Tool_FeatureExtractor.h

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/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef PANTAUALGS_TOOL_FEATUREEXTRACTOR_H
#define PANTAUALGS_TOOL_FEATUREEXTRACTOR_H
 
#include <string>
#include <map>
#include <vector>

#include "AsgTools/AsgTool.h"
#include "AsgTools/ToolHandle.h"
#include "AsgTools/PropertyWrapper.h"
 
// PanTau
#include "PanTauAlgs/HelperFunctions.h"
#include "PanTauAlgs/ITool_PanTauTools.h"
#include "PanTauAlgs/ITool_InformationStore.h"
#include "PanTauAlgs/TauConstituent.h"
#include "PanTauAlgs/TauFeature.h"
 
namespace PanTau {
    
  class Tool_FeatureExtractor : public asg::AsgTool, virtual public PanTau::ITool_PanTauTools {
 
    ASG_TOOL_CLASS1(Tool_FeatureExtractor, PanTau::ITool_PanTauTools)
    
    public:
 
        Tool_FeatureExtractor(const std::string &name);
        virtual StatusCode initialize() override;
        
        //get the features for an input seed
        virtual StatusCode execute(PanTau::PanTauSeed* inSeed) const override;
        
    protected:
        
        //handle to the helper function
        PanTau::HelperFunctions m_HelperFunctions;
        ToolHandle<PanTau::ITool_InformationStore> m_Tool_InformationStore{this, "Tool_InformationStore", "PanTau::Tool_InformationStore/Tool_InformationStore","Tool handle to the information store tool"};
        Gaudi::Property<std::string> m_Tool_InformationStoreName{this, "Tool_InformationStoreName", "", "Tool handle to the information store tool"};
            
        //Function to calculate basic features
        StatusCode calculateBasicFeatures(PanTau::PanTauSeed* inSeed) const;
        
        //Function to calculate features for one set of constituents
        StatusCode calculateFeatures(PanTau::PanTauSeed* inSeed,
                                     int tauConstituentType,
                     const std::map<std::string, double>& variants_SeedEt) const;
        
        //Function to add the 4 momenta of the tau constituents to the features
        StatusCode addConstituentMomenta(PanTau::PanTauSeed* inSeed) const;
        
        //Function to calculate features based on two sets of constituents
        StatusCode addCombinedFeatures(PanTau::PanTauSeed* inSeed,
                       const std::map<std::string, double>& variants_SeedEt) const;
        
        //Function to fill the variants_SeedEt member
        static void fillVariantsSeedEt(const std::vector<PanTau::TauConstituent*>& tauConstituents,
                std::map<std::string, double>& variants_SeedEt) ;
                
        //helper function to fill the variants_SeedEt map
        static void addFeatureWrtSeedEnergy(PanTau::TauFeature* targetMap,
                     const std::string& featName,
                     double numerator,
                     const std::map<std::string, double>& denominatorMap) ;
        
        int m_Config_UseEmptySeeds = 0;
        
        
        std::vector<double> m_Config_BinEdges_Eta;
        std::vector<double> m_Config_CellBased_EtaBinned_Pi0MVACut_1prong;
        std::vector<double> m_Config_CellBased_EtaBinned_Pi0MVACut_3prong;
        
        //make these configured via python! (super trick ;))
        static const std::string varTypeName_Ratio()        {return "Ratio";}
        static const std::string varTypeName_Mean()         {return "Mean";}
        static const std::string varTypeName_StdDev()       {return "StdDev";}
        static const std::string varTypeName_HLV()          {return "HLV";}
        static const std::string varTypeName_Angle()        {return "Angle";}
        static const std::string varTypeName_DeltaR()       {return "DeltaR";}
        static const std::string varTypeName_JetMoment()    {return "JetMoment";}
        static const std::string varTypeName_Combined()     {return "Combined";}
        static const std::string varTypeName_Basic()        {return "Basic";}
        static const std::string varTypeName_PID()          {return "PID";}
        static const std::string varTypeName_Shots()        {return "Shots";}
        
        std::string m_varTypeName_Ratio;
        std::string m_varTypeName_StdDev;
        std::string m_varTypeName_HLV;
        std::string m_varTypeName_JetMoment;
        std::string m_varTypeName_Combined;
        std::string m_varTypeName_Basic;
        std::string m_varTypeName_PID;
 
    bool m_init=false;
 
  public:
    inline bool isInitialized() override {return m_init;}
};
 
} // end of namespace PanTau
#endif // PANTAUALGS_TOOL_FEATUREEXTRACTOR_H