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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| </style> | |
| <body> | |
| <script src="https://d3js.org/d3.v3.min.js" charset="utf-8"></script> | |
| <script src="https://d3js.org/topojson.v1.min.js"></script> | |
| <script> | |
| var width = 500, | |
| height = 500; | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", width) | |
| .attr("height", height); | |
| var color = d3.scale.category20(); | |
| var projection = d3.geo.albers() | |
| .center([0,40.7]) | |
| .rotate([74,0]) | |
| .translate([width/2,height/2]) | |
| .scale(65000); | |
| var path = d3.geo.path() | |
| .projection(projection); | |
| d3.json("ct2010.json", function(error, data) { | |
| if (error) return console.error(error); | |
| svg.selectAll(".tract") | |
| .data(topojson.feature(data, data.objects.nyct2010).features) | |
| .enter().append("path") | |
| .attr('class','tract') | |
| .attr('fill',function(d,i) { return color(i); }) | |
| .attr("d", path); | |
| }) | |
| </script> |
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