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Concentric


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          <!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <script src="../build/ogma.min.js"></script>
  <style>
    #graph-container { top: 0; bottom: 0; left: 0; right: 0; position: absolute; margin: 0; overflow: hidden; }
  </style>
</head>
<body>
  <div id="graph-container"></div>

<script>
'use strict';

var ogma = new Ogma({
  container: 'graph-container'
});

ogma.generate.barabasiAlbert({
  nodes : 100,
  m0: 10,
  m: 1
}).then(function(graph) {
  ogma.setGraph(graph);


  // Set node size to order them by size.
  var i = 2;
  ogma.getNodes().forEach(function(node) {
    node.setAttributes({ radius: i });
    // node.size = i;
    i += 0.1
  });

  ogma.layouts.concentric({
    centralNode: 0,
    allowOverlap: false,
    sortBy: 'radius' // or any node property
  })
  .then(function() {
    console.log('done');
    ogma.view.locateGraph({
      easing: 'linear',
      duration: 300
    });
  });
});

</script>
</body>
</html>