Gabriele Cosmo
450 lines
14 KiB
C++
450 lines
14 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: G4Track.hh,v 2.4 1998/11/18 11:06:34 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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// G4Track.hh
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//
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// Description:
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// This class represents the partilce under tracking.
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// It includes information related to tracking for examples:
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// 1) current position/time of the particle,
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// 2) static particle information,
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// 3) the pointer to the physical volume where currently
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// the particle exists,
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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 G4Track_h
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#define G4Track_h 1
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#include "globals.hh" // Include from 'global'
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#include "G4ThreeVector.hh" // Include from 'geometry'
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#include "G4LogicalVolume.hh" // Include from 'geometry'
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#include "G4VPhysicalVolume.hh" // Include from 'geometry'
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#include "G4Allocator.hh" // Include from 'particle+matter'
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#include "G4DynamicParticle.hh" // Include from 'particle+matter'
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#include "G4TrackStatus.hh" // Include from 'tracking'
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#include "G4VTouchable.hh" // Include from 'geometry'
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#include "G4Material.hh"
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class G4Step; // Forward declaration
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//////////////
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class G4Track
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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/Destrcutor
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G4Track();
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G4Track(G4DynamicParticle* apValueDynamicParticle,
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G4double aValueTime,
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const G4ThreeVector& aValuePosition);
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// aValueTime is a global time
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~G4Track();
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// Operators
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inline void *operator new(size_t);
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// Override "new" for "G4Allocator".
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inline void operator delete(void *aTrack);
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// Override "delete" for "G4Allocator".
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int operator==( const G4Track& s);
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// Define "==" operator because "G4TrackVector" uses
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//"RWPtrOrderdVector" which requires this.
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// Get/Set functions
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const G4ThreeVector& GetPosition() const;
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void SetPosition(const G4ThreeVector& aValue);
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G4double GetGlobalTime() const;
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void SetGlobalTime(const G4double aValue);
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// Time since the event in which the track belongs is created.
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G4double GetLocalTime() const;
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void SetLocalTime(const G4double aValue);
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// Time since the current track is created.
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G4double GetProperTime() const;
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void SetProperTime(const G4double aValue);
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// Proper time of the current track
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G4double GetTrackLength() const;
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void AddTrackLength(const G4double aValue);
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// Accumulated the track length
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G4int GetParentID() const;
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void SetParentID(const G4int aValue);
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G4int GetTrackID() const;
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void SetTrackID(const G4int aValue);
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G4VPhysicalVolume* GetVolume() const;
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G4VPhysicalVolume* GetNextVolume() const;
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G4Material* GetMaterial() const;
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G4Material* GetNextMaterial() const;
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G4VTouchable* GetTouchable() const;
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void SetTouchable(G4VTouchable* apValue);
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G4VTouchable* GetNextTouchable() const;
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void SetNextTouchable(G4VTouchable* apValue);
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G4double GetKineticEnergy() const;
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void SetKineticEnergy(const G4double aValue);
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G4double GetVelocity() const;
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const G4ThreeVector& GetMomentumDirection() const;
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void SetMomentumDirection(const G4ThreeVector& aValue);
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const G4ThreeVector& GetPolarization() const;
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void SetPolarization(const G4ThreeVector& aValue);
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G4TrackStatus GetTrackStatus() const;
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void SetTrackStatus(const G4TrackStatus aTrackStatus);
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G4bool IsBelowThreshold() const;
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void SetBelowThresholdFlag(G4bool value = true);
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G4bool IsGoodForTracking() const;
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void SetGoodForTrackingFlag(G4bool value = true);
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G4int GetCurrentStepNumber() const;
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void IncrementCurrentStepNumber();
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G4double GetTotalEnergy() const;
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G4ThreeVector GetMomentum() const;
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const G4DynamicParticle* GetDynamicParticle() const;
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G4ParticleDefinition* GetDefinition() const;
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G4double GetStepLength() const;
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void SetStepLength(G4double value);
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G4Step* GetStep() const;
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void SetStep(G4Step* aValue);
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const G4ThreeVector& GetVertexPosition() const;
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void SetVertexPosition(const G4ThreeVector& aValue);
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const G4ThreeVector& GetVertexMomentumDirection() const;
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void SetVertexMomentumDirection(const G4ThreeVector& aValue);
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G4double GetVertexKineticEnergy() const;
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void SetVertexKineticEnergy(const G4double aValue);
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G4LogicalVolume* GetLogicalVolumeAtVertex() const;
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void SetLogicalVolumeAtVertex(G4LogicalVolume* );
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const G4VProcess* GetCreatorProcess() const;
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void SetCreatorProcess(G4VProcess* aValue);
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G4double GetWeight() const;
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void SetWeight(G4double aValue);
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//---------
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private:
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//---------
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// Member data
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G4int fCurrentStepNumber; // Total steps number up to now
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G4ThreeVector fPosition; // Current positon
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G4double fGlobalTime; // Time since the event is created
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G4double fLocalTime; // Time since the track is created
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G4double fTrackLength; // Accumulated track length
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G4int fParentID;
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G4int fTrackID;
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G4VTouchable* fpTouchable;
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G4VTouchable* fpNextTouchable;
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G4DynamicParticle* fpDynamicParticle;
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G4TrackStatus fTrackStatus;
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G4bool fBelowThreshold;
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// This flag is set to true if this track energy is below
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// threshold energy in this material determined by the range cut value
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G4bool fGoodForTracking;
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// This flag is set by processes if this track should be tracked
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// even if the energy is below threshold
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G4double fStepLength;
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// Before the end of the AlongStepDoIt loop, this keeps the initial
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// Step length which is determined by the shortest geometrical Step
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// proposed by a physics process. After finishing the AlongStepDoIt,
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// this will be set equal to 'StepLength' in G4Step.
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G4double fWeight;
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// This is a weight for this track used by G4VEvtBiasMechanism
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// to execute inclusive simulation for hadronic/electomagnetic shower
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// and neutron transportation etc.
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G4Step* fpStep;
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G4ThreeVector fVtxPosition; // (x,y,z) of the vertex
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G4ThreeVector fVtxMomentumDirection; // Momentum direction at the vertex
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G4double fVtxKineticEnergy; // Kinetic energy at the vertex
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G4LogicalVolume* fpLVAtVertex; //Logical Volume at the vertex
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G4VProcess* fpCreatorProcess; // Process which created the track
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};
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//-----------------------------------------------------------------
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// Definitions of inline functions
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//-----------------------------------------------------------------
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// Operators
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extern G4Allocator<G4Track> aTrackAllocator;
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inline void* G4Track::operator new(size_t)
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{ void *aTrack;
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aTrack = (void *) aTrackAllocator.MallocSingle();
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return aTrack;
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}
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// Override "new" for "G4Allocator".
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inline void G4Track::operator delete(void *aTrack)
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{ aTrackAllocator.FreeSingle((G4Track *) aTrack);}
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// Override "delete" for "G4Allocator".
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inline int G4Track::operator==( const G4Track& s)
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{ return (this==&s) ? 1 : 0; }
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// Define "==" operator because "G4TrackVector" uses
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// "RWPtrOrderdVector" which requires this.
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// Get/Set functions
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inline const G4ThreeVector& G4Track::GetPosition() const
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{ return fPosition; }
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inline void G4Track::SetPosition(const G4ThreeVector& aValue)
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{ fPosition = aValue; }
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inline G4double G4Track::GetGlobalTime() const
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{ return fGlobalTime; }
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inline void G4Track::SetGlobalTime(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 G4Track::GetLocalTime() const
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{ return fLocalTime; }
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inline void G4Track::SetLocalTime(const G4double aValue)
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{ fLocalTime = aValue; }
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// Time since the current track is created.
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inline G4double G4Track::GetProperTime() const
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{ return fpDynamicParticle->GetProperTime(); }
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inline void G4Track::SetProperTime(const G4double aValue)
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{ fpDynamicParticle->SetProperTime(aValue); }
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// Proper time of the current track
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inline G4double G4Track::GetTrackLength() const
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{ return fTrackLength; }
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inline void G4Track::AddTrackLength(const G4double aValue)
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{ fTrackLength += aValue; }
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// Accumulated track length
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inline G4int G4Track::GetParentID() const
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{ return fParentID; }
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inline void G4Track::SetParentID(const G4int aValue)
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{ fParentID = aValue; }
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inline G4int G4Track::GetTrackID() const
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{ return fTrackID; }
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inline void G4Track::SetTrackID(const G4int aValue)
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{ fTrackID = aValue; }
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inline G4VPhysicalVolume* G4Track::GetVolume() const
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{ return fpTouchable->GetVolume(); }
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inline G4VPhysicalVolume* G4Track::GetNextVolume() const
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{ return fpNextTouchable->GetVolume(); }
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inline G4Material* G4Track::GetMaterial() const
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{ return fpTouchable->GetVolume()->GetLogicalVolume()->GetMaterial(); }
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inline G4Material* G4Track::GetNextMaterial() const
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{ return fpNextTouchable->GetVolume()->GetLogicalVolume()->GetMaterial(); }
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inline G4VTouchable* G4Track::GetTouchable() const
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{ return fpTouchable; }
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inline void G4Track::SetTouchable(G4VTouchable* apValue)
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{ fpTouchable = apValue; }
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inline G4VTouchable* G4Track::GetNextTouchable() const
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{ return fpNextTouchable; }
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inline void G4Track::SetNextTouchable(G4VTouchable* apValue)
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{ fpNextTouchable = apValue; }
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inline G4double G4Track::GetKineticEnergy() const
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{ return fpDynamicParticle->GetKineticEnergy(); }
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inline void G4Track::SetKineticEnergy(const G4double aValue)
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{ fpDynamicParticle->SetKineticEnergy(aValue); }
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inline G4double G4Track::GetVelocity() const
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{
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G4double velocity ;
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G4double mass = fpDynamicParticle->GetMass();
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if( mass == 0. )
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{
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velocity = c_light ;
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if((fpDynamicParticle->GetDefinition()->GetParticleName() ==
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"gamma")
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||
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(fpDynamicParticle->GetDefinition()->GetParticleName() ==
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"opticalphoton"))
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{
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G4Material*
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mat=fpTouchable->GetVolume()->GetLogicalVolume()->GetMaterial();
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if(mat->GetMaterialPropertiesTable() != NULL)
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{
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if(mat->GetMaterialPropertiesTable()->GetProperty("RINDEX") != NULL )
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velocity /=
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mat->GetMaterialPropertiesTable()->GetProperty("RINDEX")->
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GetMinProperty() ;
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}
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}
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}
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else
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{
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G4double T = fpDynamicParticle->GetKineticEnergy();
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velocity = c_light*sqrt(T*(T+2.*mass))/(T+mass) ;
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}
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return velocity ;
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}
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inline const G4ThreeVector& G4Track::GetMomentumDirection() const
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{ return fpDynamicParticle->GetMomentumDirection(); }
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inline void G4Track::SetMomentumDirection(const G4ThreeVector& aValue)
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{ fpDynamicParticle->SetMomentumDirection(aValue) ;}
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inline const G4ThreeVector& G4Track::GetPolarization() const
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{ return fpDynamicParticle->GetPolarization(); }
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inline void G4Track::SetPolarization(const G4ThreeVector& aValue)
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{ fpDynamicParticle->SetPolarization(aValue.x(),
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aValue.y(),
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aValue.z()); }
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inline G4TrackStatus G4Track::GetTrackStatus() const
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{ return fTrackStatus; }
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inline void G4Track::SetTrackStatus(const G4TrackStatus aTrackStatus)
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{ fTrackStatus = aTrackStatus; }
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inline G4int G4Track::GetCurrentStepNumber() const
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{ return fCurrentStepNumber; }
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inline void G4Track::IncrementCurrentStepNumber()
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{ fCurrentStepNumber++; }
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inline G4double G4Track::GetTotalEnergy() const
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{ return fpDynamicParticle->GetTotalEnergy(); }
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inline G4ThreeVector G4Track::GetMomentum() const
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{ return fpDynamicParticle->GetMomentum(); }
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inline const G4DynamicParticle* G4Track::GetDynamicParticle() const
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{ return fpDynamicParticle; }
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inline G4ParticleDefinition* G4Track::GetDefinition() const
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{ return fpDynamicParticle->GetDefinition(); }
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inline G4double G4Track::GetStepLength() const
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{ return fStepLength; }
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inline void G4Track::SetStepLength(G4double value)
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{ fStepLength = value; }
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inline const G4ThreeVector& G4Track::GetVertexPosition() const
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{ return fVtxPosition; }
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inline void G4Track::SetVertexPosition(const G4ThreeVector& aValue)
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{ fVtxPosition = aValue; }
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inline const G4ThreeVector& G4Track::GetVertexMomentumDirection() const
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{ return fVtxMomentumDirection; }
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inline void G4Track::SetVertexMomentumDirection(const G4ThreeVector& aValue)
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{ fVtxMomentumDirection = aValue ;}
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inline G4double G4Track::GetVertexKineticEnergy() const
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{ return fVtxKineticEnergy; }
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inline void G4Track::SetVertexKineticEnergy(const G4double aValue)
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{ fVtxKineticEnergy = aValue; }
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inline G4LogicalVolume* G4Track::GetLogicalVolumeAtVertex() const
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{ return fpLVAtVertex; }
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inline void G4Track::SetLogicalVolumeAtVertex(G4LogicalVolume* aValue)
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{ fpLVAtVertex = aValue; }
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inline const G4VProcess* G4Track::GetCreatorProcess() const
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{ return fpCreatorProcess; }
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// If the pointer is NULL, this means the track is created
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// by the event generator, i.e. the primary track.If it is not
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// NULL, it points to the process which created this track.
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inline void G4Track::SetCreatorProcess(G4VProcess* aValue)
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{ fpCreatorProcess = aValue; }
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inline G4bool G4Track::IsBelowThreshold() const
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{ return fBelowThreshold; }
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inline void G4Track::SetBelowThresholdFlag(G4bool value)
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{ fBelowThreshold = value; }
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inline G4bool G4Track::IsGoodForTracking() const
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{ return fGoodForTracking; }
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inline void G4Track::SetGoodForTrackingFlag(G4bool value)
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{ fGoodForTracking = value; }
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inline void G4Track::SetWeight(G4double aValue)
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{ fWeight = aValue; }
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inline G4double G4Track::GetWeight() const
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{ return fWeight; }
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//-------------------------------------------------------------
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// To implement bi-directional association between G4Step and
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// and G4Track, a combined usage of 'forward declaration' and
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// 'include' is necessary.
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//-------------------------------------------------------------
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#include "G4Step.hh"
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inline G4Step* G4Track::GetStep() const
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{ return fpStep; }
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inline void G4Track::SetStep(G4Step* aValue)
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{ fpStep = aValue; }
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#endif
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