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D3 map of census tracts on the Island of Montreal
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>Census tracts on Montreal island</title> | |
| <script type="text/javascript" src="http://d3js.org/d3.v3.min.js"></script> | |
| <style type="text/css"> | |
| body { | |
| background-color: gray; | |
| } | |
| svg { | |
| background-color: white; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <script type="text/javascript"> | |
| //Width and height | |
| var w = 700; | |
| var h = 600; | |
| //Define map projection | |
| var projection = d3.geo.mercator() | |
| .center([ -73.6, 45.56 ]) | |
| //.translate([ w/2, h/2 ]) | |
| .scale([ w*90 ]); | |
| //Define path generator | |
| var path = d3.geo.path() | |
| .projection(projection); | |
| //Create SVG | |
| var svg = d3.select("body") | |
| .append("svg") | |
| .attr("width", w) | |
| .attr("height", h); | |
| //Load in GeoJSON data | |
| d3.json("tracts_mtl.json", function(json) { | |
| //Bind data and create one path per GeoJSON feature | |
| svg.selectAll("path") | |
| .data(json.geometries) | |
| .enter() | |
| .append("path") | |
| .attr("d", path) | |
| .style("fill", "white") | |
| .style("stroke", "black"); | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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