Minimal force layout example.
From D3 in Depth book by Peter Cook.
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Minimal force layout example (with text)
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| license: gpl-3.0 | |
| height: 320 | |
| border: no |
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <head> | |
| <title>Force layout</title> | |
| </head> | |
| <style> | |
| circle { | |
| fill: cadetblue; | |
| } | |
| </style> | |
| <body> | |
| <div id="content"> | |
| <svg width="300" height="300"> | |
| </svg> | |
| </div> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/5.7.0/d3.min.js"></script> | |
| <script> | |
| var width = 300, height = 300 | |
| var nodes = [{text: 'Mike'}, {text:'John'}, {text:'Paul'}, {text:'Ringo'}, {text:'George'}] | |
| var simulation = d3.forceSimulation(nodes) | |
| .force('charge', d3.forceManyBody().strength(-10)) | |
| .force('center', d3.forceCenter(width / 2, height / 3)) | |
| .on('tick', ticked); | |
| function ticked() { | |
| var u = d3.select('svg') | |
| .selectAll('text') | |
| .data(nodes) | |
| u.enter() | |
| .append('text') | |
| // .attr('r', 5) | |
| .merge(u) | |
| .attr('x', function(d) { | |
| return d.x | |
| }) | |
| .attr('y', function(d) { | |
| return d.y | |
| }) | |
| .text(function(d) {return d.text}) | |
| u.exit().remove() | |
| } | |
| </script> | |
| </body> | |
| </html> |
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