A basic SVG bar chart. Part of the Let’s Make a Bar Chart tutorial.
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Bar Chart II
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| license: gpl-3.0 |
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| .chart rect { | |
| fill: steelblue; | |
| } | |
| .chart text { | |
| font: 10px sans-serif; | |
| } | |
| .axis path { | |
| display: none; | |
| } | |
| .axis line { | |
| stroke: #fff; | |
| stroke-opacity: .5; | |
| shape-rendering: crispEdges; | |
| } | |
| </style> | |
| <svg class="chart"></svg> | |
| <script src="//d3js.org/d3.v3.min.js"></script> | |
| <script> | |
| var data = [4, 8, 15, 16, 23, 42].reverse(); | |
| var margin = {top: 30, right: 0, bottom: 0, left: 30}, | |
| width = 420, | |
| barHeight = 20, | |
| height = barHeight * data.length; | |
| var x = d3.scale.linear() | |
| .domain([0, d3.max(data)]) | |
| .range([0, width]); | |
| var xAxis = d3.svg.axis() | |
| .scale(x) | |
| .orient("top") | |
| .tickSize(-height); | |
| var chart = d3.select(".chart") | |
| .attr("width", width + margin.left + margin.right) | |
| .attr("height", height + margin.top + margin.bottom) | |
| .append("g") | |
| .attr("transform", "translate(" + margin.left + "," + margin.top + ")"); | |
| chart.append("g") | |
| .attr("class", "bars") | |
| .selectAll("rect") | |
| .data(data) | |
| .enter().append("rect") | |
| .attr("y", function(d, i) { return i * barHeight; }) | |
| .attr("height", barHeight - 1) | |
| .attr("width", x); | |
| chart.append("g") | |
| .attr("class", "axis") | |
| .call(xAxis) | |
| .select(".tick line") | |
| .style("stroke", "#000"); | |
| </script> |
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