52 строки
1.2 KiB
HTML
52 строки
1.2 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html;charset=utf-8">
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<script type="text/javascript" src="../../d3.js"></script>
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<script type="text/javascript" src="../../d3.geo.js"></script>
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<script type="text/javascript" src="../../d3.geom.js"></script>
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<script type="text/javascript" src="../../d3.behavior.js"></script>
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<style type="text/css">
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svg {
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background: #eee;
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width: 960px;
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height: 500px;
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}
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</style>
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</head>
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<body>
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<script type="text/javascript">
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var svg = d3.select("body")
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.append("svg:svg")
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.call(d3.behavior.zoom()
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.on("zoom", redraw))
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.append("svg:g");
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var counties = svg.append("svg:g")
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.attr("id", "counties");
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var path = d3.geo.path();
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var fill = d3.scale.log()
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.domain([10, 500])
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.range(["brown", "steelblue"]);
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d3.json("../../data/us-counties.json", function(json) {
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counties.selectAll("path")
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.data(json.features)
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.enter().append("svg:path")
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.attr("d", path)
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.attr("fill", function(d) { return fill(path.area(d)); });
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});
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function redraw() {
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svg.attr("transform", "translate(" + d3.event.translate + ")scale(" + d3.event.scale + ")");
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}
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</script>
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</body>
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</html>
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