{"action":"created","issue":{"url":"https://api.github.com/repos/cms-sw/cmssw/issues/10987","labels_url":"https://api.github.com/repos/cms-sw/cmssw/issues/10987/labels{/name}","comments_url":"https://api.github.com/repos/cms-sw/cmssw/issues/10987/comments","events_url":"https://api.github.com/repos/cms-sw/cmssw/issues/10987/events","html_url":"https://github.com/cms-sw/cmssw/pull/10987","id":103523940,"number":10987,"title":"FastSim: new rechits containers","user":{"login":"lveldere","id":5065551,"avatar_url":"https://avatars.githubusercontent.com/u/5065551?v=3","gravatar_id":"","url":"https://api.github.com/users/lveldere","html_url":"https://github.com/lveldere","followers_url":"https://api.github.com/users/lveldere/followers","following_url":"https://api.github.com/users/lveldere/following{/other_user}","gists_url":"https://api.github.com/users/lveldere/gists{/gist_id}","starred_url":"https://api.github.com/users/lveldere/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/lveldere/subscriptions","organizations_url":"https://api.github.com/users/lveldere/orgs","repos_url":"https://api.github.com/users/lveldere/repos","events_url":"https://api.github.com/users/lveldere/events{/privacy}","received_events_url":"https://api.github.com/users/lveldere/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/cms-sw/cmssw/labels/comparison-pending","name":"comparison-pending","color":"fef2c0"},{"url":"https://api.github.com/repos/cms-sw/cmssw/labels/fastsim-pending","name":"fastsim-pending","color":"fbca04"},{"url":"https://api.github.com/repos/cms-sw/cmssw/labels/geometry-pending","name":"geometry-pending","color":"fbca04"},{"url":"https://api.github.com/repos/cms-sw/cmssw/labels/orp-pending","name":"orp-pending","color":"fbca04"},{"url":"https://api.github.com/repos/cms-sw/cmssw/labels/pending-signatures","name":"pending-signatures","color":"eb6420"},{"url":"https://api.github.com/repos/cms-sw/cmssw/labels/reconstruction-pending","name":"reconstruction-pending","color":"fbca04"},{"url":"https://api.github.com/repos/cms-sw/cmssw/labels/simulation-pending","name":"simulation-pending","color":"fbca04"},{"url":"https://api.github.com/repos/cms-sw/cmssw/labels/tests-pending","name":"tests-pending","color":"fbca04"}],"state":"open","locked":false,"assignee":null,"milestone":{"url":"https://api.github.com/repos/cms-sw/cmssw/milestones/55","html_url":"https://github.com/cms-sw/cmssw/milestones/Next%20CMSSW_7_6_X","labels_url":"https://api.github.com/repos/cms-sw/cmssw/milestones/55/labels","id":1176788,"number":55,"title":"Next CMSSW_7_6_X","description":"","creator":{"login":"smuzaffar","id":4115138,"avatar_url":"https://avatars.githubusercontent.com/u/4115138?v=3","gravatar_id":"","url":"https://api.github.com/users/smuzaffar","html_url":"https://github.com/smuzaffar","followers_url":"https://api.github.com/users/smuzaffar/followers","following_url":"https://api.github.com/users/smuzaffar/following{/other_user}","gists_url":"https://api.github.com/users/smuzaffar/gists{/gist_id}","starred_url":"https://api.github.com/users/smuzaffar/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/smuzaffar/subscriptions","organizations_url":"https://api.github.com/users/smuzaffar/orgs","repos_url":"https://api.github.com/users/smuzaffar/repos","events_url":"https://api.github.com/users/smuzaffar/events{/privacy}","received_events_url":"https://api.github.com/users/smuzaffar/received_events","type":"User","site_admin":false},"open_issues":90,"closed_issues":496,"state":"open","created_at":"2015-06-23T07:27:04Z","updated_at":"2015-08-28T06:56:42Z","due_on":null,"closed_at":null},"comments":13,"created_at":"2015-08-27T14:31:19Z","updated_at":"2015-08-28T07:21:15Z","closed_at":null,"pull_request":{"url":"https://api.github.com/repos/cms-sw/cmssw/pulls/10987","html_url":"https://github.com/cms-sw/cmssw/pull/10987","diff_url":"https://github.com/cms-sw/cmssw/pull/10987.diff","patch_url":"https://github.com/cms-sw/cmssw/pull/10987.patch"},"body":"* fastsim tracker rechit classes are replaced with\r\n   - a fastsim base class FastTrackerRecHit\r\n   - a fastsim class for single rechits FastSingleTrackerRecHit\r\n   (accomodates the fastsim equivalents of SiPixelRecHit, SiStripRecHit2D and SiStripRecHit1D)\r\n   - a fastsim equivalent of SiStripMatchedRecHit2D, FastMatchedTrackerRecHit\r\n   - a fastsim equivalent of ProjectedSiStripRecHit2D, FastProjectedTrackerRecHit\r\n\r\n* trackerHitRTTI::RTTI is extended to accommodate the new rechit containers\r\n\r\n* a new implementation of FastTrackerRecHit::sharesInput\r\n   ( will receive further study once merged)\r\n\r\n* rechit production is further modularised\r\n    - actual rechit production by the old SiTrackerGaussianSmearingRecHitConverter\r\n    - hit matching by new FastTrackerRecHitMatcher\r\n    - predefined combinations of hits by new FastTrackerRecHitCombiner\r\n\r\n* SiTrackerGaussianSmearingRecHitConverter produces now\r\n  OwnVector\\<FastTrackerRecHit\\>\r\n  vector<\\Ref\\<FastTrackerRecHitCollection\\> \\> with one entry per SimHit to find for each SimHit the corresponding RecHit\r\n\r\n* predefined combinations of hits are now in a new, simple format:\r\n  vector\\<vector\\<Ref\\<FastTrackerRecHitCollection\\> \\> \\>\r\n\r\n* model for hit splitting has been improved and moved to a separate class FastTrackerRecHitSplitter\r\n\r\n* model for masking of hits in iterative tracking improved\r\n   (see HitMaskHelper and FastTrackerRecHitMaskProducer)\r\n\r\n* GlobalPixelTracking is not fully migrated yet (it produces zero result):\r\n  it was not properly configured to begin with,\r\n  and we need to study the fullsim equivalent before fixing it\r\n\r\n* various code files were updated for the new rechit classes and the new rechit combination format\r\n\r\n\r\n\r\n\r\n "},"comment":{"url":"https://api.github.com/repos/cms-sw/cmssw/issues/comments/135660111","html_url":"https://github.com/cms-sw/cmssw/pull/10987#issuecomment-135660111","issue_url":"https://api.github.com/repos/cms-sw/cmssw/issues/10987","id":135660111,"user":{"login":"cmsbuild","id":4170616,"avatar_url":"https://avatars.githubusercontent.com/u/4170616?v=3","gravatar_id":"","url":"https://api.github.com/users/cmsbuild","html_url":"https://github.com/cmsbuild","followers_url":"https://api.github.com/users/cmsbuild/followers","following_url":"https://api.github.com/users/cmsbuild/following{/other_user}","gists_url":"https://api.github.com/users/cmsbuild/gists{/gist_id}","starred_url":"https://api.github.com/users/cmsbuild/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/cmsbuild/subscriptions","organizations_url":"https://api.github.com/users/cmsbuild/orgs","repos_url":"https://api.github.com/users/cmsbuild/repos","events_url":"https://api.github.com/users/cmsbuild/events{/privacy}","received_events_url":"https://api.github.com/users/cmsbuild/received_events","type":"User","site_admin":false},"created_at":"2015-08-28T07:21:15Z","updated_at":"2015-08-28T07:21:15Z","body":"Pull request #10987 was updated. @civanch, @Dr15Jones, @lveldere, @cvuosalo, @ianna, @mdhildreth, @cmsbuild, @ssekmen, @slava77 can you please check and sign again."}}