CurvilinearParametersT.h

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/*
  Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
*/

// CurvilinearParametersT.h, (c) ATLAS Detector software
 
#ifndef TRKPARAMETERSBASE_CURVILINEARPARAMETERS_T_H
#define TRKPARAMETERSBASE_CURVILINEARPARAMETERS_T_H
 
#include "TrkParametersBase/ParametersBase.h"
 
#include "EventPrimitives/EventPrimitives.h"
#include "GeoPrimitives/GeoPrimitives.h"
#include "TrkEventPrimitives/CurvilinearUVT.h"
#include "TrkEventPrimitives/SurfaceTypes.h"
#include <memory>
class MsgStream;
 
namespace Trk {
 
template<int DIM, class T, class S>
class CurvilinearParametersT final : public ParametersBase<DIM, T>
{
public:
  static_assert(S::staticType == SurfaceType::Plane,
                "The surface type must be Plane");

  CurvilinearParametersT() = default;

  CurvilinearParametersT(
    const AmgVector(DIM + 2) & parameters,
    std::optional<AmgSymMatrix(DIM)> covariance = std::nullopt,
    unsigned int cIdenfier = 0);

  CurvilinearParametersT(
    const Amg::Vector3D& pos,
    double phi,
    double theta,
    double qOverP,
    std::optional<AmgSymMatrix(DIM)> covariance = std::nullopt,
    unsigned int cIdenfier = 0);

  CurvilinearParametersT(
    const Amg::Vector3D& pos,
    const Amg::Vector3D& mom,
    double charge,
    std::optional<AmgSymMatrix(DIM)> covariance = std::nullopt,
    unsigned int cIdenfier = 0);

  CurvilinearParametersT(const CurvilinearParametersT<DIM, T, S>&) = default;

  CurvilinearParametersT(CurvilinearParametersT<DIM, T, S>&&) noexcept = default;

  CurvilinearParametersT<DIM, T, S>& operator=(
    const CurvilinearParametersT<DIM, T, S>&) = default;

  CurvilinearParametersT<DIM, T, S>& operator=(
    CurvilinearParametersT<DIM, T, S>&&) noexcept = default;

  virtual ~CurvilinearParametersT() = default;

  unsigned int cIdentifier() const;
 
  void setcIdentifier(unsigned int cIdentifier);

  virtual bool hasSurface() const override final;

  virtual const S& associatedSurface() const override final;

  virtual bool operator==(
    const ParametersBase<DIM, T>& rhs) const override final;

  virtual CurvilinearParametersT<DIM, T, S>* clone() const override final;
 

  constexpr virtual ParametersType type() const override final;

  constexpr virtual SurfaceType surfaceType() const override final;

  virtual Amg::RotationMatrix3D measurementFrame() const override final;

  virtual MsgStream& dump(MsgStream& out) const override final;
  virtual std::ostream& dump(std::ostream& out) const override final;
 
private:
  /* Helper to factor in update of parameters*/
  virtual void updateParametersHelper(const AmgVector(DIM) &) override final;

  CurvilinearUVT curvilinearFrame() const;
 
protected:
  /*
   * Add dependent names into scope
   */
  S m_surface;              
  unsigned int m_cIdentifier = 0;
  /*
   * friends needed for Persistency
   */
  template<typename pars>
  friend class ::TrackParametersCovarianceCnv;
  friend class ::TrackParametersCnv_p2;
  friend class ::MeasuredPerigeeCnv_p1;

  friend class MaterialEffectsEngine;
};
} // end of namespace Trk
 
#include "TrkParametersBase/CurvilinearParametersT.icc"
#endif