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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"[Doc]: Transformation tutorial uses outdated description for polar transform","articleBody":"### Documentation Link\n\nhttps://matplotlib.org/stable/tutorials/advanced/transforms_tutorial.html#the-transformation-pipeline\n\n### Problem\n\nThe docs currently state\r\n\r\n\u003e For non-separable axes the PolarAxes, there is one more piece to consider, the projection transformation. The transData matplotlib.projections.polar.PolarAxes is similar to that for the typical separable matplotlib Axes, with one additional piece transProjection:\r\n```\r\nself.transData = self.transScale + self.transProjection + \\\r\n    (self.transProjectionAffine + self.transAxes)\r\n```\r\nbut this is currently outdated: the polar transData is now\r\n```\r\n        self.transData = (\r\n            self.transScale + self.transShift + self.transProjection +\r\n            (self.transProjectionAffine + self.transWedge + self.transAxes))\r\n```\r\n(since some old changes by @QuLogic)\n\n### Suggested improvement\n\nI'm not actually sure we need to go into these details in the transformation tutorial so perhaps the entire section can be rewritten to remove the details, but if we do keep that information it should be updated.","author":{"url":"https://github.com/anntzer","@type":"Person","name":"anntzer"},"datePublished":"2022-11-18T17:25:50.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":4},"url":"https://github.com/24499/matplotlib/issues/24499"}