D3 Examples - D3 week 4

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<!DOCTYPE html>
<html>
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<head>
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    <title>D3 Course week 4</title>
    <script type="text/javascript" src="https://d3js.org/d3.v3.min.js"></script>
    <style type="text/css">
            
            body {
                background-color: #f2f2f2;
            }
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            h2 {
                font-family: helvetica;
                font-weight: bold;
                font-size: 24px;
                color: #1A1A1A;
                margin-bottom: 0px;
            }
            
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            body {
                background-color: #f2f2f2;
            }
​
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            rect:hover {
                fill: #CC0000;
            }
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            p {
                font-family: helvetica;
                font-size: 15px;
                color: #1A1A1A;
                margin-bottom: 0px;
            }
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            p2 {
                font-family: helvetica;
                font-size: 10px;
                color: #AAAAAA;
                margin-bottom: 0px;
                text-align: right;
            }
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            .yaxis,
            .xaxis text {
                font-family: helvetica;
                font-size: 10px;
                shape-rendering: crispEdges;
            }
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            .xaxis path,
            .xaxis line {
                    fill: none;
                    stroke: black;
                    
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            }
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            .yaxis path,
            .yaxis line {
                fill: none;
                stroke: none;
            }
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        </style>
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</head>
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<body>
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<h2>De grootste gemeentes van Nederland</h2>
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<p>Top-30 gemeentes naar inwonertal</p>
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    <script>
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    var w = 500
    var h = 500
    var padding = [ 20, 10, 20, 100 ]; //Top, right, bottom, left
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    var widthScale = d3.scale.linear()
                        .range([ 0, w - padding[1] - padding[3] ]);
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    var heightScale = d3.scale.ordinal()
                        .rangeRoundBands ([ padding[0], h - padding[2] ] , 0.3);                    
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    var xAxis = d3.svg.axis()
                    .scale(widthScale)
                    .orient("bottom");
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    var yAxis = d3.svg.axis()
                    .scale(heightScale)
                    .orient("left");            
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    var svg = d3.select("body")
        .append("svg")
        .attr("width", w)
        .attr("height", h);
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​
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    d3.csv("bevolking.csv", function(data) {
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            data.sort(function(a,b) {
                return d3.descending (+a.Population2015, +b.Population2015)
            });
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            widthScale.domain([ 0, d3.max(data, function(d) {
                return +d.Population2015;
            }) ]);
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            heightScale.domain(data.map(function(d) { return d.Community; } ));
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            svg.selectAll("rect")
                .data(data)
                .enter()
                .append("rect")
                .attr("class", "rects")
                .attr("fill", "#AAAAAA")
                .attr("x", padding[3])                  
                .attr("y", function(d,i) {
                    return heightScale(d.Community);
                })
                .attr("width", function(d) {
                    return widthScale(d.Population2015);
                })
                .attr("height", heightScale.rangeBand());
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        svg.append("g")
            .attr("class", "xaxis")
            .attr("transform", "translate(" + padding[3] + "," + (h - padding[2]) + ")")
            .call(xAxis);
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        svg.append("g")
            .attr("class", "yaxis")
            .attr("transform", "translate(" + (padding[3] - 5) + ",0)")
            .call(yAxis);
​
​
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        });
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    </script>
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<p2>bron: CBS</p2>
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</body>
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</html>
    