Polar (radar) chart

author(s): Torstein Hønsi

by Black Label

HTML

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

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

CSS

.highcharts-figure, .highcharts-data-table table {
    min-width: 320px; 
    max-width: 660px;
    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: {
    polar: true,
    type: 'scatter',
  },

  xAxis: {
    type: 'datetime',
    showLastLabel: true,
		min: 1616716800000,
		max: 1616716800000 + 1000 * 60 * 60 * 24,
		labels: {
			formatter: function(){
				return Highcharts.dateFormat('%H: %M', this.value);
			}
		}
  },
  time: {
    // useUTC: false
  },

  yAxis: {
    min: 0
  },

  /*    plotOptions: {
      series: {
        pointStart: 0,
        pointInterval: 45
      },
      column: {
        pointPadding: 0,
        groupPadding: 0
      } */


  series: [{
      data: [
        [1616718600000, 145],
        [1616721000000, 145],
        [1616721900000, 145],
        [1616722500000, 145],
        [1616736300000, 145],
        [1616738700000, 145],
        [1616738700000, 145],
        [1616739900000, 145],
        [1616739900000, 145],
        [1616740500000, 145],
        [1616742300000, 145],
        [1616742600000, 145],
        [1616742900000, 145],
        [1616742900000, 145],
        [1616762100000, 145],
        [1616762700000, 145],
        [1616763600000, 145],
        [1616763600000, 145],
        [1616763600000, 145],
        [1616763900000, 145],
        [1616763900000, 145],
        [1616763900000, 145],
        [1616764200000, 145],
        [1616764200000, 145],
        [1616764500000, 145],
        [1616764500000, 145],
        [1616764500000, 145],
        [1616764500000, 145],
        [1616764800000, 145],
        [1616764800000, 145],
        [1616764800000, 145],
        [1616765100000, 145],
        [1616765400000, 145],
        [1616765400000, 145],
        [1616765400000, 145],
        [1616765400000, 145],
        [1616765400000, 145],
        [1616765700000, 145],
        [1616765700000, 145],
        [1616765700000, 145],
        [1616766000000, 145],
        [1616766000000, 145],
        [1616766300000, 145],
        [1616766300000, 145],
        [1616766300000, 145],
        [1616766600000, 145],
        [1616767200000, 145],
 ...