Orbit Layout 4

readme.md

Mouseover nodes to get details and stop the animation. An example of d3.layout.orbit that demonstrates different revolution speeds, different orbital scales and animation available in the layout.

d3.layout.orbit.js

d3.layout.orbit = function() {
	var currentTickStep = 0;
	var orbitNodes;
	var orbitSize = [1,1];
	var nestedNodes;
	var flattenedNodes = [];
	var tickRadianStep = 0.004363323129985824;
    var orbitDispatch = d3.dispatch('tick');
    var tickInterval;
    var orbitalRings = [];
    var orbitDepthAdjust = function() {return 2.95};
    var childrenAccessor = function(d) {return d.children};
    var tickRadianFunction = function() {return 1};

	function _orbitLayout() {

		return _orbitLayout;
	}

	_orbitLayout.mode = function() {
		//Atomic, Solar, other?
	}

	_orbitLayout.start = function() {
		//activate animation here
		tickInterval = setInterval(
			function() {
			currentTickStep++;
			flattenedNodes.forEach(function(_node){
				if (_node.parent) {
					_node.x = _node.parent.x + ( (_node.parent.ring / 2) * Math.sin( _node.angle + (currentTickStep * tickRadianStep * tickRadianFunction(_node))) );
					_node.y = _node.parent.y + ( (_node.parent.ring / 2) * Math.cos( _node.angle + (currentTickStep * tickRadianStep * tickRadianFunction(_node))) );
				}
			})
			orbitalRings.forEach(function(_ring) {
				_ring.x = _ring.source.x;
				_ring.y = _ring.source.y;
			})
			orbitDispatch.tick();
		}, 
		10);
	}

	_orbitLayout.stop = function() {
		//deactivate animation here
		clearInterval(tickInterval);
	}

	_orbitLayout.speed = function(_degrees) {
		if (!arguments.length) return tickRadianStep / (Math.PI / 360);
		tickRadianStep = tickRadianStep = _degrees * (Math.PI / 360);
		return this;
	}

	_orbitLayout.size = function(_value) {
		if (!arguments.length) return orbitSize;
		orbitSize = _value;
		return this;
		//change size here
	}

	_orbitLayout.revolution = function(_function) {
		//change ring size reduction (make that into dynamic function)
		if (!arguments.length) return tickRadianFunction;
		tickRadianFunction = _function;
		return this
	}

	_orbitLayout.orbitSize = function(_function) {
		//change ring size reduction (make that into dynamic function)
		if (!arguments.length) return orbitDepthAdjust;
		orbitDepthAdjust = _function;
		return this
	}

	_orbitLayout.orbitalRings = function() {
		//return an array of data corresponding to orbital rings
		if (!arguments.length) return orbitalRings;
		return this;
	}

	_orbitLayout.nodes = function(_data) {
    	if (!arguments.length) return flattenedNodes;
    	nestedNodes = _data;
    	calculateNodes();
		return this;
	}

	_orbitLayout.children = function(_function) {
    	if (!arguments.length) return childrenAccessor;
    	
    	//Probably should use d3.functor to turn a string into an object key
    	childrenAccessor = _function;
    	return this;


	}

    d3.rebind(_orbitLayout, orbitDispatch, "on");

	return _orbitLayout;
	function calculateNodes() {
		var _data = nestedNodes; 
	//If you have an array of elements, then create a root node (center)
		//In the future, maybe make a binary star kind of thing?
		if (!childrenAccessor(_data)) {
			orbitNodes = {key: "root", values: _data}
			childrenAccessor(orbitNodes).forEach(function (_node) {
				_node.parent = orbitNodes;
			})
		}
		//otherwise assume it is an object with a root node
		else {
			orbitNodes = _data;
		}
			orbitNodes.x = orbitSize[0] / 2;
			orbitNodes.y = orbitSize[1] / 2;
			orbitNodes.deltaX = function(_x) {return _x}
			orbitNodes.deltaY = function(_y) {return _y}
			orbitNodes.ring = orbitSize[0] / 2;
			orbitNodes.depth = 0;

			flattenedNodes.push(orbitNodes);

			traverseNestedData(orbitNodes)

		function traverseNestedData(_node) {
			if(childrenAccessor(_node)) {
				var thisPie = d3.layout.pie().value(function(d) {return childrenAccessor(d) ? 4 : 1});
				var piedValues = thisPie(childrenAccessor(_node));

				orbitalRings.push({source: _node, x: _node.x, y: _node.y, r: _node.ring / 2});

				for (var x = 0; x<childrenAccessor(_node).length;x++) {

					childrenAccessor(_node)[x].angle = ((piedValues[x].endAngle - piedValues[x].startAngle) / 2) + piedValues[x].startAngle;

					childrenAccessor(_node)[x].parent = _node;
					childrenAccessor(_node)[x].depth = _node.depth + 1;

					childrenAccessor(_node)[x].x = childrenAccessor(_node)[x].parent.x + ( (childrenAccessor(_node)[x].parent.ring / 2) * Math.sin( childrenAccessor(_node)[x].angle ) );
					childrenAccessor(_node)[x].y = childrenAccessor(_node)[x].parent.y + ( (childrenAccessor(_node)[x].parent.ring / 2) * Math.cos( childrenAccessor(_node)[x].angle ) );

					childrenAccessor(_node)[x].deltaX = function(_x) {return _x}
					childrenAccessor(_node)[x].deltaY = function(_y) {return _y}
					childrenAccessor(_node)[x].ring = childrenAccessor(_node)[x].parent.ring / orbitDepthAdjust(_node);

					flattenedNodes.push(childrenAccessor(_node)[x]);
					traverseNestedData(childrenAccessor(_node)[x]);
				}
			}
		}
	}

}

flare.json

{
 "name": "flare",
 "children": [
  {
   "name": "analytics",
   "children": [
    {
     "name": "cluster",
     "children": [
      {"name": "AgglomerativeCluster", "size": 3938},
      {"name": "CommunityStructure", "size": 3812},
      {"name": "HierarchicalCluster", "size": 6714},
      {"name": "MergeEdge", "size": 743}
     ]
    },
    {
     "name": "graph",
     "children": [
      {"name": "BetweennessCentrality", "size": 3534},
      {"name": "LinkDistance", "size": 5731},
      {"name": "MaxFlowMinCut", "size": 7840},
      {"name": "ShortestPaths", "size": 5914},
      {"name": "SpanningTree", "size": 3416}
     ]
    },
    {
     "name": "optimization",
     "children": [
      {"name": "AspectRatioBanker", "size": 7074}
     ]
    }
   ]
  },
  {
   "name": "animate",
   "children": [
    {"name": "Easing", "size": 17010},
    {"name": "FunctionSequence", "size": 5842},
    {
     "name": "interpolate",
     "children": [
      {"name": "ArrayInterpolator", "size": 1983},
      {"name": "ColorInterpolator", "size": 2047},
      {"name": "DateInterpolator", "size": 1375},
      {"name": "Interpolator", "size": 8746},
      {"name": "MatrixInterpolator", "size": 2202},
      {"name": "NumberInterpolator", "size": 1382},
      {"name": "ObjectInterpolator", "size": 1629},
      {"name": "PointInterpolator", "size": 1675},
      {"name": "RectangleInterpolator", "size": 2042}
     ]
    },
    {"name": "ISchedulable", "size": 1041},
    {"name": "Parallel", "size": 5176},
    {"name": "Pause", "size": 449},
    {"name": "Scheduler", "size": 5593},
    {"name": "Sequence", "size": 5534},
    {"name": "Transition", "size": 9201},
    {"name": "Transitioner", "size": 19975},
    {"name": "TransitionEvent", "size": 1116},
    {"name": "Tween", "size": 6006}
   ]
  },
  {
   "name": "data",
   "children": [
    {
     "name": "converters",
     "children": [
      {"name": "Converters", "size": 721},
      {"name": "DelimitedTextConverter", "size": 4294},
      {"name": "GraphMLConverter", "size": 9800},
      {"name": "IDataConverter", "size": 1314},
      {"name": "JSONConverter", "size": 2220}
     ]
    },
    {"name": "DataField", "size": 1759},
    {"name": "DataSchema", "size": 2165},
    {"name": "DataSet", "size": 586},
    {"name": "DataSource", "size": 3331},
    {"name": "DataTable", "size": 772},
    {"name": "DataUtil", "size": 3322}
   ]
  },
  {
   "name": "display",
   "children": [
    {"name": "DirtySprite", "size": 8833},
    {"name": "LineSprite", "size": 1732},
    {"name": "RectSprite", "size": 3623},
    {"name": "TextSprite", "size": 10066}
   ]
  },
  {
   "name": "flex",
   "children": [
    {"name": "FlareVis", "size": 4116}
   ]
  },
  {
   "name": "physics",
   "children": [
    {"name": "DragForce", "size": 1082},
    {"name": "GravityForce", "size": 1336},
    {"name": "IForce", "size": 319},
    {"name": "NBodyForce", "size": 10498},
    {"name": "Particle", "size": 2822},
    {"name": "Simulation", "size": 9983},
    {"name": "Spring", "size": 2213},
    {"name": "SpringForce", "size": 1681}
   ]
  },
  {
   "name": "query",
   "children": [
    {"name": "AggregateExpression", "size": 1616},
    {"name": "And", "size": 1027},
    {"name": "Arithmetic", "size": 3891},
    {"name": "Average", "size": 891},
    {"name": "BinaryExpression", "size": 2893},
    {"name": "Comparison", "size": 5103},
    {"name": "CompositeExpression", "size": 3677},
    {"name": "Count", "size": 781},
    {"name": "DateUtil", "size": 4141},
    {"name": "Distinct", "size": 933},
    {"name": "Expression", "size": 5130},
    {"name": "ExpressionIterator", "size": 3617},
    {"name": "Fn", "size": 3240},
    {"name": "If", "size": 2732},
    {"name": "IsA", "size": 2039},
    {"name": "Literal", "size": 1214},
    {"name": "Match", "size": 3748},
    {"name": "Maximum", "size": 843},
    {
     "name": "methods",
     "children": [
      {"name": "add", "size": 593},
      {"name": "and", "size": 330},
      {"name": "average", "size": 287},
      {"name": "count", "size": 277},
      {"name": "distinct", "size": 292},
      {"name": "div", "size": 595},
      {"name": "eq", "size": 594},
      {"name": "fn", "size": 460},
      {"name": "gt", "size": 603},
      {"name": "gte", "size": 625},
      {"name": "iff", "size": 748},
      {"name": "isa", "size": 461},
      {"name": "lt", "size": 597},
      {"name": "lte", "size": 619},
      {"name": "max", "size": 283},
      {"name": "min", "size": 283},
      {"name": "mod", "size": 591},
      {"name": "mul", "size": 603},
      {"name": "neq", "size": 599},
      {"name": "not", "size": 386},
      {"name": "or", "size": 323},
      {"name": "orderby", "size": 307},
      {"name": "range", "size": 772},
      {"name": "select", "size": 296},
      {"name": "stddev", "size": 363},
      {"name": "sub", "size": 600},
      {"name": "sum", "size": 280},
      {"name": "update", "size": 307},
      {"name": "variance", "size": 335},
      {"name": "where", "size": 299},
      {"name": "xor", "size": 354},
      {"name": "_", "size": 264}
     ]
    },
    {"name": "Minimum", "size": 843},
    {"name": "Not", "size": 1554},
    {"name": "Or", "size": 970},
    {"name": "Query", "size": 13896},
    {"name": "Range", "size": 1594},
    {"name": "StringUtil", "size": 4130},
    {"name": "Sum", "size": 791},
    {"name": "Variable", "size": 1124},
    {"name": "Variance", "size": 1876},
    {"name": "Xor", "size": 1101}
   ]
  },
  {
   "name": "scale",
   "children": [
    {"name": "IScaleMap", "size": 2105},
    {"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}
   ]
  },
  {
   "name": "util",
   "children": [
    {"name": "Arrays", "size": 8258},
    {"name": "Colors", "size": 10001},
    {"name": "Dates", "size": 8217},
    {"name": "Displays", "size": 12555},
    {"name": "Filter", "size": 2324},
    {"name": "Geometry", "size": 10993},
    {
     "name": "heap",
     "children": [
      {"name": "FibonacciHeap", "size": 9354},
      {"name": "HeapNode", "size": 1233}
     ]
    },
    {"name": "IEvaluable", "size": 335},
    {"name": "IPredicate", "size": 383},
    {"name": "IValueProxy", "size": 874},
    {
     "name": "math",
     "children": [
      {"name": "DenseMatrix", "size": 3165},
      {"name": "IMatrix", "size": 2815},
      {"name": "SparseMatrix", "size": 3366}
     ]
    },
    {"name": "Maths", "size": 17705},
    {"name": "Orientation", "size": 1486},
    {
     "name": "palette",
     "children": [
      {"name": "ColorPalette", "size": 6367},
      {"name": "Palette", "size": 1229},
      {"name": "ShapePalette", "size": 2059},
      {"name": "SizePalette", "size": 2291}
     ]
    },
    {"name": "Property", "size": 5559},
    {"name": "Shapes", "size": 19118},
    {"name": "Sort", "size": 6887},
    {"name": "Stats", "size": 6557},
    {"name": "Strings", "size": 22026}
   ]
  },
  {
   "name": "vis",
   "children": [
    {
     "name": "axis",
     "children": [
      {"name": "Axes", "size": 1302},
      {"name": "Axis", "size": 24593},
      {"name": "AxisGridLine", "size": 652},
      {"name": "AxisLabel", "size": 636},
      {"name": "CartesianAxes", "size": 6703}
     ]
    },
    {
     "name": "controls",
     "children": [
      {"name": "AnchorControl", "size": 2138},
      {"name": "ClickControl", "size": 3824},
      {"name": "Control", "size": 1353},
      {"name": "ControlList", "size": 4665},
      {"name": "DragControl", "size": 2649},
      {"name": "ExpandControl", "size": 2832},
      {"name": "HoverControl", "size": 4896},
      {"name": "IControl", "size": 763},
      {"name": "PanZoomControl", "size": 5222},
      {"name": "SelectionControl", "size": 7862},
      {"name": "TooltipControl", "size": 8435}
     ]
    },
    {
     "name": "data",
     "children": [
      {"name": "Data", "size": 20544},
      {"name": "DataList", "size": 19788},
      {"name": "DataSprite", "size": 10349},
      {"name": "EdgeSprite", "size": 3301},
      {"name": "NodeSprite", "size": 19382},
      {
       "name": "render",
       "children": [
        {"name": "ArrowType", "size": 698},
        {"name": "EdgeRenderer", "size": 5569},
        {"name": "IRenderer", "size": 353},
        {"name": "ShapeRenderer", "size": 2247}
       ]
      },
      {"name": "ScaleBinding", "size": 11275},
      {"name": "Tree", "size": 7147},
      {"name": "TreeBuilder", "size": 9930}
     ]
    },
    {
     "name": "events",
     "children": [
      {"name": "DataEvent", "size": 2313},
      {"name": "SelectionEvent", "size": 1880},
      {"name": "TooltipEvent", "size": 1701},
      {"name": "VisualizationEvent", "size": 1117}
     ]
    },
    {
     "name": "legend",
     "children": [
      {"name": "Legend", "size": 20859},
      {"name": "LegendItem", "size": 4614},
      {"name": "LegendRange", "size": 10530}
     ]
    },
    {
     "name": "operator",
     "children": [
      {
       "name": "distortion",
       "children": [
        {"name": "BifocalDistortion", "size": 4461},
        {"name": "Distortion", "size": 6314},
        {"name": "FisheyeDistortion", "size": 3444}
       ]
      },
      {
       "name": "encoder",
       "children": [
        {"name": "ColorEncoder", "size": 3179},
        {"name": "Encoder", "size": 4060},
        {"name": "PropertyEncoder", "size": 4138},
        {"name": "ShapeEncoder", "size": 1690},
        {"name": "SizeEncoder", "size": 1830}
       ]
      },
      {
       "name": "filter",
       "children": [
        {"name": "FisheyeTreeFilter", "size": 5219},
        {"name": "GraphDistanceFilter", "size": 3165},
        {"name": "VisibilityFilter", "size": 3509}
       ]
      },
      {"name": "IOperator", "size": 1286},
      {
       "name": "label",
       "children": [
        {"name": "Labeler", "size": 9956},
        {"name": "RadialLabeler", "size": 3899},
        {"name": "StackedAreaLabeler", "size": 3202}
       ]
      },
      {
       "name": "layout",
       "children": [
        {"name": "AxisLayout", "size": 6725},
        {"name": "BundledEdgeRouter", "size": 3727},
        {"name": "CircleLayout", "size": 9317},
        {"name": "CirclePackingLayout", "size": 12003},
        {"name": "DendrogramLayout", "size": 4853},
        {"name": "ForceDirectedLayout", "size": 8411},
        {"name": "IcicleTreeLayout", "size": 4864},
        {"name": "IndentedTreeLayout", "size": 3174},
        {"name": "Layout", "size": 7881},
        {"name": "NodeLinkTreeLayout", "size": 12870},
        {"name": "PieLayout", "size": 2728},
        {"name": "RadialTreeLayout", "size": 12348},
        {"name": "RandomLayout", "size": 870},
        {"name": "StackedAreaLayout", "size": 9121},
        {"name": "TreeMapLayout", "size": 9191}
       ]
      },
      {"name": "Operator", "size": 2490},
      {"name": "OperatorList", "size": 5248},
      {"name": "OperatorSequence", "size": 4190},
      {"name": "OperatorSwitch", "size": 2581},
      {"name": "SortOperator", "size": 2023}
     ]
    },
    {"name": "Visualization", "size": 16540}
   ]
  }
 ]
}

index.html

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
  <title>Orbits 3</title>
  <meta charset="utf-8" />
</head>
<style>

  #viz, svg {
    width: 1000px;
    height: 1000px;
  }
  
</style>
<script>


function makeViz() {

  d3.json("flare.json", function(data) {drawOrbit(data)});


}

function drawOrbit(_data) {

  //down with category20a()!!
  colors = d3.scale.category20b();

  orbitScale = d3.scale.linear().domain([1, 3]).range([3.8, 1.5]).clamp(true);
  radiusScale = d3.scale.linear().domain([0,1,2,3]).range([20,10,3,1]).clamp(true);


  orbit = d3.layout.orbit().size([1000,1000])
  .children(function(d) {return d.children})
  .revolution(function(d) {return d.depth})
  .orbitSize(function(d) {return orbitScale(d.depth)})
  .speed(.1)
  .nodes(_data);

  d3.select("svg").selectAll("g.node").data(orbit.nodes())
  .enter()
  .append("g")
  .attr("class", "node")
  .attr("transform", function(d) {return "translate(" +d.x +"," + d.y+")"})
  .on("mouseover", nodeOver)
  .on("mouseout", nodeOut)

  d3.selectAll("g.node")
  .append("circle")
  .attr("r", function(d) {return radiusScale(d.depth)})
  .style("fill", function(d) {return colors(d.depth)})

  d3.select("svg").selectAll("circle.orbits")
  .data(orbit.orbitalRings())
  .enter()
  .insert("circle", "g")
  .attr("class", "ring")
  .attr("r", function(d) {return d.r})
  .attr("cx", function(d) {return d.x})
  .attr("cy", function(d) {return d.y})
  .style("fill", "none")
  .style("stroke", "black")
  .style("stroke-width", "1px")
  .style("stroke-opacity", .15)

  orbit.on("tick", function() {
    d3.selectAll("g.node")
      .attr("transform", function(d) {return "translate(" +d.x +"," + d.y+")"});

    d3.selectAll("circle.ring")
    .attr("cx", function(d) {return d.x})
    .attr("cy", function(d) {return d.y});
  });

  orbit.start();

  function nodeOver(d) {
    orbit.stop();
    d3.select(this).append("text").text(d.name).style("text-anchor", "middle").attr("y", 35);
    d3.select(this).select("circle").style("stroke", "black").style("stroke-width", 3);
  }

  function nodeOut() {
    orbit.start();
    d3.selectAll("text").remove();
    d3.selectAll("g.node > circle").style("stroke", "none").style("stroke-width", 0);    
  }


}

</script>
<body onload="makeViz()">
<div id="viz"><svg></svg></div>
<footer>
<script src="http://d3js.org/d3.v3.min.js" charset="utf-8" type="text/javascript"></script>
<script src="d3.layout.orbit.js" charset="utf-8" type="text/javascript"></script>
</footer>
</body>
</html>

thumbnail.png