[ncl-talk] Error getting weights to regrid from rectilinear to curvilinear - ESMF

[Dennis Shea]

A guess:

Cha
  test_mask = src_file->pcp
To:
  test_mask = src_file->pcp(0,:,:)

Good Luck

On Wed, Nov 14, 2018 at 10:22 AM Mirce Morales <mirce.morales at gmail.com>
wrote:

> Dear All,
>
> I am kind of new using NCL and I am trying to regrid some TRMM_3B24 data
> (0.25°x0.25°) to the resolution in my geogrid file (1km), however, I am
> having a problem when I try to calculate the weights. It crashes in the
> following line:
>
> rectilinear_to_SCRIP( src_SCRIP_filename, src_lat, src_lon, Opt)
> fatal:Eq: Dimension size, for dimension number 0, of operands does not
> match, can't continue
>
> If it's helpful, the printVarSummary of the input in the function is the
> following:
> Variable: src_lat
> Type: double
> Total Size: 56 bytes
>             7 values
> Number of Dimensions: 1
> Dimensions and sizes:   [latitude | 7]
> Coordinates:
>             latitude: [16.875..18.375]
> Number Of Attributes: 2
>   units :       degrees_north
>   long_name :   Latitude
>
> Variable: src_lon
> Type: double
> Total Size: 48 bytes
>             6 values
> Number of Dimensions: 1
> Dimensions and sizes:   [longitude | 6]
> Coordinates:
>             longitude: [-93.125..-91.875]
> Number Of Attributes: 2
>   units :       degrees_east
>   long_name :   Longitude
>
> Variable: src_SCRIP_filename
> Type: string
> Total Size: 8 bytes
>             1 values
> Number of Dimensions: 1
> Dimensions and sizes:   [1]
>
> The scripts I am using are based on ESMF utilities to regrid from
> rectilinear to curvilinear:
>
> TRMM2WRFHydro_generate_weights.ncl
> TRMM2WRFHydro_regrid.ncl
>
> The data and scripts are in the following path on Cheyenne:
> /glade/scratch/mirce/LaSierra/FullDomainForcing/TRMM_3B24_Cut
>
> I can't see clearly why I am getting this error and besides, I am not sure
> about how to know if my grids are rectilinear or curvilinear, I am
> supposing that TRMM is rectilinear and I know that the geogrid file is
> curvilinear, but for another files I am not quite sure how to check that.
>
> I will appreciate a lot any help about it and the error.
>
> Thanks!
> Mirce.
>
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