{"action":"opened","issue":{"url":"https://api.github.com/repos/legacysurvey/pipeline/issues/21","labels_url":"https://api.github.com/repos/legacysurvey/pipeline/issues/21/labels{/name}","comments_url":"https://api.github.com/repos/legacysurvey/pipeline/issues/21/comments","events_url":"https://api.github.com/repos/legacysurvey/pipeline/issues/21/events","html_url":"https://github.com/legacysurvey/pipeline/issues/21","id":92505138,"number":21,"title":"Implement Tractor-on-Bricks reductions","user":{"login":"djschlegel","id":7918018,"avatar_url":"https://avatars.githubusercontent.com/u/7918018?v=3","gravatar_id":"","url":"https://api.github.com/users/djschlegel","html_url":"https://github.com/djschlegel","followers_url":"https://api.github.com/users/djschlegel/followers","following_url":"https://api.github.com/users/djschlegel/following{/other_user}","gists_url":"https://api.github.com/users/djschlegel/gists{/gist_id}","starred_url":"https://api.github.com/users/djschlegel/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/djschlegel/subscriptions","organizations_url":"https://api.github.com/users/djschlegel/orgs","repos_url":"https://api.github.com/users/djschlegel/repos","events_url":"https://api.github.com/users/djschlegel/events{/privacy}","received_events_url":"https://api.github.com/users/djschlegel/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-07-01T23:16:33Z","updated_at":"2015-07-01T23:16:33Z","closed_at":null,"body":"Implement the Tractor-on-Bricks pipeline to divide the Tractor step into 4 sets of bricks, as described on the wiki page at https://desi.lbl.gov/trac/wiki/DecamLegacy/Reductions#TractoronBricks .\r\nThis will naturally handle the edge effects of sources near a brick boundary, ensuring that there is only one unique measurement per object.  Once this is implemented, there will likely no longer be a need for the BRICK_PRIMARY=\"F\" sources."}}