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>
52 #include <TGeoGlobalMagField.h>
53 #include <TVirtualMagField.h>
55 //-----------------------------------------------------------------------------
56 /// \class AliMUONESDInterface
58 /// There are 2 way of using thid converter between MUON track/cluster/digit
59 /// and ESDMuon track/cluster/pad:
61 /// 1) using the static methods converting the objects one by one
63 /// 2) loading a whole ESDEvent and using the finders and/or the iterators
64 /// to access the corresponding MUON objects
66 /// note: You can set the recoParam used to refit the MUON track with ResetTracker(...);
67 /// By default we use Kalman filter + Smoother
69 /// \author Philippe Pillot
70 //-----------------------------------------------------------------------------
73 ClassImp(AliMUONESDInterface)
76 AliMUONRecoParam* AliMUONESDInterface::fgRecoParam = 0x0;
77 AliMUONVTrackReconstructor* AliMUONESDInterface::fgTracker = 0x0;
79 TString AliMUONESDInterface::fgTrackStoreName = "AliMUONTrackStoreV1";
80 TString AliMUONESDInterface::fgClusterStoreName = "AliMUONClusterStoreV2";
81 TString AliMUONESDInterface::fgDigitStoreName = "AliMUONDigitStoreV2R";
82 TString AliMUONESDInterface::fgTriggerStoreName = "AliMUONTriggerStoreV1";
84 //_____________________________________________________________________________
85 AliMUONESDInterface::AliMUONESDInterface()
93 /// Default constructor
96 //_____________________________________________________________________________
97 AliMUONESDInterface::~AliMUONESDInterface()
107 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++//
108 // methods to play with internal objects //
109 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++//
111 //_____________________________________________________________________________
112 void AliMUONESDInterface::Clear(Option_t*)
115 delete fTracks; fTracks = 0x0;
116 delete fDigits; fDigits = 0x0;
117 delete fTriggers; fTriggers = 0x0;
118 delete fClusterMap; fClusterMap = 0x0;
119 delete fDigitMap; fDigitMap = 0x0;
122 //_____________________________________________________________________________
123 void AliMUONESDInterface::Reset()
125 /// reset stores and maps
127 if (fTracks) fTracks->Clear("C");
128 else fTracks = NewTrackStore();
130 if (fDigits) fDigits->Clear("C");
131 else fDigits = NewDigitStore();
133 if (fTriggers) fTriggers->Clear("C");
134 else fTriggers = NewTriggerStore();
136 if (fClusterMap) fClusterMap->Clear();
137 else fClusterMap = new AliMpExMap;
138 fClusterMap->SetOwner(kTRUE);
140 if (fDigitMap) fDigitMap->Clear();
141 else fDigitMap = new AliMpExMap;
142 fDigitMap->SetOwner(kTRUE);
145 //_____________________________________________________________________________
146 void AliMUONESDInterface::LoadEvent(AliESDEvent& esdEvent, Bool_t refit)
148 /// Extract MUON data from the given ESD event
150 // reset data members
153 // loop over ESD tracks and fill the stores
154 Int_t nTracks = (Int_t) esdEvent.GetNumberOfMuonTracks();
155 for (Int_t iTrack = 0; iTrack < nTracks; iTrack++) {
158 AliESDMuonTrack* esdTrack = esdEvent.GetMuonTrack(iTrack);
160 // fill trigger store if related info are availables
161 if (esdTrack->ContainTriggerData()) Add(*esdTrack, *fTriggers);
163 // fill tracker data if availables
164 if (!esdTrack->ContainTrackerData()) continue;
166 // add it to track store
167 AliMUONTrack* track = Add(*esdTrack, *fTracks, refit);
169 // prepare cluster map
170 AliMpExMap* cMap = new AliMpExMap;
171 cMap->SetOwner(kFALSE);
172 fClusterMap->Add(esdTrack->GetUniqueID(), cMap);
174 // prepare digit maps
175 AliMpExMap* dMaps = new AliMpExMap;
176 dMaps->SetOwner(kTRUE);
177 fDigitMap->Add(esdTrack->GetUniqueID(), dMaps);
179 // loop over ESD clusters
180 Int_t nClusters = esdTrack->GetNClusters();
181 for (Int_t iCluster = 0; iCluster < nClusters; iCluster++) {
184 AliESDMuonCluster *esdCluster = (AliESDMuonCluster*) esdTrack->GetClusters().UncheckedAt(iCluster);
186 // get the corresponding MUON cluster
187 AliMUONVCluster* cluster = FindClusterInTrack(*track, esdCluster->GetUniqueID());
190 cMap->Add(cluster->GetUniqueID(), cluster);
193 AliMpExMap* dMap =new AliMpExMap;
194 dMap->SetOwner(kFALSE);
195 dMaps->Add(esdCluster->GetUniqueID(), dMap);
197 // loop over ESD pads
198 Int_t nPads = esdCluster->GetNPads();
199 for (Int_t iPad = 0; iPad < nPads; iPad++) {
202 AliESDMuonPad *esdPad = (AliESDMuonPad*) esdCluster->GetPads().UncheckedAt(iPad);
204 // add it to digit store
205 AliMUONVDigit* digit = Add(*esdPad, *fDigits);
208 if (digit) dMap->Add(esdPad->GetUniqueID(), digit);
209 else dMap->Add(esdPad->GetUniqueID(), fDigits->FindObject(esdPad->GetUniqueID()));
211 } // end of loop over pads
213 } // end of loop over clusters
215 } // end of loop over tracks
219 //___________________________________________________________________________
220 Int_t AliMUONESDInterface::GetNTracks() const
222 /// return the number of tracks
223 return fTracks ? fTracks->GetSize() : 0;
226 //___________________________________________________________________________
227 Int_t AliMUONESDInterface::GetNClusters() const
229 /// return the number of clusters
232 TIter next(CreateTrackIterator());
233 while ((track = static_cast<AliMUONTrack*>(next()))) nClusters += track->GetNClusters();
237 //___________________________________________________________________________
238 Int_t AliMUONESDInterface::GetNClusters(UInt_t trackId) const
240 /// return the number of clusters in track "trackId"
241 AliMUONTrack* track = FindTrack(trackId);
242 return track ? track->GetNClusters() : 0;
245 //___________________________________________________________________________
246 Int_t AliMUONESDInterface::GetNDigits() const
248 /// return the number of digits
249 return fDigits ? fDigits->GetSize() : 0;
252 //___________________________________________________________________________
253 Int_t AliMUONESDInterface::GetNDigits(UInt_t trackId) const
255 /// return the number of digits in all clusters of track "trackId"
257 AliMUONVCluster *cluster;
258 TIter next(CreateClusterIterator(trackId));
259 while ((cluster = static_cast<AliMUONVCluster*>(next()))) nDigits += cluster->GetNDigits();
263 //___________________________________________________________________________
264 Int_t AliMUONESDInterface::GetNDigits(UInt_t trackId, UInt_t clusterId) const
266 /// return the number of digits in cluster numbered "iCluster" of track "iTrack"
267 AliMUONVCluster* cluster = FindCluster(trackId, clusterId);
268 return cluster ? cluster->GetNDigits() : 0;
271 //___________________________________________________________________________
272 Int_t AliMUONESDInterface::GetNDigitsInCluster(UInt_t clusterId) const
274 /// return the number of digits in cluster "clusterId"
275 AliMUONVCluster* cluster = FindCluster(clusterId);
276 return cluster ? cluster->GetNDigits() : 0;
279 //___________________________________________________________________________
280 Int_t AliMUONESDInterface::GetNTriggers() const
282 /// return the number of triggers
283 return fTriggers ? fTriggers->GetSize() : 0;
286 //___________________________________________________________________________
287 AliMUONTrack* AliMUONESDInterface::FindTrack(UInt_t trackId) const
289 /// return track "trackId" (0x0 if not found)
290 AliMUONTrack *track = fTracks ? static_cast<AliMUONTrack*>(fTracks->FindObject(trackId)) : 0x0;
291 if (!track) AliWarning(Form("track %d does not exist",trackId));
295 //___________________________________________________________________________
296 AliMUONVCluster* AliMUONESDInterface::FindCluster(UInt_t clusterId) const
298 /// loop over tracks and return the first cluster "clusterId" found (0x0 if not found)
300 AliMUONVCluster* cluster = 0x0;
304 TIter next(fClusterMap->CreateIterator());
305 while ((cMap = static_cast<AliMpExMap*>(next()))) {
307 cluster = static_cast<AliMUONVCluster*>(cMap->GetValue(clusterId));
308 if (cluster) return cluster;
314 if (!cluster) AliWarning(Form("cluster %d does not exist",clusterId));
318 //___________________________________________________________________________
319 AliMUONVCluster* AliMUONESDInterface::FindCluster(UInt_t trackId, UInt_t clusterId) const
321 /// return cluster "clusterId" in track "trackId" (0x0 if not found)
322 AliMpExMap *cMap = fClusterMap ? static_cast<AliMpExMap*>(fClusterMap->GetValue(trackId)) : 0x0;
323 AliMUONVCluster* cluster = cMap ? static_cast<AliMUONVCluster*>(cMap->GetValue(clusterId)) : 0x0;
324 if (!cluster) AliWarning(Form("cluster %d does not exist in track %d", clusterId, trackId));
328 //___________________________________________________________________________
329 AliMUONVDigit* AliMUONESDInterface::FindDigit(UInt_t digitId) const
331 /// return digit "digitId" (0x0 if not found)
332 AliMUONVDigit *digit = fDigits ? fDigits->FindObject(digitId) : 0x0;
333 if (!digit) AliWarning(Form("digit %d does not exist",digitId));
337 //___________________________________________________________________________
338 AliMUONLocalTrigger* AliMUONESDInterface::FindLocalTrigger(Int_t boardNumber) const
340 /// return MUON local trigger "boardNumber"
341 return (fTriggers) ? fTriggers->FindLocal(boardNumber) : 0x0;
344 //___________________________________________________________________________
345 TIterator* AliMUONESDInterface::CreateTrackIterator() const
347 /// return iterator over all tracks
348 return fTracks ? fTracks->CreateIterator() : 0x0;
351 //___________________________________________________________________________
352 TIterator* AliMUONESDInterface::CreateClusterIterator() const
354 /// return iterator over all clusters
355 return fClusterMap ? new AliMUON2DMapIterator(*fClusterMap) : 0x0;
358 //___________________________________________________________________________
359 TIterator* AliMUONESDInterface::CreateClusterIterator(UInt_t trackId) const
361 /// return iterator over clusters of track "trackId"
362 AliMpExMap *cMap = fClusterMap ? static_cast<AliMpExMap*>(fClusterMap->GetValue(trackId)) : 0x0;
363 return cMap ? cMap->CreateIterator() : 0x0;
366 //___________________________________________________________________________
367 TIterator* AliMUONESDInterface::CreateDigitIterator() const
369 /// return iterator over all digits
370 return fDigits ? fDigits->CreateIterator() : 0x0;
373 //___________________________________________________________________________
374 TIterator* AliMUONESDInterface::CreateDigitIterator(UInt_t trackId) const
376 /// return iterator over all digits of track "trackId"
377 AliMpExMap* dMaps = fDigitMap ? static_cast<AliMpExMap*>(fDigitMap->GetValue(trackId)) : 0x0;
378 return dMaps ? new AliMUON2DMapIterator(*dMaps) : 0x0;
381 //___________________________________________________________________________
382 TIterator* AliMUONESDInterface::CreateDigitIterator(UInt_t trackId, UInt_t clusterId) const
384 /// return iterator over digits of cluster "clusterId" in track "trackId"
385 AliMpExMap* dMaps = fDigitMap ? static_cast<AliMpExMap*>(fDigitMap->GetValue(trackId)) : 0x0;
386 AliMpExMap* dMap = dMaps ? static_cast<AliMpExMap*>(dMaps->GetValue(clusterId)) : 0x0;
387 return dMap ? dMap->CreateIterator() : 0x0;
390 //___________________________________________________________________________
391 TIterator* AliMUONESDInterface::CreateDigitIteratorInCluster(UInt_t clusterId) const
393 /// return iterator over digits of the first cluster "clusterId" found by looping over all tracks
395 AliMpExMap* dMap = 0x0;
399 TIter next(fDigitMap->CreateIterator());
400 while ((dMaps = static_cast<AliMpExMap*>(next()))) {
402 dMap = static_cast<AliMpExMap*>(dMaps->GetValue(clusterId));
403 if (dMap) return dMap->CreateIterator();
412 //___________________________________________________________________________
413 TIterator* AliMUONESDInterface::CreateLocalTriggerIterator() const
415 /// return iterator over all local trigger
416 return fTriggers ? fTriggers->CreateLocalIterator() : 0x0;
419 //___________________________________________________________________________
420 AliMUONVCluster* AliMUONESDInterface::FindClusterInTrack(const AliMUONTrack& track, UInt_t clusterId) const
422 /// find the cluster with the given Id into the track
424 Int_t nClusters = track.GetNClusters();
425 for (Int_t iCluster = 0; iCluster < nClusters; iCluster++) {
427 AliMUONVCluster* cluster = ((AliMUONTrackParam*) track.GetTrackParamAtCluster()->UncheckedAt(iCluster))->GetClusterPtr();
428 if (cluster->GetUniqueID() == clusterId) return cluster;
435 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++//
437 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++//
439 //_____________________________________________________________________________
440 void AliMUONESDInterface::ResetTracker(const AliMUONRecoParam* recoParam, Bool_t info)
442 /// Reset the MUON tracker using "recoParam" if provided.
443 /// If not provided, will use Kalman filter + Smoother
450 fgRecoParam = new AliMUONRecoParam(*recoParam);
452 if (info) cout<<"I-AliMUONESDInterface::ResetTracker: will refit tracks with provided RecoParam:"<<endl;
456 fgRecoParam = AliMUONRecoParam::GetLowFluxParam();
458 cout<<"W-AliMUONESDInterface::ResetTracker: RecoParam not provided. Will use default LowFlux parametrization:"<<endl;
462 // print useful parameters for refitting
464 cout<<" --> Tracking mode = "<<fgRecoParam->GetTrackingMode()<<endl;
465 if (fgRecoParam->UseSmoother()) cout<<" --> Use Smoother"<<endl;
466 else cout<<" --> Do not use smoother"<<endl;
467 cout<<" --> Vertex dispersion in bending direction = "
468 <<fgRecoParam->GetBendingVertexDispersion()<<" cm"<<endl;
471 if (!TGeoGlobalMagField::Instance()->GetField())
472 cout<<"W-AliMUONESDInterface::ResetTracker: Magnetic field has not been set --> assume field is OFF"<<endl;
474 fgTracker = AliMUONTracker::CreateTrackReconstructor(fgRecoParam,0x0);
478 //_____________________________________________________________________________
479 AliMUONVTrackStore* AliMUONESDInterface::NewTrackStore()
481 /// Create an empty track store of type fgTrackStoreName
482 TClass* classPtr = TClass::GetClass(fgTrackStoreName);
483 if (!classPtr || !classPtr->InheritsFrom("AliMUONVTrackStore")) {
484 cout<<"E-AliMUONESDInterface::NewTrackStore: Unable to create store of type "<<fgTrackStoreName.Data()<<endl;
487 return reinterpret_cast<AliMUONVTrackStore*>(classPtr->New());
490 //_____________________________________________________________________________
491 AliMUONVClusterStore* AliMUONESDInterface::NewClusterStore()
493 /// Create an empty cluster store of type fgClusterStoreName
494 TClass* classPtr = TClass::GetClass(fgClusterStoreName);
495 if (!classPtr || !classPtr->InheritsFrom("AliMUONVClusterStore")) {
496 cout<<"E-AliMUONESDInterface::NewClusterStore: Unable to create store of type "<<fgClusterStoreName.Data()<<endl;
499 return reinterpret_cast<AliMUONVClusterStore*>(classPtr->New());
502 //_____________________________________________________________________________
503 AliMUONVDigitStore* AliMUONESDInterface::NewDigitStore()
505 /// Create an empty digit store of type fgDigitStoreName
506 TClass* classPtr = TClass::GetClass(fgDigitStoreName);
507 if (!classPtr || !classPtr->InheritsFrom("AliMUONVDigitStore")) {
508 cout<<"E-AliMUONESDInterface::NewDigitStore: Unable to create store of type "<<fgDigitStoreName.Data()<<endl;
511 return reinterpret_cast<AliMUONVDigitStore*>(classPtr->New());
514 //_____________________________________________________________________________
515 AliMUONVTriggerStore* AliMUONESDInterface::NewTriggerStore()
517 /// Create an empty trigger store of type fgTriggerStoreName
518 TClass* classPtr = TClass::GetClass(fgTriggerStoreName);
519 if (!classPtr || !classPtr->InheritsFrom("AliMUONVTriggerStore")) {
520 cout<<"E-AliMUONESDInterface::NewTriggerStore: Unable to create store of type "<<fgTriggerStoreName.Data()<<endl;
523 return reinterpret_cast<AliMUONVTriggerStore*>(classPtr->New());
526 //_________________________________________________________________________
527 void AliMUONESDInterface::GetParamAtVertex(const AliESDMuonTrack& esdTrack, AliMUONTrackParam& trackParam)
529 /// Get parameters at vertex from ESDMuon track
530 trackParam.SetZ(esdTrack.GetZ());
531 trackParam.SetNonBendingCoor(esdTrack.GetNonBendingCoor());
532 trackParam.SetNonBendingSlope(TMath::Tan(esdTrack.GetThetaX()));
533 trackParam.SetBendingCoor(esdTrack.GetBendingCoor());
534 trackParam.SetBendingSlope(TMath::Tan(esdTrack.GetThetaY()));
535 trackParam.SetInverseBendingMomentum(esdTrack.GetInverseBendingMomentum());
538 //_________________________________________________________________________
539 void AliMUONESDInterface::GetParamAtDCA(const AliESDMuonTrack& esdTrack, AliMUONTrackParam& trackParam)
541 /// Get parameters at DCA from ESDMuon track
542 trackParam.SetZ(esdTrack.GetZ());
543 trackParam.SetNonBendingCoor(esdTrack.GetNonBendingCoorAtDCA());
544 trackParam.SetNonBendingSlope(TMath::Tan(esdTrack.GetThetaXAtDCA()));
545 trackParam.SetBendingCoor(esdTrack.GetBendingCoorAtDCA());
546 trackParam.SetBendingSlope(TMath::Tan(esdTrack.GetThetaYAtDCA()));
547 trackParam.SetInverseBendingMomentum(esdTrack.GetInverseBendingMomentumAtDCA());
550 //_________________________________________________________________________
551 void AliMUONESDInterface::GetParamAtFirstCluster(const AliESDMuonTrack& esdTrack, AliMUONTrackParam& trackParam)
553 /// Get parameters at first cluster from ESDMuon track
554 trackParam.SetZ(esdTrack.GetZUncorrected());
555 trackParam.SetNonBendingCoor(esdTrack.GetNonBendingCoorUncorrected());
556 trackParam.SetNonBendingSlope(TMath::Tan(esdTrack.GetThetaXUncorrected()));
557 trackParam.SetBendingCoor(esdTrack.GetBendingCoorUncorrected());
558 trackParam.SetBendingSlope(TMath::Tan(esdTrack.GetThetaYUncorrected()));
559 trackParam.SetInverseBendingMomentum(esdTrack.GetInverseBendingMomentumUncorrected());
562 //_________________________________________________________________________
563 void AliMUONESDInterface::GetParamCov(const AliESDMuonTrack& esdTrack, AliMUONTrackParam& trackParam)
565 /// Get parameters covariances from ESD track
567 // get ESD covariance matrix
568 TMatrixD covariances(5,5);
569 esdTrack.GetCovariances(covariances);
571 // compute Jacobian to change the coordinate system
572 // from (X,thetaX,Y,thetaY,c/pYZ) to (X,slopeX,Y,slopeY,c/pYZ)
573 Double_t cosThetaX = TMath::Cos(esdTrack.GetThetaXUncorrected());
574 Double_t cosThetaY = TMath::Cos(esdTrack.GetThetaYUncorrected());
578 jacob(1,1) = 1. / cosThetaX / cosThetaX;
580 jacob(3,3) = 1. / cosThetaY / cosThetaY;
583 // compute covariance matrix in ESD coordinate system
584 TMatrixD tmp(covariances,TMatrixD::kMultTranspose,jacob);
585 trackParam.SetCovariances(TMatrixD(jacob,TMatrixD::kMult,tmp));
589 //_________________________________________________________________________
590 void AliMUONESDInterface::SetParamAtVertex(const AliMUONTrackParam& trackParam, AliESDMuonTrack& esdTrack)
592 /// Set parameters in ESD track
593 esdTrack.SetZ(trackParam.GetZ());
594 esdTrack.SetNonBendingCoor(trackParam.GetNonBendingCoor());
595 esdTrack.SetThetaX(TMath::ATan(trackParam.GetNonBendingSlope()));
596 esdTrack.SetBendingCoor(trackParam.GetBendingCoor());
597 esdTrack.SetThetaY(TMath::ATan(trackParam.GetBendingSlope()));
598 esdTrack.SetInverseBendingMomentum(trackParam.GetInverseBendingMomentum());
601 //_________________________________________________________________________
602 void AliMUONESDInterface::SetParamAtDCA(const AliMUONTrackParam& trackParam, AliESDMuonTrack& esdTrack)
604 /// Set parameters in ESD track
605 esdTrack.SetNonBendingCoorAtDCA(trackParam.GetNonBendingCoor());
606 esdTrack.SetThetaXAtDCA(TMath::ATan(trackParam.GetNonBendingSlope()));
607 esdTrack.SetBendingCoorAtDCA(trackParam.GetBendingCoor());
608 esdTrack.SetThetaYAtDCA(TMath::ATan(trackParam.GetBendingSlope()));
609 esdTrack.SetInverseBendingMomentumAtDCA(trackParam.GetInverseBendingMomentum());
612 //_________________________________________________________________________
613 void AliMUONESDInterface::SetParamAtFirstCluster(const AliMUONTrackParam& trackParam, AliESDMuonTrack& esdTrack)
615 /// Set parameters in ESD track
616 esdTrack.SetZUncorrected(trackParam.GetZ());
617 esdTrack.SetNonBendingCoorUncorrected(trackParam.GetNonBendingCoor());
618 esdTrack.SetThetaXUncorrected(TMath::ATan(trackParam.GetNonBendingSlope()));
619 esdTrack.SetBendingCoorUncorrected(trackParam.GetBendingCoor());
620 esdTrack.SetThetaYUncorrected(TMath::ATan(trackParam.GetBendingSlope()));
621 esdTrack.SetInverseBendingMomentumUncorrected(trackParam.GetInverseBendingMomentum());
624 //_________________________________________________________________________
625 void AliMUONESDInterface::SetParamCov(const AliMUONTrackParam& trackParam, AliESDMuonTrack& esdTrack)
627 /// Set parameters covariances in ESD track
629 // set null matrix if covariances does not exist
630 if (!trackParam.CovariancesExist()) {
633 esdTrack.SetCovariances(tmp);
637 // compute Jacobian to change the coordinate system
638 // from (X,slopeX,Y,slopeY,c/pYZ) to (X,thetaX,Y,thetaY,c/pYZ)
639 Double_t cosThetaX = TMath::Cos(TMath::ATan(trackParam.GetNonBendingSlope()));
640 Double_t cosThetaY = TMath::Cos(TMath::ATan(trackParam.GetBendingSlope()));
644 jacob(1,1) = cosThetaX * cosThetaX;
646 jacob(3,3) = cosThetaY * cosThetaY;
649 // compute covariance matrix in ESD coordinate system
650 TMatrixD tmp(trackParam.GetCovariances(),TMatrixD::kMultTranspose,jacob);
651 esdTrack.SetCovariances(TMatrixD(jacob,TMatrixD::kMult,tmp));
655 //_____________________________________________________________________________
656 void AliMUONESDInterface::ESDToMUON(const AliESDMuonTrack& esdTrack, AliMUONTrack& track, Bool_t refit)
658 /// Transfert data from ESDMuon track to MUON track.
659 /// If refit = kTRUE, the track parameters at each cluster are obtained by refitting the track
660 /// or by extrapolating the parameters at the first one if the refit failed.
661 /// If refit = kFALSE, only the track parameters at first cluster are valid.
662 /// note: You can set the recoParam used to refit the MUON track with ResetTracker(...);
663 /// By default we use Kalman filter + Smoother
665 // if the ESDMuon track is a ghost then return an empty MUON track
666 if (!esdTrack.ContainTrackerData()) {
668 track.SetUniqueID(esdTrack.GetUniqueID());
675 track.SetUniqueID(esdTrack.GetUniqueID());
676 track.FitWithVertex(kFALSE);
677 track.FitWithMCS(kFALSE);
678 track.SetImproved(kFALSE);
679 track.SetVertexErrXY2(0.,0.);
680 track.SetGlobalChi2(esdTrack.GetChi2());
681 track.SetMatchTrigger(esdTrack.GetMatchTrigger());
682 track.SetLoTrgNum(-1);
683 track.SetChi2MatchTrigger(esdTrack.GetChi2MatchTrigger());
684 track.SetHitsPatternInTrigCh(esdTrack.GetHitsPatternInTrigCh());
685 track.SetLocalTrigger(esdTrack.LoCircuit(), esdTrack.LoStripX(), esdTrack.LoStripY(),
686 esdTrack.LoDev(), esdTrack.LoLpt(), esdTrack.LoHpt());
688 // track parameters at vertex
689 AliMUONTrackParam paramAtVertex;
690 GetParamAtVertex(esdTrack, paramAtVertex);
691 track.SetTrackParamAtVertex(¶mAtVertex);
693 // track parameters at first cluster
694 AliMUONTrackParam param;
695 GetParamAtFirstCluster(esdTrack, param);
696 GetParamCov(esdTrack, param);
698 // create empty cluster
699 AliMUONVClusterStore* cStore = NewClusterStore();
701 AliMUONVCluster* cluster = cStore->CreateCluster(0,0,0);
703 // fill TrackParamAtCluster with track parameters at each cluster if available
704 // or with only track parameters at first (fake) cluster if not
705 if(esdTrack.ClustersStored()) {
707 // loop over ESD clusters
708 AliESDMuonCluster *esdCluster = (AliESDMuonCluster*) esdTrack.GetClusters().First();
711 // copy cluster information
712 ESDToMUON(*esdCluster, *cluster);
714 // only set the Z parameter to avoid error in the AddTrackParamAtCluster(...) method
715 param.SetZ(cluster->GetZ());
717 // add common track parameters at current cluster
718 track.AddTrackParamAtCluster(param, *cluster, kTRUE);
720 esdCluster = (AliESDMuonCluster*) esdTrack.GetClusters().After(esdCluster);
723 // refit the track to get better parameters and covariances at each cluster (temporary disable track improvement)
726 AliMUONTrackParam *firstTrackParam = (AliMUONTrackParam*) track.GetTrackParamAtCluster()->First();
727 AliMUONTrackParam paramSave(*firstTrackParam);
729 if (!fgTracker) ResetTracker();
731 if (!fgTracker->RefitTrack(track, kFALSE) && track.GetGlobalChi2() < AliMUONTrack::MaxChi2()) {
732 *firstTrackParam = paramSave;
733 track.UpdateCovTrackParamAtCluster();
740 // get number of the first hit chamber according to the MUONClusterMap
742 while (firstCh < 10 && !esdTrack.IsInMuonClusterMap(firstCh)) firstCh++;
744 // produce fake cluster at this chamber
745 cluster->SetUniqueID(AliMUONVCluster::BuildUniqueID(firstCh, 0, 0));
746 cluster->SetXYZ(param.GetNonBendingCoor(), param.GetBendingCoor(), param.GetZ());
747 cluster->SetErrXY(0., 0.);
749 // add track parameters at first (fake) cluster
750 track.AddTrackParamAtCluster(param, *cluster, kTRUE);
754 // set the MC label from ESD track
755 track.SetMCLabel(esdTrack.GetLabel());
762 //_____________________________________________________________________________
763 void AliMUONESDInterface::ESDToMUON(const AliESDMuonTrack& esdTrack, AliMUONLocalTrigger& locTrg)
765 /// Transfert trigger data from ESDMuon track to the MUONLocalTtrigger object
767 // if the ESDMuon track is a ghost then return an empty MUON track
768 if (!esdTrack.ContainTriggerData()) {
769 AliMUONLocalTrigger emptyLocTrg;
770 locTrg = emptyLocTrg;
774 locTrg.SetLoCircuit(esdTrack.LoCircuit());
775 locTrg.SetLoStripX(esdTrack.LoStripX());
776 locTrg.SetLoStripY(esdTrack.LoStripY());
777 locTrg.SetDeviation(esdTrack.LoDev());
778 locTrg.SetLoLpt(esdTrack.LoLpt());
779 locTrg.SetLoHpt(esdTrack.LoHpt());
780 locTrg.SetLoTrigY(1);
781 locTrg.SetX1Pattern(esdTrack.GetTriggerX1Pattern());
782 locTrg.SetX2Pattern(esdTrack.GetTriggerX2Pattern());
783 locTrg.SetX3Pattern(esdTrack.GetTriggerX3Pattern());
784 locTrg.SetX4Pattern(esdTrack.GetTriggerX4Pattern());
785 locTrg.SetY1Pattern(esdTrack.GetTriggerY1Pattern());
786 locTrg.SetY2Pattern(esdTrack.GetTriggerY2Pattern());
787 locTrg.SetY3Pattern(esdTrack.GetTriggerY3Pattern());
788 locTrg.SetY4Pattern(esdTrack.GetTriggerY4Pattern());
792 //_____________________________________________________________________________
793 void AliMUONESDInterface::ESDToMUON(const AliESDMuonCluster& esdCluster, AliMUONVCluster& cluster)
795 /// Transfert data from ESDMuon cluster to MUON cluster
799 cluster.SetUniqueID(esdCluster.GetUniqueID());
800 cluster.SetXYZ(esdCluster.GetX(), esdCluster.GetY(), esdCluster.GetZ());
801 cluster.SetErrXY(esdCluster.GetErrX(),esdCluster.GetErrY());
802 cluster.SetCharge(esdCluster.GetCharge());
803 cluster.SetChi2(esdCluster.GetChi2());
804 cluster.SetMCLabel(esdCluster.GetLabel());
806 if (esdCluster.PadsStored()) {
807 Int_t nPads = esdCluster.GetNPads();
808 for (Int_t iPad = 0; iPad < nPads; iPad++)
809 cluster.AddDigitId(((AliESDMuonPad*)esdCluster.GetPads().UncheckedAt(iPad))->GetUniqueID());
814 //___________________________________________________________________________
815 void AliMUONESDInterface::ESDToMUON(const AliESDMuonPad& esdPad, AliMUONVDigit& digit)
817 /// Transfert data from ESDMuon pad to MUON digit
819 if (!AliMpSegmentation::Instance(kFALSE)) {
820 cout<<"E-AliMUONESDInterface::ESDToMUON: need mapping segmentation to convert ESD pad to MUON digit"<<endl;
824 const AliMpVSegmentation* seg = AliMpSegmentation::Instance()->GetMpSegmentationByElectronics(esdPad.GetDetElemId(), esdPad.GetManuId());
825 AliMpPad pad = seg->PadByLocation(esdPad.GetManuId(), esdPad.GetManuChannel(), kFALSE);
827 digit.Saturated(esdPad.IsSaturated());
829 digit.Calibrated(esdPad.IsCalibrated());
830 digit.SetUniqueID(esdPad.GetUniqueID());
831 digit.SetCharge(esdPad.GetCharge());
832 digit.SetADC(esdPad.GetADC());
833 digit.SetPadXY(pad.GetIx(), pad.GetIy());
837 //_____________________________________________________________________________
838 void AliMUONESDInterface::MUONToESD(const AliMUONTrack& track, AliESDMuonTrack& esdTrack, const Double_t vertex[3],
839 const AliMUONVDigitStore* digits, const AliMUONLocalTrigger* locTrg)
841 /// Transfert data from MUON track to ESDMuon track
842 /// Incorporate the ESDPads if the digits are provided
843 /// Add trigger info if the MUON track is matched with a trigger track
845 // empty MUON track -> produce a ghost ESDMuon track if trigger info are available otherwise produce an empty track
846 if (track.GetNClusters() == 0) {
847 if (locTrg) MUONToESD(*locTrg, esdTrack, track.GetUniqueID());
849 cout<<"W-AliMUONESDInterface::MUONToESD: will produce an empty ESDMuon track"<<endl;
851 esdTrack.SetUniqueID(0xFFFFFFFF);
859 esdTrack.SetUniqueID(track.GetUniqueID());
860 esdTrack.SetChi2(track.GetGlobalChi2());
861 esdTrack.SetNHit(track.GetNClusters());
862 esdTrack.SetLabel(track.GetMCLabel());
864 // set param at first cluster
865 AliMUONTrackParam* trackParam = static_cast<AliMUONTrackParam*>((track.GetTrackParamAtCluster())->First());
866 SetParamAtFirstCluster(*trackParam, esdTrack);
867 SetParamCov(*trackParam, esdTrack);
869 // set param at vertex
870 AliMUONTrackParam trackParamAtVtx(*trackParam);
871 AliMUONTrackExtrap::ExtrapToVertex(&trackParamAtVtx, vertex[0], vertex[1], vertex[2], 0., 0.);
872 SetParamAtVertex(trackParamAtVtx, esdTrack);
874 // set param at Distance of Closest Approach
875 AliMUONTrackParam trackParamAtDCA(*trackParam);
876 AliMUONTrackExtrap::ExtrapToVertexWithoutBranson(&trackParamAtDCA, vertex[2]);
877 SetParamAtDCA(trackParamAtDCA, esdTrack);
879 // set muon cluster info
880 AliESDMuonCluster esdCluster;
881 esdTrack.SetMuonClusterMap(0);
883 MUONToESD(*(trackParam->GetClusterPtr()), esdCluster, digits);
884 esdTrack.AddCluster(esdCluster);
885 esdTrack.AddInMuonClusterMap(esdCluster.GetChamberId());
886 trackParam = static_cast<AliMUONTrackParam*>(track.GetTrackParamAtCluster()->After(trackParam));
890 esdTrack.SetLocalTrigger(track.GetLocalTrigger());
891 esdTrack.SetChi2MatchTrigger(track.GetChi2MatchTrigger());
892 esdTrack.SetHitsPatternInTrigCh(track.GetHitsPatternInTrigCh());
894 esdTrack.SetTriggerX1Pattern(locTrg->GetX1Pattern());
895 esdTrack.SetTriggerY1Pattern(locTrg->GetY1Pattern());
896 esdTrack.SetTriggerX2Pattern(locTrg->GetX2Pattern());
897 esdTrack.SetTriggerY2Pattern(locTrg->GetY2Pattern());
898 esdTrack.SetTriggerX3Pattern(locTrg->GetX3Pattern());
899 esdTrack.SetTriggerY3Pattern(locTrg->GetY3Pattern());
900 esdTrack.SetTriggerX4Pattern(locTrg->GetX4Pattern());
901 esdTrack.SetTriggerY4Pattern(locTrg->GetY4Pattern());
903 esdTrack.SetTriggerX1Pattern(0);
904 esdTrack.SetTriggerY1Pattern(0);
905 esdTrack.SetTriggerX2Pattern(0);
906 esdTrack.SetTriggerY2Pattern(0);
907 esdTrack.SetTriggerX3Pattern(0);
908 esdTrack.SetTriggerY3Pattern(0);
909 esdTrack.SetTriggerX4Pattern(0);
910 esdTrack.SetTriggerY4Pattern(0);
915 //_____________________________________________________________________________
916 void AliMUONESDInterface::MUONToESD(const AliMUONLocalTrigger& locTrg, AliESDMuonTrack& esdTrack,
917 UInt_t trackId, const AliMUONTriggerTrack* triggerTrack)
919 /// Build ghost ESDMuon track containing only informations about trigger track
922 esdTrack.SetUniqueID(trackId);
925 AliMUONTrack muonTrack;
926 muonTrack.SetLocalTrigger(locTrg.LoCircuit(),
929 locTrg.GetDeviation(),
932 esdTrack.SetLocalTrigger(muonTrack.GetLocalTrigger());
933 esdTrack.SetChi2MatchTrigger(0.);
934 esdTrack.SetTriggerX1Pattern(locTrg.GetX1Pattern());
935 esdTrack.SetTriggerY1Pattern(locTrg.GetY1Pattern());
936 esdTrack.SetTriggerX2Pattern(locTrg.GetX2Pattern());
937 esdTrack.SetTriggerY2Pattern(locTrg.GetY2Pattern());
938 esdTrack.SetTriggerX3Pattern(locTrg.GetX3Pattern());
939 esdTrack.SetTriggerY3Pattern(locTrg.GetY3Pattern());
940 esdTrack.SetTriggerX4Pattern(locTrg.GetX4Pattern());
941 esdTrack.SetTriggerY4Pattern(locTrg.GetY4Pattern());
942 UShort_t hitPattern = 0;
944 hitPattern = triggerTrack->GetHitsPatternInTrigCh();
945 esdTrack.SetHitsPatternInTrigCh(hitPattern);
946 esdTrack.SetThetaXUncorrected(triggerTrack->GetThetax());
947 esdTrack.SetThetaYUncorrected(triggerTrack->GetThetay());
948 esdTrack.SetNonBendingCoorUncorrected(triggerTrack->GetX11());
949 esdTrack.SetBendingCoorUncorrected(triggerTrack->GetY11());
953 //_____________________________________________________________________________
954 void AliMUONESDInterface::MUONToESD(const AliMUONVCluster& cluster, AliESDMuonCluster& esdCluster, const AliMUONVDigitStore* digits)
956 /// Transfert data from MUON cluster to ESDMuon cluster
957 /// Incorporate the ESDPads if the digits are provided
959 esdCluster.Clear("C");
961 esdCluster.SetUniqueID(cluster.GetUniqueID());
962 esdCluster.SetXYZ(cluster.GetX(), cluster.GetY(), cluster.GetZ());
963 esdCluster.SetErrXY(cluster.GetErrX(), cluster.GetErrY());
964 esdCluster.SetCharge(cluster.GetCharge());
965 esdCluster.SetChi2(cluster.GetChi2());
966 esdCluster.SetLabel(cluster.GetMCLabel());
968 if (digits) { // transfert all data if required
970 AliESDMuonPad esdPad;
971 for (Int_t i=0; i<cluster.GetNDigits(); i++) {
972 AliMUONVDigit* digit = digits->FindObject(cluster.GetDigitId(i));
974 cout<<"E-AliMUONESDInterface::MUONToESD: digit "<<cluster.GetDigitId(i)<<" not found"<<endl;
977 MUONToESD(*digit, esdPad);
978 esdCluster.AddPad(esdPad);
985 //_____________________________________________________________________________
986 void AliMUONESDInterface::MUONToESD(const AliMUONVDigit& digit, AliESDMuonPad& esdPad)
988 /// Transfert data from MUON digit to ESDMuon pad
989 esdPad.SetUniqueID(digit.GetUniqueID());
990 esdPad.SetADC(digit.ADC());
991 esdPad.SetCharge(digit.Charge());
992 esdPad.SetCalibrated(digit.IsCalibrated());
993 esdPad.SetSaturated(digit.IsSaturated());
996 //___________________________________________________________________________
997 AliMUONTrack* AliMUONESDInterface::Add(const AliESDMuonTrack& esdTrack, AliMUONVTrackStore& trackStore, Bool_t refit)
999 /// Create MUON track from ESDMuon track and add it to the store
1000 /// Track parameters at each clusters are recomputed or not depending on the flag "refit"
1001 /// return a pointer to the track into the store (0x0 if the track already exist)
1002 if(trackStore.FindObject(esdTrack.GetUniqueID())) return 0x0;
1003 AliMUONTrack* track = trackStore.Add(AliMUONTrack());
1004 ESDToMUON(esdTrack, *track, refit);
1008 //___________________________________________________________________________
1009 void AliMUONESDInterface::Add(const AliESDMuonTrack& esdTrack, AliMUONVTriggerStore& triggerStore)
1011 /// Create MUON local trigger from ESDMuon track and add it to the store if not already there
1012 if (triggerStore.FindLocal(esdTrack.LoCircuit())) return;
1013 AliMUONLocalTrigger locTrg;
1014 ESDToMUON(esdTrack, locTrg);
1015 triggerStore.Add(locTrg);
1018 //___________________________________________________________________________
1019 AliMUONVCluster* AliMUONESDInterface::Add(const AliESDMuonCluster& esdCluster, AliMUONVClusterStore& clusterStore)
1021 /// Create MUON cluster from ESDMuon cluster and add it to the store
1022 /// return a pointer to the cluster into the store (0x0 if the cluster already exist)
1023 AliMUONVCluster* cluster = clusterStore.Add(esdCluster.GetChamberId(), esdCluster.GetDetElemId(), esdCluster.GetClusterIndex());
1024 if (cluster) ESDToMUON(esdCluster, *cluster);
1028 //___________________________________________________________________________
1029 AliMUONVDigit* AliMUONESDInterface::Add(const AliESDMuonPad& esdPad, AliMUONVDigitStore& digitStore)
1031 /// Create MUON digit from ESDMuon digit and add it to the store
1032 /// return a pointer to the digit into the store (0x0 if the digit already exist)
1033 AliMUONVDigit* digit = digitStore.Add(esdPad.GetDetElemId(), esdPad.GetManuId(), esdPad.GetManuChannel(), esdPad.GetCathode(), AliMUONVDigitStore::kDeny);
1034 if (digit) ESDToMUON(esdPad, *digit);