Gabriele Cosmo
377 lines
12 KiB
C++
377 lines
12 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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// G4VParticleChange class implementation
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//
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// Author: Hisaya Kurashige, 23 March 1998
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// --------------------------------------------------------------------
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#include "G4VParticleChange.hh"
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#include "G4SystemOfUnits.hh"
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#include "G4ExceptionSeverity.hh"
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const G4double G4VParticleChange::accuracyForWarning = 1.0e-9;
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const G4double G4VParticleChange::accuracyForException = 0.001;
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const G4int G4VParticleChange::maxError = 10;
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// --------------------------------------------------------------------
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G4VParticleChange::G4VParticleChange()
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{
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#ifdef G4VERBOSE
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// activate CheckIt if in VERBOSE mode
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debugFlag = true;
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#endif
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}
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// --------------------------------------------------------------------
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void G4VParticleChange::AddSecondary(G4Track* aTrack)
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{
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if(debugFlag)
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CheckSecondary(*aTrack);
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if(!fSetSecondaryWeightByProcess)
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aTrack->SetWeight(theParentWeight);
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// add a secondary after size check
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if(theSizeOftheListOfSecondaries > theNumberOfSecondaries)
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{
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theListOfSecondaries[theNumberOfSecondaries] = aTrack;
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}
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else
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{
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theListOfSecondaries.push_back(aTrack);
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++theSizeOftheListOfSecondaries;
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}
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++theNumberOfSecondaries;
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}
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// --------------------------------------------------------------------
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G4Step* G4VParticleChange::UpdateStepInfo(G4Step* pStep)
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{
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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->AddNonIonizingEnergyDeposit(theNonIonizingEnergyDeposit);
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pStep->SetControlFlag(theSteppingControlFlag);
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if(theFirstStepInVolume)
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{
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pStep->SetFirstStepFlag();
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}
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else
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{
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pStep->ClearFirstStepFlag();
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}
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if(theLastStepInVolume)
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{
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pStep->SetLastStepFlag();
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}
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else
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{
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pStep->ClearLastStepFlag();
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}
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return pStep;
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}
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// --------------------------------------------------------------------
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G4Step* G4VParticleChange::UpdateStepForAtRest(G4Step* Step)
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{
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if(isParentWeightProposed)
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{
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Step->GetPostStepPoint()->SetWeight(theParentWeight);
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}
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return UpdateStepInfo(Step);
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}
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// --------------------------------------------------------------------
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G4Step* G4VParticleChange::UpdateStepForAlongStep(G4Step* Step)
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{
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if(isParentWeightProposed)
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{
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G4double initialWeight = Step->GetPreStepPoint()->GetWeight();
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G4double currentWeight = Step->GetPostStepPoint()->GetWeight();
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G4double finalWeight = (theParentWeight / initialWeight) * currentWeight;
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Step->GetPostStepPoint()->SetWeight(finalWeight);
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}
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return UpdateStepInfo(Step);
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}
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// --------------------------------------------------------------------
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G4Step* G4VParticleChange::UpdateStepForPostStep(G4Step* Step)
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{
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if(isParentWeightProposed)
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{
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Step->GetPostStepPoint()->SetWeight(theParentWeight);
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}
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return UpdateStepInfo(Step);
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}
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// --------------------------------------------------------------------
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void G4VParticleChange::DumpInfo() const
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{
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auto vol = theCurrentTrack->GetVolume();
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G4String vname = (nullptr == vol) ? "" : vol->GetName();
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G4long olprc = G4cout.precision(8);
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G4cout << " -----------------------------------------------" << G4endl;
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G4cout << " G4VParticleChange Information " << G4endl;
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G4cout << " TrackID : " << theCurrentTrack->GetTrackID()
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<< G4endl;
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G4cout << " ParentID : " << theCurrentTrack->GetParentID()
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<< G4endl;
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G4cout << " Particle : "
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<< theCurrentTrack->GetParticleDefinition()->GetParticleName()
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<< G4endl;
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G4cout << " Kinetic energy (MeV): "
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<< theCurrentTrack->GetKineticEnergy() << G4endl;
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G4cout << " Position (mm) : "
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<< theCurrentTrack->GetPosition() << G4endl;
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G4cout << " Direction : "
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<< theCurrentTrack->GetMomentumDirection() << G4endl;
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G4cout << " PhysicsVolume : " << vname << G4endl;
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G4cout << " Material : "
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<< theCurrentTrack->GetMaterial()->GetName() << G4endl;
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G4cout << " -----------------------------------------------" << G4endl;
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G4cout << " # of secondaries : " << std::setw(20)
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<< theNumberOfSecondaries << G4endl;
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G4cout << " -----------------------------------------------" << G4endl;
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G4cout << " Energy Deposit (MeV): " << std::setw(20)
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<< theLocalEnergyDeposit / MeV << G4endl;
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G4cout << " NIEL Energy Deposit (MeV): " << std::setw(20)
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<< theNonIonizingEnergyDeposit / MeV << G4endl;
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G4cout << " Track Status : " << std::setw(20);
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if(theStatusChange == fAlive)
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{
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G4cout << " Alive";
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}
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else if(theStatusChange == fStopButAlive)
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{
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G4cout << " StopButAlive";
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}
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else if(theStatusChange == fStopAndKill)
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{
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G4cout << " StopAndKill";
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}
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else if(theStatusChange == fKillTrackAndSecondaries)
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{
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G4cout << " KillTrackAndSecondaries";
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}
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else if(theStatusChange == fSuspend)
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{
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G4cout << " Suspend";
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}
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else if(theStatusChange == fPostponeToNextEvent)
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{
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G4cout << " PostponeToNextEvent";
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}
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G4cout << G4endl;
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G4cout << " TruePathLength (mm) : " << std::setw(20)
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<< theTrueStepLength / mm << G4endl;
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G4cout << " Stepping Control : " << std::setw(20)
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<< theSteppingControlFlag << G4endl;
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if(theFirstStepInVolume)
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{
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G4cout << " First step in volume" << G4endl;
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}
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if(theLastStepInVolume)
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{
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G4cout << " Last step in volume" << G4endl;
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}
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#ifdef G4VERBOSE
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if(nError == maxError)
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{
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G4cout << " -----------------------------------------------" << G4endl;
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G4cout << " G4VParticleChange warnings closed " << G4endl;
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G4cout << " -----------------------------------------------" << G4endl;
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}
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#endif
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G4cout.precision(olprc);
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}
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// --------------------------------------------------------------------
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G4bool G4VParticleChange::CheckIt([[maybe_unused]] const G4Track& aTrack)
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{
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G4bool isOK = true;
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// Energy deposit should not be negative
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if(theLocalEnergyDeposit < 0.0)
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{
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isOK = false;
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++nError;
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#ifdef G4VERBOSE
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if(nError < maxError)
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{
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G4cout << " G4VParticleChange::CheckIt : ";
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G4cout << "the energy deposit " << theLocalEnergyDeposit/MeV
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<< " MeV is negative !!" << G4endl;
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}
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#endif
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theLocalEnergyDeposit = 0.0;
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}
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// true path length should not be negative
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if(theTrueStepLength < 0.0)
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{
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isOK = false;
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++nError;
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#ifdef G4VERBOSE
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if(nError < maxError)
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{
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G4cout << " G4VParticleChange::CheckIt : ";
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G4cout << "true path length " << theTrueStepLength/mm
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<< " mm is negative !!" << G4endl;
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}
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#endif
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theTrueStepLength = (1.e-12) * mm;
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}
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if(!isOK)
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{
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if(nError < maxError)
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{
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#ifdef G4VERBOSE
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// dump out information of this particle change
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DumpInfo();
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#endif
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G4Exception("G4VParticleChange::CheckIt()", "TRACK001", JustWarning,
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"Step length and/or energy deposit are illegal");
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}
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}
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return isOK;
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}
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// --------------------------------------------------------------------
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G4bool G4VParticleChange::CheckSecondary(G4Track& aTrack)
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{
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G4bool isOK = true;
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// MomentumDirection should be unit vector
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G4double ekin = aTrack.GetKineticEnergy();
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auto dir = aTrack.GetMomentumDirection();
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G4double accuracy = std::abs(dir.mag2() - 1.0);
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if(accuracy > accuracyForWarning)
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{
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isOK = false;
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++nError;
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#ifdef G4VERBOSE
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if(nError < maxError)
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{
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G4String mname = aTrack.GetCreatorModelName();
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G4cout << " G4VParticleChange::CheckSecondary : " << G4endl;
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G4cout << " the momentum direction " << dir
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<< " is not unit vector !!" << G4endl;
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G4cout << " Difference=" << accuracy
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<< " Ekin(MeV)=" << ekin/MeV
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<< " " << aTrack.GetParticleDefinition()->GetParticleName()
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<< " created by " << mname
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<< G4endl;
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}
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#endif
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aTrack.SetMomentumDirection(dir.unit());
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}
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// Kinetic Energy should not be negative
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if(ekin < 0.0)
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{
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isOK = false;
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++nError;
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#ifdef G4VERBOSE
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if(nError < maxError)
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{
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G4String mname = aTrack.GetCreatorModelName();
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G4cout << " G4VParticleChange::CheckSecondary : " << G4endl;
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G4cout << " Ekin(MeV)=" << ekin << " is negative !! "
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<< aTrack.GetParticleDefinition()->GetParticleName()
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<< " created by " << mname
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<< G4endl;
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}
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#endif
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aTrack.SetKineticEnergy(0.0);
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}
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// Check timing of secondaries
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G4double time = aTrack.GetGlobalTime();
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if(time < theParentGlobalTime)
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{
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isOK = false;
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++nError;
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#ifdef G4VERBOSE
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if(nError < maxError)
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{
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G4String mname = aTrack.GetCreatorModelName();
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G4cout << " G4VParticleChange::CheckSecondary : " << G4endl;
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G4cout << " The global time of secondary goes back compared to the parent !!" << G4endl;
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G4cout << " ParentTime(ns)=" << theParentGlobalTime/ns
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<< " SecondaryTime(ns)= " << time/ns
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<< " Difference(ns)=" << (theParentGlobalTime - time)/ns
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<< G4endl;
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G4cout << " Ekin(MeV)=" << ekin
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<< aTrack.GetParticleDefinition()->GetParticleName()
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<< " created by " << mname << G4endl;
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}
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#endif
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aTrack.SetGlobalTime(theParentGlobalTime);
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}
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// Exit with error
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if(!isOK)
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{
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if(nError < maxError)
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{
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#ifdef G4VERBOSE
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DumpInfo();
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#endif
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G4Exception("G4VParticleChange::CheckSecondary()", "TRACK001",
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JustWarning, "Secondary with illegal time and/or energy and/or momentum");
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}
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}
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return isOK;
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}
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// --------------------------------------------------------------------
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G4double G4VParticleChange::GetAccuracyForWarning() const
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{
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return accuracyForWarning;
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}
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// --------------------------------------------------------------------
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G4double G4VParticleChange::GetAccuracyForException() const
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{
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return accuracyForException;
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}
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// --------------------------------------------------------------------
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// Obsolete methods for parent weight
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//
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void G4VParticleChange::SetParentWeightByProcess(G4bool) {}
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G4bool G4VParticleChange::IsParentWeightSetByProcess() const { return true; }
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