1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
17 //-----------------------------
18 // Class AliMUONReconstructor
19 //-----------------------------
21 // MUON track reconstruction
23 #include "AliMUONReconstructor.h"
26 #include "AliESDMuonTrack.h"
28 #include "AliMUONConstants.h"
29 #include "AliMUONCalibrationData.h"
30 #include "AliMUONClusterFinderAZ.h"
31 #include "AliMUONClusterReconstructor.h"
32 #include "AliMUONData.h"
33 #include "AliMUONDigitCalibrator.h"
34 #include "AliMUONEventRecoCombi.h"
35 #include "AliMUONDigitMaker.h"
36 #include "AliMUONTrack.h"
37 #include "AliMUONTrackParam.h"
38 #include "AliMUONTrackExtrap.h"
39 #include "AliMUONVTrackReconstructor.h"
40 #include "AliMUONTrackReconstructor.h"
41 #include "AliMUONTrackReconstructorK.h"
42 #include "AliMUONTriggerTrack.h"
43 #include "AliMUONTriggerCircuit.h"
44 #include "AliMUONTriggerCrateStore.h"
46 #include "AliMpSegmentation.h"
48 #include "AliMUONPreClusterFinder.h"
49 #include "AliMUONClusterFinderCOG.h"
50 #include "AliMUONClusterFinderSimpleFit.h"
51 #include "AliMUONClusterFinderMLEM.h"
53 #include "AliRawReader.h"
55 #include "AliRunLoader.h"
57 #include "TStopwatch.h"
60 ClassImp(AliMUONReconstructor)
63 //_____________________________________________________________________________
64 AliMUONReconstructor::AliMUONReconstructor()
67 fDigitMaker(new AliMUONDigitMaker()),
68 fCalibrationData(0x0),
69 fCrateManager(new AliMUONTriggerCrateStore()),
70 fTriggerCircuit(new TClonesArray("AliMUONTriggerCircuit", 234)),
71 fTransformer(new AliMUONGeometryTransformer(kTRUE))
74 /// Default constructor
78 fCrateManager->ReadFromFile();
81 fDigitMaker->SetCrateManager(fCrateManager);
84 fTransformer->ReadGeometryData("volpath.dat", "geometry.root");
87 for (Int_t i = 0; i < AliMUONConstants::NTriggerCircuit(); i++) {
88 AliMUONTriggerCircuit* c = new AliMUONTriggerCircuit();
89 c->SetTransformer(fTransformer);
90 c->Init(i,*fCrateManager);
91 TClonesArray& circuit = *fTriggerCircuit;
92 new(circuit[circuit.GetEntriesFast()])AliMUONTriggerCircuit(*c);
99 //_____________________________________________________________________________
100 AliMUONReconstructor::~AliMUONReconstructor()
105 delete fCalibrationData;
107 delete fCrateManager;
108 delete fTriggerCircuit;
112 //_____________________________________________________________________________
114 AliMUONReconstructor::GetCalibrationTask(AliMUONData* data) const
116 /// Create the calibration task(s).
118 const AliRun* run = fRunLoader->GetAliRun();
120 AliInfo("Calibration will occur.");
121 Int_t runNumber = run->GetRunNumber();
122 fCalibrationData = new AliMUONCalibrationData(runNumber);
123 if ( !fCalibrationData->IsValid() )
125 AliError("Could not retrieve calibrations !");
126 delete fCalibrationData;
127 fCalibrationData = 0x0;
130 TTask* calibration = new TTask("MUONCalibrator","MUON Digit calibrator");
131 calibration->Add(new AliMUONDigitCalibrator(data,fCalibrationData));
132 //FIXME: calibration->Add(something about dead channels should go here).
137 //_____________________________________________________________________________
139 AliMUONReconstructor::Init(AliRunLoader* runLoader)
143 fRunLoader = runLoader;
146 //_____________________________________________________________________________
147 AliMUONClusterReconstructor*
148 AliMUONReconstructor::CreateClusterReconstructor(AliMUONData* data) const
150 /// Create cluster reconstructor
152 AliMUONVClusterFinder* clusterFinder(0x0);
154 TString opt(GetOption());
157 if ( strstr(opt,"PRECLUSTER") )
159 clusterFinder = new AliMUONPreClusterFinder;
161 else if ( strstr(opt,"COG") )
163 clusterFinder = new AliMUONClusterFinderCOG;
165 else if ( strstr(opt,"SIMPLEFIT") )
167 clusterFinder = new AliMUONClusterFinderSimpleFit;
169 else if ( strstr(opt,"MLEM:DRAW") )
171 clusterFinder = new AliMUONClusterFinderMLEM(kTRUE);
173 else if ( strstr(opt,"MLEM") )
175 clusterFinder = new AliMUONClusterFinderMLEM(kFALSE);
180 AliInfo(Form("Will use %s for clusterizing",clusterFinder->ClassName()));
183 AliMUONClusterReconstructor* clusterReco =
184 new AliMUONClusterReconstructor(data,clusterFinder,fTransformer);
188 //_____________________________________________________________________________
189 void AliMUONReconstructor::Reconstruct(AliRunLoader* runLoader) const
194 AliLoader* loader = runLoader->GetLoader("MUONLoader");
195 Int_t nEvents = runLoader->GetNumberOfEvents();
196 Int_t evtNumber = runLoader->GetEventNumber();
198 AliMUONData* data = new AliMUONData(loader,"MUON","MUON");
200 // passing loader as argument.
201 AliMUONVTrackReconstructor* recoEvent;
202 if (strstr(GetOption(),"Original")) recoEvent = new AliMUONTrackReconstructor(data);
203 else if (strstr(GetOption(),"Combi")) recoEvent = new AliMUONTrackReconstructorK(data,"Combi");
204 else recoEvent = new AliMUONTrackReconstructorK(data,"Kalman");
206 recoEvent->SetTriggerCircuit(fTriggerCircuit);
208 AliMUONClusterReconstructor* recoCluster = CreateClusterReconstructor(data);
210 AliMUONClusterFinderVS *recModel = recoCluster->GetRecoModel();
212 if (!strstr(GetOption(),"VS")) {
213 recModel = (AliMUONClusterFinderVS*) new AliMUONClusterFinderAZ();
214 recoCluster->SetRecoModel(recModel);
216 recModel->SetGhostChi2Cut(10);
217 recModel->SetEventNumber(evtNumber);
219 loader->LoadDigits("READ");
220 loader->LoadRecPoints("RECREATE");
221 loader->LoadTracks("RECREATE");
223 TTask* calibration = GetCalibrationTask(data);
225 Int_t chBeg = (strstr(GetOption(),"Combi") ? 6 : 0);
228 for(Int_t ievent = 0; ievent < nEvents; ievent++) {
230 AliDebug(1,Form("Event %d",ievent));
232 runLoader->GetEvent(ievent);
234 //----------------------- digit2cluster & Trigger2Trigger -------------------
235 if (!loader->TreeR()) loader->MakeRecPointsContainer();
238 if (!strstr(GetOption(),"Combi")) {
239 data->MakeBranch("RC");
240 data->SetTreeAddress("D,RC");
242 data->SetTreeAddress("D");
243 data->SetTreeAddress("RCC");
245 // Important for avoiding a memory leak when reading digits ( to be investigated more in detail)
246 // In any case the reading of GLT is needed for the Trigger2Tigger method below
247 data->SetTreeAddress("GLT");
253 calibration->ExecuteTask();
256 recoCluster->Digits2Clusters(chBeg);
258 if (strstr(GetOption(),"Combi")) {
259 // Combined cluster / track finder
260 AliMUONEventRecoCombi::Instance()->FillEvent(data, (AliMUONClusterFinderAZ*)recModel);
261 ((AliMUONClusterFinderAZ*) recModel)->SetReco(2);
263 else data->Fill("RC");
266 data->MakeBranch("TC");
267 data->SetTreeAddress("TC");
268 recoCluster->Trigger2Trigger();
271 //AZ loader->WriteRecPoints("OVERWRITE");
273 //---------------------------- Track & TriggerTrack ---------------------
274 if (!loader->TreeT()) loader->MakeTracksContainer();
277 data->MakeBranch("RL"); //trigger track
278 data->SetTreeAddress("RL");
279 recoEvent->EventReconstructTrigger();
283 data->MakeBranch("RT"); //track
284 data->SetTreeAddress("RT");
285 recoEvent->EventReconstruct();
288 loader->WriteTracks("OVERWRITE");
290 if (strstr(GetOption(),"Combi")) {
291 // Combined cluster / track
292 ((AliMUONClusterFinderAZ*) recModel)->SetReco(1);
293 data->MakeBranch("RC");
294 data->SetTreeAddress("RC");
295 AliMUONEventRecoCombi::Instance()->FillRecP(data, (AliMUONTrackReconstructorK*)recoEvent);
298 loader->WriteRecPoints("OVERWRITE");
300 //--------------------------- Resetting branches -----------------------
302 data->ResetRawClusters();
303 data->ResetTrigger();
304 data->ResetRecTracks();
305 data->ResetRecTriggerTracks();
308 loader->UnloadDigits();
309 loader->UnloadRecPoints();
310 loader->UnloadTracks();
318 //_____________________________________________________________________________
319 void AliMUONReconstructor::Reconstruct(AliRunLoader* runLoader,
320 AliRawReader* rawReader) const
326 AliLoader* loader = runLoader->GetLoader("MUONLoader");
327 Int_t evtNumber = runLoader->GetEventNumber();
329 AliMUONData data(loader,"MUON","MUON");
331 // passing loader as argument.
332 fDigitMaker->SetMUONData(&data);
334 AliMUONClusterReconstructor* recoCluster = CreateClusterReconstructor(&data);
336 AliMUONVTrackReconstructor *recoEvent;
337 if (strstr(GetOption(),"Original")) recoEvent = new AliMUONTrackReconstructor(&data);
338 else if (strstr(GetOption(),"Combi")) recoEvent = new AliMUONTrackReconstructorK(&data,"Combi");
339 else recoEvent = new AliMUONTrackReconstructorK(&data,"Kalman");
341 recoEvent->SetTriggerCircuit(fTriggerCircuit);
343 AliMUONClusterFinderVS *recModel = recoCluster->GetRecoModel();
345 if (!strstr(GetOption(),"VS"))
347 recModel = (AliMUONClusterFinderVS*) new AliMUONClusterFinderAZ();
348 recoCluster->SetRecoModel(recModel);
350 recModel->SetGhostChi2Cut(10);
351 recModel->SetEventNumber(evtNumber);
353 TTask* calibration = GetCalibrationTask(&data);
355 loader->LoadRecPoints("RECREATE");
356 loader->LoadTracks("RECREATE");
358 // Digits are not stored on disk and created on flight from rawdata.
359 // In order to write digits on disk the following line should be uncommented
360 // loader->LoadDigits("RECREATE");
365 TStopwatch totalTimer;
367 TStopwatch calibTimer;
368 TStopwatch clusterTimer;
369 TStopwatch trackingTimer;
371 rawTimer.Start(kTRUE); rawTimer.Stop();
372 calibTimer.Start(kTRUE); calibTimer.Stop();
373 clusterTimer.Start(kTRUE); clusterTimer.Stop();
374 trackingTimer.Start(kTRUE); trackingTimer.Stop();
376 totalTimer.Start(kTRUE);
378 while (rawReader->NextEvent())
380 AliDebug(1,Form("Event %d",iEvent));
382 runLoader->GetEvent(iEvent++);
384 //----------------------- raw2digits & raw2trigger-------------------
385 // if (!loader->TreeD())
387 // AliDebug(1,Form("Making Digit Container for event %d",iEvent));
388 // loader->MakeDigitsContainer();
390 // Digits are not stored on disk and created on flight from rawdata.
391 // In order to write digits on disk the following lines should be uncommented
392 // data.MakeBranch("D,GLT");
393 // data.SetTreeAddress("D,GLT");
394 data.SetDataContainer("D, GLT");
395 rawTimer.Start(kFALSE);
396 fDigitMaker->Raw2Digits(rawReader);
401 calibTimer.Start(kFALSE);
402 calibration->ExecuteTask();
405 // Digits are not stored on disk and created on flight from rawdata.
406 // In order to write digits on disk the following lines should be uncommented
407 // data.Fill("D,GLT");
408 // loader->WriteDigits("OVERWRITE");
409 //----------------------- digit2cluster & Trigger2Trigger -------------------
410 clusterTimer.Start(kFALSE);
412 if (!loader->TreeR()) loader->MakeRecPointsContainer();
415 data.MakeBranch("RC");
416 data.SetTreeAddress("RC");
417 recoCluster->Digits2Clusters();
421 data.MakeBranch("TC");
422 data.SetTreeAddress("TC");
425 loader->WriteRecPoints("OVERWRITE");
429 //---------------------------- Track & TriggerTrack ---------------------
430 trackingTimer.Start(kFALSE);
431 if (!loader->TreeT()) loader->MakeTracksContainer();
434 data.MakeBranch("RL"); //trigger track
435 data.SetTreeAddress("RL");
436 recoEvent->EventReconstructTrigger();
440 data.MakeBranch("RT"); //track
441 data.SetTreeAddress("RT");
442 recoEvent->EventReconstruct();
445 loader->WriteTracks("OVERWRITE");
446 trackingTimer.Stop();
448 //--------------------------- Resetting branches -----------------------
450 data.ResetRawClusters();
452 data.ResetRecTracks();
453 data.ResetRecTriggerTracks();
459 loader->UnloadRecPoints();
460 loader->UnloadTracks();
461 loader->UnloadDigits();
467 AliInfo(Form("Execution time for converting RAW data to digits in MUON : R:%.2fs C:%.2fs",
468 rawTimer.RealTime(),rawTimer.CpuTime()));
469 AliInfo(Form("Execution time for calibrating MUON : R:%.2fs C:%.2fs",
470 calibTimer.RealTime(),calibTimer.CpuTime()));
471 AliInfo(Form("Execution time for clusterizing MUON : R:%.2fs C:%.2fs",
472 clusterTimer.RealTime(),clusterTimer.CpuTime()));
473 AliInfo(Form("Execution time for tracking MUON : R:%.2fs C:%.2fs",
474 trackingTimer.RealTime(),trackingTimer.CpuTime()));
475 AliInfo(Form("Total Execution time for Reconstruct(from raw) MUON : R:%.2fs C:%.2fs",
476 totalTimer.RealTime(),totalTimer.CpuTime()));
479 //_____________________________________________________________________________
480 void AliMUONReconstructor::FillESD(AliRunLoader* runLoader, AliESD* esd) const
485 TClonesArray* recTracksArray = 0;
486 TClonesArray* recTrigTracksArray = 0;
488 AliLoader* loader = runLoader->GetLoader("MUONLoader");
489 loader->LoadTracks("READ");
490 AliMUONData* muonData = new AliMUONData(loader,"MUON","MUON");
493 Int_t iEvent;// nPart;
494 Int_t nTrackHits;// nPrimary;
497 Double_t bendingSlope, nonBendingSlope, inverseBendingMomentum;
498 Double_t xRec, yRec, zRec, chi2MatchTrigger;
501 // setting pointer for tracks, triggertracks & trackparam at vertex
502 AliMUONTrack* recTrack = 0;
503 AliMUONTrackParam* trackParam = 0;
504 AliMUONTriggerTrack* recTriggerTrack = 0;
506 iEvent = runLoader->GetEventNumber();
507 runLoader->GetEvent(iEvent);
510 Double_t vertex[3] = {0};
511 const AliESDVertex *esdVert = esd->GetVertex();
512 if (esdVert->GetNContributors()) {
513 esdVert->GetXYZ(vertex);
514 printf("find vertex\n");
516 // setting ESD MUON class
517 AliESDMuonTrack* theESDTrack = new AliESDMuonTrack() ;
519 //-------------------- trigger tracks-------------
521 muonData->SetTreeAddress("RL");
522 muonData->GetRecTriggerTracks();
523 recTrigTracksArray = muonData->RecTriggerTracks();
525 // ready global trigger pattern from first track
526 if (recTrigTracksArray)
527 recTriggerTrack = (AliMUONTriggerTrack*) recTrigTracksArray->First();
528 if (recTriggerTrack) trigPat = recTriggerTrack->GetGTPattern();
530 //printf(">>> Event %d Number of Recconstructed tracks %d \n",iEvent, nrectracks);
532 // -------------------- tracks-------------
533 muonData->SetTreeAddress("RT");
534 muonData->GetRecTracks();
535 recTracksArray = muonData->RecTracks();
537 Int_t nRecTracks = 0;
539 nRecTracks = (Int_t) recTracksArray->GetEntriesFast(); //
542 for (Int_t iRecTracks = 0; iRecTracks < nRecTracks; iRecTracks++) {
544 // reading info from tracks
545 recTrack = (AliMUONTrack*) recTracksArray->At(iRecTracks);
547 trackParam = (AliMUONTrackParam*) (recTrack->GetTrackParamAtHit())->First();
549 if (esdVert->GetNContributors())
550 AliMUONTrackExtrap::ExtrapToVertex(trackParam, vertex[0],vertex[1],vertex[2]);
552 bendingSlope = trackParam->GetBendingSlope();
553 nonBendingSlope = trackParam->GetNonBendingSlope();
554 inverseBendingMomentum = trackParam->GetInverseBendingMomentum();
555 xRec = trackParam->GetNonBendingCoor();
556 yRec = trackParam->GetBendingCoor();
557 zRec = trackParam->GetZ();
559 nTrackHits = recTrack->GetNTrackHits();
560 fitFmin = recTrack->GetFitFMin();
561 matchTrigger = recTrack->GetMatchTrigger();
562 chi2MatchTrigger = recTrack->GetChi2MatchTrigger();
564 // setting data member of ESD MUON
565 theESDTrack->SetInverseBendingMomentum(inverseBendingMomentum);
566 theESDTrack->SetThetaX(TMath::ATan(nonBendingSlope));
567 theESDTrack->SetThetaY(TMath::ATan(bendingSlope));
568 theESDTrack->SetZ(zRec);
569 theESDTrack->SetBendingCoor(yRec); // calculate vertex at ESD or Tracking level ?
570 theESDTrack->SetNonBendingCoor(xRec);
571 theESDTrack->SetChi2(fitFmin);
572 theESDTrack->SetNHit(nTrackHits);
573 theESDTrack->SetMatchTrigger(matchTrigger);
574 theESDTrack->SetChi2MatchTrigger(chi2MatchTrigger);
576 // storing ESD MUON Track into ESD Event
578 esd->AddMuonTrack(theESDTrack);
582 muonData->ResetRecTracks();
583 muonData->ResetRecTriggerTracks();
585 //} // end loop on event
586 loader->UnloadTracks();
590 }//_____________________________________________________________________________
591 void AliMUONReconstructor::FillESD(AliRunLoader* runLoader, AliRawReader* /*rawReader*/, AliESD* esd) const
596 // don't need rawReader ???
597 FillESD(runLoader, esd);