[R] alpha shape function

[Pedroso MOACIR]

Hi all,

I want to approximate te shape of an area defined by a set of points.
The convex hull is not good enough, but I think that an alpha shape
would be fine. I did an RSiteSearch(),  google search, RSeek.org search,
looked at the CRAN Views, but was unable do find a function in R that
computes the alpha shape.  Does anyone know if there is such a function
in R?

Theank you very much.

Moacir Pedroso
Embrapa - Brazil