I tried on my side with a test scene with 1000 spheres..., but I have not seen
any changes either.
Sorry about that.
I guess the solution I suggested only works with a previous version of POV 3.0
or 2.2 ( I forgot, it was a long time ago).





> I'm not sure I follow you. Do you mean that you bounded the entire merge
> object? I tried that (with the "-ur" switch), and didn't see a noticeable
> change in render speed.
>
> BTW, I posted a picture of the brick wall on p.b.i.
>
> Regards,
> Dave
>

> news:3926B770.3CD55E5E@club-internet.fr...
> > I have had this problem once.
> >
> > Use 'merge' instead of 'union' and manually bound it with a bounded_by
>  sphere
> > or box } as closely as possible.
> >
> > POV will consider your wall as a single block and not as thousand of
> bricks.
> >
> > It worked when I had thousands of spheres to render. Hope it will for you
> too.
> >

> >
> >

> >
> > > I made a scene of a stone wall. The stones were created as individual
> > > objects (a couple hundred of 'em), and the scene rendered properly in
> about
> > > 30 minutes at 1024x768 resolution. I decided to make a single
> "BrickWall"
> > > object (using a macro) that was a union of all the individual stones,
> and
> > > suddenly it took almost NINE HOURS to render the same scene, although it
> > > looked the same! Did I do something wrong? Is there a solution to this
> > > problem? I would like to keep the union so that I can easily manipulate
> > > multiple stone walls in my scene.
> > >
> > > Regards,
> > > Dave
> >

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