Setting min height for columns in stackedColumn Chart - CanvasJS JavaScript Charts

Setting min height for columns in stackedColumn 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 minValue = 5;

var chart = new CanvasJS.Chart("chartContainer", {
  title:{
    text: "Setting minValue for dataPoints with zero values"
  },
  axisX: {
  	interval: 1
  },
  data: [
  {
    type: "stackedColumn",
    dataPoints: [
      { y: 10 },
      { y: 40 },
      { y: 20 },
      { y: 22 },
      { y: 32 },
      { y: 99 }
    ]
  },  {
    type: "stackedColumn",
    dataPoints: [
      { y: 50 },
      { y: 0 },
      { y: 50 },
      { y: 79 },
      { y: 50 },
      { y: 0 }
    ]
  }
  ]
});
setMinValue();
chart.render();

function setMinValue() {
  var data = chart.options.data;
  for(var i = 0; i < data.length; i++) {
    for(var j =0; j < data[i].dataPoints.length; j++) {
      if(data[i].dataPoints[j].y === 0) {
        data[i].dataPoints[j].color = "gray";
        data[i].dataPoints[j].y = minValue;
        data[i].dataPoints[j].toolTipContent = "{x}: 0";        
      }
    }
  }
}