René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Add a method to access the list of registered colormaps","articleBody":"### Describe the issue\r\n\r\nI noticed that the linked issues to PR\r\nhttps://github.com/matplotlib/matplotlib/pull/16991\r\nall want a public way to access the registered colormap names without resorting to importing pyplot. That PR removed the cm.cmap_d dictionary, but left nothing in its place.\r\n\r\nThere were a few suggestions in this thread: https://github.com/matplotlib/matplotlib/pull/16991#discussion_r415267245\r\n\r\n**Summary**\r\n\r\nCreate a way to access the keys of the colormap registry within the `mpl.cm` module.\r\n\r\n### Proposed fix\r\n\r\nSome ideas:\r\n`mpl.cm.get_cmap_names()`\r\n`mpl.cm.get_registered_cmaps()`\r\nkeeping consistency with pyplot: `mpl.cm.colormaps()`\r\n... something else entirely","author":{"url":"https://github.com/greglucas","@type":"Person","name":"greglucas"},"datePublished":"2020-09-15T15:10:22.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/18490/matplotlib/issues/18490"}