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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"[Doc]: Left Ventricle Bullseye example unexpected output regression","articleBody":"### Documentation Link\r\n\r\nhttps://matplotlib.org/stable/gallery/specialty_plots/leftventricle_bulleye.html\r\n\r\n### Problem\r\n\r\nhttps://github.com/matplotlib/matplotlib/blob/ecf6e26f0b0241bdc80466e13ee0c13a0c12f412/examples/specialty_plots/leftventricle_bulleye.py\r\n\r\nThe Left Ventricle bullseye example has an unexpected output in which the area shaded is not aligned with the border. This is not the case in the 3.1.1 docs.\r\n\r\n![image](https://user-images.githubusercontent.com/8604926/208382965-e4baf50a-74b3-4aae-b388-88b3b83de5fe.png)\r\nCurrent Doc output.\r\n\r\n![image](https://user-images.githubusercontent.com/8604926/208383029-99f1ac46-75fc-4cf3-bb59-1fe2dbd258be.png)\r\n3.1.1 doc output. https://matplotlib.org/3.1.1/gallery/specialty_plots/leftventricle_bulleye.html\r\n\r\n### Suggested improvement\r\n\r\nI managed to \"fix\" the sample code for my use but I feel there is a bug related to the functions used in the example. I'm not too familiar with the APIs and the data projection to polar coordinates so I feel it's better for someone more familiar to explain what happened here.\r\n\r\nMight be related to this issue too: https://github.com/matplotlib/matplotlib/issues/16029","author":{"url":"https://github.com/rraihansaputra","@type":"Person","name":"rraihansaputra"},"datePublished":"2022-12-19T08:39:24.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/24771/matplotlib/issues/24771"}