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geant4/examples/extended/electromagnetic/TestEm10/include/Em10StepCut.hh
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// $Id: Em10StepCut.hh,v 1.5 2006/06/29 16:38:12 gunter Exp $
// GEANT4 tag $Name: geant4-08-02 $
//
//
#ifndef Em10StepCut_h
#define Em10StepCut_h 1
#include "G4ios.hh"
#include "globals.hh"
#include "G4VDiscreteProcess.hh"
#include "G4Step.hh"
class Em10StepCut : public G4VDiscreteProcess
{
public:
Em10StepCut(const G4String& processName ="UserStepCut" );
Em10StepCut(Em10StepCut &);
~Em10StepCut();
G4double PostStepGetPhysicalInteractionLength(
const G4Track& track,
G4double previousStepSize,
G4ForceCondition* condition
);
G4VParticleChange* PostStepDoIt(
const G4Track& ,
const G4Step&
);
void SetMaxStep(G4double);
protected:
// it is not needed here !
G4double GetMeanFreePath(const G4Track& aTrack,
G4double previousStepSize,
G4ForceCondition* condition
);
private:
// hide assignment operator as private
Em10StepCut & operator=(const Em10StepCut &right);
private:
G4double MaxChargedStep ;
};
// inlined function members implementation
#include "G4Step.hh"
#include "G4Track.hh"
#include "G4UserLimits.hh"
#include "G4VParticleChange.hh"
#include "G4EnergyLossTables.hh"
inline G4double Em10StepCut::PostStepGetPhysicalInteractionLength(
const G4Track& aTrack,
G4double,
G4ForceCondition* condition
)
{
// condition is set to "Not Forced"
*condition = NotForced;
G4double ProposedStep = DBL_MAX;
if((MaxChargedStep > 0.) &&
(aTrack.GetVolume() != NULL) &&
(aTrack.GetVolume()->GetName() == "Absorber") &&
(aTrack.GetDynamicParticle()->GetDefinition()->GetPDGCharge() != 0.))
ProposedStep = MaxChargedStep ;
return ProposedStep;
}
inline G4VParticleChange* Em10StepCut::PostStepDoIt(
const G4Track& aTrack,
const G4Step&
)
{
// do nothing
aParticleChange.Initialize(aTrack);
return &aParticleChange;
}
inline G4double Em10StepCut::GetMeanFreePath(const G4Track&,
G4double,
G4ForceCondition*
)
{
return 0.;
}
#endif