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File indexing completed on 2021-12-29 23:32:29

0001 #include "RecoTracker/NuclearSeedGenerator/interface/NuclearSeedsEDProducer.h"
0002 #include "RecoTracker/NuclearSeedGenerator/interface/NuclearInteractionFinder.h"
0003 
0004 #include "FWCore/Utilities/interface/InputTag.h"
0005 #include "FWCore/MessageLogger/interface/MessageLogger.h"
0006 
0007 #include "TrackingTools/KalmanUpdators/interface/Chi2MeasurementEstimatorBase.h"
0008 #include "RecoTracker/Record/interface/NavigationSchoolRecord.h"
0009 #include "RecoTracker/Record/interface/CkfComponentsRecord.h"
0010 
0011 #include "DataFormats/TrackReco/interface/Track.h"
0012 #include "DataFormats/TrackReco/interface/TrackBase.h"
0013 
0014 using namespace edm;
0015 using namespace std;
0016 using namespace reco;
0017 
0018 //
0019 // constructors and destructor
0020 //
0021 NuclearSeedsEDProducer::NuclearSeedsEDProducer(const edm::ParameterSet& iConfig)
0022     : config_(),
0023       improveSeeds(iConfig.getParameter<bool>("improveSeeds")),
0024       producer_(consumes<TrajectoryCollection>(iConfig.getParameter<std::string>("producer"))),
0025       mteToken_(consumes<MeasurementTrackerEvent>(edm::InputTag("MeasurementTrackerEvents"))) {
0026   produces<TrajectorySeedCollection>();
0027   produces<TrajectoryToSeedsMap>();
0028 
0029   trackerGeomToken_ = esConsumes<edm::Transition::BeginRun>();
0030   propagatorToken_ = esConsumes<edm::Transition::BeginRun>(edm::ESInputTag("", "PropagatorWithMaterial"));
0031   estimatorToken_ = esConsumes<edm::Transition::BeginRun>(edm::ESInputTag("", "Chi2"));
0032 
0033   std::string measurementTrackerName = iConfig.getParameter<std::string>("MeasurementTrackerName");
0034   measurementTrackerToken_ = esConsumes<edm::Transition::BeginRun>(edm::ESInputTag("", measurementTrackerName));
0035   geomSearchTrackerToken_ = esConsumes<edm::Transition::BeginRun>();
0036 
0037   auto navigationSchoolName = iConfig.getParameter<std::string>("NavigationSchool");
0038   navigationToken_ = esConsumes<edm::Transition::BeginRun>(edm::ESInputTag("", navigationSchoolName));
0039 
0040   config_.maxHits = iConfig.getParameter<int>("maxHits");
0041   config_.rescaleErrorFactor = iConfig.getParameter<double>("rescaleErrorFactor");
0042   config_.checkCompletedTrack = iConfig.getParameter<bool>("checkCompletedTrack");
0043   config_.ptMin = iConfig.getParameter<double>("ptMin");
0044 }
0045 
0046 NuclearSeedsEDProducer::~NuclearSeedsEDProducer() {}
0047 
0048 //
0049 // member functions
0050 //
0051 
0052 // ------------ method called to produce the data  ------------
0053 void NuclearSeedsEDProducer::produce(edm::Event& iEvent, const edm::EventSetup& iSetup) {
0054   typedef TrajectoryMeasurement TM;
0055 
0056   edm::Handle<TrajectoryCollection> m_TrajectoryCollection;
0057   iEvent.getByToken(producer_, m_TrajectoryCollection);
0058 
0059   LogDebug("NuclearSeedGenerator") << "Number of trajectory in event :" << m_TrajectoryCollection->size() << "\n";
0060 
0061   auto output = std::make_unique<TrajectorySeedCollection>();
0062   auto outAssoc = std::make_unique<TrajectoryToSeedsMap>();
0063 
0064   edm::Handle<MeasurementTrackerEvent> data;
0065   iEvent.getByToken(mteToken_, data);
0066 
0067   //   NavigationSetter setter( *(theNuclearInteractionFinder->nav()) );   why???
0068 
0069   std::vector<std::pair<int, int> > assocPair;
0070   int i = 0;
0071 
0072   for (std::vector<Trajectory>::const_iterator iTraj = m_TrajectoryCollection->begin();
0073        iTraj != m_TrajectoryCollection->end();
0074        iTraj++, i++) {
0075     // run the finder
0076     theNuclearInteractionFinder->run(*iTraj, *data);
0077 
0078     // improve seeds
0079     if (improveSeeds == true)
0080       theNuclearInteractionFinder->improveSeeds(*data);
0081 
0082     // push back the new persistent seeds in output
0083     std::unique_ptr<TrajectorySeedCollection> newSeeds(theNuclearInteractionFinder->getPersistentSeeds());
0084     output->insert(output->end(), newSeeds->begin(), newSeeds->end());
0085 
0086     // fill the id of the Trajectory and the if of the seed in assocPair
0087     for (unsigned int j = 0; j < newSeeds->size(); j++) {
0088       assocPair.push_back(std::make_pair(i, output->size() - newSeeds->size() + j));
0089     }
0090   }
0091 
0092   const edm::OrphanHandle<TrajectorySeedCollection> refprodTrajSeedColl = iEvent.put(std::move(output));
0093 
0094   for (std::vector<std::pair<int, int> >::const_iterator iVecP = assocPair.begin(); iVecP != assocPair.end(); iVecP++) {
0095     outAssoc->insert(edm::Ref<TrajectoryCollection>(m_TrajectoryCollection, iVecP->first),
0096                      edm::Ref<TrajectorySeedCollection>(refprodTrajSeedColl, iVecP->second));
0097   }
0098   iEvent.put(std::move(outAssoc));
0099 }
0100 
0101 // ------------ method called once each job just before starting event loop  ------------
0102 void NuclearSeedsEDProducer::beginRun(edm::Run const& run, const edm::EventSetup& es) {
0103   theNuclearInteractionFinder = std::make_unique<NuclearInteractionFinder>(config_,
0104                                                                            &es.getData(trackerGeomToken_),
0105                                                                            &es.getData(propagatorToken_),
0106                                                                            &es.getData(estimatorToken_),
0107                                                                            &es.getData(measurementTrackerToken_),
0108                                                                            &es.getData(geomSearchTrackerToken_),
0109                                                                            &es.getData(navigationToken_));
0110 }
0111 
0112 DEFINE_FWK_MODULE(NuclearSeedsEDProducer);