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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" | |
24 | #include "AliMCEvent.h" | |
25 | #include "AliMCParticle.h" | |
26 | #include "AliCFManager.h" | |
27 | #include "AliESDtrack.h" | |
28 | #include "AliESDEvent.h" | |
29 | #include "AliAODEvent.h" | |
30 | #include "AliGenCocktailEventHeader.h" | |
31 | #include "AliGenEposEventHeader.h" | |
32 | #include "AliGenHijingEventHeader.h" | |
33 | #include "AliGenGeVSimEventHeader.h" | |
34 | #include "AliFlowTrackSimpleCuts.h" | |
35 | #include "AliFlowEventSimple.h" | |
36 | #include "AliFlowEvent.h" | |
37 | ||
38 | ClassImp(AliFlowEvent) | |
39 | ||
40 | //----------------------------------------------------------------------- | |
41 | ||
42 | AliFlowEvent::AliFlowEvent(): | |
43 | AliFlowEventSimple() | |
44 | { | |
45 | //ctor | |
46 | cout << "AliFlowEvent: Default constructor to be used only by root for io" << endl; | |
47 | } | |
48 | ||
49 | //----------------------------------------------------------------------- | |
50 | ||
51 | AliFlowEvent::AliFlowEvent(const AliFlowEvent& event): | |
52 | AliFlowEventSimple(event) | |
53 | { | |
54 | //cpy ctor | |
55 | } | |
56 | ||
57 | //----------------------------------------------------------------------- | |
58 | ||
59 | AliFlowEvent& AliFlowEvent::operator=(const AliFlowEvent& event) | |
60 | { | |
61 | //assignment operator | |
62 | AliFlowEventSimple::operator=(event); | |
63 | return *this; | |
64 | } | |
65 | ||
66 | //----------------------------------------------------------------------- | |
67 | void AliFlowEvent::SetMCReactionPlaneAngle(const AliMCEvent* mcEvent) | |
68 | { | |
69 | //sets the event plane angle from the proper header in the MC | |
70 | ||
71 | //COCKTAIL with HIJING | |
72 | if (!strcmp(mcEvent-> GenEventHeader()->GetName(),"Cocktail Header")) //returns 0 if matches | |
73 | { | |
74 | AliGenCocktailEventHeader *headerC = dynamic_cast<AliGenCocktailEventHeader *> (mcEvent-> GenEventHeader()); | |
75 | if (headerC) | |
76 | { | |
77 | TList *lhd = headerC->GetHeaders(); | |
78 | if (lhd) | |
79 | { | |
80 | AliGenHijingEventHeader *hdh = dynamic_cast<AliGenHijingEventHeader *> (lhd->At(0)); | |
81 | if (hdh) AliFlowEventSimple::SetMCReactionPlaneAngle( hdh->ReactionPlaneAngle() ); | |
82 | } | |
83 | } | |
84 | } | |
85 | else if (!strcmp(mcEvent-> GenEventHeader()->GetName(),"GeVSim header")) //returns 0 if matches | |
86 | { | |
87 | AliGenGeVSimEventHeader* headerG = dynamic_cast<AliGenGeVSimEventHeader*>(mcEvent->GenEventHeader()); | |
88 | if (headerG) AliFlowEventSimple::SetMCReactionPlaneAngle( headerG->GetEventPlane() ); | |
89 | } | |
90 | else if (!strcmp(mcEvent-> GenEventHeader()->GetName(),"Hijing")) //returns 0 if matches | |
91 | { | |
92 | AliGenHijingEventHeader* headerH = dynamic_cast<AliGenHijingEventHeader*>(mcEvent->GenEventHeader()); | |
93 | if (headerH) AliFlowEventSimple::SetMCReactionPlaneAngle( headerH->ReactionPlaneAngle() ); | |
94 | } | |
95 | else if (!strcmp(mcEvent->GenEventHeader()->GetName(),"EPOS")) | |
96 | { | |
97 | AliGenEposEventHeader* headerE = dynamic_cast<AliGenEposEventHeader*>(mcEvent->GenEventHeader()); | |
98 | if (headerE) AliFlowEventSimple::SetMCReactionPlaneAngle( headerE->ReactionPlaneAngle() ); | |
99 | } | |
100 | } | |
101 | ||
102 | //----------------------------------------------------------------------- | |
103 | AliFlowEvent::AliFlowEvent( const AliMCEvent* anInput, | |
104 | const AliCFManager* intCFManager, | |
105 | const AliCFManager* diffCFManager): | |
106 | AliFlowEventSimple(20) | |
107 | { | |
108 | //Fills the event from the MC kinematic information | |
109 | ||
110 | Int_t iNumberOfInputTracks = anInput->GetNumberOfTracks() ; | |
111 | ||
112 | //loop over tracks | |
113 | for (Int_t itrkN=0; itrkN<iNumberOfInputTracks; itrkN++) | |
114 | { | |
115 | //get input particle | |
116 | AliMCParticle* pParticle = dynamic_cast<AliMCParticle*>(anInput->GetTrack(itrkN)); | |
117 | if (!pParticle) continue; | |
118 | ||
119 | //check if pParticle passes the cuts | |
120 | Bool_t rpOK = kTRUE; | |
121 | Bool_t poiOK = kTRUE; | |
122 | if (intCFManager && diffCFManager) | |
123 | { | |
124 | rpOK = intCFManager->CheckParticleCuts(AliCFManager::kPartGenCuts,pParticle); | |
125 | poiOK = diffCFManager->CheckParticleCuts(AliCFManager::kPartGenCuts,pParticle); | |
126 | } | |
127 | if (!(rpOK||poiOK)) continue; | |
128 | ||
129 | //TODO maybe make a class AliFlowTrack with a constructor from AliVParticle | |
130 | AliFlowTrackSimple* pTrack = new AliFlowTrackSimple(); | |
131 | pTrack->SetEta(pParticle->Eta()); | |
132 | pTrack->SetPhi(pParticle->Phi()); | |
133 | pTrack->SetPt(pParticle->Pt()); | |
134 | ||
135 | if (rpOK) | |
136 | { | |
137 | pTrack->SetForRPSelection(kTRUE); | |
138 | fEventNSelTracksRP++; | |
139 | } | |
140 | if (poiOK) | |
141 | { | |
142 | pTrack->SetForPOISelection(kTRUE); | |
143 | } | |
144 | ||
145 | AddTrack(pTrack) ; | |
146 | }//for all tracks | |
147 | SetMCReactionPlaneAngle(anInput); | |
148 | } | |
149 | ||
150 | //----------------------------------------------------------------------- | |
151 | AliFlowEvent::AliFlowEvent( const AliESDEvent* anInput, | |
152 | const AliCFManager* intCFManager, | |
153 | const AliCFManager* diffCFManager ): | |
154 | AliFlowEventSimple(20) | |
155 | { | |
156 | //Fills the event from the ESD | |
157 | ||
158 | Int_t iNumberOfInputTracks = anInput->GetNumberOfTracks() ; | |
159 | ||
160 | //loop over tracks | |
161 | for (Int_t itrkN=0; itrkN<iNumberOfInputTracks; itrkN++) | |
162 | { | |
163 | AliESDtrack* pParticle = anInput->GetTrack(itrkN); //get input particle | |
164 | ||
165 | //check if pParticle passes the cuts | |
166 | Bool_t rpOK = kTRUE; | |
167 | Bool_t poiOK = kTRUE; | |
168 | if (intCFManager && diffCFManager) | |
169 | { | |
170 | rpOK = ( intCFManager->CheckParticleCuts(AliCFManager::kPartRecCuts,pParticle) && | |
171 | intCFManager->CheckParticleCuts(AliCFManager::kPartSelCuts,pParticle)); | |
172 | poiOK = ( diffCFManager->CheckParticleCuts(AliCFManager::kPartRecCuts,pParticle) && | |
173 | diffCFManager->CheckParticleCuts(AliCFManager::kPartSelCuts,pParticle)); | |
174 | } | |
175 | if (!(rpOK || poiOK)) continue; | |
176 | ||
177 | //make new AliFLowTrackSimple | |
178 | AliFlowTrackSimple* pTrack = new AliFlowTrackSimple(); | |
179 | pTrack->SetPt(pParticle->Pt() ); | |
180 | pTrack->SetEta(pParticle->Eta() ); | |
181 | pTrack->SetPhi(pParticle->Phi() ); | |
182 | ||
183 | //marking the particles used for int. flow: | |
184 | if(rpOK) | |
185 | { | |
186 | pTrack->SetForRPSelection(kTRUE); | |
187 | fEventNSelTracksRP++; | |
188 | } | |
189 | //marking the particles used for diff. flow: | |
190 | if(poiOK) | |
191 | { | |
192 | pTrack->SetForPOISelection(kTRUE); | |
193 | } | |
194 | ||
195 | AddTrack(pTrack); | |
196 | }//end of while (itrkN < iNumberOfInputTracks) | |
197 | } | |
198 | ||
199 | //----------------------------------------------------------------------- | |
200 | AliFlowEvent::AliFlowEvent( const AliAODEvent* anInput, | |
201 | const AliCFManager* intCFManager, | |
202 | const AliCFManager* diffCFManager): | |
203 | AliFlowEventSimple(20) | |
204 | { | |
205 | //Fills the event from the AOD | |
206 | Int_t iNumberOfInputTracks = anInput->GetNumberOfTracks() ; | |
207 | ||
208 | //loop over tracks | |
209 | for (Int_t itrkN=0; itrkN<iNumberOfInputTracks; itrkN++) | |
210 | { | |
211 | AliAODTrack* pParticle = anInput->GetTrack(itrkN); //get input particle | |
212 | ||
213 | //check if pParticle passes the cuts | |
214 | Bool_t rpOK = kTRUE; | |
215 | Bool_t poiOK = kTRUE; | |
216 | if (intCFManager && diffCFManager) | |
217 | { | |
218 | rpOK = ( intCFManager->CheckParticleCuts(AliCFManager::kPartRecCuts,pParticle) && | |
219 | intCFManager->CheckParticleCuts(AliCFManager::kPartSelCuts,pParticle)); | |
220 | poiOK = ( diffCFManager->CheckParticleCuts(AliCFManager::kPartRecCuts,pParticle) && | |
221 | diffCFManager->CheckParticleCuts(AliCFManager::kPartSelCuts,pParticle)); | |
222 | } | |
223 | if (!(rpOK || poiOK)) continue; | |
224 | ||
225 | //make new AliFlowTrackSimple | |
226 | AliFlowTrackSimple* pTrack = new AliFlowTrackSimple(); | |
227 | pTrack->SetPt(pParticle->Pt() ); | |
228 | pTrack->SetEta(pParticle->Eta() ); | |
229 | pTrack->SetPhi(pParticle->Phi() ); | |
230 | ||
231 | if (rpOK) | |
232 | { | |
233 | pTrack->SetForRPSelection(kTRUE); | |
234 | fEventNSelTracksRP++; | |
235 | } | |
236 | if (poiOK) | |
237 | { | |
238 | pTrack->SetForPOISelection(kTRUE); | |
239 | } | |
240 | AddTrack(pTrack); | |
241 | } | |
242 | ||
243 | // if (iSelParticlesRP >= fMinMult && iSelParticlesRP <= fMaxMult) | |
244 | // { | |
245 | // if ( (++fCount % 100) == 0) | |
246 | // { | |
247 | // if (!fMCReactionPlaneAngle == 0) cout<<" MC Reaction Plane Angle = "<< fMCReactionPlaneAngle << endl; | |
248 | // else cout<<" MC Reaction Plane Angle = unknown "<< endl; | |
249 | // cout<<" iGoodTracks = "<<iGoodTracks<<endl; | |
250 | // cout<<" # of RP selected tracks = "<<iSelParticlesRP<<endl; | |
251 | // cout<<" # of POI selected tracks = "<<iSelParticlesPOI<<endl; | |
252 | // cout << "# " << fCount << " events processed" << endl; | |
253 | // } | |
254 | // return pEvent; | |
255 | // } | |
256 | // else | |
257 | // { | |
258 | // cout<<"Not enough tracks in the FlowEventSimple"<<endl; | |
259 | // return 0; | |
260 | // } | |
261 | //} | |
262 | //else | |
263 | //{ | |
264 | // cout<<"Event does not pass multiplicity cuts"<<endl; | |
265 | // return 0; | |
266 | //} | |
267 | ||
268 | } | |
269 | ||
270 | //----------------------------------------------------------------------- | |
271 | AliFlowEvent::AliFlowEvent( const AliESDEvent* anInput, | |
272 | const AliMCEvent* anInputMc, | |
273 | Int_t anOption, | |
274 | const AliCFManager* intCFManager, | |
275 | const AliCFManager* diffCFManager ): | |
276 | AliFlowEventSimple(20) | |
277 | { | |
278 | //fills the event with tracks from the ESD and kinematics from the MC info via the track label | |
279 | if (!(anOption ==0 || anOption ==1)) | |
280 | { | |
281 | cout<<"WRONG OPTION IN AliFlowEventMaker::FillTracks(AliESDEvent* anInput, AliMCEvent* anInputMc, Int_t anOption)"<<endl; | |
282 | exit(1); | |
283 | } | |
284 | ||
285 | Int_t iNumberOfInputTracks = anInput->GetNumberOfTracks() ; | |
286 | ||
287 | Int_t iNumberOfInputTracksMC = anInputMc->GetNumberOfTracks() ; | |
288 | if (iNumberOfInputTracksMC==-1) | |
289 | { | |
290 | cout<<"Skipping Event -- No MC information available for this event"<<endl; | |
291 | return; | |
292 | } | |
293 | ||
294 | //loop over ESD tracks | |
295 | for (Int_t itrkN=0; itrkN<iNumberOfInputTracks; itrkN++) | |
296 | { | |
297 | AliESDtrack* pParticle = anInput->GetTrack(itrkN); //get input particle | |
298 | //get Label | |
299 | Int_t iLabel = pParticle->GetLabel(); | |
300 | //match to mc particle | |
301 | AliMCParticle* pMcParticle = (AliMCParticle*) anInputMc->GetTrack(TMath::Abs(iLabel)); | |
302 | ||
303 | //check | |
304 | if (TMath::Abs(pParticle->GetLabel())!=pMcParticle->Label()) cout<<"pParticle->GetLabel()!=pMcParticle->Label() "<<pParticle->GetLabel()<<" "<<pMcParticle->Label()<<endl; | |
305 | ||
306 | //check if pParticle passes the cuts | |
307 | Bool_t rpOK = kTRUE; | |
308 | Bool_t poiOK = kTRUE; | |
309 | if (intCFManager && diffCFManager) | |
310 | { | |
311 | if(anOption == 0) | |
312 | { | |
313 | //cout<<"take the PID from the MC & the kinematics from the ESD"<<endl; | |
314 | if (intCFManager->CheckParticleCuts(AliCFManager::kPartGenCuts,pMcParticle,"mcGenCuts1") && | |
315 | intCFManager->CheckParticleCuts(AliCFManager::kPartRecCuts,pParticle)) | |
316 | rpOK=kTRUE; | |
317 | if (diffCFManager->CheckParticleCuts(AliCFManager::kPartGenCuts,pMcParticle,"mcGenCuts2") && | |
318 | diffCFManager->CheckParticleCuts(AliCFManager::kPartRecCuts,pParticle)) | |
319 | poiOK=kTRUE; | |
320 | } | |
321 | else if (anOption == 1) | |
322 | { | |
323 | //cout<<"take the PID and kinematics from the MC"<<endl; | |
324 | if (intCFManager->CheckParticleCuts(AliCFManager::kPartGenCuts,pMcParticle)) | |
325 | rpOK=kTRUE; | |
326 | if (diffCFManager->CheckParticleCuts(AliCFManager::kPartGenCuts,pMcParticle)) | |
327 | poiOK=kTRUE; | |
328 | } | |
329 | } | |
330 | ||
331 | if (!(rpOK || poiOK)) continue; | |
332 | ||
333 | //make new AliFlowTrackSimple | |
334 | AliFlowTrackSimple* pTrack = new AliFlowTrackSimple(); | |
335 | if(anOption == 0) //take the PID from the MC & the kinematics from the ESD | |
336 | { | |
337 | pTrack->SetPt(pParticle->Pt() ); | |
338 | pTrack->SetEta(pParticle->Eta() ); | |
339 | pTrack->SetPhi(pParticle->Phi() ); | |
340 | } | |
341 | else if (anOption == 1) //take the PID and kinematics from the MC | |
342 | { | |
343 | pTrack->SetPt(pMcParticle->Pt() ); | |
344 | pTrack->SetEta(pMcParticle->Eta() ); | |
345 | pTrack->SetPhi(pMcParticle->Phi() ); | |
346 | } | |
347 | else | |
348 | { | |
349 | cout<<"Not a valid option"<<endl; | |
350 | } | |
351 | ||
352 | if (rpOK) | |
353 | { | |
354 | fEventNSelTracksRP++; | |
355 | pTrack->SetForRPSelection(); | |
356 | } | |
357 | if (poiOK) pTrack->SetForPOISelection(); | |
358 | ||
359 | AddTrack(pTrack); | |
360 | } | |
361 | SetMCReactionPlaneAngle(anInputMc); | |
362 | } | |
363 |