CaloEstimatedGainTool.h

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// This file's extension implies that it's C, but it's really -*- C++ -*-.
/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
 */
 
 
#ifndef CALOTOOLS_CALOESTIMATEDGAINTOOL_H
#define CALOTOOLS_CALOESTIMATEDGAINTOOL_H
 
 
#include "CaloInterface/ICaloEstimatedGainTool.h"
#include "LArRawConditions/LArADC2MeV.h"
#include "TileConditions/TileCondIdTransforms.h"
#include "TileConditions/TileCondToolNoiseSample.h"
#include "TileConditions/TileCondToolEmscale.h"
#include "CaloIdentifier/CaloCell_ID.h"
#include "AthenaBaseComps/AthAlgTool.h"
#include "StoreGate/ReadCondHandleKey.h"
#include "GaudiKernel/ToolHandle.h"
 
 
class LArEM_ID;
class TileInfo;
 
 
class CaloEstimatedGainTool
  : public extends<AthAlgTool, ICaloEstimatedGainTool>
{
public:
  using base_class::base_class;
 
 
  typedef ICaloEstimatedGainTool::Step Step;
 
 
  virtual StatusCode initialize() override;
 
 
  virtual CaloGain::CaloGain estimatedGain (const EventContext& ctx,
                                            const CaloCell& caloCell,
                                            const Step step) const override;
 
  virtual CaloGain::CaloGain estimatedGain (const EventContext& ctx,
                                            const CaloCell& caloCell,
                                            const CaloDetDescrElement& caloDDE,
                                            const Step step) const override;
 
  virtual CaloGain::CaloGain estimatedGain (const EventContext& ctx,
                                            const CaloDetDescrElement& caloDDE,
                                            const float energy,
                                            const Step step) const override;
 
 
private:
  CaloGain::CaloGain estimatedLArGain (const EventContext& ctx,
                                       const CaloCell_ID::SUBCALO iCalo,
                                       const CaloDetDescrElement& caloDDE,
                                       const float energy, 
                                       const Step step) const;
 
 
  CaloGain::CaloGain estimatedTileGain (const EventContext& ctx,
                                        const CaloCell& caloCell,
                                        const CaloDetDescrElement& caloDDE,
                                        const Step /*step*/) const;
 
 
  float adc2mev (const EventContext& ctx,
                 const CaloDetDescrElement& caloDDE,
                 const CaloGain::CaloGain gain) const;
 
  SG::ReadCondHandleKey<LArADC2MeV> m_adc2mevKey
    { this, "ADC2MeVKey", "LArADC2MeV", "SG Key of the LArADC2MeV CDO" };
 
 
  static const int m_nCalos=4;// number of calorimeters
 
  float m_LowGainThresh[m_nCalos] = {0};
  float m_HighGainThresh[m_nCalos] = {0};
 
  const LArEM_ID*    m_lar_em_id = nullptr;
  const TileInfo* m_tileInfo{};
 
  ToolHandle<TileCondIdTransforms> m_tileIdTransforms
    { this, "TileCondIdTransforms", "TileCondIdTransforms",
      "Tile tool to translate hardware identifiers to the drawerIdx, channel, and adc" };
 
  ToolHandle<TileCondToolEmscale> m_tileToolEmscale
    { this, "TileCondToolEmscale", "TileCondToolEmscale",
      "Tile EM scale calibration tool" };
 
  ToolHandle<TileCondToolNoiseSample> m_tileToolNoiseSample
    { this, "TileCondToolNoiseSample", "TileCondToolNoiseSample",
      "Tile sample noise tool" };
};
 
 
#endif // not CALOTOOLS_CALOESTIMATEDGAINTOOL_H