2022-06-02 13:40:28 +00:00
|
|
|
|
<!doctype html>
|
|
|
|
|
<html class="no-js" lang="">
|
|
|
|
|
<head>
|
|
|
|
|
<meta charset="utf-8">
|
|
|
|
|
<meta http-equiv="X-UA-Compatible" content="IE=edge">
|
|
|
|
|
<title>TreeMap</title>
|
|
|
|
|
<meta name="description" content="">
|
|
|
|
|
<meta name="viewport" content="width=device-width, initial-scale=1">
|
|
|
|
|
<style>
|
|
|
|
|
body {
|
|
|
|
|
margin: 0px;
|
|
|
|
|
padding: 0px;
|
|
|
|
|
font-family: 'Open Sans', sans-serif;
|
|
|
|
|
font-size: 16px;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#chart {
|
|
|
|
|
margin: 0px;
|
|
|
|
|
padding: 0px;
|
|
|
|
|
background: #E0E7FF;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
text {
|
2022-06-03 10:39:27 +00:00
|
|
|
|
cursor: pointer;
|
2022-06-02 13:40:28 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
.grandparent text {
|
|
|
|
|
font-weight: bold;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
rect {
|
|
|
|
|
fill: none;
|
|
|
|
|
stroke: #fff;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
rect.parent,
|
|
|
|
|
.grandparent rect {
|
|
|
|
|
stroke-width: 2px;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
.grandparent rect {
|
|
|
|
|
fill: rgb(232, 255, 0);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
.grandparent:hover rect {
|
|
|
|
|
fill: rgb(202, 225, 0);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
.children rect.parent,
|
|
|
|
|
.grandparent rect {
|
|
|
|
|
cursor: pointer;
|
|
|
|
|
}
|
|
|
|
|
|
2022-06-03 10:39:27 +00:00
|
|
|
|
.leaf rect.parent {
|
|
|
|
|
cursor: pointer;
|
|
|
|
|
fill: #c9d9ff;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
.leaf rect.parent:hover {
|
|
|
|
|
cursor: pointer;
|
|
|
|
|
fill: #d9e9ff;
|
|
|
|
|
}
|
|
|
|
|
|
2022-06-02 13:40:28 +00:00
|
|
|
|
.children rect.parent {
|
|
|
|
|
fill: #99F6E4;
|
|
|
|
|
fill-opacity: .5;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
.children:hover rect.child {
|
|
|
|
|
fill: #D7CBFA;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
</style>
|
|
|
|
|
<link href='http://fonts.googleapis.com/css?family=Open+Sans:300' rel='stylesheet' type='text/css'>
|
|
|
|
|
</head>
|
|
|
|
|
<body>
|
|
|
|
|
<p id="chart"></p>
|
2022-06-03 10:43:14 +00:00
|
|
|
|
<script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script>
|
2022-06-02 13:40:28 +00:00
|
|
|
|
<script type="text/javascript">
|
|
|
|
|
|
|
|
|
|
function hierarchy(topic_array, parent_id){
|
|
|
|
|
// this is different from TopicMasonryGrid because this needs a specific object structure down to all leafs, not a map with just 2 levels
|
|
|
|
|
// every node needs id, name. Leaf nodes need a value like 100. Non-leafs need a children[].
|
|
|
|
|
// see: https://github.com/mekarpeles/math.mx/blob/master/static/data/simple.json
|
|
|
|
|
const nest = (items, id) =>
|
|
|
|
|
items
|
|
|
|
|
.filter(item => item.parent_id === id)
|
|
|
|
|
.map(item => ({ ...item, children: nest(items, item.name), value: 100 }))
|
|
|
|
|
.map(item => {
|
|
|
|
|
return item.children.length == 0 ?
|
|
|
|
|
{id: item.name, name: item.name.split("/").reverse()[0], value: 100} :
|
|
|
|
|
{id: item.name, name: item.name.split("/").reverse()[0], children: item.children}
|
|
|
|
|
});
|
|
|
|
|
|
|
|
|
|
let topnodes = nest(topic_array, ''); // includes childless nodes
|
|
|
|
|
|
|
|
|
|
// put childless nodes under misc
|
|
|
|
|
let misc = {id: 'misc', name: 'Misc', children: topnodes.filter(t => t.value).slice(0,15)};
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
return {name: "·", children: [...topnodes.filter(t => t.children), misc]};
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
d3.json("/learn/topics.json?_shape=array&_size=5000", function(alltopics){
|
|
|
|
|
// console.log({alltopics});
|
|
|
|
|
var root = hierarchy(alltopics, "");
|
2022-06-02 20:12:54 +00:00
|
|
|
|
// console.log({root});
|
2022-06-02 13:40:28 +00:00
|
|
|
|
initialize(root);
|
|
|
|
|
accumulate(root);
|
|
|
|
|
layout(root);
|
|
|
|
|
display(root);
|
|
|
|
|
});
|
|
|
|
|
|
|
|
|
|
var margin = {top: 20, right: 0, bottom: 0, left: 0},
|
|
|
|
|
wh = browserDimensions(),
|
|
|
|
|
width = wh[0] - (2 * margin.left) - (2*margin.right),
|
|
|
|
|
height = wh[1] - (2 * margin.top - margin.bottom),
|
|
|
|
|
formatNumber = d3.format(",d"),
|
|
|
|
|
transitioning;
|
|
|
|
|
|
|
|
|
|
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");
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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.children)
|
|
|
|
|
? d.value = d.children.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);
|
|
|
|
|
|
2022-06-03 10:39:27 +00:00
|
|
|
|
g.filter(function(d) { return !d._children; })
|
|
|
|
|
.classed("leaf", true)
|
|
|
|
|
.on("click",(n) => { window.parent.location.href = "/#/topic/" + n.name;});
|
|
|
|
|
|
|
|
|
|
g.filter(function(d) { return d._children; }).selectAll(".child")
|
2022-06-02 13:40:28 +00:00
|
|
|
|
.data(function(d) { return d._children || [d]; })
|
|
|
|
|
.enter().append("rect")
|
|
|
|
|
.attr("class", "child")
|
|
|
|
|
.call(rect);
|
|
|
|
|
|
|
|
|
|
g.append("rect")
|
|
|
|
|
.attr("class", "parent")
|
|
|
|
|
.call(rect)
|
|
|
|
|
.append("title")
|
|
|
|
|
.text(function(d) { return formatNumber(d.value); });
|
|
|
|
|
|
|
|
|
|
g.append("text")
|
|
|
|
|
.attr("dy", ".75em")
|
2022-06-03 10:39:27 +00:00
|
|
|
|
.on("click", (n) => { window.parent.location.href = "/#/topic/" + n.name;})
|
2022-06-02 13:40:28 +00:00
|
|
|
|
.text(function(d) { return d.name.split('{')[0].split('(')[0]
|
|
|
|
|
.split('[')[0]; })
|
|
|
|
|
.call(text);
|
|
|
|
|
|
|
|
|
|
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("text").call(text).style("fill-opacity", 0);
|
|
|
|
|
t2.selectAll("text").call(text).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.attr("x", function(d) { return x(d.x) + 10; })
|
2022-06-03 10:39:27 +00:00
|
|
|
|
.attr("y", function(d) { return y(d.y) + 10; })
|
|
|
|
|
.attr("text-decoration","underline");
|
2022-06-02 13:40:28 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
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.name
|
|
|
|
|
: d.name;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
function wrap(text, width) {
|
|
|
|
|
text.each(function() {
|
|
|
|
|
var text = d3.select(this),
|
|
|
|
|
words = text.text().split(/\s+/).reverse(),
|
|
|
|
|
word,
|
|
|
|
|
line = [],
|
|
|
|
|
lineNumber = 0,
|
|
|
|
|
lineHeight = 1.1, // ems
|
|
|
|
|
y = text.attr("y"),
|
|
|
|
|
dy = parseFloat(text.attr("dy")),
|
|
|
|
|
tspan = text.text(null).append("tspan").attr("x", 0).attr("y", y).attr("dy", dy + "em");
|
|
|
|
|
while (word = words.pop()) {
|
|
|
|
|
line.push(word);
|
|
|
|
|
tspan.text(line.join(" "));
|
|
|
|
|
if (tspan.node().getComputedTextLength() > width) {
|
|
|
|
|
line.pop();
|
|
|
|
|
tspan.text(line.join(" "));
|
|
|
|
|
line = [word];
|
|
|
|
|
tspan = text.append("tspan").attr("x", 0).attr("y", y).attr("dy", ++lineNumber * lineHeight + dy + "em").text(word);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
});
|
|
|
|
|
}
|
|
|
|
|
function browserDimensions() {
|
|
|
|
|
var w = 0, h = 0;
|
|
|
|
|
if( typeof( window.innerWidth ) == 'number' ) {
|
|
|
|
|
//Non-IE
|
|
|
|
|
w = window.innerWidth;
|
|
|
|
|
h = window.innerHeight;
|
|
|
|
|
} else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
|
|
|
|
|
//IE 6+ in 'standards compliant mode'
|
|
|
|
|
w = document.documentElement.clientWidth;
|
|
|
|
|
h = document.documentElement.clientHeight;
|
|
|
|
|
} else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
|
|
|
|
|
//IE 4 compatible
|
|
|
|
|
w = document.body.clientWidth;
|
|
|
|
|
h = document.body.clientHeight;
|
|
|
|
|
}
|
|
|
|
|
return [w, h];
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
</script>
|
|
|
|
|
</body>
|
|
|
|
|
</html>
|