California congressional districts - Highmaps

Highmaps demo

by Kathryn Atwood

HTML

<script src="https://code.highcharts.com/maps/highmaps.js"></script>
<script src="https://code.highcharts.com/maps/modules/exporting.js"></script>
<script src="https://code.highcharts.com/mapdata/countries/us/custom/us-ca-congress-113.js"></script>

<div id="container"></div>

CSS

#container {
    height: 500px; 
    min-width: 310px; 
    max-width: 800px; 
    margin: 0 auto; 
}
.loading {
    margin-top: 10em;
    text-align: center;
    color: gray;
}

JavaScript

$(function () {

    // Prepare demo data
    var data = [
        {
            "hc-key": "us-ca-05",
            "value": 1044
        },
        {
            "hc-key": "us-ca-02",
            "value": 409
        },
        {
            "hc-key": "us-ca-11",
            "value": 27
        },
        {
            "hc-key": "us-ca-03",
            "value": 10
        },
    ];

    // Initiate the chart
    $('#container').highcharts('Map', {

        title : {
            text : 'SSU Employee Population in Congressional Districts 2, 3, 5, and 11'
        },

        subtitle : {
            text : 'Employee data as of Fall 2016<br>Source map: <a href="https://code.highcharts.com/mapdata/countries/us/custom/us-ca-congress-113.js">California congressional districts</a>'
        },

        mapNavigation: {
            enabled: true,
            buttonOptions: {
                verticalAlign: 'bottom'
            }
        },

        colorAxis: {
            min: 0
        },

        series : [{
            data : data,
            mapData: Highcharts.maps['countries/us/custom/us-ca-congress-113'],
            joinBy: 'hc-key',
            name: 'Number of Employees',
            states: {
                hover: {
                    color: '#a4edba'
                }
            },
            dataLabels: {
                enabled: true,
                format: '{point.value}'
            }
        }]
    });
});