Created
August 8, 2017 17:33
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JS Bin Map with Schools sized Num Students // source http://jsbin.com/casuvat
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta name="description" content="Map with Schools sized Num Students"> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/4.2.3/d3.min.js"></script> | |
| <meta charset="utf-8"> | |
| <meta name="viewport" content="width=device-width"> | |
| <title>JS Bin</title> | |
| <style id="jsbin-css"> | |
| path | |
| fill: #ccc | |
| </style> | |
| </head> | |
| <body> | |
| <div id="map" style="width: 600px; height: 600px;"> | |
| <svg width="600" height="600"> | |
| <g class="background"></g> | |
| <g class="overlay"></g> | |
| </svg> | |
| </div> | |
| <script id="jsbin-javascript"> | |
| var projection = d3.geoAlbers(); | |
| var geoGenerator = d3.geoPath() | |
| .projection(projection); | |
| var circle = d3.geoCircle().radius(5);//.center([0.1278, 51.5074]).radius(5) | |
| var map = d3.select('#map g.background'); | |
| var overlay = d3.select('#map g.overlay'); | |
| var q = d3.queue(); | |
| q.defer(d3.json,'https://raw.githubusercontent.com/codeforamerica/click_that_hood/master/public/data/boston.geojson'); | |
| q.defer(d3.json,'http://bostonopendata-boston.opendata.arcgis.com/datasets/cbf14bb032ef4bd38e20429f71acb61a_2.geojson') | |
| .awaitAll(function(error, results) { | |
| boston = results[0]; | |
| points = results[1]; | |
| var extent = d3.extent(points.features, function(d) { return d.properties.NumStudents13;}); | |
| var scale = d3.scaleLinear().domain(extent).range([1,10]); | |
| projection | |
| .fitExtent([[20, 20], [600, 600]], boston) | |
| u = map.selectAll('path') | |
| .data(boston.features); | |
| u.enter() | |
| .append('path') | |
| .attr('d', geoGenerator) | |
| .attr('fill', '#ccc') | |
| .attr('stroke', '#ccc') | |
| ; | |
| overlay.selectAll('g').data(points.features) | |
| .enter() | |
| .append("g") | |
| .attr('transform', function(d) { | |
| return 'translate('+projection(d.geometry.coordinates)+')'; | |
| }).attr('width', 20).attr('d', geoGenerator) | |
| .style("fill", "yellow") | |
| .style("opacity", 0.75).append('circle').attr('r',function(d) { return scale(d.properties.NumStudents13);}); | |
| }) | |
| </script> | |
| <script id="jsbin-source-css" type="text/css">path | |
| fill: #ccc</script> | |
| <script id="jsbin-source-javascript" type="text/javascript">var projection = d3.geoAlbers(); | |
| var geoGenerator = d3.geoPath() | |
| .projection(projection); | |
| var circle = d3.geoCircle().radius(5);//.center([0.1278, 51.5074]).radius(5) | |
| var map = d3.select('#map g.background'); | |
| var overlay = d3.select('#map g.overlay'); | |
| var q = d3.queue(); | |
| q.defer(d3.json,'https://raw.githubusercontent.com/codeforamerica/click_that_hood/master/public/data/boston.geojson'); | |
| q.defer(d3.json,'http://bostonopendata-boston.opendata.arcgis.com/datasets/cbf14bb032ef4bd38e20429f71acb61a_2.geojson') | |
| .awaitAll(function(error, results) { | |
| boston = results[0]; | |
| points = results[1]; | |
| var extent = d3.extent(points.features, function(d) { return d.properties.NumStudents13;}); | |
| var scale = d3.scaleLinear().domain(extent).range([1,10]); | |
| projection | |
| .fitExtent([[20, 20], [600, 600]], boston) | |
| u = map.selectAll('path') | |
| .data(boston.features); | |
| u.enter() | |
| .append('path') | |
| .attr('d', geoGenerator) | |
| .attr('fill', '#ccc') | |
| .attr('stroke', '#ccc') | |
| ; | |
| overlay.selectAll('g').data(points.features) | |
| .enter() | |
| .append("g") | |
| .attr('transform', function(d) { | |
| return 'translate('+projection(d.geometry.coordinates)+')'; | |
| }).attr('width', 20).attr('d', geoGenerator) | |
| .style("fill", "yellow") | |
| .style("opacity", 0.75).append('circle').attr('r',function(d) { return scale(d.properties.NumStudents13);}); | |
| })</script></body> | |
| </html> |
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| path | |
| fill: #ccc |
This file contains hidden or 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
| var projection = d3.geoAlbers(); | |
| var geoGenerator = d3.geoPath() | |
| .projection(projection); | |
| var circle = d3.geoCircle().radius(5);//.center([0.1278, 51.5074]).radius(5) | |
| var map = d3.select('#map g.background'); | |
| var overlay = d3.select('#map g.overlay'); | |
| var q = d3.queue(); | |
| q.defer(d3.json,'https://raw.githubusercontent.com/codeforamerica/click_that_hood/master/public/data/boston.geojson'); | |
| q.defer(d3.json,'http://bostonopendata-boston.opendata.arcgis.com/datasets/cbf14bb032ef4bd38e20429f71acb61a_2.geojson') | |
| .awaitAll(function(error, results) { | |
| boston = results[0]; | |
| points = results[1]; | |
| var extent = d3.extent(points.features, function(d) { return d.properties.NumStudents13;}); | |
| var scale = d3.scaleLinear().domain(extent).range([1,10]); | |
| projection | |
| .fitExtent([[20, 20], [600, 600]], boston) | |
| u = map.selectAll('path') | |
| .data(boston.features); | |
| u.enter() | |
| .append('path') | |
| .attr('d', geoGenerator) | |
| .attr('fill', '#ccc') | |
| .attr('stroke', '#ccc') | |
| ; | |
| overlay.selectAll('g').data(points.features) | |
| .enter() | |
| .append("g") | |
| .attr('transform', function(d) { | |
| return 'translate('+projection(d.geometry.coordinates)+')'; | |
| }).attr('width', 20).attr('d', geoGenerator) | |
| .style("fill", "yellow") | |
| .style("opacity", 0.75).append('circle').attr('r',function(d) { return scale(d.properties.NumStudents13);}); | |
| }) |
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