Gabriele Cosmo
311 lines
9.9 KiB
C++
311 lines
9.9 KiB
C++
//
|
|
// ********************************************************************
|
|
// * License and Disclaimer *
|
|
// * *
|
|
// * The Geant4 software is copyright of the Copyright Holders of *
|
|
// * the Geant4 Collaboration. It is provided under the terms and *
|
|
// * conditions of the Geant4 Software License, included in the file *
|
|
// * LICENSE and available at http://cern.ch/geant4/license . These *
|
|
// * include a list of copyright holders. *
|
|
// * *
|
|
// * Neither the authors of this software system, nor their employing *
|
|
// * institutes,nor the agencies providing financial support for this *
|
|
// * work make any representation or warranty, express or implied, *
|
|
// * regarding this software system or assume any liability for its *
|
|
// * use. Please see the license in the file LICENSE and URL above *
|
|
// * for the full disclaimer and the limitation of liability. *
|
|
// * *
|
|
// * This code implementation is the result of the scientific and *
|
|
// * technical work of the GEANT4 collaboration. *
|
|
// * By using, copying, modifying or distributing the software (or *
|
|
// * any work based on the software) you agree to acknowledge its *
|
|
// * use in resulting scientific publications, and indicate your *
|
|
// * acceptance of all terms of the Geant4 Software license. *
|
|
// ********************************************************************
|
|
//
|
|
//
|
|
// $Id: G4ParticleChangeForLoss.hh,v 1.19 2006/08/28 16:10:06 vnivanch Exp $
|
|
// GEANT4 tag $Name: geant4-09-00 $
|
|
//
|
|
//
|
|
// ------------------------------------------------------------
|
|
// GEANT 4 class header file
|
|
//
|
|
//
|
|
// ------------------------------------------------------------
|
|
// Implemented for the new scheme 23 Mar. 1998 H.Kurahige
|
|
//
|
|
// Modified:
|
|
// 16.01.04 V.Ivanchenko update for model variant of energy loss
|
|
// 15.04.05 V.Ivanchenko inline update methods
|
|
// 30.01.06 V.Ivanchenko add ProposedMomentumDirection for AlongStep
|
|
// and ProposeWeight for PostStep
|
|
// 07.06.06 V.Ivanchenko RemoveProposedMomentumDirection from AlongStep
|
|
// 28.08.06 V.Ivanchenko Add access to current track and polarizaion
|
|
//
|
|
// ------------------------------------------------------------
|
|
//
|
|
// Class Description
|
|
// This class is a concrete class for ParticleChange for EnergyLoss
|
|
//
|
|
#ifndef G4ParticleChangeForLoss_h
|
|
#define G4ParticleChangeForLoss_h 1
|
|
|
|
#include "globals.hh"
|
|
#include "G4ios.hh"
|
|
#include "G4VParticleChange.hh"
|
|
|
|
class G4DynamicParticle;
|
|
|
|
class G4ParticleChangeForLoss: public G4VParticleChange
|
|
{
|
|
public:
|
|
// default constructor
|
|
G4ParticleChangeForLoss();
|
|
|
|
// destructor
|
|
virtual ~G4ParticleChangeForLoss();
|
|
|
|
// with description
|
|
// ----------------------------------------------------
|
|
// --- the following methods are for updating G4Step -----
|
|
|
|
G4Step* UpdateStepForAlongStep(G4Step* Step);
|
|
G4Step* UpdateStepForPostStep(G4Step* Step);
|
|
// A physics process gives the final state of the particle
|
|
// based on information of G4Track
|
|
|
|
void InitializeForAlongStep(const G4Track&);
|
|
void InitializeForPostStep(const G4Track&);
|
|
//Initialize all propoerties by using G4Track information
|
|
|
|
void AddSecondary(G4DynamicParticle* aParticle);
|
|
// Add next secondary
|
|
|
|
G4double GetProposedCharge() const;
|
|
void SetProposedCharge(G4double theCharge);
|
|
// Get/Set theCharge
|
|
|
|
G4double GetCharge() const;
|
|
void ProposeCharge(G4double finalCharge);
|
|
// Get/Propose the final dynamical Charge in G4DynamicParticle
|
|
|
|
G4double GetProposedKineticEnergy() const;
|
|
void SetProposedKineticEnergy(G4double proposedKinEnergy);
|
|
// Get/Set the final kinetic energy of the current particle.
|
|
|
|
const G4ThreeVector& GetProposedMomentumDirection() const;
|
|
void SetProposedMomentumDirection(const G4ThreeVector& dir);
|
|
const G4ThreeVector& GetMomentumDirection() const;
|
|
void ProposeMomentumDirection(G4double Px, G4double Py, G4double Pz);
|
|
void ProposeMomentumDirection(const G4ThreeVector& Pfinal);
|
|
// Get/Propose the MomentumDirection vector: it is the final momentum direction.
|
|
|
|
const G4ThreeVector& GetProposedPolarization() const;
|
|
void ProposePolarization(const G4ThreeVector& dir);
|
|
void ProposePolarization(G4double Px, G4double Py, G4double Pz);
|
|
|
|
const G4Track* GetCurrentTrack() const;
|
|
|
|
virtual void DumpInfo() const;
|
|
|
|
// for Debug
|
|
virtual G4bool CheckIt(const G4Track&);
|
|
|
|
protected:
|
|
// hide copy constructor and assignment operaor as protected
|
|
G4ParticleChangeForLoss(const G4ParticleChangeForLoss &right);
|
|
G4ParticleChangeForLoss & operator=(const G4ParticleChangeForLoss &right);
|
|
|
|
private:
|
|
|
|
const G4Track* currentTrack;
|
|
// The pointer to G4Track
|
|
|
|
G4double proposedKinEnergy;
|
|
// The final kinetic energy of the current particle.
|
|
|
|
G4double currentCharge;
|
|
// The final charge of the current particle.
|
|
|
|
G4ThreeVector proposedMomentumDirection;
|
|
// The final momentum direction of the current particle.
|
|
|
|
G4ThreeVector proposedPolarization;
|
|
// The final polarization of the current particle.
|
|
};
|
|
|
|
// ------------------------------------------------------------
|
|
|
|
inline G4double G4ParticleChangeForLoss::GetProposedKineticEnergy() const
|
|
{
|
|
return proposedKinEnergy;
|
|
}
|
|
|
|
inline void G4ParticleChangeForLoss::SetProposedKineticEnergy(G4double energy)
|
|
{
|
|
proposedKinEnergy = energy;
|
|
}
|
|
|
|
inline G4double G4ParticleChangeForLoss::GetProposedCharge() const
|
|
{
|
|
return currentCharge;
|
|
}
|
|
|
|
inline G4double G4ParticleChangeForLoss::GetCharge() const
|
|
{
|
|
return currentCharge;
|
|
}
|
|
|
|
inline void G4ParticleChangeForLoss::SetProposedCharge(G4double theCharge)
|
|
{
|
|
currentCharge = theCharge;
|
|
}
|
|
|
|
inline void G4ParticleChangeForLoss::ProposeCharge(G4double theCharge)
|
|
{
|
|
currentCharge = theCharge;
|
|
}
|
|
|
|
inline
|
|
const G4ThreeVector& G4ParticleChangeForLoss::GetProposedMomentumDirection() const
|
|
{
|
|
return proposedMomentumDirection;
|
|
}
|
|
|
|
inline
|
|
const G4ThreeVector& G4ParticleChangeForLoss::GetMomentumDirection() const
|
|
{
|
|
return proposedMomentumDirection;
|
|
}
|
|
|
|
inline
|
|
void G4ParticleChangeForLoss::ProposeMomentumDirection(const G4ThreeVector& dir)
|
|
{
|
|
proposedMomentumDirection = dir;
|
|
}
|
|
|
|
inline
|
|
void G4ParticleChangeForLoss::SetProposedMomentumDirection(const G4ThreeVector& dir)
|
|
{
|
|
proposedMomentumDirection = dir;
|
|
}
|
|
|
|
inline
|
|
void G4ParticleChangeForLoss::ProposeMomentumDirection(G4double Px, G4double Py, G4double Pz)
|
|
{
|
|
proposedMomentumDirection.setX(Px);
|
|
proposedMomentumDirection.setY(Py);
|
|
proposedMomentumDirection.setZ(Pz);
|
|
}
|
|
|
|
inline const G4Track* G4ParticleChangeForLoss::GetCurrentTrack() const
|
|
{
|
|
return currentTrack;
|
|
}
|
|
|
|
inline
|
|
const G4ThreeVector& G4ParticleChangeForLoss::GetProposedPolarization() const
|
|
{
|
|
return proposedPolarization;
|
|
}
|
|
|
|
inline
|
|
void G4ParticleChangeForLoss::ProposePolarization(const G4ThreeVector& dir)
|
|
{
|
|
proposedPolarization = dir;
|
|
}
|
|
|
|
inline
|
|
void G4ParticleChangeForLoss::ProposePolarization(G4double Px, G4double Py, G4double Pz)
|
|
{
|
|
proposedPolarization.setX(Px);
|
|
proposedPolarization.setY(Py);
|
|
proposedPolarization.setZ(Pz);
|
|
}
|
|
|
|
inline void G4ParticleChangeForLoss::InitializeForAlongStep(const G4Track& track)
|
|
{
|
|
theStatusChange = track.GetTrackStatus();
|
|
theLocalEnergyDeposit = 0.0;
|
|
InitializeSecondaries(track);
|
|
theParentWeight = track.GetWeight();
|
|
proposedKinEnergy = track.GetKineticEnergy();
|
|
currentCharge = track.GetDynamicParticle()->GetCharge();
|
|
}
|
|
|
|
inline void G4ParticleChangeForLoss::InitializeForPostStep(const G4Track& track)
|
|
{
|
|
theStatusChange = track.GetTrackStatus();
|
|
theLocalEnergyDeposit = 0.0;
|
|
InitializeSecondaries(track);
|
|
theParentWeight = track.GetWeight();
|
|
proposedKinEnergy = track.GetKineticEnergy();
|
|
currentCharge = track.GetDynamicParticle()->GetCharge();
|
|
proposedMomentumDirection = track.GetMomentumDirection();
|
|
proposedPolarization = track.GetPolarization();
|
|
currentTrack = &track;
|
|
}
|
|
|
|
//----------------------------------------------------------------
|
|
// methods for updating G4Step
|
|
//
|
|
|
|
inline G4Step* G4ParticleChangeForLoss::UpdateStepForAlongStep(G4Step* pStep)
|
|
{
|
|
G4StepPoint* pPostStepPoint = pStep->GetPostStepPoint();
|
|
|
|
// accumulate change of the kinetic energy
|
|
G4double kinEnergy = pPostStepPoint->GetKineticEnergy() +
|
|
(proposedKinEnergy - pStep->GetPreStepPoint()->GetKineticEnergy());
|
|
|
|
// update kinetic energy and charge
|
|
if (kinEnergy < DBL_MIN) {
|
|
theLocalEnergyDeposit += kinEnergy;
|
|
kinEnergy = 0.0;
|
|
} else {
|
|
pPostStepPoint->SetCharge( currentCharge );
|
|
}
|
|
pPostStepPoint->SetKineticEnergy( kinEnergy );
|
|
|
|
// update weight
|
|
// this feature is commented out, it should be overwritten in case
|
|
// if energy loss processes will use biasing
|
|
// G4double newWeight = theParentWeight*(pPostStepPoint->GetWeight())
|
|
// /(pPreStepPoint->GetWeight());
|
|
// pPostStepPoint->SetWeight( newWeight );
|
|
pStep->AddTotalEnergyDeposit( theLocalEnergyDeposit );
|
|
return pStep;
|
|
}
|
|
|
|
inline G4Step* G4ParticleChangeForLoss::UpdateStepForPostStep(G4Step* pStep)
|
|
{
|
|
G4StepPoint* pPostStepPoint = pStep->GetPostStepPoint();
|
|
pPostStepPoint->SetCharge( currentCharge );
|
|
pPostStepPoint->SetMomentumDirection( proposedMomentumDirection );
|
|
pPostStepPoint->SetKineticEnergy( proposedKinEnergy );
|
|
pPostStepPoint->SetPolarization( proposedPolarization );
|
|
// update weight if process cannot do that
|
|
if (!fSetParentWeightByProcess)
|
|
pPostStepPoint->SetWeight( theParentWeight );
|
|
|
|
pStep->AddTotalEnergyDeposit( theLocalEnergyDeposit );
|
|
return pStep;
|
|
}
|
|
|
|
inline void G4ParticleChangeForLoss::AddSecondary(G4DynamicParticle* aParticle)
|
|
{
|
|
// create track
|
|
G4Track* aTrack = new G4Track(aParticle, currentTrack->GetGlobalTime(),
|
|
currentTrack->GetPosition());
|
|
|
|
// Touchable handle is copied to keep the pointer
|
|
aTrack->SetTouchableHandle(currentTrack->GetTouchableHandle());
|
|
|
|
// add a secondary
|
|
G4VParticleChange::AddSecondary(aTrack);
|
|
}
|
|
|
|
#endif
|
|
|