René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"[Bug]: interpolation_stage=\"rgba\" does not respect array-alpha","articleBody":"### Bug summary\n\nPassing interpolation_stage=\"rgba\" to imshow() results in array-valued alphas being ignored.\n\n### Code for reproduction\n\n```Python\nfrom pylab import *\r\n\r\nim = arange(9).reshape(3, 3)\r\nalpha = linspace(0, 1, 9).reshape(3, 3)\r\n\r\nsubplot(121).imshow(im, alpha=alpha)  # interpolation_stage=\"alpha\"\r\nsubplot(122).imshow(im, alpha=alpha, interpolation_stage=\"rgba\")\r\nshow()\n```\n\n\n### Actual outcome\n\n![Figure_1](https://github.com/matplotlib/matplotlib/assets/1322974/39600e92-64b7-48ab-8d49-e72dfdaa2bcb)\r\n\n\n### Expected outcome\n\nSame image on left and right (interpolation_stage should not matter at all here.\n\n### Additional information\n\n_No response_\n\n### Operating system\n\nmacos\n\n### Matplotlib Version\n\n3.10.0.dev260+g7275ad95ff\n\n### Matplotlib Backend\n\nqtagg\n\n### Python version\n\n3.12\n\n### Jupyter version\n\nno\n\n### Installation\n\ngit checkout","author":{"url":"https://github.com/anntzer","@type":"Person","name":"anntzer"},"datePublished":"2024-06-12T12:13:41.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/28382/matplotlib/issues/28382"}