Skip to content

Backport PR #30243 on branch v3.10.x (Fix FancyArrow rendering for zero-length arrows) #30253

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
jkseppan merged 1 commit into from
Jul 4, 2025
+7 −1
Merged

Backport PR #30243 on branch v3.10.x (Fix FancyArrow rendering for zero-length arrows) #30253

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 1 addition & 1 deletion lib/matplotlib/patches.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1515,7 +1515,7 @@ def _make_verts(self):
length = distance
else:
length = distance + head_length
if not length:
if np.size(length) == 0:
self.verts = np.empty([0, 2]) # display nothing if empty
else:
# start by drawing horizontal arrow, point at (0, 0)
Expand Down
6 changes: 6 additions & 0 deletions lib/matplotlib/tests/test_patches.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -999,3 +999,9 @@ def test_set_and_get_hatch_linewidth(fig_test, fig_ref):

assert ax_ref.patches[0].get_hatch_linewidth() == lw
assert ax_test.patches[0].get_hatch_linewidth() == lw


def test_empty_fancyarrow():
fig, ax = plt.subplots()
arrow = ax.arrow([], [], [], [])
assert arrow is not None
Loading