#include <MuonToSimAssociatorByHits.h>

Inheritance diagram for MuonToSimAssociatorByHits:

Public Member Functions
void	associateMuons (MuonToSimCollection &recoToSim, SimToMuonCollection &simToReco, const edm::RefToBaseVector< reco::Muon > &, MuonTrackType, const edm::RefVector< TrackingParticleCollection > &, const edm::Event event=0, const edm::EventSetup setup=0) const override

void	associateMuons (MuonToSimCollection &recoToSim, SimToMuonCollection &simToReco, const edm::Handle< edm::View< reco::Muon > > &, MuonTrackType, const edm::Handle< TrackingParticleCollection > &, const edm::Event event=0, const edm::EventSetup setup=0) const override

	MuonToSimAssociatorByHits (const edm::ParameterSet &conf, edm::ConsumesCollector &&iC)

	~MuonToSimAssociatorByHits ()

Public Member Functions inherited from MuonToSimAssociatorBase
	MuonToSimAssociatorBase ()

virtual	~MuonToSimAssociatorBase ()

Private Attributes
edm::ParameterSet const	conf_

MuonAssociatorByHitsHelper	helper_

TrackerHitAssociator::Config	trackerHitAssociatorConfig_

Additional Inherited Members
Public Types inherited from MuonToSimAssociatorBase
typedef std::map < edm::RefToBase< reco::Muon > , std::vector< std::pair < TrackingParticleRef, double > >, RefToBaseSort >	MuonToSimCollection

enum	MuonTrackType { InnerTk, OuterTk, GlobalTk, Segments }

typedef std::map < TrackingParticleRef, std::vector< std::pair < edm::RefToBase< reco::Muon > , double > > >	SimToMuonCollection

Detailed Description

Definition at line 11 of file MuonToSimAssociatorByHits.h.

Constructor & Destructor Documentation

MuonToSimAssociatorByHits::MuonToSimAssociatorByHits	(	const edm::ParameterSet &	conf,
		edm::ConsumesCollector &&	iC
	)

Definition at line 19 of file MuonToSimAssociatorByHits.cc.

References conf_.

                                                                                                              :
   helper_(conf),
   conf_(conf),
   trackerHitAssociatorConfig_(conf,std::move(iC))
 {
   TrackerMuonHitExtractor hitExtractor(conf_,std::move(iC)); 
 
   //hack for consumes
   RPCHitAssociator rpctruth(conf,std::move(iC));
   DTHitAssociator dttruth(conf,std::move(iC));
   CSCHitAssociator muonTruth(conf,std::move(iC));
 }

MuonToSimAssociatorByHits::~MuonToSimAssociatorByHits ( )

Definition at line 33 of file MuonToSimAssociatorByHits.cc.

34 {

35 }

Member Function Documentation

void MuonToSimAssociatorByHits::associateMuons	(	MuonToSimCollection &	recoToSim,
		SimToMuonCollection &	simToReco,
		const edm::RefToBaseVector< reco::Muon > &	muons,
		MuonTrackType	trackType,
		const edm::RefVector< TrackingParticleCollection > &	tPC,
		const edm::Event *	event = `0`,
		const edm::EventSetup *	setup = `0`
	)		const

overridevirtual

PART 1: Fill MuonToSimAssociatorByHits::TrackHitsCollection

PART 2: call the association routines

Implements MuonToSimAssociatorBase.

Definition at line 55 of file MuonToSimAssociatorByHits.cc.

References a, MuonAssociatorByHitsHelper::associateRecoToSimIndices(), MuonAssociatorByHitsHelper::associateSimToRecoIndices(), edm::RefToBaseVector< T >::begin(), conf_, edm::OwnVector< T, P >::data(), edm::RefToBaseVector< T >::end(), edm::EventSetup::get(), TrackerMuonHitExtractor::getMuonHits(), MuonToSimAssociatorBase::GlobalTk, reco::Muon::globalTrack(), helper_, TrackerMuonHitExtractor::init(), MuonToSimAssociatorBase::InnerTk, edm::Ref< C, T, F >::isNonnull(), reco::Muon::isTrackerMuon(), MuonToSimAssociatorBase::OuterTk, reco::Muon::outerTrack(), edm::ESHandle< class >::product(), edm::RefToBaseVector< T >::push_back(), edm::RefVector< C, T, F >::push_back(), edm::OwnVector< T, P >::push_back(), MuonToSimAssociatorBase::Segments, edm::OwnVector< T, P >::size(), reco::Muon::track(), and trackerHitAssociatorConfig_.

Referenced by associateMuons().

                                                                                  {
 
     MuonAssociatorByHitsHelper::TrackHitsCollection muonHitRefs;
     edm::OwnVector<TrackingRecHit> allTMRecHits;  // this I will fill in only for tracker muon hits from segments
     switch (trackType) {
         case InnerTk: 
             for (edm::RefToBaseVector<reco::Muon>::const_iterator it = muons.begin(), ed = muons.end(); it != ed; ++it) {
                 edm::RefToBase<reco::Muon> mur = *it;
                 if (mur->track().isNonnull()) { 
                     muonHitRefs.push_back(std::make_pair(mur->track()->recHitsBegin(), mur->track()->recHitsEnd()));
                 } else {
                     muonHitRefs.push_back(std::make_pair(allTMRecHits.data().end(), allTMRecHits.data().end()));
                 }
             }
             break;
         case OuterTk: 
             for (edm::RefToBaseVector<reco::Muon>::const_iterator it = muons.begin(), ed = muons.end(); it != ed; ++it) {
                 edm::RefToBase<reco::Muon> mur = *it;
                 if (mur->outerTrack().isNonnull()) { 
                     muonHitRefs.push_back(std::make_pair(mur->outerTrack()->recHitsBegin(), mur->outerTrack()->recHitsEnd()));
                 } else {
                     muonHitRefs.push_back(std::make_pair(allTMRecHits.data().end(), allTMRecHits.data().end()));
                 }
             }
             break;
         case GlobalTk: 
             for (edm::RefToBaseVector<reco::Muon>::const_iterator it = muons.begin(), ed = muons.end(); it != ed; ++it) {
                 edm::RefToBase<reco::Muon> mur = *it;
                 if (mur->globalTrack().isNonnull()) { 
                     muonHitRefs.push_back(std::make_pair(mur->globalTrack()->recHitsBegin(), mur->globalTrack()->recHitsEnd()));
                 } else {
                     muonHitRefs.push_back(std::make_pair(allTMRecHits.data().end(), allTMRecHits.data().end()));
                }
             }
             break;
         case Segments: {
                 TrackerMuonHitExtractor hitExtractor(conf_); 
                 hitExtractor.init(*event, *setup);
                 // puts hits in the vector, and record indices
                 std::vector<std::pair<size_t, size_t> >   muonHitIndices;
                 for (edm::RefToBaseVector<reco::Muon>::const_iterator it = muons.begin(), ed = muons.end(); it != ed; ++it) {
                     edm::RefToBase<reco::Muon> mur = *it;
                     std::pair<size_t, size_t> indices(allTMRecHits.size(), allTMRecHits.size());
                     if (mur->isTrackerMuon()) {
                         std::vector<const TrackingRecHit *> hits = hitExtractor.getMuonHits(*mur);
                         for (std::vector<const TrackingRecHit *>::const_iterator ith = hits.begin(), edh = hits.end(); ith != edh; ++ith) {
                             allTMRecHits.push_back(**ith);
                         }
                         indices.second += hits.size();
                     }
                     muonHitIndices.push_back(indices);  
                 }
                 // convert indices into pairs of iterators to references
                 typedef std::pair<size_t, size_t> index_pair;
                 trackingRecHit_iterator hitRefBegin = allTMRecHits.data().begin();
                 for (std::vector<std::pair<size_t, size_t> >::const_iterator idxs = muonHitIndices.begin(), idxend = muonHitIndices.end(); idxs != idxend; ++idxs) {
                     muonHitRefs.push_back(std::make_pair(hitRefBegin+idxs->first, 
                                                          hitRefBegin+idxs->second));
                 }
                 
             }
             break;
     }
 
     //Retrieve tracker topology from geometry
     edm::ESHandle<TrackerTopology> tTopoHand;
     setup->get<TrackerTopologyRcd>().get(tTopoHand);
     const TrackerTopology *tTopo=tTopoHand.product();
     
     
     // Tracker hit association  
     TrackerHitAssociator trackertruth(*event, trackerHitAssociatorConfig_);
     // CSC hit association
     CSCHitAssociator csctruth(*event,*setup,conf_);
     // DT hit association
     bool printRtS = true;
     DTHitAssociator dttruth(*event,*setup,conf_,printRtS);  
     // RPC hit association
     RPCHitAssociator rpctruth(*event,*setup,conf_);
    
     MuonAssociatorByHitsHelper::Resources resources = {tTopo, &trackertruth, &csctruth, &dttruth, &rpctruth};
 
     auto recSimColl = helper_.associateRecoToSimIndices(muonHitRefs,tPC,resources);
     for (auto it = recSimColl.begin(), ed = recSimColl.end(); it != ed; ++it) {
         edm::RefToBase<reco::Muon> rec = muons[it->first];
         std::vector<std::pair<TrackingParticleRef, double> > & tpAss  = recToSim[rec];
         for ( auto const & a : it->second) {
             tpAss.push_back(std::make_pair(tPC[a.idx], a.quality));
         }
     }
     auto simRecColl = helper_.associateSimToRecoIndices(muonHitRefs,tPC,resources);
     for (auto it = simRecColl.begin(), ed = simRecColl.end(); it != ed; ++it) {
         TrackingParticleRef sim = tPC[it->first];
         std::vector<std::pair<edm::RefToBase<reco::Muon>, double> > & recAss = simToRec[sim];
         for ( auto const & a: it->second ) {
             recAss.push_back(std::make_pair(muons[a.idx], a.quality));
         }
     }
 
 }

void MuonToSimAssociatorByHits::associateMuons	(	MuonToSimCollection &	recoToSim,
		SimToMuonCollection &	simToReco,
		const edm::Handle< edm::View< reco::Muon > > &	tCH,
		MuonTrackType	type,
		const edm::Handle< TrackingParticleCollection > &	tPCH,
		const edm::Event *	event = `0`,
		const edm::EventSetup *	setup = `0`
	)		const

overridevirtual

Implements MuonToSimAssociatorBase.

Definition at line 39 of file MuonToSimAssociatorByHits.cc.

References associateMuons(), i, edm::HandleBase::id(), j, edm::RefVector< C, T, F >::push_back(), and edm::RefToBaseVector< T >::push_back().

                                                                                                       {
 
     edm::RefVector<TrackingParticleCollection> tpc(tPCH.id());
     for (unsigned int j=0; j<tPCH->size();j++)
       tpc.push_back(edm::Ref<TrackingParticleCollection>(tPCH,j));
     
     edm::RefToBaseVector<reco::Muon> muonBaseRefVector;
     for (size_t i = 0; i < tCH->size(); ++i)
       muonBaseRefVector.push_back(tCH->refAt(i));
 
     associateMuons(recToSim, simToRec, muonBaseRefVector,type,tpc,event,setup);
 }