Geophysics functions [was Re: [GRASS-user] use pi number]

Paulo Marcondes paulomarcondes at
Mon Aug 25 11:59:33 EDT 2008

2008/8/23 Paulo Marcondes <paulomarcondes at>:

> I have been interested in implementing potential fields function in
> GRASS since long,
> but I don't have the necessary background (I mean, I don't know the
> equations) or the coding skills.

As for gravity equations, the Geological Survey of Canada has a
informative page:

However, we still don't have an answer to this:
> I would like to know where all these geophysics modules would fit.
> I guess not in the i.* series, maybe in r.grav.* for gravity
> data/functions or r.mag.* for magnetometry data.

What do you think?
Paulo Marcondes = PU1/PU2PIX
-22.915 -42.224 = GG86jc

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