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#include "SimDataFormats/TrackingAnalysis/interface/TrackingParticle.h" |
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#include "SimDataFormats/TrackingAnalysis/interface/TrackingParticleFwd.h" |
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#include "DataFormats/RecoCandidate/interface/TrackAssociation.h" |
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#include "MitAna/DataTree/interface/Track.h" |
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#include "MitAna/DataTree/interface/Names.h" |
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using namespace std; |
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using namespace edm; |
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using namespace mithep; |
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//------------------------------------------------------------------------------------------------- |
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FillerTracks::FillerTracks(const ParameterSet &cfg, const char *name, |
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bool active, const SimParticleMap *sm) : |
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BaseFiller(cfg, name, active), |
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edmName_(Conf().getUntrackedParameter<string>("edmName","")), |
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edmDataName_(Conf().getUntrackedParameter<string>("edmDataName","")), |
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mitName_(Conf().getUntrackedParameter<string>("mitName","")), |
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//-------------------------------------------------------------------------------------------------- |
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FillerTracks::FillerTracks(const ParameterSet &cfg, const char *name, bool active) : |
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BaseFiller(cfg,name,active), |
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edmName_(Conf().getUntrackedParameter<string>("edmName","generalTracks")), |
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mitName_(Conf().getUntrackedParameter<string>("mitName",Names::gkTrackBrn)), |
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edmSimAssociationName_(Conf().getUntrackedParameter<string>("edmSimAssociationName","")), |
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simMap_(sm), |
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tracks_(new mithep::TrackArr), |
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simMapName_(Conf().getUntrackedParameter<string>("simMapName","SimMap")), |
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trackMapName_(Conf().getUntrackedParameter<string>("trackMapName", |
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Form("%sMapName",mitName_.c_str()))), |
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simMap_(0), |
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tracks_(new mithep::TrackArr(250)), |
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trackMap_(new mithep::TrackMap) |
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{ |
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// Constructor. |
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} |
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//------------------------------------------------------------------------------------------------- |
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//-------------------------------------------------------------------------------------------------- |
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FillerTracks::~FillerTracks() |
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{ |
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// Destructor. |
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delete tracks_; |
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delete trackMap_; |
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} |
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//------------------------------------------------------------------------------------------------- |
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//-------------------------------------------------------------------------------------------------- |
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void FillerTracks::BookDataBlock(TreeWriter &tws) |
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{ |
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// Add tracks branch to tree. |
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// Add tracks branch to tree, publish and get our objects. |
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tws.AddBranch(mitName_.c_str(),&tracks_); |
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simMap_ = OS()->get<SimParticleMap>(simMapName_.c_str()); |
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OS()->add<TrackMap>(trackMap_,trackMapName_.c_str()); |
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OS()->add<TrackArr>(tracks_,mitName_.c_str()); |
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} |
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//------------------------------------------------------------------------------------------------- |
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//-------------------------------------------------------------------------------------------------- |
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void FillerTracks::FillDataBlock(const edm::Event &event, |
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const edm::EventSetup &setup) |
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{ |
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// Fill tracks from edm collection into our collection. |
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tracks_->Reset(); |
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tracks_ ->Reset(); |
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trackMap_->Reset(); |
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// get the tracks collection |
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try { |
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if (edmDataName_ == "") |
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event.getByLabel(edmName_,trackProduct_); |
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else |
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event.getByLabel(edmName_,edmDataName_,trackProduct_); |
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} catch (cms::Exception& ex) { |
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edm::LogError("FillerTracks") << "Error! Cannot get collection with label " |
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<< edmName_ << endl; |
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throw edm::Exception(edm::errors::Configuration, "FillerTracks:FillDataBlock()\n") |
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<< "Error! Cannot get collection with label " << edmName_ << endl; |
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} |
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Handle<reco::TrackCollection> hTrackProduct; |
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GetProduct(edmName_, hTrackProduct, event); |
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trackMap_->SetEdmProductId(trackProduct_.id().id()); |
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const reco::TrackCollection inTracks = *(trackProduct_.product()); |
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trackMap_->SetEdmProductId(hTrackProduct.id().id()); |
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const reco::TrackCollection inTracks = *(hTrackProduct.product()); |
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// if we have a Sim Particle association (for monte carlo), initialize the reco->sim mappings |
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// for MC SimParticle association (reco->sim mappings) |
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reco::RecoToSimCollection simAssociation; |
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if (simMap_ && !edmSimAssociationName_.empty()) { |
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Handle<reco::RecoToSimCollection> simAssociationProduct; |
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try { |
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event.getByLabel(edmSimAssociationName_, simAssociationProduct); |
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} |
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catch (cms::Exception& ex) { |
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edm::LogError("FillerTracks") << "Error! Cannot get collection with label " |
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<< edmSimAssociationName_ << endl; |
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throw edm::Exception(edm::errors::Configuration, "FillerTracks:FillDataBlock()\n") |
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<< "Error! Cannot get collection with label " << edmSimAssociationName_ << endl; |
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} |
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GetProduct(edmSimAssociationName_, simAssociationProduct, event); |
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simAssociation = *(simAssociationProduct.product()); |
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} |
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// loop through all tracks |
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for (reco::TrackCollection::const_iterator inTrack = inTracks.begin(); |
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inTrack != inTracks.end(); ++inTrack) { |
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mithep::Track* outTrack = tracks_->Allocate(); |
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new (outTrack) mithep::Track(inTrack->phi(),inTrack->d0(),inTrack->pt(),inTrack->dz(),inTrack->theta()); |
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outTrack->SetErrors(inTrack->phiError(), |
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inTrack->d0Error(), |
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inTrack->ptError(), |
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inTrack->dzError(), |
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inTrack->thetaError()); |
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outTrack->SetCharge(inTrack->charge()); |
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// loop through all tracks and fill the information |
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for (reco::TrackCollection::const_iterator it = inTracks.begin(); |
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it != inTracks.end(); ++it) { |
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mithep::Track *outTrack = tracks_->Allocate(); |
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// create track and set the core parameters |
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new (outTrack) mithep::Track(it->phi(),it->d0(),it->pt(),it->dz(),it->theta()); |
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outTrack->SetErrors(it->phiError(),it->d0Error(),it->ptError(),it->dzError(),it->thetaError()); |
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outTrack->SetCharge(it->charge()); |
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// add reference between mithep and edm object |
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reco::TrackRef theRef(trackProduct_, inTrack-inTracks.begin()); |
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reco::TrackRef theRef(hTrackProduct, it - inTracks.begin()); |
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trackMap_->Add(theRef, outTrack); |
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if (simMap_ && !edmSimAssociationName_.empty()) { |
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reco::TrackBaseRef theBaseRef(theRef); |
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vector<pair<TrackingParticleRef, double> > simRefs; |
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Bool_t noSimParticle=0; |
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Bool_t noSimParticle = 0; |
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try { |
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simRefs = simAssociation[theBaseRef]; //try to get the sim references if existing |
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} |
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catch (edm::Exception& ex) { |
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noSimParticle=1; |
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catch (edm::Exception &ex) { |
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noSimParticle = 1; |
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} |
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if (!noSimParticle) { //loop through sim match candidates |
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for (vector<pair<TrackingParticleRef, double> >::const_iterator simRefPair=simRefs.begin(); |
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simRefPair != simRefs.end(); ++simRefPair) |
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if ( simRefPair->second > 0.5 ) // require more than 50% shared hits between reco and sim |
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outTrack->SetSimParticle(simMap_->GetMit(simRefPair->first)); //add reco->sim reference |
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if (simRefPair->second > 0.5) // require more than 50% shared hits between reco and sim |
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outTrack->SetMCPart(simMap_->GetMit(simRefPair->first)); //add reco->sim reference |
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} |
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} |
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} |
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tracks_->Trim(); |
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} |
