<!-- Include the CanvasXpress library in your HTML file -->
<link rel="stylesheet" href="https://www.canvasxpress.org/dist/canvasXpress.css" type="text/css"/>
<script src="https://www.canvasxpress.org/canvasXpress.min.js"></script>


<!-- Create a canvas element for the chart with the desired dimensions -->
<div>
  <canvas id="canvasId" width="600" height="600"</canvas>
</div>


<!-- Create a script to initialize the chart -->
<script>

  <!-- Create the data for the graph -->
  var data = {
     "x" : {
        "Annot1" : ["A","B","C","A","B","C","A","B","C","A","B","C","A","B","C","A"],
        "Annot2" : [5,10,15,20,25,30,35,40,40,35,30,25,20,15,10,5],
        "Level1" : ["L1.1","L1.1","L1.1","L1.1","L1.2","L1.2","L1.2","L1.2","L1.3","L1.3","L1.3","L1.3","L1.4","L1.4","L1.4","L1.4"],
        "Level2" : ["L2.1","L2.1","L2.2","L2.2","L2.1","L2.1","L2.2","L2.2","L2.1","L2.1","L2.2","L2.2","L2.1","L2.1","L2.2","L2.2"],
        "Level3" : ["L3.1","L3.2","L3.1","L3.2","L3.1","L3.2","L3.1","L3.2","L3.1","L3.2","L3.1","L3.2","L3.1","L3.2","L3.1","L3.2"]
     },
     "y" : {
        "data" : [
          [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16]
        ],
        "smps" : ["A","B","C","D","E","F","G","H","I","J","K","L","M","N","O","P"],
        "vars" : ["Order"]
     }
  }
  
  
  <-- Create the configuration for the graph -->
  var config = {
     "graphType":"Tree",
     "hierarchy":[
        "Level1",
        "Level2",
        "Level3"
     ],
     "showTransition":"true",
     "title":"Collapsible Tree"
  }
  

  <!-- Call the CanvasXpress function to create the graph -->
  var cX = new CanvasXpress("canvasId", data, config);


</script>