Sixty circles with a random radius
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March 11, 2018 19:46
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Sixty circles with a random radius
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| license: gpl-3.0 | |
| height: 500 |
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> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <style type="text/css"> | |
| svg { | |
| background-color: #bdbdbd; | |
| width: 100%; | |
| height: 500px; | |
| } | |
| circle { | |
| fill: none; | |
| stroke: white; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <svg></svg> | |
| </body> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <script type="text/javascript"> | |
| function getRandomR() { | |
| // Return a random radius | |
| var radius = Math.floor((Math.random() * 40)); | |
| return radius | |
| } | |
| // Create the data | |
| var items = 60; | |
| var x0 = 250; | |
| var y0 = 250; | |
| var r = 200 | |
| var centers = [] | |
| for(var i = 0; i < items; i++) { | |
| var x = x0 + r * Math.cos(2 * Math.PI * i / items); | |
| var y = y0 + r * Math.sin(2 * Math.PI * i / items); | |
| centers.push([x, y]) | |
| } | |
| var svg = d3.select("svg") | |
| svg.selectAll("circle") | |
| .data(centers) | |
| .enter() | |
| .append("circle") | |
| .attr("cx", function(d) {return d[0]}) | |
| .attr("cy", function(d) {return d[1]}) | |
| .attr("r", function() { return getRandomR()}) | |
| </script> | |
| </html> |
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