billroy/force-bounds-titles.html

## force-bounds-titles.html
<!DOCTYPE html>
<html>
  <head>
    <title>Force-Directed Layout</title>
    <script type="text/javascript" src="../../d3.v2.js"></script>
    <style type="text/css">

circle {
  stroke-width: 1.5px;
}

line {
  stroke: #999;
}

    </style>
  </head>
  <body>
    <script type="text/javascript">

var width = 960,
    height = 500,
    radius = 6,
    fill = d3.scale.category20();

var force = d3.layout.force()
    .gravity(.01)
    .charge(-120)
    .linkDistance(30)
    .size([width, height]);

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

d3.json("miserables.json", function(json) {
  var link = svg.selectAll("line")
      .data(json.links)
    .enter().append("line");

	var node_title = svg.selectAll("text")
		.data(json.nodes)
		.enter().append("text")
		.attr("text-anchor", "start")
		.attr("dy", "1em")
		.text(function(d) { return d.name; });

  var node = svg.selectAll("circle")
      .data(json.nodes)
    .enter().append("circle")
      .attr("r", radius - .75)
      .style("fill", function(d) { return fill(d.group); })
      .style("stroke", function(d) { return d3.rgb(fill(d.group)).darker(); })
      .call(force.drag);

  force
      .nodes(json.nodes)
      .links(json.links)
      .on("tick", tick)
      .start();

  function tick() {
    node.attr("cx", function(d) { return d.x = Math.max(radius, Math.min(width - radius, d.x)); })
        .attr("cy", function(d) { return d.y = Math.max(radius, Math.min(height - radius, d.y)); });

	node_title.attr("x", function(d) { return d.x; })
		.attr("y", function(d) { return d.y; });

    link.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; });
  }
});

    </script>
  </body>
</html>
	<!DOCTYPE html>
	<html>
	<head>
	<title>Force-Directed Layout</title>
	<script type="text/javascript" src="../../d3.v2.js"></script>
	<style type="text/css">

	circle {
	stroke-width: 1.5px;
	}

	line {
	stroke: #999;
	}

	</style>
	</head>
	<body>
	<script type="text/javascript">

	var width = 960,
	height = 500,
	radius = 6,
	fill = d3.scale.category20();

	var force = d3.layout.force()
	.gravity(.01)
	.charge(-120)
	.linkDistance(30)
	.size([width, height]);

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

	d3.json("miserables.json", function(json) {
	var link = svg.selectAll("line")
	.data(json.links)
	.enter().append("line");

	var node_title = svg.selectAll("text")
	.data(json.nodes)
	.enter().append("text")
	.attr("text-anchor", "start")
	.attr("dy", "1em")
	.text(function(d) { return d.name; });

	var node = svg.selectAll("circle")
	.data(json.nodes)
	.enter().append("circle")
	.attr("r", radius - .75)
	.style("fill", function(d) { return fill(d.group); })
	.style("stroke", function(d) { return d3.rgb(fill(d.group)).darker(); })
	.call(force.drag);

	force
	.nodes(json.nodes)
	.links(json.links)
	.on("tick", tick)
	.start();

	function tick() {
	node.attr("cx", function(d) { return d.x = Math.max(radius, Math.min(width - radius, d.x)); })
	.attr("cy", function(d) { return d.y = Math.max(radius, Math.min(height - radius, d.y)); });

	node_title.attr("x", function(d) { return d.x; })
	.attr("y", function(d) { return d.y; });

	link.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; });
	}
	});

	</script>
	</body>
	</html>