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Commitfc51b41

Browse files
tacaswellMeeseeksDev[bot]
authored and
MeeseeksDev[bot]
committed
Backport PRmatplotlib#14598: Fix inversion of shared axes.
1 parentcdf9e30 commitfc51b41

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2 files changed

+21
-10
lines changed

2 files changed

+21
-10
lines changed

‎lib/matplotlib/axis.py

Lines changed: 14 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -1004,11 +1004,10 @@ def set_inverted(self, inverted):
10041004
the top for the y-axis; the "inverse" direction is increasing to the
10051005
left for the x-axis and to the bottom for the y-axis.
10061006
"""
1007-
a,b=self.get_view_interval()
1008-
ifinverted:
1009-
self.set_view_interval(max(a,b),min(a,b),ignore=True)
1010-
else:
1011-
self.set_view_interval(min(a,b),max(a,b),ignore=True)
1007+
# Currently, must be implemented in subclasses using set_xlim/set_ylim
1008+
# rather than generically using set_view_interval, so that shared
1009+
# axes get updated as well.
1010+
raiseNotImplementedError('Derived must override')
10121011

10131012
defset_default_intervals(self):
10141013
"""
@@ -2156,6 +2155,11 @@ def get_ticks_position(self):
21562155
defget_minpos(self):
21572156
returnself.axes.dataLim.minposx
21582157

2158+
defset_inverted(self,inverted):
2159+
# docstring inherited
2160+
a,b=self.get_view_interval()
2161+
self.axes.set_xlim(sorted((a,b),reverse=inverted),auto=None)
2162+
21592163
defset_default_intervals(self):
21602164
# docstring inherited
21612165
xmin,xmax=0.,1.
@@ -2458,6 +2462,11 @@ def get_ticks_position(self):
24582462
defget_minpos(self):
24592463
returnself.axes.dataLim.minposy
24602464

2465+
defset_inverted(self,inverted):
2466+
# docstring inherited
2467+
a,b=self.get_view_interval()
2468+
self.axes.set_ylim(sorted((a,b),reverse=inverted),auto=None)
2469+
24612470
defset_default_intervals(self):
24622471
# docstring inherited
24632472
ymin,ymax=0.,1.

‎lib/matplotlib/tests/test_axes.py

Lines changed: 7 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -244,17 +244,19 @@ def test_inverted_cla():
244244
ax.cla()
245245
ax.imshow(img)
246246
plt.autoscale()
247-
assertnot(ax.xaxis_inverted())
247+
assertnotax.xaxis_inverted()
248248
assertax.yaxis_inverted()
249249

250-
# 5. two shared axes. Clearing the master axis should bring axes in shared
251-
# axes back to normal
250+
# 5. two shared axes. Inverting the master axis should invert the shared
251+
# axes; clearing the master axis should bring axes in shared
252+
# axes back to normal.
252253
ax0=plt.subplot(211)
253254
ax1=plt.subplot(212,sharey=ax0)
254-
ax0.imshow(img)
255+
ax0.yaxis.set_inverted(True)
256+
assertax1.yaxis_inverted()
255257
ax1.plot(x,np.cos(x))
256258
ax0.cla()
257-
assertnot(ax1.yaxis_inverted())
259+
assertnotax1.yaxis_inverted()
258260
ax1.cla()
259261
# 6. clearing the nonmaster should not touch limits
260262
ax0.imshow(img)

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