"Kevin Ellis" <kev### [at] tiscalicouk> wrote in message
news:3b8d38bc@news.povray.org...
>
> 3. If I have both then the render goes at 0pps from the start - it is this
> that gives me the problems and I can't understand why.
>
> I tried manual bounding and that then helped the scene render quickly
until
> it got to the tree bounding box and then it went very slow as the tree
> doesn't like being bounded as a whole.
>
> I was just wondering why 3. happens as it is bugging me. BTW the clouds
are
> a difference of two spheres to make a shell. Dunno if that helps?

Why a CSG difference for the clouds instead of one sphere?  Is the cloud
object extremely large?
I couldn't say what might be a solution besides.

Bob H.

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