POV-Ray : Newsgroups : povray.general : no_image ignored in nested (difference > union > object) CSG member : Re: no_image ignored in nested (difference > union > object)CSGmember Server Time
20 Apr 2024 09:51:01 EDT (-0400)
  Re: no_image ignored in nested (difference > union > object)CSGmember  
From: Alain Martel
Date: 25 Mar 2020 14:04:08
Message: <5e7b9d18$1@news.povray.org>
Le 2020-03-25 à 13:11, William F Pokorny a écrit :

> -----------
> The interior{} and subsurface{}(1) object and finish modifier block 
> results, respectively, vary where definitions are part of components 
> making up any given csg.
> 
> 
> The disclaimer here is I've not created but a half dozen test cases to 
> verify behavior. With the no_* and hollow keywords confident without 
> testing. Anyway, I think I have the behaviors through csg mostly right...
> 
> Bill P.

In the case of subsurface, if the distance between two surface is 
similar or smaller than the translucency value, then, we start to see 
through the object. In a CSG, if the back surface don't have a similar 
translucency, you can expect some unexpected results.


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