[GRASSLIST:6259] Re: hdf and modis/aster

[Trevor Wiens]

On Fri, 25 Mar 2005 14:14:58 -0800
"Ian W. Macmillan" <ian_macmillan at umail.ucsb.edu> wrote:

> Hi all, I am trying to import some MASTER data (combined MODIS and
> ASTER) that is an hdf4 file (it should have the same exact format as
> MODIS data).  After realizing that I need to import the subdatasets
> (which import fine into an XY location), I have run into a problem.  It
> seems that the data I want is in one subdataset, but the latitudes and
> longitudes are in separate subdatasets.  How can I import this so that
> the data I want is actually georeferenced?
> 
> I tried gdal_translate on a whim (gdal_translate -of GTiff -b 1
> subdataset myfile.tif), but I ended up with a geotiff that either gives
> me an error of "cellhd.proj = 0 (unreferenced)" or if r.in.gdal -o
> "G_set_window(): Illegal latitude for South".
> 
I've not imported hdf4 directly, but used the MODIS reprojection tool to tile and convert the data GeoTiff. Then importing it into GRASS was a breeze.

T
-- 
Trevor Wiens 
twiens at interbaun.com

The significant problems that we face cannot be solved at the same 
level of thinking we were at when we created them. 
(Albert Einstein)