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rcrocker13

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Intermediate D3: Week 1 Scott's example

<!DOCTYPE html>
<html lang="en">
	<head>
		<meta charset="utf-8">
		<title>Bar Chart, Framed</title>
		<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.6/d3.min.js" charset="utf-8"></script>
		<style type="text/css">
			
			body {
				margin: 0;
				background-color: lightGray;
				font-family: Helvetica, Arial, sans-serif;
			}
			#container {
				width: 700px;
				margin-left: auto;
				margin-right: auto;
				margin-top: 50px;
				padding: 50px;
				background-color: white;
				box-shadow: 3px 3px 5px 6px #ccc;
			}
			h1 {
				font-size: 24px;
				margin: 0;
			}
			p {
				font-size: 14px;
				margin: 15px 0 10px 0;
			}
			a:link {
				text-decoration: none;
				color: gray;
			}
			a:hover {
				text-decoration: underline;
			}
			a:visited {
				color: gray;
			}
			a:active {
				color: steelBlue;
			}
			svg {
				background-color: white;
			}
			g.bar text {
				font-size: 11px;
				font-weight: bold;
				text-anchor: end;
				opacity: 0;
			}
			g.bar:hover rect {
				fill: orange;
			}
			g.bar:hover text {
				opacity: 1;
			}
			
			.axis path,
			.axis line {
				fill: none;
				stroke: black;
				shape-rendering: crispEdges;
			}
			
			.axis text {
				font-family: sans-serif;
				font-size: 11px;
			}
			.y.axis path,
			.y.axis line {
				opacity: 0;
			}
		</style>
	</head>
	<body>

<div id="container">

<h1>Not All Countries are Equally Satisfied</h1>

<p>The OECD&rsquo;s Better Life Index assigns each country a &ldquo;Life Satisfaction&rdquo; score. <strong>Source:</strong> <a href="https://stats.oecd.org/Index.aspx?DataSetCode=BLI">OECD, 2014</a></p>

</div>

<script type="text/javascript">		
			var w = 700;
			var h = 600;
			var padding = [ 20, 10, 30, 120 ];  //Top, right, bottom, left
			var widthScale = d3.scale.linear()
								.range([ 0, w - padding[1] - padding[3] ]);
			
			var heightScale = d3.scale.ordinal()
								.rangeRoundBands([ padding[0], h - padding[2] ], 0.1);
			var xAxis = d3.svg.axis()
							.scale(widthScale)
							.orient("bottom");
			var yAxis = d3.svg.axis()
							.scale(heightScale)
							.orient("left");
			//Now SVG goes into #container instead of body
			var svg = d3.select("#container")
						.append("svg")
						.attr("width", w)
						.attr("height", h);
			d3.csv("data.csv", function(data) {
				data.sort(function(a, b) {
					return d3.descending(+a.lifeSatisfaction, +b.lifeSatisfaction);
				});
				widthScale.domain([ 0, d3.max(data, function(d) {
					return +d.lifeSatisfaction;
				}) ]);
				heightScale.domain(data.map(function(d) { return d.country; } ));
				//Bind data to groups (not bars directly)
				var groups = svg.selectAll("g")
								.data(data)
								.enter()
								.append("g")
								.attr("class", "bar");
				//Add a rect to each group
				var rects = groups.append("rect")
					.attr("x", padding[3])
					.attr("y", function(d) {
						return heightScale(d.country);
					})
					.attr("width", 0)
					.attr("height", heightScale.rangeBand())
					.attr("fill", "steelblue");
				//Add a text element to each group
				groups.append("text")
					.attr("x", function(d) {
						return padding[3] + widthScale(d.lifeSatisfaction) - 3;
					})
					.attr("y", function(d) {
						return heightScale(d.country) + 11;
					})
					.text(function(d) {
						return d.lifeSatisfaction;
					});
				rects.transition()
					.delay(function(d, i) {
						return i * 50;
					})
					.duration(1000)
					.attr("width", function(d) {
						return widthScale(d.lifeSatisfaction);
					});
				svg.append("g")
					.attr("class", "x axis")
					.attr("transform", "translate(" + padding[3] + "," + (h - padding[2]) + ")")
					.call(xAxis);
				svg.append("g")
					.attr("class", "y axis")
					.attr("transform", "translate(" + padding[3] + ",0)")
					.call(yAxis);
			});
		</script>

</body>
</html>
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Modified http://cdnjs.cloudflare.com/ajax/libs/d3/3.5.6/d3.min.js to a secure url

https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.6/d3.min.js