POV-Ray : Newsgroups : povray.binaries.images : Sand : Re: Sand Server Time
2 Aug 2024 10:28:00 EDT (-0400)
  Re: Sand  
From: Thomas de Groot
Date: 24 Nov 2007 04:16:25
Message: <4747ebe9$1@news.povray.org>
"Trevor G Quayle" <Tin### [at] hotmailcom> schreef in bericht 
news:web.47470378ee83a16cc150d4c10@news.povray.org...
> Looking pretty good.  Sand can be a difficult thing to simulate.  God idea
> trying some SSS with it.
>
> A few things you can try too.
> -as stated before, maybe don't use a uniform colour, but have a patterned
> varition as real sand tends to be
> -maybe try different normal types: instead of granite or bumps, you may 
> get
> better result using either a solid crackle, or cells pattern.  This will 
> give
> you flat surfaces with varying normals, and sharp transitions betwen 
> rather
> than the continuous transitions of other types.  You can also colour (or
> texture) map in cordination with the pattern used.  You may need good AA 
> though
> to get nice results.
>
> keep up the good work.
>


With the example William provided above, the cells pattern gives an 
excellent result!

Thomas


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