Created
October 20, 2020 21:19
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| var belgdata = d3.csv( | |
| "https://raw.githubusercontent.com/eschnou/covid19-be/master/covid19-belgium.csv" | |
| ).then(function(data){ | |
| //console.log(data) | |
| generate(data) | |
| }) | |
| function generate(dataset){ | |
| //parse the time data | |
| var time_parse = d3.timeParse("%d/%m/%Y") | |
| dataset.forEach(function(e,i){ | |
| dataset[i].date = time_parse(e.date) | |
| dataset[i].daily_cases = +dataset[i].daily_cases | |
| }) | |
| console.log(dataset) | |
| var newData = dataset.forEach(function(d){ | |
| d.daily_cases = +d.daily_cases | |
| }) | |
| //create the svg | |
| var chart_width = 800 | |
| var chart_height = 400 | |
| var margin = 50 | |
| var svg = d3.select('#chart') | |
| .append('svg') | |
| .attr('width', chart_width) | |
| .attr('height', chart_height) | |
| //create the scales | |
| var x_scale = d3.scaleTime() | |
| .domain([d3.min(dataset, function(d){ | |
| return d.date | |
| }), d3.max(dataset, function(d){ | |
| return d.date | |
| })]) | |
| .rangeRound([margin, chart_width - margin]) | |
| var y_scale = d3.scaleLinear() | |
| .domain([d3.min(dataset, function(d){ | |
| return d.daily_cases | |
| }), d3.max(dataset, function(d){ | |
| return d.daily_cases | |
| })]) | |
| .rangeRound([chart_height - margin, margin]) | |
| //create the axes | |
| var x_axis = d3.axisBottom(x_scale) | |
| svg.append('g') | |
| .attr('class', 'x-axis') | |
| .attr('transform', 'translate(0,' + (chart_height - margin) + ')') | |
| .call(x_axis) | |
| var y_axis = d3.axisLeft(y_scale) | |
| svg.append('g') | |
| .attr('class', 'y-axis') | |
| .attr('transform', 'translate(' + margin + ',0)') | |
| .call(y_axis) | |
| //clippath | |
| svg.append('clipPath') | |
| .attr('id', 'theChartClipPathIsARectangle') | |
| .append('rect') | |
| .attr('x', margin) | |
| .attr('x', margin) | |
| .attr('height', chart_height - margin) | |
| .attr('width', chart_width - margin) | |
| .attr('fill', 'yellow') | |
| //create the bars | |
| svg.append('g') | |
| .attr('id', 'circleId') | |
| .attr('clip-path', 'url(#theChartClipPathIsARectangle)') | |
| .selectAll('circle') | |
| .data(dataset) | |
| .enter() | |
| .append('circle') | |
| .attr('cx', function(d){ | |
| return x_scale(d.date) | |
| }) | |
| .attr('cy', function(d){ | |
| return y_scale(d.daily_cases) | |
| }) | |
| .attr('r', 3) | |
| .attr('fill', 'teal') | |
| } |
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>D3 Bar Chart</title> | |
| <link rel="stylesheet" type="text/css" href="style.css"> | |
| </head> | |
| <body> | |
| <h1 class="title">Daily cases of Covid-19 in Belgium between March and May 2020</h1> | |
| <div id="chart"></div> | |
| <!--hr> | |
| <button type="button">Update</button--> | |
| <script src="https://d3js.org/d3.v5.js"></script> | |
| <script src="app2.js"></script> | |
| </body> | |
| </html> |
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| #chart{ | |
| width: 800px; | |
| height: 400px; | |
| background-color: #f7f7f7; | |
| margin: 25px auto; | |
| } | |
| .bar{ | |
| display: inline-block; | |
| width: 25px; | |
| height: 300px; | |
| background-color: #7ED26D; | |
| margin-right: 5px; | |
| } | |
| .title{ | |
| display: block; | |
| margin: 0 auto; | |
| text-align: center; | |
| } |
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