[netcdfgroup] NetCDF-3 file format changes

[Roy Mendelssohn]

Hi Joe:

See http://www.unidata.ucar.edu/software/netcdf/docs/faq.html#Large% 
20File%20Support0.  It has been possible since netcdf3.6

Regards,

-Roy M


On Feb 26, 2008, at 1:11 PM, Joe Sirott wrote:

> Hi,
>
> In the "classic" netCDF file format (netCDF-3), a variable without a
> record dimension cannot be larger than 2GB. This limitation has been
> giving me a lot of headaches lately. I know that netCDF-4 is  
> supposed to
> solve this problem, but there are a number of reasons why netCDF-4 is
> not a good option for me (no Java write support, for one).
>
> I could be missing something, but it seems like a very small change to
> the netCDF-3 file format would solve this problem. The only  
> requirement
> would  be changing the variable size info in the netCDF header from  
> a 32
> bit to a 64 bit int (and, of course, updating the version info in the
> header).
>
> I'm guessing that I'm not the only netCDF user who has run into this
> problem and who is also reluctant to move to netCDF-4. Any possibility
> that Unidata could make these changes?
>
> Cheers,
>
> Joe S.
>
>
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**********************
"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: Roy.Mendelssohn at noaa.gov (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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