3 #include "TClonesArray.h"
8 #include "TGeoManager.h"
10 #include "TParticle.h"
20 #include "TIterator.h"
25 #include "AliRunLoader.h"
26 #include "AliLoader.h"
27 #include "AliHeader.h"
31 #include "AliTracker.h"
32 #include "AliGRPObject.h"
33 #include "AliCDBEntry.h"
34 #include "AliCDBManager.h"
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"
46 #include "AliMuonForwardTrack.h"
47 #include "AliMFTCluster.h"
49 #include "AliMFTSegmentation.h"
50 #include "AliMFTConstants.h"
52 #include "AliMuonForwardTrackFinder.h"
54 //====================================================================================================================================================
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
59 // Contact author: antonio.uras@cern.ch
61 //====================================================================================================================================================
63 const Double_t AliMuonForwardTrackFinder::fRadLengthSi = AliMFTConstants::fRadLengthSi;
65 ClassImp(AliMuonForwardTrackFinder)
67 //=====================================================================================================
69 AliMuonForwardTrackFinder::AliMuonForwardTrackFinder():
75 fSigmaSpectrometerCut(0),
76 fExtrapOriginTransvError(0),
77 fGaussianBlurZVert(0),
78 fNFinalCandidatesCut(0),
83 fDistanceFromGoodClusterAndTrackAtLastPlane(-1),
84 fDistanceFromBestClusterAndTrackAtLastPlane(-1),
89 fNPlanesMFTAnalyzed(0),
90 fNMaxMissingMFTClusters(0),
95 fHistPtSpectrometer(0),
96 fHistPtMuonTrackWithGoodMatch(0),
97 fHistPtMuonTrackWithBadMatch(0),
98 fHistRadiusEndOfAbsorber(0),
99 fHistNGoodClustersForFinalTracks(0),
100 fHistDistanceGoodClusterFromTrackMinusDistanceBestClusterFromTrackAtLastPlane(0),
101 fHistDistanceGoodClusterFromTrackAtLastPlane(0),
103 fNtuFinalCandidates(0),
104 fNtuFinalBestCandidates(0),
109 fTxtTrackGoodClusters(0),
110 fTxtTrackFinalChi2(0),
111 fTxtTrackMomentum(0),
112 fTxtFinalCandidates(0),
115 fTxtClustGoodChi2(0),
119 fMrkClustGoodChi2(0),
123 fCountRealTracksAnalyzed(0),
124 fMaxNTracksToBeAnalyzed(99999999),
125 fCountRealTracksWithRefMC(0),
126 fCountRealTracksWithRefMC_andTrigger(0),
127 fCountRealTracksWithRefMC_andTrigger_andGoodPt(0),
128 fCountRealTracksWithRefMC_andTrigger_andGoodPt_andGoodTheta(0),
129 fCountRealTracksAnalyzedOfEvent(0),
130 fCountRealTracksAnalyzedWithFinalCandidates(0),
142 fFinalBestCandidate(0),
143 fIsCurrentMuonTrackable(0),
154 fMuonForwardTracks(0),
156 fMinResearchRadiusAtLastPlane(0),
162 // Default constructor
164 for (Int_t iPlane=0; iPlane<AliMFTConstants::fNMaxPlanes; iPlane++) {
166 fHistNTracksAfterExtrapolation[iPlane] = 0;
167 fHistChi2Cluster_GoodCluster[iPlane] = 0;
168 fHistChi2Cluster_BadCluster[iPlane] = 0;
169 fHistResearchRadius[iPlane] = 0;
171 fIsGoodClusterInPlane[iPlane] = kFALSE;
173 fHistChi2Cluster_GoodCluster[iPlane] = 0;
174 fHistChi2Cluster_BadCluster[iPlane] = 0;
176 fHistGlobalChi2AtPlaneFor_GOOD_CandidatesOfTrackableMuons[iPlane] = 0;
177 fHistGlobalChi2AtPlaneFor_BAD_CandidatesOfTrackableMuons[iPlane] = 0;
179 fZPlane[iPlane] = 0.;
180 fRPlaneMax[iPlane] = 0.;
181 fRPlaneMin[iPlane] = 0.;
183 for (Int_t i=0; i<4; i++) fGrMFTPlane[i][iPlane] = 0;
184 fCircleExt[iPlane] = 0;
185 fCircleInt[iPlane] = 0;
187 fTxtTrackChi2[iPlane] = 0;
189 fIsClusterCompatible[iPlane] = 0;
191 fMFTClusterArray[iPlane] = 0;
192 fMFTClusterArrayFront[iPlane] = new TClonesArray("AliMFTCluster");
193 fMFTClusterArrayBack[iPlane] = new TClonesArray("AliMFTCluster");
195 fIsPlaneMandatory[iPlane] = kFALSE;
201 fHistDistanceGoodClusterFromTrackMinusDistanceBestClusterFromTrackAtLastPlane = 0;
202 fHistDistanceGoodClusterFromTrackAtLastPlane = 0;
205 fCandidateTracks = 0;
207 fOutputTreeFile = new TFile("MuonGlobalTracks.root", "recreate");
208 fOutputEventTree = new TTree("AliMuonForwardTracks", "Tree of AliMuonForwardTracks");
209 fMuonForwardTracks = new TClonesArray("AliMuonForwardTrack");
210 fOutputEventTree -> Branch("tracks", &fMuonForwardTracks);
214 //=====================================================================================================
216 AliMuonForwardTrackFinder::~AliMuonForwardTrackFinder() {
218 for (Int_t iPlane=0; iPlane<AliMFTConstants::fNMaxPlanes; iPlane++) {
220 delete fHistNTracksAfterExtrapolation[iPlane];
221 delete fHistChi2Cluster_GoodCluster[iPlane];
222 delete fHistChi2Cluster_BadCluster[iPlane];
223 delete fHistResearchRadius[iPlane];
225 delete fHistChi2Cluster_GoodCluster[iPlane];
226 delete fHistChi2Cluster_BadCluster[iPlane];
228 delete fHistGlobalChi2AtPlaneFor_GOOD_CandidatesOfTrackableMuons[iPlane];
229 delete fHistGlobalChi2AtPlaneFor_BAD_CandidatesOfTrackableMuons[iPlane];
231 for (Int_t i=0; i<4; i++) delete fGrMFTPlane[i][iPlane];
232 delete fCircleExt[iPlane];
233 delete fCircleInt[iPlane];
235 delete fTxtTrackChi2[iPlane];
237 delete fMFTClusterArray[iPlane];
238 delete fMFTClusterArrayFront[iPlane];
239 delete fMFTClusterArrayBack[iPlane];
243 delete fNtuFinalCandidates;
244 delete fNtuFinalBestCandidates;
246 delete fHistPtSpectrometer;
247 delete fHistPtMuonTrackWithGoodMatch;
248 delete fHistPtMuonTrackWithBadMatch;
249 delete fHistRadiusEndOfAbsorber;
251 delete fHistNGoodClustersForFinalTracks;
252 delete fHistDistanceGoodClusterFromTrackMinusDistanceBestClusterFromTrackAtLastPlane; //
253 delete fHistDistanceGoodClusterFromTrackAtLastPlane; //
257 delete fTxtMuonHistory;
258 delete fTxtTrackGoodClusters;
259 delete fTxtTrackFinalChi2;
260 delete fTxtTrackMomentum;
261 delete fTxtFinalCandidates;
264 delete fTxtClustGoodChi2;
266 delete fTxtClustOfTrack;
268 delete fMrkClustGoodChi2;
270 delete fMrkClustOfTrack;
278 delete fMuonRecoCheck;
280 delete fMFTClusterTree;
282 delete fMuonTrackReco;
283 delete fCurrentTrack;
284 delete fFinalBestCandidate;
286 delete fCandidateTracks;
289 delete fTrackRefStore;
296 delete fSegmentation;
298 delete fOutputTreeFile;
299 delete fOutputQAFile;
300 delete fOutputEventTree;
302 delete fMuonForwardTracks;
309 //=====================================================================================================
311 void AliMuonForwardTrackFinder::Init(Int_t nRun,
314 Int_t nEventsToAnalyze) {
317 AliInfo("WARNING: run already initialized!!\n");
324 AliInfo(Form("input dir = %s\n", fReadDir.Data()));
325 AliInfo(Form("output dir = %s\n", fOutDir.Data()));
327 // -------------------------- initializing files...
329 AliInfo(Form("initializing files for run %d...\n", fRun));
331 Char_t geoFileName[300];
332 Char_t esdFileName[300];
333 Char_t gAliceName[300];
334 Char_t clusterName[300];
336 sprintf(geoFileName , "%s/geometry.root", fReadDir.Data());
337 sprintf(esdFileName , "%s/AliESDs.root" , fReadDir.Data());
338 sprintf(gAliceName , "%s/galice.root" , fReadDir.Data());
339 sprintf(clusterName , "%s/MFT.RecPoints.root", fReadDir.Data());
341 // Import TGeo geometry (needed by AliMUONTrackExtrap::ExtrapToVertex)
343 TGeoManager::Import(geoFileName);
345 AliError(Form("getting geometry from file %s failed", geoFileName));
350 fFileESD = new TFile(esdFileName);
351 if (!fFileESD || !fFileESD->IsOpen()) return;
352 else AliInfo(Form("file %s successfully opened\n", fFileESD->GetName()));
354 fMuonRecoCheck = new AliMUONRecoCheck(esdFileName, Form("%s/generated/", fReadDir.Data())); // Utility class to check reconstruction
355 fFile_gAlice = new TFile(gAliceName);
356 if (!fFile_gAlice || !fFile_gAlice->IsOpen()) return;
357 else AliInfo(Form("file %s successfully opened\n", fFile_gAlice->GetName()));
359 fRunLoader = AliRunLoader::Open(gAliceName);
360 gAlice = fRunLoader->GetAliRun();
361 if (!gAlice) fRunLoader->LoadgAlice();
362 fMFT = (AliMFT*) gAlice->GetDetector("MFT");
363 fSegmentation = fMFT->GetSegmentation();
364 SetNPlanesMFT(fSegmentation->GetNPlanes());
366 if (!SetRunNumber()) return;
367 if (!InitGRP()) return;
368 AliMUONTrackExtrap::SetField(); // set the magnetic field for track extrapolations
370 for (Int_t iPlane=0; iPlane<fNPlanesMFT; iPlane++) {
371 fZPlane[iPlane] = fSegmentation->GetPlane(iPlane)->GetZCenter();
372 fRPlaneMax[iPlane] = fSegmentation->GetPlane(iPlane)->GetRMaxSupport();
373 fRPlaneMin[iPlane] = fSegmentation->GetPlane(iPlane)->GetRMinSupport();
376 // Loading MFT clusters
377 fMFTLoader = fRunLoader->GetDetectorLoader("MFT");
378 fMFTLoader->LoadRecPoints("READ");
380 fMFTClusterTree = fMFTLoader->TreeR();
382 Int_t nEventsInFile = fMuonRecoCheck->NumberOfEvents();
383 if (!nEventsInFile) {
384 AliError("no events available!!!\n");
387 if (nEventsInFile<nEventsToAnalyze || nEventsToAnalyze<0) fNEventsToAnalyze = nEventsInFile;
388 else fNEventsToAnalyze = nEventsToAnalyze;
390 fCandidateTracks = new TClonesArray("AliMuonForwardTrack",50000);
392 // -------------------------- initializing histograms...
394 AliInfo("\ninitializing histograms...\n");
397 AliInfo("... done!\n\n");
399 // -------------------------- initializing graphics...
401 AliInfo("initializing graphics...\n");
403 AliInfo("... done!\n\n");
405 SetSigmaSpectrometerCut(4.0);
406 SetSigmaClusterCut(4.5);
407 SetChi2GlobalCut(2.0);
408 SetNFinalCandidatesCut(10);
409 SetRAbsorberCut(26.4);
411 SetExtrapOriginTransvError(1.0);
415 //======================================================================================================================================
417 Bool_t AliMuonForwardTrackFinder::LoadNextEvent() {
419 // load next reconstructed event from the tree
421 if (fEv) FillOutputTree();
423 if (fEv>=fNEventsToAnalyze) return kFALSE;
425 fCountRealTracksAnalyzedOfEvent = 0;
427 AliInfo(Form(" **** analyzing event # %d \n", fEv));
429 fTrackStore = fMuonRecoCheck->ReconstructedTracks(fEv);
430 fTrackRefStore = fMuonRecoCheck->ReconstructibleTracks(fEv);
432 fRunLoader->GetEvent(fEv);
433 if (!fMFTLoader->TreeR()->GetEvent()) return kFALSE;
434 for (Int_t iPlane=0; iPlane<fNPlanesMFT; iPlane++) {
435 AliDebug(1, Form("plane %02d: nClusters = %d\n", iPlane, (fMFT->GetRecPointsList(iPlane))->GetEntries()));
436 fMFTClusterArray[iPlane] = fMFT->GetRecPointsList(iPlane);
438 SeparateFrontBackClusters();
440 fRunLoader -> LoadKinematics();
441 fStack = fRunLoader->Stack();
442 fNextTrack = fTrackStore->CreateIterator();
443 fMuonForwardTracks->Clear();
451 //======================================================================================================================================
453 Int_t AliMuonForwardTrackFinder::LoadNextTrack() {
455 fNPlanesMFTAnalyzed = 0;
457 // load next muon track from the reconstructed event
459 if (fCountRealTracksAnalyzed>fMaxNTracksToBeAnalyzed) return kFALSE;
461 if (!fCountRealTracksAnalyzed) if (!LoadNextEvent()) return kFALSE;
462 if (fCountRealTracksAnalyzed==fMaxNTracksToBeAnalyzed) {
463 fCountRealTracksAnalyzed++;
464 if (!LoadNextEvent()) return kFALSE;
467 while ( !(fMuonTrackReco = static_cast<AliMUONTrack*>(fNextTrack->Next())) ) if (!LoadNextEvent()) return kFALSE;
469 AliDebug(1, "**************************************************************************************\n");
470 AliDebug(1, Form("*************************** MUON TRACK %3d ***************************************\n", fCountRealTracksAnalyzedOfEvent));
471 AliDebug(1, "**************************************************************************************\n");
473 fCountRealTracksAnalyzed++;
475 fCandidateTracks -> Clear();
478 fDistanceFromGoodClusterAndTrackAtLastPlane = -1.;
479 fDistanceFromBestClusterAndTrackAtLastPlane = -1.;
482 TIter nextTrackRef(fTrackRefStore->CreateIterator());
483 AliMUONTrack *trackRef=0;
485 // --------------------------------------- loop on MC generated tracks to find the MC reference...
487 while ( (trackRef = static_cast<AliMUONTrack*>(nextTrackRef())) ) {
488 // number of compatible clusters between trackReco and trackRef
489 Int_t nMatchCluster = fMuonTrackReco->FindCompatibleClusters(*trackRef, fSigmaSpectrometerCut, fIsClusterCompatible);
490 if ( (fIsClusterCompatible[0] || fIsClusterCompatible[1] || fIsClusterCompatible[2] || fIsClusterCompatible[3]) && // before the dipole
491 (fIsClusterCompatible[6] || fIsClusterCompatible[7] || fIsClusterCompatible[8] || fIsClusterCompatible[9]) && // after the dipole
492 2*nMatchCluster>fMuonTrackReco->GetNClusters() ) {
493 fMuonTrackReco->SetMCLabel(trackRef->GetUniqueID()); // MC reference has been found for trackReco!
498 // ------------------------------------- ...done!
500 if (fMuonTrackReco->GetMCLabel()>=0) fCountRealTracksWithRefMC++;
502 fLabelMC = fMuonTrackReco->GetMCLabel();
504 CheckCurrentMuonTrackable();
506 if (fMuonTrackReco->GetMatchTrigger()) fCountRealTracksWithRefMC_andTrigger++;
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);
511 if (fLabelMC>=0 && fStack->Particle(fLabelMC)) track -> SetMCTrackRef(fStack->Particle(fLabelMC));
512 track -> SetMCLabel(fMuonTrackReco->GetMCLabel());
513 track -> SetMatchTrigger(fMuonTrackReco->GetMatchTrigger());
515 // track parameters at the first tracking station in the Muon Spectrometer
516 AliMUONTrackParam *param = (AliMUONTrackParam*) (fMuonTrackReco->GetTrackParamAtCluster()->First());
517 Double_t ptSpectrometer = TMath::Sqrt(param->Px()*param->Px() + param->Py()*param->Py());
518 Double_t thetaSpectrometer = TMath::ATan(ptSpectrometer/param->Pz());
519 if (thetaSpectrometer<0.) thetaSpectrometer += TMath::Pi();
520 Double_t etaSpectrometer = -1.*TMath::Log(TMath::Tan(0.5*thetaSpectrometer));
521 // fOutputQAFile->cd();
522 fHistPtSpectrometer -> Fill(ptSpectrometer);
524 // if the transverse momentum in the Muon Spectrometer is smaller than the threshold, skip to the next track
525 if (ptSpectrometer < fLowPtCut) return 3;
527 // track parameters linearly extrapolated from the first tracking station to the end of the absorber
528 AliMUONTrackParam trackParamEndOfAbsorber(*((AliMUONTrackParam*)(fMuonTrackReco->GetTrackParamAtCluster()->First())));
529 AliMUONTrackExtrap::ExtrapToZCov(&trackParamEndOfAbsorber, -503.); // absorber extends from -90 to -503 cm
530 Double_t xEndOfAbsorber = trackParamEndOfAbsorber.GetNonBendingCoor();
531 Double_t yEndOfAbsorber = trackParamEndOfAbsorber.GetBendingCoor();
532 Double_t rAbsorber = TMath::Sqrt(xEndOfAbsorber*xEndOfAbsorber + yEndOfAbsorber*yEndOfAbsorber);
533 // fOutputQAFile->cd();
534 fHistRadiusEndOfAbsorber -> Fill(rAbsorber);
536 // if the radial distance of the track at the end of the absorber is smaller than a radius corresponding to
537 // 3 degrees as seen from the interaction point, skip to the next track
538 if (rAbsorber < fRAbsorberCut) return 4;
540 //------------------------- NOW THE CYCLE OVER THE MFT PLANES STARTS ---------------------------------------
542 for (Int_t iPlane=fNPlanesMFT-1; iPlane>=0; iPlane--) { // *** do not reverse the order of this cycle!!!
543 // *** this reflects the fact that the extrapolation is performed
544 // *** starting from the last MFT plane back to the origin
546 // --------- updating the array of tracks according to the clusters available in the i-th plane ---------
548 fNPlanesMFTAnalyzed++;
550 if (fMatchingMode==kRealMatching) {
551 Int_t nTracksToBeAnalyzed = fCandidateTracks->GetEntriesFast();
552 for (Int_t iTrack=0; iTrack<nTracksToBeAnalyzed; iTrack++) {
553 fCurrentTrack = (AliMuonForwardTrack*) fCandidateTracks->UncheckedAt(iTrack);
554 // if the old track is compatible with the new cluster, the track is updated and inserted as new track in the array
555 // (several new tracks can be created for one old track)
556 FindClusterInPlane(iPlane);
557 if ((fNPlanesMFTAnalyzed-fCurrentTrack->GetNMFTClusters())>fNMaxMissingMFTClusters || fIsPlaneMandatory[iPlane]) {
558 fCandidateTracks->Remove(fCurrentTrack); // the old track is removed after the check;
561 fCandidateTracks->Compress();
562 if (fIsCurrentMuonTrackable) {
563 // fOutputQAFile->cd();
564 fHistNTracksAfterExtrapolation[iPlane] -> Fill(fCandidateTracks->GetEntriesFast());
568 else if (fMatchingMode==kIdealMatching && fIsCurrentMuonTrackable) {
569 fCurrentTrack = (AliMuonForwardTrack*) fCandidateTracks->UncheckedAt(0);
570 AliDebug(2, Form("plane %02d: fCandidateTracks->GetEntriesFast() = %d fCandidateTracks->UncheckedAt(0) = %p fCurrentTrack = %p\n",
571 iPlane, fCandidateTracks->GetEntriesFast(), fCandidateTracks->UncheckedAt(0), fCurrentTrack));
572 AttachGoodClusterInPlane(iPlane);
577 // -------------------------- END OF THE CYCLE OVER THE MFT PLANES --------------------------------------------
579 AliDebug(1, "Finished cycle over planes");
581 Double_t momentum = ptSpectrometer * TMath::CosH(etaSpectrometer);
582 fTxtTrackMomentum = new TLatex(0.10, 0.70, Form("P_{spectro} = %3.1f GeV/c", momentum));
584 if (fMatchingMode==kIdealMatching) {
585 AliDebug(1, "Adding track to output tree...\n");
586 fFinalBestCandidate = (AliMuonForwardTrack*) fCandidateTracks->UncheckedAt(0);
587 AliMuonForwardTrack *newTrack = (AliMuonForwardTrack*) fCandidateTracks->UncheckedAt(0);
588 new ((*fMuonForwardTracks)[fMuonForwardTracks->GetEntries()]) AliMuonForwardTrack(*newTrack);
589 AliDebug(1, "...track added!\n");
590 fCandidateTracks->Clear();
591 fCountRealTracksAnalyzedOfEvent++;
592 fCountRealTracksAnalyzedWithFinalCandidates++;
593 PrintParticleHistory();
594 FillPlanesWithTrackHistory();
596 Double_t chi2AtPlane[fNMaxPlanes] = {0};
597 Int_t nGoodClusters = 0;
598 Int_t nMFTClusters = fFinalBestCandidate->GetNMFTClusters();
599 // Int_t nMUONClusters = fFinalBestCandidate->GetNMUONClusters();
601 for (Int_t iCluster=0; iCluster<nMFTClusters; iCluster++) {
602 while (!fFinalBestCandidate->PlaneExists(plane)) plane++;
603 AliMFTCluster *localCluster = fFinalBestCandidate->GetMFTCluster(iCluster);
604 chi2AtPlane[plane] = localCluster->GetLocalChi2();
605 if (IsCorrectMatch(localCluster)) nGoodClusters++;
606 // Int_t nClustersGlobalTrack = nMUONClusters + (nMFTClusters-iCluster); // Muon Spectrometer clusters + clusters in the Vertex Telescope
607 // Int_t ndfGlobalTrack = GetNDF(nClustersGlobalTrack);
608 // chi2AtPlane[plane] /= Double_t(ndfGlobalTrack);
611 for (Int_t iPlane=0; iPlane<fNPlanesMFT; iPlane++) {
612 fTxtTrackChi2[iPlane] = new TLatex(0.55*fRPlaneMax[fNPlanesMFT-1],
613 0.90*fRPlaneMax[fNPlanesMFT-1],
614 Form("#chi^{2} = %3.1f", chi2AtPlane[iPlane]));
616 fTxtTrackFinalChi2 = new TLatex(0.20, 0.44, Form("#chi^{2}_{final} = %3.1f", chi2AtPlane[0]));
618 if (fDrawOption) DrawPlanes();
622 // If we have several final tracks, we must find the best candidate:
624 Int_t nFinalTracks = fCandidateTracks->GetEntriesFast();
625 AliDebug(1, Form("nFinalTracks = %d", nFinalTracks));
627 if (nFinalTracks) fCountRealTracksAnalyzedWithFinalCandidates++;
629 Double_t theVariable_Best = -1.; // variable defining the best candidate
630 Bool_t bestCandidateExists = kFALSE;
631 Int_t nGoodClustersBestCandidate = 0;
632 Int_t idBestCandidate = 0;
633 Double_t chi2HistoryForBestCandidate[fNMaxPlanes] = {0}; // chi2 on each plane, for the best candidate
634 Double_t nClustersPerPlane[fNMaxPlanes] = {0};
635 for (Int_t iPlane=0; iPlane<fNPlanesMFT; iPlane++) {
636 chi2HistoryForBestCandidate[iPlane] = -1.;
637 nClustersPerPlane[iPlane] = fMFTClusterArray[iPlane] -> GetEntries();
640 fTxtFinalCandidates = new TLatex(0.10, 0.78, Form("N_{FinalCandidates} = %d", nFinalTracks));
642 Int_t nClustersMC = 0;
643 for (Int_t iPlane=0; iPlane<fNPlanesMFT; iPlane++) nClustersMC += fIsGoodClusterInPlane[iPlane];
645 for (Int_t iTrack=0; iTrack<nFinalTracks; iTrack++) {
647 AliMuonForwardTrack *finalTrack = (AliMuonForwardTrack*) fCandidateTracks->UncheckedAt(iTrack);
649 Double_t chi2AtPlane[fNMaxPlanes] = {0};
650 Int_t nGoodClusters = 0;
651 Int_t nMFTClusters = finalTrack->GetNMFTClusters();
652 // Int_t nMUONClusters = finalTrack->GetNMUONClusters();
655 for (Int_t iCluster=0; iCluster<nMFTClusters; iCluster++) {
656 while (!finalTrack->PlaneExists(plane)) plane++;
657 AliMFTCluster *localCluster = finalTrack->GetMFTCluster(iCluster);
658 chi2AtPlane[plane] = localCluster->GetLocalChi2();
659 if (IsCorrectMatch(localCluster)) nGoodClusters++;
660 // Int_t nClustersGlobalTrack = nMUONClusters + (nMFTClusters-iCluster); // Muon Spectrometer clusters + clusters in the Vertex Telescope
661 // Int_t ndfGlobalTrack = GetNDF(nClustersGlobalTrack);
662 // chi2AtPlane[plane] /= Double_t(ndfGlobalTrack);
666 if (fIsCurrentMuonTrackable) {
667 // fOutputQAFile->cd();
668 fHistNGoodClustersForFinalTracks -> Fill(nGoodClusters);
671 // fOutputQAFile->cd();
673 Float_t finalCandidatesInfo[] = {Double_t(fRun),
675 Double_t(fCountRealTracksAnalyzedOfEvent),
676 Double_t(nFinalTracks),
677 Double_t(nClustersMC),
678 Double_t(nGoodClusters),
692 fNtuFinalCandidates -> Fill(finalCandidatesInfo);
694 // now comparing the tracks with various criteria, in order to find the best one
696 Double_t theVariable = 0.;
697 // theVariable = chi2AtPlane[0];
698 for (Int_t iCluster=0; iCluster<nMFTClusters; iCluster++) theVariable += chi2AtPlane[iCluster];
699 theVariable /= Double_t(nMFTClusters);
702 if (theVariable<theVariable_Best || theVariable_Best<0.) {
703 nGoodClustersBestCandidate = nGoodClusters;
704 for (Int_t iPlane=0; iPlane<fNPlanesMFT; iPlane++) chi2HistoryForBestCandidate[iPlane] = chi2AtPlane[iPlane];
705 theVariable_Best = theVariable;
706 fTxtTrackFinalChi2 = new TLatex(0.20, 0.44, Form("#chi^{2}_{final} = %3.1f", chi2HistoryForBestCandidate[0]));
707 for (Int_t iPlane=0; iPlane<fNPlanesMFT; iPlane++) {
708 fTxtTrackChi2[iPlane] = new TLatex(0.55*fRPlaneMax[fNPlanesMFT-1],
709 0.90*fRPlaneMax[fNPlanesMFT-1],
710 Form("#chi^{2} = %3.1f", chi2AtPlane[iPlane]));
712 idBestCandidate = iTrack;
713 bestCandidateExists=kTRUE;
716 // ----------------------------------------------------------
721 fFinalBestCandidate = (AliMuonForwardTrack*) fCandidateTracks->UncheckedAt(idBestCandidate);
722 AliInfo(Form("fFinalBestCandidate->GetNMFTClusters() = %d\n", fFinalBestCandidate->GetNMFTClusters()));
723 PrintParticleHistory();
724 FillPlanesWithTrackHistory();
725 AliMuonForwardTrack *newTrack = (AliMuonForwardTrack*) fCandidateTracks->UncheckedAt(idBestCandidate);
726 newTrack -> SetNWrongClustersMC(newTrack->GetNMFTClusters() - nGoodClustersBestCandidate);
727 new ((*fMuonForwardTracks)[fMuonForwardTracks->GetEntries()]) AliMuonForwardTrack(*newTrack);
730 // fOutputQAFile->cd();
732 Float_t finalBestCandidatesInfo[] = {Double_t(fRun),
734 Double_t(fCountRealTracksAnalyzedOfEvent),
735 Double_t(nFinalTracks),
736 Double_t(nClustersMC),
737 Double_t(nGoodClustersBestCandidate),
741 chi2HistoryForBestCandidate[0],
742 chi2HistoryForBestCandidate[1],
743 chi2HistoryForBestCandidate[2],
744 chi2HistoryForBestCandidate[3],
745 chi2HistoryForBestCandidate[4],
746 chi2HistoryForBestCandidate[5],
747 chi2HistoryForBestCandidate[6],
748 chi2HistoryForBestCandidate[7],
749 chi2HistoryForBestCandidate[8],
750 nClustersPerPlane[0],
751 nClustersPerPlane[1],
752 nClustersPerPlane[2],
753 nClustersPerPlane[3],
754 nClustersPerPlane[4],
755 nClustersPerPlane[5],
756 nClustersPerPlane[6],
757 nClustersPerPlane[7],
758 nClustersPerPlane[8]};
760 fNtuFinalBestCandidates -> Fill(finalBestCandidatesInfo);
762 if (fDrawOption && bestCandidateExists) {
763 fTxtTrackGoodClusters = new TLatex(0.20, 0.51, Form("N_{GoodClusters} = %d", nGoodClustersBestCandidate));
767 if (fIsCurrentMuonTrackable) {
768 // fOutputQAFile->cd();
769 if (nGoodClustersBestCandidate==5) fHistPtMuonTrackWithGoodMatch -> Fill(ptSpectrometer);
770 else fHistPtMuonTrackWithBadMatch -> Fill(ptSpectrometer);
773 // -------------------------------------------------------------------------------------------
775 fCandidateTracks->Clear();
776 fFinalBestCandidate = NULL;
778 fCountRealTracksAnalyzedOfEvent++;
784 //===========================================================================================================================================
786 void AliMuonForwardTrackFinder::FindClusterInPlane(Int_t planeId) {
788 AliDebug(2, Form(">>>> executing AliMuonForwardTrackFinder::FindClusterInPlane(%d)\n", planeId));
790 // !!!!!!!!! coordinates and errors on the interaction vertex should be taken from the event itself (ITS) if available
792 // propagate track to plane #planeId (both to front and back active sensors)
793 // look for compatible clusters
794 // update TrackParam at found cluster (if any) using Kalman Filter
796 AliMUONTrackParam currentParamFront, currentParamBack, currentParamForResearchFront, currentParamForResearchBack;
798 if (planeId == fNPlanesMFT-1) { // last plane of the telecope
799 currentParamFront = (*((AliMUONTrackParam*)(fMuonTrackReco->GetTrackParamAtCluster()->First())));
800 currentParamBack = (*((AliMUONTrackParam*)(fMuonTrackReco->GetTrackParamAtCluster()->First())));
801 currentParamForResearchFront = currentParamFront;
802 currentParamForResearchBack = currentParamBack;
803 AliMUONTrackExtrap::ExtrapToVertexWithoutBranson(¤tParamFront, 0.);
804 AliMUONTrackExtrap::ExtrapToVertexWithoutBranson(¤tParamBack, 0.);
805 AliMUONTrackExtrap::ExtrapToVertex(¤tParamForResearchFront, 0., 0., gRandom->Gaus(0,fGaussianBlurZVert), fExtrapOriginTransvError, fExtrapOriginTransvError);
806 AliMUONTrackExtrap::ExtrapToVertex(¤tParamForResearchBack, 0., 0., gRandom->Gaus(0,fGaussianBlurZVert), fExtrapOriginTransvError, fExtrapOriginTransvError);
808 else { // MFT planes others than the last one: mult. scattering correction because of the upstream MFT planes is performed
809 currentParamFront = (*((AliMUONTrackParam*)(fCurrentTrack->GetTrackParamAtCluster()->First())));
810 currentParamBack = (*((AliMUONTrackParam*)(fCurrentTrack->GetTrackParamAtCluster()->First())));
811 currentParamForResearchFront = currentParamFront;
812 currentParamForResearchBack = currentParamBack;
813 AliMUONTrackExtrap::AddMCSEffect(¤tParamFront, (fSegmentation->GetPlane(planeId+1)->GetEquivalentSilicon()+
814 fSegmentation->GetPlane(planeId)->GetEquivalentSiliconBeforeFront())/fRadLengthSi,-1.);
815 AliMUONTrackExtrap::AddMCSEffect(¤tParamForResearchFront,(fSegmentation->GetPlane(planeId+1)->GetEquivalentSilicon()+
816 fSegmentation->GetPlane(planeId)->GetEquivalentSiliconBeforeFront())/fRadLengthSi,-1.);
817 AliMUONTrackExtrap::AddMCSEffect(¤tParamBack, (fSegmentation->GetPlane(planeId+1)->GetEquivalentSilicon()+
818 fSegmentation->GetPlane(planeId)->GetEquivalentSiliconBeforeBack())/fRadLengthSi,-1.);
819 AliMUONTrackExtrap::AddMCSEffect(¤tParamForResearchBack, (fSegmentation->GetPlane(planeId+1)->GetEquivalentSilicon()+
820 fSegmentation->GetPlane(planeId)->GetEquivalentSiliconBeforeBack())/fRadLengthSi,-1.);
822 // for all planes: extrapolation to the Z of the plane
823 AliMUONTrackExtrap::ExtrapToZCov(¤tParamFront, -1.*fSegmentation->GetPlane(planeId)->GetZCenterActiveFront());
824 AliMUONTrackExtrap::ExtrapToZCov(¤tParamForResearchFront, -1.*fSegmentation->GetPlane(planeId)->GetZCenterActiveFront());
825 AliMUONTrackExtrap::ExtrapToZCov(¤tParamBack, -1.*fSegmentation->GetPlane(planeId)->GetZCenterActiveBack());
826 AliMUONTrackExtrap::ExtrapToZCov(¤tParamForResearchBack, -1.*fSegmentation->GetPlane(planeId)->GetZCenterActiveBack());
828 //---------------------------------------------------------------------------------------
830 TMatrixD covFront(5,5); covFront = currentParamForResearchFront.GetCovariances();
831 TMatrixD covBack(5,5); covBack = currentParamForResearchBack.GetCovariances();
833 Double_t squaredError_X_Front = covFront(0,0);
834 Double_t squaredError_Y_Front = covFront(2,2);
835 Double_t squaredError_X_Back = covBack(0,0);
836 Double_t squaredError_Y_Back = covBack(2,2);
838 Double_t corrFact = 1.0;
840 Double_t researchRadiusFront = TMath::Sqrt(squaredError_X_Front + squaredError_Y_Front);
841 Double_t researchRadiusBack = TMath::Sqrt(squaredError_X_Back + squaredError_Y_Back);
842 if (planeId==fNPlanesMFT-1 && 0.5*(researchRadiusFront+researchRadiusBack)<fMinResearchRadiusAtLastPlane) {
843 corrFact = fMinResearchRadiusAtLastPlane/(0.5*(researchRadiusFront+researchRadiusBack));
845 if (fIsCurrentMuonTrackable) {
846 // fOutputQAFile->cd();
847 fHistResearchRadius[planeId] -> Fill(0.5*(researchRadiusFront+researchRadiusBack));
850 Double_t position_X_Front = currentParamForResearchFront.GetNonBendingCoor();
851 Double_t position_Y_Front = currentParamForResearchFront.GetBendingCoor();
852 Double_t position_X_Back = currentParamForResearchBack.GetNonBendingCoor();
853 Double_t position_Y_Back = currentParamForResearchBack.GetBendingCoor();
854 Double_t radialPositionOfTrackFront = TMath::Sqrt(position_X_Front*position_X_Front + position_Y_Front*position_Y_Front);
855 Double_t radialPositionOfTrackBack = TMath::Sqrt(position_X_Back*position_X_Back + position_Y_Back*position_Y_Back);
857 //---------------------------------------------------------------------------------------
859 Double_t chi2cut = 2.*fSigmaClusterCut*fSigmaClusterCut; // depends on the number of variables (here, 2)
861 // Analyizing the clusters: FRONT ACTIVE ELEMENTS
863 Int_t nClustersFront = fMFTClusterArrayFront[planeId]->GetEntries();
864 AliDebug(2, Form("There are %3d clusters in plane %02d FRONT\n", nClustersFront, planeId));
866 for (Int_t iCluster=0; iCluster<nClustersFront; iCluster++) {
868 Bool_t isGoodChi2 = kFALSE;
870 AliMFTCluster *cluster = (AliMFTCluster*) fMFTClusterArrayFront[planeId]->At(iCluster);
871 Double_t chi2 = (1./(corrFact*corrFact)) * TryOneCluster(currentParamForResearchFront, cluster); // describes the compatibility between the track and the cluster
872 if (chi2<chi2cut) isGoodChi2 = kTRUE;
874 Double_t radialPositionOfClusterFront = TMath::Sqrt(cluster->GetX()*cluster->GetX() + cluster->GetY()*cluster->GetY());
875 if (planeId == fNPlanesMFT-1) {
876 if (TMath::Abs(radialPositionOfTrackFront-radialPositionOfClusterFront)<fDistanceFromBestClusterAndTrackAtLastPlane ||
877 fDistanceFromBestClusterAndTrackAtLastPlane<0.) {
878 fDistanceFromBestClusterAndTrackAtLastPlane = TMath::Abs(radialPositionOfTrackFront-radialPositionOfClusterFront);
880 if (IsCorrectMatch(cluster)) {
881 fDistanceFromGoodClusterAndTrackAtLastPlane = TMath::Abs(radialPositionOfTrackFront-radialPositionOfClusterFront);
885 if (fIsCurrentMuonTrackable) {
886 // fOutputQAFile->cd();
887 if (IsCorrectMatch(cluster)) fHistChi2Cluster_GoodCluster[planeId]->Fill(chi2/2.); // chi2/ndf
888 else fHistChi2Cluster_BadCluster[planeId] ->Fill(chi2/2.); // chi2/ndf
892 AliDebug(3, Form("accepting cluster: chi2=%f (cut = %f)\n", chi2, chi2cut));
893 AliMuonForwardTrack *newTrack = new ((*fCandidateTracks)[fCandidateTracks->GetEntriesFast()]) AliMuonForwardTrack(*fCurrentTrack);
894 newTrack->AddTrackParamAtMFTCluster(currentParamFront, *cluster); // creating new track param and attaching the cluster
895 AliDebug(1, Form("After plane %02d: newTrack->GetNMFTClusters() = %d (fCurrentTrack->GetNMFTClusters() = %d)",
896 planeId, newTrack->GetNMFTClusters(), fCurrentTrack->GetNMFTClusters()));
897 newTrack->SetPlaneExists(planeId);
898 AliDebug(2, Form("current muon is trackable: %d\n", fIsCurrentMuonTrackable));
899 if (fIsCurrentMuonTrackable) {
900 Double_t newGlobalChi2 = ((AliMUONTrackParam*) newTrack->GetTrackParamAtCluster()->First())->GetTrackChi2();
901 AliDebug(2, Form("new chi2 = %f (= %f)\n", newGlobalChi2, newTrack->GetMFTCluster(0)->GetTrackChi2()));
902 Int_t nClustersGlobalTrack = newTrack->GetNMUONClusters() + newTrack->GetNMFTClusters(); // Muon Spectrometer clusters + clusters in the Vertex Telescope
903 Int_t ndfGlobalTrack = GetNDF(nClustersGlobalTrack);
904 // fOutputQAFile->cd();
905 if (IsCorrectMatch(cluster)) fHistGlobalChi2AtPlaneFor_GOOD_CandidatesOfTrackableMuons[planeId]->Fill(newGlobalChi2/Double_t(ndfGlobalTrack));
906 else fHistGlobalChi2AtPlaneFor_BAD_CandidatesOfTrackableMuons[planeId] ->Fill(newGlobalChi2/Double_t(ndfGlobalTrack));
908 fGrMFTPlane[kClustersGoodChi2][planeId] -> SetPoint(fGrMFTPlane[kClustersGoodChi2][planeId]->GetN(), cluster->GetX(), cluster->GetY());
910 else AliDebug(3, Form("discarding cluster: chi2=%f (cut = %f)\n", chi2, chi2cut));
914 // Analyizing the clusters: BACK ACTIVE ELEMENTS
916 Int_t nClustersBack = fMFTClusterArrayBack[planeId]->GetEntries();
917 AliDebug(2, Form("There are %3d clusters in plane %02d BACK\n", nClustersBack, planeId));
919 for (Int_t iCluster=0; iCluster<nClustersBack; iCluster++) {
921 Bool_t isGoodChi2 = kFALSE;
923 AliMFTCluster *cluster = (AliMFTCluster*) fMFTClusterArrayBack[planeId]->At(iCluster);
924 Double_t chi2 = (1./(corrFact*corrFact)) * TryOneCluster(currentParamForResearchBack, cluster); // describes the compatibility between the track and the cluster
925 if (chi2<chi2cut) isGoodChi2 = kTRUE;
927 Double_t radialPositionOfClusterBack = TMath::Sqrt(cluster->GetX()*cluster->GetX() + cluster->GetY()*cluster->GetY());
928 if (planeId == fNPlanesMFT-1) {
929 if (TMath::Abs(radialPositionOfTrackBack-radialPositionOfClusterBack)<fDistanceFromBestClusterAndTrackAtLastPlane ||
930 fDistanceFromBestClusterAndTrackAtLastPlane<0.) {
931 fDistanceFromBestClusterAndTrackAtLastPlane = TMath::Abs(radialPositionOfTrackBack-radialPositionOfClusterBack);
933 if (IsCorrectMatch(cluster)) {
934 fDistanceFromGoodClusterAndTrackAtLastPlane = TMath::Abs(radialPositionOfTrackBack-radialPositionOfClusterBack);
938 if (fIsCurrentMuonTrackable) {
939 // fOutputQAFile->cd();
940 if (IsCorrectMatch(cluster)) fHistChi2Cluster_GoodCluster[planeId]->Fill(chi2/2.); // chi2/ndf
941 else fHistChi2Cluster_BadCluster[planeId] ->Fill(chi2/2.); // chi2/ndf
945 AliDebug(3,Form("accepting cluster: chi2=%f (cut = %f)\n", chi2, chi2cut));
946 AliMuonForwardTrack *newTrack = new ((*fCandidateTracks)[fCandidateTracks->GetEntriesFast()]) AliMuonForwardTrack(*fCurrentTrack);
947 newTrack->AddTrackParamAtMFTCluster(currentParamBack, *cluster); // creating new track param and attaching the cluster
948 AliDebug(1, Form("After plane %02d: newTrack->GetNMFTClusters() = %d (fCurrentTrack->GetNMFTClusters() = %d)",
949 planeId, newTrack->GetNMFTClusters(), fCurrentTrack->GetNMFTClusters()));
950 newTrack->SetPlaneExists(planeId);
951 AliDebug(2, Form("current muon is trackable: %d\n", fIsCurrentMuonTrackable));
952 if (fIsCurrentMuonTrackable) {
953 Double_t newGlobalChi2 = ((AliMUONTrackParam*) newTrack->GetTrackParamAtCluster()->First())->GetTrackChi2();
954 AliDebug(2, Form("new chi2 = %f (= %f)\n", newGlobalChi2, newTrack->GetMFTCluster(0)->GetTrackChi2()));
955 Int_t nClustersGlobalTrack = newTrack->GetNMUONClusters() + newTrack->GetNMFTClusters(); // Muon Spectrometer clusters + clusters in the Vertex Telescope
956 Int_t ndfGlobalTrack = GetNDF(nClustersGlobalTrack);
957 // fOutputQAFile->cd();
958 if (IsCorrectMatch(cluster)) fHistGlobalChi2AtPlaneFor_GOOD_CandidatesOfTrackableMuons[planeId]->Fill(newGlobalChi2/Double_t(ndfGlobalTrack));
959 else fHistGlobalChi2AtPlaneFor_BAD_CandidatesOfTrackableMuons[planeId] ->Fill(newGlobalChi2/Double_t(ndfGlobalTrack));
961 fGrMFTPlane[kClustersGoodChi2][planeId] -> SetPoint(fGrMFTPlane[kClustersGoodChi2][planeId]->GetN(), cluster->GetX(), cluster->GetY());
963 else AliDebug(3,Form("discarding cluster: chi2=%f (cut = %f)\n", chi2, chi2cut));
967 //---------------------------------------------------------------------------------------------
969 if (planeId == fNPlanesMFT-1) {
970 if (fIsCurrentMuonTrackable && fDistanceFromGoodClusterAndTrackAtLastPlane>0.) {
971 // fOutputQAFile->cd();
972 fHistDistanceGoodClusterFromTrackMinusDistanceBestClusterFromTrackAtLastPlane -> Fill(TMath::Abs(fDistanceFromBestClusterAndTrackAtLastPlane-
973 fDistanceFromGoodClusterAndTrackAtLastPlane));
974 fHistDistanceGoodClusterFromTrackAtLastPlane -> Fill(fDistanceFromGoodClusterAndTrackAtLastPlane);
980 //==========================================================================================================================================
982 void AliMuonForwardTrackFinder::AttachGoodClusterInPlane(Int_t planeId) {
984 AliDebug(1, Form(">>>> executing AliMuonForwardTrackFinder::AttachGoodClusterInPlane(%d)\n", planeId));
986 AliMUONTrackParam currentParamFront, currentParamBack;
988 if (planeId == fNPlanesMFT-1) { // last plane of the telecope
989 currentParamFront = (*((AliMUONTrackParam*)(fMuonTrackReco->GetTrackParamAtCluster()->First())));
990 currentParamBack = (*((AliMUONTrackParam*)(fMuonTrackReco->GetTrackParamAtCluster()->First())));
991 AliMUONTrackExtrap::ExtrapToVertexWithoutBranson(¤tParamFront, 0.);
992 AliMUONTrackExtrap::ExtrapToVertexWithoutBranson(¤tParamBack, 0.);
994 else { // MFT planes others than the last one: mult. scattering correction because of the upstream MFT planes is performed
995 AliDebug(2, Form("fCurrentTrack = %p\n", fCurrentTrack));
996 currentParamFront = (*((AliMUONTrackParam*)(fCurrentTrack->GetTrackParamAtCluster()->First())));
997 currentParamBack = (*((AliMUONTrackParam*)(fCurrentTrack->GetTrackParamAtCluster()->First())));
998 AliMUONTrackExtrap::AddMCSEffect(¤tParamFront, (fSegmentation->GetPlane(planeId+1)->GetEquivalentSilicon()+
999 fSegmentation->GetPlane(planeId)->GetEquivalentSiliconBeforeFront())/fRadLengthSi,-1.);
1000 AliMUONTrackExtrap::AddMCSEffect(¤tParamBack, (fSegmentation->GetPlane(planeId+1)->GetEquivalentSilicon()+
1001 fSegmentation->GetPlane(planeId)->GetEquivalentSiliconBeforeBack())/fRadLengthSi,-1.);
1003 // for all planes: linear extrapolation to the Z of the plane
1004 AliMUONTrackExtrap::ExtrapToZCov(¤tParamFront, -1.*fSegmentation->GetPlane(planeId)->GetZCenterActiveFront());
1005 AliMUONTrackExtrap::ExtrapToZCov(¤tParamBack, -1.*fSegmentation->GetPlane(planeId)->GetZCenterActiveBack());
1007 Bool_t goodClusterFound = kFALSE;
1009 // Analyizing the clusters: FRONT ACTIVE ELEMENTS
1011 Int_t nClustersFront = fMFTClusterArrayFront[planeId]->GetEntries();
1013 AliDebug(1, Form("nClustersFront = %d\n", nClustersFront));
1014 for (Int_t iCluster=0; iCluster<nClustersFront; iCluster++) {
1015 AliMFTCluster *cluster = (AliMFTCluster*) fMFTClusterArrayFront[planeId]->UncheckedAt(iCluster);
1016 AliDebug(2, Form("checking cluster %02d of %02d: cluter=%p, fCurrentTrack=%p\n", iCluster, nClustersFront, cluster, fCurrentTrack));
1017 if (IsCorrectMatch(cluster)) {
1018 fCurrentTrack->AddTrackParamAtMFTCluster(currentParamFront, *cluster); // creating new track param and attaching the cluster
1019 fCurrentTrack->SetPlaneExists(planeId);
1020 goodClusterFound = kTRUE;
1025 if (goodClusterFound) return;
1027 // Analyizing the clusters: BACK ACTIVE ELEMENTS
1029 Int_t nClustersBack = fMFTClusterArrayBack[planeId]->GetEntries();
1031 AliDebug(1, Form("nClustersBack = %d\n", nClustersBack));
1032 for (Int_t iCluster=0; iCluster<nClustersBack; iCluster++) {
1033 AliMFTCluster *cluster = (AliMFTCluster*) fMFTClusterArrayBack[planeId]->UncheckedAt(iCluster);
1034 AliDebug(2,Form("checking cluster %02d of %02d: cluter=%p, fCurrentTrack=%p\n", iCluster, nClustersBack, cluster, fCurrentTrack));
1035 if (IsCorrectMatch(cluster)) {
1036 fCurrentTrack->AddTrackParamAtMFTCluster(currentParamBack, *cluster); // creating new track param and attaching the cluster
1037 fCurrentTrack->SetPlaneExists(planeId);
1038 goodClusterFound = kTRUE;
1045 //==========================================================================================================================================
1047 void AliMuonForwardTrackFinder::CheckCurrentMuonTrackable() {
1049 for (Int_t iPlane=0; iPlane<fNPlanesMFT; iPlane++) {
1050 fIsGoodClusterInPlane[iPlane] = kFALSE;
1051 Int_t nClusters = fMFTClusterArray[iPlane]->GetEntriesFast();
1052 for (Int_t iCluster=0; iCluster<nClusters; iCluster++) {
1053 AliMFTCluster *cluster = (AliMFTCluster*) fMFTClusterArray[iPlane]->At(iCluster);
1054 for (Int_t iTrack=0; iTrack<cluster->GetNMCTracks(); iTrack++) {
1055 if (cluster->GetMCLabel(iTrack)==fLabelMC) {
1056 fIsGoodClusterInPlane[iPlane] = kTRUE;
1063 fIsCurrentMuonTrackable = kTRUE;
1064 for (Int_t iPlane=0; iPlane<fNPlanesMFT; iPlane++) fIsCurrentMuonTrackable = (fIsCurrentMuonTrackable&&fIsGoodClusterInPlane[iPlane]);
1068 //==========================================================================================================================================
1070 void AliMuonForwardTrackFinder::FillPlanesWithTrackHistory() {
1072 // Fill planes with the clusters
1075 AliDebug(2, Form("fFinalBestCandidate->GetNMFTClusters() = %d\n", fFinalBestCandidate->GetNMFTClusters()));
1076 for (Int_t iPlane=0; iPlane<fNPlanesMFT; iPlane++) {
1077 if (fFinalBestCandidate->PlaneExists(iPlane)) {
1078 AliMFTCluster *trackCluster = fFinalBestCandidate->GetMFTCluster(cluster++);
1079 fGrMFTPlane[kClusterOfTrack][iPlane] -> SetPoint(fGrMFTPlane[kClusterOfTrack][iPlane]->GetN(), trackCluster->GetX(), trackCluster->GetY());
1081 Int_t nClusters = fMFTClusterArray[iPlane]->GetEntriesFast();
1082 for (Int_t iCluster=0; iCluster<nClusters; iCluster++) {
1083 AliMFTCluster *myCluster = (AliMFTCluster*) fMFTClusterArray[iPlane]->UncheckedAt(iCluster);
1084 fGrMFTPlane[kAllClusters][iPlane] -> SetPoint(fGrMFTPlane[kAllClusters][iPlane]->GetN(), myCluster->GetX(), myCluster->GetY());
1085 if (IsCorrectMatch(myCluster)) {
1086 fGrMFTPlane[kClusterCorrectMC][iPlane] -> SetPoint(fGrMFTPlane[kClusterCorrectMC][iPlane]->GetN(), myCluster->GetX(), myCluster->GetY());
1093 //======================================================================================================================================
1095 Bool_t AliMuonForwardTrackFinder::IsCorrectMatch(AliMFTCluster *cluster) {
1097 Bool_t result = kFALSE;
1099 // check if the cluster belongs to the correct MC track
1101 for (Int_t iTrack=0; iTrack<cluster->GetNMCTracks(); iTrack++) {
1102 if (cluster->GetMCLabel(iTrack)==fLabelMC) {
1108 AliDebug(2,Form("returning %d\n", result));
1114 //======================================================================================================================================
1116 Double_t AliMuonForwardTrackFinder::TryOneCluster(const AliMUONTrackParam &trackParam, AliMFTCluster *cluster) {
1118 // Test the compatibility between the track and the cluster (using trackParam's covariance matrix):
1119 // return the corresponding Chi2
1120 // assume the track parameters are given at the Z of the cluster
1122 // Set differences between trackParam and cluster in the bending and non bending directions
1123 Double_t dX = cluster->GetX() - trackParam.GetNonBendingCoor();
1124 Double_t dY = cluster->GetY() - trackParam.GetBendingCoor();
1125 AliDebug(3,Form("dX = %f, dY = %f\n", dX, dY));
1127 // Calculate errors and covariances
1128 const TMatrixD& kParamCov = trackParam.GetCovariances();
1129 Double_t sigmaX2 = kParamCov(0,0) + cluster->GetErrX2();
1130 Double_t sigmaY2 = kParamCov(2,2) + cluster->GetErrY2();
1131 AliDebug(3, Form("dX2 = %f, dY2 = %f\n", sigmaX2, sigmaY2));
1132 Double_t covXY = kParamCov(0,2);
1133 Double_t det = sigmaX2 * sigmaY2 - covXY * covXY;
1136 if (det==0.) return 1.e10;
1137 return (dX*dX*sigmaY2 + dY*dY*sigmaX2 - 2.*dX*dY*covXY) / det;
1141 //=========================================================================================================================================
1143 void AliMuonForwardTrackFinder::SeparateFrontBackClusters() {
1145 for (Int_t iPlane=0; iPlane<fNPlanesMFT; iPlane++) {
1146 fMFTClusterArrayFront[iPlane]->Clear();
1147 fMFTClusterArrayBack[iPlane] ->Clear();
1148 for (Int_t iCluster=0; iCluster<fMFTClusterArray[iPlane]->GetEntries(); iCluster++) {
1149 AliMFTCluster *cluster = (AliMFTCluster*) fMFTClusterArray[iPlane]->At(iCluster);
1150 if (TMath::Abs(cluster->GetZ())<TMath::Abs(fSegmentation->GetPlane(iPlane)->GetZCenter())) {
1151 new ((*fMFTClusterArrayFront[iPlane])[fMFTClusterArrayFront[iPlane]->GetEntries()]) AliMFTCluster(*cluster);
1154 new ((*fMFTClusterArrayBack[iPlane])[fMFTClusterArrayBack[iPlane]->GetEntries()]) AliMFTCluster(*cluster);
1161 //=========================================================================================================================================
1163 Int_t AliMuonForwardTrackFinder::GetNDF(Int_t nClusters) {
1165 // the same definition as in AliMUONTrack is implemented, since here we just add more clusters to the Muon track
1167 Int_t ndf = 2 * nClusters - 5;
1168 return (ndf > 0) ? ndf : 0;
1172 //============================================================================================================================================
1174 void AliMuonForwardTrackFinder::BookHistos() {
1176 const Int_t nMaxNewTracks[] = {150, 200, 250, 600, 1000};
1177 const Double_t radiusPlane[] = {0.010, 0.010, 0.050, 0.5, 1.5};
1179 fHistPtSpectrometer = new TH1D("hPtSpectrometer", "p_{T} as given by the Muon Spectrometer", 200, 0, 20.);
1181 fHistPtMuonTrackWithGoodMatch = new TH1D("fHistPtMuonTrackWithGoodMatch", "p_{T} of muon track with good match", 200, 0, 20.);
1182 fHistPtMuonTrackWithBadMatch = new TH1D("fHistPtMuonTrackWithBadMatch", "p_{T} of muon track with bad match", 200, 0, 20.);
1184 fHistRadiusEndOfAbsorber = new TH1D("hRadiusEndOfAbsorber", "Track radial distance at the end of the absorber", 1000, 0, 100.);
1186 fHistNGoodClustersForFinalTracks = new TH1D("hNGoodClustersForFinalTracks", "Number of Good Clusters per Final Track", 20, -0.25, 9.75);
1188 fHistDistanceGoodClusterFromTrackAtLastPlane = new TH1D("hDistanceGoodClusterFromTrackAtLastPlane",
1189 "Distance of MC Good Cluster from Track in last MFT plane", 200, 0., 2.);
1191 fHistDistanceGoodClusterFromTrackMinusDistanceBestClusterFromTrackAtLastPlane =
1192 new TH1D("hDistanceGoodClusterFromTrackMinusDistanceBestClusterFromTrackAtLastPlane",
1193 "Good Cluster distance from track - Best Cluster distance from track in last MFT plane", 200, 0., 2.);
1195 for (Int_t iPlane=0; iPlane<fNPlanesMFT; iPlane++) {
1197 fHistNTracksAfterExtrapolation[iPlane] = new TH1D(Form("hNTracksAfterExtrapolation_pl%02d", iPlane),
1198 Form("Number of Candidates after analysis of MFT plane %02d", iPlane),
1199 nMaxNewTracks[iPlane], -0.5, nMaxNewTracks[iPlane]-0.5);
1201 fHistResearchRadius[iPlane] = new TH1D(Form("hResearchRadius_pl%02d", iPlane),
1202 Form("Research Radius for candidate clusters in MFT plane %02d", iPlane),
1203 1000, 0., radiusPlane[iPlane]);
1205 fHistChi2Cluster_GoodCluster[iPlane] = new TH1D(Form("hChi2Cluster_GoodCluster_pl%02d", iPlane),
1206 Form("#chi^{2}_{clust} for Good clusters in MFT plane %02d", iPlane),
1209 fHistChi2Cluster_BadCluster[iPlane] = new TH1D(Form("hChi2Cluster_BadCluster_pl%02d", iPlane),
1210 Form("#chi^{2}_{clust} for Bad clusters in MFT plane %02d", iPlane),
1213 fHistGlobalChi2AtPlaneFor_GOOD_CandidatesOfTrackableMuons[iPlane] = new TH1D(Form("fHistGlobalChi2AtPlaneFor_GOOD_CandidatesOfTrackableMuons_pl%02d", iPlane),
1214 Form("#chi^{2}/ndf at plane %d for GOOD candidates of trackable muons",iPlane),
1217 fHistGlobalChi2AtPlaneFor_BAD_CandidatesOfTrackableMuons[iPlane] = new TH1D(Form("fHistGlobalChi2AtPlaneFor_BAD_CandidatesOfTrackableMuons_pl%02d", iPlane),
1218 Form("#chi^{2}/ndf at plane %d for BAD candidates of trackable muons",iPlane),
1223 //------------------------------------------
1225 fHistPtSpectrometer -> Sumw2();
1226 fHistPtMuonTrackWithGoodMatch -> Sumw2();
1227 fHistPtMuonTrackWithBadMatch -> Sumw2();
1228 fHistRadiusEndOfAbsorber -> Sumw2();
1229 fHistNGoodClustersForFinalTracks -> Sumw2();
1231 fHistDistanceGoodClusterFromTrackAtLastPlane -> Sumw2();
1232 fHistDistanceGoodClusterFromTrackMinusDistanceBestClusterFromTrackAtLastPlane -> Sumw2();
1234 for (Int_t iPlane=0; iPlane<fNPlanesMFT; iPlane++) {
1236 fHistNTracksAfterExtrapolation[iPlane] -> Sumw2();
1237 fHistResearchRadius[iPlane] -> Sumw2();
1239 fHistChi2Cluster_GoodCluster[iPlane] -> Sumw2();
1240 fHistChi2Cluster_BadCluster[iPlane] -> Sumw2();
1242 fHistGlobalChi2AtPlaneFor_GOOD_CandidatesOfTrackableMuons[iPlane] -> Sumw2();
1243 fHistGlobalChi2AtPlaneFor_BAD_CandidatesOfTrackableMuons[iPlane] -> Sumw2();
1247 fNtuFinalCandidates = new TNtuple("ntuFinalCandidates", "Final Candidates (ALL)", "run:event:muonTrack:nFinalCandidates:nClustersMC:nGoodClusters:ptSpectrometer:thetaSpectrometer:etaSpectrometer:chi2AtPlane0:chi2AtPlane1:chi2AtPlane2:chi2AtPlane3:chi2AtPlane4:chi2AtPlane5:chi2AtPlane6:chi2AtPlane7:chi2AtPlane8");
1249 fNtuFinalBestCandidates = new TNtuple("ntuFinalBestCandidates", "Final Best Candidates", "run:event:muonTrack:nFinalCandidates:nClustersMC:nGoodClusters:ptSpectrometer:thetaSpectrometer:etaSpectrometer:chi2AtPlane0:chi2AtPlane1:chi2AtPlane2:chi2AtPlane3:chi2AtPlane4:chi2AtPlane5:chi2AtPlane6:chi2AtPlane7:chi2AtPlane8:nClustersAtPlane0:nClustersAtPlane1:nClustersAtPlane2:nClustersAtPlane3:nClustersAtPlane4:nClustersAtPlane5:nClustersAtPlane6:nClustersAtPlane7:nClustersAtPlane8");
1253 //============================================================================================================================================
1255 void AliMuonForwardTrackFinder::SetTitleHistos() {
1257 fHistPtSpectrometer -> SetXTitle("p_{T} [GeV/c]");
1258 fHistPtMuonTrackWithGoodMatch -> SetXTitle("p_{T} [GeV/c]");
1259 fHistPtMuonTrackWithBadMatch -> SetXTitle("p_{T} [GeV/c]");
1260 fHistRadiusEndOfAbsorber -> SetXTitle("R_{abs} [cm]");
1261 fHistNGoodClustersForFinalTracks -> SetXTitle("N_{GoodClusters}");
1263 fHistDistanceGoodClusterFromTrackAtLastPlane -> SetXTitle("Distance [cm]");
1264 fHistDistanceGoodClusterFromTrackMinusDistanceBestClusterFromTrackAtLastPlane -> SetXTitle("Distance [cm]");
1267 for (Int_t iPlane=0; iPlane<fNPlanesMFT; iPlane++) {
1269 fHistNTracksAfterExtrapolation[iPlane] -> SetXTitle("N_{tracks}");
1270 fHistResearchRadius[iPlane] -> SetXTitle("Research Radius [cm]");
1272 fHistChi2Cluster_GoodCluster[iPlane] -> SetXTitle("#chi^{2}/ndf");
1273 fHistChi2Cluster_BadCluster[iPlane] -> SetXTitle("#chi^{2}/ndf");
1275 fHistGlobalChi2AtPlaneFor_GOOD_CandidatesOfTrackableMuons[iPlane] -> SetXTitle("#chi^{2}/ndf");
1276 fHistGlobalChi2AtPlaneFor_BAD_CandidatesOfTrackableMuons[iPlane] -> SetXTitle("#chi^{2}/ndf");
1282 //===========================================================================================================================================
1284 void AliMuonForwardTrackFinder::BookPlanes() {
1286 for (Int_t iPlane=0; iPlane<fNPlanesMFT; iPlane++) {
1287 fGrMFTPlane[kAllClusters][iPlane] = new TGraph();
1288 fGrMFTPlane[kAllClusters][iPlane] -> SetName(Form("fGrMFTPlane_%02d_AllClusters",iPlane));
1289 fGrMFTPlane[kAllClusters][iPlane] -> SetMarkerStyle(20);
1290 // fGrMFTPlane[kAllClusters][iPlane] -> SetMarkerSize(0.5);
1291 // fGrMFTPlane[kAllClusters][iPlane] -> SetMarkerSize(0.3);
1292 fGrMFTPlane[kAllClusters][iPlane] -> SetMarkerSize(0.2);
1295 for (Int_t iPlane=0; iPlane<fNPlanesMFT; iPlane++) {
1296 fGrMFTPlane[kClustersGoodChi2][iPlane] = new TGraph();
1297 fGrMFTPlane[kClustersGoodChi2][iPlane] -> SetName(Form("fGrMFTPlane_%02d_ClustersGoodChi2",iPlane));
1298 fGrMFTPlane[kClustersGoodChi2][iPlane] -> SetMarkerStyle(20);
1299 // fGrMFTPlane[kClustersGoodChi2][iPlane] -> SetMarkerSize(0.8);
1300 // fGrMFTPlane[kClustersGoodChi2][iPlane] -> SetMarkerSize(0.4);
1301 fGrMFTPlane[kClustersGoodChi2][iPlane] -> SetMarkerSize(0.3);
1302 fGrMFTPlane[kClustersGoodChi2][iPlane] -> SetMarkerColor(kBlue);
1305 for (Int_t iPlane=0; iPlane<fNPlanesMFT; iPlane++) {
1306 fGrMFTPlane[kClusterOfTrack][iPlane] = new TGraph();
1307 fGrMFTPlane[kClusterOfTrack][iPlane] -> SetName(Form("fGrMFTPlane_%02d_ClustersOfTrack",iPlane));
1308 fGrMFTPlane[kClusterOfTrack][iPlane] -> SetMarkerStyle(25);
1309 // fGrMFTPlane[kClusterOfTrack][iPlane] -> SetMarkerSize(1.2);
1310 fGrMFTPlane[kClusterOfTrack][iPlane] -> SetMarkerSize(0.9);
1311 fGrMFTPlane[kClusterOfTrack][iPlane] -> SetMarkerColor(kRed);
1312 fGrMFTPlane[kClusterOfTrack][iPlane] -> SetTitle(Form("Plane %d (%3.1f cm)", iPlane, fZPlane[iPlane]));
1315 for (Int_t iPlane=0; iPlane<fNPlanesMFT; iPlane++) {
1316 fGrMFTPlane[kClusterCorrectMC][iPlane] = new TGraph();
1317 fGrMFTPlane[kClusterCorrectMC][iPlane] -> SetName(Form("fGrMFTPlane_%02d_ClustersCorrectMC",iPlane));
1318 fGrMFTPlane[kClusterCorrectMC][iPlane] -> SetMarkerStyle(20);
1319 // fGrMFTPlane[kClusterCorrectMC][iPlane] -> SetMarkerSize(0.8);
1320 fGrMFTPlane[kClusterCorrectMC][iPlane] -> SetMarkerSize(0.5);
1321 fGrMFTPlane[kClusterCorrectMC][iPlane] -> SetMarkerColor(kGreen);
1324 for (Int_t iPlane=0; iPlane<fNPlanesMFT; iPlane++) {
1325 fCircleExt[iPlane] = new TEllipse(0., 0., fRPlaneMax[iPlane], fRPlaneMax[iPlane]);
1326 fCircleInt[iPlane] = new TEllipse(0., 0., fRPlaneMin[iPlane], fRPlaneMin[iPlane]);
1329 fTxtDummy = new TLatex(0.10, 0.59, "Best Candidate:");
1331 //---------------------------------------------------
1333 fMrkAllClust = new TMarker(0.10, 0.32, 20);
1334 fMrkAllClust -> SetMarkerSize(0.5);
1336 fMrkClustGoodChi2 = new TMarker(0.10, 0.26, 20);
1337 fMrkClustGoodChi2 -> SetMarkerSize(0.8);
1338 fMrkClustGoodChi2 -> SetMarkerColor(kBlue);
1340 fMrkClustMC = new TMarker(0.10, 0.20, 20);
1341 fMrkClustMC -> SetMarkerSize(0.8);
1342 fMrkClustMC -> SetMarkerColor(kGreen);
1344 fMrkClustOfTrack = new TMarker(0.10, 0.14, 25);
1345 fMrkClustOfTrack -> SetMarkerSize(1.2);
1346 fMrkClustOfTrack -> SetMarkerColor(kRed);
1348 fTxtAllClust = new TLatex(0.15, 0.30, "All Clusters");
1349 fTxtAllClust -> SetTextSize(0.040);
1351 fTxtClustGoodChi2 = new TLatex(0.15, 0.24, "Clusters involved in the research");
1352 fTxtClustGoodChi2 -> SetTextSize(0.040);
1354 fTxtClustMC = new TLatex(0.15, 0.18, "MC good clusters");
1355 fTxtClustMC -> SetTextSize(0.040);
1357 fTxtClustOfTrack = new TLatex(0.15, 0.12, "Clusters of the best candidate");
1358 fTxtClustOfTrack -> SetTextSize(0.040);
1362 //===========================================================================================================================================
1364 void AliMuonForwardTrackFinder::ResetPlanes() {
1366 for (Int_t iPlane=0; iPlane<fNPlanesMFT; iPlane++) {
1367 for (Int_t iGr=0; iGr<4; iGr++) {
1368 Int_t nOldClusters = fGrMFTPlane[iGr][iPlane]->GetN();
1369 for (Int_t iPoint=nOldClusters-1; iPoint>=0; iPoint--) fGrMFTPlane[iGr][iPlane]->RemovePoint(iPoint);
1375 //===========================================================================================================================================
1377 void AliMuonForwardTrackFinder::PrintParticleHistory() {
1379 AliDebug(1, "Entering");
1381 TString history = "";
1383 TParticle *part = 0;
1384 if (fLabelMC>=0) part = fStack->Particle(fLabelMC);
1386 AliDebug(1, Form("fStack->Particle(fLabelMC) = %p", part));
1389 if (part->GetFirstMother() != -1) {
1390 TParticle *partMother = fStack->Particle(part->GetFirstMother());
1391 AliDebug(1, Form("fStack->Particle(part->GetFirstMother() = %p", partMother));
1393 Char_t newName[100];
1394 if (partMother->GetFirstMother() != -1) history += "... #rightarrow ";
1395 PDGNameConverter(partMother->GetName(), newName);
1396 history += Form("%s #rightarrow ", newName);
1399 Char_t newName[100];
1400 PDGNameConverter(part->GetName(), newName);
1401 history += Form("%s at z = %5.1f cm", newName, part->Vz());
1402 // printf("%s", history.Data());
1404 else history += "NO AVAILABLE HISTORY";
1406 fTxtMuonHistory = new TLatex(0.10, 0.86, history.Data());
1408 // Filling particle history in the fFinalBestCandidate
1411 for (Int_t iParent=0; iParent<AliMuonForwardTrack::fgkNParentsMax; iParent++) {
1412 if (part->GetFirstMother() == -1) break;
1413 if (!(fStack->Particle(part->GetFirstMother()))) break;
1414 AliDebug(1, Form("fStack->Particle(part->GetFirstMother() = %p", fStack->Particle(part->GetFirstMother())));
1415 fFinalBestCandidate->SetParentMCLabel(iParent, part->GetFirstMother());
1416 fFinalBestCandidate->SetParentPDGCode(iParent, fStack->Particle(part->GetFirstMother())->GetPdgCode());
1417 part = fStack->Particle(part->GetFirstMother());
1423 //===========================================================================================================================================
1425 Bool_t AliMuonForwardTrackFinder::IsMother(Char_t *nameMother) {
1427 Bool_t result = kFALSE;
1429 TParticle *part = 0;
1430 if (fLabelMC>=0) part = fStack->Particle(fLabelMC);
1433 if (part->GetFirstMother() != -1) {
1434 TParticle *partMother = fStack->Particle(part->GetFirstMother());
1436 if (!strcmp(partMother->GetName(), nameMother)) result=kTRUE;
1445 //===========================================================================================================================================
1447 void AliMuonForwardTrackFinder::DrawPlanes() {
1450 if (fNPlanesMFT <= 5) fCanvas -> Divide(3,2);
1451 else if (fNPlanesMFT <= 11) fCanvas -> Divide(4,3);
1452 else if (fNPlanesMFT <= 19) fCanvas -> Divide(5,4);
1454 for (Int_t iPlane=0; iPlane<fNPlanesMFT; iPlane++) {
1456 fCanvas->cd(fNPlanesMFT-iPlane+1);
1458 fGrMFTPlane[kClusterOfTrack][iPlane] -> GetXaxis() -> SetLimits(-1.1*fRPlaneMax[fNPlanesMFT-1], +1.1*fRPlaneMax[fNPlanesMFT-1]);
1459 fGrMFTPlane[kClusterOfTrack][iPlane] -> GetYaxis() -> SetRangeUser(-1.1*fRPlaneMax[fNPlanesMFT-1], +1.1*fRPlaneMax[fNPlanesMFT-1]);
1460 fGrMFTPlane[kClusterOfTrack][iPlane] -> GetXaxis() -> SetTitle("X [cm]");
1461 fGrMFTPlane[kClusterOfTrack][iPlane] -> GetYaxis() -> SetTitle("Y [cm]");
1462 fGrMFTPlane[kClusterOfTrack][iPlane] -> Draw("ap");
1464 fCircleExt[iPlane] -> Draw("same");
1465 fCircleInt[iPlane] -> Draw("same");
1467 if (fGrMFTPlane[kAllClusters][iPlane]->GetN()) fGrMFTPlane[kAllClusters][iPlane] -> Draw("psame");
1468 if (fGrMFTPlane[kClustersGoodChi2][iPlane]->GetN()) fGrMFTPlane[kClustersGoodChi2][iPlane] -> Draw("psame");
1469 if (fGrMFTPlane[kClusterOfTrack][iPlane]->GetN()) fGrMFTPlane[kClusterOfTrack][iPlane] -> Draw("psame");
1470 if (fGrMFTPlane[kClusterCorrectMC][iPlane]->GetN()) fGrMFTPlane[kClusterCorrectMC][iPlane] -> Draw("psame");
1472 fTxtTrackChi2[iPlane] -> Draw("same");
1477 fTxtMuonHistory -> Draw();
1478 fTxtDummy -> Draw("same");
1479 if (fMatchingMode==kRealMatching) fTxtTrackGoodClusters -> Draw("same");
1480 fTxtTrackFinalChi2 -> Draw("same");
1481 fTxtTrackMomentum -> Draw("same");
1482 if (fMatchingMode==kRealMatching) fTxtFinalCandidates -> Draw("same");
1484 fMrkAllClust -> Draw("same");
1485 fMrkClustGoodChi2 -> Draw("same");
1486 fMrkClustMC -> Draw("same");
1487 fMrkClustOfTrack -> Draw("same");
1489 fTxtAllClust -> Draw("same");
1490 fTxtClustGoodChi2 -> Draw("same");
1491 fTxtClustMC -> Draw("same");
1492 fTxtClustOfTrack -> Draw("same");
1494 // fCanvas -> SaveAs(Form("%s/figures/eventDisplay/run%d_event%d_track%d.eps", fOutDir.Data(), fRun, fEv, fCountRealTracksAnalyzedOfEvent));
1495 fCanvas -> SaveAs(Form("%s/figures/eventDisplay/run%d_event%d_track%d.gif", fOutDir.Data(), fRun, fEv, fCountRealTracksAnalyzedOfEvent));
1496 if (IsMother("phi")) {
1497 fCanvas -> SaveAs(Form("%s/figures/eventDisplay/run%d_event%d_track%d.phi.gif", fOutDir.Data(), fRun, fEv, fCountRealTracksAnalyzedOfEvent));
1498 fCanvas -> SaveAs(Form("%s/figures/eventDisplay/run%d_event%d_track%d.phi.eps", fOutDir.Data(), fRun, fEv, fCountRealTracksAnalyzedOfEvent));
1500 if (IsMother("J/psi")) {
1501 fCanvas -> SaveAs(Form("%s/figures/eventDisplay/run%d_event%d_track%d.jPsi.gif", fOutDir.Data(), fRun, fEv, fCountRealTracksAnalyzedOfEvent));
1502 fCanvas -> SaveAs(Form("%s/figures/eventDisplay/run%d_event%d_track%d.jPsi.eps", fOutDir.Data(), fRun, fEv, fCountRealTracksAnalyzedOfEvent));
1507 //===========================================================================================================================================
1509 void AliMuonForwardTrackFinder::Terminate() {
1512 AliInfo("---------------------------------------------------------------------------------------------------------------");
1513 AliInfo(Form("%8d tracks analyzed", fCountRealTracksAnalyzed));
1514 AliInfo(Form("%8d tracks with MC ref", fCountRealTracksWithRefMC));
1515 AliInfo(Form("%8d tracks with MC ref & trigger match", fCountRealTracksWithRefMC_andTrigger));
1516 if (fMatchingMode==kRealMatching) {
1517 AliInfo(Form("%8d tracks analyzed with final candidates", fCountRealTracksAnalyzedWithFinalCandidates));
1520 AliInfo(Form("%8d tracks matched with their MC clusters", fCountRealTracksAnalyzedWithFinalCandidates));
1522 // printf("%8d tracks with MC ref & trigger match & pt>%3.1f GeV/c", fCountRealTracksWithRefMC_andTrigger_andGoodPt, fLowPtCut);
1523 // printf("%8d tracks with MC ref & trigger match & pt>%3.1f GeV/c & correct R_abs", fCountRealTracksWithRefMC_andTrigger_andGoodPt_andGoodTheta, fLowPtCut);
1524 AliInfo("---------------------------------------------------------------------------------------------------------------");
1531 //==========================================================================================================================================
1533 void AliMuonForwardTrackFinder::FillOutputTree() {
1535 if (!fMuonForwardTracks || !fOutputEventTree) return;
1537 AliDebug(1, Form("Filling output tree %p with %p having %d entries whose 1st entry is %p",
1538 fOutputEventTree, fMuonForwardTracks, fMuonForwardTracks->GetEntries(), fMuonForwardTracks->At(0)));
1540 // fOutputTreeFile->cd();
1541 fOutputEventTree->Fill();
1542 AliDebug(1, Form("\nFilled Tree: nEvents = %d!!!!\n", Int_t(fOutputEventTree->GetEntries())));
1546 //==========================================================================================================================================
1548 void AliMuonForwardTrackFinder::WriteOutputTree() {
1550 if (!fOutputEventTree || !fOutputTreeFile) return;
1552 fOutputTreeFile -> cd();
1554 fOutputEventTree -> Write();
1555 fOutputTreeFile -> Close();
1559 //==========================================================================================================================================
1561 void AliMuonForwardTrackFinder::WriteHistos() {
1563 fOutputQAFile = new TFile(Form("MuonGlobalTracking.QA.run%d.root", fRun), "recreate");
1564 fOutputQAFile -> cd();
1566 fHistPtSpectrometer -> Write();
1567 fHistPtMuonTrackWithGoodMatch -> Write();
1568 fHistPtMuonTrackWithBadMatch -> Write();
1569 fHistRadiusEndOfAbsorber -> Write();
1570 fHistNGoodClustersForFinalTracks -> Write();
1572 fHistDistanceGoodClusterFromTrackAtLastPlane -> Write();
1573 fHistDistanceGoodClusterFromTrackMinusDistanceBestClusterFromTrackAtLastPlane -> Write();
1575 for (Int_t iPlane=0; iPlane<fNPlanesMFT; iPlane++) {
1577 fHistNTracksAfterExtrapolation[iPlane] -> Write();
1578 fHistResearchRadius[iPlane] -> Write();
1580 fHistChi2Cluster_GoodCluster[iPlane] -> Write();
1581 fHistChi2Cluster_BadCluster[iPlane] -> Write();
1583 fHistGlobalChi2AtPlaneFor_GOOD_CandidatesOfTrackableMuons[iPlane] -> Write();
1584 fHistGlobalChi2AtPlaneFor_BAD_CandidatesOfTrackableMuons[iPlane] -> Write();
1588 fNtuFinalCandidates -> Write();
1589 fNtuFinalBestCandidates -> Write();
1591 fOutputQAFile -> Close();
1595 //===========================================================================================================================================
1597 void AliMuonForwardTrackFinder::PDGNameConverter(const Char_t *nameIn, Char_t *nameOut) {
1599 if (!strcmp(nameIn, "mu+")) sprintf(nameOut, "#mu^{+}");
1600 else if (!strcmp(nameIn, "mu-")) sprintf(nameOut, "#mu^{-}");
1601 else if (!strcmp(nameIn, "pi+")) sprintf(nameOut, "#pi^{+}");
1602 else if (!strcmp(nameIn, "pi-")) sprintf(nameOut, "#pi^{-}");
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*-")) sprintf(nameOut, "K^{*-}");
1607 else if (!strcmp(nameIn, "K_S0")) sprintf(nameOut, "K_{S}^{0}");
1608 else if (!strcmp(nameIn, "K_L0")) sprintf(nameOut, "K_{L}^{0}");
1609 else if (!strcmp(nameIn, "K0")) sprintf(nameOut, "K^{0}");
1610 else if (!strcmp(nameIn, "K0_bar")) sprintf(nameOut, "#bar{K}^{0}");
1611 else if (!strcmp(nameIn, "K*0")) sprintf(nameOut, "K^{*0}");
1612 else if (!strcmp(nameIn, "K*0_bar")) sprintf(nameOut, "#bar{K}^{*0}");
1613 else if (!strcmp(nameIn, "rho0")) sprintf(nameOut, "#rho^{0}");
1614 else if (!strcmp(nameIn, "rho+")) sprintf(nameOut, "#rho^{+}");
1615 else if (!strcmp(nameIn, "rho-")) sprintf(nameOut, "#rho^{-}");
1616 else if (!strcmp(nameIn, "omega")) sprintf(nameOut, "#omega");
1617 else if (!strcmp(nameIn, "eta'")) sprintf(nameOut, "#eta'");
1618 else if (!strcmp(nameIn, "phi")) sprintf(nameOut, "#phi");
1620 else if (!strcmp(nameIn, "D-")) sprintf(nameOut, "D^{-}");
1621 else if (!strcmp(nameIn, "D+")) sprintf(nameOut, "D^{+}");
1622 else if (!strcmp(nameIn, "D0")) sprintf(nameOut, "D^{0}");
1623 else if (!strcmp(nameIn, "D0_bar")) sprintf(nameOut, "#bar{D}^{0}");
1624 else if (!strcmp(nameIn, "D*-")) sprintf(nameOut, "D^{*-}");
1625 else if (!strcmp(nameIn, "D*+")) sprintf(nameOut, "D^{*+}");
1626 else if (!strcmp(nameIn, "D_s+")) sprintf(nameOut, "D_{s}^{+}");
1627 else if (!strcmp(nameIn, "D*_s+")) sprintf(nameOut, "D_{s}^{*+}");
1629 else if (!strcmp(nameIn, "B-")) sprintf(nameOut, "B^{-}");
1630 else if (!strcmp(nameIn, "B+")) sprintf(nameOut, "B^{+}");
1631 else if (!strcmp(nameIn, "B_s0_bar")) sprintf(nameOut, "#bar{B}_{s}^{0}");
1633 else if (!strcmp(nameIn, "antiproton")) sprintf(nameOut, "#bar{p}");
1634 else if (!strcmp(nameIn, "proton")) sprintf(nameOut, "p");
1635 else if (!strcmp(nameIn, "neutron")) sprintf(nameOut, "n");
1636 else if (!strcmp(nameIn, "Sigma+")) sprintf(nameOut, "#Sigma^{+}");
1637 else if (!strcmp(nameIn, "Delta+")) sprintf(nameOut, "#Delta{+}");
1638 else if (!strcmp(nameIn, "Delta--")) sprintf(nameOut, "#Delta{--}");
1639 else if (!strcmp(nameIn, "Lambda0")) sprintf(nameOut, "#Lambda_0");
1640 else if (!strcmp(nameIn, "Lambda0_bar")) sprintf(nameOut, "#bar{Lambda}_0");
1642 else sprintf(nameOut, "%s", nameIn);
1646 //===========================================================================================================================================
1648 void AliMuonForwardTrackFinder::SetDraw(Bool_t drawOption) {
1650 fDrawOption = drawOption;
1653 fCanvas = new TCanvas("tracking", "tracking", 1200, 800);
1654 fCanvas -> Divide(3,2);
1659 //===========================================================================================================================================
1661 Bool_t AliMuonForwardTrackFinder::InitGRP() {
1663 //------------------------------------
1664 // Initialization of the GRP entry
1665 //------------------------------------
1667 AliCDBEntry* entry = AliCDBManager::Instance()->Get("GRP/GRP/Data");
1671 TMap* m = dynamic_cast<TMap*>(entry->GetObject()); // old GRP entry
1674 AliInfo("Found a TMap in GRP/GRP/Data, converting it into an AliGRPObject");
1676 fGRPData = new AliGRPObject();
1677 fGRPData->ReadValuesFromMap(m);
1681 AliInfo("Found an AliGRPObject in GRP/GRP/Data, reading it");
1682 fGRPData = dynamic_cast<AliGRPObject*>(entry->GetObject()); // new GRP entry
1686 // FIX ME: The unloading of GRP entry is temporarily disabled
1687 // because ZDC and VZERO are using it in order to initialize
1688 // their reconstructor objects. In the future one has to think
1689 // of propagating AliRunInfo to the reconstructors.
1690 // AliCDBManager::Instance()->UnloadFromCache("GRP/GRP/Data");
1694 AliError("No GRP entry found in OCDB!");
1698 TString lhcState = fGRPData->GetLHCState();
1699 if (lhcState==AliGRPObject::GetInvalidString()) {
1700 AliError("GRP/GRP/Data entry: missing value for the LHC state ! Using UNKNOWN");
1701 lhcState = "UNKNOWN";
1704 TString beamType = fGRPData->GetBeamType();
1705 if (beamType==AliGRPObject::GetInvalidString()) {
1706 AliError("GRP/GRP/Data entry: missing value for the beam type ! Using UNKNOWN");
1707 beamType = "UNKNOWN";
1710 Float_t beamEnergy = fGRPData->GetBeamEnergy();
1711 if (beamEnergy==AliGRPObject::GetInvalidFloat()) {
1712 AliError("GRP/GRP/Data entry: missing value for the beam energy ! Using 0");
1716 TString runType = fGRPData->GetRunType();
1717 if (runType==AliGRPObject::GetInvalidString()) {
1718 AliError("GRP/GRP/Data entry: missing value for the run type ! Using UNKNOWN");
1719 runType = "UNKNOWN";
1722 Int_t activeDetectors = fGRPData->GetDetectorMask();
1723 if (activeDetectors==AliGRPObject::GetInvalidUInt()) {
1724 AliError("GRP/GRP/Data entry: missing value for the detector mask ! Using 1074790399");
1725 activeDetectors = 1074790399;
1727 AliDebug(1, Form("activeDetectors = %d", activeDetectors));
1729 fRunInfo = new AliRunInfo(lhcState, beamType, beamEnergy, runType, activeDetectors);
1732 // *** Dealing with the magnetic field map
1734 if ( TGeoGlobalMagField::Instance()->IsLocked() ) {
1735 if (TGeoGlobalMagField::Instance()->GetField()->TestBit(AliMagF::kOverrideGRP)) {
1736 AliInfo("ExpertMode!!! GRP information will be ignored !");
1737 AliInfo("ExpertMode!!! Running with the externally locked B field !");
1740 AliInfo("Destroying existing B field instance!");
1741 delete TGeoGlobalMagField::Instance();
1744 if ( !TGeoGlobalMagField::Instance()->IsLocked() ) {
1745 // Construct the field map out of the information retrieved from GRP.
1748 Float_t l3Current = fGRPData->GetL3Current((AliGRPObject::Stats)0);
1749 if (l3Current == AliGRPObject::GetInvalidFloat()) {
1750 AliError("GRP/GRP/Data entry: missing value for the L3 current !");
1754 Char_t l3Polarity = fGRPData->GetL3Polarity();
1755 if (l3Polarity == AliGRPObject::GetInvalidChar()) {
1756 AliError("GRP/GRP/Data entry: missing value for the L3 polarity !");
1761 Float_t diCurrent = fGRPData->GetDipoleCurrent((AliGRPObject::Stats)0);
1762 if (diCurrent == AliGRPObject::GetInvalidFloat()) {
1763 AliError("GRP/GRP/Data entry: missing value for the dipole current !");
1767 Char_t diPolarity = fGRPData->GetDipolePolarity();
1768 if (diPolarity == AliGRPObject::GetInvalidChar()) {
1769 AliError("GRP/GRP/Data entry: missing value for the dipole polarity !");
1773 // read special bits for the polarity convention and map type
1774 Int_t polConvention = fGRPData->IsPolarityConventionLHC() ? AliMagF::kConvLHC : AliMagF::kConvDCS2008;
1775 Bool_t uniformB = fGRPData->IsUniformBMap();
1778 AliMagF* fld = AliMagF::CreateFieldMap(TMath::Abs(l3Current) * (l3Polarity ? -1:1),
1779 TMath::Abs(diCurrent) * (diPolarity ? -1:1),
1780 polConvention,uniformB,beamEnergy, beamType.Data());
1782 TGeoGlobalMagField::Instance()->SetField( fld );
1783 TGeoGlobalMagField::Instance()->Lock();
1784 AliInfo("Running with the B field constructed out of GRP !");
1786 else AliFatal("Failed to create a B field map !");
1788 else AliFatal("B field is neither set nor constructed from GRP ! Exitig...");
1794 //====================================================================================================================================================
1796 Bool_t AliMuonForwardTrackFinder::SetRunNumber() {
1798 AliCDBManager *man = AliCDBManager::Instance();
1801 AliError("No run loader found!");
1805 fRunLoader->LoadHeader();
1806 // read run number from gAlice
1807 if (fRunLoader->GetHeader()) {
1808 man->SetRun(fRunLoader->GetHeader()->GetRun());
1809 fRunLoader->UnloadHeader();
1812 AliError("No run-loader header found!");
1821 //====================================================================================================================================================