René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"[Bug]: invalid value encountered with 'ortho' projection mode ","articleBody":"### Bug summary\r\n\r\nHello,\r\n\r\nPassing the mouse on the figure when plot has been generated with **'ortho'** projection 3d mode and specific azimuthal and elevation angles returns the following message : \r\n\r\n_C:\\....\\lib\\site-packages\\mpl_toolkits\\mplot3d\\proj3d.py:25: RuntimeWarning: invalid value encountered in double_scalars\r\n  u = (x01*x21 + y01*y21) / (x21¨¨2 + y21¨¨2)_\r\n\r\nCould you please investigate this ?\r\nthanks,\r\nPatrick\r\n\r\n### Code for reproduction\r\n\r\n```python\r\nimport matplotlib.pyplot as plt\r\n\r\nfig, ax = plt.subplots(subplot_kw={'projection': '3d'})\r\nax.scatter(0, 0)\r\nax.set_proj_type('ortho')\r\nax.view_init(azim=-90, elev=90)\r\nplt.show()\r\n```\r\n\r\n\r\n### Actual outcome\r\n\r\nC:\\....\\lib\\site-packages\\mpl_toolkits\\mplot3d\\proj3d.py:25: RuntimeWarning: invalid value encountered in double_scalars\r\n  u = (x01*x21 + y01*y21) / (x21**2 + y21**2)\r\n\r\n\u003e \r\n\r\n### Expected outcome\r\n\r\nNo RuntimeWarning message\r\n\r\n### Additional information\r\n\r\n_No response_\r\n\r\n### Operating system\r\n\r\nWindows\r\n\r\n### Matplotlib Version\r\n\r\n3.4.2\r\n\r\n### Matplotlib Backend\r\n\r\n_No response_\r\n\r\n### Python version\r\n\r\n3.7.7\r\n\r\n### Jupyter version\r\n\r\n_No response_\r\n\r\n### Installation\r\n\r\npip","author":{"url":"https://github.com/patquem","@type":"Person","name":"patquem"},"datePublished":"2022-03-08T16:33:25.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":10},"url":"https://github.com/22624/matplotlib/issues/22624"}