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d3 force directed layout
Raw
_.md
Raw
config.json
{"description":"d3 force directed layout","endpoint":"","display":"svg","public":true,"require":[],"fileconfigs":{"inlet.js":{"default":true,"vim":false,"emacs":false,"fontSize":12},"data.js":{"default":true,"vim":false,"emacs":false,"fontSize":12},"_.md":{"default":true,"vim":false,"emacs":false,"fontSize":12},"config.json":{"default":true,"vim":false,"emacs":false,"fontSize":12},"style.css":{"default":true,"vim":false,"emacs":false,"fontSize":12}},"fullscreen":false,"play":false,"loop":false,"restart":false,"autoinit":true,"pause":true,"loop_type":"pingpong","bv":false,"nclones":15,"clone_opacity":0.4,"duration":3000,"ease":"linear","dt":0.01,"thumbnail":"http://i.imgur.com/vcDjM7B.png"}
Raw
data.js
graph = {
"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":[
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}
Raw
inlet.js
var width = 560;
var height = 500;
var margin = 20;
var pad = margin / 2;
var color = d3.scale.category20();
// Generates a tooltip for a SVG circle element based on its ID
function addTooltip(circle) {
var x = parseFloat(circle.attr("cx"));
var y = parseFloat(circle.attr("cy"));
var r = parseFloat(circle.attr("r"));
var text = circle.attr("id");
var tooltip = d3.select("#plot")
.append("text")
.text(text)
.attr("x", x)
.attr("y", y)
.attr("dy", -r * 2)
.attr("id", "tooltip");
var offset = tooltip.node().getBBox().width / 2;
if ((x - offset) < 0) {
tooltip.attr("text-anchor", "start");
tooltip.attr("dx", -r);
}
else if ((x + offset) > (width - margin)) {
tooltip.attr("text-anchor", "end");
tooltip.attr("dx", r);
}
else {
tooltip.attr("text-anchor", "middle");
tooltip.attr("dx", 0);
}
}
function drawGraph(graph) {
var svg = d3.select("svg")
.attr("width", width)
.attr("height", height);
// draw plot background
svg.append("rect")
.attr("width", width)
.attr("height", height)
.style("fill", "#eeeeee");
// create an area within svg for plotting graph
var plot = svg.append("g")
.attr("id", "plot")
.attr("transform", "translate(" + pad + ", " + pad + ")");
// https://github.com/mbostock/d3/wiki/Force-Layout#wiki-force
var layout = d3.layout.force()
.size([width - margin, height - margin])
.charge(-120)
.linkDistance(function(d, i) {
return (d.source.group == d.target.group) ? 50 : 100;
})
.nodes(graph.nodes)
.links(graph.links)
.start();
drawLinks(graph.links);
drawNodes(graph.nodes);
// add ability to drag and update layout
// https://github.com/mbostock/d3/wiki/Force-Layout#wiki-drag
d3.selectAll(".node").call(layout.drag);
// https://github.com/mbostock/d3/wiki/Force-Layout#wiki-on
layout.on("tick", function() {
d3.selectAll(".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; });
d3.selectAll(".node")
.attr("cx", function(d) { return d.x; })
.attr("cy", function(d) { return d.y; });
});
}
// Draws nodes on plot
function drawNodes(nodes) {
// used to assign nodes color by group
var color = d3.scale.category20();
// https://github.com/mbostock/d3/wiki/Force-Layout#wiki-nodes
d3.select("#plot").selectAll(".node")
.data(nodes)
.enter()
.append("circle")
.attr("class", "node")
.attr("id", function(d, i) { return d.name; })
.attr("cx", function(d, i) { return d.x; })
.attr("cy", function(d, i) { return d.y; })
.attr("r", function(d, i) { return 4; })
.style("fill", function(d, i) { return color(d.group); })
.on("mouseover", function(d, i) { addTooltip(d3.select(this)); })
.on("mouseout", function(d, i) { d3.select("#tooltip").remove(); });
}
// Draws edges between nodes
function drawLinks(links) {
var scale = d3.scale.linear()
.domain(d3.extent(links, function(d, i) {
return d.value;
}))
.range([1, 6]);
// https://github.com/mbostock/d3/wiki/Force-Layout#wiki-links
d3.select("#plot").selectAll(".link")
.data(links)
.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, i) {
return scale(d.value) + "px";
})
.style("stroke-dasharray", function(d, i) {
return (d.value <= 1) ? "2, 2" : "none";
});
}
drawGraph(graph);
//d3.json("miserables.json", drawGraph);
Raw
style.css
body {
font-family: 'Source Sans Pro', sans-serif;
font-weight: 300;
}
b {
font-weight: 900;
}
.outline {
fill: none;
stroke: #888888;
stroke-width: 1px;
}
#tooltip {
font-size: 10pt;
font-weight: 900;
fill: #000000;
stroke: #ffffff;
stroke-width: 0.25px;
}
.node {
stroke: #ffffff;
stroke-weight: 1px;
}
.link {
fill: none;
stroke: #888888;
stroke-weight: 1px;
stroke-opacity: 0.5;
}
.highlight {
stroke: red;
stroke-weight: 4px;
stroke-opacity: 1.0;
}
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