Comparison of two-wheeled traffic counts in the East Midlands from 2007 to 2011

<!DOCTYPE html>
<html lang="en">
	<head>
		<meta charset="utf-8">
		<title>Two-wheeled vehicle traffic counts in the East Midlands from 2007 - 2011</title>
		<script type="text/javascript" src="https://d3js.org/d3.v3.js"></script>
		<style type="text/css">
			
			body {
				background-color: white;
				font-family: Helvetica, Arial, sans-serif;
			}

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

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

svg {
				background-color: white;
			}

rect:hover {
				fill: white;
			}
			
			.axis path,
			.axis line {
				fill: none;
				stroke: black;
				shape-rendering: crispEdges;
			}
			
			.axis text {
				font-family: sans-serif;
				font-size: 11px;
			}
			
			.axis2 path,
			.axis2 line {
				fill: none;
				stroke: black;
				shape-rendering: crispEdges;
			}
			
			.axis2 text {
				font-family: sans-serif;
				font-size: 11px;
			}
			
			.y.axis path,
			.y.axis line {
				opacity: 0;
			}
			.y.axis2 path,
			.y.axis2 line {
				opacity: 0;
			}

</style>
	</head>
	<body>

<h1>Two-wheeled vehicle traffic counts in the East Midlands from 2007 - 2011</h1>

<p>Comparison of bicycle and motorbike traffic counts in the East Midlands at different times of day in the period from 2007 - 2011. Source: <a href="https://data.gov.uk/dataset/gb-road-traffic-counts/resource/8d49272c-e525-495e-a60c-a93d62aedd6e">gov.uk</a></p>

var w = window.innerWidth;
			var h = window.innerHeight/1.25;
			var padding = [ 20, 10, 30, 120 ];  //Top, right, bottom, left

var widthScale = d3.scale.linear()
								.range([ 0, w/4 - padding[1] - padding[3] ]);
			
			var heightScale = d3.scale.ordinal()
								.rangeRoundBands([ padding[0], h - padding[2] ], 0.4);

var widthScale2 = d3.scale.linear()
								.range([ w/4 - padding[1] - padding[3], 0 ]);
								
			var widthScale3 = d3.scale.linear()
								.range([ w/4 - padding[1] - padding[3], 0 ]);
			
			var heightScale2 = d3.scale.ordinal()
								.rangeRoundBands([ padding[0], h - padding[2] ], 0.4);				
								
			var xAxis = d3.svg.axis()
							.scale(widthScale)
							.orient("bottom");

var yAxis = d3.svg.axis()
							.scale(heightScale)
							.orient("left");
			
			var xAxis2 = d3.svg.axis()
							.scale(widthScale3)
							.orient("bottom");

var yAxis2 = d3.svg.axis()
							.scale(heightScale2)
							.orient("right");

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

d3.csv("traffic counts in the East Midlands 2007 - 2011 by hour on urban roads.csv", function(data) {

widthScale.domain([ 0, d3.max(data, function(d) {
					return +d.bicycleCount;
				}) ]);

heightScale.domain(data.map(function(d) { return d.Row; } ));

var rects = svg.selectAll("rect")
								.data(data)
								.enter()
								.append("rect");

rects.attr("x", padding[3])
					.attr("y", function(d) {
						return heightScale(d.Row);
					})
					.attr("width", function(d) {
						return widthScale(d.bicycleCount);
					})
					.attr("height", heightScale.rangeBand())
					.attr("fill", function(d) {
					return d.bicycleColour
					})
					.attr("stroke", function(d) {
					return d.bicycleColour
					})
					.append("title")
					.text(function(d) {
						return d3.round(d.bicycleCount,1) + " bicycles were recorded on average in the hour after" + " " + d.Hour + ":00 " + "on" + " " + d.RCat + " " + "roads";
					});
				
				svg.append("g")
					.attr("class", "x axis")
					.attr("transform", "translate(" + padding[3] + "," + (h - padding[2]) + ")")
					.call(xAxis);

svg.append("g")
				.data(data)
					.attr("class", "y axis")
					.attr("transform", "translate(" + padding[3] + ",0)")
					.call(yAxis);
					
				svg.append("g")
				.append("text")
				.attr("transform", "translate(" + padding[3] + "," + (h/10 - padding[2]) + ")")
				.text("bicycles");
					
			});
			
			d3.csv("traffic counts in the East Midlands 2007 - 2011 by hour on urban roads.csv", function(data1) {

widthScale2.domain([ d3.max(data1, function(d) {
					return +d.motorbikeCount;
				}), 0 ]);
				widthScale3.domain([ 0, d3.max(data1, function(d) {
					return +d.motorbikeCount;
				}) ]);

heightScale2.domain(data1.map(function(d) { return d.Row; } ));

var rects1 = svg.selectAll("rect1")
								.data(data1)
								.enter()
								.append("rect");

rects1.attr("x", function(d) {
						return (w/2 - widthScale2(d.motorbikeCount));
					})
					.attr("y", function(d) {
						return heightScale2(d.Row);
					})
					.attr("width", function(d) {
						return widthScale2(d.motorbikeCount);
					})
					.attr("height", heightScale2.rangeBand())
					.attr("fill", function(d) {
					return d.motorbikeColour
					})
					.attr("stroke", function(d) {
					return d.motorbikeColour
					})
					.append("title")
					.text(function(d) {
						return d3.round(d.motorbikeCount,1) + " motorbikes were recorded on average in the hour after" + " " + d.Hour + ":00 " + "on" + " " + d.RCat + " " + "roads";
					});

var xtranslation = w/4 + padding[1] + padding[3]
					var ytranslation = w/2
					var ytranslation2 = w/2 - padding[3] + (padding[1] * 4)
					
				svg.append("g")
					.attr("class", "x axis2")
					.attr("transform", "translate(" + xtranslation + "," + (h - padding[2]) + ")")
					.call(xAxis2);

svg.append("g")
				.data(data1)
					.attr("class", "y axis2")
					.attr("transform", "translate(" + ytranslation + ",0)")
					.call(yAxis2);
				
				svg.append("g")
				.append("text")
				.attr("transform", "translate(" + ytranslation2 + "," + (h/10 - padding[2]) + ")")
				.text("motorbikes");
				
			});
		</script>

</body>
</html>

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

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