Gabriele Cosmo
113 lines
4.0 KiB
C++
113 lines
4.0 KiB
C++
// This code implementation is the intellectual property of
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// the GEANT4 collaboration.
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//
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// By copying, distributing or modifying the Program (or any work
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// based on the Program) you indicate your acceptance of this statement,
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// and all its terms.
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//
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// $Id: G4FieldTrack.hh,v 1.1.10.1 1999/12/07 20:48:00 gunter Exp $
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// GEANT4 tag $Name: geant4-01-00 $
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//
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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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// 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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//
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// First version: Oct 14, 1996 John Apostolakis
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// Modified: Oct 24, 1996 JA: Added dist_on_curve, deleted constructor
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// Nov 5, 1998 JA: Added energy, momentum, TOF, spin
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// & several constructor, access, set methods
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//
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//
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#ifndef G4FieldTrack_HH
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#define G4FieldTrack_HH
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#include "G4ThreeVector.hh"
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class G4FieldTrack{
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public:
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// Constructors
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G4FieldTrack( const G4ThreeVector& pPosition,
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const G4ThreeVector& pVelocity, // Or UnitVelocity
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const G4double curve_length,
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const G4double Energy,
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const G4double LabratTimeOfFlight=0.0,
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const G4double ProperTimeOfFlight=0.0,
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const G4ThreeVector* pSpin=0);
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G4FieldTrack( const G4FieldTrack& pFieldTrack );
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// Destructor
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~G4FieldTrack();
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// Equality operator
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G4FieldTrack& operator = ( const G4FieldTrack & rStVec );
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// Old multi-set method
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inline G4FieldTrack& SetCurvePnt(
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const G4ThreeVector& pPosition,
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const G4ThreeVector& pVelocity,
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const G4double s_curve );
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// Access Methods: ("Const")
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G4ThreeVector Position() const; // Renamed to GetPosition
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G4ThreeVector GetVelocity() const;
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G4double CurveS() const; // distance along curve of point
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// Old methods above to be deleted.
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G4ThreeVector GetPosition() const;
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const G4ThreeVector& GetMomentumDir() const;
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G4double GetCurveLength() const; // distance along curve of point
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// G4double GetEnergy() const; // Wrong Energy --> FIXME
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G4double GetMomentumModulus() const;
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G4ThreeVector GetSpin() const;
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G4double GetLabTimeOfFlight() const;
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G4double GetProperTimeOfFlight() const;
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// Modifiers
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void SetPosition(G4ThreeVector nPos);
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void SetVelocity(G4ThreeVector nMomDir); // does change mom-dir too
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void SetMomentumDir(G4ThreeVector nMomDir); // does NOT change velocity
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void SetCurveLength(G4double nCurve_s); // distance along curve
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void SetEnergy(G4double nEnergy); // does not modify momentum
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void SetMomentumModulus(G4double nMomentumMod); // does not modify energy
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void SetSpin(G4ThreeVector nSpin);
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void SetLabTimeOfFlight(G4double nTOF);
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void SetProperTimeOfFlight(G4double nTOF);
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// older one:
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void SetCurveS(G4double new_curve_s);
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// G4double* PosVelVec(); // [6] Needed for RK integrator
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// This old method completely broke encapsulation ?
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// Needed and should be used only for RK integration driver
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// static const G4int ncompSVEC=15;
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enum { ncompSVEC = 16 };
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void DumpToArray( G4double valArr[ncompSVEC] ) const;
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void LoadFromArray( const G4double valArr[ncompSVEC] );
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friend ostream& operator<<( ostream& os, G4FieldTrack& SixVec);
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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 fEnergy;
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G4double fLabTimeOfFlight;
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G4double fProperTimeOfFlight;
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G4double fMomentumModulus;
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G4ThreeVector fSpin;
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G4ThreeVector fMomentumDir;
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};
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#include "G4FieldTrack.icc"
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#endif /* End of ifndef G4FieldTrack_HH */
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// Rename:
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//
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// s/distance_along_curve/fDistanceAlongCurve/g;
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// s/SixVector/fSixVector/g;
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// s/G4SixVector/G4FieldTrack/g;
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