Tree map with levels

author(s): Jon Arild Nygård

HTML

<script src="https://code.highcharts.com/highcharts.js"></script>
<script src="https://code.highcharts.com/modules/treemap.js"></script>
<script src="https://code.highcharts.com/modules/exporting.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.chart('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: 'Apples',
                    color: "#EC2500",
                    value: 10,
                }, {
                    id: 'B',
                    name: 'Bananas',
                    color: "#ECE100",
                    value: 15,
                }, {
                    id: 'O',
                    name: 'Oranges',
                    color: '#EC9800',
                    value: 20,
                }]
    }],
    title: {
        text: 'Fruit consumption'
    }
});