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June 6, 2017 04:06
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force-simulation
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license: mit |
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.
Learn more about bidirectional Unicode characters
<!DOCTYPE html> | |
<html lang="en"> | |
<head> | |
<meta charset="UTF-8"> | |
<meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
<meta http-equiv="X-UA-Compatible" content="ie=edge"> | |
<script src="https://d3js.org/d3.v4.min.js"></script> | |
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3-tip/0.7.1/d3-tip.js"></script> | |
<link rel="stylesheet" href="//rawgithub.com/Caged/d3-tip/master/examples/example-styles.css"> | |
<title>National Contiguity</title> | |
<style> | |
body { | |
margin: 0; | |
position: fixed; | |
top: 0; | |
right: 0; | |
bottom: 0; | |
left: 0; | |
} | |
svg { | |
width: 100%; | |
height: 100%; | |
} | |
.d3-tip { | |
max-width: 300px; | |
} | |
.links line { | |
stroke: #000; | |
stroke-opacity: 0.6; | |
} | |
.nodes circle { | |
stroke: #fff; | |
stroke-width: 1.5px; | |
} | |
</style> | |
</head> | |
<body> | |
<svg width="1200px" height="600px"></svg> | |
<script> | |
fetch('https://raw.githubusercontent.com/DealPete/forceDirected/master/countries.json') | |
.then(response => response.json()) | |
.then(data => { | |
const height = 600; | |
const width = 1200; | |
const svg = d3.select('svg'); | |
const nationSimulation = d3.forceSimulation(data.nodes) | |
.force('link', d3.forceLink(data.links).id(d => d.index)) | |
.force('charge', d3.forceManyBody()) | |
.force('center', d3.forceCenter(width/2, height/2)); | |
const link = svg.append('g') | |
.selectAll('line') | |
.data(data.links) | |
.enter().append('line') | |
.attr('class', 'links') | |
.attr('stroke-width', 2) | |
.attr('stroke', 'black'); | |
const node = svg.append('g') | |
.selectAll('circle') | |
.data(data.nodes) | |
.enter().append('circle') | |
.attr('class', 'nodes') | |
.attr('r', 5) | |
.attr('fill', 'blue'); | |
function tickActions() { | |
node | |
.attr('cx', d => d.x) | |
.attr('cy', d => d.y); | |
link | |
.attr('x1', d => d.source.x) | |
.attr('y1', d => d.source.y) | |
.attr('x2', d => d.target.x) | |
.attr('y2', d => d.target.y); | |
} | |
nationSimulation.on('tick', tickActions); | |
console.log(data); | |
}); | |
</script> | |
</body> | |
</html> |
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