D3 Examples - CT aid dot plot

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<!DOCTYPE html>
 <html lang="en">
    <head>
        <meta charset = "utf-8">
        <title>US Counterterrorism Assistance</title>
        <script type = "text/javascript" src = "https://d3js.org/d3.v3.js"></script>
        <style type = "text/css">
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            body {
                background-color: #fff;
                font-family: sans-serif, Helvetica, Arial;
            }
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            h1 {
                font-size: 24px;
                margin: 20px 0 0 85px;
            }
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            p {
                font-size: 14px;
                margin: 10px 0 0 85px;
            }
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            a:link{
                color: #4086AA;
            }
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            svg{
                background-color: #fff;
            }
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            circle:hover {
                fill: #4086AA;
            }
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            .axis path, 
            .axis line {
                fill: none;
                stroke: black;
                shape-rendering: crispEdges;
            }
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            .axis text {
                font-family: sans-serif;
                font-size: 12px;
            }
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            .y.axis path, 
            .y.axis line {
                opacity: 0;
            }
        </style>
    </head>
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    <body>
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        <h1> Top 20 Recipients of U.S. Counterterrorism Assistance </h1>
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        <p>Source: <a href="https://catalog.data.gov/dataset/foreign-assistance-dashboard/resource/e2affc25-ddba-4d93-8453-4c1f48b25ecc" target="_blank">data.gov</a>, 2013 </p>
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        <script type = "text/javascript">
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        //To do: 
        //-redo the padding so there's actual var names
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            var w = 750;
            var h = 425;
            var padding = [ 10, 10, 20, 85];
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            var xScale = d3.scale.linear()
                .range([ 0, w - padding[1] - padding[3] ]);
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            var yScale = d3.scale.ordinal() 
                .rangeRoundBands([ padding[0], h - padding[2] ], 1); 
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            var xAxis = d3.svg.axis()
                .scale(xScale)
                .orient("bottom")
                .ticks(6)
                .outerTickSize(0);
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            var yAxis = d3.svg.axis()
                .scale(yScale)
                .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("ct_aid.csv", function(data) {
                data.sort(function(a, b) {
                    return d3.descending(+a.disbursed, +b.disbursed);
                });
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            xScale.domain([ 0, d3.max(data, function(d) {
                return +d.disbursed;
            }) ]);
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            yScale.domain(data.map(function(d) {
                return d.country; }));
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            //narrow rects as lines
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            var rects_1 = svg.selectAll("rect")
                .data(data)
                .enter()
                .append("rect");
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            rects_1
                .attr("x", padding[3])
                .attr("y", function(d) {
                    return yScale(d.country);
                })
                .attr("width", 0)
                .attr("height", 1)
                .attr("fill", "#292E37");
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            var rects_2 = svg.selectAll("rect")
                .data(data)
                .enter()
                .append("rect");
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            rects_2
                .attr("x",function(d) {
                    return xScale(+d.disbursed);
                })
                .attr("y", padding[2])
                .attr("width", 1)
                .attr("height", 0)
                .attr("fill", "#292E37");
​
​
            // circle for end point
            var circles = svg.selectAll("circle")
                .data(data)
                .enter()
                .append("circle");
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            circles 
                .attr("cx", 85)
                .attr("cy", function(d) {
                    return yScale(d.country);
                })
                .attr("r", 1)
                .attr("fill", "#292E37");
​
            //transitions
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            var transTime = 4000
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            rects_1
                .transition(transTime)
                .attr("width", function(d) {
                    return xScale(+d.disbursed);
                });
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            rects_2
                .transition(transTime)
                .attr("height", function(d) {
                    return yScale(d.country);
                });
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            circles
                .transition(transTime)
                .attr("cx", function(d) {
                    return 85 + xScale(+d.disbursed);
                })
                .attr("cy", function(d) {
                    return yScale(d.country);
                })
                .attr("r", 5)
                .attr("fill", "#292E37");
            //
​
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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);
​
​
            });
​
        </script>
    </body>
</html>
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