Totally random
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<!DOCTYPE html> | |
<html> | |
<head> | |
<title>Something crazy</title> | |
<meta name="viewport" content="initial-scale=1.0, user-scalable=no" /> | |
<meta http-equiv="content-type" content="text/html; charset=UTF-8"/> | |
<link rel="shortcut icon" href="http://cartodb.com/assets/favicon.ico" /> | |
<style> | |
html, body, #map { | |
height: 100%; | |
padding: 0; | |
margin: 0; | |
background: #fff; | |
} | |
</style> | |
<link rel="stylesheet" href="http://libs.cartocdn.com/cartodb.js/v3/themes/css/cartodb.css" /> | |
</head> | |
<body> | |
<div id="map"></div> | |
<!-- include cartodb.js library --> | |
<script src="http://libs.cartocdn.com/cartodb.js/v3/cartodb.js"></script> | |
<script> | |
function toColor(num) { | |
num >>>= 0; | |
var b = num & 0xFF, | |
g = (num & 0xFF00) >>> 8, | |
r = (num & 0xFF0000) >>> 16; | |
return "rgb(" + [r, g, b].join(",") + ")"; | |
} | |
function main() { | |
// initiate our leaflet map | |
map = L.map('map', { | |
zoomControl: true, | |
center: [39, -98], | |
zoom: 5 | |
}) | |
cartodb.createLayer(map, 'http://team.cartodb.com/api/v2/viz/75435924-3d33-11e4-818b-0e73339ffa50/viz.json') | |
.addTo(map) | |
.on('done', function(layer) { | |
var time = (new Date).getTime(); | |
var color = toColor(time); | |
var value = Math.floor(Math.random()*10000) | |
layer.getSubLayer(0).setCartoCSS("#gilt_postal_codes{ polygon-fill: #ea4c88; [pop_total > "+value+"] { polygon-fill: "+color+";} polygon-opacity: 0.7; }"); | |
}); | |
} | |
window.onload = main; | |
</script> | |
</body> | |
</html> |
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