Re: [gdal-dev] Re: GetProjectionRef() difference 1.8 vs 1.7.2

2011-02-15 Thread Even Rouault
Selon cobalto : > These NITFs contain RPCs, so I mostly am unconcerned with the geotransform, > exact or approximated. However, proper interpretation of the RPCs requires > knowledge of the projection reference. In these cases, it seems somewhat > circuitous to look for a projection reference amo

Re: [gdal-dev] Re: GetProjectionRef() difference 1.8 vs 1.7.2

2011-02-14 Thread Livneh Yehiyam
balto" Subject: [gdal-dev] Re: GetProjectionRef() difference 1.8 vs 1.7.2 Date: 15 פברואר 2011 03:29 > You can still force compute an approximate > geotransform by calling GDALGCPsToGeoTransform( nGCPCount, psGCPs, > adfGeoTransform, TRUE ). And the projection can i

[gdal-dev] Re: GetProjectionRef() difference 1.8 vs 1.7.2

2011-02-14 Thread cobalto
> You can still force compute an approximate > geotransform by calling GDALGCPsToGeoTransform( nGCPCount, psGCPs, > adfGeoTransform, TRUE ). And the projection can indeed be fetched by > GDALGetGCPProjection() when GCPs are returned instead of a geotransform. > These NITFs contain RPCs, so

Re: [gdal-dev] Re: GetProjectionRef() difference 1.8 vs 1.7.2

2011-02-14 Thread Even Rouault
Le lundi 14 février 2011 21:40:36, cobalto a écrit : > I'm hesitant to post the entire gdalinfo dump, but below are the changed > sections for nitf_im:0:myfile.nitf between v1.7.2 and v1.8.0 of gdalinfo > (Win64 w/ kakadu). Does this help? It seems like the info I'm after is now > in the GCP Projec

[gdal-dev] Re: GetProjectionRef() difference 1.8 vs 1.7.2

2011-02-14 Thread cobalto
I'm hesitant to post the entire gdalinfo dump, but below are the changed sections for nitf_im:0:myfile.nitf between v1.7.2 and v1.8.0 of gdalinfo (Win64 w/ kakadu). Does this help? It seems like the info I'm after is now in the GCP Projection rather than the coordinate system. Does this provide an