Sorry for my previous mail. I have written a new TIFF file without using he function TIFFRewriteDirectory() but gdal said that there is not RPC metadata inside.
I opened the TIFF file with a tiff metada viewer and it shows that there is a tag with number 50844 and length 92. I do not know why gdal is not extracting rpc info. Is well implemented the function that extracts the rpc info with gdal? Many thanks!!! El 25/05/2011, a las 18:32, Jorge <[email protected]> escribió: > > Hello Frank, > > I have > > > Best Regards, > > Jorge > > > El 25/05/2011, a las 14:27, Frank Warmerdam <[email protected]> escribió: > >> On 11-05-25 03:49 AM, Jorge Martin wrote: >>> Hello Frank, >>> >>> I am trying to test my implementation using GDAL (GDALExtractRPCInfo), but >>> I do >>> not get any RPC info from my TIFF file. I have pasted below the code I have >>> used to set/read and test the RPCCoefficientTag managment. >> ... >>> TIFFRewriteDirectory(tiff); >> >> Jorge, >> >> I'd take up your ENVI RPC support question with the vendors of the ENVI >> software. >> >> As to why you aren't seeing the RPCs, I am suspicious of the use of >> TIFFRewriteDirectory() - I have found it quirky to use in the past >> though I don't recall the details. I'd start testing the RPC support >> with a newly written file, instead of trying to update an existing file >> in place. >> >> Best regards, >> -- >> ---------------------------------------+-------------------------------------- >> I set the clouds in motion - turn up | Frank Warmerdam, [email protected] >> light and sound - activate the windows | http://pobox.com/~warmerdam >> and watch the world go round - Rush | Geospatial Programmer for Rent >> _______________________________________________ gdal-dev mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/gdal-dev
