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Hive Plot (Areas)
d3.hive={},d3.hive.link=function(){function t(t,s){var u,h=a(r,this,t,s),i=a(n,this,t,s);h.a>i.a&&(u=i,i=h,h=u),i.a-h.a>Math.PI&&(h.a+=2*Math.PI);var e=h.a+(i.a-h.a)/3,c=i.a-(i.a-h.a)/3;return h.r0-h.r1||i.r0-i.r1?"M"+Math.cos(h.a)*h.r0+","+Math.sin(h.a)*h.r0+"L"+Math.cos(h.a)*h.r1+","+Math.sin(h.a)*h.r1+"C"+Math.cos(e)*h.r1+","+Math.sin(e)*h.r1+" "+Math.cos(c)*i.r1+","+Math.sin(c)*i.r1+" "+Math.cos(i.a)*i.r1+","+Math.sin(i.a)*i.r1+"L"+Math.cos(i.a)*i.r0+","+Math.sin(i.a)*i.r0+"C"+Math.cos(c)*i.r0+","+Math.sin(c)*i.r0+" "+Math.cos(e)*h.r0+","+Math.sin(e)*h.r0+" "+Math.cos(h.a)*h.r0+","+Math.sin(h.a)*h.r0:"M"+Math.cos(h.a)*h.r0+","+Math.sin(h.a)*h.r0+"C"+Math.cos(e)*h.r1+","+Math.sin(e)*h.r1+" "+Math.cos(c)*i.r1+","+Math.sin(c)*i.r1+" "+Math.cos(i.a)*i.r1+","+Math.sin(i.a)*i.r1}function a(t,a,r,n){var e=t.call(a,r,n),c=+("function"==typeof s?s.call(a,e,n):s)+i,o=+("function"==typeof u?u.call(a,e,n):u),M=u===h?o:+("function"==typeof h?h.call(a,e,n):h);return{r0:o,r1:M,a:c}}var r=function(t){return t.source},n=function(t){return t.target},s=function(t){return t.angle},u=function(t){return t.radius},h=u,i=-Math.PI/2;return t.source=function(a){return arguments.length?(r=a,t):r},t.target=function(a){return arguments.length?(n=a,t):n},t.angle=function(a){return arguments.length?(s=a,t):s},t.radius=function(a){return arguments.length?(u=h=a,t):u},t.startRadius=function(a){return arguments.length?(u=a,t):u},t.endRadius=function(a){return arguments.length?(h=a,t):h},t};
<!DOCTYPE html>
<meta charset="utf-8">
<style>
.arc {
fill-opacity: .2;
}
.axis .fill {
stroke: #aaa;
stroke-width: 8px;
stroke-linecap: square;
}
.axis .stroke {
stroke: #fff;
stroke-width: 12px;
stroke-linecap: square;
}
</style>
<body>
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></script>
<script src="d3.hive.min.js"></script>
<script>
var width = 960,
height = 500,
innerRadius = 40,
outerRadius = 240;
var angle = d3.scale.ordinal().domain(d3.range(4)).rangePoints([0, 2 * Math.PI]),
radius = d3.scale.linear().range([innerRadius, outerRadius]),
color = d3.scale.category20c().domain(d3.range(20));
var links = [
{source: {x: 0, y0: 0.9, y1: 1.0}, target: {x: 1, y0: 0.5, y1: 1.0}, group: 0},
{source: {x: 0, y0: 0.7, y1: 0.9}, target: {x: 1, y0: 0.4, y1: 0.5}, group: 1},
{source: {x: 0, y0: 0.4, y1: 0.7}, target: {x: 1, y0: 0.2, y1: 0.4}, group: 2},
{source: {x: 0, y0: 0.0, y1: 0.4}, target: {x: 1, y0: 0.0, y1: 0.2}, group: 3},
{source: {x: 1, y0: 0.8, y1: 1.0}, target: {x: 2, y0: 0.5, y1: 1.0}, group: 4},
{source: {x: 1, y0: 0.5, y1: 0.8}, target: {x: 2, y0: 0.2, y1: 0.5}, group: 5},
{source: {x: 1, y0: 0.3, y1: 0.5}, target: {x: 2, y0: 0.1, y1: 0.2}, group: 6},
{source: {x: 1, y0: 0.0, y1: 0.3}, target: {x: 2, y0: 0.0, y1: 0.1}, group: 7},
{source: {x: 2, y0: 0.8, y1: 1.0}, target: {x: 0, y0: 0.5, y1: 1.0}, group: 8},
{source: {x: 2, y0: 0.5, y1: 0.8}, target: {x: 0, y0: 0.2, y1: 0.5}, group: 9},
{source: {x: 2, y0: 0.1, y1: 0.5}, target: {x: 0, y0: 0.1, y1: 0.2}, group: 10},
{source: {x: 2, y0: 0.0, y1: 0.1}, target: {x: 0, y0: 0.0, y1: 0.1}, group: 11}
];
var svg = d3.select("body").append("svg")
.attr("width", width)
.attr("height", height)
.append("g")
.attr("transform", "translate(" + width / 2 + "," + height / 2 + ")");
svg.selectAll(".link")
.data(links)
.enter().append("path")
.attr("class", "link")
.attr("d", d3.hive.link()
.angle(function(d) { return angle(d.x); })
.startRadius(function(d) { return radius(d.y0); })
.endRadius(function(d) { return radius(d.y1); }))
.style("fill", function(d) { return color(d.group); });
svg.selectAll(".axis")
.data(d3.range(3))
.enter().append("g")
.attr("class", "axis")
.attr("transform", function(d) { return "rotate(" + degrees(angle(d)) + ")"; })
.selectAll("line")
.data(["stroke", "fill"])
.enter().append("line")
.attr("class", function(d) { return d; })
.attr("x1", radius.range()[0])
.attr("x2", radius.range()[1]);
function degrees(radians) {
return radians / Math.PI * 180 - 90;
}
</script>
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