On Thu, 2005-07-14 at 13:37 -0500, Terry Welsh wrote:
> I'm not sure what you mean by Property. Is that OpenSGese? We didn't
> create any type of texture coordinate data structure. All we want is
> a pointer to the texture coordinate data structure already contained
> in our geometry. Our pointer to a 2-float data type (GeoTexCoordsPtr)
> is wrong, and our pointer to a 3-float data type (GeoTexCoords3fPtr)
> causes a crash.
Yeah, because the calcVertexTangents creates a 4D property. No clue why,
can anybody answer that?
So if you add
GeoTexCoords4fPtr tc4 = GeoTexCoords4fPtr::dcast(tex_coords);
if(tc4 == NullFC)
{
FWARNING(("texcoords not 4D!"));
return;
}
and use
OSG::Vec3f temp = tex_coords->getField().getValue(t);
to get the data things should work.
Yours
Dirk
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