[u/mrichter/AliRoot.git] / HLT / TPCLib / AliHLTTPCEsdWriterComponent.cxx

// @(#) $Id$

//**************************************************************************
//* This file is property of and copyright by the ALICE HLT Project        * 
//* ALICE Experiment at CERN, All rights reserved.                         *
//*                                                                        *
//* Primary Authors: Matthias Richter <Matthias.Richter@ift.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   AliHLTTPCEsdWriterComponent.cxx
    @author Matthias Richter
    @date   
    @brief  Writer component to store tracks of the HLT TPC conformal
            mapping tracker in the AliESD format
*/

// see header file for class documentation
// or
// refer to README to build package
// or
// visit http://web.ift.uib.no/~kjeks/doc/alice-hlt

#include <cassert>
#include "AliHLTTPCEsdWriterComponent.h"
#include "AliESDEvent.h"
#include "AliESDtrack.h"
#include "AliCDBEntry.h"
#include "AliCDBManager.h"
#include "TTree.h"
#include "TList.h"
#include "AliHLTTPCTrack.h"
#include "AliHLTTPCTrackArray.h"
#include "AliHLTTPCTrackletDataFormat.h"
#include "AliHLTTPCDefinitions.h"
#include "AliHLTTPCTransform.h"
#include "AliHLTExternalTrackParam.h"
#include "AliHLTKalmanTrack.h"
#include "AliHLTTrackMCLabel.h"

#include <vector>

/** ROOT macro for the implementation of ROOT specific class methods */
ClassImp(AliHLTTPCEsdWriterComponent)

AliHLTTPCEsdWriterComponent::AliHLTTPCEsdWriterComponent()
  :
  fSolenoidBz(0)
{
  // see header file for class documentation
  // or
  // refer to README to build package
  // or
  // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt
}

AliHLTTPCEsdWriterComponent::~AliHLTTPCEsdWriterComponent()
{
  // see header file for class documentation
}

AliHLTTPCEsdWriterComponent::AliWriter::AliWriter()
  :
  fTree(NULL),
  fESD(NULL),
  fBase(new AliHLTTPCEsdWriterComponent)
{
  // see header file for class documentation
  // or
  // refer to README to build package
  // or
  // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt
}

AliHLTTPCEsdWriterComponent::AliWriter::~AliWriter()
{
  // see header file for class documentation
  if (fBase) delete fBase;
  fBase=NULL;
}

void AliHLTTPCEsdWriterComponent::AliWriter::GetInputDataTypes(AliHLTComponentDataTypeList& list)
{
  // see header file for class documentation
  list.push_back(AliHLTTPCDefinitions::fgkTrackSegmentsDataType);
  list.push_back(AliHLTTPCDefinitions::fgkTracksDataType);
  list.push_back( kAliHLTDataTypeTrack|kAliHLTDataOriginTPC );
}

int AliHLTTPCEsdWriterComponent::AliWriter::InitWriter()
{
  // see header file for class documentation
  int iResult=0;
  fESD = new AliESDEvent;
  if (fESD) {
    fESD->CreateStdContent();
    fTree = new TTree("esdTree", "Tree with HLT ESD objects");
    if (fTree) {
      fTree->SetDirectory(0);
      fESD->WriteToTree(fTree);
    }
  }
  if (fTree==NULL) {
    iResult=-ENOMEM;
  }

  if (iResult>=0) {
    iResult=fBase->Reconfigure(NULL, NULL);
  }

  return iResult;
}

int AliHLTTPCEsdWriterComponent::AliWriter::CloseWriter()
{
  // see header file for class documentation
  int iResult=0;
  if (fTree) {
    // the esd structure is written to the user info and is
    // needed in te ReadFromTree method to read all objects correctly
    if (fESD) fTree->GetUserInfo()->Add(fESD);
    WriteObject(kAliHLTVoidEventID, fTree);
    fTree->GetUserInfo()->Clear();
    TTree* pTree=fTree;
    fTree=NULL;
    delete pTree;
  } else {
    HLTWarning("not initialized");
  }

  if (fESD) {
    delete fESD;
  }
  iResult=AliHLTRootFileWriterComponent::CloseWriter();
  return iResult;
}

int AliHLTTPCEsdWriterComponent::AliWriter::DumpEvent( const AliHLTComponentEventData& evtData,
					    const AliHLTComponentBlockData* blocks, 
					    AliHLTComponentTriggerData& /*trigData*/ )
{
  // see header file for class documentation
  int iResult=0;
  TTree* pTree=fTree;
  assert(fBase);
  if (pTree && fBase) {
    if (fESD) {
      AliESDEvent* pESD=fESD;

      iResult=fBase->ProcessBlocks(pTree, pESD, blocks, (int)evtData.fBlockCnt);

    } else {
      iResult=-ENOMEM;
    }
  }
  return iResult;
}

int AliHLTTPCEsdWriterComponent::AliWriter::ScanArgument(int argc, const char** argv)
{
  // see header file for class documentation
  int iResult=AliHLTRootFileWriterComponent::ScanArgument(argc, argv);
  return iResult;
}

int AliHLTTPCEsdWriterComponent::ProcessBlocks(TTree* pTree, AliESDEvent* pESD,
					       const AliHLTComponentBlockData* blocks,
					       int nBlocks, int* pMinSlice,
					       int* pMaxSlice)
{
  // see header file for class documentation

  int iResult=0;
  int iAddedDataBlocks=0;
  
  if (pESD && blocks) {
      pESD->Reset(); 
      pESD->SetMagneticField(fSolenoidBz);
      const AliHLTComponentBlockData* iter = NULL;
      int bIsTrackSegs=0;

      // first read MC information (if present)

      std::map<int,int> mcLabels;

      for (int ndx=0; ndx<nBlocks && iResult>=0; ndx++) {
	iter = blocks+ndx;
	if(iter->fDataType == (kAliHLTDataTypeTrackMC|kAliHLTDataOriginTPC) ) {
	  AliHLTTrackMCData* dataPtr = ( AliHLTTrackMCData* )( iter->fPtr );
	  for( unsigned int il=0; il<dataPtr->fCount; il++ ){
	    AliHLTTrackMCLabel &lab = dataPtr->fLabels[il];
	    mcLabels[lab.fTrackID] = lab.fMCLabel;
	  }
	}
      }


      // do the conversion of tracks

      for (int ndx=0; ndx<nBlocks && iResult>=0; ndx++) {
	iter = blocks+ndx;
	
	if( iter->fDataType == ( kAliHLTDataTypeTrack|kAliHLTDataOriginTPC ) ){	  
	  AliHLTTracksData* dataPtr = ( AliHLTTracksData* ) iter->fPtr;
	  int nTracks = dataPtr->fCount;
	  AliHLTExternalTrackParam* currOutTrack = dataPtr->fTracklets;

	  for( int itr=0; itr<nTracks; itr++ ){
	    AliHLTKalmanTrack t(*currOutTrack);
	    Float_t points[4] = {currOutTrack->fX, currOutTrack->fY, currOutTrack->fLastX, currOutTrack->fLastY };
	    
	    Int_t mcLabel = -1;
	    if( mcLabels.find(currOutTrack->fTrackID)!=mcLabels.end() )
	      mcLabel = mcLabels[currOutTrack->fTrackID];
	    
	    t.SetLabel( mcLabel );
	    
	    AliESDtrack iotrack;
	    iotrack.UpdateTrackParams( &t,AliESDtrack::kTPCin);
	    iotrack.SetTPCPoints(points);
	    pESD->AddTrack(&iotrack);
	    unsigned int dSize = sizeof( AliHLTExternalTrackParam ) + currOutTrack->fNPoints * sizeof( unsigned int );
	    currOutTrack = ( AliHLTExternalTrackParam* )( (( Byte_t * )currOutTrack) + dSize );
	  }
	  iAddedDataBlocks++;
	}

	
	if ( (bIsTrackSegs=(iter->fDataType == AliHLTTPCDefinitions::fgkTrackSegmentsDataType))==1 ||
	     iter->fDataType == AliHLTTPCDefinitions::fgkTracksDataType ) {
	  Int_t minslice=AliHLTTPCDefinitions::GetMinSliceNr(iter->fSpecification);
	  Int_t maxslice=AliHLTTPCDefinitions::GetMaxSliceNr(iter->fSpecification);
	  if (bIsTrackSegs==0) {
	    // slice parameter and data specification ignored, tracks already in global coordinates
	    minslice=-1;
	    maxslice=-1;
	    if (pMinSlice) *pMinSlice=0;
	    if (pMaxSlice) *pMaxSlice=AliHLTTPCTransform::GetNSlice()-1;
	  } else {
	    if (pMinSlice && (*pMinSlice==-1 || *pMinSlice>minslice)) *pMinSlice=minslice;
	    if (pMaxSlice && (*pMaxSlice==-1 || *pMaxSlice<maxslice)) *pMaxSlice=maxslice;
	  }
	  //HLTDebug("dataspec %#x minslice %d", iter->fSpecification, minslice);
	  if (minslice >=-1 && minslice<AliHLTTPCTransform::GetNSlice()) {
	    if (minslice!=maxslice) {
	      HLTWarning("data from multiple sectors in one block: "
			 "possible mismatch in treatment of local coordinate system");
	    }
	    AliHLTTPCTrackArray tracks;
	    AliHLTTPCTrackletData* inPtr = (AliHLTTPCTrackletData*) iter->fPtr;	    
	    HLTDebug("reading block %d (slice %d): %d tracklets", ndx, minslice, inPtr->fTrackletCnt);
	    if ((iResult=tracks.FillTracksChecked(inPtr->fTracklets, inPtr->fTrackletCnt, iter->fSize, minslice, 0/*don't rotate*/))>=0) {
	      if ((iResult=Tracks2ESD(&tracks, pESD ))>=0) {
		iAddedDataBlocks++;
	      }
	    }
	  } else {
	    HLTError("invalid sector number");
	    iResult=-EBADF;
	  }
	}      
      }

      if (iAddedDataBlocks>0 && pTree) {
	pTree->Fill();
      }
  
  } else {
    iResult=-EINVAL;
  }
  if (iResult>=0) iResult=iAddedDataBlocks;
  return iResult;
}


int AliHLTTPCEsdWriterComponent::Tracks2ESD(AliHLTTPCTrackArray* pTracks, AliESDEvent* pESD )
{
  // see header file for class documentation
  int iResult=0;

  if (pTracks && pESD) {    
 
    for (int i=0; i<pTracks->GetNTracks() && iResult>=0; i++) {
      AliHLTTPCTrack* pTrack=(*pTracks)[i];
      if (pTrack) {
	
	if( pTrack->Convert2AliKalmanTrack() ){	  
	  HLTError("conversion to AliKalmanTrack failed for track %d of %d", i, pTracks->GetNTracks());	
	  continue;
	}

	Float_t points[4] = {pTrack->GetFirstPointX(), pTrack->GetFirstPointY(), pTrack->GetLastPointX(), pTrack->GetLastPointY() };

	if(pTrack->GetSector() == -1){ // Set first and last points for global tracks
	  Double_t s = TMath::Sin( pTrack->GetAlpha() );
	  Double_t c = TMath::Cos( pTrack->GetAlpha() );
	  points[0] =  pTrack->GetFirstPointX()*c + pTrack->GetFirstPointY()*s;
	  points[1] = -pTrack->GetFirstPointX()*s + pTrack->GetFirstPointY()*c;	  
	  points[2] =  pTrack->GetLastPointX() *c + pTrack->GetLastPointY() *s;
	  points[3] = -pTrack->GetLastPointX() *s + pTrack->GetLastPointY() *c;	  
	}

	AliESDtrack iotrack;
	iotrack.UpdateTrackParams(pTrack,AliESDtrack::kTPCin);
	iotrack.SetTPCPoints(points);

	pESD->AddTrack(&iotrack);
      } else {
	HLTError("internal mismatch in array");
	iResult=-EFAULT;
      }
    }
    
  } else {
    iResult=-EINVAL;
  }
  return iResult;
}

int AliHLTTPCEsdWriterComponent::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;
      
      if (argument.CompareTo("-solenoidBz")==0) {
	if ((bMissingParam=(++i>=pTokens->GetEntries()))) break;
	HLTInfo("Magnetic Field set to: %s", ((TObjString*)pTokens->At(i))->GetString().Data());
	fSolenoidBz=((TObjString*)pTokens->At(i))->GetString().Atof();
	continue;
      } 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;
}

int AliHLTTPCEsdWriterComponent::Reconfigure(const char* cdbEntry, const char* chainId)
{
  // see header file for class documentation
  int iResult=0;
  const char* path=kAliHLTCDBSolenoidBz;
  const char* defaultNotify="";
  if (cdbEntry) {
    path=cdbEntry;
    defaultNotify=" (default)";
  }
  if (path) {
    HLTInfo("reconfigure from entry %s%s, chain id %s", path, defaultNotify,(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 string: \'%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;
}

AliHLTTPCEsdWriterComponent::AliConverter::AliConverter()
  :
  fESD(NULL),
  fBase(new AliHLTTPCEsdWriterComponent),
  fWriteTree(0)
{
  // see header file for class documentation
  // or
  // refer to README to build package
  // or
  // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt
}

AliHLTTPCEsdWriterComponent::AliConverter::~AliConverter()
{
  // see header file for class documentation
  if (fBase) delete fBase;
  fBase=NULL;

  if (fESD) delete fESD;
  fESD=NULL;
}

void AliHLTTPCEsdWriterComponent::AliConverter::GetInputDataTypes(AliHLTComponentDataTypeList& list)
{
  // see header file for class documentation
  list.push_back(AliHLTTPCDefinitions::fgkTrackSegmentsDataType);
  list.push_back(AliHLTTPCDefinitions::fgkTracksDataType);
}

AliHLTComponentDataType AliHLTTPCEsdWriterComponent::AliConverter::GetOutputDataType()
{
  // see header file for class documentation
  return kAliHLTDataTypeESDTree;
}

void AliHLTTPCEsdWriterComponent::AliConverter::GetOutputDataSize(unsigned long& constBase, double& inputMultiplier)
{
  // see header file for class documentation
  constBase=2000000;
  inputMultiplier=10.0;
}

int AliHLTTPCEsdWriterComponent::AliConverter::DoInit(int argc, const char** argv)
{
  // see header file for class documentation
  int iResult=0;
  TString argument="";
  int bMissingParam=0;
  for (int i=0; i<argc && iResult>=0; i++) {
    argument=argv[i];
    if (argument.IsNull()) continue;

    // -notree
    if (argument.CompareTo("-notree")==0) {
      fWriteTree=0;

      // -tree
    } else if (argument.CompareTo("-tree")==0) {
      fWriteTree=1;

      // -solenoidBz
    } else if (argument.CompareTo("-solenoidBz")==0) {
      TString tmp="-solenoidBz ";
      tmp+=argv[++i];
      fBase->Configure(tmp.Data());
    } else {
      HLTError("unknown argument %s", argument.Data());
      break;
    }
  }
  if (bMissingParam) {
    HLTError("missing parameter for argument %s", argument.Data());
    iResult=-EINVAL;
  }

  if (iResult>=0) {
    iResult=fBase->Reconfigure(NULL, NULL);
  }

  return iResult;
}

int AliHLTTPCEsdWriterComponent::AliConverter::DoDeinit()
{
  // see header file for class documentation
  return 0;
}

int AliHLTTPCEsdWriterComponent::AliConverter::DoEvent(const AliHLTComponentEventData& evtData, 
						       const AliHLTComponentBlockData* blocks, 
						       AliHLTComponentTriggerData& /*trigData*/,
						       AliHLTUInt8_t* /*outputPtr*/, 
						       AliHLTUInt32_t& size,
						       AliHLTComponentBlockDataList& /*outputBlocks*/ )
{
  // see header file for class documentation
  int iResult=0;
  // no direct writing to the output buffer
  size=0;

  assert(fBase);
  if (!fESD) {
    fESD = new AliESDEvent;
    if (fESD) {
      fESD->CreateStdContent();
    } else {
      iResult=-ENOMEM;
    }
  }

  AliESDEvent* pESD = fESD;

  if (pESD && fBase) {
  
    TTree* pTree = NULL;
    // TODO: Matthias 06.12.2007
    // Tried to write the ESD directly instead to a tree, but this did not work
    // out. Information in the ESD is different, needs investigation.
    
    if (fWriteTree)
      pTree = new TTree("esdTree", "Tree with HLT ESD objects");
 
    if (pTree) {
      pTree->SetDirectory(0);
    }

    if ((iResult=fBase->ProcessBlocks(pTree, pESD, blocks, (int)evtData.fBlockCnt))>0) {
      // TODO: set the specification correctly
      if (pTree) {
	// the esd structure is written to the user info and is
	// needed in te ReadFromTree method to read all objects correctly
	pTree->GetUserInfo()->Add(pESD);
	pESD->WriteToTree(pTree);
	iResult=PushBack(pTree, kAliHLTDataTypeESDTree|kAliHLTDataOriginTPC, 0);
      } else {
	iResult=PushBack(pESD, kAliHLTDataTypeESDObject|kAliHLTDataOriginTPC, 0);
      }
    }
    if (pTree) {
      // clear user info list to prevent objects from being deleted
      pTree->GetUserInfo()->Clear();
      delete pTree;
    }
  }
  return iResult;
}
Commit	Line	Data
3cde846d	1	// @(#) $Id$
3cde846d	2
c5123824	3	//**************************************************************************
	4	//* This file is property of and copyright by the ALICE HLT Project *
	5	//* ALICE Experiment at CERN, All rights reserved. *
	6	//* *
	7	//* Primary Authors: Matthias Richter <Matthias.Richter@ift.uib.no> *
	8	//* for The ALICE HLT Project. *
	9	//* *
	10	//* Permission to use, copy, modify and distribute this software and its *
	11	//* documentation strictly for non-commercial purposes is hereby granted *
	12	//* without fee, provided that the above copyright notice appears in all *
	13	//* copies and that both the copyright notice and this permission notice *
	14	//* appear in the supporting documentation. The authors make no claims *
	15	//* about the suitability of this software for any purpose. It is *
	16	//* provided "as is" without express or implied warranty. *
	17	//**************************************************************************
2a083ac4	18
3cde846d	19	/** @file AliHLTTPCEsdWriterComponent.cxx
	20	@author Matthias Richter
	21	@date
	22	@brief Writer component to store tracks of the HLT TPC conformal
	23	mapping tracker in the AliESD format
c5123824	24	*/
3cde846d	25
f32b83e1	26	// see header file for class documentation
	27	// or
	28	// refer to README to build package
	29	// or
	30	// visit http://web.ift.uib.no/~kjeks/doc/alice-hlt
	31
37513ae4	32	#include <cassert>
3cde846d	33	#include "AliHLTTPCEsdWriterComponent.h"
af885e0f	34	#include "AliESDEvent.h"
d523f52c	35	#include "AliESDtrack.h"
90c37647	36	#include "AliCDBEntry.h"
90c37647	37	#include "AliCDBManager.h"
3cde846d	38	#include "TTree.h"
62ff1e23	39	#include "TList.h"
3cde846d	40	#include "AliHLTTPCTrack.h"
	41	#include "AliHLTTPCTrackArray.h"
	42	#include "AliHLTTPCTrackletDataFormat.h"
	43	#include "AliHLTTPCDefinitions.h"
37513ae4	44	#include "AliHLTTPCTransform.h"
be7c7c2b	45	#include "AliHLTExternalTrackParam.h"
be7c7c2b	46	#include "AliHLTKalmanTrack.h"
ae94e242	47	#include "AliHLTTrackMCLabel.h"
ae94e242	48
deba5d85	49	#include <vector>
3cde846d	50
3cde846d	51	/** ROOT macro for the implementation of ROOT specific class methods */
	52	ClassImp(AliHLTTPCEsdWriterComponent)
	53
	54	AliHLTTPCEsdWriterComponent::AliHLTTPCEsdWriterComponent()
90c37647	55	:
ae94e242	56	fSolenoidBz(0)
37513ae4	57	{
	58	// see header file for class documentation
	59	// or
	60	// refer to README to build package
	61	// or
	62	// visit http://web.ift.uib.no/~kjeks/doc/alice-hlt
	63	}
	64
	65	AliHLTTPCEsdWriterComponent::~AliHLTTPCEsdWriterComponent()
	66	{
	67	// see header file for class documentation
	68	}
	69
	70	AliHLTTPCEsdWriterComponent::AliWriter::AliWriter()
3cde846d	71	:
3cde846d	72	fTree(NULL),
37513ae4	73	fESD(NULL),
37513ae4	74	fBase(new AliHLTTPCEsdWriterComponent)
3cde846d	75	{
2a083ac4	76	// see header file for class documentation
	77	// or
	78	// refer to README to build package
	79	// or
	80	// visit http://web.ift.uib.no/~kjeks/doc/alice-hlt
3cde846d	81	}
3cde846d	82
37513ae4	83	AliHLTTPCEsdWriterComponent::AliWriter::~AliWriter()
	84	{
	85	// see header file for class documentation
	86	if (fBase) delete fBase;
	87	fBase=NULL;
	88	}
	89
	90	void AliHLTTPCEsdWriterComponent::AliWriter::GetInputDataTypes(AliHLTComponentDataTypeList& list)
3cde846d	91	{
2a083ac4	92	// see header file for class documentation
37513ae4	93	list.push_back(AliHLTTPCDefinitions::fgkTrackSegmentsDataType);
8f471af0	94	list.push_back(AliHLTTPCDefinitions::fgkTracksDataType);
ae94e242	95	list.push_back( kAliHLTDataTypeTrack\|kAliHLTDataOriginTPC );
3cde846d	96	}
3cde846d	97
37513ae4	98	int AliHLTTPCEsdWriterComponent::AliWriter::InitWriter()
3cde846d	99	{
2a083ac4	100	// see header file for class documentation
3cde846d	101	int iResult=0;
af885e0f	102	fESD = new AliESDEvent;
3cde846d	103	if (fESD) {
76e61c6e	104	fESD->CreateStdContent();
3cde846d	105	fTree = new TTree("esdTree", "Tree with HLT ESD objects");
3cde846d	106	if (fTree) {
68f62aaa	107	fTree->SetDirectory(0);
af885e0f	108	fESD->WriteToTree(fTree);
3cde846d	109	}
3cde846d	110	}
	111	if (fTree==NULL) {
	112	iResult=-ENOMEM;
	113	}
90c37647	114
	115	if (iResult>=0) {
	116	iResult=fBase->Reconfigure(NULL, NULL);
	117	}
	118
3cde846d	119	return iResult;
	120	}
	121
37513ae4	122	int AliHLTTPCEsdWriterComponent::AliWriter::CloseWriter()
3cde846d	123	{
2a083ac4	124	// see header file for class documentation
3cde846d	125	int iResult=0;
3cde846d	126	if (fTree) {
62ff1e23	127	// the esd structure is written to the user info and is
	128	// needed in te ReadFromTree method to read all objects correctly
	129	if (fESD) fTree->GetUserInfo()->Add(fESD);
3cde846d	130	WriteObject(kAliHLTVoidEventID, fTree);
62ff1e23	131	fTree->GetUserInfo()->Clear();
3cde846d	132	TTree* pTree=fTree;
	133	fTree=NULL;
	134	delete pTree;
	135	} else {
	136	HLTWarning("not initialized");
	137	}
62ff1e23	138
	139	if (fESD) {
	140	delete fESD;
	141	}
2a083ac4	142	iResult=AliHLTRootFileWriterComponent::CloseWriter();
2a083ac4	143	return iResult;
3cde846d	144	}
3cde846d	145
37513ae4	146	int AliHLTTPCEsdWriterComponent::AliWriter::DumpEvent( const AliHLTComponentEventData& evtData,
3cde846d	147	const AliHLTComponentBlockData* blocks,
5d2abf3b	148	AliHLTComponentTriggerData& /trigData/ )
3cde846d	149	{
2a083ac4	150	// see header file for class documentation
3cde846d	151	int iResult=0;
3cde846d	152	TTree* pTree=fTree;
37513ae4	153	assert(fBase);
37513ae4	154	if (pTree && fBase) {
3cde846d	155	if (fESD) {
af885e0f	156	AliESDEvent* pESD=fESD;
3cde846d	157
37513ae4	158	iResult=fBase->ProcessBlocks(pTree, pESD, blocks, (int)evtData.fBlockCnt);
	159
	160	} else {
	161	iResult=-ENOMEM;
	162	}
	163	}
	164	return iResult;
	165	}
	166
	167	int AliHLTTPCEsdWriterComponent::AliWriter::ScanArgument(int argc, const char** argv)
	168	{
	169	// see header file for class documentation
	170	int iResult=AliHLTRootFileWriterComponent::ScanArgument(argc, argv);
	171	return iResult;
	172	}
	173
	174	int AliHLTTPCEsdWriterComponent::ProcessBlocks(TTree* pTree, AliESDEvent* pESD,
	175	const AliHLTComponentBlockData* blocks,
	176	int nBlocks, int* pMinSlice,
	177	int* pMaxSlice)
	178	{
	179	// see header file for class documentation
eb30eb49	180
37513ae4	181	int iResult=0;
b94794a7	182	int iAddedDataBlocks=0;
ae94e242	183
a978c0d5	184	if (pESD && blocks) {
eb30eb49	185	pESD->Reset();
90c37647	186	pESD->SetMagneticField(fSolenoidBz);
3cde846d	187	const AliHLTComponentBlockData* iter = NULL;
de554e07	188	int bIsTrackSegs=0;
025ba4dc	189
ae94e242	190	// first read MC information (if present)
	191
	192	std::map<int,int> mcLabels;
	193
37513ae4	194	for (int ndx=0; ndx<nBlocks && iResult>=0; ndx++) {
3cde846d	195	iter = blocks+ndx;
ae94e242	196	if(iter->fDataType == (kAliHLTDataTypeTrackMC\|kAliHLTDataOriginTPC) ) {
	197	AliHLTTrackMCData* dataPtr = ( AliHLTTrackMCData* )( iter->fPtr );
	198	for( unsigned int il=0; il<dataPtr->fCount; il++ ){
	199	AliHLTTrackMCLabel &lab = dataPtr->fLabels[il];
	200	mcLabels[lab.fTrackID] = lab.fMCLabel;
27ed2b1e	201	}
deba5d85	202	}
025ba4dc	203	}
ae94e242	204
025ba4dc	205
025ba4dc	206	// do the conversion of tracks
be7c7c2b	207
025ba4dc	208	for (int ndx=0; ndx<nBlocks && iResult>=0; ndx++) {
025ba4dc	209	iter = blocks+ndx;
be7c7c2b	210
	211	if( iter->fDataType == ( kAliHLTDataTypeTrack\|kAliHLTDataOriginTPC ) ){
	212	AliHLTTracksData* dataPtr = ( AliHLTTracksData* ) iter->fPtr;
	213	int nTracks = dataPtr->fCount;
	214	AliHLTExternalTrackParam* currOutTrack = dataPtr->fTracklets;
ae94e242	215
be7c7c2b	216	for( int itr=0; itr<nTracks; itr++ ){
	217	AliHLTKalmanTrack t(*currOutTrack);
	218	Float_t points[4] = {currOutTrack->fX, currOutTrack->fY, currOutTrack->fLastX, currOutTrack->fLastY };
ae94e242	219
	220	Int_t mcLabel = -1;
	221	if( mcLabels.find(currOutTrack->fTrackID)!=mcLabels.end() )
	222	mcLabel = mcLabels[currOutTrack->fTrackID];
	223
be7c7c2b	224	t.SetLabel( mcLabel );
	225
	226	AliESDtrack iotrack;
	227	iotrack.UpdateTrackParams( &t,AliESDtrack::kTPCin);
	228	iotrack.SetTPCPoints(points);
	229	pESD->AddTrack(&iotrack);
	230	unsigned int dSize = sizeof( AliHLTExternalTrackParam ) + currOutTrack->fNPoints * sizeof( unsigned int );
	231	currOutTrack = ( AliHLTExternalTrackParam* )( (( Byte_t * )currOutTrack) + dSize );
	232	}
ae94e242	233	iAddedDataBlocks++;
be7c7c2b	234	}
	235
	236
96bda103	237	if ( (bIsTrackSegs=(iter->fDataType == AliHLTTPCDefinitions::fgkTrackSegmentsDataType))==1 \|\|
96bda103	238	iter->fDataType == AliHLTTPCDefinitions::fgkTracksDataType ) {
4fdaad1e	239	Int_t minslice=AliHLTTPCDefinitions::GetMinSliceNr(iter->fSpecification);
4fdaad1e	240	Int_t maxslice=AliHLTTPCDefinitions::GetMaxSliceNr(iter->fSpecification);
de554e07	241	if (bIsTrackSegs==0) {
de554e07	242	// slice parameter and data specification ignored, tracks already in global coordinates
b09663cd	243	minslice=-1;
b09663cd	244	maxslice=-1;
37513ae4	245	if (pMinSlice) *pMinSlice=0;
	246	if (pMaxSlice) *pMaxSlice=AliHLTTPCTransform::GetNSlice()-1;
	247	} else {
	248	if (pMinSlice && (pMinSlice==-1 \|\| pMinSlice>minslice)) *pMinSlice=minslice;
	249	if (pMaxSlice && (pMaxSlice==-1 \|\| pMaxSlice<maxslice)) *pMaxSlice=maxslice;
de554e07	250	}
51df4d13	251	//HLTDebug("dataspec %#x minslice %d", iter->fSpecification, minslice);
37513ae4	252	if (minslice >=-1 && minslice<AliHLTTPCTransform::GetNSlice()) {
4fdaad1e	253	if (minslice!=maxslice) {
4fdaad1e	254	HLTWarning("data from multiple sectors in one block: "
c5123824	255	"possible mismatch in treatment of local coordinate system");
4fdaad1e	256	}
4fdaad1e	257	AliHLTTPCTrackArray tracks;
be7c7c2b	258	AliHLTTPCTrackletData* inPtr = (AliHLTTPCTrackletData*) iter->fPtr;
4fdaad1e	259	HLTDebug("reading block %d (slice %d): %d tracklets", ndx, minslice, inPtr->fTrackletCnt);
febeb705	260	if ((iResult=tracks.FillTracksChecked(inPtr->fTracklets, inPtr->fTrackletCnt, iter->fSize, minslice, 0/don't rotate/))>=0) {
be7c7c2b	261	if ((iResult=Tracks2ESD(&tracks, pESD ))>=0) {
b94794a7	262	iAddedDataBlocks++;
febeb705	263	}
3cde846d	264	}
3cde846d	265	} else {
4fdaad1e	266	HLTError("invalid sector number");
4fdaad1e	267	iResult=-EBADF;
3cde846d	268	}
6edb0fb5	269	}
	270	}
	271
51df4d13	272	if (iAddedDataBlocks>0 && pTree) {
4fdaad1e	273	pTree->Fill();
4fdaad1e	274	}
6edb0fb5	275
37513ae4	276	} else {
37513ae4	277	iResult=-EINVAL;
3cde846d	278	}
b94794a7	279	if (iResult>=0) iResult=iAddedDataBlocks;
3cde846d	280	return iResult;
	281	}
	282
be7c7c2b	283
be7c7c2b	284	int AliHLTTPCEsdWriterComponent::Tracks2ESD(AliHLTTPCTrackArray* pTracks, AliESDEvent* pESD )
3cde846d	285	{
2a083ac4	286	// see header file for class documentation
3cde846d	287	int iResult=0;
6edb0fb5	288
eb30eb49	289	if (pTracks && pESD) {
deba5d85	290
3cde846d	291	for (int i=0; i<pTracks->GetNTracks() && iResult>=0; i++) {
	292	AliHLTTPCTrack* pTrack=(*pTracks)[i];
	293	if (pTrack) {
27ed2b1e	294
deba5d85	295	if( pTrack->Convert2AliKalmanTrack() ){
	296	HLTError("conversion to AliKalmanTrack failed for track %d of %d", i, pTracks->GetNTracks());
	297	continue;
	298	}
eb30eb49	299
deba5d85	300	Float_t points[4] = {pTrack->GetFirstPointX(), pTrack->GetFirstPointY(), pTrack->GetLastPointX(), pTrack->GetLastPointY() };
eb30eb49	301
	302	if(pTrack->GetSector() == -1){ // Set first and last points for global tracks
	303	Double_t s = TMath::Sin( pTrack->GetAlpha() );
	304	Double_t c = TMath::Cos( pTrack->GetAlpha() );
	305	points[0] = pTrack->GetFirstPointX()c + pTrack->GetFirstPointY()s;
	306	points[1] = -pTrack->GetFirstPointX()s + pTrack->GetFirstPointY()c;
	307	points[2] = pTrack->GetLastPointX() c + pTrack->GetLastPointY() s;
	308	points[3] = -pTrack->GetLastPointX() s + pTrack->GetLastPointY() c;
	309	}
deba5d85	310
7467680a	311	AliESDtrack iotrack;
	312	iotrack.UpdateTrackParams(pTrack,AliESDtrack::kTPCin);
	313	iotrack.SetTPCPoints(points);
deba5d85	314
27ed2b1e	315	pESD->AddTrack(&iotrack);
3cde846d	316	} else {
c5123824	317	HLTError("internal mismatch in array");
3cde846d	318	iResult=-EFAULT;
	319	}
	320	}
	321
	322	} else {
	323	iResult=-EINVAL;
	324	}
	325	return iResult;
	326	}
37513ae4	327
90c37647	328	int AliHLTTPCEsdWriterComponent::Configure(const char* arguments)
	329	{
	330	// see header file for class documentation
	331	int iResult=0;
	332	if (!arguments) return iResult;
	333
	334	TString allArgs=arguments;
	335	TString argument;
	336	int bMissingParam=0;
	337
	338	TObjArray* pTokens=allArgs.Tokenize(" ");
	339	if (pTokens) {
	340	for (int i=0; i<pTokens->GetEntries() && iResult>=0; i++) {
	341	argument=((TObjString*)pTokens->At(i))->GetString();
	342	if (argument.IsNull()) continue;
	343
	344	if (argument.CompareTo("-solenoidBz")==0) {
	345	if ((bMissingParam=(++i>=pTokens->GetEntries()))) break;
	346	HLTInfo("Magnetic Field set to: %s", ((TObjString*)pTokens->At(i))->GetString().Data());
	347	fSolenoidBz=((TObjString*)pTokens->At(i))->GetString().Atof();
	348	continue;
	349	} else {
	350	HLTError("unknown argument %s", argument.Data());
	351	iResult=-EINVAL;
	352	break;
	353	}
	354	}
	355	delete pTokens;
	356	}
	357	if (bMissingParam) {
	358	HLTError("missing parameter for argument %s", argument.Data());
	359	iResult=-EINVAL;
	360	}
	361
	362	return iResult;
	363	}
	364
	365	int AliHLTTPCEsdWriterComponent::Reconfigure(const char* cdbEntry, const char* chainId)
	366	{
	367	// see header file for class documentation
	368	int iResult=0;
1ac82ce6	369	const char* path=kAliHLTCDBSolenoidBz;
90c37647	370	const char* defaultNotify="";
	371	if (cdbEntry) {
	372	path=cdbEntry;
	373	defaultNotify=" (default)";
	374	}
	375	if (path) {
	376	HLTInfo("reconfigure from entry %s%s, chain id %s", path, defaultNotify,(chainId!=NULL && chainId[0]!=0)?chainId:"<none>");
	377	AliCDBEntry pEntry = AliCDBManager::Instance()->Get(path/,GetRunNo()*/);
	378	if (pEntry) {
	379	TObjString* pString=dynamic_cast<TObjString*>(pEntry->GetObject());
	380	if (pString) {
	381	HLTInfo("received configuration object string: \'%s\'", pString->GetString().Data());
	382	iResult=Configure(pString->GetString().Data());
	383	} else {
	384	HLTError("configuration object \"%s\" has wrong type, required TObjString", path);
	385	}
	386	} else {
	387	HLTError("can not fetch object \"%s\" from CDB", path);
	388	}
	389	}
	390
	391	return iResult;
	392	}
	393
37513ae4	394	AliHLTTPCEsdWriterComponent::AliConverter::AliConverter()
37513ae4	395	:
0f836349	396	fESD(NULL),
a978c0d5	397	fBase(new AliHLTTPCEsdWriterComponent),
51df4d13	398	fWriteTree(0)
37513ae4	399	{
	400	// see header file for class documentation
	401	// or
	402	// refer to README to build package
	403	// or
51df4d13	404	// visit http://web.ift.uib.no/~kjeks/doc/alice-hlt
51df4d13	405	}
37513ae4	406
	407	AliHLTTPCEsdWriterComponent::AliConverter::~AliConverter()
	408	{
	409	// see header file for class documentation
	410	if (fBase) delete fBase;
	411	fBase=NULL;
0f836349	412
	413	if (fESD) delete fESD;
	414	fESD=NULL;
37513ae4	415	}
	416
	417	void AliHLTTPCEsdWriterComponent::AliConverter::GetInputDataTypes(AliHLTComponentDataTypeList& list)
	418	{
	419	// see header file for class documentation
	420	list.push_back(AliHLTTPCDefinitions::fgkTrackSegmentsDataType);
8f471af0	421	list.push_back(AliHLTTPCDefinitions::fgkTracksDataType);
37513ae4	422	}
	423
	424	AliHLTComponentDataType AliHLTTPCEsdWriterComponent::AliConverter::GetOutputDataType()
	425	{
	426	// see header file for class documentation
	427	return kAliHLTDataTypeESDTree;
	428	}
	429
	430	void AliHLTTPCEsdWriterComponent::AliConverter::GetOutputDataSize(unsigned long& constBase, double& inputMultiplier)
	431	{
	432	// see header file for class documentation
62ff1e23	433	constBase=2000000;
62ff1e23	434	inputMultiplier=10.0;
37513ae4	435	}
	436
	437	int AliHLTTPCEsdWriterComponent::AliConverter::DoInit(int argc, const char** argv)
	438	{
	439	// see header file for class documentation
a978c0d5	440	int iResult=0;
	441	TString argument="";
	442	int bMissingParam=0;
	443	for (int i=0; i<argc && iResult>=0; i++) {
	444	argument=argv[i];
	445	if (argument.IsNull()) continue;
	446
	447	// -notree
	448	if (argument.CompareTo("-notree")==0) {
	449	fWriteTree=0;
	450
	451	// -tree
	452	} else if (argument.CompareTo("-tree")==0) {
	453	fWriteTree=1;
	454
51df4d13	455	// -solenoidBz
51df4d13	456	} else if (argument.CompareTo("-solenoidBz")==0) {
eb30eb49	457	TString tmp="-solenoidBz ";
	458	tmp+=argv[++i];
	459	fBase->Configure(tmp.Data());
51df4d13	460	} else {
a978c0d5	461	HLTError("unknown argument %s", argument.Data());
	462	break;
	463	}
	464	}
	465	if (bMissingParam) {
	466	HLTError("missing parameter for argument %s", argument.Data());
	467	iResult=-EINVAL;
	468	}
	469
90c37647	470	if (iResult>=0) {
90c37647	471	iResult=fBase->Reconfigure(NULL, NULL);
51df4d13	472	}
90c37647	473
a978c0d5	474	return iResult;
37513ae4	475	}
	476
	477	int AliHLTTPCEsdWriterComponent::AliConverter::DoDeinit()
	478	{
	479	// see header file for class documentation
	480	return 0;
	481	}
	482
	483	int AliHLTTPCEsdWriterComponent::AliConverter::DoEvent(const AliHLTComponentEventData& evtData,
	484	const AliHLTComponentBlockData* blocks,
	485	AliHLTComponentTriggerData& /trigData/,
	486	AliHLTUInt8_t* /outputPtr/,
53f79557	487	AliHLTUInt32_t& size,
37513ae4	488	AliHLTComponentBlockDataList& /outputBlocks/ )
51df4d13	489	{
37513ae4	490	// see header file for class documentation
37513ae4	491	int iResult=0;
53f79557	492	// no direct writing to the output buffer
	493	size=0;
	494
37513ae4	495	assert(fBase);
0f836349	496	if (!fESD) {
	497	fESD = new AliESDEvent;
	498	if (fESD) {
	499	fESD->CreateStdContent();
	500	} else {
	501	iResult=-ENOMEM;
	502	}
	503	}
	504
	505	AliESDEvent* pESD = fESD;
eb30eb49	506
37513ae4	507	if (pESD && fBase) {
eb30eb49	508
a978c0d5	509	TTree* pTree = NULL;
	510	// TODO: Matthias 06.12.2007
	511	// Tried to write the ESD directly instead to a tree, but this did not work
	512	// out. Information in the ESD is different, needs investigation.
eb30eb49	513
a978c0d5	514	if (fWriteTree)
a978c0d5	515	pTree = new TTree("esdTree", "Tree with HLT ESD objects");
eb30eb49	516
37513ae4	517	if (pTree) {
68f62aaa	518	pTree->SetDirectory(0);
a978c0d5	519	}
37513ae4	520
b94794a7	521	if ((iResult=fBase->ProcessBlocks(pTree, pESD, blocks, (int)evtData.fBlockCnt))>0) {
eb30eb49	522	// TODO: set the specification correctly
62ff1e23	523	if (pTree) {
	524	// the esd structure is written to the user info and is
	525	// needed in te ReadFromTree method to read all objects correctly
	526	pTree->GetUserInfo()->Add(pESD);
10c15f49	527	pESD->WriteToTree(pTree);
37513ae4	528	iResult=PushBack(pTree, kAliHLTDataTypeESDTree\|kAliHLTDataOriginTPC, 0);
62ff1e23	529	} else {
a978c0d5	530	iResult=PushBack(pESD, kAliHLTDataTypeESDObject\|kAliHLTDataOriginTPC, 0);
62ff1e23	531	}
37513ae4	532	}
62ff1e23	533	if (pTree) {
	534	// clear user info list to prevent objects from being deleted
	535	pTree->GetUserInfo()->Clear();
a978c0d5	536	delete pTree;
62ff1e23	537	}
37513ae4	538	}
	539	return iResult;
	540	}
	541