8000 Remove extra stickies in barstacked histogram. by anntzer · Pull Request #18464 · matplotlib/matplotlib · GitHub
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Remove extra stickies in barstacked histogram. #18464

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Merged
merged 1 commit into from
Sep 13, 2020
Merged

Remove extra stickies in barstacked histogram. #18464

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14 changes: 10 additions & 4 deletions lib/matplotlib/axes/_axes.py
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Original file line number Diff line number Diff line change
Expand Up @@ -6660,13 +6660,19 @@ def hist(self, x, bins=None, range=None, density=False, weights=None,
height = m - bottom
else:
height = m
patch = _barfunc(bins[:-1]+boffset, height, width,
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(this is actually a BarCollection object, not a Patch...)

align='center', log=log,
color=c, **{bottom_kwarg: bottom})
patches.append(patch)
bars = _barfunc(bins[:-1]+boffset, height, width,
align='center', log=log,
color=c, **{bottom_kwarg: bottom})
patches.append(bars)
if stacked:
bottom[:] = m
boffset += dw
# Remove stickies from all bars but the lowest ones, as otherwise
# margin expansion would be unable to cross the stickies in the
# middle of the bars.
for bars in patches[1:]:
for patch in bars:
patch.sticky_edges.x[:] = patch.sticky_edges.y[:] = []

elif histtype.startswith('step'):
# these define the perimeter of the polygon
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10 changes: 10 additions & 0 deletions lib/matplotlib/tests/test_axes.py
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4E37
Original file line number Diff line number Diff line change
Expand Up @@ -1679,6 +1679,16 @@ def test_hist_log_2(fig_test, fig_ref):
ax.hist(1, 1, log=True, histtype=histtype)


def test_hist_log_barstacked():
fig, axs = plt.subplots(2)
axs[0].hist([[0], [0, 1]], 2, histtype="barstacked")
axs[0].set_yscale("log")
axs[1].hist([0, 0, 1], 2, histtype="barstacked")
axs[1].set_yscale("log")
fig.canvas.draw()
assert axs[0].get_ylim() == axs[1].get_ylim()


@image_comparison(['hist_bar_empty.png'], remove_text=True)
def test_hist_bar_empty():
# From #3886: creating hist from empty dataset raises ValueError
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0