Jun 19, 2025 · Jun 19, 2025
diff --git a/galleries/examples/pie_and_polar_charts/polar_demo.py b/galleries/examples/pie_and_polar_charts/polar_demo.py
 ==========

 Demo of a line plot on a polar axis.

 The second plot shows the same data, but with the radial axis starting at r=1
 and the angular axis starting at 0 degrees and ending at 225 degrees. Setting
 the origin of the radial axis to 0 allows the radial ticks to be placed at the
 same location as the first plot.
 """
 importmatplotlib.pyplotasplt
 importnumpyasnp

 r=np.arange(0,2,0.01)
 theta=2*np.pi*r

 fig,ax=plt.subplots(subplot_kw={'projection':'polar'})
 fig,axs=plt.subplots(2,1,figsize=(5,8),subplot_kw={'projection':'polar'},
 layout='constrained')
 ax=axs[0]
 ax.plot(theta,r)
 ax.set_rmax(2)
 ax.set_rticks([0.5,1,1.5,2])#Less radial ticks
 ax.set_rticks([0.5,1,1.5,2])#Fewer radial ticks
 ax.set_rlabel_position(-22.5)# Move radial labels away from plotted line
 ax.grid(True)

 ax.set_title("A line plot on a polar axis",va='bottom')

 ax=axs[1]
 ax.plot(theta,r)
 ax.set_rmax(2)
 ax.set_rmin(1)# Change the radial axis to only go from 1 to 2
 ax.set_rorigin(0)# Set the origin of the radial axis to 0
 ax.set_thetamin(0)
 ax.set_thetamax(225)
 ax.set_rticks([1,1.5,2])# Fewer radial ticks
 ax.set_rlabel_position(-22.5)# Move radial labels away from plotted line

 ax.grid(True)
 ax.set_title("Same plot, but with reduced axis limits",va='bottom')
 plt.show()

 # %%
 #    - `matplotlib.projections.polar`
 #    - `matplotlib.projections.polar.PolarAxes`
 #    - `matplotlib.projections.polar.PolarAxes.set_rticks`
 #    - `matplotlib.projections.polar.PolarAxes.set_rmin`
 #    - `matplotlib.projections.polar.PolarAxes.set_rorigin`
 #    - `matplotlib.projections.polar.PolarAxes.set_rmax`
 #    - `matplotlib.projections.polar.PolarAxes.set_rlabel_position`
 #
Original file line number	Diff line number	Diff line change
Expand Up		@@ -4,21 +4,41 @@
		==========

		Demo of a line plot on a polar axis.

		The second plot shows the same data, but with the radial axis starting at r=1
		and the angular axis starting at 0 degrees and ending at 225 degrees. Setting
		the origin of the radial axis to 0 allows the radial ticks to be placed at the
		same location as the first plot.
		"""
		importmatplotlib.pyplotasplt
		importnumpyasnp

		r=np.arange(0,2,0.01)
		theta=2np.pir

		fig,ax=plt.subplots(subplot_kw={'projection':'polar'})
		fig,axs=plt.subplots(2,1,figsize=(5,8),subplot_kw={'projection':'polar'},
		layout='constrained')
		ax=axs[0]
		ax.plot(theta,r)
		ax.set_rmax(2)
		ax.set_rticks([0.5,1,1.5,2])#Less radial ticks
		ax.set_rticks([0.5,1,1.5,2])#Fewer radial ticks
		ax.set_rlabel_position(-22.5)# Move radial labels away from plotted line
		ax.grid(True)

		ax.set_title("A line plot on a polar axis",va='bottom')

		ax=axs[1]
		ax.plot(theta,r)
		ax.set_rmax(2)
		ax.set_rmin(1)# Change the radial axis to only go from 1 to 2
		ax.set_rorigin(0)# Set the origin of the radial axis to 0
		ax.set_thetamin(0)
		ax.set_thetamax(225)
		ax.set_rticks([1,1.5,2])# Fewer radial ticks
		ax.set_rlabel_position(-22.5)# Move radial labels away from plotted line

		ax.grid(True)
		ax.set_title("Same plot, but with reduced axis limits",va='bottom')
		plt.show()

		# %%
Expand All		@@ -32,6 +52,8 @@
		# - `matplotlib.projections.polar`
		# - `matplotlib.projections.polar.PolarAxes`
		# - `matplotlib.projections.polar.PolarAxes.set_rticks`
		# - `matplotlib.projections.polar.PolarAxes.set_rmin`
		# - `matplotlib.projections.polar.PolarAxes.set_rorigin`
		# - `matplotlib.projections.polar.PolarAxes.set_rmax`
		# - `matplotlib.projections.polar.PolarAxes.set_rlabel_position`
		#
Expand Down