Bestra · December 17, 2015 01:30
diff --git a/index.html b/index.html
 <!DOCTYPE html>
 <meta charset="utf-8">
 <style>
 .node {
  stroke: #fff;
  stroke-width: 1.5px;
 }
 .node text {
  font: 10px sans-serif;
  pointer-events: none;
  stroke: none;
 }
 .smallNode {
  stroke: #fff;
  stroke-width: 1.5px;
 }

 .sibLink {
  fill: none;
  stroke: #bbb;
 }

 .biLink {
  fill: none;
  stroke: #bbb;
 }
 </style>
 <body>
 <script src="http://d3js.org/d3.v2.min.js?2.10.0"></script>
 <script>

 var graph = {
  nodes: d3.range(7).map(Object),
  links: [
    {source:  0, target:  1, type: 'child'},
    {source:  0, target:  2, type: 'child'},
    {source:  2, target:  4, type: 'child'},
    {source:  2, target:  5, type: 'child'},
    {source:  4, target:  5, type: 'sibling'},
    {source:  0, target:  3, type: 'child'},
    {source:  2, target:  3, type: 'sibling'},
    {source:  1, target:  2, type: 'sibling'},
    {source:  3, target:  6, type: 'child'},
  ]
 };

 var width = 960,
 height = 500;

 var svg = d3.select("body").append("svg")
  .attr("width", width)
  .attr("weight", height);

 var nodes = graph.nodes.slice(),
 links = [],
 bilinks = [];

 graph.links.forEach(function(link) {
  var s = nodes[link.source],
  t = nodes[link.target];
  if (link.type === 'child') {
      var i = {}; // intermediate node
      nodes.push(i);
      links.push({source: s, target: i, type: link.type},
                 {source: i, target: t, type: link.type});
      bilinks.push([s, i, t]);
  } else {
      links.push({source: s, target: t, type: link.type});
  }
 });

 function linkDist(o, i) {
    if(o.type === 'sibling') {return 60;}
    else return 30;
 }

 var color = d3.scale.category10();
 var force = d3.layout.force()
  .nodes(nodes)
  .links(links)
  .size([width, height])
  .charge(-200)
  .gravity(0)
  .alpha(.05)
  .linkDistance(linkDist)
  .linkStrength(3)
  .on("tick", tick);
 var topNode = force.nodes()[0];
 topNode.fixed = true
 topNode.x = 480;
 topNode.y = 50;

 force.start();
 function adjustSiblingNodes(node1, node2, alpha) {
  var force = (node1.y - node2.y) * .15;

  if (node1.index == 2) console.log(node1.index + ":" + node2.index + ":" + force);
  node1.y -= force;
  node2.y += force;

 }

 var biLink = svg.selectAll(".biLink")
  .data(bilinks)
  .enter().append("path")
  .attr("class", "biLink");

 var sibLink = svg.selectAll('.sibLink')
    .data(links.filter(function(e) { return e.type === 'sibling'; }))
    .enter().append('line')
    .attr('class', 'sibLink');

 var rectWidth = 20;
 var rectHeight = 20;
 var rectRadius = 5;
 var node = svg.selectAll(".node")
  .data(graph.nodes)
  .enter().append("g")
  .attr("class", "node")

 node.append("svg:rect")
  .style("fill", function(d, i) { return color(i); })
  .attr("rx", rectRadius)
  .attr("ry", rectRadius)
  .attr('width', rectWidth)
  .attr('height', rectHeight);
 node.append("text")
  .attr("dy", ".35em")
  .attr("text-anchor", "middle")
  .text(function(d) { return d.index; })
  .style('fill', 'black');

 var biNode = svg.selectAll('.smallNode')
  .data(nodes)
  .enter().append('circle')
  .attr('class','smallNode')
  .style("fill", function(d, i) { return color(i); })
  .attr('r', 5);

 function tick(e) {
  biLink.attr("d", function(d) {
    return "M" + d[0].x + "," + d[0].y
    + "S" + d[1].x + "," + d[1].y
    + " " + d[2].x + "," + d[2].y;
  });

  sibLink.attr("x1", function(d) { return d.source.x; })
          .attr("y1", function(d) { return d.source.y; })
          .attr("x2", function(d) { return d.target.x; })
          .attr("y2", function(d) { return d.target.y; });


  nodes.forEach(function(o, i) {
    if (!o.fixed) {
      o.y += 10 * e.alpha;
    }
  });

  links.forEach(function(d) {
    if (d.type === 'sibling') {
      adjustSiblingNodes(d.source, d.target, e.alpha);
    }
  });



  biNode.attr("cx", function(d) { return d.x; })
        .attr("cy", function(d) { return d.y; });
  node.attr("transform", function(d) { return "translate(" + (d.x - rectWidth/2) + "," + (d.y - rectHeight/2) + ")"; });
 }

 </script>
diff --git a/thumbnail.png b/thumbnail.png
	<!DOCTYPE html>
	<meta charset="utf-8">
	<style>
	.node {
	stroke: #fff;
	stroke-width: 1.5px;
	}
	.node text {
	font: 10px sans-serif;
	pointer-events: none;
	stroke: none;
	}
	.smallNode {
	stroke: #fff;
	stroke-width: 1.5px;
	}

	.sibLink {
	fill: none;
	stroke: #bbb;
	}

	.biLink {
	fill: none;
	stroke: #bbb;
	}
	</style>
	<body>
	<script src="http://d3js.org/d3.v2.min.js?2.10.0"></script>
	<script>

	var graph = {
	nodes: d3.range(7).map(Object),
	links: [
	{source: 0, target: 1, type: 'child'},
	{source: 0, target: 2, type: 'child'},
	{source: 2, target: 4, type: 'child'},
	{source: 2, target: 5, type: 'child'},
	{source: 4, target: 5, type: 'sibling'},
	{source: 0, target: 3, type: 'child'},
	{source: 2, target: 3, type: 'sibling'},
	{source: 1, target: 2, type: 'sibling'},
	{source: 3, target: 6, type: 'child'},
	]
	};

	var width = 960,
	height = 500;

	var svg = d3.select("body").append("svg")
	.attr("width", width)
	.attr("weight", height);

	var nodes = graph.nodes.slice(),
	links = [],
	bilinks = [];

	graph.links.forEach(function(link) {
	var s = nodes[link.source],
	t = nodes[link.target];
	if (link.type === 'child') {
	var i = {}; // intermediate node
	nodes.push(i);
	links.push({source: s, target: i, type: link.type},
	{source: i, target: t, type: link.type});
	bilinks.push([s, i, t]);
	} else {
	links.push({source: s, target: t, type: link.type});
	}
	});

	function linkDist(o, i) {
	if(o.type === 'sibling') {return 60;}
	else return 30;
	}

	var color = d3.scale.category10();
	var force = d3.layout.force()
	.nodes(nodes)
	.links(links)
	.size([width, height])
	.charge(-200)
	.gravity(0)
	.alpha(.05)
	.linkDistance(linkDist)
	.linkStrength(3)
	.on("tick", tick);
	var topNode = force.nodes()[0];
	topNode.fixed = true
	topNode.x = 480;
	topNode.y = 50;

	force.start();
	function adjustSiblingNodes(node1, node2, alpha) {
	var force = (node1.y - node2.y) * .15;

	if (node1.index == 2) console.log(node1.index + ":" + node2.index + ":" + force);
	node1.y -= force;
	node2.y += force;

	}

	var biLink = svg.selectAll(".biLink")
	.data(bilinks)
	.enter().append("path")
	.attr("class", "biLink");

	var sibLink = svg.selectAll('.sibLink')
	.data(links.filter(function(e) { return e.type === 'sibling'; }))
	.enter().append('line')
	.attr('class', 'sibLink');

	var rectWidth = 20;
	var rectHeight = 20;
	var rectRadius = 5;
	var node = svg.selectAll(".node")
	.data(graph.nodes)
	.enter().append("g")
	.attr("class", "node")

	node.append("svg:rect")
	.style("fill", function(d, i) { return color(i); })
	.attr("rx", rectRadius)
	.attr("ry", rectRadius)
	.attr('width', rectWidth)
	.attr('height', rectHeight);
	node.append("text")
	.attr("dy", ".35em")
	.attr("text-anchor", "middle")
	.text(function(d) { return d.index; })
	.style('fill', 'black');

	var biNode = svg.selectAll('.smallNode')
	.data(nodes)
	.enter().append('circle')
	.attr('class','smallNode')
	.style("fill", function(d, i) { return color(i); })
	.attr('r', 5);

	function tick(e) {
	biLink.attr("d", function(d) {
	return "M" + d[0].x + "," + d[0].y
	+ "S" + d[1].x + "," + d[1].y
	+ " " + d[2].x + "," + d[2].y;
	});

	sibLink.attr("x1", function(d) { return d.source.x; })
	.attr("y1", function(d) { return d.source.y; })
	.attr("x2", function(d) { return d.target.x; })
	.attr("y2", function(d) { return d.target.y; });


	nodes.forEach(function(o, i) {
	if (!o.fixed) {
	o.y += 10 * e.alpha;
	}
	});

	links.forEach(function(d) {
	if (d.type === 'sibling') {
	adjustSiblingNodes(d.source, d.target, e.alpha);
	}
	});



	biNode.attr("cx", function(d) { return d.x; })
	.attr("cy", function(d) { return d.y; });
	node.attr("transform", function(d) { return "translate(" + (d.x - rectWidth/2) + "," + (d.y - rectHeight/2) + ")"; });
	}

	</script>