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D3.js HTML5 canvas Map of Tunisia.
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <body> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <script src="http://d3js.org/topojson.v1.min.js"></script> | |
| <script> | |
| var width = 960, | |
| height = 700; | |
| //computing projection | |
| var projection = d3.geo.mercator() | |
| .scale(3000) | |
| .translate([0,2200]); | |
| //preparing the canvas | |
| var canvas = d3.select("body").append("canvas") | |
| .attr("width", width) | |
| .attr("height", height); | |
| //adding context | |
| var context = canvas.node().getContext("2d"); | |
| //computing path | |
| var path = d3.geo.path() | |
| .projection(projection) | |
| .context(context); | |
| d3.json("tunisia.json", function(error, topology) { | |
| path(topojson.feature(topology, topology.objects.governorates)); | |
| context.stroke(); | |
| }); | |
| //set the height the bl.ocks.org preview | |
| d3.select(self.frameElement).style("height", height + "px"); | |
| </script> |
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