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Re: THREDDS and OPeNDAP




On May 1, 2007, at 8:45 PM, Roy Mendelssohn wrote:

The THREDDS people will probably give you a more complete answer, but based on what I know:

1. TDS does not use Hyrax - it is 100% java and use the nj22 code.

2. If you are using the OPeNDAP DRDS to connect to data bases, TDS does not do that.

3. We have netcdf files of all kinds - and there has been no problem of serving in the one or the other server. TDS does provide aggregation and the ability to append metadata through NcML.

4.  Based on experience from others, GRIB data works just fine also.

5. On the client side, it should make no difference.

All correct as far as I know. TDS does not handle HDF4, but does a good job with most HDF5 files. Hyrax handles HDF4 and will handle simple HDF5 files if you're willing to build the HDF5 from source.


James

HTH,

-Roy


On May 1, 2007, at 5:45 PM, Pauline Mak wrote:

Hi all,

Has anyone done any extensive testing on the compatibilities between THREDDS OPeNDAP server and the OPeNDAP servers themselves? I'm trying to gauge if it is possible to replace our OPeNDAP server with THREDDS, and then, maybe bring down the old OPeNDAP servers. I'm in the process of going through some of the clients listed on the opendap site. Lastly, does the THREDDS OPeNDAP server uses Hyrax (Server 4)?

Thanks,

-Pauline.

--
Pauline Mak
Software Developer, Insight4
Suite 2 / Level 1, 114 Murray St.
Hobart, Australia 7000
p:  (03) 6234 5203
f:  (03) 6234 5603
address@hidden

**********************
"The contents of this message do not reflect any position of the U.S. Government or NOAA."
**********************
Roy Mendelssohn
Supervisory Operations Research Analyst
NOAA/NMFS
Environmental Research Division
Southwest Fisheries Science Center
1352 Lighthouse Avenue
Pacific Grove, CA 93950-2097


e-mail: address@hidden (Note new e-mail address)
voice: (831)-648-9029
fax: (831)-648-8440
www: http://www.pfeg.noaa.gov/

"Old age and treachery will overcome youth and skill."



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-- James Gallagher jgallagher at opendap.org OPeNDAP, Inc 406.723.8663



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