In article <397DA45B.6514AB60@my-dejanews.com>, 
gre### [at] my-dejanewscom wrote:

> I've always hated heightfields (read: never gotten good with them).
> 
> I think humanity would ultimately be served by someone figuring out an
> algorithmic, mathematical way to "erode" a smooth rolling isosurface.

Maybe some kind of filter for 3df files? You could then use the 3df file 
as input for a pigment function for the isosurface.

-- 
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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