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 **************************************************************************/
18 #include "AliMUONESDInterface.h"
19 #include "AliMUONTrack.h"
20 #include "AliMUONVTrackStore.h"
21 #include "AliMUONVCluster.h"
22 #include "AliMUONVClusterStore.h"
23 #include "AliMUONVDigit.h"
24 #include "AliMUONVDigitStore.h"
25 #include "AliMUONLocalTrigger.h"
26 #include "AliMUONTriggerTrack.h"
27 #include "AliMUONVTriggerStore.h"
28 #include "AliMUON2DMapIterator.h"
29 #include "AliMUONTrackParam.h"
30 #include "AliMUONTrackExtrap.h"
31 #include "AliMUONConstants.h"
32 #include "AliMUONTracker.h"
33 #include "AliMUONRecoParam.h"
34 #include "AliMUONVTrackReconstructor.h"
36 #include "AliMpExMapIterator.h"
37 #include "AliMpVSegmentation.h"
38 #include "AliMpSegmentation.h"
41 #include "AliESDEvent.h"
42 #include "AliESDMuonTrack.h"
43 #include "AliESDMuonCluster.h"
44 #include "AliESDMuonPad.h"
48 #include <TIterator.h>
51 #include <Riostream.h>
53 //-----------------------------------------------------------------------------
54 /// \class AliMUONESDInterface
56 /// There are 2 way of using thid converter between MUON track/cluster/digit
57 /// and ESDMuon track/cluster/pad:
59 /// 1) using the static methods converting the objects one by one
61 /// 2) loading a whole ESDEvent and using the finders and/or the iterators
62 /// to access the corresponding MUON objects
64 /// note: You can set the recoParam used to refit the MUON track with ResetTracker(...);
65 /// By default we use Kalman filter + Smoother
67 /// \author Philippe Pillot
68 //-----------------------------------------------------------------------------
71 ClassImp(AliMUONESDInterface)
74 AliMUONRecoParam* AliMUONESDInterface::fgRecoParam = 0x0;
75 AliMUONVTrackReconstructor* AliMUONESDInterface::fgTracker = 0x0;
77 TString AliMUONESDInterface::fgTrackStoreName = "AliMUONTrackStoreV1";
78 TString AliMUONESDInterface::fgClusterStoreName = "AliMUONClusterStoreV2";
79 TString AliMUONESDInterface::fgDigitStoreName = "AliMUONDigitStoreV2R";
80 TString AliMUONESDInterface::fgTriggerStoreName = "AliMUONTriggerStoreV1";
82 //_____________________________________________________________________________
83 AliMUONESDInterface::AliMUONESDInterface()
91 /// Default constructor
94 //_____________________________________________________________________________
95 AliMUONESDInterface::~AliMUONESDInterface()
105 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++//
106 // methods to play with internal objects //
107 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++//
109 //_____________________________________________________________________________
110 void AliMUONESDInterface::Clear(Option_t*)
113 delete fTracks; fTracks = 0x0;
114 delete fDigits; fDigits = 0x0;
115 delete fTriggers; fTriggers = 0x0;
116 delete fClusterMap; fClusterMap = 0x0;
117 delete fDigitMap; fDigitMap = 0x0;
120 //_____________________________________________________________________________
121 void AliMUONESDInterface::Reset()
123 /// reset stores and maps
125 if (fTracks) fTracks->Clear("C");
126 else fTracks = NewTrackStore();
128 if (fDigits) fDigits->Clear("C");
129 else fDigits = NewDigitStore();
131 if (fTriggers) fTriggers->Clear("C");
132 else fTriggers = NewTriggerStore();
134 if (fClusterMap) fClusterMap->Clear();
135 else fClusterMap = new AliMpExMap;
136 fClusterMap->SetOwner(kTRUE);
138 if (fDigitMap) fDigitMap->Clear();
139 else fDigitMap = new AliMpExMap;
140 fDigitMap->SetOwner(kTRUE);
143 //_____________________________________________________________________________
144 void AliMUONESDInterface::LoadEvent(AliESDEvent& esdEvent)
146 /// Extract MUON data from the given ESD event
148 // reset data members
151 // loop over ESD tracks and fill the stores
152 Int_t nTracks = (Int_t) esdEvent.GetNumberOfMuonTracks();
153 for (Int_t iTrack = 0; iTrack < nTracks; iTrack++) {
156 AliESDMuonTrack* esdTrack = esdEvent.GetMuonTrack(iTrack);
158 // fill trigger store if related info are availables
159 if (esdTrack->ContainTriggerData()) Add(*esdTrack, *fTriggers);
161 // fill tracker data if availables
162 if (!esdTrack->ContainTrackerData()) continue;
164 // add it to track store
165 AliMUONTrack* track = Add(*esdTrack, *fTracks);
167 // prepare cluster map
168 AliMpExMap* cMap = new AliMpExMap;
169 cMap->SetOwner(kFALSE);
170 fClusterMap->Add(esdTrack->GetUniqueID(), cMap);
172 // prepare digit maps
173 AliMpExMap* dMaps = new AliMpExMap;
174 dMaps->SetOwner(kTRUE);
175 fDigitMap->Add(esdTrack->GetUniqueID(), dMaps);
177 // loop over ESD clusters
178 Int_t nClusters = esdTrack->GetNClusters();
179 for (Int_t iCluster = 0; iCluster < nClusters; iCluster++) {
182 AliESDMuonCluster *esdCluster = (AliESDMuonCluster*) esdTrack->GetClusters().UncheckedAt(iCluster);
184 // get the corresponding MUON cluster
185 AliMUONVCluster* cluster = FindClusterInTrack(*track, esdCluster->GetUniqueID());
188 cMap->Add(cluster->GetUniqueID(), cluster);
191 AliMpExMap* dMap =new AliMpExMap;
192 dMap->SetOwner(kFALSE);
193 dMaps->Add(esdCluster->GetUniqueID(), dMap);
195 // loop over ESD pads
196 Int_t nPads = esdCluster->GetNPads();
197 for (Int_t iPad = 0; iPad < nPads; iPad++) {
200 AliESDMuonPad *esdPad = (AliESDMuonPad*) esdCluster->GetPads().UncheckedAt(iPad);
202 // add it to digit store
203 AliMUONVDigit* digit = Add(*esdPad, *fDigits);
206 if (digit) dMap->Add(esdPad->GetUniqueID(), digit);
207 else dMap->Add(esdPad->GetUniqueID(), fDigits->FindObject(esdPad->GetUniqueID()));
209 } // end of loop over pads
211 } // end of loop over clusters
213 } // end of loop over tracks
217 //___________________________________________________________________________
218 Int_t AliMUONESDInterface::GetNTracks() const
220 /// return the number of tracks
221 return fTracks ? fTracks->GetSize() : 0;
224 //___________________________________________________________________________
225 Int_t AliMUONESDInterface::GetNClusters() const
227 /// return the number of clusters
230 TIter next(CreateTrackIterator());
231 while ((track = static_cast<AliMUONTrack*>(next()))) nClusters += track->GetNClusters();
235 //___________________________________________________________________________
236 Int_t AliMUONESDInterface::GetNClusters(UInt_t trackId) const
238 /// return the number of clusters in track "trackId"
239 AliMUONTrack* track = FindTrack(trackId);
240 return track ? track->GetNClusters() : 0;
243 //___________________________________________________________________________
244 Int_t AliMUONESDInterface::GetNDigits() const
246 /// return the number of digits
247 return fDigits ? fDigits->GetSize() : 0;
250 //___________________________________________________________________________
251 Int_t AliMUONESDInterface::GetNDigits(UInt_t trackId) const
253 /// return the number of digits in all clusters of track "trackId"
255 AliMUONVCluster *cluster;
256 TIter next(CreateClusterIterator(trackId));
257 while ((cluster = static_cast<AliMUONVCluster*>(next()))) nDigits += cluster->GetNDigits();
261 //___________________________________________________________________________
262 Int_t AliMUONESDInterface::GetNDigits(UInt_t trackId, UInt_t clusterId) const
264 /// return the number of digits in cluster numbered "iCluster" of track "iTrack"
265 AliMUONVCluster* cluster = FindCluster(trackId, clusterId);
266 return cluster ? cluster->GetNDigits() : 0;
269 //___________________________________________________________________________
270 Int_t AliMUONESDInterface::GetNDigitsInCluster(UInt_t clusterId) const
272 /// return the number of digits in cluster "clusterId"
273 AliMUONVCluster* cluster = FindCluster(clusterId);
274 return cluster ? cluster->GetNDigits() : 0;
277 //___________________________________________________________________________
278 Int_t AliMUONESDInterface::GetNTriggers() const
280 /// return the number of triggers
281 return fTriggers ? fTriggers->GetSize() : 0;
284 //___________________________________________________________________________
285 AliMUONTrack* AliMUONESDInterface::FindTrack(UInt_t trackId) const
287 /// return track "trackId" (0x0 if not found)
288 AliMUONTrack *track = fTracks ? static_cast<AliMUONTrack*>(fTracks->FindObject(trackId)) : 0x0;
289 if (!track) AliWarning(Form("track %d does not exist",trackId));
293 //___________________________________________________________________________
294 AliMUONVCluster* AliMUONESDInterface::FindCluster(UInt_t clusterId) const
296 /// loop over tracks and return the first cluster "clusterId" found (0x0 if not found)
298 AliMUONVCluster* cluster = 0x0;
302 TIter next(fClusterMap->CreateIterator());
303 while ((cMap = static_cast<AliMpExMap*>(next()))) {
305 cluster = static_cast<AliMUONVCluster*>(cMap->GetValue(clusterId));
306 if (cluster) return cluster;
312 if (!cluster) AliWarning(Form("cluster %d does not exist",clusterId));
316 //___________________________________________________________________________
317 AliMUONVCluster* AliMUONESDInterface::FindCluster(UInt_t trackId, UInt_t clusterId) const
319 /// return cluster "clusterId" in track "trackId" (0x0 if not found)
320 AliMpExMap *cMap = fClusterMap ? static_cast<AliMpExMap*>(fClusterMap->GetValue(trackId)) : 0x0;
321 AliMUONVCluster* cluster = cMap ? static_cast<AliMUONVCluster*>(cMap->GetValue(clusterId)) : 0x0;
322 if (!cluster) AliWarning(Form("cluster %d does not exist in track %d", clusterId, trackId));
326 //___________________________________________________________________________
327 AliMUONVDigit* AliMUONESDInterface::FindDigit(UInt_t digitId) const
329 /// return digit "digitId" (0x0 if not found)
330 AliMUONVDigit *digit = fDigits ? fDigits->FindObject(digitId) : 0x0;
331 if (!digit) AliWarning(Form("digit %d does not exist",digitId));
335 //___________________________________________________________________________
336 AliMUONLocalTrigger* AliMUONESDInterface::FindLocalTrigger(Int_t boardNumber) const
338 /// return MUON local trigger "boardNumber"
339 return (fTriggers) ? fTriggers->FindLocal(boardNumber) : 0x0;
342 //___________________________________________________________________________
343 TIterator* AliMUONESDInterface::CreateTrackIterator() const
345 /// return iterator over all tracks
346 return fTracks ? fTracks->CreateIterator() : 0x0;
349 //___________________________________________________________________________
350 TIterator* AliMUONESDInterface::CreateClusterIterator() const
352 /// return iterator over all clusters
353 return fClusterMap ? new AliMUON2DMapIterator(*fClusterMap) : 0x0;
356 //___________________________________________________________________________
357 TIterator* AliMUONESDInterface::CreateClusterIterator(UInt_t trackId) const
359 /// return iterator over clusters of track "trackId"
360 AliMpExMap *cMap = fClusterMap ? static_cast<AliMpExMap*>(fClusterMap->GetValue(trackId)) : 0x0;
361 return cMap ? cMap->CreateIterator() : 0x0;
364 //___________________________________________________________________________
365 TIterator* AliMUONESDInterface::CreateDigitIterator() const
367 /// return iterator over all digits
368 return fDigits ? fDigits->CreateIterator() : 0x0;
371 //___________________________________________________________________________
372 TIterator* AliMUONESDInterface::CreateDigitIterator(UInt_t trackId) const
374 /// return iterator over all digits of track "trackId"
375 AliMpExMap* dMaps = fDigitMap ? static_cast<AliMpExMap*>(fDigitMap->GetValue(trackId)) : 0x0;
376 return dMaps ? new AliMUON2DMapIterator(*dMaps) : 0x0;
379 //___________________________________________________________________________
380 TIterator* AliMUONESDInterface::CreateDigitIterator(UInt_t trackId, UInt_t clusterId) const
382 /// return iterator over digits of cluster "clusterId" in track "trackId"
383 AliMpExMap* dMaps = fDigitMap ? static_cast<AliMpExMap*>(fDigitMap->GetValue(trackId)) : 0x0;
384 AliMpExMap* dMap = dMaps ? static_cast<AliMpExMap*>(dMaps->GetValue(clusterId)) : 0x0;
385 return dMap ? dMap->CreateIterator() : 0x0;
388 //___________________________________________________________________________
389 TIterator* AliMUONESDInterface::CreateDigitIteratorInCluster(UInt_t clusterId) const
391 /// return iterator over digits of the first cluster "clusterId" found by looping over all tracks
393 AliMpExMap* dMap = 0x0;
397 TIter next(fDigitMap->CreateIterator());
398 while ((dMaps = static_cast<AliMpExMap*>(next()))) {
400 dMap = static_cast<AliMpExMap*>(dMaps->GetValue(clusterId));
401 if (dMap) return dMap->CreateIterator();
410 //___________________________________________________________________________
411 TIterator* AliMUONESDInterface::CreateLocalTriggerIterator() const
413 /// return iterator over all local trigger
414 return fTriggers ? fTriggers->CreateLocalIterator() : 0x0;
417 //___________________________________________________________________________
418 AliMUONVCluster* AliMUONESDInterface::FindClusterInTrack(const AliMUONTrack& track, UInt_t clusterId) const
420 /// find the cluster with the given Id into the track
422 Int_t nClusters = track.GetNClusters();
423 for (Int_t iCluster = 0; iCluster < nClusters; iCluster++) {
425 AliMUONVCluster* cluster = ((AliMUONTrackParam*) track.GetTrackParamAtCluster()->UncheckedAt(iCluster))->GetClusterPtr();
426 if (cluster->GetUniqueID() == clusterId) return cluster;
433 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++//
435 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++//
437 //_____________________________________________________________________________
438 void AliMUONESDInterface::ResetTracker(const AliMUONRecoParam* recoParam)
440 /// Reset the MUON tracker using "recoParam" if provided.
441 /// If not provided, will use Kalman filter + Smoother
448 fgRecoParam = new AliMUONRecoParam(*recoParam);
452 fgRecoParam = AliMUONRecoParam::GetLowFluxParam();
453 fgRecoParam->SetTrackingMode("KALMAN");
454 fgRecoParam->UseSmoother(kTRUE);
455 fgRecoParam->SetBendingVertexDispersion(10.);
459 fgTracker = AliMUONTracker::CreateTrackReconstructor(fgRecoParam,0x0);
463 //_____________________________________________________________________________
464 AliMUONVTrackStore* AliMUONESDInterface::NewTrackStore()
466 /// Create an empty track store of type fgTrackStoreName
467 TClass* classPtr = TClass::GetClass(fgTrackStoreName);
468 if (!classPtr || !classPtr->InheritsFrom("AliMUONVTrackStore")) {
469 cout<<"E-AliMUONESDInterface::NewTrackStore: Unable to create store of type "<<fgTrackStoreName.Data()<<endl;
472 return reinterpret_cast<AliMUONVTrackStore*>(classPtr->New());
475 //_____________________________________________________________________________
476 AliMUONVClusterStore* AliMUONESDInterface::NewClusterStore()
478 /// Create an empty cluster store of type fgClusterStoreName
479 TClass* classPtr = TClass::GetClass(fgClusterStoreName);
480 if (!classPtr || !classPtr->InheritsFrom("AliMUONVClusterStore")) {
481 cout<<"E-AliMUONESDInterface::NewClusterStore: Unable to create store of type "<<fgClusterStoreName.Data()<<endl;
484 return reinterpret_cast<AliMUONVClusterStore*>(classPtr->New());
487 //_____________________________________________________________________________
488 AliMUONVDigitStore* AliMUONESDInterface::NewDigitStore()
490 /// Create an empty digit store of type fgDigitStoreName
491 TClass* classPtr = TClass::GetClass(fgDigitStoreName);
492 if (!classPtr || !classPtr->InheritsFrom("AliMUONVDigitStore")) {
493 cout<<"E-AliMUONESDInterface::NewDigitStore: Unable to create store of type "<<fgDigitStoreName.Data()<<endl;
496 return reinterpret_cast<AliMUONVDigitStore*>(classPtr->New());
499 //_____________________________________________________________________________
500 AliMUONVTriggerStore* AliMUONESDInterface::NewTriggerStore()
502 /// Create an empty trigger store of type fgTriggerStoreName
503 TClass* classPtr = TClass::GetClass(fgTriggerStoreName);
504 if (!classPtr || !classPtr->InheritsFrom("AliMUONVTriggerStore")) {
505 cout<<"E-AliMUONESDInterface::NewTriggerStore: Unable to create store of type "<<fgTriggerStoreName.Data()<<endl;
508 return reinterpret_cast<AliMUONVTriggerStore*>(classPtr->New());
511 //_________________________________________________________________________
512 void AliMUONESDInterface::GetParamAtVertex(const AliESDMuonTrack& esdTrack, AliMUONTrackParam& trackParam)
514 /// Get parameters at vertex from ESDMuon track
515 trackParam.SetZ(esdTrack.GetZ());
516 trackParam.SetNonBendingCoor(esdTrack.GetNonBendingCoor());
517 trackParam.SetNonBendingSlope(TMath::Tan(esdTrack.GetThetaX()));
518 trackParam.SetBendingCoor(esdTrack.GetBendingCoor());
519 trackParam.SetBendingSlope(TMath::Tan(esdTrack.GetThetaY()));
520 trackParam.SetInverseBendingMomentum(esdTrack.GetInverseBendingMomentum());
523 //_________________________________________________________________________
524 void AliMUONESDInterface::GetParamAtDCA(const AliESDMuonTrack& esdTrack, AliMUONTrackParam& trackParam)
526 /// Get parameters at DCA from ESDMuon track
527 trackParam.SetZ(esdTrack.GetZ());
528 trackParam.SetNonBendingCoor(esdTrack.GetNonBendingCoorAtDCA());
529 trackParam.SetNonBendingSlope(TMath::Tan(esdTrack.GetThetaXAtDCA()));
530 trackParam.SetBendingCoor(esdTrack.GetBendingCoorAtDCA());
531 trackParam.SetBendingSlope(TMath::Tan(esdTrack.GetThetaYAtDCA()));
532 trackParam.SetInverseBendingMomentum(esdTrack.GetInverseBendingMomentumAtDCA());
535 //_________________________________________________________________________
536 void AliMUONESDInterface::GetParamAtFirstCluster(const AliESDMuonTrack& esdTrack, AliMUONTrackParam& trackParam)
538 /// Get parameters at first cluster from ESDMuon track
539 trackParam.SetZ(esdTrack.GetZUncorrected());
540 trackParam.SetNonBendingCoor(esdTrack.GetNonBendingCoorUncorrected());
541 trackParam.SetNonBendingSlope(TMath::Tan(esdTrack.GetThetaXUncorrected()));
542 trackParam.SetBendingCoor(esdTrack.GetBendingCoorUncorrected());
543 trackParam.SetBendingSlope(TMath::Tan(esdTrack.GetThetaYUncorrected()));
544 trackParam.SetInverseBendingMomentum(esdTrack.GetInverseBendingMomentumUncorrected());
547 //_________________________________________________________________________
548 void AliMUONESDInterface::GetParamCov(const AliESDMuonTrack& esdTrack, AliMUONTrackParam& trackParam)
550 /// Get parameters covariances from ESD track
552 // get ESD covariance matrix
553 TMatrixD covariances(5,5);
554 esdTrack.GetCovariances(covariances);
556 // compute Jacobian to change the coordinate system
557 // from (X,thetaX,Y,thetaY,c/pYZ) to (X,slopeX,Y,slopeY,c/pYZ)
558 Double_t cosThetaX = TMath::Cos(esdTrack.GetThetaXUncorrected());
559 Double_t cosThetaY = TMath::Cos(esdTrack.GetThetaYUncorrected());
563 jacob(1,1) = 1. / cosThetaX / cosThetaX;
565 jacob(3,3) = 1. / cosThetaY / cosThetaY;
568 // compute covariance matrix in ESD coordinate system
569 TMatrixD tmp(covariances,TMatrixD::kMultTranspose,jacob);
570 trackParam.SetCovariances(TMatrixD(jacob,TMatrixD::kMult,tmp));
574 //_________________________________________________________________________
575 void AliMUONESDInterface::SetParamAtVertex(const AliMUONTrackParam& trackParam, AliESDMuonTrack& esdTrack)
577 /// Set parameters in ESD track
578 esdTrack.SetZ(trackParam.GetZ());
579 esdTrack.SetNonBendingCoor(trackParam.GetNonBendingCoor());
580 esdTrack.SetThetaX(TMath::ATan(trackParam.GetNonBendingSlope()));
581 esdTrack.SetBendingCoor(trackParam.GetBendingCoor());
582 esdTrack.SetThetaY(TMath::ATan(trackParam.GetBendingSlope()));
583 esdTrack.SetInverseBendingMomentum(trackParam.GetInverseBendingMomentum());
586 //_________________________________________________________________________
587 void AliMUONESDInterface::SetParamAtDCA(const AliMUONTrackParam& trackParam, AliESDMuonTrack& esdTrack)
589 /// Set parameters in ESD track
590 esdTrack.SetNonBendingCoorAtDCA(trackParam.GetNonBendingCoor());
591 esdTrack.SetThetaXAtDCA(TMath::ATan(trackParam.GetNonBendingSlope()));
592 esdTrack.SetBendingCoorAtDCA(trackParam.GetBendingCoor());
593 esdTrack.SetThetaYAtDCA(TMath::ATan(trackParam.GetBendingSlope()));
594 esdTrack.SetInverseBendingMomentumAtDCA(trackParam.GetInverseBendingMomentum());
597 //_________________________________________________________________________
598 void AliMUONESDInterface::SetParamAtFirstCluster(const AliMUONTrackParam& trackParam, AliESDMuonTrack& esdTrack)
600 /// Set parameters in ESD track
601 esdTrack.SetZUncorrected(trackParam.GetZ());
602 esdTrack.SetNonBendingCoorUncorrected(trackParam.GetNonBendingCoor());
603 esdTrack.SetThetaXUncorrected(TMath::ATan(trackParam.GetNonBendingSlope()));
604 esdTrack.SetBendingCoorUncorrected(trackParam.GetBendingCoor());
605 esdTrack.SetThetaYUncorrected(TMath::ATan(trackParam.GetBendingSlope()));
606 esdTrack.SetInverseBendingMomentumUncorrected(trackParam.GetInverseBendingMomentum());
609 //_________________________________________________________________________
610 void AliMUONESDInterface::SetParamCov(const AliMUONTrackParam& trackParam, AliESDMuonTrack& esdTrack)
612 /// Set parameters covariances in ESD track
614 // set null matrix if covariances does not exist
615 if (!trackParam.CovariancesExist()) {
618 esdTrack.SetCovariances(tmp);
622 // compute Jacobian to change the coordinate system
623 // from (X,slopeX,Y,slopeY,c/pYZ) to (X,thetaX,Y,thetaY,c/pYZ)
624 Double_t cosThetaX = TMath::Cos(TMath::ATan(trackParam.GetNonBendingSlope()));
625 Double_t cosThetaY = TMath::Cos(TMath::ATan(trackParam.GetBendingSlope()));
629 jacob(1,1) = cosThetaX * cosThetaX;
631 jacob(3,3) = cosThetaY * cosThetaY;
634 // compute covariance matrix in ESD coordinate system
635 TMatrixD tmp(trackParam.GetCovariances(),TMatrixD::kMultTranspose,jacob);
636 esdTrack.SetCovariances(TMatrixD(jacob,TMatrixD::kMult,tmp));
640 //_____________________________________________________________________________
641 void AliMUONESDInterface::ESDToMUON(const AliESDMuonTrack& esdTrack, AliMUONTrack& track)
643 /// Transfert data from ESDMuon track to MUON track.
644 /// The track parameters at each cluster are obtained by refitting the track
645 /// or by extrapolating the parameters at the first one if the refit failed.
646 /// note: You can set the recoParam used to refit the MUON track with ResetTracker(...);
647 /// By default we use Kalman filter + Smoother
649 // if the ESDMuon track is a ghost then return an empty MUON track
650 if (!esdTrack.ContainTrackerData()) {
652 track.SetUniqueID(esdTrack.GetUniqueID());
659 track.SetUniqueID(esdTrack.GetUniqueID());
660 track.FitWithVertex(kFALSE);
661 track.FitWithMCS(kFALSE);
662 track.SetImproved(kFALSE);
663 track.SetVertexErrXY2(0.,0.);
664 track.SetGlobalChi2(esdTrack.GetChi2());
665 track.SetMatchTrigger(esdTrack.GetMatchTrigger());
666 track.SetLoTrgNum(-1);
667 track.SetChi2MatchTrigger(esdTrack.GetChi2MatchTrigger());
668 track.SetHitsPatternInTrigCh(esdTrack.GetHitsPatternInTrigCh());
669 track.SetLocalTrigger(esdTrack.LoCircuit(), esdTrack.LoStripX(), esdTrack.LoStripY(),
670 esdTrack.LoDev(), esdTrack.LoLpt(), esdTrack.LoHpt());
672 // track parameters at vertex
673 AliMUONTrackParam paramAtVertex;
674 GetParamAtVertex(esdTrack, paramAtVertex);
675 track.SetTrackParamAtVertex(¶mAtVertex);
677 // track parameters at first cluster
678 AliMUONTrackParam param;
679 GetParamAtFirstCluster(esdTrack, param);
680 GetParamCov(esdTrack, param);
682 // create empty cluster
683 AliMUONVClusterStore* cStore = NewClusterStore();
685 AliMUONVCluster* cluster = cStore->CreateCluster(0,0,0);
687 // fill TrackParamAtCluster with track parameters at each cluster if available
688 // or with only track parameters at first (fake) cluster if not
689 if(esdTrack.ClustersStored()) {
691 // loop over ESD clusters
692 AliESDMuonCluster *esdCluster = (AliESDMuonCluster*) esdTrack.GetClusters().First();
695 // copy cluster information
696 ESDToMUON(*esdCluster, *cluster);
698 // only set the Z parameter to avoid error in the AddTrackParamAtCluster(...) method
699 param.SetZ(cluster->GetZ());
701 // add common track parameters at current cluster
702 track.AddTrackParamAtCluster(param, *cluster, kTRUE);
704 esdCluster = (AliESDMuonCluster*) esdTrack.GetClusters().After(esdCluster);
707 // recompute parameters at first cluster in case of those stored
708 // in ESD are not related to the most upstream cluster
709 AliMUONTrackParam *firstTrackParam = (AliMUONTrackParam*) track.GetTrackParamAtCluster()->First();
710 firstTrackParam->SetZ(esdTrack.GetZUncorrected()); // reset the z to the one stored in ESD
711 AliMUONTrackExtrap::ExtrapToZCov(firstTrackParam,firstTrackParam->GetClusterPtr()->GetZ());
713 // refit the track to get better parameters and covariances at each cluster (temporary disable track improvement)
714 if (!fgTracker) ResetTracker();
715 if (!fgTracker->RefitTrack(track, kFALSE)) track.UpdateCovTrackParamAtCluster();
719 // get number of the first hit chamber according to the MUONClusterMap
721 while (firstCh < 10 && !esdTrack.IsInMuonClusterMap(firstCh)) firstCh++;
723 // produce fake cluster at this chamber
724 cluster->SetUniqueID(AliMUONVCluster::BuildUniqueID(firstCh, 0, 0));
725 cluster->SetXYZ(param.GetNonBendingCoor(), param.GetBendingCoor(), param.GetZ());
726 cluster->SetErrXY(0., 0.);
728 // add track parameters at first (fake) cluster
729 track.AddTrackParamAtCluster(param, *cluster, kTRUE);
733 // set the MC label from ESD track
734 track.SetMCLabel(esdTrack.GetLabel());
741 //_____________________________________________________________________________
742 void AliMUONESDInterface::ESDToMUON(const AliESDMuonTrack& esdTrack, AliMUONLocalTrigger& locTrg)
744 /// Transfert trigger data from ESDMuon track to the MUONLocalTtrigger object
746 // if the ESDMuon track is a ghost then return an empty MUON track
747 if (!esdTrack.ContainTriggerData()) {
748 AliMUONLocalTrigger emptyLocTrg;
749 locTrg = emptyLocTrg;
753 locTrg.SetLoCircuit(esdTrack.LoCircuit());
754 locTrg.SetLoStripX(esdTrack.LoStripX());
755 locTrg.SetLoStripY(esdTrack.LoStripY());
756 locTrg.SetDeviation(esdTrack.LoDev());
757 locTrg.SetLoLpt(esdTrack.LoLpt());
758 locTrg.SetLoHpt(esdTrack.LoHpt());
759 locTrg.SetLoTrigY(1);
760 locTrg.SetX1Pattern(esdTrack.GetTriggerX1Pattern());
761 locTrg.SetX2Pattern(esdTrack.GetTriggerX2Pattern());
762 locTrg.SetX3Pattern(esdTrack.GetTriggerX3Pattern());
763 locTrg.SetX4Pattern(esdTrack.GetTriggerX4Pattern());
764 locTrg.SetY1Pattern(esdTrack.GetTriggerY1Pattern());
765 locTrg.SetY2Pattern(esdTrack.GetTriggerY2Pattern());
766 locTrg.SetY3Pattern(esdTrack.GetTriggerY3Pattern());
767 locTrg.SetY4Pattern(esdTrack.GetTriggerY4Pattern());
771 //_____________________________________________________________________________
772 void AliMUONESDInterface::ESDToMUON(const AliESDMuonCluster& esdCluster, AliMUONVCluster& cluster)
774 /// Transfert data from ESDMuon cluster to MUON cluster
778 cluster.SetUniqueID(esdCluster.GetUniqueID());
779 cluster.SetXYZ(esdCluster.GetX(), esdCluster.GetY(), esdCluster.GetZ());
780 cluster.SetErrXY(esdCluster.GetErrX(),esdCluster.GetErrY());
781 cluster.SetCharge(esdCluster.GetCharge());
782 cluster.SetChi2(esdCluster.GetChi2());
783 cluster.SetMCLabel(esdCluster.GetLabel());
785 if (esdCluster.PadsStored()) {
786 Int_t nPads = esdCluster.GetNPads();
787 for (Int_t iPad = 0; iPad < nPads; iPad++)
788 cluster.AddDigitId(((AliESDMuonPad*)esdCluster.GetPads().UncheckedAt(iPad))->GetUniqueID());
793 //___________________________________________________________________________
794 void AliMUONESDInterface::ESDToMUON(const AliESDMuonPad& esdPad, AliMUONVDigit& digit)
796 /// Transfert data from ESDMuon pad to MUON digit
798 const AliMpVSegmentation* seg = AliMpSegmentation::Instance()->GetMpSegmentationByElectronics(esdPad.GetDetElemId(), esdPad.GetManuId());
799 AliMpPad pad = seg->PadByLocation(esdPad.GetManuId(), esdPad.GetManuChannel(), kFALSE);
801 digit.Saturated(esdPad.IsSaturated());
803 digit.Calibrated(esdPad.IsCalibrated());
804 digit.SetUniqueID(esdPad.GetUniqueID());
805 digit.SetCharge(esdPad.GetCharge());
806 digit.SetADC(esdPad.GetADC());
807 digit.SetPadXY(pad.GetIx(), pad.GetIy());
811 //_____________________________________________________________________________
812 void AliMUONESDInterface::MUONToESD(const AliMUONTrack& track, AliESDMuonTrack& esdTrack, const Double_t vertex[3],
813 const AliMUONVDigitStore* digits, const AliMUONLocalTrigger* locTrg)
815 /// Transfert data from MUON track to ESDMuon track
816 /// Incorporate the ESDPads if the digits are provided
817 /// Add trigger info if the MUON track is matched with a trigger track
819 // empty MUON track -> produce a ghost ESDMuon track if trigger info are available otherwise produce an empty track
820 if (track.GetNClusters() == 0) {
821 if (locTrg) MUONToESD(*locTrg, esdTrack, track.GetUniqueID());
823 cout<<"W-AliMUONESDInterface::MUONToESD: will produce an empty ESDMuon track"<<endl;
825 esdTrack.SetUniqueID(0xFFFFFFFF);
833 esdTrack.SetUniqueID(track.GetUniqueID());
834 esdTrack.SetChi2(track.GetGlobalChi2());
835 esdTrack.SetNHit(track.GetNClusters());
836 esdTrack.SetLabel(track.GetMCLabel());
838 // set param at first cluster
839 AliMUONTrackParam* trackParam = static_cast<AliMUONTrackParam*>((track.GetTrackParamAtCluster())->First());
840 SetParamAtFirstCluster(*trackParam, esdTrack);
841 SetParamCov(*trackParam, esdTrack);
843 // set param at vertex
844 AliMUONTrackParam trackParamAtVtx(*trackParam);
845 AliMUONTrackExtrap::ExtrapToVertex(&trackParamAtVtx, vertex[0], vertex[1], vertex[2], 0., 0.);
846 SetParamAtVertex(trackParamAtVtx, esdTrack);
848 // set param at Distance of Closest Approach
849 AliMUONTrackParam trackParamAtDCA(*trackParam);
850 AliMUONTrackExtrap::ExtrapToVertexWithoutBranson(&trackParamAtDCA, vertex[2]);
851 SetParamAtDCA(trackParamAtDCA, esdTrack);
853 // set muon cluster info
854 AliESDMuonCluster esdCluster;
855 esdTrack.SetMuonClusterMap(0);
857 MUONToESD(*(trackParam->GetClusterPtr()), esdCluster, digits);
858 esdTrack.AddCluster(esdCluster);
859 esdTrack.AddInMuonClusterMap(esdCluster.GetChamberId());
860 trackParam = static_cast<AliMUONTrackParam*>(track.GetTrackParamAtCluster()->After(trackParam));
864 esdTrack.SetLocalTrigger(track.GetLocalTrigger());
865 esdTrack.SetChi2MatchTrigger(track.GetChi2MatchTrigger());
866 esdTrack.SetHitsPatternInTrigCh(track.GetHitsPatternInTrigCh());
868 esdTrack.SetTriggerX1Pattern(locTrg->GetX1Pattern());
869 esdTrack.SetTriggerY1Pattern(locTrg->GetY1Pattern());
870 esdTrack.SetTriggerX2Pattern(locTrg->GetX2Pattern());
871 esdTrack.SetTriggerY2Pattern(locTrg->GetY2Pattern());
872 esdTrack.SetTriggerX3Pattern(locTrg->GetX3Pattern());
873 esdTrack.SetTriggerY3Pattern(locTrg->GetY3Pattern());
874 esdTrack.SetTriggerX4Pattern(locTrg->GetX4Pattern());
875 esdTrack.SetTriggerY4Pattern(locTrg->GetY4Pattern());
877 esdTrack.SetTriggerX1Pattern(0);
878 esdTrack.SetTriggerY1Pattern(0);
879 esdTrack.SetTriggerX2Pattern(0);
880 esdTrack.SetTriggerY2Pattern(0);
881 esdTrack.SetTriggerX3Pattern(0);
882 esdTrack.SetTriggerY3Pattern(0);
883 esdTrack.SetTriggerX4Pattern(0);
884 esdTrack.SetTriggerY4Pattern(0);
889 //_____________________________________________________________________________
890 void AliMUONESDInterface::MUONToESD(const AliMUONLocalTrigger& locTrg, AliESDMuonTrack& esdTrack,
891 UInt_t trackId, const AliMUONTriggerTrack* triggerTrack)
893 /// Build ghost ESDMuon track containing only informations about trigger track
896 esdTrack.SetUniqueID(trackId);
899 AliMUONTrack muonTrack;
900 muonTrack.SetLocalTrigger(locTrg.LoCircuit(),
903 locTrg.GetDeviation(),
906 esdTrack.SetLocalTrigger(muonTrack.GetLocalTrigger());
907 esdTrack.SetChi2MatchTrigger(0.);
908 esdTrack.SetTriggerX1Pattern(locTrg.GetX1Pattern());
909 esdTrack.SetTriggerY1Pattern(locTrg.GetY1Pattern());
910 esdTrack.SetTriggerX2Pattern(locTrg.GetX2Pattern());
911 esdTrack.SetTriggerY2Pattern(locTrg.GetY2Pattern());
912 esdTrack.SetTriggerX3Pattern(locTrg.GetX3Pattern());
913 esdTrack.SetTriggerY3Pattern(locTrg.GetY3Pattern());
914 esdTrack.SetTriggerX4Pattern(locTrg.GetX4Pattern());
915 esdTrack.SetTriggerY4Pattern(locTrg.GetY4Pattern());
916 UShort_t hitPattern = 0;
918 hitPattern = triggerTrack->GetHitsPatternInTrigCh();
919 esdTrack.SetHitsPatternInTrigCh(hitPattern);
920 esdTrack.SetThetaXUncorrected(triggerTrack->GetThetax());
921 esdTrack.SetThetaYUncorrected(triggerTrack->GetThetay());
922 esdTrack.SetNonBendingCoorUncorrected(triggerTrack->GetX11());
923 esdTrack.SetBendingCoorUncorrected(triggerTrack->GetY11());
927 //_____________________________________________________________________________
928 void AliMUONESDInterface::MUONToESD(const AliMUONVCluster& cluster, AliESDMuonCluster& esdCluster, const AliMUONVDigitStore* digits)
930 /// Transfert data from MUON cluster to ESDMuon cluster
931 /// Incorporate the ESDPads if the digits are provided
933 esdCluster.Clear("C");
935 esdCluster.SetUniqueID(cluster.GetUniqueID());
936 esdCluster.SetXYZ(cluster.GetX(), cluster.GetY(), cluster.GetZ());
937 esdCluster.SetErrXY(cluster.GetErrX(), cluster.GetErrY());
938 esdCluster.SetCharge(cluster.GetCharge());
939 esdCluster.SetChi2(cluster.GetChi2());
940 esdCluster.SetLabel(cluster.GetMCLabel());
942 if (digits) { // transfert all data if required
944 AliESDMuonPad esdPad;
945 for (Int_t i=0; i<cluster.GetNDigits(); i++) {
946 AliMUONVDigit* digit = digits->FindObject(cluster.GetDigitId(i));
948 cout<<"E-AliMUONESDInterface::MUONToESD: digit "<<cluster.GetDigitId(i)<<" not found"<<endl;
951 MUONToESD(*digit, esdPad);
952 esdCluster.AddPad(esdPad);
959 //_____________________________________________________________________________
960 void AliMUONESDInterface::MUONToESD(const AliMUONVDigit& digit, AliESDMuonPad& esdPad)
962 /// Transfert data from MUON digit to ESDMuon pad
963 esdPad.SetUniqueID(digit.GetUniqueID());
964 esdPad.SetADC(digit.ADC());
965 esdPad.SetCharge(digit.Charge());
966 esdPad.SetCalibrated(digit.IsCalibrated());
967 esdPad.SetSaturated(digit.IsSaturated());
970 //___________________________________________________________________________
971 AliMUONTrack* AliMUONESDInterface::Add(const AliESDMuonTrack& esdTrack, AliMUONVTrackStore& trackStore)
973 /// Create MUON track from ESDMuon track and add it to the store
974 /// return a pointer to the track into the store (0x0 if the track already exist)
975 if(trackStore.FindObject(esdTrack.GetUniqueID())) return 0x0;
976 AliMUONTrack* track = trackStore.Add(AliMUONTrack());
977 ESDToMUON(esdTrack, *track);
981 //___________________________________________________________________________
982 void AliMUONESDInterface::Add(const AliESDMuonTrack& esdTrack, AliMUONVTriggerStore& triggerStore)
984 /// Create MUON local trigger from ESDMuon track and add it to the store if not already there
985 if (triggerStore.FindLocal(esdTrack.LoCircuit())) return;
986 AliMUONLocalTrigger locTrg;
987 ESDToMUON(esdTrack, locTrg);
988 triggerStore.Add(locTrg);
991 //___________________________________________________________________________
992 AliMUONVCluster* AliMUONESDInterface::Add(const AliESDMuonCluster& esdCluster, AliMUONVClusterStore& clusterStore)
994 /// Create MUON cluster from ESDMuon cluster and add it to the store
995 /// return a pointer to the cluster into the store (0x0 if the cluster already exist)
996 AliMUONVCluster* cluster = clusterStore.Add(esdCluster.GetChamberId(), esdCluster.GetDetElemId(), esdCluster.GetClusterIndex());
997 if (cluster) ESDToMUON(esdCluster, *cluster);
1001 //___________________________________________________________________________
1002 AliMUONVDigit* AliMUONESDInterface::Add(const AliESDMuonPad& esdPad, AliMUONVDigitStore& digitStore)
1004 /// Create MUON digit from ESDMuon digit and add it to the store
1005 /// return a pointer to the digit into the store (0x0 if the digit already exist)
1006 AliMUONVDigit* digit = digitStore.Add(esdPad.GetDetElemId(), esdPad.GetManuId(), esdPad.GetManuChannel(), esdPad.GetCathode(), AliMUONVDigitStore::kDeny);
1007 if (digit) ESDToMUON(esdPad, *digit);