[Gdal-dev] NITF Question

Frank Warmerdam warmerdam at pobox.com
Thu Nov 4 11:07:40 EST 2004


William Lyons wrote:
> Hello again List and Frank,
> 
>  
> 
> Does the NITF reader rely on the geospatial Data Extensions or will it 
> use the bounding rectangle specified in the header in the absence of 
> geospatial Data Extensions?

William,

If there is an RPF CoverageSectionSubheader it will be used for the
georeferencing bounds of the NITF file.  If not, GDAL falls back to
using the information in the IGEOLO image header fields which are typically
less precise.

Best regards,
-- 
---------------------------------------+--------------------------------------
I set the clouds in motion - turn up   | Frank Warmerdam, warmerdam at pobox.com
light and sound - activate the windows | http://pobox.com/~warmerdam
and watch the world go round - Rush    | Geospatial Programmer for Rent




More information about the Gdal-dev mailing list