Hi,

I've been looking at the java3d specs and wondering how to design my
program that will have one portion of the scene "constant" and another
portion which may change "real-time" (during rendering.)  The changes
allowed must involve the insertion of new nodes, or objects.  When I
modify the scene rendering must continue and a "flicker" of any
kind is unaccpetable.

some question on how to accomplish this... I imagine the performance would
be better if instead of using the immediate or partial-immediate modes if
I could use one of the modes that renders through the scene-graphs.
Does anyone know how to go about modifying - creating and removing nodes - 
in a "live" scene graph?  If that is not possible, could I create a new
portion of the scene graph during real-time, and "swap" that new portion
in for the old one without any signs of flicker?  I'd like the best
performance possible.  I am seeking the advice of experienced java3d
programmers.

thanks a lot for any replys,
Jake

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