Scalable Horizontal Bar chart
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Scalable horizontal bar chart
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <title>Zoom + Pan</title> | |
| <style> | |
| .overlay { | |
| fill: none; | |
| pointer-events: all; | |
| } | |
| </style> | |
| <body> | |
| <script src="//d3js.org/d3.v3.min.js"></script> | |
| <script> | |
| var width = 960, | |
| height = 500; | |
| //var randomX = d3.random.normal(width / 2, 80); | |
| var randomY = d3.random.normal(height / 2, 80); | |
| var randomX = function () { return Math.random() * width; }; | |
| var data = d3.range(2000).map(function() { | |
| return [ | |
| Math.floor(randomX()), | |
| Math.abs(Math.floor(randomY())) | |
| ]; | |
| }).sort(function(a,b){return a[0]-b[0];}); | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", width) | |
| .attr("height", height) | |
| .append("g") | |
| .call(d3.behavior.zoom().scaleExtent([1, 8]).on("zoom", zoom)) | |
| .append("g"); | |
| svg.append("rect") | |
| .attr("class", "overlay") | |
| .attr("width", width) | |
| .attr("height", height); | |
| svg.selectAll("rect.bars") | |
| .data(data) | |
| .enter().append("rect") | |
| .attr("width", function(d) { return d[1];} ) | |
| .attr("height", 1) | |
| .attr("x", function(d) { return d[0]; }) | |
| .attr("y", function(d, i) { return i; }); | |
| function zoom() { | |
| svg.attr("transform", "translate(" + d3.event.translate[0] + ")scale(" + d3.event.scale + " 1)"); | |
| } | |
| </script> |
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