This simple line chart is constructed from a TSV file storing the closing value of AAPL stock over the last few years. The chart employs conventional margins and a number of D3 features:
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Line Chart
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| license: gpl-3.0 |
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| date | close | |
|---|---|---|
| 2018-9-11 14:48 | 1268.35 | |
| 2018-9-11 14:47 | 1506.83 | |
| 2018-9-11 14:46 | 1535.46 | |
| 2018-9-11 14:32 | 1700.93 | |
| 2018-9-11 14:31 | 1278.65 | |
| 2018-9-11 14:30 | 1342.99 | |
| 2018-9-11 14:29 | 1255.77 | |
| 2018-9-11 14:28 | 1423.20 | |
| 2018-9-11 14:27 | 1434.49 | |
| 2018-9-11 14:14 | 1667.04 | |
| 2018-9-11 14:13 | 1329.50 | |
| 2018-9-11 8:24 | 1770.81 | |
| 2018-9-11 8:23 | 941.16 | |
| 2018-9-11 8:22 | 998.89 | |
| 2018-9-11 8:21 | 1228.01 | |
| 2018-9-11 8:20 | 1364.09 | |
| 2018-9-11 8:19 | 986.12 | |
| 2018-9-11 8:18 | 964.25 | |
| 2018-9-11 8:17 | 963.76 | |
| 2018-9-11 8:16 | 1275.42 | |
| 2018-9-11 8:15 | 1439.74 | |
| 2018-9-11 8:14 | 1074.49 |
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| <!DOCTYPE html> | |
| <svg width="960" height="500"></svg> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <script> | |
| var svg = d3.select("svg"), | |
| margin = {top: 20, right: 20, bottom: 30, left: 50}, | |
| width = +svg.attr("width") - margin.left - margin.right, | |
| height = +svg.attr("height") - margin.top - margin.bottom, | |
| g = svg.append("g").attr("transform", "translate(" + margin.left + "," + margin.top + ")"); | |
| var parseTime = d3.timeParse("%Y-%-m-%-d %-H:%-M"); | |
| var x = d3.scaleTime() | |
| .rangeRound([0, width]); | |
| var y = d3.scaleLinear() | |
| .rangeRound([height, 0]); | |
| var line = d3.line() | |
| .x(function(d) { return x(d.date); }) | |
| .y(function(d) { return y(d.close); }); | |
| d3.tsv("data.tsv", function(d) { | |
| d.date = parseTime(d.date); | |
| d.close = parseFloat(d.close); | |
| return d; | |
| }, function(error, data) { | |
| console.log(error, data); | |
| if (error) throw error; | |
| x.domain(d3.extent(data, function(d) { return d.date; })); | |
| y.domain(d3.extent(data, function(d) { return d.close; })); | |
| g.append("g") | |
| .attr("transform", "translate(0," + height + ")") | |
| .call(d3.axisBottom(x)) | |
| //.select(".domain") | |
| //.remove(); | |
| g.append("g") | |
| .call(d3.axisLeft(y)) | |
| .append("text") | |
| .attr("fill", "#000") | |
| .attr("transform", "rotate(-90)") | |
| .attr("y", 6) | |
| .attr("dy", "0.71em") | |
| .attr("text-anchor", "end") | |
| .text("Price ($)"); | |
| g.append("path") | |
| .datum(data) | |
| .attr("fill", "none") | |
| .attr("stroke", "steelblue") | |
| .attr("stroke-linejoin", "round") | |
| .attr("stroke-linecap", "round") | |
| .attr("stroke-width", 1.5) | |
| .attr("d", line); | |
| }); | |
| </script> |
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