|   Eye Class  An object of class Eye represents a/the virtual Eye point of 
          of the scene displayed. The main eye point object is created
	  on initialization and accessible using taccgl.stdEye.
       
	  In 3D/WebGL mode currently taccgl™ supports just this single eye. 
        
	  In 2D mode there can be additional eye points and it is possible 
	  to select an eye point per transition. Normally these eye points 
          differ in their origins. This feature is useful to overcome 
	  limitations imposed by the parallel projection used by 2D mode,
	  see Eye.setOrigin.
        New eye point objects can be created using createEye and Eye.clone.
           WebGL™ is a trademark of the Khronos Group Inc. 
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