POV-Ray : Newsgroups : povray.binaries.images : Crackle : Re: Crackle Server Time
30 Nov 2022 04:46:54 EST (-0500)
  Re: Crackle  
From: Alain Martel
Date: 11 Nov 2022 11:07:10
Message: <636e732e$1@news.povray.org>
Le 2022-11-11 à 09:55, Chris R a écrit :
> I like to use the crackle pattern for creating stone pavers for floors, rough
> stone walls, etc. I use the pattern to outline the stones in an isosurface, and
> then apply a texture on it.
> 
> This all works well if I want the stones to be of a uniform type, but I haven't
> found an effective way to do this when I want some variations in the types of
> stones.  I do something similar with brick walls and floors, but since bricks
> have a regular shape, I can use warp repeats to ensure that individual bricks
> have a consistent texture, but are randomized between bricks.
> 
> Has anyone come up with a trick to do something similar with irregular patterns
> like crackle?  I usually end up using some sort of random pigment pattern with
> the different textures I want to apply, (see the image below), and then
> scale/rotate/translate it to match the stones as best I can, but there is always
> bleeding between them.
> 
> -- Chris R.

Try using the same crackle, but the with solid modifier as the pigment.
Use a colour_map containing various orientations of a collection of 
patterns.
That way, you'll have a texture with a pattern matching that of the 
isosurface.


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