Dear gdal'ers
I am working with TRMM rainfall data from an HDF5 file (converted from hdf4 to
hdf5). I am able to use gdal_translate to extract the gridded data from the HDF
file using the following command.
gdal_translate -of GTiff
"HDF5:"3A25.071201.6A.h5"://DATA_GRANULE/PlanetaryGrid2/e_surfRainMean2"
test.tif
Gdal_translate works a treat and writes out the test.tif file perfectly,
however, the file is unreferenced and needs to be rotated by -90 degrees. Is it
possible to do this using gdal_translate or do I need to make use of gdalwarp
as well? My tiff world file needs to look something like this
0.500000
0.0000000
0.0000000
-0.500000
-179.750000
36.750000
Am I correct in assuming that a suitable proj4 statement might do the trick,
wrt assigning projection info and defining rotation? If so can someone point me
towards a document explaining the various proj4 declaration parameters, or give
me some advice on how to go about getting the data properly referenced.
I can complete the task using ENVI but I would far rather write a bash script
to get it all done in four or five lines of code.
Thanking you in advance
Wesley
Wesley Roberts PhD.
Researcher: Earth Observation
Natural Resources & the Environment (NRE)
CSIR
Tel: +27 (0)21 888-2490
Fax: +27 (0)21 888-2693
skype: roberts-w
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