Re: Question about wkSpaceTime

For handling NetCDF4 files, you may also check this:

http://www.ncl.ucar.edu/Support/talk_archives/2013/1995.html

Wei

huangwei@ucar.edu
VETS/CISL
National Center for Atmospheric Research
P.O. Box 3000 (1850 Table Mesa Dr.)
Boulder, CO 80307-3000 USA
(303) 497-8924

On Nov 13, 2013, at 3:49 PM, Dennis Shea <shea@ucar.edu> wrote:

> The 'too many files' (~1200) is, I think, a system issue.
>
> Note the FAQ # 26 under: File input/output
>
> http://www.ncl.ucar.edu/FAQ/
> ===================================
> FAQ: I'm running into a problem when opening lots of files with
> addfile or addfiles ("Too many files open").
>
> If you need to open lots of files with addfiles, then call
> setfileoption as follows, before you call addfiles:
>
> setfileoption("nc", "SuppressClose", False)
>
> The number of files you can have open at any time is dependent on
> your system. A general limit seems to be around 1024.
> ==========================================
>
> Let ncl-talk know if this solves your issue.
>
> D
>
>
>
> On 11/13/13 10:23 AM, Winston C. Chao wrote:
>> Dear Sir,
>>
>> I am using the NCL function
>> wkSpaceTime
>>
>> If I set the parameters:
>> nDayWin = 96 ; Wheeler-Kiladis [WK] temporal window length (days)
>> spd = 8 ; samples per day
>>
>> such that their product (the total number of files used) is greater than
>> 1200, the function does not work. It works well
>> if their product is lower than 960.
>>
>> Any idea about what needs to be done if the product is greater than 1200?
>>
>> I have put my files in our anonymous ftp site and they can be accessed by
>> "ftp dirac.gsfc.nasa.gov" and then "cd pub/ecu/g30e017plots"
>>
>> The filename of the run script is model.ncl.test
>>
>> You can test it with
>> nDayWin = 96 (it should work)
>> and then with
>>
>> nDayWin = 196 (it will fail)
>>
>>
>>
>> Thanks,
>>
>> Winston Chao
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Received on Wed Nov 13 16:17:56 2013