[Freegis-list] GPS data processing

[Bernhard Reiter]

On Mon, Jun 07, 2004 at 08:36:34PM +0200, Bernhard Reiter wrote:
> On Mon, Jun 07, 2004 at 08:00:51PM +0200, Nils Faerber wrote:
> > Am Mo, den 07.06.2004 schrieb Bernhard Reiter um 18:56:

> > Concerning the polygons I searched for some solution to create those
> > from GPS data.
> > In most cases you will have GPS tracks that could be converted to
> > polygons - at least in theory. The trick is the "how-to" which I have
> > not yet found.
> 
> Ah, now that question is a lot better, 
> because it goes more to the point.
> It seems that somebody should make a shapefile backend for gpsbabel
> or OGR to convert some of the GPS formats in GIS formats.
> Usually the textfiles are so simple that for real purposes
> someone would write a small import script, e.g. using pyshapelib.
> 
> > Interestingly for example GRASS has a digitizer option for some misc
> > graphics tablets but AFAIK no GPS data import. And I was also not able
> > to find any tool to convert GPS track data of any form into something
> > that some package like GRASS would be able to postprocess.
> 
> There once was s.in.gps, but I did not look up what happend to it.

You could try v.in.garmin.sh for GRASS 5.3.
Check: http://grass.itc.it/gdp/html_grass5/html/v.in.garmin.sh.html

Also Hamish seems to have development a real-time tracking:
http://grass.itc.it/pipermail/grassuser/2003-November/010780.html
(Further questions on that should better go to the GRASS lists. :) )

On my wishlist would be a plugin for Thuban to operate gpsbabel.

Bernhard

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