hdf4/hdf5 [Fwd: Re: HDF4 support]

• To: thredds@xxxxxxxxxxxxxxxx
• Subject: hdf4/hdf5 [Fwd: Re: HDF4 support]
• From: "Rob Cermak" <cermak@xxxxxxxxxxxx>
• Date: Sun, 6 May 2007 10:59:02 -0800 (AKDT)

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@xxxxxxxxxxxxxxxx>
Date:    Wed, December 6, 2006 2:55 pm
To:      John.Relph@xxxxxxxx
Cc:      thredds@xxxxxxxxxxxxxxxx
-------------------------------------------------------------------------

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

-- 
Ethan R. Davis                                Telephone: (303) 497-8155
Software Engineer                             Fax:       (303) 497-8690
UCAR Unidata Program Center                   E-mail:    edavis@xxxxxxxx
P.O. Box 3000
Boulder, CO  80307-3000                       http://www.unidata.ucar.edu/
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