[GRASS5] r.in/out.hdf

Markus Neteler neteler at geog.uni-hannover.de
Wed Nov 22 03:50:37 EST 2000


On Tue, Nov 21, 2000 at 05:36:09PM -0500, Frank Warmerdam wrote:
> Markus Neteler wrote:
> > 
> > Hi all,
> > 
> > today I got an announcement of TERRA/NASA data distribution.
> > Most of these data are distributed in HDF format (some of
> > them for free like the hyperspectral MODIS).
> > The letter stated that ENVI would be one of the few
> > packages to support HDF format.
> > 
> > Of course I remembered GRASS 4.2.1 and the src.garden/grass.hdf/
> > tree in GRASS 5. I feel we should get HDF active. This would
> > mean that the r.[in|out].hdf needs an upgrade to HDF 5:
> > 
> > http://hdf.ncsa.uiuc.edu/HDF5/
> > ftp://ftp.ncsa.uiuc.edu/HDF/HDF5/hdf5-1.2.2/src/
> > 
> > We are all overwhelmed with other stuff, but is anyone willing
> > to do the job :-) ?
> > 
> > Unfortunately the HDF5 lib would be another 8MB of source code.
> > But the current src.garden/grass.hdf consumes 27MB.
> > 
> > So a general upgrade would save space. Using my scripts I could
> > easily remove the old hdf stuff from CVS and check in the new HDF5
> > libraries. Just let me know. A license file I could find there,
> > seems to be public domain.
> 
> Markus, 
> 
> I have been kicking around the idea of adding HDF support to GDAL.  Would
> you be satisified if r.in.gdal could support HDF?  HDF is very complicated,
> and therefore I think it might be desirable to avoid re-implementing it in too
> many places.  I would like to see libgdal.1.1.so included with some of the 
> binary builds of GRASS. 

Hi Frank,

this would be the best! Generally a powerful *single* module to
import various formats is most convenient.

BTW: What is the reason that some (interesting) formats are restricted
in GDAL?

Thanks for your reply,

 Markus

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