> I don't think that simple primitives have the solution.  There must be
some
> way of creating quadratic type surfaces without having a discrete mesh.
> Perhaps isosurfaces could be accomodated, but I would think that would
come
> at great CPU expense.
>
Just a furrther thought here.
I don't know how the vertices and normals are interpolated for a triangle,
but if it is a simple surface that can be described using some type of
equation, then perhaps that equation can be put into an isosurface function.
Anyone up for that?

-tgq

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