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DOC: Fix docs for linestyles in contour #23892

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Sep 15, 2022
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DOC: Fix docs for linestyles in contour #23892

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31 changes: 16 additions & 15 deletions lib/matplotlib/contour.py
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Original file line number Diff line number Diff line change
Expand Up @@ -785,8 +785,8 @@ def __init__(self, ax, *args,
self._transform = transform

self.negative_linestyles = negative_linestyles
# If negative_linestyles was not defined as a kwarg,
# define negative_linestyles with rcParams
# If negative_linestyles was not defined as a keyword argument, define
# negative_linestyles with rcParams
if self.negative_linestyles is None:
self.negative_linestyles = \
mpl.rcParams['contour.negative_linestyle']
Expand Down Expand Up @@ -1746,26 +1746,27 @@ def _initialize_x_y(self, z):
linestyles : {*None*, 'solid', 'dashed', 'dashdot', 'dotted'}, optional
*Only applies to* `.contour`.

If *linestyles* is *None*, the default is 'solid' unless the lines
are monochrome. In that case, negative contours will take their
linestyle from :rc:`contour.negative_linestyle` setting.
If *linestyles* is *None*, the default is 'solid' unless the lines are
monochrome. In that case, negative contours will instead take their
linestyle from the *negative_linestyles* argument.

*linestyles* can also be an iterable of the above strings
specifying a set of linestyles to be used. If this
iterable is shorter than the number of contour levels
it will be repeated as necessary.
*linestyles* can also be an iterable of the above strings specifying a set
of linestyles to be used. If this iterable is shorter than the number of
contour levels it will be repeated as necessary.

negative_linestyles : {*None*, 'solid', 'dashed', 'dashdot', 'dotted'}, \
optional
*Only applies to* `.contour`.

If *negative_linestyles* is None, the default is 'dashed' for
negative contours.
If *linestyles* is *None* and the lines are monochrome, this argument
specifies the line style for negative contours.

*negative_linestyles* can also be an iterable of the above
strings specifying a set of linestyles to be used. If this
iterable is shorter than the number of contour levels
it will be repeated as necessary.
If *negative_linestyles* is *None*, the default is taken from
:rc:`contour.negative_linestyles`.

*negative_linestyles* can also be an iterable of the above strings
specifying a set of linestyles to be used. If this iterable is shorter than
the number of contour levels it will be repeated as necessary.

hatches : list[str], optional
*Only applies to* `.contourf`.
Expand Down