[MITgcm-support] Problems

[Martin Losch]

Hi Mehrdad,

Michael’s (very good) suggestions with the singleCPUio/globalFile flags unfortunately works only for mds output (the *.meta/data pairs), but for netcdf (i.e., mnc), the singleCPUio/globalFile flags have no effect (not implemented).

The current workaround is to use post-processing tools. I find the python script utils/python/MITgcmutils/scripts/gluemncbig most useful (requrires a working python installation).
Alternatively there is the script pair gluemnc xplodemnc in utils/scripts (require the nco operators: nco.sourceforge.net)

M.

On May 18, 2014, at 12:40 AM, Michael Schaferkotter <schaferk at bellsouth.net> wrote:

> For density in output files
> 
> 1) In ./code sub directory you might have to modify DIAGNOSTICS_SIZE.h, depending on size of domain and how much data you write out.
> 
> 2) in ./run sub directory
> 
> a) data.pkg
> 
>  useDiagnostics=.TRUE.
> 
>  b) data.diagnostics
> 
>   &diagnostics_list
> 
> 
>   frequency(k)=-3600.,                          (For hourly dump)
>   timePhase(k)=0.,
>   fields(1,k)='RHOAnoma',
>    filename(k)='Rhoanoma',
> 
> Where k is the kth variable in the list. 
> 
> 
> 
>  For combining data into single files,
> 
> In ./run/data
> 
> globalFiles=.FALSE.
> useSingleCpuIO=.TRUE.
> 
> Also you/ll need to properly configure the mnc package similarly to the diagnostics package and compile with compiler compatible netCDF libraries.
> 
> 
> Sent from an iOS device.
> 
>> On May 17, 2014, at 14:48, meh tab <meryzoon at gmail.com> wrote:
>> 
>> Dear sir/Madam,
>> I have started using MITgcm software, recently for modeling internal
>> wave. I have faced some problems and I could not understand the user's
>> manual guidelines related to these problems. My problems are:
>> 1- How can we add density variable to nc output file?
>> 2- When using multiple CPU cores, the results are broken into several
>> different files. How can I gather the results into one unique file?
>> Beforehand, I appreciate your kindness for kind attention to my email.
>> Sincerely Yours,
>> Mehrdad Tabatabaei
>> 
>> _______________________________________________
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>> MITgcm-support at mitgcm.org
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> 
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