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| license: mit |
We can make this file beautiful and searchable if this error is corrected: It looks like row 7 should actually have 3 columns, instead of 2. in line 6.
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| date,value,target | |
| 20-Apr-12,110.98,105.23 | |
| 23-Apr-12,146.70,140.11 | |
| 24-Apr-12,130.28,135.11 | |
| 25-Apr-12,120.00,120.00 | |
| 26-Apr-12,110.70,117.00 | |
| 27-Apr-12,116.00 | |
| 30-Apr-12,123.98 | |
| 1-May-12,158.13 |
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| <!DOCTYPE html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <style> | |
| body {padding: 100px; margin:0;position:fixed;top:0;right:0;bottom:0;left:0; } | |
| svg { | |
| border: 1px solid #ddd; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <script> | |
| var margin = { top: 10, right: 10, bottom: 10, left: 10 }; | |
| var outerWidth = 350; | |
| var outerHeight = 200; | |
| var width = outerWidth - margin.left - margin.right; | |
| var height = outerHeight - margin.bottom - margin.top; | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", outerWidth) | |
| .attr("height", outerHeight) | |
| .append('g') | |
| .attr('transform', `translate(${margin.left}, ${margin.top})`); | |
| var parseDate = d3.timeParse('%d-%b-%y'); | |
| var x = d3.scaleTime() | |
| .range([0, width]); | |
| var y = d3.scaleLinear() | |
| .range([height, 0]); | |
| var line = d3.line() | |
| .curve(d3.curveCatmullRom) | |
| .x(d => x(d.date)) | |
| .y(d => y(d.value)); | |
| var targetLine = d3.line() | |
| .curve(d3.curveCatmullRom) | |
| .x(d => x(d.date)) | |
| .y(d => y(d.target)); | |
| function draw(error, data) { | |
| if (error) return; | |
| data.forEach(d => { | |
| d.value = +d.value; | |
| d.target = +d.target; | |
| d.date = parseDate(d.date); | |
| }); | |
| x.domain(d3.extent(data, d => d.date)); | |
| y.domain([0, d3.max(data, d => d.value)]); | |
| svg.append('g') | |
| .append('path') | |
| .datum(data) | |
| .attr('stroke', 'skyblue') | |
| .attr('opacity', '0.6') | |
| .attr('stroke-width', '1.5') | |
| .attr('stroke-dasharray', '5') | |
| .attr('fill', 'none') | |
| .attr('d', line); | |
| var g = svg.append('g'); | |
| g.append('path') | |
| .datum(data) | |
| .attr('stroke', 'skyblue') | |
| .attr('stroke-width', '1.5') | |
| .attr('fill', 'none') | |
| .attr('d', targetLine); | |
| var last = data.filter(d => d.target).slice(-1).pop(); | |
| console.log(last); | |
| g.append('circle') | |
| .attr('stroke', 'skyblue') | |
| .attr('stroke-width', '1.5') | |
| .attr('fill', 'none') | |
| .attr('cx', x(last.date) + 5 ) | |
| .attr('cy', y(last.target)) | |
| .attr('r', 4); | |
| } | |
| d3.csv('data.csv', draw); | |
| </script> | |
| </body> |
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