to sum up, a cylinder where the top and the bottom faces has been
incurved...in the shape of a parabol

i did this by putting together 2 paraboloids and a cylinder...


"Trevor G Quayle" <Tin### [at] hotmailcom> wrote:
> > Thanks for your answer Trevor.
> > Yes i saw that face on and edge on the behavior looked fine.
> > Also  iknew there would be line of sight effect but i estimated they would
> > not be that big...
> >
> > i'm confused especially knowing that with a perfect cylinder (Cube in the
> > code), the media is nicely centered...playing with h_min value i can
> > transform my flared disc into a cylinder (or very very close
> > ), YET it shows a complete different behaviour from the cylinder...
> >
> >
> > jimmy
> >
> >
>
> I'm also not quite sure how you are constructing your object, especially
> with the 'open' in the cylinder and the 'clipped_by'.  What should the
> object you are trying to construct look like?
>
> -tgq

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