Created
October 2, 2018 14:05
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Simple histogram with d3.js
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| <html> | |
| <head> | |
| <script src="https://d3js.org/d3.v5.min.js"></script> | |
| </head> | |
| <body> | |
| <script type="text/javascript"> | |
| var dataset = [5, 10, 13, 19, 21, 25, 22, 18, 15, 13, 11, 12, 15, 20, 18, 17, 16, 18, 23, 25]; | |
| var w = 500; | |
| var h = 100; | |
| var barPadding = 1; | |
| var svg = d3.select("body") | |
| .append("svg") | |
| .attr("width", w) | |
| .attr("height", h); | |
| svg.selectAll("rect") | |
| .data(dataset) | |
| .enter() | |
| .append("rect") | |
| .attr("x", function (d, i) { | |
| return i * (w / dataset.length); | |
| }) | |
| .attr("y", function (d) { | |
| return h - (d * 4); | |
| }) | |
| .attr("width", w / dataset.length - barPadding) | |
| .attr("height", function (d) { | |
| return d * 4; | |
| }) | |
| .attr("fill", function (d) { | |
| return "rgb(0, 0, " + (d * 10) + ")"; | |
| }); | |
| svg.selectAll("text") | |
| .data(dataset) | |
| .enter() | |
| .append("text") | |
| .text(function (d) { | |
| return d; | |
| }) | |
| .attr("x", function (d, i) { | |
| return i * (w / dataset.length) + (w / dataset.length - barPadding) / 2; | |
| }) | |
| .attr("y", function (d) { | |
| return h - (d * 4) + 14; | |
| }) | |
| .attr("font-family", "sans-serif") | |
| .attr("font-size", "11px") | |
| .attr("fill", "white") | |
| .attr("text-anchor", "middle"); | |
| </script> | |
| </body> | |
| </html> |
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