Hi Joe:
My plan is to continue to support pure-Java reading of both netCDF-4 and
HDF-5 (and to expand that functionality), and leave the writing to you ;^)
I dont know what Steve Sullivan's plans are for Nujan, but I know that he's
left NCAR. Last update appears to be 2012-04-06.
John
On Thu, Nov 6, 2014 at 5:38 PM, Joe Lee <hyoklee@xxxxxxxxxxxx> wrote:
> Hi John!
>
>
>
> I hope that you can provide pure Java netCDF-4 / HDF5 writer in
> NetCDF-Java library.
>
>
>
> BTW, is Nujan [1] dead?
>
>
>
> [1] http://www.ral.ucar.edu/~steves/nujan.html
>
>
>
> *From:* netcdfgroup-bounces@xxxxxxxxxxxxxxxx [mailto:
> netcdfgroup-bounces@xxxxxxxxxxxxxxxx] *On Behalf Of *John Caron
> *Sent:* Thursday, November 06, 2014 5:52 PM
> *Cc:* netcdfgroup@xxxxxxxxxxxxxxxx List
> *Subject:* Re: [netcdfgroup] what is status of netCDF3 vs netCDF4?
>
>
>
> Hi all:
>
>
>
> I thought I would clarify one small piece of the conversation:
>
>
>
> Unidata supports two libraries, one in C and one in Java. All other
> Unidata netCDF libraries are wrappers around the C library (notably C++,
> F77, F90, and Python) , or the Java Library (notably matlab).
>
>
>
> The Java library supports reading netCDF-4 files in pure Java. For writing
> netCDF-4, it requires the netCDF4 C library.
>
>
>
> A pure Python library for netcdf-3 would be easy and I'm sure has already
> been done. I predict no one will ever again be foolhardy enough to write
> another netCDF4 / HDF5 library that doesnt use the netCDF4 / HDF5 C
> libraries.
>
>
>
> Regards,
>
> John
>
>
>
> On Thu, Nov 6, 2014 at 11:04 AM, Chris Barker <chris.barker@xxxxxxxx>
> wrote:
>
>
>
> Quick comment on this:
>
>
>
> a previous post seemed to imply that Python was supported. I think the C
> and Fortran libraries should be top priority,
>
>
>
> the netCDF4 python package is a wrapper around the C lib.
>
>
>
> So it is as robust as the C lib, but also just as hard to compile!
>
>
>
> I agree that C and Fortran are key (actually primarily C -- you should be
> abel to call C from Fortran anyway) And C gets you the ability to wrap for
> a whole pile of higher-level languages (Julia, Octave, R, etc....)
>
>
>
> That leaves us with the Java world -- which does not map so easily to C
>
>
>
> What about .net, by the way? I don't care, but maybe some folks do ;-) I
> have no idea how hard it is to call C from .net languages...
>
>
>
> -Chris
>
>
>
> --
>
>
> Christopher Barker, Ph.D.
> Oceanographer
>
> Emergency Response Division
> NOAA/NOS/OR&R (206) 526-6959 voice
> 7600 Sand Point Way NE (206) 526-6329 fax
> Seattle, WA 98115 (206) 526-6317 main reception
>
> Chris.Barker@xxxxxxxx
>
>
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