[gdal-dev] GDAL / PROJ.4 Transformation (cs2cs) - several results by PROJ.4-Versions (DHDN/GK2 => ETRS89/UTM32)

Gregor Fikoczek gregor.fikoczek at wheregroup.com
Thu Mar 12 07:40:31 EDT 2009


hi Jean-Claude, 

thanks for the information, 

Best regards, 
Greq


Am Donnerstag 12 März 2009 11:55:50 schrieb Jean-Claude Repetto:
> Gregor Fikoczek wrote :
> > So is there a difference between PROJ.4-Versions (Version > 4.5 needs
> > +datum-Parameter?) or am i doing something wrong?
>
> Hello,
>
> In the prog 4.6.0 release notes, one can read :
>
>   o MAJOR: Rework pj_transform() to avoid applying ellipsoid to ellipsoid
>     transformations as a datum shift when no datum info is available.
>
> So yes, a datum definition is mandatory if you want to perform a
> transformation.
> The definition of epsg::25832 in the epsg file is incorrect.
>
> Regards,
> Jean-Claude






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