       <p><%= annotationType %></p>
       <p>DataSet: <%= dataSetName %></p>
       <p>Viewport width: <%= chooseUnit(zoomLevel) %></p>
+      <p>Total number of trees: <%= treeCount %></p>
     </div>
   """)
 


    @model.flycam3d.off("changed")
    @model.flycam.off("zoomStepChanged")


    return {
      annotationType : @model.get("tracingType")
      zoomLevel : @calculateZoomLevel()
      dataSetName : @model.get("dataset").get("name")
      treeCount : @model.skeletonTracing.trees.length
    }


