Re: Bounding Box Question

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Scott Herod (herod++at++aspen.evt.com)
Thu, 02 Sep 1999 13:26:24 -0600

Hi Bob,

Do you by chance scale the object with a DCS by explicitly setting
a matrix for the DCS? I think that if give a DCS a matrix using
dcs->setMat( matrix ) but do not include PFMAT_SCALE in a call
to dcs->setMatType then the bounding sphere for the object is not
scaled. This is still true even if you set PFMAT_NONORTHO in the
setMatType call.

Scott Herod
scott++at++evt.com

'Bwana' Bob Buckley wrote:
>
> I have a line strip pfGeoSet that makes up a circle. The vertices are in
> the xz plane, hence, all y values are all the same. The bounding volume
> is correctly computed based upon the vertices, but when the origin of
> the pfGeoSet goes outside the viewing volume, it gets culled. Why is it
> getting culled and how do I get it to cull properly?
>
> Thanks.
>
> >

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