Answer to a question on stackoverflow. I used the answers to another question to centre and scale the map
| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8" /> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| </head> | |
| <body> | |
| <div id="vis"> | |
| </div> | |
| <script> | |
| var height = 400; | |
| var width = 400; | |
| var vis = d3.select("#vis").append("svg") | |
| .attr("width", width).attr("height", height) | |
| d3.json("po_2012_simplified.json", function(json) { | |
| var projection = d3.geo.projection(function(x, y) { return [x, y];}) | |
| .precision(0).scale(1).translate([0, 0]); | |
| var path = d3.geo.path().projection(projection); | |
| var bounds = path.bounds(json), | |
| scale = .95 / Math.max((bounds[1][0] - bounds[0][0]) / width, | |
| (bounds[1][1] - bounds[0][1]) / height), | |
| transl = [(width - scale * (bounds[1][0] + bounds[0][0])) / 2, | |
| (height - scale * (bounds[1][1] + bounds[0][1])) / 2]; | |
| projection.scale(scale).translate(transl); | |
| vis.selectAll("path").data(json.features).enter().append("path") | |
| .attr("d", path) | |
| .style("fill", "#D0D0D0") | |
| .style("stroke-width", "0.5px") | |
| .style("stroke", "black") | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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