D3 Examples - Worldwide nuclear energy consumption 2012

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<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="utf-8">
        <title>Plot of yearly nuclear energy consumption figures</title>
        <script type="text/javascript" src="https://d3js.org/d3.v3.js"></script>
        <style type="text/css">
            
            body {
                background-color: white;
                font-family: "Gotham Narrow", Helvetica, Arial, sans-serif;
            }
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            h1 {
                font-size: 24px;
                font-family: "Gotham Narrow", Helvetica, Arial, sans-serif;
                margin: 0;
            }
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            p {
                font-size: 14px;
                font-family: "Gotham Narrow", Helvetica, Arial, sans-serif;
                margin: 10px 0 0 0;
            }
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            svg {
                background-color: white;
            }
​
            rect:hover {
                fill: orange;
            }
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            .axis path,
            .axis line {
                fill: none;
                stroke: black;
                shape-rendering: crispEdges;
            }
            
            .axis text {
                font-family: "Gotham Narrow", sans-serif;
                font-size: 13px;
            }
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        </style>
    </head>
    <body>
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        <h1>Nuclear energy consumption</h1>
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        <p>Nuclear energy use (TWh) in 2012 for countries with non-zero historical production. Source: <a href="https://www.bp.com/en/global/corporate/about-bp/energy-economics/statistical-review-of-world-energy.html" target="_blank">BP Statistical Review of World Energy</a> (2014)</p>
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        <script type="text/javascript">     
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            var w = 1000;
            var h = 600;
            var padding = [ 30, 100, 30, 130 ];  //Top, right, bottom, left
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            var widthScale = d3.scale.linear()
                                .range([ 0, w - padding[1] - padding[3] ]);
            
            var heightScale = d3.scale.ordinal()
                                .rangeRoundBands([ padding[0], h - padding[2] ], 0.2);
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            var xAxis = d3.svg.axis()
                            .scale(widthScale)
                            .orient("bottom");
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            var yAxis = d3.svg.axis()
                            .scale(heightScale)
                            .orient("left");
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            var svg = d3.select("body")
                        .append("svg")
                        .attr("width", w)
                        .attr("height", h);
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            d3.csv("NuclearEnergyConsumption1965-2012clean.csv", function(data) {
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                data.sort(function(a, b) {
                    return d3.descending(+a.y2012, +b.y2012);
                });
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                widthScale.domain([ 0, d3.max(data, function(d) {
                    return +d.y2012;
                }) ]);
                heightScale.domain(data.map(function(d) { return d.country; } ));
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                var rects = svg.selectAll("rect")
                    .data(data)
                    .enter()
                    .append("rect");
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                rects.attr("x", padding[3])
                    .attr("y", function(d, i) {
                        return heightScale(d.country);
                    })
                    .attr("width", function(d) {
                        return widthScale(d.y2012);
                    })
                    .attr("height", heightScale.rangeBand())
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                    .attr("fill", "darkred")
                    .append("title")
                    .text(function(d) {
                        return d.country +"'s nuclear energy consumption in 2012 was " +d.y2012 +" TWh";
                    })
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                svg.append("g")
                    .attr("class", "x axis")
                    .attr("transform", "translate(" + padding[3] + "," + (h - padding[2]) + ")")
                    .call(xAxis);
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                svg.append("g")
                    .attr("class", "y axis")
                    .attr("transform", "translate(" + (padding[3] - 5) + ",0)")
                    .call(yAxis);
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            });
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        </script>
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    </body>
</html>
    