René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Faces of Axes3d.bar3d are not oriented correctly","articleBody":"All of the faces of the polygons created by `bar3d` are oriented (using a right-hand rule on the vertex order) in the positive axis directions. As a result, the shading used by `shade=True` is incorrect, as it shades both the front and back faces with the same brightness.\r\n\r\nRotating the [`hist3d`](https://matplotlib.org/examples/mplot3d/hist3d_demo.html) demo, we can see the left and right faces of the bars are the same color:\r\n\r\n![image](https://user-images.githubusercontent.com/425260/45607403-239c9c80-ba01-11e8-8bcc-699a0d3c6c4b.png)\r\n\r\n![image](https://user-images.githubusercontent.com/425260/45607411-33b47c00-ba01-11e8-992f-5c124e26d77f.png)\r\n\r\nThe fix is fairly straightforward, thankfully\r\n\r\n","author":{"url":"https://github.com/eric-wieser","@type":"Person","name":"eric-wieser"},"datePublished":"2018-09-17T05:21:27.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/12138/matplotlib/issues/12138"}