René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Weird behaviour of suptitle() when horizontalalignment is not 'center'","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\n\r\n`horizontalalignment = 'left'` aligns the title on the right, `horizontalalignment = 'right'` aligns a short title on the left, `horizontalalignment = 'right'` displaces a longer title on the far left\r\n\r\n**Code for reproduction**\r\n\r\n\u003c!--A minimum code snippet required to reproduce the bug, also minimizing the number of dependencies required--\u003e\r\n\r\n```python\r\n# Left alignment test, short title\r\nfig = plt.figure(figsize=(9,4))\r\nax = fig.add_subplot(111)\r\nfig.suptitle('This figure suptitle should be on the left', horizontalalignment = 'left')\r\nax.set_title('This axis title should be on the left', loc='left');\r\nfig.savefig('left_align.png')\r\n\r\n# Right alignment test, short title\r\nfig = plt.figure(figsize=(9,4))\r\nax = fig.add_subplot(111)\r\nfig.suptitle('This figure suptitle should be on the right', horizontalalignment = 'right')\r\nax.set_title('This axis title should be on the right', loc='right');\r\nfig.savefig('right_align.png')\r\n\r\n# Right alignment test, longer title\r\nfig = plt.figure(figsize=(9,4))\r\nax = fig.add_subplot(111)\r\nfig.suptitle('This figure suptitle should be on the right but it is far left', horizontalalignment = 'right')\r\nax.set_title('This axis title should be on the left', loc='left')\r\nfig.savefig('far_left.png');\r\n```\r\n\r\n**Actual outcome**\r\n\r\n\u003c!--The output produced by the above code, which may be a screenshot, console output, etc.--\u003e\r\n* Left alignment test, short title\r\n![left_align](https://user-images.githubusercontent.com/3726359/45871500-f435b900-bd8d-11e8-9d57-754958f583b4.png)\r\n\r\n* Right alignment test, short title\r\n![right_align](https://user-images.githubusercontent.com/3726359/45871566-116a8780-bd8e-11e8-968c-58f873505e19.png)\r\n\r\n* Right alignment test, longer title\r\n![far_left](https://user-images.githubusercontent.com/3726359/45871581-192a2c00-bd8e-11e8-8540-e78304e9ccc6.png)\r\n\r\n**Expected outcome**\r\n\r\nThe following code manually sets the figure title at the expected position:\r\n\r\n```python\r\nfig = plt.figure(figsize=(9,4))\r\nax = fig.add_subplot(111)\r\nfig.suptitle('This figure suptitle is long but it is manually positioned', x = 0.38)\r\nax.set_title('This axis title should be on the left', loc='left')\r\nfig.savefig('manual_pos.png');\r\n```\r\nWhich gives:\r\n![manual_pos](https://user-images.githubusercontent.com/3726359/45871836-b4bb9c80-bd8e-11e8-94e9-e453adc39fda.png)\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: Windows\r\n  * Matplotlib version: 2.1.2 and 2.2.3\r\n  * Matplotlib backend: agg\r\n  * Python version: 3.6.4\r\n  * Jupyter version: 4.4.0\r\n","author":{"url":"https://github.com/gansanay","@type":"Person","name":"gansanay"},"datePublished":"2018-09-21T09:13:09.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":8},"url":"https://github.com/12197/matplotlib/issues/12197"}