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Re: netCDF - ... and file size [message #15464 is a reply to message #15393] Mon, 17 May 1999 00:00 Go to previous message
robert.m.candey.1[1] is currently offline  robert.m.candey.1[1]
Messages: 2
Registered: March 1999
Junior Member
In article <373C8FDA.3C47B2@io.harvard.edu>, Martin Schultz
<mgs@io.harvard.edu> wrote:

> Martin Schultz wrote:
>>
>
> ... the file size of my test netCDF file is practically identical to the
> size of my
> "primitive" binary file (all dat being stored as float). Wouldn't it be
> nice if netCDF would support compression? In my case that would mean a
> reduction by a factor of 4 (using gzip). Or would they loose
> cross-platform portability then?
>
> Martin.

The sister format (CDF) to netCDF does have compression
<http://nssdc.gsfc.nasa.gov/cdf/cdf_home.html>. We have a nice ingest
routine (read_myCDF.pro) at
<ftp://nssdc.gsfc.nasa.gov/pub/CDAWlib/source/> (whole library tarred up
at <ftp://nssdc.gsfc.nasa.gov/pub/CDAWlib/unix/>). See
<http://cdaweb.gsfc.nasa.gov/> fo plots using the library.

--
Robert.M.Candey@gsfc.nasa.gov 1-301-286-6707 (286-1771 fax)
NASA Goddard Space Flight Center, Code 632
Greenbelt MD 20771 USA <http://nssdc.gsfc.nasa.gov/personnel/rcandey/>
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