Gabriele Cosmo
100 lines
3.7 KiB
C++
100 lines
3.7 KiB
C++
//
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// ********************************************************************
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// * DISCLAIMER *
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// * *
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// * The following disclaimer summarizes all the specific disclaimers *
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// * of contributors to this software. The specific disclaimers,which *
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// * govern, are listed with their locations in: *
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// * http://cern.ch/geant4/license *
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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. *
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// * *
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// * This code implementation is the intellectual property of the *
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// * GEANT4 collaboration. *
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// * By copying, distributing or modifying the Program (or any work *
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// * based on the Program) you indicate your acceptance of this *
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// * statement, and all its terms. *
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// ********************************************************************
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//
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//
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// $Id: G4MassImportanceProcess.hh,v 1.3 2002/04/10 13:14:16 dressel Exp $
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// GEANT4 tag $Name: geant4-04-01 $
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//
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// ----------------------------------------------------------------------
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// Class G4MassImportanceProcess
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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. I 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 (Michael.Dressel@cern.ch)
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// ----------------------------------------------------------------------
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#ifndef G4MassImportanceProcess_hh
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#define G4MassImportanceProcess_hh G4MassImportanceProcess_hh
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#include "G4VProcess.hh"
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#include "G4ImportancePostStepDoIt.hh"
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class G4VImportanceAlgorithm;
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class G4ImportanceFinder;
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class G4VIStore;
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class G4MassImportanceProcess : public G4VProcess
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{
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public: // with description
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G4MassImportanceProcess(const G4VImportanceAlgorithm &aImportanceAlgorithm,
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const G4VIStore &aIstore,
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const G4String &aName = "MassImportanceProcess");
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// creates a G4ParticleChange
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~G4MassImportanceProcess();
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// delete the G4ParticleChange
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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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public: // without description
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// no operation in AtRestDoIt and AlongStepDoIt
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G4double AlongStepGetPhysicalInteractionLength(const G4Track&,
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G4double ,
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G4double ,
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G4double& ,
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G4GPILSelection*) {return -1.0;}
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G4double AtRestGetPhysicalInteractionLength(const G4Track& ,
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G4ForceCondition*) {return -1.0;}
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G4VParticleChange* AtRestDoIt(const G4Track&, const G4Step&) {return 0;}
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G4VParticleChange* AlongStepDoIt(const G4Track&, const G4Step&) {return 0;}
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private:
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G4MassImportanceProcess(const G4MassImportanceProcess &);
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G4MassImportanceProcess &operator=(const G4MassImportanceProcess &);
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private:
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G4ParticleChange *fParticleChange;
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G4ImportancePostStepDoIt fImportancePostStepDoIt;
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const G4VImportanceAlgorithm &fImportanceAlgorithm;
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G4ImportanceFinder *fImportanceFinder;
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};
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#endif
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