Example 20: Case where user-defined axis labels are required

A case where a default plot has an axis with labels that are too dense and overlap, such that user-defined axis labels are required (see Example 21)

fl = cf.read(f"{self.data_dir}/Geostropic_Adjustment.nc")
f = fl.select_by_identity("ncvar%v")[0]

cfp.con(f.subspace[9])