JetFitterTwoTrackVtxFinderTool.h

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/*
 Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef JETFITTER_TWOTRACKVTX_FINDER_TOOL_H
#define JETFITTER_TWOTRACKVTX_FINDER_TOOL_H 1
 
#include "AthenaBaseComps/AthAlgTool.h"
#include "GaudiKernel/ToolHandle.h"
 
#include "VxJetVertex/TwoTrackVerticesInJet.h"
#include "TrkVertexFitterInterfaces/IVertexSeedFinder.h"
#include "TrkVertexFitterInterfaces/IVertexFitter.h"
 
namespace InDet {
 
    static const InterfaceID IID_JetFitterTwoTrackVtxFinderTool("JetFitterTwoTrackVtxFinderTool", 1, 0);
 
    class JetFitterTwoTrackVtxFinderTool : public AthAlgTool {
    public:
 
        static const InterfaceID& interfaceID() {
      return IID_JetFitterTwoTrackVtxFinderTool;
        }
 
    JetFitterTwoTrackVtxFinderTool(const std::string &t, const std::string &n, const IInterface *p);
    ~JetFitterTwoTrackVtxFinderTool();
 
        StatusCode initialize();
        StatusCode finalize();
 
    const Trk::TwoTrackVerticesInJet* doVertexFinding( const EventContext& ctx,
                               const xAOD::Vertex&,
                               const TLorentzVector&,
                               std::vector< const Trk::ITrackLink* >& ) const;
 
 
    private:
    xAOD::Vertex* computeVtxcandidate( const EventContext& ctx,
                       const xAOD::Vertex&,
                       const TLorentzVector&,
                       const Trk::ITrackLink* trackA,
                       const Trk::ITrackLink* trackB ) const;
 
    private:
    ToolHandle< Trk::IVertexSeedFinder > m_CrossDistancesSeedFinder {this,"CrossDistancesSeedFinder","Trk::CrossDistancesSeedFinder/CrossDistancesSeedFinder",""};
    ToolHandle< Trk::IVertexFitter > m_SequentialVertexFitter {this,"SequentialVertexFitter","Trk::SequentialVertexFitter/SequentialVertexFitter",""};
 
    SG::AuxElement::Decorator< std::vector< const Trk::ITrackLink* > > m_tracksDecorator;
 
    Gaudi::Property< double > m_maxR {this,"ID_maxR",1150.,""};
    Gaudi::Property< double > m_maxZ {this,"ID_maxZ",2727.,""};
    Gaudi::Property< double > m_twoVertexProbabilityCut {this,"twoVertexProbabilityCut",3.4e-2,""};
    Gaudi::Property< bool > m_revertFromPositiveToNegativeTags {this,"revertFromPositiveToNegativeTags",false,""};
    };
 
}
 
#endif