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Make sure SubFigure has _cachedRenderer #23174

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Merged
merged 1 commit into from
Jun 2, 2022
Merged

Make sure SubFigure has _cachedRenderer #23174

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8 changes: 8 additions & 0 deletions lib/matplotlib/figure.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2060,6 +2060,14 @@ def dpi(self):
def dpi(self, value):
self._parent.dpi = value

@property
def _cachedRenderer(self):
return self._parent._cachedRenderer

@_cachedRenderer.setter
def _cachedRenderer(self, renderer):
self._parent._cachedRenderer = renderer

def _redo_transform_rel_fig(self, bbox=None):
"""
Make the transSubfigure bbox relative to Figure transform.
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20 changes: 20 additions & 0 deletions lib/matplotlib/tests/test_contour.py
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Expand Up @@ -585,3 +585,23 @@ def test_all_algorithms():
ax.contourf(x, y, z, algorithm=algorithm)
ax.contour(x, y, z, algorithm=algorithm, colors='k')
ax.set_title(algorithm)


def test_subfigure_clabel():
# Smoke test for gh#23173
delta = 0.025
x = np.arange(-3.0, 3.0, delta)
y = np.arange(-2.0, 2.0, delta)
X, Y = np.meshgrid(x, y)
Z1 = np.exp(-(X**2) - Y**2)
Z2 = np.exp(-((X - 1) ** 2) - (Y - 1) ** 2)
Z = (Z1 - Z2) * 2

fig = plt.figure()
figs = fig.subfigures(nrows=1, ncols=2)

for f in figs:
ax = f.subplots()
CS = ax.contour(X, Y, Z)
ax.clabel(CS, inline=True, fontsize=10)
ax.set_title("Simplest default with labels")