picking and translating..

[K.R.Subramanian]

I need to be able to pick and move certain groups of actors in my
application.  Is
there a way to identify actors (say a unique id), so that I know which
actor got picked?
Based on this, I can figure out which group of actors need to be moved.

I assume vtkPicker identifies only  the closest actor to the vector from
the display point
into the 3d world.  I could always subclass and add an id, but I was
wondering if there
was a better way..

Thanks.

    -- krs

--
K.R.Subramanian                           Phone: (704) 547-4872
Department of Computer Science            FAX:   (704) 547-3516
UNC Charlotte, 228A Kennedy
9201 Univ. City Blvd.                     Email: krs at cs.uncc.edu
Charlotte, NC 28223-0001                  WWW: http://www.cs.uncc.edu/~krs


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