[Gdal-dev] gdalinfo and GMT grids

Frank Warmerdam fwarmerdam at gmail.com
Sun Mar 13 23:16:57 EST 2005

On Sun, 13 Mar 2005 22:23:01 +0000, jluis at ualg.pt <jluis at ualg.pt> wrote:
> What seams to be happening is that gdal assumes all grids have a "pixel
> registration". And that is not allways true, in what ragards GMT grids, but it
> is also
> not true for example with GTOPO30 (or SRTM30) and SRTM 1-arc-sec or SRTM
> 3-arc-sec. The first are pixel registerd, but the seconds are grid registerd.
> See http://gmt.soest.hawaii.edu/gmt/doc/html/GMT_Docs/node145.html
> for a explanation on the difference between "grid" and "pixel" registrations.


I believe your analysis is correct.  If you could file a bug against
GDAL with the grid registered file, and the doc link above I will
correct the problem. 

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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