Wind rose

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/data.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">
        The wind rose chart is often used to visualize wind patterns. In this
        example, the chart shows the wind speed distribution. This is
        achieved with a polar stacked column chart.
    </p>
</figure>

<div id="data-table-container">
    <!-- Source: http://or.water.usgs.gov/cgi-bin/grapher/graph_windrose.pl -->
    <table id="freq" border="0" cellspacing="0" cellpadding="0">
        <tr nowrap bgcolor="#CCCCFF">
            <th colspan="9" class="hdr">Table of Frequencies (percent)</th>
        </tr>
        <tr nowrap bgcolor="#CCCCFF">
            <th class="freq">Direction</th>
            <th class="freq">&lt; 0.5 m/s</th>
            <th class="freq">0.5-2 m/s</th>
            <th class="freq">2-4 m/s</th>
            <th class="freq">4-6 m/s</th>
            <th class="freq">6-8 m/s</th>
            <th class="freq">8-10 m/s</th>
            <th class="freq">&gt; 10 m/s</th>
            <th class="freq">Total</th>
        </tr>
        <tr nowrap>
            <td class="dir">N</td>
            <td class="data">1.81</td>
            <td class="data">1.78</td>
            <td class="data">0.16</td>
            <td class="data">0.00</td>
            <td class="data">0.00</td>
            <td class="data">0.00</td>
            <td class="data">0.00</td>
            <td class="data">3.75</td>
        </tr>
        <tr nowrap bgcolor="#DDDDDD">
            <td class="dir">NNE</td>
            <td...

CSS

#data-table-container {
    display: none;
}

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);
}

.highcharts-figure,
.highcharts-data-table table {
    min-width: 360px;
    max-width: 660px;
    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

// Parse the data from an inline table using the Highcharts Data plugin
Highcharts.chart('container', {
    data: {
        table: 'freq',
        startRow: 1,
        endRow: 17,
        endColumn: 7
    },

    chart: {
        polar: true,
        type: 'column'
    },

    title: {
        text: 'Wind rose for South Shore Met Station, Oregon'
    },

    subtitle: {
        text: 'Source: or.water.usgs.gov'
    },

    pane: {
        size: '85%'
    },

    legend: {
        align: 'right',
        verticalAlign: 'top',
        y: 100,
        layout: 'vertical'
    },

    xAxis: {
        tickmarkPlacement: 'on'
    },

    yAxis: {
        min: 0,
        endOnTick: false,
        showLastLabel: true,
        title: {
            text: 'Frequency (%)'
        },
        labels: {
            format: '{value}%'
        },
        reversedStacks: false
    },

    tooltip: {
        valueSuffix: '%'
    },

    plotOptions: {
        series: {
            stacking: 'normal',
            shadow: false,
            groupPadding: 0,
            pointPlacement: 'on'
        }
    }
});