D3 Examples - Exercise Module 4

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<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="utf-8">
        <title>Exercise Module 3</title>
        <script type="text/javascript" src="https://d3js.org/d3.v3.js"></script>
        <style type="text/css">
            
            body {
                background-color: #F2F2F2;
            }
​
            svg {
                background-color: #F2F2F2;
            }
​
            
            h1 {
                font-family: Helvetica, Arial, sans-serif;
                font-size: 36px;
                font-weight: bold;
                color: #A01E0C;
                border-bottom: solid 8px #A01E0C;
            
            }
​
    
            p {
                font-family: Helvetica;
                font-size: 16px;
                font-weight: bold;
                
            }
​
            rect:hover {
                fill: #A01E0C;
            }
​
            .axis path,
            .axis line {
                fill: none;
                stroke: #A01E0C;
                shape-rendering: crispEdges;
            }
            
            .axis text {
                font-family: sans-serif;
                font-size: 12px;
                
            }
​
            .y.axis path,
            .y.axis line {
                opacity: 0;
            }
​
        </style>
    </head>
    <body>
        <h1>UNEMPLOYMENT IN SPAIN </h1>
        <p>Unemployment rate in Spain by region in 2014. Source: Spanish Statistical Office, <a href="https://www.ine.es">INE</a> </p>
        <script type="text/javascript">     
            
            var w = 500;
            var h = 550;
            var padding = [ 20, 20, 40, 150 ];
    
            var widthScale = d3.scale.linear()
                                .range([ 0, w - padding[1] - padding[3] ]);
​
            var heightScale = d3.scale.ordinal()
            .rangeRoundBands([ padding[0], h - padding[2] ], 0.2);
​
​
    
            var xAxis = d3.svg.axis()
                            .scale(widthScale)
                            .orient("bottom")
                              .ticks(8)
                              .tickFormat(function(d) { return d + "%"; });
​
            var yAxis = d3.svg.axis()
                            .scale(heightScale)
                            .orient("left");
                              
​
​
​
            var svg = d3.select("body")
                        .append("svg")
                        .attr("width", w)
                        .attr("height", h);
​
                
​
            d3.csv("Unemployment in Spain.csv", function(data) {
​
                data.sort(function(a, b) {
                    return d3.descending(a.Unemp_rate_14, b.Unemp_rate_14);
                });
​
                widthScale.domain([ 0, d3.max(data, function(d) {
                    return +d.Unemp_rate_14;
                }) ]);
​
                heightScale.domain(data.map(function(d) { return d.Region; } ));
​
    
                    var rects = svg.selectAll("rect")
                                .data(data)
                                .enter()
                                .append("rect");
​
​
​
                rects.attr("x", padding[3])
                    .attr("y", function(d, i) {
                        return heightScale(d.Region);
                    })
                    .attr("width", function(d) {
                        return widthScale(d.Unemp_rate_14);
                    })
                    .attr("height", heightScale.rangeBand())
                    .attr("fill",function(d){if(d.Region=="Total Espanya") return "#585858"; else return "#A4A4A4";})       
​
                    .append("title")
                    .text(function(d) {
                        return d.Region + "'s unemployment rate in 2014 was " + d.Unemp_rate_14 + "%";
                    });
​
                svg.append("g")
                    .attr("class", "x axis")
                    .attr("transform", "translate(" + padding[3] + "," + (h - padding[2]) + ")")
                    .call(xAxis);
​
                svg.append("g")
                .attr("class", "y axis")
                .attr("transform", "translate(" + (padding[3] - 5) + ",0)") 
                .call(yAxis);
​
            });
​
​
        </script>
​
    </body>
</html>
    