{"action":"opened","issue":{"url":"https://api.github.com/repos/airbnb/react-native-maps/issues/1261","repository_url":"https://api.github.com/repos/airbnb/react-native-maps","labels_url":"https://api.github.com/repos/airbnb/react-native-maps/issues/1261/labels{/name}","comments_url":"https://api.github.com/repos/airbnb/react-native-maps/issues/1261/comments","events_url":"https://api.github.com/repos/airbnb/react-native-maps/issues/1261/events","html_url":"https://github.com/airbnb/react-native-maps/issues/1261","id":223428092,"number":1261,"title":"Delta changes even when zoom level does not","user":{"login":"Norchene","id":26322587,"avatar_url":"https://avatars1.githubusercontent.com/u/26322587?v=3","gravatar_id":"","url":"https://api.github.com/users/Norchene","html_url":"https://github.com/Norchene","followers_url":"https://api.github.com/users/Norchene/followers","following_url":"https://api.github.com/users/Norchene/following{/other_user}","gists_url":"https://api.github.com/users/Norchene/gists{/gist_id}","starred_url":"https://api.github.com/users/Norchene/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Norchene/subscriptions","organizations_url":"https://api.github.com/users/Norchene/orgs","repos_url":"https://api.github.com/users/Norchene/repos","events_url":"https://api.github.com/users/Norchene/events{/privacy}","received_events_url":"https://api.github.com/users/Norchene/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2017-04-21T16:05:23Z","updated_at":"2017-04-21T16:05:23Z","closed_at":null,"body":"I'm trying to display a View over a MapView and I need to positionate it with absolute top and left styles.\r\n\r\nSo I need the exact geographical coordinates of the top left and bottom right corners of the current region displayed. \r\n\r\nI tried to use latitudeDelta and longitudeDelta (from onRegionChangeComplete) but i noticed that latitudeDelta and longitudeDelta change even if the zoom level remain the same (no zoom, only pan).\r\n\r\nTo test that display a mapView:\r\n\r\n```\r\n<MapView\r\n  onRegionChange={region => console.log(region.latitudeDelta, region.longitudeDelta)}\r\n/>\r\n```\r\n\r\nJust pan the map (without zooming or rotating) and see inconsistent latitudeDelta and longitudeDelta variations.\r\n\r\nAny one know how to fix this ?"}}
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