{"action":"created","issue":{"url":"https://api.github.com/repos/bokeh/datashader/issues/248","repository_url":"https://api.github.com/repos/bokeh/datashader","labels_url":"https://api.github.com/repos/bokeh/datashader/issues/248/labels{/name}","comments_url":"https://api.github.com/repos/bokeh/datashader/issues/248/comments","events_url":"https://api.github.com/repos/bokeh/datashader/issues/248/events","html_url":"https://github.com/bokeh/datashader/issues/248","id":179842203,"number":248,"title":"DOC: lack of legend for `ds.count_cat`","user":{"login":"mortonjt","id":4184797,"avatar_url":"https://avatars.githubusercontent.com/u/4184797?v=3","gravatar_id":"","url":"https://api.github.com/users/mortonjt","html_url":"https://github.com/mortonjt","followers_url":"https://api.github.com/users/mortonjt/followers","following_url":"https://api.github.com/users/mortonjt/following{/other_user}","gists_url":"https://api.github.com/users/mortonjt/gists{/gist_id}","starred_url":"https://api.github.com/users/mortonjt/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/mortonjt/subscriptions","organizations_url":"https://api.github.com/users/mortonjt/orgs","repos_url":"https://api.github.com/users/mortonjt/repos","events_url":"https://api.github.com/users/mortonjt/events{/privacy}","received_events_url":"https://api.github.com/users/mortonjt/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":3,"created_at":"2016-09-28T17:56:39Z","updated_at":"2016-09-29T03:42:00Z","closed_at":"2016-09-28T21:12:38Z","body":"In the last figure in the NYC taxi cab notebook, the order of the colors were given\r\n\r\n```\r\nHere the order of colors is roughly red (midnight), yellow (4am), green (8am), cyan (noon), blue (4pm), purple (8pm), and back to red (since hours and colors are both cyclic).\r\n```\r\n\r\nBut it isn't clear exactly where this order of obtained.  Was it obtained from the ordering of `df['hour']`?  It would be really nice if we could have some sort of legend to explain the colors for these sorts of categories.\r\n"},"comment":{"url":"https://api.github.com/repos/bokeh/datashader/issues/comments/250363106","html_url":"https://github.com/bokeh/datashader/issues/248#issuecomment-250363106","issue_url":"https://api.github.com/repos/bokeh/datashader/issues/248","id":250363106,"user":{"login":"jbednar","id":1695496,"avatar_url":"https://avatars.githubusercontent.com/u/1695496?v=3","gravatar_id":"","url":"https://api.github.com/users/jbednar","html_url":"https://github.com/jbednar","followers_url":"https://api.github.com/users/jbednar/followers","following_url":"https://api.github.com/users/jbednar/following{/other_user}","gists_url":"https://api.github.com/users/jbednar/gists{/gist_id}","starred_url":"https://api.github.com/users/jbednar/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jbednar/subscriptions","organizations_url":"https://api.github.com/users/jbednar/orgs","repos_url":"https://api.github.com/users/jbednar/repos","events_url":"https://api.github.com/users/jbednar/events{/privacy}","received_events_url":"https://api.github.com/users/jbednar/received_events","type":"User","site_admin":false},"created_at":"2016-09-29T03:42:00Z","updated_at":"2016-09-29T03:42:00Z","body":"See the PR above, which provides a function to report which colors correspond to which categories.  I'll merge that if there are no objections or test failures, and hopefully that will help!"}}
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