[Gdal-dev] NITF overviews

Frank Warmerdam warmerdam at pobox.com
Thu Aug 21 14:50:48 EDT 2003

Gillian Walter wrote:
> Hi,
> When I try to build overviews for an NITF dataset, I get an error:
> ERROR 6: BuildOverviews() not supported for this dataset.
> Overview building failed.
> Is there a reason why NITF overviews can't be built?  I thought 
> overviews of the .ovr tiff type could be built for pretty much any dataset?


The fallback ".ovr" overviews is easy to incorporate into any file based
driver but it is not automatic.  It seems I forgot to add it to the NITF
driver.  I have committed a patch turning it on.

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

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