Gabriele Cosmo
152 lines
5.7 KiB
C++
152 lines
5.7 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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// G4ImportanceProcess
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//
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// Class description:
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//
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// Used internally by importance sampling in the "mass" geometry.
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// This process is a forced post step process. It will apply
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// importance sampling if the particle crosses a boundary in the
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// "mass" geometry.
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// Author: Michael Dressel, 2002
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// --------------------------------------------------------------------
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#ifndef G4ImportanceProcess_hh
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#define G4ImportanceProcess_hh 1
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#include "G4VProcess.hh"
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#include "G4VTrackTerminator.hh"
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#include "G4VTouchable.hh"
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class G4SamplingPostStepAction;
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class G4VImportanceAlgorithm;
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class G4VIStore;
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class G4Step;
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class G4Navigator;
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class G4TransportationManager;
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class G4PathFinder;
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#include "G4FieldTrack.hh"
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#include "G4TouchableHandle.hh"
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#include "G4MultiNavigator.hh" // For ELimited enum
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class G4ImportanceProcess : public G4VProcess, public G4VTrackTerminator
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{
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public:
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G4ImportanceProcess(const G4VImportanceAlgorithm &aImportanceAlgorithm,
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const G4VIStore &aIstore,
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const G4VTrackTerminator *TrackTerminator,
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const G4String &aName = "ImportanceProcess",
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G4bool para = false);
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// creates a G4ParticleChange
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virtual ~G4ImportanceProcess();
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// delete the G4ParticleChange
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G4ImportanceProcess(const G4ImportanceProcess &) = delete;
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G4ImportanceProcess &operator=(const G4ImportanceProcess &) = delete;
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//--------------------------------------------------------------
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// Set Parallel World
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//--------------------------------------------------------------
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void SetParallelWorld(const G4String& parallelWorldName);
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//--------------------------------------------------------------
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// Process interface
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//--------------------------------------------------------------
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void StartTracking(G4Track*);
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virtual G4double
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PostStepGetPhysicalInteractionLength(const G4Track& aTrack,
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G4double previousStepSize,
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G4ForceCondition* condition);
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// make process beeing forced
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virtual G4VParticleChange* PostStepDoIt(const G4Track&, const G4Step&);
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// manage the importance sampling in the "mass" geometry
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virtual void KillTrack() const;
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// used in case no scoring process follows that does the killing
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virtual const G4String& GetName() const;
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// no operation in AtRestDoIt and AlongStepDoIt
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virtual G4double
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AlongStepGetPhysicalInteractionLength(const G4Track&,
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G4double ,
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G4double ,
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G4double& ,
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G4GPILSelection*);
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virtual G4double
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AtRestGetPhysicalInteractionLength(const G4Track& ,
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G4ForceCondition*);
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virtual G4VParticleChange* AtRestDoIt(const G4Track&, const G4Step&);
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virtual G4VParticleChange* AlongStepDoIt(const G4Track&, const G4Step&);
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private:
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void CopyStep(const G4Step& step);
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G4Step* fGhostStep = nullptr;
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G4StepPoint* fGhostPreStepPoint = nullptr;
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G4StepPoint* fGhostPostStepPoint = nullptr;
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G4ParticleChange* fParticleChange = nullptr;
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const G4VImportanceAlgorithm &fImportanceAlgorithm;
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const G4VIStore& fIStore;
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G4SamplingPostStepAction* fPostStepAction = nullptr;
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G4TransportationManager* fTransportationManager = nullptr;
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G4PathFinder* fPathFinder = nullptr;
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// -------------------------------
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// Navigation in the Ghost World:
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// -------------------------------
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G4String fGhostWorldName = "NoParallelWorld";
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G4VPhysicalVolume* fGhostWorld = nullptr;
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G4Navigator* fGhostNavigator = nullptr;
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G4int fNavigatorID = -1;
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G4TouchableHandle fOldGhostTouchable;
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G4TouchableHandle fNewGhostTouchable;
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G4FieldTrack fFieldTrack = '0';
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G4double fGhostSafety = -1;
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G4bool fOnBoundary = false;
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G4bool fParaflag = false;
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G4FieldTrack fEndTrack = '0';
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ELimited feLimited = kDoNot;
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};
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#endif
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