DiTauSelectionCuts.h

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef TAUANALYSISTOOLS_DITAUSELECTIONCUTS_H
#define TAUANALYSISTOOLS_DITAUSELECTIONCUTS_H
 
/*
  original author: Dirk Duschinger
  mail: dirk.duschinger@cern.ch
  contact email: antonio.de.maria@cern.ch
  documentation in: https://gitlab.cern.ch/atlas/athena/-/blob/main/PhysicsAnalysis/TauID/TauAnalysisTools/doc/README-TauSelectionTool.rst
*/
 
// Framework include(s):
#include "xAODTau/DiTauJet.h"
 
// ROOT include(s):
#include "TH1F.h"
 
#include <memory>
 
namespace asg{
  class AcceptInfo;
  class AcceptData;
}
 
namespace TauAnalysisTools
{
 
class DiTauSelectionTool;
 
class DiTauSelectionCut
{
 
public:
  DiTauSelectionCut(const std::string& sName, TauAnalysisTools::DiTauSelectionTool* tDTST);
  virtual ~DiTauSelectionCut();
 
  void writeControlHistograms();
  void fillHistogramCutPre(const xAOD::DiTauJet& xTau);
  void fillHistogramCut(const xAOD::DiTauJet& xTau);
  virtual void setAcceptInfo (asg::AcceptInfo& info) const = 0;
  virtual bool accept(const xAOD::DiTauJet& xTau,
                      asg::AcceptData& accept) = 0;
  std::unique_ptr<TH1F> CreateControlPlot(const char* sName, const char* sTitle, int iBins, double dXLow, double dXUp);
 
  const std::string& getName()
  {
    return m_sName;
  };
 
  void setProperty(const std::string& name, const std::string& value);
 
protected:
  std::string m_sName;
 
  std::unique_ptr<TH1F> m_hHistCutPre;
  std::unique_ptr<TH1F> m_hHistCut;
 
  DiTauSelectionTool* m_tDTST{};
 
  void declareProperty(const std::string& name, std::string& loc);
  std::map<std::string, std::string&> m_mProperties;
  std::string getProperty(const std::string& name);
 
private:
  virtual void fillHistogram(const xAOD::DiTauJet& xTau, TH1F& hHist) const = 0;
};
 
class DiTauSelectionCutPt
  : public DiTauSelectionCut
{
public:
  DiTauSelectionCutPt(DiTauSelectionTool* tDTST);
  virtual void setAcceptInfo (asg::AcceptInfo& info) const override;
  virtual bool accept(const xAOD::DiTauJet& xTau,
                      asg::AcceptData& accept) override;
private:
  virtual void fillHistogram(const xAOD::DiTauJet& xTau, TH1F& hHist) const override;
};
 
class DiTauSelectionCutAbsEta
  : public DiTauSelectionCut
{
public:
  DiTauSelectionCutAbsEta(DiTauSelectionTool* tDTST);
  virtual void setAcceptInfo (asg::AcceptInfo& info) const override;
  virtual bool accept(const xAOD::DiTauJet& xTau,
                      asg::AcceptData& accept) override;
private:
  virtual void fillHistogram(const xAOD::DiTauJet& xTau, TH1F& hHist) const override;
};
 
class DiTauSelectionCutNSubjets
  : public DiTauSelectionCut
{
public:
  DiTauSelectionCutNSubjets(DiTauSelectionTool* tDTST);
  virtual void setAcceptInfo (asg::AcceptInfo& info) const override;
  virtual bool accept(const xAOD::DiTauJet& xTau,
                      asg::AcceptData& accept) override;
private:
  virtual void fillHistogram(const xAOD::DiTauJet& xTau, TH1F& hHist) const override;
};
 
class DiTauSelectionCutAbsCharge
  : public DiTauSelectionCut
{
public:
  DiTauSelectionCutAbsCharge(DiTauSelectionTool* tDTST);
  virtual void setAcceptInfo (asg::AcceptInfo& info) const override;
  virtual bool accept(const xAOD::DiTauJet& xTau,
                      asg::AcceptData& accept) override;
private:
  float m_bDiTauCharge;
  virtual void fillHistogram(const xAOD::DiTauJet& xTau, TH1F& hHist) const override;
};
 
// class to perform ditau ID selection
class DiTauSelectionCutOmniScore
  : public DiTauSelectionCut
{
public:
  DiTauSelectionCutOmniScore(DiTauSelectionTool* tDTST);
  // method to add message about cut setup 
  virtual void setAcceptInfo (asg::AcceptInfo& info) const override;
  // method to check if ditau passes the cut and return decision 
  virtual bool accept(const xAOD::DiTauJet& xTau,
                      asg::AcceptData& accept) override;
private:
  // method to fill control histograms
  virtual void fillHistogram(const xAOD::DiTauJet& xTau, TH1F& hHist) const override;
};
 
// class to perform ditau ID selection based on WPs
class DiTauSelectionCutOmniIDWP
  : public DiTauSelectionCut
{
public:
  DiTauSelectionCutOmniIDWP(DiTauSelectionTool* tDTST);
  virtual void setAcceptInfo (asg::AcceptInfo& info) const override;
  virtual bool accept(const xAOD::DiTauJet& xTau,
                      asg::AcceptData& accept) override;
private:
  virtual void fillHistogram(const xAOD::DiTauJet& xTau, TH1F& hHist) const override;
};
 
}
 
#endif // TAUANALYSISTOOLS_DITAUSELECTIONCUTS_H