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 04:25:57 EDT (-0400)
  Re: Trouble with coincident surface in a CSG merge  
From: Sohcahtoa
Date: 6 Mar 2013 17:05:03
Message: <web.5137bd416a8d59d3b097553a0@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.


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