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plot.line(): Draw multiple lines for 2D DataArrays. #1785

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Merged
merged 7 commits into from
Dec 31, 2017
Merged

plot.line(): Draw multiple lines for 2D DataArrays. #1785

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28ae492
plot.line(): Draw multiple lines for 2D DataArrays.
Dec 15, 2017
46b45c6
kwarg tests.
Dec 16, 2017
7d3cf6c
If x is None, choose the longer dimension.
Dec 19, 2017
237ef80
Add 'hue' kwarg.
Dec 19, 2017
3b644e1
Make sure we add a legend only for lines that we plot.
Dec 19, 2017
3c57a1c
Make either x or hue a required argument for 2D inputs.
Dec 19, 2017
fcae02c
Better error message.
Dec 31, 2017
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3 changes: 2 additions & 1 deletion xarray/plot/plot.py
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Original file line number Diff line number Diff line change
Expand Up @@ -208,7 +208,8 @@ def line(darray, *args, **kwargs):
if ndims == 1:
xlabel, = darray.dims
if x is not None and xlabel != x:
raise ValueError('Input does not have specified dimension ' + x)
raise ValueError('Input does not have specified dimension'
+ ' {!r}'.format(x))
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just for future reference: you can skip the + character and rely on implicit string concatenation.

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Didn't know about that. Thanks.


x = darray.coords[xlabel]

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