D3 Examples - D3 week 5

xxxxxxxxxx
 
<!DOCTYPE html>
<html>
​
<head>
​
    <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;
            }
​
            h2 {
                font-family: helvetica;
                font-weight: bold;
                font-size: 24px;
                color: #1A1A1A;
                margin-bottom: 0px;
            }
            
​
            body {
                background-color: #f2f2f2;
            }
​
​
            circle:hover {
                fill: #CC0000;
            }
​
            p {
                font-family: helvetica;
                font-size: 15px;
                color: #1A1A1A;
                margin-bottom: 0px;
            }
​
            p2 {
                font-family: helvetica;
                font-size: 10px;
                color: #AAAAAA;
                margin-bottom: 0px;
                text-align: right;
            }
​
            .yaxis,
            .xaxis text {
                font-family: helvetica;
                font-size: 10px;
                shape-rendering: crispEdges;
            }
​
            .xaxis path,
            .yaxis path,
            .yaxis line,
            .xaxis line {
                    fill: none;
                    stroke: black;
                    
​
            }
​
​
​
​
        </style>
​
</head>
​
<body>
​
<h2>De grootste gemeentes van Nederland</h2>
​
<p>Top-30 gemeentes naar inwonertal</p>
​
    <script>
​
    var w = 600
    var h = 400
    var padding = [ 40, 40, 40, 40 ]; //Top, right, bottom, left
​
    var xScale = d3.scale.linear()
                        .range([ padding[3], w - padding[1] ]);
​
    var yScale = d3.scale.linear()
                        .range ([ padding[0], h - padding[2] ]);                    
​
    var xAxis = d3.svg.axis()
                    .scale(xScale)
                    .orient("bottom")
                    .ticks(10);
​
    var yAxis = d3.svg.axis()
                    .scale(yScale)
                    .orient("left")
                    .tickFormat(function(d) {
                        return d + "%";
                    });         
​
​
    var svg = d3.select("body")
        .append("svg")
        .attr("width", w)
        .attr("height", h);
​
​
​
    d3.csv("bevolking.csv", function(data) {
​
            data.sort(function(a,b) {
                return d3.descending (+a.Population2015, +b.Population2015)
            });
​
            xScale.domain([ 
                d3.min(data, function(d) { return +d.Population2015;
                }), 
                d3.max(data, function(d) {return +d.Population2015;
                }) 
            ]);
​
            yScale.domain([ 
                d3.max(data, function(d) { return +d.Growth2015;
                }), 
                d3.min(data, function(d) {return +d.Growth2015;
                }) 
            ]);
​
    var circles = svg.selectAll("circle")
                    .data(data)
                    .enter()
                    .append("circle");
​
            circles.attr("class", "circles")
                .attr("cx", function(d) {
                    return xScale(d.Population2015) - 50;
                })                  
                .attr("cy", function(d) {
                    return yScale(d.Growth2015) - 100;
                })
                .attr("r", 0.1)
                .attr("fill", "##C1C1C1")
                .append("title")
                .text(function(d) {
                    return d.Community + " heeft "  +d.Population2015 + " inwoners en groeit dit jaar met " +d.Growth2015 + "%.";
                });
​
            circles.sort(function(a,b) {
                return d3.ascending(+a.Population2015, +b.Population2015);
                })
                .transition()
                .delay(function(d, i) {
                    return i * 50;
                })
                .duration(1500)
                .attr("r", 5)
                .attr("opacity", 0.7)
                .attr("cx", function(d) {
                    return xScale(d.Population2015);
                })                  
                .attr("cy", function(d) {
                    return yScale(d.Growth2015);
                });
​
​
        svg.append("g")
            .attr("class", "xaxis")
            .attr("transform", "translate(0," + (h - padding[2]) + ")")
            .call(xAxis);
​
        svg.append("g")
            .attr("class", "yaxis")
            .attr("transform", "translate(" + (padding[3] - 5) + ",0)")
            .call(yAxis);
​
​
​
            
        });
​
    </script>
​
<p2>bron: CBS</p2>
​
</body>
​
</html>
    