D3 Examples - CT IT Portfolio Budget

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<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="utf-8">
        <title>Budget for Connecticut State IT Projects</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;
            }
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            h1 {
                font-size: 24px;
                margin: 0;
            }
​
            p {
                font-size: 14px;
                margin: 10px 0 0 0;
            }
​
            svg {
                background-color: white;
            }
​
            rect:hover {
                fill: orange!important;
            }
            
            .axis path,
            .axis line {
                fill: none;
                stroke: black;
                shape-rendering: crispEdges;
            }
            
            .axis text {
                font-family: sans-serif;
                font-size: 11px;
            }
​
            .y.axis path,
            .y.axis line {
                opacity: 0;
            }
​
        </style>
    </head>
    <body>
        <h1>Budget for Connecticut State IT Projects</h1>
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        <p>Information Technology projects reported to the Office of Policy and Management Source: <a href="https://data.ct.gov/Government/Information-Technology-Project-Portfolio/i7h5-rx65">Connecticut State Government</a>, 2015</p>
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        <script type="text/javascript">
​
            var w = 1200;
            var h = 180;
            var padding = [ 50, 10, 30, 90 ];  //Top, right, bottom, left
            var flatColors = {
                green : "#2ECC71",
                yellow : "#F5D76E",
                red : "#e74c3c"
            };
​
            // logscale if needed
            var xScale = d3.scale.linear()
                                .range([ padding[3], w - padding[1] - padding[3] ]);
            
            var yScale = d3.scale.linear()
                                .range([ padding[0], h - padding[2] ]);
​
            var xAxis = d3.svg.axis()
                            .scale(xScale)
                            .orient("bottom")
                            .ticks(8);
​
            var yAxis = d3.svg.axis()
                            .scale(yScale)
                            .orient("left")
                            .tickFormat(function(d) {
                                return 'Level: ' + d;
                             })
                             .ticks(2);
​
            var body = d3.select("body");
            var svg = body.append("svg")
                           .attr("width", w)
                           .attr("height", h);
            var colorCode = function(d) {
                            switch(d.Level) {
                                case "1":
                                    return flatColors.red;
                                case "2":
                                    return flatColors.yellow;
                                case "3":
                                    return flatColors.green;
                                default:
                                    return "black";
                            }
                        };
​
            //Load in contents of CSV file
            d3.csv("ctitportfolio.csv", function(data) {
       
                data.sort( function(a,b) {
                    return d3.ascending(+a.TotalBudget, +b.TotalBudget);
                });
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                xScale.domain([
                    d3.min(data, function(d) {
                        return +d.TotalBudget;
                    }), 
                    d3.max(data, function(d) {
                        return +d.TotalBudget;
                    }) 
                ]);
​
                // Correllation data
                yScale.domain([
                    d3.min(data, function(d) {
                        return +d.Level;
                    }), 
                    d3.max(data, function(d) {
                        return +d.Level;
                    }) 
                ]);
​
                // Assign labels - Numerical Labels
                // yScale.domain(d3.range(data.length));
                // yScale.domain(data.map(function(d) {return d.ProjectName; } ));
​
                var circles = d3.select("svg").selectAll('circle')
                                .data(data)
                                .enter()
                                .append('circle');
​
                circles
                    .attr("r", 0.3)
                    .attr({
                        "cx": padding[3],
                        "cy": function(d, i) {
                                    return yScale(d.Level);
                                }
                    })
                    .style({
                        "fill": colorCode,
                        "opacity": 0.5
                                })
                    .append("title")
                    .text(function(d) {
                        return d.ProjectName + " : costs " + d.TotalBudget + ' Level: '+ d.Level;
                    });
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                circles.sort(function(a,b) {
                    return d3.ascending(+a.TotalBudget, +b.TotalBudget);
                    })
                    .transition()
                    .delay(function(d,i) {
                        return i*10;
                    })
                    .duration(2000)
                    .attr("r", 7)
                    .attr("cx", function(d) {
                        return xScale(d.TotalBudget);
                    } )
                     .attr("cy", function(d, i) {
                        return yScale(d.Level);
                    });
​
                svg.append("g")
                    .attr("class", "x axis")
                    .attr("transform", "translate(0," + (h - padding[2] + 10) + ")")
                    .call(xAxis);
​
                svg.append("g")
                    .attr("class", "y axis")
                    .attr("transform", "translate(" + (padding[3] - 10) + ",0)")
                    .call(yAxis);
​
            });
        </script>
​
    </body>
</html>
    