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25 // 25 //
26 // G4VContinuousDiscreteProcess <<
27 // 26 //
28 // Class description: << 27 // $Id: G4VContinuousDiscreteProcess.hh,v 1.9 2007/11/15 04:10:18 kurasige Exp $
>> 28 // GEANT4 tag $Name: geant4-09-02 $
>> 29 //
>> 30 //
>> 31 // ------------------------------------------------------------
>> 32 // GEANT 4 class header file
>> 33 //
>> 34 // Abstract class which defines the public behavior of
29 // 35 //
30 // Abstract class which defines the public beh << 36 // Class Description
31 // discrete physics interactions. << 37 // discrete physics interactions.
>> 38 //
>> 39 // ------------------------------------------------------------
>> 40 // New Physics scheme 8 Mar. 1997 H.Kurahige
>> 41 // ------------------------------------------------------------
>> 42 // fix bugs in GetGPILSelection() 24 Jan. 1998 H.Kurashige
>> 43 // modified for new ParticleChange 12 Mar. 1998 H.Kurashige
>> 44 // Fixed a bug in PostStepGetPhysicalInteractionLength
>> 45 // 15 Apr. 2002 H.Kurashige
>> 46 //
32 47
33 // Authors: << 48 #ifndef G4VContinuousDiscreteProcess_h
34 // - 2 December 1995, G.Cosmo - First implemen << 49 #define G4VContinuousDiscreteProcess_h 1
35 // - 8 January 1997, H.Kurashige - New Physics <<
36 // ------------------------------------------- <<
37 #ifndef G4VContinuousDiscreteProcess_hh <<
38 #define G4VContinuousDiscreteProcess_hh 1 <<
39 50
40 #include "globals.hh" 51 #include "globals.hh"
41 #include "G4ios.hh" 52 #include "G4ios.hh"
42 53
43 #include "G4VProcess.hh" 54 #include "G4VProcess.hh"
44 55
45 class G4VContinuousDiscreteProcess : public G4 56 class G4VContinuousDiscreteProcess : public G4VProcess
46 { 57 {
>> 58 // Abstract class which defines the public behavior of
>> 59 // discrete physics interactions.
47 public: 60 public:
48 61
49 G4VContinuousDiscreteProcess(const G4Strin << 62 G4VContinuousDiscreteProcess(const G4String& ,
50 G4ProcessType << 63 G4ProcessType aType = fNotDefined );
51 G4VContinuousDiscreteProcess(G4VContinuous << 64 G4VContinuousDiscreteProcess(G4VContinuousDiscreteProcess &);
52 65
53 virtual ~G4VContinuousDiscreteProcess(); << 66 virtual ~G4VContinuousDiscreteProcess();
54 67
55 G4VContinuousDiscreteProcess& operator=(co << 68 public :// with description
56 << 69 virtual G4double PostStepGetPhysicalInteractionLength(
57 virtual G4double PostStepGetPhysicalIntera <<
58 const G4Track& tr 70 const G4Track& track,
59 G4double previo << 71 G4double previousStepSize,
60 G4ForceCondition* << 72 G4ForceCondition* condition
61 ); << 73 );
62 << 74
63 virtual G4VParticleChange* PostStepDoIt( << 75 virtual G4VParticleChange* PostStepDoIt(
64 const G4Track& , << 76 const G4Track& ,
65 const G4Step& << 77 const G4Step&
66 ); << 78 );
67 79
68 virtual G4double AlongStepGetPhysicalInter << 80 virtual G4double AlongStepGetPhysicalInteractionLength(
69 const G4Track&, 81 const G4Track&,
70 G4double previou 82 G4double previousStepSize,
71 G4double current 83 G4double currentMinimumStep,
72 G4double& current << 84 G4double& currentSafety,
73 G4GPILSelection* 85 G4GPILSelection* selection
74 ); << 86 );
75 87
76 virtual G4VParticleChange* AlongStepDoIt( << 88 virtual G4VParticleChange* AlongStepDoIt(
77 const G4Track& , << 89 const G4Track& ,
78 const G4Step& << 90 const G4Step&
79 ); << 91 );
80 92
81 virtual G4double AtRestGetPhysicalInteract << 93 // no operation in AtRestDoIt
>> 94 virtual G4double AtRestGetPhysicalInteractionLength(
82 const G4Track& , 95 const G4Track& ,
83 G4ForceCondition* << 96 G4ForceCondition*
84 ) { return -1.0; } << 97 ) { return -1.0; };
85 // No operation in AtRestDoIt <<
86 98
87 virtual G4VParticleChange* AtRestDoIt( << 99 // no operation in AtRestDoIt
88 const G4Track& , << 100 virtual G4VParticleChange* AtRestDoIt(
89 const G4Step& << 101 const G4Track& ,
90 ) { return 0; } << 102 const G4Step&
91 // No operation in AtRestDoIt << 103 ) {return 0;};
92 104
93 protected: << 105 protected:// with description
94 << 106 virtual G4double GetMeanFreePath(const G4Track& aTrack,
95 virtual G4double GetMeanFreePath(const G4T << 107 G4double previousStepSize,
96 G4double previous << 108 G4ForceCondition* condition
97 G4ForceCondition* << 109 )=0;
98 // Calculates from the macroscopic cross << 110 // Calculates from the macroscopic cross section a mean
99 // free path, the value is returned in u << 111 // free path, the value is returned in units of distance.
100 112
>> 113 protected:// with description
101 virtual G4double GetContinuousStepLimit(co 114 virtual G4double GetContinuousStepLimit(const G4Track& aTrack,
102 G4double previou 115 G4double previousStepSize,
103 G4double current 116 G4double currentMinimumStep,
104 G4double& current << 117 G4double& currentSafety
>> 118 )=0;
>> 119 private:
>> 120 // this is the returnd value of G4GPILSelection in
>> 121 // the arguments of AlongStepGPIL()
>> 122 G4GPILSelection valueGPILSelection;
>> 123
>> 124 protected:// with description
>> 125 // these two methods are set/get methods for valueGPILSelection
>> 126 void SetGPILSelection(G4GPILSelection selection)
>> 127 { valueGPILSelection = selection;};
>> 128
>> 129 G4GPILSelection GetGPILSelection() const{return valueGPILSelection;};
>> 130
>> 131 private:
>> 132 // hide default constructor and assignment operator as private
>> 133 G4VContinuousDiscreteProcess();
>> 134 G4VContinuousDiscreteProcess & operator=(const G4VContinuousDiscreteProcess &right);
105 135
106 inline void SetGPILSelection(G4GPILSelecti << 136 };
107 { valueGPILSelection = selection; } << 137 // -----------------------------------------
>> 138 // inlined function members implementation
>> 139 // -----------------------------------------
>> 140 #include "G4Step.hh"
>> 141 #include "G4Track.hh"
>> 142 #include "G4MaterialTable.hh"
>> 143 #include "G4VParticleChange.hh"
108 144
109 inline G4GPILSelection GetGPILSelection() << 145 inline G4double G4VContinuousDiscreteProcess::PostStepGetPhysicalInteractionLength(
110 { return valueGPILSelection; } << 146 const G4Track& track,
>> 147 G4double previousStepSize,
>> 148 G4ForceCondition* condition
>> 149 )
>> 150 {
>> 151 if ( (previousStepSize <=0.0) || (theNumberOfInteractionLengthLeft<=0.0)) {
>> 152 // beggining of tracking (or just after DoIt of this process)
>> 153 ResetNumberOfInteractionLengthLeft();
>> 154 } else if ( previousStepSize > 0.0) {
>> 155 // subtract NumberOfInteractionLengthLeft
>> 156 SubtractNumberOfInteractionLengthLeft(previousStepSize);
>> 157 } else {
>> 158 // zero step
>> 159 // DO NOTHING
>> 160 }
>> 161
>> 162 // condition is set to "Not Forced"
>> 163 *condition = NotForced;
>> 164
>> 165 // get mean free path
>> 166 currentInteractionLength = GetMeanFreePath(track, previousStepSize, condition);
>> 167
>> 168 G4double value;
>> 169 if (currentInteractionLength <DBL_MAX) {
>> 170 value = theNumberOfInteractionLengthLeft * currentInteractionLength;
>> 171 } else {
>> 172 value = DBL_MAX;
>> 173 }
>> 174 #ifdef G4VERBOSE
>> 175 if (verboseLevel>1){
>> 176 G4cout << "G4VContinuousDiscreteProcess::PostStepGetPhysicalInteractionLength ";
>> 177 G4cout << "[ " << GetProcessName() << "]" <<G4endl;
>> 178 track.GetDynamicParticle()->DumpInfo();
>> 179 G4cout << " in Material " << track.GetMaterial()->GetName() <<G4endl;
>> 180 G4cout << "InteractionLength= " << value/cm <<"[cm] " <<G4endl;
>> 181 }
>> 182 #endif
>> 183 return value;
>> 184 }
111 185
112 private: <<
113 186
114 G4VContinuousDiscreteProcess(); << 187 inline G4VParticleChange* G4VContinuousDiscreteProcess::PostStepDoIt(
115 // Hidden default constructor << 188 const G4Track& ,
>> 189 const G4Step&
>> 190 )
>> 191 {
>> 192 // clear NumberOfInteractionLengthLeft
>> 193 ClearNumberOfInteractionLengthLeft();
>> 194 return pParticleChange;
>> 195 }
>> 196
>> 197 inline G4VParticleChange* G4VContinuousDiscreteProcess::AlongStepDoIt(
>> 198 const G4Track& ,
>> 199 const G4Step&
>> 200 )
>> 201 {
>> 202 // clear NumberOfInteractionLengthLeft
>> 203 ClearNumberOfInteractionLengthLeft();
>> 204 return pParticleChange;
>> 205 }
116 206
117 G4GPILSelection valueGPILSelection = Candi << 207 inline G4double G4VContinuousDiscreteProcess::AlongStepGetPhysicalInteractionLength(
118 // This is the returned value of G4GPILS << 208 const G4Track& track,
119 // the arguments of AlongStepGPIL() << 209 G4double previousStepSize,
120 }; << 210 G4double currentMinimumStep,
>> 211 G4double& currentSafety,
>> 212 G4GPILSelection* selection
>> 213 )
>> 214 {
>> 215 // GPILSelection is set to defaule value of CandidateForSelection
>> 216 valueGPILSelection = CandidateForSelection;
>> 217
>> 218 // get Step limit proposed by the process
>> 219 G4double steplength = GetContinuousStepLimit(track,previousStepSize,currentMinimumStep, currentSafety);
>> 220
>> 221 // set return value for G4GPILSelection
>> 222 *selection = valueGPILSelection;
121 223
>> 224 #ifdef G4VERBOSE
>> 225 if (verboseLevel>1){
>> 226 G4cout << "G4VContinuousDiscreteProcess::AlongStepGetPhysicalInteractionLength ";
>> 227 G4cout << "[ " << GetProcessName() << "]" <<G4endl;
>> 228 track.GetDynamicParticle()->DumpInfo();
>> 229 G4cout << " in Material " << track.GetMaterial()->GetName() <<G4endl;
>> 230 G4cout << "IntractionLength= " << steplength/cm <<"[cm] " <<G4endl;
>> 231 }
122 #endif 232 #endif
>> 233 return steplength ;
>> 234 }
>> 235
>> 236 #endif
>> 237
>> 238
>> 239
>> 240
>> 241
>> 242
123 243