JetFitterTrackSelectorTool.h

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/*
 Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration     
*/
 
/*
 * This tooltakes the input track collection of a jet candidate
 * It runs a filter on track quality
 * And separates tracks into primary vertex and secondary vertex tracks
 * By computing their compatibility with the primary vertex
 */
 
#ifndef JETFITTER_TRACKSELECTOR_TOOL_H
#define JETFITTER_TRACKSELECTOR_TOOL_H 1
 
#include "AthenaBaseComps/AthAlgTool.h"
#include "GaudiKernel/ToolHandle.h"
 
#include "VxJetVertex/SelectedTracksInJet.h"
#include "xAODTracking/Vertex.h"
 
#include "TrkExInterfaces/IExtrapolator.h"
#include "InDetSecVxFinderTool/InDetJetFitterUtils.h"
#include "TrkToolInterfaces/ITrackSelectorTool.h"
#include "xAODTracking/TrackParticleContainer.h"
 
#include "TrkLinks/LinkToXAODTrackParticle.h" 
#include "TrkTrackLink/ITrackLink.h"
 
#include "VxVertex/RecVertex.h"
 
namespace InDet {
 
    static const InterfaceID IID_JetFitterTrackSelectorTool("JetFitterTrackSelectorTool", 1, 0);
 
    class JetFitterTrackSelectorTool : public AthAlgTool {
    public:
 
        static const InterfaceID& interfaceID() {
            return IID_JetFitterTrackSelectorTool;
        }
 
        virtual StatusCode initialize() override;
 
        JetFitterTrackSelectorTool(const std::string &t, const std::string &n, const IInterface *p);
        ~JetFitterTrackSelectorTool();
 
        /*
         * method for performing track selection
         */
        const Trk::SelectedTracksInJet* doTrackSelection(const xAOD::Vertex &primaryVertex,
                             const TLorentzVector &jetMomentum,
                             const std::vector<const xAOD::IParticle *> &inputTracks) const;
 
    private:
    int computeTrackCompatibility( const xAOD::Vertex &primaryVertex,
                       const TLorentzVector &jetMomentum,
                       const xAOD::TrackParticle &trk_iter ) const;
    
    private:
    ToolHandle< Trk::IExtrapolator > m_extrapolator {this,"Extrapolator","Trk::Extrapolator/InDetExtrapolator",""};
    ToolHandle< InDet::InDetJetFitterUtils > m_jetFitterUtils {this,"InDetJetFitterUtils","InDet::InDetJetFitterUtils/InDetJetFitterUtils",""};   
    ToolHandle< Trk::ITrackSelectorTool > m_trkFilter {this,"TrackSelector","InDet::InDetDetailedTrackSelectorTool",""};  
 
    private:
    Gaudi::Property< bool > m_revertFromPositiveToNegativeTags {this,"revertFromPositiveToNegativeTags",false,""};
    Gaudi::Property< double > m_cutCompatibilityPrimaryVertexForPositiveLifetimeTracks {this,"cutCompPrimaryVertexForPosLifetimeTracks",1e-1,""};
    Gaudi::Property< double > m_cutCompatibilityPrimaryVertexForNegativeLifetimeTracks {this,"cutCompPrimaryVertexForNegLifetimeTracks",5e-2,""};
    };
 
}
 
#endif