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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; } | |
| .chart { | |
| background: lightgray; | |
| border: 1px solid black; | |
| width: 400px; | |
| height: 600px; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div class="chart"></div> | |
| <script> | |
| var data = [ | |
| { score: 63, subject: 'Mathmatics'}, | |
| { score: 82, subject: 'Geography'}, | |
| { score: 74, subject: 'Spelling'}, | |
| { score: 97, subject: 'Reading'}, | |
| { score: 52, subject: 'Science'}, | |
| { score: 52, subject: 'Horror'}, | |
| { score: 52, subject: 'Flimsy'} | |
| ]; | |
| var margin = { top: 10, right: 25, bottom: 70, left: 30 }; | |
| var width = 400 - margin.left - margin.right; | |
| var height = 600 - margin.top - margin.bottom; | |
| var svg = d3.select('.chart') | |
| .append('svg') | |
| .attr('width', width + margin.left + margin.right) | |
| .attr('height', height + margin.top + margin.bottom) | |
| .call(responsivefy) | |
| .append('g') | |
| .attr('transform', `translate(${margin.left}, ${margin.top})`); | |
| // Y Axis | |
| var yScale = d3.scaleLinear() | |
| .domain([0, 100]) | |
| .range([height, 0]); | |
| var yAxis = d3.axisLeft(yScale); | |
| svg.call(yAxis); | |
| // X Axis | |
| var xScale = d3.scaleBand() | |
| .padding(0.2) | |
| .domain(data.map(d => d.subject)) | |
| .range([0, width]); | |
| var xAxis = d3.axisBottom(xScale) | |
| .ticks(5) | |
| svg.append('g') | |
| .attr('transform', `translate(0, ${height})`) | |
| .call(xAxis) | |
| // Rotate Text | |
| .selectAll('text') | |
| .style('text-anchor', 'end') | |
| .attr('transform', 'rotate(-45)'); | |
| svg.selectAll('rect') | |
| .data(data) | |
| .enter() | |
| .append('rect') | |
| .attr('x', d => xScale(d.subject)) | |
| .attr('y', d => yScale(d.score)) | |
| .attr('width', d => xScale.bandwidth()) | |
| .attr('height', d => height - yScale(d.score)) | |
| .style('fill', 'steelblue'); | |
| function responsivefy(svg) { | |
| var container = d3.select(svg.node().parentNode); | |
| var width = parseInt(svg.style('width')); | |
| var height = parseInt(svg.style('height')); | |
| var aspect = width / height; | |
| svg.attr('viewBox', '0 0 ' + width + ' ' + height) | |
| .attr('preserveAspectRatio', 'xMinYMid') | |
| .call(resize); | |
| d3.select(window).on('resize.' + container.attr('id'), resize); | |
| function resize() { | |
| var targetWidth = parseInt(container.style('width')); | |
| svg.attr('width', targetWidth); | |
| svg.attr('height', Math.round(targetWidth / aspect)); | |
| } | |
| } | |
| </script> | |
| </body> |
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