ITrackToVertex.h

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/*
  Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
*/

// ITrackToVertex.h, (c) ATLAS Detector software 2005
 
#ifndef TRACKTOVERTEX_ITRACKTOVERTEX_H
#define TRACKTOVERTEX_ITRACKTOVERTEX_H
 
// Gaudi
#include "GaudiKernel/IAlgTool.h"
// Trk
#include "TrkParameters/TrackParameters.h"
// xAOD
#include "xAODTracking/TrackParticleFwd.h"
 
 
namespace Trk {
 class Track;
 class StraightLineSurface;
}
 
namespace InDet{
 class BeamSpotData;
}
 
class EventContext;
 
namespace Reco {
 
  static const InterfaceID IID_ITrackToVertex("ITrackToVertex", 1, 0);

 
 
  class ITrackToVertex : virtual public IAlgTool {
 
     public:
       virtual ~ITrackToVertex()=default;

       static const InterfaceID& interfaceID() { return IID_ITrackToVertex; };

       virtual std::unique_ptr<Trk::StraightLineSurface> GetBeamLine(
           const InDet::BeamSpotData*) const = 0;

       virtual std::unique_ptr<Trk::Perigee> perigeeAtVertex(
         const EventContext& ctx,
         const xAOD::TrackParticle& tp,
         const Amg::Vector3D& gp) const = 0;

       virtual std::unique_ptr<Trk::Perigee> perigeeAtVertex(
         const EventContext& ctx,
         const xAOD::TrackParticle& tp) const = 0;

       virtual std::unique_ptr<Trk::Perigee> perigeeAtVertex(
         const EventContext& ctx,
         const Trk::Track& trk,
         const Amg::Vector3D& gp) const = 0;

       virtual std::unique_ptr<Trk::Perigee> perigeeAtBeamline(
         const EventContext& ctx,
         const Trk::Track& trk,
         const InDet::BeamSpotData* beamSpotData) const = 0;

       virtual std::unique_ptr<Trk::TrackParameters> trackAtBeamline(
         const EventContext& ctx,
         const xAOD::TrackParticle& tp,
         const InDet::BeamSpotData*) const = 0;

       virtual std::unique_ptr<Trk::TrackParameters> trackAtBeamline(
         const EventContext& ctx,
         const Trk::Track& trk,
         const Trk::StraightLineSurface*) const = 0;

       virtual std::unique_ptr<Trk::TrackParameters> trackAtBeamline(
         const EventContext& ctx,
         const Trk::TrackParameters& tpars,
         const Trk::StraightLineSurface*) const = 0;
  };
}
 
#endif // TRACKTOVERTEX_ITRACKTOVERTEX_H