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Dynamically changing force parameters
Raw
README.md
Raw
index.html
<!DOCTYPE html>
<head>
<meta charset="utf-8">
<title>Dynamically changing force parameters</title>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<script src="http://d3js.org/d3.v3.min.js"></script>
<link rel="stylesheet" type="text/css" href="styles.css">
</head>
<body>
<div id="fig"></div>
<div class="control">
<label for="charge">Charge: </label>
<input type="range" class="charge" name="charge" min="-200" max="100" value="-120">
<span class="value"></span>
</div>
<div class="control">
<label for="link">Link Distance: </label>
<input type="range" class="link" name="link" value="30">
<span class="value"></span>
</div>
<input type="reset">
<script>
$(document).ready( function() {
$( '.control input' ).change(function() {
v = $(this).val();
$(this).next().text(v);
});
var width = 960,
height = 450;
var linkDistance = 30;
var charge = -120;
var color = d3.scale.category20();
var force = d3.layout.force()
.charge(function() { return charge; } )
.linkDistance(function() { return linkDistance; } )
.size([width, height]);
var svg = d3.select("#fig").append("svg")
.attr("width", width)
.attr("height", height);
d3.json("miserables.json", function(error, graph) {
force
.nodes(graph.nodes)
.links(graph.links)
.start();
var link = svg.selectAll(".link")
.data(graph.links)
.enter().append("line")
.attr("class", "link")
.style("stroke-width", function(d) { return Math.sqrt(d.value); });
var node = svg.selectAll(".node")
.data(graph.nodes)
.enter().append("circle")
.attr("class", "node")
.attr("r", 5)
.style("fill", function(d) { return color(d.group); })
.call(force.drag);
node.append("title")
.text(function(d) { return d.name; });
force.on("tick", function() {
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; });
});
d3.select("input[name=charge]").on("change", function() {
force.stop();
charge = this.value;
force.start();
});
d3.select("input[name=link]").on("change", function() {
force.stop();
linkDistance = this.value;
force.start();
});
d3.select("input[type=reset]").on("click", function() {
force.stop();
linkDistance = 30;
charge = -120;
$(".value").text("");
force.start();
});
});
});
</script>
</body>
Raw
miserables.json
{
"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
styles.css
* {
font-family: 'Helvetica Neue', Helvetica, sans-serif;
}
/* Force Directed Graph */
.node {
stroke: #fff;
stroke-width: 1.5px;
}
.link {
stroke: #999;
stroke-opacity: .6;
}
/* Range Controls */
.control {
border: 1px solid #ccc;
padding: 0.25em;
margin: 0.5em 0;
display: inline-block;
}
.control>* {
vertical-align: middle;
}
.control input {
margin: 0 1em;
display: inline-block;
}
.control .value {
display: inline-block;
min-width: 2em;
text-align: right;
}
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