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JustinSHong/.block

Last active April 19, 2019 01:54
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Pie Chart
Raw
.block
license: mit
Raw
index.html
<!DOCTYPE html>
<head>
<meta charset="utf-8">
<script src="https://d3js.org/d3.v4.min.js"></script>
<style>
body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
svg {
width: 100%;
height: 100%;
}
</style>
</head>
<body>
<svg></svg>
<script>
const data = [1, 1, 2, 3, 5, 8, 13, 21];
const colors = d3.scaleOrdinal(d3.schemeCategory10);
const svg = d3.select('svg')
.append('g')
.attr('transform', 'translate(200, 200)');
// define pie slices
const pies = d3.pie()(data);
console.log("pie", pies);
// define arc
const arc = d3.arc()
.innerRadius(0)
.outerRadius(150)
.startAngle(d => d.startAngle)
.endAngle(d => d.endAngle);
// append pie chart to svg
svg.selectAll('path')
.data(pies)
.enter()
.append('path')
.attr('d', (d, i) => arc(d))
.attr('fill', (d, i) => colors(d.value))
.attr('stroke', '#fff');
</script>
</body>
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