ОБНОВЛЕНО: индекс. js .value () для ссылки на сумму, так что каждому блоку будут назначены измерения на основе значения => сумма
index. js
var log = console.log;
var margin = {top: 30, right: 0, bottom: 0, left: 0};
var width = 800;
var height = 670 - margin.top - margin.bottom;
var transitioning;
// x axis scale
var x = d3.scale.linear()
.domain([0, width])
.range([0, width]);
// y axis scale
var y = d3.scale.linear()
.domain([0, height])
.range([0, height]);
// treemap layout
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)))
.value(d=>d.sum)
.round(false);
// define svg
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");
// top gray rectangle
var grandparent = svg.append("g")
.attr("class", "grandparent");
// Add grandparent rect
grandparent.append("rect")
.attr("y", -margin.top)
.attr("width", width)
.attr("height", margin.top)
.style("fill", "#d9d9d9");
// Add grandparent text
grandparent.append("text")
.attr("class", "title")
.attr("x", 6)
.attr("y", 6 - margin.top)
.attr("dy", ".75em");
// custom root initializer
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.
// Alteration made for function to be iterative
function accumulateVal(d, attr) {
return accumulate(d);
function accumulate(d) {
return (d._children = d.children)
// recursion step, note that p and v are defined by reduce
? d[attr] = d.children.reduce(function(p, v) {return p + accumulate(v); }, 0)
: d[attr];
};
};
// 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 comes from the treemap set of functions as part of d3
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;
// recursion
layout(c);
});
}
};
d3.csv("Public_Grants_2010-2012(July-28-2018).csv", treeMapZoomable);
function treeMapZoomable(error, grants) {
if (error) throw error;
// Define color scale
var allValues = grants.map(function(d) { return [d["GRANT_PROGRAM"], d["YEAR"]]; })
.reduce(function(acc, curVal) { return acc.concat(curVal); }, []);
var scaleOrdNames = [...new Set(allValues)];
var colorScale = d3.scale.ordinal().domain(scaleOrdNames)
.range(['#66c2a5','#fc8d62','#8da0cb','#e78ac3','#a6d854','#ffd92f','#e5c494']);
// Define aggregrated grant programs
var aggGrantPrograms = d3.nest().key(function(d) { return d.YEAR; })
.key(function(d) { return d["GRANT_PROGRAM"]; })
.entries(grants)
.map(function(d) {
var dValues = d.values.map(function(g){
var gValues = g.values;
var sum = gValues.map(function(p) { return p["GRANT_AWARD"]; })
.reduce(function(acc, curVal) { return acc + (+curVal); }, 0);
return {
name: g.key,
value: gValues.length,
sum: sum
};
});
return {
name: d.key,
children: dValues
};
});
// Root for hierarchy
var rootObject = {name: "Audience Segment", children: aggGrantPrograms};
initialize(rootObject);
["value", "sum"].forEach(function(d) { accumulateVal(rootObject, d); });
layout(rootObject);
display(rootObject);
function display(d) {
// Grandparent when clicked transitions the children out to parent
grandparent
.datum(d.parent)
.on("click", transition)
.select("text.title")
.text(name(d));
grandparent
.datum(d.parent)
.select("rect");
var g1 = svg.insert("g", ".grandparent")
.datum(d)
.attr("class", "depth");
var g = g1.selectAll("g")
.data(d._children)
.enter().append("g");
// When parent is clicked transitions to children
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("rect")
.attr("class", "child")
.call(rect);
g.append("rect")
.attr("class", "parent")
.call(rect)
.append("title")
.text(function(d) { return `Audience Segment: ${d.name}`; });
// Appending year, grants, and sum texts for each g
var textClassArr = [
{class: "year", accsor: function(d) { return d.name; }},
{class: "grants", accsor: function(d) { return `${d.value} segments`; }},
{class: "sum", accsor: function(d) { return `${d.sum.toLocaleString()} sample size`; }}
];
textClassArr.forEach(function(p, i) {
g.append("text")
.attr("class", p.class)
.attr("dy", ".5em")
.text(p.accsor)
.call(rectText(i));
});
function transition(d) {
if (transitioning || !d) return;
transitioning = true;
var g2 = display(d);
var t1 = g1.transition().duration(750);
var t2 = g2.transition().duration(750);
// Update the domain only after entering new elements.
x.domain([d.x, d.x + d.dx]);
y.domain([d.y, d.y + d.dy]);
// Enable anti-aliasing during the transition.
svg.style("shape-rendering", null);
// Draw child nodes on top of parent nodes.
svg.selectAll(".depth").sort(function(a, b) { return a.depth - b.depth; });
// Fade-in entering text.
g2.selectAll("text").style("fill-opacity", 0);
// Transition to the new view.
textClassArr.forEach(function(d, i) {
var textClass = `text.${d.class}`;
var textPlacmt = rectText(i);
t1.selectAll(textClass).call(textPlacmt).style("fill-opacity", 0);
t2.selectAll(textClass).call(textPlacmt).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 rectText(i) {
return grantText;
function grantText(text) {
return text.attr("x", function(d) { return x(d.x) + 6; })
.attr("y", function(d) { return y(d.y) + (25 + (i * 18)); })
.attr("fill", "black");
};
};
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); })
.attr("fill", function(d) { return colorScale(d.name);});
};
function name(d) {
return d.parent
? `${name(d.parent)}.${d.name} - Total Segments: ${d.value} -
Sample Size: ${d.sum.toLocaleString()}`
: d.name;
};
};