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testy
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license: mit |
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<!DOCTYPE html> | |
<head> | |
<meta charset="utf-8"> | |
<script src="https://d3js.org/d3.v4.min.js"></script> | |
<style> | |
body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; } | |
svg { | |
width: 100%; | |
height: 100%; | |
} | |
</style> | |
</head> | |
<body> | |
<svg></svg> | |
<script> | |
var city = 'New York'; | |
var width = 800; | |
var height = 300; | |
var margin = {top: 20, bottom: 20, left: 20, right: 20}; | |
// dataset of city temperatures across time | |
d3.tsv('data.tsv', (err, data) => { | |
// clean the data | |
data.forEach(d => { | |
d.date = d3.timeParse("%Y%m%d")(d.date); | |
d.date = new Date(d.date); // x | |
d[city] = ++d[city]; // y | |
}); | |
// scales | |
var xExtent = d3.extent(data, d => d.date); | |
var xScale = d3.scaleTime() | |
.domain(xExtent) | |
.range([margin.left, width - margin.right]); | |
// var yExtent = d3.extent(data, d => d[city]); | |
var yMax = d3.max(data, d => d[city]); | |
var yScale = d3.scaleLinear() | |
.domain([0, yMax]) | |
.range([height - margin.bottom, margin.top]); | |
var heightScale = d3.scaleLinear() | |
.domain([0, yMax]) | |
.range([0, height - margin.top - margin.bottom]); | |
// create the rectangles | |
var svg = d3.select('svg'); | |
var rect = svg.selectAll('rect') | |
.data(data) | |
.enter().append('rect') | |
.attr('width', 2) | |
.attr('height', function(d) { | |
return heightScale(d[city]); | |
}) | |
.attr('x', function(d) {return xScale(d.date)}) | |
.attr('y', function(d) {return yScale(d[city])}) | |
.attr('fill', 'blue') | |
.attr('stroke', 'white'); | |
var xAxis = d3.axisBottom() | |
.scale(xScale) | |
// .tickFormat(d => d3.timeFormat('%b %Y')(d)); | |
.tickFormat(d3.timeFormat('%b %Y')); | |
var yAxis = d3.axisLeft() | |
.scale(yScale); | |
svg.append('g') | |
.attr('transform', 'translate(' + [0, height - margin.bottom] + ')') | |
.call(xAxis); | |
svg.append('g') | |
.attr('transform', 'translate(' + [margin.left, 0] + ')') | |
.call(yAxis); | |
}); | |
</script> | |
</body> |
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