Import Geant4 11.4.0 source tree
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Gabriele Cosmo
@@ -27,13 +27,13 @@
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//
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// Class description:
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//
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// Data structure bringing together a magnetic track's state.
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// (position, momentum direction & modulus, energy, spin, ... )
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// Data structure bringing together a magnetic track's state
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// (position, momentum direction & modulus, energy, spin, ... ).
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// Uses/abilities:
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// - does not maintain any relationship between its data (eg energy/momentum).
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// - for use in Runge-Kutta solver (in passing it the values right now).
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// Author: John Apostolakis, CERN - First version, 14.10.1996
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// Author: John Apostolakis (CERN), 14.10.1996 - First version
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// -------------------------------------------------------------------
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#ifndef G4FIELDTRACK_HH
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#define G4FIELDTRACK_HH
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@@ -41,140 +41,202 @@
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#include "G4ThreeVector.hh"
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#include "G4ChargeState.hh"
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/**
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* @brief G4FieldTrack defines a data structure bringing together a magnetic
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* track's state (position, momentum direction & modulus, energy, spin, etc. ).
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*/
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class G4FieldTrack
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{
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public: // with description
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public:
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G4FieldTrack( const G4ThreeVector& pPosition,
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G4double LaboratoryTimeOfFlight,
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const G4ThreeVector& pMomentumDirection,
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G4double kineticEnergy,
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G4double restMass_c2,
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G4double charge,
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const G4ThreeVector& polarization,
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G4double magnetic_dipole_moment = 0.0,
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G4double curve_length = 0.0,
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G4double PDGspin = -1.0 );
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/**
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* Constructor for G4FieldTrack.
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* @param[in] pPosition Position in Cartesian coordinates.
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* @param[in] LaboratoryTimeOfFlight Laboratory time of flight value.
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* @param[in] pMomentumDirection Direction vector.
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* @param[in] kineticEnergy Kinetic energy value.
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* @param[in] restMass_c2 Mass at rest.
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* @param[in] charge Charge.
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* @param[in] polarization Polarisation vector.
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* @param[in] magnetic_dipole_moment Magnetic dipole moment.
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* @param[in] curve_length Length of curve.
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* @param[in] PDGspin Spin.
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*/
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G4FieldTrack( const G4ThreeVector& pPosition,
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G4double LaboratoryTimeOfFlight,
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const G4ThreeVector& pMomentumDirection,
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G4double kineticEnergy,
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G4double restMass_c2,
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G4double charge,
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const G4ThreeVector& polarization,
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G4double magnetic_dipole_moment = 0.0,
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G4double curve_length = 0.0,
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G4double PDGspin = -1.0 );
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G4FieldTrack( char );
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// Almost default constructor
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/**
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* Older constructor for G4FieldTrack, similar to above but missing charge.
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* @param[in] pPosition Position in Cartesian coordinates.
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* @param[in] pMomentumDirection Direction vector.
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* @param[in] curve_length Length of curve.
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* @param[in] kineticEnergy Kinetic energy value.
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* @param[in] restMass_c2 Mass at rest.
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* @param[in] velocity Velocity value - Not used.
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* @param[in] LaboratoryTimeOfFlight Laboratory time of flight value.
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* @param[in] ProperTimeOfFlight Proper time of flight value.
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* @param[in] polarization Polarisation vector.
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* @param[in] PDGspin Spin.
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*/
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G4FieldTrack( const G4ThreeVector& pPosition,
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const G4ThreeVector& pMomentumDirection,
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G4double curve_length,
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G4double kineticEnergy,
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const G4double restMass_c2,
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G4double velocity,
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G4double LaboratoryTimeOfFlight = 0.0,
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G4double ProperTimeOfFlight = 0.0,
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const G4ThreeVector* pPolarization = nullptr,
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G4double PDGspin = -1.0 );
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G4FieldTrack( const G4ThreeVector& pPosition,
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const G4ThreeVector& pMomentumDirection,
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G4double curve_length,
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G4double kineticEnergy,
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const G4double restMass_c2,
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G4double velocity,
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G4double LaboratoryTimeOfFlight = 0.0,
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G4double ProperTimeOfFlight = 0.0,
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const G4ThreeVector* pPolarization = nullptr,
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G4double PDGspin = -1.0 );
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// Older constructor
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// ---> Misses charge !!!
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/**
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* Empty init constructor.
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*/
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G4FieldTrack( char );
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~G4FieldTrack() = default;
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// Destructor
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/**
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* Default Destructor.
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*/
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~G4FieldTrack() = default;
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inline G4FieldTrack( const G4FieldTrack& pFieldTrack );
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inline G4FieldTrack& operator= ( const G4FieldTrack& rStVec );
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// Copy constructor & Assignment operator
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/**
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* Copy constructor and assignment operator.
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*/
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inline G4FieldTrack( const G4FieldTrack& pFieldTrack );
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inline G4FieldTrack& operator= ( const G4FieldTrack& rStVec );
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inline G4FieldTrack(G4FieldTrack&& from) noexcept ;
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inline G4FieldTrack& operator=(G4FieldTrack&& from) noexcept ;
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// Move constructor & operator
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/**
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* Move constructor and move assignment operator.
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*/
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inline G4FieldTrack(G4FieldTrack&& from) noexcept ;
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inline G4FieldTrack& operator=(G4FieldTrack&& from) noexcept ;
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inline void UpdateState( const G4ThreeVector& pPosition,
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G4double LaboratoryTimeOfFlight,
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const G4ThreeVector& pMomentumDirection,
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G4double kineticEnergy);
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// Update four-vectors for space/time and momentum/energy
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// Also resets curve length.
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/**
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* Streaming operator.
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*/
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friend std::ostream& operator<<(std::ostream& os, const G4FieldTrack& SixVec);
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inline void UpdateFourMomentum( G4double kineticEnergy,
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const G4ThreeVector& momentumDirection );
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// Update momentum (and direction), and kinetic energy
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/**
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* Updates four-vectors for space/time and momentum/energy, also
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* resets the curve length.
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* @param[in] pPosition Position in Cartesian coordinates.
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* @param[in] LaboratoryTimeOfFlight Laboratory time of flight value.
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* @param[in] pMomentumDirection Direction vector.
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* @param[in] kineticEnergy Kinetic energy value.
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*/
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inline void UpdateState( const G4ThreeVector& pPosition,
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G4double LaboratoryTimeOfFlight,
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const G4ThreeVector& pMomentumDirection,
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G4double kineticEnergy);
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void SetChargeAndMoments(G4double charge,
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G4double magnetic_dipole_moment = DBL_MAX,
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G4double electric_dipole_moment = DBL_MAX,
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G4double magnetic_charge = DBL_MAX );
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// Set the charges and moments that are not given as DBL_MAX
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/**
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* Updates momentum, direction and kinetic energy.
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* @param[in] kineticEnergy Kinetic energy value.
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* @param[in] pMomentumDirection Direction vector.
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*/
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inline void UpdateFourMomentum( G4double kineticEnergy,
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const G4ThreeVector& momentumDirection );
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inline void SetPDGSpin(G4double pdgSpin);
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inline G4double GetPDGSpin();
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/**
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* Sets the charges and moments that are not given as DBL_MAX.
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* @param[in] charge Charge value.
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* @param[in] magnetic_dipole_moment M agnetic dipole moment.
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* @param[in] electric_dipole_moment Electric dipole moment.
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* @param[in] magnetic_charge Magnetic charge.
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*/
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void SetChargeAndMoments(G4double charge,
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G4double magnetic_dipole_moment = DBL_MAX,
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G4double electric_dipole_moment = DBL_MAX,
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G4double magnetic_charge = DBL_MAX );
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inline G4ThreeVector GetMomentum() const;
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inline G4ThreeVector GetPosition() const;
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inline const G4ThreeVector& GetMomentumDir() const;
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inline G4ThreeVector GetMomentumDirection() const;
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inline G4double GetCurveLength() const;
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// Distance along curve of point.
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/**
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* Setter and getter for PDG spin.
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*/
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inline void SetPDGSpin(G4double pdgSpin);
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inline G4double GetPDGSpin();
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inline G4ThreeVector GetPolarization() const;
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inline void SetPolarization( const G4ThreeVector& vecPol );
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/**
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* Accessors.
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*/
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inline G4ThreeVector GetMomentum() const;
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inline G4ThreeVector GetPosition() const;
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inline const G4ThreeVector& GetMomentumDir() const;
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inline G4ThreeVector GetMomentumDirection() const;
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inline G4double GetCurveLength() const;
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inline const G4ChargeState* GetChargeState() const;
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inline G4double GetLabTimeOfFlight() const;
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inline G4double GetProperTimeOfFlight() const;
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inline G4double GetKineticEnergy() const;
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inline G4double GetCharge() const;
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inline G4double GetRestMass() const;
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inline const G4ChargeState* GetChargeState() const;
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inline G4double GetLabTimeOfFlight() const;
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inline G4double GetProperTimeOfFlight() const;
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inline G4double GetKineticEnergy() const;
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inline G4double GetCharge() const;
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inline G4double GetRestMass() const;
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// Accessors.
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/**
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* Getter and setter for polarisation.
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*/
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inline G4ThreeVector GetPolarization() const;
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inline void SetPolarization( const G4ThreeVector& vecPol );
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inline void SetPosition(const G4ThreeVector& nPos);
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inline void SetMomentum(const G4ThreeVector& nMomDir);
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// Does change mom-dir too.
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/**
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* Setters for momentum. SetMomentumDir() does not change momentum
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* or Velocity Vector.
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*/
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inline void SetMomentum(const G4ThreeVector& nMomDir);
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inline void SetMomentumDir(const G4ThreeVector& nMomDir);
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inline void SetMomentumDir(const G4ThreeVector& nMomDir);
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// Does NOT change Momentum or Velocity Vector.
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/**
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* Modifiers.
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*/
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inline void SetPosition(const G4ThreeVector& nPos);
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inline void SetRestMass(G4double Mass_c2);
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inline void SetCurveLength(G4double nCurve_s); // Distance along curve.
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inline void SetKineticEnergy(G4double nEnergy); // Does not modify momentum.
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inline void SetLabTimeOfFlight(G4double tofLab);
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inline void SetProperTimeOfFlight(G4double tofProper);
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inline void SetRestMass(G4double Mass_c2);
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inline void SetCurveLength(G4double nCurve_s);
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// Distance along curve.
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inline void SetKineticEnergy(G4double nEnergy);
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// Does not modify momentum.
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enum { ncompSVEC = 12 }; // Needed; should be used only for RK integration driver
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inline void SetLabTimeOfFlight(G4double tofLab);
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inline void SetProperTimeOfFlight(G4double tofProper);
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// Modifiers
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/**
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* Dumps/loads values to/from a provided array 'valArray'.
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*/
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inline void DumpToArray(G4double valArr[ncompSVEC]) const;
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void LoadFromArray(const G4double valArr[ncompSVEC],
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G4int noVarsIntegrated);
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public: // without description
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/**
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* More setters/getter foe spin, now obsolete.
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*/
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inline void InitialiseSpin( const G4ThreeVector& vecPolarization );
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inline G4ThreeVector GetSpin() const;
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inline void SetSpin(const G4ThreeVector& vSpin);
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enum { ncompSVEC = 12 };
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// Needed and should be used only for RK integration driver
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private:
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inline void DumpToArray(G4double valArr[ncompSVEC]) const;
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void LoadFromArray(const G4double valArr[ncompSVEC],
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G4int noVarsIntegrated);
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friend std::ostream&
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operator<<( std::ostream& os, const G4FieldTrack& SixVec);
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/**
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* Implementation method. Obsolete.
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*/
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inline G4FieldTrack& SetCurvePnt(const G4ThreeVector& pPosition,
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const G4ThreeVector& pMomentum,
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G4double s_curve );
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private:
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public: // Obsolete methods -- due to potential confusion with PDG spin
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inline void InitialiseSpin( const G4ThreeVector& vecPolarization );
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inline G4ThreeVector GetSpin() const;
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inline void SetSpin(const G4ThreeVector& vSpin);
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private: // Implementation method -- Obsolete
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inline G4FieldTrack& SetCurvePnt(const G4ThreeVector& pPosition,
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const G4ThreeVector& pMomentum,
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G4double s_curve );
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private:
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G4double SixVector[6];
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G4double fDistanceAlongCurve; // distance along curve of point
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G4double fKineticEnergy;
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G4double fRestMass_c2;
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G4double fLabTimeOfFlight;
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G4double fProperTimeOfFlight;
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G4ThreeVector fPolarization;
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G4ThreeVector fMomentumDir;
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// G4double fInitialMomentumMag; // At 'track' creation.
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// G4double fLastMomentumMag; // From last Update (for checking.)
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G4ChargeState fChargeState;
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G4double SixVector[6];
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G4double fDistanceAlongCurve; // distance along curve of point
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G4double fKineticEnergy;
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G4double fRestMass_c2;
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G4double fLabTimeOfFlight;
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G4double fProperTimeOfFlight;
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G4ThreeVector fPolarization;
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G4ThreeVector fMomentumDir;
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G4ChargeState fChargeState;
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};
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#include "G4FieldTrack.icc"
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