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25 // 7 //
26 // G4Track << 8 // $Id: G4Track.hh,v 1.5 1999/11/07 16:32:03 kurasige Exp $
>> 9 // GEANT4 tag $Name: geant4-01-01 $
27 // 10 //
28 // Class description: <<
29 // 11 //
30 // This class describes the particle under tra << 12 //---------------------------------------------------------------
31 // It includes information related to tracking << 13 //
>> 14 // G4Track.hh
>> 15 //
>> 16 // Class Description:
>> 17 // This class represents the partilce under tracking.
>> 18 // It includes information related to tracking for examples:
32 // 1) current position/time of the particl 19 // 1) current position/time of the particle,
33 // 2) static particle information, 20 // 2) static particle information,
34 // 3) the pointer to the physical volume w 21 // 3) the pointer to the physical volume where currently
35 // the particle exists << 22 // the particle exists,
>> 23 //
>> 24 // Contact:
>> 25 // Questions and comments to this code should be sent to
>> 26 // Katsuya Amako (e-mail: Katsuya.Amako@kek.jp)
>> 27 // Takashi Sasaki (e-mail: Takashi.Sasaki@kek.jp)
>> 28 //
>> 29 //---------------------------------------------------------------
>> 30
>> 31 #ifndef G4Track_h
>> 32 #define G4Track_h 1
>> 33
>> 34 #include "globals.hh" // Include from 'global'
>> 35 #include "G4ThreeVector.hh" // Include from 'geometry'
>> 36 #include "G4LogicalVolume.hh" // Include from 'geometry'
>> 37 #include "G4VPhysicalVolume.hh" // Include from 'geometry'
>> 38 #include "G4Allocator.hh" // Include from 'particle+matter'
>> 39 #include "G4DynamicParticle.hh" // Include from 'particle+matter'
>> 40 #include "G4TrackStatus.hh" // Include from 'tracking'
>> 41 #include "G4VTouchable.hh" // Include from 'geometry'
36 42
37 // Author: Katsuya Amako, KEK - 1995 <<
38 // Revisions: Hisaya Kurashige, 1998-2011 <<
39 // ------------------------------------------- <<
40 #ifndef G4Track_hh <<
41 #define G4Track_hh 1 <<
42 <<
43 #include <cmath> // Include from 'system' <<
44 #include <map> <<
45 #include <CLHEP/Units/PhysicalConstants.h> <<
46 <<
47 #include "globals.hh" // Include fr <<
48 #include "trkdefs.hh" // Include DL <<
49 #include "G4ThreeVector.hh" // Include fr <<
50 #include "G4LogicalVolume.hh" // Include fr <<
51 #include "G4VPhysicalVolume.hh" // Include fr <<
52 #include "G4Allocator.hh" // Include fr <<
53 #include "G4DynamicParticle.hh" // Include fr <<
54 #include "G4TrackStatus.hh" // Include fr <<
55 #include "G4TouchableHandle.hh" // Include fr <<
56 #include "G4VUserTrackInformation.hh" <<
57 #include "G4PhysicsModelCatalog.hh" <<
58 #include "G4Material.hh" 43 #include "G4Material.hh"
59 44
60 class G4Step; // Forward declaration << 45 class G4Step; // Forward declaration
61 class G4MaterialCutsCouple; <<
62 class G4VAuxiliaryTrackInformation; <<
63 class G4VProcess; <<
64 46
>> 47 //////////////
65 class G4Track 48 class G4Track
>> 49 //////////////
66 { 50 {
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 51
75 G4Track(const G4Track&,G4bool copyTouchabl << 52 //--------
76 // Copy Constructor - copies members oth << 53 public: // With description
>> 54
>> 55 // Constructor
>> 56 G4Track();
>> 57 G4Track(G4DynamicParticle* apValueDynamicParticle,
>> 58 G4double aValueTime,
>> 59 const G4ThreeVector& aValuePosition);
>> 60 // aValueTime is a global time
77 61
78 ~G4Track(); << 62 //--------
79 // Destructor << 63 public:
80 64
81 inline void* operator new(std::size_t); << 65 // Destrcutor
>> 66 ~G4Track();
>> 67
>> 68 // Operators
>> 69 inline void *operator new(size_t);
82 // Override "new" for "G4Allocator". 70 // Override "new" for "G4Allocator".
83 inline void operator delete(void* aTrack); << 71 inline void operator delete(void *aTrack);
84 // Override "delete" for "G4Allocator". 72 // Override "delete" for "G4Allocator".
85 73
86 G4Track& operator=(const G4Track&); << 74 int operator==( const G4Track& s);
87 // Assignment operator << 75 // Define "==" operator because "G4TrackVector" uses
88 << 76 //"RWPtrOrderdVector" which requires this.
89 inline G4bool operator==(const G4Track&); <<
90 inline G4bool operator!=(const G4Track&); <<
91 // Equality operators <<
92 77
93 void CopyTrackInfo(const G4Track&, G4bool << 78 //--------
94 // Copy information of the track (w/o tr << 79 public: // With description
95 80
96 inline G4int GetTrackID() const; << 81 // Get/Set functions
97 inline void SetTrackID(const G4int aValue) << 82 // track ID
98 // Get/Set functions track ID << 83 G4int GetTrackID() const;
>> 84 void SetTrackID(const G4int aValue);
99 85
100 inline G4int GetParentID() const; << 86 G4int GetParentID() const;
101 inline void SetParentID(const G4int aValue << 87 void SetParentID(const G4int aValue);
102 88
103 inline const G4DynamicParticle* GetDynamic << 89 // dynamic particle
104 // Dynamic particle << 90 G4DynamicParticle* GetDynamicParticle() const;
105 91
106 inline const G4ParticleDefinition* GetPart << 92 // particle definition
107 // Particle definition << 93 G4ParticleDefinition* GetDefinition() const;
108 inline G4ParticleDefinition* GetDefinition <<
109 // Obsolete, for backwards compatibility <<
110 94
111 inline const G4ThreeVector& GetPosition() << 95 // position, time
112 inline void SetPosition(const G4ThreeVecto << 96 const G4ThreeVector& GetPosition() const;
113 // Position, time << 97 void SetPosition(const G4ThreeVector& aValue);
114 98
115 inline G4double GetGlobalTime() const; << 99 G4double GetGlobalTime() const;
116 inline void SetGlobalTime(const G4double a << 100 void SetGlobalTime(const G4double aValue);
117 // Time since the event in which the tra << 101 // Time since the event in which the track belongs is created.
118 102
119 inline G4double GetLocalTime() const; << 103 G4double GetLocalTime() const;
120 inline void SetLocalTime(const G4double aV << 104 void SetLocalTime(const G4double aValue);
121 // Time since the current track is creat << 105 // Time since the current track is created.
122 106
123 inline G4double GetProperTime() const; << 107 G4double GetProperTime() const;
124 inline void SetProperTime(const G4double a << 108 void SetProperTime(const G4double aValue);
125 // Proper time of the current track 109 // Proper time of the current track
126 110
127 inline G4VPhysicalVolume* GetVolume() cons << 111 // volume, material, touchable
128 inline G4VPhysicalVolume* GetNextVolume() << 112 G4VPhysicalVolume* GetVolume() const;
129 // Volume, material, touchable << 113 G4VPhysicalVolume* GetNextVolume() const;
130 << 114
131 inline G4Material* GetMaterial() const; << 115 G4Material* GetMaterial() const;
132 inline G4Material* GetNextMaterial() const << 116 G4Material* GetNextMaterial() const;
133 << 117
134 inline const G4MaterialCutsCouple* GetMate << 118 G4VTouchable* GetTouchable() const;
135 inline const G4MaterialCutsCouple* GetNext << 119 void SetTouchable(G4VTouchable* apValue);
136 << 120
137 inline const G4VTouchable* GetTouchable() << 121 G4VTouchable* GetNextTouchable() const;
138 inline const G4TouchableHandle& GetTouchab << 122 void SetNextTouchable(G4VTouchable* apValue);
139 inline void SetTouchableHandle(const G4Tou << 123
140 << 124 // energy
141 inline const G4VTouchable* GetNextTouchabl << 125 G4double GetKineticEnergy() const;
142 inline const G4TouchableHandle& GetNextTou << 126 void SetKineticEnergy(const G4double aValue);
143 inline void SetNextTouchableHandle(const G << 127
144 << 128 G4double GetTotalEnergy() const;
145 inline const G4VTouchable* GetOriginToucha << 129
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 <<
287 130
288 G4double fVelocity = 0.0; << 131 // moemtnum
>> 132 const G4ThreeVector& GetMomentumDirection() const;
>> 133 void SetMomentumDirection(const G4ThreeVector& aValue);
>> 134
>> 135 G4ThreeVector GetMomentum() const;
>> 136
>> 137 G4double GetVelocity() const;
>> 138
>> 139
>> 140 // polarization
>> 141 const G4ThreeVector& GetPolarization() const;
>> 142 void SetPolarization(const G4ThreeVector& aValue);
>> 143
>> 144 // track status, flags for tracking
>> 145 G4TrackStatus GetTrackStatus() const;
>> 146 void SetTrackStatus(const G4TrackStatus aTrackStatus);
>> 147
>> 148 G4bool IsBelowThreshold() const;
>> 149 void SetBelowThresholdFlag(G4bool value = true);
>> 150 // The flag of "BelowThreshold" is set to true
>> 151 // if this track energy is below threshold energy
>> 152 // in this material determined by the range cut value
>> 153
>> 154 G4bool IsGoodForTracking() const;
>> 155 void SetGoodForTrackingFlag(G4bool value = true);
>> 156 // The flag of "GoodForTracking" is set by processes
>> 157 // if this track should be tracked
>> 158 // even if the energy is below threshold
>> 159
>> 160 // track length
>> 161 G4double GetTrackLength() const;
>> 162 void AddTrackLength(const G4double aValue);
>> 163 // Accumulated the track length
>> 164
>> 165 // step information
>> 166 G4Step* GetStep() const;
>> 167 void SetStep(G4Step* aValue);
>> 168
>> 169 G4int GetCurrentStepNumber() const;
>> 170 void IncrementCurrentStepNumber();
>> 171
>> 172 G4double GetStepLength() const;
>> 173 void SetStepLength(G4double value);
>> 174 // Before the end of the AlongStepDoIt loop,StepLength keeps
>> 175 // the initial value which is determined by the shortest geometrical Step
>> 176 // proposed by a physics process. After finishing the AlongStepDoIt,
>> 177 // it will be set equal to 'StepLength' in G4Step.
289 178
290 G4TouchableHandle fpTouchable; << 179 // vertex (,where this track was created) information
291 G4TouchableHandle fpNextTouchable; << 180 const G4ThreeVector& GetVertexPosition() const;
292 G4TouchableHandle fpOriginTouchable; << 181 void SetVertexPosition(const G4ThreeVector& aValue);
293 // Touchable Handle << 182
294 << 183 const G4ThreeVector& GetVertexMomentumDirection() const;
295 G4DynamicParticle* fpDynamicParticle = nul << 184 void SetVertexMomentumDirection(const G4ThreeVector& aValue);
296 mutable G4TrackStatus fTrackStatus = fAliv << 185
297 << 186 G4double GetVertexKineticEnergy() const;
298 G4double fStepLength = 0.0; << 187 void SetVertexKineticEnergy(const G4double aValue);
299 // Before the end of the AlongStepDoIt l << 188
300 // Step length which is determined by th << 189 G4LogicalVolume* GetLogicalVolumeAtVertex() const;
>> 190 void SetLogicalVolumeAtVertex(G4LogicalVolume* );
>> 191
>> 192 const G4VProcess* GetCreatorProcess() const;
>> 193 void SetCreatorProcess(G4VProcess* aValue);
>> 194
>> 195 // track weight
>> 196 // These are methods for manipulating a weight for this track.
>> 197 // The track weight is used by G4VEvtBiasMechanism
>> 198 // to execute inclusive simulation for hadronic/electomagnetic shower
>> 199 // and neutron transportation etc.
>> 200 G4double GetWeight() const;
>> 201 void SetWeight(G4double aValue);
>> 202
>> 203 //---------
>> 204 private:
>> 205 //---------
>> 206
>> 207 // Member data
>> 208 G4int fCurrentStepNumber; // Total steps number up to now
>> 209 G4ThreeVector fPosition; // Current positon
>> 210 G4double fGlobalTime; // Time since the event is created
>> 211 G4double fLocalTime; // Time since the track is created
>> 212 G4double fTrackLength; // Accumulated track length
>> 213 G4int fParentID;
>> 214 G4int fTrackID;
>> 215
>> 216 G4VTouchable* fpTouchable;
>> 217 G4VTouchable* fpNextTouchable;
>> 218
>> 219 G4DynamicParticle* fpDynamicParticle;
>> 220 G4TrackStatus fTrackStatus;
>> 221
>> 222 G4bool fBelowThreshold;
>> 223 // This flag is set to true if this track energy is below
>> 224 // threshold energy in this material determined by the range cut value
>> 225 G4bool fGoodForTracking;
>> 226 // This flag is set by processes if this track should be tracked
>> 227 // even if the energy is below threshold
>> 228
>> 229 G4double fStepLength;
>> 230 // Before the end of the AlongStepDoIt loop, this keeps the initial
>> 231 // Step length which is determined by the shortest geometrical Step
301 // proposed by a physics process. After 232 // proposed by a physics process. After finishing the AlongStepDoIt,
302 // this will be set equal to 'StepLength 233 // this will be set equal to 'StepLength' in G4Step.
303 234
304 G4double fWeight = 1.0; << 235 G4double fWeight;
305 // This is a weight for this track << 236 // This is a weight for this track used by G4VEvtBiasMechanism
>> 237 // to execute inclusive simulation for hadronic/electomagnetic shower
>> 238 // and neutron transportation etc.
>> 239
>> 240 G4Step* fpStep;
>> 241
>> 242 G4ThreeVector fVtxPosition; // (x,y,z) of the vertex
>> 243 G4ThreeVector fVtxMomentumDirection; // Momentum direction at the vertex
>> 244 G4double fVtxKineticEnergy; // Kinetic energy at the vertex
>> 245 G4LogicalVolume* fpLVAtVertex; //Logical Volume at the vertex
>> 246 G4VProcess* fpCreatorProcess; // Process which created the track
>> 247
>> 248 };
>> 249 #include "G4Track.icc"
>> 250
>> 251 #endif
>> 252
>> 253
>> 254
>> 255
>> 256
>> 257
>> 258
>> 259
>> 260
>> 261
306 262
307 const G4Step* fpStep = nullptr; <<
308 263
309 G4ThreeVector fVtxPosition; <<
310 // (x,y,z) of the vertex <<
311 G4ThreeVector fVtxMomentumDirection; <<
312 // Momentum direction at the vertex <<
313 G4double fVtxKineticEnergy = 0.0; <<
314 // Kinetic energy at the vertex <<
315 const G4LogicalVolume* fpLVAtVertex = null <<
316 // Logical Volume at the vertex <<
317 const G4VProcess* fpCreatorProcess = nullp <<
318 // Process which created the track <<
319 <<
320 mutable G4VUserTrackInformation* fpUserInf <<
321 <<
322 mutable G4Material* prev_mat = nullptr; <<
323 mutable G4MaterialPropertyVector* groupvel <<
324 mutable G4double prev_velocity = 0.0; <<
325 mutable G4double prev_momentum = 0.0; <<
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 <<
360 264
361 G4bool fCopyTouchables = true; <<
362 }; <<
363 265
364 #include "G4Track.icc" <<
365 266
366 #endif <<
367 267