In article <39954523.5752D334@kivisalo.net>, Kari Kivisalo 
<kar### [at] kivisalonet> wrote:

> I like to think this as a simple electrical potential, so it can
> be extented to 3d. Time and memory consumption would be too high
> with the iterative method currently used. FFT would be more efficient
> way to solve the potential field. I have to think about this :)
> 
> Just as in 2d the input and solution would be discrete. In 3d
> that would be discrete volumes of densities. I can see this
> had media applications but not sure if it can be used for surface
> generation, maybe with isosurface functions.

This looks like it could be a useful enhancement for the proximity 
pattern(it could solve the grainyness problem)...or something to be 
applied to any pattern. Could you give more details on how you calculate 
it? I didn't see an in-depth explanation on the site.

-- 
Christopher James Huff - Personal e-mail: chr### [at] maccom
TAG(Technical Assistance Group) e-mail: chr### [at] tagpovrayorg
Personal Web page: http://homepage.mac.com/chrishuff/
TAG Web page: http://tag.povray.org/

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