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geant4/source/processes/management/include/G4VContinuousProcess.hh
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//
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// $Id: G4VContinuousProcess.hh,v 1.6 2006/06/29 21:07:46 gunter Exp $
// GEANT4 tag $Name: geant4-08-01 $
//
//
// ------------------------------------------------------------
// GEANT 4 class header file
//
// History: first implementation, based on object model of
// 2nd December 1995, G.Cosmo
// add G4VContinuousProcess(const G4String&) 24 Jul 1996, Hisaya kurashige
//
// Class Description
// Abstract class which defines the public behavior of
// Continuous physics interactions.
//
// ------------------------------------------------------------
// New Physics scheme 18 Dec. 1996 H.Kurahige
// ------------------------------------------------------------
// modified 25 Feb. 1997 H.Kurahige
// modified 8 Mar. 1997 H.Kurashige
// modified 22 Mar. 1997 H.Kurashige
// modified 26 Mar. 1997 H.Kurashige
// modified AlongStepGPIL etc. 17 Dec. 1997 H.Kurashige
// fix bugs in GetGPILSelection() 24 Jan. 1998 H.Kurashige
// modified for new ParticleChange 12 Mar. 1998 H.Kurashige
#ifndef G4VContinuousProcess_h
#define G4VContinuousProcess_h 1
#include "globals.hh"
#include "G4ios.hh"
#include "G4VProcess.hh"
class G4VContinuousProcess : public G4VProcess
{
// Abstract class which defines the public behavior of
// Continuous physics interactions.
public:
G4VContinuousProcess(const G4String& ,
G4ProcessType aType = fNotDefined );
G4VContinuousProcess(G4VContinuousProcess &);
virtual ~G4VContinuousProcess();
public: // with description
virtual G4double AlongStepGetPhysicalInteractionLength(
const G4Track& track,
G4double previousStepSize,
G4double currentMinimumStep,
G4double& proposedSafety,
G4GPILSelection* selection
);
virtual G4VParticleChange* AlongStepDoIt(
const G4Track& ,
const G4Step&
);
// no operation in AtRestDoIt and PostStepDoIt
virtual G4double PostStepGetPhysicalInteractionLength(
const G4Track&,
G4double,
G4ForceCondition*
){ return -1.0; };
virtual G4double AtRestGetPhysicalInteractionLength(
const G4Track& ,
G4ForceCondition*
) { return -1.0; };
// no operation in AtRestDoIt and PostStepDoIt
virtual G4VParticleChange* AtRestDoIt(
const G4Track& ,
const G4Step&
) {return 0;};
virtual G4VParticleChange* PostStepDoIt(
const G4Track& ,
const G4Step&
) {return 0;};
protected: // with description
virtual G4double GetContinuousStepLimit(const G4Track& aTrack,
G4double previousStepSize,
G4double currentMinimumStep,
G4double& currentSafety
)=0;
// This pure virtual function is used to calculate step limit
// for AlongStep in the derived processes
private:
// this is the returnd value of G4GPILSelection in
// the arguments of AlongStepGPIL()
G4GPILSelection valueGPILSelection;
protected: // with description
// these two methods are set/get methods for valueGPILSelection
void SetGPILSelection(G4GPILSelection selection)
{ valueGPILSelection = selection;};
G4GPILSelection GetGPILSelection() const{return valueGPILSelection;};
private:
// hide default constructor and assignment operator as private
G4VContinuousProcess();
G4VContinuousProcess & operator=(const G4VContinuousProcess &right);
};
// -----------------------------------------
// inlined function members implementation
// -----------------------------------------
#include "G4Step.hh"
#include "G4Track.hh"
#include "G4MaterialTable.hh"
#include "G4VParticleChange.hh"
inline G4double G4VContinuousProcess::AlongStepGetPhysicalInteractionLength(
const G4Track& track,
G4double previousStepSize,
G4double currentMinimumStep,
G4double& currentSafety,
G4GPILSelection* selection
)
{
// GPILSelection is set to defaule value of CandidateForSelection
valueGPILSelection = CandidateForSelection;
// get Step limit proposed by the process
G4double steplength = GetContinuousStepLimit(track,previousStepSize,currentMinimumStep, currentSafety);
// set return value for G4GPILSelection
*selection = valueGPILSelection;
#ifdef G4VERBOSE
if (verboseLevel>1){
G4cout << "G4VContinuousProcess::AlongStepGetPhysicalInteractionLength ";
G4cout << "[ " << GetProcessName() << "]" <<G4endl;
track.GetDynamicParticle()->DumpInfo();
G4cout << " in Material " << track.GetMaterial()->GetName() <<G4endl;
G4cout << "IntractionLength= " << steplength/cm <<"[cm] " <<G4endl;
}
#endif
return steplength ;
}
inline G4VParticleChange* G4VContinuousProcess::AlongStepDoIt(
const G4Track& ,
const G4Step&
)
{
return pParticleChange;
}
#endif