Force layout (x axis).
From D3 in Depth book by Peter Cook.
Last active
April 19, 2021 20:54
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Force layout (x axis)
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| license: gpl-3.0 | |
| height: 220 | |
| border: no |
This file contains hidden or 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.
Learn more about bidirectional Unicode characters
| <!-- <!DOCTYPE html> --> | |
| <meta charset="utf-8"> | |
| <head> | |
| <title>Force layout (x axis)</title> | |
| </head> | |
| <style> | |
| circle { | |
| fill: orange; | |
| } | |
| </style> | |
| <body> | |
| <div id="content"> | |
| <svg width="700" height="200"> | |
| <g transform="translate(50, 100)"></g> | |
| </svg> | |
| </div> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/4.2.2/d3.min.js"></script> | |
| <script> | |
| var width = 600, height = 400; | |
| var colorScale = ['orange', 'lightblue', '#B19CD9']; | |
| var xScale = d3.scaleLinear().domain([0, 1]).range([0, 600]); | |
| var numNodes = 40; | |
| var nodes = d3.range(numNodes).map(function(d, i) { | |
| return { | |
| radius: Math.random() * 25, | |
| value: Math.random() | |
| } | |
| }); | |
| var simulation = d3.forceSimulation(nodes) | |
| .force('charge', d3.forceManyBody().strength(5)) | |
| .force('x', d3.forceX().x(function(d) { | |
| return xScale(d.value); | |
| })) | |
| .force('y', d3.forceY().y(function(d) { | |
| return 0; | |
| })) | |
| .force('collision', d3.forceCollide().radius(function(d) { | |
| return d.radius; | |
| })) | |
| .on('tick', ticked); | |
| function ticked() { | |
| var u = d3.select('svg g') | |
| .selectAll('circle') | |
| .data(nodes); | |
| u.enter() | |
| .append('circle') | |
| .attr('r', function(d) { | |
| return d.radius; | |
| }) | |
| .style('fill', function(d) { | |
| return d.color; | |
| }) | |
| .merge(u) | |
| .attr('cx', function(d) { | |
| return d.x; | |
| }) | |
| .attr('cy', function(d) { | |
| return d.y; | |
| }) | |
| u.exit().remove(); | |
| } | |
| </script> | |
| </body> | |
| </html> |
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