Looking at the wkt definition, I see no TOWGS84 clause. (Bursa Wolf parameters).
In Austria, I had to add these params to our Gauss Krüger coordinate systems, otherwise the result of the transformation is not exact. I would recommend to check this, otherwise you may not be happy :-) Quoting Simone Giannecchini <[email protected]>: > Ciao Adnila, > assuming you asc file looks like filename.asc, you should add a > filename.prj file where the content looks like this: > > http://spatialreference.org/ref/epsg/31468/prettywkt/ > > > This will set the native crs for your coverage. > > Simone. > ------------------------------------------------------- > Ing. Simone Giannecchini > GeoSolutions S.A.S. > Founder - Software Engineer > Via Carignoni 51 > 55041 Camaiore (LU) > Italy > > phone: +39 0584983027 > fax: +39 0584983027 > mob: +39 333 8128928 > > > http://www.geo-solutions.it > http://geo-solutions.blogspot.com/ > http://www.linkedin.com/in/simonegiannecchini > http://twitter.com/simogeo > > ------------------------------------------------------- > > > > On Fri, May 28, 2010 at 11:06 AM, Adnila <[email protected]> wrote: >> >> no I do not have a .prj file. But I know which projection it is. It >> is the so >> called Gauß-Krüger projection. >> Does anybody have a idea how to solve this. I definitely know that it is not >> WGS84. But I guess it is unusual to receive .asc files with a .prj file. Or >> am I wrong? Are there examples of data (.asc) where a .prj file is added? >> >> -- >> View this message in context: >> http://osgeo-org.1803224.n2.nabble.com/Reprojection-tp5098885p5112275.html >> Sent from the geotools-gt2-users mailing list archive at Nabble.com. >> >> ------------------------------------------------------------------------------ >> >> _______________________________________________ >> Geotools-gt2-users mailing list >> [email protected] >> https://lists.sourceforge.net/lists/listinfo/geotools-gt2-users >> > > ------------------------------------------------------------------------------ > > _______________________________________________ > Geotools-gt2-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/geotools-gt2-users > ---------------------------------------------------------------- This message was sent using IMP, the Internet Messaging Program. ------------------------------------------------------------------------------ _______________________________________________ Geotools-gt2-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/geotools-gt2-users
