An improved treemap navigator, displaying the ontology of DBpedia.
Besides some DBpedia-specific customization (e.g. colors), the navigator now features a better drag behavior and a way to collapse open subtrees (it is sufficient to click on an exploded node to collapse it back).
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<html>
<head>
<meta charset="utf-8">
<meta name="description" content="Treemap navigator II (dbpedia)" />
<title>Treemap navigator II (dbpedia)</title>
<link type="text/css" href="index.css" rel="stylesheet"/>
<script src="https://d3js.org/d3.v3.min.js"></script>
</head>
<body>
<svg height="500" width="960"></svg>
<script src="index.js"></script>
</body>
</html>
Modified http://d3js.org/d3.v3.min.js to a secure url
https://d3js.org/d3.v3.min.js