Re: Partial Object Display

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Torres Mario 678-3280 AMSRL-BE-M (mtorres++at++arl.mil)
Tue, 29 Aug 95 8:39:03 MDT

>
> To: Performerites or (pfVictims)
>
> I am converting a strictly gl application to Performer that has
> a complex object - namely a several thousand element line-drawn tunnel-in-
> the-sky. In gl, I've had full control of whether I show the whole
> object or just the portion that is so many feet out in front of an aircraft.
> I wonder if I can efficiently construct a complex object in Performer that
> can be shown piecemeal or whether I will have to still do it in "gl".
> Any ideas??
>
   
  You should have no problem recreating this in Performer just like you
did in gl. Performer supports the geometry sets just like gl. As far as
showing off portions you may use the Level of detail functions or simply
(I think better method) break up your large geometry set into any number
of groups and display them as needed. Another tool is to use the far
clipping plane to adjust what is seen.
  
  Mario A. Torres
  STC ++at++ ARMY Research Lab.

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