abdullacontractor/index.html

## index.html
!DOCTYPE html>
<meta charset="utf-8">
<body>
<script src="//d3js.org/d3.v3.min.js"></script>
<script>
var width = 960;
var height = 500;
var nodes = d3.range(200).map(function() { return {radius: Math.random() * 12 + 4}; });
var root = nodes[0];
var color = d3.scale.category10();
root.x = width / 2;
root.y = height / 2;
root.fixed = true;
var force = d3.layout.force()
    .gravity(0.05)
    .charge(0)
    .nodes(nodes)
    .size([width, height]);
force.start();
var svg = d3.select("body").append("svg")
    .attr("width", width)
    .attr("height", height);
svg.selectAll("circle")
    .data(nodes.slice(1))
  .enter().append("circle")
    .attr("r", function(d) { return d.radius; })
    .style("fill", function(d, i) { return color(i % 3); });
force.on("tick", function(e) {
  var q = d3.geom.quadtree(nodes);
  var i = 0;
  var n = nodes.length;
  while (++i < n) {
    q.visit(collide(nodes[i]));
  }
  svg.selectAll("circle")
      .attr("cx", function(d) { return d.x; })
      .attr("cy", function(d) { return d.y; });
});
function collide(node) {
  var r = node.radius + 16,
      nx1 = node.x - r,
      nx2 = node.x + r,
      ny1 = node.y - r,
      ny2 = node.y + r;
  return function(quad, x1, y1, x2, y2) {
    if (quad.point && (quad.point !== node)) {
      var x = node.x - quad.point.x;
      var y = node.y - quad.point.y;
      var l = Math.sqrt(x * x + y * y);
      var r = node.radius + quad.point.radius;
      if (l < r) {
        l = (l - r) / l * .5;
        x *= l
        y *= l
        node.x -= x;
        node.y -= y;
        quad.point.x += x;
        quad.point.y += y;
      }
    }
    return x1 > nx2 || x2 < nx1 || y1 > ny2 || y2 < ny1;
  };
}
</script>
	!DOCTYPE html>
	<meta charset="utf-8">
	<body>
	<script src="//d3js.org/d3.v3.min.js"></script>
	<script>
	var width = 960;
	var height = 500;
	var nodes = d3.range(200).map(function() { return {radius: Math.random() * 12 + 4}; });
	var root = nodes[0];
	var color = d3.scale.category10();
	root.x = width / 2;
	root.y = height / 2;
	root.fixed = true;
	var force = d3.layout.force()
	.gravity(0.05)
	.charge(0)
	.nodes(nodes)
	.size([width, height]);
	force.start();
	var svg = d3.select("body").append("svg")
	.attr("width", width)
	.attr("height", height);
	svg.selectAll("circle")
	.data(nodes.slice(1))
	.enter().append("circle")
	.attr("r", function(d) { return d.radius; })
	.style("fill", function(d, i) { return color(i % 3); });
	force.on("tick", function(e) {
	var q = d3.geom.quadtree(nodes);
	var i = 0;
	var n = nodes.length;
	while (++i < n) {
	q.visit(collide(nodes[i]));
	}
	svg.selectAll("circle")
	.attr("cx", function(d) { return d.x; })
	.attr("cy", function(d) { return d.y; });
	});
	function collide(node) {
	var r = node.radius + 16,
	nx1 = node.x - r,
	nx2 = node.x + r,
	ny1 = node.y - r,
	ny2 = node.y + r;
	return function(quad, x1, y1, x2, y2) {
	if (quad.point && (quad.point !== node)) {
	var x = node.x - quad.point.x;
	var y = node.y - quad.point.y;
	var l = Math.sqrt(x * x + y * y);
	var r = node.radius + quad.point.radius;
	if (l < r) {
	l = (l - r) / l * .5;
	x *= l
	y *= l
	node.x -= x;
	node.y -= y;
	quad.point.x += x;
	quad.point.y += y;
	}
	}
	return x1 > nx2 \|\| x2 < nx1 \|\| y1 > ny2 \|\| y2 < ny1;
	};
	}
	</script>