[u/mrichter/AliRoot.git] / MUON / AliMUONReAlignTask.cxx

//-----------------------------------------------------------------------------
/// \class AliMUONReAlignTask
/// AliAnalysisTask to realign the MUON spectrometer.
/// The Task reads as input ESDs moves the clusters of a MUONTrack acoording
/// to the re aligned geometry taken from a misalignment file in the OCDB 
/// and refit the track. Then it produces a AliMUONClusterInfo object for each
/// cluster. The output is a TTree of AliMUONClusterInfo
///
/// \author Javier Castillo, CEA/Saclay - Irfu/SPhN
//-----------------------------------------------------------------------------

#include <fstream>

#include <TString.h>
#include <TError.h>
#include <TTree.h>
#include <TChain.h>
#include <TClonesArray.h>
#include <TRandom.h>
#include <TGeoGlobalMagField.h>
#include <TGeoManager.h>
#include <Riostream.h>

#include "AliAnalysisTask.h"
#include "AliAnalysisManager.h"
#include "AliESDInputHandler.h"
#include "AliESDEvent.h"
#include "AliESDMuonTrack.h"
#include "AliMagF.h"
#include "AliCDBManager.h"
#include "AliGeomManager.h"

#include "AliMpConstants.h"
#include "AliMpCDB.h"
#include "AliMpSegmentation.h"
#include "AliMpVSegmentation.h"
#include "AliMpPad.h"
#include "AliMUONCalibrationData.h"
#include "AliMUONVCalibParam.h"
#include "AliMUONPadInfo.h"
#include "AliMUONClusterInfo.h"
#include "AliMUONRecoParam.h"
#include "AliMUONESDInterface.h"
#include "AliMUONRefitter.h"
#include "AliMUONRecoParam.h"
#include "AliMUONVDigit.h"
#include "AliMUONVCluster.h"
#include "AliMUONTrack.h"
#include "AliMUONVTrackStore.h"
#include "AliMUONVDigitStore.h"
#include "AliMUONTrackParam.h"
#include "AliMUONTrackExtrap.h"
#include "AliMUONGeometryTransformer.h"

#include "AliMUONReAlignTask.h"

///\cond CLASSIMP   
ClassImp(AliMUONReAlignTask)
///\endcond

//________________________________________________________________________
AliMUONReAlignTask::AliMUONReAlignTask(const char *name, const char *geofilename, const char *defaultocdb, const char *misalignocdb) 
  : AliAnalysisTask(name, ""),
    fESD(0x0),
    fClusterInfoTree(0x0),
    fClusterInfo(0x0),
    fESDInterface(0x0),
    fRefitter(0x0),
    fRecoParam(0x0),
    fGeoFilename(geofilename),
    fMisAlignOCDB(misalignocdb),
    fDefaultOCDB(defaultocdb),
    fGeoTransformer(0x0),
    fNewGeoTransformer(0x0),
    fGainStore(0x0),
    fPedStore(0x0),
    fPrintLevel(0),
    fLastRun(-1)
{
  /// Default Constructor
  // Define input and output slots here
  // Input slot #0 works with a TChain
  DefineInput(0, TChain::Class());
  // Output slot #0 writes a TTree
  DefineOutput(0, TTree::Class());

  fClusterInfo = new AliMUONClusterInfo();
  fESDInterface = new AliMUONESDInterface();
  fGeoTransformer = new AliMUONGeometryTransformer();
  fNewGeoTransformer = new AliMUONGeometryTransformer();
}

//________________________________________________________________________
AliMUONReAlignTask::AliMUONReAlignTask(const AliMUONReAlignTask& obj)
  : AliAnalysisTask(obj),
    fESD(0x0),
    fClusterInfoTree(0x0),
    fClusterInfo(0x0),
    fESDInterface(0x0),
    fRefitter(0x0),
    fRecoParam(0x0),
    fGeoFilename(""),
    fMisAlignOCDB(""),
    fDefaultOCDB(""),
    fGeoTransformer(0x0),
    fNewGeoTransformer(0x0),
    fGainStore(0x0),
    fPedStore(0x0),
    fPrintLevel(0),
    fLastRun(-1)
{
  /// Copy constructor
  fESD = obj.fESD;
  fClusterInfoTree = obj.fClusterInfoTree;
  fClusterInfo = obj.fClusterInfo;
  fESDInterface = obj.fESDInterface;
  fRefitter = obj.fRefitter;
  fRecoParam = obj.fRecoParam;
  fGeoFilename = obj.fGeoFilename;
  fMisAlignOCDB = obj.fMisAlignOCDB;
  fDefaultOCDB = obj.fDefaultOCDB;
  fGeoTransformer = obj.fGeoTransformer;
  fNewGeoTransformer = obj.fNewGeoTransformer;
  fGainStore = obj.fGainStore;
  fPedStore = obj.fPedStore;
  fPrintLevel = obj.fPrintLevel;
  fLastRun = obj.fLastRun;
}

//________________________________________________________________________________
AliMUONReAlignTask& AliMUONReAlignTask::operator=(const AliMUONReAlignTask& other)
{
  /// Assignment
  AliAnalysisTask::operator=(other);
  fESD = other.fESD;
  fClusterInfoTree = other.fClusterInfoTree;
  fClusterInfo = other.fClusterInfo;
  fESDInterface = other.fESDInterface;
  fRefitter = other.fRefitter;
  fRecoParam = other.fRecoParam;
  fGeoFilename = other.fGeoFilename;
  fMisAlignOCDB = other.fMisAlignOCDB;
  fDefaultOCDB = other.fDefaultOCDB;
  fGeoTransformer = other.fGeoTransformer;
  fNewGeoTransformer = other.fNewGeoTransformer;
  fGainStore = other.fGainStore;
  fPedStore = other.fPedStore;
  fPrintLevel = other.fPrintLevel;
  fLastRun = other.fLastRun;

  return *this;
} 


//________________________________________________________________________
AliMUONReAlignTask::~AliMUONReAlignTask() 
{ 
  /// Destructor
  if (fESDInterface) delete fESDInterface;
  if (fGeoTransformer) delete fGeoTransformer;
  if (fNewGeoTransformer) delete fNewGeoTransformer;
}

//________________________________________________________________________
void AliMUONReAlignTask::LocalInit() 
{
  /// Local initialization, called once per task on the client machine 
  /// where the analysis train is assembled
  AliMpCDB::LoadMpSegmentation();

  // prepare the refitting
  gRandom->SetSeed(0);
  Prepare(fGeoFilename.Data(),fDefaultOCDB.Data(),fMisAlignOCDB.Data());

  fRefitter = new AliMUONRefitter(fRecoParam);
  fRefitter->Connect(fESDInterface);
  
  // Original geotransformer
  fGeoTransformer->LoadGeometryData();   
  // Apply mis alignments
  AliGeomManager::ApplyAlignObjsFromCDB("MUON");    
  // New geotransformer
  fNewGeoTransformer->LoadGeometryData();   
  
}

//________________________________________________________________________
void AliMUONReAlignTask::ConnectInputData(Option_t *) 
{
  /// Connect ESD here. Called on each input data change.
  // Connect ESD here
  TTree* esdTree = dynamic_cast<TTree*> (GetInputData(0));
  if (!esdTree) {
    Printf("ERROR: Could not read chain from input slot 0");
  } 
  else {
    AliESDInputHandler *esdH = dynamic_cast<AliESDInputHandler*> (AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler());   
    if (!esdH) {
      Printf("ERROR: Could not get ESDInputHandler");
    } 
    else {
      fESD = esdH->GetEvent();
    }
  }
}

//________________________________________________________________________
void AliMUONReAlignTask::CreateOutputObjects()
{
  /// Executed once on each worker (machine actually running the analysis code)
  //
  // This method has to be called INSIDE the user redefined CreateOutputObjects
  // method, before creating each object corresponding to the output containers
  // that are to be written to a file. This need to be done in general for the big output
  // objects that may not fit memory during processing. 
  OpenFile(0); 
  
  fClusterInfoTree = new TTree("clusterInfoTree","clusterInfoTree");
  fClusterInfoTree->Branch("clusterInfo", &fClusterInfo, 32000, 99);

}

//________________________________________________________________________
void AliMUONReAlignTask::Exec(Option_t *) 
{
  /// Main loop, called for each event
  if (!fESD) {
    Printf("ERROR: fESD not available");
    return;
  }

  // Prepare Gain and Pedestal store
  if (!fGainStore || fLastRun!=fESD->GetRunNumber()){
    fGainStore = AliMUONCalibrationData::CreateGains(fESD->GetRunNumber());
    fLastRun = fESD->GetRunNumber();
  }
  if (!fPedStore || fLastRun!=fESD->GetRunNumber()){
    fPedStore = AliMUONCalibrationData::CreatePedestals(fESD->GetRunNumber());
    fLastRun = fESD->GetRunNumber();
  }

  AliMUONPadInfo padInfo;

  Int_t nTracks = (Int_t)fESD->GetNumberOfMuonTracks();
  if (nTracks < 1) return;
  
  // load the current event
  fESDInterface->LoadEvent(*fESD);
  AliMUONVDigitStore* digitStore = fESDInterface->GetDigits();

  Double_t lX = 0.;
  Double_t lY = 0.;
  Double_t lZ = 0.;
  Double_t gX = 0.;
  Double_t gY = 0.;
  Double_t gZ = 0.;
  // loop over cluster to modify their position
  AliMUONVCluster *cluster;
  TIter next(fESDInterface->CreateClusterIterator());
  while ((cluster = static_cast<AliMUONVCluster*>(next()))) {
    //       cout << "Original cluster" << endl;
    //       cluster->Print();
    gX = cluster->GetX();
    gY = cluster->GetY();
    gZ = cluster->GetZ();
    fGeoTransformer->Global2Local(cluster->GetDetElemId(),gX,gY,gZ,lX,lY,lZ);
    fNewGeoTransformer->Local2Global(cluster->GetDetElemId(),lX,lY,lZ,gX,gY,gZ);
    cluster->SetXYZ(gX,gY,gZ);
    //       cout << "Aligned cluster" << endl;
    //       cluster->Print();
  }

  // refit the tracks from digits
  AliMUONVTrackStore* newTrackStore = fRefitter->ReconstructFromClusters();
    
  //----------------------------------------------//
  // ------ fill new ESD and print results ------ //
  //----------------------------------------------//
  // loop over the list of ESD tracks
  TClonesArray *esdTracks = (TClonesArray*) fESD->FindListObject("MuonTracks");
  for (Int_t iTrack = 0; iTrack <  nTracks; iTrack++) {      
    // get the ESD track
    AliESDMuonTrack* esdTrack = (AliESDMuonTrack*) esdTracks->UncheckedAt(iTrack);
    
    // skip ghost tracks (leave them unchanged in the new ESD file)
    if (!esdTrack->ContainTrackerData()) continue;
      
    // get the corresponding MUON track
    AliMUONTrack* track = fESDInterface->FindTrack(esdTrack->GetUniqueID());
      
    // Find the corresponding re-fitted MUON track
    AliMUONTrack* newTrack = (AliMUONTrack*) newTrackStore->FindObject(esdTrack->GetUniqueID());
    
//     // replace the content of the current ESD track or remove it if the refitting has failed
//     if (newTrack) {
//       Double_t vertex[3] = {esdTrack->GetNonBendingCoor(), esdTrack->GetBendingCoor(), esdTrack->GetZ()};
//       AliMUONESDInterface::MUONToESD(*newTrack, *esdTrack, vertex, esdInterface.GetDigits());
//       } else {
//       esdTracks->Remove(esdTrack);
//       }
      
    // print initial and re-fitted track parameters at first cluster if any
    if (fPrintLevel>0) {
      cout<<"            ----------------track #"<<iTrack+1<<"----------------"<<endl;
      cout<<"before refit:"<<endl;
      AliMUONTrackParam *param = (AliMUONTrackParam*) track->GetTrackParamAtCluster()->First();
      param->Print("FULL");
      if (fPrintLevel>1) param->GetCovariances().Print();
      if (!newTrack) continue;
      cout<<"after refit:"<<endl;
      param = (AliMUONTrackParam*) newTrack->GetTrackParamAtCluster()->First();
      param->Print("FULL");
      if (fPrintLevel>1) param->GetCovariances().Print();
      cout<<"            ----------------------------------------"<<endl;
    }
    
    // Cluster Info part
    UInt_t muonClusterMap = BuildClusterMap(*newTrack);
	
    // loop over clusters
    AliMUONTrackParam* trackParam = static_cast<AliMUONTrackParam*>(newTrack->GetTrackParamAtCluster()->First());
    while (trackParam) {
      fClusterInfo->Clear("C");
      
      // fill cluster info
      cluster = trackParam->GetClusterPtr();
      fClusterInfo->SetRunId(fESD->GetRunNumber());
      fClusterInfo->SetEventId(fESD->GetEventNumberInFile());
      fClusterInfo->SetZ(cluster->GetZ());
      fClusterInfo->SetClusterId(cluster->GetUniqueID());
      fClusterInfo->SetClusterXY(cluster->GetX(), cluster->GetY());
      fClusterInfo->SetClusterXYErr(cluster->GetErrX(), cluster->GetErrY());
      fClusterInfo->SetClusterChi2(cluster->GetChi2());
      fClusterInfo->SetClusterCharge(cluster->GetCharge());
      
      // fill track info
      fClusterInfo->SetTrackId(newTrack->GetUniqueID());
      fClusterInfo->SetTrackXY(trackParam->GetNonBendingCoor(), trackParam->GetBendingCoor());
      fClusterInfo->SetTrackThetaXY(TMath::ATan(trackParam->GetNonBendingSlope()), TMath::ATan(trackParam->GetBendingSlope()));
      fClusterInfo->SetTrackP(trackParam->P());
      const TMatrixD paramCov = trackParam->GetCovariances();
      fClusterInfo->SetTrackXYErr(TMath::Sqrt(paramCov(0,0)), TMath::Sqrt(paramCov(2,2)));
      fClusterInfo->SetTrackChi2(newTrack->GetNormalizedChi2());
      fClusterInfo->SetTrackCharge((Short_t)trackParam->GetCharge());
      fClusterInfo->SetTrackNHits(newTrack->GetNClusters());
      fClusterInfo->SetTrackChamberHitMap(muonClusterMap);
      
      // fill pad info if available	  
      for (Int_t i=0; i<cluster->GetNDigits(); i++) {
	AliMUONVDigit* digit = digitStore->FindObject(cluster->GetDigitId(i));
	if (!digit) continue;
	
	// pad location
	const AliMpVSegmentation* seg = AliMpSegmentation::Instance()->
	  GetMpSegmentation(digit->DetElemId(),AliMp::GetCathodType(digit->Cathode()));
	AliMpPad pad = seg->PadByIndices(digit->PadX(), digit->PadY());
	
	// calibration parameters
	AliMUONVCalibParam* ped =  fPedStore ? static_cast<AliMUONVCalibParam*>(fPedStore->FindObject(digit->DetElemId(), digit->ManuId())) : 0x0;
	AliMUONVCalibParam* gain = fGainStore ? static_cast<AliMUONVCalibParam*>(fGainStore->FindObject(digit->DetElemId(), digit->ManuId())) : 0x0;
	Int_t manuChannel = digit->ManuChannel();
	Int_t planeType = 0;
	if ( digit->ManuId() & AliMpConstants::ManuMask(AliMp::kNonBendingPlane)) {
	  planeType = 1;
	}
	
	// fill pad info
	padInfo.SetPadId(digit->GetUniqueID());
	padInfo.SetPadPlaneType(planeType);
	padInfo.SetPadXY(pad.GetPositionX(), pad.GetPositionY());
	padInfo.SetPadDimXY(pad.GetDimensionX(), pad.GetDimensionY());
	padInfo.SetPadCharge((Double_t)digit->Charge());
	padInfo.SetPadADC(digit->ADC());
	padInfo.SetSaturated(digit->IsSaturated());
	padInfo.SetCalibrated(digit->IsCalibrated());
	padInfo.SetPedestal(ped->ValueAsFloatFast(manuChannel,0), ped->ValueAsFloatFast(manuChannel,1));
	padInfo.SetGain(gain->ValueAsFloatFast(manuChannel,0), gain->ValueAsFloatFast(manuChannel,1),
			gain->ValueAsFloatFast(manuChannel,2), gain->ValueAsFloatFast(manuChannel,3));
	
	fClusterInfo->AddPad(padInfo);
      }
      	  
      // fill cluster info tree
      fClusterInfoTree->Fill();
      trackParam = static_cast<AliMUONTrackParam*>(track->GetTrackParamAtCluster()->After(trackParam));
    }
  }
  // free memory
  delete newTrackStore;
    
  
  // Post final data. Write histo list to a file with option "RECREATE"
  PostData(0,fClusterInfoTree);
}      

//________________________________________________________________________
void AliMUONReAlignTask::Terminate(const Option_t*)
{
  /// Called once per task on the client machine at the end of the analysis.

}

//-----------------------------------------------------------------------
void AliMUONReAlignTask::Prepare(const char* geoFilename, const char* defaultOCDB, const char* misAlignOCDB)
{
  /// Set the geometry, the magnetic field, the mapping and the reconstruction parameters
  
  // Import TGeo geometry (needed by AliMUONTrackExtrap::ExtrapToVertex)
  if (!gGeoManager) {
    AliGeomManager::LoadGeometry(geoFilename);
    if (!gGeoManager) {
      Error("AliMUONReAlignTask", "getting geometry from file %s failed", "generated/galice.root");
      return;
    }
  }
  
  // set mag field
  printf("Loading field map...\n");
  AliMagF* field = new AliMagF("Maps","Maps",2,0.,0., 10.,AliMagF::k5kG);
  TGeoGlobalMagField::Instance()->SetField(field);
  TGeoGlobalMagField::Instance()->Lock();
  
  // Load mapping
  AliCDBManager* man = AliCDBManager::Instance();
  man->SetDefaultStorage(defaultOCDB);
  man->SetSpecificStorage("MUON/Align/Data",misAlignOCDB);
  man->Print();
  man->SetRun(0);
  if ( ! AliMpCDB::LoadDDLStore() ) {
    Error("MUONRefit","Could not access mapping from OCDB !");
    exit(-1);
  }
  
  // Load initial reconstruction parameters from OCDB
  // reconstruction parameters
  fRecoParam = AliMUONRecoParam::GetCosmicParam();
  
  // digit selection
  fRecoParam->SetPadGoodnessMask(0x400BE80);
//   TString caliboption = caliboption1;
//   if ( calib == 2 ) caliboption = caliboption2;
//   fRecoParam->SetCalibrationMode("NOGAIN"caliboption.Data());
  fRecoParam->SetCalibrationMode("NOGAIN");
  
  // chamber resolution (incuding misalignment)
  for (Int_t iCh=0; iCh<10; iCh++) {
    fRecoParam->SetDefaultNonBendingReso(iCh,0.4);
    fRecoParam->SetDefaultBendingReso(iCh,0.4);
  }
  fRecoParam->SetMaxNonBendingDistanceToTrack(10.);
  fRecoParam->SetMaxBendingDistanceToTrack(10.);
  
  // cut on (non)bending slopes
  //fRecoParam->SetMaxNonBendingSlope(0.6);
  //fRecoParam->SetMaxBendingSlope(0.6);
  
  // tracking algorithm
  //  fRecoParam->MakeMoreTrackCandidates(kTRUE);
  fRecoParam->RequestStation(0, kFALSE);
  fRecoParam->RequestStation(2, kFALSE);
//   fRecoParam->RequestStation(3, kFALSE);
//   fRecoParam->RequestStation(4, kFALSE);
  fRecoParam->SetSigmaCutForTracking(7.);
  fRecoParam->ImproveTracks(kTRUE, 7.);
  Info("MUONRefit", "\n initial recontruction parameters:");
  fRecoParam->Print("FULL");
  
  AliMUONESDInterface::ResetTracker(fRecoParam);  
}

//-----------------------------------------------------------------------
UInt_t AliMUONReAlignTask::BuildClusterMap(AliMUONTrack &track)
{
  /// Build the map of clusters in tracking chambers
  
  UInt_t muonClusterMap = 0;
  
  AliMUONTrackParam* trackParam = static_cast<AliMUONTrackParam*>(track.GetTrackParamAtCluster()->First());
  while (trackParam) {
    
    muonClusterMap |= BIT(trackParam->GetClusterPtr()->GetChamberId());
    
    trackParam = static_cast<AliMUONTrackParam*>(track.GetTrackParamAtCluster()->After(trackParam));
  }
  
  return muonClusterMap;
  
}
Commit	Line	Data
4d610fd5	1	//-----------------------------------------------------------------------------
	2	/// \class AliMUONReAlignTask
	3	/// AliAnalysisTask to realign the MUON spectrometer.
	4	/// The Task reads as input ESDs moves the clusters of a MUONTrack acoording
	5	/// to the re aligned geometry taken from a misalignment file in the OCDB
	6	/// and refit the track. Then it produces a AliMUONClusterInfo object for each
	7	/// cluster. The output is a TTree of AliMUONClusterInfo
	8	///
	9	/// \author Javier Castillo, CEA/Saclay - Irfu/SPhN
	10	//-----------------------------------------------------------------------------
	11
	12	#include <fstream>
	13
	14	#include <TString.h>
	15	#include <TError.h>
	16	#include <TTree.h>
	17	#include <TChain.h>
	18	#include <TClonesArray.h>
	19	#include <TRandom.h>
	20	#include <TGeoGlobalMagField.h>
	21	#include <TGeoManager.h>
	22	#include <Riostream.h>
	23
	24	#include "AliAnalysisTask.h"
	25	#include "AliAnalysisManager.h"
	26	#include "AliESDInputHandler.h"
	27	#include "AliESDEvent.h"
	28	#include "AliESDMuonTrack.h"
	29	#include "AliMagF.h"
	30	#include "AliCDBManager.h"
	31	#include "AliGeomManager.h"
	32
	33	#include "AliMpConstants.h"
	34	#include "AliMpCDB.h"
	35	#include "AliMpSegmentation.h"
	36	#include "AliMpVSegmentation.h"
	37	#include "AliMpPad.h"
	38	#include "AliMUONCalibrationData.h"
	39	#include "AliMUONVCalibParam.h"
	40	#include "AliMUONPadInfo.h"
	41	#include "AliMUONClusterInfo.h"
	42	#include "AliMUONRecoParam.h"
	43	#include "AliMUONESDInterface.h"
	44	#include "AliMUONRefitter.h"
	45	#include "AliMUONRecoParam.h"
	46	#include "AliMUONVDigit.h"
	47	#include "AliMUONVCluster.h"
	48	#include "AliMUONTrack.h"
	49	#include "AliMUONVTrackStore.h"
	50	#include "AliMUONVDigitStore.h"
	51	#include "AliMUONTrackParam.h"
	52	#include "AliMUONTrackExtrap.h"
	53	#include "AliMUONGeometryTransformer.h"
	54
	55	#include "AliMUONReAlignTask.h"
	56
	57	///\cond CLASSIMP
	58	ClassImp(AliMUONReAlignTask)
	59	///\endcond
	60
	61	//________________________________________________________________________
	62	AliMUONReAlignTask::AliMUONReAlignTask(const char name, const char geofilename, const char defaultocdb, const char misalignocdb)
	63	: AliAnalysisTask(name, ""),
	64	fESD(0x0),
65	fClusterInfoTree(0x0),
66	fClusterInfo(0x0),
67	fESDInterface(0x0),
68	fRefitter(0x0),
69	fRecoParam(0x0),
70	fGeoFilename(geofilename),
71	fMisAlignOCDB(misalignocdb),
72	fDefaultOCDB(defaultocdb),
73	fGeoTransformer(0x0),
74	fNewGeoTransformer(0x0),
75	fGainStore(0x0),
76	fPedStore(0x0),
77	fPrintLevel(0),
78	fLastRun(-1)
79	{
80	/// Default Constructor
81	// Define input and output slots here
82	// Input slot #0 works with a TChain
83	DefineInput(0, TChain::Class());
84	// Output slot #0 writes a TTree
85	DefineOutput(0, TTree::Class());
86
87	fClusterInfo = new AliMUONClusterInfo();
88	fESDInterface = new AliMUONESDInterface();
89	fGeoTransformer = new AliMUONGeometryTransformer();
90	fNewGeoTransformer = new AliMUONGeometryTransformer();
91	}
92
93	//________________________________________________________________________
94	AliMUONReAlignTask::AliMUONReAlignTask(const AliMUONReAlignTask& obj)
95	: AliAnalysisTask(obj),
96	fESD(0x0),
97	fClusterInfoTree(0x0),
98	fClusterInfo(0x0),
99	fESDInterface(0x0),
100	fRefitter(0x0),
101	fRecoParam(0x0),
102	fGeoFilename(""),
103	fMisAlignOCDB(""),
104	fDefaultOCDB(""),
105	fGeoTransformer(0x0),
106	fNewGeoTransformer(0x0),
107	fGainStore(0x0),
108	fPedStore(0x0),
109	fPrintLevel(0),
110	fLastRun(-1)
111	{
112	/// Copy constructor
113	fESD = obj.fESD;
114	fClusterInfoTree = obj.fClusterInfoTree;
115	fClusterInfo = obj.fClusterInfo;
116	fESDInterface = obj.fESDInterface;
117	fRefitter = obj.fRefitter;
118	fRecoParam = obj.fRecoParam;
119	fGeoFilename = obj.fGeoFilename;
120	fMisAlignOCDB = obj.fMisAlignOCDB;
121	fDefaultOCDB = obj.fDefaultOCDB;
122	fGeoTransformer = obj.fGeoTransformer;
123	fNewGeoTransformer = obj.fNewGeoTransformer;
124	fGainStore = obj.fGainStore;
125	fPedStore = obj.fPedStore;
126	fPrintLevel = obj.fPrintLevel;
127	fLastRun = obj.fLastRun;
128	}
129
130	//________________________________________________________________________________
131	AliMUONReAlignTask& AliMUONReAlignTask::operator=(const AliMUONReAlignTask& other)
132	{
133	/// Assignment
134	AliAnalysisTask::operator=(other);
135	fESD = other.fESD;
136	fClusterInfoTree = other.fClusterInfoTree;
137	fClusterInfo = other.fClusterInfo;
138	fESDInterface = other.fESDInterface;
139	fRefitter = other.fRefitter;
140	fRecoParam = other.fRecoParam;
141	fGeoFilename = other.fGeoFilename;
142	fMisAlignOCDB = other.fMisAlignOCDB;
143	fDefaultOCDB = other.fDefaultOCDB;
144	fGeoTransformer = other.fGeoTransformer;
145	fNewGeoTransformer = other.fNewGeoTransformer;
146	fGainStore = other.fGainStore;
147	fPedStore = other.fPedStore;
148	fPrintLevel = other.fPrintLevel;
149	fLastRun = other.fLastRun;
150
151	return *this;
152	}
153
154
155	//________________________________________________________________________
156	AliMUONReAlignTask::~AliMUONReAlignTask()
157	{
158	/// Destructor
159	if (fESDInterface) delete fESDInterface;
160	if (fGeoTransformer) delete fGeoTransformer;
161	if (fNewGeoTransformer) delete fNewGeoTransformer;
162	}
163
164	//________________________________________________________________________
165	void AliMUONReAlignTask::LocalInit()
166	{
167	/// Local initialization, called once per task on the client machine
168	/// where the analysis train is assembled
169	AliMpCDB::LoadMpSegmentation();
170
171	// prepare the refitting
172	gRandom->SetSeed(0);
173	Prepare(fGeoFilename.Data(),fDefaultOCDB.Data(),fMisAlignOCDB.Data());
174
175	fRefitter = new AliMUONRefitter(fRecoParam);
176	fRefitter->Connect(fESDInterface);
177
178	// Original geotransformer
179	fGeoTransformer->LoadGeometryData();
180	// Apply mis alignments
181	AliGeomManager::ApplyAlignObjsFromCDB("MUON");
182	// New geotransformer
183	fNewGeoTransformer->LoadGeometryData();
184
185	}
186
187	//________________________________________________________________________
188	void AliMUONReAlignTask::ConnectInputData(Option_t *)
189	{
190	/// Connect ESD here. Called on each input data change.
191	// Connect ESD here
192	TTree* esdTree = dynamic_cast<TTree*> (GetInputData(0));
193	if (!esdTree) {
194	Printf("ERROR: Could not read chain from input slot 0");
195	}
196	else {
197	AliESDInputHandler esdH = dynamic_cast<AliESDInputHandler> (AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler());
198	if (!esdH) {
199	Printf("ERROR: Could not get ESDInputHandler");
200	}
201	else {
202	fESD = esdH->GetEvent();
203	}
204	}
205	}
206
207	//________________________________________________________________________
208	void AliMUONReAlignTask::CreateOutputObjects()
209	{
210	/// Executed once on each worker (machine actually running the analysis code)
211	//
212	// This method has to be called INSIDE the user redefined CreateOutputObjects
213	// method, before creating each object corresponding to the output containers
214	// that are to be written to a file. This need to be done in general for the big output
215	// objects that may not fit memory during processing.
216	OpenFile(0);
217
218	fClusterInfoTree = new TTree("clusterInfoTree","clusterInfoTree");
219	fClusterInfoTree->Branch("clusterInfo", &fClusterInfo, 32000, 99);
220
221	}
222
223	//________________________________________________________________________
224	void AliMUONReAlignTask::Exec(Option_t *)
225	{
226	/// Main loop, called for each event
227	if (!fESD) {
228	Printf("ERROR: fESD not available");
229	return;
230	}
231
232	// Prepare Gain and Pedestal store
233	if (!fGainStore \|\| fLastRun!=fESD->GetRunNumber()){
234	fGainStore = AliMUONCalibrationData::CreateGains(fESD->GetRunNumber());
235	fLastRun = fESD->GetRunNumber();
236	}
237	if (!fPedStore \|\| fLastRun!=fESD->GetRunNumber()){
238	fPedStore = AliMUONCalibrationData::CreatePedestals(fESD->GetRunNumber());
239	fLastRun = fESD->GetRunNumber();
240	}
241
242	AliMUONPadInfo padInfo;
243
244	Int_t nTracks = (Int_t)fESD->GetNumberOfMuonTracks();
245	if (nTracks < 1) return;
246
247	// load the current event
248	fESDInterface->LoadEvent(*fESD);
249	AliMUONVDigitStore* digitStore = fESDInterface->GetDigits();
250
251	Double_t lX = 0.;
252	Double_t lY = 0.;
253	Double_t lZ = 0.;
254	Double_t gX = 0.;
255	Double_t gY = 0.;
256	Double_t gZ = 0.;
257	// loop over cluster to modify their position
258	AliMUONVCluster *cluster;
259	TIter next(fESDInterface->CreateClusterIterator());
260	while ((cluster = static_cast<AliMUONVCluster*>(next()))) {
261	// cout << "Original cluster" << endl;
262	// cluster->Print();
263	gX = cluster->GetX();
264	gY = cluster->GetY();
265	gZ = cluster->GetZ();
266	fGeoTransformer->Global2Local(cluster->GetDetElemId(),gX,gY,gZ,lX,lY,lZ);
267	fNewGeoTransformer->Local2Global(cluster->GetDetElemId(),lX,lY,lZ,gX,gY,gZ);
268	cluster->SetXYZ(gX,gY,gZ);
269	// cout << "Aligned cluster" << endl;
270	// cluster->Print();
271	}
272
273	// refit the tracks from digits
274	AliMUONVTrackStore* newTrackStore = fRefitter->ReconstructFromClusters();
275
276	//----------------------------------------------//
277	// ------ fill new ESD and print results ------ //
278	//----------------------------------------------//
279	// loop over the list of ESD tracks
280	TClonesArray esdTracks = (TClonesArray) fESD->FindListObject("MuonTracks");
281	for (Int_t iTrack = 0; iTrack < nTracks; iTrack++) {
282	// get the ESD track
283	AliESDMuonTrack* esdTrack = (AliESDMuonTrack*) esdTracks->UncheckedAt(iTrack);
284
285	// skip ghost tracks (leave them unchanged in the new ESD file)
286	if (!esdTrack->ContainTrackerData()) continue;
287
288	// get the corresponding MUON track
289	AliMUONTrack* track = fESDInterface->FindTrack(esdTrack->GetUniqueID());
290
291	// Find the corresponding re-fitted MUON track
292	AliMUONTrack* newTrack = (AliMUONTrack*) newTrackStore->FindObject(esdTrack->GetUniqueID());
293
294	// // replace the content of the current ESD track or remove it if the refitting has failed
295	// if (newTrack) {
296	// Double_t vertex[3] = {esdTrack->GetNonBendingCoor(), esdTrack->GetBendingCoor(), esdTrack->GetZ()};
297	// AliMUONESDInterface::MUONToESD(newTrack, esdTrack, vertex, esdInterface.GetDigits());
298	// } else {
299	// esdTracks->Remove(esdTrack);
300	// }
301
302	// print initial and re-fitted track parameters at first cluster if any
303	if (fPrintLevel>0) {
304	cout<<" ----------------track #"<<iTrack+1<<"----------------"<<endl;
305	cout<<"before refit:"<<endl;
306	AliMUONTrackParam param = (AliMUONTrackParam) track->GetTrackParamAtCluster()->First();
307	param->Print("FULL");
308	if (fPrintLevel>1) param->GetCovariances().Print();
309	if (!newTrack) continue;
310	cout<<"after refit:"<<endl;
311	param = (AliMUONTrackParam*) newTrack->GetTrackParamAtCluster()->First();
312	param->Print("FULL");
313	if (fPrintLevel>1) param->GetCovariances().Print();
314	cout<<" ----------------------------------------"<<endl;
315	}
316
317	// Cluster Info part
318	UInt_t muonClusterMap = BuildClusterMap(*newTrack);
319
320	// loop over clusters
321	AliMUONTrackParam* trackParam = static_cast<AliMUONTrackParam*>(newTrack->GetTrackParamAtCluster()->First());
322	while (trackParam) {
323	fClusterInfo->Clear("C");
324
325	// fill cluster info
326	cluster = trackParam->GetClusterPtr();
327	fClusterInfo->SetRunId(fESD->GetRunNumber());
328	fClusterInfo->SetEventId(fESD->GetEventNumberInFile());
329	fClusterInfo->SetZ(cluster->GetZ());
330	fClusterInfo->SetClusterId(cluster->GetUniqueID());
331	fClusterInfo->SetClusterXY(cluster->GetX(), cluster->GetY());
332	fClusterInfo->SetClusterXYErr(cluster->GetErrX(), cluster->GetErrY());
333	fClusterInfo->SetClusterChi2(cluster->GetChi2());
334	fClusterInfo->SetClusterCharge(cluster->GetCharge());
335
336	// fill track info
337	fClusterInfo->SetTrackId(newTrack->GetUniqueID());
338	fClusterInfo->SetTrackXY(trackParam->GetNonBendingCoor(), trackParam->GetBendingCoor());
339	fClusterInfo->SetTrackThetaXY(TMath::ATan(trackParam->GetNonBendingSlope()), TMath::ATan(trackParam->GetBendingSlope()));
340	fClusterInfo->SetTrackP(trackParam->P());
341	const TMatrixD paramCov = trackParam->GetCovariances();
342	fClusterInfo->SetTrackXYErr(TMath::Sqrt(paramCov(0,0)), TMath::Sqrt(paramCov(2,2)));
343	fClusterInfo->SetTrackChi2(newTrack->GetNormalizedChi2());
344	fClusterInfo->SetTrackCharge((Short_t)trackParam->GetCharge());
345	fClusterInfo->SetTrackNHits(newTrack->GetNClusters());
346	fClusterInfo->SetTrackChamberHitMap(muonClusterMap);
347
348	// fill pad info if available
349	for (Int_t i=0; i<cluster->GetNDigits(); i++) {
350	AliMUONVDigit* digit = digitStore->FindObject(cluster->GetDigitId(i));
351	if (!digit) continue;
352
353	// pad location
354	const AliMpVSegmentation* seg = AliMpSegmentation::Instance()->
355	GetMpSegmentation(digit->DetElemId(),AliMp::GetCathodType(digit->Cathode()));
356	AliMpPad pad = seg->PadByIndices(digit->PadX(), digit->PadY());
357
358	// calibration parameters
359	AliMUONVCalibParam* ped = fPedStore ? static_cast<AliMUONVCalibParam*>(fPedStore->FindObject(digit->DetElemId(), digit->ManuId())) : 0x0;
360	AliMUONVCalibParam* gain = fGainStore ? static_cast<AliMUONVCalibParam*>(fGainStore->FindObject(digit->DetElemId(), digit->ManuId())) : 0x0;
361	Int_t manuChannel = digit->ManuChannel();
362	Int_t planeType = 0;
363	if ( digit->ManuId() & AliMpConstants::ManuMask(AliMp::kNonBendingPlane)) {
364	planeType = 1;
365	}
366
367	// fill pad info
368	padInfo.SetPadId(digit->GetUniqueID());
369	padInfo.SetPadPlaneType(planeType);
370	padInfo.SetPadXY(pad.GetPositionX(), pad.GetPositionY());
371	padInfo.SetPadDimXY(pad.GetDimensionX(), pad.GetDimensionY());
372	padInfo.SetPadCharge((Double_t)digit->Charge());
373	padInfo.SetPadADC(digit->ADC());
374	padInfo.SetSaturated(digit->IsSaturated());
375	padInfo.SetCalibrated(digit->IsCalibrated());
376	padInfo.SetPedestal(ped->ValueAsFloatFast(manuChannel,0), ped->ValueAsFloatFast(manuChannel,1));
377	padInfo.SetGain(gain->ValueAsFloatFast(manuChannel,0), gain->ValueAsFloatFast(manuChannel,1),
378	gain->ValueAsFloatFast(manuChannel,2), gain->ValueAsFloatFast(manuChannel,3));
379
380	fClusterInfo->AddPad(padInfo);
381	}
382
383	// fill cluster info tree
384	fClusterInfoTree->Fill();
385	trackParam = static_cast<AliMUONTrackParam*>(track->GetTrackParamAtCluster()->After(trackParam));
386	}
387	}
388	// free memory
389	delete newTrackStore;
390
391
392	// Post final data. Write histo list to a file with option "RECREATE"
393	PostData(0,fClusterInfoTree);
394	}
395
396	//________________________________________________________________________
397	void AliMUONReAlignTask::Terminate(const Option_t*)
398	{
399	/// Called once per task on the client machine at the end of the analysis.
400
401	}
402
403	//-----------------------------------------------------------------------
404	void AliMUONReAlignTask::Prepare(const char* geoFilename, const char* defaultOCDB, const char* misAlignOCDB)
405	{
406	/// Set the geometry, the magnetic field, the mapping and the reconstruction parameters
407
408	// Import TGeo geometry (needed by AliMUONTrackExtrap::ExtrapToVertex)
409	if (!gGeoManager) {
410	AliGeomManager::LoadGeometry(geoFilename);
411	if (!gGeoManager) {
412	Error("AliMUONReAlignTask", "getting geometry from file %s failed", "generated/galice.root");
413	return;
414	}
415	}
416
417	// set mag field
418	printf("Loading field map...\n");
419	AliMagF* field = new AliMagF("Maps","Maps",2,0.,0., 10.,AliMagF::k5kG);
420	TGeoGlobalMagField::Instance()->SetField(field);
421	TGeoGlobalMagField::Instance()->Lock();
422
423	// Load mapping
424	AliCDBManager* man = AliCDBManager::Instance();
425	man->SetDefaultStorage(defaultOCDB);
426	man->SetSpecificStorage("MUON/Align/Data",misAlignOCDB);
427	man->Print();
428	man->SetRun(0);
429	if ( ! AliMpCDB::LoadDDLStore() ) {
430	Error("MUONRefit","Could not access mapping from OCDB !");
431	exit(-1);
432	}
433
434	// Load initial reconstruction parameters from OCDB
435	// reconstruction parameters
436	fRecoParam = AliMUONRecoParam::GetCosmicParam();
437
438	// digit selection
439	fRecoParam->SetPadGoodnessMask(0x400BE80);
440	// TString caliboption = caliboption1;
441	// if ( calib == 2 ) caliboption = caliboption2;
442	// fRecoParam->SetCalibrationMode("NOGAIN"caliboption.Data());
443	fRecoParam->SetCalibrationMode("NOGAIN");
444
445	// chamber resolution (incuding misalignment)
446	for (Int_t iCh=0; iCh<10; iCh++) {
447	fRecoParam->SetDefaultNonBendingReso(iCh,0.4);
448	fRecoParam->SetDefaultBendingReso(iCh,0.4);
449	}
450	fRecoParam->SetMaxNonBendingDistanceToTrack(10.);
451	fRecoParam->SetMaxBendingDistanceToTrack(10.);
452
453	// cut on (non)bending slopes
454	//fRecoParam->SetMaxNonBendingSlope(0.6);
455	//fRecoParam->SetMaxBendingSlope(0.6);
456
457	// tracking algorithm
458	// fRecoParam->MakeMoreTrackCandidates(kTRUE);
459	fRecoParam->RequestStation(0, kFALSE);
460	fRecoParam->RequestStation(2, kFALSE);
461	// fRecoParam->RequestStation(3, kFALSE);
462	// fRecoParam->RequestStation(4, kFALSE);
463	fRecoParam->SetSigmaCutForTracking(7.);
464	fRecoParam->ImproveTracks(kTRUE, 7.);
465	Info("MUONRefit", "\n initial recontruction parameters:");
466	fRecoParam->Print("FULL");
467
468	AliMUONESDInterface::ResetTracker(fRecoParam);
469	}
470
471	//-----------------------------------------------------------------------
472	UInt_t AliMUONReAlignTask::BuildClusterMap(AliMUONTrack &track)
473	{
474	/// Build the map of clusters in tracking chambers
475
476	UInt_t muonClusterMap = 0;
477
478	AliMUONTrackParam* trackParam = static_cast<AliMUONTrackParam*>(track.GetTrackParamAtCluster()->First());
479	while (trackParam) {
480
481	muonClusterMap \|= BIT(trackParam->GetClusterPtr()->GetChamberId());
482
483	trackParam = static_cast<AliMUONTrackParam*>(track.GetTrackParamAtCluster()->After(trackParam));
484	}
485
486	return muonClusterMap;
487
488	}