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[Bug]: Inner border is not rendered correctly when using log-scale and polar projection. #30179

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@tillboehringer

Description

@tillboehringer

Bug summary

When changing to a log-scale on a polar plot and changing the radial origin. The inner border is not in the correct place, it stays in the centre.

Code for reproduction

importnumpyasnpimportmatplotlib.pyplotaspltangles=np.radians(np.linspace(15,145,10))r=np.logspace(-30,-28,len(angles))fig=plt.figure()ax=plt.axes(projection='polar')ax.scatter(angles,r)ax.set_theta_zero_location('N')ax.set_theta_direction(-1)ax.set_rscale('log')ax.set_thetamin(15)ax.set_thetamax(145)ax.set_rorigin(10**-33)

Actual outcome

Image

Expected outcome

Image

The inner Border should look like this one.

Additional information

No response

Operating system

OS/X

Matplotlib Version

3.10.3

Matplotlib Backend

backend_inline

Python version

3.13.2

Jupyter version

No response

Installation

pip

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