Python Multi Series Range Spline Area Chart using Django

Download Python Django Chart Samples

Example shows Python Multi Series Range Spline Area Chart. It also includes Django source-code that you can try running locally.

<!-- index.html -->
{% load static %}
<html>
<head>
<title>CanvasJS Python Charts</title>
<script>
  window.onload = function () {
    var chart = new CanvasJS.Chart("chartContainer", {
      title: {
        text: "Min/Max Temperature Comparison"
      },
      theme: "light2",
      axisY: {
        valueFormatString: "#0.##°C",
        title: "Temperature (°C)"
      },
      axisX: {
        interval: 1,
        intervalType: "month",
        valueFormatString: "MMM"
      },
      toolTip: {
        shared: true
      },
      legend: {
        //dockInsidePlotArea: true,
        verticalAlign: "top",
        cursor: "pointer",
        itemclick: hideUnhideDataSeries
      },
      data: [{
          type: "rangeSplineArea",
          name: "Doha",
          showInLegend: true,
          legendText: "Doha, QA",
          yValueFormatString: "#0.##°C",
          xValueFormatString: "MMM YYYY",
          xValueType: "dateTime",
          markerSize: 0,
          content: "<b>{name}</b> Min: {y[0]}, Max: {y[1]}",
          dataPoints: {{ doha_weather_data|safe }}
      },{
          type: "rangeSplineArea",
          name: "Manchester",
          showInLegend: true,
          legendText: "Manchester, UK",
          yValueFormatString: "#0.##°C",
          xValueFormatString: "MMM YYYY",
          xValueType: "dateTime",
          markerSize: 0,
          content: "<b>{name}</b> Min: {y[0]}, Max: {y[1]}",
          dataPoints: {{ machester_weather_data|safe }}
      }]
    });
    chart.render();

    function hideUnhideDataSeries(e) {
      if (typeof (e.dataSeries.visible) === "undefined" || e.dataSeries.visible) {
        e.dataSeries.visible = false;
      } else {
        e.dataSeries.visible = true;
      }
      e.chart.render();
    }
  }
</script>
</head>
<body>
    <div id="chartContainer" style="width: 100%; height: 360px;"></div>
    <script src="{% static 'canvasjs.min.js' %}"></script>
</body>
</html>                              
from django.shortcuts import render

def index(request):
    machester_weather_data = [
        { "x": 1609459200000, "y": [-5.889, 12] },
        { "x": 1612137600000, "y": [-5.278, 15] },
        { "x": 1614556800000, "y": [-3, 21] },
        { "x": 1617235200000, "y": [-4.278, 19] },
        { "x": 1619827200000, "y": [-1.389, 23] },
        { "x": 1622505600000, "y": [3.222, 27] },
        { "x": 1625097600000, "y": [8, 38] },
        { "x": 1627776000000, "y": [6.111, 23] },
        { "x": 1630454400000, "y": [4.778, 28] },
        { "x": 1633046400000, "y": [1.5, 21] },
        { "x": 1635724800000, "y": [-5.389, 16] },
        { "x": 1638316800000, "y": [-2.222, 15] }
    ]

    doha_weather_data = [
        { "x": 1609459200000, "y": [7, 29.889] },
        { "x": 1612137600000, "y": [9.5, 32] },
        { "x": 1614556800000, "y": [12.278, 41.5] },
        { "x": 1617235200000, "y": [13, 41.722] },
        { "x": 1619827200000, "y": [21, 47] },
        { "x": 1622505600000, "y": [23.611, 48.111] },
        { "x": 1625097600000, "y": [25.111, 48.222] },
        { "x": 1627776000000, "y": [27.722, 48] },
        { "x": 1630454400000, "y": [22.611, 46.111] },
        { "x": 1633046400000, "y": [19.278, 41.722] },
        { "x": 1635724800000, "y": [15.389, 36.611] },
        { "x": 1638316800000, "y": [11.889, 31.111] }
    ]

    return render(request, 'index.html', { "machester_weather_data" : machester_weather_data, "doha_weather_data": doha_weather_data })

Chart Customizations

You can customize the color of legend markers & it's border using legendMarkerColor & legendMarkerBorderColor properties. Also, the type of the marker can be changed by setting the legendMarkerType.