LArCellEmMiscalib.h

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/*
  Copyright (C) 2002-2021 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef LARCELLREC_LARCELLEMMISCALIB_H
#define LARCELLREC_LARCELLEMMISCALIB_H
 
#include <utility>
#include <vector>
 
#include "StoreGate/StoreGateSvc.h"
#include "CaloUtils/CaloCellCorrection.h"
 
#include "CaloDetDescr/CaloDetDescrManager.h"
#include "AthenaKernel/IOVSvcDefs.h"
 
#include "AthenaKernel/IAthRNGSvc.h"
 
class LArEM_ID;
class CaloIdManager;
 
namespace CLHEP {
  class HepRandomEngine;
}
 
class LArCellEmMiscalib :  public CaloCellCorrection
 
{
 
 public:    
  
  LArCellEmMiscalib(const std::string& type, 
            const std::string& name, 
            const IInterface* parent) ;
 
  virtual ~LArCellEmMiscalib()=default;
  
  virtual StatusCode initialize() override;
  
  virtual void MakeCorrection (CaloCell* theCell,
                               const EventContext& ctx) const override;
  
 private:
 
  static int region(int barrelec, double eta, double phi);
  void smearingPerRegion (CLHEP::HepRandomEngine* engine);
 
  const LArEM_ID*   m_larem_id;
  const CaloIdManager* m_caloIdMgr = nullptr;
  const CaloDetDescrManager* m_calodetdescrmgr = nullptr;
 
  ServiceHandle<IAthRNGSvc> m_rngSvc
    { this, "RndmSvc", "AthRNGSvc", "" };
 
  int m_seed;
  double m_sigmaPerRegion;
  double m_sigmaPerCell;
  bool m_undo;
 
  unsigned int m_ncellem;
  std::vector<float> m_spread1;
  std::vector<float> m_calib;
 
  mutable std::once_flag m_initOnce;
  void initOnce (const EventContext& ctx); 
  SG::ReadCondHandleKey<CaloDetDescrManager> m_caloMgrKey{this,"CaloDetDescrManager", "CaloDetDescrManager"};
};
 
#endif // not LARCELLREC_LARCELLEMMISCALIB_H