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[netCDF #HSK-896839]: netCDF static lib
- Subject: [netCDF #HSK-896839]: netCDF static lib
- Date: Sat, 10 Mar 2012 13:03:28 -0700
> ... do you know some free software that allows to edit netcdf files
> (attributes, variables names,...) ?
Yes, there is ncedit:
http://www.knmi.nl/onderzk/CKO/tools.html
It's also possible to manipulate netCDF data with larger packages of utlities
such as NCO, NCL, and CDO,
for which more information is available from:
http://www.unidata.ucar.edu/netcdf/software.html
--Russ
> -----Original Message-----
> From: Unidata netCDF Support [mailto:address@hidden]
> Sent: vendredi 9 mars 2012 23:03
> To: address@hidden
> Cc: address@hidden; address@hidden
> Subject: [netCDF #HSK-896839]: netCDF static lib
>
> Hi Vitaliy,
>
> Sorry to have taken so long to respond to your question:
> > I've the following problem :
> >
> > - unlimited dimension variable of 10 Gb that I need to read and filter
> > its data in accoding to some criteria, and then save the results in
> > new 10 Gb variable in new netcdf file.
> >
> > I'm doing all on my desktop PC and limited in memory (3Gb only)
> >
> > so I have exceptions when doing allocation(unlim_var(dim1_len,
> > unlim_dimlen)
> >
> > is there solution to handle such a case ?
>
> A solution is to read the data one record at a time, instead of trying to
> read it all into memory at once. Then you only need to allocate enough
> memory to hold one record's worth of data at a time. That's what the nccopy
> utility that comes with the netCDF C software does to be able to copy,
> convert, compress, chunk, or rechunk any netCDF file, no matter how large,
> without requiring memory needed to hold all of a variable in memory.
>
> --Russ
>
>
> Russ Rew UCAR Unidata Program
> address@hidden http://www.unidata.ucar.edu
>
>
>
> Ticket Details
> ===================
> Ticket ID: HSK-896839
> Department: Support netCDF
> Priority: Critical
> Status: Closed
>
>
>
Russ Rew UCAR Unidata Program
address@hidden http://www.unidata.ucar.edu
Ticket Details
===================
Ticket ID: HSK-896839
Department: Support netCDF
Priority: Critical
Status: Closed