Gabriele Cosmo
123 lines
5.1 KiB
C++
123 lines
5.1 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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// $Id$
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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 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* 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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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 "G4ParticleChangeForMSC.icc"
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#endif
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