/**************************************************************************
- * 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 <TROOT.h>
-#include <TTree.h>
-#include <TFile.h>
+#include <TClonesArray.h>
#include <TObjArray.h>
#include "AliRunLoader.h"
#include "AliLoader.h"
-#include "AliLog.h"
+#include "AliAlignObj.h"
#include "AliTRDclusterizer.h"
#include "AliTRDcluster.h"
-#include "AliTRDrecPoint.h"
+#include "AliTRDReconstructor.h"
#include "AliTRDgeometry.h"
+#include "AliTRDarrayDictionary.h"
+#include "AliTRDarrayADC.h"
+#include "AliTRDdigitsManager.h"
+#include "AliTRDrawData.h"
#include "AliTRDcalibDB.h"
-#include "AliTRDCommonParam.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()
+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)
+ ,fADCthresh(0)
+ ,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)
{
//
// AliTRDclusterizer default constructor
//
+ SetBit(kLabels, kTRUE);
+
+ AliTRDcalibDB *trd = 0x0;
+ if (!(trd = AliTRDcalibDB::Instance())) {
+ AliFatal("Could not get calibration object");
+ }
+
+ fRawVersion = AliTRDfeeParam::Instance()->GetRAWversion();
+
+ // Initialize debug stream
+ if(fReconstructor){
+ if(fReconstructor->GetStreamLevel(AliTRDReconstructor::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)
+ ,fADCthresh(0)
+ ,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)
{
//
// AliTRDclusterizer constructor
//
+ SetBit(kLabels, kTRUE);
+
+ 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)
+ ,fADCthresh(0)
+ ,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)
{
//
// AliTRDclusterizer copy constructor
//
+ SetBit(kLabels, kTRUE);
+
+ //FillLUT();
+
}
//_____________________________________________________________________________
// 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;
+ fTrackletContainer = NULL;
+ }
+
+ if (fTransform){
+ delete fTransform;
+ fTransform = NULL;
+ }
+
}
//_____________________________________________________________________________
// Assignment operator
//
- if (this != &c) {
- ((AliTRDclusterizer &) c).Copy(*this);
- }
+ if (this != &c)
+ {
+ ((AliTRDclusterizer &) c).Copy(*this);
+ }
+
return *this;
}
// 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).fADCthresh = 0;
+ ((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;
}
//_____________________________________________________________________________
// 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;
+ // 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);
- fClusterTree = clusterTree;
- fClusterTree->Branch("TRDcluster","TObjArray",&ioArray,32000,0);
+ if (!fRunLoader) {
+ fRunLoader = AliRunLoader::Open("galice.root");
+ }
+ if (!fRunLoader) {
+ AliError(Form("Can not open session for file galice.root."));
+ return kFALSE;
+ }
- return kTRUE;
+ 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;
}
//_____________________________________________________________________________
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);
+ } 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();
+ } else {
+
+ Int_t detOld = -1;
+ for (Int_t i = 0; i < nRecPoints; i++) {
+ AliTRDcluster *c = (AliTRDcluster *) RecPoints()->UncheckedAt(i);
+ if(c->GetDetector() != detOld){
+ fClusterTree->Fill();
+ ioArray->Clear();
+ detOld = c->GetDetector();
+ }
+ ioArray->AddLast(c);
+ }
}
+ delete ioArray;
- if ((det >= 0) &&
- (det < AliTRDgeometry::Ndet())) {
+ return kTRUE;
- Int_t nRecPoints = RecPoints()->GetEntriesFast();
- TObjArray *detRecPoints = new TObjArray(400);
+}
- for (Int_t i = 0; i < nRecPoints; i++) {
- AliTRDcluster *c = (AliTRDcluster *) RecPoints()->UncheckedAt(i);
- if (det == c->GetDetector()) {
- detRecPoints->AddLast(c);
- }
- else {
- AliError("Attempt to write a cluster with unexpected detector index\n");
- }
+//_____________________________________________________________________________
+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();
}
+ }
- branch->SetAddress(&detRecPoints);
- fClusterTree->Fill();
+ AliDataLoader *dl = fRunLoader->GetLoader("TRDLoader")->GetDataLoader("tracklets");
+ dl->WriteData("OVERWRITE");
+ //dl->Unload();
+ delete [] leaves;
+
+ return kTRUE;
- delete detRecPoints;
+}
- return kTRUE;
+//_____________________________________________________________________________
+Bool_t AliTRDclusterizer::ReadDigits()
+{
+ //
+ // Reads the digits arrays from the input aliroot file
+ //
+ if (!fRunLoader) {
+ AliError("No run loader available");
+ return kFALSE;
}
- if (det == -1) {
+ AliLoader* loader = fRunLoader->GetLoader("TRDLoader");
+ if (!loader->TreeD()) {
+ loader->LoadDigits();
+ }
- AliInfo(Form("Writing the cluster tree %s for event %d."
- ,fClusterTree->GetName(),fRunLoader->GetEventNumber()));
+ // Read in the digit arrays
+ return (fDigitsManager->ReadDigits(loader->TreeD()));
- if (fRecPoints) {
+}
- branch->SetAddress(&fRecPoints);
+//_____________________________________________________________________________
+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
+ //
- AliLoader *loader = fRunLoader->GetLoader("TRDLoader");
- loader->WriteRecPoints("OVERWRITE");
+ 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;
}
- else {
+
+ //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);
- AliError("Cluster tree does not exist. Cannot write clusters.\n");
- return kFALSE;
+ AliInfo(Form("Number of found clusters : %d", RecPoints()->GetEntriesFast()));
- }
+ return fReturn;
+
+}
- 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){
+ 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];
}
- AliError(Form("Unexpected detector index %d.\n",det));
-
- return kFALSE;
+ AliTRDrawStreamBase *input = AliTRDrawStreamBase::GetRawStream(rawReader);
+
+ AliInfo(Form("Stream version: %s", input->IsA()->GetName()));
+ Int_t det = 0;
+ while ((det = input->NextChamber(fDigitsManager,fTrackletContainer)) >= 0){
+ Bool_t iclusterBranch = kFALSE;
+ if (fDigitsManager->GetIndexes(det)->HasEntry()){
+ iclusterBranch = MakeClusters(det);
+ }
+
+ fDigitsManager->ResetArrays(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);
+
+ delete fDigitsManager;
+ fDigitsManager = NULL;
+
+ delete input;
+ input = 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;
+}
//_____________________________________________________________________________
-AliTRDcluster* AliTRDclusterizer::AddCluster(Double_t *pos, Int_t timebin
- , Int_t det, Double_t amp
- , Int_t *tracks, Double_t *sig
- , Int_t iType, Float_t center)
+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<UChar_t>(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)
{
//
- // Add a cluster for the TRD
+ // Generates the cluster.
//
- AliTRDcluster *c = new AliTRDcluster();
+ // Get the digits
+ // digits should be expanded beforehand!
+ // digitsIn->Expand();
+ fDigits = (AliTRDarrayADC *) fDigitsManager->GetDigits(det); //mod
+
+ // 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;
+ }
+
+ fADCthresh = 0;
+
+ if (!fReconstructor){
+ AliError("Reconstructor not set\n");
+ return kFALSE;
+ }
+
+ TTreeSRedirector *fDebugStream = fReconstructor->GetDebugStream(AliTRDReconstructor::kClusterizer);
+
+ 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
- c->SetDetector(det);
- c->SetQ(amp);
- c->SetX(pos[2]);
- c->SetY(pos[0]);
- c->SetZ(pos[1]);
- c->SetSigmaY2(sig[0]);
- c->SetSigmaZ2(sig[1]);
- c->SetLocalTimeBin(timebin);
- c->SetCenter(center);
+ fDet = AliTRDgeometry::GetDetector(fLayer,istack,isector);
+ if (fDet != det) {
+ AliError("Strange Detector number Missmatch!");
+ return kFALSE;
+ }
+
+ // 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->UseLUT());
+ SetBit(kGAUS, fReconstructor->UseGAUS());
+ SetBit(kHLT, fReconstructor->IsHLT());
+
+ firstClusterROC = -1;
+ fClusterROC = 0;
- if (tracks) {
- c->AddTrackIndex(tracks);
+ // Apply the gain and the tail cancelation via digital filter
+ if(fReconstructor->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)){
+ //printf("\nCHECK r[%2d] c[%3d] t[%d]\n", curr.Row, curr.Col, curr.Time);
+ if(IsMaximum(curr, curr.padStatus, &curr.Signals[0])){
+ //printf("\tMAX s[%d %d %d]\n", curr.Signals[0], curr.Signals[1], curr.Signals[2]);
+ 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;
+ }
+ //printf("\t--- s[%d %d %d]\n", curr.Signals[0], curr.Signals[1], curr.Signals[2]);
+ }
}
+ if(last.Row>-1) CreateCluster(last);
+
+ if(fReconstructor->GetStreamLevel(AliTRDReconstructor::kClusterizer) > 2){
+ (*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.
+ //
+
+ Signals[1] = fDigits->GetData(Max.Row, Max.Col, Max.Time);
+ if(Signals[1] < fMaxThresh) return kFALSE;
- switch (iType) {
- case 0:
- c->Set2pad();
- break;
- case 1:
- c->Set3pad();
- break;
- case 2:
- c->Set4pad();
- break;
- case 3:
- c->Set5pad();
- break;
- case 4:
- c->SetLarge();
- break;
+ 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)
};
- RecPoints()->Add(c);
- return c;
+ Signals[0] = fDigits->GetData(Max.Row, Max.Col-1, Max.Time);
+ Signals[2] = fDigits->GetData(Max.Row, Max.Col+1, Max.Time);
+
+ 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)) {
+ 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 (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]=TMath::Nint(fMaxThresh);
+ 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;
+ if (ThisMax.Col < fColMax - 5){
+ if (fDigits->GetData(ThisMax.Row, ThisMax.Col+4, ThisMax.Time) >= fSigThresh)
+ return kFALSE;
+ }
+ if (ThisMax.Col > 1) {
+ if (fDigits->GetData(ThisMax.Row, ThisMax.Col-2, ThisMax.Time) >= fSigThresh)
+ 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] = TMath::Nint(ThisMax.Signals[2]*ratio);
+ NeighbourMax.Signals[0] = TMath::Nint(NeighbourMax.Signals[0]*(1-ratio));
+ 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];
+ for(Int_t i = 0; i<2; i++)
+ {
+ if(Max.Col+i >= 3)
+ signals[i] = fDigits->GetData(Max.Row, Max.Col-3+i, Max.Time);
+ if(Max.Col+3-i < fColMax)
+ signals[6-i] = fDigits->GetData(Max.Row, Max.Col+3-i, Max.Time);
+ }
+ /*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);
}
//_____________________________________________________________________________
-Double_t AliTRDclusterizer::CalcXposFromTimebin(Float_t timebin, Int_t idet
- , Int_t col, Int_t row)
+void AliTRDclusterizer::AddTrackletsToArray()
{
//
- // Calculates the local x position in the detector from the timebin,
- // depends on the drift velocity and t0
+ // 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
//
- AliTRDcalibDB *calibration = AliTRDcalibDB::Instance();
+ 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;
+}
- return timebin / samplingFrequency * vdrift;
+//_____________________________________________________________________________
+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
+
+ fIndexes->ResetCounters();
+ TTreeSRedirector *fDebugStream = fReconstructor->GetDebugStream(AliTRDReconstructor::kClusterizer);
+ while(fIndexes->NextRCIndex(iRow, iCol))
+ {
+ Float_t fCalGainFactorROCValue = fCalGainFactorROC->GetValue(iCol,iRow);
+ Double_t gain = fCalGainFactorDetValue
+ * fCalGainFactorROCValue;
+
+ Bool_t corrupted = kFALSE;
+ for (iTime = 0; iTime < fTimeTotal; iTime++)
+ {
+ // Apply gain gain factor
+ inADC[iTime] = fDigits->GetData(iRow,iCol,iTime);
+ if (fCalPadStatusROC->GetStatus(iCol, iRow)) corrupted = kTRUE;
+ inADC[iTime] /= gain;
+ outADC[iTime] = inADC[iTime];
+ if(fReconstructor->GetStreamLevel(AliTRDReconstructor::kClusterizer) > 7){
+ (*fDebugStream) << "TailCancellation"
+ << "col=" << iCol
+ << "row=" << iRow
+ << "time=" << iTime
+ << "inADC=" << inADC[iTime]
+ << "gain=" << gain
+ << "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());
+ }
+
+ for(iTime = 0; iTime < fTimeTotal; iTime++)//while (fIndexes->NextTbinIndex(iTime))
+ {
+ // Store the amplitude of the digit if above threshold
+ if (outADC[iTime] > fADCthresh)
+ fDigits->SetData(iRow,iCol,iTime,TMath::Nint(outADC[iTime]));
+ else
+ fDigits->SetData(iRow,iCol,iTime,0);
+ } // while itime
+
+ } // 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->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];
+ }
+
+ }
}
if (fRecPoints) {
fRecPoints->Delete();
+ 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;
+
+}
+
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