jFEXPileupAndNoise.h

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration  
*/
//***************************************************************************  
//      jFEXPileupAndNoise - Algorithm for Pileup and Noise in jFEX
//                              -------------------
//     begin                : 24 05 2021
//     email                : Sergi.Rodriguez@cern.ch
//***************************************************************************
 
#ifndef jFEXPileupAndNoise_H
#define jFEXPileupAndNoise_H
 
 
#include "AthenaBaseComps/AthAlgTool.h"
#include "AthenaKernel/CLASS_DEF.h"
#include "L1CaloFEXSim/jTowerContainer.h"
#include "L1CaloFEXToolInterfaces/IjFEXPileupAndNoise.h"
#include "L1CaloFEXSim/FEXAlgoSpaceDefs.h"
#include "L1CaloFEXCond/jFEXDBCondData.h"
#include "StoreGate/ReadCondHandleKey.h"
#include "StoreGate/ReadCondHandle.h"
#include <vector>
 
namespace LVL1 {
 
  class jFEXPileupAndNoise : public AthAlgTool, virtual public IjFEXPileupAndNoise{
 
  public:
    jFEXPileupAndNoise(const std::string& type, const std::string& name, const IInterface* parent);
   
    virtual StatusCode initialize() override;
    virtual StatusCode safetyTest() override;
    virtual StatusCode reset() override;
 
    virtual void setup(int FPGA[FEXAlgoSpaceDefs::jFEX_algoSpace_height][FEXAlgoSpaceDefs::jFEX_thin_algoSpace_width]) override;
    virtual void setup(int FPGA[FEXAlgoSpaceDefs::jFEX_algoSpace_height][FEXAlgoSpaceDefs::jFEX_wide_algoSpace_width]) override;    
    
    virtual std::unordered_map<int,std::vector<int> > GetEt_values() const override;
    virtual std::unordered_map<int,std::vector<int> > Get_EM_Et_values() override;
    virtual std::unordered_map<int,std::vector<int> > Get_HAD_Et_values() override;
    
    virtual ~jFEXPileupAndNoise();
 
    
    virtual std::vector<int> CalculatePileup()      override;
    virtual StatusCode ApplyPileup() override;
    virtual void ApplyNoise2Jets(bool b)  override;
    virtual void ApplyNoise2Met(bool b)   override;
 
    
protected:
 
  private:
        SG::ReadHandleKey<LVL1::jTowerContainer> m_jTowerContainerKey {this, "MyjTowers", "jTowerContainer", "Input container for jTowers"};
        SG::ReadHandle<jTowerContainer> m_jTowerContainer;
        
        SG::ReadCondHandleKey<jFEXDBCondData> m_BDToolKey {this, "BDToolKey", "jFEXDBParams", "DB tool key"};
        
        int m_FPGA_central[FEXAlgoSpaceDefs::jFEX_algoSpace_height][FEXAlgoSpaceDefs::jFEX_thin_algoSpace_width]={{0}};
        int m_FPGA_forward[FEXAlgoSpaceDefs::jFEX_algoSpace_height][FEXAlgoSpaceDefs::jFEX_wide_algoSpace_width]={{0}};
        
        int m_etaMAX=0;
        
        std::unordered_map<int,int > m_FPGA_ET_EM;
        std::unordered_map<int,int > m_FPGA_ET_HAD;        
        
        //rho variables for the pileup
        int m_rho_EM   = 0; //for eta < 3.2
        int m_rho_HAD1 = 0; //for eta < 1.5
        int m_rho_HAD2 = 0; //for 1.5 < eta < 1.6
        int m_rho_HAD3 = 0; //for 1.6 < eta < 3.2
        int m_rho_FCAL = 0; //for eta > 3.1
        
        //TT counters
        int m_count_rho_EM   = 0;
        int m_count_rho_HAD1 = 0;
        int m_count_rho_HAD2 = 0;
        int m_count_rho_HAD3 = 0;
        int m_count_rho_FCAL = 0;
        
        //boolean flags
        bool m_is_FWD      = false; // 0 for central, 1 for forward
        bool m_apply_pileup2jets  = false; 
        bool m_apply_pileup2met   = false;
        bool m_apply_noise2jets   = false;
        bool m_apply_noise2met    = false;
        
        void reset_conters();
        void SubtractPileup();
        void ApplyNoiseCuts(std::unordered_map<int,std::vector<int> > & map_Etvalues, int layer);
        int  rhoDivLUT(int ntowers) const;
 
        // SG information
        int getTTowerEta     (const LVL1::jTower *tmpTower ) const;
        int getTTowerET      (const LVL1::jTower *tmpTower ) const;
        int getET_EM         (const LVL1::jTower *tmpTower ) const;
        int getET_HAD        (const LVL1::jTower *tmpTower ) const;
        int getTTArea_EM     (const LVL1::jTower *tmpTower ) const;
        int getTTArea_HAD    (const LVL1::jTower *tmpTower ) const;
        int getTTAreaINV_EM  (const LVL1::jTower *tmpTower ) const;
        int getTTAreaINV_HAD (const LVL1::jTower *tmpTower ) const;
        
        std::unordered_map<int,std::vector<int> > m_map_Etvalues_EM;
        std::unordered_map<int,std::vector<int> > m_map_Etvalues_HAD;
  };
}//end of namespace
 
 
CLASS_DEF( LVL1::jFEXPileupAndNoise , 585629 , 1 )
 
#endif