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 "AliTreeLoader.h"
30 #include "AliAlignObj.h"
32 #include "AliTRDclusterizer.h"
33 #include "AliTRDcluster.h"
34 #include "AliTRDReconstructor.h"
35 #include "AliTRDgeometry.h"
36 #include "AliTRDarrayDictionary.h"
37 #include "AliTRDarrayADC.h"
38 #include "AliTRDdigitsManager.h"
39 #include "AliTRDdigitsParam.h"
40 #include "AliTRDrawData.h"
41 #include "AliTRDcalibDB.h"
42 #include "AliTRDtransform.h"
43 #include "AliTRDSignalIndex.h"
44 #include "AliTRDrawStreamBase.h"
45 #include "AliTRDrawStream.h"
46 #include "AliTRDfeeParam.h"
47 #include "AliTRDtrackletWord.h"
49 #include "TTreeStream.h"
51 #include "Cal/AliTRDCalROC.h"
52 #include "Cal/AliTRDCalDet.h"
53 #include "Cal/AliTRDCalSingleChamberStatus.h"
55 ClassImp(AliTRDclusterizer)
57 //_____________________________________________________________________________
58 AliTRDclusterizer::AliTRDclusterizer(const AliTRDReconstructor *const rec)
66 ,fDigitsManager(new AliTRDdigitsManager())
67 ,fTrackletContainer(NULL)
69 ,fTransform(new AliTRDtransform(0))
76 ,fMinLeftRightCutSigma(0)
82 ,fCalGainFactorROC(NULL)
83 ,fCalGainFactorDetValue(0)
86 ,fCalPadStatusROC(NULL)
94 // AliTRDclusterizer default constructor
97 SetBit(kLabels, kTRUE);
98 SetBit(knewDM, kFALSE);
100 fRawVersion = AliTRDfeeParam::Instance()->GetRAWversion();
102 // Initialize debug stream
104 if(fReconstructor->GetRecoParam()->GetStreamLevel(AliTRDrecoParam::kClusterizer) > 1){
105 TDirectory *savedir = gDirectory;
106 //fgGetDebugStream = new TTreeSRedirector("TRD.ClusterizerDebug.root");
113 //_____________________________________________________________________________
114 AliTRDclusterizer::AliTRDclusterizer(const Text_t *name
115 , const Text_t *title
116 , const AliTRDReconstructor *const rec)
124 ,fDigitsManager(new AliTRDdigitsManager())
125 ,fTrackletContainer(NULL)
127 ,fTransform(new AliTRDtransform(0))
134 ,fMinLeftRightCutSigma(0)
140 ,fCalGainFactorROC(NULL)
141 ,fCalGainFactorDetValue(0)
143 ,fCalNoiseDetValue(0)
144 ,fCalPadStatusROC(NULL)
152 // AliTRDclusterizer constructor
155 SetBit(kLabels, kTRUE);
156 SetBit(knewDM, kFALSE);
158 fDigitsManager->CreateArrays();
160 fRawVersion = AliTRDfeeParam::Instance()->GetRAWversion();
166 //_____________________________________________________________________________
167 AliTRDclusterizer::AliTRDclusterizer(const AliTRDclusterizer &c)
169 ,fReconstructor(c.fReconstructor)
175 ,fDigitsManager(NULL)
176 ,fTrackletContainer(NULL)
185 ,fMinLeftRightCutSigma(0)
191 ,fCalGainFactorROC(NULL)
192 ,fCalGainFactorDetValue(0)
194 ,fCalNoiseDetValue(0)
195 ,fCalPadStatusROC(NULL)
203 // AliTRDclusterizer copy constructor
206 SetBit(kLabels, kTRUE);
207 SetBit(knewDM, kFALSE);
213 //_____________________________________________________________________________
214 AliTRDclusterizer::~AliTRDclusterizer()
217 // AliTRDclusterizer destructor
220 if (fRecPoints/* && IsClustersOwner()*/){
221 fRecPoints->Delete();
226 fTracklets->Delete();
230 if (fDigitsManager) {
231 delete fDigitsManager;
232 fDigitsManager = NULL;
235 if (fTrackletContainer){
236 delete [] fTrackletContainer[0];
237 delete [] fTrackletContainer[1];
238 delete [] fTrackletContainer;
239 fTrackletContainer = NULL;
254 //_____________________________________________________________________________
255 AliTRDclusterizer &AliTRDclusterizer::operator=(const AliTRDclusterizer &c)
258 // Assignment operator
263 ((AliTRDclusterizer &) c).Copy(*this);
270 //_____________________________________________________________________________
271 void AliTRDclusterizer::Copy(TObject &c) const
277 ((AliTRDclusterizer &) c).fClusterTree = NULL;
278 ((AliTRDclusterizer &) c).fRecPoints = NULL;
279 ((AliTRDclusterizer &) c).fTrackletTree = NULL;
280 ((AliTRDclusterizer &) c).fDigitsManager = NULL;
281 ((AliTRDclusterizer &) c).fTrackletContainer = NULL;
282 ((AliTRDclusterizer &) c).fRawVersion = fRawVersion;
283 ((AliTRDclusterizer &) c).fTransform = NULL;
284 ((AliTRDclusterizer &) c).fDigits = NULL;
285 ((AliTRDclusterizer &) c).fIndexes = NULL;
286 ((AliTRDclusterizer &) c).fMaxThresh = 0;
287 ((AliTRDclusterizer &) c).fMaxThreshTest = 0;
288 ((AliTRDclusterizer &) c).fSigThresh = 0;
289 ((AliTRDclusterizer &) c).fMinMaxCutSigma= 0;
290 ((AliTRDclusterizer &) c).fMinLeftRightCutSigma = 0;
291 ((AliTRDclusterizer &) c).fLayer = 0;
292 ((AliTRDclusterizer &) c).fDet = 0;
293 ((AliTRDclusterizer &) c).fVolid = 0;
294 ((AliTRDclusterizer &) c).fColMax = 0;
295 ((AliTRDclusterizer &) c).fTimeTotal = 0;
296 ((AliTRDclusterizer &) c).fCalGainFactorROC = NULL;
297 ((AliTRDclusterizer &) c).fCalGainFactorDetValue = 0;
298 ((AliTRDclusterizer &) c).fCalNoiseROC = NULL;
299 ((AliTRDclusterizer &) c).fCalNoiseDetValue = 0;
300 ((AliTRDclusterizer &) c).fCalPadStatusROC = NULL;
301 ((AliTRDclusterizer &) c).fClusterROC = 0;
302 ((AliTRDclusterizer &) c).firstClusterROC= 0;
303 ((AliTRDclusterizer &) c).fNoOfClusters = 0;
304 ((AliTRDclusterizer &) c).fBaseline = 0;
305 ((AliTRDclusterizer &) c).fRawStream = NULL;
309 //_____________________________________________________________________________
310 Bool_t AliTRDclusterizer::Open(const Char_t *name, Int_t nEvent)
313 // Opens the AliROOT file. Output and input are in the same file
316 TString evfoldname = AliConfig::GetDefaultEventFolderName();
317 fRunLoader = AliRunLoader::GetRunLoader(evfoldname);
320 fRunLoader = AliRunLoader::Open(name);
324 AliError(Form("Can not open session for file %s.",name));
335 //_____________________________________________________________________________
336 Bool_t AliTRDclusterizer::OpenOutput()
339 // Open the output file
342 if (!fReconstructor->IsWritingClusters()) return kTRUE;
344 TObjArray *ioArray = 0x0;
346 AliLoader* loader = fRunLoader->GetLoader("TRDLoader");
347 loader->MakeTree("R");
349 fClusterTree = loader->TreeR();
350 fClusterTree->Branch("TRDcluster", "TObjArray", &ioArray, 32000, 0);
356 //_____________________________________________________________________________
357 Bool_t AliTRDclusterizer::OpenOutput(TTree *const clusterTree)
360 // Connect the output tree
364 if (fReconstructor->IsWritingClusters()){
365 TObjArray *ioArray = 0x0;
366 fClusterTree = clusterTree;
367 fClusterTree->Branch("TRDcluster", "TObjArray", &ioArray, 32000, 0);
372 //_____________________________________________________________________________
373 Bool_t AliTRDclusterizer::OpenInput(Int_t nEvent)
376 // Opens a ROOT-file with TRD-hits and reads in the digits-tree
379 // Import the Trees for the event nEvent in the file
380 fRunLoader->GetEvent(nEvent);
386 //_____________________________________________________________________________
387 Bool_t AliTRDclusterizer::WriteClusters(Int_t det)
390 // Fills TRDcluster branch in the tree with the clusters
391 // found in detector = det. For det=-1 writes the tree.
395 (det >= AliTRDgeometry::Ndet())) {
396 AliError(Form("Unexpected detector index %d.\n",det));
400 TObjArray *ioArray = new TObjArray(400);
401 TBranch *branch = fClusterTree->GetBranch("TRDcluster");
403 fClusterTree->Branch("TRDcluster","TObjArray",&ioArray,32000,0);
404 } else branch->SetAddress(&ioArray);
406 Int_t nRecPoints = RecPoints()->GetEntriesFast();
408 for (Int_t i = 0; i < nRecPoints; i++) {
409 AliTRDcluster *c = (AliTRDcluster *) RecPoints()->UncheckedAt(i);
410 if(det != c->GetDetector()) continue;
413 fClusterTree->Fill();
416 Int_t detOld = -1, nw(0);
417 for (Int_t i = 0; i < nRecPoints; i++) {
418 AliTRDcluster *c = (AliTRDcluster *) RecPoints()->UncheckedAt(i);
419 if(c->GetDetector() != detOld){
420 nw += ioArray->GetEntriesFast();
421 fClusterTree->Fill();
423 detOld = c->GetDetector();
427 if(ioArray->GetEntriesFast()){
428 nw += ioArray->GetEntriesFast();
429 fClusterTree->Fill();
432 AliDebug(2, Form("Clusters FOUND[%d] WRITTEN[%d] STATUS[%s]", nRecPoints, nw, nw==nRecPoints?"OK":"FAILED"));
439 //_____________________________________________________________________________
440 Bool_t AliTRDclusterizer::WriteTracklets(Int_t det)
443 // Write the raw data tracklets into seperate file
446 UInt_t **leaves = new UInt_t *[2];
447 for (Int_t i=0; i<2 ;i++){
448 leaves[i] = new UInt_t[258];
449 leaves[i][0] = det; // det
450 leaves[i][1] = i; // side
451 memcpy(leaves[i]+2, fTrackletContainer[i], sizeof(UInt_t) * 256);
455 AliDataLoader *dl = fRunLoader->GetLoader("TRDLoader")->GetDataLoader("tracklets");
457 fTrackletTree = dl->Tree();
460 TBranch *trkbranch = fTrackletTree->GetBranch("trkbranch");
462 trkbranch = fTrackletTree->Branch("trkbranch",leaves[0],"det/i:side/i:tracklets[256]/i");
465 for (Int_t i=0; i<2; i++){
466 if (leaves[i][2]>0) {
467 trkbranch->SetAddress(leaves[i]);
468 fTrackletTree->Fill();
472 // AliDataLoader *dl = fRunLoader->GetLoader("TRDLoader")->GetDataLoader("tracklets"); //jkl: wrong here
473 // dl->WriteData("OVERWRITE"); //jkl: wrong here
481 //_____________________________________________________________________________
482 Bool_t AliTRDclusterizer::ReadDigits()
485 // Reads the digits arrays from the input aliroot file
489 AliError("No run loader available");
493 AliLoader* loader = fRunLoader->GetLoader("TRDLoader");
494 if (!loader->TreeD()) {
495 loader->LoadDigits();
498 // Read in the digit arrays
499 return (fDigitsManager->ReadDigits(loader->TreeD()));
503 //_____________________________________________________________________________
504 Bool_t AliTRDclusterizer::ReadDigits(TTree *digitsTree)
507 // Reads the digits arrays from the input tree
510 // Read in the digit arrays
511 return (fDigitsManager->ReadDigits(digitsTree));
515 //_____________________________________________________________________________
516 Bool_t AliTRDclusterizer::ReadDigits(AliRawReader *rawReader)
519 // Reads the digits arrays from the ddl file
523 fDigitsManager = raw.Raw2Digits(rawReader);
529 //_____________________________________________________________________________
530 Bool_t AliTRDclusterizer::MakeClusters()
533 // Creates clusters from digits
536 // Propagate info from the digits manager
537 if (TestBit(kLabels)){
538 SetBit(kLabels, fDigitsManager->UsesDictionaries());
541 Bool_t fReturn = kTRUE;
542 for (Int_t i = 0; i < AliTRDgeometry::kNdet; i++){
544 AliTRDarrayADC *digitsIn = (AliTRDarrayADC*) fDigitsManager->GetDigits(i); //mod
545 // This is to take care of switched off super modules
546 if (!digitsIn->HasData()) continue;
548 digitsIn->DeleteNegatives(); // Restore digits array to >=0 values
549 AliTRDSignalIndex* indexes = fDigitsManager->GetIndexes(i);
550 if (indexes->IsAllocated() == kFALSE){
551 fDigitsManager->BuildIndexes(i);
555 if (indexes->HasEntry()){
556 if (TestBit(kLabels)){
557 for (Int_t iDict = 0; iDict < AliTRDdigitsManager::kNDict; iDict++){
558 AliTRDarrayDictionary *tracksIn = 0; //mod
559 tracksIn = (AliTRDarrayDictionary *) fDigitsManager->GetDictionary(i,iDict); //mod
563 fR = MakeClusters(i);
564 fReturn = fR && fReturn;
568 // if(IsWritingClusters()) WriteClusters(i);
572 // Clear arrays of this chamber, to prepare for next event
573 fDigitsManager->ClearArrays(i);
576 if(fReconstructor->IsWritingClusters()) WriteClusters(-1);
578 AliInfo(Form("Number of found clusters : %d", RecPoints()->GetEntriesFast()));
584 //_____________________________________________________________________________
585 Bool_t AliTRDclusterizer::Raw2Clusters(AliRawReader *rawReader)
588 // Creates clusters from raw data
591 return Raw2ClustersChamber(rawReader);
595 //_____________________________________________________________________________
596 Bool_t AliTRDclusterizer::Raw2ClustersChamber(AliRawReader *rawReader)
599 // Creates clusters from raw data
602 // Create the digits manager
603 if (!fDigitsManager){
604 SetBit(knewDM, kTRUE);
605 fDigitsManager = new AliTRDdigitsManager(kTRUE);
606 fDigitsManager->CreateArrays();
609 fDigitsManager->SetUseDictionaries(TestBit(kLabels));
611 // ----- preparing tracklet output -----
612 if (fReconstructor->IsWritingTracklets()) {
613 AliDataLoader *trklLoader = AliRunLoader::Instance()->GetLoader("TRDLoader")->GetDataLoader("tracklets");
615 //AliInfo("Could not get the tracklets data loader, adding it now!");
616 trklLoader = new AliDataLoader("TRD.Tracklets.root","tracklets", "tracklets");
617 AliRunLoader::Instance()->GetLoader("TRDLoader")->AddDataLoader(trklLoader);
619 AliTreeLoader *trklTreeLoader = dynamic_cast<AliTreeLoader*> (trklLoader->GetBaseLoader("tracklets-raw"));
620 if (!trklTreeLoader) {
621 trklTreeLoader = new AliTreeLoader("tracklets-raw", trklLoader);
622 trklLoader->AddBaseLoader(trklTreeLoader);
624 if (!trklTreeLoader->Tree())
625 trklTreeLoader->MakeTree();
628 // tracklet container for raw tracklet writing
629 if (!fTrackletContainer && ( fReconstructor->IsWritingTracklets() || fReconstructor->IsProcessingTracklets() )) {
630 // maximum tracklets for one HC
631 const Int_t kTrackletChmb=256;
632 fTrackletContainer = new UInt_t *[2];
633 fTrackletContainer[0] = new UInt_t[kTrackletChmb];
634 fTrackletContainer[1] = new UInt_t[kTrackletChmb];
635 memset(fTrackletContainer[0], 0, kTrackletChmb*sizeof(UInt_t)); //jkl
636 memset(fTrackletContainer[1], 0, kTrackletChmb*sizeof(UInt_t)); //jkl
640 fRawStream = AliTRDrawStreamBase::GetRawStream(rawReader);
642 fRawStream->SetReader(rawReader);
644 if(fReconstructor->IsHLT()){
645 if(fRawStream->InheritsFrom(AliTRDrawStream::Class()))
646 ((AliTRDrawStream*)fRawStream)->DisableErrorStorage();
648 fRawStream->SetSharedPadReadout(kFALSE);
649 fRawStream->SetNoErrorWarning();
653 AliDebug(1,Form("Stream version: %s", fRawStream->IsA()->GetName()));
656 while ((det = fRawStream->NextChamber(fDigitsManager,fTrackletContainer)) < AliTRDgeometry::kNdet){
657 if (fDigitsManager->GetIndexes(det)->HasEntry()){
659 fDigitsManager->ClearArrays(det);
662 if (!fReconstructor->IsWritingTracklets()) continue;
663 if (*(fTrackletContainer[0]) > 0 || *(fTrackletContainer[1]) > 0) WriteTracklets(det);
666 if (fReconstructor->IsWritingTracklets()) {
667 if (AliDataLoader *trklLoader = AliRunLoader::Instance()->GetLoader("TRDLoader")->GetDataLoader("tracklets")) {
669 if (AliTreeLoader *trklTreeLoader = (AliTreeLoader*) trklLoader->GetBaseLoader("tracklets-raw"))
670 trklTreeLoader->WriteData("OVERWRITE");
671 trklLoader->UnloadAll();
676 if (fTrackletContainer){
677 delete [] fTrackletContainer[0];
678 delete [] fTrackletContainer[1];
679 delete [] fTrackletContainer;
680 fTrackletContainer = NULL;
683 if(fReconstructor->IsWritingClusters()) WriteClusters(-1);
685 if(!TestBit(knewDM)){
686 delete fDigitsManager;
687 fDigitsManager = NULL;
692 AliInfo(Form("Number of found clusters : %d", fNoOfClusters));
697 //_____________________________________________________________________________
698 UChar_t AliTRDclusterizer::GetStatus(Short_t &signal)
701 // Check if a pad is masked
706 if(signal>0 && TESTBIT(signal, 10)){
708 for(int ibit=0; ibit<4; ibit++){
709 if(TESTBIT(signal, 11+ibit)){
710 SETBIT(status, ibit);
711 CLRBIT(signal, 11+ibit);
718 //_____________________________________________________________________________
719 void AliTRDclusterizer::SetPadStatus(const UChar_t status, UChar_t &out) const {
721 // Set the pad status into out
722 // First three bits are needed for the position encoding
727 //_____________________________________________________________________________
728 UChar_t AliTRDclusterizer::GetPadStatus(UChar_t encoding) const {
730 // return the staus encoding of the corrupted pad
732 return static_cast<UChar_t>(encoding >> 3);
735 //_____________________________________________________________________________
736 Int_t AliTRDclusterizer::GetCorruption(UChar_t encoding) const {
738 // Return the position of the corruption
743 //_____________________________________________________________________________
744 Bool_t AliTRDclusterizer::MakeClusters(Int_t det)
747 // Generates the cluster.
751 fDigits = (AliTRDarrayADC *) fDigitsManager->GetDigits(det); //mod
752 fBaseline = fDigitsManager->GetDigitsParam()->GetADCbaseline(det);
754 // This is to take care of switched off super modules
755 if (!fDigits->HasData()) return kFALSE;
757 fIndexes = fDigitsManager->GetIndexes(det);
758 if (fIndexes->IsAllocated() == kFALSE) {
759 AliError("Indexes do not exist!");
763 AliTRDcalibDB* const calibration = AliTRDcalibDB::Instance();
765 AliFatal("No AliTRDcalibDB instance available\n");
769 if (!fReconstructor){
770 AliError("Reconstructor not set\n");
774 const AliTRDrecoParam *const recoParam = fReconstructor->GetRecoParam();
776 fMaxThresh = (Short_t)recoParam->GetClusMaxThresh();
777 fMaxThreshTest = (Short_t)(recoParam->GetClusMaxThresh()/2+fBaseline);
778 fSigThresh = (Short_t)recoParam->GetClusSigThresh();
779 fMinMaxCutSigma = recoParam->GetMinMaxCutSigma();
780 fMinLeftRightCutSigma = recoParam->GetMinLeftRightCutSigma();
781 const Int_t iEveryNTB = recoParam->GetRecEveryNTB();
783 Int_t istack = fIndexes->GetStack();
784 fLayer = fIndexes->GetLayer();
785 Int_t isector = fIndexes->GetSM();
787 // Start clustering in the chamber
789 fDet = AliTRDgeometry::GetDetector(fLayer,istack,isector);
791 AliError("Strange Detector number Missmatch!");
795 AliDebug(2, Form("Det[%d] @ Sec[%d] Stk[%d] Ly[%d]", fDet, isector, istack, fLayer));
797 // TRD space point transformation
798 fTransform->SetDetector(det);
800 Int_t iGeoLayer = AliGeomManager::kTRD1 + fLayer;
801 Int_t iGeoModule = istack + AliTRDgeometry::Nstack() * isector;
802 fVolid = AliGeomManager::LayerToVolUID(iGeoLayer,iGeoModule);
804 if(fReconstructor->IsProcessingTracklets() && fTrackletContainer)
805 AddTrackletsToArray();
807 fColMax = fDigits->GetNcol();
808 fTimeTotal = fDigitsManager->GetDigitsParam()->GetNTimeBins(det);
810 // Check consistency between OCDB and raw data
811 Int_t nTimeOCDB = calibration->GetNumberOfTimeBinsDCS();
812 if(fReconstructor->IsHLT()){
813 if((nTimeOCDB > -1) && (fTimeTotal != nTimeOCDB)){
814 AliWarning(Form("Number of timebins does not match OCDB value (RAW[%d] OCDB[%d]), using raw value"
815 ,fTimeTotal,nTimeOCDB));
819 AliWarning("Undefined number of timebins in OCDB, using value from raw data.");
821 AliError("Number of timebins in raw data is negative, skipping chamber!");
824 }else if(nTimeOCDB == -2){
825 AliError("Mixed number of timebins in OCDB, no reconstruction of TRD data!");
827 }else if(fTimeTotal != nTimeOCDB){
828 AliError(Form("Number of timebins in raw data does not match OCDB value (RAW[%d] OCDB[%d]), skipping chamber!"
829 ,fTimeTotal,nTimeOCDB));
834 // Detector wise calibration object for the gain factors
835 const AliTRDCalDet *calGainFactorDet = calibration->GetGainFactorDet();
836 // Calibration object with pad wise values for the gain factors
837 fCalGainFactorROC = calibration->GetGainFactorROC(fDet);
838 // Calibration value for chamber wise gain factor
839 fCalGainFactorDetValue = calGainFactorDet->GetValue(fDet);
841 // Detector wise calibration object for the noise
842 const AliTRDCalDet *calNoiseDet = calibration->GetNoiseDet();
843 // Calibration object with pad wise values for the noise
844 fCalNoiseROC = calibration->GetNoiseROC(fDet);
845 // Calibration value for chamber wise noise
846 fCalNoiseDetValue = calNoiseDet->GetValue(fDet);
848 // Calibration object with the pad status
849 fCalPadStatusROC = calibration->GetPadStatusROC(fDet);
851 firstClusterROC = -1;
854 SetBit(kLUT, recoParam->UseLUT());
855 SetBit(kGAUS, recoParam->UseGAUS());
857 // Apply the gain and the tail cancelation via digital filter
858 if(recoParam->UseTailCancelation()) TailCancelation(recoParam);
860 MaxStruct curr, last;
861 Int_t nMaximas = 0, nCorrupted = 0;
863 // Here the clusterfining is happening
865 for(curr.time = 0; curr.time < fTimeTotal; curr.time+=iEveryNTB){
866 while(fIndexes->NextRCIndex(curr.row, curr.col)){
867 if(fDigits->GetData(curr.row, curr.col, curr.time) > fMaxThreshTest && IsMaximum(curr, curr.padStatus, &curr.signals[0])){
869 if(curr.col==last.col+2 && curr.row==last.row && curr.time==last.time) FivePadCluster(last, curr);
872 last=curr; curr.fivePad=kFALSE;
876 if(last.row>-1) CreateCluster(last);
878 if(recoParam->GetStreamLevel(AliTRDrecoParam::kClusterizer) > 2 && fReconstructor->IsDebugStreaming()){
879 TTreeSRedirector* fDebugStream = fReconstructor->GetDebugStream(AliTRDrecoParam::kClusterizer);
880 (*fDebugStream) << "MakeClusters"
881 << "Detector=" << det
882 << "NMaxima=" << nMaximas
883 << "NClusters=" << fClusterROC
884 << "NCorrupted=" << nCorrupted
887 if (TestBit(kLabels)) AddLabels();
893 //_____________________________________________________________________________
894 Bool_t AliTRDclusterizer::IsMaximum(const MaxStruct &Max, UChar_t &padStatus, Short_t *const Signals)
897 // Returns true if this row,col,time combination is a maximum.
898 // Gives back the padStatus and the signals of the center pad and the two neighbouring pads.
901 Float_t gain = fCalGainFactorDetValue * fCalGainFactorROC->GetValue(Max.col,Max.row);
902 Signals[1] = (Short_t)((fDigits->GetData(Max.row, Max.col, Max.time) - fBaseline) / gain + 0.5f);
903 if(Signals[1] <= fMaxThresh) return kFALSE;
905 if(Max.col < 1 || Max.col + 1 >= fColMax) return kFALSE;
907 Short_t noiseMiddleThresh = (Short_t)(fMinMaxCutSigma*fCalNoiseDetValue*fCalNoiseROC->GetValue(Max.col, Max.row));
908 if (Signals[1] <= noiseMiddleThresh) return kFALSE;
911 fCalPadStatusROC->GetStatus(Max.col-1, Max.row)
912 ,fCalPadStatusROC->GetStatus(Max.col, Max.row)
913 ,fCalPadStatusROC->GetStatus(Max.col+1, Max.row)
917 if((signal = fDigits->GetData(Max.row, Max.col-1, Max.time))){
918 gain = fCalGainFactorDetValue * fCalGainFactorROC->GetValue(Max.col-1,Max.row);
919 Signals[0] = (Short_t)((signal - fBaseline) / gain + 0.5f);
920 } else Signals[0] = 0;
921 if((signal = fDigits->GetData(Max.row, Max.col+1, Max.time))){
922 gain = fCalGainFactorDetValue * fCalGainFactorROC->GetValue(Max.col+1,Max.row);
923 Signals[2] = (Short_t)((signal - fBaseline) / gain + 0.5f);
924 } else Signals[2] = 0;
926 if(!(status[0] | status[1] | status[2])) {//all pads are good
927 if ((Signals[2] <= Signals[1]) && (Signals[0] < Signals[1])) {
928 if ((Signals[2] > fSigThresh) || (Signals[0] > fSigThresh)) {
929 if(Signals[0]<0)Signals[0]=0;
930 if(Signals[2]<0)Signals[2]=0;
931 Short_t noiseSumThresh = (Short_t)(fMinLeftRightCutSigma * fCalNoiseDetValue
932 * fCalNoiseROC->GetValue(Max.col, Max.row));
933 if ((Signals[2]+Signals[0]+Signals[1]) <= noiseSumThresh) return kFALSE;
938 } else { // at least one of the pads is bad, and reject candidates with more than 1 problematic pad
939 if(Signals[0]<0)Signals[0]=0;
940 if(Signals[2]<0)Signals[2]=0;
941 if (status[2] && (!(status[0] || status[1])) && Signals[1] > Signals[0] && Signals[0] > fSigThresh) {
943 SetPadStatus(status[2], padStatus);
946 else if (status[0] && (!(status[1] || status[2])) && Signals[1] >= Signals[2] && Signals[2] > fSigThresh) {
948 SetPadStatus(status[0], padStatus);
951 else if (status[1] && (!(status[0] || status[2])) && ((Signals[2] > fSigThresh) || (Signals[0] > fSigThresh))) {
952 Signals[1] = fMaxThresh;
953 SetPadStatus(status[1], padStatus);
960 //_____________________________________________________________________________
961 Bool_t AliTRDclusterizer::FivePadCluster(MaxStruct &ThisMax, MaxStruct &NeighbourMax)
964 // Look for 5 pad cluster with minimum in the middle
965 // Gives back the ratio
968 if (ThisMax.col >= fColMax - 3) return kFALSE;
970 if (ThisMax.col < fColMax - 5){
971 gain = fCalGainFactorDetValue * fCalGainFactorROC->GetValue(ThisMax.col+4,ThisMax.row);
972 if (fDigits->GetData(ThisMax.row, ThisMax.col+4, ThisMax.time) - fBaseline >= fSigThresh * gain)
975 if (ThisMax.col > 1) {
976 gain = fCalGainFactorDetValue * fCalGainFactorROC->GetValue(ThisMax.col-2,ThisMax.row);
977 if (fDigits->GetData(ThisMax.row, ThisMax.col-2, ThisMax.time) - fBaseline >= fSigThresh * gain)
981 const Float_t kEpsilon = 0.01;
982 Double_t padSignal[5] = {ThisMax.signals[0], ThisMax.signals[1], ThisMax.signals[2],
983 NeighbourMax.signals[1], NeighbourMax.signals[2]};
985 // Unfold the two maxima and set the signal on
986 // the overlapping pad to the ratio
987 Float_t ratio = Unfold(kEpsilon,fLayer,padSignal);
988 ThisMax.signals[2] = (Short_t)(ThisMax.signals[2]*ratio + 0.5f);
989 NeighbourMax.signals[0] = (Short_t)(NeighbourMax.signals[0]*(1-ratio) + 0.5f);
990 ThisMax.fivePad=kTRUE;
991 NeighbourMax.fivePad=kTRUE;
996 //_____________________________________________________________________________
997 void AliTRDclusterizer::CreateCluster(const MaxStruct &Max)
1000 // Creates a cluster at the given position and saves it in fRecPoints
1003 Int_t nPadCount = 1;
1004 Short_t signals[7] = { 0, 0, Max.signals[0], Max.signals[1], Max.signals[2], 0, 0 };
1005 if(!fReconstructor->IsHLT()) CalcAdditionalInfo(Max, signals, nPadCount);
1007 AliTRDcluster cluster(fDet, ((UChar_t) Max.col), ((UChar_t) Max.row), ((UChar_t) Max.time), signals, fVolid);
1008 cluster.SetNPads(nPadCount);
1009 if(TestBit(kLUT)) cluster.SetRPhiMethod(AliTRDcluster::kLUT);
1010 else if(TestBit(kGAUS)) cluster.SetRPhiMethod(AliTRDcluster::kGAUS);
1011 else cluster.SetRPhiMethod(AliTRDcluster::kCOG);
1013 cluster.SetFivePad(Max.fivePad);
1014 // set pads status for the cluster
1015 UChar_t maskPosition = GetCorruption(Max.padStatus);
1017 cluster.SetPadMaskedPosition(maskPosition);
1018 cluster.SetPadMaskedStatus(GetPadStatus(Max.padStatus));
1020 cluster.SetXcorr(fReconstructor->UseClusterRadialCorrection());
1022 // Transform the local cluster coordinates into calibrated
1023 // space point positions defined in the local tracking system.
1024 // Here the calibration for T0, Vdrift and ExB is applied as well.
1025 if(!TestBit(kSkipTrafo)) if(!fTransform->Transform(&cluster)) return;
1027 // Temporarily store the Max.Row, column and time bin of the center pad
1028 // Used to later on assign the track indices
1029 cluster.SetLabel(Max.row, 0);
1030 cluster.SetLabel(Max.col, 1);
1031 cluster.SetLabel(Max.time,2);
1033 //needed for HLT reconstruction
1034 AddClusterToArray(&cluster);
1036 // Store the index of the first cluster in the current ROC
1037 if (firstClusterROC < 0) firstClusterROC = fNoOfClusters;
1043 //_____________________________________________________________________________
1044 void AliTRDclusterizer::CalcAdditionalInfo(const MaxStruct &Max, Short_t *const signals, Int_t &nPadCount)
1046 // Calculate number of pads/cluster and
1047 // ADC signals at position 0, 1, 5 and 6
1049 Float_t gain(1.); Short_t signal(0.);
1050 // Store the amplitudes of the pads in the cluster for later analysis
1051 // and check whether one of these pads is masked in the database
1052 signals[3]=Max.signals[1];
1053 Int_t ipad(1), jpad(0);
1054 // Look to the right
1055 while((jpad = Max.col-ipad)){
1056 if(!(signal = fDigits->GetData(Max.row, jpad, Max.time))) break; // empty digit !
1057 gain = fCalGainFactorDetValue * fCalGainFactorROC->GetValue(jpad, Max.row);
1058 signal = (Short_t)((signal - fBaseline) / gain + 0.5f);
1059 if(signal<fSigThresh) break; // signal under threshold
1061 if(ipad<=3) signals[3 - ipad] = signal;
1066 while((jpad = Max.col+ipad)<fColMax){
1067 if(!(signal = fDigits->GetData(Max.row, jpad, Max.time))) break; // empty digit !
1068 gain = fCalGainFactorDetValue * fCalGainFactorROC->GetValue(jpad, Max.row);
1069 signal = (Short_t)((signal - fBaseline) / gain + 0.5f);
1070 if(signal<fSigThresh) break; // signal under threshold
1072 if(ipad<=3) signals[3 + ipad] = signal;
1076 AliDebug(4, Form("Signals[%3d %3d %3d %3d %3d %3d %3d] Npads[%d]."
1077 , signals[0], signals[1], signals[2], signals[3], signals[4], signals[5], signals[6], nPadCount));
1080 //_____________________________________________________________________________
1081 void AliTRDclusterizer::AddClusterToArray(AliTRDcluster* cluster)
1084 // Add a cluster to the array
1087 Int_t n = RecPoints()->GetEntriesFast();
1088 if(n!=fNoOfClusters)AliError(Form("fNoOfClusters != RecPoints()->GetEntriesFast %i != %i \n", fNoOfClusters, n));
1089 new((*RecPoints())[n]) AliTRDcluster(*cluster);
1092 //_____________________________________________________________________________
1093 void AliTRDclusterizer::AddTrackletsToArray()
1096 // Add the online tracklets of this chamber to the array
1099 UInt_t* trackletword;
1100 for(Int_t side=0; side<2; side++)
1103 trackletword=fTrackletContainer[side];
1104 while(trackletword[trkl]>0){
1105 Int_t n = TrackletsArray()->GetEntriesFast();
1106 AliTRDtrackletWord tmp(trackletword[trkl]);
1107 new((*TrackletsArray())[n]) AliTRDcluster(&tmp,fDet,fVolid);
1113 //_____________________________________________________________________________
1114 Bool_t AliTRDclusterizer::AddLabels()
1117 // Add the track indices to the found clusters
1120 const Int_t kNclus = 3;
1121 const Int_t kNdict = AliTRDdigitsManager::kNDict;
1122 const Int_t kNtrack = kNdict * kNclus;
1124 Int_t iClusterROC = 0;
1131 // Temporary array to collect the track indices
1132 Int_t *idxTracks = new Int_t[kNtrack*fClusterROC];
1134 // Loop through the dictionary arrays one-by-one
1135 // to keep memory consumption low
1136 AliTRDarrayDictionary *tracksIn = 0; //mod
1137 for (Int_t iDict = 0; iDict < kNdict; iDict++) {
1139 // tracksIn should be expanded beforehand!
1140 tracksIn = (AliTRDarrayDictionary *) fDigitsManager->GetDictionary(fDet,iDict);
1142 // Loop though the clusters found in this ROC
1143 for (iClusterROC = 0; iClusterROC < fClusterROC; iClusterROC++) {
1145 AliTRDcluster *cluster = (AliTRDcluster *)
1146 RecPoints()->UncheckedAt(firstClusterROC+iClusterROC);
1147 row = cluster->GetLabel(0);
1148 col = cluster->GetLabel(1);
1149 time = cluster->GetLabel(2);
1151 for (iPad = 0; iPad < kNclus; iPad++) {
1152 Int_t iPadCol = col - 1 + iPad;
1153 Int_t index = tracksIn->GetData(row,iPadCol,time); //Modification of -1 in Track
1154 idxTracks[3*iPad+iDict + iClusterROC*kNtrack] = index;
1161 // Copy the track indices into the cluster
1162 // Loop though the clusters found in this ROC
1163 for (iClusterROC = 0; iClusterROC < fClusterROC; iClusterROC++) {
1165 AliTRDcluster *cluster = (AliTRDcluster *)
1166 RecPoints()->UncheckedAt(firstClusterROC+iClusterROC);
1167 cluster->SetLabel(-9999,0);
1168 cluster->SetLabel(-9999,1);
1169 cluster->SetLabel(-9999,2);
1171 cluster->AddTrackIndex(&idxTracks[iClusterROC*kNtrack]);
1175 delete [] idxTracks;
1181 //_____________________________________________________________________________
1182 Float_t AliTRDclusterizer::Unfold(Double_t eps, Int_t layer, const Double_t *const padSignal) const
1185 // Method to unfold neighbouring maxima.
1186 // The charge ratio on the overlapping pad is calculated
1187 // until there is no more change within the range given by eps.
1188 // The resulting ratio is then returned to the calling method.
1191 AliTRDcalibDB *calibration = AliTRDcalibDB::Instance();
1193 AliError("No AliTRDcalibDB instance available\n");
1198 Int_t itStep = 0; // Count iteration steps
1200 Double_t ratio = 0.5; // Start value for ratio
1201 Double_t prevRatio = 0.0; // Store previous ratio
1203 Double_t newLeftSignal[3] = { 0.0, 0.0, 0.0 }; // Array to store left cluster signal
1204 Double_t newRightSignal[3] = { 0.0, 0.0, 0.0 }; // Array to store right cluster signal
1205 Double_t newSignal[3] = { 0.0, 0.0, 0.0 };
1207 // Start the iteration
1208 while ((TMath::Abs(prevRatio - ratio) > eps) && (itStep < 10)) {
1213 // Cluster position according to charge ratio
1214 Double_t maxLeft = (ratio*padSignal[2] - padSignal[0])
1215 / (padSignal[0] + padSignal[1] + ratio * padSignal[2]);
1216 Double_t maxRight = (padSignal[4] - (1-ratio)*padSignal[2])
1217 / ((1.0 - ratio)*padSignal[2] + padSignal[3] + padSignal[4]);
1219 // Set cluster charge ratio
1220 irc = calibration->PadResponse(1.0, maxLeft, layer, newSignal);
1221 Double_t ampLeft = padSignal[1] / newSignal[1];
1222 irc = calibration->PadResponse(1.0, maxRight, layer, newSignal);
1223 Double_t ampRight = padSignal[3] / newSignal[1];
1225 // Apply pad response to parameters
1226 irc = calibration->PadResponse(ampLeft ,maxLeft ,layer,newLeftSignal );
1227 irc = calibration->PadResponse(ampRight,maxRight,layer,newRightSignal);
1229 // Calculate new overlapping ratio
1230 ratio = TMath::Min((Double_t) 1.0
1231 ,newLeftSignal[2] / (newLeftSignal[2] + newRightSignal[0]));
1239 //_____________________________________________________________________________
1240 void AliTRDclusterizer::TailCancelation(const AliTRDrecoParam* const recoParam)
1243 // Applies the tail cancelation
1250 TTreeSRedirector *fDebugStream = fReconstructor->GetDebugStream(AliTRDrecoParam::kClusterizer);
1251 Bool_t debugStreaming = recoParam->GetStreamLevel(AliTRDrecoParam::kClusterizer) > 7 && fReconstructor->IsDebugStreaming();
1252 Int_t nexp = recoParam->GetTCnexp();
1253 while(fIndexes->NextRCIndex(iRow, iCol))
1255 // if corrupted then don't make the tail cancallation
1256 if (fCalPadStatusROC->GetStatus(iCol, iRow)) continue;
1259 for (iTime = 0; iTime < fTimeTotal; iTime++)
1260 (*fDebugStream) << "TailCancellation"
1266 // Apply the tail cancelation via the digital filter
1267 DeConvExp(fDigits->GetDataAddress(iRow,iCol),fTimeTotal,nexp);
1269 } // while irow icol
1275 //_____________________________________________________________________________
1276 void AliTRDclusterizer::DeConvExp(Short_t *const arr, const Int_t nTime, const Int_t nexp)
1279 // Tail cancellation by deconvolution for PASA v4 TRF
1283 Float_t coefficients[2];
1285 // Initialization (coefficient = alpha, rates = lambda)
1291 if (nexp == 1) { // 1 Exponentials
1297 if (nexp == 2) { // 2 Exponentials
1299 fReconstructor->GetRecoParam()->GetTCParams(par);
1300 r1 = par[0];//1.156;
1301 r2 = par[1];//0.130;
1302 c1 = par[2];//0.114;
1303 c2 = par[3];//0.624;
1306 coefficients[0] = c1;
1307 coefficients[1] = c2;
1311 rates[0] = TMath::Exp(-dt/(r1));
1312 rates[1] = (nexp == 1) ? .0 : TMath::Exp(-dt/(r2));
1314 Float_t reminder[2] = { .0, .0 };
1315 Float_t correction = 0.0;
1316 Float_t result = 0.0;
1318 for (int i = 0; i < nTime; i++) {
1320 result = arr[i] - correction - fBaseline; // No rescaling
1321 arr[i] = (Short_t)(result + fBaseline + 0.5f);
1324 for (int k = 0; k < 2; k++) {
1325 correction += reminder[k] = rates[k] * (reminder[k] + coefficients[k] * result);
1332 //_____________________________________________________________________________
1333 void AliTRDclusterizer::ResetRecPoints()
1336 // Resets the list of rec points
1340 fRecPoints->Clear();
1342 // delete fRecPoints;
1346 //_____________________________________________________________________________
1347 TClonesArray *AliTRDclusterizer::RecPoints()
1350 // Returns the list of rec points
1354 if(!(fRecPoints = AliTRDReconstructor::GetClusters())){
1355 // determine number of clusters which has to be allocated
1356 Float_t nclusters = fReconstructor->GetRecoParam()->GetNClusters();
1358 fRecPoints = new TClonesArray("AliTRDcluster", Int_t(nclusters));
1360 //SetClustersOwner(kTRUE);
1361 AliTRDReconstructor::SetClusters(0x0);
1367 //_____________________________________________________________________________
1368 TClonesArray *AliTRDclusterizer::TrackletsArray()
1371 // Returns the list of rec points
1374 if (!fTracklets && fReconstructor->IsProcessingTracklets()) {
1375 fTracklets = new TClonesArray("AliTRDcluster", 2*MAXTRACKLETSPERHC);
1376 //SetClustersOwner(kTRUE);
1377 //AliTRDReconstructor::SetTracklets(0x0);