Based on the Treemap example.
-
-
Save syntagmatic/b6821801c222d4d3bfe0 to your computer and use it in GitHub Desktop.
Reddit Treemap
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
<!DOCTYPE html> | |
<meta charset="utf-8"> | |
<style> | |
body { | |
font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; | |
margin: auto; | |
position: relative; | |
width: 960px; | |
} | |
form { | |
position: absolute; | |
right: 10px; | |
top: 10px; | |
} | |
.node { | |
border: solid 1px white; | |
font: 10px sans-serif; | |
color: #fff; | |
line-height: 12px; | |
overflow: hidden; | |
position: absolute; | |
text-indent: 2px; | |
} | |
</style> | |
<body> | |
<script src="http://d3js.org/d3.v3.min.js"></script> | |
<script> | |
var margin = {top: 4, right: 4, bottom: 4, left: 4}, | |
width = 960 - margin.left - margin.right, | |
height = 500 - margin.top - margin.bottom; | |
var color = d3.scale.category20c(); | |
var treemap = d3.layout.treemap() | |
.size([width, height]) | |
.sticky(true) | |
.padding(2) | |
.children(function(d, depth) { return d.values; }) | |
.value(function(d) { return 1; }); | |
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"); | |
d3.json("http://www.reddit.com/.json?limit=100", function(error, raw) { | |
var data = raw.data.children.map(function(d) { return d.data; }); | |
console.log("data", data); | |
var root = d3.nest() | |
.key(function(d) { return "root"; }) | |
.key(function(d) { return d.subreddit; }) | |
.entries(data)[0]; | |
console.log("root", root); | |
console.log("treemap", treemap.nodes(root)); | |
var node = div.datum(root).selectAll(".node") | |
.data(treemap.nodes) | |
.enter().append("div") | |
.attr("class", "node") | |
.call(position) | |
.style("background", function(d) { return d.values ? null : "steelblue"; }) | |
.text(function(d) { return d.values ? null : d.subreddit; }); | |
}); | |
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> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment