A Pen by Carl V Lewis on CodePen.
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November 20, 2018 22:55
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Responsive d3v4 treemap with hierarchical zoom
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<div id="chart"></div> | |
<div id="legend"></div> |
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var dollarformat = d3.format("$0,000") | |
var pctformat = d3.format("00.0%") | |
var margin = {top: 40, right: 0, bottom: 0, left: 0}, | |
width = 960, | |
height = 460 - margin.top - margin.bottom, | |
formatNumber = d3.format(",d"), | |
formatLegend = d3.format(",%"), | |
colorDomain = [-5000, -500, -20, -5, 0, 5, 20, 500, 5000], | |
colorRange = ["#67001f", "#b2182b", "#d6604d", "#f4a582", "#f7f7f7", "#92c5de", "#4393c3", "#2166ac", "#053061"], | |
transitioning; | |
var x = d3.scale.linear() | |
.domain([0, width]) | |
.range([0, width]); | |
var y = d3.scale.linear() | |
.domain([0, height]) | |
.range([0, height]); | |
var color = d3.scale.linear() | |
.domain(colorDomain) | |
.range(colorRange); | |
var treemap = d3.layout.treemap() | |
.value(function(d) {return d.amount2017}) | |
.children(function(d, depth) { return depth ? null : d._children; }) | |
.sort(function(a, b) { console.log(a.amount2017); return a.amount2017 - b.amount2017; }) | |
.ratio(height / width * 0.5 * (1 + Math.sqrt(5))) | |
.round(false); | |
///////////// | |
/// LEGEND // | |
///////////// | |
var legend = d3.select("#legend").append("svg") | |
.attr("width", width + margin.left + margin.right) | |
.attr("height", 40) | |
.attr('class', 'legend') | |
.attr("x", 12) | |
.style("margin-left", 215) | |
.selectAll("g") | |
.data([0,2,4,6,8,10,12]) | |
.enter() | |
.append('g'); | |
function colorIncrements(d){ | |
return (30)/12*d + -15; | |
} | |
legend.append("rect") | |
.attr("x", function(d){return margin.left + d * 40}) | |
.attr("y", 0) | |
.attr("fill", function(d) {return color(colorIncrements(d))}) | |
.attr('width', '40px') | |
.attr('height', '8px') | |
legend.append("text") | |
.text(function(d){return formatLegend(colorIncrements(d)/100)}) | |
.attr('y', 30) | |
.attr('x', function(d){return margin.left + d * 40 + 20}); | |
/// END LEGEND /// | |
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 div = d3.select("#chart").append("div") | |
.attr("class", "tooltip") | |
.style("opacity", 0); | |
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", 10 - margin.top) | |
.attr("dy", ".75em"); | |
////////////////// | |
/// Second chart | |
////////////////// | |
var lgsize=100 | |
var smsize=50 | |
d3.json("https://gist.githubusercontent.com/carlvlewis/d0b2cbb6b214c7ca658a89d3c2fd6bfa/raw/e290e0947c3998b19a4a9a0facb9547962c1b5e6/sav_budget_expenses_json", function(root) { | |
initialize(root); | |
accumulate(root); | |
accum2(root); | |
layout(root); | |
display(root); | |
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) { | |
console.log(d.amount2017); | |
return (d._children = d.children) | |
? d.amount2017 = d.children.reduce(function(p, v) { return p + accumulate(v); }, 0) | |
: d.amount2017; | |
} | |
function accum2(d) { | |
console.log(d.amount2016); | |
return (d._children = d.children) | |
? d.amount2016= d.children.reduce(function(p, v) { return p + accum2(v); }, 0) | |
: d.amount2016 | |
} | |
// 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) { | |
// filter | |
//var data=d._children.filter(function(d) { return d.amount2017 >= 20000000; }); | |
//added for small box | |
grandparent | |
.datum(d.parent) | |
.on("click", transition_out) | |
.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_in); | |
// | |
g.on("mouseover", function(d) { | |
div.transition().duration(50) | |
.style("opacity", 1) | |
.style("height", (d.desc!=null ? (Math.ceil(d.desc.length/75)*19+107) + "px" : "107px")) | |
div.html("<br/>"+d.name + "<br/> <br/>" + "2017 : "+ dollarformat(d.amount2017) + " <br/> 2016 : " +dollarformat(d.amount2016) +"<br/> Percentage change: "+ (((d.amount2017-d.amount2016)/d.amount2016)*100).toFixed(2).toString()+"% <br/>"+(d.desc!=null ? d.desc : "")) | |
.style("left", Math.max(Math.min((d3.event.pageX - 350),430),20) + "px") | |
.style("top", Math.min((d3.event.pageY-70),200) + "px"); | |
}) | |
.on("mouseout", function() { | |
div.transition().duration(50) | |
.style("opacity", 0); | |
}) | |
g.append("rect") | |
.attr("class", "parent") | |
.call(rect) | |
.append("title") | |
.text(function(d) { return formatNumber(d.amount2017); }); | |
g.append("foreignObject") | |
.call(rect) | |
.attr("class","foreignobj") | |
.append("xhtml:div") | |
.attr("dy", ".75em") | |
.html(function(d) { if(parseInt( x(d.x + d.dx) - x(d.x) ) >130 ) return d.name + ": " + dollarformat(d.amount2017); else return ""; }) | |
.attr("class","textdiv"); //textdiv class allows us to style the text easily with CSS | |
function transition_in(d) { | |
if (transitioning || !d) return; | |
transitioning = true; | |
arrow=grandparent.append("text") // append arrow | |
.attr('font-family', 'FontAwesome') | |
.attr("class", "svg-icon") | |
.attr("x", 915) | |
.attr("y", 25 - margin.top) | |
.text("\uF106") | |
.style("opacity", 0); | |
arrow.transition().duration(500) // fade in arrow | |
.style("opacity", 1) | |
g.selectAll(".child") | |
.data(function(d) { return d.parent._children || [d]; }) | |
.enter().append("rect") | |
.attr("class", "child") | |
.call(rect); | |
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(".textdiv").style("color", "rgba(0, 0, 0, 0)"); /* added */ | |
// Transition to the new view. | |
t1.selectAll("rect").call(rect); | |
t2.selectAll("rect").call(rect); | |
t1.selectAll(".textdiv").style("display", "block"); /* added */ | |
t2.selectAll(".textdiv").style("display", "block"); /* added */ | |
g2.transition().delay(650).duration(100).selectAll(".textdiv").style("color", "rgba(0, 0, 0, 1)"); /* added */ | |
t1.selectAll(".foreignobj").call(foreign); /* added */ | |
t2.selectAll(".foreignobj").call(foreign); /* added */ | |
// Remove the old node when the transition is finished. | |
t1.remove().each("end", function() { | |
svg.style("shape-rendering", "crispEdges"); | |
transitioning = false; | |
}); | |
} | |
function transition_out(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(".textdiv").style("color", "rgba(0, 0, 0, 0)"); /* added */ | |
// Transition to the new view. | |
t1.selectAll("rect").call(rect); | |
t2.selectAll("rect").call(rect); | |
t1.selectAll(".textdiv").style("display", "block"); /* added */ | |
t2.selectAll(".textdiv").style("display", "block"); /* added */ | |
g2.transition().delay(650).duration(100).selectAll(".textdiv").style("color", "rgba(0, 0, 0, 1)"); /* added */ | |
t1.selectAll(".foreignobj").call(foreign); /* added */ | |
t2.selectAll(".foreignobj").call(foreign); /* added */ | |
// Remove the old node when the transition is finished. | |
t1.remove().each("end", function() { | |
svg.style("shape-rendering", "crispEdges"); | |
transitioning = false; | |
}); | |
} | |
return g; | |
} | |
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 isNaN((parseFloat(d.amount2017)/parseFloat(d.amount2016)-1)*100) ? color(0) : color((parseFloat(d.amount2017)/parseFloat(d.amount2016)-1)*100);}); | |
} | |
function foreign(foreign){ /* added */ | |
foreign.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 | |
? d.name + ": "+ dollarformat(d.amount2017) | |
: d.name + ": "+ dollarformat(d.amount2017); | |
} | |
}); |
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<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.4.5/d3.min.js"></script> | |
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script> |
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#chart { | |
width: 100%; | |
height: 460px; | |
margin-top: -80px; | |
position: relative; | |
pointer-events: all; | |
font-family: helvetica,arial, sans-serif; | |
} | |
#legend { | |
width: 100%; | |
height: 20px; | |
margin: 25px auto; | |
position: relative; | |
font-family: helvetica,arial, sans-serif; | |
} | |
h1,h2,h3,h4,p, em { | |
font-family: helvetica, arial, sans-serif; | |
} | |
text { | |
pointer-events: all; | |
} | |
.alignleft { | |
float: left; | |
} | |
.alignright { | |
float: right; | |
} | |
.grandparent text { | |
font-weight: bold; | |
font-size: 22px; | |
} | |
rect { | |
stroke: #fff; | |
stroke-width: 1.5px; | |
} | |
rect.parent, | |
.grandparent rect { | |
stroke-width: 1.5px; | |
} | |
.grandparent rect { | |
fill: #bbb; | |
text-align: center; | |
} | |
.grandparent:hover rect { | |
fill: #f0f0f0; | |
} | |
.children rect.parent, | |
.grandparent rect { | |
cursor: pointer; | |
} | |
.children rect.child { | |
opacity: 1; | |
} | |
.children rect.parent { | |
opacity: 1; | |
} | |
.children:hover rect.child { | |
opacity: 1; | |
stroke-width: 1.5px; | |
} | |
.children:hover rect.parent { | |
opacity: .5; | |
} | |
.legend rect { | |
stroke-width: 0px; | |
} | |
.legend text { | |
text-anchor: middle; | |
font-size: 11px; | |
fill: black; | |
} | |
.textdiv { /* text in the boxes */ | |
font-size: 14px; | |
padding: 5px; | |
} | |
div.tooltip { | |
position: absolute; | |
text-align: center; | |
width: 50%; | |
height: 285px; | |
line-height: 14px; | |
padding: 0px; | |
font-size: 14px; | |
font-weight: normal; | |
background: rgba(0, 0, 0, 0.8); | |
border: 1px; | |
border-radius: 8px; | |
color: rgba(255, 255, 255, .95); | |
pointer-events: none; | |
} |
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<link href="https://maxcdn.bootstrapcdn.com/font-awesome/4.4.0/css/font-awesome.min.css" rel="stylesheet" /> | |
<link href="https://openbudgetsac.org/css/style.css" rel="stylesheet" /> |
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