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Polar Stereographic South to Regular Lat-lon using Remapbil

Added by Aswathi Das over 2 years ago

Hi everyone,

I'm trying to remap Polar Stereographic South projection to Regular latitude-longitude.

While using the command :
cdo -f nc remapbil,r2000x2000 bed_topo.nc v01_bed_topo_remapbil.nc
Getting an error:
cdo remapbil (Abort): Unsupported generic coordinates (Variable: BED)!

Data detail is given by:
ncdump -h bed_topo.nc

netcdf bed_topo {
dimensions:
X1_2000 = 2000 ;
Y1_2000 = 2000 ;
variables:
int X1_2000(X1_2000) ;
X1_2000:long_name = "Cartesian x-coordinate" ;
X1_2000:units = "meter" ;
X1_2000:point_spacing = "even" ;
X1_2000:axis = "X" ;
int Y1_2000(Y1_2000) ;
Y1_2000:long_name = "Cartesian y-coordinate" ;
Y1_2000:units = "meter" ;
Y1_2000:point_spacing = "even" ;
Y1_2000:axis = "Y" ;
float BED ;
BED:_FillValue = -9999.f ;
BED:long_name = "bed topography" ;
BED:units = "meters" ;
BED:history = "From BedMachineAntarctica_2020-07-15_v02" ;

// global attributes:
:history = "PyFerret V7.5 (optimized) 28-Nov-21" ;
:Conventions = "CF-1.6" ;

Also, the data file is attached(bed_topo.nc).

Thank you.


Replies (1)

RE: Polar Stereographic South to Regular Lat-lon using Remapbil - Added by Ralf Mueller over 2 years ago

in your file there is no information about any projection. CDO cannot figure out the grid because it does not use CF-conform description. coordinates in meters do not tell anything about the location in lon/lat, sry.

cheers
ralf

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