[Gdal-dev] gdalinfo and mrsid

[Frank Warmerdam]

Clay, Bruce wrote:
> Frank:
>   I have a little more info that sheds light on what is happening.
> 
> The rasters that ArcMap found a coordinate reference system (CRS) for
> were read into ArcCatalog first.  ArcCatalog held the CRS information in
> the aux file.  It did not update the MrSid header thus there is nothing
> for gdal to see.  We would have to know the format of the aux file or
> use the .met file that comes from the NASA size to set a coordinate
> system.

Bruce,

GDAL can read the .aux files for coordinate system information *if* you
define the GDAL_PAM_ENABLED config/environment variable to ON.  We should
really consider turning on .aux reading by default for GDAL/OGR 1.5.0.

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    | President OSGeo, http://osgeo.org