cms::CosmicTrackFinder Class Reference

#include <CosmicTrackFinder.h>

Inheritance diagram for cms::CosmicTrackFinder:

Public Member Functions
	CosmicTrackFinder (const edm::ParameterSet &conf)
virtual void	produce (edm::Event &e, const edm::EventSetup &c)
virtual	~CosmicTrackFinder ()
Public Member Functions inherited from edm::EDProducer
	EDProducer ()
virtual	~EDProducer ()
Public Member Functions inherited from edm::ProducerBase
	ProducerBase ()
void	registerProducts (ProducerBase *, ProductRegistry *, ModuleDescription const &)
boost::function< void(const BranchDescription &)>	registrationCallback () const
	used by the fwk to register list of products More...
virtual	~ProducerBase ()

Private Types
typedef TrajectoryStateOnSurface	TSOS

Private Attributes
edm::ParameterSet	conf_
CosmicTrajectoryBuilder	cosmicTrajectoryBuilder_
CRackTrajectoryBuilder	crackTrajectoryBuilder_
std::string	geometry
bool	trinevents
bool	useHitsSplitting_

Additional Inherited Members
Public Types inherited from edm::EDProducer
typedef EDProducer	ModuleType
typedef WorkerT< EDProducer >	WorkerType
Public Types inherited from edm::ProducerBase
typedef ProductRegistryHelper::TypeLabelList	TypeLabelList
Static Public Member Functions inherited from edm::EDProducer
static const std::string &	baseType ()
static void	fillDescriptions (ConfigurationDescriptions &descriptions)
static void	prevalidate (ConfigurationDescriptions &descriptions)
Protected Member Functions inherited from edm::EDProducer
CurrentProcessingContext const *	currentContext () const
Protected Member Functions inherited from edm::ProducerBase
template<class TProducer , class TMethod >
void	callWhenNewProductsRegistered (TProducer *iProd, TMethod iMethod)

Detailed Description

Definition at line 68 of file CosmicTrackFinder.h.

Member Typedef Documentation

typedef TrajectoryStateOnSurface cms::CosmicTrackFinder::TSOS

private

Definition at line 71 of file CosmicTrackFinder.h.

Constructor & Destructor Documentation

cms::CosmicTrackFinder::CosmicTrackFinder ( const edm::ParameterSet &  conf )

explicit

Definition at line 28 of file CosmicTrackFinder.cc.

References conf_, geometry, edm::ParameterSet::getParameter(), edm::ParameterSet::getUntrackedParameter(), and useHitsSplitting_.

                                                                  : 
    cosmicTrajectoryBuilder_(conf) ,
    crackTrajectoryBuilder_(conf) ,
    conf_(conf)
  {
    geometry=conf_.getUntrackedParameter<std::string>("GeometricStructure","STANDARD");
    useHitsSplitting_=conf.getParameter<bool>("useHitsSplitting");
    produces<TrackCandidateCollection>();
  }

cms::CosmicTrackFinder::~CosmicTrackFinder ( )

virtual

Definition at line 40 of file CosmicTrackFinder.cc.

{ }  

Member Function Documentation

void cms::CosmicTrackFinder::produce ( edm::Event &  e, const edm::EventSetup &  c  )

virtual

Implements edm::EDProducer.

Definition at line 43 of file CosmicTrackFinder.cc.

References alongMomentum, funct::C, conf_, cosmicTrajectoryBuilder_, crackTrajectoryBuilder_, edm::OwnVector< T, P >::front(), TrackingRecHit::geographicalId(), geometry, edm::EventSetup::get(), edm::Event::getByLabel(), edm::ParameterSet::getParameter(), TrajectoryStateOnSurface::isValid(), TrajectoryStateOnSurface::localParameters(), LogDebug, TrajectoryStateOnSurface::magneticField(), convertSQLitetoXML_cfg::output, trajectoryStateTransform::persistentState(), edm::Handle< T >::product(), edm::OwnVector< T, P >::push_back(), edm::Event::put(), DetId::rawId(), edm::OwnVector< T, P >::reserve(), CosmicTrajectoryBuilder::run(), CRackTrajectoryBuilder::run(), evf::utils::state, TrajectoryStateOnSurface::surface(), patCandidatesForDimuonsSequences_cff::tracker, and useHitsSplitting_.

  {
    using namespace std  ;
    edm::InputTag matchedrecHitsTag = conf_.getParameter<edm::InputTag>("matchedRecHits");
    edm::InputTag rphirecHitsTag = conf_.getParameter<edm::InputTag>("rphirecHits");
    edm::InputTag stereorecHitsTag = conf_.getParameter<edm::InputTag>("stereorecHits");
    edm::InputTag pixelRecHitsTag = conf_.getParameter<edm::InputTag>("pixelRecHits");  


    edm::InputTag seedTag = conf_.getParameter<edm::InputTag>("cosmicSeeds");
    // retrieve seeds
    edm::Handle<TrajectorySeedCollection> seed;
    e.getByLabel(seedTag,seed);  

  //retrieve PixelRecHits
    static const SiPixelRecHitCollection s_empty;
    const SiPixelRecHitCollection *pixelHitCollection = &s_empty;
    edm::Handle<SiPixelRecHitCollection> pixelHits;
    if (geometry!="MTCC" && (geometry!="CRACK" )) {
      if( e.getByLabel(pixelRecHitsTag, pixelHits)) {
    pixelHitCollection = pixelHits.product();
      } else {
    edm::LogWarning("CosmicTrackFinder") << "Collection SiPixelRecHitCollection with InputTag " << pixelRecHitsTag << " cannot be found, using empty collection of same type.";
      }
    }
    
   


 //retrieve StripRecHits
    edm::Handle<SiStripMatchedRecHit2DCollection> matchedrecHits;
    e.getByLabel( matchedrecHitsTag ,matchedrecHits);
    edm::Handle<SiStripRecHit2DCollection> rphirecHits;
    e.getByLabel( rphirecHitsTag ,rphirecHits);
    edm::Handle<SiStripRecHit2DCollection> stereorecHits;
    e.getByLabel( stereorecHitsTag, stereorecHits);

    // Step B: create empty output collection
    std::auto_ptr<TrackCandidateCollection> output(new TrackCandidateCollection);

    edm::ESHandle<TrackerGeometry> tracker;
    es.get<TrackerDigiGeometryRecord>().get(tracker);
    edm::LogVerbatim("CosmicTrackFinder") << "========== Cosmic Track Finder Info ==========";
    edm::LogVerbatim("CosmicTrackFinder") << " Numbers of Seeds " << (*seed).size();
    if((*seed).size()>0){

      std::vector<Trajectory> trajoutput;
      
      if(geometry!="CRACK" ) {
        cosmicTrajectoryBuilder_.run(*seed,
                                   *stereorecHits,
                                   *rphirecHits,
                                   *matchedrecHits,
                   *pixelHitCollection,
                                   es,
                                   e,
                                   trajoutput);
      } else {
        crackTrajectoryBuilder_.run(*seed,
                                   *stereorecHits,
                                   *rphirecHits,
                                   *matchedrecHits,
                   *pixelHitCollection,
                                   es,
                                   e,
                                   trajoutput);
      }

      edm::LogVerbatim("CosmicTrackFinder") << " Numbers of Temp Trajectories " << trajoutput.size();
      edm::LogVerbatim("CosmicTrackFinder") << "========== END Info ==========";
      if(trajoutput.size()>0){
    std::vector<Trajectory*> tmpTraj;
    std::vector<Trajectory>::iterator itr;
    for (itr=trajoutput.begin();itr!=trajoutput.end();itr++)tmpTraj.push_back(&(*itr));

    //The best track is selected
    //FOR MTCC the criteria are:
    //1)# of layers,2) # of Hits,3)Chi2
    if (geometry=="MTCC")  stable_sort(tmpTraj.begin(),tmpTraj.end(),CompareTrajLay());
    else  stable_sort(tmpTraj.begin(),tmpTraj.end(),CompareTrajChi());



    const Trajectory  theTraj = *(*tmpTraj.begin());
    bool seedplus=(theTraj.seed().direction()==alongMomentum);
    //PropagationDirection seedDir =theTraj.seed().direction();

    if (seedplus)
      LogDebug("CosmicTrackFinder")<<"Reconstruction along momentum ";
    else
      LogDebug("CosmicTrackFinder")<<"Reconstruction opposite to momentum";

    /*
    // === the convention is to save always final tracks with hits sorted *along* momentum  
    */

    Trajectory::RecHitContainer thits;
    //it->recHitsV(thits);
        theTraj.recHitsV(thits,useHitsSplitting_);
    edm::OwnVector<TrackingRecHit> recHits;
    recHits.reserve(thits.size());

    // reverse hit order
    for (Trajectory::RecHitContainer::const_iterator hitIt = thits.end()-1;
         hitIt >= thits.begin(); hitIt--) {
      recHits.push_back( (**hitIt).hit()->clone());
    }

    TSOS firstState;
    unsigned int firstId;

    firstState=theTraj.lastMeasurement().updatedState();
    firstId = theTraj.lastMeasurement().recHit()->geographicalId().rawId();

    /*
    cout << "firstState y, z: " << firstState.globalPosition().y() 
         << " , " << firstState.globalPosition().z() <<  endl;

    */

    AlgebraicSymMatrix55 C = AlgebraicMatrixID();
    TSOS startingState( firstState.localParameters(), LocalTrajectoryError(C),
                firstState.surface(),
                firstState.magneticField() );

    // protection againt invalid initial states
    if (! firstState.isValid()) {
      edm::LogWarning("CosmicTrackFinder") << "invalid innerState, will not make TrackCandidate";
      edm::OrphanHandle<TrackCandidateCollection> rTrackCand = e.put(output);  
      return;
    }

    if(firstId != recHits.front().geographicalId().rawId()){
      edm::LogWarning("CosmicTrackFinder") <<"Mismatch in DetID of first hit: firstID= " <<firstId
                           << "   DetId= " << recHits.front().geographicalId().rawId();
      edm::OrphanHandle<TrackCandidateCollection> rTrackCand = e.put(output);  
      return;
    }

    PTrajectoryStateOnDet const &  state = trajectoryStateTransform::persistentState( startingState, firstId);
    
    
    output->push_back(TrackCandidate(recHits,theTraj.seed(),state,theTraj.seedRef() ) );
    
      }

    }
    edm::OrphanHandle<TrackCandidateCollection> rTrackCand = e.put(output);  
  }

Member Data Documentation

edm::ParameterSet cms::CosmicTrackFinder::conf_

private

Definition at line 83 of file CosmicTrackFinder.h.

Referenced by CosmicTrackFinder(), and produce().

CosmicTrajectoryBuilder cms::CosmicTrackFinder::cosmicTrajectoryBuilder_

private

Definition at line 81 of file CosmicTrackFinder.h.

Referenced by produce().

CRackTrajectoryBuilder cms::CosmicTrackFinder::crackTrajectoryBuilder_

private

Definition at line 82 of file CosmicTrackFinder.h.

Referenced by produce().

std::string cms::CosmicTrackFinder::geometry

private

Definition at line 84 of file CosmicTrackFinder.h.

Referenced by CosmicTrackFinder(), Vispa.Gui.ConnectableWidget.ConnectableWidget::leaveEvent(), and produce().

bool cms::CosmicTrackFinder::trinevents

private

Definition at line 85 of file CosmicTrackFinder.h.

bool cms::CosmicTrackFinder::useHitsSplitting_

private

Definition at line 86 of file CosmicTrackFinder.h.

Referenced by CosmicTrackFinder(), and produce().