{"action":"created","issue":{"url":"https://api.github.com/repos/mapbox/vector-tiles/issues/21","repository_url":"https://api.github.com/repos/mapbox/vector-tiles","labels_url":"https://api.github.com/repos/mapbox/vector-tiles/issues/21/labels{/name}","comments_url":"https://api.github.com/repos/mapbox/vector-tiles/issues/21/comments","events_url":"https://api.github.com/repos/mapbox/vector-tiles/issues/21/events","html_url":"https://github.com/mapbox/vector-tiles/issues/21","id":171458836,"number":21,"title":"How does overzooming work?","user":{"login":"mapsam","id":1943001,"avatar_url":"https://avatars.githubusercontent.com/u/1943001?v=3","gravatar_id":"","url":"https://api.github.com/users/mapsam","html_url":"https://github.com/mapsam","followers_url":"https://api.github.com/users/mapsam/followers","following_url":"https://api.github.com/users/mapsam/following{/other_user}","gists_url":"https://api.github.com/users/mapsam/gists{/gist_id}","starred_url":"https://api.github.com/users/mapsam/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/mapsam/subscriptions","organizations_url":"https://api.github.com/users/mapsam/orgs","repos_url":"https://api.github.com/users/mapsam/repos","events_url":"https://api.github.com/users/mapsam/events{/privacy}","received_events_url":"https://api.github.com/users/mapsam/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":3,"created_at":"2016-08-16T16:26:45Z","updated_at":"2016-08-17T14:12:04Z","closed_at":null,"body":"[Question from](https://twitter.com/johnjcz/status/765576636582420480) @jczaplew 😄 \r\n\r\n> How does overzooming [at] certain scales work? i.e. tiles for z5 are valid to z8, z9 are valid to z11, etc..\r\n\r\n"},"comment":{"url":"https://api.github.com/repos/mapbox/vector-tiles/issues/comments/240423425","html_url":"https://github.com/mapbox/vector-tiles/issues/21#issuecomment-240423425","issue_url":"https://api.github.com/repos/mapbox/vector-tiles/issues/21","id":240423425,"user":{"login":"jczaplew","id":1739551,"avatar_url":"https://avatars.githubusercontent.com/u/1739551?v=3","gravatar_id":"","url":"https://api.github.com/users/jczaplew","html_url":"https://github.com/jczaplew","followers_url":"https://api.github.com/users/jczaplew/followers","following_url":"https://api.github.com/users/jczaplew/following{/other_user}","gists_url":"https://api.github.com/users/jczaplew/gists{/gist_id}","starred_url":"https://api.github.com/users/jczaplew/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jczaplew/subscriptions","organizations_url":"https://api.github.com/users/jczaplew/orgs","repos_url":"https://api.github.com/users/jczaplew/repos","events_url":"https://api.github.com/users/jczaplew/events{/privacy}","received_events_url":"https://api.github.com/users/jczaplew/received_events","type":"User","site_admin":false},"created_at":"2016-08-17T14:12:04Z","updated_at":"2016-08-17T14:12:04Z","body":"Thank you for the awesome description Sam! \r\n\r\nIn \"How is overzoom calculated\", you give an example where tiles only exist from z10-14, but they are valid all the way up to z17. Presumably, when a user lands on z12, and zooms in to z17 the mapping library will request tiles for z14+, but noticing that they don't exist, continue to use the data from z14. However, how does the mapping library handle a situation in which the user loads the map at, say, z17?"}}
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