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@tomgullo
Created September 26, 2013 10:48
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tree_map_d3js
<!DOCTYPE html>
<meta charset="utf-8">
<style>
body {
font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
position: relative;
}
form {
position: absolute;
right: 10px;
top: 10px;
}
.node {
border: solid 1px white;
font: 14px sans-serif;
line-height: 16px;
overflow: hidden;
position: absolute;
text-indent: 2px;
}
</style>
<form>
<label><input type="radio" name="mode" value="size" checked> Size</label>
<label><input type="radio" name="mode" value="count"> Count</label>
</form>
<script src="d3.js"></script>
<script>
var mydata = {
"name": "analytics",
"children": [
{
"name": "cluster",
"children": [
{"name": "AgglomerativeCluster", "size": 3938},
{"name": "CommunityStructure", "size": 3812},
{"name": "HierarchicalCluster", "size": 6714},
{"name": "MergeEdge", "size": 743}
]
}]
}
var margin = {top: 5, right: 0, bottom: 0, left: 0},
width = 1260,
height = 800;
var color = d3.scale.category20c();
var treemap = d3.layout.treemap()
.size([width, height])
.sticky(true)
.value(function(d) { return d.size; });
var div = d3.select("body").append("div")
.style("position", "relative")
.style("width", (width + margin.left + margin.right) + "px")
.style("height", (height + margin.top + margin.bottom) + "px")
.style("left", margin.left + "px")
.style("top", margin.top + "px");
var node = div.datum(mydata).selectAll(".node")
.data(treemap.nodes)
.enter().append("div")
.attr("class", "node")
.call(position)
.style("background", function(d) { return d.children ? color(d.name) : null; })
.text(function(d) { return d.children ? null : d.name; });
d3.selectAll("input").on("change", function change() {
var value = this.value === "count"
? function() { return 1; }
: function(d) { return d.size; };
node
.data(treemap.value(value).nodes)
.transition()
.duration(1500)
.call(position);
});
function position() {
this.style("left", function(d) { return d.x + "px"; })
.style("top", function(d) { return d.y + "px"; })
.style("width", function(d) { return Math.max(0, d.dx - 1) + "px"; })
.style("height", function(d) { return Math.max(0, d.dy - 1) + "px"; });
}
</script>
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