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treemap.html
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treemap.html
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<!DOCTYPE html>
<meta charset="utf-8">
<head>
<script type="text/javascript" src="js/d3.v3.min.js"></script>
<script type="text/javascript" src="js/date.min.js"></script>
<script src="js/jquery-2.0.3.min.js"></script>
<script src="bootstrap/dist/js/bootstrap.min.js"></script>
<script src="js/underscore-min.js"></script>
<script src="js/underscore.nest.min.js"></script>
<link rel="stylesheet" type="text/css" href="css/treemap.css">
<link rel="stylesheet" type="text/css" href="bootstrap/dist/css/bootstrap.min.css">
</head>
<body>
<div id="master" style="margin:10px 10px">
<a href="kanban.html" title="back to kanban board"><img src="img/bwinparty_dig_cmyk.png" style="width:10%;height:10%"/></a>
<br><br>
<b>TREEMAP experiments - current backlog</b><br>
* clustering based on "Swag" values, hierarchically grouped over Lane->BusinessBacklog columns <br>
* mouse over the areas and click to drill-in<br><br>
<script>
/**
var b =_.nest(backlog,"Business Backlog")
b.children[0]
Object {name: "Bingo", children: Array[5], index: 0}
b.children[1]
Object {name: "Corporate Portfolio", children: Array[28], index: 1}
b.children[2]
Object {name: "Games", children: Array[24], index: 2}
b.children[3]
Object {name: "Poker Desktop B2B", children: Array[18], index: 3}
*/
var root;
var margin = {top: 20, right: 0, bottom: 0, left: 0},
width = 960,
height = 500 - 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("#master").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");
//added new column in backlog.csv => for higher level grouping "Lane"
d3.tsv("data/backlog.csv",function(data){
root = _.nest(data,["Lane","BusinessBacklog"]);
//d3.json("flare.json", function(root) {
initialize(root);
accumulate(root);
layout(root);
display(root);
function initialize(root) {
root.x = root.y = 0;
root.dx = width;
root.dy = height;
root.depth = 0;
root.name="backlog";
}
// 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.
// change by @cactus: added parseInt() in end line, and ||0 in case value is ""
function accumulate(d) {
return (d._children = d.children)
? d.value = d.children.reduce(function(p, v) { return p + accumulate(v); }, 0)
: parseInt(d.value)||0;
}
// 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)+" | sum = "+d.value+" PD");
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);
g.selectAll(".child")
.data(function(d) { return d._children || [d]; })
.enter()
.append("g")
.each(function(d){
d3.select(this).append("rect")
.attr("class", "child")
.call(rect);
d3.select(this)
.append("text")
.text(d.name)
.style("font-size","6px")
.call(text);
})
g.append("rect")
.attr("class", "parent")
.call(rect)
.append("title")
.text(function(d) { return formatNumber(d.value); });
g.append("text")
.attr("dy", "1.5em")
.text(function(d) { return d.name +" | "+d.value+" PD"; })
.style("font-size",function(d){return 8+(d.value/1800)})
.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) + 6; })
.attr("y", function(d) { return y(d.y) + 6; });
}
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;
}
});
</script>
</div>
</body>
</html>