[Gdal-dev] processing SRTM-3?

Frank Warmerdam warmerdam at pobox.com
Wed Jul 28 15:05:20 EDT 2004


Thom DeCarlo wrote:
> Oops, found another... issue. The SRTM documentation states that the NODATA
> value is -32768 and the shell script accommodates that by setting the
> appropriate value in the header file. However, it appears that the rest of
> the gdal software assumes that the NODATA value is -9999. Is there any way
> to tell the gdal_translate program to change any NODATA values it encounters
> to be -9999?

Thom,

The GDAL libraries should not assume a nodata value of -9999.  The data is
being imported via the ESRI BIL format, right?  What does the .hdr file have
for a NODATA value?  What does gdalinfo report about a dataset?

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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