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jcburns/index.html

Last active January 20, 2016 16:55
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Rainbow Circle 720
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index.html
<!DOCTYPE html>
<meta charset="utf-8">
<svg width="960" height="960"></svg>
<script src="//d3js.org/d3.v3.min.js"></script>
<script>
var π = Math.PI,
τ = 2 * π,
n = 500;
var width = 960,
height = 960,
outerRadius = width / 2 - 24,
innerRadius = outerRadius - 72;
d3.select("svg").append("g")
.attr("transform", "translate(" + width / 2 + "," + height / 2 + ")")
.selectAll("path")
.data(d3.range(0, τ, τ / n))
.enter().append("path")
.attr("d", d3.svg.arc()
.outerRadius(outerRadius)
.innerRadius(innerRadius)
.startAngle(function(d) { return d; })
.endAngle(function(d) { return d + τ / n * 1.1; }))
.style("fill", function(d) { return d3.hsl((d) * 720 / τ, 1, .5); });
d3.select(self.frameElement).style("height", height + "px");
</script>
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