POV-Ray : Newsgroups : povray.unofficial.patches : Megapov 0.4 height field problem : Re: Megapov 0.4 height field problem Server Time
2 Sep 2024 08:14:01 EDT (-0400)
  Re: Megapov 0.4 height field problem  
From: Nathan Kopp
Date: 4 Apr 2000 08:24:05
Message: <38e9dee5$1@news.povray.org>
Gilles Tran <tra### [at] inapginrafr> wrote...
> It seems that I've come across the height-field related problem that
> cause Megapov to loop indefinitely in some cases. In a picture I'm
> working on, Megapov stops every 100 lines or so...
> I know that Nathan has found a fix for it (see his message from Feb, 7
> titled "Re:Height field Krach") , but is there a workaround for this in
> the current version ? I've tried removing the light buffers (-UL), to no
> avail. There are other alternate or even drastic solutions (like
> removing the offending height-field...), but I'd rather go for a proven
> one before spending time in testing !

Moving the height field or camera slightly (a small fraction of a unit)
might fix the problem, since it is caused by a floating-point precision
error.

-Nathan


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