D3 Examples - MapBox + Raphael

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<!DOCTYPE html>
<html>
<head>
  <script src='https://api.tiles.mapbox.com/mapbox.js/v0.6.5/mapbox.js'></script>
  <script src='states.js'></script>
  <script src='https://cdn.jsdelivr.net/gh/dmitrybaranovskiy/raphael/raphael-min.js'></script>
  <link
      href='https://api.tiles.mapbox.com/mapbox.js/v0.6.5/mapbox.css'
      rel='stylesheet' />
  <style>
    body { margin:0; padding:0; }
    #map { position:absolute; top:0; bottom:0; width:100%; }
    .r-vec { position:absolute; }
    path {
      fill: #000;
      fill-opacity: .2;
      stroke: #fff;
      stroke-width: 1.5px;
    }
​
    path:hover {
      fill: brown;
      fill-opacity: .7;
    }
  </style>
</head>
<body>
<div id='map'></div>
<script>
  function rlayer() {
      var f = {}, bounds, paths = [], collection;
​
      f.parent = document.createElement('div');
      f.parent.className = 'r-vec';
​
      var R = Raphael(f.parent, 300, 300);
​
      f.project = function(x) {
        var point = f.map.locationPoint({ lat: x[1], lon: x[0] });
        return [point.x, point.y];
      };
​
      var first = true;
      f.draw = function() {
          R.setSize(f.map.dimensions.x, f.map.dimensions.y);
          for (var i = 0; i < collection.features.length; i++) {
              var feature = collection.features[i];
              var str = '';
              var coords = feature.geometry.type === 'Polygon' ? feature.geometry.coordinates[0] : feature.geometry.coordinates[0][0];
              str += 'M ' + f.project(coords[1]);
              for (var j = 1; j < coords.length; j++) {
                  str += 'L ' + f.project(coords[j]);
              }
              str += ' Z ';
              if (paths[i]) {
                  paths[i].attr('path', str);
              } else {
                  paths.push(R.path(str));
              }
          }
      };
​
      f.data = function(x) {
          collection = x;
          return f;
      };
​
      return f;
  }
​
  mapbox.auto('map', 'examples.map-vyofok3q', function(map) {
      l = rlayer().data(states);
      map.addLayer(l);
      map.zoom(3);
  });
</script>
</body>
</html>
    