"Peter Popov" <pet### [at] vipbg> wrote in message
news:eij0it4s735a2vhe6u21nsoq0a8p2qnhq5@4ax.com...
> On Thu, 7 Jun 2001 22:03:24 +0100, "george ferguson"
> <geo### [at] ferguson123freeservecouk> wrote:
>
> >> In Moray the Group and the Union are identical as far as exported POV
> >> code goes.
> >
> >If this is the case why is there basically two groups but one doesn't
accept
> >splines or non-primitives...it doesnt make sense
>
> A group is a MoRay concept. IIRC you can place anything in a group -
> camera, lights, etc. OTOH a union is a POV-Ray CSG concept, an 'or' in
> boolean terms. Some of MoRay's primitives do not exist in POV-Ray and
> MoRay converts them into POV-Code, but I guess they can't be used in a
> union within MoRay simply because they are not POVish. MoRay converts
> groups to unions anyway so I think Lutz left the union in for clarity.
> As of merge, it's like a union without inner surfaces.
>
>
> Peter Popov ICQ : 15002700
> Personal e-mail : pet### [at] vipbg
> TAG      e-mail : pet### [at] tagpovrayorg

thanks for making sense of that ;-)

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