Skip to content

Instantly share code, notes, and snippets.

@mbostock

mbostock/.block

Last active June 17, 2017 12:10
Show Gist options
  • Star 5 You must be signed in to star a gist
  • Fork 14 You must be signed in to fork a gist
  • Save mbostock/4679202 to your computer and use it in GitHub Desktop.
Save mbostock/4679202 to your computer and use it in GitHub Desktop.
Download ZIP
Stacked-to-Multiples
Raw
.block
license: gpl-3.0
Raw
data.tsv
group date value
1 2008-01 10
1 2008-04 8
1 2008-07 14
1 2008-10 9
1 2009-01 10
1 2009-04 8
1 2009-07 14
1 2009-10 9
2 2008-01 3
2 2008-04 3.5
2 2008-07 5
2 2008-10 11
2 2009-01 3
2 2009-04 3.5
2 2009-07 4.5
2 2009-10 10.5
3 2008-01 10
3 2008-04 8
3 2008-07 14
3 2008-10 9
3 2009-01 10
3 2009-04 8
3 2009-07 14
3 2009-10 9
4 2008-01 3
4 2008-04 3.5
4 2008-07 5
4 2008-10 11
4 2009-01 3
4 2009-04 3.5
4 2009-07 4.5
4 2009-10 10.5
Raw
index.html
<!DOCTYPE html>
<meta charset="utf-8">
<style>
body {
font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
margin: auto;
position: relative;
width: 960px;
}
text {
font: 10px sans-serif;
}
.axis path {
display: none;
}
.axis line {
fill: none;
stroke: #000;
shape-rendering: crispEdges;
}
.group-label {
font-weight: bold;
text-anchor: end;
}
form {
position: absolute;
right: 10px;
top: 10px;
}
</style>
<form>
<label><input type="radio" name="mode" value="multiples" checked> Multiples</label>
<label><input type="radio" name="mode" value="stacked"> Stacked</label>
</form>
<script src="//d3js.org/d3.v3.min.js"></script>
<script>
var parseDate = d3.time.format("%Y-%m").parse,
formatYear = d3.format("02d"),
formatDate = function(d) { return "Q" + ((d.getMonth() / 3 | 0) + 1) + formatYear(d.getFullYear() % 100); };
var margin = {top: 10, right: 20, bottom: 20, left: 60},
width = 960 - margin.left - margin.right,
height = 500 - margin.top - margin.bottom;
var y0 = d3.scale.ordinal()
.rangeRoundBands([height, 0], .2);
var y1 = d3.scale.linear();
var x = d3.scale.ordinal()
.rangeRoundBands([0, width], .1, 0);
var xAxis = d3.svg.axis()
.scale(x)
.orient("bottom")
.tickFormat(formatDate);
var nest = d3.nest()
.key(function(d) { return d.group; });
var stack = d3.layout.stack()
.values(function(d) { return d.values; })
.x(function(d) { return d.date; })
.y(function(d) { return d.value; })
.out(function(d, y0) { d.valueOffset = y0; });
var color = d3.scale.category10();
var svg = d3.select("body").append("svg")
.attr("width", width + margin.left + margin.right)
.attr("height", height + margin.top + margin.bottom)
.append("g")
.attr("transform", "translate(" + margin.left + "," + margin.top + ")");
d3.tsv("data.tsv", function(error, data) {
data.forEach(function(d) {
d.date = parseDate(d.date);
d.value = +d.value;
});
var dataByGroup = nest.entries(data);
stack(dataByGroup);
x.domain(dataByGroup[0].values.map(function(d) { return d.date; }));
y0.domain(dataByGroup.map(function(d) { return d.key; }));
y1.domain([0, d3.max(data, function(d) { return d.value; })]).range([y0.rangeBand(), 0]);
var group = svg.selectAll(".group")
.data(dataByGroup)
.enter().append("g")
.attr("class", "group")
.attr("transform", function(d) { return "translate(0," + y0(d.key) + ")"; });
group.append("text")
.attr("class", "group-label")
.attr("x", -6)
.attr("y", function(d) { return y1(d.values[0].value / 2); })
.attr("dy", ".35em")
.text(function(d) { return "Group " + d.key; });
group.selectAll("rect")
.data(function(d) { return d.values; })
.enter().append("rect")
.style("fill", function(d) { return color(d.group); })
.attr("x", function(d) { return x(d.date); })
.attr("y", function(d) { return y1(d.value); })
.attr("width", x.rangeBand())
.attr("height", function(d) { return y0.rangeBand() - y1(d.value); });
group.filter(function(d, i) { return !i; }).append("g")
.attr("class", "x axis")
.attr("transform", "translate(0," + y0.rangeBand() + ")")
.call(xAxis);
d3.selectAll("input").on("change", change);
var timeout = setTimeout(function() {
d3.select("input[value=\"stacked\"]").property("checked", true).each(change);
}, 2000);
function change() {
clearTimeout(timeout);
if (this.value === "multiples") transitionMultiples();
else transitionStacked();
}
function transitionMultiples() {
var t = svg.transition().duration(750),
g = t.selectAll(".group").attr("transform", function(d) { return "translate(0," + y0(d.key) + ")"; });
g.selectAll("rect").attr("y", function(d) { return y1(d.value); });
g.select(".group-label").attr("y", function(d) { return y1(d.values[0].value / 2); })
}
function transitionStacked() {
var t = svg.transition().duration(750),
g = t.selectAll(".group").attr("transform", "translate(0," + y0(y0.domain()[0]) + ")");
g.selectAll("rect").attr("y", function(d) { return y1(d.value + d.valueOffset); });
g.select(".group-label").attr("y", function(d) { return y1(d.values[0].value / 2 + d.values[0].valueOffset); })
}
});
</script>
@jfsiii
Copy link

jfsiii commented Jul 24, 2013

Is there a way to have the Y Axis show a single range (e.g, 0-200) when the values are stacked, and multiple ranges for the multiples setting (either several 0-100 ranges, or something like 0-20, 0-50, 0-50, 0-100)?

The multiples setting makes it very easy to determine relative changes, but it'd be nice to determine the absolute values as well.

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment