2012-04-04 21:44:22 +04:00
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<!DOCTYPE html>
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<meta charset="utf-8">
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<style>
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.area {
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fill: lightsteelblue;
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}
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.line {
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fill: none;
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stroke: steelblue;
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stroke-width: 1.5px;
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}
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</style>
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<body>
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2012-10-06 05:46:05 +04:00
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<script src="../../d3.js"></script>
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2012-04-04 21:44:22 +04:00
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<script>
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var data = d3.range(120).map(function(i) {
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return i % 10
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? .8 + Math.sin(i / 3 * Math.PI) / 6
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: null;
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});
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var width = 960,
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height = 500;
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var radius = d3.scale.linear()
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.domain([0, 1])
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.range([height / 3, height / 2]);
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var angle = d3.scale.linear()
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.domain([0, data.length])
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.range([0, 2 * Math.PI]);
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var line = d3.svg.line.radial()
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.defined(function(d) { return d != null; })
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.interpolate("basis")
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.radius(radius)
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.angle(function(d, i) { return angle(i); });
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var area = d3.svg.area.radial()
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.defined(line.defined())
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.interpolate(line.interpolate())
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.innerRadius(radius(0))
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.outerRadius(line.radius())
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.angle(line.angle());
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var svg = d3.select("body").append("svg")
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.datum(data)
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.attr("width", width)
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.attr("height", height)
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.append("g")
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.attr("transform", "translate(" + width / 2 + "," + height / 2 + ")");
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svg.append("path")
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.attr("class", "area")
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.attr("d", area);
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svg.append("path")
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.attr("class", "line")
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.attr("d", line);
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</script>
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