[ncl-talk] Error: ESMF to map 10min to 30 sec

[Mary Haley]

There's an option to ESMF_regrid that allows you to set the NetCDF type:

    Opt at NetCDFType        = "netcdf4"

I am unable to test this on cheyenne since it is down at the moment, but
this should force all output files to use NetCDF-4, hence allowing for
large variables.

--Mary


On Sun, Sep 23, 2018 at 10:31 PM, Dennis Shea <shea at ucar.edu> wrote:

> Hi Sarah
>
> *The Bad:*
> I think there is an issue with the ESMF regridding. I do not understand
> it. I may have to open a JIRA ticket.
>
> *The Good:*
> I used* linint2_Wrap
> <http://www.ncl.ucar.edu/Document/Functions/Contributed/linint2_Wrap.shtml>
> *to create the high resolution netCDF4_Classic file. For a 21600 x 43200
> grid, linint2_Wrap is VERY slow. However, The values are likely the same or
> very close to ESMF bilinear regridding.
>
> */glade/work/shea/TEST/SARAH/LININT2/LININT2_HTOPO.USGS-huy3-S1D_21_30sec.nc
> <http://LININT2_HTOPO.USGS-huy3-S1D_21_30sec.nc>*
>
> More later
> D
>
> On Thu, Sep 20, 2018 at 8:37 AM Sarah Bradley - CITG <
> S.L.Bradley-1 at tudelft.nl> wrote:
>
>> Hello
>>
>> I am trying to map a 10min global file to a 30 sec grid using the ESMF
>> mapping software
>>
>> I have attached my ncl script
>>
>> The error message I receive is:
>>
>> Copyright (C) 1995-2017 - All Rights Reserved
>>  University Corporation for Atmospheric Research
>>  NCAR Command Language Version 6.4.0
>>  The use of this software is governed by a License Agreement.
>>  See http://www.ncl.ucar.edu/ for more details.
>> (0) =====> CPU Elapsed Time: rectilinear_to_SCRIP: 1.408 seconds <=====
>> ncendef: ncid 196608: NetCDF: One or more variable sizes violate format
>> constraints
>> fatal:NetCDF: Operation not allowed in define mode: error attempting to
>> write variable (grid_dims) to file (destination_grid_file.nc)
>> fatal:["Execute.c":8640]:Execute: Error occurred at or near line 1711 in
>> file $NCARG_ROOT/lib/ncarg/nclscripts/esmf/ESMF_regridding.ncl
>>
>> fatal:["Execute.c":8640]:Execute: Error occurred at or near line 1847 in
>> file $NCARG_ROOT/lib/ncarg/nclscripts/esmf/ESMF_regridding.ncl
>>
>> fatal:["Execute.c":8640]:Execute: Error occurred at or near line 3910 in
>> file $NCARG_ROOT/lib/ncarg/nclscripts/esmf/ESMF_regridding.ncl
>>
>> fatal:["Execute.c":8640]:Execute: Error occurred at or near line 4051 in
>> file $NCARG_ROOT/lib/ncarg/nclscripts/esmf/ESMF_regridding.ncl
>>
>> fatal:["Execute.c":8640]:Execute: Error occurred at or near line 90 in
>> file remap_10min-30sec_ESMF.ncl
>>
>> I found that as the 30sec file was large, I needed to specify this in the
>> script.
>>
>> I hope you can help,
>>
>> Sarah Bradley
>>
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