[ncl-talk] esmf regrid

[Buzan, Jonathan R]

Hello NCL-Talk, 

I tried to do the reverse (high -> low), and received the same error.  It seems that the high resolution grid is too large.

ncendef: ncid 196608: NetCDF: One or more variable sizes violate format constraints

-Jonathan





> On Sep 21, 2017, at 2:32 PM, Buzan, Jonathan R <jbuzan at purdue.edu> wrote:
> 
> Hello NCL-Talk,
> 
> I am attempting to regrid 0.5x0.5 (360x720) to 0.5’x0.5’ (17400x43200) resolution.  I am not sure what I am doing wrong.
> 
> 
> Error:
> 
> (0)     get_src_grid_info: source lat dims = (360)
> (0)     get_src_grid_info: source lon dims = (720)
> (0)     get_src_grid_info: source grid type is 'rectilinear'
> (0)     curvilinear_to_SCRIP: calculating grid corners...
> (0)     curvilinear_to_SCRIP: no lat values are at the poles, so
> (0)            calculating grid corners using
> (0)            calc_SCRIP_corners_noboundaries...
> (0)     calc_SCRIP_corners_noboundaries
> (0)          min/max original lat: -89.75/89.75
> (0)          min/max original lon: -179.75/179.75
> (0)     calc_SCRIP_corners_noboundaries
> (0)          min/max Extlat2d: -90.25/90.25
> (0)          min/max Extlon2d: -180.25/180.25
> (0)     calc_SCRIP_corners_noboundaries
> (0)          min/max ExtGridCenter_lat: -90/90
> (0)          min/max ExtGridCenter_lon: -180/180
> (0)     =====> CPU Elapsed Time: rectilinear_to_SCRIP: 0.182972 seconds <=====
> (0)     get_dst_grid_info: destination lat dims = (17400)
> (0)     get_dst_grid_info: destination lon dims = (43200)
> 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)
> 
> relevant code:
> 
> 	Opt                  = True
> 	Opt at InterpMethod     = "bilinear";"conser"
> ;	Opt at InterpMethod     = "neareststod";"conser"
> ;	Opt at InterpMethod     = "bilinear";"conser"
> 	Opt at WgtFileName      = wgt_FILE_NAME
> 	print("madeit1")
> 	Opt at SrcLargeFile     = "True"
> 	print("madeit2")
> 	Opt at DstLargeFile     = "True"
> 	print("madeit3")
> 	Opt at SrcGridLat     = latyi
>    	Opt at SrcGridLon     = lonxi
> 	Opt at SrcRegional    = False
> 	Opt at ForceOverwrite = True
> 	Opt at Debug          = True
> 	Opt at PrintTimings   = True
> 
> ;********* Desired lat lon **************
> 
>      Opt at DstGridLat = latyo
>      Opt at DstGridLon = long
> 
>      cntrycodes         = ESMF_regrid(PRECTmms_targetfile,Opt)
> 
> 
> 
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