René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"[Bug]: Cannot share both axis when setting aspect ratio","articleBody":"### Bug summary\n\nhttps://github.com/matplotlib/matplotlib/blob/5a10e4d29d2929a4093a42f9263c8237b2be6360/lib/matplotlib/axes/_base.py#L2054-L2058\n\nThis part is a strong regulation.\nPeople would like to share both x and y axes when setting the aspect ratio to a certain value.\nThough there will be a conflict in datalim between subplots, it is a minor problem to me.\n\nWhen I changed this part as below, it worked like a charm as I expected.\n```Python\nif shared_x and shared_y:\n    return\n```\n\n### Code for reproduction\n\n```Python\n#!/usr/bin/env python\nfrom matplotlib import pyplot as plt\n\nfig, ax = plt.subplots(2,1, sharex=True, sharey=True)\n\n# Case 1\nax[0].plot(range(0,3), range(3,6))\nax[1].plot(range(10,13), range(0,3))\n\n# Case 2\n# ax[0].plot(range(3,6), range(0,3))\n# ax[1].plot(range(0,3), range(10,13))\n\nax[0].set_box_aspect(1)\nax[1].set_box_aspect(1)\nax[1].set_aspect('equal', adjustable='datalim', share=True)\n\nplt.show()\n```\n\n### Actual outcome\n\n  File \"/home/ssrokyz/app/miniforge3/lib/python3.12/site-packages/matplotlib/backends/backend_qt.py\", line 508, in _draw_idle\n    self.draw()\n  File \"/home/ssrokyz/app/miniforge3/lib/python3.12/site-packages/matplotlib/backends/backend_agg.py\", line 382, in draw\n    self.figure.draw(self.renderer)\n  File \"/home/ssrokyz/app/miniforge3/lib/python3.12/site-packages/matplotlib/artist.py\", line 94, in draw_wrapper\n    result = draw(artist, renderer, *args, **kwargs)\n             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n  File \"/home/ssrokyz/app/miniforge3/lib/python3.12/site-packages/matplotlib/artist.py\", line 71, in draw_wrapper\n    return draw(artist, renderer)\n           ^^^^^^^^^^^^^^^^^^^^^^\n  File \"/home/ssrokyz/app/miniforge3/lib/python3.12/site-packages/matplotlib/figure.py\", line 3246, in draw\n    artists = self._get_draw_artists(renderer)\n              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n  File \"/home/ssrokyz/app/miniforge3/lib/python3.12/site-packages/matplotlib/figure.py\", line 166, in _get_draw_artists\n    ax.apply_aspect(locator(ax, renderer) if locator else None)\n  File \"/home/ssrokyz/app/miniforge3/lib/python3.12/site-packages/matplotlib/axes/_base.py\", line 2061, in apply_aspect\n    raise RuntimeError(\"set_aspect(..., adjustable='datalim') or \"\nRuntimeError: set_aspect(..., adjustable='datalim') or axis('equal') are not allowed when both axes are shared.  Try set_aspect(..., adjustable='box').\n\n### Expected outcome\n\n![Image](https://github.com/user-attachments/assets/c802be2c-3661-4544-a98c-2bf5a8ba04a1)\n\n### Additional information\n\n_No response_\n\n### Operating system\n\n_No response_\n\n### Matplotlib Version\n\n3.10.1\n\n### Matplotlib Backend\n\n_No response_\n\n### Python version\n\n_No response_\n\n### Jupyter version\n\n_No response_\n\n### Installation\n\nNone","author":{"url":"https://github.com/youngjae142","@type":"Person","name":"youngjae142"},"datePublished":"2025-06-21T14:22:47.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":12},"url":"https://github.com/30203/matplotlib/issues/30203"}