Chris Huff wrote:
> 
[...]
> 
> Yes, but they eventually get smoothed over by time and weather. Sharp
> points and steep sides shear off and the debris accumulates at the
> bottom, and the mountain becomes more hill-like and rounded.
> Your filter looks more like a "time machine", reversing the normal
> erosion process.
> 

It depends on the material, of course hillsides do not get infinitely steep, but
it can be quite extreme like in the attached photo.

Christoph

--
Christoph Hormann <chr### [at] gmxde>
Homepage: http://www.schunter.etc.tu-bs.de/~chris/

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