BmnHitRecord.h

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/*
    BM@N alignment routine
    BM@N experiment at NICA complex, JINR, 2025
 
    Department: Math & Soft Group of HEP lab
    Author:     Igor Polev, polev@jinr.ru
 
    BmnHitRecord header-only implementation
    Minimalistic structure for optimezed storage in RAM
*/
 
#ifndef BMNHITRECORD_H
#define BMNHITRECORD_H
 
#include "BmnAlignDefines.h"
#include "BmnDetectorModel.h"
#include "CbmStsHit.h"
 
#define BMN_TEST_HIT_COLOR kRed
 
class BmnHitRecord
{
  private:
    Double_t fX, fY, fZ, fWx, fWy;
    Int_t fDetectorID;
    constexpr static Double_t MAX_WEIGHT{1.0 / (BMN_CLOSE_TO_ZERO * BMN_CLOSE_TO_ZERO)};
 
  public:
    BmnHitRecord(const CbmStsHit* pHit, const BmnDetectorModel& detModel)
        : fX(pHit->GetX())
        , fY(pHit->GetY())
        , fZ(pHit->GetZ())
        , fWx((pHit->GetDx() < BMN_CLOSE_TO_ZERO) ? MAX_WEIGHT : 1.0 / (pHit->GetDx() * pHit->GetDx()))
        , fWy((pHit->GetDy() < BMN_CLOSE_TO_ZERO) ? MAX_WEIGHT : 1.0 / (pHit->GetDy() * pHit->GetDy()))
        , fDetectorID(detModel.IDfromHit(pHit->GetDetectorID())) {};
    BmnHitRecord(Double_t x, Double_t y, Double_t z, Double_t dx, Double_t dy, Int_t detectorId)
        : fX(x)
        , fY(y)
        , fZ(z)
        , fWx((dx < BMN_CLOSE_TO_ZERO) ? MAX_WEIGHT : 1.0 / (dx * dx))
        , fWy((dy < BMN_CLOSE_TO_ZERO) ? MAX_WEIGHT : 1.0 / (dy * dy))
        , fDetectorID(detectorId) {};
    Double_t GetX() const noexcept { return fX; }
    Double_t GetY() const noexcept { return fY; }
    Double_t GetZ() const noexcept { return fZ; }
    Double_t GetWx() const noexcept { return fWx; }
    Double_t GetWy() const noexcept { return fWy; }
    Int_t GetDetectorID() const noexcept { return fDetectorID; }
};
 
#endif   // BMNHITRECORD_H