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<!DOCTYPE html> |
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<head> |
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<meta charset="utf-8"> |
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<script src="https://d3js.org/d3.v4.min.js"></script> |
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<style> |
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body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; } |
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svg { |
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width: 100%; |
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height: 100%; |
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} |
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</style> |
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</head> |
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<body> |
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<svg></svg> |
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<script> |
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var city = 'New York'; |
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var width = 800; |
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var height = 300; |
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var margin = {top: 20, bottom: 20, left: 20, right: 20}; |
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// dataset of city temperatures across time |
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d3.tsv('data.tsv', (err, data) => { |
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// clean the data |
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data.forEach(d => { |
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d.date = d3.timeParse("%Y%m%d")(d.date); |
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d.date = new Date(d.date); // x |
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d[city] = ++d[city]; // y |
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}); |
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// scales |
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var xExtent = d3.extent(data, d => d.date); |
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var xScale = d3.scaleTime() |
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.domain(xExtent) |
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.range([margin.left, width - margin.right]); |
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// var yExtent = d3.extent(data, d => d[city]); |
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var yMax = d3.max(data, d => d[city]); |
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var yScale = d3.scaleLinear() |
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.domain([0, yMax]) |
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.range([height - margin.bottom, margin.top]); |
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var line = d3.line() |
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.x(d => xScale(d.date)) |
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.y(d => yScale(d[city])); |
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var svg = d3.select('svg'); |
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svg.append('path') |
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.attr('d', line(data)) |
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.attr('fill', 'none') |
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.attr('stroke', (d) => { |
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console.log(d); |
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return 'blue' |
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}); |
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var xAxis = d3.axisBottom() |
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.scale(xScale) |
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// .tickFormat(d => d3.timeFormat('%b %Y')(d)); |
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.tickFormat(d3.timeFormat('%b %Y')); |
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var yAxis = d3.axisLeft() |
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.scale(yScale); |
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svg.append('g') |
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.attr('transform', 'translate(' + [0, height - margin.bottom] + ')') |
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.call(xAxis); |
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svg.append('g') |
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.attr('transform', 'translate(' + [margin.left, 0] + ')') |
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.call(yAxis); |
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}); |
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</script> |
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</body> |