Re: how to add the many netcdf files

[Ansley Manke <Ansley.B.Manke@xxxxxxxx>]

Hi all,
We determined that Yogesh needed to do this after appending
each time step :

    cancel data input_file.nc
    cancel memory

and then he was successful using all 50 files.


Ansley Manke

"Yogesh K. Tiwari" wrote:

> Hello Ansley,
>
> I used the second option, as you suggested, SAVE/APPEND command to add
> 50 netcdf files in to a single 'concat.cdf' file.
>
> My each file size is 762K.
>
> After adding only first 32 files ferret crashes on the following error:
>
> !--------------------------------------------------------------
> add_connect: too many connects, cannot add another
>   ** netCDF error: Attribute not found
>   could not open CDF output file:
>   concat.cdf
> LIST/FORMAT=CDF/append/file=concat.cdf NBOX,CO2,STD_CO2
> Command file, command group, or REPEAT execution aborted
> !-----------------------------------------------------------
>
> Please help,
>
> Thanks,
>
> Yogesh
>
> > Hello Yogesh,
> > This FAQ addresses a very similar question, and gives two different
> > options; one is the descriptor file suggested by Steve Cousins in his
> > earlier reply, and the other is to use Ferret's SAVE/APPEND command
> > to make a single NetCDF file.
> >
> >   http://www.ferret.noaa.gov/Ferret/FAQ/data_management/multi_dataset.html
> >
> > Ansley Manke
> >
> > Yogesh K. Tiwari wrote:
> >
> >> Hello Dear Friends,
> >>
> >> I want to add  many  netcdf files in a one file inside ferret.
> >>
> >> My data files looks like :
> >>
> >> 1>./Data_Jan_1987.nc
> >>
> >> name     title                   I         J         K         L
> >> CO2      CO2 concentration      1:360     1:180     ...       1:1
> >>
> >>
> >> 2>./Data_Feb_1987.nc
> >>
> >> name     title                   I         J         K         L
> >> CO2      CO2 concentration      1:360     1:180     ...       1:1
> >>
> >>
> >>
> >> 3>./Data_March_1987.nc
> >>
> >> name     title                   I         J         K         L
> >> CO2      CO2 concentration      1:360     1:180     ...       1:1
> >>
> >>
> >> -------------------------
> >> -----------------
> >> -------------
> >>
> >> There are many months for many years, total 50 files ----------------
> >> --------------------------------------
> >> --------------
> >>
> >>
> >>
> >> I want to add all the files in a single file so it should look like :
> >>
> >> >./Data_added.nc
> >>
> >> name     title                 I         J         K         L
> >> CO2      CO2 concentration    1:360     1:180     ...       1:50
> >>
> >> Is it possible ??
> >>
> >> Or is there any other way that I can use all the files and plot
> >> timeseries - seasonal cycle and other features.
> >>
> >> Thanks for your help,
> >>
> >> Regards,
> >> Yogesh
> >>
> >>
> >
> >
>
> --
>
> =================================================================
> Yogesh K. Tiwari,
> Max-Planck Institute for Biogeochemistry,
> Hans-Knoell-Strasse 10, D-07745 Jena,         Postal Address:
> Germany                                       Postfach 10 01 64
>                                                D-07701 Jena,
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> e-mail   : yogesh.tiwari@bgc-jena.mpg.de
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