]> git.uio.no Git - u/mrichter/AliRoot.git/blobdiff - HLT/TPCLib/AliHLTTPCClusterFinderComponent.cxx
minor update of documentation
[u/mrichter/AliRoot.git] / HLT / TPCLib / AliHLTTPCClusterFinderComponent.cxx
index ed9e08d72b21154219240c31be2daecabf934bbe..9a7a58f3a401446a3747d6544abeeffa5c1d9780 100644 (file)
 // $Id$
 
-/**************************************************************************
- * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
- *                                                                        *
- * Authors: Matthias Richter <Matthias.Richter@ift.uib.no>                *
- *          Timm Steinbeck <timm@kip.uni-heidelberg.de>                   *
- *          for The ALICE Off-line Project.                               *
- *                                                                        *
- * 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.                  *
- **************************************************************************/
-
-///////////////////////////////////////////////////////////////////////////////
-//                                                                           //
-// a TPC cluster finder processing component for the HLT                     //
-//                                                                           //
-///////////////////////////////////////////////////////////////////////////////
-
-#if __GNUC__== 3
+//**************************************************************************
+//* This file is property of and copyright by the ALICE HLT Project        * 
+//* ALICE Experiment at CERN, All rights reserved.                         *
+//*                                                                        *
+//* Primary Authors: Timm Steinbeck, Matthias Richter                      *
+//* Developers:      Kenneth Aamodt <kenneth.aamodt@student.uib.no>        *
+//*                  for The ALICE HLT Project.                            *
+//*                                                                        *
+//* 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.                  *
+//**************************************************************************
+
+/** @file   AliHLTTPCClusterFinderComponent.cxx
+    @author Kenneth Aamodt <kenneth.aamodt@student.uib.no>
+    @date   
+    @brief  The TPC cluster finder processing component
+*/
+
+#if __GNUC__>= 3
 using namespace std;
 #endif
-
 #include "AliHLTTPCClusterFinderComponent.h"
-#include "AliL3ClustFinderNew.h"
-#include "AliL3SpacePointData.h"
-#include "AliHLTTPCRawDataFormat.h"
+#include "AliHLTTPCDigitReaderPacked.h"
+#include "AliHLTTPCDigitReaderUnpacked.h"
+#include "AliHLTTPCDigitReaderDecoder.h"
+#include "AliHLTTPCDigitReader32Bit.h"
+#include "AliHLTTPCClusterFinder.h"
+#include "AliHLTTPCSpacePointData.h"
 #include "AliHLTTPCClusterDataFormat.h"
-#include "AliL3Transform.h"
-#include <stdlib.h>
-#include <errno.h>
+#include "AliHLTTPCTransform.h"
+#include "AliHLTTPCClusters.h"
+#include "AliHLTTPCDefinitions.h"
+#include "AliGRPObject.h"
+#include "AliCDBEntry.h"
+#include "AliCDBManager.h"
+#include "AliTPCcalibDB.h"
+#include "AliTPCCalPad.h"
+#include "AliTPCParam.h"
+#include "AliTPCTransform.h"
+
+//#include "AliHLTTPCCAInputDataCompressorComponent.h"
+//#include "AliHLTTPCCADef.h"
+
+#include <cstdlib>
+#include <cerrno>
+#include "TString.h"
+#include "TObjString.h"
+#include "TObjArray.h"
+#include "AliCDBEntry.h"
+#include "AliCDBManager.h"
+#include "AliCDBStorage.h"
+#include "TGeoGlobalMagField.h"
+#include "AliGeomManager.h"
 
-// this is a global object used for automatic component registration, do not use this
-AliHLTTPCClusterFinderComponent gAliHLTTPCClusterFinderComponent;
+#include <sys/time.h>
 
+/** ROOT macro for the implementation of ROOT specific class methods */
 ClassImp(AliHLTTPCClusterFinderComponent)
 
-AliHLTTPCClusterFinderComponent::AliHLTTPCClusterFinderComponent()
-    {
-    fClusterFinder = NULL;
-    fClusterDeconv = true;
-    fXYClusterError = -1;
-    fZClusterError = -1;
-    }
+AliHLTTPCClusterFinderComponent::AliHLTTPCClusterFinderComponent(int mode)
+  :
+  fClusterFinder(NULL),
+  fReader(NULL),
+  fDeconvTime(kFALSE),
+  fTS(0),
+  fDeconvPad(kFALSE),
+  fClusterDeconv(false),
+  fXYClusterError(-1),
+  fZClusterError(-1),
+  fModeSwitch(mode),
+  fUnsorted(1),
+  fPatch(0),
+  fGetActivePads(0),
+  fFirstTimeBin(-1),
+  fLastTimeBin(-1),
+  fDoMC(kFALSE),
+  fReleaseMemory( kFALSE ),
+  fBenchmark("TPCClusterFinder")
+{
+  // see header file for class documentation
+  // or
+  // refer to README to build package
+  // or
+  // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt
+  if (fModeSwitch!=kClusterFinderPacked &&
+      fModeSwitch!=kClusterFinderUnpacked &&
+      fModeSwitch!=kClusterFinderDecoder &&
+      fModeSwitch!=kClusterFinder32Bit) {
+    HLTFatal("unknown digit reader type");
+  }
+}
 
 AliHLTTPCClusterFinderComponent::~AliHLTTPCClusterFinderComponent()
-    {
-    }
+{
+  // see header file for class documentation
+}
 
 // Public functions to implement AliHLTComponent's interface.
 // These functions are required for the registration process
 
 const char* AliHLTTPCClusterFinderComponent::GetComponentID()
-    {
-    return "TPCClusterFinder";
-    }
+{
+  // see header file for class documentation
+  switch(fModeSwitch){
+  case kClusterFinderPacked:
+    return "TPCClusterFinderPacked";
+    break;
+  case kClusterFinderUnpacked:          
+    return "TPCClusterFinderUnpacked";          
+    break;
+  case kClusterFinderDecoder:
+    return "TPCClusterFinderDecoder";
+    break;
+  case kClusterFinder32Bit:
+    return "TPCClusterFinder32Bit";
+    break;
+  }
+  return "";
+}
 
-void AliHLTTPCClusterFinderComponent::GetInputDataTypes( vector<AliHLTComponent_DataType>& list)
-    {
-    list.clear();
-    list.push_back( AliHLTTPCDefinitions::gkUnpackedRawDataType );
-    }
+void AliHLTTPCClusterFinderComponent::GetInputDataTypes( vector<AliHLTComponentDataType>& list)
+{
+  // see header file for class documentation
+  list.clear(); 
+  switch(fModeSwitch){
+  case kClusterFinderPacked:
+    list.push_back( kAliHLTDataTypeDDLRaw | kAliHLTDataOriginTPC );
+    break;
+  case kClusterFinderUnpacked:          
+    list.push_back( AliHLTTPCDefinitions::fgkUnpackedRawDataType );     
+    break;
+  case kClusterFinderDecoder:
+    list.push_back( kAliHLTDataTypeDDLRaw | kAliHLTDataOriginTPC );
+    break;
+  case kClusterFinder32Bit:
+    list.push_back( kAliHLTDataTypeDDLRaw | kAliHLTDataOriginTPC );
+    break;
+  }
+}
 
-AliHLTComponent_DataType AliHLTTPCClusterFinderComponent::GetOutputDataType()
-    {
-    return AliHLTTPCDefinitions::gkClustersDataType;
-    }
+AliHLTComponentDataType AliHLTTPCClusterFinderComponent::GetOutputDataType()
+{
+  // see header file for class documentation
+  return kAliHLTMultipleDataType;
+}
+
+int AliHLTTPCClusterFinderComponent::GetOutputDataTypes(AliHLTComponentDataTypeList& tgtList)
+
+{
+  // see header file for class documentation
+  tgtList.clear();
+  tgtList.push_back(AliHLTTPCDefinitions::fgkClustersDataType);
+  tgtList.push_back(kAliHLTDataTypeHwAddr16);
+  //tgtList.push_back(AliHLTTPCCADefinitions::fgkCompressedInputDataType);
+  return tgtList.size();
+}
 
 void AliHLTTPCClusterFinderComponent::GetOutputDataSize( unsigned long& constBase, double& inputMultiplier )
-    {
-    // XXX TODO: Find more realistic values.
-    constBase = 0;
+{
+  // see header file for class documentation
+  // XXX TODO: Find more realistic values.  
+  constBase = 0;
+  switch(fModeSwitch){
+  case kClusterFinderPacked:
+    inputMultiplier = (6 * 0.4);
+    break;
+  case kClusterFinderUnpacked:
     inputMultiplier = 0.4;
-    }
+    break;
+  case kClusterFinderDecoder:
+    inputMultiplier = (6 * 0.4);
+    break;
+  case kClusterFinder32Bit:
+    inputMultiplier = (6 * 0.4);
+    break;
+  }
+}
 
 AliHLTComponent* AliHLTTPCClusterFinderComponent::Spawn()
-    {
-    return new AliHLTTPCClusterFinderComponent;
-    }
+{
+  // see header file for class documentation
+  return new AliHLTTPCClusterFinderComponent(fModeSwitch);
+}
        
 int AliHLTTPCClusterFinderComponent::DoInit( int argc, const char** argv )
-    {
-    if ( fClusterFinder )
-       return EINPROGRESS;
-    fClusterFinder = new AliL3ClustFinderNew();
-    fClusterDeconv = true;
-    fXYClusterError = -1;
-    fZClusterError = -1;
-    int i = 0;
-    while ( i < argc )
-       {
-       if ( !strcmp( argv[i], "-pp-run" ) )
-           {
-           fClusterDeconv = false;
-           i++;
-           continue;
-           }
-       Logging(kHLTLogError, "HLT::TPCClusterFinder::DoInit", "Unknown Option", "Unknown option '%s'", argv[i] );
-       return EINVAL;
-       }
-    return 0;
+{
+  // see header file for class documentation
+  if ( fClusterFinder )
+    return -EINPROGRESS;
+
+  //Test if the OCDB entries used by AliTPCTransform is availible
+  AliTPCcalibDB*  calib=AliTPCcalibDB::Instance();  
+  //
+  if(!calib){
+    HLTError("AliTPCcalibDB does not exist");
+    return -ENOENT;
+  }
+
+  fTS = calib->GetTransform();
+
+  calib->SetRun(GetRunNo());
+  calib->UpdateRunInformations(GetRunNo());
+  AliTPCCalPad * time0TPC = calib->GetPadTime0(); 
+  if(!time0TPC){
+    HLTError("OCDB entry TPC/Calib/PadTime0 (AliTPCcalibDB::GetPadTime0()) is not available.");
+    return -ENOENT;
+  }
+
+  AliTPCParam  * param    = calib->GetParameters();
+  if(!param){
+    HLTError("OCDB entry TPC/Calib/Parameters (AliTPCcalibDB::GetParameters()) is not available.");
+    return -ENOENT;
+  }
+
+  // Check field
+  if (!TGeoGlobalMagField::Instance()) {
+    HLTError("magnetic field not initialized, please set up TGeoGlobalMagField and AliMagF");
+    return -ENODEV;
+  }
+  calib->SetExBField(GetBz());
+
+  if(!AliGeomManager::GetGeometry()){
+    AliGeomManager::LoadGeometry();
+  }
+
+  fClusterFinder = new AliHLTTPCClusterFinder();
+
+  TObject* pOCDBEntry=LoadAndExtractOCDBObject("GRP/GRP/Data");
+  AliGRPObject* pGRP=pOCDBEntry?dynamic_cast<AliGRPObject*>(pOCDBEntry):NULL;
+  TString beamType;
+  if (pGRP) {
+    beamType=pGRP->GetBeamType();
+  }
+
+  // first configure the default
+  int iResult = 0;
+  TString cdbPath="HLT/ConfigTPC/";
+  cdbPath+=GetComponentID();
+  iResult=ConfigureFromCDBTObjString(cdbPath, beamType.Data());
+
+  // configure from the command line parameters if specified
+  if (iResult>=0 && argc>0)
+    iResult=ConfigureFromArgumentString(argc, argv);
+  // return iResult;
+
+  /*
+  Int_t iResult=0;
+  TString configuration="";
+  TString argument="";
+  for (int i=0; i<argc && iResult>=0; i++) {
+    argument=argv[i];
+    if (!configuration.IsNull()) configuration+=" ";
+    configuration+=argument;
+  }
+  
+  if (!configuration.IsNull()) {
+    iResult=Configure(configuration.Data());
+  } else {
+    iResult=Reconfigure(NULL, NULL);
+  }
+  */
+
+  //Checking for conflicting arguments
+  if(fClusterDeconv){
+    if(fDeconvPad==kTRUE || fDeconvTime==kTRUE){
+      HLTWarning("Conflicting arguments: argument 'pp-run' will be ignored.");
     }
+  }
+  if(fClusterFinder->GetOccupancyLimit()!=1.0 && fUnsorted){
+    HLTWarning("Argument 'occupancy-limit' is deprecated when doing unsorted data reading.");
+  }
+  if(fGetActivePads==kTRUE && fUnsorted==kFALSE){
+    HLTWarning("Argument '-active-pads' only work with unsorted data reading. Active pads list will not be produced.");
+  }
+  
+
+  // Choose reader
+  if (fModeSwitch==kClusterFinderPacked) {
+      HLTDebug("using AliHLTTPCDigitReaderPacked");
+      fReader = new AliHLTTPCDigitReaderPacked();
+      if(fUnsorted==1){        fReader->SetUnsorted(kTRUE); }
+      fClusterFinder->SetReader(fReader);
+  }
+  else if(fModeSwitch==kClusterFinderUnpacked){         
+    HLTDebug("using AliHLTTPCDigitReaderUnpacked");     
+    fReader = new AliHLTTPCDigitReaderUnpacked();       
+    if(fUnsorted==1){  fReader->SetUnsorted(kTRUE); }
+    fClusterFinder->SetReader(fReader);
+  } 
+  else if(fModeSwitch==kClusterFinderDecoder){
+    HLTDebug("using AliHLTTPCDigitReaderDecoder");
+    fReader = new AliHLTTPCDigitReaderDecoder();
+    fClusterFinder->SetReader(fReader);
+  }
+  else if(fModeSwitch==kClusterFinder32Bit){
+    HLTDebug("using AliHLTTPCDigitReader32Bit");
+    fReader = new AliHLTTPCDigitReader32Bit();
+    fClusterFinder->SetReader(fReader);
+    fClusterFinder->Set32BitFormat(kTRUE);
+  }
+  else{
+    HLTFatal("No mode set for clusterfindercomponent");
+  }
+
+  if(fClusterDeconv){
+    fClusterFinder->SetOccupancyLimit(1.0);
+  }
+  
+  fClusterFinder->SetDeconv(fClusterDeconv);
+  fClusterFinder->SetDeconvPad(fDeconvPad);
+  fClusterFinder->SetDeconvTime(fDeconvPad);
+  fClusterFinder->SetXYError( fXYClusterError );
+  fClusterFinder->SetZError( fZClusterError );
+  if ( (fXYClusterError>0) && (fZClusterError>0) ){
+    fClusterFinder->SetCalcErr( false );
+  }
+
+  if(fFirstTimeBin>0){
+    fClusterFinder->SetFirstTimeBin(fFirstTimeBin);
+  }
+  if(fLastTimeBin>0 && fLastTimeBin>fFirstTimeBin && fLastTimeBin<=AliHLTTPCTransform::GetNTimeBins()){
+    fClusterFinder->SetLastTimeBin(fLastTimeBin);
+  }
+  fBenchmark.Reset();
+  fBenchmark.SetTimer(0,"total");
+  fBenchmark.SetTimer(1,"reco");
+
+  return iResult;
+}
 
 int AliHLTTPCClusterFinderComponent::DoDeinit()
-    {
-    if ( !fClusterFinder )
-       return ECANCELED;
-    if ( fClusterFinder )
-       delete fClusterFinder;
-    fClusterFinder = NULL;
+{
+  // see header file for class documentation
+
+  if ( fClusterFinder )
+    delete fClusterFinder;
+  fClusterFinder = NULL;
+  if ( fReader )
+    delete fReader;
+  fReader = NULL;
+    
+  return 0;
+}
+
+int AliHLTTPCClusterFinderComponent::DoEvent( const AliHLTComponentEventData& evtData, 
+                                             const AliHLTComponentBlockData* blocks, 
+                                             AliHLTComponentTriggerData& /*trigData*/, AliHLTUInt8_t* outputPtr, 
+                                             AliHLTUInt32_t& size, 
+                                             vector<AliHLTComponentBlockData>& outputBlocks )
+{
+  // see header file for class documentation
+  int iResult=0;
+  //SG!!!
+  //fDeconvTime = kTRUE;
+  //fClusterFinder->SetDeconvTime(fDeconvTime);
+  // fDeconvPad = kTRUE;
+  //fClusterFinder->SetDeconvPad(fDeconvPad);
+    
+  
+  fTS->SetCurrentTimeStamp(GetTimeStamp());
+  //fTS->SetCurrentTimeStamp(0);
+
+  if(fReader == NULL){
+    HLTFatal("Digit reader not initialized, skipping HLT TPC cluster reconstruction.");
+    size=0;
+    return -ENODEV;    
+  }
+
+  if(!IsDataEvent()){
+    size=0;
     return 0;
-    }
+  }
+
+  fBenchmark.StartNewEvent();
+  fBenchmark.Start(0);
+
+  //  == init iter (pointer to datablock)
+  const AliHLTComponentBlockData* iter = NULL;
+  unsigned long ndx;
+
+  //  == OUTdatatype pointer
+  AliHLTTPCClusterData* outPtr;
+
+  AliHLTUInt8_t* outBPtr;
+  UInt_t offset, mysize, nSize, tSize = 0;
+
+  outBPtr = outputPtr;
+  outPtr = (AliHLTTPCClusterData*)outBPtr;
 
-int AliHLTTPCClusterFinderComponent::DoEvent( const AliHLTComponent_EventData& evtData, const AliHLTComponent_BlockData* blocks, 
-                                             AliHLTComponent_TriggerData& trigData, AliHLTUInt8_t* outputPtr, 
-                                             AliHLTUInt32_t& size, vector<AliHLTComponent_BlockData>& outputBlocks )
+  Int_t slice, patch;
+  unsigned long maxPoints, realPoints = 0;
+
+  for ( ndx = 0; ndx < evtData.fBlockCnt; ndx++ )
     {
-    const AliHLTComponent_BlockData* iter = NULL;
-    unsigned long ndx;
-    AliHLTTPCUnpackedRawData* inPtr;
-    AliHLTTPCClusterData* outPtr;
-    AliHLTUInt8_t* outBPtr;
-    UInt_t offset, mysize, nSize, tSize = 0;
-    outBPtr = outputPtr;
-    outPtr = (AliHLTTPCClusterData*)outBPtr;
-    Int_t slice, patch, row[2];
-    unsigned long maxPoints, realPoints = 0;
-    for ( ndx = 0; ndx < evtData.fBlockCnt; ndx++ )
-       {
-       iter = blocks+ndx;
-       mysize = 0;
-       offset = tSize;
-       if ( iter->fDataType != AliHLTTPCDefinitions::gkUnpackedRawDataType )
-           continue;
-       
-       slice = AliHLTTPCDefinitions::GetMinSliceNr( *iter );
-       patch = AliHLTTPCDefinitions::GetMinPatchNr( *iter );
-       row[0] = AliL3Transform::GetFirstRow( patch );
-       row[1] = AliL3Transform::GetLastRow( patch );
-       
-       Logging( kHLTLogDebug, "HLT::TPCClusterFinder::DoEvent", "Input Spacepoints", 
-                "Input: Number of spacepoints: %lu Slice/Patch/RowMin/RowMax: %d/%d/%d/%d.",
-                realPoints, slice, patch, row[0], row[1] );
-       
-       outPtr = (AliHLTTPCClusterData*)outBPtr;
-       
-       inPtr = (AliHLTTPCUnpackedRawData*)iter->fPtr;
-       maxPoints = (size-tSize-sizeof(AliHLTTPCClusterData))/sizeof(AliL3SpacePointData);
+      iter = blocks+ndx;
+      mysize = 0;
+      offset = tSize;
+
+      // Kenneth 16. July 2009
+      // 32 byte is the size of the common data header (CDH)
+      // this is introduced as a protection of empty files
+      // normally when running with file publisher where 
+      // Timms script is used to create the missing files
+      if(iter->fSize <= 32){
+       continue;
+      }
+
+
+      if (fModeSwitch==0 || fModeSwitch==2 || fModeSwitch==3) {
+       HLTDebug("Event 0x%08LX (%Lu) received datatype: %s - required datatype: %s",
+                evtData.fEventID, evtData.fEventID, 
+                DataType2Text( iter->fDataType).c_str(), 
+                DataType2Text(kAliHLTDataTypeDDLRaw | kAliHLTDataOriginTPC).c_str());
+
+       if (iter->fDataType == AliHLTTPCDefinitions::fgkDDLPackedRawDataType &&
+           GetEventCount()<2) {
+         HLTWarning("data type %s is depricated, use %s (kAliHLTDataTypeDDLRaw)!",
+                    DataType2Text(AliHLTTPCDefinitions::fgkDDLPackedRawDataType).c_str(),
+                    DataType2Text(kAliHLTDataTypeDDLRaw | kAliHLTDataOriginTPC).c_str());
+         }
+
+       if ( iter->fDataType != (kAliHLTDataTypeDDLRaw | kAliHLTDataOriginTPC) &&
+            iter->fDataType != AliHLTTPCDefinitions::fgkDDLPackedRawDataType ) continue;
+
+      }
+      else if(fModeSwitch==1){
+       HLTDebug("Event 0x%08LX (%Lu) received datatype: %s - required datatype: %s",
+                evtData.fEventID, evtData.fEventID, 
+                DataType2Text( iter->fDataType).c_str(), 
+                DataType2Text(AliHLTTPCDefinitions::fgkUnpackedRawDataType).c_str());
+
+       if ( iter->fDataType != AliHLTTPCDefinitions::fgkUnpackedRawDataType ) continue;
+
+      }
+
+      fBenchmark.AddInput(iter->fSize);
+
+      slice = AliHLTTPCDefinitions::GetMinSliceNr( *iter );
+      patch = AliHLTTPCDefinitions::GetMinPatchNr( *iter );
+
+      if(fUnsorted){
+       fClusterFinder->SetUnsorted(fUnsorted);
+       fClusterFinder->SetPatch(patch);
+      }
+
+      outPtr = (AliHLTTPCClusterData*)outBPtr;
+
+      maxPoints = (size-tSize-sizeof(AliHLTTPCClusterData))/sizeof(AliHLTTPCSpacePointData);
+
+      fClusterFinder->InitSlice( slice, patch, maxPoints );
+      fClusterFinder->SetOutputArray( (AliHLTTPCSpacePointData*)outPtr->fSpacePoints );
        
-       fClusterFinder->InitSlice( slice, patch, row[0], row[1], maxPoints );
-       fClusterFinder->SetDeconv( fClusterDeconv );
-       fClusterFinder->SetXYError( fXYClusterError );
-       fClusterFinder->SetZError( fZClusterError );
-       if ( (fXYClusterError>0) && (fZClusterError>0) )
-           fClusterFinder->SetCalcErr( false );
-       fClusterFinder->SetOutputArray( outPtr->fSpacePoints );
-       fClusterFinder->Read( maxPoints, inPtr->fDigits );
+      fBenchmark.Start(1);
+
+      if(fUnsorted){
+       if(fGetActivePads){
+         fClusterFinder->SetDoPadSelection(kTRUE);
+       }       
+       if(fDeconvTime){
+         fClusterFinder->ReadDataUnsortedDeconvoluteTime(iter->fPtr, iter->fSize);
+       }
+       else{
+         fClusterFinder->ReadDataUnsorted(iter->fPtr, iter->fSize);
+       }
+
+       fClusterFinder->FindClusters();
+      }
+      else{
+       fClusterFinder->Read(iter->fPtr, iter->fSize );
        fClusterFinder->ProcessDigits();
-       realPoints = fClusterFinder->GetNumberOfClusters();
+      }
+      fBenchmark.Stop(1);
+
+      fReader->Reset();
+
+      realPoints = fClusterFinder->GetNumberOfClusters();
        
-       Logging( kHLTLogDebug, "HLT::TPCClusterFinder::DoEvent", "Spacepoints", 
-                "Number of spacepoints found: %lu.", realPoints );
+      outPtr->fSpacePointCnt = realPoints;
+      nSize = sizeof(AliHLTTPCSpacePointData)*realPoints;
+      mysize += nSize+sizeof(AliHLTTPCClusterData);
+
+      Logging( kHLTLogDebug, "HLT::TPCClusterFinder::DoEvent", "Spacepoints", 
+              "Number of spacepoints: %lu Slice/Patch/RowMin/RowMax: %d/%d/%d/%d.",
+              realPoints, slice, patch,AliHLTTPCTransform::GetFirstRow( patch ) , AliHLTTPCTransform::GetLastRow( patch ) );
+      AliHLTComponentBlockData bd;
+      FillBlockData( bd );
+      bd.fOffset = offset;
+      bd.fSize = mysize;
+      bd.fSpecification = iter->fSpecification;
+      bd.fDataType = AliHLTTPCDefinitions::fgkClustersDataType;
+      outputBlocks.push_back( bd );
+
+      fBenchmark.AddOutput(bd.fSize);
+
+      tSize += mysize;
+      outBPtr += mysize;
+      outPtr = (AliHLTTPCClusterData*)outBPtr;
        
-       outPtr->fSpacePointCnt = realPoints;
-       nSize = sizeof(AliL3SpacePointData)*realPoints;
-       mysize += nSize+sizeof(AliHLTTPCClusterData);
+
+      if ( tSize > size )
+       {
+         Logging( kHLTLogFatal, "HLT::TPCClusterFinder::DoEvent", "Too much data", 
+                  "Data written over allowed buffer. Amount written: %lu, allowed amount: %lu.",
+                  tSize, size );
+         iResult=-ENOSPC;
+         break;
+       }
        
-       Logging( kHLTLogDebug, "HLT::TPCClusterFinder::DoEvent", "Input Spacepoints", 
-                "Number of spacepoints: %lu Slice/Patch/RowMin/RowMax: %d/%d/%d/%d.",
-                realPoints, slice, patch, row[0], row[1] );
+      if(fUnsorted && fGetActivePads){
+       Int_t maxNumberOfHW=(Int_t)((size-tSize)/sizeof(AliHLTUInt16_t)-1);
+       AliHLTUInt16_t* outputHWPtr= (AliHLTUInt16_t*)(outputPtr+tSize);
+       Int_t nHWAdd = fClusterFinder->FillHWAddressList(outputHWPtr, maxNumberOfHW);
+      
+       AliHLTComponentBlockData bdHW;
+       FillBlockData( bdHW );
+       bdHW.fOffset = tSize ;
+       bdHW.fSize = nHWAdd*sizeof(AliHLTUInt16_t);
+       bdHW.fSpecification = iter->fSpecification;
+       bdHW.fDataType = kAliHLTDataTypeHwAddr16;
+       outputBlocks.push_back( bdHW );
+       
+       fBenchmark.AddOutput(bdHW.fSize);
+       tSize+=nHWAdd*sizeof(AliHLTUInt16_t);
+      }
+
+      /*
+      { // compressed output for the CA tracker        
+
+       AliHLTUInt32_t dSize = 0;       
+
+       int ret = AliHLTTPCCAInputDataCompressorComponent::Compress(  (AliHLTTPCClusterData*)( outputPtr + bd.fOffset ),
+                                                                     size - tSize,
+                                                                     outputPtr+tSize,
+                                                                     dSize );
        
+       if ( ret!=0 || tSize + dSize > size )
+         {
+           Logging( kHLTLogFatal, "HLT::TPCClusterFinder::DoEvent", "Too much data", 
+                    "Data written over allowed buffer. Amount written: %lu, allowed amount: %lu.",
+                    tSize + dSize, size );
+           iResult=-ENOSPC;
+           break;
+         }
        
-       AliHLTComponent_BlockData bd;
-       FillBlockData( bd );
-       bd.fOffset = offset;
-       bd.fSize = mysize;
-       bd.fSpecification = iter->fSpecification;
-       //AliHLTSubEventDescriptor::FillBlockAttributes( bd.fAttributes );
-       outputBlocks.push_back( bd );
+       AliHLTComponentBlockData bdCompressed;
+       FillBlockData( bdCompressed );
+       bdCompressed.fOffset = tSize ;
+       bdCompressed.fSize = dSize;
+       bdCompressed.fSpecification = iter->fSpecification;
+       bdCompressed.fDataType = AliHLTTPCCADefinitions::fgkCompressedInputDataType;
+       outputBlocks.push_back( bdCompressed );
        
-       tSize += mysize;
-       outBPtr += mysize;
-       outPtr = (AliHLTTPCClusterData*)outBPtr;
+       tSize += dSize;
+       outBPtr += dSize;
+       outPtr = (AliHLTTPCClusterData*)outBPtr;        
+      }
+      */
+
+      if(fDoMC){
+       Int_t maxNumberOfClusterMCInfo = (Int_t)((size-tSize)/sizeof(AliHLTTPCClusterFinder::ClusterMCInfo)-1);
+       AliHLTTPCClusterFinder::ClusterMCInfo* outputMCInfo= (AliHLTTPCClusterFinder::ClusterMCInfo*)(outputPtr+tSize);
+       Int_t nMCInfo = fClusterFinder->FillOutputMCInfo(outputMCInfo, maxNumberOfClusterMCInfo);
        
-       if ( tSize > size )
-           {
-           Logging( kHLTLogFatal, "HLT::TPCClusterFinder::DoEvent", "Too much data", 
-                    "Data written over allowed buffer. Amount written: %lu, allowed amount: %lu.",
-                    tSize, size );
-           return EMSGSIZE;
-           }
-       }
-    
+       AliHLTComponentBlockData bdMCInfo;
+       FillBlockData( bdMCInfo );
+       bdMCInfo.fOffset = tSize ;
+       bdMCInfo.fSize = nMCInfo*sizeof(AliHLTTPCClusterFinder::ClusterMCInfo);
+       bdMCInfo.fSpecification = iter->fSpecification;
+       bdMCInfo.fDataType = AliHLTTPCDefinitions::fgkAliHLTDataTypeClusterMCInfo;
+       outputBlocks.push_back( bdMCInfo );
+       fBenchmark.AddOutput(bdMCInfo.fSize);
+
+       tSize+=nMCInfo*sizeof(AliHLTTPCClusterFinder::ClusterMCInfo);
+
+      }
+    }
+
+  if (iResult>=0)
     size = tSize;
-    return 0;
+
+  fBenchmark.Stop(0);  
+  HLTInfo(fBenchmark.GetStatistics());
+  return iResult;
+}
+
+int AliHLTTPCClusterFinderComponent::ScanConfigurationArgument(int argc, const char** argv){
+
+  // see header file for class documentation
+
+  if (argc<=0) return 0;
+  int i=0;
+  TString argument=argv[i];
+
+  if (argument.CompareTo("-solenoidBz")==0){
+    if (++i>=argc) return -EPROTO;
+    HLTWarning("argument -solenoidBz is deprecated, magnetic field set up globally (%f)", GetBz());
+    return 2;
+  }
+
+  if (argument.CompareTo("-update-calibdb")==0 || argument.CompareTo("-update-transform")==0 ){
+    if(fClusterFinder->UpdateCalibDB()){
+      HLTDebug("CalibDB and offline transform successfully updated.");
     }
+    else{
+      HLTError("CalibDB could not be updated.");
+    }
+    return 1;
+  }
+
+  if (argument.CompareTo("-deconvolute-time")==0){
+    HLTDebug("Switching on deconvolution in time direction.");
+    fDeconvTime = kTRUE;
+    fClusterFinder->SetDeconvTime(fDeconvTime);
+    return 1;
+  }
+
+  if (argument.CompareTo("-deconvolute-pad")==0){
+    HLTDebug("Switching on deconvolution in pad direction.");
+    fDeconvPad = kTRUE;
+    fClusterFinder->SetDeconvPad(fDeconvPad);
+    return 1;
+  }
+
+  if (argument.CompareTo("-timebins")==0 || argument.CompareTo("timebins" )==0){
+    HLTWarning("Argument %s is depreciated after moving to the offline AliTPCTransform class for xyz calculations.",argument.Data());
+    /*
+      if (++i>=argc) return -EPROTO;
+      argument=argv[i];
+      AliHLTTPCTransform::SetNTimeBins(argument.Atoi());
+      fClusterFinder->UpdateLastTimeBin();
+      HLTInfo("number of timebins set to %d, zbin=%f", AliHLTTPCTransform::GetNTimeBins(), AliHLTTPCTransform::GetZWidth());
+      return 2;
+    */
+    if(argument.CompareTo("timebins")==0){
+      HLTWarning("Argument 'timebins' is old, please switch to new argument naming convention (-timebins). The timebins argument will still work, but please change anyway.");
+    }
+    return 2;
+  }
+  
+  if (argument.CompareTo("-first-timebin")==0){
+    if (++i>=argc) return -EPROTO;
+    argument=argv[i];
+    fFirstTimeBin = argument.Atoi();
+    if(fFirstTimeBin>=0){
+      HLTDebug("fFirstTimeBin set to %d",fFirstTimeBin);
+      fClusterFinder->SetFirstTimeBin(fFirstTimeBin);
+    }
+    else{
+      HLTError("-first-timebin specifier is negative: %d",fFirstTimeBin);
+    }
+    return 2;
+  }
+
+  if (argument.CompareTo("-last-timebin")==0){
+    if (++i>=argc) return -EPROTO;
+    argument=argv[i];
+    fLastTimeBin = argument.Atoi();
+    if(fLastTimeBin<AliHLTTPCTransform::GetNTimeBins()){
+      HLTDebug("fLastTimeBin set to %d",fLastTimeBin);
+    }
+    else{
+      HLTError("fLastTimeBins is too big: %d. Maximum: %d",fLastTimeBin,AliHLTTPCTransform::GetNTimeBins());
+    }
+    return 2;
+  }
+  if (argument.CompareTo("-sorted")==0) {
+    fUnsorted=0;
+    HLTDebug("Swithching unsorted off.");
+    fClusterFinder->SetUnsorted(0);
+    return 1;
+  } 
+  
+  if (argument.CompareTo("-do-mc")==0) {
+    fDoMC=kTRUE;
+    fClusterFinder->SetDoMC(fDoMC);
+    HLTDebug("Setting fDoMC to true.");
+    return 1;
+  }
+  if (argument.CompareTo("-release-memory")==0) {
+    fReleaseMemory=kTRUE;
+    fClusterFinder->SetReleaseMemory( fReleaseMemory );
+    HLTDebug("Setting fReleaseMemory to true.");
+    return 1;
+  }
+
+  if (argument.CompareTo("-active-pads")==0 || argument.CompareTo("activepads")==0){
+    if(argument.CompareTo("activepads" )==0){
+      HLTWarning("Please change to new component argument naming scheme and use '-active-pads' instead of 'activepads'");
+    }
+    HLTDebug("Switching on ActivePads");
+    fGetActivePads = 1;
+    fClusterFinder->SetDoPadSelection(kTRUE);
+    return 1;
+  }
+
+  if (argument.CompareTo("-occupancy-limit")==0 || argument.CompareTo("occupancy-limit")==0){
+    if(argument.CompareTo("occupancy-limit" )==0){
+      HLTWarning("Please switch to new component argument naming convention, use '-occupancy-limit' instead of 'occupancy-limit'");
+    }
+    if (++i>=argc) return -EPROTO;
+    argument=argv[i];
+    fClusterFinder->SetOccupancyLimit(argument.Atof());
+    HLTDebug("Occupancy limit set to occulimit %f", argument.Atof());
+    return 2;
+  }
+
+  if (argument.CompareTo("rawreadermode")==0){
+    if (++i>=argc) return -EPROTO;
+    HLTWarning("Argument 'rawreadermode' is deprecated");
+    return 2;
+  }
+  
+  if (argument.CompareTo("pp-run")==0){
+    HLTWarning("Argument 'pp-run' is obsolete, deconvolution is swiched off in both time and pad directions by default.");
+    fClusterDeconv = false;
+    return 1;
+  }
+
+  if (argument.CompareTo("adc-threshold" )==0){
+    if (++i>=argc) return -EPROTO;
+    HLTWarning("'adc-threshold' is no longer a valid argument, please use TPCZeroSuppression component if you want to zerosuppress data.");
+    return 2;
+  } 
+  
+  if (argument.CompareTo("oldrcuformat" )==0){
+    if (++i>=argc) return -EPROTO;
+    HLTWarning("Argument 'oldrcuformat' is deprecated.");
+    return 2;
+  }
+  
+  if (argument.CompareTo("unsorted" )==0 || argument.CompareTo("-unsorted" )==0){
+    HLTWarning("Argument is obsolete, unsorted reading is default.");
+    //    fClusterFinder->SetUnsorted(1);
+    return 1;
+  }
+  if (argument.CompareTo("nsigma-threshold")==0){
+    if (++i>=argc) return -EPROTO;
+    HLTWarning("Argument 'nsigma-threshold' argument is obsolete.");
+    return 2;
+  }
+
+  // unknown argument
+  return -EINVAL;
+}
+
+int AliHLTTPCClusterFinderComponent::Reconfigure(const char* cdbEntry, const char* /*chainId*/)
+{  
+  // see header file for class documentation
 
+  TString cdbPath;
+  if (cdbEntry) {
+    cdbPath=cdbEntry;
+  } else {
+    cdbPath="HLT/ConfigTPC/";
+    cdbPath+=GetComponentID();
+  }
+
+  return ConfigureFromCDBTObjString(cdbPath.Data());
+
+  /*
+  int iResult=0;
+  
+  const char* path="HLT/ConfigTPC/ClusterFinderComponent";
+  if (cdbEntry) path=cdbEntry;
+  if (path) {
+    HLTInfo("reconfigure from entry %s, chain id %s", path, (chainId!=NULL && chainId[0]!=0)?chainId:"<none>");
+    AliCDBEntry *pEntry = AliCDBManager::Instance()->Get(path);//,GetRunNo());
+    if (pEntry) {
+      TObjString* pString=dynamic_cast<TObjString*>(pEntry->GetObject());
+      if (pString) {
+       HLTInfo("received configuration object: %s", pString->GetString().Data());
+       iResult = Configure(pString->GetString().Data());
+      } else {
+       HLTError("configuration object \"%s\" has wrong type, required TObjString", path);
+      }
+    } else {
+      HLTError("can not fetch object \"%s\" from CDB", path);
+    }
+  }
+  return iResult;
+  */
+}
+
+int AliHLTTPCClusterFinderComponent::Configure(const char* arguments){
+  // see header file for class documentation
+  int iResult=0;
+  if (!arguments) return iResult;
+  
+  TString allArgs=arguments;
+  TString argument;
+  int bMissingParam=0;
+
+  TObjArray* pTokens=allArgs.Tokenize(" ");
+  if (pTokens) {
+    
+    for (int i=0; i<pTokens->GetEntries() && iResult>=0; i++) {
+      argument=((TObjString*)pTokens->At(i))->GetString();
+
+      if (argument.IsNull()) continue;
+      
+      // -- deconvolute-time option
+      if (argument.CompareTo("-deconvolute-time")==0){
+       HLTDebug("Switching on deconvolution in time direction.");
+       fDeconvTime = kTRUE;
+       fClusterFinder->SetDeconvTime(fDeconvTime);
+      }
+      else if (argument.CompareTo("-deconvolute-pad")==0){
+       HLTDebug("Switching on deconvolution in pad direction.");
+       fDeconvPad = kTRUE;
+       fClusterFinder->SetDeconvPad(fDeconvPad);
+      }
+      else if (argument.CompareTo("-timebins")==0 || argument.CompareTo("timebins" )==0){
+       HLTWarning("Argument %s is depreciated after moving to the offline AliTPCTransform class for xyz calculations.",argument.Data());
+       /*
+       if ((bMissingParam=(++i>=pTokens->GetEntries()))) break;
+       AliHLTTPCTransform::SetNTimeBins(((TObjString*)pTokens->At(i))->GetString().Atoi());
+       fClusterFinder->UpdateLastTimeBin();
+       HLTInfo("number of timebins set to %d, zbin=%f", AliHLTTPCTransform::GetNTimeBins(), AliHLTTPCTransform::GetZWidth());
+       */
+       if(argument.CompareTo("timebins")==0){
+         HLTWarning("Argument 'timebins' is old, please switch to new argument naming convention (-timebins). The timebins argument will still work, but please change anyway.");
+       }
        
+      }
+      else if (argument.CompareTo("-first-timebin")==0){
+       if ((bMissingParam=(++i>=pTokens->GetEntries()))) break;
+       fFirstTimeBin = ((TObjString*)pTokens->At(i))->GetString().Atoi();
+       if(fFirstTimeBin>=0){
+         HLTDebug("fFirstTimeBin set to %d",fFirstTimeBin);
+         fClusterFinder->SetFirstTimeBin(fFirstTimeBin);
+       }
+       else{
+         HLTError("-first-timebin specifier is negative: %d",fFirstTimeBin);
+       }
+      }
+      else if (argument.CompareTo("-last-timebin")==0){
+       if ((bMissingParam=(++i>=pTokens->GetEntries()))) break;
+       fLastTimeBin = ((TObjString*)pTokens->At(i))->GetString().Atoi();
+       if(fLastTimeBin<AliHLTTPCTransform::GetNTimeBins()){
+         HLTDebug("fLastTimeBin set to %d",fLastTimeBin);
+       }
+       else{
+         HLTError("fLastTimeBins is too big: %d. Maximum: %d",fLastTimeBin,AliHLTTPCTransform::GetNTimeBins());
+       }
+      }
+      else if (argument.CompareTo("-sorted")==0) {
+       fUnsorted=0;
+       HLTDebug("Swithching unsorted off.");
+       fClusterFinder->SetUnsorted(0);
+      }
+      else if (argument.CompareTo("-do-mc")==0) {
+       fDoMC=kTRUE;
+       fClusterFinder->SetDoMC(fDoMC);
+       HLTInfo("Setting fDoMC to true.");
+      }
+      else if (argument.CompareTo("-release-memory")==0) {
+       fReleaseMemory = kTRUE;
+       fClusterFinder->SetReleaseMemory( kTRUE );
+       HLTInfo("Setting fReleaseMemory to true.");
+      }
+      else if (argument.CompareTo("-active-pads")==0 || argument.CompareTo("activepads")==0){
+       if(argument.CompareTo("activepads" )==0){
+         HLTWarning("Please change to new component argument naming scheme and use '-active-pads' instead of 'activepads'");
+       }
+       HLTDebug("Switching on ActivePads");
+       fGetActivePads = 1;
+       fClusterFinder->SetDoPadSelection(kTRUE);
+      }
+      else if (argument.CompareTo("-occupancy-limit")==0 || argument.CompareTo("occupancy-limit")==0){
+       if(argument.CompareTo("occupancy-limit" )==0){
+         HLTWarning("Please switch to new component argument naming convention, use '-occupancy-limit' instead of 'occupancy-limit'");
+       }
+       if ((bMissingParam=(++i>=pTokens->GetEntries()))) break;
+       fClusterFinder->SetOccupancyLimit(((TObjString*)pTokens->At(i))->GetString().Atof());
+       HLTDebug("Occupancy limit set to occulimit %f", ((TObjString*)pTokens->At(i))->GetString().Atof());
+      }
+      else if (argument.CompareTo("rawreadermode")==0){
+       if ((bMissingParam=(++i>=pTokens->GetEntries()))) break;
+       HLTWarning("Argument 'rawreadermode' is deprecated");      
+      }
+      else if (argument.CompareTo("pp-run")==0){
+       HLTWarning("Argument 'pp-run' is obsolete, deconvolution is swiched off in both time and pad directions by default.");
+       fClusterDeconv = false;
+      }
+      else if (argument.CompareTo("adc-threshold" )==0){
+       if ((bMissingParam=(++i>=pTokens->GetEntries()))) break;
+       HLTWarning("'adc-threshold' is no longer a valid argument, please use TPCZeroSuppression component if you want to zerosuppress data.");
+      }
+      else if (argument.CompareTo("oldrcuformat" )==0){
+       if ((bMissingParam=(++i>=pTokens->GetEntries()))) break;
+       HLTWarning("Argument 'oldrcuformat' is deprecated.");
+      }
+      else if (argument.CompareTo("unsorted" )==0){
+       if ((bMissingParam=(++i>=pTokens->GetEntries()))) break;
+       HLTDebug("Using unsorted reading.");
+       fClusterFinder->SetUnsorted(1);
+      }
+      else if (argument.CompareTo("nsigma-threshold")==0){
+       if ((bMissingParam=(++i>=pTokens->GetEntries()))) break;
+       HLTWarning("Argument 'nsigma-threshold' argument is obsolete.");
+      }
+      else if (argument.CompareTo("-update-calibdb")==0){
+       fClusterFinder->UpdateCalibDB();
+      }
+      else {
+       HLTError("unknown argument %s", argument.Data());
+       iResult=-EINVAL;
+       break;
+      }
+    }
+    delete pTokens;
+  }
+  if (bMissingParam) {
+    HLTError("missing parameter for argument %s", argument.Data());
+    iResult=-EINVAL;
+  }
+  return iResult;
+}
+
+void AliHLTTPCClusterFinderComponent::GetOCDBObjectDescription( TMap* const targetMap){
+// Get a list of OCDB object description needed for the particular component
+  
+  if (!targetMap) return;
+  
+  // OCDB entries for component arguments
+  targetMap->Add(new TObjString("HLT/ConfigTPC/TPCClusterFinder32Bit"),    new TObjString("component arguments, empty at the moment"));
+  targetMap->Add(new TObjString("HLT/ConfigTPC/TPCClusterFinderPacked"),   new TObjString("component arguments, empty at the moment"));
+  targetMap->Add(new TObjString("HLT/ConfigTPC/TPCClusterFinderUnpacked"), new TObjString("component arguments, empty at the moment"));
+  targetMap->Add(new TObjString("HLT/ConfigTPC/TPCClusterFinderDecoder"),  new TObjString("component arguments, empty at the moment"));
+  
+  // OCDB entries to be fetched by the TAXI (access via the AliTPCcalibDB class)
+  targetMap->Add(new TObjString("TPC/Calib/Parameters"),    new TObjString("unknown content"));
+  targetMap->Add(new TObjString("TPC/Calib/TimeDrift"),     new TObjString("drift velocity calibration"));
+  targetMap->Add(new TObjString("TPC/Calib/Temperature"),   new TObjString("temperature map"));
+  targetMap->Add(new TObjString("TPC/Calib/PadGainFactor"), new TObjString("gain factor pad by pad"));
+  targetMap->Add(new TObjString("TPC/Calib/ClusterParam"),  new TObjString("cluster parameters"));
+  
+  // OCDB entries needed to be fetched by the Pendolino
+  targetMap->Add(new TObjString("TPC/Calib/AltroConfig"), new TObjString("contains the altro config, e.g. info about the L0 trigger timing"));
+  targetMap->Add(new TObjString("GRP/CTP/CTPtiming"),     new TObjString("content used in the cluster coordinate transformation in relation to the L0 trigger timing"));
+
+  // OCDB entries necessary for replaying data on the HLT cluster
+  targetMap->Add(new TObjString("GRP/GRP/Data"), new TObjString("contains magnetic field info"));  
+  // OCDB entries needed to suppress fatals/errors/warnings during reconstruction
+  targetMap->Add(new TObjString("TPC/Calib/PadTime0"),    new TObjString("time0 offset pad by pad"));
+  targetMap->Add(new TObjString("TPC/Calib/PadNoise"),    new TObjString("pad noise values"));
+  targetMap->Add(new TObjString("TPC/Calib/Pedestals"),   new TObjString("pedestal info"));
+  targetMap->Add(new TObjString("TPC/Calib/Pulser"),      new TObjString("pulser info"));
+  targetMap->Add(new TObjString("TPC/Calib/CE"),          new TObjString("CE laser calibration result"));
+  targetMap->Add(new TObjString("TPC/Calib/Raw"),         new TObjString("unknown content"));
+  targetMap->Add(new TObjString("TPC/Calib/QA"),          new TObjString("not important"));
+  targetMap->Add(new TObjString("TPC/Calib/Mapping"),     new TObjString("unknown content"));
+  targetMap->Add(new TObjString("TPC/Calib/Goofie"),      new TObjString("Goofie values, not used at the moment (05.03.2010)"));
+  targetMap->Add(new TObjString("TPC/Calib/HighVoltage"), new TObjString("high voltage values, not used"));
+  targetMap->Add(new TObjString("TPC/Calib/Ref"),         new TObjString("unknown content"));
+}