FPGATrackSimSpacePointsTool.h

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/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef FPGATrackSimSPACEPOINTSTOOL_H
#define FPGATrackSimSPACEPOINTSTOOL_H
 
 
#include "AthenaBaseComps/AthAlgTool.h"
#include "FPGATrackSimObjects/FPGATrackSimCluster.h"
#include "FPGATrackSimObjects/FPGATrackSimHit.h"
#include "FPGATrackSimMaps/FPGATrackSimSpacePointsToolI.h"
 
#include <vector>
#include <map>
 
class TH1I;
 
class FPGATrackSimSpacePointsTool : public extends<AthAlgTool, FPGATrackSimSpacePointsToolI> {
 public:
    using base_class::base_class;
 
    virtual StatusCode initialize() override;
    virtual StatusCode finalize() override;
 
    virtual StatusCode DoSpacePoints(FPGATrackSimLogicalEventInputHeader &, std::vector<FPGATrackSimCluster> &) override;
 
 private:
    StatusCode fillMaps(std::vector<FPGATrackSimHit>& hits);
    StatusCode makeSpacePoints(FPGATrackSimTowerInputHeader &tower, std::vector<FPGATrackSimCluster> &spacepoints);
    void calcPosition(FPGATrackSimHit &hit_in, FPGATrackSimHit &hit_out, float &x, float &y, float &z);
    bool searchForMatch(FPGATrackSimHit& hit_in,std::vector<FPGATrackSimHit>& hits_outer,FPGATrackSimTowerInputHeader &tower, std::vector<FPGATrackSimCluster> &spacepoints);
    void addSpacePoints(FPGATrackSimHit  hit_in, FPGATrackSimHit  hit_out ,FPGATrackSimTowerInputHeader &tower, std::vector<FPGATrackSimCluster> &spacepoints);
    void reduceGlobalCoordPrecision(FPGATrackSimHit &hit) const;
 
    //----------------------
    // Working Memory
    std::map<std::vector<int>,std::pair<std::vector<FPGATrackSimHit>,std::vector<FPGATrackSimHit>>> m_map;
    std::vector<FPGATrackSimHit> m_pixel;
 
    Gaudi::Property<float> m_phiwindow { this, "PhiWindow", 0.008, "Distance in phi to consider two hits for making a space-point" };
    Gaudi::Property<bool> m_duplicate { this, "Duplication", false, "Duplicate spacepoints to layer on the other side of the stave" };
    Gaudi::Property<bool> m_filter { this, "Filtering", false, "Filter out incomplete spacepoints" };
    Gaudi::Property<bool> m_filterClose { this, "FilteringClosePoints", false, "Filter out single hits cloes to spacepoints" };
    Gaudi::Property<bool> m_sameModulesOnly { this, "SameModulesOnly", false, "Only use hits on the same physical (eta) module" };
    Gaudi::Property<bool> m_boundsCheck { this, "BoundsCheck", false, "Perform a module bounds check in the endcaps" };
    Gaudi::Property<bool> m_reduceCoordPrecision {this, "ReduceCoordPrecision", false, "flag to enable reduc ing the precision of global coordinates" };
    Gaudi::Property<float> m_coordRPrecision {this, "CoordRPrecision", 1./64., "fixed point precision of r coordinate" };
    Gaudi::Property<float> m_coordPhiPrecision {this, "CoordPhiPrecision", 1./8192., "fixed point precision of phi coordinate" };
    Gaudi::Property<float> m_coordZPrecision {this, "CoordZPrecision", 1./32., "fixed point precision of z coordinate" };
 
    // self monitoring
    unsigned m_inputhits = 0;
    unsigned m_spacepts = 0;
    unsigned m_filteredhits = 0;
    unsigned m_adjacent_eta_sp = 0;
    unsigned m_adjacent_phi_sp = 0;
    unsigned m_diagonal_sp = 0;
    TH1I*    m_spacepts_per_hit = nullptr;
 
};
 
#endif // FPGATrackSimSPACEPOINTSTOOL_H