Heat map

author(s): Torstein Hønsi

by Black Label

HTML

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

<div id="container"></div>

CSS

.highcharts-figure,
.highcharts-data-table table {
    min-width: 360px;
    max-width: 800px;
    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', {
  chart: {
    type: 'heatmap',
    plotBorderWidth: 1
  },

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

  yAxis: {
    categories: ['Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday'],
    title: null,
    reversed: true
  },

  colorAxis: {
    dataClasses: [{
      from: 0,
      to: 50
    }, {
      from: 50,
      to: 100
    }, {
      from: 100,
      to: 150
    }],
    minColor: '#FFFFFF',
    maxColor: Highcharts.getOptions().colors[0]
  },

  series: [{
    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'
    }
  }]
});