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Fix contour plot error highlighted by ORCA2 grid example #83
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In #97, a patch was included after the issue was identified as the requirement for masking invalid values else the contour plot call falls over, as follows, though this should be moved into the code and handled under-the-hood and not with a call to
np.ma.masked_invalidin the snippet as is the present workaround:# Mask NaN else the plot will fail with: # Traceback (most recent call last): # File "/home/slb93/git-repos/cf-plot/cfplot/test/test_examples.py", line 1030, in test_example_unstructured_orca_1 # cfp.con(f=temp, x=lons.array, y=lats.array, ptype=1) # File "/home/slb93/git-repos/cf-plot/cfplot/cfplot.py", line 3297, in con # _cf_data_assign(f, colorbar_title, verbose=verbose) # File "/home/slb93/git-repos/cf-plot/cfplot/cfplot.py", line 1379, in _cf_data_assign # myz = find_z(f) # ^^^^^^^^^ # File "/home/slb93/git-repos/cf-plot/cfplot/cfplot.py", line 10748, in find_z # mycoords = find_dim_names(f) # ^^^^^^^^^^^^^^^^^ # File "/home/slb93/git-repos/cf-plot/cfplot/cfplot.py", line 10720, in find_dim_names # if field.coord(coords[i]).X: # ~~~~~~^^^ # IndexError: list index out of range # TODO apply this at relevant place in code, instead temp = np.ma.masked_invalid(temp)
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Investigate and fix test failure whereby an
IndexErrorcan appear to prevent a contour plot being made from code which should work, specifically as per the (just refreeshed) docs example: