Jun 18, 2025 · Jun 18, 2025 · Jun 18, 2025 · Jun 18, 2025
diff --git a/lib/matplotlib/projections/polar.py b/lib/matplotlib/projections/polar.py
 returnself.viewLim.ymin

 defset_rorigin(self,rorigin):
 """
        Update the radial origin.

        Parameters
        ----------
        rorigin : float
        """
 self._originViewLim.locked_y0=rorigin

 # Fix: Adjust tick/grid when using log scale
 self._rorigin=rorigin# store internally for use elsewhere
 ifhasattr(self,'yaxis'):
 ifself.yaxis.get_scale()=='log':
 locator=self.yaxis.get_major_locator()
 iflocatorisnotNone:
 locs=locator.tick_values(self.get_rmin(),self.get_rmax())
 # Offset tick locations based on origin, only if loc > 0 (log scale)
 adjusted_locs= [abs(rorigin)+locforlocinlocsifloc>0]
 self.yaxis.set_ticks(adjusted_locs)
 returnself


 defget_rorigin(self):
 """
        Returns
diff --git a/lib/matplotlib/tests/test_axes/test_polar_log_rorigin.py b/lib/matplotlib/tests/test_axes/test_polar_log_rorigin.py
 importnumpyasnp
 importmatplotlib.pyplotasplt
 frommatplotlib.testing.decoratorsimportcheck_figures_equal

 @check_figures_equal()
 deftest_polar_log_rorigin_rendering(fig_test,fig_ref):
 r=np.logspace(-1,1,500)
 theta=np.linspace(0,2*np.pi,500)

 # Reference (correct rendering after fix)
 ax_ref=fig_ref.add_subplot(1,1,1,projection='polar')
 ax_ref.set_rscale('log')
 ax_ref.set_rorigin(-0.5)
 ax_ref.plot(theta,r)

 # Test output (same code, expected to match)
 ax_test=fig_test.add_subplot(1,1,1,projection='polar')
 ax_test.set_rscale('log')
 ax_test.set_rorigin(-0.5)
 ax_test.plot(theta,r)
Original file line number	Diff line number	Diff line change
Expand Up		@@ -1175,15 +1175,21 @@
		returnself.viewLim.ymin

		defset_rorigin(self,rorigin):
		"""
		Update the radial origin.

		Parameters
		----------
		rorigin : float
		"""
		self._originViewLim.locked_y0=rorigin

		# Fix: Adjust tick/grid when using log scale
		self._rorigin=rorigin# store internally for use elsewhere
		ifhasattr(self,'yaxis'):
		ifself.yaxis.get_scale()=='log':
		locator=self.yaxis.get_major_locator()
		iflocatorisnotNone:
		locs=locator.tick_values(self.get_rmin(),self.get_rmax())
		# Offset tick locations based on origin, only if loc > 0 (log scale)
		adjusted_locs= [abs(rorigin)+locforlocinlocsifloc>0]
		self.yaxis.set_ticks(adjusted_locs)
Check warning on line 1189 in lib/matplotlib/projections/polar.py View check run for this annotation Codecov/ codecov/patch lib/matplotlib/projections/polar.py#L1188-L1189 `Added lines #L1188 - L1189 were not covered by tests`
		returnself


		defget_rorigin(self):
		"""
		Returns
Expand Down
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,20 @@
		importnumpyasnp
		importmatplotlib.pyplotasplt
Check failure on line 2 in lib/matplotlib/tests/test_axes/test_polar_log_rorigin.py View workflow job for this annotation GitHub Actions/ ruff [rdjson] reported by reviewdog 🐶`matplotlib.pyplot` imported but unusedRaw Output:message:"`matplotlib.pyplot` imported but unused" location:{path:"/home/runner/work/matplotlib/matplotlib/lib/matplotlib/tests/test_axes/test_polar_log_rorigin.py" range:{start:{line:2 column:29} end:{line:2 column:32}}} source:{name:"ruff" url:"https://docs.astral.sh/ruff"} code:{value:"F401" url:"https://docs.astral.sh/ruff/rules/unused-import"} suggestions:{range:{start:{line:2 column:1} end:{line:3 column:1}}}
		frommatplotlib.testing.decoratorsimportcheck_figures_equal

		@check_figures_equal()
Check failure on line 5 in lib/matplotlib/tests/test_axes/test_polar_log_rorigin.py View workflow job for this annotation GitHub Actions/ ruff [rdjson] reported by reviewdog 🐶Expected 2 blank lines, found 1Raw Output:message:"Expected 2 blank lines, found 1" location:{path:"/home/runner/work/matplotlib/matplotlib/lib/matplotlib/tests/test_axes/test_polar_log_rorigin.py" range:{start:{line:5 column:1} end:{line:5 column:2}}} source:{name:"ruff" url:"https://docs.astral.sh/ruff"} code:{value:"E302" url:"https://docs.astral.sh/ruff/rules/blank-lines-top-level"} suggestions:{range:{start:{line:4 column:1} end:{line:5 column:1}} text:"\n\n"}
		deftest_polar_log_rorigin_rendering(fig_test,fig_ref):
		r=np.logspace(-1,1,500)
		theta=np.linspace(0,2*np.pi,500)

		# Reference (correct rendering after fix)
		ax_ref=fig_ref.add_subplot(1,1,1,projection='polar')
		ax_ref.set_rscale('log')
		ax_ref.set_rorigin(-0.5)
		ax_ref.plot(theta,r)
Check warning on line 14 in lib/matplotlib/tests/test_axes/test_polar_log_rorigin.py View check run for this annotation Codecov/ codecov/patch lib/matplotlib/tests/test_axes/test_polar_log_rorigin.py#L14 `Added line #L14 was not covered by tests`

		# Test output (same code, expected to match)
		ax_test=fig_test.add_subplot(1,1,1,projection='polar')
		ax_test.set_rscale('log')
		ax_test.set_rorigin(-0.5)
		ax_test.plot(theta,r)
Check warning on line 20 in lib/matplotlib/tests/test_axes/test_polar_log_rorigin.py View check run for this annotation Codecov/ codecov/patch lib/matplotlib/tests/test_axes/test_polar_log_rorigin.py#L17-L20 `Added lines #L17 - L20 were not covered by tests`