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25 // 25 //
26 // G4Track <<
27 // 26 //
28 // Class description: << 27 // $Id: G4Track.hh,v 1.23 2010-11-08 21:25:38 asaim Exp $
>> 28 // GEANT4 tag $Name: geant4-09-04-patch-01 $
29 // 29 //
30 // This class describes the particle under tra << 30 //
31 // It includes information related to tracking << 31 //---------------------------------------------------------------
>> 32 //
>> 33 // G4Track.hh
>> 34 //
>> 35 // Class Description:
>> 36 // This class represents the partilce under tracking.
>> 37 // It includes information related to tracking for examples:
32 // 1) current position/time of the particl 38 // 1) current position/time of the particle,
33 // 2) static particle information, 39 // 2) static particle information,
34 // 3) the pointer to the physical volume w 40 // 3) the pointer to the physical volume where currently
35 // the particle exists 41 // the particle exists
36 << 42 //
37 // Author: Katsuya Amako, KEK - 1995 << 43 //---------------------------------------------------------------
38 // Revisions: Hisaya Kurashige, 1998-2011 << 44 // Modification for G4TouchableHandle 22 Oct. 2001 R.Chytracek
39 // ------------------------------------------- << 45 // Add MaterialCutCouple 08 Oct. 2002 H.Kurashige
40 #ifndef G4Track_hh << 46
41 #define G4Track_hh 1 << 47 #ifndef G4Track_h
42 << 48 #define G4Track_h 1
43 #include <cmath> // Include from 'system' << 49
44 #include <map> << 50 #include "globals.hh" // Include from 'global'
45 #include <CLHEP/Units/PhysicalConstants.h> << 51 #include <cmath> // Include from 'system'
46 << 52 #include "G4ThreeVector.hh" // Include from 'geometry'
47 #include "globals.hh" // Include fr << 53 #include "G4LogicalVolume.hh" // Include from 'geometry'
48 #include "trkdefs.hh" // Include DL << 54 #include "G4VPhysicalVolume.hh" // Include from 'geometry'
49 #include "G4ThreeVector.hh" // Include fr << 55 #include "G4Allocator.hh" // Include from 'particle+matter'
50 #include "G4LogicalVolume.hh" // Include fr << 56 #include "G4DynamicParticle.hh" // Include from 'particle+matter'
51 #include "G4VPhysicalVolume.hh" // Include fr << 57 #include "G4TrackStatus.hh" // Include from 'tracking'
52 #include "G4Allocator.hh" // Include fr << 58 #include "G4TouchableHandle.hh" // Include from 'geometry'
53 #include "G4DynamicParticle.hh" // Include fr <<
54 #include "G4TrackStatus.hh" // Include fr <<
55 #include "G4TouchableHandle.hh" // Include fr <<
56 #include "G4VUserTrackInformation.hh" 59 #include "G4VUserTrackInformation.hh"
57 #include "G4PhysicsModelCatalog.hh" << 60
>> 61 #include "G4PhysicsLogVector.hh"
>> 62
58 #include "G4Material.hh" 63 #include "G4Material.hh"
59 64
60 class G4Step; // Forward declaration << 65 class G4Step; // Forward declaration
61 class G4MaterialCutsCouple; 66 class G4MaterialCutsCouple;
62 class G4VAuxiliaryTrackInformation; <<
63 class G4VProcess; <<
64 67
>> 68 //////////////
65 class G4Track 69 class G4Track
>> 70 //////////////
66 { 71 {
67 public: <<
68 G4Track(); <<
69 // Default constructor <<
70 G4Track(G4DynamicParticle* apValueDynamicP <<
71 G4double aValueTime, <<
72 const G4ThreeVector& aValuePositio <<
73 // Constructor - aValueTime is a global <<
74 72
75 G4Track(const G4Track&,G4bool copyTouchabl << 73 //--------
76 // Copy Constructor - copies members oth << 74 public: // With description
>> 75
>> 76 // Constructor
>> 77 G4Track();
>> 78 G4Track(G4DynamicParticle* apValueDynamicParticle,
>> 79 G4double aValueTime,
>> 80 const G4ThreeVector& aValuePosition);
>> 81 // aValueTime is a global time
>> 82 G4Track(const G4Track&);
>> 83 // Copy Constructor copys members other than tracking information
>> 84
>> 85 private:
>> 86 // Hide assignment operator as private
>> 87 G4Track& operator=(const G4Track&);
>> 88
>> 89 //--------
>> 90 public: // With description
77 91
78 ~G4Track(); << 92 // Destrcutor
79 // Destructor << 93 ~G4Track();
80 94
81 inline void* operator new(std::size_t); << 95 // Operators
>> 96 inline void *operator new(size_t);
82 // Override "new" for "G4Allocator". 97 // Override "new" for "G4Allocator".
83 inline void operator delete(void* aTrack); << 98 inline void operator delete(void *aTrack);
84 // Override "delete" for "G4Allocator". 99 // Override "delete" for "G4Allocator".
85 100
86 G4Track& operator=(const G4Track&); << 101 G4bool operator==( const G4Track& );
87 // Assignment operator << 102
88 << 103 //--------
89 inline G4bool operator==(const G4Track&); << 104 public: // With description
90 inline G4bool operator!=(const G4Track&); << 105 // Copy information of the track (w/o tracking information)
91 // Equality operators << 106 void CopyTrackInfo(const G4Track&);
>> 107
>> 108 // Get/Set functions
>> 109 // track ID
>> 110 G4int GetTrackID() const;
>> 111 void SetTrackID(const G4int aValue);
>> 112
>> 113 G4int GetParentID() const;
>> 114 void SetParentID(const G4int aValue);
>> 115
>> 116 // dynamic particle
>> 117 const G4DynamicParticle* GetDynamicParticle() const;
>> 118
>> 119 // particle definition
>> 120 const G4ParticleDefinition* GetParticleDefinition() const;
>> 121 // following method of GetDefinition remains
>> 122 // because of backward compatiblity. It will be removed in future
>> 123 G4ParticleDefinition* GetDefinition() const;
>> 124
>> 125 // position, time
>> 126 const G4ThreeVector& GetPosition() const;
>> 127 void SetPosition(const G4ThreeVector& aValue);
>> 128
>> 129 G4double GetGlobalTime() const;
>> 130 void SetGlobalTime(const G4double aValue);
>> 131 // Time since the event in which the track belongs is created.
>> 132
>> 133 G4double GetLocalTime() const;
>> 134 void SetLocalTime(const G4double aValue);
>> 135 // Time since the current track is created.
92 136
93 void CopyTrackInfo(const G4Track&, G4bool << 137 G4double GetProperTime() const;
94 // Copy information of the track (w/o tr << 138 void SetProperTime(const G4double aValue);
>> 139 // Proper time of the current track
95 140
96 inline G4int GetTrackID() const; << 141 // volume, material, touchable
97 inline void SetTrackID(const G4int aValue) << 142 G4VPhysicalVolume* GetVolume() const;
98 // Get/Set functions track ID << 143 G4VPhysicalVolume* GetNextVolume() const;
99 144
100 inline G4int GetParentID() const; << 145 G4Material* GetMaterial() const;
101 inline void SetParentID(const G4int aValue << 146 G4Material* GetNextMaterial() const;
102 147
103 inline const G4DynamicParticle* GetDynamic << 148 const G4MaterialCutsCouple* GetMaterialCutsCouple() const;
104 // Dynamic particle << 149 const G4MaterialCutsCouple* GetNextMaterialCutsCouple() const;
105 150
106 inline const G4ParticleDefinition* GetPart << 151 const G4VTouchable* GetTouchable() const;
107 // Particle definition << 152 const G4TouchableHandle& GetTouchableHandle() const;
108 inline G4ParticleDefinition* GetDefinition << 153 void SetTouchableHandle( const G4TouchableHandle& apValue);
109 // Obsolete, for backwards compatibility <<
110 154
111 inline const G4ThreeVector& GetPosition() << 155 const G4VTouchable* GetNextTouchable() const;
112 inline void SetPosition(const G4ThreeVecto << 156 const G4TouchableHandle& GetNextTouchableHandle() const;
113 // Position, time << 157 void SetNextTouchableHandle( const G4TouchableHandle& apValue);
114 158
115 inline G4double GetGlobalTime() const; << 159 const G4VTouchable* GetOriginTouchable() const;
116 inline void SetGlobalTime(const G4double a << 160 const G4TouchableHandle& GetOriginTouchableHandle() const;
117 // Time since the event in which the tra << 161 void SetOriginTouchableHandle( const G4TouchableHandle& apValue);
118 162
119 inline G4double GetLocalTime() const; << 163 // energy
120 inline void SetLocalTime(const G4double aV << 164 G4double GetKineticEnergy() const;
121 // Time since the current track is creat << 165 void SetKineticEnergy(const G4double aValue);
122 166
123 inline G4double GetProperTime() const; << 167 G4double GetTotalEnergy() const;
124 inline void SetProperTime(const G4double a <<
125 // Proper time of the current track <<
126 168
127 inline G4VPhysicalVolume* GetVolume() cons <<
128 inline G4VPhysicalVolume* GetNextVolume() <<
129 // Volume, material, touchable <<
130 <<
131 inline G4Material* GetMaterial() const; <<
132 inline G4Material* GetNextMaterial() const <<
133 <<
134 inline const G4MaterialCutsCouple* GetMate <<
135 inline const G4MaterialCutsCouple* GetNext <<
136 <<
137 inline const G4VTouchable* GetTouchable() <<
138 inline const G4TouchableHandle& GetTouchab <<
139 inline void SetTouchableHandle(const G4Tou <<
140 <<
141 inline const G4VTouchable* GetNextTouchabl <<
142 inline const G4TouchableHandle& GetNextTou <<
143 inline void SetNextTouchableHandle(const G <<
144 <<
145 inline const G4VTouchable* GetOriginToucha <<
146 inline const G4TouchableHandle& GetOriginT <<
147 inline void SetOriginTouchableHandle(const <<
148 <<
149 inline G4double GetKineticEnergy() const; <<
150 inline G4double GetTotalEnergy() const; <<
151 inline void SetKineticEnergy(const G4doubl <<
152 // Energy <<
153 <<
154 inline G4ThreeVector GetMomentum() const; <<
155 inline const G4ThreeVector& GetMomentumDir <<
156 inline void SetMomentumDirection(const G4T <<
157 // Momentum <<
158 <<
159 inline G4double GetVelocity() const; <<
160 inline void SetVelocity(G4double val); <<
161 // Velocity <<
162 <<
163 inline G4double CalculateVelocity() const; <<
164 G4double CalculateVelocityForOpticalPhoton <<
165 <<
166 inline G4bool UseGivenVelocity() const; <<
167 inline void UseGivenVelocity(G4bool val); <<
168 <<
169 inline const G4ThreeVector& GetPolarizatio <<
170 inline void SetPolarization(const G4ThreeV <<
171 // Polarization <<
172 <<
173 inline G4TrackStatus GetTrackStatus() cons <<
174 inline void SetTrackStatus(const G4TrackSt <<
175 // Track status, flags for tracking <<
176 <<
177 inline G4bool IsBelowThreshold() const; <<
178 inline void SetBelowThresholdFlag(G4bool v <<
179 // The flag of "BelowThreshold" is set t <<
180 // If this track energy is below thresho <<
181 // in this material is determined by the <<
182 <<
183 inline G4bool IsGoodForTracking() const; <<
184 inline void SetGoodForTrackingFlag(G4bool <<
185 // The flag of "GoodForTracking" is set <<
186 // if this track should be tracked <<
187 // even if the energy is below threshold <<
188 <<
189 inline G4double GetTrackLength() const; <<
190 inline void AddTrackLength(const G4double <<
191 // Accumulated track length <<
192 <<
193 inline const G4Step* GetStep() const; <<
194 inline void SetStep(const G4Step* aValue); <<
195 // Step information <<
196 <<
197 inline G4int GetCurrentStepNumber() const; <<
198 inline void IncrementCurrentStepNumber(); <<
199 <<
200 inline G4double GetStepLength() const; <<
201 inline void SetStepLength(G4double value); <<
202 // Before the end of the AlongStepDoIt() <<
203 // the initial value which is determined <<
204 // proposed by a physics process. After <<
205 // it will be set equal to 'StepLength' <<
206 <<
207 inline const G4ThreeVector& GetVertexPosit <<
208 inline void SetVertexPosition(const G4Thre <<
209 // Vertex (where this track was created) <<
210 <<
211 inline const G4ThreeVector& GetVertexMomen <<
212 inline void SetVertexMomentumDirection(con <<
213 <<
214 inline G4double GetVertexKineticEnergy() c <<
215 inline void SetVertexKineticEnergy(const G <<
216 <<
217 inline const G4LogicalVolume* GetLogicalVo <<
218 inline void SetLogicalVolumeAtVertex(const <<
219 <<
220 inline const G4VProcess* GetCreatorProcess <<
221 inline void SetCreatorProcess(const G4VPro <<
222 <<
223 inline void SetCreatorModelID(const G4int <<
224 inline G4int GetCreatorModelID() const; <<
225 inline G4int GetCreatorModelIndex() const; <<
226 inline const G4String GetCreatorModelName( <<
227 // Identification of the physics model t <<
228 // each of the three information (ID, in <<
229 // (the model ID and its name are suppos <<
230 // code, whereas the index is meant for <<
231 <<
232 inline const G4ParticleDefinition* GetPare <<
233 inline void SetParentResonanceDef(const G4 <<
234 inline G4int GetParentResonanceID() const; <<
235 inline void SetParentResonanceID(const G4i <<
236 inline G4bool HasParentResonance() const; <<
237 inline G4int GetParentResonancePDGEncoding <<
238 inline G4String GetParentResonanceName() c <<
239 inline G4double GetParentResonanceMass() c <<
240 // Because short-lived resonances (e.g. <<
241 // do not have corresponding track objec <<
242 // by a resonance parent, these methods <<
243 // regarding this short-lived parent. <<
244 // The ID is a unique (integer) identifi <<
245 // corresponds to the rounded integer of <<
246 // in keV), which allows to know if two <<
247 // from the same parent resonance: this <<
248 // the parent-track-ID (fParentID) which <<
249 // ancestor which is not a short-lived r <<
250 // a corresponding track object). <<
251 // In the case of a track non originatin <<
252 // the above "Get" methods return, respe <<
253 // 0, "", 0. <<
254 <<
255 inline G4double GetWeight() const; <<
256 inline void SetWeight(G4double aValue); <<
257 // Track weight; methods for manipulatin <<
258 <<
259 inline G4VUserTrackInformation* GetUserInf <<
260 inline void SetUserInformation(G4VUserTrac <<
261 // User information <<
262 <<
263 void SetAuxiliaryTrackInformation(G4int id <<
264 G4VAuxil <<
265 G4VAuxiliaryTrackInformation* GetAuxiliary <<
266 inline std::map<G4int, G4VAuxiliaryTrackIn <<
267 GetAuxiliaryTrackInformationMap() c <<
268 <<
269 void RemoveAuxiliaryTrackInformation(G4int <<
270 void RemoveAuxiliaryTrackInformation(G4Str <<
271 // Note: G4VAuxiliaryTrackInformation ob <<
272 <<
273 private: <<
274 <<
275 void ClearAuxiliaryTrackInformation(); <<
276 <<
277 // Member data <<
278 <<
279 G4ThreeVector fPosition; <<
280 // Current positon <<
281 G4double fGlobalTime = 0.0; <<
282 // Time since the event is created <<
283 G4double fLocalTime = 0.0; <<
284 // Time since the track is created <<
285 G4double fTrackLength = 0.0; <<
286 // Accumulated track length <<
287 169
288 G4double fVelocity = 0.0; << 170 // moemtnum
>> 171 const G4ThreeVector& GetMomentumDirection() const;
>> 172 void SetMomentumDirection(const G4ThreeVector& aValue);
>> 173
>> 174 G4ThreeVector GetMomentum() const;
>> 175
>> 176 G4double GetVelocity() const;
>> 177
>> 178
>> 179 // polarization
>> 180 const G4ThreeVector& GetPolarization() const;
>> 181 void SetPolarization(const G4ThreeVector& aValue);
>> 182
>> 183 // track status, flags for tracking
>> 184 G4TrackStatus GetTrackStatus() const;
>> 185 void SetTrackStatus(const G4TrackStatus aTrackStatus);
>> 186
>> 187 G4bool IsBelowThreshold() const;
>> 188 void SetBelowThresholdFlag(G4bool value = true);
>> 189 // The flag of "BelowThreshold" is set to true
>> 190 // if this track energy is below threshold energy
>> 191 // in this material determined by the range cut value
>> 192
>> 193 G4bool IsGoodForTracking() const;
>> 194 void SetGoodForTrackingFlag(G4bool value = true);
>> 195 // The flag of "GoodForTracking" is set by processes
>> 196 // if this track should be tracked
>> 197 // even if the energy is below threshold
>> 198
>> 199 // track length
>> 200 G4double GetTrackLength() const;
>> 201 void AddTrackLength(const G4double aValue);
>> 202 // Accumulated the track length
>> 203
>> 204 // step information
>> 205 const G4Step* GetStep() const;
>> 206 void SetStep(const G4Step* aValue);
>> 207
>> 208 G4int GetCurrentStepNumber() const;
>> 209 void IncrementCurrentStepNumber();
>> 210
>> 211 G4double GetStepLength() const;
>> 212 void SetStepLength(G4double value);
>> 213 // Before the end of the AlongStepDoIt loop,StepLength keeps
>> 214 // the initial value which is determined by the shortest geometrical Step
>> 215 // proposed by a physics process. After finishing the AlongStepDoIt,
>> 216 // it will be set equal to 'StepLength' in G4Step.
289 217
290 G4TouchableHandle fpTouchable; << 218 // vertex (,where this track was created) information
291 G4TouchableHandle fpNextTouchable; << 219 const G4ThreeVector& GetVertexPosition() const;
292 G4TouchableHandle fpOriginTouchable; << 220 void SetVertexPosition(const G4ThreeVector& aValue);
293 // Touchable Handle << 221
294 << 222 const G4ThreeVector& GetVertexMomentumDirection() const;
295 G4DynamicParticle* fpDynamicParticle = nul << 223 void SetVertexMomentumDirection(const G4ThreeVector& aValue);
296 mutable G4TrackStatus fTrackStatus = fAliv << 224
297 << 225 G4double GetVertexKineticEnergy() const;
298 G4double fStepLength = 0.0; << 226 void SetVertexKineticEnergy(const G4double aValue);
299 // Before the end of the AlongStepDoIt l << 227
300 // Step length which is determined by th << 228 const G4LogicalVolume* GetLogicalVolumeAtVertex() const;
>> 229 void SetLogicalVolumeAtVertex(const G4LogicalVolume* );
>> 230
>> 231 const G4VProcess* GetCreatorProcess() const;
>> 232 void SetCreatorProcess(const G4VProcess* aValue);
>> 233
>> 234 // track weight
>> 235 // These are methods for manipulating a weight for this track.
>> 236 G4double GetWeight() const;
>> 237 void SetWeight(G4double aValue);
>> 238
>> 239 // User information
>> 240 G4VUserTrackInformation* GetUserInformation() const;
>> 241 void SetUserInformation(G4VUserTrackInformation* aValue);
>> 242
>> 243 //---------
>> 244 private:
>> 245 //---------
>> 246 // prepare velocity table
>> 247 void PrepareVelocityTable();
>> 248
>> 249 // Member data
>> 250 G4int fCurrentStepNumber; // Total steps number up to now
>> 251 G4ThreeVector fPosition; // Current positon
>> 252 G4double fGlobalTime; // Time since the event is created
>> 253 G4double fLocalTime; // Time since the track is created
>> 254 G4double fTrackLength; // Accumulated track length
>> 255 G4int fParentID;
>> 256 G4int fTrackID;
>> 257
>> 258 G4TouchableHandle fpTouchable;
>> 259 G4TouchableHandle fpNextTouchable;
>> 260 G4TouchableHandle fpOriginTouchable;
>> 261 // Touchable Handle
>> 262
>> 263 G4DynamicParticle* fpDynamicParticle;
>> 264 G4TrackStatus fTrackStatus;
>> 265
>> 266 G4bool fBelowThreshold;
>> 267 // This flag is set to true if this track energy is below
>> 268 // threshold energy in this material determined by the range cut value
>> 269 G4bool fGoodForTracking;
>> 270 // This flag is set by processes if this track should be tracked
>> 271 // even if the energy is below threshold
>> 272
>> 273 G4double fStepLength;
>> 274 // Before the end of the AlongStepDoIt loop, this keeps the initial
>> 275 // Step length which is determined by the shortest geometrical Step
301 // proposed by a physics process. After 276 // proposed by a physics process. After finishing the AlongStepDoIt,
302 // this will be set equal to 'StepLength 277 // this will be set equal to 'StepLength' in G4Step.
303 278
304 G4double fWeight = 1.0; << 279 G4double fWeight;
305 // This is a weight for this track << 280 // This is a weight for this track
306 281
307 const G4Step* fpStep = nullptr; << 282 const G4Step* fpStep;
308 283
309 G4ThreeVector fVtxPosition; << 284 G4ThreeVector fVtxPosition; // (x,y,z) of the vertex
310 // (x,y,z) of the vertex << 285 G4ThreeVector fVtxMomentumDirection; // Momentum direction at the vertex
311 G4ThreeVector fVtxMomentumDirection; << 286 G4double fVtxKineticEnergy; // Kinetic energy at the vertex
312 // Momentum direction at the vertex << 287 const G4LogicalVolume* fpLVAtVertex; //Logical Volume at the vertex
313 G4double fVtxKineticEnergy = 0.0; << 288 const G4VProcess* fpCreatorProcess; // Process which created the track
314 // Kinetic energy at the vertex << 289
315 const G4LogicalVolume* fpLVAtVertex = null << 290 G4VUserTrackInformation* fpUserInformation;
316 // Logical Volume at the vertex << 291
317 const G4VProcess* fpCreatorProcess = nullp << 292 mutable G4Material* prev_mat;
318 // Process which created the track << 293 mutable G4MaterialPropertyVector* groupvel;
319 << 294 mutable G4double prev_velocity;
320 mutable G4VUserTrackInformation* fpUserInf << 295 mutable G4double prev_momentum;
321 << 296
322 mutable G4Material* prev_mat = nullptr; << 297 static G4PhysicsLogVector* velTable;
323 mutable G4MaterialPropertyVector* groupvel << 298 static const G4double maxT;
324 mutable G4double prev_velocity = 0.0; << 299 static const G4double minT;
325 mutable G4double prev_momentum = 0.0; << 300 G4bool is_OpticalPhoton;
326 // cached values for CalculateVelocity <<
327 <<
328 mutable std::map<G4int, G4VAuxiliaryTrackI <<
329 fpAuxiliaryTrackInformationMap = n <<
330 <<
331 G4int fCurrentStepNumber = 0; <<
332 // Total steps number up to now <<
333 <<
334 G4int fCreatorModelID = -1; <<
335 // ID of the physics model which created <<
336 <<
337 const G4ParticleDefinition* fParentResonan <<
338 // Pointer to the particle definition of <<
339 // in the case that the track is produce <<
340 // (which does not have a corresponding <<
341 G4int fParentResonanceID = 0; <<
342 // Unique ID for the parent resonance, i <<
343 // is produced by a resonance parent, el <<
344 <<
345 G4int fParentID = 0; <<
346 G4int fTrackID = 0; <<
347 <<
348 G4bool fBelowThreshold = false; <<
349 // This flag is set to true if this trac <<
350 // threshold energy in this material det <<
351 G4bool fGoodForTracking = false; <<
352 // This flag is set by processes if this <<
353 // even if the energy is below threshold <<
354 <<
355 G4bool is_OpticalPhoton = false; <<
356 <<
357 G4bool useGivenVelocity = false; <<
358 // do not calculate velocity and just us <<
359 // if this flag is set <<
360 <<
361 G4bool fCopyTouchables = true; <<
362 }; 301 };
363 302
364 #include "G4Track.icc" 303 #include "G4Track.icc"
365 304
366 #endif 305 #endif
>> 306
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367 321