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7382279b | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | /***************************************************************** | |
17 | AliFlowEvent: Event container for flow analysis | |
18 | ||
19 | origin: Mikolaj Krzewicki (mikolaj.krzewicki@cern.ch) | |
20 | *****************************************************************/ | |
21 | ||
22 | #include "Riostream.h" | |
23 | #include "TList.h" | |
44e060e0 | 24 | #include "TH2F.h" |
7382279b | 25 | #include "AliMCEvent.h" |
26 | #include "AliMCParticle.h" | |
27 | #include "AliCFManager.h" | |
28 | #include "AliESDtrack.h" | |
333ce021 | 29 | #include "AliESDPmdTrack.h" |
7382279b | 30 | #include "AliESDEvent.h" |
31 | #include "AliAODEvent.h" | |
32 | #include "AliGenCocktailEventHeader.h" | |
33 | #include "AliGenEposEventHeader.h" | |
34 | #include "AliGenHijingEventHeader.h" | |
35 | #include "AliGenGeVSimEventHeader.h" | |
c94d4f7c | 36 | #include "AliCollisionGeometry.h" |
244c607a | 37 | #include "AliMultiplicity.h" |
daf66719 | 38 | #include "AliFlowTrackCuts.h" |
7382279b | 39 | #include "AliFlowEventSimple.h" |
244c607a | 40 | #include "AliFlowTrack.h" |
7382279b | 41 | #include "AliFlowEvent.h" |
77111ee6 | 42 | #include "AliLog.h" |
7382279b | 43 | |
44 | ClassImp(AliFlowEvent) | |
45 | ||
46 | //----------------------------------------------------------------------- | |
47 | ||
48 | AliFlowEvent::AliFlowEvent(): | |
49 | AliFlowEventSimple() | |
50 | { | |
51 | //ctor | |
52 | cout << "AliFlowEvent: Default constructor to be used only by root for io" << endl; | |
53 | } | |
54 | ||
55 | //----------------------------------------------------------------------- | |
7382279b | 56 | AliFlowEvent::AliFlowEvent(const AliFlowEvent& event): |
57 | AliFlowEventSimple(event) | |
58 | { | |
59 | //cpy ctor | |
60 | } | |
61 | ||
62 | //----------------------------------------------------------------------- | |
7382279b | 63 | AliFlowEvent& AliFlowEvent::operator=(const AliFlowEvent& event) |
64 | { | |
65 | //assignment operator | |
66 | AliFlowEventSimple::operator=(event); | |
67 | return *this; | |
68 | } | |
69 | ||
bc231a12 | 70 | //----------------------------------------------------------------------- |
71 | AliFlowTrack* AliFlowEvent::GetTrack(Int_t i) | |
72 | { | |
73 | //get track i from collection | |
74 | if (i>=fNumberOfTracks) return NULL; | |
75 | AliFlowTrack* pTrack = static_cast<AliFlowTrack*>(fTrackCollection->At(i)) ; | |
76 | return pTrack; | |
77 | } | |
78 | ||
7382279b | 79 | //----------------------------------------------------------------------- |
80 | void AliFlowEvent::SetMCReactionPlaneAngle(const AliMCEvent* mcEvent) | |
81 | { | |
82 | //sets the event plane angle from the proper header in the MC | |
83 | ||
84 | //COCKTAIL with HIJING | |
85 | if (!strcmp(mcEvent-> GenEventHeader()->GetName(),"Cocktail Header")) //returns 0 if matches | |
86 | { | |
87 | AliGenCocktailEventHeader *headerC = dynamic_cast<AliGenCocktailEventHeader *> (mcEvent-> GenEventHeader()); | |
88 | if (headerC) | |
89 | { | |
90 | TList *lhd = headerC->GetHeaders(); | |
91 | if (lhd) | |
92 | { | |
93 | AliGenHijingEventHeader *hdh = dynamic_cast<AliGenHijingEventHeader *> (lhd->At(0)); | |
94 | if (hdh) AliFlowEventSimple::SetMCReactionPlaneAngle( hdh->ReactionPlaneAngle() ); | |
95 | } | |
96 | } | |
97 | } | |
f85aa8b5 | 98 | //THERMINATOR |
99 | else if (!strcmp(mcEvent-> GenEventHeader()->GetName(),"Therminator")) //returns 0 if matches | |
100 | { | |
101 | AliGenHijingEventHeader* headerH = dynamic_cast<AliGenHijingEventHeader*>(mcEvent->GenEventHeader()); | |
102 | if (headerH) AliFlowEventSimple::SetMCReactionPlaneAngle( headerH->ReactionPlaneAngle() ); | |
103 | } | |
124fb262 | 104 | //GEVSIM |
7382279b | 105 | else if (!strcmp(mcEvent-> GenEventHeader()->GetName(),"GeVSim header")) //returns 0 if matches |
106 | { | |
107 | AliGenGeVSimEventHeader* headerG = dynamic_cast<AliGenGeVSimEventHeader*>(mcEvent->GenEventHeader()); | |
108 | if (headerG) AliFlowEventSimple::SetMCReactionPlaneAngle( headerG->GetEventPlane() ); | |
109 | } | |
124fb262 | 110 | //HIJING |
7382279b | 111 | else if (!strcmp(mcEvent-> GenEventHeader()->GetName(),"Hijing")) //returns 0 if matches |
112 | { | |
113 | AliGenHijingEventHeader* headerH = dynamic_cast<AliGenHijingEventHeader*>(mcEvent->GenEventHeader()); | |
114 | if (headerH) AliFlowEventSimple::SetMCReactionPlaneAngle( headerH->ReactionPlaneAngle() ); | |
115 | } | |
124fb262 | 116 | //EPOS |
7382279b | 117 | else if (!strcmp(mcEvent->GenEventHeader()->GetName(),"EPOS")) |
118 | { | |
119 | AliGenEposEventHeader* headerE = dynamic_cast<AliGenEposEventHeader*>(mcEvent->GenEventHeader()); | |
120 | if (headerE) AliFlowEventSimple::SetMCReactionPlaneAngle( headerE->ReactionPlaneAngle() ); | |
121 | } | |
c94d4f7c | 122 | //Hydjet |
123 | else | |
124 | { | |
125 | AliCollisionGeometry* header = dynamic_cast<AliCollisionGeometry*>(mcEvent->GenEventHeader()); | |
126 | if (header) AliFlowEventSimple::SetMCReactionPlaneAngle( header->ReactionPlaneAngle() ); | |
127 | } | |
7382279b | 128 | } |
129 | ||
130 | //----------------------------------------------------------------------- | |
131 | AliFlowEvent::AliFlowEvent( const AliMCEvent* anInput, | |
244c607a | 132 | const AliCFManager* rpCFManager, |
133 | const AliCFManager* poiCFManager): | |
7382279b | 134 | AliFlowEventSimple(20) |
135 | { | |
136 | //Fills the event from the MC kinematic information | |
137 | ||
138 | Int_t iNumberOfInputTracks = anInput->GetNumberOfTracks() ; | |
139 | ||
940a5ed1 | 140 | //loop over tracks |
141 | for (Int_t itrkN=0; itrkN<iNumberOfInputTracks; itrkN++) | |
142 | { | |
143 | //get input particle | |
144 | AliMCParticle* pParticle = dynamic_cast<AliMCParticle*>(anInput->GetTrack(itrkN)); | |
145 | if (!pParticle) continue; | |
146 | ||
147 | //check if pParticle passes the cuts | |
148 | Bool_t rpOK = kTRUE; | |
149 | Bool_t poiOK = kTRUE; | |
244c607a | 150 | if (rpCFManager && poiCFManager) |
7382279b | 151 | { |
244c607a | 152 | rpOK = rpCFManager->CheckParticleCuts(AliCFManager::kPartGenCuts,pParticle); |
153 | poiOK = poiCFManager->CheckParticleCuts(AliCFManager::kPartGenCuts,pParticle); | |
940a5ed1 | 154 | } |
155 | if (!(rpOK||poiOK)) continue; | |
7382279b | 156 | |
bc231a12 | 157 | AliFlowTrack* pTrack = new AliFlowTrack(pParticle); |
158 | pTrack->SetSource(AliFlowTrack::kFromMC); | |
7382279b | 159 | |
244c607a | 160 | if (rpOK && rpCFManager) |
940a5ed1 | 161 | { |
162 | pTrack->SetForRPSelection(kTRUE); | |
bc231a12 | 163 | fNumberOfRPs++; |
940a5ed1 | 164 | } |
244c607a | 165 | if (poiOK && poiCFManager) |
940a5ed1 | 166 | { |
167 | pTrack->SetForPOISelection(kTRUE); | |
168 | } | |
7382279b | 169 | |
940a5ed1 | 170 | AddTrack(pTrack) ; |
171 | }//for all tracks | |
7382279b | 172 | SetMCReactionPlaneAngle(anInput); |
173 | } | |
174 | ||
175 | //----------------------------------------------------------------------- | |
176 | AliFlowEvent::AliFlowEvent( const AliESDEvent* anInput, | |
244c607a | 177 | const AliCFManager* rpCFManager, |
178 | const AliCFManager* poiCFManager ): | |
7382279b | 179 | AliFlowEventSimple(20) |
180 | { | |
181 | //Fills the event from the ESD | |
182 | ||
183 | Int_t iNumberOfInputTracks = anInput->GetNumberOfTracks() ; | |
184 | ||
185 | //loop over tracks | |
186 | for (Int_t itrkN=0; itrkN<iNumberOfInputTracks; itrkN++) | |
187 | { | |
188 | AliESDtrack* pParticle = anInput->GetTrack(itrkN); //get input particle | |
189 | ||
190 | //check if pParticle passes the cuts | |
191 | Bool_t rpOK = kTRUE; | |
192 | Bool_t poiOK = kTRUE; | |
244c607a | 193 | if (rpCFManager && poiCFManager) |
7382279b | 194 | { |
244c607a | 195 | rpOK = ( rpCFManager->CheckParticleCuts(AliCFManager::kPartRecCuts,pParticle) && |
196 | rpCFManager->CheckParticleCuts(AliCFManager::kPartSelCuts,pParticle)); | |
197 | poiOK = ( poiCFManager->CheckParticleCuts(AliCFManager::kPartRecCuts,pParticle) && | |
198 | poiCFManager->CheckParticleCuts(AliCFManager::kPartSelCuts,pParticle)); | |
7382279b | 199 | } |
200 | if (!(rpOK || poiOK)) continue; | |
201 | ||
bc231a12 | 202 | //make new AliFLowTrack |
203 | AliFlowTrack* pTrack = new AliFlowTrack(pParticle); | |
204 | pTrack->SetSource(AliFlowTrack::kFromESD); | |
7382279b | 205 | |
206 | //marking the particles used for int. flow: | |
244c607a | 207 | if(rpOK && rpCFManager) |
7382279b | 208 | { |
209 | pTrack->SetForRPSelection(kTRUE); | |
bc231a12 | 210 | fNumberOfRPs++; |
7382279b | 211 | } |
212 | //marking the particles used for diff. flow: | |
244c607a | 213 | if(poiOK && poiCFManager) |
7382279b | 214 | { |
215 | pTrack->SetForPOISelection(kTRUE); | |
216 | } | |
217 | ||
218 | AddTrack(pTrack); | |
219 | }//end of while (itrkN < iNumberOfInputTracks) | |
220 | } | |
221 | ||
222 | //----------------------------------------------------------------------- | |
223 | AliFlowEvent::AliFlowEvent( const AliAODEvent* anInput, | |
244c607a | 224 | const AliCFManager* rpCFManager, |
225 | const AliCFManager* poiCFManager): | |
7382279b | 226 | AliFlowEventSimple(20) |
227 | { | |
228 | //Fills the event from the AOD | |
229 | Int_t iNumberOfInputTracks = anInput->GetNumberOfTracks() ; | |
230 | ||
940a5ed1 | 231 | //loop over tracks |
7382279b | 232 | for (Int_t itrkN=0; itrkN<iNumberOfInputTracks; itrkN++) |
940a5ed1 | 233 | { |
234 | AliAODTrack* pParticle = anInput->GetTrack(itrkN); //get input particle | |
7382279b | 235 | |
940a5ed1 | 236 | //check if pParticle passes the cuts |
237 | Bool_t rpOK = kTRUE; | |
238 | Bool_t poiOK = kTRUE; | |
244c607a | 239 | if (rpCFManager && poiCFManager) |
940a5ed1 | 240 | { |
244c607a | 241 | rpOK = ( rpCFManager->CheckParticleCuts(AliCFManager::kPartRecCuts,pParticle) && |
242 | rpCFManager->CheckParticleCuts(AliCFManager::kPartSelCuts,pParticle)); | |
243 | poiOK = ( poiCFManager->CheckParticleCuts(AliCFManager::kPartRecCuts,pParticle) && | |
244 | poiCFManager->CheckParticleCuts(AliCFManager::kPartSelCuts,pParticle)); | |
940a5ed1 | 245 | } |
246 | if (!(rpOK || poiOK)) continue; | |
7382279b | 247 | |
bc231a12 | 248 | //make new AliFlowTrack |
249 | AliFlowTrack* pTrack = new AliFlowTrack(pParticle); | |
250 | pTrack->SetSource(AliFlowTrack::kFromAOD); | |
7382279b | 251 | |
cd755f77 | 252 | if (rpOK /* && rpCFManager */ ) // to be fixed - with CF managers uncommented only empty events (NULL in header files) |
940a5ed1 | 253 | { |
254 | pTrack->SetForRPSelection(kTRUE); | |
bc231a12 | 255 | fNumberOfRPs++; |
7382279b | 256 | } |
cd755f77 | 257 | if (poiOK /* && poiCFManager*/ ) |
940a5ed1 | 258 | { |
259 | pTrack->SetForPOISelection(kTRUE); | |
260 | } | |
261 | AddTrack(pTrack); | |
262 | } | |
7382279b | 263 | |
264 | // if (iSelParticlesRP >= fMinMult && iSelParticlesRP <= fMaxMult) | |
265 | // { | |
266 | // if ( (++fCount % 100) == 0) | |
267 | // { | |
268 | // if (!fMCReactionPlaneAngle == 0) cout<<" MC Reaction Plane Angle = "<< fMCReactionPlaneAngle << endl; | |
269 | // else cout<<" MC Reaction Plane Angle = unknown "<< endl; | |
270 | // cout<<" iGoodTracks = "<<iGoodTracks<<endl; | |
271 | // cout<<" # of RP selected tracks = "<<iSelParticlesRP<<endl; | |
272 | // cout<<" # of POI selected tracks = "<<iSelParticlesPOI<<endl; | |
273 | // cout << "# " << fCount << " events processed" << endl; | |
274 | // } | |
275 | // return pEvent; | |
276 | // } | |
277 | // else | |
278 | // { | |
279 | // cout<<"Not enough tracks in the FlowEventSimple"<<endl; | |
280 | // return 0; | |
281 | // } | |
282 | //} | |
283 | //else | |
284 | //{ | |
285 | // cout<<"Event does not pass multiplicity cuts"<<endl; | |
286 | // return 0; | |
287 | //} | |
288 | ||
289 | } | |
290 | ||
291 | //----------------------------------------------------------------------- | |
292 | AliFlowEvent::AliFlowEvent( const AliESDEvent* anInput, | |
293 | const AliMCEvent* anInputMc, | |
124fb262 | 294 | KineSource anOption, |
244c607a | 295 | const AliCFManager* rpCFManager, |
296 | const AliCFManager* poiCFManager ): | |
7382279b | 297 | AliFlowEventSimple(20) |
298 | { | |
299 | //fills the event with tracks from the ESD and kinematics from the MC info via the track label | |
124fb262 | 300 | if (anOption==kNoKine) |
7382279b | 301 | { |
77111ee6 | 302 | AliFatal("WRONG OPTION IN AliFlowEventMaker::FillTracks(AliESDEvent* anInput, AliMCEvent* anInputMc, KineSource anOption)"); |
7382279b | 303 | exit(1); |
304 | } | |
305 | ||
306 | Int_t iNumberOfInputTracks = anInput->GetNumberOfTracks() ; | |
307 | ||
308 | Int_t iNumberOfInputTracksMC = anInputMc->GetNumberOfTracks() ; | |
309 | if (iNumberOfInputTracksMC==-1) | |
310 | { | |
77111ee6 | 311 | AliError("Skipping Event -- No MC information available for this event"); |
7382279b | 312 | return; |
313 | } | |
314 | ||
315 | //loop over ESD tracks | |
316 | for (Int_t itrkN=0; itrkN<iNumberOfInputTracks; itrkN++) | |
940a5ed1 | 317 | { |
318 | AliESDtrack* pParticle = anInput->GetTrack(itrkN); //get input particle | |
319 | //get Label | |
320 | Int_t iLabel = pParticle->GetLabel(); | |
321 | //match to mc particle | |
322 | AliMCParticle* pMcParticle = (AliMCParticle*) anInputMc->GetTrack(TMath::Abs(iLabel)); | |
323 | ||
324 | //check | |
77111ee6 | 325 | if (TMath::Abs(pParticle->GetLabel())!=pMcParticle->Label()) |
326 | AliWarning(Form("pParticle->GetLabel()!=pMcParticle->Label(), %i, %i", pParticle->GetLabel(), pMcParticle->Label())); | |
940a5ed1 | 327 | |
328 | //check if pParticle passes the cuts | |
329 | Bool_t rpOK = kTRUE; | |
330 | Bool_t poiOK = kTRUE; | |
244c607a | 331 | if (rpCFManager && poiCFManager) |
7382279b | 332 | { |
124fb262 | 333 | if(anOption == kESDkine) |
7382279b | 334 | { |
244c607a | 335 | if (rpCFManager->CheckParticleCuts(AliCFManager::kPartGenCuts,pMcParticle,"mcGenCuts1") && |
336 | rpCFManager->CheckParticleCuts(AliCFManager::kPartRecCuts,pParticle)) | |
7382279b | 337 | rpOK=kTRUE; |
244c607a | 338 | if (poiCFManager->CheckParticleCuts(AliCFManager::kPartGenCuts,pMcParticle,"mcGenCuts2") && |
339 | poiCFManager->CheckParticleCuts(AliCFManager::kPartRecCuts,pParticle)) | |
7382279b | 340 | poiOK=kTRUE; |
341 | } | |
124fb262 | 342 | else if (anOption == kMCkine) |
7382279b | 343 | { |
244c607a | 344 | if (rpCFManager->CheckParticleCuts(AliCFManager::kPartGenCuts,pMcParticle)) |
7382279b | 345 | rpOK=kTRUE; |
244c607a | 346 | if (poiCFManager->CheckParticleCuts(AliCFManager::kPartGenCuts,pMcParticle)) |
7382279b | 347 | poiOK=kTRUE; |
348 | } | |
940a5ed1 | 349 | } |
7382279b | 350 | |
940a5ed1 | 351 | if (!(rpOK || poiOK)) continue; |
7382279b | 352 | |
bc231a12 | 353 | //make new AliFlowTrack |
701f71c1 | 354 | AliFlowTrack* pTrack = NULL; |
940a5ed1 | 355 | if(anOption == kESDkine) //take the PID from the MC & the kinematics from the ESD |
356 | { | |
701f71c1 | 357 | pTrack = new AliFlowTrack(pParticle); |
940a5ed1 | 358 | } |
359 | else if (anOption == kMCkine) //take the PID and kinematics from the MC | |
360 | { | |
701f71c1 | 361 | pTrack = new AliFlowTrack(pMcParticle); |
940a5ed1 | 362 | } |
7382279b | 363 | |
244c607a | 364 | if (rpOK && rpCFManager) |
940a5ed1 | 365 | { |
bc231a12 | 366 | fNumberOfRPs++; |
940a5ed1 | 367 | pTrack->SetForRPSelection(); |
7382279b | 368 | } |
244c607a | 369 | if (poiOK && poiCFManager) pTrack->SetForPOISelection(); |
940a5ed1 | 370 | |
371 | AddTrack(pTrack); | |
372 | } | |
373 | SetMCReactionPlaneAngle(anInputMc); | |
7382279b | 374 | } |
375 | ||
ef4799a7 | 376 | //----------------------------------------------------------------------- |
377 | AliFlowEvent::AliFlowEvent( const AliESDEvent* anInput, | |
44e060e0 | 378 | const AliMultiplicity* anInputTracklets, |
379 | const AliCFManager* poiCFManager ): | |
ef4799a7 | 380 | AliFlowEventSimple(20) |
381 | { | |
382 | ||
383 | //Select the particles of interest from the ESD | |
384 | Int_t iNumberOfInputTracks = anInput->GetNumberOfTracks() ; | |
385 | ||
386 | //loop over tracks | |
387 | for (Int_t itrkN=0; itrkN<iNumberOfInputTracks; itrkN++) | |
388 | { | |
389 | AliESDtrack* pParticle = anInput->GetTrack(itrkN); //get input particle | |
390 | ||
391 | //check if pParticle passes the cuts | |
392 | Bool_t poiOK = kTRUE; | |
393 | if (poiCFManager) | |
394 | { | |
395 | poiOK = ( poiCFManager->CheckParticleCuts(AliCFManager::kPartRecCuts,pParticle) && | |
396 | poiCFManager->CheckParticleCuts(AliCFManager::kPartSelCuts,pParticle)); | |
397 | } | |
398 | if (!poiOK) continue; | |
399 | ||
400 | //make new AliFLowTrack | |
701f71c1 | 401 | AliFlowTrack* pTrack = new AliFlowTrack(pParticle); |
ef4799a7 | 402 | |
403 | //marking the particles used for the particle of interest (POI) selection: | |
404 | if(poiOK && poiCFManager) | |
405 | { | |
406 | pTrack->SetForPOISelection(kTRUE); | |
407 | pTrack->SetSource(AliFlowTrack::kFromESD); | |
408 | } | |
409 | ||
410 | AddTrack(pTrack); | |
411 | }//end of while (itrkN < iNumberOfInputTracks) | |
412 | ||
413 | //Select the reference particles from the SPD tracklets | |
414 | anInputTracklets = anInput->GetMultiplicity(); | |
415 | Int_t multSPD = anInputTracklets->GetNumberOfTracklets(); | |
44e060e0 | 416 | |
ef4799a7 | 417 | //loop over tracklets |
418 | for (Int_t itracklet=0; itracklet<multSPD; ++itracklet) { | |
419 | Float_t thetaTr= anInputTracklets->GetTheta(itracklet); | |
420 | Float_t phiTr= anInputTracklets->GetPhi(itracklet); | |
421 | // calculate eta | |
422 | Float_t etaTr = -TMath::Log(TMath::Tan(thetaTr/2.)); | |
423 | ||
424 | //make new AliFLowTrackSimple | |
425 | AliFlowTrack* pTrack = new AliFlowTrack(); | |
426 | pTrack->SetPt(0.0); | |
427 | pTrack->SetEta(etaTr); | |
428 | pTrack->SetPhi(phiTr); | |
429 | //marking the particles used for the reference particle (RP) selection: | |
430 | fNumberOfRPs++; | |
431 | pTrack->SetForRPSelection(kTRUE); | |
432 | pTrack->SetSource(AliFlowTrack::kFromTracklet); | |
433 | ||
434 | //Add the track to the flowevent | |
435 | AddTrack(pTrack); | |
436 | } | |
437 | ||
438 | } | |
439 | ||
cd755f77 | 440 | //----------------------------------------------------------------------- |
441 | AliFlowEvent::AliFlowEvent( const AliESDEvent* esd, | |
442 | const AliCFManager* poiCFManager, | |
443 | Bool_t hybrid): | |
444 | AliFlowEventSimple(20) | |
445 | { | |
446 | ||
447 | //Select the particles of interest from the ESD | |
448 | Int_t iNumberOfInputTracks = esd->GetNumberOfTracks() ; | |
449 | ||
450 | //Double_t gPt = 0.0, gP = 0.0; | |
451 | Double_t dca[2] = {0.0,0.0}, cov[3] = {0.0,0.0,0.0}; //The impact parameters and their covariance. | |
452 | Double_t dca3D = 0.0; | |
453 | ||
454 | AliESDtrack trackTPC; | |
455 | ||
456 | //loop over tracks | |
457 | for (Int_t itrkN=0; itrkN<iNumberOfInputTracks; itrkN++) | |
458 | { | |
459 | ||
460 | if (!esd->GetTrack(itrkN)) continue; | |
461 | ||
462 | Bool_t useTPC = kFALSE; | |
463 | ||
464 | AliESDtrack* pParticle = esd->GetTrack(itrkN); //get input particle | |
465 | ||
466 | //check if pParticle passes the cuts | |
467 | Bool_t poiOK = kTRUE; | |
468 | ||
469 | if (poiCFManager) | |
470 | { | |
471 | poiOK = ( poiCFManager->CheckParticleCuts(AliCFManager::kPartRecCuts,pParticle) && | |
472 | poiCFManager->CheckParticleCuts(AliCFManager::kPartSelCuts,pParticle)); | |
473 | } | |
474 | ||
475 | if (!(poiOK)) continue; | |
476 | ||
477 | AliExternalTrackParam *tpcTrack = (AliExternalTrackParam *)pParticle->GetTPCInnerParam(); | |
478 | ||
479 | if (tpcTrack) | |
480 | { | |
481 | ||
482 | // gPt = tpcTrack->Pt(); | |
483 | // gP = tpcTrack->P(); | |
484 | ||
485 | useTPC = kTRUE; | |
486 | ||
487 | const AliESDVertex *vertexSPD = esd->GetPrimaryVertexSPD(); | |
488 | const AliESDVertex *vertexTPC = esd->GetPrimaryVertexTPC(); | |
489 | ||
490 | if(hybrid) | |
491 | tpcTrack->PropagateToDCA(vertexSPD,esd->GetMagneticField(),100.,dca,cov); | |
492 | else | |
493 | tpcTrack->PropagateToDCA(vertexTPC,esd->GetMagneticField(),100.,dca,cov); | |
494 | ||
495 | dca3D = TMath::Sqrt(TMath::Power(dca[0],2)+TMath::Power(dca[1],2)); | |
496 | ||
497 | } | |
498 | ||
499 | //make new AliFLowTrack | |
500 | AliFlowTrack* pTrack = new AliFlowTrack(pParticle); | |
501 | ||
502 | pTrack->SetSource(AliFlowTrack::kFromESD); | |
503 | ||
504 | //marking the particles used for diff. flow: | |
505 | if(poiOK && poiCFManager) | |
506 | { | |
507 | pTrack->SetForPOISelection(kTRUE); | |
508 | } | |
509 | ||
510 | if(useTPC) | |
511 | { | |
512 | pTrack->SetForRPSelection(kTRUE); | |
513 | fNumberOfRPs++; | |
514 | } | |
515 | ||
516 | AddTrack(pTrack); | |
517 | ||
518 | }//end of while (itrkN < iNumberOfInputTracks) | |
519 | ||
520 | } | |
ef4799a7 | 521 | |
44e060e0 | 522 | //----------------------------------------------------------------------- |
523 | AliFlowEvent::AliFlowEvent( const AliESDEvent* anInput, | |
524 | const TH2F* anInputFMDhist, | |
525 | const AliCFManager* poiCFManager ): | |
526 | AliFlowEventSimple(20) | |
527 | { | |
528 | ||
529 | //Select the particles of interest from the ESD | |
530 | Int_t iNumberOfInputTracks = anInput->GetNumberOfTracks() ; | |
531 | ||
532 | //loop over tracks | |
533 | for (Int_t itrkN=0; itrkN<iNumberOfInputTracks; itrkN++) | |
534 | { | |
535 | AliESDtrack* pParticle = anInput->GetTrack(itrkN); //get input particle | |
536 | ||
537 | //check if pParticle passes the cuts | |
538 | Bool_t poiOK = kTRUE; | |
539 | if (poiCFManager) | |
540 | { | |
541 | poiOK = ( poiCFManager->CheckParticleCuts(AliCFManager::kPartRecCuts,pParticle) && | |
542 | poiCFManager->CheckParticleCuts(AliCFManager::kPartSelCuts,pParticle)); | |
543 | } | |
544 | if (!poiOK) continue; | |
545 | ||
546 | //make new AliFLowTrack | |
701f71c1 | 547 | AliFlowTrack* pTrack = new AliFlowTrack(pParticle); |
44e060e0 | 548 | |
549 | //marking the particles used for the particle of interest (POI) selection: | |
550 | if(poiOK && poiCFManager) | |
551 | { | |
552 | pTrack->SetForPOISelection(kTRUE); | |
553 | pTrack->SetSource(AliFlowTrack::kFromESD); | |
554 | } | |
555 | ||
556 | AddTrack(pTrack); | |
557 | }//end of while (itrkN < iNumberOfInputTracks) | |
558 | ||
559 | //Select the reference particles from the FMD hits | |
560 | //loop over FMD histogram | |
561 | Int_t iBinsEta = anInputFMDhist->GetNbinsX(); | |
562 | Int_t iBinsPhi = anInputFMDhist->GetNbinsY(); | |
563 | ||
564 | for (Int_t iEta = 1; iEta <= iBinsEta; iEta++){ | |
565 | Double_t etaFMD = anInputFMDhist->GetXaxis()->GetBinCenter(iEta); | |
566 | for (Int_t iPhi = 1; iPhi <= iBinsPhi; iPhi++){ | |
567 | Double_t phiFMD = anInputFMDhist->GetYaxis()->GetBinCenter(iPhi); | |
568 | Double_t weightFMD = anInputFMDhist->GetBinContent(iEta,iPhi); | |
569 | ||
570 | if (weightFMD > 0.0) { //do not add empty bins | |
571 | //make new AliFLowTrackSimple | |
572 | AliFlowTrack* pTrack = new AliFlowTrack(); | |
573 | pTrack->SetPt(0.0); | |
574 | pTrack->SetEta(etaFMD); | |
575 | pTrack->SetPhi(phiFMD); | |
576 | pTrack->SetWeight(weightFMD); | |
577 | //marking the particles used for the reference particle (RP) selection: | |
333ce021 | 578 | pTrack->TagRP(); |
44e060e0 | 579 | fNumberOfRPs++; |
333ce021 | 580 | pTrack->SetSource(AliFlowTrack::kFromFMD); |
44e060e0 | 581 | |
582 | //Add the track to the flowevent | |
583 | AddTrack(pTrack); | |
584 | ||
585 | } | |
586 | } | |
587 | } | |
588 | ||
589 | } | |
590 | ||
daf66719 | 591 | //----------------------------------------------------------------------- |
03d364db | 592 | AliFlowEvent::AliFlowEvent( AliFlowTrackCuts* rpCuts, |
daf66719 | 593 | AliFlowTrackCuts* poiCuts ): |
594 | AliFlowEventSimple(20) | |
595 | { | |
596 | //Fills the event from a vevent: AliESDEvent,AliAODEvent,AliMCEvent | |
03d364db | 597 | //the input data needs to be attached to the cuts |
12b2b8bc | 598 | //we have two cases, if we're cutting the same collection of tracks |
599 | //(same param type) then we can have tracks that are both rp and poi | |
600 | //in the other case we want to have two exclusive sets of rps and pois | |
601 | //e.g. one tracklets, the other PMD or global - USER IS RESPOSIBLE | |
602 | //FOR MAKING SURE THEY DONT OVERLAP OR ELSE THE SAME PARTICLE WILL BE | |
603 | //TAKEN TWICE | |
03d364db | 604 | |
605 | AliFlowTrackCuts::trackParameterType sourceRP = rpCuts->GetParamType(); | |
606 | AliFlowTrackCuts::trackParameterType sourcePOI = poiCuts->GetParamType(); | |
607 | ||
608 | if (!rpCuts || !poiCuts) return; | |
12b2b8bc | 609 | if (sourceRP==sourcePOI) |
610 | { | |
611 | //loop over tracks | |
03d364db | 612 | for (Int_t i=0; i<rpCuts->GetNumberOfInputObjects(); i++) |
daf66719 | 613 | { |
12b2b8bc | 614 | //get input object (particle) |
03d364db | 615 | TObject* particle = rpCuts->GetInputObject(i); |
12b2b8bc | 616 | |
617 | Bool_t rp = rpCuts->IsSelected(particle,i); | |
618 | Bool_t poi = poiCuts->IsSelected(particle,i); | |
619 | ||
620 | if (!(rp||poi)) continue; | |
621 | ||
622 | //make new AliFLowTrack | |
623 | AliFlowTrack* pTrack = NULL; | |
12b2b8bc | 624 | if (rp) |
625 | { | |
626 | pTrack = rpCuts->MakeFlowTrack(); | |
03d364db | 627 | if (!pTrack) continue; |
12b2b8bc | 628 | pTrack->TagRP(); fNumberOfRPs++; |
924b02b0 | 629 | if (poi) pTrack->TagPOI(); |
12b2b8bc | 630 | } |
631 | else | |
632 | if (poi) | |
633 | { | |
634 | pTrack = poiCuts->MakeFlowTrack(); | |
03d364db | 635 | if (!pTrack) continue; |
12b2b8bc | 636 | pTrack->TagPOI(); |
637 | } | |
638 | ||
639 | AddTrack(pTrack); | |
640 | }//end of while (i < numberOfTracks) | |
641 | } | |
642 | else if (sourceRP!=sourcePOI) | |
643 | { | |
644 | //here we have two different sources of particles, so we fill | |
645 | //them independently | |
924b02b0 | 646 | AliFlowTrack* pTrack = NULL; |
12b2b8bc | 647 | //RP |
03d364db | 648 | for (Int_t i=0; i<rpCuts->GetNumberOfInputObjects(); i++) |
daf66719 | 649 | { |
03d364db | 650 | TObject* particle = rpCuts->GetInputObject(i); |
12b2b8bc | 651 | Bool_t rp = rpCuts->IsSelected(particle,i); |
652 | if (!rp) continue; | |
924b02b0 | 653 | pTrack = rpCuts->MakeFlowTrack(); |
9a0783cc | 654 | if (!pTrack) continue; |
59dab33a | 655 | pTrack->TagRP(); fNumberOfRPs++; |
924b02b0 | 656 | AddTrack(pTrack); |
daf66719 | 657 | } |
12b2b8bc | 658 | //POI |
03d364db | 659 | for (Int_t i=0; i<poiCuts->GetNumberOfInputObjects(); i++) |
daf66719 | 660 | { |
03d364db | 661 | TObject* particle = poiCuts->GetInputObject(i); |
12b2b8bc | 662 | Bool_t poi = poiCuts->IsSelected(particle,i); |
663 | if (!poi) continue; | |
924b02b0 | 664 | pTrack = poiCuts->MakeFlowTrack(); |
9a0783cc | 665 | if (!pTrack) continue; |
daf66719 | 666 | pTrack->TagPOI(); |
924b02b0 | 667 | AddTrack(pTrack); |
daf66719 | 668 | } |
12b2b8bc | 669 | } |
daf66719 | 670 | } |
671 | ||
333ce021 | 672 | //-------------------------------------------------------------------// |
673 | //---- Including PMD tracks as RP --------------------------// | |
674 | ||
675 | AliFlowEvent::AliFlowEvent( const AliESDEvent* anInput, | |
676 | const AliESDPmdTrack *pmdtracks, | |
677 | const AliCFManager* poiCFManager ): | |
678 | AliFlowEventSimple(20) | |
679 | { | |
680 | Float_t GetPmdEta(Float_t xPos, Float_t yPos, Float_t zPos); | |
681 | Float_t GetPmdPhi(Float_t xPos, Float_t yPos); | |
682 | //Select the particles of interest from the ESD | |
683 | Int_t iNumberOfInputTracks = anInput->GetNumberOfTracks() ; | |
684 | ||
685 | //loop over tracks | |
686 | for (Int_t itrkN=0; itrkN<iNumberOfInputTracks; itrkN++) | |
687 | { | |
688 | AliESDtrack* pParticle = anInput->GetTrack(itrkN); //get input particle | |
689 | //check if pParticle passes the cuts | |
690 | Bool_t poiOK = kTRUE; | |
691 | if (poiCFManager) | |
692 | { | |
693 | poiOK = ( poiCFManager->CheckParticleCuts(AliCFManager::kPartRecCuts,pParticle) && | |
694 | poiCFManager->CheckParticleCuts(AliCFManager::kPartSelCuts,pParticle)); | |
695 | } | |
696 | if (!poiOK) continue; | |
697 | ||
698 | //make new AliFLowTrack | |
699 | AliFlowTrack* pTrack = new AliFlowTrack(pParticle); | |
700 | ||
701 | //marking the particles used for the particle of interest (POI) selection: | |
702 | if(poiOK && poiCFManager) | |
703 | { | |
704 | pTrack->SetForPOISelection(kTRUE); | |
705 | pTrack->SetSource(AliFlowTrack::kFromESD); | |
706 | } | |
707 | ||
708 | AddTrack(pTrack); | |
709 | }//end of while (itrkN < iNumberOfInputTracks) | |
710 | ||
711 | //Select the reference particles from the PMD tracks | |
712 | Int_t npmdcl = anInput->GetNumberOfPmdTracks(); | |
713 | printf("======There are %d PMD tracks in this event\n-------",npmdcl); | |
714 | //loop over clusters | |
715 | for(Int_t iclust=0; iclust < npmdcl; iclust++){ | |
716 | //AliESDPmdTrack *pmdtr = anInput->GetPmdTrack(iclust); | |
717 | pmdtracks = anInput->GetPmdTrack(iclust); | |
718 | Int_t det = pmdtracks->GetDetector(); | |
719 | //Int_t smn = pmdtracks->GetSmn(); | |
720 | Float_t clsX = pmdtracks->GetClusterX(); | |
721 | Float_t clsY = pmdtracks->GetClusterY(); | |
722 | Float_t clsZ = pmdtracks->GetClusterZ(); | |
723 | Float_t ncell = pmdtracks->GetClusterCells(); | |
724 | Float_t adc = pmdtracks->GetClusterADC(); | |
725 | //Float_t pid = pmdtracks->GetClusterPID(); | |
726 | Float_t etacls = GetPmdEta(clsX,clsY,clsZ); | |
727 | Float_t phicls = GetPmdPhi(clsX,clsY); | |
728 | //make new AliFLowTrackSimple | |
729 | AliFlowTrack* pTrack = new AliFlowTrack(); | |
730 | //if(det == 0){ //selecting preshower plane only | |
731 | if(det == 0 && adc > 270 && ncell > 1){ //selecting preshower plane only | |
732 | //pTrack->SetPt(adc);//cluster adc | |
733 | pTrack->SetPt(0.0); | |
734 | pTrack->SetEta(etacls); | |
735 | pTrack->SetPhi(phicls); | |
736 | //marking the particles used for the reference particle (RP) selection: | |
737 | fNumberOfRPs++; | |
738 | pTrack->SetForRPSelection(kTRUE); | |
739 | pTrack->SetSource(AliFlowTrack::kFromPMD); | |
740 | //Add the track to the flowevent | |
741 | AddTrack(pTrack); | |
742 | }//if det | |
743 | } | |
744 | } | |
745 | //----------------------------------------------------------------------------// | |
746 | Float_t GetPmdEta(Float_t xPos, Float_t yPos, Float_t zPos) | |
747 | { | |
748 | Float_t rpxpy, theta, eta; | |
749 | rpxpy = TMath::Sqrt(xPos*xPos + yPos*yPos); | |
750 | theta = TMath::ATan2(rpxpy,zPos); | |
751 | eta = -TMath::Log(TMath::Tan(0.5*theta)); | |
752 | return eta; | |
753 | } | |
754 | //--------------------------------------------------------------------------// | |
755 | Float_t GetPmdPhi(Float_t xPos, Float_t yPos) | |
756 | { | |
757 | Float_t pybypx, phi = 0., phi1; | |
758 | if(xPos==0) | |
759 | { | |
760 | if(yPos>0) phi = 90.; | |
761 | if(yPos<0) phi = 270.; | |
762 | } | |
763 | if(xPos != 0) | |
764 | { | |
765 | pybypx = yPos/xPos; | |
766 | if(pybypx < 0) pybypx = - pybypx; | |
767 | phi1 = TMath::ATan(pybypx)*180./3.14159; | |
768 | ||
769 | if(xPos > 0 && yPos > 0) phi = phi1; // 1st Quadrant | |
770 | if(xPos < 0 && yPos > 0) phi = 180 - phi1; // 2nd Quadrant | |
771 | if(xPos < 0 && yPos < 0) phi = 180 + phi1; // 3rd Quadrant | |
772 | if(xPos > 0 && yPos < 0) phi = 360 - phi1; // 4th Quadrant | |
773 | ||
774 | } | |
775 | phi = phi*3.14159/180.; | |
776 | return phi; | |
777 | } | |
778 | //---------------------------------------------------------------// | |
779 | ||
780 |