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Commit33a0d07

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jklymakrcomer
andauthored
DOC: expand polar example (#30180)
* DOC: expand polar example* DOC: expand polar example* Apply suggestions from code reviewCo-authored-by: Ruth Comer <10599679+rcomer@users.noreply.github.com>---------Co-authored-by: Ruth Comer <10599679+rcomer@users.noreply.github.com>
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‎galleries/examples/pie_and_polar_charts/polar_demo.py

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@@ -4,21 +4,41 @@
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==========
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Demo of a line plot on a polar axis.
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The second plot shows the same data, but with the radial axis starting at r=1
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and the angular axis starting at 0 degrees and ending at 225 degrees. Setting
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the origin of the radial axis to 0 allows the radial ticks to be placed at the
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same location as the first plot.
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"""
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importmatplotlib.pyplotasplt
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importnumpyasnp
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r=np.arange(0,2,0.01)
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theta=2*np.pi*r
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fig,ax=plt.subplots(subplot_kw={'projection':'polar'})
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fig,axs=plt.subplots(2,1,figsize=(5,8),subplot_kw={'projection':'polar'},
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layout='constrained')
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ax=axs[0]
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ax.plot(theta,r)
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ax.set_rmax(2)
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ax.set_rticks([0.5,1,1.5,2])#Less radial ticks
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ax.set_rticks([0.5,1,1.5,2])#Fewer radial ticks
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ax.set_rlabel_position(-22.5)# Move radial labels away from plotted line
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ax.grid(True)
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ax.set_title("A line plot on a polar axis",va='bottom')
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ax=axs[1]
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ax.plot(theta,r)
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ax.set_rmax(2)
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ax.set_rmin(1)# Change the radial axis to only go from 1 to 2
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ax.set_rorigin(0)# Set the origin of the radial axis to 0
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ax.set_thetamin(0)
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ax.set_thetamax(225)
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ax.set_rticks([1,1.5,2])# Fewer radial ticks
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ax.set_rlabel_position(-22.5)# Move radial labels away from plotted line
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ax.grid(True)
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ax.set_title("Same plot, but with reduced axis limits",va='bottom')
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plt.show()
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# %%
@@ -32,6 +52,8 @@
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# - `matplotlib.projections.polar`
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# - `matplotlib.projections.polar.PolarAxes`
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# - `matplotlib.projections.polar.PolarAxes.set_rticks`
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# - `matplotlib.projections.polar.PolarAxes.set_rmin`
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# - `matplotlib.projections.polar.PolarAxes.set_rorigin`
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# - `matplotlib.projections.polar.PolarAxes.set_rmax`
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# - `matplotlib.projections.polar.PolarAxes.set_rlabel_position`
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#

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