René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"colorbar resizes in animation","articleBody":"### Bug report\r\nWhen animating a 2D plot with a colorbar, updating the color limits in each iteration changes the size of the colorbar. This issue did not exist with matplotlib 2.2.3.\r\n\r\n```Python\r\nimport numpy as np\r\nimport matplotlib.pyplot as plt\r\nfrom scipy.ndimage import laplace\r\n\r\n\r\ndef main():\r\n    time = np.arange(0, 1, 0.01)\r\n    c = np.zeros(shape=(11, 11))\r\n    c[5, 5] = 1\r\n\r\n    fig = plt.figure()\r\n    ax = fig.gca()\r\n    im = ax.imshow(c)\r\n    fig.colorbar(im)\r\n\r\n    for t in time:\r\n        c += laplace(c) / 10\r\n        im.set_data(c)\r\n        im.set_clim(0, np.max(c))\r\n        plt.pause(0.001)\r\n    plt.show()\r\n\r\n\r\nif __name__ == \"__main__\":\r\n    main()\r\n```\r\n\r\n**Actual outcome**\r\n![outcome_matplotlib300](https://user-images.githubusercontent.com/15139452/47114424-0bb47480-d25c-11e8-8b6d-3e0bdf9e0b2c.jpg)\r\n\r\n\r\n**Expected outcome**\r\n![outcome_matplotlib223](https://user-images.githubusercontent.com/15139452/47114445-1a9b2700-d25c-11e8-8059-de802966cab6.jpg)\r\n\r\n**Matplotlib version**\r\n  * Operating system: windows 7\r\n  * Matplotlib version: 3.0.0\r\n  * Matplotlib backend (`print(matplotlib.get_backend())`): TkAgg\r\n  * Python version: 3.7\r\n\r\nPython was installed using the latest Anaconda distribution.","author":{"url":"https://github.com/sakra1","@type":"Person","name":"sakra1"},"datePublished":"2018-10-17T20:23:20.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":4},"url":"https://github.com/12550/matplotlib/issues/12550"}