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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"`projection` kwarg could be better documented.  ","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\nThe `projection` kwarg for `fig.add_subplot` does not make it clear that it can also take a subclass of `Axes` as an argument (I think, its all a little unclear).  \r\n\r\n```\r\nprojection : {None, 'aitoff', 'hammer', 'lambert', 'mollweide', 'polar', 'rectilinear', str}, optional\r\nThe projection type of the subplot (Axes). str is the name of a custom projection, see projections. The default None results in a 'rectilinear' projection.\r\n```\r\n","author":{"url":"https://github.com/jklymak","@type":"Person","name":"jklymak"},"datePublished":"2020-04-09T23:44:03.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/17088/matplotlib/issues/17088"}