René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Line2D and PathPatch have different defaults for capstyle and joinstyle","articleBody":"### Describe the issue\r\n\r\nNoticed while working on #18579.\r\n\r\n**Summary**\r\n\r\nCapstyle and joinstyle of `PathPatch` and `Line2D` differ:\r\n\r\n|           | c apstyle  | joinstyle |\r\n|-----------|------------|-----------|\r\n| Line2D    | projecting | round     |\r\n| PathPatch | butt       | miter     |\r\n\r\nas can be seen in:\r\n~~~\r\nimport matplotlib.pyplot as plt\r\nfrom matplotlib.patches import Path, PathPatch\r\nx = [0, 5, 0]\r\ny = [0, 0, 2]\r\n\r\nax = plt.gca()\r\nax.axis('equal')\r\nax.set_xlim(-1, 7)\r\nax.plot(x, y, lw=20, alpha=0.5, label='Line2D')\r\nax.add_patch(PathPatch(Path(list(zip(x, y))), fill=False, ec='r', lw=20, label='PathPatch', capstyle='butt'))\r\nax.legend()\r\n~~~\r\n![grafik](https://user-images.githubusercontent.com/2836374/94376766-f9683400-011c-11eb-95c2-fcaf9f2d65dc.png)\r\n\r\n### Proposed fix\r\n\r\nThis is unexpected and must at least be documented.\r\n\r\nI'm unsure if we can afford to change the default of `PathPatch` (if we make a breaking change, it must be on `PathPatch`, `Line2D` is too often used and we cannot affort to change that.\r\n\r\nOpinions welcome.\r\n","author":{"url":"https://github.com/timhoffm","@type":"Person","name":"timhoffm"},"datePublished":"2020-09-27T21:58:35.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":3},"url":"https://github.com/18597/matplotlib/issues/18597"}