KalFitAlg.h

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//------------------------------------------------------------------------
// Description : 
// Main file of the module KalFit in charge of :
// 1/ Refit of the Mdc tracks using Kalman filter
// 2/ Backward filter (smoothing)
// 3/ and also several mass hypothesis, Non unif mag field treatment...
//
//------------------------------------------------------------------------
 
#ifndef _DEFINE_KALFITALG_H_
#define _DEFINE_KALFITALG_H_
#ifndef DBL_MAX
#define DBL_MAX 9999
#endif
 
class KalFitTrack;
class KalFitHitMdc;
class KalFitHelixSeg;
class Bfield;
//class Helix;
 
#include "GaudiKernel/Algorithm.h"
#include "MdcCalibFunSvc/IMdcCalibFunSvc.h"
#include "MdcCalibFunSvc/MdcCalibFunSvc.h"
#include "GaudiKernel/IMagneticFieldSvc.h"
#include "MagneticField/MagneticFieldSvc.h"
#include "KalFitAlg/KalFitWire.h"
#include "KalFitAlg/KalFitHelixSeg.h"
#include "KalFitAlg/KalFitCylinder.h"
#include "KalFitAlg/KalFitLayer_Mdc.h"
#include "KalFitAlg/KalFitSuper_Mdc.h"
#include "KalFitAlg/KalFitMaterial.h"
#include "MdcTables/MdcTables.h"
#include "GaudiKernel/NTuple.h"
#include "AIDA/IHistogram1D.h" 
#include "AIDA/IHistogramFactory.h" 
#include "GaudiKernel/IHistogramSvc.h"
#include "MdcRecEvent/RecMdcKalTrack.h"
#include "MdcRecEvent/RecMdcKalHelixSeg.h"
#include "HepPDT/ParticleDataTable.hh"
#include <vector>
//added header files for 6.0.0 
#include "CLHEP/Matrix/Vector.h"
#include "CLHEP/Matrix/Matrix.h"
#include "CLHEP/Matrix/SymMatrix.h"
#include "CLHEP/Vector/ThreeVector.h"
#include "G4Material.hh"
#include "G4Tubs.hh"
 
#ifndef ENABLE_BACKWARDS_COMPATIBILITY
typedef HepGeom::Point3D <double > HepPoint3D;
#endif
 
using namespace std;
using namespace CLHEP;
 
 
class KalFitAlg : public Algorithm {
 
    public:
        /**@name Main member functions*/
        //@{ 
        /// constructor
        KalFitAlg(const std::string& name, ISvcLocator* pSvcLocator);
        /// destructor
        ~KalFitAlg(void);
        /// initialize
        StatusCode initialize();
        /// event function
        StatusCode execute();
        StatusCode finalize();  
        StatusCode beginRun();
        /// hist definition
        void hist_def ( void );
        /// delete C++ objects, necessary to clean before begin_run or inside
        /// destructor
        void clean(void);
        //@}
        /**@name Set up the description of the Mdc */
        //@{ 
        /// Set up the wires, layers and superlayers...
        void set_Mdc(void);
        /// Initialize the material for Mdc
        void setMaterial_Mdc(void);
        /// Initialize the cylinders (walls and cathodes) for Mdc
        void setCylinder_Mdc(void);
        ///
        void setDchisqCut(void);
        /// initialize for the services
        void setCalibSvc_init(void);
        void setGeomSvc_init(void);
        void setMagneticFieldSvc_init(void);
        ///
        void getEventStarTime(void);
 
        /**@name Kalman filter method related member functions*/
        //@{
        /// Kalman filter (forward) in Mdc
        void filter_fwd_anal(KalFitTrack& trk, int l_mass, int way, HepSymMatrix& Eakal);
        void filter_fwd_calib(KalFitTrack& trk, int l_mass, int way, HepSymMatrix& Eakal);
 
        void init_matrix(MdcRec_trk& trk, HepSymMatrix& Ea);
        void init_matrix(int k, MdcRec_trk& trk, HepSymMatrix& Ea);
 
        void start_seed(KalFitTrack& track, int lead_, int way, MdcRec_trk& trk);
 
        /// Kalman filter (smoothing or backward part)
        void smoother_anal(KalFitTrack& trk, int way);
        void smoother_calib(KalFitTrack& trk, int way);
 
        /// Take the inner walls (eloss and mult scat) into account
        void innerwall(KalFitTrack& trk, int l_mass, int way);     
        //@{
        /// with results got at the inner Mdc hit 
        void fillTds(MdcRec_trk& TrasanTRK, KalFitTrack& track, 
                RecMdcKalTrack* trk,int l_mass);
        void fillTds_lead(MdcRec_trk& TrasanTRK, KalFitTrack& track, 
                RecMdcKalTrack* trk, int l_mass);
        ///  with results got at the outer Mdc hit
        void fillTds_back(KalFitTrack& track, RecMdcKalTrack* trk,
                MdcRec_trk& TrasanTRK,int l_mass );
 
        void fillTds_back(KalFitTrack& track, RecMdcKalTrack* trk, 
                MdcRec_trk& TrasanTRK,int l_mass,RecMdcKalHelixSegCol*  segcol);
 
        ///for smoother process
        void fillTds_back(KalFitTrack& track, RecMdcKalTrack* trk, 
                MdcRec_trk& TrasanTRK,int l_mass,RecMdcKalHelixSegCol*  segcol, int smoothflag);
        ///  with results got at (0,0,0) 
        void fillTds_ip(MdcRec_trk& TrasanTRK, KalFitTrack& track, 
                RecMdcKalTrack* trk, int l_mass);
 
        /// complete the RecMdcKalTrackCol
        void sameas(RecMdcKalTrack* trk, int l_mass, int imain);
 
        void complete_track(MdcRec_trk& TrasanTRK,
                MdcRec_trk_add& TrasanTRK_add,
                KalFitTrack& track_lead,
                RecMdcKalTrack*  kaltrk,
                RecMdcKalTrackCol* kalcol,RecMdcKalHelixSegCol* segcol,int flagsmooth);
 
        void complete_track(MdcRec_trk& TrasanTRK, 
                MdcRec_trk_add& TrasanTRK_add, 
                KalFitTrack& track_lead,
                RecMdcKalTrack*  kaltrk,
                RecMdcKalTrackCol* kalcol,RecMdcKalHelixSegCol* segcol);
 
        // Careful refit
        void kalman_fitting_anal(void);
        void kalman_fitting_calib(void);
        void kalman_fitting_csmalign(void);
        void kalman_fitting_MdcxReco_Csmc_Sew(void);
 
        // clear tables by wangdy
        void clearTables( ); 
 
        ///
        int getWallMdcNumber(const HepPoint3D& point);
 
        ///
        void extToAnyPoint(KalFitTrack& trk, const HepPoint3D& point);
 
        ///
        void setBesFromGdml(void);
 
        /// this usage is used to control the usage of this algorithm ,to be 
        /// analysis  or calibration. 
        int usage_;
        ///
        int choice_;
        //// flag to calculate path length in each Mdc laye :
        int pathl_;
        /// flag to take account the wire sag into account
        int wsag_;
        /// flag to perform smoothing
        int back_; 
 
        int eventno;
 
        int Tds_back_no;
        /// value of the pT cut for backward filter
        double pT_;
        /// leading mass assumption 
        int lead_;
        ///
        int mhyp_;
        /// value of the momentum cut to decide refit 
        double pe_cut_, pmu_cut_, ppi_cut_, pk_cut_, pp_cut_;
        double pt_cut_,theta_cut_;
 
 
        /// Flag account to multiple scattering and energy loss,
        /// where lr flag from and whether use active hits only  
        int muls_, loss_, lr_, activeonly_, tofflag_, tof_hyp_;
        /// flag to enhance the error matrix at the inner hit of Mdc (cosmic)
        int enhance_;
        double fac_h1_, fac_h2_, fac_h3_, fac_h4_, fac_h5_, matrixg_;
        ///
        double  gain1_,gain2_,gain3_,gain4_,gain5_;
        int steplev_;
        int numfcor_;
        int numf_;
        int inner_steps_;
        int outer_steps_;
        int numf_in_;
        int numf_out_;
        int fitnocut_;
        ///
        int drifttime_choice_;
        /// mass assumption for backward filter (if <0 means use leading mass)
        int i_back_;
        int i_front_;
        /// Debug flag for the track finder part 
        int debug_ , debug_kft_;
        /// Fill ntuples of KalFit
        int ntuple_;
        // dir of files
        string matfile_, cylfile_;
        //cut for delta_chi2 
        double dchi2cutf_, dchi2cuts_;
 
        double  dchi2cut_mid1_,dchi2cut_mid2_,dchi2cut_inner_, dchi2cut_outer_,dchi2cut_layid2_,dchi2cut_layid3_;
 
        /// factor of energy loss straggling for electron
        double fstrag_;
        //wire resoltion flag
        int resolution_;
        int iqual_front_[5],iqual_back_;
 
        /// propagation correction
        int tprop_;
        int eventNo;
        int m_usevtxdb; 
        int m_csmflag;    //cosmic events flag; for cosmic events tof(y>0) should be minus
        double m_dangcut, m_dphicut;  //for cosmic events cut
 
    private:
        std::vector<KalFitCylinder> _BesKalmanFitWalls;
        std::vector<KalFitMaterial> _BesKalmanFitMaterials;
        //std::vector<G4Tubs>         _BesKalmanFitTubs;
        
        // --- statistics
        int nTotalTrks;
        int nFailedTrks[5];
 
 
        KalFitWire * _wire;
        KalFitLayer_Mdc * _layer;
        KalFitSuper_Mdc * _superLayer;
        HepPDT::ParticleDataTable* m_particleTable;
        static const double RIW;
 
        const MdcCalibFunSvc* m_mdcCalibFunSvc_;
        const IMagneticFieldSvc* m_MFSvc_;
        static IMdcGeomSvc* imdcGeomSvc_;
 
        //sort the rec hits by layer
        static bool  order_rechits(const SmartRef<RecMdcHit>& m1, const SmartRef<RecMdcHit>& m2);
 
        //ntuples
        NTuple::Tuple* m_nt1;  // KalFit track params 
        NTuple::Tuple* m_nt2;  // KalFit 2-prong comparison
        NTuple::Tuple* m_nt3;  // PatRec track params
        NTuple::Tuple* m_nt4;  // PatRec 2-prong comparison
        NTuple::Tuple* m_nt5;  // for hit checking and cut
        NTuple::Tuple* m_nt6;  // for helix seg of calib
 
        //for nt1
        NTuple::Item<long>  m_trackid,m_evtid;
        NTuple::Item<double>  m_chi2direct,m_prob;
        NTuple::Matrix<double> m_ndf,m_chisq,m_stat;
        NTuple::Array<double> m_length,m_tof,m_nhits;
        NTuple::Item<double> m_zptot,m_zptote,m_zptotmu,m_zptotk,m_zptotp;
        NTuple::Item<double> m_zpt,m_zpte,m_zptmu,m_zptk,m_zptp;
        NTuple::Item<double> m_fptot,m_fptote,m_fptotmu,m_fptotk,m_fptotp;
        NTuple::Item<double> m_fpt,m_fpte,m_fptmu,m_fptk,m_fptp;
        NTuple::Item<double> m_lptot,m_lptote,m_lptotmu,m_lptotk,m_lptotp;
        NTuple::Item<double> m_lpt,m_lpte,m_lptmu,m_lptk,m_lptp; 
        NTuple::Item<double> m_zsigp,m_zsigpe,m_zsigpmu,m_zsigpk,m_zsigpp;
        NTuple::Array<double> m_zhelix,m_zhelixe,m_zhelixmu,m_zhelixk,m_zhelixp;
        NTuple::Array<double> m_fhelix,m_fhelixe,m_fhelixmu,m_fhelixk,m_fhelixp;
        NTuple::Array<double> m_lhelix,m_lhelixe,m_lhelixmu,m_lhelixk,m_lhelixp;
        NTuple::Array<double> m_zerror,m_zerrore,m_zerrormu,m_zerrork,m_zerrorp;
        NTuple::Array<double> m_ferror,m_ferrore,m_ferrormu,m_ferrork,m_ferrorp;
        NTuple::Array<double> m_lerror,m_lerrore,m_lerrormu,m_lerrork,m_lerrorp;
        //for nt1 single track MCTruth
        NTuple::Array<double> m_mchelix;   
        NTuple::Item<double> m_mcptot;   
        NTuple::Item<long> m_mcpid;   
        //for nt3
        NTuple::Array<double> m_trkhelix, m_trkerror;   
        NTuple::Item<double> m_trkndf, m_trkchisq, m_trkptot, m_trksigp;   
        //for nt2
        NTuple::Item<double> m_delx,m_dely,m_delz,m_delthe,m_delphi,m_delp;
        NTuple::Item<double> m_delpx,m_delpy,m_delpz;
 
        //for nt4
        NTuple::Item<double> m_trkdelx,m_trkdely,m_trkdelz;
        NTuple::Item<double> m_trkdelthe,m_trkdelphi,m_trkdelp;
        //for nt5
        NTuple::Item<double>  m_dchi2,m_orichi2,m_fitchi2,m_residest, m_residnew,m_anal_dr, m_anal_phi0, m_anal_kappa, m_anal_dz, m_anal_tanl, m_anal_ea_dr, m_anal_ea_phi0, m_anal_ea_kappa, m_anal_ea_dz, m_anal_ea_tanl;
        NTuple::Item<long> m_masshyp, m_layer; 
        //for nt6
        NTuple::Item<double> m_docaInc,m_docaExc, m_tdrift;
        NTuple::Item<long>  m_layerid,m_eventNo;
        NTuple::Item<double> m_residualInc, m_residualExc, m_lr, m_yposition, m_dd;
 
        NTuple::Item<double>  m_dchisq0,m_dchisq1,m_dchisq2,m_dchisq3,m_dchisq4,m_dchisq5,m_dchisq6,m_dchisq7,m_dchisq8,m_dchisq9,m_dchisq10,m_dchisq11,m_dchisq12,m_dchisq13,m_dchisq14,m_dchisq15,m_dchisq16,m_dchisq17,m_dchisq18,m_dchisq19,m_dchisq20,m_dchisq21,m_dchisq22,m_dchisq23,m_dchisq24,m_dchisq25,m_dchisq26,m_dchisq27,m_dchisq28,m_dchisq29,m_dchisq30,m_dchisq31,m_dchisq32,m_dchisq33,m_dchisq34,m_dchisq35,m_dchisq36,m_dchisq37,m_dchisq38,m_dchisq39,m_dchisq40,m_dchisq41,m_dchisq42;
        NTuple::Item<double>  m_dtrack0,m_dtrack1,m_dtrack2,m_dtrack3,m_dtrack4,m_dtrack5,m_dtrack6,m_dtrack7,m_dtrack8,m_dtrack9,m_dtrack10,m_dtrack11,m_dtrack12,m_dtrack13,m_dtrack14,m_dtrack15,m_dtrack16,m_dtrack17,m_dtrack18,m_dtrack19,m_dtrack20,m_dtrack21,m_dtrack22,m_dtrack23,m_dtrack24,m_dtrack25,m_dtrack26,m_dtrack27,m_dtrack28,m_dtrack29,m_dtrack30,m_dtrack31,m_dtrack32,m_dtrack33,m_dtrack34,m_dtrack35,m_dtrack36,m_dtrack37,m_dtrack38,m_dtrack39,m_dtrack40,m_dtrack41,m_dtrack42;
        NTuple::Item<double>  m_dtdc0,m_dtdc1,m_dtdc2,m_dtdc3,m_dtdc4,m_dtdc5,m_dtdc6,m_dtdc7,m_dtdc8,m_dtdc9,m_dtdc10,m_dtdc11,m_dtdc12,m_dtdc13,m_dtdc14,m_dtdc15,m_dtdc16,m_dtdc17,m_dtdc18,m_dtdc19,m_dtdc20,m_dtdc21,m_dtdc22,m_dtdc23,m_dtdc24,m_dtdc25,m_dtdc26,m_dtdc27,m_dtdc28,m_dtdc29,m_dtdc30,m_dtdc31,m_dtdc32,m_dtdc33,m_dtdc34,m_dtdc35,m_dtdc36,m_dtdc37,m_dtdc38,m_dtdc39,m_dtdc40,m_dtdc41,m_dtdc42;
 
};
#endif