wimdows/bubble met transitie.js

## bubble met transitie.js
var r = 480,
    format = d3.format(",d"),
    fill = d3.scale.category20c();

var keeper;

var bubble = d3.layout.pack()
    .sort(null)
    .size([r, r]);

var vis = d3.select("#chart").append("svg:svg")
    .attr("width", r)
    .attr("height", r)
    .attr("class", "bubble");

d3.json("flaretest.json", function(json) {

	keeper = json;

  node = vis.selectAll("g.node")
      .data(bubble.nodes(classes(keeper))
      .filter(function(d) { return !d.children; }))
    .enter().append("svg:g")
      .attr("class", "node")
      .attr("transform", function(d) { return "translate(" + d.x + "," + d.y + ")"; });

  node.append("svg:title")
      .text(function(d) { return d.className + ": " + format(d.value); });

  node.append("svg:circle")
      .attr("r", function(d) { return d.r; })
      .style("fill", function(d) { return fill(d.packageName); });

  node.append("svg:text")
      .attr("text-anchor", "middle")
      .attr("dy", ".3em")
      .text(function(d) { return d.className.substring(0, d.r / 3); });

console.log(node);


function switchIt() {

	for (i=0;i <= keeper.children.length-1;i++) {
				  keeper.children[i].size
				= keeper.children[i].size/2;};


  node = vis.selectAll("g.node")
      .data(bubble.nodes(classes(keeper))
      .filter(function(d) { return !d.children; }))

  node.selectAll("title")
	 .transition()
	 .delay()
	 .duration(500)
	 .text(function(d) { return d.className + ": " + format(d.value); });

  node.selectAll("circle")
	 .transition()
	 .delay()
	 .duration(500)
      .attr("r", function(d) { return d.r; })
      .style("fill", function(d) { return fill(d.packageName); });

console.log(node);
};

// Returns a flattened hierarchy containing all leaf nodes under the root.
function classes(root) {
  var classes = [];

  function recurse(name, node) {
    if (node.children) node.children.forEach(function(child) { recurse(node.name, child); });
    else classes.push({packageName: name, className: node.name, value: node.size});
  }

  recurse(null, root);
  return {children: classes};
}

d3.select("#knop").on("click", switchIt);

});

## bubble.css
circle {
  stroke: #fff;
  stroke-width: 1.5px;
}

text {
  font: 10px sans-serif;
}

## flaretest.json
{
    "naam": "things",
    "children": [
        {
            "name": "bloeb",
            "size": 310023
        },
        {
            "name": "poef",
            "size": 1874900
        },
        {
            "name": "dapp",
            "size": 412440
        }
    ]
}

## index.html
<!DOCTYPE html>
<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html;charset=utf-8">
    <title>Bubble Chart</title>
<script type="text/javascript" src=
"http://mbostock.github.com/d3/d3.js?1.27.2"></script>

<script type="text/javascript" src=
"http://mbostock.github.com/d3/d3.layout.js?1.27.2"></script>    <link type="text/css" rel="stylesheet" href="bubble.css"/>
  </head>
  <body>
    <div id="chart"></div>
	<input type="button" id="knop" class="buttons" value=">1>">

    <script type="text/javascript" src="bubble met transitie.js"></script>
  </body>
</html>
	var r = 480,
	format = d3.format(",d"),
	fill = d3.scale.category20c();

	var keeper;

	var bubble = d3.layout.pack()
	.sort(null)
	.size([r, r]);

	var vis = d3.select("#chart").append("svg:svg")
	.attr("width", r)
	.attr("height", r)
	.attr("class", "bubble");

	d3.json("flaretest.json", function(json) {

	keeper = json;

	node = vis.selectAll("g.node")
	.data(bubble.nodes(classes(keeper))
	.filter(function(d) { return !d.children; }))
	.enter().append("svg:g")
	.attr("class", "node")
	.attr("transform", function(d) { return "translate(" + d.x + "," + d.y + ")"; });

	node.append("svg:title")
	.text(function(d) { return d.className + ": " + format(d.value); });

	node.append("svg:circle")
	.attr("r", function(d) { return d.r; })
	.style("fill", function(d) { return fill(d.packageName); });

	node.append("svg:text")
	.attr("text-anchor", "middle")
	.attr("dy", ".3em")
	.text(function(d) { return d.className.substring(0, d.r / 3); });

	console.log(node);



	function switchIt() {

	for (i=0;i <= keeper.children.length-1;i++) {
	keeper.children[i].size
	= keeper.children[i].size/2;};


	node = vis.selectAll("g.node")
	.data(bubble.nodes(classes(keeper))
	.filter(function(d) { return !d.children; }))

	node.selectAll("title")
	.transition()
	.delay()
	.duration(500)
	.text(function(d) { return d.className + ": " + format(d.value); });

	node.selectAll("circle")
	.transition()
	.delay()
	.duration(500)
	.attr("r", function(d) { return d.r; })
	.style("fill", function(d) { return fill(d.packageName); });

	console.log(node);
	};

	// Returns a flattened hierarchy containing all leaf nodes under the root.
	function classes(root) {
	var classes = [];

	function recurse(name, node) {
	if (node.children) node.children.forEach(function(child) { recurse(node.name, child); });
	else classes.push({packageName: name, className: node.name, value: node.size});
	}

	recurse(null, root);
	return {children: classes};
	}

	d3.select("#knop").on("click", switchIt);

	});
	circle {
	stroke: #fff;
	stroke-width: 1.5px;
	}

	text {
	font: 10px sans-serif;
	}
	{
	"naam": "things",
	"children": [
	{
	"name": "bloeb",
	"size": 310023
	},
	{
	"name": "poef",
	"size": 1874900
	},
	{
	"name": "dapp",
	"size": 412440
	}
	]
	}
	<!DOCTYPE html>
	<html>
	<head>
	<meta http-equiv="Content-Type" content="text/html;charset=utf-8">
	<title>Bubble Chart</title>
	<script type="text/javascript" src=
	"http://mbostock.github.com/d3/d3.js?1.27.2"></script>

	<script type="text/javascript" src=
	"http://mbostock.github.com/d3/d3.layout.js?1.27.2"></script> <link type="text/css" rel="stylesheet" href="bubble.css"/>
	</head>
	<body>
	<div id="chart"></div>
	<input type="button" id="knop" class="buttons" value=">1>">

	<script type="text/javascript" src="bubble met transitie.js"></script>
	</body>
	</html>