Last active
August 29, 2015 14:23
-
-
Save shimizu/8a32984c6813137069c2 to your computer and use it in GitHub Desktop.
地球儀 - 針金細工
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| html, body { | |
| margin: 0px; | |
| padding: 0px; | |
| } | |
| </style> | |
| <body> | |
| <svg width="960" height="600"> | |
| <defs> | |
| <filter id="MyFilter" filterUnits="userSpaceOnUse" x="0" y="0" width="960" height="500"> | |
| <feGaussianBlur in="SourceAlpha" stdDeviation="4" result="blur" /> | |
| <feOffset in="blur" dx="4" dy="4" result="offsetBlur" /> | |
| <feSpecularLighting in="blur" surfaceScale="5" specularConstant=".75" specularExponent="20" lighting-color="#bbbbbb" result="specOut"> | |
| <fePointLight x="-5000" y="-10000" z="20000" /> | |
| </feSpecularLighting> | |
| <feComposite in="specOut" in2="SourceAlpha" operator="in" result="specOut" /> | |
| <feComposite in="SourceGraphic" in2="specOut" operator="arithmetic" k1="0" k2="1" k3="1" k4="0" result="litPaint" /> | |
| <feMerge> | |
| <feMergeNode in="offsetBlur" /> | |
| <feMergeNode in="litPaint" /> | |
| </feMerge> | |
| </filter> | |
| </defs> | |
| <rect x="1" y="1" width="960" height="600" fill="#fff" /> | |
| </svg> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.3/d3.js"></script> | |
| <script> | |
| (function(){ | |
| "use strict"; | |
| var w = 960; | |
| var h = 500; | |
| var svg = d3.select("svg").attr("width", w).attr("height", h); | |
| var projection = d3.geo.orthographic() | |
| .scale(245) | |
| .rotate([0,0,0]) | |
| .translate([w / 2, h / 2]) | |
| .clipAngle(180); | |
| var path = d3.geo.path().projection(projection); | |
| d3.json("https://gist.githubusercontent.com/shimizu/97c156f7f9137586f784/raw/4be1053346fa88d448c2290c49689634c8102b0a/Landmasses.geojson", function(geojson){ | |
| var stage = svg.append("svg:g").attr("filter", "url(#MyFilter)"); | |
| var map = stage.append("svg:path") | |
| .attr({ | |
| "d":function(){ return path(geojson)}, | |
| "fill":"none", | |
| "stroke-width":4, | |
| "stroke":"gray", | |
| }); | |
| // Reference from http://bl.ocks.org/mbostock/6738360 | |
| var m0, o0; | |
| var update = function(){ | |
| map.attr("d", function(){ return path(geojson)}); | |
| } | |
| var mousedown = function () { | |
| m0 = [d3.event.pageX, d3.event.pageY]; | |
| o0 = projection.rotate(); | |
| d3.event.preventDefault(); | |
| } | |
| var mousemove = function () { | |
| if (m0) { | |
| var m1 = [d3.event.pageX, d3.event.pageY]; | |
| var o1 = [o0[0] + (m1[0] - m0[0]) / 6, o0[1] + (m0[1] - m1[1]) / 6]; | |
| o1[1] = o1[1] > 30 ? 30 : | |
| o1[1] < -30 ? -30 : | |
| o1[1]; | |
| projection.rotate(o1); | |
| update(); | |
| } | |
| } | |
| var mouseup = function () { | |
| if (m0) { | |
| mousemove(); | |
| m0 = null; | |
| } | |
| } | |
| d3.select(window) | |
| .on("mousemove", mousemove) | |
| .on("mouseup", mouseup); | |
| svg.on("mousedown", mousedown); | |
| }); | |
| })(); | |
| </script> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment