Import Geant4 6.1.0 source tree
This commit is contained in:
Gabriele Cosmo
@@ -21,18 +21,19 @@
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// ********************************************************************
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//
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//
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// $Id: G4ParticleChangeForTransport.cc,v 1.15 2003/06/16 17:13:04 gunter Exp $
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// GEANT4 tag $Name: geant4-06-00 $
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// $Id: G4ParticleChangeForTransport.cc,v 1.16 2004/01/20 15:29:41 vnivanch Exp $
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// GEANT4 tag $Name: geant4-06-01 $
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//
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//
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// --------------------------------------------------------------
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// GEANT 4 class implementation file
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//
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//
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//
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//
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// ------------------------------------------------------------
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// Implemented for the new scheme 10 May. 1998 H.Kurahige
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// Correct tratment of fpNextTouchable 12 May. 1998 H.Kurashige
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// Change to the next volume only if energy>0 19 Jan. 2004 V.Ivanchenko
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// --------------------------------------------------------------
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#include "G4ParticleChangeForTransport.hh"
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@@ -93,17 +94,17 @@ G4ParticleChangeForTransport & G4ParticleChangeForTransport::operator=(const G4P
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}
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//----------------------------------------------------------------
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// methods for updating G4Step
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// methods for updating G4Step
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//
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G4Step* G4ParticleChangeForTransport::UpdateStepForAtRest(G4Step* pStep)
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{
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{
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// Nothing happens for AtRestDoIt
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if (verboseLevel>0) {
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G4cout << "G4ParticleChangeForTransport::UpdateStepForAtRest() is called" << G4endl;
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G4cout << " Nothing happens for this method " << G4endl;
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G4cout << "G4ParticleChangeForTransport::UpdateStepForAtRest() is called" << G4endl;
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G4cout << " Nothing happens for this method " << G4endl;
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}
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// Update the G4Step specific attributes
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// Update the G4Step specific attributes
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return UpdateStepInfo(pStep);
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}
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@@ -120,39 +121,39 @@ G4Step* G4ParticleChangeForTransport::UpdateStepForAlongStep(G4Step* pStep)
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// A physics process always calculates the final state of the
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// particle relative to the initial state at the beginning
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// of the Step, i.e., based on information of G4Track (or
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// equivalently the PreStepPoint).
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// equivalently the PreStepPoint).
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// So, the differences (delta) between these two states have to be
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// calculated and be accumulated in PostStepPoint.
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// calculated and be accumulated in PostStepPoint.
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// Take note that the return type of GetMomentumChange is a
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// pointer to G4ThreeVector. Also it is a normalized
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// pointer to G4ThreeVector. Also it is a normalized
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// momentum vector.
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G4StepPoint* pPreStepPoint = pStep->GetPreStepPoint();
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G4StepPoint* pPostStepPoint = pStep->GetPostStepPoint();
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G4StepPoint* pPreStepPoint = pStep->GetPreStepPoint();
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G4StepPoint* pPostStepPoint = pStep->GetPostStepPoint();
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G4Track* aTrack = pStep->GetTrack();
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G4double mass = aTrack->GetDynamicParticle()->GetMass();
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// uodate kinetic energy
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// now assume that no energy change in transportation
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// However it is not true in electric fields
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// Case for changing energy will be implemented in future
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// update momentum direction and energy
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if (isMomentumChanged) {
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G4double energy;
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energy= pPostStepPoint->GetKineticEnergy()
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+ (theEnergyChange - pPreStepPoint->GetKineticEnergy());
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energy= pPostStepPoint->GetKineticEnergy()
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+ (theEnergyChange - pPreStepPoint->GetKineticEnergy());
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// calculate new momentum
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G4ThreeVector pMomentum = pPostStepPoint->GetMomentum()
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G4ThreeVector pMomentum = pPostStepPoint->GetMomentum()
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+ ( CalcMomentum(theEnergyChange, theMomentumDirectionChange, mass)
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- pPreStepPoint->GetMomentum());
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G4double tMomentum = pMomentum.mag();
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G4ThreeVector direction(1.0,0.0,0.0);
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G4ThreeVector direction(1.0,0.0,0.0);
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if( tMomentum > 0. ){
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G4double inv_Momentum= 1.0 / tMomentum;
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G4double inv_Momentum= 1.0 / tMomentum;
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direction= pMomentum * inv_Momentum;
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}
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pPostStepPoint->SetMomentumDirection(direction);
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@@ -166,22 +167,22 @@ G4Step* G4ParticleChangeForTransport::UpdateStepForAlongStep(G4Step* pStep)
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// update polarization
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pPostStepPoint->AddPolarization( thePolarizationChange
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- pPreStepPoint->GetPolarization());
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// update position and time
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pPostStepPoint->AddPosition( thePositionChange
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pPostStepPoint->AddPosition( thePositionChange
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- pPreStepPoint->GetPosition() );
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pPostStepPoint->AddGlobalTime( theTimeChange
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- pPreStepPoint->GetGlobalTime());
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pPostStepPoint->AddLocalTime( theTimeChange
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- pPreStepPoint->GetGlobalTime());
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pPostStepPoint->AddProperTime( theProperTimeChange
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pPostStepPoint->AddLocalTime( theTimeChange
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- pPreStepPoint->GetGlobalTime());
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pPostStepPoint->AddProperTime( theProperTimeChange
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- pPreStepPoint->GetProperTime());
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#ifdef G4VERBOSE
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if (debugFlag) CheckIt(*aTrack);
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#endif
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// Update the G4Step specific attributes
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// Update the G4Step specific attributes
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//pStep->SetStepLength( theTrueStepLength );
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// pStep->AddTotalEnergyDeposit( theLocalEnergyDeposit );
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pStep->SetControlFlag( theSteppingControlFlag );
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@@ -190,31 +191,33 @@ G4Step* G4ParticleChangeForTransport::UpdateStepForAlongStep(G4Step* pStep)
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}
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G4Step* G4ParticleChangeForTransport::UpdateStepForPostStep(G4Step* pStep)
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{
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{
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// A physics process always calculates the final state of the particle
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G4StepPoint* pPostStepPoint = pStep->GetPostStepPoint();
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// Change volume if any kinetic energy remanes
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G4StepPoint* pPostStepPoint = pStep->GetPostStepPoint();
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if(pPostStepPoint->GetKineticEnergy() > 0.0) {
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// update next touchable
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// (touchable can be changed only at PostStepDoIt)
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pPostStepPoint->SetTouchableHandle( theTouchableHandle );
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// update next touchable
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// (touchable can be changed only at PostStepDoIt)
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pPostStepPoint->SetTouchableHandle( theTouchableHandle );
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pPostStepPoint->SetMaterial( theMaterialChange );
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pPostStepPoint->SetMaterialCutsCouple( theMaterialCutsCoupleChange );
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// It used to call base class's method
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pPostStepPoint->SetMaterial( theMaterialChange );
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pPostStepPoint->SetMaterialCutsCouple( theMaterialCutsCoupleChange );
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}
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// It used to call base class's method
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// - but this would copy uninitialised data members
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// return G4ParticleChange::UpdateStepForPostStep(pStep);
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// Copying what the base class does would instead
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// Copying what the base class does would instead
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// - also not useful
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// return G4VParticleChange::UpdateStepInfo(pStep);
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return pStep;
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return pStep;
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}
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//----------------------------------------------------------------
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// methods for printing messages
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// methods for printing messages
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//
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void G4ParticleChangeForTransport::DumpInfo() const
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