[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 "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
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"
	48	#include "AliGeomManager.h"
	49
	50	#include "AliMpConstants.h"
	51	#include "AliMpCDB.h"
	52	#include "AliMpSegmentation.h"
	53	#include "AliMpVSegmentation.h"
	54	#include "AliMpPad.h"
	55	#include "AliMUONCalibrationData.h"
	56	#include "AliMUONVCalibParam.h"
	57	#include "AliMUONPadInfo.h"
	58	#include "AliMUONClusterInfo.h"
	59	#include "AliMUONRecoParam.h"
	60	#include "AliMUONESDInterface.h"
	61	#include "AliMUONRefitter.h"
	62	#include "AliMUONRecoParam.h"
	63	#include "AliMUONVDigit.h"
	64	#include "AliMUONVCluster.h"
	65	#include "AliMUONTrack.h"
	66	#include "AliMUONVTrackStore.h"
	67	#include "AliMUONVDigitStore.h"
	68	#include "AliMUONTrackParam.h"
	69	#include "AliMUONTrackExtrap.h"
	70	#include "AliMUONGeometryTransformer.h"
	71
	72	#include "AliMUONReAlignTask.h"
	73
	74	///\cond CLASSIMP
	75	ClassImp(AliMUONReAlignTask)
	76	///\endcond
	77
	78	//________________________________________________________________________
	79	AliMUONReAlignTask::AliMUONReAlignTask(const char name, const char geofilename, const char defaultocdb, const char misalignocdb)
	80	: AliAnalysisTask(name, ""),
	81	fESD(0x0),
82	fClusterInfoTree(0x0),
83	fClusterInfo(0x0),
84	fESDInterface(0x0),
85	fRefitter(0x0),
86	fRecoParam(0x0),
87	fGeoFilename(geofilename),
88	fMisAlignOCDB(misalignocdb),
89	fDefaultOCDB(defaultocdb),
90	fGeoTransformer(0x0),
91	fNewGeoTransformer(0x0),
92	fGainStore(0x0),
93	fPedStore(0x0),
94	fPrintLevel(0),
95	fLastRun(-1)
96	{
97	/// Default Constructor
98	// Define input and output slots here
99	// Input slot #0 works with a TChain
100	DefineInput(0, TChain::Class());
101	// Output slot #0 writes a TTree
102	DefineOutput(0, TTree::Class());
103
104	fClusterInfo = new AliMUONClusterInfo();
105	fESDInterface = new AliMUONESDInterface();
106	fGeoTransformer = new AliMUONGeometryTransformer();
107	fNewGeoTransformer = new AliMUONGeometryTransformer();
108	}
109
110	//________________________________________________________________________
111	AliMUONReAlignTask::AliMUONReAlignTask(const AliMUONReAlignTask& obj)
112	: AliAnalysisTask(obj),
113	fESD(0x0),
114	fClusterInfoTree(0x0),
115	fClusterInfo(0x0),
116	fESDInterface(0x0),
117	fRefitter(0x0),
118	fRecoParam(0x0),
119	fGeoFilename(""),
120	fMisAlignOCDB(""),
121	fDefaultOCDB(""),
122	fGeoTransformer(0x0),
123	fNewGeoTransformer(0x0),
124	fGainStore(0x0),
125	fPedStore(0x0),
126	fPrintLevel(0),
127	fLastRun(-1)
128	{
129	/// Copy constructor
130	fESD = obj.fESD;
131	fClusterInfoTree = obj.fClusterInfoTree;
132	fClusterInfo = obj.fClusterInfo;
133	fESDInterface = obj.fESDInterface;
134	fRefitter = obj.fRefitter;
135	fRecoParam = obj.fRecoParam;
136	fGeoFilename = obj.fGeoFilename;
137	fMisAlignOCDB = obj.fMisAlignOCDB;
138	fDefaultOCDB = obj.fDefaultOCDB;
139	fGeoTransformer = obj.fGeoTransformer;
140	fNewGeoTransformer = obj.fNewGeoTransformer;
141	fGainStore = obj.fGainStore;
142	fPedStore = obj.fPedStore;
143	fPrintLevel = obj.fPrintLevel;
144	fLastRun = obj.fLastRun;
145	}
146
147	//________________________________________________________________________________
148	AliMUONReAlignTask& AliMUONReAlignTask::operator=(const AliMUONReAlignTask& other)
149	{
150	/// Assignment
151	AliAnalysisTask::operator=(other);
152	fESD = other.fESD;
153	fClusterInfoTree = other.fClusterInfoTree;
154	fClusterInfo = other.fClusterInfo;
155	fESDInterface = other.fESDInterface;
156	fRefitter = other.fRefitter;
157	fRecoParam = other.fRecoParam;
158	fGeoFilename = other.fGeoFilename;
159	fMisAlignOCDB = other.fMisAlignOCDB;
160	fDefaultOCDB = other.fDefaultOCDB;
161	fGeoTransformer = other.fGeoTransformer;
162	fNewGeoTransformer = other.fNewGeoTransformer;
163	fGainStore = other.fGainStore;
164	fPedStore = other.fPedStore;
165	fPrintLevel = other.fPrintLevel;
166	fLastRun = other.fLastRun;
167
168	return *this;
169	}
170
171
172	//________________________________________________________________________
173	AliMUONReAlignTask::~AliMUONReAlignTask()
174	{
175	/// Destructor
176	if (fESDInterface) delete fESDInterface;
177	if (fGeoTransformer) delete fGeoTransformer;
178	if (fNewGeoTransformer) delete fNewGeoTransformer;
179	}
180
181	//________________________________________________________________________
182	void AliMUONReAlignTask::LocalInit()
183	{
184	/// Local initialization, called once per task on the client machine
185	/// where the analysis train is assembled
186	AliMpCDB::LoadMpSegmentation();
187
188	// prepare the refitting
189	gRandom->SetSeed(0);
190	Prepare(fGeoFilename.Data(),fDefaultOCDB.Data(),fMisAlignOCDB.Data());
191
192	fRefitter = new AliMUONRefitter(fRecoParam);
193	fRefitter->Connect(fESDInterface);
194
195	// Original geotransformer
196	fGeoTransformer->LoadGeometryData();
197	// Apply mis alignments
198	AliGeomManager::ApplyAlignObjsFromCDB("MUON");
199	// New geotransformer
200	fNewGeoTransformer->LoadGeometryData();
201
202	}
203
204	//________________________________________________________________________
205	void AliMUONReAlignTask::ConnectInputData(Option_t *)
206	{
207	/// Connect ESD here. Called on each input data change.
208	// Connect ESD here
209	TTree* esdTree = dynamic_cast<TTree*> (GetInputData(0));
210	if (!esdTree) {
211	Printf("ERROR: Could not read chain from input slot 0");
212	}
213	else {
214	AliESDInputHandler esdH = dynamic_cast<AliESDInputHandler> (AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler());
215	if (!esdH) {
216	Printf("ERROR: Could not get ESDInputHandler");
217	}
218	else {
219	fESD = esdH->GetEvent();
220	}
221	}
222	}
223
224	//________________________________________________________________________
225	void AliMUONReAlignTask::CreateOutputObjects()
226	{
227	/// Executed once on each worker (machine actually running the analysis code)
228	//
229	// This method has to be called INSIDE the user redefined CreateOutputObjects
230	// method, before creating each object corresponding to the output containers
231	// that are to be written to a file. This need to be done in general for the big output
232	// objects that may not fit memory during processing.
233	OpenFile(0);
234
235	fClusterInfoTree = new TTree("clusterInfoTree","clusterInfoTree");
236	fClusterInfoTree->Branch("clusterInfo", &fClusterInfo, 32000, 99);
237
238	}
239
240	//________________________________________________________________________
241	void AliMUONReAlignTask::Exec(Option_t *)
242	{
243	/// Main loop, called for each event
244	if (!fESD) {
245	Printf("ERROR: fESD not available");
246	return;
247	}
248
249	// Prepare Gain and Pedestal store
250	if (!fGainStore \|\| fLastRun!=fESD->GetRunNumber()){
251	fGainStore = AliMUONCalibrationData::CreateGains(fESD->GetRunNumber());
252	fLastRun = fESD->GetRunNumber();
253	}
254	if (!fPedStore \|\| fLastRun!=fESD->GetRunNumber()){
255	fPedStore = AliMUONCalibrationData::CreatePedestals(fESD->GetRunNumber());
256	fLastRun = fESD->GetRunNumber();
257	}
258
259	AliMUONPadInfo padInfo;
260
261	Int_t nTracks = (Int_t)fESD->GetNumberOfMuonTracks();
262	if (nTracks < 1) return;
263
264	// load the current event
265	fESDInterface->LoadEvent(*fESD);
266	AliMUONVDigitStore* digitStore = fESDInterface->GetDigits();
267
268	Double_t lX = 0.;
269	Double_t lY = 0.;
270	Double_t lZ = 0.;
271	Double_t gX = 0.;
272	Double_t gY = 0.;
273	Double_t gZ = 0.;
274	// loop over cluster to modify their position
275	AliMUONVCluster *cluster;
276	TIter next(fESDInterface->CreateClusterIterator());
277	while ((cluster = static_cast<AliMUONVCluster*>(next()))) {
278	// cout << "Original cluster" << endl;
279	// cluster->Print();
280	gX = cluster->GetX();
281	gY = cluster->GetY();
282	gZ = cluster->GetZ();
283	fGeoTransformer->Global2Local(cluster->GetDetElemId(),gX,gY,gZ,lX,lY,lZ);
284	fNewGeoTransformer->Local2Global(cluster->GetDetElemId(),lX,lY,lZ,gX,gY,gZ);
285	cluster->SetXYZ(gX,gY,gZ);
286	// cout << "Aligned cluster" << endl;
287	// cluster->Print();
288	}
289
290	// refit the tracks from digits
291	AliMUONVTrackStore* newTrackStore = fRefitter->ReconstructFromClusters();
292
293	//----------------------------------------------//
294	// ------ fill new ESD and print results ------ //
295	//----------------------------------------------//
296	// loop over the list of ESD tracks
297	TClonesArray esdTracks = (TClonesArray) fESD->FindListObject("MuonTracks");
298	for (Int_t iTrack = 0; iTrack < nTracks; iTrack++) {
299	// get the ESD track
300	AliESDMuonTrack* esdTrack = (AliESDMuonTrack*) esdTracks->UncheckedAt(iTrack);
301
302	// skip ghost tracks (leave them unchanged in the new ESD file)
303	if (!esdTrack->ContainTrackerData()) continue;
304
305	// get the corresponding MUON track
306	AliMUONTrack* track = fESDInterface->FindTrack(esdTrack->GetUniqueID());
307
308	// Find the corresponding re-fitted MUON track
309	AliMUONTrack* newTrack = (AliMUONTrack*) newTrackStore->FindObject(esdTrack->GetUniqueID());
310
311	// // replace the content of the current ESD track or remove it if the refitting has failed
312	// if (newTrack) {
313	// Double_t vertex[3] = {esdTrack->GetNonBendingCoor(), esdTrack->GetBendingCoor(), esdTrack->GetZ()};
314	// AliMUONESDInterface::MUONToESD(newTrack, esdTrack, vertex, esdInterface.GetDigits());
315	// } else {
316	// esdTracks->Remove(esdTrack);
317	// }
318
319	// print initial and re-fitted track parameters at first cluster if any
320	if (fPrintLevel>0) {
321	cout<<" ----------------track #"<<iTrack+1<<"----------------"<<endl;
322	cout<<"before refit:"<<endl;
323	AliMUONTrackParam param = (AliMUONTrackParam) track->GetTrackParamAtCluster()->First();
324	param->Print("FULL");
325	if (fPrintLevel>1) param->GetCovariances().Print();
326	if (!newTrack) continue;
327	cout<<"after refit:"<<endl;
328	param = (AliMUONTrackParam*) newTrack->GetTrackParamAtCluster()->First();
329	param->Print("FULL");
330	if (fPrintLevel>1) param->GetCovariances().Print();
331	cout<<" ----------------------------------------"<<endl;
332	}
333
334	// Cluster Info part
335	UInt_t muonClusterMap = BuildClusterMap(*newTrack);
336
337	// loop over clusters
338	AliMUONTrackParam* trackParam = static_cast<AliMUONTrackParam*>(newTrack->GetTrackParamAtCluster()->First());
339	while (trackParam) {
340	fClusterInfo->Clear("C");
341
342	// fill cluster info
343	cluster = trackParam->GetClusterPtr();
344	fClusterInfo->SetRunId(fESD->GetRunNumber());
345	fClusterInfo->SetEventId(fESD->GetEventNumberInFile());
346	fClusterInfo->SetZ(cluster->GetZ());
347	fClusterInfo->SetClusterId(cluster->GetUniqueID());
348	fClusterInfo->SetClusterXY(cluster->GetX(), cluster->GetY());
349	fClusterInfo->SetClusterXYErr(cluster->GetErrX(), cluster->GetErrY());
350	fClusterInfo->SetClusterChi2(cluster->GetChi2());
351	fClusterInfo->SetClusterCharge(cluster->GetCharge());
352
353	// fill track info
354	fClusterInfo->SetTrackId(newTrack->GetUniqueID());
355	fClusterInfo->SetTrackXY(trackParam->GetNonBendingCoor(), trackParam->GetBendingCoor());
356	fClusterInfo->SetTrackThetaXY(TMath::ATan(trackParam->GetNonBendingSlope()), TMath::ATan(trackParam->GetBendingSlope()));
357	fClusterInfo->SetTrackP(trackParam->P());
358	const TMatrixD paramCov = trackParam->GetCovariances();
359	fClusterInfo->SetTrackXYErr(TMath::Sqrt(paramCov(0,0)), TMath::Sqrt(paramCov(2,2)));
360	fClusterInfo->SetTrackChi2(newTrack->GetNormalizedChi2());
361	fClusterInfo->SetTrackCharge((Short_t)trackParam->GetCharge());
362	fClusterInfo->SetTrackNHits(newTrack->GetNClusters());
363	fClusterInfo->SetTrackChamberHitMap(muonClusterMap);
364
365	// fill pad info if available
366	for (Int_t i=0; i<cluster->GetNDigits(); i++) {
367	AliMUONVDigit* digit = digitStore->FindObject(cluster->GetDigitId(i));
368	if (!digit) continue;
369
370	// pad location
371	const AliMpVSegmentation* seg = AliMpSegmentation::Instance()->
372	GetMpSegmentation(digit->DetElemId(),AliMp::GetCathodType(digit->Cathode()));
373	AliMpPad pad = seg->PadByIndices(digit->PadX(), digit->PadY());
374
375	// calibration parameters
376	AliMUONVCalibParam* ped = fPedStore ? static_cast<AliMUONVCalibParam*>(fPedStore->FindObject(digit->DetElemId(), digit->ManuId())) : 0x0;
377	AliMUONVCalibParam* gain = fGainStore ? static_cast<AliMUONVCalibParam*>(fGainStore->FindObject(digit->DetElemId(), digit->ManuId())) : 0x0;
378	Int_t manuChannel = digit->ManuChannel();
379	Int_t planeType = 0;
380	if ( digit->ManuId() & AliMpConstants::ManuMask(AliMp::kNonBendingPlane)) {
381	planeType = 1;
382	}
383
384	// fill pad info
385	padInfo.SetPadId(digit->GetUniqueID());
386	padInfo.SetPadPlaneType(planeType);
387	padInfo.SetPadXY(pad.GetPositionX(), pad.GetPositionY());
388	padInfo.SetPadDimXY(pad.GetDimensionX(), pad.GetDimensionY());
389	padInfo.SetPadCharge((Double_t)digit->Charge());
390	padInfo.SetPadADC(digit->ADC());
391	padInfo.SetSaturated(digit->IsSaturated());
392	padInfo.SetCalibrated(digit->IsCalibrated());
393	padInfo.SetPedestal(ped->ValueAsFloatFast(manuChannel,0), ped->ValueAsFloatFast(manuChannel,1));
394	padInfo.SetGain(gain->ValueAsFloatFast(manuChannel,0), gain->ValueAsFloatFast(manuChannel,1),
395	gain->ValueAsFloatFast(manuChannel,2), gain->ValueAsFloatFast(manuChannel,3));
396
397	fClusterInfo->AddPad(padInfo);
398	}
399
400	// fill cluster info tree
401	fClusterInfoTree->Fill();
402	trackParam = static_cast<AliMUONTrackParam*>(track->GetTrackParamAtCluster()->After(trackParam));
403	}
404	}
405	// free memory
406	delete newTrackStore;
407
408
409	// Post final data. Write histo list to a file with option "RECREATE"
410	PostData(0,fClusterInfoTree);
411	}
412
413	//________________________________________________________________________
414	void AliMUONReAlignTask::Terminate(const Option_t*)
415	{
416	/// Called once per task on the client machine at the end of the analysis.
417
418	}
419
420	//-----------------------------------------------------------------------
421	void AliMUONReAlignTask::Prepare(const char* geoFilename, const char* defaultOCDB, const char* misAlignOCDB)
422	{
423	/// Set the geometry, the magnetic field, the mapping and the reconstruction parameters
424
425	// Import TGeo geometry (needed by AliMUONTrackExtrap::ExtrapToVertex)
426	if (!gGeoManager) {
427	AliGeomManager::LoadGeometry(geoFilename);
428	if (!gGeoManager) {
429	Error("AliMUONReAlignTask", "getting geometry from file %s failed", "generated/galice.root");
430	return;
431	}
432	}
433
434	// set mag field
435	printf("Loading field map...\n");
436	AliMagF* field = new AliMagF("Maps","Maps",2,0.,0., 10.,AliMagF::k5kG);
437	TGeoGlobalMagField::Instance()->SetField(field);
438	TGeoGlobalMagField::Instance()->Lock();
439
440	// Load mapping
441	AliCDBManager* man = AliCDBManager::Instance();
442	man->SetDefaultStorage(defaultOCDB);
443	man->SetSpecificStorage("MUON/Align/Data",misAlignOCDB);
444	man->Print();
445	man->SetRun(0);
446	if ( ! AliMpCDB::LoadDDLStore() ) {
447	Error("MUONRefit","Could not access mapping from OCDB !");
448	exit(-1);
449	}
450
451	// Load initial reconstruction parameters from OCDB
452	// reconstruction parameters
453	fRecoParam = AliMUONRecoParam::GetCosmicParam();
454
455	// digit selection
456	fRecoParam->SetPadGoodnessMask(0x400BE80);
457	// TString caliboption = caliboption1;
458	// if ( calib == 2 ) caliboption = caliboption2;
459	// fRecoParam->SetCalibrationMode("NOGAIN"caliboption.Data());
460	fRecoParam->SetCalibrationMode("NOGAIN");
461
462	// chamber resolution (incuding misalignment)
463	for (Int_t iCh=0; iCh<10; iCh++) {
464	fRecoParam->SetDefaultNonBendingReso(iCh,0.4);
465	fRecoParam->SetDefaultBendingReso(iCh,0.4);
466	}
467	fRecoParam->SetMaxNonBendingDistanceToTrack(10.);
468	fRecoParam->SetMaxBendingDistanceToTrack(10.);
469
470	// cut on (non)bending slopes
471	//fRecoParam->SetMaxNonBendingSlope(0.6);
472	//fRecoParam->SetMaxBendingSlope(0.6);
473
474	// tracking algorithm
475	// fRecoParam->MakeMoreTrackCandidates(kTRUE);
476	fRecoParam->RequestStation(0, kFALSE);
477	fRecoParam->RequestStation(2, kFALSE);
478	// fRecoParam->RequestStation(3, kFALSE);
479	// fRecoParam->RequestStation(4, kFALSE);
480	fRecoParam->SetSigmaCutForTracking(7.);
481	fRecoParam->ImproveTracks(kTRUE, 7.);
482	Info("MUONRefit", "\n initial recontruction parameters:");
483	fRecoParam->Print("FULL");
484
485	AliMUONESDInterface::ResetTracker(fRecoParam);
486	}
487
488	//-----------------------------------------------------------------------
489	UInt_t AliMUONReAlignTask::BuildClusterMap(AliMUONTrack &track)
490	{
491	/// Build the map of clusters in tracking chambers
492
493	UInt_t muonClusterMap = 0;
494
495	AliMUONTrackParam* trackParam = static_cast<AliMUONTrackParam*>(track.GetTrackParamAtCluster()->First());
496	while (trackParam) {
497
498	muonClusterMap \|= BIT(trackParam->GetClusterPtr()->GetChamberId());
499
500	trackParam = static_cast<AliMUONTrackParam*>(track.GetTrackParamAtCluster()->After(trackParam));
501	}
502
503	return muonClusterMap;
504
505	}