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 ///////////////////////////////////////////////////////////////////////////////
20 // TRD cluster finder //
22 ///////////////////////////////////////////////////////////////////////////////
24 #include <TClonesArray.h>
25 #include <TObjArray.h>
27 #include "AliRunLoader.h"
28 #include "AliLoader.h"
29 #include "AliAlignObj.h"
31 #include "AliTRDclusterizer.h"
32 #include "AliTRDcluster.h"
33 #include "AliTRDReconstructor.h"
34 #include "AliTRDgeometry.h"
35 #include "AliTRDarrayDictionary.h"
36 #include "AliTRDarrayADC.h"
37 #include "AliTRDdigitsManager.h"
38 #include "AliTRDdigitsParam.h"
39 #include "AliTRDrawData.h"
40 #include "AliTRDcalibDB.h"
41 #include "AliTRDtransform.h"
42 #include "AliTRDSignalIndex.h"
43 #include "AliTRDrawStreamBase.h"
44 #include "AliTRDfeeParam.h"
45 #include "AliTRDtrackletWord.h"
47 #include "TTreeStream.h"
49 #include "Cal/AliTRDCalROC.h"
50 #include "Cal/AliTRDCalDet.h"
51 #include "Cal/AliTRDCalSingleChamberStatus.h"
53 ClassImp(AliTRDclusterizer)
55 //_____________________________________________________________________________
56 AliTRDclusterizer::AliTRDclusterizer(const AliTRDReconstructor *const rec)
64 ,fDigitsManager(new AliTRDdigitsManager())
65 ,fTrackletContainer(NULL)
67 ,fTransform(new AliTRDtransform(0))
73 ,fMinLeftRightCutSigma(0)
79 ,fCalGainFactorROC(NULL)
80 ,fCalGainFactorDetValue(0)
83 ,fCalPadStatusROC(NULL)
91 // AliTRDclusterizer default constructor
94 SetBit(kLabels, kTRUE);
95 SetBit(knewDM, kFALSE);
97 AliTRDcalibDB *trd = 0x0;
98 if (!(trd = AliTRDcalibDB::Instance())) {
99 AliFatal("Could not get calibration object");
102 fRawVersion = AliTRDfeeParam::Instance()->GetRAWversion();
104 // Initialize debug stream
106 if(fReconstructor->GetRecoParam()->GetStreamLevel(AliTRDrecoParam::kClusterizer) > 1){
107 TDirectory *savedir = gDirectory;
108 //fgGetDebugStream = new TTreeSRedirector("TRD.ClusterizerDebug.root");
115 //_____________________________________________________________________________
116 AliTRDclusterizer::AliTRDclusterizer(const Text_t *name, const Text_t *title, const AliTRDReconstructor *const rec)
124 ,fDigitsManager(new AliTRDdigitsManager())
125 ,fTrackletContainer(NULL)
127 ,fTransform(new AliTRDtransform(0))
133 ,fMinLeftRightCutSigma(0)
139 ,fCalGainFactorROC(NULL)
140 ,fCalGainFactorDetValue(0)
142 ,fCalNoiseDetValue(0)
143 ,fCalPadStatusROC(NULL)
151 // AliTRDclusterizer constructor
154 SetBit(kLabels, kTRUE);
155 SetBit(knewDM, kFALSE);
157 AliTRDcalibDB *trd = 0x0;
158 if (!(trd = AliTRDcalibDB::Instance())) {
159 AliFatal("Could not get calibration object");
162 fDigitsManager->CreateArrays();
164 fRawVersion = AliTRDfeeParam::Instance()->GetRAWversion();
170 //_____________________________________________________________________________
171 AliTRDclusterizer::AliTRDclusterizer(const AliTRDclusterizer &c)
173 ,fReconstructor(c.fReconstructor)
179 ,fDigitsManager(NULL)
180 ,fTrackletContainer(NULL)
188 ,fMinLeftRightCutSigma(0)
194 ,fCalGainFactorROC(NULL)
195 ,fCalGainFactorDetValue(0)
197 ,fCalNoiseDetValue(0)
198 ,fCalPadStatusROC(NULL)
206 // AliTRDclusterizer copy constructor
209 SetBit(kLabels, kTRUE);
210 SetBit(knewDM, kFALSE);
216 //_____________________________________________________________________________
217 AliTRDclusterizer::~AliTRDclusterizer()
220 // AliTRDclusterizer destructor
223 if (fRecPoints/* && IsClustersOwner()*/){
224 fRecPoints->Delete();
229 fTracklets->Delete();
233 if (fDigitsManager) {
234 delete fDigitsManager;
235 fDigitsManager = NULL;
238 if (fTrackletContainer){
239 delete [] fTrackletContainer[0];
240 delete [] fTrackletContainer[1];
241 delete [] fTrackletContainer;
242 fTrackletContainer = NULL;
257 //_____________________________________________________________________________
258 AliTRDclusterizer &AliTRDclusterizer::operator=(const AliTRDclusterizer &c)
261 // Assignment operator
266 ((AliTRDclusterizer &) c).Copy(*this);
273 //_____________________________________________________________________________
274 void AliTRDclusterizer::Copy(TObject &c) const
280 ((AliTRDclusterizer &) c).fClusterTree = NULL;
281 ((AliTRDclusterizer &) c).fRecPoints = NULL;
282 ((AliTRDclusterizer &) c).fTrackletTree = NULL;
283 ((AliTRDclusterizer &) c).fDigitsManager = NULL;
284 ((AliTRDclusterizer &) c).fTrackletContainer = NULL;
285 ((AliTRDclusterizer &) c).fRawVersion = fRawVersion;
286 ((AliTRDclusterizer &) c).fTransform = NULL;
287 ((AliTRDclusterizer &) c).fDigits = NULL;
288 ((AliTRDclusterizer &) c).fIndexes = NULL;
289 ((AliTRDclusterizer &) c).fMaxThresh = 0;
290 ((AliTRDclusterizer &) c).fSigThresh = 0;
291 ((AliTRDclusterizer &) c).fMinMaxCutSigma= 0;
292 ((AliTRDclusterizer &) c).fMinLeftRightCutSigma = 0;
293 ((AliTRDclusterizer &) c).fLayer = 0;
294 ((AliTRDclusterizer &) c).fDet = 0;
295 ((AliTRDclusterizer &) c).fVolid = 0;
296 ((AliTRDclusterizer &) c).fColMax = 0;
297 ((AliTRDclusterizer &) c).fTimeTotal = 0;
298 ((AliTRDclusterizer &) c).fCalGainFactorROC = NULL;
299 ((AliTRDclusterizer &) c).fCalGainFactorDetValue = 0;
300 ((AliTRDclusterizer &) c).fCalNoiseROC = NULL;
301 ((AliTRDclusterizer &) c).fCalNoiseDetValue = 0;
302 ((AliTRDclusterizer &) c).fCalPadStatusROC = NULL;
303 ((AliTRDclusterizer &) c).fClusterROC = 0;
304 ((AliTRDclusterizer &) c).firstClusterROC= 0;
305 ((AliTRDclusterizer &) c).fNoOfClusters = 0;
306 ((AliTRDclusterizer &) c).fBaseline = 0;
307 ((AliTRDclusterizer &) c).fRawStream = NULL;
311 //_____________________________________________________________________________
312 Bool_t AliTRDclusterizer::Open(const Char_t *name, Int_t nEvent)
315 // Opens the AliROOT file. Output and input are in the same file
318 TString evfoldname = AliConfig::GetDefaultEventFolderName();
319 fRunLoader = AliRunLoader::GetRunLoader(evfoldname);
322 fRunLoader = AliRunLoader::Open(name);
326 AliError(Form("Can not open session for file %s.",name));
337 //_____________________________________________________________________________
338 Bool_t AliTRDclusterizer::OpenOutput()
341 // Open the output file
344 if (!fReconstructor->IsWritingClusters()) return kTRUE;
346 TObjArray *ioArray = 0x0;
348 AliLoader* loader = fRunLoader->GetLoader("TRDLoader");
349 loader->MakeTree("R");
351 fClusterTree = loader->TreeR();
352 fClusterTree->Branch("TRDcluster", "TObjArray", &ioArray, 32000, 0);
358 //_____________________________________________________________________________
359 Bool_t AliTRDclusterizer::OpenOutput(TTree *const clusterTree)
362 // Connect the output tree
366 if (fReconstructor->IsWritingClusters()){
367 TObjArray *ioArray = 0x0;
368 fClusterTree = clusterTree;
369 fClusterTree->Branch("TRDcluster", "TObjArray", &ioArray, 32000, 0);
374 //_____________________________________________________________________________
375 Bool_t AliTRDclusterizer::OpenInput(Int_t nEvent)
378 // Opens a ROOT-file with TRD-hits and reads in the digits-tree
381 // Import the Trees for the event nEvent in the file
382 fRunLoader->GetEvent(nEvent);
388 //_____________________________________________________________________________
389 Bool_t AliTRDclusterizer::WriteClusters(Int_t det)
392 // Fills TRDcluster branch in the tree with the clusters
393 // found in detector = det. For det=-1 writes the tree.
397 (det >= AliTRDgeometry::Ndet())) {
398 AliError(Form("Unexpected detector index %d.\n",det));
402 TObjArray *ioArray = new TObjArray(400);
403 TBranch *branch = fClusterTree->GetBranch("TRDcluster");
405 branch = fClusterTree->Branch("TRDcluster","TObjArray",&ioArray,32000,0);
406 } else branch->SetAddress(&ioArray);
408 Int_t nRecPoints = RecPoints()->GetEntriesFast();
410 for (Int_t i = 0; i < nRecPoints; i++) {
411 AliTRDcluster *c = (AliTRDcluster *) RecPoints()->UncheckedAt(i);
412 if(det != c->GetDetector()) continue;
415 fClusterTree->Fill();
418 Int_t detOld = -1, nw(0);
419 for (Int_t i = 0; i < nRecPoints; i++) {
420 AliTRDcluster *c = (AliTRDcluster *) RecPoints()->UncheckedAt(i);
421 if(c->GetDetector() != detOld){
422 nw += ioArray->GetEntriesFast();
423 fClusterTree->Fill();
425 detOld = c->GetDetector();
429 if(ioArray->GetEntriesFast()){
430 nw += ioArray->GetEntriesFast();
431 fClusterTree->Fill();
434 AliDebug(2, Form("Clusters FOUND[%d] WRITTEN[%d] STATUS[%s]", nRecPoints, nw, nw==nRecPoints?"OK":"FAILED"));
441 //_____________________________________________________________________________
442 Bool_t AliTRDclusterizer::WriteTracklets(Int_t det)
445 // Write the raw data tracklets into seperate file
448 UInt_t **leaves = new UInt_t *[2];
449 for (Int_t i=0; i<2 ;i++){
450 leaves[i] = new UInt_t[258];
451 leaves[i][0] = det; // det
452 leaves[i][1] = i; // side
453 memcpy(leaves[i]+2, fTrackletContainer[i], sizeof(UInt_t) * 256);
457 AliDataLoader *dl = fRunLoader->GetLoader("TRDLoader")->GetDataLoader("tracklets");
459 fTrackletTree = dl->Tree();
462 TBranch *trkbranch = fTrackletTree->GetBranch("trkbranch");
464 trkbranch = fTrackletTree->Branch("trkbranch",leaves[0],"det/i:side/i:tracklets[256]/i");
467 for (Int_t i=0; i<2; i++){
468 if (leaves[i][2]>0) {
469 trkbranch->SetAddress(leaves[i]);
470 fTrackletTree->Fill();
474 // AliDataLoader *dl = fRunLoader->GetLoader("TRDLoader")->GetDataLoader("tracklets"); //jkl: wrong here
475 // dl->WriteData("OVERWRITE"); //jkl: wrong here
483 //_____________________________________________________________________________
484 Bool_t AliTRDclusterizer::ReadDigits()
487 // Reads the digits arrays from the input aliroot file
491 AliError("No run loader available");
495 AliLoader* loader = fRunLoader->GetLoader("TRDLoader");
496 if (!loader->TreeD()) {
497 loader->LoadDigits();
500 // Read in the digit arrays
501 return (fDigitsManager->ReadDigits(loader->TreeD()));
505 //_____________________________________________________________________________
506 Bool_t AliTRDclusterizer::ReadDigits(TTree *digitsTree)
509 // Reads the digits arrays from the input tree
512 // Read in the digit arrays
513 return (fDigitsManager->ReadDigits(digitsTree));
517 //_____________________________________________________________________________
518 Bool_t AliTRDclusterizer::ReadDigits(AliRawReader *rawReader)
521 // Reads the digits arrays from the ddl file
525 fDigitsManager = raw.Raw2Digits(rawReader);
531 //_____________________________________________________________________________
532 Bool_t AliTRDclusterizer::MakeClusters()
535 // Creates clusters from digits
538 // Propagate info from the digits manager
539 if (TestBit(kLabels)){
540 SetBit(kLabels, fDigitsManager->UsesDictionaries());
543 Bool_t fReturn = kTRUE;
544 for (Int_t i = 0; i < AliTRDgeometry::kNdet; i++){
546 AliTRDarrayADC *digitsIn = (AliTRDarrayADC*) fDigitsManager->GetDigits(i); //mod
547 // This is to take care of switched off super modules
548 if (!digitsIn->HasData()) continue;
550 digitsIn->DeleteNegatives(); // Restore digits array to >=0 values
551 AliTRDSignalIndex* indexes = fDigitsManager->GetIndexes(i);
552 if (indexes->IsAllocated() == kFALSE){
553 fDigitsManager->BuildIndexes(i);
557 if (indexes->HasEntry()){
558 if (TestBit(kLabels)){
559 for (Int_t iDict = 0; iDict < AliTRDdigitsManager::kNDict; iDict++){
560 AliTRDarrayDictionary *tracksIn = 0; //mod
561 tracksIn = (AliTRDarrayDictionary *) fDigitsManager->GetDictionary(i,iDict); //mod
565 fR = MakeClusters(i);
566 fReturn = fR && fReturn;
570 // if(IsWritingClusters()) WriteClusters(i);
574 // Clear arrays of this chamber, to prepare for next event
575 fDigitsManager->ClearArrays(i);
578 if(fReconstructor->IsWritingClusters()) WriteClusters(-1);
580 AliInfo(Form("Number of found clusters : %d", RecPoints()->GetEntriesFast()));
586 //_____________________________________________________________________________
587 Bool_t AliTRDclusterizer::Raw2Clusters(AliRawReader *rawReader)
590 // Creates clusters from raw data
593 return Raw2ClustersChamber(rawReader);
597 //_____________________________________________________________________________
598 Bool_t AliTRDclusterizer::Raw2ClustersChamber(AliRawReader *rawReader)
601 // Creates clusters from raw data
604 // Create the digits manager
605 if (!fDigitsManager){
606 SetBit(knewDM, kTRUE);
607 fDigitsManager = new AliTRDdigitsManager(kTRUE);
608 fDigitsManager->CreateArrays();
611 fDigitsManager->SetUseDictionaries(TestBit(kLabels));
613 // ----- preparing tracklet output -----
614 if (fReconstructor->IsWritingTracklets()) {
615 AliDataLoader *trklLoader = AliRunLoader::Instance()->GetLoader("TRDLoader")->GetDataLoader("tracklets");
617 AliError("Could not get the tracklets data loader, adding it now!");
618 trklLoader = new AliDataLoader("TRD.Tracklets.root","tracklets", "tracklets");
619 AliRunLoader::Instance()->GetLoader("TRDLoader")->AddDataLoader(trklLoader);
621 if (!trklLoader->Tree())
622 AliRunLoader::Instance()->GetLoader("TRDLoader")->GetDataLoader("tracklets")->MakeTree();
625 // tracklet container for raw tracklet writing
626 if (!fTrackletContainer && ( fReconstructor->IsWritingTracklets() || fReconstructor->IsProcessingTracklets() )) {
627 // maximum tracklets for one HC
628 const Int_t kTrackletChmb=256;
629 fTrackletContainer = new UInt_t *[2];
630 fTrackletContainer[0] = new UInt_t[kTrackletChmb];
631 fTrackletContainer[1] = new UInt_t[kTrackletChmb];
632 memset(fTrackletContainer[0], 0, kTrackletChmb*sizeof(UInt_t)); //jkl
633 memset(fTrackletContainer[1], 0, kTrackletChmb*sizeof(UInt_t)); //jkl
637 fRawStream = AliTRDrawStreamBase::GetRawStream(rawReader);
639 fRawStream->SetReader(rawReader);
641 SetBit(kHLT, fReconstructor->IsHLT());
644 fRawStream->SetSharedPadReadout(kFALSE);
645 fRawStream->SetNoErrorWarning();
648 AliDebug(1,Form("Stream version: %s", fRawStream->IsA()->GetName()));
651 while ((det = fRawStream->NextChamber(fDigitsManager,fTrackletContainer)) >= 0){
652 if (fDigitsManager->GetIndexes(det)->HasEntry())
655 fDigitsManager->ClearArrays(det);
657 if (!fReconstructor->IsWritingTracklets()) continue;
658 if (*(fTrackletContainer[0]) > 0 || *(fTrackletContainer[1]) > 0) WriteTracklets(det);
661 if (fReconstructor->IsWritingTracklets()) {
662 if (AliDataLoader *trklLoader = AliRunLoader::Instance()->GetLoader("TRDLoader")->GetDataLoader("tracklets")) {
663 trklLoader->WriteData("OVERWRITE");
664 trklLoader->Unload();
668 if (fTrackletContainer){
669 delete [] fTrackletContainer[0];
670 delete [] fTrackletContainer[1];
671 delete [] fTrackletContainer;
672 fTrackletContainer = NULL;
675 if(fReconstructor->IsWritingClusters()) WriteClusters(-1);
677 if(!TestBit(knewDM)){
678 delete fDigitsManager;
679 fDigitsManager = NULL;
684 AliInfo(Form("Number of found clusters : %d", fNoOfClusters));
689 //_____________________________________________________________________________
690 UChar_t AliTRDclusterizer::GetStatus(Short_t &signal)
693 // Check if a pad is masked
698 if(signal>0 && TESTBIT(signal, 10)){
700 for(int ibit=0; ibit<4; ibit++){
701 if(TESTBIT(signal, 11+ibit)){
702 SETBIT(status, ibit);
703 CLRBIT(signal, 11+ibit);
710 //_____________________________________________________________________________
711 void AliTRDclusterizer::SetPadStatus(const UChar_t status, UChar_t &out) const {
713 // Set the pad status into out
714 // First three bits are needed for the position encoding
719 //_____________________________________________________________________________
720 UChar_t AliTRDclusterizer::GetPadStatus(UChar_t encoding) const {
722 // return the staus encoding of the corrupted pad
724 return static_cast<UChar_t>(encoding >> 3);
727 //_____________________________________________________________________________
728 Int_t AliTRDclusterizer::GetCorruption(UChar_t encoding) const {
730 // Return the position of the corruption
735 //_____________________________________________________________________________
736 Bool_t AliTRDclusterizer::MakeClusters(Int_t det)
739 // Generates the cluster.
743 fDigits = (AliTRDarrayADC *) fDigitsManager->GetDigits(det); //mod
744 fBaseline = fDigitsManager->GetDigitsParam()->GetADCbaseline(det);
746 // This is to take care of switched off super modules
747 if (!fDigits->HasData()) return kFALSE;
749 fIndexes = fDigitsManager->GetIndexes(det);
750 if (fIndexes->IsAllocated() == kFALSE) {
751 AliError("Indexes do not exist!");
755 AliTRDcalibDB* const calibration = AliTRDcalibDB::Instance();
757 AliFatal("No AliTRDcalibDB instance available\n");
761 if (!fReconstructor){
762 AliError("Reconstructor not set\n");
766 const AliTRDrecoParam *const recoParam = fReconstructor->GetRecoParam();
768 fMaxThresh = recoParam->GetClusMaxThresh();
769 fSigThresh = recoParam->GetClusSigThresh();
770 fMinMaxCutSigma = recoParam->GetMinMaxCutSigma();
771 fMinLeftRightCutSigma = recoParam->GetMinLeftRightCutSigma();
773 Int_t istack = fIndexes->GetStack();
774 fLayer = fIndexes->GetLayer();
775 Int_t isector = fIndexes->GetSM();
777 // Start clustering in the chamber
779 fDet = AliTRDgeometry::GetDetector(fLayer,istack,isector);
781 AliError("Strange Detector number Missmatch!");
785 AliDebug(2, Form("Det[%d] @ Sec[%d] Stk[%d] Ly[%d]", fDet, isector, istack, fLayer));
787 // TRD space point transformation
788 fTransform->SetDetector(det);
790 Int_t iGeoLayer = AliGeomManager::kTRD1 + fLayer;
791 Int_t iGeoModule = istack + AliTRDgeometry::Nstack() * isector;
792 fVolid = AliGeomManager::LayerToVolUID(iGeoLayer,iGeoModule);
794 if(fReconstructor->IsProcessingTracklets() && fTrackletContainer)
795 AddTrackletsToArray();
797 fColMax = fDigits->GetNcol();
798 fTimeTotal = fDigitsManager->GetDigitsParam()->GetNTimeBins(det);
800 // Check consistency between OCDB and raw data
801 Int_t nTimeOCDB = calibration->GetNumberOfTimeBinsDCS();
803 if((nTimeOCDB > -1) && (fTimeTotal != nTimeOCDB)){
804 AliWarning(Form("Number of timebins does not match OCDB value (RAW[%d] OCDB[%d]), using raw value"
805 ,fTimeTotal,nTimeOCDB));
809 AliWarning("Undefined number of timebins in OCDB, using value from raw data.");
811 AliError("Number of timebins in raw data is negative, skipping chamber!");
814 }else if(nTimeOCDB == -2){
815 AliError("Mixed number of timebins in OCDB, no reconstruction of TRD data!");
817 }else if(fTimeTotal != nTimeOCDB){
818 AliError(Form("Number of timebins in raw data does not match OCDB value (RAW[%d] OCDB[%d]), skipping chamber!"
819 ,fTimeTotal,nTimeOCDB));
824 // Detector wise calibration object for the gain factors
825 const AliTRDCalDet *calGainFactorDet = calibration->GetGainFactorDet();
826 // Calibration object with pad wise values for the gain factors
827 fCalGainFactorROC = calibration->GetGainFactorROC(fDet);
828 // Calibration value for chamber wise gain factor
829 fCalGainFactorDetValue = calGainFactorDet->GetValue(fDet);
831 // Detector wise calibration object for the noise
832 const AliTRDCalDet *calNoiseDet = calibration->GetNoiseDet();
833 // Calibration object with pad wise values for the noise
834 fCalNoiseROC = calibration->GetNoiseROC(fDet);
835 // Calibration value for chamber wise noise
836 fCalNoiseDetValue = calNoiseDet->GetValue(fDet);
838 // Calibration object with the pad status
839 fCalPadStatusROC = calibration->GetPadStatusROC(fDet);
841 firstClusterROC = -1;
844 SetBit(kLUT, recoParam->UseLUT());
845 SetBit(kGAUS, recoParam->UseGAUS());
847 // Apply the gain and the tail cancelation via digital filter
848 if(recoParam->UseTailCancelation()) TailCancelation(recoParam);
850 MaxStruct curr, last;
851 Int_t nMaximas = 0, nCorrupted = 0;
853 // Here the clusterfining is happening
855 for(curr.time = 0; curr.time < fTimeTotal; curr.time++){
856 while(fIndexes->NextRCIndex(curr.row, curr.col)){
857 if(IsMaximum(curr, curr.padStatus, &curr.signals[0])){
859 if(curr.time==last.time && curr.row==last.row && curr.col==last.col+2) FivePadCluster(last, curr);
862 last=curr; curr.fivePad=kFALSE;
866 if(last.row>-1) CreateCluster(last);
868 if(recoParam->GetStreamLevel(AliTRDrecoParam::kClusterizer) > 2 && fReconstructor->IsDebugStreaming()){
869 TTreeSRedirector* fDebugStream = fReconstructor->GetDebugStream(AliTRDrecoParam::kClusterizer);
870 (*fDebugStream) << "MakeClusters"
871 << "Detector=" << det
872 << "NMaxima=" << nMaximas
873 << "NClusters=" << fClusterROC
874 << "NCorrupted=" << nCorrupted
877 if (TestBit(kLabels)) AddLabels();
883 //_____________________________________________________________________________
884 Bool_t AliTRDclusterizer::IsMaximum(const MaxStruct &Max, UChar_t &padStatus, Short_t *const Signals)
887 // Returns true if this row,col,time combination is a maximum.
888 // Gives back the padStatus and the signals of the center pad and the two neighbouring pads.
891 Float_t gain = fCalGainFactorDetValue * fCalGainFactorROC->GetValue(Max.col,Max.row);
892 Signals[1] = (Short_t)((fDigits->GetData(Max.row, Max.col, Max.time) - fBaseline) / gain + 0.5f);
893 if(Signals[1] < fMaxThresh) return kFALSE;
895 Float_t noiseMiddleThresh = fMinMaxCutSigma*fCalNoiseDetValue*fCalNoiseROC->GetValue(Max.col, Max.row);
896 if (Signals[1] < noiseMiddleThresh) return kFALSE;
898 if (Max.col + 1 >= fColMax || Max.col < 1) return kFALSE;
901 fCalPadStatusROC->GetStatus(Max.col-1, Max.row)
902 ,fCalPadStatusROC->GetStatus(Max.col, Max.row)
903 ,fCalPadStatusROC->GetStatus(Max.col+1, Max.row)
906 gain = fCalGainFactorDetValue * fCalGainFactorROC->GetValue(Max.col-1,Max.row);
907 Signals[0] = (Short_t)((fDigits->GetData(Max.row, Max.col-1, Max.time) - fBaseline) / gain + 0.5f);
908 gain = fCalGainFactorDetValue * fCalGainFactorROC->GetValue(Max.col+1,Max.row);
909 Signals[2] = (Short_t)((fDigits->GetData(Max.row, Max.col+1, Max.time) - fBaseline) / gain + 0.5f);
911 if(!(status[0] | status[1] | status[2])) {//all pads are good
912 if ((Signals[2] <= Signals[1]) && (Signals[0] < Signals[1])) {
913 if ((Signals[2] >= fSigThresh) || (Signals[0] >= fSigThresh)) {
914 if(Signals[0]<0)Signals[0]=0;
915 if(Signals[2]<0)Signals[2]=0;
916 Float_t noiseSumThresh = fMinLeftRightCutSigma
918 * fCalNoiseROC->GetValue(Max.col, Max.row);
919 if ((Signals[2]+Signals[0]+Signals[1]) < noiseSumThresh) return kFALSE;
924 } else { // at least one of the pads is bad, and reject candidates with more than 1 problematic pad
925 if(Signals[0]<0)Signals[0]=0;
926 if(Signals[2]<0)Signals[2]=0;
927 if (status[2] && (!(status[0] || status[1])) && Signals[1] > Signals[0] && Signals[0] >= fSigThresh) {
929 SetPadStatus(status[2], padStatus);
932 else if (status[0] && (!(status[1] || status[2])) && Signals[1] >= Signals[2] && Signals[2] >= fSigThresh) {
934 SetPadStatus(status[0], padStatus);
937 else if (status[1] && (!(status[0] || status[2])) && ((Signals[2] >= fSigThresh) || (Signals[0] >= fSigThresh))) {
938 Signals[1] = (Short_t)(fMaxThresh + 0.5f);
939 SetPadStatus(status[1], padStatus);
946 //_____________________________________________________________________________
947 Bool_t AliTRDclusterizer::FivePadCluster(MaxStruct &ThisMax, MaxStruct &NeighbourMax)
950 // Look for 5 pad cluster with minimum in the middle
951 // Gives back the ratio
954 if (ThisMax.col >= fColMax - 3) return kFALSE;
956 if (ThisMax.col < fColMax - 5){
957 gain = fCalGainFactorDetValue * fCalGainFactorROC->GetValue(ThisMax.col+4,ThisMax.row);
958 if (fDigits->GetData(ThisMax.row, ThisMax.col+4, ThisMax.time) - fBaseline >= fSigThresh * gain)
961 if (ThisMax.col > 1) {
962 gain = fCalGainFactorDetValue * fCalGainFactorROC->GetValue(ThisMax.col-2,ThisMax.row);
963 if (fDigits->GetData(ThisMax.row, ThisMax.col-2, ThisMax.time) - fBaseline >= fSigThresh * gain)
967 const Float_t kEpsilon = 0.01;
968 Double_t padSignal[5] = {ThisMax.signals[0], ThisMax.signals[1], ThisMax.signals[2],
969 NeighbourMax.signals[1], NeighbourMax.signals[2]};
971 // Unfold the two maxima and set the signal on
972 // the overlapping pad to the ratio
973 Float_t ratio = Unfold(kEpsilon,fLayer,padSignal);
974 ThisMax.signals[2] = (Short_t)(ThisMax.signals[2]*ratio + 0.5f);
975 NeighbourMax.signals[0] = (Short_t)(NeighbourMax.signals[0]*(1-ratio) + 0.5f);
976 ThisMax.fivePad=kTRUE;
977 NeighbourMax.fivePad=kTRUE;
982 //_____________________________________________________________________________
983 void AliTRDclusterizer::CreateCluster(const MaxStruct &Max)
986 // Creates a cluster at the given position and saves it in fRecPoints
990 Short_t signals[7] = { 0, 0, Max.signals[0], Max.signals[1], Max.signals[2], 0, 0 };
991 if(!TestBit(kHLT)) CalcAdditionalInfo(Max, signals, nPadCount);
993 AliTRDcluster cluster(fDet, ((UChar_t) Max.col), ((UChar_t) Max.row), ((UChar_t) Max.time), signals, fVolid);
994 cluster.SetNPads(nPadCount);
995 if(TestBit(kLUT)) cluster.SetRPhiMethod(AliTRDcluster::kLUT);
996 else if(TestBit(kGAUS)) cluster.SetRPhiMethod(AliTRDcluster::kGAUS);
997 else cluster.SetRPhiMethod(AliTRDcluster::kCOG);
999 cluster.SetFivePad(Max.fivePad);
1000 // set pads status for the cluster
1001 UChar_t maskPosition = GetCorruption(Max.padStatus);
1003 cluster.SetPadMaskedPosition(maskPosition);
1004 cluster.SetPadMaskedStatus(GetPadStatus(Max.padStatus));
1007 // Transform the local cluster coordinates into calibrated
1008 // space point positions defined in the local tracking system.
1009 // Here the calibration for T0, Vdrift and ExB is applied as well.
1010 if(!fTransform->Transform(&cluster)) return;
1011 // Temporarily store the Max.Row, column and time bin of the center pad
1012 // Used to later on assign the track indices
1013 cluster.SetLabel(Max.row, 0);
1014 cluster.SetLabel(Max.col, 1);
1015 cluster.SetLabel(Max.time,2);
1017 //needed for HLT reconstruction
1018 AddClusterToArray(&cluster);
1020 // Store the index of the first cluster in the current ROC
1021 if (firstClusterROC < 0) firstClusterROC = fNoOfClusters;
1027 //_____________________________________________________________________________
1028 void AliTRDclusterizer::CalcAdditionalInfo(const MaxStruct &Max, Short_t *const signals, Int_t &nPadCount)
1030 // Look to the right
1032 while (fDigits->GetData(Max.row, Max.col-ii, Max.time) >= fSigThresh) {
1035 if (Max.col < ii) break;
1039 while (fDigits->GetData(Max.row, Max.col+ii, Max.time) >= fSigThresh) {
1042 if (Max.col+ii >= fColMax) break;
1045 // Store the amplitudes of the pads in the cluster for later analysis
1046 // and check whether one of these pads is masked in the database
1047 signals[2]=Max.signals[0];
1048 signals[3]=Max.signals[1];
1049 signals[4]=Max.signals[2];
1051 for(Int_t i = 0; i<2; i++)
1054 gain = fCalGainFactorDetValue * fCalGainFactorROC->GetValue(Max.col-3+i,Max.row);
1055 signals[i] = (Short_t)((fDigits->GetData(Max.row, Max.col-3+i, Max.time) - fBaseline) / gain + 0.5f);
1057 if(Max.col+3-i < fColMax){
1058 gain = fCalGainFactorDetValue * fCalGainFactorROC->GetValue(Max.col+3-i,Max.row);
1059 signals[6-i] = (Short_t)((fDigits->GetData(Max.row, Max.col+3-i, Max.time) - fBaseline) / gain + 0.5f);
1062 /*for (Int_t jPad = Max.Col-3; jPad <= Max.Col+3; jPad++) {
1063 if ((jPad >= 0) && (jPad < fColMax))
1064 signals[jPad-Max.Col+3] = TMath::Nint(fDigits->GetData(Max.Row,jPad,Max.Time));
1068 //_____________________________________________________________________________
1069 void AliTRDclusterizer::AddClusterToArray(AliTRDcluster* cluster)
1072 // Add a cluster to the array
1075 Int_t n = RecPoints()->GetEntriesFast();
1076 if(n!=fNoOfClusters)AliError(Form("fNoOfClusters != RecPoints()->GetEntriesFast %i != %i \n", fNoOfClusters, n));
1077 new((*RecPoints())[n]) AliTRDcluster(*cluster);
1080 //_____________________________________________________________________________
1081 void AliTRDclusterizer::AddTrackletsToArray()
1084 // Add the online tracklets of this chamber to the array
1087 UInt_t* trackletword;
1088 for(Int_t side=0; side<2; side++)
1091 trackletword=fTrackletContainer[side];
1092 while(trackletword[trkl]>0){
1093 Int_t n = TrackletsArray()->GetEntriesFast();
1094 AliTRDtrackletWord tmp(trackletword[trkl]);
1095 new((*TrackletsArray())[n]) AliTRDcluster(&tmp,fDet,fVolid);
1101 //_____________________________________________________________________________
1102 Bool_t AliTRDclusterizer::AddLabels()
1105 // Add the track indices to the found clusters
1108 const Int_t kNclus = 3;
1109 const Int_t kNdict = AliTRDdigitsManager::kNDict;
1110 const Int_t kNtrack = kNdict * kNclus;
1112 Int_t iClusterROC = 0;
1119 // Temporary array to collect the track indices
1120 Int_t *idxTracks = new Int_t[kNtrack*fClusterROC];
1122 // Loop through the dictionary arrays one-by-one
1123 // to keep memory consumption low
1124 AliTRDarrayDictionary *tracksIn = 0; //mod
1125 for (Int_t iDict = 0; iDict < kNdict; iDict++) {
1127 // tracksIn should be expanded beforehand!
1128 tracksIn = (AliTRDarrayDictionary *) fDigitsManager->GetDictionary(fDet,iDict);
1130 // Loop though the clusters found in this ROC
1131 for (iClusterROC = 0; iClusterROC < fClusterROC; iClusterROC++) {
1133 AliTRDcluster *cluster = (AliTRDcluster *)
1134 RecPoints()->UncheckedAt(firstClusterROC+iClusterROC);
1135 row = cluster->GetLabel(0);
1136 col = cluster->GetLabel(1);
1137 time = cluster->GetLabel(2);
1139 for (iPad = 0; iPad < kNclus; iPad++) {
1140 Int_t iPadCol = col - 1 + iPad;
1141 Int_t index = tracksIn->GetData(row,iPadCol,time); //Modification of -1 in Track
1142 idxTracks[3*iPad+iDict + iClusterROC*kNtrack] = index;
1149 // Copy the track indices into the cluster
1150 // Loop though the clusters found in this ROC
1151 for (iClusterROC = 0; iClusterROC < fClusterROC; iClusterROC++) {
1153 AliTRDcluster *cluster = (AliTRDcluster *)
1154 RecPoints()->UncheckedAt(firstClusterROC+iClusterROC);
1155 cluster->SetLabel(-9999,0);
1156 cluster->SetLabel(-9999,1);
1157 cluster->SetLabel(-9999,2);
1159 cluster->AddTrackIndex(&idxTracks[iClusterROC*kNtrack]);
1163 delete [] idxTracks;
1169 //_____________________________________________________________________________
1170 Float_t AliTRDclusterizer::Unfold(Double_t eps, Int_t layer, const Double_t *const padSignal) const
1173 // Method to unfold neighbouring maxima.
1174 // The charge ratio on the overlapping pad is calculated
1175 // until there is no more change within the range given by eps.
1176 // The resulting ratio is then returned to the calling method.
1179 AliTRDcalibDB *calibration = AliTRDcalibDB::Instance();
1181 AliError("No AliTRDcalibDB instance available\n");
1186 Int_t itStep = 0; // Count iteration steps
1188 Double_t ratio = 0.5; // Start value for ratio
1189 Double_t prevRatio = 0.0; // Store previous ratio
1191 Double_t newLeftSignal[3] = { 0.0, 0.0, 0.0 }; // Array to store left cluster signal
1192 Double_t newRightSignal[3] = { 0.0, 0.0, 0.0 }; // Array to store right cluster signal
1193 Double_t newSignal[3] = { 0.0, 0.0, 0.0 };
1195 // Start the iteration
1196 while ((TMath::Abs(prevRatio - ratio) > eps) && (itStep < 10)) {
1201 // Cluster position according to charge ratio
1202 Double_t maxLeft = (ratio*padSignal[2] - padSignal[0])
1203 / (padSignal[0] + padSignal[1] + ratio * padSignal[2]);
1204 Double_t maxRight = (padSignal[4] - (1-ratio)*padSignal[2])
1205 / ((1.0 - ratio)*padSignal[2] + padSignal[3] + padSignal[4]);
1207 // Set cluster charge ratio
1208 irc = calibration->PadResponse(1.0, maxLeft, layer, newSignal);
1209 Double_t ampLeft = padSignal[1] / newSignal[1];
1210 irc = calibration->PadResponse(1.0, maxRight, layer, newSignal);
1211 Double_t ampRight = padSignal[3] / newSignal[1];
1213 // Apply pad response to parameters
1214 irc = calibration->PadResponse(ampLeft ,maxLeft ,layer,newLeftSignal );
1215 irc = calibration->PadResponse(ampRight,maxRight,layer,newRightSignal);
1217 // Calculate new overlapping ratio
1218 ratio = TMath::Min((Double_t) 1.0
1219 ,newLeftSignal[2] / (newLeftSignal[2] + newRightSignal[0]));
1227 //_____________________________________________________________________________
1228 void AliTRDclusterizer::TailCancelation(const AliTRDrecoParam* const recoParam)
1231 // Applies the tail cancelation
1238 Float_t *arr = new Float_t[fTimeTotal]; // temp array containing the ADC signals
1240 TTreeSRedirector *fDebugStream = fReconstructor->GetDebugStream(AliTRDrecoParam::kClusterizer);
1241 Bool_t debugStreaming = recoParam->GetStreamLevel(AliTRDrecoParam::kClusterizer) > 7 && fReconstructor->IsDebugStreaming();
1242 Int_t nexp = recoParam->GetTCnexp();
1243 while(fIndexes->NextRCIndex(iRow, iCol))
1245 // if corrupted then don't make the tail cancallation
1246 if (fCalPadStatusROC->GetStatus(iCol, iRow)) continue;
1248 // Save data into the temporary processing array and substract the baseline,
1249 // since DeConvExp does not expect a baseline
1250 for (iTime = 0; iTime < fTimeTotal; iTime++)
1251 arr[iTime] = fDigits->GetData(iRow,iCol,iTime)-fBaseline;
1254 for (iTime = 0; iTime < fTimeTotal; iTime++)
1255 (*fDebugStream) << "TailCancellation"
1259 << "arr=" << arr[iTime]
1263 // Apply the tail cancelation via the digital filter
1264 DeConvExp(arr,fTimeTotal,nexp);
1266 // Save tailcancalled data and add the baseline
1267 for(iTime = 0; iTime < fTimeTotal; iTime++)
1268 fDigits->SetData(iRow,iCol,iTime,(Short_t)(arr[iTime] + fBaseline + 0.5f));
1270 } // while irow icol
1278 //_____________________________________________________________________________
1279 void AliTRDclusterizer::DeConvExp(Float_t *const arr, const Int_t nTime, const Int_t nexp)
1282 // Tail cancellation by deconvolution for PASA v4 TRF
1286 Float_t coefficients[2];
1288 // Initialization (coefficient = alpha, rates = lambda)
1294 if (nexp == 1) { // 1 Exponentials
1300 if (nexp == 2) { // 2 Exponentials
1302 fReconstructor->GetRecoParam()->GetTCParams(par);
1303 r1 = par[0];//1.156;
1304 r2 = par[1];//0.130;
1305 c1 = par[2];//0.114;
1306 c2 = par[3];//0.624;
1309 coefficients[0] = c1;
1310 coefficients[1] = c2;
1314 rates[0] = TMath::Exp(-dt/(r1));
1315 rates[1] = TMath::Exp(-dt/(r2));
1320 Float_t reminder[2];
1321 Float_t correction = 0.0;
1322 Float_t result = 0.0;
1324 // Attention: computation order is important
1325 for (k = 0; k < nexp; k++) {
1329 for (i = 0; i < nTime; i++) {
1331 result = (arr[i] - correction); // No rescaling
1334 for (k = 0; k < nexp; k++) {
1335 reminder[k] = rates[k] * (reminder[k] + coefficients[k] * result);
1339 for (k = 0; k < nexp; k++) {
1340 correction += reminder[k];
1347 //_____________________________________________________________________________
1348 void AliTRDclusterizer::ResetRecPoints()
1351 // Resets the list of rec points
1355 fRecPoints->Clear();
1357 // delete fRecPoints;
1361 //_____________________________________________________________________________
1362 TClonesArray *AliTRDclusterizer::RecPoints()
1365 // Returns the list of rec points
1369 if(!(fRecPoints = AliTRDReconstructor::GetClusters())){
1370 // determine number of clusters which has to be allocated
1371 Float_t nclusters = fReconstructor->GetRecoParam()->GetNClusters();
1373 fRecPoints = new TClonesArray("AliTRDcluster", Int_t(nclusters));
1375 //SetClustersOwner(kTRUE);
1376 AliTRDReconstructor::SetClusters(0x0);
1382 //_____________________________________________________________________________
1383 TClonesArray *AliTRDclusterizer::TrackletsArray()
1386 // Returns the list of rec points
1389 if (!fTracklets && fReconstructor->IsProcessingTracklets()) {
1390 fTracklets = new TClonesArray("AliTRDcluster", 2*MAXTRACKLETSPERHC);
1391 //SetClustersOwner(kTRUE);
1392 //AliTRDReconstructor::SetTracklets(0x0);