D3 3.5’s d3.layout.pie supports optional padding between arcs. The sides of adjacent arcs are parallel, and the relative area (and angle) of arcs are approximately preserved.
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February 9, 2016 01:52
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Pie Padding
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license: gpl-3.0 |
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<!DOCTYPE html> | |
<meta charset="utf-8"> | |
<body> | |
<script src="//d3js.org/d3.v3.min.js"></script> | |
<script> | |
var data = [1, 1, 2, 3, 5, 8, 13, 21]; | |
var width = 960, | |
height = 500, | |
radius = height / 2 - 10; | |
var arc = d3.svg.arc() | |
.innerRadius(radius - 40) | |
.outerRadius(radius); | |
var pie = d3.layout.pie() | |
.padAngle(.02); | |
var color = d3.scale.category10(); | |
var svg = d3.select("body").append("svg") | |
.attr("width", width) | |
.attr("height", height) | |
.append("g") | |
.attr("transform", "translate(" + width / 2 + "," + height / 2 + ")"); | |
svg.selectAll("path") | |
.data(pie(data)) | |
.enter().append("path") | |
.style("fill", function(d, i) { return color(i); }) | |
.attr("d", arc); | |
</script> |
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