[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: 20000706: netcdf woes

This archive contains answers to questions sent to Unidata support through mid-2025. Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated. For the most up-to-date information on the use of NSF Unidata software and data services, please consult the Software Documentation first.

  • Subject: Re: 20000706: netcdf woes
  • Date: Thu, 06 Jul 2000 15:58:29 -0600
Barbara,

> To: address@hidden
> From: Barbara Winter <address@hidden>
> Subject: netcdf woes
> Organization: UCAR/Unidata
> Keywords: 200007062035.e66KZHT26521

In the above message, you wrote:

> Hello, 
> 
> This e-mail began as a netcdf question to one of our local computer gurus,
> but he gave me your address and said to try that instead. 
> 
> My question is this:
> 
>  I've been using the updated 3.4 version of NetCDF to read and write
>  files, and for my rather brainless purposes there's really not much
>  difference between that and the older 2.4 version.
>  
>  However, when writing timepoints, the 2.4 command
>   
>        "call ncvpt(ncid, timeid, start(4), count(4), time, rcode)"
>  
>  does what it is supposed to, but the 3.4 commands
>  
>        "rcode = nf_put_var_double (ncid, timeid, time)"
>  or    "rcode = nf_put_vara_double (ncid, timeid, start(4), count(4), time)"
>  
>  don't, and no time points are written. Is there some other hoop to jump
>  through to make these commands work? I'm declaring time as double
>  precision in all cases.

There should be no difference between the "ncvpt" call and the
"nf_put_vara_double" call -- providing the netCDF file was opened
and closed correctly in each case.  Are you correctly closing the netCDF
file?  Do you check the return codes?

>  I'm grateful for any hints, tricks, assurances it's not an IQ test, etc.!
> 
> Barbara
>  
>  
> -----------------------------------------------------------------------------
> Barbara Winter                                  
> Program in Atmospheric and Oceanic Sciences
> PO Box CN710, Sayre Hall
> Princeton University                    tel: (609) 258-1319
> Princeton, NJ  08544-0710            e-mail: address@hidden
> -----------------------------------------------------------------------------
> 
> 
> ------- End of Forwarded Message

Regards,
Steve Emmerson   <http://www.unidata.ucar.edu>