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Commit40544ec

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Merge pull request#23344 from tacaswell/auto-backport-of-pr-23333-on-v3.5.x
Backport PR#23333: Fix errorbar handling of nan.
2 parents56b0ad4 +82a60d8 commit40544ec

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2 files changed

+28
-11
lines changed

2 files changed

+28
-11
lines changed

‎lib/matplotlib/axes/_axes.py‎

Lines changed: 14 additions & 11 deletions
Original file line numberDiff line numberDiff line change
@@ -1060,13 +1060,14 @@ def hlines(self, y, xmin, xmax, colors=None, linestyles='solid',
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lines.update(kwargs)
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iflen(y)>0:
1063-
minx=min(xmin.min(),xmax.min())
1064-
maxx=max(xmin.max(),xmax.max())
1065-
miny=y.min()
1066-
maxy=y.max()
1067-
1063+
# Extreme values of xmin/xmax/y. Using masked_verts here handles
1064+
# the case of y being a masked *object* array (as can be generated
1065+
# e.g. by errorbar()), which would make nanmin/nanmax stumble.
1066+
minx=np.nanmin(masked_verts[...,0])
1067+
maxx=np.nanmax(masked_verts[...,0])
1068+
miny=np.nanmin(masked_verts[...,1])
1069+
maxy=np.nanmax(masked_verts[...,1])
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corners= (minx,miny), (maxx,maxy)
1069-
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self.update_datalim(corners)
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self._request_autoscale_view()
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@@ -1139,11 +1140,13 @@ def vlines(self, x, ymin, ymax, colors=None, linestyles='solid',
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lines.update(kwargs)
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11411142
iflen(x)>0:
1142-
minx=x.min()
1143-
maxx=x.max()
1144-
miny=min(ymin.min(),ymax.min())
1145-
maxy=max(ymin.max(),ymax.max())
1146-
1143+
# Extreme values of x/ymin/ymax. Using masked_verts here handles
1144+
# the case of x being a masked *object* array (as can be generated
1145+
# e.g. by errorbar()), which would make nanmin/nanmax stumble.
1146+
minx=np.nanmin(masked_verts[...,0])
1147+
maxx=np.nanmax(masked_verts[...,0])
1148+
miny=np.nanmin(masked_verts[...,1])
1149+
maxy=np.nanmax(masked_verts[...,1])
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corners= (minx,miny), (maxx,maxy)
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self.update_datalim(corners)
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self._request_autoscale_view()

‎lib/matplotlib/tests/test_axes.py‎

Lines changed: 14 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -3633,6 +3633,20 @@ def test_errorbar_linewidth_type(elinewidth):
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plt.errorbar([1,2,3], [1,2,3],yerr=[1,2,3],elinewidth=elinewidth)
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3636+
@check_figures_equal(extensions=["png"])
3637+
deftest_errorbar_nan(fig_test,fig_ref):
3638+
ax=fig_test.add_subplot()
3639+
xs=range(5)
3640+
ys=np.array([1,2,np.nan,np.nan,3])
3641+
es=np.array([4,5,np.nan,np.nan,6])
3642+
ax.errorbar(xs,ys,es)
3643+
ax=fig_ref.add_subplot()
3644+
ys=np.array([1,2,np.nan,np.nan,3])
3645+
es=np.array([4,5,np.nan,np.nan,6])
3646+
ax.errorbar([0,1], [1,2], [4,5])
3647+
ax.errorbar([4], [3], [6],fmt="C0")
3648+
3649+
36363650
@image_comparison(['hist_stacked_stepfilled','hist_stacked_stepfilled'])
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deftest_hist_stacked_stepfilled():
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# make some data

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