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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" | |
c683985a | 18 | #include <TPDGCode.h> |
19 | #include <TDatabasePDG.h> | |
20 | ||
21 | #include "TChain.h" | |
22 | #include "TTreeStream.h" | |
23 | #include "TTree.h" | |
24 | #include "TH1F.h" | |
25 | #include "TH3.h" | |
26 | #include "TCanvas.h" | |
27 | #include "TList.h" | |
28 | #include "TObjArray.h" | |
29 | #include "TFile.h" | |
30 | #include "TMatrixD.h" | |
31 | #include "TRandom3.h" | |
32 | ||
33 | #include "AliHeader.h" | |
34 | #include "AliGenEventHeader.h" | |
35 | #include "AliInputEventHandler.h" | |
36 | #include "AliStack.h" | |
37 | #include "AliTrackReference.h" | |
2e16763c | 38 | #include "AliTrackPointArray.h" |
39 | #include "AliSysInfo.h" | |
c683985a | 40 | |
41 | #include "AliPhysicsSelection.h" | |
42 | #include "AliAnalysisTask.h" | |
43 | #include "AliAnalysisManager.h" | |
44 | #include "AliESDEvent.h" | |
45 | #include "AliESDfriend.h" | |
46 | #include "AliMCEvent.h" | |
47 | #include "AliESDInputHandler.h" | |
48 | #include "AliESDVertex.h" | |
49 | #include "AliTracker.h" | |
50 | #include "AliVTrack.h" | |
51 | #include "AliGeomManager.h" | |
52 | ||
53 | #include "AliCentrality.h" | |
54 | #include "AliESDVZERO.h" | |
55 | #include "AliMultiplicity.h" | |
56 | ||
57 | #include "AliESDtrackCuts.h" | |
58 | #include "AliMCEventHandler.h" | |
59 | #include "AliFilteredTreeEventCuts.h" | |
60 | #include "AliFilteredTreeAcceptanceCuts.h" | |
61 | ||
62 | #include "AliAnalysisTaskFilteredTree.h" | |
63 | #include "AliKFParticle.h" | |
64 | #include "AliESDv0.h" | |
65 | #include "TVectorD.h" | |
66 | ||
67 | using namespace std; | |
68 | ||
69 | ClassImp(AliAnalysisTaskFilteredTree) | |
70 | ||
234cae2f | 71 | //_____________________________________________________________________________ |
72 | AliAnalysisTaskFilteredTree::AliAnalysisTaskFilteredTree(const char *name) | |
c683985a | 73 | : AliAnalysisTaskSE(name) |
74 | , fESD(0) | |
75 | , fMC(0) | |
76 | , fESDfriend(0) | |
77 | , fOutput(0) | |
78 | , fPitList(0) | |
79 | , fUseMCInfo(kFALSE) | |
80 | , fUseESDfriends(kFALSE) | |
81 | , fReducePileUp(kTRUE) | |
82 | , fFillTree(kTRUE) | |
83 | , fFilteredTreeEventCuts(0) | |
84 | , fFilteredTreeAcceptanceCuts(0) | |
85 | , fFilteredTreeRecAcceptanceCuts(0) | |
86 | , fEsdTrackCuts(0) | |
87 | , fTrigger(AliTriggerAnalysis::kMB1) | |
88 | , fAnalysisMode(kTPCAnalysisMode) | |
89 | , fTreeSRedirector(0) | |
90 | , fCentralityEstimator(0) | |
91 | , fLowPtTrackDownscaligF(0) | |
92 | , fLowPtV0DownscaligF(0) | |
b4990577 | 93 | , fFriendDownscaling(-3.) |
c683985a | 94 | , fProcessAll(kFALSE) |
95 | , fProcessCosmics(kFALSE) | |
4a00e62d | 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) |
2e16763c | 112 | , fDummyTrack(0) |
c683985a | 113 | { |
114 | // Constructor | |
115 | ||
116 | // Define input and output slots here | |
117 | DefineOutput(1, TTree::Class()); | |
118 | DefineOutput(2, TTree::Class()); | |
119 | DefineOutput(3, TTree::Class()); | |
120 | DefineOutput(4, TTree::Class()); | |
121 | DefineOutput(5, TTree::Class()); | |
122 | DefineOutput(6, TTree::Class()); | |
123 | DefineOutput(7, TList::Class()); | |
124 | } | |
125 | ||
126 | //_____________________________________________________________________________ | |
127 | AliAnalysisTaskFilteredTree::~AliAnalysisTaskFilteredTree() | |
128 | { | |
129 | //the output trees not to be deleted in case of proof analysis | |
130 | //Bool_t deleteTrees=kTRUE; | |
131 | //if ((AliAnalysisManager::GetAnalysisManager())) | |
132 | //{ | |
133 | // if (AliAnalysisManager::GetAnalysisManager()->GetAnalysisType() == | |
134 | // AliAnalysisManager::kProofAnalysis) | |
135 | // deleteTrees=kFALSE; | |
136 | //} | |
137 | //if (deleteTrees) delete fTreeSRedirector; | |
138 | ||
139 | delete fFilteredTreeEventCuts; | |
140 | delete fFilteredTreeAcceptanceCuts; | |
141 | delete fFilteredTreeRecAcceptanceCuts; | |
142 | delete fEsdTrackCuts; | |
143 | } | |
144 | ||
145 | //____________________________________________________________________________ | |
146 | Bool_t AliAnalysisTaskFilteredTree::Notify() | |
147 | { | |
148 | static Int_t count = 0; | |
149 | count++; | |
150 | TTree *chain = (TChain*)GetInputData(0); | |
151 | if(chain) | |
152 | { | |
153 | Printf("Processing %d. file: %s", count, chain->GetCurrentFile()->GetName()); | |
154 | } | |
155 | ||
b55a470b | 156 | return kTRUE; |
c683985a | 157 | } |
158 | ||
159 | //_____________________________________________________________________________ | |
160 | void AliAnalysisTaskFilteredTree::UserCreateOutputObjects() | |
161 | { | |
162 | // Create histograms | |
163 | // Called once | |
164 | ||
165 | // | |
166 | //get the output file to make sure the trees will be associated to it | |
167 | OpenFile(1); | |
168 | fTreeSRedirector = new TTreeSRedirector(); | |
234cae2f | 169 | |
c683985a | 170 | // |
171 | // Create trees | |
172 | fV0Tree = ((*fTreeSRedirector)<<"V0s").GetTree(); | |
173 | fHighPtTree = ((*fTreeSRedirector)<<"highPt").GetTree(); | |
174 | fdEdxTree = ((*fTreeSRedirector)<<"dEdx").GetTree(); | |
175 | fLaserTree = ((*fTreeSRedirector)<<"Laser").GetTree(); | |
176 | fMCEffTree = ((*fTreeSRedirector)<<"MCEffTree").GetTree(); | |
177 | fCosmicPairsTree = ((*fTreeSRedirector)<<"CosmicPairs").GetTree(); | |
178 | ||
82522b46 | 179 | if (!fDummyTrack) { |
2e16763c | 180 | fDummyTrack=new AliESDtrack(); |
181 | } | |
c683985a | 182 | |
183 | // histogram booking | |
184 | ||
185 | Double_t minPt = 0.1; | |
186 | Double_t maxPt = 100.; | |
187 | Int_t nbinsPt = 30; | |
188 | ||
189 | Double_t logminPt = TMath::Log10(minPt); | |
190 | Double_t logmaxPt = TMath::Log10(maxPt); | |
191 | Double_t binwidth = (logmaxPt-logminPt)/nbinsPt; | |
192 | Double_t *binsPt = new Double_t[nbinsPt+1]; | |
193 | binsPt[0] = minPt; | |
194 | for (Int_t i=1;i<=nbinsPt;i++) { | |
195 | binsPt[i] = minPt + TMath::Power(10,logminPt+i*binwidth); | |
196 | } | |
197 | ||
198 | // 1pT resol cov matrix bins | |
199 | Double_t min1PtRes = 0.; | |
200 | Double_t max1PtRes = 0.3; | |
201 | Int_t nbins1PtRes = 300; | |
202 | Double_t bins1PtRes[301]; | |
203 | for (Int_t i=0;i<=nbins1PtRes;i++) { | |
204 | bins1PtRes[i] = min1PtRes + i*(max1PtRes-min1PtRes)/nbins1PtRes; | |
205 | } | |
206 | ||
207 | // phi bins | |
208 | Double_t minPhi = 0.; | |
209 | Double_t maxPhi = 6.5; | |
210 | Int_t nbinsPhi = 100; | |
211 | Double_t binsPhi[101]; | |
234cae2f | 212 | for (Int_t i=0;i<=nbinsPhi;i++) { |
c683985a | 213 | binsPhi[i] = minPhi + i*(maxPhi-minPhi)/nbinsPhi; |
214 | } | |
215 | ||
216 | // eta bins | |
217 | Double_t minEta = -1.; | |
218 | Double_t maxEta = 1.; | |
219 | Int_t nbinsEta = 20; | |
220 | Double_t binsEta[21]; | |
221 | for (Int_t i=0;i<=nbinsEta;i++) { | |
222 | binsEta[i] = minEta + i*(maxEta-minEta)/nbinsEta; | |
223 | } | |
224 | ||
225 | // mult bins | |
226 | Double_t minCent = 0.; | |
227 | Double_t maxCent = 100; | |
228 | Int_t nbinsCent = 20; | |
229 | Double_t binsCent[101]; | |
230 | for (Int_t i=0;i<=nbinsCent;i++) { | |
231 | binsCent[i] = minCent + i*(maxCent-minCent)/nbinsCent; | |
232 | } | |
234cae2f | 233 | |
c683985a | 234 | fPtResPhiPtTPC = new TH3D("fPtResPhiPtTPC","pt rel. resolution from cov. matrix TPC tracks",nbinsPt,binsPt,nbinsPhi,binsPhi,nbins1PtRes,bins1PtRes); |
235 | fPtResPhiPtTPCc = new TH3D("fPtResPhiPtTPCc","pt rel. resolution from cov. matrix TPC constrained tracks",nbinsPt,binsPt,nbinsPhi,binsPhi,nbins1PtRes,bins1PtRes); | |
236 | fPtResPhiPtTPCITS = new TH3D("fPtResPhiPtTPCITS","pt rel. resolution from cov. matrix TPC+ITS tracks",nbinsPt,binsPt,nbinsPhi,binsPhi,nbins1PtRes,bins1PtRes); | |
234cae2f | 237 | |
238 | fPtResEtaPtTPC = new TH3D("fPtResEtaPtTPC","pt rel. resolution from cov. matrix TPC tracks",nbinsPt,binsPt,nbinsEta,binsEta,nbins1PtRes,bins1PtRes); | |
c683985a | 239 | fPtResEtaPtTPCc = new TH3D("fPtResEtaPtTPCc","pt rel. resolution from cov. matrix TPC constrained tracks",nbinsPt,binsPt,nbinsEta,binsEta,nbins1PtRes,bins1PtRes); |
240 | fPtResEtaPtTPCITS = new TH3D("fPtResEtaPtTPCITS","pt rel. resolution from cov. matrix TPC+ITS tracks",nbinsPt,binsPt,nbinsEta,binsEta,nbins1PtRes,bins1PtRes); | |
234cae2f | 241 | |
242 | fPtResCentPtTPC = new TH3D("fPtResCentPtTPC","pt rel. resolution from cov. matrix TPC tracks",nbinsPt,binsPt,nbinsCent,binsCent,nbins1PtRes,bins1PtRes); | |
c683985a | 243 | fPtResCentPtTPCc = new TH3D("fPtResCentPtTPCc","pt rel. resolution from cov. matrix TPC constrained tracks",nbinsPt,binsPt,nbinsCent,binsCent,nbins1PtRes,bins1PtRes); |
244 | fPtResCentPtTPCITS = new TH3D("fPtResCentPtTPCITS","pt rel. resolution from cov. matrix TPC+ITS tracks",nbinsPt,binsPt,nbinsCent,binsCent,nbins1PtRes,bins1PtRes); | |
245 | ||
234cae2f | 246 | |
c683985a | 247 | fOutput = new TList; |
248 | if(!fOutput) return; | |
249 | fOutput->SetOwner(); | |
250 | ||
251 | fOutput->Add(fPtResPhiPtTPC); | |
252 | fOutput->Add(fPtResPhiPtTPCc); | |
253 | fOutput->Add(fPtResPhiPtTPCITS); | |
254 | fOutput->Add(fPtResEtaPtTPC); | |
255 | fOutput->Add(fPtResEtaPtTPCc); | |
256 | fOutput->Add(fPtResEtaPtTPCITS); | |
257 | fOutput->Add(fPtResCentPtTPC); | |
258 | fOutput->Add(fPtResCentPtTPCc); | |
259 | fOutput->Add(fPtResCentPtTPCITS); | |
260 | ||
261 | // post data to outputs | |
262 | ||
263 | PostData(1,fV0Tree); | |
264 | PostData(2,fHighPtTree); | |
265 | PostData(3,fdEdxTree); | |
266 | PostData(4,fLaserTree); | |
267 | PostData(5,fMCEffTree); | |
268 | PostData(6,fCosmicPairsTree); | |
269 | ||
270 | PostData(7,fOutput); | |
271 | } | |
272 | ||
273 | //_____________________________________________________________________________ | |
274 | void AliAnalysisTaskFilteredTree::UserExec(Option_t *) | |
275 | { | |
276 | // | |
277 | // Called for each event | |
278 | // | |
279 | ||
280 | // ESD event | |
281 | fESD = (AliESDEvent*) (InputEvent()); | |
282 | if (!fESD) { | |
283 | Printf("ERROR: ESD event not available"); | |
284 | return; | |
285 | } | |
286 | ||
287 | //// MC event | |
288 | //if(fUseMCInfo) { | |
289 | // fMC = MCEvent(); | |
290 | // if (!fMC) { | |
291 | // Printf("ERROR: MC event not available"); | |
292 | // return; | |
293 | // } | |
294 | //} | |
234cae2f | 295 | |
c683985a | 296 | //if MC info available - use it. |
297 | fMC = MCEvent(); | |
298 | ||
299 | if(fUseESDfriends) { | |
234cae2f | 300 | //fESDfriend = dynamic_cast<AliESDfriend*>(fESD->FindListObject("AliESDfriend")); |
301 | fESDfriend = ESDfriend(); | |
302 | ||
303 | if(!fESDfriend) { | |
304 | Printf("ERROR: ESD friends not available"); | |
c683985a | 305 | } |
306 | } | |
307 | ||
308 | //if set, use the environment variables to set the downscaling factors | |
309 | //AliAnalysisTaskFilteredTree_fLowPtTrackDownscaligF | |
310 | //AliAnalysisTaskFilteredTree_fLowPtV0DownscaligF | |
311 | TString env; | |
312 | env = gSystem->Getenv("AliAnalysisTaskFilteredTree_fLowPtTrackDownscaligF"); | |
313 | if (!env.IsNull()) | |
314 | { | |
315 | fLowPtTrackDownscaligF=env.Atof(); | |
316 | AliInfo(Form("fLowPtTrackDownscaligF=%f",fLowPtTrackDownscaligF)); | |
317 | } | |
318 | env = gSystem->Getenv("AliAnalysisTaskFilteredTree_fLowPtV0DownscaligF"); | |
319 | if (!env.IsNull()) | |
320 | { | |
321 | fLowPtV0DownscaligF=env.Atof(); | |
322 | AliInfo(Form("fLowPtV0DownscaligF=%f",fLowPtTrackDownscaligF)); | |
323 | } | |
324 | ||
325 | // | |
326 | if(fProcessAll) { | |
327 | ProcessAll(fESD,fMC,fESDfriend); // all track stages and MC | |
328 | } | |
329 | else { | |
330 | Process(fESD,fMC,fESDfriend); // only global and TPC tracks | |
331 | } | |
332 | ||
333 | // | |
334 | ProcessV0(fESD,fMC,fESDfriend); | |
335 | ProcessLaser(fESD,fMC,fESDfriend); | |
336 | ProcessdEdx(fESD,fMC,fESDfriend); | |
337 | ||
234cae2f | 338 | if (fProcessCosmics) { ProcessCosmics(fESD,fESDfriend); } |
c683985a | 339 | if(fMC) { ProcessMCEff(fESD,fMC,fESDfriend);} |
4a00e62d | 340 | if (fProcessITSTPCmatchOut) ProcessITSTPCmatchOut(fESD, fESDfriend); |
341 | printf("processed event %d\n", Entry()); | |
c683985a | 342 | } |
343 | ||
344 | //_____________________________________________________________________________ | |
234cae2f | 345 | void AliAnalysisTaskFilteredTree::ProcessCosmics(AliESDEvent *const event, AliESDfriend* esdFriend) |
c683985a | 346 | { |
347 | // | |
348 | // Select real events with high-pT tracks | |
349 | // | |
350 | if(!event) { | |
351 | AliDebug(AliLog::kError, "event not available"); | |
352 | return; | |
353 | } | |
354 | ||
355 | // | |
356 | AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler(); | |
357 | if (!inputHandler) | |
358 | { | |
359 | Printf("ERROR: Could not receive input handler"); | |
360 | return; | |
361 | } | |
234cae2f | 362 | |
c683985a | 363 | // get file name |
364 | TTree *chain = (TChain*)GetInputData(0); | |
365 | if(!chain) { | |
366 | Printf("ERROR: Could not receive input chain"); | |
367 | return; | |
368 | } | |
369 | TObjString fileName(chain->GetCurrentFile()->GetName()); | |
370 | ||
371 | ||
234cae2f | 372 | // check for cosmic pairs |
373 | // | |
374 | // find cosmic pairs trigger by random trigger | |
375 | // | |
376 | // | |
377 | AliESDVertex *vertexSPD = (AliESDVertex *)event->GetPrimaryVertexSPD(); | |
378 | AliESDVertex *vertexTPC = (AliESDVertex *)event->GetPrimaryVertexTPC(); | |
379 | const Double_t kMinPt=0.8; | |
380 | const Double_t kMinPtMax=0.8; | |
381 | const Double_t kMinNcl=50; | |
382 | const Double_t kMaxDelta[5]={2,600,0.02,0.02,0.1}; | |
383 | Int_t ntracks=event->GetNumberOfTracks(); | |
384 | // Float_t dcaTPC[2]={0,0}; | |
385 | // Float_t covTPC[3]={0,0,0}; | |
386 | ||
387 | UInt_t specie = event->GetEventSpecie(); // skip laser events | |
388 | if (specie==AliRecoParam::kCalib) return; | |
389 | ||
390 | ||
391 | ||
392 | for (Int_t itrack0=0;itrack0<ntracks;itrack0++) { | |
393 | AliESDtrack *track0 = event->GetTrack(itrack0); | |
394 | if (!track0) continue; | |
395 | if (!track0->IsOn(AliESDtrack::kTPCrefit)) continue; | |
396 | ||
397 | if (TMath::Abs(AliTracker::GetBz())>1 && track0->Pt() < kMinPt) continue; | |
398 | if (track0->Pt() < kMinPt) continue; | |
399 | if (track0->GetTPCncls() < kMinNcl) continue; | |
400 | if (TMath::Abs(track0->GetY())<kMaxDelta[0]) continue; | |
401 | if (track0->GetKinkIndex(0)>0) continue; | |
402 | const Double_t * par0=track0->GetParameter(); //track param at rhe DCA | |
403 | //rm primaries | |
c683985a | 404 | // |
234cae2f | 405 | //track0->GetImpactParametersTPC(dcaTPC,covTPC); |
406 | //if (TMath::Abs(dcaTPC[0])<kMaxDelta[0]) continue; | |
407 | //if (TMath::Abs(dcaTPC[1])<kMaxDelta[0]*2) continue; | |
408 | // const AliExternalTrackParam * trackIn0 = track0->GetInnerParam(); | |
234cae2f | 409 | AliESDfriendTrack* friendTrack0=NULL; |
410 | if (esdFriend) {if (!esdFriend->TestSkipBit()) friendTrack0 = esdFriend->GetTrack(itrack0);} //this guy can be NULL | |
234cae2f | 411 | |
412 | for (Int_t itrack1=itrack0+1;itrack1<ntracks;itrack1++) { | |
413 | AliESDtrack *track1 = event->GetTrack(itrack1); | |
414 | if (!track1) continue; | |
415 | if (!track1->IsOn(AliESDtrack::kTPCrefit)) continue; | |
416 | if (track1->GetKinkIndex(0)>0) continue; | |
417 | if ((TMath::Abs(AliTracker::GetBz())>1) && (track1->Pt() < kMinPt)) continue; | |
418 | if (track1->Pt() < kMinPt) continue; | |
419 | if (track1->GetTPCncls()<kMinNcl) continue; | |
420 | if (TMath::Abs(AliTracker::GetBz())>1 && TMath::Max(track1->Pt(), track0->Pt())<kMinPtMax) continue; | |
421 | if (TMath::Abs(track1->GetY())<kMaxDelta[0]) continue; | |
422 | //track1->GetImpactParametersTPC(dcaTPC,covTPC); | |
423 | // if (TMath::Abs(dcaTPC[0])<kMaxDelta[0]) continue; | |
c683985a | 424 | //if (TMath::Abs(dcaTPC[1])<kMaxDelta[0]*2) continue; |
234cae2f | 425 | // |
426 | const Double_t* par1=track1->GetParameter(); //track param at rhe DCA | |
427 | // | |
428 | Bool_t isPair=kTRUE; | |
429 | for (Int_t ipar=0; ipar<5; ipar++){ | |
430 | if (ipar==4&&TMath::Abs(AliTracker::GetBz())<1) continue; // 1/pt not defined for B field off | |
431 | if (TMath::Abs(TMath::Abs(par0[ipar])-TMath::Abs(par1[ipar]))>kMaxDelta[ipar]) isPair=kFALSE; | |
432 | } | |
433 | if (!isPair) continue; | |
434 | if (TMath::Abs(TMath::Abs(track0->GetAlpha()-track1->GetAlpha())-TMath::Pi())>kMaxDelta[2]) isPair=kFALSE; | |
435 | //delta with correct sign | |
436 | /* | |
82522b46 | 437 | TCut cut0="abs(t1.fP[0]+t0.fP[0])<2" |
438 | TCut cut3="abs(t1.fP[3]+t0.fP[3])<0.02" | |
439 | TCut cut4="abs(t1.fP[4]+t0.fP[4])<0.2" | |
440 | */ | |
234cae2f | 441 | if (TMath::Abs(par0[0]+par1[0])>kMaxDelta[0]) isPair=kFALSE; //delta y opposite sign |
442 | if (TMath::Abs(par0[3]+par1[3])>kMaxDelta[3]) isPair=kFALSE; //delta tgl opposite sign | |
443 | if (TMath::Abs(AliTracker::GetBz())>1 && TMath::Abs(par0[4]+par1[4])>kMaxDelta[4]) isPair=kFALSE; //delta 1/pt opposite sign | |
444 | if (!isPair) continue; | |
445 | TString filename(AliAnalysisManager::GetAnalysisManager()->GetTree()->GetCurrentFile()->GetName()); | |
446 | Int_t eventNumber = event->GetEventNumberInFile(); | |
447 | //Bool_t hasFriend = kFALSE; | |
448 | //Bool_t hasITS=(track0->GetNcls(0)+track1->GetNcls(0)>4); | |
449 | //printf("DUMPHPTCosmic:%s|%f|%d|%d|%d\n",filename.Data(),(TMath::Min(track0->Pt(),track1->Pt())), eventNumber,hasFriend,hasITS); | |
450 | // const AliExternalTrackParam * trackIn1 = track1->GetInnerParam(); | |
451 | // | |
452 | // | |
453 | Int_t ntracksSPD = vertexSPD->GetNContributors(); | |
454 | Int_t ntracksTPC = vertexTPC->GetNContributors(); | |
455 | Int_t runNumber = event->GetRunNumber(); | |
456 | Int_t timeStamp = event->GetTimeStamp(); | |
457 | ULong64_t triggerMask = event->GetTriggerMask(); | |
458 | Float_t magField = event->GetMagneticField(); | |
459 | TObjString triggerClass = event->GetFiredTriggerClasses().Data(); | |
460 | ||
b55a470b | 461 | // Global event id calculation using orbitID, bunchCrossingID and periodID |
462 | ULong64_t orbitID = (ULong64_t)event->GetOrbitNumber(); | |
463 | ULong64_t bunchCrossID = (ULong64_t)event->GetBunchCrossNumber(); | |
464 | ULong64_t periodID = (ULong64_t)event->GetPeriodNumber(); | |
465 | ULong64_t gid = ((periodID << 36) | (orbitID << 12) | bunchCrossID); | |
466 | ||
234cae2f | 467 | // |
c683985a | 468 | // Dump to the tree |
469 | // vertex | |
470 | // TPC-ITS tracks | |
471 | // | |
472 | ||
473 | //fCosmicPairsTree->Branch("fileName",&fileName,32000,0); | |
474 | //fCosmicPairsTree->Branch("runNumber",&runNumber,"runNumber/I"); | |
475 | //fCosmicPairsTree->Branch("timeStamp",&timeStamp,"timeStamp/I"); | |
476 | //fCosmicPairsTree->Branch("eventNumber",&eventNumber,"eventNumber/I"); | |
477 | //fCosmicPairsTree->Branch("triggerMask",&triggerMask,32000,0); | |
478 | //fCosmicPairsTree->Branch("triggerClass",&triggerClass,32000,0); | |
479 | //fCosmicPairsTree->Branch("magField",&magField,"magField/F"); | |
480 | //fCosmicPairsTree->Branch("ntracksSPD",&ntracksSPD,"ntracksSPD/I"); | |
481 | //fCosmicPairsTree->Branch("ntracksTPC",&ntracksTPC,"ntracksTPC/I"); | |
482 | //fCosmicPairsTree->Branch("vertexSPD",vertexSPD,32000,0); | |
483 | //fCosmicPairsTree->Branch("vertexTPC",vertexTPC,32000,0); | |
484 | //fCosmicPairsTree->Branch("track0",track0,32000,0); | |
485 | //fCosmicPairsTree->Branch("track1",track1,32000,0); | |
486 | // | |
487 | //fCosmicPairsTree->Fill(); | |
488 | ||
234cae2f | 489 | AliESDfriendTrack* friendTrack1=NULL; |
490 | if (esdFriend) {if (!esdFriend->TestSkipBit()) friendTrack1 = esdFriend->GetTrack(itrack1);} //this guy can be NULL | |
82522b46 | 491 | // |
492 | AliESDfriendTrack *friendTrackStore0=friendTrack0; // store friend track0 for later processing | |
493 | AliESDfriendTrack *friendTrackStore1=friendTrack1; // store friend track1 for later processing | |
494 | if (fFriendDownscaling>=1){ // downscaling number of friend tracks | |
495 | if (gRandom->Rndm()>1./fFriendDownscaling){ | |
496 | friendTrackStore0 = 0; | |
497 | friendTrackStore1 = 0; | |
498 | } | |
499 | } | |
500 | if (fFriendDownscaling<=0){ | |
501 | if (((*fTreeSRedirector)<<"CosmicPairs").GetTree()){ | |
502 | TTree * tree = ((*fTreeSRedirector)<<"CosmicPairs").GetTree(); | |
503 | if (tree){ | |
504 | Double_t sizeAll=tree->GetZipBytes(); | |
505 | TBranch * br= tree->GetBranch("friendTrack0.fPoints"); | |
506 | Double_t sizeFriend=(br!=NULL)?br->GetZipBytes():0; | |
507 | br= tree->GetBranch("friendTrack0.fCalibContainer"); | |
508 | if (br) sizeFriend+=br->GetZipBytes(); | |
509 | if (sizeFriend*TMath::Abs(fFriendDownscaling)>sizeAll) { | |
510 | friendTrackStore0=0; | |
511 | friendTrackStore1=0; | |
512 | } | |
513 | } | |
514 | } | |
515 | } | |
516 | ||
234cae2f | 517 | |
c683985a | 518 | if(!fFillTree) return; |
519 | if(!fTreeSRedirector) return; | |
234cae2f | 520 | (*fTreeSRedirector)<<"CosmicPairs"<< |
b55a470b | 521 | "gid="<<gid<< |
234cae2f | 522 | "fileName.="<<&fileName<< // file name |
523 | "runNumber="<<runNumber<< // run number | |
524 | "evtTimeStamp="<<timeStamp<< // time stamp of event | |
525 | "evtNumberInFile="<<eventNumber<< // event number | |
526 | "trigger="<<triggerMask<< // trigger | |
527 | "triggerClass="<<&triggerClass<< // trigger | |
528 | "Bz="<<magField<< // magnetic field | |
529 | // | |
530 | "multSPD="<<ntracksSPD<< | |
531 | "multTPC="<<ntracksTPC<< | |
532 | "vertSPD.="<<vertexSPD<< //primary vertex -SPD | |
533 | "vertTPC.="<<vertexTPC<< //primary vertex -TPC | |
534 | "t0.="<<track0<< //track0 | |
535 | "t1.="<<track1<< //track1 | |
82522b46 | 536 | "friendTrack0.="<<friendTrackStore0<< |
537 | "friendTrack1.="<<friendTrackStore1<< | |
234cae2f | 538 | "\n"; |
234cae2f | 539 | } |
234cae2f | 540 | } |
c683985a | 541 | } |
542 | ||
543 | ||
544 | //_____________________________________________________________________________ | |
545 | void AliAnalysisTaskFilteredTree::Process(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent, AliESDfriend *const /*esdFriend*/) | |
546 | { | |
547 | // | |
548 | // Select real events with high-pT tracks | |
549 | // | |
550 | if(!esdEvent) { | |
551 | AliDebug(AliLog::kError, "esdEvent not available"); | |
552 | return; | |
553 | } | |
554 | ||
555 | // get selection cuts | |
556 | AliFilteredTreeEventCuts *evtCuts = GetEventCuts(); | |
557 | AliFilteredTreeAcceptanceCuts *accCuts = GetAcceptanceCuts(); | |
558 | AliESDtrackCuts *esdTrackCuts = GetTrackCuts(); | |
559 | ||
560 | if(!evtCuts || !accCuts || !esdTrackCuts) { | |
561 | Printf("ERROR cuts not available"); | |
562 | return; | |
563 | } | |
564 | ||
565 | // trigger selection | |
566 | Bool_t isEventTriggered = kTRUE; | |
567 | AliPhysicsSelection *physicsSelection = NULL; | |
568 | AliTriggerAnalysis* triggerAnalysis = NULL; | |
569 | ||
570 | // | |
571 | AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler(); | |
572 | if (!inputHandler) | |
573 | { | |
574 | Printf("ERROR: Could not receive input handler"); | |
575 | return; | |
576 | } | |
234cae2f | 577 | |
c683985a | 578 | // get file name |
579 | TTree *chain = (TChain*)GetInputData(0); | |
580 | if(!chain) { | |
581 | Printf("ERROR: Could not receive input chain"); | |
582 | return; | |
583 | } | |
584 | TObjString fileName(chain->GetCurrentFile()->GetName()); | |
585 | ||
586 | // trigger | |
587 | if(evtCuts->IsTriggerRequired()) | |
588 | { | |
589 | // always MB | |
590 | isEventTriggered = inputHandler->IsEventSelected() & AliVEvent::kMB; | |
591 | ||
592 | physicsSelection = static_cast<AliPhysicsSelection*> (inputHandler->GetEventSelection()); | |
593 | if(!physicsSelection) return; | |
594 | //SetPhysicsTriggerSelection(physicsSelection); | |
595 | ||
596 | if (isEventTriggered && (GetTrigger() == AliTriggerAnalysis::kV0AND)) { | |
597 | // set trigger (V0AND) | |
598 | triggerAnalysis = physicsSelection->GetTriggerAnalysis(); | |
599 | if(!triggerAnalysis) return; | |
600 | isEventTriggered = triggerAnalysis->IsOfflineTriggerFired(esdEvent, GetTrigger()); | |
601 | } | |
602 | } | |
603 | ||
604 | // centrality determination | |
605 | Float_t centralityF = -1; | |
606 | AliCentrality *esdCentrality = esdEvent->GetCentrality(); | |
607 | centralityF = esdCentrality->GetCentralityPercentile(fCentralityEstimator.Data()); | |
608 | ||
609 | // use MC information | |
610 | AliHeader* header = 0; | |
611 | AliGenEventHeader* genHeader = 0; | |
612 | AliStack* stack = 0; | |
613 | TArrayF vtxMC(3); | |
614 | ||
615 | Int_t multMCTrueTracks = 0; | |
616 | if(mcEvent) | |
617 | { | |
618 | // get MC event header | |
619 | header = mcEvent->Header(); | |
620 | if (!header) { | |
621 | AliDebug(AliLog::kError, "Header not available"); | |
622 | return; | |
623 | } | |
624 | // MC particle stack | |
625 | stack = mcEvent->Stack(); | |
626 | if (!stack) { | |
627 | AliDebug(AliLog::kError, "Stack not available"); | |
628 | return; | |
629 | } | |
630 | ||
631 | // get MC vertex | |
632 | genHeader = header->GenEventHeader(); | |
633 | if (!genHeader) { | |
634 | AliDebug(AliLog::kError, "Could not retrieve genHeader from Header"); | |
635 | return; | |
636 | } | |
637 | genHeader->PrimaryVertex(vtxMC); | |
638 | ||
639 | // multipliticy of all MC primary tracks | |
640 | // in Zv, pt and eta ranges) | |
641 | multMCTrueTracks = GetMCTrueTrackMult(mcEvent,evtCuts,accCuts); | |
642 | } // end bUseMC | |
643 | ||
644 | // get reconstructed vertex | |
645 | //const AliESDVertex* vtxESD = 0; | |
646 | AliESDVertex* vtxESD = 0; | |
647 | if(GetAnalysisMode() == kTPCAnalysisMode) { | |
234cae2f | 648 | vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC(); |
c683985a | 649 | } |
650 | else if(GetAnalysisMode() == kTPCITSAnalysisMode) { | |
234cae2f | 651 | vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTracks(); |
c683985a | 652 | } |
653 | else { | |
234cae2f | 654 | return; |
c683985a | 655 | } |
656 | ||
657 | AliESDVertex* vtxTPC = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC(); | |
658 | AliESDVertex* vtxSPD = (AliESDVertex*)esdEvent->GetPrimaryVertexSPD(); | |
659 | ||
660 | if(!vtxESD) return; | |
661 | if(!vtxTPC) return; | |
662 | if(!vtxSPD) return; | |
663 | ||
664 | Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD); | |
665 | //printf("isEventOK %d, isEventTriggered %d, status %d, vz %f \n",isEventOK, isEventTriggered, vtxESD->GetStatus(), vtxESD->GetZv()); | |
666 | //printf("GetAnalysisMode() %d \n",GetAnalysisMode()); | |
667 | Int_t ntracks = esdEvent->GetNumberOfTracks(); | |
668 | ||
669 | // check event cuts | |
670 | if(isEventOK && isEventTriggered) | |
671 | { | |
672 | ||
673 | // | |
674 | // get IR information | |
675 | // | |
676 | AliESDHeader *esdHeader = 0; | |
677 | esdHeader = esdEvent->GetHeader(); | |
678 | if(!esdHeader) return; | |
679 | //Int_t ir1 = esdHeader->GetTriggerIREntries(); //all ir-s | |
680 | //Int_t ir2 = esdHeader->GetTriggerIREntries(-1,1); // int2 set, 180 ms time interval | |
681 | ||
682 | // Use when Peter commit the changes in the header | |
683 | Int_t ir1 = 0; | |
684 | Int_t ir2 = 0; | |
685 | ||
686 | // | |
07aef7d1 | 687 | //Double_t vert[3] = {0}; |
688 | //vert[0] = vtxESD->GetXv(); | |
689 | //vert[1] = vtxESD->GetYv(); | |
690 | //vert[2] = vtxESD->GetZv(); | |
c683985a | 691 | Int_t mult = vtxESD->GetNContributors(); |
692 | Int_t multSPD = vtxSPD->GetNContributors(); | |
693 | Int_t multTPC = vtxTPC->GetNContributors(); | |
694 | ||
695 | Float_t bz = esdEvent->GetMagneticField(); | |
696 | Int_t runNumber = esdEvent->GetRunNumber(); | |
697 | Int_t evtTimeStamp = esdEvent->GetTimeStamp(); | |
698 | Int_t evtNumberInFile = esdEvent->GetEventNumberInFile(); | |
b55a470b | 699 | |
700 | // Global event id calculation using orbitID, bunchCrossingID and periodID | |
701 | ULong64_t orbitID = (ULong64_t)esdEvent->GetOrbitNumber(); | |
702 | ULong64_t bunchCrossID = (ULong64_t)esdEvent->GetBunchCrossNumber(); | |
703 | ULong64_t periodID = (ULong64_t)esdEvent->GetPeriodNumber(); | |
704 | ULong64_t gid = ((periodID << 36) | (orbitID << 12) | bunchCrossID); | |
705 | ||
c683985a | 706 | |
707 | // high pT tracks | |
708 | for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++) | |
709 | { | |
710 | AliESDtrack *track = esdEvent->GetTrack(iTrack); | |
711 | if(!track) continue; | |
712 | if(track->Charge()==0) continue; | |
713 | if(!esdTrackCuts->AcceptTrack(track)) continue; | |
714 | if(!accCuts->AcceptTrack(track)) continue; | |
234cae2f | 715 | |
c683985a | 716 | // downscale low-pT tracks |
717 | Double_t scalempt= TMath::Min(track->Pt(),10.); | |
718 | Double_t downscaleF = gRandom->Rndm(); | |
719 | downscaleF *= fLowPtTrackDownscaligF; | |
720 | if(TMath::Exp(2*scalempt)<downscaleF) continue; | |
721 | //printf("TMath::Exp(2*scalempt) %e, downscaleF %e \n",TMath::Exp(2*scalempt), downscaleF); | |
722 | ||
723 | AliExternalTrackParam * tpcInner = (AliExternalTrackParam *)(track->GetTPCInnerParam()); | |
724 | if (!tpcInner) continue; | |
725 | // transform to the track reference frame | |
726 | Bool_t isOK = kFALSE; | |
727 | isOK = tpcInner->Rotate(track->GetAlpha()); | |
728 | isOK = tpcInner->PropagateTo(track->GetX(),esdEvent->GetMagneticField()); | |
729 | if(!isOK) continue; | |
730 | ||
731 | // Dump to the tree | |
732 | // vertex | |
733 | // TPC-ITS tracks | |
734 | // | |
735 | TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data(); | |
736 | ||
737 | //fHighPtTree->Branch("fileName",&fileName,32000,0); | |
738 | //fHighPtTree->Branch("runNumber",&runNumber,"runNumber/I"); | |
739 | //fHighPtTree->Branch("evtTimeStamp",&evtTimeStamp,"evtTimeStamp/I"); | |
740 | //fHighPtTree->Branch("evtNumberInFile",&evtNumberInFile,"evtNumberInFile/I"); | |
741 | //fHighPtTree->Branch("triggerClass",&triggerClass,32000,0); | |
742 | //fHighPtTree->Branch("Bz",&bz,"Bz/F"); | |
743 | //fHighPtTree->Branch("vtxESD",vtxESD,32000,0); | |
744 | //fHighPtTree->Branch("IRtot",&ir1,"IRtot/I"); | |
745 | //fHighPtTree->Branch("IRint2",&ir2,"IRint2/I"); | |
746 | //fHighPtTree->Branch("mult",&mult,"mult/I"); | |
747 | //fHighPtTree->Branch("esdTrack",track,32000,0); | |
748 | //fHighPtTree->Branch("centralityF",¢ralityF,"centralityF/F"); | |
749 | ||
750 | //fHighPtTree->Fill(); | |
751 | ||
752 | //Double_t vtxX=vtxESD->GetX(); | |
753 | //Double_t vtxY=vtxESD->GetY(); | |
754 | //Double_t vtxZ=vtxESD->GetZ(); | |
755 | if(!fFillTree) return; | |
756 | if(!fTreeSRedirector) return; | |
757 | (*fTreeSRedirector)<<"highPt"<< | |
b55a470b | 758 | "gid="<<gid<< |
c683985a | 759 | "fileName.="<<&fileName<< |
760 | "runNumber="<<runNumber<< | |
761 | "evtTimeStamp="<<evtTimeStamp<< | |
762 | "evtNumberInFile="<<evtNumberInFile<< | |
234cae2f | 763 | "triggerClass="<<&triggerClass<< // trigger |
c683985a | 764 | "Bz="<<bz<< // magnetic field |
765 | "vtxESD.="<<vtxESD<< | |
234cae2f | 766 | "ntracksESD="<<ntracks<< // number of tracks in the ESD |
767 | // "vtxESDx="<<vtxX<< | |
768 | // "vtxESDy="<<vtxY<< | |
769 | // "vtxESDz="<<vtxZ<< | |
770 | "IRtot="<<ir1<< // interaction record history info | |
771 | "IRint2="<<ir2<< | |
c683985a | 772 | "mult="<<mult<< // multiplicity of tracks pointing to the primary vertex |
773 | "multSPD="<<multSPD<< // multiplicity of tracks pointing to the SPD primary vertex | |
774 | "multTPC="<<multTPC<< // multiplicity of tracks pointing to the TPC primary vertex | |
775 | "esdTrack.="<<track<< | |
776 | "centralityF="<<centralityF<< | |
777 | "\n"; | |
778 | } | |
779 | } | |
234cae2f | 780 | |
c683985a | 781 | } |
782 | ||
783 | ||
784 | //_____________________________________________________________________________ | |
234cae2f | 785 | void AliAnalysisTaskFilteredTree::ProcessLaser(AliESDEvent *const esdEvent, AliMCEvent * const /*mcEvent*/, AliESDfriend *const esdFriend) |
c683985a | 786 | { |
787 | // | |
82522b46 | 788 | // Process laser events -> dump tracks and clusters to the special tree |
c683985a | 789 | // |
790 | if(!esdEvent) { | |
791 | AliDebug(AliLog::kError, "esdEvent not available"); | |
792 | return; | |
793 | } | |
c683985a | 794 | // get file name |
795 | TTree *chain = (TChain*)GetInputData(0); | |
796 | if(!chain) { | |
797 | Printf("ERROR: Could not receive input chain"); | |
798 | return; | |
799 | } | |
800 | TObjString fileName(chain->GetCurrentFile()->GetName()); | |
801 | ||
234cae2f | 802 | if(!fFillTree) return; |
803 | if(!fTreeSRedirector) return; | |
804 | ||
c683985a | 805 | // laser events |
806 | const AliESDHeader* esdHeader = esdEvent->GetHeader(); | |
807 | if(esdHeader && esdHeader->GetEventSpecie()==AliRecoParam::kCalib) | |
808 | { | |
809 | Int_t countLaserTracks = 0; | |
234cae2f | 810 | Int_t runNumber = esdEvent->GetRunNumber(); |
811 | Int_t evtTimeStamp = esdEvent->GetTimeStamp(); | |
812 | Int_t evtNumberInFile = esdEvent->GetEventNumberInFile(); | |
813 | Float_t bz = esdEvent->GetMagneticField(); | |
82522b46 | 814 | TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data(); |
b55a470b | 815 | // Global event id calculation using orbitID, bunchCrossingID and periodID |
816 | ULong64_t orbitID = (ULong64_t)esdEvent->GetOrbitNumber(); | |
817 | ULong64_t bunchCrossID = (ULong64_t)esdEvent->GetBunchCrossNumber(); | |
818 | ULong64_t periodID = (ULong64_t)esdEvent->GetPeriodNumber(); | |
819 | ULong64_t gid = ((periodID << 36) | (orbitID << 12) | bunchCrossID); | |
234cae2f | 820 | |
c683985a | 821 | for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++) |
822 | { | |
823 | AliESDtrack *track = esdEvent->GetTrack(iTrack); | |
824 | if(!track) continue; | |
825 | ||
826 | if(track->GetTPCInnerParam()) countLaserTracks++; | |
234cae2f | 827 | |
234cae2f | 828 | AliESDfriendTrack* friendTrack=NULL; |
829 | if (esdFriend) {if (!esdFriend->TestSkipBit()) friendTrack = esdFriend->GetTrack(iTrack);} //this guy can be NULL | |
234cae2f | 830 | |
c683985a | 831 | (*fTreeSRedirector)<<"Laser"<< |
82522b46 | 832 | "gid="<<gid<< // global identifier of event |
833 | "fileName.="<<&fileName<< // | |
c683985a | 834 | "runNumber="<<runNumber<< |
835 | "evtTimeStamp="<<evtTimeStamp<< | |
836 | "evtNumberInFile="<<evtNumberInFile<< | |
82522b46 | 837 | "triggerClass="<<&triggerClass<< // trigger |
838 | "Bz="<<bz<< // magnetic field | |
839 | "multTPCtracks="<<countLaserTracks<< // multiplicity of tracks | |
840 | "track=."<<track<< // track parameters | |
841 | "friendTrack.="<<friendTrack<< // friend track information | |
c683985a | 842 | "\n"; |
843 | } | |
844 | } | |
845 | } | |
846 | ||
847 | //_____________________________________________________________________________ | |
848 | void AliAnalysisTaskFilteredTree::ProcessAll(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent, AliESDfriend *const esdFriend) | |
849 | { | |
850 | // | |
851 | // Select real events with high-pT tracks | |
852 | // Calculate and stor in the output tree: | |
853 | // TPC constrained tracks | |
854 | // InnerParams constrained tracks | |
855 | // TPC-ITS tracks | |
856 | // ITSout-InnerParams tracks | |
857 | // chi2 distance between TPC constrained and TPC-ITS tracks | |
858 | // chi2 distance between TPC refitted constrained and TPC-ITS tracks | |
859 | // chi2 distance between ITSout and InnerParams tracks | |
860 | // MC information: | |
861 | // track references at ITSin, TPCin; InnerParam at first TPC track reference, | |
862 | // particle ID, mother ID, production mechanism ... | |
863 | // | |
864 | ||
865 | if(!esdEvent) { | |
866 | AliDebug(AliLog::kError, "esdEvent not available"); | |
867 | return; | |
868 | } | |
869 | ||
870 | // get selection cuts | |
871 | AliFilteredTreeEventCuts *evtCuts = GetEventCuts(); | |
872 | AliFilteredTreeAcceptanceCuts *accCuts = GetAcceptanceCuts(); | |
873 | AliESDtrackCuts *esdTrackCuts = GetTrackCuts(); | |
874 | ||
875 | if(!evtCuts || !accCuts || !esdTrackCuts) { | |
876 | AliDebug(AliLog::kError, "cuts not available"); | |
877 | return; | |
878 | } | |
879 | ||
880 | // trigger selection | |
881 | Bool_t isEventTriggered = kTRUE; | |
882 | AliPhysicsSelection *physicsSelection = NULL; | |
883 | AliTriggerAnalysis* triggerAnalysis = NULL; | |
884 | ||
885 | // | |
886 | AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler(); | |
887 | if (!inputHandler) | |
888 | { | |
889 | Printf("ERROR: Could not receive input handler"); | |
890 | return; | |
891 | } | |
234cae2f | 892 | |
c683985a | 893 | // get file name |
894 | TTree *chain = (TChain*)GetInputData(0); | |
895 | if(!chain) { | |
896 | Printf("ERROR: Could not receive input chain"); | |
897 | return; | |
898 | } | |
899 | TObjString fileName(chain->GetCurrentFile()->GetName()); | |
900 | ||
901 | // trigger | |
902 | if(evtCuts->IsTriggerRequired()) | |
903 | { | |
904 | // always MB | |
905 | isEventTriggered = inputHandler->IsEventSelected() & AliVEvent::kMB; | |
906 | ||
907 | physicsSelection = static_cast<AliPhysicsSelection*> (inputHandler->GetEventSelection()); | |
908 | if(!physicsSelection) {AliInfo("no physics selection"); return;} | |
909 | //SetPhysicsTriggerSelection(physicsSelection); | |
910 | ||
911 | if (isEventTriggered && (GetTrigger() == AliTriggerAnalysis::kV0AND)) { | |
912 | // set trigger (V0AND) | |
913 | triggerAnalysis = physicsSelection->GetTriggerAnalysis(); | |
914 | if(!triggerAnalysis) {AliInfo("no trigger analysis");return;} | |
915 | isEventTriggered = triggerAnalysis->IsOfflineTriggerFired(esdEvent, GetTrigger()); | |
916 | } | |
917 | } | |
918 | ||
919 | // centrality determination | |
920 | Float_t centralityF = -1; | |
921 | AliCentrality *esdCentrality = esdEvent->GetCentrality(); | |
922 | centralityF = esdCentrality->GetCentralityPercentile(fCentralityEstimator.Data()); | |
923 | ||
924 | // use MC information | |
925 | AliHeader* header = 0; | |
926 | AliGenEventHeader* genHeader = 0; | |
927 | AliStack* stack = 0; | |
928 | TArrayF vtxMC(3); | |
929 | Int_t mcStackSize=0; | |
930 | ||
931 | Int_t multMCTrueTracks = 0; | |
932 | if(mcEvent) | |
933 | { | |
934 | // get MC event header | |
935 | header = mcEvent->Header(); | |
936 | if (!header) { | |
937 | AliDebug(AliLog::kError, "Header not available"); | |
938 | return; | |
939 | } | |
940 | // MC particle stack | |
941 | stack = mcEvent->Stack(); | |
942 | if (!stack) { | |
943 | AliDebug(AliLog::kError, "Stack not available"); | |
944 | return; | |
945 | } | |
946 | mcStackSize=stack->GetNtrack(); | |
947 | ||
948 | // get MC vertex | |
949 | genHeader = header->GenEventHeader(); | |
950 | if (!genHeader) { | |
951 | AliDebug(AliLog::kError, "Could not retrieve genHeader from Header"); | |
952 | return; | |
953 | } | |
954 | genHeader->PrimaryVertex(vtxMC); | |
955 | ||
956 | // multipliticy of all MC primary tracks | |
957 | // in Zv, pt and eta ranges) | |
958 | multMCTrueTracks = GetMCTrueTrackMult(mcEvent,evtCuts,accCuts); | |
959 | ||
960 | } // end bUseMC | |
961 | ||
962 | // get reconstructed vertex | |
963 | //const AliESDVertex* vtxESD = 0; | |
964 | AliESDVertex* vtxESD = 0; | |
965 | if(GetAnalysisMode() == kTPCAnalysisMode) { | |
234cae2f | 966 | vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC(); |
c683985a | 967 | } |
968 | else if(GetAnalysisMode() == kTPCITSAnalysisMode) { | |
234cae2f | 969 | vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTracks(); |
c683985a | 970 | } |
971 | else { | |
972 | AliInfo("no ESD vertex"); | |
234cae2f | 973 | return; |
c683985a | 974 | } |
975 | ||
976 | if(!vtxESD) return; | |
977 | ||
978 | Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD); | |
234cae2f | 979 | |
c683985a | 980 | // |
981 | // Vertex info comparison and track multiplicity | |
982 | // | |
983 | AliESDVertex *vertexSPD = (AliESDVertex *)esdEvent->GetPrimaryVertexSPD(); | |
984 | AliESDVertex *vertexTPC = (AliESDVertex *)esdEvent->GetPrimaryVertexTPC(); | |
985 | Int_t contSPD = vertexSPD->GetNContributors(); | |
986 | Int_t contTPC = vertexTPC->GetNContributors(); | |
987 | TVectorD vertexPosTPC(3), vertexPosSPD(3); | |
988 | vertexSPD->GetXYZ(vertexPosSPD.GetMatrixArray()); | |
989 | vertexTPC->GetXYZ(vertexPosTPC.GetMatrixArray()); | |
990 | Int_t ntracksTPC=0; | |
991 | Int_t ntracksITS=0; | |
992 | for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++){ | |
993 | AliESDtrack *track = esdEvent->GetTrack(iTrack); | |
994 | if(!track) continue; | |
995 | if (track->IsOn(AliVTrack::kTPCrefit)) ntracksTPC++; | |
996 | if (track->IsOn(AliVTrack::kITSrefit)) ntracksITS++; | |
997 | } | |
234cae2f | 998 | |
c683985a | 999 | //printf("isEventOK %d, isEventTriggered %d \n",isEventOK, isEventTriggered); |
1000 | //printf("GetAnalysisMode() %d \n",GetAnalysisMode()); | |
1001 | ||
1002 | ||
1003 | // check event cuts | |
1004 | if(isEventOK && isEventTriggered) | |
1005 | { | |
1006 | // | |
1007 | // get IR information | |
1008 | // | |
1009 | AliESDHeader *esdHeader = 0; | |
1010 | esdHeader = esdEvent->GetHeader(); | |
1011 | if(!esdHeader) {AliInfo("no esdHeader");return;} | |
1012 | //Int_t ir1 = esdHeader->GetTriggerIREntries(); //all ir-s | |
1013 | //Int_t ir2 = esdHeader->GetTriggerIREntries(-1,1); // int2 set, 180 ms time interval | |
1014 | // | |
1015 | Int_t ir1 = 0; | |
1016 | Int_t ir2 = 0; | |
1017 | ||
1018 | // | |
1019 | Double_t vert[3] = {0}; | |
1020 | vert[0] = vtxESD->GetXv(); | |
1021 | vert[1] = vtxESD->GetYv(); | |
1022 | vert[2] = vtxESD->GetZv(); | |
1023 | Int_t mult = vtxESD->GetNContributors(); | |
1024 | Float_t bz = esdEvent->GetMagneticField(); | |
1025 | Int_t runNumber = esdEvent->GetRunNumber(); | |
1026 | Int_t evtTimeStamp = esdEvent->GetTimeStamp(); | |
1027 | Int_t evtNumberInFile = esdEvent->GetEventNumberInFile(); | |
1028 | ||
2e16763c | 1029 | Int_t numberOfTracks=esdEvent->GetNumberOfTracks(); |
c683985a | 1030 | // high pT tracks |
2e16763c | 1031 | for (Int_t iTrack = 0; iTrack < numberOfTracks; iTrack++) |
c683985a | 1032 | { |
1033 | AliESDtrack *track = esdEvent->GetTrack(iTrack); | |
234cae2f | 1034 | AliESDfriendTrack* friendTrack=NULL; |
2e16763c | 1035 | Int_t numberOfFriendTracks=0; |
1036 | if (esdFriend) numberOfFriendTracks=esdFriend->GetNumberOfTracks(); | |
1037 | if (esdFriend && iTrack<numberOfFriendTracks) {if (!esdFriend->TestSkipBit()) friendTrack = esdFriend->GetTrack(iTrack);} //this guy can be NULL | |
c683985a | 1038 | if(!track) continue; |
1039 | if(track->Charge()==0) continue; | |
1040 | if(!esdTrackCuts->AcceptTrack(track)) continue; | |
1041 | if(!accCuts->AcceptTrack(track)) continue; | |
234cae2f | 1042 | |
c683985a | 1043 | // downscale low-pT tracks |
1044 | Double_t scalempt= TMath::Min(track->Pt(),10.); | |
1045 | Double_t downscaleF = gRandom->Rndm(); | |
1046 | downscaleF *= fLowPtTrackDownscaligF; | |
1047 | if(TMath::Exp(2*scalempt)<downscaleF) continue; | |
1048 | //printf("TMath::Exp(2*scalempt) %e, downscaleF %e \n",TMath::Exp(2*scalempt), downscaleF); | |
1049 | ||
1050 | // Dump to the tree | |
1051 | // vertex | |
1052 | // TPC constrained tracks | |
1053 | // InnerParams constrained tracks | |
1054 | // TPC-ITS tracks | |
1055 | // ITSout-InnerParams tracks | |
1056 | // chi2 distance between TPC constrained and TPC-ITS tracks | |
1057 | // chi2 distance between TPC refitted constrained and TPC-ITS tracks | |
1058 | // chi2 distance between ITSout and InnerParams tracks | |
1059 | // MC information | |
234cae2f | 1060 | |
c683985a | 1061 | Double_t x[3]; track->GetXYZ(x); |
1062 | Double_t b[3]; AliTracker::GetBxByBz(x,b); | |
1063 | ||
1064 | // | |
1065 | // Transform TPC inner params to track reference frame | |
1066 | // | |
1067 | Bool_t isOKtpcInner = kFALSE; | |
1068 | AliExternalTrackParam * tpcInner = (AliExternalTrackParam *)(track->GetTPCInnerParam()); | |
1069 | if (tpcInner) { | |
1070 | // transform to the track reference frame | |
1071 | isOKtpcInner = tpcInner->Rotate(track->GetAlpha()); | |
1072 | isOKtpcInner = tpcInner->PropagateTo(track->GetX(),esdEvent->GetMagneticField()); | |
1073 | } | |
1074 | ||
1075 | // | |
1076 | // Constrain TPC inner to vertex | |
1077 | // clone TPCinner has to be deleted | |
1078 | // | |
1079 | Bool_t isOKtpcInnerC = kFALSE; | |
1080 | AliExternalTrackParam * tpcInnerC = new AliExternalTrackParam(*(track->GetTPCInnerParam())); | |
1081 | if (tpcInnerC) { | |
1082 | isOKtpcInnerC = ConstrainTPCInner(tpcInnerC,vtxESD,b); | |
1083 | isOKtpcInnerC = tpcInnerC->Rotate(track->GetAlpha()); | |
1084 | isOKtpcInnerC = tpcInnerC->PropagateTo(track->GetX(),esdEvent->GetMagneticField()); | |
1085 | } | |
1086 | ||
1087 | // | |
1088 | // Constrain TPC refitted tracks at inner TPC wall (InnerParams) to vertex | |
1089 | // Clone track InnerParams has to be deleted | |
1090 | // | |
1091 | Bool_t isOKtrackInnerC = kFALSE; | |
1092 | AliExternalTrackParam * trackInnerC = new AliExternalTrackParam(*(track->GetInnerParam())); | |
1093 | if (trackInnerC) { | |
1094 | isOKtrackInnerC = ConstrainTrackInner(trackInnerC,vtxESD,track->GetMass(),b); | |
1095 | isOKtrackInnerC = trackInnerC->Rotate(track->GetAlpha()); | |
1096 | isOKtrackInnerC = trackInnerC->PropagateTo(track->GetX(),esdEvent->GetMagneticField()); | |
1097 | } | |
234cae2f | 1098 | |
c683985a | 1099 | // |
1100 | // calculate chi2 between vi and vj vectors | |
1101 | // with covi and covj covariance matrices | |
1102 | // chi2ij = (vi-vj)^(T)*(covi+covj)^(-1)*(vi-vj) | |
1103 | // | |
1104 | TMatrixD deltaT(5,1), deltaTtrackC(5,1); | |
1105 | TMatrixD delta(1,5), deltatrackC(1,5); | |
1106 | TMatrixD covarM(5,5), covarMtrackC(5,5); | |
1107 | TMatrixD chi2(1,1); | |
1108 | TMatrixD chi2trackC(1,1); | |
1109 | ||
1110 | if(isOKtpcInnerC && isOKtrackInnerC) | |
1111 | { | |
1112 | for (Int_t ipar=0; ipar<5; ipar++) { | |
1113 | deltaT(ipar,0)=tpcInnerC->GetParameter()[ipar]-track->GetParameter()[ipar]; | |
234cae2f | 1114 | delta(0,ipar)=tpcInnerC->GetParameter()[ipar]-track->GetParameter()[ipar]; |
c683985a | 1115 | |
1116 | deltaTtrackC(ipar,0)=trackInnerC->GetParameter()[ipar]-track->GetParameter()[ipar]; | |
234cae2f | 1117 | deltatrackC(0,ipar)=trackInnerC->GetParameter()[ipar]-track->GetParameter()[ipar]; |
c683985a | 1118 | |
1119 | for (Int_t jpar=0; jpar<5; jpar++) { | |
234cae2f | 1120 | Int_t index=track->GetIndex(ipar,jpar); |
1121 | covarM(ipar,jpar)=track->GetCovariance()[index]+tpcInnerC->GetCovariance()[index]; | |
1122 | covarMtrackC(ipar,jpar)=track->GetCovariance()[index]+trackInnerC->GetCovariance()[index]; | |
c683985a | 1123 | } |
1124 | } | |
1125 | ||
1126 | // chi2 distance TPC constrained and TPC+ITS | |
1127 | TMatrixD covarMInv = covarM.Invert(); | |
1128 | TMatrixD mat2 = covarMInv*deltaT; | |
1129 | chi2 = delta*mat2; | |
1130 | //chi2.Print(); | |
1131 | ||
1132 | // chi2 distance TPC refitted constrained and TPC+ITS | |
1133 | TMatrixD covarMInvtrackC = covarMtrackC.Invert(); | |
1134 | TMatrixD mat2trackC = covarMInvtrackC*deltaTtrackC; | |
1135 | chi2trackC = deltatrackC*mat2trackC; | |
1136 | //chi2trackC.Print(); | |
1137 | } | |
1138 | ||
1139 | ||
1140 | // | |
1141 | // Propagate ITSout to TPC inner wall | |
1142 | // and calculate chi2 distance to track (InnerParams) | |
1143 | // | |
1144 | const Double_t kTPCRadius=85; | |
1145 | const Double_t kStep=3; | |
1146 | ||
1147 | // clone track InnerParams has to be deleted | |
1148 | Bool_t isOKtrackInnerC2 = kFALSE; | |
1149 | AliExternalTrackParam *trackInnerC2 = new AliExternalTrackParam(*(track->GetInnerParam())); | |
1150 | if (trackInnerC2) { | |
1151 | isOKtrackInnerC2 = AliTracker::PropagateTrackToBxByBz(trackInnerC2,kTPCRadius,track->GetMass(),kStep,kFALSE); | |
1152 | } | |
1153 | ||
1154 | Bool_t isOKouterITSc = kFALSE; | |
1155 | AliExternalTrackParam *outerITSc = NULL; | |
1156 | TMatrixD chi2OuterITS(1,1); | |
1157 | ||
234cae2f | 1158 | if(esdFriend && !esdFriend->TestSkipBit()) |
c683985a | 1159 | { |
1160 | // propagate ITSout to TPC inner wall | |
c683985a | 1161 | if(friendTrack) |
234cae2f | 1162 | { |
1163 | ||
1164 | outerITSc = NULL; | |
1165 | if (friendTrack->GetITSOut()) outerITSc = new AliExternalTrackParam(*(friendTrack->GetITSOut())); | |
c683985a | 1166 | if(outerITSc) |
234cae2f | 1167 | { |
c683985a | 1168 | isOKouterITSc = AliTracker::PropagateTrackToBxByBz(outerITSc,kTPCRadius,track->GetMass(),kStep,kFALSE); |
1169 | isOKouterITSc = outerITSc->Rotate(trackInnerC2->GetAlpha()); | |
1170 | isOKouterITSc = outerITSc->PropagateTo(trackInnerC2->GetX(),esdEvent->GetMagneticField()); | |
1171 | ||
234cae2f | 1172 | // |
c683985a | 1173 | // calculate chi2 between outerITS and innerParams |
234cae2f | 1174 | // cov without z-coordinate at the moment |
1175 | // | |
c683985a | 1176 | TMatrixD deltaTouterITS(4,1); |
1177 | TMatrixD deltaouterITS(1,4); | |
1178 | TMatrixD covarMouterITS(4,4); | |
1179 | ||
1180 | if(isOKtrackInnerC2 && isOKouterITSc) { | |
234cae2f | 1181 | Int_t kipar = 0; |
1182 | Int_t kjpar = 0; | |
c683985a | 1183 | for (Int_t ipar=0; ipar<5; ipar++) { |
234cae2f | 1184 | if(ipar!=1) { |
c683985a | 1185 | deltaTouterITS(kipar,0)=outerITSc->GetParameter()[ipar]-trackInnerC2->GetParameter()[ipar]; |
234cae2f | 1186 | deltaouterITS(0,kipar)=outerITSc->GetParameter()[ipar]-trackInnerC2->GetParameter()[ipar]; |
1187 | } | |
c683985a | 1188 | |
1189 | kjpar=0; | |
1190 | for (Int_t jpar=0; jpar<5; jpar++) { | |
234cae2f | 1191 | Int_t index=outerITSc->GetIndex(ipar,jpar); |
1192 | if(ipar !=1 || jpar!=1) { | |
1193 | covarMouterITS(kipar,kjpar)=outerITSc->GetCovariance()[index]+trackInnerC2->GetCovariance()[index]; | |
1194 | } | |
c683985a | 1195 | if(jpar!=1) kjpar++; |
234cae2f | 1196 | } |
1197 | if(ipar!=1) kipar++; | |
1198 | } | |
c683985a | 1199 | |
1200 | // chi2 distance ITSout and InnerParams | |
1201 | TMatrixD covarMInvouterITS = covarMouterITS.Invert(); | |
1202 | TMatrixD mat2outerITS = covarMInvouterITS*deltaTouterITS; | |
1203 | chi2OuterITS = deltaouterITS*mat2outerITS; | |
1204 | //chi2OuterITS.Print(); | |
234cae2f | 1205 | } |
c683985a | 1206 | } |
1207 | } | |
1208 | } | |
1209 | ||
1210 | // | |
1211 | // MC info | |
1212 | // | |
1213 | TParticle *particle=NULL, *particleTPC=NULL, *particleITS=NULL; | |
1214 | TParticle *particleMother=NULL, *particleMotherTPC=NULL, *particleMotherITS=NULL; | |
1215 | Int_t mech=-1, mechTPC=-1, mechITS=-1; | |
1216 | Bool_t isPrim=kFALSE, isPrimTPC=kFALSE, isPrimITS=kFALSE; | |
1217 | Bool_t isFromStrangess=kFALSE, isFromStrangessTPC=kFALSE, isFromStrangessITS=kFALSE; | |
1218 | Bool_t isFromConversion=kFALSE, isFromConversionTPC=kFALSE, isFromConversionITS=kFALSE; | |
1219 | Bool_t isFromMaterial=kFALSE, isFromMaterialTPC=kFALSE, isFromMaterialITS=kFALSE; | |
1220 | ||
1221 | AliTrackReference *refTPCIn = NULL; | |
1222 | AliTrackReference *refTPCOut = NULL; | |
1223 | AliTrackReference *refITS = NULL; | |
1224 | AliTrackReference *refTRD = NULL; | |
1225 | AliTrackReference *refTOF = NULL; | |
1226 | AliTrackReference *refEMCAL = NULL; | |
1227 | AliTrackReference *refPHOS = NULL; | |
1228 | Int_t nrefTPC=0, nrefTRD=0, nrefTOF=0, nrefITS=0, nrefEMCAL=0, nrefPHOS=0; | |
1229 | ||
1230 | Bool_t isOKtrackInnerC3 = kFALSE; | |
1231 | AliExternalTrackParam *trackInnerC3 = new AliExternalTrackParam(*(track->GetInnerParam())); | |
2e16763c | 1232 | if(mcEvent && stack) |
c683985a | 1233 | { |
2e16763c | 1234 | do //artificial loop (once) to make the continue statements jump out of the MC part |
234cae2f | 1235 | { |
2e16763c | 1236 | multMCTrueTracks = GetMCTrueTrackMult(mcEvent,evtCuts,accCuts); |
1237 | // | |
1238 | // global track | |
1239 | // | |
1240 | Int_t label = TMath::Abs(track->GetLabel()); | |
1241 | if (label >= mcStackSize) continue; | |
1242 | particle = stack->Particle(label); | |
1243 | if (!particle) continue; | |
1244 | if(particle && particle->GetPDG() && particle->GetPDG()->Charge()!=0.) | |
1245 | { | |
1246 | particleMother = GetMother(particle,stack); | |
1247 | mech = particle->GetUniqueID(); | |
1248 | isPrim = stack->IsPhysicalPrimary(label); | |
1249 | isFromStrangess = IsFromStrangeness(label,stack); | |
1250 | isFromConversion = IsFromConversion(label,stack); | |
1251 | isFromMaterial = IsFromMaterial(label,stack); | |
1252 | } | |
c683985a | 1253 | |
2e16763c | 1254 | // |
1255 | // TPC track | |
1256 | // | |
1257 | Int_t labelTPC = TMath::Abs(track->GetTPCLabel()); | |
1258 | if (labelTPC >= mcStackSize) continue; | |
1259 | particleTPC = stack->Particle(labelTPC); | |
1260 | if (!particleTPC) continue; | |
1261 | if(particleTPC && particleTPC->GetPDG() && particleTPC->GetPDG()->Charge()!=0.) | |
1262 | { | |
1263 | particleMotherTPC = GetMother(particleTPC,stack); | |
1264 | mechTPC = particleTPC->GetUniqueID(); | |
1265 | isPrimTPC = stack->IsPhysicalPrimary(labelTPC); | |
1266 | isFromStrangessTPC = IsFromStrangeness(labelTPC,stack); | |
1267 | isFromConversionTPC = IsFromConversion(labelTPC,stack); | |
1268 | isFromMaterialTPC = IsFromMaterial(labelTPC,stack); | |
1269 | } | |
c683985a | 1270 | |
2e16763c | 1271 | // |
1272 | // store first track reference | |
1273 | // for TPC track | |
1274 | // | |
1275 | TParticle *part=0; | |
1276 | TClonesArray *trefs=0; | |
1277 | Int_t status = mcEvent->GetParticleAndTR(TMath::Abs(labelTPC), part, trefs); | |
c683985a | 1278 | |
2e16763c | 1279 | if(status>0 && part && trefs && part->GetPDG() && part->GetPDG()->Charge()!=0.) |
c683985a | 1280 | { |
2e16763c | 1281 | Int_t nTrackRef = trefs->GetEntries(); |
1282 | //printf("nTrackRef %d \n",nTrackRef); | |
c683985a | 1283 | |
2e16763c | 1284 | Int_t countITS = 0; |
1285 | for (Int_t iref = 0; iref < nTrackRef; iref++) | |
c683985a | 1286 | { |
2e16763c | 1287 | AliTrackReference *ref = (AliTrackReference *)trefs->At(iref); |
1288 | ||
1289 | // Ref. in the middle ITS | |
1290 | if(ref && ref->Label()==label && ref->DetectorId()==AliTrackReference::kITS) | |
1291 | { | |
1292 | nrefITS++; | |
1293 | if(!refITS && countITS==2) { | |
1294 | refITS = ref; | |
1295 | //printf("refITS %p \n",refITS); | |
1296 | } | |
1297 | countITS++; | |
234cae2f | 1298 | } |
c683985a | 1299 | |
2e16763c | 1300 | // TPC |
1301 | if(ref && ref->Label()==label && ref->DetectorId()==AliTrackReference::kTPC) | |
1302 | { | |
1303 | nrefTPC++; | |
1304 | refTPCOut=ref; | |
1305 | if(!refTPCIn) { | |
1306 | refTPCIn = ref; | |
1307 | //printf("refTPCIn %p \n",refTPCIn); | |
1308 | //break; | |
1309 | } | |
234cae2f | 1310 | } |
2e16763c | 1311 | // TRD |
1312 | if(ref && ref->Label()==label && ref->DetectorId()==AliTrackReference::kTRD) | |
1313 | { | |
1314 | nrefTRD++; | |
1315 | if(!refTRD) { | |
1316 | refTRD = ref; | |
1317 | } | |
234cae2f | 1318 | } |
2e16763c | 1319 | // TOF |
1320 | if(ref && ref->Label()==label && ref->DetectorId()==AliTrackReference::kTOF) | |
1321 | { | |
1322 | nrefTOF++; | |
1323 | if(!refTOF) { | |
1324 | refTOF = ref; | |
1325 | } | |
234cae2f | 1326 | } |
2e16763c | 1327 | // EMCAL |
1328 | if(ref && ref->Label()==label && ref->DetectorId()==AliTrackReference::kEMCAL) | |
1329 | { | |
1330 | nrefEMCAL++; | |
1331 | if(!refEMCAL) { | |
1332 | refEMCAL = ref; | |
1333 | } | |
1334 | } | |
1335 | // PHOS | |
1336 | // if(ref && ref->Label()==label && ref->DetectorId()==AliTrackReference::kPHOS) | |
1337 | // { | |
1338 | // nrefPHOS++; | |
1339 | // if(!refPHOS) { | |
1340 | // refPHOS = ref; | |
1341 | // } | |
1342 | // } | |
c683985a | 1343 | } |
2e16763c | 1344 | |
1345 | // transform inner params to TrackRef | |
1346 | // reference frame | |
1347 | if(refTPCIn && trackInnerC3) | |
c683985a | 1348 | { |
2e16763c | 1349 | Double_t kRefPhi = TMath::ATan2(refTPCIn->Y(),refTPCIn->X()); |
1350 | isOKtrackInnerC3 = trackInnerC3->Rotate(kRefPhi); | |
1351 | isOKtrackInnerC3 = AliTracker::PropagateTrackToBxByBz(trackInnerC3,refTPCIn->R(),track->GetMass(),kStep,kFALSE); | |
c683985a | 1352 | } |
234cae2f | 1353 | } |
c683985a | 1354 | |
2e16763c | 1355 | // |
1356 | // ITS track | |
1357 | // | |
1358 | Int_t labelITS = TMath::Abs(track->GetITSLabel()); | |
1359 | if (labelITS >= mcStackSize) continue; | |
1360 | particleITS = stack->Particle(labelITS); | |
1361 | if (!particleITS) continue; | |
1362 | if(particleITS && particleITS->GetPDG() && particleITS->GetPDG()->Charge()!=0.) | |
234cae2f | 1363 | { |
2e16763c | 1364 | particleMotherITS = GetMother(particleITS,stack); |
1365 | mechITS = particleITS->GetUniqueID(); | |
1366 | isPrimITS = stack->IsPhysicalPrimary(labelITS); | |
1367 | isFromStrangessITS = IsFromStrangeness(labelITS,stack); | |
1368 | isFromConversionITS = IsFromConversion(labelITS,stack); | |
1369 | isFromMaterialITS = IsFromMaterial(labelITS,stack); | |
234cae2f | 1370 | } |
c683985a | 1371 | } |
2e16763c | 1372 | while (0); |
c683985a | 1373 | } |
1374 | ||
234cae2f | 1375 | // |
2e16763c | 1376 | Bool_t dumpToTree=kFALSE; |
1377 | ||
1378 | if(isOKtpcInnerC && isOKtrackInnerC) dumpToTree = kTRUE; | |
1379 | //if(fUseESDfriends && isOKtrackInnerC2 && isOKouterITSc) dumpToTree = kTRUE; | |
1380 | if(isOKtrackInnerC2 && isOKouterITSc) dumpToTree = kTRUE; | |
1381 | if(mcEvent && isOKtrackInnerC3) dumpToTree = kTRUE; | |
1382 | TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data(); | |
1383 | if (fReducePileUp){ | |
1384 | // | |
1385 | // 18.03 - Reduce pile-up chunks, done outside of the ESDTrackCuts for 2012/2013 data pile-up about 95 % of tracks | |
1386 | // Done only in case no MC info | |
1387 | // | |
1388 | Float_t dcaTPC[2]; | |
1389 | track->GetImpactParametersTPC(dcaTPC[0],dcaTPC[1]); | |
1390 | Bool_t isRoughPrimary = TMath::Abs(dcaTPC[1])<10; | |
1391 | Bool_t hasOuter=(track->IsOn(AliVTrack::kITSin))||(track->IsOn(AliVTrack::kTOFout))||(track->IsOn(AliVTrack::kTRDin)); | |
1392 | Bool_t keepPileUp=gRandom->Rndm()<0.05; | |
1393 | if ( (!hasOuter) && (!isRoughPrimary) && (!keepPileUp)){ | |
1394 | dumpToTree=kFALSE; | |
1395 | } | |
234cae2f | 1396 | } |
c683985a | 1397 | |
2e16763c | 1398 | //init dummy objects |
b3982e10 | 1399 | static AliESDVertex dummyvtxESD; |
1400 | //if (!dummyvtxESD) | |
1401 | //{ | |
1402 | // dummyvtxESD=new AliESDVertex(); | |
1403 | // //dummyvtxESD->SetNContributors(1); | |
1404 | // //UShort_t pindices[1]; pindices[0]=0; | |
1405 | // //dummyvtxESD->SetIndices(1,pindices); | |
1406 | // //dummyvtxESD->SetNContributors(0); | |
1407 | //} | |
1408 | static AliExternalTrackParam dummyexternaltrackparam; | |
1409 | //if (!dummyexternaltrackparam) dummyexternaltrackparam=new AliExternalTrackParam(); | |
1410 | static AliTrackReference dummytrackreference; | |
1411 | //if (!dummytrackreference) dummytrackreference=new AliTrackReference(); | |
1412 | static TParticle dummyparticle; | |
1413 | //if (!dummyparticle) dummyparticle=new TParticle(); | |
2e16763c | 1414 | |
1415 | //assign the dummy objects if needed | |
b3982e10 | 1416 | if (!track) {track=fDummyTrack;} |
b4990577 | 1417 | AliESDfriendTrack *friendTrackStore=friendTrack; // store friend track for later processing |
1418 | if (fFriendDownscaling>=1){ // downscaling number of friend tracks | |
1419 | friendTrackStore = (gRandom->Rndm()<1./fFriendDownscaling)? friendTrack:0; | |
1420 | } | |
1421 | if (fFriendDownscaling<=0){ | |
1422 | if (((*fTreeSRedirector)<<"highPt").GetTree()){ | |
1423 | TTree * tree = ((*fTreeSRedirector)<<"highPt").GetTree(); | |
1424 | if (tree){ | |
1425 | Double_t sizeAll=tree->GetZipBytes(); | |
1426 | TBranch * br= tree->GetBranch("friendTrack.fPoints"); | |
1427 | Double_t sizeFriend=(br!=NULL)?br->GetZipBytes():0; | |
82522b46 | 1428 | br= tree->GetBranch("friendTrack.fCalibContainer"); |
b4990577 | 1429 | if (br) sizeFriend+=br->GetZipBytes(); |
1430 | if (sizeFriend*TMath::Abs(fFriendDownscaling)>sizeAll) friendTrackStore=0; | |
1431 | } | |
1432 | } | |
1433 | } | |
1434 | ||
1435 | ||
1436 | // if (!friendTrackStore && fFriendDownscaling<=1) {friendTrack=fDummyFriendTrack;} | |
b3982e10 | 1437 | if (!vtxESD) {vtxESD=&dummyvtxESD;} |
c683985a | 1438 | if (mcEvent) |
1439 | { | |
b3982e10 | 1440 | if (!refTPCIn) {refTPCIn=&dummytrackreference;} |
1441 | if (!refITS) {refITS=&dummytrackreference;} | |
1442 | if (!particle) {particle=&dummyparticle;} | |
1443 | if (!particleMother) {particleMother=&dummyparticle;} | |
1444 | if (!particleTPC) {particleTPC=&dummyparticle;} | |
1445 | if (!particleMotherTPC) {particleMotherTPC=&dummyparticle;} | |
1446 | if (!particleITS) {particleITS=&dummyparticle;} | |
1447 | if (!particleMotherITS) {particleMotherITS=&dummyparticle;} | |
c683985a | 1448 | } |
2e16763c | 1449 | //the following are guaranteed to exist: |
b3982e10 | 1450 | //if (!tpcInnerC) {tpcInnerC=&dummyexternaltrackparam;} |
1451 | //if (!trackInnerC) {trackInnerC=&dummyexternaltrackparam;} | |
1452 | //if (!trackInnerC2) {trackInnerC2=&dummyexternaltrackparam;} | |
1453 | //if (!outerITSc) {outerITSc=&dummyexternaltrackparam;} | |
1454 | //if (!trackInnerC3) {trackInnerC3=&dummyexternaltrackparam;} | |
2e16763c | 1455 | ///////////////////////// |
1456 | ||
1457 | //Double_t vtxX=vtxESD->GetX(); | |
1458 | //Double_t vtxY=vtxESD->GetY(); | |
1459 | //Double_t vtxZ=vtxESD->GetZ(); | |
1460 | ||
1461 | //AliESDVertex* pvtxESD = (AliESDVertex*)vtxESD->Clone(); | |
1462 | //AliESDtrack* ptrack=(AliESDtrack*)track->Clone(); | |
1463 | //AliExternalTrackParam* ptpcInnerC = (AliExternalTrackParam*)tpcInnerC->Clone(); | |
1464 | //AliExternalTrackParam* ptrackInnerC = (AliExternalTrackParam*)trackInnerC->Clone(); | |
1465 | //AliExternalTrackParam* ptrackInnerC2 = (AliExternalTrackParam*)trackInnerC2->Clone(); | |
1466 | //AliExternalTrackParam* pouterITSc = (AliExternalTrackParam*)outerITSc->Clone(); | |
1467 | //AliExternalTrackParam* ptrackInnerC3 = (AliExternalTrackParam*)trackInnerC3->Clone(); | |
1468 | //AliESDVertex* pvtxESD = new AliESDVertex(*vtxESD); | |
1469 | //AliESDtrack* ptrack= new AliESDtrack(*track); | |
1470 | //AliExternalTrackParam* ptpcInnerC = new AliExternalTrackParam(*tpcInnerC); | |
1471 | //AliExternalTrackParam* ptrackInnerC = new AliExternalTrackParam(*trackInnerC); | |
1472 | //AliExternalTrackParam* ptrackInnerC2 = new AliExternalTrackParam(*trackInnerC2); | |
1473 | //AliExternalTrackParam* pouterITSc = new AliExternalTrackParam(*outerITSc); | |
1474 | //AliExternalTrackParam* ptrackInnerC3 = new AliExternalTrackParam(*trackInnerC3); | |
1475 | ||
1476 | Int_t ntracks = esdEvent->GetNumberOfTracks(); | |
1477 | ||
1478 | // Global event id calculation using orbitID, bunchCrossingID and periodID | |
1479 | ULong64_t orbitID = (ULong64_t)esdEvent->GetOrbitNumber(); | |
1480 | ULong64_t bunchCrossID = (ULong64_t)esdEvent->GetBunchCrossNumber(); | |
1481 | ULong64_t periodID = (ULong64_t)esdEvent->GetPeriodNumber(); | |
1482 | ULong64_t gid = ((periodID << 36) | (orbitID << 12) | bunchCrossID); | |
1483 | ||
1484 | // fill histograms | |
1485 | FillHistograms(track, tpcInnerC, centralityF, (Double_t)chi2(0,0)); | |
1486 | ||
1487 | if(fTreeSRedirector && dumpToTree && fFillTree) | |
1488 | { | |
c683985a | 1489 | |
2e16763c | 1490 | //if (friendTrack) |
1491 | //{ | |
1492 | // const AliTrackPointArray* array = friendTrack->GetTrackPointArray(); | |
1493 | // if (!array) {printf("we have a friend, but the ponits are empty\n"); continue;} | |
1494 | // if (friendTrack==fDummyFriendTrack) printf("using the dummy friend track\n"); | |
1495 | // cout<<array->GetX()[0]<<" "<<array->GetX()[2]<<endl; | |
1496 | //} | |
1497 | //else | |
1498 | //{ | |
1499 | // printf("no friend track\n"); | |
1500 | //} | |
b4990577 | 1501 | |
2e16763c | 1502 | |
1503 | (*fTreeSRedirector)<<"highPt"<< | |
1504 | "gid="<<gid<< | |
1505 | "fileName.="<<&fileName<< // name of the chunk file (hopefully full) | |
1506 | "runNumber="<<runNumber<< // runNumber | |
1507 | "evtTimeStamp="<<evtTimeStamp<< // time stamp of event (in seconds) | |
1508 | "evtNumberInFile="<<evtNumberInFile<< // event number | |
1509 | "triggerClass="<<&triggerClass<< // trigger class as a string | |
1510 | "Bz="<<bz<< // solenoid magnetic field in the z direction (in kGaus) | |
1511 | "vtxESD.="<<vtxESD<< // vertexer ESD tracks (can be biased by TPC pileup tracks) | |
1512 | //"vtxESDx="<<vtxX<< | |
1513 | //"vtxESDy="<<vtxY<< | |
1514 | //"vtxESDz="<<vtxZ<< | |
1515 | "IRtot="<<ir1<< // interaction record (trigger) counters - coutner 1 | |
1516 | "IRint2="<<ir2<< // interaction record (trigger) coutners - counter 2 | |
1517 | "mult="<<mult<< // multiplicity of tracks pointing to the primary vertex | |
1518 | "ntracks="<<ntracks<< // number of the esd tracks (to take into account the pileup in the TPC) | |
1519 | // important variables for the pile-up studies | |
1520 | "contTPC="<< contTPC<< // number of contributors to the TPC primary vertex candidate | |
1521 | "contSPD="<< contSPD<< // number of contributors to the SPD primary vertex candidate | |
1522 | "vertexPosTPC.="<<&vertexPosTPC<< // TPC vertex position | |
1523 | "vertexPosSPD.="<<&vertexPosSPD<< // SPD vertex position | |
1524 | "ntracksTPC="<<ntracksTPC<< // total number of the TPC tracks which were refitted | |
1525 | "ntracksITS="<<ntracksITS<< // total number of the ITS tracks which were refitted | |
1526 | // | |
1527 | "esdTrack.="<<track<< // esdTrack as used in the physical analysis | |
b4990577 | 1528 | // "friendTrack.="<<friendTrack<< // esdFriendTrack associated to the esdTrack |
1529 | "friendTrack.="<<friendTrackStore<< // esdFriendTrack associated to the esdTrack | |
2e16763c | 1530 | "extTPCInnerC.="<<tpcInnerC<< // ??? |
1531 | "extInnerParamC.="<<trackInnerC<< // ??? | |
1532 | "extInnerParam.="<<trackInnerC2<< // ??? | |
1533 | "extOuterITS.="<<outerITSc<< // ??? | |
1534 | "extInnerParamRef.="<<trackInnerC3<< // ??? | |
1535 | "chi2TPCInnerC="<<chi2(0,0)<< // chi2 of tracks ??? | |
1536 | "chi2InnerC="<<chi2trackC(0,0)<< // chi2s of tracks TPCinner to the combined | |
1537 | "chi2OuterITS="<<chi2OuterITS(0,0)<< // chi2s of tracks TPC at inner wall to the ITSout | |
1538 | "centralityF="<<centralityF; | |
1539 | if (mcEvent) | |
1540 | { | |
b3982e10 | 1541 | static AliTrackReference refDummy; |
2e16763c | 1542 | if (!refITS) refITS = &refDummy; |
1543 | if (!refTRD) refTRD = &refDummy; | |
1544 | if (!refTOF) refTOF = &refDummy; | |
1545 | if (!refEMCAL) refEMCAL = &refDummy; | |
1546 | if (!refPHOS) refPHOS = &refDummy; | |
1547 | (*fTreeSRedirector)<<"highPt"<< | |
1548 | "multMCTrueTracks="<<multMCTrueTracks<< // mC track multiplicities | |
1549 | "nrefITS="<<nrefITS<< // number of track references in the ITS | |
1550 | "nrefTPC="<<nrefTPC<< // number of track references in the TPC | |
1551 | "nrefTRD="<<nrefTRD<< // number of track references in the TRD | |
1552 | "nrefTOF="<<nrefTOF<< // number of track references in the TOF | |
1553 | "nrefEMCAL="<<nrefEMCAL<< // number of track references in the TOF | |
1554 | "nrefPHOS="<<nrefPHOS<< // number of track references in the TOF | |
1555 | "refTPCIn.="<<refTPCIn<< | |
1556 | "refTPCOut.="<<refTPCOut<< | |
1557 | "refITS.="<<refITS<< | |
1558 | "refTRD.="<<refTRD<< | |
1559 | "refTOF.="<<refTOF<< | |
1560 | "refEMCAL.="<<refEMCAL<< | |
1561 | "refPHOS.="<<refPHOS<< | |
1562 | "particle.="<<particle<< | |
1563 | "particleMother.="<<particleMother<< | |
1564 | "mech="<<mech<< | |
1565 | "isPrim="<<isPrim<< | |
1566 | "isFromStrangess="<<isFromStrangess<< | |
1567 | "isFromConversion="<<isFromConversion<< | |
1568 | "isFromMaterial="<<isFromMaterial<< | |
1569 | "particleTPC.="<<particleTPC<< | |
1570 | "particleMotherTPC.="<<particleMotherTPC<< | |
1571 | "mechTPC="<<mechTPC<< | |
1572 | "isPrimTPC="<<isPrimTPC<< | |
1573 | "isFromStrangessTPC="<<isFromStrangessTPC<< | |
1574 | "isFromConversionTPC="<<isFromConversionTPC<< | |
1575 | "isFromMaterialTPC="<<isFromMaterialTPC<< | |
1576 | "particleITS.="<<particleITS<< | |
1577 | "particleMotherITS.="<<particleMotherITS<< | |
1578 | "mechITS="<<mechITS<< | |
1579 | "isPrimITS="<<isPrimITS<< | |
1580 | "isFromStrangessITS="<<isFromStrangessITS<< | |
1581 | "isFromConversionITS="<<isFromConversionITS<< | |
1582 | "isFromMaterialITS="<<isFromMaterialITS; | |
1583 | } | |
1584 | //finish writing the entry | |
1585 | AliInfo("writing tree highPt"); | |
1586 | (*fTreeSRedirector)<<"highPt"<<"\n"; | |
1587 | } | |
82522b46 | 1588 | AliSysInfo::AddStamp("filteringTask",iTrack,numberOfTracks,numberOfFriendTracks,(friendTrackStore)?0:1); |
2e16763c | 1589 | |
1590 | delete tpcInnerC; | |
1591 | delete trackInnerC; | |
1592 | delete trackInnerC2; | |
1593 | delete outerITSc; | |
1594 | delete trackInnerC3; | |
1595 | } | |
c683985a | 1596 | } |
1597 | ||
1598 | } | |
1599 | ||
1600 | ||
1601 | //_____________________________________________________________________________ | |
1602 | void AliAnalysisTaskFilteredTree::ProcessMCEff(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent, AliESDfriend *const /*esdFriend*/) | |
1603 | { | |
1604 | // | |
1605 | // Fill tree for efficiency studies MC only | |
1606 | AliInfo("we start!"); | |
1607 | ||
1608 | if(!esdEvent) { | |
1609 | AliDebug(AliLog::kError, "esdEvent not available"); | |
1610 | return; | |
1611 | } | |
1612 | ||
1613 | if(!mcEvent) { | |
1614 | AliDebug(AliLog::kError, "mcEvent not available"); | |
1615 | return; | |
1616 | } | |
1617 | ||
1618 | // get selection cuts | |
1619 | AliFilteredTreeEventCuts *evtCuts = GetEventCuts(); | |
1620 | AliFilteredTreeAcceptanceCuts *accCuts = GetAcceptanceCuts(); | |
1621 | AliESDtrackCuts *esdTrackCuts = GetTrackCuts(); | |
1622 | ||
1623 | if(!evtCuts || !accCuts || !esdTrackCuts) { | |
1624 | AliDebug(AliLog::kError, "cuts not available"); | |
1625 | return; | |
1626 | } | |
1627 | ||
1628 | // trigger selection | |
1629 | Bool_t isEventTriggered = kTRUE; | |
1630 | AliPhysicsSelection *physicsSelection = NULL; | |
1631 | AliTriggerAnalysis* triggerAnalysis = NULL; | |
1632 | ||
1633 | // | |
1634 | AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler(); | |
1635 | if (!inputHandler) | |
1636 | { | |
1637 | Printf("ERROR: Could not receive input handler"); | |
1638 | return; | |
1639 | } | |
1640 | ||
1641 | // get file name | |
1642 | TTree *chain = (TChain*)GetInputData(0); | |
1643 | if(!chain) { | |
1644 | Printf("ERROR: Could not receive input chain"); | |
1645 | return; | |
1646 | } | |
1647 | TObjString fileName(chain->GetCurrentFile()->GetName()); | |
1648 | ||
1649 | // trigger | |
1650 | if(evtCuts->IsTriggerRequired()) | |
1651 | { | |
1652 | // always MB | |
1653 | isEventTriggered = inputHandler->IsEventSelected() & AliVEvent::kMB; | |
1654 | ||
1655 | physicsSelection = static_cast<AliPhysicsSelection*> (inputHandler->GetEventSelection()); | |
1656 | if(!physicsSelection) return; | |
1657 | ||
1658 | if (isEventTriggered && (GetTrigger() == AliTriggerAnalysis::kV0AND)) { | |
1659 | // set trigger (V0AND) | |
1660 | triggerAnalysis = physicsSelection->GetTriggerAnalysis(); | |
1661 | if(!triggerAnalysis) return; | |
1662 | isEventTriggered = triggerAnalysis->IsOfflineTriggerFired(esdEvent, GetTrigger()); | |
1663 | } | |
1664 | } | |
1665 | ||
1666 | // centrality determination | |
1667 | Float_t centralityF = -1; | |
1668 | AliCentrality *esdCentrality = esdEvent->GetCentrality(); | |
1669 | centralityF = esdCentrality->GetCentralityPercentile(fCentralityEstimator.Data()); | |
1670 | ||
1671 | // use MC information | |
1672 | AliHeader* header = 0; | |
1673 | AliGenEventHeader* genHeader = 0; | |
1674 | AliStack* stack = 0; | |
1675 | Int_t mcStackSize=0; | |
1676 | TArrayF vtxMC(3); | |
1677 | ||
1678 | Int_t multMCTrueTracks = 0; | |
1679 | // | |
1680 | if(!mcEvent) { | |
1681 | AliDebug(AliLog::kError, "mcEvent not available"); | |
1682 | return; | |
1683 | } | |
1684 | // get MC event header | |
1685 | header = mcEvent->Header(); | |
1686 | if (!header) { | |
1687 | AliDebug(AliLog::kError, "Header not available"); | |
1688 | return; | |
1689 | } | |
1690 | // MC particle stack | |
1691 | stack = mcEvent->Stack(); | |
1692 | if (!stack) { | |
1693 | AliDebug(AliLog::kError, "Stack not available"); | |
1694 | return; | |
1695 | } | |
1696 | mcStackSize=stack->GetNtrack(); | |
1697 | ||
1698 | // get MC vertex | |
1699 | genHeader = header->GenEventHeader(); | |
1700 | if (!genHeader) { | |
1701 | AliDebug(AliLog::kError, "Could not retrieve genHeader from Header"); | |
1702 | return; | |
1703 | } | |
1704 | genHeader->PrimaryVertex(vtxMC); | |
1705 | ||
1706 | // multipliticy of all MC primary tracks | |
1707 | // in Zv, pt and eta ranges) | |
1708 | multMCTrueTracks = GetMCTrueTrackMult(mcEvent,evtCuts,accCuts); | |
1709 | ||
1710 | ||
1711 | // get reconstructed vertex | |
1712 | //const AliESDVertex* vtxESD = 0; | |
1713 | AliESDVertex* vtxESD = 0; | |
1714 | if(GetAnalysisMode() == kTPCAnalysisMode) { | |
1715 | vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC(); | |
1716 | } | |
1717 | else if(GetAnalysisMode() == kTPCITSAnalysisMode) { | |
1718 | vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTracks(); | |
1719 | } | |
1720 | else { | |
1721 | return; | |
1722 | } | |
1723 | ||
1724 | if(!vtxESD) return; | |
1725 | // | |
1726 | // Vertex info comparison and track multiplicity | |
1727 | // | |
1728 | AliESDVertex *vertexSPD = (AliESDVertex *)esdEvent->GetPrimaryVertexSPD(); | |
1729 | AliESDVertex *vertexTPC = (AliESDVertex *)esdEvent->GetPrimaryVertexTPC(); | |
1730 | Int_t contSPD = vertexSPD->GetNContributors(); | |
1731 | Int_t contTPC = vertexTPC->GetNContributors(); | |
1732 | TVectorD vertexPosTPC(3), vertexPosSPD(3); | |
1733 | vertexSPD->GetXYZ(vertexPosSPD.GetMatrixArray()); | |
1734 | vertexTPC->GetXYZ(vertexPosTPC.GetMatrixArray()); | |
1735 | Int_t ntracksTPC=0; | |
1736 | Int_t ntracksITS=0; | |
1737 | for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++){ | |
1738 | AliESDtrack *track = esdEvent->GetTrack(iTrack); | |
1739 | if(!track) continue; | |
1740 | if (track->IsOn(AliVTrack::kTPCrefit)) ntracksTPC++; | |
1741 | if (track->IsOn(AliVTrack::kITSrefit)) ntracksITS++; | |
1742 | } | |
1743 | ||
1744 | Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD); | |
1745 | //printf("isEventOK %d, isEventTriggered %d \n",isEventOK, isEventTriggered); | |
1746 | //printf("GetAnalysisMode() %d \n",GetAnalysisMode()); | |
1747 | ||
1748 | TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data(); | |
1749 | ||
1750 | // check event cuts | |
1751 | if(isEventOK && isEventTriggered) | |
1752 | { | |
1753 | //if(!stack) return; | |
1754 | ||
1755 | // | |
1756 | // MC info | |
1757 | // | |
1758 | TParticle *particle=NULL; | |
1759 | TParticle *particleMother=NULL; | |
1760 | Int_t mech=-1; | |
1761 | ||
1762 | // reco event info | |
1763 | Double_t vert[3] = {0}; | |
1764 | vert[0] = vtxESD->GetXv(); | |
1765 | vert[1] = vtxESD->GetYv(); | |
1766 | vert[2] = vtxESD->GetZv(); | |
1767 | Int_t mult = vtxESD->GetNContributors(); | |
1768 | Double_t bz = esdEvent->GetMagneticField(); | |
1769 | Double_t runNumber = esdEvent->GetRunNumber(); | |
1770 | Double_t evtTimeStamp = esdEvent->GetTimeStamp(); | |
1771 | Int_t evtNumberInFile = esdEvent->GetEventNumberInFile(); | |
234cae2f | 1772 | // loop over MC stack |
c683985a | 1773 | for (Int_t iMc = 0; iMc < mcStackSize; ++iMc) |
1774 | { | |
1775 | particle = stack->Particle(iMc); | |
1776 | if (!particle) | |
1777 | continue; | |
1778 | ||
1779 | // only charged particles | |
1780 | if(!particle->GetPDG()) continue; | |
1781 | Double_t charge = particle->GetPDG()->Charge()/3.; | |
1782 | if (TMath::Abs(charge) < 0.001) | |
1783 | continue; | |
1784 | ||
1785 | // only primary particles | |
1786 | Bool_t prim = stack->IsPhysicalPrimary(iMc); | |
1787 | if(!prim) continue; | |
1788 | ||
1789 | // downscale low-pT particles | |
1790 | Double_t scalempt= TMath::Min(particle->Pt(),10.); | |
1791 | Double_t downscaleF = gRandom->Rndm(); | |
1792 | downscaleF *= fLowPtTrackDownscaligF; | |
1793 | if(TMath::Exp(2*scalempt)<downscaleF) continue; | |
1794 | ||
1795 | // is particle in acceptance | |
1796 | if(!accCuts->AcceptTrack(particle)) continue; | |
1797 | ||
1798 | // check if particle reconstructed | |
1799 | Bool_t isRec = kFALSE; | |
1800 | Int_t trackIndex = -1; | |
1801 | Int_t trackLoopIndex = -1; | |
1802 | Int_t isESDtrackCut= 0; | |
1803 | Int_t isAccCuts = 0; | |
1804 | Int_t nRec = 0; // how many times reconstructed | |
1805 | Int_t nFakes = 0; // how many times reconstructed as a fake track | |
1806 | AliESDtrack *recTrack = NULL; | |
1807 | ||
1808 | for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++) | |
1809 | { | |
1810 | AliESDtrack *track = esdEvent->GetTrack(iTrack); | |
1811 | if(!track) continue; | |
1812 | if(track->Charge()==0) continue; | |
234cae2f | 1813 | // |
1814 | Int_t label = TMath::Abs(track->GetLabel()); | |
1815 | if (label >= mcStackSize) continue; | |
1816 | if(label == iMc) { | |
1817 | Bool_t isAcc=esdTrackCuts->AcceptTrack(track); | |
1818 | if (isAcc) isESDtrackCut=1; | |
1819 | if (accCuts->AcceptTrack(track)) isAccCuts=1; | |
1820 | isRec = kTRUE; | |
c683985a | 1821 | trackIndex = iTrack; |
1822 | ||
234cae2f | 1823 | if (recTrack){ |
1824 | if (track->GetTPCncls()<recTrack->GetTPCncls()) continue; // in case looper tracks use longer track | |
1825 | if (!isAcc) continue; | |
1826 | trackLoopIndex = iTrack; | |
1827 | } | |
1828 | recTrack = esdEvent->GetTrack(trackIndex); | |
c683985a | 1829 | nRec++; |
1830 | if(track->GetLabel()<0) nFakes++; | |
1831 | ||
234cae2f | 1832 | continue; |
1833 | } | |
c683985a | 1834 | } |
234cae2f | 1835 | |
c683985a | 1836 | // Store information in the output tree |
1837 | if (trackLoopIndex>-1) { | |
1838 | recTrack = esdEvent->GetTrack(trackLoopIndex); | |
1839 | } else if (trackIndex >-1) { | |
1840 | recTrack = esdEvent->GetTrack(trackIndex); | |
1841 | } else { | |
2e16763c | 1842 | recTrack = fDummyTrack; |
c683985a | 1843 | } |
1844 | ||
1845 | particleMother = GetMother(particle,stack); | |
1846 | mech = particle->GetUniqueID(); | |
1847 | ||
1848 | //MC particle track length | |
1849 | Double_t tpcTrackLength = 0.; | |
1850 | AliMCParticle *mcParticle = (AliMCParticle*) mcEvent->GetTrack(iMc); | |
1851 | if(mcParticle) { | |
1852 | Int_t counter; | |
1853 | tpcTrackLength = mcParticle->GetTPCTrackLength(bz,0.05,counter,3.0); | |
1854 | } | |
1855 | ||
1856 | ||
1857 | // | |
1858 | if(fTreeSRedirector && fFillTree) { | |
1859 | (*fTreeSRedirector)<<"MCEffTree"<< | |
1860 | "fileName.="<<&fileName<< | |
1861 | "triggerClass.="<<&triggerClass<< | |
1862 | "runNumber="<<runNumber<< | |
1863 | "evtTimeStamp="<<evtTimeStamp<< | |
1864 | "evtNumberInFile="<<evtNumberInFile<< // | |
1865 | "Bz="<<bz<< // magnetic field | |
1866 | "vtxESD.="<<vtxESD<< // vertex info | |
234cae2f | 1867 | // |
c683985a | 1868 | "mult="<<mult<< // primary vertex 9whatewe found) multiplicity |
234cae2f | 1869 | "multMCTrueTracks="<<multMCTrueTracks<< // mC track multiplicities |
1870 | // important variables for the pile-up studies | |
1871 | "contTPC="<< contTPC<< // number of contributors to the TPC primary vertex candidate | |
1872 | "contSPD="<< contSPD<< // number of contributors to the SPD primary vertex candidate | |
1873 | "vertexPosTPC.="<<&vertexPosTPC<< // TPC vertex position | |
1874 | "vertexPosSPD.="<<&vertexPosSPD<< // SPD vertex position | |
1875 | "ntracksTPC="<<ntracksTPC<< // total number of the TPC tracks which were refitted | |
1876 | "ntracksITS="<<ntracksITS<< // total number of the ITS tracks which were refitted | |
1877 | // | |
1878 | // | |
1879 | "isAcc0="<<isESDtrackCut<< // track accepted by ESD track cuts | |
1880 | "isAcc1="<<isAccCuts<< // track accepted by acceptance cuts flag | |
c683985a | 1881 | "esdTrack.="<<recTrack<< // reconstructed track (only the longest from the loopers) |
1882 | "isRec="<<isRec<< // track was reconstructed | |
1883 | "tpcTrackLength="<<tpcTrackLength<< // track length in the TPC r projection | |
1884 | "particle.="<<particle<< // particle properties | |
1885 | "particleMother.="<<particleMother<< // particle mother | |
1886 | "mech="<<mech<< // production mechanizm | |
1887 | "nRec="<<nRec<< // how many times reconstruted | |
1888 | "nFakes="<<nFakes<< // how many times reconstructed as a fake track | |
1889 | "\n"; | |
1890 | } | |
1891 | ||
2e16763c | 1892 | //if(trackIndex <0 && recTrack) delete recTrack; recTrack=0; |
c683985a | 1893 | } |
1894 | } | |
1895 | ||
1896 | } | |
1897 | ||
1898 | //_____________________________________________________________________________ | |
1899 | Bool_t AliAnalysisTaskFilteredTree::IsHighDeDxParticle(AliESDtrack * track) { | |
1900 | // | |
1901 | // check if particle is Z > 1 | |
1902 | // | |
1903 | if (track->GetTPCNcls() < 60) return kFALSE; | |
1904 | Double_t mom = track->GetInnerParam()->GetP(); | |
1905 | if (mom < 0.2) return kFALSE; // protection against unexpected behavior of Aleph parameterization | |
1906 | Float_t dca[2], bCov[3]; | |
1907 | track->GetImpactParameters(dca,bCov); | |
1908 | // | |
1909 | ||
1910 | Double_t triggerDeDx = 4*AliExternalTrackParam::BetheBlochAleph((mom*2)/(0.938*3),1.0288,31.9806,5.04114e-11,2.13096,2.38541); | |
1911 | ||
1912 | if (track->GetTPCsignal() > triggerDeDx && track->GetTPCsignal()<1000 && TMath::Abs(dca[0])<3.) return kTRUE; | |
1913 | ||
1914 | return kFALSE; | |
1915 | } | |
1916 | ||
1917 | //_____________________________________________________________________________ | |
234cae2f | 1918 | void AliAnalysisTaskFilteredTree::ProcessV0(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent, AliESDfriend *const esdFriend) |
c683985a | 1919 | { |
1920 | // | |
1921 | // Select real events with V0 (K0s and Lambda and Gamma) high-pT candidates | |
1922 | // | |
1923 | if(!esdEvent) { | |
1924 | AliDebug(AliLog::kError, "esdEvent not available"); | |
1925 | return; | |
1926 | } | |
1927 | ||
1928 | // get selection cuts | |
1929 | AliFilteredTreeEventCuts *evtCuts = GetEventCuts(); | |
1930 | AliFilteredTreeAcceptanceCuts *accCuts = GetAcceptanceCuts(); | |
1931 | AliESDtrackCuts *esdTrackCuts = GetTrackCuts(); | |
1932 | ||
1933 | if(!evtCuts || !accCuts || !esdTrackCuts) { | |
1934 | AliDebug(AliLog::kError, "cuts not available"); | |
1935 | return; | |
1936 | } | |
1937 | ||
1938 | // trigger selection | |
1939 | Bool_t isEventTriggered = kTRUE; | |
1940 | AliPhysicsSelection *physicsSelection = NULL; | |
1941 | AliTriggerAnalysis* triggerAnalysis = NULL; | |
1942 | ||
1943 | // | |
1944 | AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler(); | |
1945 | if (!inputHandler) | |
1946 | { | |
1947 | Printf("ERROR: Could not receive input handler"); | |
1948 | return; | |
1949 | } | |
234cae2f | 1950 | |
c683985a | 1951 | // get file name |
1952 | TTree *chain = (TChain*)GetInputData(0); | |
1953 | if(!chain) { | |
1954 | Printf("ERROR: Could not receive input chain"); | |
1955 | return; | |
1956 | } | |
1957 | TObjString fileName(chain->GetCurrentFile()->GetName()); | |
1958 | ||
1959 | // trigger | |
1960 | if(evtCuts->IsTriggerRequired()) | |
1961 | { | |
1962 | // always MB | |
1963 | isEventTriggered = inputHandler->IsEventSelected() & AliVEvent::kMB; | |
1964 | ||
1965 | physicsSelection = static_cast<AliPhysicsSelection*> (inputHandler->GetEventSelection()); | |
1966 | if(!physicsSelection) return; | |
1967 | //SetPhysicsTriggerSelection(physicsSelection); | |
1968 | ||
1969 | if (isEventTriggered && (GetTrigger() == AliTriggerAnalysis::kV0AND)) { | |
1970 | // set trigger (V0AND) | |
1971 | triggerAnalysis = physicsSelection->GetTriggerAnalysis(); | |
1972 | if(!triggerAnalysis) return; | |
1973 | isEventTriggered = triggerAnalysis->IsOfflineTriggerFired(esdEvent, GetTrigger()); | |
1974 | } | |
1975 | } | |
1976 | ||
1977 | // centrality determination | |
1978 | Float_t centralityF = -1; | |
1979 | AliCentrality *esdCentrality = esdEvent->GetCentrality(); | |
1980 | centralityF = esdCentrality->GetCentralityPercentile(fCentralityEstimator.Data()); | |
1981 | ||
1982 | ||
1983 | // get reconstructed vertex | |
1984 | //const AliESDVertex* vtxESD = 0; | |
1985 | AliESDVertex* vtxESD = 0; | |
1986 | if(GetAnalysisMode() == kTPCAnalysisMode) { | |
234cae2f | 1987 | vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC(); |
c683985a | 1988 | } |
1989 | else if(GetAnalysisMode() == kTPCITSAnalysisMode) { | |
234cae2f | 1990 | vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTracks(); |
c683985a | 1991 | } |
1992 | else { | |
234cae2f | 1993 | return; |
c683985a | 1994 | } |
1995 | ||
1996 | if(!vtxESD) return; | |
1997 | ||
1998 | Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD); | |
1999 | //printf("isEventOK %d, isEventTriggered %d \n",isEventOK, isEventTriggered); | |
2000 | //printf("GetAnalysisMode() %d \n",GetAnalysisMode()); | |
2001 | ||
2002 | // check event cuts | |
2003 | if(isEventOK && isEventTriggered) { | |
c683985a | 2004 | // |
234cae2f | 2005 | // Dump the pt downscaled V0 into the tree |
2006 | // | |
2007 | Int_t ntracks = esdEvent->GetNumberOfTracks(); | |
2008 | Int_t nV0s = esdEvent->GetNumberOfV0s(); | |
2009 | Int_t run = esdEvent->GetRunNumber(); | |
2010 | Int_t time= esdEvent->GetTimeStamp(); | |
2011 | Int_t evNr=esdEvent->GetEventNumberInFile(); | |
2012 | Double_t bz = esdEvent->GetMagneticField(); | |
c683985a | 2013 | |
b55a470b | 2014 | // Global event id calculation using orbitID, bunchCrossingID and periodID |
2015 | ULong64_t orbitID = (ULong64_t)esdEvent->GetOrbitNumber(); | |
2016 | ULong64_t bunchCrossID = (ULong64_t)esdEvent->GetBunchCrossNumber(); | |
2017 | ULong64_t periodID = (ULong64_t)esdEvent->GetPeriodNumber(); | |
2018 | ULong64_t gid = ((periodID << 36) | (orbitID << 12) | bunchCrossID); | |
2019 | ||
234cae2f | 2020 | |
2021 | for (Int_t iv0=0; iv0<nV0s; iv0++){ | |
2022 | ||
2023 | AliESDv0 * v0 = esdEvent->GetV0(iv0); | |
2024 | if (!v0) continue; | |
2025 | AliESDtrack * track0 = esdEvent->GetTrack(v0->GetIndex(0)); | |
2026 | AliESDtrack * track1 = esdEvent->GetTrack(v0->GetIndex(1)); | |
2027 | if (!track0) continue; | |
2028 | if (!track1) continue; | |
2029 | AliESDfriendTrack* friendTrack0=NULL; | |
2030 | AliESDfriendTrack* friendTrack1=NULL; | |
82522b46 | 2031 | if (esdFriend) { |
2032 | if (!esdFriend->TestSkipBit()){ | |
234cae2f | 2033 | friendTrack0 = esdFriend->GetTrack(v0->GetIndex(0)); //this guy can be NULL |
2034 | friendTrack1 = esdFriend->GetTrack(v0->GetIndex(1)); //this guy can be NULL | |
2035 | } | |
2036 | } | |
82522b46 | 2037 | // |
2038 | AliESDfriendTrack *friendTrackStore0=friendTrack0; // store friend track0 for later processing | |
2039 | AliESDfriendTrack *friendTrackStore1=friendTrack1; // store friend track1 for later processing | |
2040 | if (fFriendDownscaling>=1){ // downscaling number of friend tracks | |
2041 | if (gRandom->Rndm()>1./fFriendDownscaling){ | |
2042 | friendTrackStore0 = 0; | |
2043 | friendTrackStore1 = 0; | |
2044 | } | |
2045 | } | |
2046 | if (fFriendDownscaling<=0){ | |
2047 | if (((*fTreeSRedirector)<<"V0s").GetTree()){ | |
2048 | TTree * tree = ((*fTreeSRedirector)<<"V0s").GetTree(); | |
2049 | if (tree){ | |
2050 | Double_t sizeAll=tree->GetZipBytes(); | |
2051 | TBranch * br= tree->GetBranch("friendTrack0.fPoints"); | |
2052 | Double_t sizeFriend=(br!=NULL)?br->GetZipBytes():0; | |
2053 | br= tree->GetBranch("friendTrack0.fCalibContainer"); | |
2054 | if (br) sizeFriend+=br->GetZipBytes(); | |
2055 | if (sizeFriend*TMath::Abs(fFriendDownscaling)>sizeAll) { | |
2056 | friendTrackStore0=0; | |
2057 | friendTrackStore1=0; | |
2058 | } | |
2059 | } | |
2060 | } | |
2061 | } | |
2062 | ||
234cae2f | 2063 | if (track0->GetSign()<0) { |
2064 | track1 = esdEvent->GetTrack(v0->GetIndex(0)); | |
2065 | track0 = esdEvent->GetTrack(v0->GetIndex(1)); | |
2066 | } | |
2067 | // | |
2068 | Bool_t isDownscaled = IsV0Downscaled(v0); | |
2069 | if (isDownscaled) continue; | |
2070 | AliKFParticle kfparticle; // | |
2071 | Int_t type=GetKFParticle(v0,esdEvent,kfparticle); | |
2072 | if (type==0) continue; | |
2073 | TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data(); | |
2074 | ||
2075 | if(!fFillTree) return; | |
2076 | if(!fTreeSRedirector) return; | |
2077 | (*fTreeSRedirector)<<"V0s"<< | |
b55a470b | 2078 | "gid="<<gid<< |
234cae2f | 2079 | "isDownscaled="<<isDownscaled<< |
2080 | "triggerClass="<<&triggerClass<< // trigger | |
2081 | "Bz="<<bz<< | |
2082 | "fileName.="<<&fileName<< | |
2083 | "runNumber="<<run<< | |
2084 | "evtTimeStamp="<<time<< | |
2085 | "evtNumberInFile="<<evNr<< | |
2086 | "type="<<type<< | |
2087 | "ntracks="<<ntracks<< | |
2088 | "v0.="<<v0<< | |
2089 | "kf.="<<&kfparticle<< | |
2090 | "track0.="<<track0<< | |
2091 | "track1.="<<track1<< | |
82522b46 | 2092 | "friendTrack0.="<<friendTrackStore0<< |
2093 | "friendTrack1.="<<friendTrackStore1<< | |
234cae2f | 2094 | "centralityF="<<centralityF<< |
2095 | "\n"; | |
234cae2f | 2096 | } |
c683985a | 2097 | } |
2098 | } | |
2099 | ||
2100 | //_____________________________________________________________________________ | |
234cae2f | 2101 | void AliAnalysisTaskFilteredTree::ProcessdEdx(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent, AliESDfriend *const esdFriend) |
c683985a | 2102 | { |
2103 | // | |
2104 | // Select real events with large TPC dEdx signal | |
2105 | // | |
2106 | if(!esdEvent) { | |
2107 | AliDebug(AliLog::kError, "esdEvent not available"); | |
2108 | return; | |
2109 | } | |
2110 | ||
2111 | // get selection cuts | |
2112 | AliFilteredTreeEventCuts *evtCuts = GetEventCuts(); | |
2113 | AliFilteredTreeAcceptanceCuts *accCuts = GetAcceptanceCuts(); | |
2114 | AliESDtrackCuts *esdTrackCuts = GetTrackCuts(); | |
2115 | ||
2116 | if(!evtCuts || !accCuts || !esdTrackCuts) { | |
2117 | AliDebug(AliLog::kError, "cuts not available"); | |
2118 | return; | |
2119 | } | |
2120 | ||
2121 | // get file name | |
2122 | TTree *chain = (TChain*)GetInputData(0); | |
2123 | if(!chain) { | |
2124 | Printf("ERROR: Could not receive input chain"); | |
2125 | return; | |
2126 | } | |
2127 | TObjString fileName(chain->GetCurrentFile()->GetName()); | |
2128 | ||
2129 | // trigger | |
2130 | Bool_t isEventTriggered = kTRUE; | |
2131 | AliPhysicsSelection *physicsSelection = NULL; | |
2132 | AliTriggerAnalysis* triggerAnalysis = NULL; | |
2133 | ||
2134 | // | |
2135 | AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler(); | |
2136 | if (!inputHandler) | |
2137 | { | |
2138 | Printf("ERROR: Could not receive input handler"); | |
2139 | return; | |
2140 | } | |
2141 | ||
2142 | if(evtCuts->IsTriggerRequired()) | |
2143 | { | |
2144 | // always MB | |
2145 | isEventTriggered = inputHandler->IsEventSelected() & AliVEvent::kMB; | |
2146 | ||
2147 | physicsSelection = static_cast<AliPhysicsSelection*> (inputHandler->GetEventSelection()); | |
2148 | if(!physicsSelection) return; | |
2149 | ||
2150 | if (isEventTriggered && (GetTrigger() == AliTriggerAnalysis::kV0AND)) { | |
2151 | // set trigger (V0AND) | |
2152 | triggerAnalysis = physicsSelection->GetTriggerAnalysis(); | |
2153 | if(!triggerAnalysis) return; | |
2154 | isEventTriggered = triggerAnalysis->IsOfflineTriggerFired(esdEvent, GetTrigger()); | |
2155 | } | |
2156 | } | |
2157 | ||
2158 | // get reconstructed vertex | |
2159 | AliESDVertex* vtxESD = 0; | |
2160 | if(GetAnalysisMode() == kTPCAnalysisMode) { | |
234cae2f | 2161 | vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC(); |
c683985a | 2162 | } |
2163 | else if(GetAnalysisMode() == kTPCITSAnalysisMode) { | |
234cae2f | 2164 | vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTracks(); |
c683985a | 2165 | } |
2166 | else { | |
234cae2f | 2167 | return; |
c683985a | 2168 | } |
2169 | if(!vtxESD) return; | |
2170 | ||
2171 | Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD); | |
2172 | //printf("isEventOK %d, isEventTriggered %d \n",isEventOK, isEventTriggered); | |
2173 | //printf("GetAnalysisMode() %d \n",GetAnalysisMode()); | |
2174 | ||
2175 | ||
2176 | // check event cuts | |
2177 | if(isEventOK && isEventTriggered) | |
2178 | { | |
2179 | Double_t vert[3] = {0}; | |
2180 | vert[0] = vtxESD->GetXv(); | |
2181 | vert[1] = vtxESD->GetYv(); | |
2182 | vert[2] = vtxESD->GetZv(); | |
2183 | Int_t mult = vtxESD->GetNContributors(); | |
2184 | Double_t bz = esdEvent->GetMagneticField(); | |
2185 | Double_t runNumber = esdEvent->GetRunNumber(); | |
2186 | Double_t evtTimeStamp = esdEvent->GetTimeStamp(); | |
2187 | Int_t evtNumberInFile = esdEvent->GetEventNumberInFile(); | |
b55a470b | 2188 | |
2189 | // Global event id calculation using orbitID, bunchCrossingID and periodID | |
2190 | ULong64_t orbitID = (ULong64_t)esdEvent->GetOrbitNumber(); | |
2191 | ULong64_t bunchCrossID = (ULong64_t)esdEvent->GetBunchCrossNumber(); | |
2192 | ULong64_t periodID = (ULong64_t)esdEvent->GetPeriodNumber(); | |
2193 | ULong64_t gid = ((periodID << 36) | (orbitID << 12) | bunchCrossID); | |
2194 | ||
c683985a | 2195 | // large dEdx |
2196 | for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++) | |
2197 | { | |
2198 | AliESDtrack *track = esdEvent->GetTrack(iTrack); | |
2199 | if(!track) continue; | |
234cae2f | 2200 | AliESDfriendTrack* friendTrack=NULL; |
2201 | if (esdFriend) {if (!esdFriend->TestSkipBit()) friendTrack = esdFriend->GetTrack(iTrack);} //this guy can be NULL | |
c683985a | 2202 | if(track->Charge()==0) continue; |
2203 | if(!esdTrackCuts->AcceptTrack(track)) continue; | |
2204 | if(!accCuts->AcceptTrack(track)) continue; | |
2205 | ||
2206 | if(!IsHighDeDxParticle(track)) continue; | |
2207 | TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data(); | |
2208 | ||
2209 | if(!fFillTree) return; | |
2210 | if(!fTreeSRedirector) return; | |
2211 | (*fTreeSRedirector)<<"dEdx"<< | |
b55a470b | 2212 | "gid="<<gid<< |
234cae2f | 2213 | "fileName.="<<&fileName<< |
2214 | "runNumber="<<runNumber<< | |
2215 | "evtTimeStamp="<<evtTimeStamp<< | |
2216 | "evtNumberInFile="<<evtNumberInFile<< | |
2217 | "triggerClass="<<&triggerClass<< // trigger | |
2218 | "Bz="<<bz<< | |
2219 | "vtxESD.="<<vtxESD<< | |
2220 | "mult="<<mult<< | |
2221 | "esdTrack.="<<track<< | |
2222 | "friendTrack.="<<friendTrack<< | |
2223 | "\n"; | |
c683985a | 2224 | } |
2225 | } | |
2226 | } | |
2227 | ||
2228 | //_____________________________________________________________________________ | |
2229 | Int_t AliAnalysisTaskFilteredTree::GetKFParticle(AliESDv0 *const v0, AliESDEvent * const event, AliKFParticle & kfparticle) | |
2230 | { | |
2231 | // | |
2232 | // Create KF particle in case the V0 fullfill selection criteria | |
2233 | // | |
2234 | // Selection criteria | |
2235 | // 0. algorithm cut | |
2236 | // 1. track cut | |
2237 | // 3. chi2 cut | |
2238 | // 4. rough mass cut | |
2239 | // 5. Normalized pointing angle cut | |
2240 | // | |
2241 | const Double_t cutMass=0.2; | |
2242 | const Double_t kSigmaDCACut=3; | |
2243 | // | |
2244 | // 0.) algo cut - accept only on the fly | |
2245 | // | |
2246 | if (v0->GetOnFlyStatus() ==kFALSE) return 0; | |
2247 | // | |
2248 | // 1.) track cut | |
2249 | // | |
2250 | AliESDtrack * track0 = event->GetTrack(v0->GetIndex(0)); | |
2251 | AliESDtrack * track1 = event->GetTrack(v0->GetIndex(1)); | |
2252 | /* | |
234cae2f | 2253 | TCut cutD="abs(track0.fD/sqrt(track0.fCdd))>2&&abs(track1.fD/sqrt(track1.fCdd))>2"; |
2254 | TCut cutTheta="abs(track0.fP[3])<1&&abs(track1.fP[3])<1"; | |
2255 | TCut cutNcl="track0.GetTPCClusterInfo(2,1)>100&&track1.GetTPCClusterInfo(2,1)>100"; | |
2256 | */ | |
c683985a | 2257 | if (TMath::Abs(track0->GetTgl())>1) return 0; |
2258 | if (TMath::Abs(track1->GetTgl())>1) return 0; | |
2259 | if ((track0->GetTPCClusterInfo(2,1))<100) return 0; | |
2260 | if ((track1->GetTPCClusterInfo(2,1))<100) return 0; | |
2261 | //if ((track0->GetITSclusters(0))<2) return 0; | |
2262 | //if ((track1->GetITSclusters(0))<2) return 0; | |
2263 | Float_t pos0[2]={0}, cov0[3]={0}; | |
2264 | Float_t pos1[2]={0}, cov1[3]={0}; | |
2265 | track0->GetImpactParameters(pos0,cov0); | |
2266 | track0->GetImpactParameters(pos1,cov1); | |
2267 | // | |
2268 | if (TMath::Abs(pos0[0])<kSigmaDCACut*TMath::Sqrt(cov0[0])) return 0; | |
2269 | if (TMath::Abs(pos1[0])<kSigmaDCACut*TMath::Sqrt(cov1[0])) return 0; | |
2270 | // | |
2271 | // | |
2272 | // 3.) Chi2 cut | |
2273 | // | |
2274 | Double_t chi2KF = v0->GetKFInfo(2,2,2); | |
2275 | if (chi2KF>25) return 0; | |
2276 | // | |
2277 | // 4.) Rough mass cut - 0.200 GeV | |
2278 | // | |
2279 | static Double_t masses[2]={-1}; | |
2280 | if (masses[0]<0){ | |
2281 | masses[0] = TDatabasePDG::Instance()->GetParticle("K_S0")->Mass(); | |
2282 | masses[1] = TDatabasePDG::Instance()->GetParticle("Lambda0")->Mass(); | |
2283 | } | |
2284 | Double_t mass00= v0->GetEffMass(0,0); | |
2285 | Double_t mass22= v0->GetEffMass(2,2); | |
2286 | Double_t mass42= v0->GetEffMass(4,2); | |
2287 | Double_t mass24= v0->GetEffMass(2,4); | |
2288 | Bool_t massOK=kFALSE; | |
2289 | Int_t type=0; | |
2290 | Int_t ptype=0; | |
2291 | Double_t dmass=1; | |
2292 | Int_t p1=0, p2=0; | |
2293 | if (TMath::Abs(mass00-0)<cutMass) { | |
2294 | massOK=kTRUE; type+=1; | |
2295 | if (TMath::Abs(mass00-0)<dmass) { | |
2296 | ptype=1; | |
2297 | dmass=TMath::Abs(mass00-0); | |
2298 | p1=0; p2=0; | |
2299 | } | |
2300 | } | |
2301 | if (TMath::Abs(mass24-masses[1])<cutMass) { | |
2302 | massOK=kTRUE; type+=2; | |
2303 | if (TMath::Abs(mass24-masses[1])<dmass){ | |
2304 | dmass = TMath::Abs(mass24-masses[1]); | |
2305 | ptype=2; | |
2306 | p1=2; p2=4; | |
2307 | } | |
2308 | } | |
2309 | if (TMath::Abs(mass42-masses[1])<cutMass) { | |
2310 | massOK=kTRUE; type+=4; | |
2311 | if (TMath::Abs(mass42-masses[1])<dmass){ | |
2312 | dmass = TMath::Abs(mass42-masses[1]); | |
2313 | ptype=4; | |
2314 | p1=4; p2=2; | |
2315 | } | |
2316 | } | |
2317 | if (TMath::Abs(mass22-masses[0])<cutMass) { | |
2318 | massOK=kTRUE; type+=8; | |
2319 | if (TMath::Abs(mass22-masses[0])<dmass){ | |
2320 | dmass = TMath::Abs(mass22-masses[0]); | |
2321 | ptype=8; | |
2322 | p1=2; p2=2; | |
2323 | } | |
2324 | } | |
2325 | if (type==0) return 0; | |
2326 | // | |
2327 | const Int_t spdg[5]={kPositron,kMuonPlus,kPiPlus, kKPlus, kProton}; | |
2328 | const AliExternalTrackParam *paramP = v0->GetParamP(); | |
2329 | const AliExternalTrackParam *paramN = v0->GetParamN(); | |
2330 | if (paramP->GetSign()<0){ | |
2331 | paramP=v0->GetParamP(); | |
2332 | paramN=v0->GetParamN(); | |
2333 | } | |
2334 | //Double_t *pparam1 = (Double_t*)paramP->GetParameter(); | |
2335 | //Double_t *pparam2 = (Double_t*)paramN->GetParameter(); | |
2336 | // | |
2337 | AliKFParticle kfp1( *paramP, spdg[p1] ); | |
2338 | AliKFParticle kfp2( *paramN, -1 *spdg[p2] ); | |
2339 | AliKFParticle V0KF; | |
2340 | (V0KF)+=kfp1; | |
2341 | (V0KF)+=kfp2; | |
2342 | kfparticle=V0KF; | |
2343 | // | |
2344 | // Pointing angle | |
2345 | // | |
2346 | Double_t errPhi = V0KF.GetErrPhi(); | |
2347 | Double_t pointAngle= TMath::ACos(v0->GetV0CosineOfPointingAngle()); | |
2348 | if (pointAngle/errPhi>10) return 0; | |
2349 | // | |
2350 | return ptype; | |
2351 | } | |
2352 | ||
2353 | //_____________________________________________________________________________ | |
2354 | Bool_t AliAnalysisTaskFilteredTree::IsV0Downscaled(AliESDv0 *const v0) | |
2355 | { | |
2356 | // | |
2357 | // Downscale randomly low pt V0 | |
2358 | // | |
2359 | //return kFALSE; | |
2360 | Double_t maxPt= TMath::Max(v0->GetParamP()->Pt(), v0->GetParamN()->Pt()); | |
2361 | Double_t scalempt= TMath::Min(maxPt,10.); | |
2362 | Double_t downscaleF = gRandom->Rndm(); | |
2363 | downscaleF *= fLowPtV0DownscaligF; | |
2364 | // | |
2365 | // Special treatment of the gamma conversion pt spectra is softer - | |
2366 | Double_t mass00= v0->GetEffMass(0,0); | |
2367 | const Double_t cutMass=0.2; | |
2368 | if (TMath::Abs(mass00-0)<cutMass){ | |
2369 | downscaleF/=10.; // 10 times smaller downscaling for the gamma concersion candidate | |
2370 | } | |
2371 | //printf("V0 TMath::Exp(2*scalempt) %e, downscaleF %e \n",TMath::Exp(2*scalempt), downscaleF); | |
2372 | if (TMath::Exp(2*scalempt)<downscaleF) return kTRUE; | |
2373 | return kFALSE; | |
2374 | ||
2375 | /* | |
234cae2f | 2376 | TH1F his1("his1","his1",100,0,10); |
2377 | TH1F his2("his2","his2",100,0,10); | |
2378 | {for (Int_t i=0; i<10000; i++){ | |
2379 | Double_t rnd=gRandom->Exp(1); | |
2380 | Bool_t isDownscaled =TMath::Exp(rnd)<100*gRandom->Rndm(); | |
2381 | his1->Fill(rnd); | |
2382 | if (!isDownscaled) his2->Fill(rnd); | |
2383 | }} | |
c683985a | 2384 | |
234cae2f | 2385 | */ |
c683985a | 2386 | |
2387 | } | |
2388 | ||
2389 | ||
2390 | ||
2391 | //_____________________________________________________________________________ | |
2392 | Bool_t AliAnalysisTaskFilteredTree::ConstrainTPCInner(AliExternalTrackParam *const tpcInnerC, const AliESDVertex* vtx, Double_t b[3]) | |
2393 | { | |
234cae2f | 2394 | // Constrain TPC inner params constrained |
2395 | // | |
2396 | if(!tpcInnerC) return kFALSE; | |
2397 | if(!vtx) return kFALSE; | |
c683985a | 2398 | |
234cae2f | 2399 | Double_t dz[2],cov[3]; |
2400 | //AliESDVertex *vtx= (AliESDVertex *)esdEvent->GetPrimaryVertex(); | |
2401 | //if(!tpcInnerC->PropagateToDCA(vtx, esdEvent->GetMagneticField(), 3, dz, cov)) return kFALSE; | |
2402 | //if(!tpcInnerC->PropagateToDCA(vtx, Bz, 3, dz, cov)) return kFALSE; | |
2403 | if(!tpcInnerC->PropagateToDCABxByBz(vtx, b, 3, dz, cov)) return kFALSE; | |
c683985a | 2404 | |
2405 | ||
234cae2f | 2406 | Double_t covar[6]; vtx->GetCovMatrix(covar); |
2407 | Double_t p[2]={tpcInnerC->GetParameter()[0]-dz[0],tpcInnerC->GetParameter()[1]-dz[1]}; | |
2408 | Double_t c[3]={covar[2],0.,covar[5]}; | |
2409 | Double_t chi2C=tpcInnerC->GetPredictedChi2(p,c); | |
2410 | if (chi2C>kVeryBig) return kFALSE; | |
c683985a | 2411 | |
234cae2f | 2412 | if(!tpcInnerC->Update(p,c)) return kFALSE; |
c683985a | 2413 | |
2414 | return kTRUE; | |
2415 | } | |
2416 | ||
2417 | //_____________________________________________________________________________ | |
2418 | Bool_t AliAnalysisTaskFilteredTree::ConstrainTrackInner(AliExternalTrackParam *const trackInnerC, const AliESDVertex* vtx, Double_t mass, Double_t b[3]) | |
2419 | { | |
234cae2f | 2420 | // Constrain TPC inner params constrained |
2421 | // | |
2422 | if(!trackInnerC) return kFALSE; | |
2423 | if(!vtx) return kFALSE; | |
c683985a | 2424 | |
234cae2f | 2425 | const Double_t kRadius = 2.8; |
2426 | const Double_t kMaxStep = 1.0; | |
c683985a | 2427 | |
234cae2f | 2428 | Double_t dz[2],cov[3]; |
c683985a | 2429 | |
234cae2f | 2430 | //AliESDVertex *vtx= (AliESDVertex *)esdEvent->GetPrimaryVertex(); |
2431 | //if(!trackInnerC->PropagateToDCA(vtx, esdEvent->GetMagneticField(), 3, dz, cov)) return kFALSE; | |
2432 | //if(!trackInnerC->PropagateToDCA(vtx, Bz, 3, dz, cov)) return kFALSE; | |
c683985a | 2433 | |
234cae2f | 2434 | if(!AliTracker::PropagateTrackToBxByBz(trackInnerC,kRadius,mass,kMaxStep,kFALSE)) return kFALSE; |
2435 | if(!trackInnerC->PropagateToDCABxByBz(vtx, b, 3, dz, cov)) return kFALSE; | |
c683985a | 2436 | |
234cae2f | 2437 | // |
2438 | Double_t covar[6]; vtx->GetCovMatrix(covar); | |
2439 | Double_t p[2]={trackInnerC->GetParameter()[0]-dz[0],trackInnerC->GetParameter()[1]-dz[1]}; | |
2440 | Double_t c[3]={covar[2],0.,covar[5]}; | |
2441 | Double_t chi2C=trackInnerC->GetPredictedChi2(p,c); | |
2442 | if (chi2C>kVeryBig) return kFALSE; | |
c683985a | 2443 | |
234cae2f | 2444 | if(!trackInnerC->Update(p,c)) return kFALSE; |
c683985a | 2445 | |
2446 | return kTRUE; | |
2447 | } | |
2448 | ||
2449 | ||
2450 | //_____________________________________________________________________________ | |
2451 | TParticle *AliAnalysisTaskFilteredTree::GetMother(TParticle *const particle, AliStack *const stack) | |
2452 | { | |
2453 | if(!particle) return NULL; | |
2454 | if(!stack) return NULL; | |
2455 | ||
2456 | Int_t motherLabel = TMath::Abs(particle->GetMother(0)); | |
2457 | TParticle* mother = NULL; | |
2458 | Int_t mcStackSize=stack->GetNtrack(); | |
2459 | if (motherLabel>=mcStackSize) return NULL; | |
2460 | mother = stack->Particle(motherLabel); | |
2461 | ||
234cae2f | 2462 | return mother; |
c683985a | 2463 | } |
2464 | ||
2465 | //_____________________________________________________________________________ | |
34e8fe1d | 2466 | Bool_t AliAnalysisTaskFilteredTree::IsFromConversion(Int_t label, AliStack *const stack) |
c683985a | 2467 | { |
2468 | Bool_t isFromConversion = kFALSE; | |
2469 | ||
2470 | if(stack) { | |
2471 | Int_t mcStackSize=stack->GetNtrack(); | |
2472 | if (label>=mcStackSize) return kFALSE; | |
2473 | TParticle* particle = stack->Particle(label); | |
2474 | if (!particle) return kFALSE; | |
2475 | ||
2476 | if(particle && particle->GetPDG() && particle->GetPDG()->Charge()!=0) | |
2477 | { | |
234cae2f | 2478 | Int_t mech = particle->GetUniqueID(); // production mechanism |
2479 | Bool_t isPrim = stack->IsPhysicalPrimary(label); | |
c683985a | 2480 | |
234cae2f | 2481 | Int_t motherLabel = TMath::Abs(particle->GetMother(0)); |
2482 | if (motherLabel>=mcStackSize) return kFALSE; | |
2483 | TParticle* mother = stack->Particle(motherLabel); | |
2484 | if(mother) { | |
2485 | Int_t motherPdg = mother->GetPdgCode(); | |
c683985a | 2486 | |
234cae2f | 2487 | if(!isPrim && mech==5 && motherPdg==kGamma) { |
2488 | isFromConversion=kTRUE; | |
2489 | } | |
2490 | } | |
c683985a | 2491 | } |
2492 | } | |
2493 | ||
2494 | return isFromConversion; | |
2495 | } | |
2496 | ||
2497 | //_____________________________________________________________________________ | |
34e8fe1d | 2498 | Bool_t AliAnalysisTaskFilteredTree::IsFromMaterial(Int_t label, AliStack *const stack) |
c683985a | 2499 | { |
2500 | Bool_t isFromMaterial = kFALSE; | |
2501 | ||
2502 | if(stack) { | |
2503 | Int_t mcStackSize=stack->GetNtrack(); | |
2504 | if (label>=mcStackSize) return kFALSE; | |
2505 | TParticle* particle = stack->Particle(label); | |
2506 | if (!particle) return kFALSE; | |
2507 | ||
2508 | if(particle && particle->GetPDG() && particle->GetPDG()->Charge()!=0) | |
2509 | { | |
234cae2f | 2510 | Int_t mech = particle->GetUniqueID(); // production mechanism |
2511 | Bool_t isPrim = stack->IsPhysicalPrimary(label); | |
2512 | ||
2513 | Int_t motherLabel = TMath::Abs(particle->GetMother(0)); | |
2514 | if (motherLabel>=mcStackSize) return kFALSE; | |
2515 | TParticle* mother = stack->Particle(motherLabel); | |
2516 | if(mother) { | |
2517 | if(!isPrim && mech==13) { | |
2518 | isFromMaterial=kTRUE; | |
2519 | } | |
2520 | } | |
2521 | } | |
c683985a | 2522 | } |
2523 | ||
2524 | return isFromMaterial; | |
2525 | } | |
2526 | ||
2527 | //_____________________________________________________________________________ | |
34e8fe1d | 2528 | Bool_t AliAnalysisTaskFilteredTree::IsFromStrangeness(Int_t label, AliStack *const stack) |
c683985a | 2529 | { |
2530 | Bool_t isFromStrangeness = kFALSE; | |
2531 | ||
2532 | if(stack) { | |
2533 | Int_t mcStackSize=stack->GetNtrack(); | |
2534 | if (label>=mcStackSize) return kFALSE; | |
2535 | TParticle* particle = stack->Particle(label); | |
2536 | if (!particle) return kFALSE; | |
2537 | ||
2538 | if(particle && particle->GetPDG() && particle->GetPDG()->Charge()!=0) | |
2539 | { | |
234cae2f | 2540 | Int_t mech = particle->GetUniqueID(); // production mechanism |
2541 | Bool_t isPrim = stack->IsPhysicalPrimary(label); | |
2542 | ||
2543 | Int_t motherLabel = TMath::Abs(particle->GetMother(0)); | |
2544 | if (motherLabel>=mcStackSize) return kFALSE; | |
2545 | TParticle* mother = stack->Particle(motherLabel); | |
2546 | if(mother) { | |
2547 | Int_t motherPdg = mother->GetPdgCode(); | |
2548 | ||
2549 | // K+-, lambda, antilambda, K0s decays | |
2550 | if(!isPrim && mech==4 && | |
2551 | (TMath::Abs(motherPdg)==kKPlus || TMath::Abs(motherPdg)==kLambda0 || motherPdg==kK0Short)) | |
2552 | { | |
2553 | isFromStrangeness = kTRUE; | |
2554 | } | |
2555 | } | |
c683985a | 2556 | } |
2557 | } | |
2558 | ||
2559 | return isFromStrangeness; | |
2560 | } | |
2561 | ||
2562 | ||
2563 | //_____________________________________________________________________________ | |
2564 | void AliAnalysisTaskFilteredTree::FinishTaskOutput() | |
2565 | { | |
2566 | // | |
2567 | // Called one at the end | |
2568 | // locally on working node | |
2569 | // | |
2570 | ||
2571 | //// must be deleted to store trees | |
2572 | //if(fTreeSRedirector) delete fTreeSRedirector; fTreeSRedirector=0; | |
2573 | ||
2574 | //// open temporary file and copy trees to the ouptut container | |
2575 | ||
2576 | //TChain* chain = 0; | |
2577 | //// | |
2578 | //chain = new TChain("highPt"); | |
2579 | //if(chain) { | |
2580 | // chain->Add("jotwinow_Temp_Trees.root"); | |
2581 | // fHighPtTree = chain->CopyTree("1"); | |
2582 | // delete chain; chain=0; | |
2583 | //} | |
2584 | //if(fHighPtTree) fHighPtTree->Print(); | |
2585 | ||
2586 | //// | |
2587 | //chain = new TChain("V0s"); | |
2588 | //if(chain) { | |
2589 | // chain->Add("jotwinow_Temp_Trees.root"); | |
2590 | // fV0Tree = chain->CopyTree("1"); | |
2591 | // delete chain; chain=0; | |
2592 | //} | |
2593 | //if(fV0Tree) fV0Tree->Print(); | |
2594 | ||
2595 | //// | |
2596 | //chain = new TChain("dEdx"); | |
2597 | //if(chain) { | |
2598 | // chain->Add("jotwinow_Temp_Trees.root"); | |
2599 | // fdEdxTree = chain->CopyTree("1"); | |
2600 | // delete chain; chain=0; | |
2601 | //} | |
2602 | //if(fdEdxTree) fdEdxTree->Print(); | |
2603 | ||
2604 | //// | |
2605 | //chain = new TChain("Laser"); | |
2606 | //if(chain) { | |
2607 | // chain->Add("jotwinow_Temp_Trees.root"); | |
2608 | // fLaserTree = chain->CopyTree("1"); | |
2609 | // delete chain; chain=0; | |
2610 | //} | |
2611 | //if(fLaserTree) fLaserTree->Print(); | |
2612 | ||
2613 | //// | |
2614 | //chain = new TChain("MCEffTree"); | |
2615 | //if(chain) { | |
2616 | // chain->Add("jotwinow_Temp_Trees.root"); | |
2617 | // fMCEffTree = chain->CopyTree("1"); | |
2618 | // delete chain; chain=0; | |
2619 | //} | |
2620 | //if(fMCEffTree) fMCEffTree->Print(); | |
2621 | ||
2622 | //// | |
2623 | //chain = new TChain("CosmicPairs"); | |
2624 | //if(chain) { | |
2625 | // chain->Add("jotwinow_Temp_Trees.root"); | |
2626 | // fCosmicPairsTree = chain->CopyTree("1"); | |
2627 | // delete chain; chain=0; | |
2628 | //} | |
2629 | //if(fCosmicPairsTree) fCosmicPairsTree->Print(); | |
2630 | ||
2631 | Bool_t deleteTrees=kTRUE; | |
2632 | if ((AliAnalysisManager::GetAnalysisManager())) | |
2633 | { | |
2634 | if (AliAnalysisManager::GetAnalysisManager()->GetAnalysisType() == | |
234cae2f | 2635 | AliAnalysisManager::kProofAnalysis) |
c683985a | 2636 | deleteTrees=kFALSE; |
2637 | } | |
2638 | if (deleteTrees) delete fTreeSRedirector; | |
2639 | fTreeSRedirector=NULL; | |
2640 | ||
2641 | //OpenFile(1); | |
2642 | ||
2643 | // Post output data. | |
2644 | //PostData(1, fHighPtTree); | |
2645 | //PostData(2, fV0Tree); | |
2646 | //PostData(3, fdEdxTree); | |
2647 | //PostData(4, fLaserTree); | |
2648 | //PostData(5, fMCEffTree); | |
2649 | //PostData(6, fCosmicPairsTree); | |
2650 | } | |
2651 | ||
2652 | //_____________________________________________________________________________ | |
2653 | void AliAnalysisTaskFilteredTree::Terminate(Option_t *) | |
2654 | { | |
2655 | // Called one at the end | |
2656 | /* | |
234cae2f | 2657 | fOutputSummary = dynamic_cast<TTree*> (GetOutputData(1)); |
2658 | if(fOutputSummary) delete fOutputSummary; fOutputSummary=0; | |
2659 | TChain* chain = new TChain("highPt"); | |
2660 | if(!chain) return; | |
2661 | chain->Add("jotwinow_HighPt_TrackAndV0_Trees.root"); | |
2662 | TTree *tree = chain->CopyTree("1"); | |
2663 | if (chain) { delete chain; chain=0; } | |
2664 | if(!tree) return; | |
2665 | tree->Print(); | |
2666 | fOutputSummary = tree; | |
2667 | ||
2668 | if (!fOutputSummary) { | |
2669 | Printf("ERROR: AliAnalysisTaskFilteredTree::Terminate(): Output data not avaiable %p \n", GetOutputData(1)); | |
2670 | return; | |
2671 | } | |
2672 | */ | |
2673 | ||
c683985a | 2674 | } |
2675 | ||
2676 | //_____________________________________________________________________________ | |
2677 | Int_t AliAnalysisTaskFilteredTree::GetMCTrueTrackMult(AliMCEvent *const mcEvent, AliFilteredTreeEventCuts *const evtCuts, AliFilteredTreeAcceptanceCuts *const accCuts) | |
2678 | { | |
2679 | // | |
2680 | // calculate mc event true track multiplicity | |
2681 | // | |
2682 | if(!mcEvent) return 0; | |
2683 | ||
2684 | AliStack* stack = 0; | |
2685 | Int_t mult = 0; | |
2686 | ||
2687 | // MC particle stack | |
2688 | stack = mcEvent->Stack(); | |
2689 | if (!stack) return 0; | |
2690 | ||
2691 | // | |
2692 | //printf("minZv %f, maxZv %f \n", evtCuts->GetMinZv(), evtCuts->GetMaxZv()); | |
2693 | // | |
2694 | ||
2695 | Bool_t isEventOK = evtCuts->AcceptMCEvent(mcEvent); | |
2696 | if(!isEventOK) return 0; | |
2697 | ||
2698 | Int_t nPart = stack->GetNtrack(); | |
2699 | for (Int_t iMc = 0; iMc < nPart; ++iMc) | |
2700 | { | |
234cae2f | 2701 | TParticle* particle = stack->Particle(iMc); |
2702 | if (!particle) | |
2703 | continue; | |
2704 | ||
2705 | // only charged particles | |
2706 | if(!particle->GetPDG()) continue; | |
2707 | Double_t charge = particle->GetPDG()->Charge()/3.; | |
2708 | if (TMath::Abs(charge) < 0.001) | |
2709 | continue; | |
2710 | ||
2711 | // physical primary | |
2712 | Bool_t prim = stack->IsPhysicalPrimary(iMc); | |
2713 | if(!prim) continue; | |
2714 | ||
2715 | // checked accepted without pt cut | |
2716 | //if(accCuts->AcceptTrack(particle)) | |
2717 | if( particle->Eta() > accCuts->GetMinEta() && particle->Eta() < accCuts->GetMaxEta() ) | |
2718 | { | |
2719 | mult++; | |
2720 | } | |
c683985a | 2721 | } |
2722 | ||
234cae2f | 2723 | return mult; |
c683985a | 2724 | } |
2725 | ||
2726 | //_____________________________________________________________________________ | |
34e8fe1d | 2727 | void AliAnalysisTaskFilteredTree::FillHistograms(AliESDtrack* const ptrack, AliExternalTrackParam* const ptpcInnerC, Double_t centralityF, Double_t chi2TPCInnerC) |
c683985a | 2728 | { |
234cae2f | 2729 | // |
2730 | // Fill pT relative resolution histograms for | |
2731 | // TPC only, TPC only constrained to vertex and TPC+ITS tracking | |
2732 | // | |
2733 | if(!ptrack) return; | |
2734 | if(!ptpcInnerC) return; | |
2735 | ||
2736 | const AliExternalTrackParam * innerParam = (AliExternalTrackParam *) ptrack->GetInnerParam(); | |
2737 | if(!innerParam) return; | |
2738 | ||
2739 | Float_t dxy, dz; | |
2740 | ptrack->GetImpactParameters(dxy,dz); | |
2741 | ||
2742 | // TPC+ITS primary tracks | |
2743 | if( abs(ptrack->Eta())<0.8 && | |
2744 | ptrack->GetTPCClusterInfo(3,1)>120 && | |
2745 | ptrack->IsOn(0x40) && | |
2746 | ptrack->GetTPCclusters(0)>0.0 && | |
2747 | ptrack->GetTPCnclsS()/ptrack->GetTPCclusters(0)<0.4 && | |
2748 | //abs(innerParam->GetX())>0.0 && | |
2749 | //abs(innerParam->GetY()/innerParam->GetX())<0.14 && | |
2750 | //abs(innerParam->GetTgl())<0.85 && | |
2751 | ptrack->IsOn(0x0004) && | |
2752 | ptrack->GetNcls(0)>0 && | |
2753 | ptrack->GetITSchi2()>0 && | |
2754 | sqrt(ptrack->GetITSchi2()/ptrack->GetNcls(0))<6 && | |
2755 | sqrt(chi2TPCInnerC)<6 && | |
2756 | (ptrack->HasPointOnITSLayer(0) || ptrack->HasPointOnITSLayer(1)) && | |
2757 | abs(dz)<2.0 && | |
2758 | abs(dxy)<(0.018+0.035*abs(ptrack->GetSigned1Pt())) ) | |
2759 | { | |
2760 | fPtResPhiPtTPCITS->Fill(ptrack->Pt(),ptrack->Phi(),1./abs(ptrack->GetSigned1Pt())*TMath::Sqrt(ptrack->GetSigma1Pt2())); | |
2761 | fPtResEtaPtTPCITS->Fill(ptrack->Pt(),ptrack->Eta(),1./abs(ptrack->GetSigned1Pt())*TMath::Sqrt(ptrack->GetSigma1Pt2())); | |
2762 | fPtResCentPtTPCITS->Fill(ptrack->Pt(),centralityF,1./abs(ptrack->GetSigned1Pt())*TMath::Sqrt(ptrack->GetSigma1Pt2())); | |
2763 | } | |
c683985a | 2764 | |
234cae2f | 2765 | // TPC primary tracks |
2766 | // and TPC constrained primary tracks | |
c683985a | 2767 | |
234cae2f | 2768 | AliExternalTrackParam *ptpcInner = (AliExternalTrackParam *) ptrack->GetTPCInnerParam(); |
2769 | if(!ptpcInner) return; | |
c683985a | 2770 | |
2771 | ||
234cae2f | 2772 | Float_t dxyTPC, dzTPC; |
2773 | ptrack->GetImpactParametersTPC(dxyTPC,dzTPC); | |
c683985a | 2774 | |
234cae2f | 2775 | if( abs(ptrack->Eta())<0.8 && |
2776 | ptrack->GetTPCClusterInfo(3,1)>120 && | |
2777 | ptrack->IsOn(0x40)&& | |
2778 | ptrack->GetTPCclusters(0)>0.0 && | |
2779 | ptrack->GetTPCnclsS()/ptrack->GetTPCclusters(0)<0.4 && | |
2780 | //abs(innerParam->GetX())>0.0 && | |
2781 | //abs(innerParam->GetY()/innerParam->GetX())<0.14 && | |
2782 | //abs(innerParam->GetTgl())<0.85 && | |
2783 | abs(dzTPC)<3.2 && | |
2784 | abs(dxyTPC)<2.4 ) | |
2785 | { | |
2786 | // TPC only | |
2787 | fPtResPhiPtTPC->Fill(ptpcInner->Pt(),ptpcInner->Phi(),1./abs(ptpcInner->GetSigned1Pt())*TMath::Sqrt(ptpcInner->GetSigma1Pt2())); | |
2788 | fPtResEtaPtTPC->Fill(ptpcInner->Pt(),ptpcInner->Eta(),1./abs(ptpcInner->GetSigned1Pt())*TMath::Sqrt(ptpcInner->GetSigma1Pt2())); | |
2789 | fPtResCentPtTPC->Fill(ptpcInner->Pt(),centralityF,1./abs(ptpcInner->GetSigned1Pt())*TMath::Sqrt(ptpcInner->GetSigma1Pt2())); | |
2790 | ||
2791 | // TPC constrained to vertex | |
2792 | fPtResPhiPtTPCc->Fill(ptpcInnerC->Pt(),ptpcInnerC->Phi(),1./abs(ptpcInnerC->GetSigned1Pt())*TMath::Sqrt(ptpcInnerC->GetSigma1Pt2())); | |
2793 | fPtResEtaPtTPCc->Fill(ptpcInnerC->Pt(),ptpcInnerC->Eta(),1./abs(ptpcInnerC->GetSigned1Pt())*TMath::Sqrt(ptpcInnerC->GetSigma1Pt2())); | |
2794 | fPtResCentPtTPCc->Fill(ptpcInnerC->Pt(),centralityF,1./abs(ptpcInnerC->GetSigned1Pt())*TMath::Sqrt(ptpcInnerC->GetSigma1Pt2())); | |
2795 | } | |
c683985a | 2796 | } |
4a00e62d | 2797 | |
2798 | ||
2799 | void AliAnalysisTaskFilteredTree::ProcessITSTPCmatchOut(AliESDEvent *const esdEvent, AliESDfriend *const esdFriend){ | |
2800 | // | |
2801 | // Process ITS standalone tracks find match with closest TPC(or combined tracks) tracks | |
2802 | // marian.ivanov@cern.ch | |
2803 | // 0.) Init variables | |
2804 | // 1.) GetTrack parameters at TPC inner wall | |
2805 | // 2.) Match closest TPC track (STANDALONE/global) - chi2 match criteria | |
2806 | // | |
2807 | // Logic to be used in reco: | |
2808 | // 1.) Find matching ITSalone->TPCalone | |
2809 | // 2.) if (!TPCalone.FindClose(TPCother)) TPCalone.Addopt(ITSalone) | |
2810 | // 3.) ff ((ITSalone.FindClose(Global)==0) CreateGlobaltrack | |
2811 | const Double_t radiusMatch=84.; // redius to propagate | |
2812 | // | |
2813 | const Double_t dFastPhiCut=0.2; // 6 sigma (200 MeV) fast angular cut | |
2814 | const Double_t dFastThetaCut=0.12; // 6 sigma (200 MeV) fast angular cut | |
2815 | const Double_t dFastPosPhiCut=0.06; // 6 sigma (200 MeV) fast angular cut | |
2816 | const Double_t dFastZCut=6; // 6 sigma (200 MeV) fast z difference cut | |
2817 | const Double_t dFastPtCut=2.; // 6 sigma (200 MeV) fast 1/pt cut | |
2818 | const Double_t chi2Cut=100; // chi2 matching cut | |
2819 | // | |
2820 | if (!esdFriend) return; // not ITS standalone track | |
2821 | if (esdFriend->TestSkipBit()) return; // friends tracks not stored | |
2822 | Int_t ntracks=esdEvent->GetNumberOfTracks(); | |
2823 | Float_t bz = esdEvent->GetMagneticField(); | |
2824 | // | |
2825 | // 0.) Get parameters in reference radius TPC Inner wall | |
2826 | // | |
2827 | // | |
2828 | TMatrixD vecPosR0(ntracks,6); // possition and momentum estimate at reference radius | |
2829 | TMatrixD vecMomR0(ntracks,6); // | |
2830 | TMatrixD vecPosR1(ntracks,6); // possition and momentum estimate at reference radius TPC track | |
2831 | TMatrixD vecMomR1(ntracks,6); // | |
2832 | Double_t xyz[3], pxyz[3]; // | |
2833 | for (Int_t iTrack=0; iTrack<ntracks; iTrack++){ | |
2834 | AliESDtrack *track = esdEvent->GetTrack(iTrack); | |
2835 | if(!track) continue; | |
2836 | if (track->GetInnerParam()){ | |
2837 | const AliExternalTrackParam *trackTPC=track->GetInnerParam(); | |
2838 | trackTPC->GetXYZAt(radiusMatch,bz,xyz); | |
2839 | trackTPC->GetPxPyPzAt(radiusMatch,bz,pxyz); | |
2840 | for (Int_t i=0; i<3; i++){ | |
2841 | vecPosR1(iTrack,i)=xyz[i]; | |
2842 | vecMomR1(iTrack,i)=pxyz[i]; | |
2843 | } | |
2844 | vecPosR1(iTrack,3)= TMath::ATan2(xyz[1],xyz[0]); // phi pos angle | |
2845 | vecMomR1(iTrack,3)= TMath::ATan2(pxyz[1],pxyz[0]); // phi mom angle | |
2846 | vecMomR1(iTrack,4)= trackTPC->GetSigned1Pt();; | |
2847 | vecMomR1(iTrack,5)= trackTPC->GetTgl();; | |
2848 | } | |
2849 | AliESDfriendTrack* friendTrack=esdFriend->GetTrack(iTrack); | |
2850 | if(!friendTrack) continue; | |
2851 | if (friendTrack->GetITSOut()){ | |
2852 | const AliExternalTrackParam *trackITS=friendTrack->GetITSOut(); | |
2853 | trackITS->GetXYZAt(radiusMatch,bz,xyz); | |
2854 | trackITS->GetPxPyPzAt(radiusMatch,bz,pxyz); | |
2855 | for (Int_t i=0; i<3; i++){ | |
2856 | vecPosR0(iTrack,i)=xyz[i]; | |
2857 | vecMomR0(iTrack,i)=pxyz[i]; | |
2858 | } | |
2859 | vecPosR0(iTrack,3)= TMath::ATan2(xyz[1],xyz[0]); | |
2860 | vecMomR0(iTrack,3)= TMath::ATan2(pxyz[1],pxyz[0]); | |
2861 | vecMomR0(iTrack,4)= trackITS->GetSigned1Pt();; | |
2862 | vecMomR0(iTrack,5)= trackITS->GetTgl();; | |
2863 | } | |
2864 | } | |
2865 | // | |
2866 | // 1.) Find closest matching tracks, between the ITS standalone track | |
2867 | // and the all other tracks | |
2868 | // a.) caltegory - All | |
2869 | // b.) category - without ITS | |
2870 | // | |
2871 | // | |
2872 | Int_t ntracksPropagated=0; | |
2873 | AliExternalTrackParam extTrackDummy; | |
2874 | AliESDtrack esdTrackDummy; | |
2875 | AliExternalTrackParam itsAtTPC; | |
2876 | AliExternalTrackParam itsAtITSTPC; | |
2877 | for (Int_t iTrack0=0; iTrack0<ntracks; iTrack0++){ | |
2878 | AliESDtrack *track0 = esdEvent->GetTrack(iTrack0); | |
2879 | if(!track0) continue; | |
2880 | if (track0->IsOn(AliVTrack::kTPCin)) continue; | |
2881 | AliESDfriendTrack* friendTrack0=esdFriend->GetTrack(iTrack0); | |
2882 | if (!friendTrack0) continue; | |
2883 | //if (!track0->IsOn(AliVTrack::kITSpureSA)) continue; | |
2884 | //if (!friendTrack0->GetITSOut()) continue; // is there flag for ITS standalone? | |
2885 | ntracksPropagated++; | |
2886 | // | |
2887 | // 2.) find clostest TPCtrack | |
2888 | // a.) all tracks | |
2889 | Double_t minChi2All=10000000; | |
2890 | Double_t minChi2TPC=10000000; | |
2891 | Double_t minChi2TPCITS=10000000; | |
2892 | Int_t indexAll=-1; | |
2893 | Int_t indexTPC=-1; | |
2894 | Int_t indexTPCITS=-1; | |
2895 | Int_t ncandidates0=0; // n candidates - rough cut | |
2896 | Int_t ncandidates1=0; // n candidates - rough + chi2 cut | |
2897 | itsAtTPC=*(friendTrack0->GetITSOut()); | |
2898 | itsAtITSTPC=*(friendTrack0->GetITSOut()); | |
2899 | for (Int_t iTrack1=0; iTrack1<ntracks; iTrack1++){ | |
2900 | AliESDtrack *track1 = esdEvent->GetTrack(iTrack1); | |
2901 | if(!track1) continue; | |
2902 | if (!track1->IsOn(AliVTrack::kTPCin)) continue; | |
2903 | // fast checks | |
2904 | // | |
2905 | if (TMath::Abs(vecPosR1(iTrack1,2)-vecPosR0(iTrack0,2))>dFastZCut) continue; | |
2906 | if (TMath::Abs(vecPosR1(iTrack1,3)-vecPosR0(iTrack0,3))>dFastPosPhiCut) continue; | |
2907 | if (TMath::Abs(vecMomR1(iTrack1,3)-vecMomR0(iTrack0,3))>dFastPhiCut) continue; | |
2908 | if (TMath::Abs(vecMomR1(iTrack1,5)-vecMomR0(iTrack0,5))>dFastThetaCut) continue; | |
2909 | if (TMath::Abs(vecMomR1(iTrack1,4)-vecMomR0(iTrack0,4))>dFastPtCut) continue; | |
2910 | ncandidates0++; | |
2911 | // | |
2912 | const AliExternalTrackParam * param1= track1->GetInnerParam(); | |
2913 | if (!friendTrack0->GetITSOut()) continue; | |
2914 | AliExternalTrackParam outerITS = *(friendTrack0->GetITSOut()); | |
2915 | if (!outerITS.Rotate(param1->GetAlpha())) continue; | |
2916 | if (!outerITS.PropagateTo(param1->GetX(),bz)) continue; // assume track close to the TPC inner wall | |
2917 | Double_t chi2 = outerITS.GetPredictedChi2(param1); | |
2918 | if (chi2>chi2Cut) continue; | |
2919 | ncandidates1++; | |
2920 | if (chi2<minChi2All){ | |
2921 | minChi2All=chi2; | |
2922 | indexAll=iTrack1; | |
2923 | } | |
2924 | if (chi2<minChi2TPC && track1->IsOn(AliVTrack::kITSin)==0){ | |
2925 | minChi2TPC=chi2; | |
2926 | indexTPC=iTrack1; | |
2927 | itsAtTPC=outerITS; | |
2928 | } | |
2929 | if (chi2<minChi2TPCITS && track1->IsOn(AliVTrack::kITSin)){ | |
2930 | minChi2TPCITS=chi2; | |
2931 | indexTPCITS=iTrack1; | |
2932 | itsAtITSTPC=outerITS; | |
2933 | } | |
2934 | } | |
2935 | // | |
2936 | AliESDtrack * trackAll= (indexAll>=0)? esdEvent->GetTrack(indexAll):&esdTrackDummy; | |
2937 | AliESDtrack * trackTPC= (indexTPC>=0)? esdEvent->GetTrack(indexTPC):&esdTrackDummy; | |
2938 | AliESDtrack * trackTPCITS= (indexTPCITS>=0)? esdEvent->GetTrack(indexTPCITS):&esdTrackDummy; | |
2939 | (*fTreeSRedirector)<<"itsTPC"<< | |
2940 | "indexAll="<<indexAll<< // index of closest track (chi2) | |
2941 | "indexTPC="<<indexTPC<< // index of closest TPCalone tracks | |
2942 | "indexTPCITS="<<indexTPCITS<< // index of closest cobined tracks | |
2943 | "ncandidates0="<<ncandidates0<< // number of candidates | |
2944 | "ncandidates1="<<ncandidates1<< | |
2945 | // | |
2946 | "chi2All="<<minChi2All<< // chi2 of closest tracks | |
2947 | "chi2TPC="<<minChi2TPC<< | |
2948 | "chi2TPCITS="<<minChi2TPCITS<< | |
2949 | // | |
2950 | "track0.="<<track0<< // ITS standalone tracks | |
2951 | "trackAll.="<<trackAll<< // Closets other track | |
2952 | "trackTPC.="<<trackTPC<< // Closest TPC only track | |
2953 | "trackTPCITS.="<<trackTPCITS<< // closest combined track | |
2954 | // | |
2955 | "itsAtTPC.="<<&itsAtTPC<< // ITS track parameters at the TPC alone track frame | |
2956 | "itsAtITSTPC.="<<&itsAtITSTPC<< // ITS track parameters at the TPC combeined track frame | |
2957 | "\n"; | |
2958 | } | |
2959 | } | |
2960 | ||
b4990577 | 2961 | void AliAnalysisTaskFilteredTree::ProcessTrackMatch(AliESDEvent *const /*esdEvent*/, AliESDfriend *const /*esdFriend*/){ |
4a00e62d | 2962 | /* |
b4990577 | 2963 | Use TPC standalone, ITS standalone and combined tracks to categorize/resp. recover track information. |
2964 | ||
2965 | Track categories: | |
2966 | -TPC+ITS | |
2967 | -TPC only | |
2968 | -ITS only | |
2969 | Topology categories: | |
2970 | -Nice isolated tracks with full information | |
2971 | -Overlapped tracks - Refit and sign them | |
2972 | -Multiple found (check overlap factor) - Merge and sign | |
2973 | -Charge particle (kink) decays - Change of direction - Sign them) | |
2974 | Info: | |
2975 | -Array of indexes of closest tracks in each individual category | |
2976 | -Chi2 distance to the closest tracks at reference radius of TPCin | |
2977 | -Overlap factors - fraction of shared clusters or missing region | |
2978 | -Chi2 distance at DCA | |
2979 | Information matrix: | |
2980 | -matrix closest tracks from each categories | |
2981 | -characterization - chi2, index,chi2, overlap ratio | |
2982 | ||
2983 | Decissions: | |
2984 | 0.) Kink decay or catastophic multiple scaterring | |
2985 | (combining all track categories) | |
2986 | - small chi2 at the DCA | |
2987 | - significantly large deflection angle | |
2988 | - Combinatorial algorithm - to decrease CPU time restriction of investigation to tracks with small DCA at refernce radius | |
4a00e62d | 2989 | |
b4990577 | 2990 | 1.) if (TPConly && !(TPC+ITS) && ITSonly match ) { |
2991 | if (!kink) TPCOnly.addoptITS | |
2992 | if (kink) TPConly sign | |
2993 | } | |
4a00e62d | 2994 | |
b4990577 | 2995 | 2.) Overlap tracks - Refit with doUnfold |
4a00e62d | 2996 | |
2997 | */ | |
b4990577 | 2998 | } |