(function() {
  var clusters, height, items, leaves, original, result, scale, svg, tree, width;

  svg = d3.select('svg');

  width = svg.node().getBoundingClientRect().width;

  height = svg.node().getBoundingClientRect().height;

  svg.attr({
    viewBox: "" + (-width / 2) + " " + (-height / 2) + " " + width + " " + height
  });

  items = d3.range(147).map(function(d) {
    return [70 + Math.random() * 150, 70 + Math.random() * 150, 70 + Math.random() * 150];
  });

  console.debug('Computing hierarchical clustering...');

  clusters = clusterfck.hcluster(items, clusterfck.EUCLIDEAN_DISTANCE, clusterfck.AVERAGE_LINKAGE);

  tree = tree_utils.binary_to_std(clusters);

  leaves = tree_utils.get_leaves(tree);

  console.debug('Computing the Space-Filling Curve layouts...');

  scale = 28;

  sfc_layout.displace(items, sfc_layout.GOSPER, scale, scale, -Math.PI / 6);

  sfc_layout.displace(leaves, sfc_layout.GOSPER, scale, scale, -Math.PI / 6);

  console.debug('Drawing...');

  original = svg.append('g').attr('transform', 'translate(-240,0)');

  result = svg.append('g').attr('transform', 'translate(240,0)');

  original.selectAll('.cell').data(items).enter().append('path').attr('class', 'cell').attr('d', jigsaw.hex_generate_svg_path(scale)).attr('transform', function(d) {
    return "translate(" + d.x + "," + d.y + ")";
  }).attr('fill', function(d) {
    return d3.rgb(d[0], d[1], d[2]);
  });

  result.selectAll('.cell').data(leaves).enter().append('path').attr('class', 'cell').attr('d', jigsaw.hex_generate_svg_path(scale)).attr('transform', function(d) {
    return "translate(" + d.x + "," + d.y + ")";
  }).attr('fill', function(d) {
    return d3.rgb(d.value[0], d.value[1], d.value[2]);
  });

}).call(this);