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April 27, 2017 15:20
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| license: mit |
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| .axis--x path { | |
| display: none; | |
| } | |
| .line { | |
| fill: none; | |
| stroke: steelblue; | |
| stroke-width: 1.5px; | |
| } | |
| </style> | |
| <svg width="960" height="500"></svg> | |
| <script src="//d3js.org/d3.v4.min.js"></script> | |
| <script> | |
| var files = ["data1.tsv", "data2.tsv", "data3.tsv", "data4.tsv", "data5.tsv", "data6.tsv"]; | |
| var svg = d3.select("svg"), | |
| margin = {top: 20, right: 80, 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"); | |
| var x = d3.scaleTime().range([0, width]), | |
| y = d3.scaleLinear().range([height, 0]), | |
| z = d3.scaleOrdinal(d3.schemeCategory10); | |
| var line = d3.line() | |
| .curve(d3.curveBasis) | |
| .x(function(d) { return x(d.date); }) | |
| .y(function(d) { return y(d.temperature); }); | |
| d3.tsv("data1.tsv", type, function(error, data) { | |
| if (error) throw error; | |
| var cities = data.columns.slice(1).map(function(id) { | |
| return { | |
| id: id, | |
| values: data.map(function(d) { | |
| return {date: d.date, temperature: d[id]}; | |
| }) | |
| }; | |
| }); | |
| x.domain(d3.extent(data, function(d) { return d.date; })); | |
| y.domain([ | |
| d3.min(cities, function(c) { return d3.min(c.values, function(d) { return d.temperature; }); }), | |
| d3.max(cities, function(c) { return d3.max(c.values, function(d) { return d.temperature; }); }) | |
| ]); | |
| z.domain(cities.map(function(c) { return c.id; })); | |
| g.append("g") | |
| .attr("class", "axis axis--x") | |
| .attr("transform", "translate(0," + height + ")") | |
| .call(d3.axisBottom(x)); | |
| g.append("g") | |
| .attr("class", "axis axis--y") | |
| .call(d3.axisLeft(y)) | |
| .append("text") | |
| .attr("transform", "rotate(-90)") | |
| .attr("y", 6) | |
| .attr("dy", "0.71em") | |
| .attr("fill", "#000") | |
| .text("Conductivity, us/cm"); | |
| var city = g.selectAll(".city") | |
| .data(cities) | |
| .enter().append("g") | |
| .attr("class", "city"); | |
| city.append("path") | |
| .attr("class", "line") | |
| .attr("d", function(d) { return line(d.values); }) | |
| .style("stroke", function(d) { return z(d.id); }); | |
| city.append("text") | |
| .datum(function(d) { return {id: d.id, value: d.values[d.values.length - 1]}; }) | |
| .attr("transform", function(d) { return "translate(" + x(d.value.date) + "," + y(d.value.temperature) + ")"; }) | |
| .attr("x", 3) | |
| .attr("dy", "0.35em") | |
| .style("font", "10px sans-serif") | |
| .text(function(d) { return d.id; }); | |
| }); | |
| function type(d, _, columns) { | |
| d.date = parseTime(d.date); | |
| for (var i = 1, n = columns.length, c; i < n; ++i) d[c = columns[i]] = +d[c]; | |
| return d; | |
| } | |
| </script> |
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