René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"[Bug]: Setting bbox_inches to a Bbox in fig.savefig resizes colorbar","articleBody":"### Bug summary\r\n\r\nSetting bbox_inches in fig.savefig to a specified Bbox rather than \"tight\" resizes the colorbar relative to when bbox_inches is not set—the resulting colorbar is a lot larger than it should be. \r\n\r\n### Code for reproduction\r\n\r\n```python\r\nimport numpy as np\r\nimport matplotlib as mpl\r\nimport matplotlib.pyplot as plt\r\n\r\nx = np.linspace(0, 2*np.pi, 100)\r\ny = np.linspace(0, 2*np.pi, 100)\r\n\r\nX, Y = np.meshgrid(x,y)\r\n\r\nfig, ax = plt.subplots(figsize=(4,4))\r\n\r\npc = ax.pcolormesh(x, y, np.sin(X)*np.sin(Y))\r\nfig.colorbar(pc, ax=ax, aspect=40)\r\n\r\n# Uncomment the first fig.savefig to get the correct output on the second call\r\n# fig.savefig('nobbox_inches.png')\r\nfig.savefig('bbox_inches.png', bbox_inches=mpl.transforms.Bbox([[0, 0], [4, 4]]))\r\n```\r\n\r\n\r\n### Actual outcome\r\n\r\n![bbox_inches](https://user-images.githubusercontent.com/4522204/157296452-99015f35-6dfc-4a09-b447-7f524227582e.png)\r\n\r\n\r\n### Expected outcome\r\n\r\n![nobbox_inches](https://user-images.githubusercontent.com/4522204/157296483-0ac707a7-62e6-489b-9a06-f5a679ecf644.png)\r\n\r\n\r\n### Additional information\r\n\r\nCalling fig.savefig without bbox_inches set first and then calling it again with bbox_inches set produces expected outcome.\r\nCalling plt.show() prior to savefig also works.\r\n\r\n### Operating system\r\n\r\nMacOS 12.2.1 (Monterey)\r\n\r\n### Matplotlib Version\r\n\r\n3.5.1\r\n\r\n### Matplotlib Backend\r\n\r\ninline (for interactive), png for plot, also a problem with pdf\r\n\r\n### Python version\r\n\r\n3.9.10\r\n\r\n### Jupyter version\r\n\r\nJupyter lab 3.2.9\r\n\r\n### Installation\r\n\r\nconda","author":{"url":"https://github.com/pittwolfe","@type":"Person","name":"pittwolfe"},"datePublished":"2022-03-08T17:54:54.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":4},"url":"https://github.com/22625/matplotlib/issues/22625"}