[Gdal-dev] processing SRTM-3?

[Frank Warmerdam]

Thom DeCarlo wrote:
> 
> ACK! I should have checked this first. (I was working from old, outdated,
> memories.) running gdalinfo on the geotiff files shows that there *is* a
> NODATA value of -32768 in there. I'd better check the other applications to
> make sure that they are handling this properly and not just assuming that
> the NODATA value is -9999.

Thom,

Sometime relatively recently a hack was put into the GDAL GTiff driver to
save a nodata valuei in a GDAL-custom tag in the TIFF file.  It isn't likely
that any non-GDAL application will recognise the nodata value in the TIFF
file.

Best regards,
-- 
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I set the clouds in motion - turn up   | Frank Warmerdam, warmerdam at pobox.com
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and watch the world go round - Rush    | Geospatial Programmer for Rent