chord-code.html

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      <pre style="margin-left:80px;font-size:36px;"><code>
// converts matrix to chord and arc angles
var layout = d3.layout.chord()
    .sortSubgroups(d3.descending)
    .sortChords(d3.descending)
    .padding(.04);

// converts chord angles to path data
var chord = d3.svg.chord()
    .radius(r);

// converts arc angles to path data
var arc = d3.svg.arc()
    .innerRadius(r)
    .outerRadius(r + 20);
</code></pre>
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        layouts and shapes
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