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https://github.com/pydata/xarray/issues/2915#issuecomment-485928903 https://api.github.com/repos/pydata/xarray/issues/2915 485928903 MDEyOklzc3VlQ29tbWVudDQ4NTkyODkwMw== 6628425 2019-04-23T18:50:19Z 2019-04-23T18:50:19Z MEMBER

Thanks @fabienpaulot -- this could probably use a better error message. The arguments passed to x and y must be dimension or coordinate names of the DataArray rather than DataArrays themselves. In your case you can assign xcntr and ycntr as coordinates of test and then plot:

python test = test.assign_coords(x=xcntr.rename({'nxp': 'xh', 'nyp': 'yh'}), y=ycntr.rename({'nxp': 'xh', 'nyp': 'yh'})) test['nh4_stf'].plot.contourf(x='x', y='y', ax=ax, transform=ccrs.PlateCarree())

The renaming is necessary so the dimension names match that of test.

 
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