/cvmfs/atlas.cern.ch/repo/sw/ASG/AnalysisBase/2.4.31/ElectronPhotonSelectorTools/ElectronPhotonSelectorTools/EGammaAmbiguityTool.h

// Dear emacs, this is -*-c++-*-

#ifndef __EGammaAmbiguityTool__
#define __EGammaAmbiguityTool__

// Atlas includes
#include "AsgTools/AsgTool.h"
#include "ElectronPhotonSelectorTools/IEGammaAmbiguityTool.h"
#include "xAODEgamma/EgammaContainerFwd.h"

class EGammaAmbiguityTool : public asg::AsgTool,
                virtual public IEGammaAmbiguityTool
{
  ASG_TOOL_CLASS2(EGammaAmbiguityTool, IEGammaAmbiguityTool, asg::IAsgTool)

public: 
  EGammaAmbiguityTool(std::string myname);


  virtual ~EGammaAmbiguityTool();


public:
  virtual StatusCode initialize();

  virtual StatusCode finalize();

  virtual unsigned int ambiguityResolve(const xAOD::CaloCluster* cluster,
                                        const xAOD::Vertex* vx,
                                        const xAOD::TrackParticle* tp, xAOD::AmbiguityTool::AmbiguityType& type) const;

  virtual unsigned int ambiguityResolve(const xAOD::CaloCluster* cluster,
                                        const xAOD::Vertex* vx,
                                        const xAOD::TrackParticle* tp) const;


  unsigned int ambiguityResolve(const xAOD::Egamma& egamma) const;

  bool accept( const xAOD::Egamma& egamma, bool acceptAmbiguous = true ) const;
  
  const xAOD::Egamma* getOverlappingObject( const xAOD::Egamma& egamma,const xAOD::EgammaContainer* egammaContainer ) const;

  bool hasInnermostPixelHit(const xAOD::TrackParticle& tp) const;

  size_t nTrkWithInnermostPixelHits(const xAOD::Vertex& vx) const;
  
  bool isInVertex(const xAOD::TrackParticle&, const xAOD::Vertex&) const;
  
  bool passDeltaR_innermost(const xAOD::Vertex& vx) const;

private:

  int m_MinNoSiHits;
  int m_MinNoPixHits;
  float  m_maxEoverPCut;
  float m_minPtCut;
  float m_maxDeltaR_innermost;
  std::string m_electronContainerName;
  std::string m_photonContainerName;
  
  const xAOD::EgammaContainer *getContainer(bool electronContainer) const;

}; // End: class definition

#endif

---