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00001 #ifndef RecoEGAMMA_ConversionTrack_ConversionTrackFinder_h
00002 #define RecoEGAMMA_ConversionTrack_ConversionTrackFinder_h
00003 
00013 #include "FWCore/ParameterSet/interface/ParameterSet.h"
00014 #include "FWCore/Framework/interface/EventSetup.h"
00015 #include "FWCore/Framework/interface/Event.h"
00016 #include "TrackingTools/PatternTools/interface/TrajectoryMeasurement.h"
00017 #include "TrackingTools/PatternTools/interface/Trajectory.h"
00018 //
00019 #include "DataFormats/TrajectorySeed/interface/TrajectorySeedCollection.h"
00020 #include "DataFormats/TrackCandidate/interface/TrackCandidateCollection.h"
00021 //
00022 #include "RecoEgamma/EgammaPhotonAlgos/interface/ConversionSeedFinder.h"
00023 
00024 #include "RecoTracker/MeasurementDet/interface/MeasurementTracker.h"
00025 #include "TrackingTools/PatternTools/interface/TrajectoryBuilder.h"
00026 
00027 // C/C++ headers
00028 #include <string>
00029 #include <vector>
00030 
00031 class TransientInitialStateEstimator;
00032 class ConversionTrackFinder {
00033 
00034  public:
00035   
00036   ConversionTrackFinder( const edm::EventSetup& es,
00037                          const edm::ParameterSet& config );
00038                        
00039   
00040   virtual ~ConversionTrackFinder();
00041  
00042   
00043   virtual std::vector<Trajectory> tracks(const TrajectorySeedCollection seeds , TrackCandidateCollection &candidate) const =0;
00044 
00046   void setEventSetup( const edm::EventSetup& es ) ; 
00047   void setEvent(const  edm::Event& e ) ; 
00048 
00049 
00050  private:
00051 
00052    
00053 
00054 
00055 
00056  protected: 
00057   
00058   edm::ParameterSet conf_;
00059   const MagneticField* theMF_;
00060   
00061   const MeasurementTracker*     theMeasurementTracker_;
00062   const TrajectoryBuilder*  theCkfTrajectoryBuilder_;
00063 
00064   TransientInitialStateEstimator* theInitialState_;  
00065   const TrackerGeometry* theTrackerGeom_;
00066   KFUpdator*                          theUpdator_;
00067 
00068   edm::ESHandle<Propagator> thePropagator_;
00069 
00070   bool useSplitHits_;
00071 
00072 struct ExtractNumOfHits {
00073   typedef int result_type;
00074   result_type operator()(const Trajectory& t) const {return t.foundHits();}
00075   result_type operator()(const Trajectory* t) const {return t->foundHits();}
00076 };
00077 
00078 
00079 struct ExtractChi2 {
00080   typedef float result_type;
00081   result_type operator()(const Trajectory& t) const {return t.chiSquared();}
00082   result_type operator()(const Trajectory* t) const {return t->chiSquared();}
00083 };
00084 
00085 
00086  
00087 
00088 };
00089 
00090 #endif