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fa97374c 1/**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
3 * *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
6 * *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
15
27de2dfb 16/* $Id$ */
17
fa97374c 18// ROOT includes
19#include <TObjArray.h>
20#include <TClonesArray.h>
21#include <TH1F.h>
22#include <TH2F.h>
23#include <TCanvas.h>
24
25// STEER includes
26#include "AliLog.h"
27#include "AliESDEvent.h"
28#include "AliESDMuonTrack.h"
29#include "AliESDInputHandler.h"
30#include "AliMCEventHandler.h"
31
32// ANALYSIS includes
c121b0eb 33#include "AliAnalysisDataSlot.h"
34#include "AliAnalysisDataContainer.h"
fa97374c 35#include "AliAnalysisManager.h"
36#include "AliCDBManager.h"
37
38// MUON includes
39#include "AliMUONCDB.h"
40#include "AliMUONRecoParam.h"
41#include "AliMUONRecoCheck.h"
42#include "AliMUONVCluster.h"
43#include "AliMUONVTrackStore.h"
c121b0eb 44#include "AliMUONVTriggerTrackStore.h"
fa97374c 45#include "AliMUONTrack.h"
46#include "AliMUONTrackParam.h"
47#include "AliMUONESDInterface.h"
48
49#include "AliAnalysisTaskMuonFakes.h"
50#include "AliCounterCollection.h"
51
52ClassImp(AliAnalysisTaskMuonFakes)
53
54//________________________________________________________________________
55AliAnalysisTaskMuonFakes::AliAnalysisTaskMuonFakes() :
56AliAnalysisTaskSE(),
57fList(0x0),
58fCanvases(0x0),
59fTrackCounters(0x0),
60fFakeTrackCounters(0x0),
61fMatchedTrackCounters(0x0),
62fEventCounters(0x0),
63fCurrentFileName(""),
64fRequestedStationMask(0),
65fRequest2ChInSameSt45(kFALSE),
66fSigmaCut(-1.),
67fUseLabel(kFALSE),
68fRecoParamLocation("alien://folder=/alice/simulation/2008/v4-15-Release/Full")
69{
70 /// Default constructor.
71}
72
73//________________________________________________________________________
74AliAnalysisTaskMuonFakes::AliAnalysisTaskMuonFakes(const char *name) :
75AliAnalysisTaskSE(name),
76fList(0x0),
77fCanvases(0x0),
78fTrackCounters(0x0),
79fFakeTrackCounters(0x0),
80fMatchedTrackCounters(0x0),
81fEventCounters(0x0),
82fCurrentFileName(""),
83fRequestedStationMask(0),
84fRequest2ChInSameSt45(kFALSE),
85fSigmaCut(-1.),
86fUseLabel(kFALSE),
87fRecoParamLocation("alien://folder=/alice/simulation/2008/v4-15-Release/Full")
88{
89 /// Constructor.
90 // Output slot #1 writes into a TObjArray container
91 DefineOutput(1,TObjArray::Class());
92 // Output slot #2 writes into an AliCounterCollection container
93 DefineOutput(2,AliCounterCollection::Class());
94 // Output slot #3 writes into an AliCounterCollection container
95 DefineOutput(3,AliCounterCollection::Class());
96 // Output slot #4 writes into an AliCounterCollection container
97 DefineOutput(4,AliCounterCollection::Class());
98 // Output slot #5 writes into an AliCounterCollection container
99 DefineOutput(5,AliCounterCollection::Class());
100}
101
102//________________________________________________________________________
103AliAnalysisTaskMuonFakes::~AliAnalysisTaskMuonFakes()
104{
105 /// Destructor.
106 if (!AliAnalysisManager::GetAnalysisManager()->IsProofMode()) {
107 delete fList;
108 delete fTrackCounters;
109 delete fFakeTrackCounters;
110 delete fMatchedTrackCounters;
111 delete fEventCounters;
112 }
113 delete fCanvases;
114}
115
116//___________________________________________________________________________
117void AliAnalysisTaskMuonFakes::UserCreateOutputObjects()
118{
119 /// Create histograms and counters.
120
121 fList = new TObjArray(100);
122 fList->SetOwner();
123
124 // number of tracks
125 TH1F *hNumberOfTracks = new TH1F("hNumberOfTracks", "nb of tracks /evt", 21, -0.5, 20.5);
126 fList->AddAtAndExpand(hNumberOfTracks, kNumberOfTracks);
127 TH1F *hNumberOfAdditionalTracks = new TH1F("hNumberOfAdditionalTracks", "nb of fake - nb of missing track", 21, -0.5, 20.5);
128 fList->AddAtAndExpand(hNumberOfAdditionalTracks, kNumberOfAdditionalTracks);
129
130 // number of clusters
131 TH1F *hNumberOfClusters = new TH1F("hNumberOfClusters", "nb of clusters /track", 21, -0.5, 20.5);
132 fList->AddAtAndExpand(hNumberOfClusters, kNumberOfClusters);
133 TH1F *hNumberOfClustersM = new TH1F("hNumberOfClustersM", "nb of clusters /matched track", 21, -0.5, 20.5);
134 fList->AddAtAndExpand(hNumberOfClustersM, kNumberOfClustersM);
135 TH1F *hNumberOfClustersF = new TH1F("hNumberOfClustersF", "nb of clusters /fake track", 21, -0.5, 20.5);
136 fList->AddAtAndExpand(hNumberOfClustersF, kNumberOfClustersF);
137 TH1F *hNumberOfClustersMC = new TH1F("hNumberOfClustersMC", "nb of clusters /MC track", 21, -0.5, 20.5);
138 fList->AddAtAndExpand(hNumberOfClustersMC, kNumberOfClustersMC);
139 TH1F *hFractionOfMatchedClusters = new TH1F("hFractionOfMatchedClusters", "nb of matched clusters / nb of clusters", 110, 0., 1.1);
140 fList->AddAtAndExpand(hFractionOfMatchedClusters, kFractionOfMatchedClusters);
141 TH1F *hFractionOfConnectedClusters = new TH1F("hFractionOfConnectedClusters", "nb of connected clusters / nb of clusters in fake tracks", 110, 0., 1.1);
142 fList->AddAtAndExpand(hFractionOfConnectedClusters, kFractionOfConnectedClusters);
143
144 // number of fired chambers
145 TH1F *hNumberOfChamberHit = new TH1F("hNumberOfChamberHit", "nb of chambers hit /track", 16, -0.5, 15.5);
146 fList->AddAtAndExpand(hNumberOfChamberHit, kNumberOfChamberHit);
147 TH1F *hNumberOfChamberHitM = new TH1F("hNumberOfChamberHitM", "nb of chambers hit /matched track", 16, -0.5, 15.5);
148 fList->AddAtAndExpand(hNumberOfChamberHitM, kNumberOfChamberHitM);
149 TH1F *hNumberOfChamberHitF = new TH1F("hNumberOfChamberHitF", "nb of chambers hit /fake track", 16, -0.5, 15.5);
150 fList->AddAtAndExpand(hNumberOfChamberHitF, kNumberOfChamberHitF);
151
152 // chi2
153 TH1F *hChi2PerDof = new TH1F("hChi2PerDof", "track chi2/d.o.f.", 100, 0., 20.);
154 fList->AddAtAndExpand(hChi2PerDof, kChi2PerDof);
155 TH1F *hChi2PerDofM = new TH1F("hChi2PerDofM", "matched track chi2/d.o.f.", 100, 0., 20.);
156 fList->AddAtAndExpand(hChi2PerDofM, kChi2PerDofM);
157 TH1F *hChi2PerDofF = new TH1F("hChi2PerDofF", "fake track chi2/d.o.f.", 100, 0., 20.);
158 fList->AddAtAndExpand(hChi2PerDofF, kChi2PerDofF);
159
160 // chi2 versus number of clusters
161 TH2F *hChi2PerDofVsNClusters = new TH2F("hChi2PerDofVsNClusters", "track chi2/d.o.f. versus nb of clusters", 21, -0.5, 20.5, 100, 0., 20.);
162 fList->AddAtAndExpand(hChi2PerDofVsNClusters, kChi2PerDofVsNClusters);
163 TH2F *hChi2PerDofVsNClustersM = new TH2F("hChi2PerDofVsNClustersM", "matched track chi2/d.o.f. versus nb of clusters", 21, -0.5, 20.5, 100, 0., 20.);
164 fList->AddAtAndExpand(hChi2PerDofVsNClustersM, kChi2PerDofVsNClustersM);
165 TH2F *hChi2PerDofVsNClustersF = new TH2F("hChi2PerDofVsNClustersF", "fake track chi2/d.o.f. versus nb of clusters", 21, -0.5, 20.5, 100, 0., 20.);
166 fList->AddAtAndExpand(hChi2PerDofVsNClustersF, kChi2PerDofVsNClustersF);
167
168 // chi2 versus number of fired chambers
169 TH2F *hChi2PerDofVsNChamberHit = new TH2F("hChi2PerDofVsNChamberHit", "track chi2/d.o.f. versus nb of fired chambers", 16, -0.5, 15.5, 100, 0., 20.);
170 fList->AddAtAndExpand(hChi2PerDofVsNChamberHit, kChi2PerDofVsNChamberHit);
171 TH2F *hChi2PerDofVsNChamberHitM = new TH2F("hChi2PerDofVsNChamberHitM", "matched track chi2/d.o.f. versus nb of fired chambers", 16, -0.5, 15.5, 100, 0., 20.);
172 fList->AddAtAndExpand(hChi2PerDofVsNChamberHitM, kChi2PerDofVsNChamberHitM);
173 TH2F *hChi2PerDofVsNChamberHitF = new TH2F("hChi2PerDofVsNChamberHitF", "fake track chi2/d.o.f. versus nb of fired chambers", 16, -0.5, 15.5, 100, 0., 20.);
174 fList->AddAtAndExpand(hChi2PerDofVsNChamberHitF, kChi2PerDofVsNChamberHitF);
175
176 // physics quantities
177 TH1F *hP = new TH1F("hP", "Muon P distribution (GeV/c)", 100, 0., 200.);
178 fList->AddAtAndExpand(hP, kP);
179 TH1F *hPM = new TH1F("hPM", "matched track P distribution (GeV/c)", 100, 0., 200.);
180 fList->AddAtAndExpand(hPM, kPM);
181 TH1F *hPF = new TH1F("hPF", "fake track P distribution (GeV/c)", 100, 0., 200.);
182 fList->AddAtAndExpand(hPF, kPF);
183 TH1F *hPt = new TH1F("hPt", "Muon Pt distribution (GeV/c)", 100, 0., 20.);
184 fList->AddAtAndExpand(hPt, kPt);
185 TH1F *hPtM = new TH1F("hPtM", "matched track Pt distribution (GeV/c)", 100, 0., 20.);
186 fList->AddAtAndExpand(hPtM, kPtM);
187 TH1F *hPtF = new TH1F("hPtF", "fake track Pt distribution (GeV/c)", 100, 0., 20.);
188 fList->AddAtAndExpand(hPtF, kPtF);
189 TH1F *hEta = new TH1F("hEta", "Muon pseudo-rapidity distribution", 100, -10., 0.);
190 fList->AddAtAndExpand(hEta , kEta );
191 TH1F *hEtaM = new TH1F("hEtaM", "matched track pseudo-rapidity distribution", 100, -10., 0.);
192 fList->AddAtAndExpand(hEtaM, kEtaM);
193 TH1F *hEtaF = new TH1F("hEtaF", "fake track pseudo-rapidity distribution", 100, -10., 0.);
194 fList->AddAtAndExpand(hEtaF, kEtaF);
195 TH1F *hPhi = new TH1F("hPhi", "Muon phi distribution", 100, -1., 9.);
196 fList->AddAtAndExpand(hPhi, kPhi);
197 TH1F *hPhiM = new TH1F("hPhiM", "matched track phi distribution", 100, -1., 9.);
198 fList->AddAtAndExpand(hPhiM, kPhiM);
199 TH1F *hPhiF = new TH1F("hPhiF", "fake track phi distribution", 100, -1., 9.);
200 fList->AddAtAndExpand(hPhiF, kPhiF);
201 TH1F *hDCA = new TH1F("hDCA", "Muon DCA distribution", 125, 0., 500.);
202 fList->AddAtAndExpand(hDCA, kDCA);
203 TH1F *hDCAM = new TH1F("hDCAM", "matched track DCA distribution", 125, 0., 500.);
204 fList->AddAtAndExpand(hDCAM, kDCAM);
205 TH1F *hDCAF = new TH1F("hDCAF", "fake track DCA distribution", 125, 0., 500.);
206 fList->AddAtAndExpand(hDCAF, kDCAF);
207
208 // global counters of tracks:
209 // - reconstructible = number of reconstructible tracks
210 // - reconstructed = number of reconstructed tracks
211 // - matched = number of reconstructed tracks matched with a simulated one (reconstructible or not)
212 // - matchedyet = number of reconstructed tracks matched with a simulated one that is not reconstructible
213 // - fake = number of fake tracks
214 // - connected = number of fake tracks connected to a reconstructible simulated track
215 // - additional = number of additional (fake) tracks compared to the number of reconstructible ones
c121b0eb 216 fTrackCounters = new AliCounterCollection(GetOutputSlot(2)->GetContainer()->GetName());
fa97374c 217 fTrackCounters->AddRubric("track", "reconstructible/reconstructed/matched/matchedyet/fake/connected/additional");
218 fTrackCounters->AddRubric("run", 1000000);
219 fTrackCounters->AddRubric("trig", "yes/no/unknown");
220 fTrackCounters->AddRubric("selected", "yes/no");
221 fTrackCounters->AddRubric("acc", "in/out/unknown");
222 fTrackCounters->Init();
223
224 // detailled counters of fake tracks:
c121b0eb 225 fFakeTrackCounters = new AliCounterCollection(GetOutputSlot(3)->GetContainer()->GetName());
fa97374c 226 fFakeTrackCounters->AddRubric("track", "fake/connected/additional/matchedyet/fake?");
227 fFakeTrackCounters->AddRubric("run", 1000000);
228 fFakeTrackCounters->AddRubric("file", 1000000);
229 fFakeTrackCounters->AddRubric("event", 1000000);
230 fFakeTrackCounters->AddRubric("trig", "yes/no/unknown");
231 fFakeTrackCounters->AddRubric("selected", "yes/no");
232 fFakeTrackCounters->AddRubric("acc", "in/out/unknown");
233 fFakeTrackCounters->Init();
234
235 // counters of tracks matched by position or by using MC labels
c121b0eb 236 fMatchedTrackCounters = new AliCounterCollection(GetOutputSlot(4)->GetContainer()->GetName());
fa97374c 237 fMatchedTrackCounters->AddRubric("position", "match/not match");
238 fMatchedTrackCounters->AddRubric("label", "match/not match/match other");
239 fMatchedTrackCounters->AddRubric("run", 1000000);
240 fMatchedTrackCounters->AddRubric("trig", "yes/no");
241 fMatchedTrackCounters->AddRubric("selected", "yes/no");
242 fMatchedTrackCounters->AddRubric("acc", "in/out");
243 fMatchedTrackCounters->Init();
244
245 // global counters of events
246 // - any = total number of events with reconstructed tracks
247 // - fake = number of events with fake track(s)
248 // - notconnected = number of events with fake tracks that are not connected to a reconstructible simulated track
249 // - additional = number of events with additional (fake) tracks compared to the number of reconstructible ones
250 // - matchedyet = number of events with reconstructed tracks matched with a simulated one that is not reconstructible
251 // if trig = yes: only the tracks matched with the trigger are considered in the above logic
c121b0eb 252 fEventCounters = new AliCounterCollection(GetOutputSlot(5)->GetContainer()->GetName());
fa97374c 253 fEventCounters->AddRubric("event", "any/fake/notconnected/additional/matchedyet");
254 fEventCounters->AddRubric("run", 1000000);
255 fEventCounters->AddRubric("trig", "any/yes");
256 fEventCounters->AddRubric("selected", "yes/no");
257 fEventCounters->Init();
258
259 // Disable printout of AliMCEvent
260 AliLog::SetClassDebugLevel("AliMCEvent",-1);
261
262 // Post data at least once per task to ensure data synchronisation (required for merging)
263 PostData(1, fList);
264 PostData(2, fTrackCounters);
265 PostData(3, fFakeTrackCounters);
266 PostData(4, fMatchedTrackCounters);
267 PostData(5, fEventCounters);
268}
269
270//________________________________________________________________________
271void AliAnalysisTaskMuonFakes::UserExec(Option_t *)
272{
273 /// Process event: looks for fakes...
274
275 // check that reconstructions parameters for that run have been properly set
276 if (fSigmaCut < 0) return;
277
278 // check physics selection
279 TString selected = (fInputHandler && fInputHandler->IsEventSelected() != 0) ? "selected:yes" : "selected:no";
280
281 // current file name
282 fCurrentFileName = CurrentFileName();
283 fCurrentFileName.ReplaceAll("alien://","");
284 fCurrentFileName.ReplaceAll("/","\\");
285 fCurrentFileName.ReplaceAll(":",";");
286
287 // Load ESD event
288 AliESDEvent* esd = dynamic_cast<AliESDEvent*>(InputEvent());
289
290 // Load MC event
291 AliMCEventHandler *mcH = 0;
292 if(MCEvent()) mcH = static_cast<AliMCEventHandler*>((AliAnalysisManager::GetAnalysisManager())->GetMCtruthEventHandler());
293
294 // get reconstructed and simulated tracks
295 AliMUONRecoCheck rc(esd,mcH);
296 AliMUONVTrackStore* muonTrackStore = rc.ReconstructedTracks(-1, kFALSE);
297 AliMUONVTrackStore* trackRefStore = rc.TrackRefs(-1);
c121b0eb 298 AliMUONVTriggerTrackStore* triggerTrackRefStore = rc.TriggerableTracks(-1);
fa97374c 299 if (!muonTrackStore || !trackRefStore) return;
300
301 // count the number of reconstructible tracks
302 TIter next(trackRefStore->CreateIterator());
303 AliMUONTrack* trackRef;
304 while ( ( trackRef = static_cast<AliMUONTrack*>(next()) ) ) {
c121b0eb 305 if (trackRef->IsValid(fRequestedStationMask, fRequest2ChInSameSt45)) {
306 TString trig = (triggerTrackRefStore->FindObject(trackRef->GetUniqueID())) ? "trig:yes" : "trig:no";
307 fTrackCounters->Count(Form("track:reconstructible/run:%d/%s/%s/acc:unknown", fCurrentRunNumber, trig.Data(), selected.Data()));
308 }
fa97374c 309 }
310
311 // loop over ESD tracks
312 Int_t nTrackerTracks = 0;
313 Bool_t containTrack[2] = {kFALSE, kFALSE};
314 Bool_t containFakeTrack[2] = {kFALSE, kFALSE};
315 Bool_t containMatchedYetTrack[2] = {kFALSE, kFALSE};
316 AliMUONVTrackStore *fakeTrackStore = AliMUONESDInterface::NewTrackStore();
317 Int_t nTracks = (Int_t)esd->GetNumberOfMuonTracks() ;
318 for (Int_t iTrack = 0; iTrack < nTracks; iTrack++) {
319
320 AliESDMuonTrack* esdTrack = esd->GetMuonTrack(iTrack);
321
322 // skip ghosts
323 if (!esdTrack->ContainTrackerData()) continue;
324 nTrackerTracks++;
325 containTrack[0] = kTRUE;
326
327 // trigger condition
328 Bool_t trigger = esdTrack->ContainTriggerData();
329 TString trig = "trig:";
330 if (trigger) {
331 trig += "yes";
332 containTrack[1] = kTRUE;
333 } else trig += "no";
334
335 // acceptance condition
336 TString acc = "acc:";
337 Double_t thetaTrackAbsEnd = TMath::ATan(esdTrack->GetRAtAbsorberEnd()/505.) * TMath::RadToDeg();
338 Double_t eta = esdTrack->Eta();
339 if (thetaTrackAbsEnd >= 2. && thetaTrackAbsEnd <= 9. && eta >= -4. && eta <= -2.5) acc += "in";
340 else acc += "out";
341
342 // fill global counters
343 fTrackCounters->Count(Form("track:reconstructed/run:%d/%s/%s/%s", fCurrentRunNumber, trig.Data(), selected.Data(), acc.Data()));
344
345 // find the corresponding MUON track
346 AliMUONTrack* muonTrack = static_cast<AliMUONTrack*>(muonTrackStore->FindObject(esdTrack->GetUniqueID()));
347
348 // get track info
349 Int_t nClusters = esdTrack->GetNClusters();
350 Int_t nChamberHit = 0;
351 for (Int_t ich=0; ich<10; ich++) if (esdTrack->IsInMuonClusterMap(ich)) nChamberHit++;
352 Double_t normalizedChi2 = esdTrack->GetChi2() / (2. * esdTrack->GetNHit() - 5);
353 Double_t p = esdTrack->P();
354 Double_t pT = esdTrack->Pt();
355 Double_t phi = esdTrack->Phi();
356 Double_t dca = esdTrack->GetDCA();
357
358 // fill global histograms
359 ((TH1F*)fList->UncheckedAt(kNumberOfClusters))->Fill(nClusters);
360 ((TH1F*)fList->UncheckedAt(kNumberOfChamberHit))->Fill(nChamberHit);
361 ((TH1F*)fList->UncheckedAt(kChi2PerDof))->Fill(normalizedChi2);
362 ((TH1F*)fList->UncheckedAt(kP))->Fill(p);
363 ((TH1F*)fList->UncheckedAt(kPt))->Fill(pT);
364 ((TH1F*)fList->UncheckedAt(kEta))->Fill(eta);
365 ((TH1F*)fList->UncheckedAt(kPhi))->Fill(phi);
366 ((TH1F*)fList->UncheckedAt(kDCA))->Fill(dca);
367 ((TH1F*)fList->UncheckedAt(kChi2PerDofVsNClusters))->Fill(nClusters,normalizedChi2);
368 ((TH1F*)fList->UncheckedAt(kChi2PerDofVsNChamberHit))->Fill(nChamberHit,normalizedChi2);
369
370 // try to match, by position, the reconstructed track with a simulated one
371 Int_t nMatchClustersByPosition = 0;
372 AliMUONTrack* matchedTrackRefByPosition = rc.FindCompatibleTrack(*muonTrack, *trackRefStore, nMatchClustersByPosition, kFALSE, fSigmaCut);
8b855522 373 Int_t MCLabelByPosition = (matchedTrackRefByPosition) ? static_cast<Int_t>(matchedTrackRefByPosition->GetUniqueID()) : -1;
fa97374c 374
375 // try to match, by using MC labels, the reconstructed track with a simulated one
376 Int_t nMatchClustersByLabel = 0;
377 AliMUONTrack* matchedTrackRefByLabel = rc.FindCompatibleTrack(*muonTrack, *trackRefStore, nMatchClustersByLabel, kTRUE, fSigmaCut);
8b855522 378 Int_t MCLabelByLabel = (matchedTrackRefByLabel) ? static_cast<Int_t>(matchedTrackRefByLabel->GetUniqueID()) : -1;
fa97374c 379
380 // fill global counters
381 TString positionCase = (MCLabelByPosition >= 0) ? "position:match" : "position:not match";
382 TString labelCase = "label:";
383 if (MCLabelByLabel >= 0 && MCLabelByPosition >= 0 && MCLabelByLabel != MCLabelByPosition) labelCase += "match other";
384 else if (MCLabelByLabel >= 0) labelCase += "match";
385 else labelCase += "not match";
386 fMatchedTrackCounters->Count(Form("%s/%s/run:%d/%s/%s/%s", positionCase.Data(), labelCase.Data(), fCurrentRunNumber, trig.Data(), selected.Data(), acc.Data()));
387 if ((MCLabelByLabel >= 0 && MCLabelByPosition < 0) || (MCLabelByLabel < 0 && MCLabelByPosition >= 0))
388 fFakeTrackCounters->Count(Form("track:fake?/run:%d/file:%s/event:%d/%s/%s/%s", fCurrentRunNumber, fCurrentFileName.Data(),
389 esd->GetEventNumberInFile(), trig.Data(), selected.Data(), acc.Data()));
390
391 // take actions according to the matching result we are interested in
392 Int_t nMatchClusters = (fUseLabel) ? nMatchClustersByLabel : nMatchClustersByPosition;
393 AliMUONTrack* matchedTrackRef = (fUseLabel) ? matchedTrackRefByLabel : matchedTrackRefByPosition;
394 if (matchedTrackRef) {
395
396 // fill global counters
397 fTrackCounters->Count(Form("track:matched/run:%d/%s/%s/%s", fCurrentRunNumber, trig.Data(), selected.Data(), acc.Data()));
398
399 // track matched with a trackRef that is not reconstructible
400 if (!matchedTrackRef->IsValid(fRequestedStationMask, fRequest2ChInSameSt45)) {
401
402 containMatchedYetTrack[0] = kTRUE;
403 if (trigger) containMatchedYetTrack[1] = kTRUE;
404
405 // fill global counters
406 fTrackCounters->Count(Form("track:matchedyet/run:%d/%s/%s/%s", fCurrentRunNumber, trig.Data(), selected.Data(), acc.Data()));
407 fFakeTrackCounters->Count(Form("track:matchedyet/run:%d/file:%s/event:%d/%s/%s/%s", fCurrentRunNumber, fCurrentFileName.Data(),
408 esd->GetEventNumberInFile(), trig.Data(), selected.Data(), acc.Data()));
409 }
410
411 // fill histograms
412 ((TH1F*)fList->UncheckedAt(kFractionOfMatchedClusters))->Fill(((Float_t) nMatchClusters) / ((Float_t) nClusters));
413 ((TH1F*)fList->UncheckedAt(kNumberOfClustersMC))->Fill(matchedTrackRef->GetNClusters());
414 ((TH1F*)fList->UncheckedAt(kNumberOfClustersM))->Fill(nClusters);
415 ((TH1F*)fList->UncheckedAt(kNumberOfChamberHitM))->Fill(nChamberHit);
416 ((TH1F*)fList->UncheckedAt(kChi2PerDofM))->Fill(normalizedChi2);
417 ((TH1F*)fList->UncheckedAt(kPM))->Fill(p);
418 ((TH1F*)fList->UncheckedAt(kPtM))->Fill(pT);
419 ((TH1F*)fList->UncheckedAt(kEtaM))->Fill(eta);
420 ((TH1F*)fList->UncheckedAt(kPhiM))->Fill(phi);
421 ((TH1F*)fList->UncheckedAt(kDCAM))->Fill(dca);
422 ((TH1F*)fList->UncheckedAt(kChi2PerDofVsNClustersM))->Fill(nClusters,normalizedChi2);
423 ((TH1F*)fList->UncheckedAt(kChi2PerDofVsNChamberHitM))->Fill(nChamberHit,normalizedChi2);
424
425 // remove already matched trackRefs
426 trackRefStore->Remove(*matchedTrackRef);
427
428 } else {
429
430 containFakeTrack[0] = kTRUE;
431 if (trigger) containFakeTrack[1] = kTRUE;
432
433 // fill global counters
434 fTrackCounters->Count(Form("track:fake/run:%d/%s/%s/%s", fCurrentRunNumber, trig.Data(), selected.Data(), acc.Data()));
435 fFakeTrackCounters->Count(Form("track:fake/run:%d/file:%s/event:%d/%s/%s/%s", fCurrentRunNumber, fCurrentFileName.Data(),
436 esd->GetEventNumberInFile(), trig.Data(), selected.Data(), acc.Data()));
437
438 // fill histograms
439 ((TH1F*)fList->UncheckedAt(kNumberOfClustersF))->Fill(nClusters);
440 ((TH1F*)fList->UncheckedAt(kNumberOfChamberHitF))->Fill(nChamberHit);
441 ((TH1F*)fList->UncheckedAt(kChi2PerDofF))->Fill(normalizedChi2);
442 ((TH1F*)fList->UncheckedAt(kPF))->Fill(p);
443 ((TH1F*)fList->UncheckedAt(kPtF))->Fill(pT);
444 ((TH1F*)fList->UncheckedAt(kEtaF))->Fill(eta);
445 ((TH1F*)fList->UncheckedAt(kPhiF))->Fill(phi);
446 ((TH1F*)fList->UncheckedAt(kDCAF))->Fill(dca);
447 ((TH1F*)fList->UncheckedAt(kChi2PerDofVsNClustersF))->Fill(nClusters,normalizedChi2);
448 ((TH1F*)fList->UncheckedAt(kChi2PerDofVsNChamberHitF))->Fill(nChamberHit,normalizedChi2);
449
450 // store fake tracks
451 fakeTrackStore->Add(*muonTrack);
452
453 }
454
455 } // end of loop over ESD tracks
456
457 // fill histogram and global counters
458 ((TH1F*)fList->UncheckedAt(kNumberOfTracks))->Fill(nTrackerTracks);
459 if (containTrack[0]) fEventCounters->Count(Form("event:any/run:%d/trig:any/%s", fCurrentRunNumber, selected.Data()));
460 if (containTrack[1]) fEventCounters->Count(Form("event:any/run:%d/trig:yes/%s", fCurrentRunNumber, selected.Data()));
461 if (containFakeTrack[0]) fEventCounters->Count(Form("event:fake/run:%d/trig:any/%s", fCurrentRunNumber, selected.Data()));
462 if (containFakeTrack[1]) fEventCounters->Count(Form("event:fake/run:%d/trig:yes/%s", fCurrentRunNumber, selected.Data()));
463 if (containMatchedYetTrack[0]) fEventCounters->Count(Form("event:matchedyet/run:%d/trig:any/%s", fCurrentRunNumber, selected.Data()));
464 if (containMatchedYetTrack[1]) fEventCounters->Count(Form("event:matchedyet/run:%d/trig:yes/%s", fCurrentRunNumber, selected.Data()));
465
466 // count the number of not connected and additional fake tracks
467 if (fakeTrackStore->GetSize() > 0) {
468
469 // remove the most connected fake tracks
470 Int_t nFreeMissingTracks = RemoveConnectedFakes(*fakeTrackStore, *trackRefStore);
471
472 if (fakeTrackStore->GetSize() > 0) {
473
474 // fill global counters
475 fEventCounters->Count(Form("event:notconnected/run:%d/trig:any/%s", fCurrentRunNumber, selected.Data()));
476
477 // check status of remaining fakes with respect to the matching with trigger
478 Bool_t containMatchedFake = kFALSE;
479 Bool_t containUnmatchedFake = kFALSE;
480 AliMUONTrack* fakeTrack = 0x0;
481 TIter next3(fakeTrackStore->CreateIterator());
482 while ( ( fakeTrack = static_cast<AliMUONTrack*>(next3()) ) ) {
483 if (fakeTrack->GetMatchTrigger() > 0) containMatchedFake = kTRUE;
484 else containUnmatchedFake = kTRUE;
485 }
486
487 // fill global counters
488 if (containMatchedFake) fEventCounters->Count(Form("event:notconnected/run:%d/trig:yes/%s", fCurrentRunNumber, selected.Data()));
489
490 // remove the remaining free reconstructible tracks
491 Int_t nAdditionalTracks = fakeTrackStore->GetSize() - nFreeMissingTracks;
492
493 if (nAdditionalTracks > 0) {
494
495 // fill histogram and global counters
496 ((TH1F*)fList->UncheckedAt(kNumberOfAdditionalTracks))->Fill(nAdditionalTracks);
497 fEventCounters->Count(Form("event:additional/run:%d/trig:any/%s", fCurrentRunNumber, selected.Data()));
498 if (!containUnmatchedFake) { // all matched
499 fTrackCounters->Count(Form("track:additional/run:%d/trig:yes/%s/acc:unknown", fCurrentRunNumber, selected.Data()), nAdditionalTracks);
500 fFakeTrackCounters->Count(Form("track:additional/run:%d/file:%s/event:%d/trig:yes/%s/acc:unknown", fCurrentRunNumber, fCurrentFileName.Data(), esd->GetEventNumberInFile(), selected.Data()), nAdditionalTracks);
501 fEventCounters->Count(Form("event:additional/run:%d/trig:yes/%s", fCurrentRunNumber, selected.Data()));
502 } else if (!containMatchedFake) { // none matched
503 fTrackCounters->Count(Form("track:additional/run:%d/trig:no/%s/acc:unknown", fCurrentRunNumber, selected.Data()), nAdditionalTracks);
504 fFakeTrackCounters->Count(Form("track:additional/run:%d/file:%s/event:%d/trig:no/%s/acc:unknown", fCurrentRunNumber, fCurrentFileName.Data(), esd->GetEventNumberInFile(), selected.Data()), nAdditionalTracks);
505 } else { // mixed
506 fTrackCounters->Count(Form("track:additional/run:%d/trig:unknown/%s/acc:unknown", fCurrentRunNumber, selected.Data()), nAdditionalTracks);
507 fFakeTrackCounters->Count(Form("track:additional/run:%d/file:%s/event:%d/trig:unknown/%s/acc:unknown", fCurrentRunNumber, fCurrentFileName.Data(), esd->GetEventNumberInFile(), selected.Data()), nAdditionalTracks);
508 fEventCounters->Count(Form("event:additional/run:%d/trig:yes/%s", fCurrentRunNumber, selected.Data()));
509 }
510
511 }
512
513 }
514
515 }
516
517 delete fakeTrackStore;
518
519 // Post final data
520 PostData(1, fList);
521 PostData(2, fTrackCounters);
522 PostData(3, fFakeTrackCounters);
523 PostData(4, fMatchedTrackCounters);
524 PostData(5, fEventCounters);
525}
526
527//________________________________________________________________________
528void AliAnalysisTaskMuonFakes::NotifyRun()
529{
530 /// Prepare processing of new run: load corresponding OCDB objects...
531
532 // load necessary data from OCDB
533 AliCDBManager::Instance()->SetDefaultStorage(fRecoParamLocation.Data());
534 AliCDBManager::Instance()->SetRun(fCurrentRunNumber);
535 AliMUONRecoParam* recoParam = AliMUONCDB::LoadRecoParam();
536 if (!recoParam) {
537 fRequestedStationMask = 0;
538 fRequest2ChInSameSt45 = kFALSE;
539 fSigmaCut = -1.;
540 AliError("--> skip this run");
541 return;
542 }
543
544 // compute the mask of requested stations from recoParam
545 fRequestedStationMask = 0;
546 for (Int_t i = 0; i < 5; i++) if (recoParam->RequestStation(i)) fRequestedStationMask |= ( 1 << i );
547
548 // get from recoParam whether a track need 2 chambers hit in the same station (4 or 5) or not to be reconstructible
549 fRequest2ChInSameSt45 = !recoParam->MakeMoreTrackCandidates();
550
551 // get sigma cut from recoParam to associate clusters with TrackRefs in case the labels are not used
552 fSigmaCut = (recoParam->ImproveTracks()) ? recoParam->GetSigmaCutForImprovement() : recoParam->GetSigmaCutForTracking();
553}
554
555//________________________________________________________________________
556void AliAnalysisTaskMuonFakes::Terminate(Option_t *)
557{
558 /// Draw results to the screen and print statistics.
559
560 // recover output objects
561 fList = static_cast<TObjArray*> (GetOutputData(1));
562 if (!fList) return;
563 fTrackCounters = static_cast<AliCounterCollection*> (GetOutputData(2));
564 fFakeTrackCounters = static_cast<AliCounterCollection*> (GetOutputData(3));
565 fMatchedTrackCounters = static_cast<AliCounterCollection*> (GetOutputData(4));
566 fEventCounters = static_cast<AliCounterCollection*> (GetOutputData(5));
567
568 // add canvas to compare histograms
569 fCanvases = new TObjArray(1000);
570 fCanvases->SetOwner();
571 TCanvas *cFakesSummary1 = new TCanvas("cFakesSummary1","cFakesSummary1",1200,600);
572 fCanvases->AddAtAndExpand(cFakesSummary1, 0);
573 TCanvas *cFakesSummary2 = new TCanvas("cFakesSummary2","cFakesSummary2",1200,600);
574 fCanvases->AddAtAndExpand(cFakesSummary2, 1);
575
576 // display
577 Int_t iHist1[8] = {kNumberOfClusters, kChi2PerDof, kP, kEta, kNumberOfChamberHit, kDCA, kPt, kPhi};
578 cFakesSummary1->Divide(4,2);
579 for (Int_t i=0; i<8; i++) {
580 cFakesSummary1->cd(i+1);
581 cFakesSummary1->GetPad(i+1)->SetLogy();
582 ((TH1F*)fList->UncheckedAt(iHist1[i]))->SetMinimum(0.5);
583 ((TH1F*)fList->UncheckedAt(iHist1[i]))->DrawCopy();
584 ((TH1F*)fList->UncheckedAt(iHist1[i]+1))->SetLineColor(4);
585 ((TH1F*)fList->UncheckedAt(iHist1[i]+1))->DrawCopy("sames");
586 ((TH1F*)fList->UncheckedAt(iHist1[i]+2))->SetLineColor(2);
587 ((TH1F*)fList->UncheckedAt(iHist1[i]+2))->SetFillColor(2);
588 ((TH1F*)fList->UncheckedAt(iHist1[i]+2))->SetFillStyle(3017);
589 ((TH1F*)fList->UncheckedAt(iHist1[i]+2))->DrawCopy("sames");
590 }
591
592 Int_t iHist2[2] = {kChi2PerDofVsNClusters, kChi2PerDofVsNChamberHit};
593 cFakesSummary2->Divide(2);
594 for (Int_t i=0; i<2; i++) {
595 cFakesSummary2->cd(i+1);
596 ((TH2F*)fList->UncheckedAt(iHist2[i]+1))->SetMarkerColor(4);
597 ((TH2F*)fList->UncheckedAt(iHist2[i]+1))->DrawCopy();
598 ((TH2F*)fList->UncheckedAt(iHist2[i]+2))->SetMarkerColor(2);
599 ((TH2F*)fList->UncheckedAt(iHist2[i]+2))->SetMarkerStyle(7);
600 ((TH2F*)fList->UncheckedAt(iHist2[i]+2))->DrawCopy("sames");
601 }
602
603 // print
604 if (fTrackCounters && fFakeTrackCounters && fMatchedTrackCounters && fEventCounters) {
605 printf("\nGlobal statistics of reconstructed tracks matched or not with the trigger:\n");
606 fTrackCounters->Print("track/trig");
607 printf("\nGlobal statistics of pathological tracks matched or not with the trigger:\n");
608 fFakeTrackCounters->Print("track/trig");
609 printf("\nDetailled statistics of tracks matched per label vs position:\n");
610 fMatchedTrackCounters->Print("label/position");
611 printf("\nGlobal statistics of events containing pathological tracks:\n");
612 fEventCounters->Print("event/trig");
613 }
614
615 printf("\nREMINDER: results are relevent provided that you use the same recoParams as for the reconstruction\n");
616}
617
618//________________________________________________________________________
619Int_t AliAnalysisTaskMuonFakes::RemoveConnectedFakes(AliMUONVTrackStore &fakeTrackStore, AliMUONVTrackStore &trackRefStore)
620{
621 /// loop over reconstructible TrackRef not associated with reconstructed track:
622 /// for each of them, find and remove the most connected the fake track, if any,
623 /// and fill the histograms with the fraction of connected clusters.
624 /// Return the number of reconstructible track not connected to any fake
625
626 Int_t nFreeMissingTracks = 0;
627
628 // loop over trackRefs
629 TIter next(trackRefStore.CreateIterator());
630 AliMUONTrack* trackRef;
631 while ( ( trackRef = static_cast<AliMUONTrack*>(next()) ) ) {
632
633 // skip not reconstructible trackRefs
634 if (!trackRef->IsValid(fRequestedStationMask, fRequest2ChInSameSt45)) continue;
635
636 Int_t label = trackRef->GetUniqueID();
637
638 // look for the most connected fake track
639 AliMUONTrack *connectedFake = 0x0;
640 Double_t fractionOfConnectedClusters = 0.;
641 TIter next2(fakeTrackStore.CreateIterator());
642 AliMUONTrack* fakeTrack;
643 while ( ( fakeTrack = static_cast<AliMUONTrack*>(next2()) ) ) {
644
645 // get the number of connected clusters
646 Int_t nConnectedClusters = 0;
647 if (fUseLabel) { // by using the MC label
648 for (Int_t iCl = 0; iCl < fakeTrack->GetNClusters(); iCl++)
649 if (((AliMUONTrackParam*) fakeTrack->GetTrackParamAtCluster()->UncheckedAt(iCl))->GetClusterPtr()->GetMCLabel() == label)
650 nConnectedClusters++;
651 } else { // by comparing cluster/TrackRef positions
652 Bool_t compTrack[10];
653 nConnectedClusters = fakeTrack->FindCompatibleClusters(*trackRef, fSigmaCut, compTrack);
654 }
655
656 // skip non-connected fake tracks
657 if (nConnectedClusters == 0) continue;
658
659 // check if it is the most connected fake track
660 Double_t f = ((Double_t)nConnectedClusters) / ((Double_t)fakeTrack->GetNClusters());
661 if (f > fractionOfConnectedClusters) {
662 connectedFake = fakeTrack;
663 fractionOfConnectedClusters = f;
664 }
665
666 }
667
668 if (connectedFake) {
669
670 // find the corresponding ESD MUON track
671 AliESDEvent* esd = dynamic_cast<AliESDEvent*>(InputEvent());
672 TIter next3(static_cast<TClonesArray*>(esd->FindListObject("MuonTracks")));
673 AliESDMuonTrack* esdTrack = 0x0;
674 while ((esdTrack = static_cast<AliESDMuonTrack*>(next3())) && esdTrack->GetUniqueID() != connectedFake->GetUniqueID()) {}
675 if (!esdTrack) {
676 AliError("unable to find the corresponding ESD track???");
677 continue;
678 }
679
680 // trigger condition
681 TString trig = (esdTrack->ContainTriggerData()) ? "trig:yes" : "trig:no";
682
683 // acceptance condition
684 Double_t thetaTrackAbsEnd = TMath::ATan(esdTrack->GetRAtAbsorberEnd()/505.) * TMath::RadToDeg();
685 Double_t eta = esdTrack->Eta();
686 TString acc = (thetaTrackAbsEnd >= 2. && thetaTrackAbsEnd <= 9. && eta >= -4. && eta <= -2.5) ? "acc:in" : "acc:out";
687
688 // check physics selection
689 TString selected = (fInputHandler && fInputHandler->IsEventSelected()) ? "selected:yes" : "selected:no";
690
691 // fill histogram and counters
692 ((TH1F*)fList->UncheckedAt(kFractionOfConnectedClusters))->Fill(fractionOfConnectedClusters);
693 fTrackCounters->Count(Form("track:connected/run:%d/%s/%s/%s", fCurrentRunNumber, trig.Data(), selected.Data(), acc.Data()));
694 fFakeTrackCounters->Count(Form("track:connected/run:%d/file:%s/event:%d/%s/%s/%s", fCurrentRunNumber, fCurrentFileName.Data(),
695 esd->GetEventNumberInFile(), trig.Data(), selected.Data(), acc.Data()));
696
697 // remove the most connected fake track
698 fakeTrackStore.Remove(*connectedFake);
699
700 } else nFreeMissingTracks++;
701
702 }
703
704 return nFreeMissingTracks;
705
706}
707