Area-spline

author(s): Torstein Hønsi

by KSK Kushwah

HTML

<script src="https://code.highcharts.com/highcharts.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">
        This demo shows a smoothed area chart with an x-axis plot band
        highlighting an area of interest at the last two points. Plot bands
        and plot lines are commonly used to draw attention to certain areas or
        thresholds.
    </p>
</figure>

CSS

#container {
    height: 400px; 
}

.highcharts-figure, .highcharts-data-table table {
    min-width: 310px; 
    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: 'areaspline'
    },
    title: {
        text: 'Average fruit consumption during one week'
    },
    legend: {
        layout: 'vertical',
        align: 'left',
        verticalAlign: 'top',
        x: 150,
        y: 100,
        floating: true,
        borderWidth: 1,
        backgroundColor:
            Highcharts.defaultOptions.legend.backgroundColor || '#FFFFFF'
    },
    xAxis: {
        categories: [
            'Monday',
            'Tuesday',
            'Wednesday',
            'Thursday',
            'Friday',
            'Saturday',
            'Sunday'
        ],
        plotBands: [{ // visualize the weekend
            from: 4.5,
            to: 6.5,
            color: 'rgba(68, 170, 213, .2)'
        }]
    },
    yAxis: {
        title: {
            text: 'Fruit units'
        }
    },
    tooltip: {
        shared: true,
        valueSuffix: ' units'
    },
    credits: {
        enabled: false
    },
    plotOptions: {
        areaspline: {
            fillOpacity: 0.5
        }
    },
    series: [{
        name: 'John',
        data: [3, 4, 3, 5, 4, 10, 12]
    }, {
        name: 'Jane',
        data: [1, 3, 4, 3, 3, 5, 4]
    }]
});