POV-Ray : Newsgroups : povray.newusers : strange behaviour of difference function : Re: strange behaviour of difference function Server Time
30 Jul 2024 06:18:57 EDT (-0400)
  Re: strange behaviour of difference function  
From: Maurice
Date: 12 Sep 2004 15:39:33
Message: <4144a5f5@news.povray.org>
Slime wrote:
>>Please notice that there is a part of the object's shadow missing.
>>Question 1 is: where did it go?
>>Question 2 is: how to get this fixed?
>[...}
> Normally this is a helpful speedup, but in this case it's causing problems.
> To force POV-Ray to look for more than one intersection, use the max_trace
> keyword with an integer for how many intersections to find. In this case
> max_trace 3 should work.
> 
> You can also use the all_intersections keyword which is essentially
> "max_trace infinity".
> 
> This is explained in the documentation at the end of "3.4.4  Isosurface
> Object".


all_intersections does the job. Thanks.


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