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

/**************************************************************************
* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
*                                                                        *
* Author: The ALICE Off-line Project.                                    *
* Contributors are mentioned in the code where appropriate.              *
*                                                                        *
* Permission to use, copy, modify and distribute this software and its   *
* documentation strictly for non-commercial purposes is hereby granted   *
* without fee, provided that the above copyright notice appears in all   *
* copies and that both the copyright notice and this permission notice   *
* appear in the supporting documentation. The authors make no claims     *
* about the suitability of this software for any purpose. It is          *
* provided "as is" without express or implied warranty.                  *
**************************************************************************/

// $Id$

//-----------------------------------------------------------------------------
/// \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 "AliGRPManager.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());
	if (ped) {
	  padInfo.SetPedestal(ped->ValueAsFloatFast(manuChannel,0), ped->ValueAsFloatFast(manuChannel,1));
	} else {
	  padInfo.SetPedestal(-250.,-5.);
	}
	if (gain) {
	  padInfo.SetGain(gain->ValueAsFloatFast(manuChannel,0), gain->ValueAsFloatFast(manuChannel,1),
			  gain->ValueAsIntFast(manuChannel,2), gain->ValueAsIntFast(manuChannel,3));
	} else {
	  padInfo.SetGain(-1.,-0.1,-4095,-1);
	} 	
	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;
    }
  }
    
  // 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);
  }

  // set mag field
  if (!TGeoGlobalMagField::Instance()->GetField()) {
    printf("Loading field map...\n");
    AliGRPManager *grpMan = new AliGRPManager();
    grpMan->ReadGRPEntry();
    grpMan->SetMagField();
    delete grpMan;
  }
  // set the magnetic field for track extrapolations
  AliMUONTrackExtrap::SetField();
  
  // 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
81f1d3ae	1	/**************************************************************************
	2	* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
	3	* *
	4	* Author: The ALICE Off-line Project. *
	5	* Contributors are mentioned in the code where appropriate. *
	6	* *
	7	* Permission to use, copy, modify and distribute this software and its *
	8	* documentation strictly for non-commercial purposes is hereby granted *
	9	* without fee, provided that the above copyright notice appears in all *
	10	* copies and that both the copyright notice and this permission notice *
	11	* appear in the supporting documentation. The authors make no claims *
	12	* about the suitability of this software for any purpose. It is *
	13	* provided "as is" without express or implied warranty. *
	14	**************************************************************************/
	15
	16	// $Id$
	17
4d610fd5	18	//-----------------------------------------------------------------------------
	19	/// \class AliMUONReAlignTask
	20	/// AliAnalysisTask to realign the MUON spectrometer.
	21	/// The Task reads as input ESDs moves the clusters of a MUONTrack acoording
	22	/// to the re aligned geometry taken from a misalignment file in the OCDB
	23	/// and refit the track. Then it produces a AliMUONClusterInfo object for each
	24	/// cluster. The output is a TTree of AliMUONClusterInfo
	25	///
	26	/// \author Javier Castillo, CEA/Saclay - Irfu/SPhN
	27	//-----------------------------------------------------------------------------
	28
	29	#include <fstream>
	30
	31	#include <TString.h>
	32	#include <TError.h>
	33	#include <TTree.h>
	34	#include <TChain.h>
	35	#include <TClonesArray.h>
	36	#include <TRandom.h>
	37	#include <TGeoGlobalMagField.h>
	38	#include <TGeoManager.h>
	39	#include <Riostream.h>
	40
	41	#include "AliAnalysisTask.h"
	42	#include "AliAnalysisManager.h"
	43	#include "AliESDInputHandler.h"
	44	#include "AliESDEvent.h"
	45	#include "AliESDMuonTrack.h"
	46	#include "AliMagF.h"
	47	#include "AliCDBManager.h"
cd8521dd	48	#include "AliGRPManager.h"
4d610fd5	49	#include "AliGeomManager.h"
	50
	51	#include "AliMpConstants.h"
	52	#include "AliMpCDB.h"
	53	#include "AliMpSegmentation.h"
	54	#include "AliMpVSegmentation.h"
	55	#include "AliMpPad.h"
	56	#include "AliMUONCalibrationData.h"
	57	#include "AliMUONVCalibParam.h"
	58	#include "AliMUONPadInfo.h"
	59	#include "AliMUONClusterInfo.h"
	60	#include "AliMUONRecoParam.h"
	61	#include "AliMUONESDInterface.h"
	62	#include "AliMUONRefitter.h"
	63	#include "AliMUONRecoParam.h"
	64	#include "AliMUONVDigit.h"
	65	#include "AliMUONVCluster.h"
	66	#include "AliMUONTrack.h"
	67	#include "AliMUONVTrackStore.h"
	68	#include "AliMUONVDigitStore.h"
	69	#include "AliMUONTrackParam.h"
	70	#include "AliMUONTrackExtrap.h"
	71	#include "AliMUONGeometryTransformer.h"
	72
	73	#include "AliMUONReAlignTask.h"
	74
	75	///\cond CLASSIMP
	76	ClassImp(AliMUONReAlignTask)
	77	///\endcond
	78
	79	//________________________________________________________________________
	80	AliMUONReAlignTask::AliMUONReAlignTask(const char name, const char geofilename, const char defaultocdb, const char misalignocdb)
	81	: AliAnalysisTask(name, ""),
	82	fESD(0x0),
	83	fClusterInfoTree(0x0),
	84	fClusterInfo(0x0),
	85	fESDInterface(0x0),
	86	fRefitter(0x0),
	87	fRecoParam(0x0),
	88	fGeoFilename(geofilename),
	89	fMisAlignOCDB(misalignocdb),
	90	fDefaultOCDB(defaultocdb),
	91	fGeoTransformer(0x0),
	92	fNewGeoTransformer(0x0),
	93	fGainStore(0x0),
	94	fPedStore(0x0),
	95	fPrintLevel(0),
	96	fLastRun(-1)
	97	{
	98	/// Default Constructor
	99	// Define input and output slots here
	100	// Input slot #0 works with a TChain
	101	DefineInput(0, TChain::Class());
	102	// Output slot #0 writes a TTree
	103	DefineOutput(0, TTree::Class());
	104
	105	fClusterInfo = new AliMUONClusterInfo();
	106	fESDInterface = new AliMUONESDInterface();
	107	fGeoTransformer = new AliMUONGeometryTransformer();
	108	fNewGeoTransformer = new AliMUONGeometryTransformer();
	109	}
	110
	111	//________________________________________________________________________
	112	AliMUONReAlignTask::AliMUONReAlignTask(const AliMUONReAlignTask& obj)
113	: AliAnalysisTask(obj),
114	fESD(0x0),
115	fClusterInfoTree(0x0),
116	fClusterInfo(0x0),
117	fESDInterface(0x0),
118	fRefitter(0x0),
119	fRecoParam(0x0),
120	fGeoFilename(""),
121	fMisAlignOCDB(""),
122	fDefaultOCDB(""),
123	fGeoTransformer(0x0),
124	fNewGeoTransformer(0x0),
125	fGainStore(0x0),
126	fPedStore(0x0),
127	fPrintLevel(0),
128	fLastRun(-1)
129	{
130	/// Copy constructor
131	fESD = obj.fESD;
132	fClusterInfoTree = obj.fClusterInfoTree;
133	fClusterInfo = obj.fClusterInfo;
134	fESDInterface = obj.fESDInterface;
135	fRefitter = obj.fRefitter;
136	fRecoParam = obj.fRecoParam;
137	fGeoFilename = obj.fGeoFilename;
138	fMisAlignOCDB = obj.fMisAlignOCDB;
139	fDefaultOCDB = obj.fDefaultOCDB;
140	fGeoTransformer = obj.fGeoTransformer;
141	fNewGeoTransformer = obj.fNewGeoTransformer;
142	fGainStore = obj.fGainStore;
143	fPedStore = obj.fPedStore;
144	fPrintLevel = obj.fPrintLevel;
145	fLastRun = obj.fLastRun;
146	}
147
148	//________________________________________________________________________________
149	AliMUONReAlignTask& AliMUONReAlignTask::operator=(const AliMUONReAlignTask& other)
150	{
151	/// Assignment
152	AliAnalysisTask::operator=(other);
153	fESD = other.fESD;
154	fClusterInfoTree = other.fClusterInfoTree;
155	fClusterInfo = other.fClusterInfo;
156	fESDInterface = other.fESDInterface;
157	fRefitter = other.fRefitter;
158	fRecoParam = other.fRecoParam;
159	fGeoFilename = other.fGeoFilename;
160	fMisAlignOCDB = other.fMisAlignOCDB;
161	fDefaultOCDB = other.fDefaultOCDB;
162	fGeoTransformer = other.fGeoTransformer;
163	fNewGeoTransformer = other.fNewGeoTransformer;
164	fGainStore = other.fGainStore;
165	fPedStore = other.fPedStore;
166	fPrintLevel = other.fPrintLevel;
167	fLastRun = other.fLastRun;
168
169	return *this;
170	}
171
172
173	//________________________________________________________________________
174	AliMUONReAlignTask::~AliMUONReAlignTask()
175	{
176	/// Destructor
177	if (fESDInterface) delete fESDInterface;
178	if (fGeoTransformer) delete fGeoTransformer;
179	if (fNewGeoTransformer) delete fNewGeoTransformer;
180	}
181
182	//________________________________________________________________________
183	void AliMUONReAlignTask::LocalInit()
184	{
185	/// Local initialization, called once per task on the client machine
186	/// where the analysis train is assembled
187	AliMpCDB::LoadMpSegmentation();
188
189	// prepare the refitting
190	gRandom->SetSeed(0);
191	Prepare(fGeoFilename.Data(),fDefaultOCDB.Data(),fMisAlignOCDB.Data());
192
193	fRefitter = new AliMUONRefitter(fRecoParam);
194	fRefitter->Connect(fESDInterface);
195
196	// Original geotransformer
197	fGeoTransformer->LoadGeometryData();
198	// Apply mis alignments
199	AliGeomManager::ApplyAlignObjsFromCDB("MUON");
200	// New geotransformer
201	fNewGeoTransformer->LoadGeometryData();
202
203	}
204
205	//________________________________________________________________________
206	void AliMUONReAlignTask::ConnectInputData(Option_t *)
207	{
208	/// Connect ESD here. Called on each input data change.
209	// Connect ESD here
210	TTree* esdTree = dynamic_cast<TTree*> (GetInputData(0));
211	if (!esdTree) {
212	Printf("ERROR: Could not read chain from input slot 0");
213	}
214	else {
215	AliESDInputHandler esdH = dynamic_cast<AliESDInputHandler> (AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler());
216	if (!esdH) {
217	Printf("ERROR: Could not get ESDInputHandler");
218	}
219	else {
220	fESD = esdH->GetEvent();
221	}
222	}
223	}
224
225	//________________________________________________________________________
226	void AliMUONReAlignTask::CreateOutputObjects()
227	{
228	/// Executed once on each worker (machine actually running the analysis code)
229	//
230	// This method has to be called INSIDE the user redefined CreateOutputObjects
231	// method, before creating each object corresponding to the output containers
232	// that are to be written to a file. This need to be done in general for the big output
233	// objects that may not fit memory during processing.
234	OpenFile(0);
235
236	fClusterInfoTree = new TTree("clusterInfoTree","clusterInfoTree");
237	fClusterInfoTree->Branch("clusterInfo", &fClusterInfo, 32000, 99);
238
239	}
240
241	//________________________________________________________________________
242	void AliMUONReAlignTask::Exec(Option_t *)
243	{
244	/// Main loop, called for each event
245	if (!fESD) {
246	Printf("ERROR: fESD not available");
247	return;
248	}
249
250	// Prepare Gain and Pedestal store
251	if (!fGainStore \|\| fLastRun!=fESD->GetRunNumber()){
252	fGainStore = AliMUONCalibrationData::CreateGains(fESD->GetRunNumber());
253	fLastRun = fESD->GetRunNumber();
254	}
255	if (!fPedStore \|\| fLastRun!=fESD->GetRunNumber()){
256	fPedStore = AliMUONCalibrationData::CreatePedestals(fESD->GetRunNumber());
257	fLastRun = fESD->GetRunNumber();
258	}
259
260	AliMUONPadInfo padInfo;
261
262	Int_t nTracks = (Int_t)fESD->GetNumberOfMuonTracks();
263	if (nTracks < 1) return;
264
265	// load the current event
266	fESDInterface->LoadEvent(*fESD);
267	AliMUONVDigitStore* digitStore = fESDInterface->GetDigits();
268
269	Double_t lX = 0.;
270	Double_t lY = 0.;
271	Double_t lZ = 0.;
272	Double_t gX = 0.;
273	Double_t gY = 0.;
274	Double_t gZ = 0.;
275	// loop over cluster to modify their position
276	AliMUONVCluster *cluster;
277	TIter next(fESDInterface->CreateClusterIterator());
278	while ((cluster = static_cast<AliMUONVCluster*>(next()))) {
279	// cout << "Original cluster" << endl;
280	// cluster->Print();
281	gX = cluster->GetX();
282	gY = cluster->GetY();
283	gZ = cluster->GetZ();
284	fGeoTransformer->Global2Local(cluster->GetDetElemId(),gX,gY,gZ,lX,lY,lZ);
285	fNewGeoTransformer->Local2Global(cluster->GetDetElemId(),lX,lY,lZ,gX,gY,gZ);
286	cluster->SetXYZ(gX,gY,gZ);
287	// cout << "Aligned cluster" << endl;
288	// cluster->Print();
289	}
290
291	// refit the tracks from digits
292	AliMUONVTrackStore* newTrackStore = fRefitter->ReconstructFromClusters();
293
294	//----------------------------------------------//
295	// ------ fill new ESD and print results ------ //
296	//----------------------------------------------//
297	// loop over the list of ESD tracks
298	TClonesArray esdTracks = (TClonesArray) fESD->FindListObject("MuonTracks");
299	for (Int_t iTrack = 0; iTrack < nTracks; iTrack++) {
300	// get the ESD track
301	AliESDMuonTrack* esdTrack = (AliESDMuonTrack*) esdTracks->UncheckedAt(iTrack);
302
303	// skip ghost tracks (leave them unchanged in the new ESD file)
304	if (!esdTrack->ContainTrackerData()) continue;
305
306	// get the corresponding MUON track
307	AliMUONTrack* track = fESDInterface->FindTrack(esdTrack->GetUniqueID());
308
309	// Find the corresponding re-fitted MUON track
310	AliMUONTrack* newTrack = (AliMUONTrack*) newTrackStore->FindObject(esdTrack->GetUniqueID());
311
312	// // replace the content of the current ESD track or remove it if the refitting has failed
313	// if (newTrack) {
314	// Double_t vertex[3] = {esdTrack->GetNonBendingCoor(), esdTrack->GetBendingCoor(), esdTrack->GetZ()};
315	// AliMUONESDInterface::MUONToESD(newTrack, esdTrack, vertex, esdInterface.GetDigits());
316	// } else {
317	// esdTracks->Remove(esdTrack);
318	// }
319
320	// print initial and re-fitted track parameters at first cluster if any
321	if (fPrintLevel>0) {
322	cout<<" ----------------track #"<<iTrack+1<<"----------------"<<endl;
323	cout<<"before refit:"<<endl;
324	AliMUONTrackParam param = (AliMUONTrackParam) track->GetTrackParamAtCluster()->First();
325	param->Print("FULL");
326	if (fPrintLevel>1) param->GetCovariances().Print();
327	if (!newTrack) continue;
328	cout<<"after refit:"<<endl;
329	param = (AliMUONTrackParam*) newTrack->GetTrackParamAtCluster()->First();
330	param->Print("FULL");
331	if (fPrintLevel>1) param->GetCovariances().Print();
332	cout<<" ----------------------------------------"<<endl;
333	}
334
335	// Cluster Info part
336	UInt_t muonClusterMap = BuildClusterMap(*newTrack);
337
338	// loop over clusters
339	AliMUONTrackParam* trackParam = static_cast<AliMUONTrackParam*>(newTrack->GetTrackParamAtCluster()->First());
340	while (trackParam) {
341	fClusterInfo->Clear("C");
342
343	// fill cluster info
344	cluster = trackParam->GetClusterPtr();
345	fClusterInfo->SetRunId(fESD->GetRunNumber());
346	fClusterInfo->SetEventId(fESD->GetEventNumberInFile());
347	fClusterInfo->SetZ(cluster->GetZ());
348	fClusterInfo->SetClusterId(cluster->GetUniqueID());
349	fClusterInfo->SetClusterXY(cluster->GetX(), cluster->GetY());
350	fClusterInfo->SetClusterXYErr(cluster->GetErrX(), cluster->GetErrY());
351	fClusterInfo->SetClusterChi2(cluster->GetChi2());
352	fClusterInfo->SetClusterCharge(cluster->GetCharge());
353
354	// fill track info
355	fClusterInfo->SetTrackId(newTrack->GetUniqueID());
356	fClusterInfo->SetTrackXY(trackParam->GetNonBendingCoor(), trackParam->GetBendingCoor());
357	fClusterInfo->SetTrackThetaXY(TMath::ATan(trackParam->GetNonBendingSlope()), TMath::ATan(trackParam->GetBendingSlope()));
358	fClusterInfo->SetTrackP(trackParam->P());
359	const TMatrixD paramCov = trackParam->GetCovariances();
360	fClusterInfo->SetTrackXYErr(TMath::Sqrt(paramCov(0,0)), TMath::Sqrt(paramCov(2,2)));
361	fClusterInfo->SetTrackChi2(newTrack->GetNormalizedChi2());
362	fClusterInfo->SetTrackCharge((Short_t)trackParam->GetCharge());
363	fClusterInfo->SetTrackNHits(newTrack->GetNClusters());
364	fClusterInfo->SetTrackChamberHitMap(muonClusterMap);
365
366	// fill pad info if available
367	for (Int_t i=0; i<cluster->GetNDigits(); i++) {
368	AliMUONVDigit* digit = digitStore->FindObject(cluster->GetDigitId(i));
369	if (!digit) continue;
370
371	// pad location
372	const AliMpVSegmentation* seg = AliMpSegmentation::Instance()->
373	GetMpSegmentation(digit->DetElemId(),AliMp::GetCathodType(digit->Cathode()));
374	AliMpPad pad = seg->PadByIndices(digit->PadX(), digit->PadY());
375
376	// calibration parameters
377	AliMUONVCalibParam* ped = fPedStore ? static_cast<AliMUONVCalibParam*>(fPedStore->FindObject(digit->DetElemId(), digit->ManuId())) : 0x0;
378	AliMUONVCalibParam* gain = fGainStore ? static_cast<AliMUONVCalibParam*>(fGainStore->FindObject(digit->DetElemId(), digit->ManuId())) : 0x0;
379	Int_t manuChannel = digit->ManuChannel();
380	Int_t planeType = 0;
381	if ( digit->ManuId() & AliMpConstants::ManuMask(AliMp::kNonBendingPlane)) {
382	planeType = 1;
383	}
384
385	// fill pad info
386	padInfo.SetPadId(digit->GetUniqueID());
387	padInfo.SetPadPlaneType(planeType);
388	padInfo.SetPadXY(pad.GetPositionX(), pad.GetPositionY());
389	padInfo.SetPadDimXY(pad.GetDimensionX(), pad.GetDimensionY());
390	padInfo.SetPadCharge((Double_t)digit->Charge());
391	padInfo.SetPadADC(digit->ADC());
392	padInfo.SetSaturated(digit->IsSaturated());
393	padInfo.SetCalibrated(digit->IsCalibrated());
f4c2989f	394	if (ped) {
	395	padInfo.SetPedestal(ped->ValueAsFloatFast(manuChannel,0), ped->ValueAsFloatFast(manuChannel,1));
	396	} else {
	397	padInfo.SetPedestal(-250.,-5.);
	398	}
	399	if (gain) {
	400	padInfo.SetGain(gain->ValueAsFloatFast(manuChannel,0), gain->ValueAsFloatFast(manuChannel,1),
	401	gain->ValueAsIntFast(manuChannel,2), gain->ValueAsIntFast(manuChannel,3));
	402	} else {
	403	padInfo.SetGain(-1.,-0.1,-4095,-1);
	404	}
4d610fd5	405	fClusterInfo->AddPad(padInfo);
	406	}
	407
	408	// fill cluster info tree
	409	fClusterInfoTree->Fill();
	410	trackParam = static_cast<AliMUONTrackParam*>(track->GetTrackParamAtCluster()->After(trackParam));
	411	}
	412	}
	413	// free memory
	414	delete newTrackStore;
	415
	416
	417	// Post final data. Write histo list to a file with option "RECREATE"
	418	PostData(0,fClusterInfoTree);
	419	}
	420
	421	//________________________________________________________________________
	422	void AliMUONReAlignTask::Terminate(const Option_t*)
	423	{
	424	/// Called once per task on the client machine at the end of the analysis.
	425
	426	}
	427
	428	//-----------------------------------------------------------------------
	429	void AliMUONReAlignTask::Prepare(const char* geoFilename, const char* defaultOCDB, const char* misAlignOCDB)
	430	{
	431	/// Set the geometry, the magnetic field, the mapping and the reconstruction parameters
	432
	433	// Import TGeo geometry (needed by AliMUONTrackExtrap::ExtrapToVertex)
	434	if (!gGeoManager) {
	435	AliGeomManager::LoadGeometry(geoFilename);
	436	if (!gGeoManager) {
	437	Error("AliMUONReAlignTask", "getting geometry from file %s failed", "generated/galice.root");
	438	return;
	439	}
	440	}
cd8521dd	441
4d610fd5	442	// Load mapping
	443	AliCDBManager* man = AliCDBManager::Instance();
	444	man->SetDefaultStorage(defaultOCDB);
	445	man->SetSpecificStorage("MUON/Align/Data",misAlignOCDB);
	446	man->Print();
	447	man->SetRun(0);
	448	if ( ! AliMpCDB::LoadDDLStore() ) {
	449	Error("MUONRefit","Could not access mapping from OCDB !");
	450	exit(-1);
	451	}
cd8521dd	452
	453	// set mag field
	454	if (!TGeoGlobalMagField::Instance()->GetField()) {
	455	printf("Loading field map...\n");
	456	AliGRPManager *grpMan = new AliGRPManager();
	457	grpMan->ReadGRPEntry();
	458	grpMan->SetMagField();
	459	delete grpMan;
	460	}
	461	// set the magnetic field for track extrapolations
	462	AliMUONTrackExtrap::SetField();
4d610fd5	463
	464	// Load initial reconstruction parameters from OCDB
	465	// reconstruction parameters
	466	fRecoParam = AliMUONRecoParam::GetCosmicParam();
	467
	468	// digit selection
	469	fRecoParam->SetPadGoodnessMask(0x400BE80);
	470	// TString caliboption = caliboption1;
	471	// if ( calib == 2 ) caliboption = caliboption2;
	472	// fRecoParam->SetCalibrationMode("NOGAIN"caliboption.Data());
	473	fRecoParam->SetCalibrationMode("NOGAIN");
	474
	475	// chamber resolution (incuding misalignment)
	476	for (Int_t iCh=0; iCh<10; iCh++) {
	477	fRecoParam->SetDefaultNonBendingReso(iCh,0.4);
	478	fRecoParam->SetDefaultBendingReso(iCh,0.4);
	479	}
	480	fRecoParam->SetMaxNonBendingDistanceToTrack(10.);
	481	fRecoParam->SetMaxBendingDistanceToTrack(10.);
	482
	483	// cut on (non)bending slopes
	484	//fRecoParam->SetMaxNonBendingSlope(0.6);
	485	//fRecoParam->SetMaxBendingSlope(0.6);
	486
	487	// tracking algorithm
	488	// fRecoParam->MakeMoreTrackCandidates(kTRUE);
	489	fRecoParam->RequestStation(0, kFALSE);
	490	fRecoParam->RequestStation(2, kFALSE);
	491	// fRecoParam->RequestStation(3, kFALSE);
	492	// fRecoParam->RequestStation(4, kFALSE);
	493	fRecoParam->SetSigmaCutForTracking(7.);
	494	fRecoParam->ImproveTracks(kTRUE, 7.);
	495	Info("MUONRefit", "\n initial recontruction parameters:");
	496	fRecoParam->Print("FULL");
	497
	498	AliMUONESDInterface::ResetTracker(fRecoParam);
	499	}
	500
	501	//-----------------------------------------------------------------------
	502	UInt_t AliMUONReAlignTask::BuildClusterMap(AliMUONTrack &track)
	503	{
	504	/// Build the map of clusters in tracking chambers
	505
	506	UInt_t muonClusterMap = 0;
	507
	508	AliMUONTrackParam* trackParam = static_cast<AliMUONTrackParam*>(track.GetTrackParamAtCluster()->First());
	509	while (trackParam) {
	510
	511	muonClusterMap \|= BIT(trackParam->GetClusterPtr()->GetChamberId());
	512
	513	trackParam = static_cast<AliMUONTrackParam*>(track.GetTrackParamAtCluster()->After(trackParam));
	514	}
	515
	516	return muonClusterMap;
	517
	518	}