Commit 57308ff1 authored by Mike Bostock's avatar Mike Bostock
Browse files

Remove force-cluster example.

Would be nice to update, but perhaps another time.
parent 6e89c983
The miserables.json file contains the weighted network of coappearances of
characters in Victor Hugo's novel /Les Miserables/. Nodes represent characters
as indicated by the labels, and edges connect any pair of characters that
appear in the same chapter of the book. The values on the edges are the number
of such coappearances. The data on coappearances were taken from D. E. Knuth,
"The Stanford GraphBase: A Platform for Combinatorial Computing",
Addison-Wesley, Reading, MA (1993).
The group labels were transcribed from "Finding and evaluating community
structure in networks" by M. E. J. Newman and M. Girvan.
<!DOCTYPE html>
<meta charset="utf-8">
<title>Clustered Network</title>
<style>
svg {
border: 1px solid #ccc;
}
body {
font: 10px sans-serif;
}
circle.node {
fill: lightsteelblue;
stroke: #fff;
stroke-width: 1.5px;
}
path.hull {
fill: lightsteelblue;
fill-opacity: 0.3;
}
line.link {
stroke: #333;
stroke-opacity: 0.5;
pointer-events: none;
}
</style>
<body>
<script src="../../d3.js"></script>
<script>
var width = 960, // svg width
height = 600, // svg height
dr = 4, // default point radius
off = 15, // cluster hull offset
expand = {}, // expanded clusters
data, net, force, hullg, hull, linkg, link, nodeg, node;
var curve = d3.svg.line()
.interpolate("cardinal-closed")
.tension(.85);
var fill = d3.scale.category20();
function noop() { return false; }
function nodeid(n) {
return n.size ? "_g_"+n.group : n.name;
}
function linkid(l) {
var u = nodeid(l.source),
v = nodeid(l.target);
return u<v ? u+"|"+v : v+"|"+u;
}
function getGroup(n) { return n.group; }
// constructs the network to visualize
function network(data, prev, index, expand) {
expand = expand || {};
var gm = {}, // group map
nm = {}, // node map
lm = {}, // link map
gn = {}, // previous group nodes
gc = {}, // previous group centroids
nodes = [], // output nodes
links = []; // output links
// process previous nodes for reuse or centroid calculation
if (prev) {
prev.nodes.forEach(function(n) {
var i = index(n), o;
if (n.size > 0) {
gn[i] = n;
n.size = 0;
} else {
o = gc[i] || (gc[i] = {x:0,y:0,count:0});
o.x += n.x;
o.y += n.y;
o.count += 1;
}
});
}
// determine nodes
for (var k=0; k<data.nodes.length; ++k) {
var n = data.nodes[k],
i = index(n);
if (expand[i]) {
// the node should be directly visible
nm[n.name] = nodes.length;
nodes.push(n);
if (gn[i]) {
// place new nodes at cluster location (plus jitter)
n.x = gn[i].x + Math.random();
n.y = gn[i].y + Math.random();
}
} else {
// the node is part of a collapsed cluster
var l = gm[i] || (gm[i]=gn[i]) || (gm[i]={group:i, size:0, nodes:[]});
if (l.size == 0) {
// if new cluster, add to set and position at centroid of leaf nodes
nm[i] = nodes.length;
nodes.push(l);
if (gc[i]) {
l.x = gc[i].x / gc[i].count;
l.y = gc[i].y / gc[i].count;
}
}
l.size += 1;
l.nodes.push(n);
}
}
// determine links
for (k=0; k<data.links.length; ++k) {
var e = data.links[k],
u = index(e.source),
v = index(e.target);
u = expand[u] ? nm[e.source.name] : nm[u];
v = expand[v] ? nm[e.target.name] : nm[v];
var i = (u<v ? u+"|"+v : v+"|"+u),
l = lm[i] || (lm[i] = {source:u, target:v, size:0});
l.size += 1;
}
for (i in lm) { links.push(lm[i]); }
return {nodes: nodes, links: links};
}
function convexHulls(nodes, index, offset) {
var hulls = {};
// create point sets
for (var k=0; k<nodes.length; ++k) {
var n = nodes[k];
if (n.size) continue;
var i = index(n),
l = hulls[i] || (hulls[i] = []);
l.push([n.x-offset, n.y-offset]);
l.push([n.x-offset, n.y+offset]);
l.push([n.x+offset, n.y-offset]);
l.push([n.x+offset, n.y+offset]);
}
// create convex hulls
return d3.entries(hulls).map(function(entry) {
return {
group: entry.key,
path: d3.geom.hull(entry.value)
};
});
}
function drawCluster(d) {
return curve(d.path); // 0.8
}
// --------------------------------------------------------
var body = d3.select("body");
var vis = body.append("svg")
.attr("width", width)
.attr("height", height);
d3.json("miserables.json", function(error, json) {
data = json;
for (var i=0; i<data.links.length; ++i) {
o = data.links[i];
o.source = data.nodes[o.source];
o.target = data.nodes[o.target];
}
hullg = vis.append("g");
linkg = vis.append("g");
nodeg = vis.append("g");
init();
vis.attr("opacity", 1e-6)
.transition()
.duration(1000)
.attr("opacity", 1);
});
function init() {
if (force) force.stop();
net = network(data, net, getGroup, expand);
force = d3.layout.force()
.nodes(net.nodes)
.links(net.links)
.size([width, height])
.linkDistance(50)
.start();
hullg.selectAll("path.hull").remove();
hull = hullg.selectAll("path.hull")
.data(convexHulls(net.nodes, getGroup, off))
.enter().append("path")
.attr("class", "hull")
.attr("d", drawCluster)
.style("fill", function(d) { return fill(d.group); })
.on("dblclick", function(d) { expand[d.group] = false; init(); });
link = linkg.selectAll("line.link").data(net.links, linkid);
link.exit().remove();
link.enter().append("line")
.attr("class", "link")
.attr("x1", function(d) { return d.source.x; })
.attr("y1", function(d) { return d.source.y; })
.attr("x2", function(d) { return d.target.x; })
.attr("y2", function(d) { return d.target.y; })
.style("stroke-width", function(d) { return d.size || 1; });
node = nodeg.selectAll("circle.node").data(net.nodes, nodeid);
node.exit().remove();
node.enter().append("circle")
.attr("class", function(d) { return "node" + (d.size?"":" leaf"); })
.attr("r", function(d) { return d.size ? d.size + dr : dr+1; })
.attr("cx", function(d) { return d.x; })
.attr("cy", function(d) { return d.y; })
.style("fill", function(d) { return fill(d.group); })
.on("dblclick", function(d) {
if (d.size) { expand[d.group] = true; init(); }
});
node.call(force.drag);
force.on("tick", function() {
if (!hull.empty()) {
hull.data(convexHulls(net.nodes, getGroup, off))
.attr("d", drawCluster);
}
link.attr("x1", function(d) { return d.source.x; })
.attr("y1", function(d) { return d.source.y; })
.attr("x2", function(d) { return d.target.x; })
.attr("y2", function(d) { return d.target.y; });
node.attr("cx", function(d) { return d.x; })
.attr("cy", function(d) { return d.y; });
});
}
</script>
{"nodes":[{"name":"Myriel","group":1},{"name":"Napoleon","group":1},{"name":"Mlle.Baptistine","group":1},{"name":"Mme.Magloire","group":1},{"name":"CountessdeLo","group":1},{"name":"Geborand","group":1},{"name":"Champtercier","group":1},{"name":"Cravatte","group":1},{"name":"Count","group":1},{"name":"OldMan","group":1},{"name":"Labarre","group":2},{"name":"Valjean","group":2},{"name":"Marguerite","group":3},{"name":"Mme.deR","group":2},{"name":"Isabeau","group":2},{"name":"Gervais","group":2},{"name":"Tholomyes","group":3},{"name":"Listolier","group":3},{"name":"Fameuil","group":3},{"name":"Blacheville","group":3},{"name":"Favourite","group":3},{"name":"Dahlia","group":3},{"name":"Zephine","group":3},{"name":"Fantine","group":3},{"name":"Mme.Thenardier","group":4},{"name":"Thenardier","group":4},{"name":"Cosette","group":5},{"name":"Javert","group":4},{"name":"Fauchelevent","group":0},{"name":"Bamatabois","group":2},{"name":"Perpetue","group":3},{"name":"Simplice","group":2},{"name":"Scaufflaire","group":2},{"name":"Woman1","group":2},{"name":"Judge","group":2},{"name":"Champmathieu","group":2},{"name":"Brevet","group":2},{"name":"Chenildieu","group":2},{"name":"Cochepaille","group":2},{"name":"Pontmercy","group":4},{"name":"Boulatruelle","group":6},{"name":"Eponine","group":4},{"name":"Anzelma","group":4},{"name":"Woman2","group":5},{"name":"MotherInnocent","group":0},{"name":"Gribier","group":0},{"name":"Jondrette","group":7},{"name":"Mme.Burgon","group":7},{"name":"Gavroche","group":8},{"name":"Gillenormand","group":5},{"name":"Magnon","group":5},{"name":"Mlle.Gillenormand","group":5},{"name":"Mme.Pontmercy","group":5},{"name":"Mlle.Vaubois","group":5},{"name":"Lt.Gillenormand","group":5},{"name":"Marius","group":8},{"name":"BaronessT","group":5},{"name":"Mabeuf","group":8},{"name":"Enjolras","group":8},{"name":"Combeferre","group":8},{"name":"Prouvaire","group":8},{"name":"Feuilly","group":8},{"name":"Courfeyrac","group":8},{"name":"Bahorel","group":8},{"name":"Bossuet","group":8},{"name":"Joly","group":8},{"name":"Grantaire","group":8},{"name":"MotherPlutarch","group":9},{"name":"Gueulemer","group":4},{"name":"Babet","group":4},{"name":"Claquesous","group":4},{"name":"Montparnasse","group":4},{"name":"Toussaint","group":5},{"name":"Child1","group":10},{"name":"Child2","group":10},{"name":"Brujon","group":4},{"name":"Mme.Hucheloup","group":8}],"links":[{"source":1,"target":0,"value":1},{"source":2,"target":0,"value":8},{"source":3,"target":0,"value":10},{"source":3,"target":2,"value":6},{"source":4,"target":0,"value":1},{"source":5,"target":0,"value":1},{"source":6,"target":0,"value":1},{"source":7,"target":0,"value":1},{"source":8,"target":0,"value":2},{"source":9,"target":0,"value":1},{"source":11,"target":10,"value":1},{"source":11,"target":3,"value":3},{"source":11,"target":2,"value":3},{"source":11,"target":0,"value":5},{"source":12,"target":11,"value":1},{"source":13,"target":11,"value":1},{"source":14,"target":11,"value":1},{"source":15,"target":11,"value":1},{"source":17,"target":16,"value":4},{"source":18,"target":16,"value":4},{"source":18,"target":17,"value":4},{"source":19,"target":16,"value":4},{"source":19,"target":17,"value":4},{"source":19,"target":18,"value":4},{"source":20,"target":16,"value":3},{"source":20,"target":17,"value":3},{"source":20,"target":18,"value":3},{"source":20,"target":19,"value":4},{"source":21,"target":16,"value":3},{"source":21,"target":17,"value":3},{"source":21,"target":18,"value":3},{"source":21,"target":19,"value":3},{"source":21,"target":20,"value":5},{"source":22,"target":16,"value":3},{"source":22,"target":17,"value":3},{"source":22,"target":18,"value":3},{"source":22,"target":19,"value":3},{"source":22,"target":20,"value":4},{"source":22,"target":21,"value":4},{"source":23,"target":16,"value":3},{"source":23,"target":17,"value":3},{"source":23,"target":18,"value":3},{"source":23,"target":19,"value":3},{"source":23,"target":20,"value":4},{"source":23,"target":21,"value":4},{"source":23,"target":22,"value":4},{"source":23,"target":12,"value":2},{"source":23,"target":11,"value":9},{"source":24,"target":23,"value":2},{"source":24,"target":11,"value":7},{"source":25,"target":24,"value":13},{"source":25,"target":23,"value":1},{"source":25,"target":11,"value":12},{"source":26,"target":24,"value":4},{"source":26,"target":11,"value":31},{"source":26,"target":16,"value":1},{"source":26,"target":25,"value":1},{"source":27,"target":11,"value":17},{"source":27,"target":23,"value":5},{"source":27,"target":25,"value":5},{"source":27,"target":24,"value":1},{"source":27,"target":26,"value":1},{"source":28,"target":11,"value":8},{"source":28,"target":27,"value":1},{"source":29,"target":23,"value":1},{"source":29,"target":27,"value":1},{"source":29,"target":11,"value":2},{"source":30,"target":23,"value":1},{"source":31,"target":30,"value":2},{"source":31,"target":11,"value":3},{"source":31,"target":23,"value":2},{"source":31,"target":27,"value":1},{"source":32,"target":11,"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\ No newline at end of file
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