Gabriele Cosmo
324 lines
9.0 KiB
C++
324 lines
9.0 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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//
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// Author: Mathieu Karamitros
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// The code is developed in the framework of the ESA AO7146
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//
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// We would be very happy hearing from you, send us your feedback! :)
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//
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// In order for Geant4-DNA to be maintained and still open-source,
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// article citations are crucial.
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// If you use Geant4-DNA chemistry and you publish papers about your software,
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// in addition to the general paper on Geant4-DNA:
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//
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// Int. J. Model. Simul. Sci. Comput. 1 (2010) 157–178
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//
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// we would be very happy if you could please also cite the following
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// reference papers on chemistry:
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//
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// J. Comput. Phys. 274 (2014) 841-882
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// Prog. Nucl. Sci. Tec. 2 (2011) 503-508
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#ifndef G4VITProcess_H
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#define G4VITProcess_H
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#include <G4VProcess.hh>
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#include "AddClone_def.hh"
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#include "G4ReferenceCast.hh"
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#include "G4memory.hh"
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#include <typeinfo>
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class G4IT;
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class G4TrackingInformation;
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struct G4ProcessState_Lock
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{
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inline virtual ~G4ProcessState_Lock()
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{
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;
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}
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};
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/*
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class G4ProcessStateHandle_Lock : public G4shared_ptr<G4ProcessState_Lock>
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{
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public:
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G4ProcessStateHandle_Lock(G4ProcessState_Lock* plock) : G4shared_ptr<G4ProcessState_Lock>(plock)
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{}
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virtual ~G4ProcessStateHandle_Lock(){}
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};
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*/
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#define InitProcessState(destinationType,source) \
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reference_cast<destinationType>(source)
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#define DowncastProcessState(destinationType) \
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G4dynamic_pointer_cast<destinationType>(G4VITProcess::fpState)
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#define UpcastProcessState(destinationType) \
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G4dynamic_pointer_cast<destinationType>(G4VITProcess::fpState)
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#define DowncastState(destinationType,source) \
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G4dynamic_pointer_cast<destinationType>(source)
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#define UpcastState(destinationType,source) \
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G4dynamic_pointer_cast<destinationType>(source)
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/**
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* G4VITProcess inherits from G4VProcess.
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* A G4VITProcess is able to save its current state for a given track into G4IT.
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* This state may be retrieve latter on to be used by the G4VITProcess.
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* Each G4VITProcess is tagged.
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*/
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class G4VITProcess : public G4VProcess
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{
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public:
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//__________________________________
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// Constructors & destructors
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G4VITProcess(const G4String& name, G4ProcessType type = fNotDefined);
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~G4VITProcess() override;
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G4VITProcess(const G4VITProcess& other);
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G4VITProcess& operator=(const G4VITProcess& other);
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// equal opperators
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G4bool operator==(const G4VITProcess &right) const;
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G4bool operator!=(const G4VITProcess &right) const;
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G4IT_TO_BE_CLONED(G4VITProcess)
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size_t GetProcessID() const
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{
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return fProcessID;
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}
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G4shared_ptr<G4ProcessState_Lock> GetProcessState()
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{
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return UpcastProcessState(G4ProcessState_Lock);
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}
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void SetProcessState(G4shared_ptr<G4ProcessState_Lock> aProcInfo)
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{
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fpState = DowncastState(G4ProcessState, aProcInfo);
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}
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void ResetProcessState()
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{
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fpState.reset();
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}
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//__________________________________
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// Initialize and Save process info
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void StartTracking(G4Track*) override;
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void BuildPhysicsTable(const G4ParticleDefinition&) override
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{
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}
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inline G4double GetInteractionTimeLeft();
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/** WARNING : Redefine the method of G4VProcess
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* reset (determine the value of)NumberOfInteractionLengthLeft
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*/
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void ResetNumberOfInteractionLengthLeft() override;
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inline G4bool ProposesTimeStep() const;
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inline static const size_t& GetMaxProcessIndex();
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protected:
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// with description
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void RetrieveProcessInfo();
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void CreateInfo();
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//__________________________________
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// Process info
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// friend class G4TrackingInformation ;
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struct G4ProcessState : public G4ProcessState_Lock
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{
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public:
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G4ProcessState();
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~G4ProcessState() override;
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virtual G4String GetType()
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{
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return "G4ProcessState";
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}
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G4double theNumberOfInteractionLengthLeft;
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// The flight length left for the current tracking particle
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// in unit of "Interaction length".
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G4double theInteractionTimeLeft;
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// Time left before the interaction : for at rest processes
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G4double currentInteractionLength;
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// The InteractionLength in the current material
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template<typename T>
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T* GetState()
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{
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return dynamic_cast<T*>(this);
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}
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};
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template<typename T>
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class G4ProcessStateBase : public G4ProcessState
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{
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public:
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G4ProcessStateBase() :
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G4ProcessState()
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{
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}
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~G4ProcessStateBase() override
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= default;
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G4String GetType() override
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{
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return typeid(T).name();
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}
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};
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template<typename T>
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T* GetState()
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{
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return fpState->GetState<T>();
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}
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G4shared_ptr<G4ProcessState> fpState;
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void virtual SubtractNumberOfInteractionLengthLeft(G4double previousStepSize);
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inline virtual void ClearInteractionTimeLeft();
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inline virtual void ClearNumberOfInteractionLengthLeft();
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// clear NumberOfInteractionLengthLeft
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// !!! This method should be at the end of PostStepDoIt()
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// !!! and AtRestDoIt
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//_________________________________________________
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void SetInstantiateProcessState(G4bool flag)
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{
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fInstantiateProcessState = flag;
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}
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G4bool InstantiateProcessState()
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{
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return fInstantiateProcessState;
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}
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G4bool fProposesTimeStep;
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private:
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size_t fProcessID;
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// During all the simulation will identify a process, so if two identical
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// processes are created using a copy constructor they will have the same
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// fProcessID. NOTE: due to MT, this cannot be "const".
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static/*G4ThreadLocal*/size_t *fNbProcess;
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G4bool fInstantiateProcessState;
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//_________________________________________________
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// Redefine needed members and method of G4VProcess
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G4double* theNumberOfInteractionLengthLeft;
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G4double* currentInteractionLength;
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G4double* theInteractionTimeLeft;
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};
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inline void G4VITProcess::ClearInteractionTimeLeft()
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{
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fpState->theInteractionTimeLeft = -1.0;
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}
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inline void G4VITProcess::ClearNumberOfInteractionLengthLeft()
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{
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fpState->theNumberOfInteractionLengthLeft = -1.0;
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}
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inline void G4VITProcess::ResetNumberOfInteractionLengthLeft()
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{
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fpState->theNumberOfInteractionLengthLeft = -std::log( G4UniformRand());
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}
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inline G4double G4VITProcess::GetInteractionTimeLeft()
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{
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if (fpState) return fpState->theInteractionTimeLeft;
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return -1;
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}
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inline G4bool G4VITProcess::ProposesTimeStep() const
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{
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return fProposesTimeStep;
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}
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inline const size_t& G4VITProcess::GetMaxProcessIndex()
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{
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if (fNbProcess == nullptr) fNbProcess = new size_t(0);
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return *fNbProcess;
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}
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inline
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void G4VITProcess::SubtractNumberOfInteractionLengthLeft(G4double previousStepSize)
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{
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if (fpState->currentInteractionLength > 0.0)
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{
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fpState->theNumberOfInteractionLengthLeft -= previousStepSize
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/ fpState->currentInteractionLength;
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if (fpState->theNumberOfInteractionLengthLeft < 0.)
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{
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fpState->theNumberOfInteractionLengthLeft = CLHEP::perMillion;
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}
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}
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else
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{
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#ifdef G4VERBOSE
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if (verboseLevel > 0)
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{
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G4cerr << "G4VITProcess::SubtractNumberOfInteractionLengthLeft()";
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G4cerr << " [" << theProcessName << "]" << G4endl;
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G4cerr << " currentInteractionLength = "
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<< fpState->currentInteractionLength << " [mm]";
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G4cerr << " previousStepSize = " << previousStepSize << " [mm]";
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G4cerr << G4endl;
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}
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#endif
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G4String msg = "Negative currentInteractionLength for ";
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msg += theProcessName;
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G4Exception("G4VITProcess::SubtractNumberOfInteractionLengthLeft()",
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"ProcMan201",EventMustBeAborted,
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msg);
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}
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}
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#endif // G4VITProcess_H
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