Gauge with dual axes

author(s): Torstein Hønsi

HTML

<script src="https://code.highcharts.com/highcharts.js"></script>
<script src="https://code.highcharts.com/highcharts-more.js"></script>
<script src="https://code.highcharts.com/modules/exporting.js"></script>
<script src="https://code.highcharts.com/modules/export-data.js"></script>
<script src="https://code.highcharts.com/modules/accessibility.js"></script>

<figure class="highcharts-figure">
    <div id="container"></div>
    <p class="highcharts-description">
        Chart showing multiple axes with a gauge series. The axes are positioned
        to display an outer and inner axis. The chart is dynamically updated
        every few seconds with a new value.
    </p>
</figure>

CSS

body {
    font-family:
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        Roboto,
        Helvetica,
        Arial,
        "Apple Color Emoji",
        "Segoe UI Emoji",
        "Segoe UI Symbol",
        sans-serif;
    background: var(--highcharts-background-color);
    color: var(--highcharts-neutral-color-100);
}

#container {
    height: 400px;
}

.highcharts-figure,
.highcharts-data-table table {
    min-width: 310px;
    max-width: 500px;
    margin: 1em auto;
}

.highcharts-data-table table {
    font-family: Verdana, sans-serif;
    border-collapse: collapse;
    border: 1px solid var(--highcharts-neutral-color-10, #e6e6e6);
    margin: 10px auto;
    text-align: center;
    width: 100%;
    max-width: 500px;
}

.highcharts-data-table caption {
    padding: 1em 0;
    font-size: 1.2em;
    color: var(--highcharts-neutral-color-60, #666);
}

.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 tbody tr:nth-child(even) {
    background: var(--highcharts-neutral-color-3, #f7f7f7);
}

.highcharts-description {
    background: light-dark(#f2f6f2, #323232);
    border-radius: 0 4px 4px 0;
    border-left: 2px solid light-dark(#1d6aff, #fff);
    font-size: 0.8rem;
    font-style: italic;
    padding: 8px 16px;
    margin: 2em 10px 1em;
}

JavaScript

Highcharts.chart('container', {

    chart: {
        type: 'gauge',
        alignTicks: false,
        plotBackgroundColor: null,
        plotBackgroundImage: null,
        plotBorderWidth: 0,
        plotShadow: false
    },

    title: {
        text: 'Speedometer with dual axes'
    },

    pane: {
        startAngle: -150,
        endAngle: 150,
        background: [{
            outerRadius: '105%',
            innerRadius: 0,
            shape: 'circle'
        }]
    },

    yAxis: [{
        min: 0,
        max: 200,
        lineColor: '#2caffe',
        tickColor: '#2caffe',
        minorTicks: true,
        minorTickColor: '#2caffe',
        minorTickWidth: 1,
        minorTickPosition: 'inside',
        tickWidth: 2,
        offset: -25,
        lineWidth: 2,
        labels: {
            distance: -45,
            rotation: 'auto'
        },
        tickLength: 5,
        minorTickLength: 5,
        endOnTick: false
    }, {
        min: 0,
        max: 124,
        tickPosition: 'outside',
        lineColor: '#d66',
        lineWidth: 2,
        minorTicks: true,
        minorTickLength: 5,
        minorTickColor: '#d66',
        minorTickWidth: 1,
        tickColor: '#d66',
        tickWidth: 2,
        tickLength: 5,
        labels: {
            distance: -8,
            rotation: 'auto'
        },
        offset: -20,
        endOnTick: false
    }],

    series: [{
        name: 'Speed',
        data: [80],
        dataLabels: {
            format: '<span style="color:#2caffe">{y} km/h</span><br/>' +
                '<span style="color:#d66">{(multiply y 0.621):.0f} mph</span>',
            style: {
                textOutline: 'none',
                fontSize: '1.2em'
            }
        },
        tooltip: {
            valueSuffix: ' km/h'
        }
    }]

},
// Add some life
function (chart) {
    setInterval(function () {
        if (chart.axes) { // not destroyed
            const point = chart.series[0].points[0],
                inc...