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Created March 23, 2018 10:16
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mediawatch treemap
Raw
.block
license: mit
Raw
countries.json
[{"region":"Andrew Marr","subregion":"Female","key":"Person of Colour","value":9},{"region":"Andrew Marr","subregion":"Female","key":"White","value":30},{"region":"Andrew Marr","subregion":"Male","key":"Person of Colour","value":2},{"region":"Andrew Marr","subregion":"Male","key":"White","value":46},{"region":"Daily Politics","subregion":"Female","key":"Race not known","value":1},{"region":"Daily Politics","subregion":"Female","key":"Person of Colour","value":12},{"region":"Daily Politics","subregion":"Female","key":"White","value":78},{"region":"Daily Politics","subregion":"Male","key":"Race not known","value":2},{"region":"Daily Politics","subregion":"Male","key":"Person of Colour","value":12},{"region":"Daily Politics","subregion":"Male","key":"White","value":135},{"region":"Newsnight","subregion":"Female","key":"Race not known","value":4},{"region":"Newsnight","subregion":"Female","key":"Person of Colour","value":30},{"region":"Newsnight","subregion":"Female","key":"White","value":75},{"region":"Newsnight","subregion":"Male","key":"Person of Colour","value":16},{"region":"Newsnight","subregion":"Male","key":"White","value":77},{"region":"Peston on Sunday","subregion":"Female","key":"Person of Colour","value":2},{"region":"Peston on Sunday","subregion":"Female","key":"White","value":22},{"region":"Peston on Sunday","subregion":"Male","key":"Person of Colour","value":2},{"region":"Peston on Sunday","subregion":"Male","key":"White","value":26},{"region":"Question Time","subregion":"Female","key":"Person of Colour","value":4},{"region":"Question Time","subregion":"Female","key":"White","value":13},{"region":"Question Time","subregion":"Male","key":"Person of Colour","value":1},{"region":"Question Time","subregion":"Male","key":"White","value":17},{"region":"Sunday Politics","subregion":"Female","key":"Race not known","value":1},{"region":"Sunday Politics","subregion":"Female","key":"Person of Colour","value":1},{"region":"Sunday Politics","subregion":"Female","key":"White","value":10},{"region":"Sunday Politics","subregion":"Male","key":"White","value":24},{"region":"This Week","subregion":"Gender not known","key":"White","value":1},{"region":"This Week","subregion":"Female","key":"Person of Colour","value":1},{"region":"This Week","subregion":"Female","key":"White","value":7},{"region":"This Week","subregion":"Male","key":"Person of Colour","value":1},{"region":"This Week","subregion":"Male","key":"White","value":12}]
Raw
index.html
<!DOCTYPE html>
<!--
Generic treemap, based on http://bost.ocks.org/mike/treemap/
-->
<html>
<head>
<meta charset="utf-8">
<title>Zoomable treemap template</title>
<style>
#chart {
background: #ffffff;
font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}
.title {
font-weight: bold;
font-size: 24px;
text-align: center;
margin-top: 6px;
margin-bottom: 6px;
}
text {
pointer-events: none;
}
.grandparent text {
font-weight: bold;
}
rect {
fill: none;
stroke: #fff;
}
rect.parent,
.grandparent rect {
stroke-width: 2px;
}
rect.parent {
pointer-events: none;
}
.grandparent rect {
fill: orange;
}
.grandparent:hover rect {
fill: #ee9700;
}
.children rect.parent,
.grandparent rect {
cursor: pointer;
}
.children rect.parent {
fill: #bbb;
fill-opacity: .5;
}
.children:hover rect.child {
fill: #bbb;
}
</style>
</head>
<body>
<div id="chart"></div>
<script src="http://code.jquery.com/jquery-1.7.2.min.js"></script>
<script src="http://d3js.org/d3.v3.min.js"></script>
<script>
window.addEventListener('message', function(e) {
var opts = e.data.opts,
data = e.data.data;
return main(opts, data);
});
var defaults = {
margin: {top: 24, right: 0, bottom: 0, left: 0},
rootname: "TOP",
format: ",d",
title: "",
width: 960,
height: 500
};
function main(o, data) {
var root,
opts = $.extend(true, {}, defaults, o),
formatNumber = d3.format(opts.format),
rname = opts.rootname,
margin = opts.margin,
theight = 36 + 16;
$('#chart').width(opts.width).height(opts.height);
var width = opts.width - margin.left - margin.right,
height = opts.height - margin.top - margin.bottom - theight,
transitioning;
var color = d3.scale.category20c();
var x = d3.scale.linear()
.domain([0, width])
.range([0, width]);
var y = d3.scale.linear()
.domain([0, height])
.range([0, height]);
var treemap = d3.layout.treemap()
.children(function(d, depth) { return depth ? null : d._children; })
.sort(function(a, b) { return a.value - b.value; })
.ratio(height / width * 0.5 * (1 + Math.sqrt(5)))
.round(false);
var svg = d3.select("#chart").append("svg")
.attr("width", width + margin.left + margin.right)
.attr("height", height + margin.bottom + margin.top)
.style("margin-left", -margin.left + "px")
.style("margin.right", -margin.right + "px")
.append("g")
.attr("transform", "translate(" + margin.left + "," + margin.top + ")")
.style("shape-rendering", "crispEdges");
var grandparent = svg.append("g")
.attr("class", "grandparent");
grandparent.append("rect")
.attr("y", -margin.top)
.attr("width", width)
.attr("height", margin.top);
grandparent.append("text")
.attr("x", 6)
.attr("y", 6 - margin.top)
.attr("dy", ".75em");
if (opts.title) {
$("#chart").prepend("<p class='title'>" + opts.title + "</p>");
}
if (data instanceof Array) {
root = { key: rname, values: data };
} else {
root = data;
}
initialize(root);
accumulate(root);
layout(root);
console.log(root);
display(root);
if (window.parent !== window) {
var myheight = document.documentElement.scrollHeight || document.body.scrollHeight;
window.parent.postMessage({height: myheight}, '*');
}
function initialize(root) {
root.x = root.y = 0;
root.dx = width;
root.dy = height;
root.depth = 0;
}
// Aggregate the values for internal nodes. This is normally done by the
// treemap layout, but not here because of our custom implementation.
// We also take a snapshot of the original children (_children) to avoid
// the children being overwritten when when layout is computed.
function accumulate(d) {
return (d._children = d.values)
? d.value = d.values.reduce(function(p, v) { return p + accumulate(v); }, 0)
: d.value;
}
// Compute the treemap layout recursively such that each group of siblings
// uses the same size (1×1) rather than the dimensions of the parent cell.
// This optimizes the layout for the current zoom state. Note that a wrapper
// object is created for the parent node for each group of siblings so that
// the parent’s dimensions are not discarded as we recurse. Since each group
// of sibling was laid out in 1×1, we must rescale to fit using absolute
// coordinates. This lets us use a viewport to zoom.
function layout(d) {
if (d._children) {
treemap.nodes({_children: d._children});
d._children.forEach(function(c) {
c.x = d.x + c.x * d.dx;
c.y = d.y + c.y * d.dy;
c.dx *= d.dx;
c.dy *= d.dy;
c.parent = d;
layout(c);
});
}
}
function display(d) {
grandparent
.datum(d.parent)
.on("click", transition)
.select("text")
.text(name(d));
var g1 = svg.insert("g", ".grandparent")
.datum(d)
.attr("class", "depth");
var g = g1.selectAll("g")
.data(d._children)
.enter().append("g");
g.filter(function(d) { return d._children; })
.classed("children", true)
.on("click", transition);
var children = g.selectAll(".child")
.data(function(d) { return d._children || [d]; })
.enter().append("g");
children.append("rect")
.attr("class", "child")
.call(rect)
.append("title")
.text(function(d) { return d.key + " (" + formatNumber(d.value) + ")"; });
children.append("text")
.attr("class", "ctext")
.text(function(d) { return d.key; })
.call(text2);
g.append("rect")
.attr("class", "parent")
.call(rect);
var t = g.append("text")
.attr("class", "ptext")
.attr("dy", ".75em")
t.append("tspan")
.text(function(d) { return d.key; });
t.append("tspan")
.attr("dy", "1.0em")
.text(function(d) { return formatNumber(d.value); });
t.call(text);
g.selectAll("rect")
.style("fill", function(d) { return color(d.key); });
function transition(d) {
if (transitioning || !d) return;
transitioning = true;
var g2 = display(d),
t1 = g1.transition().duration(750),
t2 = g2.transition().duration(750);
// Update the domain only after entering new elements.
x.domain([d.x, d.x + d.dx]);
y.domain([d.y, d.y + d.dy]);
// Enable anti-aliasing during the transition.
svg.style("shape-rendering", null);
// Draw child nodes on top of parent nodes.
svg.selectAll(".depth").sort(function(a, b) { return a.depth - b.depth; });
// Fade-in entering text.
g2.selectAll("text").style("fill-opacity", 0);
// Transition to the new view.
t1.selectAll(".ptext").call(text).style("fill-opacity", 0);
t1.selectAll(".ctext").call(text2).style("fill-opacity", 0);
t2.selectAll(".ptext").call(text).style("fill-opacity", 1);
t2.selectAll(".ctext").call(text2).style("fill-opacity", 1);
t1.selectAll("rect").call(rect);
t2.selectAll("rect").call(rect);
// Remove the old node when the transition is finished.
t1.remove().each("end", function() {
svg.style("shape-rendering", "crispEdges");
transitioning = false;
});
}
return g;
}
function text(text) {
text.selectAll("tspan")
.attr("x", function(d) { return x(d.x) + 6; })
text.attr("x", function(d) { return x(d.x) + 6; })
.attr("y", function(d) { return y(d.y) + 6; })
.style("opacity", function(d) { return this.getComputedTextLength() < x(d.x + d.dx) - x(d.x) ? 1 : 0; });
}
function text2(text) {
text.attr("x", function(d) { return x(d.x + d.dx) - this.getComputedTextLength() - 6; })
.attr("y", function(d) { return y(d.y + d.dy) - 6; })
.style("opacity", function(d) { return this.getComputedTextLength() < x(d.x + d.dx) - x(d.x) ? 1 : 0; });
}
function rect(rect) {
rect.attr("x", function(d) { return x(d.x); })
.attr("y", function(d) { return y(d.y); })
.attr("width", function(d) { return x(d.x + d.dx) - x(d.x); })
.attr("height", function(d) { return y(d.y + d.dy) - y(d.y); });
}
function name(d) {
return d.parent
? name(d.parent) + " / " + d.key + " (" + formatNumber(d.value) + ")"
: d.key + " (" + formatNumber(d.value) + ")";
}
}
if (window.location.hash === "") {
d3.json("countries.json", function(err, res) {
if (!err) {
console.log(res);
var data = d3.nest().key(function(d) { return d.region; }).key(function(d) { return d.subregion; }).entries(res);
main({title: "MediaWatch"}, {key: "Programmes", values: data});
}
});
}
</script>
</body>
</html>
Raw
progs.json
[{"region":"Andrew Marr","subregion":"F","key":"PoC","value":9},{"region":"Andrew Marr","subregion":"F","key":"W","value":30},{"region":"Andrew Marr","subregion":"M","key":"PoC","value":2},{"region":"Andrew Marr","subregion":"M","key":"W","value":46},{"region":"Daily Politics","subregion":"F","key":"DKRace","value":1},{"region":"Daily Politics","subregion":"F","key":"PoC","value":12},{"region":"Daily Politics","subregion":"F","key":"W","value":78},{"region":"Daily Politics","subregion":"M","key":"DKRace","value":2},{"region":"Daily Politics","subregion":"M","key":"PoC","value":12},{"region":"Daily Politics","subregion":"M","key":"W","value":135},{"region":"Newsnight","subregion":"F","key":"DKRace","value":4},{"region":"Newsnight","subregion":"F","key":"PoC","value":30},{"region":"Newsnight","subregion":"F","key":"W","value":75},{"region":"Newsnight","subregion":"M","key":"PoC","value":16},{"region":"Newsnight","subregion":"M","key":"W","value":77},{"region":"Peston on Sunday","subregion":"F","key":"PoC","value":2},{"region":"Peston on Sunday","subregion":"F","key":"W","value":22},{"region":"Peston on Sunday","subregion":"M","key":"PoC","value":2},{"region":"Peston on Sunday","subregion":"M","key":"W","value":26},{"region":"Question Time","subregion":"F","key":"PoC","value":4},{"region":"Question Time","subregion":"F","key":"W","value":13},{"region":"Question Time","subregion":"M","key":"PoC","value":1},{"region":"Question Time","subregion":"M","key":"W","value":17},{"region":"Sunday Politics","subregion":"F","key":"DKRace","value":1},{"region":"Sunday Politics","subregion":"F","key":"PoC","value":1},{"region":"Sunday Politics","subregion":"F","key":"W","value":10},{"region":"Sunday Politics","subregion":"M","key":"W","value":24},{"region":"This Week","subregion":"DKGender","key":"W","value":1},{"region":"This Week","subregion":"F","key":"PoC","value":1},{"region":"This Week","subregion":"F","key":"W","value":7},{"region":"This Week","subregion":"M","key":"PoC","value":1},{"region":"This Week","subregion":"M","key":"W","value":12}]
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