JetPruner.h

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/*
  Copyright (C) 2002-2023 CERN for the benefit of the ATLAS collaboration
*/
 
// JetPruner.h
 
#ifndef JetPruner_H
#define JetPruner_H
 
// David Adams
// January 2014
//
// Tool to groom jets with a mass-drop filter.
 
#include "AsgTools/AsgTool.h"
#include "JetInterface/IJetGroomer.h"
#include "JetInterface/IJetFromPseudojet.h"
#include "fastjet/JetDefinition.hh"
#include "AsgTools/ToolHandle.h"
 
class JetPruner
: public asg::AsgTool,
  virtual public IJetGroomer {
ASG_TOOL_CLASS(JetPruner, IJetGroomer)
 
public:
 
  // Ctor.
  JetPruner(const std::string& name);
 
  // Dtor.
  ~JetPruner();
 
  // Initilization.
  StatusCode initialize();
 
  // Groom a jet and add result to a container.
  int groom(const xAOD::Jet& jin,
            const PseudoJetContainer&,
            xAOD::JetContainer& jout) const;
 
  // Dump to log.
  void print() const;
 
private:  // data
 
  // Job options.
  std::string m_jetalg;                 // Kt, AntiKt, CamKt
  float m_zcut{};                         // zcut: pTi, pTj > pT(i+j)
  float m_rcut{};                         // rcut: Rij < rcut*2m/pT
  ToolHandle<IJetFromPseudojet> m_bld;  // Tool to build jets.
 
  // Data
  fastjet::JetAlgorithm m_fjalg=fastjet::undefined_jet_algorithm;
  
};
 
#endif