ALFA_EdgeMethod.h

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/*
  Copyright (C) 2002-2022 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef ALFA_EDGEMETHOD_H
#define ALFA_EDGEMETHOD_H
 
#include <utility>
#include <vector>
 
#include "Rtypes.h"
 
#include "AthenaBaseComps/AthMessaging.h"
 
#include "ALFA_LocRec/ALFA_UserObjects.h"
#include "ALFA_Geometry/ALFA_constants.h"
 
 
class ALFA_EdgeMethod : public AthMessaging
{
public:
    ALFA_EdgeMethod();
    ALFA_EdgeMethod(Bool_t bOpt_Sisters, Bool_t bOpt_UseGaps);
    ~ALFA_EdgeMethod();
 
    void Initialize(Int_t iRPot, Float_t faMD[RPOTSCNT][ALFALAYERSCNT*ALFAPLATESCNT][ALFAFIBERSCNT], Float_t fbMD[RPOTSCNT][ALFALAYERSCNT*ALFAPLATESCNT][ALFAFIBERSCNT], const std::list<MDHIT> &ListMDHits);
 
 
    // Typedef for Edge, Corridor and Track
    typedef std::pair< std::pair< Float_t, Bool_t >, Bool_t > Edge;                                 // typedef for fibers edges: <edge position, fiber side>            (left edge -> kTRUE; right edge -> kFALSE)
    typedef std::pair< std::pair< Float_t, Float_t >, UInt_t > Corridor;            // typedef for corridors:    <<position, width>, numbers of hits>
    typedef std::pair< Corridor, Corridor > Track;                             // typedef for tracks:       <corridors in u, corridors in v>
 
 
//  void SetOptions(TString options = "");
 
private:
    // Sorting function:
    // - sort edges according to positions
    static Bool_t functionSortEdges( Edge edg1, Edge edg2 );
    // - sort corridors according to number of hits, if equal: according to corridor width (used in first iteration)
    static Bool_t functionSortCorrsOne( Corridor corr1, Corridor corr2 );
    // - sort tracks according to number of hits
    static Bool_t functionSortTracks( Track track1, Track track2 );
 
    // Find all edges of hit fibers and put them in vector &edges
    void findEdges(UInt_t no_Detector, UInt_t no_Orient, std::vector< Edge > &edges);
    // Find all possible corridors from finded &edges and put them in vector &corridors
    void findCorridors(std::vector< Edge > &edges, std::vector< Corridor > &corridors);
 
    // Test if corridors can merge into one track
    Bool_t testTrack(/*Corridor corr_U, Corridor corr_V*/);
 
 
    // First iteration
    // Look for corridors (in one orientation) and choose the best 5 using sorting @functionSortCorrsOne
    Bool_t iterOne(UInt_t no_Detector, UInt_t no_Orient, std::vector< Corridor > &corridors );
    // Execute @iterOne for both orientation, merge coridors in tracks, test them and choose the best 10 tracks
    Bool_t iterationOne(UInt_t no_Detector, std::vector<Track> &tracks );
 
    // Second and third iteration
    // Look for corridors (in one orientation) and choose the closest to previous using sorting @functionSortCorrsNext
    Bool_t iterNext(UInt_t no_Detector, UInt_t no_Orient, Float_t pos, Int_t level, Corridor &corr);
    // Execute @iterNext for both orientation, merge coridors in tracks and test them
    Bool_t iterationNext(UInt_t no_Detector, std::vector<Track> &tracks );
 
 
public:
    // Local reconstruction: execute @iterationOne, and twice @iterationNext
    // Reconstruct the tracks and storage them in &tracks
    Bool_t EdgeMethod(UInt_t no_Detector, std::vector<Track> &tracks);
 
 
    // Additional function:
    // - fill table Fib_SelMD (select the fibers with contain both coridors edge, not only positions)
    void selectedFibers(UInt_t no_Detector, Track &track, Int_t * selectedFib);
 
 
private:
    void readUVONE(Int_t no_Detector, Double_t u_pos = 91.0, Double_t v_pos = -91.0);
 
    Float_t m_faMD[RPOTSCNT][ALFALAYERSCNT*ALFAPLATESCNT][ALFAFIBERSCNT];  //slope, offset and Z-pos for MD fibers [2*10][64]
    Float_t m_fbMD[RPOTSCNT][ALFALAYERSCNT*ALFAPLATESCNT][ALFAFIBERSCNT];
    Bool_t m_bFiberHitsMD[RPOTSCNT][ALFALAYERSCNT*ALFAPLATESCNT][ALFAFIBERSCNT];
    Int_t m_iMultiMD[RPOTSCNT][ALFALAYERSCNT*ALFAPLATESCNT];
    //Geometry in u&v
    Double_t m_uv_geo[RPOTSCNT][ALFALAYERSCNT*ALFAPLATESCNT][ALFAFIBERSCNT];
 
    Bool_t m_bOpt_Sisters;
    Bool_t m_bOpt_UseGaps;
 
};
 
class CSortCorrsNext
{
private:
    Float_t m_fPosTr;
public:
    CSortCorrsNext(const Float_t fPosTr);
    bool operator()( ALFA_EdgeMethod::Corridor corr1, ALFA_EdgeMethod::Corridor corr2 ) const;
};
 
#endif // ALFA_EDGEMETHOD_H