#include <PixelTracksProducer.h>

Inheritance diagram for PixelTracksProducer:

Public Member Functions
	PixelTracksProducer (const edm::ParameterSet &conf)

void	produce (edm::Event &ev, const edm::EventSetup &es) override

	~PixelTracksProducer () override

Public Member Functions inherited from edm::stream::EDProducer<>
	EDProducer ()=default

bool	hasAbilityToProduceInLumis () const final

bool	hasAbilityToProduceInRuns () const final

Private Attributes
edm::EDGetTokenT< PixelTrackFilter >	filterToken

edm::EDGetTokenT< PixelFitter >	fitterToken

edm::EDGetTokenT< TrajectorySeedCollection >	seedProducerToken

TrackingRegionProducer *	theRegionProducer

Additional Inherited Members
Public Types inherited from edm::stream::EDProducer<>
typedef CacheContexts< T... >	CacheTypes

typedef CacheTypes::GlobalCache	GlobalCache

typedef AbilityChecker< T... >	HasAbility

typedef CacheTypes::LuminosityBlockCache	LuminosityBlockCache

typedef LuminosityBlockContextT< LuminosityBlockCache, RunCache, GlobalCache >	LuminosityBlockContext

typedef CacheTypes::LuminosityBlockSummaryCache	LuminosityBlockSummaryCache

typedef CacheTypes::RunCache	RunCache

typedef RunContextT< RunCache, GlobalCache >	RunContext

typedef CacheTypes::RunSummaryCache	RunSummaryCache

Detailed Description

Definition at line 22 of file PixelTracksProducer.h.

Constructor & Destructor Documentation

PixelTracksProducer::PixelTracksProducer ( const edm::ParameterSet & conf )

explicit

Definition at line 35 of file PixelTracksProducer.cc.

References filterToken, fitterToken, reco::get(), edm::ParameterSet::getParameter(), seedProducerToken, AlCaHLTBitMon_QueryRunRegistry::string, and theRegionProducer.

                                                                     : 
   theRegionProducer(nullptr)
 {  
 
   produces<reco::TrackCollection>();
   produces<TrackingRecHitCollection>();
   produces<reco::TrackExtraCollection>();
 
   const edm::ParameterSet& regfactoryPSet = conf.getParameter<edm::ParameterSet>("RegionFactoryPSet");
   std::string regfactoryName = regfactoryPSet.getParameter<std::string>("ComponentName");
   theRegionProducer = TrackingRegionProducerFactory::get()->create(regfactoryName,
     regfactoryPSet, consumesCollector());
   
   fitterToken = consumes<PixelFitter>(conf.getParameter<edm::InputTag>("Fitter"));
   filterToken = consumes<PixelTrackFilter>(conf.getParameter<edm::InputTag>("Filter"));
   
   // The name of the seed producer
   auto seedProducer = conf.getParameter<edm::InputTag>("SeedProducer");
   seedProducerToken = consumes<TrajectorySeedCollection>(seedProducer);
 
 }

PixelTracksProducer::~PixelTracksProducer ( )

override

Definition at line 59 of file PixelTracksProducer.cc.

References theRegionProducer.

                                           {
 
   delete theRegionProducer;
 
 } 

Member Function Documentation

void PixelTracksProducer::produce	(	edm::Event &	ev,
		const edm::EventSetup &	es
	)

override

Definition at line 68 of file PixelTracksProducer.cc.

References reco::TrackBase::appendHitPattern(), clone(), DEFINE_FWK_MODULE, filterToken, fitterToken, edm::EventSetup::get(), edm::Event::getByToken(), hfClusterShapes_cfi::hits, mps_fire::i, gen::k, eostools::move(), nTracks(), edm::Event::put(), TrackingRegionProducer::regions(), PixelFitter::run(), seedProducerToken, reco::TrackExtraBase::setHits(), theRegionProducer, HiIsolationCommonParameters_cff::track, and l1t::tracks.

Referenced by JSONExport.JsonExport::export(), HTMLExport.HTMLExport::export(), and HTMLExport.HTMLExportStatic::export().

                                                                  {        
   
   std::unique_ptr<reco::TrackCollection> tracks(new reco::TrackCollection);    
   std::unique_ptr<TrackingRecHitCollection> recHits(new TrackingRecHitCollection);
   std::unique_ptr<reco::TrackExtraCollection> trackExtras(new reco::TrackExtraCollection);
   typedef std::vector<const TrackingRecHit *> RecHits;
   
   TracksWithRecHits pixeltracks;
   TracksWithRecHits cleanedTracks;
 
   edm::ESHandle<TrackerTopology> httopo;
   es.get<TrackerTopologyRcd>().get(httopo);
   const TrackerTopology& ttopo = *httopo;
 
   edm::Handle<PixelFitter> hfitter;
   e.getByToken(fitterToken, hfitter);
   const PixelFitter& fitter = *hfitter;
 
   edm::Handle<PixelTrackFilter> hfilter;
   e.getByToken(filterToken, hfilter);
   const PixelTrackFilter& theFilter = *hfilter;
   
   edm::Handle<TrajectorySeedCollection> theSeeds;
   e.getByToken(seedProducerToken,theSeeds);
 
   // No seed -> output an empty track collection
   if(theSeeds->empty()) {
     e.put(std::move(tracks));
     e.put(std::move(recHits));
     e.put(std::move(trackExtras));
     return;
   }
   
   //only one region Global, but it is called at every event...
   //maybe there is a smarter way to set it only once
   //NEED TO FIX
   typedef std::vector<std::unique_ptr<TrackingRegion> > Regions;
   typedef Regions::const_iterator IR;
   Regions regions = theRegionProducer->regions(e,es);
   for (IR ir=regions.begin(), irEnd=regions.end(); ir < irEnd; ++ir) {
     const TrackingRegion & region = **ir;
     
     // Loop over the seeds
     TrajectorySeedCollection::const_iterator aSeed = theSeeds->begin();
     TrajectorySeedCollection::const_iterator lastSeed = theSeeds->end();
     for ( ; aSeed!=lastSeed; ++aSeed ) { 
       
       // Find the first hit and last hit of the Seed
       TrajectorySeed::range theSeedingRecHitRange = aSeed->recHits();
       edm::OwnVector<TrackingRecHit>::const_iterator aSeedingRecHit = theSeedingRecHitRange.first;
       edm::OwnVector<TrackingRecHit>::const_iterator theLastSeedingRecHit = theSeedingRecHitRange.second;
 
       // Loop over the rechits
       std::vector<const TrackingRecHit*> TripletHits(3,static_cast<const TrackingRecHit*>(nullptr));
       for ( unsigned i=0; aSeedingRecHit!=theLastSeedingRecHit; ++i,++aSeedingRecHit )  
     TripletHits[i] = &(*aSeedingRecHit);
       
       // fitting the triplet
       std::unique_ptr<reco::Track> track = fitter.run(TripletHits, region);
       
       // decide if track should be skipped according to filter 
       if ( ! theFilter(track.get(), TripletHits) ) {
     continue; 
       }
       
       // add tracks 
       pixeltracks.push_back(TrackWithRecHits(track.release(), TripletHits));
       
     }
   }
   
   int cc=0;
   int nTracks = pixeltracks.size();
   for (int i = 0; i < nTracks; ++i) {
 
     reco::Track* track   =  pixeltracks.at(i).first;
     const RecHits & hits = pixeltracks.at(i).second;
     
     for (unsigned int k = 0; k < hits.size(); k++) {
       TrackingRecHit *hit = (hits.at(k))->clone();
       track->appendHitPattern(*hit, ttopo);
       recHits->push_back(hit);
     }
 
     tracks->push_back(*track);
     delete track;
     
   }
   
   edm::OrphanHandle <TrackingRecHitCollection> ohRH = e.put(std::move(recHits ));
   edm::RefProd<TrackingRecHitCollection> ohRHProd(ohRH);
 
   for (int k = 0; k < nTracks; ++k) {
 
     // reco::TrackExtra* theTrackExtra = new reco::TrackExtra();
     reco::TrackExtra theTrackExtra;
     
     //fill the TrackExtra with TrackingRecHitRef
     // unsigned int nHits = tracks->at(k).numberOfValidHits();
     const unsigned nHits = 3; // We are dealing with triplets!
     theTrackExtra.setHits( ohRHProd, cc, nHits);
     cc += nHits;
     
     trackExtras->push_back(theTrackExtra);
     //trackExtras->push_back(*theTrackExtra);
     //delete theTrackExtra;
   }
   
   edm::OrphanHandle<reco::TrackExtraCollection> ohTE = e.put(std::move(trackExtras));
   
   for (int k = 0; k < nTracks; k++) {
 
     const reco::TrackExtraRef theTrackExtraRef(ohTE,k);
     (tracks->at(k)).setExtra(theTrackExtraRef);
 
   }
   
   e.put(std::move(tracks));
 
 }