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25 // 22 //
26 // G4VContinuousDiscreteProcess <<
27 // 23 //
28 // Class description: << 24 // $Id: G4VContinuousDiscreteProcess.hh,v 1.7 2003/03/25 06:22:23 kurasige Exp $
>> 25 // GEANT4 tag $Name: geant4-07-00-patch-01 $
>> 26 //
>> 27 //
>> 28 // ------------------------------------------------------------
>> 29 // GEANT 4 class header file
>> 30 //
>> 31 // Abstract class which defines the public behavior of
29 // 32 //
30 // Abstract class which defines the public beh << 33 // Class Description
31 // discrete physics interactions. << 34 // discrete physics interactions.
>> 35 //
>> 36 // ------------------------------------------------------------
>> 37 // New Physics scheme 8 Mar. 1997 H.Kurahige
>> 38 // ------------------------------------------------------------
>> 39 // fix bugs in GetGPILSelection() 24 Jan. 1998 H.Kurashige
>> 40 // modified for new ParticleChange 12 Mar. 1998 H.Kurashige
>> 41 // Fixed a bug in PostStepGetPhysicalInteractionLength
>> 42 // 15 Apr. 2002 H.Kurashige
>> 43 //
32 44
33 // Authors: << 45 #ifndef G4VContinuousDiscreteProcess_h
34 // - 2 December 1995, G.Cosmo - First implemen << 46 #define G4VContinuousDiscreteProcess_h 1
35 // - 8 January 1997, H.Kurashige - New Physics <<
36 // ------------------------------------------- <<
37 #ifndef G4VContinuousDiscreteProcess_hh <<
38 #define G4VContinuousDiscreteProcess_hh 1 <<
39 47
40 #include "globals.hh" 48 #include "globals.hh"
41 #include "G4ios.hh" 49 #include "G4ios.hh"
42 50
43 #include "G4VProcess.hh" 51 #include "G4VProcess.hh"
44 52
45 class G4VContinuousDiscreteProcess : public G4 53 class G4VContinuousDiscreteProcess : public G4VProcess
46 { 54 {
>> 55 // Abstract class which defines the public behavior of
>> 56 // discrete physics interactions.
47 public: 57 public:
48 58
49 G4VContinuousDiscreteProcess(const G4Strin << 59 G4VContinuousDiscreteProcess(const G4String& ,
50 G4ProcessType << 60 G4ProcessType aType = fNotDefined );
51 G4VContinuousDiscreteProcess(G4VContinuous << 61 G4VContinuousDiscreteProcess(G4VContinuousDiscreteProcess &);
52 62
53 virtual ~G4VContinuousDiscreteProcess(); << 63 virtual ~G4VContinuousDiscreteProcess();
54 64
55 G4VContinuousDiscreteProcess& operator=(co << 65 public :// with description
56 << 66 virtual G4double PostStepGetPhysicalInteractionLength(
57 virtual G4double PostStepGetPhysicalIntera <<
58 const G4Track& tr 67 const G4Track& track,
59 G4double previo << 68 G4double previousStepSize,
60 G4ForceCondition* << 69 G4ForceCondition* condition
61 ); << 70 );
62 << 71
63 virtual G4VParticleChange* PostStepDoIt( << 72 virtual G4VParticleChange* PostStepDoIt(
64 const G4Track& , << 73 const G4Track& ,
65 const G4Step& << 74 const G4Step&
66 ); << 75 );
67 76
68 virtual G4double AlongStepGetPhysicalInter << 77 virtual G4double AlongStepGetPhysicalInteractionLength(
69 const G4Track&, 78 const G4Track&,
70 G4double previou 79 G4double previousStepSize,
71 G4double current 80 G4double currentMinimumStep,
72 G4double& current << 81 G4double& currentSafety,
73 G4GPILSelection* 82 G4GPILSelection* selection
74 ); << 83 );
75 84
76 virtual G4VParticleChange* AlongStepDoIt( << 85 virtual G4VParticleChange* AlongStepDoIt(
77 const G4Track& , << 86 const G4Track& ,
78 const G4Step& << 87 const G4Step&
79 ); << 88 );
80 89
81 virtual G4double AtRestGetPhysicalInteract << 90 // no operation in AtRestDoIt
>> 91 virtual G4double AtRestGetPhysicalInteractionLength(
82 const G4Track& , 92 const G4Track& ,
83 G4ForceCondition* << 93 G4ForceCondition*
84 ) { return -1.0; } << 94 ) { return -1.0; };
85 // No operation in AtRestDoIt <<
86 95
87 virtual G4VParticleChange* AtRestDoIt( << 96 // no operation in AtRestDoIt
88 const G4Track& , << 97 virtual G4VParticleChange* AtRestDoIt(
89 const G4Step& << 98 const G4Track& ,
90 ) { return 0; } << 99 const G4Step&
91 // No operation in AtRestDoIt << 100 ) {return 0;};
92 101
93 protected: << 102 protected:// with description
94 << 103 virtual G4double GetMeanFreePath(const G4Track& aTrack,
95 virtual G4double GetMeanFreePath(const G4T << 104 G4double previousStepSize,
96 G4double previous << 105 G4ForceCondition* condition
97 G4ForceCondition* << 106 )=0;
98 // Calculates from the macroscopic cross << 107 // Calculates from the macroscopic cross section a mean
99 // free path, the value is returned in u << 108 // free path, the value is returned in units of distance.
100 109
>> 110 protected:// with description
101 virtual G4double GetContinuousStepLimit(co 111 virtual G4double GetContinuousStepLimit(const G4Track& aTrack,
102 G4double previou 112 G4double previousStepSize,
103 G4double current 113 G4double currentMinimumStep,
104 G4double& current << 114 G4double& currentSafety
>> 115 )=0;
>> 116 private:
>> 117 // this is the returnd value of G4GPILSelection in
>> 118 // the arguments of AlongStepGPIL()
>> 119 G4GPILSelection valueGPILSelection;
>> 120
>> 121 protected:// with description
>> 122 // these two methods are set/get methods for valueGPILSelection
>> 123 void SetGPILSelection(G4GPILSelection selection)
>> 124 { valueGPILSelection = selection;};
>> 125
>> 126 G4GPILSelection GetGPILSelection() const{return valueGPILSelection;};
>> 127
>> 128 private:
>> 129 // hide default constructor and assignment operator as private
>> 130 G4VContinuousDiscreteProcess();
>> 131 G4VContinuousDiscreteProcess & operator=(const G4VContinuousDiscreteProcess &right);
105 132
106 inline void SetGPILSelection(G4GPILSelecti << 133 };
107 { valueGPILSelection = selection; } << 134 // -----------------------------------------
>> 135 // inlined function members implementation
>> 136 // -----------------------------------------
>> 137 #include "G4Step.hh"
>> 138 #include "G4Track.hh"
>> 139 #include "G4MaterialTable.hh"
>> 140 #include "G4VParticleChange.hh"
108 141
109 inline G4GPILSelection GetGPILSelection() << 142 inline G4double G4VContinuousDiscreteProcess::PostStepGetPhysicalInteractionLength(
110 { return valueGPILSelection; } << 143 const G4Track& track,
>> 144 G4double previousStepSize,
>> 145 G4ForceCondition* condition
>> 146 )
>> 147 {
>> 148 if ( (previousStepSize <=0.0) || (theNumberOfInteractionLengthLeft<=0.0)) {
>> 149 // beggining of tracking (or just after DoIt of this process)
>> 150 ResetNumberOfInteractionLengthLeft();
>> 151 } else {
>> 152 // subtract NumberOfInteractionLengthLeft
>> 153 SubtractNumberOfInteractionLengthLeft(previousStepSize);
>> 154 if(theNumberOfInteractionLengthLeft<0.)
>> 155 theNumberOfInteractionLengthLeft=perMillion;
>> 156 }
>> 157
>> 158 // condition is set to "Not Forced"
>> 159 *condition = NotForced;
>> 160
>> 161 // get mean free path
>> 162 currentInteractionLength = GetMeanFreePath(track, previousStepSize, condition);
>> 163
>> 164 #ifdef G4VERBOSE
>> 165 if ((currentInteractionLength <=0.0) || (verboseLevel>2)){
>> 166 G4cout << "G4VContinuousDiscreteProcess::PostStepGetPhysicalInteractionLength ";
>> 167 G4cout << "[ " << GetProcessName() << "]" <<G4endl;
>> 168 track.GetDynamicParticle()->DumpInfo();
>> 169 G4cout << " in Material " << track.GetMaterial()->GetName() <<G4endl;
>> 170 G4cout << "MeanFreePath = " << currentInteractionLength/cm << "[cm]" <<G4endl;
>> 171 }
>> 172 #endif
111 173
112 private: << 174 G4double value;
>> 175 if (currentInteractionLength <DBL_MAX) {
>> 176 value = theNumberOfInteractionLengthLeft * currentInteractionLength;
>> 177 } else {
>> 178 value = DBL_MAX;
>> 179 }
>> 180 #ifdef G4VERBOSE
>> 181 if (verboseLevel>1){
>> 182 G4cout << "G4VContinuousDiscreteProcess::PostStepGetPhysicalInteractionLength ";
>> 183 G4cout << "[ " << GetProcessName() << "]" <<G4endl;
>> 184 track.GetDynamicParticle()->DumpInfo();
>> 185 G4cout << " in Material " << track.GetMaterial()->GetName() <<G4endl;
>> 186 G4cout << "InteractionLength= " << value/cm <<"[cm] " <<G4endl;
>> 187 }
>> 188 #endif
>> 189 return value;
>> 190 }
113 191
114 G4VContinuousDiscreteProcess(); <<
115 // Hidden default constructor <<
116 192
117 G4GPILSelection valueGPILSelection = Candi << 193 inline G4VParticleChange* G4VContinuousDiscreteProcess::PostStepDoIt(
118 // This is the returned value of G4GPILS << 194 const G4Track& ,
119 // the arguments of AlongStepGPIL() << 195 const G4Step&
120 }; << 196 )
>> 197 {
>> 198 // clear NumberOfInteractionLengthLeft
>> 199 ClearNumberOfInteractionLengthLeft();
>> 200 return pParticleChange;
>> 201 }
>> 202
>> 203 inline G4VParticleChange* G4VContinuousDiscreteProcess::AlongStepDoIt(
>> 204 const G4Track& ,
>> 205 const G4Step&
>> 206 )
>> 207 {
>> 208 // clear NumberOfInteractionLengthLeft
>> 209 ClearNumberOfInteractionLengthLeft();
>> 210 return pParticleChange;
>> 211 }
>> 212
>> 213 inline G4double G4VContinuousDiscreteProcess::AlongStepGetPhysicalInteractionLength(
>> 214 const G4Track& track,
>> 215 G4double previousStepSize,
>> 216 G4double currentMinimumStep,
>> 217 G4double& currentSafety,
>> 218 G4GPILSelection* selection
>> 219 )
>> 220 {
>> 221 // GPILSelection is set to defaule value of CandidateForSelection
>> 222 valueGPILSelection = CandidateForSelection;
>> 223
>> 224 // get Step limit proposed by the process
>> 225 G4double steplength = GetContinuousStepLimit(track,previousStepSize,currentMinimumStep, currentSafety);
>> 226
>> 227 // set return value for G4GPILSelection
>> 228 *selection = valueGPILSelection;
>> 229
>> 230 #ifdef G4VERBOSE
>> 231 if (verboseLevel>1){
>> 232 G4cout << "G4VContinuousDiscreteProcess::AlongStepGetPhysicalInteractionLength ";
>> 233 G4cout << "[ " << GetProcessName() << "]" <<G4endl;
>> 234 track.GetDynamicParticle()->DumpInfo();
>> 235 G4cout << " in Material " << track.GetMaterial()->GetName() <<G4endl;
>> 236 G4cout << "IntractionLength= " << steplength/cm <<"[cm] " <<G4endl;
>> 237 }
>> 238 #endif
>> 239 return steplength ;
>> 240 }
121 241
122 #endif 242 #endif
>> 243
>> 244
>> 245
>> 246
>> 247
>> 248
123 249