Creating Semi Circular Pie Chart - CanvasJS JavaScript Charts

Creating Semi Circular Pie Chart - CanvasJS JavaScript Charts

by canvasjs

HTML

<script src="https://canvasjs.com/assets/script/canvasjs.min.js"></script>
<br/><!-- Just so that JSFiddle's Result label doesn't overlap the Chart -->

<div id="chartContainer" style="height: 360px; width: 100%;"></div>

JavaScript

var chart = new CanvasJS.Chart("chartContainer",
	{
        
      data: [
      {
        type: "pie",
        dataPoints: [
        { y: 71 },
        { y: 55},
        { y: 50 },
        { y: 65 },
        { y: 95 },
        ]
      }
      ]
    });

convertToHalfPie(chart);
chart.render();


function convertToHalfPie(chart){
    var sum = 0;
    var dataPoints = chart.options.data[0].dataPoints;
    
    for(var i = 0; i < dataPoints.length; i++){
        sum += dataPoints[i].y;
    }
    
    dataPoints.splice(0, 0, {y: sum, color: "transparent", toolTipContent: null});
}