<!doctype html>
<html>
<head>
	<title>D3 tutorial</title>
	<!-- <script type="text/javascript" src="http://d3js.org/d3.v3.min.js"></script> -->
	<script type="text/javascript" src="/z-resources/d3.v3.min.js"></script>
</head>
<body>
	<p>Demo</p>

	<script type="text/javascript">
	d3.select("title")
	.text("Demo for Stage 16...");

	var width = 800,
		height= 600;

	var canvas = d3.select("body").append("svg")
					.attr("width", width)
					.attr("height", height)
					.append("g")
					.attr("transform", "