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0051 #ifndef XrayTelStepCut_h
0052 #define XrayTelStepCut_h 1
0053
0054 #include "G4ios.hh"
0055 #include "G4VDiscreteProcess.hh"
0056 #include "G4Step.hh"
0057 #include "globals.hh"
0058
0059 class XrayTelStepCut : public G4VDiscreteProcess
0060 {
0061 public:
0062
0063 XrayTelStepCut(const G4String& processName ="UserStepCut" );
0064 XrayTelStepCut(XrayTelStepCut &);
0065
0066 ~XrayTelStepCut();
0067
0068 G4double PostStepGetPhysicalInteractionLength(
0069 const G4Track& track,
0070 G4double previousStepSize,
0071 G4ForceCondition* condition
0072 );
0073
0074 G4VParticleChange* PostStepDoIt(
0075 const G4Track& ,
0076 const G4Step&
0077 );
0078
0079 void SetMaxStep(G4double);
0080
0081 protected:
0082
0083
0084 G4double GetMeanFreePath(const G4Track& aTrack,
0085 G4double previousStepSize,
0086 G4ForceCondition* condition
0087 );
0088
0089
0090 private:
0091
0092
0093 XrayTelStepCut & operator=(const XrayTelStepCut &right);
0094
0095 private:
0096
0097 G4double MaxChargedStep ;
0098 };
0099
0100
0101
0102 #include "G4Step.hh"
0103 #include "G4Track.hh"
0104 #include "G4UserLimits.hh"
0105 #include "G4VParticleChange.hh"
0106 #include "G4EnergyLossTables.hh"
0107
0108 inline G4double XrayTelStepCut::PostStepGetPhysicalInteractionLength(
0109 const G4Track& aTrack,
0110 G4double,
0111 G4ForceCondition* condition
0112 )
0113 {
0114
0115 *condition = NotForced;
0116
0117 G4double ProposedStep = DBL_MAX;
0118
0119 if((MaxChargedStep > 0.) &&
0120 (aTrack.GetVolume() != NULL) &&
0121 (aTrack.GetVolume()->GetName() == "Absorber") &&
0122 (aTrack.GetDynamicParticle()->GetDefinition()->GetPDGCharge() != 0.))
0123 ProposedStep = MaxChargedStep ;
0124
0125 return ProposedStep;
0126 }
0127
0128 inline G4VParticleChange* XrayTelStepCut::PostStepDoIt(
0129 const G4Track& aTrack,
0130 const G4Step&
0131 )
0132 {
0133
0134 aParticleChange.Initialize(aTrack);
0135 return &aParticleChange;
0136 }
0137
0138 inline G4double XrayTelStepCut::GetMeanFreePath(const G4Track&,
0139 G4double,
0140 G4ForceCondition*
0141 )
0142 {
0143 return 0.;
0144 }
0145
0146 #endif
0147