ITwoTrackVertexSelector.h

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
//
// ITwoTrackVertexSelector.h - Description
//
/*
   Interface for good 2-track vertex selection during track-track compatibility graph 
   construction for inclusive vertex reconstruction
   
   
    Author: Vadim Kostyukhin
    e-mail: vadim.kostyukhin@cern.ch
-----------------------------------------------------------------------------*/
 
 
#ifndef _Rec_ITwoTrackVertexSelector_H
#define _Rec_ITwoTrackVertexSelector_H
// Normal STL and physical vectors
#include <vector>
// Gaudi includes
#include "AthenaBaseComps/AthAlgTool.h"
#include "xAODTracking/TrackParticleContainer.h"
#include "xAODTracking/VertexContainer.h"
#include "Math/Vector4D.h"
 
//------------------------------------------------------------------------
namespace Rec {
 
  class ITwoTrackVertexSelector : virtual public IAlgTool {
    public:
     DeclareInterfaceID(ITwoTrackVertexSelector, 1, 0);

     virtual bool isgood( const EventContext& ctx,
                          const std::pair<const xAOD::TrackParticle*,const xAOD::TrackParticle*> tracks,
                          const xAOD::Vertex & candV,
                          std::pair<ROOT::Math::XYZTVector,ROOT::Math::XYZTVector> moms,
                          const xAOD::Vertex & tPV) const =0;
     virtual bool isgood( const EventContext& ctx,
                          const std::pair<const xAOD::TrackParticle*,const xAOD::TrackParticle*> tracks,
                          const xAOD::Vertex & candV,
                          std::pair<ROOT::Math::XYZTVector,ROOT::Math::XYZTVector> moms,
                          const xAOD::Vertex & tPV,
                          float & quality) const =0;
  };
 
}  //end namespace
 
#endif