POV-Ray : Newsgroups : povray.binaries.images : Noise3d and Megapov 0.5 : Re: Noise3d and Megapov 0.5 Server Time
2 Oct 2024 02:18:40 EDT (-0400)
  Re: Noise3d and Megapov 0.5  
From: Moon47
Date: 20 Jun 2000 20:38:43
Message: <394EC004.AD34BECC@earthlink.net>
I like your fix much better... I miss the drastic affects made by the old
N3D... How does it work...? Will you be sharing the patch soon...?

Jerome wrote:

> As you all know, Nathan fixed noise3d in megapov 0.5 to get
> rid of the plateau effect. But his fix makes for radically
> different scenes (unless you modify your source to
> compensate). I'm suggesting another way to fix it that makes
> for much less difference in existing code.
>
> Pros:
> - the results are very similar to those of the old noise3d
> making for easier adaptation (in particular, any scene made
> with the original should render nearly the same unless it
> relied on the plateau effect).
>
> Cons:
> - it's slightly slower
> - the statistical distribution is heavily distorted (who
> cares?)
>
>         Attached are 3 pics:
> * noise3d isosurface rendered with megapov 0.4
> * the same rendered with my modified version of megapov 0.4
> * the same rendered with megapov 0.5
>
>         What do you think?
>
>                 Jerome
> --

> * Doctor Jekyll had something * mailto:ber### [at] inamecom
> * to Hyde...                  * http://www.enst.fr/~jberger
> *******************************
>
>   ------------------------------------------------------------------------
>  [Image]  [Image]  [Image]


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