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Fixed issue #23171 where axes vlines() / hlines() doesn't autoscale correctly with blended transform. - #24695

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Fixed issue #23171 where axes vlines() / hlines() doesn't autoscale correctly with blended transform.#24695
aalmasmari wants to merge 1 commit into
matplotlib:mainfrom
aalmasmari:bugfix-for-issue23171

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@aalmasmari

@aalmasmari aalmasmari commented Dec 11, 2022 •
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PR Summary

Changed vlines() and hlines() of axes to not autoscale on the horizontal/vertical axis given a transform argument. This is so that it doesn't autoscale incorrectly, treating the minimum argument as a data coordinate, as mentioned in issue #23171

PR Checklist

Documentation and Tests

  • [ Yes] Has pytest style unit tests (and pytest passes)
  • [ N/A ] Documentation is sphinx and numpydoc compliant (the docs should build without error).
  • [ N/A ] New plotting related features are documented with examples.

Release Notes

  • [N/A ] New features are marked with a .. versionadded:: directive in the docstring and documented in doc/users/next_whats_new/
  • [ N/A] API changes are marked with a .. versionchanged:: directive in the docstring and documented in doc/api/next_api_changes/
  • [N/A ] Release notes conform with instructions in next_whats_new/README.rst or next_api_changes/README.rst

@aalmasmari aalmasmari changed the title Fixed issue where axes vlines() / hlines() doesn't autoscale correctly with blended transform. Fixed issue #23171 where axes vlines() / hlines() doesn't autoscale correctly with blended transform. Dec 12, 2022
@aalmasmari
aalmasmari marked this pull request as ready for review December 12, 2022 01:38
@jklymak

jklymak commented Jan 22, 2023

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@aalmasmari Sorry for the poor response on this. It would be helpful if you included the before and after behaviour change this introduces, and/or added tests to tests/test_axes.py near the other test_hline tests. Otherwise, you are asking us to do a lot of detective work to figure out what this fixes and why the fix is correct. Thanks!

@jklymak

jklymak commented Jan 30, 2023

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Moving to draft pending response! Thanks!

@jklymak
jklymak marked this pull request as draft January 30, 2023 23:30
QuLogic
QuLogic reviewed Mar 7, 2023
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This is not the correct fix, as the wrong values are already added to the data limits. If another thing is plotted afterwards that requests an autoscale of the skipped direction, then the problem will still occur.

@melissawm

melissawm commented Mar 29, 2023

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Hi folks - do we have a way forward here?

@QuLogic

QuLogic commented Apr 4, 2023

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I think the correct fix is moving forward in #25324.

@melissawm

melissawm commented Apr 13, 2023

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Ok. So does this mean this one should be closed, or is there anything we can do here?

@QuLogic

QuLogic commented Apr 19, 2023

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Yes, now that I've merged #25324, I think we can close this one.

@QuLogic QuLogic closed this Apr 19, 2023
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