D3 Examples - d3 plot of uranium ore production by country

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<!DOCTYPE html>
<html lang = "en">
    <head>
        <meta charset = "utf-8">
        <title>Uranium ores &amp; concentrates production</title>
        <style type="text/css">
        
            h1,h2,h3,p {
            font-family: futura;
            }
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            h2,p {
            text-indent: 120px;
            color: steelblue;       
            }
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            svg {
                background-color: white;
            }
​
            rect:hover {
                fill: pink;
            }
            
            .axis path,
            .axis line {
                fill: none;
                stroke: black;
                shape-rendering: crispEdges;
            }
            
            .axis text {
                font-family: futura;
                font-size: 11px;
            }
​
            .y.axis path,
            .y.axis line {
                opacity: 0;
            }
​
        </style>
        <script type="text/javascript" src = "https://d3js.org/d3.v3.js"></script>
    </head>
    
    <body>
        <h2>Uranium ore &amp; concentrate production in 2010 by country </h2>
        <p>Production in metric tons = 1000 kg. Source: <a href="https://data.un.org/Data.aspx?d=ICS&f=cmID:13000-1" >United Nations Industrial Commodity Statistics Database</a> </p>
    
        <script type="text/javascript">
​
            // Define width / height of SVG element.
            var currSVG_w = 1000; // x-axis
            var currSVG_h = 550; // y-axis
​
            // Define padding
            var padding = [0, 20, 50, 120]; // Top Right Bottom Left (like in CSS)
​
            // Create a fn that scales data along x-axis, range specifies output scale pxls.
            var widthScale = d3.scale.linear()
                               .range([ 0 , currSVG_w - padding[1] - padding[3] ]);
​
            // Create a fn that scales data along y-axis, range specifies output scale in pxls.
            var heightScale = d3.scale.ordinal()
                                .rangeRoundBands([ padding[0], currSVG_h - padding[2] ],0.2);
​
            // Create a fn that will draw our x-axis
            var xAxis = d3.svg.axis()
                              .scale(widthScale)                    
                              .orient("bottom");
​
            var yAxis = d3.svg.axis()               
                            .scale(heightScale)
                            .orient("left");                  
​
            // Define our working SVG area of the page
            var currSVG = d3.select("body")
                            .append("svg")
                            .attr("width", currSVG_w)
                            .attr("height", currSVG_h);
​
            //Load in contents of CSV file & plot
            d3.csv("uranium_data_12APR15.csv", function(data) {
​
                    //CSV converted to JSON objects.
​
                    //Log 'data' to the console, for verification.
                    // console.log(data);
​
                data.sort(function(a, b) {
                return d3.descending(+a.yr_2010, +b.yr_2010);
                });     
​
                // input x-axis scale of our data   
                widthScale.domain([ 0, d3.max(data, function(d) {
                        return +d.yr_2010;
                }) ]);
​
                // input y-axis (ordinal) scale of our data
                heightScale.domain(data.map(function(d) { return d.country; } ));
​
                // initialize rectangles that will comprise our bar chart
                var rects = currSVG.selectAll("rect")
                                   .data(data) // data gets bound
                                   .enter() // data enters the stage
                                   .append("rect"); //what we are drawing with
                    
                    rects.attr("x", padding[3]) // each bar starts at same x position
                        .attr("y", function(d) { //"d" here is a single data point, while "i" is the index
                                return heightScale(d.country);
                        }) 
                        .attr("width", function(d){
                            return widthScale(d.yr_2010); 
                        })
                        .attr("height",heightScale.rangeBand())
                        .attr("fill","gold") // fill color of the bars
                         .append("title")
                         .text(function(d) {
                         return d.country + " produced " + d.yr_2010 + " metric tons of Uranium ores and concentrates in 2010.";
                         });
​
                // Draw the x-axis         
                currSVG.append("g")
                    .attr("class", "x axis")
                    .attr("transform", "translate(" + padding[3] + "," + (currSVG_h - padding[2]) + ")")
                    .call(xAxis);      
​
                currSVG.append("g")
                    .attr("class", "y axis")
                    .attr("transform", "translate("+ padding[3] +",0)")
                    .call(yAxis);       
​
​
            });     
​
        </script>
​
</body>
</html>
    