hdf4/hdf5 [Fwd: Re: HDF4 support]

[John Caron]

Hi Rob:

We are looking for funding (or another group) to add an HSF4/HDF-EOS reader to the CDM and THREDDS. The NCSA library is in C, but we require 100% Java, so we cant use it.

Any ideas from anyone on where we might find resources would be welcome. 

Rob Cermak wrote:
> Hi,
> 
> I guess we also have a large supply of HDF4 files.   I would 2nd the
> motion for HDF4 support in Thredds :)
> 
> NCSA seems to be a fully operational hdf4 and hdf5 library for java.
> How much effort would it take to adapt this for use in THREDDS?
> 
> http://hdf.ncsa.uiuc.edu/hdf-java-html/build_src_unix.html
> 
> Rob
> 
> --------------------------- Original Message ----------------------------
> Subject: Re: HDF4 support
> From:    "Ethan Davis" <edavis at unidata.ucar.edu>
> Date:    Wed, December 6, 2006 2:55 pm
> To:      John.Relph at noaa.gov
> Cc:      thredds at unidata.ucar.edu
> -------------------------------------------------------------------------
> 
> Hi John,
> 
> Yuan Ho wrote:
>> John Relph wrote:
>>> I was wondering if anybody has HDF4 support working in THREDDS.
>> No, I think only HDF5.
> 
> The THREDDS Data Server only serves data that the netCDF-java library
> can read. As Yuan said, it can't read HDF4 but can read HDF5 (though it
> isn't a full HDF5 implementation, so there are HDF5 files that it can't
> read).
> 
> However, if you are looking for OPeNDAP access, the OPeNDAP project
> (opendap.org) does have an HDF4 server.
> 
> Ethan
> 

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