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mixed multimodal random 2d
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| license: mit |
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| <!DOCTYPE html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <script src="https://d3js.org/d3.v3.min.js"></script> | |
| <script src="https://d3js.org/d3-random.v1.min.js"></script> | |
| <style> | |
| body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; } | |
| circle { | |
| fill: red; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <script> | |
| var randA = d3.randomNormal(75, 15); | |
| var randB = d3.randomNormal(25, 15); | |
| var randC = d3.randomNormal(50, 15); | |
| var a = Array.apply(null, new Array(10000)); | |
| a = a.map(() => { | |
| return { | |
| x: Math.random() > 0.5 ? randA() : randB(), | |
| y: randC(), | |
| }; | |
| }); | |
| var scale = d3.scale.linear() | |
| .domain([0,100]).range([100,500]); | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", 700) | |
| .attr("height", 700) | |
| svg.selectAll('circle') | |
| .data(a) | |
| .enter() | |
| .append('circle') | |
| .attr({ | |
| cx: function(d) { return scale(d.x); }, | |
| cy: function(d) { return scale(d.y); }, | |
| r: 1, | |
| }); | |
| </script> | |
| </body> |
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