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

Dylan Beaudette dylan.beaudette at
Mon Aug 25 13:19:52 EDT 2008

On Monday 25 August 2008 08:59:33 am Paulo Marcondes wrote:
> 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.

Adding some more support behind geophysical routines / examples in GRASS, here 
is a simple post illustrating some work with magnetic data in GRASS. See the 
link to Stefan Maus' page for detailed descriptions and magnetic models.



Dylan Beaudette
Soil Resource Laboratory
University of California at Davis

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