D3 Examples - sankey test

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<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <script src="https://d3js.org/d3.v4.min.js"></script>
  <script src="sankey.js"></script>
  <style>
    body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
  </style>
</head>
​
<body>
  <script>
    
    // based on Mike Bostock's https://blockbuilder.org/mbostock/ca9a0bb7ba204d12974bca90acc507c0
    
    // hand creating a simple structure for nodes/links
    var energy = {'nodes': [{'id': 'A',
                            'value': 10},
{'id': 'B',
                            'value': 2},
                           {'id': 'C',
                            'value': 5},
                           ,
                           {'id': 'D',
                            'value': 1}],
                 'links':[{'source': 'A',
                          'target': 'B',
                          'value': 3},
                         {'source': 'B',
                          'target': 'C',
                          'value': 6},
                         {'source': 'B',
                          'target': 'D',
                          'value': 8}]};
      // set the dimensions and margins of the graph
      var margin = {top: 10, right: 10, bottom: 10, left: 10},
          width = window.innerWidth - margin.left - margin.right,
          height = window.innerHeight - margin.top - margin.bottom;           
​
var svg = d3.select("body")
.append('svg')
.attr('width', width)
.attr('height', height);
    
    var sankey = d3.sankey()
​
  </script>
</body>
​
    