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September 26, 2015 17:29
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Module 6 - Renewable Energy
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>Renewable Energy Line Graph</title> | |
| <script type="text/javascript" src="http://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; | |
| } | |
| line:hover { | |
| fill: #79007F; | |
| } | |
| .axis path, | |
| .axis line { | |
| fill: none; | |
| stroke: black; | |
| shape-rendering: crispEdges; | |
| } | |
| .axis text { | |
| font-family: sans-serif; | |
| font-size: 11px; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <h1>Renewable Energy Production</h1> | |
| <p>The United States’ and Spain’s renewable energy production as a percentage of total energy production, 2002-2012. Source: <a href="https://data.oecd.org/energy/renewable-energy.htm">OECD</a>, 2015</p> | |
| <script type="text/javascript"> | |
| 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] ]); | |
| //Configure axis generators | |
| 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") | |
| .tickFormat(function(d) { | |
| return d + "%"; | |
| }); | |
| //Configure line generator | |
| var line = d3.svg.line() | |
| .x(function(d) { | |
| return xScale(dateFormat.parse(d.year)); | |
| }) | |
| .y(function(d) { | |
| return yScale (d.energy); | |
| }); | |
| //Create the empty SVG image | |
| var svg = d3.select("body") | |
| .append("svg") | |
| .attr("width", w) | |
| .attr("height", h); | |
| //load USA data | |
| d3.csv("usaenergy.csv", function(usaData) { | |
| //load Spain data | |
| d3.csv("spainenergy.csv", function(spainData) { | |
| //Create a new array that contains both the | |
| //USA and Spain data, merged into one | |
| var mergedData = usaData.concat(spainData); | |
| //console.log(mergedData); | |
| //Use the newly merged data to determine the | |
| //min and max values, for setting scale domains | |
| 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.energy; | |
| }), | |
| 0 | |
| ]); | |
| svg.data([ usaData ]) | |
| .append("path") | |
| .attr("class", "line usa") | |
| .attr("d", line) | |
| .attr("fill", "none") | |
| .attr("stroke", "steelblue") | |
| .attr("stroke-width", 2); | |
| svg.data([ spainData ]) | |
| .append("path") | |
| .attr("class", "line china") | |
| .attr("d", line) | |
| .attr("fill", "none") | |
| .attr("stroke", "red") | |
| .attr("stroke-width", 2); | |
| 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); | |
| }); | |
| //End Spain data load function | |
| }); | |
| //End USA data load function | |
| </script> | |
| </body> | |
| </html> |
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| year | energy | |
|---|---|---|
| 2002 | 5.4 | |
| 2003 | 6.9 | |
| 2004 | 6.3 | |
| 2005 | 5.9 | |
| 2006 | 6.5 | |
| 2007 | 7 | |
| 2008 | 7.6 | |
| 2009 | 9.7 | |
| 2010 | 11.7 | |
| 2011 | 11.7 | |
| 2012 | 11.9 |
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| year | energy | |
|---|---|---|
| 2002 | 4 | |
| 2003 | 4.3 | |
| 2004 | 4.4 | |
| 2005 | 4.5 | |
| 2006 | 4.8 | |
| 2007 | 4.7 | |
| 2008 | 5.1 | |
| 2009 | 5.4 | |
| 2010 | 5.6 | |
| 2011 | 6.1 | |
| 2012 | 6.3 |
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