Large tree map

author(s): Jon Arild Nygård

by Geo George

HTML

<script src="https://code.highcharts.com/highcharts.js"></script>
<script src="https://code.highcharts.com/modules/data.js"></script>
<script src="https://code.highcharts.com/modules/heatmap.js"></script>
<script src="https://code.highcharts.com/modules/treemap.js"></script>
<script src="https://code.highcharts.com/modules/exporting.js"></script>

<figure class="highcharts-figure">
    <div id="container"></div>
    <p class="highcharts-description">
        This demo shows a large data set visualized with a tree map.
        Each country of the world has a data point, grouped by
        continent. Click on a continent to view more detailed data.
        Clicking on a country breaks the mortality rate further down
        into different types.
    </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.getJSON('https://cdn.jsdelivr.net/gh/highcharts/[email protected]/samples/data/world-mortality.json', function (data) {

    var points = [],
        regionP,
        regionVal,
        regionI = 0,
        countryP,
        countryI,
        causeP,
        causeI,
        region,
        country,
        cause,
        causeName = {
            'Communicable & other Group I': 'Communicable diseases',
            'Noncommunicable diseases': 'Non-communicable diseases',
            Injuries: 'Injuries'
        };

    for (region in data) {
        if (data.hasOwnProperty(region)) {
            regionVal = 0;
            regionP = {
                id: 'id_' + regionI,
                name: "aaaaaa aaaaa aaaaaaa aaaaaaaaaaaaaa"+region,
                color: Highcharts.getOptions().colors[regionI]
            };
            countryI = 0;
            for (country in data[region]) {
                if (data[region].hasOwnProperty(country)) {
                    countryP = {
                        id: regionP.id + '_' + countryI,
                        name: "sssssssssssssssss"+country,
                        parent: regionP.id
                    };
                    points.push(countryP);
                    causeI = 0;
                    for (cause in data[region][country]) {
                        if (data[region][country].hasOwnProperty(cause)) {
                            causeP = {
                                id: countryP.id + '_' + causeI,
                                name: "aaaaaaaaaaaa"+causeName[cause],
                                parent: countryP.id,
                                value: Math.round(+data[region][country][cause])
                            };
                            regionVal += causeP.value;
                            points.push(causeP);
                            causeI = causeI + 1;
                        }
                    }
                    countryI = countryI + 1;
                }
     ...