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25 // 25 //
26 // G4Track class implementation <<
27 // 26 //
28 // Author: Katsuya Amako, KEK - 1996 << 27 // $Id: G4Track.cc,v 1.35 2010-09-21 00:33:05 kurasige Exp $
29 // Revisions: Hisaya Kurashige, 1998-2011 << 28 // GEANT4 tag $Name: geant4-09-04-patch-01 $
30 // ------------------------------------------- << 29 //
>> 30 //
>> 31 //---------------------------------------------------------------
>> 32 //
>> 33 // G4Track.cc
>> 34 //
>> 35 //---------------------------------------------------------------
>> 36 // Add copy constructor Hisaya Feb. 07 01
>> 37 // Fix GetVelocity Hisaya Feb. 17 01
>> 38 // Modification for G4TouchableHandle 22 Oct. 2001 R.Chytracek//
>> 39 // Fix GetVelocity (bug report #741) Horton-Smith Apr 14 2005
>> 40 // Remove massless check in GetVelocity 02 Apr. 09 H.Kurashige
31 41
32 #include "G4Track.hh" 42 #include "G4Track.hh"
33 #include "G4PhysicalConstants.hh" << 43 #include "G4ParticleTable.hh"
34 #include "G4VAuxiliaryTrackInformation.hh" <<
35 44
36 #include <iostream> << 45 G4Allocator<G4Track> aTrackAllocator;
37 #include <iomanip> <<
38 46
39 // ------------------------------------------- << 47 G4PhysicsLogVector* G4Track::velTable = 0;
40 G4Allocator<G4Track>*& aTrackAllocator() << 48
41 { << 49 const G4double G4Track::maxT = 100.0;
42 G4ThreadLocalStatic G4Allocator<G4Track>* _i << 50 const G4double G4Track::minT = 0.0001;
43 return _instance; <<
44 } <<
45 51
46 // ------------------------------------------- << 52 ///////////////////////////////////////////////////////////
47 G4Track::G4Track(G4DynamicParticle* apValueDyn 53 G4Track::G4Track(G4DynamicParticle* apValueDynamicParticle,
48 G4double aValueTime, 54 G4double aValueTime,
49 const G4ThreeVector& aValuePo 55 const G4ThreeVector& aValuePosition)
50 : fPosition(aValuePosition) << 56 ///////////////////////////////////////////////////////////
51 , fGlobalTime(aValueTime) << 57 : fCurrentStepNumber(0), fPosition(aValuePosition),
52 , fVelocity(c_light) << 58 fGlobalTime(aValueTime), fLocalTime(0.),
53 { << 59 fTrackLength(0.),
54 fpDynamicParticle = (apValueDynamicParticle) << 60 fParentID(0), fTrackID(0),
55 ? apValueDynamicParticle : << 61 fpDynamicParticle(apValueDynamicParticle),
>> 62 fTrackStatus(fAlive),
>> 63 fBelowThreshold(false), fGoodForTracking(false),
>> 64 fStepLength(0.0), fWeight(1.0),
>> 65 fpStep(0),
>> 66 fVtxKineticEnergy(0.0),
>> 67 fpLVAtVertex(0), fpCreatorProcess(0),
>> 68 fpUserInformation(0),
>> 69 prev_mat(0), groupvel(0),
>> 70 prev_velocity(0.0), prev_momentum(0.0),
>> 71 is_OpticalPhoton(false)
>> 72 {
>> 73 static G4bool isFirstTime = true;
>> 74 static G4ParticleDefinition* fOpticalPhoton =0;
>> 75 if ( isFirstTime ) {
>> 76 isFirstTime = false;
>> 77 // set fOpticalPhoton
>> 78 fOpticalPhoton = G4ParticleTable::GetParticleTable()->FindParticle("opticalphoton");
>> 79 }
56 // check if the particle type is Optical Pho 80 // check if the particle type is Optical Photon
57 is_OpticalPhoton = << 81 is_OpticalPhoton = (fpDynamicParticle->GetDefinition() == fOpticalPhoton);
58 (fpDynamicParticle->GetDefinition()->GetPD << 82
>> 83 if (velTable==0) PrepareVelocityTable();
59 } 84 }
60 85
61 // ------------------------------------------- << 86 //////////////////
62 G4Track::G4Track() 87 G4Track::G4Track()
63 : fVelocity(c_light) << 88 //////////////////
64 , fpDynamicParticle(new G4DynamicParticle()) << 89 : fCurrentStepNumber(0),
65 {} << 90 fGlobalTime(0), fLocalTime(0.),
66 << 91 fTrackLength(0.),
67 // ------------------------------------------- << 92 fParentID(0), fTrackID(0),
68 G4Track::G4Track(const G4Track& right,G4bool c << 93 fpDynamicParticle(0),
69 : fVelocity(c_light) << 94 fTrackStatus(fAlive),
>> 95 fBelowThreshold(false), fGoodForTracking(false),
>> 96 fStepLength(0.0), fWeight(1.0),
>> 97 fpStep(0),
>> 98 fVtxKineticEnergy(0.0),
>> 99 fpLVAtVertex(0), fpCreatorProcess(0),
>> 100 fpUserInformation(0),
>> 101 prev_mat(0), groupvel(0),
>> 102 prev_velocity(0.0), prev_momentum(0.0),
>> 103 is_OpticalPhoton(false)
>> 104 {
>> 105 }
>> 106 //////////////////
>> 107 G4Track::G4Track(const G4Track& right)
>> 108 //////////////////
>> 109 : fCurrentStepNumber(0),
>> 110 fGlobalTime(0), fLocalTime(0.),
>> 111 fTrackLength(0.),
>> 112 fParentID(0), fTrackID(0),
>> 113 fpDynamicParticle(0),
>> 114 fTrackStatus(fAlive),
>> 115 fBelowThreshold(false), fGoodForTracking(false),
>> 116 fStepLength(0.0), fWeight(1.0),
>> 117 fpStep(0),
>> 118 fVtxKineticEnergy(0.0),
>> 119 fpLVAtVertex(0), fpCreatorProcess(0),
>> 120 fpUserInformation(0),
>> 121 prev_mat(0), groupvel(0),
>> 122 prev_velocity(0.0), prev_momentum(0.0),
>> 123 is_OpticalPhoton(false)
70 { 124 {
71 fCopyTouchables = copyTouchables; <<
72 *this = right; 125 *this = right;
73 fCopyTouchables = true; <<
74 } 126 }
75 127
76 // ------------------------------------------- << 128 ///////////////////
77 G4Track::~G4Track() 129 G4Track::~G4Track()
>> 130 ///////////////////
78 { 131 {
79 delete fpDynamicParticle; << 132 delete fpDynamicParticle;
80 delete fpUserInformation; << 133 delete fpUserInformation;
81 ClearAuxiliaryTrackInformation(); << 134 }
82 } <<
83 <<
84 // ------------------------------------------- <<
85 G4Track& G4Track::operator=(const G4Track& rig <<
86 { <<
87 if(this != &right) <<
88 { <<
89 fPosition = right.fPosition; <<
90 fGlobalTime = right.fGlobalTime; <<
91 fLocalTime = right.fLocalTime; <<
92 fTrackLength = right.fTrackLength; <<
93 fWeight = right.fWeight; <<
94 fStepLength = right.fStepLength; <<
95 <<
96 // additional fields required for geometri <<
97 if(fCopyTouchables) { <<
98 fpTouchable = right.fpTouchable; <<
99 fpNextTouchable = right.fpNextTouchable; <<
100 fpOriginTouchable = right.fpOriginToucha <<
101 } <<
102 135
103 // Track ID (and Parent ID) is not copied << 136 //////////////////
104 fTrackID = 0; << 137 G4Track & G4Track::operator=(const G4Track &right)
105 fParentID = 0; << 138 //////////////////
106 << 139 {
107 // CurrentStepNumber is set to be 0 << 140 if (this != &right) {
108 fCurrentStepNumber = 0; << 141 fPosition = right.fPosition;
109 << 142 fGlobalTime = right.fGlobalTime;
110 // Creator model ID << 143 fLocalTime = right.fLocalTime;
111 fCreatorModelID = right.fCreatorModelID; << 144 fTrackLength = right.fTrackLength;
112 << 145 fWeight = right.fWeight;
113 // Parent resonance << 146 fStepLength = right.fStepLength;
114 fParentResonanceDef = right.fParentResonan << 147
115 fParentResonanceID = right.fParentResonan << 148 // Track ID (and Parent ID) is not copied and set to zero for new track
>> 149 fTrackID = 0;
>> 150 fParentID =0;
>> 151
>> 152 // CurrentStepNumber is set to be 0
>> 153 fCurrentStepNumber = 0;
>> 154
>> 155 // dynamic particle information
>> 156 fpDynamicParticle = new G4DynamicParticle(*(right.fpDynamicParticle));
>> 157
>> 158 // track status and flags for tracking
>> 159 fTrackStatus = right.fTrackStatus;
>> 160 fBelowThreshold = right.fBelowThreshold;
>> 161 fGoodForTracking = right.fGoodForTracking;
116 162
117 // velocity information << 163 // Step information (Step Length, Step Number, pointer to the Step,)
118 fVelocity = right.fVelocity; << 164 // are not copied
119 << 165 fpStep=0;
120 // dynamic particle information << 166
121 delete fpDynamicParticle; << 167 // vertex information
122 fpDynamicParticle = new G4DynamicParticle( << 168 fVtxPosition = right.fVtxPosition;
123 << 169 fpLVAtVertex = right.fpLVAtVertex;
124 // track status and flags for tracking << 170 fVtxKineticEnergy = right.fVtxKineticEnergy;
125 fTrackStatus = right.fTrackStatus; << 171 fVtxMomentumDirection = right.fVtxMomentumDirection;
126 fBelowThreshold = right.fBelowThreshold; << 172
127 fGoodForTracking = right.fGoodForTracking; << 173 // CreatorProcess and UserInformation are not copied
128 << 174 fpCreatorProcess = 0;
129 // Step information (Step Length, Step Num << 175 fpUserInformation = 0;
130 // are not copied << 176
131 fpStep = nullptr; << 177 prev_mat = right.prev_mat;
132 << 178 groupvel = right.groupvel;
133 // vertex information << 179 prev_velocity = right.prev_velocity;
134 fVtxPosition = right.fVtxPosition << 180 prev_momentum = right.prev_momentum;
135 fpLVAtVertex = right.fpLVAtVertex <<
136 fVtxKineticEnergy = right.fVtxKineticE <<
137 fVtxMomentumDirection = right.fVtxMomentum <<
138 <<
139 // CreatorProcess and UserInformation are <<
140 fpCreatorProcess = nullptr; <<
141 delete fpUserInformation; <<
142 fpUserInformation = nullptr; <<
143 <<
144 prev_mat = right.prev_mat; <<
145 groupvel = right.groupvel; <<
146 prev_velocity = right.prev_velocity; <<
147 prev_momentum = right.prev_momentum; <<
148 181
149 is_OpticalPhoton = right.is_OpticalPhoton; << 182 is_OpticalPhoton = right.is_OpticalPhoton;
150 useGivenVelocity = right.useGivenVelocity; <<
151 183
152 ClearAuxiliaryTrackInformation(); <<
153 } 184 }
154 return *this; 185 return *this;
155 } 186 }
156 187
157 // ------------------------------------------- << 188 ///////////////////
158 void G4Track::CopyTrackInfo(const G4Track& rig << 189 void G4Track::CopyTrackInfo(const G4Track& right)
>> 190 //////////////////
159 { 191 {
160 fCopyTouchables = copyTouchables; <<
161 *this = right; 192 *this = right;
162 fCopyTouchables = true; <<
163 } 193 }
164 194
165 // ------------------------------------------- << 195 ///////////////////
166 G4double G4Track::CalculateVelocityForOpticalP << 196 G4double G4Track::GetVelocity() const
167 { << 197 ///////////////////
168 G4double velocity = c_light; << 198 {
>> 199
>> 200 G4double velocity = c_light ;
>> 201
>> 202 G4double mass = fpDynamicParticle->GetMass();
169 203
170 G4Material* mat = nullptr; << 204 // special case for photons
171 G4bool update_groupvel = false; << 205 if ( is_OpticalPhoton ) {
172 if(fpStep != nullptr) <<
173 { <<
174 mat = this->GetMaterial(); // Fix for r <<
175 } <<
176 else <<
177 { <<
178 if(fpTouchable) <<
179 { <<
180 mat = fpTouchable->GetVolume()->GetLogic <<
181 } <<
182 } <<
183 // check if previous step is in the same vol <<
184 // and get new GROUPVELOCITY table if neces <<
185 if((mat != nullptr) && ((mat != prev_mat) || <<
186 { <<
187 groupvel = nullptr; <<
188 if(mat->GetMaterialPropertiesTable() != nu <<
189 groupvel = mat->GetMaterialPropertiesTab <<
190 update_groupvel = true; <<
191 } <<
192 prev_mat = mat; <<
193 206
194 if(groupvel != nullptr) << 207 G4Material* mat=0;
195 { << 208 G4bool update_groupvel = false;
196 // light velocity = c/(rindex+d(rindex)/d( << 209 if ( this->GetStep() ){
197 // values stored in GROUPVEL material prop << 210 mat= this->GetMaterial(); // Fix for repeated volumes
198 velocity = prev_velocity; << 211 }else{
199 << 212 if (fpTouchable!=0){
200 // check if momentum is same as in the pre << 213 mat=fpTouchable->GetVolume()->GetLogicalVolume()->GetMaterial();
201 // and calculate group velocity if necess << 214 }
202 G4double current_momentum = fpDynamicParti << 215 }
203 if(update_groupvel || (current_momentum != << 216 // check if previous step is in the same volume
204 { << 217 // and get new GROUPVELOCITY table if necessary
205 velocity = groupvel->Value(current_ << 218 if ((mat != 0) && ((mat != prev_mat)||(groupvel==0))) {
206 prev_velocity = velocity; << 219 groupvel = 0;
207 prev_momentum = current_momentum; << 220 if(mat->GetMaterialPropertiesTable() != 0)
>> 221 groupvel = mat->GetMaterialPropertiesTable()->GetProperty("GROUPVEL");
>> 222 update_groupvel = true;
>> 223 }
>> 224 prev_mat = mat;
>> 225
>> 226 if (groupvel != 0 ) {
>> 227 // light velocity = c/(rindex+d(rindex)/d(log(E_phot)))
>> 228 // values stored in GROUPVEL material properties vector
>> 229 velocity = prev_velocity;
>> 230
>> 231 // check if momentum is same as in the previous step
>> 232 // and calculate group velocity if necessary
>> 233 G4double current_momentum = fpDynamicParticle->GetTotalMomentum();
>> 234 if( update_groupvel || (current_momentum != prev_momentum) ) {
>> 235 velocity =
>> 236 groupvel->GetProperty(current_momentum);
>> 237 prev_velocity = velocity;
>> 238 prev_momentum = current_momentum;
>> 239 }
208 } 240 }
209 } <<
210 <<
211 return velocity; <<
212 } <<
213 <<
214 // ------------------------------------------- <<
215 void G4Track::SetAuxiliaryTrackInformation(G4i <<
216 G4VAuxiliaryTrackInformation* in <<
217 { <<
218 if(fpAuxiliaryTrackInformationMap == nullptr <<
219 { <<
220 fpAuxiliaryTrackInformationMap = <<
221 new std::map<G4int, G4VAuxiliaryTrackInf <<
222 } <<
223 if(G4PhysicsModelCatalog::GetModelIndex(id) <<
224 { <<
225 G4ExceptionDescription ED; <<
226 ED << "Process/model ID <" << id << "> is <<
227 G4Exception("G4VAuxiliaryTrackInformation: <<
228 "TRACK0982", FatalException, E <<
229 } <<
230 (*fpAuxiliaryTrackInformationMap)[id] = info <<
231 } <<
232 <<
233 // ------------------------------------------- <<
234 G4VAuxiliaryTrackInformation* <<
235 G4Track::GetAuxiliaryTrackInformation(G4int id <<
236 { <<
237 if(fpAuxiliaryTrackInformationMap == nullptr <<
238 return nullptr; <<
239 <<
240 auto itr = fpAuxiliaryTrackInformationMap->f <<
241 if(itr == fpAuxiliaryTrackInformationMap->ce <<
242 return nullptr; <<
243 return (*itr).second; <<
244 } <<
245 <<
246 // ------------------------------------------- <<
247 void G4Track::RemoveAuxiliaryTrackInformation( <<
248 { <<
249 if(fpAuxiliaryTrackInformationMap != nullptr <<
250 fpAuxiliaryTrackInformationMap->find(id) <<
251 { <<
252 fpAuxiliaryTrackInformationMap->erase(id); <<
253 } <<
254 } <<
255 241
256 // ------------------------------------------- << 242 } else {
257 void G4Track::RemoveAuxiliaryTrackInformation( << 243 // particles other than optical photon
258 { << 244 if (mass<DBL_MIN) {
259 if(fpAuxiliaryTrackInformationMap != nullptr << 245 // Zero Mass
260 { << 246 velocity = c_light;
261 G4int id = G4PhysicsModelCatalog::GetModel << 247 } else {
262 RemoveAuxiliaryTrackInformation(id); << 248 G4double T = (fpDynamicParticle->GetKineticEnergy())/mass;
>> 249 if (T > maxT) {
>> 250 velocity = c_light;
>> 251 } else if (T<DBL_MIN) {
>> 252 velocity =0.;
>> 253 } else if (T<minT) {
>> 254 velocity = c_light*std::sqrt(T*(T+2.))/(T+1.0);
>> 255 } else {
>> 256 velocity = velTable->Value(T);
>> 257 }
>> 258 }
>> 259
263 } 260 }
>> 261
>> 262 return velocity ;
264 } 263 }
265 264
266 // ------------------------------------------- << 265 ///////////////////
267 void G4Track::ClearAuxiliaryTrackInformation() << 266 void G4Track::PrepareVelocityTable()
>> 267 ///////////////////
268 { 268 {
269 if(fpAuxiliaryTrackInformationMap == nullptr << 269 const G4int NBIN=300;
270 return; << 270 velTable = new G4PhysicsLogVector(minT, maxT, NBIN);
271 for(const auto& itr : *fpAuxiliaryTrackInfor << 271 for (G4int i=0; i<=NBIN; i++){
272 { << 272 G4double T = velTable->Energy(i);
273 delete itr.second; << 273 velTable->PutValue(i, c_light*std::sqrt(T*(T+2.))/(T+1.0) );
274 } 274 }
275 delete fpAuxiliaryTrackInformationMap; << 275 return;
276 fpAuxiliaryTrackInformationMap = nullptr; <<
277 } 276 }
278 277