Markus, It looks like some datums are not being recognized by g.proj. When this happens, datum transform information is not returned. Take a look at this.
wgs84 is recognized by g.proj GRASS 7.0.svn (newLocation):~ > g.proj -d proj4='+proj=utm +datum=wgs84' GRASS datum code: wgs84 WKT Name: WGS_1984 Datum transformation parameters (PROJ.4 format): towgs84=0,0,0,0,0,0,0 but European Datum 1995 (eur50) is not recognized. This datum IS listed in ../etc/proj/datums.table GRASS 7.0.svn (newLocation):~ > g.proj -d proj4='+proj=utm +datum=eur50' WARNING: Datum <unknown> not recognised by GRASS and no parameters found Datum name not present Datum parameters not present Unless I misunderstand something, this seems to be a serious bug because it affects location creation. I will file a bug report on this if you can verify. Thanks Michael ____________________ C. Michael Barton Director, Center for Social Dynamics & Complexity Professor of Anthropology, School of Human Evolution & Social Change Arizona State University voice: 480-965-6262 (SHESC), 480-727-9746 (CSDC) fax: 480-965-7671 (SHESC), 480-727-0709 (CSDC) www: http://www.public.asu.edu/~cmbarton, http://csdc.asu.edu
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