Area-spline

author(s): Torstein Hønsi

by Rajesh Danabal

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,
      dataLabels: {
        enabled: true,
      	align: "left"
      }
    }
  },
  series: [{
    name: 'John',
    data: [3, 4, 3, 5, 4, 10, 12]
  }, {
    name: 'Jane',
    data: [1, 3, 4, 3, 3, 5, 4]
  }]
});