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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; } | |
| svg { | |
| border: 1px solid red; | |
| } | |
| circle { | |
| fill: none; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <script> | |
| var width = 400, | |
| height = 400, | |
| padding = 1, // separation between same-color nodes | |
| radius = 6; | |
| var n = 100, // total number of nodes | |
| m = 5; // number of distinct clusters | |
| var nodes = [ { size: 10 }, { size: 20}, { size: 30 } ] | |
| var force = d3.forceSimulation() | |
| .nodes(nodes) | |
| .force('charge', d3.forceManyBody().strength(-10)) | |
| .force('collide', d3.forceCollide().radius(d => d.size + 10).strength(5)) | |
| .force('x', d3.forceX(width / 2).strength(0.1)) | |
| .force('y', d3.forceY(height / 2).strength(0.1)) | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", width) | |
| .attr("height", height) | |
| var node = svg.selectAll('.node') | |
| .data(nodes) | |
| var node_enter = node.enter().append('g') | |
| .attr('class', 'node') | |
| node_enter.append('circle') | |
| .attr('r', function(d){ return d.size }) | |
| .attr('stroke', 'blue') | |
| force.on('tick', function(){ | |
| svg.selectAll('.node') | |
| .attr('transform', function(d){ | |
| return 'translate(' + d.x + ',' + d.y + ')' }) | |
| }) | |
| </script> | |
| </body> |
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