Import Geant4 10.0.0 source tree
This commit is contained in:
Gabriele Cosmo
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//
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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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#include "G4BiasingProcessInterface.hh"
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#include "G4VBiasingOperator.hh"
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#include "G4VBiasingOperation.hh"
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#include "G4ParticleChangeForOccurenceBiasing.hh"
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#include "G4ParticleChange.hh"
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#include "G4ParticleChangeForNothing.hh"
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#include "G4VBiasingInteractionLaw.hh"
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#include "G4InteractionLawPhysical.hh"
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#include "G4ProcessManager.hh"
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#include "G4BiasingTrackData.hh"
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#include "G4BiasingTrackDataStore.hh"
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#include "G4BiasingAppliedCase.hh"
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G4Cache<G4bool> G4BiasingProcessInterface::fResetInteractionLaws;// = true;
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G4Cache<G4bool> G4BiasingProcessInterface::fCommonStart;// = true;
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G4Cache<G4bool> G4BiasingProcessInterface::fCommonEnd;// = true;
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G4MapCache< const G4ProcessManager*, std::vector< G4BiasingProcessInterface* > > G4BiasingProcessInterface::fManagerInterfaceMap;
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G4BiasingProcessInterface::G4BiasingProcessInterface(G4String name)
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: G4VProcess( name ),
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fCurrentBiasingOperator ( 0 ),
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fPreviousBiasingOperator( 0 ),
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fWrappedProcess ( 0 ),
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fIsPhysicsBasedBiasing ( false ),
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fWrappedProcessIsAtRest( false ),
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fWrappedProcessIsAlong ( false ),
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fWrappedProcessIsPost ( false ),
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fWrappedProcessInteractionLength( -1.0 ),
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fBiasingInteractionLaw ( 0 ),
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fPhysicalInteractionLaw( 0 ),
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fOccurenceBiasingParticleChange( 0 ),
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fIamFirstGPIL ( false )
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{
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for (G4int i = 0 ; i < 8 ; i++) fFirstLastFlags[i] = false;
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fResetInteractionLaws.Put( true );
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fCommonStart.Put(true);
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fCommonEnd.Put(true);
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}
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G4BiasingProcessInterface::G4BiasingProcessInterface(G4VProcess* wrappedProcess,
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G4bool wrappedIsAtRest, G4bool wrappedIsAlongStep, G4bool wrappedIsPostStep,
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G4String useThisName)
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: G4VProcess( useThisName != "" ? useThisName : "biasWrapper("+wrappedProcess->GetProcessName()+")",
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wrappedProcess->GetProcessType()),
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fCurrentBiasingOperator ( 0 ),
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fPreviousBiasingOperator( 0 ),
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fWrappedProcess ( wrappedProcess ),
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fIsPhysicsBasedBiasing ( true ),
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fWrappedProcessIsAtRest( wrappedIsAtRest ),
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fWrappedProcessIsAlong ( wrappedIsAlongStep ),
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fWrappedProcessIsPost ( wrappedIsPostStep ),
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fWrappedProcessInteractionLength( -1.0 ),
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fBiasingInteractionLaw ( 0 ),
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fPhysicalInteractionLaw( 0 ),
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fOccurenceBiasingParticleChange( 0 ),
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fIamFirstGPIL ( false )
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{
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for (G4int i = 0 ; i < 8 ; i++) fFirstLastFlags[i] = false;
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SetProcessSubType(fWrappedProcess->GetProcessSubType());
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// -- create physical interaction law:
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fPhysicalInteractionLaw = new G4InteractionLawPhysical("PhysicalInteractionLawFor("+GetProcessName()+")");
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// -- instantiate particle change wrapper for occurence biaising:
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fOccurenceBiasingParticleChange = new G4ParticleChangeForOccurenceBiasing("biasingPCfor"+GetProcessName());
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fParticleChange = new G4ParticleChange();
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// -- instantiate a "do nothing" particle change:
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fDummyParticleChange = new G4ParticleChangeForNothing();
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}
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G4BiasingProcessInterface::~G4BiasingProcessInterface()
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{
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if ( fPhysicalInteractionLaw != 0 ) delete fPhysicalInteractionLaw;
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if ( fOccurenceBiasingParticleChange ) delete fOccurenceBiasingParticleChange;
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if ( fDummyParticleChange ) delete fDummyParticleChange;
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}
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void G4BiasingProcessInterface::StartTracking(G4Track* track)
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{
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fCurrentTrack = track;
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if ( fIsPhysicsBasedBiasing ) fWrappedProcess->StartTracking(fCurrentTrack);
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fCurrentBiasingOperator = 0;
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fPreviousBiasingOperator = 0;
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fOccurenceBiasingOperation = 0;
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fPreviousOccurenceBiasingOperation = 0;
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fFinalStateBiasingOperation = 0;
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fPreviousFinalStateBiasingOperation = 0;
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fNonPhysicsBiasingOperation = 0;
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fPreviousNonPhysicsBiasingOperation = 0;
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fBiasingInteractionLaw = 0;
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fPreviousBiasingInteractionLaw = 0;
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fPreviousStepSize = -1.0;
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fResetWrappedProcessInteractionLength = false;
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if ( fCommonStart.Get() )
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{
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fCommonStart.Put( false );// = false;
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fCommonEnd.Put(true);// = true;
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for ( size_t optr = 0 ; optr < ( G4VBiasingOperator::GetBiasingOperators() ).size() ; optr ++)
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( G4VBiasingOperator::GetBiasingOperators() )[optr]->StartTracking( fCurrentTrack );
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}
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}
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void G4BiasingProcessInterface::EndTracking()
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{
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if ( fIsPhysicsBasedBiasing ) fWrappedProcess->EndTracking();
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if ( fCurrentBiasingOperator) fCurrentBiasingOperator->ExitingBiasing( fCurrentTrack, this );
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fCurrentBiasingOperator = 0;
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fPreviousBiasingOperator = 0;
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fBiasingInteractionLaw = 0;
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// -- !! this part might have to be improved : could be time consuming
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// -- !! and assumes all tracks are killed during tracking, which is
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// -- !! not true : stacking operations may kill tracks
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if ( fCommonEnd.Get() )
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{
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fCommonEnd.Put( false );// = false;
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fCommonStart.Put( true );// = true;
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for ( size_t optr = 0 ; optr < ( G4VBiasingOperator::GetBiasingOperators() ).size() ; optr ++)
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( G4VBiasingOperator::GetBiasingOperators() )[optr]->EndTracking( );
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if ( ( fCurrentTrack->GetTrackStatus() == fStopAndKill ) || ( fCurrentTrack->GetTrackStatus() == fKillTrackAndSecondaries ) )
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{
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G4BiasingTrackData* biasingData = G4BiasingTrackDataStore::GetInstance()->GetBiasingTrackData( fCurrentTrack );
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if ( biasingData ) delete biasingData; // -- this also deregisters the biasing data from the track data store
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if ( fCurrentTrack->GetTrackStatus() == fKillTrackAndSecondaries )
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{
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const G4TrackVector* secondaries = fCurrentTrack->GetStep()->GetSecondary();
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for ( size_t i2nd = 0 ; i2nd < secondaries->size() ; i2nd++ )
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{
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biasingData = G4BiasingTrackDataStore::GetInstance()->GetBiasingTrackData( (*secondaries)[i2nd] );
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if ( biasingData ) delete biasingData;
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}
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}
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}
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}
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}
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G4double G4BiasingProcessInterface::PostStepGetPhysicalInteractionLength(const G4Track& track,
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G4double previousStepSize,
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G4ForceCondition* condition)
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{
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// -- Remember previous operator and proposed operations, if any, and reset:
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// -------------------------------------------------------------------------
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// -- remember:
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fPreviousBiasingOperator = fCurrentBiasingOperator;
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fPreviousOccurenceBiasingOperation = fOccurenceBiasingOperation;
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fPreviousFinalStateBiasingOperation = fFinalStateBiasingOperation;
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fPreviousNonPhysicsBiasingOperation = fNonPhysicsBiasingOperation;
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fPreviousBiasingInteractionLaw = fBiasingInteractionLaw;
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// -- reset:
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fOccurenceBiasingOperation = 0;
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fFinalStateBiasingOperation = 0;
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fNonPhysicsBiasingOperation = 0;
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fBiasingInteractionLaw = 0;
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// -- Physics PostStep and AlongStep GPIL
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fWrappedProcessPostStepGPIL = DBL_MAX;
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fBiasingPostStepGPIL = DBL_MAX;
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fWrappedProcessInteractionLength = DBL_MAX; // -- inverse of analog cross-section, no biasing counter-part in general
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fWrappedProcessForceCondition = NotForced;
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fBiasingForceCondition = NotForced;
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fWrappedProcessAlongStepGPIL = DBL_MAX;
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fBiasingAlongStepGPIL = DBL_MAX;
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fWrappedProcessGPILSelection = NotCandidateForSelection;
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fBiasingGPILSelection = NotCandidateForSelection;
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// -- for helper:
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fPreviousStepSize = previousStepSize;
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// -- If new volume, get possible new biasing operator:
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// ----------------------------------------------------
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// -- [Note : bug with this first step ! Does not work if previous step was concurrently limited with geometry]
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G4bool firstStepInVolume = ( (track.GetStep()->GetPreStepPoint()->GetStepStatus() == fGeomBoundary) || (track.GetCurrentStepNumber() == 1) );
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if ( firstStepInVolume ) fCurrentBiasingOperator = G4VBiasingOperator::GetBiasingOperator( track.GetVolume()->GetLogicalVolume() );
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// -----------------------------------
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// -- Previous step was under biasing:
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// -----------------------------------
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if ( fPreviousBiasingOperator != 0 )
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{
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// -- if current step not under same operator, let this operator knows:
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if ( fPreviousBiasingOperator != fCurrentBiasingOperator ) fPreviousBiasingOperator->ExitingBiasing( &track, this );
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// -- if biasing does not continue, set process behavior to standard tracking:
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// -- ... and see [*] below...
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if ( fCurrentBiasingOperator == 0 )
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{
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fResetWrappedProcessInteractionLength = true;
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ResetForUnbiasedTracking();
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}
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}
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// --------------------------------------------------------------
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// -- no operator : analog tracking if physics-based, or nothing:
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// --------------------------------------------------------------
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if ( fCurrentBiasingOperator == 0 )
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{
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if ( fIsPhysicsBasedBiasing )
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{
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// -- [*] this wrapped process has just been ResetForUnbiasedTracking(), it has a fresh #int length, and is
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// -- in a state where it believes it is starting tracking : let it believe hence the previous step
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// -- length was 0.0, as for a normal first step:
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if ( fResetWrappedProcessInteractionLength )
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{
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fResetWrappedProcessInteractionLength = false;
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fWrappedProcess->ResetNumberOfInteractionLengthLeft();
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return fWrappedProcess->PostStepGetPhysicalInteractionLength(track, 0.0, condition);
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}
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return fWrappedProcess->PostStepGetPhysicalInteractionLength(track, previousStepSize, condition);
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}
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else
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{
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*condition = NotForced;
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return DBL_MAX;
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}
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}
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// --------------------------------------------------
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// -- An biasing operator exists. Proceed with
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// -- treating non-physics and physics biasing cases:
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//---------------------------------------------------
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// -- non-physics-based biasing case:
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// ----------------------------------
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if ( !fIsPhysicsBasedBiasing )
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{
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fNonPhysicsBiasingOperation = fCurrentBiasingOperator->GetProposedNonPhysicsBiasingOperation( &track, this );
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if ( fNonPhysicsBiasingOperation == 0 )
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{
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*condition = NotForced;
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return DBL_MAX;
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}
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return fNonPhysicsBiasingOperation->DistanceToApplyOperation(&track, previousStepSize, condition);
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}
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// -- Physics based biasing case:
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// ------------------------------
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// -- call to underneath physics process PostStepGPIL to update it with current point:
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fWrappedProcessPostStepGPIL = fWrappedProcess->PostStepGetPhysicalInteractionLength(track, previousStepSize, condition);
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fWrappedProcessForceCondition = *condition;
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// -- **! At this point, might have to be careful of previousStepSize being larger than the previous process
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// -- **! PostStepGPIL proposed: as we disregard this PostStepGPIL value, such situation does happen. Does not
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// -- **! look to have generated problems for now, but might be fragile.
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// -- Ask for possible GPIL biasing operation:
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fOccurenceBiasingOperation = fCurrentBiasingOperator->GetProposedOccurenceBiasingOperation( &track, this );
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// -- no operation for occurence biasing, analog GPIL returns the wrapped process GPIL and condition values
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// -- (note that condition was set above):
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if ( fOccurenceBiasingOperation == 0 ) return fWrappedProcessPostStepGPIL;
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// -- A valid GPIL biasing operation has been proposed:
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// -- 0) remember wrapped process will need to be reset on biasing exit, if particle survives:
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fResetWrappedProcessInteractionLength = true;
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// -- 1) collect/update process interaction length for reference analog interaction law:
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fWrappedProcessInteractionLength = fWrappedProcess->GetCurrentInteractionLength();
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fPhysicalInteractionLaw->SetPhysicalCrossSection( 1.0 / fWrappedProcessInteractionLength );
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// -- 2) Collect biasing interaction law:
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// -- The interaction law pointer is collected as a const pointer to the interaction law object.
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// -- This interaction law will be kept under control of the biasing operation, which is the only
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// -- entity that will change the state of the biasing interaction law.
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fBiasingInteractionLaw = fOccurenceBiasingOperation->ProvideOccurenceBiasingInteractionLaw( this );
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// -- 3) Ask operation to sample the biasing interaction law:
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fBiasingPostStepGPIL = fBiasingInteractionLaw->GetSampledInteractionLength();
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fBiasingForceCondition = fOccurenceBiasingOperation->ProposeForceCondition( fWrappedProcessForceCondition );
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// -- finish
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*condition = fBiasingForceCondition;
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return fBiasingPostStepGPIL;
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}
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G4VParticleChange* G4BiasingProcessInterface::PostStepDoIt(const G4Track& track,
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const G4Step& step)
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{
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// ---------------------------------------
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// -- case outside of volume with biasing:
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// ---------------------------------------
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if ( fCurrentBiasingOperator == 0 ) return fWrappedProcess->PostStepDoIt(track, step);
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// ----------------------------
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// -- non-physics biasing case:
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// ----------------------------
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if ( !fIsPhysicsBasedBiasing )
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{
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G4VParticleChange* particleChange = fNonPhysicsBiasingOperation->GenerateBiasingFinalState( &track, &step );
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fCurrentBiasingOperator->ReportOperationApplied( this, BAC_NonPhysics, fNonPhysicsBiasingOperation, particleChange );
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return particleChange;
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}
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// -- physics biasing case:
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// ------------------------
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// -- It proceeds with the following logic:
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// -- 1) If an occurence biasing operation exists, it makes the
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// -- decision about the interaction to happen or not.
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// -- If the occurence operation refuses the interaction, it
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// -- can only propose a new track weight.
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// -- 2) The interaction is produced by the final state biasing
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// -- operation, if it exists, or by the wrapped process in
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// -- the other case.
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// -- Hence 2) happens if 1) decides so
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// 2) happens if there is no occurence biasing operation
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if ( fOccurenceBiasingOperation != 0 )
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{
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G4double proposedTrackWeight = track.GetWeight();
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if ( fOccurenceBiasingOperation->DenyProcessPostStepDoIt( this, &track, &step, proposedTrackWeight ) )
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{
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fParticleChange->Initialize( track ); // **??** <= might use a light version for particle change here
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fParticleChange->ProposeParentWeight( proposedTrackWeight );
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fCurrentBiasingOperator->ReportOperationApplied( this, BAC_DenyInteraction, fOccurenceBiasingOperation, fParticleChange );
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return fParticleChange;
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}
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}
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// -- usual case with generated final state:
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G4VParticleChange* finalStateParticleChange;
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G4BiasingAppliedCase BAC;
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fFinalStateBiasingOperation = fCurrentBiasingOperator->GetProposedFinalStateBiasingOperation( &track, this );
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if ( fFinalStateBiasingOperation != 0 )
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{
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finalStateParticleChange = fFinalStateBiasingOperation->ApplyFinalStateBiasing( this, &track, &step );
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BAC = BAC_FinalState;
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}
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else
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{
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finalStateParticleChange = fWrappedProcess->PostStepDoIt(track, step);
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BAC = BAC_None ;
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}
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// -- if no occurence biasing operation, we're done:
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if ( fOccurenceBiasingOperation == 0 )
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{
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fCurrentBiasingOperator->ReportOperationApplied( this, BAC, fFinalStateBiasingOperation, finalStateParticleChange );
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return finalStateParticleChange;
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}
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// -- If occurence biasing, applies on top of final state occurence biasing weight correction:
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G4double weightForInteraction = 1.0;
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if ( !fBiasingInteractionLaw->IsSingular() ) weightForInteraction =
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fPhysicalInteractionLaw->ComputeEffectiveCrossSectionAt(step.GetStepLength()) /
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fBiasingInteractionLaw ->ComputeEffectiveCrossSectionAt(step.GetStepLength());
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else
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{
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// -- at this point effective XS can only be infinite, if not, there is a logic problem
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if ( !fBiasingInteractionLaw->IsEffectiveCrossSectionInfinite() )
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{
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G4ExceptionDescription ed;
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ed << "Internal inconsistency in cross-section handling. Please report !" << G4endl;
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G4Exception(" G4BiasingProcessInterface::PostStepDoIt(...)",
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"BIAS.GEN.02",
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JustWarning,
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ed);
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// -- if XS is infinite, weight is zero (and will stay zero), but we'll do differently.
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// -- Should foresee in addition something to remember that in case of singular
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// -- distribution, weight can only be partly calculated
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}
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}
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if ( weightForInteraction <= 0. )
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{
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G4ExceptionDescription ed;
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ed << " Negative interaction weight : w_I = "
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<< weightForInteraction <<
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" XS_I(phys) = " << fBiasingInteractionLaw ->ComputeEffectiveCrossSectionAt(step.GetStepLength()) <<
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" XS_I(bias) = " << fPhysicalInteractionLaw->ComputeEffectiveCrossSectionAt(step.GetStepLength()) <<
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" step length = " << step.GetStepLength() <<
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" Interaction law = `" << fBiasingInteractionLaw << "'" <<
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G4endl;
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G4Exception(" G4BiasingProcessInterface::PostStepDoIt(...)",
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"BIAS.GEN.03",
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JustWarning,
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||||
ed);
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||||
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||||
}
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||||
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||||
fCurrentBiasingOperator->ReportOperationApplied( this, BAC,
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||||
fOccurenceBiasingOperation, weightForInteraction,
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||||
fFinalStateBiasingOperation, finalStateParticleChange );
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||||
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||||
fOccurenceBiasingParticleChange->SetOccurenceWeightForInteraction( weightForInteraction );
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||||
fOccurenceBiasingParticleChange->SetSecondaryWeightByProcess( true );
|
||||
fOccurenceBiasingParticleChange->SetWrappedParticleChange( finalStateParticleChange );
|
||||
fOccurenceBiasingParticleChange->ProposeTrackStatus( finalStateParticleChange->GetTrackStatus() );
|
||||
fOccurenceBiasingParticleChange->StealSecondaries(); // -- this also makes weightForInteraction applied to secondaries stolen
|
||||
|
||||
// -- finish:
|
||||
return fOccurenceBiasingParticleChange;
|
||||
|
||||
}
|
||||
|
||||
|
||||
// -- AlongStep methods:
|
||||
G4double G4BiasingProcessInterface::AlongStepGetPhysicalInteractionLength(const G4Track& track,
|
||||
G4double previousStepSize,
|
||||
G4double currentMinimumStep,
|
||||
G4double& proposedSafety,
|
||||
G4GPILSelection* selection)
|
||||
{
|
||||
// -- for helper methods:
|
||||
fCurrentMinimumStep = currentMinimumStep;
|
||||
fProposedSafety = proposedSafety;
|
||||
|
||||
|
||||
// -- initialization default case:
|
||||
fWrappedProcessAlongStepGPIL = DBL_MAX;
|
||||
*selection = NotCandidateForSelection;
|
||||
// ---------------------------------------
|
||||
// -- case outside of volume with biasing:
|
||||
// ---------------------------------------
|
||||
if ( fCurrentBiasingOperator == 0 )
|
||||
{
|
||||
if ( fWrappedProcessIsAlong ) fWrappedProcessAlongStepGPIL =
|
||||
fWrappedProcess->AlongStepGetPhysicalInteractionLength(track,
|
||||
previousStepSize,
|
||||
currentMinimumStep,
|
||||
proposedSafety,
|
||||
selection);
|
||||
return fWrappedProcessAlongStepGPIL;
|
||||
}
|
||||
|
||||
// --------------------------------------------------------------------
|
||||
// -- non-physics based biasing: no along operation expected (for now):
|
||||
// --------------------------------------------------------------------
|
||||
if ( !fIsPhysicsBasedBiasing ) return fWrappedProcessAlongStepGPIL;
|
||||
|
||||
// ----------------------
|
||||
// -- physics-based case:
|
||||
// ----------------------
|
||||
if ( fOccurenceBiasingOperation == 0 )
|
||||
{
|
||||
if ( fWrappedProcessIsAlong ) fWrappedProcessAlongStepGPIL =
|
||||
fWrappedProcess->AlongStepGetPhysicalInteractionLength(track,
|
||||
previousStepSize,
|
||||
currentMinimumStep,
|
||||
proposedSafety,
|
||||
selection);
|
||||
return fWrappedProcessAlongStepGPIL;
|
||||
}
|
||||
|
||||
|
||||
// ----------------------------------------------------------
|
||||
// -- From here we have an valid occurence biasing operation:
|
||||
// ----------------------------------------------------------
|
||||
// -- Give operation opportunity to shorten step proposed by physics process:
|
||||
fBiasingAlongStepGPIL = fOccurenceBiasingOperation->ProposeAlongStepLimit( this );
|
||||
G4double minimumStep = fBiasingAlongStepGPIL < currentMinimumStep ? fBiasingAlongStepGPIL : currentMinimumStep ;
|
||||
// -- wrapped process is called with minimum step ( <= currentMinimumStep passed ) : an along process can not
|
||||
// -- have its operation stretched over what it expects:
|
||||
if ( fWrappedProcessIsAlong )
|
||||
{
|
||||
fWrappedProcessAlongStepGPIL = fWrappedProcess->AlongStepGetPhysicalInteractionLength(track,
|
||||
previousStepSize,
|
||||
minimumStep,
|
||||
proposedSafety,
|
||||
selection);
|
||||
fWrappedProcessGPILSelection = *selection;
|
||||
fBiasingGPILSelection = fOccurenceBiasingOperation->ProposeGPILSelection( fWrappedProcessGPILSelection );
|
||||
}
|
||||
else
|
||||
{
|
||||
fBiasingGPILSelection = fOccurenceBiasingOperation->ProposeGPILSelection( NotCandidateForSelection );
|
||||
fWrappedProcessAlongStepGPIL = fBiasingAlongStepGPIL;
|
||||
}
|
||||
|
||||
*selection = fBiasingGPILSelection;
|
||||
return fWrappedProcessAlongStepGPIL;
|
||||
|
||||
}
|
||||
|
||||
G4VParticleChange* G4BiasingProcessInterface::AlongStepDoIt(const G4Track& track,
|
||||
const G4Step& step)
|
||||
{
|
||||
// ---------------------------------------
|
||||
// -- case outside of volume with biasing:
|
||||
// ---------------------------------------
|
||||
if ( fCurrentBiasingOperator == 0 )
|
||||
{
|
||||
if ( fWrappedProcessIsAlong ) return fWrappedProcess->AlongStepDoIt(track, step);
|
||||
else
|
||||
{
|
||||
fDummyParticleChange->Initialize( track );
|
||||
return fDummyParticleChange;
|
||||
}
|
||||
}
|
||||
|
||||
// -----------------------------------
|
||||
// -- case inside volume with biasing:
|
||||
// -----------------------------------
|
||||
if ( fWrappedProcessIsAlong ) fOccurenceBiasingParticleChange->SetWrappedParticleChange( fWrappedProcess->AlongStepDoIt(track, step) );
|
||||
else
|
||||
{
|
||||
fOccurenceBiasingParticleChange->SetWrappedParticleChange ( 0 );
|
||||
fOccurenceBiasingParticleChange->ProposeTrackStatus( track.GetTrackStatus() );
|
||||
}
|
||||
G4double weightForNonInteraction (1.0);
|
||||
if ( fBiasingInteractionLaw != 0 )
|
||||
{
|
||||
weightForNonInteraction =
|
||||
fPhysicalInteractionLaw->ComputeNonInteractionProbabilityAt(step.GetStepLength()) /
|
||||
fBiasingInteractionLaw ->ComputeNonInteractionProbabilityAt(step.GetStepLength());
|
||||
|
||||
fOccurenceBiasingOperation->AlongMoveBy( this, &step, weightForNonInteraction );
|
||||
|
||||
if ( weightForNonInteraction <= 0. )
|
||||
{
|
||||
G4ExceptionDescription ed;
|
||||
ed << " Negative non interaction weight : w_NI = " << weightForNonInteraction <<
|
||||
" p_NI(phys) = " << fPhysicalInteractionLaw->ComputeNonInteractionProbabilityAt(step.GetStepLength()) <<
|
||||
" p_NI(bias) = " << fBiasingInteractionLaw ->ComputeNonInteractionProbabilityAt(step.GetStepLength()) <<
|
||||
" step length = " << step.GetStepLength() <<
|
||||
" biasing interaction law = `" << fBiasingInteractionLaw->GetName() << "'" << G4endl;
|
||||
G4Exception(" G4BiasingProcessInterface::AlongStepDoIt(...)",
|
||||
"BIAS.GEN.04",
|
||||
JustWarning,
|
||||
ed);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
fOccurenceBiasingParticleChange->SetOccurenceWeightForNonInteraction( weightForNonInteraction );
|
||||
|
||||
return fOccurenceBiasingParticleChange;
|
||||
|
||||
}
|
||||
|
||||
// -- AtRest methods
|
||||
G4double G4BiasingProcessInterface::AtRestGetPhysicalInteractionLength(const G4Track& track,
|
||||
G4ForceCondition* condition)
|
||||
{
|
||||
return fWrappedProcess->AtRestGetPhysicalInteractionLength(track, condition);
|
||||
}
|
||||
G4VParticleChange* G4BiasingProcessInterface::AtRestDoIt(const G4Track& track,
|
||||
const G4Step& step)
|
||||
{
|
||||
return fWrappedProcess->AtRestDoIt(track, step);
|
||||
}
|
||||
|
||||
|
||||
G4bool G4BiasingProcessInterface::IsApplicable(const G4ParticleDefinition& pd)
|
||||
{
|
||||
if ( fWrappedProcess != 0 ) return fWrappedProcess->IsApplicable(pd);
|
||||
else return true;
|
||||
}
|
||||
|
||||
|
||||
void G4BiasingProcessInterface::SetMasterProcess(G4VProcess* masterP)
|
||||
{
|
||||
// -- Master for this process:
|
||||
G4VProcess::SetMasterProcess(masterP);
|
||||
// -- Master for wrapped process:
|
||||
if ( fWrappedProcess != 0 )
|
||||
{
|
||||
const G4BiasingProcessInterface* thisWrapperMaster = (const G4BiasingProcessInterface *)GetMasterProcess();
|
||||
// -- paranoia check:
|
||||
G4VProcess* wrappedMaster = 0;
|
||||
wrappedMaster = thisWrapperMaster->GetWrappedProcess();
|
||||
fWrappedProcess->SetMasterProcess( wrappedMaster );
|
||||
}
|
||||
}
|
||||
void G4BiasingProcessInterface::BuildPhysicsTable(const G4ParticleDefinition& pd)
|
||||
{
|
||||
// -- Inform existing operators about start of the run.
|
||||
// -- IMPORTANT : as PreparePhysicsTable(...) has been called first for all processes,
|
||||
// -- the first/last flags and G4BiasingProcessInterface vector of processes have
|
||||
// -- been properly setup.
|
||||
if ( fIamFirstGPIL )
|
||||
{
|
||||
for ( size_t optr = 0 ; optr < ( G4VBiasingOperator::GetBiasingOperators() ).size() ; optr ++)
|
||||
( G4VBiasingOperator::GetBiasingOperators() )[optr]->StartRun( );
|
||||
}
|
||||
|
||||
if ( fWrappedProcess != 0 )
|
||||
{
|
||||
fWrappedProcess->BuildPhysicsTable(pd);
|
||||
}
|
||||
}
|
||||
void G4BiasingProcessInterface::PreparePhysicsTable(const G4ParticleDefinition& pd)
|
||||
{
|
||||
// -- Let process finding its first/last position in the process manager:
|
||||
SetUpFirstLastFlags();
|
||||
if ( fWrappedProcess != 0 )
|
||||
{
|
||||
fWrappedProcess->PreparePhysicsTable(pd);
|
||||
}
|
||||
}
|
||||
G4bool G4BiasingProcessInterface::StorePhysicsTable(const G4ParticleDefinition* pd, const G4String& s, G4bool f)
|
||||
{
|
||||
if ( fWrappedProcess != 0 ) return fWrappedProcess->StorePhysicsTable(pd, s, f);
|
||||
else return false;
|
||||
}
|
||||
G4bool G4BiasingProcessInterface::RetrievePhysicsTable(const G4ParticleDefinition* pd, const G4String& s, G4bool f)
|
||||
{
|
||||
if ( fWrappedProcess != 0 ) return fWrappedProcess->RetrievePhysicsTable(pd, s, f);
|
||||
else return false;
|
||||
}
|
||||
|
||||
void G4BiasingProcessInterface::SetProcessManager(const G4ProcessManager* mgr)
|
||||
{
|
||||
if ( fWrappedProcess != 0 ) fWrappedProcess->SetProcessManager(mgr);
|
||||
else G4VProcess::SetProcessManager(mgr);
|
||||
(fManagerInterfaceMap[mgr]).push_back(this);
|
||||
fCoInterfaces = &(fManagerInterfaceMap[mgr]);
|
||||
fProcessManager = mgr;
|
||||
}
|
||||
|
||||
const G4ProcessManager* G4BiasingProcessInterface::GetProcessManager()
|
||||
{
|
||||
if ( fWrappedProcess != 0 ) return fWrappedProcess->GetProcessManager();
|
||||
else return G4VProcess::GetProcessManager();
|
||||
}
|
||||
void G4BiasingProcessInterface::BuildWorkerPhysicsTable(const G4ParticleDefinition& pd)
|
||||
{
|
||||
// -- Inform existing operators about start of the run.
|
||||
// -- IMPORTANT : as PreparePhysicsTable(...) has been called first for all processes,
|
||||
// -- the first/last flags and G4BiasingProcessInterface vector of processes have
|
||||
// -- been properly setup.
|
||||
if ( fIamFirstGPIL )
|
||||
{
|
||||
for ( size_t optr = 0 ; optr < ( G4VBiasingOperator::GetBiasingOperators() ).size() ; optr ++)
|
||||
( G4VBiasingOperator::GetBiasingOperators() )[optr]->StartRun( );
|
||||
}
|
||||
|
||||
if ( fWrappedProcess != 0 )
|
||||
{
|
||||
fWrappedProcess->BuildWorkerPhysicsTable(pd);
|
||||
}
|
||||
}
|
||||
void G4BiasingProcessInterface::PrepareWorkerPhysicsTable(const G4ParticleDefinition& pd)
|
||||
{
|
||||
// -- Let process finding its first/last position in the process manager:
|
||||
SetUpFirstLastFlags();
|
||||
if ( fWrappedProcess != 0 )
|
||||
{
|
||||
fWrappedProcess->PrepareWorkerPhysicsTable(pd);
|
||||
}
|
||||
}
|
||||
void G4BiasingProcessInterface::ResetNumberOfInteractionLengthLeft()
|
||||
{
|
||||
if ( fWrappedProcess != 0 ) fWrappedProcess->ResetNumberOfInteractionLengthLeft();
|
||||
}
|
||||
|
||||
|
||||
G4bool G4BiasingProcessInterface::GetIsFirstPostStepGPILInterface( G4bool physOnly ) const
|
||||
{
|
||||
G4int iPhys = ( physOnly ) ? 1 : 0;
|
||||
return fFirstLastFlags[IdxFirstLast( 1, 1, iPhys)];
|
||||
}
|
||||
G4bool G4BiasingProcessInterface::GetIsLastPostStepGPILInterface( G4bool physOnly ) const
|
||||
{
|
||||
G4int iPhys = ( physOnly ) ? 1 : 0;
|
||||
return fFirstLastFlags[IdxFirstLast( 0, 1, iPhys)];
|
||||
}
|
||||
G4bool G4BiasingProcessInterface::GetIsFirstPostStepDoItInterface( G4bool physOnly ) const
|
||||
{
|
||||
G4int iPhys = ( physOnly ) ? 1 : 0;
|
||||
return fFirstLastFlags[IdxFirstLast( 1, 0, iPhys)];
|
||||
}
|
||||
G4bool G4BiasingProcessInterface::GetIsLastPostStepDoItInterface( G4bool physOnly ) const
|
||||
{
|
||||
G4int iPhys = ( physOnly ) ? 1 : 0;
|
||||
return fFirstLastFlags[IdxFirstLast( 0, 0, iPhys)];
|
||||
}
|
||||
|
||||
|
||||
G4bool G4BiasingProcessInterface::IsFirstPostStepGPILInterface(G4bool physOnly) const
|
||||
{
|
||||
G4bool isFirst = true;
|
||||
const G4ProcessVector* pv = fProcessManager->GetPostStepProcessVector(typeGPIL);
|
||||
G4int thisIdx(-1);
|
||||
for (G4int i = 0; i < pv->size(); i++ ) if ( (*pv)(i) == this ) { thisIdx = i; break; }
|
||||
for ( size_t i = 0; i < fCoInterfaces->size(); i++ )
|
||||
{
|
||||
if ( ( (*fCoInterfaces)[i]->GetWrappedProcess() != 0 ) || !physOnly )
|
||||
{
|
||||
G4int thatIdx(-1);
|
||||
for (G4int j = 0; j < pv->size(); j++ ) if ( (*pv)(j) == (*fCoInterfaces)[i] ) { thatIdx = j; break; }
|
||||
if ( thisIdx > thatIdx )
|
||||
{
|
||||
isFirst = false;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
return isFirst;
|
||||
}
|
||||
|
||||
G4bool G4BiasingProcessInterface::IsLastPostStepGPILInterface(G4bool physOnly) const
|
||||
{
|
||||
G4bool isLast = true;
|
||||
const G4ProcessVector* pv = fProcessManager->GetPostStepProcessVector(typeGPIL);
|
||||
G4int thisIdx(-1);
|
||||
for (G4int i = 0; i < pv->size(); i++ ) if ( (*pv)(i) == this ) { thisIdx = i; break; }
|
||||
for ( size_t i = 0; i < fCoInterfaces->size(); i++ )
|
||||
{
|
||||
if ( ( (*fCoInterfaces)[i]->GetWrappedProcess() != 0 ) || !physOnly )
|
||||
{
|
||||
G4int thatIdx(-1);
|
||||
for (G4int j = 0; j < pv->size(); j++ ) if ( (*pv)(j) == (*fCoInterfaces)[i] ) { thatIdx = j; break; }
|
||||
if ( thisIdx < thatIdx )
|
||||
{
|
||||
isLast = false;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
return isLast;
|
||||
}
|
||||
|
||||
G4bool G4BiasingProcessInterface::IsFirstPostStepDoItInterface(G4bool physOnly) const
|
||||
{
|
||||
G4bool isFirst = true;
|
||||
const G4ProcessVector* pv = fProcessManager->GetPostStepProcessVector(typeDoIt);
|
||||
G4int thisIdx(-1);
|
||||
for (G4int i = 0; i < pv->size(); i++ ) if ( (*pv)(i) == this ) { thisIdx = i; break; }
|
||||
for ( size_t i = 0; i < fCoInterfaces->size(); i++ )
|
||||
{
|
||||
if ( ( (*fCoInterfaces)[i]->GetWrappedProcess() != 0 ) || !physOnly )
|
||||
{
|
||||
G4int thatIdx(-1);
|
||||
for (G4int j = 0; j < pv->size(); j++ ) if ( (*pv)(j) == (*fCoInterfaces)[i] ) { thatIdx = j; break; }
|
||||
if ( thisIdx > thatIdx )
|
||||
{
|
||||
isFirst = false;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
return isFirst;
|
||||
}
|
||||
|
||||
G4bool G4BiasingProcessInterface::IsLastPostStepDoItInterface(G4bool physOnly) const
|
||||
{
|
||||
G4bool isLast = true;
|
||||
const G4ProcessVector* pv = fProcessManager->GetPostStepProcessVector(typeDoIt);
|
||||
G4int thisIdx(-1);
|
||||
for (G4int i = 0; i < pv->size(); i++ ) if ( (*pv)(i) == this ) { thisIdx = i; break; }
|
||||
for ( size_t i = 0; i < fCoInterfaces->size(); i++ )
|
||||
{
|
||||
if ( ( (*fCoInterfaces)[i]->GetWrappedProcess() != 0 ) || !physOnly )
|
||||
{
|
||||
G4int thatIdx(-1);
|
||||
for (G4int j = 0; j < pv->size(); j++ ) if ( (*pv)(j) == (*fCoInterfaces)[i] ) { thatIdx = j; break; }
|
||||
if ( thisIdx < thatIdx )
|
||||
{
|
||||
isLast = false;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
return isLast;
|
||||
}
|
||||
|
||||
|
||||
void G4BiasingProcessInterface::SetUpFirstLastFlags()
|
||||
{
|
||||
for ( G4int iPhys = 0; iPhys < 2; iPhys++ )
|
||||
{
|
||||
G4bool physOnly = ( iPhys == 1 );
|
||||
fFirstLastFlags[IdxFirstLast( 1, 1, iPhys)] = IsFirstPostStepGPILInterface(physOnly);
|
||||
fFirstLastFlags[IdxFirstLast( 0, 1, iPhys)] = IsLastPostStepGPILInterface(physOnly);
|
||||
fFirstLastFlags[IdxFirstLast( 1, 0, iPhys)] = IsFirstPostStepDoItInterface(physOnly);
|
||||
fFirstLastFlags[IdxFirstLast( 0, 0, iPhys)] = IsLastPostStepDoItInterface(physOnly);
|
||||
}
|
||||
|
||||
// -- for itself, for optimization:
|
||||
fIamFirstGPIL = GetIsFirstPostStepGPILInterface( false );
|
||||
}
|
||||
|
||||
|
||||
|
||||
void G4BiasingProcessInterface::ResetForUnbiasedTracking()
|
||||
{
|
||||
fOccurenceBiasingOperation = 0;
|
||||
fFinalStateBiasingOperation = 0;
|
||||
fNonPhysicsBiasingOperation = 0;
|
||||
fBiasingInteractionLaw = 0;
|
||||
}
|
||||
Reference in New Issue
Block a user