René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Arcs with large radii in small ","articleBody":"### Bug report\r\n\r\n**Bug summary**\r\n\r\nNo `matplotlib.patches.Arc` is being rendering when trying to add a small segment of a circle with a large radius.\r\n\r\nIf I increase the x and y limits to include a larger section of the arc then it is rendered.\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.pylab as pl\r\nfrom matplotlib import patches\r\n\r\nfig = pl.figure()\r\nax = pl.gca()\r\nx = 212.02529006006412\r\ny = -2115.252900600641\r\ndiameter = 4261.655587271447\r\na = patches.Arc((x, y), diameter, diameter, fill=False)\r\n\r\nax.add_patch(a)\r\npl.xlim(0, 20)\r\npl.ylim(0, 20)\r\nfig.show()\r\n```\r\n\r\n**Actual outcome**\r\n\r\nAn empty figure:\r\n\r\n![image](https://user-images.githubusercontent.com/6415805/83375015-d9479300-a410-11ea-91dc-cfbc96bb32d0.png)\r\n\r\n\r\n**Expected outcome**\r\n\r\nA figure with a small section of an arc starting a $(0, 5)$ and ending at $(7.98894818241678, 10.0)$\r\n![image](https://user-images.githubusercontent.com/6415805/83375513-6dfec080-a412-11ea-825f-fde02686dd93.png)\r\n\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 10 Pro\r\n  * Matplotlib version: 3.2.1\r\n  * Matplotlib backend (`print(matplotlib.get_backend())`): module://ipykernel.pylab.backend_inline\r\n  * Python version: Python 3.7.5\r\n  * Jupyter version (if applicable): Version 0.35.6\r\n  * Other libraries: \r\n","author":{"url":"https://github.com/LanceJenkinZA","@type":"Person","name":"LanceJenkinZA"},"datePublished":"2020-06-01T04:09:00.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":4},"url":"https://github.com/17547/matplotlib/issues/17547"}