Christoph Hormann <chr### [at] gmxde> wrote:
> Thorsten Froehlich wrote:
> > In article <c9vdmc$64c$1@chho.imagico.de> , Christoph Hormann
> > <chr### [at] gmxde> wrote:
> >
> >
> >>I really can't see a reason why one would try to use something like
> >
> >
> > I guess it is some program generating this output. As you apparently have
> > both 3.5 and 3.6 running, could you try to comment out one of the parameters
> > until you find the one interpreted differently?
>
> It seems to be the reflection 'exponent sqrt(2)'. Note i also get
> occasional render freezes (i.e. the render halts and the program can
> only be stopped by multiple CTRL-Cs) in 3.6 when using the fresnel
> reflection. Since i never had any problems with fresnel reflection
> before i assume this is something specific to this scene (i.e. the
> mesh). Lowering max_trace_level strongly or not using radiosity avoids
> this (so maybe the ray recursion handling of radiosity in combination
> with reflection does not work properly although i have rendered a lot of
> scenes with radiosity + reflection without problems).
>
> Christoph
>
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> Last updated 01 May. 2004 _____.//^>_*_<^/.______
Good morning folks!
Yes I too boiled it down to the 'exponent sqrt(2)'. the scene looks
fine as long as I use an exponent <= 1.0 in POVRay 3.6 .
Freezez? No, haven't come across those...
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