[GRASS-user] gps import: definition of WGS84

Nikos Alexandris nikos.alexandris at felis.uni-freiburg.de
Fri May 23 13:37:44 EDT 2008

On Fri, 2008-05-23 at 19:12 +0200, Moritz Lennert wrote:
> However, when I try to use QGIS (or gvSIG) with on-the-fly
> projection, 
> defining the projection of my tracks/points as EPSG 4326 (and I've
> tried 
> a few others), or as a custom projection defined as
> +proj=longlat +towgs84=0.000,0.000,0.000 +ellps=WGS84
> my topo map projection as 31370, and my project/view projection as 
> 31370, I always see my GPS data several tens of meters off...


could it be a QGIS problem?

I assume you have set up the projection in GGIS to 31370.

What happens if you open your GRASS mapset in QGIS and load the GPS data
as a GRASS vector (with on-the-fly)?

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