Venn diagram

author(s): Jon Arild Nygård

by Sascha

HTML

<script src="https://code.highcharts.com/highcharts.js"></script>
<script src="https://code.highcharts.com/modules/venn.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">
        Venn diagrams are used to show logical relations between
        sets. This chart is showing the relationship between the
        sets "Good", "Bad", and "Cheap", with labels for the
        different intersections.
    </p>
</figure>

CSS

.highcharts-figure, .highcharts-data-table table {
    min-width: 320px; 
    max-width: 700px;
    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', {
    accessibility: {
        point: {
            descriptionFormatter: function (point) {
                var intersection = point.sets.join(', '),
                    name = point.name,
                    ix = point.index + 1,
                    val = point.value;
                return ix + '. Intersection: ' + intersection + '. ' +
                    (point.sets.length > 1 ? name + '. ' : '') + 'Value ' + val + '.';
            }
        }
    },
    series: [{
        type: 'venn',
        name: 'The Unattainable Triangle',
        data: [{
            sets: ['Infos'],
            value: 4
        }, {
            sets: ['Warnings'],
            value: 2
        }, {
            sets: ['Errors'],
            value: 1
        }, ]
    }],
    title: {
        text: 'The Unattainable Triangle'
    }
});