• derived nodes inherit all messages from their base classes
  
• creates a tracked transform from CAVE sensor 0
  
• added automatically to scene at startup unless the --noview option is used
  

constructor ygCAVEViewer

method reset

method app

1 if user and associated head are found then

1.1 get user navigation matrix
1.2 update navigation data
1.3 get user head matrix
1.4 update head sensor
1.5 get navigated head position

2 get CAVE head position
3 get CAVE head orientation
4 set the position and orientation of the transform

method setUser