[GRASS-dev] r.proj from GaussBoaga to UTM

Markus Neteler neteler at osgeo.org
Wed Feb 25 18:19:22 EST 2009


On Wed, Feb 25, 2009 at 5:02 PM, Christian Tiso
<christian.tiso at ing.unitn.it> wrote:
> Hi,
> using command r.proj to reproject a raster topographic map from a Gauss
> Boaga location (EPSG:3003) to a UTM location (EPSG:32632) I obtain a shift
> error of the reprojected map of about 40-50m in south direction. It is
> related to the towgs84 bursa wolf parameters?
> Is this a known bug?
> I'm using Grass 6.3.0-2 on a Mac Intel with Moretti's Build binaries.

please post

g.proj -w

I assume that the datum definition is lacking or wrong (towgs84).

Markus


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