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geant4/source/processes/transportation/include/G4MassImportanceProcess.hh
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2016-06-09 14:55:03 +02:00

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//
// ********************************************************************
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// * *
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// $Id: G4MassImportanceProcess.hh,v 1.10 2006/06/29 21:09:56 gunter Exp $
// GEANT4 tag $Name: geant4-08-02 $
//
// ----------------------------------------------------------------------
// Class G4MassImportanceProcess
//
// Class description:
//
// Used internally by importance sampling in the "mass" geometry.
// This process is a forced post step process. I will apply
// importance sampling if the particle crosses a boundary in the
// "mass" geometry.
// Author: Michael Dressel (Michael.Dressel@cern.ch)
// ----------------------------------------------------------------------
#ifndef G4MassImportanceProcess_hh
#define G4MassImportanceProcess_hh G4MassImportanceProcess_hh
#include "G4VProcess.hh"
#include "G4VTrackTerminator.hh"
class G4SamplingPostStepAction;
class G4VImportanceAlgorithm;
class G4VIStore;
class G4MassImportanceProcess : public G4VProcess, public G4VTrackTerminator
{
public: // with description
G4MassImportanceProcess(const G4VImportanceAlgorithm &aImportanceAlgorithm,
const G4VIStore &aIstore,
const G4VTrackTerminator *TrackTerminator,
const G4String &aName = "MassImportanceProcess");
// creates a G4ParticleChange
virtual ~G4MassImportanceProcess();
// delete the G4ParticleChange
virtual G4double
PostStepGetPhysicalInteractionLength(const G4Track& aTrack,
G4double previousStepSize,
G4ForceCondition* condition);
// make process beeing forced
virtual G4VParticleChange *PostStepDoIt(const G4Track&, const G4Step&);
// manage the importance sampling in the "mass" geometry
virtual void KillTrack() const;
// used in case no scoring process follows that does the killing
virtual const G4String &GetName() const;
public: // without description
// no operation in AtRestDoIt and AlongStepDoIt
virtual G4double
AlongStepGetPhysicalInteractionLength(const G4Track&,
G4double ,
G4double ,
G4double& ,
G4GPILSelection*);
virtual G4double
AtRestGetPhysicalInteractionLength(const G4Track& ,
G4ForceCondition*);
virtual G4VParticleChange*
AtRestDoIt(const G4Track&, const G4Step&);
virtual G4VParticleChange*
AlongStepDoIt(const G4Track&, const G4Step&);
private:
G4MassImportanceProcess(const G4MassImportanceProcess &);
G4MassImportanceProcess &operator=(const G4MassImportanceProcess &);
private:
G4ParticleChange *fParticleChange;
const G4VImportanceAlgorithm &fImportanceAlgorithm;
const G4VIStore &fIStore;
G4SamplingPostStepAction *fPostStepAction;
};
#endif