POV-Ray : Newsgroups : povray.general : Trouble with coincident surface in a CSG merge : Re: Trouble with coincident surface in a CSG merge Server Time
29 Jul 2024 04:18:49 EDT (-0400)
  Re: Trouble with coincident surface in a CSG merge  
From: Alain
Date: 6 Mar 2013 20:46:00
Message: <5137f158@news.povray.org>

> Christian Froeschlin <chr### [at] chrfrde> wrote:
>> Sohcahtoa wrote:
>>
>>> I tried making each water block slightly large (1.02 blocks wide), but this
>>> creates odd seams at the surface of the water.
>>
>> If I understand correctly what your are doing, you get a 0.04
>> unit wide strip of coincident surfaces at the top (and bottom)
>> of the surface where those faces overlap slightly
>>
>> So you may need to introduce 4 heights/levels for each group
>> of four neighboring cubes (you can try a checker-board pattern
>> first to see if this is the cause of the problem but it will
>> still have overlapping corners).
>
> Yeah, I did a checkerboard pattern of two heights and it fixed the problem.
> Oddly enough, I don't have any coincident surface artifacts at the corners like
> I would expect.
>
>
As those are small, only 0.04 squares, you may miss them easily.


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