Lothar Esser wrote:
> 
> Dear Colleagues,
> 
>   I am planning to use povray to render a transparent object
> which
>   may contain several thousands of round ended cylinders. I
> noticed
>   that it is very slow and I am wondering if a change in the
> way
>   I generate the object might speed povray up. Since there
> are no
>   round ended cylinders as primitives in povray ( or at
> least I am
>   not aware of their existence ) I create them by merging a
> cylinder
>   and two spheres. In order to render everything correctly I
> have done
>   something like this:

::snip::

I think rendering a few thousand objects with transparency will take a
long time. Especially if they are overlapping, have reflection, or have
refraction... among other things. 

I'm kinda new to this as well, so don't quote me on that. Have you tried
rendering a few thousand of your objects with a simple texture? say just
a red pigment or something? That would give you a best case scenario for
a few thousand of your objects.

Ross

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"Treat the earth well: it was not given to you by
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We do not inherit the Earth from our Ancestors, we 
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