See this more recent, improved version.
Last active
February 8, 2016 23:43
-
-
Save mbostock/882152 to your computer and use it in GitHub Desktop.
Grouped Bar Chart
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| license: gpl-3.0 |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <!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="//d3js.org/d3.v3.min.js"></script> | |
| <script> | |
| var n = 20, // 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 = 960 - margin.left - margin.right, | |
| height = 500 - margin.top - margin.bottom; | |
| var y = d3.scale.linear() | |
| .domain([0, 1]) | |
| .range([height, 0]); | |
| var x0 = d3.scale.ordinal() | |
| .domain(d3.range(n)) | |
| .rangeBands([0, width], .2); | |
| var x1 = d3.scale.ordinal() | |
| .domain(d3.range(m)) | |
| .rangeBands([0, x0.rangeBand()]); | |
| var z = d3.scale.category10(); | |
| var xAxis = d3.svg.axis() | |
| .scale(x0) | |
| .orient("bottom"); | |
| var yAxis = d3.svg.axis() | |
| .scale(y) | |
| .orient("left"); | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", width + margin.left + margin.right) | |
| .attr("height", height + margin.top + margin.bottom) | |
| .append("svg:g") | |
| .attr("transform", "translate(" + margin.left + "," + margin.top + ")"); | |
| svg.append("g") | |
| .attr("class", "y axis") | |
| .call(yAxis); | |
| svg.append("g") | |
| .attr("class", "x axis") | |
| .attr("transform", "translate(0," + height + ")") | |
| .call(xAxis); | |
| svg.append("g").selectAll("g") | |
| .data(data) | |
| .enter().append("g") | |
| .style("fill", function(d, i) { return z(i); }) | |
| .attr("transform", function(d, i) { return "translate(" + x1(i) + ",0)"; }) | |
| .selectAll("rect") | |
| .data(function(d) { return d; }) | |
| .enter().append("rect") | |
| .attr("width", x1.rangeBand()) | |
| .attr("height", y) | |
| .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
Is there a logic that eludes me on why "y" is used for horizontal and "x" for vertical in this snippet?