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Feature Implementation for "setting spine default location displacement rcParams" *ATTEMPT 2* - DRAFT PR #30024

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5 changes: 5 additions & 0 deletions lib/matplotlib/mpl-data/matplotlibrc
Original file line number Diff line number Diff line change
Expand Up @@ -420,6 +420,11 @@
#axes.spines.top: True
#axes.spines.right: True

#axes.spines.left.position: outward, 0.0 # set (outward, axes, data) position
#axes.spines.bottom.position: outward, 0.0
#axes.spines.top.position: outward, 0.0
#axes.spines.right.position: outward, 0.0

#axes.unicode_minus: True # use Unicode for the minus symbol rather than hyphen. See
# https://en.wikipedia.org/wiki/Plus_and_minus_signs#Character_codes
#axes.prop_cycle: cycler(color='tab10')
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5 changes: 5 additions & 0 deletions lib/matplotlib/mpl-data/stylelib/classic.mplstyle
Original file line number Diff line number Diff line change
Expand Up @@ -215,6 +215,11 @@ axes.prop_cycle : cycler('color', 'bgrcmyk')
# as list of string colorspecs:
# single letter, long name, or
# web-style hex
axes.spines.bottom.position: outward, 0.0
axes.spines.left.position: outward, 0.0
axes.spines.right.position: outward, 0.0
axes.spines.top.position: outward, 0.0

axes.autolimit_mode : round_numbers
axes.xmargin : 0 # x margin. See `axes.Axes.margins`
axes.ymargin : 0 # y margin See `axes.Axes.margins`
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5 changes: 5 additions & 0 deletions lib/matplotlib/rcsetup.py
Original file line number Diff line number Diff line change
Expand Up @@ -1108,6 +1108,11 @@ def _convert_validator_spec(key, conv):
"axes.spines.bottom": validate_bool, # denoting data boundary.
"axes.spines.top": validate_bool,

"axes.spines.left.position": validate_anylist,
"axes.spines.right.position": validate_anylist,
"axes.spines.bottom.position": validate_anylist,
"axes.spines.top.position": validate_anylist,

"axes.titlesize": validate_fontsize, # Axes title fontsize
"axes.titlelocation": ["left", "center", "right"], # Axes title alignment
"axes.titleweight": validate_fontweight, # Axes title font weight
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8 changes: 6 additions & 2 deletions lib/matplotlib/spines.py
Original file line number Diff line number Diff line change
Expand Up @@ -202,8 +202,12 @@

def _ensure_position_is_set(self):
if self._position is None:
# default position
self._position = ('outward', 0.0) # in points
# default position in points
default_pos = mpl.rcParams[f'axes.spines.{self.spine_type}.position']
if len(default_pos) == 1:
self._position = default_pos[0]

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else:
self._position = [default_pos[0], float(default_pos[1])]
self.set_position(self._position)

def register_axis(self, axis):
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