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Fix: have apply_aspect keep track of user-set limits #30265

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Fix: have apply_aspect keep track of user-set limits #30265

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20 changes: 16 additions & 4 deletions lib/matplotlib/axes/_base.py
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Original file line number Diff line number Diff line change
Expand Up @@ -687,6 +687,8 @@ def __init__(self, fig,
self._forward_navigation_events = forward_navigation_events
self._sharex = sharex
self._sharey = sharey
self._orig_xbound = None
self._orig_ybound = None
self.set_label(label)
self.set_figure(fig)
# The subplotspec needs to be set after the figure (so that
Expand Down Expand Up @@ -2019,8 +2021,8 @@ def apply_aspect(self, position=None):

x_trf = self.xaxis.get_transform()
y_trf = self.yaxis.get_transform()
xmin, xmax = x_trf.transform(self.get_xbound())
ymin, ymax = y_trf.transform(self.get_ybound())
xmin, xmax = self._orig_xbound or x_trf.transform(self.get_xbound())
ymin, ymax = self._orig_ybound or y_trf.transform(self.get_ybound())
xsize = max(abs(xmax - xmin), 1e-30)
ysize = max(abs(ymax - ymin), 1e-30)

Expand Down Expand Up @@ -2072,18 +2074,26 @@ def apply_aspect(self, position=None):
yc = 0.5 * (ymin + ymax)
y0 = yc - Ysize / 2.0
y1 = yc + Ysize / 2.0
self.set_ybound(y_trf.inverted().transform([y0, y1]))
if not self.get_autoscaley_on():
_log.warning("Ignoring fixed y limits to fulfill fixed data aspect "
"with adjustable data limits.")
self.set_ybound(y_trf.inverted().transform([y0, y1]))
self._orig_ybound = (ymin, ymax)
if self._orig_xbound is not None:
# We previously expanded x, so revert that
self.set_xbound(x_trf.inverted().transform([xmin, xmax]))
else:
xc = 0.5 * (xmin + xmax)
x0 = xc - Xsize / 2.0
x1 = xc + Xsize / 2.0
self.set_xbound(x_trf.inverted().transform([x0, x1]))
if not self.get_autoscalex_on():
_log.warning("Ignoring fixed x limits to fulfill fixed data aspect "
"with adjustable data limits.")
self.set_xbound(x_trf.inverted().transform([x0, x1]))
self._orig_xbound = (xmin, xmax)
if self._orig_ybound is not None:
# We previously expanded y, so revert that
self.set_ybound(y_trf.inverted().transform([ymin, ymax]))

def axis(self, arg=None, /, *, emit=True, **kwargs):
"""
Expand Down Expand Up @@ -3810,6 +3820,7 @@ def set_xlim(self, left=None, right=None, *, emit=True, auto=False,

>>> set_xlim(5000, 0)
"""
self._orig_xbound = None
if right is None and np.iterable(left):
left, right = left
if xmin is not None:
Expand Down Expand Up @@ -4059,6 +4070,7 @@ def set_ylim(self, bottom=None, top=None, *, emit=True, auto=False,

>>> set_ylim(5000, 0)
"""
self._orig_ybound = None
if top is None and np.iterable(bottom):
bottom, top = bottom
if ymin is not None:
Expand Down
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