eflowDepthCalculator.h

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef EFLOWREC_EFLOWDEPTHCALCULATOR_H
#define EFLOWREC_EFLOWDEPTHCALCULATOR_H
 
/********************************************************************
 
NAME:     eflowDepthCalculator.h
PACKAGE:  offline/Reconstruction/eflowRec
 
AUTHORS:  M.Hodgkinson, R Duxfield (based on R.Duxfields Root package)
CREATED:  18th Aug, 2005
 
********************************************************************/
 
#include "eflowCaloRegions.h"

class eflowDepthCalculator {
 
 public:
    
  eflowDepthCalculator();
  ~eflowDepthCalculator() {}
 
  static int NDepth()  {return m_nDepth;}
 
  const double* calcDepthArray(double eta, double filler = 0.0);
  const double* getDepthArray() const  {return m_layerDepth;}
 
  enum DEPTHLAYER {
    ORIGIN=0, EMB1, EMB2, EMB3, EMB_back,
    EME1, EME2, EME3, EME_back,
    HEC1, HEC2, HEC3, HEC4, HEC_back,
    Tile1, TileGap12, Tile2, TileGap23, Tile3, Tile_back,
    FCAL0, FCAL1, FCAL2,
    Unknown=999
  };
 
  static DEPTHLAYER depthIndex(eflowCaloENUM layer);
 
  static const double m_preEMBat0eta;
  static const double m_cryostatAt0eta;
  static const double m_LArGap;
  static const double m_preEMEat19eta;
  static const double m_preHEC;
  static const double m_preFCAL;
  static const double m_tileGapAt1eta;
  static const double m_inclusivePreTileExt;
  
  static const double m_EMBlambdaPerUnitLength;
  static const double m_tileLambdaPerUnitLength;
  static const double m_fcalLambdaPerUnitLength[3];
  
  static const double m_EMBlayerR[4];
  static const double m_EMBzMin;
  static const double m_EMBzMax;
 
  static const double m_EMErMin;
  static const double m_EMErMax;
  static const double m_EMElayerZ[4];
 
  static const double m_HECrMin;
  static const double m_HECrMax;
  static const double m_HEClayerZ[5];
 
  static const double m_FCALrMin;
  static const double m_FCALrMax;
  static const double m_FCALlayerZ[4];
  
  static const double m_tileBarLayerR[4];
  static const double m_tileBarZmin;
  static const double m_tileBarZmax;
 
  static const double m_tileExtLayerR[4];
  static const double m_tileExtZmin;
  static const double m_tileExtZmax;
  
  static const double m_itc1Zmin;
  static const double m_itc1Zmax;
  static const double m_itc1Rmin;
  static const double m_itc1Rmax;
 
  static const double m_itc2Zmin;
  static const double m_itc2Zmax;
  static const double m_itc2Rmin;
  static const double m_itc2Rmax;
 
 private:
 
  static double lengthThroughBox(double theta, double zMin, double zMax, double rMin, double rMax) ;
  
  static const int m_nDepth = FCAL2;//Tile_back;  // number of region bounds
  static const DEPTHLAYER m_layerDepthMap[eflowCalo::nRegions];
 
  double m_layerDepth[m_nDepth+1]{};
};
 
 
typedef eflowDepthCalculator::DEPTHLAYER eflowDepthLayerENUM;
 
#endif