POV-Ray : Newsgroups : povray.advanced-users : Quiz : Re: Solution Server Time
29 Jul 2024 10:28:46 EDT (-0400)
  Re: Solution  
From: Micha Riser
Date: 30 May 2002 16:44:51
Message: <3cf68f43@news.povray.org>
Warp wrote:

> Micha Riser <mri### [at] gmxnet> wrote:
>> This has the consequence that a double-inverted union results in a merge!
> 
>   If you think about it, that's exactly the correct behaviour.

I never said there was anything wrong. 

> 
>   An inverted union is everything outside the union. Now the "outside"
> is everything that was "inside" the union. "Outside" doesn't have any
> surfaces in it, but it's just empty space. Inverting a union implicitly
> "removes" all the inner surfaces (because they are not inner anymore).

Hmm, I better like the idea that there is no correct inversion of unions.

- MIcha


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