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.node { | |
font: 300 11px "Helvetica Neue", Helvetica, Arial, sans-serif; | |
fill: #bbb; | |
} | |
.node:hover { | |
fill: #000; | |
} |
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var diameter = 960, | |
radius = diameter / 2, | |
innerRadius = radius - 120; | |
var cluster = d3.layout.cluster() | |
.size([360, innerRadius]) | |
.sort(null) | |
.value(function(d) { return d.size; }); | |
var line = d3.svg.line.radial() | |
.interpolate("bundle") | |
.tension(.85) | |
.radius(function(d) { return d.y; }) | |
.angle(function(d) { return d.x / 180 * Math.PI; }); | |
var svg = d3.select("body").append("svg") | |
.attr("width", diameter) | |
.attr("height", diameter) | |
.append("g") | |
.attr("transform", "translate(" + radius + "," + radius + ")"); | |
var link = svg.append("g").selectAll(".link"), | |
node = svg.append("g").selectAll(".node") | |
d3.json("http://api.football-data.org/v1/soccerseasons/424/teams", function(error, classes) { | |
if (error) throw error; | |
var nodes = cluster.nodes(packageHierarchy(classes)), | |
links = packageImports(nodes); | |
link = link | |
.data(bundle(links)) | |
.enter().append("path") | |
.each(function(d) { d.source = d[0], d.target = d[d.length - 1]; }) | |
.attr("class", "link") | |
.attr("d", line); | |
node = node | |
.data(nodes.filter(function(n) { return !n.children; })) | |
.enter().append("text") | |
.attr("class", "node") | |
.attr("dy", ".31em") | |
.attr("transform", function(d) { return "rotate(" + (d.x - 90) + ")translate(" + (d.y + 8) + ",0)" + (d.x < 180 ? "" : "rotate(180)"); }) | |
.style("text-anchor", function(d) { return d.x < 180 ? "start" : "end"; }) | |
.text(function(d) { return d.key; }) | |
.on("mouseover", mouseovered) | |
.on("mouseout", mouseouted); | |
}); | |
function mouseovered(d) { | |
node | |
.each(function(n) { n.target = n.source = false; }); | |
link | |
.classed("link--target", function(l) { if (l.target === d) return l.source.source = true; }) | |
.classed("link--source", function(l) { if (l.source === d) return l.target.target = true; }) | |
.filter(function(l) { return l.target === d || l.source === d; }) | |
.each(function() { this.parentNode.appendChild(this); }); | |
node | |
.classed("node--target", function(n) { return n.target; }) | |
.classed("node--source", function(n) { return n.source; }); | |
} | |
function mouseouted(d) { | |
link | |
.classed("link--target", false) | |
.classed("link--source", false); | |
node | |
.classed("node--target", false) | |
.classed("node--source", false); | |
} | |
d3.select(self.frameElement).style("height", diameter + "px"); | |
// Lazily construct the package hierarchy from class names. | |
function packageHierarchy(classes) { | |
var map = {}; | |
function find(name, data) { | |
var node = map[name], i; | |
if (!node) { | |
node = map[name] = data || {name: name, children: []}; | |
if (name.length) { | |
node.parent = find(name.substring(0, i = name.lastIndexOf("."))); | |
node.parent.children.push(node); | |
node.key = name.substring(i + 1); | |
} | |
} | |
return node; | |
} | |
classes.forEach(function(d) { | |
find(d.name, d); | |
}); | |
return map[""]; | |
} | |
// Return a list of imports for the given array of nodes. | |
function packageImports(nodes) { | |
var map = {}, | |
imports = []; | |
// Compute a map from name to node. | |
nodes.forEach(function(d) { | |
map[d.name] = d; | |
}); | |
// For each import, construct a link from the source to target node. | |
nodes.forEach(function(d) { | |
if (d.imports) d.imports.forEach(function(i) { | |
imports.push({source: map[d.name], target: map[i]}); | |
}); | |
}); | |
return imports; | |
} |
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