]>
Commit | Line | Data |
---|---|---|
676fb573 | 1 | // $Id$ |
2 | // Category: event | |
3 | // | |
7005154f | 4 | // Author: I. Hrivnacova |
5 | // | |
6 | // Class AliTrackingAction | |
7 | // ----------------------- | |
676fb573 | 8 | // See the class description in the header file. |
9 | ||
10 | #include "AliTrackingAction.h" | |
4240c1e8 | 11 | #include "AliTrackInformation.h" |
676fb573 | 12 | #include "AliRun.h" |
13 | #include "AliGlobals.h" | |
14 | #include "TG4StepManager.h" | |
c8bc1274 | 15 | #include "TG4PhysicsManager.h" |
e7057a42 | 16 | #include "TG4ParticlesManager.h" |
676fb573 | 17 | |
676fb573 | 18 | #include <G4Track.hh> |
4240c1e8 | 19 | #include <G4TrackVector.hh> |
20 | #include <G4VUserTrackInformation.hh> | |
21 | #include <G4TrackingManager.hh> | |
22 | #include <G4SteppingManager.hh> | |
78ca1e9c | 23 | #include <G4UImanager.hh> |
676fb573 | 24 | |
676fb573 | 25 | // static data members |
26 | AliTrackingAction* AliTrackingAction::fgInstance = 0; | |
27 | ||
78ca1e9c | 28 | //_____________________________________________________________________________ |
676fb573 | 29 | AliTrackingAction::AliTrackingAction() |
4240c1e8 | 30 | : fPrimaryTrackID(0), |
676fb573 | 31 | fVerboseLevel(2), |
aafc96be | 32 | fNewVerboseLevel(0), |
33 | fNewVerboseTrackID(-1), | |
676fb573 | 34 | fSavePrimaries(true), |
7005154f | 35 | fTrackCounter(0), |
36 | fMessenger(this) | |
676fb573 | 37 | { |
38 | // | |
39 | if (fgInstance) { | |
40 | AliGlobals::Exception("AliTrackingAction constructed twice."); | |
41 | } | |
42 | ||
676fb573 | 43 | fgInstance = this; |
44 | } | |
45 | ||
78ca1e9c | 46 | //_____________________________________________________________________________ |
7005154f | 47 | AliTrackingAction::AliTrackingAction(const AliTrackingAction& right) |
48 | : fMessenger(this) { | |
676fb573 | 49 | // |
50 | AliGlobals::Exception("AliTrackingAction is protected from copying."); | |
51 | } | |
52 | ||
78ca1e9c | 53 | //_____________________________________________________________________________ |
676fb573 | 54 | AliTrackingAction::~AliTrackingAction() { |
55 | // | |
676fb573 | 56 | } |
57 | ||
58 | // operators | |
59 | ||
78ca1e9c | 60 | //_____________________________________________________________________________ |
676fb573 | 61 | AliTrackingAction& |
62 | AliTrackingAction::operator=(const AliTrackingAction &right) | |
63 | { | |
64 | // check assignement to self | |
65 | if (this == &right) return *this; | |
66 | ||
67 | AliGlobals::Exception("AliTrackingAction is protected from assigning."); | |
68 | ||
69 | return *this; | |
70 | } | |
71 | ||
4240c1e8 | 72 | // private methods |
73 | ||
78ca1e9c | 74 | //_____________________________________________________________________________ |
4240c1e8 | 75 | AliTrackInformation* AliTrackingAction::GetTrackInformation( |
76 | const G4Track* track, | |
77 | const G4String& method) const | |
78 | { | |
79 | // Returns user track information. | |
80 | // --- | |
81 | ||
7005154f | 82 | #ifdef TGEANT4_DEBUG |
4240c1e8 | 83 | G4VUserTrackInformation* trackInfo = track->GetUserInformation(); |
84 | if (!trackInfo) return 0; | |
85 | ||
86 | AliTrackInformation* aliTrackInfo | |
87 | = dynamic_cast<AliTrackInformation*>(trackInfo); | |
88 | if (!aliTrackInfo) { | |
89 | G4String text = "AliTrackingAction::" + method + ":\n"; | |
90 | text = text + " Unknown track information type"; | |
91 | AliGlobals::Exception(text); | |
92 | } | |
93 | ||
94 | return aliTrackInfo; | |
7005154f | 95 | #else |
96 | return (AliTrackInformation*)track->GetUserInformation(); | |
97 | #endif | |
4240c1e8 | 98 | } |
99 | ||
676fb573 | 100 | // public methods |
101 | ||
78ca1e9c | 102 | //_____________________________________________________________________________ |
676fb573 | 103 | void AliTrackingAction::PrepareNewEvent() |
104 | { | |
105 | // Called by G4 kernel at the beginning of event. | |
106 | // --- | |
107 | ||
3bfabcfc | 108 | fTrackCounter = 0; |
109 | ||
676fb573 | 110 | // set g4 stepping manager pointer |
4240c1e8 | 111 | TG4StepManager* stepManager = TG4StepManager::Instance(); |
112 | stepManager->SetSteppingManager(fpTrackingManager->GetSteppingManager()); | |
676fb573 | 113 | } |
114 | ||
78ca1e9c | 115 | //_____________________________________________________________________________ |
9bcb6317 | 116 | void AliTrackingAction::PreTrackingAction(const G4Track* aTrack) |
676fb573 | 117 | { |
118 | // Called by G4 kernel before starting tracking. | |
119 | // --- | |
120 | ||
676fb573 | 121 | // track index in the particles array |
122 | G4int trackID = aTrack->GetTrackID(); | |
123 | G4int parentID = aTrack->GetParentID(); | |
124 | Int_t trackIndex; | |
125 | if (parentID==0) { | |
4240c1e8 | 126 | // in AliRoot (from V3.0) track numbering starts from 0 |
127 | trackIndex = trackID-1; | |
676fb573 | 128 | } |
129 | else { | |
4240c1e8 | 130 | trackIndex = gAlice->GetNtrack(); |
676fb573 | 131 | } |
4240c1e8 | 132 | |
133 | // set track index to track information | |
134 | AliTrackInformation* trackInfo | |
135 | = GetTrackInformation(aTrack, "PreTrackingAction"); | |
136 | if (!trackInfo) { | |
137 | // create track information and set it to G4Track | |
138 | // if it does not yet exist | |
139 | trackInfo = new AliTrackInformation(trackIndex); | |
140 | fpTrackingManager->SetUserTrackInformation(trackInfo); | |
141 | // the track information is deleted together with its | |
142 | // G4Track object | |
143 | } | |
144 | else | |
145 | trackInfo->SetTrackParticleID(trackIndex); | |
676fb573 | 146 | |
4240c1e8 | 147 | // set current track number |
148 | gAlice->SetCurrentTrack(trackIndex); | |
676fb573 | 149 | |
150 | if (parentID == 0) { | |
4240c1e8 | 151 | // finish previous primary track |
152 | FinishPrimaryTrack(); | |
676fb573 | 153 | fPrimaryTrackID = aTrack->GetTrackID(); |
887f9ee9 | 154 | |
155 | // begin this primary track | |
156 | gAlice->BeginPrimary(); | |
676fb573 | 157 | } |
158 | else { | |
159 | // save secondary particles info | |
4240c1e8 | 160 | SaveTrack(aTrack); |
9bcb6317 | 161 | } |
b17c5755 | 162 | |
aafc96be | 163 | // verbose |
164 | if (trackID == fNewVerboseTrackID) { | |
165 | G4String command = "/tracking/verbose "; | |
166 | AliGlobals::AppendNumberToString(command, fNewVerboseLevel); | |
167 | G4UImanager::GetUIpointer()->ApplyCommand(command); | |
168 | } | |
169 | ||
4240c1e8 | 170 | // aliroot pre track actions |
b17c5755 | 171 | gAlice->PreTrack(); |
676fb573 | 172 | } |
173 | ||
78ca1e9c | 174 | //_____________________________________________________________________________ |
9bcb6317 | 175 | void AliTrackingAction::PostTrackingAction(const G4Track* aTrack) |
676fb573 | 176 | { |
177 | // Called by G4 kernel after finishing tracking. | |
178 | // --- | |
179 | ||
3bfabcfc | 180 | fTrackCounter++; |
4240c1e8 | 181 | |
182 | // set parent track particle index to all secondary tracks | |
183 | G4TrackVector* secondaryTracks | |
184 | = fpTrackingManager->GetSteppingManager()->GetSecondary(); | |
185 | if (secondaryTracks){ | |
186 | G4int i; | |
ff849423 | 187 | for (i=0; i<secondaryTracks->size(); i++) { |
4240c1e8 | 188 | G4Track* track = (*secondaryTracks)[i]; |
189 | ||
190 | if (track->GetUserInformation()) { | |
191 | // this should never happen | |
192 | G4String text = "AliTrackingAction::PostTrackingAction:\n"; | |
193 | text = text + " Inconsistent track information."; | |
194 | AliGlobals::Exception(text); | |
195 | } | |
196 | ||
197 | // get parent track index | |
198 | AliTrackInformation* aliParentInfo | |
199 | = GetTrackInformation(aTrack, "PostTrackingAction"); | |
200 | G4int parentParticleID | |
201 | = aliParentInfo->GetTrackParticleID(); | |
202 | ||
203 | // create track information and set it to the G4Track | |
204 | AliTrackInformation* trackInfo | |
205 | = new AliTrackInformation(-1, parentParticleID); | |
206 | track->SetUserInformation(trackInfo); | |
207 | // the track information is deleted together with its | |
208 | // G4Track object | |
209 | } | |
210 | } | |
211 | ||
212 | // aliroot post track actions | |
b17c5755 | 213 | gAlice->PostTrack(); |
676fb573 | 214 | } |
215 | ||
78ca1e9c | 216 | //_____________________________________________________________________________ |
4240c1e8 | 217 | void AliTrackingAction::FinishPrimaryTrack() |
676fb573 | 218 | { |
219 | // Calls AliRun::PurifyKine and fills trees of hits | |
220 | // after finishing tracking of each primary track. | |
221 | // !! This method has to be also called from AlEventAction::EndOfEventAction() | |
222 | // for storing the last primary track of the current event. | |
223 | // --- | |
224 | ||
4240c1e8 | 225 | if (fPrimaryTrackID>0) { |
226 | ||
227 | // verbose | |
228 | if (fVerboseLevel == 3) { | |
229 | G4cout << "$$$ Primary track " << fPrimaryTrackID << G4endl; | |
230 | } | |
231 | else if ( fVerboseLevel == 2 && fPrimaryTrackID % 10 == 0 ) { | |
232 | G4cout << "$$$ Primary track " << fPrimaryTrackID << G4endl; | |
233 | } | |
234 | else if ( fVerboseLevel == 1 && fPrimaryTrackID % 100 == 0 ) { | |
235 | G4cout << "$$$ Primary track " << fPrimaryTrackID << G4endl; | |
236 | } | |
237 | ||
238 | // aliroot finish primary track | |
239 | gAlice->FinishPrimary(); | |
240 | } | |
241 | fPrimaryTrackID = 0; | |
676fb573 | 242 | } |
243 | ||
78ca1e9c | 244 | //_____________________________________________________________________________ |
4240c1e8 | 245 | void AliTrackingAction::SaveTrack(const G4Track* track) |
676fb573 | 246 | { |
4240c1e8 | 247 | // Get all needed parameters from G4track and pass them |
248 | // to AliRun::SetTrack() that creates corresponding TParticle | |
249 | // in the AliRun::fParticles array. | |
676fb573 | 250 | // ---- |
251 | ||
4240c1e8 | 252 | // parent particle index |
676fb573 | 253 | G4int parentID = track->GetParentID(); |
4240c1e8 | 254 | G4int motherIndex; |
676fb573 | 255 | if (parentID == 0) { |
4240c1e8 | 256 | motherIndex = -1; |
676fb573 | 257 | } |
258 | else { | |
4240c1e8 | 259 | motherIndex |
260 | = GetTrackInformation(track,"SaveTrack")->GetParentParticleID(); | |
261 | } | |
676fb573 | 262 | |
4240c1e8 | 263 | //G4cout << "SaveTrack: TrackID = " << track->GetTrackID() |
264 | // << " Parent ID = " << track->GetParentID() | |
265 | // << " Index = " << gAlice->CurrentTrack() | |
266 | // << " Parent Index = " << motherIndex | |
267 | // << G4endl; | |
268 | ||
269 | // PDG code | |
e7057a42 | 270 | G4int pdg |
271 | = TG4ParticlesManager::Instance() | |
272 | ->GetPDGEncodingFast(track->GetDefinition()); | |
676fb573 | 273 | |
4240c1e8 | 274 | // track kinematics |
676fb573 | 275 | G4ThreeVector momentum = track->GetMomentum(); |
4240c1e8 | 276 | |
676fb573 | 277 | G4double px = momentum.x()/GeV; |
278 | G4double py = momentum.y()/GeV; | |
279 | G4double pz = momentum.z()/GeV; | |
280 | G4double e = track->GetTotalEnergy()/GeV; | |
281 | ||
282 | G4ThreeVector position = track->GetPosition(); | |
283 | G4double vx = position.x()/cm; | |
284 | G4double vy = position.y()/cm; | |
285 | G4double vz = position.z()/cm; | |
286 | // time of production - check if ekvivalent with G4 | |
287 | G4double t = track->GetGlobalTime(); | |
288 | ||
289 | G4ThreeVector polarization = track->GetPolarization(); | |
290 | G4double polX = polarization.x(); | |
291 | G4double polY = polarization.y(); | |
292 | G4double polZ = polarization.z(); | |
293 | ||
4240c1e8 | 294 | // production process |
c8bc1274 | 295 | AliMCProcess mcProcess; |
296 | const G4VProcess* kpProcess = track->GetCreatorProcess(); | |
297 | if (!kpProcess) { | |
298 | mcProcess = kPPrimary; | |
299 | } | |
300 | else { | |
e7057a42 | 301 | mcProcess = TG4PhysicsManager::Instance()->GetMCProcess(kpProcess); |
c8bc1274 | 302 | // distinguish kPDeltaRay from kPEnergyLoss |
303 | if (mcProcess == kPEnergyLoss) mcProcess = kPDeltaRay; | |
304 | } | |
4240c1e8 | 305 | |
306 | G4int ntr; | |
307 | // create particle | |
308 | gAlice->SetTrack(1, motherIndex, pdg, px, py, pz, e, vx, vy, vz, t, | |
309 | polX, polY, polZ, mcProcess, ntr); | |
310 | ||
676fb573 | 311 | } |
312 | ||
78ca1e9c | 313 | //_____________________________________________________________________________ |
aafc96be | 314 | void AliTrackingAction::SetNewVerboseLevel(G4int level) |
315 | { | |
316 | // Set the new verbose level that will be set when the track with | |
317 | // specified track ID (fNewVerboseTrackID) starts tracking. | |
318 | // --- | |
319 | ||
320 | fNewVerboseLevel = level; | |
321 | } | |
322 | ||
78ca1e9c | 323 | //_____________________________________________________________________________ |
aafc96be | 324 | void AliTrackingAction::SetNewVerboseTrackID(G4int trackID) |
325 | { | |
326 | // Set the trackID for which the new verbose level (fNewVerboseLevel) | |
327 | // will be applied. | |
328 | // --- | |
329 | ||
330 | fNewVerboseTrackID = trackID; | |
331 | } |