[ncl-talk] Problem with regridding BNU-ESM (curvilinear) to rectilinear

[Dennis Shea]

As noted by Rick, there is not enough information.
Please include the information that was suggested.
Also you could include the output from:

%> ncdump -h BNU_ESM.source_file.nc > out.BNU_ESM.txt
or
%> ncl_filedump BNU_ESM.source_file.nc > out.BNU_ESM.txt

Then attach the output when posting/responding.

===
There is an ORCA tri-polar grid example at:
*http://www.ncl.ucar.edu/Applications/ESMF.shtml*
<http://www.ncl.ucar.edu/Applications/ESMF.shtml>
ESMF_regrid_7
===
Could you please make the file available?  Dropbox or use ftp:

ftp ftp.cgd.ucar.edu
anonymous
your_email
cd incoming
put .... BNU_ESM.source ...
quit

After successful completion, please send the name of the file.

If the source file is large and has multiple time steps, you can reduce the
file size via:

*%>* ncks -d time,0  BNU_ESM.source_file.nc   BNU_ESM.one_time_step_file.nc

Then send the BNU_ESM.one_time_step_file.nc file.



On Sat, Feb 15, 2020 at 10:55 AM Rick Brownrigg via ncl-talk <
ncl-talk at ucar.edu> wrote:

> Hi,
>
> This does not appear to be a complete script; for example, where does
> "sst" come from?
>
> The error message is fairly descriptive; somewhere there's a mismatch
> between the data coming in and the requirements for ESMF_regrid(). To
> find/understand that, I would do:
>
>   printVarSummary(tas)
>   printVarSummary(sst)
>   printVarSummary(lat2D)
>   printVarSummary(lon2D)
>
>
> HTH...
> Rick
>
>
> On Sat, Feb 15, 2020 at 10:05 AM Morteza Qadimi via ncl-talk <
> ncl-talk at ucar.edu> wrote:
>
>> Dear NCL wizards,
>>
>>
>>
>> I want to regrid BNU-ESM (which is tripolar curvilinear) to rectilinear
>> using ESMF_regrid. You can find my code below:
>>
>>
>>
>> tas               = in->tas
>>
>> lat2d           = in->lat
>>
>> lon2d          = in->lon
>>
>> sst at lat2d  = lat2d
>>
>> sst at lon2d = lon2d
>>
>> lat = fspan(-90,90,181)
>>
>> lon = fspan(0.5,359.5,360)
>>
>>
>>
>> Opt                = True
>>
>>
>>
>> Opt at SrcGridType     = "curvilinear"
>>
>> Opt at SrcFileName     = "ORCA_SCRIP.nc"
>>
>> Opt at DstFileName     = "World1deg_SCRIP.nc"
>>
>> Opt at WgtFileName    = "ORCA_2_World_SCRIP.nc"
>>
>> Opt at ForceOverwrite = True
>>
>> Opt at DstGridType       = "1deg"
>>
>> Opt at DstTitle                = "World grid 1x1 degree resolution"
>>
>> Opt at InterpMethod = “bilinear”
>>
>>
>>
>>
>>
>> tas_regrid = ESMF_regrid(sst,Opt)
>>
>> printVarSummary(tos_regrid)
>>
>>
>>
>> but I get an annoying error saying that:
>>
>>
>>
>> fatal:Number of dimensions in parameter (1) of (curvilinear_to_SCRIP) is
>> (1), (2) dimensions were expected
>>
>> fatal:["Execute.c":8637]:Execute: Error occurred at or near line 3882 in
>> file $NCARG_ROOT/lib/ncarg/nclscripts/esmf/ESMF_regridding.ncl
>>
>>
>>
>> fatal:["Execute.c":8637]:Execute: Error occurred at or near line 4010 in
>> file $NCARG_ROOT/lib/ncarg/nclscripts/esmf/ESMF_regridding.ncl
>>
>>
>>
>> Any solution?
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>
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