Simple bar chart with hover. Learning D3.js...
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August 29, 2015 14:11
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responder count bar
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| Day | X13CCPS | X13CXPS | |
|---|---|---|---|
| 1 | 0 | 19 | |
| 3 | 2 | 19 | |
| 7 | 5 | 15 | |
| 14 | 42 | 6 | |
| 30 | 39 | 1 |
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| var margin = {top: 25, right: 30, bottom: 90, left: 80}, | |
| width = 600 - margin.left - margin.right, | |
| height = 500 - margin.top - margin.bottom; | |
| var y = d3.scale.linear() | |
| .range([height, 0]); | |
| var x = d3.scale.ordinal() | |
| .rangeRoundBands([0, width], 0.1); | |
| var yAxis = d3.svg.axis() | |
| .scale(y) | |
| .orient("left"); | |
| var xAxis = d3.svg.axis() | |
| .scale(x) | |
| .orient("bottom"); | |
| var chart = d3.select(".chart") | |
| .attr("width", width + margin.right + margin.left) | |
| .attr("height", height + margin.top + margin.bottom) | |
| .append("g") | |
| .attr("transform", "translate(" + margin.left + "," + margin.top + ")"); | |
| d3.csv("readme.csv", type, function(error, data) { | |
| x.domain(data.map(function(d) { return d.Day; })); | |
| y.domain([0, d3.max(data, function(d) { return d.X13CCPS; })]); | |
| chart.append("g") | |
| .attr("class", "axis") | |
| .attr("transform", "translate(0," + height + ")") | |
| .call(xAxis) | |
| .append("text") | |
| .attr("class", "ax-title") | |
| .attr("x", width / 2) | |
| .attr("y", margin.bottom / 2) | |
| .text("Day"); | |
| chart.append("g") | |
| .attr("class", "axis") | |
| .call(yAxis) | |
| .append("text") | |
| .attr("class", "ax-title") | |
| .attr("transform", "rotate(-90)") | |
| .attr("x", -height / 2) | |
| .attr("y", -margin.left / 2) | |
| .text("Count"); | |
| var bar = chart.selectAll(".bar") | |
| .data(data) | |
| .enter().append("rect") | |
| .attr("class", "bar") | |
| .attr("x", function(d) { return x(d.Day); }) | |
| .attr("y", function(d) { return y(d.X13CCPS); }) | |
| .attr("height", function(d) { return height - y(d.X13CCPS); }) | |
| .attr("width", x.rangeBand()) | |
| .attr("fill", "steelblue"); | |
| }); | |
| function type(d) { | |
| d.X13CCPS = +d.X13CCPS; | |
| d.X13CXPS = +d.X13CXPS; | |
| return d; | |
| } |
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <style> | |
| .axis path, | |
| .axis line { | |
| fill: none; | |
| stroke: #000; | |
| shape-rendering: crispEdges; | |
| } | |
| .bar { | |
| fill: steelblue; | |
| } | |
| .bar:hover { | |
| fill: orange; | |
| } | |
| .axis { | |
| font: 16px sans-serif; | |
| } | |
| .ax-title { | |
| font: 24px sans-serif; | |
| text-anchor: middle; | |
| } | |
| </style> | |
| <svg class="chart"></svg> | |
| </head> | |
| <body> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <script src="bar.js"></script> | |
| </body> | |
| </html> |
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