Created
June 12, 2014 18:35
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Cocircular Voronoi
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<!DOCTYPE html> | |
<meta charset="utf-8"> | |
<style> | |
.voronoi { | |
fill-opacity: .5; | |
} | |
.delaunay { | |
stroke: #000; | |
fill-opacity: .5; | |
} | |
.links { | |
stroke-width: 2.5px; | |
stroke-dasharray: 5,5; | |
} | |
circle { | |
fill: #000; | |
} | |
</style> | |
<body> | |
<script src="http://d3js.org/d3.v3.min.js"></script> | |
<script> | |
var width = 960, | |
height = 500; | |
var vertices = d3.range(0, 2 * Math.PI + 1e-6, 2 * Math.PI / 5).map(function(d) { | |
return [width / 2 + Math.cos(d) * 100, height / 2 + Math.sin(d) * 100]; | |
}); | |
var svg = d3.select("body").append("svg") | |
.attr("width", width) | |
.attr("height", height); | |
var fill = d3.scale.category20c(); | |
svg.selectAll(".voronoi") | |
.data(d3.geom.voronoi(vertices)) | |
.enter().append("path") | |
.attr("class", "voronoi") | |
.style("fill", function(_, i) { return fill(i); }) | |
.attr("d", polygon); | |
svg.selectAll(".delaunay") | |
.data(d3.geom.delaunay(vertices)) | |
.enter().append("path") | |
.attr("class", "delaunay") | |
.style("fill", function(_, i) { return fill(i); }) | |
.attr("d", polygon); | |
svg.selectAll("circle") | |
.data(vertices) | |
.enter().append("circle") | |
.attr("transform", function(d) { return "translate(" + d + ")"; }) | |
.attr("r", 3.5); | |
svg.append("path") | |
.attr("class", "links") | |
.style("stroke", "blue") | |
.attr("d", d3.geom.voronoi().links(vertices).map(line).join("")); | |
function line(d) { | |
return "M" + d.source + "L" + d.target; | |
} | |
function polygon(d) { | |
return d ? "M" + d.join("L") + "Z" : ""; | |
} | |
</script> |
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