POV-Ray : Newsgroups : povray.binaries.scene-files : Tierra (LOTW) : Re: Tierra (LOTW) Server Time
1 Sep 2024 20:21:21 EDT (-0400)
  Re: Tierra (LOTW)  
From: Jaime Vives Piqueres
Date: 28 Jun 2004 13:31:29
Message: <40e055f1$1@news.povray.org>
Christoph Hormann wrote:
> What seems very inefficient to me is
> 
>   scale .001 warp{turbulence Terrain_Turb} scale 1000
>   scale .01 warp{turbulence Terrain_Turb} scale 100
>   scale .1 warp{turbulence Terrain_Turb} scale 10
>   scale 10 warp{turbulence Terrain_Turb} scale .1
>   scale 100 warp{turbulence Terrain_Turb} scale .01
>   scale 1000 warp{turbulence Terrain_Turb} scale .001
> 
> since turbulence warps already introduce different scales of turbulence 
> (how many is influenced by 'octaves').  So by having 6 warps with a 
> scaling factor of 10 in between you overlay a lot of turbulences of 
> equal scale which is unnecessary.

   Hmmm... you got me: I didn't really understand how turbulence works. 
Do you mean that I only need 1 warp, but with higher octaves, so the 
turbulence will affect the pattern at higher scales?

--
Jaime


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