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aaizemberg/index.html

Created May 15, 2015 14:48
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graphical perception (length)
Raw
index.html
<!DOCTYPE HTML>
<html>
<head>
<script src="http://d3js.org/d3.v3.min.js"></script>
</head>
<body>
<canvas id="myCanvas" width="600" height="200" style="border:1px solid #bbb;"></canvas>
<script>
var canvas = document.getElementById("myCanvas");
var ctx = canvas.getContext('2d');
var w = d3.scale.linear().domain([0, 100]).range([0, canvas.width * 0.9]);
var py = d3.scale.linear().domain([0, 1]).range([0, canvas.height]);
ctx.fillStyle = "#aaa";
ctx.fillRect(0,py(1/3)-12,w(50),24);
ctx.fillRect(0,py(2/3)-12,w(100),24);
</script>
</body>
</html>
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