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March 15, 2017 23:11
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basic d3 bar chart
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| license: mit |
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| <!DOCTYPE html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <style> | |
| body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; } | |
| </style> | |
| </head> | |
| <body> | |
| <script> | |
| var dataset = [ 5, 10, 13, 19, 21, 25, 22, 18, 15, 13, | |
| 11, 12, 15, 20, 18, 17, 16, 18, 23, 25 ]; | |
| //Width and height | |
| var w = 500; | |
| var h = 100; | |
| var barPadding = 1; | |
| //Create SVG element | |
| 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("width", w / dataset.length - barPadding) | |
| .attr("height", function(d) { | |
| return d; //Just the data value | |
| }) | |
| .attr("y", function(d) { | |
| return h - d; //Height minus data value | |
| }) | |
| </script> | |
| </body> |
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