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[netCDF #HSK-896839]: netCDF static lib

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  • 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