IImpactPoint3dEstimator.h

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef TRKVERTEXFITTERINTERFACES_IIMPACTPOINT3DESTIMATOR_H
#define TRKVERTEXFITTERINTERFACES_IIMPACTPOINT3DESTIMATOR_H
 
#include "GaudiKernel/IAlgTool.h"
#include "TrkParameters/TrackParameters.h"
#include "TrkNeutralParameters/NeutralParameters.h"
#include <memory> //for unique_ptr

 
class EventContext;
 
namespace Trk
{
  class PlaneSurface;
  class VxTrackAtVertex;
 
  class IImpactPoint3dEstimator : virtual public IAlgTool
  {
  public:
    DeclareInterfaceID( IImpactPoint3dEstimator, 1, 0 );
    
    virtual std::unique_ptr<PlaneSurface>
    Estimate3dIP(const EventContext& ctx, const Trk::TrackParameters* trackPerigee, const Amg::Vector3D* theVertex, double& distance) const = 0;
    virtual std::unique_ptr<PlaneSurface>
    Estimate3dIP(const EventContext& ctx, const Trk::NeutralParameters* neutralPerigee, const Amg::Vector3D* theVertex, double& distance) const = 0;

    virtual bool addIP3dAtaPlane(const EventContext& ctx, VxTrackAtVertex &,const Amg::Vector3D & vertex) const = 0;

    virtual const Trk::AtaPlane * IP3dAtaPlane(const EventContext& ctx,VxTrackAtVertex & vtxTrack,const Amg::Vector3D & vertex) const = 0;
    //Same for neutrals
    virtual const Trk::NeutralAtaPlane * IP3dNeutralAtaPlane(const EventContext& ctx, const NeutralParameters * initNeutPerigee,const Amg::Vector3D & vertex) const = 0;
 
 
 };//end of class definition
 
}
 
namespace error
{
  struct ImpactPoint3dEstimatorProblem
  {
    const char* p;
    ImpactPoint3dEstimatorProblem(const char* q) {p=q; }
  };
}
 
#endif