This tweak to the standard Force Directed Graph from Mike Bostock implements sliding inputs to adjust the two primary factors to the visualization: linkDistance and charge. Compare to this, which changes the network itself
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Dynamically changing force parameters
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<!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> |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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{ | |
"nodes":[ | |
{"name":"Myriel","group":1}, | |
{"name":"Napoleon","group":1}, | |
{"name":"Mlle.Baptistine","group":1}, | |
{"name":"Mme.Magloire","group":1}, | |
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{"name":"Simplice","group":2}, | |
{"name":"Scaufflaire","group":2}, | |
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{"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}, | |
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{"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} | |
], | |
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] | |
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
* { | |
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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