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| <html> | |
| <head> | |
| <title>Bar Chart</title> | |
| <script type="text/javascript" src="http://github.com/mbostock/d3/raw/v1.8.2/d3.js"></script> | |
| <style type="text/css"> | |
| body { | |
| font: 10px sans-serif; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div class="value"></div> | |
| <script type="text/javascript"> | |
| var n = 20, // number of samples | |
| m = 4, // number of series | |
| data = d3.range(m).map(function() { return d3.range(n).map(Math.random); }); | |
| var w = 940, | |
| h = 460, | |
| x = d3.scale.linear().domain([0, 1]).range([0, h]), | |
| y0 = d3.scale.ordinal().domain(d3.range(n)).rangeBands([0, w], .2), | |
| y1 = d3.scale.ordinal().domain(d3.range(m)).rangeBands([0, y0.rangeBand()]), | |
| z = d3.scale.category10(); | |
| var vis = d3.select("body") | |
| .append("svg:svg") | |
| .attr("width", w + 20) | |
| .attr("height", h + 40) | |
| .append("svg:g") | |
| .attr("transform", "translate(10,10)"); | |
| var g = vis.selectAll("g") | |
| .data(data) | |
| .enter().append("svg:g") | |
| .attr("fill", function(d, i) { return z(i); }) | |
| .attr("transform", function(d, i) { return "translate(" + y1(i) + ",0)"; }); | |
| var rect = g.selectAll("rect") | |
| .data(Object) | |
| .enter().append("svg:rect") | |
| .attr("transform", function(d, i) { return "translate(" + y0(i) + ",0)"; }) | |
| .attr("width", y1.rangeBand()) | |
| .attr("height", x) | |
| .attr("y", function(d) { return h - x(d); }); | |
| vis.selectAll("rect").on("mouseover", mouseover); | |
| var text = vis.selectAll("text") | |
| .data(d3.range(n)) | |
| .enter().append("svg:text") | |
| .attr("class", "group") | |
| .attr("transform", function(d, i) { return "translate(" + y0(i) + ",0)"; }) | |
| .attr("x", y0.rangeBand() / 2) | |
| .attr("y", h + 6) | |
| .attr("dy", ".71em") | |
| .attr("text-anchor", "middle") | |
| .text(function(d, i) { return String.fromCharCode(65 + i); }); | |
| function mouseover(d) { | |
| d3.select(".value").text(d); | |
| } | |
| </script> | |
| </body> | |
| </html> |
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