1 //-----------------------------------------------------------------------------
2 /// \class AliMUONReAlignTask
3 /// AliAnalysisTask to realign the MUON spectrometer.
4 /// The Task reads as input ESDs moves the clusters of a MUONTrack acoording
5 /// to the re aligned geometry taken from a misalignment file in the OCDB
6 /// and refit the track. Then it produces a AliMUONClusterInfo object for each
7 /// cluster. The output is a TTree of AliMUONClusterInfo
9 /// \author Javier Castillo, CEA/Saclay - Irfu/SPhN
10 //-----------------------------------------------------------------------------
18 #include <TClonesArray.h>
20 #include <TGeoGlobalMagField.h>
21 #include <TGeoManager.h>
22 #include <Riostream.h>
24 #include "AliAnalysisTask.h"
25 #include "AliAnalysisManager.h"
26 #include "AliESDInputHandler.h"
27 #include "AliESDEvent.h"
28 #include "AliESDMuonTrack.h"
30 #include "AliCDBManager.h"
31 #include "AliGeomManager.h"
33 #include "AliMpConstants.h"
35 #include "AliMpSegmentation.h"
36 #include "AliMpVSegmentation.h"
38 #include "AliMUONCalibrationData.h"
39 #include "AliMUONVCalibParam.h"
40 #include "AliMUONPadInfo.h"
41 #include "AliMUONClusterInfo.h"
42 #include "AliMUONRecoParam.h"
43 #include "AliMUONESDInterface.h"
44 #include "AliMUONRefitter.h"
45 #include "AliMUONRecoParam.h"
46 #include "AliMUONVDigit.h"
47 #include "AliMUONVCluster.h"
48 #include "AliMUONTrack.h"
49 #include "AliMUONVTrackStore.h"
50 #include "AliMUONVDigitStore.h"
51 #include "AliMUONTrackParam.h"
52 #include "AliMUONTrackExtrap.h"
53 #include "AliMUONGeometryTransformer.h"
55 #include "AliMUONReAlignTask.h"
58 ClassImp(AliMUONReAlignTask)
61 //________________________________________________________________________
62 AliMUONReAlignTask::AliMUONReAlignTask(const char *name, const char *geofilename, const char *defaultocdb, const char *misalignocdb)
63 : AliAnalysisTask(name, ""),
65 fClusterInfoTree(0x0),
70 fGeoFilename(geofilename),
71 fMisAlignOCDB(misalignocdb),
72 fDefaultOCDB(defaultocdb),
74 fNewGeoTransformer(0x0),
80 /// Default Constructor
81 // Define input and output slots here
82 // Input slot #0 works with a TChain
83 DefineInput(0, TChain::Class());
84 // Output slot #0 writes a TTree
85 DefineOutput(0, TTree::Class());
87 fClusterInfo = new AliMUONClusterInfo();
88 fESDInterface = new AliMUONESDInterface();
89 fGeoTransformer = new AliMUONGeometryTransformer();
90 fNewGeoTransformer = new AliMUONGeometryTransformer();
93 //________________________________________________________________________
94 AliMUONReAlignTask::AliMUONReAlignTask(const AliMUONReAlignTask& obj)
95 : AliAnalysisTask(obj),
97 fClusterInfoTree(0x0),
105 fGeoTransformer(0x0),
106 fNewGeoTransformer(0x0),
114 fClusterInfoTree = obj.fClusterInfoTree;
115 fClusterInfo = obj.fClusterInfo;
116 fESDInterface = obj.fESDInterface;
117 fRefitter = obj.fRefitter;
118 fRecoParam = obj.fRecoParam;
119 fGeoFilename = obj.fGeoFilename;
120 fMisAlignOCDB = obj.fMisAlignOCDB;
121 fDefaultOCDB = obj.fDefaultOCDB;
122 fGeoTransformer = obj.fGeoTransformer;
123 fNewGeoTransformer = obj.fNewGeoTransformer;
124 fGainStore = obj.fGainStore;
125 fPedStore = obj.fPedStore;
126 fPrintLevel = obj.fPrintLevel;
127 fLastRun = obj.fLastRun;
130 //________________________________________________________________________________
131 AliMUONReAlignTask& AliMUONReAlignTask::operator=(const AliMUONReAlignTask& other)
134 AliAnalysisTask::operator=(other);
136 fClusterInfoTree = other.fClusterInfoTree;
137 fClusterInfo = other.fClusterInfo;
138 fESDInterface = other.fESDInterface;
139 fRefitter = other.fRefitter;
140 fRecoParam = other.fRecoParam;
141 fGeoFilename = other.fGeoFilename;
142 fMisAlignOCDB = other.fMisAlignOCDB;
143 fDefaultOCDB = other.fDefaultOCDB;
144 fGeoTransformer = other.fGeoTransformer;
145 fNewGeoTransformer = other.fNewGeoTransformer;
146 fGainStore = other.fGainStore;
147 fPedStore = other.fPedStore;
148 fPrintLevel = other.fPrintLevel;
149 fLastRun = other.fLastRun;
155 //________________________________________________________________________
156 AliMUONReAlignTask::~AliMUONReAlignTask()
159 if (fESDInterface) delete fESDInterface;
160 if (fGeoTransformer) delete fGeoTransformer;
161 if (fNewGeoTransformer) delete fNewGeoTransformer;
164 //________________________________________________________________________
165 void AliMUONReAlignTask::LocalInit()
167 /// Local initialization, called once per task on the client machine
168 /// where the analysis train is assembled
169 AliMpCDB::LoadMpSegmentation();
171 // prepare the refitting
173 Prepare(fGeoFilename.Data(),fDefaultOCDB.Data(),fMisAlignOCDB.Data());
175 fRefitter = new AliMUONRefitter(fRecoParam);
176 fRefitter->Connect(fESDInterface);
178 // Original geotransformer
179 fGeoTransformer->LoadGeometryData();
180 // Apply mis alignments
181 AliGeomManager::ApplyAlignObjsFromCDB("MUON");
182 // New geotransformer
183 fNewGeoTransformer->LoadGeometryData();
187 //________________________________________________________________________
188 void AliMUONReAlignTask::ConnectInputData(Option_t *)
190 /// Connect ESD here. Called on each input data change.
192 TTree* esdTree = dynamic_cast<TTree*> (GetInputData(0));
194 Printf("ERROR: Could not read chain from input slot 0");
197 AliESDInputHandler *esdH = dynamic_cast<AliESDInputHandler*> (AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler());
199 Printf("ERROR: Could not get ESDInputHandler");
202 fESD = esdH->GetEvent();
207 //________________________________________________________________________
208 void AliMUONReAlignTask::CreateOutputObjects()
210 /// Executed once on each worker (machine actually running the analysis code)
212 // This method has to be called INSIDE the user redefined CreateOutputObjects
213 // method, before creating each object corresponding to the output containers
214 // that are to be written to a file. This need to be done in general for the big output
215 // objects that may not fit memory during processing.
218 fClusterInfoTree = new TTree("clusterInfoTree","clusterInfoTree");
219 fClusterInfoTree->Branch("clusterInfo", &fClusterInfo, 32000, 99);
223 //________________________________________________________________________
224 void AliMUONReAlignTask::Exec(Option_t *)
226 /// Main loop, called for each event
228 Printf("ERROR: fESD not available");
232 // Prepare Gain and Pedestal store
233 if (!fGainStore || fLastRun!=fESD->GetRunNumber()){
234 fGainStore = AliMUONCalibrationData::CreateGains(fESD->GetRunNumber());
235 fLastRun = fESD->GetRunNumber();
237 if (!fPedStore || fLastRun!=fESD->GetRunNumber()){
238 fPedStore = AliMUONCalibrationData::CreatePedestals(fESD->GetRunNumber());
239 fLastRun = fESD->GetRunNumber();
242 AliMUONPadInfo padInfo;
244 Int_t nTracks = (Int_t)fESD->GetNumberOfMuonTracks();
245 if (nTracks < 1) return;
247 // load the current event
248 fESDInterface->LoadEvent(*fESD);
249 AliMUONVDigitStore* digitStore = fESDInterface->GetDigits();
257 // loop over cluster to modify their position
258 AliMUONVCluster *cluster;
259 TIter next(fESDInterface->CreateClusterIterator());
260 while ((cluster = static_cast<AliMUONVCluster*>(next()))) {
261 // cout << "Original cluster" << endl;
263 gX = cluster->GetX();
264 gY = cluster->GetY();
265 gZ = cluster->GetZ();
266 fGeoTransformer->Global2Local(cluster->GetDetElemId(),gX,gY,gZ,lX,lY,lZ);
267 fNewGeoTransformer->Local2Global(cluster->GetDetElemId(),lX,lY,lZ,gX,gY,gZ);
268 cluster->SetXYZ(gX,gY,gZ);
269 // cout << "Aligned cluster" << endl;
273 // refit the tracks from digits
274 AliMUONVTrackStore* newTrackStore = fRefitter->ReconstructFromClusters();
276 //----------------------------------------------//
277 // ------ fill new ESD and print results ------ //
278 //----------------------------------------------//
279 // loop over the list of ESD tracks
280 TClonesArray *esdTracks = (TClonesArray*) fESD->FindListObject("MuonTracks");
281 for (Int_t iTrack = 0; iTrack < nTracks; iTrack++) {
283 AliESDMuonTrack* esdTrack = (AliESDMuonTrack*) esdTracks->UncheckedAt(iTrack);
285 // skip ghost tracks (leave them unchanged in the new ESD file)
286 if (!esdTrack->ContainTrackerData()) continue;
288 // get the corresponding MUON track
289 AliMUONTrack* track = fESDInterface->FindTrack(esdTrack->GetUniqueID());
291 // Find the corresponding re-fitted MUON track
292 AliMUONTrack* newTrack = (AliMUONTrack*) newTrackStore->FindObject(esdTrack->GetUniqueID());
294 // // replace the content of the current ESD track or remove it if the refitting has failed
296 // Double_t vertex[3] = {esdTrack->GetNonBendingCoor(), esdTrack->GetBendingCoor(), esdTrack->GetZ()};
297 // AliMUONESDInterface::MUONToESD(*newTrack, *esdTrack, vertex, esdInterface.GetDigits());
299 // esdTracks->Remove(esdTrack);
302 // print initial and re-fitted track parameters at first cluster if any
304 cout<<" ----------------track #"<<iTrack+1<<"----------------"<<endl;
305 cout<<"before refit:"<<endl;
306 AliMUONTrackParam *param = (AliMUONTrackParam*) track->GetTrackParamAtCluster()->First();
307 param->Print("FULL");
308 if (fPrintLevel>1) param->GetCovariances().Print();
309 if (!newTrack) continue;
310 cout<<"after refit:"<<endl;
311 param = (AliMUONTrackParam*) newTrack->GetTrackParamAtCluster()->First();
312 param->Print("FULL");
313 if (fPrintLevel>1) param->GetCovariances().Print();
314 cout<<" ----------------------------------------"<<endl;
318 UInt_t muonClusterMap = BuildClusterMap(*newTrack);
320 // loop over clusters
321 AliMUONTrackParam* trackParam = static_cast<AliMUONTrackParam*>(newTrack->GetTrackParamAtCluster()->First());
323 fClusterInfo->Clear("C");
326 cluster = trackParam->GetClusterPtr();
327 fClusterInfo->SetRunId(fESD->GetRunNumber());
328 fClusterInfo->SetEventId(fESD->GetEventNumberInFile());
329 fClusterInfo->SetZ(cluster->GetZ());
330 fClusterInfo->SetClusterId(cluster->GetUniqueID());
331 fClusterInfo->SetClusterXY(cluster->GetX(), cluster->GetY());
332 fClusterInfo->SetClusterXYErr(cluster->GetErrX(), cluster->GetErrY());
333 fClusterInfo->SetClusterChi2(cluster->GetChi2());
334 fClusterInfo->SetClusterCharge(cluster->GetCharge());
337 fClusterInfo->SetTrackId(newTrack->GetUniqueID());
338 fClusterInfo->SetTrackXY(trackParam->GetNonBendingCoor(), trackParam->GetBendingCoor());
339 fClusterInfo->SetTrackThetaXY(TMath::ATan(trackParam->GetNonBendingSlope()), TMath::ATan(trackParam->GetBendingSlope()));
340 fClusterInfo->SetTrackP(trackParam->P());
341 const TMatrixD paramCov = trackParam->GetCovariances();
342 fClusterInfo->SetTrackXYErr(TMath::Sqrt(paramCov(0,0)), TMath::Sqrt(paramCov(2,2)));
343 fClusterInfo->SetTrackChi2(newTrack->GetNormalizedChi2());
344 fClusterInfo->SetTrackCharge((Short_t)trackParam->GetCharge());
345 fClusterInfo->SetTrackNHits(newTrack->GetNClusters());
346 fClusterInfo->SetTrackChamberHitMap(muonClusterMap);
348 // fill pad info if available
349 for (Int_t i=0; i<cluster->GetNDigits(); i++) {
350 AliMUONVDigit* digit = digitStore->FindObject(cluster->GetDigitId(i));
351 if (!digit) continue;
354 const AliMpVSegmentation* seg = AliMpSegmentation::Instance()->
355 GetMpSegmentation(digit->DetElemId(),AliMp::GetCathodType(digit->Cathode()));
356 AliMpPad pad = seg->PadByIndices(digit->PadX(), digit->PadY());
358 // calibration parameters
359 AliMUONVCalibParam* ped = fPedStore ? static_cast<AliMUONVCalibParam*>(fPedStore->FindObject(digit->DetElemId(), digit->ManuId())) : 0x0;
360 AliMUONVCalibParam* gain = fGainStore ? static_cast<AliMUONVCalibParam*>(fGainStore->FindObject(digit->DetElemId(), digit->ManuId())) : 0x0;
361 Int_t manuChannel = digit->ManuChannel();
363 if ( digit->ManuId() & AliMpConstants::ManuMask(AliMp::kNonBendingPlane)) {
368 padInfo.SetPadId(digit->GetUniqueID());
369 padInfo.SetPadPlaneType(planeType);
370 padInfo.SetPadXY(pad.GetPositionX(), pad.GetPositionY());
371 padInfo.SetPadDimXY(pad.GetDimensionX(), pad.GetDimensionY());
372 padInfo.SetPadCharge((Double_t)digit->Charge());
373 padInfo.SetPadADC(digit->ADC());
374 padInfo.SetSaturated(digit->IsSaturated());
375 padInfo.SetCalibrated(digit->IsCalibrated());
376 padInfo.SetPedestal(ped->ValueAsFloatFast(manuChannel,0), ped->ValueAsFloatFast(manuChannel,1));
377 padInfo.SetGain(gain->ValueAsFloatFast(manuChannel,0), gain->ValueAsFloatFast(manuChannel,1),
378 gain->ValueAsFloatFast(manuChannel,2), gain->ValueAsFloatFast(manuChannel,3));
380 fClusterInfo->AddPad(padInfo);
383 // fill cluster info tree
384 fClusterInfoTree->Fill();
385 trackParam = static_cast<AliMUONTrackParam*>(track->GetTrackParamAtCluster()->After(trackParam));
389 delete newTrackStore;
392 // Post final data. Write histo list to a file with option "RECREATE"
393 PostData(0,fClusterInfoTree);
396 //________________________________________________________________________
397 void AliMUONReAlignTask::Terminate(const Option_t*)
399 /// Called once per task on the client machine at the end of the analysis.
403 //-----------------------------------------------------------------------
404 void AliMUONReAlignTask::Prepare(const char* geoFilename, const char* defaultOCDB, const char* misAlignOCDB)
406 /// Set the geometry, the magnetic field, the mapping and the reconstruction parameters
408 // Import TGeo geometry (needed by AliMUONTrackExtrap::ExtrapToVertex)
410 AliGeomManager::LoadGeometry(geoFilename);
412 Error("AliMUONReAlignTask", "getting geometry from file %s failed", "generated/galice.root");
418 printf("Loading field map...\n");
419 AliMagF* field = new AliMagF("Maps","Maps",2,0.,0., 10.,AliMagF::k5kG);
420 TGeoGlobalMagField::Instance()->SetField(field);
421 TGeoGlobalMagField::Instance()->Lock();
424 AliCDBManager* man = AliCDBManager::Instance();
425 man->SetDefaultStorage(defaultOCDB);
426 man->SetSpecificStorage("MUON/Align/Data",misAlignOCDB);
429 if ( ! AliMpCDB::LoadDDLStore() ) {
430 Error("MUONRefit","Could not access mapping from OCDB !");
434 // Load initial reconstruction parameters from OCDB
435 // reconstruction parameters
436 fRecoParam = AliMUONRecoParam::GetCosmicParam();
439 fRecoParam->SetPadGoodnessMask(0x400BE80);
440 // TString caliboption = caliboption1;
441 // if ( calib == 2 ) caliboption = caliboption2;
442 // fRecoParam->SetCalibrationMode("NOGAIN"caliboption.Data());
443 fRecoParam->SetCalibrationMode("NOGAIN");
445 // chamber resolution (incuding misalignment)
446 for (Int_t iCh=0; iCh<10; iCh++) {
447 fRecoParam->SetDefaultNonBendingReso(iCh,0.4);
448 fRecoParam->SetDefaultBendingReso(iCh,0.4);
450 fRecoParam->SetMaxNonBendingDistanceToTrack(10.);
451 fRecoParam->SetMaxBendingDistanceToTrack(10.);
453 // cut on (non)bending slopes
454 //fRecoParam->SetMaxNonBendingSlope(0.6);
455 //fRecoParam->SetMaxBendingSlope(0.6);
457 // tracking algorithm
458 // fRecoParam->MakeMoreTrackCandidates(kTRUE);
459 fRecoParam->RequestStation(0, kFALSE);
460 fRecoParam->RequestStation(2, kFALSE);
461 // fRecoParam->RequestStation(3, kFALSE);
462 // fRecoParam->RequestStation(4, kFALSE);
463 fRecoParam->SetSigmaCutForTracking(7.);
464 fRecoParam->ImproveTracks(kTRUE, 7.);
465 Info("MUONRefit", "\n initial recontruction parameters:");
466 fRecoParam->Print("FULL");
468 AliMUONESDInterface::ResetTracker(fRecoParam);
471 //-----------------------------------------------------------------------
472 UInt_t AliMUONReAlignTask::BuildClusterMap(AliMUONTrack &track)
474 /// Build the map of clusters in tracking chambers
476 UInt_t muonClusterMap = 0;
478 AliMUONTrackParam* trackParam = static_cast<AliMUONTrackParam*>(track.GetTrackParamAtCluster()->First());
481 muonClusterMap |= BIT(trackParam->GetClusterPtr()->GetChamberId());
483 trackParam = static_cast<AliMUONTrackParam*>(track.GetTrackParamAtCluster()->After(trackParam));
486 return muonClusterMap;