ALFA_MDMultiple.h

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef ALFA_MDMULTIPLE_H
#define ALFA_MDMULTIPLE_H
 
#include <iostream>
#include <vector>
#include <map>
#include <algorithm>
 
#include "AthenaBaseComps/AthMessaging.h"
 
#include "GaudiKernel/StatusCode.h"
 
#include "Rtypes.h"
#include "TMath.h"
#include "TH1.h"
#include "TH2.h"
 
#include "ALFA_LocRec/ALFA_UserObjects.h"
#include "ALFA_Geometry/ALFA_constants.h"
 
#define MAXTRACKNUM 10
 
class ALFA_MDMultiple : public AthMessaging
{
    public:
        ALFA_MDMultiple();
        ALFA_MDMultiple(const ALFA_MDMultiple &obj) = delete;
        ALFA_MDMultiple& operator=(const ALFA_MDMultiple &obj) = delete;
        ~ALFA_MDMultiple() = default;
 
    private:
        Int_t m_iRPot;
        Int_t m_iUVCut;
        Int_t m_iMultiplicityCut;
        Int_t m_iNumLayerCut;
        Float_t m_fOverlapCut;
 
        //slope, offset and Z-pos for MD fibers [8][2*10][64]
        Float_t m_faMD[RPOTSCNT][ALFALAYERSCNT*ALFAPLATESCNT][ALFAFIBERSCNT];
        Float_t m_fbMD[RPOTSCNT][ALFALAYERSCNT*ALFAPLATESCNT][ALFAFIBERSCNT];
 
        //number of hits in the layer [2*10]
        Int_t m_iNumHitsLayer[ALFALAYERSCNT*ALFAPLATESCNT];
 
        std::vector<Float_t> m_fRecXPos, m_fRecYPos;
        std::vector<Float_t> m_fOvU, m_fOvV;
        std::vector<Int_t>   m_iNU, m_iNV;
        std::vector<Int_t>   m_iFibSel[ALFALAYERSCNT*ALFAPLATESCNT];
        std::vector<Int_t>   m_iTrackMatch[2];
 
    private:
        std::map<int, FIBERS> m_MapLayers;
 
    public:
        StatusCode Initialize(Int_t iRPot, Float_t faMD[RPOTSCNT][ALFALAYERSCNT*ALFAPLATESCNT][ALFAFIBERSCNT], Float_t fbMD[RPOTSCNT][ALFALAYERSCNT*ALFAPLATESCNT][ALFAFIBERSCNT], Int_t iMultiplicityCut, Int_t iNumLayerCut, Int_t iUVCut, Float_t fOverlapCut);
        StatusCode Execute(const std::list<MDHIT> &ListMDHits);
        StatusCode Finalize(Float_t (&fRecXPos)[MAXTRACKNUM], Float_t (&fRecYPos)[MAXTRACKNUM]);
 
        void GetData(Int_t (&iNumU)[MAXTRACKNUM], Int_t (&iNumV)[MAXTRACKNUM], Float_t (&fOvU)[MAXTRACKNUM], Float_t (&fOvV)[MAXTRACKNUM], Int_t (&iFibSel)[MAXTRACKNUM][ALFALAYERSCNT*ALFAPLATESCNT]);
 
    private:
        void Proj_Store(Int_t iFiberSide, std::span<Int_t> iOver, Float_t fbRef, Int_t iSideFlag);
  void Proj_Store(const std::vector<Int_t> (&FiberHit)[ALFAPLATESCNT], std::span<Int_t> iOver, Float_t fbRef, Int_t iSideFlag);
        void Find_Proj(const std::span<const Int_t>& iOver, Float_t fbRef, Float_t &fb, Float_t &fOv, Int_t &fNum);
        void Finding_Fib(Int_t iFiberSide, Float_t fbRef, Float_t fbRec, Int_t (&iFSel)[ALFAPLATESCNT], Int_t iSideFlag);
        void Reco_Track(std::vector<double> &b_p, std::vector<double> &b_n,
                        std::vector<double> &Ov_p, std::vector<double> &Ov_n,
                        std::vector<int> &Num_p, std::vector<int> &Num_n,
                        std::vector<int> (&FSel_n)[ALFAPLATESCNT], std::vector<int> (&FSel_p)[ALFAPLATESCNT],
                        std::vector<int> (&Track_match)[2]);
 
};
#endif // ALFA_MDMULTIPLE_H