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Canvas concentric circles
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| license: mit |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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| <!DOCTYPE html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <style> | |
| body { background-color: #F5EFEB; margin:0;position:fixed;top:0;right:0;bottom:0;left:0; } | |
| </style> | |
| </head> | |
| <body> | |
| <script> | |
| // Feel free to change or delete any of the code you see in this editor! | |
| var canvas = d3.select("body").append("canvas") | |
| .attr("width", 960) | |
| .attr("height", 500); | |
| var context = canvas.node().getContext('2d'); | |
| var total = 100; | |
| var turnout = 68; | |
| var x = d3.scaleLinear().range([0,100]).domain([0,100]); | |
| context.fillStyle = '#ddd' | |
| context.beginPath(); | |
| context.arc(100, 100, x(total), 0, 2 * Math.PI, true); | |
| context.fill(); | |
| context.closePath(); | |
| context.fillStyle = '#383838'; | |
| context.beginPath(); | |
| context.arc(100, 100, x(turnout), 0, 2 * Math.PI, true); | |
| context.fill(); | |
| context.closePath(); | |
| context.strokeStyle = '#383838'; | |
| context.lineWidth = 5; | |
| context.beginPath(); | |
| context.moveTo(100, 100); | |
| context.lineTo(250, 100); | |
| context.stroke(); | |
| context.font = '40pt Times'; | |
| context.fillText('68,4%', 250, 100); | |
| </script> | |
| </script> | |
| </body> |
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