Tree map with levels

author(s): Jon Arild Nygård

by Vitaliy Kretsul

HTML

<script src="https://code.highcharts.com/stock/highstock.src.js"></script>
<script src="https://code.highcharts.com/modules/treemap.js"></script>
<script src="https://code.highcharts.com/modules/accessibility.js"></script>

<figure class="highcharts-figure">
    <div id="container"></div>
    <p class="highcharts-description">
        This chart shows a tree map with a hierarchy, where the
        groups are labelled with a different text style from the
        child nodes, and the nodes are grouped together by color.
    </p>
</figure>

CSS

.highcharts-figure,
.highcharts-data-table table {
    min-width: 320px;
    max-width: 600px;
    margin: 1em auto;
}

.highcharts-data-table table {
    font-family: Verdana, sans-serif;
    border-collapse: collapse;
    border: 1px solid #ebebeb;
    margin: 10px auto;
    text-align: center;
    width: 100%;
    max-width: 500px;
}

.highcharts-data-table caption {
    padding: 1em 0;
    font-size: 1.2em;
    color: #555;
}

.highcharts-data-table th {
    font-weight: 600;
    padding: 0.5em;
}

.highcharts-data-table td,
.highcharts-data-table th,
.highcharts-data-table caption {
    padding: 0.5em;
}

.highcharts-data-table thead tr,
.highcharts-data-table tr:nth-child(even) {
    background: #f8f8f8;
}

.highcharts-data-table tr:hover {
    background: #f1f7ff;
}

JavaScript

Highcharts.StockChart('container', {
    series: [{
        type: "treemap",
        layoutAlgorithm: 'stripes',
        alternateStartingDirection: true,
        levels: [{
            level: 1,
            layoutAlgorithm: 'sliceAndDice',
            dataLabels: {
                enabled: true,
                align: 'left',
                verticalAlign: 'top',
                style: {
                    fontSize: '15px',
                    fontWeight: 'bold'
                }
            }
        }],
        data: [{
            id: 'A',
            name: 'Nord-Norge',
            color: "#50FFB1"
        }, {
            id: 'B',
            name: 'Trøndelag',
            color: '#F5FBEF'
        }, {
            id: 'C',
            name: 'Vestlandet',
            color: "#A09FA8"
        }, {
            id: 'D',
            name: 'Østlandet',
            color: '#E7ECEF'
        }, {
            id: 'E',
            name: 'Sørlandet',
            color: '#A9B4C2'
        }, {
            name: 'Troms og Finnmark',
            parent: 'A',
            value: 70923
        }, {
            name: 'Nordland',
            parent: 'A',
            value: 35759
        }, {
            name: 'Trøndelag',
            parent: 'B',
            value: 39494
        }, {
            name: 'Møre og Romsdal',
            parent: 'C',
            value: 13840
        }, {
            name: 'Vestland',
            parent: 'C',
            value: 31969
        }, {
            name: 'Rogaland',
            parent: 'C',
            value: 8576
        }, {
            name: 'Viken',
            parent: 'D',
            value: 22768
        }, {
            name: 'Innlandet',
            parent: 'D',
            value: 49391
        },
        {
            name: 'Oslo',
            parent: 'D',
            value: 454
        },
        {
            name: 'Vestfold og Telemark',
            parent: 'D',
            value: 15925
        },
        {
            name:...