Re: pfMorph

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Rob Jenkins (robj++at++quid)
Wed, 21 May 1997 21:53:48 -0700

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On May 21, 4:12pm, Tran cong Tam wrote:
> Subject: pfMorph
> Hi Performers,
>
> I am studying pfMorph with
>
> /usr/share/Performer/src/pguide/libpf/C/morph.c
>
> But I do not see: How it changes from Sphere to Cube ?
>
> Please, Can you show me where they do the transformation
> SPHERE to CUBE and inverse ?
>
> Thanks in advance for your helps.
>

The initMorph function has a loop which looks at each vertex in a sphere and
calculates which face of a cube it's closest too. breatheMorph() then cycles
back and forth combining the cube and sphere attributes with varing weights.
The pfMorph man page has a better explanation of the general case, if you apply
that to the example code it starts to make sense.

Cheers
Rob

-- 
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Rob Jenkins mailto:robj++at++csd.sgi.com
Silicon Graphics, Mtn View, California, USA
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