Andrea Ryan wrote in message <396A333F.8A101D00@global2000.net>...
>Can a routine be made to do wind erosion?  Desert landscapes could be made
with
>these mushroom shaped rocks that get eroded more at the bottom.  However,
I'm not
>sure if that can be done with height fields.
>Brendan


It can't be done with a heightfield, but a .df3-based isosurface would work
quite well for this.

Mark

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