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etale/p-adic.html

Created December 7, 2009 02:43
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a visualization of p-adic numbers
Raw
p-adic.html
<html>
<head>
<title>p-adic</title>
<script type="text/javascript">
window.onload = function(){
var ctx = document.getElementById('z_p').getContext('2d')
var scale = 256
ctx.translate(512, 512)
ctx.scale(scale, scale)
ctx.lineWidth = 1/scale
var p = 17
var i
var tau = 2 * Math.PI
var radius = 1/p
ctx.beginPath()
ctx.arc(0, 0, radius, 0, tau, true)
ctx.moveTo(1, 0)
ctx.arc(0, 0, 1, 0, tau, true)
ctx.stroke()
for (i = 0; i < p - 1; i++){
ctx.beginPath()
ctx.arc(Math.cos(tau/(p-1)*i), Math.sin(tau/(p-1)*i), radius, 0, tau, true)
ctx.stroke()
}
}
</script>
</head>
<body>
<canvas id="z_p" width="1024" height="1024"></canvas>
</body>
</html>
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