Sunburst with Distortion

.block

license: gpl-3.0

readme.json

{
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      {"name": "DateInterpolator", "size": 1375},
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    {"name": "ExpressionIterator", "size": 3617},
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    {"name": "If", "size": 2732},
    {"name": "IsA", "size": 2039},
    {"name": "Literal", "size": 1214},
    {"name": "Match", "size": 3748},
    {"name": "Maximum", "size": 843},
    {
     "name": "methods",
     "children": [
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  },
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   "name": "scale",
   "children": [
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    {"name": "LinearScale", "size": 1316},
    {"name": "LogScale", "size": 3151},
    {"name": "OrdinalScale", "size": 3770},
    {"name": "QuantileScale", "size": 2435},
    {"name": "QuantitativeScale", "size": 4839},
    {"name": "RootScale", "size": 1756},
    {"name": "Scale", "size": 4268},
    {"name": "ScaleType", "size": 1821},
    {"name": "TimeScale", "size": 5833}
   ]
  },
  {
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    {"name": "Colors", "size": 10001},
    {"name": "Dates", "size": 8217},
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    {"name": "Filter", "size": 2324},
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    {
     "name": "heap",
     "children": [
      {"name": "FibonacciHeap", "size": 9354},
      {"name": "HeapNode", "size": 1233}
     ]
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    {"name": "IEvaluable", "size": 335},
    {"name": "IPredicate", "size": 383},
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     "name": "math",
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     ]
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     "name": "palette",
     "children": [
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      {"name": "ShapePalette", "size": 2059},
      {"name": "SizePalette", "size": 2291}
     ]
    },
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    {"name": "Strings", "size": 22026}
   ]
  },
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     "children": [
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     ]
    },
    {
     "name": "controls",
     "children": [
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      {"name": "ClickControl", "size": 3824},
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      {"name": "ControlList", "size": 4665},
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     ]
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     ]
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     "name": "legend",
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     ]
    },
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     "name": "operator",
     "children": [
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       "name": "distortion",
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   ]
  }
 ]
}

README.md

A sunburst (radial partition layout) built with D3, featuring interactive distortion based on InterRing: when you click on a node, it expands to fill 80% of the parent arc. Clicking on the root node resets all distortions.

index.html

<!DOCTYPE html>
<meta charset="utf-8">
<style>

path {
  stroke: #fff;
}

</style>
<body>
<script src="//d3js.org/d3.v3.min.js"></script>
<script>

var width = 960,
    height = 500,
    radius = 230;

var color = d3.scale.category20c();

var partition = d3.layout.partition()
    .size([2 * Math.PI, radius])
    .value(function(d) { return d.size; });

var arc = d3.svg.arc()
    .startAngle(function(d) { return d.x; })
    .endAngle(function(d) { return d.x + d.dx; })
    .innerRadius(function(d) { return d.y; })
    .outerRadius(function(d) { return d.y + d.dy; });

var svg = d3.select("body").append("svg")
    .attr("width", width)
    .attr("height", height)
  .append("g")
    .attr("transform", "translate(" + width / 2 + "," + height / 2 + ")");

d3.json("readme.json", function(error, root) {
  if (error) throw error;

  path = svg.data([root]).selectAll("path")
      .data(partition.nodes)
    .enter().append("path")
      .attr("d", arc)
      .style("fill", function(d) { return color((d.children ? d : d.parent).name); })
      .on("click", magnify)
      .each(stash);
});

// Distort the specified node to 80% of its parent.
function magnify(node) {
  if (parent = node.parent) {
    var parent,
        x = parent.x,
        k = .8;
    parent.children.forEach(function(sibling) {
      x += reposition(sibling, x, sibling === node
          ? parent.dx * k / node.value
          : parent.dx * (1 - k) / (parent.value - node.value));
    });
  } else {
    reposition(node, 0, node.dx / node.value);
  }

  path.transition()
      .duration(750)
      .attrTween("d", arcTween);
}

// Recursively reposition the node at position x with scale k.
function reposition(node, x, k) {
  node.x = x;
  if (node.children && (n = node.children.length)) {
    var i = -1, n;
    while (++i < n) x += reposition(node.children[i], x, k);
  }
  return node.dx = node.value * k;
}

// Stash the old values for transition.
function stash(d) {
  d.x0 = d.x;
  d.dx0 = d.dx;
}

// Interpolate the arcs in data space.
function arcTween(a) {
  var i = d3.interpolate({x: a.x0, dx: a.dx0}, a);
  return function(t) {
    var b = i(t);
    a.x0 = b.x;
    a.dx0 = b.dx;
    return arc(b);
  };
}

</script>

thumbnail.png

Hi Mike,

Can i use it for commercial purpose with some custom modification?

Is there any license limitation?

Awaiting for your reply.

Thanks,
Saji.