Bar Chart 2: Wahlbeteiligung in Kölner Veedeln

<!DOCTYPE html>
<html lang="en">
	<head>
		<meta charset="utf-8">
		<title>Cleaning Up</title>
		<script type="text/javascript" src="https://d3js.org/d3.v3.js"></script>
		<style type="text/css">

body {
				background-color: white;
				font-family: Tahoma, Arial, sans-serif;
			}

h1 {
				font-size: 20px;
				margin: 1;
				color: #4D4D4D;
			}

p {
				font-size: 16px;
				margin: 10px 0 0 0;
				color: #4D4D4D;
			}

svg {
				background-color: white;
			}

rect:hover {
				fill: #F16A6F;
			}

.axis path,
			.axis line {
				fill: none;
				stroke: #4D4D4D;
				shape-rendering: crispEdges;
			}

.axis text {
				font-family: sans-serif;
				font-size: 9px,
				font-weight: bold,
				font-color: #4D4D4D;

}

.y.axis path,
			.y.axis line {
				opacity: 0;
			}

</style>
	</head>
	<body>

<h1>Wahlbeteiligung in den Kölner Veedeln</h1>

<p>Kölner Veedel: Anteil Wahlbeteiligung an der Gesamtzahl der Wahlbeteiligten. Source: <a href="https://www.offenedaten-koeln.de/dataset/wahlbeteiligung-2014">Offene Daten Köln</a>, Kommunalwahl 2014</p>

var w = 600;
			var h = 1600;
			var padding = [ 28, 10, 20, 200 ];  //Top, right, bottom, left

var widthScale = d3.scale.linear()
								.range([ 1, w - padding[1] - padding[3] ]);

var heightScale = d3.scale.ordinal()
								.rangeRoundBands([ padding[0], h - padding[2] ], 0.15);

var xAxis1 = d3.svg.axis()
							.scale(widthScale)
							.orient("top");

var xAxis2 = d3.svg.axis()
							.scale(widthScale)
							.orient("bottom");

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

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

d3.csv("veedel.csv", function(data) {

data.sort(function(a, b) {
					return d3.descending(+a.wahlbeteiligung, +b.wahlbeteiligung);
				});

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

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

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

rects.attr("x", padding[3])
					.attr("y", function(d) {
						return heightScale(d.veedel);
					})
					.attr("width", function(d) {
						return widthScale(d.wahlbeteiligung);
					})
					.attr("height", heightScale.rangeBand())
					.attr("fill", "#8BDBD9")
					.append("title")
					.text(function(d) {
						return d.wahlbeteiligung + "% Wahlbeteiligung in " + d.veedel;
					});

svg.append("g")
					.attr("class", "x axis")
					.attr("transform", "translate(" + padding[3] + "," + (h - padding[2]) + ")")
					.call(xAxis2);

svg.append("g")
						.attr("class", "x axis")
						.attr("transform", "translate(" + padding[3] + "," + padding[0] + ")")
						.call(xAxis1);

svg.append("g")
					.attr("class", "y axis")
					.attr("transform", "translate(" + padding[3] + ",0)")
					.call(yAxis);

});

</script>

</body>
</html>

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