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25 // 25 //
26 // G4VRestContinuousDiscreteProcess <<
27 // 26 //
28 // Class description: << 27 // $Id: G4VRestContinuousDiscreteProcess.hh,v 1.8 2006/06/29 21:07:52 gunter Exp $
>> 28 // GEANT4 tag $Name: geant4-09-01-patch-01 $
>> 29 //
>> 30 //
>> 31 // ------------------------------------------------------------
>> 32 // GEANT 4 class header file
>> 33 //
>> 34 //
>> 35 // Class Description
>> 36 // Abstract class which defines the public behavior of
>> 37 // continuous and 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
29 // 46 //
30 // Abstract class which defines the public beh <<
31 // continuous and discrete physics interaction <<
32 47
33 // Authors: << 48 #ifndef G4VRestContinuousDiscreteProcess_h
34 // - 2 December 1995, G.Cosmo - First implemen << 49 #define G4VRestContinuousDiscreteProcess_h 1
35 // - 8 January 1997, H.Kurashige - New Physics <<
36 // ------------------------------------------- <<
37 #ifndef G4VRestContinuousDiscreteProcess_hh <<
38 #define G4VRestContinuousDiscreteProcess_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 G4VRestContinuousDiscreteProcess : publi 56 class G4VRestContinuousDiscreteProcess : public G4VProcess
46 { 57 {
>> 58 // Abstract class which defines the public behavior of
>> 59 // discrete physics interactions.
47 public: 60 public:
48 61
49 G4VRestContinuousDiscreteProcess(const G4S << 62 G4VRestContinuousDiscreteProcess(const G4String& ,
50 G4Process << 63 G4ProcessType aType = fNotDefined );
51 G4VRestContinuousDiscreteProcess(G4VRestCo << 64 G4VRestContinuousDiscreteProcess(G4VRestContinuousDiscreteProcess &);
>> 65
>> 66 virtual ~G4VRestContinuousDiscreteProcess();
52 67
53 virtual ~G4VRestContinuousDiscreteProcess( <<
54 68
55 G4VRestContinuousDiscreteProcess& operator << 69 public :// with description
>> 70 virtual G4double PostStepGetPhysicalInteractionLength(
>> 71 const G4Track& track,
>> 72 G4double previousStepSize,
>> 73 G4ForceCondition* condition
>> 74 );
>> 75
>> 76 virtual G4VParticleChange* PostStepDoIt(
>> 77 const G4Track& ,
>> 78 const G4Step&
>> 79 );
56 80
57 virtual G4double PostStepGetPhysicalIntera << 81 virtual G4double AlongStepGetPhysicalInteractionLength(
58 const G4Track& tr 82 const G4Track& track,
>> 83 G4double previousStepSize,
>> 84 G4double currentMinimumStep,
>> 85 G4double& currentSafety,
>> 86 G4GPILSelection* selection
>> 87 );
>> 88
>> 89 virtual G4VParticleChange* AlongStepDoIt(
>> 90 const G4Track& ,
>> 91 const G4Step&
>> 92 );
>> 93
>> 94 virtual G4double AtRestGetPhysicalInteractionLength(
>> 95 const G4Track& ,
>> 96 G4ForceCondition*
>> 97 );
>> 98
>> 99 virtual G4VParticleChange* AtRestDoIt(
>> 100 const G4Track& ,
>> 101 const G4Step&
>> 102 );
>> 103
>> 104 protected: // with description
>> 105 virtual G4double GetMeanLifeTime(const G4Track& aTrack,G4ForceCondition* condition)=0;
>> 106 // Calculates the mean life-time (i.e. for decays) of the
>> 107 // particle at rest due to the occurence of the given process,
>> 108 // or converts the probability of interaction (i.e. for
>> 109 // annihilation) into the life-time of the particle for the
>> 110 // occurence of the given process.
>> 111
>> 112 virtual G4double GetContinuousStepLimit(const G4Track& aTrack,
>> 113 G4double previousStepSize,
>> 114 G4double currentMinimumStep,
>> 115 G4double& currentSafety
>> 116 )=0;
>> 117 private:
>> 118 // this is the returnd value of G4GPILSelection in
>> 119 // the arguments of AlongStepGPIL()
>> 120 G4GPILSelection valueGPILSelection;
>> 121
>> 122 protected: // with description
>> 123 // these two methods are set/get methods for valueGPILSelection
>> 124 void SetGPILSelection(G4GPILSelection selection)
>> 125 { valueGPILSelection = selection;};
>> 126
>> 127 G4GPILSelection GetGPILSelection() const{return valueGPILSelection;};
>> 128
>> 129 protected: // with description
>> 130 virtual G4double GetMeanFreePath(const G4Track& aTrack,
59 G4double previo 131 G4double previousStepSize,
60 G4ForceCondition* 132 G4ForceCondition* condition
61 ); << 133 )=0;
>> 134 // Calculates from the macroscopic cross section a mean
>> 135 // free path, the value is returned in units of distance.
>> 136
>> 137 private:
>> 138 // hide default constructor and assignment operator as private
>> 139 G4VRestContinuousDiscreteProcess();
>> 140 G4VRestContinuousDiscreteProcess & operator=(const G4VRestContinuousDiscreteProcess &right);
62 141
63 virtual G4VParticleChange* PostStepDoIt( << 142 };
64 const G4Track& , << 143
65 const G4Step& << 144 // -----------------------------------------
66 ); << 145 // inlined function members implementation
>> 146 // -----------------------------------------
>> 147 #include "G4Step.hh"
>> 148 #include "G4Track.hh"
>> 149 #include "G4MaterialTable.hh"
>> 150 #include "G4VParticleChange.hh"
>> 151
>> 152 inline G4double G4VRestContinuousDiscreteProcess::AtRestGetPhysicalInteractionLength(
>> 153 const G4Track& track,
>> 154 G4ForceCondition* condition
>> 155 )
>> 156 {
>> 157 // beggining of tracking
>> 158 ResetNumberOfInteractionLengthLeft();
>> 159
>> 160 // condition is set to "Not Forced"
>> 161 *condition = NotForced;
67 162
68 virtual G4double AlongStepGetPhysicalInter << 163 // get mean life time
>> 164 currentInteractionLength = GetMeanLifeTime(track, condition);
>> 165
>> 166 #ifdef G4VERBOSE
>> 167 if ((currentInteractionLength <0.0) || (verboseLevel>2)){
>> 168 G4cout << "G4VRestContinuousDiscreteProcess::AtRestGetPhysicalInteractionLength ";
>> 169 G4cout << "[ " << GetProcessName() << "]" <<G4endl;
>> 170 track.GetDynamicParticle()->DumpInfo();
>> 171 G4cout << " in Material " << track.GetMaterial()->GetName() <<G4endl;
>> 172 G4cout << "MeanLifeTime = " << currentInteractionLength/ns << "[ns]" <<G4endl;
>> 173 }
>> 174 #endif
>> 175
>> 176 return theNumberOfInteractionLengthLeft * currentInteractionLength;
>> 177 }
>> 178
>> 179
>> 180 inline G4VParticleChange* G4VRestContinuousDiscreteProcess::AtRestDoIt(
>> 181 const G4Track&,
>> 182 const G4Step&
>> 183 )
>> 184 {
>> 185 // clear NumberOfInteractionLengthLeft
>> 186 ClearNumberOfInteractionLengthLeft();
>> 187
>> 188 return pParticleChange;
>> 189 }
>> 190
>> 191 inline G4double G4VRestContinuousDiscreteProcess::AlongStepGetPhysicalInteractionLength(
69 const G4Track& tr 192 const G4Track& track,
70 G4double previous << 193 G4double previousStepSize,
71 G4double currentM << 194 G4double currentMinimumStep,
72 G4double& current << 195 G4double& currentSafety,
73 G4GPILSelection* 196 G4GPILSelection* selection
74 ); << 197 )
>> 198 {
>> 199 // GPILSelection is set to defaule value of CandidateForSelection
>> 200 valueGPILSelection = CandidateForSelection;
75 201
76 virtual G4VParticleChange* AlongStepDoIt( << 202 // get Step limit proposed by the process
77 const G4Track& , << 203 G4double steplength = GetContinuousStepLimit(track,previousStepSize,currentMinimumStep, currentSafety);
78 const G4Step& <<
79 ); <<
80 <<
81 virtual G4double AtRestGetPhysicalInteract <<
82 const G4Track& , <<
83 G4ForceCondition* <<
84 ); <<
85 204
86 virtual G4VParticleChange* AtRestDoIt( << 205 // set return value for G4GPILSelection
87 const G4Track& , << 206 *selection = valueGPILSelection;
88 const G4Step& <<
89 ); <<
90 207
91 protected: << 208 #ifdef G4VERBOSE
>> 209 if (verboseLevel>1){
>> 210 G4cout << "G4VRestContinuousDiscreteProcess::AlongStepGetPhysicalInteractionLength ";
>> 211 G4cout << "[ " << GetProcessName() << "]" <<G4endl;
>> 212 track.GetDynamicParticle()->DumpInfo();
>> 213 G4cout << " in Material " << track.GetMaterial()->GetName() <<G4endl;
>> 214 G4cout << "IntractionLength= " << steplength/cm <<"[cm] " <<G4endl;
>> 215 }
>> 216 #endif
>> 217 return steplength ;
>> 218 }
92 219
93 virtual G4double GetMeanLifeTime( const G4 << 220 inline G4VParticleChange* G4VRestContinuousDiscreteProcess::AlongStepDoIt(
94 G4ForceC << 221 const G4Track& ,
95 // Calculates the mean life-time (i.e. f << 222 const G4Step&
96 // particle at rest due to the occurrenc << 223 )
97 // or converts the probability of intera << 224 {
98 // annihilation) into the life-time of t << 225 return pParticleChange;
99 // occurrence of the given process << 226 }
100 <<
101 virtual G4double GetContinuousStepLimit( c <<
102 G <<
103 G <<
104 G <<
105 <<
106 virtual G4double GetMeanFreePath( const G4 <<
107 G4double <<
108 G4ForceC <<
109 // Calculates from the macroscopic cross <<
110 // free path, the value is returned in u <<
111 227
112 inline void SetGPILSelection(G4GPILSelecti << 228 inline G4double G4VRestContinuousDiscreteProcess::PostStepGetPhysicalInteractionLength(
113 { valueGPILSelection = selection; } << 229 const G4Track& track,
>> 230 G4double previousStepSize,
>> 231 G4ForceCondition* condition
>> 232 )
>> 233 {
>> 234 if ( (previousStepSize <=0.0) || (theNumberOfInteractionLengthLeft<=0.0)) {
>> 235 // beggining of tracking (or just after DoIt of this process)
>> 236 ResetNumberOfInteractionLengthLeft();
>> 237 } else {
>> 238 // subtract NumberOfInteractionLengthLeft
>> 239 SubtractNumberOfInteractionLengthLeft(previousStepSize);
>> 240 if(theNumberOfInteractionLengthLeft<0.)
>> 241 theNumberOfInteractionLengthLeft=perMillion;
>> 242 }
>> 243
>> 244 // condition is set to "Not Forced"
>> 245 *condition = NotForced;
>> 246
>> 247 // get mean free path
>> 248 currentInteractionLength = GetMeanFreePath(track, previousStepSize, condition);
>> 249
>> 250 #ifdef G4VERBOSE
>> 251 if ((currentInteractionLength <=0.0) || (verboseLevel>2)){
>> 252 G4cout << "G4VRestContinuousDiscreteProcess::PostStepGetPhysicalInteractionLength ";
>> 253 G4cout << "[ " << GetProcessName() << "]" <<G4endl;
>> 254 track.GetDynamicParticle()->DumpInfo();
>> 255 G4cout << " in Material " << track.GetMaterial()->GetName() <<G4endl;
>> 256 G4cout << "MeanFreePath = " << currentInteractionLength/cm << "[cm]" <<G4endl;
>> 257 }
>> 258 #endif
114 259
115 inline G4GPILSelection GetGPILSelection() << 260 G4double value;
116 { return valueGPILSelection; } << 261 if (currentInteractionLength <DBL_MAX) {
>> 262 value = theNumberOfInteractionLengthLeft * currentInteractionLength;
>> 263 } else {
>> 264 value = DBL_MAX;
>> 265 }
>> 266 #ifdef G4VERBOSE
>> 267 if (verboseLevel>1){
>> 268 G4cout << "G4VRestContinuousDiscreteProcess::PostStepGetPhysicalInteractionLength ";
>> 269 G4cout << "[ " << GetProcessName() << "]" <<G4endl;
>> 270 track.GetDynamicParticle()->DumpInfo();
>> 271 G4cout << " in Material " << track.GetMaterial()->GetName() <<G4endl;
>> 272 G4cout << "InteractionLength= " << value/cm <<"[cm] " <<G4endl;
>> 273 }
>> 274 #endif
>> 275 return value;
>> 276 }
117 277
118 private: << 278 inline G4VParticleChange* G4VRestContinuousDiscreteProcess::PostStepDoIt(
>> 279 const G4Track& ,
>> 280 const G4Step&
>> 281 )
>> 282 {
>> 283 // clear NumberOfInteractionLengthLeft
>> 284 ClearNumberOfInteractionLengthLeft();
119 285
120 G4VRestContinuousDiscreteProcess(); << 286 return pParticleChange;
121 // Hidden default constructor << 287 }
122 288
123 G4GPILSelection valueGPILSelection = Candi <<
124 // This is the returned value of G4GPILS <<
125 // the arguments of AlongStepGPIL() <<
126 }; <<
127 289
128 #endif 290 #endif
>> 291
129 292