D3 Examples - Comparison of Uranium ore/concentrate production: a look at years 2000 and 2010

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        <title>Uranium ores &amp; concentrates production</title>
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            h1,h2,h3,p {
            font-family: futura;
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            h2,p {
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            circle:hover {
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            .axis path,
            .axis line {
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                stroke: black;
                shape-rendering: crispEdges;
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            .axis text {
                font-family: futura;
                font-size: 11px;
            }
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            .line {
            fill: none;
            stroke: steelblue;
            stroke-width: 1.5px;
            }
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        </style>
        <script type="text/javascript" src = "https://d3js.org/d3.v3.js"></script>
    </head>
    
    <body>
        <h2>Uranium ore &amp; concentrate production: comparison of year 2000 and 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">
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            // Define width / height of SVG element.
            var currSVG_w = 650; // x-axis
            var currSVG_h = 550; // y-axis
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            // Define padding
            var padding = [20, 20, 20, 122]; // Top Right Bottom Left (like in CSS)
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            // Create a fn that scales data along x-axis, range specifies output scale pxls.
            var xScale = d3.scale.linear()
                               .range([ padding[3] , currSVG_w - padding[1] ]);
​
            // Create a fn that scales data along y-axis, range specifies output scale in pxls.
            var yScale = d3.scale.linear()
                                .range([ padding[0], currSVG_h - padding[2] ]);
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            // Create a fn that will draw our x-axis
            var xAxis = d3.svg.axis()
                              .scale(xScale)                    
                              .orient("bottom");
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            var yAxis = d3.svg.axis()               
                            .scale(yScale)
                            .orient("left");                  
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            // Define our working SVG area of the page
            var currSVG = d3.select("body")
                            .append("svg")
                            .attr("width", currSVG_w)
                            .attr("height", currSVG_h);
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            // Define identity line
            var line = d3.svg.line()
                    .x(function(d) { return xScale(d.yr_0000); })
                    .y(function(d) { return yScale(d.yr_0000); });
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            //Load in contents of CSV file & plot
            d3.csv("uranium_data_12APR15.csv", function(data) {
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                var temp1 = d3.max(data, function(d) {
                        return +d.yr_2000;
                 });
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                var temp2 = d3.max(data, function(d) {
                        return +d.yr_2010;
                 });
                
                if (temp1>temp2){
                    var uLimit = temp1;
                } else{
                    var uLimit = temp2;
                }
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                xScale.domain([ 0, uLimit ]);
    
​
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                // input y-axis (ordinal) scale of our data
                // yScale.domain([ d3.max(data, function(d){
                //      return +d.yr_2010;
                // }), 0 ]);
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            yScale.domain([ uLimit, 0 ]);
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                // initialize rectangles that will comprise our bar chart
                var circles = currSVG.selectAll("circle")
                                   .data(data) // data gets bound
                                   .enter() // data enters the stage
                                   .append("circle"); //what we are drawing with
                    
                    circles.attr("cx", function(d){
                                return xScale(d.yr_2000);
                        }) 
                        .attr("cy", function(d) { 
                                return yScale(d.yr_2010);
                        })
                        .attr("r",1000)
                        .attr("fill","gold") // fill color of the bars
                        .append("title")
                        .text(function(d) {
                            return d.country + " year 2000 production: " + d.yr_2000 +" [metric tons]"+ ", year 2010 production:  " + d.yr_2010 +" [metric tons]";
                        });
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                    // Transition   
                    circles.transition()
                    .duration(2000)
                    .attr("r",10);
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                // Draw the x-axis         
                currSVG.append("g")
                    .attr("class", "x axis")
                    .attr("transform", "translate(0," + (currSVG_h - padding[2]) + ")")
                    .call(xAxis);      
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                currSVG.append("g")
                    .attr("class", "y axis")
                    .attr("transform", "translate("+ padding[3] +",0)")
                    .call(yAxis);       
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                currSVG.append("path")
                        .datum(data)
                        .style("stroke-dasharray", ("5, 5"))
                        .attr("class", "line")
                        .attr("d", line);   
                console.log(data);
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            });     
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        </script>
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</body>
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