POV-Ray : Newsgroups : povray.newusers : mirrored parametric object : Re: mirrored parametric object Server Time
28 Jul 2024 12:30:01 EDT (-0400)
  Re: mirrored parametric object  
From: sven zenker
Date: 24 May 2009 16:00:01
Message: <web.4a19a6f027440a0bf098e2190@news.povray.org>
"clipka" <nomail@nomail> wrote:
> "sven.zenker" <sve### [at] gmailcom> wrote:
> > gives a sphere, but with incorrect reflections (only a few colored
> > points/stripes)...
> >
> > Any hints much appreciated!
>
> Having just tested this with POV-Ray 3.6 (actually MegaPOV 1.2.1, but that
> shouldn't change a thing here), I agree that this really looks bogus (well, the
> comparison with a sphere shows that it definitely *is* bogus), and I'm quite
> sure that this is a bug.
>
> The good news is that POV-Ray 3.7.0.beta.32 does not seem to have it. With that
> version, I found virtually no difference between the sphere and the parametric
> (except for some slight jitter effects).
>
> So you may want to try the current 3.7 beta for your experiments. POV-Ray 3.6,
> at any rate, obviously isn't a reliable tool for your purposes.

Hi clipka,
thanks for your help, so at least this issue isn't due to some misunderstanding
on my side...
I tried building the 3.7 beta on my laptop (SuSE 10.3 64bit), but wasn't able to
out of the box (using Boost 1.37 + devel packages from the Packman repos, I get
some linking errors apparently connected to either Boost threads or
libpthread). Currently have no time to look into this in detail, so this'll
have to wait till I get around to trying it on my OpenSuse 11.1 workstation,
hopefully with better luck).
Again, thanks a lot for your help!
-Sven


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