Tree Chart

A tree graph is a network structure. It is constituted of a root node that gives birth to several nodes connected by edges or branches.


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<head>
  <!-- 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/dist/canvasXpress.min.js"></script>
</head>

<body>

  <!-- 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 = {
       "colorBy":"Annot1",
       "graphType":"Tree",
       "hierarchy":[
          "Level1",
          "Level2",
          "Level3"
       ],
       "legendKeyBackgroundBorderColor":"rgba(255,255,255,0)",
       "legendKeyBackgroundColor":"rgba(255,255,255,0)",
       "showTransition":true,
       "title":"Collapsible Tree"
    }
    

    // Call the CanvasXpress function to create the graph
    var cX = new CanvasXpress("canvasId", data, config);


  </script>

</body>
library(canvasXpress)
y=read.table("https://www.canvasxpress.org/data/cX-tree-dat.txt", header=TRUE, sep="\t", quote="", row.names=1, fill=TRUE, check.names=FALSE, stringsAsFactors=FALSE)
x=read.table("https://www.canvasxpress.org/data/cX-tree-smp.txt", header=TRUE, sep="\t", quote="", row.names=1, fill=TRUE, check.names=FALSE, stringsAsFactors=FALSE)
canvasXpress(
  data=y,
  smpAnnot=x,
  colorBy="Annot1",
  graphType="Tree",
  hierarchy=list("Level1", "Level2", "Level3"),
  legendKeyBackgroundBorderColor="rgba(255,255,255,0)",
  legendKeyBackgroundColor="rgba(255,255,255,0)",
  showTransition=TRUE,
  title="Collapsible Tree"
)