BmnATestHit.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
 
    BmnATestHit class header only implementation
    For use in alignment algorithm test
*/
 
#ifndef BMNATESTHIT_H
#define BMNATESTHIT_H
 
#include "BmnATestDetectorPlane.h"
#include "BmnHitRecord.h"
#include "TPolyMarker3D.h"
 
class BmnATestHit : public BmnHitRecord
{
  public:
    BmnATestHit(const CbmStsHit* pHit, const BmnDetectorModel& detModel)
        : BmnHitRecord(pHit, detModel) {};
    BmnATestHit(Double_t x, Double_t y, Double_t z, Double_t dx, Double_t dy, const BmnATestDetectorPlane* pDetector)
        : BmnHitRecord(x, y, z, dx, dy, pDetector->GetDetectorID())
        , fpDetector(pDetector) {};
    void Draw() const;   // ROOT macro mode only
    const BmnATestDetectorPlane* GetDetector() const noexcept { return fpDetector; };
 
  private:
    const BmnATestDetectorPlane* fpDetector{nullptr};
};
 
// visualization works in ROOT macro mode only
inline void BmnATestHit::Draw() const
{
    SVect3 dot{GetX(), GetY(), 0.0};
    dot = fpDetector->GetCrdRotation() * dot + fpDetector->GetCrdShift();
    // note: x and z axis are swapped
    Double_t tmp;
    tmp = dot[0];
    dot[0] = dot[2];
    dot[2] = tmp;
    auto* mrk = new TPolyMarker3D(1, dot.Array(), 2);
    mrk->SetMarkerColor(BMN_TEST_HIT_COLOR);
    mrk->Draw();
 
    dot(0) = GetZ();
    dot(1) = GetY();
    dot(2) = GetX();
    mrk = new TPolyMarker3D(1, dot.Array(), 4);
    mrk->SetMarkerColor(BMN_TEST_HIT_COLOR);
    mrk->Draw();
}
 
#endif   // BMNATESTHIT_H