Re: [netcdfgroup] Future file formats

On a somewhat related topic, I am now preparing a PR which will build PIO (
https://github.com/NCAR/ParallelIO) into the netCDF library.

This will provide some great HPC features for supercomputer users.

But it does not introduce a new format, so no one should call it netCDF-6.
;-)

Ed

On Wed, Nov 1, 2017 at 5:30 PM, Wei-keng Liao <wkliao@xxxxxxxxxxxxxxxxxxxxx>
wrote:

>
> I, as a PnetCDF developer, have never used the term "netcdf-5".
> I always use cdf-5 or cdf5 to refer the file format, as "cdf" plus
> a single character (e.g. '1', '2', or '5') is the signature string
> stored in the file header for I/O libraries such as NetCDF, PnetCDF,
> and probably some others to tell the format.
>
> In my opinion, "netcdf-4" is better used to refer to the library,
> instead of a format, but I can see many have already use the term
> for both. I simply hope the version character in the signature string
> will not run out too quickly :)
>
> Wei-keng
>
> On Nov 1, 2017, at 3:01 PM, Gerry Creager - NOAA Affiliate wrote:
>
> > Perhaps we should follow the example of the IP networking world and
> completely foregoe netCDF-5, heading straight to netCDF-6.
> >
> > gerry
> >
> > On Wed, Nov 1, 2017 at 2:44 PM, dmh@xxxxxxxx <dmh@xxxxxxxx> wrote:
> > Actually, the term "netcdf-5" got usurped by the
> > developers of pnetcdf, which supports a slightly extended
> > version of netcdf-3. The most recent versions of the netcdf-c
> > library support the netcdf-5 format
> > So the next available number would
> > be netcdf-6.
> >
> > You might look at this.
> > http://www.unidata.ucar.edu/blogs/developer/en/entry/high-
> performance-netcdf-4-proposal
> >
> > =Dennis Heimbigner
> >  Unidata
> >
> >
> > On 11/1/2017 1:27 PM, Julian Kunkel wrote:
> > Dear all,
> > there was many years ago the April fool:
> > http://www.unidata.ucar.edu/blogs/developer/entry/netcdf_5_format_to_be
> >
> > I'm just curious if there are activities known by you that actually
> > move on towards any NetCDF-5 format?
> >
> > Regards,
> > Julian
> >
> >
> > _______________________________________________
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> >
> >
> > --
> > Gerry Creager
> > NSSL/CIMMS
> > 405.325.6371
> > ++++++++++++++++++++++
> > “Big whorls have little whorls,
> > That feed on their velocity;
> > And little whorls have lesser whorls,
> > And so on to viscosity.”
> > Lewis Fry Richardson (1881-1953)
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