[gdal-dev] [gdal_translate] Spatial subset HDF4Image with multiple subdatasets?

[dcd]

Hi,

Is it possible to spatially subset an HDF4Image that contains multiple
subdatasets using gdal_translate (GDAL 1.9.1)? When using a spatial subset
switch ("-a_ullr"), I get the following response:

"Input file contains subdatasets. Please, select one of them for reading."

This happens regardless of output format specified (HDF4Image, GTiff, ENVI,
etc.), or whether the "-b" switch has been used as per the examples here:
http://www.gdal.org/gdal_translate.html. A workaround is to use the "-sds"
switch allows the process to complete, but (as expected) it processes each
subdataset as a separate file. I suppose I can just merge these subdatasets
together again, but I'd like to avoid the extra step. Is this possible?

I'm working with a MODIS imagery (MOD09GA), but I've had the issues with
other similar HDF4 datasets.

Any help would be appreciated!

Cheers,

Dennis

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