sirmxanot · August 29, 2015 14:21
diff --git a/index.html b/index.html
 <!DOCTYPE html>
 <html>
  <head>
    <meta http-equiv="Content-Type" content="text/html;charset=utf-8"/>
    <link type="text/css" rel="stylesheet" href="style.css"/>
    <script type="text/javascript" src="js/d3.v3.min.js"></script>
    <script>
      (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
      (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
      m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
      })(window,document,'script','//www.google-analytics.com/analytics.js','ga');

      ga('create', 'UA-55956641-1', 'auto');
      ga('send', 'pageview');

    </script>
  </head>
  <body>
    <div id="body">
      <div id="header">
        Tools and Libraries for Building Web-based Data Visualisations
      </div>
      <div id="footer">
        <div class="hint"><p>This is an overview of tools available for building web-based data visualisations and is for a presentation by <a href="http://animateddata.co.uk">Peter Cook</a> at <a href="http://www.meetup.com/Data-Visualisation-Brighton/">Data Visualisation Brighton</a>.</p><p>It is not comprehensive. If you feel there's a glaring omission please <a href="http://animateddata.co.uk/contact/">contact me</a>. (For a more comprehensive list try Andy Kirk's <a href="http://www.visualisingdata.com/index.php/resources/">Visualising Data</a>.)</p><p>This is an adaptation of Mike Bostock's D3 tree layout <a href="http://mbostock.github.io/d3/talk/20111018/tree.html">example</a>. Thanks Mike :)</p><p>Click a circle to expand or collapse. Grey indicates not free.</p><p>I'm available <a href="http://animateddata.co.uk/contact">for hire</a>.</p><p><a href="http://animateddata.co.uk/training">Find out</a> about my <a href="http://animateddata.co.uk/training">data visualisation workshops</a></p>.</div>
      </div>
    </div>
    <script type="text/javascript">

 var m = [20, 120, 20, 20],
    w = 1280 - m[1] - m[3],
    h = 800 - m[0] - m[2],
    i = 0,
    root;

 var tree = d3.layout.tree()
    .size([h, w]);

 var diagonal = d3.svg.diagonal()
    .projection(function(d) { return [d.y, d.x]; });

 var vis = d3.select("#body").append("svg:svg")
    .attr("width", w + m[1] + m[3])
    .attr("height", h + m[0] + m[2])
  .append("svg:g")
    .attr("transform", "translate(" + m[3] + "," + m[0] + ")");

 d3.json("data.json", function(json) {
  root = json;
  root.x0 = h / 2;
  root.y0 = 0;

  function toggleAll(d) {
    if (d.children) {
      d.children.forEach(toggleAll);
      toggle(d);
    }
  }

  // Initialize the display to show a few nodes.
  // root.children.forEach(toggleAll);
  // toggle(root.children[1]);
  // toggle(root.children[1].children[2]);
  // toggle(root.children[9]);
  // toggle(root.children[9].children[0]);

  update(root);
 });

 function update(source) {
  var duration = d3.event && d3.event.altKey ? 5000 : 500;

  // Compute the new tree layout.
  var nodes = tree.nodes(root).reverse();

  // Normalize for fixed-depth.
  nodes.forEach(function(d) { d.y = d.depth * 180; });

  // Update the nodes…
  var node = vis.selectAll("g.node")
      .data(nodes, function(d) { return d.id || (d.id = ++i); });

  // Enter any new nodes at the parent's previous position.
  var nodeEnter = node.enter().append("svg:g")
      .attr("class", "node")
      .attr("transform", function(d) { return "translate(" + source.y0 + "," + source.x0 + ")"; })
      .on("click", function(d) { toggle(d); update(d); });

  nodeEnter.append("svg:circle")
      .attr("r", 1e-6)
      .style("fill", function(d) { return d._children ? "lightsteelblue" : "#fff"; });

  nodeEnter.append('a')
      .attr('xlink:href', function(d) {
        return d.url;
      })
      .append("svg:text")
      .attr("x", function(d) { return d.children || d._children ? -10 : 10; })
      .attr("dy", ".35em")
      .attr("text-anchor", function(d) { return d.children || d._children ? "end" : "start"; })
      .text(function(d) { return d.name; })
      .style('fill', function(d) {
        return d.free ? 'black' : '#999';
      })
      .style("fill-opacity", 1e-6);

  nodeEnter.append("svg:title")
    .text(function(d) {
      return d.description;
    });

  // Transition nodes to their new position.
  var nodeUpdate = node.transition()
      .duration(duration)
      .attr("transform", function(d) { return "translate(" + d.y + "," + d.x + ")"; });

  nodeUpdate.select("circle")
      .attr("r", 6)
      .style("fill", function(d) { return d._children ? "lightsteelblue" : "#fff"; });

  nodeUpdate.select("text")
      .style("fill-opacity", 1);

  // Transition exiting nodes to the parent's new position.
  var nodeExit = node.exit().transition()
      .duration(duration)
      .attr("transform", function(d) { return "translate(" + source.y + "," + source.x + ")"; })
      .remove();

  nodeExit.select("circle")
      .attr("r", 1e-6);

  nodeExit.select("text")
      .style("fill-opacity", 1e-6);

  // Update the links…
  var link = vis.selectAll("path.link")
      .data(tree.links(nodes), function(d) { return d.target.id; });

  // Enter any new links at the parent's previous position.
  link.enter().insert("svg:path", "g")
      .attr("class", "link")
      .attr("d", function(d) {
        var o = {x: source.x0, y: source.y0};
        return diagonal({source: o, target: o});
      })
    .transition()
      .duration(duration)
      .attr("d", diagonal);

  // Transition links to their new position.
  link.transition()
      .duration(duration)
      .attr("d", diagonal);

  // Transition exiting nodes to the parent's new position.
  link.exit().transition()
      .duration(duration)
      .attr("d", function(d) {
        var o = {x: source.x, y: source.y};
        return diagonal({source: o, target: o});
      })
      .remove();

  // Stash the old positions for transition.
  nodes.forEach(function(d) {
    d.x0 = d.x;
    d.y0 = d.y;
  });
 }

 // Toggle children.
 function toggle(d) {
  if (d.children) {
    d._children = d.children;
    d.children = null;
  } else {
    d.children = d._children;
    d._children = null;
  }
 }

    </script>
  </body>
 </html>
	<!DOCTYPE html>
	<html>
	<head>
	<meta http-equiv="Content-Type" content="text/html;charset=utf-8"/>
	<link type="text/css" rel="stylesheet" href="style.css"/>
	<script type="text/javascript" src="js/d3.v3.min.js"></script>
	<script>
	(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]\|\|function(){
	(i[r].q=i[r].q\|\|[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
	m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
	})(window,document,'script','//www.google-analytics.com/analytics.js','ga');

	ga('create', 'UA-55956641-1', 'auto');
	ga('send', 'pageview');

	</script>
	</head>
	<body>
	<div id="body">
	<div id="header">
	Tools and Libraries for Building Web-based Data Visualisations
	</div>
	<div id="footer">
	<div class="hint"><p>This is an overview of tools available for building web-based data visualisations and is for a presentation by <a href="http://animateddata.co.uk">Peter Cook</a> at <a href="http://www.meetup.com/Data-Visualisation-Brighton/">Data Visualisation Brighton</a>.</p><p>It is not comprehensive. If you feel there's a glaring omission please <a href="http://animateddata.co.uk/contact/">contact me</a>. (For a more comprehensive list try Andy Kirk's <a href="http://www.visualisingdata.com/index.php/resources/">Visualising Data</a>.)</p><p>This is an adaptation of Mike Bostock's D3 tree layout <a href="http://mbostock.github.io/d3/talk/20111018/tree.html">example</a>. Thanks Mike :)</p><p>Click a circle to expand or collapse. Grey indicates not free.</p><p>I'm available <a href="http://animateddata.co.uk/contact">for hire</a>.</p><p><a href="http://animateddata.co.uk/training">Find out</a> about my <a href="http://animateddata.co.uk/training">data visualisation workshops</a></p>.</div>
	</div>
	</div>
	<script type="text/javascript">

	var m = [20, 120, 20, 20],
	w = 1280 - m[1] - m[3],
	h = 800 - m[0] - m[2],
	i = 0,
	root;

	var tree = d3.layout.tree()
	.size([h, w]);

	var diagonal = d3.svg.diagonal()
	.projection(function(d) { return [d.y, d.x]; });

	var vis = d3.select("#body").append("svg:svg")
	.attr("width", w + m[1] + m[3])
	.attr("height", h + m[0] + m[2])
	.append("svg:g")
	.attr("transform", "translate(" + m[3] + "," + m[0] + ")");

	d3.json("data.json", function(json) {
	root = json;
	root.x0 = h / 2;
	root.y0 = 0;

	function toggleAll(d) {
	if (d.children) {
	d.children.forEach(toggleAll);
	toggle(d);
	}
	}

	// Initialize the display to show a few nodes.
	// root.children.forEach(toggleAll);
	// toggle(root.children[1]);
	// toggle(root.children[1].children[2]);
	// toggle(root.children[9]);
	// toggle(root.children[9].children[0]);

	update(root);
	});

	function update(source) {
	var duration = d3.event && d3.event.altKey ? 5000 : 500;

	// Compute the new tree layout.
	var nodes = tree.nodes(root).reverse();

	// Normalize for fixed-depth.
	nodes.forEach(function(d) { d.y = d.depth * 180; });

	// Update the nodes…
	var node = vis.selectAll("g.node")
	.data(nodes, function(d) { return d.id \|\| (d.id = ++i); });

	// Enter any new nodes at the parent's previous position.
	var nodeEnter = node.enter().append("svg:g")
	.attr("class", "node")
	.attr("transform", function(d) { return "translate(" + source.y0 + "," + source.x0 + ")"; })
	.on("click", function(d) { toggle(d); update(d); });

	nodeEnter.append("svg:circle")
	.attr("r", 1e-6)
	.style("fill", function(d) { return d._children ? "lightsteelblue" : "#fff"; });

	nodeEnter.append('a')
	.attr('xlink:href', function(d) {
	return d.url;
	})
	.append("svg:text")
	.attr("x", function(d) { return d.children \|\| d._children ? -10 : 10; })
	.attr("dy", ".35em")
	.attr("text-anchor", function(d) { return d.children \|\| d._children ? "end" : "start"; })
	.text(function(d) { return d.name; })
	.style('fill', function(d) {
	return d.free ? 'black' : '#999';
	})
	.style("fill-opacity", 1e-6);

	nodeEnter.append("svg:title")
	.text(function(d) {
	return d.description;
	});

	// Transition nodes to their new position.
	var nodeUpdate = node.transition()
	.duration(duration)
	.attr("transform", function(d) { return "translate(" + d.y + "," + d.x + ")"; });

	nodeUpdate.select("circle")
	.attr("r", 6)
	.style("fill", function(d) { return d._children ? "lightsteelblue" : "#fff"; });

	nodeUpdate.select("text")
	.style("fill-opacity", 1);

	// Transition exiting nodes to the parent's new position.
	var nodeExit = node.exit().transition()
	.duration(duration)
	.attr("transform", function(d) { return "translate(" + source.y + "," + source.x + ")"; })
	.remove();

	nodeExit.select("circle")
	.attr("r", 1e-6);

	nodeExit.select("text")
	.style("fill-opacity", 1e-6);

	// Update the links…
	var link = vis.selectAll("path.link")
	.data(tree.links(nodes), function(d) { return d.target.id; });

	// Enter any new links at the parent's previous position.
	link.enter().insert("svg:path", "g")
	.attr("class", "link")
	.attr("d", function(d) {
	var o = {x: source.x0, y: source.y0};
	return diagonal({source: o, target: o});
	})
	.transition()
	.duration(duration)
	.attr("d", diagonal);

	// Transition links to their new position.
	link.transition()
	.duration(duration)
	.attr("d", diagonal);

	// Transition exiting nodes to the parent's new position.
	link.exit().transition()
	.duration(duration)
	.attr("d", function(d) {
	var o = {x: source.x, y: source.y};
	return diagonal({source: o, target: o});
	})
	.remove();

	// Stash the old positions for transition.
	nodes.forEach(function(d) {
	d.x0 = d.x;
	d.y0 = d.y;
	});
	}

	// Toggle children.
	function toggle(d) {
	if (d.children) {
	d._children = d.children;
	d.children = null;
	} else {
	d.children = d._children;
	d._children = null;
	}
	}

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