[gdal-dev] Guidance sought on using gdal-translate

Frank Warmerdam warmerdam at pobox.com
Mon Aug 18 10:50:17 EDT 2008

On 8/16/08, Christopher Hunt <huntc at internode.on.net> wrote:
>  Hopefully one last question on this though: the a_ullr parameters - given
> the a_srs spec of EPSG:27700, are the a_ullr parameters expected to be in
> BNG coordinates i.e. eastings and northings values? Asking this another way,
> what actually dictates the coordinate system used for the a_ullr parameters?


The coordinates in the -a_ullr should match the coordinate
system of the image (ie. what gdalinfo reports for instance)
or the coordinate system supplied in -a_srs if you give that
to assign a new coordinate system.

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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