Skip to content

Instantly share code, notes, and snippets.

@romsson
Last active January 24, 2020 07:10
Show Gist options
  • Star 0 You must be signed in to star a gist
  • Fork 0 You must be signed in to fork a gist
  • Save romsson/e68764eb17e4684aade6c88112299145 to your computer and use it in GitHub Desktop.
Save romsson/e68764eb17e4684aade6c88112299145 to your computer and use it in GitHub Desktop.
grouped bar chart (b&w mockup)
license: mit
<!DOCTYPE html>
<meta charset="utf-8">
<style>
.axis text {
font: 10px sans-serif;
}
.axis path,
.axis line {
fill: none;
stroke: #000;
shape-rendering: crispEdges;
}
.x.axis path {
display: none;
}
</style>
<body>
<script src="https://d3js.org/d3.v4.min.js"></script>
<script>
// Source: https://bl.ocks.org/mbostock/3887051
var n = 8, // number of samples
m = 4; // number of series
var data = d3.range(m).map(function() {
return d3.range(n).map(Math.random);
});
var margin = {top: 20, right: 30, bottom: 30, left: 40},
width = 600 - margin.left - margin.right,
height = 100 - margin.top - margin.bottom;
var y = d3.scaleLinear()
.domain([0, 1])
.range([height, 0]);
var x0 = d3.scaleBand()
.domain(d3.range(n))
.range([0, width], .2);
var x1 = d3.scaleBand()
.domain(d3.range(m))
.range([0, x0.bandwidth() - 10]);
var z = d3.scaleOrdinal()
.range(["#98abc5", "#8a89a6", "#7b6888", "#6b486b", "#a05d56", "#d0743c", "#ff8c00"]);
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 + ")");
svg.append("g").selectAll("g")
.data(data)
.enter().append("g")
.style("fill", function(d, i) { return "white"; })
.attr("transform", function(d, i) { return "translate(" + x1(i) + ",0)"; })
.selectAll("rect")
.data(function(d) { return d; })
.enter().append("rect")
.attr("width", x1.bandwidth())
.attr("height", y)
.style("fill", function(d, i) { return "white"; })
.style("stroke", "black")
.attr("x", function(d, i) { return x0(i); })
.attr("y", function(d) { return height - y(d); });
</script>
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment