X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=TRD%2FAliTRDclusterizer.cxx;h=712f8d4d3effa036ac2e3fdd3e2841801ccfd6e0;hb=9590970b3179c55c7fc38d8a3fa49b3a91912f05;hp=18b41511fd34efb47700a71c2471e83807808090;hpb=ecf394168509e8d1edcae0a32f0c70d3c93cf668;p=u%2Fmrichter%2FAliRoot.git diff --git a/TRD/AliTRDclusterizer.cxx b/TRD/AliTRDclusterizer.cxx index 18b41511fd3..712f8d4d3ef 100644 --- a/TRD/AliTRDclusterizer.cxx +++ b/TRD/AliTRDclusterizer.cxx @@ -1,80 +1,212 @@ /************************************************************************** - * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * - * * - * Author: The ALICE Off-line Project. * - * Contributors are mentioned in the code where appropriate. * - * * - * Permission to use, copy, modify and distribute this software and its * - * documentation strictly for non-commercial purposes is hereby granted * - * without fee, provided that the above copyright notice appears in all * - * copies and that both the copyright notice and this permission notice * - * appear in the supporting documentation. The authors make no claims * - * about the suitability of this software for any purpose. It is * - * provided "as is" without express or implied warranty. * - **************************************************************************/ +* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * +* * +* Author: The ALICE Off-line Project. * +* Contributors are mentioned in the code where appropriate. * +* * +* Permission to use, copy, modify and distribute this software and its * +* documentation strictly for non-commercial purposes is hereby granted * +* without fee, provided that the above copyright notice appears in all * +* copies and that both the copyright notice and this permission notice * +* appear in the supporting documentation. The authors make no claims * +* about the suitability of this software for any purpose. It is * +* provided "as is" without express or implied warranty. * +**************************************************************************/ /* $Id$ */ /////////////////////////////////////////////////////////////////////////////// // // -// TRD cluster finder base class // +// TRD cluster finder // // // /////////////////////////////////////////////////////////////////////////////// -#include -#include -#include +#include #include #include "AliRunLoader.h" #include "AliLoader.h" -#include "AliLog.h" +#include "AliTreeLoader.h" +#include "AliAlignObj.h" #include "AliTRDclusterizer.h" #include "AliTRDcluster.h" +#include "AliTRDReconstructor.h" #include "AliTRDgeometry.h" +#include "AliTRDarrayDictionary.h" +#include "AliTRDarrayADC.h" +#include "AliTRDdigitsManager.h" +#include "AliTRDdigitsParam.h" +#include "AliTRDrawData.h" #include "AliTRDcalibDB.h" -#include "AliTRDCommonParam.h" +#include "AliTRDtransform.h" +#include "AliTRDSignalIndex.h" +#include "AliTRDrawStream.h" +#include "AliTRDfeeParam.h" +#include "AliTRDtrackletWord.h" + +#include "TTreeStream.h" + +#include "Cal/AliTRDCalROC.h" +#include "Cal/AliTRDCalDet.h" +#include "Cal/AliTRDCalSingleChamberStatus.h" ClassImp(AliTRDclusterizer) //_____________________________________________________________________________ -AliTRDclusterizer::AliTRDclusterizer() +AliTRDclusterizer::AliTRDclusterizer(const AliTRDReconstructor *const rec) :TNamed() + ,fReconstructor(rec) ,fRunLoader(NULL) ,fClusterTree(NULL) ,fRecPoints(NULL) + ,fTracklets(NULL) + ,fTrackletTree(NULL) + ,fDigitsManager(new AliTRDdigitsManager()) + ,fTrackletContainer(NULL) + ,fRawVersion(2) + ,fTransform(new AliTRDtransform(0)) + ,fDigits(NULL) + ,fIndexes(NULL) + ,fMaxThresh(0) + ,fMaxThreshTest(0) + ,fSigThresh(0) + ,fMinMaxCutSigma(0) + ,fMinLeftRightCutSigma(0) + ,fLayer(0) + ,fDet(0) + ,fVolid(0) + ,fColMax(0) + ,fTimeTotal(0) + ,fCalGainFactorROC(NULL) + ,fCalGainFactorDetValue(0) + ,fCalNoiseROC(NULL) + ,fCalNoiseDetValue(0) + ,fCalPadStatusROC(NULL) + ,fClusterROC(0) + ,firstClusterROC(0) + ,fNoOfClusters(0) + ,fBaseline(0) + ,fRawStream(NULL) { // // AliTRDclusterizer default constructor // + SetBit(kLabels, kTRUE); + SetBit(knewDM, kFALSE); + + fRawVersion = AliTRDfeeParam::Instance()->GetRAWversion(); + + // Initialize debug stream + if(fReconstructor){ + if(fReconstructor->GetRecoParam()->GetStreamLevel(AliTRDrecoParam::kClusterizer) > 1){ + TDirectory *savedir = gDirectory; + //fgGetDebugStream = new TTreeSRedirector("TRD.ClusterizerDebug.root"); + savedir->cd(); + } + } + } //_____________________________________________________________________________ -AliTRDclusterizer::AliTRDclusterizer(const Text_t* name, const Text_t* title) +AliTRDclusterizer::AliTRDclusterizer(const Text_t *name + , const Text_t *title + , const AliTRDReconstructor *const rec) :TNamed(name,title) + ,fReconstructor(rec) ,fRunLoader(NULL) ,fClusterTree(NULL) ,fRecPoints(NULL) + ,fTracklets(NULL) + ,fTrackletTree(NULL) + ,fDigitsManager(new AliTRDdigitsManager()) + ,fTrackletContainer(NULL) + ,fRawVersion(2) + ,fTransform(new AliTRDtransform(0)) + ,fDigits(NULL) + ,fIndexes(NULL) + ,fMaxThresh(0) + ,fMaxThreshTest(0) + ,fSigThresh(0) + ,fMinMaxCutSigma(0) + ,fMinLeftRightCutSigma(0) + ,fLayer(0) + ,fDet(0) + ,fVolid(0) + ,fColMax(0) + ,fTimeTotal(0) + ,fCalGainFactorROC(NULL) + ,fCalGainFactorDetValue(0) + ,fCalNoiseROC(NULL) + ,fCalNoiseDetValue(0) + ,fCalPadStatusROC(NULL) + ,fClusterROC(0) + ,firstClusterROC(0) + ,fNoOfClusters(0) + ,fBaseline(0) + ,fRawStream(NULL) { // // AliTRDclusterizer constructor // + SetBit(kLabels, kTRUE); + SetBit(knewDM, kFALSE); + + fDigitsManager->CreateArrays(); + + fRawVersion = AliTRDfeeParam::Instance()->GetRAWversion(); + + //FillLUT(); + } //_____________________________________________________________________________ AliTRDclusterizer::AliTRDclusterizer(const AliTRDclusterizer &c) :TNamed(c) + ,fReconstructor(c.fReconstructor) ,fRunLoader(NULL) ,fClusterTree(NULL) ,fRecPoints(NULL) + ,fTracklets(NULL) + ,fTrackletTree(NULL) + ,fDigitsManager(NULL) + ,fTrackletContainer(NULL) + ,fRawVersion(2) + ,fTransform(NULL) + ,fDigits(NULL) + ,fIndexes(NULL) + ,fMaxThresh(0) + ,fMaxThreshTest(0) + ,fSigThresh(0) + ,fMinMaxCutSigma(0) + ,fMinLeftRightCutSigma(0) + ,fLayer(0) + ,fDet(0) + ,fVolid(0) + ,fColMax(0) + ,fTimeTotal(0) + ,fCalGainFactorROC(NULL) + ,fCalGainFactorDetValue(0) + ,fCalNoiseROC(NULL) + ,fCalNoiseDetValue(0) + ,fCalPadStatusROC(NULL) + ,fClusterROC(0) + ,firstClusterROC(0) + ,fNoOfClusters(0) + ,fBaseline(0) + ,fRawStream(NULL) { // // AliTRDclusterizer copy constructor // + SetBit(kLabels, kTRUE); + SetBit(knewDM, kFALSE); + + //FillLUT(); + } //_____________________________________________________________________________ @@ -84,11 +216,38 @@ AliTRDclusterizer::~AliTRDclusterizer() // AliTRDclusterizer destructor // - if (fRecPoints) { + if (fRecPoints/* && IsClustersOwner()*/){ fRecPoints->Delete(); delete fRecPoints; } + if (fTracklets){ + fTracklets->Delete(); + delete fTracklets; + } + + if (fDigitsManager) { + delete fDigitsManager; + fDigitsManager = NULL; + } + + if (fTrackletContainer){ + delete [] fTrackletContainer[0]; + delete [] fTrackletContainer[1]; + delete [] fTrackletContainer; + fTrackletContainer = NULL; + } + + if (fTransform){ + delete fTransform; + fTransform = NULL; + } + + if (fRawStream){ + delete fRawStream; + fRawStream = NULL; + } + } //_____________________________________________________________________________ @@ -98,9 +257,11 @@ AliTRDclusterizer &AliTRDclusterizer::operator=(const AliTRDclusterizer &c) // Assignment operator // - if (this != &c) { - ((AliTRDclusterizer &) c).Copy(*this); - } + if (this != &c) + { + ((AliTRDclusterizer &) c).Copy(*this); + } + return *this; } @@ -112,9 +273,36 @@ void AliTRDclusterizer::Copy(TObject &c) const // Copy function // - ((AliTRDclusterizer &) c).fClusterTree = NULL; - ((AliTRDclusterizer &) c).fRecPoints = NULL; - + ((AliTRDclusterizer &) c).fClusterTree = NULL; + ((AliTRDclusterizer &) c).fRecPoints = NULL; + ((AliTRDclusterizer &) c).fTrackletTree = NULL; + ((AliTRDclusterizer &) c).fDigitsManager = NULL; + ((AliTRDclusterizer &) c).fTrackletContainer = NULL; + ((AliTRDclusterizer &) c).fRawVersion = fRawVersion; + ((AliTRDclusterizer &) c).fTransform = NULL; + ((AliTRDclusterizer &) c).fDigits = NULL; + ((AliTRDclusterizer &) c).fIndexes = NULL; + ((AliTRDclusterizer &) c).fMaxThresh = 0; + ((AliTRDclusterizer &) c).fMaxThreshTest = 0; + ((AliTRDclusterizer &) c).fSigThresh = 0; + ((AliTRDclusterizer &) c).fMinMaxCutSigma= 0; + ((AliTRDclusterizer &) c).fMinLeftRightCutSigma = 0; + ((AliTRDclusterizer &) c).fLayer = 0; + ((AliTRDclusterizer &) c).fDet = 0; + ((AliTRDclusterizer &) c).fVolid = 0; + ((AliTRDclusterizer &) c).fColMax = 0; + ((AliTRDclusterizer &) c).fTimeTotal = 0; + ((AliTRDclusterizer &) c).fCalGainFactorROC = NULL; + ((AliTRDclusterizer &) c).fCalGainFactorDetValue = 0; + ((AliTRDclusterizer &) c).fCalNoiseROC = NULL; + ((AliTRDclusterizer &) c).fCalNoiseDetValue = 0; + ((AliTRDclusterizer &) c).fCalPadStatusROC = NULL; + ((AliTRDclusterizer &) c).fClusterROC = 0; + ((AliTRDclusterizer &) c).firstClusterROC= 0; + ((AliTRDclusterizer &) c).fNoOfClusters = 0; + ((AliTRDclusterizer &) c).fBaseline = 0; + ((AliTRDclusterizer &) c).fRawStream = NULL; + } //_____________________________________________________________________________ @@ -150,32 +338,34 @@ Bool_t AliTRDclusterizer::OpenOutput() // Open the output file // - TObjArray *ioArray = 0; + if (!fReconstructor->IsWritingClusters()) return kTRUE; + + TObjArray *ioArray = 0x0; AliLoader* loader = fRunLoader->GetLoader("TRDLoader"); loader->MakeTree("R"); fClusterTree = loader->TreeR(); - fClusterTree->Branch("TRDcluster","TObjArray",&ioArray,32000,0); + fClusterTree->Branch("TRDcluster", "TObjArray", &ioArray, 32000, 0); return kTRUE; } //_____________________________________________________________________________ -Bool_t AliTRDclusterizer::OpenOutput(TTree *clusterTree) +Bool_t AliTRDclusterizer::OpenOutput(TTree *const clusterTree) { // // Connect the output tree // - TObjArray *ioArray = 0; - - fClusterTree = clusterTree; - fClusterTree->Branch("TRDcluster","TObjArray",&ioArray,32000,0); - + // clusters writing + if (fReconstructor->IsWritingClusters()){ + TObjArray *ioArray = 0x0; + fClusterTree = clusterTree; + fClusterTree->Branch("TRDcluster", "TObjArray", &ioArray, 32000, 0); + } return kTRUE; - } //_____________________________________________________________________________ @@ -205,97 +395,933 @@ Bool_t AliTRDclusterizer::WriteClusters(Int_t det) AliError(Form("Unexpected detector index %d.\n",det)); return kFALSE; } - + + TObjArray *ioArray = new TObjArray(400); TBranch *branch = fClusterTree->GetBranch("TRDcluster"); if (!branch) { - TObjArray *ioArray = 0; - branch = fClusterTree->Branch("TRDcluster","TObjArray",&ioArray,32000,0); + fClusterTree->Branch("TRDcluster","TObjArray",&ioArray,32000,0); + } else branch->SetAddress(&ioArray); + + Int_t nRecPoints = RecPoints()->GetEntriesFast(); + if(det >= 0){ + for (Int_t i = 0; i < nRecPoints; i++) { + AliTRDcluster *c = (AliTRDcluster *) RecPoints()->UncheckedAt(i); + if(det != c->GetDetector()) continue; + ioArray->AddLast(c); + } + fClusterTree->Fill(); + ioArray->Clear(); + } else { + Int_t detOld = -1, nw(0); + for (Int_t i = 0; i < nRecPoints; i++) { + AliTRDcluster *c = (AliTRDcluster *) RecPoints()->UncheckedAt(i); + if(c->GetDetector() != detOld){ + nw += ioArray->GetEntriesFast(); + fClusterTree->Fill(); + ioArray->Clear(); + detOld = c->GetDetector(); + } + ioArray->AddLast(c); + } + if(ioArray->GetEntriesFast()){ + nw += ioArray->GetEntriesFast(); + fClusterTree->Fill(); + ioArray->Clear(); + } + AliDebug(2, Form("Clusters FOUND[%d] WRITTEN[%d] STATUS[%s]", nRecPoints, nw, nw==nRecPoints?"OK":"FAILED")); } + delete ioArray; - if ((det >= 0) && - (det < AliTRDgeometry::Ndet())) { + return kTRUE; +} - Int_t nRecPoints = RecPoints()->GetEntriesFast(); - TObjArray *detRecPoints = new TObjArray(400); +//_____________________________________________________________________________ +Bool_t AliTRDclusterizer::WriteTracklets(Int_t det) +{ + // + // Write the raw data tracklets into seperate file + // - for (Int_t i = 0; i < nRecPoints; i++) { - AliTRDcluster *c = (AliTRDcluster *) RecPoints()->UncheckedAt(i); - if (det == c->GetDetector()) { - detRecPoints->AddLast(c); - } - else { - AliError(Form("Attempt to write a cluster with unexpected detector index: got=%d expected=%d\n", c->GetDetector(), det)); + UInt_t **leaves = new UInt_t *[2]; + for (Int_t i=0; i<2 ;i++){ + leaves[i] = new UInt_t[258]; + leaves[i][0] = det; // det + leaves[i][1] = i; // side + memcpy(leaves[i]+2, fTrackletContainer[i], sizeof(UInt_t) * 256); + } + + if (!fTrackletTree){ + AliDataLoader *dl = fRunLoader->GetLoader("TRDLoader")->GetDataLoader("tracklets"); + dl->MakeTree(); + fTrackletTree = dl->Tree(); + } + + TBranch *trkbranch = fTrackletTree->GetBranch("trkbranch"); + if (!trkbranch) { + trkbranch = fTrackletTree->Branch("trkbranch",leaves[0],"det/i:side/i:tracklets[256]/i"); + } + + for (Int_t i=0; i<2; i++){ + if (leaves[i][2]>0) { + trkbranch->SetAddress(leaves[i]); + fTrackletTree->Fill(); + } + } + +// AliDataLoader *dl = fRunLoader->GetLoader("TRDLoader")->GetDataLoader("tracklets"); //jkl: wrong here +// dl->WriteData("OVERWRITE"); //jkl: wrong here + //dl->Unload(); + delete [] leaves; + + return kTRUE; + +} + +//_____________________________________________________________________________ +Bool_t AliTRDclusterizer::ReadDigits() +{ + // + // Reads the digits arrays from the input aliroot file + // + + if (!fRunLoader) { + AliError("No run loader available"); + return kFALSE; + } + + AliLoader* loader = fRunLoader->GetLoader("TRDLoader"); + if (!loader->TreeD()) { + loader->LoadDigits(); + } + + // Read in the digit arrays + return (fDigitsManager->ReadDigits(loader->TreeD())); + +} + +//_____________________________________________________________________________ +Bool_t AliTRDclusterizer::ReadDigits(TTree *digitsTree) +{ + // + // Reads the digits arrays from the input tree + // + + // Read in the digit arrays + return (fDigitsManager->ReadDigits(digitsTree)); + +} + +//_____________________________________________________________________________ +Bool_t AliTRDclusterizer::ReadDigits(AliRawReader *rawReader) +{ + // + // Reads the digits arrays from the ddl file + // + + AliTRDrawData raw; + fDigitsManager = raw.Raw2Digits(rawReader); + + return kTRUE; + +} + +//_____________________________________________________________________________ +Bool_t AliTRDclusterizer::MakeClusters() +{ + // + // Creates clusters from digits + // + + // Propagate info from the digits manager + if (TestBit(kLabels)){ + SetBit(kLabels, fDigitsManager->UsesDictionaries()); + } + + Bool_t fReturn = kTRUE; + for (Int_t i = 0; i < AliTRDgeometry::kNdet; i++){ + + AliTRDarrayADC *digitsIn = (AliTRDarrayADC*) fDigitsManager->GetDigits(i); //mod + // This is to take care of switched off super modules + if (!digitsIn->HasData()) continue; + digitsIn->Expand(); + digitsIn->DeleteNegatives(); // Restore digits array to >=0 values + AliTRDSignalIndex* indexes = fDigitsManager->GetIndexes(i); + if (indexes->IsAllocated() == kFALSE){ + fDigitsManager->BuildIndexes(i); + } + + Bool_t fR = kFALSE; + if (indexes->HasEntry()){ + if (TestBit(kLabels)){ + for (Int_t iDict = 0; iDict < AliTRDdigitsManager::kNDict; iDict++){ + AliTRDarrayDictionary *tracksIn = 0; //mod + tracksIn = (AliTRDarrayDictionary *) fDigitsManager->GetDictionary(i,iDict); //mod + tracksIn->Expand(); + } } + fR = MakeClusters(i); + fReturn = fR && fReturn; } + + //if (fR == kFALSE){ + // if(IsWritingClusters()) WriteClusters(i); + // ResetRecPoints(); + //} + + // Clear arrays of this chamber, to prepare for next event + fDigitsManager->ClearArrays(i); + } + + if(fReconstructor->IsWritingClusters()) WriteClusters(-1); - branch->SetAddress(&detRecPoints); - fClusterTree->Fill(); + AliInfo(Form("Number of found clusters : %d", RecPoints()->GetEntriesFast())); - delete detRecPoints; + return fReturn; - //AliInfo(Form("Writing %d clusters to tree", nRecPoints)); - - return kTRUE; +} + +//_____________________________________________________________________________ +Bool_t AliTRDclusterizer::Raw2Clusters(AliRawReader *rawReader) +{ + // + // Creates clusters from raw data + // + + return Raw2ClustersChamber(rawReader); + +} + +//_____________________________________________________________________________ +Bool_t AliTRDclusterizer::Raw2ClustersChamber(AliRawReader *rawReader) +{ + // + // Creates clusters from raw data + // + // Create the digits manager + if (!fDigitsManager){ + SetBit(knewDM, kTRUE); + fDigitsManager = new AliTRDdigitsManager(kTRUE); + fDigitsManager->CreateArrays(); } - if (det == -1) { + fDigitsManager->SetUseDictionaries(TestBit(kLabels)); - AliInfo(Form("Writing the cluster tree %s for event %d." - ,fClusterTree->GetName(),fRunLoader->GetEventNumber())); + // ----- preparing tracklet output ----- + if (fReconstructor->IsWritingTracklets()) { + AliDataLoader *trklLoader = AliRunLoader::Instance()->GetLoader("TRDLoader")->GetDataLoader("tracklets"); + if (!trklLoader) { + //AliInfo("Could not get the tracklets data loader, adding it now!"); + trklLoader = new AliDataLoader("TRD.Tracklets.root","tracklets", "tracklets"); + AliRunLoader::Instance()->GetLoader("TRDLoader")->AddDataLoader(trklLoader); + } + AliTreeLoader *trklTreeLoader = dynamic_cast (trklLoader->GetBaseLoader("tracklets-raw")); + if (!trklTreeLoader) { + trklTreeLoader = new AliTreeLoader("tracklets-raw", trklLoader); + trklLoader->AddBaseLoader(trklTreeLoader); + } + if (!trklTreeLoader->Tree()) + trklTreeLoader->MakeTree(); + } - if (fRecPoints) { + // tracklet container for raw tracklet writing + if (!fTrackletContainer && ( fReconstructor->IsWritingTracklets() || fReconstructor->IsProcessingTracklets() )) { + // maximum tracklets for one HC + const Int_t kTrackletChmb=256; + fTrackletContainer = new UInt_t *[2]; + fTrackletContainer[0] = new UInt_t[kTrackletChmb]; + fTrackletContainer[1] = new UInt_t[kTrackletChmb]; + memset(fTrackletContainer[0], 0, kTrackletChmb*sizeof(UInt_t)); //jkl + memset(fTrackletContainer[1], 0, kTrackletChmb*sizeof(UInt_t)); //jkl + } + + if(!fRawStream) + fRawStream = new AliTRDrawStream(rawReader); + else + fRawStream->SetReader(rawReader); - branch->SetAddress(&fRecPoints); + if(fReconstructor->IsHLT()){ + ((AliTRDrawStream*)fRawStream)->DisableErrorStorage(); + } - AliLoader *loader = fRunLoader->GetLoader("TRDLoader"); - loader->WriteRecPoints("OVERWRITE"); + AliDebug(1,Form("Stream version: %s", fRawStream->IsA()->GetName())); + + UInt_t det = 0; + while ((det = fRawStream->NextChamber(fDigitsManager,fTrackletContainer)) < AliTRDgeometry::kNdet){ + if (fDigitsManager->GetIndexes(det)->HasEntry()){ + MakeClusters(det); + fDigitsManager->ClearArrays(det); + } + + if (!fReconstructor->IsWritingTracklets()) continue; + if (*(fTrackletContainer[0]) > 0 || *(fTrackletContainer[1]) > 0) WriteTracklets(det); + } + if (fReconstructor->IsWritingTracklets()) { + if (AliDataLoader *trklLoader = AliRunLoader::Instance()->GetLoader("TRDLoader")->GetDataLoader("tracklets")) { + if (trklLoader) { + if (AliTreeLoader *trklTreeLoader = (AliTreeLoader*) trklLoader->GetBaseLoader("tracklets-raw")) + trklTreeLoader->WriteData("OVERWRITE"); + trklLoader->UnloadAll(); + } } - else { + } + + if (fTrackletContainer){ + delete [] fTrackletContainer[0]; + delete [] fTrackletContainer[1]; + delete [] fTrackletContainer; + fTrackletContainer = NULL; + } + + if(fReconstructor->IsWritingClusters()) WriteClusters(-1); + + if(!TestBit(knewDM)){ + delete fDigitsManager; + fDigitsManager = NULL; + delete fRawStream; + fRawStream = NULL; + } + + AliInfo(Form("Number of found clusters : %d", fNoOfClusters)); + return kTRUE; + +} + +//_____________________________________________________________________________ +UChar_t AliTRDclusterizer::GetStatus(Short_t &signal) +{ + // + // Check if a pad is masked + // + + UChar_t status = 0; + + if(signal>0 && TESTBIT(signal, 10)){ + CLRBIT(signal, 10); + for(int ibit=0; ibit<4; ibit++){ + if(TESTBIT(signal, 11+ibit)){ + SETBIT(status, ibit); + CLRBIT(signal, 11+ibit); + } + } + } + return status; +} + +//_____________________________________________________________________________ +void AliTRDclusterizer::SetPadStatus(const UChar_t status, UChar_t &out) const { + // + // Set the pad status into out + // First three bits are needed for the position encoding + // + out |= status << 3; +} + +//_____________________________________________________________________________ +UChar_t AliTRDclusterizer::GetPadStatus(UChar_t encoding) const { + // + // return the staus encoding of the corrupted pad + // + return static_cast(encoding >> 3); +} + +//_____________________________________________________________________________ +Int_t AliTRDclusterizer::GetCorruption(UChar_t encoding) const { + // + // Return the position of the corruption + // + return encoding & 7; +} + +//_____________________________________________________________________________ +Bool_t AliTRDclusterizer::MakeClusters(Int_t det) +{ + // + // Generates the cluster. + // + + // Get the digits + fDigits = (AliTRDarrayADC *) fDigitsManager->GetDigits(det); //mod + fBaseline = fDigitsManager->GetDigitsParam()->GetADCbaseline(det); + + // This is to take care of switched off super modules + if (!fDigits->HasData()) return kFALSE; - AliError("Cluster tree does not exist. Cannot write clusters.\n"); + fIndexes = fDigitsManager->GetIndexes(det); + if (fIndexes->IsAllocated() == kFALSE) { + AliError("Indexes do not exist!"); + return kFALSE; + } + + AliTRDcalibDB* const calibration = AliTRDcalibDB::Instance(); + if (!calibration) { + AliFatal("No AliTRDcalibDB instance available\n"); + return kFALSE; + } + + if (!fReconstructor){ + AliError("Reconstructor not set\n"); + return kFALSE; + } + + const AliTRDrecoParam *const recoParam = fReconstructor->GetRecoParam(); + + fMaxThresh = (Short_t)recoParam->GetClusMaxThresh(); + fMaxThreshTest = (Short_t)(recoParam->GetClusMaxThresh()/2+fBaseline); + fSigThresh = (Short_t)recoParam->GetClusSigThresh(); + fMinMaxCutSigma = recoParam->GetMinMaxCutSigma(); + fMinLeftRightCutSigma = recoParam->GetMinLeftRightCutSigma(); + const Int_t iEveryNTB = recoParam->GetRecEveryNTB(); + + Int_t istack = fIndexes->GetStack(); + fLayer = fIndexes->GetLayer(); + Int_t isector = fIndexes->GetSM(); + + // Start clustering in the chamber + + fDet = AliTRDgeometry::GetDetector(fLayer,istack,isector); + if (fDet != det) { + AliError("Strange Detector number Missmatch!"); + return kFALSE; + } + + AliDebug(2, Form("Det[%d] @ Sec[%d] Stk[%d] Ly[%d]", fDet, isector, istack, fLayer)); + + // TRD space point transformation + fTransform->SetDetector(det); + + Int_t iGeoLayer = AliGeomManager::kTRD1 + fLayer; + Int_t iGeoModule = istack + AliTRDgeometry::Nstack() * isector; + fVolid = AliGeomManager::LayerToVolUID(iGeoLayer,iGeoModule); + + if(fReconstructor->IsProcessingTracklets() && fTrackletContainer) + AddTrackletsToArray(); + + fColMax = fDigits->GetNcol(); + fTimeTotal = fDigitsManager->GetDigitsParam()->GetNTimeBins(det); + + // Check consistency between OCDB and raw data + Int_t nTimeOCDB = calibration->GetNumberOfTimeBinsDCS(); + if(fReconstructor->IsHLT()){ + if((nTimeOCDB > -1) && (fTimeTotal != nTimeOCDB)){ + AliWarning(Form("Number of timebins does not match OCDB value (RAW[%d] OCDB[%d]), using raw value" + ,fTimeTotal,nTimeOCDB)); + } + }else{ + if(nTimeOCDB == -1){ + AliWarning("Undefined number of timebins in OCDB, using value from raw data."); + if(!fTimeTotal>0){ + AliError("Number of timebins in raw data is negative, skipping chamber!"); + return kFALSE; + } + }else if(nTimeOCDB == -2){ + AliError("Mixed number of timebins in OCDB, no reconstruction of TRD data!"); + return kFALSE; + }else if(fTimeTotal != nTimeOCDB){ + AliError(Form("Number of timebins in raw data does not match OCDB value (RAW[%d] OCDB[%d]), skipping chamber!" + ,fTimeTotal,nTimeOCDB)); return kFALSE; + } + } + + // Detector wise calibration object for the gain factors + const AliTRDCalDet *calGainFactorDet = calibration->GetGainFactorDet(); + // Calibration object with pad wise values for the gain factors + fCalGainFactorROC = calibration->GetGainFactorROC(fDet); + // Calibration value for chamber wise gain factor + fCalGainFactorDetValue = calGainFactorDet->GetValue(fDet); + + // Detector wise calibration object for the noise + const AliTRDCalDet *calNoiseDet = calibration->GetNoiseDet(); + // Calibration object with pad wise values for the noise + fCalNoiseROC = calibration->GetNoiseROC(fDet); + // Calibration value for chamber wise noise + fCalNoiseDetValue = calNoiseDet->GetValue(fDet); + + // Calibration object with the pad status + fCalPadStatusROC = calibration->GetPadStatusROC(fDet); + + firstClusterROC = -1; + fClusterROC = 0; + + SetBit(kLUT, recoParam->UseLUT()); + SetBit(kGAUS, recoParam->UseGAUS()); + // Apply the gain and the tail cancelation via digital filter + // Use the configuration from the DCS to find out whether online + // tail cancellation was applied + if(!calibration->HasOnlineTailCancellation()) TailCancelation(recoParam); + + MaxStruct curr, last; + Int_t nMaximas = 0, nCorrupted = 0; + + // Here the clusterfining is happening + + for(curr.time = 0; curr.time < fTimeTotal; curr.time+=iEveryNTB){ + while(fIndexes->NextRCIndex(curr.row, curr.col)){ + if(fDigits->GetData(curr.row, curr.col, curr.time) > fMaxThreshTest && IsMaximum(curr, curr.padStatus, &curr.signals[0])){ + if(last.row>-1){ + if(curr.col==last.col+2 && curr.row==last.row && curr.time==last.time) FivePadCluster(last, curr); + CreateCluster(last); + } + last=curr; curr.fivePad=kFALSE; + } } + } + if(last.row>-1) CreateCluster(last); + + if(recoParam->GetStreamLevel(AliTRDrecoParam::kClusterizer) > 2 && fReconstructor->IsDebugStreaming()){ + TTreeSRedirector* fDebugStream = fReconstructor->GetDebugStream(AliTRDrecoParam::kClusterizer); + (*fDebugStream) << "MakeClusters" + << "Detector=" << det + << "NMaxima=" << nMaximas + << "NClusters=" << fClusterROC + << "NCorrupted=" << nCorrupted + << "\n"; + } + if (TestBit(kLabels)) AddLabels(); - return kTRUE; + return kTRUE; + +} +//_____________________________________________________________________________ +Bool_t AliTRDclusterizer::IsMaximum(const MaxStruct &Max, UChar_t &padStatus, Short_t *const Signals) +{ + // + // Returns true if this row,col,time combination is a maximum. + // Gives back the padStatus and the signals of the center pad and the two neighbouring pads. + // + + Float_t gain = fCalGainFactorDetValue * fCalGainFactorROC->GetValue(Max.col,Max.row); + Signals[1] = (Short_t)((fDigits->GetData(Max.row, Max.col, Max.time) - fBaseline) / gain + 0.5f); + if(Signals[1] <= fMaxThresh) return kFALSE; + + if(Max.col < 1 || Max.col + 1 >= fColMax) return kFALSE; + + Short_t noiseMiddleThresh = (Short_t)(fMinMaxCutSigma*fCalNoiseDetValue*fCalNoiseROC->GetValue(Max.col, Max.row)); + if (Signals[1] <= noiseMiddleThresh) return kFALSE; + + UChar_t status[3]={ + fCalPadStatusROC->GetStatus(Max.col-1, Max.row) + ,fCalPadStatusROC->GetStatus(Max.col, Max.row) + ,fCalPadStatusROC->GetStatus(Max.col+1, Max.row) + }; + + Short_t signal(0); + if((signal = fDigits->GetData(Max.row, Max.col-1, Max.time))){ + gain = fCalGainFactorDetValue * fCalGainFactorROC->GetValue(Max.col-1,Max.row); + Signals[0] = (Short_t)((signal - fBaseline) / gain + 0.5f); + } else Signals[0] = 0; + if((signal = fDigits->GetData(Max.row, Max.col+1, Max.time))){ + gain = fCalGainFactorDetValue * fCalGainFactorROC->GetValue(Max.col+1,Max.row); + Signals[2] = (Short_t)((signal - fBaseline) / gain + 0.5f); + } else Signals[2] = 0; + + if(!(status[0] | status[1] | status[2])) {//all pads are good + if ((Signals[2] <= Signals[1]) && (Signals[0] < Signals[1])) { + if ((Signals[2] > fSigThresh) || (Signals[0] > fSigThresh)) { + if(Signals[0]<0)Signals[0]=0; + if(Signals[2]<0)Signals[2]=0; + Short_t noiseSumThresh = (Short_t)(fMinLeftRightCutSigma * fCalNoiseDetValue + * fCalNoiseROC->GetValue(Max.col, Max.row)); + if ((Signals[2]+Signals[0]+Signals[1]) <= noiseSumThresh) return kFALSE; + padStatus = 0; + return kTRUE; + } + } + } else { // at least one of the pads is bad, and reject candidates with more than 1 problematic pad + if(Signals[0]<0)Signals[0]=0; + if(Signals[2]<0)Signals[2]=0; + if (status[2] && (!(status[0] || status[1])) && Signals[1] > Signals[0] && Signals[0] > fSigThresh) { + Signals[2]=0; + SetPadStatus(status[2], padStatus); + return kTRUE; + } + else if (status[0] && (!(status[1] || status[2])) && Signals[1] >= Signals[2] && Signals[2] > fSigThresh) { + Signals[0]=0; + SetPadStatus(status[0], padStatus); + return kTRUE; + } + else if (status[1] && (!(status[0] || status[2])) && ((Signals[2] > fSigThresh) || (Signals[0] > fSigThresh))) { + Signals[1] = fMaxThresh; + SetPadStatus(status[1], padStatus); + return kTRUE; + } } + return kFALSE; +} - AliError(Form("Unexpected detector index %d.\n",det)); - - return kFALSE; +//_____________________________________________________________________________ +Bool_t AliTRDclusterizer::FivePadCluster(MaxStruct &ThisMax, MaxStruct &NeighbourMax) +{ + // + // Look for 5 pad cluster with minimum in the middle + // Gives back the ratio + // + + if (ThisMax.col >= fColMax - 3) return kFALSE; + Float_t gain; + if (ThisMax.col < fColMax - 5){ + gain = fCalGainFactorDetValue * fCalGainFactorROC->GetValue(ThisMax.col+4,ThisMax.row); + if (fDigits->GetData(ThisMax.row, ThisMax.col+4, ThisMax.time) - fBaseline >= fSigThresh * gain) + return kFALSE; + } + if (ThisMax.col > 1) { + gain = fCalGainFactorDetValue * fCalGainFactorROC->GetValue(ThisMax.col-2,ThisMax.row); + if (fDigits->GetData(ThisMax.row, ThisMax.col-2, ThisMax.time) - fBaseline >= fSigThresh * gain) + return kFALSE; + } + + const Float_t kEpsilon = 0.01; + Double_t padSignal[5] = {ThisMax.signals[0], ThisMax.signals[1], ThisMax.signals[2], + NeighbourMax.signals[1], NeighbourMax.signals[2]}; + // Unfold the two maxima and set the signal on + // the overlapping pad to the ratio + Float_t ratio = Unfold(kEpsilon,fLayer,padSignal); + ThisMax.signals[2] = (Short_t)(ThisMax.signals[2]*ratio + 0.5f); + NeighbourMax.signals[0] = (Short_t)(NeighbourMax.signals[0]*(1-ratio) + 0.5f); + ThisMax.fivePad=kTRUE; + NeighbourMax.fivePad=kTRUE; + return kTRUE; + } //_____________________________________________________________________________ -Double_t AliTRDclusterizer::CalcXposFromTimebin(Float_t timebin, Int_t idet - , Int_t col, Int_t row) +void AliTRDclusterizer::CreateCluster(const MaxStruct &Max) { // - // Calculates the local x position in the detector from the timebin, - // depends on the drift velocity and t0 + // Creates a cluster at the given position and saves it in fRecPoints // + + Int_t nPadCount = 1; + Short_t signals[7] = { 0, 0, Max.signals[0], Max.signals[1], Max.signals[2], 0, 0 }; + if(!fReconstructor->IsHLT()) CalcAdditionalInfo(Max, signals, nPadCount); + + AliTRDcluster cluster(fDet, ((UChar_t) Max.col), ((UChar_t) Max.row), ((UChar_t) Max.time), signals, fVolid); + cluster.SetNPads(nPadCount); + if(TestBit(kLUT)) cluster.SetRPhiMethod(AliTRDcluster::kLUT); + else if(TestBit(kGAUS)) cluster.SetRPhiMethod(AliTRDcluster::kGAUS); + else cluster.SetRPhiMethod(AliTRDcluster::kCOG); + + cluster.SetFivePad(Max.fivePad); + // set pads status for the cluster + UChar_t maskPosition = GetCorruption(Max.padStatus); + if (maskPosition) { + cluster.SetPadMaskedPosition(maskPosition); + cluster.SetPadMaskedStatus(GetPadStatus(Max.padStatus)); + } + cluster.SetXcorr(fReconstructor->UseClusterRadialCorrection()); + + // Transform the local cluster coordinates into calibrated + // space point positions defined in the local tracking system. + // Here the calibration for T0, Vdrift and ExB is applied as well. + if(!TestBit(kSkipTrafo)) if(!fTransform->Transform(&cluster)) return; + + // Temporarily store the Max.Row, column and time bin of the center pad + // Used to later on assign the track indices + cluster.SetLabel(Max.row, 0); + cluster.SetLabel(Max.col, 1); + cluster.SetLabel(Max.time,2); + + //needed for HLT reconstruction + AddClusterToArray(&cluster); + + // Store the index of the first cluster in the current ROC + if (firstClusterROC < 0) firstClusterROC = fNoOfClusters; - AliTRDcalibDB *calibration = AliTRDcalibDB::Instance(); + fNoOfClusters++; + fClusterROC++; +} + +//_____________________________________________________________________________ +void AliTRDclusterizer::CalcAdditionalInfo(const MaxStruct &Max, Short_t *const signals, Int_t &nPadCount) +{ +// Calculate number of pads/cluster and +// ADC signals at position 0, 1, 5 and 6 + + Float_t gain(1.); Short_t signal(0.); + // Store the amplitudes of the pads in the cluster for later analysis + // and check whether one of these pads is masked in the database + signals[3]=Max.signals[1]; + Int_t ipad(1), jpad(0); + // Look to the right + while((jpad = Max.col-ipad)){ + if(!(signal = fDigits->GetData(Max.row, jpad, Max.time))) break; // empty digit ! + gain = fCalGainFactorDetValue * fCalGainFactorROC->GetValue(jpad, Max.row); + signal = (Short_t)((signal - fBaseline) / gain + 0.5f); + if(signalGetData(Max.row, jpad, Max.time))) break; // empty digit ! + gain = fCalGainFactorDetValue * fCalGainFactorROC->GetValue(jpad, Max.row); + signal = (Short_t)((signal - fBaseline) / gain + 0.5f); + if(signalGetEntriesFast(); + if(n!=fNoOfClusters)AliError(Form("fNoOfClusters != RecPoints()->GetEntriesFast %i != %i \n", fNoOfClusters, n)); + new((*RecPoints())[n]) AliTRDcluster(*cluster); +} + +//_____________________________________________________________________________ +void AliTRDclusterizer::AddTrackletsToArray() +{ + // + // Add the online tracklets of this chamber to the array + // + + UInt_t* trackletword; + for(Int_t side=0; side<2; side++) + { + Int_t trkl=0; + trackletword=fTrackletContainer[side]; + while(trackletword[trkl]>0){ + Int_t n = TrackletsArray()->GetEntriesFast(); + AliTRDtrackletWord tmp(trackletword[trkl]); + new((*TrackletsArray())[n]) AliTRDcluster(&tmp,fDet,fVolid); + trkl++; + } + } +} + +//_____________________________________________________________________________ +Bool_t AliTRDclusterizer::AddLabels() +{ + // + // Add the track indices to the found clusters + // + + const Int_t kNclus = 3; + const Int_t kNdict = AliTRDdigitsManager::kNDict; + const Int_t kNtrack = kNdict * kNclus; + + Int_t iClusterROC = 0; + + Int_t row = 0; + Int_t col = 0; + Int_t time = 0; + Int_t iPad = 0; + + // Temporary array to collect the track indices + Int_t *idxTracks = new Int_t[kNtrack*fClusterROC]; + + // Loop through the dictionary arrays one-by-one + // to keep memory consumption low + AliTRDarrayDictionary *tracksIn = 0; //mod + for (Int_t iDict = 0; iDict < kNdict; iDict++) { + + // tracksIn should be expanded beforehand! + tracksIn = (AliTRDarrayDictionary *) fDigitsManager->GetDictionary(fDet,iDict); + + // Loop though the clusters found in this ROC + for (iClusterROC = 0; iClusterROC < fClusterROC; iClusterROC++) { + + AliTRDcluster *cluster = (AliTRDcluster *) + RecPoints()->UncheckedAt(firstClusterROC+iClusterROC); + row = cluster->GetLabel(0); + col = cluster->GetLabel(1); + time = cluster->GetLabel(2); + + for (iPad = 0; iPad < kNclus; iPad++) { + Int_t iPadCol = col - 1 + iPad; + Int_t index = tracksIn->GetData(row,iPadCol,time); //Modification of -1 in Track + idxTracks[3*iPad+iDict + iClusterROC*kNtrack] = index; + } + + } + + } + + // Copy the track indices into the cluster + // Loop though the clusters found in this ROC + for (iClusterROC = 0; iClusterROC < fClusterROC; iClusterROC++) { + + AliTRDcluster *cluster = (AliTRDcluster *) + RecPoints()->UncheckedAt(firstClusterROC+iClusterROC); + cluster->SetLabel(-9999,0); + cluster->SetLabel(-9999,1); + cluster->SetLabel(-9999,2); + + cluster->AddTrackIndex(&idxTracks[iClusterROC*kNtrack]); + + } + + delete [] idxTracks; + + return kTRUE; + +} + +//_____________________________________________________________________________ +Float_t AliTRDclusterizer::Unfold(Double_t eps, Int_t layer, const Double_t *const padSignal) const +{ + // + // Method to unfold neighbouring maxima. + // The charge ratio on the overlapping pad is calculated + // until there is no more change within the range given by eps. + // The resulting ratio is then returned to the calling method. + // + + AliTRDcalibDB *calibration = AliTRDcalibDB::Instance(); if (!calibration) { - AliError("Cannot find calibration object"); - return -1; + AliError("No AliTRDcalibDB instance available\n"); + return kFALSE; } - AliTRDCommonParam *parCom = AliTRDCommonParam::Instance(); - if (!parCom) { - AliError("Could not get common parameters\n"); - return kFALSE; + + Int_t irc = 0; + Int_t itStep = 0; // Count iteration steps + + Double_t ratio = 0.5; // Start value for ratio + Double_t prevRatio = 0.0; // Store previous ratio + + Double_t newLeftSignal[3] = { 0.0, 0.0, 0.0 }; // Array to store left cluster signal + Double_t newRightSignal[3] = { 0.0, 0.0, 0.0 }; // Array to store right cluster signal + Double_t newSignal[3] = { 0.0, 0.0, 0.0 }; + + // Start the iteration + while ((TMath::Abs(prevRatio - ratio) > eps) && (itStep < 10)) { + + itStep++; + prevRatio = ratio; + + // Cluster position according to charge ratio + Double_t maxLeft = (ratio*padSignal[2] - padSignal[0]) + / (padSignal[0] + padSignal[1] + ratio * padSignal[2]); + Double_t maxRight = (padSignal[4] - (1-ratio)*padSignal[2]) + / ((1.0 - ratio)*padSignal[2] + padSignal[3] + padSignal[4]); + + // Set cluster charge ratio + irc = calibration->PadResponse(1.0, maxLeft, layer, newSignal); + Double_t ampLeft = padSignal[1] / newSignal[1]; + irc = calibration->PadResponse(1.0, maxRight, layer, newSignal); + Double_t ampRight = padSignal[3] / newSignal[1]; + + // Apply pad response to parameters + irc = calibration->PadResponse(ampLeft ,maxLeft ,layer,newLeftSignal ); + irc = calibration->PadResponse(ampRight,maxRight,layer,newRightSignal); + + // Calculate new overlapping ratio + ratio = TMath::Min((Double_t) 1.0 + ,newLeftSignal[2] / (newLeftSignal[2] + newRightSignal[0])); + } - Float_t vdrift = calibration->GetVdrift(idet,col,row); - Float_t t0 = calibration->GetT0(idet,col,row); - Float_t samplingFrequency = parCom->GetSamplingFrequency(); + return ratio; - timebin -= t0; +} + +//_____________________________________________________________________________ +void AliTRDclusterizer::TailCancelation(const AliTRDrecoParam* const recoParam) +{ + // + // Applies the tail cancelation + // - return timebin / samplingFrequency * vdrift; + Int_t iRow = 0; + Int_t iCol = 0; + Int_t iTime = 0; + + TTreeSRedirector *fDebugStream = fReconstructor->GetDebugStream(AliTRDrecoParam::kClusterizer); + Bool_t debugStreaming = recoParam->GetStreamLevel(AliTRDrecoParam::kClusterizer) > 7 && fReconstructor->IsDebugStreaming(); + Int_t nexp = recoParam->GetTCnexp(); + while(fIndexes->NextRCIndex(iRow, iCol)) + { + // if corrupted then don't make the tail cancallation + if (fCalPadStatusROC->GetStatus(iCol, iRow)) continue; + + if(debugStreaming){ + for (iTime = 0; iTime < fTimeTotal; iTime++) + (*fDebugStream) << "TailCancellation" + << "col=" << iCol + << "row=" << iRow + << "\n"; + } + + // Apply the tail cancelation via the digital filter + DeConvExp(fDigits->GetDataAddress(iRow,iCol),fTimeTotal,nexp); + + } // while irow icol + + return; + +} + +//_____________________________________________________________________________ +void AliTRDclusterizer::DeConvExp(Short_t *const arr, const Int_t nTime, const Int_t nexp) +{ + // + // Tail cancellation by deconvolution for PASA v4 TRF + // + + Float_t rates[2]; + Float_t coefficients[2]; + + // Initialization (coefficient = alpha, rates = lambda) + Float_t r1 = 1.0; + Float_t r2 = 1.0; + Float_t c1 = 0.5; + Float_t c2 = 0.5; + + if (nexp == 1) { // 1 Exponentials + r1 = 1.156; + r2 = 0.130; + c1 = 0.066; + c2 = 0.000; + } + if (nexp == 2) { // 2 Exponentials + Double_t par[4]; + fReconstructor->GetRecoParam()->GetTCParams(par); + r1 = par[0];//1.156; + r2 = par[1];//0.130; + c1 = par[2];//0.114; + c2 = par[3];//0.624; + } + + coefficients[0] = c1; + coefficients[1] = c2; + + Double_t dt = 0.1; + + rates[0] = TMath::Exp(-dt/(r1)); + rates[1] = (nexp == 1) ? .0 : TMath::Exp(-dt/(r2)); + + Float_t reminder[2] = { .0, .0 }; + Float_t correction = 0.0; + Float_t result = 0.0; + + for (int i = 0; i < nTime; i++) { + + result = arr[i] - correction - fBaseline; // No rescaling + arr[i] = (Short_t)(result + fBaseline + 0.5f); + + correction = 0.0; + for (int k = 0; k < 2; k++) { + correction += reminder[k] = rates[k] * (reminder[k] + coefficients[k] * result); + } + + } } @@ -307,22 +1333,46 @@ void AliTRDclusterizer::ResetRecPoints() // if (fRecPoints) { - fRecPoints->Delete(); + fRecPoints->Clear(); + fNoOfClusters = 0; + // delete fRecPoints; } - } //_____________________________________________________________________________ -TObjArray *AliTRDclusterizer::RecPoints() +TClonesArray *AliTRDclusterizer::RecPoints() { // // Returns the list of rec points // if (!fRecPoints) { - fRecPoints = new TObjArray(400); + if(!(fRecPoints = AliTRDReconstructor::GetClusters())){ + // determine number of clusters which has to be allocated + Float_t nclusters = fReconstructor->GetRecoParam()->GetNClusters(); + + fRecPoints = new TClonesArray("AliTRDcluster", Int_t(nclusters)); + } + //SetClustersOwner(kTRUE); + AliTRDReconstructor::SetClusters(0x0); } - return fRecPoints; } + +//_____________________________________________________________________________ +TClonesArray *AliTRDclusterizer::TrackletsArray() +{ + // + // Returns the list of rec points + // + + if (!fTracklets && fReconstructor->IsProcessingTracklets()) { + fTracklets = new TClonesArray("AliTRDcluster", 2*MAXTRACKLETSPERHC); + //SetClustersOwner(kTRUE); + //AliTRDReconstructor::SetTracklets(0x0); + } + return fTracklets; + +} +