Highcharts Heat Map Chart

In the previous chapters, we learned how to setup highcharts library and how to create a chart with required configurations using highcharts library in our webpage. Now, we will learn how to create a heat map chart using highcharts library with examples.

Highcharts Heat Map Chart Example

Following is the example of creating a heat map chart by setting the required chart properties using highcharts library.

 

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<html>

<head>

    <title>Highcharts Heat Map Chart</title>

    <script src="https://code.jquery.com/jquery-3.4.1.min.js"></script>

    <script src="https://code.highcharts.com/highcharts.js"></script>

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

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

    <script type="text/javascript">

        $(function() {

            Highcharts.chart('container', {

                chart: {

                    type: 'heatmap',

                    marginTop: 40,

                    marginBottom: 80,

                    plotBorderWidth: 1

                },

                title: {

                    text: 'Sales per employee per weekday'

                },

                xAxis: {

                    categories: ['Alexander', 'Marie', 'Maximilian', 'Sophia', 'Lukas', 'Maria', 'Leon', 'Anna', 'Tim', 'Laura']

                },

                yAxis: {

                    categories: ['Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday'],

                    title: null

                },

                colorAxis: {

                    min: 0,

                    minColor: '#FFFFFF',

                    maxColor: Highcharts.getOptions().colors[0]

                },

                legend: {

                    align: 'right',

                    layout: 'vertical',

                    margin: 0,

                    verticalAlign: 'top',

                    y: 25,

                    symbolHeight: 280

                },

                tooltip: {

                    formatter: function() {

                        return '<b>' + this.series.xAxis.categories[this.point.x] + '</b> sold <br><b>' +

                            this.point.value + '</b> items on <br><b>' + this.series.yAxis.categories[this.point.y] + '</b>';

                    }

                },

                series: [{

                    name: 'Sales per employee',

                    borderWidth: 1,

                    data: [[0, 0, 10], [0, 1, 19], [0, 2, 8], [0, 3, 24], [0, 4, 67], [1, 0, 92],

                           [1, 1, 58], [1, 2, 78], [1, 3, 117], [1, 4, 48], [2, 0, 35], [2, 1, 15],

                           [2, 2, 123], [2, 3, 64], [2, 4, 52], [3, 0, 72], [3, 1, 132], [3, 2, 114],

                           [3, 3, 19], [3, 4, 16], [4, 0, 38], [4, 1, 5], [4, 2, 8], [4, 3, 117], [4, 4, 115],

                           [5, 0, 88], [5, 1, 32], [5, 2, 12], [5, 3, 6], [5, 4, 120], [6, 0, 13], [6, 1, 44],

                           [6, 2, 88], [6, 3, 98], [6, 4, 96], [7, 0, 31], [7, 1, 1], [7, 2, 82], [7, 3, 32],

                           [7, 4, 30], [8, 0, 85], [8, 1, 97], [8, 2, 123], [8, 3, 64], [8, 4, 84], [9, 0, 47],

                           [9, 1, 114], [9, 2, 31], [9, 3, 48], [9, 4, 91]],

                    dataLabels: {

                        enabled: true,

                        color: '#000000'

                    }

                }]

            });

        });

    </script>

</head>

<body>

    <div id="container"></div>

</body>

</html>

If you observe the above example, we created a heat map chart using highcharts library with required properties.

 

When we execute the above highcharts example, we will get the result like as shown below.

 

Highcharts Heat Map Chart Example Result

 

This is how we can create a heat map chart using highcharts library with required properties.

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