/************************************************************************** * 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 // // // /////////////////////////////////////////////////////////////////////////////// #include #include #include "AliRunLoader.h" #include "AliLoader.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 "AliTRDtransform.h" #include "AliTRDSignalIndex.h" #include "AliTRDrawStreamBase.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(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) ,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); AliTRDcalibDB *trd = 0x0; if (!(trd = AliTRDcalibDB::Instance())) { AliFatal("Could not get calibration object"); } 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, 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) ,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); AliTRDcalibDB *trd = 0x0; if (!(trd = AliTRDcalibDB::Instance())) { AliFatal("Could not get calibration object"); } 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) ,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(); } //_____________________________________________________________________________ AliTRDclusterizer::~AliTRDclusterizer() { // // AliTRDclusterizer destructor // 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; } } //_____________________________________________________________________________ AliTRDclusterizer &AliTRDclusterizer::operator=(const AliTRDclusterizer &c) { // // Assignment operator // if (this != &c) { ((AliTRDclusterizer &) c).Copy(*this); } return *this; } //_____________________________________________________________________________ void AliTRDclusterizer::Copy(TObject &c) const { // // Copy function // ((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).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; } //_____________________________________________________________________________ Bool_t AliTRDclusterizer::Open(const Char_t *name, Int_t nEvent) { // // Opens the AliROOT file. Output and input are in the same file // TString evfoldname = AliConfig::GetDefaultEventFolderName(); fRunLoader = AliRunLoader::GetRunLoader(evfoldname); if (!fRunLoader) { fRunLoader = AliRunLoader::Open(name); } if (!fRunLoader) { AliError(Form("Can not open session for file %s.",name)); return kFALSE; } OpenInput(nEvent); OpenOutput(); return kTRUE; } //_____________________________________________________________________________ Bool_t AliTRDclusterizer::OpenOutput() { // // Open the output file // 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); return kTRUE; } //_____________________________________________________________________________ Bool_t AliTRDclusterizer::OpenOutput(TTree *const clusterTree) { // // Connect the output tree // // clusters writing if (fReconstructor->IsWritingClusters()){ TObjArray *ioArray = 0x0; fClusterTree = clusterTree; fClusterTree->Branch("TRDcluster", "TObjArray", &ioArray, 32000, 0); } return kTRUE; } //_____________________________________________________________________________ Bool_t AliTRDclusterizer::OpenTrackletOutput() { // // Tracklet writing // if (fReconstructor->IsWritingTracklets()){ TString evfoldname = AliConfig::GetDefaultEventFolderName(); fRunLoader = AliRunLoader::GetRunLoader(evfoldname); if (!fRunLoader) { fRunLoader = AliRunLoader::Open("galice.root"); } if (!fRunLoader) { AliError(Form("Can not open session for file galice.root.")); return kFALSE; } UInt_t **leaves = new UInt_t *[2]; AliDataLoader *dl = fRunLoader->GetLoader("TRDLoader")->GetDataLoader("tracklets"); if (!dl) { AliError("Could not get the tracklets data loader!"); dl = new AliDataLoader("TRD.Tracklets.root","tracklets", "tracklets"); fRunLoader->GetLoader("TRDLoader")->AddDataLoader(dl); } fTrackletTree = dl->Tree(); if (!fTrackletTree) { dl->MakeTree(); fTrackletTree = dl->Tree(); } TBranch *trkbranch = fTrackletTree->GetBranch("trkbranch"); if (!trkbranch) fTrackletTree->Branch("trkbranch",leaves[0],"det/i:side/i:tracklets[256]/i"); } return kTRUE; } //_____________________________________________________________________________ Bool_t AliTRDclusterizer::OpenInput(Int_t nEvent) { // // Opens a ROOT-file with TRD-hits and reads in the digits-tree // // Import the Trees for the event nEvent in the file fRunLoader->GetEvent(nEvent); return kTRUE; } //_____________________________________________________________________________ Bool_t AliTRDclusterizer::WriteClusters(Int_t det) { // // Fills TRDcluster branch in the tree with the clusters // found in detector = det. For det=-1 writes the tree. // if ((det < -1) || (det >= AliTRDgeometry::Ndet())) { AliError(Form("Unexpected detector index %d.\n",det)); return kFALSE; } TObjArray *ioArray = new TObjArray(400); TBranch *branch = fClusterTree->GetBranch("TRDcluster"); if (!branch) { branch = 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; return kTRUE; } //_____________________________________________________________________________ Bool_t AliTRDclusterizer::WriteTracklets(Int_t det) { // // Write the raw data tracklets into seperate file // 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"); dl->WriteData("OVERWRITE"); //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(); //} // No compress just remove fDigitsManager->RemoveDigits(i); fDigitsManager->RemoveDictionaries(i); fDigitsManager->ClearIndexes(i); } if(fReconstructor->IsWritingClusters()) WriteClusters(-1); AliInfo(Form("Number of found clusters : %d", RecPoints()->GetEntriesFast())); return fReturn; } //_____________________________________________________________________________ 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(); } fDigitsManager->SetUseDictionaries(TestBit(kLabels)); // 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]; } if(!fRawStream) fRawStream = AliTRDrawStreamBase::GetRawStream(rawReader); else fRawStream->SetReader(rawReader); if(fReconstructor->IsHLT()) fRawStream->SetSharedPadReadout(kFALSE); AliInfo(Form("Stream version: %s", fRawStream->IsA()->GetName())); Int_t det = 0; while ((det = fRawStream->NextChamber(fDigitsManager,fTrackletContainer)) >= 0){ Bool_t iclusterBranch = kFALSE; if (fDigitsManager->GetIndexes(det)->HasEntry()){ iclusterBranch = MakeClusters(det); } fDigitsManager->ClearArrays(det); if (!fReconstructor->IsWritingTracklets()) continue; if (*(fTrackletContainer[0]) > 0 || *(fTrackletContainer[1]) > 0) WriteTracklets(det); } if (fTrackletContainer){ delete [] fTrackletContainer[0]; delete [] fTrackletContainer[1]; delete [] fTrackletContainer; fTrackletContainer = NULL; } if(fReconstructor->IsWritingClusters()) WriteClusters(-1); if(!TestBit(knewDM)){ delete fDigitsManager; fDigitsManager = 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(); // This is to take care of switched off super modules if (!fDigits->HasData()) return kFALSE; fIndexes = fDigitsManager->GetIndexes(det); if (fIndexes->IsAllocated() == kFALSE) { AliError("Indexes do not exist!"); return kFALSE; } AliTRDcalibDB *calibration = AliTRDcalibDB::Instance(); if (!calibration) { AliFatal("No AliTRDcalibDB instance available\n"); return kFALSE; } if (!fReconstructor){ AliError("Reconstructor not set\n"); return kFALSE; } fMaxThresh = fReconstructor->GetRecoParam()->GetClusMaxThresh(); fSigThresh = fReconstructor->GetRecoParam()->GetClusSigThresh(); fMinMaxCutSigma = fReconstructor->GetRecoParam()->GetMinMaxCutSigma(); fMinLeftRightCutSigma = fReconstructor->GetRecoParam()->GetMinLeftRightCutSigma(); 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(); //Int_t nRowMax = fDigits->GetNrow(); fTimeTotal = fDigits->GetNtime(); // 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); SetBit(kLUT, fReconstructor->GetRecoParam()->UseLUT()); SetBit(kGAUS, fReconstructor->GetRecoParam()->UseGAUS()); SetBit(kHLT, fReconstructor->IsHLT()); firstClusterROC = -1; fClusterROC = 0; // Apply the gain and the tail cancelation via digital filter if(fReconstructor->GetRecoParam()->UseTailCancelation()) TailCancelation(); MaxStruct curr, last; Int_t nMaximas = 0, nCorrupted = 0; // Here the clusterfining is happening for(curr.time = 0; curr.time < fTimeTotal; curr.time++){ while(fIndexes->NextRCIndex(curr.row, curr.col)){ if(IsMaximum(curr, curr.padStatus, &curr.signals[0])){ if(last.row>-1){ if(curr.time==last.time && curr.row==last.row && curr.col==last.col+2) FivePadCluster(last, curr); CreateCluster(last); } last=curr; curr.fivePad=kFALSE; } } } if(last.row>-1) CreateCluster(last); if(fReconstructor->GetRecoParam()->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; } //_____________________________________________________________________________ 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; Float_t noiseMiddleThresh = fMinMaxCutSigma*fCalNoiseDetValue*fCalNoiseROC->GetValue(Max.col, Max.row); if (Signals[1] < noiseMiddleThresh) return kFALSE; if (Max.col + 1 >= fColMax || Max.col < 1) 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) }; gain = fCalGainFactorDetValue * fCalGainFactorROC->GetValue(Max.col-1,Max.row); Signals[0] = (Short_t)((fDigits->GetData(Max.row, Max.col-1, Max.time) - fBaseline) / gain + 0.5f); gain = fCalGainFactorDetValue * fCalGainFactorROC->GetValue(Max.col+1,Max.row); Signals[2] = (Short_t)((fDigits->GetData(Max.row, Max.col+1, Max.time) - fBaseline) / gain + 0.5f); 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; Float_t noiseSumThresh = 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] = (Short_t)(fMaxThresh + 0.5f); SetPadStatus(status[1], padStatus); return kTRUE; } } 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; } //_____________________________________________________________________________ void AliTRDclusterizer::CreateCluster(const MaxStruct &Max) { // // 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(!TestBit(kHLT)) 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)); } // 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(!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; fNoOfClusters++; fClusterROC++; } //_____________________________________________________________________________ void AliTRDclusterizer::CalcAdditionalInfo(const MaxStruct &Max, Short_t *const signals, Int_t &nPadCount) { // Look to the right Int_t ii = 1; while (fDigits->GetData(Max.row, Max.col-ii, Max.time) >= fSigThresh) { nPadCount++; ii++; if (Max.col < ii) break; } // Look to the left ii = 1; while (fDigits->GetData(Max.row, Max.col+ii, Max.time) >= fSigThresh) { nPadCount++; ii++; if (Max.col+ii >= fColMax) break; } // 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[2]=Max.signals[0]; signals[3]=Max.signals[1]; signals[4]=Max.signals[2]; Float_t gain; for(Int_t i = 0; i<2; i++) { if(Max.col+i >= 3){ gain = fCalGainFactorDetValue * fCalGainFactorROC->GetValue(Max.col-3+i,Max.row); signals[i] = (Short_t)((fDigits->GetData(Max.row, Max.col-3+i, Max.time) - fBaseline) / gain + 0.5f); } if(Max.col+3-i < fColMax){ gain = fCalGainFactorDetValue * fCalGainFactorROC->GetValue(Max.col+3-i,Max.row); signals[6-i] = (Short_t)((fDigits->GetData(Max.row, Max.col+3-i, Max.time) - fBaseline) / gain + 0.5f); } } /*for (Int_t jPad = Max.Col-3; jPad <= Max.Col+3; jPad++) { if ((jPad >= 0) && (jPad < fColMax)) signals[jPad-Max.Col+3] = TMath::Nint(fDigits->GetData(Max.Row,jPad,Max.Time)); }*/ } //_____________________________________________________________________________ void AliTRDclusterizer::AddClusterToArray(AliTRDcluster* cluster) { // // Add a cluster to the array // Int_t n = RecPoints()->GetEntriesFast(); 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("No AliTRDcalibDB instance available\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])); } return ratio; } //_____________________________________________________________________________ void AliTRDclusterizer::TailCancelation() { // // Applies the tail cancelation and gain factors: // Transform fDigits to fDigits // Int_t iRow = 0; Int_t iCol = 0; Int_t iTime = 0; Double_t *inADC = new Double_t[fTimeTotal]; // ADC data before tail cancellation Double_t *outADC = new Double_t[fTimeTotal]; // ADC data after tail cancellation TTreeSRedirector *fDebugStream = fReconstructor->GetDebugStream(AliTRDrecoParam::kClusterizer); Bool_t debugStreaming = fReconstructor->GetRecoParam()->GetStreamLevel(AliTRDrecoParam::kClusterizer) > 7 && fReconstructor->IsDebugStreaming(); while(fIndexes->NextRCIndex(iRow, iCol)) { Bool_t corrupted = kFALSE; if (fCalPadStatusROC->GetStatus(iCol, iRow)) corrupted = kTRUE; // Save data into the temporary processing array and substract the baseline, // since DeConvExp does not expect a baseline for (iTime = 0; iTime < fTimeTotal; iTime++) inADC[iTime] = fDigits->GetData(iRow,iCol,iTime)-fBaseline; if(debugStreaming){ for (iTime = 0; iTime < fTimeTotal; iTime++) (*fDebugStream) << "TailCancellation" << "col=" << iCol << "row=" << iRow << "time=" << iTime << "inADC=" << inADC[iTime] << "outADC=" << outADC[iTime] << "corrupted=" << corrupted << "\n"; } if (!corrupted) { // Apply the tail cancelation via the digital filter // (only for non-coorupted pads) DeConvExp(&inADC[0],&outADC[0],fTimeTotal,fReconstructor->GetRecoParam() ->GetTCnexp()); } else memcpy(&outADC[0],&inADC[0],fTimeTotal*sizeof(inADC[0])); // Save tailcancalled data and add the baseline for(iTime = 0; iTime < fTimeTotal; iTime++) fDigits->SetData(iRow,iCol,iTime,(Short_t)(outADC[iTime] + fBaseline + 0.5)); } // while irow icol delete [] inADC; delete [] outADC; return; } //_____________________________________________________________________________ void AliTRDclusterizer::DeConvExp(const Double_t *const source, Double_t *const target ,const Int_t n, const Int_t nexp) { // // Tail cancellation by deconvolution for PASA v4 TRF // Double_t rates[2]; Double_t coefficients[2]; // Initialization (coefficient = alpha, rates = lambda) Double_t r1 = 1.0; Double_t r2 = 1.0; Double_t c1 = 0.5; Double_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] = TMath::Exp(-dt/(r2)); Int_t i = 0; Int_t k = 0; Double_t reminder[2]; Double_t correction = 0.0; Double_t result = 0.0; // Attention: computation order is important for (k = 0; k < nexp; k++) { reminder[k] = 0.0; } for (i = 0; i < n; i++) { result = (source[i] - correction); // No rescaling target[i] = result; for (k = 0; k < nexp; k++) { reminder[k] = rates[k] * (reminder[k] + coefficients[k] * result); } correction = 0.0; for (k = 0; k < nexp; k++) { correction += reminder[k]; } } } //_____________________________________________________________________________ void AliTRDclusterizer::ResetRecPoints() { // // Resets the list of rec points // if (fRecPoints) { fRecPoints->Delete(); delete fRecPoints; } } //_____________________________________________________________________________ TClonesArray *AliTRDclusterizer::RecPoints() { // // Returns the list of rec points // if (!fRecPoints) { 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; }