requirebin sketch

index.js

var line = require('test-linestring')
var domify = require('domify')
var d3 = require('d3')
var buffer = require('turf-buffer')

var lineBuffer = buffer(line, .5, 'miles')

d3.select('body')
  .append('div')
  .text(JSON.stringify(lineBuffer))
  
  

minified.js

require=function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);throw new Error("Cannot find module '"+o+"'")}var f=n[o]={exports:{}};t[o][0].call(f.exports,function(e){var n=t[o][1][e];return s(n?n:e)},f,f.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}({WaPoav:[function(require,module,exports){module.exports={type:"Feature",properties:{},geometry:{type:"LineString",coordinates:[[-87.66677856445312,41.88387623204765],[-87.66403198242188,41.88285380945687],[-87.64566421508789,41.883492825493335],[-87.64600753784178,41.88656001350779],[-87.64789581298828,41.88873251592881],[-87.6518440246582,41.89167166631636],[-87.65304565429688,41.89218280910094],[-87.65527725219727,41.89218280910094],[-87.65527725219727,41.89294951560849],[-87.6547622680664,41.89358843066795],[-87.65201568603516,41.893460648167355],[-87.6485824584961,41.89282173182968],[-87.6430892944336,41.89243837895936],[-87.64171600341797,41.89243837895936],[-87.637939453125,41.8875823767912],[-87.63776779174805,41.885793230308465],[-87.63467788696289,41.88719899247721],[-87.62866973876953,41.88745458227552],[-87.62557983398438,41.88860472371386]]}}},{}],"test-linestring":[function(require,module,exports){module.exports=require("WaPoav")},{}]},{},[]);require=function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);throw new Error("Cannot find module '"+o+"'")}var f=n[o]={exports:{}};t[o][0].call(f.exports,function(e){var n=t[o][1][e];return s(n?n:e)},f,f.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}({U9PPdS:[function(require,module,exports){var featurecollection=require("turf-featurecollection");var polygon=require("turf-polygon");var combine=require("turf-combine");var jsts=require("jsts");module.exports=function(feature,radius,units,done){var buffered;done=done||function(){};switch(units){case"miles":radius=radius/69.047;break;case"kilometers":radius=radius/111.12;break;case"degrees":break}if(feature.type==="FeatureCollection"){var multi=combine(feature);multi.properties={};buffered=bufferOp(multi,radius);done(null,buffered);return buffered}else{buffered=bufferOp(feature,radius);done(null,buffered);return buffered}};var bufferOp=function(feature,radius){var reader=new jsts.io.GeoJSONReader;var geom=reader.read(JSON.stringify(feature.geometry));var buffered=geom.buffer(radius);var parser=new jsts.io.GeoJSONParser;buffered=parser.write(buffered);if(buffered.type==="MultiPolygon"){buffered={type:"Feature",geometry:buffered,properties:{}};buffered=featurecollection([buffered])}else{buffered=featurecollection([polygon(buffered.coordinates)])}return buffered}},{jsts:3,"turf-combine":6,"turf-featurecollection":7,"turf-polygon":8}],"turf-buffer":[function(require,module,exports){module.exports=require("U9PPdS")},{}],3:[function(require,module,exports){(function(global){"use strict";global.javascript={};global.javascript.util=require("javascript.util");var jsts=require("./lib/jsts");module.exports=jsts}).call(this,typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{"./lib/jsts":4,"javascript.util":5}],4:[function(require,module,exports){jsts={version:"0.13.4",algorithm:{distance:{},locate:{}},error:{},geom:{util:{}},geomgraph:{index:{}},index:{bintree:{},chain:{},kdtree:{},quadtree:{},strtree:{}},io:{},noding:{snapround:{}},operation:{buffer:{},distance:{},overlay:{snap:{}},polygonize:{},relate:{},union:{},valid:{}},planargraph:{},simplify:{},triangulate:{quadedge:{}},util:{}};if(typeof String.prototype.trim!=="function"){String.prototype.trim=function(){return this.replace(/^\s+|\s+$/g,"")}}jsts.abstractFunc=function(){throw new jsts.error.AbstractMethodInvocationError};jsts.error={};jsts.error.IllegalArgumentError=function(message){this.name="IllegalArgumentError";this.message=message};jsts.error.IllegalArgumentError.prototype=new Error;jsts.error.TopologyError=function(message,pt){this.name="TopologyError";this.message=pt?message+" [ "+pt+" ]":message};jsts.error.TopologyError.prototype=new Error;jsts.error.AbstractMethodInvocationError=function(){this.name="AbstractMethodInvocationError";this.message="Abstract method called, should be implemented in subclass."};jsts.error.AbstractMethodInvocationError.prototype=new Error;jsts.error.NotImplementedError=function(){this.name="NotImplementedError";this.message="This method has not yet been implemented."};jsts.error.NotImplementedError.prototype=new Error;jsts.error.NotRepresentableError=function(message){this.name="NotRepresentableError";this.message=message};jsts.error.NotRepresentableError.prototype=new Error;jsts.error.LocateFailureError=function(message){this.name="LocateFailureError";this.message=message};jsts.error.LocateFailureError.prototype=new Error;if(typeof module!=="undefined")module.exports=jsts;jsts.geom.GeometryFilter=function(){};jsts.geom.GeometryFilter.prototype.filter=function(geom){throw new jsts.error.AbstractMethodInvocationError};jsts.geom.util.PolygonExtracter=function(comps){this.comps=comps};jsts.geom.util.PolygonExtracter.prototype=new jsts.geom.GeometryFilter;jsts.geom.util.PolygonExtracter.prototype.comps=null;jsts.geom.util.PolygonExtracter.getPolygons=function(geom,list){if(list===undefined){list=[]}if(geom instanceof jsts.geom.Polygon){list.push(geom)}else if(geom instanceof jsts.geom.GeometryCollection){geom.apply(new jsts.geom.util.PolygonExtracter(list))}return list};jsts.geom.util.PolygonExtracter.prototype.filter=function(geom){if(geom instanceof jsts.geom.Polygon)this.comps.push(geom)};jsts.io.WKTParser=function(geometryFactory){this.geometryFactory=geometryFactory||new jsts.geom.GeometryFactory;this.regExes={typeStr:/^\s*(\w+)\s*\(\s*(.*)\s*\)\s*$/,emptyTypeStr:/^\s*(\w+)\s*EMPTY\s*$/,spaces:/\s+/,parenComma:/\)\s*,\s*\(/,doubleParenComma:/\)\s*\)\s*,\s*\(\s*\(/,trimParens:/^\s*\(?(.*?)\)?\s*$/}};jsts.io.WKTParser.prototype.read=function(wkt){var geometry,type,str;wkt=wkt.replace(/[\n\r]/g," ");var matches=this.regExes.typeStr.exec(wkt);if(wkt.search("EMPTY")!==-1){matches=this.regExes.emptyTypeStr.exec(wkt);matches[2]=undefined}if(matches){type=matches[1].toLowerCase();str=matches[2];if(this.parse[type]){geometry=this.parse[type].apply(this,[str])}}if(geometry===undefined)throw new Error("Could not parse WKT "+wkt);return geometry};jsts.io.WKTParser.prototype.write=function(geometry){return this.extractGeometry(geometry)};jsts.io.WKTParser.prototype.extractGeometry=function(geometry){var type=geometry.CLASS_NAME.split(".")[2].toLowerCase();if(!this.extract[type]){return null}var wktType=type.toUpperCase();var data;if(geometry.isEmpty()){data=wktType+" EMPTY"}else{data=wktType+"("+this.extract[type].apply(this,[geometry])+")"}return data};jsts.io.WKTParser.prototype.extract={coordinate:function(coordinate){return coordinate.x+" "+coordinate.y},point:function(point){return point.coordinate.x+" "+point.coordinate.y},multipoint:function(multipoint){var array=[];for(var i=0,len=multipoint.geometries.length;i<len;++i){array.push("("+this.extract.point.apply(this,[multipoint.geometries[i]])+")")}return array.join(",")},linestring:function(linestring){var array=[];for(var i=0,len=linestring.points.length;i<len;++i){array.push(this.extract.coordinate.apply(this,[linestring.points[i]]))}return array.join(",")},multilinestring:function(multilinestring){var array=[];for(var i=0,len=multilinestring.geometries.length;i<len;++i){array.push("("+this.extract.linestring.apply(this,[multilinestring.geometries[i]])+")")}return array.join(",")},polygon:function(polygon){var array=[];array.push("("+this.extract.linestring.apply(this,[polygon.shell])+")");for(var i=0,len=polygon.holes.length;i<len;++i){array.push("("+this.extract.linestring.apply(this,[polygon.holes[i]])+")")}return array.join(",")},multipolygon:function(multipolygon){var array=[];for(var i=0,len=multipolygon.geometries.length;i<len;++i){array.push("("+this.extract.polygon.apply(this,[multipolygon.geometries[i]])+")")}return array.join(",")},geometrycollection:function(collection){var array=[];for(var i=0,len=collection.geometries.length;i<len;++i){array.push(this.extractGeometry.apply(this,[collection.geometries[i]]))}return array.join(",")}};jsts.io.WKTParser.prototype.parse={point:function(str){if(str===undefined){return this.geometryFactory.createPoint(null)}var coords=str.trim().split(this.regExes.spaces);return this.geometryFactory.createPoint(new jsts.geom.Coordinate(coords[0],coords[1]))},multipoint:function(str){if(str===undefined){return this.geometryFactory.createMultiPoint(null)}var point;var points=str.trim().split(",");var components=[];for(var i=0,len=points.length;i<len;++i){point=points[i].replace(this.regExes.trimParens,"$1");components.push(this.parse.point.apply(this,[point]))}return this.geometryFactory.createMultiPoint(components)},linestring:function(str){if(str===undefined){return this.geometryFactory.createLineString(null)}var points=str.trim().split(",");var components=[];var coords;for(var i=0,len=points.length;i<len;++i){coords=points[i].trim().split(this.regExes.spaces);components.push(new jsts.geom.Coordinate(coords[0],coords[1]))}return this.geometryFactory.createLineString(components)},linearring:function(str){if(str===undefined){return this.geometryFactory.createLinearRing(null)}var points=str.trim().split(",");var components=[];var coords;for(var i=0,len=points.length;i<len;++i){coords=points[i].trim().split(this.regExes.spaces);components.push(new jsts.geom.Coordinate(coords[0],coords[1]))}return this.geometryFactory.createLinearRing(components)},multilinestring:function(str){if(str===undefined){return this.geometryFactory.createMultiLineString(null)}var line;var lines=str.trim().split(this.regExes.parenComma);var components=[];for(var i=0,len=lines.length;i<len;++i){line=lines[i].replace(this.regExes.trimParens,"$1");components.push(this.parse.linestring.apply(this,[line]))}return this.geometryFactory.createMultiLineString(components)},polygon:function(str){if(str===undefined){return this.geometryFactory.createPolygon(null)}var ring,linestring,linearring;var rings=str.trim().split(this.regExes.parenComma);var shell;var holes=[];for(var i=0,len=rings.length;i<len;++i){ring=rings[i].replace(this.regExes.trimParens,"$1");linestring=this.parse.linestring.apply(this,[ring]);linearring=this.geometryFactory.createLinearRing(linestring.points);if(i===0){shell=linearring}else{holes.push(linearring)}}return this.geometryFactory.createPolygon(shell,holes)},multipolygon:function(str){if(str===undefined){return this.geometryFactory.createMultiPolygon(null)}var polygon;var polygons=str.trim().split(this.regExes.doubleParenComma);var components=[];for(var i=0,len=polygons.length;i<len;++i){polygon=polygons[i].replace(this.regExes.trimParens,"$1");components.push(this.parse.polygon.apply(this,[polygon]))}return this.geometryFactory.createMultiPolygon(components)},geometrycollection:function(str){if(str===undefined){return this.geometryFactory.createGeometryCollection(null)}str=str.replace(/,\s*([A-Za-z])/g,"|$1");var wktArray=str.trim().split("|");var components=[];for(var i=0,len=wktArray.length;i<len;++i){components.push(jsts.io.WKTParser.prototype.read.apply(this,[wktArray[i]]))}return this.geometryFactory.createGeometryCollection(components)}};jsts.index.ItemVisitor=function(){};jsts.index.ItemVisitor.prototype.visitItem=function(){throw new jsts.error.AbstractMethodInvocationError};jsts.algorithm.CGAlgorithms=function(){};jsts.algorithm.CGAlgorithms.CLOCKWISE=-1;jsts.algorithm.CGAlgorithms.RIGHT=jsts.algorithm.CGAlgorithms.CLOCKWISE;jsts.algorithm.CGAlgorithms.COUNTERCLOCKWISE=1;jsts.algorithm.CGAlgorithms.LEFT=jsts.algorithm.CGAlgorithms.COUNTERCLOCKWISE;jsts.algorithm.CGAlgorithms.COLLINEAR=0;jsts.algorithm.CGAlgorithms.STRAIGHT=jsts.algorithm.CGAlgorithms.COLLINEAR;jsts.algorithm.CGAlgorithms.orientationIndex=function(p1,p2,q){var dx1,dy1,dx2,dy2;dx1=p2.x-p1.x;dy1=p2.y-p1.y;dx2=q.x-p2.x;dy2=q.y-p2.y;return jsts.algorithm.RobustDeterminant.signOfDet2x2(dx1,dy1,dx2,dy2)};jsts.algorithm.CGAlgorithms.isPointInRing=function(p,ring){return jsts.algorithm.CGAlgorithms.locatePointInRing(p,ring)!==jsts.geom.Location.EXTERIOR};jsts.algorithm.CGAlgorithms.locatePointInRing=function(p,ring){return jsts.algorithm.RayCrossingCounter.locatePointInRing(p,ring)};jsts.algorithm.CGAlgorithms.isOnLine=function(p,pt){var lineIntersector,i,il,p0,p1;lineIntersector=new jsts.algorithm.RobustLineIntersector;for(i=1,il=pt.length;i<il;i++){p0=pt[i-1];p1=pt[i];lineIntersector.computeIntersection(p,p0,p1);if(lineIntersector.hasIntersection()){return true}}return false};jsts.algorithm.CGAlgorithms.isCCW=function(ring){var nPts,hiPt,hiIndex,p,iPrev,iNext,prev,next,i,disc,isCCW;nPts=ring.length-1;if(nPts<3){throw new jsts.IllegalArgumentError("Ring has fewer than 3 points, so orientation cannot be determined")}hiPt=ring[0];hiIndex=0;i=1;for(i;i<=nPts;i++){p=ring[i];if(p.y>hiPt.y){hiPt=p;hiIndex=i}}iPrev=hiIndex;do{iPrev=iPrev-1;if(iPrev<0){iPrev=nPts}}while(ring[iPrev].equals2D(hiPt)&&iPrev!==hiIndex);iNext=hiIndex;do{iNext=(iNext+1)%nPts}while(ring[iNext].equals2D(hiPt)&&iNext!==hiIndex);prev=ring[iPrev];next=ring[iNext];if(prev.equals2D(hiPt)||next.equals2D(hiPt)||prev.equals2D(next)){return false}disc=jsts.algorithm.CGAlgorithms.computeOrientation(prev,hiPt,next);isCCW=false;if(disc===0){isCCW=prev.x>next.x}else{isCCW=disc>0}return isCCW};jsts.algorithm.CGAlgorithms.computeOrientation=function(p1,p2,q){return jsts.algorithm.CGAlgorithms.orientationIndex(p1,p2,q)};jsts.algorithm.CGAlgorithms.distancePointLine=function(p,A,B){if(!(A instanceof jsts.geom.Coordinate)){jsts.algorithm.CGAlgorithms.distancePointLine2.apply(this,arguments)}if(A.x===B.x&&A.y===B.y){return p.distance(A)}var r,s;r=((p.x-A.x)*(B.x-A.x)+(p.y-A.y)*(B.y-A.y))/((B.x-A.x)*(B.x-A.x)+(B.y-A.y)*(B.y-A.y));if(r<=0){return p.distance(A)}if(r>=1){return p.distance(B)}s=((A.y-p.y)*(B.x-A.x)-(A.x-p.x)*(B.y-A.y))/((B.x-A.x)*(B.x-A.x)+(B.y-A.y)*(B.y-A.y));return Math.abs(s)*Math.sqrt((B.x-A.x)*(B.x-A.x)+(B.y-A.y)*(B.y-A.y))};jsts.algorithm.CGAlgorithms.distancePointLinePerpendicular=function(p,A,B){var s=((A.y-p.y)*(B.x-A.x)-(A.x-p.x)*(B.y-A.y))/((B.x-A.x)*(B.x-A.x)+(B.y-A.y)*(B.y-A.y));return Math.abs(s)*Math.sqrt((B.x-A.x)*(B.x-A.x)+(B.y-A.y)*(B.y-A.y))};jsts.algorithm.CGAlgorithms.distancePointLine2=function(p,line){var minDistance,i,il,dist;if(line.length===0){throw new jsts.error.IllegalArgumentError("Line array must contain at least one vertex")}minDistance=p.distance(line[0]);for(i=0,il=line.length-1;i<il;i++){dist=jsts.algorithm.CGAlgorithms.distancePointLine(p,line[i],line[i+1]);if(dist<minDistance){minDistance=dist}}return minDistance};jsts.algorithm.CGAlgorithms.distanceLineLine=function(A,B,C,D){if(A.equals(B)){return jsts.algorithm.CGAlgorithms.distancePointLine(A,C,D)}if(C.equals(D)){return jsts.algorithm.CGAlgorithms.distancePointLine(D,A,B)}var r_top,r_bot,s_top,s_bot,s,r;r_top=(A.y-C.y)*(D.x-C.x)-(A.x-C.x)*(D.y-C.y);r_bot=(B.x-A.x)*(D.y-C.y)-(B.y-A.y)*(D.x-C.x);s_top=(A.y-C.y)*(B.x-A.x)-(A.x-C.x)*(B.y-A.y);s_bot=(B.x-A.x)*(D.y-C.y)-(B.y-A.y)*(D.x-C.x);if(r_bot===0||s_bot===0){return Math.min(jsts.algorithm.CGAlgorithms.distancePointLine(A,C,D),Math.min(jsts.algorithm.CGAlgorithms.distancePointLine(B,C,D),Math.min(jsts.algorithm.CGAlgorithms.distancePointLine(C,A,B),jsts.algorithm.CGAlgorithms.distancePointLine(D,A,B))))}s=s_top/s_bot;r=r_top/r_bot;if(r<0||r>1||s<0||s>1){return Math.min(jsts.algorithm.CGAlgorithms.distancePointLine(A,C,D),Math.min(jsts.algorithm.CGAlgorithms.distancePointLine(B,C,D),Math.min(jsts.algorithm.CGAlgorithms.distancePointLine(C,A,B),jsts.algorithm.CGAlgorithms.distancePointLine(D,A,B))))}return 0};jsts.algorithm.CGAlgorithms.signedArea=function(ring){if(ring.length<3){return 0}var sum,i,il,bx,by,cx,cy;sum=0;for(i=0,il=ring.length-1;i<il;i++){bx=ring[i].x;by=ring[i].y;cx=ring[i+1].x;cy=ring[i+1].y;sum+=(bx+cx)*(cy-by)}return-sum/2};jsts.algorithm.CGAlgorithms.signedArea=function(ring){var n,sum,p,bx,by,i,cx,cy;n=ring.length;if(n<3){return 0}sum=0;p=ring[0];bx=p.x;by=p.y;for(i=1;i<n;i++){p=ring[i];cx=p.x;cy=p.y;sum+=(bx+cx)*(cy-by);bx=cx;by=cy}return-sum/2};jsts.algorithm.CGAlgorithms.computeLength=function(pts){var n=pts.length,len,x0,y0,x1,y1,dx,dy,p,i,il;if(n<=1){return 0}len=0;p=pts[0];x0=p.x;y0=p.y;i=1,il=n;for(i;i<n;i++){p=pts[i];x1=p.x;y1=p.y;dx=x1-x0;dy=y1-y0;len+=Math.sqrt(dx*dx+dy*dy);x0=x1;y0=y1}return len};jsts.algorithm.CGAlgorithms.length=function(){};jsts.algorithm.Angle=function(){};jsts.algorithm.Angle.PI_TIMES_2=2*Math.PI;jsts.algorithm.Angle.PI_OVER_2=Math.PI/2;jsts.algorithm.Angle.PI_OVER_4=Math.PI/4;jsts.algorithm.Angle.COUNTERCLOCKWISE=jsts.algorithm.CGAlgorithms.prototype.COUNTERCLOCKWISE;jsts.algorithm.Angle.CLOCKWISE=jsts.algorithm.CGAlgorithms.prototype.CLOCKWISE;jsts.algorithm.Angle.NONE=jsts.algorithm.CGAlgorithms.prototype.COLLINEAR;jsts.algorithm.Angle.toDegrees=function(radians){return radians*180/Math.PI};jsts.algorithm.Angle.toRadians=function(angleDegrees){return angleDegrees*Math.PI/180};jsts.algorithm.Angle.angle=function(){if(arguments.length===1){return jsts.algorithm.Angle.angleFromOrigo(arguments[0])}else{return jsts.algorithm.Angle.angleBetweenCoords(arguments[0],arguments[1])}};jsts.algorithm.Angle.angleBetweenCoords=function(p0,p1){var dx,dy;dx=p1.x-p0.x;dy=p1.y-p0.y;return Math.atan2(dy,dx)};jsts.algorithm.Angle.angleFromOrigo=function(p){return Math.atan2(p.y,p.x)};jsts.algorithm.Angle.isAcute=function(p0,p1,p2){var dx0,dy0,dx1,dy1,dotprod;dx0=p0.x-p1.x;dy0=p0.y-p1.y;dx1=p2.x-p1.x;dy1=p2.y-p1.y;dotprod=dx0*dx1+dy0*dy1;return dotprod>0};jsts.algorithm.Angle.isObtuse=function(p0,p1,p2){var dx0,dy0,dx1,dy1,dotprod;dx0=p0.x-p1.x;dy0=p0.y-p1.y;dx1=p2.x-p1.x;dy1=p2.y-p1.y;dotprod=dx0*dx1+dy0*dy1;return dotprod<0};jsts.algorithm.Angle.angleBetween=function(tip1,tail,tip2){var a1,a2;a1=jsts.algorithm.Angle.angle(tail,tip1);a2=jsts.algorithm.Angle.angle(tail,tip2);return jsts.algorithm.Angle.diff(a1,a2)};jsts.algorithm.Angle.angleBetweenOriented=function(tip1,tail,tip2){var a1,a2,angDel;a1=jsts.algorithm.Angle.angle(tail,tip1);a2=jsts.algorithm.Angle.angle(tail,tip2);angDel=a2-a1;if(angDel<=-Math.PI){return angDel+jsts.algorithm.Angle.PI_TIMES_2}if(angDel>Math.PI){return angDel-jsts.algorithm.Angle.PI_TIMES_2}return angDel};jsts.algorithm.Angle.interiorAngle=function(p0,p1,p2){var anglePrev,angleNext;anglePrev=jsts.algorithm.Angle.angle(p1,p0);angleNext=jsts.algorithm.Angle.angle(p1,p2);return Math.abs(angleNext-anglePrev)};jsts.algorithm.Angle.getTurn=function(ang1,ang2){var crossproduct=Math.sin(ang2-ang1);if(crossproduct>0){return jsts.algorithm.Angle.COUNTERCLOCKWISE}if(crossproduct<0){return jsts.algorithm.Angle.CLOCKWISE}return jsts.algorithm.Angle.NONE};jsts.algorithm.Angle.normalize=function(angle){while(angle>Math.PI){angle-=jsts.algorithm.Angle.PI_TIMES_2}while(angle<=-Math.PI){angle+=jsts.algorithm.Angle.PI_TIMES_2}return angle};jsts.algorithm.Angle.normalizePositive=function(angle){if(angle<0){while(angle<0){angle+=jsts.algorithm.Angle.PI_TIMES_2}if(angle>=jsts.algorithm.Angle.PI_TIMES_2){angle=0}}else{while(angle>=jsts.algorithm.Angle.PI_TIMES_2){angle-=jsts.algorithm.Angle.PI_TIMES_2}if(angle<0){angle=0}}return angle};jsts.algorithm.Angle.diff=function(ang1,ang2){var delAngle;if(ang1<ang2){delAngle=ang2-ang1}else{delAngle=ang1-ang2}if(delAngle>Math.PI){delAngle=2*Math.PI-delAngle}return delAngle};jsts.geom.GeometryComponentFilter=function(){};jsts.geom.GeometryComponentFilter.prototype.filter=function(geom){throw new jsts.error.AbstractMethodInvocationError};jsts.geom.util.LinearComponentExtracter=function(lines,isForcedToLineString){this.lines=lines;this.isForcedToLineString=isForcedToLineString};jsts.geom.util.LinearComponentExtracter.prototype=new jsts.geom.GeometryComponentFilter;jsts.geom.util.LinearComponentExtracter.prototype.lines=null;jsts.geom.util.LinearComponentExtracter.prototype.isForcedToLineString=false;jsts.geom.util.LinearComponentExtracter.getLines=function(geoms,lines){if(arguments.length==1){return jsts.geom.util.LinearComponentExtracter.getLines5.apply(this,arguments)}else if(arguments.length==2&&typeof lines==="boolean"){return jsts.geom.util.LinearComponentExtracter.getLines6.apply(this,arguments)}else if(arguments.length==2&&geoms instanceof jsts.geom.Geometry){return jsts.geom.util.LinearComponentExtracter.getLines3.apply(this,arguments)}else if(arguments.length==3&&geoms instanceof jsts.geom.Geometry){return jsts.geom.util.LinearComponentExtracter.getLines4.apply(this,arguments)}else if(arguments.length==3){return jsts.geom.util.LinearComponentExtracter.getLines2.apply(this,arguments)}for(var i=0;i<geoms.length;i++){var g=geoms[i];jsts.geom.util.LinearComponentExtracter.getLines3(g,lines)}return lines};jsts.geom.util.LinearComponentExtracter.getLines2=function(geoms,lines,forceToLineString){for(var i=0;i<geoms.length;i++){var g=geoms[i];jsts.geom.util.LinearComponentExtracter.getLines4(g,lines,forceToLineString)}return lines};jsts.geom.util.LinearComponentExtracter.getLines3=function(geom,lines){if(geom instanceof LineString){lines.add(geom)}else{geom.apply(new jsts.geom.util.LinearComponentExtracter(lines))}return lines};jsts.geom.util.LinearComponentExtracter.getLines4=function(geom,lines,forceToLineString){geom.apply(new jsts.geom.util.LinearComponentExtracter(lines,forceToLineString));return lines};jsts.geom.util.LinearComponentExtracter.getLines5=function(geom){return jsts.geom.util.LinearComponentExtracter.getLines6(geom,false)};jsts.geom.util.LinearComponentExtracter.getLines6=function(geom,forceToLineString){var lines=[];geom.apply(new jsts.geom.util.LinearComponentExtracter(lines,forceToLineString));return lines};jsts.geom.util.LinearComponentExtracter.prototype.setForceToLineString=function(isForcedToLineString){this.isForcedToLineString=isForcedToLineString};jsts.geom.util.LinearComponentExtracter.prototype.filter=function(geom){if(this.isForcedToLineString&&geom instanceof jsts.geom.LinearRing){var line=geom.getFactory().createLineString(geom.getCoordinateSequence());this.lines.push(line);return}if(geom instanceof jsts.geom.LineString||geom instanceof jsts.geom.LinearRing)this.lines.push(geom)};jsts.geom.Location=function(){};jsts.geom.Location.INTERIOR=0;jsts.geom.Location.BOUNDARY=1;jsts.geom.Location.EXTERIOR=2;jsts.geom.Location.NONE=-1;jsts.geom.Location.toLocationSymbol=function(locationValue){switch(locationValue){case jsts.geom.Location.EXTERIOR:return"e";case jsts.geom.Location.BOUNDARY:return"b";case jsts.geom.Location.INTERIOR:return"i";case jsts.geom.Location.NONE:return"-"}throw new jsts.IllegalArgumentError("Unknown location value: "+locationValue)};(function(){jsts.io.GeoJSONReader=function(geometryFactory){this.geometryFactory=geometryFactory||new jsts.geom.GeometryFactory;this.precisionModel=this.geometryFactory.getPrecisionModel();this.parser=new jsts.io.GeoJSONParser(this.geometryFactory)};jsts.io.GeoJSONReader.prototype.read=function(geoJson){var geometry=this.parser.read(geoJson);if(this.precisionModel.getType()===jsts.geom.PrecisionModel.FIXED){this.reducePrecision(geometry)}return geometry};jsts.io.GeoJSONReader.prototype.reducePrecision=function(geometry){var i,len;if(geometry.coordinate){this.precisionModel.makePrecise(geometry.coordinate)}else if(geometry.points){for(i=0,len=geometry.points.length;i<len;i++){this.precisionModel.makePrecise(geometry.points[i])}}else if(geometry.geometries){for(i=0,len=geometry.geometries.length;i<len;i++){this.reducePrecision(geometry.geometries[i])}}}})();jsts.geom.Geometry=function(factory){this.factory=factory};jsts.geom.Geometry.prototype.envelope=null;jsts.geom.Geometry.prototype.factory=null;jsts.geom.Geometry.prototype.getGeometryType=function(){return"Geometry"};jsts.geom.Geometry.hasNonEmptyElements=function(geometries){var i;for(i=0;i<geometries.length;i++){if(!geometries[i].isEmpty()){return true}}return false};jsts.geom.Geometry.hasNullElements=function(array){var i;for(i=0;i<array.length;i++){if(array[i]===null){return true}}return false};jsts.geom.Geometry.prototype.getFactory=function(){if(this.factory===null||this.factory===undefined){this.factory=new jsts.geom.GeometryFactory}return this.factory};jsts.geom.Geometry.prototype.getNumGeometries=function(){return 1};jsts.geom.Geometry.prototype.getGeometryN=function(n){return this};jsts.geom.Geometry.prototype.getPrecisionModel=function(){return this.getFactory().getPrecisionModel()};jsts.geom.Geometry.prototype.getCoordinate=function(){throw new jsts.error.AbstractMethodInvocationError};jsts.geom.Geometry.prototype.getCoordinates=function(){throw new jsts.error.AbstractMethodInvocationError};jsts.geom.Geometry.prototype.getNumPoints=function(){throw new jsts.error.AbstractMethodInvocationError};jsts.geom.Geometry.prototype.isSimple=function(){this.checkNotGeometryCollection(this);var op=new jsts.operation.IsSimpleOp(this);return op.isSimple()};jsts.geom.Geometry.prototype.isValid=function(){var isValidOp=new jsts.operation.valid.IsValidOp(this);return isValidOp.isValid()};jsts.geom.Geometry.prototype.isEmpty=function(){throw new jsts.error.AbstractMethodInvocationError};jsts.geom.Geometry.prototype.distance=function(g){return jsts.operation.distance.DistanceOp.distance(this,g)};jsts.geom.Geometry.prototype.isWithinDistance=function(geom,distance){var envDist=this.getEnvelopeInternal().distance(geom.getEnvelopeInternal());if(envDist>distance){return false}return DistanceOp.isWithinDistance(this,geom,distance)};jsts.geom.Geometry.prototype.isRectangle=function(){return false};jsts.geom.Geometry.prototype.getArea=function(){return 0};jsts.geom.Geometry.prototype.getLength=function(){return 0};jsts.geom.Geometry.prototype.getCentroid=function(){if(this.isEmpty()){return null}var cent;var centPt=null;var dim=this.getDimension();if(dim===0){cent=new jsts.algorithm.CentroidPoint;cent.add(this);centPt=cent.getCentroid()}else if(dim===1){cent=new jsts.algorithm.CentroidLine;cent.add(this);centPt=cent.getCentroid()}else{cent=new jsts.algorithm.CentroidArea;cent.add(this);centPt=cent.getCentroid()}return this.createPointFromInternalCoord(centPt,this)};jsts.geom.Geometry.prototype.getInteriorPoint=function(){var intPt;var interiorPt=null;var dim=this.getDimension();if(dim===0){intPt=new jsts.algorithm.InteriorPointPoint(this);interiorPt=intPt.getInteriorPoint()}else if(dim===1){intPt=new jsts.algorithm.InteriorPointLine(this);interiorPt=intPt.getInteriorPoint()}else{intPt=new jsts.algorithm.InteriorPointArea(this);interiorPt=intPt.getInteriorPoint()}return this.createPointFromInternalCoord(interiorPt,this)};jsts.geom.Geometry.prototype.getDimension=function(){throw new jsts.error.AbstractMethodInvocationError};jsts.geom.Geometry.prototype.getBoundary=function(){throw new jsts.error.AbstractMethodInvocationError};jsts.geom.Geometry.prototype.getBoundaryDimension=function(){throw new jsts.error.AbstractMethodInvocationError};jsts.geom.Geometry.prototype.getEnvelope=function(){return this.getFactory().toGeometry(this.getEnvelopeInternal())};jsts.geom.Geometry.prototype.getEnvelopeInternal=function(){if(this.envelope===null){this.envelope=this.computeEnvelopeInternal()}return this.envelope};jsts.geom.Geometry.prototype.disjoint=function(g){return!this.intersects(g)};jsts.geom.Geometry.prototype.touches=function(g){if(!this.getEnvelopeInternal().intersects(g.getEnvelopeInternal())){return false}return this.relate(g).isTouches(this.getDimension(),g.getDimension())};jsts.geom.Geometry.prototype.intersects=function(g){if(!this.getEnvelopeInternal().intersects(g.getEnvelopeInternal())){return false}if(this.isRectangle()){return RectangleIntersects.intersects(this,g)}if(g.isRectangle()){return RectangleIntersects.intersects(g,this)}return this.relate(g).isIntersects()};jsts.geom.Geometry.prototype.crosses=function(g){if(!this.getEnvelopeInternal().intersects(g.getEnvelopeInternal())){return false}return this.relate(g).isCrosses(this.getDimension(),g.getDimension())};jsts.geom.Geometry.prototype.within=function(g){return g.contains(this)};jsts.geom.Geometry.prototype.contains=function(g){if(!this.getEnvelopeInternal().contains(g.getEnvelopeInternal())){return false}if(this.isRectangle()){return RectangleContains.contains(this,g)}return this.relate(g).isContains()};jsts.geom.Geometry.prototype.overlaps=function(g){if(!this.getEnvelopeInternal().intersects(g.getEnvelopeInternal())){return false}return this.relate(g).isOverlaps(this.getDimension(),g.getDimension())};jsts.geom.Geometry.prototype.covers=function(g){if(!this.getEnvelopeInternal().covers(g.getEnvelopeInternal())){return false}if(this.isRectangle()){return true}return this.relate(g).isCovers()};jsts.geom.Geometry.prototype.coveredBy=function(g){return g.covers(this)};jsts.geom.Geometry.prototype.relate=function(g,intersectionPattern){if(arguments.length===1){return this.relate2.apply(this,arguments)}return this.relate2(g).matches(intersectionPattern)};jsts.geom.Geometry.prototype.relate2=function(g){this.checkNotGeometryCollection(this);this.checkNotGeometryCollection(g);return jsts.operation.relate.RelateOp.relate(this,g)};jsts.geom.Geometry.prototype.equalsTopo=function(g){if(!this.getEnvelopeInternal().equals(g.getEnvelopeInternal())){return false}return this.relate(g).isEquals(this.getDimension(),g.getDimension())};jsts.geom.Geometry.prototype.equals=function(o){if(o instanceof jsts.geom.Geometry||o instanceof jsts.geom.LinearRing||o instanceof jsts.geom.Polygon||o instanceof jsts.geom.GeometryCollection||o instanceof jsts.geom.MultiPoint||o instanceof jsts.geom.MultiLineString||o instanceof jsts.geom.MultiPolygon){return this.equalsExact(o)}return false};jsts.geom.Geometry.prototype.buffer=function(distance,quadrantSegments,endCapStyle){var params=new jsts.operation.buffer.BufferParameters(quadrantSegments,endCapStyle);return jsts.operation.buffer.BufferOp.bufferOp2(this,distance,params)};jsts.geom.Geometry.prototype.convexHull=function(){return new jsts.algorithm.ConvexHull(this).getConvexHull()};jsts.geom.Geometry.prototype.intersection=function(other){if(this.isEmpty()){return this.getFactory().createGeometryCollection(null)}if(other.isEmpty()){return this.getFactory().createGeometryCollection(null)}if(this.isGeometryCollection(this)){var g2=other}this.checkNotGeometryCollection(this);this.checkNotGeometryCollection(other);return jsts.operation.overlay.snap.SnapIfNeededOverlayOp.overlayOp(this,other,jsts.operation.overlay.OverlayOp.INTERSECTION)};jsts.geom.Geometry.prototype.union=function(other){if(arguments.length===0){return jsts.operation.union.UnaryUnionOp.union(this)}if(this.isEmpty()){return other.clone()}if(other.isEmpty()){return this.clone()}this.checkNotGeometryCollection(this);this.checkNotGeometryCollection(other);return jsts.operation.overlay.snap.SnapIfNeededOverlayOp.overlayOp(this,other,jsts.operation.overlay.OverlayOp.UNION)};jsts.geom.Geometry.prototype.difference=function(other){if(this.isEmpty()){return this.getFactory().createGeometryCollection(null)}if(other.isEmpty()){return this.clone()}this.checkNotGeometryCollection(this);this.checkNotGeometryCollection(other);return jsts.operation.overlay.snap.SnapIfNeededOverlayOp.overlayOp(this,other,jsts.operation.overlay.OverlayOp.DIFFERENCE)};jsts.geom.Geometry.prototype.symDifference=function(other){if(this.isEmpty()){return other.clone()}if(other.isEmpty()){return this.clone()}this.checkNotGeometryCollection(this);this.checkNotGeometryCollection(other);return jsts.operation.overlay.snap.SnapIfNeededOverlayOp.overlayOp(this,other,jsts.operation.overlay.OverlayOp.SYMDIFFERENCE)};jsts.geom.Geometry.prototype.equalsExact=function(other,tolerance){throw new jsts.error.AbstractMethodInvocationError};jsts.geom.Geometry.prototype.equalsNorm=function(g){if(g===null||g===undefined)return false;
return this.norm().equalsExact(g.norm())};jsts.geom.Geometry.prototype.apply=function(filter){throw new jsts.error.AbstractMethodInvocationError};jsts.geom.Geometry.prototype.clone=function(){throw new jsts.error.AbstractMethodInvocationError};jsts.geom.Geometry.prototype.normalize=function(){throw new jsts.error.AbstractMethodInvocationError};jsts.geom.Geometry.prototype.norm=function(){var copy=this.clone();copy.normalize();return copy};jsts.geom.Geometry.prototype.compareTo=function(o){var other=o;if(this.getClassSortIndex()!==other.getClassSortIndex()){return this.getClassSortIndex()-other.getClassSortIndex()}if(this.isEmpty()&&other.isEmpty()){return 0}if(this.isEmpty()){return-1}if(other.isEmpty()){return 1}return this.compareToSameClass(o)};jsts.geom.Geometry.prototype.isEquivalentClass=function(other){if(this instanceof jsts.geom.Point&&other instanceof jsts.geom.Point){return true}else if(this instanceof jsts.geom.LineString&&other instanceof jsts.geom.LineString|other instanceof jsts.geom.LinearRing){return true}else if(this instanceof jsts.geom.LinearRing&&other instanceof jsts.geom.LineString|other instanceof jsts.geom.LinearRing){return true}else if(this instanceof jsts.geom.Polygon&&other instanceof jsts.geom.Polygon){return true}else if(this instanceof jsts.geom.MultiPoint&&other instanceof jsts.geom.MultiPoint){return true}else if(this instanceof jsts.geom.MultiLineString&&other instanceof jsts.geom.MultiLineString){return true}else if(this instanceof jsts.geom.MultiPolygon&&other instanceof jsts.geom.MultiPolygon){return true}else if(this instanceof jsts.geom.GeometryCollection&&other instanceof jsts.geom.GeometryCollection){return true}return false};jsts.geom.Geometry.prototype.checkNotGeometryCollection=function(g){if(g.isGeometryCollectionBase()){throw new jsts.error.IllegalArgumentError("This method does not support GeometryCollection")}};jsts.geom.Geometry.prototype.isGeometryCollection=function(){return this instanceof jsts.geom.GeometryCollection};jsts.geom.Geometry.prototype.isGeometryCollectionBase=function(){return this.CLASS_NAME==="jsts.geom.GeometryCollection"};jsts.geom.Geometry.prototype.computeEnvelopeInternal=function(){throw new jsts.error.AbstractMethodInvocationError};jsts.geom.Geometry.prototype.compareToSameClass=function(o){throw new jsts.error.AbstractMethodInvocationError};jsts.geom.Geometry.prototype.compare=function(a,b){var i=a.iterator();var j=b.iterator();while(i.hasNext()&&j.hasNext()){var aElement=i.next();var bElement=j.next();var comparison=aElement.compareTo(bElement);if(comparison!==0){return comparison}}if(i.hasNext()){return 1}if(j.hasNext()){return-1}return 0};jsts.geom.Geometry.prototype.equal=function(a,b,tolerance){if(tolerance===undefined||tolerance===null||tolerance===0){return a.equals(b)}return a.distance(b)<=tolerance};jsts.geom.Geometry.prototype.getClassSortIndex=function(){var sortedClasses=[jsts.geom.Point,jsts.geom.MultiPoint,jsts.geom.LineString,jsts.geom.LinearRing,jsts.geom.MultiLineString,jsts.geom.Polygon,jsts.geom.MultiPolygon,jsts.geom.GeometryCollection];for(var i=0;i<sortedClasses.length;i++){if(this instanceof sortedClasses[i])return i}jsts.util.Assert.shouldNeverReachHere("Class not supported: "+this);return-1};jsts.geom.Geometry.prototype.toString=function(){return(new jsts.io.WKTWriter).write(this)};jsts.geom.Geometry.prototype.createPointFromInternalCoord=function(coord,exemplar){exemplar.getPrecisionModel().makePrecise(coord);return exemplar.getFactory().createPoint(coord)};(function(){jsts.geom.Coordinate=function(x,y){if(typeof x==="number"){this.x=x;this.y=y}else if(x instanceof jsts.geom.Coordinate){this.x=parseFloat(x.x);this.y=parseFloat(x.y)}else if(x===undefined||x===null){this.x=0;this.y=0}else if(typeof x==="string"){this.x=parseFloat(x);this.y=parseFloat(y)}};jsts.geom.Coordinate.prototype.setCoordinate=function(other){this.x=other.x;this.y=other.y};jsts.geom.Coordinate.prototype.clone=function(){return new jsts.geom.Coordinate(this.x,this.y)};jsts.geom.Coordinate.prototype.distance=function(p){var dx=this.x-p.x;var dy=this.y-p.y;return Math.sqrt(dx*dx+dy*dy)};jsts.geom.Coordinate.prototype.equals2D=function(other){if(this.x!==other.x){return false}if(this.y!==other.y){return false}return true};jsts.geom.Coordinate.prototype.equals=function(other){if(!other instanceof jsts.geom.Coordinate||other===undefined){return false}return this.equals2D(other)};jsts.geom.Coordinate.prototype.compareTo=function(other){if(this.x<other.x){return-1}if(this.x>other.x){return 1}if(this.y<other.y){return-1}if(this.y>other.y){return 1}return 0};jsts.geom.Coordinate.prototype.toString=function(){return"("+this.x+", "+this.y+")"}})();jsts.geom.Envelope=function(){jsts.geom.Envelope.prototype.init.apply(this,arguments)};jsts.geom.Envelope.prototype.minx=null;jsts.geom.Envelope.prototype.maxx=null;jsts.geom.Envelope.prototype.miny=null;jsts.geom.Envelope.prototype.maxy=null;jsts.geom.Envelope.prototype.init=function(){if(typeof arguments[0]==="number"&&arguments.length===4){this.initFromValues(arguments[0],arguments[1],arguments[2],arguments[3])}else if(arguments[0]instanceof jsts.geom.Coordinate&&arguments.length===1){this.initFromCoordinate(arguments[0])}else if(arguments[0]instanceof jsts.geom.Coordinate&&arguments.length===2){this.initFromCoordinates(arguments[0],arguments[1])}else if(arguments[0]instanceof jsts.geom.Envelope&&arguments.length===1){this.initFromEnvelope(arguments[0])}else{this.setToNull()}};jsts.geom.Envelope.prototype.initFromValues=function(x1,x2,y1,y2){if(x1<x2){this.minx=x1;this.maxx=x2}else{this.minx=x2;this.maxx=x1}if(y1<y2){this.miny=y1;this.maxy=y2}else{this.miny=y2;this.maxy=y1}};jsts.geom.Envelope.prototype.initFromCoordinates=function(p1,p2){this.initFromValues(p1.x,p2.x,p1.y,p2.y)};jsts.geom.Envelope.prototype.initFromCoordinate=function(p){this.initFromValues(p.x,p.x,p.y,p.y)};jsts.geom.Envelope.prototype.initFromEnvelope=function(env){this.minx=env.minx;this.maxx=env.maxx;this.miny=env.miny;this.maxy=env.maxy};jsts.geom.Envelope.prototype.setToNull=function(){this.minx=0;this.maxx=-1;this.miny=0;this.maxy=-1};jsts.geom.Envelope.prototype.isNull=function(){return this.maxx<this.minx};jsts.geom.Envelope.prototype.getHeight=function(){if(this.isNull()){return 0}return this.maxy-this.miny};jsts.geom.Envelope.prototype.getWidth=function(){if(this.isNull()){return 0}return this.maxx-this.minx};jsts.geom.Envelope.prototype.getMinX=function(){return this.minx};jsts.geom.Envelope.prototype.getMaxX=function(){return this.maxx};jsts.geom.Envelope.prototype.getMinY=function(){return this.miny};jsts.geom.Envelope.prototype.getMaxY=function(){return this.maxy};jsts.geom.Envelope.prototype.getArea=function(){return this.getWidth()*this.getHeight()};jsts.geom.Envelope.prototype.expandToInclude=function(){if(arguments[0]instanceof jsts.geom.Coordinate){this.expandToIncludeCoordinate(arguments[0])}else if(arguments[0]instanceof jsts.geom.Envelope){this.expandToIncludeEnvelope(arguments[0])}else{this.expandToIncludeValues(arguments[0],arguments[1])}};jsts.geom.Envelope.prototype.expandToIncludeCoordinate=function(p){this.expandToIncludeValues(p.x,p.y)};jsts.geom.Envelope.prototype.expandToIncludeValues=function(x,y){if(this.isNull()){this.minx=x;this.maxx=x;this.miny=y;this.maxy=y}else{if(x<this.minx){this.minx=x}if(x>this.maxx){this.maxx=x}if(y<this.miny){this.miny=y}if(y>this.maxy){this.maxy=y}}};jsts.geom.Envelope.prototype.expandToIncludeEnvelope=function(other){if(other.isNull()){return}if(this.isNull()){this.minx=other.getMinX();this.maxx=other.getMaxX();this.miny=other.getMinY();this.maxy=other.getMaxY()}else{if(other.minx<this.minx){this.minx=other.minx}if(other.maxx>this.maxx){this.maxx=other.maxx}if(other.miny<this.miny){this.miny=other.miny}if(other.maxy>this.maxy){this.maxy=other.maxy}}};jsts.geom.Envelope.prototype.expandBy=function(){if(arguments.length===1){this.expandByDistance(arguments[0])}else{this.expandByDistances(arguments[0],arguments[1])}};jsts.geom.Envelope.prototype.expandByDistance=function(distance){this.expandByDistances(distance,distance)};jsts.geom.Envelope.prototype.expandByDistances=function(deltaX,deltaY){if(this.isNull()){return}this.minx-=deltaX;this.maxx+=deltaX;this.miny-=deltaY;this.maxy+=deltaY;if(this.minx>this.maxx||this.miny>this.maxy){this.setToNull()}};jsts.geom.Envelope.prototype.translate=function(transX,transY){if(this.isNull()){return}this.init(this.minx+transX,this.maxx+transX,this.miny+transY,this.maxy+transY)};jsts.geom.Envelope.prototype.centre=function(){if(this.isNull()){return null}return new jsts.geom.Coordinate((this.minx+this.maxx)/2,(this.miny+this.maxy)/2)};jsts.geom.Envelope.prototype.intersection=function(env){if(this.isNull()||env.isNull()||!this.intersects(env)){return new jsts.geom.Envelope}var intMinX=this.minx>env.minx?this.minx:env.minx;var intMinY=this.miny>env.miny?this.miny:env.miny;var intMaxX=this.maxx<env.maxx?this.maxx:env.maxx;var intMaxY=this.maxy<env.maxy?this.maxy:env.maxy;return new jsts.geom.Envelope(intMinX,intMaxX,intMinY,intMaxY)};jsts.geom.Envelope.prototype.intersects=function(){if(arguments[0]instanceof jsts.geom.Envelope){return this.intersectsEnvelope(arguments[0])}else if(arguments[0]instanceof jsts.geom.Coordinate){return this.intersectsCoordinate(arguments[0])}else{return this.intersectsValues(arguments[0],arguments[1])}};jsts.geom.Envelope.prototype.intersectsEnvelope=function(other){if(this.isNull()||other.isNull()){return false}var result=!(other.minx>this.maxx||other.maxx<this.minx||other.miny>this.maxy||other.maxy<this.miny);return result};jsts.geom.Envelope.prototype.intersectsCoordinate=function(p){return this.intersectsValues(p.x,p.y)};jsts.geom.Envelope.prototype.intersectsValues=function(x,y){if(this.isNull()){return false}return!(x>this.maxx||x<this.minx||y>this.maxy||y<this.miny)};jsts.geom.Envelope.prototype.contains=function(){if(arguments[0]instanceof jsts.geom.Envelope){return this.containsEnvelope(arguments[0])}else if(arguments[0]instanceof jsts.geom.Coordinate){return this.containsCoordinate(arguments[0])}else{return this.containsValues(arguments[0],arguments[1])}};jsts.geom.Envelope.prototype.containsEnvelope=function(other){return this.coversEnvelope(other)};jsts.geom.Envelope.prototype.containsCoordinate=function(p){return this.coversCoordinate(p)};jsts.geom.Envelope.prototype.containsValues=function(x,y){return this.coversValues(x,y)};jsts.geom.Envelope.prototype.covers=function(){if(arguments[0]instanceof jsts.geom.Envelope){this.coversEnvelope(arguments[0])}else if(arguments[0]instanceof jsts.geom.Coordinate){this.coversCoordinate(arguments[0])}else{this.coversValues(arguments[0],arguments[1])}};jsts.geom.Envelope.prototype.coversValues=function(x,y){if(this.isNull()){return false}return x>=this.minx&&x<=this.maxx&&y>=this.miny&&y<=this.maxy};jsts.geom.Envelope.prototype.coversCoordinate=function(p){return this.coversValues(p.x,p.y)};jsts.geom.Envelope.prototype.coversEnvelope=function(other){if(this.isNull()||other.isNull()){return false}return other.minx>=this.minx&&other.maxx<=this.maxx&&other.miny>=this.miny&&other.maxy<=this.maxy};jsts.geom.Envelope.prototype.distance=function(env){if(this.intersects(env)){return 0}var dx=0;if(this.maxx<env.minx){dx=env.minx-this.maxx}if(this.minx>env.maxx){dx=this.minx-env.maxx}var dy=0;if(this.maxy<env.miny){dy=env.miny-this.maxy}if(this.miny>env.maxy){dy=this.miny-env.maxy}if(dx===0){return dy}if(dy===0){return dx}return Math.sqrt(dx*dx+dy*dy)};jsts.geom.Envelope.prototype.equals=function(other){if(this.isNull()){return other.isNull()}return this.maxx===other.maxx&&this.maxy===other.maxy&&this.minx===other.minx&&this.miny===other.miny};jsts.geom.Envelope.prototype.toString=function(){return"Env["+this.minx+" : "+this.maxx+", "+this.miny+" : "+this.maxy+"]"};jsts.geom.Envelope.intersects=function(p1,p2,q){if(arguments.length===4){return jsts.geom.Envelope.intersectsEnvelope(arguments[0],arguments[1],arguments[2],arguments[3])}var xc1=p1.x<p2.x?p1.x:p2.x;var xc2=p1.x>p2.x?p1.x:p2.x;var yc1=p1.y<p2.y?p1.y:p2.y;var yc2=p1.y>p2.y?p1.y:p2.y;if(q.x>=xc1&&q.x<=xc2&&(q.y>=yc1&&q.y<=yc2)){return true}return false};jsts.geom.Envelope.intersectsEnvelope=function(p1,p2,q1,q2){var minq=Math.min(q1.x,q2.x);var maxq=Math.max(q1.x,q2.x);var minp=Math.min(p1.x,p2.x);var maxp=Math.max(p1.x,p2.x);if(minp>maxq){return false}if(maxp<minq){return false}minq=Math.min(q1.y,q2.y);maxq=Math.max(q1.y,q2.y);minp=Math.min(p1.y,p2.y);maxp=Math.max(p1.y,p2.y);if(minp>maxq){return false}if(maxp<minq){return false}return true};jsts.geom.Envelope.prototype.clone=function(){return new jsts.geom.Envelope(this.minx,this.maxx,this.miny,this.maxy)};jsts.geom.util.GeometryCombiner=function(geoms){this.geomFactory=jsts.geom.util.GeometryCombiner.extractFactory(geoms);this.inputGeoms=geoms};jsts.geom.util.GeometryCombiner.combine=function(geoms){if(arguments.length>1)return this.combine2.apply(this,arguments);var combiner=new jsts.geom.util.GeometryCombiner(geoms);return combiner.combine()};jsts.geom.util.GeometryCombiner.combine2=function(){var arrayList=new javascript.util.ArrayList;Array.prototype.slice.call(arguments).forEach(function(a){arrayList.add(a)});var combiner=new jsts.geom.util.GeometryCombiner(arrayList);return combiner.combine()};jsts.geom.util.GeometryCombiner.prototype.geomFactory=null;jsts.geom.util.GeometryCombiner.prototype.skipEmpty=false;jsts.geom.util.GeometryCombiner.prototype.inputGeoms;jsts.geom.util.GeometryCombiner.extractFactory=function(geoms){if(geoms.isEmpty())return null;return geoms.iterator().next().getFactory()};jsts.geom.util.GeometryCombiner.prototype.combine=function(){var elems=new javascript.util.ArrayList,i;for(i=this.inputGeoms.iterator();i.hasNext();){var g=i.next();this.extractElements(g,elems)}if(elems.size()===0){if(this.geomFactory!==null){return this.geomFactory.createGeometryCollection(null)}return null}return this.geomFactory.buildGeometry(elems)};jsts.geom.util.GeometryCombiner.prototype.extractElements=function(geom,elems){if(geom===null){return}for(var i=0;i<geom.getNumGeometries();i++){var elemGeom=geom.getGeometryN(i);if(this.skipEmpty&&elemGeom.isEmpty()){continue}elems.add(elemGeom)}};jsts.geom.PrecisionModel=function(modelType){if(typeof modelType==="number"){this.modelType=jsts.geom.PrecisionModel.FIXED;this.scale=modelType;return}this.modelType=modelType||jsts.geom.PrecisionModel.FLOATING;if(this.modelType===jsts.geom.PrecisionModel.FIXED){this.scale=1}};jsts.geom.PrecisionModel.FLOATING="FLOATING";jsts.geom.PrecisionModel.FIXED="FIXED";jsts.geom.PrecisionModel.FLOATING_SINGLE="FLOATING_SINGLE";jsts.geom.PrecisionModel.prototype.scale=null;jsts.geom.PrecisionModel.prototype.modelType=null;jsts.geom.PrecisionModel.prototype.isFloating=function(){return this.modelType===jsts.geom.PrecisionModel.FLOATING||this.modelType===jsts.geom.PrecisionModel.FLOATING_SINLGE};jsts.geom.PrecisionModel.prototype.getScale=function(){return this.scale};jsts.geom.PrecisionModel.prototype.getType=function(){return this.modelType};jsts.geom.PrecisionModel.prototype.equals=function(other){return true;if(!(other instanceof jsts.geom.PrecisionModel)){return false}var otherPrecisionModel=other;return this.modelType===otherPrecisionModel.modelType&&this.scale===otherPrecisionModel.scale};jsts.geom.PrecisionModel.prototype.makePrecise=function(val){if(val instanceof jsts.geom.Coordinate){this.makePrecise2(val);return}if(isNaN(val))return val;if(this.modelType===jsts.geom.PrecisionModel.FIXED){return Math.round(val*this.scale)/this.scale}return val};jsts.geom.PrecisionModel.prototype.makePrecise2=function(coord){if(this.modelType===jsts.geom.PrecisionModel.FLOATING)return;coord.x=this.makePrecise(coord.x);coord.y=this.makePrecise(coord.y)};jsts.geom.PrecisionModel.prototype.compareTo=function(o){var other=o;return 0};jsts.geom.CoordinateFilter=function(){};jsts.geom.CoordinateFilter.prototype.filter=function(coord){throw new jsts.error.AbstractMethodInvocationError};jsts.geom.Point=function(coordinate,factory){this.factory=factory;if(coordinate===undefined)return;this.coordinate=coordinate};jsts.geom.Point.prototype=new jsts.geom.Geometry;jsts.geom.Point.constructor=jsts.geom.Point;jsts.geom.Point.CLASS_NAME="jsts.geom.Point";jsts.geom.Point.prototype.coordinate=null;jsts.geom.Point.prototype.getX=function(){return this.coordinate.x};jsts.geom.Point.prototype.getY=function(){return this.coordinate.y};jsts.geom.Point.prototype.getCoordinate=function(){return this.coordinate};jsts.geom.Point.prototype.getCoordinates=function(){return this.isEmpty()?[]:[this.coordinate]};jsts.geom.Point.prototype.isEmpty=function(){return this.coordinate===null};jsts.geom.Point.prototype.equalsExact=function(other,tolerance){if(!this.isEquivalentClass(other)){return false}if(this.isEmpty()&&other.isEmpty()){return true}return this.equal(other.getCoordinate(),this.getCoordinate(),tolerance)};jsts.geom.Point.prototype.getNumPoints=function(){return this.isEmpty()?0:1};jsts.geom.Point.prototype.isSimple=function(){return true};jsts.geom.Point.prototype.getBoundary=function(){return new jsts.geom.GeometryCollection(null)};jsts.geom.Point.prototype.computeEnvelopeInternal=function(){if(this.isEmpty()){return new jsts.geom.Envelope}return new jsts.geom.Envelope(this.coordinate)};jsts.geom.Point.prototype.apply=function(filter){if(filter instanceof jsts.geom.GeometryFilter||filter instanceof jsts.geom.GeometryComponentFilter){filter.filter(this)}else if(filter instanceof jsts.geom.CoordinateFilter){if(this.isEmpty()){return}filter.filter(this.getCoordinate())}};jsts.geom.Point.prototype.clone=function(){return new jsts.geom.Point(this.coordinate.clone(),this.factory)};jsts.geom.Point.prototype.getDimension=function(){return 0};jsts.geom.Point.prototype.getBoundaryDimension=function(){return jsts.geom.Dimension.FALSE};jsts.geom.Point.prototype.reverse=function(){return this.clone()};jsts.geom.Point.prototype.isValid=function(){if(!jsts.operation.valid.IsValidOp.isValid(this.getCoordinate())){return false}return true};jsts.geom.Point.prototype.normalize=function(){};jsts.geom.Point.prototype.compareToSameClass=function(other){var point=other;return this.getCoordinate().compareTo(point.getCoordinate())};jsts.geom.Point.prototype.getGeometryType=function(){return"Point"};jsts.geom.Point.prototype.hashCode=function(){return"Point_"+this.coordinate.hashCode()};jsts.geom.Point.prototype.CLASS_NAME="jsts.geom.Point";jsts.geomgraph.EdgeIntersection=function(coord,segmentIndex,dist){this.coord=new jsts.geom.Coordinate(coord);this.segmentIndex=segmentIndex;this.dist=dist};jsts.geomgraph.EdgeIntersection.prototype.coord=null;jsts.geomgraph.EdgeIntersection.prototype.segmentIndex=null;jsts.geomgraph.EdgeIntersection.prototype.dist=null;jsts.geomgraph.EdgeIntersection.prototype.getCoordinate=function(){return this.coord};jsts.geomgraph.EdgeIntersection.prototype.getSegmentIndex=function(){return this.segmentIndex};jsts.geomgraph.EdgeIntersection.prototype.getDistance=function(){return this.dist};jsts.geomgraph.EdgeIntersection.prototype.compareTo=function(other){return this.compare(other.segmentIndex,other.dist)};jsts.geomgraph.EdgeIntersection.prototype.compare=function(segmentIndex,dist){if(this.segmentIndex<segmentIndex)return-1;if(this.segmentIndex>segmentIndex)return 1;if(this.dist<dist)return-1;if(this.dist>dist)return 1;return 0};jsts.geomgraph.EdgeIntersection.prototype.isEndPoint=function(maxSegmentIndex){if(this.segmentIndex===0&&this.dist===0)return true;if(this.segmentIndex===maxSegmentIndex)return true;return false};jsts.geomgraph.EdgeIntersection.prototype.toString=function(){return""+this.segmentIndex+this.dist};(function(){var EdgeIntersection=jsts.geomgraph.EdgeIntersection;var TreeMap=javascript.util.TreeMap;jsts.geomgraph.EdgeIntersectionList=function(edge){this.nodeMap=new TreeMap;this.edge=edge};jsts.geomgraph.EdgeIntersectionList.prototype.nodeMap=null;jsts.geomgraph.EdgeIntersectionList.prototype.edge=null;jsts.geomgraph.EdgeIntersectionList.prototype.isIntersection=function(pt){for(var it=this.iterator();it.hasNext();){var ei=it.next();if(ei.coord.equals(pt)){return true}}return false};jsts.geomgraph.EdgeIntersectionList.prototype.add=function(intPt,segmentIndex,dist){var eiNew=new EdgeIntersection(intPt,segmentIndex,dist);var ei=this.nodeMap.get(eiNew);if(ei!==null){return ei}this.nodeMap.put(eiNew,eiNew);return eiNew};jsts.geomgraph.EdgeIntersectionList.prototype.iterator=function(){return this.nodeMap.values().iterator()};jsts.geomgraph.EdgeIntersectionList.prototype.addEndpoints=function(){var maxSegIndex=this.edge.pts.length-1;this.add(this.edge.pts[0],0,0);this.add(this.edge.pts[maxSegIndex],maxSegIndex,0)};jsts.geomgraph.EdgeIntersectionList.prototype.addSplitEdges=function(edgeList){this.addEndpoints();var it=this.iterator();var eiPrev=it.next();while(it.hasNext()){var ei=it.next();var newEdge=this.createSplitEdge(eiPrev,ei);edgeList.add(newEdge);eiPrev=ei}};jsts.geomgraph.EdgeIntersectionList.prototype.createSplitEdge=function(ei0,ei1){var npts=ei1.segmentIndex-ei0.segmentIndex+2;var lastSegStartPt=this.edge.pts[ei1.segmentIndex];var useIntPt1=ei1.dist>0||!ei1.coord.equals2D(lastSegStartPt);if(!useIntPt1){npts--}var pts=[];var ipt=0;pts[ipt++]=new jsts.geom.Coordinate(ei0.coord);for(var i=ei0.segmentIndex+1;i<=ei1.segmentIndex;i++){pts[ipt++]=this.edge.pts[i]}if(useIntPt1)pts[ipt]=ei1.coord;return new jsts.geomgraph.Edge(pts,new jsts.geomgraph.Label(this.edge.label))}})();(function(){var AssertionFailedException=function(message){this.message=message};AssertionFailedException.prototype=new Error;AssertionFailedException.prototype.name="AssertionFailedException";jsts.util.AssertionFailedException=AssertionFailedException})();(function(){var AssertionFailedException=jsts.util.AssertionFailedException;jsts.util.Assert=function(){};jsts.util.Assert.isTrue=function(assertion,message){if(!assertion){if(message===null){throw new AssertionFailedException}else{throw new AssertionFailedException(message)}}};jsts.util.Assert.equals=function(expectedValue,actualValue,message){if(!actualValue.equals(expectedValue)){throw new AssertionFailedException("Expected "+expectedValue+" but encountered "+actualValue+(message!=null?": "+message:""))}};jsts.util.Assert.shouldNeverReachHere=function(message){throw new AssertionFailedException("Should never reach here"+(message!=null?": "+message:""))}})();(function(){var Location=jsts.geom.Location;var Assert=jsts.util.Assert;var ArrayList=javascript.util.ArrayList;jsts.operation.relate.RelateComputer=function(arg){this.li=new jsts.algorithm.RobustLineIntersector;this.ptLocator=new jsts.algorithm.PointLocator;this.nodes=new jsts.geomgraph.NodeMap(new jsts.operation.relate.RelateNodeFactory);this.isolatedEdges=new ArrayList;this.arg=arg};jsts.operation.relate.RelateComputer.prototype.li=null;jsts.operation.relate.RelateComputer.prototype.ptLocator=null;jsts.operation.relate.RelateComputer.prototype.arg=null;jsts.operation.relate.RelateComputer.prototype.nodes=null;jsts.operation.relate.RelateComputer.prototype.im=null;jsts.operation.relate.RelateComputer.prototype.isolatedEdges=null;jsts.operation.relate.RelateComputer.prototype.invalidPoint=null;jsts.operation.relate.RelateComputer.prototype.computeIM=function(){var im=new jsts.geom.IntersectionMatrix;im.set(Location.EXTERIOR,Location.EXTERIOR,2);if(!this.arg[0].getGeometry().getEnvelopeInternal().intersects(this.arg[1].getGeometry().getEnvelopeInternal())){this.computeDisjointIM(im);return im}this.arg[0].computeSelfNodes(this.li,false);this.arg[1].computeSelfNodes(this.li,false);var intersector=this.arg[0].computeEdgeIntersections(this.arg[1],this.li,false);this.computeIntersectionNodes(0);this.computeIntersectionNodes(1);this.copyNodesAndLabels(0);this.copyNodesAndLabels(1);this.labelIsolatedNodes();this.computeProperIntersectionIM(intersector,im);var eeBuilder=new jsts.operation.relate.EdgeEndBuilder;var ee0=eeBuilder.computeEdgeEnds(this.arg[0].getEdgeIterator());this.insertEdgeEnds(ee0);var ee1=eeBuilder.computeEdgeEnds(this.arg[1].getEdgeIterator());this.insertEdgeEnds(ee1);this.labelNodeEdges();this.labelIsolatedEdges(0,1);this.labelIsolatedEdges(1,0);this.updateIM(im);return im};jsts.operation.relate.RelateComputer.prototype.insertEdgeEnds=function(ee){for(var i=ee.iterator();i.hasNext();){var e=i.next();this.nodes.add(e)}};jsts.operation.relate.RelateComputer.prototype.computeProperIntersectionIM=function(intersector,im){var dimA=this.arg[0].getGeometry().getDimension();var dimB=this.arg[1].getGeometry().getDimension();var hasProper=intersector.hasProperIntersection();var hasProperInterior=intersector.hasProperInteriorIntersection();if(dimA===2&&dimB===2){if(hasProper)im.setAtLeast("212101212")}else if(dimA===2&&dimB===1){if(hasProper)im.setAtLeast("FFF0FFFF2");if(hasProperInterior)im.setAtLeast("1FFFFF1FF")}else if(dimA===1&&dimB===2){if(hasProper)im.setAtLeast("F0FFFFFF2");if(hasProperInterior)im.setAtLeast("1F1FFFFFF")}else if(dimA===1&&dimB===1){if(hasProperInterior)im.setAtLeast("0FFFFFFFF")}};jsts.operation.relate.RelateComputer.prototype.copyNodesAndLabels=function(argIndex){for(var i=this.arg[argIndex].getNodeIterator();i.hasNext();){var graphNode=i.next();var newNode=this.nodes.addNode(graphNode.getCoordinate());newNode.setLabel(argIndex,graphNode.getLabel().getLocation(argIndex))}};jsts.operation.relate.RelateComputer.prototype.computeIntersectionNodes=function(argIndex){for(var i=this.arg[argIndex].getEdgeIterator();i.hasNext();){var e=i.next();var eLoc=e.getLabel().getLocation(argIndex);for(var eiIt=e.getEdgeIntersectionList().iterator();eiIt.hasNext();){var ei=eiIt.next();var n=this.nodes.addNode(ei.coord);if(eLoc===Location.BOUNDARY)n.setLabelBoundary(argIndex);else{if(n.getLabel().isNull(argIndex))n.setLabel(argIndex,Location.INTERIOR)}}}};jsts.operation.relate.RelateComputer.prototype.labelIntersectionNodes=function(argIndex){for(var i=this.arg[argIndex].getEdgeIterator();i.hasNext();){var e=i.next();var eLoc=e.getLabel().getLocation(argIndex);for(var eiIt=e.getEdgeIntersectionList().iterator();eiIt.hasNext();){var ei=eiIt.next();var n=this.nodes.find(ei.coord);if(n.getLabel().isNull(argIndex)){if(eLoc===Location.BOUNDARY)n.setLabelBoundary(argIndex);else n.setLabel(argIndex,Location.INTERIOR)}}}};jsts.operation.relate.RelateComputer.prototype.computeDisjointIM=function(im){var ga=this.arg[0].getGeometry();if(!ga.isEmpty()){im.set(Location.INTERIOR,Location.EXTERIOR,ga.getDimension());im.set(Location.BOUNDARY,Location.EXTERIOR,ga.getBoundaryDimension())}var gb=this.arg[1].getGeometry();if(!gb.isEmpty()){im.set(Location.EXTERIOR,Location.INTERIOR,gb.getDimension());im.set(Location.EXTERIOR,Location.BOUNDARY,gb.getBoundaryDimension())}};jsts.operation.relate.RelateComputer.prototype.labelNodeEdges=function(){for(var ni=this.nodes.iterator();ni.hasNext();){var node=ni.next();node.getEdges().computeLabelling(this.arg)}};jsts.operation.relate.RelateComputer.prototype.updateIM=function(im){for(var ei=this.isolatedEdges.iterator();ei.hasNext();){var e=ei.next();e.updateIM(im)}for(var ni=this.nodes.iterator();ni.hasNext();){var node=ni.next();node.updateIM(im);node.updateIMFromEdges(im)}};jsts.operation.relate.RelateComputer.prototype.labelIsolatedEdges=function(thisIndex,targetIndex){for(var ei=this.arg[thisIndex].getEdgeIterator();ei.hasNext();){var e=ei.next();if(e.isIsolated()){this.labelIsolatedEdge(e,targetIndex,this.arg[targetIndex].getGeometry());this.isolatedEdges.add(e)}}};jsts.operation.relate.RelateComputer.prototype.labelIsolatedEdge=function(e,targetIndex,target){if(target.getDimension()>0){var loc=this.ptLocator.locate(e.getCoordinate(),target);e.getLabel().setAllLocations(targetIndex,loc)}else{e.getLabel().setAllLocations(targetIndex,Location.EXTERIOR)}};jsts.operation.relate.RelateComputer.prototype.labelIsolatedNodes=function(){for(var ni=this.nodes.iterator();ni.hasNext();){var n=ni.next();var label=n.getLabel();Assert.isTrue(label.getGeometryCount()>0,"node with empty label found");if(n.isIsolated()){if(label.isNull(0))this.labelIsolatedNode(n,0);else this.labelIsolatedNode(n,1)}}};jsts.operation.relate.RelateComputer.prototype.labelIsolatedNode=function(n,targetIndex){var loc=this.ptLocator.locate(n.getCoordinate(),this.arg[targetIndex].getGeometry());n.getLabel().setAllLocations(targetIndex,loc)}})();(function(){var Assert=jsts.util.Assert;jsts.geomgraph.GraphComponent=function(label){this.label=label};jsts.geomgraph.GraphComponent.prototype.label=null;jsts.geomgraph.GraphComponent.prototype._isInResult=false;jsts.geomgraph.GraphComponent.prototype._isCovered=false;jsts.geomgraph.GraphComponent.prototype._isCoveredSet=false;jsts.geomgraph.GraphComponent.prototype._isVisited=false;jsts.geomgraph.GraphComponent.prototype.getLabel=function(){return this.label};jsts.geomgraph.GraphComponent.prototype.setLabel=function(label){if(arguments.length===2){this.setLabel2.apply(this,arguments);return}this.label=label};jsts.geomgraph.GraphComponent.prototype.setInResult=function(isInResult){this._isInResult=isInResult};jsts.geomgraph.GraphComponent.prototype.isInResult=function(){return this._isInResult};jsts.geomgraph.GraphComponent.prototype.setCovered=function(isCovered){this._isCovered=isCovered;this._isCoveredSet=true};jsts.geomgraph.GraphComponent.prototype.isCovered=function(){return this._isCovered};jsts.geomgraph.GraphComponent.prototype.isCoveredSet=function(){return this._isCoveredSet};jsts.geomgraph.GraphComponent.prototype.isVisited=function(){return this._isVisited};jsts.geomgraph.GraphComponent.prototype.setVisited=function(isVisited){this._isVisited=isVisited};jsts.geomgraph.GraphComponent.prototype.getCoordinate=function(){throw new jsts.error.AbstractMethodInvocationError};jsts.geomgraph.GraphComponent.prototype.computeIM=function(im){throw new jsts.error.AbstractMethodInvocationError};jsts.geomgraph.GraphComponent.prototype.isIsolated=function(){throw new jsts.error.AbstractMethodInvocationError};jsts.geomgraph.GraphComponent.prototype.updateIM=function(im){Assert.isTrue(this.label.getGeometryCount()>=2,"found partial label");this.computeIM(im)}})();jsts.geomgraph.Node=function(coord,edges){this.coord=coord;this.edges=edges;this.label=new jsts.geomgraph.Label(0,jsts.geom.Location.NONE)};jsts.geomgraph.Node.prototype=new jsts.geomgraph.GraphComponent;jsts.geomgraph.Node.prototype.coord=null;jsts.geomgraph.Node.prototype.edges=null;jsts.geomgraph.Node.prototype.isIsolated=function(){return this.label.getGeometryCount()==1};jsts.geomgraph.Node.prototype.setLabel2=function(argIndex,onLocation){if(this.label===null){this.label=new jsts.geomgraph.Label(argIndex,onLocation)}else this.label.setLocation(argIndex,onLocation)};jsts.geomgraph.Node.prototype.setLabelBoundary=function(argIndex){var loc=jsts.geom.Location.NONE;if(this.label!==null)loc=this.label.getLocation(argIndex);var newLoc;switch(loc){case jsts.geom.Location.BOUNDARY:newLoc=jsts.geom.Location.INTERIOR;break;case jsts.geom.Location.INTERIOR:newLoc=jsts.geom.Location.BOUNDARY;break;default:newLoc=jsts.geom.Location.BOUNDARY;break}this.label.setLocation(argIndex,newLoc)};jsts.geomgraph.Node.prototype.add=function(e){this.edges.insert(e);e.setNode(this)};jsts.geomgraph.Node.prototype.getCoordinate=function(){return this.coord};jsts.geomgraph.Node.prototype.getEdges=function(){return this.edges};jsts.geomgraph.Node.prototype.isIncidentEdgeInResult=function(){for(var it=this.getEdges().getEdges().iterator();it.hasNext();){var de=it.next();if(de.getEdge().isInResult())return true}return false};jsts.geom.Dimension=function(){};jsts.geom.Dimension.P=0;jsts.geom.Dimension.L=1;jsts.geom.Dimension.A=2;jsts.geom.Dimension.FALSE=-1;jsts.geom.Dimension.TRUE=-2;jsts.geom.Dimension.DONTCARE=-3;jsts.geom.Dimension.toDimensionSymbol=function(dimensionValue){switch(dimensionValue){case jsts.geom.Dimension.FALSE:return"F";case jsts.geom.Dimension.TRUE:return"T";case jsts.geom.Dimension.DONTCARE:return"*";
case jsts.geom.Dimension.P:return"0";case jsts.geom.Dimension.L:return"1";case jsts.geom.Dimension.A:return"2"}throw new jsts.IllegalArgumentError("Unknown dimension value: "+dimensionValue)};jsts.geom.Dimension.toDimensionValue=function(dimensionSymbol){switch(dimensionSymbol.toUpperCase()){case"F":return jsts.geom.Dimension.FALSE;case"T":return jsts.geom.Dimension.TRUE;case"*":return jsts.geom.Dimension.DONTCARE;case"0":return jsts.geom.Dimension.P;case"1":return jsts.geom.Dimension.L;case"2":return jsts.geom.Dimension.A}throw new jsts.error.IllegalArgumentError("Unknown dimension symbol: "+dimensionSymbol)};(function(){var Dimension=jsts.geom.Dimension;jsts.geom.LineString=function(points,factory){this.factory=factory;this.points=points||[]};jsts.geom.LineString.prototype=new jsts.geom.Geometry;jsts.geom.LineString.constructor=jsts.geom.LineString;jsts.geom.LineString.prototype.points=null;jsts.geom.LineString.prototype.getCoordinates=function(){return this.points};jsts.geom.LineString.prototype.getCoordinateSequence=function(){return this.points};jsts.geom.LineString.prototype.getCoordinateN=function(n){return this.points[n]};jsts.geom.LineString.prototype.getCoordinate=function(){if(this.isEmpty()){return null}return this.getCoordinateN(0)};jsts.geom.LineString.prototype.getDimension=function(){return 1};jsts.geom.LineString.prototype.getBoundaryDimension=function(){if(this.isClosed()){return Dimension.FALSE}return 0};jsts.geom.LineString.prototype.isEmpty=function(){return this.points.length===0};jsts.geom.LineString.prototype.getNumPoints=function(){return this.points.length};jsts.geom.LineString.prototype.getPointN=function(n){return this.getFactory().createPoint(this.points[n])};jsts.geom.LineString.prototype.getStartPoint=function(){if(this.isEmpty()){return null}return this.getPointN(0)};jsts.geom.LineString.prototype.getEndPoint=function(){if(this.isEmpty()){return null}return this.getPointN(this.getNumPoints()-1)};jsts.geom.LineString.prototype.isClosed=function(){if(this.isEmpty()){return false}return this.getCoordinateN(0).equals2D(this.getCoordinateN(this.points.length-1))};jsts.geom.LineString.prototype.isRing=function(){return this.isClosed()&&this.isSimple()};jsts.geom.LineString.prototype.getGeometryType=function(){return"LineString"};jsts.geom.LineString.prototype.getLength=function(){return jsts.algorithm.CGAlgorithms.computeLength(this.points)};jsts.geom.LineString.prototype.getBoundary=function(){return new jsts.operation.BoundaryOp(this).getBoundary()};jsts.geom.LineString.prototype.computeEnvelopeInternal=function(){if(this.isEmpty()){return new jsts.geom.Envelope}var env=new jsts.geom.Envelope;this.points.forEach(function(component){env.expandToInclude(component)});return env};jsts.geom.LineString.prototype.equalsExact=function(other,tolerance){if(!this.isEquivalentClass(other)){return false}if(this.points.length!==other.points.length){return false}if(this.isEmpty()&&other.isEmpty()){return true}return this.points.reduce(function(equal,point,i){return equal&&jsts.geom.Geometry.prototype.equal(point,other.points[i],tolerance)})};jsts.geom.LineString.prototype.isEquivalentClass=function(other){return other instanceof jsts.geom.LineString};jsts.geom.LineString.prototype.compareToSameClass=function(o){var line=o;var i=0,il=this.points.length;var j=0,jl=line.points.length;while(i<il&&j<jl){var comparison=this.points[i].compareTo(line.points[j]);if(comparison!==0){return comparison}i++;j++}if(i<il){return 1}if(j<jl){return-1}return 0};jsts.geom.LineString.prototype.apply=function(filter){if(filter instanceof jsts.geom.GeometryFilter||filter instanceof jsts.geom.GeometryComponentFilter){filter.filter(this)}else if(filter instanceof jsts.geom.CoordinateFilter){for(var i=0,len=this.points.length;i<len;i++){filter.filter(this.points[i])}}else if(filter instanceof jsts.geom.CoordinateSequenceFilter){this.apply2.apply(this,arguments)}};jsts.geom.LineString.prototype.apply2=function(filter){if(this.points.length===0)return;for(var i=0;i<this.points.length;i++){filter.filter(this.points,i);if(filter.isDone())break}if(filter.isGeometryChanged()){}};jsts.geom.LineString.prototype.clone=function(){var points=[];for(var i=0,len=this.points.length;i<len;i++){points.push(this.points[i].clone())}return this.factory.createLineString(points)};jsts.geom.LineString.prototype.normalize=function(){var i,il,j,ci,cj,len;len=this.points.length;il=parseInt(len/2);for(i=0;i<il;i++){j=len-1-i;ci=this.points[i];cj=this.points[j];if(!ci.equals(cj)){if(ci.compareTo(cj)>0){this.points.reverse()}return}}};jsts.geom.LineString.prototype.CLASS_NAME="jsts.geom.LineString"})();(function(){jsts.geom.Polygon=function(shell,holes,factory){this.shell=shell||factory.createLinearRing(null);this.holes=holes||[];this.factory=factory};jsts.geom.Polygon.prototype=new jsts.geom.Geometry;jsts.geom.Polygon.constructor=jsts.geom.Polygon;jsts.geom.Polygon.prototype.getCoordinate=function(){return this.shell.getCoordinate()};jsts.geom.Polygon.prototype.getCoordinates=function(){if(this.isEmpty()){return[]}var coordinates=[];var k=-1;var shellCoordinates=this.shell.getCoordinates();for(var x=0;x<shellCoordinates.length;x++){k++;coordinates[k]=shellCoordinates[x]}for(var i=0;i<this.holes.length;i++){var childCoordinates=this.holes[i].getCoordinates();for(var j=0;j<childCoordinates.length;j++){k++;coordinates[k]=childCoordinates[j]}}return coordinates};jsts.geom.Polygon.prototype.isEmpty=function(){return this.shell.isEmpty()};jsts.geom.Polygon.prototype.getExteriorRing=function(){return this.shell};jsts.geom.Polygon.prototype.getInteriorRingN=function(n){return this.holes[n]};jsts.geom.Polygon.prototype.getNumInteriorRing=function(){return this.holes.length};jsts.geom.Polygon.prototype.getArea=function(){var area=0;area+=Math.abs(jsts.algorithm.CGAlgorithms.signedArea(this.shell.getCoordinateSequence()));for(var i=0;i<this.holes.length;i++){area-=Math.abs(jsts.algorithm.CGAlgorithms.signedArea(this.holes[i].getCoordinateSequence()))}return area};jsts.geom.Polygon.prototype.getLength=function(){var len=0;len+=this.shell.getLength();for(var i=0;i<this.holes.length;i++){len+=this.holes[i].getLength()}return len};jsts.geom.Polygon.prototype.getBoundary=function(){if(this.isEmpty()){return this.getFactory().createMultiLineString(null)}var rings=[];rings[0]=this.shell.clone();for(var i=0,len=this.holes.length;i<len;i++){rings[i+1]=this.holes[i].clone()}if(rings.length<=1)return rings[0];return this.getFactory().createMultiLineString(rings)};jsts.geom.Polygon.prototype.computeEnvelopeInternal=function(){return this.shell.getEnvelopeInternal()};jsts.geom.Polygon.prototype.getDimension=function(){return 2};jsts.geom.Polygon.prototype.getBoundaryDimension=function(){return 1};jsts.geom.Polygon.prototype.equalsExact=function(other,tolerance){if(!this.isEquivalentClass(other)){return false}if(this.isEmpty()&&other.isEmpty()){return true}if(this.isEmpty()!==other.isEmpty()){return false}if(!this.shell.equalsExact(other.shell,tolerance)){return false}if(this.holes.length!==other.holes.length){return false}if(this.holes.length!==other.holes.length){return false}for(var i=0;i<this.holes.length;i++){if(!this.holes[i].equalsExact(other.holes[i],tolerance)){return false}}return true};jsts.geom.Polygon.prototype.compareToSameClass=function(o){return this.shell.compareToSameClass(o.shell)};jsts.geom.Polygon.prototype.apply=function(filter){if(filter instanceof jsts.geom.GeometryComponentFilter){filter.filter(this);this.shell.apply(filter);for(var i=0,len=this.holes.length;i<len;i++){this.holes[i].apply(filter)}}else if(filter instanceof jsts.geom.GeometryFilter){filter.filter(this)}else if(filter instanceof jsts.geom.CoordinateFilter){this.shell.apply(filter);for(var i=0,len=this.holes.length;i<len;i++){this.holes[i].apply(filter)}}else if(filter instanceof jsts.geom.CoordinateSequenceFilter){this.apply2.apply(this,arguments)}};jsts.geom.Polygon.prototype.apply2=function(filter){this.shell.apply(filter);if(!filter.isDone()){for(var i=0;i<this.holes.length;i++){this.holes[i].apply(filter);if(filter.isDone())break}}if(filter.isGeometryChanged()){}};jsts.geom.Polygon.prototype.clone=function(){var holes=[];for(var i=0,len=this.holes.length;i<len;i++){holes.push(this.holes[i].clone())}return this.factory.createPolygon(this.shell.clone(),holes)};jsts.geom.Polygon.prototype.normalize=function(){this.normalize2(this.shell,true);for(var i=0,len=this.holes.length;i<len;i++){this.normalize2(this.holes[i],false)}this.holes.sort()};jsts.geom.Polygon.prototype.normalize2=function(ring,clockwise){if(ring.isEmpty()){return}var uniqueCoordinates=ring.points.slice(0,ring.points.length-1);var minCoordinate=jsts.geom.CoordinateArrays.minCoordinate(ring.points);jsts.geom.CoordinateArrays.scroll(uniqueCoordinates,minCoordinate);ring.points=uniqueCoordinates.concat();ring.points[uniqueCoordinates.length]=uniqueCoordinates[0];if(jsts.algorithm.CGAlgorithms.isCCW(ring.points)===clockwise){ring.points.reverse()}};jsts.geom.Polygon.prototype.getGeometryType=function(){return"Polygon"};jsts.geom.Polygon.prototype.CLASS_NAME="jsts.geom.Polygon"})();(function(){var Geometry=jsts.geom.Geometry;var TreeSet=javascript.util.TreeSet;var Arrays=javascript.util.Arrays;jsts.geom.GeometryCollection=function(geometries,factory){this.geometries=geometries||[];this.factory=factory};jsts.geom.GeometryCollection.prototype=new Geometry;jsts.geom.GeometryCollection.constructor=jsts.geom.GeometryCollection;jsts.geom.GeometryCollection.prototype.isEmpty=function(){for(var i=0,len=this.geometries.length;i<len;i++){var geometry=this.getGeometryN(i);if(!geometry.isEmpty()){return false}}return true};jsts.geom.Geometry.prototype.getArea=function(){var area=0;for(var i=0,len=this.geometries.length;i<len;i++){area+=this.getGeometryN(i).getArea()}return area};jsts.geom.Geometry.prototype.getLength=function(){var length=0;for(var i=0,len=this.geometries.length;i<len;i++){length+=this.getGeometryN(i).getLength()}return length};jsts.geom.GeometryCollection.prototype.getCoordinate=function(){if(this.isEmpty())return null;return this.getGeometryN(0).getCoordinate()};jsts.geom.GeometryCollection.prototype.getCoordinates=function(){var coordinates=[];var k=-1;for(var i=0,len=this.geometries.length;i<len;i++){var geometry=this.getGeometryN(i);var childCoordinates=geometry.getCoordinates();for(var j=0;j<childCoordinates.length;j++){k++;coordinates[k]=childCoordinates[j]}}return coordinates};jsts.geom.GeometryCollection.prototype.getNumGeometries=function(){return this.geometries.length};jsts.geom.GeometryCollection.prototype.getGeometryN=function(n){var geometry=this.geometries[n];if(geometry instanceof jsts.geom.Coordinate){geometry=new jsts.geom.Point(geometry)}return geometry};jsts.geom.GeometryCollection.prototype.equalsExact=function(other,tolerance){if(!this.isEquivalentClass(other)){return false}if(this.geometries.length!==other.geometries.length){return false}for(var i=0,len=this.geometries.length;i<len;i++){var geometry=this.getGeometryN(i);if(!geometry.equalsExact(other.getGeometryN(i),tolerance)){return false}}return true};jsts.geom.GeometryCollection.prototype.clone=function(){var geometries=[];for(var i=0,len=this.geometries.length;i<len;i++){geometries.push(this.geometries[i].clone())}return this.factory.createGeometryCollection(geometries)};jsts.geom.GeometryCollection.prototype.normalize=function(){for(var i=0,len=this.geometries.length;i<len;i++){this.getGeometryN(i).normalize()}this.geometries.sort()};jsts.geom.GeometryCollection.prototype.compareToSameClass=function(o){var theseElements=new TreeSet(Arrays.asList(this.geometries));var otherElements=new TreeSet(Arrays.asList(o.geometries));return this.compare(theseElements,otherElements)};jsts.geom.GeometryCollection.prototype.apply=function(filter){if(filter instanceof jsts.geom.GeometryFilter||filter instanceof jsts.geom.GeometryComponentFilter){filter.filter(this);for(var i=0,len=this.geometries.length;i<len;i++){this.getGeometryN(i).apply(filter)}}else if(filter instanceof jsts.geom.CoordinateFilter){for(var i=0,len=this.geometries.length;i<len;i++){this.getGeometryN(i).apply(filter)}}else if(filter instanceof jsts.geom.CoordinateSequenceFilter){this.apply2.apply(this,arguments)}};jsts.geom.GeometryCollection.prototype.apply2=function(filter){if(this.geometries.length==0)return;for(var i=0;i<this.geometries.length;i++){this.geometries[i].apply(filter);if(filter.isDone()){break}}if(filter.isGeometryChanged()){}};jsts.geom.GeometryCollection.prototype.getDimension=function(){var dimension=jsts.geom.Dimension.FALSE;for(var i=0,len=this.geometries.length;i<len;i++){var geometry=this.getGeometryN(i);dimension=Math.max(dimension,geometry.getDimension())}return dimension};jsts.geom.GeometryCollection.prototype.computeEnvelopeInternal=function(){var envelope=new jsts.geom.Envelope;for(var i=0,len=this.geometries.length;i<len;i++){var geometry=this.getGeometryN(i);envelope.expandToInclude(geometry.getEnvelopeInternal())}return envelope};jsts.geom.GeometryCollection.prototype.CLASS_NAME="jsts.geom.GeometryCollection"})();jsts.algorithm.Centroid=function(geometry){this.areaBasePt=null;this.triangleCent3=new jsts.geom.Coordinate;this.areasum2=0;this.cg3=new jsts.geom.Coordinate;this.lineCentSum=new jsts.geom.Coordinate;this.totalLength=0;this.ptCount=0;this.ptCentSum=new jsts.geom.Coordinate;this.add(geometry)};jsts.algorithm.Centroid.getCentroid=function(geometry){var cent=new jsts.algorithm.Centroid(geometry);return cent.getCentroid()};jsts.algorithm.Centroid.centroid3=function(p1,p2,p3,c){c.x=p1.x+p2.x+p3.x;c.y=p1.y+p2.y+p3.y};jsts.algorithm.Centroid.area2=function(p1,p2,p3){return(p2.x-p1.x)*(p3.y-p1.y)-(p3.x-p1.x)*(p2.y-p1.y)};jsts.algorithm.Centroid.prototype.add=function(geom){if(geom.isEmpty()){return}if(geom instanceof jsts.geom.Point){this.addPoint(geom.getCoordinate())}else if(geom instanceof jsts.geom.LineString){this.addLineSegments(geom.getCoordinates())}else if(geom instanceof jsts.geom.Polygon){this.addPolygon(geom)}else if(geom instanceof jsts.geom.GeometryCollection){for(var i=0;i<geom.getNumGeometries();i++){this.add(geom.getGeometryN(i))}}};jsts.algorithm.Centroid.prototype.getCentroid=function(){var cent=new jsts.geom.Coordinate;if(Math.abs(this.areasum2)>0){cent.x=this.cg3.x/3/this.areasum2;cent.y=this.cg3.y/3/this.areasum2}else if(this.totalLength>0){cent.x=this.lineCentSum.x/this.totalLength;cent.y=this.lineCentSum.y/this.totalLength}else if(this.ptCount>0){cent.x=this.ptCentSum.x/this.ptCount;cent.y=this.ptCentSum.y/this.ptCount}else{return null}return cent};jsts.algorithm.Centroid.prototype.setBasePoint=function(basePt){if(this.areaBasePt===null){this.areaBasePt=basePt}};jsts.algorithm.Centroid.prototype.addPolygon=function(poly){this.addShell(poly.getExteriorRing().getCoordinates());for(var i=0;i<poly.getNumInteriorRing();i++){this.addHole(poly.getInteriorRingN(i).getCoordinates())}};jsts.algorithm.Centroid.prototype.addShell=function(pts){if(pts.length>0){this.setBasePoint(pts[0])}var isPositiveArea=!jsts.algorithm.CGAlgorithms.isCCW(pts);for(var i=0;i<pts.length-1;i++){this.addTriangle(this.areaBasePt,pts[i],pts[i+1],isPositiveArea)}this.addLineSegments(pts)};jsts.algorithm.Centroid.prototype.addHole=function(pts){var isPositiveArea=jsts.algorithm.CGAlgorithms.isCCW(pts);for(var i=0;i<pts.length-1;i++){this.addTriangle(this.areaBasePt,pts[i],pts[i+1],isPositiveArea)}this.addLineSegments(pts)};jsts.algorithm.Centroid.prototype.addTriangle=function(p0,p1,p2,isPositiveArea){var sign=isPositiveArea?1:-1;jsts.algorithm.Centroid.centroid3(p0,p1,p2,this.triangleCent3);var area2=jsts.algorithm.Centroid.area2(p0,p1,p2);this.cg3.x+=sign*area2*this.triangleCent3.x;this.cg3.y+=sign*area2*this.triangleCent3.y;this.areasum2+=sign*area2};jsts.algorithm.Centroid.prototype.addLineSegments=function(pts){var lineLen=0;for(var i=0;i<pts.length-1;i++){var segmentLen=pts[i].distance(pts[i+1]);if(segmentLen===0){continue}lineLen+=segmentLen;var midx=(pts[i].x+pts[i+1].x)/2;this.lineCentSum.x+=segmentLen*midx;var midy=(pts[i].y+pts[i+1].y)/2;this.lineCentSum.y+=segmentLen*midy}this.totalLength+=lineLen;if(lineLen===0&&pts.length>0){this.addPoint(pts[0])}};jsts.algorithm.Centroid.prototype.addPoint=function(pt){this.ptCount+=1;this.ptCentSum.x+=pt.x;this.ptCentSum.y+=pt.y};(function(){var EdgeRing=function(factory){this.deList=new javascript.util.ArrayList;this.factory=factory};EdgeRing.findEdgeRingContaining=function(testEr,shellList){var testRing=testEr.getRing();var testEnv=testRing.getEnvelopeInternal();var testPt=testRing.getCoordinateN(0);var minShell=null;var minEnv=null;for(var it=shellList.iterator();it.hasNext();){var tryShell=it.next();var tryRing=tryShell.getRing();var tryEnv=tryRing.getEnvelopeInternal();if(minShell!=null)minEnv=minShell.getRing().getEnvelopeInternal();var isContained=false;if(tryEnv.equals(testEnv))continue;testPt=jsts.geom.CoordinateArrays.ptNotInList(testRing.getCoordinates(),tryRing.getCoordinates());if(tryEnv.contains(testEnv)&&jsts.algorithm.CGAlgorithms.isPointInRing(testPt,tryRing.getCoordinates()))isContained=true;if(isContained){if(minShell==null||minEnv.contains(tryEnv)){minShell=tryShell}}}return minShell};EdgeRing.ptNotInList=function(testPts,pts){for(var i=0;i<testPts.length;i++){var testPt=testPts[i];if(!isInList(testPt,pts))return testPt}return null};EdgeRing.isInList=function(pt,pts){for(var i=0;i<pts.length;i++){if(pt.equals(pts[i]))return true}return false};EdgeRing.prototype.factory=null;EdgeRing.prototype.deList=null;EdgeRing.prototype.ring=null;EdgeRing.prototype.ringPts=null;EdgeRing.prototype.holes=null;EdgeRing.prototype.add=function(de){this.deList.add(de)};EdgeRing.prototype.isHole=function(){var ring=this.getRing();return jsts.algorithm.CGAlgorithms.isCCW(ring.getCoordinates())};EdgeRing.prototype.addHole=function(hole){if(this.holes==null)this.holes=new javascript.util.ArrayList;this.holes.add(hole)};EdgeRing.prototype.getPolygon=function(){var holeLR=null;if(this.holes!=null){holeLR=[];for(var i=0;i<this.holes.size();i++){holeLR[i]=this.holes.get(i)}}var poly=this.factory.createPolygon(this.ring,holeLR);return poly};EdgeRing.prototype.isValid=function(){this.getCoordinates();if(this.ringPts.length<=3)return false;this.getRing();return this.ring.isValid()};EdgeRing.prototype.getCoordinates=function(){if(this.ringPts==null){var coordList=new jsts.geom.CoordinateList;for(var i=this.deList.iterator();i.hasNext();){var de=i.next();var edge=de.getEdge();EdgeRing.addEdge(edge.getLine().getCoordinates(),de.getEdgeDirection(),coordList)}this.ringPts=coordList.toCoordinateArray()}return this.ringPts};EdgeRing.prototype.getLineString=function(){this.getCoordinates();return this.factory.createLineString(this.ringPts)};EdgeRing.prototype.getRing=function(){if(this.ring!=null)return this.ring;this.getCoordinates();if(this.ringPts.length<3)console.log(this.ringPts);try{this.ring=this.factory.createLinearRing(this.ringPts)}catch(ex){console.log(this.ringPts)}return this.ring};EdgeRing.addEdge=function(coords,isForward,coordList){if(isForward){for(var i=0;i<coords.length;i++){coordList.add(coords[i],false)}}else{for(var i=coords.length-1;i>=0;i--){coordList.add(coords[i],false)}}};jsts.operation.polygonize.EdgeRing=EdgeRing})();(function(){var GraphComponent=function(){};GraphComponent.setVisited=function(i,visited){while(i.hasNext()){var comp=i.next();comp.setVisited(visited)}};GraphComponent.setMarked=function(i,marked){while(i.hasNext()){var comp=i.next();comp.setMarked(marked)}};GraphComponent.getComponentWithVisitedState=function(i,visitedState){while(i.hasNext()){var comp=i.next();if(comp.isVisited()==visitedState)return comp}return null};GraphComponent.prototype._isMarked=false;GraphComponent.prototype._isVisited=false;GraphComponent.prototype.data;GraphComponent.prototype.isVisited=function(){return this._isVisited};GraphComponent.prototype.setVisited=function(isVisited){this._isVisited=isVisited};GraphComponent.prototype.isMarked=function(){return this._isMarked};GraphComponent.prototype.setMarked=function(isMarked){this._isMarked=isMarked};GraphComponent.prototype.setContext=function(data){this.data=data};GraphComponent.prototype.getContext=function(){return data};GraphComponent.prototype.setData=function(data){this.data=data};GraphComponent.prototype.getData=function(){return data};GraphComponent.prototype.isRemoved=function(){throw new jsts.error.AbstractMethodInvocationError};jsts.planargraph.GraphComponent=GraphComponent})();(function(){var GraphComponent=jsts.planargraph.GraphComponent;var Edge=function(de0,de1){if(de0===undefined){return}this.setDirectedEdges(de0,de1)};Edge.prototype=new GraphComponent;Edge.prototype.dirEdge=null;Edge.prototype.setDirectedEdges=function(de0,de1){this.dirEdge=[de0,de1];de0.setEdge(this);de1.setEdge(this);de0.setSym(de1);de1.setSym(de0);de0.getFromNode().addOutEdge(de0);de1.getFromNode().addOutEdge(de1)};Edge.prototype.getDirEdge=function(i){if(i instanceof jsts.planargraph.Node){this.getDirEdge2(i)}return this.dirEdge[i]};Edge.prototype.getDirEdge2=function(fromNode){if(this.dirEdge[0].getFromNode()==fromNode)return this.dirEdge[0];if(this.dirEdge[1].getFromNode()==fromNode)return this.dirEdge[1];return null};Edge.prototype.getOppositeNode=function(node){if(this.dirEdge[0].getFromNode()==node)return this.dirEdge[0].getToNode();if(this.dirEdge[1].getFromNode()==node)return this.dirEdge[1].getToNode();return null};Edge.prototype.remove=function(){this.dirEdge=null};Edge.prototype.isRemoved=function(){return dirEdge==null};jsts.planargraph.Edge=Edge})();jsts.operation.polygonize.PolygonizeEdge=function(line){this.line=line};jsts.operation.polygonize.PolygonizeEdge.prototype=new jsts.planargraph.Edge;jsts.operation.polygonize.PolygonizeEdge.prototype.line=null;jsts.operation.polygonize.PolygonizeEdge.prototype.getLine=function(){return this.line};(function(){var ArrayList=javascript.util.ArrayList;var GraphComponent=jsts.planargraph.GraphComponent;var DirectedEdge=function(from,to,directionPt,edgeDirection){if(from===undefined){return}this.from=from;this.to=to;this.edgeDirection=edgeDirection;this.p0=from.getCoordinate();this.p1=directionPt;var dx=this.p1.x-this.p0.x;var dy=this.p1.y-this.p0.y;this.quadrant=jsts.geomgraph.Quadrant.quadrant(dx,dy);this.angle=Math.atan2(dy,dx)};DirectedEdge.prototype=new GraphComponent;DirectedEdge.toEdges=function(dirEdges){var edges=new ArrayList;for(var i=dirEdges.iterator();i.hasNext();){edges.add(i.next().parentEdge)}return edges};DirectedEdge.prototype.parentEdge=null;DirectedEdge.prototype.from=null;DirectedEdge.prototype.to=null;DirectedEdge.prototype.p0=null;DirectedEdge.prototype.p1=null;DirectedEdge.prototype.sym=null;DirectedEdge.prototype.edgeDirection=null;DirectedEdge.prototype.quadrant=null;DirectedEdge.prototype.angle=null;DirectedEdge.prototype.getEdge=function(){return this.parentEdge};DirectedEdge.prototype.setEdge=function(parentEdge){this.parentEdge=parentEdge};DirectedEdge.prototype.getQuadrant=function(){return this.quadrant};DirectedEdge.prototype.getDirectionPt=function(){return this.p1};DirectedEdge.prototype.getEdgeDirection=function(){return this.edgeDirection};DirectedEdge.prototype.getFromNode=function(){return this.from};DirectedEdge.prototype.getToNode=function(){return this.to};DirectedEdge.prototype.getCoordinate=function(){return this.from.getCoordinate()};DirectedEdge.prototype.getAngle=function(){return this.angle};DirectedEdge.prototype.getSym=function(){return this.sym};DirectedEdge.prototype.setSym=function(sym){this.sym=sym};DirectedEdge.prototype.remove=function(){this.sym=null;this.parentEdge=null};DirectedEdge.prototype.isRemoved=function(){return this.parentEdge==null};DirectedEdge.prototype.compareTo=function(obj){var de=obj;return this.compareDirection(de)};DirectedEdge.prototype.compareDirection=function(e){if(this.quadrant>e.quadrant)return 1;if(this.quadrant<e.quadrant)return-1;return jsts.algorithm.CGAlgorithms.computeOrientation(e.p0,e.p1,this.p1)};jsts.planargraph.DirectedEdge=DirectedEdge})();(function(){var DirectedEdge=jsts.planargraph.DirectedEdge;var PolygonizeDirectedEdge=function(from,to,directionPt,edgeDirection){DirectedEdge.apply(this,arguments)};PolygonizeDirectedEdge.prototype=new DirectedEdge;PolygonizeDirectedEdge.prototype.edgeRing=null;PolygonizeDirectedEdge.prototype.next=null;PolygonizeDirectedEdge.prototype.label=-1;PolygonizeDirectedEdge.prototype.getLabel=function(){return this.label};PolygonizeDirectedEdge.prototype.setLabel=function(label){this.label=label};PolygonizeDirectedEdge.prototype.getNext=function(){return this.next};PolygonizeDirectedEdge.prototype.setNext=function(next){this.next=next};PolygonizeDirectedEdge.prototype.isInRing=function(){return this.edgeRing!=null};PolygonizeDirectedEdge.prototype.setRing=function(edgeRing){this.edgeRing=edgeRing};jsts.operation.polygonize.PolygonizeDirectedEdge=PolygonizeDirectedEdge})();(function(){var ArrayList=javascript.util.ArrayList;var DirectedEdgeStar=function(){this.outEdges=new ArrayList};DirectedEdgeStar.prototype.outEdges=null;DirectedEdgeStar.prototype.sorted=false;DirectedEdgeStar.prototype.add=function(de){this.outEdges.add(de);this.sorted=false};DirectedEdgeStar.prototype.remove=function(de){this.outEdges.remove(de)};DirectedEdgeStar.prototype.iterator=function(){this.sortEdges();return this.outEdges.iterator()};DirectedEdgeStar.prototype.getDegree=function(){return this.outEdges.size()};DirectedEdgeStar.prototype.getCoordinate=function(){var it=iterator();if(!it.hasNext())return null;var e=it.next();return e.getCoordinate()};DirectedEdgeStar.prototype.getEdges=function(){this.sortEdges();return this.outEdges};DirectedEdgeStar.prototype.sortEdges=function(){if(!this.sorted){var array=this.outEdges.toArray();array.sort(function(a,b){return a.compareTo(b)});this.outEdges=javascript.util.Arrays.asList(array);this.sorted=true}};DirectedEdgeStar.prototype.getIndex=function(edge){if(edge instanceof jsts.planargraph.DirectedEdge){return this.getIndex2(edge)}else if(typeof edge==="number"){return this.getIndex3(edge)}this.sortEdges();for(var i=0;i<this.outEdges.size();i++){var de=this.outEdges.get(i);if(de.getEdge()==edge)return i}return-1};DirectedEdgeStar.prototype.getIndex2=function(dirEdge){this.sortEdges();for(var i=0;i<this.outEdges.size();i++){var de=this.outEdges.get(i);if(de==dirEdge)return i}return-1};DirectedEdgeStar.prototype.getIndex3=function(i){var modi=toInt(i%this.outEdges.size());if(modi<0)modi+=this.outEdges.size();return modi};DirectedEdgeStar.prototype.getNextEdge=function(dirEdge){var i=this.getIndex(dirEdge);return this.outEdges.get(getIndex(i+1))};DirectedEdgeStar.prototype.getNextCWEdge=function(dirEdge){var i=this.getIndex(dirEdge);return this.outEdges.get(getIndex(i-1))};jsts.planargraph.DirectedEdgeStar=DirectedEdgeStar})();(function(){var GraphComponent=jsts.planargraph.GraphComponent;var DirectedEdgeStar=jsts.planargraph.DirectedEdgeStar;var Node=function(pt,deStar){this.pt=pt;this.deStar=deStar||new DirectedEdgeStar};Node.prototype=new GraphComponent;Node.getEdgesBetween=function(node0,node1){var edges0=DirectedEdge.toEdges(node0.getOutEdges().getEdges());var commonEdges=new javascript.util.HashSet(edges0);var edges1=DirectedEdge.toEdges(node1.getOutEdges().getEdges());commonEdges.retainAll(edges1);return commonEdges};Node.prototype.pt=null;Node.prototype.deStar=null;Node.prototype.getCoordinate=function(){return this.pt};Node.prototype.addOutEdge=function(de){this.deStar.add(de)};Node.prototype.getOutEdges=function(){return this.deStar};Node.prototype.getDegree=function(){return this.deStar.getDegree()};Node.prototype.getIndex=function(edge){return this.deStar.getIndex(edge)};Node.prototype.remove=function(de){if(de===undefined){return this.remove2()}this.deStar.remove(de)};Node.prototype.remove2=function(){this.pt=null};Node.prototype.isRemoved=function(){return this.pt==null};jsts.planargraph.Node=Node})();(function(){var NodeMap=function(){this.nodeMap=new javascript.util.TreeMap};NodeMap.prototype.nodeMap=null;NodeMap.prototype.add=function(n){this.nodeMap.put(n.getCoordinate(),n);return n};NodeMap.prototype.remove=function(pt){return this.nodeMap.remove(pt)};NodeMap.prototype.find=function(coord){return this.nodeMap.get(coord)};NodeMap.prototype.iterator=function(){return this.nodeMap.values().iterator()};NodeMap.prototype.values=function(){return this.nodeMap.values()};jsts.planargraph.NodeMap=NodeMap})();(function(){var ArrayList=javascript.util.ArrayList;var PlanarGraph=function(){this.edges=new javascript.util.HashSet;this.dirEdges=new javascript.util.HashSet;this.nodeMap=new jsts.planargraph.NodeMap};PlanarGraph.prototype.edges=null;PlanarGraph.prototype.dirEdges=null;PlanarGraph.prototype.nodeMap=null;PlanarGraph.prototype.findNode=function(pt){return this.nodeMap.find(pt)};PlanarGraph.prototype.add=function(node){if(node instanceof jsts.planargraph.Edge){return this.add2(node)}else if(node instanceof jsts.planargraph.DirectedEdge){return this.add3(node)}this.nodeMap.add(node)};PlanarGraph.prototype.add2=function(edge){this.edges.add(edge);this.add(edge.getDirEdge(0));this.add(edge.getDirEdge(1))};PlanarGraph.prototype.add3=function(dirEdge){this.dirEdges.add(dirEdge)};PlanarGraph.prototype.nodeIterator=function(){return this.nodeMap.iterator()};PlanarGraph.prototype.contains=function(e){if(e instanceof jsts.planargraph.DirectedEdge){return this.contains2(e)}return this.edges.contains(e)};PlanarGraph.prototype.contains2=function(de){return this.dirEdges.contains(de)};PlanarGraph.prototype.getNodes=function(){return this.nodeMap.values()};PlanarGraph.prototype.dirEdgeIterator=function(){return this.dirEdges.iterator()};PlanarGraph.prototype.edgeIterator=function(){return this.edges.iterator()};PlanarGraph.prototype.getEdges=function(){return this.edges};PlanarGraph.prototype.remove=function(edge){if(edge instanceof jsts.planargraph.DirectedEdge){return this.remove2(edge)}this.remove(edge.getDirEdge(0));this.remove(edge.getDirEdge(1));this.edges.remove(edge);this.edge.remove()};PlanarGraph.prototype.remove2=function(de){if(de instanceof jsts.planargraph.Node){return this.remove3(de)}var sym=de.getSym();if(sym!=null)sym.setSym(null);de.getFromNode().remove(de);de.remove();this.dirEdges.remove(de)};PlanarGraph.prototype.remove3=function(node){var outEdges=node.getOutEdges().getEdges();for(var i=outEdges.iterator();i.hasNext();){var de=i.next();var sym=de.getSym();if(sym!=null)this.remove(sym);this.dirEdges.remove(de);var edge=de.getEdge();if(edge!=null){this.edges.remove(edge)}}this.nodeMap.remove(node.getCoordinate());node.remove()};PlanarGraph.prototype.findNodesOfDegree=function(degree){var nodesFound=new ArrayList;for(var i=this.nodeIterator();i.hasNext();){var node=i.next();if(node.getDegree()==degree)nodesFound.add(node)}return nodesFound};jsts.planargraph.PlanarGraph=PlanarGraph})();(function(){var ArrayList=javascript.util.ArrayList;var Stack=javascript.util.Stack;var HashSet=javascript.util.HashSet;var Assert=jsts.util.Assert;var EdgeRing=jsts.operation.polygonize.EdgeRing;var PolygonizeEdge=jsts.operation.polygonize.PolygonizeEdge;var PolygonizeDirectedEdge=jsts.operation.polygonize.PolygonizeDirectedEdge;var PlanarGraph=jsts.planargraph.PlanarGraph;var Node=jsts.planargraph.Node;var PolygonizeGraph=function(factory){PlanarGraph.apply(this);this.factory=factory};PolygonizeGraph.prototype=new PlanarGraph;PolygonizeGraph.getDegreeNonDeleted=function(node){var edges=node.getOutEdges().getEdges();var degree=0;for(var i=edges.iterator();i.hasNext();){var de=i.next();if(!de.isMarked())degree++}return degree};PolygonizeGraph.getDegree=function(node,label){var edges=node.getOutEdges().getEdges();var degree=0;for(var i=edges.iterator();i.hasNext();){var de=i.next();if(de.getLabel()==label)degree++}return degree};PolygonizeGraph.deleteAllEdges=function(node){var edges=node.getOutEdges().getEdges();for(var i=edges.iterator();i.hasNext();){var de=i.next();
de.setMarked(true);var sym=de.getSym();if(sym!=null)sym.setMarked(true)}};PolygonizeGraph.prototype.factory=null;PolygonizeGraph.prototype.addEdge=function(line){if(line.isEmpty()){return}var linePts=jsts.geom.CoordinateArrays.removeRepeatedPoints(line.getCoordinates());if(linePts.length<2){return}var startPt=linePts[0];var endPt=linePts[linePts.length-1];var nStart=this.getNode(startPt);var nEnd=this.getNode(endPt);var de0=new PolygonizeDirectedEdge(nStart,nEnd,linePts[1],true);var de1=new PolygonizeDirectedEdge(nEnd,nStart,linePts[linePts.length-2],false);var edge=new PolygonizeEdge(line);edge.setDirectedEdges(de0,de1);this.add(edge)};PolygonizeGraph.prototype.getNode=function(pt){var node=this.findNode(pt);if(node==null){node=new Node(pt);this.add(node)}return node};PolygonizeGraph.prototype.computeNextCWEdges=function(){for(var iNode=this.nodeIterator();iNode.hasNext();){var node=iNode.next();PolygonizeGraph.computeNextCWEdges(node)}};PolygonizeGraph.prototype.convertMaximalToMinimalEdgeRings=function(ringEdges){for(var i=ringEdges.iterator();i.hasNext();){var de=i.next();var label=de.getLabel();var intNodes=PolygonizeGraph.findIntersectionNodes(de,label);if(intNodes==null)continue;for(var iNode=intNodes.iterator();iNode.hasNext();){var node=iNode.next();PolygonizeGraph.computeNextCCWEdges(node,label)}}};PolygonizeGraph.findIntersectionNodes=function(startDE,label){var de=startDE;var intNodes=null;do{var node=de.getFromNode();if(PolygonizeGraph.getDegree(node,label)>1){if(intNodes==null)intNodes=new ArrayList;intNodes.add(node)}de=de.getNext();Assert.isTrue(de!=null,"found null DE in ring");Assert.isTrue(de==startDE||!de.isInRing(),"found DE already in ring")}while(de!=startDE);return intNodes};PolygonizeGraph.prototype.getEdgeRings=function(){this.computeNextCWEdges();PolygonizeGraph.label(this.dirEdges,-1);var maximalRings=PolygonizeGraph.findLabeledEdgeRings(this.dirEdges);this.convertMaximalToMinimalEdgeRings(maximalRings);var edgeRingList=new ArrayList;for(var i=this.dirEdges.iterator();i.hasNext();){var de=i.next();if(de.isMarked())continue;if(de.isInRing())continue;var er=this.findEdgeRing(de);edgeRingList.add(er)}return edgeRingList};PolygonizeGraph.findLabeledEdgeRings=function(dirEdges){var edgeRingStarts=new ArrayList;var currLabel=1;for(var i=dirEdges.iterator();i.hasNext();){var de=i.next();if(de.isMarked())continue;if(de.getLabel()>=0)continue;edgeRingStarts.add(de);var edges=PolygonizeGraph.findDirEdgesInRing(de);PolygonizeGraph.label(edges,currLabel);currLabel++}return edgeRingStarts};PolygonizeGraph.prototype.deleteCutEdges=function(){this.computeNextCWEdges();PolygonizeGraph.findLabeledEdgeRings(this.dirEdges);var cutLines=new ArrayList;for(var i=this.dirEdges.iterator();i.hasNext();){var de=i.next();if(de.isMarked())continue;var sym=de.getSym();if(de.getLabel()==sym.getLabel()){de.setMarked(true);sym.setMarked(true);var e=de.getEdge();cutLines.add(e.getLine())}}return cutLines};PolygonizeGraph.label=function(dirEdges,label){for(var i=dirEdges.iterator();i.hasNext();){var de=i.next();de.setLabel(label)}};PolygonizeGraph.computeNextCWEdges=function(node){var deStar=node.getOutEdges();var startDE=null;var prevDE=null;for(var i=deStar.getEdges().iterator();i.hasNext();){var outDE=i.next();if(outDE.isMarked())continue;if(startDE==null)startDE=outDE;if(prevDE!=null){var sym=prevDE.getSym();sym.setNext(outDE)}prevDE=outDE}if(prevDE!=null){var sym=prevDE.getSym();sym.setNext(startDE)}};PolygonizeGraph.computeNextCCWEdges=function(node,label){var deStar=node.getOutEdges();var firstOutDE=null;var prevInDE=null;var edges=deStar.getEdges();for(var i=edges.size()-1;i>=0;i--){var de=edges.get(i);var sym=de.getSym();var outDE=null;if(de.getLabel()==label)outDE=de;var inDE=null;if(sym.getLabel()==label)inDE=sym;if(outDE==null&&inDE==null)continue;if(inDE!=null){prevInDE=inDE}if(outDE!=null){if(prevInDE!=null){prevInDE.setNext(outDE);prevInDE=null}if(firstOutDE==null)firstOutDE=outDE}}if(prevInDE!=null){Assert.isTrue(firstOutDE!=null);prevInDE.setNext(firstOutDE)}};PolygonizeGraph.findDirEdgesInRing=function(startDE){var de=startDE;var edges=new ArrayList;do{edges.add(de);de=de.getNext();Assert.isTrue(de!=null,"found null DE in ring");Assert.isTrue(de==startDE||!de.isInRing(),"found DE already in ring")}while(de!=startDE);return edges};PolygonizeGraph.prototype.findEdgeRing=function(startDE){var de=startDE;var er=new EdgeRing(this.factory);do{er.add(de);de.setRing(er);de=de.getNext();Assert.isTrue(de!=null,"found null DE in ring");Assert.isTrue(de==startDE||!de.isInRing(),"found DE already in ring")}while(de!=startDE);return er};PolygonizeGraph.prototype.deleteDangles=function(){var nodesToRemove=this.findNodesOfDegree(1);var dangleLines=new HashSet;var nodeStack=new Stack;for(var i=nodesToRemove.iterator();i.hasNext();){nodeStack.push(i.next())}while(!nodeStack.isEmpty()){var node=nodeStack.pop();PolygonizeGraph.deleteAllEdges(node);var nodeOutEdges=node.getOutEdges().getEdges();for(var i=nodeOutEdges.iterator();i.hasNext();){var de=i.next();de.setMarked(true);var sym=de.getSym();if(sym!=null)sym.setMarked(true);var e=de.getEdge();dangleLines.add(e.getLine());var toNode=de.getToNode();if(PolygonizeGraph.getDegreeNonDeleted(toNode)==1)nodeStack.push(toNode)}}return dangleLines};PolygonizeGraph.prototype.computeDepthParity=function(){while(true){var de=null;if(de==null)return;this.computeDepthParity(de)}};PolygonizeGraph.prototype.computeDepthParity=function(de){};jsts.operation.polygonize.PolygonizeGraph=PolygonizeGraph})();jsts.index.strtree.Interval=function(){var other;if(arguments.length===1){other=arguments[0];return jsts.index.strtree.Interval(other.min,other.max)}else if(arguments.length===2){jsts.util.Assert.isTrue(this.min<=this.max);this.min=arguments[0];this.max=arguments[1]}};jsts.index.strtree.Interval.prototype.min=null;jsts.index.strtree.Interval.prototype.max=null;jsts.index.strtree.Interval.prototype.getCentre=function(){return(this.min+this.max)/2};jsts.index.strtree.Interval.prototype.expandToInclude=function(other){this.max=Math.max(this.max,other.max);this.min=Math.min(this.min,other.min);return this};jsts.index.strtree.Interval.prototype.intersects=function(other){return!(other.min>this.max||other.max<this.min)};jsts.index.strtree.Interval.prototype.equals=function(o){if(!(o instanceof jsts.index.strtree.Interval)){return false}other=o;return this.min===other.min&&this.max===other.max};jsts.geom.GeometryFactory=function(precisionModel){this.precisionModel=precisionModel||new jsts.geom.PrecisionModel};jsts.geom.GeometryFactory.prototype.precisionModel=null;jsts.geom.GeometryFactory.prototype.getPrecisionModel=function(){return this.precisionModel};jsts.geom.GeometryFactory.prototype.createPoint=function(coordinate){var point=new jsts.geom.Point(coordinate,this);return point};jsts.geom.GeometryFactory.prototype.createLineString=function(coordinates){var lineString=new jsts.geom.LineString(coordinates,this);return lineString};jsts.geom.GeometryFactory.prototype.createLinearRing=function(coordinates){var linearRing=new jsts.geom.LinearRing(coordinates,this);return linearRing};jsts.geom.GeometryFactory.prototype.createPolygon=function(shell,holes){var polygon=new jsts.geom.Polygon(shell,holes,this);return polygon};jsts.geom.GeometryFactory.prototype.createMultiPoint=function(points){if(points&&points[0]instanceof jsts.geom.Coordinate){var converted=[];var i;for(i=0;i<points.length;i++){converted.push(this.createPoint(points[i]))}points=converted}return new jsts.geom.MultiPoint(points,this)};jsts.geom.GeometryFactory.prototype.createMultiLineString=function(lineStrings){return new jsts.geom.MultiLineString(lineStrings,this)};jsts.geom.GeometryFactory.prototype.createMultiPolygon=function(polygons){return new jsts.geom.MultiPolygon(polygons,this)};jsts.geom.GeometryFactory.prototype.buildGeometry=function(geomList){var geomClass=null;var isHeterogeneous=false;var hasGeometryCollection=false;for(var i=geomList.iterator();i.hasNext();){var geom=i.next();var partClass=geom.CLASS_NAME;if(geomClass===null){geomClass=partClass}if(!(partClass===geomClass)){isHeterogeneous=true}if(geom.isGeometryCollectionBase())hasGeometryCollection=true}if(geomClass===null){return this.createGeometryCollection(null)}if(isHeterogeneous||hasGeometryCollection){return this.createGeometryCollection(geomList.toArray())}var geom0=geomList.get(0);var isCollection=geomList.size()>1;if(isCollection){if(geom0 instanceof jsts.geom.Polygon){return this.createMultiPolygon(geomList.toArray())}else if(geom0 instanceof jsts.geom.LineString){return this.createMultiLineString(geomList.toArray())}else if(geom0 instanceof jsts.geom.Point){return this.createMultiPoint(geomList.toArray())}jsts.util.Assert.shouldNeverReachHere("Unhandled class: "+geom0)}return geom0};jsts.geom.GeometryFactory.prototype.createGeometryCollection=function(geometries){return new jsts.geom.GeometryCollection(geometries,this)};jsts.geom.GeometryFactory.prototype.toGeometry=function(envelope){if(envelope.isNull()){return this.createPoint(null)}if(envelope.getMinX()===envelope.getMaxX()&&envelope.getMinY()===envelope.getMaxY()){return this.createPoint(new jsts.geom.Coordinate(envelope.getMinX(),envelope.getMinY()))}if(envelope.getMinX()===envelope.getMaxX()||envelope.getMinY()===envelope.getMaxY()){return this.createLineString([new jsts.geom.Coordinate(envelope.getMinX(),envelope.getMinY()),new jsts.geom.Coordinate(envelope.getMaxX(),envelope.getMaxY())])}return this.createPolygon(this.createLinearRing([new jsts.geom.Coordinate(envelope.getMinX(),envelope.getMinY()),new jsts.geom.Coordinate(envelope.getMinX(),envelope.getMaxY()),new jsts.geom.Coordinate(envelope.getMaxX(),envelope.getMaxY()),new jsts.geom.Coordinate(envelope.getMaxX(),envelope.getMinY()),new jsts.geom.Coordinate(envelope.getMinX(),envelope.getMinY())]),null)};jsts.geomgraph.NodeFactory=function(){};jsts.geomgraph.NodeFactory.prototype.createNode=function(coord){return new jsts.geomgraph.Node(coord,null)};(function(){jsts.geomgraph.Position=function(){};jsts.geomgraph.Position.ON=0;jsts.geomgraph.Position.LEFT=1;jsts.geomgraph.Position.RIGHT=2;jsts.geomgraph.Position.opposite=function(position){if(position===jsts.geomgraph.Position.LEFT){return jsts.geomgraph.Position.RIGHT}if(position===jsts.geomgraph.Position.RIGHT){return jsts.geomgraph.Position.LEFT}return position}})();jsts.geomgraph.TopologyLocation=function(){this.location=[];if(arguments.length===3){var on=arguments[0];var left=arguments[1];var right=arguments[2];this.init(3);this.location[jsts.geomgraph.Position.ON]=on;this.location[jsts.geomgraph.Position.LEFT]=left;this.location[jsts.geomgraph.Position.RIGHT]=right}else if(arguments[0]instanceof jsts.geomgraph.TopologyLocation){var gl=arguments[0];this.init(gl.location.length);if(gl!=null){for(var i=0;i<this.location.length;i++){this.location[i]=gl.location[i]}}}else if(typeof arguments[0]==="number"){var on=arguments[0];this.init(1);this.location[jsts.geomgraph.Position.ON]=on}else if(arguments[0]instanceof Array){var location=arguments[0];this.init(location.length)}};jsts.geomgraph.TopologyLocation.prototype.location=null;jsts.geomgraph.TopologyLocation.prototype.init=function(size){this.location[size-1]=null;this.setAllLocations(jsts.geom.Location.NONE)};jsts.geomgraph.TopologyLocation.prototype.get=function(posIndex){if(posIndex<this.location.length)return this.location[posIndex];return jsts.geom.Location.NONE};jsts.geomgraph.TopologyLocation.prototype.isNull=function(){for(var i=0;i<this.location.length;i++){if(this.location[i]!==jsts.geom.Location.NONE)return false}return true};jsts.geomgraph.TopologyLocation.prototype.isAnyNull=function(){for(var i=0;i<this.location.length;i++){if(this.location[i]===jsts.geom.Location.NONE)return true}return false};jsts.geomgraph.TopologyLocation.prototype.isEqualOnSide=function(le,locIndex){return this.location[locIndex]==le.location[locIndex]};jsts.geomgraph.TopologyLocation.prototype.isArea=function(){return this.location.length>1};jsts.geomgraph.TopologyLocation.prototype.isLine=function(){return this.location.length===1};jsts.geomgraph.TopologyLocation.prototype.flip=function(){if(this.location.length<=1)return;var temp=this.location[jsts.geomgraph.Position.LEFT];this.location[jsts.geomgraph.Position.LEFT]=this.location[jsts.geomgraph.Position.RIGHT];this.location[jsts.geomgraph.Position.RIGHT]=temp};jsts.geomgraph.TopologyLocation.prototype.setAllLocations=function(locValue){for(var i=0;i<this.location.length;i++){this.location[i]=locValue}};jsts.geomgraph.TopologyLocation.prototype.setAllLocationsIfNull=function(locValue){for(var i=0;i<this.location.length;i++){if(this.location[i]===jsts.geom.Location.NONE)this.location[i]=locValue}};jsts.geomgraph.TopologyLocation.prototype.setLocation=function(locIndex,locValue){if(locValue!==undefined){this.location[locIndex]=locValue}else{this.setLocation(jsts.geomgraph.Position.ON,locIndex)}};jsts.geomgraph.TopologyLocation.prototype.getLocations=function(){return location};jsts.geomgraph.TopologyLocation.prototype.setLocations=function(on,left,right){this.location[jsts.geomgraph.Position.ON]=on;this.location[jsts.geomgraph.Position.LEFT]=left;this.location[jsts.geomgraph.Position.RIGHT]=right};jsts.geomgraph.TopologyLocation.prototype.allPositionsEqual=function(loc){for(var i=0;i<this.location.length;i++){if(this.location[i]!==loc)return false}return true};jsts.geomgraph.TopologyLocation.prototype.merge=function(gl){if(gl.location.length>this.location.length){var newLoc=[];newLoc[jsts.geomgraph.Position.ON]=this.location[jsts.geomgraph.Position.ON];newLoc[jsts.geomgraph.Position.LEFT]=jsts.geom.Location.NONE;newLoc[jsts.geomgraph.Position.RIGHT]=jsts.geom.Location.NONE;this.location=newLoc}for(var i=0;i<this.location.length;i++){if(this.location[i]===jsts.geom.Location.NONE&&i<gl.location.length)this.location[i]=gl.location[i]}};jsts.geomgraph.Label=function(){this.elt=[];var geomIndex,onLoc,leftLoc,lbl,rightLoc;if(arguments.length===4){geomIndex=arguments[0];onLoc=arguments[1];leftLoc=arguments[2];rightLoc=arguments[3];this.elt[0]=new jsts.geomgraph.TopologyLocation(jsts.geom.Location.NONE,jsts.geom.Location.NONE,jsts.geom.Location.NONE);this.elt[1]=new jsts.geomgraph.TopologyLocation(jsts.geom.Location.NONE,jsts.geom.Location.NONE,jsts.geom.Location.NONE);this.elt[geomIndex].setLocations(onLoc,leftLoc,rightLoc)}else if(arguments.length===3){onLoc=arguments[0];leftLoc=arguments[1];rightLoc=arguments[2];this.elt[0]=new jsts.geomgraph.TopologyLocation(onLoc,leftLoc,rightLoc);this.elt[1]=new jsts.geomgraph.TopologyLocation(onLoc,leftLoc,rightLoc)}else if(arguments.length===2){geomIndex=arguments[0];onLoc=arguments[1];this.elt[0]=new jsts.geomgraph.TopologyLocation(jsts.geom.Location.NONE);this.elt[1]=new jsts.geomgraph.TopologyLocation(jsts.geom.Location.NONE);this.elt[geomIndex].setLocation(onLoc)}else if(arguments[0]instanceof jsts.geomgraph.Label){lbl=arguments[0];this.elt[0]=new jsts.geomgraph.TopologyLocation(lbl.elt[0]);this.elt[1]=new jsts.geomgraph.TopologyLocation(lbl.elt[1])}else if(typeof arguments[0]==="number"){onLoc=arguments[0];this.elt[0]=new jsts.geomgraph.TopologyLocation(onLoc);this.elt[1]=new jsts.geomgraph.TopologyLocation(onLoc)}};jsts.geomgraph.Label.toLineLabel=function(label){var i,lineLabel=new jsts.geomgraph.Label(jsts.geom.Location.NONE);for(i=0;i<2;i++){lineLabel.setLocation(i,label.getLocation(i))}return lineLabel};jsts.geomgraph.Label.prototype.elt=null;jsts.geomgraph.Label.prototype.flip=function(){this.elt[0].flip();this.elt[1].flip()};jsts.geomgraph.Label.prototype.getLocation=function(geomIndex,posIndex){if(arguments.length==1){return this.getLocation2.apply(this,arguments)}return this.elt[geomIndex].get(posIndex)};jsts.geomgraph.Label.prototype.getLocation2=function(geomIndex){return this.elt[geomIndex].get(jsts.geomgraph.Position.ON)};jsts.geomgraph.Label.prototype.setLocation=function(geomIndex,posIndex,location){if(arguments.length==2){this.setLocation2.apply(this,arguments);return}this.elt[geomIndex].setLocation(posIndex,location)};jsts.geomgraph.Label.prototype.setLocation2=function(geomIndex,location){this.elt[geomIndex].setLocation(jsts.geomgraph.Position.ON,location)};jsts.geomgraph.Label.prototype.setAllLocations=function(geomIndex,location){this.elt[geomIndex].setAllLocations(location)};jsts.geomgraph.Label.prototype.setAllLocationsIfNull=function(geomIndex,location){if(arguments.length==1){this.setAllLocationsIfNull2.apply(this,arguments);return}this.elt[geomIndex].setAllLocationsIfNull(location)};jsts.geomgraph.Label.prototype.setAllLocationsIfNull2=function(location){this.setAllLocationsIfNull(0,location);this.setAllLocationsIfNull(1,location)};jsts.geomgraph.Label.prototype.merge=function(lbl){var i;for(i=0;i<2;i++){if(this.elt[i]===null&&lbl.elt[i]!==null){this.elt[i]=new jsts.geomgraph.TopologyLocation(lbl.elt[i])}else{this.elt[i].merge(lbl.elt[i])}}};jsts.geomgraph.Label.prototype.getGeometryCount=function(){var count=0;if(!this.elt[0].isNull()){count++}if(!this.elt[1].isNull()){count++}return count};jsts.geomgraph.Label.prototype.isNull=function(geomIndex){return this.elt[geomIndex].isNull()};jsts.geomgraph.Label.prototype.isAnyNull=function(geomIndex){return this.elt[geomIndex].isAnyNull()};jsts.geomgraph.Label.prototype.isArea=function(){if(arguments.length==1){return this.isArea2(arguments[0])}return this.elt[0].isArea()||this.elt[1].isArea()};jsts.geomgraph.Label.prototype.isArea2=function(geomIndex){return this.elt[geomIndex].isArea()};jsts.geomgraph.Label.prototype.isLine=function(geomIndex){return this.elt[geomIndex].isLine()};jsts.geomgraph.Label.prototype.isEqualOnSide=function(lbl,side){return this.elt[0].isEqualOnSide(lbl.elt[0],side)&&this.elt[1].isEqualOnSide(lbl.elt[1],side)};jsts.geomgraph.Label.prototype.allPositionsEqual=function(geomIndex,loc){return this.elt[geomIndex].allPositionsEqual(loc)};jsts.geomgraph.Label.prototype.toLine=function(geomIndex){if(this.elt[geomIndex].isArea()){this.elt[geomIndex]=new jsts.geomgraph.TopologyLocation(this.elt[geomIndex].location[0])}};jsts.geomgraph.EdgeRing=function(start,geometryFactory){this.edges=[];this.pts=[];this.holes=[];this.label=new jsts.geomgraph.Label(jsts.geom.Location.NONE);this.geometryFactory=geometryFactory;if(start){this.computePoints(start);this.computeRing()}};jsts.geomgraph.EdgeRing.prototype.startDe=null;jsts.geomgraph.EdgeRing.prototype.maxNodeDegree=-1;jsts.geomgraph.EdgeRing.prototype.edges=null;jsts.geomgraph.EdgeRing.prototype.pts=null;jsts.geomgraph.EdgeRing.prototype.label=null;jsts.geomgraph.EdgeRing.prototype.ring=null;jsts.geomgraph.EdgeRing.prototype._isHole=null;jsts.geomgraph.EdgeRing.prototype.shell=null;jsts.geomgraph.EdgeRing.prototype.holes=null;jsts.geomgraph.EdgeRing.prototype.geometryFactory=null;jsts.geomgraph.EdgeRing.prototype.isIsolated=function(){return this.label.getGeometryCount()==1};jsts.geomgraph.EdgeRing.prototype.isHole=function(){return this._isHole};jsts.geomgraph.EdgeRing.prototype.getCoordinate=function(i){return this.pts[i]};jsts.geomgraph.EdgeRing.prototype.getLinearRing=function(){return this.ring};jsts.geomgraph.EdgeRing.prototype.getLabel=function(){return this.label};jsts.geomgraph.EdgeRing.prototype.isShell=function(){return this.shell===null};jsts.geomgraph.EdgeRing.prototype.getShell=function(){return this.shell};jsts.geomgraph.EdgeRing.prototype.setShell=function(shell){this.shell=shell;if(shell!==null)shell.addHole(this)};jsts.geomgraph.EdgeRing.prototype.addHole=function(ring){this.holes.push(ring)};jsts.geomgraph.EdgeRing.prototype.toPolygon=function(geometryFactory){var holeLR=[];for(var i=0;i<this.holes.length;i++){holeLR[i]=this.holes[i].getLinearRing()}var poly=this.geometryFactory.createPolygon(this.getLinearRing(),holeLR);return poly};jsts.geomgraph.EdgeRing.prototype.computeRing=function(){if(this.ring!==null)return;var coord=[];for(var i=0;i<this.pts.length;i++){coord[i]=this.pts[i]}this.ring=this.geometryFactory.createLinearRing(coord);this._isHole=jsts.algorithm.CGAlgorithms.isCCW(this.ring.getCoordinates())};jsts.geomgraph.EdgeRing.prototype.getNext=function(de){throw new jsts.error.AbstractInvocationError};jsts.geomgraph.EdgeRing.prototype.setEdgeRing=function(de,er){throw new jsts.error.AbstractInvocationError};jsts.geomgraph.EdgeRing.prototype.getEdges=function(){return this.edges};jsts.geomgraph.EdgeRing.prototype.computePoints=function(start){this.startDe=start;var de=start;var isFirstEdge=true;do{if(de===null)throw new jsts.error.TopologyError("Found null DirectedEdge");if(de.getEdgeRing()===this)throw new jsts.error.TopologyError("Directed Edge visited twice during ring-building at "+de.getCoordinate());this.edges.push(de);var label=de.getLabel();jsts.util.Assert.isTrue(label.isArea());this.mergeLabel(label);this.addPoints(de.getEdge(),de.isForward(),isFirstEdge);isFirstEdge=false;this.setEdgeRing(de,this);de=this.getNext(de)}while(de!==this.startDe)};jsts.geomgraph.EdgeRing.prototype.getMaxNodeDegree=function(){if(this.maxNodeDegree<0)this.computeMaxNodeDegree();return this.maxNodeDegree};jsts.geomgraph.EdgeRing.prototype.computeMaxNodeDegree=function(){this.maxNodeDegree=0;var de=this.startDe;do{var node=de.getNode();var degree=node.getEdges().getOutgoingDegree(this);if(degree>this.maxNodeDegree)this.maxNodeDegree=degree;de=this.getNext(de)}while(de!==this.startDe);this.maxNodeDegree*=2};jsts.geomgraph.EdgeRing.prototype.setInResult=function(){var de=this.startDe;do{de.getEdge().setInResult(true);de=de.getNext()}while(de!=this.startDe)};jsts.geomgraph.EdgeRing.prototype.mergeLabel=function(deLabel){this.mergeLabel2(deLabel,0);this.mergeLabel2(deLabel,1)};jsts.geomgraph.EdgeRing.prototype.mergeLabel2=function(deLabel,geomIndex){var loc=deLabel.getLocation(geomIndex,jsts.geomgraph.Position.RIGHT);if(loc==jsts.geom.Location.NONE)return;if(this.label.getLocation(geomIndex)===jsts.geom.Location.NONE){this.label.setLocation(geomIndex,loc);return}};jsts.geomgraph.EdgeRing.prototype.addPoints=function(edge,isForward,isFirstEdge){var edgePts=edge.getCoordinates();if(isForward){var startIndex=1;if(isFirstEdge)startIndex=0;for(var i=startIndex;i<edgePts.length;i++){this.pts.push(edgePts[i])}}else{var startIndex=edgePts.length-2;if(isFirstEdge)startIndex=edgePts.length-1;for(var i=startIndex;i>=0;i--){this.pts.push(edgePts[i])}}};jsts.geomgraph.EdgeRing.prototype.containsPoint=function(p){var shell=this.getLinearRing();var env=shell.getEnvelopeInternal();if(!env.contains(p))return false;if(!jsts.algorithm.CGAlgorithms.isPointInRing(p,shell.getCoordinates()))return false;for(var i=0;i<this.holes.length;i++){var hole=this.holes[i];if(hole.containsPoint(p))return false}return true};(function(){jsts.geom.LinearRing=function(points,factory){jsts.geom.LineString.apply(this,arguments)};jsts.geom.LinearRing.prototype=new jsts.geom.LineString;jsts.geom.LinearRing.constructor=jsts.geom.LinearRing;jsts.geom.LinearRing.prototype.getBoundaryDimension=function(){return jsts.geom.Dimension.FALSE};jsts.geom.LinearRing.prototype.isSimple=function(){return true};jsts.geom.LinearRing.prototype.getGeometryType=function(){return"LinearRing"};jsts.geom.LinearRing.MINIMUM_VALID_SIZE=4;jsts.geom.LinearRing.prototype.CLASS_NAME="jsts.geom.LinearRing"})();jsts.index.strtree.Boundable=function(){};jsts.index.strtree.Boundable.prototype.getBounds=function(){throw new jsts.error.AbstractMethodInvocationError};jsts.index.strtree.AbstractNode=function(level){this.level=level;this.childBoundables=[]};jsts.index.strtree.AbstractNode.prototype=new jsts.index.strtree.Boundable;jsts.index.strtree.AbstractNode.constructor=jsts.index.strtree.AbstractNode;jsts.index.strtree.AbstractNode.prototype.childBoundables=null;jsts.index.strtree.AbstractNode.prototype.bounds=null;jsts.index.strtree.AbstractNode.prototype.level=null;jsts.index.strtree.AbstractNode.prototype.getChildBoundables=function(){return this.childBoundables};jsts.index.strtree.AbstractNode.prototype.computeBounds=function(){throw new jsts.error.AbstractMethodInvocationError};jsts.index.strtree.AbstractNode.prototype.getBounds=function(){if(this.bounds===null){this.bounds=this.computeBounds()}return this.bounds};jsts.index.strtree.AbstractNode.prototype.getLevel=function(){return this.level};jsts.index.strtree.AbstractNode.prototype.addChildBoundable=function(childBoundable){this.childBoundables.push(childBoundable)};(function(){jsts.noding.Noder=function(){};jsts.noding.Noder.prototype.computeNodes=jsts.abstractFunc;jsts.noding.Noder.prototype.getNodedSubstrings=jsts.abstractFunc})();(function(){var Noder=jsts.noding.Noder;jsts.noding.SinglePassNoder=function(){};jsts.noding.SinglePassNoder.prototype=new Noder;jsts.noding.SinglePassNoder.constructor=jsts.noding.SinglePassNoder;jsts.noding.SinglePassNoder.prototype.segInt=null;jsts.noding.SinglePassNoder.prototype.setSegmentIntersector=function(segInt){this.segInt=segInt}})();jsts.index.SpatialIndex=function(){};jsts.index.SpatialIndex.prototype.insert=function(itemEnv,item){throw new jsts.error.AbstractMethodInvocationError};jsts.index.SpatialIndex.prototype.query=function(searchEnv,visitor){throw new jsts.error.AbstractMethodInvocationError};jsts.index.SpatialIndex.prototype.remove=function(itemEnv,item){throw new jsts.error.AbstractMethodInvocationError};jsts.index.strtree.AbstractSTRtree=function(nodeCapacity){if(nodeCapacity===undefined)return;this.itemBoundables=[];jsts.util.Assert.isTrue(nodeCapacity>1,"Node capacity must be greater than 1");this.nodeCapacity=nodeCapacity};jsts.index.strtree.AbstractSTRtree.IntersectsOp=function(){};jsts.index.strtree.AbstractSTRtree.IntersectsOp.prototype.intersects=function(aBounds,bBounds){throw new jsts.error.AbstractMethodInvocationError};jsts.index.strtree.AbstractSTRtree.prototype.root=null;jsts.index.strtree.AbstractSTRtree.prototype.built=false;jsts.index.strtree.AbstractSTRtree.prototype.itemBoundables=null;jsts.index.strtree.AbstractSTRtree.prototype.nodeCapacity=null;jsts.index.strtree.AbstractSTRtree.prototype.build=function(){jsts.util.Assert.isTrue(!this.built);this.root=this.itemBoundables.length===0?this.createNode(0):this.createHigherLevels(this.itemBoundables,-1);this.built=true};jsts.index.strtree.AbstractSTRtree.prototype.createNode=function(level){throw new jsts.error.AbstractMethodInvocationError};jsts.index.strtree.AbstractSTRtree.prototype.createParentBoundables=function(childBoundables,newLevel){jsts.util.Assert.isTrue(!(childBoundables.length===0));var parentBoundables=[];parentBoundables.push(this.createNode(newLevel));var sortedChildBoundables=[];for(var i=0;i<childBoundables.length;i++){sortedChildBoundables.push(childBoundables[i])}sortedChildBoundables.sort(this.getComparator());for(var i=0;i<sortedChildBoundables.length;i++){var childBoundable=sortedChildBoundables[i];if(this.lastNode(parentBoundables).getChildBoundables().length===this.getNodeCapacity()){parentBoundables.push(this.createNode(newLevel))}this.lastNode(parentBoundables).addChildBoundable(childBoundable)}return parentBoundables};jsts.index.strtree.AbstractSTRtree.prototype.lastNode=function(nodes){return nodes[nodes.length-1]};jsts.index.strtree.AbstractSTRtree.prototype.compareDoubles=function(a,b){return a>b?1:a<b?-1:0};jsts.index.strtree.AbstractSTRtree.prototype.createHigherLevels=function(boundablesOfALevel,level){jsts.util.Assert.isTrue(!(boundablesOfALevel.length===0));var parentBoundables=this.createParentBoundables(boundablesOfALevel,level+1);if(parentBoundables.length===1){return parentBoundables[0]}return this.createHigherLevels(parentBoundables,level+1)};jsts.index.strtree.AbstractSTRtree.prototype.getRoot=function(){if(!this.built)this.build();return this.root};jsts.index.strtree.AbstractSTRtree.prototype.getNodeCapacity=function(){return this.nodeCapacity};jsts.index.strtree.AbstractSTRtree.prototype.size=function(){if(arguments.length===1){return this.size2(arguments[0])}if(!this.built){this.build()}if(this.itemBoundables.length===0){return 0}return this.size2(root)};jsts.index.strtree.AbstractSTRtree.prototype.size2=function(node){var size=0;var childBoundables=node.getChildBoundables();for(var i=0;i<childBoundables.length;i++){var childBoundable=childBoundables[i];if(childBoundable instanceof jsts.index.strtree.AbstractNode){size+=this.size(childBoundable)}else if(childBoundable instanceof jsts.index.strtree.ItemBoundable){size+=1}}return size};jsts.index.strtree.AbstractSTRtree.prototype.depth=function(){if(arguments.length===1){return this.depth2(arguments[0])}if(!this.built){this.build()}if(this.itemBoundables.length===0){return 0}return this.depth2(root)};jsts.index.strtree.AbstractSTRtree.prototype.depth2=function(){var maxChildDepth=0;var childBoundables=node.getChildBoundables();for(var i=0;i<childBoundables.length;i++){var childBoundable=childBoundables[i];if(childBoundable instanceof jsts.index.strtree.AbstractNode){var childDepth=this.depth(childBoundable);if(childDepth>maxChildDepth)maxChildDepth=childDepth}}return maxChildDepth+1};jsts.index.strtree.AbstractSTRtree.prototype.insert=function(bounds,item){jsts.util.Assert.isTrue(!this.built,"Cannot insert items into an STR packed R-tree after it has been built.");this.itemBoundables.push(new jsts.index.strtree.ItemBoundable(bounds,item))};jsts.index.strtree.AbstractSTRtree.prototype.query=function(searchBounds){if(arguments.length>1){this.query2.apply(this,arguments)}if(!this.built){this.build()}var matches=[];if(this.itemBoundables.length===0){jsts.util.Assert.isTrue(this.root.getBounds()===null);return matches}if(this.getIntersectsOp().intersects(this.root.getBounds(),searchBounds)){this.query3(searchBounds,this.root,matches)}return matches};jsts.index.strtree.AbstractSTRtree.prototype.query2=function(searchBounds,visitor){if(arguments.length>2){this.query3.apply(this,arguments)}if(!this.built){this.build()}if(this.itemBoundables.length===0){jsts.util.Assert.isTrue(this.root.getBounds()===null)}if(this.getIntersectsOp().intersects(this.root.getBounds(),searchBounds)){this.query4(searchBounds,this.root,visitor)}};jsts.index.strtree.AbstractSTRtree.prototype.query3=function(searchBounds,node,matches){if(!(arguments[2]instanceof Array)){this.query4.apply(this,arguments)}var childBoundables=node.getChildBoundables();for(var i=0;i<childBoundables.length;i++){var childBoundable=childBoundables[i];if(!this.getIntersectsOp().intersects(childBoundable.getBounds(),searchBounds)){continue}if(childBoundable instanceof jsts.index.strtree.AbstractNode){this.query3(searchBounds,childBoundable,matches)}else if(childBoundable instanceof jsts.index.strtree.ItemBoundable){matches.push(childBoundable.getItem())}else{jsts.util.Assert.shouldNeverReachHere()}}};jsts.index.strtree.AbstractSTRtree.prototype.query4=function(searchBounds,node,visitor){var childBoundables=node.getChildBoundables();for(var i=0;i<childBoundables.length;i++){var childBoundable=childBoundables[i];if(!this.getIntersectsOp().intersects(childBoundable.getBounds(),searchBounds)){continue}if(childBoundable instanceof jsts.index.strtree.AbstractNode){this.query4(searchBounds,childBoundable,visitor)}else if(childBoundable instanceof jsts.index.strtree.ItemBoundable){visitor.visitItem(childBoundable.getItem())}else{jsts.util.Assert.shouldNeverReachHere()}}};jsts.index.strtree.AbstractSTRtree.prototype.getIntersectsOp=function(){throw new jsts.error.AbstractMethodInvocationError};jsts.index.strtree.AbstractSTRtree.prototype.itemsTree=function(){if(arguments.length===1){return this.itemsTree2.apply(this,arguments)}if(!this.built){this.build()}var valuesTree=this.itemsTree2(this.root);if(valuesTree===null)return[];return valuesTree};jsts.index.strtree.AbstractSTRtree.prototype.itemsTree2=function(node){var valuesTreeForNode=[];var childBoundables=node.getChildBoundables();for(var i=0;i<childBoundables.length;i++){var childBoundable=childBoundables[i];if(childBoundable instanceof jsts.index.strtree.AbstractNode){var valuesTreeForChild=this.itemsTree(childBoundable);
if(valuesTreeForChild!=null)valuesTreeForNode.push(valuesTreeForChild)}else if(childBoundable instanceof jsts.index.strtree.ItemBoundable){valuesTreeForNode.push(childBoundable.getItem())}else{jsts.util.Assert.shouldNeverReachHere()}}if(valuesTreeForNode.length<=0)return null;return valuesTreeForNode};jsts.index.strtree.AbstractSTRtree.prototype.remove=function(searchBounds,item){if(!this.built){this.build()}if(this.itemBoundables.length===0){jsts.util.Assert.isTrue(this.root.getBounds()==null)}if(this.getIntersectsOp().intersects(this.root.getBounds(),searchBounds)){return this.remove2(searchBounds,this.root,item)}return false};jsts.index.strtree.AbstractSTRtree.prototype.remove2=function(searchBounds,node,item){var found=this.removeItem(node,item);if(found)return true;var childToPrune=null;var childBoundables=node.getChildBoundables();for(var i=0;i<childBoundables.length;i++){var childBoundable=childBoundables[i];if(!this.getIntersectsOp().intersects(childBoundable.getBounds(),searchBounds)){continue}if(childBoundable instanceof jsts.index.strtree.AbstractNode){found=this.remove(searchBounds,childBoundable,item);if(found){childToPrune=childBoundable;break}}}if(childToPrune!=null){if(childToPrune.getChildBoundables().length===0){childBoundables.splice(childBoundables.indexOf(childToPrune),1)}}return found};jsts.index.strtree.AbstractSTRtree.prototype.removeItem=function(node,item){var childToRemove=null;var childBoundables=node.getChildBoundables();for(var i=0;i<childBoundables.length;i++){var childBoundable=childBoundables[i];if(childBoundable instanceof jsts.index.strtree.ItemBoundable){if(childBoundable.getItem()===item)childToRemove=childBoundable}}if(childToRemove!==null){childBoundables.splice(childBoundables.indexOf(childToRemove),1);return true}return false};jsts.index.strtree.AbstractSTRtree.prototype.boundablesAtLevel=function(level){if(arguments.length>1){this.boundablesAtLevel2.apply(this,arguments);return}var boundables=[];this.boundablesAtLevel2(level,this.root,boundables);return boundables};jsts.index.strtree.AbstractSTRtree.prototype.boundablesAtLevel2=function(level,top,boundables){jsts.util.Assert.isTrue(level>-2);if(top.getLevel()===level){boundables.add(top);return}var childBoundables=node.getChildBoundables();for(var i=0;i<childBoundables.length;i++){var boundable=childBoundables[i];if(boundable instanceof jsts.index.strtree.AbstractNode){this.boundablesAtLevel(level,boundable,boundables)}else{jsts.util.Assert.isTrue(boundable instanceof jsts.index.strtree.ItemBoundable);if(level===-1){boundables.add(boundable)}}}return};jsts.index.strtree.AbstractSTRtree.prototype.getComparator=function(){throw new jsts.error.AbstractMethodInvocationError};jsts.index.strtree.STRtree=function(nodeCapacity){nodeCapacity=nodeCapacity||jsts.index.strtree.STRtree.DEFAULT_NODE_CAPACITY;jsts.index.strtree.AbstractSTRtree.call(this,nodeCapacity)};jsts.index.strtree.STRtree.prototype=new jsts.index.strtree.AbstractSTRtree;jsts.index.strtree.STRtree.constructor=jsts.index.strtree.STRtree;jsts.index.strtree.STRtree.prototype.xComparator=function(o1,o2){return jsts.index.strtree.AbstractSTRtree.prototype.compareDoubles(jsts.index.strtree.STRtree.prototype.centreX(o1.getBounds()),jsts.index.strtree.STRtree.prototype.centreX(o2.getBounds()))};jsts.index.strtree.STRtree.prototype.yComparator=function(o1,o2){return jsts.index.strtree.AbstractSTRtree.prototype.compareDoubles(jsts.index.strtree.STRtree.prototype.centreY(o1.getBounds()),jsts.index.strtree.STRtree.prototype.centreY(o2.getBounds()))};jsts.index.strtree.STRtree.prototype.centreX=function(e){return jsts.index.strtree.STRtree.prototype.avg(e.getMinX(),e.getMaxX())};jsts.index.strtree.STRtree.prototype.centreY=function(e){return jsts.index.strtree.STRtree.prototype.avg(e.getMinY(),e.getMaxY())};jsts.index.strtree.STRtree.prototype.avg=function(a,b){return(a+b)/2};jsts.index.strtree.STRtree.prototype.intersectsOp={intersects:function(aBounds,bBounds){return aBounds.intersects(bBounds)}};jsts.index.strtree.STRtree.prototype.createParentBoundables=function(childBoundables,newLevel){jsts.util.Assert.isTrue(!(childBoundables.length===0));var minLeafCount=Math.ceil(childBoundables.length/this.getNodeCapacity());var sortedChildBoundables=[];for(var i=0;i<childBoundables.length;i++){sortedChildBoundables.push(childBoundables[i])}sortedChildBoundables.sort(this.xComparator);var verticalSlices=this.verticalSlices(sortedChildBoundables,Math.ceil(Math.sqrt(minLeafCount)));return this.createParentBoundablesFromVerticalSlices(verticalSlices,newLevel)};jsts.index.strtree.STRtree.prototype.createParentBoundablesFromVerticalSlices=function(verticalSlices,newLevel){jsts.util.Assert.isTrue(verticalSlices.length>0);var parentBoundables=[];for(var i=0;i<verticalSlices.length;i++){parentBoundables=parentBoundables.concat(this.createParentBoundablesFromVerticalSlice(verticalSlices[i],newLevel))}return parentBoundables};jsts.index.strtree.STRtree.prototype.createParentBoundablesFromVerticalSlice=function(childBoundables,newLevel){return jsts.index.strtree.AbstractSTRtree.prototype.createParentBoundables.call(this,childBoundables,newLevel)};jsts.index.strtree.STRtree.prototype.verticalSlices=function(childBoundables,sliceCount){var sliceCapacity=Math.ceil(childBoundables.length/sliceCount);var slices=[];var i=0,boundablesAddedToSlice,childBoundable;for(var j=0;j<sliceCount;j++){slices[j]=[];boundablesAddedToSlice=0;while(i<childBoundables.length&&boundablesAddedToSlice<sliceCapacity){childBoundable=childBoundables[i++];slices[j].push(childBoundable);boundablesAddedToSlice++}}return slices};jsts.index.strtree.STRtree.DEFAULT_NODE_CAPACITY=10;jsts.index.strtree.STRtree.prototype.createNode=function(level){var abstractNode=new jsts.index.strtree.AbstractNode(level);abstractNode.computeBounds=function(){var bounds=null;var childBoundables=this.getChildBoundables();for(var i=0;i<childBoundables.length;i++){var childBoundable=childBoundables[i];if(bounds===null){bounds=new jsts.geom.Envelope(childBoundable.getBounds())}else{bounds.expandToInclude(childBoundable.getBounds())}}return bounds};return abstractNode};jsts.index.strtree.STRtree.prototype.getIntersectsOp=function(){return this.intersectsOp};jsts.index.strtree.STRtree.prototype.insert=function(itemEnv,item){if(itemEnv.isNull()){return}jsts.index.strtree.AbstractSTRtree.prototype.insert.call(this,itemEnv,item)};jsts.index.strtree.STRtree.prototype.query=function(searchEnv,visitor){return jsts.index.strtree.AbstractSTRtree.prototype.query.apply(this,arguments)};jsts.index.strtree.STRtree.prototype.remove=function(itemEnv,item){return jsts.index.strtree.AbstractSTRtree.prototype.remove.call(this,itemEnv,item)};jsts.index.strtree.STRtree.prototype.size=function(){return jsts.index.strtree.AbstractSTRtree.prototype.size.call(this)};jsts.index.strtree.STRtree.prototype.depth=function(){return jsts.index.strtree.AbstractSTRtree.prototype.depth.call(this)};jsts.index.strtree.STRtree.prototype.getComparator=function(){return this.yComparator};jsts.index.strtree.STRtree.prototype.nearestNeighbour=function(itemDist){var bp=new jsts.index.strtree.BoundablePair(this.getRoot(),this.getRoot(),itemDist);return this.nearestNeighbour4(bp)};jsts.index.strtree.STRtree.prototype.nearestNeighbour2=function(env,item,itemDist){var bnd=new jsts.index.strtree.ItemBoundable(env,item);var bp=new jsts.index.strtree.BoundablePair(this.getRoot(),bnd,itemDist);return this.nearestNeighbour4(bp)[0]};jsts.index.strtree.STRtree.prototype.nearestNeighbour3=function(tree,itemDist){var bp=new jsts.index.strtree.BoundablePair(this.getRoot(),tree.getRoot(),itemDist);return this.nearestNeighbour4(bp)};jsts.index.strtree.STRtree.prototype.nearestNeighbour4=function(initBndPair){return this.nearestNeighbour5(initBndPair,Double.POSITIVE_INFINITY)};jsts.index.strtree.STRtree.prototype.nearestNeighbour5=function(initBndPair,maxDistance){var distanceLowerBound=maxDistance;var minPair=null;var priQ=[];priQ.push(initBndPair);while(!priQ.isEmpty()&&distanceLowerBound>0){var bndPair=priQ.pop();var currentDistance=bndPair.getDistance();if(currentDistance>=distanceLowerBound)break;if(bndPair.isLeaves()){distanceLowerBound=currentDistance;minPair=bndPair}else{bndPair.expandToQueue(priQ,distanceLowerBound)}}return[minPair.getBoundable(0).getItem(),minPair.getBoundable(1).getItem()]};jsts.noding.SegmentString=function(){};jsts.noding.SegmentString.prototype.getData=jsts.abstractFunc;jsts.noding.SegmentString.prototype.setData=jsts.abstractFunc;jsts.noding.SegmentString.prototype.size=jsts.abstractFunc;jsts.noding.SegmentString.prototype.getCoordinate=jsts.abstractFunc;jsts.noding.SegmentString.prototype.getCoordinates=jsts.abstractFunc;jsts.noding.SegmentString.prototype.isClosed=jsts.abstractFunc;jsts.noding.NodableSegmentString=function(){};jsts.noding.NodableSegmentString.prototype=new jsts.noding.SegmentString;jsts.noding.NodableSegmentString.prototype.addIntersection=jsts.abstractFunc;jsts.noding.NodedSegmentString=function(pts,data){this.nodeList=new jsts.noding.SegmentNodeList(this);this.pts=pts;this.data=data};jsts.noding.NodedSegmentString.prototype=new jsts.noding.NodableSegmentString;jsts.noding.NodedSegmentString.constructor=jsts.noding.NodedSegmentString;jsts.noding.NodedSegmentString.getNodedSubstrings=function(segStrings){if(arguments.length===2){jsts.noding.NodedSegmentString.getNodedSubstrings2.apply(this,arguments);return}var resultEdgelist=new javascript.util.ArrayList;jsts.noding.NodedSegmentString.getNodedSubstrings2(segStrings,resultEdgelist);return resultEdgelist};jsts.noding.NodedSegmentString.getNodedSubstrings2=function(segStrings,resultEdgelist){for(var i=segStrings.iterator();i.hasNext();){var ss=i.next();ss.getNodeList().addSplitEdges(resultEdgelist)}};jsts.noding.NodedSegmentString.prototype.nodeList=null;jsts.noding.NodedSegmentString.prototype.pts=null;jsts.noding.NodedSegmentString.prototype.data=null;jsts.noding.NodedSegmentString.prototype.getData=function(){return this.data};jsts.noding.NodedSegmentString.prototype.setData=function(data){this.data=data};jsts.noding.NodedSegmentString.prototype.getNodeList=function(){return this.nodeList};jsts.noding.NodedSegmentString.prototype.size=function(){return this.pts.length};jsts.noding.NodedSegmentString.prototype.getCoordinate=function(i){return this.pts[i]};jsts.noding.NodedSegmentString.prototype.getCoordinates=function(){return this.pts};jsts.noding.NodedSegmentString.prototype.isClosed=function(){return this.pts[0].equals(this.pts[this.pts.length-1])};jsts.noding.NodedSegmentString.prototype.getSegmentOctant=function(index){if(index===this.pts.length-1)return-1;return this.safeOctant(this.getCoordinate(index),this.getCoordinate(index+1))};jsts.noding.NodedSegmentString.prototype.safeOctant=function(p0,p1){if(p0.equals2D(p1))return 0;return jsts.noding.Octant.octant(p0,p1)};jsts.noding.NodedSegmentString.prototype.addIntersections=function(li,segmentIndex,geomIndex){for(var i=0;i<li.getIntersectionNum();i++){this.addIntersection(li,segmentIndex,geomIndex,i)}};jsts.noding.NodedSegmentString.prototype.addIntersection=function(li,segmentIndex,geomIndex,intIndex){if(li instanceof jsts.geom.Coordinate){this.addIntersection2.apply(this,arguments);return}var intPt=new jsts.geom.Coordinate(li.getIntersection(intIndex));this.addIntersection2(intPt,segmentIndex)};jsts.noding.NodedSegmentString.prototype.addIntersection2=function(intPt,segmentIndex){this.addIntersectionNode(intPt,segmentIndex)};jsts.noding.NodedSegmentString.prototype.addIntersectionNode=function(intPt,segmentIndex){var normalizedSegmentIndex=segmentIndex;var nextSegIndex=normalizedSegmentIndex+1;if(nextSegIndex<this.pts.length){var nextPt=this.pts[nextSegIndex];if(intPt.equals2D(nextPt)){normalizedSegmentIndex=nextSegIndex}}var ei=this.nodeList.add(intPt,normalizedSegmentIndex);return ei};jsts.noding.NodedSegmentString.prototype.toString=function(){var geometryFactory=new jsts.geom.GeometryFactory;return(new jsts.io.WKTWriter).write(geometryFactory.createLineString(this.pts))};jsts.index.chain.MonotoneChainBuilder=function(){};jsts.index.chain.MonotoneChainBuilder.toIntArray=function(list){var array=[];for(var i=0;i<list.length;i++){array[i]=list[i]}return array};jsts.index.chain.MonotoneChainBuilder.getChains=function(pts){if(arguments.length===2){return jsts.index.chain.MonotoneChainBuilder.getChains2.apply(this,arguments)}return jsts.index.chain.MonotoneChainBuilder.getChains2(pts,null)};jsts.index.chain.MonotoneChainBuilder.getChains2=function(pts,context){var mcList=[];var startIndex=jsts.index.chain.MonotoneChainBuilder.getChainStartIndices(pts);for(var i=0;i<startIndex.length-1;i++){var mc=new jsts.index.chain.MonotoneChain(pts,startIndex[i],startIndex[i+1],context);mcList.push(mc)}return mcList};jsts.index.chain.MonotoneChainBuilder.getChainStartIndices=function(pts){var start=0;var startIndexList=[];startIndexList.push(start);do{var last=jsts.index.chain.MonotoneChainBuilder.findChainEnd(pts,start);startIndexList.push(last);start=last}while(start<pts.length-1);var startIndex=jsts.index.chain.MonotoneChainBuilder.toIntArray(startIndexList);return startIndex};jsts.index.chain.MonotoneChainBuilder.findChainEnd=function(pts,start){var safeStart=start;while(safeStart<pts.length-1&&pts[safeStart].equals2D(pts[safeStart+1])){safeStart++}if(safeStart>=pts.length-1){return pts.length-1}var chainQuad=jsts.geomgraph.Quadrant.quadrant(pts[safeStart],pts[safeStart+1]);var last=start+1;while(last<pts.length){if(!pts[last-1].equals2D(pts[last])){var quad=jsts.geomgraph.Quadrant.quadrant(pts[last-1],pts[last]);if(quad!==chainQuad)break}last++}return last-1};jsts.geom.LineSegment=function(p0,p1){if(p0===undefined){this.p0=new jsts.geom.Coordinate;this.p1=new jsts.geom.Coordinate;return}this.p0=p0;this.p1=p1};jsts.geom.LineSegment.prototype.p0=null;jsts.geom.LineSegment.prototype.p1=null;jsts.geom.LineSegment.prototype.getLength=function(){return this.p0.distance(this.p1)};jsts.geom.LineSegment.prototype.isHorizontal=function(){return this.p0.y===this.p1.y};jsts.geom.LineSegment.prototype.isVertical=function(){return this.p0.x===this.p1.x};jsts.geom.LineSegment.prototype.reverse=function(){var temp=this.p0;this.p0=this.p1;this.p1=temp};jsts.geom.LineSegment.prototype.projectionFactor=function(p){if(p.equals(this.p0))return 0;if(p.equals(this.p1))return 1;var dx=this.p1.x-this.p0.x;var dy=this.p1.y-this.p0.y;var len2=dx*dx+dy*dy;var r=((p.x-this.p0.x)*dx+(p.y-this.p0.y)*dy)/len2;return r};jsts.geom.LineSegment.prototype.closestPoint=function(p){var factor=this.projectionFactor(p);if(factor>0&&factor<1){return this.project(p)}var dist0=this.p0.distance(p);var dist1=this.p1.distance(p);if(dist0<dist1)return this.p0;return this.p1};jsts.geom.LineSegment.prototype.closestPoints=function(line){var intPt=this.intersection(line);if(intPt!==null){return[intPt,intPt]}var closestPt=[];var minDistance=Number.MAX_VALUE;var dist;var close00=this.closestPoint(line.p0);minDistance=close00.distance(line.p0);closestPt[0]=close00;closestPt[1]=line.p0;var close01=this.closestPoint(line.p1);dist=close01.distance(line.p1);if(dist<minDistance){minDistance=dist;closestPt[0]=close01;closestPt[1]=line.p1}var close10=line.closestPoint(this.p0);dist=close10.distance(this.p0);if(dist<minDistance){minDistance=dist;closestPt[0]=this.p0;closestPt[1]=close10}var close11=line.closestPoint(this.p1);dist=close11.distance(this.p1);if(dist<minDistance){minDistance=dist;closestPt[0]=this.p1;closestPt[1]=close11}return closestPt};jsts.geom.LineSegment.prototype.intersection=function(line){var li=new jsts.algorithm.RobustLineIntersector;li.computeIntersection(this.p0,this.p1,line.p0,line.p1);if(li.hasIntersection())return li.getIntersection(0);return null};jsts.geom.LineSegment.prototype.project=function(p){if(p.equals(this.p0)||p.equals(this.p1))return new jsts.geom.Coordinate(p);var r=this.projectionFactor(p);var coord=new jsts.geom.Coordinate;coord.x=this.p0.x+r*(this.p1.x-this.p0.x);coord.y=this.p0.y+r*(this.p1.y-this.p0.y);return coord};jsts.geom.LineSegment.prototype.setCoordinates=function(ls){if(ls instanceof jsts.geom.Coordinate){this.setCoordinates2.apply(this,arguments);return}this.setCoordinates2(ls.p0,ls.p1)};jsts.geom.LineSegment.prototype.setCoordinates2=function(p0,p1){this.p0.x=p0.x;this.p0.y=p0.y;this.p1.x=p1.x;this.p1.y=p1.y};jsts.geom.LineSegment.prototype.distance=function(p){return jsts.algorithm.CGAlgorithms.distancePointLine(p,this.p0,this.p1)};jsts.index.chain.MonotoneChainOverlapAction=function(){this.tempEnv1=new jsts.geom.Envelope;this.tempEnv2=new jsts.geom.Envelope;this.overlapSeg1=new jsts.geom.LineSegment;this.overlapSeg2=new jsts.geom.LineSegment};jsts.index.chain.MonotoneChainOverlapAction.prototype.tempEnv1=null;jsts.index.chain.MonotoneChainOverlapAction.prototype.tempEnv2=null;jsts.index.chain.MonotoneChainOverlapAction.prototype.overlapSeg1=null;jsts.index.chain.MonotoneChainOverlapAction.prototype.overlapSeg2=null;jsts.index.chain.MonotoneChainOverlapAction.prototype.overlap=function(mc1,start1,mc2,start2){this.mc1.getLineSegment(start1,this.overlapSeg1);this.mc2.getLineSegment(start2,this.overlapSeg2);this.overlap2(this.overlapSeg1,this.overlapSeg2)};jsts.index.chain.MonotoneChainOverlapAction.prototype.overlap2=function(seg1,seg2){};(function(){var MonotoneChainOverlapAction=jsts.index.chain.MonotoneChainOverlapAction;var SinglePassNoder=jsts.noding.SinglePassNoder;var STRtree=jsts.index.strtree.STRtree;var NodedSegmentString=jsts.noding.NodedSegmentString;var MonotoneChainBuilder=jsts.index.chain.MonotoneChainBuilder;var SegmentOverlapAction=function(si){this.si=si};SegmentOverlapAction.prototype=new MonotoneChainOverlapAction;SegmentOverlapAction.constructor=SegmentOverlapAction;SegmentOverlapAction.prototype.si=null;SegmentOverlapAction.prototype.overlap=function(mc1,start1,mc2,start2){var ss1=mc1.getContext();var ss2=mc2.getContext();this.si.processIntersections(ss1,start1,ss2,start2)};jsts.noding.MCIndexNoder=function(){this.monoChains=[];this.index=new STRtree};jsts.noding.MCIndexNoder.prototype=new SinglePassNoder;jsts.noding.MCIndexNoder.constructor=jsts.noding.MCIndexNoder;jsts.noding.MCIndexNoder.prototype.monoChains=null;jsts.noding.MCIndexNoder.prototype.index=null;jsts.noding.MCIndexNoder.prototype.idCounter=0;jsts.noding.MCIndexNoder.prototype.nodedSegStrings=null;jsts.noding.MCIndexNoder.prototype.nOverlaps=0;jsts.noding.MCIndexNoder.prototype.getMonotoneChains=function(){return this.monoChains};jsts.noding.MCIndexNoder.prototype.getIndex=function(){return this.index};jsts.noding.MCIndexNoder.prototype.getNodedSubstrings=function(){return NodedSegmentString.getNodedSubstrings(this.nodedSegStrings)};jsts.noding.MCIndexNoder.prototype.computeNodes=function(inputSegStrings){this.nodedSegStrings=inputSegStrings;for(var i=inputSegStrings.iterator();i.hasNext();){this.add(i.next())}this.intersectChains()};jsts.noding.MCIndexNoder.prototype.intersectChains=function(){var overlapAction=new SegmentOverlapAction(this.segInt);for(var i=0;i<this.monoChains.length;i++){var queryChain=this.monoChains[i];var overlapChains=this.index.query(queryChain.getEnvelope());for(var j=0;j<overlapChains.length;j++){var testChain=overlapChains[j];if(testChain.getId()>queryChain.getId()){queryChain.computeOverlaps(testChain,overlapAction);this.nOverlaps++}if(this.segInt.isDone())return}}};jsts.noding.MCIndexNoder.prototype.add=function(segStr){var segChains=MonotoneChainBuilder.getChains(segStr.getCoordinates(),segStr);for(var i=0;i<segChains.length;i++){var mc=segChains[i];mc.setId(this.idCounter++);this.index.insert(mc.getEnvelope(),mc);this.monoChains.push(mc)}}})();jsts.simplify.LineSegmentIndex=function(){this.index=new jsts.index.quadtree.Quadtree};jsts.simplify.LineSegmentIndex.prototype.index=null;jsts.simplify.LineSegmentIndex.prototype.add=function(line){if(line instanceof jsts.geom.LineSegment){this.add2(line);return}var segs=line.getSegments();for(var i=0;i<segs.length;i++){var seg=segs[i];this.add2(seg)}};jsts.simplify.LineSegmentIndex.prototype.add2=function(seg){this.index.insert(new jsts.geom.Envelope(seg.p0,seg.p1),seg)};jsts.simplify.LineSegmentIndex.prototype.remove=function(seg){this.index.remove(new jsts.geom.Envelope(seg.p0,seg.p1),seg)};jsts.simplify.LineSegmentIndex.prototype.query=function(querySeg){var env=new jsts.geom.Envelope(querySeg.p0,querySeg.p1);var visitor=new jsts.simplify.LineSegmentIndex.LineSegmentVisitor(querySeg);this.index.query(env,visitor);var itemsFound=visitor.getItems();return itemsFound};jsts.simplify.LineSegmentIndex.LineSegmentVisitor=function(querySeg){this.items=[];this.querySeg=querySeg};jsts.simplify.LineSegmentIndex.LineSegmentVisitor.prototype=new jsts.index.ItemVisitor;jsts.simplify.LineSegmentIndex.LineSegmentVisitor.prototype.querySeg=null;jsts.simplify.LineSegmentIndex.LineSegmentVisitor.prototype.items=null;jsts.simplify.LineSegmentIndex.LineSegmentVisitor.prototype.visitItem=function(item){var seg=item;if(jsts.geom.Envelope.intersects(seg.p0,seg.p1,this.querySeg.p0,this.querySeg.p1))this.items.push(item)};jsts.simplify.LineSegmentIndex.LineSegmentVisitor.prototype.getItems=function(){return this.items};jsts.geomgraph.EdgeEndStar=function(){this.edgeMap=new javascript.util.TreeMap;this.edgeList=null;this.ptInAreaLocation=[jsts.geom.Location.NONE,jsts.geom.Location.NONE]};jsts.geomgraph.EdgeEndStar.prototype.edgeMap=null;jsts.geomgraph.EdgeEndStar.prototype.edgeList=null;jsts.geomgraph.EdgeEndStar.prototype.ptInAreaLocation=null;jsts.geomgraph.EdgeEndStar.prototype.insert=function(e){throw new jsts.error.AbstractMethodInvocationError};jsts.geomgraph.EdgeEndStar.prototype.insertEdgeEnd=function(e,obj){this.edgeMap.put(e,obj);this.edgeList=null};jsts.geomgraph.EdgeEndStar.prototype.getCoordinate=function(){var it=this.iterator();if(!it.hasNext())return null;var e=it.next();return e.getCoordinate()};jsts.geomgraph.EdgeEndStar.prototype.getDegree=function(){return this.edgeMap.size()};jsts.geomgraph.EdgeEndStar.prototype.iterator=function(){return this.getEdges().iterator()};jsts.geomgraph.EdgeEndStar.prototype.getEdges=function(){if(this.edgeList===null){this.edgeList=new javascript.util.ArrayList(this.edgeMap.values())}return this.edgeList};jsts.geomgraph.EdgeEndStar.prototype.getNextCW=function(ee){this.getEdges();var i=this.edgeList.indexOf(ee);var iNextCW=i-1;if(i===0)iNextCW=this.edgeList.length-1;return this.edgeList[iNextCW]};jsts.geomgraph.EdgeEndStar.prototype.computeLabelling=function(geomGraph){this.computeEdgeEndLabels(geomGraph[0].getBoundaryNodeRule());this.propagateSideLabels(0);this.propagateSideLabels(1);var hasDimensionalCollapseEdge=[false,false];for(var it=this.iterator();it.hasNext();){var e=it.next();var label=e.getLabel();for(var geomi=0;geomi<2;geomi++){if(label.isLine(geomi)&&label.getLocation(geomi)===jsts.geom.Location.BOUNDARY)hasDimensionalCollapseEdge[geomi]=true}}for(var it=this.iterator();it.hasNext();){var e=it.next();var label=e.getLabel();for(var geomi=0;geomi<2;geomi++){if(label.isAnyNull(geomi)){var loc=jsts.geom.Location.NONE;if(hasDimensionalCollapseEdge[geomi]){loc=jsts.geom.Location.EXTERIOR}else{var p=e.getCoordinate();loc=this.getLocation(geomi,p,geomGraph)}label.setAllLocationsIfNull(geomi,loc)}}}};jsts.geomgraph.EdgeEndStar.prototype.computeEdgeEndLabels=function(boundaryNodeRule){for(var it=this.iterator();it.hasNext();){var ee=it.next();ee.computeLabel(boundaryNodeRule)}};jsts.geomgraph.EdgeEndStar.prototype.getLocation=function(geomIndex,p,geom){if(this.ptInAreaLocation[geomIndex]===jsts.geom.Location.NONE){this.ptInAreaLocation[geomIndex]=jsts.algorithm.locate.SimplePointInAreaLocator.locate(p,geom[geomIndex].getGeometry())}return this.ptInAreaLocation[geomIndex]};jsts.geomgraph.EdgeEndStar.prototype.isAreaLabelsConsistent=function(geomGraph){this.computeEdgeEndLabels(geomGraph.getBoundaryNodeRule());return this.checkAreaLabelsConsistent(0)};jsts.geomgraph.EdgeEndStar.prototype.checkAreaLabelsConsistent=function(geomIndex){var edges=this.getEdges();if(edges.size()<=0)return true;var lastEdgeIndex=edges.size()-1;var startLabel=edges.get(lastEdgeIndex).getLabel();var startLoc=startLabel.getLocation(geomIndex,jsts.geomgraph.Position.LEFT);jsts.util.Assert.isTrue(startLoc!=jsts.geom.Location.NONE,"Found unlabelled area edge");var currLoc=startLoc;for(var it=this.iterator();it.hasNext();){var e=it.next();var label=e.getLabel();jsts.util.Assert.isTrue(label.isArea(geomIndex),"Found non-area edge");var leftLoc=label.getLocation(geomIndex,jsts.geomgraph.Position.LEFT);var rightLoc=label.getLocation(geomIndex,jsts.geomgraph.Position.RIGHT);if(leftLoc===rightLoc){return false}if(rightLoc!==currLoc){return false}currLoc=leftLoc}return true};jsts.geomgraph.EdgeEndStar.prototype.propagateSideLabels=function(geomIndex){var startLoc=jsts.geom.Location.NONE;for(var it=this.iterator();it.hasNext();){var e=it.next();var label=e.getLabel();if(label.isArea(geomIndex)&&label.getLocation(geomIndex,jsts.geomgraph.Position.LEFT)!==jsts.geom.Location.NONE)startLoc=label.getLocation(geomIndex,jsts.geomgraph.Position.LEFT)}if(startLoc===jsts.geom.Location.NONE)return;var currLoc=startLoc;for(var it=this.iterator();it.hasNext();){var e=it.next();var label=e.getLabel();if(label.getLocation(geomIndex,jsts.geomgraph.Position.ON)===jsts.geom.Location.NONE)label.setLocation(geomIndex,jsts.geomgraph.Position.ON,currLoc);if(label.isArea(geomIndex)){var leftLoc=label.getLocation(geomIndex,jsts.geomgraph.Position.LEFT);var rightLoc=label.getLocation(geomIndex,jsts.geomgraph.Position.RIGHT);if(rightLoc!==jsts.geom.Location.NONE){if(rightLoc!==currLoc)throw new jsts.error.TopologyError("side location conflict",e.getCoordinate());if(leftLoc===jsts.geom.Location.NONE){jsts.util.Assert.shouldNeverReachHere("found single null side (at "+e.getCoordinate()+")")}currLoc=leftLoc}else{jsts.util.Assert.isTrue(label.getLocation(geomIndex,jsts.geomgraph.Position.LEFT)===jsts.geom.Location.NONE,"found single null side");label.setLocation(geomIndex,jsts.geomgraph.Position.RIGHT,currLoc);label.setLocation(geomIndex,jsts.geomgraph.Position.LEFT,currLoc)}}}};jsts.geomgraph.EdgeEndStar.prototype.findIndex=function(eSearch){this.iterator();for(var i=0;i<this.edgeList.size();i++){var e=this.edgeList.get(i);if(e===eSearch)return i}return-1};jsts.operation.relate.EdgeEndBundleStar=function(){jsts.geomgraph.EdgeEndStar.apply(this,arguments)};jsts.operation.relate.EdgeEndBundleStar.prototype=new jsts.geomgraph.EdgeEndStar;jsts.operation.relate.EdgeEndBundleStar.prototype.insert=function(e){var eb=this.edgeMap.get(e);if(eb===null){eb=new jsts.operation.relate.EdgeEndBundle(e);this.insertEdgeEnd(e,eb)}else{eb.insert(e)}};jsts.operation.relate.EdgeEndBundleStar.prototype.updateIM=function(im){for(var it=this.iterator();it.hasNext();){var esb=it.next();esb.updateIM(im)}};jsts.index.ArrayListVisitor=function(){this.items=[]};jsts.index.ArrayListVisitor.prototype.visitItem=function(item){this.items.push(item)};jsts.index.ArrayListVisitor.prototype.getItems=function(){return this.items};jsts.algorithm.distance.DistanceToPoint=function(){};jsts.algorithm.distance.DistanceToPoint.computeDistance=function(geom,pt,ptDist){if(geom instanceof jsts.geom.LineString){jsts.algorithm.distance.DistanceToPoint.computeDistance2(geom,pt,ptDist)}else if(geom instanceof jsts.geom.Polygon){jsts.algorithm.distance.DistanceToPoint.computeDistance4(geom,pt,ptDist)}else if(geom instanceof jsts.geom.GeometryCollection){var gc=geom;for(var i=0;i<gc.getNumGeometries();i++){var g=gc.getGeometryN(i);jsts.algorithm.distance.DistanceToPoint.computeDistance(g,pt,ptDist)}}else{ptDist.setMinimum(geom.getCoordinate(),pt)}};jsts.algorithm.distance.DistanceToPoint.computeDistance2=function(line,pt,ptDist){var tempSegment=new jsts.geom.LineSegment;var coords=line.getCoordinates();for(var i=0;i<coords.length-1;i++){tempSegment.setCoordinates(coords[i],coords[i+1]);var closestPt=tempSegment.closestPoint(pt);ptDist.setMinimum(closestPt,pt)}};jsts.algorithm.distance.DistanceToPoint.computeDistance3=function(segment,pt,ptDist){var closestPt=segment.closestPoint(pt);ptDist.setMinimum(closestPt,pt)};jsts.algorithm.distance.DistanceToPoint.computeDistance4=function(poly,pt,ptDist){jsts.algorithm.distance.DistanceToPoint.computeDistance2(poly.getExteriorRing(),pt,ptDist);for(var i=0;i<poly.getNumInteriorRing();i++){jsts.algorithm.distance.DistanceToPoint.computeDistance2(poly.getInteriorRingN(i),pt,ptDist)}};jsts.index.strtree.ItemBoundable=function(bounds,item){this.bounds=bounds;this.item=item};jsts.index.strtree.ItemBoundable.prototype=new jsts.index.strtree.Boundable;jsts.index.strtree.ItemBoundable.constructor=jsts.index.strtree.ItemBoundable;jsts.index.strtree.ItemBoundable.prototype.bounds=null;jsts.index.strtree.ItemBoundable.prototype.item=null;jsts.index.strtree.ItemBoundable.prototype.getBounds=function(){return this.bounds};jsts.index.strtree.ItemBoundable.prototype.getItem=function(){return this.item};(function(){var ArrayList=javascript.util.ArrayList;var TreeMap=javascript.util.TreeMap;jsts.geomgraph.EdgeList=function(){this.edges=new ArrayList;this.ocaMap=new TreeMap};jsts.geomgraph.EdgeList.prototype.edges=null;jsts.geomgraph.EdgeList.prototype.ocaMap=null;jsts.geomgraph.EdgeList.prototype.add=function(e){this.edges.add(e);var oca=new jsts.noding.OrientedCoordinateArray(e.getCoordinates());this.ocaMap.put(oca,e)};jsts.geomgraph.EdgeList.prototype.addAll=function(edgeColl){for(var i=edgeColl.iterator();i.hasNext();){this.add(i.next())}};jsts.geomgraph.EdgeList.prototype.getEdges=function(){return this.edges};jsts.geomgraph.EdgeList.prototype.findEqualEdge=function(e){var oca=new jsts.noding.OrientedCoordinateArray(e.getCoordinates());var matchEdge=this.ocaMap.get(oca);return matchEdge};jsts.geomgraph.EdgeList.prototype.getEdges=function(){return this.edges};jsts.geomgraph.EdgeList.prototype.iterator=function(){return this.edges.iterator()};jsts.geomgraph.EdgeList.prototype.get=function(i){return this.edges.get(i)};jsts.geomgraph.EdgeList.prototype.findEdgeIndex=function(e){for(var i=0;i<this.edges.size();i++){if(this.edges.get(i).equals(e))return i}return-1}})();jsts.operation.IsSimpleOp=function(geom){this.geom=geom};jsts.operation.IsSimpleOp.prototype.geom=null;jsts.operation.IsSimpleOp.prototype.isClosedEndpointsInInterior=true;jsts.operation.IsSimpleOp.prototype.nonSimpleLocation=null;jsts.operation.IsSimpleOp.prototype.IsSimpleOp=function(geom){this.geom=geom};jsts.operation.IsSimpleOp.prototype.isSimple=function(){this.nonSimpleLocation=null;if(this.geom instanceof jsts.geom.LineString){return this.isSimpleLinearGeometry(this.geom)}if(this.geom instanceof jsts.geom.MultiLineString){return this.isSimpleLinearGeometry(this.geom)}if(this.geom instanceof jsts.geom.MultiPoint){return this.isSimpleMultiPoint(this.geom)}return true};jsts.operation.IsSimpleOp.prototype.isSimpleMultiPoint=function(mp){if(mp.isEmpty())return true;var points=[];for(var i=0;i<mp.getNumGeometries();i++){var pt=mp.getGeometryN(i);var p=pt.getCoordinate();for(var j=0;j<points.length;j++){var point=points[j];if(p.equals2D(point)){this.nonSimpleLocation=p;return false}}points.push(p)}return true};jsts.operation.IsSimpleOp.prototype.isSimpleLinearGeometry=function(geom){if(geom.isEmpty())return true;var graph=new jsts.geomgraph.GeometryGraph(0,geom);var li=new jsts.algorithm.RobustLineIntersector;var si=graph.computeSelfNodes(li,true);if(!si.hasIntersection())return true;if(si.hasProperIntersection()){this.nonSimpleLocation=si.getProperIntersectionPoint();return false}if(this.hasNonEndpointIntersection(graph))return false;if(this.isClosedEndpointsInInterior){if(this.hasClosedEndpointIntersection(graph))return false}return true};jsts.operation.IsSimpleOp.prototype.hasNonEndpointIntersection=function(graph){for(var i=graph.getEdgeIterator();i.hasNext();){var e=i.next();var maxSegmentIndex=e.getMaximumSegmentIndex();for(var eiIt=e.getEdgeIntersectionList().iterator();eiIt.hasNext();){var ei=eiIt.next();
if(!ei.isEndPoint(maxSegmentIndex)){this.nonSimpleLocation=ei.getCoordinate();return true}}}return false};jsts.operation.IsSimpleOp.prototype.hasClosedEndpointIntersection=function(graph){var endPoints=new javascript.util.TreeMap;for(var i=graph.getEdgeIterator();i.hasNext();){var e=i.next();var maxSegmentIndex=e.getMaximumSegmentIndex();var isClosed=e.isClosed();var p0=e.getCoordinate(0);this.addEndpoint(endPoints,p0,isClosed);var p1=e.getCoordinate(e.getNumPoints()-1);this.addEndpoint(endPoints,p1,isClosed)}for(var i=endPoints.values().iterator();i.hasNext();){var eiInfo=i.next();if(eiInfo.isClosed&&eiInfo.degree!=2){this.nonSimpleLocation=eiInfo.getCoordinate();return true}}return false};jsts.operation.IsSimpleOp.EndpointInfo=function(pt){this.pt=pt;this.isClosed=false;this.degree=0};jsts.operation.IsSimpleOp.EndpointInfo.prototype.pt=null;jsts.operation.IsSimpleOp.EndpointInfo.prototype.isClosed=null;jsts.operation.IsSimpleOp.EndpointInfo.prototype.degree=null;jsts.operation.IsSimpleOp.EndpointInfo.prototype.getCoordinate=function(){return this.pt};jsts.operation.IsSimpleOp.EndpointInfo.prototype.addEndpoint=function(isClosed){this.degree++;this.isClosed=this.isClosed||isClosed};jsts.operation.IsSimpleOp.prototype.addEndpoint=function(endPoints,p,isClosed){var eiInfo=endPoints.get(p);if(eiInfo===null){eiInfo=new jsts.operation.IsSimpleOp.EndpointInfo(p);endPoints.put(p,eiInfo)}eiInfo.addEndpoint(isClosed)};(function(){var LineStringSnapper=function(){this.snapTolerance=0;this.seg=new jsts.geom.LineSegment;this.allowSnappingToSourceVertices=false;this.isClosed=false;this.srcPts=[];if(arguments[0]instanceof jsts.geom.LineString){this.initFromLine.apply(this,arguments)}else{this.initFromPoints.apply(this,arguments)}};LineStringSnapper.prototype.initFromLine=function(srcLine,snapTolerance){this.initFromPoints(srcLine.getCoordinates(),snapTolerance)};LineStringSnapper.prototype.initFromPoints=function(srcPts,snapTolerance){this.srcPts=srcPts;this.isClosed=this.calcIsClosed(srcPts);this.snapTolerance=snapTolerance};LineStringSnapper.prototype.setAllowSnappingToSourceVertices=function(allowSnappingToSourceVertices){this.allowSnappingToSourceVertices=allowSnappingToSourceVertices};LineStringSnapper.prototype.calcIsClosed=function(pts){if(pts.length<=1){return false}return pts[0].equals(pts[pts.length-1])};LineStringSnapper.prototype.snapTo=function(snapPts){var coordList=new jsts.geom.CoordinateList(this.srcPts);this.snapVertices(coordList,snapPts);this.snapSegments(coordList,snapPts);return coordList.toCoordinateArray()};LineStringSnapper.prototype.snapVertices=function(srcCoords,snapPts){var end=this.isClosed?srcCoords.size()-1:srcCoords.size(),i=0,srcPt,snapVert;for(i;i<end;i++){srcPt=srcCoords.get(i);snapVert=this.findSnapForVertex(srcPt,snapPts);if(snapVert!==null){srcCoords.set(i,new jsts.geom.Coordinate(snapVert));if(i===0&&this.isClosed)srcCoords.set(srcCoords.size()-1,new jsts.geom.Coordinate(snapVert))}}};LineStringSnapper.prototype.findSnapForVertex=function(pt,snapPts){var i=0,il=snapPts.length;for(i=0;i<il;i++){if(pt.equals(snapPts[i])){return null}if(pt.distance(snapPts[i])<this.snapTolerance){return snapPts[i]}}return null};LineStringSnapper.prototype.snapSegments=function(srcCoords,snapPts){if(snapPts.length===0){return}var distinctPtCount=snapPts.length,i,snapPt,index;if(snapPts.length>1&&snapPts[0].equals2D(snapPts[snapPts.length-1])){distinctPtCount=snapPts.length-1}i=0;for(i;i<distinctPtCount;i++){snapPt=snapPts[i];index=this.findSegmentIndexToSnap(snapPt,srcCoords);if(index>=0){srcCoords.add(index+1,new jsts.geom.Coordinate(snapPt),false)}}};LineStringSnapper.prototype.findSegmentIndexToSnap=function(snapPt,srcCoords){var minDist=Number.MAX_VALUE,snapIndex=-1,i=0,dist;for(i;i<srcCoords.size()-1;i++){this.seg.p0=srcCoords.get(i);this.seg.p1=srcCoords.get(i+1);if(this.seg.p0.equals(snapPt)||this.seg.p1.equals(snapPt)){if(this.allowSnappingToSourceVertices){continue}else{return-1}}dist=this.seg.distance(snapPt);if(dist<this.snapTolerance&&dist<minDist){minDist=dist;snapIndex=i}}return snapIndex};jsts.operation.overlay.snap.LineStringSnapper=LineStringSnapper})();(function(){var ArrayList=javascript.util.ArrayList;var GeometryComponentFilter=jsts.geom.GeometryComponentFilter;var LineString=jsts.geom.LineString;var EdgeRing=jsts.operation.polygonize.EdgeRing;var PolygonizeGraph=jsts.operation.polygonize.PolygonizeGraph;var Polygonizer=function(){var that=this;var LineStringAdder=function(){};LineStringAdder.prototype=new GeometryComponentFilter;LineStringAdder.prototype.filter=function(g){if(g instanceof LineString)that.add(g)};this.lineStringAdder=new LineStringAdder;this.dangles=new ArrayList;this.cutEdges=new ArrayList;this.invalidRingLines=new ArrayList};Polygonizer.prototype.lineStringAdder=null;Polygonizer.prototype.graph=null;Polygonizer.prototype.dangles=null;Polygonizer.prototype.cutEdges=null;Polygonizer.prototype.invalidRingLines=null;Polygonizer.prototype.holeList=null;Polygonizer.prototype.shellList=null;Polygonizer.prototype.polyList=null;Polygonizer.prototype.add=function(geomList){if(geomList instanceof jsts.geom.LineString){return this.add3(geomList)}else if(geomList instanceof jsts.geom.Geometry){return this.add2(geomList)}for(var i=geomList.iterator();i.hasNext();){var geometry=i.next();this.add2(geometry)}};Polygonizer.prototype.add2=function(g){g.apply(this.lineStringAdder)};Polygonizer.prototype.add3=function(line){if(this.graph==null)this.graph=new PolygonizeGraph(line.getFactory());this.graph.addEdge(line)};Polygonizer.prototype.getPolygons=function(){this.polygonize();return this.polyList};Polygonizer.prototype.getDangles=function(){this.polygonize();return this.dangles};Polygonizer.prototype.getCutEdges=function(){this.polygonize();return this.cutEdges};Polygonizer.prototype.getInvalidRingLines=function(){this.polygonize();return this.invalidRingLines};Polygonizer.prototype.polygonize=function(){if(this.polyList!=null)return;this.polyList=new ArrayList;if(this.graph==null)return;this.dangles=this.graph.deleteDangles();this.cutEdges=this.graph.deleteCutEdges();var edgeRingList=this.graph.getEdgeRings();var validEdgeRingList=new ArrayList;this.invalidRingLines=new ArrayList;this.findValidRings(edgeRingList,validEdgeRingList,this.invalidRingLines);this.findShellsAndHoles(validEdgeRingList);Polygonizer.assignHolesToShells(this.holeList,this.shellList);this.polyList=new ArrayList;for(var i=this.shellList.iterator();i.hasNext();){var er=i.next();this.polyList.add(er.getPolygon())}};Polygonizer.prototype.findValidRings=function(edgeRingList,validEdgeRingList,invalidRingList){for(var i=edgeRingList.iterator();i.hasNext();){var er=i.next();if(er.isValid())validEdgeRingList.add(er);else invalidRingList.add(er.getLineString())}};Polygonizer.prototype.findShellsAndHoles=function(edgeRingList){this.holeList=new ArrayList;this.shellList=new ArrayList;for(var i=edgeRingList.iterator();i.hasNext();){var er=i.next();if(er.isHole())this.holeList.add(er);else this.shellList.add(er)}};Polygonizer.assignHolesToShells=function(holeList,shellList){for(var i=holeList.iterator();i.hasNext();){var holeER=i.next();Polygonizer.assignHoleToShell(holeER,shellList)}};Polygonizer.assignHoleToShell=function(holeER,shellList){var shell=EdgeRing.findEdgeRingContaining(holeER,shellList);if(shell!=null)shell.addHole(holeER.getRing())};jsts.operation.polygonize.Polygonizer=Polygonizer})();(function(){var ArrayList=javascript.util.ArrayList;var GeometryTransformer=function(){};GeometryTransformer.prototype.inputGeom=null;GeometryTransformer.prototype.factory=null;GeometryTransformer.prototype.pruneEmptyGeometry=true;GeometryTransformer.prototype.preserveGeometryCollectionType=true;GeometryTransformer.prototype.preserveCollections=false;GeometryTransformer.prototype.reserveType=false;GeometryTransformer.prototype.getInputGeometry=function(){return this.inputGeom};GeometryTransformer.prototype.transform=function(inputGeom){this.inputGeom=inputGeom;this.factory=inputGeom.getFactory();if(inputGeom instanceof jsts.geom.Point)return this.transformPoint(inputGeom,null);if(inputGeom instanceof jsts.geom.MultiPoint)return this.transformMultiPoint(inputGeom,null);if(inputGeom instanceof jsts.geom.LinearRing)return this.transformLinearRing(inputGeom,null);if(inputGeom instanceof jsts.geom.LineString)return this.transformLineString(inputGeom,null);if(inputGeom instanceof jsts.geom.MultiLineString)return this.transformMultiLineString(inputGeom,null);if(inputGeom instanceof jsts.geom.Polygon)return this.transformPolygon(inputGeom,null);if(inputGeom instanceof jsts.geom.MultiPolygon)return this.transformMultiPolygon(inputGeom,null);if(inputGeom instanceof jsts.geom.GeometryCollection)return this.transformGeometryCollection(inputGeom,null);throw new jsts.error.IllegalArgumentException("Unknown Geometry subtype: "+inputGeom.getClass().getName())};GeometryTransformer.prototype.createCoordinateSequence=function(coords){return this.factory.getCoordinateSequenceFactory().create(coords)};GeometryTransformer.prototype.copy=function(seq){return seq.clone()};GeometryTransformer.prototype.transformCoordinates=function(coords,parent){return this.copy(coords)};GeometryTransformer.prototype.transformPoint=function(geom,parent){return this.factory.createPoint(this.transformCoordinates(geom.getCoordinateSequence(),geom))};GeometryTransformer.prototype.transformMultiPoint=function(geom,parent){var transGeomList=new ArrayList;for(var i=0;i<geom.getNumGeometries();i++){var transformGeom=this.transformPoint(geom.getGeometryN(i),geom);if(transformGeom==null)continue;if(transformGeom.isEmpty())continue;transGeomList.add(transformGeom)}return this.factory.buildGeometry(transGeomList)};GeometryTransformer.prototype.transformLinearRing=function(geom,parent){var seq=this.transformCoordinates(geom.getCoordinateSequence(),geom);var seqSize=seq.length;if(seqSize>0&&seqSize<4&&!this.preserveType)return this.factory.createLineString(seq);return this.factory.createLinearRing(seq)};GeometryTransformer.prototype.transformLineString=function(geom,parent){return this.factory.createLineString(this.transformCoordinates(geom.getCoordinateSequence(),geom))};GeometryTransformer.prototype.transformMultiLineString=function(geom,parent){var transGeomList=new ArrayList;for(var i=0;i<geom.getNumGeometries();i++){var transformGeom=this.transformLineString(geom.getGeometryN(i),geom);if(transformGeom==null)continue;if(transformGeom.isEmpty())continue;transGeomList.add(transformGeom)}return this.factory.buildGeometry(transGeomList)};GeometryTransformer.prototype.transformPolygon=function(geom,parent){var isAllValidLinearRings=true;var shell=this.transformLinearRing(geom.getExteriorRing(),geom);if(shell==null||!(shell instanceof jsts.geom.LinearRing)||shell.isEmpty())isAllValidLinearRings=false;var holes=new ArrayList;for(var i=0;i<geom.getNumInteriorRing();i++){var hole=this.transformLinearRing(geom.getInteriorRingN(i),geom);if(hole==null||hole.isEmpty()){continue}if(!(hole instanceof jsts.geom.LinearRing))isAllValidLinearRings=false;holes.add(hole)}if(isAllValidLinearRings)return this.factory.createPolygon(shell,holes.toArray());else{var components=new ArrayList;if(shell!=null)components.add(shell);components.addAll(holes);return this.factory.buildGeometry(components)}};GeometryTransformer.prototype.transformMultiPolygon=function(geom,parent){var transGeomList=new ArrayList;for(var i=0;i<geom.getNumGeometries();i++){var transformGeom=this.transformPolygon(geom.getGeometryN(i),geom);if(transformGeom==null)continue;if(transformGeom.isEmpty())continue;transGeomList.add(transformGeom)}return this.factory.buildGeometry(transGeomList)};GeometryTransformer.prototype.transformGeometryCollection=function(geom,parent){var transGeomList=new ArrayList;for(var i=0;i<geom.getNumGeometries();i++){var transformGeom=this.transform(geom.getGeometryN(i));if(transformGeom==null)continue;if(this.pruneEmptyGeometry&&transformGeom.isEmpty())continue;transGeomList.add(transformGeom)}if(this.preserveGeometryCollectionType)return this.factory.createGeometryCollection(GeometryFactory.toGeometryArray(transGeomList));return this.factory.buildGeometry(transGeomList)};jsts.geom.util.GeometryTransformer=GeometryTransformer})();(function(){var LineStringSnapper=jsts.operation.overlay.snap.LineStringSnapper;var PrecisionModel=jsts.geom.PrecisionModel;var TreeSet=javascript.util.TreeSet;var SnapTransformer=function(snapTolerance,snapPts,isSelfSnap){this.snapTolerance=snapTolerance;this.snapPts=snapPts;this.isSelfSnap=isSelfSnap||false};SnapTransformer.prototype=new jsts.geom.util.GeometryTransformer;SnapTransformer.prototype.snapTolerance=null;SnapTransformer.prototype.snapPts=null;SnapTransformer.prototype.isSelfSnap=false;SnapTransformer.prototype.transformCoordinates=function(coords,parent){var srcPts=coords;var newPts=this.snapLine(srcPts,this.snapPts);return newPts};SnapTransformer.prototype.snapLine=function(srcPts,snapPts){var snapper=new LineStringSnapper(srcPts,this.snapTolerance);snapper.setAllowSnappingToSourceVertices(this.isSelfSnap);return snapper.snapTo(snapPts)};var GeometrySnapper=function(srcGeom){this.srcGeom=srcGeom};GeometrySnapper.SNAP_PRECISION_FACTOR=1e-9;GeometrySnapper.computeOverlaySnapTolerance=function(g){if(arguments.length===2){return GeometrySnapper.computeOverlaySnapTolerance2.apply(this,arguments)}var snapTolerance=this.computeSizeBasedSnapTolerance(g);var pm=g.getPrecisionModel();if(pm.getType()==PrecisionModel.FIXED){var fixedSnapTol=1/pm.getScale()*2/1.415;if(fixedSnapTol>snapTolerance)snapTolerance=fixedSnapTol}return snapTolerance};GeometrySnapper.computeSizeBasedSnapTolerance=function(g){var env=g.getEnvelopeInternal();var minDimension=Math.min(env.getHeight(),env.getWidth());var snapTol=minDimension*GeometrySnapper.SNAP_PRECISION_FACTOR;return snapTol};GeometrySnapper.computeOverlaySnapTolerance2=function(g0,g1){return Math.min(this.computeOverlaySnapTolerance(g0),this.computeOverlaySnapTolerance(g1))};GeometrySnapper.snap=function(g0,g1,snapTolerance){var snapGeom=[];var snapper0=new GeometrySnapper(g0);snapGeom[0]=snapper0.snapTo(g1,snapTolerance);var snapper1=new GeometrySnapper(g1);snapGeom[1]=snapper1.snapTo(snapGeom[0],snapTolerance);return snapGeom};GeometrySnapper.snapToSelf=function(g0,snapTolerance,cleanResult){var snapper0=new GeometrySnapper(g0);return snapper0.snapToSelf(snapTolerance,cleanResult)};GeometrySnapper.prototype.srcGeom=null;GeometrySnapper.prototype.snapTo=function(snapGeom,snapTolerance){var snapPts=this.extractTargetCoordinates(snapGeom);var snapTrans=new SnapTransformer(snapTolerance,snapPts);return snapTrans.transform(this.srcGeom)};GeometrySnapper.prototype.snapToSelf=function(snapTolerance,cleanResult){var snapPts=this.extractTargetCoordinates(srcGeom);var snapTrans=new SnapTransformer(snapTolerance,snapPts,true);var snappedGeom=snapTrans.transform(srcGeom);var result=snappedGeom;if(cleanResult&&result instanceof Polygonal){result=snappedGeom.buffer(0)}return result};GeometrySnapper.prototype.extractTargetCoordinates=function(g){var ptSet=new TreeSet;var pts=g.getCoordinates();for(var i=0;i<pts.length;i++){ptSet.add(pts[i])}return ptSet.toArray()};GeometrySnapper.prototype.computeSnapTolerance=function(ringPts){var minSegLen=this.computeMinimumSegmentLength(ringPts);var snapTol=minSegLen/10;return snapTol};GeometrySnapper.prototype.computeMinimumSegmentLength=function(pts){var minSegLen=Number.MAX_VALUE;for(var i=0;i<pts.length-1;i++){var segLen=pts[i].distance(pts[i+1]);if(segLen<minSegLen)minSegLen=segLen}return minSegLen};jsts.operation.overlay.snap.GeometrySnapper=GeometrySnapper})();jsts.algorithm.PointLocator=function(boundaryRule){this.boundaryRule=boundaryRule?boundaryRule:jsts.algorithm.BoundaryNodeRule.OGC_SFS_BOUNDARY_RULE};jsts.algorithm.PointLocator.prototype.boundaryRule=null;jsts.algorithm.PointLocator.prototype.isIn=null;jsts.algorithm.PointLocator.prototype.numBoundaries=null;jsts.algorithm.PointLocator.prototype.intersects=function(p,geom){return this.locate(p,geom)!==jsts.geom.Location.EXTERIOR};jsts.algorithm.PointLocator.prototype.locate=function(p,geom){if(geom.isEmpty())return jsts.geom.Location.EXTERIOR;if(geom instanceof jsts.geom.Point){return this.locate2(p,geom)}else if(geom instanceof jsts.geom.LineString){return this.locate3(p,geom)}else if(geom instanceof jsts.geom.Polygon){return this.locate4(p,geom)}this.isIn=false;this.numBoundaries=0;this.computeLocation(p,geom);if(this.boundaryRule.isInBoundary(this.numBoundaries))return jsts.geom.Location.BOUNDARY;if(this.numBoundaries>0||this.isIn)return jsts.geom.Location.INTERIOR;return jsts.geom.Location.EXTERIOR};jsts.algorithm.PointLocator.prototype.computeLocation=function(p,geom){if(geom instanceof jsts.geom.Point||geom instanceof jsts.geom.LineString||geom instanceof jsts.geom.Polygon){this.updateLocationInfo(this.locate(p,geom))}else if(geom instanceof jsts.geom.MultiLineString){var ml=geom;for(var i=0;i<ml.getNumGeometries();i++){var l=ml.getGeometryN(i);this.updateLocationInfo(this.locate(p,l))}}else if(geom instanceof jsts.geom.MultiPolygon){var mpoly=geom;for(var i=0;i<mpoly.getNumGeometries();i++){var poly=mpoly.getGeometryN(i);this.updateLocationInfo(this.locate(p,poly))}}else if(geom instanceof jsts.geom.MultiPoint||geom instanceof jsts.geom.GeometryCollection){for(var i=0;i<geom.getNumGeometries();i++){var part=geom.getGeometryN(i);if(part!==geom){this.computeLocation(p,part)}}}};jsts.algorithm.PointLocator.prototype.updateLocationInfo=function(loc){if(loc===jsts.geom.Location.INTERIOR)this.isIn=true;if(loc===jsts.geom.Location.BOUNDARY)this.numBoundaries++};jsts.algorithm.PointLocator.prototype.locate2=function(p,pt){var ptCoord=pt.getCoordinate();if(ptCoord.equals2D(p))return jsts.geom.Location.INTERIOR;return jsts.geom.Location.EXTERIOR};jsts.algorithm.PointLocator.prototype.locate3=function(p,l){if(!l.getEnvelopeInternal().intersects(p))return jsts.geom.Location.EXTERIOR;var pt=l.getCoordinates();if(!l.isClosed()){if(p.equals(pt[0])||p.equals(pt[pt.length-1])){return jsts.geom.Location.BOUNDARY}}if(jsts.algorithm.CGAlgorithms.isOnLine(p,pt))return jsts.geom.Location.INTERIOR;return jsts.geom.Location.EXTERIOR};jsts.algorithm.PointLocator.prototype.locateInPolygonRing=function(p,ring){if(!ring.getEnvelopeInternal().intersects(p))return jsts.geom.Location.EXTERIOR;return jsts.algorithm.CGAlgorithms.locatePointInRing(p,ring.getCoordinates())};jsts.algorithm.PointLocator.prototype.locate4=function(p,poly){if(poly.isEmpty())return jsts.geom.Location.EXTERIOR;var shell=poly.getExteriorRing();var shellLoc=this.locateInPolygonRing(p,shell);if(shellLoc===jsts.geom.Location.EXTERIOR)return jsts.geom.Location.EXTERIOR;if(shellLoc===jsts.geom.Location.BOUNDARY)return jsts.geom.Location.BOUNDARY;for(var i=0;i<poly.getNumInteriorRing();i++){var hole=poly.getInteriorRingN(i);var holeLoc=this.locateInPolygonRing(p,hole);if(holeLoc===jsts.geom.Location.INTERIOR)return jsts.geom.Location.EXTERIOR;if(holeLoc===jsts.geom.Location.BOUNDARY)return jsts.geom.Location.BOUNDARY}return jsts.geom.Location.INTERIOR};(function(){var Location=jsts.geom.Location;var ArrayList=javascript.util.ArrayList;var TreeMap=javascript.util.TreeMap;jsts.geomgraph.NodeMap=function(nodeFactory){this.nodeMap=new TreeMap;this.nodeFact=nodeFactory};jsts.geomgraph.NodeMap.prototype.nodeMap=null;jsts.geomgraph.NodeMap.prototype.nodeFact=null;jsts.geomgraph.NodeMap.prototype.addNode=function(arg){var node,coord;if(arg instanceof jsts.geom.Coordinate){coord=arg;node=this.nodeMap.get(coord);if(node===null){node=this.nodeFact.createNode(coord);this.nodeMap.put(coord,node)}return node}else if(arg instanceof jsts.geomgraph.Node){var n=arg;coord=n.getCoordinate();node=this.nodeMap.get(coord);if(node===null){this.nodeMap.put(coord,n);return n}node.mergeLabel(n);return node}};jsts.geomgraph.NodeMap.prototype.add=function(e){var p=e.getCoordinate();var n=this.addNode(p);n.add(e)};jsts.geomgraph.NodeMap.prototype.find=function(coord){return this.nodeMap.get(coord)};jsts.geomgraph.NodeMap.prototype.values=function(){return this.nodeMap.values()};jsts.geomgraph.NodeMap.prototype.iterator=function(){return this.values().iterator()};jsts.geomgraph.NodeMap.prototype.getBoundaryNodes=function(geomIndex){var bdyNodes=new ArrayList;for(var i=this.iterator();i.hasNext();){var node=i.next();if(node.getLabel().getLocation(geomIndex)===Location.BOUNDARY){bdyNodes.add(node)}}return bdyNodes}})();(function(){var ArrayList=javascript.util.ArrayList;jsts.geomgraph.PlanarGraph=function(nodeFactory){this.edges=new ArrayList;this.edgeEndList=new ArrayList;this.nodes=new jsts.geomgraph.NodeMap(nodeFactory||new jsts.geomgraph.NodeFactory)};jsts.geomgraph.PlanarGraph.prototype.edges=null;jsts.geomgraph.PlanarGraph.prototype.nodes=null;jsts.geomgraph.PlanarGraph.prototype.edgeEndList=null;jsts.geomgraph.PlanarGraph.linkResultDirectedEdges=function(nodes){for(var nodeit=nodes.iterator();nodeit.hasNext();){var node=nodeit.next();node.getEdges().linkResultDirectedEdges()}};jsts.geomgraph.PlanarGraph.prototype.getEdgeIterator=function(){return this.edges.iterator()};jsts.geomgraph.PlanarGraph.prototype.getEdgeEnds=function(){return this.edgeEndList};jsts.geomgraph.PlanarGraph.prototype.isBoundaryNode=function(geomIndex,coord){var node=this.nodes.find(coord);if(node===null)return false;var label=node.getLabel();if(label!==null&&label.getLocation(geomIndex)===jsts.geom.Location.BOUNDARY)return true;return false};jsts.geomgraph.PlanarGraph.prototype.insertEdge=function(e){this.edges.add(e)};jsts.geomgraph.PlanarGraph.prototype.add=function(e){this.nodes.add(e);this.edgeEndList.add(e)};jsts.geomgraph.PlanarGraph.prototype.getNodeIterator=function(){return this.nodes.iterator()};jsts.geomgraph.PlanarGraph.prototype.getNodes=function(){return this.nodes.values()};jsts.geomgraph.PlanarGraph.prototype.addNode=function(node){return this.nodes.addNode(node)};jsts.geomgraph.PlanarGraph.prototype.addEdges=function(edgesToAdd){for(var it=edgesToAdd.iterator();it.hasNext();){var e=it.next();this.edges.add(e);var de1=new jsts.geomgraph.DirectedEdge(e,true);var de2=new jsts.geomgraph.DirectedEdge(e,false);de1.setSym(de2);de2.setSym(de1);this.add(de1);this.add(de2)}};jsts.geomgraph.PlanarGraph.prototype.linkResultDirectedEdges=function(){for(var nodeit=this.nodes.iterator();nodeit.hasNext();){var node=nodeit.next();node.getEdges().linkResultDirectedEdges()}};jsts.geomgraph.PlanarGraph.prototype.findEdgeInSameDirection=function(p0,p1){var i=0,il=this.edges.size(),e,eCoord;for(i;i<il;i++){e=this.edges.get(i);eCoord=e.getCoordinates();if(this.matchInSameDirection(p0,p1,eCoord[0],eCoord[1])){return e}if(this.matchInSameDirection(p0,p1,eCoord[eCoord.length-1],eCoord[eCoord.length-2])){return e}}return null};jsts.geomgraph.PlanarGraph.prototype.matchInSameDirection=function(p0,p1,ep0,ep1){if(!p0.equals(ep0)){return false}if(jsts.algorithm.CGAlgorithms.computeOrientation(p0,p1,ep1)===jsts.algorithm.CGAlgorithms.COLLINEAR&&jsts.geomgraph.Quadrant.quadrant(p0,p1)===jsts.geomgraph.Quadrant.quadrant(ep0,ep1)){return true}return false};jsts.geomgraph.PlanarGraph.prototype.findEdgeEnd=function(e){for(var i=this.getEdgeEnds().iterator();i.hasNext();){var ee=i.next();if(ee.getEdge()===e){return ee}}return null}})();jsts.algorithm.LineIntersector=function(){this.inputLines=[[],[]];this.intPt=[null,null];this.pa=this.intPt[0];this.pb=this.intPt[1];this.result=jsts.algorithm.LineIntersector.NO_INTERSECTION};jsts.algorithm.LineIntersector.NO_INTERSECTION=0;jsts.algorithm.LineIntersector.POINT_INTERSECTION=1;jsts.algorithm.LineIntersector.COLLINEAR_INTERSECTION=2;jsts.algorithm.LineIntersector.prototype.setPrecisionModel=function(precisionModel){this.precisionModel=precisionModel};jsts.algorithm.LineIntersector.prototype.getEndpoint=function(segmentIndex,ptIndex){return this.inputLines[segmentIndex][ptIndex]};jsts.algorithm.LineIntersector.computeEdgeDistance=function(p,p0,p1){var dx=Math.abs(p1.x-p0.x);var dy=Math.abs(p1.y-p0.y);var dist=-1;if(p.equals(p0)){dist=0}else if(p.equals(p1)){if(dx>dy){dist=dx}else{dist=dy}}else{var pdx=Math.abs(p.x-p0.x);var pdy=Math.abs(p.y-p0.y);if(dx>dy){dist=pdx}else{dist=pdy}if(dist===0&&!p.equals(p0)){dist=Math.max(pdx,pdy)}}if(dist===0&&!p.equals(p0)){throw new jsts.error.IllegalArgumentError("Bad distance calculation")}return dist};jsts.algorithm.LineIntersector.nonRobustComputeEdgeDistance=function(p,p1,p2){var dx=p.x-p1.x;var dy=p.y-p1.y;var dist=Math.sqrt(dx*dx+dy*dy);if(!(dist===0&&!p.equals(p1))){throw new jsts.error.IllegalArgumentError("Invalid distance calculation")}return dist};jsts.algorithm.LineIntersector.prototype.result=null;jsts.algorithm.LineIntersector.prototype.inputLines=null;jsts.algorithm.LineIntersector.prototype.intPt=null;jsts.algorithm.LineIntersector.prototype.intLineIndex=null;jsts.algorithm.LineIntersector.prototype._isProper=null;jsts.algorithm.LineIntersector.prototype.pa=null;jsts.algorithm.LineIntersector.prototype.pb=null;jsts.algorithm.LineIntersector.prototype.precisionModel=null;jsts.algorithm.LineIntersector.prototype.computeIntersection=function(p,p1,p2){throw new jsts.error.AbstractMethodInvocationError};jsts.algorithm.LineIntersector.prototype.isCollinear=function(){return this.result===jsts.algorithm.LineIntersector.COLLINEAR_INTERSECTION};jsts.algorithm.LineIntersector.prototype.computeIntersection=function(p1,p2,p3,p4){this.inputLines[0][0]=p1;this.inputLines[0][1]=p2;this.inputLines[1][0]=p3;this.inputLines[1][1]=p4;this.result=this.computeIntersect(p1,p2,p3,p4)};jsts.algorithm.LineIntersector.prototype.computeIntersect=function(p1,p2,q1,q2){throw new jsts.error.AbstractMethodInvocationError};jsts.algorithm.LineIntersector.prototype.isEndPoint=function(){return this.hasIntersection()&&!this._isProper};jsts.algorithm.LineIntersector.prototype.hasIntersection=function(){return this.result!==jsts.algorithm.LineIntersector.NO_INTERSECTION};jsts.algorithm.LineIntersector.prototype.getIntersectionNum=function(){return this.result};jsts.algorithm.LineIntersector.prototype.getIntersection=function(intIndex){return this.intPt[intIndex]};jsts.algorithm.LineIntersector.prototype.computeIntLineIndex=function(){if(this.intLineIndex===null){this.intLineIndex=[[],[]];this.computeIntLineIndex(0);this.computeIntLineIndex(1)}};jsts.algorithm.LineIntersector.prototype.isIntersection=function(pt){var i;for(i=0;i<this.result;i++){if(this.intPt[i].equals2D(pt)){return true}}return false};jsts.algorithm.LineIntersector.prototype.isInteriorIntersection=function(){if(arguments.length===1){return this.isInteriorIntersection2.apply(this,arguments)}if(this.isInteriorIntersection(0)){return true}if(this.isInteriorIntersection(1)){return true}return false};jsts.algorithm.LineIntersector.prototype.isInteriorIntersection2=function(inputLineIndex){var i;for(i=0;i<this.result;i++){if(!(this.intPt[i].equals2D(this.inputLines[inputLineIndex][0])||this.intPt[i].equals2D(this.inputLines[inputLineIndex][1]))){return true}}return false};jsts.algorithm.LineIntersector.prototype.isProper=function(){return this.hasIntersection()&&this._isProper};jsts.algorithm.LineIntersector.prototype.getIntersectionAlongSegment=function(segmentIndex,intIndex){this.computeIntLineIndex();return this.intPt[intLineIndex[segmentIndex][intIndex]]};jsts.algorithm.LineIntersector.prototype.getIndexAlongSegment=function(segmentIndex,intIndex){this.computeIntLineIndex();return this.intLineIndex[segmentIndex][intIndex]};jsts.algorithm.LineIntersector.prototype.computeIntLineIndex=function(segmentIndex){var dist0=this.getEdgeDistance(segmentIndex,0);var dist1=this.getEdgeDistance(segmentIndex,1);if(dist0>dist1){this.intLineIndex[segmentIndex][0]=0;this.intLineIndex[segmentIndex][1]=1}else{this.intLineIndex[segmentIndex][0]=1;this.intLineIndex[segmentIndex][1]=0}};jsts.algorithm.LineIntersector.prototype.getEdgeDistance=function(segmentIndex,intIndex){var dist=jsts.algorithm.LineIntersector.computeEdgeDistance(this.intPt[intIndex],this.inputLines[segmentIndex][0],this.inputLines[segmentIndex][1]);return dist};jsts.algorithm.RobustLineIntersector=function(){jsts.algorithm.RobustLineIntersector.prototype.constructor.call(this)};jsts.algorithm.RobustLineIntersector.prototype=new jsts.algorithm.LineIntersector;jsts.algorithm.RobustLineIntersector.prototype.computeIntersection=function(p,p1,p2){if(arguments.length===4){jsts.algorithm.LineIntersector.prototype.computeIntersection.apply(this,arguments);return}this._isProper=false;if(jsts.geom.Envelope.intersects(p1,p2,p)){if(jsts.algorithm.CGAlgorithms.orientationIndex(p1,p2,p)===0&&jsts.algorithm.CGAlgorithms.orientationIndex(p2,p1,p)===0){this._isProper=true;if(p.equals(p1)||p.equals(p2)){this._isProper=false}this.result=jsts.algorithm.LineIntersector.POINT_INTERSECTION;return}}this.result=jsts.algorithm.LineIntersector.NO_INTERSECTION};jsts.algorithm.RobustLineIntersector.prototype.computeIntersect=function(p1,p2,q1,q2){this._isProper=false;if(!jsts.geom.Envelope.intersects(p1,p2,q1,q2)){return jsts.algorithm.LineIntersector.NO_INTERSECTION}var Pq1=jsts.algorithm.CGAlgorithms.orientationIndex(p1,p2,q1);var Pq2=jsts.algorithm.CGAlgorithms.orientationIndex(p1,p2,q2);if(Pq1>0&&Pq2>0||Pq1<0&&Pq2<0){return jsts.algorithm.LineIntersector.NO_INTERSECTION}var Qp1=jsts.algorithm.CGAlgorithms.orientationIndex(q1,q2,p1);var Qp2=jsts.algorithm.CGAlgorithms.orientationIndex(q1,q2,p2);if(Qp1>0&&Qp2>0||Qp1<0&&Qp2<0){return jsts.algorithm.LineIntersector.NO_INTERSECTION}var collinear=Pq1===0&&Pq2===0&&Qp1===0&&Qp2===0;if(collinear){return this.computeCollinearIntersection(p1,p2,q1,q2)}if(Pq1===0||Pq2===0||Qp1===0||Qp2===0){this._isProper=false;if(p1.equals2D(q1)||p1.equals2D(q2)){this.intPt[0]=p1}else if(p2.equals2D(q1)||p2.equals2D(q2)){this.intPt[0]=p2}else if(Pq1===0){this.intPt[0]=new jsts.geom.Coordinate(q1)}else if(Pq2===0){this.intPt[0]=new jsts.geom.Coordinate(q2)}else if(Qp1===0){this.intPt[0]=new jsts.geom.Coordinate(p1)}else if(Qp2===0){this.intPt[0]=new jsts.geom.Coordinate(p2)}}else{this._isProper=true;this.intPt[0]=this.intersection(p1,p2,q1,q2)}return jsts.algorithm.LineIntersector.POINT_INTERSECTION};jsts.algorithm.RobustLineIntersector.prototype.computeCollinearIntersection=function(p1,p2,q1,q2){var p1q1p2=jsts.geom.Envelope.intersects(p1,p2,q1);var p1q2p2=jsts.geom.Envelope.intersects(p1,p2,q2);var q1p1q2=jsts.geom.Envelope.intersects(q1,q2,p1);var q1p2q2=jsts.geom.Envelope.intersects(q1,q2,p2);if(p1q1p2&&p1q2p2){this.intPt[0]=q1;this.intPt[1]=q2;return jsts.algorithm.LineIntersector.COLLINEAR_INTERSECTION}if(q1p1q2&&q1p2q2){this.intPt[0]=p1;this.intPt[1]=p2;return jsts.algorithm.LineIntersector.COLLINEAR_INTERSECTION}if(p1q1p2&&q1p1q2){this.intPt[0]=q1;this.intPt[1]=p1;return q1.equals(p1)&&!p1q2p2&&!q1p2q2?jsts.algorithm.LineIntersector.POINT_INTERSECTION:jsts.algorithm.LineIntersector.COLLINEAR_INTERSECTION}if(p1q1p2&&q1p2q2){this.intPt[0]=q1;this.intPt[1]=p2;return q1.equals(p2)&&!p1q2p2&&!q1p1q2?jsts.algorithm.LineIntersector.POINT_INTERSECTION:jsts.algorithm.LineIntersector.COLLINEAR_INTERSECTION}if(p1q2p2&&q1p1q2){this.intPt[0]=q2;this.intPt[1]=p1;return q2.equals(p1)&&!p1q1p2&&!q1p2q2?jsts.algorithm.LineIntersector.POINT_INTERSECTION:jsts.algorithm.LineIntersector.COLLINEAR_INTERSECTION}if(p1q2p2&&q1p2q2){this.intPt[0]=q2;this.intPt[1]=p2;return q2.equals(p2)&&!p1q1p2&&!q1p1q2?jsts.algorithm.LineIntersector.POINT_INTERSECTION:jsts.algorithm.LineIntersector.COLLINEAR_INTERSECTION}return jsts.algorithm.LineIntersector.NO_INTERSECTION};jsts.algorithm.RobustLineIntersector.prototype.intersection=function(p1,p2,q1,q2){var intPt=this.intersectionWithNormalization(p1,p2,q1,q2);if(!this.isInSegmentEnvelopes(intPt)){intPt=jsts.algorithm.CentralEndpointIntersector.getIntersection(p1,p2,q1,q2)}if(this.precisionModel!==null){this.precisionModel.makePrecise(intPt)}return intPt};jsts.algorithm.RobustLineIntersector.prototype.intersectionWithNormalization=function(p1,p2,q1,q2){var n1=new jsts.geom.Coordinate(p1);
var n2=new jsts.geom.Coordinate(p2);var n3=new jsts.geom.Coordinate(q1);var n4=new jsts.geom.Coordinate(q2);var normPt=new jsts.geom.Coordinate;this.normalizeToEnvCentre(n1,n2,n3,n4,normPt);var intPt=this.safeHCoordinateIntersection(n1,n2,n3,n4);intPt.x+=normPt.x;intPt.y+=normPt.y;return intPt};jsts.algorithm.RobustLineIntersector.prototype.safeHCoordinateIntersection=function(p1,p2,q1,q2){var intPt=null;try{intPt=jsts.algorithm.HCoordinate.intersection(p1,p2,q1,q2)}catch(e){if(e instanceof jsts.error.NotRepresentableError){intPt=jsts.algorithm.CentralEndpointIntersector.getIntersection(p1,p2,q1,q2)}else{throw e}}return intPt};jsts.algorithm.RobustLineIntersector.prototype.normalizeToMinimum=function(n1,n2,n3,n4,normPt){normPt.x=this.smallestInAbsValue(n1.x,n2.x,n3.x,n4.x);normPt.y=this.smallestInAbsValue(n1.y,n2.y,n3.y,n4.y);n1.x-=normPt.x;n1.y-=normPt.y;n2.x-=normPt.x;n2.y-=normPt.y;n3.x-=normPt.x;n3.y-=normPt.y;n4.x-=normPt.x;n4.y-=normPt.y};jsts.algorithm.RobustLineIntersector.prototype.normalizeToEnvCentre=function(n00,n01,n10,n11,normPt){var minX0=n00.x<n01.x?n00.x:n01.x;var minY0=n00.y<n01.y?n00.y:n01.y;var maxX0=n00.x>n01.x?n00.x:n01.x;var maxY0=n00.y>n01.y?n00.y:n01.y;var minX1=n10.x<n11.x?n10.x:n11.x;var minY1=n10.y<n11.y?n10.y:n11.y;var maxX1=n10.x>n11.x?n10.x:n11.x;var maxY1=n10.y>n11.y?n10.y:n11.y;var intMinX=minX0>minX1?minX0:minX1;var intMaxX=maxX0<maxX1?maxX0:maxX1;var intMinY=minY0>minY1?minY0:minY1;var intMaxY=maxY0<maxY1?maxY0:maxY1;var intMidX=(intMinX+intMaxX)/2;var intMidY=(intMinY+intMaxY)/2;normPt.x=intMidX;normPt.y=intMidY;n00.x-=normPt.x;n00.y-=normPt.y;n01.x-=normPt.x;n01.y-=normPt.y;n10.x-=normPt.x;n10.y-=normPt.y;n11.x-=normPt.x;n11.y-=normPt.y};jsts.algorithm.RobustLineIntersector.prototype.smallestInAbsValue=function(x1,x2,x3,x4){var x=x1;var xabs=Math.abs(x);if(Math.abs(x2)<xabs){x=x2;xabs=Math.abs(x2)}if(Math.abs(x3)<xabs){x=x3;xabs=Math.abs(x3)}if(Math.abs(x4)<xabs){x=x4}return x};jsts.algorithm.RobustLineIntersector.prototype.isInSegmentEnvelopes=function(intPt){var env0=new jsts.geom.Envelope(this.inputLines[0][0],this.inputLines[0][1]);var env1=new jsts.geom.Envelope(this.inputLines[1][0],this.inputLines[1][1]);return env0.contains(intPt)&&env1.contains(intPt)};jsts.noding.SegmentIntersector=function(){};jsts.noding.SegmentIntersector.prototype.processIntersections=jsts.abstractFunc;jsts.noding.SegmentIntersector.prototype.isDone=jsts.abstractFunc;(function(){var SegmentIntersector=jsts.noding.SegmentIntersector;var ArrayList=javascript.util.ArrayList;jsts.noding.InteriorIntersectionFinder=function(li){this.li=li;this.intersections=new ArrayList;this.interiorIntersection=null};jsts.noding.InteriorIntersectionFinder.prototype=new SegmentIntersector;jsts.noding.InteriorIntersectionFinder.constructor=jsts.noding.InteriorIntersectionFinder;jsts.noding.InteriorIntersectionFinder.prototype.findAllIntersections=false;jsts.noding.InteriorIntersectionFinder.prototype.isCheckEndSegmentsOnly=false;jsts.noding.InteriorIntersectionFinder.prototype.li=null;jsts.noding.InteriorIntersectionFinder.prototype.interiorIntersection=null;jsts.noding.InteriorIntersectionFinder.prototype.intSegments=null;jsts.noding.InteriorIntersectionFinder.prototype.intersections=null;jsts.noding.InteriorIntersectionFinder.prototype.setFindAllIntersections=function(findAllIntersections){this.findAllIntersections=findAllIntersections};jsts.noding.InteriorIntersectionFinder.prototype.getIntersections=function(){return intersections};jsts.noding.InteriorIntersectionFinder.prototype.setCheckEndSegmentsOnly=function(isCheckEndSegmentsOnly){this.isCheckEndSegmentsOnly=isCheckEndSegmentsOnly};jsts.noding.InteriorIntersectionFinder.prototype.hasIntersection=function(){return this.interiorIntersection!=null};jsts.noding.InteriorIntersectionFinder.prototype.getInteriorIntersection=function(){return this.interiorIntersection};jsts.noding.InteriorIntersectionFinder.prototype.getIntersectionSegments=function(){return this.intSegments};jsts.noding.InteriorIntersectionFinder.prototype.processIntersections=function(e0,segIndex0,e1,segIndex1){if(this.hasIntersection())return;if(e0==e1&&segIndex0==segIndex1)return;if(this.isCheckEndSegmentsOnly){var isEndSegPresent=this.isEndSegment(e0,segIndex0)||isEndSegment(e1,segIndex1);if(!isEndSegPresent)return}var p00=e0.getCoordinates()[segIndex0];var p01=e0.getCoordinates()[segIndex0+1];var p10=e1.getCoordinates()[segIndex1];var p11=e1.getCoordinates()[segIndex1+1];this.li.computeIntersection(p00,p01,p10,p11);if(this.li.hasIntersection()){if(this.li.isInteriorIntersection()){this.intSegments=[];this.intSegments[0]=p00;this.intSegments[1]=p01;this.intSegments[2]=p10;this.intSegments[3]=p11;this.interiorIntersection=this.li.getIntersection(0);this.intersections.add(this.interiorIntersection)}}};jsts.noding.InteriorIntersectionFinder.prototype.isEndSegment=function(segStr,index){if(index==0)return true;if(index>=segStr.size()-2)return true;return false};jsts.noding.InteriorIntersectionFinder.prototype.isDone=function(){if(this.findAllIntersections)return false;return this.interiorIntersection!=null}})();(function(){var RobustLineIntersector=jsts.algorithm.RobustLineIntersector;var InteriorIntersectionFinder=jsts.noding.InteriorIntersectionFinder;var MCIndexNoder=jsts.noding.MCIndexNoder;jsts.noding.FastNodingValidator=function(segStrings){this.li=new RobustLineIntersector;this.segStrings=segStrings};jsts.noding.FastNodingValidator.prototype.li=null;jsts.noding.FastNodingValidator.prototype.segStrings=null;jsts.noding.FastNodingValidator.prototype.findAllIntersections=false;jsts.noding.FastNodingValidator.prototype.segInt=null;jsts.noding.FastNodingValidator.prototype._isValid=true;jsts.noding.FastNodingValidator.prototype.setFindAllIntersections=function(findAllIntersections){this.findAllIntersections=findAllIntersections};jsts.noding.FastNodingValidator.prototype.getIntersections=function(){return segInt.getIntersections()};jsts.noding.FastNodingValidator.prototype.isValid=function(){this.execute();return this._isValid};jsts.noding.FastNodingValidator.prototype.getErrorMessage=function(){if(this._isValid)return"no intersections found";var intSegs=this.segInt.getIntersectionSegments();return"found non-noded intersection between "+jsts.io.WKTWriter.toLineString(intSegs[0],intSegs[1])+" and "+jsts.io.WKTWriter.toLineString(intSegs[2],intSegs[3])};jsts.noding.FastNodingValidator.prototype.checkValid=function(){this.execute();if(!this._isValid)throw new jsts.error.TopologyError(this.getErrorMessage(),this.segInt.getInteriorIntersection())};jsts.noding.FastNodingValidator.prototype.execute=function(){if(this.segInt!=null)return;this.checkInteriorIntersections()};jsts.noding.FastNodingValidator.prototype.checkInteriorIntersections=function(){this._isValid=true;this.segInt=new InteriorIntersectionFinder(this.li);this.segInt.setFindAllIntersections(this.findAllIntersections);var noder=new MCIndexNoder;noder.setSegmentIntersector(this.segInt);noder.computeNodes(this.segStrings);if(this.segInt.hasIntersection()){this._isValid=false;return}}})();(function(){jsts.noding.BasicSegmentString=function(pts,data){this.pts=pts;this.data=data};jsts.noding.BasicSegmentString.prototype=new jsts.noding.SegmentString;jsts.noding.BasicSegmentString.prototype.pts=null;jsts.noding.BasicSegmentString.prototype.data=null;jsts.noding.BasicSegmentString.prototype.getData=function(){return this.data};jsts.noding.BasicSegmentString.prototype.setData=function(data){this.data=data};jsts.noding.BasicSegmentString.prototype.size=function(){return this.pts.length};jsts.noding.BasicSegmentString.prototype.getCoordinate=function(i){return this.pts[i]};jsts.noding.BasicSegmentString.prototype.getCoordinates=function(){return this.pts};jsts.noding.BasicSegmentString.prototype.isClosed=function(){return this.pts[0].equals(this.pts[this.pts.length-1])};jsts.noding.BasicSegmentString.prototype.getSegmentOctant=function(index){if(index==this.pts.length-1)return-1;return jsts.noding.Octant.octant(this.getCoordinate(index),this.getCoordinate(index+1))}})();(function(){var FastNodingValidator=jsts.noding.FastNodingValidator;var BasicSegmentString=jsts.noding.BasicSegmentString;var ArrayList=javascript.util.ArrayList;jsts.geomgraph.EdgeNodingValidator=function(edges){this.nv=new FastNodingValidator(jsts.geomgraph.EdgeNodingValidator.toSegmentStrings(edges))};jsts.geomgraph.EdgeNodingValidator.checkValid=function(edges){var validator=new jsts.geomgraph.EdgeNodingValidator(edges);validator.checkValid()};jsts.geomgraph.EdgeNodingValidator.toSegmentStrings=function(edges){var segStrings=new ArrayList;for(var i=edges.iterator();i.hasNext();){var e=i.next();segStrings.add(new BasicSegmentString(e.getCoordinates(),e))}return segStrings};jsts.geomgraph.EdgeNodingValidator.prototype.nv=null;jsts.geomgraph.EdgeNodingValidator.prototype.checkValid=function(){this.nv.checkValid()}})();jsts.operation.GeometryGraphOperation=function(g0,g1,boundaryNodeRule){this.li=new jsts.algorithm.RobustLineIntersector;this.arg=[];if(g0===undefined){return}if(g1===undefined){this.setComputationPrecision(g0.getPrecisionModel());this.arg[0]=new jsts.geomgraph.GeometryGraph(0,g0);return}boundaryNodeRule=boundaryNodeRule||jsts.algorithm.BoundaryNodeRule.OGC_SFS_BOUNDARY_RULE;if(g0.getPrecisionModel().compareTo(g1.getPrecisionModel())>=0)this.setComputationPrecision(g0.getPrecisionModel());else this.setComputationPrecision(g1.getPrecisionModel());this.arg[0]=new jsts.geomgraph.GeometryGraph(0,g0,boundaryNodeRule);this.arg[1]=new jsts.geomgraph.GeometryGraph(1,g1,boundaryNodeRule)};jsts.operation.GeometryGraphOperation.prototype.li=null;jsts.operation.GeometryGraphOperation.prototype.resultPrecisionModel=null;jsts.operation.GeometryGraphOperation.prototype.arg=null;jsts.operation.GeometryGraphOperation.prototype.getArgGeometry=function(i){return arg[i].getGeometry()};jsts.operation.GeometryGraphOperation.prototype.setComputationPrecision=function(pm){this.resultPrecisionModel=pm;this.li.setPrecisionModel(this.resultPrecisionModel)};jsts.operation.overlay.OverlayNodeFactory=function(){};jsts.operation.overlay.OverlayNodeFactory.prototype=new jsts.geomgraph.NodeFactory;jsts.operation.overlay.OverlayNodeFactory.constructor=jsts.operation.overlay.OverlayNodeFactory;jsts.operation.overlay.OverlayNodeFactory.prototype.createNode=function(coord){return new jsts.geomgraph.Node(coord,new jsts.geomgraph.DirectedEdgeStar)};jsts.operation.overlay.PolygonBuilder=function(geometryFactory){this.shellList=[];this.geometryFactory=geometryFactory};jsts.operation.overlay.PolygonBuilder.prototype.geometryFactory=null;jsts.operation.overlay.PolygonBuilder.prototype.shellList=null;jsts.operation.overlay.PolygonBuilder.prototype.add=function(graph){if(arguments.length===2){this.add2.apply(this,arguments);return}this.add2(graph.getEdgeEnds(),graph.getNodes())};jsts.operation.overlay.PolygonBuilder.prototype.add2=function(dirEdges,nodes){jsts.geomgraph.PlanarGraph.linkResultDirectedEdges(nodes);var maxEdgeRings=this.buildMaximalEdgeRings(dirEdges);var freeHoleList=[];var edgeRings=this.buildMinimalEdgeRings(maxEdgeRings,this.shellList,freeHoleList);this.sortShellsAndHoles(edgeRings,this.shellList,freeHoleList);this.placeFreeHoles(this.shellList,freeHoleList)};jsts.operation.overlay.PolygonBuilder.prototype.getPolygons=function(){var resultPolyList=this.computePolygons(this.shellList);return resultPolyList};jsts.operation.overlay.PolygonBuilder.prototype.buildMaximalEdgeRings=function(dirEdges){var maxEdgeRings=[];for(var it=dirEdges.iterator();it.hasNext();){var de=it.next();if(de.isInResult()&&de.getLabel().isArea()){if(de.getEdgeRing()==null){var er=new jsts.operation.overlay.MaximalEdgeRing(de,this.geometryFactory);maxEdgeRings.push(er);er.setInResult()}}}return maxEdgeRings};jsts.operation.overlay.PolygonBuilder.prototype.buildMinimalEdgeRings=function(maxEdgeRings,shellList,freeHoleList){var edgeRings=[];for(var i=0;i<maxEdgeRings.length;i++){var er=maxEdgeRings[i];if(er.getMaxNodeDegree()>2){er.linkDirectedEdgesForMinimalEdgeRings();var minEdgeRings=er.buildMinimalRings();var shell=this.findShell(minEdgeRings);if(shell!==null){this.placePolygonHoles(shell,minEdgeRings);shellList.push(shell)}else{freeHoleList=freeHoleList.concat(minEdgeRings)}}else{edgeRings.push(er)}}return edgeRings};jsts.operation.overlay.PolygonBuilder.prototype.findShell=function(minEdgeRings){var shellCount=0;var shell=null;for(var i=0;i<minEdgeRings.length;i++){var er=minEdgeRings[i];if(!er.isHole()){shell=er;shellCount++}}jsts.util.Assert.isTrue(shellCount<=1,"found two shells in MinimalEdgeRing list");return shell};jsts.operation.overlay.PolygonBuilder.prototype.placePolygonHoles=function(shell,minEdgeRings){for(var i=0;i<minEdgeRings.length;i++){var er=minEdgeRings[i];if(er.isHole()){er.setShell(shell)}}};jsts.operation.overlay.PolygonBuilder.prototype.sortShellsAndHoles=function(edgeRings,shellList,freeHoleList){for(var i=0;i<edgeRings.length;i++){var er=edgeRings[i];if(er.isHole()){freeHoleList.push(er)}else{shellList.push(er)}}};jsts.operation.overlay.PolygonBuilder.prototype.placeFreeHoles=function(shellList,freeHoleList){for(var i=0;i<freeHoleList.length;i++){var hole=freeHoleList[i];if(hole.getShell()==null){var shell=this.findEdgeRingContaining(hole,shellList);if(shell===null)throw new jsts.error.TopologyError("unable to assign hole to a shell",hole.getCoordinate(0));hole.setShell(shell)}}};jsts.operation.overlay.PolygonBuilder.prototype.findEdgeRingContaining=function(testEr,shellList){var testRing=testEr.getLinearRing();var testEnv=testRing.getEnvelopeInternal();var testPt=testRing.getCoordinateN(0);var minShell=null;var minEnv=null;for(var i=0;i<shellList.length;i++){var tryShell=shellList[i];var tryRing=tryShell.getLinearRing();var tryEnv=tryRing.getEnvelopeInternal();if(minShell!==null)minEnv=minShell.getLinearRing().getEnvelopeInternal();var isContained=false;if(tryEnv.contains(testEnv)&&jsts.algorithm.CGAlgorithms.isPointInRing(testPt,tryRing.getCoordinates()))isContained=true;if(isContained){if(minShell==null||minEnv.contains(tryEnv)){minShell=tryShell}}}return minShell};jsts.operation.overlay.PolygonBuilder.prototype.computePolygons=function(shellList){var resultPolyList=new javascript.util.ArrayList;for(var i=0;i<shellList.length;i++){var er=shellList[i];var poly=er.toPolygon(this.geometryFactory);resultPolyList.add(poly)}return resultPolyList};jsts.operation.overlay.PolygonBuilder.prototype.containsPoint=function(p){for(var i=0;i<this.shellList.length;i++){var er=this.shellList[i];if(er.containsPoint(p))return true}return false};(function(){var Assert=jsts.util.Assert;var ArrayList=javascript.util.ArrayList;var LineBuilder=function(op,geometryFactory,ptLocator){this.lineEdgesList=new ArrayList;this.resultLineList=new ArrayList;this.op=op;this.geometryFactory=geometryFactory;this.ptLocator=ptLocator};LineBuilder.prototype.op=null;LineBuilder.prototype.geometryFactory=null;LineBuilder.prototype.ptLocator=null;LineBuilder.prototype.lineEdgesList=null;LineBuilder.prototype.resultLineList=null;LineBuilder.prototype.build=function(opCode){this.findCoveredLineEdges();this.collectLines(opCode);this.buildLines(opCode);return this.resultLineList};LineBuilder.prototype.findCoveredLineEdges=function(){for(var nodeit=this.op.getGraph().getNodes().iterator();nodeit.hasNext();){var node=nodeit.next();node.getEdges().findCoveredLineEdges()}for(var it=this.op.getGraph().getEdgeEnds().iterator();it.hasNext();){var de=it.next();var e=de.getEdge();if(de.isLineEdge()&&!e.isCoveredSet()){var isCovered=this.op.isCoveredByA(de.getCoordinate());e.setCovered(isCovered)}}};LineBuilder.prototype.collectLines=function(opCode){for(var it=this.op.getGraph().getEdgeEnds().iterator();it.hasNext();){var de=it.next();this.collectLineEdge(de,opCode,this.lineEdgesList);this.collectBoundaryTouchEdge(de,opCode,this.lineEdgesList)}};LineBuilder.prototype.collectLineEdge=function(de,opCode,edges){var label=de.getLabel();var e=de.getEdge();if(de.isLineEdge()){if(!de.isVisited()&&jsts.operation.overlay.OverlayOp.isResultOfOp(label,opCode)&&!e.isCovered()){edges.add(e);de.setVisitedEdge(true)}}};LineBuilder.prototype.collectBoundaryTouchEdge=function(de,opCode,edges){var label=de.getLabel();if(de.isLineEdge())return;if(de.isVisited())return;if(de.isInteriorAreaEdge())return;if(de.getEdge().isInResult())return;Assert.isTrue(!(de.isInResult()||de.getSym().isInResult())||!de.getEdge().isInResult());if(jsts.operation.overlay.OverlayOp.isResultOfOp(label,opCode)&&opCode===jsts.operation.overlay.OverlayOp.INTERSECTION){edges.add(de.getEdge());de.setVisitedEdge(true)}};LineBuilder.prototype.buildLines=function(opCode){for(var it=this.lineEdgesList.iterator();it.hasNext();){var e=it.next();var label=e.getLabel();var line=this.geometryFactory.createLineString(e.getCoordinates());this.resultLineList.add(line);e.setInResult(true)}};LineBuilder.prototype.labelIsolatedLines=function(edgesList){for(var it=edgesList.iterator();it.hasNext();){var e=it.next();var label=e.getLabel();if(e.isIsolated()){if(label.isNull(0))this.labelIsolatedLine(e,0);else this.labelIsolatedLine(e,1)}}};LineBuilder.prototype.labelIsolatedLine=function(e,targetIndex){var loc=ptLocator.locate(e.getCoordinate(),op.getArgGeometry(targetIndex));e.getLabel().setLocation(targetIndex,loc)};jsts.operation.overlay.LineBuilder=LineBuilder})();(function(){var ArrayList=javascript.util.ArrayList;var PointBuilder=function(op,geometryFactory,ptLocator){this.resultPointList=new ArrayList;this.op=op;this.geometryFactory=geometryFactory};PointBuilder.prototype.op=null;PointBuilder.prototype.geometryFactory=null;PointBuilder.prototype.resultPointList=null;PointBuilder.prototype.build=function(opCode){this.extractNonCoveredResultNodes(opCode);return this.resultPointList};PointBuilder.prototype.extractNonCoveredResultNodes=function(opCode){for(var nodeit=this.op.getGraph().getNodes().iterator();nodeit.hasNext();){var n=nodeit.next();if(n.isInResult())continue;if(n.isIncidentEdgeInResult())continue;if(n.getEdges().getDegree()===0||opCode===jsts.operation.overlay.OverlayOp.INTERSECTION){var label=n.getLabel();if(jsts.operation.overlay.OverlayOp.isResultOfOp(label,opCode)){this.filterCoveredNodeToPoint(n)}}}};PointBuilder.prototype.filterCoveredNodeToPoint=function(n){var coord=n.getCoordinate();if(!this.op.isCoveredByLA(coord)){var pt=this.geometryFactory.createPoint(coord);this.resultPointList.add(pt)}};jsts.operation.overlay.PointBuilder=PointBuilder})();(function(){var PointLocator=jsts.algorithm.PointLocator;var Location=jsts.geom.Location;var EdgeList=jsts.geomgraph.EdgeList;var Label=jsts.geomgraph.Label;var PlanarGraph=jsts.geomgraph.PlanarGraph;var Position=jsts.geomgraph.Position;var EdgeNodingValidator=jsts.geomgraph.EdgeNodingValidator;var GeometryGraphOperation=jsts.operation.GeometryGraphOperation;var OverlayNodeFactory=jsts.operation.overlay.OverlayNodeFactory;var PolygonBuilder=jsts.operation.overlay.PolygonBuilder;var LineBuilder=jsts.operation.overlay.LineBuilder;var PointBuilder=jsts.operation.overlay.PointBuilder;var Assert=jsts.util.Assert;var ArrayList=javascript.util.ArrayList;jsts.operation.overlay.OverlayOp=function(g0,g1){this.ptLocator=new PointLocator;this.edgeList=new EdgeList;this.resultPolyList=new ArrayList;this.resultLineList=new ArrayList;this.resultPointList=new ArrayList;GeometryGraphOperation.call(this,g0,g1);this.graph=new PlanarGraph(new OverlayNodeFactory);this.geomFact=g0.getFactory()};jsts.operation.overlay.OverlayOp.prototype=new GeometryGraphOperation;jsts.operation.overlay.OverlayOp.constructor=jsts.operation.overlay.OverlayOp;jsts.operation.overlay.OverlayOp.INTERSECTION=1;jsts.operation.overlay.OverlayOp.UNION=2;jsts.operation.overlay.OverlayOp.DIFFERENCE=3;jsts.operation.overlay.OverlayOp.SYMDIFFERENCE=4;jsts.operation.overlay.OverlayOp.overlayOp=function(geom0,geom1,opCode){var gov=new jsts.operation.overlay.OverlayOp(geom0,geom1);var geomOv=gov.getResultGeometry(opCode);return geomOv};jsts.operation.overlay.OverlayOp.isResultOfOp=function(label,opCode){if(arguments.length===3){return jsts.operation.overlay.OverlayOp.isResultOfOp2.apply(this,arguments)}var loc0=label.getLocation(0);var loc1=label.getLocation(1);return jsts.operation.overlay.OverlayOp.isResultOfOp2(loc0,loc1,opCode)};jsts.operation.overlay.OverlayOp.isResultOfOp2=function(loc0,loc1,opCode){if(loc0==Location.BOUNDARY)loc0=Location.INTERIOR;if(loc1==Location.BOUNDARY)loc1=Location.INTERIOR;switch(opCode){case jsts.operation.overlay.OverlayOp.INTERSECTION:return loc0==Location.INTERIOR&&loc1==Location.INTERIOR;case jsts.operation.overlay.OverlayOp.UNION:return loc0==Location.INTERIOR||loc1==Location.INTERIOR;case jsts.operation.overlay.OverlayOp.DIFFERENCE:return loc0==Location.INTERIOR&&loc1!=Location.INTERIOR;case jsts.operation.overlay.OverlayOp.SYMDIFFERENCE:return loc0==Location.INTERIOR&&loc1!=Location.INTERIOR||loc0!=Location.INTERIOR&&loc1==Location.INTERIOR}return false};jsts.operation.overlay.OverlayOp.prototype.ptLocator=null;jsts.operation.overlay.OverlayOp.prototype.geomFact=null;jsts.operation.overlay.OverlayOp.prototype.resultGeom=null;jsts.operation.overlay.OverlayOp.prototype.graph=null;jsts.operation.overlay.OverlayOp.prototype.edgeList=null;jsts.operation.overlay.OverlayOp.prototype.resultPolyList=null;jsts.operation.overlay.OverlayOp.prototype.resultLineList=null;jsts.operation.overlay.OverlayOp.prototype.resultPointList=null;jsts.operation.overlay.OverlayOp.prototype.getResultGeometry=function(funcCode){this.computeOverlay(funcCode);return this.resultGeom};jsts.operation.overlay.OverlayOp.prototype.getGraph=function(){return this.graph};jsts.operation.overlay.OverlayOp.prototype.computeOverlay=function(opCode){this.copyPoints(0);this.copyPoints(1);this.arg[0].computeSelfNodes(this.li,false);this.arg[1].computeSelfNodes(this.li,false);this.arg[0].computeEdgeIntersections(this.arg[1],this.li,true);var baseSplitEdges=new ArrayList;this.arg[0].computeSplitEdges(baseSplitEdges);this.arg[1].computeSplitEdges(baseSplitEdges);var splitEdges=baseSplitEdges;this.insertUniqueEdges(baseSplitEdges);this.computeLabelsFromDepths();this.replaceCollapsedEdges();EdgeNodingValidator.checkValid(this.edgeList.getEdges());this.graph.addEdges(this.edgeList.getEdges());this.computeLabelling();this.labelIncompleteNodes();this.findResultAreaEdges(opCode);this.cancelDuplicateResultEdges();var polyBuilder=new PolygonBuilder(this.geomFact);polyBuilder.add(this.graph);this.resultPolyList=polyBuilder.getPolygons();var lineBuilder=new LineBuilder(this,this.geomFact,this.ptLocator);this.resultLineList=lineBuilder.build(opCode);var pointBuilder=new PointBuilder(this,this.geomFact,this.ptLocator);this.resultPointList=pointBuilder.build(opCode);this.resultGeom=this.computeGeometry(this.resultPointList,this.resultLineList,this.resultPolyList,opCode)};jsts.operation.overlay.OverlayOp.prototype.insertUniqueEdges=function(edges){for(var i=edges.iterator();i.hasNext();){var e=i.next();this.insertUniqueEdge(e)}};jsts.operation.overlay.OverlayOp.prototype.insertUniqueEdge=function(e){var existingEdge=this.edgeList.findEqualEdge(e);if(existingEdge!==null){var existingLabel=existingEdge.getLabel();var labelToMerge=e.getLabel();if(!existingEdge.isPointwiseEqual(e)){labelToMerge=new Label(e.getLabel());labelToMerge.flip()}var depth=existingEdge.getDepth();if(depth.isNull()){depth.add(existingLabel)}depth.add(labelToMerge);existingLabel.merge(labelToMerge)}else{this.edgeList.add(e)}};jsts.operation.overlay.OverlayOp.prototype.computeLabelsFromDepths=function(){for(var it=this.edgeList.iterator();it.hasNext();){var e=it.next();var lbl=e.getLabel();var depth=e.getDepth();if(!depth.isNull()){depth.normalize();for(var i=0;i<2;i++){if(!lbl.isNull(i)&&lbl.isArea()&&!depth.isNull(i)){if(depth.getDelta(i)==0){lbl.toLine(i)}else{Assert.isTrue(!depth.isNull(i,Position.LEFT),"depth of LEFT side has not been initialized");lbl.setLocation(i,Position.LEFT,depth.getLocation(i,Position.LEFT));Assert.isTrue(!depth.isNull(i,Position.RIGHT),"depth of RIGHT side has not been initialized");lbl.setLocation(i,Position.RIGHT,depth.getLocation(i,Position.RIGHT))}}}}}};jsts.operation.overlay.OverlayOp.prototype.replaceCollapsedEdges=function(){var newEdges=new ArrayList;for(var it=this.edgeList.iterator();it.hasNext();){var e=it.next();if(e.isCollapsed()){it.remove();newEdges.add(e.getCollapsedEdge())}}this.edgeList.addAll(newEdges)};jsts.operation.overlay.OverlayOp.prototype.copyPoints=function(argIndex){for(var i=this.arg[argIndex].getNodeIterator();i.hasNext();){var graphNode=i.next();var newNode=this.graph.addNode(graphNode.getCoordinate());newNode.setLabel(argIndex,graphNode.getLabel().getLocation(argIndex))}};jsts.operation.overlay.OverlayOp.prototype.computeLabelling=function(){for(var nodeit=this.graph.getNodes().iterator();nodeit.hasNext();){var node=nodeit.next();node.getEdges().computeLabelling(this.arg)}this.mergeSymLabels();this.updateNodeLabelling()};jsts.operation.overlay.OverlayOp.prototype.mergeSymLabels=function(){for(var nodeit=this.graph.getNodes().iterator();nodeit.hasNext();){var node=nodeit.next();node.getEdges().mergeSymLabels()}};jsts.operation.overlay.OverlayOp.prototype.updateNodeLabelling=function(){for(var nodeit=this.graph.getNodes().iterator();nodeit.hasNext();){var node=nodeit.next();var lbl=node.getEdges().getLabel();node.getLabel().merge(lbl)}};jsts.operation.overlay.OverlayOp.prototype.labelIncompleteNodes=function(){var nodeCount=0;for(var ni=this.graph.getNodes().iterator();ni.hasNext();){var n=ni.next();var label=n.getLabel();if(n.isIsolated()){nodeCount++;if(label.isNull(0))this.labelIncompleteNode(n,0);else this.labelIncompleteNode(n,1)}n.getEdges().updateLabelling(label)}};jsts.operation.overlay.OverlayOp.prototype.labelIncompleteNode=function(n,targetIndex){var loc=this.ptLocator.locate(n.getCoordinate(),this.arg[targetIndex].getGeometry());n.getLabel().setLocation(targetIndex,loc)};jsts.operation.overlay.OverlayOp.prototype.findResultAreaEdges=function(opCode){for(var it=this.graph.getEdgeEnds().iterator();it.hasNext();){var de=it.next();var label=de.getLabel();if(label.isArea()&&!de.isInteriorAreaEdge()&&jsts.operation.overlay.OverlayOp.isResultOfOp(label.getLocation(0,Position.RIGHT),label.getLocation(1,Position.RIGHT),opCode)){de.setInResult(true)}}};jsts.operation.overlay.OverlayOp.prototype.cancelDuplicateResultEdges=function(){for(var it=this.graph.getEdgeEnds().iterator();it.hasNext();){var de=it.next();var sym=de.getSym();if(de.isInResult()&&sym.isInResult()){de.setInResult(false);sym.setInResult(false)}}};jsts.operation.overlay.OverlayOp.prototype.isCoveredByLA=function(coord){if(this.isCovered(coord,this.resultLineList))return true;if(this.isCovered(coord,this.resultPolyList))return true;return false};jsts.operation.overlay.OverlayOp.prototype.isCoveredByA=function(coord){if(this.isCovered(coord,this.resultPolyList))return true;return false};jsts.operation.overlay.OverlayOp.prototype.isCovered=function(coord,geomList){for(var it=geomList.iterator();it.hasNext();){var geom=it.next();var loc=this.ptLocator.locate(coord,geom);if(loc!=Location.EXTERIOR)return true}return false};jsts.operation.overlay.OverlayOp.prototype.computeGeometry=function(resultPointList,resultLineList,resultPolyList,opcode){var geomList=new ArrayList;geomList.addAll(resultPointList);geomList.addAll(resultLineList);geomList.addAll(resultPolyList);return this.geomFact.buildGeometry(geomList)};jsts.operation.overlay.OverlayOp.prototype.createEmptyResult=function(opCode){var result=null;switch(resultDimension(opCode,this.arg[0].getGeometry(),this.arg[1].getGeometry())){case-1:result=geomFact.createGeometryCollection();break;case 0:result=geomFact.createPoint(null);break;case 1:result=geomFact.createLineString(null);break;case 2:result=geomFact.createPolygon(null,null);break}return result};jsts.operation.overlay.OverlayOp.prototype.resultDimension=function(opCode,g0,g1){var dim0=g0.getDimension();var dim1=g1.getDimension();var resultDimension=-1;switch(opCode){case jsts.operation.overlay.OverlayOp.INTERSECTION:resultDimension=Math.min(dim0,dim1);break;case jsts.operation.overlay.OverlayOp.UNION:resultDimension=Math.max(dim0,dim1);break;case jsts.operation.overlay.OverlayOp.DIFFERENCE:resultDimension=dim0;break;case jsts.operation.overlay.OverlayOp.SYMDIFFERENCE:resultDimension=Math.max(dim0,dim1);break}return resultDimension}})();(function(){var OverlayOp=jsts.operation.overlay.OverlayOp;var GeometrySnapper=jsts.operation.overlay.snap.GeometrySnapper;var SnapOverlayOp=function(g1,g2){this.geom=[];this.geom[0]=g1;this.geom[1]=g2;this.computeSnapTolerance()};SnapOverlayOp.overlayOp=function(g0,g1,opCode){var op=new SnapOverlayOp(g0,g1);return op.getResultGeometry(opCode)};SnapOverlayOp.intersection=function(g0,g1){return this.overlayOp(g0,g1,OverlayOp.INTERSECTION)};SnapOverlayOp.union=function(g0,g1){return this.overlayOp(g0,g1,OverlayOp.UNION)};SnapOverlayOp.difference=function(g0,g1){return overlayOp(g0,g1,OverlayOp.DIFFERENCE)};SnapOverlayOp.symDifference=function(g0,g1){return overlayOp(g0,g1,OverlayOp.SYMDIFFERENCE)};SnapOverlayOp.prototype.geom=null;SnapOverlayOp.prototype.snapTolerance=null;SnapOverlayOp.prototype.computeSnapTolerance=function(){this.snapTolerance=GeometrySnapper.computeOverlaySnapTolerance(this.geom[0],this.geom[1])};SnapOverlayOp.prototype.getResultGeometry=function(opCode){var prepGeom=this.snap(this.geom);var result=OverlayOp.overlayOp(prepGeom[0],prepGeom[1],opCode);return this.prepareResult(result)};SnapOverlayOp.prototype.selfSnap=function(geom){var snapper0=new GeometrySnapper(geom);var snapGeom=snapper0.snapTo(geom,this.snapTolerance);return snapGeom};SnapOverlayOp.prototype.snap=function(geom){var remGeom=geom;var snapGeom=GeometrySnapper.snap(remGeom[0],remGeom[1],this.snapTolerance);return snapGeom};SnapOverlayOp.prototype.prepareResult=function(geom){return geom};SnapOverlayOp.prototype.cbr=null;SnapOverlayOp.prototype.removeCommonBits=function(geom){this.cbr=new jsts.precision.CommonBitsRemover;this.cbr.add(this.geom[0]);this.cbr.add(this.geom[1]);var remGeom=[];remGeom[0]=cbr.removeCommonBits(this.geom[0].clone());remGeom[1]=cbr.removeCommonBits(this.geom[1].clone());return remGeom};jsts.operation.overlay.snap.SnapOverlayOp=SnapOverlayOp})();jsts.geomgraph.index.EdgeSetIntersector=function(){};jsts.geomgraph.index.EdgeSetIntersector.prototype.computeIntersections=function(edges,si,testAllSegments){throw new jsts.error.AbstractMethodInvocationError};jsts.geomgraph.index.EdgeSetIntersector.prototype.computeIntersections2=function(edges0,edges1,si){throw new jsts.error.AbstractMethodInvocationError};jsts.geomgraph.index.SimpleMCSweepLineIntersector=function(){this.events=[]};jsts.geomgraph.index.SimpleMCSweepLineIntersector.prototype=new jsts.geomgraph.index.EdgeSetIntersector;jsts.geomgraph.index.SimpleMCSweepLineIntersector.prototype.events=null;jsts.geomgraph.index.SimpleMCSweepLineIntersector.prototype.nOverlaps=0;jsts.geomgraph.index.SimpleMCSweepLineIntersector.prototype.computeIntersections=function(edges,si,testAllSegments){if(si instanceof javascript.util.List){this.computeIntersections2.apply(this,arguments);return}if(testAllSegments){this.addList2(edges,null)}else{this.addList(edges)}this.computeIntersections3(si)};jsts.geomgraph.index.SimpleMCSweepLineIntersector.prototype.computeIntersections2=function(edges0,edges1,si){this.addList2(edges0,edges0);this.addList2(edges1,edges1);this.computeIntersections3(si)};jsts.geomgraph.index.SimpleMCSweepLineIntersector.prototype.add=function(edge,edgeSet){if(edge instanceof javascript.util.List){this.addList.apply(this,arguments);return}var mce=edge.getMonotoneChainEdge();var startIndex=mce.getStartIndexes();for(var i=0;i<startIndex.length-1;i++){var mc=new jsts.geomgraph.index.MonotoneChain(mce,i);var insertEvent=new jsts.geomgraph.index.SweepLineEvent(mce.getMinX(i),mc,edgeSet);this.events.push(insertEvent);this.events.push(new jsts.geomgraph.index.SweepLineEvent(mce.getMaxX(i),insertEvent))
}};jsts.geomgraph.index.SimpleMCSweepLineIntersector.prototype.addList=function(edges){for(var i=edges.iterator();i.hasNext();){var edge=i.next();this.add(edge,edge)}};jsts.geomgraph.index.SimpleMCSweepLineIntersector.prototype.addList2=function(edges,edgeSet){for(var i=edges.iterator();i.hasNext();){var edge=i.next();this.add(edge,edgeSet)}};jsts.geomgraph.index.SimpleMCSweepLineIntersector.prototype.prepareEvents=function(){this.events.sort(function(a,b){return a.compareTo(b)});for(var i=0;i<this.events.length;i++){var ev=this.events[i];if(ev.isDelete()){ev.getInsertEvent().setDeleteEventIndex(i)}}};jsts.geomgraph.index.SimpleMCSweepLineIntersector.prototype.computeIntersections3=function(si){this.nOverlaps=0;this.prepareEvents();for(var i=0;i<this.events.length;i++){var ev=this.events[i];if(ev.isInsert()){this.processOverlaps(i,ev.getDeleteEventIndex(),ev,si)}}};jsts.geomgraph.index.SimpleMCSweepLineIntersector.prototype.processOverlaps=function(start,end,ev0,si){var mc0=ev0.getObject();for(var i=start;i<end;i++){var ev1=this.events[i];if(ev1.isInsert()){var mc1=ev1.getObject();if(!ev0.isSameLabel(ev1)){mc0.computeIntersections(mc1,si);this.nOverlaps++}}}};jsts.algorithm.locate.SimplePointInAreaLocator=function(geom){this.geom=geom};jsts.algorithm.locate.SimplePointInAreaLocator.locate=function(p,geom){if(geom.isEmpty())return jsts.geom.Location.EXTERIOR;if(jsts.algorithm.locate.SimplePointInAreaLocator.containsPoint(p,geom))return jsts.geom.Location.INTERIOR;return jsts.geom.Location.EXTERIOR};jsts.algorithm.locate.SimplePointInAreaLocator.containsPoint=function(p,geom){if(geom instanceof jsts.geom.Polygon){return jsts.algorithm.locate.SimplePointInAreaLocator.containsPointInPolygon(p,geom)}else if(geom instanceof jsts.geom.GeometryCollection||geom instanceof jsts.geom.MultiPoint||geom instanceof jsts.geom.MultiLineString||geom instanceof jsts.geom.MultiPolygon){for(var i=0;i<geom.geometries.length;i++){var g2=geom.geometries[i];if(g2!==geom)if(jsts.algorithm.locate.SimplePointInAreaLocator.containsPoint(p,g2))return true}}return false};jsts.algorithm.locate.SimplePointInAreaLocator.containsPointInPolygon=function(p,poly){if(poly.isEmpty())return false;var shell=poly.getExteriorRing();if(!jsts.algorithm.locate.SimplePointInAreaLocator.isPointInRing(p,shell))return false;for(var i=0;i<poly.getNumInteriorRing();i++){var hole=poly.getInteriorRingN(i);if(jsts.algorithm.locate.SimplePointInAreaLocator.isPointInRing(p,hole))return false}return true};jsts.algorithm.locate.SimplePointInAreaLocator.isPointInRing=function(p,ring){if(!ring.getEnvelopeInternal().intersects(p))return false;return jsts.algorithm.CGAlgorithms.isPointInRing(p,ring.getCoordinates())};jsts.algorithm.locate.SimplePointInAreaLocator.prototype.geom=null;jsts.algorithm.locate.SimplePointInAreaLocator.prototype.locate=function(p){return jsts.algorithm.locate.SimplePointInAreaLocator.locate(p,geom)};(function(){var Location=jsts.geom.Location;var Position=jsts.geomgraph.Position;var EdgeEndStar=jsts.geomgraph.EdgeEndStar;var Assert=jsts.util.Assert;jsts.geomgraph.DirectedEdgeStar=function(){jsts.geomgraph.EdgeEndStar.call(this)};jsts.geomgraph.DirectedEdgeStar.prototype=new EdgeEndStar;jsts.geomgraph.DirectedEdgeStar.constructor=jsts.geomgraph.DirectedEdgeStar;jsts.geomgraph.DirectedEdgeStar.prototype.resultAreaEdgeList=null;jsts.geomgraph.DirectedEdgeStar.prototype.label=null;jsts.geomgraph.DirectedEdgeStar.prototype.insert=function(ee){var de=ee;this.insertEdgeEnd(de,de)};jsts.geomgraph.DirectedEdgeStar.prototype.getLabel=function(){return this.label};jsts.geomgraph.DirectedEdgeStar.prototype.getOutgoingDegree=function(){var degree=0;for(var it=this.iterator();it.hasNext();){var de=it.next();if(de.isInResult())degree++}return degree};jsts.geomgraph.DirectedEdgeStar.prototype.getOutgoingDegree=function(er){var degree=0;for(var it=this.iterator();it.hasNext();){var de=it.next();if(de.getEdgeRing()===er)degree++}return degree};jsts.geomgraph.DirectedEdgeStar.prototype.getRightmostEdge=function(){var edges=this.getEdges();var size=edges.size();if(size<1)return null;var de0=edges.get(0);if(size==1)return de0;var deLast=edges.get(size-1);var quad0=de0.getQuadrant();var quad1=deLast.getQuadrant();if(jsts.geomgraph.Quadrant.isNorthern(quad0)&&jsts.geomgraph.Quadrant.isNorthern(quad1))return de0;else if(!jsts.geomgraph.Quadrant.isNorthern(quad0)&&!jsts.geomgraph.Quadrant.isNorthern(quad1))return deLast;else{var nonHorizontalEdge=null;if(de0.getDy()!=0)return de0;else if(deLast.getDy()!=0)return deLast}Assert.shouldNeverReachHere("found two horizontal edges incident on node");return null};jsts.geomgraph.DirectedEdgeStar.prototype.computeLabelling=function(geom){EdgeEndStar.prototype.computeLabelling.call(this,geom);this.label=new jsts.geomgraph.Label(Location.NONE);for(var it=this.iterator();it.hasNext();){var ee=it.next();var e=ee.getEdge();var eLabel=e.getLabel();for(var i=0;i<2;i++){var eLoc=eLabel.getLocation(i);if(eLoc===Location.INTERIOR||eLoc===Location.BOUNDARY)this.label.setLocation(i,Location.INTERIOR)}}};jsts.geomgraph.DirectedEdgeStar.prototype.mergeSymLabels=function(){for(var it=this.iterator();it.hasNext();){var de=it.next();var label=de.getLabel();label.merge(de.getSym().getLabel())}};jsts.geomgraph.DirectedEdgeStar.prototype.updateLabelling=function(nodeLabel){for(var it=this.iterator();it.hasNext();){var de=it.next();var label=de.getLabel();label.setAllLocationsIfNull(0,nodeLabel.getLocation(0));label.setAllLocationsIfNull(1,nodeLabel.getLocation(1))}};jsts.geomgraph.DirectedEdgeStar.prototype.getResultAreaEdges=function(){if(this.resultAreaEdgeList!==null)return this.resultAreaEdgeList;this.resultAreaEdgeList=new javascript.util.ArrayList;for(var it=this.iterator();it.hasNext();){var de=it.next();if(de.isInResult()||de.getSym().isInResult())this.resultAreaEdgeList.add(de)}return this.resultAreaEdgeList};jsts.geomgraph.DirectedEdgeStar.prototype.SCANNING_FOR_INCOMING=1;jsts.geomgraph.DirectedEdgeStar.prototype.LINKING_TO_OUTGOING=2;jsts.geomgraph.DirectedEdgeStar.prototype.linkResultDirectedEdges=function(){this.getResultAreaEdges();var firstOut=null;var incoming=null;var state=this.SCANNING_FOR_INCOMING;for(var i=0;i<this.resultAreaEdgeList.size();i++){var nextOut=this.resultAreaEdgeList.get(i);var nextIn=nextOut.getSym();if(!nextOut.getLabel().isArea())continue;if(firstOut===null&&nextOut.isInResult())firstOut=nextOut;switch(state){case this.SCANNING_FOR_INCOMING:if(!nextIn.isInResult())continue;incoming=nextIn;state=this.LINKING_TO_OUTGOING;break;case this.LINKING_TO_OUTGOING:if(!nextOut.isInResult())continue;incoming.setNext(nextOut);state=this.SCANNING_FOR_INCOMING;break}}if(state===this.LINKING_TO_OUTGOING){if(firstOut===null)throw new jsts.error.TopologyError("no outgoing dirEdge found",this.getCoordinate());Assert.isTrue(firstOut.isInResult(),"unable to link last incoming dirEdge");incoming.setNext(firstOut)}};jsts.geomgraph.DirectedEdgeStar.prototype.linkMinimalDirectedEdges=function(er){var firstOut=null;var incoming=null;var state=this.SCANNING_FOR_INCOMING;for(var i=this.resultAreaEdgeList.size()-1;i>=0;i--){var nextOut=this.resultAreaEdgeList.get(i);var nextIn=nextOut.getSym();if(firstOut===null&&nextOut.getEdgeRing()===er)firstOut=nextOut;switch(state){case this.SCANNING_FOR_INCOMING:if(nextIn.getEdgeRing()!=er)continue;incoming=nextIn;state=this.LINKING_TO_OUTGOING;break;case this.LINKING_TO_OUTGOING:if(nextOut.getEdgeRing()!==er)continue;incoming.setNextMin(nextOut);state=this.SCANNING_FOR_INCOMING;break}}if(state===this.LINKING_TO_OUTGOING){Assert.isTrue(firstOut!==null,"found null for first outgoing dirEdge");Assert.isTrue(firstOut.getEdgeRing()===er,"unable to link last incoming dirEdge");incoming.setNextMin(firstOut)}};jsts.geomgraph.DirectedEdgeStar.prototype.linkAllDirectedEdges=function(){this.getEdges();var prevOut=null;var firstIn=null;for(var i=this.edgeList.size()-1;i>=0;i--){var nextOut=this.edgeList.get(i);var nextIn=nextOut.getSym();if(firstIn===null)firstIn=nextIn;if(prevOut!==null)nextIn.setNext(prevOut);prevOut=nextOut}firstIn.setNext(prevOut)};jsts.geomgraph.DirectedEdgeStar.prototype.findCoveredLineEdges=function(){var startLoc=Location.NONE;for(var it=this.iterator();it.hasNext();){var nextOut=it.next();var nextIn=nextOut.getSym();if(!nextOut.isLineEdge()){if(nextOut.isInResult()){startLoc=Location.INTERIOR;break}if(nextIn.isInResult()){startLoc=Location.EXTERIOR;break}}}if(startLoc===Location.NONE)return;var currLoc=startLoc;for(var it=this.iterator();it.hasNext();){var nextOut=it.next();var nextIn=nextOut.getSym();if(nextOut.isLineEdge()){nextOut.getEdge().setCovered(currLoc===Location.INTERIOR)}else{if(nextOut.isInResult())currLoc=Location.EXTERIOR;if(nextIn.isInResult())currLoc=Location.INTERIOR}}};jsts.geomgraph.DirectedEdgeStar.prototype.computeDepths=function(de){if(arguments.length===2){this.computeDepths2.apply(this,arguments);return}var edgeIndex=this.findIndex(de);var label=de.getLabel();var startDepth=de.getDepth(Position.LEFT);var targetLastDepth=de.getDepth(Position.RIGHT);var nextDepth=this.computeDepths2(edgeIndex+1,this.edgeList.size(),startDepth);var lastDepth=this.computeDepths2(0,edgeIndex,nextDepth);if(lastDepth!=targetLastDepth)throw new jsts.error.TopologyError("depth mismatch at "+de.getCoordinate())};jsts.geomgraph.DirectedEdgeStar.prototype.computeDepths2=function(startIndex,endIndex,startDepth){var currDepth=startDepth;for(var i=startIndex;i<endIndex;i++){var nextDe=this.edgeList.get(i);var label=nextDe.getLabel();nextDe.setEdgeDepths(Position.RIGHT,currDepth);currDepth=nextDe.getDepth(Position.LEFT)}return currDepth}})();jsts.algorithm.CentroidLine=function(){this.centSum=new jsts.geom.Coordinate};jsts.algorithm.CentroidLine.prototype.centSum=null;jsts.algorithm.CentroidLine.prototype.totalLength=0;jsts.algorithm.CentroidLine.prototype.add=function(geom){if(geom instanceof Array){this.add2.apply(this,arguments);return}if(geom instanceof jsts.geom.LineString){this.add(geom.getCoordinates())}else if(geom instanceof jsts.geom.Polygon){var poly=geom;this.add(poly.getExteriorRing().getCoordinates());for(var i=0;i<poly.getNumInteriorRing();i++){this.add(poly.getInteriorRingN(i).getCoordinates())}}else if(geom instanceof jsts.geom.GeometryCollection||geom instanceof jsts.geom.MultiPoint||geom instanceof jsts.geom.MultiLineString||geom instanceof jsts.geom.MultiPolygon){var gc=geom;for(var i=0;i<gc.getNumGeometries();i++){this.add(gc.getGeometryN(i))}}};jsts.algorithm.CentroidLine.prototype.getCentroid=function(){var cent=new jsts.geom.Coordinate;cent.x=this.centSum.x/this.totalLength;cent.y=this.centSum.y/this.totalLength;return cent};jsts.algorithm.CentroidLine.prototype.add2=function(pts){for(var i=0;i<pts.length-1;i++){var segmentLen=pts[i].distance(pts[i+1]);this.totalLength+=segmentLen;var midx=(pts[i].x+pts[i+1].x)/2;this.centSum.x+=segmentLen*midx;var midy=(pts[i].y+pts[i+1].y)/2;this.centSum.y+=segmentLen*midy}};jsts.index.IntervalSize=function(){};jsts.index.IntervalSize.MIN_BINARY_EXPONENT=-50;jsts.index.IntervalSize.isZeroWidth=function(min,max){var width=max-min;if(width===0){return true}var maxAbs,scaledInterval,level;maxAbs=Math.max(Math.abs(min),Math.abs(max));scaledInterval=width/maxAbs;level=jsts.index.DoubleBits.exponent(scaledInterval);return level<=jsts.index.IntervalSize.MIN_BINARY_EXPONENT};jsts.geomgraph.index.SimpleEdgeSetIntersector=function(){};jsts.geomgraph.index.SimpleEdgeSetIntersector.prototype=new jsts.geomgraph.index.EdgeSetIntersector;jsts.geomgraph.index.SimpleEdgeSetIntersector.prototype.nOverlaps=0;jsts.geomgraph.index.SimpleEdgeSetIntersector.prototype.computeIntersections=function(edges,si,testAllSegments){if(si instanceof javascript.util.List){this.computeIntersections2.apply(this,arguments);return}this.nOverlaps=0;for(var i0=edges.iterator();i0.hasNext();){var edge0=i0.next();for(var i1=edges.iterator();i1.hasNext();){var edge1=i1.next();if(testAllSegments||edge0!=edge1)this.computeIntersects(edge0,edge1,si)}}};jsts.geomgraph.index.SimpleEdgeSetIntersector.prototype.computeIntersections2=function(edges0,edges1,si){this.nOverlaps=0;for(var i0=edges0.iterator();i0.hasNext();){var edge0=i0.next();for(var i1=edges1.iterator();i1.hasNext();){var edge1=i1.next();this.computeIntersects(edge0,edge1,si)}}};jsts.geomgraph.index.SimpleEdgeSetIntersector.prototype.computeIntersects=function(e0,e1,si){var pts0=e0.getCoordinates();var pts1=e1.getCoordinates();var i0,i1;for(i0=0;i0<pts0.length-1;i0++){for(i1=0;i1<pts1.length-1;i1++){si.addIntersections(e0,i0,e1,i1)}}};jsts.geomgraph.Edge=function(pts,label){this.pts=pts;this.label=label;this.eiList=new jsts.geomgraph.EdgeIntersectionList(this);this.depth=new jsts.geomgraph.Depth};jsts.geomgraph.Edge.prototype=new jsts.geomgraph.GraphComponent;jsts.geomgraph.Edge.constructor=jsts.geomgraph.Edge;jsts.geomgraph.Edge.updateIM=function(label,im){im.setAtLeastIfValid(label.getLocation(0,jsts.geomgraph.Position.ON),label.getLocation(1,jsts.geomgraph.Position.ON),1);if(label.isArea()){im.setAtLeastIfValid(label.getLocation(0,jsts.geomgraph.Position.LEFT),label.getLocation(1,jsts.geomgraph.Position.LEFT),2);im.setAtLeastIfValid(label.getLocation(0,jsts.geomgraph.Position.RIGHT),label.getLocation(1,jsts.geomgraph.Position.RIGHT),2)}};jsts.geomgraph.Edge.prototype.pts=null;jsts.geomgraph.Edge.prototype.env=null;jsts.geomgraph.Edge.prototype.name=null;jsts.geomgraph.Edge.prototype.mce=null;jsts.geomgraph.Edge.prototype._isIsolated=true;jsts.geomgraph.Edge.prototype.depth=null;jsts.geomgraph.Edge.prototype.depthDelta=0;jsts.geomgraph.Edge.prototype.eiList=null;jsts.geomgraph.Edge.prototype.getNumPoints=function(){return this.pts.length};jsts.geomgraph.Edge.prototype.getEnvelope=function(){if(this.env===null){this.env=new jsts.geom.Envelope;for(var i=0;i<this.pts.length;i++){this.env.expandToInclude(pts[i])}}return env};jsts.geomgraph.Edge.prototype.getDepth=function(){return this.depth};jsts.geomgraph.Edge.prototype.getDepthDelta=function(){return this.depthDelta};jsts.geomgraph.Edge.prototype.setDepthDelta=function(depthDelta){this.depthDelta=depthDelta};jsts.geomgraph.Edge.prototype.getCoordinates=function(){return this.pts};jsts.geomgraph.Edge.prototype.getCoordinate=function(i){if(i===undefined){if(this.pts.length>0){return this.pts[0]}else{return null}}return this.pts[i]};jsts.geomgraph.Edge.prototype.isClosed=function(){return this.pts[0].equals(this.pts[this.pts.length-1])};jsts.geomgraph.Edge.prototype.setIsolated=function(isIsolated){this._isIsolated=isIsolated};jsts.geomgraph.Edge.prototype.isIsolated=function(){return this._isIsolated};jsts.geomgraph.Edge.prototype.addIntersections=function(li,segmentIndex,geomIndex){for(var i=0;i<li.getIntersectionNum();i++){this.addIntersection(li,segmentIndex,geomIndex,i)}};jsts.geomgraph.Edge.prototype.addIntersection=function(li,segmentIndex,geomIndex,intIndex){var intPt=new jsts.geom.Coordinate(li.getIntersection(intIndex));var normalizedSegmentIndex=segmentIndex;var dist=li.getEdgeDistance(geomIndex,intIndex);var nextSegIndex=normalizedSegmentIndex+1;if(nextSegIndex<this.pts.length){var nextPt=this.pts[nextSegIndex];if(intPt.equals2D(nextPt)){normalizedSegmentIndex=nextSegIndex;dist=0}}var ei=this.eiList.add(intPt,normalizedSegmentIndex,dist)};jsts.geomgraph.Edge.prototype.getMaximumSegmentIndex=function(){return this.pts.length-1};jsts.geomgraph.Edge.prototype.getEdgeIntersectionList=function(){return this.eiList};jsts.geomgraph.Edge.prototype.getMonotoneChainEdge=function(){if(this.mce==null){this.mce=new jsts.geomgraph.index.MonotoneChainEdge(this)}return this.mce};jsts.geomgraph.Edge.prototype.isClosed=function(){return this.pts[0].equals(this.pts[this.pts.length-1])};jsts.geomgraph.Edge.prototype.isCollapsed=function(){if(!this.label.isArea())return false;if(this.pts.length!=3)return false;if(this.pts[0].equals(this.pts[2]))return true;return false};jsts.geomgraph.Edge.prototype.getCollapsedEdge=function(){var newPts=[];newPts[0]=this.pts[0];newPts[1]=this.pts[1];var newe=new jsts.geomgraph.Edge(newPts,jsts.geomgraph.Label.toLineLabel(this.label));return newe};jsts.geomgraph.Edge.prototype.computeIM=function(im){jsts.geomgraph.Edge.updateIM(this.label,im)};jsts.geomgraph.Edge.prototype.isPointwiseEqual=function(e){if(this.pts.length!=e.pts.length)return false;for(var i=0;i<this.pts.length;i++){if(!this.pts[i].equals2D(e.pts[i])){return false}}return true};jsts.noding.Octant=function(){throw jsts.error.AbstractMethodInvocationError()};jsts.noding.Octant.octant=function(dx,dy){if(dx instanceof jsts.geom.Coordinate){return jsts.noding.Octant.octant2.apply(this,arguments)}if(dx===0&&dy===0)throw new jsts.error.IllegalArgumentError("Cannot compute the octant for point ( "+dx+", "+dy+" )");var adx=Math.abs(dx);var ady=Math.abs(dy);if(dx>=0){if(dy>=0){if(adx>=ady)return 0;else return 1}else{if(adx>=ady)return 7;else return 6}}else{if(dy>=0){if(adx>=ady)return 3;else return 2}else{if(adx>=ady)return 4;else return 5}}};jsts.noding.Octant.octant2=function(p0,p1){var dx=p1.x-p0.x;var dy=p1.y-p0.y;if(dx===0&&dy===0)throw new jsts.error.IllegalArgumentError("Cannot compute the octant for two identical points "+p0);return jsts.noding.Octant.octant(dx,dy)};jsts.operation.union.UnionInteracting=function(g0,g1){this.g0=g0;this.g1=g1;this.geomFactory=g0.getFactory();this.interacts0=[];this.interacts1=[]};jsts.operation.union.UnionInteracting.union=function(g0,g1){var uue=new jsts.operation.union.UnionInteracting(g0,g1);return uue.union()};jsts.operation.union.UnionInteracting.prototype.geomFactory=null;jsts.operation.union.UnionInteracting.prototype.g0=null;jsts.operation.union.UnionInteracting.prototype.g1=null;jsts.operation.union.UnionInteracting.prototype.interacts0=null;jsts.operation.union.UnionInteracting.prototype.interacts1=null;jsts.operation.union.UnionInteracting.prototype.union=function(){this.computeInteracting();var int0=this.extractElements(this.g0,this.interacts0,true);var int1=this.extractElements(this.g1,this.interacts1,true);if(int0.isEmpty()||int1.isEmpty()){}var union=in0.union(int1);var disjoint0=this.extractElements(this.g0,this.interacts0,false);var disjoint1=this.extractElements(this.g1,this.interacts1,false);var overallUnion=jsts.geom.util.GeometryCombiner.combine(union,disjoint0,disjoint1);return overallUnion};jsts.operation.union.UnionInteracting.prototype.bufferUnion=function(g0,g1){var factory=g0.getFactory();var gColl=factory.createGeometryCollection([g0,g1]);var unionAll=gColl.buffer(0);return unionAll};jsts.operation.union.UnionInteracting.prototype.computeInteracting=function(elem0){if(!elem0){for(var i=0,l=this.g0.getNumGeometries();i<l;i++){var elem=this.g0.getGeometryN(i);this.interacts0[i]=this.computeInteracting(elem)}}else{var interactsWithAny=false;for(var i=0,l=g1.getNumGeometries();i<l;i++){var elem1=this.g1.getGeometryN(i);var interacts=elem1.getEnvelopeInternal().intersects(elem0.getEnvelopeInternal());if(interacts){this.interacts1[i]=true;interactsWithAny=true}}return interactsWithAny}};jsts.operation.union.UnionInteracting.prototype.extractElements=function(geom,interacts,isInteracting){var extractedGeoms=[];for(var i=0,l=geom.getNumGeometries();i<l;i++){var elem=geom.getGeometryN(i);if(interacts[i]===isInteracting){extractedGeoms.push(elem)}}return this.geomFactory.buildGeometry(extractedGeoms)};jsts.triangulate.quadedge.TrianglePredicate=function(){};jsts.triangulate.quadedge.TrianglePredicate.isInCircleNonRobust=function(a,b,c,p){var isInCircle=(a.x*a.x+a.y*a.y)*jsts.triangulate.quadedge.TrianglePredicate.triArea(b,c,p)-(b.x*b.x+b.y*b.y)*jsts.triangulate.quadedge.TrianglePredicate.triArea(a,c,p)+(c.x*c.x+c.y*c.y)*jsts.triangulate.quadedge.TrianglePredicate.triArea(a,b,p)-(p.x*p.x+p.y*p.y)*jsts.triangulate.quadedge.TrianglePredicate.triArea(a,b,c)>0;return isInCircle};jsts.triangulate.quadedge.TrianglePredicate.isInCircleNormalized=function(a,b,c,p){var adx,ady,bdx,bdy,cdx,cdy,abdet,bcdet,cadet,alift,blift,clift,disc;adx=a.x-p.x;ady=a.y-p.y;bdx=b.x-p.x;bdy=b.y-p.y;cdx=c.x-p.x;cdy=c.y-p.y;abdet=adx*bdy-bdx*ady;bcdet=bdx*cdy-cdx*bdy;cadet=cdx*ady-adx*cdy;alift=adx*adx+ady*ady;blift=bdx*bdx+bdy*bdy;clift=cdx*cdx+cdy*cdy;disc=alift*bcdet+blift*cadet+clift*abdet;return disc>0};jsts.triangulate.quadedge.TrianglePredicate.triArea=function(a,b,c){return(b.x-a.x)*(c.y-a.y)-(b.y-a.y)*(c.x-a.x)};jsts.triangulate.quadedge.TrianglePredicate.isInCircleRobust=function(a,b,c,p){return jsts.triangulate.quadedge.TrianglePredicate.isInCircleNormalized(a,b,c,p)};jsts.triangulate.quadedge.TrianglePredicate.isInCircleDDSlow=function(a,b,c,p){var px,py,ax,ay,bx,by,cx,cy,aTerm,bTerm,cTerm,pTerm,sum,isInCircle;px=jsts.math.DD.valueOf(p.x);py=jsts.math.DD.valueOf(p.y);ax=jsts.math.DD.valueOf(a.x);ay=jsts.math.DD.valueOf(a.y);bx=jsts.math.DD.valueOf(b.x);by=jsts.math.DD.valueOf(b.y);cx=jsts.math.DD.valueOf(c.x);cy=jsts.math.DD.valueOf(c.y);aTerm=ax.multiply(ax).add(ay.multiply(ay)).multiply(jsts.triangulate.quadedge.TrianglePredicate.triAreaDDSlow(bx,by,cx,cy,px,py));bTerm=bx.multiply(bx).add(by.multiply(by)).multiply(jsts.triangulate.quadedge.TrianglePredicate.triAreaDDSlow(ax,ay,cx,cy,px,py));cTerm=cx.multiply(cx).add(cy.multiply(cy)).multiply(jsts.triangulate.quadedge.TrianglePredicate.triAreaDDSlow(ax,ay,bx,by,px,py));pTerm=px.multiply(px).add(py.multiply(py)).multiply(jsts.triangulate.quadedge.TrianglePredicate.triAreaDDSlow(ax,ay,bx,by,cx,cy));sum=aTerm.subtract(bTerm).add(cTerm).subtract(pTerm);isInCircle=sum.doubleValue()>0;return isInCircle};jsts.triangulate.quadedge.TrianglePredicate.triAreaDDSlow=function(ax,ay,bx,by,cx,cy){return bx.subtract(ax).multiply(cy.subtract(ay)).subtract(by.subtract(ay).multiply(cx.subtract(ax)))};jsts.triangulate.quadedge.TrianglePredicate.isInCircleDDFast=function(a,b,c,p){var aTerm,bTerm,cTerm,pTerm,sum,isInCircle;aTerm=jsts.math.DD.sqr(a.x).selfAdd(jsts.math.DD.sqr(a.y)).selfMultiply(jsts.triangulate.quadedge.TrianglePredicate.triAreaDDFast(b,c,p));bTerm=jsts.math.DD.sqr(b.x).selfAdd(jsts.math.DD.sqr(b.y)).selfMultiply(jsts.triangulate.quadedge.TrianglePredicate.triAreaDDFast(a,c,p));cTerm=jsts.math.DD.sqr(c.x).selfAdd(jsts.math.DD.sqr(c.y)).selfMultiply(jsts.triangulate.quadedge.TrianglePredicate.triAreaDDFast(a,b,p));pTerm=jsts.math.DD.sqr(p.x).selfAdd(jsts.math.DD.sqr(p.y)).selfMultiply(jsts.triangulate.quadedge.TrianglePredicate.triAreaDDFast(a,b,c));sum=aTerm.selfSubtract(bTerm).selfAdd(cTerm).selfSubtract(pTerm);isInCircle=sum.doubleValue()>0;return isInCircle};jsts.triangulate.quadedge.TrianglePredicate.triAreaDDFast=function(a,b,c){var t1,t2;t1=jsts.math.DD.valueOf(b.x).selfSubtract(a.x).selfMultiply(jsts.math.DD.valueOf(c.y).selfSubtract(a.y));t2=jsts.math.DD.valueOf(b.y).selSubtract(a.y).selfMultiply(jsts.math.DD.valueOf(c.x).selfSubtract(a.x));return t1.selfSubtract(t2)};jsts.triangulate.quadedge.TrianglePredicate.isInCircleDDNormalized=function(a,b,c,p){var adx,ady,bdx,bdy,cdx,cdy,abdet,bcdet,cadet,alift,blift,clift,sum,isInCircle;adx=jsts.math.DD.valueOf(a.x).selfSubtract(p.x);ady=jsts.math.DD.valueOf(a.y).selfSubtract(p.y);bdx=jsts.math.DD.valueOf(b.x).selfSubtract(p.x);bdx=jsts.math.DD.valueOf(b.y).selfSubtract(p.y);cdx=jsts.math.DD.valueOf(c.x).selfSubtract(p.x);cdx=jsts.math.DD.valueOf(c.y).selfSubtract(p.y);abdet=adx.multiply(bdy).selfSubtract(bdx.multiply(ady));bcdet=bdx.multiply(cdy).selfSubtract(cdx.multiply(bdy));cadet=cdx.multiply(ady).selfSubtract(adx.multiply(cdy));alift=adx.multiply(adx).selfAdd(ady.multiply(ady));blift=bdx.multiply(bdx).selfAdd(bdy.multiply(bdy));clift=cdx.multiply(cdx).selfAdd(cdy.multiply(cdy));sum=alift.selfMultiply(bcdet).selfAdd(blift.selfMultiply(cadet)).selfAdd(clift.selfMultiply(abdet));isInCircle=sum.doubleValue()>0;return isInCircle};jsts.triangulate.quadedge.TrianglePredicate.isInCircleCC=function(a,b,c,p){var cc,ccRadius,pRadiusDiff;cc=jsts.geom.Triangle.circumcentre(a,b,c);ccRadius=a.distance(cc);pRadiusDiff=p.distance(cc)-ccRadius;return pRadiusDiff<=0};jsts.operation.union.PointGeometryUnion=function(pointGeom,otherGeom){this.pointGeom=pointGeom;this.otherGeom=otherGeom;this.geomFact=otherGeom.getFactory()};jsts.operation.union.PointGeometryUnion.union=function(pointGeom,otherGeom){var unioner=new jsts.operation.union.PointGeometryUnion(pointGeom,otherGeom);return unioner.union()};jsts.operation.union.PointGeometryUnion.prototype.pointGeom=null;jsts.operation.union.PointGeometryUnion.prototype.otherGeom=null;jsts.operation.union.PointGeometryUnion.prototype.geomFact=null;jsts.operation.union.PointGeometryUnion.prototype.union=function(){var locator=new jsts.algorithm.PointLocator;var exteriorCoords=[];for(var i=0,l=this.pointGeom.getNumGeometries();i<l;i++){var point=this.pointGeom.getGeometryN(i);var coord=point.getCoordinate();var loc=locator.locate(coord,this.otherGeom);if(loc===jsts.geom.Location.EXTERIOR){var include=true;for(var j=exteriorCoords.length;i--;){if(exteriorCoords[j].equals(coord)){include=false;break}}if(include){exteriorCoords.push(coord)}}}exteriorCoords.sort(function(x,y){return x.compareTo(y)});if(exteriorCoords.length===0){return this.otherGeom}var ptComp=null;var coords=jsts.geom.CoordinateArrays.toCoordinateArray(exteriorCoords);if(coords.length===1){ptComp=this.geomFact.createPoint(coords[0])}else{ptComp=this.geomFact.createMultiPoint(coords)}return jsts.geom.util.GeometryCombiner.combine(ptComp,this.otherGeom)};jsts.noding.IntersectionFinderAdder=function(li){this.li=li;this.interiorIntersections=new javascript.util.ArrayList};jsts.noding.IntersectionFinderAdder.prototype=new jsts.noding.SegmentIntersector;jsts.noding.IntersectionFinderAdder.constructor=jsts.noding.IntersectionFinderAdder;jsts.noding.IntersectionFinderAdder.prototype.li=null;jsts.noding.IntersectionFinderAdder.prototype.interiorIntersections=null;jsts.noding.IntersectionFinderAdder.prototype.getInteriorIntersections=function(){return this.interiorIntersections};jsts.noding.IntersectionFinderAdder.prototype.processIntersections=function(e0,segIndex0,e1,segIndex1){if(e0===e1&&segIndex0===segIndex1)return;var p00=e0.getCoordinates()[segIndex0];var p01=e0.getCoordinates()[segIndex0+1];var p10=e1.getCoordinates()[segIndex1];var p11=e1.getCoordinates()[segIndex1+1];this.li.computeIntersection(p00,p01,p10,p11);if(this.li.hasIntersection()){if(this.li.isInteriorIntersection()){for(var intIndex=0;intIndex<this.li.getIntersectionNum();intIndex++){this.interiorIntersections.add(this.li.getIntersection(intIndex))}e0.addIntersections(this.li,segIndex0,0);e1.addIntersections(this.li,segIndex1,1)}}};jsts.noding.IntersectionFinderAdder.prototype.isDone=function(){return false};jsts.noding.snapround.MCIndexSnapRounder=function(pm){this.pm=pm;this.li=new jsts.algorithm.RobustLineIntersector;this.li.setPrecisionModel(pm);this.scaleFactor=pm.getScale()};jsts.noding.snapround.MCIndexSnapRounder.prototype=new jsts.noding.Noder;jsts.noding.snapround.MCIndexSnapRounder.constructor=jsts.noding.snapround.MCIndexSnapRounder;jsts.noding.snapround.MCIndexSnapRounder.prototype.pm=null;jsts.noding.snapround.MCIndexSnapRounder.prototype.li=null;jsts.noding.snapround.MCIndexSnapRounder.prototype.scaleFactor=null;jsts.noding.snapround.MCIndexSnapRounder.prototype.noder=null;jsts.noding.snapround.MCIndexSnapRounder.prototype.pointSnapper=null;jsts.noding.snapround.MCIndexSnapRounder.prototype.nodedSegStrings=null;jsts.noding.snapround.MCIndexSnapRounder.prototype.getNodedSubstrings=function(){return jsts.noding.NodedSegmentString.getNodedSubstrings(this.nodedSegStrings)};jsts.noding.snapround.MCIndexSnapRounder.prototype.computeNodes=function(inputSegmentStrings){this.nodedSegStrings=inputSegmentStrings;this.noder=new jsts.noding.MCIndexNoder;this.pointSnapper=new jsts.noding.snapround.MCIndexPointSnapper(this.noder.getIndex());this.snapRound(inputSegmentStrings,this.li)};jsts.noding.snapround.MCIndexSnapRounder.prototype.snapRound=function(segStrings,li){var intersections=this.findInteriorIntersections(segStrings,li);this.computeIntersectionSnaps(intersections);this.computeVertexSnaps(segStrings)};jsts.noding.snapround.MCIndexSnapRounder.prototype.findInteriorIntersections=function(segStrings,li){var intFinderAdder=new jsts.noding.IntersectionFinderAdder(li);this.noder.setSegmentIntersector(intFinderAdder);this.noder.computeNodes(segStrings);return intFinderAdder.getInteriorIntersections()};jsts.noding.snapround.MCIndexSnapRounder.prototype.computeIntersectionSnaps=function(snapPts){for(var it=snapPts.iterator();it.hasNext();){var snapPt=it.next();var hotPixel=new jsts.noding.snapround.HotPixel(snapPt,this.scaleFactor,this.li);this.pointSnapper.snap(hotPixel)}};jsts.noding.snapround.MCIndexSnapRounder.prototype.computeVertexSnaps=function(edges){if(edges instanceof jsts.noding.NodedSegmentString){this.computeVertexSnaps2.apply(this,arguments);return}for(var i0=edges.iterator();i0.hasNext();){var edge0=i0.next();this.computeVertexSnaps(edge0)}};jsts.noding.snapround.MCIndexSnapRounder.prototype.computeVertexSnaps2=function(e){var pts0=e.getCoordinates();for(var i=0;i<pts0.length-1;i++){var hotPixel=new jsts.noding.snapround.HotPixel(pts0[i],this.scaleFactor,this.li);var isNodeAdded=this.pointSnapper.snap(hotPixel,e,i);if(isNodeAdded){e.addIntersection(pts0[i],i)}}};jsts.operation.valid.ConnectedInteriorTester=function(geomGraph){this.geomGraph=geomGraph;this.geometryFactory=new jsts.geom.GeometryFactory;this.disconnectedRingcoord=null};jsts.operation.valid.ConnectedInteriorTester.findDifferentPoint=function(coord,pt){var i=0,il=coord.length;for(i;i<il;i++){if(!coord[i].equals(pt))return coord[i]}return null};jsts.operation.valid.ConnectedInteriorTester.prototype.getCoordinate=function(){return this.disconnectedRingcoord};jsts.operation.valid.ConnectedInteriorTester.prototype.isInteriorsConnected=function(){var splitEdges=new javascript.util.ArrayList;this.geomGraph.computeSplitEdges(splitEdges);var graph=new jsts.geomgraph.PlanarGraph(new jsts.operation.overlay.OverlayNodeFactory);graph.addEdges(splitEdges);this.setInteriorEdgesInResult(graph);graph.linkResultDirectedEdges();var edgeRings=this.buildEdgeRings(graph.getEdgeEnds());this.visitShellInteriors(this.geomGraph.getGeometry(),graph);return!this.hasUnvisitedShellEdge(edgeRings)};jsts.operation.valid.ConnectedInteriorTester.prototype.setInteriorEdgesInResult=function(graph){var it=graph.getEdgeEnds().iterator(),de;while(it.hasNext()){de=it.next();if(de.getLabel().getLocation(0,jsts.geomgraph.Position.RIGHT)==jsts.geom.Location.INTERIOR){de.setInResult(true)}}};jsts.operation.valid.ConnectedInteriorTester.prototype.buildEdgeRings=function(dirEdges){var edgeRings=new javascript.util.ArrayList;for(var it=dirEdges.iterator();it.hasNext();){var de=it.next();if(de.isInResult()&&de.getEdgeRing()==null){var er=new jsts.operation.overlay.MaximalEdgeRing(de,this.geometryFactory);er.linkDirectedEdgesForMinimalEdgeRings();var minEdgeRings=er.buildMinimalRings();var i=0,il=minEdgeRings.length;for(i;i<il;i++){edgeRings.add(minEdgeRings[i])}}}return edgeRings};jsts.operation.valid.ConnectedInteriorTester.prototype.visitShellInteriors=function(g,graph){if(g instanceof jsts.geom.Polygon){var p=g;this.visitInteriorRing(p.getExteriorRing(),graph)}if(g instanceof jsts.geom.MultiPolygon){var mp=g;for(var i=0;i<mp.getNumGeometries();i++){var p=mp.getGeometryN(i);this.visitInteriorRing(p.getExteriorRing(),graph)}}};jsts.operation.valid.ConnectedInteriorTester.prototype.visitInteriorRing=function(ring,graph){var pts=ring.getCoordinates();var pt0=pts[0];var pt1=jsts.operation.valid.ConnectedInteriorTester.findDifferentPoint(pts,pt0);var e=graph.findEdgeInSameDirection(pt0,pt1);var de=graph.findEdgeEnd(e);var intDe=null;if(de.getLabel().getLocation(0,jsts.geomgraph.Position.RIGHT)==jsts.geom.Location.INTERIOR){intDe=de}else if(de.getSym().getLabel().getLocation(0,jsts.geomgraph.Position.RIGHT)==jsts.geom.Location.INTERIOR){intDe=de.getSym()}this.visitLinkedDirectedEdges(intDe)};jsts.operation.valid.ConnectedInteriorTester.prototype.visitLinkedDirectedEdges=function(start){var startDe=start;
var de=start;do{de.setVisited(true);de=de.getNext()}while(de!=startDe)};jsts.operation.valid.ConnectedInteriorTester.prototype.hasUnvisitedShellEdge=function(edgeRings){for(var i=0;i<edgeRings.size();i++){var er=edgeRings.get(i);if(er.isHole()){continue}var edges=er.getEdges();var de=edges[0];if(de.getLabel().getLocation(0,jsts.geomgraph.Position.RIGHT)!=jsts.geom.Location.INTERIOR){continue}for(var j=0;j<edges.length;j++){de=edges[j];if(!de.isVisited()){disconnectedRingcoord=de.getCoordinate();return true}}}return false};jsts.algorithm.InteriorPointLine=function(geometry){this.centroid;this.minDistance=Number.MAX_VALUE;this.interiorPoint=null;this.centroid=geometry.getCentroid().getCoordinate();this.addInterior(geometry);if(this.interiorPoint==null){this.addEndpoints(geometry)}};jsts.algorithm.InteriorPointLine.prototype.getInteriorPoint=function(){return this.interiorPoint};jsts.algorithm.InteriorPointLine.prototype.addInterior=function(geometry){if(geometry instanceof jsts.geom.LineString){this.addInteriorCoord(geometry.getCoordinates())}else if(geometry instanceof jsts.geom.GeometryCollection){for(var i=0;i<geometry.getNumGeometries();i++){this.addInterior(geometry.getGeometryN(i))}}};jsts.algorithm.InteriorPointLine.prototype.addInteriorCoord=function(pts){for(var i=1;i<pts.length-1;i++){this.add(pts[i])}};jsts.algorithm.InteriorPointLine.prototype.addEndpoints=function(geometry){if(geometry instanceof jsts.geom.LineString){this.addEndpointsCoord(geometry.getCoordinates())}else if(geometry instanceof jsts.geom.GeometryCollection){for(var i=0;i<geometry.getNumGeometries();i++){this.addEndpoints(geometry.getGeometryN(i))}}};jsts.algorithm.InteriorPointLine.prototype.addEndpointsCoord=function(pts){this.add(pts[0]);this.add(pts[pts.length-1])};jsts.algorithm.InteriorPointLine.prototype.add=function(point){var dist=point.distance(this.centroid);if(dist<this.minDistance){this.interiorPoint=new jsts.geom.Coordinate(point);this.minDistance=dist}};jsts.index.chain.MonotoneChainSelectAction=function(){this.tempEnv1=new jsts.geom.Envelope;this.selectedSegment=new jsts.geom.LineSegment};jsts.index.chain.MonotoneChainSelectAction.prototype.tempEnv1=null;jsts.index.chain.MonotoneChainSelectAction.prototype.selectedSegment=null;jsts.index.chain.MonotoneChainSelectAction.prototype.select=function(mc,start){mc.getLineSegment(start,this.selectedSegment);this.select2(this.selectedSegment)};jsts.index.chain.MonotoneChainSelectAction.prototype.select2=function(seg){};jsts.algorithm.MCPointInRing=function(ring){this.ring=ring;this.tree=null;this.crossings=0;this.interval=new jsts.index.bintree.Interval;this.buildIndex()};jsts.algorithm.MCPointInRing.MCSelecter=function(p,parent){this.parent=parent;this.p=p};jsts.algorithm.MCPointInRing.MCSelecter.prototype=new jsts.index.chain.MonotoneChainSelectAction;jsts.algorithm.MCPointInRing.MCSelecter.prototype.constructor=jsts.algorithm.MCPointInRing.MCSelecter;jsts.algorithm.MCPointInRing.MCSelecter.prototype.select2=function(ls){this.parent.testLineSegment.apply(this.parent,[this.p,ls])};jsts.algorithm.MCPointInRing.prototype.buildIndex=function(){this.tree=new jsts.index.bintree.Bintree;var pts=jsts.geom.CoordinateArrays.removeRepeatedPoints(this.ring.getCoordinates());var mcList=jsts.index.chain.MonotoneChainBuilder.getChains(pts);for(var i=0;i<mcList.length;i++){var mc=mcList[i];var mcEnv=mc.getEnvelope();this.interval.min=mcEnv.getMinY();this.interval.max=mcEnv.getMaxY();this.tree.insert(this.interval,mc)}};jsts.algorithm.MCPointInRing.prototype.isInside=function(pt){this.crossings=0;var rayEnv=new jsts.geom.Envelope(-Number.MAX_VALUE,Number.MAX_VALUE,pt.y,pt.y);this.interval.min=pt.y;this.interval.max=pt.y;var segs=this.tree.query(this.interval);var mcSelecter=new jsts.algorithm.MCPointInRing.MCSelecter(pt,this);for(var i=segs.iterator();i.hasNext();){var mc=i.next();this.testMonotoneChain(rayEnv,mcSelecter,mc)}if(this.crossings%2==1){return true}return false};jsts.algorithm.MCPointInRing.prototype.testMonotoneChain=function(rayEnv,mcSelecter,mc){mc.select(rayEnv,mcSelecter)};jsts.algorithm.MCPointInRing.prototype.testLineSegment=function(p,seg){var xInt,x1,y1,x2,y2,p1,p2;p1=seg.p0;p2=seg.p1;x1=p1.x-p.x;y1=p1.y-p.y;x2=p2.x-p.x;y2=p2.y-p.y;if(y1>0&&y2<=0||y2>0&&y1<=0){xInt=jsts.algorithm.RobustDeterminant.signOfDet2x2(x1,y1,x2,y2)/(y2-y1);if(0<xInt){this.crossings++}}};jsts.operation.valid.TopologyValidationError=function(errorType,pt){this.errorType=errorType;this.pt=null;if(pt!=null){this.pt=pt.clone()}};jsts.operation.valid.TopologyValidationError.HOLE_OUTSIDE_SHELL=2;jsts.operation.valid.TopologyValidationError.NESTED_HOLES=3;jsts.operation.valid.TopologyValidationError.DISCONNECTED_INTERIOR=4;jsts.operation.valid.TopologyValidationError.SELF_INTERSECTION=5;jsts.operation.valid.TopologyValidationError.RING_SELF_INTERSECTION=6;jsts.operation.valid.TopologyValidationError.NESTED_SHELLS=7;jsts.operation.valid.TopologyValidationError.DUPLICATE_RINGS=8;jsts.operation.valid.TopologyValidationError.TOO_FEW_POINTS=9;jsts.operation.valid.TopologyValidationError.INVALID_COORDINATE=10;jsts.operation.valid.TopologyValidationError.RING_NOT_CLOSED=11;jsts.operation.valid.TopologyValidationError.prototype.errMsg=["Topology Validation Error","Repeated Point","Hole lies outside shell","Holes are nested","Interior is disconnected","Self-intersection","Ring Self-intersection","Nested shells","Duplicate Rings","Too few distinct points in geometry component","Invalid Coordinate","Ring is not closed"];jsts.operation.valid.TopologyValidationError.prototype.getCoordinate=function(){return this.pt};jsts.operation.valid.TopologyValidationError.prototype.getErrorType=function(){return this.errorType};jsts.operation.valid.TopologyValidationError.prototype.getMessage=function(){return this.errMsg[this.errorType]};jsts.operation.valid.TopologyValidationError.prototype.toString=function(){var locStr="";if(this.pt!=null){locStr=" at or near point "+this.pt;return this.getMessage()+locStr}return locStr};(function(){jsts.geom.MultiPolygon=function(geometries,factory){this.geometries=geometries||[];this.factory=factory};jsts.geom.MultiPolygon.prototype=new jsts.geom.GeometryCollection;jsts.geom.MultiPolygon.constructor=jsts.geom.MultiPolygon;jsts.geom.MultiPolygon.prototype.getBoundary=function(){if(this.isEmpty()){return this.getFactory().createMultiLineString(null)}var allRings=[];for(var i=0;i<this.geometries.length;i++){var polygon=this.geometries[i];var rings=polygon.getBoundary();for(var j=0;j<rings.getNumGeometries();j++){allRings.push(rings.getGeometryN(j))}}return this.getFactory().createMultiLineString(allRings)};jsts.geom.MultiPolygon.prototype.equalsExact=function(other,tolerance){if(!this.isEquivalentClass(other)){return false}return jsts.geom.GeometryCollection.prototype.equalsExact.call(this,other,tolerance)};jsts.geom.MultiPolygon.prototype.CLASS_NAME="jsts.geom.MultiPolygon"})();jsts.geom.CoordinateSequenceFilter=function(){};jsts.geom.CoordinateSequenceFilter.prototype.filter=jsts.abstractFunc;jsts.geom.CoordinateSequenceFilter.prototype.isDone=jsts.abstractFunc;jsts.geom.CoordinateSequenceFilter.prototype.isGeometryChanged=jsts.abstractFunc;(function(){var Interval=function(){this.min=0;this.max=0;if(arguments.length===1){var interval=arguments[0];this.init(interval.min,interval.max)}else if(arguments.length===2){this.init(arguments[0],arguments[1])}};Interval.prototype.init=function(min,max){this.min=min;this.max=max;if(min>max){this.min=max;this.max=min}};Interval.prototype.getMin=function(){return this.min};Interval.prototype.getMax=function(){return this.max};Interval.prototype.getWidth=function(){return this.max-this.min};Interval.prototype.expandToInclude=function(interval){if(interval.max>this.max){this.max=interval.max}if(interval.min<this.min){this.min=interval.min}};Interval.prototype.overlaps=function(){if(arguments.length===1){return this.overlapsInterval.apply(this,arguments)}else{return this.overlapsMinMax.apply(this,arguments)}};Interval.prototype.overlapsInterval=function(interval){return this.overlaps(interval.min,interval.max)};Interval.prototype.overlapsMinMax=function(min,max){if(this.min>max||this.max<min){return false}return true};Interval.prototype.contains=function(){var interval;if(arguments[0]instanceof jsts.index.bintree.Interval){interval=arguments[0];return this.containsMinMax(interval.min,interval.max)}else if(arguments.length===1){return this.containsPoint(arguments[0])}else{return this.containsMinMax(arguments[0],arguments[1])}};Interval.prototype.containsMinMax=function(min,max){return min>=this.min&&max<=this.max};Interval.prototype.containsPoint=function(p){return p>=this.min&&p<=this.max};jsts.index.bintree.Interval=Interval})();jsts.index.DoubleBits=function(){};jsts.index.DoubleBits.powerOf2=function(exp){return Math.pow(2,exp)};jsts.index.DoubleBits.exponent=function(d){return jsts.index.DoubleBits.CVTFWD(64,d)-1023};jsts.index.DoubleBits.CVTFWD=function(NumW,Qty){var Sign,Expo,Mant,Bin,nb01="";var Inf={32:{d:127,c:128,b:0,a:0},64:{d:32752,c:0,b:0,a:0}};var ExW={32:8,64:11}[NumW],MtW=NumW-ExW-1;if(!Bin){Sign=Qty<0||1/Qty<0;if(!isFinite(Qty)){Bin=Inf[NumW];if(Sign){Bin.d+=1<<NumW/4-1}Expo=Math.pow(2,ExW)-1;Mant=0}}if(!Bin){Expo={32:127,64:1023}[NumW];Mant=Math.abs(Qty);while(Mant>=2){Expo++;Mant/=2}while(Mant<1&&Expo>0){Expo--;Mant*=2}if(Expo<=0){Mant/=2;nb01="Zero or Denormal"}if(NumW===32&&Expo>254){nb01="Too big for Single";Bin={d:Sign?255:127,c:128,b:0,a:0};Expo=Math.pow(2,ExW)-1;Mant=0}}return Expo};(function(){var DoubleBits=jsts.index.DoubleBits;var Interval=jsts.index.bintree.Interval;var Key=function(interval){this.pt=0;this.level=0;this.computeKey(interval)};Key.computeLevel=function(interval){var dx=interval.getWidth(),level;level=DoubleBits.exponent(dx)+1;return level};Key.prototype.getPoint=function(){return this.pt};Key.prototype.getLevel=function(){return this.level};Key.prototype.getInterval=function(){return this.interval};Key.prototype.computeKey=function(itemInterval){this.level=Key.computeLevel(itemInterval);this.interval=new Interval;this.computeInterval(this.level,itemInterval);while(!this.interval.contains(itemInterval)){this.level+=1;this.computeInterval(this.level,itemInterval)}};Key.prototype.computeInterval=function(level,itemInterval){var size=DoubleBits.powerOf2(level);this.pt=Math.floor(itemInterval.getMin()/size)*size;this.interval.init(this.pt,this.pt+size)};jsts.index.bintree.Key=Key})();jsts.operation.buffer.SubgraphDepthLocater=function(subgraphs){this.subgraphs=[];this.seg=new jsts.geom.LineSegment;this.subgraphs=subgraphs};jsts.operation.buffer.SubgraphDepthLocater.prototype.subgraphs=null;jsts.operation.buffer.SubgraphDepthLocater.prototype.seg=null;jsts.operation.buffer.SubgraphDepthLocater.prototype.getDepth=function(p){var stabbedSegments=this.findStabbedSegments(p);if(stabbedSegments.length===0)return 0;stabbedSegments.sort();var ds=stabbedSegments[0];return ds.leftDepth};jsts.operation.buffer.SubgraphDepthLocater.prototype.findStabbedSegments=function(stabbingRayLeftPt){if(arguments.length===3){this.findStabbedSegments2.apply(this,arguments);return}var stabbedSegments=[];for(var i=0;i<this.subgraphs.length;i++){var bsg=this.subgraphs[i];var env=bsg.getEnvelope();if(stabbingRayLeftPt.y<env.getMinY()||stabbingRayLeftPt.y>env.getMaxY())continue;this.findStabbedSegments2(stabbingRayLeftPt,bsg.getDirectedEdges(),stabbedSegments)}return stabbedSegments};jsts.operation.buffer.SubgraphDepthLocater.prototype.findStabbedSegments2=function(stabbingRayLeftPt,dirEdges,stabbedSegments){if(arguments[1]instanceof jsts.geomgraph.DirectedEdge){this.findStabbedSegments3(stabbingRayLeftPt,dirEdges,stabbedSegments);return}for(var i=dirEdges.iterator();i.hasNext();){var de=i.next();if(!de.isForward())continue;this.findStabbedSegments3(stabbingRayLeftPt,de,stabbedSegments)}};jsts.operation.buffer.SubgraphDepthLocater.prototype.findStabbedSegments3=function(stabbingRayLeftPt,dirEdge,stabbedSegments){var pts=dirEdge.getEdge().getCoordinates();for(var i=0;i<pts.length-1;i++){this.seg.p0=pts[i];this.seg.p1=pts[i+1];if(this.seg.p0.y>this.seg.p1.y)this.seg.reverse();var maxx=Math.max(this.seg.p0.x,this.seg.p1.x);if(maxx<stabbingRayLeftPt.x)continue;if(this.seg.isHorizontal())continue;if(stabbingRayLeftPt.y<this.seg.p0.y||stabbingRayLeftPt.y>this.seg.p1.y)continue;if(jsts.algorithm.CGAlgorithms.computeOrientation(this.seg.p0,this.seg.p1,stabbingRayLeftPt)===jsts.algorithm.CGAlgorithms.RIGHT)continue;var depth=dirEdge.getDepth(jsts.geomgraph.Position.LEFT);if(!this.seg.p0.equals(pts[i]))depth=dirEdge.getDepth(jsts.geomgraph.Position.RIGHT);var ds=new jsts.operation.buffer.SubgraphDepthLocater.DepthSegment(this.seg,depth);stabbedSegments.push(ds)}};jsts.operation.buffer.SubgraphDepthLocater.DepthSegment=function(seg,depth){this.upwardSeg=new jsts.geom.LineSegment(seg);this.leftDepth=depth};jsts.operation.buffer.SubgraphDepthLocater.DepthSegment.prototype.upwardSeg=null;jsts.operation.buffer.SubgraphDepthLocater.DepthSegment.prototype.leftDepth=null;jsts.operation.buffer.SubgraphDepthLocater.DepthSegment.prototype.compareTo=function(obj){var other=obj;var orientIndex=this.upwardSeg.orientationIndex(other.upwardSeg);if(orientIndex===0)orientIndex=-1*other.upwardSeg.orientationIndex(upwardSeg);if(orientIndex!==0)return orientIndex;return this.compareX(this.upwardSeg,other.upwardSeg)};jsts.operation.buffer.SubgraphDepthLocater.DepthSegment.prototype.compareX=function(seg0,seg1){var compare0=seg0.p0.compareTo(seg1.p0);if(compare0!==0)return compare0;return seg0.p1.compareTo(seg1.p1)};jsts.noding.snapround.HotPixel=function(pt,scaleFactor,li){this.corner=[];this.originalPt=pt;this.pt=pt;this.scaleFactor=scaleFactor;this.li=li;if(this.scaleFactor!==1){this.pt=new jsts.geom.Coordinate(this.scale(pt.x),this.scale(pt.y));this.p0Scaled=new jsts.geom.Coordinate;this.p1Scaled=new jsts.geom.Coordinate}this.initCorners(this.pt)};jsts.noding.snapround.HotPixel.prototype.li=null;jsts.noding.snapround.HotPixel.prototype.pt=null;jsts.noding.snapround.HotPixel.prototype.originalPt=null;jsts.noding.snapround.HotPixel.prototype.ptScaled=null;jsts.noding.snapround.HotPixel.prototype.p0Scaled=null;jsts.noding.snapround.HotPixel.prototype.p1Scaled=null;jsts.noding.snapround.HotPixel.prototype.scaleFactor=undefined;jsts.noding.snapround.HotPixel.prototype.minx=undefined;jsts.noding.snapround.HotPixel.prototype.maxx=undefined;jsts.noding.snapround.HotPixel.prototype.miny=undefined;jsts.noding.snapround.HotPixel.prototype.maxy=undefined;jsts.noding.snapround.HotPixel.prototype.corner=null;jsts.noding.snapround.HotPixel.prototype.safeEnv=null;jsts.noding.snapround.HotPixel.prototype.getCoordinate=function(){return this.originalPt};jsts.noding.snapround.HotPixel.SAFE_ENV_EXPANSION_FACTOR=.75;jsts.noding.snapround.HotPixel.prototype.getSafeEnvelope=function(){if(this.safeEnv===null){var safeTolerance=jsts.noding.snapround.HotPixel.SAFE_ENV_EXPANSION_FACTOR/this.scaleFactor;this.safeEnv=new jsts.geom.Envelope(this.originalPt.x-safeTolerance,this.originalPt.x+safeTolerance,this.originalPt.y-safeTolerance,this.originalPt.y+safeTolerance)}return this.safeEnv};jsts.noding.snapround.HotPixel.prototype.initCorners=function(pt){var tolerance=.5;this.minx=pt.x-tolerance;this.maxx=pt.x+tolerance;this.miny=pt.y-tolerance;this.maxy=pt.y+tolerance;this.corner[0]=new jsts.geom.Coordinate(this.maxx,this.maxy);this.corner[1]=new jsts.geom.Coordinate(this.minx,this.maxy);this.corner[2]=new jsts.geom.Coordinate(this.minx,this.miny);this.corner[3]=new jsts.geom.Coordinate(this.maxx,this.miny)};jsts.noding.snapround.HotPixel.prototype.scale=function(val){return Math.round(val*this.scaleFactor)};jsts.noding.snapround.HotPixel.prototype.intersects=function(p0,p1){if(this.scaleFactor===1)return this.intersectsScaled(p0,p1);this.copyScaled(p0,this.p0Scaled);this.copyScaled(p1,this.p1Scaled);return this.intersectsScaled(this.p0Scaled,this.p1Scaled)};jsts.noding.snapround.HotPixel.prototype.copyScaled=function(p,pScaled){pScaled.x=this.scale(p.x);pScaled.y=this.scale(p.y)};jsts.noding.snapround.HotPixel.prototype.intersectsScaled=function(p0,p1){var segMinx=Math.min(p0.x,p1.x);var segMaxx=Math.max(p0.x,p1.x);var segMiny=Math.min(p0.y,p1.y);var segMaxy=Math.max(p0.y,p1.y);var isOutsidePixelEnv=this.maxx<segMinx||this.minx>segMaxx||this.maxy<segMiny||this.miny>segMaxy;if(isOutsidePixelEnv)return false;var intersects=this.intersectsToleranceSquare(p0,p1);jsts.util.Assert.isTrue(!(isOutsidePixelEnv&&intersects),"Found bad envelope test");return intersects};jsts.noding.snapround.HotPixel.prototype.intersectsToleranceSquare=function(p0,p1){var intersectsLeft=false;var intersectsBottom=false;this.li.computeIntersection(p0,p1,this.corner[0],this.corner[1]);if(this.li.isProper())return true;this.li.computeIntersection(p0,p1,this.corner[1],this.corner[2]);if(this.li.isProper())return true;if(this.li.hasIntersection())intersectsLeft=true;this.li.computeIntersection(p0,p1,this.corner[2],this.corner[3]);if(this.li.isProper())return true;if(this.li.hasIntersection())intersectsBottom=true;this.li.computeIntersection(p0,p1,this.corner[3],this.corner[0]);if(this.li.isProper())return true;if(intersectsLeft&&intersectsBottom)return true;if(p0.equals(this.pt))return true;if(p1.equals(this.pt))return true;return false};jsts.noding.snapround.HotPixel.prototype.intersectsPixelClosure=function(p0,p1){this.li.computeIntersection(p0,p1,this.corner[0],this.corner[1]);if(this.li.hasIntersection())return true;this.li.computeIntersection(p0,p1,this.corner[1],this.corner[2]);if(this.li.hasIntersection())return true;this.li.computeIntersection(p0,p1,this.corner[2],this.corner[3]);if(this.li.hasIntersection())return true;this.li.computeIntersection(p0,p1,this.corner[3],this.corner[0]);if(this.li.hasIntersection())return true;return false};jsts.noding.snapround.HotPixel.prototype.addSnappedNode=function(segStr,segIndex){var p0=segStr.getCoordinate(segIndex);var p1=segStr.getCoordinate(segIndex+1);if(this.intersects(p0,p1)){segStr.addIntersection(this.getCoordinate(),segIndex);return true}return false};jsts.operation.buffer.BufferInputLineSimplifier=function(inputLine){this.inputLine=inputLine};jsts.operation.buffer.BufferInputLineSimplifier.simplify=function(inputLine,distanceTol){var simp=new jsts.operation.buffer.BufferInputLineSimplifier(inputLine);return simp.simplify(distanceTol)};jsts.operation.buffer.BufferInputLineSimplifier.INIT=0;jsts.operation.buffer.BufferInputLineSimplifier.DELETE=1;jsts.operation.buffer.BufferInputLineSimplifier.KEEP=1;jsts.operation.buffer.BufferInputLineSimplifier.prototype.inputLine=null;jsts.operation.buffer.BufferInputLineSimplifier.prototype.distanceTol=null;jsts.operation.buffer.BufferInputLineSimplifier.prototype.isDeleted=null;jsts.operation.buffer.BufferInputLineSimplifier.prototype.angleOrientation=jsts.algorithm.CGAlgorithms.COUNTERCLOCKWISE;jsts.operation.buffer.BufferInputLineSimplifier.prototype.simplify=function(distanceTol){this.distanceTol=Math.abs(distanceTol);if(distanceTol<0)this.angleOrientation=jsts.algorithm.CGAlgorithms.CLOCKWISE;this.isDeleted=[];this.isDeleted.length=this.inputLine.length;var isChanged=false;do{isChanged=this.deleteShallowConcavities()}while(isChanged);return this.collapseLine()};jsts.operation.buffer.BufferInputLineSimplifier.prototype.deleteShallowConcavities=function(){var index=1;var maxIndex=this.inputLine.length-1;var midIndex=this.findNextNonDeletedIndex(index);var lastIndex=this.findNextNonDeletedIndex(midIndex);var isChanged=false;while(lastIndex<this.inputLine.length){var isMiddleVertexDeleted=false;if(this.isDeletable(index,midIndex,lastIndex,this.distanceTol)){this.isDeleted[midIndex]=jsts.operation.buffer.BufferInputLineSimplifier.DELETE;isMiddleVertexDeleted=true;isChanged=true}if(isMiddleVertexDeleted)index=lastIndex;else index=midIndex;midIndex=this.findNextNonDeletedIndex(index);lastIndex=this.findNextNonDeletedIndex(midIndex)}return isChanged};jsts.operation.buffer.BufferInputLineSimplifier.prototype.findNextNonDeletedIndex=function(index){var next=index+1;while(next<this.inputLine.length&&this.isDeleted[next]===jsts.operation.buffer.BufferInputLineSimplifier.DELETE)next++;return next};jsts.operation.buffer.BufferInputLineSimplifier.prototype.collapseLine=function(){var coordList=[];for(var i=0;i<this.inputLine.length;i++){if(this.isDeleted[i]!==jsts.operation.buffer.BufferInputLineSimplifier.DELETE)coordList.push(this.inputLine[i])}return coordList};jsts.operation.buffer.BufferInputLineSimplifier.prototype.isDeletable=function(i0,i1,i2,distanceTol){var p0=this.inputLine[i0];var p1=this.inputLine[i1];var p2=this.inputLine[i2];if(!this.isConcave(p0,p1,p2))return false;if(!this.isShallow(p0,p1,p2,distanceTol))return false;return this.isShallowSampled(p0,p1,i0,i2,distanceTol)};jsts.operation.buffer.BufferInputLineSimplifier.prototype.isShallowConcavity=function(p0,p1,p2,distanceTol){var orientation=jsts.algorithm.CGAlgorithms.computeOrientation(p0,p1,p2);var isAngleToSimplify=orientation===this.angleOrientation;if(!isAngleToSimplify)return false;var dist=jsts.algorithm.CGAlgorithms.distancePointLine(p1,p0,p2);return dist<distanceTol};jsts.operation.buffer.BufferInputLineSimplifier.NUM_PTS_TO_CHECK=10;jsts.operation.buffer.BufferInputLineSimplifier.prototype.isShallowSampled=function(p0,p2,i0,i2,distanceTol){var inc=parseInt((i2-i0)/jsts.operation.buffer.BufferInputLineSimplifier.NUM_PTS_TO_CHECK);if(inc<=0)inc=1;for(var i=i0;i<i2;i+=inc){if(!this.isShallow(p0,p2,this.inputLine[i],distanceTol))return false}return true};jsts.operation.buffer.BufferInputLineSimplifier.prototype.isShallow=function(p0,p1,p2,distanceTol){var dist=jsts.algorithm.CGAlgorithms.distancePointLine(p1,p0,p2);return dist<distanceTol};jsts.operation.buffer.BufferInputLineSimplifier.prototype.isConcave=function(p0,p1,p2){var orientation=jsts.algorithm.CGAlgorithms.computeOrientation(p0,p1,p2);var isConcave=orientation===this.angleOrientation;return isConcave};jsts.geomgraph.index.SweepLineEvent=function(x,obj,label){if(!(obj instanceof jsts.geomgraph.index.SweepLineEvent)){this.eventType=jsts.geomgraph.index.SweepLineEvent.INSERT;this.label=label;this.xValue=x;this.obj=obj;return}this.eventType=jsts.geomgraph.index.SweepLineEvent.DELETE;this.xValue=x;this.insertEvent=obj};jsts.geomgraph.index.SweepLineEvent.INSERT=1;jsts.geomgraph.index.SweepLineEvent.DELETE=2;jsts.geomgraph.index.SweepLineEvent.prototype.label=null;jsts.geomgraph.index.SweepLineEvent.prototype.xValue=null;jsts.geomgraph.index.SweepLineEvent.prototype.eventType=null;jsts.geomgraph.index.SweepLineEvent.prototype.insertEvent=null;jsts.geomgraph.index.SweepLineEvent.prototype.deleteEventIndex=null;jsts.geomgraph.index.SweepLineEvent.prototype.obj=null;jsts.geomgraph.index.SweepLineEvent.prototype.isInsert=function(){return this.eventType==jsts.geomgraph.index.SweepLineEvent.INSERT};jsts.geomgraph.index.SweepLineEvent.prototype.isDelete=function(){return this.eventType==jsts.geomgraph.index.SweepLineEvent.DELETE};jsts.geomgraph.index.SweepLineEvent.prototype.getInsertEvent=function(){return this.insertEvent};jsts.geomgraph.index.SweepLineEvent.prototype.getDeleteEventIndex=function(){return this.deleteEventIndex};jsts.geomgraph.index.SweepLineEvent.prototype.setDeleteEventIndex=function(deleteEventIndex){this.deleteEventIndex=deleteEventIndex};jsts.geomgraph.index.SweepLineEvent.prototype.getObject=function(){return this.obj};jsts.geomgraph.index.SweepLineEvent.prototype.isSameLabel=function(ev){if(this.label==null){return false}return this.label==ev.label};jsts.geomgraph.index.SweepLineEvent.prototype.compareTo=function(pe){if(this.xValue<pe.xValue){return-1}if(this.xValue>pe.xValue){return 1}if(this.eventType<pe.eventType){return-1}if(this.eventType>pe.eventType){return 1}return 0};jsts.geom.CoordinateList=function(coord,allowRepeated){javascript.util.ArrayList.apply(this,arguments);allowRepeated=allowRepeated===undefined?true:allowRepeated;if(coord!==undefined){this.add(coord,allowRepeated)}};jsts.geom.CoordinateList.prototype=new javascript.util.ArrayList;jsts.geom.CoordinateList.prototype.add=function(){if(arguments.length>1){return this.addCoordinates.apply(this,arguments)}else{return javascript.util.ArrayList.prototype.add.apply(this,arguments)}};jsts.geom.CoordinateList.prototype.addCoordinates=function(coord,allowRepeated,direction){if(coord instanceof jsts.geom.Coordinate){return this.addCoordinate.apply(this,arguments)}else if(typeof coord==="number"){return this.insertCoordinate.apply(this,arguments)}direction=direction||true;if(direction){for(var i=0;i<coord.length;i++){this.addCoordinate(coord[i],allowRepeated)}}else{for(var i=coord.length-1;i>=0;i--){this.addCoordinate(coord[i],allowRepeated)}}return true};jsts.geom.CoordinateList.prototype.addCoordinate=function(coord,allowRepeated){if(!allowRepeated){if(this.size()>=1){var last=this.get(this.size()-1);if(last.equals2D(coord))return}}this.add(coord)};jsts.geom.CoordinateList.prototype.insertCoordinate=function(index,coord,allowRepeated){if(!allowRepeated){var before=index>0?index-1:-1;if(before!==-1&&this.get(before).equals2D(coord)){return}var after=index<this.size()-1?index+1:-1;if(after!==-1&&this.get(after).equals2D(coord)){return}}this.array.splice(index,0,coord)};jsts.geom.CoordinateList.prototype.closeRing=function(){if(this.size()>0){this.addCoordinate(new jsts.geom.Coordinate(this.get(0)),false)}};jsts.geom.CoordinateList.prototype.toArray=function(){var i,il,arr;i=0,il=this.size(),arr=[];for(i;i<il;i++){arr[i]=this.get(i)}return arr};jsts.geom.CoordinateList.prototype.toCoordinateArray=function(){return this.toArray()};jsts.operation.buffer.OffsetSegmentGenerator=function(precisionModel,bufParams,distance){this.seg0=new jsts.geom.LineSegment;this.seg1=new jsts.geom.LineSegment;this.offset0=new jsts.geom.LineSegment;this.offset1=new jsts.geom.LineSegment;this.precisionModel=precisionModel;this.bufParams=bufParams;this.li=new jsts.algorithm.RobustLineIntersector;this.filletAngleQuantum=Math.PI/2/bufParams.getQuadrantSegments();if(this.bufParams.getQuadrantSegments()>=8&&this.bufParams.getJoinStyle()===jsts.operation.buffer.BufferParameters.JOIN_ROUND){this.closingSegLengthFactor=jsts.operation.buffer.OffsetSegmentGenerator.MAX_CLOSING_SEG_LEN_FACTOR}this.init(distance)};jsts.operation.buffer.OffsetSegmentGenerator.OFFSET_SEGMENT_SEPARATION_FACTOR=.001;jsts.operation.buffer.OffsetSegmentGenerator.INSIDE_TURN_VERTEX_SNAP_DISTANCE_FACTOR=.001;jsts.operation.buffer.OffsetSegmentGenerator.CURVE_VERTEX_SNAP_DISTANCE_FACTOR=1e-6;jsts.operation.buffer.OffsetSegmentGenerator.MAX_CLOSING_SEG_LEN_FACTOR=80;jsts.operation.buffer.OffsetSegmentGenerator.prototype.maxCurveSegmentError=0;jsts.operation.buffer.OffsetSegmentGenerator.prototype.filletAngleQuantum=null;jsts.operation.buffer.OffsetSegmentGenerator.prototype.closingSegLengthFactor=1;jsts.operation.buffer.OffsetSegmentGenerator.prototype.segList=null;jsts.operation.buffer.OffsetSegmentGenerator.prototype.distance=0;jsts.operation.buffer.OffsetSegmentGenerator.prototype.precisionModel=null;jsts.operation.buffer.OffsetSegmentGenerator.prototype.bufParams=null;jsts.operation.buffer.OffsetSegmentGenerator.prototype.li=null;jsts.operation.buffer.OffsetSegmentGenerator.prototype.s0=null;jsts.operation.buffer.OffsetSegmentGenerator.prototype.s1=null;jsts.operation.buffer.OffsetSegmentGenerator.prototype.s2=null;jsts.operation.buffer.OffsetSegmentGenerator.prototype.seg0=null;jsts.operation.buffer.OffsetSegmentGenerator.prototype.seg1=null;jsts.operation.buffer.OffsetSegmentGenerator.prototype.offset0=null;jsts.operation.buffer.OffsetSegmentGenerator.prototype.offset1=null;jsts.operation.buffer.OffsetSegmentGenerator.prototype.side=0;jsts.operation.buffer.OffsetSegmentGenerator.prototype.hasNarrowConcaveAngle=false;jsts.operation.buffer.OffsetSegmentGenerator.prototype.hasNarrowConcaveAngle=function(){return this.hasNarrowConcaveAngle};jsts.operation.buffer.OffsetSegmentGenerator.prototype.init=function(distance){this.distance=distance;this.maxCurveSegmentError=this.distance*(1-Math.cos(this.filletAngleQuantum/2));this.segList=new jsts.operation.buffer.OffsetSegmentString;this.segList.setPrecisionModel(this.precisionModel);this.segList.setMinimumVertexDistance(this.distance*jsts.operation.buffer.OffsetSegmentGenerator.CURVE_VERTEX_SNAP_DISTANCE_FACTOR)};jsts.operation.buffer.OffsetSegmentGenerator.prototype.initSideSegments=function(s1,s2,side){this.s1=s1;this.s2=s2;this.side=side;this.seg1.setCoordinates(this.s1,this.s2);this.computeOffsetSegment(this.seg1,this.side,this.distance,this.offset1)};jsts.operation.buffer.OffsetSegmentGenerator.prototype.getCoordinates=function(){return this.segList.getCoordinates()};jsts.operation.buffer.OffsetSegmentGenerator.prototype.closeRing=function(){this.segList.closeRing()};jsts.operation.buffer.OffsetSegmentGenerator.prototype.addSegments=function(pt,isForward){this.segList.addPts(pt,isForward)};jsts.operation.buffer.OffsetSegmentGenerator.prototype.addFirstSegment=function(){this.segList.addPt(this.offset1.p0)};jsts.operation.buffer.OffsetSegmentGenerator.prototype.addLastSegment=function(){this.segList.addPt(this.offset1.p1)};jsts.operation.buffer.OffsetSegmentGenerator.prototype.addNextSegment=function(p,addStartPoint){this.s0=this.s1;this.s1=this.s2;this.s2=p;this.seg0.setCoordinates(this.s0,this.s1);this.computeOffsetSegment(this.seg0,this.side,this.distance,this.offset0);this.seg1.setCoordinates(this.s1,this.s2);this.computeOffsetSegment(this.seg1,this.side,this.distance,this.offset1);if(this.s1.equals(this.s2))return;var orientation=jsts.algorithm.CGAlgorithms.computeOrientation(this.s0,this.s1,this.s2);var outsideTurn=orientation===jsts.algorithm.CGAlgorithms.CLOCKWISE&&this.side===jsts.geomgraph.Position.LEFT||orientation===jsts.algorithm.CGAlgorithms.COUNTERCLOCKWISE&&this.side===jsts.geomgraph.Position.RIGHT;if(orientation==0){this.addCollinear(addStartPoint)}else if(outsideTurn){this.addOutsideTurn(orientation,addStartPoint)}else{this.addInsideTurn(orientation,addStartPoint)}};jsts.operation.buffer.OffsetSegmentGenerator.prototype.addCollinear=function(addStartPoint){this.li.computeIntersection(this.s0,this.s1,this.s1,this.s2);var numInt=this.li.getIntersectionNum();if(numInt>=2){if(this.bufParams.getJoinStyle()===jsts.operation.buffer.BufferParameters.JOIN_BEVEL||this.bufParams.getJoinStyle()===jsts.operation.buffer.BufferParameters.JOIN_MITRE){if(addStartPoint)this.segList.addPt(this.offset0.p1);this.segList.addPt(this.offset1.p0)}else{this.addFillet(this.s1,this.offset0.p1,this.offset1.p0,jsts.algorithm.CGAlgorithms.CLOCKWISE,this.distance)}}};jsts.operation.buffer.OffsetSegmentGenerator.prototype.addOutsideTurn=function(orientation,addStartPoint){if(this.offset0.p1.distance(this.offset1.p0)<this.distance*jsts.operation.buffer.OffsetSegmentGenerator.OFFSET_SEGMENT_SEPARATION_FACTOR){this.segList.addPt(this.offset0.p1);return}if(this.bufParams.getJoinStyle()===jsts.operation.buffer.BufferParameters.JOIN_MITRE){this.addMitreJoin(this.s1,this.offset0,this.offset1,this.distance)}else if(this.bufParams.getJoinStyle()===jsts.operation.buffer.BufferParameters.JOIN_BEVEL){this.addBevelJoin(this.offset0,this.offset1)}else{if(addStartPoint)this.segList.addPt(this.offset0.p1);this.addFillet(this.s1,this.offset0.p1,this.offset1.p0,orientation,this.distance);this.segList.addPt(this.offset1.p0)}};jsts.operation.buffer.OffsetSegmentGenerator.prototype.addInsideTurn=function(orientation,addStartPoint){this.li.computeIntersection(this.offset0.p0,this.offset0.p1,this.offset1.p0,this.offset1.p1);if(this.li.hasIntersection()){this.segList.addPt(this.li.getIntersection(0))}else{this.hasNarrowConcaveAngle=true;if(this.offset0.p1.distance(this.offset1.p0)<this.distance*jsts.operation.buffer.OffsetSegmentGenerator.INSIDE_TURN_VERTEX_SNAP_DISTANCE_FACTOR){this.segList.addPt(this.offset0.p1)}else{this.segList.addPt(this.offset0.p1);if(this.closingSegLengthFactor>0){var mid0=new jsts.geom.Coordinate((this.closingSegLengthFactor*this.offset0.p1.x+this.s1.x)/(this.closingSegLengthFactor+1),(this.closingSegLengthFactor*this.offset0.p1.y+this.s1.y)/(this.closingSegLengthFactor+1));
this.segList.addPt(mid0);var mid1=new jsts.geom.Coordinate((this.closingSegLengthFactor*this.offset1.p0.x+this.s1.x)/(this.closingSegLengthFactor+1),(this.closingSegLengthFactor*this.offset1.p0.y+this.s1.y)/(this.closingSegLengthFactor+1));this.segList.addPt(mid1)}else{this.segList.addPt(this.s1)}this.segList.addPt(this.offset1.p0)}}};jsts.operation.buffer.OffsetSegmentGenerator.prototype.computeOffsetSegment=function(seg,side,distance,offset){var sideSign=side===jsts.geomgraph.Position.LEFT?1:-1;var dx=seg.p1.x-seg.p0.x;var dy=seg.p1.y-seg.p0.y;var len=Math.sqrt(dx*dx+dy*dy);var ux=sideSign*distance*dx/len;var uy=sideSign*distance*dy/len;offset.p0.x=seg.p0.x-uy;offset.p0.y=seg.p0.y+ux;offset.p1.x=seg.p1.x-uy;offset.p1.y=seg.p1.y+ux};jsts.operation.buffer.OffsetSegmentGenerator.prototype.addLineEndCap=function(p0,p1){var seg=new jsts.geom.LineSegment(p0,p1);var offsetL=new jsts.geom.LineSegment;this.computeOffsetSegment(seg,jsts.geomgraph.Position.LEFT,this.distance,offsetL);var offsetR=new jsts.geom.LineSegment;this.computeOffsetSegment(seg,jsts.geomgraph.Position.RIGHT,this.distance,offsetR);var dx=p1.x-p0.x;var dy=p1.y-p0.y;var angle=Math.atan2(dy,dx);switch(this.bufParams.getEndCapStyle()){case jsts.operation.buffer.BufferParameters.CAP_ROUND:this.segList.addPt(offsetL.p1);this.addFillet(p1,angle+Math.PI/2,angle-Math.PI/2,jsts.algorithm.CGAlgorithms.CLOCKWISE,this.distance);this.segList.addPt(offsetR.p1);break;case jsts.operation.buffer.BufferParameters.CAP_FLAT:this.segList.addPt(offsetL.p1);this.segList.addPt(offsetR.p1);break;case jsts.operation.buffer.BufferParameters.CAP_SQUARE:var squareCapSideOffset=new jsts.geom.Coordinate;squareCapSideOffset.x=Math.abs(this.distance)*Math.cos(angle);squareCapSideOffset.y=Math.abs(this.distance)*Math.sin(angle);var squareCapLOffset=new jsts.geom.Coordinate(offsetL.p1.x+squareCapSideOffset.x,offsetL.p1.y+squareCapSideOffset.y);var squareCapROffset=new jsts.geom.Coordinate(offsetR.p1.x+squareCapSideOffset.x,offsetR.p1.y+squareCapSideOffset.y);this.segList.addPt(squareCapLOffset);this.segList.addPt(squareCapROffset);break}};jsts.operation.buffer.OffsetSegmentGenerator.prototype.addMitreJoin=function(p,offset0,offset1,distance){var isMitreWithinLimit=true;var intPt=null;try{intPt=jsts.algorithm.HCoordinate.intersection(offset0.p0,offset0.p1,offset1.p0,offset1.p1);var mitreRatio=distance<=0?1:intPt.distance(p)/Math.abs(distance);if(mitreRatio>this.bufParams.getMitreLimit())this.isMitreWithinLimit=false}catch(e){if(e instanceof jsts.error.NotRepresentableError){intPt=new jsts.geom.Coordinate(0,0);this.isMitreWithinLimit=false}}if(isMitreWithinLimit){this.segList.addPt(intPt)}else{this.addLimitedMitreJoin(offset0,offset1,distance,bufParams.getMitreLimit())}};jsts.operation.buffer.OffsetSegmentGenerator.prototype.addLimitedMitreJoin=function(offset0,offset1,distance,mitreLimit){var basePt=this.seg0.p1;var ang0=jsts.algorithm.Angle.angle(basePt,this.seg0.p0);var ang1=jsts.algorithm.Angle.angle(basePt,this.seg1.p1);var angDiff=jsts.algorithm.Angle.angleBetweenOriented(this.seg0.p0,basePt,this.seg1.p1);var angDiffHalf=angDiff/2;var midAng=jsts.algorithm.Angle.normalize(ang0+angDiffHalf);var mitreMidAng=jsts.algorithm.Angle.normalize(midAng+Math.PI);var mitreDist=mitreLimit*distance;var bevelDelta=mitreDist*Math.abs(Math.sin(angDiffHalf));var bevelHalfLen=distance-bevelDelta;var bevelMidX=basePt.x+mitreDist*Math.cos(mitreMidAng);var bevelMidY=basePt.y+mitreDist*Math.sin(mitreMidAng);var bevelMidPt=new jsts.geom.Coordinate(bevelMidX,bevelMidY);var mitreMidLine=new jsts.geom.LineSegment(basePt,bevelMidPt);var bevelEndLeft=mitreMidLine.pointAlongOffset(1,bevelHalfLen);var bevelEndRight=mitreMidLine.pointAlongOffset(1,-bevelHalfLen);if(this.side==jsts.geomgraph.Position.LEFT){this.segList.addPt(bevelEndLeft);this.segList.addPt(bevelEndRight)}else{this.segList.addPt(bevelEndRight);this.segList.addPt(bevelEndLeft)}};jsts.operation.buffer.OffsetSegmentGenerator.prototype.addBevelJoin=function(offset0,offset1){this.segList.addPt(offset0.p1);this.segList.addPt(offset1.p0)};jsts.operation.buffer.OffsetSegmentGenerator.prototype.addFillet=function(p,p0,p1,direction,radius){if(!(p1 instanceof jsts.geom.Coordinate)){this.addFillet2.apply(this,arguments);return}var dx0=p0.x-p.x;var dy0=p0.y-p.y;var startAngle=Math.atan2(dy0,dx0);var dx1=p1.x-p.x;var dy1=p1.y-p.y;var endAngle=Math.atan2(dy1,dx1);if(direction===jsts.algorithm.CGAlgorithms.CLOCKWISE){if(startAngle<=endAngle)startAngle+=2*Math.PI}else{if(startAngle>=endAngle)startAngle-=2*Math.PI}this.segList.addPt(p0);this.addFillet(p,startAngle,endAngle,direction,radius);this.segList.addPt(p1)};jsts.operation.buffer.OffsetSegmentGenerator.prototype.addFillet2=function(p,startAngle,endAngle,direction,radius){var directionFactor=direction===jsts.algorithm.CGAlgorithms.CLOCKWISE?-1:1;var totalAngle=Math.abs(startAngle-endAngle);var nSegs=parseInt(totalAngle/this.filletAngleQuantum+.5);if(nSegs<1)return;var initAngle,currAngleInc;initAngle=0;currAngleInc=totalAngle/nSegs;var currAngle=initAngle;var pt=new jsts.geom.Coordinate;while(currAngle<totalAngle){var angle=startAngle+directionFactor*currAngle;pt.x=p.x+radius*Math.cos(angle);pt.y=p.y+radius*Math.sin(angle);this.segList.addPt(pt);currAngle+=currAngleInc}};jsts.operation.buffer.OffsetSegmentGenerator.prototype.createCircle=function(p){var pt=new jsts.geom.Coordinate(p.x+this.distance,p.y);this.segList.addPt(pt);this.addFillet(p,0,2*Math.PI,-1,this.distance);this.segList.closeRing()};jsts.operation.buffer.OffsetSegmentGenerator.prototype.createSquare=function(p){this.segList.addPt(new jsts.geom.Coordinate(p.x+distance,p.y+distance));this.segList.addPt(new jsts.geom.Coordinate(p.x+distance,p.y-distance));this.segList.addPt(new jsts.geom.Coordinate(p.x-distance,p.y-distance));this.segList.addPt(new jsts.geom.Coordinate(p.x-distance,p.y+distance));this.segList.closeRing()};jsts.operation.overlay.MaximalEdgeRing=function(start,geometryFactory){jsts.geomgraph.EdgeRing.call(this,start,geometryFactory)};jsts.operation.overlay.MaximalEdgeRing.prototype=new jsts.geomgraph.EdgeRing;jsts.operation.overlay.MaximalEdgeRing.constructor=jsts.operation.overlay.MaximalEdgeRing;jsts.operation.overlay.MaximalEdgeRing.prototype.getNext=function(de){return de.getNext()};jsts.operation.overlay.MaximalEdgeRing.prototype.setEdgeRing=function(de,er){de.setEdgeRing(er)};jsts.operation.overlay.MaximalEdgeRing.prototype.linkDirectedEdgesForMinimalEdgeRings=function(){var de=this.startDe;do{var node=de.getNode();node.getEdges().linkMinimalDirectedEdges(this);de=de.getNext()}while(de!=this.startDe)};jsts.operation.overlay.MaximalEdgeRing.prototype.buildMinimalRings=function(){var minEdgeRings=[];var de=this.startDe;do{if(de.getMinEdgeRing()===null){var minEr=new jsts.operation.overlay.MinimalEdgeRing(de,this.geometryFactory);minEdgeRings.push(minEr)}de=de.getNext()}while(de!=this.startDe);return minEdgeRings};jsts.algorithm.CentroidPoint=function(){this.centSum=new jsts.geom.Coordinate};jsts.algorithm.CentroidPoint.prototype.ptCount=0;jsts.algorithm.CentroidPoint.prototype.centSum=null;jsts.algorithm.CentroidPoint.prototype.add=function(geom){if(geom instanceof jsts.geom.Point){this.add2(geom.getCoordinate())}else if(geom instanceof jsts.geom.GeometryCollection||geom instanceof jsts.geom.MultiPoint||geom instanceof jsts.geom.MultiLineString||geom instanceof jsts.geom.MultiPolygon){var gc=geom;for(var i=0;i<gc.getNumGeometries();i++){this.add(gc.getGeometryN(i))}}};jsts.algorithm.CentroidPoint.prototype.add2=function(pt){this.ptCount+=1;this.centSum.x+=pt.x;this.centSum.y+=pt.y};jsts.algorithm.CentroidPoint.prototype.getCentroid=function(){var cent=new jsts.geom.Coordinate;cent.x=this.centSum.x/this.ptCount;cent.y=this.centSum.y/this.ptCount;return cent};jsts.operation.distance.ConnectedElementLocationFilter=function(locations){this.locations=locations};jsts.operation.distance.ConnectedElementLocationFilter.prototype=new jsts.geom.GeometryFilter;jsts.operation.distance.ConnectedElementLocationFilter.prototype.locations=null;jsts.operation.distance.ConnectedElementLocationFilter.getLocations=function(geom){var locations=[];geom.apply(new jsts.operation.distance.ConnectedElementLocationFilter(locations));return locations};jsts.operation.distance.ConnectedElementLocationFilter.prototype.filter=function(geom){if(geom instanceof jsts.geom.Point||geom instanceof jsts.geom.LineString||geom instanceof jsts.geom.Polygon)this.locations.push(new jsts.operation.distance.GeometryLocation(geom,0,geom.getCoordinate()))};jsts.geomgraph.index.MonotoneChainEdge=function(e){this.e=e;this.pts=e.getCoordinates();var mcb=new jsts.geomgraph.index.MonotoneChainIndexer;this.startIndex=mcb.getChainStartIndices(this.pts)};jsts.geomgraph.index.MonotoneChainEdge.prototype.e=null;jsts.geomgraph.index.MonotoneChainEdge.prototype.pts=null;jsts.geomgraph.index.MonotoneChainEdge.prototype.startIndex=null;jsts.geomgraph.index.MonotoneChainEdge.prototype.env1=new jsts.geom.Envelope;jsts.geomgraph.index.MonotoneChainEdge.prototype.env2=new jsts.geom.Envelope;jsts.geomgraph.index.MonotoneChainEdge.prototype.getCoordinates=function(){return this.pts};jsts.geomgraph.index.MonotoneChainEdge.prototype.getStartIndexes=function(){return this.startIndex};jsts.geomgraph.index.MonotoneChainEdge.prototype.getMinX=function(chainIndex){var x1=this.pts[this.startIndex[chainIndex]].x;var x2=this.pts[this.startIndex[chainIndex+1]].x;if(x1<x2){return x1}return x2};jsts.geomgraph.index.MonotoneChainEdge.prototype.getMaxX=function(chainIndex){var x1=this.pts[this.startIndex[chainIndex]].x;var x2=this.pts[this.startIndex[chainIndex+1]].x;if(x1>x2){return x1}return x2};jsts.geomgraph.index.MonotoneChainEdge.prototype.computeIntersects=function(mce,si){for(var i=0;i<this.startIndex.length-1;i++){for(var j=0;j<mce.startIndex.length-1;j++){this.computeIntersectsForChain(i,mce,j,si)}}};jsts.geomgraph.index.MonotoneChainEdge.prototype.computeIntersectsForChain=function(chainIndex0,mce,chainIndex1,si){this.computeIntersectsForChain2(this.startIndex[chainIndex0],this.startIndex[chainIndex0+1],mce,mce.startIndex[chainIndex1],mce.startIndex[chainIndex1+1],si)};jsts.geomgraph.index.MonotoneChainEdge.prototype.computeIntersectsForChain2=function(start0,end0,mce,start1,end1,ei){var p00=this.pts[start0];var p01=this.pts[end0];var p10=mce.pts[start1];var p11=mce.pts[end1];if(end0-start0==1&&end1-start1==1){ei.addIntersections(this.e,start0,mce.e,start1);return}this.env1.init(p00,p01);this.env2.init(p10,p11);if(!this.env1.intersects(this.env2)){return}var mid0=Math.floor((start0+end0)/2);var mid1=Math.floor((start1+end1)/2);if(start0<mid0){if(start1<mid1){this.computeIntersectsForChain2(start0,mid0,mce,start1,mid1,ei)}if(mid1<end1){this.computeIntersectsForChain2(start0,mid0,mce,mid1,end1,ei)}}if(mid0<end0){if(start1<mid1){this.computeIntersectsForChain2(mid0,end0,mce,start1,mid1,ei)}if(mid1<end1){this.computeIntersectsForChain2(mid0,end0,mce,mid1,end1,ei)}}};(function(){var ArrayList=javascript.util.ArrayList;jsts.operation.relate.EdgeEndBuilder=function(){};jsts.operation.relate.EdgeEndBuilder.prototype.computeEdgeEnds=function(edges){if(arguments.length==2){this.computeEdgeEnds2.apply(this,arguments);return}var l=new ArrayList;for(var i=edges;i.hasNext();){var e=i.next();this.computeEdgeEnds2(e,l)}return l};jsts.operation.relate.EdgeEndBuilder.prototype.computeEdgeEnds2=function(edge,l){var eiList=edge.getEdgeIntersectionList();eiList.addEndpoints();var it=eiList.iterator();var eiPrev=null;var eiCurr=null;if(!it.hasNext())return;var eiNext=it.next();do{eiPrev=eiCurr;eiCurr=eiNext;eiNext=null;if(it.hasNext())eiNext=it.next();if(eiCurr!==null){this.createEdgeEndForPrev(edge,l,eiCurr,eiPrev);this.createEdgeEndForNext(edge,l,eiCurr,eiNext)}}while(eiCurr!==null)};jsts.operation.relate.EdgeEndBuilder.prototype.createEdgeEndForPrev=function(edge,l,eiCurr,eiPrev){var iPrev=eiCurr.segmentIndex;if(eiCurr.dist===0){if(iPrev===0)return;iPrev--}var pPrev=edge.getCoordinate(iPrev);if(eiPrev!==null&&eiPrev.segmentIndex>=iPrev)pPrev=eiPrev.coord;var label=new jsts.geomgraph.Label(edge.getLabel());label.flip();var e=new jsts.geomgraph.EdgeEnd(edge,eiCurr.coord,pPrev,label);l.add(e)};jsts.operation.relate.EdgeEndBuilder.prototype.createEdgeEndForNext=function(edge,l,eiCurr,eiNext){var iNext=eiCurr.segmentIndex+1;if(iNext>=edge.getNumPoints()&&eiNext===null)return;var pNext=edge.getCoordinate(iNext);if(eiNext!==null&&eiNext.segmentIndex===eiCurr.segmentIndex)pNext=eiNext.coord;var e=new jsts.geomgraph.EdgeEnd(edge,eiCurr.coord,pNext,new jsts.geomgraph.Label(edge.getLabel()));l.add(e)}})();(function(){jsts.io.GeoJSONParser=function(geometryFactory){this.geometryFactory=geometryFactory||new jsts.geom.GeometryFactory;this.geometryTypes=["Point","MultiPoint","LineString","MultiLineString","Polygon","MultiPolygon"]};jsts.io.GeoJSONParser.prototype.read=function(json){var obj;if(typeof json==="string"){obj=JSON.parse(json)}else{obj=json}var type=obj.type;if(!this.parse[type]){throw new Error("Unknown GeoJSON type: "+obj.type)}if(this.geometryTypes.indexOf(type)!=-1){return this.parse[type].apply(this,[obj.coordinates])}else if(type==="GeometryCollection"){return this.parse[type].apply(this,[obj.geometries])}return this.parse[type].apply(this,[obj])};jsts.io.GeoJSONParser.prototype.parse={Feature:function(obj){var feature={};for(var key in obj){feature[key]=obj[key]}if(obj.geometry){var type=obj.geometry.type;if(!this.parse[type]){throw new Error("Unknown GeoJSON type: "+obj.type)}feature.geometry=this.read(obj.geometry)}if(obj.bbox){feature.bbox=this.parse.bbox.apply(this,[obj.bbox])}return feature},FeatureCollection:function(obj){var featureCollection={};if(obj.features){featureCollection.features=[];for(var i=0;i<obj.features.length;++i){featureCollection.features.push(this.read(obj.features[i]))}}if(obj.bbox){featureCollection.bbox=this.parse.bbox.apply(this,[obj.bbox])}return featureCollection},coordinates:function(array){var coordinates=[];for(var i=0;i<array.length;++i){var sub=array[i];coordinates.push(new jsts.geom.Coordinate(sub[0],sub[1]))}return coordinates},bbox:function(array){return this.geometryFactory.createLinearRing([new jsts.geom.Coordinate(array[0],array[1]),new jsts.geom.Coordinate(array[2],array[1]),new jsts.geom.Coordinate(array[2],array[3]),new jsts.geom.Coordinate(array[0],array[3]),new jsts.geom.Coordinate(array[0],array[1])])},Point:function(array){var coordinate=new jsts.geom.Coordinate(array[0],array[1]);return this.geometryFactory.createPoint(coordinate)},MultiPoint:function(array){var points=[];for(var i=0;i<array.length;++i){points.push(this.parse.Point.apply(this,[array[i]]))}return this.geometryFactory.createMultiPoint(points)},LineString:function(array){var coordinates=this.parse.coordinates.apply(this,[array]);return this.geometryFactory.createLineString(coordinates)},MultiLineString:function(array){var lineStrings=[];for(var i=0;i<array.length;++i){lineStrings.push(this.parse.LineString.apply(this,[array[i]]))}return this.geometryFactory.createMultiLineString(lineStrings)},Polygon:function(array){var shellCoordinates=this.parse.coordinates.apply(this,[array[0]]);var shell=this.geometryFactory.createLinearRing(shellCoordinates);var holes=[];for(var i=1;i<array.length;++i){var hole=array[i];var coordinates=this.parse.coordinates.apply(this,[hole]);var linearRing=this.geometryFactory.createLinearRing(coordinates);holes.push(linearRing)}return this.geometryFactory.createPolygon(shell,holes)},MultiPolygon:function(array){var polygons=[];for(var i=0;i<array.length;++i){var polygon=array[i];polygons.push(this.parse.Polygon.apply(this,[polygon]))}return this.geometryFactory.createMultiPolygon(polygons)},GeometryCollection:function(array){var geometries=[];for(var i=0;i<array.length;++i){var geometry=array[i];geometries.push(this.read(geometry))}return this.geometryFactory.createGeometryCollection(geometries)}};jsts.io.GeoJSONParser.prototype.write=function(geometry){var type=geometry.CLASS_NAME.slice(10);if(!this.extract[type]){throw new Error("Geometry is not supported")}return this.extract[type].apply(this,[geometry])};jsts.io.GeoJSONParser.prototype.extract={coordinate:function(coordinate){return[coordinate.x,coordinate.y]},Point:function(point){var array=this.extract.coordinate.apply(this,[point.coordinate]);return{type:"Point",coordinates:array}},MultiPoint:function(multipoint){var array=[];for(var i=0;i<multipoint.geometries.length;++i){var point=multipoint.geometries[i];var geoJson=this.extract.Point.apply(this,[point]);array.push(geoJson.coordinates)}return{type:"MultiPoint",coordinates:array}},LineString:function(linestring){var array=[];for(var i=0;i<linestring.points.length;++i){var coordinate=linestring.points[i];array.push(this.extract.coordinate.apply(this,[coordinate]))}return{type:"LineString",coordinates:array}},MultiLineString:function(multilinestring){var array=[];for(var i=0;i<multilinestring.geometries.length;++i){var linestring=multilinestring.geometries[i];var geoJson=this.extract.LineString.apply(this,[linestring]);array.push(geoJson.coordinates)}return{type:"MultiLineString",coordinates:array}},Polygon:function(polygon){var array=[];var shellGeoJson=this.extract.LineString.apply(this,[polygon.shell]);array.push(shellGeoJson.coordinates);for(var i=0;i<polygon.holes.length;++i){var hole=polygon.holes[i];var holeGeoJson=this.extract.LineString.apply(this,[hole]);array.push(holeGeoJson.coordinates)}return{type:"Polygon",coordinates:array}},MultiPolygon:function(multipolygon){var array=[];for(var i=0;i<multipolygon.geometries.length;++i){var polygon=multipolygon.geometries[i];var geoJson=this.extract.Polygon.apply(this,[polygon]);array.push(geoJson.coordinates)}return{type:"MultiPolygon",coordinates:array}},GeometryCollection:function(collection){var array=[];for(var i=0;i<collection.geometries.length;++i){var geometry=collection.geometries[i];var type=geometry.CLASS_NAME.slice(10);array.push(this.extract[type].apply(this,[geometry]))}return{type:"GeometryCollection",geometries:array}}}})();jsts.triangulate.quadedge.Vertex=function(){if(arguments.length===1){this.initFromCoordinate(arguments[0])}else{this.initFromXY(arguments[0],arguments[1])}};jsts.triangulate.quadedge.Vertex.LEFT=0;jsts.triangulate.quadedge.Vertex.RIGHT=1;jsts.triangulate.quadedge.Vertex.BEYOND=2;jsts.triangulate.quadedge.Vertex.BEHIND=3;jsts.triangulate.quadedge.Vertex.BETWEEN=4;jsts.triangulate.quadedge.Vertex.ORIGIN=5;jsts.triangulate.quadedge.Vertex.DESTINATION=6;jsts.triangulate.quadedge.Vertex.prototype.initFromXY=function(x,y){this.p=new jsts.geom.Coordinate(x,y)};jsts.triangulate.quadedge.Vertex.prototype.initFromCoordinate=function(_p){this.p=new jsts.geom.Coordinate(_p)};jsts.triangulate.quadedge.Vertex.prototype.getX=function(){return this.p.x};jsts.triangulate.quadedge.Vertex.prototype.getY=function(){return this.p.y};jsts.triangulate.quadedge.Vertex.prototype.getZ=function(){return this.p.z};jsts.triangulate.quadedge.Vertex.prototype.setZ=function(z){this.p.z=z};jsts.triangulate.quadedge.Vertex.prototype.getCoordinate=function(){return this.p};jsts.triangulate.quadedge.Vertex.prototype.toString=function(){return"POINT ("+this.p.x+" "+this.p.y+")"};jsts.triangulate.quadedge.Vertex.prototype.equals=function(){if(arguments.length===1){return this.equalsExact(arguments[0])}else{return this.equalsWithTolerance(arguments[0],arguments[1])}};jsts.triangulate.quadedge.Vertex.prototype.equalsExact=function(other){return this.p.x===other.getX()&&this.p.y===other.getY()};jsts.triangulate.quadedge.Vertex.prototype.equalsWithTolerance=function(other,tolerance){return this.p.distance(other.getCoordinate())<tolerance};jsts.triangulate.quadedge.Vertex.prototype.classify=function(p0,p1){var p2,a,b,sa;p2=this;a=p1.sub(p0);b=p2.sub(p0);sa=a.crossProduct(b);if(sa>0){return jsts.triangulate.quadedge.Vertex.LEFT}if(sa<0){return jsts.triangulate.quadedge.Vertex.RIGHT}if(a.getX()*b.getX()<0||a.getY()*b.getY()<0){return jsts.triangulate.quadedge.Vertex.BEHIND}if(a.magn()<b.magn()){return jsts.triangulate.quadedge.Vertex.BEYOND}if(p0.equals(p2)){return jsts.triangulate.quadedge.Vertex.ORIGIN}if(p1.equals(p2)){return jsts.triangulate.quadedge.Vertex.DESTINATION}return jsts.triangulate.quadedge.Vertex.BETWEEN};jsts.triangulate.quadedge.Vertex.prototype.crossProduct=function(v){return this.p.x*v.getY()-this.p.y*v.getX()};jsts.triangulate.quadedge.Vertex.prototype.dot=function(v){return this.p.x*v.getX()+this.p.y*v.getY()};jsts.triangulate.quadedge.Vertex.prototype.times=function(c){return new jsts.triangulate.quadedge.Vertex(c*this.p.x,c*this.p.y)};jsts.triangulate.quadedge.Vertex.prototype.sum=function(v){return new jsts.triangulate.quadedge.Vertex(this.p.x+v.getX(),this.p.y+v.getY())};jsts.triangulate.quadedge.Vertex.prototype.sub=function(v){return new jsts.triangulate.quadedge.Vertex(this.p.x-v.getX(),this.p.y-v.getY())};jsts.triangulate.quadedge.Vertex.prototype.magn=function(){return Math.sqrt(this.p.x*this.p.x+this.p.y*this.p.y)};jsts.triangulate.quadedge.Vertex.prototype.cross=function(){return new Vertex(this.p.y,-this.p.x)};jsts.triangulate.quadedge.Vertex.prototype.isInCircle=function(a,b,c){return jsts.triangulate.quadedge.TrianglePredicate.isInCircleRobust(a.p,b.p,c.p,this.p)};jsts.triangulate.quadedge.Vertex.prototype.isCCW=function(b,c){return(b.p.x-this.p.x)*(c.p.y-this.p.y)-(b.p.y-this.p.y)*(c.p.x-this.p.x)>0};jsts.triangulate.quadedge.Vertex.prototype.rightOf=function(e){return this.isCCW(e.dest(),e.orig())};jsts.triangulate.quadedge.Vertex.prototype.leftOf=function(e){return this.isCCW(e.orig(),e.dest())};jsts.triangulate.quadedge.Vertex.prototype.bisector=function(a,b){var dx,dy,l1,l2;dx=b.getX()-a.getX();dy=b.getY()-a.getY();l1=new jsts.algorithm.HCoordinate(a.getX()+dx/2,a.getY()+dy/2,1);l2=new jsts.algorithm.HCoordinate(a.getX()-dy+dx/2,a.getY()+dx+dy/2,1);return new jsts.algorithm.HCoordinate(l1,l2)};jsts.triangulate.quadedge.Vertex.prototype.distance=function(v1,v2){return v1.p.distance(v2.p)};jsts.triangulate.quadedge.Vertex.prototype.circumRadiusRatio=function(b,c){var x,radius,edgeLength,el;x=this.circleCenter(b,c);radius=this.distance(x,b);edgeLength=this.distance(this,b);el=this.distance(b,c);if(el<edgeLength){edgeLength=el}el=this.distance(c,this);if(el<edgeLength){edgeLength=el}return radius/edgeLength};jsts.triangulate.quadedge.Vertex.prototype.midPoint=function(a){var xm,ym;xm=(this.p.x+a.getX())/2;ym=(this.p.y+a.getY())/2;return new jsts.triangulate.quadedge.Vertex(xm,ym)};jsts.triangulate.quadedge.Vertex.prototype.circleCenter=function(b,c){var a,cab,cbc,hcc,cc;a=new jsts.triangulate.quadedge.Vertex(this.getX(),this.getY());cab=this.bisector(a,b);cbc=this.bisector(b,c);hcc=new jsts.algorithm.HCoordinate(cab,cbc);cc=null;try{cc=new jsts.triangulate.quadedge.Vertex(hcc.getX(),hcc.getY())}catch(err){}return cc};jsts.operation.valid.IsValidOp=function(parentGeometry){this.parentGeometry=parentGeometry;this.isSelfTouchingRingFormingHoleValid=false;this.validErr=null};jsts.operation.valid.IsValidOp.isValid=function(arg){if(arguments[0]instanceof jsts.geom.Coordinate){if(isNaN(arg.x)){return false}if(!isFinite(arg.x)&&!isNaN(arg.x)){return false}if(isNaN(arg.y)){return false}if(!isFinite(arg.y)&&!isNaN(arg.y)){return false}return true}else{var isValidOp=new jsts.operation.valid.IsValidOp(arg);return isValidOp.isValid()}};jsts.operation.valid.IsValidOp.findPtNotNode=function(testCoords,searchRing,graph){var searchEdge=graph.findEdge(searchRing);var eiList=searchEdge.getEdgeIntersectionList();for(var i=0;i<testCoords.length;i++){var pt=testCoords[i];if(!eiList.isIntersection(pt)){return pt}}return null};jsts.operation.valid.IsValidOp.prototype.setSelfTouchingRingFormingHoleValid=function(isValid){this.isSelfTouchingRingFormingHoleValid=isValid};jsts.operation.valid.IsValidOp.prototype.isValid=function(){this.checkValid(this.parentGeometry);return this.validErr==null};jsts.operation.valid.IsValidOp.prototype.getValidationError=function(){this.checkValid(this.parentGeometry);return this.validErr};jsts.operation.valid.IsValidOp.prototype.checkValid=function(g){this.validErr=null;if(g.isEmpty()){return}if(g instanceof jsts.geom.Point){this.checkValidPoint(g)}else if(g instanceof jsts.geom.MultiPoint){this.checkValidMultiPoint(g)}else if(g instanceof jsts.geom.LinearRing){this.checkValidLinearRing(g)}else if(g instanceof jsts.geom.LineString){this.checkValidLineString(g)}else if(g instanceof jsts.geom.Polygon){this.checkValidPolygon(g)}else if(g instanceof jsts.geom.MultiPolygon){this.checkValidMultiPolygon(g)}else if(g instanceof jsts.geom.GeometryCollection){this.checkValidGeometryCollection(g)}else{throw g.constructor}};jsts.operation.valid.IsValidOp.prototype.checkValidPoint=function(g){this.checkInvalidCoordinates(g.getCoordinates())};jsts.operation.valid.IsValidOp.prototype.checkValidMultiPoint=function(g){this.checkInvalidCoordinates(g.getCoordinates())};jsts.operation.valid.IsValidOp.prototype.checkValidLineString=function(g){this.checkInvalidCoordinates(g.getCoordinates());if(this.validErr!=null){return}var graph=new jsts.geomgraph.GeometryGraph(0,g);this.checkTooFewPoints(graph)};jsts.operation.valid.IsValidOp.prototype.checkValidLinearRing=function(g){this.checkInvalidCoordinates(g.getCoordinates());if(this.validErr!=null){return}this.checkClosedRing(g);if(this.validErr!=null){return}var graph=new jsts.geomgraph.GeometryGraph(0,g);this.checkTooFewPoints(graph);if(this.validErr!=null){return}var li=new jsts.algorithm.RobustLineIntersector;graph.computeSelfNodes(li,true);this.checkNoSelfIntersectingRings(graph)};jsts.operation.valid.IsValidOp.prototype.checkValidPolygon=function(g){this.checkInvalidCoordinates(g);if(this.validErr!=null){return}this.checkClosedRings(g);if(this.validErr!=null){return}var graph=new jsts.geomgraph.GeometryGraph(0,g);this.checkTooFewPoints(graph);if(this.validErr!=null){return}this.checkConsistentArea(graph);if(this.validErr!=null){return}if(!this.isSelfTouchingRingFormingHoleValid){this.checkNoSelfIntersectingRings(graph);if(this.validErr!=null){return}}this.checkHolesInShell(g,graph);if(this.validErr!=null){return}this.checkHolesNotNested(g,graph);if(this.validErr!=null){return}this.checkConnectedInteriors(graph)};jsts.operation.valid.IsValidOp.prototype.checkValidMultiPolygon=function(g){var il=g.getNumGeometries();for(var i=0;i<il;i++){var p=g.getGeometryN(i);this.checkInvalidCoordinates(p);if(this.validErr!=null){return}this.checkClosedRings(p);if(this.validErr!=null){return}}var graph=new jsts.geomgraph.GeometryGraph(0,g);this.checkTooFewPoints(graph);if(this.validErr!=null){return}this.checkConsistentArea(graph);if(this.validErr!=null){return}if(!this.isSelfTouchingRingFormingHoleValid){this.checkNoSelfIntersectingRings(graph);if(this.validErr!=null){return}}for(var i=0;i<g.getNumGeometries();i++){var p=g.getGeometryN(i);this.checkHolesInShell(p,graph);if(this.validErr!=null){return}}for(var i=0;i<g.getNumGeometries();i++){var p=g.getGeometryN(i);this.checkHolesNotNested(p,graph);if(this.validErr!=null){return}}this.checkShellsNotNested(g,graph);if(this.validErr!=null){return}this.checkConnectedInteriors(graph)};jsts.operation.valid.IsValidOp.prototype.checkValidGeometryCollection=function(gc){for(var i=0;i<gc.getNumGeometries();i++){var g=gc.getGeometryN(i);this.checkValid(g);if(this.validErr!=null){return}}};jsts.operation.valid.IsValidOp.prototype.checkInvalidCoordinates=function(arg){if(arg instanceof jsts.geom.Polygon){var poly=arg;this.checkInvalidCoordinates(poly.getExteriorRing().getCoordinates());if(this.validErr!=null){return}for(var i=0;i<poly.getNumInteriorRing();i++){this.checkInvalidCoordinates(poly.getInteriorRingN(i).getCoordinates());if(this.validErr!=null){return}}}else{var coords=arg;for(var i=0;i<coords.length;i++){if(!jsts.operation.valid.IsValidOp.isValid(coords[i])){this.validErr=new jsts.operation.valid.TopologyValidationError(jsts.operation.valid.TopologyValidationError.INVALID_COORDINATE,coords[i]);return}}}};jsts.operation.valid.IsValidOp.prototype.checkClosedRings=function(poly){this.checkClosedRing(poly.getExteriorRing());if(this.validErr!=null){return}for(var i=0;i<poly.getNumInteriorRing();i++){this.checkClosedRing(poly.getInteriorRingN(i));if(this.validErr!=null){return}}};jsts.operation.valid.IsValidOp.prototype.checkClosedRing=function(ring){if(!ring.isClosed()){var pt=null;if(ring.getNumPoints()>=1){pt=ring.getCoordinateN(0)}this.validErr=new jsts.operation.valid.TopologyValidationError(jsts.operation.valid.TopologyValidationError.RING_NOT_CLOSED,pt)}};jsts.operation.valid.IsValidOp.prototype.checkTooFewPoints=function(graph){if(graph.hasTooFewPoints){this.validErr=new jsts.operation.valid.TopologyValidationError(jsts.operation.valid.TopologyValidationError.TOO_FEW_POINTS,graph.getInvalidPoint());return}};jsts.operation.valid.IsValidOp.prototype.checkConsistentArea=function(graph){var cat=new jsts.operation.valid.ConsistentAreaTester(graph);var isValidArea=cat.isNodeConsistentArea();if(!isValidArea){this.validErr=new jsts.operation.valid.TopologyValidationError(jsts.operation.valid.TopologyValidationError.SELF_INTERSECTION,cat.getInvalidPoint());return}if(cat.hasDuplicateRings()){this.validErr=new jsts.operation.valid.TopologyValidationError(jsts.operation.valid.TopologyValidationError.DUPLICATE_RINGS,cat.getInvalidPoint())}};jsts.operation.valid.IsValidOp.prototype.checkNoSelfIntersectingRings=function(graph){for(var i=graph.getEdgeIterator();i.hasNext();){var e=i.next();this.checkNoSelfIntersectingRing(e.getEdgeIntersectionList());if(this.validErr!=null){return}}};jsts.operation.valid.IsValidOp.prototype.checkNoSelfIntersectingRing=function(eiList){var nodeSet=[];var isFirst=true;for(var i=eiList.iterator();i.hasNext();){var ei=i.next();if(isFirst){isFirst=false;continue}if(nodeSet.indexOf(ei.coord)>=0){this.validErr=new jsts.operation.valid.TopologyValidationError(jsts.operation.valid.TopologyValidationError.RING_SELF_INTERSECTION,ei.coord);return}else{nodeSet.push(ei.coord)}}};jsts.operation.valid.IsValidOp.prototype.checkHolesInShell=function(p,graph){var shell=p.getExteriorRing();var pir=new jsts.algorithm.MCPointInRing(shell);for(var i=0;i<p.getNumInteriorRing();i++){var hole=p.getInteriorRingN(i);var holePt=jsts.operation.valid.IsValidOp.findPtNotNode(hole.getCoordinates(),shell,graph);if(holePt==null){return}var outside=!pir.isInside(holePt);if(outside){this.validErr=new jsts.operation.valid.TopologyValidationError(jsts.operation.valid.TopologyValidationError.HOLE_OUTSIDE_SHELL,holePt);return}}};jsts.operation.valid.IsValidOp.prototype.checkHolesNotNested=function(p,graph){var nestedTester=new jsts.operation.valid.IndexedNestedRingTester(graph);for(var i=0;i<p.getNumInteriorRing();i++){var innerHole=p.getInteriorRingN(i);nestedTester.add(innerHole)}var isNonNested=nestedTester.isNonNested();if(!isNonNested){this.validErr=new jsts.operation.valid.TopologyValidationError(jsts.operation.valid.TopologyValidationError.NESTED_HOLES,nestedTester.getNestedPoint())}};jsts.operation.valid.IsValidOp.prototype.checkShellsNotNested=function(mp,graph){for(var i=0;i<mp.getNumGeometries();i++){var p=mp.getGeometryN(i);var shell=p.getExteriorRing();for(var j=0;j<mp.getNumGeometries();j++){if(i==j){continue}var p2=mp.getGeometryN(j);this.checkShellNotNested(shell,p2,graph);if(this.validErr!=null){return}}}};jsts.operation.valid.IsValidOp.prototype.checkShellNotNested=function(shell,p,graph){var shellPts=shell.getCoordinates();var polyShell=p.getExteriorRing();var polyPts=polyShell.getCoordinates();var shellPt=jsts.operation.valid.IsValidOp.findPtNotNode(shellPts,polyShell,graph);if(shellPt==null){return}var insidePolyShell=jsts.algorithm.CGAlgorithms.isPointInRing(shellPt,polyPts);if(!insidePolyShell){return}if(p.getNumInteriorRing()<=0){this.validErr=new jsts.operation.valid.TopologyValidationError(jsts.operation.valid.TopologyValidationError.NESTED_SHELLS,shellPt);return}var badNestedPt=null;
for(var i=0;i<p.getNumInteriorRing();i++){var hole=p.getInteriorRingN(i);badNestedPt=this.checkShellInsideHole(shell,hole,graph);if(badNestedPt==null){return}}this.validErr=new jsts.operation.valid.TopologyValidationError(jsts.operation.valid.TopologyValidationError.NESTED_SHELLS,badNestedPt)};jsts.operation.valid.IsValidOp.prototype.checkShellInsideHole=function(shell,hole,graph){var shellPts=shell.getCoordinates();var holePts=hole.getCoordinates();var shellPt=jsts.operation.valid.IsValidOp.findPtNotNode(shellPts,hole,graph);if(shellPt!=null){var insideHole=jsts.algorithm.CGAlgorithms.isPointInRing(shellPt,holePts);if(!insideHole){return shellPt}}var holePt=jsts.operation.valid.IsValidOp.findPtNotNode(holePts,shell,graph);if(holePt!=null){var insideShell=jsts.algorithm.CGAlgorithms.isPointInRing(holePt,shellPts);if(insideShell){return holePt}return null}jsts.util.Assert.shouldNeverReachHere("points in shell and hole appear to be equal");return null};jsts.operation.valid.IsValidOp.prototype.checkConnectedInteriors=function(graph){var cit=new jsts.operation.valid.ConnectedInteriorTester(graph);if(!cit.isInteriorsConnected()){this.validErr=new jsts.operation.valid.TopologyValidationError(jsts.operation.valid.TopologyValidationError.DISCONNECTED_INTERIOR,cit.getCoordinate())}};jsts.algorithm.RobustDeterminant=function(){};jsts.algorithm.RobustDeterminant.signOfDet2x2=function(x1,y1,x2,y2){var sign,swap,k,count;count=0;sign=1;if(x1===0||y2===0){if(y1===0||x2===0){return 0}else if(y1>0){if(x2>0){return-sign}else{return sign}}else{if(x2>0){return sign}else{return-sign}}}if(y1===0||x2===0){if(y2>0){if(x1>0){return sign}else{return-sign}}else{if(x1>0){return-sign}else{return sign}}}if(0<y1){if(0<y2){if(y1>y2){sign=-sign;swap=x1;x1=x2;x2=swap;swap=y1;y1=y2;y2=swap}}else{if(y1<=-y2){sign=-sign;x2=-x2;y2=-y2}else{swap=x1;x1=-x2;x2=swap;swap=y1;y1=-y2;y2=swap}}}else{if(0<y2){if(-y1<=y2){sign=-sign;x1=-x1;y1=-y1}else{swap=-x1;x1=x2;x2=swap;swap=-y1;y1=y2;y2=swap}}else{if(y1>=y2){x1=-x1;y1=-y1;x2=-x2;y2=-y2}else{sign=-sign;swap=-x1;x1=-x2;x2=swap;swap=-y1;y1=-y2;y2=swap}}}if(0<x1){if(0<x2){if(x1>x2){return sign}}else{return sign}}else{if(0<x2){return-sign}else{if(x1>=x2){sign=-sign;x1=-x1;x2=-x2}else{return-sign}}}while(true){count=count+1;k=Math.floor(x2/x1);x2=x2-k*x1;y2=y2-k*y1;if(y2<0){return-sign}if(y2>y1){return sign}if(x1>x2+x2){if(y1<y2+y2){return sign}}else{if(y1>y2+y2){return-sign}else{x2=x1-x2;y2=y1-y2;sign=-sign}}if(y2===0){if(x2===0){return 0}else{return-sign}}if(x2===0){return sign}k=Math.floor(x1/x2);x1=x1-k*x2;y1=y1-k*y2;if(y1<0){return sign}if(y1>y2){return-sign}if(x2>x1+x1){if(y2<y1+y1){return-sign}}else{if(y2>y1+y1){return sign}else{x1=x2-x1;y1=y2-y1;sign=-sign}}if(y1===0){if(x1===0){return 0}else{return sign}}if(x1===0){return-sign}}};jsts.algorithm.RobustDeterminant.orientationIndex=function(p1,p2,q){var dx1=p2.x-p1.x;var dy1=p2.y-p1.y;var dx2=q.x-p2.x;var dy2=q.y-p2.y;return jsts.algorithm.RobustDeterminant.signOfDet2x2(dx1,dy1,dx2,dy2)};jsts.index.quadtree.NodeBase=function(){this.subnode=new Array(4);this.subnode[0]=null;this.subnode[1]=null;this.subnode[2]=null;this.subnode[3]=null;this.items=[]};jsts.index.quadtree.NodeBase.prototype.getSubnodeIndex=function(env,centre){var subnodeIndex=-1;if(env.getMinX()>=centre.x){if(env.getMinY()>=centre.y){subnodeIndex=3}if(env.getMaxY()<=centre.y){subnodeIndex=1}}if(env.getMaxX()<=centre.x){if(env.getMinY()>=centre.y){subnodeIndex=2}if(env.getMaxY()<=centre.y){subnodeIndex=0}}return subnodeIndex};jsts.index.quadtree.NodeBase.prototype.getItems=function(){return this.items};jsts.index.quadtree.NodeBase.prototype.hasItems=function(){return this.items.length>0};jsts.index.quadtree.NodeBase.prototype.add=function(item){this.items.push(item)};jsts.index.quadtree.NodeBase.prototype.remove=function(itemEnv,item){if(!this.isSearchMatch(itemEnv)){return false}var found=false,i=0;for(i;i<4;i++){if(this.subnode[i]!==null){found=this.subnode[i].remove(itemEnv,item);if(found){if(this.subnode[i].isPrunable()){this.subnode[i]=null}break}}}if(found){return found}if(this.items.indexOf(item)!==-1){for(var i=this.items.length-1;i>=0;i--){if(this.items[i]===item){this.items.splice(i,1)}}found=true}return found};jsts.index.quadtree.NodeBase.prototype.isPrunable=function(){return!(this.hasChildren()||this.hasItems())};jsts.index.quadtree.NodeBase.prototype.hasChildren=function(){var i=0;for(i;i<4;i++){if(this.subnode[i]!==null){return true}}return false};jsts.index.quadtree.NodeBase.prototype.isEmpty=function(){var isEmpty=true;if(this.items.length>0){isEmpty=false}var i=0;for(i;i<4;i++){if(this.subnode[i]!==null){if(!this.subnode[i].isEmpty()){isEmpty=false}}}return isEmpty};jsts.index.quadtree.NodeBase.prototype.addAllItems=function(resultItems){resultItems=resultItems.concat(this.items);var i=0;for(i;i<4;i++){if(this.subnode[i]!==null){resultItems=this.subnode[i].addAllItems(resultItems)}}return resultItems};jsts.index.quadtree.NodeBase.prototype.addAllItemsFromOverlapping=function(searchEnv,resultItems){if(!this.isSearchMatch(searchEnv)){return}resultItems=resultItems.concat(this.items);var i=0;for(i;i<4;i++){if(this.subnode[i]!==null){resultItems=this.subnode[i].addAllItemsFromOverlapping(searchEnv,resultItems)}}};jsts.index.quadtree.NodeBase.prototype.visit=function(searchEnv,visitor){if(!this.isSearchMatch(searchEnv)){return}this.visitItems(searchEnv,visitor);var i=0;for(i;i<4;i++){if(this.subnode[i]!==null){this.subnode[i].visit(searchEnv,visitor)}}};jsts.index.quadtree.NodeBase.prototype.visitItems=function(env,visitor){var i=0,il=this.items.length;for(i;i<il;i++){visitor.visitItem(this.items[i])}};jsts.index.quadtree.NodeBase.prototype.depth=function(){var maxSubDepth=0,i=0,sqd;for(i;i<4;i++){if(this.subnode[i]!==null){sqd=this.subnode[i].depth();if(sqd>maxSubDepth){maxSubDepth=sqd}}}return maxSubDepth+1};jsts.index.quadtree.NodeBase.prototype.size=function(){var subSize=0,i=0;for(i;i<4;i++){if(this.subnode[i]!==null){subSize+=this.subnode[i].size()}}return subSize+this.items.length};jsts.index.quadtree.NodeBase.prototype.getNodeCount=function(){var subSize=0,i=0;for(i;i<4;i++){if(this.subnode[i]!==null){subSize+=this.subnode[i].size()}}return subSize+1};jsts.index.quadtree.Node=function(env,level){jsts.index.quadtree.NodeBase.prototype.constructor.apply(this,arguments);this.env=env;this.level=level;this.centre=new jsts.geom.Coordinate;this.centre.x=(env.getMinX()+env.getMaxX())/2;this.centre.y=(env.getMinY()+env.getMaxY())/2};jsts.index.quadtree.Node.prototype=new jsts.index.quadtree.NodeBase;jsts.index.quadtree.Node.createNode=function(env){var key,node;key=new jsts.index.quadtree.Key(env);node=new jsts.index.quadtree.Node(key.getEnvelope(),key.getLevel());return node};jsts.index.quadtree.Node.createExpanded=function(node,addEnv){var expandEnv=new jsts.geom.Envelope(addEnv),largerNode;if(node!==null){expandEnv.expandToInclude(node.env)}largerNode=jsts.index.quadtree.Node.createNode(expandEnv);if(node!==null){largerNode.insertNode(node)}return largerNode};jsts.index.quadtree.Node.prototype.getEnvelope=function(){return this.env};jsts.index.quadtree.Node.prototype.isSearchMatch=function(searchEnv){return this.env.intersects(searchEnv)};jsts.index.quadtree.Node.prototype.getNode=function(searchEnv){var subnodeIndex=this.getSubnodeIndex(searchEnv,this.centre),node;if(subnodeIndex!==-1){node=this.getSubnode(subnodeIndex);return node.getNode(searchEnv)}else{return this}};jsts.index.quadtree.Node.prototype.find=function(searchEnv){var subnodeIndex=this.getSubnodeIndex(searchEnv,this.centre),node;if(subnodeIndex===-1){return this}if(this.subnode[subnodeIndex]!==null){node=this.subnode[subnodeIndex];return node.find(searchEnv)}return this};jsts.index.quadtree.Node.prototype.insertNode=function(node){var index=this.getSubnodeIndex(node.env,this.centre),childNode;if(node.level===this.level-1){this.subnode[index]=node}else{childNode=this.createSubnode(index);childNode.insertNode(node);this.subnode[index]=childNode}};jsts.index.quadtree.Node.prototype.getSubnode=function(index){if(this.subnode[index]===null){this.subnode[index]=this.createSubnode(index)}return this.subnode[index]};jsts.index.quadtree.Node.prototype.createSubnode=function(index){var minx=0,maxx=0,miny=0,maxy=0,sqEnv,node;switch(index){case 0:minx=this.env.getMinX();maxx=this.centre.x;miny=this.env.getMinY();maxy=this.centre.y;break;case 1:minx=this.centre.x;maxx=this.env.getMaxX();miny=this.env.getMinY();maxy=this.centre.y;break;case 2:minx=this.env.getMinX();maxx=this.centre.x;miny=this.centre.y;maxy=this.env.getMaxY();break;case 3:minx=this.centre.x;maxx=this.env.getMaxX();miny=this.centre.y;maxy=this.env.getMaxY();break}sqEnv=new jsts.geom.Envelope(minx,maxx,miny,maxy);node=new jsts.index.quadtree.Node(sqEnv,this.level-1);return node};(function(){jsts.triangulate.quadedge.QuadEdge=function(){this.rot=null;this.vertex=null;this.next=null;this.data=null};var QuadEdge=jsts.triangulate.quadedge.QuadEdge;jsts.triangulate.quadedge.QuadEdge.makeEdge=function(o,d){var q0,q1,q2,q3,base;q0=new QuadEdge;q1=new QuadEdge;q2=new QuadEdge;q3=new QuadEdge;q0.rot=q1;q1.rot=q2;q2.rot=q3;q3.rot=q0;q0.setNext(q0);q1.setNext(q3);q2.setNext(q2);q3.setNext(q1);base=q0;base.setOrig(o);base.setDest(d);return base};jsts.triangulate.quadedge.QuadEdge.connect=function(a,b){var e=QuadEdge.makeEdge(a.dest(),b.orig());QuadEdge.splice(e,a.lNext());QuadEdge.splice(e.sym(),b);return e};jsts.triangulate.quadedge.QuadEdge.splice=function(a,b){var alpha,beta,t1,t2,t3,t4;alpha=a.oNext().rot;beta=b.oNext().rot;t1=b.oNext();t2=a.oNext();t3=beta.oNext();t4=alpha.oNext();a.setNext(t1);b.setNext(t2);alpha.setNext(t3);beta.setNext(t4)};jsts.triangulate.quadedge.QuadEdge.swap=function(e){var a,b;a=e.oPrev();b=e.sym().oPrev();QuadEdge.splice(e,a);QuadEdge.splice(e.sym(),b);QuadEdge.splice(e,a.lNext());QuadEdge.splice(e.sym(),b.lNext());e.setOrig(a.dest());e.setDest(b.dest())};jsts.triangulate.quadedge.QuadEdge.prototype.getPrimary=function(){if(this.orig().getCoordinate().compareTo(this.dest().getCoordinate())<=0){return this}else{return this.sym()}};jsts.triangulate.quadedge.QuadEdge.prototype.setData=function(data){this.data=data};jsts.triangulate.quadedge.QuadEdge.prototype.getData=function(){return this.data};jsts.triangulate.quadedge.QuadEdge.prototype.delete_jsts=function(){this.rot=null};jsts.triangulate.quadedge.QuadEdge.prototype.isLive=function(){return this.rot!==null};jsts.triangulate.quadedge.QuadEdge.prototype.setNext=function(next){this.next=next};jsts.triangulate.quadedge.QuadEdge.prototype.invRot=function(){return this.rot.sym()};jsts.triangulate.quadedge.QuadEdge.prototype.sym=function(){return this.rot.rot};jsts.triangulate.quadedge.QuadEdge.prototype.oNext=function(){return this.next};jsts.triangulate.quadedge.QuadEdge.prototype.oPrev=function(){return this.rot.next.rot};jsts.triangulate.quadedge.QuadEdge.prototype.dNext=function(){return this.sym().oNext().sym()};jsts.triangulate.quadedge.QuadEdge.prototype.dPrev=function(){return this.invRot().oNext().invRot()};jsts.triangulate.quadedge.QuadEdge.prototype.lNext=function(){return this.invRot().oNext().rot};jsts.triangulate.quadedge.QuadEdge.prototype.lPrev=function(){return this.next.sym()};jsts.triangulate.quadedge.QuadEdge.prototype.rNext=function(){return this.rot.next.invRot()};jsts.triangulate.quadedge.QuadEdge.prototype.rPrev=function(){return this.sym().oNext()};jsts.triangulate.quadedge.QuadEdge.prototype.setOrig=function(o){this.vertex=o};jsts.triangulate.quadedge.QuadEdge.prototype.setDest=function(d){this.sym().setOrig(d)};jsts.triangulate.quadedge.QuadEdge.prototype.orig=function(){return this.vertex};jsts.triangulate.quadedge.QuadEdge.prototype.dest=function(){return this.sym().orig()};jsts.triangulate.quadedge.QuadEdge.prototype.getLength=function(){return this.orig().getCoordinate().distance(dest().getCoordinate())};jsts.triangulate.quadedge.QuadEdge.prototype.equalsNonOriented=function(qe){if(this.equalsOriented(qe)){return true}if(this.equalsOriented(qe.sym())){return true}return false};jsts.triangulate.quadedge.QuadEdge.prototype.equalsOriented=function(qe){if(this.orig().getCoordinate().equals2D(qe.orig().getCoordinate())&&this.dest().getCoordinate().equals2D(qe.dest().getCoordinate())){return true}return false};jsts.triangulate.quadedge.QuadEdge.prototype.toLineSegment=function(){return new jsts.geom.LineSegment(this.vertex.getCoordinate(),this.dest().getCoordinate())};jsts.triangulate.quadedge.QuadEdge.prototype.toString=function(){var p0,p1;p0=this.vertex.getCoordinate();p1=this.dest().getCoordinate();return jsts.io.WKTWriter.toLineString(p0,p1)}})();(function(){var Assert=jsts.util.Assert;jsts.geomgraph.EdgeEnd=function(edge,p0,p1,label){this.edge=edge;if(p0&&p1){this.init(p0,p1)}if(label){this.label=label||null}};jsts.geomgraph.EdgeEnd.prototype.edge=null;jsts.geomgraph.EdgeEnd.prototype.label=null;jsts.geomgraph.EdgeEnd.prototype.node=null;jsts.geomgraph.EdgeEnd.prototype.p0=null;jsts.geomgraph.EdgeEnd.prototype.p1=null;jsts.geomgraph.EdgeEnd.prototype.dx=null;jsts.geomgraph.EdgeEnd.prototype.dy=null;jsts.geomgraph.EdgeEnd.prototype.quadrant=null;jsts.geomgraph.EdgeEnd.prototype.init=function(p0,p1){this.p0=p0;this.p1=p1;this.dx=p1.x-p0.x;this.dy=p1.y-p0.y;this.quadrant=jsts.geomgraph.Quadrant.quadrant(this.dx,this.dy);Assert.isTrue(!(this.dx===0&&this.dy===0),"EdgeEnd with identical endpoints found")};jsts.geomgraph.EdgeEnd.prototype.getEdge=function(){return this.edge};jsts.geomgraph.EdgeEnd.prototype.getLabel=function(){return this.label};jsts.geomgraph.EdgeEnd.prototype.getCoordinate=function(){return this.p0};jsts.geomgraph.EdgeEnd.prototype.getDirectedCoordinate=function(){return this.p1};jsts.geomgraph.EdgeEnd.prototype.getQuadrant=function(){return this.quadrant};jsts.geomgraph.EdgeEnd.prototype.getDx=function(){return this.dx};jsts.geomgraph.EdgeEnd.prototype.getDy=function(){return this.dy};jsts.geomgraph.EdgeEnd.prototype.setNode=function(node){this.node=node};jsts.geomgraph.EdgeEnd.prototype.getNode=function(){return this.node};jsts.geomgraph.EdgeEnd.prototype.compareTo=function(e){return this.compareDirection(e)};jsts.geomgraph.EdgeEnd.prototype.compareDirection=function(e){if(this.dx===e.dx&&this.dy===e.dy)return 0;if(this.quadrant>e.quadrant)return 1;if(this.quadrant<e.quadrant)return-1;return jsts.algorithm.CGAlgorithms.computeOrientation(e.p0,e.p1,this.p1)};jsts.geomgraph.EdgeEnd.prototype.computeLabel=function(boundaryNodeRule){}})();jsts.operation.buffer.RightmostEdgeFinder=function(){};jsts.operation.buffer.RightmostEdgeFinder.prototype.minIndex=-1;jsts.operation.buffer.RightmostEdgeFinder.prototype.minCoord=null;jsts.operation.buffer.RightmostEdgeFinder.prototype.minDe=null;jsts.operation.buffer.RightmostEdgeFinder.prototype.orientedDe=null;jsts.operation.buffer.RightmostEdgeFinder.prototype.getEdge=function(){return this.orientedDe};jsts.operation.buffer.RightmostEdgeFinder.prototype.getCoordinate=function(){return this.minCoord};jsts.operation.buffer.RightmostEdgeFinder.prototype.findEdge=function(dirEdgeList){for(var i=dirEdgeList.iterator();i.hasNext();){var de=i.next();if(!de.isForward())continue;this.checkForRightmostCoordinate(de)}jsts.util.Assert.isTrue(this.minIndex!==0||this.minCoord.equals(this.minDe.getCoordinate()),"inconsistency in rightmost processing");if(this.minIndex===0){this.findRightmostEdgeAtNode()}else{this.findRightmostEdgeAtVertex()}this.orientedDe=this.minDe;var rightmostSide=this.getRightmostSide(this.minDe,this.minIndex);if(rightmostSide==jsts.geomgraph.Position.LEFT){this.orientedDe=this.minDe.getSym()}};jsts.operation.buffer.RightmostEdgeFinder.prototype.findRightmostEdgeAtNode=function(){var node=this.minDe.getNode();var star=node.getEdges();this.minDe=star.getRightmostEdge();if(!this.minDe.isForward()){this.minDe=this.minDe.getSym();this.minIndex=this.minDe.getEdge().getCoordinates().length-1}};jsts.operation.buffer.RightmostEdgeFinder.prototype.findRightmostEdgeAtVertex=function(){var pts=this.minDe.getEdge().getCoordinates();jsts.util.Assert.isTrue(this.minIndex>0&&this.minIndex<pts.length,"rightmost point expected to be interior vertex of edge");var pPrev=pts[this.minIndex-1];var pNext=pts[this.minIndex+1];var orientation=jsts.algorithm.CGAlgorithms.computeOrientation(this.minCoord,pNext,pPrev);var usePrev=false;if(pPrev.y<this.minCoord.y&&pNext.y<this.minCoord.y&&orientation===jsts.algorithm.CGAlgorithms.COUNTERCLOCKWISE){usePrev=true}else if(pPrev.y>this.minCoord.y&&pNext.y>this.minCoord.y&&orientation===jsts.algorithm.CGAlgorithms.CLOCKWISE){usePrev=true}if(usePrev){this.minIndex=this.minIndex-1}};jsts.operation.buffer.RightmostEdgeFinder.prototype.checkForRightmostCoordinate=function(de){var coord=de.getEdge().getCoordinates();for(var i=0;i<coord.length-1;i++){if(this.minCoord===null||coord[i].x>this.minCoord.x){this.minDe=de;this.minIndex=i;this.minCoord=coord[i]}}};jsts.operation.buffer.RightmostEdgeFinder.prototype.getRightmostSide=function(de,index){var side=this.getRightmostSideOfSegment(de,index);if(side<0)side=this.getRightmostSideOfSegment(de,index-1);if(side<0){this.minCoord=null;this.checkForRightmostCoordinate(de)}return side};jsts.operation.buffer.RightmostEdgeFinder.prototype.getRightmostSideOfSegment=function(de,i){var e=de.getEdge();var coord=e.getCoordinates();if(i<0||i+1>=coord.length)return-1;if(coord[i].y==coord[i+1].y)return-1;var pos=jsts.geomgraph.Position.LEFT;if(coord[i].y<coord[i+1].y)pos=jsts.geomgraph.Position.RIGHT;return pos};(function(){jsts.triangulate.IncrementalDelaunayTriangulator=function(subdiv){this.subdiv=subdiv;this.isUsingTolerance=subdiv.getTolerance()>0};jsts.triangulate.IncrementalDelaunayTriangulator.prototype.insertSites=function(vertices){var i=0,il=vertices.length,v;for(i;i<il;i++){v=vertices[i];this.insertSite(v)}};jsts.triangulate.IncrementalDelaunayTriangulator.prototype.insertSite=function(v){var e,base,startEdge,t;e=this.subdiv.locate(v);if(this.subdiv.isVertexOfEdge(e,v)){return e}else if(this.subdiv.isOnEdge(e,v.getCoordinate())){e=e.oPrev();this.subdiv.delete_jsts(e.oNext())}base=this.subdiv.makeEdge(e.orig(),v);jsts.triangulate.quadedge.QuadEdge.splice(base,e);startEdge=base;do{base=this.subdiv.connect(e,base.sym());e=base.oPrev()}while(e.lNext()!=startEdge);do{t=e.oPrev();if(t.dest().rightOf(e)&&v.isInCircle(e.orig(),t.dest(),e.dest())){jsts.triangulate.quadedge.QuadEdge.swap(e);e=e.oPrev()}else if(e.oNext()==startEdge){return base}else{e=e.oNext().lPrev()}}while(true)}})();jsts.algorithm.CentroidArea=function(){this.basePt=null;this.triangleCent3=new jsts.geom.Coordinate;this.centSum=new jsts.geom.Coordinate;this.cg3=new jsts.geom.Coordinate};jsts.algorithm.CentroidArea.prototype.basePt=null;jsts.algorithm.CentroidArea.prototype.triangleCent3=null;jsts.algorithm.CentroidArea.prototype.areasum2=0;jsts.algorithm.CentroidArea.prototype.cg3=null;jsts.algorithm.CentroidArea.prototype.centSum=null;jsts.algorithm.CentroidArea.prototype.totalLength=0;jsts.algorithm.CentroidArea.prototype.add=function(geom){if(geom instanceof jsts.geom.Polygon){var poly=geom;this.setBasePoint(poly.getExteriorRing().getCoordinateN(0));this.add3(poly)}else if(geom instanceof jsts.geom.GeometryCollection||geom instanceof jsts.geom.MultiPolygon){var gc=geom;for(var i=0;i<gc.getNumGeometries();i++){this.add(gc.getGeometryN(i))}}else if(geom instanceof Array){this.add2(geom)}};jsts.algorithm.CentroidArea.prototype.add2=function(ring){this.setBasePoint(ring[0]);this.addShell(ring)};jsts.algorithm.CentroidArea.prototype.getCentroid=function(){var cent=new jsts.geom.Coordinate;if(Math.abs(this.areasum2)>0){cent.x=this.cg3.x/3/this.areasum2;cent.y=this.cg3.y/3/this.areasum2}else{cent.x=this.centSum.x/this.totalLength;cent.y=this.centSum.y/this.totalLength}return cent};jsts.algorithm.CentroidArea.prototype.setBasePoint=function(basePt){if(this.basePt==null)this.basePt=basePt};jsts.algorithm.CentroidArea.prototype.add3=function(poly){this.addShell(poly.getExteriorRing().getCoordinates());for(var i=0;i<poly.getNumInteriorRing();i++){this.addHole(poly.getInteriorRingN(i).getCoordinates())}};jsts.algorithm.CentroidArea.prototype.addShell=function(pts){var isPositiveArea=!jsts.algorithm.CGAlgorithms.isCCW(pts);for(var i=0;i<pts.length-1;i++){this.addTriangle(this.basePt,pts[i],pts[i+1],isPositiveArea)}this.addLinearSegments(pts)};jsts.algorithm.CentroidArea.prototype.addHole=function(pts){var isPositiveArea=jsts.algorithm.CGAlgorithms.isCCW(pts);for(var i=0;i<pts.length-1;i++){this.addTriangle(this.basePt,pts[i],pts[i+1],isPositiveArea)}this.addLinearSegments(pts)};jsts.algorithm.CentroidArea.prototype.addTriangle=function(p0,p1,p2,isPositiveArea){var sign=isPositiveArea?1:-1;jsts.algorithm.CentroidArea.centroid3(p0,p1,p2,this.triangleCent3);var area2=jsts.algorithm.CentroidArea.area2(p0,p1,p2);this.cg3.x+=sign*area2*this.triangleCent3.x;this.cg3.y+=sign*area2*this.triangleCent3.y;this.areasum2+=sign*area2};jsts.algorithm.CentroidArea.centroid3=function(p1,p2,p3,c){c.x=p1.x+p2.x+p3.x;c.y=p1.y+p2.y+p3.y;return};jsts.algorithm.CentroidArea.area2=function(p1,p2,p3){return(p2.x-p1.x)*(p3.y-p1.y)-(p3.x-p1.x)*(p2.y-p1.y)};jsts.algorithm.CentroidArea.prototype.addLinearSegments=function(pts){for(var i=0;i<pts.length-1;i++){var segmentLen=pts[i].distance(pts[i+1]);this.totalLength+=segmentLen;var midx=(pts[i].x+pts[i+1].x)/2;this.centSum.x+=segmentLen*midx;var midy=(pts[i].y+pts[i+1].y)/2;this.centSum.y+=segmentLen*midy}};jsts.geomgraph.index.SweepLineSegment=function(edge,ptIndex){this.edge=edge;this.ptIndex=ptIndex;this.pts=edge.getCoordinates()};jsts.geomgraph.index.SweepLineSegment.prototype.edge=null;jsts.geomgraph.index.SweepLineSegment.prototype.pts=null;jsts.geomgraph.index.SweepLineSegment.prototype.ptIndex=null;jsts.geomgraph.index.SweepLineSegment.prototype.getMinX=function(){var x1=this.pts[this.ptIndex].x;var x2=this.pts[this.ptIndex+1].x;if(x1<x2){return x1}return x2};jsts.geomgraph.index.SweepLineSegment.prototype.getMaxX=function(){var x1=this.pts[this.ptIndex].x;var x2=this.pts[this.ptIndex+1].x;if(x1>x2){return x1}return x2};jsts.geomgraph.index.SweepLineSegment.prototype.computeIntersections=function(ss,si){si.addIntersections(this.edge,this.ptIndex,ss.edge,ss.ptIndex)};jsts.index.quadtree.Root=function(){jsts.index.quadtree.NodeBase.prototype.constructor.apply(this,arguments);this.origin=new jsts.geom.Coordinate(0,0)};jsts.index.quadtree.Root.prototype=new jsts.index.quadtree.NodeBase;jsts.index.quadtree.Root.prototype.insert=function(itemEnv,item){var index=this.getSubnodeIndex(itemEnv,this.origin);if(index===-1){this.add(item);return}var node=this.subnode[index];if(node===null||!node.getEnvelope().contains(itemEnv)){var largerNode=jsts.index.quadtree.Node.createExpanded(node,itemEnv);this.subnode[index]=largerNode}this.insertContained(this.subnode[index],itemEnv,item)};jsts.index.quadtree.Root.prototype.insertContained=function(tree,itemEnv,item){var isZeroX,isZeroY,node;isZeroX=jsts.index.IntervalSize.isZeroWidth(itemEnv.getMinX(),itemEnv.getMaxX());isZeroY=jsts.index.IntervalSize.isZeroWidth(itemEnv.getMinY(),itemEnv.getMaxY());if(isZeroX||isZeroY){node=tree.find(itemEnv)}else{node=tree.getNode(itemEnv)}node.add(item)};jsts.index.quadtree.Root.prototype.isSearchMatch=function(searchEnv){return true};jsts.geomgraph.index.MonotoneChainIndexer=function(){};jsts.geomgraph.index.MonotoneChainIndexer.toIntArray=function(list){var array=[];for(var i=list.iterator();i.hasNext();){var element=i.next();array.push(element)}return array};jsts.geomgraph.index.MonotoneChainIndexer.prototype.getChainStartIndices=function(pts){var start=0;var startIndexList=new javascript.util.ArrayList;startIndexList.add(start);do{var last=this.findChainEnd(pts,start);startIndexList.add(last);start=last}while(start<pts.length-1);var startIndex=jsts.geomgraph.index.MonotoneChainIndexer.toIntArray(startIndexList);return startIndex};jsts.geomgraph.index.MonotoneChainIndexer.prototype.findChainEnd=function(pts,start){var chainQuad=jsts.geomgraph.Quadrant.quadrant(pts[start],pts[start+1]);var last=start+1;while(last<pts.length){var quad=jsts.geomgraph.Quadrant.quadrant(pts[last-1],pts[last]);if(quad!=chainQuad){break}last++}return last-1};jsts.noding.IntersectionAdder=function(li){this.li=li};jsts.noding.IntersectionAdder.prototype=new jsts.noding.SegmentIntersector;jsts.noding.IntersectionAdder.constructor=jsts.noding.IntersectionAdder;jsts.noding.IntersectionAdder.isAdjacentSegments=function(i1,i2){return Math.abs(i1-i2)===1};jsts.noding.IntersectionAdder.prototype._hasIntersection=false;jsts.noding.IntersectionAdder.prototype.hasProper=false;jsts.noding.IntersectionAdder.prototype.hasProperInterior=false;jsts.noding.IntersectionAdder.prototype.hasInterior=false;jsts.noding.IntersectionAdder.prototype.properIntersectionPoint=null;jsts.noding.IntersectionAdder.prototype.li=null;jsts.noding.IntersectionAdder.prototype.isSelfIntersection=null;jsts.noding.IntersectionAdder.prototype.numIntersections=0;jsts.noding.IntersectionAdder.prototype.numInteriorIntersections=0;jsts.noding.IntersectionAdder.prototype.numProperIntersections=0;jsts.noding.IntersectionAdder.prototype.numTests=0;jsts.noding.IntersectionAdder.prototype.getLineIntersector=function(){return this.li};jsts.noding.IntersectionAdder.prototype.getProperIntersectionPoint=function(){return this.properIntersectionPoint};jsts.noding.IntersectionAdder.prototype.hasIntersection=function(){return this._hasIntersection};jsts.noding.IntersectionAdder.prototype.hasProperIntersection=function(){return this.hasProper};jsts.noding.IntersectionAdder.prototype.hasProperInteriorIntersection=function(){return this.hasProperInterior};jsts.noding.IntersectionAdder.prototype.hasInteriorIntersection=function(){return this.hasInterior};jsts.noding.IntersectionAdder.prototype.isTrivialIntersection=function(e0,segIndex0,e1,segIndex1){if(e0==e1){if(this.li.getIntersectionNum()==1){if(jsts.noding.IntersectionAdder.isAdjacentSegments(segIndex0,segIndex1))return true;if(e0.isClosed()){var maxSegIndex=e0.size()-1;if(segIndex0===0&&segIndex1===maxSegIndex||segIndex1===0&&segIndex0===maxSegIndex){return true}}}}return false};jsts.noding.IntersectionAdder.prototype.processIntersections=function(e0,segIndex0,e1,segIndex1){if(e0===e1&&segIndex0===segIndex1)return;this.numTests++;var p00=e0.getCoordinates()[segIndex0];var p01=e0.getCoordinates()[segIndex0+1];var p10=e1.getCoordinates()[segIndex1];var p11=e1.getCoordinates()[segIndex1+1];this.li.computeIntersection(p00,p01,p10,p11);if(this.li.hasIntersection()){this.numIntersections++;if(this.li.isInteriorIntersection()){this.numInteriorIntersections++;this.hasInterior=true}if(!this.isTrivialIntersection(e0,segIndex0,e1,segIndex1)){this._hasIntersection=true;e0.addIntersections(this.li,segIndex0,0);e1.addIntersections(this.li,segIndex1,1);if(this.li.isProper()){this.numProperIntersections++;this.hasProper=true;this.hasProperInterior=true}}}};jsts.noding.IntersectionAdder.prototype.isDone=function(){return false};jsts.operation.union.CascadedPolygonUnion=function(polys){this.inputPolys=polys};jsts.operation.union.CascadedPolygonUnion.union=function(polys){var op=new jsts.operation.union.CascadedPolygonUnion(polys);return op.union()};jsts.operation.union.CascadedPolygonUnion.prototype.inputPolys;jsts.operation.union.CascadedPolygonUnion.prototype.geomFactory=null;jsts.operation.union.CascadedPolygonUnion.prototype.STRTREE_NODE_CAPACITY=4;jsts.operation.union.CascadedPolygonUnion.prototype.union=function(){if(this.inputPolys.length===0){return null}this.geomFactory=this.inputPolys[0].getFactory();var index=new jsts.index.strtree.STRtree(this.STRTREE_NODE_CAPACITY);for(var i=0,l=this.inputPolys.length;i<l;i++){var item=this.inputPolys[i];index.insert(item.getEnvelopeInternal(),item)}var itemTree=index.itemsTree();var unionAll=this.unionTree(itemTree);return unionAll};jsts.operation.union.CascadedPolygonUnion.prototype.unionTree=function(geomTree){var geoms=this.reduceToGeometries(geomTree);var union=this.binaryUnion(geoms);return union};jsts.operation.union.CascadedPolygonUnion.prototype.binaryUnion=function(geoms,start,end){start=start||0;end=end||geoms.length;if(end-start<=1){var g0=this.getGeometry(geoms,start);return this.unionSafe(g0,null)}else if(end-start===2){return this.unionSafe(this.getGeometry(geoms,start),this.getGeometry(geoms,start+1))}else{var mid=parseInt((end+start)/2);var g0=this.binaryUnion(geoms,start,mid);var g1=this.binaryUnion(geoms,mid,end);return this.unionSafe(g0,g1)}};jsts.operation.union.CascadedPolygonUnion.prototype.getGeometry=function(list,index){if(index>=list.length){return null}return list[index]};jsts.operation.union.CascadedPolygonUnion.prototype.reduceToGeometries=function(geomTree){var geoms=[];for(var i=0,l=geomTree.length;i<l;i++){var o=geomTree[i],geom=null;if(o instanceof Array){geom=this.unionTree(o)}else if(o instanceof jsts.geom.Geometry){geom=o}geoms.push(geom)}return geoms};jsts.operation.union.CascadedPolygonUnion.prototype.unionSafe=function(g0,g1){if(g0===null&&g1===null){return null}if(g0===null){return g1.clone()}if(g1===null){return g0.clone()}return this.unionOptimized(g0,g1)};jsts.operation.union.CascadedPolygonUnion.prototype.unionOptimized=function(g0,g1){var g0Env=g0.getEnvelopeInternal(),g1Env=g1.getEnvelopeInternal();if(!g0Env.intersects(g1Env)){var combo=jsts.geom.util.GeometryCombiner.combine(g0,g1);return combo}if(g0.getNumGeometries<=1&&g1.getNumGeometries<=1){return this.unionActual(g0,g1)}var commonEnv=g0Env.intersection(g1Env);return this.unionUsingEnvelopeIntersection(g0,g1,commonEnv)};jsts.operation.union.CascadedPolygonUnion.prototype.unionUsingEnvelopeIntersection=function(g0,g1,common){var disjointPolys=new javascript.util.ArrayList;var g0Int=this.extractByEnvelope(common,g0,disjointPolys);var g1Int=this.extractByEnvelope(common,g1,disjointPolys);var union=this.unionActual(g0Int,g1Int);disjointPolys.add(union);var overallUnion=jsts.geom.util.GeometryCombiner.combine(disjointPolys);return overallUnion};jsts.operation.union.CascadedPolygonUnion.prototype.extractByEnvelope=function(env,geom,disjointGeoms){var intersectingGeoms=new javascript.util.ArrayList;for(var i=0;i<geom.getNumGeometries();i++){var elem=geom.getGeometryN(i);if(elem.getEnvelopeInternal().intersects(env)){intersectingGeoms.add(elem)}else{disjointGeoms.add(elem)}}return this.geomFactory.buildGeometry(intersectingGeoms)};jsts.operation.union.CascadedPolygonUnion.prototype.unionActual=function(g0,g1){return g0.union(g1)};(function(){jsts.geom.MultiPoint=function(points,factory){this.geometries=points||[];this.factory=factory};jsts.geom.MultiPoint.prototype=new jsts.geom.GeometryCollection;jsts.geom.MultiPoint.constructor=jsts.geom.MultiPoint;jsts.geom.MultiPoint.prototype.getBoundary=function(){return this.getFactory().createGeometryCollection(null)};jsts.geom.MultiPoint.prototype.getGeometryN=function(n){return this.geometries[n]};jsts.geom.MultiPoint.prototype.equalsExact=function(other,tolerance){if(!this.isEquivalentClass(other)){return false}return jsts.geom.GeometryCollection.prototype.equalsExact.call(this,other,tolerance)};jsts.geom.MultiPoint.prototype.CLASS_NAME="jsts.geom.MultiPoint"})();jsts.operation.buffer.OffsetCurveBuilder=function(precisionModel,bufParams){this.precisionModel=precisionModel;this.bufParams=bufParams};jsts.operation.buffer.OffsetCurveBuilder.prototype.distance=0;jsts.operation.buffer.OffsetCurveBuilder.prototype.precisionModel=null;jsts.operation.buffer.OffsetCurveBuilder.prototype.bufParams=null;jsts.operation.buffer.OffsetCurveBuilder.prototype.getBufferParameters=function(){return this.bufParams};jsts.operation.buffer.OffsetCurveBuilder.prototype.getLineCurve=function(inputPts,distance){this.distance=distance;if(this.distance<0&&!this.bufParams.isSingleSided())return null;if(this.distance==0)return null;var posDistance=Math.abs(this.distance);var segGen=this.getSegGen(posDistance);if(inputPts.length<=1){this.computePointCurve(inputPts[0],segGen)
}else{if(this.bufParams.isSingleSided()){var isRightSide=distance<0;this.computeSingleSidedBufferCurve(inputPts,isRightSide,segGen)}else this.computeLineBufferCurve(inputPts,segGen)}var lineCoord=segGen.getCoordinates();return lineCoord};jsts.operation.buffer.OffsetCurveBuilder.prototype.getRingCurve=function(inputPts,side,distance){this.distance=distance;if(inputPts.length<=2)return this.getLineCurve(inputPts,distance);if(this.distance==0){return jsts.operation.buffer.OffsetCurveBuilder.copyCoordinates(inputPts)}var segGen=this.getSegGen(this.distance);this.computeRingBufferCurve(inputPts,side,segGen);return segGen.getCoordinates()};jsts.operation.buffer.OffsetCurveBuilder.prototype.getOffsetCurve=function(inputPts,distance){this.distance=distance;if(this.distance===0)return null;var isRightSide=this.distance<0;var posDistance=Math.abs(this.distance);var segGen=this.getSegGen(posDistance);if(inputPts.length<=1){this.computePointCurve(inputPts[0],segGen)}else{this.computeOffsetCurve(inputPts,isRightSide,segGen)}var curvePts=segGen.getCoordinates();if(isRightSide)curvePts.reverse();return curvePts};jsts.operation.buffer.OffsetCurveBuilder.copyCoordinates=function(pts){var copy=[];for(var i=0;i<pts.length;i++){copy.push(pts[i].clone())}return copy};jsts.operation.buffer.OffsetCurveBuilder.prototype.getSegGen=function(distance){return new jsts.operation.buffer.OffsetSegmentGenerator(this.precisionModel,this.bufParams,distance)};jsts.operation.buffer.OffsetCurveBuilder.SIMPLIFY_FACTOR=100;jsts.operation.buffer.OffsetCurveBuilder.simplifyTolerance=function(bufDistance){return bufDistance/jsts.operation.buffer.OffsetCurveBuilder.SIMPLIFY_FACTOR};jsts.operation.buffer.OffsetCurveBuilder.prototype.computePointCurve=function(pt,segGen){switch(this.bufParams.getEndCapStyle()){case jsts.operation.buffer.BufferParameters.CAP_ROUND:segGen.createCircle(pt);break;case jsts.operation.buffer.BufferParameters.CAP_SQUARE:segGen.createSquare(pt);break}};jsts.operation.buffer.OffsetCurveBuilder.prototype.computeLineBufferCurve=function(inputPts,segGen){var distTol=jsts.operation.buffer.OffsetCurveBuilder.simplifyTolerance(this.distance);var simp1=jsts.operation.buffer.BufferInputLineSimplifier.simplify(inputPts,distTol);var n1=simp1.length-1;segGen.initSideSegments(simp1[0],simp1[1],jsts.geomgraph.Position.LEFT);for(var i=2;i<=n1;i++){segGen.addNextSegment(simp1[i],true)}segGen.addLastSegment();segGen.addLineEndCap(simp1[n1-1],simp1[n1]);var simp2=jsts.operation.buffer.BufferInputLineSimplifier.simplify(inputPts,-distTol);var n2=simp2.length-1;segGen.initSideSegments(simp2[n2],simp2[n2-1],jsts.geomgraph.Position.LEFT);for(var i=n2-2;i>=0;i--){segGen.addNextSegment(simp2[i],true)}segGen.addLastSegment();segGen.addLineEndCap(simp2[1],simp2[0]);segGen.closeRing()};jsts.operation.buffer.OffsetCurveBuilder.prototype.computeSingleSidedBufferCurve=function(inputPts,isRightSide,segGen){var distTol=jsts.operation.buffer.OffsetCurveBuilder.simplifyTolerance(this.distance);if(isRightSide){segGen.addSegments(inputPts,true);var simp2=jsts.operation.buffer.BufferInputLineSimplifier.simplify(inputPts,-distTol);var n2=simp2.length-1;segGen.initSideSegments(simp2[n2],simp2[n2-1],jsts.geomgraph.Position.LEFT);segGen.addFirstSegment();for(var i=n2-2;i>=0;i--){segGen.addNextSegment(simp2[i],true)}}else{segGen.addSegments(inputPts,false);var simp1=jsts.operation.buffer.BufferInputLineSimplifier.simplify(inputPts,distTol);var n1=simp1.length-1;segGen.initSideSegments(simp1[0],simp1[1],jsts.geomgraph.Position.LEFT);segGen.addFirstSegment();for(var i=2;i<=n1;i++){segGen.addNextSegment(simp1[i],true)}}segGen.addLastSegment();segGen.closeRing()};jsts.operation.buffer.OffsetCurveBuilder.prototype.computeOffsetCurve=function(inputPts,isRightSide,segGen){var distTol=jsts.operation.buffer.OffsetCurveBuilder.simplifyTolerance(this.distance);if(isRightSide){var simp2=jsts.operation.buffer.BufferInputLineSimplifier.simplify(inputPts,-distTol);var n2=simp2.length-1;segGen.initSideSegments(simp2[n2],simp2[n2-1],jsts.geomgraph.Position.LEFT);segGen.addFirstSegment();for(var i=n2-2;i>=0;i--){segGen.addNextSegment(simp2[i],true)}}else{var simp1=jsts.operation.buffer.BufferInputLineSimplifier.simplify(inputPts,distTol);var n1=simp1.length-1;segGen.initSideSegments(simp1[0],simp1[1],jsts.geomgraph.Position.LEFT);segGen.addFirstSegment();for(var i=2;i<=n1;i++){segGen.addNextSegment(simp1[i],true)}}segGen.addLastSegment()};jsts.operation.buffer.OffsetCurveBuilder.prototype.computeRingBufferCurve=function(inputPts,side,segGen){var distTol=jsts.operation.buffer.OffsetCurveBuilder.simplifyTolerance(this.distance);if(side===jsts.geomgraph.Position.RIGHT)distTol=-distTol;var simp=jsts.operation.buffer.BufferInputLineSimplifier.simplify(inputPts,distTol);var n=simp.length-1;segGen.initSideSegments(simp[n-1],simp[0],side);for(var i=1;i<=n;i++){var addStartPoint=i!==1;segGen.addNextSegment(simp[i],addStartPoint)}segGen.closeRing()};(function(){var HotPixelSnapAction=function(hotPixel,parentEdge,vertexIndex){this.hotPixel=hotPixel;this.parentEdge=parentEdge;this.vertexIndex=vertexIndex};HotPixelSnapAction.prototype=new jsts.index.chain.MonotoneChainSelectAction;HotPixelSnapAction.constructor=HotPixelSnapAction;HotPixelSnapAction.prototype.hotPixel=null;HotPixelSnapAction.prototype.parentEdge=null;HotPixelSnapAction.prototype.vertexIndex=null;HotPixelSnapAction.prototype._isNodeAdded=false;HotPixelSnapAction.prototype.isNodeAdded=function(){return this._isNodeAdded};HotPixelSnapAction.prototype.select=function(mc,startIndex){var ss=mc.getContext();if(this.parentEdge!==null){if(ss===this.parentEdge&&startIndex===this.vertexIndex)return}this._isNodeAdded=this.hotPixel.addSnappedNode(ss,startIndex)};jsts.noding.snapround.MCIndexPointSnapper=function(index){this.index=index};jsts.noding.snapround.MCIndexPointSnapper.prototype.index=null;jsts.noding.snapround.MCIndexPointSnapper.prototype.snap=function(hotPixel,parentEdge,vertexIndex){if(arguments.length===1){this.snap2.apply(this,arguments);return}var pixelEnv=hotPixel.getSafeEnvelope();var hotPixelSnapAction=new HotPixelSnapAction(hotPixel,parentEdge,vertexIndex);this.index.query(pixelEnv,{visitItem:function(testChain){testChain.select(pixelEnv,hotPixelSnapAction)}});return hotPixelSnapAction.isNodeAdded()};jsts.noding.snapround.MCIndexPointSnapper.prototype.snap2=function(hotPixel){return this.snap(hotPixel,null,-1)}})();(function(){var NodeBase=function(){this.items=new javascript.util.ArrayList;this.subnode=[null,null]};NodeBase.getSubnodeIndex=function(interval,centre){var subnodeIndex=-1;if(interval.min>=centre){subnodeIndex=1}if(interval.max<=centre){subnodeIndex=0}return subnodeIndex};NodeBase.prototype.getItems=function(){return this.items};NodeBase.prototype.add=function(item){this.items.add(item)};NodeBase.prototype.addAllItems=function(items){items.addAll(this.items);var i=0,il=2;for(i;i<il;i++){if(this.subnode[i]!==null){this.subnode[i].addAllItems(items)}}return items};NodeBase.prototype.addAllItemsFromOverlapping=function(interval,resultItems){if(interval!==null&&!this.isSearchMatch(interval)){return}resultItems.addAll(this.items);if(this.subnode[0]!==null){this.subnode[0].addAllItemsFromOverlapping(interval,resultItems)}if(this.subnode[1]!==null){this.subnode[1].addAllItemsFromOverlapping(interval,resultItems)}};NodeBase.prototype.remove=function(itemInterval,item){if(!this.isSearchMatch(itemInterval)){return false}var found=false,i=0,il=2;for(i;i<il;i++){if(this.subnode[i]!==null){found=this.subnode[i].remove(itemInterval,item);if(found){if(this.subnode[i].isPrunable()){this.subnode[i]=null}break}}}if(found){return found}found=this.items.remove(item);return found};NodeBase.prototype.isPrunable=function(){return!(this.hasChildren()||this.hasItems())};NodeBase.prototype.hasChildren=function(){var i=0,il=2;for(i;i<il;i++){if(this.subnode[i]!==null){return true}}return false};NodeBase.prototype.hasItems=function(){return!this.items.isEmpty()};NodeBase.prototype.depth=function(){var maxSubDepth=0,i=0,il=2,sqd;for(i;i<il;i++){if(this.subnode[i]!==null){sqd=this.subnode[i].depth();if(sqd>maxSubDepth){maxSubDepth=sqd}}}return maxSubDepth+1};NodeBase.prototype.size=function(){var subSize=0,i=0,il=2;for(i;i<il;i++){if(this.subnode[i]!==null){subSize+=this.subnode[i].size()}}return subSize+this.items.size()};NodeBase.prototype.nodeSize=function(){var subSize=0,i=0,il=2;for(i;i<il;i++){if(this.subnode[i]!==null){subSize+=this.subnode[i].nodeSize()}}return subSize+1};jsts.index.bintree.NodeBase=NodeBase})();(function(){var NodeBase=jsts.index.bintree.NodeBase;var Key=jsts.index.bintree.Key;var Interval=jsts.index.bintree.Interval;var Node=function(interval,level){this.items=new javascript.util.ArrayList;this.subnode=[null,null];this.interval=interval;this.level=level;this.centre=(interval.getMin()+interval.getMax())/2};Node.prototype=new NodeBase;Node.constructor=Node;Node.createNode=function(itemInterval){var key,node;key=new Key(itemInterval);node=new Node(key.getInterval(),key.getLevel());return node};Node.createExpanded=function(node,addInterval){var expandInt,largerNode;expandInt=new Interval(addInterval);if(node!==null){expandInt.expandToInclude(node.interval)}largerNode=Node.createNode(expandInt);if(node!==null){largerNode.insert(node)}return largerNode};Node.prototype.getInterval=function(){return this.interval};Node.prototype.isSearchMatch=function(itemInterval){return itemInterval.overlaps(this.interval)};Node.prototype.getNode=function(searchInterval){var subnodeIndex=NodeBase.getSubnodeIndex(searchInterval,this.centre),node;if(subnodeIndex!=-1){node=this.getSubnode(subnodeIndex);return node.getNode(searchInterval)}else{return this}};Node.prototype.find=function(searchInterval){var subnodeIndex=NodeBase.getSubnodeIndex(searchInterval,this.centre),node;if(subnodeIndex===-1){return this}if(this.subnode[subnodeIndex]!==null){node=this.subnode[subnodeIndex];return node.find(searchInterval)}return this};Node.prototype.insert=function(node){var index=NodeBase.getSubnodeIndex(node.interval,this.centre),childNode;if(node.level===this.level-1){this.subnode[index]=node}else{childNode=this.createSubnode(index);childNode.insert(node);this.subnode[index]=childNode}};Node.prototype.getSubnode=function(index){if(this.subnode[index]===null){this.subnode[index]=this.createSubnode(index)}return this.subnode[index]};Node.prototype.createSubnode=function(index){var min,max,subInt,node;min=0;max=0;switch(index){case 0:min=this.interval.getMin();max=this.centre;break;case 1:min=this.centre;max=this.interval.getMax();break}subInt=new Interval(min,max);node=new Node(subInt,this.level-1);return node};jsts.index.bintree.Node=Node})();(function(){var Node=jsts.index.bintree.Node;var NodeBase=jsts.index.bintree.NodeBase;var Root=function(){this.subnode=[null,null];this.items=new javascript.util.ArrayList};Root.prototype=new jsts.index.bintree.NodeBase;Root.constructor=Root;Root.origin=0;Root.prototype.insert=function(itemInterval,item){var index=NodeBase.getSubnodeIndex(itemInterval,Root.origin),node,largerNode;if(index===-1){this.add(item);return}node=this.subnode[index];if(node===null||!node.getInterval().contains(itemInterval)){largerNode=Node.createExpanded(node,itemInterval);this.subnode[index]=largerNode}this.insertContained(this.subnode[index],itemInterval,item)};Root.prototype.insertContained=function(tree,itemInterval,item){var isZeroArea,node;isZeroArea=jsts.index.IntervalSize.isZeroWidth(itemInterval.getMin(),itemInterval.getMax());node=isZeroArea?tree.find(itemInterval):tree.getNode(itemInterval);node.add(item)};Root.prototype.isSearchMatch=function(interval){return true};jsts.index.bintree.Root=Root})();jsts.geomgraph.Quadrant=function(){};jsts.geomgraph.Quadrant.NE=0;jsts.geomgraph.Quadrant.NW=1;jsts.geomgraph.Quadrant.SW=2;jsts.geomgraph.Quadrant.SE=3;jsts.geomgraph.Quadrant.quadrant=function(dx,dy){if(dx instanceof jsts.geom.Coordinate){return jsts.geomgraph.Quadrant.quadrant2.apply(this,arguments)}if(dx===0&&dy===0)throw new jsts.error.IllegalArgumentError("Cannot compute the quadrant for point ( "+dx+", "+dy+" )");if(dx>=0){if(dy>=0)return jsts.geomgraph.Quadrant.NE;else return jsts.geomgraph.Quadrant.SE}else{if(dy>=0)return jsts.geomgraph.Quadrant.NW;else return jsts.geomgraph.Quadrant.SW}};jsts.geomgraph.Quadrant.quadrant2=function(p0,p1){if(p1.x===p0.x&&p1.y===p0.y)throw new jsts.error.IllegalArgumentError("Cannot compute the quadrant for two identical points "+p0);if(p1.x>=p0.x){if(p1.y>=p0.y)return jsts.geomgraph.Quadrant.NE;else return jsts.geomgraph.Quadrant.SE}else{if(p1.y>=p0.y)return jsts.geomgraph.Quadrant.NW;else return jsts.geomgraph.Quadrant.SW}};jsts.geomgraph.Quadrant.isOpposite=function(quad1,quad2){if(quad1===quad2)return false;var diff=(quad1-quad2+4)%4;if(diff===2)return true;return false};jsts.geomgraph.Quadrant.commonHalfPlane=function(quad1,quad2){if(quad1===quad2)return quad1;var diff=(quad1-quad2+4)%4;if(diff===2)return-1;var min=quad1<quad2?quad1:quad2;var max=quad1>quad2?quad1:quad2;if(min===0&&max===3)return 3;return min};jsts.geomgraph.Quadrant.isInHalfPlane=function(quad,halfPlane){if(halfPlane===jsts.geomgraph.Quadrant.SE){return quad===jsts.geomgraph.Quadrant.SE||quad===jsts.geomgraph.Quadrant.SW}return quad===halfPlane||quad===halfPlane+1};jsts.geomgraph.Quadrant.isNorthern=function(quad){return quad===jsts.geomgraph.Quadrant.NE||quad===jsts.geomgraph.Quadrant.NW};jsts.operation.valid.ConsistentAreaTester=function(geomGraph){this.geomGraph=geomGraph;this.li=new jsts.algorithm.RobustLineIntersector;this.nodeGraph=new jsts.operation.relate.RelateNodeGraph;this.invalidPoint=null};jsts.operation.valid.ConsistentAreaTester.prototype.getInvalidPoint=function(){return this.invalidPoint};jsts.operation.valid.ConsistentAreaTester.prototype.isNodeConsistentArea=function(){var intersector=this.geomGraph.computeSelfNodes(this.li,true);if(intersector.hasProperIntersection()){this.invalidPoint=intersector.getProperIntersectionPoint();return false}this.nodeGraph.build(this.geomGraph);return this.isNodeEdgeAreaLabelsConsistent()};jsts.operation.valid.ConsistentAreaTester.prototype.isNodeEdgeAreaLabelsConsistent=function(){for(var nodeIt=this.nodeGraph.getNodeIterator();nodeIt.hasNext();){var node=nodeIt.next();if(!node.getEdges().isAreaLabelsConsistent(this.geomGraph)){this.invalidPoint=node.getCoordinate().clone();return false}}return true};jsts.operation.valid.ConsistentAreaTester.prototype.hasDuplicateRings=function(){for(var nodeIt=this.nodeGraph.getNodeIterator();nodeIt.hasNext();){var node=nodeIt.next();for(var i=node.getEdges().iterator();i.hasNext();){var eeb=i.next();if(eeb.getEdgeEnds().length>1){invalidPoint=eeb.getEdge().getCoordinate(0);return true}}}return false};jsts.operation.relate.RelateNode=function(coord,edges){jsts.geomgraph.Node.apply(this,arguments)};jsts.operation.relate.RelateNode.prototype=new jsts.geomgraph.Node;jsts.operation.relate.RelateNode.prototype.computeIM=function(im){im.setAtLeastIfValid(this.label.getLocation(0),this.label.getLocation(1),0)};jsts.operation.relate.RelateNode.prototype.updateIMFromEdges=function(im){this.edges.updateIM(im)};(function(){var Location=jsts.geom.Location;var Position=jsts.geomgraph.Position;var EdgeEnd=jsts.geomgraph.EdgeEnd;jsts.geomgraph.DirectedEdge=function(edge,isForward){EdgeEnd.call(this,edge);this.depth=[0,-999,-999];this._isForward=isForward;if(isForward){this.init(edge.getCoordinate(0),edge.getCoordinate(1))}else{var n=edge.getNumPoints()-1;this.init(edge.getCoordinate(n),edge.getCoordinate(n-1))}this.computeDirectedLabel()};jsts.geomgraph.DirectedEdge.prototype=new EdgeEnd;jsts.geomgraph.DirectedEdge.constructor=jsts.geomgraph.DirectedEdge;jsts.geomgraph.DirectedEdge.depthFactor=function(currLocation,nextLocation){if(currLocation===Location.EXTERIOR&&nextLocation===Location.INTERIOR)return 1;else if(currLocation===Location.INTERIOR&&nextLocation===Location.EXTERIOR)return-1;return 0};jsts.geomgraph.DirectedEdge.prototype._isForward=null;jsts.geomgraph.DirectedEdge.prototype._isInResult=false;jsts.geomgraph.DirectedEdge.prototype._isVisited=false;jsts.geomgraph.DirectedEdge.prototype.sym=null;jsts.geomgraph.DirectedEdge.prototype.next=null;jsts.geomgraph.DirectedEdge.prototype.nextMin=null;jsts.geomgraph.DirectedEdge.prototype.edgeRing=null;jsts.geomgraph.DirectedEdge.prototype.minEdgeRing=null;jsts.geomgraph.DirectedEdge.prototype.depth=null;jsts.geomgraph.DirectedEdge.prototype.getEdge=function(){return this.edge};jsts.geomgraph.DirectedEdge.prototype.setInResult=function(isInResult){this._isInResult=isInResult};jsts.geomgraph.DirectedEdge.prototype.isInResult=function(){return this._isInResult};jsts.geomgraph.DirectedEdge.prototype.isVisited=function(){return this._isVisited};jsts.geomgraph.DirectedEdge.prototype.setVisited=function(isVisited){this._isVisited=isVisited};jsts.geomgraph.DirectedEdge.prototype.setEdgeRing=function(edgeRing){this.edgeRing=edgeRing};jsts.geomgraph.DirectedEdge.prototype.getEdgeRing=function(){return this.edgeRing};jsts.geomgraph.DirectedEdge.prototype.setMinEdgeRing=function(minEdgeRing){this.minEdgeRing=minEdgeRing};jsts.geomgraph.DirectedEdge.prototype.getMinEdgeRing=function(){return this.minEdgeRing};jsts.geomgraph.DirectedEdge.prototype.getDepth=function(position){return this.depth[position]};jsts.geomgraph.DirectedEdge.prototype.setDepth=function(position,depthVal){if(this.depth[position]!==-999){if(this.depth[position]!==depthVal)throw new jsts.error.TopologyError("assigned depths do not match",this.getCoordinate())}this.depth[position]=depthVal};jsts.geomgraph.DirectedEdge.prototype.getDepthDelta=function(){var depthDelta=this.edge.getDepthDelta();if(!this._isForward)depthDelta=-depthDelta;return depthDelta};jsts.geomgraph.DirectedEdge.prototype.setVisitedEdge=function(isVisited){this.setVisited(isVisited);this.sym.setVisited(isVisited)};jsts.geomgraph.DirectedEdge.prototype.getSym=function(){return this.sym};jsts.geomgraph.DirectedEdge.prototype.isForward=function(){return this._isForward};jsts.geomgraph.DirectedEdge.prototype.setSym=function(de){this.sym=de};jsts.geomgraph.DirectedEdge.prototype.getNext=function(){return this.next};jsts.geomgraph.DirectedEdge.prototype.setNext=function(next){this.next=next};jsts.geomgraph.DirectedEdge.prototype.getNextMin=function(){return this.nextMin};jsts.geomgraph.DirectedEdge.prototype.setNextMin=function(nextMin){this.nextMin=nextMin};jsts.geomgraph.DirectedEdge.prototype.isLineEdge=function(){var isLine=this.label.isLine(0)||this.label.isLine(1);var isExteriorIfArea0=!this.label.isArea(0)||this.label.allPositionsEqual(0,Location.EXTERIOR);var isExteriorIfArea1=!this.label.isArea(1)||this.label.allPositionsEqual(1,Location.EXTERIOR);return isLine&&isExteriorIfArea0&&isExteriorIfArea1};jsts.geomgraph.DirectedEdge.prototype.isInteriorAreaEdge=function(){var isInteriorAreaEdge=true;for(var i=0;i<2;i++){if(!(this.label.isArea(i)&&this.label.getLocation(i,Position.LEFT)===Location.INTERIOR&&this.label.getLocation(i,Position.RIGHT)===Location.INTERIOR)){isInteriorAreaEdge=false}}return isInteriorAreaEdge};jsts.geomgraph.DirectedEdge.prototype.computeDirectedLabel=function(){this.label=new jsts.geomgraph.Label(this.edge.getLabel());if(!this._isForward)this.label.flip()};jsts.geomgraph.DirectedEdge.prototype.setEdgeDepths=function(position,depth){var depthDelta=this.getEdge().getDepthDelta();if(!this._isForward)depthDelta=-depthDelta;var directionFactor=1;if(position===Position.LEFT)directionFactor=-1;var oppositePos=Position.opposite(position);var delta=depthDelta*directionFactor;var oppositeDepth=depth+delta;this.setDepth(position,depth);this.setDepth(oppositePos,oppositeDepth)}})();jsts.operation.distance.DistanceOp=function(g0,g1,terminateDistance){this.ptLocator=new jsts.algorithm.PointLocator;this.geom=[];this.geom[0]=g0;this.geom[1]=g1;this.terminateDistance=terminateDistance};jsts.operation.distance.DistanceOp.prototype.geom=null;jsts.operation.distance.DistanceOp.prototype.terminateDistance=0;jsts.operation.distance.DistanceOp.prototype.ptLocator=null;jsts.operation.distance.DistanceOp.prototype.minDistanceLocation=null;jsts.operation.distance.DistanceOp.prototype.minDistance=Number.MAX_VALUE;jsts.operation.distance.DistanceOp.distance=function(g0,g1){var distOp=new jsts.operation.distance.DistanceOp(g0,g1,0);return distOp.distance()};jsts.operation.distance.DistanceOp.isWithinDistance=function(g0,g1,distance){var distOp=new jsts.operation.distance.DistanceOp(g0,g1,distance);return distOp.distance()<=distance};jsts.operation.distance.DistanceOp.nearestPoints=function(g0,g1){var distOp=new jsts.operation.distance.DistanceOp(g0,g1,0);return distOp.nearestPoints()};jsts.operation.distance.DistanceOp.prototype.distance=function(){if(this.geom[0]===null||this.geom[1]===null)throw new jsts.error.IllegalArgumentError("null geometries are not supported");if(this.geom[0].isEmpty()||this.geom[1].isEmpty())return 0;this.computeMinDistance();return this.minDistance};jsts.operation.distance.DistanceOp.prototype.nearestPoints=function(){this.computeMinDistance();var nearestPts=[this.minDistanceLocation[0].getCoordinate(),this.minDistanceLocation[1].getCoordinate()];return nearestPts};jsts.operation.distance.DistanceOp.prototype.nearestLocations=function(){this.computeMinDistance();return this.minDistanceLocation};jsts.operation.distance.DistanceOp.prototype.updateMinDistance=function(locGeom,flip){if(locGeom[0]===null)return;if(flip){this.minDistanceLocation[0]=locGeom[1];this.minDistanceLocation[1]=locGeom[0]}else{this.minDistanceLocation[0]=locGeom[0];this.minDistanceLocation[1]=locGeom[1]}};jsts.operation.distance.DistanceOp.prototype.computeMinDistance=function(){if(arguments.length>0){this.computeMinDistance2.apply(this,arguments);return}if(this.minDistanceLocation!==null)return;this.minDistanceLocation=[];this.computeContainmentDistance();if(this.minDistance<=this.terminateDistance)return;this.computeFacetDistance()};jsts.operation.distance.DistanceOp.prototype.computeContainmentDistance=function(){if(arguments.length===2){this.computeContainmentDistance2.apply(this,arguments);return}else if(arguments.length===3&&!arguments[0]instanceof jsts.operation.distance.GeometryLocation){this.computeContainmentDistance3.apply(this,arguments);return}else if(arguments.length===3){this.computeContainmentDistance4.apply(this,arguments);return}var locPtPoly=[];this.computeContainmentDistance2(0,locPtPoly);if(this.minDistance<=this.terminateDistance)return;this.computeContainmentDistance2(1,locPtPoly)};jsts.operation.distance.DistanceOp.prototype.computeContainmentDistance2=function(polyGeomIndex,locPtPoly){var locationsIndex=1-polyGeomIndex;var polys=jsts.geom.util.PolygonExtracter.getPolygons(this.geom[polyGeomIndex]);if(polys.length>0){var insideLocs=jsts.operation.distance.ConnectedElementLocationFilter.getLocations(this.geom[locationsIndex]);this.computeContainmentDistance3(insideLocs,polys,locPtPoly);if(this.minDistance<=this.terminateDistance){this.minDistanceLocation[locationsIndex]=locPtPoly[0];this.minDistanceLocation[polyGeomIndex]=locPtPoly[1];return}}};jsts.operation.distance.DistanceOp.prototype.computeContainmentDistance3=function(locs,polys,locPtPoly){for(var i=0;i<locs.length;i++){var loc=locs[i];for(var j=0;j<polys.length;j++){this.computeContainmentDistance4(loc,polys[j],locPtPoly);if(this.minDistance<=this.terminateDistance)return}}};jsts.operation.distance.DistanceOp.prototype.computeContainmentDistance4=function(ptLoc,poly,locPtPoly){var pt=ptLoc.getCoordinate();if(jsts.geom.Location.EXTERIOR!==this.ptLocator.locate(pt,poly)){this.minDistance=0;locPtPoly[0]=ptLoc;locPtPoly[1]=new jsts.operation.distance.GeometryLocation(poly,pt);return}};jsts.operation.distance.DistanceOp.prototype.computeFacetDistance=function(){var locGeom=[];var lines0=jsts.geom.util.LinearComponentExtracter.getLines(this.geom[0]);var lines1=jsts.geom.util.LinearComponentExtracter.getLines(this.geom[1]);var pts0=jsts.geom.util.PointExtracter.getPoints(this.geom[0]);var pts1=jsts.geom.util.PointExtracter.getPoints(this.geom[1]);this.computeMinDistanceLines(lines0,lines1,locGeom);this.updateMinDistance(locGeom,false);if(this.minDistance<=this.terminateDistance)return;locGeom[0]=null;locGeom[1]=null;this.computeMinDistanceLinesPoints(lines0,pts1,locGeom);this.updateMinDistance(locGeom,false);if(this.minDistance<=this.terminateDistance)return;locGeom[0]=null;locGeom[1]=null;this.computeMinDistanceLinesPoints(lines1,pts0,locGeom);this.updateMinDistance(locGeom,true);if(this.minDistance<=this.terminateDistance)return;locGeom[0]=null;locGeom[1]=null;this.computeMinDistancePoints(pts0,pts1,locGeom);this.updateMinDistance(locGeom,false)};jsts.operation.distance.DistanceOp.prototype.computeMinDistanceLines=function(lines0,lines1,locGeom){for(var i=0;i<lines0.length;i++){var line0=lines0[i];for(var j=0;j<lines1.length;j++){var line1=lines1[j];this.computeMinDistance(line0,line1,locGeom);if(this.minDistance<=this.terminateDistance)return}}};jsts.operation.distance.DistanceOp.prototype.computeMinDistancePoints=function(points0,points1,locGeom){for(var i=0;i<points0.length;i++){var pt0=points0[i];for(var j=0;j<points1.length;j++){var pt1=points1[j];var dist=pt0.getCoordinate().distance(pt1.getCoordinate());if(dist<this.minDistance){this.minDistance=dist;locGeom[0]=new jsts.operation.distance.GeometryLocation(pt0,0,pt0.getCoordinate());locGeom[1]=new jsts.operation.distance.GeometryLocation(pt1,0,pt1.getCoordinate())}if(this.minDistance<=this.terminateDistance)return}}};jsts.operation.distance.DistanceOp.prototype.computeMinDistanceLinesPoints=function(lines,points,locGeom){for(var i=0;i<lines.length;i++){var line=lines[i];for(var j=0;j<points.length;j++){var pt=points[j];this.computeMinDistance(line,pt,locGeom);if(this.minDistance<=this.terminateDistance)return}}};jsts.operation.distance.DistanceOp.prototype.computeMinDistance2=function(line0,line1,locGeom){if(line1 instanceof jsts.geom.Point){this.computeMinDistance3(line0,line1,locGeom);return}if(line0.getEnvelopeInternal().distance(line1.getEnvelopeInternal())>this.minDistance){return}var coord0=line0.getCoordinates();var coord1=line1.getCoordinates();for(var i=0;i<coord0.length-1;i++){for(var j=0;j<coord1.length-1;j++){var dist=jsts.algorithm.CGAlgorithms.distanceLineLine(coord0[i],coord0[i+1],coord1[j],coord1[j+1]);if(dist<this.minDistance){this.minDistance=dist;var seg0=new jsts.geom.LineSegment(coord0[i],coord0[i+1]);var seg1=new jsts.geom.LineSegment(coord1[j],coord1[j+1]);var closestPt=seg0.closestPoints(seg1);locGeom[0]=new jsts.operation.distance.GeometryLocation(line0,i,closestPt[0]);locGeom[1]=new jsts.operation.distance.GeometryLocation(line1,j,closestPt[1])}if(this.minDistance<=this.terminateDistance){return}}}};jsts.operation.distance.DistanceOp.prototype.computeMinDistance3=function(line,pt,locGeom){if(line.getEnvelopeInternal().distance(pt.getEnvelopeInternal())>this.minDistance){return}var coord0=line.getCoordinates();var coord=pt.getCoordinate();for(var i=0;i<coord0.length-1;i++){var dist=jsts.algorithm.CGAlgorithms.distancePointLine(coord,coord0[i],coord0[i+1]);if(dist<this.minDistance){this.minDistance=dist;var seg=new jsts.geom.LineSegment(coord0[i],coord0[i+1]);var segClosestPoint=seg.closestPoint(coord);locGeom[0]=new jsts.operation.distance.GeometryLocation(line,i,segClosestPoint);locGeom[1]=new jsts.operation.distance.GeometryLocation(pt,0,coord)}if(this.minDistance<=this.terminateDistance){return}}};jsts.index.strtree.SIRtree=function(nodeCapacity){nodeCapacity=nodeCapacity||10;jsts.index.strtree.AbstractSTRtree.call(this,nodeCapacity)};jsts.index.strtree.SIRtree.prototype=new jsts.index.strtree.AbstractSTRtree;jsts.index.strtree.SIRtree.constructor=jsts.index.strtree.SIRtree;jsts.index.strtree.SIRtree.prototype.comperator={compare:function(o1,o2){return o1.getBounds().getCentre()-o2.getBounds().getCentre()}};jsts.index.strtree.SIRtree.prototype.intersectionOp={intersects:function(aBounds,bBounds){return aBounds.intersects(bBounds)}};jsts.index.strtree.SIRtree.prototype.createNode=function(level){var AbstractNode=function(level){jsts.index.strtree.AbstractNode.apply(this,arguments)};AbstractNode.prototype=new jsts.index.strtree.AbstractNode;AbstractNode.constructor=AbstractNode;AbstractNode.prototype.computeBounds=function(){var bounds=null,childBoundables=this.getChildBoundables(),childBoundable;for(var i=0,l=childBoundables.length;i<l;i++){childBoundable=childBoundables[i];if(bounds===null){bounds=new jsts.index.strtree.Interval(childBoundable.getBounds())}else{bounds.expandToInclude(childBoundable.getBounds())}}return bounds};return AbstractNode};jsts.index.strtree.SIRtree.prototype.insert=function(x1,x2,item){jsts.index.strtree.AbstractSTRtree.prototype.insert(new jsts.index.strtree.Interval(Math.min(x1,x2),Math.max(x1,x2)),item)};jsts.index.strtree.SIRtree.prototype.query=function(x1,x2){x2=x2||x1;jsts.index.strtree.AbstractSTRtree.prototype.query(new jsts.index.strtree.Interval(Math.min(x1,x2),Math.max(x1,x2)))};jsts.index.strtree.SIRtree.prototype.getIntersectsOp=function(){return this.intersectionOp};jsts.index.strtree.SIRtree.prototype.getComparator=function(){return this.comperator};(function(){var Location=jsts.geom.Location;jsts.operation.relate.RelateNodeGraph=function(){this.nodes=new jsts.geomgraph.NodeMap(new jsts.operation.relate.RelateNodeFactory)};jsts.operation.relate.RelateNodeGraph.prototype.nodes=null;jsts.operation.relate.RelateNodeGraph.prototype.build=function(geomGraph){this.computeIntersectionNodes(geomGraph,0);this.copyNodesAndLabels(geomGraph,0);var eeBuilder=new jsts.operation.relate.EdgeEndBuilder;var eeList=eeBuilder.computeEdgeEnds(geomGraph.getEdgeIterator());this.insertEdgeEnds(eeList)};jsts.operation.relate.RelateNodeGraph.prototype.computeIntersectionNodes=function(geomGraph,argIndex){for(var edgeIt=geomGraph.getEdgeIterator();edgeIt.hasNext();){var e=edgeIt.next();var eLoc=e.getLabel().getLocation(argIndex);for(var eiIt=e.getEdgeIntersectionList().iterator();eiIt.hasNext();){var ei=eiIt.next();var n=this.nodes.addNode(ei.coord);if(eLoc===Location.BOUNDARY)n.setLabelBoundary(argIndex);else{if(n.getLabel().isNull(argIndex))n.setLabel(argIndex,Location.INTERIOR)}}}};jsts.operation.relate.RelateNodeGraph.prototype.copyNodesAndLabels=function(geomGraph,argIndex){for(var nodeIt=geomGraph.getNodeIterator();nodeIt.hasNext();){var graphNode=nodeIt.next();var newNode=this.nodes.addNode(graphNode.getCoordinate());newNode.setLabel(argIndex,graphNode.getLabel().getLocation(argIndex))}};jsts.operation.relate.RelateNodeGraph.prototype.insertEdgeEnds=function(ee){for(var i=ee.iterator();i.hasNext();){var e=i.next();this.nodes.add(e)}};jsts.operation.relate.RelateNodeGraph.prototype.getNodeIterator=function(){return this.nodes.iterator()}})();(function(){var Location=jsts.geom.Location;var Position=jsts.geomgraph.Position;jsts.geomgraph.Depth=function(){this.depth=[[],[]];for(var i=0;i<2;i++){for(var j=0;j<3;j++){this.depth[i][j]=jsts.geomgraph.Depth.NULL_VALUE}}};jsts.geomgraph.Depth.NULL_VALUE=-1;jsts.geomgraph.Depth.depthAtLocation=function(location){if(location===Location.EXTERIOR)return 0;if(location===Location.INTERIOR)return 1;return jsts.geomgraph.Depth.NULL_VALUE};jsts.geomgraph.Depth.prototype.depth=null;jsts.geomgraph.Depth.prototype.getDepth=function(geomIndex,posIndex){return this.depth[geomIndex][posIndex]};jsts.geomgraph.Depth.prototype.setDepth=function(geomIndex,posIndex,depthValue){this.depth[geomIndex][posIndex]=depthValue};jsts.geomgraph.Depth.prototype.getLocation=function(geomIndex,posIndex){if(this.depth[geomIndex][posIndex]<=0)return Location.EXTERIOR;return Location.INTERIOR};jsts.geomgraph.Depth.prototype.add=function(geomIndex,posIndex,location){if(location===Location.INTERIOR)this.depth[geomIndex][posIndex]++};jsts.geomgraph.Depth.prototype.isNull=function(){if(arguments.length>0){return this.isNull2.apply(this,arguments)}for(var i=0;i<2;i++){for(var j=0;j<3;j++){if(this.depth[i][j]!==jsts.geomgraph.Depth.NULL_VALUE)return false
}}return true};jsts.geomgraph.Depth.prototype.isNull2=function(geomIndex){if(arguments.length>1){return this.isNull3.apply(this,arguments)}return this.depth[geomIndex][1]==jsts.geomgraph.Depth.NULL_VALUE};jsts.geomgraph.Depth.prototype.isNull3=function(geomIndex,posIndex){return this.depth[geomIndex][posIndex]==jsts.geomgraph.Depth.NULL_VALUE};jsts.geomgraph.Depth.prototype.add=function(lbl){for(var i=0;i<2;i++){for(var j=1;j<3;j++){var loc=lbl.getLocation(i,j);if(loc===Location.EXTERIOR||loc===Location.INTERIOR){if(this.isNull(i,j)){this.depth[i][j]=jsts.geomgraph.Depth.depthAtLocation(loc)}else this.depth[i][j]+=jsts.geomgraph.Depth.depthAtLocation(loc)}}}};jsts.geomgraph.Depth.prototype.getDelta=function(geomIndex){return this.depth[geomIndex][Position.RIGHT]-this.depth[geomIndex][Position.LEFT]};jsts.geomgraph.Depth.prototype.normalize=function(){for(var i=0;i<2;i++){if(!this.isNull(i)){var minDepth=this.depth[i][1];if(this.depth[i][2]<minDepth)minDepth=this.depth[i][2];if(minDepth<0)minDepth=0;for(var j=1;j<3;j++){var newValue=0;if(this.depth[i][j]>minDepth)newValue=1;this.depth[i][j]=newValue}}}};jsts.geomgraph.Depth.prototype.toString=function(){return"A: "+this.depth[0][1]+","+this.depth[0][2]+" B: "+this.depth[1][1]+","+this.depth[1][2]}})();jsts.algorithm.BoundaryNodeRule=function(){};jsts.algorithm.BoundaryNodeRule.prototype.isInBoundary=function(boundaryCount){throw new jsts.error.AbstractMethodInvocationError};jsts.algorithm.Mod2BoundaryNodeRule=function(){};jsts.algorithm.Mod2BoundaryNodeRule.prototype=new jsts.algorithm.BoundaryNodeRule;jsts.algorithm.Mod2BoundaryNodeRule.prototype.isInBoundary=function(boundaryCount){return boundaryCount%2===1};jsts.algorithm.BoundaryNodeRule.MOD2_BOUNDARY_RULE=new jsts.algorithm.Mod2BoundaryNodeRule;jsts.algorithm.BoundaryNodeRule.OGC_SFS_BOUNDARY_RULE=jsts.algorithm.BoundaryNodeRule.MOD2_BOUNDARY_RULE;jsts.operation.distance.GeometryLocation=function(component,segIndex,pt){this.component=component;this.segIndex=segIndex;this.pt=pt};jsts.operation.distance.GeometryLocation.INSIDE_AREA=-1;jsts.operation.distance.GeometryLocation.prototype.component=null;jsts.operation.distance.GeometryLocation.prototype.segIndex=null;jsts.operation.distance.GeometryLocation.prototype.pt=null;jsts.operation.distance.GeometryLocation.prototype.getGeometryComponent=function(){return this.component};jsts.operation.distance.GeometryLocation.prototype.getSegmentIndex=function(){return this.segIndex};jsts.operation.distance.GeometryLocation.prototype.getCoordinate=function(){return this.pt};jsts.operation.distance.GeometryLocation.prototype.isInsideArea=function(){return this.segIndex===jsts.operation.distance.GeometryLocation.INSIDE_AREA};jsts.geom.util.PointExtracter=function(pts){this.pts=pts};jsts.geom.util.PointExtracter.prototype=new jsts.geom.GeometryFilter;jsts.geom.util.PointExtracter.prototype.pts=null;jsts.geom.util.PointExtracter.getPoints=function(geom,list){if(list===undefined){list=[]}if(geom instanceof jsts.geom.Point){list.push(geom)}else if(geom instanceof jsts.geom.GeometryCollection||geom instanceof jsts.geom.MultiPoint||geom instanceof jsts.geom.MultiLineString||geom instanceof jsts.geom.MultiPolygon){geom.apply(new jsts.geom.util.PointExtracter(list))}return list};jsts.geom.util.PointExtracter.prototype.filter=function(geom){if(geom instanceof jsts.geom.Point)this.pts.push(geom)};jsts.noding.ScaledNoder=function(noder,scaleFactor,offsetX,offsetY){this.offsetX=offsetX?offsetX:0;this.offsetY=offsetY?offsetY:0;this.noder=noder;this.scaleFactor=scaleFactor;this.isScaled=!this.isIntegerPrecision()};jsts.noding.ScaledNoder.prototype=new jsts.noding.Noder;jsts.noding.ScaledNoder.constructor=jsts.noding.ScaledNoder;jsts.noding.ScaledNoder.prototype.noder=null;jsts.noding.ScaledNoder.prototype.scaleFactor=undefined;jsts.noding.ScaledNoder.prototype.offsetX=undefined;jsts.noding.ScaledNoder.prototype.offsetY=undefined;jsts.noding.ScaledNoder.prototype.isScaled=false;jsts.noding.ScaledNoder.prototype.isIntegerPrecision=function(){return this.scaleFactor===1};jsts.noding.ScaledNoder.prototype.getNodedSubstrings=function(){var splitSS=this.noder.getNodedSubstrings();if(this.isScaled)this.rescale(splitSS);return splitSS};jsts.noding.ScaledNoder.prototype.computeNodes=function(inputSegStrings){var intSegStrings=inputSegStrings;if(this.isScaled)intSegStrings=this.scale(inputSegStrings);this.noder.computeNodes(intSegStrings)};jsts.noding.ScaledNoder.prototype.scale=function(segStrings){if(segStrings instanceof Array){return this.scale2(segStrings)}var transformed=new javascript.util.ArrayList;for(var i=segStrings.iterator();i.hasNext();){var ss=i.next();transformed.add(new jsts.noding.NodedSegmentString(this.scale(ss.getCoordinates()),ss.getData()))}return transformed};jsts.noding.ScaledNoder.prototype.scale2=function(pts){var roundPts=[];for(var i=0;i<pts.length;i++){roundPts[i]=new jsts.geom.Coordinate(Math.round((pts[i].x-this.offsetX)*this.scaleFactor),Math.round((pts[i].y-this.offsetY)*this.scaleFactor))}var roundPtsNoDup=jsts.geom.CoordinateArrays.removeRepeatedPoints(roundPts);return roundPtsNoDup};jsts.noding.ScaledNoder.prototype.rescale=function(segStrings){if(segStrings instanceof Array){this.rescale2(segStrings);return}for(var i=segStrings.iterator();i.hasNext();){var ss=i.next();this.rescale(ss.getCoordinates())}};jsts.noding.ScaledNoder.prototype.rescale2=function(pts){for(var i=0;i<pts.length;i++){pts[i].x=pts[i].x/this.scaleFactor+this.offsetX;pts[i].y=pts[i].y/this.scaleFactor+this.offsetY}};jsts.geomgraph.index.SimpleSweepLineIntersector=function(){};jsts.geomgraph.index.SimpleSweepLineIntersector.prototype=new jsts.geomgraph.index.EdgeSetIntersector;jsts.geomgraph.index.SimpleSweepLineIntersector.prototype.events=[];jsts.geomgraph.index.SimpleSweepLineIntersector.prototype.nOverlaps=null;jsts.geomgraph.index.SimpleSweepLineIntersector.prototype.computeIntersections=function(edges,si,testAllSegments){if(si instanceof javascript.util.List){this.computeIntersections2.apply(this,arguments);return}if(testAllSegments){this.add(edges,null)}else{this.add(edges)}this.computeIntersections3(si)};jsts.geomgraph.index.SimpleSweepLineIntersector.prototype.computeIntersections2=function(edges0,edges1,si){this.add(edges0,edges0);this.add(edges1,edges1);this.computeIntersections3(si)};jsts.geomgraph.index.SimpleSweepLineIntersector.prototype.add=function(edge,edgeSet){if(edge instanceof javascript.util.List){this.add2.apply(this,arguments);return}var pts=edge.getCoordinates();for(var i=0;i<pts.length-1;i++){var ss=new jsts.geomgraph.index.SweepLineSegment(edge,i);var insertEvent=new jsts.geomgraph.index.SweepLineEvent(ss.getMinX(),ss,edgeSet);this.events.push(insertEvent);this.events.push(new jsts.geomgraph.index.SweepLineEvent(ss.getMaxX(),insertEvent))}};jsts.geomgraph.index.SimpleSweepLineIntersector.prototype.add2=function(edges,edgeSet){for(var i=edges.iterator();i.hasNext();){var edge=i.next();if(edgeSet){this.add(edge,edgeSet)}else{this.add(edge,edge)}}};jsts.geomgraph.index.SimpleSweepLineIntersector.prototype.prepareEvents=function(){this.events.sort(function(a,b){return a.compareTo(b)});for(var i=0;i<this.events.length;i++){var ev=this.events[i];if(ev.isDelete()){ev.getInsertEvent().setDeleteEventIndex(i)}}};jsts.geomgraph.index.SimpleSweepLineIntersector.prototype.computeIntersections3=function(si){this.nOverlaps=0;this.prepareEvents();for(var i=0;i<this.events.length;i++){var ev=this.events[i];if(ev.isInsert()){this.processOverlaps(i,ev.getDeleteEventIndex(),ev,si)}}};jsts.geomgraph.index.SimpleSweepLineIntersector.prototype.processOverlaps=function(start,end,ev0,si){var ss0=ev0.getObject();for(var i=start;i<end;i++){var ev1=this.events[i];if(ev1.isInsert()){var ss1=ev1.getObject();if(!ev0.isSameLabel(ev1)){ss0.computeIntersections(ss1,si);this.nOverlaps++}}}};jsts.triangulate.VoronoiDiagramBuilder=function(){this.siteCoords=null;this.tolerance=0;this.subdiv=null;this.clipEnv=null;this.diagramEnv=null};jsts.triangulate.VoronoiDiagramBuilder.prototype.setSites=function(){var arg=arguments[0];if(arg instanceof jsts.geom.Geometry||arg instanceof jsts.geom.Coordinate||arg instanceof jsts.geom.Point||arg instanceof jsts.geom.MultiPoint||arg instanceof jsts.geom.LineString||arg instanceof jsts.geom.MultiLineString||arg instanceof jsts.geom.LinearRing||arg instanceof jsts.geom.Polygon||arg instanceof jsts.geom.MultiPolygon){this.setSitesByGeometry(arg)}else{this.setSitesByArray(arg)}};jsts.triangulate.VoronoiDiagramBuilder.prototype.setSitesByGeometry=function(geom){this.siteCoords=jsts.triangulate.DelaunayTriangulationBuilder.extractUniqueCoordinates(geom)};jsts.triangulate.VoronoiDiagramBuilder.prototype.setSitesByArray=function(coords){this.siteCoords=jsts.triangulate.DelaunayTriangulationBuilder.unique(coords)};jsts.triangulate.VoronoiDiagramBuilder.prototype.setClipEnvelope=function(clipEnv){this.clipEnv=clipEnv};jsts.triangulate.VoronoiDiagramBuilder.prototype.setTolerance=function(tolerance){this.tolerance=tolerance};jsts.triangulate.VoronoiDiagramBuilder.prototype.create=function(){if(this.subdiv!==null){return}var siteEnv,expandBy,vertices,triangulator;siteEnv=jsts.triangulate.DelaunayTriangulationBuilder.envelope(this.siteCoords);this.diagramEnv=siteEnv;expandBy=Math.max(this.diagramEnv.getWidth(),this.diagramEnv.getHeight());this.diagramEnv.expandBy(expandBy);if(this.clipEnv!==null){this.diagramEnv.expandToInclude(this.clipEnv)}vertices=jsts.triangulate.DelaunayTriangulationBuilder.toVertices(this.siteCoords);this.subdiv=new jsts.triangulate.quadedge.QuadEdgeSubdivision(siteEnv,this.tolerance);triangulator=new jsts.triangulate.IncrementalDelaunayTriangulator(this.subdiv);triangulator.insertSites(vertices)};jsts.triangulate.VoronoiDiagramBuilder.prototype.getSubdivision=function(){this.create();return this.subdiv};jsts.triangulate.VoronoiDiagramBuilder.prototype.getDiagram=function(geomFact){this.create();var polys=this.subdiv.getVoronoiDiagram(geomFact);return this.clipGeometryCollection(polys,this.diagramEnv)};jsts.triangulate.VoronoiDiagramBuilder.prototype.clipGeometryCollection=function(geom,clipEnv){var clipPoly,clipped,i,il,g,result;clipPoly=geom.getFactory().toGeometry(clipEnv);clipped=[];i=0,il=geom.getNumGeometries();for(i;i<il;i++){g=geom.getGeometryN(i);result=null;if(clipEnv.contains(g.getEnvelopeInternal())){result=g}else if(clipEnv.intersects(g.getEnvelopeInternal())){result=clipPoly.intersection(g)}if(result!==null&&!result.isEmpty()){clipped.push(result)}}return geom.getFactory().createGeometryCollection(clipped)};jsts.operation.valid.IndexedNestedRingTester=function(graph){this.graph=graph;this.rings=new javascript.util.ArrayList;this.totalEnv=new jsts.geom.Envelope;this.index=null;this.nestedPt=null};jsts.operation.valid.IndexedNestedRingTester.prototype.getNestedPoint=function(){return this.nestedPt};jsts.operation.valid.IndexedNestedRingTester.prototype.add=function(ring){this.rings.add(ring);this.totalEnv.expandToInclude(ring.getEnvelopeInternal())};jsts.operation.valid.IndexedNestedRingTester.prototype.isNonNested=function(){this.buildIndex();for(var i=0;i<this.rings.size();i++){var innerRing=this.rings.get(i);var innerRingPts=innerRing.getCoordinates();var results=this.index.query(innerRing.getEnvelopeInternal());for(var j=0;j<results.length;j++){var searchRing=results[j];var searchRingPts=searchRing.getCoordinates();if(innerRing==searchRing){continue}if(!innerRing.getEnvelopeInternal().intersects(searchRing.getEnvelopeInternal())){continue}var innerRingPt=jsts.operation.valid.IsValidOp.findPtNotNode(innerRingPts,searchRing,this.graph);if(innerRingPt==null){continue}var isInside=jsts.algorithm.CGAlgorithms.isPointInRing(innerRingPt,searchRingPts);if(isInside){this.nestedPt=innerRingPt;return false}}}return true};jsts.operation.valid.IndexedNestedRingTester.prototype.buildIndex=function(){this.index=new jsts.index.strtree.STRtree;for(var i=0;i<this.rings.size();i++){var ring=this.rings.get(i);var env=ring.getEnvelopeInternal();this.index.insert(env,ring)}};jsts.geomgraph.index.MonotoneChain=function(mce,chainIndex){this.mce=mce;this.chainIndex=chainIndex};jsts.geomgraph.index.MonotoneChain.prototype.mce=null;jsts.geomgraph.index.MonotoneChain.prototype.chainIndex=null;jsts.geomgraph.index.MonotoneChain.prototype.computeIntersections=function(mc,si){this.mce.computeIntersectsForChain(this.chainIndex,mc.mce,mc.chainIndex,si)};jsts.noding.SegmentNode=function(segString,coord,segmentIndex,segmentOctant){this.segString=segString;this.coord=new jsts.geom.Coordinate(coord);this.segmentIndex=segmentIndex;this.segmentOctant=segmentOctant;this._isInterior=!coord.equals2D(segString.getCoordinate(segmentIndex))};jsts.noding.SegmentNode.prototype.segString=null;jsts.noding.SegmentNode.prototype.coord=null;jsts.noding.SegmentNode.prototype.segmentIndex=null;jsts.noding.SegmentNode.prototype.segmentOctant=null;jsts.noding.SegmentNode.prototype._isInterior=null;jsts.noding.SegmentNode.prototype.getCoordinate=function(){return this.coord};jsts.noding.SegmentNode.prototype.isInterior=function(){return this._isInterior};jsts.noding.SegmentNode.prototype.isEndPoint=function(maxSegmentIndex){if(this.segmentIndex===0&&!this._isInterior)return true;if(this.segmentIndex===this.maxSegmentIndex)return true;return false};jsts.noding.SegmentNode.prototype.compareTo=function(obj){var other=obj;if(this.segmentIndex<other.segmentIndex)return-1;if(this.segmentIndex>other.segmentIndex)return 1;if(this.coord.equals2D(other.coord))return 0;return jsts.noding.SegmentPointComparator.compare(this.segmentOctant,this.coord,other.coord)};(function(){jsts.io.GeoJSONWriter=function(){this.parser=new jsts.io.GeoJSONParser(this.geometryFactory)};jsts.io.GeoJSONWriter.prototype.write=function(geometry){var geoJson=this.parser.write(geometry);return geoJson}})();jsts.io.OpenLayersParser=function(geometryFactory){this.geometryFactory=geometryFactory||new jsts.geom.GeometryFactory};jsts.io.OpenLayersParser.prototype.read=function(geometry){if(geometry.CLASS_NAME==="OpenLayers.Geometry.Point"){return this.convertFromPoint(geometry)}else if(geometry.CLASS_NAME==="OpenLayers.Geometry.LineString"){return this.convertFromLineString(geometry)}else if(geometry.CLASS_NAME==="OpenLayers.Geometry.LinearRing"){return this.convertFromLinearRing(geometry)}else if(geometry.CLASS_NAME==="OpenLayers.Geometry.Polygon"){return this.convertFromPolygon(geometry)}else if(geometry.CLASS_NAME==="OpenLayers.Geometry.MultiPoint"){return this.convertFromMultiPoint(geometry)}else if(geometry.CLASS_NAME==="OpenLayers.Geometry.MultiLineString"){return this.convertFromMultiLineString(geometry)}else if(geometry.CLASS_NAME==="OpenLayers.Geometry.MultiPolygon"){return this.convertFromMultiPolygon(geometry)}else if(geometry.CLASS_NAME==="OpenLayers.Geometry.Collection"){return this.convertFromCollection(geometry)}};jsts.io.OpenLayersParser.prototype.convertFromPoint=function(point){return this.geometryFactory.createPoint(new jsts.geom.Coordinate(point.x,point.y))};jsts.io.OpenLayersParser.prototype.convertFromLineString=function(lineString){var i;var coordinates=[];for(i=0;i<lineString.components.length;i++){coordinates.push(new jsts.geom.Coordinate(lineString.components[i].x,lineString.components[i].y))}return this.geometryFactory.createLineString(coordinates)};jsts.io.OpenLayersParser.prototype.convertFromLinearRing=function(linearRing){var i;var coordinates=[];for(i=0;i<linearRing.components.length;i++){coordinates.push(new jsts.geom.Coordinate(linearRing.components[i].x,linearRing.components[i].y))}return this.geometryFactory.createLinearRing(coordinates)};jsts.io.OpenLayersParser.prototype.convertFromPolygon=function(polygon){var i;var shell=null;var holes=[];for(i=0;i<polygon.components.length;i++){var linearRing=this.convertFromLinearRing(polygon.components[i]);if(i===0){shell=linearRing}else{holes.push(linearRing)}}return this.geometryFactory.createPolygon(shell,holes)};jsts.io.OpenLayersParser.prototype.convertFromMultiPoint=function(multiPoint){var i;var points=[];for(i=0;i<multiPoint.components.length;i++){points.push(this.convertFromPoint(multiPoint.components[i]))}return this.geometryFactory.createMultiPoint(points)};jsts.io.OpenLayersParser.prototype.convertFromMultiLineString=function(multiLineString){var i;var lineStrings=[];for(i=0;i<multiLineString.components.length;i++){lineStrings.push(this.convertFromLineString(multiLineString.components[i]))}return this.geometryFactory.createMultiLineString(lineStrings)};jsts.io.OpenLayersParser.prototype.convertFromMultiPolygon=function(multiPolygon){var i;var polygons=[];for(i=0;i<multiPolygon.components.length;i++){polygons.push(this.convertFromPolygon(multiPolygon.components[i]))}return this.geometryFactory.createMultiPolygon(polygons)};jsts.io.OpenLayersParser.prototype.convertFromCollection=function(collection){var i;var geometries=[];for(i=0;i<collection.components.length;i++){geometries.push(this.read(collection.components[i]))}return this.geometryFactory.createGeometryCollection(geometries)};jsts.io.OpenLayersParser.prototype.write=function(geometry){if(geometry.CLASS_NAME==="jsts.geom.Point"){return this.convertToPoint(geometry.coordinate)}else if(geometry.CLASS_NAME==="jsts.geom.LineString"){return this.convertToLineString(geometry)}else if(geometry.CLASS_NAME==="jsts.geom.LinearRing"){return this.convertToLinearRing(geometry)}else if(geometry.CLASS_NAME==="jsts.geom.Polygon"){return this.convertToPolygon(geometry)}else if(geometry.CLASS_NAME==="jsts.geom.MultiPoint"){return this.convertToMultiPoint(geometry)}else if(geometry.CLASS_NAME==="jsts.geom.MultiLineString"){return this.convertToMultiLineString(geometry)}else if(geometry.CLASS_NAME==="jsts.geom.MultiPolygon"){return this.convertToMultiPolygon(geometry)}else if(geometry.CLASS_NAME==="jsts.geom.GeometryCollection"){return this.convertToCollection(geometry)}};jsts.io.OpenLayersParser.prototype.convertToPoint=function(coordinate){return new OpenLayers.Geometry.Point(coordinate.x,coordinate.y)};jsts.io.OpenLayersParser.prototype.convertToLineString=function(lineString){var i;var points=[];for(i=0;i<lineString.points.length;i++){var coordinate=lineString.points[i];points.push(this.convertToPoint(coordinate))}return new OpenLayers.Geometry.LineString(points)};jsts.io.OpenLayersParser.prototype.convertToLinearRing=function(linearRing){var i;var points=[];for(i=0;i<linearRing.points.length;i++){var coordinate=linearRing.points[i];points.push(this.convertToPoint(coordinate))}return new OpenLayers.Geometry.LinearRing(points)};jsts.io.OpenLayersParser.prototype.convertToPolygon=function(polygon){var i;var rings=[];rings.push(this.convertToLinearRing(polygon.shell));for(i=0;i<polygon.holes.length;i++){var ring=polygon.holes[i];rings.push(this.convertToLinearRing(ring))}return new OpenLayers.Geometry.Polygon(rings)};jsts.io.OpenLayersParser.prototype.convertToMultiPoint=function(multiPoint){var i;var points=[];for(i=0;i<multiPoint.geometries.length;i++){var coordinate=multiPoint.geometries[i].coordinate;points.push(new OpenLayers.Geometry.Point(coordinate.x,coordinate.y))}return new OpenLayers.Geometry.MultiPoint(points)};jsts.io.OpenLayersParser.prototype.convertToMultiLineString=function(multiLineString){var i;var lineStrings=[];for(i=0;i<multiLineString.geometries.length;i++){lineStrings.push(this.convertToLineString(multiLineString.geometries[i]))}return new OpenLayers.Geometry.MultiLineString(lineStrings)};jsts.io.OpenLayersParser.prototype.convertToMultiPolygon=function(multiPolygon){var i;var polygons=[];for(i=0;i<multiPolygon.geometries.length;i++){polygons.push(this.convertToPolygon(multiPolygon.geometries[i]))}return new OpenLayers.Geometry.MultiPolygon(polygons)};jsts.io.OpenLayersParser.prototype.convertToCollection=function(geometryCollection){var i;var geometries=[];for(i=0;i<geometryCollection.geometries.length;i++){var geometry=geometryCollection.geometries[i];var geometryOpenLayers=this.write(geometry);geometries.push(geometryOpenLayers)}return new OpenLayers.Geometry.Collection(geometries)};jsts.index.quadtree.Quadtree=function(){this.root=new jsts.index.quadtree.Root;this.minExtent=1};jsts.index.quadtree.Quadtree.ensureExtent=function(itemEnv,minExtent){var minx,maxx,miny,maxy;minx=itemEnv.getMinX();maxx=itemEnv.getMaxX();miny=itemEnv.getMinY();maxy=itemEnv.getMaxY();if(minx!==maxx&&miny!==maxy){return itemEnv}if(minx===maxx){minx=minx-minExtent/2;maxx=minx+minExtent/2}if(miny===maxy){miny=miny-minExtent/2;maxy=miny+minExtent/2}return new jsts.geom.Envelope(minx,maxx,miny,maxy)};jsts.index.quadtree.Quadtree.prototype.depth=function(){return this.root.depth()};jsts.index.quadtree.Quadtree.prototype.size=function(){return this.root.size()};jsts.index.quadtree.Quadtree.prototype.insert=function(itemEnv,item){this.collectStats(itemEnv);var insertEnv=jsts.index.quadtree.Quadtree.ensureExtent(itemEnv,this.minExtent);this.root.insert(insertEnv,item)};jsts.index.quadtree.Quadtree.prototype.remove=function(itemEnv,item){var posEnv=jsts.index.quadtree.Quadtree.ensureExtent(itemEnv,this.minExtent);return this.root.remove(posEnv,item)};jsts.index.quadtree.Quadtree.prototype.query=function(){if(arguments.length===1){return jsts.index.quadtree.Quadtree.prototype.queryByEnvelope.apply(this,arguments)}else{jsts.index.quadtree.Quadtree.prototype.queryWithVisitor.apply(this,arguments)}};jsts.index.quadtree.Quadtree.prototype.queryByEnvelope=function(searchEnv){var visitor=new jsts.index.ArrayListVisitor;this.query(searchEnv,visitor);return visitor.getItems()};jsts.index.quadtree.Quadtree.prototype.queryWithVisitor=function(searchEnv,visitor){this.root.visit(searchEnv,visitor)};jsts.index.quadtree.Quadtree.prototype.queryAll=function(){var foundItems=[];foundItems=this.root.addAllItems(foundItems);return foundItems};jsts.index.quadtree.Quadtree.prototype.collectStats=function(itemEnv){var delX=itemEnv.getWidth();if(delX<this.minExtent&&delX>0){this.minExtent=delX}var delY=itemEnv.getHeight();if(delY<this.minExtent&&delY>0){this.minExtent=delY}};jsts.operation.relate.RelateNodeFactory=function(){};jsts.operation.relate.RelateNodeFactory.prototype=new jsts.geomgraph.NodeFactory;jsts.operation.relate.RelateNodeFactory.prototype.createNode=function(coord){return new jsts.operation.relate.RelateNode(coord,new jsts.operation.relate.EdgeEndBundleStar)};jsts.index.quadtree.Key=function(itemEnv){this.pt=new jsts.geom.Coordinate;this.level=0;this.env=null;this.computeKey(itemEnv)};jsts.index.quadtree.Key.computeQuadLevel=function(env){var dx,dy,dMax,level;dx=env.getWidth();dy=env.getHeight();dMax=dx>dy?dx:dy;level=jsts.index.DoubleBits.exponent(dMax)+1;return level};jsts.index.quadtree.Key.prototype.getPoint=function(){return this.pt};jsts.index.quadtree.Key.prototype.getLevel=function(){return this.level};jsts.index.quadtree.Key.prototype.getEnvelope=function(){return this.env};jsts.index.quadtree.Key.prototype.getCentre=function(){var x,y;x=(this.env.getMinX()+this.env.getMaxX())/2;y=(this.env.getMinY()+this.env.getMaxY())/2;return new jsts.geom.Coordinate(x,y)};jsts.index.quadtree.Key.prototype.computeKey=function(){if(arguments[0]instanceof jsts.geom.Envelope){this.computeKeyFromEnvelope(arguments[0])}else{this.computeKeyFromLevel(arguments[0],arguments[1])}};jsts.index.quadtree.Key.prototype.computeKeyFromEnvelope=function(env){this.level=jsts.index.quadtree.Key.computeQuadLevel(env);this.env=new jsts.geom.Envelope;this.computeKey(this.level,env);while(!this.env.contains(env)){this.level+=1;this.computeKey(this.level,env)}};jsts.index.quadtree.Key.prototype.computeKeyFromLevel=function(level,env){var quadSize=jsts.index.DoubleBits.powerOf2(level);this.pt.x=Math.floor(env.getMinX()/quadSize)*quadSize;this.pt.y=Math.floor(env.getMinY()/quadSize)*quadSize;this.env.init(this.pt.x,this.pt.x+quadSize,this.pt.y,this.pt.y+quadSize)};jsts.geom.CoordinateArrays=function(){throw new jsts.error.AbstractMethodInvocationError};jsts.geom.CoordinateArrays.removeRepeatedPoints=function(coord){var coordList;if(!this.hasRepeatedPoints(coord)){return coord}coordList=new jsts.geom.CoordinateList(coord,false);return coordList.toCoordinateArray()};jsts.geom.CoordinateArrays.hasRepeatedPoints=function(coord){var i;for(i=1;i<coord.length;i++){if(coord[i-1].equals(coord[i])){return true}}return false};jsts.geom.CoordinateArrays.ptNotInList=function(testPts,pts){for(var i=0;i<testPts.length;i++){var testPt=testPts[i];if(jsts.geom.CoordinateArrays.indexOf(testPt,pts)<0)return testPt}return null};jsts.geom.CoordinateArrays.increasingDirection=function(pts){for(var i=0;i<parseInt(pts.length/2);i++){var j=pts.length-1-i;var comp=pts[i].compareTo(pts[j]);if(comp!=0)return comp}return 1};jsts.geom.CoordinateArrays.minCoordinate=function(coordinates){var minCoord=null;for(var i=0;i<coordinates.length;i++){if(minCoord===null||minCoord.compareTo(coordinates[i])>0){minCoord=coordinates[i]}}return minCoord};jsts.geom.CoordinateArrays.scroll=function(coordinates,firstCoordinate){var i=jsts.geom.CoordinateArrays.indexOf(firstCoordinate,coordinates);if(i<0)return;var newCoordinates=coordinates.slice(i).concat(coordinates.slice(0,i));for(i=0;i<newCoordinates.length;i++){coordinates[i]=newCoordinates[i]}};jsts.geom.CoordinateArrays.indexOf=function(coordinate,coordinates){for(var i=0;i<coordinates.length;i++){if(coordinate.equals(coordinates[i])){return i}}return-1};jsts.operation.overlay.MinimalEdgeRing=function(start,geometryFactory){jsts.geomgraph.EdgeRing.call(this,start,geometryFactory)};jsts.operation.overlay.MinimalEdgeRing.prototype=new jsts.geomgraph.EdgeRing;jsts.operation.overlay.MinimalEdgeRing.constructor=jsts.operation.overlay.MinimalEdgeRing;jsts.operation.overlay.MinimalEdgeRing.prototype.getNext=function(de){return de.getNextMin()};jsts.operation.overlay.MinimalEdgeRing.prototype.setEdgeRing=function(de,er){de.setMinEdgeRing(er)};jsts.triangulate.DelaunayTriangulationBuilder=function(){this.siteCoords=null;this.tolerance=0;this.subdiv=null};jsts.triangulate.DelaunayTriangulationBuilder.extractUniqueCoordinates=function(geom){if(geom===undefined||geom===null){return new jsts.geom.CoordinateList([],false).toArray()}var coords=geom.getCoordinates();return jsts.triangulate.DelaunayTriangulationBuilder.unique(coords)};jsts.triangulate.DelaunayTriangulationBuilder.unique=function(coords){coords.sort(function(a,b){return a.compareTo(b)});var coordList=new jsts.geom.CoordinateList(coords,false);return coordList.toArray()};jsts.triangulate.DelaunayTriangulationBuilder.toVertices=function(coords){var verts=new Array(coords.length),i=0,il=coords.length,coord;for(i;i<il;i++){coord=coords[i];verts[i]=new jsts.triangulate.quadedge.Vertex(coord)}return verts};jsts.triangulate.DelaunayTriangulationBuilder.envelope=function(coords){var env=new jsts.geom.Envelope,i=0,il=coords.length;for(i;i<il;i++){env.expandToInclude(coords[i])}return env};jsts.triangulate.DelaunayTriangulationBuilder.prototype.setSites=function(){var arg=arguments[0];if(arg instanceof jsts.geom.Geometry||arg instanceof jsts.geom.Coordinate||arg instanceof jsts.geom.Point||arg instanceof jsts.geom.MultiPoint||arg instanceof jsts.geom.LineString||arg instanceof jsts.geom.MultiLineString||arg instanceof jsts.geom.LinearRing||arg instanceof jsts.geom.Polygon||arg instanceof jsts.geom.MultiPolygon){this.setSitesFromGeometry(arg)}else{this.setSitesFromCollection(arg)}};jsts.triangulate.DelaunayTriangulationBuilder.prototype.setSitesFromGeometry=function(geom){this.siteCoords=jsts.triangulate.DelaunayTriangulationBuilder.extractUniqueCoordinates(geom)};jsts.triangulate.DelaunayTriangulationBuilder.prototype.setSitesFromCollection=function(coords){this.siteCoords=jsts.triangulate.DelaunayTriangulationBuilder.unique(coords)};jsts.triangulate.DelaunayTriangulationBuilder.prototype.setTolerance=function(tolerance){this.tolerance=tolerance};jsts.triangulate.DelaunayTriangulationBuilder.prototype.create=function(){if(this.subdiv===null){var siteEnv,vertices,triangulator;siteEnv=jsts.triangulate.DelaunayTriangulationBuilder.envelope(this.siteCoords);vertices=jsts.triangulate.DelaunayTriangulationBuilder.toVertices(this.siteCoords);this.subdiv=new jsts.triangulate.quadedge.QuadEdgeSubdivision(siteEnv,this.tolerance);triangulator=new jsts.triangulate.IncrementalDelaunayTriangulator(this.subdiv);triangulator.insertSites(vertices)}};jsts.triangulate.DelaunayTriangulationBuilder.prototype.getSubdivision=function(){this.create();return this.subdiv};jsts.triangulate.DelaunayTriangulationBuilder.prototype.getEdges=function(geomFact){this.create();return this.subdiv.getEdges(geomFact)};jsts.triangulate.DelaunayTriangulationBuilder.prototype.getTriangles=function(geomFact){this.create();return this.subdiv.getTriangles(geomFact)};jsts.algorithm.RayCrossingCounter=function(p){this.p=p};jsts.algorithm.RayCrossingCounter.locatePointInRing=function(p,ring){var counter=new jsts.algorithm.RayCrossingCounter(p);for(var i=1;i<ring.length;i++){var p1=ring[i];var p2=ring[i-1];counter.countSegment(p1,p2);if(counter.isOnSegment())return counter.getLocation()}return counter.getLocation()};jsts.algorithm.RayCrossingCounter.prototype.p=null;jsts.algorithm.RayCrossingCounter.prototype.crossingCount=0;jsts.algorithm.RayCrossingCounter.prototype.isPointOnSegment=false;jsts.algorithm.RayCrossingCounter.prototype.countSegment=function(p1,p2){if(p1.x<this.p.x&&p2.x<this.p.x)return;if(this.p.x==p2.x&&this.p.y===p2.y){this.isPointOnSegment=true;return}if(p1.y===this.p.y&&p2.y===this.p.y){var minx=p1.x;var maxx=p2.x;if(minx>maxx){minx=p2.x;maxx=p1.x}if(this.p.x>=minx&&this.p.x<=maxx){this.isPointOnSegment=true}return}if(p1.y>this.p.y&&p2.y<=this.p.y||p2.y>this.p.y&&p1.y<=this.p.y){var x1=p1.x-this.p.x;var y1=p1.y-this.p.y;var x2=p2.x-this.p.x;var y2=p2.y-this.p.y;var xIntSign=jsts.algorithm.RobustDeterminant.signOfDet2x2(x1,y1,x2,y2);if(xIntSign===0){this.isPointOnSegment=true;return}if(y2<y1)xIntSign=-xIntSign;if(xIntSign>0){this.crossingCount++}}};jsts.algorithm.RayCrossingCounter.prototype.isOnSegment=function(){return jsts.geom.isPointOnSegment};jsts.algorithm.RayCrossingCounter.prototype.getLocation=function(){if(this.isPointOnSegment)return jsts.geom.Location.BOUNDARY;if(this.crossingCount%2===1){return jsts.geom.Location.INTERIOR}return jsts.geom.Location.EXTERIOR};jsts.algorithm.RayCrossingCounter.prototype.isPointInPolygon=function(){return this.getLocation()!==jsts.geom.Location.EXTERIOR};jsts.operation.BoundaryOp=function(geom,bnRule){this.geom=geom;this.geomFact=geom.getFactory();this.bnRule=bnRule||jsts.algorithm.BoundaryNodeRule.MOD2_BOUNDARY_RULE};jsts.operation.BoundaryOp.prototype.geom=null;jsts.operation.BoundaryOp.prototype.geomFact=null;jsts.operation.BoundaryOp.prototype.bnRule=null;jsts.operation.BoundaryOp.prototype.getBoundary=function(){if(this.geom instanceof jsts.geom.LineString)return this.boundaryLineString(this.geom);if(this.geom instanceof jsts.geom.MultiLineString)return this.boundaryMultiLineString(this.geom);return this.geom.getBoundary()};jsts.operation.BoundaryOp.prototype.getEmptyMultiPoint=function(){return this.geomFact.createMultiPoint(null)};jsts.operation.BoundaryOp.prototype.boundaryMultiLineString=function(mLine){if(this.geom.isEmpty()){return this.getEmptyMultiPoint()}var bdyPts=this.computeBoundaryCoordinates(mLine);if(bdyPts.length==1){return this.geomFact.createPoint(bdyPts[0])}return this.geomFact.createMultiPoint(bdyPts)};jsts.operation.BoundaryOp.prototype.endpoints=null;jsts.operation.BoundaryOp.prototype.computeBoundaryCoordinates=function(mLine){var i,line,endpoint,bdyPts=[];this.endpoints=[];for(i=0;i<mLine.getNumGeometries();i++){line=mLine.getGeometryN(i);if(line.getNumPoints()==0)continue;this.addEndpoint(line.getCoordinateN(0));this.addEndpoint(line.getCoordinateN(line.getNumPoints()-1))}for(i=0;i<this.endpoints.length;i++){endpoint=this.endpoints[i];if(this.bnRule.isInBoundary(endpoint.count)){bdyPts.push(endpoint.coordinate)}}return bdyPts};jsts.operation.BoundaryOp.prototype.addEndpoint=function(pt){var i,endpoint,found=false;
for(i=0;i<this.endpoints.length;i++){endpoint=this.endpoints[i];if(endpoint.coordinate.equals(pt)){found=true;break}}if(!found){endpoint={};endpoint.coordinate=pt;endpoint.count=0;this.endpoints.push(endpoint)}endpoint.count++};jsts.operation.BoundaryOp.prototype.boundaryLineString=function(line){if(this.geom.isEmpty()){return this.getEmptyMultiPoint()}if(line.isClosed()){var closedEndpointOnBoundary=this.bnRule.isInBoundary(2);if(closedEndpointOnBoundary){return line.getStartPoint()}else{return this.geomFact.createMultiPoint(null)}}return this.geomFact.createMultiPoint([line.getStartPoint(),line.getEndPoint()])};jsts.operation.buffer.OffsetCurveSetBuilder=function(inputGeom,distance,curveBuilder){this.inputGeom=inputGeom;this.distance=distance;this.curveBuilder=curveBuilder;this.curveList=new javascript.util.ArrayList};jsts.operation.buffer.OffsetCurveSetBuilder.prototype.inputGeom=null;jsts.operation.buffer.OffsetCurveSetBuilder.prototype.distance=null;jsts.operation.buffer.OffsetCurveSetBuilder.prototype.curveBuilder=null;jsts.operation.buffer.OffsetCurveSetBuilder.prototype.curveList=null;jsts.operation.buffer.OffsetCurveSetBuilder.prototype.getCurves=function(){this.add(this.inputGeom);return this.curveList};jsts.operation.buffer.OffsetCurveSetBuilder.prototype.addCurve=function(coord,leftLoc,rightLoc){if(coord==null||coord.length<2)return;var e=new jsts.noding.NodedSegmentString(coord,new jsts.geomgraph.Label(0,jsts.geom.Location.BOUNDARY,leftLoc,rightLoc));this.curveList.add(e)};jsts.operation.buffer.OffsetCurveSetBuilder.prototype.add=function(g){if(g.isEmpty())return;if(g instanceof jsts.geom.Polygon)this.addPolygon(g);else if(g instanceof jsts.geom.LineString)this.addLineString(g);else if(g instanceof jsts.geom.Point)this.addPoint(g);else if(g instanceof jsts.geom.MultiPoint)this.addCollection(g);else if(g instanceof jsts.geom.MultiLineString)this.addCollection(g);else if(g instanceof jsts.geom.MultiPolygon)this.addCollection(g);else if(g instanceof jsts.geom.GeometryCollection)this.addCollection(g);else throw new jsts.error.IllegalArgumentError};jsts.operation.buffer.OffsetCurveSetBuilder.prototype.addCollection=function(gc){for(var i=0;i<gc.getNumGeometries();i++){var g=gc.getGeometryN(i);this.add(g)}};jsts.operation.buffer.OffsetCurveSetBuilder.prototype.addPoint=function(p){if(this.distance<=0)return;var coord=p.getCoordinates();var curve=this.curveBuilder.getLineCurve(coord,this.distance);this.addCurve(curve,jsts.geom.Location.EXTERIOR,jsts.geom.Location.INTERIOR)};jsts.operation.buffer.OffsetCurveSetBuilder.prototype.addLineString=function(line){if(this.distance<=0&&!this.curveBuilder.getBufferParameters().isSingleSided())return;var coord=jsts.geom.CoordinateArrays.removeRepeatedPoints(line.getCoordinates());var curve=this.curveBuilder.getLineCurve(coord,this.distance);this.addCurve(curve,jsts.geom.Location.EXTERIOR,jsts.geom.Location.INTERIOR)};jsts.operation.buffer.OffsetCurveSetBuilder.prototype.addPolygon=function(p){var offsetDistance=this.distance;var offsetSide=jsts.geomgraph.Position.LEFT;if(this.distance<0){offsetDistance=-this.distance;offsetSide=jsts.geomgraph.Position.RIGHT}var shell=p.getExteriorRing();var shellCoord=jsts.geom.CoordinateArrays.removeRepeatedPoints(shell.getCoordinates());if(this.distance<0&&this.isErodedCompletely(shell,this.distance))return;if(this.distance<=0&&shellCoord.length<3)return;this.addPolygonRing(shellCoord,offsetDistance,offsetSide,jsts.geom.Location.EXTERIOR,jsts.geom.Location.INTERIOR);for(var i=0;i<p.getNumInteriorRing();i++){var hole=p.getInteriorRingN(i);var holeCoord=jsts.geom.CoordinateArrays.removeRepeatedPoints(hole.getCoordinates());if(this.distance>0&&this.isErodedCompletely(hole,-this.distance))continue;this.addPolygonRing(holeCoord,offsetDistance,jsts.geomgraph.Position.opposite(offsetSide),jsts.geom.Location.INTERIOR,jsts.geom.Location.EXTERIOR)}};jsts.operation.buffer.OffsetCurveSetBuilder.prototype.addPolygonRing=function(coord,offsetDistance,side,cwLeftLoc,cwRightLoc){if(offsetDistance==0&&coord.length<jsts.geom.LinearRing.MINIMUM_VALID_SIZE)return;var leftLoc=cwLeftLoc;var rightLoc=cwRightLoc;if(coord.length>=jsts.geom.LinearRing.MINIMUM_VALID_SIZE&&jsts.algorithm.CGAlgorithms.isCCW(coord)){leftLoc=cwRightLoc;rightLoc=cwLeftLoc;side=jsts.geomgraph.Position.opposite(side)}var curve=this.curveBuilder.getRingCurve(coord,side,offsetDistance);this.addCurve(curve,leftLoc,rightLoc)};jsts.operation.buffer.OffsetCurveSetBuilder.prototype.isErodedCompletely=function(ring,bufferDistance){var ringCoord=ring.getCoordinates();var minDiam=0;if(ringCoord.length<4)return bufferDistance<0;if(ringCoord.length==4)return this.isTriangleErodedCompletely(ringCoord,bufferDistance);var env=ring.getEnvelopeInternal();var envMinDimension=Math.min(env.getHeight(),env.getWidth());if(bufferDistance<0&&2*Math.abs(bufferDistance)>envMinDimension)return true;return false};jsts.operation.buffer.OffsetCurveSetBuilder.prototype.isTriangleErodedCompletely=function(triangleCoord,bufferDistance){var tri=new jsts.geom.Triangle(triangleCoord[0],triangleCoord[1],triangleCoord[2]);var inCentre=tri.inCentre();var distToCentre=jsts.algorithm.CGAlgorithms.distancePointLine(inCentre,tri.p0,tri.p1);return distToCentre<Math.abs(bufferDistance)};jsts.operation.buffer.BufferSubgraph=function(){this.dirEdgeList=new javascript.util.ArrayList;this.nodes=new javascript.util.ArrayList;this.finder=new jsts.operation.buffer.RightmostEdgeFinder};jsts.operation.buffer.BufferSubgraph.prototype.finder=null;jsts.operation.buffer.BufferSubgraph.prototype.dirEdgeList=null;jsts.operation.buffer.BufferSubgraph.prototype.nodes=null;jsts.operation.buffer.BufferSubgraph.prototype.rightMostCoord=null;jsts.operation.buffer.BufferSubgraph.prototype.env=null;jsts.operation.buffer.BufferSubgraph.prototype.getDirectedEdges=function(){return this.dirEdgeList};jsts.operation.buffer.BufferSubgraph.prototype.getNodes=function(){return this.nodes};jsts.operation.buffer.BufferSubgraph.prototype.getEnvelope=function(){if(this.env===null){var edgeEnv=new jsts.geom.Envelope;for(var it=this.dirEdgeList.iterator();it.hasNext();){var dirEdge=it.next();var pts=dirEdge.getEdge().getCoordinates();for(var j=0;j<pts.length-1;j++){edgeEnv.expandToInclude(pts[j])}}this.env=edgeEnv}return this.env};jsts.operation.buffer.BufferSubgraph.prototype.getRightmostCoordinate=function(){return this.rightMostCoord};jsts.operation.buffer.BufferSubgraph.prototype.create=function(node){this.addReachable(node);this.finder.findEdge(this.dirEdgeList);this.rightMostCoord=this.finder.getCoordinate()};jsts.operation.buffer.BufferSubgraph.prototype.addReachable=function(startNode){var nodeStack=[];nodeStack.push(startNode);while(nodeStack.length!==0){var node=nodeStack.pop();this.add(node,nodeStack)}};jsts.operation.buffer.BufferSubgraph.prototype.add=function(node,nodeStack){node.setVisited(true);this.nodes.add(node);for(var i=node.getEdges().iterator();i.hasNext();){var de=i.next();this.dirEdgeList.add(de);var sym=de.getSym();var symNode=sym.getNode();if(!symNode.isVisited())nodeStack.push(symNode)}};jsts.operation.buffer.BufferSubgraph.prototype.clearVisitedEdges=function(){for(var it=this.dirEdgeList.iterator();it.hasNext();){var de=it.next();de.setVisited(false)}};jsts.operation.buffer.BufferSubgraph.prototype.computeDepth=function(outsideDepth){this.clearVisitedEdges();var de=this.finder.getEdge();var n=de.getNode();var label=de.getLabel();de.setEdgeDepths(jsts.geomgraph.Position.RIGHT,outsideDepth);this.copySymDepths(de);this.computeDepths(de)};jsts.operation.buffer.BufferSubgraph.prototype.computeDepths=function(startEdge){var nodesVisited=[];var nodeQueue=[];var startNode=startEdge.getNode();nodeQueue.push(startNode);nodesVisited.push(startNode);startEdge.setVisited(true);while(nodeQueue.length!==0){var n=nodeQueue.shift();nodesVisited.push(n);this.computeNodeDepth(n);for(var i=n.getEdges().iterator();i.hasNext();){var de=i.next();var sym=de.getSym();if(sym.isVisited())continue;var adjNode=sym.getNode();if(nodesVisited.indexOf(adjNode)===-1){nodeQueue.push(adjNode);nodesVisited.push(adjNode)}}}};jsts.operation.buffer.BufferSubgraph.prototype.computeNodeDepth=function(n){var startEdge=null;for(var i=n.getEdges().iterator();i.hasNext();){var de=i.next();if(de.isVisited()||de.getSym().isVisited()){startEdge=de;break}}if(startEdge==null)throw new jsts.error.TopologyError("unable to find edge to compute depths at "+n.getCoordinate());n.getEdges().computeDepths(startEdge);for(var i=n.getEdges().iterator();i.hasNext();){var de=i.next();de.setVisited(true);this.copySymDepths(de)}};jsts.operation.buffer.BufferSubgraph.prototype.copySymDepths=function(de){var sym=de.getSym();sym.setDepth(jsts.geomgraph.Position.LEFT,de.getDepth(jsts.geomgraph.Position.RIGHT));sym.setDepth(jsts.geomgraph.Position.RIGHT,de.getDepth(jsts.geomgraph.Position.LEFT))};jsts.operation.buffer.BufferSubgraph.prototype.findResultEdges=function(){for(var it=this.dirEdgeList.iterator();it.hasNext();){var de=it.next();if(de.getDepth(jsts.geomgraph.Position.RIGHT)>=1&&de.getDepth(jsts.geomgraph.Position.LEFT)<=0&&!de.isInteriorAreaEdge()){de.setInResult(true)}}};jsts.operation.buffer.BufferSubgraph.prototype.compareTo=function(o){var graph=o;if(this.rightMostCoord.x<graph.rightMostCoord.x){return-1}if(this.rightMostCoord.x>graph.rightMostCoord.x){return 1}return 0};jsts.geom.util.GeometryExtracter=function(clz,comps){this.clz=clz;this.comps=comps};jsts.geom.util.GeometryExtracter.prototype=new jsts.geom.GeometryFilter;jsts.geom.util.GeometryExtracter.prototype.clz=null;jsts.geom.util.GeometryExtracter.prototype.comps=null;jsts.geom.util.GeometryExtracter.extract=function(geom,clz,list){list=list||new javascript.util.ArrayList;if(geom instanceof clz){list.add(geom)}else if(geom instanceof jsts.geom.GeometryCollection||geom instanceof jsts.geom.MultiPoint||geom instanceof jsts.geom.MultiLineString||geom instanceof jsts.geom.MultiPolygon){geom.apply(new jsts.geom.util.GeometryExtracter(clz,list))}return list};jsts.geom.util.GeometryExtracter.prototype.filter=function(geom){if(this.clz===null||geom instanceof this.clz){this.comps.add(geom)}};(function(){var OverlayOp=jsts.operation.overlay.OverlayOp;var SnapOverlayOp=jsts.operation.overlay.snap.SnapOverlayOp;var SnapIfNeededOverlayOp=function(g1,g2){this.geom=[];this.geom[0]=g1;this.geom[1]=g2};SnapIfNeededOverlayOp.overlayOp=function(g0,g1,opCode){var op=new SnapIfNeededOverlayOp(g0,g1);return op.getResultGeometry(opCode)};SnapIfNeededOverlayOp.intersection=function(g0,g1){return overlayOp(g0,g1,OverlayOp.INTERSECTION)};SnapIfNeededOverlayOp.union=function(g0,g1){return overlayOp(g0,g1,OverlayOp.UNION)};SnapIfNeededOverlayOp.difference=function(g0,g1){return overlayOp(g0,g1,OverlayOp.DIFFERENCE)};SnapIfNeededOverlayOp.symDifference=function(g0,g1){return overlayOp(g0,g1,OverlayOp.SYMDIFFERENCE)};SnapIfNeededOverlayOp.prototype.geom=null;SnapIfNeededOverlayOp.prototype.getResultGeometry=function(opCode){var result=null;var isSuccess=false;var savedException=null;try{result=OverlayOp.overlayOp(this.geom[0],this.geom[1],opCode);var isValid=true;if(isValid)isSuccess=true}catch(ex){savedException=ex}if(!isSuccess){try{result=SnapOverlayOp.overlayOp(this.geom[0],this.geom[1],opCode)}catch(ex){throw savedException}}return result};jsts.operation.overlay.snap.SnapIfNeededOverlayOp=SnapIfNeededOverlayOp})();(function(){var GeometryExtracter=jsts.geom.util.GeometryExtracter;var CascadedPolygonUnion=jsts.operation.union.CascadedPolygonUnion;var PointGeometryUnion=jsts.operation.union.PointGeometryUnion;var OverlayOp=jsts.operation.overlay.OverlayOp;var SnapIfNeededOverlayOp=jsts.operation.overlay.snap.SnapIfNeededOverlayOp;var ArrayList=javascript.util.ArrayList;jsts.operation.union.UnaryUnionOp=function(geoms,geomFact){this.polygons=new ArrayList;this.lines=new ArrayList;this.points=new ArrayList;if(geomFact){this.geomFact=geomFact}this.extract(geoms)};jsts.operation.union.UnaryUnionOp.union=function(geoms,geomFact){var op=new jsts.operation.union.UnaryUnionOp(geoms,geomFact);return op.union()};jsts.operation.union.UnaryUnionOp.prototype.polygons=null;jsts.operation.union.UnaryUnionOp.prototype.lines=null;jsts.operation.union.UnaryUnionOp.prototype.points=null;jsts.operation.union.UnaryUnionOp.prototype.geomFact=null;jsts.operation.union.UnaryUnionOp.prototype.extract=function(geoms){if(geoms instanceof ArrayList){for(var i=geoms.iterator();i.hasNext();){var geom=i.next();this.extract(geom)}}else{if(this.geomFact===null){this.geomFact=geoms.getFactory()}GeometryExtracter.extract(geoms,jsts.geom.Polygon,this.polygons);GeometryExtracter.extract(geoms,jsts.geom.LineString,this.lines);GeometryExtracter.extract(geoms,jsts.geom.Point,this.points)}};jsts.operation.union.UnaryUnionOp.prototype.union=function(){if(this.geomFact===null){return null}var unionPoints=null;if(this.points.size()>0){var ptGeom=this.geomFact.buildGeometry(this.points);unionPoints=this.unionNoOpt(ptGeom)}var unionLines=null;if(this.lines.size()>0){var lineGeom=this.geomFact.buildGeometry(this.lines);unionLines=this.unionNoOpt(lineGeom)}var unionPolygons=null;if(this.polygons.size()>0){unionPolygons=CascadedPolygonUnion.union(this.polygons)}var unionLA=this.unionWithNull(unionLines,unionPolygons);var union=null;if(unionPoints===null){union=unionLA}else if(unionLA===null){union=unionPoints}else{union=PointGeometryUnion(unionPoints,unionLA)}if(union===null){return this.geomFact.createGeometryCollection(null)}return union};jsts.operation.union.UnaryUnionOp.prototype.unionWithNull=function(g0,g1){if(g0===null&&g1===null){return null}if(g1===null){return g0}if(g0===null){return g1}return g0.union(g1)};jsts.operation.union.UnaryUnionOp.prototype.unionNoOpt=function(g0){var empty=this.geomFact.createPoint(null);return SnapIfNeededOverlayOp.overlayOp(g0,empty,OverlayOp.UNION)}})();jsts.index.kdtree.KdNode=function(){this.left=null;this.right=null;this.count=1;if(arguments.length===2){this.initializeFromCoordinate.apply(this,arguments[0],arguments[1])}else if(arguments.length===3){this.initializeFromXY.apply(this,arguments[0],arguments[1],arguments[2])}};jsts.index.kdtree.KdNode.prototype.initializeFromXY=function(x,y,data){this.p=new jsts.geom.Coordinate(x,y);this.data=data};jsts.index.kdtree.KdNode.prototype.initializeFromCoordinate=function(p,data){this.p=p;this.data=data};jsts.index.kdtree.KdNode.prototype.getX=function(){return this.p.x};jsts.index.kdtree.KdNode.prototype.getY=function(){return this.p.y};jsts.index.kdtree.KdNode.prototype.getCoordinate=function(){return this.p};jsts.index.kdtree.KdNode.prototype.getData=function(){return this.data};jsts.index.kdtree.KdNode.prototype.getLeft=function(){return this.left};jsts.index.kdtree.KdNode.prototype.getRight=function(){return this.right};jsts.index.kdtree.KdNode.prototype.increment=function(){this.count+=1};jsts.index.kdtree.KdNode.prototype.getCount=function(){return this.count};jsts.index.kdtree.KdNode.prototype.isRepeated=function(){return count>1};jsts.index.kdtree.KdNode.prototype.setLeft=function(left){this.left=left};jsts.index.kdtree.KdNode.prototype.setRight=function(right){this.right=right};jsts.algorithm.InteriorPointPoint=function(geometry){this.minDistance=Number.MAX_VALUE;this.interiorPoint=null;this.centroid=geometry.getCentroid().getCoordinate();this.add(geometry)};jsts.algorithm.InteriorPointPoint.prototype.add=function(geometry){if(geometry instanceof jsts.geom.Point){this.addPoint(geometry.getCoordinate())}else if(geometry instanceof jsts.geom.GeometryCollection){for(var i=0;i<geometry.getNumGeometries();i++){this.add(geometry.getGeometryN(i))}}};jsts.algorithm.InteriorPointPoint.prototype.addPoint=function(point){var dist=point.distance(this.centroid);if(dist<this.minDistance){this.interiorPoint=new jsts.geom.Coordinate(point);this.minDistance=dist}};jsts.algorithm.InteriorPointPoint.prototype.getInteriorPoint=function(){return this.interiorPoint};(function(){jsts.geom.MultiLineString=function(geometries,factory){this.geometries=geometries||[];this.factory=factory};jsts.geom.MultiLineString.prototype=new jsts.geom.GeometryCollection;jsts.geom.MultiLineString.constructor=jsts.geom.MultiLineString;jsts.geom.MultiLineString.prototype.getBoundary=function(){return new jsts.operation.BoundaryOp(this).getBoundary()};jsts.geom.MultiLineString.prototype.equalsExact=function(other,tolerance){if(!this.isEquivalentClass(other)){return false}return jsts.geom.GeometryCollection.prototype.equalsExact.call(this,other,tolerance)};jsts.geom.MultiLineString.prototype.CLASS_NAME="jsts.geom.MultiLineString"})();(function(){var Interval=jsts.index.bintree.Interval;var Root=jsts.index.bintree.Root;var Bintree=function(){this.root=new Root;this.minExtent=1};Bintree.ensureExtent=function(itemInterval,minExtent){var min,max;min=itemInterval.getMin();max=itemInterval.getMax();if(min!==max){return itemInterval}if(min===max){min=min-minExtent/2;max=min+minExtent/2}return new Interval(min,max)};Bintree.prototype.depth=function(){if(this.root!==null){return this.root.depth()}return 0};Bintree.prototype.size=function(){if(this.root!==null){return this.root.size()}return 0};Bintree.prototype.nodeSize=function(){if(this.root!==null){return this.root.nodeSize()}return 0};Bintree.prototype.insert=function(itemInterval,item){this.collectStats(itemInterval);var insertInterval=Bintree.ensureExtent(itemInterval,this.minExtent);this.root.insert(insertInterval,item)};Bintree.prototype.remove=function(itemInterval,item){var insertInterval=Bintree.ensureExtent(itemInterval,this.minExtent);return this.root.remove(insertInterval,item)};Bintree.prototype.iterator=function(){var foundItems=new javascript.util.ArrayList;this.root.addAllItems(foundItems);return foundItems.iterator()};Bintree.prototype.query=function(){if(arguments.length===2){this.queryAndAdd(arguments[0],arguments[1])}else{var x=arguments[0];if(!x instanceof Interval){x=new Interval(x,x)}return this.queryInterval(x)}};Bintree.prototype.queryInterval=function(interval){var foundItems=new javascript.util.ArrayList;this.query(interval,foundItems);return foundItems};Bintree.prototype.queryAndAdd=function(interval,foundItems){this.root.addAllItemsFromOverlapping(interval,foundItems)};Bintree.prototype.collectStats=function(interval){var del=interval.getWidth();if(del<this.minExtent&&del>0){this.minExtent=del}};jsts.index.bintree.Bintree=Bintree})();jsts.algorithm.InteriorPointArea=function(geometry){this.factory;this.interiorPoint=null;this.maxWidth=0;this.factory=geometry.getFactory();this.add(geometry)};jsts.algorithm.InteriorPointArea.avg=function(a,b){return(a+b)/2};jsts.algorithm.InteriorPointArea.prototype.getInteriorPoint=function(){return this.interiorPoint};jsts.algorithm.InteriorPointArea.prototype.add=function(geometry){if(geometry instanceof jsts.geom.Polygon){this.addPolygon(geometry)}else if(geometry instanceof jsts.geom.GeometryCollection){for(var i=0;i<geometry.getNumGeometries();i++){this.add(geometry.getGeometryN(i))}}};jsts.algorithm.InteriorPointArea.prototype.addPolygon=function(geometry){if(geometry.isEmpty()){return}var intPt;var width=0;var bisector=this.horizontalBisector(geometry);if(bisector.getLength()==0){width=0;intPt=bisector.getCoordinate()}else{var intersections=bisector.intersection(geometry);var widestIntersection=this.widestGeometry(intersections);width=widestIntersection.getEnvelopeInternal().getWidth();intPt=this.centre(widestIntersection.getEnvelopeInternal())}if(this.interiorPoint==null||width>this.maxWidth){this.interiorPoint=intPt;this.maxWidth=width}};jsts.algorithm.InteriorPointArea.prototype.widestGeometry=function(obj){if(obj instanceof jsts.geom.GeometryCollection){var gc=obj;if(gc.isEmpty()){return gc}var widestGeometry=gc.getGeometryN(0);for(var i=1;i<gc.getNumGeometries();i++){if(gc.getGeometryN(i).getEnvelopeInternal().getWidth()>widestGeometry.getEnvelopeInternal().getWidth()){widestGeometry=gc.getGeometryN(i)}}return widestGeometry}else if(obj instanceof jsts.geom.Geometry){return obj}};jsts.algorithm.InteriorPointArea.prototype.horizontalBisector=function(geometry){var envelope=geometry.getEnvelopeInternal();var bisectY=jsts.algorithm.SafeBisectorFinder.getBisectorY(geometry);return this.factory.createLineString([new jsts.geom.Coordinate(envelope.getMinX(),bisectY),new jsts.geom.Coordinate(envelope.getMaxX(),bisectY)])};jsts.algorithm.InteriorPointArea.prototype.centre=function(envelope){return new jsts.geom.Coordinate(jsts.algorithm.InteriorPointArea.avg(envelope.getMinX(),envelope.getMaxX()),jsts.algorithm.InteriorPointArea.avg(envelope.getMinY(),envelope.getMaxY()))};jsts.algorithm.SafeBisectorFinder=function(poly){this.poly;this.centreY;this.hiY=Number.MAX_VALUE;this.loY=-Number.MAX_VALUE;this.poly=poly;this.hiY=poly.getEnvelopeInternal().getMaxY();this.loY=poly.getEnvelopeInternal().getMinY();this.centreY=jsts.algorithm.InteriorPointArea.avg(this.loY,this.hiY)};jsts.algorithm.SafeBisectorFinder.getBisectorY=function(poly){var finder=new jsts.algorithm.SafeBisectorFinder(poly);return finder.getBisectorY()};jsts.algorithm.SafeBisectorFinder.prototype.getBisectorY=function(){this.process(this.poly.getExteriorRing());for(var i=0;i<this.poly.getNumInteriorRing();i++){this.process(this.poly.getInteriorRingN(i))}var bisectY=jsts.algorithm.InteriorPointArea.avg(this.hiY,this.loY);return bisectY};jsts.algorithm.SafeBisectorFinder.prototype.process=function(line){var seq=line.getCoordinateSequence();for(var i=0;i<seq.length;i++){var y=seq[i].y;this.updateInterval(y)}};jsts.algorithm.SafeBisectorFinder.prototype.updateInterval=function(y){if(y<=this.centreY){if(y>this.loY){this.loY=y}}else if(y>this.centreY){if(y<this.hiY){this.hiY=y}}};jsts.operation.buffer.BufferParameters=function(quadrantSegments,endCapStyle,joinStyle,mitreLimit){if(quadrantSegments)this.setQuadrantSegments(quadrantSegments);if(endCapStyle)this.setEndCapStyle(endCapStyle);if(joinStyle)this.setJoinStyle(joinStyle);if(mitreLimit)this.setMitreLimit(mitreLimit)};jsts.operation.buffer.BufferParameters.CAP_ROUND=1;jsts.operation.buffer.BufferParameters.CAP_FLAT=2;jsts.operation.buffer.BufferParameters.CAP_SQUARE=3;jsts.operation.buffer.BufferParameters.JOIN_ROUND=1;jsts.operation.buffer.BufferParameters.JOIN_MITRE=2;jsts.operation.buffer.BufferParameters.JOIN_BEVEL=3;jsts.operation.buffer.BufferParameters.DEFAULT_QUADRANT_SEGMENTS=8;jsts.operation.buffer.BufferParameters.DEFAULT_MITRE_LIMIT=5;jsts.operation.buffer.BufferParameters.prototype.quadrantSegments=jsts.operation.buffer.BufferParameters.DEFAULT_QUADRANT_SEGMENTS;jsts.operation.buffer.BufferParameters.prototype.endCapStyle=jsts.operation.buffer.BufferParameters.CAP_ROUND;jsts.operation.buffer.BufferParameters.prototype.joinStyle=jsts.operation.buffer.BufferParameters.JOIN_ROUND;jsts.operation.buffer.BufferParameters.prototype.mitreLimit=jsts.operation.buffer.BufferParameters.DEFAULT_MITRE_LIMIT;jsts.operation.buffer.BufferParameters.prototype._isSingleSided=false;jsts.operation.buffer.BufferParameters.prototype.getQuadrantSegments=function(){return this.quadrantSegments};jsts.operation.buffer.BufferParameters.prototype.setQuadrantSegments=function(quadrantSegments){this.quadrantSegments=quadrantSegments};jsts.operation.buffer.BufferParameters.prototype.setQuadrantSegments=function(quadSegs){this.quadrantSegments=quadSegs;if(this.quadrantSegments===0)this.joinStyle=jsts.operation.buffer.BufferParameters.JOIN_BEVEL;if(this.quadrantSegments<0){this.joinStyle=jsts.operation.buffer.BufferParameters.JOIN_MITRE;this.mitreLimit=Math.abs(this.quadrantSegments)}if(quadSegs<=0){this.quadrantSegments=1}if(this.joinStyle!==jsts.operation.buffer.BufferParameters.JOIN_ROUND){this.quadrantSegments=jsts.operation.buffer.BufferParameters.DEFAULT_QUADRANT_SEGMENTS}};jsts.operation.buffer.BufferParameters.bufferDistanceError=function(quadSegs){var alpha=Math.PI/2/quadSegs;return 1-Math.cos(alpha/2)};jsts.operation.buffer.BufferParameters.prototype.getEndCapStyle=function(){return this.endCapStyle};jsts.operation.buffer.BufferParameters.prototype.setEndCapStyle=function(endCapStyle){this.endCapStyle=endCapStyle};jsts.operation.buffer.BufferParameters.prototype.getJoinStyle=function(){return this.joinStyle};jsts.operation.buffer.BufferParameters.prototype.setJoinStyle=function(joinStyle){this.joinStyle=joinStyle};jsts.operation.buffer.BufferParameters.prototype.getMitreLimit=function(){return this.mitreLimit};jsts.operation.buffer.BufferParameters.prototype.setMitreLimit=function(mitreLimit){this.mitreLimit=mitreLimit};jsts.operation.buffer.BufferParameters.prototype.setSingleSided=function(isSingleSided){this._isSingleSided=isSingleSided};jsts.operation.buffer.BufferParameters.prototype.isSingleSided=function(){return this._isSingleSided};jsts.operation.buffer.BufferBuilder=function(bufParams){this.bufParams=bufParams;this.edgeList=new jsts.geomgraph.EdgeList};jsts.operation.buffer.BufferBuilder.depthDelta=function(label){var lLoc=label.getLocation(0,jsts.geomgraph.Position.LEFT);var rLoc=label.getLocation(0,jsts.geomgraph.Position.RIGHT);if(lLoc===jsts.geom.Location.INTERIOR&&rLoc===jsts.geom.Location.EXTERIOR)return 1;else if(lLoc===jsts.geom.Location.EXTERIOR&&rLoc===jsts.geom.Location.INTERIOR)return-1;return 0};jsts.operation.buffer.BufferBuilder.prototype.bufParams=null;jsts.operation.buffer.BufferBuilder.prototype.workingPrecisionModel=null;jsts.operation.buffer.BufferBuilder.prototype.workingNoder=null;jsts.operation.buffer.BufferBuilder.prototype.geomFact=null;jsts.operation.buffer.BufferBuilder.prototype.graph=null;jsts.operation.buffer.BufferBuilder.prototype.edgeList=null;jsts.operation.buffer.BufferBuilder.prototype.setWorkingPrecisionModel=function(pm){this.workingPrecisionModel=pm};jsts.operation.buffer.BufferBuilder.prototype.setNoder=function(noder){this.workingNoder=noder};jsts.operation.buffer.BufferBuilder.prototype.buffer=function(g,distance){var precisionModel=this.workingPrecisionModel;if(precisionModel===null)precisionModel=g.getPrecisionModel();this.geomFact=g.getFactory();var curveBuilder=new jsts.operation.buffer.OffsetCurveBuilder(precisionModel,this.bufParams);var curveSetBuilder=new jsts.operation.buffer.OffsetCurveSetBuilder(g,distance,curveBuilder);var bufferSegStrList=curveSetBuilder.getCurves();if(bufferSegStrList.size()<=0){return this.createEmptyResultGeometry()}this.computeNodedEdges(bufferSegStrList,precisionModel);this.graph=new jsts.geomgraph.PlanarGraph(new jsts.operation.overlay.OverlayNodeFactory);this.graph.addEdges(this.edgeList.getEdges());var subgraphList=this.createSubgraphs(this.graph);var polyBuilder=new jsts.operation.overlay.PolygonBuilder(this.geomFact);this.buildSubgraphs(subgraphList,polyBuilder);var resultPolyList=polyBuilder.getPolygons();if(resultPolyList.size()<=0){return this.createEmptyResultGeometry()}var resultGeom=this.geomFact.buildGeometry(resultPolyList);return resultGeom};jsts.operation.buffer.BufferBuilder.prototype.getNoder=function(precisionModel){if(this.workingNoder!==null)return this.workingNoder;var noder=new jsts.noding.MCIndexNoder;var li=new jsts.algorithm.RobustLineIntersector;li.setPrecisionModel(precisionModel);noder.setSegmentIntersector(new jsts.noding.IntersectionAdder(li));return noder};jsts.operation.buffer.BufferBuilder.prototype.computeNodedEdges=function(bufferSegStrList,precisionModel){var noder=this.getNoder(precisionModel);noder.computeNodes(bufferSegStrList);var nodedSegStrings=noder.getNodedSubstrings();for(var i=nodedSegStrings.iterator();i.hasNext();){var segStr=i.next();var oldLabel=segStr.getData();var edge=new jsts.geomgraph.Edge(segStr.getCoordinates(),new jsts.geomgraph.Label(oldLabel));this.insertUniqueEdge(edge)}};jsts.operation.buffer.BufferBuilder.prototype.insertUniqueEdge=function(e){var existingEdge=this.edgeList.findEqualEdge(e);if(existingEdge!=null){var existingLabel=existingEdge.getLabel();var labelToMerge=e.getLabel();if(!existingEdge.isPointwiseEqual(e)){labelToMerge=new jsts.geomgraph.Label(e.getLabel());labelToMerge.flip()}existingLabel.merge(labelToMerge);var mergeDelta=jsts.operation.buffer.BufferBuilder.depthDelta(labelToMerge);var existingDelta=existingEdge.getDepthDelta();var newDelta=existingDelta+mergeDelta;existingEdge.setDepthDelta(newDelta)}else{this.edgeList.add(e);e.setDepthDelta(jsts.operation.buffer.BufferBuilder.depthDelta(e.getLabel()))}};jsts.operation.buffer.BufferBuilder.prototype.createSubgraphs=function(graph){var subgraphList=[];for(var i=graph.getNodes().iterator();i.hasNext();){var node=i.next();if(!node.isVisited()){var subgraph=new jsts.operation.buffer.BufferSubgraph;subgraph.create(node);subgraphList.push(subgraph)}}var compare=function(a,b){return a.compareTo(b)};subgraphList.sort(compare);subgraphList.reverse();return subgraphList};jsts.operation.buffer.BufferBuilder.prototype.buildSubgraphs=function(subgraphList,polyBuilder){var processedGraphs=[];for(var i=0;i<subgraphList.length;i++){var subgraph=subgraphList[i];var p=subgraph.getRightmostCoordinate();var locater=new jsts.operation.buffer.SubgraphDepthLocater(processedGraphs);var outsideDepth=locater.getDepth(p);subgraph.computeDepth(outsideDepth);subgraph.findResultEdges();processedGraphs.push(subgraph);polyBuilder.add(subgraph.getDirectedEdges(),subgraph.getNodes())}};jsts.operation.buffer.BufferBuilder.convertSegStrings=function(it){var fact=new jsts.geom.GeometryFactory;var lines=new javascript.util.ArrayList;while(it.hasNext()){var ss=it.next();var line=fact.createLineString(ss.getCoordinates());lines.add(line)}return fact.buildGeometry(lines)};jsts.operation.buffer.BufferBuilder.prototype.createEmptyResultGeometry=function(){var emptyGeom=this.geomFact.createPolygon(null,null);return emptyGeom};jsts.noding.SegmentPointComparator=function(){};jsts.noding.SegmentPointComparator.compare=function(octant,p0,p1){if(p0.equals2D(p1))return 0;var xSign=jsts.noding.SegmentPointComparator.relativeSign(p0.x,p1.x);var ySign=jsts.noding.SegmentPointComparator.relativeSign(p0.y,p1.y);switch(octant){case 0:return jsts.noding.SegmentPointComparator.compareValue(xSign,ySign);case 1:return jsts.noding.SegmentPointComparator.compareValue(ySign,xSign);case 2:return jsts.noding.SegmentPointComparator.compareValue(ySign,-xSign);case 3:return jsts.noding.SegmentPointComparator.compareValue(-xSign,ySign);case 4:return jsts.noding.SegmentPointComparator.compareValue(-xSign,-ySign);case 5:return jsts.noding.SegmentPointComparator.compareValue(-ySign,-xSign);case 6:return jsts.noding.SegmentPointComparator.compareValue(-ySign,xSign);case 7:return jsts.noding.SegmentPointComparator.compareValue(xSign,-ySign)}return 0};jsts.noding.SegmentPointComparator.relativeSign=function(x0,x1){if(x0<x1)return-1;if(x0>x1)return 1;return 0};jsts.noding.SegmentPointComparator.compareValue=function(compareSign0,compareSign1){if(compareSign0<0)return-1;if(compareSign0>0)return 1;if(compareSign1<0)return-1;if(compareSign1>0)return 1;return 0};jsts.operation.relate.RelateOp=function(){jsts.operation.GeometryGraphOperation.apply(this,arguments);this._relate=new jsts.operation.relate.RelateComputer(this.arg)};jsts.operation.relate.RelateOp.prototype=new jsts.operation.GeometryGraphOperation;jsts.operation.relate.RelateOp.relate=function(a,b,boundaryNodeRule){var relOp=new jsts.operation.relate.RelateOp(a,b,boundaryNodeRule);var im=relOp.getIntersectionMatrix();return im};jsts.operation.relate.RelateOp.prototype._relate=null;jsts.operation.relate.RelateOp.prototype.getIntersectionMatrix=function(){return this._relate.computeIM()};jsts.index.chain.MonotoneChain=function(pts,start,end,context){this.pts=pts;this.start=start;this.end=end;this.context=context};jsts.index.chain.MonotoneChain.prototype.pts=null;jsts.index.chain.MonotoneChain.prototype.start=null;jsts.index.chain.MonotoneChain.prototype.end=null;jsts.index.chain.MonotoneChain.prototype.env=null;jsts.index.chain.MonotoneChain.prototype.context=null;jsts.index.chain.MonotoneChain.prototype.id=null;jsts.index.chain.MonotoneChain.prototype.setId=function(id){this.id=id
};jsts.index.chain.MonotoneChain.prototype.getId=function(){return this.id};jsts.index.chain.MonotoneChain.prototype.getContext=function(){return this.context};jsts.index.chain.MonotoneChain.prototype.getEnvelope=function(){if(this.env==null){var p0=this.pts[this.start];var p1=this.pts[this.end];this.env=new jsts.geom.Envelope(p0,p1)}return this.env};jsts.index.chain.MonotoneChain.prototype.getStartIndex=function(){return this.start};jsts.index.chain.MonotoneChain.prototype.getEndIndex=function(){return this.end};jsts.index.chain.MonotoneChain.prototype.getLineSegment=function(index,ls){ls.p0=this.pts[index];ls.p1=this.pts[index+1]};jsts.index.chain.MonotoneChain.prototype.getCoordinates=function(){var coord=[];var index=0;for(var i=this.start;i<=this.end;i++){coord[index++]=this.pts[i]}return coord};jsts.index.chain.MonotoneChain.prototype.select=function(searchEnv,mcs){this.computeSelect2(searchEnv,this.start,this.end,mcs)};jsts.index.chain.MonotoneChain.prototype.computeSelect2=function(searchEnv,start0,end0,mcs){var p0=this.pts[start0];var p1=this.pts[end0];mcs.tempEnv1.init(p0,p1);if(end0-start0===1){mcs.select(this,start0);return}if(!searchEnv.intersects(mcs.tempEnv1))return;var mid=parseInt((start0+end0)/2);if(start0<mid){this.computeSelect2(searchEnv,start0,mid,mcs)}if(mid<end0){this.computeSelect2(searchEnv,mid,end0,mcs)}};jsts.index.chain.MonotoneChain.prototype.computeOverlaps=function(mc,mco){if(arguments.length===6){return this.computeOverlaps2.apply(this,arguments)}this.computeOverlaps2(this.start,this.end,mc,mc.start,mc.end,mco)};jsts.index.chain.MonotoneChain.prototype.computeOverlaps2=function(start0,end0,mc,start1,end1,mco){var p00=this.pts[start0];var p01=this.pts[end0];var p10=mc.pts[start1];var p11=mc.pts[end1];if(end0-start0===1&&end1-start1===1){mco.overlap(this,start0,mc,start1);return}mco.tempEnv1.init(p00,p01);mco.tempEnv2.init(p10,p11);if(!mco.tempEnv1.intersects(mco.tempEnv2))return;var mid0=parseInt((start0+end0)/2);var mid1=parseInt((start1+end1)/2);if(start0<mid0){if(start1<mid1)this.computeOverlaps2(start0,mid0,mc,start1,mid1,mco);if(mid1<end1)this.computeOverlaps2(start0,mid0,mc,mid1,end1,mco)}if(mid0<end0){if(start1<mid1)this.computeOverlaps2(mid0,end0,mc,start1,mid1,mco);if(mid1<end1)this.computeOverlaps2(mid0,end0,mc,mid1,end1,mco)}};jsts.algorithm.HCoordinate=function(){this.x=0;this.y=0;this.w=1;if(arguments.length===1){this.initFrom1Coordinate(arguments[0])}else if(arguments.length===2&&arguments[0]instanceof jsts.geom.Coordinate){this.initFrom2Coordinates(arguments[0],arguments[1])}else if(arguments.length===2&&arguments[0]instanceof jsts.algorithm.HCoordinate){this.initFrom2HCoordinates(arguments[0],arguments[1])}else if(arguments.length===2){this.initFromXY(arguments[0],arguments[1])}else if(arguments.length===3){this.initFromXYW(arguments[0],arguments[1],arguments[2])}else if(arguments.length===4){this.initFromXYW(arguments[0],arguments[1],arguments[2],arguments[3])}};jsts.algorithm.HCoordinate.intersection=function(p1,p2,q1,q2){var px,py,pw,qx,qy,qw,x,y,w,xInt,yInt;px=p1.y-p2.y;py=p2.x-p1.x;pw=p1.x*p2.y-p2.x*p1.y;qx=q1.y-q2.y;qy=q2.x-q1.x;qw=q1.x*q2.y-q2.x*q1.y;x=py*qw-qy*pw;y=qx*pw-px*qw;w=px*qy-qx*py;xInt=x/w;yInt=y/w;if(!isFinite(xInt)||!isFinite(yInt)){throw new jsts.error.NotRepresentableError}return new jsts.geom.Coordinate(xInt,yInt)};jsts.algorithm.HCoordinate.prototype.initFrom1Coordinate=function(p){this.x=p.x;this.y=p.y;this.w=1};jsts.algorithm.HCoordinate.prototype.initFrom2Coordinates=function(p1,p2){this.x=p1.y-p2.y;this.y=p2.x-p1.x;this.w=p1.x*p2.y-p2.x*p1.y};jsts.algorithm.HCoordinate.prototype.initFrom2HCoordinates=function(p1,p2){this.x=p1.y*p2.w-p2.y*p1.w;this.y=p2.x*p1.w-p1.x*p2.w;this.w=p1.x*p2.y-p2.x*p1.y};jsts.algorithm.HCoordinate.prototype.initFromXYW=function(x,y,w){this.x=x;this.y=y;this.w=w};jsts.algorithm.HCoordinate.prototype.initFromXY=function(x,y){this.x=x;this.y=y;this.w=1};jsts.algorithm.HCoordinate.prototype.initFrom4Coordinates=function(p1,p2,q1,q2){var px,py,pw,qx,qy,qw;px=p1.y-p2.y;py=p2.x-p1.x;pw=p1.x*p2.y-p2.x*p1.y;qx=q1.y-q2.y;qy=q2.x-q1.x;qw=q1.x*q2.y-q2.x*q1.y;this.x=py*qw-qy*pw;this.y=qx*pw-px*qw;this.w=px*qy-qx*py};jsts.algorithm.HCoordinate.prototype.getX=function(){var a=this.x/this.w;if(!isFinite(a)){throw new jsts.error.NotRepresentableError}return a};jsts.algorithm.HCoordinate.prototype.getY=function(){var a=this.y/this.w;if(!isFinite(a)){throw new jsts.error.NotRepresentableError}return a};jsts.algorithm.HCoordinate.prototype.getCoordinate=function(){var p=new jsts.geom.Coordinate;p.x=this.getX();p.y=this.getY();return p};(function(){var Location=jsts.geom.Location;var Dimension=jsts.geom.Dimension;jsts.geom.IntersectionMatrix=function(elements){var other=elements;if(elements===undefined||elements===null){this.matrix=[[],[],[]];this.setAll(Dimension.FALSE)}else if(typeof elements==="string"){this.set(elements)}else if(other instanceof jsts.geom.IntersectionMatrix){this.matrix[Location.INTERIOR][Location.INTERIOR]=other.matrix[Location.INTERIOR][Location.INTERIOR];this.matrix[Location.INTERIOR][Location.BOUNDARY]=other.matrix[Location.INTERIOR][Location.BOUNDARY];this.matrix[Location.INTERIOR][Location.EXTERIOR]=other.matrix[Location.INTERIOR][Location.EXTERIOR];this.matrix[Location.BOUNDARY][Location.INTERIOR]=other.matrix[Location.BOUNDARY][Location.INTERIOR];this.matrix[Location.BOUNDARY][Location.BOUNDARY]=other.matrix[Location.BOUNDARY][Location.BOUNDARY];this.matrix[Location.BOUNDARY][Location.EXTERIOR]=other.matrix[Location.BOUNDARY][Location.EXTERIOR];this.matrix[Location.EXTERIOR][Location.INTERIOR]=other.matrix[Location.EXTERIOR][Location.INTERIOR];this.matrix[Location.EXTERIOR][Location.BOUNDARY]=other.matrix[Location.EXTERIOR][Location.BOUNDARY];this.matrix[Location.EXTERIOR][Location.EXTERIOR]=other.matrix[Location.EXTERIOR][Location.EXTERIOR]}};jsts.geom.IntersectionMatrix.prototype.matrix=null;jsts.geom.IntersectionMatrix.prototype.add=function(im){var i,j;for(i=0;i<3;i++){for(j=0;j<3;j++){this.setAtLeast(i,j,im.get(i,j))}}};jsts.geom.IntersectionMatrix.matches=function(actualDimensionValue,requiredDimensionSymbol){if(typeof actualDimensionValue==="string"){return jsts.geom.IntersectionMatrix.matches2.call(this,arguments)}if(requiredDimensionSymbol==="*"){return true}if(requiredDimensionSymbol==="T"&&(actualDimensionValue>=0||actualDimensionValue===Dimension.TRUE)){return true}if(requiredDimensionSymbol==="F"&&actualDimensionValue===Dimension.FALSE){return true}if(requiredDimensionSymbol==="0"&&actualDimensionValue===Dimension.P){return true}if(requiredDimensionSymbol==="1"&&actualDimensionValue===Dimension.L){return true}if(requiredDimensionSymbol==="2"&&actualDimensionValue===Dimension.A){return true}return false};jsts.geom.IntersectionMatrix.matches2=function(actualDimensionSymbols,requiredDimensionSymbols){var m=new jsts.geom.IntersectionMatrix(actualDimensionSymbols);return m.matches(requiredDimensionSymbols)};jsts.geom.IntersectionMatrix.prototype.set=function(row,column,dimensionValue){if(typeof row==="string"){this.set2(row);return}this.matrix[row][column]=dimensionValue};jsts.geom.IntersectionMatrix.prototype.set2=function(dimensionSymbols){for(var i=0;i<dimensionSymbols.length();i++){var row=i/3;var col=i%3;this.matrix[row][col]=Dimension.toDimensionValue(dimensionSymbols.charAt(i))}};jsts.geom.IntersectionMatrix.prototype.setAtLeast=function(row,column,minimumDimensionValue){if(arguments.length===1){this.setAtLeast2(arguments[0]);return}if(this.matrix[row][column]<minimumDimensionValue){this.matrix[row][column]=minimumDimensionValue}};jsts.geom.IntersectionMatrix.prototype.setAtLeastIfValid=function(row,column,minimumDimensionValue){if(row>=0&&column>=0){this.setAtLeast(row,column,minimumDimensionValue)}};jsts.geom.IntersectionMatrix.prototype.setAtLeast2=function(minimumDimensionSymbols){var i;for(i=0;i<minimumDimensionSymbols.length;i++){var row=parseInt(i/3);var col=parseInt(i%3);this.setAtLeast(row,col,jsts.geom.Dimension.toDimensionValue(minimumDimensionSymbols.charAt(i)))}};jsts.geom.IntersectionMatrix.prototype.setAll=function(dimensionValue){var ai,bi;for(ai=0;ai<3;ai++){for(bi=0;bi<3;bi++){this.matrix[ai][bi]=dimensionValue}}};jsts.geom.IntersectionMatrix.prototype.get=function(row,column){return this.matrix[row][column]};jsts.geom.IntersectionMatrix.prototype.isDisjoint=function(){return this.matrix[Location.INTERIOR][Location.INTERIOR]===Dimension.FALSE&&this.matrix[Location.INTERIOR][Location.BOUNDARY]===Dimension.FALSE&&this.matrix[Location.BOUNDARY][Location.INTERIOR]===Dimension.FALSE&&this.matrix[Location.BOUNDARY][Location.BOUNDARY]===Dimension.FALSE};jsts.geom.IntersectionMatrix.prototype.isIntersects=function(){return!this.isDisjoint()};jsts.geom.IntersectionMatrix.prototype.isTouches=function(dimensionOfGeometryA,dimensionOfGeometryB){if(dimensionOfGeometryA>dimensionOfGeometryB){return this.isTouches(dimensionOfGeometryB,dimensionOfGeometryA)}if(dimensionOfGeometryA==Dimension.A&&dimensionOfGeometryB==Dimension.A||dimensionOfGeometryA==Dimension.L&&dimensionOfGeometryB==Dimension.L||dimensionOfGeometryA==Dimension.L&&dimensionOfGeometryB==Dimension.A||dimensionOfGeometryA==Dimension.P&&dimensionOfGeometryB==Dimension.A||dimensionOfGeometryA==Dimension.P&&dimensionOfGeometryB==Dimension.L){return this.matrix[Location.INTERIOR][Location.INTERIOR]===Dimension.FALSE&&(jsts.geom.IntersectionMatrix.matches(this.matrix[Location.INTERIOR][Location.BOUNDARY],"T")||jsts.geom.IntersectionMatrix.matches(this.matrix[Location.BOUNDARY][Location.INTERIOR],"T")||jsts.geom.IntersectionMatrix.matches(this.matrix[Location.BOUNDARY][Location.BOUNDARY],"T"))}return false};jsts.geom.IntersectionMatrix.prototype.isCrosses=function(dimensionOfGeometryA,dimensionOfGeometryB){if(dimensionOfGeometryA==Dimension.P&&dimensionOfGeometryB==Dimension.L||dimensionOfGeometryA==Dimension.P&&dimensionOfGeometryB==Dimension.A||dimensionOfGeometryA==Dimension.L&&dimensionOfGeometryB==Dimension.A){return jsts.geom.IntersectionMatrix.matches(this.matrix[Location.INTERIOR][Location.INTERIOR],"T")&&jsts.geom.IntersectionMatrix.matches(this.matrix[Location.INTERIOR][Location.EXTERIOR],"T")}if(dimensionOfGeometryA==Dimension.L&&dimensionOfGeometryB==Dimension.P||dimensionOfGeometryA==Dimension.A&&dimensionOfGeometryB==Dimension.P||dimensionOfGeometryA==Dimension.A&&dimensionOfGeometryB==Dimension.L){return jsts.geom.IntersectionMatrix.matches(matrix[Location.INTERIOR][Location.INTERIOR],"T")&&jsts.geom.IntersectionMatrix.matches(this.matrix[Location.EXTERIOR][Location.INTERIOR],"T")}if(dimensionOfGeometryA===Dimension.L&&dimensionOfGeometryB===Dimension.L){return this.matrix[Location.INTERIOR][Location.INTERIOR]===0}return false};jsts.geom.IntersectionMatrix.prototype.isWithin=function(){return jsts.geom.IntersectionMatrix.matches(this.matrix[Location.INTERIOR][Location.INTERIOR],"T")&&this.matrix[Location.INTERIOR][Location.EXTERIOR]==Dimension.FALSE&&this.matrix[Location.BOUNDARY][Location.EXTERIOR]==Dimension.FALSE};jsts.geom.IntersectionMatrix.prototype.isContains=function(){return jsts.geom.IntersectionMatrix.matches(this.matrix[Location.INTERIOR][Location.INTERIOR],"T")&&this.matrix[Location.EXTERIOR][Location.INTERIOR]==Dimension.FALSE&&this.matrix[Location.EXTERIOR][Location.BOUNDARY]==Dimension.FALSE};jsts.geom.IntersectionMatrix.prototype.isCovers=function(){var hasPointInCommon=jsts.geom.IntersectionMatrix.matches(this.matrix[Location.INTERIOR][Location.INTERIOR],"T")||jsts.geom.IntersectionMatrix.matches(this.matrix[Location.INTERIOR][Location.BOUNDARY],"T")||jsts.geom.IntersectionMatrix.matches(this.matrix[Location.BOUNDARY][Location.INTERIOR],"T")||jsts.geom.IntersectionMatrix.matches(this.matrix[Location.BOUNDARY][Location.BOUNDARY],"T");return hasPointInCommon&&this.matrix[Location.EXTERIOR][Location.INTERIOR]==Dimension.FALSE&&this.matrix[Location.EXTERIOR][Location.BOUNDARY]==Dimension.FALSE};jsts.geom.IntersectionMatrix.prototype.isCoveredBy=function(){var hasPointInCommon=jsts.geom.IntersectionMatrix.matches(this.matrix[Location.INTERIOR][Location.INTERIOR],"T")||jsts.geom.IntersectionMatrix.matches(this.matrix[Location.INTERIOR][Location.BOUNDARY],"T")||jsts.geom.IntersectionMatrix.matches(this.matrix[Location.BOUNDARY][Location.INTERIOR],"T")||jsts.geom.IntersectionMatrix.matches(this.matrix[Location.BOUNDARY][Location.BOUNDARY],"T");return hasPointInCommon&&this.matrix[Location.INTERIOR][Location.EXTERIOR]===Dimension.FALSE&&this.matrix[Location.BOUNDARY][Location.EXTERIOR]===Dimension.FALSE};jsts.geom.IntersectionMatrix.prototype.isEquals=function(dimensionOfGeometryA,dimensionOfGeometryB){if(dimensionOfGeometryA!==dimensionOfGeometryB){return false}return jsts.geom.IntersectionMatrix.matches(this.matrix[Location.INTERIOR][Location.INTERIOR],"T")&&this.matrix[Location.EXTERIOR][Location.INTERIOR]===Dimension.FALSE&&this.matrix[Location.INTERIOR][Location.EXTERIOR]===Dimension.FALSE&&this.matrix[Location.EXTERIOR][Location.BOUNDARY]===Dimension.FALSE&&this.matrix[Location.BOUNDARY][Location.EXTERIOR]===Dimension.FALSE};jsts.geom.IntersectionMatrix.prototype.isOverlaps=function(dimensionOfGeometryA,dimensionOfGeometryB){if(dimensionOfGeometryA==Dimension.P&&dimensionOfGeometryB===Dimension.P||dimensionOfGeometryA==Dimension.A&&dimensionOfGeometryB===Dimension.A){return jsts.geom.IntersectionMatrix.matches(this.matrix[Location.INTERIOR][Location.INTERIOR],"T")&&jsts.geom.IntersectionMatrix.matches(this.matrix[Location.INTERIOR][Location.EXTERIOR],"T")&&jsts.geom.IntersectionMatrix.matches(this.matrix[Location.EXTERIOR][Location.INTERIOR],"T")}if(dimensionOfGeometryA===Dimension.L&&dimensionOfGeometryB===Dimension.L){return this.matrix[Location.INTERIOR][Location.INTERIOR]==1&&jsts.geom.IntersectionMatrix.matches(this.matrix[Location.INTERIOR][Location.EXTERIOR],"T")&&jsts.geom.IntersectionMatrix.matches(this.matrix[Location.EXTERIOR][Location.INTERIOR],"T")}return false};jsts.geom.IntersectionMatrix.prototype.matches=function(requiredDimensionSymbols){if(requiredDimensionSymbols.length!=9){throw new jsts.error.IllegalArgumentException("Should be length 9: "+requiredDimensionSymbols)}for(var ai=0;ai<3;ai++){for(var bi=0;bi<3;bi++){if(!jsts.geom.IntersectionMatrix.matches(this.matrix[ai][bi],requiredDimensionSymbols.charAt(3*ai+bi))){return false}}}return true};jsts.geom.IntersectionMatrix.prototype.transpose=function(){var temp=matrix[1][0];this.matrix[1][0]=this.matrix[0][1];this.matrix[0][1]=temp;temp=this.matrix[2][0];this.matrix[2][0]=this.matrix[0][2];this.matrix[0][2]=temp;temp=this.matrix[2][1];this.matrix[2][1]=this.matrix[1][2];this.matrix[1][2]=temp;return this};jsts.geom.IntersectionMatrix.prototype.toString=function(){var ai,bi,buf="";for(ai=0;ai<3;ai++){for(bi=0;bi<3;bi++){buf+=Dimension.toDimensionSymbol(this.matrix[ai][bi])}}return buf}})();jsts.triangulate.quadedge.LastFoundQuadEdgeLocator=function(subdiv){this.subdiv=subdiv;this.lastEdge=null;this.init()};jsts.triangulate.quadedge.LastFoundQuadEdgeLocator.prototype.init=function(){this.lastEdge=this.findEdge()};jsts.triangulate.quadedge.LastFoundQuadEdgeLocator.prototype.findEdge=function(){var edges=this.subdiv.getEdges();return edges[0]};jsts.triangulate.quadedge.LastFoundQuadEdgeLocator.prototype.locate=function(v){if(!this.lastEdge.isLive()){this.init()}var e=this.subdiv.locateFromEdge(v,this.lastEdge);this.lastEdge=e;return e};jsts.noding.SegmentNodeList=function(edge){this.nodeMap=new javascript.util.TreeMap;this.edge=edge};jsts.noding.SegmentNodeList.prototype.nodeMap=null;jsts.noding.SegmentNodeList.prototype.iterator=function(){return this.nodeMap.values().iterator()};jsts.noding.SegmentNodeList.prototype.edge=null;jsts.noding.SegmentNodeList.prototype.getEdge=function(){return this.edge};jsts.noding.SegmentNodeList.prototype.add=function(intPt,segmentIndex){var eiNew=new jsts.noding.SegmentNode(this.edge,intPt,segmentIndex,this.edge.getSegmentOctant(segmentIndex));var ei=this.nodeMap.get(eiNew);if(ei!==null){jsts.util.Assert.isTrue(ei.coord.equals2D(intPt),"Found equal nodes with different coordinates");return ei}this.nodeMap.put(eiNew,eiNew);return eiNew};jsts.noding.SegmentNodeList.prototype.addEndpoints=function(){var maxSegIndex=this.edge.size()-1;this.add(this.edge.getCoordinate(0),0);this.add(this.edge.getCoordinate(maxSegIndex),maxSegIndex)};jsts.noding.SegmentNodeList.prototype.addCollapsedNodes=function(){var collapsedVertexIndexes=[];this.findCollapsesFromInsertedNodes(collapsedVertexIndexes);this.findCollapsesFromExistingVertices(collapsedVertexIndexes);for(var i=0;i<collapsedVertexIndexes.length;i++){var vertexIndex=collapsedVertexIndexes[i];this.add(this.edge.getCoordinate(vertexIndex),vertexIndex)}};jsts.noding.SegmentNodeList.prototype.findCollapsesFromExistingVertices=function(collapsedVertexIndexes){for(var i=0;i<this.edge.size()-2;i++){var p0=this.edge.getCoordinate(i);var p1=this.edge.getCoordinate(i+1);var p2=this.edge.getCoordinate(i+2);if(p0.equals2D(p2)){collapsedVertexIndexes.push(i+1)}}};jsts.noding.SegmentNodeList.prototype.findCollapsesFromInsertedNodes=function(collapsedVertexIndexes){var collapsedVertexIndex=[null];var it=this.iterator();var eiPrev=it.next();while(it.hasNext()){var ei=it.next();var isCollapsed=this.findCollapseIndex(eiPrev,ei,collapsedVertexIndex);if(isCollapsed)collapsedVertexIndexes.push(collapsedVertexIndex[0]);eiPrev=ei}};jsts.noding.SegmentNodeList.prototype.findCollapseIndex=function(ei0,ei1,collapsedVertexIndex){if(!ei0.coord.equals2D(ei1.coord))return false;var numVerticesBetween=ei1.segmentIndex-ei0.segmentIndex;if(!ei1.isInterior()){numVerticesBetween--}if(numVerticesBetween===1){collapsedVertexIndex[0]=ei0.segmentIndex+1;return true}return false};jsts.noding.SegmentNodeList.prototype.addSplitEdges=function(edgeList){this.addEndpoints();this.addCollapsedNodes();var it=this.iterator();var eiPrev=it.next();while(it.hasNext()){var ei=it.next();var newEdge=this.createSplitEdge(eiPrev,ei);edgeList.add(newEdge);eiPrev=ei}};jsts.noding.SegmentNodeList.prototype.checkSplitEdgesCorrectness=function(splitEdges){var edgePts=edge.getCoordinates();var split0=splitEdges[0];var pt0=split0.getCoordinate(0);if(!pt0.equals2D(edgePts[0]))throw new Error("bad split edge start point at "+pt0);var splitn=splitEdges[splitEdges.length-1];var splitnPts=splitn.getCoordinates();var ptn=splitnPts[splitnPts.length-1];if(!ptn.equals2D(edgePts[edgePts.length-1]))throw new Error("bad split edge end point at "+ptn)};jsts.noding.SegmentNodeList.prototype.createSplitEdge=function(ei0,ei1){var npts=ei1.segmentIndex-ei0.segmentIndex+2;var lastSegStartPt=this.edge.getCoordinate(ei1.segmentIndex);var useIntPt1=ei1.isInterior()||!ei1.coord.equals2D(lastSegStartPt);if(!useIntPt1){npts--}var pts=[];var ipt=0;pts[ipt++]=new jsts.geom.Coordinate(ei0.coord);for(var i=ei0.segmentIndex+1;i<=ei1.segmentIndex;i++){pts[ipt++]=this.edge.getCoordinate(i)}if(useIntPt1)pts[ipt]=ei1.coord;return new jsts.noding.NodedSegmentString(pts,this.edge.getData())};jsts.io.WKTWriter=function(){this.parser=new jsts.io.WKTParser(this.geometryFactory)};jsts.io.WKTWriter.prototype.write=function(geometry){var wkt=this.parser.write(geometry);return wkt};jsts.io.WKTWriter.toLineString=function(p0,p1){if(arguments.length!==2){throw new jsts.error.NotImplementedError}return"LINESTRING ( "+p0.x+" "+p0.y+", "+p1.x+" "+p1.y+" )"};jsts.io.WKTReader=function(geometryFactory){this.geometryFactory=geometryFactory||new jsts.geom.GeometryFactory;this.precisionModel=this.geometryFactory.getPrecisionModel();this.parser=new jsts.io.WKTParser(this.geometryFactory)};jsts.io.WKTReader.prototype.read=function(wkt){var geometry=this.parser.read(wkt);if(this.precisionModel.getType()===jsts.geom.PrecisionModel.FIXED){this.reducePrecision(geometry)}return geometry};jsts.io.WKTReader.prototype.reducePrecision=function(geometry){var i,len;if(geometry.coordinate){this.precisionModel.makePrecise(geometry.coordinate)}else if(geometry.points){for(i=0,len=geometry.points.length;i<len;i++){this.precisionModel.makePrecise(geometry.points[i])}}else if(geometry.geometries){for(i=0,len=geometry.geometries.length;i<len;i++){this.reducePrecision(geometry.geometries[i])}}};jsts.triangulate.quadedge.QuadEdgeSubdivision=function(env,tolerance){this.tolerance=tolerance;this.edgeCoincidenceTolerance=tolerance/jsts.triangulate.quadedge.QuadEdgeSubdivision.EDGE_COINCIDENCE_TOL_FACTOR;this.visitedKey=0;this.quadEdges=[];this.startingEdge;this.tolerance;this.edgeCoincidenceTolerance;this.frameEnv;this.locator=null;this.seg=new jsts.geom.LineSegment;this.triEdges=new Array(3);this.frameVertex=new Array(3);this.createFrame(env);this.startingEdge=this.initSubdiv();this.locator=new jsts.triangulate.quadedge.LastFoundQuadEdgeLocator(this)};jsts.triangulate.quadedge.QuadEdgeSubdivision.EDGE_COINCIDENCE_TOL_FACTOR=1e3;jsts.triangulate.quadedge.QuadEdgeSubdivision.getTriangleEdges=function(startQE,triEdge){triEdge[0]=startQE;triEdge[1]=triEdge[0].lNext();triEdge[2]=triEdge[1].lNext();if(triEdge[2].lNext()!=triEdge[0]){throw new jsts.IllegalArgumentError("Edges do not form a triangle")}};jsts.triangulate.quadedge.QuadEdgeSubdivision.prototype.createFrame=function(env){var deltaX,deltaY,offset;deltaX=env.getWidth();deltaY=env.getHeight();offset=0;if(deltaX>deltaY){offset=deltaX*10}else{offset=deltaY*10}this.frameVertex[0]=new jsts.triangulate.quadedge.Vertex((env.getMaxX()+env.getMinX())/2,env.getMaxY()+offset);this.frameVertex[1]=new jsts.triangulate.quadedge.Vertex(env.getMinX()-offset,env.getMinY()-offset);this.frameVertex[2]=new jsts.triangulate.quadedge.Vertex(env.getMaxX()+offset,env.getMinY()-offset);this.frameEnv=new jsts.geom.Envelope(this.frameVertex[0].getCoordinate(),this.frameVertex[1].getCoordinate());this.frameEnv.expandToInclude(this.frameVertex[2].getCoordinate())};jsts.triangulate.quadedge.QuadEdgeSubdivision.prototype.initSubdiv=function(){var ea,eb,ec;ea=this.makeEdge(this.frameVertex[0],this.frameVertex[1]);eb=this.makeEdge(this.frameVertex[1],this.frameVertex[2]);jsts.triangulate.quadedge.QuadEdge.splice(ea.sym(),eb);ec=this.makeEdge(this.frameVertex[2],this.frameVertex[0]);jsts.triangulate.quadedge.QuadEdge.splice(eb.sym(),ec);jsts.triangulate.quadedge.QuadEdge.splice(ec.sym(),ea);return ea};jsts.triangulate.quadedge.QuadEdgeSubdivision.prototype.getTolerance=function(){return this.tolerance};jsts.triangulate.quadedge.QuadEdgeSubdivision.prototype.getEnvelope=function(){return new jsts.geom.Envelope(this.frameEnv)};jsts.triangulate.quadedge.QuadEdgeSubdivision.prototype.getEdges=function(){if(arguments.length>0){return this.getEdgesByFactory(arguments[0])}else{return this.quadEdges}};jsts.triangulate.quadedge.QuadEdgeSubdivision.prototype.setLocator=function(locator){this.locator=locator};jsts.triangulate.quadedge.QuadEdgeSubdivision.prototype.makeEdge=function(o,d){var q=jsts.triangulate.quadedge.QuadEdge.makeEdge(o,d);this.quadEdges.push(q);return q};jsts.triangulate.quadedge.QuadEdgeSubdivision.prototype.connect=function(a,b){var q=jsts.triangulate.quadedge.QuadEdge.connect(a,b);this.quadEdges.push(q);return q};jsts.triangulate.quadedge.QuadEdgeSubdivision.prototype.delete_jsts=function(e){jsts.triangulate.quadedge.QuadEdge.splice(e,e.oPrev());jsts.triangulate.quadedge.QuadEdge.splice(e.sym(),e.sym().oPrev());var eSym,eRot,eRotSym;e.eSym=e.sym();eRot=e.rot;eRotSym=e.rot.sym();var idx=this.quadEdges.indexOf(e);if(idx!==-1){this.quadEdges.splice(idx,1)}idx=this.quadEdges.indexOf(eSym);if(idx!==-1){this.quadEdges.splice(idx,1)}idx=this.quadEdges.indexOf(eRot);if(idx!==-1){this.quadEdges.splice(idx,1)}idx=this.quadEdges.indexOf(eRotSym);if(idx!==-1){this.quadEdges.splice(idx,1)}e.delete_jsts();eSym.delete_jsts();eRot.delete_jsts();eRotSym.delete_jsts()};jsts.triangulate.quadedge.QuadEdgeSubdivision.prototype.locateFromEdge=function(v,startEdge){var iter=0,maxIter=this.quadEdges.length,e;e=startEdge;while(true){iter++;if(iter>maxIter){throw new jsts.error.LocateFailureError(e.toLineSegment())}if(v.equals(e.orig())||v.equals(e.dest())){break}else if(v.rightOf(e)){e=e.sym()}else if(!v.rightOf(e.oNext())){e=e.oNext()}else if(!v.rightOf(e.dPrev())){e=e.dPrev()}else{break}}return e};jsts.triangulate.quadedge.QuadEdgeSubdivision.prototype.locate=function(){if(arguments.length===1){if(arguments[0]instanceof jsts.triangulate.quadedge.Vertex){return this.locateByVertex(arguments[0])}else{return this.locateByCoordinate(arguments[0])}}else{return this.locateByCoordinates(arguments[0],arguments[1])}};jsts.triangulate.quadedge.QuadEdgeSubdivision.prototype.locateByVertex=function(v){return this.locator.locate(v)};jsts.triangulate.quadedge.QuadEdgeSubdivision.prototype.locateByCoordinate=function(p){return this.locator.locate(new jsts.triangulate.quadedge.Vertex(p))};jsts.triangulate.quadedge.QuadEdgeSubdivision.prototype.locateByCoordinates=function(p0,p1){var e,base,locEdge;var e=this.locator.locate(new jsts.triangulate.quadedge.Vertex(p0));if(e===null){return null}base=e;if(e.dest().getCoordinate().equals2D(p0)){base=e.sym()}locEdge=base;do{if(locEdge.dest().getCoordinate().equals2D(p1)){return locEdge}locEdge=locEdge.oNext()}while(locEdge!=base);return null};jsts.triangulate.quadedge.QuadEdgeSubdivision.prototype.insertSite=function(v){var e,base,startEdge;e=this.locate(v);if(v.equals(e.orig(),this.tolerance)||v.equals(e.dest(),this.tolerance)){return e}base=this.makeEdge(e.orig(),v);jsts.triangulate.quadedge.QuadEdge.splice(base,e);startEdge=base;do{base=this.connect(e,base.sym());e=base.oPrev()}while(e.lNext()!=startEdge);return startEdge};jsts.triangulate.quadedge.QuadEdgeSubdivision.prototype.isFrameEdge=function(e){if(this.isFrameVertex(e.orig())||this.isFrameVertex(e.dest())){return true}return false};jsts.triangulate.quadedge.QuadEdgeSubdivision.prototype.isFrameBorderEdge=function(e){var leftTri,rightTri,vLeftTriOther,vRightTriOther;leftTri=new Array(3);this.getTriangleEdges(e,leftTri);rightTri=new Array(3);this.getTriangleEdges(e.sym(),rightTri);vLeftTriOther=e.lNext().dest();if(this.isFrameVertex(vLeftTriOther)){return true}vRightTriOther=e.sym().lNext().dest();if(this.isFrameVertex(vRightTriOther)){return true}return false};jsts.triangulate.quadedge.QuadEdgeSubdivision.prototype.isFrameVertex=function(v){if(v.equals(this.frameVertex[0])){return true}if(v.equals(this.frameVertex[1])){return true}if(v.equals(this.frameVertex[2])){return true}return false};jsts.triangulate.quadedge.QuadEdgeSubdivision.prototype.isOnEdge=function(e,p){this.seg.setCoordinates(e.orig().getCoordinate(),e.dest().getCoordinate());var dist=this.seg.distance(p);return dist<this.edgeCoincidenceTolerance};jsts.triangulate.quadedge.QuadEdgeSubdivision.prototype.isVertexOfEdge=function(e,v){if(v.equals(e.orig(),this.tolerance)||v.equals(e.dest(),this.tolerance)){return true}return false};jsts.triangulate.quadedge.QuadEdgeSubdivision.prototype.getVertices=function(includeFrame){var vertices=[],i,il,qe,v,vd;i=0,il=this.quadEdges.length;for(i;i<il;i++){qe=this.quadEdges[i];v=qe.orig();if(includeFrame||!this.isFrameVertex(v)){vertices.push(v)}vd=qe.dest();if(includeFrame||!this.isFrameVertex(vd)){vertices.push(vd)}}return vertices};jsts.triangulate.quadedge.QuadEdgeSubdivision.prototype.getVertexUniqueEdges=function(includeFrame){var edges,visitedVertices,i,il,qe,v,qd,vd;edges=[];visitedVertices=[];i=0,il=this.quadEdges.length;for(i;i<il;i++){qe=this.quadEdges[i];v=qe.orig();if(visitedVertices.indexOf(v)===-1){visitedVertices.push(v);if(includeFrame||!this.isFrameVertex(v)){edges.push(qe)}}qd=qe.sym();vd=qd.orig();if(visitedVertices.indexOf(vd)===-1){visitedVertices.push(vd);if(includeFrame||!this.isFrameVertex(vd)){edges.push(qd)}}}return edges};jsts.triangulate.quadedge.QuadEdgeSubdivision.prototype.getPrimaryEdges=function(includeFrame){this.visitedKey++;var edges,edgeStack,visitedEdges,edge,priQE;edges=[];edgeStack=[];edgeStack.push(this.startingEdge);visitedEdges=[];while(edgeStack.length>0){edge=edgeStack.pop();if(visitedEdges.indexOf(edge)===-1){priQE=edge.getPrimary();if(includeFrame||!this.isFrameEdge(priQE)){edges.push(priQE)}edgeStack.push(edge.oNext());edgeStack.push(edge.sym().oNext());visitedEdges.push(edge);visitedEdges.push(edge.sym())}}return edges};jsts.triangulate.quadedge.QuadEdgeSubdivision.prototype.visitTriangles=function(triVisitor,includeFrame){this.visitedKey++;var edgeStack,visitedEdges,edge,triEdges;edgeStack=[];edgeStack.push(this.startingEdge);visitedEdges=[];while(edgeStack.length>0){edge=edgeStack.pop();if(visitedEdges.indexOf(edge)===-1){triEdges=this.fetchTriangleToVisit(edge,edgeStack,includeFrame,visitedEdges);if(triEdges!==null)triVisitor.visit(triEdges)}}};jsts.triangulate.quadedge.QuadEdgeSubdivision.prototype.fetchTriangleToVisit=function(edge,edgeStack,includeFrame,visitedEdges){var curr,edgeCount,isFrame,sym;curr=edge;edgeCount=0;isFrame=false;do{this.triEdges[edgeCount]=curr;if(this.isFrameEdge(curr)){isFrame=true}sym=curr.sym();if(visitedEdges.indexOf(sym)===-1){edgeStack.push(sym)}visitedEdges.push(curr);edgeCount++;curr=curr.lNext()}while(curr!==edge);if(isFrame&&!includeFrame){return null}return this.triEdges};jsts.triangulate.quadedge.QuadEdgeSubdivision.prototype.getTriangleEdges=function(includeFrame){var visitor=new jsts.triangulate.quadedge.TriangleEdgesListVisitor;this.visitTriangles(visitor,includeFrame);return visitor.getTriangleEdges()};jsts.triangulate.quadedge.QuadEdgeSubdivision.prototype.getTriangleVertices=function(includeFrame){var visitor=new TriangleVertexListVisitor;this.visitTriangles(visitor,includeFrame);return visitor.getTriangleVertices()};jsts.triangulate.quadedge.QuadEdgeSubdivision.prototype.getTriangleCoordinates=function(includeFrame){var visitor=new jsts.triangulate.quadedge.TriangleCoordinatesVisitor;this.visitTriangles(visitor,includeFrame);return visitor.getTriangles()};jsts.triangulate.quadedge.QuadEdgeSubdivision.prototype.getEdgesByFactory=function(geomFact){var quadEdges,edges,i,il,qe,coords;quadEdges=this.getPrimaryEdges(false);edges=[];i=0;il=quadEdges.length;for(i;i<il;i++){qe=quadEdges[i];coords=[];coords[0]=qe.orig().getCoordinate();coords[1]=qe.dest().getCoordinate();edges[i]=geomFact.createLineString(coords)}return geomFact.createMultiLineString(edges)};jsts.triangulate.quadedge.QuadEdgeSubdivision.prototype.getTriangles=function(geomFact){var triPtsList,tris,triPt,i,il;triPtsList=this.getTriangleCoordinates(false);tris=new Array(triPtsList.length);i=0,il=triPtsList.length;for(i;i<il;i++){triPt=triPtsList[i];tris[i]=geomFact.createPolygon(geomFact.createLinearRing(triPt,null))}return geomFact.createGeometryCollection(tris)};jsts.triangulate.quadedge.QuadEdgeSubdivision.prototype.getVoronoiDiagram=function(geomFact){var vorCells=this.getVoronoiCellPolygons(geomFact);return geomFact.createGeometryCollection(vorCells)};jsts.triangulate.quadedge.QuadEdgeSubdivision.prototype.getVoronoiCellPolygons=function(geomFact){this.visitTriangles(new jsts.triangulate.quadedge.TriangleCircumcentreVisitor,true);var cells,edges,i,il,qe;cells=[];edges=this.getVertexUniqueEdges(false);i=0,il=edges.length;for(i;i<il;i++){qe=edges[i];cells.push(this.getVoronoiCellPolygon(qe,geomFact))}return cells};jsts.triangulate.quadedge.QuadEdgeSubdivision.prototype.getVoronoiCellPolygon=function(qe,geomFact){var cellPts,startQe,cc,coordList,cellPoly,v;cellPts=[];startQE=qe;do{cc=qe.rot.orig().getCoordinate();cellPts.push(cc);qe=qe.oPrev()}while(qe!==startQE);coordList=new jsts.geom.CoordinateList([],false);coordList.add(cellPts,false);coordList.closeRing();if(coordList.size()<4){coordList.add(coordList.get(coordList.size()-1),true)}cellPoly=geomFact.createPolygon(geomFact.createLinearRing(coordList.toArray()),null);v=startQE.orig();return cellPoly};jsts.triangulate.quadedge.TriangleCircumcentreVisitor=function(){};jsts.triangulate.quadedge.TriangleCircumcentreVisitor.prototype.visit=function(triEdges){var a,b,c,cc,ccVertex,i;a=triEdges[0].orig().getCoordinate();b=triEdges[1].orig().getCoordinate();c=triEdges[2].orig().getCoordinate();
cc=jsts.geom.Triangle.circumcentre(a,b,c);ccVertex=new jsts.triangulate.quadedge.Vertex(cc);i=0;for(i;i<3;i++){triEdges[i].rot.setOrig(ccVertex)}};jsts.triangulate.quadedge.TriangleEdgesListVisitor=function(){this.triList=[]};jsts.triangulate.quadedge.TriangleEdgesListVisitor.prototype.visit=function(triEdges){var clone=triEdges.concat();this.triList.push(clone)};jsts.triangulate.quadedge.TriangleEdgesListVisitor.prototype.getTriangleEdges=function(){return this.triList};jsts.triangulate.quadedge.TriangleVertexListVisitor=function(){this.triList=[]};jsts.triangulate.quadedge.TriangleVertexListVisitor.prototype.visit=function(triEdges){var vertices=[];vertices.push(trieEdges[0].orig());vertices.push(trieEdges[1].orig());vertices.push(trieEdges[2].orig());this.triList.push(vertices)};jsts.triangulate.quadedge.TriangleVertexListVisitor.prototype.getTriangleVertices=function(){return this.triList};jsts.triangulate.quadedge.TriangleCoordinatesVisitor=function(){this.coordList=new jsts.geom.CoordinateList([],false);this.triCoords=[]};jsts.triangulate.quadedge.TriangleCoordinatesVisitor.prototype.visit=function(triEdges){this.coordList=new jsts.geom.CoordinateList([],false);var i=0,v,pts;for(i;i<3;i++){v=triEdges[i].orig();this.coordList.add(v.getCoordinate())}if(this.coordList.size()>0){this.coordList.closeRing();pts=this.coordList.toArray();if(pts.length!==4){return}this.triCoords.push(pts)}};jsts.triangulate.quadedge.TriangleCoordinatesVisitor.prototype.getTriangles=function(){return this.triCoords};jsts.operation.relate.EdgeEndBundle=function(){this.edgeEnds=[];var e=arguments[0]instanceof jsts.geomgraph.EdgeEnd?arguments[0]:arguments[1];var edge=e.getEdge();var coord=e.getCoordinate();var dirCoord=e.getDirectedCoordinate();var label=new jsts.geomgraph.Label(e.getLabel());jsts.geomgraph.EdgeEnd.call(this,edge,coord,dirCoord,label);this.insert(e)};jsts.operation.relate.EdgeEndBundle.prototype=new jsts.geomgraph.EdgeEnd;jsts.operation.relate.EdgeEndBundle.prototype.edgeEnds=null;jsts.operation.relate.EdgeEndBundle.prototype.getLabel=function(){return this.label};jsts.operation.relate.EdgeEndBundle.prototype.getEdgeEnds=function(){return this.edgeEnds};jsts.operation.relate.EdgeEndBundle.prototype.insert=function(e){this.edgeEnds.push(e)};jsts.operation.relate.EdgeEndBundle.prototype.computeLabel=function(boundaryNodeRule){var isArea=false;for(var i=0;i<this.edgeEnds.length;i++){var e=this.edgeEnds[i];if(e.getLabel().isArea())isArea=true}if(isArea)this.label=new jsts.geomgraph.Label(jsts.geom.Location.NONE,jsts.geom.Location.NONE,jsts.geom.Location.NONE);else this.label=new jsts.geomgraph.Label(jsts.geom.Location.NONE);for(var i=0;i<2;i++){this.computeLabelOn(i,boundaryNodeRule);if(isArea)this.computeLabelSides(i)}};jsts.operation.relate.EdgeEndBundle.prototype.computeLabelOn=function(geomIndex,boundaryNodeRule){var boundaryCount=0;var foundInterior=false;for(var i=0;i<this.edgeEnds.length;i++){var e=this.edgeEnds[i];var loc=e.getLabel().getLocation(geomIndex);if(loc==jsts.geom.Location.BOUNDARY)boundaryCount++;if(loc==jsts.geom.Location.INTERIOR)foundInterior=true}var loc=jsts.geom.Location.NONE;if(foundInterior)loc=jsts.geom.Location.INTERIOR;if(boundaryCount>0){loc=jsts.geomgraph.GeometryGraph.determineBoundary(boundaryNodeRule,boundaryCount)}this.label.setLocation(geomIndex,loc)};jsts.operation.relate.EdgeEndBundle.prototype.computeLabelSides=function(geomIndex){this.computeLabelSide(geomIndex,jsts.geomgraph.Position.LEFT);this.computeLabelSide(geomIndex,jsts.geomgraph.Position.RIGHT)};jsts.operation.relate.EdgeEndBundle.prototype.computeLabelSide=function(geomIndex,side){for(var i=0;i<this.edgeEnds.length;i++){var e=this.edgeEnds[i];if(e.getLabel().isArea()){var loc=e.getLabel().getLocation(geomIndex,side);if(loc===jsts.geom.Location.INTERIOR){this.label.setLocation(geomIndex,side,jsts.geom.Location.INTERIOR);return}else if(loc===jsts.geom.Location.EXTERIOR)this.label.setLocation(geomIndex,side,jsts.geom.Location.EXTERIOR)}}};jsts.operation.relate.EdgeEndBundle.prototype.updateIM=function(im){jsts.geomgraph.Edge.updateIM(this.label,im)};jsts.index.kdtree.KdTree=function(tolerance){var tol=0;if(tolerance!==undefined){tol=tolerance}this.root=null;this.last=null;this.numberOfNodes=0;this.tolerance=tol};jsts.index.kdtree.KdTree.prototype.insert=function(){if(arguments.length===1){return this.insertCoordinate.apply(this,arguments[0])}else{return this.insertWithData.apply(this,arguments[0],arguments[1])}};jsts.index.kdtree.KdTree.prototype.insertCoordinate=function(p){return this.insertWithData(p,null)};jsts.index.kdtree.KdTree.prototype.insertWithData=function(p,data){if(this.root===null){this.root=new jsts.index.kdtree.KdNode(p,data);return this.root}var currentNode=this.root,leafNode=this.root,isOddLevel=true,isLessThan=true;while(currentNode!==last){if(isOddLevel){isLessThan=p.x<currentNode.getX()}else{isLessThan=p.y<currentNode.getY()}leafNode=currentNode;if(isLessThan){currentNode=currentNode.getLeft()}else{currentNode=currentNode.getRight()}if(currentNode!==null){var isInTolerance=p.distance(currentNode.getCoordinate())<=this.tolerance;if(isInTolerance){currentNode.increment();return currentNode}}isOddLevel=!isOddLevel}this.numberOfNodes=numberOfNodes+1;var node=new jsts.index.kdtree.KdNode(p,data);node.setLeft(this.last);node.setRight(this.last);if(isLessThan){leafNode.setLeft(node)}else{leafNode.setRight(node)}return node};jsts.index.kdtree.KdTree.prototype.queryNode=function(currentNode,bottomNode,queryEnv,odd,result){if(currentNode===bottomNode){return}var min,max,discriminant;if(odd){min=queryEnv.getMinX();max=queryEnv.getMaxX();discriminant=currentNode.getX()}else{min=queryEnv.getMinY();max=queryEnv.getMaxY();discriminant=currentNode.getY()}var searchLeft=min<discriminant;var searchRight=discriminant<=max;if(searchLeft){this.queryNode(currentNode.getLeft(),bottomNode,queryEnv,!odd,result)}if(queryEnv.contains(currentNode.getCoordinate())){result.add(currentNode)}if(searchRight){this.queryNode(currentNode.getRight(),bottomNode,queryEnv,!odd,result)}};jsts.index.kdtree.KdTree.prototype.query=function(){if(arguments.length===1){return this.queryByEnvelope.apply(this,arguments[0])}else{return this.queryWithArray.apply(this,arguments[0],arguments[1])}};jsts.index.kdtree.KdTree.prototype.queryByEnvelope=function(queryEnv){var result=[];this.queryNode(this.root,this.last,queryEnv,true,result);return result};jsts.index.kdtree.KdTree.prototype.queryWithArray=function(queryEnv,result){this.queryNode(this.root,this.last,queryEnv,true,result)};jsts.geom.Triangle=function(p0,p1,p2){this.p0=p0;this.p1=p1;this.p2=p2};jsts.geom.Triangle.isAcute=function(a,b,c){if(!jsts.algorithm.Angle.isAcute(a,b,c)){return false}if(!jsts.algorithm.Angle.isAcute(b,c,a)){return false}if(!jsts.algorithm.Angle.isAcute(c,a,b)){return false}return true};jsts.geom.Triangle.perpendicularBisector=function(a,b){var dx,dy,l1,l2;dx=b.x-a.x;dy=b.y-a.y;l1=new jsts.algorithm.HCoordinate(a.x+dx/2,a.y+dy/2,1);l2=new jsts.algorithm.HCoordinate(a.x-dy+dx/2,a.y+dx+dy/2,1);return new jsts.algorithm.HCoordinate(l1,l2)};jsts.geom.Triangle.circumcentre=function(a,b,c){var cx,cy,ax,ay,bx,by,denom,numx,numy,ccx,ccy;cx=c.x;cy=c.y;ax=a.x-cx;ay=a.y-cy;bx=b.x-cx;by=b.y-cy;denom=2*jsts.geom.Triangle.det(ax,ay,bx,by);numx=jsts.geom.Triangle.det(ay,ax*ax+ay*ay,by,bx*bx+by*by);numy=jsts.geom.Triangle.det(ax,ax*ax+ay*ay,bx,bx*bx+by*by);ccx=cx-numx/denom;ccy=cy+numy/denom;return new jsts.geom.Coordinate(ccx,ccy)};jsts.geom.Triangle.det=function(m00,m01,m10,m11){return m00*m11-m01*m10};jsts.geom.Triangle.inCentre=function(a,b,c){var len0,len1,len2,circum,inCentreX,inCentreY;len0=b.distance(c);len1=a.distance(c);len2=a.distance(b);circum=len0+len1+len2;inCentreX=(len0*a.x+len1*b.x+len2*c.x)/circum;inCentreY=(len0*a.y+len1*b.y+len2*c.y)/circum;return new jsts.geom.Coordinate(inCentreX,inCentreY)};jsts.geom.Triangle.centroid=function(a,b,c){var x,y;x=(a.x+b.x+c.x)/3;y=(a.y+b.y+c.y)/3;return new jsts.geom.Coordinate(x,y)};jsts.geom.Triangle.longestSideLength=function(a,b,c){var lenAB,lenBC,lenCA,maxLen;lenAB=a.distance(b);lenBC=b.distance(c);lenCA=c.distance(a);maxLen=lenAB;if(lenBC>maxLen){maxLen=lenBC}if(lenCA>maxLen){maxLen=lenCA}return maxLen};jsts.geom.Triangle.angleBisector=function(a,b,c){var len0,len2,frac,dx,dy,splitPt;len0=b.distance(a);len2=b.distance(c);frac=len0/(len0+len2);dx=c.x-a.x;dy=c.y-a.y;splitPt=new jsts.geom.Coordinate(a.x+frac*dx,a.y+frac*dy);return splitPt};jsts.geom.Triangle.area=function(a,b,c){return Math.abs(((c.x-a.x)*(b.y-a.y)-(b.x-a.x)*(c.y-a.y))/2)};jsts.geom.Triangle.signedArea=function(a,b,c){return((c.x-a.x)*(b.y-a.y)-(b.x-a.x)*(c.y-a.y))/2};jsts.geom.Triangle.prototype.inCentre=function(){return jsts.geom.Triangle.inCentre(this.p0,this.p1,this.p2)};jsts.noding.OrientedCoordinateArray=function(pts){this.pts=pts;this._orientation=jsts.noding.OrientedCoordinateArray.orientation(pts)};jsts.noding.OrientedCoordinateArray.prototype.pts=null;jsts.noding.OrientedCoordinateArray.prototype._orientation=undefined;jsts.noding.OrientedCoordinateArray.orientation=function(pts){return jsts.geom.CoordinateArrays.increasingDirection(pts)===1};jsts.noding.OrientedCoordinateArray.prototype.compareTo=function(o1){var oca=o1;var comp=jsts.noding.OrientedCoordinateArray.compareOriented(this.pts,this._orientation,oca.pts,oca._orientation);return comp};jsts.noding.OrientedCoordinateArray.compareOriented=function(pts1,orientation1,pts2,orientation2){var dir1=orientation1?1:-1;var dir2=orientation2?1:-1;var limit1=orientation1?pts1.length:-1;var limit2=orientation2?pts2.length:-1;var i1=orientation1?0:pts1.length-1;var i2=orientation2?0:pts2.length-1;var comp=0;while(true){var compPt=pts1[i1].compareTo(pts2[i2]);if(compPt!==0)return compPt;i1+=dir1;i2+=dir2;var done1=i1===limit1;var done2=i2===limit2;if(done1&&!done2)return-1;if(!done1&&done2)return 1;if(done1&&done2)return 0}};jsts.algorithm.CentralEndpointIntersector=function(p00,p01,p10,p11){this.pts=[p00,p01,p10,p11];this.compute()};jsts.algorithm.CentralEndpointIntersector.getIntersection=function(p00,p01,p10,p11){var intor=new jsts.algorithm.CentralEndpointIntersector(p00,p01,p10,p11);return intor.getIntersection()};jsts.algorithm.CentralEndpointIntersector.prototype.pts=null;jsts.algorithm.CentralEndpointIntersector.prototype.intPt=null;jsts.algorithm.CentralEndpointIntersector.prototype.compute=function(){var centroid=jsts.algorithm.CentralEndpointIntersector.average(this.pts);this.intPt=this.findNearestPoint(centroid,this.pts)};jsts.algorithm.CentralEndpointIntersector.prototype.getIntersection=function(){return this.intPt};jsts.algorithm.CentralEndpointIntersector.average=function(pts){var avg=new jsts.geom.Coordinate;var i,n=pts.length;for(i=0;i<n;i++){avg.x+=pts[i].x;avg.y+=pts[i].y}if(n>0){avg.x/=n;avg.y/=n}return avg};jsts.algorithm.CentralEndpointIntersector.prototype.findNearestPoint=function(p,pts){var minDist=Number.MAX_VALUE;var i,result=null,dist;for(i=0;i<pts.length;i++){dist=p.distance(pts[i]);if(dist<minDist){minDist=dist;result=pts[i]}}return result};jsts.operation.buffer.BufferOp=function(g,bufParams){this.argGeom=g;this.bufParams=bufParams?bufParams:new jsts.operation.buffer.BufferParameters};jsts.operation.buffer.BufferOp.MAX_PRECISION_DIGITS=12;jsts.operation.buffer.BufferOp.precisionScaleFactor=function(g,distance,maxPrecisionDigits){var env=g.getEnvelopeInternal();var envSize=Math.max(env.getHeight(),env.getWidth());var expandByDistance=distance>0?distance:0;var bufEnvSize=envSize+2*expandByDistance;var bufEnvLog10=Math.log(bufEnvSize)/Math.log(10)+1;var minUnitLog10=bufEnvLog10-maxPrecisionDigits;var scaleFactor=Math.pow(10,-minUnitLog10);return scaleFactor};jsts.operation.buffer.BufferOp.bufferOp=function(g,distance){if(arguments.length>2){return jsts.operation.buffer.BufferOp.bufferOp2.apply(this,arguments)}var gBuf=new jsts.operation.buffer.BufferOp(g);var geomBuf=gBuf.getResultGeometry(distance);return geomBuf};jsts.operation.buffer.BufferOp.bufferOp2=function(g,distance,params){if(arguments.length>3){return jsts.operation.buffer.BufferOp.bufferOp3.apply(this,arguments)}var bufOp=new jsts.operation.buffer.BufferOp(g,params);var geomBuf=bufOp.getResultGeometry(distance);return geomBuf};jsts.operation.buffer.BufferOp.bufferOp3=function(g,distance,quadrantSegments){if(arguments.length>4){return jsts.operation.buffer.BufferOp.bufferOp4.apply(this,arguments)}var bufOp=new jsts.operation.buffer.BufferOp(g);bufOp.setQuadrantSegments(quadrantSegments);var geomBuf=bufOp.getResultGeometry(distance);return geomBuf};jsts.operation.buffer.BufferOp.bufferOp4=function(g,distance,quadrantSegments,endCapStyle){var bufOp=new jsts.operation.buffer.BufferOp(g);bufOp.setQuadrantSegments(quadrantSegments);bufOp.setEndCapStyle(endCapStyle);var geomBuf=bufOp.getResultGeometry(distance);return geomBuf};jsts.operation.buffer.BufferOp.prototype.argGeom=null;jsts.operation.buffer.BufferOp.prototype.distance=null;jsts.operation.buffer.BufferOp.prototype.bufParams=null;jsts.operation.buffer.BufferOp.prototype.resultGeometry=null;jsts.operation.buffer.BufferOp.prototype.setEndCapStyle=function(endCapStyle){this.bufParams.setEndCapStyle(endCapStyle)};jsts.operation.buffer.BufferOp.prototype.setQuadrantSegments=function(quadrantSegments){this.bufParams.setQuadrantSegments(quadrantSegments)};jsts.operation.buffer.BufferOp.prototype.getResultGeometry=function(dist){this.distance=dist;this.computeGeometry();return this.resultGeometry};jsts.operation.buffer.BufferOp.prototype.computeGeometry=function(){this.bufferOriginalPrecision();if(this.resultGeometry!==null){return}var argPM=this.argGeom.getPrecisionModel();if(argPM.getType()===jsts.geom.PrecisionModel.FIXED){this.bufferFixedPrecision(argPM)}else{this.bufferReducedPrecision()}};jsts.operation.buffer.BufferOp.prototype.bufferReducedPrecision=function(){var precDigits;var saveException=null;for(precDigits=jsts.operation.buffer.BufferOp.MAX_PRECISION_DIGITS;precDigits>=0;precDigits--){try{this.bufferReducedPrecision2(precDigits)}catch(ex){saveException=ex}if(this.resultGeometry!==null){return}}throw saveException};jsts.operation.buffer.BufferOp.prototype.bufferOriginalPrecision=function(){try{var bufBuilder=new jsts.operation.buffer.BufferBuilder(this.bufParams);this.resultGeometry=bufBuilder.buffer(this.argGeom,this.distance)}catch(e){}};jsts.operation.buffer.BufferOp.prototype.bufferReducedPrecision2=function(precisionDigits){var sizeBasedScaleFactor=jsts.operation.buffer.BufferOp.precisionScaleFactor(this.argGeom,this.distance,precisionDigits);var fixedPM=new jsts.geom.PrecisionModel(sizeBasedScaleFactor);this.bufferFixedPrecision(fixedPM)};jsts.operation.buffer.BufferOp.prototype.bufferFixedPrecision=function(fixedPM){var noder=new jsts.noding.ScaledNoder(new jsts.noding.snapround.MCIndexSnapRounder(new jsts.geom.PrecisionModel(1)),fixedPM.getScale());var bufBuilder=new jsts.operation.buffer.BufferBuilder(this.bufParams);bufBuilder.setWorkingPrecisionModel(fixedPM);bufBuilder.setNoder(noder);this.resultGeometry=bufBuilder.buffer(this.argGeom,this.distance)};jsts.operation.buffer.OffsetSegmentString=function(){this.ptList=[]};jsts.operation.buffer.OffsetSegmentString.prototype.ptList=null;jsts.operation.buffer.OffsetSegmentString.prototype.precisionModel=null;jsts.operation.buffer.OffsetSegmentString.prototype.minimimVertexDistance=0;jsts.operation.buffer.OffsetSegmentString.prototype.setPrecisionModel=function(precisionModel){this.precisionModel=precisionModel};jsts.operation.buffer.OffsetSegmentString.prototype.setMinimumVertexDistance=function(minimimVertexDistance){this.minimimVertexDistance=minimimVertexDistance};jsts.operation.buffer.OffsetSegmentString.prototype.addPt=function(pt){var bufPt=new jsts.geom.Coordinate(pt);this.precisionModel.makePrecise(bufPt);if(this.isRedundant(bufPt))return;this.ptList.push(bufPt)};jsts.operation.buffer.OffsetSegmentString.prototype.addPts=function(pt,isForward){if(isForward){for(var i=0;i<pt.length;i++){this.addPt(pt[i])}}else{for(var i=pt.length-1;i>=0;i--){this.addPt(pt[i])}}};jsts.operation.buffer.OffsetSegmentString.prototype.isRedundant=function(pt){if(this.ptList.length<1)return false;var lastPt=this.ptList[this.ptList.length-1];var ptDist=pt.distance(lastPt);if(ptDist<this.minimimVertexDistance)return true;return false};jsts.operation.buffer.OffsetSegmentString.prototype.closeRing=function(){if(this.ptList.length<1)return;var startPt=new jsts.geom.Coordinate(this.ptList[0]);var lastPt=this.ptList[this.ptList.length-1];var last2Pt=null;if(this.ptList.length>=2)last2Pt=this.ptList[this.ptList.length-2];if(startPt.equals(lastPt))return;this.ptList.push(startPt)};jsts.operation.buffer.OffsetSegmentString.prototype.reverse=function(){};jsts.operation.buffer.OffsetSegmentString.prototype.getCoordinates=function(){return this.ptList};jsts.algorithm.distance.PointPairDistance=function(){this.pt=[new jsts.geom.Coordinate,new jsts.geom.Coordinate]};jsts.algorithm.distance.PointPairDistance.prototype.pt=null;jsts.algorithm.distance.PointPairDistance.prototype.distance=NaN;jsts.algorithm.distance.PointPairDistance.prototype.isNull=true;jsts.algorithm.distance.PointPairDistance.prototype.initialize=function(p0,p1,distance){if(p0===undefined){this.isNull=true;return}this.pt[0].setCoordinate(p0);this.pt[1].setCoordinate(p1);this.distance=distance!==undefined?distance:p0.distance(p1);this.isNull=false};jsts.algorithm.distance.PointPairDistance.prototype.getDistance=function(){return this.distance};jsts.algorithm.distance.PointPairDistance.prototype.getCoordinates=function(){return this.pt};jsts.algorithm.distance.PointPairDistance.prototype.getCoordinate=function(i){return this.pt[i]};jsts.algorithm.distance.PointPairDistance.prototype.setMaximum=function(ptDist){if(arguments.length===2){this.setMaximum2.apply(this,arguments);return}this.setMaximum(ptDist.pt[0],ptDist.pt[1])};jsts.algorithm.distance.PointPairDistance.prototype.setMaximum2=function(p0,p1){if(this.isNull){this.initialize(p0,p1);return}var dist=p0.distance(p1);if(dist>this.distance)this.initialize(p0,p1,dist)};jsts.algorithm.distance.PointPairDistance.prototype.setMinimum=function(ptDist){if(arguments.length===2){this.setMinimum2.apply(this,arguments);return}this.setMinimum(ptDist.pt[0],ptDist.pt[1])};jsts.algorithm.distance.PointPairDistance.prototype.setMinimum2=function(p0,p1){if(this.isNull){this.initialize(p0,p1);return}var dist=p0.distance(p1);if(dist<this.distance)this.initialize(p0,p1,dist)};(function(){var PointPairDistance=jsts.algorithm.distance.PointPairDistance;var DistanceToPoint=jsts.algorithm.distance.DistanceToPoint;var MaxPointDistanceFilter=function(geom){this.maxPtDist=new PointPairDistance;this.minPtDist=new PointPairDistance;this.euclideanDist=new DistanceToPoint;this.geom=geom};MaxPointDistanceFilter.prototype=new jsts.geom.CoordinateFilter;MaxPointDistanceFilter.prototype.maxPtDist=new PointPairDistance;MaxPointDistanceFilter.prototype.minPtDist=new PointPairDistance;MaxPointDistanceFilter.prototype.euclideanDist=new DistanceToPoint;MaxPointDistanceFilter.prototype.geom;MaxPointDistanceFilter.prototype.filter=function(pt){this.minPtDist.initialize();DistanceToPoint.computeDistance(this.geom,pt,this.minPtDist);this.maxPtDist.setMaximum(this.minPtDist)};MaxPointDistanceFilter.prototype.getMaxPointDistance=function(){return this.maxPtDist};var MaxDensifiedByFractionDistanceFilter=function(geom,fraction){this.maxPtDist=new PointPairDistance;this.minPtDist=new PointPairDistance;this.geom=geom;this.numSubSegs=Math.round(1/fraction)};MaxDensifiedByFractionDistanceFilter.prototype=new jsts.geom.CoordinateSequenceFilter;MaxDensifiedByFractionDistanceFilter.prototype.maxPtDist=new PointPairDistance;MaxDensifiedByFractionDistanceFilter.prototype.minPtDist=new PointPairDistance;MaxDensifiedByFractionDistanceFilter.prototype.geom;MaxDensifiedByFractionDistanceFilter.prototype.numSubSegs=0;MaxDensifiedByFractionDistanceFilter.prototype.filter=function(seq,index){if(index==0)return;var p0=seq[index-1];var p1=seq[index];var delx=(p1.x-p0.x)/this.numSubSegs;var dely=(p1.y-p0.y)/this.numSubSegs;for(var i=0;i<this.numSubSegs;i++){var x=p0.x+i*delx;var y=p0.y+i*dely;var pt=new jsts.geom.Coordinate(x,y);this.minPtDist.initialize();DistanceToPoint.computeDistance(this.geom,pt,this.minPtDist);this.maxPtDist.setMaximum(this.minPtDist)}};MaxDensifiedByFractionDistanceFilter.prototype.isGeometryChanged=function(){return false};MaxDensifiedByFractionDistanceFilter.prototype.isDone=function(){return false};MaxDensifiedByFractionDistanceFilter.prototype.getMaxPointDistance=function(){return this.maxPtDist};jsts.algorithm.distance.DiscreteHausdorffDistance=function(g0,g1){this.g0=g0;this.g1=g1;this.ptDist=new jsts.algorithm.distance.PointPairDistance};jsts.algorithm.distance.DiscreteHausdorffDistance.prototype.g0=null;jsts.algorithm.distance.DiscreteHausdorffDistance.prototype.g1=null;jsts.algorithm.distance.DiscreteHausdorffDistance.prototype.ptDist=null;jsts.algorithm.distance.DiscreteHausdorffDistance.prototype.densifyFrac=0;jsts.algorithm.distance.DiscreteHausdorffDistance.distance=function(g0,g1,densifyFrac){var dist=new jsts.algorithm.distance.DiscreteHausdorffDistance(g0,g1);if(densifyFrac!==undefined)dist.setDensifyFraction(densifyFrac);return dist.distance()};jsts.algorithm.distance.DiscreteHausdorffDistance.prototype.setDensifyFraction=function(densifyFrac){if(densifyFrac>1||densifyFrac<=0)throw new jsts.error.IllegalArgumentError("Fraction is not in range (0.0 - 1.0]");this.densifyFrac=densifyFrac};jsts.algorithm.distance.DiscreteHausdorffDistance.prototype.distance=function(){this.compute(this.g0,this.g1);return ptDist.getDistance()};jsts.algorithm.distance.DiscreteHausdorffDistance.prototype.orientedDistance=function(){this.computeOrientedDistance(this.g0,this.g1,this.ptDist);return this.ptDist.getDistance()};jsts.algorithm.distance.DiscreteHausdorffDistance.prototype.getCoordinates=function(){return ptDist.getCoordinates()};jsts.algorithm.distance.DiscreteHausdorffDistance.prototype.compute=function(g0,g1){this.computeOrientedDistance(g0,g1,this.ptDist);this.computeOrientedDistance(g1,g0,this.ptDist)};jsts.algorithm.distance.DiscreteHausdorffDistance.prototype.computeOrientedDistance=function(discreteGeom,geom,ptDist){var distFilter=new MaxPointDistanceFilter(geom);discreteGeom.apply(distFilter);ptDist.setMaximum(distFilter.getMaxPointDistance());if(this.densifyFrac>0){var fracFilter=new MaxDensifiedByFractionDistanceFilter(geom,this.densifyFrac);discreteGeom.apply(fracFilter);ptDist.setMaximum(fracFilter.getMaxPointDistance())}}})();(function(){var ArrayList=javascript.util.ArrayList;var TreeSet=javascript.util.TreeSet;var CoordinateFilter=jsts.geom.CoordinateFilter;jsts.util.UniqueCoordinateArrayFilter=function(){this.treeSet=new TreeSet;this.list=new ArrayList};jsts.util.UniqueCoordinateArrayFilter.prototype=new CoordinateFilter;jsts.util.UniqueCoordinateArrayFilter.prototype.treeSet=null;jsts.util.UniqueCoordinateArrayFilter.prototype.list=null;jsts.util.UniqueCoordinateArrayFilter.prototype.getCoordinates=function(){return this.list.toArray()};jsts.util.UniqueCoordinateArrayFilter.prototype.filter=function(coord){if(!this.treeSet.contains(coord)){this.list.add(coord);this.treeSet.add(coord)}}})();(function(){var CGAlgorithms=jsts.algorithm.CGAlgorithms;var UniqueCoordinateArrayFilter=jsts.util.UniqueCoordinateArrayFilter;var Assert=jsts.util.Assert;var Stack=javascript.util.Stack;var ArrayList=javascript.util.ArrayList;var Arrays=javascript.util.Arrays;var RadialComparator=function(origin){this.origin=origin};RadialComparator.prototype.origin=null;RadialComparator.prototype.compare=function(o1,o2){var p1=o1;var p2=o2;return RadialComparator.polarCompare(this.origin,p1,p2)};RadialComparator.polarCompare=function(o,p,q){var dxp=p.x-o.x;var dyp=p.y-o.y;var dxq=q.x-o.x;var dyq=q.y-o.y;var orient=CGAlgorithms.computeOrientation(o,p,q);if(orient==CGAlgorithms.COUNTERCLOCKWISE)return 1;if(orient==CGAlgorithms.CLOCKWISE)return-1;var op=dxp*dxp+dyp*dyp;var oq=dxq*dxq+dyq*dyq;if(op<oq){return-1}if(op>oq){return 1}return 0};jsts.algorithm.ConvexHull=function(){if(arguments.length===1){var geometry=arguments[0];this.inputPts=jsts.algorithm.ConvexHull.extractCoordinates(geometry);this.geomFactory=geometry.getFactory()}else{this.pts=arguments[0];this.geomFactory=arguments[1]}};jsts.algorithm.ConvexHull.prototype.geomFactory=null;jsts.algorithm.ConvexHull.prototype.inputPts=null;jsts.algorithm.ConvexHull.extractCoordinates=function(geom){var filter=new UniqueCoordinateArrayFilter;geom.apply(filter);return filter.getCoordinates()};jsts.algorithm.ConvexHull.prototype.getConvexHull=function(){if(this.inputPts.length==0){return this.geomFactory.createGeometryCollection(null)}if(this.inputPts.length==1){return this.geomFactory.createPoint(this.inputPts[0])}if(this.inputPts.length==2){return this.geomFactory.createLineString(this.inputPts)}var reducedPts=this.inputPts;if(this.inputPts.length>50){reducedPts=this.reduce(this.inputPts)}var sortedPts=this.preSort(reducedPts);var cHS=this.grahamScan(sortedPts);var cH=cHS.toArray();return this.lineOrPolygon(cH)};jsts.algorithm.ConvexHull.prototype.reduce=function(inputPts){var polyPts=this.computeOctRing(inputPts);if(polyPts==null)return this.inputPts;var reducedSet=new javascript.util.TreeSet;for(var i=0;i<polyPts.length;i++){reducedSet.add(polyPts[i])}for(var i=0;i<inputPts.length;i++){if(!CGAlgorithms.isPointInRing(inputPts[i],polyPts)){reducedSet.add(inputPts[i])}}var reducedPts=reducedSet.toArray();if(reducedPts.length<3)return this.padArray3(reducedPts);return reducedPts};jsts.algorithm.ConvexHull.prototype.padArray3=function(pts){var pad=[];for(var i=0;i<pad.length;i++){if(i<pts.length){pad[i]=pts[i]}else pad[i]=pts[0]}return pad};jsts.algorithm.ConvexHull.prototype.preSort=function(pts){var t;for(var i=1;i<pts.length;i++){if(pts[i].y<pts[0].y||pts[i].y==pts[0].y&&pts[i].x<pts[0].x){t=pts[0];pts[0]=pts[i];pts[i]=t}}Arrays.sort(pts,1,pts.length,new RadialComparator(pts[0]));return pts};jsts.algorithm.ConvexHull.prototype.grahamScan=function(c){var p;var ps=new Stack;p=ps.push(c[0]);p=ps.push(c[1]);p=ps.push(c[2]);for(var i=3;i<c.length;i++){p=ps.pop();while(!ps.empty()&&CGAlgorithms.computeOrientation(ps.peek(),p,c[i])>0){p=ps.pop()}p=ps.push(p);p=ps.push(c[i])}p=ps.push(c[0]);return ps};jsts.algorithm.ConvexHull.prototype.isBetween=function(c1,c2,c3){if(CGAlgorithms.computeOrientation(c1,c2,c3)!==0){return false}if(c1.x!=c3.x){if(c1.x<=c2.x&&c2.x<=c3.x){return true}if(c3.x<=c2.x&&c2.x<=c1.x){return true}}if(c1.y!=c3.y){if(c1.y<=c2.y&&c2.y<=c3.y){return true}if(c3.y<=c2.y&&c2.y<=c1.y){return true}}return false};jsts.algorithm.ConvexHull.prototype.computeOctRing=function(inputPts){var octPts=this.computeOctPts(inputPts);var coordList=new jsts.geom.CoordinateList;coordList.add(octPts,false);if(coordList.size()<3){return null}coordList.closeRing();return coordList.toCoordinateArray()};jsts.algorithm.ConvexHull.prototype.computeOctPts=function(inputPts){var pts=[];for(var j=0;j<8;j++){pts[j]=inputPts[0]}for(var i=1;i<inputPts.length;i++){if(inputPts[i].x<pts[0].x){pts[0]=inputPts[i]}if(inputPts[i].x-inputPts[i].y<pts[1].x-pts[1].y){pts[1]=inputPts[i]}if(inputPts[i].y>pts[2].y){pts[2]=inputPts[i]}if(inputPts[i].x+inputPts[i].y>pts[3].x+pts[3].y){pts[3]=inputPts[i]}if(inputPts[i].x>pts[4].x){pts[4]=inputPts[i]}if(inputPts[i].x-inputPts[i].y>pts[5].x-pts[5].y){pts[5]=inputPts[i]}if(inputPts[i].y<pts[6].y){pts[6]=inputPts[i]}if(inputPts[i].x+inputPts[i].y<pts[7].x+pts[7].y){pts[7]=inputPts[i]}}return pts};jsts.algorithm.ConvexHull.prototype.lineOrPolygon=function(coordinates){coordinates=this.cleanRing(coordinates);if(coordinates.length==3){return this.geomFactory.createLineString([coordinates[0],coordinates[1]])}var linearRing=this.geomFactory.createLinearRing(coordinates);return this.geomFactory.createPolygon(linearRing,null)};jsts.algorithm.ConvexHull.prototype.cleanRing=function(original){Assert.equals(original[0],original[original.length-1]);var cleanedRing=new ArrayList;var previousDistinctCoordinate=null;for(var i=0;i<=original.length-2;i++){var currentCoordinate=original[i];var nextCoordinate=original[i+1];if(currentCoordinate.equals(nextCoordinate)){continue}if(previousDistinctCoordinate!=null&&this.isBetween(previousDistinctCoordinate,currentCoordinate,nextCoordinate)){continue}cleanedRing.add(currentCoordinate);previousDistinctCoordinate=currentCoordinate}cleanedRing.add(original[original.length-1]);var cleanedRingCoordinates=[];return cleanedRing.toArray(cleanedRingCoordinates)}})();(function(){var ArrayList=javascript.util.ArrayList;jsts.geomgraph.index.SegmentIntersector=function(li,includeProper,recordIsolated){this.li=li;this.includeProper=includeProper;this.recordIsolated=recordIsolated};jsts.geomgraph.index.SegmentIntersector.isAdjacentSegments=function(i1,i2){return Math.abs(i1-i2)===1};jsts.geomgraph.index.SegmentIntersector.prototype._hasIntersection=false;jsts.geomgraph.index.SegmentIntersector.prototype.hasProper=false;jsts.geomgraph.index.SegmentIntersector.prototype.hasProperInterior=false;jsts.geomgraph.index.SegmentIntersector.prototype.properIntersectionPoint=null;jsts.geomgraph.index.SegmentIntersector.prototype.li=null;jsts.geomgraph.index.SegmentIntersector.prototype.includeProper=null;jsts.geomgraph.index.SegmentIntersector.prototype.recordIsolated=null;jsts.geomgraph.index.SegmentIntersector.prototype.isSelfIntersection=null;jsts.geomgraph.index.SegmentIntersector.prototype.numIntersections=0;jsts.geomgraph.index.SegmentIntersector.prototype.numTests=0;jsts.geomgraph.index.SegmentIntersector.prototype.bdyNodes=null;jsts.geomgraph.index.SegmentIntersector.prototype.setBoundaryNodes=function(bdyNodes0,bdyNodes1){this.bdyNodes=[];this.bdyNodes[0]=bdyNodes0;this.bdyNodes[1]=bdyNodes1};jsts.geomgraph.index.SegmentIntersector.prototype.getProperIntersectionPoint=function(){return this.properIntersectionPoint};jsts.geomgraph.index.SegmentIntersector.prototype.hasIntersection=function(){return this._hasIntersection};jsts.geomgraph.index.SegmentIntersector.prototype.hasProperIntersection=function(){return this.hasProper};jsts.geomgraph.index.SegmentIntersector.prototype.hasProperInteriorIntersection=function(){return this.hasProperInterior};jsts.geomgraph.index.SegmentIntersector.prototype.isTrivialIntersection=function(e0,segIndex0,e1,segIndex1){if(e0===e1){if(this.li.getIntersectionNum()===1){if(jsts.geomgraph.index.SegmentIntersector.isAdjacentSegments(segIndex0,segIndex1))return true;if(e0.isClosed()){var maxSegIndex=e0.getNumPoints()-1;if(segIndex0===0&&segIndex1===maxSegIndex||segIndex1===0&&segIndex0===maxSegIndex){return true}}}}return false};jsts.geomgraph.index.SegmentIntersector.prototype.addIntersections=function(e0,segIndex0,e1,segIndex1){if(e0===e1&&segIndex0===segIndex1)return;this.numTests++;var p00=e0.getCoordinates()[segIndex0];var p01=e0.getCoordinates()[segIndex0+1];var p10=e1.getCoordinates()[segIndex1];var p11=e1.getCoordinates()[segIndex1+1];this.li.computeIntersection(p00,p01,p10,p11);if(this.li.hasIntersection()){if(this.recordIsolated){e0.setIsolated(false);e1.setIsolated(false)}this.numIntersections++;if(!this.isTrivialIntersection(e0,segIndex0,e1,segIndex1)){this._hasIntersection=true;if(this.includeProper||!this.li.isProper()){e0.addIntersections(this.li,segIndex0,0);e1.addIntersections(this.li,segIndex1,1)}if(this.li.isProper()){this.properIntersectionPoint=this.li.getIntersection(0).clone();this.hasProper=true;if(!this.isBoundaryPoint(this.li,this.bdyNodes))this.hasProperInterior=true}}}};jsts.geomgraph.index.SegmentIntersector.prototype.isBoundaryPoint=function(li,bdyNodes){if(bdyNodes===null)return false;if(bdyNodes instanceof Array){if(this.isBoundaryPoint(li,bdyNodes[0]))return true;if(this.isBoundaryPoint(li,bdyNodes[1]))return true;return false}else{for(var i=bdyNodes.iterator();i.hasNext();){var node=i.next();var pt=node.getCoordinate();if(li.isIntersection(pt))return true
}return false}}})();(function(){var Location=jsts.geom.Location;var Position=jsts.geomgraph.Position;var Assert=jsts.util.Assert;jsts.geomgraph.GeometryGraph=function(argIndex,parentGeom,boundaryNodeRule){jsts.geomgraph.PlanarGraph.call(this);this.lineEdgeMap=new javascript.util.HashMap;this.ptLocator=new jsts.algorithm.PointLocator;this.argIndex=argIndex;this.parentGeom=parentGeom;this.boundaryNodeRule=boundaryNodeRule||jsts.algorithm.BoundaryNodeRule.OGC_SFS_BOUNDARY_RULE;if(parentGeom!==null){this.add(parentGeom)}};jsts.geomgraph.GeometryGraph.prototype=new jsts.geomgraph.PlanarGraph;jsts.geomgraph.GeometryGraph.constructor=jsts.geomgraph.GeometryGraph;jsts.geomgraph.GeometryGraph.prototype.createEdgeSetIntersector=function(){return new jsts.geomgraph.index.SimpleMCSweepLineIntersector};jsts.geomgraph.GeometryGraph.determineBoundary=function(boundaryNodeRule,boundaryCount){return boundaryNodeRule.isInBoundary(boundaryCount)?Location.BOUNDARY:Location.INTERIOR};jsts.geomgraph.GeometryGraph.prototype.parentGeom=null;jsts.geomgraph.GeometryGraph.prototype.lineEdgeMap=null;jsts.geomgraph.GeometryGraph.prototype.boundaryNodeRule=null;jsts.geomgraph.GeometryGraph.prototype.useBoundaryDeterminationRule=true;jsts.geomgraph.GeometryGraph.prototype.argIndex=null;jsts.geomgraph.GeometryGraph.prototype.boundaryNodes=null;jsts.geomgraph.GeometryGraph.prototype.hasTooFewPoints=false;jsts.geomgraph.GeometryGraph.prototype.invalidPoint=null;jsts.geomgraph.GeometryGraph.prototype.areaPtLocator=null;jsts.geomgraph.GeometryGraph.prototype.ptLocator=null;jsts.geomgraph.GeometryGraph.prototype.getGeometry=function(){return this.parentGeom};jsts.geomgraph.GeometryGraph.prototype.getBoundaryNodes=function(){if(this.boundaryNodes===null)this.boundaryNodes=this.nodes.getBoundaryNodes(this.argIndex);return this.boundaryNodes};jsts.geomgraph.GeometryGraph.prototype.getBoundaryNodeRule=function(){return this.boundaryNodeRule};jsts.geomgraph.GeometryGraph.prototype.findEdge=function(line){return this.lineEdgeMap.get(line)};jsts.geomgraph.GeometryGraph.prototype.computeSplitEdges=function(edgelist){for(var i=this.edges.iterator();i.hasNext();){var e=i.next();e.eiList.addSplitEdges(edgelist)}};jsts.geomgraph.GeometryGraph.prototype.add=function(g){if(g.isEmpty()){return}if(g instanceof jsts.geom.MultiPolygon)this.useBoundaryDeterminationRule=false;if(g instanceof jsts.geom.Polygon)this.addPolygon(g);else if(g instanceof jsts.geom.LineString)this.addLineString(g);else if(g instanceof jsts.geom.Point)this.addPoint(g);else if(g instanceof jsts.geom.MultiPoint)this.addCollection(g);else if(g instanceof jsts.geom.MultiLineString)this.addCollection(g);else if(g instanceof jsts.geom.MultiPolygon)this.addCollection(g);else if(g instanceof jsts.geom.GeometryCollection)this.addCollection(g);else throw new jsts.error.IllegalArgumentError("Geometry type not supported.")};jsts.geomgraph.GeometryGraph.prototype.addCollection=function(gc){for(var i=0;i<gc.getNumGeometries();i++){var g=gc.getGeometryN(i);this.add(g)}};jsts.geomgraph.GeometryGraph.prototype.addEdge=function(e){this.insertEdge(e);var coord=e.getCoordinates();this.insertPoint(this.argIndex,coord[0],Location.BOUNDARY);this.insertPoint(this.argIndex,coord[coord.length-1],Location.BOUNDARY)};jsts.geomgraph.GeometryGraph.prototype.addPoint=function(p){var coord=p.getCoordinate();this.insertPoint(this.argIndex,coord,Location.INTERIOR)};jsts.geomgraph.GeometryGraph.prototype.addLineString=function(line){var coord=jsts.geom.CoordinateArrays.removeRepeatedPoints(line.getCoordinates());if(coord.length<2){this.hasTooFewPoints=true;this.invalidPoint=coords[0];return}var e=new jsts.geomgraph.Edge(coord,new jsts.geomgraph.Label(this.argIndex,Location.INTERIOR));this.lineEdgeMap.put(line,e);this.insertEdge(e);Assert.isTrue(coord.length>=2,"found LineString with single point");this.insertBoundaryPoint(this.argIndex,coord[0]);this.insertBoundaryPoint(this.argIndex,coord[coord.length-1])};jsts.geomgraph.GeometryGraph.prototype.addPolygonRing=function(lr,cwLeft,cwRight){if(lr.isEmpty())return;var coord=jsts.geom.CoordinateArrays.removeRepeatedPoints(lr.getCoordinates());if(coord.length<4){this.hasTooFewPoints=true;this.invalidPoint=coord[0];return}var left=cwLeft;var right=cwRight;if(jsts.algorithm.CGAlgorithms.isCCW(coord)){left=cwRight;right=cwLeft}var e=new jsts.geomgraph.Edge(coord,new jsts.geomgraph.Label(this.argIndex,Location.BOUNDARY,left,right));this.lineEdgeMap.put(lr,e);this.insertEdge(e);this.insertPoint(this.argIndex,coord[0],Location.BOUNDARY)};jsts.geomgraph.GeometryGraph.prototype.addPolygon=function(p){this.addPolygonRing(p.getExteriorRing(),Location.EXTERIOR,Location.INTERIOR);for(var i=0;i<p.getNumInteriorRing();i++){var hole=p.getInteriorRingN(i);this.addPolygonRing(hole,Location.INTERIOR,Location.EXTERIOR)}};jsts.geomgraph.GeometryGraph.prototype.computeEdgeIntersections=function(g,li,includeProper){var si=new jsts.geomgraph.index.SegmentIntersector(li,includeProper,true);si.setBoundaryNodes(this.getBoundaryNodes(),g.getBoundaryNodes());var esi=this.createEdgeSetIntersector();esi.computeIntersections(this.edges,g.edges,si);return si};jsts.geomgraph.GeometryGraph.prototype.computeSelfNodes=function(li,computeRingSelfNodes){var si=new jsts.geomgraph.index.SegmentIntersector(li,true,false);var esi=this.createEdgeSetIntersector();if(!computeRingSelfNodes&&(this.parentGeom instanceof jsts.geom.LinearRing||this.parentGeom instanceof jsts.geom.Polygon||this.parentGeom instanceof jsts.geom.MultiPolygon)){esi.computeIntersections(this.edges,si,false)}else{esi.computeIntersections(this.edges,si,true)}this.addSelfIntersectionNodes(this.argIndex);return si};jsts.geomgraph.GeometryGraph.prototype.insertPoint=function(argIndex,coord,onLocation){var n=this.nodes.addNode(coord);var lbl=n.getLabel();if(lbl==null){n.label=new jsts.geomgraph.Label(argIndex,onLocation)}else lbl.setLocation(argIndex,onLocation)};jsts.geomgraph.GeometryGraph.prototype.insertBoundaryPoint=function(argIndex,coord){var n=this.nodes.addNode(coord);var lbl=n.getLabel();var boundaryCount=1;var loc=Location.NONE;if(lbl!==null)loc=lbl.getLocation(argIndex,Position.ON);if(loc===Location.BOUNDARY)boundaryCount++;var newLoc=jsts.geomgraph.GeometryGraph.determineBoundary(this.boundaryNodeRule,boundaryCount);lbl.setLocation(argIndex,newLoc)};jsts.geomgraph.GeometryGraph.prototype.addSelfIntersectionNodes=function(argIndex){for(var i=this.edges.iterator();i.hasNext();){var e=i.next();var eLoc=e.getLabel().getLocation(argIndex);for(var eiIt=e.eiList.iterator();eiIt.hasNext();){var ei=eiIt.next();this.addSelfIntersectionNode(argIndex,ei.coord,eLoc)}}};jsts.geomgraph.GeometryGraph.prototype.addSelfIntersectionNode=function(argIndex,coord,loc){if(this.isBoundaryNode(argIndex,coord))return;if(loc===Location.BOUNDARY&&this.useBoundaryDeterminationRule)this.insertBoundaryPoint(argIndex,coord);else this.insertPoint(argIndex,coord,loc)};jsts.geomgraph.GeometryGraph.prototype.getInvalidPoint=function(){return this.invalidPoint}})()},{}],5:[function(require,module,exports){javascript={util:{}};if(typeof module!=="undefined"){module.exports=javascript}(function(){function EmptyStackException(message){this.message=message||""}EmptyStackException.prototype=new Error;EmptyStackException.prototype.name="EmptyStackException";javascript.util.EmptyStackException=EmptyStackException})();(function(){function IndexOutOfBoundsException(message){this.message=message||""}IndexOutOfBoundsException.prototype=new Error;IndexOutOfBoundsException.prototype.name="IndexOutOfBoundsException";javascript.util.IndexOutOfBoundsException=IndexOutOfBoundsException})();(function(){function NoSuchElementException(message){this.message=message||""}NoSuchElementException.prototype=new Error;NoSuchElementException.prototype.name="NoSuchElementException";javascript.util.NoSuchElementException=NoSuchElementException})();(function(){function OperationNotSupported(message){this.message=message||""}OperationNotSupported.prototype=new Error;OperationNotSupported.prototype.name="OperationNotSupported";javascript.util.OperationNotSupported=OperationNotSupported})();(function(){function Map(){}Map.prototype.get=function(key){};Map.prototype.put=function(key,value){};Map.prototype.size=function(){};Map.prototype.values=function(){};javascript.util.Map=Map})();(function(){var Map=javascript.util.Map;function SortedMap(){}SortedMap.prototype=new Map;javascript.util.SortedMap=SortedMap})();(function(){function Arrays(){}Arrays.sort=function(){var a=arguments[0],i,t,comparator,compare;if(arguments.length===1){a.sort();return}else if(arguments.length===2){comparator=arguments[1];compare=function(a,b){return comparator["compare"](a,b)};a.sort(compare)}else if(arguments.length===3){t=a.slice(arguments[1],arguments[2]);t.sort();var r=a.slice(0,arguments[1]).concat(t,a.slice(arguments[2],a.length));a.splice(0,a.length);for(i=0;i<r.length;i++){a.push(r[i])}return}else if(arguments.length===4){t=a.slice(arguments[1],arguments[2]);comparator=arguments[3];compare=function(a,b){return comparator["compare"](a,b)};t.sort(compare);r=a.slice(0,arguments[1]).concat(t,a.slice(arguments[2],a.length));a.splice(0,a.length);for(i=0;i<r.length;i++){a.push(r[i])}return}};Arrays.asList=function(array){var arrayList=new javascript.util.ArrayList;for(var i=0,len=array.length;i<len;i++){arrayList.add(array[i])}return arrayList};javascript.util.Arrays=Arrays})();(function(){function Iterator(){}Iterator.prototype.hasNext=function(){};Iterator.prototype.next=function(){};Iterator.prototype.remove=function(){};javascript.util.Iterator=Iterator})();(function(){var Iterator=javascript.util.Iterator;function Collection(){}Collection.prototype.add=function(o){};Collection.prototype.addAll=function(c){};Collection.prototype.isEmpty=function(){};Collection.prototype.iterator=function(){};Collection.prototype.size=function(){};Collection.prototype.toArray=function(){};Collection.prototype.remove=function(o){};javascript.util.Collection=Collection})();(function(){var Collection=javascript.util.Collection;function List(){}List.prototype=new Collection;List.prototype.get=function(index){};List.prototype.set=function(index,element){};List.prototype.isEmpty=function(){};javascript.util.List=List})();(function(){var Collection=javascript.util.Collection;var List=javascript.util.List;var OperationNotSupported=javascript.util.OperationNotSupported;var NoSuchElementException=javascript.util.NoSuchElementException;var IndexOutOfBoundsException=javascript.util.IndexOutOfBoundsException;function ArrayList(){this.array=[];if(arguments[0]instanceof Collection){this.addAll(arguments[0])}}ArrayList.prototype=new List;ArrayList.prototype.array=null;ArrayList.prototype.add=function(e){this.array.push(e);return true};ArrayList.prototype.addAll=function(c){for(var i=c.iterator();i.hasNext();){this.add(i.next())}return true};ArrayList.prototype.set=function(index,element){var oldElement=this.array[index];this.array[index]=element;return oldElement};ArrayList.prototype.iterator=function(){return new ArrayList.Iterator(this)};ArrayList.prototype.get=function(index){if(index<0||index>=this.size()){throw new IndexOutOfBoundsException}return this.array[index]};ArrayList.prototype.isEmpty=function(){return this.array.length===0};ArrayList.prototype.size=function(){return this.array.length};ArrayList.prototype.toArray=function(){var array=[];for(var i=0,len=this.array.length;i<len;i++){array.push(this.array[i])}return array};ArrayList.prototype.remove=function(o){var found=false;for(var i=0,len=this.array.length;i<len;i++){if(this.array[i]===o){this.array.splice(i,1);found=true;break}}return found};ArrayList.Iterator=function(arrayList){this.arrayList=arrayList};ArrayList.Iterator.prototype.arrayList=null;ArrayList.Iterator.prototype.position=0;ArrayList.Iterator.prototype.next=function(){if(this.position===this.arrayList.size()){throw new NoSuchElementException}return this.arrayList.get(this.position++)};ArrayList.Iterator.prototype.hasNext=function(){if(this.position<this.arrayList.size()){return true}return false};ArrayList.Iterator.prototype.remove=function(){throw new OperationNotSupported};javascript.util.ArrayList=ArrayList})();(function(){var Map=javascript.util.Map;var ArrayList=javascript.util.ArrayList;function HashMap(){this.object={}}HashMap.prototype=new Map;HashMap.prototype.object=null;HashMap.prototype.get=function(key){return this.object[key]||null};HashMap.prototype.put=function(key,value){this.object[key]=value;return value};HashMap.prototype.values=function(){var arrayList=new javascript.util.ArrayList;for(var key in this.object){if(this.object.hasOwnProperty(key)){arrayList.add(this.object[key])}}return arrayList};HashMap.prototype.size=function(){return this.values().size()};javascript.util.HashMap=HashMap})();(function(){var Collection=javascript.util.Collection;function Set(){}Set.prototype=new Collection;Set.prototype.contains=function(o){};javascript.util.Set=Set})();(function(){var Set=javascript.util.Set;function SortedSet(){}SortedSet.prototype=new Set;javascript.util.SortedSet=SortedSet})();(function(){var Collection=javascript.util.Collection;var SortedSet=javascript.util.SortedSet;var OperationNotSupported=javascript.util.OperationNotSupported;var NoSuchElementException=javascript.util.NoSuchElementException;function TreeSet(){this.array=[];if(arguments[0]instanceof Collection){this.addAll(arguments[0])}}TreeSet.prototype=new SortedSet;TreeSet.prototype.array=null;TreeSet.prototype.contains=function(o){for(var i=0,len=this.array.length;i<len;i++){var e=this.array[i];if(e["compareTo"](o)===0){return true}}return false};TreeSet.prototype.add=function(o){if(this.contains(o)){return false}for(var i=0,len=this.array.length;i<len;i++){var e=this.array[i];if(e["compareTo"](o)===1){this.array.splice(i,0,o);return true}}this.array.push(o);return true};TreeSet.prototype.addAll=function(c){for(var i=c.iterator();i.hasNext();){this.add(i.next())}return true};TreeSet.prototype.remove=function(o){throw new OperationNotSupported};TreeSet.prototype.size=function(){return this.array.length};TreeSet.prototype.isEmpty=function(){return this.array.length===0};TreeSet.prototype.toArray=function(){var array=[];for(var i=0,len=this.array.length;i<len;i++){array.push(this.array[i])}return array};TreeSet.prototype.iterator=function(){return new TreeSet.Iterator(this)};TreeSet.Iterator=function(treeSet){this.treeSet=treeSet};TreeSet.Iterator.prototype.treeSet=null;TreeSet.Iterator.prototype.position=0;TreeSet.Iterator.prototype.next=function(){if(this.position===this.treeSet.size()){throw new NoSuchElementException}return this.treeSet.array[this.position++]};TreeSet.Iterator.prototype.hasNext=function(){if(this.position<this.treeSet.size()){return true}return false};TreeSet.Iterator.prototype.remove=function(){throw new javascript.util.OperationNotSupported};javascript.util.TreeSet=TreeSet})();(function(){var List=javascript.util.List;var EmptyStackException=javascript.util.EmptyStackException;function Stack(){this.array=[]}Stack.prototype=new List;Stack.prototype.array=null;Stack.prototype.push=function(e){this.array.push(e);return e};Stack.prototype.pop=function(e){if(this.array.length===0){throw new EmptyStackException}return this.array.pop()};Stack.prototype.peek=function(){if(this.array.length===0){throw new EmptyStackException}return this.array[this.array.length-1]};Stack.prototype.empty=function(e){if(this.array.length===0){return true}else{return false}};Stack.prototype.isEmpty=function(){return this.empty()};Stack.prototype.search=function(o){return this.array.indexOf(o)};Stack.prototype.size=function(){return this.array.length};Stack.prototype.toArray=function(){var array=[];for(var i=0,len=this.array.length;i<len;i++){array.push(this.array[i])}return array};javascript.util.Stack=Stack})();(function(){var Map=javascript.util.Map;var SortedMap=javascript.util.SortedMap;var ArrayList=javascript.util.ArrayList;function TreeMap(){this.array=[]}TreeMap.prototype=new Map;TreeMap.prototype.array=null;TreeMap.prototype.get=function(key){for(var i=0,len=this.array.length;i<len;i++){var e=this.array[i];if(e.key["compareTo"](key)===0){return e.value}}return null};TreeMap.prototype.put=function(key,value){var e=this.get(key);if(e){var oldValue=e.value;e.value=value;return oldValue}var newElement={key:key,value:value};for(var i=0,len=this.array.length;i<len;i++){e=this.array[i];if(e.key["compareTo"](key)===1){this.array.splice(i,0,newElement);return null}}this.array.push({key:key,value:value});return null};TreeMap.prototype.values=function(){var arrayList=new javascript.util.ArrayList;for(var i=0,len=this.array.length;i<len;i++){arrayList.add(this.array[i].value)}return arrayList};TreeMap.prototype.size=function(){return this.values().size()};javascript.util.TreeMap=TreeMap})();(function(){var Collection=javascript.util.Collection;var Set=javascript.util.Set;var OperationNotSupported=javascript.util.OperationNotSupported;var NoSuchElementException=javascript.util.NoSuchElementException;function HashSet(){this.array=[];if(arguments[0]instanceof Collection){this.addAll(arguments[0])}}HashSet.prototype=new Set;HashSet.prototype.array=null;HashSet.prototype.contains=function(o){for(var i=0,len=this.array.length;i<len;i++){var e=this.array[i];if(e===o){return true}}return false};HashSet.prototype.add=function(o){if(this.contains(o)){return false}this.array.push(o);return true};HashSet.prototype.addAll=function(c){for(var i=c.iterator();i.hasNext();){this.add(i.next())}return true};HashSet.prototype.remove=function(o){throw new OperationNotSupported};HashSet.prototype.size=function(){return this.array.length};HashSet.prototype.isEmpty=function(){return this.array.length===0};HashSet.prototype.toArray=function(){var array=[];for(var i=0,len=this.array.length;i<len;i++){array.push(this.array[i])}return array};HashSet.prototype.iterator=function(){return new HashSet.Iterator(this)};HashSet.Iterator=function(hashSet){this.hashSet=hashSet};HashSet.Iterator.prototype.hashSet=null;HashSet.Iterator.prototype.position=0;HashSet.Iterator.prototype.next=function(){if(this.position===this.hashSet.size()){throw new NoSuchElementException}return this.hashSet.array[this.position++]};HashSet.Iterator.prototype.hasNext=function(){if(this.position<this.hashSet.size()){return true}return false};HashSet.Iterator.prototype.remove=function(){throw new javascript.util.OperationNotSupported};javascript.util.HashSet=HashSet})()},{}],6:[function(require,module,exports){module.exports=function(fc){var type=fc.features[0].geometry.type;var err;var geometries=fc.features.map(function(f){return f.geometry});switch(type){case"Point":var multiPoint={type:"Feature",geometry:{type:"MultiPoint",coordinates:[]}};multiPoint.geometry.coordinates=pluckCoods(geometries);return multiPoint;break;case"LineString":var multiLineString={type:"Feature",geometry:{type:"MultiLineString",coordinates:[]}};multiLineString.geometry.coordinates=pluckCoods(geometries);return multiLineString;break;case"Polygon":var multiPolygon={type:"Feature",geometry:{type:"MultiPolygon",coordinates:[]}};multiPolygon.geometry.coordinates=pluckCoods(geometries);return multiPolygon;break}};function pluckCoods(multi){return multi.map(function(geom){return geom.coordinates})}},{}],7:[function(require,module,exports){module.exports=function(features){var fc={type:"FeatureCollection",features:features};return fc}},{}],8:[function(require,module,exports){module.exports=function(coordinates,properties){if(coordinates===null)return new Error("No coordinates passed");var polygon={type:"Feature",geometry:{type:"Polygon",coordinates:coordinates},properties:properties};if(!polygon.properties){polygon.properties={}}return polygon}},{}]},{},[]);require=function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);throw new Error("Cannot find module '"+o+"'")}var f=n[o]={exports:{}};t[o][0].call(f.exports,function(e){var n=t[o][1][e];return s(n?n:e)},f,f.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}({UsqOEx:[function(require,module,exports){module.exports=parse;var map={legend:[1,"<fieldset>","</fieldset>"],tr:[2,"<table><tbody>","</tbody></table>"],col:[2,"<table><tbody></tbody><colgroup>","</colgroup></table>"],_default:[0,"",""]};map.td=map.th=[3,"<table><tbody><tr>","</tr></tbody></table>"];map.option=map.optgroup=[1,'<select 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lo},right:function(a,x,lo,hi){if(arguments.length<3)lo=0;if(arguments.length<4)hi=a.length;while(lo<hi){var mid=lo+hi>>>1;if(compare(a[mid],x)>0)hi=mid;else lo=mid+1}return lo}}}var d3_bisect=d3_bisector(d3_ascending);d3.bisectLeft=d3_bisect.left;d3.bisect=d3.bisectRight=d3_bisect.right;d3.bisector=function(f){return d3_bisector(f.length===1?function(d,x){return d3_ascending(f(d),x)}:f)};d3.shuffle=function(array){var m=array.length,t,i;while(m){i=Math.random()*m--|0;t=array[m],array[m]=array[i],array[i]=t}return array};d3.permute=function(array,indexes){var i=indexes.length,permutes=new Array(i);while(i--)permutes[i]=array[indexes[i]];return permutes};d3.pairs=function(array){var i=0,n=array.length-1,p0,p1=array[0],pairs=new Array(n<0?0:n);while(i<n)pairs[i]=[p0=p1,p1=array[++i]];return pairs};d3.zip=function(){if(!(n=arguments.length))return[];for(var i=-1,m=d3.min(arguments,d3_zipLength),zips=new Array(m);++i<m;){for(var j=-1,n,zip=zips[i]=new 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d3_Map,values;while(++i<n){if(values=valuesByKey.get(keyValue=key(object=array[i]))){values.push(object)}else{valuesByKey.set(keyValue,[object])}}if(mapType){object=mapType();setter=function(keyValue,values){object.set(keyValue,map(mapType,values,depth))}}else{object={};setter=function(keyValue,values){object[keyValue]=map(mapType,values,depth)}}valuesByKey.forEach(setter);return object}function entries(map,depth){if(depth>=keys.length)return map;var array=[],sortKey=sortKeys[depth++];map.forEach(function(key,keyMap){array.push({key:key,values:entries(keyMap,depth)})});return sortKey?array.sort(function(a,b){return sortKey(a.key,b.key)}):array}nest.map=function(array,mapType){return map(mapType,array,0)};nest.entries=function(array){return entries(map(d3.map,array,0),0)};nest.key=function(d){keys.push(d);return nest};nest.sortKeys=function(order){sortKeys[keys.length-1]=order;return nest};nest.sortValues=function(order){sortValues=order;return nest};nest.rollup=function(f){rollup=f;return nest};return nest};d3.set=function(array){var set=new d3_Set;if(array)for(var i=0,n=array.length;i<n;++i)set.add(array[i]);return set};function d3_Set(){}d3_class(d3_Set,{has:d3_map_has,add:function(value){this[d3_map_prefix+value]=true;return value},remove:function(value){value=d3_map_prefix+value;return value in this&&delete this[value]},values:d3_map_keys,size:d3_map_size,empty:d3_map_empty,forEach:function(f){for(var value in this)if(value.charCodeAt(0)===d3_map_prefixCode)f.call(this,value.substring(1))}});d3.behavior={};d3.rebind=function(target,source){var i=1,n=arguments.length,method;while(++i<n)target[method=arguments[i]]=d3_rebind(target,source,source[method]);return target};function d3_rebind(target,source,method){return function(){var value=method.apply(source,arguments);return value===source?target:value}}function d3_vendorSymbol(object,name){if(name in object)return name;name=name.charAt(0).toUpperCase()+name.substring(1);for(var i=0,n=d3_vendorPrefixes.length;i<n;++i){var prefixName=d3_vendorPrefixes[i]+name;if(prefixName in object)return prefixName}}var d3_vendorPrefixes=["webkit","ms","moz","Moz","o","O"];function d3_noop(){}d3.dispatch=function(){var dispatch=new d3_dispatch,i=-1,n=arguments.length;while(++i<n)dispatch[arguments[i]]=d3_dispatch_event(dispatch);return dispatch};function d3_dispatch(){}d3_dispatch.prototype.on=function(type,listener){var i=type.indexOf("."),name="";if(i>=0){name=type.substring(i+1);type=type.substring(0,i)}if(type)return arguments.length<2?this[type].on(name):this[type].on(name,listener);if(arguments.length===2){if(listener==null)for(type in this){if(this.hasOwnProperty(type))this[type].on(name,null)}return this}};function d3_dispatch_event(dispatch){var listeners=[],listenerByName=new d3_Map;function event(){var z=listeners,i=-1,n=z.length,l;
while(++i<n)if(l=z[i].on)l.apply(this,arguments);return dispatch}event.on=function(name,listener){var l=listenerByName.get(name),i;if(arguments.length<2)return l&&l.on;if(l){l.on=null;listeners=listeners.slice(0,i=listeners.indexOf(l)).concat(listeners.slice(i+1));listenerByName.remove(name)}if(listener)listeners.push(listenerByName.set(name,{on:listener}));return dispatch};return event}d3.event=null;function d3_eventPreventDefault(){d3.event.preventDefault()}function d3_eventSource(){var e=d3.event,s;while(s=e.sourceEvent)e=s;return e}function d3_eventDispatch(target){var dispatch=new d3_dispatch,i=0,n=arguments.length;while(++i<n)dispatch[arguments[i]]=d3_dispatch_event(dispatch);dispatch.of=function(thiz,argumentz){return function(e1){try{var e0=e1.sourceEvent=d3.event;e1.target=target;d3.event=e1;dispatch[e1.type].apply(thiz,argumentz)}finally{d3.event=e0}}};return dispatch}d3.requote=function(s){return s.replace(d3_requote_re,"\\$&")};var d3_requote_re=/[\\\^\$\*\+\?\|\[\]\(\)\.\{\}]/g;var d3_subclass={}.__proto__?function(object,prototype){object.__proto__=prototype}:function(object,prototype){for(var property in prototype)object[property]=prototype[property]};function d3_selection(groups){d3_subclass(groups,d3_selectionPrototype);return groups}var d3_select=function(s,n){return n.querySelector(s)},d3_selectAll=function(s,n){return n.querySelectorAll(s)},d3_selectMatcher=d3_documentElement[d3_vendorSymbol(d3_documentElement,"matchesSelector")],d3_selectMatches=function(n,s){return d3_selectMatcher.call(n,s)};if(typeof Sizzle==="function"){d3_select=function(s,n){return Sizzle(s,n)[0]||null};d3_selectAll=Sizzle;d3_selectMatches=Sizzle.matchesSelector}d3.selection=function(){return d3_selectionRoot};var d3_selectionPrototype=d3.selection.prototype=[];d3_selectionPrototype.select=function(selector){var subgroups=[],subgroup,subnode,group,node;selector=d3_selection_selector(selector);for(var j=-1,m=this.length;++j<m;){subgroups.push(subgroup=[]);subgroup.parentNode=(group=this[j]).parentNode;for(var i=-1,n=group.length;++i<n;){if(node=group[i]){subgroup.push(subnode=selector.call(node,node.__data__,i,j));if(subnode&&"__data__"in node)subnode.__data__=node.__data__}else{subgroup.push(null)}}}return d3_selection(subgroups)};function d3_selection_selector(selector){return typeof selector==="function"?selector:function(){return d3_select(selector,this)}}d3_selectionPrototype.selectAll=function(selector){var subgroups=[],subgroup,node;selector=d3_selection_selectorAll(selector);for(var j=-1,m=this.length;++j<m;){for(var group=this[j],i=-1,n=group.length;++i<n;){if(node=group[i]){subgroups.push(subgroup=d3_array(selector.call(node,node.__data__,i,j)));subgroup.parentNode=node}}}return d3_selection(subgroups)};function d3_selection_selectorAll(selector){return typeof selector==="function"?selector:function(){return d3_selectAll(selector,this)}}var d3_nsPrefix={svg:"http://www.w3.org/2000/svg",xhtml:"http://www.w3.org/1999/xhtml",xlink:"http://www.w3.org/1999/xlink",xml:"http://www.w3.org/XML/1998/namespace",xmlns:"http://www.w3.org/2000/xmlns/"};d3.ns={prefix:d3_nsPrefix,qualify:function(name){var i=name.indexOf(":"),prefix=name;if(i>=0){prefix=name.substring(0,i);name=name.substring(i+1)}return d3_nsPrefix.hasOwnProperty(prefix)?{space:d3_nsPrefix[prefix],local:name}:name}};d3_selectionPrototype.attr=function(name,value){if(arguments.length<2){if(typeof name==="string"){var node=this.node();name=d3.ns.qualify(name);return name.local?node.getAttributeNS(name.space,name.local):node.getAttribute(name)}for(value in name)this.each(d3_selection_attr(value,name[value]));return this}return this.each(d3_selection_attr(name,value))};function d3_selection_attr(name,value){name=d3.ns.qualify(name);function attrNull(){this.removeAttribute(name)}function attrNullNS(){this.removeAttributeNS(name.space,name.local)}function attrConstant(){this.setAttribute(name,value)}function attrConstantNS(){this.setAttributeNS(name.space,name.local,value)}function attrFunction(){var x=value.apply(this,arguments);if(x==null)this.removeAttribute(name);else this.setAttribute(name,x)}function attrFunctionNS(){var x=value.apply(this,arguments);if(x==null)this.removeAttributeNS(name.space,name.local);else this.setAttributeNS(name.space,name.local,x)}return value==null?name.local?attrNullNS:attrNull:typeof value==="function"?name.local?attrFunctionNS:attrFunction:name.local?attrConstantNS:attrConstant}function d3_collapse(s){return s.trim().replace(/\s+/g," ")}d3_selectionPrototype.classed=function(name,value){if(arguments.length<2){if(typeof name==="string"){var node=this.node(),n=(name=d3_selection_classes(name)).length,i=-1;if(value=node.classList){while(++i<n)if(!value.contains(name[i]))return false}else{value=node.getAttribute("class");while(++i<n)if(!d3_selection_classedRe(name[i]).test(value))return false}return true}for(value in name)this.each(d3_selection_classed(value,name[value]));return this}return this.each(d3_selection_classed(name,value))};function d3_selection_classedRe(name){return new RegExp("(?:^|\\s+)"+d3.requote(name)+"(?:\\s+|$)","g")}function d3_selection_classes(name){return name.trim().split(/^|\s+/)}function d3_selection_classed(name,value){name=d3_selection_classes(name).map(d3_selection_classedName);var n=name.length;function classedConstant(){var i=-1;while(++i<n)name[i](this,value)}function classedFunction(){var i=-1,x=value.apply(this,arguments);while(++i<n)name[i](this,x)}return typeof value==="function"?classedFunction:classedConstant}function d3_selection_classedName(name){var re=d3_selection_classedRe(name);return function(node,value){if(c=node.classList)return value?c.add(name):c.remove(name);var c=node.getAttribute("class")||"";if(value){re.lastIndex=0;if(!re.test(c))node.setAttribute("class",d3_collapse(c+" 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name)this.each(d3_selection_property(value,name[value]));return this}return this.each(d3_selection_property(name,value))};function d3_selection_property(name,value){function propertyNull(){delete this[name]}function propertyConstant(){this[name]=value}function propertyFunction(){var x=value.apply(this,arguments);if(x==null)delete this[name];else this[name]=x}return value==null?propertyNull:typeof value==="function"?propertyFunction:propertyConstant}d3_selectionPrototype.text=function(value){return arguments.length?this.each(typeof value==="function"?function(){var v=value.apply(this,arguments);this.textContent=v==null?"":v}:value==null?function(){this.textContent=""}:function(){this.textContent=value}):this.node().textContent};d3_selectionPrototype.html=function(value){return arguments.length?this.each(typeof value==="function"?function(){var v=value.apply(this,arguments);this.innerHTML=v==null?"":v}:value==null?function(){this.innerHTML=""}:function(){this.innerHTML=value}):this.node().innerHTML};d3_selectionPrototype.append=function(name){name=d3_selection_creator(name);return this.select(function(){return this.appendChild(name.apply(this,arguments))})};function d3_selection_creator(name){return typeof name==="function"?name:(name=d3.ns.qualify(name)).local?function(){return this.ownerDocument.createElementNS(name.space,name.local)}:function(){return this.ownerDocument.createElementNS(this.namespaceURI,name)}}d3_selectionPrototype.insert=function(name,before){name=d3_selection_creator(name);before=d3_selection_selector(before);return this.select(function(){return this.insertBefore(name.apply(this,arguments),before.apply(this,arguments)||null)})};d3_selectionPrototype.remove=function(){return this.each(function(){var parent=this.parentNode;if(parent)parent.removeChild(this)})};d3_selectionPrototype.data=function(value,key){var i=-1,n=this.length,group,node;if(!arguments.length){value=new Array(n=(group=this[0]).length);while(++i<n){if(node=group[i]){value[i]=node.__data__}}return value}function bind(group,groupData){var i,n=group.length,m=groupData.length,n0=Math.min(n,m),updateNodes=new Array(m),enterNodes=new Array(m),exitNodes=new Array(n),node,nodeData;if(key){var nodeByKeyValue=new d3_Map,dataByKeyValue=new d3_Map,keyValues=[],keyValue;for(i=-1;++i<n;){keyValue=key.call(node=group[i],node.__data__,i);if(nodeByKeyValue.has(keyValue)){exitNodes[i]=node}else{nodeByKeyValue.set(keyValue,node)}keyValues.push(keyValue)}for(i=-1;++i<m;){keyValue=key.call(groupData,nodeData=groupData[i],i);if(node=nodeByKeyValue.get(keyValue)){updateNodes[i]=node;node.__data__=nodeData}else if(!dataByKeyValue.has(keyValue)){enterNodes[i]=d3_selection_dataNode(nodeData)}dataByKeyValue.set(keyValue,nodeData);nodeByKeyValue.remove(keyValue)}for(i=-1;++i<n;){if(nodeByKeyValue.has(keyValues[i])){exitNodes[i]=group[i]}}}else{for(i=-1;++i<n0;){node=group[i];nodeData=groupData[i];if(node){node.__data__=nodeData;updateNodes[i]=node}else{enterNodes[i]=d3_selection_dataNode(nodeData)}}for(;i<m;++i){enterNodes[i]=d3_selection_dataNode(groupData[i])}for(;i<n;++i){exitNodes[i]=group[i]}}enterNodes.update=updateNodes;enterNodes.parentNode=updateNodes.parentNode=exitNodes.parentNode=group.parentNode;enter.push(enterNodes);update.push(updateNodes);exit.push(exitNodes)}var enter=d3_selection_enter([]),update=d3_selection([]),exit=d3_selection([]);if(typeof value==="function"){while(++i<n){bind(group=this[i],value.call(group,group.parentNode.__data__,i))}}else{while(++i<n){bind(group=this[i],value)}}update.enter=function(){return enter};update.exit=function(){return exit};return update};function d3_selection_dataNode(data){return{__data__:data}}d3_selectionPrototype.datum=function(value){return arguments.length?this.property("__data__",value):this.property("__data__")};d3_selectionPrototype.filter=function(filter){var subgroups=[],subgroup,group,node;if(typeof filter!=="function")filter=d3_selection_filter(filter);for(var j=0,m=this.length;j<m;j++){subgroups.push(subgroup=[]);subgroup.parentNode=(group=this[j]).parentNode;for(var i=0,n=group.length;i<n;i++){if((node=group[i])&&filter.call(node,node.__data__,i,j)){subgroup.push(node)}}}return d3_selection(subgroups)};function d3_selection_filter(selector){return function(){return d3_selectMatches(this,selector)}}d3_selectionPrototype.order=function(){for(var j=-1,m=this.length;++j<m;){for(var group=this[j],i=group.length-1,next=group[i],node;--i>=0;){if(node=group[i]){if(next&&next!==node.nextSibling)next.parentNode.insertBefore(node,next);next=node}}}return this};d3_selectionPrototype.sort=function(comparator){comparator=d3_selection_sortComparator.apply(this,arguments);for(var j=-1,m=this.length;++j<m;)this[j].sort(comparator);return this.order()};function d3_selection_sortComparator(comparator){if(!arguments.length)comparator=d3_ascending;return function(a,b){return a&&b?comparator(a.__data__,b.__data__):!a-!b}}d3_selectionPrototype.each=function(callback){return d3_selection_each(this,function(node,i,j){callback.call(node,node.__data__,i,j)})};function d3_selection_each(groups,callback){for(var j=0,m=groups.length;j<m;j++){for(var group=groups[j],i=0,n=group.length,node;i<n;i++){if(node=group[i])callback(node,i,j)}}return groups}d3_selectionPrototype.call=function(callback){var args=d3_array(arguments);callback.apply(args[0]=this,args);return this};d3_selectionPrototype.empty=function(){return!this.node()};d3_selectionPrototype.node=function(){for(var j=0,m=this.length;j<m;j++){for(var group=this[j],i=0,n=group.length;i<n;i++){var node=group[i];if(node)return node}}return null};d3_selectionPrototype.size=function(){var n=0;this.each(function(){++n});return n};function d3_selection_enter(selection){d3_subclass(selection,d3_selection_enterPrototype);return selection}var d3_selection_enterPrototype=[];d3.selection.enter=d3_selection_enter;d3.selection.enter.prototype=d3_selection_enterPrototype;d3_selection_enterPrototype.append=d3_selectionPrototype.append;d3_selection_enterPrototype.empty=d3_selectionPrototype.empty;d3_selection_enterPrototype.node=d3_selectionPrototype.node;d3_selection_enterPrototype.call=d3_selectionPrototype.call;d3_selection_enterPrototype.size=d3_selectionPrototype.size;d3_selection_enterPrototype.select=function(selector){var subgroups=[],subgroup,subnode,upgroup,group,node;for(var j=-1,m=this.length;++j<m;){upgroup=(group=this[j]).update;subgroups.push(subgroup=[]);subgroup.parentNode=group.parentNode;for(var i=-1,n=group.length;++i<n;){if(node=group[i]){subgroup.push(upgroup[i]=subnode=selector.call(group.parentNode,node.__data__,i,j));subnode.__data__=node.__data__}else{subgroup.push(null)}}}return d3_selection(subgroups)};d3_selection_enterPrototype.insert=function(name,before){if(arguments.length<2)before=d3_selection_enterInsertBefore(this);return d3_selectionPrototype.insert.call(this,name,before)};function d3_selection_enterInsertBefore(enter){var i0,j0;return function(d,i,j){var group=enter[j].update,n=group.length,node;if(j!=j0)j0=j,i0=0;if(i>=i0)i0=i+1;while(!(node=group[i0])&&++i0<n);return node}}d3_selectionPrototype.transition=function(){var id=d3_transitionInheritId||++d3_transitionId,subgroups=[],subgroup,node,transition=d3_transitionInherit||{time:Date.now(),ease:d3_ease_cubicInOut,delay:0,duration:250};for(var j=-1,m=this.length;++j<m;){subgroups.push(subgroup=[]);for(var group=this[j],i=-1,n=group.length;++i<n;){if(node=group[i])d3_transitionNode(node,i,id,transition);subgroup.push(node)}}return d3_transition(subgroups,id)};d3_selectionPrototype.interrupt=function(){return this.each(d3_selection_interrupt)};function d3_selection_interrupt(){var lock=this.__transition__;if(lock)++lock.active}d3.select=function(node){var group=[typeof node==="string"?d3_select(node,d3_document):node];group.parentNode=d3_documentElement;return d3_selection([group])};d3.selectAll=function(nodes){var group=d3_array(typeof nodes==="string"?d3_selectAll(nodes,d3_document):nodes);group.parentNode=d3_documentElement;return d3_selection([group])};var d3_selectionRoot=d3.select(d3_documentElement);d3_selectionPrototype.on=function(type,listener,capture){var n=arguments.length;if(n<3){if(typeof type!=="string"){if(n<2)listener=false;for(capture in type)this.each(d3_selection_on(capture,type[capture],listener));return this}if(n<2)return(n=this.node()["__on"+type])&&n._;capture=false}return this.each(d3_selection_on(type,listener,capture))};function d3_selection_on(type,listener,capture){var name="__on"+type,i=type.indexOf("."),wrap=d3_selection_onListener;if(i>0)type=type.substring(0,i);var filter=d3_selection_onFilters.get(type);if(filter)type=filter,wrap=d3_selection_onFilter;function onRemove(){var l=this[name];if(l){this.removeEventListener(type,l,l.$);delete this[name]}}function onAdd(){var l=wrap(listener,d3_array(arguments));onRemove.call(this);this.addEventListener(type,this[name]=l,l.$=capture);l._=listener}function removeAll(){var re=new RegExp("^__on([^.]+)"+d3.requote(type)+"$"),match;for(var name in this){if(match=name.match(re)){var l=this[name];this.removeEventListener(match[1],l,l.$);delete this[name]}}}return i?listener?onAdd:onRemove:listener?d3_noop:removeAll}var d3_selection_onFilters=d3.map({mouseenter:"mouseover",mouseleave:"mouseout"});d3_selection_onFilters.forEach(function(k){if("on"+k in d3_document)d3_selection_onFilters.remove(k)});function d3_selection_onListener(listener,argumentz){return function(e){var o=d3.event;d3.event=e;argumentz[0]=this.__data__;try{listener.apply(this,argumentz)}finally{d3.event=o}}}function d3_selection_onFilter(listener,argumentz){var l=d3_selection_onListener(listener,argumentz);return function(e){var target=this,related=e.relatedTarget;if(!related||related!==target&&!(related.compareDocumentPosition(target)&8)){l.call(target,e)}}}var d3_event_dragSelect="onselectstart"in d3_document?null:d3_vendorSymbol(d3_documentElement.style,"userSelect"),d3_event_dragId=0;function d3_event_dragSuppress(){var name=".dragsuppress-"+ ++d3_event_dragId,click="click"+name,w=d3.select(d3_window).on("touchmove"+name,d3_eventPreventDefault).on("dragstart"+name,d3_eventPreventDefault).on("selectstart"+name,d3_eventPreventDefault);if(d3_event_dragSelect){var style=d3_documentElement.style,select=style[d3_event_dragSelect];style[d3_event_dragSelect]="none"}return function(suppressClick){w.on(name,null);if(d3_event_dragSelect)style[d3_event_dragSelect]=select;if(suppressClick){function off(){w.on(click,null)}w.on(click,function(){d3_eventPreventDefault();off()},true);setTimeout(off,0)}}}d3.mouse=function(container){return d3_mousePoint(container,d3_eventSource())};function d3_mousePoint(container,e){if(e.changedTouches)e=e.changedTouches[0];var svg=container.ownerSVGElement||container;if(svg.createSVGPoint){var point=svg.createSVGPoint();point.x=e.clientX,point.y=e.clientY;point=point.matrixTransform(container.getScreenCTM().inverse());return[point.x,point.y]}var rect=container.getBoundingClientRect();return[e.clientX-rect.left-container.clientLeft,e.clientY-rect.top-container.clientTop]}d3.touches=function(container,touches){if(arguments.length<2)touches=d3_eventSource().touches;return touches?d3_array(touches).map(function(touch){var point=d3_mousePoint(container,touch);point.identifier=touch.identifier;return point}):[]};d3.behavior.drag=function(){var event=d3_eventDispatch(drag,"drag","dragstart","dragend"),origin=null,mousedown=dragstart(d3_noop,d3.mouse,d3_behavior_dragMouseSubject,"mousemove","mouseup"),touchstart=dragstart(d3_behavior_dragTouchId,d3.touch,d3_behavior_dragTouchSubject,"touchmove","touchend");function drag(){this.on("mousedown.drag",mousedown).on("touchstart.drag",touchstart)}function dragstart(id,position,subject,move,end){return function(){var that=this,target=d3.event.target,parent=that.parentNode,dispatch=event.of(that,arguments),dragged=0,dragId=id(),dragName=".drag"+(dragId==null?"":"-"+dragId),dragOffset,dragSubject=d3.select(subject()).on(move+dragName,moved).on(end+dragName,ended),dragRestore=d3_event_dragSuppress(),position0=position(parent,dragId);if(origin){dragOffset=origin.apply(that,arguments);dragOffset=[dragOffset.x-position0[0],dragOffset.y-position0[1]]}else{dragOffset=[0,0]}dispatch({type:"dragstart"});function moved(){var position1=position(parent,dragId),dx,dy;if(!position1)return;dx=position1[0]-position0[0];dy=position1[1]-position0[1];dragged|=dx|dy;position0=position1;dispatch({type:"drag",x:position1[0]+dragOffset[0],y:position1[1]+dragOffset[1],dx:dx,dy:dy})}function ended(){if(!position(parent,dragId))return;dragSubject.on(move+dragName,null).on(end+dragName,null);dragRestore(dragged&&d3.event.target===target);dispatch({type:"dragend"})}}}drag.origin=function(x){if(!arguments.length)return origin;origin=x;return drag};return d3.rebind(drag,event,"on")};function d3_behavior_dragTouchId(){return d3.event.changedTouches[0].identifier}function d3_behavior_dragTouchSubject(){return d3.event.target}function d3_behavior_dragMouseSubject(){return d3_window}var π=Math.PI,τ=2*π,halfπ=π/2,ε=1e-6,ε2=ε*ε,d3_radians=π/180,d3_degrees=180/π;function d3_sgn(x){return x>0?1:x<0?-1:0}function d3_cross2d(a,b,c){return(b[0]-a[0])*(c[1]-a[1])-(b[1]-a[1])*(c[0]-a[0])}function d3_acos(x){return x>1?0:x<-1?π:Math.acos(x)}function d3_asin(x){return x>1?halfπ:x<-1?-halfπ:Math.asin(x)}function d3_sinh(x){return((x=Math.exp(x))-1/x)/2}function d3_cosh(x){return((x=Math.exp(x))+1/x)/2}function d3_tanh(x){return((x=Math.exp(2*x))-1)/(x+1)}function d3_haversin(x){return(x=Math.sin(x/2))*x}var ρ=Math.SQRT2,ρ2=2,ρ4=4;d3.interpolateZoom=function(p0,p1){var ux0=p0[0],uy0=p0[1],w0=p0[2],ux1=p1[0],uy1=p1[1],w1=p1[2];var dx=ux1-ux0,dy=uy1-uy0,d2=dx*dx+dy*dy,d1=Math.sqrt(d2),b0=(w1*w1-w0*w0+ρ4*d2)/(2*w0*ρ2*d1),b1=(w1*w1-w0*w0-ρ4*d2)/(2*w1*ρ2*d1),r0=Math.log(Math.sqrt(b0*b0+1)-b0),r1=Math.log(Math.sqrt(b1*b1+1)-b1),dr=r1-r0,S=(dr||Math.log(w1/w0))/ρ;function interpolate(t){var s=t*S;if(dr){var coshr0=d3_cosh(r0),u=w0/(ρ2*d1)*(coshr0*d3_tanh(ρ*s+r0)-d3_sinh(r0));return[ux0+u*dx,uy0+u*dy,w0*coshr0/d3_cosh(ρ*s+r0)]}return[ux0+t*dx,uy0+t*dy,w0*Math.exp(ρ*s)]}interpolate.duration=S*1e3;return interpolate};d3.behavior.zoom=function(){var view={x:0,y:0,k:1},translate0,center,size=[960,500],scaleExtent=d3_behavior_zoomInfinity,mousedown="mousedown.zoom",mousemove="mousemove.zoom",mouseup="mouseup.zoom",mousewheelTimer,touchstart="touchstart.zoom",touchtime,event=d3_eventDispatch(zoom,"zoomstart","zoom","zoomend"),x0,x1,y0,y1;function zoom(g){g.on(mousedown,mousedowned).on(d3_behavior_zoomWheel+".zoom",mousewheeled).on(mousemove,mousewheelreset).on("dblclick.zoom",dblclicked).on(touchstart,touchstarted)}zoom.event=function(g){g.each(function(){var dispatch=event.of(this,arguments),view1=view;if(d3_transitionInheritId){d3.select(this).transition().each("start.zoom",function(){view=this.__chart__||{x:0,y:0,k:1};zoomstarted(dispatch)}).tween("zoom:zoom",function(){var dx=size[0],dy=size[1],cx=dx/2,cy=dy/2,i=d3.interpolateZoom([(cx-view.x)/view.k,(cy-view.y)/view.k,dx/view.k],[(cx-view1.x)/view1.k,(cy-view1.y)/view1.k,dx/view1.k]);return function(t){var l=i(t),k=dx/l[2];this.__chart__=view={x:cx-l[0]*k,y:cy-l[1]*k,k:k};zoomed(dispatch)}}).each("end.zoom",function(){zoomended(dispatch)})}else{this.__chart__=view;zoomstarted(dispatch);zoomed(dispatch);zoomended(dispatch)}})};zoom.translate=function(_){if(!arguments.length)return[view.x,view.y];view={x:+_[0],y:+_[1],k:view.k};rescale();return zoom};zoom.scale=function(_){if(!arguments.length)return view.k;view={x:view.x,y:view.y,k:+_};rescale();return zoom};zoom.scaleExtent=function(_){if(!arguments.length)return scaleExtent;scaleExtent=_==null?d3_behavior_zoomInfinity:[+_[0],+_[1]];return zoom};zoom.center=function(_){if(!arguments.length)return center;center=_&&[+_[0],+_[1]];return zoom};zoom.size=function(_){if(!arguments.length)return size;size=_&&[+_[0],+_[1]];return zoom};zoom.x=function(z){if(!arguments.length)return x1;x1=z;x0=z.copy();view={x:0,y:0,k:1};return zoom};zoom.y=function(z){if(!arguments.length)return y1;y1=z;y0=z.copy();view={x:0,y:0,k:1};return zoom};function location(p){return[(p[0]-view.x)/view.k,(p[1]-view.y)/view.k]}function point(l){return[l[0]*view.k+view.x,l[1]*view.k+view.y]}function scaleTo(s){view.k=Math.max(scaleExtent[0],Math.min(scaleExtent[1],s))}function translateTo(p,l){l=point(l);view.x+=p[0]-l[0];view.y+=p[1]-l[1]}function rescale(){if(x1)x1.domain(x0.range().map(function(x){return(x-view.x)/view.k}).map(x0.invert));if(y1)y1.domain(y0.range().map(function(y){return(y-view.y)/view.k}).map(y0.invert))}function zoomstarted(dispatch){dispatch({type:"zoomstart"})}function zoomed(dispatch){rescale();dispatch({type:"zoom",scale:view.k,translate:[view.x,view.y]})}function zoomended(dispatch){dispatch({type:"zoomend"})}function mousedowned(){var that=this,target=d3.event.target,dispatch=event.of(that,arguments),dragged=0,subject=d3.select(d3_window).on(mousemove,moved).on(mouseup,ended),location0=location(d3.mouse(that)),dragRestore=d3_event_dragSuppress();d3_selection_interrupt.call(that);zoomstarted(dispatch);function moved(){dragged=1;translateTo(d3.mouse(that),location0);zoomed(dispatch)}function ended(){subject.on(mousemove,d3_window===that?mousewheelreset:null).on(mouseup,null);dragRestore(dragged&&d3.event.target===target);zoomended(dispatch)}}function touchstarted(){var that=this,dispatch=event.of(that,arguments),locations0={},distance0=0,scale0,zoomName=".zoom-"+d3.event.changedTouches[0].identifier,touchmove="touchmove"+zoomName,touchend="touchend"+zoomName,targets=[],subject=d3.select(that).on(mousedown,null).on(touchstart,started),dragRestore=d3_event_dragSuppress();d3_selection_interrupt.call(that);started();zoomstarted(dispatch);function relocate(){var touches=d3.touches(that);scale0=view.k;touches.forEach(function(t){if(t.identifier in locations0)locations0[t.identifier]=location(t)});return touches}function started(){var target=d3.event.target;d3.select(target).on(touchmove,moved).on(touchend,ended);targets.push(target);var changed=d3.event.changedTouches;for(var i=0,n=changed.length;i<n;++i){locations0[changed[i].identifier]=null}var touches=relocate(),now=Date.now();if(touches.length===1){if(now-touchtime<500){var p=touches[0],l=locations0[p.identifier];scaleTo(view.k*2);translateTo(p,l);d3_eventPreventDefault();zoomed(dispatch)}touchtime=now}else if(touches.length>1){var p=touches[0],q=touches[1],dx=p[0]-q[0],dy=p[1]-q[1];distance0=dx*dx+dy*dy}}function moved(){var touches=d3.touches(that),p0,l0,p1,l1;for(var i=0,n=touches.length;i<n;++i,l1=null){p1=touches[i];if(l1=locations0[p1.identifier]){if(l0)break;p0=p1,l0=l1}}if(l1){var distance1=(distance1=p1[0]-p0[0])*distance1+(distance1=p1[1]-p0[1])*distance1,scale1=distance0&&Math.sqrt(distance1/distance0);p0=[(p0[0]+p1[0])/2,(p0[1]+p1[1])/2];l0=[(l0[0]+l1[0])/2,(l0[1]+l1[1])/2];scaleTo(scale1*scale0)}touchtime=null;translateTo(p0,l0);zoomed(dispatch)}function ended(){if(d3.event.touches.length){var changed=d3.event.changedTouches;for(var i=0,n=changed.length;i<n;++i){delete locations0[changed[i].identifier]}for(var identifier in locations0){return void relocate()}}d3.selectAll(targets).on(zoomName,null);subject.on(mousedown,mousedowned).on(touchstart,touchstarted);dragRestore();zoomended(dispatch)}}function mousewheeled(){var dispatch=event.of(this,arguments);if(mousewheelTimer)clearTimeout(mousewheelTimer);else d3_selection_interrupt.call(this),zoomstarted(dispatch);mousewheelTimer=setTimeout(function(){mousewheelTimer=null;zoomended(dispatch)},50);d3_eventPreventDefault();var point=center||d3.mouse(this);if(!translate0)translate0=location(point);scaleTo(Math.pow(2,d3_behavior_zoomDelta()*.002)*view.k);translateTo(point,translate0);zoomed(dispatch)}function mousewheelreset(){translate0=null}function dblclicked(){var dispatch=event.of(this,arguments),p=d3.mouse(this),l=location(p),k=Math.log(view.k)/Math.LN2;zoomstarted(dispatch);scaleTo(Math.pow(2,d3.event.shiftKey?Math.ceil(k)-1:Math.floor(k)+1));translateTo(p,l);zoomed(dispatch);zoomended(dispatch)}return d3.rebind(zoom,event,"on")};var d3_behavior_zoomInfinity=[0,Infinity];var d3_behavior_zoomDelta,d3_behavior_zoomWheel="onwheel"in d3_document?(d3_behavior_zoomDelta=function(){return-d3.event.deltaY*(d3.event.deltaMode?120:1)},"wheel"):"onmousewheel"in d3_document?(d3_behavior_zoomDelta=function(){return d3.event.wheelDelta},"mousewheel"):(d3_behavior_zoomDelta=function(){return-d3.event.detail},"MozMousePixelScroll");function d3_Color(){}d3_Color.prototype.toString=function(){return this.rgb()+""};d3.hsl=function(h,s,l){return arguments.length===1?h instanceof d3_Hsl?d3_hsl(h.h,h.s,h.l):d3_rgb_parse(""+h,d3_rgb_hsl,d3_hsl):d3_hsl(+h,+s,+l)};function d3_hsl(h,s,l){return new d3_Hsl(h,s,l)}function d3_Hsl(h,s,l){this.h=h;this.s=s;this.l=l}var d3_hslPrototype=d3_Hsl.prototype=new d3_Color;d3_hslPrototype.brighter=function(k){k=Math.pow(.7,arguments.length?k:1);return d3_hsl(this.h,this.s,this.l/k)};d3_hslPrototype.darker=function(k){k=Math.pow(.7,arguments.length?k:1);return d3_hsl(this.h,this.s,k*this.l)};d3_hslPrototype.rgb=function(){return d3_hsl_rgb(this.h,this.s,this.l)};function d3_hsl_rgb(h,s,l){var m1,m2;h=isNaN(h)?0:(h%=360)<0?h+360:h;s=isNaN(s)?0:s<0?0:s>1?1:s;l=l<0?0:l>1?1:l;m2=l<=.5?l*(1+s):l+s-l*s;m1=2*l-m2;function v(h){if(h>360)h-=360;else if(h<0)h+=360;if(h<60)return m1+(m2-m1)*h/60;if(h<180)return m2;if(h<240)return m1+(m2-m1)*(240-h)/60;return m1}function vv(h){return Math.round(v(h)*255)}return d3_rgb(vv(h+120),vv(h),vv(h-120))}d3.hcl=function(h,c,l){return arguments.length===1?h instanceof d3_Hcl?d3_hcl(h.h,h.c,h.l):h instanceof d3_Lab?d3_lab_hcl(h.l,h.a,h.b):d3_lab_hcl((h=d3_rgb_lab((h=d3.rgb(h)).r,h.g,h.b)).l,h.a,h.b):d3_hcl(+h,+c,+l)};function d3_hcl(h,c,l){return new d3_Hcl(h,c,l)}function d3_Hcl(h,c,l){this.h=h;this.c=c;this.l=l}var d3_hclPrototype=d3_Hcl.prototype=new d3_Color;d3_hclPrototype.brighter=function(k){return d3_hcl(this.h,this.c,Math.min(100,this.l+d3_lab_K*(arguments.length?k:1)))};d3_hclPrototype.darker=function(k){return d3_hcl(this.h,this.c,Math.max(0,this.l-d3_lab_K*(arguments.length?k:1)))};d3_hclPrototype.rgb=function(){return d3_hcl_lab(this.h,this.c,this.l).rgb()};function d3_hcl_lab(h,c,l){if(isNaN(h))h=0;if(isNaN(c))c=0;return d3_lab(l,Math.cos(h*=d3_radians)*c,Math.sin(h)*c)}d3.lab=function(l,a,b){return arguments.length===1?l instanceof d3_Lab?d3_lab(l.l,l.a,l.b):l instanceof d3_Hcl?d3_hcl_lab(l.l,l.c,l.h):d3_rgb_lab((l=d3.rgb(l)).r,l.g,l.b):d3_lab(+l,+a,+b)};function d3_lab(l,a,b){return new d3_Lab(l,a,b)}function d3_Lab(l,a,b){this.l=l;this.a=a;this.b=b}var d3_lab_K=18;var d3_lab_X=.95047,d3_lab_Y=1,d3_lab_Z=1.08883;var d3_labPrototype=d3_Lab.prototype=new d3_Color;d3_labPrototype.brighter=function(k){return d3_lab(Math.min(100,this.l+d3_lab_K*(arguments.length?k:1)),this.a,this.b)};d3_labPrototype.darker=function(k){return d3_lab(Math.max(0,this.l-d3_lab_K*(arguments.length?k:1)),this.a,this.b)};d3_labPrototype.rgb=function(){return d3_lab_rgb(this.l,this.a,this.b)};function d3_lab_rgb(l,a,b){var y=(l+16)/116,x=y+a/500,z=y-b/200;x=d3_lab_xyz(x)*d3_lab_X;y=d3_lab_xyz(y)*d3_lab_Y;z=d3_lab_xyz(z)*d3_lab_Z;return d3_rgb(d3_xyz_rgb(3.2404542*x-1.5371385*y-.4985314*z),d3_xyz_rgb(-.969266*x+1.8760108*y+.041556*z),d3_xyz_rgb(.0556434*x-.2040259*y+1.0572252*z))}function d3_lab_hcl(l,a,b){return l>0?d3_hcl(Math.atan2(b,a)*d3_degrees,Math.sqrt(a*a+b*b),l):d3_hcl(NaN,NaN,l)}function d3_lab_xyz(x){return x>.206893034?x*x*x:(x-4/29)/7.787037}function d3_xyz_lab(x){return x>.008856?Math.pow(x,1/3):7.787037*x+4/29}function d3_xyz_rgb(r){return Math.round(255*(r<=.00304?12.92*r:1.055*Math.pow(r,1/2.4)-.055))}d3.rgb=function(r,g,b){return arguments.length===1?r instanceof d3_Rgb?d3_rgb(r.r,r.g,r.b):d3_rgb_parse(""+r,d3_rgb,d3_hsl_rgb):d3_rgb(~~r,~~g,~~b)};function d3_rgbNumber(value){return d3_rgb(value>>16,value>>8&255,value&255)}function d3_rgbString(value){return d3_rgbNumber(value)+""}function d3_rgb(r,g,b){return new d3_Rgb(r,g,b)}function d3_Rgb(r,g,b){this.r=r;this.g=g;this.b=b}var d3_rgbPrototype=d3_Rgb.prototype=new d3_Color;d3_rgbPrototype.brighter=function(k){k=Math.pow(.7,arguments.length?k:1);var r=this.r,g=this.g,b=this.b,i=30;if(!r&&!g&&!b)return d3_rgb(i,i,i);if(r&&r<i)r=i;if(g&&g<i)g=i;if(b&&b<i)b=i;return d3_rgb(Math.min(255,~~(r/k)),Math.min(255,~~(g/k)),Math.min(255,~~(b/k)))};d3_rgbPrototype.darker=function(k){k=Math.pow(.7,arguments.length?k:1);return d3_rgb(~~(k*this.r),~~(k*this.g),~~(k*this.b))};d3_rgbPrototype.hsl=function(){return d3_rgb_hsl(this.r,this.g,this.b)};d3_rgbPrototype.toString=function(){return"#"+d3_rgb_hex(this.r)+d3_rgb_hex(this.g)+d3_rgb_hex(this.b)};function d3_rgb_hex(v){return v<16?"0"+Math.max(0,v).toString(16):Math.min(255,v).toString(16)}function d3_rgb_parse(format,rgb,hsl){var r=0,g=0,b=0,m1,m2,color;m1=/([a-z]+)\((.*)\)/i.exec(format);if(m1){m2=m1[2].split(",");switch(m1[1]){case"hsl":{return hsl(parseFloat(m2[0]),parseFloat(m2[1])/100,parseFloat(m2[2])/100)}case"rgb":{return rgb(d3_rgb_parseNumber(m2[0]),d3_rgb_parseNumber(m2[1]),d3_rgb_parseNumber(m2[2]))}}}if(color=d3_rgb_names.get(format))return rgb(color.r,color.g,color.b);if(format!=null&&format.charAt(0)==="#"&&!isNaN(color=parseInt(format.substring(1),16))){if(format.length===4){r=(color&3840)>>4;
r=r>>4|r;g=color&240;g=g>>4|g;b=color&15;b=b<<4|b}else if(format.length===7){r=(color&16711680)>>16;g=(color&65280)>>8;b=color&255}}return rgb(r,g,b)}function d3_rgb_hsl(r,g,b){var min=Math.min(r/=255,g/=255,b/=255),max=Math.max(r,g,b),d=max-min,h,s,l=(max+min)/2;if(d){s=l<.5?d/(max+min):d/(2-max-min);if(r==max)h=(g-b)/d+(g<b?6:0);else if(g==max)h=(b-r)/d+2;else h=(r-g)/d+4;h*=60}else{h=NaN;s=l>0&&l<1?0:h}return d3_hsl(h,s,l)}function d3_rgb_lab(r,g,b){r=d3_rgb_xyz(r);g=d3_rgb_xyz(g);b=d3_rgb_xyz(b);var x=d3_xyz_lab((.4124564*r+.3575761*g+.1804375*b)/d3_lab_X),y=d3_xyz_lab((.2126729*r+.7151522*g+.072175*b)/d3_lab_Y),z=d3_xyz_lab((.0193339*r+.119192*g+.9503041*b)/d3_lab_Z);return d3_lab(116*y-16,500*(x-y),200*(y-z))}function d3_rgb_xyz(r){return(r/=255)<=.04045?r/12.92:Math.pow((r+.055)/1.055,2.4)}function d3_rgb_parseNumber(c){var f=parseFloat(c);return c.charAt(c.length-1)==="%"?Math.round(f*2.55):f}var d3_rgb_names=d3.map({aliceblue:15792383,antiquewhite:16444375,aqua:65535,aquamarine:8388564,azure:15794175,beige:16119260,bisque:16770244,black:0,blanchedalmond:16772045,blue:255,blueviolet:9055202,brown:10824234,burlywood:14596231,cadetblue:6266528,chartreuse:8388352,chocolate:13789470,coral:16744272,cornflowerblue:6591981,cornsilk:16775388,crimson:14423100,cyan:65535,darkblue:139,darkcyan:35723,darkgoldenrod:12092939,darkgray:11119017,darkgreen:25600,darkgrey:11119017,darkkhaki:12433259,darkmagenta:9109643,darkolivegreen:5597999,darkorange:16747520,darkorchid:10040012,darkred:9109504,darksalmon:15308410,darkseagreen:9419919,darkslateblue:4734347,darkslategray:3100495,darkslategrey:3100495,darkturquoise:52945,darkviolet:9699539,deeppink:16716947,deepskyblue:49151,dimgray:6908265,dimgrey:6908265,dodgerblue:2003199,firebrick:11674146,floralwhite:16775920,forestgreen:2263842,fuchsia:16711935,gainsboro:14474460,ghostwhite:16316671,gold:16766720,goldenrod:14329120,gray:8421504,green:32768,greenyellow:11403055,grey:8421504,honeydew:15794160,hotpink:16738740,indianred:13458524,indigo:4915330,ivory:16777200,khaki:15787660,lavender:15132410,lavenderblush:16773365,lawngreen:8190976,lemonchiffon:16775885,lightblue:11393254,lightcoral:15761536,lightcyan:14745599,lightgoldenrodyellow:16448210,lightgray:13882323,lightgreen:9498256,lightgrey:13882323,lightpink:16758465,lightsalmon:16752762,lightseagreen:2142890,lightskyblue:8900346,lightslategray:7833753,lightslategrey:7833753,lightsteelblue:11584734,lightyellow:16777184,lime:65280,limegreen:3329330,linen:16445670,magenta:16711935,maroon:8388608,mediumaquamarine:6737322,mediumblue:205,mediumorchid:12211667,mediumpurple:9662683,mediumseagreen:3978097,mediumslateblue:8087790,mediumspringgreen:64154,mediumturquoise:4772300,mediumvioletred:13047173,midnightblue:1644912,mintcream:16121850,mistyrose:16770273,moccasin:16770229,navajowhite:16768685,navy:128,oldlace:16643558,olive:8421376,olivedrab:7048739,orange:16753920,orangered:16729344,orchid:14315734,palegoldenrod:15657130,palegreen:10025880,paleturquoise:11529966,palevioletred:14381203,papayawhip:16773077,peachpuff:16767673,peru:13468991,pink:16761035,plum:14524637,powderblue:11591910,purple:8388736,red:16711680,rosybrown:12357519,royalblue:4286945,saddlebrown:9127187,salmon:16416882,sandybrown:16032864,seagreen:3050327,seashell:16774638,sienna:10506797,silver:12632256,skyblue:8900331,slateblue:6970061,slategray:7372944,slategrey:7372944,snow:16775930,springgreen:65407,steelblue:4620980,tan:13808780,teal:32896,thistle:14204888,tomato:16737095,turquoise:4251856,violet:15631086,wheat:16113331,white:16777215,whitesmoke:16119285,yellow:16776960,yellowgreen:10145074});d3_rgb_names.forEach(function(key,value){d3_rgb_names.set(key,d3_rgbNumber(value))});function d3_functor(v){return typeof v==="function"?v:function(){return v}}d3.functor=d3_functor;function d3_identity(d){return d}d3.xhr=d3_xhrType(d3_identity);function d3_xhrType(response){return function(url,mimeType,callback){if(arguments.length===2&&typeof mimeType==="function")callback=mimeType,mimeType=null;return d3_xhr(url,mimeType,response,callback)}}function d3_xhr(url,mimeType,response,callback){var xhr={},dispatch=d3.dispatch("beforesend","progress","load","error"),headers={},request=new XMLHttpRequest,responseType=null;if(d3_window.XDomainRequest&&!("withCredentials"in request)&&/^(http(s)?:)?\/\//.test(url))request=new XDomainRequest;"onload"in request?request.onload=request.onerror=respond:request.onreadystatechange=function(){request.readyState>3&&respond()};function respond(){var status=request.status,result;if(!status&&request.responseText||status>=200&&status<300||status===304){try{result=response.call(xhr,request)}catch(e){dispatch.error.call(xhr,e);return}dispatch.load.call(xhr,result)}else{dispatch.error.call(xhr,request)}}request.onprogress=function(event){var o=d3.event;d3.event=event;try{dispatch.progress.call(xhr,request)}finally{d3.event=o}};xhr.header=function(name,value){name=(name+"").toLowerCase();if(arguments.length<2)return headers[name];if(value==null)delete headers[name];else headers[name]=value+"";return xhr};xhr.mimeType=function(value){if(!arguments.length)return mimeType;mimeType=value==null?null:value+"";return xhr};xhr.responseType=function(value){if(!arguments.length)return responseType;responseType=value;return xhr};xhr.response=function(value){response=value;return xhr};["get","post"].forEach(function(method){xhr[method]=function(){return xhr.send.apply(xhr,[method].concat(d3_array(arguments)))}});xhr.send=function(method,data,callback){if(arguments.length===2&&typeof data==="function")callback=data,data=null;request.open(method,url,true);if(mimeType!=null&&!("accept"in headers))headers["accept"]=mimeType+",*/*";if(request.setRequestHeader)for(var name in headers)request.setRequestHeader(name,headers[name]);if(mimeType!=null&&request.overrideMimeType)request.overrideMimeType(mimeType);if(responseType!=null)request.responseType=responseType;if(callback!=null)xhr.on("error",callback).on("load",function(request){callback(null,request)});dispatch.beforesend.call(xhr,request);request.send(data==null?null:data);return xhr};xhr.abort=function(){request.abort();return xhr};d3.rebind(xhr,dispatch,"on");return callback==null?xhr:xhr.get(d3_xhr_fixCallback(callback))}function d3_xhr_fixCallback(callback){return callback.length===1?function(error,request){callback(error==null?request:null)}:callback}d3.dsv=function(delimiter,mimeType){var reFormat=new RegExp('["'+delimiter+"\n]"),delimiterCode=delimiter.charCodeAt(0);function dsv(url,row,callback){if(arguments.length<3)callback=row,row=null;var xhr=d3_xhr(url,mimeType,row==null?response:typedResponse(row),callback);xhr.row=function(_){return arguments.length?xhr.response((row=_)==null?response:typedResponse(_)):row};return xhr}function response(request){return dsv.parse(request.responseText)}function typedResponse(f){return function(request){return dsv.parse(request.responseText,f)}}dsv.parse=function(text,f){var o;return dsv.parseRows(text,function(row,i){if(o)return o(row,i-1);var a=new Function("d","return {"+row.map(function(name,i){return JSON.stringify(name)+": d["+i+"]"}).join(",")+"}");o=f?function(row,i){return f(a(row),i)}:a})};dsv.parseRows=function(text,f){var EOL={},EOF={},rows=[],N=text.length,I=0,n=0,t,eol;function token(){if(I>=N)return EOF;if(eol)return eol=false,EOL;var j=I;if(text.charCodeAt(j)===34){var i=j;while(i++<N){if(text.charCodeAt(i)===34){if(text.charCodeAt(i+1)!==34)break;++i}}I=i+2;var c=text.charCodeAt(i+1);if(c===13){eol=true;if(text.charCodeAt(i+2)===10)++I}else if(c===10){eol=true}return text.substring(j+1,i).replace(/""/g,'"')}while(I<N){var c=text.charCodeAt(I++),k=1;if(c===10)eol=true;else if(c===13){eol=true;if(text.charCodeAt(I)===10)++I,++k}else if(c!==delimiterCode)continue;return text.substring(j,I-k)}return text.substring(j)}while((t=token())!==EOF){var a=[];while(t!==EOL&&t!==EOF){a.push(t);t=token()}if(f&&!(a=f(a,n++)))continue;rows.push(a)}return rows};dsv.format=function(rows){if(Array.isArray(rows[0]))return dsv.formatRows(rows);var fieldSet=new d3_Set,fields=[];rows.forEach(function(row){for(var field in row){if(!fieldSet.has(field)){fields.push(fieldSet.add(field))}}});return[fields.map(formatValue).join(delimiter)].concat(rows.map(function(row){return fields.map(function(field){return formatValue(row[field])}).join(delimiter)})).join("\n")};dsv.formatRows=function(rows){return rows.map(formatRow).join("\n")};function formatRow(row){return row.map(formatValue).join(delimiter)}function formatValue(text){return reFormat.test(text)?'"'+text.replace(/\"/g,'""')+'"':text}return dsv};d3.csv=d3.dsv(",","text/csv");d3.tsv=d3.dsv("	","text/tab-separated-values");d3.touch=function(container,touches,identifier){if(arguments.length<3)identifier=touches,touches=d3_eventSource().changedTouches;if(touches)for(var i=0,n=touches.length,touch;i<n;++i){if((touch=touches[i]).identifier===identifier){return d3_mousePoint(container,touch)}}};var d3_timer_queueHead,d3_timer_queueTail,d3_timer_interval,d3_timer_timeout,d3_timer_active,d3_timer_frame=d3_window[d3_vendorSymbol(d3_window,"requestAnimationFrame")]||function(callback){setTimeout(callback,17)};d3.timer=function(callback,delay,then){var n=arguments.length;if(n<2)delay=0;if(n<3)then=Date.now();var time=then+delay,timer={c:callback,t:time,f:false,n:null};if(d3_timer_queueTail)d3_timer_queueTail.n=timer;else d3_timer_queueHead=timer;d3_timer_queueTail=timer;if(!d3_timer_interval){d3_timer_timeout=clearTimeout(d3_timer_timeout);d3_timer_interval=1;d3_timer_frame(d3_timer_step)}};function d3_timer_step(){var now=d3_timer_mark(),delay=d3_timer_sweep()-now;if(delay>24){if(isFinite(delay)){clearTimeout(d3_timer_timeout);d3_timer_timeout=setTimeout(d3_timer_step,delay)}d3_timer_interval=0}else{d3_timer_interval=1;d3_timer_frame(d3_timer_step)}}d3.timer.flush=function(){d3_timer_mark();d3_timer_sweep()};function d3_timer_mark(){var now=Date.now();d3_timer_active=d3_timer_queueHead;while(d3_timer_active){if(now>=d3_timer_active.t)d3_timer_active.f=d3_timer_active.c(now-d3_timer_active.t);d3_timer_active=d3_timer_active.n}return now}function d3_timer_sweep(){var t0,t1=d3_timer_queueHead,time=Infinity;while(t1){if(t1.f){t1=t0?t0.n=t1.n:d3_timer_queueHead=t1.n}else{if(t1.t<time)time=t1.t;t1=(t0=t1).n}}d3_timer_queueTail=t0;return time}function d3_format_precision(x,p){return p-(x?Math.ceil(Math.log(x)/Math.LN10):1)}d3.round=function(x,n){return n?Math.round(x*(n=Math.pow(10,n)))/n:Math.round(x)};var d3_formatPrefixes=["y","z","a","f","p","n","µ","m","","k","M","G","T","P","E","Z","Y"].map(d3_formatPrefix);d3.formatPrefix=function(value,precision){var i=0;if(value){if(value<0)value*=-1;if(precision)value=d3.round(value,d3_format_precision(value,precision));i=1+Math.floor(1e-12+Math.log(value)/Math.LN10);i=Math.max(-24,Math.min(24,Math.floor((i-1)/3)*3))}return d3_formatPrefixes[8+i/3]};function d3_formatPrefix(d,i){var k=Math.pow(10,abs(8-i)*3);return{scale:i>8?function(d){return d/k}:function(d){return d*k},symbol:d}}function d3_locale_numberFormat(locale){var locale_decimal=locale.decimal,locale_thousands=locale.thousands,locale_grouping=locale.grouping,locale_currency=locale.currency,formatGroup=locale_grouping?function(value){var i=value.length,t=[],j=0,g=locale_grouping[0];while(i>0&&g>0){t.push(value.substring(i-=g,i+g));g=locale_grouping[j=(j+1)%locale_grouping.length]}return t.reverse().join(locale_thousands)}:d3_identity;return function(specifier){var match=d3_format_re.exec(specifier),fill=match[1]||" ",align=match[2]||">",sign=match[3]||"",symbol=match[4]||"",zfill=match[5],width=+match[6],comma=match[7],precision=match[8],type=match[9],scale=1,prefix="",suffix="",integer=false;if(precision)precision=+precision.substring(1);if(zfill||fill==="0"&&align==="="){zfill=fill="0";align="=";if(comma)width-=Math.floor((width-1)/4)}switch(type){case"n":comma=true;type="g";break;case"%":scale=100;suffix="%";type="f";break;case"p":scale=100;suffix="%";type="r";break;case"b":case"o":case"x":case"X":if(symbol==="#")prefix="0"+type.toLowerCase();case"c":case"d":integer=true;precision=0;break;case"s":scale=-1;type="r";break}if(symbol==="$")prefix=locale_currency[0],suffix=locale_currency[1];if(type=="r"&&!precision)type="g";if(precision!=null){if(type=="g")precision=Math.max(1,Math.min(21,precision));else if(type=="e"||type=="f")precision=Math.max(0,Math.min(20,precision))}type=d3_format_types.get(type)||d3_format_typeDefault;var zcomma=zfill&&comma;return function(value){var fullSuffix=suffix;if(integer&&value%1)return"";var negative=value<0||value===0&&1/value<0?(value=-value,"-"):sign;if(scale<0){var unit=d3.formatPrefix(value,precision);value=unit.scale(value);fullSuffix=unit.symbol+suffix}else{value*=scale}value=type(value,precision);var i=value.lastIndexOf("."),before=i<0?value:value.substring(0,i),after=i<0?"":locale_decimal+value.substring(i+1);if(!zfill&&comma)before=formatGroup(before);var length=prefix.length+before.length+after.length+(zcomma?0:negative.length),padding=length<width?new Array(length=width-length+1).join(fill):"";if(zcomma)before=formatGroup(padding+before);negative+=prefix;value=before+after;return(align==="<"?negative+value+padding:align===">"?padding+negative+value:align==="^"?padding.substring(0,length>>=1)+negative+value+padding.substring(length):negative+(zcomma?value:padding+value))+fullSuffix}}}var d3_format_re=/(?:([^{])?([<>=^]))?([+\- ])?([$#])?(0)?(\d+)?(,)?(\.-?\d+)?([a-z%])?/i;var d3_format_types=d3.map({b:function(x){return x.toString(2)},c:function(x){return String.fromCharCode(x)},o:function(x){return x.toString(8)},x:function(x){return x.toString(16)},X:function(x){return x.toString(16).toUpperCase()},g:function(x,p){return x.toPrecision(p)},e:function(x,p){return x.toExponential(p)},f:function(x,p){return x.toFixed(p)},r:function(x,p){return(x=d3.round(x,d3_format_precision(x,p))).toFixed(Math.max(0,Math.min(20,d3_format_precision(x*(1+1e-15),p))))}});function d3_format_typeDefault(x){return x+""}var d3_time=d3.time={},d3_date=Date;function d3_date_utc(){this._=new Date(arguments.length>1?Date.UTC.apply(this,arguments):arguments[0])}d3_date_utc.prototype={getDate:function(){return this._.getUTCDate()},getDay:function(){return this._.getUTCDay()},getFullYear:function(){return this._.getUTCFullYear()},getHours:function(){return this._.getUTCHours()},getMilliseconds:function(){return this._.getUTCMilliseconds()},getMinutes:function(){return this._.getUTCMinutes()},getMonth:function(){return this._.getUTCMonth()},getSeconds:function(){return this._.getUTCSeconds()},getTime:function(){return this._.getTime()},getTimezoneOffset:function(){return 0},valueOf:function(){return this._.valueOf()},setDate:function(){d3_time_prototype.setUTCDate.apply(this._,arguments)},setDay:function(){d3_time_prototype.setUTCDay.apply(this._,arguments)},setFullYear:function(){d3_time_prototype.setUTCFullYear.apply(this._,arguments)},setHours:function(){d3_time_prototype.setUTCHours.apply(this._,arguments)},setMilliseconds:function(){d3_time_prototype.setUTCMilliseconds.apply(this._,arguments)},setMinutes:function(){d3_time_prototype.setUTCMinutes.apply(this._,arguments)},setMonth:function(){d3_time_prototype.setUTCMonth.apply(this._,arguments)},setSeconds:function(){d3_time_prototype.setUTCSeconds.apply(this._,arguments)},setTime:function(){d3_time_prototype.setTime.apply(this._,arguments)}};var d3_time_prototype=Date.prototype;function d3_time_interval(local,step,number){function round(date){var d0=local(date),d1=offset(d0,1);return date-d0<d1-date?d0:d1}function ceil(date){step(date=local(new d3_date(date-1)),1);return date}function offset(date,k){step(date=new d3_date(+date),k);return date}function range(t0,t1,dt){var time=ceil(t0),times=[];if(dt>1){while(time<t1){if(!(number(time)%dt))times.push(new Date(+time));step(time,1)}}else{while(time<t1)times.push(new Date(+time)),step(time,1)}return times}function range_utc(t0,t1,dt){try{d3_date=d3_date_utc;var utc=new d3_date_utc;utc._=t0;return range(utc,t1,dt)}finally{d3_date=Date}}local.floor=local;local.round=round;local.ceil=ceil;local.offset=offset;local.range=range;var utc=local.utc=d3_time_interval_utc(local);utc.floor=utc;utc.round=d3_time_interval_utc(round);utc.ceil=d3_time_interval_utc(ceil);utc.offset=d3_time_interval_utc(offset);utc.range=range_utc;return local}function d3_time_interval_utc(method){return function(date,k){try{d3_date=d3_date_utc;var utc=new d3_date_utc;utc._=date;return method(utc,k)._}finally{d3_date=Date}}}d3_time.year=d3_time_interval(function(date){date=d3_time.day(date);date.setMonth(0,1);return date},function(date,offset){date.setFullYear(date.getFullYear()+offset)},function(date){return date.getFullYear()});d3_time.years=d3_time.year.range;d3_time.years.utc=d3_time.year.utc.range;d3_time.day=d3_time_interval(function(date){var day=new d3_date(2e3,0);day.setFullYear(date.getFullYear(),date.getMonth(),date.getDate());return day},function(date,offset){date.setDate(date.getDate()+offset)},function(date){return date.getDate()-1});d3_time.days=d3_time.day.range;d3_time.days.utc=d3_time.day.utc.range;d3_time.dayOfYear=function(date){var year=d3_time.year(date);return Math.floor((date-year-(date.getTimezoneOffset()-year.getTimezoneOffset())*6e4)/864e5)};["sunday","monday","tuesday","wednesday","thursday","friday","saturday"].forEach(function(day,i){i=7-i;var interval=d3_time[day]=d3_time_interval(function(date){(date=d3_time.day(date)).setDate(date.getDate()-(date.getDay()+i)%7);return date},function(date,offset){date.setDate(date.getDate()+Math.floor(offset)*7)},function(date){var day=d3_time.year(date).getDay();return Math.floor((d3_time.dayOfYear(date)+(day+i)%7)/7)-(day!==i)});d3_time[day+"s"]=interval.range;d3_time[day+"s"].utc=interval.utc.range;d3_time[day+"OfYear"]=function(date){var day=d3_time.year(date).getDay();return Math.floor((d3_time.dayOfYear(date)+(day+i)%7)/7)}});d3_time.week=d3_time.sunday;d3_time.weeks=d3_time.sunday.range;d3_time.weeks.utc=d3_time.sunday.utc.range;d3_time.weekOfYear=d3_time.sundayOfYear;function d3_locale_timeFormat(locale){var locale_dateTime=locale.dateTime,locale_date=locale.date,locale_time=locale.time,locale_periods=locale.periods,locale_days=locale.days,locale_shortDays=locale.shortDays,locale_months=locale.months,locale_shortMonths=locale.shortMonths;function d3_time_format(template){var n=template.length;function format(date){var string=[],i=-1,j=0,c,p,f;while(++i<n){if(template.charCodeAt(i)===37){string.push(template.substring(j,i));if((p=d3_time_formatPads[c=template.charAt(++i)])!=null)c=template.charAt(++i);if(f=d3_time_formats[c])c=f(date,p==null?c==="e"?" ":"0":p);string.push(c);j=i+1}}string.push(template.substring(j,i));return string.join("")}format.parse=function(string){var d={y:1900,m:0,d:1,H:0,M:0,S:0,L:0,Z:null},i=d3_time_parse(d,template,string,0);if(i!=string.length)return null;if("p"in d)d.H=d.H%12+d.p*12;var localZ=d.Z!=null&&d3_date!==d3_date_utc,date=new(localZ?d3_date_utc:d3_date);if("j"in d)date.setFullYear(d.y,0,d.j);else if("w"in d&&("W"in d||"U"in d)){date.setFullYear(d.y,0,1);date.setFullYear(d.y,0,"W"in d?(d.w+6)%7+d.W*7-(date.getDay()+5)%7:d.w+d.U*7-(date.getDay()+6)%7)}else date.setFullYear(d.y,d.m,d.d);date.setHours(d.H+Math.floor(d.Z/100),d.M+d.Z%100,d.S,d.L);return localZ?date._:date};format.toString=function(){return template};return format}function d3_time_parse(date,template,string,j){var c,p,t,i=0,n=template.length,m=string.length;while(i<n){if(j>=m)return-1;c=template.charCodeAt(i++);if(c===37){t=template.charAt(i++);p=d3_time_parsers[t in d3_time_formatPads?template.charAt(i++):t];if(!p||(j=p(date,string,j))<0)return-1}else if(c!=string.charCodeAt(j++)){return-1}}return j}d3_time_format.utc=function(template){var local=d3_time_format(template);function format(date){try{d3_date=d3_date_utc;var utc=new d3_date;utc._=date;return local(utc)}finally{d3_date=Date}}format.parse=function(string){try{d3_date=d3_date_utc;var date=local.parse(string);return date&&date._}finally{d3_date=Date}};format.toString=local.toString;return format};d3_time_format.multi=d3_time_format.utc.multi=d3_time_formatMulti;var d3_time_periodLookup=d3.map(),d3_time_dayRe=d3_time_formatRe(locale_days),d3_time_dayLookup=d3_time_formatLookup(locale_days),d3_time_dayAbbrevRe=d3_time_formatRe(locale_shortDays),d3_time_dayAbbrevLookup=d3_time_formatLookup(locale_shortDays),d3_time_monthRe=d3_time_formatRe(locale_months),d3_time_monthLookup=d3_time_formatLookup(locale_months),d3_time_monthAbbrevRe=d3_time_formatRe(locale_shortMonths),d3_time_monthAbbrevLookup=d3_time_formatLookup(locale_shortMonths);locale_periods.forEach(function(p,i){d3_time_periodLookup.set(p.toLowerCase(),i)});var d3_time_formats={a:function(d){return locale_shortDays[d.getDay()]},A:function(d){return locale_days[d.getDay()]},b:function(d){return locale_shortMonths[d.getMonth()]},B:function(d){return locale_months[d.getMonth()]},c:d3_time_format(locale_dateTime),d:function(d,p){return d3_time_formatPad(d.getDate(),p,2)},e:function(d,p){return d3_time_formatPad(d.getDate(),p,2)},H:function(d,p){return d3_time_formatPad(d.getHours(),p,2)},I:function(d,p){return d3_time_formatPad(d.getHours()%12||12,p,2)},j:function(d,p){return d3_time_formatPad(1+d3_time.dayOfYear(d),p,3)},L:function(d,p){return d3_time_formatPad(d.getMilliseconds(),p,3)},m:function(d,p){return d3_time_formatPad(d.getMonth()+1,p,2)},M:function(d,p){return d3_time_formatPad(d.getMinutes(),p,2)},p:function(d){return locale_periods[+(d.getHours()>=12)]},S:function(d,p){return d3_time_formatPad(d.getSeconds(),p,2)},U:function(d,p){return d3_time_formatPad(d3_time.sundayOfYear(d),p,2)},w:function(d){return d.getDay()},W:function(d,p){return d3_time_formatPad(d3_time.mondayOfYear(d),p,2)},x:d3_time_format(locale_date),X:d3_time_format(locale_time),y:function(d,p){return d3_time_formatPad(d.getFullYear()%100,p,2)},Y:function(d,p){return d3_time_formatPad(d.getFullYear()%1e4,p,4)},Z:d3_time_zone,"%":function(){return"%"}};var d3_time_parsers={a:d3_time_parseWeekdayAbbrev,A:d3_time_parseWeekday,b:d3_time_parseMonthAbbrev,B:d3_time_parseMonth,c:d3_time_parseLocaleFull,d:d3_time_parseDay,e:d3_time_parseDay,H:d3_time_parseHour24,I:d3_time_parseHour24,j:d3_time_parseDayOfYear,L:d3_time_parseMilliseconds,m:d3_time_parseMonthNumber,M:d3_time_parseMinutes,p:d3_time_parseAmPm,S:d3_time_parseSeconds,U:d3_time_parseWeekNumberSunday,w:d3_time_parseWeekdayNumber,W:d3_time_parseWeekNumberMonday,x:d3_time_parseLocaleDate,X:d3_time_parseLocaleTime,y:d3_time_parseYear,Y:d3_time_parseFullYear,Z:d3_time_parseZone,"%":d3_time_parseLiteralPercent};function d3_time_parseWeekdayAbbrev(date,string,i){d3_time_dayAbbrevRe.lastIndex=0;var n=d3_time_dayAbbrevRe.exec(string.substring(i));return n?(date.w=d3_time_dayAbbrevLookup.get(n[0].toLowerCase()),i+n[0].length):-1}function d3_time_parseWeekday(date,string,i){d3_time_dayRe.lastIndex=0;var n=d3_time_dayRe.exec(string.substring(i));return n?(date.w=d3_time_dayLookup.get(n[0].toLowerCase()),i+n[0].length):-1}function d3_time_parseMonthAbbrev(date,string,i){d3_time_monthAbbrevRe.lastIndex=0;var n=d3_time_monthAbbrevRe.exec(string.substring(i));return n?(date.m=d3_time_monthAbbrevLookup.get(n[0].toLowerCase()),i+n[0].length):-1}function d3_time_parseMonth(date,string,i){d3_time_monthRe.lastIndex=0;var n=d3_time_monthRe.exec(string.substring(i));return n?(date.m=d3_time_monthLookup.get(n[0].toLowerCase()),i+n[0].length):-1}function d3_time_parseLocaleFull(date,string,i){return d3_time_parse(date,d3_time_formats.c.toString(),string,i)}function d3_time_parseLocaleDate(date,string,i){return d3_time_parse(date,d3_time_formats.x.toString(),string,i)}function d3_time_parseLocaleTime(date,string,i){return d3_time_parse(date,d3_time_formats.X.toString(),string,i)}function d3_time_parseAmPm(date,string,i){var n=d3_time_periodLookup.get(string.substring(i,i+=2).toLowerCase());return n==null?-1:(date.p=n,i)}return d3_time_format}var d3_time_formatPads={"-":"",_:" ",0:"0"},d3_time_numberRe=/^\s*\d+/,d3_time_percentRe=/^%/;function d3_time_formatPad(value,fill,width){var sign=value<0?"-":"",string=(sign?-value:value)+"",length=string.length;return sign+(length<width?new Array(width-length+1).join(fill)+string:string)}function d3_time_formatRe(names){return new RegExp("^(?:"+names.map(d3.requote).join("|")+")","i")}function d3_time_formatLookup(names){var map=new d3_Map,i=-1,n=names.length;while(++i<n)map.set(names[i].toLowerCase(),i);return map}function d3_time_parseWeekdayNumber(date,string,i){d3_time_numberRe.lastIndex=0;var n=d3_time_numberRe.exec(string.substring(i,i+1));return n?(date.w=+n[0],i+n[0].length):-1}function d3_time_parseWeekNumberSunday(date,string,i){d3_time_numberRe.lastIndex=0;var n=d3_time_numberRe.exec(string.substring(i));return n?(date.U=+n[0],i+n[0].length):-1}function d3_time_parseWeekNumberMonday(date,string,i){d3_time_numberRe.lastIndex=0;var n=d3_time_numberRe.exec(string.substring(i));return n?(date.W=+n[0],i+n[0].length):-1}function d3_time_parseFullYear(date,string,i){d3_time_numberRe.lastIndex=0;var n=d3_time_numberRe.exec(string.substring(i,i+4));return n?(date.y=+n[0],i+n[0].length):-1}function d3_time_parseYear(date,string,i){d3_time_numberRe.lastIndex=0;var n=d3_time_numberRe.exec(string.substring(i,i+2));return n?(date.y=d3_time_expandYear(+n[0]),i+n[0].length):-1}function d3_time_parseZone(date,string,i){return/^[+-]\d{4}$/.test(string=string.substring(i,i+5))?(date.Z=-string,i+5):-1}function d3_time_expandYear(d){return d+(d>68?1900:2e3)}function d3_time_parseMonthNumber(date,string,i){d3_time_numberRe.lastIndex=0;var n=d3_time_numberRe.exec(string.substring(i,i+2));return n?(date.m=n[0]-1,i+n[0].length):-1}function d3_time_parseDay(date,string,i){d3_time_numberRe.lastIndex=0;var n=d3_time_numberRe.exec(string.substring(i,i+2));return n?(date.d=+n[0],i+n[0].length):-1}function d3_time_parseDayOfYear(date,string,i){d3_time_numberRe.lastIndex=0;var n=d3_time_numberRe.exec(string.substring(i,i+3));return n?(date.j=+n[0],i+n[0].length):-1}function d3_time_parseHour24(date,string,i){d3_time_numberRe.lastIndex=0;var n=d3_time_numberRe.exec(string.substring(i,i+2));return n?(date.H=+n[0],i+n[0].length):-1}function d3_time_parseMinutes(date,string,i){d3_time_numberRe.lastIndex=0;var n=d3_time_numberRe.exec(string.substring(i,i+2));return n?(date.M=+n[0],i+n[0].length):-1}function d3_time_parseSeconds(date,string,i){d3_time_numberRe.lastIndex=0;var n=d3_time_numberRe.exec(string.substring(i,i+2));return n?(date.S=+n[0],i+n[0].length):-1}function d3_time_parseMilliseconds(date,string,i){d3_time_numberRe.lastIndex=0;var n=d3_time_numberRe.exec(string.substring(i,i+3));return n?(date.L=+n[0],i+n[0].length):-1}function d3_time_zone(d){var z=d.getTimezoneOffset(),zs=z>0?"-":"+",zh=~~(abs(z)/60),zm=abs(z)%60;return zs+d3_time_formatPad(zh,"0",2)+d3_time_formatPad(zm,"0",2)}function d3_time_parseLiteralPercent(date,string,i){d3_time_percentRe.lastIndex=0;var n=d3_time_percentRe.exec(string.substring(i,i+1));return n?i+n[0].length:-1}function d3_time_formatMulti(formats){var n=formats.length,i=-1;while(++i<n)formats[i][0]=this(formats[i][0]);return function(date){var i=0,f=formats[i];while(!f[1](date))f=formats[++i];return f[0](date)}}d3.locale=function(locale){return{numberFormat:d3_locale_numberFormat(locale),timeFormat:d3_locale_timeFormat(locale)}};var d3_locale_enUS=d3.locale({decimal:".",thousands:",",grouping:[3],currency:["$",""],dateTime:"%a %b %e %X %Y",date:"%m/%d/%Y",time:"%H:%M:%S",periods:["AM","PM"],days:["Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"],shortDays:["Sun","Mon","Tue","Wed","Thu","Fri","Sat"],months:["January","February","March","April","May","June","July","August","September","October","November","December"],shortMonths:["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"]});d3.format=d3_locale_enUS.numberFormat;d3.geo={};function d3_adder(){}d3_adder.prototype={s:0,t:0,add:function(y){d3_adderSum(y,this.t,d3_adderTemp);d3_adderSum(d3_adderTemp.s,this.s,this);if(this.s)this.t+=d3_adderTemp.t;else this.s=d3_adderTemp.t},reset:function(){this.s=this.t=0},valueOf:function(){return this.s}};var d3_adderTemp=new d3_adder;function d3_adderSum(a,b,o){var x=o.s=a+b,bv=x-a,av=x-bv;o.t=a-av+(b-bv)}d3.geo.stream=function(object,listener){if(object&&d3_geo_streamObjectType.hasOwnProperty(object.type)){d3_geo_streamObjectType[object.type](object,listener)}else{d3_geo_streamGeometry(object,listener)}};function d3_geo_streamGeometry(geometry,listener){if(geometry&&d3_geo_streamGeometryType.hasOwnProperty(geometry.type)){d3_geo_streamGeometryType[geometry.type](geometry,listener)}}var d3_geo_streamObjectType={Feature:function(feature,listener){d3_geo_streamGeometry(feature.geometry,listener)},FeatureCollection:function(object,listener){var features=object.features,i=-1,n=features.length;while(++i<n)d3_geo_streamGeometry(features[i].geometry,listener)}};var d3_geo_streamGeometryType={Sphere:function(object,listener){listener.sphere()},Point:function(object,listener){object=object.coordinates;listener.point(object[0],object[1],object[2])},MultiPoint:function(object,listener){var coordinates=object.coordinates,i=-1,n=coordinates.length;while(++i<n)object=coordinates[i],listener.point(object[0],object[1],object[2])},LineString:function(object,listener){d3_geo_streamLine(object.coordinates,listener,0)},MultiLineString:function(object,listener){var coordinates=object.coordinates,i=-1,n=coordinates.length;while(++i<n)d3_geo_streamLine(coordinates[i],listener,0)},Polygon:function(object,listener){d3_geo_streamPolygon(object.coordinates,listener)},MultiPolygon:function(object,listener){var coordinates=object.coordinates,i=-1,n=coordinates.length;while(++i<n)d3_geo_streamPolygon(coordinates[i],listener)},GeometryCollection:function(object,listener){var geometries=object.geometries,i=-1,n=geometries.length;while(++i<n)d3_geo_streamGeometry(geometries[i],listener)}};function d3_geo_streamLine(coordinates,listener,closed){var i=-1,n=coordinates.length-closed,coordinate;listener.lineStart();while(++i<n)coordinate=coordinates[i],listener.point(coordinate[0],coordinate[1],coordinate[2]);listener.lineEnd()}function d3_geo_streamPolygon(coordinates,listener){var i=-1,n=coordinates.length;listener.polygonStart();while(++i<n)d3_geo_streamLine(coordinates[i],listener,1);listener.polygonEnd()}d3.geo.area=function(object){d3_geo_areaSum=0;d3.geo.stream(object,d3_geo_area);return d3_geo_areaSum};var d3_geo_areaSum,d3_geo_areaRingSum=new d3_adder;var d3_geo_area={sphere:function(){d3_geo_areaSum+=4*π},point:d3_noop,lineStart:d3_noop,lineEnd:d3_noop,polygonStart:function(){d3_geo_areaRingSum.reset();d3_geo_area.lineStart=d3_geo_areaRingStart},polygonEnd:function(){var area=2*d3_geo_areaRingSum;d3_geo_areaSum+=area<0?4*π+area:area;d3_geo_area.lineStart=d3_geo_area.lineEnd=d3_geo_area.point=d3_noop}};function d3_geo_areaRingStart(){var λ00,φ00,λ0,cosφ0,sinφ0;d3_geo_area.point=function(λ,φ){d3_geo_area.point=nextPoint;λ0=(λ00=λ)*d3_radians,cosφ0=Math.cos(φ=(φ00=φ)*d3_radians/2+π/4),sinφ0=Math.sin(φ)};function nextPoint(λ,φ){λ*=d3_radians;φ=φ*d3_radians/2+π/4;var dλ=λ-λ0,sdλ=dλ>=0?1:-1,adλ=sdλ*dλ,cosφ=Math.cos(φ),sinφ=Math.sin(φ),k=sinφ0*sinφ,u=cosφ0*cosφ+k*Math.cos(adλ),v=k*sdλ*Math.sin(adλ);d3_geo_areaRingSum.add(Math.atan2(v,u));λ0=λ,cosφ0=cosφ,sinφ0=sinφ}d3_geo_area.lineEnd=function(){nextPoint(λ00,φ00)}}function d3_geo_cartesian(spherical){var λ=spherical[0],φ=spherical[1],cosφ=Math.cos(φ);return[cosφ*Math.cos(λ),cosφ*Math.sin(λ),Math.sin(φ)]}function d3_geo_cartesianDot(a,b){return a[0]*b[0]+a[1]*b[1]+a[2]*b[2]}function d3_geo_cartesianCross(a,b){return[a[1]*b[2]-a[2]*b[1],a[2]*b[0]-a[0]*b[2],a[0]*b[1]-a[1]*b[0]]}function d3_geo_cartesianAdd(a,b){a[0]+=b[0];a[1]+=b[1];a[2]+=b[2]}function d3_geo_cartesianScale(vector,k){return[vector[0]*k,vector[1]*k,vector[2]*k]}function d3_geo_cartesianNormalize(d){var l=Math.sqrt(d[0]*d[0]+d[1]*d[1]+d[2]*d[2]);d[0]/=l;d[1]/=l;d[2]/=l}function d3_geo_spherical(cartesian){return[Math.atan2(cartesian[1],cartesian[0]),d3_asin(cartesian[2])]
}function d3_geo_sphericalEqual(a,b){return abs(a[0]-b[0])<ε&&abs(a[1]-b[1])<ε}d3.geo.bounds=function(){var λ0,φ0,λ1,φ1,λ_,λ__,φ__,p0,dλSum,ranges,range;var bound={point:point,lineStart:lineStart,lineEnd:lineEnd,polygonStart:function(){bound.point=ringPoint;bound.lineStart=ringStart;bound.lineEnd=ringEnd;dλSum=0;d3_geo_area.polygonStart()},polygonEnd:function(){d3_geo_area.polygonEnd();bound.point=point;bound.lineStart=lineStart;bound.lineEnd=lineEnd;if(d3_geo_areaRingSum<0)λ0=-(λ1=180),φ0=-(φ1=90);else if(dλSum>ε)φ1=90;else if(dλSum<-ε)φ0=-90;range[0]=λ0,range[1]=λ1}};function point(λ,φ){ranges.push(range=[λ0=λ,λ1=λ]);if(φ<φ0)φ0=φ;if(φ>φ1)φ1=φ}function linePoint(λ,φ){var p=d3_geo_cartesian([λ*d3_radians,φ*d3_radians]);if(p0){var normal=d3_geo_cartesianCross(p0,p),equatorial=[normal[1],-normal[0],0],inflection=d3_geo_cartesianCross(equatorial,normal);d3_geo_cartesianNormalize(inflection);inflection=d3_geo_spherical(inflection);var dλ=λ-λ_,s=dλ>0?1:-1,λi=inflection[0]*d3_degrees*s,antimeridian=abs(dλ)>180;if(antimeridian^(s*λ_<λi&&λi<s*λ)){var φi=inflection[1]*d3_degrees;if(φi>φ1)φ1=φi}else if(λi=(λi+360)%360-180,antimeridian^(s*λ_<λi&&λi<s*λ)){var φi=-inflection[1]*d3_degrees;if(φi<φ0)φ0=φi}else{if(φ<φ0)φ0=φ;if(φ>φ1)φ1=φ}if(antimeridian){if(λ<λ_){if(angle(λ0,λ)>angle(λ0,λ1))λ1=λ}else{if(angle(λ,λ1)>angle(λ0,λ1))λ0=λ}}else{if(λ1>=λ0){if(λ<λ0)λ0=λ;if(λ>λ1)λ1=λ}else{if(λ>λ_){if(angle(λ0,λ)>angle(λ0,λ1))λ1=λ}else{if(angle(λ,λ1)>angle(λ0,λ1))λ0=λ}}}}else{point(λ,φ)}p0=p,λ_=λ}function lineStart(){bound.point=linePoint}function lineEnd(){range[0]=λ0,range[1]=λ1;bound.point=point;p0=null}function ringPoint(λ,φ){if(p0){var dλ=λ-λ_;dλSum+=abs(dλ)>180?dλ+(dλ>0?360:-360):dλ}else λ__=λ,φ__=φ;d3_geo_area.point(λ,φ);linePoint(λ,φ)}function ringStart(){d3_geo_area.lineStart()}function ringEnd(){ringPoint(λ__,φ__);d3_geo_area.lineEnd();if(abs(dλSum)>ε)λ0=-(λ1=180);range[0]=λ0,range[1]=λ1;p0=null}function angle(λ0,λ1){return(λ1-=λ0)<0?λ1+360:λ1}function compareRanges(a,b){return a[0]-b[0]}function withinRange(x,range){return range[0]<=range[1]?range[0]<=x&&x<=range[1]:x<range[0]||range[1]<x}return function(feature){φ1=λ1=-(λ0=φ0=Infinity);ranges=[];d3.geo.stream(feature,bound);var n=ranges.length;if(n){ranges.sort(compareRanges);for(var i=1,a=ranges[0],b,merged=[a];i<n;++i){b=ranges[i];if(withinRange(b[0],a)||withinRange(b[1],a)){if(angle(a[0],b[1])>angle(a[0],a[1]))a[1]=b[1];if(angle(b[0],a[1])>angle(a[0],a[1]))a[0]=b[0]}else{merged.push(a=b)}}var best=-Infinity,dλ;for(var n=merged.length-1,i=0,a=merged[n],b;i<=n;a=b,++i){b=merged[i];if((dλ=angle(a[1],b[0]))>best)best=dλ,λ0=b[0],λ1=a[1]}}ranges=range=null;return λ0===Infinity||φ0===Infinity?[[NaN,NaN],[NaN,NaN]]:[[λ0,φ0],[λ1,φ1]]}}();d3.geo.centroid=function(object){d3_geo_centroidW0=d3_geo_centroidW1=d3_geo_centroidX0=d3_geo_centroidY0=d3_geo_centroidZ0=d3_geo_centroidX1=d3_geo_centroidY1=d3_geo_centroidZ1=d3_geo_centroidX2=d3_geo_centroidY2=d3_geo_centroidZ2=0;d3.geo.stream(object,d3_geo_centroid);var x=d3_geo_centroidX2,y=d3_geo_centroidY2,z=d3_geo_centroidZ2,m=x*x+y*y+z*z;if(m<ε2){x=d3_geo_centroidX1,y=d3_geo_centroidY1,z=d3_geo_centroidZ1;if(d3_geo_centroidW1<ε)x=d3_geo_centroidX0,y=d3_geo_centroidY0,z=d3_geo_centroidZ0;m=x*x+y*y+z*z;if(m<ε2)return[NaN,NaN]}return[Math.atan2(y,x)*d3_degrees,d3_asin(z/Math.sqrt(m))*d3_degrees]};var d3_geo_centroidW0,d3_geo_centroidW1,d3_geo_centroidX0,d3_geo_centroidY0,d3_geo_centroidZ0,d3_geo_centroidX1,d3_geo_centroidY1,d3_geo_centroidZ1,d3_geo_centroidX2,d3_geo_centroidY2,d3_geo_centroidZ2;var d3_geo_centroid={sphere:d3_noop,point:d3_geo_centroidPoint,lineStart:d3_geo_centroidLineStart,lineEnd:d3_geo_centroidLineEnd,polygonStart:function(){d3_geo_centroid.lineStart=d3_geo_centroidRingStart},polygonEnd:function(){d3_geo_centroid.lineStart=d3_geo_centroidLineStart}};function d3_geo_centroidPoint(λ,φ){λ*=d3_radians;var cosφ=Math.cos(φ*=d3_radians);d3_geo_centroidPointXYZ(cosφ*Math.cos(λ),cosφ*Math.sin(λ),Math.sin(φ))}function d3_geo_centroidPointXYZ(x,y,z){++d3_geo_centroidW0;d3_geo_centroidX0+=(x-d3_geo_centroidX0)/d3_geo_centroidW0;d3_geo_centroidY0+=(y-d3_geo_centroidY0)/d3_geo_centroidW0;d3_geo_centroidZ0+=(z-d3_geo_centroidZ0)/d3_geo_centroidW0}function d3_geo_centroidLineStart(){var x0,y0,z0;d3_geo_centroid.point=function(λ,φ){λ*=d3_radians;var cosφ=Math.cos(φ*=d3_radians);x0=cosφ*Math.cos(λ);y0=cosφ*Math.sin(λ);z0=Math.sin(φ);d3_geo_centroid.point=nextPoint;d3_geo_centroidPointXYZ(x0,y0,z0)};function nextPoint(λ,φ){λ*=d3_radians;var cosφ=Math.cos(φ*=d3_radians),x=cosφ*Math.cos(λ),y=cosφ*Math.sin(λ),z=Math.sin(φ),w=Math.atan2(Math.sqrt((w=y0*z-z0*y)*w+(w=z0*x-x0*z)*w+(w=x0*y-y0*x)*w),x0*x+y0*y+z0*z);d3_geo_centroidW1+=w;d3_geo_centroidX1+=w*(x0+(x0=x));d3_geo_centroidY1+=w*(y0+(y0=y));d3_geo_centroidZ1+=w*(z0+(z0=z));d3_geo_centroidPointXYZ(x0,y0,z0)}}function d3_geo_centroidLineEnd(){d3_geo_centroid.point=d3_geo_centroidPoint}function d3_geo_centroidRingStart(){var λ00,φ00,x0,y0,z0;d3_geo_centroid.point=function(λ,φ){λ00=λ,φ00=φ;d3_geo_centroid.point=nextPoint;λ*=d3_radians;var cosφ=Math.cos(φ*=d3_radians);x0=cosφ*Math.cos(λ);y0=cosφ*Math.sin(λ);z0=Math.sin(φ);d3_geo_centroidPointXYZ(x0,y0,z0)};d3_geo_centroid.lineEnd=function(){nextPoint(λ00,φ00);d3_geo_centroid.lineEnd=d3_geo_centroidLineEnd;d3_geo_centroid.point=d3_geo_centroidPoint};function nextPoint(λ,φ){λ*=d3_radians;var cosφ=Math.cos(φ*=d3_radians),x=cosφ*Math.cos(λ),y=cosφ*Math.sin(λ),z=Math.sin(φ),cx=y0*z-z0*y,cy=z0*x-x0*z,cz=x0*y-y0*x,m=Math.sqrt(cx*cx+cy*cy+cz*cz),u=x0*x+y0*y+z0*z,v=m&&-d3_acos(u)/m,w=Math.atan2(m,u);d3_geo_centroidX2+=v*cx;d3_geo_centroidY2+=v*cy;d3_geo_centroidZ2+=v*cz;d3_geo_centroidW1+=w;d3_geo_centroidX1+=w*(x0+(x0=x));d3_geo_centroidY1+=w*(y0+(y0=y));d3_geo_centroidZ1+=w*(z0+(z0=z));d3_geo_centroidPointXYZ(x0,y0,z0)}}function d3_true(){return true}function d3_geo_clipPolygon(segments,compare,clipStartInside,interpolate,listener){var subject=[],clip=[];segments.forEach(function(segment){if((n=segment.length-1)<=0)return;var n,p0=segment[0],p1=segment[n];if(d3_geo_sphericalEqual(p0,p1)){listener.lineStart();for(var i=0;i<n;++i)listener.point((p0=segment[i])[0],p0[1]);listener.lineEnd();return}var a=new d3_geo_clipPolygonIntersection(p0,segment,null,true),b=new d3_geo_clipPolygonIntersection(p0,null,a,false);a.o=b;subject.push(a);clip.push(b);a=new d3_geo_clipPolygonIntersection(p1,segment,null,false);b=new d3_geo_clipPolygonIntersection(p1,null,a,true);a.o=b;subject.push(a);clip.push(b)});clip.sort(compare);d3_geo_clipPolygonLinkCircular(subject);d3_geo_clipPolygonLinkCircular(clip);if(!subject.length)return;for(var i=0,entry=clipStartInside,n=clip.length;i<n;++i){clip[i].e=entry=!entry}var start=subject[0],points,point;while(1){var current=start,isSubject=true;while(current.v)if((current=current.n)===start)return;points=current.z;listener.lineStart();do{current.v=current.o.v=true;if(current.e){if(isSubject){for(var i=0,n=points.length;i<n;++i)listener.point((point=points[i])[0],point[1])}else{interpolate(current.x,current.n.x,1,listener)}current=current.n}else{if(isSubject){points=current.p.z;for(var i=points.length-1;i>=0;--i)listener.point((point=points[i])[0],point[1])}else{interpolate(current.x,current.p.x,-1,listener)}current=current.p}current=current.o;points=current.z;isSubject=!isSubject}while(!current.v);listener.lineEnd()}}function d3_geo_clipPolygonLinkCircular(array){if(!(n=array.length))return;var n,i=0,a=array[0],b;while(++i<n){a.n=b=array[i];b.p=a;a=b}a.n=b=array[0];b.p=a}function d3_geo_clipPolygonIntersection(point,points,other,entry){this.x=point;this.z=points;this.o=other;this.e=entry;this.v=false;this.n=this.p=null}function d3_geo_clip(pointVisible,clipLine,interpolate,clipStart){return function(rotate,listener){var line=clipLine(listener),rotatedClipStart=rotate.invert(clipStart[0],clipStart[1]);var clip={point:point,lineStart:lineStart,lineEnd:lineEnd,polygonStart:function(){clip.point=pointRing;clip.lineStart=ringStart;clip.lineEnd=ringEnd;segments=[];polygon=[]},polygonEnd:function(){clip.point=point;clip.lineStart=lineStart;clip.lineEnd=lineEnd;segments=d3.merge(segments);var clipStartInside=d3_geo_pointInPolygon(rotatedClipStart,polygon);if(segments.length){if(!polygonStarted)listener.polygonStart(),polygonStarted=true;d3_geo_clipPolygon(segments,d3_geo_clipSort,clipStartInside,interpolate,listener)}else if(clipStartInside){if(!polygonStarted)listener.polygonStart(),polygonStarted=true;listener.lineStart();interpolate(null,null,1,listener);listener.lineEnd()}if(polygonStarted)listener.polygonEnd(),polygonStarted=false;segments=polygon=null},sphere:function(){listener.polygonStart();listener.lineStart();interpolate(null,null,1,listener);listener.lineEnd();listener.polygonEnd()}};function point(λ,φ){var point=rotate(λ,φ);if(pointVisible(λ=point[0],φ=point[1]))listener.point(λ,φ)}function pointLine(λ,φ){var point=rotate(λ,φ);line.point(point[0],point[1])}function lineStart(){clip.point=pointLine;line.lineStart()}function lineEnd(){clip.point=point;line.lineEnd()}var segments;var buffer=d3_geo_clipBufferListener(),ringListener=clipLine(buffer),polygonStarted=false,polygon,ring;function pointRing(λ,φ){ring.push([λ,φ]);var point=rotate(λ,φ);ringListener.point(point[0],point[1])}function ringStart(){ringListener.lineStart();ring=[]}function ringEnd(){pointRing(ring[0][0],ring[0][1]);ringListener.lineEnd();var clean=ringListener.clean(),ringSegments=buffer.buffer(),segment,n=ringSegments.length;ring.pop();polygon.push(ring);ring=null;if(!n)return;if(clean&1){segment=ringSegments[0];var n=segment.length-1,i=-1,point;if(n>0){if(!polygonStarted)listener.polygonStart(),polygonStarted=true;listener.lineStart();while(++i<n)listener.point((point=segment[i])[0],point[1]);listener.lineEnd()}return}if(n>1&&clean&2)ringSegments.push(ringSegments.pop().concat(ringSegments.shift()));segments.push(ringSegments.filter(d3_geo_clipSegmentLength1))}return clip}}function d3_geo_clipSegmentLength1(segment){return segment.length>1}function d3_geo_clipBufferListener(){var lines=[],line;return{lineStart:function(){lines.push(line=[])},point:function(λ,φ){line.push([λ,φ])},lineEnd:d3_noop,buffer:function(){var buffer=lines;lines=[];line=null;return buffer},rejoin:function(){if(lines.length>1)lines.push(lines.pop().concat(lines.shift()))}}}function d3_geo_clipSort(a,b){return((a=a.x)[0]<0?a[1]-halfπ-ε:halfπ-a[1])-((b=b.x)[0]<0?b[1]-halfπ-ε:halfπ-b[1])}function d3_geo_pointInPolygon(point,polygon){var meridian=point[0],parallel=point[1],meridianNormal=[Math.sin(meridian),-Math.cos(meridian),0],polarAngle=0,winding=0;d3_geo_areaRingSum.reset();for(var i=0,n=polygon.length;i<n;++i){var ring=polygon[i],m=ring.length;if(!m)continue;var point0=ring[0],λ0=point0[0],φ0=point0[1]/2+π/4,sinφ0=Math.sin(φ0),cosφ0=Math.cos(φ0),j=1;while(true){if(j===m)j=0;point=ring[j];var λ=point[0],φ=point[1]/2+π/4,sinφ=Math.sin(φ),cosφ=Math.cos(φ),dλ=λ-λ0,sdλ=dλ>=0?1:-1,adλ=sdλ*dλ,antimeridian=adλ>π,k=sinφ0*sinφ;d3_geo_areaRingSum.add(Math.atan2(k*sdλ*Math.sin(adλ),cosφ0*cosφ+k*Math.cos(adλ)));polarAngle+=antimeridian?dλ+sdλ*τ:dλ;if(antimeridian^λ0>=meridian^λ>=meridian){var arc=d3_geo_cartesianCross(d3_geo_cartesian(point0),d3_geo_cartesian(point));d3_geo_cartesianNormalize(arc);var intersection=d3_geo_cartesianCross(meridianNormal,arc);d3_geo_cartesianNormalize(intersection);var φarc=(antimeridian^dλ>=0?-1:1)*d3_asin(intersection[2]);if(parallel>φarc||parallel===φarc&&(arc[0]||arc[1])){winding+=antimeridian^dλ>=0?1:-1}}if(!j++)break;λ0=λ,sinφ0=sinφ,cosφ0=cosφ,point0=point}}return(polarAngle<-ε||polarAngle<ε&&d3_geo_areaRingSum<0)^winding&1}var d3_geo_clipAntimeridian=d3_geo_clip(d3_true,d3_geo_clipAntimeridianLine,d3_geo_clipAntimeridianInterpolate,[-π,-π/2]);function d3_geo_clipAntimeridianLine(listener){var λ0=NaN,φ0=NaN,sλ0=NaN,clean;return{lineStart:function(){listener.lineStart();clean=1},point:function(λ1,φ1){var sλ1=λ1>0?π:-π,dλ=abs(λ1-λ0);if(abs(dλ-π)<ε){listener.point(λ0,φ0=(φ0+φ1)/2>0?halfπ:-halfπ);listener.point(sλ0,φ0);listener.lineEnd();listener.lineStart();listener.point(sλ1,φ0);listener.point(λ1,φ0);clean=0}else if(sλ0!==sλ1&&dλ>=π){if(abs(λ0-sλ0)<ε)λ0-=sλ0*ε;if(abs(λ1-sλ1)<ε)λ1-=sλ1*ε;φ0=d3_geo_clipAntimeridianIntersect(λ0,φ0,λ1,φ1);listener.point(sλ0,φ0);listener.lineEnd();listener.lineStart();listener.point(sλ1,φ0);clean=0}listener.point(λ0=λ1,φ0=φ1);sλ0=sλ1},lineEnd:function(){listener.lineEnd();λ0=φ0=NaN},clean:function(){return 2-clean}}}function d3_geo_clipAntimeridianIntersect(λ0,φ0,λ1,φ1){var cosφ0,cosφ1,sinλ0_λ1=Math.sin(λ0-λ1);return abs(sinλ0_λ1)>ε?Math.atan((Math.sin(φ0)*(cosφ1=Math.cos(φ1))*Math.sin(λ1)-Math.sin(φ1)*(cosφ0=Math.cos(φ0))*Math.sin(λ0))/(cosφ0*cosφ1*sinλ0_λ1)):(φ0+φ1)/2}function d3_geo_clipAntimeridianInterpolate(from,to,direction,listener){var φ;if(from==null){φ=direction*halfπ;listener.point(-π,φ);listener.point(0,φ);listener.point(π,φ);listener.point(π,0);listener.point(π,-φ);listener.point(0,-φ);listener.point(-π,-φ);listener.point(-π,0);listener.point(-π,φ)}else if(abs(from[0]-to[0])>ε){var s=from[0]<to[0]?π:-π;φ=direction*s/2;listener.point(-s,φ);listener.point(0,φ);listener.point(s,φ)}else{listener.point(to[0],to[1])}}function d3_geo_clipCircle(radius){var cr=Math.cos(radius),smallRadius=cr>0,notHemisphere=abs(cr)>ε,interpolate=d3_geo_circleInterpolate(radius,6*d3_radians);return d3_geo_clip(visible,clipLine,interpolate,smallRadius?[0,-radius]:[-π,radius-π]);function visible(λ,φ){return Math.cos(λ)*Math.cos(φ)>cr}function clipLine(listener){var point0,c0,v0,v00,clean;return{lineStart:function(){v00=v0=false;clean=1},point:function(λ,φ){var point1=[λ,φ],point2,v=visible(λ,φ),c=smallRadius?v?0:code(λ,φ):v?code(λ+(λ<0?π:-π),φ):0;if(!point0&&(v00=v0=v))listener.lineStart();if(v!==v0){point2=intersect(point0,point1);if(d3_geo_sphericalEqual(point0,point2)||d3_geo_sphericalEqual(point1,point2)){point1[0]+=ε;point1[1]+=ε;v=visible(point1[0],point1[1])}}if(v!==v0){clean=0;if(v){listener.lineStart();point2=intersect(point1,point0);listener.point(point2[0],point2[1])}else{point2=intersect(point0,point1);listener.point(point2[0],point2[1]);listener.lineEnd()}point0=point2}else if(notHemisphere&&point0&&smallRadius^v){var t;if(!(c&c0)&&(t=intersect(point1,point0,true))){clean=0;if(smallRadius){listener.lineStart();listener.point(t[0][0],t[0][1]);listener.point(t[1][0],t[1][1]);listener.lineEnd()}else{listener.point(t[1][0],t[1][1]);listener.lineEnd();listener.lineStart();listener.point(t[0][0],t[0][1])}}}if(v&&(!point0||!d3_geo_sphericalEqual(point0,point1))){listener.point(point1[0],point1[1])}point0=point1,v0=v,c0=c},lineEnd:function(){if(v0)listener.lineEnd();point0=null},clean:function(){return clean|(v00&&v0)<<1}}}function intersect(a,b,two){var pa=d3_geo_cartesian(a),pb=d3_geo_cartesian(b);var n1=[1,0,0],n2=d3_geo_cartesianCross(pa,pb),n2n2=d3_geo_cartesianDot(n2,n2),n1n2=n2[0],determinant=n2n2-n1n2*n1n2;if(!determinant)return!two&&a;var c1=cr*n2n2/determinant,c2=-cr*n1n2/determinant,n1xn2=d3_geo_cartesianCross(n1,n2),A=d3_geo_cartesianScale(n1,c1),B=d3_geo_cartesianScale(n2,c2);d3_geo_cartesianAdd(A,B);var u=n1xn2,w=d3_geo_cartesianDot(A,u),uu=d3_geo_cartesianDot(u,u),t2=w*w-uu*(d3_geo_cartesianDot(A,A)-1);if(t2<0)return;var t=Math.sqrt(t2),q=d3_geo_cartesianScale(u,(-w-t)/uu);d3_geo_cartesianAdd(q,A);q=d3_geo_spherical(q);if(!two)return q;var λ0=a[0],λ1=b[0],φ0=a[1],φ1=b[1],z;if(λ1<λ0)z=λ0,λ0=λ1,λ1=z;var δλ=λ1-λ0,polar=abs(δλ-π)<ε,meridian=polar||δλ<ε;if(!polar&&φ1<φ0)z=φ0,φ0=φ1,φ1=z;if(meridian?polar?φ0+φ1>0^q[1]<(abs(q[0]-λ0)<ε?φ0:φ1):φ0<=q[1]&&q[1]<=φ1:δλ>π^(λ0<=q[0]&&q[0]<=λ1)){var q1=d3_geo_cartesianScale(u,(-w+t)/uu);d3_geo_cartesianAdd(q1,A);return[q,d3_geo_spherical(q1)]}}function code(λ,φ){var r=smallRadius?radius:π-radius,code=0;if(λ<-r)code|=1;else if(λ>r)code|=2;if(φ<-r)code|=4;else if(φ>r)code|=8;return code}}function d3_geom_clipLine(x0,y0,x1,y1){return function(line){var a=line.a,b=line.b,ax=a.x,ay=a.y,bx=b.x,by=b.y,t0=0,t1=1,dx=bx-ax,dy=by-ay,r;r=x0-ax;if(!dx&&r>0)return;r/=dx;if(dx<0){if(r<t0)return;if(r<t1)t1=r}else if(dx>0){if(r>t1)return;if(r>t0)t0=r}r=x1-ax;if(!dx&&r<0)return;r/=dx;if(dx<0){if(r>t1)return;if(r>t0)t0=r}else if(dx>0){if(r<t0)return;if(r<t1)t1=r}r=y0-ay;if(!dy&&r>0)return;r/=dy;if(dy<0){if(r<t0)return;if(r<t1)t1=r}else if(dy>0){if(r>t1)return;if(r>t0)t0=r}r=y1-ay;if(!dy&&r<0)return;r/=dy;if(dy<0){if(r>t1)return;if(r>t0)t0=r}else if(dy>0){if(r<t0)return;if(r<t1)t1=r}if(t0>0)line.a={x:ax+t0*dx,y:ay+t0*dy};if(t1<1)line.b={x:ax+t1*dx,y:ay+t1*dy};return line}}var d3_geo_clipExtentMAX=1e9;d3.geo.clipExtent=function(){var x0,y0,x1,y1,stream,clip,clipExtent={stream:function(output){if(stream)stream.valid=false;stream=clip(output);stream.valid=true;return stream},extent:function(_){if(!arguments.length)return[[x0,y0],[x1,y1]];clip=d3_geo_clipExtent(x0=+_[0][0],y0=+_[0][1],x1=+_[1][0],y1=+_[1][1]);if(stream)stream.valid=false,stream=null;return clipExtent}};return clipExtent.extent([[0,0],[960,500]])};function d3_geo_clipExtent(x0,y0,x1,y1){return function(listener){var listener_=listener,bufferListener=d3_geo_clipBufferListener(),clipLine=d3_geom_clipLine(x0,y0,x1,y1),segments,polygon,ring;var clip={point:point,lineStart:lineStart,lineEnd:lineEnd,polygonStart:function(){listener=bufferListener;segments=[];polygon=[];clean=true},polygonEnd:function(){listener=listener_;segments=d3.merge(segments);var clipStartInside=insidePolygon([x0,y1]),inside=clean&&clipStartInside,visible=segments.length;if(inside||visible){listener.polygonStart();if(inside){listener.lineStart();interpolate(null,null,1,listener);listener.lineEnd()}if(visible){d3_geo_clipPolygon(segments,compare,clipStartInside,interpolate,listener)}listener.polygonEnd()}segments=polygon=ring=null}};function insidePolygon(p){var wn=0,n=polygon.length,y=p[1];for(var i=0;i<n;++i){for(var j=1,v=polygon[i],m=v.length,a=v[0],b;j<m;++j){b=v[j];if(a[1]<=y){if(b[1]>y&&d3_cross2d(a,b,p)>0)++wn}else{if(b[1]<=y&&d3_cross2d(a,b,p)<0)--wn}a=b}}return wn!==0}function interpolate(from,to,direction,listener){var a=0,a1=0;if(from==null||(a=corner(from,direction))!==(a1=corner(to,direction))||comparePoints(from,to)<0^direction>0){do{listener.point(a===0||a===3?x0:x1,a>1?y1:y0)}while((a=(a+direction+4)%4)!==a1)}else{listener.point(to[0],to[1])}}function pointVisible(x,y){return x0<=x&&x<=x1&&y0<=y&&y<=y1}function point(x,y){if(pointVisible(x,y))listener.point(x,y)}var x__,y__,v__,x_,y_,v_,first,clean;function lineStart(){clip.point=linePoint;if(polygon)polygon.push(ring=[]);first=true;v_=false;x_=y_=NaN}function lineEnd(){if(segments){linePoint(x__,y__);if(v__&&v_)bufferListener.rejoin();segments.push(bufferListener.buffer())}clip.point=point;if(v_)listener.lineEnd()}function linePoint(x,y){x=Math.max(-d3_geo_clipExtentMAX,Math.min(d3_geo_clipExtentMAX,x));y=Math.max(-d3_geo_clipExtentMAX,Math.min(d3_geo_clipExtentMAX,y));var v=pointVisible(x,y);if(polygon)ring.push([x,y]);if(first){x__=x,y__=y,v__=v;first=false;if(v){listener.lineStart();listener.point(x,y)}}else{if(v&&v_)listener.point(x,y);else{var l={a:{x:x_,y:y_},b:{x:x,y:y}};if(clipLine(l)){if(!v_){listener.lineStart();listener.point(l.a.x,l.a.y)}listener.point(l.b.x,l.b.y);if(!v)listener.lineEnd();clean=false}else if(v){listener.lineStart();listener.point(x,y);clean=false}}}x_=x,y_=y,v_=v}return clip};function corner(p,direction){return abs(p[0]-x0)<ε?direction>0?0:3:abs(p[0]-x1)<ε?direction>0?2:1:abs(p[1]-y0)<ε?direction>0?1:0:direction>0?3:2}function compare(a,b){return comparePoints(a.x,b.x)}function comparePoints(a,b){var ca=corner(a,1),cb=corner(b,1);return ca!==cb?ca-cb:ca===0?b[1]-a[1]:ca===1?a[0]-b[0]:ca===2?a[1]-b[1]:b[0]-a[0]}}function d3_geo_compose(a,b){function compose(x,y){return x=a(x,y),b(x[0],x[1])}if(a.invert&&b.invert)compose.invert=function(x,y){return x=b.invert(x,y),x&&a.invert(x[0],x[1])};return compose}function d3_geo_conic(projectAt){var φ0=0,φ1=π/3,m=d3_geo_projectionMutator(projectAt),p=m(φ0,φ1);p.parallels=function(_){if(!arguments.length)return[φ0/π*180,φ1/π*180];return m(φ0=_[0]*π/180,φ1=_[1]*π/180)};return p}function d3_geo_conicEqualArea(φ0,φ1){var sinφ0=Math.sin(φ0),n=(sinφ0+Math.sin(φ1))/2,C=1+sinφ0*(2*n-sinφ0),ρ0=Math.sqrt(C)/n;function forward(λ,φ){var ρ=Math.sqrt(C-2*n*Math.sin(φ))/n;return[ρ*Math.sin(λ*=n),ρ0-ρ*Math.cos(λ)]}forward.invert=function(x,y){var ρ0_y=ρ0-y;return[Math.atan2(x,ρ0_y)/n,d3_asin((C-(x*x+ρ0_y*ρ0_y)*n*n)/(2*n))]};return forward}(d3.geo.conicEqualArea=function(){return d3_geo_conic(d3_geo_conicEqualArea)}).raw=d3_geo_conicEqualArea;d3.geo.albers=function(){return d3.geo.conicEqualArea().rotate([96,0]).center([-.6,38.7]).parallels([29.5,45.5]).scale(1070)};d3.geo.albersUsa=function(){var lower48=d3.geo.albers();var alaska=d3.geo.conicEqualArea().rotate([154,0]).center([-2,58.5]).parallels([55,65]);var hawaii=d3.geo.conicEqualArea().rotate([157,0]).center([-3,19.9]).parallels([8,18]);var point,pointStream={point:function(x,y){point=[x,y]}},lower48Point,alaskaPoint,hawaiiPoint;function albersUsa(coordinates){var x=coordinates[0],y=coordinates[1];point=null;(lower48Point(x,y),point)||(alaskaPoint(x,y),point)||hawaiiPoint(x,y);return point}albersUsa.invert=function(coordinates){var k=lower48.scale(),t=lower48.translate(),x=(coordinates[0]-t[0])/k,y=(coordinates[1]-t[1])/k;return(y>=.12&&y<.234&&x>=-.425&&x<-.214?alaska:y>=.166&&y<.234&&x>=-.214&&x<-.115?hawaii:lower48).invert(coordinates)};albersUsa.stream=function(stream){var lower48Stream=lower48.stream(stream),alaskaStream=alaska.stream(stream),hawaiiStream=hawaii.stream(stream);return{point:function(x,y){lower48Stream.point(x,y);alaskaStream.point(x,y);hawaiiStream.point(x,y)},sphere:function(){lower48Stream.sphere();alaskaStream.sphere();hawaiiStream.sphere()},lineStart:function(){lower48Stream.lineStart();alaskaStream.lineStart();hawaiiStream.lineStart()},lineEnd:function(){lower48Stream.lineEnd();alaskaStream.lineEnd();hawaiiStream.lineEnd()},polygonStart:function(){lower48Stream.polygonStart();alaskaStream.polygonStart();hawaiiStream.polygonStart()},polygonEnd:function(){lower48Stream.polygonEnd();alaskaStream.polygonEnd();hawaiiStream.polygonEnd()}}};albersUsa.precision=function(_){if(!arguments.length)return lower48.precision();lower48.precision(_);alaska.precision(_);hawaii.precision(_);return albersUsa};albersUsa.scale=function(_){if(!arguments.length)return lower48.scale();lower48.scale(_);alaska.scale(_*.35);hawaii.scale(_);return albersUsa.translate(lower48.translate())};albersUsa.translate=function(_){if(!arguments.length)return lower48.translate();var k=lower48.scale(),x=+_[0],y=+_[1];lower48Point=lower48.translate(_).clipExtent([[x-.455*k,y-.238*k],[x+.455*k,y+.238*k]]).stream(pointStream).point;alaskaPoint=alaska.translate([x-.307*k,y+.201*k]).clipExtent([[x-.425*k+ε,y+.12*k+ε],[x-.214*k-ε,y+.234*k-ε]]).stream(pointStream).point;hawaiiPoint=hawaii.translate([x-.205*k,y+.212*k]).clipExtent([[x-.214*k+ε,y+.166*k+ε],[x-.115*k-ε,y+.234*k-ε]]).stream(pointStream).point;return albersUsa};return albersUsa.scale(1070)};var d3_geo_pathAreaSum,d3_geo_pathAreaPolygon,d3_geo_pathArea={point:d3_noop,lineStart:d3_noop,lineEnd:d3_noop,polygonStart:function(){d3_geo_pathAreaPolygon=0;d3_geo_pathArea.lineStart=d3_geo_pathAreaRingStart},polygonEnd:function(){d3_geo_pathArea.lineStart=d3_geo_pathArea.lineEnd=d3_geo_pathArea.point=d3_noop;d3_geo_pathAreaSum+=abs(d3_geo_pathAreaPolygon/2)}};function d3_geo_pathAreaRingStart(){var x00,y00,x0,y0;d3_geo_pathArea.point=function(x,y){d3_geo_pathArea.point=nextPoint;x00=x0=x,y00=y0=y};function nextPoint(x,y){d3_geo_pathAreaPolygon+=y0*x-x0*y;x0=x,y0=y}d3_geo_pathArea.lineEnd=function(){nextPoint(x00,y00)}}var d3_geo_pathBoundsX0,d3_geo_pathBoundsY0,d3_geo_pathBoundsX1,d3_geo_pathBoundsY1;var d3_geo_pathBounds={point:d3_geo_pathBoundsPoint,lineStart:d3_noop,lineEnd:d3_noop,polygonStart:d3_noop,polygonEnd:d3_noop};function d3_geo_pathBoundsPoint(x,y){if(x<d3_geo_pathBoundsX0)d3_geo_pathBoundsX0=x;if(x>d3_geo_pathBoundsX1)d3_geo_pathBoundsX1=x;if(y<d3_geo_pathBoundsY0)d3_geo_pathBoundsY0=y;if(y>d3_geo_pathBoundsY1)d3_geo_pathBoundsY1=y}function d3_geo_pathBuffer(){var pointCircle=d3_geo_pathBufferCircle(4.5),buffer=[];var stream={point:point,lineStart:function(){stream.point=pointLineStart},lineEnd:lineEnd,polygonStart:function(){stream.lineEnd=lineEndPolygon},polygonEnd:function(){stream.lineEnd=lineEnd;stream.point=point},pointRadius:function(_){pointCircle=d3_geo_pathBufferCircle(_);return stream},result:function(){if(buffer.length){var result=buffer.join("");buffer=[];return result}}};function point(x,y){buffer.push("M",x,",",y,pointCircle)}function pointLineStart(x,y){buffer.push("M",x,",",y);stream.point=pointLine}function pointLine(x,y){buffer.push("L",x,",",y)}function lineEnd(){stream.point=point}function lineEndPolygon(){buffer.push("Z")}return stream}function d3_geo_pathBufferCircle(radius){return"m0,"+radius+"a"+radius+","+radius+" 0 1,1 0,"+-2*radius+"a"+radius+","+radius+" 0 1,1 0,"+2*radius+"z"}var d3_geo_pathCentroid={point:d3_geo_pathCentroidPoint,lineStart:d3_geo_pathCentroidLineStart,lineEnd:d3_geo_pathCentroidLineEnd,polygonStart:function(){d3_geo_pathCentroid.lineStart=d3_geo_pathCentroidRingStart},polygonEnd:function(){d3_geo_pathCentroid.point=d3_geo_pathCentroidPoint;d3_geo_pathCentroid.lineStart=d3_geo_pathCentroidLineStart;d3_geo_pathCentroid.lineEnd=d3_geo_pathCentroidLineEnd}};function d3_geo_pathCentroidPoint(x,y){d3_geo_centroidX0+=x;d3_geo_centroidY0+=y;++d3_geo_centroidZ0}function d3_geo_pathCentroidLineStart(){var x0,y0;d3_geo_pathCentroid.point=function(x,y){d3_geo_pathCentroid.point=nextPoint;d3_geo_pathCentroidPoint(x0=x,y0=y)};function nextPoint(x,y){var dx=x-x0,dy=y-y0,z=Math.sqrt(dx*dx+dy*dy);d3_geo_centroidX1+=z*(x0+x)/2;d3_geo_centroidY1+=z*(y0+y)/2;d3_geo_centroidZ1+=z;d3_geo_pathCentroidPoint(x0=x,y0=y)}}function d3_geo_pathCentroidLineEnd(){d3_geo_pathCentroid.point=d3_geo_pathCentroidPoint}function d3_geo_pathCentroidRingStart(){var x00,y00,x0,y0;d3_geo_pathCentroid.point=function(x,y){d3_geo_pathCentroid.point=nextPoint;d3_geo_pathCentroidPoint(x00=x0=x,y00=y0=y)};function nextPoint(x,y){var dx=x-x0,dy=y-y0,z=Math.sqrt(dx*dx+dy*dy);d3_geo_centroidX1+=z*(x0+x)/2;d3_geo_centroidY1+=z*(y0+y)/2;d3_geo_centroidZ1+=z;z=y0*x-x0*y;d3_geo_centroidX2+=z*(x0+x);d3_geo_centroidY2+=z*(y0+y);d3_geo_centroidZ2+=z*3;d3_geo_pathCentroidPoint(x0=x,y0=y)}d3_geo_pathCentroid.lineEnd=function(){nextPoint(x00,y00)}}function d3_geo_pathContext(context){var pointRadius=4.5;var stream={point:point,lineStart:function(){stream.point=pointLineStart},lineEnd:lineEnd,polygonStart:function(){stream.lineEnd=lineEndPolygon},polygonEnd:function(){stream.lineEnd=lineEnd;stream.point=point},pointRadius:function(_){pointRadius=_;return stream},result:d3_noop};function point(x,y){context.moveTo(x,y);context.arc(x,y,pointRadius,0,τ)}function pointLineStart(x,y){context.moveTo(x,y);stream.point=pointLine}function pointLine(x,y){context.lineTo(x,y)}function lineEnd(){stream.point=point}function lineEndPolygon(){context.closePath()}return stream}function d3_geo_resample(project){var δ2=.5,cosMinDistance=Math.cos(30*d3_radians),maxDepth=16;function resample(stream){return(maxDepth?resampleRecursive:resampleNone)(stream)}function resampleNone(stream){return d3_geo_transformPoint(stream,function(x,y){x=project(x,y);stream.point(x[0],x[1])})}function resampleRecursive(stream){var λ00,φ00,x00,y00,a00,b00,c00,λ0,x0,y0,a0,b0,c0;var resample={point:point,lineStart:lineStart,lineEnd:lineEnd,polygonStart:function(){stream.polygonStart();resample.lineStart=ringStart},polygonEnd:function(){stream.polygonEnd();resample.lineStart=lineStart}};function point(x,y){x=project(x,y);stream.point(x[0],x[1])}function lineStart(){x0=NaN;resample.point=linePoint;stream.lineStart()}function linePoint(λ,φ){var c=d3_geo_cartesian([λ,φ]),p=project(λ,φ);resampleLineTo(x0,y0,λ0,a0,b0,c0,x0=p[0],y0=p[1],λ0=λ,a0=c[0],b0=c[1],c0=c[2],maxDepth,stream);stream.point(x0,y0)}function lineEnd(){resample.point=point;stream.lineEnd()}function ringStart(){lineStart();resample.point=ringPoint;resample.lineEnd=ringEnd}function ringPoint(λ,φ){linePoint(λ00=λ,φ00=φ),x00=x0,y00=y0,a00=a0,b00=b0,c00=c0;resample.point=linePoint}function ringEnd(){resampleLineTo(x0,y0,λ0,a0,b0,c0,x00,y00,λ00,a00,b00,c00,maxDepth,stream);resample.lineEnd=lineEnd;lineEnd()}return resample}function resampleLineTo(x0,y0,λ0,a0,b0,c0,x1,y1,λ1,a1,b1,c1,depth,stream){var dx=x1-x0,dy=y1-y0,d2=dx*dx+dy*dy;if(d2>4*δ2&&depth--){var a=a0+a1,b=b0+b1,c=c0+c1,m=Math.sqrt(a*a+b*b+c*c),φ2=Math.asin(c/=m),λ2=abs(abs(c)-1)<ε||abs(λ0-λ1)<ε?(λ0+λ1)/2:Math.atan2(b,a),p=project(λ2,φ2),x2=p[0],y2=p[1],dx2=x2-x0,dy2=y2-y0,dz=dy*dx2-dx*dy2;if(dz*dz/d2>δ2||abs((dx*dx2+dy*dy2)/d2-.5)>.3||a0*a1+b0*b1+c0*c1<cosMinDistance){resampleLineTo(x0,y0,λ0,a0,b0,c0,x2,y2,λ2,a/=m,b/=m,c,depth,stream);stream.point(x2,y2);resampleLineTo(x2,y2,λ2,a,b,c,x1,y1,λ1,a1,b1,c1,depth,stream)}}}resample.precision=function(_){if(!arguments.length)return Math.sqrt(δ2);maxDepth=(δ2=_*_)>0&&16;return resample};return resample}d3.geo.path=function(){var pointRadius=4.5,projection,context,projectStream,contextStream,cacheStream;function path(object){if(object){if(typeof pointRadius==="function")contextStream.pointRadius(+pointRadius.apply(this,arguments));if(!cacheStream||!cacheStream.valid)cacheStream=projectStream(contextStream);d3.geo.stream(object,cacheStream)}return contextStream.result()}path.area=function(object){d3_geo_pathAreaSum=0;d3.geo.stream(object,projectStream(d3_geo_pathArea));return d3_geo_pathAreaSum};path.centroid=function(object){d3_geo_centroidX0=d3_geo_centroidY0=d3_geo_centroidZ0=d3_geo_centroidX1=d3_geo_centroidY1=d3_geo_centroidZ1=d3_geo_centroidX2=d3_geo_centroidY2=d3_geo_centroidZ2=0;d3.geo.stream(object,projectStream(d3_geo_pathCentroid));return d3_geo_centroidZ2?[d3_geo_centroidX2/d3_geo_centroidZ2,d3_geo_centroidY2/d3_geo_centroidZ2]:d3_geo_centroidZ1?[d3_geo_centroidX1/d3_geo_centroidZ1,d3_geo_centroidY1/d3_geo_centroidZ1]:d3_geo_centroidZ0?[d3_geo_centroidX0/d3_geo_centroidZ0,d3_geo_centroidY0/d3_geo_centroidZ0]:[NaN,NaN]};path.bounds=function(object){d3_geo_pathBoundsX1=d3_geo_pathBoundsY1=-(d3_geo_pathBoundsX0=d3_geo_pathBoundsY0=Infinity);d3.geo.stream(object,projectStream(d3_geo_pathBounds));return[[d3_geo_pathBoundsX0,d3_geo_pathBoundsY0],[d3_geo_pathBoundsX1,d3_geo_pathBoundsY1]]};path.projection=function(_){if(!arguments.length)return projection;projectStream=(projection=_)?_.stream||d3_geo_pathProjectStream(_):d3_identity;return reset()};path.context=function(_){if(!arguments.length)return context;contextStream=(context=_)==null?new d3_geo_pathBuffer:new d3_geo_pathContext(_);if(typeof pointRadius!=="function")contextStream.pointRadius(pointRadius);return reset()};path.pointRadius=function(_){if(!arguments.length)return pointRadius;pointRadius=typeof _==="function"?_:(contextStream.pointRadius(+_),+_);return path};function reset(){cacheStream=null;return path}return path.projection(d3.geo.albersUsa()).context(null)};function d3_geo_pathProjectStream(project){var resample=d3_geo_resample(function(x,y){return project([x*d3_degrees,y*d3_degrees])});return function(stream){return d3_geo_projectionRadians(resample(stream))}}d3.geo.transform=function(methods){return{stream:function(stream){var transform=new d3_geo_transform(stream);for(var k in methods)transform[k]=methods[k];return transform}}};function d3_geo_transform(stream){this.stream=stream}d3_geo_transform.prototype={point:function(x,y){this.stream.point(x,y)},sphere:function(){this.stream.sphere()},lineStart:function(){this.stream.lineStart()},lineEnd:function(){this.stream.lineEnd()},polygonStart:function(){this.stream.polygonStart()},polygonEnd:function(){this.stream.polygonEnd()}};function d3_geo_transformPoint(stream,point){return{point:point,sphere:function(){stream.sphere()},lineStart:function(){stream.lineStart()},lineEnd:function(){stream.lineEnd()},polygonStart:function(){stream.polygonStart()},polygonEnd:function(){stream.polygonEnd()}}}d3.geo.projection=d3_geo_projection;
d3.geo.projectionMutator=d3_geo_projectionMutator;function d3_geo_projection(project){return d3_geo_projectionMutator(function(){return project})()}function d3_geo_projectionMutator(projectAt){var project,rotate,projectRotate,projectResample=d3_geo_resample(function(x,y){x=project(x,y);return[x[0]*k+δx,δy-x[1]*k]}),k=150,x=480,y=250,λ=0,φ=0,δλ=0,δφ=0,δγ=0,δx,δy,preclip=d3_geo_clipAntimeridian,postclip=d3_identity,clipAngle=null,clipExtent=null,stream;function projection(point){point=projectRotate(point[0]*d3_radians,point[1]*d3_radians);return[point[0]*k+δx,δy-point[1]*k]}function invert(point){point=projectRotate.invert((point[0]-δx)/k,(δy-point[1])/k);return point&&[point[0]*d3_degrees,point[1]*d3_degrees]}projection.stream=function(output){if(stream)stream.valid=false;stream=d3_geo_projectionRadians(preclip(rotate,projectResample(postclip(output))));stream.valid=true;return stream};projection.clipAngle=function(_){if(!arguments.length)return clipAngle;preclip=_==null?(clipAngle=_,d3_geo_clipAntimeridian):d3_geo_clipCircle((clipAngle=+_)*d3_radians);return invalidate()};projection.clipExtent=function(_){if(!arguments.length)return clipExtent;clipExtent=_;postclip=_?d3_geo_clipExtent(_[0][0],_[0][1],_[1][0],_[1][1]):d3_identity;return invalidate()};projection.scale=function(_){if(!arguments.length)return k;k=+_;return reset()};projection.translate=function(_){if(!arguments.length)return[x,y];x=+_[0];y=+_[1];return reset()};projection.center=function(_){if(!arguments.length)return[λ*d3_degrees,φ*d3_degrees];λ=_[0]%360*d3_radians;φ=_[1]%360*d3_radians;return reset()};projection.rotate=function(_){if(!arguments.length)return[δλ*d3_degrees,δφ*d3_degrees,δγ*d3_degrees];δλ=_[0]%360*d3_radians;δφ=_[1]%360*d3_radians;δγ=_.length>2?_[2]%360*d3_radians:0;return reset()};d3.rebind(projection,projectResample,"precision");function reset(){projectRotate=d3_geo_compose(rotate=d3_geo_rotation(δλ,δφ,δγ),project);var center=project(λ,φ);δx=x-center[0]*k;δy=y+center[1]*k;return invalidate()}function invalidate(){if(stream)stream.valid=false,stream=null;return projection}return function(){project=projectAt.apply(this,arguments);projection.invert=project.invert&&invert;return reset()}}function d3_geo_projectionRadians(stream){return d3_geo_transformPoint(stream,function(x,y){stream.point(x*d3_radians,y*d3_radians)})}function d3_geo_equirectangular(λ,φ){return[λ,φ]}(d3.geo.equirectangular=function(){return d3_geo_projection(d3_geo_equirectangular)}).raw=d3_geo_equirectangular.invert=d3_geo_equirectangular;d3.geo.rotation=function(rotate){rotate=d3_geo_rotation(rotate[0]%360*d3_radians,rotate[1]*d3_radians,rotate.length>2?rotate[2]*d3_radians:0);function forward(coordinates){coordinates=rotate(coordinates[0]*d3_radians,coordinates[1]*d3_radians);return coordinates[0]*=d3_degrees,coordinates[1]*=d3_degrees,coordinates}forward.invert=function(coordinates){coordinates=rotate.invert(coordinates[0]*d3_radians,coordinates[1]*d3_radians);return coordinates[0]*=d3_degrees,coordinates[1]*=d3_degrees,coordinates};return forward};function d3_geo_identityRotation(λ,φ){return[λ>π?λ-τ:λ<-π?λ+τ:λ,φ]}d3_geo_identityRotation.invert=d3_geo_equirectangular;function d3_geo_rotation(δλ,δφ,δγ){return δλ?δφ||δγ?d3_geo_compose(d3_geo_rotationλ(δλ),d3_geo_rotationφγ(δφ,δγ)):d3_geo_rotationλ(δλ):δφ||δγ?d3_geo_rotationφγ(δφ,δγ):d3_geo_identityRotation}function d3_geo_forwardRotationλ(δλ){return function(λ,φ){return λ+=δλ,[λ>π?λ-τ:λ<-π?λ+τ:λ,φ]}}function d3_geo_rotationλ(δλ){var rotation=d3_geo_forwardRotationλ(δλ);rotation.invert=d3_geo_forwardRotationλ(-δλ);return rotation}function d3_geo_rotationφγ(δφ,δγ){var cosδφ=Math.cos(δφ),sinδφ=Math.sin(δφ),cosδγ=Math.cos(δγ),sinδγ=Math.sin(δγ);function rotation(λ,φ){var cosφ=Math.cos(φ),x=Math.cos(λ)*cosφ,y=Math.sin(λ)*cosφ,z=Math.sin(φ),k=z*cosδφ+x*sinδφ;return[Math.atan2(y*cosδγ-k*sinδγ,x*cosδφ-z*sinδφ),d3_asin(k*cosδγ+y*sinδγ)]}rotation.invert=function(λ,φ){var cosφ=Math.cos(φ),x=Math.cos(λ)*cosφ,y=Math.sin(λ)*cosφ,z=Math.sin(φ),k=z*cosδγ-y*sinδγ;return[Math.atan2(y*cosδγ+z*sinδγ,x*cosδφ+k*sinδφ),d3_asin(k*cosδφ-x*sinδφ)]};return rotation}d3.geo.circle=function(){var origin=[0,0],angle,precision=6,interpolate;function circle(){var center=typeof origin==="function"?origin.apply(this,arguments):origin,rotate=d3_geo_rotation(-center[0]*d3_radians,-center[1]*d3_radians,0).invert,ring=[];interpolate(null,null,1,{point:function(x,y){ring.push(x=rotate(x,y));x[0]*=d3_degrees,x[1]*=d3_degrees}});return{type:"Polygon",coordinates:[ring]}}circle.origin=function(x){if(!arguments.length)return origin;origin=x;return circle};circle.angle=function(x){if(!arguments.length)return angle;interpolate=d3_geo_circleInterpolate((angle=+x)*d3_radians,precision*d3_radians);return circle};circle.precision=function(_){if(!arguments.length)return precision;interpolate=d3_geo_circleInterpolate(angle*d3_radians,(precision=+_)*d3_radians);return circle};return circle.angle(90)};function d3_geo_circleInterpolate(radius,precision){var cr=Math.cos(radius),sr=Math.sin(radius);return function(from,to,direction,listener){var step=direction*precision;if(from!=null){from=d3_geo_circleAngle(cr,from);to=d3_geo_circleAngle(cr,to);if(direction>0?from<to:from>to)from+=direction*τ}else{from=radius+direction*τ;to=radius-.5*step}for(var point,t=from;direction>0?t>to:t<to;t-=step){listener.point((point=d3_geo_spherical([cr,-sr*Math.cos(t),-sr*Math.sin(t)]))[0],point[1])}}}function d3_geo_circleAngle(cr,point){var a=d3_geo_cartesian(point);a[0]-=cr;d3_geo_cartesianNormalize(a);var angle=d3_acos(-a[1]);return((-a[2]<0?-angle:angle)+2*Math.PI-ε)%(2*Math.PI)}d3.geo.distance=function(a,b){var Δλ=(b[0]-a[0])*d3_radians,φ0=a[1]*d3_radians,φ1=b[1]*d3_radians,sinΔλ=Math.sin(Δλ),cosΔλ=Math.cos(Δλ),sinφ0=Math.sin(φ0),cosφ0=Math.cos(φ0),sinφ1=Math.sin(φ1),cosφ1=Math.cos(φ1),t;return Math.atan2(Math.sqrt((t=cosφ1*sinΔλ)*t+(t=cosφ0*sinφ1-sinφ0*cosφ1*cosΔλ)*t),sinφ0*sinφ1+cosφ0*cosφ1*cosΔλ)};d3.geo.graticule=function(){var x1,x0,X1,X0,y1,y0,Y1,Y0,dx=10,dy=dx,DX=90,DY=360,x,y,X,Y,precision=2.5;function graticule(){return{type:"MultiLineString",coordinates:lines()}}function lines(){return d3.range(Math.ceil(X0/DX)*DX,X1,DX).map(X).concat(d3.range(Math.ceil(Y0/DY)*DY,Y1,DY).map(Y)).concat(d3.range(Math.ceil(x0/dx)*dx,x1,dx).filter(function(x){return abs(x%DX)>ε}).map(x)).concat(d3.range(Math.ceil(y0/dy)*dy,y1,dy).filter(function(y){return abs(y%DY)>ε}).map(y))}graticule.lines=function(){return lines().map(function(coordinates){return{type:"LineString",coordinates:coordinates}})};graticule.outline=function(){return{type:"Polygon",coordinates:[X(X0).concat(Y(Y1).slice(1),X(X1).reverse().slice(1),Y(Y0).reverse().slice(1))]}};graticule.extent=function(_){if(!arguments.length)return graticule.minorExtent();return graticule.majorExtent(_).minorExtent(_)};graticule.majorExtent=function(_){if(!arguments.length)return[[X0,Y0],[X1,Y1]];X0=+_[0][0],X1=+_[1][0];Y0=+_[0][1],Y1=+_[1][1];if(X0>X1)_=X0,X0=X1,X1=_;if(Y0>Y1)_=Y0,Y0=Y1,Y1=_;return graticule.precision(precision)};graticule.minorExtent=function(_){if(!arguments.length)return[[x0,y0],[x1,y1]];x0=+_[0][0],x1=+_[1][0];y0=+_[0][1],y1=+_[1][1];if(x0>x1)_=x0,x0=x1,x1=_;if(y0>y1)_=y0,y0=y1,y1=_;return graticule.precision(precision)};graticule.step=function(_){if(!arguments.length)return graticule.minorStep();return graticule.majorStep(_).minorStep(_)};graticule.majorStep=function(_){if(!arguments.length)return[DX,DY];DX=+_[0],DY=+_[1];return graticule};graticule.minorStep=function(_){if(!arguments.length)return[dx,dy];dx=+_[0],dy=+_[1];return graticule};graticule.precision=function(_){if(!arguments.length)return precision;precision=+_;x=d3_geo_graticuleX(y0,y1,90);y=d3_geo_graticuleY(x0,x1,precision);X=d3_geo_graticuleX(Y0,Y1,90);Y=d3_geo_graticuleY(X0,X1,precision);return graticule};return graticule.majorExtent([[-180,-90+ε],[180,90-ε]]).minorExtent([[-180,-80-ε],[180,80+ε]])};function d3_geo_graticuleX(y0,y1,dy){var y=d3.range(y0,y1-ε,dy).concat(y1);return function(x){return y.map(function(y){return[x,y]})}}function d3_geo_graticuleY(x0,x1,dx){var x=d3.range(x0,x1-ε,dx).concat(x1);return function(y){return x.map(function(x){return[x,y]})}}function d3_source(d){return d.source}function d3_target(d){return d.target}d3.geo.greatArc=function(){var source=d3_source,source_,target=d3_target,target_;function greatArc(){return{type:"LineString",coordinates:[source_||source.apply(this,arguments),target_||target.apply(this,arguments)]}}greatArc.distance=function(){return d3.geo.distance(source_||source.apply(this,arguments),target_||target.apply(this,arguments))};greatArc.source=function(_){if(!arguments.length)return source;source=_,source_=typeof _==="function"?null:_;return greatArc};greatArc.target=function(_){if(!arguments.length)return target;target=_,target_=typeof _==="function"?null:_;return greatArc};greatArc.precision=function(){return arguments.length?greatArc:0};return greatArc};d3.geo.interpolate=function(source,target){return d3_geo_interpolate(source[0]*d3_radians,source[1]*d3_radians,target[0]*d3_radians,target[1]*d3_radians)};function d3_geo_interpolate(x0,y0,x1,y1){var cy0=Math.cos(y0),sy0=Math.sin(y0),cy1=Math.cos(y1),sy1=Math.sin(y1),kx0=cy0*Math.cos(x0),ky0=cy0*Math.sin(x0),kx1=cy1*Math.cos(x1),ky1=cy1*Math.sin(x1),d=2*Math.asin(Math.sqrt(d3_haversin(y1-y0)+cy0*cy1*d3_haversin(x1-x0))),k=1/Math.sin(d);var interpolate=d?function(t){var B=Math.sin(t*=d)*k,A=Math.sin(d-t)*k,x=A*kx0+B*kx1,y=A*ky0+B*ky1,z=A*sy0+B*sy1;return[Math.atan2(y,x)*d3_degrees,Math.atan2(z,Math.sqrt(x*x+y*y))*d3_degrees]}:function(){return[x0*d3_degrees,y0*d3_degrees]};interpolate.distance=d;return interpolate}d3.geo.length=function(object){d3_geo_lengthSum=0;d3.geo.stream(object,d3_geo_length);return d3_geo_lengthSum};var d3_geo_lengthSum;var d3_geo_length={sphere:d3_noop,point:d3_noop,lineStart:d3_geo_lengthLineStart,lineEnd:d3_noop,polygonStart:d3_noop,polygonEnd:d3_noop};function d3_geo_lengthLineStart(){var λ0,sinφ0,cosφ0;d3_geo_length.point=function(λ,φ){λ0=λ*d3_radians,sinφ0=Math.sin(φ*=d3_radians),cosφ0=Math.cos(φ);d3_geo_length.point=nextPoint};d3_geo_length.lineEnd=function(){d3_geo_length.point=d3_geo_length.lineEnd=d3_noop};function nextPoint(λ,φ){var sinφ=Math.sin(φ*=d3_radians),cosφ=Math.cos(φ),t=abs((λ*=d3_radians)-λ0),cosΔλ=Math.cos(t);d3_geo_lengthSum+=Math.atan2(Math.sqrt((t=cosφ*Math.sin(t))*t+(t=cosφ0*sinφ-sinφ0*cosφ*cosΔλ)*t),sinφ0*sinφ+cosφ0*cosφ*cosΔλ);λ0=λ,sinφ0=sinφ,cosφ0=cosφ}}function d3_geo_azimuthal(scale,angle){function azimuthal(λ,φ){var cosλ=Math.cos(λ),cosφ=Math.cos(φ),k=scale(cosλ*cosφ);return[k*cosφ*Math.sin(λ),k*Math.sin(φ)]}azimuthal.invert=function(x,y){var ρ=Math.sqrt(x*x+y*y),c=angle(ρ),sinc=Math.sin(c),cosc=Math.cos(c);return[Math.atan2(x*sinc,ρ*cosc),Math.asin(ρ&&y*sinc/ρ)]};return azimuthal}var d3_geo_azimuthalEqualArea=d3_geo_azimuthal(function(cosλcosφ){return Math.sqrt(2/(1+cosλcosφ))},function(ρ){return 2*Math.asin(ρ/2)});(d3.geo.azimuthalEqualArea=function(){return d3_geo_projection(d3_geo_azimuthalEqualArea)}).raw=d3_geo_azimuthalEqualArea;var d3_geo_azimuthalEquidistant=d3_geo_azimuthal(function(cosλcosφ){var c=Math.acos(cosλcosφ);return c&&c/Math.sin(c)},d3_identity);(d3.geo.azimuthalEquidistant=function(){return d3_geo_projection(d3_geo_azimuthalEquidistant)}).raw=d3_geo_azimuthalEquidistant;function d3_geo_conicConformal(φ0,φ1){var cosφ0=Math.cos(φ0),t=function(φ){return Math.tan(π/4+φ/2)},n=φ0===φ1?Math.sin(φ0):Math.log(cosφ0/Math.cos(φ1))/Math.log(t(φ1)/t(φ0)),F=cosφ0*Math.pow(t(φ0),n)/n;if(!n)return d3_geo_mercator;function forward(λ,φ){if(F>0){if(φ<-halfπ+ε)φ=-halfπ+ε}else{if(φ>halfπ-ε)φ=halfπ-ε}var ρ=F/Math.pow(t(φ),n);return[ρ*Math.sin(n*λ),F-ρ*Math.cos(n*λ)]}forward.invert=function(x,y){var ρ0_y=F-y,ρ=d3_sgn(n)*Math.sqrt(x*x+ρ0_y*ρ0_y);return[Math.atan2(x,ρ0_y)/n,2*Math.atan(Math.pow(F/ρ,1/n))-halfπ]};return forward}(d3.geo.conicConformal=function(){return d3_geo_conic(d3_geo_conicConformal)}).raw=d3_geo_conicConformal;function d3_geo_conicEquidistant(φ0,φ1){var cosφ0=Math.cos(φ0),n=φ0===φ1?Math.sin(φ0):(cosφ0-Math.cos(φ1))/(φ1-φ0),G=cosφ0/n+φ0;if(abs(n)<ε)return d3_geo_equirectangular;function forward(λ,φ){var ρ=G-φ;return[ρ*Math.sin(n*λ),G-ρ*Math.cos(n*λ)]}forward.invert=function(x,y){var ρ0_y=G-y;return[Math.atan2(x,ρ0_y)/n,G-d3_sgn(n)*Math.sqrt(x*x+ρ0_y*ρ0_y)]};return forward}(d3.geo.conicEquidistant=function(){return d3_geo_conic(d3_geo_conicEquidistant)}).raw=d3_geo_conicEquidistant;var d3_geo_gnomonic=d3_geo_azimuthal(function(cosλcosφ){return 1/cosλcosφ},Math.atan);(d3.geo.gnomonic=function(){return d3_geo_projection(d3_geo_gnomonic)}).raw=d3_geo_gnomonic;function d3_geo_mercator(λ,φ){return[λ,Math.log(Math.tan(π/4+φ/2))]}d3_geo_mercator.invert=function(x,y){return[x,2*Math.atan(Math.exp(y))-halfπ]};function d3_geo_mercatorProjection(project){var m=d3_geo_projection(project),scale=m.scale,translate=m.translate,clipExtent=m.clipExtent,clipAuto;m.scale=function(){var v=scale.apply(m,arguments);return v===m?clipAuto?m.clipExtent(null):m:v};m.translate=function(){var v=translate.apply(m,arguments);return v===m?clipAuto?m.clipExtent(null):m:v};m.clipExtent=function(_){var v=clipExtent.apply(m,arguments);if(v===m){if(clipAuto=_==null){var k=π*scale(),t=translate();clipExtent([[t[0]-k,t[1]-k],[t[0]+k,t[1]+k]])}}else if(clipAuto){v=null}return v};return m.clipExtent(null)}(d3.geo.mercator=function(){return d3_geo_mercatorProjection(d3_geo_mercator)}).raw=d3_geo_mercator;var d3_geo_orthographic=d3_geo_azimuthal(function(){return 1},Math.asin);(d3.geo.orthographic=function(){return d3_geo_projection(d3_geo_orthographic)}).raw=d3_geo_orthographic;var d3_geo_stereographic=d3_geo_azimuthal(function(cosλcosφ){return 1/(1+cosλcosφ)},function(ρ){return 2*Math.atan(ρ)});(d3.geo.stereographic=function(){return d3_geo_projection(d3_geo_stereographic)}).raw=d3_geo_stereographic;function d3_geo_transverseMercator(λ,φ){return[Math.log(Math.tan(π/4+φ/2)),-λ]}d3_geo_transverseMercator.invert=function(x,y){return[-y,2*Math.atan(Math.exp(x))-halfπ]};(d3.geo.transverseMercator=function(){var projection=d3_geo_mercatorProjection(d3_geo_transverseMercator),center=projection.center,rotate=projection.rotate;projection.center=function(_){return _?center([-_[1],_[0]]):(_=center(),[-_[1],_[0]])};projection.rotate=function(_){return _?rotate([_[0],_[1],_.length>2?_[2]+90:90]):(_=rotate(),[_[0],_[1],_[2]-90])};return projection.rotate([0,0])}).raw=d3_geo_transverseMercator;d3.geom={};function d3_geom_pointX(d){return d[0]}function d3_geom_pointY(d){return d[1]}d3.geom.hull=function(vertices){var x=d3_geom_pointX,y=d3_geom_pointY;if(arguments.length)return hull(vertices);function hull(data){if(data.length<3)return[];var fx=d3_functor(x),fy=d3_functor(y),i,n=data.length,points=[],flippedPoints=[];for(i=0;i<n;i++){points.push([+fx.call(this,data[i],i),+fy.call(this,data[i],i),i])}points.sort(d3_geom_hullOrder);for(i=0;i<n;i++)flippedPoints.push([points[i][0],-points[i][1]]);var upper=d3_geom_hullUpper(points),lower=d3_geom_hullUpper(flippedPoints);var skipLeft=lower[0]===upper[0],skipRight=lower[lower.length-1]===upper[upper.length-1],polygon=[];for(i=upper.length-1;i>=0;--i)polygon.push(data[points[upper[i]][2]]);for(i=+skipLeft;i<lower.length-skipRight;++i)polygon.push(data[points[lower[i]][2]]);return polygon}hull.x=function(_){return arguments.length?(x=_,hull):x};hull.y=function(_){return arguments.length?(y=_,hull):y};return hull};function d3_geom_hullUpper(points){var n=points.length,hull=[0,1],hs=2;for(var i=2;i<n;i++){while(hs>1&&d3_cross2d(points[hull[hs-2]],points[hull[hs-1]],points[i])<=0)--hs;hull[hs++]=i}return hull.slice(0,hs)}function d3_geom_hullOrder(a,b){return a[0]-b[0]||a[1]-b[1]}d3.geom.polygon=function(coordinates){d3_subclass(coordinates,d3_geom_polygonPrototype);return coordinates};var d3_geom_polygonPrototype=d3.geom.polygon.prototype=[];d3_geom_polygonPrototype.area=function(){var i=-1,n=this.length,a,b=this[n-1],area=0;while(++i<n){a=b;b=this[i];area+=a[1]*b[0]-a[0]*b[1]}return area*.5};d3_geom_polygonPrototype.centroid=function(k){var i=-1,n=this.length,x=0,y=0,a,b=this[n-1],c;if(!arguments.length)k=-1/(6*this.area());while(++i<n){a=b;b=this[i];c=a[0]*b[1]-b[0]*a[1];x+=(a[0]+b[0])*c;y+=(a[1]+b[1])*c}return[x*k,y*k]};d3_geom_polygonPrototype.clip=function(subject){var input,closed=d3_geom_polygonClosed(subject),i=-1,n=this.length-d3_geom_polygonClosed(this),j,m,a=this[n-1],b,c,d;while(++i<n){input=subject.slice();subject.length=0;b=this[i];c=input[(m=input.length-closed)-1];j=-1;while(++j<m){d=input[j];if(d3_geom_polygonInside(d,a,b)){if(!d3_geom_polygonInside(c,a,b)){subject.push(d3_geom_polygonIntersect(c,d,a,b))}subject.push(d)}else if(d3_geom_polygonInside(c,a,b)){subject.push(d3_geom_polygonIntersect(c,d,a,b))}c=d}if(closed)subject.push(subject[0]);a=b}return subject};function d3_geom_polygonInside(p,a,b){return(b[0]-a[0])*(p[1]-a[1])<(b[1]-a[1])*(p[0]-a[0])}function d3_geom_polygonIntersect(c,d,a,b){var x1=c[0],x3=a[0],x21=d[0]-x1,x43=b[0]-x3,y1=c[1],y3=a[1],y21=d[1]-y1,y43=b[1]-y3,ua=(x43*(y1-y3)-y43*(x1-x3))/(y43*x21-x43*y21);return[x1+ua*x21,y1+ua*y21]}function d3_geom_polygonClosed(coordinates){var a=coordinates[0],b=coordinates[coordinates.length-1];return!(a[0]-b[0]||a[1]-b[1])}var d3_geom_voronoiEdges,d3_geom_voronoiCells,d3_geom_voronoiBeaches,d3_geom_voronoiBeachPool=[],d3_geom_voronoiFirstCircle,d3_geom_voronoiCircles,d3_geom_voronoiCirclePool=[];function d3_geom_voronoiBeach(){d3_geom_voronoiRedBlackNode(this);this.edge=this.site=this.circle=null}function d3_geom_voronoiCreateBeach(site){var beach=d3_geom_voronoiBeachPool.pop()||new d3_geom_voronoiBeach;beach.site=site;return beach}function d3_geom_voronoiDetachBeach(beach){d3_geom_voronoiDetachCircle(beach);d3_geom_voronoiBeaches.remove(beach);d3_geom_voronoiBeachPool.push(beach);d3_geom_voronoiRedBlackNode(beach)}function d3_geom_voronoiRemoveBeach(beach){var circle=beach.circle,x=circle.x,y=circle.cy,vertex={x:x,y:y},previous=beach.P,next=beach.N,disappearing=[beach];d3_geom_voronoiDetachBeach(beach);var lArc=previous;while(lArc.circle&&abs(x-lArc.circle.x)<ε&&abs(y-lArc.circle.cy)<ε){previous=lArc.P;disappearing.unshift(lArc);d3_geom_voronoiDetachBeach(lArc);lArc=previous}disappearing.unshift(lArc);d3_geom_voronoiDetachCircle(lArc);var rArc=next;while(rArc.circle&&abs(x-rArc.circle.x)<ε&&abs(y-rArc.circle.cy)<ε){next=rArc.N;disappearing.push(rArc);d3_geom_voronoiDetachBeach(rArc);rArc=next}disappearing.push(rArc);d3_geom_voronoiDetachCircle(rArc);var nArcs=disappearing.length,iArc;for(iArc=1;iArc<nArcs;++iArc){rArc=disappearing[iArc];lArc=disappearing[iArc-1];d3_geom_voronoiSetEdgeEnd(rArc.edge,lArc.site,rArc.site,vertex)}lArc=disappearing[0];rArc=disappearing[nArcs-1];rArc.edge=d3_geom_voronoiCreateEdge(lArc.site,rArc.site,null,vertex);d3_geom_voronoiAttachCircle(lArc);d3_geom_voronoiAttachCircle(rArc)}function d3_geom_voronoiAddBeach(site){var x=site.x,directrix=site.y,lArc,rArc,dxl,dxr,node=d3_geom_voronoiBeaches._;while(node){dxl=d3_geom_voronoiLeftBreakPoint(node,directrix)-x;if(dxl>ε)node=node.L;else{dxr=x-d3_geom_voronoiRightBreakPoint(node,directrix);if(dxr>ε){if(!node.R){lArc=node;break}node=node.R}else{if(dxl>-ε){lArc=node.P;rArc=node}else if(dxr>-ε){lArc=node;rArc=node.N}else{lArc=rArc=node}break}}}var newArc=d3_geom_voronoiCreateBeach(site);d3_geom_voronoiBeaches.insert(lArc,newArc);if(!lArc&&!rArc)return;if(lArc===rArc){d3_geom_voronoiDetachCircle(lArc);rArc=d3_geom_voronoiCreateBeach(lArc.site);d3_geom_voronoiBeaches.insert(newArc,rArc);newArc.edge=rArc.edge=d3_geom_voronoiCreateEdge(lArc.site,newArc.site);d3_geom_voronoiAttachCircle(lArc);d3_geom_voronoiAttachCircle(rArc);return}if(!rArc){newArc.edge=d3_geom_voronoiCreateEdge(lArc.site,newArc.site);return}d3_geom_voronoiDetachCircle(lArc);d3_geom_voronoiDetachCircle(rArc);var lSite=lArc.site,ax=lSite.x,ay=lSite.y,bx=site.x-ax,by=site.y-ay,rSite=rArc.site,cx=rSite.x-ax,cy=rSite.y-ay,d=2*(bx*cy-by*cx),hb=bx*bx+by*by,hc=cx*cx+cy*cy,vertex={x:(cy*hb-by*hc)/d+ax,y:(bx*hc-cx*hb)/d+ay};d3_geom_voronoiSetEdgeEnd(rArc.edge,lSite,rSite,vertex);newArc.edge=d3_geom_voronoiCreateEdge(lSite,site,null,vertex);rArc.edge=d3_geom_voronoiCreateEdge(site,rSite,null,vertex);d3_geom_voronoiAttachCircle(lArc);d3_geom_voronoiAttachCircle(rArc)}function d3_geom_voronoiLeftBreakPoint(arc,directrix){var site=arc.site,rfocx=site.x,rfocy=site.y,pby2=rfocy-directrix;if(!pby2)return rfocx;var lArc=arc.P;if(!lArc)return-Infinity;site=lArc.site;var lfocx=site.x,lfocy=site.y,plby2=lfocy-directrix;if(!plby2)return lfocx;var hl=lfocx-rfocx,aby2=1/pby2-1/plby2,b=hl/plby2;if(aby2)return(-b+Math.sqrt(b*b-2*aby2*(hl*hl/(-2*plby2)-lfocy+plby2/2+rfocy-pby2/2)))/aby2+rfocx;return(rfocx+lfocx)/2}function d3_geom_voronoiRightBreakPoint(arc,directrix){var rArc=arc.N;if(rArc)return d3_geom_voronoiLeftBreakPoint(rArc,directrix);var site=arc.site;return site.y===directrix?site.x:Infinity}function d3_geom_voronoiCell(site){this.site=site;this.edges=[]}d3_geom_voronoiCell.prototype.prepare=function(){var halfEdges=this.edges,iHalfEdge=halfEdges.length,edge;while(iHalfEdge--){edge=halfEdges[iHalfEdge].edge;if(!edge.b||!edge.a)halfEdges.splice(iHalfEdge,1)}halfEdges.sort(d3_geom_voronoiHalfEdgeOrder);return halfEdges.length};function d3_geom_voronoiCloseCells(extent){var x0=extent[0][0],x1=extent[1][0],y0=extent[0][1],y1=extent[1][1],x2,y2,x3,y3,cells=d3_geom_voronoiCells,iCell=cells.length,cell,iHalfEdge,halfEdges,nHalfEdges,start,end;while(iCell--){cell=cells[iCell];if(!cell||!cell.prepare())continue;halfEdges=cell.edges;nHalfEdges=halfEdges.length;iHalfEdge=0;while(iHalfEdge<nHalfEdges){end=halfEdges[iHalfEdge].end(),x3=end.x,y3=end.y;start=halfEdges[++iHalfEdge%nHalfEdges].start(),x2=start.x,y2=start.y;if(abs(x3-x2)>ε||abs(y3-y2)>ε){halfEdges.splice(iHalfEdge,0,new d3_geom_voronoiHalfEdge(d3_geom_voronoiCreateBorderEdge(cell.site,end,abs(x3-x0)<ε&&y1-y3>ε?{x:x0,y:abs(x2-x0)<ε?y2:y1}:abs(y3-y1)<ε&&x1-x3>ε?{x:abs(y2-y1)<ε?x2:x1,y:y1}:abs(x3-x1)<ε&&y3-y0>ε?{x:x1,y:abs(x2-x1)<ε?y2:y0}:abs(y3-y0)<ε&&x3-x0>ε?{x:abs(y2-y0)<ε?x2:x0,y:y0}:null),cell.site,null));++nHalfEdges}}}}function d3_geom_voronoiHalfEdgeOrder(a,b){return b.angle-a.angle}function d3_geom_voronoiCircle(){d3_geom_voronoiRedBlackNode(this);this.x=this.y=this.arc=this.site=this.cy=null}function d3_geom_voronoiAttachCircle(arc){var lArc=arc.P,rArc=arc.N;if(!lArc||!rArc)return;var lSite=lArc.site,cSite=arc.site,rSite=rArc.site;if(lSite===rSite)return;var bx=cSite.x,by=cSite.y,ax=lSite.x-bx,ay=lSite.y-by,cx=rSite.x-bx,cy=rSite.y-by;var d=2*(ax*cy-ay*cx);if(d>=-ε2)return;var ha=ax*ax+ay*ay,hc=cx*cx+cy*cy,x=(cy*ha-ay*hc)/d,y=(ax*hc-cx*ha)/d,cy=y+by;var circle=d3_geom_voronoiCirclePool.pop()||new d3_geom_voronoiCircle;circle.arc=arc;circle.site=cSite;circle.x=x+bx;circle.y=cy+Math.sqrt(x*x+y*y);circle.cy=cy;arc.circle=circle;var before=null,node=d3_geom_voronoiCircles._;while(node){if(circle.y<node.y||circle.y===node.y&&circle.x<=node.x){if(node.L)node=node.L;else{before=node.P;break}}else{if(node.R)node=node.R;else{before=node;break}}}d3_geom_voronoiCircles.insert(before,circle);if(!before)d3_geom_voronoiFirstCircle=circle}function d3_geom_voronoiDetachCircle(arc){var circle=arc.circle;if(circle){if(!circle.P)d3_geom_voronoiFirstCircle=circle.N;d3_geom_voronoiCircles.remove(circle);d3_geom_voronoiCirclePool.push(circle);d3_geom_voronoiRedBlackNode(circle);arc.circle=null}}function d3_geom_voronoiClipEdges(extent){var edges=d3_geom_voronoiEdges,clip=d3_geom_clipLine(extent[0][0],extent[0][1],extent[1][0],extent[1][1]),i=edges.length,e;while(i--){e=edges[i];if(!d3_geom_voronoiConnectEdge(e,extent)||!clip(e)||abs(e.a.x-e.b.x)<ε&&abs(e.a.y-e.b.y)<ε){e.a=e.b=null;edges.splice(i,1)}}}function d3_geom_voronoiConnectEdge(edge,extent){var vb=edge.b;if(vb)return true;var va=edge.a,x0=extent[0][0],x1=extent[1][0],y0=extent[0][1],y1=extent[1][1],lSite=edge.l,rSite=edge.r,lx=lSite.x,ly=lSite.y,rx=rSite.x,ry=rSite.y,fx=(lx+rx)/2,fy=(ly+ry)/2,fm,fb;if(ry===ly){if(fx<x0||fx>=x1)return;if(lx>rx){if(!va)va={x:fx,y:y0};else if(va.y>=y1)return;vb={x:fx,y:y1}}else{if(!va)va={x:fx,y:y1};else if(va.y<y0)return;vb={x:fx,y:y0}}}else{fm=(lx-rx)/(ry-ly);fb=fy-fm*fx;if(fm<-1||fm>1){if(lx>rx){if(!va)va={x:(y0-fb)/fm,y:y0};else if(va.y>=y1)return;vb={x:(y1-fb)/fm,y:y1}}else{if(!va)va={x:(y1-fb)/fm,y:y1};else if(va.y<y0)return;vb={x:(y0-fb)/fm,y:y0}}}else{if(ly<ry){if(!va)va={x:x0,y:fm*x0+fb};else if(va.x>=x1)return;vb={x:x1,y:fm*x1+fb}}else{if(!va)va={x:x1,y:fm*x1+fb};else if(va.x<x0)return;vb={x:x0,y:fm*x0+fb}}}}edge.a=va;edge.b=vb;return true}function d3_geom_voronoiEdge(lSite,rSite){this.l=lSite;this.r=rSite;this.a=this.b=null}function d3_geom_voronoiCreateEdge(lSite,rSite,va,vb){var edge=new d3_geom_voronoiEdge(lSite,rSite);d3_geom_voronoiEdges.push(edge);if(va)d3_geom_voronoiSetEdgeEnd(edge,lSite,rSite,va);if(vb)d3_geom_voronoiSetEdgeEnd(edge,rSite,lSite,vb);d3_geom_voronoiCells[lSite.i].edges.push(new d3_geom_voronoiHalfEdge(edge,lSite,rSite));d3_geom_voronoiCells[rSite.i].edges.push(new d3_geom_voronoiHalfEdge(edge,rSite,lSite));return edge}function d3_geom_voronoiCreateBorderEdge(lSite,va,vb){var edge=new d3_geom_voronoiEdge(lSite,null);edge.a=va;edge.b=vb;d3_geom_voronoiEdges.push(edge);return edge}function d3_geom_voronoiSetEdgeEnd(edge,lSite,rSite,vertex){if(!edge.a&&!edge.b){edge.a=vertex;edge.l=lSite;edge.r=rSite}else if(edge.l===rSite){edge.b=vertex}else{edge.a=vertex}}function d3_geom_voronoiHalfEdge(edge,lSite,rSite){var va=edge.a,vb=edge.b;this.edge=edge;this.site=lSite;this.angle=rSite?Math.atan2(rSite.y-lSite.y,rSite.x-lSite.x):edge.l===lSite?Math.atan2(vb.x-va.x,va.y-vb.y):Math.atan2(va.x-vb.x,vb.y-va.y)}d3_geom_voronoiHalfEdge.prototype={start:function(){return this.edge.l===this.site?this.edge.a:this.edge.b},end:function(){return this.edge.l===this.site?this.edge.b:this.edge.a}};function d3_geom_voronoiRedBlackTree(){this._=null}function d3_geom_voronoiRedBlackNode(node){node.U=node.C=node.L=node.R=node.P=node.N=null}d3_geom_voronoiRedBlackTree.prototype={insert:function(after,node){var parent,grandpa,uncle;if(after){node.P=after;node.N=after.N;if(after.N)after.N.P=node;after.N=node;if(after.R){after=after.R;while(after.L)after=after.L;after.L=node}else{after.R=node}parent=after}else if(this._){after=d3_geom_voronoiRedBlackFirst(this._);node.P=null;node.N=after;after.P=after.L=node;parent=after}else{node.P=node.N=null;this._=node;parent=null}node.L=node.R=null;node.U=parent;node.C=true;after=node;while(parent&&parent.C){grandpa=parent.U;if(parent===grandpa.L){uncle=grandpa.R;if(uncle&&uncle.C){parent.C=uncle.C=false;grandpa.C=true;after=grandpa}else{if(after===parent.R){d3_geom_voronoiRedBlackRotateLeft(this,parent);after=parent;parent=after.U}parent.C=false;grandpa.C=true;d3_geom_voronoiRedBlackRotateRight(this,grandpa)}}else{uncle=grandpa.L;if(uncle&&uncle.C){parent.C=uncle.C=false;grandpa.C=true;after=grandpa}else{if(after===parent.L){d3_geom_voronoiRedBlackRotateRight(this,parent);after=parent;parent=after.U}parent.C=false;grandpa.C=true;d3_geom_voronoiRedBlackRotateLeft(this,grandpa)}}parent=after.U}this._.C=false},remove:function(node){if(node.N)node.N.P=node.P;if(node.P)node.P.N=node.N;node.N=node.P=null;var parent=node.U,sibling,left=node.L,right=node.R,next,red;if(!left)next=right;else if(!right)next=left;else next=d3_geom_voronoiRedBlackFirst(right);if(parent){if(parent.L===node)parent.L=next;else parent.R=next}else{this._=next}if(left&&right){red=next.C;next.C=node.C;next.L=left;left.U=next;if(next!==right){parent=next.U;next.U=node.U;node=next.R;parent.L=node;next.R=right;right.U=next}else{next.U=parent;parent=next;node=next.R}}else{red=node.C;node=next}if(node)node.U=parent;if(red)return;if(node&&node.C){node.C=false;return}do{if(node===this._)break;if(node===parent.L){sibling=parent.R;if(sibling.C){sibling.C=false;parent.C=true;d3_geom_voronoiRedBlackRotateLeft(this,parent);sibling=parent.R}if(sibling.L&&sibling.L.C||sibling.R&&sibling.R.C){if(!sibling.R||!sibling.R.C){sibling.L.C=false;sibling.C=true;d3_geom_voronoiRedBlackRotateRight(this,sibling);sibling=parent.R}sibling.C=parent.C;parent.C=sibling.R.C=false;d3_geom_voronoiRedBlackRotateLeft(this,parent);node=this._;break}}else{sibling=parent.L;if(sibling.C){sibling.C=false;parent.C=true;d3_geom_voronoiRedBlackRotateRight(this,parent);sibling=parent.L}if(sibling.L&&sibling.L.C||sibling.R&&sibling.R.C){if(!sibling.L||!sibling.L.C){sibling.R.C=false;sibling.C=true;d3_geom_voronoiRedBlackRotateLeft(this,sibling);sibling=parent.L}sibling.C=parent.C;parent.C=sibling.L.C=false;d3_geom_voronoiRedBlackRotateRight(this,parent);node=this._;break}}sibling.C=true;node=parent;parent=parent.U}while(!node.C);if(node)node.C=false}};function d3_geom_voronoiRedBlackRotateLeft(tree,node){var p=node,q=node.R,parent=p.U;if(parent){if(parent.L===p)parent.L=q;else parent.R=q}else{tree._=q}q.U=parent;p.U=q;p.R=q.L;if(p.R)p.R.U=p;q.L=p}function d3_geom_voronoiRedBlackRotateRight(tree,node){var p=node,q=node.L,parent=p.U;if(parent){if(parent.L===p)parent.L=q;else parent.R=q}else{tree._=q}q.U=parent;p.U=q;p.L=q.R;if(p.L)p.L.U=p;q.R=p}function d3_geom_voronoiRedBlackFirst(node){while(node.L)node=node.L;return node}function d3_geom_voronoi(sites,bbox){var site=sites.sort(d3_geom_voronoiVertexOrder).pop(),x0,y0,circle;d3_geom_voronoiEdges=[];d3_geom_voronoiCells=new Array(sites.length);d3_geom_voronoiBeaches=new d3_geom_voronoiRedBlackTree;d3_geom_voronoiCircles=new d3_geom_voronoiRedBlackTree;while(true){circle=d3_geom_voronoiFirstCircle;if(site&&(!circle||site.y<circle.y||site.y===circle.y&&site.x<circle.x)){if(site.x!==x0||site.y!==y0){d3_geom_voronoiCells[site.i]=new d3_geom_voronoiCell(site);d3_geom_voronoiAddBeach(site);x0=site.x,y0=site.y}site=sites.pop()}else if(circle){d3_geom_voronoiRemoveBeach(circle.arc)}else{break}}if(bbox)d3_geom_voronoiClipEdges(bbox),d3_geom_voronoiCloseCells(bbox);var diagram={cells:d3_geom_voronoiCells,edges:d3_geom_voronoiEdges};d3_geom_voronoiBeaches=d3_geom_voronoiCircles=d3_geom_voronoiEdges=d3_geom_voronoiCells=null;return diagram}function d3_geom_voronoiVertexOrder(a,b){return b.y-a.y||b.x-a.x}d3.geom.voronoi=function(points){var x=d3_geom_pointX,y=d3_geom_pointY,fx=x,fy=y,clipExtent=d3_geom_voronoiClipExtent;if(points)return voronoi(points);function voronoi(data){var polygons=new Array(data.length),x0=clipExtent[0][0],y0=clipExtent[0][1],x1=clipExtent[1][0],y1=clipExtent[1][1];d3_geom_voronoi(sites(data),clipExtent).cells.forEach(function(cell,i){var edges=cell.edges,site=cell.site,polygon=polygons[i]=edges.length?edges.map(function(e){var s=e.start();return[s.x,s.y]}):site.x>=x0&&site.x<=x1&&site.y>=y0&&site.y<=y1?[[x0,y1],[x1,y1],[x1,y0],[x0,y0]]:[];polygon.point=data[i]});return polygons}function sites(data){return data.map(function(d,i){return{x:Math.round(fx(d,i)/ε)*ε,y:Math.round(fy(d,i)/ε)*ε,i:i}})}voronoi.links=function(data){return d3_geom_voronoi(sites(data)).edges.filter(function(edge){return edge.l&&edge.r}).map(function(edge){return{source:data[edge.l.i],target:data[edge.r.i]}})};voronoi.triangles=function(data){var triangles=[];d3_geom_voronoi(sites(data)).cells.forEach(function(cell,i){var site=cell.site,edges=cell.edges.sort(d3_geom_voronoiHalfEdgeOrder),j=-1,m=edges.length,e0,s0,e1=edges[m-1].edge,s1=e1.l===site?e1.r:e1.l;while(++j<m){e0=e1;s0=s1;e1=edges[j].edge;s1=e1.l===site?e1.r:e1.l;if(i<s0.i&&i<s1.i&&d3_geom_voronoiTriangleArea(site,s0,s1)<0){triangles.push([data[i],data[s0.i],data[s1.i]])}}});return triangles};voronoi.x=function(_){return arguments.length?(fx=d3_functor(x=_),voronoi):x};voronoi.y=function(_){return arguments.length?(fy=d3_functor(y=_),voronoi):y};voronoi.clipExtent=function(_){if(!arguments.length)return clipExtent===d3_geom_voronoiClipExtent?null:clipExtent;clipExtent=_==null?d3_geom_voronoiClipExtent:_;return voronoi};voronoi.size=function(_){if(!arguments.length)return clipExtent===d3_geom_voronoiClipExtent?null:clipExtent&&clipExtent[1];return voronoi.clipExtent(_&&[[0,0],_])};return voronoi};var d3_geom_voronoiClipExtent=[[-1e6,-1e6],[1e6,1e6]];
function d3_geom_voronoiTriangleArea(a,b,c){return(a.x-c.x)*(b.y-a.y)-(a.x-b.x)*(c.y-a.y)}d3.geom.delaunay=function(vertices){return d3.geom.voronoi().triangles(vertices)};d3.geom.quadtree=function(points,x1,y1,x2,y2){var x=d3_geom_pointX,y=d3_geom_pointY,compat;if(compat=arguments.length){x=d3_geom_quadtreeCompatX;y=d3_geom_quadtreeCompatY;if(compat===3){y2=y1;x2=x1;y1=x1=0}return quadtree(points)}function quadtree(data){var d,fx=d3_functor(x),fy=d3_functor(y),xs,ys,i,n,x1_,y1_,x2_,y2_;if(x1!=null){x1_=x1,y1_=y1,x2_=x2,y2_=y2}else{x2_=y2_=-(x1_=y1_=Infinity);xs=[],ys=[];n=data.length;if(compat)for(i=0;i<n;++i){d=data[i];if(d.x<x1_)x1_=d.x;if(d.y<y1_)y1_=d.y;if(d.x>x2_)x2_=d.x;if(d.y>y2_)y2_=d.y;xs.push(d.x);ys.push(d.y)}else for(i=0;i<n;++i){var x_=+fx(d=data[i],i),y_=+fy(d,i);if(x_<x1_)x1_=x_;if(y_<y1_)y1_=y_;if(x_>x2_)x2_=x_;if(y_>y2_)y2_=y_;xs.push(x_);ys.push(y_)}}var dx=x2_-x1_,dy=y2_-y1_;if(dx>dy)y2_=y1_+dx;else x2_=x1_+dy;function insert(n,d,x,y,x1,y1,x2,y2){if(isNaN(x)||isNaN(y))return;if(n.leaf){var nx=n.x,ny=n.y;if(nx!=null){if(abs(nx-x)+abs(ny-y)<.01){insertChild(n,d,x,y,x1,y1,x2,y2)}else{var nPoint=n.point;n.x=n.y=n.point=null;insertChild(n,nPoint,nx,ny,x1,y1,x2,y2);insertChild(n,d,x,y,x1,y1,x2,y2)}}else{n.x=x,n.y=y,n.point=d}}else{insertChild(n,d,x,y,x1,y1,x2,y2)}}function insertChild(n,d,x,y,x1,y1,x2,y2){var sx=(x1+x2)*.5,sy=(y1+y2)*.5,right=x>=sx,bottom=y>=sy,i=(bottom<<1)+right;n.leaf=false;n=n.nodes[i]||(n.nodes[i]=d3_geom_quadtreeNode());if(right)x1=sx;else x2=sx;if(bottom)y1=sy;else y2=sy;insert(n,d,x,y,x1,y1,x2,y2)}var root=d3_geom_quadtreeNode();root.add=function(d){insert(root,d,+fx(d,++i),+fy(d,i),x1_,y1_,x2_,y2_)};root.visit=function(f){d3_geom_quadtreeVisit(f,root,x1_,y1_,x2_,y2_)};i=-1;if(x1==null){while(++i<n){insert(root,data[i],xs[i],ys[i],x1_,y1_,x2_,y2_)}--i}else data.forEach(root.add);xs=ys=data=d=null;return root}quadtree.x=function(_){return arguments.length?(x=_,quadtree):x};quadtree.y=function(_){return arguments.length?(y=_,quadtree):y};quadtree.extent=function(_){if(!arguments.length)return x1==null?null:[[x1,y1],[x2,y2]];if(_==null)x1=y1=x2=y2=null;else x1=+_[0][0],y1=+_[0][1],x2=+_[1][0],y2=+_[1][1];return quadtree};quadtree.size=function(_){if(!arguments.length)return x1==null?null:[x2-x1,y2-y1];if(_==null)x1=y1=x2=y2=null;else x1=y1=0,x2=+_[0],y2=+_[1];return quadtree};return quadtree};function d3_geom_quadtreeCompatX(d){return d.x}function d3_geom_quadtreeCompatY(d){return d.y}function d3_geom_quadtreeNode(){return{leaf:true,nodes:[],point:null,x:null,y:null}}function d3_geom_quadtreeVisit(f,node,x1,y1,x2,y2){if(!f(node,x1,y1,x2,y2)){var sx=(x1+x2)*.5,sy=(y1+y2)*.5,children=node.nodes;if(children[0])d3_geom_quadtreeVisit(f,children[0],x1,y1,sx,sy);if(children[1])d3_geom_quadtreeVisit(f,children[1],sx,y1,x2,sy);if(children[2])d3_geom_quadtreeVisit(f,children[2],x1,sy,sx,y2);if(children[3])d3_geom_quadtreeVisit(f,children[3],sx,sy,x2,y2)}}d3.interpolateRgb=d3_interpolateRgb;function d3_interpolateRgb(a,b){a=d3.rgb(a);b=d3.rgb(b);var ar=a.r,ag=a.g,ab=a.b,br=b.r-ar,bg=b.g-ag,bb=b.b-ab;return function(t){return"#"+d3_rgb_hex(Math.round(ar+br*t))+d3_rgb_hex(Math.round(ag+bg*t))+d3_rgb_hex(Math.round(ab+bb*t))}}d3.interpolateObject=d3_interpolateObject;function d3_interpolateObject(a,b){var i={},c={},k;for(k in a){if(k in b){i[k]=d3_interpolate(a[k],b[k])}else{c[k]=a[k]}}for(k in b){if(!(k in a)){c[k]=b[k]}}return function(t){for(k in i)c[k]=i[k](t);return c}}d3.interpolateNumber=d3_interpolateNumber;function d3_interpolateNumber(a,b){b-=a=+a;return function(t){return a+b*t}}d3.interpolateString=d3_interpolateString;function d3_interpolateString(a,b){var bi=d3_interpolate_numberA.lastIndex=d3_interpolate_numberB.lastIndex=0,am,bm,bs,i=-1,s=[],q=[];a=a+"",b=b+"";while((am=d3_interpolate_numberA.exec(a))&&(bm=d3_interpolate_numberB.exec(b))){if((bs=bm.index)>bi){bs=b.substring(bi,bs);if(s[i])s[i]+=bs;else s[++i]=bs}if((am=am[0])===(bm=bm[0])){if(s[i])s[i]+=bm;else s[++i]=bm}else{s[++i]=null;q.push({i:i,x:d3_interpolateNumber(am,bm)})}bi=d3_interpolate_numberB.lastIndex}if(bi<b.length){bs=b.substring(bi);if(s[i])s[i]+=bs;else s[++i]=bs}return s.length<2?q[0]?(b=q[0].x,function(t){return b(t)+""}):function(){return b}:(b=q.length,function(t){for(var i=0,o;i<b;++i)s[(o=q[i]).i]=o.x(t);return s.join("")})}var d3_interpolate_numberA=/[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g,d3_interpolate_numberB=new RegExp(d3_interpolate_numberA.source,"g");d3.interpolate=d3_interpolate;function d3_interpolate(a,b){var i=d3.interpolators.length,f;while(--i>=0&&!(f=d3.interpolators[i](a,b)));return f}d3.interpolators=[function(a,b){var t=typeof b;return(t==="string"?d3_rgb_names.has(b)||/^(#|rgb\(|hsl\()/.test(b)?d3_interpolateRgb:d3_interpolateString:b instanceof d3_Color?d3_interpolateRgb:Array.isArray(b)?d3_interpolateArray:t==="object"&&isNaN(b)?d3_interpolateObject:d3_interpolateNumber)(a,b)}];d3.interpolateArray=d3_interpolateArray;function d3_interpolateArray(a,b){var x=[],c=[],na=a.length,nb=b.length,n0=Math.min(a.length,b.length),i;for(i=0;i<n0;++i)x.push(d3_interpolate(a[i],b[i]));for(;i<na;++i)c[i]=a[i];for(;i<nb;++i)c[i]=b[i];return function(t){for(i=0;i<n0;++i)c[i]=x[i](t);return c}}var d3_ease_default=function(){return d3_identity};var d3_ease=d3.map({linear:d3_ease_default,poly:d3_ease_poly,quad:function(){return d3_ease_quad},cubic:function(){return d3_ease_cubic},sin:function(){return d3_ease_sin},exp:function(){return d3_ease_exp},circle:function(){return d3_ease_circle},elastic:d3_ease_elastic,back:d3_ease_back,bounce:function(){return d3_ease_bounce}});var d3_ease_mode=d3.map({"in":d3_identity,out:d3_ease_reverse,"in-out":d3_ease_reflect,"out-in":function(f){return d3_ease_reflect(d3_ease_reverse(f))}});d3.ease=function(name){var i=name.indexOf("-"),t=i>=0?name.substring(0,i):name,m=i>=0?name.substring(i+1):"in";t=d3_ease.get(t)||d3_ease_default;m=d3_ease_mode.get(m)||d3_identity;return d3_ease_clamp(m(t.apply(null,d3_arraySlice.call(arguments,1))))};function d3_ease_clamp(f){return function(t){return t<=0?0:t>=1?1:f(t)}}function d3_ease_reverse(f){return function(t){return 1-f(1-t)}}function d3_ease_reflect(f){return function(t){return.5*(t<.5?f(2*t):2-f(2-2*t))}}function d3_ease_quad(t){return t*t}function d3_ease_cubic(t){return t*t*t}function d3_ease_cubicInOut(t){if(t<=0)return 0;if(t>=1)return 1;var t2=t*t,t3=t2*t;return 4*(t<.5?t3:3*(t-t2)+t3-.75)}function d3_ease_poly(e){return function(t){return Math.pow(t,e)}}function d3_ease_sin(t){return 1-Math.cos(t*halfπ)}function d3_ease_exp(t){return Math.pow(2,10*(t-1))}function d3_ease_circle(t){return 1-Math.sqrt(1-t*t)}function d3_ease_elastic(a,p){var s;if(arguments.length<2)p=.45;if(arguments.length)s=p/τ*Math.asin(1/a);else a=1,s=p/4;return function(t){return 1+a*Math.pow(2,-10*t)*Math.sin((t-s)*τ/p)}}function d3_ease_back(s){if(!s)s=1.70158;return function(t){return t*t*((s+1)*t-s)}}function d3_ease_bounce(t){return t<1/2.75?7.5625*t*t:t<2/2.75?7.5625*(t-=1.5/2.75)*t+.75:t<2.5/2.75?7.5625*(t-=2.25/2.75)*t+.9375:7.5625*(t-=2.625/2.75)*t+.984375}d3.interpolateHcl=d3_interpolateHcl;function d3_interpolateHcl(a,b){a=d3.hcl(a);b=d3.hcl(b);var ah=a.h,ac=a.c,al=a.l,bh=b.h-ah,bc=b.c-ac,bl=b.l-al;if(isNaN(bc))bc=0,ac=isNaN(ac)?b.c:ac;if(isNaN(bh))bh=0,ah=isNaN(ah)?b.h:ah;else if(bh>180)bh-=360;else if(bh<-180)bh+=360;return function(t){return d3_hcl_lab(ah+bh*t,ac+bc*t,al+bl*t)+""}}d3.interpolateHsl=d3_interpolateHsl;function d3_interpolateHsl(a,b){a=d3.hsl(a);b=d3.hsl(b);var ah=a.h,as=a.s,al=a.l,bh=b.h-ah,bs=b.s-as,bl=b.l-al;if(isNaN(bs))bs=0,as=isNaN(as)?b.s:as;if(isNaN(bh))bh=0,ah=isNaN(ah)?b.h:ah;else if(bh>180)bh-=360;else if(bh<-180)bh+=360;return function(t){return d3_hsl_rgb(ah+bh*t,as+bs*t,al+bl*t)+""}}d3.interpolateLab=d3_interpolateLab;function d3_interpolateLab(a,b){a=d3.lab(a);b=d3.lab(b);var al=a.l,aa=a.a,ab=a.b,bl=b.l-al,ba=b.a-aa,bb=b.b-ab;return function(t){return d3_lab_rgb(al+bl*t,aa+ba*t,ab+bb*t)+""}}d3.interpolateRound=d3_interpolateRound;function d3_interpolateRound(a,b){b-=a;return function(t){return Math.round(a+b*t)}}d3.transform=function(string){var g=d3_document.createElementNS(d3.ns.prefix.svg,"g");return(d3.transform=function(string){if(string!=null){g.setAttribute("transform",string);var t=g.transform.baseVal.consolidate()}return new d3_transform(t?t.matrix:d3_transformIdentity)})(string)};function d3_transform(m){var r0=[m.a,m.b],r1=[m.c,m.d],kx=d3_transformNormalize(r0),kz=d3_transformDot(r0,r1),ky=d3_transformNormalize(d3_transformCombine(r1,r0,-kz))||0;if(r0[0]*r1[1]<r1[0]*r0[1]){r0[0]*=-1;r0[1]*=-1;kx*=-1;kz*=-1}this.rotate=(kx?Math.atan2(r0[1],r0[0]):Math.atan2(-r1[0],r1[1]))*d3_degrees;this.translate=[m.e,m.f];this.scale=[kx,ky];this.skew=ky?Math.atan2(kz,ky)*d3_degrees:0}d3_transform.prototype.toString=function(){return"translate("+this.translate+")rotate("+this.rotate+")skewX("+this.skew+")scale("+this.scale+")"};function d3_transformDot(a,b){return a[0]*b[0]+a[1]*b[1]}function d3_transformNormalize(a){var k=Math.sqrt(d3_transformDot(a,a));if(k){a[0]/=k;a[1]/=k}return k}function d3_transformCombine(a,b,k){a[0]+=k*b[0];a[1]+=k*b[1];return a}var d3_transformIdentity={a:1,b:0,c:0,d:1,e:0,f:0};d3.interpolateTransform=d3_interpolateTransform;function d3_interpolateTransform(a,b){var s=[],q=[],n,A=d3.transform(a),B=d3.transform(b),ta=A.translate,tb=B.translate,ra=A.rotate,rb=B.rotate,wa=A.skew,wb=B.skew,ka=A.scale,kb=B.scale;if(ta[0]!=tb[0]||ta[1]!=tb[1]){s.push("translate(",null,",",null,")");q.push({i:1,x:d3_interpolateNumber(ta[0],tb[0])},{i:3,x:d3_interpolateNumber(ta[1],tb[1])})}else if(tb[0]||tb[1]){s.push("translate("+tb+")")}else{s.push("")}if(ra!=rb){if(ra-rb>180)rb+=360;else if(rb-ra>180)ra+=360;q.push({i:s.push(s.pop()+"rotate(",null,")")-2,x:d3_interpolateNumber(ra,rb)})}else if(rb){s.push(s.pop()+"rotate("+rb+")")}if(wa!=wb){q.push({i:s.push(s.pop()+"skewX(",null,")")-2,x:d3_interpolateNumber(wa,wb)})}else if(wb){s.push(s.pop()+"skewX("+wb+")")}if(ka[0]!=kb[0]||ka[1]!=kb[1]){n=s.push(s.pop()+"scale(",null,",",null,")");q.push({i:n-4,x:d3_interpolateNumber(ka[0],kb[0])},{i:n-2,x:d3_interpolateNumber(ka[1],kb[1])})}else if(kb[0]!=1||kb[1]!=1){s.push(s.pop()+"scale("+kb+")")}n=q.length;return function(t){var i=-1,o;while(++i<n)s[(o=q[i]).i]=o.x(t);return s.join("")}}function d3_uninterpolateNumber(a,b){b=b-(a=+a)?1/(b-a):0;return function(x){return(x-a)*b}}function d3_uninterpolateClamp(a,b){b=b-(a=+a)?1/(b-a):0;return function(x){return Math.max(0,Math.min(1,(x-a)*b))}}d3.layout={};d3.layout.bundle=function(){return function(links){var paths=[],i=-1,n=links.length;while(++i<n)paths.push(d3_layout_bundlePath(links[i]));return paths}};function d3_layout_bundlePath(link){var start=link.source,end=link.target,lca=d3_layout_bundleLeastCommonAncestor(start,end),points=[start];while(start!==lca){start=start.parent;points.push(start)}var k=points.length;while(end!==lca){points.splice(k,0,end);end=end.parent}return points}function d3_layout_bundleAncestors(node){var ancestors=[],parent=node.parent;while(parent!=null){ancestors.push(node);node=parent;parent=parent.parent}ancestors.push(node);return ancestors}function d3_layout_bundleLeastCommonAncestor(a,b){if(a===b)return a;var aNodes=d3_layout_bundleAncestors(a),bNodes=d3_layout_bundleAncestors(b),aNode=aNodes.pop(),bNode=bNodes.pop(),sharedNode=null;while(aNode===bNode){sharedNode=aNode;aNode=aNodes.pop();bNode=bNodes.pop()}return sharedNode}d3.layout.chord=function(){var chord={},chords,groups,matrix,n,padding=0,sortGroups,sortSubgroups,sortChords;function relayout(){var subgroups={},groupSums=[],groupIndex=d3.range(n),subgroupIndex=[],k,x,x0,i,j;chords=[];groups=[];k=0,i=-1;while(++i<n){x=0,j=-1;while(++j<n){x+=matrix[i][j]}groupSums.push(x);subgroupIndex.push(d3.range(n));k+=x}if(sortGroups){groupIndex.sort(function(a,b){return sortGroups(groupSums[a],groupSums[b])})}if(sortSubgroups){subgroupIndex.forEach(function(d,i){d.sort(function(a,b){return sortSubgroups(matrix[i][a],matrix[i][b])})})}k=(τ-padding*n)/k;x=0,i=-1;while(++i<n){x0=x,j=-1;while(++j<n){var di=groupIndex[i],dj=subgroupIndex[di][j],v=matrix[di][dj],a0=x,a1=x+=v*k;subgroups[di+"-"+dj]={index:di,subindex:dj,startAngle:a0,endAngle:a1,value:v}}groups[di]={index:di,startAngle:x0,endAngle:x,value:(x-x0)/k};x+=padding}i=-1;while(++i<n){j=i-1;while(++j<n){var source=subgroups[i+"-"+j],target=subgroups[j+"-"+i];if(source.value||target.value){chords.push(source.value<target.value?{source:target,target:source}:{source:source,target:target})}}}if(sortChords)resort()}function resort(){chords.sort(function(a,b){return sortChords((a.source.value+a.target.value)/2,(b.source.value+b.target.value)/2)})}chord.matrix=function(x){if(!arguments.length)return matrix;n=(matrix=x)&&matrix.length;chords=groups=null;return chord};chord.padding=function(x){if(!arguments.length)return padding;padding=x;chords=groups=null;return chord};chord.sortGroups=function(x){if(!arguments.length)return sortGroups;sortGroups=x;chords=groups=null;return chord};chord.sortSubgroups=function(x){if(!arguments.length)return sortSubgroups;sortSubgroups=x;chords=null;return chord};chord.sortChords=function(x){if(!arguments.length)return sortChords;sortChords=x;if(chords)resort();return chord};chord.chords=function(){if(!chords)relayout();return chords};chord.groups=function(){if(!groups)relayout();return groups};return chord};d3.layout.force=function(){var force={},event=d3.dispatch("start","tick","end"),size=[1,1],drag,alpha,friction=.9,linkDistance=d3_layout_forceLinkDistance,linkStrength=d3_layout_forceLinkStrength,charge=-30,chargeDistance2=d3_layout_forceChargeDistance2,gravity=.1,theta2=.64,nodes=[],links=[],distances,strengths,charges;function repulse(node){return function(quad,x1,_,x2){if(quad.point!==node){var dx=quad.cx-node.x,dy=quad.cy-node.y,dw=x2-x1,dn=dx*dx+dy*dy;if(dw*dw/theta2<dn){if(dn<chargeDistance2){var k=quad.charge/dn;node.px-=dx*k;node.py-=dy*k}return true}if(quad.point&&dn&&dn<chargeDistance2){var k=quad.pointCharge/dn;node.px-=dx*k;node.py-=dy*k}}return!quad.charge}}force.tick=function(){if((alpha*=.99)<.005){event.end({type:"end",alpha:alpha=0});return true}var n=nodes.length,m=links.length,q,i,o,s,t,l,k,x,y;for(i=0;i<m;++i){o=links[i];s=o.source;t=o.target;x=t.x-s.x;y=t.y-s.y;if(l=x*x+y*y){l=alpha*strengths[i]*((l=Math.sqrt(l))-distances[i])/l;x*=l;y*=l;t.x-=x*(k=s.weight/(t.weight+s.weight));t.y-=y*k;s.x+=x*(k=1-k);s.y+=y*k}}if(k=alpha*gravity){x=size[0]/2;y=size[1]/2;i=-1;if(k)while(++i<n){o=nodes[i];o.x+=(x-o.x)*k;o.y+=(y-o.y)*k}}if(charge){d3_layout_forceAccumulate(q=d3.geom.quadtree(nodes),alpha,charges);i=-1;while(++i<n){if(!(o=nodes[i]).fixed){q.visit(repulse(o))}}}i=-1;while(++i<n){o=nodes[i];if(o.fixed){o.x=o.px;o.y=o.py}else{o.x-=(o.px-(o.px=o.x))*friction;o.y-=(o.py-(o.py=o.y))*friction}}event.tick({type:"tick",alpha:alpha})};force.nodes=function(x){if(!arguments.length)return nodes;nodes=x;return force};force.links=function(x){if(!arguments.length)return links;links=x;return force};force.size=function(x){if(!arguments.length)return size;size=x;return force};force.linkDistance=function(x){if(!arguments.length)return linkDistance;linkDistance=typeof x==="function"?x:+x;return force};force.distance=force.linkDistance;force.linkStrength=function(x){if(!arguments.length)return linkStrength;linkStrength=typeof x==="function"?x:+x;return force};force.friction=function(x){if(!arguments.length)return friction;friction=+x;return force};force.charge=function(x){if(!arguments.length)return charge;charge=typeof x==="function"?x:+x;return force};force.chargeDistance=function(x){if(!arguments.length)return Math.sqrt(chargeDistance2);chargeDistance2=x*x;return force};force.gravity=function(x){if(!arguments.length)return gravity;gravity=+x;return force};force.theta=function(x){if(!arguments.length)return Math.sqrt(theta2);theta2=x*x;return force};force.alpha=function(x){if(!arguments.length)return alpha;x=+x;if(alpha){if(x>0)alpha=x;else alpha=0}else if(x>0){event.start({type:"start",alpha:alpha=x});d3.timer(force.tick)}return force};force.start=function(){var i,n=nodes.length,m=links.length,w=size[0],h=size[1],neighbors,o;for(i=0;i<n;++i){(o=nodes[i]).index=i;o.weight=0}for(i=0;i<m;++i){o=links[i];if(typeof o.source=="number")o.source=nodes[o.source];if(typeof o.target=="number")o.target=nodes[o.target];++o.source.weight;++o.target.weight}for(i=0;i<n;++i){o=nodes[i];if(isNaN(o.x))o.x=position("x",w);if(isNaN(o.y))o.y=position("y",h);if(isNaN(o.px))o.px=o.x;if(isNaN(o.py))o.py=o.y}distances=[];if(typeof linkDistance==="function")for(i=0;i<m;++i)distances[i]=+linkDistance.call(this,links[i],i);else for(i=0;i<m;++i)distances[i]=linkDistance;strengths=[];if(typeof linkStrength==="function")for(i=0;i<m;++i)strengths[i]=+linkStrength.call(this,links[i],i);else for(i=0;i<m;++i)strengths[i]=linkStrength;charges=[];if(typeof charge==="function")for(i=0;i<n;++i)charges[i]=+charge.call(this,nodes[i],i);else for(i=0;i<n;++i)charges[i]=charge;function position(dimension,size){if(!neighbors){neighbors=new Array(n);for(j=0;j<n;++j){neighbors[j]=[]}for(j=0;j<m;++j){var o=links[j];neighbors[o.source.index].push(o.target);neighbors[o.target.index].push(o.source)}}var candidates=neighbors[i],j=-1,m=candidates.length,x;while(++j<m)if(!isNaN(x=candidates[j][dimension]))return x;return Math.random()*size}return force.resume()};force.resume=function(){return force.alpha(.1)};force.stop=function(){return force.alpha(0)};force.drag=function(){if(!drag)drag=d3.behavior.drag().origin(d3_identity).on("dragstart.force",d3_layout_forceDragstart).on("drag.force",dragmove).on("dragend.force",d3_layout_forceDragend);if(!arguments.length)return drag;this.on("mouseover.force",d3_layout_forceMouseover).on("mouseout.force",d3_layout_forceMouseout).call(drag)};function dragmove(d){d.px=d3.event.x,d.py=d3.event.y;force.resume()}return d3.rebind(force,event,"on")};function d3_layout_forceDragstart(d){d.fixed|=2}function d3_layout_forceDragend(d){d.fixed&=~6}function d3_layout_forceMouseover(d){d.fixed|=4;d.px=d.x,d.py=d.y}function d3_layout_forceMouseout(d){d.fixed&=~4}function d3_layout_forceAccumulate(quad,alpha,charges){var cx=0,cy=0;quad.charge=0;if(!quad.leaf){var nodes=quad.nodes,n=nodes.length,i=-1,c;while(++i<n){c=nodes[i];if(c==null)continue;d3_layout_forceAccumulate(c,alpha,charges);quad.charge+=c.charge;cx+=c.charge*c.cx;cy+=c.charge*c.cy}}if(quad.point){if(!quad.leaf){quad.point.x+=Math.random()-.5;quad.point.y+=Math.random()-.5}var k=alpha*charges[quad.point.index];quad.charge+=quad.pointCharge=k;cx+=k*quad.point.x;cy+=k*quad.point.y}quad.cx=cx/quad.charge;quad.cy=cy/quad.charge}var d3_layout_forceLinkDistance=20,d3_layout_forceLinkStrength=1,d3_layout_forceChargeDistance2=Infinity;d3.layout.hierarchy=function(){var sort=d3_layout_hierarchySort,children=d3_layout_hierarchyChildren,value=d3_layout_hierarchyValue;function hierarchy(root){var stack=[root],nodes=[],node;root.depth=0;while((node=stack.pop())!=null){nodes.push(node);if((childs=children.call(hierarchy,node,node.depth))&&(n=childs.length)){var n,childs,child;while(--n>=0){stack.push(child=childs[n]);child.parent=node;child.depth=node.depth+1}if(value)node.value=0;node.children=childs}else{if(value)node.value=+value.call(hierarchy,node,node.depth)||0;delete node.children}}d3_layout_hierarchyVisitAfter(root,function(node){var childs,parent;if(sort&&(childs=node.children))childs.sort(sort);if(value&&(parent=node.parent))parent.value+=node.value});return nodes}hierarchy.sort=function(x){if(!arguments.length)return sort;sort=x;return hierarchy};hierarchy.children=function(x){if(!arguments.length)return children;children=x;return hierarchy};hierarchy.value=function(x){if(!arguments.length)return value;value=x;return hierarchy};hierarchy.revalue=function(root){if(value){d3_layout_hierarchyVisitBefore(root,function(node){if(node.children)node.value=0});d3_layout_hierarchyVisitAfter(root,function(node){var parent;if(!node.children)node.value=+value.call(hierarchy,node,node.depth)||0;if(parent=node.parent)parent.value+=node.value})}return root};return hierarchy};function d3_layout_hierarchyRebind(object,hierarchy){d3.rebind(object,hierarchy,"sort","children","value");object.nodes=object;object.links=d3_layout_hierarchyLinks;return object}function d3_layout_hierarchyVisitBefore(node,callback){var nodes=[node];while((node=nodes.pop())!=null){callback(node);if((children=node.children)&&(n=children.length)){var n,children;while(--n>=0)nodes.push(children[n])}}}function d3_layout_hierarchyVisitAfter(node,callback){var nodes=[node],nodes2=[];while((node=nodes.pop())!=null){nodes2.push(node);if((children=node.children)&&(n=children.length)){var i=-1,n,children;while(++i<n)nodes.push(children[i])}}while((node=nodes2.pop())!=null){callback(node)}}function d3_layout_hierarchyChildren(d){return d.children}function d3_layout_hierarchyValue(d){return d.value}function d3_layout_hierarchySort(a,b){return b.value-a.value}function d3_layout_hierarchyLinks(nodes){return d3.merge(nodes.map(function(parent){return(parent.children||[]).map(function(child){return{source:parent,target:child}})}))}d3.layout.partition=function(){var hierarchy=d3.layout.hierarchy(),size=[1,1];function position(node,x,dx,dy){var children=node.children;node.x=x;node.y=node.depth*dy;node.dx=dx;node.dy=dy;if(children&&(n=children.length)){var i=-1,n,c,d;dx=node.value?dx/node.value:0;while(++i<n){position(c=children[i],x,d=c.value*dx,dy);x+=d}}}function depth(node){var children=node.children,d=0;if(children&&(n=children.length)){var i=-1,n;while(++i<n)d=Math.max(d,depth(children[i]))}return 1+d}function partition(d,i){var nodes=hierarchy.call(this,d,i);position(nodes[0],0,size[0],size[1]/depth(nodes[0]));return nodes}partition.size=function(x){if(!arguments.length)return size;size=x;return partition};return d3_layout_hierarchyRebind(partition,hierarchy)};d3.layout.pie=function(){var value=Number,sort=d3_layout_pieSortByValue,startAngle=0,endAngle=τ;function pie(data){var values=data.map(function(d,i){return+value.call(pie,d,i)});var a=+(typeof startAngle==="function"?startAngle.apply(this,arguments):startAngle);var k=((typeof endAngle==="function"?endAngle.apply(this,arguments):endAngle)-a)/d3.sum(values);var index=d3.range(data.length);if(sort!=null)index.sort(sort===d3_layout_pieSortByValue?function(i,j){return values[j]-values[i]}:function(i,j){return sort(data[i],data[j])});var arcs=[];index.forEach(function(i){var d;arcs[i]={data:data[i],value:d=values[i],startAngle:a,endAngle:a+=d*k}});return arcs}pie.value=function(x){if(!arguments.length)return value;value=x;return pie};pie.sort=function(x){if(!arguments.length)return sort;sort=x;return pie};pie.startAngle=function(x){if(!arguments.length)return startAngle;startAngle=x;return pie};pie.endAngle=function(x){if(!arguments.length)return endAngle;endAngle=x;return pie};return pie};var d3_layout_pieSortByValue={};d3.layout.stack=function(){var values=d3_identity,order=d3_layout_stackOrderDefault,offset=d3_layout_stackOffsetZero,out=d3_layout_stackOut,x=d3_layout_stackX,y=d3_layout_stackY;function stack(data,index){var series=data.map(function(d,i){return values.call(stack,d,i)});var points=series.map(function(d){return d.map(function(v,i){return[x.call(stack,v,i),y.call(stack,v,i)]})});var orders=order.call(stack,points,index);series=d3.permute(series,orders);points=d3.permute(points,orders);var offsets=offset.call(stack,points,index);var n=series.length,m=series[0].length,i,j,o;for(j=0;j<m;++j){out.call(stack,series[0][j],o=offsets[j],points[0][j][1]);for(i=1;i<n;++i){out.call(stack,series[i][j],o+=points[i-1][j][1],points[i][j][1])}}return data}stack.values=function(x){if(!arguments.length)return values;values=x;return stack};stack.order=function(x){if(!arguments.length)return order;order=typeof x==="function"?x:d3_layout_stackOrders.get(x)||d3_layout_stackOrderDefault;return stack};stack.offset=function(x){if(!arguments.length)return offset;offset=typeof x==="function"?x:d3_layout_stackOffsets.get(x)||d3_layout_stackOffsetZero;return stack};stack.x=function(z){if(!arguments.length)return x;x=z;return stack};stack.y=function(z){if(!arguments.length)return y;y=z;return stack};stack.out=function(z){if(!arguments.length)return out;out=z;return stack};return stack};function d3_layout_stackX(d){return d.x}function d3_layout_stackY(d){return d.y}function d3_layout_stackOut(d,y0,y){d.y0=y0;d.y=y}var d3_layout_stackOrders=d3.map({"inside-out":function(data){var n=data.length,i,j,max=data.map(d3_layout_stackMaxIndex),sums=data.map(d3_layout_stackReduceSum),index=d3.range(n).sort(function(a,b){return max[a]-max[b]}),top=0,bottom=0,tops=[],bottoms=[];for(i=0;i<n;++i){j=index[i];if(top<bottom){top+=sums[j];tops.push(j)}else{bottom+=sums[j];bottoms.push(j)}}return bottoms.reverse().concat(tops)},reverse:function(data){return d3.range(data.length).reverse()},"default":d3_layout_stackOrderDefault});var d3_layout_stackOffsets=d3.map({silhouette:function(data){var n=data.length,m=data[0].length,sums=[],max=0,i,j,o,y0=[];for(j=0;j<m;++j){for(i=0,o=0;i<n;i++)o+=data[i][j][1];if(o>max)max=o;sums.push(o)}for(j=0;j<m;++j){y0[j]=(max-sums[j])/2}return y0},wiggle:function(data){var n=data.length,x=data[0],m=x.length,i,j,k,s1,s2,s3,dx,o,o0,y0=[];y0[0]=o=o0=0;for(j=1;j<m;++j){for(i=0,s1=0;i<n;++i)s1+=data[i][j][1];for(i=0,s2=0,dx=x[j][0]-x[j-1][0];i<n;++i){for(k=0,s3=(data[i][j][1]-data[i][j-1][1])/(2*dx);k<i;++k){s3+=(data[k][j][1]-data[k][j-1][1])/dx}s2+=s3*data[i][j][1]}y0[j]=o-=s1?s2/s1*dx:0;if(o<o0)o0=o}for(j=0;j<m;++j)y0[j]-=o0;return y0},expand:function(data){var n=data.length,m=data[0].length,k=1/n,i,j,o,y0=[];for(j=0;j<m;++j){for(i=0,o=0;i<n;i++)o+=data[i][j][1];if(o)for(i=0;i<n;i++)data[i][j][1]/=o;else for(i=0;i<n;i++)data[i][j][1]=k}for(j=0;j<m;++j)y0[j]=0;return y0},zero:d3_layout_stackOffsetZero});function d3_layout_stackOrderDefault(data){return d3.range(data.length)}function d3_layout_stackOffsetZero(data){var j=-1,m=data[0].length,y0=[];while(++j<m)y0[j]=0;return y0}function d3_layout_stackMaxIndex(array){var i=1,j=0,v=array[0][1],k,n=array.length;for(;i<n;++i){if((k=array[i][1])>v){j=i;v=k}}return j}function d3_layout_stackReduceSum(d){return d.reduce(d3_layout_stackSum,0)}function d3_layout_stackSum(p,d){return p+d[1]}d3.layout.histogram=function(){var frequency=true,valuer=Number,ranger=d3_layout_histogramRange,binner=d3_layout_histogramBinSturges;function histogram(data,i){var bins=[],values=data.map(valuer,this),range=ranger.call(this,values,i),thresholds=binner.call(this,range,values,i),bin,i=-1,n=values.length,m=thresholds.length-1,k=frequency?1:1/n,x;while(++i<m){bin=bins[i]=[];bin.dx=thresholds[i+1]-(bin.x=thresholds[i]);bin.y=0}if(m>0){i=-1;while(++i<n){x=values[i];if(x>=range[0]&&x<=range[1]){bin=bins[d3.bisect(thresholds,x,1,m)-1];bin.y+=k;bin.push(data[i])}}}return bins}histogram.value=function(x){if(!arguments.length)return valuer;valuer=x;return histogram};histogram.range=function(x){if(!arguments.length)return ranger;ranger=d3_functor(x);return histogram};histogram.bins=function(x){if(!arguments.length)return binner;binner=typeof x==="number"?function(range){return d3_layout_histogramBinFixed(range,x)}:d3_functor(x);return histogram};histogram.frequency=function(x){if(!arguments.length)return frequency;frequency=!!x;return histogram};return histogram};function d3_layout_histogramBinSturges(range,values){return d3_layout_histogramBinFixed(range,Math.ceil(Math.log(values.length)/Math.LN2+1))}function d3_layout_histogramBinFixed(range,n){var x=-1,b=+range[0],m=(range[1]-b)/n,f=[];while(++x<=n)f[x]=m*x+b;return f}function d3_layout_histogramRange(values){return[d3.min(values),d3.max(values)]}d3.layout.pack=function(){var hierarchy=d3.layout.hierarchy().sort(d3_layout_packSort),padding=0,size=[1,1],radius;function pack(d,i){var nodes=hierarchy.call(this,d,i),root=nodes[0],w=size[0],h=size[1],r=radius==null?Math.sqrt:typeof radius==="function"?radius:function(){return radius};root.x=root.y=0;d3_layout_hierarchyVisitAfter(root,function(d){d.r=+r(d.value)});d3_layout_hierarchyVisitAfter(root,d3_layout_packSiblings);if(padding){var dr=padding*(radius?1:Math.max(2*root.r/w,2*root.r/h))/2;d3_layout_hierarchyVisitAfter(root,function(d){d.r+=dr});d3_layout_hierarchyVisitAfter(root,d3_layout_packSiblings);d3_layout_hierarchyVisitAfter(root,function(d){d.r-=dr})}d3_layout_packTransform(root,w/2,h/2,radius?1:1/Math.max(2*root.r/w,2*root.r/h));return nodes}pack.size=function(_){if(!arguments.length)return size;size=_;return pack};pack.radius=function(_){if(!arguments.length)return radius;radius=_==null||typeof _==="function"?_:+_;return pack};pack.padding=function(_){if(!arguments.length)return padding;padding=+_;return pack};return d3_layout_hierarchyRebind(pack,hierarchy)};function d3_layout_packSort(a,b){return a.value-b.value}function d3_layout_packInsert(a,b){var c=a._pack_next;a._pack_next=b;b._pack_prev=a;b._pack_next=c;c._pack_prev=b}function d3_layout_packSplice(a,b){a._pack_next=b;b._pack_prev=a}function d3_layout_packIntersects(a,b){var dx=b.x-a.x,dy=b.y-a.y,dr=a.r+b.r;return.999*dr*dr>dx*dx+dy*dy}function d3_layout_packSiblings(node){if(!(nodes=node.children)||!(n=nodes.length))return;var nodes,xMin=Infinity,xMax=-Infinity,yMin=Infinity,yMax=-Infinity,a,b,c,i,j,k,n;function bound(node){xMin=Math.min(node.x-node.r,xMin);xMax=Math.max(node.x+node.r,xMax);yMin=Math.min(node.y-node.r,yMin);yMax=Math.max(node.y+node.r,yMax)}nodes.forEach(d3_layout_packLink);a=nodes[0];a.x=-a.r;a.y=0;bound(a);if(n>1){b=nodes[1];b.x=b.r;b.y=0;bound(b);if(n>2){c=nodes[2];d3_layout_packPlace(a,b,c);bound(c);d3_layout_packInsert(a,c);a._pack_prev=c;d3_layout_packInsert(c,b);b=a._pack_next;for(i=3;i<n;i++){d3_layout_packPlace(a,b,c=nodes[i]);var isect=0,s1=1,s2=1;for(j=b._pack_next;j!==b;j=j._pack_next,s1++){if(d3_layout_packIntersects(j,c)){isect=1;break}}if(isect==1){for(k=a._pack_prev;k!==j._pack_prev;k=k._pack_prev,s2++){if(d3_layout_packIntersects(k,c)){break}}}if(isect){if(s1<s2||s1==s2&&b.r<a.r)d3_layout_packSplice(a,b=j);else d3_layout_packSplice(a=k,b);i--}else{d3_layout_packInsert(a,c);b=c;bound(c)}}}}var cx=(xMin+xMax)/2,cy=(yMin+yMax)/2,cr=0;for(i=0;i<n;i++){c=nodes[i];c.x-=cx;c.y-=cy;cr=Math.max(cr,c.r+Math.sqrt(c.x*c.x+c.y*c.y))}node.r=cr;nodes.forEach(d3_layout_packUnlink)}function d3_layout_packLink(node){node._pack_next=node._pack_prev=node}function d3_layout_packUnlink(node){delete node._pack_next;delete node._pack_prev}function d3_layout_packTransform(node,x,y,k){var children=node.children;node.x=x+=k*node.x;node.y=y+=k*node.y;node.r*=k;if(children){var i=-1,n=children.length;while(++i<n)d3_layout_packTransform(children[i],x,y,k)}}function d3_layout_packPlace(a,b,c){var db=a.r+c.r,dx=b.x-a.x,dy=b.y-a.y;if(db&&(dx||dy)){var da=b.r+c.r,dc=dx*dx+dy*dy;da*=da;db*=db;var x=.5+(db-da)/(2*dc),y=Math.sqrt(Math.max(0,2*da*(db+dc)-(db-=dc)*db-da*da))/(2*dc);c.x=a.x+x*dx+y*dy;c.y=a.y+x*dy-y*dx}else{c.x=a.x+db;c.y=a.y}}d3.layout.tree=function(){var hierarchy=d3.layout.hierarchy().sort(null).value(null),separation=d3_layout_treeSeparation,size=[1,1],nodeSize=null;function tree(d,i){var nodes=hierarchy.call(this,d,i),root0=nodes[0],root1=wrapTree(root0);d3_layout_hierarchyVisitAfter(root1,firstWalk),root1.parent.m=-root1.z;d3_layout_hierarchyVisitBefore(root1,secondWalk);if(nodeSize)d3_layout_hierarchyVisitBefore(root0,sizeNode);else{var left=root0,right=root0,bottom=root0;d3_layout_hierarchyVisitBefore(root0,function(node){if(node.x<left.x)left=node;if(node.x>right.x)right=node;if(node.depth>bottom.depth)bottom=node});var tx=separation(left,right)/2-left.x,kx=size[0]/(right.x+separation(right,left)/2+tx),ky=size[1]/(bottom.depth||1);d3_layout_hierarchyVisitBefore(root0,function(node){node.x=(node.x+tx)*kx;node.y=node.depth*ky})}return nodes}function wrapTree(root0){var root1={A:null,children:[root0]},queue=[root1],node1;while((node1=queue.pop())!=null){for(var children=node1.children,child,i=0,n=children.length;i<n;++i){queue.push((children[i]=child={_:children[i],parent:node1,children:(child=children[i].children)&&child.slice()||[],A:null,a:null,z:0,m:0,c:0,s:0,t:null,i:i}).a=child)
}}return root1.children[0]}function firstWalk(v){var children=v.children,siblings=v.parent.children,w=v.i?siblings[v.i-1]:null;if(children.length){d3_layout_treeShift(v);var midpoint=(children[0].z+children[children.length-1].z)/2;if(w){v.z=w.z+separation(v._,w._);v.m=v.z-midpoint}else{v.z=midpoint}}else if(w){v.z=w.z+separation(v._,w._)}v.parent.A=apportion(v,w,v.parent.A||siblings[0])}function secondWalk(v){v._.x=v.z+v.parent.m;v.m+=v.parent.m}function apportion(v,w,ancestor){if(w){var vip=v,vop=v,vim=w,vom=vip.parent.children[0],sip=vip.m,sop=vop.m,sim=vim.m,som=vom.m,shift;while(vim=d3_layout_treeRight(vim),vip=d3_layout_treeLeft(vip),vim&&vip){vom=d3_layout_treeLeft(vom);vop=d3_layout_treeRight(vop);vop.a=v;shift=vim.z+sim-vip.z-sip+separation(vim._,vip._);if(shift>0){d3_layout_treeMove(d3_layout_treeAncestor(vim,v,ancestor),v,shift);sip+=shift;sop+=shift}sim+=vim.m;sip+=vip.m;som+=vom.m;sop+=vop.m}if(vim&&!d3_layout_treeRight(vop)){vop.t=vim;vop.m+=sim-sop}if(vip&&!d3_layout_treeLeft(vom)){vom.t=vip;vom.m+=sip-som;ancestor=v}}return ancestor}function sizeNode(node){node.x*=size[0];node.y=node.depth*size[1]}tree.separation=function(x){if(!arguments.length)return separation;separation=x;return tree};tree.size=function(x){if(!arguments.length)return nodeSize?null:size;nodeSize=(size=x)==null?sizeNode:null;return tree};tree.nodeSize=function(x){if(!arguments.length)return nodeSize?size:null;nodeSize=(size=x)==null?null:sizeNode;return tree};return d3_layout_hierarchyRebind(tree,hierarchy)};function d3_layout_treeSeparation(a,b){return a.parent==b.parent?1:2}function d3_layout_treeLeft(v){var children=v.children;return children.length?children[0]:v.t}function d3_layout_treeRight(v){var children=v.children,n;return(n=children.length)?children[n-1]:v.t}function d3_layout_treeMove(wm,wp,shift){var change=shift/(wp.i-wm.i);wp.c-=change;wp.s+=shift;wm.c+=change;wp.z+=shift;wp.m+=shift}function d3_layout_treeShift(v){var shift=0,change=0,children=v.children,i=children.length,w;while(--i>=0){w=children[i];w.z+=shift;w.m+=shift;shift+=w.s+(change+=w.c)}}function d3_layout_treeAncestor(vim,v,ancestor){return vim.a.parent===v.parent?vim.a:ancestor}d3.layout.cluster=function(){var hierarchy=d3.layout.hierarchy().sort(null).value(null),separation=d3_layout_treeSeparation,size=[1,1],nodeSize=false;function cluster(d,i){var nodes=hierarchy.call(this,d,i),root=nodes[0],previousNode,x=0;d3_layout_hierarchyVisitAfter(root,function(node){var children=node.children;if(children&&children.length){node.x=d3_layout_clusterX(children);node.y=d3_layout_clusterY(children)}else{node.x=previousNode?x+=separation(node,previousNode):0;node.y=0;previousNode=node}});var left=d3_layout_clusterLeft(root),right=d3_layout_clusterRight(root),x0=left.x-separation(left,right)/2,x1=right.x+separation(right,left)/2;d3_layout_hierarchyVisitAfter(root,nodeSize?function(node){node.x=(node.x-root.x)*size[0];node.y=(root.y-node.y)*size[1]}:function(node){node.x=(node.x-x0)/(x1-x0)*size[0];node.y=(1-(root.y?node.y/root.y:1))*size[1]});return nodes}cluster.separation=function(x){if(!arguments.length)return separation;separation=x;return cluster};cluster.size=function(x){if(!arguments.length)return nodeSize?null:size;nodeSize=(size=x)==null;return cluster};cluster.nodeSize=function(x){if(!arguments.length)return nodeSize?size:null;nodeSize=(size=x)!=null;return cluster};return d3_layout_hierarchyRebind(cluster,hierarchy)};function d3_layout_clusterY(children){return 1+d3.max(children,function(child){return child.y})}function d3_layout_clusterX(children){return children.reduce(function(x,child){return x+child.x},0)/children.length}function d3_layout_clusterLeft(node){var children=node.children;return children&&children.length?d3_layout_clusterLeft(children[0]):node}function d3_layout_clusterRight(node){var children=node.children,n;return children&&(n=children.length)?d3_layout_clusterRight(children[n-1]):node}d3.layout.treemap=function(){var hierarchy=d3.layout.hierarchy(),round=Math.round,size=[1,1],padding=null,pad=d3_layout_treemapPadNull,sticky=false,stickies,mode="squarify",ratio=.5*(1+Math.sqrt(5));function scale(children,k){var i=-1,n=children.length,child,area;while(++i<n){area=(child=children[i]).value*(k<0?0:k);child.area=isNaN(area)||area<=0?0:area}}function squarify(node){var children=node.children;if(children&&children.length){var rect=pad(node),row=[],remaining=children.slice(),child,best=Infinity,score,u=mode==="slice"?rect.dx:mode==="dice"?rect.dy:mode==="slice-dice"?node.depth&1?rect.dy:rect.dx:Math.min(rect.dx,rect.dy),n;scale(remaining,rect.dx*rect.dy/node.value);row.area=0;while((n=remaining.length)>0){row.push(child=remaining[n-1]);row.area+=child.area;if(mode!=="squarify"||(score=worst(row,u))<=best){remaining.pop();best=score}else{row.area-=row.pop().area;position(row,u,rect,false);u=Math.min(rect.dx,rect.dy);row.length=row.area=0;best=Infinity}}if(row.length){position(row,u,rect,true);row.length=row.area=0}children.forEach(squarify)}}function stickify(node){var children=node.children;if(children&&children.length){var rect=pad(node),remaining=children.slice(),child,row=[];scale(remaining,rect.dx*rect.dy/node.value);row.area=0;while(child=remaining.pop()){row.push(child);row.area+=child.area;if(child.z!=null){position(row,child.z?rect.dx:rect.dy,rect,!remaining.length);row.length=row.area=0}}children.forEach(stickify)}}function worst(row,u){var s=row.area,r,rmax=0,rmin=Infinity,i=-1,n=row.length;while(++i<n){if(!(r=row[i].area))continue;if(r<rmin)rmin=r;if(r>rmax)rmax=r}s*=s;u*=u;return s?Math.max(u*rmax*ratio/s,s/(u*rmin*ratio)):Infinity}function position(row,u,rect,flush){var i=-1,n=row.length,x=rect.x,y=rect.y,v=u?round(row.area/u):0,o;if(u==rect.dx){if(flush||v>rect.dy)v=rect.dy;while(++i<n){o=row[i];o.x=x;o.y=y;o.dy=v;x+=o.dx=Math.min(rect.x+rect.dx-x,v?round(o.area/v):0)}o.z=true;o.dx+=rect.x+rect.dx-x;rect.y+=v;rect.dy-=v}else{if(flush||v>rect.dx)v=rect.dx;while(++i<n){o=row[i];o.x=x;o.y=y;o.dx=v;y+=o.dy=Math.min(rect.y+rect.dy-y,v?round(o.area/v):0)}o.z=false;o.dy+=rect.y+rect.dy-y;rect.x+=v;rect.dx-=v}}function treemap(d){var nodes=stickies||hierarchy(d),root=nodes[0];root.x=0;root.y=0;root.dx=size[0];root.dy=size[1];if(stickies)hierarchy.revalue(root);scale([root],root.dx*root.dy/root.value);(stickies?stickify:squarify)(root);if(sticky)stickies=nodes;return nodes}treemap.size=function(x){if(!arguments.length)return size;size=x;return treemap};treemap.padding=function(x){if(!arguments.length)return padding;function padFunction(node){var p=x.call(treemap,node,node.depth);return p==null?d3_layout_treemapPadNull(node):d3_layout_treemapPad(node,typeof p==="number"?[p,p,p,p]:p)}function padConstant(node){return d3_layout_treemapPad(node,x)}var type;pad=(padding=x)==null?d3_layout_treemapPadNull:(type=typeof x)==="function"?padFunction:type==="number"?(x=[x,x,x,x],padConstant):padConstant;return treemap};treemap.round=function(x){if(!arguments.length)return round!=Number;round=x?Math.round:Number;return treemap};treemap.sticky=function(x){if(!arguments.length)return sticky;sticky=x;stickies=null;return treemap};treemap.ratio=function(x){if(!arguments.length)return ratio;ratio=x;return treemap};treemap.mode=function(x){if(!arguments.length)return mode;mode=x+"";return treemap};return d3_layout_hierarchyRebind(treemap,hierarchy)};function d3_layout_treemapPadNull(node){return{x:node.x,y:node.y,dx:node.dx,dy:node.dy}}function d3_layout_treemapPad(node,padding){var x=node.x+padding[3],y=node.y+padding[0],dx=node.dx-padding[1]-padding[3],dy=node.dy-padding[0]-padding[2];if(dx<0){x+=dx/2;dx=0}if(dy<0){y+=dy/2;dy=0}return{x:x,y:y,dx:dx,dy:dy}}d3.random={normal:function(µ,σ){var n=arguments.length;if(n<2)σ=1;if(n<1)µ=0;return function(){var x,y,r;do{x=Math.random()*2-1;y=Math.random()*2-1;r=x*x+y*y}while(!r||r>1);return µ+σ*x*Math.sqrt(-2*Math.log(r)/r)}},logNormal:function(){var random=d3.random.normal.apply(d3,arguments);return function(){return Math.exp(random())}},bates:function(m){var random=d3.random.irwinHall(m);return function(){return random()/m}},irwinHall:function(m){return function(){for(var s=0,j=0;j<m;j++)s+=Math.random();return s}}};d3.scale={};function d3_scaleExtent(domain){var start=domain[0],stop=domain[domain.length-1];return start<stop?[start,stop]:[stop,start]}function d3_scaleRange(scale){return scale.rangeExtent?scale.rangeExtent():d3_scaleExtent(scale.range())}function d3_scale_bilinear(domain,range,uninterpolate,interpolate){var u=uninterpolate(domain[0],domain[1]),i=interpolate(range[0],range[1]);return function(x){return i(u(x))}}function d3_scale_nice(domain,nice){var i0=0,i1=domain.length-1,x0=domain[i0],x1=domain[i1],dx;if(x1<x0){dx=i0,i0=i1,i1=dx;dx=x0,x0=x1,x1=dx}domain[i0]=nice.floor(x0);domain[i1]=nice.ceil(x1);return domain}function d3_scale_niceStep(step){return step?{floor:function(x){return Math.floor(x/step)*step},ceil:function(x){return Math.ceil(x/step)*step}}:d3_scale_niceIdentity}var d3_scale_niceIdentity={floor:d3_identity,ceil:d3_identity};function d3_scale_polylinear(domain,range,uninterpolate,interpolate){var u=[],i=[],j=0,k=Math.min(domain.length,range.length)-1;if(domain[k]<domain[0]){domain=domain.slice().reverse();range=range.slice().reverse()}while(++j<=k){u.push(uninterpolate(domain[j-1],domain[j]));i.push(interpolate(range[j-1],range[j]))}return function(x){var j=d3.bisect(domain,x,1,k)-1;return i[j](u[j](x))}}d3.scale.linear=function(){return d3_scale_linear([0,1],[0,1],d3_interpolate,false)};function d3_scale_linear(domain,range,interpolate,clamp){var output,input;function rescale(){var linear=Math.min(domain.length,range.length)>2?d3_scale_polylinear:d3_scale_bilinear,uninterpolate=clamp?d3_uninterpolateClamp:d3_uninterpolateNumber;output=linear(domain,range,uninterpolate,interpolate);input=linear(range,domain,uninterpolate,d3_interpolate);return scale}function scale(x){return output(x)}scale.invert=function(y){return input(y)};scale.domain=function(x){if(!arguments.length)return domain;domain=x.map(Number);return rescale()};scale.range=function(x){if(!arguments.length)return range;range=x;return rescale()};scale.rangeRound=function(x){return scale.range(x).interpolate(d3_interpolateRound)};scale.clamp=function(x){if(!arguments.length)return clamp;clamp=x;return rescale()};scale.interpolate=function(x){if(!arguments.length)return interpolate;interpolate=x;return rescale()};scale.ticks=function(m){return d3_scale_linearTicks(domain,m)};scale.tickFormat=function(m,format){return d3_scale_linearTickFormat(domain,m,format)};scale.nice=function(m){d3_scale_linearNice(domain,m);return rescale()};scale.copy=function(){return d3_scale_linear(domain,range,interpolate,clamp)};return rescale()}function d3_scale_linearRebind(scale,linear){return d3.rebind(scale,linear,"range","rangeRound","interpolate","clamp")}function d3_scale_linearNice(domain,m){return d3_scale_nice(domain,d3_scale_niceStep(d3_scale_linearTickRange(domain,m)[2]))}function d3_scale_linearTickRange(domain,m){if(m==null)m=10;var extent=d3_scaleExtent(domain),span=extent[1]-extent[0],step=Math.pow(10,Math.floor(Math.log(span/m)/Math.LN10)),err=m/span*step;if(err<=.15)step*=10;else if(err<=.35)step*=5;else if(err<=.75)step*=2;extent[0]=Math.ceil(extent[0]/step)*step;extent[1]=Math.floor(extent[1]/step)*step+step*.5;extent[2]=step;return extent}function d3_scale_linearTicks(domain,m){return d3.range.apply(d3,d3_scale_linearTickRange(domain,m))}function d3_scale_linearTickFormat(domain,m,format){var range=d3_scale_linearTickRange(domain,m);if(format){var match=d3_format_re.exec(format);match.shift();if(match[8]==="s"){var prefix=d3.formatPrefix(Math.max(abs(range[0]),abs(range[1])));if(!match[7])match[7]="."+d3_scale_linearPrecision(prefix.scale(range[2]));match[8]="f";format=d3.format(match.join(""));return function(d){return format(prefix.scale(d))+prefix.symbol}}if(!match[7])match[7]="."+d3_scale_linearFormatPrecision(match[8],range);format=match.join("")}else{format=",."+d3_scale_linearPrecision(range[2])+"f"}return d3.format(format)}var d3_scale_linearFormatSignificant={s:1,g:1,p:1,r:1,e:1};function d3_scale_linearPrecision(value){return-Math.floor(Math.log(value)/Math.LN10+.01)}function d3_scale_linearFormatPrecision(type,range){var p=d3_scale_linearPrecision(range[2]);return type in d3_scale_linearFormatSignificant?Math.abs(p-d3_scale_linearPrecision(Math.max(abs(range[0]),abs(range[1]))))+ +(type!=="e"):p-(type==="%")*2}d3.scale.log=function(){return d3_scale_log(d3.scale.linear().domain([0,1]),10,true,[1,10])};function d3_scale_log(linear,base,positive,domain){function log(x){return(positive?Math.log(x<0?0:x):-Math.log(x>0?0:-x))/Math.log(base)}function pow(x){return positive?Math.pow(base,x):-Math.pow(base,-x)}function scale(x){return linear(log(x))}scale.invert=function(x){return pow(linear.invert(x))};scale.domain=function(x){if(!arguments.length)return domain;positive=x[0]>=0;linear.domain((domain=x.map(Number)).map(log));return scale};scale.base=function(_){if(!arguments.length)return base;base=+_;linear.domain(domain.map(log));return scale};scale.nice=function(){var niced=d3_scale_nice(domain.map(log),positive?Math:d3_scale_logNiceNegative);linear.domain(niced);domain=niced.map(pow);return scale};scale.ticks=function(){var extent=d3_scaleExtent(domain),ticks=[],u=extent[0],v=extent[1],i=Math.floor(log(u)),j=Math.ceil(log(v)),n=base%1?2:base;if(isFinite(j-i)){if(positive){for(;i<j;i++)for(var k=1;k<n;k++)ticks.push(pow(i)*k);ticks.push(pow(i))}else{ticks.push(pow(i));for(;i++<j;)for(var k=n-1;k>0;k--)ticks.push(pow(i)*k)}for(i=0;ticks[i]<u;i++){}for(j=ticks.length;ticks[j-1]>v;j--){}ticks=ticks.slice(i,j)}return ticks};scale.tickFormat=function(n,format){if(!arguments.length)return d3_scale_logFormat;if(arguments.length<2)format=d3_scale_logFormat;else if(typeof format!=="function")format=d3.format(format);var k=Math.max(.1,n/scale.ticks().length),f=positive?(e=1e-12,Math.ceil):(e=-1e-12,Math.floor),e;return function(d){return d/pow(f(log(d)+e))<=k?format(d):""}};scale.copy=function(){return d3_scale_log(linear.copy(),base,positive,domain)};return d3_scale_linearRebind(scale,linear)}var d3_scale_logFormat=d3.format(".0e"),d3_scale_logNiceNegative={floor:function(x){return-Math.ceil(-x)},ceil:function(x){return-Math.floor(-x)}};d3.scale.pow=function(){return d3_scale_pow(d3.scale.linear(),1,[0,1])};function d3_scale_pow(linear,exponent,domain){var powp=d3_scale_powPow(exponent),powb=d3_scale_powPow(1/exponent);function scale(x){return linear(powp(x))}scale.invert=function(x){return powb(linear.invert(x))};scale.domain=function(x){if(!arguments.length)return domain;linear.domain((domain=x.map(Number)).map(powp));return scale};scale.ticks=function(m){return d3_scale_linearTicks(domain,m)};scale.tickFormat=function(m,format){return d3_scale_linearTickFormat(domain,m,format)};scale.nice=function(m){return scale.domain(d3_scale_linearNice(domain,m))};scale.exponent=function(x){if(!arguments.length)return exponent;powp=d3_scale_powPow(exponent=x);powb=d3_scale_powPow(1/exponent);linear.domain(domain.map(powp));return scale};scale.copy=function(){return d3_scale_pow(linear.copy(),exponent,domain)};return d3_scale_linearRebind(scale,linear)}function d3_scale_powPow(e){return function(x){return x<0?-Math.pow(-x,e):Math.pow(x,e)}}d3.scale.sqrt=function(){return d3.scale.pow().exponent(.5)};d3.scale.ordinal=function(){return d3_scale_ordinal([],{t:"range",a:[[]]})};function d3_scale_ordinal(domain,ranger){var index,range,rangeBand;function scale(x){return range[((index.get(x)||(ranger.t==="range"?index.set(x,domain.push(x)):NaN))-1)%range.length]}function steps(start,step){return d3.range(domain.length).map(function(i){return start+step*i})}scale.domain=function(x){if(!arguments.length)return domain;domain=[];index=new d3_Map;var i=-1,n=x.length,xi;while(++i<n)if(!index.has(xi=x[i]))index.set(xi,domain.push(xi));return scale[ranger.t].apply(scale,ranger.a)};scale.range=function(x){if(!arguments.length)return range;range=x;rangeBand=0;ranger={t:"range",a:arguments};return scale};scale.rangePoints=function(x,padding){if(arguments.length<2)padding=0;var start=x[0],stop=x[1],step=(stop-start)/(Math.max(1,domain.length-1)+padding);range=steps(domain.length<2?(start+stop)/2:start+step*padding/2,step);rangeBand=0;ranger={t:"rangePoints",a:arguments};return scale};scale.rangeBands=function(x,padding,outerPadding){if(arguments.length<2)padding=0;if(arguments.length<3)outerPadding=padding;var reverse=x[1]<x[0],start=x[reverse-0],stop=x[1-reverse],step=(stop-start)/(domain.length-padding+2*outerPadding);range=steps(start+step*outerPadding,step);if(reverse)range.reverse();rangeBand=step*(1-padding);ranger={t:"rangeBands",a:arguments};return scale};scale.rangeRoundBands=function(x,padding,outerPadding){if(arguments.length<2)padding=0;if(arguments.length<3)outerPadding=padding;var reverse=x[1]<x[0],start=x[reverse-0],stop=x[1-reverse],step=Math.floor((stop-start)/(domain.length-padding+2*outerPadding)),error=stop-start-(domain.length-padding)*step;range=steps(start+Math.round(error/2),step);if(reverse)range.reverse();rangeBand=Math.round(step*(1-padding));ranger={t:"rangeRoundBands",a:arguments};return scale};scale.rangeBand=function(){return rangeBand};scale.rangeExtent=function(){return d3_scaleExtent(ranger.a[0])};scale.copy=function(){return d3_scale_ordinal(domain,ranger)};return scale.domain(domain)}d3.scale.category10=function(){return d3.scale.ordinal().range(d3_category10)};d3.scale.category20=function(){return d3.scale.ordinal().range(d3_category20)};d3.scale.category20b=function(){return d3.scale.ordinal().range(d3_category20b)};d3.scale.category20c=function(){return d3.scale.ordinal().range(d3_category20c)};var d3_category10=[2062260,16744206,2924588,14034728,9725885,9197131,14907330,8355711,12369186,1556175].map(d3_rgbString);var d3_category20=[2062260,11454440,16744206,16759672,2924588,10018698,14034728,16750742,9725885,12955861,9197131,12885140,14907330,16234194,8355711,13092807,12369186,14408589,1556175,10410725].map(d3_rgbString);var d3_category20b=[3750777,5395619,7040719,10264286,6519097,9216594,11915115,13556636,9202993,12426809,15186514,15190932,8666169,11356490,14049643,15177372,8077683,10834324,13528509,14589654].map(d3_rgbString);var d3_category20c=[3244733,7057110,10406625,13032431,15095053,16616764,16625259,16634018,3253076,7652470,10607003,13101504,7695281,10394312,12369372,14342891,6513507,9868950,12434877,14277081].map(d3_rgbString);d3.scale.quantile=function(){return d3_scale_quantile([],[])};function d3_scale_quantile(domain,range){var thresholds;function rescale(){var k=0,q=range.length;thresholds=[];while(++k<q)thresholds[k-1]=d3.quantile(domain,k/q);return scale}function scale(x){if(!isNaN(x=+x))return range[d3.bisect(thresholds,x)]}scale.domain=function(x){if(!arguments.length)return domain;domain=x.filter(d3_number).sort(d3_ascending);return rescale()};scale.range=function(x){if(!arguments.length)return range;range=x;return rescale()};scale.quantiles=function(){return thresholds};scale.invertExtent=function(y){y=range.indexOf(y);return y<0?[NaN,NaN]:[y>0?thresholds[y-1]:domain[0],y<thresholds.length?thresholds[y]:domain[domain.length-1]]};scale.copy=function(){return d3_scale_quantile(domain,range)};return rescale()}d3.scale.quantize=function(){return d3_scale_quantize(0,1,[0,1])};function d3_scale_quantize(x0,x1,range){var kx,i;function scale(x){return range[Math.max(0,Math.min(i,Math.floor(kx*(x-x0))))]}function rescale(){kx=range.length/(x1-x0);i=range.length-1;return scale}scale.domain=function(x){if(!arguments.length)return[x0,x1];x0=+x[0];x1=+x[x.length-1];return rescale()};scale.range=function(x){if(!arguments.length)return range;range=x;return rescale()};scale.invertExtent=function(y){y=range.indexOf(y);y=y<0?NaN:y/kx+x0;return[y,y+1/kx]};scale.copy=function(){return d3_scale_quantize(x0,x1,range)};return rescale()}d3.scale.threshold=function(){return d3_scale_threshold([.5],[0,1])};function d3_scale_threshold(domain,range){function scale(x){if(x<=x)return range[d3.bisect(domain,x)]}scale.domain=function(_){if(!arguments.length)return domain;domain=_;return scale};scale.range=function(_){if(!arguments.length)return range;range=_;return scale};scale.invertExtent=function(y){y=range.indexOf(y);return[domain[y-1],domain[y]]};scale.copy=function(){return d3_scale_threshold(domain,range)};return scale}d3.scale.identity=function(){return d3_scale_identity([0,1])};function d3_scale_identity(domain){function identity(x){return+x}identity.invert=identity;identity.domain=identity.range=function(x){if(!arguments.length)return domain;domain=x.map(identity);return identity};identity.ticks=function(m){return d3_scale_linearTicks(domain,m)};identity.tickFormat=function(m,format){return d3_scale_linearTickFormat(domain,m,format)};identity.copy=function(){return d3_scale_identity(domain)};return identity}d3.svg={};d3.svg.arc=function(){var innerRadius=d3_svg_arcInnerRadius,outerRadius=d3_svg_arcOuterRadius,startAngle=d3_svg_arcStartAngle,endAngle=d3_svg_arcEndAngle;function arc(){var r0=innerRadius.apply(this,arguments),r1=outerRadius.apply(this,arguments),a0=startAngle.apply(this,arguments)+d3_svg_arcOffset,a1=endAngle.apply(this,arguments)+d3_svg_arcOffset,da=(a1<a0&&(da=a0,a0=a1,a1=da),a1-a0),df=da<π?"0":"1",c0=Math.cos(a0),s0=Math.sin(a0),c1=Math.cos(a1),s1=Math.sin(a1);return da>=d3_svg_arcMax?r0?"M0,"+r1+"A"+r1+","+r1+" 0 1,1 0,"+-r1+"A"+r1+","+r1+" 0 1,1 0,"+r1+"M0,"+r0+"A"+r0+","+r0+" 0 1,0 0,"+-r0+"A"+r0+","+r0+" 0 1,0 0,"+r0+"Z":"M0,"+r1+"A"+r1+","+r1+" 0 1,1 0,"+-r1+"A"+r1+","+r1+" 0 1,1 0,"+r1+"Z":r0?"M"+r1*c0+","+r1*s0+"A"+r1+","+r1+" 0 "+df+",1 "+r1*c1+","+r1*s1+"L"+r0*c1+","+r0*s1+"A"+r0+","+r0+" 0 "+df+",0 "+r0*c0+","+r0*s0+"Z":"M"+r1*c0+","+r1*s0+"A"+r1+","+r1+" 0 "+df+",1 "+r1*c1+","+r1*s1+"L0,0"+"Z"}arc.innerRadius=function(v){if(!arguments.length)return innerRadius;innerRadius=d3_functor(v);return arc};arc.outerRadius=function(v){if(!arguments.length)return outerRadius;outerRadius=d3_functor(v);return arc};arc.startAngle=function(v){if(!arguments.length)return startAngle;startAngle=d3_functor(v);return arc};arc.endAngle=function(v){if(!arguments.length)return endAngle;endAngle=d3_functor(v);return arc};arc.centroid=function(){var r=(innerRadius.apply(this,arguments)+outerRadius.apply(this,arguments))/2,a=(startAngle.apply(this,arguments)+endAngle.apply(this,arguments))/2+d3_svg_arcOffset;return[Math.cos(a)*r,Math.sin(a)*r]};return arc};var d3_svg_arcOffset=-halfπ,d3_svg_arcMax=τ-ε;function d3_svg_arcInnerRadius(d){return d.innerRadius}function d3_svg_arcOuterRadius(d){return d.outerRadius}function d3_svg_arcStartAngle(d){return d.startAngle}function d3_svg_arcEndAngle(d){return d.endAngle}function d3_svg_line(projection){var x=d3_geom_pointX,y=d3_geom_pointY,defined=d3_true,interpolate=d3_svg_lineLinear,interpolateKey=interpolate.key,tension=.7;function line(data){var segments=[],points=[],i=-1,n=data.length,d,fx=d3_functor(x),fy=d3_functor(y);function segment(){segments.push("M",interpolate(projection(points),tension))}while(++i<n){if(defined.call(this,d=data[i],i)){points.push([+fx.call(this,d,i),+fy.call(this,d,i)])}else if(points.length){segment();points=[]}}if(points.length)segment();return segments.length?segments.join(""):null}line.x=function(_){if(!arguments.length)return x;x=_;return line};line.y=function(_){if(!arguments.length)return y;y=_;return line};line.defined=function(_){if(!arguments.length)return defined;defined=_;return line};line.interpolate=function(_){if(!arguments.length)return interpolateKey;if(typeof _==="function")interpolateKey=interpolate=_;else interpolateKey=(interpolate=d3_svg_lineInterpolators.get(_)||d3_svg_lineLinear).key;return line};line.tension=function(_){if(!arguments.length)return tension;tension=_;return line};return line}d3.svg.line=function(){return d3_svg_line(d3_identity)};var d3_svg_lineInterpolators=d3.map({linear:d3_svg_lineLinear,"linear-closed":d3_svg_lineLinearClosed,step:d3_svg_lineStep,"step-before":d3_svg_lineStepBefore,"step-after":d3_svg_lineStepAfter,basis:d3_svg_lineBasis,"basis-open":d3_svg_lineBasisOpen,"basis-closed":d3_svg_lineBasisClosed,bundle:d3_svg_lineBundle,cardinal:d3_svg_lineCardinal,"cardinal-open":d3_svg_lineCardinalOpen,"cardinal-closed":d3_svg_lineCardinalClosed,monotone:d3_svg_lineMonotone});d3_svg_lineInterpolators.forEach(function(key,value){value.key=key;value.closed=/-closed$/.test(key)});function d3_svg_lineLinear(points){return points.join("L")}function d3_svg_lineLinearClosed(points){return d3_svg_lineLinear(points)+"Z"}function d3_svg_lineStep(points){var i=0,n=points.length,p=points[0],path=[p[0],",",p[1]];while(++i<n)path.push("H",(p[0]+(p=points[i])[0])/2,"V",p[1]);if(n>1)path.push("H",p[0]);return path.join("")}function d3_svg_lineStepBefore(points){var i=0,n=points.length,p=points[0],path=[p[0],",",p[1]];while(++i<n)path.push("V",(p=points[i])[1],"H",p[0]);return path.join("")}function d3_svg_lineStepAfter(points){var i=0,n=points.length,p=points[0],path=[p[0],",",p[1]];while(++i<n)path.push("H",(p=points[i])[0],"V",p[1]);return path.join("")}function d3_svg_lineCardinalOpen(points,tension){return points.length<4?d3_svg_lineLinear(points):points[1]+d3_svg_lineHermite(points.slice(1,points.length-1),d3_svg_lineCardinalTangents(points,tension))}function d3_svg_lineCardinalClosed(points,tension){return points.length<3?d3_svg_lineLinear(points):points[0]+d3_svg_lineHermite((points.push(points[0]),points),d3_svg_lineCardinalTangents([points[points.length-2]].concat(points,[points[1]]),tension))}function d3_svg_lineCardinal(points,tension){return points.length<3?d3_svg_lineLinear(points):points[0]+d3_svg_lineHermite(points,d3_svg_lineCardinalTangents(points,tension))}function d3_svg_lineHermite(points,tangents){if(tangents.length<1||points.length!=tangents.length&&points.length!=tangents.length+2){return d3_svg_lineLinear(points)}var quad=points.length!=tangents.length,path="",p0=points[0],p=points[1],t0=tangents[0],t=t0,pi=1;if(quad){path+="Q"+(p[0]-t0[0]*2/3)+","+(p[1]-t0[1]*2/3)+","+p[0]+","+p[1];p0=points[1];pi=2}if(tangents.length>1){t=tangents[1];p=points[pi];pi++;path+="C"+(p0[0]+t0[0])+","+(p0[1]+t0[1])+","+(p[0]-t[0])+","+(p[1]-t[1])+","+p[0]+","+p[1];for(var i=2;i<tangents.length;i++,pi++){p=points[pi];t=tangents[i];path+="S"+(p[0]-t[0])+","+(p[1]-t[1])+","+p[0]+","+p[1]}}if(quad){var lp=points[pi];path+="Q"+(p[0]+t[0]*2/3)+","+(p[1]+t[1]*2/3)+","+lp[0]+","+lp[1]}return path}function d3_svg_lineCardinalTangents(points,tension){var tangents=[],a=(1-tension)/2,p0,p1=points[0],p2=points[1],i=1,n=points.length;while(++i<n){p0=p1;p1=p2;p2=points[i];tangents.push([a*(p2[0]-p0[0]),a*(p2[1]-p0[1])])}return tangents}function d3_svg_lineBasis(points){if(points.length<3)return d3_svg_lineLinear(points);var i=1,n=points.length,pi=points[0],x0=pi[0],y0=pi[1],px=[x0,x0,x0,(pi=points[1])[0]],py=[y0,y0,y0,pi[1]],path=[x0,",",y0,"L",d3_svg_lineDot4(d3_svg_lineBasisBezier3,px),",",d3_svg_lineDot4(d3_svg_lineBasisBezier3,py)];points.push(points[n-1]);while(++i<=n){pi=points[i];px.shift();px.push(pi[0]);py.shift();py.push(pi[1]);d3_svg_lineBasisBezier(path,px,py)}points.pop();path.push("L",pi);return path.join("")}function d3_svg_lineBasisOpen(points){if(points.length<4)return d3_svg_lineLinear(points);var path=[],i=-1,n=points.length,pi,px=[0],py=[0];while(++i<3){pi=points[i];px.push(pi[0]);py.push(pi[1])}path.push(d3_svg_lineDot4(d3_svg_lineBasisBezier3,px)+","+d3_svg_lineDot4(d3_svg_lineBasisBezier3,py));--i;while(++i<n){pi=points[i];px.shift();px.push(pi[0]);py.shift();py.push(pi[1]);d3_svg_lineBasisBezier(path,px,py)}return path.join("")}function d3_svg_lineBasisClosed(points){var path,i=-1,n=points.length,m=n+4,pi,px=[],py=[];while(++i<4){pi=points[i%n];px.push(pi[0]);py.push(pi[1])}path=[d3_svg_lineDot4(d3_svg_lineBasisBezier3,px),",",d3_svg_lineDot4(d3_svg_lineBasisBezier3,py)];--i;while(++i<m){pi=points[i%n];px.shift();px.push(pi[0]);py.shift();py.push(pi[1]);d3_svg_lineBasisBezier(path,px,py)}return path.join("")}function d3_svg_lineBundle(points,tension){var n=points.length-1;if(n){var x0=points[0][0],y0=points[0][1],dx=points[n][0]-x0,dy=points[n][1]-y0,i=-1,p,t;while(++i<=n){p=points[i];t=i/n;p[0]=tension*p[0]+(1-tension)*(x0+t*dx);p[1]=tension*p[1]+(1-tension)*(y0+t*dy)}}return d3_svg_lineBasis(points)}function d3_svg_lineDot4(a,b){return a[0]*b[0]+a[1]*b[1]+a[2]*b[2]+a[3]*b[3]}var d3_svg_lineBasisBezier1=[0,2/3,1/3,0],d3_svg_lineBasisBezier2=[0,1/3,2/3,0],d3_svg_lineBasisBezier3=[0,1/6,2/3,1/6];function d3_svg_lineBasisBezier(path,x,y){path.push("C",d3_svg_lineDot4(d3_svg_lineBasisBezier1,x),",",d3_svg_lineDot4(d3_svg_lineBasisBezier1,y),",",d3_svg_lineDot4(d3_svg_lineBasisBezier2,x),",",d3_svg_lineDot4(d3_svg_lineBasisBezier2,y),",",d3_svg_lineDot4(d3_svg_lineBasisBezier3,x),",",d3_svg_lineDot4(d3_svg_lineBasisBezier3,y))}function d3_svg_lineSlope(p0,p1){return(p1[1]-p0[1])/(p1[0]-p0[0])}function d3_svg_lineFiniteDifferences(points){var i=0,j=points.length-1,m=[],p0=points[0],p1=points[1],d=m[0]=d3_svg_lineSlope(p0,p1);while(++i<j){m[i]=(d+(d=d3_svg_lineSlope(p0=p1,p1=points[i+1])))/2}m[i]=d;return m}function d3_svg_lineMonotoneTangents(points){var tangents=[],d,a,b,s,m=d3_svg_lineFiniteDifferences(points),i=-1,j=points.length-1;while(++i<j){d=d3_svg_lineSlope(points[i],points[i+1]);if(abs(d)<ε){m[i]=m[i+1]=0}else{a=m[i]/d;b=m[i+1]/d;s=a*a+b*b;if(s>9){s=d*3/Math.sqrt(s);m[i]=s*a;m[i+1]=s*b}}}i=-1;while(++i<=j){s=(points[Math.min(j,i+1)][0]-points[Math.max(0,i-1)][0])/(6*(1+m[i]*m[i]));tangents.push([s||0,m[i]*s||0])}return tangents}function d3_svg_lineMonotone(points){return points.length<3?d3_svg_lineLinear(points):points[0]+d3_svg_lineHermite(points,d3_svg_lineMonotoneTangents(points))}d3.svg.line.radial=function(){var line=d3_svg_line(d3_svg_lineRadial);line.radius=line.x,delete line.x;line.angle=line.y,delete line.y;return line};function d3_svg_lineRadial(points){var point,i=-1,n=points.length,r,a;while(++i<n){point=points[i];r=point[0];a=point[1]+d3_svg_arcOffset;point[0]=r*Math.cos(a);point[1]=r*Math.sin(a)}return points}function d3_svg_area(projection){var x0=d3_geom_pointX,x1=d3_geom_pointX,y0=0,y1=d3_geom_pointY,defined=d3_true,interpolate=d3_svg_lineLinear,interpolateKey=interpolate.key,interpolateReverse=interpolate,L="L",tension=.7;function area(data){var segments=[],points0=[],points1=[],i=-1,n=data.length,d,fx0=d3_functor(x0),fy0=d3_functor(y0),fx1=x0===x1?function(){return x}:d3_functor(x1),fy1=y0===y1?function(){return y}:d3_functor(y1),x,y;function segment(){segments.push("M",interpolate(projection(points1),tension),L,interpolateReverse(projection(points0.reverse()),tension),"Z")}while(++i<n){if(defined.call(this,d=data[i],i)){points0.push([x=+fx0.call(this,d,i),y=+fy0.call(this,d,i)]);points1.push([+fx1.call(this,d,i),+fy1.call(this,d,i)])}else if(points0.length){segment();points0=[];points1=[]}}if(points0.length)segment();return segments.length?segments.join(""):null}area.x=function(_){if(!arguments.length)return x1;x0=x1=_;return area};area.x0=function(_){if(!arguments.length)return x0;x0=_;return area};area.x1=function(_){if(!arguments.length)return x1;x1=_;return area};area.y=function(_){if(!arguments.length)return y1;y0=y1=_;return area};area.y0=function(_){if(!arguments.length)return y0;y0=_;return area};area.y1=function(_){if(!arguments.length)return y1;y1=_;return area};area.defined=function(_){if(!arguments.length)return defined;defined=_;return area};area.interpolate=function(_){if(!arguments.length)return interpolateKey;if(typeof _==="function")interpolateKey=interpolate=_;else interpolateKey=(interpolate=d3_svg_lineInterpolators.get(_)||d3_svg_lineLinear).key;interpolateReverse=interpolate.reverse||interpolate;L=interpolate.closed?"M":"L";return area};area.tension=function(_){if(!arguments.length)return tension;tension=_;return area};return area}d3_svg_lineStepBefore.reverse=d3_svg_lineStepAfter;d3_svg_lineStepAfter.reverse=d3_svg_lineStepBefore;d3.svg.area=function(){return d3_svg_area(d3_identity)
};d3.svg.area.radial=function(){var area=d3_svg_area(d3_svg_lineRadial);area.radius=area.x,delete area.x;area.innerRadius=area.x0,delete area.x0;area.outerRadius=area.x1,delete area.x1;area.angle=area.y,delete area.y;area.startAngle=area.y0,delete area.y0;area.endAngle=area.y1,delete area.y1;return area};d3.svg.chord=function(){var source=d3_source,target=d3_target,radius=d3_svg_chordRadius,startAngle=d3_svg_arcStartAngle,endAngle=d3_svg_arcEndAngle;function chord(d,i){var s=subgroup(this,source,d,i),t=subgroup(this,target,d,i);return"M"+s.p0+arc(s.r,s.p1,s.a1-s.a0)+(equals(s,t)?curve(s.r,s.p1,s.r,s.p0):curve(s.r,s.p1,t.r,t.p0)+arc(t.r,t.p1,t.a1-t.a0)+curve(t.r,t.p1,s.r,s.p0))+"Z"}function subgroup(self,f,d,i){var subgroup=f.call(self,d,i),r=radius.call(self,subgroup,i),a0=startAngle.call(self,subgroup,i)+d3_svg_arcOffset,a1=endAngle.call(self,subgroup,i)+d3_svg_arcOffset;return{r:r,a0:a0,a1:a1,p0:[r*Math.cos(a0),r*Math.sin(a0)],p1:[r*Math.cos(a1),r*Math.sin(a1)]}}function equals(a,b){return a.a0==b.a0&&a.a1==b.a1}function arc(r,p,a){return"A"+r+","+r+" 0 "+ +(a>π)+",1 "+p}function curve(r0,p0,r1,p1){return"Q 0,0 "+p1}chord.radius=function(v){if(!arguments.length)return radius;radius=d3_functor(v);return chord};chord.source=function(v){if(!arguments.length)return source;source=d3_functor(v);return chord};chord.target=function(v){if(!arguments.length)return target;target=d3_functor(v);return chord};chord.startAngle=function(v){if(!arguments.length)return startAngle;startAngle=d3_functor(v);return chord};chord.endAngle=function(v){if(!arguments.length)return endAngle;endAngle=d3_functor(v);return chord};return chord};function d3_svg_chordRadius(d){return d.radius}d3.svg.diagonal=function(){var source=d3_source,target=d3_target,projection=d3_svg_diagonalProjection;function diagonal(d,i){var p0=source.call(this,d,i),p3=target.call(this,d,i),m=(p0.y+p3.y)/2,p=[p0,{x:p0.x,y:m},{x:p3.x,y:m},p3];p=p.map(projection);return"M"+p[0]+"C"+p[1]+" "+p[2]+" "+p[3]}diagonal.source=function(x){if(!arguments.length)return source;source=d3_functor(x);return diagonal};diagonal.target=function(x){if(!arguments.length)return target;target=d3_functor(x);return diagonal};diagonal.projection=function(x){if(!arguments.length)return projection;projection=x;return diagonal};return diagonal};function d3_svg_diagonalProjection(d){return[d.x,d.y]}d3.svg.diagonal.radial=function(){var diagonal=d3.svg.diagonal(),projection=d3_svg_diagonalProjection,projection_=diagonal.projection;diagonal.projection=function(x){return arguments.length?projection_(d3_svg_diagonalRadialProjection(projection=x)):projection};return diagonal};function d3_svg_diagonalRadialProjection(projection){return function(){var d=projection.apply(this,arguments),r=d[0],a=d[1]+d3_svg_arcOffset;return[r*Math.cos(a),r*Math.sin(a)]}}d3.svg.symbol=function(){var type=d3_svg_symbolType,size=d3_svg_symbolSize;function symbol(d,i){return(d3_svg_symbols.get(type.call(this,d,i))||d3_svg_symbolCircle)(size.call(this,d,i))}symbol.type=function(x){if(!arguments.length)return type;type=d3_functor(x);return symbol};symbol.size=function(x){if(!arguments.length)return size;size=d3_functor(x);return symbol};return symbol};function d3_svg_symbolSize(){return 64}function d3_svg_symbolType(){return"circle"}function d3_svg_symbolCircle(size){var r=Math.sqrt(size/π);return"M0,"+r+"A"+r+","+r+" 0 1,1 0,"+-r+"A"+r+","+r+" 0 1,1 0,"+r+"Z"}var d3_svg_symbols=d3.map({circle:d3_svg_symbolCircle,cross:function(size){var r=Math.sqrt(size/5)/2;return"M"+-3*r+","+-r+"H"+-r+"V"+-3*r+"H"+r+"V"+-r+"H"+3*r+"V"+r+"H"+r+"V"+3*r+"H"+-r+"V"+r+"H"+-3*r+"Z"},diamond:function(size){var ry=Math.sqrt(size/(2*d3_svg_symbolTan30)),rx=ry*d3_svg_symbolTan30;return"M0,"+-ry+"L"+rx+",0"+" 0,"+ry+" "+-rx+",0"+"Z"},square:function(size){var r=Math.sqrt(size)/2;return"M"+-r+","+-r+"L"+r+","+-r+" "+r+","+r+" "+-r+","+r+"Z"},"triangle-down":function(size){var rx=Math.sqrt(size/d3_svg_symbolSqrt3),ry=rx*d3_svg_symbolSqrt3/2;return"M0,"+ry+"L"+rx+","+-ry+" "+-rx+","+-ry+"Z"},"triangle-up":function(size){var rx=Math.sqrt(size/d3_svg_symbolSqrt3),ry=rx*d3_svg_symbolSqrt3/2;return"M0,"+-ry+"L"+rx+","+ry+" "+-rx+","+ry+"Z"}});d3.svg.symbolTypes=d3_svg_symbols.keys();var d3_svg_symbolSqrt3=Math.sqrt(3),d3_svg_symbolTan30=Math.tan(30*d3_radians);function d3_transition(groups,id){d3_subclass(groups,d3_transitionPrototype);groups.id=id;return groups}var d3_transitionPrototype=[],d3_transitionId=0,d3_transitionInheritId,d3_transitionInherit;d3_transitionPrototype.call=d3_selectionPrototype.call;d3_transitionPrototype.empty=d3_selectionPrototype.empty;d3_transitionPrototype.node=d3_selectionPrototype.node;d3_transitionPrototype.size=d3_selectionPrototype.size;d3.transition=function(selection){return arguments.length?d3_transitionInheritId?selection.transition():selection:d3_selectionRoot.transition()};d3.transition.prototype=d3_transitionPrototype;d3_transitionPrototype.select=function(selector){var id=this.id,subgroups=[],subgroup,subnode,node;selector=d3_selection_selector(selector);for(var j=-1,m=this.length;++j<m;){subgroups.push(subgroup=[]);for(var group=this[j],i=-1,n=group.length;++i<n;){if((node=group[i])&&(subnode=selector.call(node,node.__data__,i,j))){if("__data__"in node)subnode.__data__=node.__data__;d3_transitionNode(subnode,i,id,node.__transition__[id]);subgroup.push(subnode)}else{subgroup.push(null)}}}return d3_transition(subgroups,id)};d3_transitionPrototype.selectAll=function(selector){var id=this.id,subgroups=[],subgroup,subnodes,node,subnode,transition;selector=d3_selection_selectorAll(selector);for(var j=-1,m=this.length;++j<m;){for(var group=this[j],i=-1,n=group.length;++i<n;){if(node=group[i]){transition=node.__transition__[id];subnodes=selector.call(node,node.__data__,i,j);subgroups.push(subgroup=[]);for(var k=-1,o=subnodes.length;++k<o;){if(subnode=subnodes[k])d3_transitionNode(subnode,k,id,transition);subgroup.push(subnode)}}}}return d3_transition(subgroups,id)};d3_transitionPrototype.filter=function(filter){var subgroups=[],subgroup,group,node;if(typeof filter!=="function")filter=d3_selection_filter(filter);for(var j=0,m=this.length;j<m;j++){subgroups.push(subgroup=[]);for(var group=this[j],i=0,n=group.length;i<n;i++){if((node=group[i])&&filter.call(node,node.__data__,i,j)){subgroup.push(node)}}}return d3_transition(subgroups,this.id)};d3_transitionPrototype.tween=function(name,tween){var id=this.id;if(arguments.length<2)return this.node().__transition__[id].tween.get(name);return d3_selection_each(this,tween==null?function(node){node.__transition__[id].tween.remove(name)}:function(node){node.__transition__[id].tween.set(name,tween)})};function d3_transition_tween(groups,name,value,tween){var id=groups.id;return d3_selection_each(groups,typeof value==="function"?function(node,i,j){node.__transition__[id].tween.set(name,tween(value.call(node,node.__data__,i,j)))}:(value=tween(value),function(node){node.__transition__[id].tween.set(name,value)}))}d3_transitionPrototype.attr=function(nameNS,value){if(arguments.length<2){for(value in nameNS)this.attr(value,nameNS[value]);return this}var interpolate=nameNS=="transform"?d3_interpolateTransform:d3_interpolate,name=d3.ns.qualify(nameNS);function attrNull(){this.removeAttribute(name)}function attrNullNS(){this.removeAttributeNS(name.space,name.local)}function attrTween(b){return b==null?attrNull:(b+="",function(){var a=this.getAttribute(name),i;return a!==b&&(i=interpolate(a,b),function(t){this.setAttribute(name,i(t))})})}function attrTweenNS(b){return b==null?attrNullNS:(b+="",function(){var a=this.getAttributeNS(name.space,name.local),i;return a!==b&&(i=interpolate(a,b),function(t){this.setAttributeNS(name.space,name.local,i(t))})})}return d3_transition_tween(this,"attr."+nameNS,value,name.local?attrTweenNS:attrTween)};d3_transitionPrototype.attrTween=function(nameNS,tween){var name=d3.ns.qualify(nameNS);function attrTween(d,i){var f=tween.call(this,d,i,this.getAttribute(name));return f&&function(t){this.setAttribute(name,f(t))}}function attrTweenNS(d,i){var f=tween.call(this,d,i,this.getAttributeNS(name.space,name.local));return f&&function(t){this.setAttributeNS(name.space,name.local,f(t))}}return this.tween("attr."+nameNS,name.local?attrTweenNS:attrTween)};d3_transitionPrototype.style=function(name,value,priority){var n=arguments.length;if(n<3){if(typeof name!=="string"){if(n<2)value="";for(priority in name)this.style(priority,name[priority],value);return this}priority=""}function styleNull(){this.style.removeProperty(name)}function styleString(b){return b==null?styleNull:(b+="",function(){var a=d3_window.getComputedStyle(this,null).getPropertyValue(name),i;return a!==b&&(i=d3_interpolate(a,b),function(t){this.style.setProperty(name,i(t),priority)})})}return d3_transition_tween(this,"style."+name,value,styleString)};d3_transitionPrototype.styleTween=function(name,tween,priority){if(arguments.length<3)priority="";function styleTween(d,i){var f=tween.call(this,d,i,d3_window.getComputedStyle(this,null).getPropertyValue(name));return f&&function(t){this.style.setProperty(name,f(t),priority)}}return this.tween("style."+name,styleTween)};d3_transitionPrototype.text=function(value){return d3_transition_tween(this,"text",value,d3_transition_text)};function d3_transition_text(b){if(b==null)b="";return function(){this.textContent=b}}d3_transitionPrototype.remove=function(){return this.each("end.transition",function(){var p;if(this.__transition__.count<2&&(p=this.parentNode))p.removeChild(this)})};d3_transitionPrototype.ease=function(value){var id=this.id;if(arguments.length<1)return this.node().__transition__[id].ease;if(typeof value!=="function")value=d3.ease.apply(d3,arguments);return d3_selection_each(this,function(node){node.__transition__[id].ease=value})};d3_transitionPrototype.delay=function(value){var id=this.id;if(arguments.length<1)return this.node().__transition__[id].delay;return d3_selection_each(this,typeof value==="function"?function(node,i,j){node.__transition__[id].delay=+value.call(node,node.__data__,i,j)}:(value=+value,function(node){node.__transition__[id].delay=value}))};d3_transitionPrototype.duration=function(value){var id=this.id;if(arguments.length<1)return this.node().__transition__[id].duration;return d3_selection_each(this,typeof value==="function"?function(node,i,j){node.__transition__[id].duration=Math.max(1,value.call(node,node.__data__,i,j))}:(value=Math.max(1,value),function(node){node.__transition__[id].duration=value}))};d3_transitionPrototype.each=function(type,listener){var id=this.id;if(arguments.length<2){var inherit=d3_transitionInherit,inheritId=d3_transitionInheritId;d3_transitionInheritId=id;d3_selection_each(this,function(node,i,j){d3_transitionInherit=node.__transition__[id];type.call(node,node.__data__,i,j)});d3_transitionInherit=inherit;d3_transitionInheritId=inheritId}else{d3_selection_each(this,function(node){var transition=node.__transition__[id];(transition.event||(transition.event=d3.dispatch("start","end"))).on(type,listener)})}return this};d3_transitionPrototype.transition=function(){var id0=this.id,id1=++d3_transitionId,subgroups=[],subgroup,group,node,transition;for(var j=0,m=this.length;j<m;j++){subgroups.push(subgroup=[]);for(var group=this[j],i=0,n=group.length;i<n;i++){if(node=group[i]){transition=Object.create(node.__transition__[id0]);transition.delay+=transition.duration;d3_transitionNode(node,i,id1,transition)}subgroup.push(node)}}return d3_transition(subgroups,id1)};function d3_transitionNode(node,i,id,inherit){var lock=node.__transition__||(node.__transition__={active:0,count:0}),transition=lock[id];if(!transition){var time=inherit.time;transition=lock[id]={tween:new d3_Map,time:time,ease:inherit.ease,delay:inherit.delay,duration:inherit.duration};++lock.count;d3.timer(function(elapsed){var d=node.__data__,ease=transition.ease,delay=transition.delay,duration=transition.duration,timer=d3_timer_active,tweened=[];timer.t=delay+time;if(delay<=elapsed)return start(elapsed-delay);timer.c=start;function start(elapsed){if(lock.active>id)return stop();lock.active=id;transition.event&&transition.event.start.call(node,d,i);transition.tween.forEach(function(key,value){if(value=value.call(node,d,i)){tweened.push(value)}});d3.timer(function(){timer.c=tick(elapsed||1)?d3_true:tick;return 1},0,time)}function tick(elapsed){if(lock.active!==id)return stop();var t=elapsed/duration,e=ease(t),n=tweened.length;while(n>0){tweened[--n].call(node,e)}if(t>=1){transition.event&&transition.event.end.call(node,d,i);return stop()}}function stop(){if(--lock.count)delete lock[id];else delete node.__transition__;return 1}},0,time)}}d3.svg.axis=function(){var scale=d3.scale.linear(),orient=d3_svg_axisDefaultOrient,innerTickSize=6,outerTickSize=6,tickPadding=3,tickArguments_=[10],tickValues=null,tickFormat_;function axis(g){g.each(function(){var g=d3.select(this);var scale0=this.__chart__||scale,scale1=this.__chart__=scale.copy();var ticks=tickValues==null?scale1.ticks?scale1.ticks.apply(scale1,tickArguments_):scale1.domain():tickValues,tickFormat=tickFormat_==null?scale1.tickFormat?scale1.tickFormat.apply(scale1,tickArguments_):d3_identity:tickFormat_,tick=g.selectAll(".tick").data(ticks,scale1),tickEnter=tick.enter().insert("g",".domain").attr("class","tick").style("opacity",ε),tickExit=d3.transition(tick.exit()).style("opacity",ε).remove(),tickUpdate=d3.transition(tick.order()).style("opacity",1),tickTransform;var range=d3_scaleRange(scale1),path=g.selectAll(".domain").data([0]),pathUpdate=(path.enter().append("path").attr("class","domain"),d3.transition(path));tickEnter.append("line");tickEnter.append("text");var lineEnter=tickEnter.select("line"),lineUpdate=tickUpdate.select("line"),text=tick.select("text").text(tickFormat),textEnter=tickEnter.select("text"),textUpdate=tickUpdate.select("text");switch(orient){case"bottom":{tickTransform=d3_svg_axisX;lineEnter.attr("y2",innerTickSize);textEnter.attr("y",Math.max(innerTickSize,0)+tickPadding);lineUpdate.attr("x2",0).attr("y2",innerTickSize);textUpdate.attr("x",0).attr("y",Math.max(innerTickSize,0)+tickPadding);text.attr("dy",".71em").style("text-anchor","middle");pathUpdate.attr("d","M"+range[0]+","+outerTickSize+"V0H"+range[1]+"V"+outerTickSize);break}case"top":{tickTransform=d3_svg_axisX;lineEnter.attr("y2",-innerTickSize);textEnter.attr("y",-(Math.max(innerTickSize,0)+tickPadding));lineUpdate.attr("x2",0).attr("y2",-innerTickSize);textUpdate.attr("x",0).attr("y",-(Math.max(innerTickSize,0)+tickPadding));text.attr("dy","0em").style("text-anchor","middle");pathUpdate.attr("d","M"+range[0]+","+-outerTickSize+"V0H"+range[1]+"V"+-outerTickSize);break}case"left":{tickTransform=d3_svg_axisY;lineEnter.attr("x2",-innerTickSize);textEnter.attr("x",-(Math.max(innerTickSize,0)+tickPadding));lineUpdate.attr("x2",-innerTickSize).attr("y2",0);textUpdate.attr("x",-(Math.max(innerTickSize,0)+tickPadding)).attr("y",0);text.attr("dy",".32em").style("text-anchor","end");pathUpdate.attr("d","M"+-outerTickSize+","+range[0]+"H0V"+range[1]+"H"+-outerTickSize);break}case"right":{tickTransform=d3_svg_axisY;lineEnter.attr("x2",innerTickSize);textEnter.attr("x",Math.max(innerTickSize,0)+tickPadding);lineUpdate.attr("x2",innerTickSize).attr("y2",0);textUpdate.attr("x",Math.max(innerTickSize,0)+tickPadding).attr("y",0);text.attr("dy",".32em").style("text-anchor","start");pathUpdate.attr("d","M"+outerTickSize+","+range[0]+"H0V"+range[1]+"H"+outerTickSize);break}}if(scale1.rangeBand){var x=scale1,dx=x.rangeBand()/2;scale0=scale1=function(d){return x(d)+dx}}else if(scale0.rangeBand){scale0=scale1}else{tickExit.call(tickTransform,scale1)}tickEnter.call(tickTransform,scale0);tickUpdate.call(tickTransform,scale1)})}axis.scale=function(x){if(!arguments.length)return scale;scale=x;return axis};axis.orient=function(x){if(!arguments.length)return orient;orient=x in d3_svg_axisOrients?x+"":d3_svg_axisDefaultOrient;return axis};axis.ticks=function(){if(!arguments.length)return tickArguments_;tickArguments_=arguments;return axis};axis.tickValues=function(x){if(!arguments.length)return tickValues;tickValues=x;return axis};axis.tickFormat=function(x){if(!arguments.length)return tickFormat_;tickFormat_=x;return axis};axis.tickSize=function(x){var n=arguments.length;if(!n)return innerTickSize;innerTickSize=+x;outerTickSize=+arguments[n-1];return axis};axis.innerTickSize=function(x){if(!arguments.length)return innerTickSize;innerTickSize=+x;return axis};axis.outerTickSize=function(x){if(!arguments.length)return outerTickSize;outerTickSize=+x;return axis};axis.tickPadding=function(x){if(!arguments.length)return tickPadding;tickPadding=+x;return axis};axis.tickSubdivide=function(){return arguments.length&&axis};return axis};var d3_svg_axisDefaultOrient="bottom",d3_svg_axisOrients={top:1,right:1,bottom:1,left:1};function d3_svg_axisX(selection,x){selection.attr("transform",function(d){return"translate("+x(d)+",0)"})}function d3_svg_axisY(selection,y){selection.attr("transform",function(d){return"translate(0,"+y(d)+")"})}d3.svg.brush=function(){var event=d3_eventDispatch(brush,"brushstart","brush","brushend"),x=null,y=null,xExtent=[0,0],yExtent=[0,0],xExtentDomain,yExtentDomain,xClamp=true,yClamp=true,resizes=d3_svg_brushResizes[0];function brush(g){g.each(function(){var g=d3.select(this).style("pointer-events","all").style("-webkit-tap-highlight-color","rgba(0,0,0,0)").on("mousedown.brush",brushstart).on("touchstart.brush",brushstart);var background=g.selectAll(".background").data([0]);background.enter().append("rect").attr("class","background").style("visibility","hidden").style("cursor","crosshair");g.selectAll(".extent").data([0]).enter().append("rect").attr("class","extent").style("cursor","move");var resize=g.selectAll(".resize").data(resizes,d3_identity);resize.exit().remove();resize.enter().append("g").attr("class",function(d){return"resize "+d}).style("cursor",function(d){return d3_svg_brushCursor[d]}).append("rect").attr("x",function(d){return/[ew]$/.test(d)?-3:null}).attr("y",function(d){return/^[ns]/.test(d)?-3:null}).attr("width",6).attr("height",6).style("visibility","hidden");resize.style("display",brush.empty()?"none":null);var gUpdate=d3.transition(g),backgroundUpdate=d3.transition(background),range;if(x){range=d3_scaleRange(x);backgroundUpdate.attr("x",range[0]).attr("width",range[1]-range[0]);redrawX(gUpdate)}if(y){range=d3_scaleRange(y);backgroundUpdate.attr("y",range[0]).attr("height",range[1]-range[0]);redrawY(gUpdate)}redraw(gUpdate)})}brush.event=function(g){g.each(function(){var event_=event.of(this,arguments),extent1={x:xExtent,y:yExtent,i:xExtentDomain,j:yExtentDomain},extent0=this.__chart__||extent1;this.__chart__=extent1;if(d3_transitionInheritId){d3.select(this).transition().each("start.brush",function(){xExtentDomain=extent0.i;yExtentDomain=extent0.j;xExtent=extent0.x;yExtent=extent0.y;event_({type:"brushstart"})}).tween("brush:brush",function(){var xi=d3_interpolateArray(xExtent,extent1.x),yi=d3_interpolateArray(yExtent,extent1.y);xExtentDomain=yExtentDomain=null;return function(t){xExtent=extent1.x=xi(t);yExtent=extent1.y=yi(t);event_({type:"brush",mode:"resize"})}}).each("end.brush",function(){xExtentDomain=extent1.i;yExtentDomain=extent1.j;event_({type:"brush",mode:"resize"});event_({type:"brushend"})})}else{event_({type:"brushstart"});event_({type:"brush",mode:"resize"});event_({type:"brushend"})}})};function redraw(g){g.selectAll(".resize").attr("transform",function(d){return"translate("+xExtent[+/e$/.test(d)]+","+yExtent[+/^s/.test(d)]+")"})}function redrawX(g){g.select(".extent").attr("x",xExtent[0]);g.selectAll(".extent,.n>rect,.s>rect").attr("width",xExtent[1]-xExtent[0])}function redrawY(g){g.select(".extent").attr("y",yExtent[0]);g.selectAll(".extent,.e>rect,.w>rect").attr("height",yExtent[1]-yExtent[0])}function brushstart(){var target=this,eventTarget=d3.select(d3.event.target),event_=event.of(target,arguments),g=d3.select(target),resizing=eventTarget.datum(),resizingX=!/^(n|s)$/.test(resizing)&&x,resizingY=!/^(e|w)$/.test(resizing)&&y,dragging=eventTarget.classed("extent"),dragRestore=d3_event_dragSuppress(),center,origin=d3.mouse(target),offset;var w=d3.select(d3_window).on("keydown.brush",keydown).on("keyup.brush",keyup);if(d3.event.changedTouches){w.on("touchmove.brush",brushmove).on("touchend.brush",brushend)}else{w.on("mousemove.brush",brushmove).on("mouseup.brush",brushend)}g.interrupt().selectAll("*").interrupt();if(dragging){origin[0]=xExtent[0]-origin[0];origin[1]=yExtent[0]-origin[1]}else if(resizing){var ex=+/w$/.test(resizing),ey=+/^n/.test(resizing);offset=[xExtent[1-ex]-origin[0],yExtent[1-ey]-origin[1]];origin[0]=xExtent[ex];origin[1]=yExtent[ey]}else if(d3.event.altKey)center=origin.slice();g.style("pointer-events","none").selectAll(".resize").style("display",null);d3.select("body").style("cursor",eventTarget.style("cursor"));event_({type:"brushstart"});brushmove();function keydown(){if(d3.event.keyCode==32){if(!dragging){center=null;origin[0]-=xExtent[1];origin[1]-=yExtent[1];dragging=2}d3_eventPreventDefault()}}function keyup(){if(d3.event.keyCode==32&&dragging==2){origin[0]+=xExtent[1];origin[1]+=yExtent[1];dragging=0;d3_eventPreventDefault()}}function brushmove(){var point=d3.mouse(target),moved=false;if(offset){point[0]+=offset[0];point[1]+=offset[1]}if(!dragging){if(d3.event.altKey){if(!center)center=[(xExtent[0]+xExtent[1])/2,(yExtent[0]+yExtent[1])/2];origin[0]=xExtent[+(point[0]<center[0])];origin[1]=yExtent[+(point[1]<center[1])]}else center=null}if(resizingX&&move1(point,x,0)){redrawX(g);moved=true}if(resizingY&&move1(point,y,1)){redrawY(g);moved=true}if(moved){redraw(g);event_({type:"brush",mode:dragging?"move":"resize"})}}function move1(point,scale,i){var range=d3_scaleRange(scale),r0=range[0],r1=range[1],position=origin[i],extent=i?yExtent:xExtent,size=extent[1]-extent[0],min,max;if(dragging){r0-=position;r1-=size+position}min=(i?yClamp:xClamp)?Math.max(r0,Math.min(r1,point[i])):point[i];if(dragging){max=(min+=position)+size}else{if(center)position=Math.max(r0,Math.min(r1,2*center[i]-min));if(position<min){max=min;min=position}else{max=position}}if(extent[0]!=min||extent[1]!=max){if(i)yExtentDomain=null;else xExtentDomain=null;extent[0]=min;extent[1]=max;return true}}function brushend(){brushmove();g.style("pointer-events","all").selectAll(".resize").style("display",brush.empty()?"none":null);d3.select("body").style("cursor",null);w.on("mousemove.brush",null).on("mouseup.brush",null).on("touchmove.brush",null).on("touchend.brush",null).on("keydown.brush",null).on("keyup.brush",null);dragRestore();event_({type:"brushend"})}}brush.x=function(z){if(!arguments.length)return x;x=z;resizes=d3_svg_brushResizes[!x<<1|!y];return brush};brush.y=function(z){if(!arguments.length)return y;y=z;resizes=d3_svg_brushResizes[!x<<1|!y];return brush};brush.clamp=function(z){if(!arguments.length)return x&&y?[xClamp,yClamp]:x?xClamp:y?yClamp:null;if(x&&y)xClamp=!!z[0],yClamp=!!z[1];else if(x)xClamp=!!z;else if(y)yClamp=!!z;return brush};brush.extent=function(z){var x0,x1,y0,y1,t;if(!arguments.length){if(x){if(xExtentDomain){x0=xExtentDomain[0],x1=xExtentDomain[1]}else{x0=xExtent[0],x1=xExtent[1];if(x.invert)x0=x.invert(x0),x1=x.invert(x1);if(x1<x0)t=x0,x0=x1,x1=t}}if(y){if(yExtentDomain){y0=yExtentDomain[0],y1=yExtentDomain[1]}else{y0=yExtent[0],y1=yExtent[1];if(y.invert)y0=y.invert(y0),y1=y.invert(y1);if(y1<y0)t=y0,y0=y1,y1=t}}return x&&y?[[x0,y0],[x1,y1]]:x?[x0,x1]:y&&[y0,y1]}if(x){x0=z[0],x1=z[1];if(y)x0=x0[0],x1=x1[0];xExtentDomain=[x0,x1];if(x.invert)x0=x(x0),x1=x(x1);if(x1<x0)t=x0,x0=x1,x1=t;if(x0!=xExtent[0]||x1!=xExtent[1])xExtent=[x0,x1]}if(y){y0=z[0],y1=z[1];if(x)y0=y0[1],y1=y1[1];yExtentDomain=[y0,y1];if(y.invert)y0=y(y0),y1=y(y1);if(y1<y0)t=y0,y0=y1,y1=t;if(y0!=yExtent[0]||y1!=yExtent[1])yExtent=[y0,y1]}return brush};brush.clear=function(){if(!brush.empty()){xExtent=[0,0],yExtent=[0,0];xExtentDomain=yExtentDomain=null}return brush};brush.empty=function(){return!!x&&xExtent[0]==xExtent[1]||!!y&&yExtent[0]==yExtent[1]};return d3.rebind(brush,event,"on")};var d3_svg_brushCursor={n:"ns-resize",e:"ew-resize",s:"ns-resize",w:"ew-resize",nw:"nwse-resize",ne:"nesw-resize",se:"nwse-resize",sw:"nesw-resize"};var d3_svg_brushResizes=[["n","e","s","w","nw","ne","se","sw"],["e","w"],["n","s"],[]];var d3_time_format=d3_time.format=d3_locale_enUS.timeFormat;var d3_time_formatUtc=d3_time_format.utc;var d3_time_formatIso=d3_time_formatUtc("%Y-%m-%dT%H:%M:%S.%LZ");d3_time_format.iso=Date.prototype.toISOString&&+new Date("2000-01-01T00:00:00.000Z")?d3_time_formatIsoNative:d3_time_formatIso;function d3_time_formatIsoNative(date){return date.toISOString()}d3_time_formatIsoNative.parse=function(string){var date=new Date(string);return isNaN(date)?null:date};d3_time_formatIsoNative.toString=d3_time_formatIso.toString;d3_time.second=d3_time_interval(function(date){return new d3_date(Math.floor(date/1e3)*1e3)},function(date,offset){date.setTime(date.getTime()+Math.floor(offset)*1e3)},function(date){return date.getSeconds()});d3_time.seconds=d3_time.second.range;d3_time.seconds.utc=d3_time.second.utc.range;d3_time.minute=d3_time_interval(function(date){return new d3_date(Math.floor(date/6e4)*6e4)},function(date,offset){date.setTime(date.getTime()+Math.floor(offset)*6e4)},function(date){return date.getMinutes()});d3_time.minutes=d3_time.minute.range;d3_time.minutes.utc=d3_time.minute.utc.range;d3_time.hour=d3_time_interval(function(date){var timezone=date.getTimezoneOffset()/60;return new d3_date((Math.floor(date/36e5-timezone)+timezone)*36e5)},function(date,offset){date.setTime(date.getTime()+Math.floor(offset)*36e5)},function(date){return date.getHours()});d3_time.hours=d3_time.hour.range;d3_time.hours.utc=d3_time.hour.utc.range;d3_time.month=d3_time_interval(function(date){date=d3_time.day(date);date.setDate(1);return date},function(date,offset){date.setMonth(date.getMonth()+offset)},function(date){return date.getMonth()});d3_time.months=d3_time.month.range;d3_time.months.utc=d3_time.month.utc.range;function d3_time_scale(linear,methods,format){function scale(x){return linear(x)}scale.invert=function(x){return d3_time_scaleDate(linear.invert(x))};scale.domain=function(x){if(!arguments.length)return linear.domain().map(d3_time_scaleDate);linear.domain(x);return scale};function tickMethod(extent,count){var span=extent[1]-extent[0],target=span/count,i=d3.bisect(d3_time_scaleSteps,target);return i==d3_time_scaleSteps.length?[methods.year,d3_scale_linearTickRange(extent.map(function(d){return d/31536e6}),count)[2]]:!i?[d3_time_scaleMilliseconds,d3_scale_linearTickRange(extent,count)[2]]:methods[target/d3_time_scaleSteps[i-1]<d3_time_scaleSteps[i]/target?i-1:i]}scale.nice=function(interval,skip){var domain=scale.domain(),extent=d3_scaleExtent(domain),method=interval==null?tickMethod(extent,10):typeof interval==="number"&&tickMethod(extent,interval);if(method)interval=method[0],skip=method[1];function skipped(date){return!isNaN(date)&&!interval.range(date,d3_time_scaleDate(+date+1),skip).length}return scale.domain(d3_scale_nice(domain,skip>1?{floor:function(date){while(skipped(date=interval.floor(date)))date=d3_time_scaleDate(date-1);return date},ceil:function(date){while(skipped(date=interval.ceil(date)))date=d3_time_scaleDate(+date+1);return date}}:interval))};scale.ticks=function(interval,skip){var extent=d3_scaleExtent(scale.domain()),method=interval==null?tickMethod(extent,10):typeof interval==="number"?tickMethod(extent,interval):!interval.range&&[{range:interval},skip];if(method)interval=method[0],skip=method[1];return interval.range(extent[0],d3_time_scaleDate(+extent[1]+1),skip<1?1:skip)};scale.tickFormat=function(){return format};scale.copy=function(){return d3_time_scale(linear.copy(),methods,format)};return d3_scale_linearRebind(scale,linear)}function d3_time_scaleDate(t){return new Date(t)}var d3_time_scaleSteps=[1e3,5e3,15e3,3e4,6e4,3e5,9e5,18e5,36e5,108e5,216e5,432e5,864e5,1728e5,6048e5,2592e6,7776e6,31536e6];var d3_time_scaleLocalMethods=[[d3_time.second,1],[d3_time.second,5],[d3_time.second,15],[d3_time.second,30],[d3_time.minute,1],[d3_time.minute,5],[d3_time.minute,15],[d3_time.minute,30],[d3_time.hour,1],[d3_time.hour,3],[d3_time.hour,6],[d3_time.hour,12],[d3_time.day,1],[d3_time.day,2],[d3_time.week,1],[d3_time.month,1],[d3_time.month,3],[d3_time.year,1]];var d3_time_scaleLocalFormat=d3_time_format.multi([[".%L",function(d){return d.getMilliseconds()}],[":%S",function(d){return d.getSeconds()}],["%I:%M",function(d){return d.getMinutes()}],["%I %p",function(d){return d.getHours()}],["%a %d",function(d){return d.getDay()&&d.getDate()!=1}],["%b %d",function(d){return d.getDate()!=1}],["%B",function(d){return d.getMonth()}],["%Y",d3_true]]);var d3_time_scaleMilliseconds={range:function(start,stop,step){return d3.range(Math.ceil(start/step)*step,+stop,step).map(d3_time_scaleDate)},floor:d3_identity,ceil:d3_identity};d3_time_scaleLocalMethods.year=d3_time.year;d3_time.scale=function(){return d3_time_scale(d3.scale.linear(),d3_time_scaleLocalMethods,d3_time_scaleLocalFormat)};var d3_time_scaleUtcMethods=d3_time_scaleLocalMethods.map(function(m){return[m[0].utc,m[1]]});var d3_time_scaleUtcFormat=d3_time_formatUtc.multi([[".%L",function(d){return d.getUTCMilliseconds()}],[":%S",function(d){return d.getUTCSeconds()}],["%I:%M",function(d){return d.getUTCMinutes()}],["%I %p",function(d){return d.getUTCHours()}],["%a %d",function(d){return d.getUTCDay()&&d.getUTCDate()!=1}],["%b %d",function(d){return d.getUTCDate()!=1}],["%B",function(d){return d.getUTCMonth()}],["%Y",d3_true]]);d3_time_scaleUtcMethods.year=d3_time.year.utc;d3_time.scale.utc=function(){return d3_time_scale(d3.scale.linear(),d3_time_scaleUtcMethods,d3_time_scaleUtcFormat)};d3.text=d3_xhrType(function(request){return request.responseText});d3.json=function(url,callback){return d3_xhr(url,"application/json",d3_json,callback)};function d3_json(request){return JSON.parse(request.responseText)}d3.html=function(url,callback){return d3_xhr(url,"text/html",d3_html,callback)};function d3_html(request){var range=d3_document.createRange();range.selectNode(d3_document.body);return range.createContextualFragment(request.responseText)}d3.xml=d3_xhrType(function(request){return request.responseXML});if(typeof define==="function"&&define.amd){define(d3)}else if(typeof module==="object"&&module.exports){module.exports=d3}else{this.d3=d3}}()},{}],d3:[function(require,module,exports){module.exports=require("Ub4Hh8")},{}]},{},[]);var line=require("test-linestring");var domify=require("domify");var d3=require("d3");var buffer=require("turf-buffer");var lineBuffer=buffer(line,.5,"miles");d3.select("body").append("div").text(JSON.stringify(lineBuffer));

package.json

{
  "name": "requirebin-sketch",
  "version": "1.0.0",
  "dependencies": {
    "test-linestring": "0.0.1",
    "turf-buffer": "0.0.2",
    "domify": "1.2.2",
    "d3": "3.4.8"
  }
}

page-head.html

<style type='text/css'>html, body { margin: 0; padding: 0; border: 0; }
body, html { height: 100%; width: 100%; }</style>

requirebin.md

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