On Wed, Jun 20, 2012 at 11:19 AM, Jan Tappenbeck <[email protected]> wrote: > hi ! > > i have to transform rasterimages from gauss-krueger to etrs by using > gsb-files. > > one of the image is: > > Driver: GTiff/GeoTIFF > Files: C:/Users/tappenbeck/Desktop/Haan_Transformation/BP_001.tif > C:/Users/tappenbeck/Desktop/Haan_Transformation/BP_001.tfw > Size is 1862, 2990 > Coordinate System is `' > Origin = (2570979.517376476900000,5673843.182623745900000) > Pixel Size = (0.085247046186886,-0.085247491638684) > Metadata: > TIFFTAG_SOFTWARE=IrfanView > TIFFTAG_XRESOLUTION=200 > TIFFTAG_YRESOLUTION=200 > TIFFTAG_RESOLUTIONUNIT=2 (pixels/inch) > Image Structure Metadata: > COMPRESSION=PACKBITS > INTERLEAVE=BAND > Corner Coordinates: > Upper Left ( 2570979.517, 5673843.183) > Lower Left ( 2570979.517, 5673588.293) > Upper Right ( 2571138.247, 5673843.183) > Lower Right ( 2571138.247, 5673588.293) > Center ( 2571058.882, 5673715.738) > Band 1 Block=1862x4 Type=Byte, ColorInterp=Palette > Color Table (RGB with 256 entries) > 0: 0,0,0,255 > 1: 255,255,255,255 > 2: 251,243,215,255 > 3: 251,238,211,255 > 4: 251,238,206,255 > .... > 254: 227,230,230,255 > 255: 255,255,255,255 > > i want to use a gdal-statement by sven geggenus [1] for transformation. i > open the gdal-function gdal > transformation (projection) and i copy the > modify source in the command area at the buttom of the dialog: > > > gdalwarp -r cubicspline -multi -of HFA -s_srs "+init=epsg:31466 > +nadgrids=C:/Users/Tappenbeck/Desktop/Haan_Transformation/Mettmann_Beta2007.gsb > +wktext" -t_srs EPSG:25832 -of GTiff > C:/Users/tappenbeck/Desktop/Haan_Transformation/BP_001.tif > C:/Users/tappenbeck/Desktop/Haan_Transformation/BP_001_trans.tif > > after apply the command i get following message: > > Output dataset > C:/Users/tappenbeck/Desktop/Haan_Transformation/BP_001_trans.tif exists, > but some commandline options were provided indicating a new dataset > should be created. Please delete existing dataset and run again. > > can anyone help me to do the transformation ?
follow the recommendation, either delete the dataset before running the gdalwarp command, or use the -overwrite option. > > ADDITITION: > it is only possible to modify the gdad-command for single use - file by > file. > > is it possible to use usermodifiy-command for folder-transformations ? In linux you would use a bash script that loops over all the files in the directory, there are plenty of examples in the archives of this mailing list and elsewhere. I can't help you do this on windows though. > > please help. > > reagards Jan :-) > > > > > [1] > http://www.fossgis.de/konferenz/2010/attachments/71_osm-datenaufbereitung-fossgis-2010.pdf > - Page 8 > _______________________________________________ > Qgis-user mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/qgis-user _______________________________________________ Qgis-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/qgis-user
