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bar chart axis color scale
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| license: mit |
We can make this file beautiful and searchable if this error is corrected: No commas found in this CSV file in line 0.
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| value | |
| 1 | |
| 2 | |
| 5 | |
| 6 | |
| 10 |
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| <!DOCTYPE html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <style> | |
| body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; } | |
| </style> | |
| </head> | |
| <body> | |
| <script> | |
| // 1. Create the SVG | |
| var svg = d3.select("body") | |
| .append("svg") | |
| .attr("width", 800) | |
| .attr("height", 600) | |
| // 2. Generate data | |
| var data = d3.range(33) | |
| d3.csv('dataset.csv', function(error, raw) { | |
| // Data pre-processing | |
| raw.forEach(function(d, i) { | |
| d.value = +d.value; | |
| }) | |
| console.log(raw) | |
| data = raw | |
| }); | |
| // Axis | |
| var x = d3.scaleBand() | |
| .domain(data) | |
| .paddingInner(0.05) | |
| .range([0, 500]) | |
| var y = d3.scaleLinear() | |
| .domain([d3.min(data), d3.max(data)]) | |
| .range([0, 100]) | |
| var xAxis = d3.axisBottom() | |
| .scale(x); | |
| // Line generator | |
| var line = d3.line().curve(d3.curveCardinal) | |
| .x(function(d, i) { return x(i); }) | |
| .y(function(d) { return 300 -y(d); }) | |
| svg.selectAll(".line").data([data]).enter() | |
| .append("path") | |
| .attr("class", "line") | |
| .attr("d", function(d) { return line(d); }) | |
| .attr("stroke", "black") | |
| svg.append('g') | |
| .attr('transform', 'translate(15,' + 300 + ')') | |
| .attr('class', 'x axis') | |
| .call(xAxis); | |
| var color = d3.scaleOrdinal(d3.schemeCategory20) | |
| // 3. Data binding | |
| svg.selectAll("rect").data(data).enter() | |
| .append("rect") | |
| .attr("x", function(d, i) { return x(d); }) | |
| .attr("y", function(d, i) { return 300 - y(d); }) | |
| .attr("width", function(d, i) { return x.bandwidth(); }) | |
| .attr("height", function(d, i) { return y(d); }) | |
| .attr("fill", function(d, i) { return color(i); }) | |
| .on("mouseover", function(d, i) { | |
| d3.select(this).attr("fill", "red") | |
| svg.append("text") | |
| .attr("id", "label_" + d) | |
| .attr("x", x(d)) | |
| .attr("y", 300 - y(d)) | |
| .text(d) | |
| }) | |
| .on("mouseleave", function(d, i) { | |
| d3.select(this).attr("fill", "green") | |
| d3.selectAll("#label_" + d).remove() | |
| }) | |
| </script> | |
| </body> |
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