Created
August 10, 2012 20:23
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playin around with dee three
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| <html> | |
| <head> | |
| <title>D3 Demo: Making a bar chart with value labels!</title> | |
| <script type="text/javascript" src="d3.js"></script> | |
| <style type="text/css"> | |
| /* No style rules here yet */ | |
| </style> | |
| </head> | |
| <body> | |
| <script type="text/javascript"> | |
| //Width and height | |
| var w = 800; | |
| var h = 500; | |
| var barPadding = 1; | |
| var dataset = [ 5, 10, 13, 19, 21, 25, 22, 18, 15, 13, | |
| 11, 12, 15, 20, 18, 17, 16, 18, 23, 25 ]; | |
| var maxValue = Math.max.apply(Math, dataset); | |
| //Create SVG element | |
| var svg = d3.select("body") | |
| .append("svg") | |
| .attr("width", w) | |
| .attr("height", h); | |
| var gradient = svg.append("svg:defs") | |
| .append("svg:linearGradient") | |
| .attr("id", "gradient") | |
| .attr("x1", "0%") | |
| .attr("y1", "0%") | |
| .attr("x2", "100%") | |
| .attr("y2", "100%") | |
| .attr("spreadMethod", "pad"); | |
| gradient.append("svg:stop") | |
| .attr("offset", "0%") | |
| .attr("stop-color", "#0c0") | |
| .attr("stop-opacity", 1); | |
| gradient.append("svg:stop") | |
| .attr("offset", "100%") | |
| .attr("stop-color", "#c00") | |
| .attr("stop-opacity", 1); | |
| svg.selectAll("rect") | |
| .data(dataset) | |
| .enter() | |
| .append("rect") | |
| .attr("x", function(d, i) { | |
| return i * (w / dataset.length); | |
| }) | |
| .attr("y", 0) | |
| .attr("width", w / dataset.length - barPadding) | |
| .attr("height", h - 22) | |
| .attr("fill", "url(#gradient)"); | |
| //.attr("fill", function(d) { | |
| // return "rgb(0, 0, " + Math.ceil(255 * d / maxValue) + ")"; | |
| }); | |
| svg.selectAll("text") | |
| .data(dataset) | |
| .enter() | |
| .append("text") | |
| .text(function(d, i) { | |
| return i + 1990; | |
| }) | |
| .attr("text-anchor", "middle") | |
| .attr("x", function(d, i) { | |
| return i * (w / dataset.length) + (w / dataset.length - barPadding) / 2; | |
| }) | |
| .attr("y", function(d) { | |
| return h - 10; | |
| }) | |
| .attr("font-family", "sans-serif") | |
| .attr("font-size", "11px") | |
| .attr("fill", "black"); | |
| </script> | |
| </body> | |
| </html> |
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