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May 22, 2017 05:29
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Line Chart
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| license: mit |
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| { | |
| } | |
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| <!DOCTYPE html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script> | |
| <style> | |
| body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; } | |
| body { | |
| background: '#FAFAFA' | |
| } | |
| svg.line-chart { | |
| background: white | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <script> | |
| // Sample Data | |
| var rawData = [{ | |
| date: '20170501', | |
| value: 5 | |
| },{ | |
| date: '20170507', | |
| value: 10 | |
| }, { | |
| date: '20170511', | |
| value: 15 | |
| }, { | |
| date: '20170517', | |
| value: 30 | |
| }, { | |
| date: '20170521', | |
| value: 40 | |
| }, { | |
| date: '20170525', | |
| value: 60 | |
| }, { | |
| date: '20170530', | |
| value: 80 | |
| }] | |
| // Settings | |
| var width = 800 | |
| var height = 300 | |
| var margin = { top: 20, bottom: 20, left: 20, right: 20} | |
| var interpolation = 'monotone' | |
| // Utility | |
| var parseDate = d3.time.format("%Y%m%d").parse; | |
| var translation = (x, y) => `translate(${x}, ${y})` | |
| // Clean Data | |
| var data = rawData.map((d) => { | |
| return { | |
| value: d.value, | |
| date: parseDate(d.date) | |
| } | |
| }) | |
| // Scales | |
| var xExtent = d3.extent(data, d => d.date) | |
| var xScale = d3.time.scale() | |
| .range([margin.left, width - margin.right ]) | |
| .domain(xExtent) | |
| var yExtent = d3.extent(data, d => d.value) | |
| var yScale = d3.scale.linear() | |
| .range([height - margin.bottom, margin.top]) | |
| .domain(yExtent) | |
| // Axis | |
| var xAxis = d3.svg.axis() | |
| .scale(xScale) | |
| .orient("bottom") | |
| // Define the line | |
| var line = d3.svg.line() | |
| .x(d => xScale(d.date)) | |
| .y(d => yScale(d.value)) | |
| .interpolate(interpolation) | |
| // Feel free to change or delete any of the code you see in this editor! | |
| var svg = d3.select("body").append("svg") | |
| .attr("class", "line-chart") | |
| .attr("width", width) | |
| .attr("height", height) | |
| svg.append("path") | |
| .attr("d", line(data)) | |
| .attr("fill", 'none') | |
| .attr("stroke", 'blue') | |
| // Add X - Axis | |
| svg.append("g") | |
| .attr("transform", translation(0, height - margin.bottom)) | |
| .call(xAxis) | |
| </script> | |
| </body> |
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