They are sliced in space(one per processor of a parallel job). I looked at nco but didn't see anything there that would work.
Thanks
Sylvia Murphy wrote:
>jim,
>
>how are your files structured before you bring them into NCL.
>
>if they are slice in time then I would use the netCDF ncrcat operator to
>concatinate in time. If they are sliced in space or level, there is not a
>very efficient way of combining them.
>
>sm
>
>
>
>On Fri, 8 Oct 2004, Jim Edwards wrote:
>
>
>
>>Hi,
>>
>>I have a number of netcdf files (one per processor of a parallel job)
>>that I need to combine
>>to visualize. This has proven to be a painfully slow process and I
>>wonder if any of you have any suggestions on speeding it up.
>>
>>Currently I am using the following ncl:
>>
>>
>> fnames = systemfunc("ls movies/*.nc")
>> f = addfiles(fnames,"r") ; Open netCDF files.
>> fcnt = dimsizes(fnames)
>>
>> vcnt=new((/fcnt,3/),"integer")
>> do i=0,fcnt-1
>> vcnt(i,:) = dimsizes(f[i]->Q)
>> end do
>> ntimes = vcnt(0,0)
>> nlev = vcnt(0,1)
>> nxy = dim_sum(vcnt(:,2))
>>
>> var = new((/ntimes,nlev,nxy/),"double")
>> do n=1,ntimes
>> do k=1,nlev
>> var(n,k,:)=f[:]->Q(n,k,:)
>> end do
>> end do
>>
>>
>>--
>>Jim Edwards jedwards@ucar.edu
>>IBM Applications Analyst
>>NCAR SCD
>>BOULDER CO 303-497-1842
>>
>>
>>_______________________________________________
>>ncl-talk mailing list
>>ncl-talk@ucar.edu
>>http://mailman.ucar.edu/mailman/listinfo/ncl-talk
>>
>>
>>
>
>
>
>******************************************************
>Sylvia Murphy EML: murphys@ucar.edu
>NCAR CGD/CSEG PHN: 303-497-1720
>1850 Table Mesa Drive FAX: 303-497-1333
>Boulder CO 80305
>
>
>WEB: http://www.cgd.ucar.edu/csm/support/
> http://www.cgd.ucar.edu/csm/support/CSM_Graphics/
>******************************************************
>
>
>
>
-- Jim Edwards jedwards@ucar.edu IBM Applications Analyst NCAR SCD BOULDER CO 303-497-1842_______________________________________________ ncl-talk mailing list ncl-talk@ucar.edu http://mailman.ucar.edu/mailman/listinfo/ncl-talk
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