examples/pieChart.html

<!DOCTYPE html>
<meta charset="utf-8">
<link href="../src/nv.d3.css" rel="stylesheet" type="text/css">
<style>

body {
  overflow-y:scroll;
}

text {
  font: 12px sans-serif;
}

.mypiechart {
  width: 500px;
  border: 2px;
}
</style>
<body class='with-3d-shadow with-transitions'>

<h2>Test1</h2>
<svg id="test1" class="mypiechart"></svg>

<h2>Test2</h2>
<svg id="test2" class="mypiechart"></svg>

<script src="../lib/d3.v3.js"></script>
<script src="../nv.d3.js"></script>
<script src="../src/models/legend.js"></script>
<script src="../src/models/pie.js"></script>
<script src="../src/models/pieChart.js"></script>
<script src="../src/utils.js"></script>
<script>

  var testdata = [
    {
      key: "One",
      y: 5
    },
    {
      key: "Two",
      y: 2
    },
    {
      key: "Three",
      y: 9
    },
    {
      key: "Four",
      y: 7
    },
    {
      key: "Five",
      y: 4
    },
    {
      key: "Six",
      y: 3
    },
    {
      key: "Seven",
      y: .5
    }
  ];


nv.addGraph(function() {
    var width = 500,
        height = 500;

    var chart = nv.models.pieChart()
        .x(function(d) { return d.key })
        .y(function(d) { return d.y })
        .color(d3.scale.category10().range())
        .width(width)
        .height(height);

      d3.select("#test1")
          .datum(testdata)
        .transition().duration(1200)
          .attr('width', width)
          .attr('height', height)
          .call(chart);

    chart.dispatch.on('stateChange', function(e) { nv.log('New State:', JSON.stringify(e)); });

    return chart;
});

nv.addGraph(function() {

    var width = 500,
        height = 500;

    var chart = nv.models.pieChart()
        .x(function(d) { return d.key })
        //.y(function(d) { return d.value })
        //.labelThreshold(.08)
        //.showLabels(false)
        .color(d3.scale.category10().range())
        .width(width)
        .height(height)
        .donut(true);

    chart.pie
        .startAngle(function(d) { return d.startAngle/2 -Math.PI/2 })
        .endAngle(function(d) { return d.endAngle/2 -Math.PI/2 });

      //chart.pie.donutLabelsOutside(true).donut(true);

      d3.select("#test2")
          //.datum(historicalBarChart)
          .datum(testdata)
        .transition().duration(1200)
          .attr('width', width)
          .attr('height', height)
          .call(chart);

    return chart;
});

</script>