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Add new "reset" property to clear (cla) method #28974

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Add new "reset" property to clear (cla) method #28974

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16 changes: 8 additions & 8 deletions lib/matplotlib/axes/_base.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1262,7 +1262,7 @@ def sharey(self, other):
self.set_ylim(y0, y1, emit=False, auto=other.get_autoscaley_on())
self.yaxis._scale = other.yaxis._scale

def __clear(self):
def __clear(self, **kwargs):
"""Clear the Axes."""
# The actual implementation of clear() as long as clear() has to be
# an adapter delegating to the correct implementation.
Expand All @@ -1279,7 +1279,7 @@ def __clear(self):
yaxis_visible = self.yaxis.get_visible()

for axis in self._axis_map.values():
axis.clear() # Also resets the scale to linear.
axis.clear(**kwargs) # Also resets the scale to linear.
for spine in self.spines.values():
spine._clear() # Use _clear to not clear Axis again

Expand Down Expand Up @@ -1389,23 +1389,23 @@ def __clear(self):

self.stale = True

def clear(self):
def clear(self, **kwargs):
"""Clear the Axes."""
# Act as an alias, or as the superclass implementation depending on the
# subclass implementation.
if self._subclass_uses_cla:
self.cla()
self.cla(**kwargs)
else:
self.__clear()
self.__clear(**kwargs)

def cla(self):
def cla(self, **kwargs):
"""Clear the Axes."""
# Act as an alias, or as the superclass implementation depending on the
# subclass implementation.
if self._subclass_uses_cla:
self.__clear()
self.__clear(**kwargs)
else:
self.clear()
self.clear(**kwargs)

class ArtistList(Sequence):
"""
Expand Down
40 changes: 29 additions & 11 deletions lib/matplotlib/axis.py
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Original file line number Diff line number Diff line change
Expand Up @@ -848,7 +848,7 @@ def _reset_minor_tick_kw(self):
mpl.rcParams['axes.grid'] and
mpl.rcParams['axes.grid.which'] in ('both', 'minor'))

def clear(self):
def clear(self, **kwargs):
"""
Clear the axis.

Expand All @@ -860,17 +860,35 @@ def clear(self):
- major and minor grid
- units
- registered callbacks
"""
self.label._reset_visual_defaults()
# The above resets the label formatting using text rcParams,
# so we then update the formatting using axes rcParams
self.label.set_color(mpl.rcParams['axes.labelcolor'])
self.label.set_fontsize(mpl.rcParams['axes.labelsize'])
self.label.set_fontweight(mpl.rcParams['axes.labelweight'])
self.offsetText._reset_visual_defaults()
self.labelpad = mpl.rcParams['axes.labelpad']

self._init()
If no *kwargs* are passed *'reset'* is set by default to *False*.

When *'reset'* is set to *False*, part of the formatting of the axis
(labels and relative properties) is left unchanged. Thus, a "soft"
clear is executed in this case.
"""
if len(kwargs) > 1:
_log.debug(
"Method 'clear' can accept only one argument")
if 'reset' in kwargs:
reset = kwargs.pop('reset')
else:
reset = False # Default
if type(reset) is not bool:
reset = False # Default
_log.debug(
"kwarg 'reset' must be a bool. It will be set to False")
if reset:
self.label._reset_visual_defaults()
# The above resets the label formatting using text rcParams,
# so we then update the formatting using axes rcParams
self.label.set_color(mpl.rcParams['axes.labelcolor'])
self.label.set_fontsize(mpl.rcParams['axes.labelsize'])
self.label.set_fontweight(mpl.rcParams['axes.labelweight'])
self.offsetText._reset_visual_defaults()
self.labelpad = mpl.rcParams['axes.labelpad']

self._init()

self._set_scale('linear')

Expand Down