overcoming netcdf3 limits

• To: netcdfgroup@xxxxxxxxxxxxxxxx
• Subject: overcoming netcdf3 limits
• From: robl@xxxxxxxxxxx (Robert Latham)
• Date: Tue, 24 Apr 2007 09:54:05 -0500

Hi

Over in Parallel-NetCDF land we're running into users who find even
the CDF-2 file format limitations, well, limiting. 

http://www.unidata.ucar.edu/software/netcdf/docs/netcdf/NetCDF-64-bit-Offset-Format-Limitations.html

http://www.unidata.ucar.edu/software/netcdf/docs/faq.html#Large%20File%20Support10

If we worked up a CDF-3 file format for parallel-netcdf (off the top
of my head, maybe a 64 bit integer instead of an unsigned 32 bit
integer could be used to describe variables), would the serial netcdf
folks be interested, or are you looking to the new netcdf-4 format to
take care of these limits?

Thanks
==rob

-- 
Rob Latham
Mathematics and Computer Science Division    A215 0178 EA2D B059 8CDF
Argonne National Lab, IL USA                 B29D F333 664A 4280 315B

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