Air and GHG emissions - Module 4

<!DOCTYPE html>
<html lang="en">
	<head>
		<meta charset="utf-8">
		<title>Module 4</title>
		<script type="text/javascript" src="https://d3js.org/d3.v3.js"></script>
		<style type="text/css">
			
			body {
				background-color: beige;
			}

svg {
				background-color: white;
			}

}

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

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

.axis path,
			.axis line {
				fill: none;
				stroke: black;
				shape-rendering: crispEdges;
			}
			
			.axis text {
				font-family: sans-serif;
				font-size: 9px;
			}

.y.axis path,
			.y.axis line {
				opacity: 0;
			} /* taking of the y axix */

rect:hover {
				fill: orange;
			} /* fill with some color when the mouse is passing through */

</style>
	
	</head>
	
	<body>

<h1> Air and GHG emissions </h1>

<p> This bar chart represents the Air and GHG emissions for each country in tonnes/capita at the year of 2012. Source: <a href="https://data.oecd.org/air/air-and-ghg-emissions.htm">OEDC</a>.</p>

var w = 700;
			var h = 1000;

//padding (margins): setting a room for the axis

var padding = [20,10,20,200]; // Top, right, bottom, left

//setting the domain

var wscale = d3.scale.linear().range([ 0, w - padding[1] - padding[3] ]);

var hscale = d3.scale.ordinal().rangeRoundBands([ padding[0], h - padding[2] ], 0.1);

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

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

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

d3.csv("Air and GHG emissions.csv", function(data) {

data.sort(function(a, b) {
					return d3.descending(+a.year2012, +b.year2012);

});

//setting the domains

wscale.domain([ 0, d3.max( data, function(d){
				    return +d.year2012;
			    }) ]);

//setting the domains + add the function map in order to creat and array with all country names
			    // the contry name will be retuned in the y axis

hscale.domain(data.map(function(d) { return d.Country;} ));

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

rects.attr("x", padding[3])
					.attr("y", function(d, i) { //set where each bar is going to beggining
						return hscale(d.Country);
					})
					.attr("width", function(d) {
						return wscale(d.year2012);
					})
					.attr("height", hscale.rangeBand()) //set the thickness of the bar
					.attr("fill", "firebrick")
					.append("title")
					.text(function(d) {
						return d.Country + "'s air and GHG emissions in 2012: " + d.year2012;
					})

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