Gabriele Cosmo
127 lines
5.0 KiB
C++
127 lines
5.0 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: G4ParticleChangeForMSC.hh,v 1.5 2001/07/11 10:08:36 gunter Exp $
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// GEANT4 tag $ $
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//
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//
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// ------------------------------------------------------------
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// GEANT 4 class header file
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//
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//
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// Class Description
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// This class is special "Particle Change" for Multiple Scattering process
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//
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// ------------------------------------------------------------
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// Implemented for the new scheme 23 Mar. 1998 H.Kurahige
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// Add Get/SetMomentumDirectionChange 6 Feb. 1999 H.Kurashige
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//
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// -------------------------------------------------------------
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#ifndef G4ParticleChangeForMSC_h
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#define G4ParticleChangeForMSC_h 1
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#include "globals.hh"
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#include "G4ios.hh"
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#include "G4ThreeVector.hh"
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#include "G4ThreeVector.hh"
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class G4DynamicParticle;
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#include "G4VParticleChange.hh"
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class G4ParticleChangeForMSC: public G4VParticleChange
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{
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public:
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// default constructor
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G4ParticleChangeForMSC();
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// destructor
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virtual ~G4ParticleChangeForMSC();
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protected:
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// hide copy constructor and assignment operaor as protected
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G4ParticleChangeForMSC(const G4ParticleChangeForMSC &right);
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G4ParticleChangeForMSC & operator=(const G4ParticleChangeForMSC &right);
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public: // with description
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// ----------------------------------------------------
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// --- the following methods are for updating G4Step -----
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// Return the pointer to the G4Step after updating the Step information
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// by using final state information of the track given by a physics
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// process
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virtual G4Step* UpdateStepForAlongStep(G4Step* Step);
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virtual G4Step* UpdateStepForAtRest(G4Step* Step);
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virtual G4Step* UpdateStepForPostStep(G4Step* Step);
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// A physics process gives the final state of the particle
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// based on information of G4Track (or equivalently the PreStepPoint)
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virtual void Initialize(const G4Track&);
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// Initialize all propoerties by using G4Track information
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// ----------------------------------------------------
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//--- methods to keep information of the final state--
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// IMPORTANT NOTE: Although the name of the class and methods are
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// "Change", what it stores (and returns in get) are the "FINAL"
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// values of the Position, Momentum, etc.
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const G4ThreeVector* GetMomentumChange() const;
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void SetMomentumChange(G4double Px, G4double Py, G4double Pz);
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void SetMomentumChange(const G4ThreeVector& Pfinal);
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const G4ThreeVector* GetMomentumDirectionChange() const;
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void SetMomentumDirectionChange(G4double Px, G4double Py, G4double Pz);
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void SetMomentumDirectionChange(const G4ThreeVector& Pfinal);
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// Get/Set theMomentumDirectionChange vector: it is the final momentum direction.
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const G4ThreeVector* GetPositionChange() const;
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void SetPositionChange(G4double x, G4double y, G4double z);
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void SetPositionChange(const G4ThreeVector& finalPosition);
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// Get/Set the final position of the current particle.
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public:
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virtual void DumpInfo() const;
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protected:
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G4ThreeVector theMomentumDirectionChange;
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// It is the vector containing the final momentum direction
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// after the invoked process. The application of the change
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// of the momentum direction of the particle is not Done here.
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// The responsibility to apply the change is up the entity
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// which invoked the process.
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G4ThreeVector thePositionChange;
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// The changed (final) position of a given particle.
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public:
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// for Debug
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virtual G4bool CheckIt(const G4Track&);
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};
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#include "G4ParticleChangeForMSC.icc"
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#endif
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