Re: Problems with ESMF_regrid

Hi Jane,

Just out of curiosity, do you get an error if you use the "bilinear" or "patch" method?

Can you provide your script and data so we can run it here? I need to see what's causing the
"concave cell" error, and I also may need to forward this to the ESMF folks.

If you can provide the script and data, and you don't have a place to put the files, then see
our ftp information at:

http://www.ncl.ucar.edu/report_bug.shtml#HowToFTP

--Mary

On Sep 12, 2012, at 3:18 AM, jokalebo@huskers.unl.edu wrote:

> Dear all,
>
>
> I am using ESMF_regrid to regrid a WRF.nc file to destination file: NARR.nc. I am using the ESMF_regrid_16.ncl example.
> The projection of both the WRF and NARR files are lambert conformal. I think they are both curvilinear.
>
>
> However I was not successful
>
> (0) ESMF_regrid_gen_weights: output from 'ESMF_RegridWeightGen':
> (0) Starting weight generation with these inputs:
> (1) Source File: source_grid_file.nc
> (2) Destination File: destination_grid_file.nc
> (3) Weight File: weights_file.nc
> (4) Source File is in SCRIP format
> (5) Source Grid is a regional grid
> (6) Source Grid is a logically rectangular grid
> (7) Destination File is in SCRIP format
> (8) Destination Grid is a regional grid
> (9) Destination Grid is a logically rectangular grid
> (10) Regrid Method: conserve
> (11) Pole option: NONE
> (12) Ignore unmapped destination points
> (13)
> (14) ERROR: Problem on processor 0 . Please see the PET*.RegridWeightGen.Log files for a traceback.
> (0) --------------------------------------------------
> (0) ESMF_regrid_gen_weights: 'ESMF_RegridWeightGen' was not successful.
>
>
> I opened the PET*.RegridWeightGen.Log files and have these statements:
>
>
> 20120912 040805.390 INFO PET0 Running with ESMF Version 5.2.0rp2
> 20120912 040806.638 ERROR PET0 ESMCI_Regrid_F.C:146 c_esmc_regrid_create() Invalid argument - Dst contains a concave cell
> 20120912 040806.638 ERROR PET0 ESMCI_Regrid_F.C:282 c_esmc_regrid_create() Invalid argument Internal subroutine call returned Error
> 20120912 040806.638 ERROR PET0 ESMF_Regrid.F90:383 ESMF_RegridStore Invalid argument - Internal subroutine call returned Error
> 20120912 040806.638 ERROR PET0 ESMF_FieldRegrid.F90:771 ESMF_FieldRegridStoreNX Invalid argument - Internal subroutine call returned Error
>
>
> Jane Okalebo
> PhD student
> HPRCC, School of Natural Resources
> University of Nebraska-Lincoln
> 249 Hardin Hall
> 3310 Holdrege,
> Lincoln, Nebraska 68583-0749 U.S.A.
>
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Received on Wed Sep 12 10:05:03 2012