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d3: scales-axis
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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; } </style> </head> <body> <svg style="overflow: visible;"></svg> <script> var city = 'New York'; var width = 800; var height = 300; var margin = {top: 20, right: 20, bottom: 20, left: 20}; // data set of city temparatures d3.tsv('data.tsv', function(err, data){ data.forEach(d => { d.date = d3.timeParse('%Y%m%d')(d.date); d.date = new Date(d.date); d[city] = ++d[city] }) //scales var xExtent = d3.extent(data, d => d.date); var xScale = d3.scaleTime() .domain(xExtent) .range([margin.left, width - margin.right]); 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]) var svg = d3.select('svg'); var rect = svg.selectAll('rect') .data(data) .enter().append('rect') .attr('x', d => xScale(d.date)) .attr('y', d => yScale(d[city])) .attr('width', 2) .attr('height', d => heightScale(d[city])) .attr('fill', 'blue') .attr('stroke', '#fff') console.log(rect); var xAxis = d3.axisBottom() .scale(xScale); var yAxis = d3.axisLeft() .scale(yScale); svg.append('g') .call(xAxis) .attr('transform', 'translate('+[0, height-margin.bottom]+')'); svg.append('g') .call(yAxis) .attr('transform', 'translate('+[margin.left, 0]+')') }) </script> </body>
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