Highcharts Demo

author(s): Torstein Hønsi

by Geo George

HTML

<script src="https://code.jquery.com/jquery-3.1.1.min.js"></script>
<script src="https://code.highcharts.com/maps/highmaps.js"></script>
<script src="https://code.highcharts.com/maps/modules/data.js"></script>
<script src="https://code.highcharts.com/maps/modules/exporting.js"></script>
<script src="https://code.highcharts.com/mapdata/custom/world.js"></script>


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

<button id="getselectedpoints">Get selected points</button>

CSS

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

JavaScript

$.getJSON('https://cdn.rawgit.com/highcharts/highcharts/680f5d50a47e90f53d814b53f80ce1850b9060c0/samples/data/world-population-density.json', function (data) {

    // Initiate the chart
    var chart = Highcharts.mapChart('container', {

        title: {
            text: 'Allow point select'
        },

        legend: {
            title: {
                text: 'Population density per km²'
            }
        },

        plotOptions: {
            series: {
                point: {
                    events: {
                        select: function () {
                            
                        },
                        unselect: function () {
                           
                        }
                    }
                }
            }
        },

        colorAxis: {
            min: 1,
            max: 1000,
            type: 'logarithmic'
        },

        series: [{
            data: data,
            mapData: Highcharts.maps['custom/world'],
            joinBy: ['iso-a2', 'code'],
            name: 'Population density',
            allowPointSelect: true,
            cursor: 'pointer',
            states: {
                hover: {
                    color: '#a4edba'
                },
                select: {
                    color: '#EFFFEF',
                    borderColor: 'black',
                    dashStyle: 'dot'
                }
            },
            tooltip: {
                valueSuffix: '/km²'
            }
        }]
    });

    $('#getselectedpoints').click(function () {
        var selectedPoints = chart.getSelectedPoints();
        alert('You selected ' + selectedPoints.length + ' points');
    });
});