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Avoid quadratic behavior when accumulating stickies. #12546

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Oct 17, 2018
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Avoid quadratic behavior when accumulating stickies. #12546

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8 changes: 4 additions & 4 deletions lib/matplotlib/axes/_base.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2405,12 +2405,12 @@ def autoscale_view(self, tight=None, scalex=True, scaley=True):

if self.use_sticky_edges and (self._xmargin or self._ymargin):
stickies = [artist.sticky_edges for artist in self.get_children()]
x_stickies = sum([sticky.x for sticky in stickies], [])
y_stickies = sum([sticky.y for sticky in stickies], [])
x_stickies = np.array([x for sticky in stickies for x in sticky.x])
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np.isclose is called just below anyways so converting to array here vs just below shouldn't affect performance.

y_stickies = np.array([y for sticky in stickies for y in sticky.y])
if self.get_xscale().lower() == 'log':
x_stickies = [xs for xs in x_stickies if xs > 0]
x_stickies = x_stickies[x_stickies > 0]
if self.get_yscale().lower() == 'log':
y_stickies = [ys for ys in y_stickies if ys > 0]
y_stickies = y_stickies[y_stickies > 0]
else: # Small optimization.
x_stickies, y_stickies = [], []

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