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Title: FIX: fix radial gridlines and outer spine collapsing on polar plots (#20388, #26972) by SharadhNaidu · Pull Request #31701 · matplotlib/matplotlib · GitHub

Open Graph Title: FIX: fix radial gridlines and outer spine collapsing on polar plots (#20388, #26972) by SharadhNaidu · Pull Request #31701 · matplotlib/matplotlib

X Title: FIX: fix radial gridlines and outer spine collapsing on polar plots (#20388, #26972) by SharadhNaidu · Pull Request #31701 · matplotlib/matplotlib

Description: matplotlib: plotting with Python. Contribute to matplotlib/matplotlib development by creating an account on GitHub.

Open Graph Description: This is a fix for two related polar plot bugs that have been hanging around for a while: #20388 (radial grid disappears with certain set_theta_direction(-1) + set_theta_zero_location combinations) ...

X Description: This is a fix for two related polar plot bugs that have been hanging around for a while: #20388 (radial grid disappears with certain set_theta_direction(-1) + set_theta_zero_location combinations) ...

Opengraph URL: https://github.com/matplotlib/matplotlib/pull/31701

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og:image:altThis is a fix for two related polar plot bugs that have been hanging around for a while: #20388 (radial grid disappears with certain set_theta_direction(-1) + set_theta_zero_location combinations) ...
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FIX: fix radial gridlines and outer spine collapsing on polar plots (#20388, #26972)https://github.com/matplotlib/matplotlib/pull/31701#top
SharadhNaiduhttps://github.com/SharadhNaidu
matplotlib:mainhttps://github.com/matplotlib/matplotlib/tree/main
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May 18, 2026https://github.com/matplotlib/matplotlib/pull/31701#issue-4468557579
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#20388https://github.com/matplotlib/matplotlib/issues/20388
#26972https://github.com/matplotlib/matplotlib/issues/26972
#20388https://github.com/matplotlib/matplotlib/issues/20388
[Bug]: set_theta_offset removes grid outline #26972https://github.com/matplotlib/matplotlib/issues/26972
Radial grid missing in polar plots with ax.set_theta_direction(-1) and ax.set_theta_zero_location #20388https://github.com/matplotlib/matplotlib/issues/20388
[Bug]: set_theta_offset removes grid outline #26972https://github.com/matplotlib/matplotlib/issues/26972
#26991https://github.com/matplotlib/matplotlib/pull/26991
#26972https://github.com/matplotlib/matplotlib/issues/26972
#20388https://github.com/matplotlib/matplotlib/issues/20388
#26972https://github.com/matplotlib/matplotlib/issues/26972
Please reload this pagehttps://github.com/matplotlib/matplotlib/pull/31701
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topic: path handling https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22topic%3A%20path%20handling%22
topic: polar https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22topic%3A%20polar%22
May 18, 2026https://github.com/matplotlib/matplotlib/pull/31701#event-25653780340
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May 18, 2026 12:27https://github.com/matplotlib/matplotlib/pull/31701#event-25656810450
https://github.com/SharadhNaidu
Fix radial gridlines and outer spine collapsing on polar plotshttps://github.com/matplotlib/matplotlib/pull/31701/commits/3e7188bc07c103f56a6758941b840210c7300446
3e7188bhttps://github.com/matplotlib/matplotlib/pull/31701/commits/3e7188bc07c103f56a6758941b840210c7300446
matplotlib#20388https://github.com/matplotlib/matplotlib/issues/20388
matplotlib#26972https://github.com/matplotlib/matplotlib/issues/26972
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May 18, 2026 12:32https://github.com/matplotlib/matplotlib/pull/31701#event-25656982755
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June 5, 2026 18:59https://github.com/matplotlib/matplotlib/pull/31701#event-26399341986
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FIX: snap near-integer arc windings to a full circle in Path.archttps://github.com/matplotlib/matplotlib/pull/31701/commits/8651caa928c3deb3c15de694ffc40befa033f7b3
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matplotlibgh-26972https://github.com/matplotlib/matplotlib/issues/26972
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topic: polar https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22topic%3A%20polar%22
Jun 5, 2026https://github.com/matplotlib/matplotlib/pull/31701#event-26400357478
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#31844https://github.com/matplotlib/matplotlib/pull/31844
#20388https://github.com/matplotlib/matplotlib/issues/20388
#26972https://github.com/matplotlib/matplotlib/issues/26972
Please reload this pagehttps://github.com/matplotlib/matplotlib/pull/31701
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Jun 9, 2026 https://github.com/matplotlib/matplotlib/pull/31701#ref-pullrequest-1925195961
fix floating comparison in path.arc #26991 https://github.com/matplotlib/matplotlib/pull/26991
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topic: path handling https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22topic%3A%20path%20handling%22
[Bug]: set_theta_offset removes grid outline https://github.com/matplotlib/matplotlib/issues/26972
Radial grid missing in polar plots with ax.set_theta_direction(-1) and ax.set_theta_zero_location https://github.com/matplotlib/matplotlib/issues/20388
Please reload this pagehttps://github.com/matplotlib/matplotlib/pull/31701
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