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#include "DataFormats/TrackReco/interface/Track.h" |
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#include "DataFormats/TrackReco/interface/TrackFwd.h" |
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#include "UserCode/PVStudy/interface/TrackSorter.h" |
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#include "DataFormats/VertexReco/interface/Vertex.h" |
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#include <DataFormats/VertexReco/interface/VertexFwd.h> |
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#include "UserCode/PVStudy/interface/TrackSorter.h" |
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#include "TrackingTools/TransientTrack/interface/TransientTrackBuilder.h" |
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#include "TrackingTools/Records/interface/TransientTrackRecord.h" |
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#include "TrackingTools/TransientTrack/interface/TransientTrack.h" |
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#include "MagneticField/Records/interface/IdealMagneticFieldRecord.h" |
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#include "TrackingTools/Records/interface/TransientTrackRecord.h" |
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#include "TrackingTools/TransientTrack/interface/TransientTrack.h" |
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#include "MagneticField/Records/interface/IdealMagneticFieldRecord.h" |
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#include "PhysicsTools/UtilAlgos/interface/TFileService.h" |
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TrackSplitterProducer::TrackSplitterProducer(const edm::ParameterSet & iConfig) |
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: theTrackFilter(iConfig.getParameter<edm::ParameterSet>("TkFilterParameters")) |
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debug_ = iConfig.getParameter<bool> ("Debug"); |
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TrackCollectionTag_ = iConfig.getParameter<edm::InputTag>("TrackCollectionTag"); |
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bsSrc = iConfig.getParameter< edm::InputTag >("beamSpot"); |
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vertexCollectionTag_ = iConfig.getUntrackedParameter<edm::InputTag>("vertexCollection"); |
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min_pvtx_zsep_ = iConfig.getParameter<double> ("minPvtxZsep"); |
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pixelVertexCollectionTag_ = iConfig.getParameter<edm::InputTag>("pixelVertexCollectionTag"); |
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trkFilterZcut_ = iConfig.getParameter<double> ("trkFilterZcut"); |
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produces<TrackCollection>("SplittedTracks1"); |
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produces<TrackCollection>("SplittedTracks2"); |
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produces<TrackCollection>("SplittedTracks2"); |
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} |
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using namespace reco; |
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using namespace std; |
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Handle< TrackCollection> trackCollectionHandle; |
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if(debug_) |
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cout<<"Starting TrackSplitterProducer::produce()..."<<endl; |
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//======================================================= |
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// PVTX accessors |
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//======================================================= |
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//vertexCollection |
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static const reco::VertexCollection s_empty_vertexColl; |
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const reco::VertexCollection *vertexColl = &s_empty_vertexColl; |
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edm::Handle<reco::VertexCollection> vertexCollectionHandle; |
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iEvent.getByLabel(vertexCollectionTag_, vertexCollectionHandle); |
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if( iEvent.getByLabel(vertexCollectionTag_, vertexCollectionHandle)) { |
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vertexColl = vertexCollectionHandle.product(); |
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} else { |
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cout << "vertexCollection cannot be found -> using empty collection of same type." <<endl; |
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} |
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if (vertexColl->size() == 0) return; |
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// The event must have a valid leading vertex with proper fit (!isFake()) |
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if (vertexColl->begin()->isFake() || !(vertexColl->begin()->isValid())) return; |
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// == Apply event pre-selection based on if the leading pvtx has nearby pvtx within max_zsep |
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// zsep is the mininum separation of the secondary pvtxs to the leading one |
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if(vertexColl->size()>1) { |
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double zsep = 9999.0; |
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for(reco::VertexCollection::const_iterator v=vertexColl->begin() + 1 ; |
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v!=vertexColl->end(); ++v) { |
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if(v->isValid() && ! v->isFake()) { |
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// zsep |
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if(fabs(v->z()- vertexColl->begin()->z())< zsep) |
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zsep = fabs(v->z()- vertexColl->begin()->z()); |
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} |
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} |
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if( zsep < min_pvtx_zsep_ ) return; |
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} |
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//======================================================= |
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// Track accessors |
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//======================================================= |
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edm::Handle<reco::TrackCollection> trackCollectionHandle; |
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iEvent.getByLabel(TrackCollectionTag_, trackCollectionHandle); |
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//======================================================= |
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// BeamSpot accessors |
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//======================================================= |
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edm::Handle<reco::BeamSpot> recoBeamSpotHandle; |
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iEvent.getByLabel(bsSrc,recoBeamSpotHandle); |
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reco::BeamSpot bs = *recoBeamSpotHandle; |
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TrackSorter trksorter; |
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TrackCollection sortedTrackColl = trksorter.sortedList(*(trackCollectionHandle.product())); |
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// Filter the track for PV |
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std::vector<reco::Track> filtedTrackColl; |
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edm::ESHandle<TransientTrackBuilder> theB; |
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iSetup.get<TransientTrackRecord>().get("TransientTrackBuilder",theB); |
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//Get pixelVertices |
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static const reco::VertexCollection s_empty_pixelVertexColl; |
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const reco::VertexCollection *pixelVertexColl = &s_empty_pixelVertexColl; |
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edm::Handle<reco::VertexCollection> pixelVertexCollectionHandle; |
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iEvent.getByLabel(pixelVertexCollectionTag_, pixelVertexCollectionHandle); |
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if( iEvent.getByLabel(pixelVertexCollectionTag_, pixelVertexCollectionHandle)) { |
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pixelVertexColl = pixelVertexCollectionHandle.product(); |
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} else { |
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cout << "pixelVertexCollection cannot be found. -> using empty collection of same type." <<endl; |
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} |
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if(debug_) |
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cout<<"Getting pixelVertices: size() = "<< pixelVertexColl->size() <<endl; |
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if(pixelVertexColl->size() == 0 ) return; |
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//Get the z and sigma z of the first vertex of pixelVertexColl |
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double z_pixelpvtx = pixelVertexColl->begin()->z(); |
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double zerr_pixelpvtx = pixelVertexColl->begin()->zError(); |
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if(debug_) { |
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std::cout<<"TrackSplitterProducer pixelVertex z = "<<z_pixelpvtx<<" +/- "<<zerr_pixelpvtx<<std::endl; |
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// Fill the track->dz() in the PV difference from first pixelpvtx |
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std::cout<<"Looping through "<< pixelVertexColl->begin()->tracksSize() <<" pixelTracks"<<endl; |
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for(reco::Vertex::trackRef_iterator t = (pixelVertexColl->begin())->tracks_begin(); |
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t!= (pixelVertexColl->begin())->tracks_end(); t++) { |
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// illegal charge |
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if ( (**t).charge() < -1 || (**t).charge() > 1 ) { |
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// h["trkPtPV"]->Fill(0.); |
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} |
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else |
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std::cout<<"pixelTrack dz() = "<<(**t).dz()<<" +/- "<<(**t).dzError()<<endl; |
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} |
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} |
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// Loop over generalTracks and apply trkFilter |
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for(TrackCollection::const_iterator track = sortedTrackColl.begin(); track!= sortedTrackColl.end(); ++track) |
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{ |
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TransientTrack t_track = (*theB).build(*track); |
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t_track.setBeamSpot(bs); |
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if (theTrackFilter(t_track)) filtedTrackColl.push_back(Track (*track)); |
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//Filter tracks based on default track filter by offlinePrimaryVertices |
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if (theTrackFilter(t_track)) { |
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//Filter tracks based on the z provided by pixelVertices |
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if (fabs((track->dz() - z_pixelpvtx)) < trkFilterZcut_ *track->dzError()) |
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filtedTrackColl.push_back(Track (*track)); |
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else { |
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if(debug_) { |
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cout<<"WARNING: track dz is not within "<< trkFilterZcut_ << " cm." <<endl; |
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cout<<" track->dz = "<<track->dz()<<" +/- "<<track->dzError() |
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<<" track->dz - z_pixelpvtx = " << track->dz()-z_pixelpvtx<<endl; |
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} |
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} |
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} |
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} |
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// create the two splitted trackCollections |
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splittedTColl1_ = std::auto_ptr<TrackCollection> (new TrackCollection ); |
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splittedTColl2_ = std::auto_ptr<TrackCollection> (new TrackCollection ); |
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if(debug_) |
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cout<<"TrackSplitterProducer looping over "<< filtedTrackColl.size()<< "tracks." << endl; |
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//for(TrackCollection::const_iterator track = sortedTrackColl.begin(); track!= sortedTrackColl.end(); ++track, ++i) |
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for(TrackCollection::const_iterator track = filtedTrackColl.begin(); track!= filtedTrackColl.end(); ++track, ++i) |
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{ |
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if(debug_) |
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cout<< "Track "<<i<<" : pT = "<<track->pt()<<endl; |
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if(debug_) { |
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cout<< "Track "<<i<<" : pT = "<<track->pt() |
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<<"; dz = "<< track->dz() <<" +/- "<< track->dzError() <<endl; |
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} |
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//Iterate every other track |
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if (track != (filtedTrackColl.end() -1) ) { |
