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June 27, 2018 23:07
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perkolator-bar-chart
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| license: mit |
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="utf-8"> | |
| <style> | |
| html, body { height: 100%; } | |
| body { | |
| font-family: Consolas, monaco, monospace; | |
| background: #dddddd; | |
| width: 900px; | |
| margin: 0 auto; | |
| } | |
| section { | |
| padding-top: 30vh; | |
| } | |
| h3 { | |
| margin: 0; | |
| color: #fe9f97; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <section class="stats"> | |
| <h3>Ratio1 : Ratio2</h3> | |
| <svg width="900" height="100"> | |
| <g id="vis"></g> | |
| </svg> | |
| </section> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <!-- d3 code --> | |
| <script src="script.js" charset="utf-8"></script> | |
| <!-- render code --> | |
| <script> | |
| // render an update | |
| render([57, 43]) | |
| </script> | |
| </body> | |
| </html> |
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| const render = (function () { | |
| const svg = d3.select('svg') | |
| const vis = svg.select('#vis') | |
| const width = +svg.attr('width') | |
| const height = +svg.attr('height') | |
| const xScale = d3.scaleLinear() | |
| .domain([0, 100]) | |
| .range([0, 500]) | |
| // append wrap | |
| const wrap = vis.append('g') | |
| .attr('class', 'ratio-wrap') | |
| // append first rect | |
| const firstRect = wrap.append('rect') | |
| .attr('height', 88) | |
| .attr('x', 0) | |
| .attr('y', height / 2 - 50) | |
| .style('fill', '#fbae17') | |
| // append second rect | |
| const scndRect = wrap.append('rect') | |
| .attr('height', 88) | |
| .attr('x', 0) | |
| .attr('y', height / 2 - 50) | |
| .style('fill', '#0095a3') | |
| // append values | |
| const label = vis.append('text') | |
| .attr('class', 'ratio-label') | |
| .attr('y', height / 2 + 5) | |
| .style('text-anchor', 'middle') | |
| // .style('dominant-baseline', 'central') | |
| .style('font-size', '36px') | |
| .style('fill', '#dddddd') | |
| function update (data) { | |
| // update the first rect | |
| firstRect.attr('width', xScale(data[0])) | |
| // update the second rect | |
| scndRect.attr('width', xScale(data[1])) | |
| // start the first rect after the first ends | |
| .attr('x', xScale(data[0])) | |
| // append the label | |
| label | |
| .attr('x', function () { | |
| // ensure there is enough space to display numbers | |
| console.log('xScale(data[0])', xScale(data[0])) | |
| if (xScale(data[0]) < 90 || xScale(data[0]) > (width - 90)) { | |
| return width / 2 | |
| } else { | |
| return xScale(data[0]) | |
| } | |
| }) | |
| .text(data[0] + ' : ' + data[1]) | |
| } | |
| // expose the update | |
| return update | |
| })() |
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