D3 Examples - Exports and Imports, % of GDP

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<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="utf-8">
        <title>Trade in goods and services</title>
        <script type="text/javascript" src="https://d3js.org/d3.v3.js"></script>
        <style type="text/css">
                                    
            body {
                background-color: white;
                font-family: Helvetica, Arial, sans-serif;
            }
        
            svg {
                background-color: #EBF2DE;
            }
            
            circles {
                background-color: #000000;
                shape-rendering: crispEdges;
            }
            
            circle:hover { 
                fill: #C2E3E8;
            } 
            
            .axis path,
            .axis line {
                fill: none;
                stroke: black;
                shape-rendering: crispEdges;
            }
            
            .axis text {
                font-family: sans-serif;
                font-size: 12px;
            }
            
            </style>
    </head>
    <body>
 
        <svg width="1000">
            <ellipse cx="10" cy="10" rx="100" ry="100" fill="#B8CCB8" />
            <ellipse cx="75" cy="75" rx="50" ry="50" fill="#D9FFFF" />
            <text x="65" y="80" fill="charcoal" font-size="36" font-weight="bold" font-family="Helvetica">Trade in goods and services</text>
            <text x="65" y="105" fill="charcoal" font-size="14" font-weight="bold" font-family="Helvetica">Exports and Imports, % of GDP, 2013 - Source: National Accounts at a Glance</text>
                    
        
        <script type="text/javascript">     
            
            var w = 1000;
            var h = 700;
            var padding = [10, 10, 40, 100];//[top, right, bottom, left]
​
            var svg = d3.select("body")
                        .append("svg")
                        .attr("width", w)
                        .attr("height", h);     
            
            var xScale = d3.scale.linear() 
                        .range([ padding[3], h + padding[3] ]);
    
            var yScale = d3.scale.linear()
                        .range([ padding[2], h - padding[2] ]);
                        
            var xAxis = d3.svg.axis()
                        .scale(xScale)
                        .orient("bottom")
                        .tickFormat(function(d) {
                                return d + "%";
                            });
    
            var yAxis = d3.svg.axis()
                        .scale(yScale)
                        .orient("left")
                        .tickFormat(function(d) {
                                return d + "%";
                            });                     
                                                
            d3.csv("exportsimports.csv", function(data) {
​
                data.sort(function(a, b) {
                    return d3.descending(+a.EXP2013, +b.EXP2013);
                    
                });
                
                xScale.domain([ 0, 100]);
​
                yScale.domain([ 100, 0]);
​
            var circles = svg.selectAll("circle")
                            .data(data)
                            .enter()
                            .append("circle");
​
                circles.attr("cx", 100)
                    .attr("cy", 650)
                    .attr("r", 0.1)
                    .attr("height", yScale())
                    .attr("fill", "#87A7C4")
                    .append("title")
                    .text(function(d) {
                        return d.Location + "'s Net Trade is " + d.EXP2013 - d.IMP2013});
                        
                            
                circles.sort(function(a, b) {
                    return d3.ascending(+a.EXP2013, +b.EXP2013);
                })
                
                    .transition()
                    .delay(function(d, i) {
                        return i *50;
                    })
                    .duration(2000)
                    .attr("cx", function(d) {
                        return xScale(d.EXP2013);
                    })
                    .attr("cy", function(d) {
                        return yScale(d.IMP2013);
                    })
                    .attr("r", 4);
                    
            svg.append("g")
                .attr("class", "x axis")
                .attr("transform", "translate(0," + (h - padding[2]) + ")")
                .call(xAxis);
​
            svg.append("g")
                .attr("class", "y axis")
                .attr("transform", "translate(" + (padding[3]) + ",0)")
                .call(yAxis);
​
        
    });
​
        
        </script>
         
 
  
        </svg>
    </body>
</html>
    