[Gdal-dev] Gdalwarp resampling

Frank Warmerdam warmerdam at pobox.com
Thu Oct 23 19:18:06 EDT 2003


Matt.Wilkie wrote:
> Hi Frank,
> On the page http://gdal.maptools.org/gdal_utilities.html at the end of the
> 'gdalwarp' section it says:
> 
> ---------
> Mosaicing into an existing output file is supported if the output file
> already exists.
> 
> It currently has the following limitations:
> 
>     * Only 8 bit data is can be warped.
>     * The entire source image is held in memory.
>     * Only nearest neighbour resampling is available. 
> ---------
> 
> Do these limitations apply only to mosaicking or to all gdalwarp options
> generally?

Matt,

Those limitations only apply to gdalwarpsimple.  Since gdalwarp has replaced
the old warper in CVS those restrictions no longer applied.  Of course, if you
are still using 1.1.9 they do apply (for all warps with the old warper).

Best regards,

-- 
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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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