China and Brazil Air and GHG Emissions

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<html lang="en">
	<head>
		<meta charset="utf-8">
		<title>Module 6</title>
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		<style type="text/css">
			
			body {
				background-color: beige;
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svg {
				background-color: white;
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h1 {
				font-size: 24px;
				font-family: sans-serif;
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p {
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circle:hover {
				fill: blue;
			} /* fill with some color when the mouse is passing through */

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<h1>China and Brazil Air and GHG Emissions- Module 6</h1>

<p>The following graphic represents the Air and GHG Emissions for China and Brazil in tonnes per capita between the years 2000 and 2012. Source: <a href="https://data.oecd.org/air/air-and-ghg-emissions.htm">OEDC</a>.</p>

var w = 700;
			var h = 600;
			var padding = [ 20, 10, 50, 100 ];  //Top, right, bottom, left

//Set up date formatting and years
			var dateFormat = d3.time.format("%Y");

var xScale = d3.time.scale()
								.range([ padding[3], w - padding[1] - padding[3] ]);
			
			var yScale = d3.scale.linear()
								.range([ padding[0], h - padding[2] ]);

//creating a new variable to store the line, where x and y will determine the coordinates for the drawing of the path

var line = d3.svg.line()
				.x(function(d) {
					return xScale(dateFormat.parse(d.year));
				})
				.y(function(d) {
					return yScale(d.Emissions);
				});

var xAxis = d3.svg.axis()
							.scale(xScale)
							.orient("bottom")
							.ticks(15)
							.tickFormat(function(d) {
								return dateFormat(d);
							});

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

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

d3.csv("China Emissions.csv", function(chinaData) {

d3.csv("Brazil Emissions.csv", function(brazilData) {

var mergedData = chinaData.concat(brazilData);

xScale.domain([ 
						d3.min(mergedData, function(d) {
							return dateFormat.parse(d.year);
						}),
						d3.max(mergedData, function(d) {
							return dateFormat.parse(d.year);
						})
					]);

yScale.domain([ 
						d3.max(mergedData, function(d) {
							return +d.Emissions;
						}),
						0
					]);

//the circles can be "un commented" if you want to check if the points really correspond to the line

//var circles = svg.selectAll("circle")
					//				.data(data)
					//				.enter()
					//				.append("circle");

//circles.attr("cx", function(d) {
					//		return xScale(dateFormat.parse(d.year));
					//	})
					//	.attr("cy", function(d) {
					//		return yScale(d.ChinaEmissions);
					//	})
					//	.attr("r", 4)
					//	.attr("fill", "firebrick")
					//	.append("title")
					//	.text(function(d) {
					//		return d.year + " emissions: " + d.ChinaEmissions;
					//	});

svg.data([ chinaData ])
						.append("path")
						.attr("class", "line china")
						.attr("d", line)
						.attr("fill", "none")
						.attr("stroke", "firebrick")
						.attr("stroke-width", 2)
						.append("title")
						.text("China");

svg.data([ brazilData ])
						.append("path")
						.attr("class", "line brazil")
						.attr("d", line)
						.attr("fill", "none")
						.attr("stroke", "orange")
						.attr("stroke-width", 2)
						.append("title")
						.text("Brazil");

svg.append("g")
						.attr("class", "x axis")
						.attr("transform", "translate(0," + (h - padding[2] + 10) + ")")
						.call(xAxis);

svg.append("g")
						.attr("class", "y axis")
						.attr("transform", "translate(" + (padding[3] - 10) + ",0)")
						.call(yAxis);

});

</script>

</body>
</html>

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

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