Thanks Nikos and Benoît! The solution with the BASELINE profile seems to work perfect. Haven't thought about that!
Thank you for your quick help! Andreas On Tue, May 5, 2009 2:31 pm, Benoît Andrieu wrote: > Hi, > > Some times ago, I tried to update the georeferencing information by code > but it didn't seem to work. > My solution was to first destroy the informations by using gdal_translate > with -co PROFILE=BASELINE > Then to use the new Tiff with a prj file to have a GTiff > > PROFILE=[GDALGeoTIFF/GeoTIFF/BASELINE]: Control what non-baseline tags are > emitted by GDAL. > > * With GDALGeoTIFF (the default) various GDAL custom tags may be > written. > * With GeoTIFF only GeoTIFF tags will be added to the baseline. > * With BASELINE no GDAL or GeoTIFF tags will be written. BASELINE is > occationally useful when writing files to be read by > applications intolerant of unrecognised tags. > > There could be some better way... > > Regards, > > Benoît Andrieu > [email protected] > [email protected] > > ----- Original Message ----- > From: "Andreas Neumann" <[email protected]> > To: <[email protected]> > Sent: Tuesday, May 05, 2009 1:53 PM > Subject: [gdal-dev] Overwriting Georeferencing Information of a GeoTIFF > file > > >> Hi GDAL users/developers, >> >> Is it possible to overwrite georeferencing information of an existing >> geotiff file? For some reasons, some of the files I received have >> georeferencing information in Millimeters instead of Meters. All of my >> data uses meters as units. >> >> I thought that maybe it is possible to create a tfw file and modify the >> tfw file, but since the tiff file also has the original georeferencing >> information in millimeters, the internal georeferencing still takes >> precedence over the external tfw file. Is there some way to force gdal >> to >> prefer the tfw file? >> >> If not - what else could I do? Write different projection files? >> >> Actually, I don't want to modify the rasters at all, just the >> georeferencing information. >> >> Thanks for any hints, >> Andreas >> >> >> -- >> Andreas Neumann >> http://www.carto.net/neumann/ >> http://www.svgopen.org/ >> >> _______________________________________________ >> gdal-dev mailing list >> [email protected] >> http://lists.osgeo.org/mailman/listinfo/gdal-dev > > -- Andreas Neumann http://www.carto.net/neumann/ http://www.svgopen.org/ _______________________________________________ gdal-dev mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/gdal-dev
