have you seen any of the tutorials and utilities made for positioning
items on a height field?  i think there is something out there that can
define areas of height fields to be worked on.  i think it is genesis
toolkit found at www.rhein-ruhr.de/~schrammel/index.htm.  i'm not sure
it's usefull, but there you go.

Christoph Hormann wrote:
> 
> ryan constantine wrote:
> >
> > i think it depends on whether it is wind erosion or water erosion.  wind
> > rounds, water peaks.
> >
> 
> IMO this type of erosion is mainly caused by the changing temperatures
> destroying the structure of the material at the surface.  Of course water and
> wind are major factors for transportation of material.
> 
> > if you could define areas most and least likely to erode, that would be
> > cool.  for example, areas with a lot of ground cover don't erode as fast
> > as open areas.  dirt erodes faster than rock, etc.
> 
> That's a good idea, it is only a problem how to define those areas.
> 
> BTW, my code partly already does this, because it erodes more on steeper areas,
> where there is normally fewer vegetation.
> 
> Christoph
> 
> --
> Christoph Hormann <chr### [at] gmxde>
> Homepage: http://www.schunter.etc.tu-bs.de/~chris/

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