nick34992
3/10/2017 - 1:48 AM

D3byEX 9.7: Pie (Adapted to D3.js v4)

D3byEX 9.7: Pie (Adapted to D3.js v4)

index.html
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<!DOCTYPE html>
<html><meta charset=utf-8>
<head>
    <meta name="description" content="D3.js v4, arc, pie" />
</head>

<body>
    <script src="http://d3js.org/d3.v4.min.js"></script>
    <script src="https://d3js.org/d3-selection-multi.v1.min.js"></script>
    <script>

        var group = d3.select('body')
                      .append('svg')
                      .attrs({ width: 225, height: 225 })
                      .append('g')
                      .attr('transform', 'translate(105, 105)');

        var data = [21, 32, 35, 64, 83];

        var pieSegments = d3.pie()(data);

        var arcGenerator = d3.arc()
                             .innerRadius(0)
                             .outerRadius(100)
                             .startAngle(function (d) { return d.startAngle; })
                             .endAngle(function (d) { return d.endAngle; });

        var colors = d3.scaleOrdinal(d3.schemeCategory10);

        group.selectAll('path')
             .data(pieSegments)
             .enter()
             .append('path')
             .attrs({ d: arcGenerator,
                      fill: function (d, i) { return colors(i); }
                    });

    </script>
</body>
</html>