Fwd: Re: [gdal-dev] transformation with nadgrids

2010-12-13 Thread Wolfgang Lahr
opers!!). > > Now, the question came up, how to do it just the other way round, ie from > ETRS/UTM to Gauss-Krueger (DHDN) using the same grid. > > Any hints? > > Regards and thanks > > Wolfgang > > ___ > gdal-dev ma

Re: [gdal-dev] transformation with nadgrids

2010-12-13 Thread Ralf Suhr
Hi Wolfgang, is gdalwarp/ogr2ogr -t_srs "+proj=tmerc +lat_0=0 +lon_0=9 +k=1.00 +x_0=350 +y_0=0 +ellps=bessel +units=m +nadgrids=./HeTa2010.gsb +wktext" - s_srs "+proj=utm +zone=32 +ellps=GRS80 +datum=WGS84 +units=m" ... not working for you? The default EPSG:25832 can also be written as

[gdal-dev] transformation with nadgrids

2010-12-13 Thread Wolfgang Lahr
Hello list, I am using GDAL/OGR to transform raster and vector data from German Gauss-Krueger (DHDN) to ETRS/UTM like so: gdalwarp/ogr2ogr -s_srs "+proj=tmerc +lat_0=0 +lon_0=9 +k=1.00 +x_0=350 +y_0=0 +ellps=bessel +units=m +nadgrids=./HeTa2010.gsb +wktext" -t_srs "+proj=utm +zone=32 +el