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c683985a | 1 | /************************************************************************** |
234cae2f | 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 | **************************************************************************/ | |
c683985a | 15 | |
16 | #include "iostream" | |
17 | #include "TSystem.h" | |
18 | ||
19 | #include <TPDGCode.h> | |
20 | #include <TDatabasePDG.h> | |
21 | ||
22 | #include "TChain.h" | |
23 | #include "TTreeStream.h" | |
24 | #include "TTree.h" | |
25 | #include "TH1F.h" | |
26 | #include "TH3.h" | |
27 | #include "TCanvas.h" | |
28 | #include "TList.h" | |
29 | #include "TObjArray.h" | |
30 | #include "TFile.h" | |
31 | #include "TMatrixD.h" | |
32 | #include "TRandom3.h" | |
33 | ||
34 | #include "AliHeader.h" | |
35 | #include "AliGenEventHeader.h" | |
36 | #include "AliInputEventHandler.h" | |
37 | #include "AliStack.h" | |
38 | #include "AliTrackReference.h" | |
2e16763c | 39 | #include "AliTrackPointArray.h" |
40 | #include "AliSysInfo.h" | |
c683985a | 41 | |
42 | #include "AliPhysicsSelection.h" | |
43 | #include "AliAnalysisTask.h" | |
44 | #include "AliAnalysisManager.h" | |
45 | #include "AliESDEvent.h" | |
46 | #include "AliESDfriend.h" | |
47 | #include "AliMCEvent.h" | |
48 | #include "AliESDInputHandler.h" | |
49 | #include "AliESDVertex.h" | |
50 | #include "AliTracker.h" | |
51 | #include "AliVTrack.h" | |
52 | #include "AliGeomManager.h" | |
53 | ||
54 | #include "AliCentrality.h" | |
55 | #include "AliESDVZERO.h" | |
56 | #include "AliMultiplicity.h" | |
57 | ||
58 | #include "AliESDtrackCuts.h" | |
59 | #include "AliMCEventHandler.h" | |
60 | #include "AliFilteredTreeEventCuts.h" | |
61 | #include "AliFilteredTreeAcceptanceCuts.h" | |
62 | ||
63 | #include "AliAnalysisTaskFilteredTree.h" | |
64 | #include "AliKFParticle.h" | |
65 | #include "AliESDv0.h" | |
66 | #include "TVectorD.h" | |
67 | ||
68 | using namespace std; | |
69 | ||
70 | ClassImp(AliAnalysisTaskFilteredTree) | |
71 | ||
234cae2f | 72 | //_____________________________________________________________________________ |
73 | AliAnalysisTaskFilteredTree::AliAnalysisTaskFilteredTree(const char *name) | |
c683985a | 74 | : AliAnalysisTaskSE(name) |
75 | , fESD(0) | |
76 | , fMC(0) | |
77 | , fESDfriend(0) | |
78 | , fOutput(0) | |
79 | , fPitList(0) | |
80 | , fUseMCInfo(kFALSE) | |
81 | , fUseESDfriends(kFALSE) | |
82 | , fReducePileUp(kTRUE) | |
83 | , fFillTree(kTRUE) | |
84 | , fFilteredTreeEventCuts(0) | |
85 | , fFilteredTreeAcceptanceCuts(0) | |
86 | , fFilteredTreeRecAcceptanceCuts(0) | |
87 | , fEsdTrackCuts(0) | |
88 | , fTrigger(AliTriggerAnalysis::kMB1) | |
89 | , fAnalysisMode(kTPCAnalysisMode) | |
90 | , fTreeSRedirector(0) | |
91 | , fCentralityEstimator(0) | |
92 | , fLowPtTrackDownscaligF(0) | |
93 | , fLowPtV0DownscaligF(0) | |
94 | , fProcessAll(kFALSE) | |
95 | , fProcessCosmics(kFALSE) | |
caef4d04 | 96 | , fProcessITSTPCmatchOut(kFALSE) // swittch to process ITS/TPC standalone tracks |
c683985a | 97 | , fHighPtTree(0) |
98 | , fV0Tree(0) | |
99 | , fdEdxTree(0) | |
100 | , fLaserTree(0) | |
101 | , fMCEffTree(0) | |
102 | , fCosmicPairsTree(0) | |
103 | , fPtResPhiPtTPC(0) | |
104 | , fPtResPhiPtTPCc(0) | |
105 | , fPtResPhiPtTPCITS(0) | |
106 | , fPtResEtaPtTPC(0) | |
107 | , fPtResEtaPtTPCc(0) | |
108 | , fPtResEtaPtTPCITS(0) | |
109 | , fPtResCentPtTPC(0) | |
110 | , fPtResCentPtTPCc(0) | |
2e16763c | 111 | , fPtResCentPtTPCITS(0) |
112 | , fDummyFriendTrack(0) | |
113 | , fDummyTrack(0) | |
c683985a | 114 | { |
115 | // Constructor | |
116 | ||
117 | // Define input and output slots here | |
118 | DefineOutput(1, TTree::Class()); | |
119 | DefineOutput(2, TTree::Class()); | |
120 | DefineOutput(3, TTree::Class()); | |
121 | DefineOutput(4, TTree::Class()); | |
122 | DefineOutput(5, TTree::Class()); | |
123 | DefineOutput(6, TTree::Class()); | |
124 | DefineOutput(7, TList::Class()); | |
125 | } | |
126 | ||
127 | //_____________________________________________________________________________ | |
128 | AliAnalysisTaskFilteredTree::~AliAnalysisTaskFilteredTree() | |
129 | { | |
130 | //the output trees not to be deleted in case of proof analysis | |
131 | //Bool_t deleteTrees=kTRUE; | |
132 | //if ((AliAnalysisManager::GetAnalysisManager())) | |
133 | //{ | |
134 | // if (AliAnalysisManager::GetAnalysisManager()->GetAnalysisType() == | |
135 | // AliAnalysisManager::kProofAnalysis) | |
136 | // deleteTrees=kFALSE; | |
137 | //} | |
138 | //if (deleteTrees) delete fTreeSRedirector; | |
139 | ||
140 | delete fFilteredTreeEventCuts; | |
141 | delete fFilteredTreeAcceptanceCuts; | |
142 | delete fFilteredTreeRecAcceptanceCuts; | |
143 | delete fEsdTrackCuts; | |
144 | } | |
145 | ||
146 | //____________________________________________________________________________ | |
147 | Bool_t AliAnalysisTaskFilteredTree::Notify() | |
148 | { | |
149 | static Int_t count = 0; | |
150 | count++; | |
151 | TTree *chain = (TChain*)GetInputData(0); | |
152 | if(chain) | |
153 | { | |
154 | Printf("Processing %d. file: %s", count, chain->GetCurrentFile()->GetName()); | |
155 | } | |
156 | ||
b55a470b | 157 | return kTRUE; |
c683985a | 158 | } |
159 | ||
160 | //_____________________________________________________________________________ | |
161 | void AliAnalysisTaskFilteredTree::UserCreateOutputObjects() | |
162 | { | |
163 | // Create histograms | |
164 | // Called once | |
165 | ||
166 | // | |
167 | //get the output file to make sure the trees will be associated to it | |
168 | OpenFile(1); | |
169 | fTreeSRedirector = new TTreeSRedirector(); | |
234cae2f | 170 | |
c683985a | 171 | // |
172 | // Create trees | |
173 | fV0Tree = ((*fTreeSRedirector)<<"V0s").GetTree(); | |
174 | fHighPtTree = ((*fTreeSRedirector)<<"highPt").GetTree(); | |
175 | fdEdxTree = ((*fTreeSRedirector)<<"dEdx").GetTree(); | |
176 | fLaserTree = ((*fTreeSRedirector)<<"Laser").GetTree(); | |
177 | fMCEffTree = ((*fTreeSRedirector)<<"MCEffTree").GetTree(); | |
178 | fCosmicPairsTree = ((*fTreeSRedirector)<<"CosmicPairs").GetTree(); | |
179 | ||
2e16763c | 180 | if (!fDummyFriendTrack) |
181 | { | |
182 | fDummyFriendTrack=new AliESDfriendTrack(); | |
183 | fDummyFriendTrack->SetTrackPointArray(new AliTrackPointArray(164)); | |
184 | printf("just made a new dummy friend track!"); | |
185 | } | |
186 | if (!fDummyTrack) | |
187 | { | |
188 | fDummyTrack=new AliESDtrack(); | |
189 | } | |
c683985a | 190 | |
191 | // histogram booking | |
192 | ||
193 | Double_t minPt = 0.1; | |
194 | Double_t maxPt = 100.; | |
195 | Int_t nbinsPt = 30; | |
196 | ||
197 | Double_t logminPt = TMath::Log10(minPt); | |
198 | Double_t logmaxPt = TMath::Log10(maxPt); | |
199 | Double_t binwidth = (logmaxPt-logminPt)/nbinsPt; | |
200 | Double_t *binsPt = new Double_t[nbinsPt+1]; | |
201 | binsPt[0] = minPt; | |
202 | for (Int_t i=1;i<=nbinsPt;i++) { | |
203 | binsPt[i] = minPt + TMath::Power(10,logminPt+i*binwidth); | |
204 | } | |
205 | ||
206 | // 1pT resol cov matrix bins | |
207 | Double_t min1PtRes = 0.; | |
208 | Double_t max1PtRes = 0.3; | |
209 | Int_t nbins1PtRes = 300; | |
210 | Double_t bins1PtRes[301]; | |
211 | for (Int_t i=0;i<=nbins1PtRes;i++) { | |
212 | bins1PtRes[i] = min1PtRes + i*(max1PtRes-min1PtRes)/nbins1PtRes; | |
213 | } | |
214 | ||
215 | // phi bins | |
216 | Double_t minPhi = 0.; | |
217 | Double_t maxPhi = 6.5; | |
218 | Int_t nbinsPhi = 100; | |
219 | Double_t binsPhi[101]; | |
234cae2f | 220 | for (Int_t i=0;i<=nbinsPhi;i++) { |
c683985a | 221 | binsPhi[i] = minPhi + i*(maxPhi-minPhi)/nbinsPhi; |
222 | } | |
223 | ||
224 | // eta bins | |
225 | Double_t minEta = -1.; | |
226 | Double_t maxEta = 1.; | |
227 | Int_t nbinsEta = 20; | |
228 | Double_t binsEta[21]; | |
229 | for (Int_t i=0;i<=nbinsEta;i++) { | |
230 | binsEta[i] = minEta + i*(maxEta-minEta)/nbinsEta; | |
231 | } | |
232 | ||
233 | // mult bins | |
234 | Double_t minCent = 0.; | |
235 | Double_t maxCent = 100; | |
236 | Int_t nbinsCent = 20; | |
237 | Double_t binsCent[101]; | |
238 | for (Int_t i=0;i<=nbinsCent;i++) { | |
239 | binsCent[i] = minCent + i*(maxCent-minCent)/nbinsCent; | |
240 | } | |
234cae2f | 241 | |
c683985a | 242 | fPtResPhiPtTPC = new TH3D("fPtResPhiPtTPC","pt rel. resolution from cov. matrix TPC tracks",nbinsPt,binsPt,nbinsPhi,binsPhi,nbins1PtRes,bins1PtRes); |
243 | fPtResPhiPtTPCc = new TH3D("fPtResPhiPtTPCc","pt rel. resolution from cov. matrix TPC constrained tracks",nbinsPt,binsPt,nbinsPhi,binsPhi,nbins1PtRes,bins1PtRes); | |
244 | fPtResPhiPtTPCITS = new TH3D("fPtResPhiPtTPCITS","pt rel. resolution from cov. matrix TPC+ITS tracks",nbinsPt,binsPt,nbinsPhi,binsPhi,nbins1PtRes,bins1PtRes); | |
234cae2f | 245 | |
246 | fPtResEtaPtTPC = new TH3D("fPtResEtaPtTPC","pt rel. resolution from cov. matrix TPC tracks",nbinsPt,binsPt,nbinsEta,binsEta,nbins1PtRes,bins1PtRes); | |
c683985a | 247 | fPtResEtaPtTPCc = new TH3D("fPtResEtaPtTPCc","pt rel. resolution from cov. matrix TPC constrained tracks",nbinsPt,binsPt,nbinsEta,binsEta,nbins1PtRes,bins1PtRes); |
248 | fPtResEtaPtTPCITS = new TH3D("fPtResEtaPtTPCITS","pt rel. resolution from cov. matrix TPC+ITS tracks",nbinsPt,binsPt,nbinsEta,binsEta,nbins1PtRes,bins1PtRes); | |
234cae2f | 249 | |
250 | fPtResCentPtTPC = new TH3D("fPtResCentPtTPC","pt rel. resolution from cov. matrix TPC tracks",nbinsPt,binsPt,nbinsCent,binsCent,nbins1PtRes,bins1PtRes); | |
c683985a | 251 | fPtResCentPtTPCc = new TH3D("fPtResCentPtTPCc","pt rel. resolution from cov. matrix TPC constrained tracks",nbinsPt,binsPt,nbinsCent,binsCent,nbins1PtRes,bins1PtRes); |
252 | fPtResCentPtTPCITS = new TH3D("fPtResCentPtTPCITS","pt rel. resolution from cov. matrix TPC+ITS tracks",nbinsPt,binsPt,nbinsCent,binsCent,nbins1PtRes,bins1PtRes); | |
253 | ||
234cae2f | 254 | |
c683985a | 255 | fOutput = new TList; |
256 | if(!fOutput) return; | |
257 | fOutput->SetOwner(); | |
258 | ||
259 | fOutput->Add(fPtResPhiPtTPC); | |
260 | fOutput->Add(fPtResPhiPtTPCc); | |
261 | fOutput->Add(fPtResPhiPtTPCITS); | |
262 | fOutput->Add(fPtResEtaPtTPC); | |
263 | fOutput->Add(fPtResEtaPtTPCc); | |
264 | fOutput->Add(fPtResEtaPtTPCITS); | |
265 | fOutput->Add(fPtResCentPtTPC); | |
266 | fOutput->Add(fPtResCentPtTPCc); | |
267 | fOutput->Add(fPtResCentPtTPCITS); | |
268 | ||
269 | // post data to outputs | |
270 | ||
271 | PostData(1,fV0Tree); | |
272 | PostData(2,fHighPtTree); | |
273 | PostData(3,fdEdxTree); | |
274 | PostData(4,fLaserTree); | |
275 | PostData(5,fMCEffTree); | |
276 | PostData(6,fCosmicPairsTree); | |
277 | ||
278 | PostData(7,fOutput); | |
279 | } | |
280 | ||
281 | //_____________________________________________________________________________ | |
282 | void AliAnalysisTaskFilteredTree::UserExec(Option_t *) | |
283 | { | |
284 | // | |
285 | // Called for each event | |
286 | // | |
287 | ||
288 | // ESD event | |
289 | fESD = (AliESDEvent*) (InputEvent()); | |
290 | if (!fESD) { | |
291 | Printf("ERROR: ESD event not available"); | |
292 | return; | |
293 | } | |
294 | ||
295 | //// MC event | |
296 | //if(fUseMCInfo) { | |
297 | // fMC = MCEvent(); | |
298 | // if (!fMC) { | |
299 | // Printf("ERROR: MC event not available"); | |
300 | // return; | |
301 | // } | |
302 | //} | |
234cae2f | 303 | |
c683985a | 304 | //if MC info available - use it. |
305 | fMC = MCEvent(); | |
306 | ||
307 | if(fUseESDfriends) { | |
234cae2f | 308 | //fESDfriend = dynamic_cast<AliESDfriend*>(fESD->FindListObject("AliESDfriend")); |
309 | fESDfriend = ESDfriend(); | |
310 | ||
311 | if(!fESDfriend) { | |
312 | Printf("ERROR: ESD friends not available"); | |
c683985a | 313 | } |
314 | } | |
315 | ||
316 | //if set, use the environment variables to set the downscaling factors | |
317 | //AliAnalysisTaskFilteredTree_fLowPtTrackDownscaligF | |
318 | //AliAnalysisTaskFilteredTree_fLowPtV0DownscaligF | |
319 | TString env; | |
320 | env = gSystem->Getenv("AliAnalysisTaskFilteredTree_fLowPtTrackDownscaligF"); | |
321 | if (!env.IsNull()) | |
322 | { | |
323 | fLowPtTrackDownscaligF=env.Atof(); | |
324 | AliInfo(Form("fLowPtTrackDownscaligF=%f",fLowPtTrackDownscaligF)); | |
325 | } | |
326 | env = gSystem->Getenv("AliAnalysisTaskFilteredTree_fLowPtV0DownscaligF"); | |
327 | if (!env.IsNull()) | |
328 | { | |
329 | fLowPtV0DownscaligF=env.Atof(); | |
330 | AliInfo(Form("fLowPtV0DownscaligF=%f",fLowPtTrackDownscaligF)); | |
331 | } | |
332 | ||
333 | // | |
334 | if(fProcessAll) { | |
335 | ProcessAll(fESD,fMC,fESDfriend); // all track stages and MC | |
336 | } | |
337 | else { | |
338 | Process(fESD,fMC,fESDfriend); // only global and TPC tracks | |
339 | } | |
340 | ||
341 | // | |
342 | ProcessV0(fESD,fMC,fESDfriend); | |
343 | ProcessLaser(fESD,fMC,fESDfriend); | |
344 | ProcessdEdx(fESD,fMC,fESDfriend); | |
345 | ||
234cae2f | 346 | if (fProcessCosmics) { ProcessCosmics(fESD,fESDfriend); } |
c683985a | 347 | if(fMC) { ProcessMCEff(fESD,fMC,fESDfriend);} |
caef4d04 | 348 | if (fProcessITSTPCmatchOut) ProcessITSTPCmatchOut(fESD, fESDfriend); |
349 | printf("processed event %d\n", Entry()); | |
c683985a | 350 | } |
351 | ||
352 | //_____________________________________________________________________________ | |
234cae2f | 353 | void AliAnalysisTaskFilteredTree::ProcessCosmics(AliESDEvent *const event, AliESDfriend* esdFriend) |
c683985a | 354 | { |
355 | // | |
356 | // Select real events with high-pT tracks | |
357 | // | |
358 | if(!event) { | |
359 | AliDebug(AliLog::kError, "event not available"); | |
360 | return; | |
361 | } | |
362 | ||
363 | // | |
364 | AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler(); | |
365 | if (!inputHandler) | |
366 | { | |
367 | Printf("ERROR: Could not receive input handler"); | |
368 | return; | |
369 | } | |
234cae2f | 370 | |
c683985a | 371 | // get file name |
372 | TTree *chain = (TChain*)GetInputData(0); | |
373 | if(!chain) { | |
374 | Printf("ERROR: Could not receive input chain"); | |
375 | return; | |
376 | } | |
377 | TObjString fileName(chain->GetCurrentFile()->GetName()); | |
378 | ||
379 | ||
234cae2f | 380 | // check for cosmic pairs |
381 | // | |
382 | // find cosmic pairs trigger by random trigger | |
383 | // | |
384 | // | |
385 | AliESDVertex *vertexSPD = (AliESDVertex *)event->GetPrimaryVertexSPD(); | |
386 | AliESDVertex *vertexTPC = (AliESDVertex *)event->GetPrimaryVertexTPC(); | |
387 | const Double_t kMinPt=0.8; | |
388 | const Double_t kMinPtMax=0.8; | |
389 | const Double_t kMinNcl=50; | |
390 | const Double_t kMaxDelta[5]={2,600,0.02,0.02,0.1}; | |
391 | Int_t ntracks=event->GetNumberOfTracks(); | |
392 | // Float_t dcaTPC[2]={0,0}; | |
393 | // Float_t covTPC[3]={0,0,0}; | |
394 | ||
395 | UInt_t specie = event->GetEventSpecie(); // skip laser events | |
396 | if (specie==AliRecoParam::kCalib) return; | |
397 | ||
398 | ||
399 | ||
400 | for (Int_t itrack0=0;itrack0<ntracks;itrack0++) { | |
401 | AliESDtrack *track0 = event->GetTrack(itrack0); | |
402 | if (!track0) continue; | |
403 | if (!track0->IsOn(AliESDtrack::kTPCrefit)) continue; | |
404 | ||
405 | if (TMath::Abs(AliTracker::GetBz())>1 && track0->Pt() < kMinPt) continue; | |
406 | if (track0->Pt() < kMinPt) continue; | |
407 | if (track0->GetTPCncls() < kMinNcl) continue; | |
408 | if (TMath::Abs(track0->GetY())<kMaxDelta[0]) continue; | |
409 | if (track0->GetKinkIndex(0)>0) continue; | |
410 | const Double_t * par0=track0->GetParameter(); //track param at rhe DCA | |
411 | //rm primaries | |
c683985a | 412 | // |
234cae2f | 413 | //track0->GetImpactParametersTPC(dcaTPC,covTPC); |
414 | //if (TMath::Abs(dcaTPC[0])<kMaxDelta[0]) continue; | |
415 | //if (TMath::Abs(dcaTPC[1])<kMaxDelta[0]*2) continue; | |
416 | // const AliExternalTrackParam * trackIn0 = track0->GetInnerParam(); | |
234cae2f | 417 | AliESDfriendTrack* friendTrack0=NULL; |
418 | if (esdFriend) {if (!esdFriend->TestSkipBit()) friendTrack0 = esdFriend->GetTrack(itrack0);} //this guy can be NULL | |
2e16763c | 419 | //Bool_t newFriendTrack0=kFALSE; |
420 | //if (!friendTrack0) {friendTrack0=new AliESDfriendTrack(); newFriendTrack0=kTRUE;} | |
421 | if (!friendTrack0) {friendTrack0=fDummyFriendTrack;} | |
234cae2f | 422 | |
423 | for (Int_t itrack1=itrack0+1;itrack1<ntracks;itrack1++) { | |
424 | AliESDtrack *track1 = event->GetTrack(itrack1); | |
425 | if (!track1) continue; | |
426 | if (!track1->IsOn(AliESDtrack::kTPCrefit)) continue; | |
427 | if (track1->GetKinkIndex(0)>0) continue; | |
428 | if ((TMath::Abs(AliTracker::GetBz())>1) && (track1->Pt() < kMinPt)) continue; | |
429 | if (track1->Pt() < kMinPt) continue; | |
430 | if (track1->GetTPCncls()<kMinNcl) continue; | |
431 | if (TMath::Abs(AliTracker::GetBz())>1 && TMath::Max(track1->Pt(), track0->Pt())<kMinPtMax) continue; | |
432 | if (TMath::Abs(track1->GetY())<kMaxDelta[0]) continue; | |
433 | //track1->GetImpactParametersTPC(dcaTPC,covTPC); | |
434 | // if (TMath::Abs(dcaTPC[0])<kMaxDelta[0]) continue; | |
c683985a | 435 | //if (TMath::Abs(dcaTPC[1])<kMaxDelta[0]*2) continue; |
234cae2f | 436 | // |
437 | const Double_t* par1=track1->GetParameter(); //track param at rhe DCA | |
438 | // | |
439 | Bool_t isPair=kTRUE; | |
440 | for (Int_t ipar=0; ipar<5; ipar++){ | |
441 | if (ipar==4&&TMath::Abs(AliTracker::GetBz())<1) continue; // 1/pt not defined for B field off | |
442 | if (TMath::Abs(TMath::Abs(par0[ipar])-TMath::Abs(par1[ipar]))>kMaxDelta[ipar]) isPair=kFALSE; | |
443 | } | |
444 | if (!isPair) continue; | |
445 | if (TMath::Abs(TMath::Abs(track0->GetAlpha()-track1->GetAlpha())-TMath::Pi())>kMaxDelta[2]) isPair=kFALSE; | |
446 | //delta with correct sign | |
447 | /* | |
448 | TCut cut0="abs(t1.fP[0]+t0.fP[0])<2" | |
449 | TCut cut3="abs(t1.fP[3]+t0.fP[3])<0.02" | |
450 | TCut cut4="abs(t1.fP[4]+t0.fP[4])<0.2" | |
451 | */ | |
452 | if (TMath::Abs(par0[0]+par1[0])>kMaxDelta[0]) isPair=kFALSE; //delta y opposite sign | |
453 | if (TMath::Abs(par0[3]+par1[3])>kMaxDelta[3]) isPair=kFALSE; //delta tgl opposite sign | |
454 | if (TMath::Abs(AliTracker::GetBz())>1 && TMath::Abs(par0[4]+par1[4])>kMaxDelta[4]) isPair=kFALSE; //delta 1/pt opposite sign | |
455 | if (!isPair) continue; | |
456 | TString filename(AliAnalysisManager::GetAnalysisManager()->GetTree()->GetCurrentFile()->GetName()); | |
457 | Int_t eventNumber = event->GetEventNumberInFile(); | |
458 | //Bool_t hasFriend = kFALSE; | |
459 | //Bool_t hasITS=(track0->GetNcls(0)+track1->GetNcls(0)>4); | |
460 | //printf("DUMPHPTCosmic:%s|%f|%d|%d|%d\n",filename.Data(),(TMath::Min(track0->Pt(),track1->Pt())), eventNumber,hasFriend,hasITS); | |
461 | // const AliExternalTrackParam * trackIn1 = track1->GetInnerParam(); | |
462 | // | |
463 | // | |
464 | Int_t ntracksSPD = vertexSPD->GetNContributors(); | |
465 | Int_t ntracksTPC = vertexTPC->GetNContributors(); | |
466 | Int_t runNumber = event->GetRunNumber(); | |
467 | Int_t timeStamp = event->GetTimeStamp(); | |
468 | ULong64_t triggerMask = event->GetTriggerMask(); | |
469 | Float_t magField = event->GetMagneticField(); | |
470 | TObjString triggerClass = event->GetFiredTriggerClasses().Data(); | |
471 | ||
b55a470b | 472 | // Global event id calculation using orbitID, bunchCrossingID and periodID |
473 | ULong64_t orbitID = (ULong64_t)event->GetOrbitNumber(); | |
474 | ULong64_t bunchCrossID = (ULong64_t)event->GetBunchCrossNumber(); | |
475 | ULong64_t periodID = (ULong64_t)event->GetPeriodNumber(); | |
476 | ULong64_t gid = ((periodID << 36) | (orbitID << 12) | bunchCrossID); | |
477 | ||
234cae2f | 478 | // |
c683985a | 479 | // Dump to the tree |
480 | // vertex | |
481 | // TPC-ITS tracks | |
482 | // | |
483 | ||
484 | //fCosmicPairsTree->Branch("fileName",&fileName,32000,0); | |
485 | //fCosmicPairsTree->Branch("runNumber",&runNumber,"runNumber/I"); | |
486 | //fCosmicPairsTree->Branch("timeStamp",&timeStamp,"timeStamp/I"); | |
487 | //fCosmicPairsTree->Branch("eventNumber",&eventNumber,"eventNumber/I"); | |
488 | //fCosmicPairsTree->Branch("triggerMask",&triggerMask,32000,0); | |
489 | //fCosmicPairsTree->Branch("triggerClass",&triggerClass,32000,0); | |
490 | //fCosmicPairsTree->Branch("magField",&magField,"magField/F"); | |
491 | //fCosmicPairsTree->Branch("ntracksSPD",&ntracksSPD,"ntracksSPD/I"); | |
492 | //fCosmicPairsTree->Branch("ntracksTPC",&ntracksTPC,"ntracksTPC/I"); | |
493 | //fCosmicPairsTree->Branch("vertexSPD",vertexSPD,32000,0); | |
494 | //fCosmicPairsTree->Branch("vertexTPC",vertexTPC,32000,0); | |
495 | //fCosmicPairsTree->Branch("track0",track0,32000,0); | |
496 | //fCosmicPairsTree->Branch("track1",track1,32000,0); | |
497 | // | |
498 | //fCosmicPairsTree->Fill(); | |
499 | ||
234cae2f | 500 | AliESDfriendTrack* friendTrack1=NULL; |
501 | if (esdFriend) {if (!esdFriend->TestSkipBit()) friendTrack1 = esdFriend->GetTrack(itrack1);} //this guy can be NULL | |
2e16763c | 502 | //Bool_t newFriendTrack1=kFALSE; |
503 | //if (!friendTrack1) {friendTrack1=new AliESDfriendTrack(); newFriendTrack1=kTRUE;} | |
504 | if (!friendTrack1) {friendTrack1=fDummyFriendTrack;} | |
234cae2f | 505 | |
c683985a | 506 | if(!fFillTree) return; |
507 | if(!fTreeSRedirector) return; | |
234cae2f | 508 | (*fTreeSRedirector)<<"CosmicPairs"<< |
b55a470b | 509 | "gid="<<gid<< |
234cae2f | 510 | "fileName.="<<&fileName<< // file name |
511 | "runNumber="<<runNumber<< // run number | |
512 | "evtTimeStamp="<<timeStamp<< // time stamp of event | |
513 | "evtNumberInFile="<<eventNumber<< // event number | |
514 | "trigger="<<triggerMask<< // trigger | |
515 | "triggerClass="<<&triggerClass<< // trigger | |
516 | "Bz="<<magField<< // magnetic field | |
517 | // | |
518 | "multSPD="<<ntracksSPD<< | |
519 | "multTPC="<<ntracksTPC<< | |
520 | "vertSPD.="<<vertexSPD<< //primary vertex -SPD | |
521 | "vertTPC.="<<vertexTPC<< //primary vertex -TPC | |
522 | "t0.="<<track0<< //track0 | |
523 | "t1.="<<track1<< //track1 | |
524 | "friendTrack0.="<<friendTrack0<< | |
525 | "friendTrack1.="<<friendTrack1<< | |
526 | "\n"; | |
2e16763c | 527 | //if (newFriendTrack1) {delete friendTrack1; friendTrack1=NULL;} |
234cae2f | 528 | } |
2e16763c | 529 | //if (newFriendTrack0) {delete friendTrack0; friendTrack0=NULL;} |
234cae2f | 530 | } |
c683985a | 531 | } |
532 | ||
533 | ||
534 | //_____________________________________________________________________________ | |
535 | void AliAnalysisTaskFilteredTree::Process(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent, AliESDfriend *const /*esdFriend*/) | |
536 | { | |
537 | // | |
538 | // Select real events with high-pT tracks | |
539 | // | |
540 | if(!esdEvent) { | |
541 | AliDebug(AliLog::kError, "esdEvent not available"); | |
542 | return; | |
543 | } | |
544 | ||
545 | // get selection cuts | |
546 | AliFilteredTreeEventCuts *evtCuts = GetEventCuts(); | |
547 | AliFilteredTreeAcceptanceCuts *accCuts = GetAcceptanceCuts(); | |
548 | AliESDtrackCuts *esdTrackCuts = GetTrackCuts(); | |
549 | ||
550 | if(!evtCuts || !accCuts || !esdTrackCuts) { | |
551 | Printf("ERROR cuts not available"); | |
552 | return; | |
553 | } | |
554 | ||
555 | // trigger selection | |
556 | Bool_t isEventTriggered = kTRUE; | |
557 | AliPhysicsSelection *physicsSelection = NULL; | |
558 | AliTriggerAnalysis* triggerAnalysis = NULL; | |
559 | ||
560 | // | |
561 | AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler(); | |
562 | if (!inputHandler) | |
563 | { | |
564 | Printf("ERROR: Could not receive input handler"); | |
565 | return; | |
566 | } | |
234cae2f | 567 | |
c683985a | 568 | // get file name |
569 | TTree *chain = (TChain*)GetInputData(0); | |
570 | if(!chain) { | |
571 | Printf("ERROR: Could not receive input chain"); | |
572 | return; | |
573 | } | |
574 | TObjString fileName(chain->GetCurrentFile()->GetName()); | |
575 | ||
576 | // trigger | |
577 | if(evtCuts->IsTriggerRequired()) | |
578 | { | |
579 | // always MB | |
580 | isEventTriggered = inputHandler->IsEventSelected() & AliVEvent::kMB; | |
581 | ||
582 | physicsSelection = static_cast<AliPhysicsSelection*> (inputHandler->GetEventSelection()); | |
583 | if(!physicsSelection) return; | |
584 | //SetPhysicsTriggerSelection(physicsSelection); | |
585 | ||
586 | if (isEventTriggered && (GetTrigger() == AliTriggerAnalysis::kV0AND)) { | |
587 | // set trigger (V0AND) | |
588 | triggerAnalysis = physicsSelection->GetTriggerAnalysis(); | |
589 | if(!triggerAnalysis) return; | |
590 | isEventTriggered = triggerAnalysis->IsOfflineTriggerFired(esdEvent, GetTrigger()); | |
591 | } | |
592 | } | |
593 | ||
594 | // centrality determination | |
595 | Float_t centralityF = -1; | |
596 | AliCentrality *esdCentrality = esdEvent->GetCentrality(); | |
597 | centralityF = esdCentrality->GetCentralityPercentile(fCentralityEstimator.Data()); | |
598 | ||
599 | // use MC information | |
600 | AliHeader* header = 0; | |
601 | AliGenEventHeader* genHeader = 0; | |
602 | AliStack* stack = 0; | |
603 | TArrayF vtxMC(3); | |
604 | ||
605 | Int_t multMCTrueTracks = 0; | |
606 | if(mcEvent) | |
607 | { | |
608 | // get MC event header | |
609 | header = mcEvent->Header(); | |
610 | if (!header) { | |
611 | AliDebug(AliLog::kError, "Header not available"); | |
612 | return; | |
613 | } | |
614 | // MC particle stack | |
615 | stack = mcEvent->Stack(); | |
616 | if (!stack) { | |
617 | AliDebug(AliLog::kError, "Stack not available"); | |
618 | return; | |
619 | } | |
620 | ||
621 | // get MC vertex | |
622 | genHeader = header->GenEventHeader(); | |
623 | if (!genHeader) { | |
624 | AliDebug(AliLog::kError, "Could not retrieve genHeader from Header"); | |
625 | return; | |
626 | } | |
627 | genHeader->PrimaryVertex(vtxMC); | |
628 | ||
629 | // multipliticy of all MC primary tracks | |
630 | // in Zv, pt and eta ranges) | |
631 | multMCTrueTracks = GetMCTrueTrackMult(mcEvent,evtCuts,accCuts); | |
632 | } // end bUseMC | |
633 | ||
634 | // get reconstructed vertex | |
635 | //const AliESDVertex* vtxESD = 0; | |
636 | AliESDVertex* vtxESD = 0; | |
637 | if(GetAnalysisMode() == kTPCAnalysisMode) { | |
234cae2f | 638 | vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC(); |
c683985a | 639 | } |
640 | else if(GetAnalysisMode() == kTPCITSAnalysisMode) { | |
234cae2f | 641 | vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTracks(); |
c683985a | 642 | } |
643 | else { | |
234cae2f | 644 | return; |
c683985a | 645 | } |
646 | ||
647 | AliESDVertex* vtxTPC = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC(); | |
648 | AliESDVertex* vtxSPD = (AliESDVertex*)esdEvent->GetPrimaryVertexSPD(); | |
649 | ||
650 | if(!vtxESD) return; | |
651 | if(!vtxTPC) return; | |
652 | if(!vtxSPD) return; | |
653 | ||
654 | Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD); | |
655 | //printf("isEventOK %d, isEventTriggered %d, status %d, vz %f \n",isEventOK, isEventTriggered, vtxESD->GetStatus(), vtxESD->GetZv()); | |
656 | //printf("GetAnalysisMode() %d \n",GetAnalysisMode()); | |
657 | Int_t ntracks = esdEvent->GetNumberOfTracks(); | |
658 | ||
659 | // check event cuts | |
660 | if(isEventOK && isEventTriggered) | |
661 | { | |
662 | ||
663 | // | |
664 | // get IR information | |
665 | // | |
666 | AliESDHeader *esdHeader = 0; | |
667 | esdHeader = esdEvent->GetHeader(); | |
668 | if(!esdHeader) return; | |
669 | //Int_t ir1 = esdHeader->GetTriggerIREntries(); //all ir-s | |
670 | //Int_t ir2 = esdHeader->GetTriggerIREntries(-1,1); // int2 set, 180 ms time interval | |
671 | ||
672 | // Use when Peter commit the changes in the header | |
673 | Int_t ir1 = 0; | |
674 | Int_t ir2 = 0; | |
675 | ||
676 | // | |
07aef7d1 | 677 | //Double_t vert[3] = {0}; |
678 | //vert[0] = vtxESD->GetXv(); | |
679 | //vert[1] = vtxESD->GetYv(); | |
680 | //vert[2] = vtxESD->GetZv(); | |
c683985a | 681 | Int_t mult = vtxESD->GetNContributors(); |
682 | Int_t multSPD = vtxSPD->GetNContributors(); | |
683 | Int_t multTPC = vtxTPC->GetNContributors(); | |
684 | ||
685 | Float_t bz = esdEvent->GetMagneticField(); | |
686 | Int_t runNumber = esdEvent->GetRunNumber(); | |
687 | Int_t evtTimeStamp = esdEvent->GetTimeStamp(); | |
688 | Int_t evtNumberInFile = esdEvent->GetEventNumberInFile(); | |
b55a470b | 689 | |
690 | // Global event id calculation using orbitID, bunchCrossingID and periodID | |
691 | ULong64_t orbitID = (ULong64_t)esdEvent->GetOrbitNumber(); | |
692 | ULong64_t bunchCrossID = (ULong64_t)esdEvent->GetBunchCrossNumber(); | |
693 | ULong64_t periodID = (ULong64_t)esdEvent->GetPeriodNumber(); | |
694 | ULong64_t gid = ((periodID << 36) | (orbitID << 12) | bunchCrossID); | |
695 | ||
c683985a | 696 | |
697 | // high pT tracks | |
698 | for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++) | |
699 | { | |
700 | AliESDtrack *track = esdEvent->GetTrack(iTrack); | |
701 | if(!track) continue; | |
702 | if(track->Charge()==0) continue; | |
703 | if(!esdTrackCuts->AcceptTrack(track)) continue; | |
704 | if(!accCuts->AcceptTrack(track)) continue; | |
234cae2f | 705 | |
c683985a | 706 | // downscale low-pT tracks |
707 | Double_t scalempt= TMath::Min(track->Pt(),10.); | |
708 | Double_t downscaleF = gRandom->Rndm(); | |
709 | downscaleF *= fLowPtTrackDownscaligF; | |
710 | if(TMath::Exp(2*scalempt)<downscaleF) continue; | |
711 | //printf("TMath::Exp(2*scalempt) %e, downscaleF %e \n",TMath::Exp(2*scalempt), downscaleF); | |
712 | ||
713 | AliExternalTrackParam * tpcInner = (AliExternalTrackParam *)(track->GetTPCInnerParam()); | |
714 | if (!tpcInner) continue; | |
715 | // transform to the track reference frame | |
716 | Bool_t isOK = kFALSE; | |
717 | isOK = tpcInner->Rotate(track->GetAlpha()); | |
718 | isOK = tpcInner->PropagateTo(track->GetX(),esdEvent->GetMagneticField()); | |
719 | if(!isOK) continue; | |
720 | ||
721 | // Dump to the tree | |
722 | // vertex | |
723 | // TPC-ITS tracks | |
724 | // | |
725 | TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data(); | |
726 | ||
727 | //fHighPtTree->Branch("fileName",&fileName,32000,0); | |
728 | //fHighPtTree->Branch("runNumber",&runNumber,"runNumber/I"); | |
729 | //fHighPtTree->Branch("evtTimeStamp",&evtTimeStamp,"evtTimeStamp/I"); | |
730 | //fHighPtTree->Branch("evtNumberInFile",&evtNumberInFile,"evtNumberInFile/I"); | |
731 | //fHighPtTree->Branch("triggerClass",&triggerClass,32000,0); | |
732 | //fHighPtTree->Branch("Bz",&bz,"Bz/F"); | |
733 | //fHighPtTree->Branch("vtxESD",vtxESD,32000,0); | |
734 | //fHighPtTree->Branch("IRtot",&ir1,"IRtot/I"); | |
735 | //fHighPtTree->Branch("IRint2",&ir2,"IRint2/I"); | |
736 | //fHighPtTree->Branch("mult",&mult,"mult/I"); | |
737 | //fHighPtTree->Branch("esdTrack",track,32000,0); | |
738 | //fHighPtTree->Branch("centralityF",¢ralityF,"centralityF/F"); | |
739 | ||
740 | //fHighPtTree->Fill(); | |
741 | ||
742 | //Double_t vtxX=vtxESD->GetX(); | |
743 | //Double_t vtxY=vtxESD->GetY(); | |
744 | //Double_t vtxZ=vtxESD->GetZ(); | |
745 | if(!fFillTree) return; | |
746 | if(!fTreeSRedirector) return; | |
747 | (*fTreeSRedirector)<<"highPt"<< | |
b55a470b | 748 | "gid="<<gid<< |
c683985a | 749 | "fileName.="<<&fileName<< |
750 | "runNumber="<<runNumber<< | |
751 | "evtTimeStamp="<<evtTimeStamp<< | |
752 | "evtNumberInFile="<<evtNumberInFile<< | |
234cae2f | 753 | "triggerClass="<<&triggerClass<< // trigger |
c683985a | 754 | "Bz="<<bz<< // magnetic field |
755 | "vtxESD.="<<vtxESD<< | |
234cae2f | 756 | "ntracksESD="<<ntracks<< // number of tracks in the ESD |
757 | // "vtxESDx="<<vtxX<< | |
758 | // "vtxESDy="<<vtxY<< | |
759 | // "vtxESDz="<<vtxZ<< | |
760 | "IRtot="<<ir1<< // interaction record history info | |
761 | "IRint2="<<ir2<< | |
c683985a | 762 | "mult="<<mult<< // multiplicity of tracks pointing to the primary vertex |
763 | "multSPD="<<multSPD<< // multiplicity of tracks pointing to the SPD primary vertex | |
764 | "multTPC="<<multTPC<< // multiplicity of tracks pointing to the TPC primary vertex | |
765 | "esdTrack.="<<track<< | |
766 | "centralityF="<<centralityF<< | |
767 | "\n"; | |
768 | } | |
769 | } | |
234cae2f | 770 | |
c683985a | 771 | } |
772 | ||
773 | ||
774 | //_____________________________________________________________________________ | |
234cae2f | 775 | void AliAnalysisTaskFilteredTree::ProcessLaser(AliESDEvent *const esdEvent, AliMCEvent * const /*mcEvent*/, AliESDfriend *const esdFriend) |
c683985a | 776 | { |
777 | // | |
778 | // Process laser events | |
779 | // | |
780 | if(!esdEvent) { | |
781 | AliDebug(AliLog::kError, "esdEvent not available"); | |
782 | return; | |
783 | } | |
784 | ||
785 | // get file name | |
786 | TTree *chain = (TChain*)GetInputData(0); | |
787 | if(!chain) { | |
788 | Printf("ERROR: Could not receive input chain"); | |
789 | return; | |
790 | } | |
791 | TObjString fileName(chain->GetCurrentFile()->GetName()); | |
792 | ||
234cae2f | 793 | if(!fFillTree) return; |
794 | if(!fTreeSRedirector) return; | |
795 | ||
c683985a | 796 | // laser events |
797 | const AliESDHeader* esdHeader = esdEvent->GetHeader(); | |
798 | if(esdHeader && esdHeader->GetEventSpecie()==AliRecoParam::kCalib) | |
799 | { | |
800 | Int_t countLaserTracks = 0; | |
234cae2f | 801 | Int_t runNumber = esdEvent->GetRunNumber(); |
802 | Int_t evtTimeStamp = esdEvent->GetTimeStamp(); | |
803 | Int_t evtNumberInFile = esdEvent->GetEventNumberInFile(); | |
804 | Float_t bz = esdEvent->GetMagneticField(); | |
805 | TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data(); | |
b55a470b | 806 | |
807 | // Global event id calculation using orbitID, bunchCrossingID and periodID | |
808 | ULong64_t orbitID = (ULong64_t)esdEvent->GetOrbitNumber(); | |
809 | ULong64_t bunchCrossID = (ULong64_t)esdEvent->GetBunchCrossNumber(); | |
810 | ULong64_t periodID = (ULong64_t)esdEvent->GetPeriodNumber(); | |
811 | ULong64_t gid = ((periodID << 36) | (orbitID << 12) | bunchCrossID); | |
234cae2f | 812 | |
c683985a | 813 | for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++) |
814 | { | |
815 | AliESDtrack *track = esdEvent->GetTrack(iTrack); | |
816 | if(!track) continue; | |
817 | ||
818 | if(track->GetTPCInnerParam()) countLaserTracks++; | |
234cae2f | 819 | |
234cae2f | 820 | AliESDfriendTrack* friendTrack=NULL; |
821 | if (esdFriend) {if (!esdFriend->TestSkipBit()) friendTrack = esdFriend->GetTrack(iTrack);} //this guy can be NULL | |
2e16763c | 822 | //Bool_t newFriendTrack=kFALSE; |
823 | //if (!friendTrack) {friendTrack=new AliESDfriendTrack(); newFriendTrack=kTRUE;} | |
824 | if (!friendTrack) {friendTrack=fDummyFriendTrack;} | |
234cae2f | 825 | |
c683985a | 826 | (*fTreeSRedirector)<<"Laser"<< |
b55a470b | 827 | "gid="<<gid<< |
c683985a | 828 | "fileName.="<<&fileName<< |
829 | "runNumber="<<runNumber<< | |
830 | "evtTimeStamp="<<evtTimeStamp<< | |
831 | "evtNumberInFile="<<evtNumberInFile<< | |
234cae2f | 832 | "triggerClass="<<&triggerClass<< // trigger |
c683985a | 833 | "Bz="<<bz<< |
834 | "multTPCtracks="<<countLaserTracks<< | |
234cae2f | 835 | "friendTrack.="<<friendTrack<< |
c683985a | 836 | "\n"; |
2e16763c | 837 | //if (newFriendTrack) {delete friendTrack; friendTrack=NULL;} |
c683985a | 838 | } |
839 | } | |
840 | } | |
841 | ||
842 | //_____________________________________________________________________________ | |
843 | void AliAnalysisTaskFilteredTree::ProcessAll(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent, AliESDfriend *const esdFriend) | |
844 | { | |
845 | // | |
846 | // Select real events with high-pT tracks | |
847 | // Calculate and stor in the output tree: | |
848 | // TPC constrained tracks | |
849 | // InnerParams constrained tracks | |
850 | // TPC-ITS tracks | |
851 | // ITSout-InnerParams tracks | |
852 | // chi2 distance between TPC constrained and TPC-ITS tracks | |
853 | // chi2 distance between TPC refitted constrained and TPC-ITS tracks | |
854 | // chi2 distance between ITSout and InnerParams tracks | |
855 | // MC information: | |
856 | // track references at ITSin, TPCin; InnerParam at first TPC track reference, | |
857 | // particle ID, mother ID, production mechanism ... | |
858 | // | |
859 | ||
860 | if(!esdEvent) { | |
861 | AliDebug(AliLog::kError, "esdEvent not available"); | |
862 | return; | |
863 | } | |
864 | ||
865 | // get selection cuts | |
866 | AliFilteredTreeEventCuts *evtCuts = GetEventCuts(); | |
867 | AliFilteredTreeAcceptanceCuts *accCuts = GetAcceptanceCuts(); | |
868 | AliESDtrackCuts *esdTrackCuts = GetTrackCuts(); | |
869 | ||
870 | if(!evtCuts || !accCuts || !esdTrackCuts) { | |
871 | AliDebug(AliLog::kError, "cuts not available"); | |
872 | return; | |
873 | } | |
874 | ||
875 | // trigger selection | |
876 | Bool_t isEventTriggered = kTRUE; | |
877 | AliPhysicsSelection *physicsSelection = NULL; | |
878 | AliTriggerAnalysis* triggerAnalysis = NULL; | |
879 | ||
880 | // | |
881 | AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler(); | |
882 | if (!inputHandler) | |
883 | { | |
884 | Printf("ERROR: Could not receive input handler"); | |
885 | return; | |
886 | } | |
234cae2f | 887 | |
c683985a | 888 | // get file name |
889 | TTree *chain = (TChain*)GetInputData(0); | |
890 | if(!chain) { | |
891 | Printf("ERROR: Could not receive input chain"); | |
892 | return; | |
893 | } | |
894 | TObjString fileName(chain->GetCurrentFile()->GetName()); | |
895 | ||
896 | // trigger | |
897 | if(evtCuts->IsTriggerRequired()) | |
898 | { | |
899 | // always MB | |
900 | isEventTriggered = inputHandler->IsEventSelected() & AliVEvent::kMB; | |
901 | ||
902 | physicsSelection = static_cast<AliPhysicsSelection*> (inputHandler->GetEventSelection()); | |
903 | if(!physicsSelection) {AliInfo("no physics selection"); return;} | |
904 | //SetPhysicsTriggerSelection(physicsSelection); | |
905 | ||
906 | if (isEventTriggered && (GetTrigger() == AliTriggerAnalysis::kV0AND)) { | |
907 | // set trigger (V0AND) | |
908 | triggerAnalysis = physicsSelection->GetTriggerAnalysis(); | |
909 | if(!triggerAnalysis) {AliInfo("no trigger analysis");return;} | |
910 | isEventTriggered = triggerAnalysis->IsOfflineTriggerFired(esdEvent, GetTrigger()); | |
911 | } | |
912 | } | |
913 | ||
914 | // centrality determination | |
915 | Float_t centralityF = -1; | |
916 | AliCentrality *esdCentrality = esdEvent->GetCentrality(); | |
917 | centralityF = esdCentrality->GetCentralityPercentile(fCentralityEstimator.Data()); | |
918 | ||
919 | // use MC information | |
920 | AliHeader* header = 0; | |
921 | AliGenEventHeader* genHeader = 0; | |
922 | AliStack* stack = 0; | |
923 | TArrayF vtxMC(3); | |
924 | Int_t mcStackSize=0; | |
925 | ||
926 | Int_t multMCTrueTracks = 0; | |
927 | if(mcEvent) | |
928 | { | |
929 | // get MC event header | |
930 | header = mcEvent->Header(); | |
931 | if (!header) { | |
932 | AliDebug(AliLog::kError, "Header not available"); | |
933 | return; | |
934 | } | |
935 | // MC particle stack | |
936 | stack = mcEvent->Stack(); | |
937 | if (!stack) { | |
938 | AliDebug(AliLog::kError, "Stack not available"); | |
939 | return; | |
940 | } | |
941 | mcStackSize=stack->GetNtrack(); | |
942 | ||
943 | // get MC vertex | |
944 | genHeader = header->GenEventHeader(); | |
945 | if (!genHeader) { | |
946 | AliDebug(AliLog::kError, "Could not retrieve genHeader from Header"); | |
947 | return; | |
948 | } | |
949 | genHeader->PrimaryVertex(vtxMC); | |
950 | ||
951 | // multipliticy of all MC primary tracks | |
952 | // in Zv, pt and eta ranges) | |
953 | multMCTrueTracks = GetMCTrueTrackMult(mcEvent,evtCuts,accCuts); | |
954 | ||
955 | } // end bUseMC | |
956 | ||
957 | // get reconstructed vertex | |
958 | //const AliESDVertex* vtxESD = 0; | |
959 | AliESDVertex* vtxESD = 0; | |
960 | if(GetAnalysisMode() == kTPCAnalysisMode) { | |
234cae2f | 961 | vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC(); |
c683985a | 962 | } |
963 | else if(GetAnalysisMode() == kTPCITSAnalysisMode) { | |
234cae2f | 964 | vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTracks(); |
c683985a | 965 | } |
966 | else { | |
967 | AliInfo("no ESD vertex"); | |
234cae2f | 968 | return; |
c683985a | 969 | } |
970 | ||
971 | if(!vtxESD) return; | |
972 | ||
973 | Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD); | |
234cae2f | 974 | |
c683985a | 975 | // |
976 | // Vertex info comparison and track multiplicity | |
977 | // | |
978 | AliESDVertex *vertexSPD = (AliESDVertex *)esdEvent->GetPrimaryVertexSPD(); | |
979 | AliESDVertex *vertexTPC = (AliESDVertex *)esdEvent->GetPrimaryVertexTPC(); | |
980 | Int_t contSPD = vertexSPD->GetNContributors(); | |
981 | Int_t contTPC = vertexTPC->GetNContributors(); | |
982 | TVectorD vertexPosTPC(3), vertexPosSPD(3); | |
983 | vertexSPD->GetXYZ(vertexPosSPD.GetMatrixArray()); | |
984 | vertexTPC->GetXYZ(vertexPosTPC.GetMatrixArray()); | |
985 | Int_t ntracksTPC=0; | |
986 | Int_t ntracksITS=0; | |
987 | for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++){ | |
988 | AliESDtrack *track = esdEvent->GetTrack(iTrack); | |
989 | if(!track) continue; | |
990 | if (track->IsOn(AliVTrack::kTPCrefit)) ntracksTPC++; | |
991 | if (track->IsOn(AliVTrack::kITSrefit)) ntracksITS++; | |
992 | } | |
234cae2f | 993 | |
c683985a | 994 | //printf("isEventOK %d, isEventTriggered %d \n",isEventOK, isEventTriggered); |
995 | //printf("GetAnalysisMode() %d \n",GetAnalysisMode()); | |
996 | ||
997 | ||
998 | // check event cuts | |
999 | if(isEventOK && isEventTriggered) | |
1000 | { | |
1001 | // | |
1002 | // get IR information | |
1003 | // | |
1004 | AliESDHeader *esdHeader = 0; | |
1005 | esdHeader = esdEvent->GetHeader(); | |
1006 | if(!esdHeader) {AliInfo("no esdHeader");return;} | |
1007 | //Int_t ir1 = esdHeader->GetTriggerIREntries(); //all ir-s | |
1008 | //Int_t ir2 = esdHeader->GetTriggerIREntries(-1,1); // int2 set, 180 ms time interval | |
1009 | // | |
1010 | Int_t ir1 = 0; | |
1011 | Int_t ir2 = 0; | |
1012 | ||
1013 | // | |
1014 | Double_t vert[3] = {0}; | |
1015 | vert[0] = vtxESD->GetXv(); | |
1016 | vert[1] = vtxESD->GetYv(); | |
1017 | vert[2] = vtxESD->GetZv(); | |
1018 | Int_t mult = vtxESD->GetNContributors(); | |
1019 | Float_t bz = esdEvent->GetMagneticField(); | |
1020 | Int_t runNumber = esdEvent->GetRunNumber(); | |
1021 | Int_t evtTimeStamp = esdEvent->GetTimeStamp(); | |
1022 | Int_t evtNumberInFile = esdEvent->GetEventNumberInFile(); | |
1023 | ||
2e16763c | 1024 | Int_t numberOfTracks=esdEvent->GetNumberOfTracks(); |
c683985a | 1025 | // high pT tracks |
2e16763c | 1026 | for (Int_t iTrack = 0; iTrack < numberOfTracks; iTrack++) |
c683985a | 1027 | { |
1028 | AliESDtrack *track = esdEvent->GetTrack(iTrack); | |
234cae2f | 1029 | AliESDfriendTrack* friendTrack=NULL; |
2e16763c | 1030 | Int_t numberOfFriendTracks=0; |
1031 | if (esdFriend) numberOfFriendTracks=esdFriend->GetNumberOfTracks(); | |
1032 | if (esdFriend && iTrack<numberOfFriendTracks) {if (!esdFriend->TestSkipBit()) friendTrack = esdFriend->GetTrack(iTrack);} //this guy can be NULL | |
c683985a | 1033 | if(!track) continue; |
1034 | if(track->Charge()==0) continue; | |
1035 | if(!esdTrackCuts->AcceptTrack(track)) continue; | |
1036 | if(!accCuts->AcceptTrack(track)) continue; | |
234cae2f | 1037 | |
c683985a | 1038 | // downscale low-pT tracks |
1039 | Double_t scalempt= TMath::Min(track->Pt(),10.); | |
1040 | Double_t downscaleF = gRandom->Rndm(); | |
1041 | downscaleF *= fLowPtTrackDownscaligF; | |
1042 | if(TMath::Exp(2*scalempt)<downscaleF) continue; | |
1043 | //printf("TMath::Exp(2*scalempt) %e, downscaleF %e \n",TMath::Exp(2*scalempt), downscaleF); | |
1044 | ||
1045 | // Dump to the tree | |
1046 | // vertex | |
1047 | // TPC constrained tracks | |
1048 | // InnerParams constrained tracks | |
1049 | // TPC-ITS tracks | |
1050 | // ITSout-InnerParams tracks | |
1051 | // chi2 distance between TPC constrained and TPC-ITS tracks | |
1052 | // chi2 distance between TPC refitted constrained and TPC-ITS tracks | |
1053 | // chi2 distance between ITSout and InnerParams tracks | |
1054 | // MC information | |
234cae2f | 1055 | |
c683985a | 1056 | Double_t x[3]; track->GetXYZ(x); |
1057 | Double_t b[3]; AliTracker::GetBxByBz(x,b); | |
1058 | ||
1059 | // | |
1060 | // Transform TPC inner params to track reference frame | |
1061 | // | |
1062 | Bool_t isOKtpcInner = kFALSE; | |
1063 | AliExternalTrackParam * tpcInner = (AliExternalTrackParam *)(track->GetTPCInnerParam()); | |
1064 | if (tpcInner) { | |
1065 | // transform to the track reference frame | |
1066 | isOKtpcInner = tpcInner->Rotate(track->GetAlpha()); | |
1067 | isOKtpcInner = tpcInner->PropagateTo(track->GetX(),esdEvent->GetMagneticField()); | |
1068 | } | |
1069 | ||
1070 | // | |
1071 | // Constrain TPC inner to vertex | |
1072 | // clone TPCinner has to be deleted | |
1073 | // | |
1074 | Bool_t isOKtpcInnerC = kFALSE; | |
1075 | AliExternalTrackParam * tpcInnerC = new AliExternalTrackParam(*(track->GetTPCInnerParam())); | |
1076 | if (tpcInnerC) { | |
1077 | isOKtpcInnerC = ConstrainTPCInner(tpcInnerC,vtxESD,b); | |
1078 | isOKtpcInnerC = tpcInnerC->Rotate(track->GetAlpha()); | |
1079 | isOKtpcInnerC = tpcInnerC->PropagateTo(track->GetX(),esdEvent->GetMagneticField()); | |
1080 | } | |
1081 | ||
1082 | // | |
1083 | // Constrain TPC refitted tracks at inner TPC wall (InnerParams) to vertex | |
1084 | // Clone track InnerParams has to be deleted | |
1085 | // | |
1086 | Bool_t isOKtrackInnerC = kFALSE; | |
1087 | AliExternalTrackParam * trackInnerC = new AliExternalTrackParam(*(track->GetInnerParam())); | |
1088 | if (trackInnerC) { | |
1089 | isOKtrackInnerC = ConstrainTrackInner(trackInnerC,vtxESD,track->GetMass(),b); | |
1090 | isOKtrackInnerC = trackInnerC->Rotate(track->GetAlpha()); | |
1091 | isOKtrackInnerC = trackInnerC->PropagateTo(track->GetX(),esdEvent->GetMagneticField()); | |
1092 | } | |
234cae2f | 1093 | |
c683985a | 1094 | // |
1095 | // calculate chi2 between vi and vj vectors | |
1096 | // with covi and covj covariance matrices | |
1097 | // chi2ij = (vi-vj)^(T)*(covi+covj)^(-1)*(vi-vj) | |
1098 | // | |
1099 | TMatrixD deltaT(5,1), deltaTtrackC(5,1); | |
1100 | TMatrixD delta(1,5), deltatrackC(1,5); | |
1101 | TMatrixD covarM(5,5), covarMtrackC(5,5); | |
1102 | TMatrixD chi2(1,1); | |
1103 | TMatrixD chi2trackC(1,1); | |
1104 | ||
1105 | if(isOKtpcInnerC && isOKtrackInnerC) | |
1106 | { | |
1107 | for (Int_t ipar=0; ipar<5; ipar++) { | |
1108 | deltaT(ipar,0)=tpcInnerC->GetParameter()[ipar]-track->GetParameter()[ipar]; | |
234cae2f | 1109 | delta(0,ipar)=tpcInnerC->GetParameter()[ipar]-track->GetParameter()[ipar]; |
c683985a | 1110 | |
1111 | deltaTtrackC(ipar,0)=trackInnerC->GetParameter()[ipar]-track->GetParameter()[ipar]; | |
234cae2f | 1112 | deltatrackC(0,ipar)=trackInnerC->GetParameter()[ipar]-track->GetParameter()[ipar]; |
c683985a | 1113 | |
1114 | for (Int_t jpar=0; jpar<5; jpar++) { | |
234cae2f | 1115 | Int_t index=track->GetIndex(ipar,jpar); |
1116 | covarM(ipar,jpar)=track->GetCovariance()[index]+tpcInnerC->GetCovariance()[index]; | |
1117 | covarMtrackC(ipar,jpar)=track->GetCovariance()[index]+trackInnerC->GetCovariance()[index]; | |
c683985a | 1118 | } |
1119 | } | |
1120 | ||
1121 | // chi2 distance TPC constrained and TPC+ITS | |
1122 | TMatrixD covarMInv = covarM.Invert(); | |
1123 | TMatrixD mat2 = covarMInv*deltaT; | |
1124 | chi2 = delta*mat2; | |
1125 | //chi2.Print(); | |
1126 | ||
1127 | // chi2 distance TPC refitted constrained and TPC+ITS | |
1128 | TMatrixD covarMInvtrackC = covarMtrackC.Invert(); | |
1129 | TMatrixD mat2trackC = covarMInvtrackC*deltaTtrackC; | |
1130 | chi2trackC = deltatrackC*mat2trackC; | |
1131 | //chi2trackC.Print(); | |
1132 | } | |
1133 | ||
1134 | ||
1135 | // | |
1136 | // Propagate ITSout to TPC inner wall | |
1137 | // and calculate chi2 distance to track (InnerParams) | |
1138 | // | |
1139 | const Double_t kTPCRadius=85; | |
1140 | const Double_t kStep=3; | |
1141 | ||
1142 | // clone track InnerParams has to be deleted | |
1143 | Bool_t isOKtrackInnerC2 = kFALSE; | |
1144 | AliExternalTrackParam *trackInnerC2 = new AliExternalTrackParam(*(track->GetInnerParam())); | |
1145 | if (trackInnerC2) { | |
1146 | isOKtrackInnerC2 = AliTracker::PropagateTrackToBxByBz(trackInnerC2,kTPCRadius,track->GetMass(),kStep,kFALSE); | |
1147 | } | |
1148 | ||
1149 | Bool_t isOKouterITSc = kFALSE; | |
1150 | AliExternalTrackParam *outerITSc = NULL; | |
1151 | TMatrixD chi2OuterITS(1,1); | |
1152 | ||
234cae2f | 1153 | if(esdFriend && !esdFriend->TestSkipBit()) |
c683985a | 1154 | { |
1155 | // propagate ITSout to TPC inner wall | |
c683985a | 1156 | if(friendTrack) |
234cae2f | 1157 | { |
1158 | ||
1159 | outerITSc = NULL; | |
1160 | if (friendTrack->GetITSOut()) outerITSc = new AliExternalTrackParam(*(friendTrack->GetITSOut())); | |
c683985a | 1161 | if(outerITSc) |
234cae2f | 1162 | { |
c683985a | 1163 | isOKouterITSc = AliTracker::PropagateTrackToBxByBz(outerITSc,kTPCRadius,track->GetMass(),kStep,kFALSE); |
1164 | isOKouterITSc = outerITSc->Rotate(trackInnerC2->GetAlpha()); | |
1165 | isOKouterITSc = outerITSc->PropagateTo(trackInnerC2->GetX(),esdEvent->GetMagneticField()); | |
1166 | ||
234cae2f | 1167 | // |
c683985a | 1168 | // calculate chi2 between outerITS and innerParams |
234cae2f | 1169 | // cov without z-coordinate at the moment |
1170 | // | |
c683985a | 1171 | TMatrixD deltaTouterITS(4,1); |
1172 | TMatrixD deltaouterITS(1,4); | |
1173 | TMatrixD covarMouterITS(4,4); | |
1174 | ||
1175 | if(isOKtrackInnerC2 && isOKouterITSc) { | |
234cae2f | 1176 | Int_t kipar = 0; |
1177 | Int_t kjpar = 0; | |
c683985a | 1178 | for (Int_t ipar=0; ipar<5; ipar++) { |
234cae2f | 1179 | if(ipar!=1) { |
c683985a | 1180 | deltaTouterITS(kipar,0)=outerITSc->GetParameter()[ipar]-trackInnerC2->GetParameter()[ipar]; |
234cae2f | 1181 | deltaouterITS(0,kipar)=outerITSc->GetParameter()[ipar]-trackInnerC2->GetParameter()[ipar]; |
1182 | } | |
c683985a | 1183 | |
1184 | kjpar=0; | |
1185 | for (Int_t jpar=0; jpar<5; jpar++) { | |
234cae2f | 1186 | Int_t index=outerITSc->GetIndex(ipar,jpar); |
1187 | if(ipar !=1 || jpar!=1) { | |
1188 | covarMouterITS(kipar,kjpar)=outerITSc->GetCovariance()[index]+trackInnerC2->GetCovariance()[index]; | |
1189 | } | |
c683985a | 1190 | if(jpar!=1) kjpar++; |
234cae2f | 1191 | } |
1192 | if(ipar!=1) kipar++; | |
1193 | } | |
c683985a | 1194 | |
1195 | // chi2 distance ITSout and InnerParams | |
1196 | TMatrixD covarMInvouterITS = covarMouterITS.Invert(); | |
1197 | TMatrixD mat2outerITS = covarMInvouterITS*deltaTouterITS; | |
1198 | chi2OuterITS = deltaouterITS*mat2outerITS; | |
1199 | //chi2OuterITS.Print(); | |
234cae2f | 1200 | } |
c683985a | 1201 | } |
1202 | } | |
1203 | } | |
1204 | ||
1205 | // | |
1206 | // MC info | |
1207 | // | |
1208 | TParticle *particle=NULL, *particleTPC=NULL, *particleITS=NULL; | |
1209 | TParticle *particleMother=NULL, *particleMotherTPC=NULL, *particleMotherITS=NULL; | |
1210 | Int_t mech=-1, mechTPC=-1, mechITS=-1; | |
1211 | Bool_t isPrim=kFALSE, isPrimTPC=kFALSE, isPrimITS=kFALSE; | |
1212 | Bool_t isFromStrangess=kFALSE, isFromStrangessTPC=kFALSE, isFromStrangessITS=kFALSE; | |
1213 | Bool_t isFromConversion=kFALSE, isFromConversionTPC=kFALSE, isFromConversionITS=kFALSE; | |
1214 | Bool_t isFromMaterial=kFALSE, isFromMaterialTPC=kFALSE, isFromMaterialITS=kFALSE; | |
1215 | ||
1216 | AliTrackReference *refTPCIn = NULL; | |
1217 | AliTrackReference *refTPCOut = NULL; | |
1218 | AliTrackReference *refITS = NULL; | |
1219 | AliTrackReference *refTRD = NULL; | |
1220 | AliTrackReference *refTOF = NULL; | |
1221 | AliTrackReference *refEMCAL = NULL; | |
1222 | AliTrackReference *refPHOS = NULL; | |
1223 | Int_t nrefTPC=0, nrefTRD=0, nrefTOF=0, nrefITS=0, nrefEMCAL=0, nrefPHOS=0; | |
1224 | ||
1225 | Bool_t isOKtrackInnerC3 = kFALSE; | |
1226 | AliExternalTrackParam *trackInnerC3 = new AliExternalTrackParam(*(track->GetInnerParam())); | |
2e16763c | 1227 | if(mcEvent && stack) |
c683985a | 1228 | { |
2e16763c | 1229 | do //artificial loop (once) to make the continue statements jump out of the MC part |
234cae2f | 1230 | { |
2e16763c | 1231 | multMCTrueTracks = GetMCTrueTrackMult(mcEvent,evtCuts,accCuts); |
1232 | // | |
1233 | // global track | |
1234 | // | |
1235 | Int_t label = TMath::Abs(track->GetLabel()); | |
1236 | if (label >= mcStackSize) continue; | |
1237 | particle = stack->Particle(label); | |
1238 | if (!particle) continue; | |
1239 | if(particle && particle->GetPDG() && particle->GetPDG()->Charge()!=0.) | |
1240 | { | |
1241 | particleMother = GetMother(particle,stack); | |
1242 | mech = particle->GetUniqueID(); | |
1243 | isPrim = stack->IsPhysicalPrimary(label); | |
1244 | isFromStrangess = IsFromStrangeness(label,stack); | |
1245 | isFromConversion = IsFromConversion(label,stack); | |
1246 | isFromMaterial = IsFromMaterial(label,stack); | |
1247 | } | |
c683985a | 1248 | |
2e16763c | 1249 | // |
1250 | // TPC track | |
1251 | // | |
1252 | Int_t labelTPC = TMath::Abs(track->GetTPCLabel()); | |
1253 | if (labelTPC >= mcStackSize) continue; | |
1254 | particleTPC = stack->Particle(labelTPC); | |
1255 | if (!particleTPC) continue; | |
1256 | if(particleTPC && particleTPC->GetPDG() && particleTPC->GetPDG()->Charge()!=0.) | |
1257 | { | |
1258 | particleMotherTPC = GetMother(particleTPC,stack); | |
1259 | mechTPC = particleTPC->GetUniqueID(); | |
1260 | isPrimTPC = stack->IsPhysicalPrimary(labelTPC); | |
1261 | isFromStrangessTPC = IsFromStrangeness(labelTPC,stack); | |
1262 | isFromConversionTPC = IsFromConversion(labelTPC,stack); | |
1263 | isFromMaterialTPC = IsFromMaterial(labelTPC,stack); | |
1264 | } | |
c683985a | 1265 | |
2e16763c | 1266 | // |
1267 | // store first track reference | |
1268 | // for TPC track | |
1269 | // | |
1270 | TParticle *part=0; | |
1271 | TClonesArray *trefs=0; | |
1272 | Int_t status = mcEvent->GetParticleAndTR(TMath::Abs(labelTPC), part, trefs); | |
c683985a | 1273 | |
2e16763c | 1274 | if(status>0 && part && trefs && part->GetPDG() && part->GetPDG()->Charge()!=0.) |
c683985a | 1275 | { |
2e16763c | 1276 | Int_t nTrackRef = trefs->GetEntries(); |
1277 | //printf("nTrackRef %d \n",nTrackRef); | |
c683985a | 1278 | |
2e16763c | 1279 | Int_t countITS = 0; |
1280 | for (Int_t iref = 0; iref < nTrackRef; iref++) | |
c683985a | 1281 | { |
2e16763c | 1282 | AliTrackReference *ref = (AliTrackReference *)trefs->At(iref); |
1283 | ||
1284 | // Ref. in the middle ITS | |
1285 | if(ref && ref->Label()==label && ref->DetectorId()==AliTrackReference::kITS) | |
1286 | { | |
1287 | nrefITS++; | |
1288 | if(!refITS && countITS==2) { | |
1289 | refITS = ref; | |
1290 | //printf("refITS %p \n",refITS); | |
1291 | } | |
1292 | countITS++; | |
234cae2f | 1293 | } |
c683985a | 1294 | |
2e16763c | 1295 | // TPC |
1296 | if(ref && ref->Label()==label && ref->DetectorId()==AliTrackReference::kTPC) | |
1297 | { | |
1298 | nrefTPC++; | |
1299 | refTPCOut=ref; | |
1300 | if(!refTPCIn) { | |
1301 | refTPCIn = ref; | |
1302 | //printf("refTPCIn %p \n",refTPCIn); | |
1303 | //break; | |
1304 | } | |
234cae2f | 1305 | } |
2e16763c | 1306 | // TRD |
1307 | if(ref && ref->Label()==label && ref->DetectorId()==AliTrackReference::kTRD) | |
1308 | { | |
1309 | nrefTRD++; | |
1310 | if(!refTRD) { | |
1311 | refTRD = ref; | |
1312 | } | |
234cae2f | 1313 | } |
2e16763c | 1314 | // TOF |
1315 | if(ref && ref->Label()==label && ref->DetectorId()==AliTrackReference::kTOF) | |
1316 | { | |
1317 | nrefTOF++; | |
1318 | if(!refTOF) { | |
1319 | refTOF = ref; | |
1320 | } | |
234cae2f | 1321 | } |
2e16763c | 1322 | // EMCAL |
1323 | if(ref && ref->Label()==label && ref->DetectorId()==AliTrackReference::kEMCAL) | |
1324 | { | |
1325 | nrefEMCAL++; | |
1326 | if(!refEMCAL) { | |
1327 | refEMCAL = ref; | |
1328 | } | |
1329 | } | |
1330 | // PHOS | |
1331 | // if(ref && ref->Label()==label && ref->DetectorId()==AliTrackReference::kPHOS) | |
1332 | // { | |
1333 | // nrefPHOS++; | |
1334 | // if(!refPHOS) { | |
1335 | // refPHOS = ref; | |
1336 | // } | |
1337 | // } | |
c683985a | 1338 | } |
2e16763c | 1339 | |
1340 | // transform inner params to TrackRef | |
1341 | // reference frame | |
1342 | if(refTPCIn && trackInnerC3) | |
c683985a | 1343 | { |
2e16763c | 1344 | Double_t kRefPhi = TMath::ATan2(refTPCIn->Y(),refTPCIn->X()); |
1345 | isOKtrackInnerC3 = trackInnerC3->Rotate(kRefPhi); | |
1346 | isOKtrackInnerC3 = AliTracker::PropagateTrackToBxByBz(trackInnerC3,refTPCIn->R(),track->GetMass(),kStep,kFALSE); | |
c683985a | 1347 | } |
234cae2f | 1348 | } |
c683985a | 1349 | |
2e16763c | 1350 | // |
1351 | // ITS track | |
1352 | // | |
1353 | Int_t labelITS = TMath::Abs(track->GetITSLabel()); | |
1354 | if (labelITS >= mcStackSize) continue; | |
1355 | particleITS = stack->Particle(labelITS); | |
1356 | if (!particleITS) continue; | |
1357 | if(particleITS && particleITS->GetPDG() && particleITS->GetPDG()->Charge()!=0.) | |
234cae2f | 1358 | { |
2e16763c | 1359 | particleMotherITS = GetMother(particleITS,stack); |
1360 | mechITS = particleITS->GetUniqueID(); | |
1361 | isPrimITS = stack->IsPhysicalPrimary(labelITS); | |
1362 | isFromStrangessITS = IsFromStrangeness(labelITS,stack); | |
1363 | isFromConversionITS = IsFromConversion(labelITS,stack); | |
1364 | isFromMaterialITS = IsFromMaterial(labelITS,stack); | |
234cae2f | 1365 | } |
c683985a | 1366 | } |
2e16763c | 1367 | while (0); |
c683985a | 1368 | } |
1369 | ||
234cae2f | 1370 | // |
2e16763c | 1371 | Bool_t dumpToTree=kFALSE; |
1372 | ||
1373 | if(isOKtpcInnerC && isOKtrackInnerC) dumpToTree = kTRUE; | |
1374 | //if(fUseESDfriends && isOKtrackInnerC2 && isOKouterITSc) dumpToTree = kTRUE; | |
1375 | if(isOKtrackInnerC2 && isOKouterITSc) dumpToTree = kTRUE; | |
1376 | if(mcEvent && isOKtrackInnerC3) dumpToTree = kTRUE; | |
1377 | TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data(); | |
1378 | if (fReducePileUp){ | |
1379 | // | |
1380 | // 18.03 - Reduce pile-up chunks, done outside of the ESDTrackCuts for 2012/2013 data pile-up about 95 % of tracks | |
1381 | // Done only in case no MC info | |
1382 | // | |
1383 | Float_t dcaTPC[2]; | |
1384 | track->GetImpactParametersTPC(dcaTPC[0],dcaTPC[1]); | |
1385 | Bool_t isRoughPrimary = TMath::Abs(dcaTPC[1])<10; | |
1386 | Bool_t hasOuter=(track->IsOn(AliVTrack::kITSin))||(track->IsOn(AliVTrack::kTOFout))||(track->IsOn(AliVTrack::kTRDin)); | |
1387 | Bool_t keepPileUp=gRandom->Rndm()<0.05; | |
1388 | if ( (!hasOuter) && (!isRoughPrimary) && (!keepPileUp)){ | |
1389 | dumpToTree=kFALSE; | |
1390 | } | |
234cae2f | 1391 | } |
c683985a | 1392 | |
2e16763c | 1393 | //init dummy objects |
b3982e10 | 1394 | static AliESDVertex dummyvtxESD; |
1395 | //if (!dummyvtxESD) | |
1396 | //{ | |
1397 | // dummyvtxESD=new AliESDVertex(); | |
1398 | // //dummyvtxESD->SetNContributors(1); | |
1399 | // //UShort_t pindices[1]; pindices[0]=0; | |
1400 | // //dummyvtxESD->SetIndices(1,pindices); | |
1401 | // //dummyvtxESD->SetNContributors(0); | |
1402 | //} | |
1403 | static AliExternalTrackParam dummyexternaltrackparam; | |
1404 | //if (!dummyexternaltrackparam) dummyexternaltrackparam=new AliExternalTrackParam(); | |
1405 | static AliTrackReference dummytrackreference; | |
1406 | //if (!dummytrackreference) dummytrackreference=new AliTrackReference(); | |
1407 | static TParticle dummyparticle; | |
1408 | //if (!dummyparticle) dummyparticle=new TParticle(); | |
2e16763c | 1409 | |
1410 | //assign the dummy objects if needed | |
b3982e10 | 1411 | if (!track) {track=fDummyTrack;} |
2e16763c | 1412 | if (!friendTrack) {friendTrack=fDummyFriendTrack;} |
b3982e10 | 1413 | if (!vtxESD) {vtxESD=&dummyvtxESD;} |
c683985a | 1414 | if (mcEvent) |
1415 | { | |
b3982e10 | 1416 | if (!refTPCIn) {refTPCIn=&dummytrackreference;} |
1417 | if (!refITS) {refITS=&dummytrackreference;} | |
1418 | if (!particle) {particle=&dummyparticle;} | |
1419 | if (!particleMother) {particleMother=&dummyparticle;} | |
1420 | if (!particleTPC) {particleTPC=&dummyparticle;} | |
1421 | if (!particleMotherTPC) {particleMotherTPC=&dummyparticle;} | |
1422 | if (!particleITS) {particleITS=&dummyparticle;} | |
1423 | if (!particleMotherITS) {particleMotherITS=&dummyparticle;} | |
c683985a | 1424 | } |
2e16763c | 1425 | //the following are guaranteed to exist: |
b3982e10 | 1426 | //if (!tpcInnerC) {tpcInnerC=&dummyexternaltrackparam;} |
1427 | //if (!trackInnerC) {trackInnerC=&dummyexternaltrackparam;} | |
1428 | //if (!trackInnerC2) {trackInnerC2=&dummyexternaltrackparam;} | |
1429 | //if (!outerITSc) {outerITSc=&dummyexternaltrackparam;} | |
1430 | //if (!trackInnerC3) {trackInnerC3=&dummyexternaltrackparam;} | |
2e16763c | 1431 | ///////////////////////// |
1432 | ||
1433 | //Double_t vtxX=vtxESD->GetX(); | |
1434 | //Double_t vtxY=vtxESD->GetY(); | |
1435 | //Double_t vtxZ=vtxESD->GetZ(); | |
1436 | ||
1437 | //AliESDVertex* pvtxESD = (AliESDVertex*)vtxESD->Clone(); | |
1438 | //AliESDtrack* ptrack=(AliESDtrack*)track->Clone(); | |
1439 | //AliExternalTrackParam* ptpcInnerC = (AliExternalTrackParam*)tpcInnerC->Clone(); | |
1440 | //AliExternalTrackParam* ptrackInnerC = (AliExternalTrackParam*)trackInnerC->Clone(); | |
1441 | //AliExternalTrackParam* ptrackInnerC2 = (AliExternalTrackParam*)trackInnerC2->Clone(); | |
1442 | //AliExternalTrackParam* pouterITSc = (AliExternalTrackParam*)outerITSc->Clone(); | |
1443 | //AliExternalTrackParam* ptrackInnerC3 = (AliExternalTrackParam*)trackInnerC3->Clone(); | |
1444 | //AliESDVertex* pvtxESD = new AliESDVertex(*vtxESD); | |
1445 | //AliESDtrack* ptrack= new AliESDtrack(*track); | |
1446 | //AliExternalTrackParam* ptpcInnerC = new AliExternalTrackParam(*tpcInnerC); | |
1447 | //AliExternalTrackParam* ptrackInnerC = new AliExternalTrackParam(*trackInnerC); | |
1448 | //AliExternalTrackParam* ptrackInnerC2 = new AliExternalTrackParam(*trackInnerC2); | |
1449 | //AliExternalTrackParam* pouterITSc = new AliExternalTrackParam(*outerITSc); | |
1450 | //AliExternalTrackParam* ptrackInnerC3 = new AliExternalTrackParam(*trackInnerC3); | |
1451 | ||
1452 | Int_t ntracks = esdEvent->GetNumberOfTracks(); | |
1453 | ||
1454 | // Global event id calculation using orbitID, bunchCrossingID and periodID | |
1455 | ULong64_t orbitID = (ULong64_t)esdEvent->GetOrbitNumber(); | |
1456 | ULong64_t bunchCrossID = (ULong64_t)esdEvent->GetBunchCrossNumber(); | |
1457 | ULong64_t periodID = (ULong64_t)esdEvent->GetPeriodNumber(); | |
1458 | ULong64_t gid = ((periodID << 36) | (orbitID << 12) | bunchCrossID); | |
1459 | ||
1460 | // fill histograms | |
1461 | FillHistograms(track, tpcInnerC, centralityF, (Double_t)chi2(0,0)); | |
1462 | ||
1463 | if(fTreeSRedirector && dumpToTree && fFillTree) | |
1464 | { | |
c683985a | 1465 | |
2e16763c | 1466 | //if (friendTrack) |
1467 | //{ | |
1468 | // const AliTrackPointArray* array = friendTrack->GetTrackPointArray(); | |
1469 | // if (!array) {printf("we have a friend, but the ponits are empty\n"); continue;} | |
1470 | // if (friendTrack==fDummyFriendTrack) printf("using the dummy friend track\n"); | |
1471 | // cout<<array->GetX()[0]<<" "<<array->GetX()[2]<<endl; | |
1472 | //} | |
1473 | //else | |
1474 | //{ | |
1475 | // printf("no friend track\n"); | |
1476 | //} | |
1477 | ||
1478 | ||
1479 | (*fTreeSRedirector)<<"highPt"<< | |
1480 | "gid="<<gid<< | |
1481 | "fileName.="<<&fileName<< // name of the chunk file (hopefully full) | |
1482 | "runNumber="<<runNumber<< // runNumber | |
1483 | "evtTimeStamp="<<evtTimeStamp<< // time stamp of event (in seconds) | |
1484 | "evtNumberInFile="<<evtNumberInFile<< // event number | |
1485 | "triggerClass="<<&triggerClass<< // trigger class as a string | |
1486 | "Bz="<<bz<< // solenoid magnetic field in the z direction (in kGaus) | |
1487 | "vtxESD.="<<vtxESD<< // vertexer ESD tracks (can be biased by TPC pileup tracks) | |
1488 | //"vtxESDx="<<vtxX<< | |
1489 | //"vtxESDy="<<vtxY<< | |
1490 | //"vtxESDz="<<vtxZ<< | |
1491 | "IRtot="<<ir1<< // interaction record (trigger) counters - coutner 1 | |
1492 | "IRint2="<<ir2<< // interaction record (trigger) coutners - counter 2 | |
1493 | "mult="<<mult<< // multiplicity of tracks pointing to the primary vertex | |
1494 | "ntracks="<<ntracks<< // number of the esd tracks (to take into account the pileup in the TPC) | |
1495 | // important variables for the pile-up studies | |
1496 | "contTPC="<< contTPC<< // number of contributors to the TPC primary vertex candidate | |
1497 | "contSPD="<< contSPD<< // number of contributors to the SPD primary vertex candidate | |
1498 | "vertexPosTPC.="<<&vertexPosTPC<< // TPC vertex position | |
1499 | "vertexPosSPD.="<<&vertexPosSPD<< // SPD vertex position | |
1500 | "ntracksTPC="<<ntracksTPC<< // total number of the TPC tracks which were refitted | |
1501 | "ntracksITS="<<ntracksITS<< // total number of the ITS tracks which were refitted | |
1502 | // | |
1503 | "esdTrack.="<<track<< // esdTrack as used in the physical analysis | |
1504 | "friendTrack.="<<friendTrack<< // esdFriendTrack associated to the esdTrack | |
1505 | "extTPCInnerC.="<<tpcInnerC<< // ??? | |
1506 | "extInnerParamC.="<<trackInnerC<< // ??? | |
1507 | "extInnerParam.="<<trackInnerC2<< // ??? | |
1508 | "extOuterITS.="<<outerITSc<< // ??? | |
1509 | "extInnerParamRef.="<<trackInnerC3<< // ??? | |
1510 | "chi2TPCInnerC="<<chi2(0,0)<< // chi2 of tracks ??? | |
1511 | "chi2InnerC="<<chi2trackC(0,0)<< // chi2s of tracks TPCinner to the combined | |
1512 | "chi2OuterITS="<<chi2OuterITS(0,0)<< // chi2s of tracks TPC at inner wall to the ITSout | |
1513 | "centralityF="<<centralityF; | |
1514 | if (mcEvent) | |
1515 | { | |
b3982e10 | 1516 | static AliTrackReference refDummy; |
2e16763c | 1517 | if (!refITS) refITS = &refDummy; |
1518 | if (!refTRD) refTRD = &refDummy; | |
1519 | if (!refTOF) refTOF = &refDummy; | |
1520 | if (!refEMCAL) refEMCAL = &refDummy; | |
1521 | if (!refPHOS) refPHOS = &refDummy; | |
1522 | (*fTreeSRedirector)<<"highPt"<< | |
1523 | "multMCTrueTracks="<<multMCTrueTracks<< // mC track multiplicities | |
1524 | "nrefITS="<<nrefITS<< // number of track references in the ITS | |
1525 | "nrefTPC="<<nrefTPC<< // number of track references in the TPC | |
1526 | "nrefTRD="<<nrefTRD<< // number of track references in the TRD | |
1527 | "nrefTOF="<<nrefTOF<< // number of track references in the TOF | |
1528 | "nrefEMCAL="<<nrefEMCAL<< // number of track references in the TOF | |
1529 | "nrefPHOS="<<nrefPHOS<< // number of track references in the TOF | |
1530 | "refTPCIn.="<<refTPCIn<< | |
1531 | "refTPCOut.="<<refTPCOut<< | |
1532 | "refITS.="<<refITS<< | |
1533 | "refTRD.="<<refTRD<< | |
1534 | "refTOF.="<<refTOF<< | |
1535 | "refEMCAL.="<<refEMCAL<< | |
1536 | "refPHOS.="<<refPHOS<< | |
1537 | "particle.="<<particle<< | |
1538 | "particleMother.="<<particleMother<< | |
1539 | "mech="<<mech<< | |
1540 | "isPrim="<<isPrim<< | |
1541 | "isFromStrangess="<<isFromStrangess<< | |
1542 | "isFromConversion="<<isFromConversion<< | |
1543 | "isFromMaterial="<<isFromMaterial<< | |
1544 | "particleTPC.="<<particleTPC<< | |
1545 | "particleMotherTPC.="<<particleMotherTPC<< | |
1546 | "mechTPC="<<mechTPC<< | |
1547 | "isPrimTPC="<<isPrimTPC<< | |
1548 | "isFromStrangessTPC="<<isFromStrangessTPC<< | |
1549 | "isFromConversionTPC="<<isFromConversionTPC<< | |
1550 | "isFromMaterialTPC="<<isFromMaterialTPC<< | |
1551 | "particleITS.="<<particleITS<< | |
1552 | "particleMotherITS.="<<particleMotherITS<< | |
1553 | "mechITS="<<mechITS<< | |
1554 | "isPrimITS="<<isPrimITS<< | |
1555 | "isFromStrangessITS="<<isFromStrangessITS<< | |
1556 | "isFromConversionITS="<<isFromConversionITS<< | |
1557 | "isFromMaterialITS="<<isFromMaterialITS; | |
1558 | } | |
1559 | //finish writing the entry | |
1560 | AliInfo("writing tree highPt"); | |
1561 | (*fTreeSRedirector)<<"highPt"<<"\n"; | |
1562 | } | |
b3982e10 | 1563 | AliSysInfo::AddStamp("filteringTask",iTrack,numberOfTracks,numberOfFriendTracks,(friendTrack=fDummyFriendTrack)?0:1); |
2e16763c | 1564 | |
1565 | delete tpcInnerC; | |
1566 | delete trackInnerC; | |
1567 | delete trackInnerC2; | |
1568 | delete outerITSc; | |
1569 | delete trackInnerC3; | |
1570 | } | |
c683985a | 1571 | } |
1572 | ||
1573 | } | |
1574 | ||
1575 | ||
1576 | //_____________________________________________________________________________ | |
1577 | void AliAnalysisTaskFilteredTree::ProcessMCEff(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent, AliESDfriend *const /*esdFriend*/) | |
1578 | { | |
1579 | // | |
1580 | // Fill tree for efficiency studies MC only | |
1581 | AliInfo("we start!"); | |
1582 | ||
1583 | if(!esdEvent) { | |
1584 | AliDebug(AliLog::kError, "esdEvent not available"); | |
1585 | return; | |
1586 | } | |
1587 | ||
1588 | if(!mcEvent) { | |
1589 | AliDebug(AliLog::kError, "mcEvent not available"); | |
1590 | return; | |
1591 | } | |
1592 | ||
1593 | // get selection cuts | |
1594 | AliFilteredTreeEventCuts *evtCuts = GetEventCuts(); | |
1595 | AliFilteredTreeAcceptanceCuts *accCuts = GetAcceptanceCuts(); | |
1596 | AliESDtrackCuts *esdTrackCuts = GetTrackCuts(); | |
1597 | ||
1598 | if(!evtCuts || !accCuts || !esdTrackCuts) { | |
1599 | AliDebug(AliLog::kError, "cuts not available"); | |
1600 | return; | |
1601 | } | |
1602 | ||
1603 | // trigger selection | |
1604 | Bool_t isEventTriggered = kTRUE; | |
1605 | AliPhysicsSelection *physicsSelection = NULL; | |
1606 | AliTriggerAnalysis* triggerAnalysis = NULL; | |
1607 | ||
1608 | // | |
1609 | AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler(); | |
1610 | if (!inputHandler) | |
1611 | { | |
1612 | Printf("ERROR: Could not receive input handler"); | |
1613 | return; | |
1614 | } | |
1615 | ||
1616 | // get file name | |
1617 | TTree *chain = (TChain*)GetInputData(0); | |
1618 | if(!chain) { | |
1619 | Printf("ERROR: Could not receive input chain"); | |
1620 | return; | |
1621 | } | |
1622 | TObjString fileName(chain->GetCurrentFile()->GetName()); | |
1623 | ||
1624 | // trigger | |
1625 | if(evtCuts->IsTriggerRequired()) | |
1626 | { | |
1627 | // always MB | |
1628 | isEventTriggered = inputHandler->IsEventSelected() & AliVEvent::kMB; | |
1629 | ||
1630 | physicsSelection = static_cast<AliPhysicsSelection*> (inputHandler->GetEventSelection()); | |
1631 | if(!physicsSelection) return; | |
1632 | ||
1633 | if (isEventTriggered && (GetTrigger() == AliTriggerAnalysis::kV0AND)) { | |
1634 | // set trigger (V0AND) | |
1635 | triggerAnalysis = physicsSelection->GetTriggerAnalysis(); | |
1636 | if(!triggerAnalysis) return; | |
1637 | isEventTriggered = triggerAnalysis->IsOfflineTriggerFired(esdEvent, GetTrigger()); | |
1638 | } | |
1639 | } | |
1640 | ||
1641 | // centrality determination | |
1642 | Float_t centralityF = -1; | |
1643 | AliCentrality *esdCentrality = esdEvent->GetCentrality(); | |
1644 | centralityF = esdCentrality->GetCentralityPercentile(fCentralityEstimator.Data()); | |
1645 | ||
1646 | // use MC information | |
1647 | AliHeader* header = 0; | |
1648 | AliGenEventHeader* genHeader = 0; | |
1649 | AliStack* stack = 0; | |
1650 | Int_t mcStackSize=0; | |
1651 | TArrayF vtxMC(3); | |
1652 | ||
1653 | Int_t multMCTrueTracks = 0; | |
1654 | // | |
1655 | if(!mcEvent) { | |
1656 | AliDebug(AliLog::kError, "mcEvent not available"); | |
1657 | return; | |
1658 | } | |
1659 | // get MC event header | |
1660 | header = mcEvent->Header(); | |
1661 | if (!header) { | |
1662 | AliDebug(AliLog::kError, "Header not available"); | |
1663 | return; | |
1664 | } | |
1665 | // MC particle stack | |
1666 | stack = mcEvent->Stack(); | |
1667 | if (!stack) { | |
1668 | AliDebug(AliLog::kError, "Stack not available"); | |
1669 | return; | |
1670 | } | |
1671 | mcStackSize=stack->GetNtrack(); | |
1672 | ||
1673 | // get MC vertex | |
1674 | genHeader = header->GenEventHeader(); | |
1675 | if (!genHeader) { | |
1676 | AliDebug(AliLog::kError, "Could not retrieve genHeader from Header"); | |
1677 | return; | |
1678 | } | |
1679 | genHeader->PrimaryVertex(vtxMC); | |
1680 | ||
1681 | // multipliticy of all MC primary tracks | |
1682 | // in Zv, pt and eta ranges) | |
1683 | multMCTrueTracks = GetMCTrueTrackMult(mcEvent,evtCuts,accCuts); | |
1684 | ||
1685 | ||
1686 | // get reconstructed vertex | |
1687 | //const AliESDVertex* vtxESD = 0; | |
1688 | AliESDVertex* vtxESD = 0; | |
1689 | if(GetAnalysisMode() == kTPCAnalysisMode) { | |
1690 | vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC(); | |
1691 | } | |
1692 | else if(GetAnalysisMode() == kTPCITSAnalysisMode) { | |
1693 | vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTracks(); | |
1694 | } | |
1695 | else { | |
1696 | return; | |
1697 | } | |
1698 | ||
1699 | if(!vtxESD) return; | |
1700 | // | |
1701 | // Vertex info comparison and track multiplicity | |
1702 | // | |
1703 | AliESDVertex *vertexSPD = (AliESDVertex *)esdEvent->GetPrimaryVertexSPD(); | |
1704 | AliESDVertex *vertexTPC = (AliESDVertex *)esdEvent->GetPrimaryVertexTPC(); | |
1705 | Int_t contSPD = vertexSPD->GetNContributors(); | |
1706 | Int_t contTPC = vertexTPC->GetNContributors(); | |
1707 | TVectorD vertexPosTPC(3), vertexPosSPD(3); | |
1708 | vertexSPD->GetXYZ(vertexPosSPD.GetMatrixArray()); | |
1709 | vertexTPC->GetXYZ(vertexPosTPC.GetMatrixArray()); | |
1710 | Int_t ntracksTPC=0; | |
1711 | Int_t ntracksITS=0; | |
1712 | for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++){ | |
1713 | AliESDtrack *track = esdEvent->GetTrack(iTrack); | |
1714 | if(!track) continue; | |
1715 | if (track->IsOn(AliVTrack::kTPCrefit)) ntracksTPC++; | |
1716 | if (track->IsOn(AliVTrack::kITSrefit)) ntracksITS++; | |
1717 | } | |
1718 | ||
1719 | Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD); | |
1720 | //printf("isEventOK %d, isEventTriggered %d \n",isEventOK, isEventTriggered); | |
1721 | //printf("GetAnalysisMode() %d \n",GetAnalysisMode()); | |
1722 | ||
1723 | TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data(); | |
1724 | ||
1725 | // check event cuts | |
1726 | if(isEventOK && isEventTriggered) | |
1727 | { | |
1728 | //if(!stack) return; | |
1729 | ||
1730 | // | |
1731 | // MC info | |
1732 | // | |
1733 | TParticle *particle=NULL; | |
1734 | TParticle *particleMother=NULL; | |
1735 | Int_t mech=-1; | |
1736 | ||
1737 | // reco event info | |
1738 | Double_t vert[3] = {0}; | |
1739 | vert[0] = vtxESD->GetXv(); | |
1740 | vert[1] = vtxESD->GetYv(); | |
1741 | vert[2] = vtxESD->GetZv(); | |
1742 | Int_t mult = vtxESD->GetNContributors(); | |
1743 | Double_t bz = esdEvent->GetMagneticField(); | |
1744 | Double_t runNumber = esdEvent->GetRunNumber(); | |
1745 | Double_t evtTimeStamp = esdEvent->GetTimeStamp(); | |
1746 | Int_t evtNumberInFile = esdEvent->GetEventNumberInFile(); | |
234cae2f | 1747 | // loop over MC stack |
c683985a | 1748 | for (Int_t iMc = 0; iMc < mcStackSize; ++iMc) |
1749 | { | |
1750 | particle = stack->Particle(iMc); | |
1751 | if (!particle) | |
1752 | continue; | |
1753 | ||
1754 | // only charged particles | |
1755 | if(!particle->GetPDG()) continue; | |
1756 | Double_t charge = particle->GetPDG()->Charge()/3.; | |
1757 | if (TMath::Abs(charge) < 0.001) | |
1758 | continue; | |
1759 | ||
1760 | // only primary particles | |
1761 | Bool_t prim = stack->IsPhysicalPrimary(iMc); | |
1762 | if(!prim) continue; | |
1763 | ||
1764 | // downscale low-pT particles | |
1765 | Double_t scalempt= TMath::Min(particle->Pt(),10.); | |
1766 | Double_t downscaleF = gRandom->Rndm(); | |
1767 | downscaleF *= fLowPtTrackDownscaligF; | |
1768 | if(TMath::Exp(2*scalempt)<downscaleF) continue; | |
1769 | ||
1770 | // is particle in acceptance | |
1771 | if(!accCuts->AcceptTrack(particle)) continue; | |
1772 | ||
1773 | // check if particle reconstructed | |
1774 | Bool_t isRec = kFALSE; | |
1775 | Int_t trackIndex = -1; | |
1776 | Int_t trackLoopIndex = -1; | |
1777 | Int_t isESDtrackCut= 0; | |
1778 | Int_t isAccCuts = 0; | |
1779 | Int_t nRec = 0; // how many times reconstructed | |
1780 | Int_t nFakes = 0; // how many times reconstructed as a fake track | |
1781 | AliESDtrack *recTrack = NULL; | |
1782 | ||
1783 | for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++) | |
1784 | { | |
1785 | AliESDtrack *track = esdEvent->GetTrack(iTrack); | |
1786 | if(!track) continue; | |
1787 | if(track->Charge()==0) continue; | |
234cae2f | 1788 | // |
1789 | Int_t label = TMath::Abs(track->GetLabel()); | |
1790 | if (label >= mcStackSize) continue; | |
1791 | if(label == iMc) { | |
1792 | Bool_t isAcc=esdTrackCuts->AcceptTrack(track); | |
1793 | if (isAcc) isESDtrackCut=1; | |
1794 | if (accCuts->AcceptTrack(track)) isAccCuts=1; | |
1795 | isRec = kTRUE; | |
c683985a | 1796 | trackIndex = iTrack; |
1797 | ||
234cae2f | 1798 | if (recTrack){ |
1799 | if (track->GetTPCncls()<recTrack->GetTPCncls()) continue; // in case looper tracks use longer track | |
1800 | if (!isAcc) continue; | |
1801 | trackLoopIndex = iTrack; | |
1802 | } | |
1803 | recTrack = esdEvent->GetTrack(trackIndex); | |
c683985a | 1804 | nRec++; |
1805 | if(track->GetLabel()<0) nFakes++; | |
1806 | ||
234cae2f | 1807 | continue; |
1808 | } | |
c683985a | 1809 | } |
234cae2f | 1810 | |
c683985a | 1811 | // Store information in the output tree |
1812 | if (trackLoopIndex>-1) { | |
1813 | recTrack = esdEvent->GetTrack(trackLoopIndex); | |
1814 | } else if (trackIndex >-1) { | |
1815 | recTrack = esdEvent->GetTrack(trackIndex); | |
1816 | } else { | |
2e16763c | 1817 | recTrack = fDummyTrack; |
c683985a | 1818 | } |
1819 | ||
1820 | particleMother = GetMother(particle,stack); | |
1821 | mech = particle->GetUniqueID(); | |
1822 | ||
1823 | //MC particle track length | |
1824 | Double_t tpcTrackLength = 0.; | |
1825 | AliMCParticle *mcParticle = (AliMCParticle*) mcEvent->GetTrack(iMc); | |
1826 | if(mcParticle) { | |
1827 | Int_t counter; | |
1828 | tpcTrackLength = mcParticle->GetTPCTrackLength(bz,0.05,counter,3.0); | |
1829 | } | |
1830 | ||
1831 | ||
1832 | // | |
1833 | if(fTreeSRedirector && fFillTree) { | |
1834 | (*fTreeSRedirector)<<"MCEffTree"<< | |
1835 | "fileName.="<<&fileName<< | |
1836 | "triggerClass.="<<&triggerClass<< | |
1837 | "runNumber="<<runNumber<< | |
1838 | "evtTimeStamp="<<evtTimeStamp<< | |
1839 | "evtNumberInFile="<<evtNumberInFile<< // | |
1840 | "Bz="<<bz<< // magnetic field | |
1841 | "vtxESD.="<<vtxESD<< // vertex info | |
234cae2f | 1842 | // |
c683985a | 1843 | "mult="<<mult<< // primary vertex 9whatewe found) multiplicity |
234cae2f | 1844 | "multMCTrueTracks="<<multMCTrueTracks<< // mC track multiplicities |
1845 | // important variables for the pile-up studies | |
1846 | "contTPC="<< contTPC<< // number of contributors to the TPC primary vertex candidate | |
1847 | "contSPD="<< contSPD<< // number of contributors to the SPD primary vertex candidate | |
1848 | "vertexPosTPC.="<<&vertexPosTPC<< // TPC vertex position | |
1849 | "vertexPosSPD.="<<&vertexPosSPD<< // SPD vertex position | |
1850 | "ntracksTPC="<<ntracksTPC<< // total number of the TPC tracks which were refitted | |
1851 | "ntracksITS="<<ntracksITS<< // total number of the ITS tracks which were refitted | |
1852 | // | |
1853 | // | |
1854 | "isAcc0="<<isESDtrackCut<< // track accepted by ESD track cuts | |
1855 | "isAcc1="<<isAccCuts<< // track accepted by acceptance cuts flag | |
c683985a | 1856 | "esdTrack.="<<recTrack<< // reconstructed track (only the longest from the loopers) |
1857 | "isRec="<<isRec<< // track was reconstructed | |
1858 | "tpcTrackLength="<<tpcTrackLength<< // track length in the TPC r projection | |
1859 | "particle.="<<particle<< // particle properties | |
1860 | "particleMother.="<<particleMother<< // particle mother | |
1861 | "mech="<<mech<< // production mechanizm | |
1862 | "nRec="<<nRec<< // how many times reconstruted | |
1863 | "nFakes="<<nFakes<< // how many times reconstructed as a fake track | |
1864 | "\n"; | |
1865 | } | |
1866 | ||
2e16763c | 1867 | //if(trackIndex <0 && recTrack) delete recTrack; recTrack=0; |
c683985a | 1868 | } |
1869 | } | |
1870 | ||
1871 | } | |
1872 | ||
1873 | //_____________________________________________________________________________ | |
1874 | Bool_t AliAnalysisTaskFilteredTree::IsHighDeDxParticle(AliESDtrack * track) { | |
1875 | // | |
1876 | // check if particle is Z > 1 | |
1877 | // | |
1878 | if (track->GetTPCNcls() < 60) return kFALSE; | |
1879 | Double_t mom = track->GetInnerParam()->GetP(); | |
1880 | if (mom < 0.2) return kFALSE; // protection against unexpected behavior of Aleph parameterization | |
1881 | Float_t dca[2], bCov[3]; | |
1882 | track->GetImpactParameters(dca,bCov); | |
1883 | // | |
1884 | ||
1885 | Double_t triggerDeDx = 4*AliExternalTrackParam::BetheBlochAleph((mom*2)/(0.938*3),1.0288,31.9806,5.04114e-11,2.13096,2.38541); | |
1886 | ||
1887 | if (track->GetTPCsignal() > triggerDeDx && track->GetTPCsignal()<1000 && TMath::Abs(dca[0])<3.) return kTRUE; | |
1888 | ||
1889 | return kFALSE; | |
1890 | } | |
1891 | ||
1892 | //_____________________________________________________________________________ | |
234cae2f | 1893 | void AliAnalysisTaskFilteredTree::ProcessV0(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent, AliESDfriend *const esdFriend) |
c683985a | 1894 | { |
1895 | // | |
1896 | // Select real events with V0 (K0s and Lambda and Gamma) high-pT candidates | |
1897 | // | |
1898 | if(!esdEvent) { | |
1899 | AliDebug(AliLog::kError, "esdEvent not available"); | |
1900 | return; | |
1901 | } | |
1902 | ||
1903 | // get selection cuts | |
1904 | AliFilteredTreeEventCuts *evtCuts = GetEventCuts(); | |
1905 | AliFilteredTreeAcceptanceCuts *accCuts = GetAcceptanceCuts(); | |
1906 | AliESDtrackCuts *esdTrackCuts = GetTrackCuts(); | |
1907 | ||
1908 | if(!evtCuts || !accCuts || !esdTrackCuts) { | |
1909 | AliDebug(AliLog::kError, "cuts not available"); | |
1910 | return; | |
1911 | } | |
1912 | ||
1913 | // trigger selection | |
1914 | Bool_t isEventTriggered = kTRUE; | |
1915 | AliPhysicsSelection *physicsSelection = NULL; | |
1916 | AliTriggerAnalysis* triggerAnalysis = NULL; | |
1917 | ||
1918 | // | |
1919 | AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler(); | |
1920 | if (!inputHandler) | |
1921 | { | |
1922 | Printf("ERROR: Could not receive input handler"); | |
1923 | return; | |
1924 | } | |
234cae2f | 1925 | |
c683985a | 1926 | // get file name |
1927 | TTree *chain = (TChain*)GetInputData(0); | |
1928 | if(!chain) { | |
1929 | Printf("ERROR: Could not receive input chain"); | |
1930 | return; | |
1931 | } | |
1932 | TObjString fileName(chain->GetCurrentFile()->GetName()); | |
1933 | ||
1934 | // trigger | |
1935 | if(evtCuts->IsTriggerRequired()) | |
1936 | { | |
1937 | // always MB | |
1938 | isEventTriggered = inputHandler->IsEventSelected() & AliVEvent::kMB; | |
1939 | ||
1940 | physicsSelection = static_cast<AliPhysicsSelection*> (inputHandler->GetEventSelection()); | |
1941 | if(!physicsSelection) return; | |
1942 | //SetPhysicsTriggerSelection(physicsSelection); | |
1943 | ||
1944 | if (isEventTriggered && (GetTrigger() == AliTriggerAnalysis::kV0AND)) { | |
1945 | // set trigger (V0AND) | |
1946 | triggerAnalysis = physicsSelection->GetTriggerAnalysis(); | |
1947 | if(!triggerAnalysis) return; | |
1948 | isEventTriggered = triggerAnalysis->IsOfflineTriggerFired(esdEvent, GetTrigger()); | |
1949 | } | |
1950 | } | |
1951 | ||
1952 | // centrality determination | |
1953 | Float_t centralityF = -1; | |
1954 | AliCentrality *esdCentrality = esdEvent->GetCentrality(); | |
1955 | centralityF = esdCentrality->GetCentralityPercentile(fCentralityEstimator.Data()); | |
1956 | ||
1957 | ||
1958 | // get reconstructed vertex | |
1959 | //const AliESDVertex* vtxESD = 0; | |
1960 | AliESDVertex* vtxESD = 0; | |
1961 | if(GetAnalysisMode() == kTPCAnalysisMode) { | |
234cae2f | 1962 | vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC(); |
c683985a | 1963 | } |
1964 | else if(GetAnalysisMode() == kTPCITSAnalysisMode) { | |
234cae2f | 1965 | vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTracks(); |
c683985a | 1966 | } |
1967 | else { | |
234cae2f | 1968 | return; |
c683985a | 1969 | } |
1970 | ||
1971 | if(!vtxESD) return; | |
1972 | ||
1973 | Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD); | |
1974 | //printf("isEventOK %d, isEventTriggered %d \n",isEventOK, isEventTriggered); | |
1975 | //printf("GetAnalysisMode() %d \n",GetAnalysisMode()); | |
1976 | ||
1977 | // check event cuts | |
1978 | if(isEventOK && isEventTriggered) { | |
c683985a | 1979 | // |
234cae2f | 1980 | // Dump the pt downscaled V0 into the tree |
1981 | // | |
1982 | Int_t ntracks = esdEvent->GetNumberOfTracks(); | |
1983 | Int_t nV0s = esdEvent->GetNumberOfV0s(); | |
1984 | Int_t run = esdEvent->GetRunNumber(); | |
1985 | Int_t time= esdEvent->GetTimeStamp(); | |
1986 | Int_t evNr=esdEvent->GetEventNumberInFile(); | |
1987 | Double_t bz = esdEvent->GetMagneticField(); | |
c683985a | 1988 | |
b55a470b | 1989 | // Global event id calculation using orbitID, bunchCrossingID and periodID |
1990 | ULong64_t orbitID = (ULong64_t)esdEvent->GetOrbitNumber(); | |
1991 | ULong64_t bunchCrossID = (ULong64_t)esdEvent->GetBunchCrossNumber(); | |
1992 | ULong64_t periodID = (ULong64_t)esdEvent->GetPeriodNumber(); | |
1993 | ULong64_t gid = ((periodID << 36) | (orbitID << 12) | bunchCrossID); | |
1994 | ||
234cae2f | 1995 | |
1996 | for (Int_t iv0=0; iv0<nV0s; iv0++){ | |
1997 | ||
1998 | AliESDv0 * v0 = esdEvent->GetV0(iv0); | |
1999 | if (!v0) continue; | |
2000 | AliESDtrack * track0 = esdEvent->GetTrack(v0->GetIndex(0)); | |
2001 | AliESDtrack * track1 = esdEvent->GetTrack(v0->GetIndex(1)); | |
2002 | if (!track0) continue; | |
2003 | if (!track1) continue; | |
2004 | AliESDfriendTrack* friendTrack0=NULL; | |
2005 | AliESDfriendTrack* friendTrack1=NULL; | |
2006 | if (esdFriend) | |
2007 | { | |
2008 | if (!esdFriend->TestSkipBit()) | |
2009 | { | |
2010 | friendTrack0 = esdFriend->GetTrack(v0->GetIndex(0)); //this guy can be NULL | |
2011 | friendTrack1 = esdFriend->GetTrack(v0->GetIndex(1)); //this guy can be NULL | |
2012 | } | |
2013 | } | |
2e16763c | 2014 | //Bool_t newFriendTrack0=kFALSE; |
2015 | //Bool_t newFriendTrack1=kFALSE; | |
2016 | //if (!friendTrack0) {friendTrack0=new AliESDfriendTrack(); newFriendTrack0=kTRUE;} | |
2017 | //if (!friendTrack1) {friendTrack1=new AliESDfriendTrack(); newFriendTrack1=kTRUE;} | |
2018 | if (!friendTrack0) {friendTrack0=fDummyFriendTrack;} | |
2019 | if (!friendTrack1) {friendTrack1=fDummyFriendTrack;} | |
234cae2f | 2020 | if (track0->GetSign()<0) { |
2021 | track1 = esdEvent->GetTrack(v0->GetIndex(0)); | |
2022 | track0 = esdEvent->GetTrack(v0->GetIndex(1)); | |
2023 | } | |
2024 | // | |
2025 | Bool_t isDownscaled = IsV0Downscaled(v0); | |
2026 | if (isDownscaled) continue; | |
2027 | AliKFParticle kfparticle; // | |
2028 | Int_t type=GetKFParticle(v0,esdEvent,kfparticle); | |
2029 | if (type==0) continue; | |
2030 | TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data(); | |
2031 | ||
2032 | if(!fFillTree) return; | |
2033 | if(!fTreeSRedirector) return; | |
2034 | (*fTreeSRedirector)<<"V0s"<< | |
b55a470b | 2035 | "gid="<<gid<< |
234cae2f | 2036 | "isDownscaled="<<isDownscaled<< |
2037 | "triggerClass="<<&triggerClass<< // trigger | |
2038 | "Bz="<<bz<< | |
2039 | "fileName.="<<&fileName<< | |
2040 | "runNumber="<<run<< | |
2041 | "evtTimeStamp="<<time<< | |
2042 | "evtNumberInFile="<<evNr<< | |
2043 | "type="<<type<< | |
2044 | "ntracks="<<ntracks<< | |
2045 | "v0.="<<v0<< | |
2046 | "kf.="<<&kfparticle<< | |
2047 | "track0.="<<track0<< | |
2048 | "track1.="<<track1<< | |
2049 | "friendTrack0.="<<friendTrack0<< | |
2050 | "friendTrack1.="<<friendTrack1<< | |
2051 | "centralityF="<<centralityF<< | |
2052 | "\n"; | |
2e16763c | 2053 | //if (newFriendTrack0) {delete friendTrack0;} |
2054 | //if (newFriendTrack1) {delete friendTrack1;} | |
234cae2f | 2055 | } |
c683985a | 2056 | } |
2057 | } | |
2058 | ||
2059 | //_____________________________________________________________________________ | |
234cae2f | 2060 | void AliAnalysisTaskFilteredTree::ProcessdEdx(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent, AliESDfriend *const esdFriend) |
c683985a | 2061 | { |
2062 | // | |
2063 | // Select real events with large TPC dEdx signal | |
2064 | // | |
2065 | if(!esdEvent) { | |
2066 | AliDebug(AliLog::kError, "esdEvent not available"); | |
2067 | return; | |
2068 | } | |
2069 | ||
2070 | // get selection cuts | |
2071 | AliFilteredTreeEventCuts *evtCuts = GetEventCuts(); | |
2072 | AliFilteredTreeAcceptanceCuts *accCuts = GetAcceptanceCuts(); | |
2073 | AliESDtrackCuts *esdTrackCuts = GetTrackCuts(); | |
2074 | ||
2075 | if(!evtCuts || !accCuts || !esdTrackCuts) { | |
2076 | AliDebug(AliLog::kError, "cuts not available"); | |
2077 | return; | |
2078 | } | |
2079 | ||
2080 | // get file name | |
2081 | TTree *chain = (TChain*)GetInputData(0); | |
2082 | if(!chain) { | |
2083 | Printf("ERROR: Could not receive input chain"); | |
2084 | return; | |
2085 | } | |
2086 | TObjString fileName(chain->GetCurrentFile()->GetName()); | |
2087 | ||
2088 | // trigger | |
2089 | Bool_t isEventTriggered = kTRUE; | |
2090 | AliPhysicsSelection *physicsSelection = NULL; | |
2091 | AliTriggerAnalysis* triggerAnalysis = NULL; | |
2092 | ||
2093 | // | |
2094 | AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler(); | |
2095 | if (!inputHandler) | |
2096 | { | |
2097 | Printf("ERROR: Could not receive input handler"); | |
2098 | return; | |
2099 | } | |
2100 | ||
2101 | if(evtCuts->IsTriggerRequired()) | |
2102 | { | |
2103 | // always MB | |
2104 | isEventTriggered = inputHandler->IsEventSelected() & AliVEvent::kMB; | |
2105 | ||
2106 | physicsSelection = static_cast<AliPhysicsSelection*> (inputHandler->GetEventSelection()); | |
2107 | if(!physicsSelection) return; | |
2108 | ||
2109 | if (isEventTriggered && (GetTrigger() == AliTriggerAnalysis::kV0AND)) { | |
2110 | // set trigger (V0AND) | |
2111 | triggerAnalysis = physicsSelection->GetTriggerAnalysis(); | |
2112 | if(!triggerAnalysis) return; | |
2113 | isEventTriggered = triggerAnalysis->IsOfflineTriggerFired(esdEvent, GetTrigger()); | |
2114 | } | |
2115 | } | |
2116 | ||
2117 | // get reconstructed vertex | |
2118 | AliESDVertex* vtxESD = 0; | |
2119 | if(GetAnalysisMode() == kTPCAnalysisMode) { | |
234cae2f | 2120 | vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC(); |
c683985a | 2121 | } |
2122 | else if(GetAnalysisMode() == kTPCITSAnalysisMode) { | |
234cae2f | 2123 | vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTracks(); |
c683985a | 2124 | } |
2125 | else { | |
234cae2f | 2126 | return; |
c683985a | 2127 | } |
2128 | if(!vtxESD) return; | |
2129 | ||
2130 | Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD); | |
2131 | //printf("isEventOK %d, isEventTriggered %d \n",isEventOK, isEventTriggered); | |
2132 | //printf("GetAnalysisMode() %d \n",GetAnalysisMode()); | |
2133 | ||
2134 | ||
2135 | // check event cuts | |
2136 | if(isEventOK && isEventTriggered) | |
2137 | { | |
2138 | Double_t vert[3] = {0}; | |
2139 | vert[0] = vtxESD->GetXv(); | |
2140 | vert[1] = vtxESD->GetYv(); | |
2141 | vert[2] = vtxESD->GetZv(); | |
2142 | Int_t mult = vtxESD->GetNContributors(); | |
2143 | Double_t bz = esdEvent->GetMagneticField(); | |
2144 | Double_t runNumber = esdEvent->GetRunNumber(); | |
2145 | Double_t evtTimeStamp = esdEvent->GetTimeStamp(); | |
2146 | Int_t evtNumberInFile = esdEvent->GetEventNumberInFile(); | |
b55a470b | 2147 | |
2148 | // Global event id calculation using orbitID, bunchCrossingID and periodID | |
2149 | ULong64_t orbitID = (ULong64_t)esdEvent->GetOrbitNumber(); | |
2150 | ULong64_t bunchCrossID = (ULong64_t)esdEvent->GetBunchCrossNumber(); | |
2151 | ULong64_t periodID = (ULong64_t)esdEvent->GetPeriodNumber(); | |
2152 | ULong64_t gid = ((periodID << 36) | (orbitID << 12) | bunchCrossID); | |
2153 | ||
c683985a | 2154 | // large dEdx |
2155 | for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++) | |
2156 | { | |
2157 | AliESDtrack *track = esdEvent->GetTrack(iTrack); | |
2158 | if(!track) continue; | |
234cae2f | 2159 | AliESDfriendTrack* friendTrack=NULL; |
2160 | if (esdFriend) {if (!esdFriend->TestSkipBit()) friendTrack = esdFriend->GetTrack(iTrack);} //this guy can be NULL | |
2e16763c | 2161 | //Bool_t newFriendTrack=kFALSE; |
2162 | //if (!friendTrack) {friendTrack=new AliESDfriendTrack(); newFriendTrack=kTRUE;} | |
2163 | if (!friendTrack) {friendTrack=fDummyFriendTrack;} | |
c683985a | 2164 | if(track->Charge()==0) continue; |
2165 | if(!esdTrackCuts->AcceptTrack(track)) continue; | |
2166 | if(!accCuts->AcceptTrack(track)) continue; | |
2167 | ||
2168 | if(!IsHighDeDxParticle(track)) continue; | |
2169 | TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data(); | |
2170 | ||
2171 | if(!fFillTree) return; | |
2172 | if(!fTreeSRedirector) return; | |
2173 | (*fTreeSRedirector)<<"dEdx"<< | |
b55a470b | 2174 | "gid="<<gid<< |
234cae2f | 2175 | "fileName.="<<&fileName<< |
2176 | "runNumber="<<runNumber<< | |
2177 | "evtTimeStamp="<<evtTimeStamp<< | |
2178 | "evtNumberInFile="<<evtNumberInFile<< | |
2179 | "triggerClass="<<&triggerClass<< // trigger | |
2180 | "Bz="<<bz<< | |
2181 | "vtxESD.="<<vtxESD<< | |
2182 | "mult="<<mult<< | |
2183 | "esdTrack.="<<track<< | |
2184 | "friendTrack.="<<friendTrack<< | |
2185 | "\n"; | |
2e16763c | 2186 | //if (newFriendTrack) delete friendTrack; |
c683985a | 2187 | } |
2188 | } | |
2189 | } | |
2190 | ||
2191 | //_____________________________________________________________________________ | |
2192 | Int_t AliAnalysisTaskFilteredTree::GetKFParticle(AliESDv0 *const v0, AliESDEvent * const event, AliKFParticle & kfparticle) | |
2193 | { | |
2194 | // | |
2195 | // Create KF particle in case the V0 fullfill selection criteria | |
2196 | // | |
2197 | // Selection criteria | |
2198 | // 0. algorithm cut | |
2199 | // 1. track cut | |
2200 | // 3. chi2 cut | |
2201 | // 4. rough mass cut | |
2202 | // 5. Normalized pointing angle cut | |
2203 | // | |
2204 | const Double_t cutMass=0.2; | |
2205 | const Double_t kSigmaDCACut=3; | |
2206 | // | |
2207 | // 0.) algo cut - accept only on the fly | |
2208 | // | |
2209 | if (v0->GetOnFlyStatus() ==kFALSE) return 0; | |
2210 | // | |
2211 | // 1.) track cut | |
2212 | // | |
2213 | AliESDtrack * track0 = event->GetTrack(v0->GetIndex(0)); | |
2214 | AliESDtrack * track1 = event->GetTrack(v0->GetIndex(1)); | |
2215 | /* | |
234cae2f | 2216 | TCut cutD="abs(track0.fD/sqrt(track0.fCdd))>2&&abs(track1.fD/sqrt(track1.fCdd))>2"; |
2217 | TCut cutTheta="abs(track0.fP[3])<1&&abs(track1.fP[3])<1"; | |
2218 | TCut cutNcl="track0.GetTPCClusterInfo(2,1)>100&&track1.GetTPCClusterInfo(2,1)>100"; | |
2219 | */ | |
c683985a | 2220 | if (TMath::Abs(track0->GetTgl())>1) return 0; |
2221 | if (TMath::Abs(track1->GetTgl())>1) return 0; | |
2222 | if ((track0->GetTPCClusterInfo(2,1))<100) return 0; | |
2223 | if ((track1->GetTPCClusterInfo(2,1))<100) return 0; | |
2224 | //if ((track0->GetITSclusters(0))<2) return 0; | |
2225 | //if ((track1->GetITSclusters(0))<2) return 0; | |
2226 | Float_t pos0[2]={0}, cov0[3]={0}; | |
2227 | Float_t pos1[2]={0}, cov1[3]={0}; | |
2228 | track0->GetImpactParameters(pos0,cov0); | |
2229 | track0->GetImpactParameters(pos1,cov1); | |
2230 | // | |
2231 | if (TMath::Abs(pos0[0])<kSigmaDCACut*TMath::Sqrt(cov0[0])) return 0; | |
2232 | if (TMath::Abs(pos1[0])<kSigmaDCACut*TMath::Sqrt(cov1[0])) return 0; | |
2233 | // | |
2234 | // | |
2235 | // 3.) Chi2 cut | |
2236 | // | |
2237 | Double_t chi2KF = v0->GetKFInfo(2,2,2); | |
2238 | if (chi2KF>25) return 0; | |
2239 | // | |
2240 | // 4.) Rough mass cut - 0.200 GeV | |
2241 | // | |
2242 | static Double_t masses[2]={-1}; | |
2243 | if (masses[0]<0){ | |
2244 | masses[0] = TDatabasePDG::Instance()->GetParticle("K_S0")->Mass(); | |
2245 | masses[1] = TDatabasePDG::Instance()->GetParticle("Lambda0")->Mass(); | |
2246 | } | |
2247 | Double_t mass00= v0->GetEffMass(0,0); | |
2248 | Double_t mass22= v0->GetEffMass(2,2); | |
2249 | Double_t mass42= v0->GetEffMass(4,2); | |
2250 | Double_t mass24= v0->GetEffMass(2,4); | |
2251 | Bool_t massOK=kFALSE; | |
2252 | Int_t type=0; | |
2253 | Int_t ptype=0; | |
2254 | Double_t dmass=1; | |
2255 | Int_t p1=0, p2=0; | |
2256 | if (TMath::Abs(mass00-0)<cutMass) { | |
2257 | massOK=kTRUE; type+=1; | |
2258 | if (TMath::Abs(mass00-0)<dmass) { | |
2259 | ptype=1; | |
2260 | dmass=TMath::Abs(mass00-0); | |
2261 | p1=0; p2=0; | |
2262 | } | |
2263 | } | |
2264 | if (TMath::Abs(mass24-masses[1])<cutMass) { | |
2265 | massOK=kTRUE; type+=2; | |
2266 | if (TMath::Abs(mass24-masses[1])<dmass){ | |
2267 | dmass = TMath::Abs(mass24-masses[1]); | |
2268 | ptype=2; | |
2269 | p1=2; p2=4; | |
2270 | } | |
2271 | } | |
2272 | if (TMath::Abs(mass42-masses[1])<cutMass) { | |
2273 | massOK=kTRUE; type+=4; | |
2274 | if (TMath::Abs(mass42-masses[1])<dmass){ | |
2275 | dmass = TMath::Abs(mass42-masses[1]); | |
2276 | ptype=4; | |
2277 | p1=4; p2=2; | |
2278 | } | |
2279 | } | |
2280 | if (TMath::Abs(mass22-masses[0])<cutMass) { | |
2281 | massOK=kTRUE; type+=8; | |
2282 | if (TMath::Abs(mass22-masses[0])<dmass){ | |
2283 | dmass = TMath::Abs(mass22-masses[0]); | |
2284 | ptype=8; | |
2285 | p1=2; p2=2; | |
2286 | } | |
2287 | } | |
2288 | if (type==0) return 0; | |
2289 | // | |
2290 | const Int_t spdg[5]={kPositron,kMuonPlus,kPiPlus, kKPlus, kProton}; | |
2291 | const AliExternalTrackParam *paramP = v0->GetParamP(); | |
2292 | const AliExternalTrackParam *paramN = v0->GetParamN(); | |
2293 | if (paramP->GetSign()<0){ | |
2294 | paramP=v0->GetParamP(); | |
2295 | paramN=v0->GetParamN(); | |
2296 | } | |
2297 | //Double_t *pparam1 = (Double_t*)paramP->GetParameter(); | |
2298 | //Double_t *pparam2 = (Double_t*)paramN->GetParameter(); | |
2299 | // | |
2300 | AliKFParticle kfp1( *paramP, spdg[p1] ); | |
2301 | AliKFParticle kfp2( *paramN, -1 *spdg[p2] ); | |
2302 | AliKFParticle V0KF; | |
2303 | (V0KF)+=kfp1; | |
2304 | (V0KF)+=kfp2; | |
2305 | kfparticle=V0KF; | |
2306 | // | |
2307 | // Pointing angle | |
2308 | // | |
2309 | Double_t errPhi = V0KF.GetErrPhi(); | |
2310 | Double_t pointAngle= TMath::ACos(v0->GetV0CosineOfPointingAngle()); | |
2311 | if (pointAngle/errPhi>10) return 0; | |
2312 | // | |
2313 | return ptype; | |
2314 | } | |
2315 | ||
2316 | //_____________________________________________________________________________ | |
2317 | Bool_t AliAnalysisTaskFilteredTree::IsV0Downscaled(AliESDv0 *const v0) | |
2318 | { | |
2319 | // | |
2320 | // Downscale randomly low pt V0 | |
2321 | // | |
2322 | //return kFALSE; | |
2323 | Double_t maxPt= TMath::Max(v0->GetParamP()->Pt(), v0->GetParamN()->Pt()); | |
2324 | Double_t scalempt= TMath::Min(maxPt,10.); | |
2325 | Double_t downscaleF = gRandom->Rndm(); | |
2326 | downscaleF *= fLowPtV0DownscaligF; | |
2327 | // | |
2328 | // Special treatment of the gamma conversion pt spectra is softer - | |
2329 | Double_t mass00= v0->GetEffMass(0,0); | |
2330 | const Double_t cutMass=0.2; | |
2331 | if (TMath::Abs(mass00-0)<cutMass){ | |
2332 | downscaleF/=10.; // 10 times smaller downscaling for the gamma concersion candidate | |
2333 | } | |
2334 | //printf("V0 TMath::Exp(2*scalempt) %e, downscaleF %e \n",TMath::Exp(2*scalempt), downscaleF); | |
2335 | if (TMath::Exp(2*scalempt)<downscaleF) return kTRUE; | |
2336 | return kFALSE; | |
2337 | ||
2338 | /* | |
234cae2f | 2339 | TH1F his1("his1","his1",100,0,10); |
2340 | TH1F his2("his2","his2",100,0,10); | |
2341 | {for (Int_t i=0; i<10000; i++){ | |
2342 | Double_t rnd=gRandom->Exp(1); | |
2343 | Bool_t isDownscaled =TMath::Exp(rnd)<100*gRandom->Rndm(); | |
2344 | his1->Fill(rnd); | |
2345 | if (!isDownscaled) his2->Fill(rnd); | |
2346 | }} | |
c683985a | 2347 | |
234cae2f | 2348 | */ |
c683985a | 2349 | |
2350 | } | |
2351 | ||
2352 | ||
2353 | ||
2354 | //_____________________________________________________________________________ | |
2355 | Bool_t AliAnalysisTaskFilteredTree::ConstrainTPCInner(AliExternalTrackParam *const tpcInnerC, const AliESDVertex* vtx, Double_t b[3]) | |
2356 | { | |
234cae2f | 2357 | // Constrain TPC inner params constrained |
2358 | // | |
2359 | if(!tpcInnerC) return kFALSE; | |
2360 | if(!vtx) return kFALSE; | |
c683985a | 2361 | |
234cae2f | 2362 | Double_t dz[2],cov[3]; |
2363 | //AliESDVertex *vtx= (AliESDVertex *)esdEvent->GetPrimaryVertex(); | |
2364 | //if(!tpcInnerC->PropagateToDCA(vtx, esdEvent->GetMagneticField(), 3, dz, cov)) return kFALSE; | |
2365 | //if(!tpcInnerC->PropagateToDCA(vtx, Bz, 3, dz, cov)) return kFALSE; | |
2366 | if(!tpcInnerC->PropagateToDCABxByBz(vtx, b, 3, dz, cov)) return kFALSE; | |
c683985a | 2367 | |
2368 | ||
234cae2f | 2369 | Double_t covar[6]; vtx->GetCovMatrix(covar); |
2370 | Double_t p[2]={tpcInnerC->GetParameter()[0]-dz[0],tpcInnerC->GetParameter()[1]-dz[1]}; | |
2371 | Double_t c[3]={covar[2],0.,covar[5]}; | |
2372 | Double_t chi2C=tpcInnerC->GetPredictedChi2(p,c); | |
2373 | if (chi2C>kVeryBig) return kFALSE; | |
c683985a | 2374 | |
234cae2f | 2375 | if(!tpcInnerC->Update(p,c)) return kFALSE; |
c683985a | 2376 | |
2377 | return kTRUE; | |
2378 | } | |
2379 | ||
2380 | //_____________________________________________________________________________ | |
2381 | Bool_t AliAnalysisTaskFilteredTree::ConstrainTrackInner(AliExternalTrackParam *const trackInnerC, const AliESDVertex* vtx, Double_t mass, Double_t b[3]) | |
2382 | { | |
234cae2f | 2383 | // Constrain TPC inner params constrained |
2384 | // | |
2385 | if(!trackInnerC) return kFALSE; | |
2386 | if(!vtx) return kFALSE; | |
c683985a | 2387 | |
234cae2f | 2388 | const Double_t kRadius = 2.8; |
2389 | const Double_t kMaxStep = 1.0; | |
c683985a | 2390 | |
234cae2f | 2391 | Double_t dz[2],cov[3]; |
c683985a | 2392 | |
234cae2f | 2393 | //AliESDVertex *vtx= (AliESDVertex *)esdEvent->GetPrimaryVertex(); |
2394 | //if(!trackInnerC->PropagateToDCA(vtx, esdEvent->GetMagneticField(), 3, dz, cov)) return kFALSE; | |
2395 | //if(!trackInnerC->PropagateToDCA(vtx, Bz, 3, dz, cov)) return kFALSE; | |
c683985a | 2396 | |
234cae2f | 2397 | if(!AliTracker::PropagateTrackToBxByBz(trackInnerC,kRadius,mass,kMaxStep,kFALSE)) return kFALSE; |
2398 | if(!trackInnerC->PropagateToDCABxByBz(vtx, b, 3, dz, cov)) return kFALSE; | |
c683985a | 2399 | |
234cae2f | 2400 | // |
2401 | Double_t covar[6]; vtx->GetCovMatrix(covar); | |
2402 | Double_t p[2]={trackInnerC->GetParameter()[0]-dz[0],trackInnerC->GetParameter()[1]-dz[1]}; | |
2403 | Double_t c[3]={covar[2],0.,covar[5]}; | |
2404 | Double_t chi2C=trackInnerC->GetPredictedChi2(p,c); | |
2405 | if (chi2C>kVeryBig) return kFALSE; | |
c683985a | 2406 | |
234cae2f | 2407 | if(!trackInnerC->Update(p,c)) return kFALSE; |
c683985a | 2408 | |
2409 | return kTRUE; | |
2410 | } | |
2411 | ||
2412 | ||
2413 | //_____________________________________________________________________________ | |
2414 | TParticle *AliAnalysisTaskFilteredTree::GetMother(TParticle *const particle, AliStack *const stack) | |
2415 | { | |
2416 | if(!particle) return NULL; | |
2417 | if(!stack) return NULL; | |
2418 | ||
2419 | Int_t motherLabel = TMath::Abs(particle->GetMother(0)); | |
2420 | TParticle* mother = NULL; | |
2421 | Int_t mcStackSize=stack->GetNtrack(); | |
2422 | if (motherLabel>=mcStackSize) return NULL; | |
2423 | mother = stack->Particle(motherLabel); | |
2424 | ||
234cae2f | 2425 | return mother; |
c683985a | 2426 | } |
2427 | ||
2428 | //_____________________________________________________________________________ | |
34e8fe1d | 2429 | Bool_t AliAnalysisTaskFilteredTree::IsFromConversion(Int_t label, AliStack *const stack) |
c683985a | 2430 | { |
2431 | Bool_t isFromConversion = kFALSE; | |
2432 | ||
2433 | if(stack) { | |
2434 | Int_t mcStackSize=stack->GetNtrack(); | |
2435 | if (label>=mcStackSize) return kFALSE; | |
2436 | TParticle* particle = stack->Particle(label); | |
2437 | if (!particle) return kFALSE; | |
2438 | ||
2439 | if(particle && particle->GetPDG() && particle->GetPDG()->Charge()!=0) | |
2440 | { | |
234cae2f | 2441 | Int_t mech = particle->GetUniqueID(); // production mechanism |
2442 | Bool_t isPrim = stack->IsPhysicalPrimary(label); | |
c683985a | 2443 | |
234cae2f | 2444 | Int_t motherLabel = TMath::Abs(particle->GetMother(0)); |
2445 | if (motherLabel>=mcStackSize) return kFALSE; | |
2446 | TParticle* mother = stack->Particle(motherLabel); | |
2447 | if(mother) { | |
2448 | Int_t motherPdg = mother->GetPdgCode(); | |
c683985a | 2449 | |
234cae2f | 2450 | if(!isPrim && mech==5 && motherPdg==kGamma) { |
2451 | isFromConversion=kTRUE; | |
2452 | } | |
2453 | } | |
c683985a | 2454 | } |
2455 | } | |
2456 | ||
2457 | return isFromConversion; | |
2458 | } | |
2459 | ||
2460 | //_____________________________________________________________________________ | |
34e8fe1d | 2461 | Bool_t AliAnalysisTaskFilteredTree::IsFromMaterial(Int_t label, AliStack *const stack) |
c683985a | 2462 | { |
2463 | Bool_t isFromMaterial = kFALSE; | |
2464 | ||
2465 | if(stack) { | |
2466 | Int_t mcStackSize=stack->GetNtrack(); | |
2467 | if (label>=mcStackSize) return kFALSE; | |
2468 | TParticle* particle = stack->Particle(label); | |
2469 | if (!particle) return kFALSE; | |
2470 | ||
2471 | if(particle && particle->GetPDG() && particle->GetPDG()->Charge()!=0) | |
2472 | { | |
234cae2f | 2473 | Int_t mech = particle->GetUniqueID(); // production mechanism |
2474 | Bool_t isPrim = stack->IsPhysicalPrimary(label); | |
2475 | ||
2476 | Int_t motherLabel = TMath::Abs(particle->GetMother(0)); | |
2477 | if (motherLabel>=mcStackSize) return kFALSE; | |
2478 | TParticle* mother = stack->Particle(motherLabel); | |
2479 | if(mother) { | |
2480 | if(!isPrim && mech==13) { | |
2481 | isFromMaterial=kTRUE; | |
2482 | } | |
2483 | } | |
2484 | } | |
c683985a | 2485 | } |
2486 | ||
2487 | return isFromMaterial; | |
2488 | } | |
2489 | ||
2490 | //_____________________________________________________________________________ | |
34e8fe1d | 2491 | Bool_t AliAnalysisTaskFilteredTree::IsFromStrangeness(Int_t label, AliStack *const stack) |
c683985a | 2492 | { |
2493 | Bool_t isFromStrangeness = kFALSE; | |
2494 | ||
2495 | if(stack) { | |
2496 | Int_t mcStackSize=stack->GetNtrack(); | |
2497 | if (label>=mcStackSize) return kFALSE; | |
2498 | TParticle* particle = stack->Particle(label); | |
2499 | if (!particle) return kFALSE; | |
2500 | ||
2501 | if(particle && particle->GetPDG() && particle->GetPDG()->Charge()!=0) | |
2502 | { | |
234cae2f | 2503 | Int_t mech = particle->GetUniqueID(); // production mechanism |
2504 | Bool_t isPrim = stack->IsPhysicalPrimary(label); | |
2505 | ||
2506 | Int_t motherLabel = TMath::Abs(particle->GetMother(0)); | |
2507 | if (motherLabel>=mcStackSize) return kFALSE; | |
2508 | TParticle* mother = stack->Particle(motherLabel); | |
2509 | if(mother) { | |
2510 | Int_t motherPdg = mother->GetPdgCode(); | |
2511 | ||
2512 | // K+-, lambda, antilambda, K0s decays | |
2513 | if(!isPrim && mech==4 && | |
2514 | (TMath::Abs(motherPdg)==kKPlus || TMath::Abs(motherPdg)==kLambda0 || motherPdg==kK0Short)) | |
2515 | { | |
2516 | isFromStrangeness = kTRUE; | |
2517 | } | |
2518 | } | |
c683985a | 2519 | } |
2520 | } | |
2521 | ||
2522 | return isFromStrangeness; | |
2523 | } | |
2524 | ||
2525 | ||
2526 | //_____________________________________________________________________________ | |
2527 | void AliAnalysisTaskFilteredTree::FinishTaskOutput() | |
2528 | { | |
2529 | // | |
2530 | // Called one at the end | |
2531 | // locally on working node | |
2532 | // | |
2533 | ||
2534 | //// must be deleted to store trees | |
2535 | //if(fTreeSRedirector) delete fTreeSRedirector; fTreeSRedirector=0; | |
2536 | ||
2537 | //// open temporary file and copy trees to the ouptut container | |
2538 | ||
2539 | //TChain* chain = 0; | |
2540 | //// | |
2541 | //chain = new TChain("highPt"); | |
2542 | //if(chain) { | |
2543 | // chain->Add("jotwinow_Temp_Trees.root"); | |
2544 | // fHighPtTree = chain->CopyTree("1"); | |
2545 | // delete chain; chain=0; | |
2546 | //} | |
2547 | //if(fHighPtTree) fHighPtTree->Print(); | |
2548 | ||
2549 | //// | |
2550 | //chain = new TChain("V0s"); | |
2551 | //if(chain) { | |
2552 | // chain->Add("jotwinow_Temp_Trees.root"); | |
2553 | // fV0Tree = chain->CopyTree("1"); | |
2554 | // delete chain; chain=0; | |
2555 | //} | |
2556 | //if(fV0Tree) fV0Tree->Print(); | |
2557 | ||
2558 | //// | |
2559 | //chain = new TChain("dEdx"); | |
2560 | //if(chain) { | |
2561 | // chain->Add("jotwinow_Temp_Trees.root"); | |
2562 | // fdEdxTree = chain->CopyTree("1"); | |
2563 | // delete chain; chain=0; | |
2564 | //} | |
2565 | //if(fdEdxTree) fdEdxTree->Print(); | |
2566 | ||
2567 | //// | |
2568 | //chain = new TChain("Laser"); | |
2569 | //if(chain) { | |
2570 | // chain->Add("jotwinow_Temp_Trees.root"); | |
2571 | // fLaserTree = chain->CopyTree("1"); | |
2572 | // delete chain; chain=0; | |
2573 | //} | |
2574 | //if(fLaserTree) fLaserTree->Print(); | |
2575 | ||
2576 | //// | |
2577 | //chain = new TChain("MCEffTree"); | |
2578 | //if(chain) { | |
2579 | // chain->Add("jotwinow_Temp_Trees.root"); | |
2580 | // fMCEffTree = chain->CopyTree("1"); | |
2581 | // delete chain; chain=0; | |
2582 | //} | |
2583 | //if(fMCEffTree) fMCEffTree->Print(); | |
2584 | ||
2585 | //// | |
2586 | //chain = new TChain("CosmicPairs"); | |
2587 | //if(chain) { | |
2588 | // chain->Add("jotwinow_Temp_Trees.root"); | |
2589 | // fCosmicPairsTree = chain->CopyTree("1"); | |
2590 | // delete chain; chain=0; | |
2591 | //} | |
2592 | //if(fCosmicPairsTree) fCosmicPairsTree->Print(); | |
2593 | ||
2594 | Bool_t deleteTrees=kTRUE; | |
2595 | if ((AliAnalysisManager::GetAnalysisManager())) | |
2596 | { | |
2597 | if (AliAnalysisManager::GetAnalysisManager()->GetAnalysisType() == | |
234cae2f | 2598 | AliAnalysisManager::kProofAnalysis) |
c683985a | 2599 | deleteTrees=kFALSE; |
2600 | } | |
2601 | if (deleteTrees) delete fTreeSRedirector; | |
2602 | fTreeSRedirector=NULL; | |
2603 | ||
2604 | //OpenFile(1); | |
2605 | ||
2606 | // Post output data. | |
2607 | //PostData(1, fHighPtTree); | |
2608 | //PostData(2, fV0Tree); | |
2609 | //PostData(3, fdEdxTree); | |
2610 | //PostData(4, fLaserTree); | |
2611 | //PostData(5, fMCEffTree); | |
2612 | //PostData(6, fCosmicPairsTree); | |
2613 | } | |
2614 | ||
2615 | //_____________________________________________________________________________ | |
2616 | void AliAnalysisTaskFilteredTree::Terminate(Option_t *) | |
2617 | { | |
2618 | // Called one at the end | |
2619 | /* | |
234cae2f | 2620 | fOutputSummary = dynamic_cast<TTree*> (GetOutputData(1)); |
2621 | if(fOutputSummary) delete fOutputSummary; fOutputSummary=0; | |
2622 | TChain* chain = new TChain("highPt"); | |
2623 | if(!chain) return; | |
2624 | chain->Add("jotwinow_HighPt_TrackAndV0_Trees.root"); | |
2625 | TTree *tree = chain->CopyTree("1"); | |
2626 | if (chain) { delete chain; chain=0; } | |
2627 | if(!tree) return; | |
2628 | tree->Print(); | |
2629 | fOutputSummary = tree; | |
2630 | ||
2631 | if (!fOutputSummary) { | |
2632 | Printf("ERROR: AliAnalysisTaskFilteredTree::Terminate(): Output data not avaiable %p \n", GetOutputData(1)); | |
2633 | return; | |
2634 | } | |
2635 | */ | |
2636 | ||
c683985a | 2637 | } |
2638 | ||
2639 | //_____________________________________________________________________________ | |
2640 | Int_t AliAnalysisTaskFilteredTree::GetMCTrueTrackMult(AliMCEvent *const mcEvent, AliFilteredTreeEventCuts *const evtCuts, AliFilteredTreeAcceptanceCuts *const accCuts) | |
2641 | { | |
2642 | // | |
2643 | // calculate mc event true track multiplicity | |
2644 | // | |
2645 | if(!mcEvent) return 0; | |
2646 | ||
2647 | AliStack* stack = 0; | |
2648 | Int_t mult = 0; | |
2649 | ||
2650 | // MC particle stack | |
2651 | stack = mcEvent->Stack(); | |
2652 | if (!stack) return 0; | |
2653 | ||
2654 | // | |
2655 | //printf("minZv %f, maxZv %f \n", evtCuts->GetMinZv(), evtCuts->GetMaxZv()); | |
2656 | // | |
2657 | ||
2658 | Bool_t isEventOK = evtCuts->AcceptMCEvent(mcEvent); | |
2659 | if(!isEventOK) return 0; | |
2660 | ||
2661 | Int_t nPart = stack->GetNtrack(); | |
2662 | for (Int_t iMc = 0; iMc < nPart; ++iMc) | |
2663 | { | |
234cae2f | 2664 | TParticle* particle = stack->Particle(iMc); |
2665 | if (!particle) | |
2666 | continue; | |
2667 | ||
2668 | // only charged particles | |
2669 | if(!particle->GetPDG()) continue; | |
2670 | Double_t charge = particle->GetPDG()->Charge()/3.; | |
2671 | if (TMath::Abs(charge) < 0.001) | |
2672 | continue; | |
2673 | ||
2674 | // physical primary | |
2675 | Bool_t prim = stack->IsPhysicalPrimary(iMc); | |
2676 | if(!prim) continue; | |
2677 | ||
2678 | // checked accepted without pt cut | |
2679 | //if(accCuts->AcceptTrack(particle)) | |
2680 | if( particle->Eta() > accCuts->GetMinEta() && particle->Eta() < accCuts->GetMaxEta() ) | |
2681 | { | |
2682 | mult++; | |
2683 | } | |
c683985a | 2684 | } |
2685 | ||
234cae2f | 2686 | return mult; |
c683985a | 2687 | } |
2688 | ||
2689 | //_____________________________________________________________________________ | |
34e8fe1d | 2690 | void AliAnalysisTaskFilteredTree::FillHistograms(AliESDtrack* const ptrack, AliExternalTrackParam* const ptpcInnerC, Double_t centralityF, Double_t chi2TPCInnerC) |
c683985a | 2691 | { |
234cae2f | 2692 | // |
2693 | // Fill pT relative resolution histograms for | |
2694 | // TPC only, TPC only constrained to vertex and TPC+ITS tracking | |
2695 | // | |
2696 | if(!ptrack) return; | |
2697 | if(!ptpcInnerC) return; | |
2698 | ||
2699 | const AliExternalTrackParam * innerParam = (AliExternalTrackParam *) ptrack->GetInnerParam(); | |
2700 | if(!innerParam) return; | |
2701 | ||
2702 | Float_t dxy, dz; | |
2703 | ptrack->GetImpactParameters(dxy,dz); | |
2704 | ||
2705 | // TPC+ITS primary tracks | |
2706 | if( abs(ptrack->Eta())<0.8 && | |
2707 | ptrack->GetTPCClusterInfo(3,1)>120 && | |
2708 | ptrack->IsOn(0x40) && | |
2709 | ptrack->GetTPCclusters(0)>0.0 && | |
2710 | ptrack->GetTPCnclsS()/ptrack->GetTPCclusters(0)<0.4 && | |
2711 | //abs(innerParam->GetX())>0.0 && | |
2712 | //abs(innerParam->GetY()/innerParam->GetX())<0.14 && | |
2713 | //abs(innerParam->GetTgl())<0.85 && | |
2714 | ptrack->IsOn(0x0004) && | |
2715 | ptrack->GetNcls(0)>0 && | |
2716 | ptrack->GetITSchi2()>0 && | |
2717 | sqrt(ptrack->GetITSchi2()/ptrack->GetNcls(0))<6 && | |
2718 | sqrt(chi2TPCInnerC)<6 && | |
2719 | (ptrack->HasPointOnITSLayer(0) || ptrack->HasPointOnITSLayer(1)) && | |
2720 | abs(dz)<2.0 && | |
2721 | abs(dxy)<(0.018+0.035*abs(ptrack->GetSigned1Pt())) ) | |
2722 | { | |
2723 | fPtResPhiPtTPCITS->Fill(ptrack->Pt(),ptrack->Phi(),1./abs(ptrack->GetSigned1Pt())*TMath::Sqrt(ptrack->GetSigma1Pt2())); | |
2724 | fPtResEtaPtTPCITS->Fill(ptrack->Pt(),ptrack->Eta(),1./abs(ptrack->GetSigned1Pt())*TMath::Sqrt(ptrack->GetSigma1Pt2())); | |
2725 | fPtResCentPtTPCITS->Fill(ptrack->Pt(),centralityF,1./abs(ptrack->GetSigned1Pt())*TMath::Sqrt(ptrack->GetSigma1Pt2())); | |
2726 | } | |
c683985a | 2727 | |
234cae2f | 2728 | // TPC primary tracks |
2729 | // and TPC constrained primary tracks | |
c683985a | 2730 | |
234cae2f | 2731 | AliExternalTrackParam *ptpcInner = (AliExternalTrackParam *) ptrack->GetTPCInnerParam(); |
2732 | if(!ptpcInner) return; | |
c683985a | 2733 | |
2734 | ||
234cae2f | 2735 | Float_t dxyTPC, dzTPC; |
2736 | ptrack->GetImpactParametersTPC(dxyTPC,dzTPC); | |
c683985a | 2737 | |
234cae2f | 2738 | if( abs(ptrack->Eta())<0.8 && |
2739 | ptrack->GetTPCClusterInfo(3,1)>120 && | |
2740 | ptrack->IsOn(0x40)&& | |
2741 | ptrack->GetTPCclusters(0)>0.0 && | |
2742 | ptrack->GetTPCnclsS()/ptrack->GetTPCclusters(0)<0.4 && | |
2743 | //abs(innerParam->GetX())>0.0 && | |
2744 | //abs(innerParam->GetY()/innerParam->GetX())<0.14 && | |
2745 | //abs(innerParam->GetTgl())<0.85 && | |
2746 | abs(dzTPC)<3.2 && | |
2747 | abs(dxyTPC)<2.4 ) | |
2748 | { | |
2749 | // TPC only | |
2750 | fPtResPhiPtTPC->Fill(ptpcInner->Pt(),ptpcInner->Phi(),1./abs(ptpcInner->GetSigned1Pt())*TMath::Sqrt(ptpcInner->GetSigma1Pt2())); | |
2751 | fPtResEtaPtTPC->Fill(ptpcInner->Pt(),ptpcInner->Eta(),1./abs(ptpcInner->GetSigned1Pt())*TMath::Sqrt(ptpcInner->GetSigma1Pt2())); | |
2752 | fPtResCentPtTPC->Fill(ptpcInner->Pt(),centralityF,1./abs(ptpcInner->GetSigned1Pt())*TMath::Sqrt(ptpcInner->GetSigma1Pt2())); | |
2753 | ||
2754 | // TPC constrained to vertex | |
2755 | fPtResPhiPtTPCc->Fill(ptpcInnerC->Pt(),ptpcInnerC->Phi(),1./abs(ptpcInnerC->GetSigned1Pt())*TMath::Sqrt(ptpcInnerC->GetSigma1Pt2())); | |
2756 | fPtResEtaPtTPCc->Fill(ptpcInnerC->Pt(),ptpcInnerC->Eta(),1./abs(ptpcInnerC->GetSigned1Pt())*TMath::Sqrt(ptpcInnerC->GetSigma1Pt2())); | |
2757 | fPtResCentPtTPCc->Fill(ptpcInnerC->Pt(),centralityF,1./abs(ptpcInnerC->GetSigned1Pt())*TMath::Sqrt(ptpcInnerC->GetSigma1Pt2())); | |
2758 | } | |
c683985a | 2759 | } |
caef4d04 | 2760 | |
2761 | ||
2762 | void AliAnalysisTaskFilteredTree::ProcessITSTPCmatchOut(AliESDEvent *const esdEvent, AliESDfriend *const esdFriend){ | |
2763 | // | |
2764 | // Process ITS standalone tracks find match with closest TPC(or combined tracks) tracks | |
2765 | // marian.ivanov@cern.ch | |
2766 | // 0.) Init variables | |
2767 | // 1.) GetTrack parameters at TPC inner wall | |
2768 | // 2.) Match closest TPC track (STANDALONE/global) - chi2 match criteria | |
2769 | // | |
2770 | // Logic to be used in reco: | |
2771 | // 1.) Find matching ITSalone->TPCalone | |
2772 | // 2.) if (!TPCalone.FindClose(TPCother)) TPCalone.Addopt(ITSalone) | |
2773 | // 3.) ff ((ITSalone.FindClose(Global)==0) CreateGlobaltrack | |
2774 | const Double_t radiusMatch=84.; // redius to propagate | |
2775 | // | |
2776 | const Double_t dFastPhiCut=0.2; // 6 sigma (200 MeV) fast angular cut | |
2777 | const Double_t dFastThetaCut=0.12; // 6 sigma (200 MeV) fast angular cut | |
2778 | const Double_t dFastPosPhiCut=0.06; // 6 sigma (200 MeV) fast angular cut | |
2779 | const Double_t dFastZCut=6; // 6 sigma (200 MeV) fast z difference cut | |
2780 | const Double_t dFastPtCut=2.; // 6 sigma (200 MeV) fast 1/pt cut | |
2781 | const Double_t chi2Cut=100; // chi2 matching cut | |
2782 | // | |
2783 | if (!esdFriend) return; // not ITS standalone track | |
2784 | if (esdFriend->TestSkipBit()) return; // friends tracks not stored | |
2785 | Int_t ntracks=esdEvent->GetNumberOfTracks(); | |
2786 | Float_t bz = esdEvent->GetMagneticField(); | |
2787 | // | |
2788 | // 0.) Get parameters in reference radius TPC Inner wall | |
2789 | // | |
2790 | // | |
2791 | TMatrixD vecPosR0(ntracks,6); // possition and momentum estimate at reference radius | |
2792 | TMatrixD vecMomR0(ntracks,6); // | |
2793 | TMatrixD vecPosR1(ntracks,6); // possition and momentum estimate at reference radius TPC track | |
2794 | TMatrixD vecMomR1(ntracks,6); // | |
2795 | Double_t xyz[3], pxyz[3]; // | |
2796 | for (Int_t iTrack=0; iTrack<ntracks; iTrack++){ | |
2797 | AliESDtrack *track = esdEvent->GetTrack(iTrack); | |
2798 | if(!track) continue; | |
2799 | if (track->GetInnerParam()){ | |
2800 | const AliExternalTrackParam *trackTPC=track->GetInnerParam(); | |
2801 | trackTPC->GetXYZAt(radiusMatch,bz,xyz); | |
2802 | trackTPC->GetPxPyPzAt(radiusMatch,bz,pxyz); | |
2803 | for (Int_t i=0; i<3; i++){ | |
2804 | vecPosR1(iTrack,i)=xyz[i]; | |
2805 | vecMomR1(iTrack,i)=pxyz[i]; | |
2806 | } | |
2807 | vecPosR1(iTrack,3)= TMath::ATan2(xyz[1],xyz[0]); // phi pos angle | |
2808 | vecMomR1(iTrack,3)= TMath::ATan2(pxyz[1],pxyz[0]); // phi mom angle | |
2809 | vecMomR1(iTrack,4)= trackTPC->GetSigned1Pt();; | |
2810 | vecMomR1(iTrack,5)= trackTPC->GetTgl();; | |
2811 | } | |
2812 | AliESDfriendTrack* friendTrack=esdFriend->GetTrack(iTrack); | |
2813 | if(!friendTrack) continue; | |
2814 | if (friendTrack->GetITSOut()){ | |
2815 | const AliExternalTrackParam *trackITS=friendTrack->GetITSOut(); | |
2816 | trackITS->GetXYZAt(radiusMatch,bz,xyz); | |
2817 | trackITS->GetPxPyPzAt(radiusMatch,bz,pxyz); | |
2818 | for (Int_t i=0; i<3; i++){ | |
2819 | vecPosR0(iTrack,i)=xyz[i]; | |
2820 | vecMomR0(iTrack,i)=pxyz[i]; | |
2821 | } | |
2822 | vecPosR0(iTrack,3)= TMath::ATan2(xyz[1],xyz[0]); | |
2823 | vecMomR0(iTrack,3)= TMath::ATan2(pxyz[1],pxyz[0]); | |
2824 | vecMomR0(iTrack,4)= trackITS->GetSigned1Pt();; | |
2825 | vecMomR0(iTrack,5)= trackITS->GetTgl();; | |
2826 | } | |
2827 | } | |
2828 | // | |
2829 | // 1.) Find closest matching tracks, between the ITS standalone track | |
2830 | // and the all other tracks | |
2831 | // a.) caltegory - All | |
2832 | // b.) category - without ITS | |
2833 | // | |
2834 | // | |
2835 | Int_t ntracksPropagated=0; | |
2836 | AliExternalTrackParam extTrackDummy; | |
2837 | AliESDtrack esdTrackDummy; | |
2838 | AliExternalTrackParam itsAtTPC; | |
2839 | AliExternalTrackParam itsAtITSTPC; | |
2840 | for (Int_t iTrack0=0; iTrack0<ntracks; iTrack0++){ | |
2841 | AliESDtrack *track0 = esdEvent->GetTrack(iTrack0); | |
2842 | if(!track0) continue; | |
2843 | if (track0->IsOn(AliVTrack::kTPCin)) continue; | |
2844 | AliESDfriendTrack* friendTrack0=esdFriend->GetTrack(iTrack0); | |
2845 | if (!friendTrack0) continue; | |
2846 | //if (!track0->IsOn(AliVTrack::kITSpureSA)) continue; | |
2847 | //if (!friendTrack0->GetITSOut()) continue; // is there flag for ITS standalone? | |
2848 | ntracksPropagated++; | |
2849 | // | |
2850 | // 2.) find clostest TPCtrack | |
2851 | // a.) all tracks | |
2852 | Double_t minChi2All=10000000; | |
2853 | Double_t minChi2TPC=10000000; | |
2854 | Double_t minChi2TPCITS=10000000; | |
2855 | Int_t indexAll=-1; | |
2856 | Int_t indexTPC=-1; | |
2857 | Int_t indexTPCITS=-1; | |
2858 | Int_t ncandidates0=0; // n candidates - rough cut | |
2859 | Int_t ncandidates1=0; // n candidates - rough + chi2 cut | |
2860 | itsAtTPC=*(friendTrack0->GetITSOut()); | |
2861 | itsAtITSTPC=*(friendTrack0->GetITSOut()); | |
2862 | for (Int_t iTrack1=0; iTrack1<ntracks; iTrack1++){ | |
2863 | AliESDtrack *track1 = esdEvent->GetTrack(iTrack1); | |
2864 | if(!track1) continue; | |
2865 | if (!track1->IsOn(AliVTrack::kTPCin)) continue; | |
2866 | // fast checks | |
2867 | // | |
2868 | if (TMath::Abs(vecPosR1(iTrack1,2)-vecPosR0(iTrack0,2))>dFastZCut) continue; | |
2869 | if (TMath::Abs(vecPosR1(iTrack1,3)-vecPosR0(iTrack0,3))>dFastPosPhiCut) continue; | |
2870 | if (TMath::Abs(vecMomR1(iTrack1,3)-vecMomR0(iTrack0,3))>dFastPhiCut) continue; | |
2871 | if (TMath::Abs(vecMomR1(iTrack1,5)-vecMomR0(iTrack0,5))>dFastThetaCut) continue; | |
2872 | if (TMath::Abs(vecMomR1(iTrack1,4)-vecMomR0(iTrack0,4))>dFastPtCut) continue; | |
2873 | ncandidates0++; | |
2874 | // | |
2875 | const AliExternalTrackParam * param1= track1->GetInnerParam(); | |
2876 | if (!friendTrack0->GetITSOut()) continue; | |
2877 | AliExternalTrackParam outerITS = *(friendTrack0->GetITSOut()); | |
2878 | if (!outerITS.Rotate(param1->GetAlpha())) continue; | |
2879 | if (!outerITS.PropagateTo(param1->GetX(),bz)) continue; // assume track close to the TPC inner wall | |
2880 | Double_t chi2 = outerITS.GetPredictedChi2(param1); | |
2881 | if (chi2>chi2Cut) continue; | |
2882 | ncandidates1++; | |
2883 | if (chi2<minChi2All){ | |
2884 | minChi2All=chi2; | |
2885 | indexAll=iTrack1; | |
2886 | } | |
2887 | if (chi2<minChi2TPC && track1->IsOn(AliVTrack::kITSin)==0){ | |
2888 | minChi2TPC=chi2; | |
2889 | indexTPC=iTrack1; | |
2890 | itsAtTPC=outerITS; | |
2891 | } | |
2892 | if (chi2<minChi2TPCITS && track1->IsOn(AliVTrack::kITSin)){ | |
2893 | minChi2TPCITS=chi2; | |
2894 | indexTPCITS=iTrack1; | |
2895 | itsAtITSTPC=outerITS; | |
2896 | } | |
2897 | } | |
2898 | // | |
2899 | AliESDtrack * trackAll= (indexAll>=0)? esdEvent->GetTrack(indexAll):&esdTrackDummy; | |
2900 | AliESDtrack * trackTPC= (indexTPC>=0)? esdEvent->GetTrack(indexTPC):&esdTrackDummy; | |
2901 | AliESDtrack * trackTPCITS= (indexTPCITS>=0)? esdEvent->GetTrack(indexTPCITS):&esdTrackDummy; | |
2902 | (*fTreeSRedirector)<<"itsTPC"<< | |
2903 | "indexAll="<<indexAll<< // index of closest track (chi2) | |
2904 | "indexTPC="<<indexTPC<< // index of closest TPCalone tracks | |
2905 | "indexTPCITS="<<indexTPCITS<< // index of closest cobined tracks | |
2906 | "ncandidates0="<<ncandidates0<< // number of candidates | |
2907 | "ncandidates1="<<ncandidates1<< | |
2908 | // | |
2909 | "chi2All="<<minChi2All<< // chi2 of closest tracks | |
2910 | "chi2TPC="<<minChi2TPC<< | |
2911 | "chi2TPCITS="<<minChi2TPCITS<< | |
2912 | // | |
2913 | "track0.="<<track0<< // ITS standalone tracks | |
2914 | "trackAll.="<<trackAll<< // Closets other track | |
2915 | "trackTPC.="<<trackTPC<< // Closest TPC only track | |
2916 | "trackTPCITS.="<<trackTPCITS<< // closest combined track | |
2917 | // | |
2918 | "itsAtTPC.="<<&itsAtTPC<< // ITS track parameters at the TPC alone track frame | |
2919 | "itsAtITSTPC.="<<&itsAtITSTPC<< // ITS track parameters at the TPC combeined track frame | |
2920 | "\n"; | |
2921 | } | |
2922 | } | |
2923 | ||
2924 | //void AliAnalysisTaskFilteredTree::ProcessTrackMatch(AliESDEvent *const esdEvent, AliESDfriend *const esdFriend){ | |
2925 | /* | |
2926 | ||
2927 | Track categories: | |
2928 | TPC+ITS | |
2929 | TPC only | |
2930 | ITS only | |
2931 | ||
2932 | Options: | |
2933 | -OK | |
2934 | -Multiple found (check overlap factor) | |
2935 | -Kink decays - change of direction | |
2936 | ||
2937 | To make - matrix closest tracks from each categories | |
2938 | Characterization - chi2, index, overlap ratio | |
2939 | ||
2940 | New features: | |
2941 | 1.) if (TPConly && !(TPC+ITS) && ITSonly match ) TPCOnly.addoptITS | |
2942 | 2.) if (ITSonly && !(TPC+ITS)) (TPC+ITS).createConbined | |
2943 | 3.) Overlap tracks - doUnfold | |
2944 | ||
2945 | */ |