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<title>Force-Directed Layout</title>
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<script type="text/javascript" src="../../d3.v2.js"></script>
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<style type="text/css">
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<script type="text/javascript">
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fill = d3.scale.category20();
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var force = d3.layout.force()
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var svg = d3.select("body").append("svg")
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d3.json("miserables.json", function(json) {
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var link = svg.selectAll("line")
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.enter().append("line");
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var node = svg.selectAll("circle")
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.enter().append("circle")
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.style("fill", function(d) { return fill(d.group); })
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.style("stroke", function(d) { return d3.rgb(fill(d.group)).darker(); })
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node.attr("cx", function(d) { return d.x = Math.max(r, Math.min(w - r, d.x)); })
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.attr("cy", function(d) { return d.y = Math.max(r, Math.min(h - r, d.y)); });
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link.attr("x1", function(d) { return d.source.x; })
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.attr("y1", function(d) { return d.source.y; })
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.attr("x2", function(d) { return d.target.x; })
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.attr("y2", function(d) { return d.target.y; });