{"action":"opened","issue":{"url":"https://api.github.com/repos/locationtech-labs/geopyspark/issues/644","repository_url":"https://api.github.com/repos/locationtech-labs/geopyspark","labels_url":"https://api.github.com/repos/locationtech-labs/geopyspark/issues/644/labels{/name}","comments_url":"https://api.github.com/repos/locationtech-labs/geopyspark/issues/644/comments","events_url":"https://api.github.com/repos/locationtech-labs/geopyspark/issues/644/events","html_url":"https://github.com/locationtech-labs/geopyspark/issues/644","id":306608441,"number":644,"title":"support min/max in aggregate_by_cell with different nodata handling","user":{"login":"jdries","id":5937096,"avatar_url":"https://avatars3.githubusercontent.com/u/5937096?v=4","gravatar_id":"","url":"https://api.github.com/users/jdries","html_url":"https://github.com/jdries","followers_url":"https://api.github.com/users/jdries/followers","following_url":"https://api.github.com/users/jdries/following{/other_user}","gists_url":"https://api.github.com/users/jdries/gists{/gist_id}","starred_url":"https://api.github.com/users/jdries/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jdries/subscriptions","organizations_url":"https://api.github.com/users/jdries/orgs","repos_url":"https://api.github.com/users/jdries/repos","events_url":"https://api.github.com/users/jdries/events{/privacy}","received_events_url":"https://api.github.com/users/jdries/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2018-03-19T19:48:36Z","updated_at":"2018-03-19T19:48:36Z","closed_at":null,"author_association":"NONE","body":"The current nodata handling for min and max in aggregate_by_cell is to return nodata if either of the input values is nodata.\r\nMy current use case, is to compute a composite that retains the max NDVI value, on a dataset with quite a lot of nodata due to clouds. This doesn't work with the current operators, as I always end up with empty images.\r\nHence it would make sense to also have a min/max operation  where combine(data,nodata) returns data."}}
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