René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"constrained_layout (sometimes) clips multiline title/xlabel/ylabel","articleBody":"\u003c!--To help us understand and resolve your issue, please fill out the form to the best of your ability.--\u003e\r\n\u003c!--You can feel free to delete the sections that do not apply.--\u003e\r\n\r\n### Bug report\r\n\r\n**Bug summary**\r\nWhen a plot title/label consists of multiple lines (with some mathematics elements that require more vertical space), constrained_layout seems to not work correctly.\r\n\u003c!--A short 1-2 sentences that succinctly describes the bug--\u003e\r\n\r\n**Code for reproduction**\r\n\r\n\u003c!--A minimum code snippet required to reproduce the bug.\r\nPlease make sure to minimize the number of dependencies required, and provide\r\nany necessary plotted data.\r\nAvoid using threads, as Matplotlib is (explicitly) not thread-safe.--\u003e\r\n\r\n```python\r\nimport matplotlib.pyplot as plt\r\nfig, ax = plt.subplots(figsize=(3, 3), constrained_layout=True)\r\nax.set_title('First line \\n'+r'Second line $\\frac{x}{y}$')\r\nax.set_ylabel('ylabel')\r\nax.set_xlabel('xlabel')\r\nfig.savefig('constrained_layout_issue.png')\r\n```\r\n\r\n**Actual outcome**\r\n![constrained_layout_issue](https://user-images.githubusercontent.com/15175620/55409505-29d31000-5530-11e9-8474-edc54525eb56.png)\r\n\r\n\u003c!--The output produced by the above code, which may be a screenshot, console output, etc.--\u003e\r\n\r\nFor now, I am avoiding this issue by increasing `h_pad` with `plt.rcParams['figure.constrained_layout.h_pad'] = 6/72`. But this doesn't feel right (there is a lot more blank space left at the bottom of the plot).\r\n![constrained_layout_issue](https://user-images.githubusercontent.com/15175620/55409858-c7c6da80-5530-11e9-8ff2-01427d45f4de.png)\r\n\r\n\r\n\u003c!--A description of the expected outcome from the code snippet--\u003e\r\n\u003c!--If this used to work in an earlier version of Matplotlib, please note the version it used to work on--\u003e\r\n\r\n**Matplotlib version**\r\n\u003c!--Please specify your platform and versions of the relevant libraries you are using:--\u003e\r\n  * Operating system: Mac OS\r\n  * Matplotlib version: 3.0.3\r\n  * Matplotlib backend (`print(matplotlib.get_backend())`):\r\n  * Python version: 3.7.3\r\n  * Jupyter version (if applicable):\r\n  * Other libraries: \r\n\r\n\u003c!--Please tell us how you installed matplotlib and python e.g., from source, pip, conda--\u003e\r\n\u003c!--If you installed from conda, please specify which channel you used if not the default--\u003e\r\n\r\n","author":{"url":"https://github.com/pharshalp","@type":"Person","name":"pharshalp"},"datePublished":"2019-04-02T14:21:18.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":3},"url":"https://github.com/13843/matplotlib/issues/13843"}