Module 4: Ages of Top 10 Finishers

<!DOCTYPE html>
<html lang="en">
	<head>
		<meta charset="utf-8">
		<title>Historic Dipsea Results with D3</title>
		<script type="text/javascript" src="https://d3js.org/d3.v3.js"></script>
		<style type="text/css">
			
			body {
				background-color: white;
			}

h1 {
				font-family: sans-serif;
				font-size: 24px;
				margin: 0;
			}

p {
				font-family: sans-serif;
				font-size: 14px;
				margin: 10px 0 0 0;
			}

svg {
				background-color: white;
			}

.datalabels text {
				font-family: sans-serif;
				font-size: 10px;
			}

rect:hover {
				fill: orange;
			}
			
			.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>

<h1>The Dipsea Race</h1>
		<p>Ages of the Top 20 Dipsea finishers in 2014.  Source: <a href="https://www.dipsea.org">dipsea.org</a></p>

//Set scales
			var xScale = d3.scale.linear().range([ 0, w - padding[1] - padding[3]]);
			var yScale = d3.scale.ordinal()
								.rangeRoundBands([ padding[0], h - padding[2] ], 0.2);

//Load in contents of CSV file
			d3.csv("dipsea_filtered.csv", function(data) {
				//Filter data set
				dataset2 = data.filter(function(d) { return d.Year == 2014}).filter(function(d) { return d.Place <= 20 });
				
				//Set x and y domain
				xScale.domain([ 0, d3.max(dataset2, function(d) {
					return +d.Age;
				})]);

//yScale.domain(d3.range(dataset2.length));
				yScale.domain(dataset2.map(function(d) { return d.Place; }));

var xAxis = d3.svg.axis()
							.scale(xScale)
							.orient("bottom");

var yAxis = d3.svg.axis()
							.scale(yScale)
							.orient("left");

//Create SVG canvas
				var svg = d3.select("body")
					.append("svg")
					.attr("width", w)
					.attr("height", h);

//Log 'data' to the console, for verification.
				//console.log(data);

//Bind filtered data into rect placeholders
				var rects = svg.selectAll("rect")
					.data(dataset2)
					.enter()
					.append("rect");

//Set attributes of rects
				rects.attr("x", padding[3])
					.attr("y", function(d) {
						return yScale(d.Place);
					})
					.attr("width", function(d) {
						return xScale(d.Age);
					})
					.attr("height", yScale.rangeBand())
					.attr("fill", "grey")
					.append("title")
					.text(function(d) {
						return "Place: " + d.Place + " Age: " + d.Age + " Head Start : " + d.HeadStart + " minutes";
					});

svg.selectAll("text")
   					.data(dataset2)
					.enter()
					.append("text")
					.text(function(d) {
						return d.Age;
					})
					.attr("class","datalabels")
					.attr("text-anchor", "end")
					.attr("dominant-baseline","middle")
					.attr("font-size","10px")
					.attr("fill","white")
					.attr("x", function(d) {
						return padding[3] + xScale(d.Age) - 2;
					})
					.attr("y", function(d) {
						return yScale(d.Place) + yScale.rangeBand()/2 ;
					});

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] - 5) + ",0)")
					.call(yAxis);

});

</script>

</body>
</html>

Modified http://d3js.org/d3.v3.js to a secure url

https://d3js.org/d3.v3.js