Gabriele Cosmo
219 lines
6.6 KiB
C++
219 lines
6.6 KiB
C++
// This code implementation is the intellectual property of
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// the RD44 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: G4StepPoint.hh,v 2.4 1998/11/18 11:06:32 kurasige Exp $
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// GEANT4 tag $Name: geant4-00 $
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//
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//
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//---------------------------------------------------------------
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//
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// G4StepPoint.hh
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//
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// Description:
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// This class represents information associated with the
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// each end of a Step like the space/time data of the
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// particle.
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//
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// Contact:
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// Questions and comments to this code should be sent to
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// Katsuya Amako (e-mail: Katsuya.Amako@kek.jp)
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// Takashi Sasaki (e-mail: Takashi.Sasaki@kek.jp)
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//
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// ---------------------------------------------------------------
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#ifndef G4StepPoint_h
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#define G4StepPoint_h 1
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#include "globals.hh" // Include from 'global'
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#include "G4Allocator.hh" // Include from 'global'
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#include "G4ThreeVector.hh" // Include from 'geometry'
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#include "G4VPhysicalVolume.hh" // Include from 'geometry'
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class G4VProcess;
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#include "G4SteppingControl.hh"
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#include "G4StepStatus.hh" // Include from 'track'
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#include "G4VTouchable.hh" // Include from 'geometry'
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#include "G4Material.hh"
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#include "G4LogicalVolume.hh"
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/////////////////
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class G4StepPoint
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/////////////////
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{
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//--------
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public:
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//--------
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// Constructor/Destructor
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G4StepPoint();
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~G4StepPoint();
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// Get/Set functions
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inline const G4ThreeVector& GetPosition() const
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{ return fPosition; }
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inline void SetPosition(const G4ThreeVector& aValue)
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{ fPosition = aValue; }
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inline void AddPosition(const G4ThreeVector& aValue)
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{ fPosition += aValue; }
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inline G4double GetLocalTime() const
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{ return fLocalTime; }
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inline void SetLocalTime(const G4double aValue)
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{ fLocalTime = aValue; }
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inline void AddLocalTime(const G4double aValue)
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{ fLocalTime += aValue; }
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// Time since the track is created.
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inline G4double GetGlobalTime() const
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{ return fGlobalTime; }
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inline void SetGlobalTime(const G4double aValue)
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{ fGlobalTime = aValue; }
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inline void AddGlobalTime(const G4double aValue)
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{ fGlobalTime += aValue; }
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// Time since the event in which the track belongs is created.
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inline G4double GetProperTime() const
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{ return fProperTime; }
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inline void SetProperTime(const G4double aValue)
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{ fProperTime = aValue; }
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inline void AddProperTime(const G4double aValue)
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{ fProperTime += aValue; }
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// Proper time of the particle.
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inline const G4ThreeVector& GetMomentumDirection() const
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{ return fMomentumDirection; }
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inline void SetMomentumDirection(const G4ThreeVector& aValue)
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{ fMomentumDirection = aValue;
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}
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inline void AddMomentumDirection(const G4ThreeVector& aValue)
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{ fMomentumDirection += aValue;
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}
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inline G4ThreeVector GetMomentum() const
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{
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G4double tMomentum = sqrt(fKineticEnergy*fKineticEnergy +
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2*fKineticEnergy*fMass);
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return G4ThreeVector(fMomentumDirection.x()*tMomentum,
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fMomentumDirection.y()*tMomentum,
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fMomentumDirection.z()*tMomentum);
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}
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inline G4double GetTotalEnergy() const
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{
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return fKineticEnergy + fMass;
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}
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inline G4double GetKineticEnergy() const
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{ return fKineticEnergy; }
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inline void SetKineticEnergy(const G4double aValue)
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{ fKineticEnergy = aValue; }
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inline void AddKineticEnergy(const G4double aValue)
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{ fKineticEnergy += aValue; }
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// This velocity is the velocity as if in vacuum.
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// (So it is not corrected for the refraction index
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// in the case of photons - optical or X-rays.)
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// In order to get the velocity in the material, use
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// GetVelocity of G4Track.
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//
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inline G4double GetVelocity() const
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{
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if(fMass==0.){
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return c_light;
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}
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else{
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G4double tMomentum = sqrt(fKineticEnergy*fKineticEnergy +
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2.0*fKineticEnergy*fMass);
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G4double tTotalEnergy = fKineticEnergy + fMass;
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return tMomentum/tTotalEnergy*c_light;
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}
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}
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inline G4VPhysicalVolume* GetPhysicalVolume()
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{ return fpTouchable->GetVolume(); }
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inline G4VTouchable* GetTouchable() const
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{ return fpTouchable; }
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inline void SetTouchable(G4VTouchable* apValue)
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{ fpTouchable = apValue; }
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inline G4double GetSafety() const
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{ return fSafety; }
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inline void SetSafety(const G4double aValue)
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{ fSafety = aValue; }
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inline const G4ThreeVector& GetPolarization() const
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{ return fPolarization; }
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inline void SetPolarization(const G4ThreeVector& aValue)
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{ fPolarization = aValue; }
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inline void AddPolarization(const G4ThreeVector& aValue)
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{ fPolarization += aValue; }
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inline G4StepStatus GetStepStatus() const
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{ return fStepStatus; }
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inline void SetStepStatus(const G4StepStatus aValue)
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{ fStepStatus = aValue; }
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inline const G4VProcess* GetProcessDefinedStep() const
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{ return fpProcessDefinedStep; }
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// If the pointer is NULL, this means the Step is defined
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// by the user defined limit in the current volume.
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inline void SetProcessDefinedStep(G4VProcess* aValue)
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{ fpProcessDefinedStep = aValue; }
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inline G4double GetGamma() const
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{ return (fMass==0.) ? DBL_MAX : (fKineticEnergy+fMass)/fMass; }
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inline G4double GetBeta() const
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{ return (fMass==0.) ?
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1.0 :
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sqrt(fKineticEnergy*fKineticEnergy + 2.0*fKineticEnergy*fMass)
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/(fKineticEnergy+fMass); }
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inline G4double GetMass() const
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{ return fMass; }
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inline void SetMass(G4double value)
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{ fMass = value; }
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inline G4Material* GetMaterial()
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{ return fpTouchable->GetVolume()->GetLogicalVolume()->GetMaterial(); }
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inline void SetWeight(G4double aValue)
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{ fWeight = aValue; }
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inline G4double GetWeight() const
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{ return fWeight; }
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//---------
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private:
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//---------
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// Member data
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G4ThreeVector fPosition;
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G4double fGlobalTime;
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// Time since event is created
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G4double fLocalTime;
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// Time since track is created
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G4double fProperTime;
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// Time since track is created (in rest frame of particle)
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G4ThreeVector fMomentumDirection;
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G4double fKineticEnergy;
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G4VTouchable* fpTouchable;
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G4double fSafety;
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G4ThreeVector fPolarization;
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G4StepStatus fStepStatus;
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// DoIt type which defined the current Step.
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G4VProcess* fpProcessDefinedStep;
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// Process which defined the current Step.
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G4double fMass;
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// Dynamical mass of the particle
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G4double fWeight;
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};
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#endif
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