EMECDetectorRegion.h

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef LARREADOUTGEOMETRY_EMECDETECTORREGION_H
#define LARREADOUTGEOMETRY_EMECDETECTORREGION_H
#include "GeoPrimitives/GeoPrimitives.h"
#include "LArReadoutGeometry/EMECCellConstLink.h"
#include "LArReadoutGeometry/EMECDetDescr.h"
#include "GeoModelKernel/GeoVDetectorElement.h"
#include "GeoModelKernel/GeoDefinitions.h"
#include "GaudiKernel/SystemOfUnits.h"
 
#include "CLHEP/Geometry/Point3D.h"

 
class GeoAlignmentStore;
 
class EMECDetectorRegion : public GeoVDetectorElement  
{
  
 public:
  typedef enum {NEG=0,POS=1}     DetectorSide;
  typedef enum {OUTER=0,INNER=1} RadialPos;
  
      
  EMECDetectorRegion(const GeoVFullPhysVol *physVol
             , const EMECDetDescr *emecDescriptor
             , DetectorSide endcap
             , double projectivityDisplacement = 4*Gaudi::Units::cm);

  ~EMECDetectorRegion();
      
  EMECCellConstLink getEMECCell (unsigned int ieta, unsigned int iphi) const;
      
  const EMECDetDescr * getDescriptor () const;
      
  unsigned int getSamplingIndex () const;
      
  unsigned int getRegionIndex () const;
      
  unsigned int getRadialIndex () const;
      
  unsigned int beginPhiIndex () const;
      
  unsigned int endPhiIndex () const;
      
  unsigned int beginEtaIndex () const;
      
  unsigned int endEtaIndex () const;
            
  HepGeom::Point3D<double> getRefPlanePos () const;

  HepGeom::Point3D<double> getFocalPointPos () const;
      
  const Amg::Transform3D&  getAbsoluteTransform (const GeoAlignmentStore* alignStore=nullptr) const;

  const Amg::Transform3D&  getDefAbsoluteTransform (const GeoAlignmentStore* alignStore=nullptr) const;

  Amg::Vector3D getRefPlanePosAmg () const;

  Amg::Vector3D getFocalPointPosAmg () const;
 
 
 

  EMECDetectorRegion::DetectorSide getEndcapIndex () const;
 
  double getProjectivityDisplacement() const;
 
 private:
    
  EMECDetectorRegion(const EMECDetectorRegion &right);
  EMECDetectorRegion & operator=(const EMECDetectorRegion &right);
  GeoIntrusivePtr<const EMECDetDescr> m_descriptor{};
  EMECDetectorRegion::DetectorSide m_endcapIndex;
  double m_projectivityDisplacement;
 
};
 
 
 
inline const EMECDetDescr * EMECDetectorRegion::getDescriptor () const
{
  
  return m_descriptor;
  
}
 
inline unsigned int EMECDetectorRegion::getSamplingIndex () const
{
  
  return m_descriptor->getSamplingIndex();
  
}
 
inline unsigned int EMECDetectorRegion::getRegionIndex () const
{
  
  return m_descriptor->getRegionIndex();
  
}
 
inline unsigned int EMECDetectorRegion::getRadialIndex () const
{
  
  return m_descriptor->getRadialIndex();
  
}
 
inline unsigned int EMECDetectorRegion::beginPhiIndex () const
{
  
  return m_descriptor->getPhiBinning().getFirstDivisionNumber();
  
}
 
inline unsigned int EMECDetectorRegion::endPhiIndex () const
{
  
  return m_descriptor->getPhiBinning().getFirstDivisionNumber() + m_descriptor->getPhiBinning().getNumDivisions();
  
}
 
inline unsigned int EMECDetectorRegion::beginEtaIndex () const
{
  
  return m_descriptor->getEtaBinning().getFirstDivisionNumber();
  
}
 
inline unsigned int EMECDetectorRegion::endEtaIndex () const
{
  
  return m_descriptor->getEtaBinning().getFirstDivisionNumber() + m_descriptor->getEtaBinning().getNumDivisions();
  
}
 
 
inline EMECDetectorRegion::DetectorSide EMECDetectorRegion::getEndcapIndex () const
{
  
  return m_endcapIndex;
  
}
 
inline double EMECDetectorRegion::getProjectivityDisplacement() const
{
  return m_projectivityDisplacement;
}
 
 
 
#endif