120 lines
5.0 KiB
C++
120 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: LEMuSRParticleChangeForMSC.hh,v 1.8 2004/10/19 00:51:29 kurasige 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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// Update for model variant of msc 16 Jan 2004 V.Ivanchenko
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//
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// -------------------------------------------------------------
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#ifndef LEMuSRParticleChangeForMSC_h
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#define LEMuSRParticleChangeForMSC_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 LEMuSRParticleChangeForMSC: public G4VParticleChange
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{
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public:
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// default constructor
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LEMuSRParticleChangeForMSC();
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// destructor
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virtual ~LEMuSRParticleChangeForMSC();
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protected:
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// hide copy constructor and assignment operaor as protected
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LEMuSRParticleChangeForMSC(const LEMuSRParticleChangeForMSC &right);
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LEMuSRParticleChangeForMSC & operator=(const LEMuSRParticleChangeForMSC &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* 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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void ProposeMomentumDirection(const G4ThreeVector& Pfinal);
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void ProposeMomentumDirection(G4double Px, G4double Py, G4double Pz);
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const G4ThreeVector* GetMomentumDirection() const;
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const G4ThreeVector* GetProposedMomentumDirection() const;
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void SetProposedMomentumDirection(const G4ThreeVector& Pfinal);
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// Get/Set theMomentumDirectionChange vector: it is the final momentum direction.
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const G4ThreeVector* GetPosition() const;
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void ProposePosition(const G4ThreeVector& finalPosition);
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const G4ThreeVector* GetProposedPosition() const;
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void SetProposedPosition(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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// for Debug
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virtual G4bool CheckIt(const G4Track&);
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G4bool Post_Update;
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private:
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G4ThreeVector theMomentumDirection;
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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 thePosition;
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// The changed (final) position of a given particle.
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};
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#include "LEMuSRParticleChangeForMSC.icc"
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#endif
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