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[u/mrichter/AliRoot.git] / MFT / AliMuonForwardTrackFinder.cxx
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820b4d9e 1// ROOT includes
2#include "TObject.h"
3#include "TClonesArray.h"
4#include "TObjArray.h"
5#include "TH2D.h"
6#include "TH1D.h"
7#include "TFile.h"
8#include "TGeoManager.h"
9#include "TMatrixD.h"
10#include "TParticle.h"
11#include "TMath.h"
12#include "TGraph.h"
13#include "TEllipse.h"
14#include "TCanvas.h"
15#include "TString.h"
16#include "TLatex.h"
17#include "TMarker.h"
18#include "TNtuple.h"
19#include "TRandom.h"
20#include "TIterator.h"
21
22// STEER includes
23#include "AliLog.h"
24#include "AliRun.h"
25#include "AliRunLoader.h"
26#include "AliLoader.h"
27#include "AliHeader.h"
28#include "AliMC.h"
29#include "AliStack.h"
30#include "AliMagF.h"
31#include "AliTracker.h"
32#include "AliGRPObject.h"
33#include "AliCDBEntry.h"
34#include "AliCDBManager.h"
35
36// MUON includes
37#include "AliMUONConstants.h"
38#include "AliMUONTrack.h"
39#include "AliMUONRecoCheck.h"
40#include "AliMUONTrackParam.h"
41#include "AliMUONTrackExtrap.h"
42#include "AliMUONVTrackStore.h"
43#include "AliMUONVCluster.h"
44
45// MFT includes
46#include "AliMuonForwardTrack.h"
47#include "AliMFTCluster.h"
48#include "AliMFT.h"
49#include "AliMFTSegmentation.h"
d4643a10 50#include "AliMFTConstants.h"
820b4d9e 51
52#include "AliMuonForwardTrackFinder.h"
53
54//====================================================================================================================================================
55//
56// Class for the creation of the "global muon tracks" built from the clusters in the
57// muon spectrometer and the clusters of the Muon Forward Tracker. QA histograms are also created
58//
59// Contact author: antonio.uras@cern.ch
60//
61//====================================================================================================================================================
62
d4643a10 63const Double_t AliMuonForwardTrackFinder::fRadLengthSi = AliMFTConstants::fRadLengthSi;
64
820b4d9e 65ClassImp(AliMuonForwardTrackFinder)
66
67//=====================================================================================================
68
69AliMuonForwardTrackFinder::AliMuonForwardTrackFinder():
70 TObject(),
71 fRun(0),
72 fNEventsToAnalyze(0),
73 fSigmaClusterCut(0),
74 fChi2GlobalCut(0),
75 fSigmaSpectrometerCut(0),
b03d16a3 76 fVertexErrorX(0.015),
77 fVertexErrorY(0.015),
78 fVertexErrorZ(0.010),
820b4d9e 79 fNFinalCandidatesCut(0),
80 fReadDir(0),
81 fOutDir(0),
82 fDrawOption(0),
83
84 fDistanceFromGoodClusterAndTrackAtLastPlane(-1),
85 fDistanceFromBestClusterAndTrackAtLastPlane(-1),
86
87 fRAbsorberCut(0),
88 fLowPtCut(0),
89 fNPlanesMFT(0),
90 fNPlanesMFTAnalyzed(0),
91 fNMaxMissingMFTClusters(0),
92
93 fEv(0),
94 fLabelMC(0),
95
820b4d9e 96 fHistRadiusEndOfAbsorber(0),
97 fHistNGoodClustersForFinalTracks(0),
98 fHistDistanceGoodClusterFromTrackMinusDistanceBestClusterFromTrackAtLastPlane(0),
99 fHistDistanceGoodClusterFromTrackAtLastPlane(0),
100
d4643a10 101 fNtuFinalCandidates(0),
102 fNtuFinalBestCandidates(0),
820b4d9e 103
104 fCanvas(0),
105
106 fTxtMuonHistory(0),
107 fTxtTrackGoodClusters(0),
d4643a10 108 fTxtTrackFinalChi2(0),
109 fTxtTrackMomentum(0),
820b4d9e 110 fTxtFinalCandidates(0),
111 fTxtDummy(0),
112 fTxtAllClust(0),
113 fTxtClustGoodChi2(0),
114 fTxtClustMC(0),
115 fTxtClustOfTrack(0),
116 fMrkAllClust(0),
117 fMrkClustGoodChi2(0),
118 fMrkClustMC(0),
119 fMrkClustOfTrack(0),
120
d4643a10 121 fCountRealTracksAnalyzed(0),
122 fMaxNTracksToBeAnalyzed(99999999),
820b4d9e 123 fCountRealTracksWithRefMC(0),
124 fCountRealTracksWithRefMC_andTrigger(0),
125 fCountRealTracksWithRefMC_andTrigger_andGoodPt(0),
126 fCountRealTracksWithRefMC_andTrigger_andGoodPt_andGoodTheta(0),
127 fCountRealTracksAnalyzedOfEvent(0),
128 fCountRealTracksAnalyzedWithFinalCandidates(0),
129
130 fFileCluster(0),
131 fFileESD(0),
132 fFile_gAlice(0),
133
134 fRunLoader(0),
135 fMFTLoader(0),
136 fMuonRecoCheck(0),
137 fMFTClusterTree(0),
138 fMuonTrackReco(0),
139 fCurrentTrack(0),
d4643a10 140 fFinalBestCandidate(0),
820b4d9e 141 fIsCurrentMuonTrackable(0),
142 fCandidateTracks(0),
143 fTrackStore(0),
144 fTrackRefStore(0),
145 fNextTrack(0),
146 fStack(0),
147 fMFT(0),
148 fSegmentation(0),
149 fOutputTreeFile(0),
d4643a10 150 fOutputQAFile(0),
820b4d9e 151 fOutputEventTree(0),
152 fMuonForwardTracks(0),
153 fMatchingMode(-1),
154 fMinResearchRadiusAtLastPlane(0),
155 fGRPData(0),
156 fRunInfo(0)
157
158{
159
160 // Default constructor
161
d4643a10 162 for (Int_t iPlane=0; iPlane<AliMFTConstants::fNMaxPlanes; iPlane++) {
820b4d9e 163
164 fHistNTracksAfterExtrapolation[iPlane] = 0;
165 fHistChi2Cluster_GoodCluster[iPlane] = 0;
166 fHistChi2Cluster_BadCluster[iPlane] = 0;
167 fHistResearchRadius[iPlane] = 0;
168
169 fIsGoodClusterInPlane[iPlane] = kFALSE;
170
171 fHistChi2Cluster_GoodCluster[iPlane] = 0;
172 fHistChi2Cluster_BadCluster[iPlane] = 0;
173
d4643a10 174 fHistGlobalChi2AtPlaneFor_GOOD_CandidatesOfTrackableMuons[iPlane] = 0;
175 fHistGlobalChi2AtPlaneFor_BAD_CandidatesOfTrackableMuons[iPlane] = 0;
820b4d9e 176
177 fZPlane[iPlane] = 0.;
178 fRPlaneMax[iPlane] = 0.;
179 fRPlaneMin[iPlane] = 0.;
180
d4643a10 181 for (Int_t i=0; i<4; i++) fGrMFTPlane[i][iPlane] = 0;
820b4d9e 182 fCircleExt[iPlane] = 0;
183 fCircleInt[iPlane] = 0;
184
185 fTxtTrackChi2[iPlane] = 0;
186
187 fIsClusterCompatible[iPlane] = 0;
188
189 fMFTClusterArray[iPlane] = 0;
190 fMFTClusterArrayFront[iPlane] = new TClonesArray("AliMFTCluster");
191 fMFTClusterArrayBack[iPlane] = new TClonesArray("AliMFTCluster");
192
193 fIsPlaneMandatory[iPlane] = kFALSE;
194
195 }
196
197 // fNextTrack = 0;
198
199 fHistDistanceGoodClusterFromTrackMinusDistanceBestClusterFromTrackAtLastPlane = 0;
200 fHistDistanceGoodClusterFromTrackAtLastPlane = 0;
201
202 fMFTClusterTree = 0;
203 fCandidateTracks = 0;
204
d4643a10 205 fOutputTreeFile = new TFile("MuonGlobalTracks.root", "recreate");
820b4d9e 206 fOutputEventTree = new TTree("AliMuonForwardTracks", "Tree of AliMuonForwardTracks");
207 fMuonForwardTracks = new TClonesArray("AliMuonForwardTrack");
208 fOutputEventTree -> Branch("tracks", &fMuonForwardTracks);
209
210}
211
212//=====================================================================================================
213
d4643a10 214AliMuonForwardTrackFinder::~AliMuonForwardTrackFinder() {
215
216 for (Int_t iPlane=0; iPlane<AliMFTConstants::fNMaxPlanes; iPlane++) {
217
218 delete fHistNTracksAfterExtrapolation[iPlane];
219 delete fHistChi2Cluster_GoodCluster[iPlane];
220 delete fHistChi2Cluster_BadCluster[iPlane];
221 delete fHistResearchRadius[iPlane];
222
223 delete fHistChi2Cluster_GoodCluster[iPlane];
224 delete fHistChi2Cluster_BadCluster[iPlane];
225
226 delete fHistGlobalChi2AtPlaneFor_GOOD_CandidatesOfTrackableMuons[iPlane];
227 delete fHistGlobalChi2AtPlaneFor_BAD_CandidatesOfTrackableMuons[iPlane];
228
229 for (Int_t i=0; i<4; i++) delete fGrMFTPlane[i][iPlane];
230 delete fCircleExt[iPlane];
231 delete fCircleInt[iPlane];
232
233 delete fTxtTrackChi2[iPlane];
234
235 delete fMFTClusterArray[iPlane];
236 delete fMFTClusterArrayFront[iPlane];
237 delete fMFTClusterArrayBack[iPlane];
238
239 }
240
241 delete fNtuFinalCandidates;
242 delete fNtuFinalBestCandidates;
243
d4643a10 244 delete fHistRadiusEndOfAbsorber;
245
246 delete fHistNGoodClustersForFinalTracks;
247 delete fHistDistanceGoodClusterFromTrackMinusDistanceBestClusterFromTrackAtLastPlane; //
248 delete fHistDistanceGoodClusterFromTrackAtLastPlane; //
249
250 delete fCanvas;
251
252 delete fTxtMuonHistory;
253 delete fTxtTrackGoodClusters;
254 delete fTxtTrackFinalChi2;
255 delete fTxtTrackMomentum;
256 delete fTxtFinalCandidates;
257 delete fTxtDummy;
258 delete fTxtAllClust;
259 delete fTxtClustGoodChi2;
260 delete fTxtClustMC;
261 delete fTxtClustOfTrack;
262 delete fMrkAllClust;
263 delete fMrkClustGoodChi2;
264 delete fMrkClustMC;
265 delete fMrkClustOfTrack;
266
267 delete fFileCluster;
268 delete fFileESD;
269 delete fFile_gAlice;
270
271 delete fRunLoader;
272 delete fMFTLoader;
273 delete fMuonRecoCheck;
274
275 delete fMFTClusterTree;
276
277 delete fMuonTrackReco;
278 delete fCurrentTrack;
279 delete fFinalBestCandidate;
280
281 delete fCandidateTracks;
282
283 delete fTrackStore;
284 delete fTrackRefStore;
285
286 delete fNextTrack;
287
288 delete fStack;
289
290 delete fMFT;
291 delete fSegmentation;
292
293 delete fOutputTreeFile;
294 delete fOutputQAFile;
295 delete fOutputEventTree;
296
297 delete fMuonForwardTracks;
298
299 delete fGRPData;
300 delete fRunInfo;
301
302}
303
304//=====================================================================================================
305
820b4d9e 306void AliMuonForwardTrackFinder::Init(Int_t nRun,
307 Char_t *readDir,
308 Char_t *outDir,
309 Int_t nEventsToAnalyze) {
310
311 if (fRunLoader) {
d4643a10 312 AliInfo("WARNING: run already initialized!!\n");
820b4d9e 313 }
314
315 SetRun(nRun);
316 SetReadDir(readDir);
317 SetOutDir(outDir);
318
d4643a10 319 AliInfo(Form("input dir = %s\n", fReadDir.Data()));
320 AliInfo(Form("output dir = %s\n", fOutDir.Data()));
820b4d9e 321
322 // -------------------------- initializing files...
323
d4643a10 324 AliInfo(Form("initializing files for run %d...\n", fRun));
820b4d9e 325
326 Char_t geoFileName[300];
327 Char_t esdFileName[300];
328 Char_t gAliceName[300];
329 Char_t clusterName[300];
330
331 sprintf(geoFileName , "%s/geometry.root", fReadDir.Data());
332 sprintf(esdFileName , "%s/AliESDs.root" , fReadDir.Data());
333 sprintf(gAliceName , "%s/galice.root" , fReadDir.Data());
334 sprintf(clusterName , "%s/MFT.RecPoints.root", fReadDir.Data());
335
336 // Import TGeo geometry (needed by AliMUONTrackExtrap::ExtrapToVertex)
337 if (!gGeoManager) {
338 TGeoManager::Import(geoFileName);
339 if (!gGeoManager) {
d4643a10 340 AliError(Form("getting geometry from file %s failed", geoFileName));
820b4d9e 341 return;
342 }
343 }
344
345 fFileESD = new TFile(esdFileName);
346 if (!fFileESD || !fFileESD->IsOpen()) return;
d4643a10 347 else AliInfo(Form("file %s successfully opened\n", fFileESD->GetName()));
820b4d9e 348
349 fMuonRecoCheck = new AliMUONRecoCheck(esdFileName, Form("%s/generated/", fReadDir.Data())); // Utility class to check reconstruction
350 fFile_gAlice = new TFile(gAliceName);
351 if (!fFile_gAlice || !fFile_gAlice->IsOpen()) return;
d4643a10 352 else AliInfo(Form("file %s successfully opened\n", fFile_gAlice->GetName()));
820b4d9e 353
354 fRunLoader = AliRunLoader::Open(gAliceName);
355 gAlice = fRunLoader->GetAliRun();
356 if (!gAlice) fRunLoader->LoadgAlice();
357 fMFT = (AliMFT*) gAlice->GetDetector("MFT");
358 fSegmentation = fMFT->GetSegmentation();
359 SetNPlanesMFT(fSegmentation->GetNPlanes());
360
361 if (!SetRunNumber()) return;
362 if (!InitGRP()) return;
363 AliMUONTrackExtrap::SetField(); // set the magnetic field for track extrapolations
364
365 for (Int_t iPlane=0; iPlane<fNPlanesMFT; iPlane++) {
366 fZPlane[iPlane] = fSegmentation->GetPlane(iPlane)->GetZCenter();
367 fRPlaneMax[iPlane] = fSegmentation->GetPlane(iPlane)->GetRMaxSupport();
368 fRPlaneMin[iPlane] = fSegmentation->GetPlane(iPlane)->GetRMinSupport();
369 }
370
371 // Loading MFT clusters
372 fMFTLoader = fRunLoader->GetDetectorLoader("MFT");
373 fMFTLoader->LoadRecPoints("READ");
374
375 fMFTClusterTree = fMFTLoader->TreeR();
376
820b4d9e 377 Int_t nEventsInFile = fMuonRecoCheck->NumberOfEvents();
378 if (!nEventsInFile) {
d4643a10 379 AliError("no events available!!!\n");
820b4d9e 380 return;
381 }
382 if (nEventsInFile<nEventsToAnalyze || nEventsToAnalyze<0) fNEventsToAnalyze = nEventsInFile;
383 else fNEventsToAnalyze = nEventsToAnalyze;
384
d4643a10 385 fCandidateTracks = new TClonesArray("AliMuonForwardTrack",50000);
820b4d9e 386
387 // -------------------------- initializing histograms...
388
d4643a10 389 AliInfo("\ninitializing histograms...\n");
820b4d9e 390 BookHistos();
391 SetTitleHistos();
d4643a10 392 AliInfo("... done!\n\n");
820b4d9e 393
394 // -------------------------- initializing graphics...
395
d4643a10 396 AliInfo("initializing graphics...\n");
820b4d9e 397 BookPlanes();
d4643a10 398 AliInfo("... done!\n\n");
820b4d9e 399
400 SetSigmaSpectrometerCut(4.0);
401 SetSigmaClusterCut(4.5);
402 SetChi2GlobalCut(2.0);
403 SetNFinalCandidatesCut(10);
404 SetRAbsorberCut(26.4);
405 SetLowPtCut(0.5);
820b4d9e 406
407}
408
409//======================================================================================================================================
410
411Bool_t AliMuonForwardTrackFinder::LoadNextEvent() {
412
413 // load next reconstructed event from the tree
414
415 if (fEv) FillOutputTree();
416
417 if (fEv>=fNEventsToAnalyze) return kFALSE;
418
419 fCountRealTracksAnalyzedOfEvent = 0;
420
d4643a10 421 AliInfo(Form(" **** analyzing event # %d \n", fEv));
820b4d9e 422
423 fTrackStore = fMuonRecoCheck->ReconstructedTracks(fEv);
424 fTrackRefStore = fMuonRecoCheck->ReconstructibleTracks(fEv);
425
426 fRunLoader->GetEvent(fEv);
427 if (!fMFTLoader->TreeR()->GetEvent()) return kFALSE;
428 for (Int_t iPlane=0; iPlane<fNPlanesMFT; iPlane++) {
d4643a10 429 AliDebug(1, Form("plane %02d: nClusters = %d\n", iPlane, (fMFT->GetRecPointsList(iPlane))->GetEntries()));
820b4d9e 430 fMFTClusterArray[iPlane] = fMFT->GetRecPointsList(iPlane);
431 }
432 SeparateFrontBackClusters();
433
434 fRunLoader -> LoadKinematics();
435 fStack = fRunLoader->Stack();
436 fNextTrack = fTrackStore->CreateIterator();
437 fMuonForwardTracks->Clear();
438
439 fEv++;
440
441 return kTRUE;
442
443}
444
445//======================================================================================================================================
446
447Int_t AliMuonForwardTrackFinder::LoadNextTrack() {
448
449 fNPlanesMFTAnalyzed = 0;
450
451 // load next muon track from the reconstructed event
452
d4643a10 453 if (fCountRealTracksAnalyzed>fMaxNTracksToBeAnalyzed) return kFALSE;
454
820b4d9e 455 if (!fCountRealTracksAnalyzed) if (!LoadNextEvent()) return kFALSE;
d4643a10 456 if (fCountRealTracksAnalyzed==fMaxNTracksToBeAnalyzed) {
457 fCountRealTracksAnalyzed++;
458 if (!LoadNextEvent()) return kFALSE;
459 }
820b4d9e 460
461 while ( !(fMuonTrackReco = static_cast<AliMUONTrack*>(fNextTrack->Next())) ) if (!LoadNextEvent()) return kFALSE;
462
d4643a10 463 AliDebug(1, "**************************************************************************************\n");
464 AliDebug(1, Form("*************************** MUON TRACK %3d ***************************************\n", fCountRealTracksAnalyzedOfEvent));
465 AliDebug(1, "**************************************************************************************\n");
820b4d9e 466
467 fCountRealTracksAnalyzed++;
468
469 fCandidateTracks -> Clear();
470
471 fLabelMC = -1;
472 fDistanceFromGoodClusterAndTrackAtLastPlane = -1.;
473 fDistanceFromBestClusterAndTrackAtLastPlane = -1.;
474 ResetPlanes();
475
476 TIter nextTrackRef(fTrackRefStore->CreateIterator());
477 AliMUONTrack *trackRef=0;
478
479 // --------------------------------------- loop on MC generated tracks to find the MC reference...
480
481 while ( (trackRef = static_cast<AliMUONTrack*>(nextTrackRef())) ) {
482 // number of compatible clusters between trackReco and trackRef
483 Int_t nMatchCluster = fMuonTrackReco->FindCompatibleClusters(*trackRef, fSigmaSpectrometerCut, fIsClusterCompatible);
484 if ( (fIsClusterCompatible[0] || fIsClusterCompatible[1] || fIsClusterCompatible[2] || fIsClusterCompatible[3]) && // before the dipole
485 (fIsClusterCompatible[6] || fIsClusterCompatible[7] || fIsClusterCompatible[8] || fIsClusterCompatible[9]) && // after the dipole
486 2*nMatchCluster>fMuonTrackReco->GetNClusters() ) {
487 fMuonTrackReco->SetMCLabel(trackRef->GetUniqueID()); // MC reference has been found for trackReco!
488 break;
489 }
490 }
491
492 // ------------------------------------- ...done!
493
820b4d9e 494 fLabelMC = fMuonTrackReco->GetMCLabel();
495
6e8e4c4a 496 Int_t motherPdg=0;
497 if (fLabelMC>=0) {
498 fCountRealTracksWithRefMC++;
499 if (fStack->Particle(fLabelMC)->GetFirstMother() != -1) {
500 motherPdg = fStack->Particle(fStack->Particle(fLabelMC)->GetFirstMother())->GetPdgCode();
501 }
502 }
503
820b4d9e 504 CheckCurrentMuonTrackable();
505
820b4d9e 506 if (fMuonTrackReco->GetMatchTrigger()) fCountRealTracksWithRefMC_andTrigger++;
507
508 // the track we are going to build, starting from fMuonTrackReco and adding the MFT clusters
509 AliMuonForwardTrack *track = new ((*fCandidateTracks)[0]) AliMuonForwardTrack();
510 track -> SetMUONTrack(fMuonTrackReco);
b03d16a3 511 if (fLabelMC>=0 && fStack->Particle(fLabelMC)) track->SetMCTrackRef(fStack->Particle(fLabelMC));
820b4d9e 512 track -> SetMCLabel(fMuonTrackReco->GetMCLabel());
513 track -> SetMatchTrigger(fMuonTrackReco->GetMatchTrigger());
b03d16a3 514
515 // track origin
516 Double_t xVtx=-999., yVtx=-999., zVtx=-999999.;
517 if (track->GetMCTrackRef()) {
518 xVtx = track->GetMCTrackRef()->Vx();
519 yVtx = track->GetMCTrackRef()->Vy();
520 zVtx = track->GetMCTrackRef()->Vz();
521 }
522
523 // track kinematics
524 Double_t pt=-999., theta=-999., eta=-999.;
525 if (track->GetMCTrackRef()) {
526 pt = track->GetMCTrackRef()->Pt();
527 theta = track->GetMCTrackRef()->Theta();
528 if (theta<0.) theta += TMath::Pi();
529 eta = track->GetMCTrackRef()->Eta();
530 }
531 else {
532 AliMUONTrackParam *param = (AliMUONTrackParam*) (fMuonTrackReco->GetTrackParamAtCluster()->First());
533 pt = TMath::Sqrt(param->Px()*param->Px() + param->Py()*param->Py());
534 theta = TMath::ATan(pt/param->Pz());
535 if (theta<0.) theta += TMath::Pi();
536 eta = -1.*TMath::Log(TMath::Tan(0.5*theta));
537 }
538 // if the transverse momentum is smaller than the threshold, skip to the next track
539 if (pt < fLowPtCut) return 3;
820b4d9e 540
541 // track parameters linearly extrapolated from the first tracking station to the end of the absorber
542 AliMUONTrackParam trackParamEndOfAbsorber(*((AliMUONTrackParam*)(fMuonTrackReco->GetTrackParamAtCluster()->First())));
543 AliMUONTrackExtrap::ExtrapToZCov(&trackParamEndOfAbsorber, -503.); // absorber extends from -90 to -503 cm
544 Double_t xEndOfAbsorber = trackParamEndOfAbsorber.GetNonBendingCoor();
545 Double_t yEndOfAbsorber = trackParamEndOfAbsorber.GetBendingCoor();
546 Double_t rAbsorber = TMath::Sqrt(xEndOfAbsorber*xEndOfAbsorber + yEndOfAbsorber*yEndOfAbsorber);
547 fHistRadiusEndOfAbsorber -> Fill(rAbsorber);
548
b03d16a3 549 // if the radial distance of the track at the end of the absorber is smaller than a given radius, skip to the next track
820b4d9e 550 if (rAbsorber < fRAbsorberCut) return 4;
551
552 //------------------------- NOW THE CYCLE OVER THE MFT PLANES STARTS ---------------------------------------
553
554 for (Int_t iPlane=fNPlanesMFT-1; iPlane>=0; iPlane--) { // *** do not reverse the order of this cycle!!!
555 // *** this reflects the fact that the extrapolation is performed
556 // *** starting from the last MFT plane back to the origin
557
558 // --------- updating the array of tracks according to the clusters available in the i-th plane ---------
559
560 fNPlanesMFTAnalyzed++;
561
562 if (fMatchingMode==kRealMatching) {
563 Int_t nTracksToBeAnalyzed = fCandidateTracks->GetEntriesFast();
564 for (Int_t iTrack=0; iTrack<nTracksToBeAnalyzed; iTrack++) {
565 fCurrentTrack = (AliMuonForwardTrack*) fCandidateTracks->UncheckedAt(iTrack);
566 // if the old track is compatible with the new cluster, the track is updated and inserted as new track in the array
567 // (several new tracks can be created for one old track)
568 FindClusterInPlane(iPlane);
569 if ((fNPlanesMFTAnalyzed-fCurrentTrack->GetNMFTClusters())>fNMaxMissingMFTClusters || fIsPlaneMandatory[iPlane]) {
570 fCandidateTracks->Remove(fCurrentTrack); // the old track is removed after the check;
571 }
572 }
573 fCandidateTracks->Compress();
d4643a10 574 if (fIsCurrentMuonTrackable) {
575 // fOutputQAFile->cd();
576 fHistNTracksAfterExtrapolation[iPlane] -> Fill(fCandidateTracks->GetEntriesFast());
577 }
820b4d9e 578 }
579
d4643a10 580 else if (fMatchingMode==kIdealMatching && fIsCurrentMuonTrackable) {
820b4d9e 581 fCurrentTrack = (AliMuonForwardTrack*) fCandidateTracks->UncheckedAt(0);
d4643a10 582 AliDebug(2, Form("plane %02d: fCandidateTracks->GetEntriesFast() = %d fCandidateTracks->UncheckedAt(0) = %p fCurrentTrack = %p\n",
583 iPlane, fCandidateTracks->GetEntriesFast(), fCandidateTracks->UncheckedAt(0), fCurrentTrack));
820b4d9e 584 AttachGoodClusterInPlane(iPlane);
585 }
586
587 }
588
589 // -------------------------- END OF THE CYCLE OVER THE MFT PLANES --------------------------------------------
590
d4643a10 591 AliDebug(1, "Finished cycle over planes");
592
b03d16a3 593 Double_t momentum = pt * TMath::CosH(eta);
d4643a10 594 fTxtTrackMomentum = new TLatex(0.10, 0.70, Form("P_{spectro} = %3.1f GeV/c", momentum));
595
820b4d9e 596 if (fMatchingMode==kIdealMatching) {
d4643a10 597 AliDebug(1, "Adding track to output tree...\n");
598 fFinalBestCandidate = (AliMuonForwardTrack*) fCandidateTracks->UncheckedAt(0);
820b4d9e 599 AliMuonForwardTrack *newTrack = (AliMuonForwardTrack*) fCandidateTracks->UncheckedAt(0);
d4643a10 600 new ((*fMuonForwardTracks)[fMuonForwardTracks->GetEntries()]) AliMuonForwardTrack(*newTrack);
601 AliDebug(1, "...track added!\n");
820b4d9e 602 fCandidateTracks->Clear();
603 fCountRealTracksAnalyzedOfEvent++;
d4643a10 604 fCountRealTracksAnalyzedWithFinalCandidates++;
605 PrintParticleHistory();
606 FillPlanesWithTrackHistory();
607
608 Double_t chi2AtPlane[fNMaxPlanes] = {0};
609 Int_t nGoodClusters = 0;
610 Int_t nMFTClusters = fFinalBestCandidate->GetNMFTClusters();
611// Int_t nMUONClusters = fFinalBestCandidate->GetNMUONClusters();
612 Int_t plane = 0;
613 for (Int_t iCluster=0; iCluster<nMFTClusters; iCluster++) {
614 while (!fFinalBestCandidate->PlaneExists(plane)) plane++;
615 AliMFTCluster *localCluster = fFinalBestCandidate->GetMFTCluster(iCluster);
616 chi2AtPlane[plane] = localCluster->GetLocalChi2();
617 if (IsCorrectMatch(localCluster)) nGoodClusters++;
618// Int_t nClustersGlobalTrack = nMUONClusters + (nMFTClusters-iCluster); // Muon Spectrometer clusters + clusters in the Vertex Telescope
619// Int_t ndfGlobalTrack = GetNDF(nClustersGlobalTrack);
620// chi2AtPlane[plane] /= Double_t(ndfGlobalTrack);
621 plane++;
622 }
623 for (Int_t iPlane=0; iPlane<fNPlanesMFT; iPlane++) {
624 fTxtTrackChi2[iPlane] = new TLatex(0.55*fRPlaneMax[fNPlanesMFT-1],
625 0.90*fRPlaneMax[fNPlanesMFT-1],
626 Form("#chi^{2} = %3.1f", chi2AtPlane[iPlane]));
627 }
628 fTxtTrackFinalChi2 = new TLatex(0.20, 0.44, Form("#chi^{2}_{final} = %3.1f", chi2AtPlane[0]));
629
630 if (fDrawOption) DrawPlanes();
820b4d9e 631 return 5;
632 }
d4643a10 633
820b4d9e 634 // If we have several final tracks, we must find the best candidate:
635
636 Int_t nFinalTracks = fCandidateTracks->GetEntriesFast();
d4643a10 637 AliDebug(1, Form("nFinalTracks = %d", nFinalTracks));
820b4d9e 638
639 if (nFinalTracks) fCountRealTracksAnalyzedWithFinalCandidates++;
640
641 Double_t theVariable_Best = -1.; // variable defining the best candidate
642 Bool_t bestCandidateExists = kFALSE;
643 Int_t nGoodClustersBestCandidate = 0;
644 Int_t idBestCandidate = 0;
d4643a10 645 Double_t chi2HistoryForBestCandidate[fNMaxPlanes] = {0}; // chi2 on each plane, for the best candidate
646 Double_t nClustersPerPlane[fNMaxPlanes] = {0};
647 for (Int_t iPlane=0; iPlane<fNPlanesMFT; iPlane++) {
648 chi2HistoryForBestCandidate[iPlane] = -1.;
649 nClustersPerPlane[iPlane] = fMFTClusterArray[iPlane] -> GetEntries();
650 }
820b4d9e 651
652 fTxtFinalCandidates = new TLatex(0.10, 0.78, Form("N_{FinalCandidates} = %d", nFinalTracks));
653
654 Int_t nClustersMC = 0;
655 for (Int_t iPlane=0; iPlane<fNPlanesMFT; iPlane++) nClustersMC += fIsGoodClusterInPlane[iPlane];
656
657 for (Int_t iTrack=0; iTrack<nFinalTracks; iTrack++) {
658
659 AliMuonForwardTrack *finalTrack = (AliMuonForwardTrack*) fCandidateTracks->UncheckedAt(iTrack);
660
d4643a10 661 Double_t chi2AtPlane[fNMaxPlanes] = {0};
820b4d9e 662 Int_t nGoodClusters = 0;
663 Int_t nMFTClusters = finalTrack->GetNMFTClusters();
d4643a10 664// Int_t nMUONClusters = finalTrack->GetNMUONClusters();
820b4d9e 665
666 Int_t plane = 0;
667 for (Int_t iCluster=0; iCluster<nMFTClusters; iCluster++) {
668 while (!finalTrack->PlaneExists(plane)) plane++;
669 AliMFTCluster *localCluster = finalTrack->GetMFTCluster(iCluster);
d4643a10 670 chi2AtPlane[plane] = localCluster->GetLocalChi2();
820b4d9e 671 if (IsCorrectMatch(localCluster)) nGoodClusters++;
d4643a10 672// Int_t nClustersGlobalTrack = nMUONClusters + (nMFTClusters-iCluster); // Muon Spectrometer clusters + clusters in the Vertex Telescope
673// Int_t ndfGlobalTrack = GetNDF(nClustersGlobalTrack);
674// chi2AtPlane[plane] /= Double_t(ndfGlobalTrack);
675 plane++;
820b4d9e 676 }
677
d4643a10 678 if (fIsCurrentMuonTrackable) {
679 // fOutputQAFile->cd();
680 fHistNGoodClustersForFinalTracks -> Fill(nGoodClusters);
681 }
682
683 // fOutputQAFile->cd();
684
685 Float_t finalCandidatesInfo[] = {Double_t(fRun),
686 Double_t(fEv),
687 Double_t(fCountRealTracksAnalyzedOfEvent),
688 Double_t(nFinalTracks),
b03d16a3 689 Double_t(fLabelMC>=0),
690 xVtx, yVtx, zVtx,
6e8e4c4a 691 motherPdg,
b03d16a3 692 Double_t(fMuonTrackReco->GetMatchTrigger()),
d4643a10 693 Double_t(nClustersMC),
694 Double_t(nGoodClusters),
b03d16a3 695 pt, theta, eta,
d4643a10 696 chi2AtPlane[0],
697 chi2AtPlane[1],
698 chi2AtPlane[2],
699 chi2AtPlane[3],
700 chi2AtPlane[4],
701 chi2AtPlane[5],
702 chi2AtPlane[6],
703 chi2AtPlane[7],
704 chi2AtPlane[8]};
820b4d9e 705
d4643a10 706 fNtuFinalCandidates -> Fill(finalCandidatesInfo);
707
820b4d9e 708 // now comparing the tracks with various criteria, in order to find the best one
709
710 Double_t theVariable = 0.;
d4643a10 711// theVariable = chi2AtPlane[0];
820b4d9e 712 for (Int_t iCluster=0; iCluster<nMFTClusters; iCluster++) theVariable += chi2AtPlane[iCluster];
713 theVariable /= Double_t(nMFTClusters);
d4643a10 714
820b4d9e 715
716 if (theVariable<theVariable_Best || theVariable_Best<0.) {
717 nGoodClustersBestCandidate = nGoodClusters;
718 for (Int_t iPlane=0; iPlane<fNPlanesMFT; iPlane++) chi2HistoryForBestCandidate[iPlane] = chi2AtPlane[iPlane];
719 theVariable_Best = theVariable;
d4643a10 720 fTxtTrackFinalChi2 = new TLatex(0.20, 0.44, Form("#chi^{2}_{final} = %3.1f", chi2HistoryForBestCandidate[0]));
820b4d9e 721 for (Int_t iPlane=0; iPlane<fNPlanesMFT; iPlane++) {
722 fTxtTrackChi2[iPlane] = new TLatex(0.55*fRPlaneMax[fNPlanesMFT-1],
723 0.90*fRPlaneMax[fNPlanesMFT-1],
724 Form("#chi^{2} = %3.1f", chi2AtPlane[iPlane]));
725 }
726 idBestCandidate = iTrack;
727 bestCandidateExists=kTRUE;
728 }
729
730 // ----------------------------------------------------------
731
732 }
d4643a10 733
820b4d9e 734 if (nFinalTracks) {
d4643a10 735 fFinalBestCandidate = (AliMuonForwardTrack*) fCandidateTracks->UncheckedAt(idBestCandidate);
736 AliInfo(Form("fFinalBestCandidate->GetNMFTClusters() = %d\n", fFinalBestCandidate->GetNMFTClusters()));
737 PrintParticleHistory();
738 FillPlanesWithTrackHistory();
820b4d9e 739 AliMuonForwardTrack *newTrack = (AliMuonForwardTrack*) fCandidateTracks->UncheckedAt(idBestCandidate);
d4643a10 740 newTrack -> SetNWrongClustersMC(newTrack->GetNMFTClusters() - nGoodClustersBestCandidate);
741 new ((*fMuonForwardTracks)[fMuonForwardTracks->GetEntries()]) AliMuonForwardTrack(*newTrack);
7230691d 742 }
d4643a10 743
744 // fOutputQAFile->cd();
745
746 Float_t finalBestCandidatesInfo[] = {Double_t(fRun),
747 Double_t(fEv),
748 Double_t(fCountRealTracksAnalyzedOfEvent),
749 Double_t(nFinalTracks),
b03d16a3 750 Double_t(fLabelMC>=0),
751 xVtx, yVtx, zVtx,
6e8e4c4a 752 motherPdg,
b03d16a3 753 Double_t(fMuonTrackReco->GetMatchTrigger()),
d4643a10 754 Double_t(nClustersMC),
755 Double_t(nGoodClustersBestCandidate),
b03d16a3 756 pt, theta, eta,
d4643a10 757 chi2HistoryForBestCandidate[0],
758 chi2HistoryForBestCandidate[1],
759 chi2HistoryForBestCandidate[2],
760 chi2HistoryForBestCandidate[3],
761 chi2HistoryForBestCandidate[4],
762 chi2HistoryForBestCandidate[5],
763 chi2HistoryForBestCandidate[6],
764 chi2HistoryForBestCandidate[7],
765 chi2HistoryForBestCandidate[8],
766 nClustersPerPlane[0],
767 nClustersPerPlane[1],
768 nClustersPerPlane[2],
769 nClustersPerPlane[3],
770 nClustersPerPlane[4],
771 nClustersPerPlane[5],
772 nClustersPerPlane[6],
773 nClustersPerPlane[7],
774 nClustersPerPlane[8]};
775
776 fNtuFinalBestCandidates -> Fill(finalBestCandidatesInfo);
820b4d9e 777
778 if (fDrawOption && bestCandidateExists) {
d4643a10 779 fTxtTrackGoodClusters = new TLatex(0.20, 0.51, Form("N_{GoodClusters} = %d", nGoodClustersBestCandidate));
820b4d9e 780 DrawPlanes();
781 }
782
820b4d9e 783 // -------------------------------------------------------------------------------------------
784
785 fCandidateTracks->Clear();
d4643a10 786 fFinalBestCandidate = NULL;
820b4d9e 787
788 fCountRealTracksAnalyzedOfEvent++;
789
790 return 5;
791
792}
793
794//===========================================================================================================================================
795
796void AliMuonForwardTrackFinder::FindClusterInPlane(Int_t planeId) {
797
d4643a10 798 AliDebug(2, Form(">>>> executing AliMuonForwardTrackFinder::FindClusterInPlane(%d)\n", planeId));
820b4d9e 799
800 // !!!!!!!!! coordinates and errors on the interaction vertex should be taken from the event itself (ITS) if available
801
802 // propagate track to plane #planeId (both to front and back active sensors)
803 // look for compatible clusters
804 // update TrackParam at found cluster (if any) using Kalman Filter
805
806 AliMUONTrackParam currentParamFront, currentParamBack, currentParamForResearchFront, currentParamForResearchBack;
807
808 if (planeId == fNPlanesMFT-1) { // last plane of the telecope
809 currentParamFront = (*((AliMUONTrackParam*)(fMuonTrackReco->GetTrackParamAtCluster()->First())));
810 currentParamBack = (*((AliMUONTrackParam*)(fMuonTrackReco->GetTrackParamAtCluster()->First())));
811 currentParamForResearchFront = currentParamFront;
812 currentParamForResearchBack = currentParamBack;
b03d16a3 813 Double_t xExtrap = gRandom->Gaus(0,fVertexErrorX);
814 Double_t yExtrap = gRandom->Gaus(0,fVertexErrorY);
815 Double_t zExtrap = gRandom->Gaus(0,fVertexErrorZ);
816 AliMUONTrackExtrap::ExtrapToVertex(&currentParamFront, xExtrap, yExtrap, zExtrap, fVertexErrorX, fVertexErrorY);
817 AliMUONTrackExtrap::ExtrapToVertex(&currentParamBack, xExtrap, yExtrap, zExtrap, fVertexErrorX, fVertexErrorY);
818 AliMUONTrackExtrap::ExtrapToVertex(&currentParamForResearchFront, xExtrap, yExtrap, zExtrap, fVertexErrorX, fVertexErrorY);
819 AliMUONTrackExtrap::ExtrapToVertex(&currentParamForResearchBack, xExtrap, yExtrap, zExtrap, fVertexErrorX, fVertexErrorY);
820b4d9e 820 }
821 else { // MFT planes others than the last one: mult. scattering correction because of the upstream MFT planes is performed
822 currentParamFront = (*((AliMUONTrackParam*)(fCurrentTrack->GetTrackParamAtCluster()->First())));
823 currentParamBack = (*((AliMUONTrackParam*)(fCurrentTrack->GetTrackParamAtCluster()->First())));
824 currentParamForResearchFront = currentParamFront;
825 currentParamForResearchBack = currentParamBack;
826 AliMUONTrackExtrap::AddMCSEffect(&currentParamFront, (fSegmentation->GetPlane(planeId+1)->GetEquivalentSilicon()+
d4643a10 827 fSegmentation->GetPlane(planeId)->GetEquivalentSiliconBeforeFront())/fRadLengthSi,-1.);
820b4d9e 828 AliMUONTrackExtrap::AddMCSEffect(&currentParamForResearchFront,(fSegmentation->GetPlane(planeId+1)->GetEquivalentSilicon()+
d4643a10 829 fSegmentation->GetPlane(planeId)->GetEquivalentSiliconBeforeFront())/fRadLengthSi,-1.);
820b4d9e 830 AliMUONTrackExtrap::AddMCSEffect(&currentParamBack, (fSegmentation->GetPlane(planeId+1)->GetEquivalentSilicon()+
d4643a10 831 fSegmentation->GetPlane(planeId)->GetEquivalentSiliconBeforeBack())/fRadLengthSi,-1.);
820b4d9e 832 AliMUONTrackExtrap::AddMCSEffect(&currentParamForResearchBack, (fSegmentation->GetPlane(planeId+1)->GetEquivalentSilicon()+
d4643a10 833 fSegmentation->GetPlane(planeId)->GetEquivalentSiliconBeforeBack())/fRadLengthSi,-1.);
820b4d9e 834 }
835 // for all planes: extrapolation to the Z of the plane
836 AliMUONTrackExtrap::ExtrapToZCov(&currentParamFront, -1.*fSegmentation->GetPlane(planeId)->GetZCenterActiveFront());
837 AliMUONTrackExtrap::ExtrapToZCov(&currentParamForResearchFront, -1.*fSegmentation->GetPlane(planeId)->GetZCenterActiveFront());
838 AliMUONTrackExtrap::ExtrapToZCov(&currentParamBack, -1.*fSegmentation->GetPlane(planeId)->GetZCenterActiveBack());
839 AliMUONTrackExtrap::ExtrapToZCov(&currentParamForResearchBack, -1.*fSegmentation->GetPlane(planeId)->GetZCenterActiveBack());
840
841 //---------------------------------------------------------------------------------------
842
843 TMatrixD covFront(5,5); covFront = currentParamForResearchFront.GetCovariances();
844 TMatrixD covBack(5,5); covBack = currentParamForResearchBack.GetCovariances();
845
846 Double_t squaredError_X_Front = covFront(0,0);
847 Double_t squaredError_Y_Front = covFront(2,2);
848 Double_t squaredError_X_Back = covBack(0,0);
849 Double_t squaredError_Y_Back = covBack(2,2);
850
851 Double_t corrFact = 1.0;
852
853 Double_t researchRadiusFront = TMath::Sqrt(squaredError_X_Front + squaredError_Y_Front);
854 Double_t researchRadiusBack = TMath::Sqrt(squaredError_X_Back + squaredError_Y_Back);
855 if (planeId==fNPlanesMFT-1 && 0.5*(researchRadiusFront+researchRadiusBack)<fMinResearchRadiusAtLastPlane) {
856 corrFact = fMinResearchRadiusAtLastPlane/(0.5*(researchRadiusFront+researchRadiusBack));
857 }
d4643a10 858 if (fIsCurrentMuonTrackable) {
859 // fOutputQAFile->cd();
860 fHistResearchRadius[planeId] -> Fill(0.5*(researchRadiusFront+researchRadiusBack));
861 }
820b4d9e 862
863 Double_t position_X_Front = currentParamForResearchFront.GetNonBendingCoor();
864 Double_t position_Y_Front = currentParamForResearchFront.GetBendingCoor();
865 Double_t position_X_Back = currentParamForResearchBack.GetNonBendingCoor();
866 Double_t position_Y_Back = currentParamForResearchBack.GetBendingCoor();
867 Double_t radialPositionOfTrackFront = TMath::Sqrt(position_X_Front*position_X_Front + position_Y_Front*position_Y_Front);
868 Double_t radialPositionOfTrackBack = TMath::Sqrt(position_X_Back*position_X_Back + position_Y_Back*position_Y_Back);
869
870 //---------------------------------------------------------------------------------------
871
872 Double_t chi2cut = 2.*fSigmaClusterCut*fSigmaClusterCut; // depends on the number of variables (here, 2)
873
874 // Analyizing the clusters: FRONT ACTIVE ELEMENTS
875
876 Int_t nClustersFront = fMFTClusterArrayFront[planeId]->GetEntries();
d4643a10 877 AliDebug(2, Form("There are %3d clusters in plane %02d FRONT\n", nClustersFront, planeId));
820b4d9e 878
879 for (Int_t iCluster=0; iCluster<nClustersFront; iCluster++) {
880
881 Bool_t isGoodChi2 = kFALSE;
882
883 AliMFTCluster *cluster = (AliMFTCluster*) fMFTClusterArrayFront[planeId]->At(iCluster);
884 Double_t chi2 = (1./(corrFact*corrFact)) * TryOneCluster(currentParamForResearchFront, cluster); // describes the compatibility between the track and the cluster
885 if (chi2<chi2cut) isGoodChi2 = kTRUE;
886
887 Double_t radialPositionOfClusterFront = TMath::Sqrt(cluster->GetX()*cluster->GetX() + cluster->GetY()*cluster->GetY());
888 if (planeId == fNPlanesMFT-1) {
889 if (TMath::Abs(radialPositionOfTrackFront-radialPositionOfClusterFront)<fDistanceFromBestClusterAndTrackAtLastPlane ||
890 fDistanceFromBestClusterAndTrackAtLastPlane<0.) {
891 fDistanceFromBestClusterAndTrackAtLastPlane = TMath::Abs(radialPositionOfTrackFront-radialPositionOfClusterFront);
892 }
893 if (IsCorrectMatch(cluster)) {
894 fDistanceFromGoodClusterAndTrackAtLastPlane = TMath::Abs(radialPositionOfTrackFront-radialPositionOfClusterFront);
895 }
896 }
897
898 if (fIsCurrentMuonTrackable) {
d4643a10 899 // fOutputQAFile->cd();
820b4d9e 900 if (IsCorrectMatch(cluster)) fHistChi2Cluster_GoodCluster[planeId]->Fill(chi2/2.); // chi2/ndf
901 else fHistChi2Cluster_BadCluster[planeId] ->Fill(chi2/2.); // chi2/ndf
902 }
903
904 if (isGoodChi2) {
d4643a10 905 AliDebug(3, Form("accepting cluster: chi2=%f (cut = %f)\n", chi2, chi2cut));
820b4d9e 906 AliMuonForwardTrack *newTrack = new ((*fCandidateTracks)[fCandidateTracks->GetEntriesFast()]) AliMuonForwardTrack(*fCurrentTrack);
907 newTrack->AddTrackParamAtMFTCluster(currentParamFront, *cluster); // creating new track param and attaching the cluster
d4643a10 908 AliDebug(1, Form("After plane %02d: newTrack->GetNMFTClusters() = %d (fCurrentTrack->GetNMFTClusters() = %d)",
909 planeId, newTrack->GetNMFTClusters(), fCurrentTrack->GetNMFTClusters()));
820b4d9e 910 newTrack->SetPlaneExists(planeId);
d4643a10 911 AliDebug(2, Form("current muon is trackable: %d\n", fIsCurrentMuonTrackable));
820b4d9e 912 if (fIsCurrentMuonTrackable) {
913 Double_t newGlobalChi2 = ((AliMUONTrackParam*) newTrack->GetTrackParamAtCluster()->First())->GetTrackChi2();
d4643a10 914 AliDebug(2, Form("new chi2 = %f (= %f)\n", newGlobalChi2, newTrack->GetMFTCluster(0)->GetTrackChi2()));
820b4d9e 915 Int_t nClustersGlobalTrack = newTrack->GetNMUONClusters() + newTrack->GetNMFTClusters(); // Muon Spectrometer clusters + clusters in the Vertex Telescope
916 Int_t ndfGlobalTrack = GetNDF(nClustersGlobalTrack);
d4643a10 917 // fOutputQAFile->cd();
918 if (IsCorrectMatch(cluster)) fHistGlobalChi2AtPlaneFor_GOOD_CandidatesOfTrackableMuons[planeId]->Fill(newGlobalChi2/Double_t(ndfGlobalTrack));
919 else fHistGlobalChi2AtPlaneFor_BAD_CandidatesOfTrackableMuons[planeId] ->Fill(newGlobalChi2/Double_t(ndfGlobalTrack));
820b4d9e 920 }
d4643a10 921 fGrMFTPlane[kClustersGoodChi2][planeId] -> SetPoint(fGrMFTPlane[kClustersGoodChi2][planeId]->GetN(), cluster->GetX(), cluster->GetY());
820b4d9e 922 }
d4643a10 923 else AliDebug(3, Form("discarding cluster: chi2=%f (cut = %f)\n", chi2, chi2cut));
820b4d9e 924
925 }
926
927 // Analyizing the clusters: BACK ACTIVE ELEMENTS
928
929 Int_t nClustersBack = fMFTClusterArrayBack[planeId]->GetEntries();
d4643a10 930 AliDebug(2, Form("There are %3d clusters in plane %02d BACK\n", nClustersBack, planeId));
820b4d9e 931
932 for (Int_t iCluster=0; iCluster<nClustersBack; iCluster++) {
933
934 Bool_t isGoodChi2 = kFALSE;
935
936 AliMFTCluster *cluster = (AliMFTCluster*) fMFTClusterArrayBack[planeId]->At(iCluster);
937 Double_t chi2 = (1./(corrFact*corrFact)) * TryOneCluster(currentParamForResearchBack, cluster); // describes the compatibility between the track and the cluster
938 if (chi2<chi2cut) isGoodChi2 = kTRUE;
939
940 Double_t radialPositionOfClusterBack = TMath::Sqrt(cluster->GetX()*cluster->GetX() + cluster->GetY()*cluster->GetY());
941 if (planeId == fNPlanesMFT-1) {
942 if (TMath::Abs(radialPositionOfTrackBack-radialPositionOfClusterBack)<fDistanceFromBestClusterAndTrackAtLastPlane ||
943 fDistanceFromBestClusterAndTrackAtLastPlane<0.) {
944 fDistanceFromBestClusterAndTrackAtLastPlane = TMath::Abs(radialPositionOfTrackBack-radialPositionOfClusterBack);
945 }
946 if (IsCorrectMatch(cluster)) {
947 fDistanceFromGoodClusterAndTrackAtLastPlane = TMath::Abs(radialPositionOfTrackBack-radialPositionOfClusterBack);
948 }
949 }
950
951 if (fIsCurrentMuonTrackable) {
d4643a10 952 // fOutputQAFile->cd();
820b4d9e 953 if (IsCorrectMatch(cluster)) fHistChi2Cluster_GoodCluster[planeId]->Fill(chi2/2.); // chi2/ndf
954 else fHistChi2Cluster_BadCluster[planeId] ->Fill(chi2/2.); // chi2/ndf
955 }
956
957 if (isGoodChi2) {
d4643a10 958 AliDebug(3,Form("accepting cluster: chi2=%f (cut = %f)\n", chi2, chi2cut));
820b4d9e 959 AliMuonForwardTrack *newTrack = new ((*fCandidateTracks)[fCandidateTracks->GetEntriesFast()]) AliMuonForwardTrack(*fCurrentTrack);
960 newTrack->AddTrackParamAtMFTCluster(currentParamBack, *cluster); // creating new track param and attaching the cluster
d4643a10 961 AliDebug(1, Form("After plane %02d: newTrack->GetNMFTClusters() = %d (fCurrentTrack->GetNMFTClusters() = %d)",
962 planeId, newTrack->GetNMFTClusters(), fCurrentTrack->GetNMFTClusters()));
820b4d9e 963 newTrack->SetPlaneExists(planeId);
d4643a10 964 AliDebug(2, Form("current muon is trackable: %d\n", fIsCurrentMuonTrackable));
820b4d9e 965 if (fIsCurrentMuonTrackable) {
966 Double_t newGlobalChi2 = ((AliMUONTrackParam*) newTrack->GetTrackParamAtCluster()->First())->GetTrackChi2();
d4643a10 967 AliDebug(2, Form("new chi2 = %f (= %f)\n", newGlobalChi2, newTrack->GetMFTCluster(0)->GetTrackChi2()));
820b4d9e 968 Int_t nClustersGlobalTrack = newTrack->GetNMUONClusters() + newTrack->GetNMFTClusters(); // Muon Spectrometer clusters + clusters in the Vertex Telescope
969 Int_t ndfGlobalTrack = GetNDF(nClustersGlobalTrack);
d4643a10 970 // fOutputQAFile->cd();
971 if (IsCorrectMatch(cluster)) fHistGlobalChi2AtPlaneFor_GOOD_CandidatesOfTrackableMuons[planeId]->Fill(newGlobalChi2/Double_t(ndfGlobalTrack));
972 else fHistGlobalChi2AtPlaneFor_BAD_CandidatesOfTrackableMuons[planeId] ->Fill(newGlobalChi2/Double_t(ndfGlobalTrack));
820b4d9e 973 }
d4643a10 974 fGrMFTPlane[kClustersGoodChi2][planeId] -> SetPoint(fGrMFTPlane[kClustersGoodChi2][planeId]->GetN(), cluster->GetX(), cluster->GetY());
820b4d9e 975 }
d4643a10 976 else AliDebug(3,Form("discarding cluster: chi2=%f (cut = %f)\n", chi2, chi2cut));
820b4d9e 977
978 }
979
980 //---------------------------------------------------------------------------------------------
981
982 if (planeId == fNPlanesMFT-1) {
983 if (fIsCurrentMuonTrackable && fDistanceFromGoodClusterAndTrackAtLastPlane>0.) {
d4643a10 984 // fOutputQAFile->cd();
820b4d9e 985 fHistDistanceGoodClusterFromTrackMinusDistanceBestClusterFromTrackAtLastPlane -> Fill(TMath::Abs(fDistanceFromBestClusterAndTrackAtLastPlane-
986 fDistanceFromGoodClusterAndTrackAtLastPlane));
987 fHistDistanceGoodClusterFromTrackAtLastPlane -> Fill(fDistanceFromGoodClusterAndTrackAtLastPlane);
988 }
989 }
990
991}
992
993//==========================================================================================================================================
994
995void AliMuonForwardTrackFinder::AttachGoodClusterInPlane(Int_t planeId) {
996
d4643a10 997 AliDebug(1, Form(">>>> executing AliMuonForwardTrackFinder::AttachGoodClusterInPlane(%d)\n", planeId));
820b4d9e 998
999 AliMUONTrackParam currentParamFront, currentParamBack;
1000
1001 if (planeId == fNPlanesMFT-1) { // last plane of the telecope
1002 currentParamFront = (*((AliMUONTrackParam*)(fMuonTrackReco->GetTrackParamAtCluster()->First())));
1003 currentParamBack = (*((AliMUONTrackParam*)(fMuonTrackReco->GetTrackParamAtCluster()->First())));
1004 AliMUONTrackExtrap::ExtrapToVertexWithoutBranson(&currentParamFront, 0.);
1005 AliMUONTrackExtrap::ExtrapToVertexWithoutBranson(&currentParamBack, 0.);
1006 }
1007 else { // MFT planes others than the last one: mult. scattering correction because of the upstream MFT planes is performed
d4643a10 1008 AliDebug(2, Form("fCurrentTrack = %p\n", fCurrentTrack));
820b4d9e 1009 currentParamFront = (*((AliMUONTrackParam*)(fCurrentTrack->GetTrackParamAtCluster()->First())));
1010 currentParamBack = (*((AliMUONTrackParam*)(fCurrentTrack->GetTrackParamAtCluster()->First())));
1011 AliMUONTrackExtrap::AddMCSEffect(&currentParamFront, (fSegmentation->GetPlane(planeId+1)->GetEquivalentSilicon()+
d4643a10 1012 fSegmentation->GetPlane(planeId)->GetEquivalentSiliconBeforeFront())/fRadLengthSi,-1.);
820b4d9e 1013 AliMUONTrackExtrap::AddMCSEffect(&currentParamBack, (fSegmentation->GetPlane(planeId+1)->GetEquivalentSilicon()+
d4643a10 1014 fSegmentation->GetPlane(planeId)->GetEquivalentSiliconBeforeBack())/fRadLengthSi,-1.);
820b4d9e 1015 }
1016 // for all planes: linear extrapolation to the Z of the plane
1017 AliMUONTrackExtrap::ExtrapToZCov(&currentParamFront, -1.*fSegmentation->GetPlane(planeId)->GetZCenterActiveFront());
1018 AliMUONTrackExtrap::ExtrapToZCov(&currentParamBack, -1.*fSegmentation->GetPlane(planeId)->GetZCenterActiveBack());
1019
1020 Bool_t goodClusterFound = kFALSE;
1021
1022 // Analyizing the clusters: FRONT ACTIVE ELEMENTS
1023
1024 Int_t nClustersFront = fMFTClusterArrayFront[planeId]->GetEntries();
1025
d4643a10 1026 AliDebug(1, Form("nClustersFront = %d\n", nClustersFront));
820b4d9e 1027 for (Int_t iCluster=0; iCluster<nClustersFront; iCluster++) {
1028 AliMFTCluster *cluster = (AliMFTCluster*) fMFTClusterArrayFront[planeId]->UncheckedAt(iCluster);
d4643a10 1029 AliDebug(2, Form("checking cluster %02d of %02d: cluter=%p, fCurrentTrack=%p\n", iCluster, nClustersFront, cluster, fCurrentTrack));
820b4d9e 1030 if (IsCorrectMatch(cluster)) {
1031 fCurrentTrack->AddTrackParamAtMFTCluster(currentParamFront, *cluster); // creating new track param and attaching the cluster
1032 fCurrentTrack->SetPlaneExists(planeId);
1033 goodClusterFound = kTRUE;
1034 break;
1035 }
1036 }
1037
1038 if (goodClusterFound) return;
1039
1040 // Analyizing the clusters: BACK ACTIVE ELEMENTS
1041
1042 Int_t nClustersBack = fMFTClusterArrayBack[planeId]->GetEntries();
1043
d4643a10 1044 AliDebug(1, Form("nClustersBack = %d\n", nClustersBack));
820b4d9e 1045 for (Int_t iCluster=0; iCluster<nClustersBack; iCluster++) {
1046 AliMFTCluster *cluster = (AliMFTCluster*) fMFTClusterArrayBack[planeId]->UncheckedAt(iCluster);
d4643a10 1047 AliDebug(2,Form("checking cluster %02d of %02d: cluter=%p, fCurrentTrack=%p\n", iCluster, nClustersBack, cluster, fCurrentTrack));
820b4d9e 1048 if (IsCorrectMatch(cluster)) {
1049 fCurrentTrack->AddTrackParamAtMFTCluster(currentParamBack, *cluster); // creating new track param and attaching the cluster
1050 fCurrentTrack->SetPlaneExists(planeId);
1051 goodClusterFound = kTRUE;
1052 break;
1053 }
1054 }
1055
1056}
1057
1058//==========================================================================================================================================
1059
1060void AliMuonForwardTrackFinder::CheckCurrentMuonTrackable() {
1061
1062 for (Int_t iPlane=0; iPlane<fNPlanesMFT; iPlane++) {
1063 fIsGoodClusterInPlane[iPlane] = kFALSE;
1064 Int_t nClusters = fMFTClusterArray[iPlane]->GetEntriesFast();
1065 for (Int_t iCluster=0; iCluster<nClusters; iCluster++) {
1066 AliMFTCluster *cluster = (AliMFTCluster*) fMFTClusterArray[iPlane]->At(iCluster);
1067 for (Int_t iTrack=0; iTrack<cluster->GetNMCTracks(); iTrack++) {
1068 if (cluster->GetMCLabel(iTrack)==fLabelMC) {
1069 fIsGoodClusterInPlane[iPlane] = kTRUE;
1070 break;
1071 }
1072 }
1073 }
1074 }
1075
1076 fIsCurrentMuonTrackable = kTRUE;
1077 for (Int_t iPlane=0; iPlane<fNPlanesMFT; iPlane++) fIsCurrentMuonTrackable = (fIsCurrentMuonTrackable&&fIsGoodClusterInPlane[iPlane]);
1078
1079}
1080
1081//==========================================================================================================================================
1082
d4643a10 1083void AliMuonForwardTrackFinder::FillPlanesWithTrackHistory() {
820b4d9e 1084
d4643a10 1085 // Fill planes with the clusters
820b4d9e 1086
d4643a10 1087 Int_t cluster = 0;
1088 AliDebug(2, Form("fFinalBestCandidate->GetNMFTClusters() = %d\n", fFinalBestCandidate->GetNMFTClusters()));
820b4d9e 1089 for (Int_t iPlane=0; iPlane<fNPlanesMFT; iPlane++) {
d4643a10 1090 if (fFinalBestCandidate->PlaneExists(iPlane)) {
1091 AliMFTCluster *trackCluster = fFinalBestCandidate->GetMFTCluster(cluster++);
1092 fGrMFTPlane[kClusterOfTrack][iPlane] -> SetPoint(fGrMFTPlane[kClusterOfTrack][iPlane]->GetN(), trackCluster->GetX(), trackCluster->GetY());
1093 }
820b4d9e 1094 Int_t nClusters = fMFTClusterArray[iPlane]->GetEntriesFast();
820b4d9e 1095 for (Int_t iCluster=0; iCluster<nClusters; iCluster++) {
d4643a10 1096 AliMFTCluster *myCluster = (AliMFTCluster*) fMFTClusterArray[iPlane]->UncheckedAt(iCluster);
1097 fGrMFTPlane[kAllClusters][iPlane] -> SetPoint(fGrMFTPlane[kAllClusters][iPlane]->GetN(), myCluster->GetX(), myCluster->GetY());
1098 if (IsCorrectMatch(myCluster)) {
1099 fGrMFTPlane[kClusterCorrectMC][iPlane] -> SetPoint(fGrMFTPlane[kClusterCorrectMC][iPlane]->GetN(), myCluster->GetX(), myCluster->GetY());
820b4d9e 1100 }
820b4d9e 1101 }
820b4d9e 1102 }
1103
1104}
1105
1106//======================================================================================================================================
1107
1108Bool_t AliMuonForwardTrackFinder::IsCorrectMatch(AliMFTCluster *cluster) {
1109
1110 Bool_t result = kFALSE;
1111
1112 // check if the cluster belongs to the correct MC track
1113
1114 for (Int_t iTrack=0; iTrack<cluster->GetNMCTracks(); iTrack++) {
1115 if (cluster->GetMCLabel(iTrack)==fLabelMC) {
1116 result = kTRUE;
1117 break;
1118 }
1119 }
1120
d4643a10 1121 AliDebug(2,Form("returning %d\n", result));
820b4d9e 1122
1123 return result;
1124
1125}
1126
1127//======================================================================================================================================
1128
1129Double_t AliMuonForwardTrackFinder::TryOneCluster(const AliMUONTrackParam &trackParam, AliMFTCluster *cluster) {
1130
1131 // Test the compatibility between the track and the cluster (using trackParam's covariance matrix):
1132 // return the corresponding Chi2
1133 // assume the track parameters are given at the Z of the cluster
1134
1135 // Set differences between trackParam and cluster in the bending and non bending directions
1136 Double_t dX = cluster->GetX() - trackParam.GetNonBendingCoor();
1137 Double_t dY = cluster->GetY() - trackParam.GetBendingCoor();
d4643a10 1138 AliDebug(3,Form("dX = %f, dY = %f\n", dX, dY));
820b4d9e 1139
1140 // Calculate errors and covariances
1141 const TMatrixD& kParamCov = trackParam.GetCovariances();
1142 Double_t sigmaX2 = kParamCov(0,0) + cluster->GetErrX2();
1143 Double_t sigmaY2 = kParamCov(2,2) + cluster->GetErrY2();
d4643a10 1144 AliDebug(3, Form("dX2 = %f, dY2 = %f\n", sigmaX2, sigmaY2));
820b4d9e 1145 Double_t covXY = kParamCov(0,2);
1146 Double_t det = sigmaX2 * sigmaY2 - covXY * covXY;
1147
1148 // Compute chi2
1149 if (det==0.) return 1.e10;
1150 return (dX*dX*sigmaY2 + dY*dY*sigmaX2 - 2.*dX*dY*covXY) / det;
1151
1152}
1153
1154//=========================================================================================================================================
1155
1156void AliMuonForwardTrackFinder::SeparateFrontBackClusters() {
1157
1158 for (Int_t iPlane=0; iPlane<fNPlanesMFT; iPlane++) {
1159 fMFTClusterArrayFront[iPlane]->Clear();
1160 fMFTClusterArrayBack[iPlane] ->Clear();
1161 for (Int_t iCluster=0; iCluster<fMFTClusterArray[iPlane]->GetEntries(); iCluster++) {
1162 AliMFTCluster *cluster = (AliMFTCluster*) fMFTClusterArray[iPlane]->At(iCluster);
1163 if (TMath::Abs(cluster->GetZ())<TMath::Abs(fSegmentation->GetPlane(iPlane)->GetZCenter())) {
1164 new ((*fMFTClusterArrayFront[iPlane])[fMFTClusterArrayFront[iPlane]->GetEntries()]) AliMFTCluster(*cluster);
1165 }
1166 else {
1167 new ((*fMFTClusterArrayBack[iPlane])[fMFTClusterArrayBack[iPlane]->GetEntries()]) AliMFTCluster(*cluster);
1168 }
1169 }
1170 }
1171
1172}
1173
1174//=========================================================================================================================================
1175
1176Int_t AliMuonForwardTrackFinder::GetNDF(Int_t nClusters) {
1177
1178 // the same definition as in AliMUONTrack is implemented, since here we just add more clusters to the Muon track
1179
1180 Int_t ndf = 2 * nClusters - 5;
1181 return (ndf > 0) ? ndf : 0;
1182
1183}
1184
1185//============================================================================================================================================
1186
1187void AliMuonForwardTrackFinder::BookHistos() {
d4643a10 1188
820b4d9e 1189 const Int_t nMaxNewTracks[] = {150, 200, 250, 600, 1000};
d4643a10 1190 const Double_t radiusPlane[] = {0.010, 0.010, 0.050, 0.5, 1.5};
820b4d9e 1191
820b4d9e 1192 fHistRadiusEndOfAbsorber = new TH1D("hRadiusEndOfAbsorber", "Track radial distance at the end of the absorber", 1000, 0, 100.);
1193
1194 fHistNGoodClustersForFinalTracks = new TH1D("hNGoodClustersForFinalTracks", "Number of Good Clusters per Final Track", 20, -0.25, 9.75);
1195
1196 fHistDistanceGoodClusterFromTrackAtLastPlane = new TH1D("hDistanceGoodClusterFromTrackAtLastPlane",
1197 "Distance of MC Good Cluster from Track in last MFT plane", 200, 0., 2.);
1198
1199 fHistDistanceGoodClusterFromTrackMinusDistanceBestClusterFromTrackAtLastPlane =
1200 new TH1D("hDistanceGoodClusterFromTrackMinusDistanceBestClusterFromTrackAtLastPlane",
1201 "Good Cluster distance from track - Best Cluster distance from track in last MFT plane", 200, 0., 2.);
1202
1203 for (Int_t iPlane=0; iPlane<fNPlanesMFT; iPlane++) {
1204
1205 fHistNTracksAfterExtrapolation[iPlane] = new TH1D(Form("hNTracksAfterExtrapolation_pl%02d", iPlane),
1206 Form("Number of Candidates after analysis of MFT plane %02d", iPlane),
1207 nMaxNewTracks[iPlane], -0.5, nMaxNewTracks[iPlane]-0.5);
1208
1209 fHistResearchRadius[iPlane] = new TH1D(Form("hResearchRadius_pl%02d", iPlane),
1210 Form("Research Radius for candidate clusters in MFT plane %02d", iPlane),
1211 1000, 0., radiusPlane[iPlane]);
1212
1213 fHistChi2Cluster_GoodCluster[iPlane] = new TH1D(Form("hChi2Cluster_GoodCluster_pl%02d", iPlane),
1214 Form("#chi^{2}_{clust} for Good clusters in MFT plane %02d", iPlane),
1215 100, 0., 15.);
1216
1217 fHistChi2Cluster_BadCluster[iPlane] = new TH1D(Form("hChi2Cluster_BadCluster_pl%02d", iPlane),
1218 Form("#chi^{2}_{clust} for Bad clusters in MFT plane %02d", iPlane),
1219 100, 0., 15.);
1220
d4643a10 1221 fHistGlobalChi2AtPlaneFor_GOOD_CandidatesOfTrackableMuons[iPlane] = new TH1D(Form("fHistGlobalChi2AtPlaneFor_GOOD_CandidatesOfTrackableMuons_pl%02d", iPlane),
1222 Form("#chi^{2}/ndf at plane %d for GOOD candidates of trackable muons",iPlane),
1223 100, 0., 15.);
1224
1225 fHistGlobalChi2AtPlaneFor_BAD_CandidatesOfTrackableMuons[iPlane] = new TH1D(Form("fHistGlobalChi2AtPlaneFor_BAD_CandidatesOfTrackableMuons_pl%02d", iPlane),
1226 Form("#chi^{2}/ndf at plane %d for BAD candidates of trackable muons",iPlane),
1227 100, 0., 15.);
1228
820b4d9e 1229 }
1230
1231 //------------------------------------------
1232
820b4d9e 1233 fHistRadiusEndOfAbsorber -> Sumw2();
1234 fHistNGoodClustersForFinalTracks -> Sumw2();
1235
1236 fHistDistanceGoodClusterFromTrackAtLastPlane -> Sumw2();
1237 fHistDistanceGoodClusterFromTrackMinusDistanceBestClusterFromTrackAtLastPlane -> Sumw2();
1238
1239 for (Int_t iPlane=0; iPlane<fNPlanesMFT; iPlane++) {
1240
1241 fHistNTracksAfterExtrapolation[iPlane] -> Sumw2();
1242 fHistResearchRadius[iPlane] -> Sumw2();
1243
1244 fHistChi2Cluster_GoodCluster[iPlane] -> Sumw2();
1245 fHistChi2Cluster_BadCluster[iPlane] -> Sumw2();
1246
d4643a10 1247 fHistGlobalChi2AtPlaneFor_GOOD_CandidatesOfTrackableMuons[iPlane] -> Sumw2();
1248 fHistGlobalChi2AtPlaneFor_BAD_CandidatesOfTrackableMuons[iPlane] -> Sumw2();
820b4d9e 1249
1250 }
1251
6e8e4c4a 1252 fNtuFinalCandidates = new TNtuple("ntuFinalCandidates", "Final Candidates (ALL)", "run:event:muonTrack:nFinalCandidates:MCTrackRefExists:xVtx:yVtx:zVtx:motherPdg:triggerMatch:nClustersMC:nGoodClusters:pt:theta:eta:chi2AtPlane0:chi2AtPlane1:chi2AtPlane2:chi2AtPlane3:chi2AtPlane4:chi2AtPlane5:chi2AtPlane6:chi2AtPlane7:chi2AtPlane8");
7230691d 1253
6e8e4c4a 1254 fNtuFinalBestCandidates = new TNtuple("ntuFinalBestCandidates", "Final Best Candidates", "run:event:muonTrack:nFinalCandidates:MCTrackRefExists:xVtx:yVtx:zVtx:motherPdg:triggerMatch:nClustersMC:nGoodClusters:pt:theta:eta:chi2AtPlane0:chi2AtPlane1:chi2AtPlane2:chi2AtPlane3:chi2AtPlane4:chi2AtPlane5:chi2AtPlane6:chi2AtPlane7:chi2AtPlane8:nClustersAtPlane0:nClustersAtPlane1:nClustersAtPlane2:nClustersAtPlane3:nClustersAtPlane4:nClustersAtPlane5:nClustersAtPlane6:nClustersAtPlane7:nClustersAtPlane8");
820b4d9e 1255
1256}
1257
1258//============================================================================================================================================
1259
1260void AliMuonForwardTrackFinder::SetTitleHistos() {
1261
820b4d9e 1262 fHistRadiusEndOfAbsorber -> SetXTitle("R_{abs} [cm]");
1263 fHistNGoodClustersForFinalTracks -> SetXTitle("N_{GoodClusters}");
1264
1265 fHistDistanceGoodClusterFromTrackAtLastPlane -> SetXTitle("Distance [cm]");
1266 fHistDistanceGoodClusterFromTrackMinusDistanceBestClusterFromTrackAtLastPlane -> SetXTitle("Distance [cm]");
1267
1268
1269 for (Int_t iPlane=0; iPlane<fNPlanesMFT; iPlane++) {
1270
1271 fHistNTracksAfterExtrapolation[iPlane] -> SetXTitle("N_{tracks}");
1272 fHistResearchRadius[iPlane] -> SetXTitle("Research Radius [cm]");
1273
1274 fHistChi2Cluster_GoodCluster[iPlane] -> SetXTitle("#chi^{2}/ndf");
1275 fHistChi2Cluster_BadCluster[iPlane] -> SetXTitle("#chi^{2}/ndf");
1276
d4643a10 1277 fHistGlobalChi2AtPlaneFor_GOOD_CandidatesOfTrackableMuons[iPlane] -> SetXTitle("#chi^{2}/ndf");
1278 fHistGlobalChi2AtPlaneFor_BAD_CandidatesOfTrackableMuons[iPlane] -> SetXTitle("#chi^{2}/ndf");
820b4d9e 1279
1280 }
1281
1282}
1283
1284//===========================================================================================================================================
1285
1286void AliMuonForwardTrackFinder::BookPlanes() {
1287
1288 for (Int_t iPlane=0; iPlane<fNPlanesMFT; iPlane++) {
d4643a10 1289 fGrMFTPlane[kAllClusters][iPlane] = new TGraph();
1290 fGrMFTPlane[kAllClusters][iPlane] -> SetName(Form("fGrMFTPlane_%02d_AllClusters",iPlane));
1291 fGrMFTPlane[kAllClusters][iPlane] -> SetMarkerStyle(20);
1292 // fGrMFTPlane[kAllClusters][iPlane] -> SetMarkerSize(0.5);
1293 // fGrMFTPlane[kAllClusters][iPlane] -> SetMarkerSize(0.3);
1294 fGrMFTPlane[kAllClusters][iPlane] -> SetMarkerSize(0.2);
820b4d9e 1295 }
1296
1297 for (Int_t iPlane=0; iPlane<fNPlanesMFT; iPlane++) {
d4643a10 1298 fGrMFTPlane[kClustersGoodChi2][iPlane] = new TGraph();
1299 fGrMFTPlane[kClustersGoodChi2][iPlane] -> SetName(Form("fGrMFTPlane_%02d_ClustersGoodChi2",iPlane));
1300 fGrMFTPlane[kClustersGoodChi2][iPlane] -> SetMarkerStyle(20);
1301 // fGrMFTPlane[kClustersGoodChi2][iPlane] -> SetMarkerSize(0.8);
1302 // fGrMFTPlane[kClustersGoodChi2][iPlane] -> SetMarkerSize(0.4);
1303 fGrMFTPlane[kClustersGoodChi2][iPlane] -> SetMarkerSize(0.3);
1304 fGrMFTPlane[kClustersGoodChi2][iPlane] -> SetMarkerColor(kBlue);
820b4d9e 1305 }
1306
1307 for (Int_t iPlane=0; iPlane<fNPlanesMFT; iPlane++) {
d4643a10 1308 fGrMFTPlane[kClusterOfTrack][iPlane] = new TGraph();
1309 fGrMFTPlane[kClusterOfTrack][iPlane] -> SetName(Form("fGrMFTPlane_%02d_ClustersOfTrack",iPlane));
1310 fGrMFTPlane[kClusterOfTrack][iPlane] -> SetMarkerStyle(25);
1311 // fGrMFTPlane[kClusterOfTrack][iPlane] -> SetMarkerSize(1.2);
1312 fGrMFTPlane[kClusterOfTrack][iPlane] -> SetMarkerSize(0.9);
1313 fGrMFTPlane[kClusterOfTrack][iPlane] -> SetMarkerColor(kRed);
1314 fGrMFTPlane[kClusterOfTrack][iPlane] -> SetTitle(Form("Plane %d (%3.1f cm)", iPlane, fZPlane[iPlane]));
820b4d9e 1315 }
1316
1317 for (Int_t iPlane=0; iPlane<fNPlanesMFT; iPlane++) {
d4643a10 1318 fGrMFTPlane[kClusterCorrectMC][iPlane] = new TGraph();
1319 fGrMFTPlane[kClusterCorrectMC][iPlane] -> SetName(Form("fGrMFTPlane_%02d_ClustersCorrectMC",iPlane));
1320 fGrMFTPlane[kClusterCorrectMC][iPlane] -> SetMarkerStyle(20);
1321 // fGrMFTPlane[kClusterCorrectMC][iPlane] -> SetMarkerSize(0.8);
1322 fGrMFTPlane[kClusterCorrectMC][iPlane] -> SetMarkerSize(0.5);
1323 fGrMFTPlane[kClusterCorrectMC][iPlane] -> SetMarkerColor(kGreen);
820b4d9e 1324 }
1325
1326 for (Int_t iPlane=0; iPlane<fNPlanesMFT; iPlane++) {
1327 fCircleExt[iPlane] = new TEllipse(0., 0., fRPlaneMax[iPlane], fRPlaneMax[iPlane]);
1328 fCircleInt[iPlane] = new TEllipse(0., 0., fRPlaneMin[iPlane], fRPlaneMin[iPlane]);
1329 }
1330
d4643a10 1331 fTxtDummy = new TLatex(0.10, 0.59, "Best Candidate:");
820b4d9e 1332
1333 //---------------------------------------------------
1334
1335 fMrkAllClust = new TMarker(0.10, 0.32, 20);
1336 fMrkAllClust -> SetMarkerSize(0.5);
1337
1338 fMrkClustGoodChi2 = new TMarker(0.10, 0.26, 20);
1339 fMrkClustGoodChi2 -> SetMarkerSize(0.8);
1340 fMrkClustGoodChi2 -> SetMarkerColor(kBlue);
1341
1342 fMrkClustMC = new TMarker(0.10, 0.20, 20);
1343 fMrkClustMC -> SetMarkerSize(0.8);
1344 fMrkClustMC -> SetMarkerColor(kGreen);
1345
1346 fMrkClustOfTrack = new TMarker(0.10, 0.14, 25);
1347 fMrkClustOfTrack -> SetMarkerSize(1.2);
1348 fMrkClustOfTrack -> SetMarkerColor(kRed);
1349
1350 fTxtAllClust = new TLatex(0.15, 0.30, "All Clusters");
1351 fTxtAllClust -> SetTextSize(0.040);
1352
1353 fTxtClustGoodChi2 = new TLatex(0.15, 0.24, "Clusters involved in the research");
1354 fTxtClustGoodChi2 -> SetTextSize(0.040);
1355
1356 fTxtClustMC = new TLatex(0.15, 0.18, "MC good clusters");
1357 fTxtClustMC -> SetTextSize(0.040);
1358
1359 fTxtClustOfTrack = new TLatex(0.15, 0.12, "Clusters of the best candidate");
1360 fTxtClustOfTrack -> SetTextSize(0.040);
1361
1362}
1363
1364//===========================================================================================================================================
1365
1366void AliMuonForwardTrackFinder::ResetPlanes() {
1367
1368 for (Int_t iPlane=0; iPlane<fNPlanesMFT; iPlane++) {
1369 for (Int_t iGr=0; iGr<4; iGr++) {
d4643a10 1370 Int_t nOldClusters = fGrMFTPlane[iGr][iPlane]->GetN();
1371 for (Int_t iPoint=nOldClusters-1; iPoint>=0; iPoint--) fGrMFTPlane[iGr][iPlane]->RemovePoint(iPoint);
820b4d9e 1372 }
1373 }
1374
1375}
1376
1377//===========================================================================================================================================
1378
1379void AliMuonForwardTrackFinder::PrintParticleHistory() {
1380
d4643a10 1381 AliDebug(1, "Entering");
1382
820b4d9e 1383 TString history = "";
1384
d4643a10 1385 TParticle *part = 0;
1386 if (fLabelMC>=0) part = fStack->Particle(fLabelMC);
1387
1388 AliDebug(1, Form("fStack->Particle(fLabelMC) = %p", part));
1389
1390 if (part) {
1391 if (part->GetFirstMother() != -1) {
1392 TParticle *partMother = fStack->Particle(part->GetFirstMother());
1393 AliDebug(1, Form("fStack->Particle(part->GetFirstMother() = %p", partMother));
1394 if (partMother) {
1395 Char_t newName[100];
1396 if (partMother->GetFirstMother() != -1) history += "... #rightarrow ";
1397 PDGNameConverter(partMother->GetName(), newName);
1398 history += Form("%s #rightarrow ", newName);
1399 }
1400 }
820b4d9e 1401 Char_t newName[100];
d4643a10 1402 PDGNameConverter(part->GetName(), newName);
1403 history += Form("%s at z = %5.1f cm", newName, part->Vz());
1404 // printf("%s", history.Data());
820b4d9e 1405 }
d4643a10 1406 else history += "NO AVAILABLE HISTORY";
1407
820b4d9e 1408 fTxtMuonHistory = new TLatex(0.10, 0.86, history.Data());
d4643a10 1409
1410 // Filling particle history in the fFinalBestCandidate
1411
1412 if (part) {
1413 for (Int_t iParent=0; iParent<AliMuonForwardTrack::fgkNParentsMax; iParent++) {
1414 if (part->GetFirstMother() == -1) break;
1415 if (!(fStack->Particle(part->GetFirstMother()))) break;
1416 AliDebug(1, Form("fStack->Particle(part->GetFirstMother() = %p", fStack->Particle(part->GetFirstMother())));
1417 fFinalBestCandidate->SetParentMCLabel(iParent, part->GetFirstMother());
1418 fFinalBestCandidate->SetParentPDGCode(iParent, fStack->Particle(part->GetFirstMother())->GetPdgCode());
1419 part = fStack->Particle(part->GetFirstMother());
1420 }
1421 }
820b4d9e 1422
1423}
1424
1425//===========================================================================================================================================
1426
d4643a10 1427Bool_t AliMuonForwardTrackFinder::IsMother(Char_t *nameMother) {
820b4d9e 1428
1429 Bool_t result = kFALSE;
1430
d4643a10 1431 TParticle *part = 0;
1432 if (fLabelMC>=0) part = fStack->Particle(fLabelMC);
820b4d9e 1433
d4643a10 1434 if (part) {
1435 if (part->GetFirstMother() != -1) {
1436 TParticle *partMother = fStack->Particle(part->GetFirstMother());
1437 if (partMother) {
1438 if (!strcmp(partMother->GetName(), nameMother)) result=kTRUE;
1439 }
1440 }
820b4d9e 1441 }
1442
1443 return result;
1444
1445}
1446
1447//===========================================================================================================================================
1448
1449void AliMuonForwardTrackFinder::DrawPlanes() {
1450
1451 fCanvas -> Clear();
1452 if (fNPlanesMFT <= 5) fCanvas -> Divide(3,2);
1453 else if (fNPlanesMFT <= 11) fCanvas -> Divide(4,3);
1454 else if (fNPlanesMFT <= 19) fCanvas -> Divide(5,4);
1455
1456 for (Int_t iPlane=0; iPlane<fNPlanesMFT; iPlane++) {
1457
1458 fCanvas->cd(fNPlanesMFT-iPlane+1);
1459
d4643a10 1460 fGrMFTPlane[kClusterOfTrack][iPlane] -> GetXaxis() -> SetLimits(-1.1*fRPlaneMax[fNPlanesMFT-1], +1.1*fRPlaneMax[fNPlanesMFT-1]);
1461 fGrMFTPlane[kClusterOfTrack][iPlane] -> GetYaxis() -> SetRangeUser(-1.1*fRPlaneMax[fNPlanesMFT-1], +1.1*fRPlaneMax[fNPlanesMFT-1]);
1462 fGrMFTPlane[kClusterOfTrack][iPlane] -> GetXaxis() -> SetTitle("X [cm]");
1463 fGrMFTPlane[kClusterOfTrack][iPlane] -> GetYaxis() -> SetTitle("Y [cm]");
1464 fGrMFTPlane[kClusterOfTrack][iPlane] -> Draw("ap");
820b4d9e 1465
1466 fCircleExt[iPlane] -> Draw("same");
1467 fCircleInt[iPlane] -> Draw("same");
1468
d4643a10 1469 if (fGrMFTPlane[kAllClusters][iPlane]->GetN()) fGrMFTPlane[kAllClusters][iPlane] -> Draw("psame");
1470 if (fGrMFTPlane[kClustersGoodChi2][iPlane]->GetN()) fGrMFTPlane[kClustersGoodChi2][iPlane] -> Draw("psame");
1471 if (fGrMFTPlane[kClusterOfTrack][iPlane]->GetN()) fGrMFTPlane[kClusterOfTrack][iPlane] -> Draw("psame");
1472 if (fGrMFTPlane[kClusterCorrectMC][iPlane]->GetN()) fGrMFTPlane[kClusterCorrectMC][iPlane] -> Draw("psame");
820b4d9e 1473
1474 fTxtTrackChi2[iPlane] -> Draw("same");
1475
1476 }
1477
1478 fCanvas -> cd(1);
1479 fTxtMuonHistory -> Draw();
1480 fTxtDummy -> Draw("same");
d4643a10 1481 if (fMatchingMode==kRealMatching) fTxtTrackGoodClusters -> Draw("same");
820b4d9e 1482 fTxtTrackFinalChi2 -> Draw("same");
d4643a10 1483 fTxtTrackMomentum -> Draw("same");
1484 if (fMatchingMode==kRealMatching) fTxtFinalCandidates -> Draw("same");
820b4d9e 1485
1486 fMrkAllClust -> Draw("same");
1487 fMrkClustGoodChi2 -> Draw("same");
1488 fMrkClustMC -> Draw("same");
1489 fMrkClustOfTrack -> Draw("same");
1490
1491 fTxtAllClust -> Draw("same");
1492 fTxtClustGoodChi2 -> Draw("same");
1493 fTxtClustMC -> Draw("same");
1494 fTxtClustOfTrack -> Draw("same");
1495
1496 // fCanvas -> SaveAs(Form("%s/figures/eventDisplay/run%d_event%d_track%d.eps", fOutDir.Data(), fRun, fEv, fCountRealTracksAnalyzedOfEvent));
1497 fCanvas -> SaveAs(Form("%s/figures/eventDisplay/run%d_event%d_track%d.gif", fOutDir.Data(), fRun, fEv, fCountRealTracksAnalyzedOfEvent));
1498 if (IsMother("phi")) {
1499 fCanvas -> SaveAs(Form("%s/figures/eventDisplay/run%d_event%d_track%d.phi.gif", fOutDir.Data(), fRun, fEv, fCountRealTracksAnalyzedOfEvent));
1500 fCanvas -> SaveAs(Form("%s/figures/eventDisplay/run%d_event%d_track%d.phi.eps", fOutDir.Data(), fRun, fEv, fCountRealTracksAnalyzedOfEvent));
1501 }
1502 if (IsMother("J/psi")) {
1503 fCanvas -> SaveAs(Form("%s/figures/eventDisplay/run%d_event%d_track%d.jPsi.gif", fOutDir.Data(), fRun, fEv, fCountRealTracksAnalyzedOfEvent));
1504 fCanvas -> SaveAs(Form("%s/figures/eventDisplay/run%d_event%d_track%d.jPsi.eps", fOutDir.Data(), fRun, fEv, fCountRealTracksAnalyzedOfEvent));
1505 }
1506
1507}
1508
1509//===========================================================================================================================================
1510
1511void AliMuonForwardTrackFinder::Terminate() {
1512
d4643a10 1513 AliInfo("");
1514 AliInfo("---------------------------------------------------------------------------------------------------------------");
1515 AliInfo(Form("%8d tracks analyzed", fCountRealTracksAnalyzed));
1516 AliInfo(Form("%8d tracks with MC ref", fCountRealTracksWithRefMC));
1517 AliInfo(Form("%8d tracks with MC ref & trigger match", fCountRealTracksWithRefMC_andTrigger));
1518 if (fMatchingMode==kRealMatching) {
1519 AliInfo(Form("%8d tracks analyzed with final candidates", fCountRealTracksAnalyzedWithFinalCandidates));
1520 }
1521 else {
1522 AliInfo(Form("%8d tracks matched with their MC clusters", fCountRealTracksAnalyzedWithFinalCandidates));
1523 }
1524// printf("%8d tracks with MC ref & trigger match & pt>%3.1f GeV/c", fCountRealTracksWithRefMC_andTrigger_andGoodPt, fLowPtCut);
1525// printf("%8d tracks with MC ref & trigger match & pt>%3.1f GeV/c & correct R_abs", fCountRealTracksWithRefMC_andTrigger_andGoodPt_andGoodTheta, fLowPtCut);
1526 AliInfo("---------------------------------------------------------------------------------------------------------------");
820b4d9e 1527
1528 WriteOutputTree();
1529 WriteHistos();
1530
1531}
1532
1533//==========================================================================================================================================
1534
1535void AliMuonForwardTrackFinder::FillOutputTree() {
1536
1537 if (!fMuonForwardTracks || !fOutputEventTree) return;
1538
1539 AliDebug(1, Form("Filling output tree %p with %p having %d entries whose 1st entry is %p",
1540 fOutputEventTree, fMuonForwardTracks, fMuonForwardTracks->GetEntries(), fMuonForwardTracks->At(0)));
1541
d4643a10 1542 // fOutputTreeFile->cd();
820b4d9e 1543 fOutputEventTree->Fill();
d4643a10 1544 AliDebug(1, Form("\nFilled Tree: nEvents = %d!!!!\n", Int_t(fOutputEventTree->GetEntries())));
820b4d9e 1545
1546}
1547
1548//==========================================================================================================================================
1549
1550void AliMuonForwardTrackFinder::WriteOutputTree() {
1551
1552 if (!fOutputEventTree || !fOutputTreeFile) return;
1553
1554 fOutputTreeFile -> cd();
1555
1556 fOutputEventTree -> Write();
1557 fOutputTreeFile -> Close();
1558
1559}
1560
1561//==========================================================================================================================================
1562
1563void AliMuonForwardTrackFinder::WriteHistos() {
1564
d4643a10 1565 fOutputQAFile = new TFile(Form("MuonGlobalTracking.QA.run%d.root", fRun), "recreate");
1566 fOutputQAFile -> cd();
820b4d9e 1567
820b4d9e 1568 fHistRadiusEndOfAbsorber -> Write();
1569 fHistNGoodClustersForFinalTracks -> Write();
1570
1571 fHistDistanceGoodClusterFromTrackAtLastPlane -> Write();
1572 fHistDistanceGoodClusterFromTrackMinusDistanceBestClusterFromTrackAtLastPlane -> Write();
1573
1574 for (Int_t iPlane=0; iPlane<fNPlanesMFT; iPlane++) {
1575
1576 fHistNTracksAfterExtrapolation[iPlane] -> Write();
1577 fHistResearchRadius[iPlane] -> Write();
1578
1579 fHistChi2Cluster_GoodCluster[iPlane] -> Write();
1580 fHistChi2Cluster_BadCluster[iPlane] -> Write();
1581
d4643a10 1582 fHistGlobalChi2AtPlaneFor_GOOD_CandidatesOfTrackableMuons[iPlane] -> Write();
1583 fHistGlobalChi2AtPlaneFor_BAD_CandidatesOfTrackableMuons[iPlane] -> Write();
820b4d9e 1584
1585 }
1586
d4643a10 1587 fNtuFinalCandidates -> Write();
1588 fNtuFinalBestCandidates -> Write();
820b4d9e 1589
d4643a10 1590 fOutputQAFile -> Close();
820b4d9e 1591
1592}
1593
1594//===========================================================================================================================================
1595
1596void AliMuonForwardTrackFinder::PDGNameConverter(const Char_t *nameIn, Char_t *nameOut) {
1597
1598 if (!strcmp(nameIn, "mu+")) sprintf(nameOut, "#mu^{+}");
1599 else if (!strcmp(nameIn, "mu-")) sprintf(nameOut, "#mu^{-}");
1600 else if (!strcmp(nameIn, "pi+")) sprintf(nameOut, "#pi^{+}");
1601 else if (!strcmp(nameIn, "pi-")) sprintf(nameOut, "#pi^{-}");
1602 else if (!strcmp(nameIn, "K+")) sprintf(nameOut, "K^{+}");
1603 else if (!strcmp(nameIn, "K-")) sprintf(nameOut, "K^{-}");
1604 else if (!strcmp(nameIn, "K*+")) sprintf(nameOut, "K^{*+}");
1605 else if (!strcmp(nameIn, "K*-")) sprintf(nameOut, "K^{*-}");
1606 else if (!strcmp(nameIn, "K_S0")) sprintf(nameOut, "K_{S}^{0}");
1607 else if (!strcmp(nameIn, "K_L0")) sprintf(nameOut, "K_{L}^{0}");
1608 else if (!strcmp(nameIn, "K0")) sprintf(nameOut, "K^{0}");
1609 else if (!strcmp(nameIn, "K0_bar")) sprintf(nameOut, "#bar{K}^{0}");
1610 else if (!strcmp(nameIn, "K*0")) sprintf(nameOut, "K^{*0}");
1611 else if (!strcmp(nameIn, "K*0_bar")) sprintf(nameOut, "#bar{K}^{*0}");
1612 else if (!strcmp(nameIn, "rho0")) sprintf(nameOut, "#rho^{0}");
1613 else if (!strcmp(nameIn, "rho+")) sprintf(nameOut, "#rho^{+}");
1614 else if (!strcmp(nameIn, "rho-")) sprintf(nameOut, "#rho^{-}");
1615 else if (!strcmp(nameIn, "omega")) sprintf(nameOut, "#omega");
1616 else if (!strcmp(nameIn, "eta'")) sprintf(nameOut, "#eta'");
1617 else if (!strcmp(nameIn, "phi")) sprintf(nameOut, "#phi");
1618
1619 else if (!strcmp(nameIn, "D-")) sprintf(nameOut, "D^{-}");
1620 else if (!strcmp(nameIn, "D+")) sprintf(nameOut, "D^{+}");
1621 else if (!strcmp(nameIn, "D0")) sprintf(nameOut, "D^{0}");
1622 else if (!strcmp(nameIn, "D0_bar")) sprintf(nameOut, "#bar{D}^{0}");
1623 else if (!strcmp(nameIn, "D*-")) sprintf(nameOut, "D^{*-}");
1624 else if (!strcmp(nameIn, "D*+")) sprintf(nameOut, "D^{*+}");
1625 else if (!strcmp(nameIn, "D_s+")) sprintf(nameOut, "D_{s}^{+}");
1626 else if (!strcmp(nameIn, "D*_s+")) sprintf(nameOut, "D_{s}^{*+}");
1627
1628 else if (!strcmp(nameIn, "B-")) sprintf(nameOut, "B^{-}");
1629 else if (!strcmp(nameIn, "B+")) sprintf(nameOut, "B^{+}");
1630 else if (!strcmp(nameIn, "B_s0_bar")) sprintf(nameOut, "#bar{B}_{s}^{0}");
1631
1632 else if (!strcmp(nameIn, "antiproton")) sprintf(nameOut, "#bar{p}");
1633 else if (!strcmp(nameIn, "proton")) sprintf(nameOut, "p");
1634 else if (!strcmp(nameIn, "neutron")) sprintf(nameOut, "n");
1635 else if (!strcmp(nameIn, "Sigma+")) sprintf(nameOut, "#Sigma^{+}");
1636 else if (!strcmp(nameIn, "Delta+")) sprintf(nameOut, "#Delta{+}");
1637 else if (!strcmp(nameIn, "Delta--")) sprintf(nameOut, "#Delta{--}");
1638 else if (!strcmp(nameIn, "Lambda0")) sprintf(nameOut, "#Lambda_0");
1639 else if (!strcmp(nameIn, "Lambda0_bar")) sprintf(nameOut, "#bar{Lambda}_0");
1640
1641 else sprintf(nameOut, "%s", nameIn);
1642
1643}
1644
1645//===========================================================================================================================================
1646
1647void AliMuonForwardTrackFinder::SetDraw(Bool_t drawOption) {
1648
1649 fDrawOption = drawOption;
1650
1651 if (!fCanvas) {
1652 fCanvas = new TCanvas("tracking", "tracking", 1200, 800);
1653 fCanvas -> Divide(3,2);
1654 }
1655
1656}
1657
1658//===========================================================================================================================================
1659
1660Bool_t AliMuonForwardTrackFinder::InitGRP() {
1661
1662 //------------------------------------
1663 // Initialization of the GRP entry
1664 //------------------------------------
1665
1666 AliCDBEntry* entry = AliCDBManager::Instance()->Get("GRP/GRP/Data");
1667
1668 if (entry) {
1669
1670 TMap* m = dynamic_cast<TMap*>(entry->GetObject()); // old GRP entry
1671
1672 if (m) {
1673 AliInfo("Found a TMap in GRP/GRP/Data, converting it into an AliGRPObject");
1674 m->Print();
1675 fGRPData = new AliGRPObject();
1676 fGRPData->ReadValuesFromMap(m);
1677 }
1678
1679 else {
1680 AliInfo("Found an AliGRPObject in GRP/GRP/Data, reading it");
1681 fGRPData = dynamic_cast<AliGRPObject*>(entry->GetObject()); // new GRP entry
1682 entry->SetOwner(0);
1683 }
1684
1685 // FIX ME: The unloading of GRP entry is temporarily disabled
1686 // because ZDC and VZERO are using it in order to initialize
1687 // their reconstructor objects. In the future one has to think
1688 // of propagating AliRunInfo to the reconstructors.
1689 // AliCDBManager::Instance()->UnloadFromCache("GRP/GRP/Data");
1690 }
1691
1692 if (!fGRPData) {
1693 AliError("No GRP entry found in OCDB!");
1694 return kFALSE;
1695 }
1696
1697 TString lhcState = fGRPData->GetLHCState();
1698 if (lhcState==AliGRPObject::GetInvalidString()) {
1699 AliError("GRP/GRP/Data entry: missing value for the LHC state ! Using UNKNOWN");
1700 lhcState = "UNKNOWN";
1701 }
1702
1703 TString beamType = fGRPData->GetBeamType();
1704 if (beamType==AliGRPObject::GetInvalidString()) {
1705 AliError("GRP/GRP/Data entry: missing value for the beam type ! Using UNKNOWN");
1706 beamType = "UNKNOWN";
1707 }
1708
1709 Float_t beamEnergy = fGRPData->GetBeamEnergy();
1710 if (beamEnergy==AliGRPObject::GetInvalidFloat()) {
1711 AliError("GRP/GRP/Data entry: missing value for the beam energy ! Using 0");
1712 beamEnergy = 0;
1713 }
1714
1715 TString runType = fGRPData->GetRunType();
1716 if (runType==AliGRPObject::GetInvalidString()) {
1717 AliError("GRP/GRP/Data entry: missing value for the run type ! Using UNKNOWN");
1718 runType = "UNKNOWN";
1719 }
1720
1721 Int_t activeDetectors = fGRPData->GetDetectorMask();
1722 if (activeDetectors==AliGRPObject::GetInvalidUInt()) {
1723 AliError("GRP/GRP/Data entry: missing value for the detector mask ! Using 1074790399");
1724 activeDetectors = 1074790399;
1725 }
1726 AliDebug(1, Form("activeDetectors = %d", activeDetectors));
1727
1728 fRunInfo = new AliRunInfo(lhcState, beamType, beamEnergy, runType, activeDetectors);
1729 fRunInfo->Dump();
1730
1731 // *** Dealing with the magnetic field map
1732
1733 if ( TGeoGlobalMagField::Instance()->IsLocked() ) {
1734 if (TGeoGlobalMagField::Instance()->GetField()->TestBit(AliMagF::kOverrideGRP)) {
1735 AliInfo("ExpertMode!!! GRP information will be ignored !");
1736 AliInfo("ExpertMode!!! Running with the externally locked B field !");
1737 }
1738 else {
1739 AliInfo("Destroying existing B field instance!");
1740 delete TGeoGlobalMagField::Instance();
1741 }
1742 }
1743 if ( !TGeoGlobalMagField::Instance()->IsLocked() ) {
1744 // Construct the field map out of the information retrieved from GRP.
1745 Bool_t ok = kTRUE;
1746 // L3
1747 Float_t l3Current = fGRPData->GetL3Current((AliGRPObject::Stats)0);
1748 if (l3Current == AliGRPObject::GetInvalidFloat()) {
1749 AliError("GRP/GRP/Data entry: missing value for the L3 current !");
1750 ok = kFALSE;
1751 }
1752
1753 Char_t l3Polarity = fGRPData->GetL3Polarity();
1754 if (l3Polarity == AliGRPObject::GetInvalidChar()) {
1755 AliError("GRP/GRP/Data entry: missing value for the L3 polarity !");
1756 ok = kFALSE;
1757 }
1758
1759 // Dipole
1760 Float_t diCurrent = fGRPData->GetDipoleCurrent((AliGRPObject::Stats)0);
1761 if (diCurrent == AliGRPObject::GetInvalidFloat()) {
1762 AliError("GRP/GRP/Data entry: missing value for the dipole current !");
1763 ok = kFALSE;
1764 }
1765
1766 Char_t diPolarity = fGRPData->GetDipolePolarity();
1767 if (diPolarity == AliGRPObject::GetInvalidChar()) {
1768 AliError("GRP/GRP/Data entry: missing value for the dipole polarity !");
1769 ok = kFALSE;
1770 }
1771
1772 // read special bits for the polarity convention and map type
1773 Int_t polConvention = fGRPData->IsPolarityConventionLHC() ? AliMagF::kConvLHC : AliMagF::kConvDCS2008;
1774 Bool_t uniformB = fGRPData->IsUniformBMap();
1775
1776 if (ok) {
1777 AliMagF* fld = AliMagF::CreateFieldMap(TMath::Abs(l3Current) * (l3Polarity ? -1:1),
1778 TMath::Abs(diCurrent) * (diPolarity ? -1:1),
1779 polConvention,uniformB,beamEnergy, beamType.Data());
1780 if (fld) {
1781 TGeoGlobalMagField::Instance()->SetField( fld );
1782 TGeoGlobalMagField::Instance()->Lock();
1783 AliInfo("Running with the B field constructed out of GRP !");
1784 }
1785 else AliFatal("Failed to create a B field map !");
1786 }
1787 else AliFatal("B field is neither set nor constructed from GRP ! Exitig...");
1788 }
1789
1790 return kTRUE;
1791}
1792
1793//====================================================================================================================================================
1794
1795Bool_t AliMuonForwardTrackFinder::SetRunNumber() {
1796
1797 AliCDBManager *man = AliCDBManager::Instance();
1798
1799 if (!fRunLoader) {
1800 AliError("No run loader found!");
1801 return kFALSE;
1802 }
1803 else {
1804 fRunLoader->LoadHeader();
1805 // read run number from gAlice
1806 if (fRunLoader->GetHeader()) {
1807 man->SetRun(fRunLoader->GetHeader()->GetRun());
1808 fRunLoader->UnloadHeader();
1809 }
1810 else {
1811 AliError("No run-loader header found!");
1812 return kFALSE;
1813 }
1814 }
1815
1816 return kTRUE;
1817
1818}
1819
1820//====================================================================================================================================================
1821