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25 // 7 //
26 // G4VContinuousDiscreteProcess << 8 // $Id: G4VContinuousDiscreteProcess.hh,v 1.4 1999/12/15 14:53:42 gunter Exp $
>> 9 // GEANT4 tag $Name: geant4-03-01 $
27 // 10 //
28 // Class description: <<
29 // 11 //
30 // Abstract class which defines the public beh << 12 // ------------------------------------------------------------
31 // discrete physics interactions. << 13 // GEANT 4 class header file
>> 14 //
>> 15 // For information related to this code contact:
>> 16 // CERN, CN Division, ASD group
>> 17 // Abstract class which defines the public behavior of
>> 18 //
>> 19 // Class Description
>> 20 // discrete physics interactions.
>> 21 //
>> 22 // ------------------------------------------------------------
>> 23 // New Physics scheme 8 Mar. 1997 H.Kurahige
>> 24 // ------------------------------------------------------------
>> 25 // modified 26 Mar. 1997 H.Kurashige
>> 26 // modified 16 Apr. 1997 L.Urban
>> 27 // modified AlongStepGPIL etc. 17 Dec. 1997 H.Kurashige
>> 28 // fix bugs in GetGPILSelection() 24 Jan. 1998 H.Kurashige
>> 29 // modified for new ParticleChange 12 Mar. 1998 H.Kurashige
32 30
33 // Authors: << 31 #ifndef G4VContinuousDiscreteProcess_h
34 // - 2 December 1995, G.Cosmo - First implemen << 32 #define G4VContinuousDiscreteProcess_h 1
35 // - 8 January 1997, H.Kurashige - New Physics <<
36 // ------------------------------------------- <<
37 #ifndef G4VContinuousDiscreteProcess_hh <<
38 #define G4VContinuousDiscreteProcess_hh 1 <<
39 33
40 #include "globals.hh" 34 #include "globals.hh"
41 #include "G4ios.hh" 35 #include "G4ios.hh"
42 36
43 #include "G4VProcess.hh" 37 #include "G4VProcess.hh"
44 38
45 class G4VContinuousDiscreteProcess : public G4 39 class G4VContinuousDiscreteProcess : public G4VProcess
46 { 40 {
>> 41 // Abstract class which defines the public behavior of
>> 42 // discrete physics interactions.
47 public: 43 public:
48 44
49 G4VContinuousDiscreteProcess(const G4Strin << 45 G4VContinuousDiscreteProcess(const G4String& ,
50 G4ProcessType << 46 G4ProcessType aType = fNotDefined );
51 G4VContinuousDiscreteProcess(G4VContinuous << 47 G4VContinuousDiscreteProcess(G4VContinuousDiscreteProcess &);
52 48
53 virtual ~G4VContinuousDiscreteProcess(); << 49 virtual ~G4VContinuousDiscreteProcess();
54 50
55 G4VContinuousDiscreteProcess& operator=(co << 51 public :// with description
56 << 52 virtual G4double PostStepGetPhysicalInteractionLength(
57 virtual G4double PostStepGetPhysicalIntera <<
58 const G4Track& tr 53 const G4Track& track,
59 G4double previo << 54 G4double previousStepSize,
60 G4ForceCondition* << 55 G4ForceCondition* condition
61 ); << 56 );
62 << 57
63 virtual G4VParticleChange* PostStepDoIt( << 58 virtual G4VParticleChange* PostStepDoIt(
64 const G4Track& , << 59 const G4Track& ,
65 const G4Step& << 60 const G4Step&
66 ); << 61 );
67 62
68 virtual G4double AlongStepGetPhysicalInter << 63 virtual G4double AlongStepGetPhysicalInteractionLength(
69 const G4Track&, 64 const G4Track&,
70 G4double previou 65 G4double previousStepSize,
71 G4double current 66 G4double currentMinimumStep,
72 G4double& current << 67 G4double& currentSafety,
73 G4GPILSelection* 68 G4GPILSelection* selection
74 ); << 69 );
75 70
76 virtual G4VParticleChange* AlongStepDoIt( << 71 virtual G4VParticleChange* AlongStepDoIt(
77 const G4Track& , << 72 const G4Track& ,
78 const G4Step& << 73 const G4Step&
79 ); << 74 );
80 75
81 virtual G4double AtRestGetPhysicalInteract << 76 // no operation in AtRestDoIt
>> 77 virtual G4double AtRestGetPhysicalInteractionLength(
82 const G4Track& , 78 const G4Track& ,
83 G4ForceCondition* << 79 G4ForceCondition*
84 ) { return -1.0; } << 80 ) { return -1.0; };
85 // No operation in AtRestDoIt <<
86 81
87 virtual G4VParticleChange* AtRestDoIt( << 82 // no operation in AtRestDoIt
88 const G4Track& , << 83 virtual G4VParticleChange* AtRestDoIt(
89 const G4Step& << 84 const G4Track& ,
90 ) { return 0; } << 85 const G4Step&
91 // No operation in AtRestDoIt << 86 ) {return 0;};
92 87
93 protected: << 88 protected:// with description
94 << 89 virtual G4double GetMeanFreePath(const G4Track& aTrack,
95 virtual G4double GetMeanFreePath(const G4T << 90 G4double previousStepSize,
96 G4double previous << 91 G4ForceCondition* condition
97 G4ForceCondition* << 92 )=0;
98 // Calculates from the macroscopic cross << 93 // Calculates from the macroscopic cross section a mean
99 // free path, the value is returned in u << 94 // free path, the value is returned in units of distance.
100 95
>> 96 protected:// with description
101 virtual G4double GetContinuousStepLimit(co 97 virtual G4double GetContinuousStepLimit(const G4Track& aTrack,
102 G4double previou 98 G4double previousStepSize,
103 G4double current 99 G4double currentMinimumStep,
104 G4double& current << 100 G4double& currentSafety
>> 101 )=0;
>> 102 private:
>> 103 // this is the returnd value of G4GPILSelection in
>> 104 // the arguments of AlongStepGPIL()
>> 105 G4GPILSelection valueGPILSelection;
>> 106
>> 107 protected:// with description
>> 108 // these two methods are set/get methods for valueGPILSelection
>> 109 void SetGPILSelection(G4GPILSelection selection)
>> 110 { valueGPILSelection = selection;};
>> 111
>> 112 G4GPILSelection GetGPILSelection() const{return valueGPILSelection;};
>> 113
>> 114 private:
>> 115 // hide default constructor and assignment operator as private
>> 116 G4VContinuousDiscreteProcess();
>> 117 G4VContinuousDiscreteProcess & operator=(const G4VContinuousDiscreteProcess &right);
105 118
106 inline void SetGPILSelection(G4GPILSelecti << 119 };
107 { valueGPILSelection = selection; } << 120 // -----------------------------------------
>> 121 // inlined function members implementation
>> 122 // -----------------------------------------
>> 123 #include "G4Step.hh"
>> 124 #include "G4Track.hh"
>> 125 #include "G4MaterialTable.hh"
>> 126 #include "G4VParticleChange.hh"
108 127
109 inline G4GPILSelection GetGPILSelection() << 128 inline G4double G4VContinuousDiscreteProcess::PostStepGetPhysicalInteractionLength(
110 { return valueGPILSelection; } << 129 const G4Track& track,
>> 130 G4double previousStepSize,
>> 131 G4ForceCondition* condition
>> 132 )
>> 133 {
>> 134 if ( (previousStepSize <=0.0) || (theNumberOfInteractionLengthLeft<=0.0)) {
>> 135 // beggining of tracking (or just after DoIt of this process)
>> 136 ResetNumberOfInteractionLengthLeft();
>> 137 } else {
>> 138 // subtract NumberOfInteractionLengthLeft
>> 139 SubtractNumberOfInteractionLengthLeft(previousStepSize);
>> 140 if(theNumberOfInteractionLengthLeft<perMillion)
>> 141 theNumberOfInteractionLengthLeft=0.;
>> 142 }
>> 143
>> 144 // condition is set to "Not Forced"
>> 145 *condition = NotForced;
>> 146
>> 147 // get mean free path
>> 148 currentInteractionLength = GetMeanFreePath(track, previousStepSize, condition);
>> 149
>> 150 #ifdef G4VERBOSE
>> 151 if ((currentInteractionLength <=0.0) || (verboseLevel>2)){
>> 152 G4cout << "G4VContinuousDiscreteProcess::PostStepGetPhysicalInteractionLength ";
>> 153 G4cout << "[ " << GetProcessName() << "]" <<G4endl;
>> 154 track.GetDynamicParticle()->DumpInfo();
>> 155 G4cout << " in Material " << track.GetMaterial()->GetName() <<G4endl;
>> 156 G4cout << "MeanFreePath = " << currentInteractionLength/cm << "[cm]" <<G4endl;
>> 157 }
>> 158 #endif
111 159
112 private: << 160 G4double value = theNumberOfInteractionLengthLeft * currentInteractionLength;
>> 161 #ifdef G4VERBOSE
>> 162 if (verboseLevel>1){
>> 163 G4cout << "G4VContinuousDiscreteProcess::PostStepGetPhysicalInteractionLength ";
>> 164 G4cout << "[ " << GetProcessName() << "]" <<G4endl;
>> 165 track.GetDynamicParticle()->DumpInfo();
>> 166 G4cout << " in Material " << track.GetMaterial()->GetName() <<G4endl;
>> 167 G4cout << "InteractionLength= " << value/cm <<"[cm] " <<G4endl;
>> 168 }
>> 169 #endif
>> 170 return value;
>> 171 }
113 172
114 G4VContinuousDiscreteProcess(); <<
115 // Hidden default constructor <<
116 173
117 G4GPILSelection valueGPILSelection = Candi << 174 inline G4VParticleChange* G4VContinuousDiscreteProcess::PostStepDoIt(
118 // This is the returned value of G4GPILS << 175 const G4Track& ,
119 // the arguments of AlongStepGPIL() << 176 const G4Step&
120 }; << 177 )
>> 178 {
>> 179 // clear NumberOfInteractionLengthLeft
>> 180 ClearNumberOfInteractionLengthLeft();
>> 181 return pParticleChange;
>> 182 }
>> 183
>> 184 inline G4VParticleChange* G4VContinuousDiscreteProcess::AlongStepDoIt(
>> 185 const G4Track& ,
>> 186 const G4Step&
>> 187 )
>> 188 {
>> 189 // clear NumberOfInteractionLengthLeft
>> 190 ClearNumberOfInteractionLengthLeft();
>> 191 return pParticleChange;
>> 192 }
>> 193
>> 194 inline G4double G4VContinuousDiscreteProcess::AlongStepGetPhysicalInteractionLength(
>> 195 const G4Track& track,
>> 196 G4double previousStepSize,
>> 197 G4double currentMinimumStep,
>> 198 G4double& currentSafety,
>> 199 G4GPILSelection* selection
>> 200 )
>> 201 {
>> 202 // GPILSelection is set to defaule value of CandidateForSelection
>> 203 valueGPILSelection = CandidateForSelection;
>> 204
>> 205 // get Step limit proposed by the process
>> 206 G4double steplength = GetContinuousStepLimit(track,previousStepSize,currentMinimumStep, currentSafety);
>> 207
>> 208 // set return value for G4GPILSelection
>> 209 *selection = valueGPILSelection;
121 210
>> 211 #ifdef G4VERBOSE
>> 212 if (verboseLevel>1){
>> 213 G4cout << "G4VContinuousDiscreteProcess::AlongStepGetPhysicalInteractionLength ";
>> 214 G4cout << "[ " << GetProcessName() << "]" <<G4endl;
>> 215 track.GetDynamicParticle()->DumpInfo();
>> 216 G4cout << " in Material " << track.GetMaterial()->GetName() <<G4endl;
>> 217 G4cout << "IntractionLength= " << steplength/cm <<"[cm] " <<G4endl;
>> 218 }
122 #endif 219 #endif
>> 220 return steplength ;
>> 221 }
>> 222
>> 223 #endif
>> 224
>> 225
>> 226
>> 227
>> 228
>> 229
123 230