[u/mrichter/AliRoot.git] / MUON / MUONClusterInfo.C

/**************************************************************************
 * 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.                  *
 **************************************************************************/

/* $Id$ */

/// \ingroup macros
/// \file MUONClusterInfo.C
/// \brief Macro to fill AliMUONClusterInfo objects
///
/// \author Philippe Pillot, SUBATECH

#if !defined(__CINT__) || defined(__MAKECINT__)
#include <TStopwatch.h>
#include <TFile.h>
#include <TObjArray.h>
#include <TTree.h>
#include <TString.h>
#include <Riostream.h>
#include <TRandom.h>
#include <TROOT.h>
#include <TMath.h>

// STEER includes
#include "AliESDEvent.h"
#include "AliRecoParam.h"
#include "AliCDBManager.h"
#include "AliRunLoader.h"
#include "AliLoader.h"
#include "AliHeader.h"

// MUON includes
#include "AliMpConstants.h"
#include "AliMpSegmentation.h"
#include "AliMpVSegmentation.h"
#include "AliMpPad.h"
#include "AliMUONCDB.h"
#include "AliMUONCalibrationData.h"
#include "AliMUONVCalibParam.h"
#include "AliMUONPadInfo.h"
#include "AliMUONClusterInfo.h"
#include "AliMUONRecoParam.h"
#include "AliMUONESDInterface.h"
#include "AliMUONVDigit.h"
#include "AliMUONVDigitStore.h"
#include "AliMUONVCluster.h"
#include "AliMUONVClusterStore.h"
#include "AliMUONTrack.h"
#include "AliMUONTrackParam.h"
#endif

const Int_t printLevel = 1;

TTree* GetESDTree(TFile *esdFile);
UInt_t buildClusterMap(AliMUONTrack &track);

//-----------------------------------------------------------------------
void MUONClusterInfo(Int_t nevents = -1, const char* esdFileName = "AliESDs.root", const char* inFileName = "galice.root",
		     const TString ocdbPath = "local://$ALICE_ROOT/OCDB", const char* outFileName = "clusterInfo.root")
{
  /// 1) if (esdFileName != "")
  /// loop over ESD event and fill AliMUONClusterInfo object with cluster + corresponding track parameters;
  /// 2) if (inFileName != "")
  /// loop over RecPoints and fill AliMUONClusterInfo object with cluster not attached to a track;
  /// 3) write results in a new root file.
  ///
  /// ******************************************* WARNING ******************************************* ///
  /// track parameters at each cluster are recomputed by the interface using Kalman filter + Smoother ///
  /// (It can be changed by resetting the tracker in the interface with a new recoParam object)       ///
  /// and the magnetic field set in the function prepare()                                            ///
  /// ******************************************* WARNING ******************************************* ///
  
  Bool_t useESD = (strcmp(esdFileName,""));
  Bool_t useRecPoints = (strcmp(inFileName,""));
  if (!useESD && !useRecPoints) {
    Error("MUONClusterInfo","you must provide ESD and/or galice root file(s)");
    return;
  }
  
  AliMUONClusterInfo* clusterInfo = new AliMUONClusterInfo();
  AliMUONPadInfo padInfo;
  AliMUONCalibrationData* calibData = 0x0;
  AliMUONESDInterface esdInterface;
  AliMUONVClusterStore* clusterStore = 0x0;
  AliMUONVDigitStore* digitStore = 0x0;
  
  // open the ESD file and tree and connect the ESD event
  TFile* esdFile = 0x0;
  TTree* esdTree = 0x0;
  AliESDEvent* esd = 0x0;
  Int_t runNumber = -1;
  if (useESD) {
    esdFile = TFile::Open(esdFileName);
    esdTree = GetESDTree(esdFile);
    esd = new AliESDEvent();
    esd->ReadFromTree(esdTree);
    if (esdTree->GetEvent(0) <= 0) {
      Error("MUONClusterInfo", "no ESD object found for event 0");
      return;
    }
    runNumber = esd->GetRunNumber();
  }
  
  // get the cluster from RecPoints
  AliRunLoader * rl = 0x0;
  AliLoader* MUONLoader = 0x0;
  if (useRecPoints) {
    rl = AliRunLoader::Open(inFileName,"MUONLoader");
    MUONLoader = rl->GetDetectorLoader("MUON");
    MUONLoader->LoadRecPoints("READ");   
    MUONLoader->LoadDigits("READ");
    rl->LoadHeader();
    if (runNumber < 0) runNumber = rl->GetHeader()->GetRun();
  }
  
  // load necessary data from OCDB
  AliCDBManager::Instance()->SetDefaultStorage(ocdbPath);
  AliCDBManager::Instance()->SetRun(runNumber);
  if (!AliMUONCDB::LoadField()) return;
  if (!AliMUONCDB::LoadMapping(kTRUE)) return;
  AliMUONRecoParam* recoParam = AliMUONCDB::LoadRecoParam();
  if (!recoParam) return;
  
  // reset tracker for track restoring initial track parameters at cluster
  AliMUONESDInterface::ResetTracker(recoParam);
  
  // prepare access to calibration data
  calibData = new AliMUONCalibrationData(runNumber);
  
  // prepare the output tree
  gROOT->cd();
  TFile* clusterInfoFile = TFile::Open(outFileName, "RECREATE");
  clusterInfoFile->SetCompressionLevel(1);
  
  TTree* clusterInfoTree = new TTree("clusterInfoTree","clusterInfoTree");
  clusterInfoTree->Branch("clusterInfo", &clusterInfo, 32000, 99);
  
  // timer start...
  TStopwatch timer;
  
  // Loop over events
  if (useESD) {
    if (nevents > 0) nevents = TMath::Min(nevents,(Int_t)esdTree->GetEntries());
    else nevents = (Int_t)esdTree->GetEntries();
  } else {
    if (nevents > 0) nevents = TMath::Min(nevents,(Int_t)rl->GetNumberOfEvents());
    else nevents = (Int_t)rl->GetNumberOfEvents();
  }
  for (Int_t iEvent = 0; iEvent < nevents; iEvent++) {
    
    //----------------------------------------------//
    // -------------- process event --------------- //
    //----------------------------------------------//
    // get the ESD of current event
    if (useESD) {
      esdTree->GetEvent(iEvent);
      if (!esd) {
        Error("MUONClusterInfo", "no ESD object found for event %d", iEvent);
        return;
      }
      // load the current esd event
      esdInterface.LoadEvent(*esd);
      // get digit store
      if (!useRecPoints) digitStore = esdInterface.GetDigits();
    }
    
    if (useRecPoints) {
      if (!(rl->GetEvent(iEvent) == 0)) {
        Error("MUONClusterInfo", "unable to load event %d", iEvent);
	return;
      }
      // get the clusters of current event
      TTree* treeR = MUONLoader->TreeR();
      clusterStore = AliMUONVClusterStore::Create(*treeR);
      if ( clusterStore != 0x0 ) {
	clusterStore->Clear();
	clusterStore->Connect(*treeR);
	treeR->GetEvent(0);
      }
      // get the digits of current event
      TTree* treeD = MUONLoader->TreeD();
      if (treeD) {
	digitStore = AliMUONVDigitStore::Create(*treeD);
	if ( digitStore != 0x0 ) {
	  digitStore->Clear();
	  digitStore->Connect(*treeD);
	  treeD->GetEvent(0);
	}
      }
    }
    
    //----------------------------------------------//
    // ------------- fill cluster info ------------ //
    //----------------------------------------------//
    // --- loop over the refitted tracks ---
    if (useESD) {
      
      TIter nextTrack(esdInterface.CreateTrackIterator());
      AliMUONTrack* track;
      while ((track = static_cast<AliMUONTrack*>(nextTrack()))) {
	
	UInt_t muonClusterMap = buildClusterMap(*track);
	
	// loop over clusters
	AliMUONTrackParam* trackParam = static_cast<AliMUONTrackParam*>(track->GetTrackParamAtCluster()->First());
	while (trackParam) {
	  clusterInfo->Clear("C");
	  
	  // fill cluster info
	  AliMUONVCluster* cluster = trackParam->GetClusterPtr();
	  clusterInfo->SetRunId(esd->GetRunNumber());
	  clusterInfo->SetEventId(iEvent);
	  clusterInfo->SetZ(cluster->GetZ());
	  clusterInfo->SetClusterId(cluster->GetUniqueID());
	  clusterInfo->SetClusterXY(cluster->GetX(), cluster->GetY());
	  clusterInfo->SetClusterXYErr(cluster->GetErrX(), cluster->GetErrY());
	  clusterInfo->SetClusterChi2(cluster->GetChi2());
	  clusterInfo->SetClusterCharge(cluster->GetCharge());
	  
	  // fill track info
	  clusterInfo->SetTrackId(track->GetUniqueID());
	  clusterInfo->SetTrackXY(trackParam->GetNonBendingCoor(), trackParam->GetBendingCoor());
	  clusterInfo->SetTrackThetaXY(TMath::ATan(trackParam->GetNonBendingSlope()), TMath::ATan(trackParam->GetBendingSlope()));
	  clusterInfo->SetTrackP(trackParam->P());
	  const TMatrixD paramCov = trackParam->GetCovariances();
	  clusterInfo->SetTrackXYErr(TMath::Sqrt(paramCov(0,0)), TMath::Sqrt(paramCov(2,2)));
	  clusterInfo->SetTrackChi2(track->GetNormalizedChi2());
	  clusterInfo->SetTrackCharge((Short_t)trackParam->GetCharge());
	  clusterInfo->SetTrackNHits(track->GetNClusters());
	  clusterInfo->SetTrackChamberHitMap(muonClusterMap);
	  
	  // fill pad info if available	  
	  if (digitStore) 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 = calibData->Pedestals(digit->DetElemId(), digit->ManuId());
	    AliMUONVCalibParam* gain = calibData->Gains(digit->DetElemId(), digit->ManuId());
	    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));
	    
	    clusterInfo->AddPad(padInfo);
	  }
	  
	  // remove clusters attached to a track
	  if (useRecPoints) {
	    AliMUONVCluster* cl = clusterStore->FindObject(cluster->GetUniqueID());
	    if (cl) clusterStore->Remove(*cl);
	  }
	  
	  // fill cluster info tree
	  clusterInfoTree->Fill();
	  
	  trackParam = static_cast<AliMUONTrackParam*>(track->GetTrackParamAtCluster()->After(trackParam));
	}
	
      }
      
    }
    
    // --- loop over clusters not attached to a track ---
    if (useRecPoints) {
      
      TIter nextCluster(clusterStore->CreateIterator());
      AliMUONVCluster *cluster;
      while ( ( cluster = static_cast<AliMUONVCluster*>(nextCluster()) ) ) {
	
	clusterInfo->Clear("C");
	
	// fill cluster info
	clusterInfo->SetRunId(rl->GetRunNumber());
	clusterInfo->SetEventId(iEvent);
	clusterInfo->SetZ(cluster->GetZ());
	clusterInfo->SetClusterId(cluster->GetUniqueID());
	clusterInfo->SetClusterXY(cluster->GetX(), cluster->GetY());
	clusterInfo->SetClusterXYErr(cluster->GetErrX(), cluster->GetErrY());
	clusterInfo->SetClusterChi2(cluster->GetChi2());
	clusterInfo->SetClusterCharge(cluster->GetCharge());
	
	// fill dummy track info
	clusterInfo->SetTrackId(0);
	clusterInfo->SetTrackXY(0.,0.);
	clusterInfo->SetTrackThetaXY(0.,0.);
	clusterInfo->SetTrackP(0.);
	clusterInfo->SetTrackXYErr(0.,0.);
	clusterInfo->SetTrackChi2(0.);
	clusterInfo->SetTrackCharge(0);
	clusterInfo->SetTrackNHits(0);
	clusterInfo->SetTrackChamberHitMap(0);
	
	// fill pad info if available	  
	if (digitStore) 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 = calibData->Pedestals(digit->DetElemId(), digit->ManuId());
	  AliMUONVCalibParam* gain = calibData->Gains(digit->DetElemId(), digit->ManuId());
	  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));
	  
	  clusterInfo->AddPad(padInfo);
	}
	
	// fill cluster info tree
	clusterInfoTree->Fill();
	
      }
      
      delete digitStore;
      delete clusterStore;
      
    }
    
  }
  
  // ...timer stop
  timer.Stop();
  printf("Writing Tree\n");
  // write output tree
  clusterInfoFile->cd();
  clusterInfoTree->Write();
  printf("Deleting Tree\n");
  delete clusterInfoTree;
  printf("Closing File\n");
  clusterInfoFile->Close();
  
  // free memory
  printf("Deleting calibData\n");
  delete calibData;
  printf("Deleting clusterInfo\n");
  delete clusterInfo;
  if (useRecPoints) {
    MUONLoader->UnloadDigits();
    MUONLoader->UnloadRecPoints();
    rl->UnloadHeader();
    delete rl;
  }
  if (useESD) {
    esdFile->Close();
    delete esd;
  }
  cout<<endl<<"time to fill cluster/track info: R:"<<timer.RealTime()<<" C:"<<timer.CpuTime()<<endl<<endl;
}

//-----------------------------------------------------------------------
TTree* GetESDTree(TFile *esdFile)
{
  /// Check that the file is properly open
  /// Return pointer to the ESD Tree
  
  if (!esdFile || !esdFile->IsOpen()) {
    Error("GetESDTree", "opening ESD file failed");
    exit(-1);
  }
  
  TTree* tree = (TTree*) esdFile->Get("esdTree");
  if (!tree) {
    Error("GetESDTree", "no ESD tree found");
    exit(-1);
  }
  
  return tree;
  
}

      
//-----------------------------------------------------------------------
UInt_t 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
fcefbac4	1	/**************************************************************************
41c52850	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	**************************************************************************/
fcefbac4	15
	16	/* $Id$ */
	17
	18	/// \ingroup macros
	19	/// \file MUONClusterInfo.C
	20	/// \brief Macro to fill AliMUONClusterInfo objects
	21	///
	22	/// \author Philippe Pillot, SUBATECH
	23
	24	#if !defined(__CINT__) \|\| defined(__MAKECINT__)
	25	#include <TStopwatch.h>
	26	#include <TFile.h>
ce8cd162	27	#include <TObjArray.h>
fcefbac4	28	#include <TTree.h>
	29	#include <TString.h>
	30	#include <Riostream.h>
fcefbac4	31	#include <TRandom.h>
fcefbac4	32	#include <TROOT.h>
41c52850	33	#include <TMath.h>
fcefbac4	34
fcefbac4	35	// STEER includes
fcefbac4	36	#include "AliESDEvent.h"
fcefbac4	37	#include "AliRecoParam.h"
fcefbac4	38	#include "AliCDBManager.h"
41c52850	39	#include "AliRunLoader.h"
41c52850	40	#include "AliLoader.h"
a99c3449	41	#include "AliHeader.h"
fcefbac4	42
fcefbac4	43	// MUON includes
41c52850	44	#include "AliMpConstants.h"
fcefbac4	45	#include "AliMpSegmentation.h"
	46	#include "AliMpVSegmentation.h"
	47	#include "AliMpPad.h"
a99c3449	48	#include "AliMUONCDB.h"
fcefbac4	49	#include "AliMUONCalibrationData.h"
	50	#include "AliMUONVCalibParam.h"
	51	#include "AliMUONPadInfo.h"
	52	#include "AliMUONClusterInfo.h"
	53	#include "AliMUONRecoParam.h"
	54	#include "AliMUONESDInterface.h"
fcefbac4	55	#include "AliMUONVDigit.h"
	56	#include "AliMUONVDigitStore.h"
	57	#include "AliMUONVCluster.h"
41c52850	58	#include "AliMUONVClusterStore.h"
fcefbac4	59	#include "AliMUONTrack.h"
fcefbac4	60	#include "AliMUONTrackParam.h"
fcefbac4	61	#endif
	62
	63	const Int_t printLevel = 1;
	64
fcefbac4	65	TTree* GetESDTree(TFile *esdFile);
41c52850	66	UInt_t buildClusterMap(AliMUONTrack &track);
fcefbac4	67
fcefbac4	68	//-----------------------------------------------------------------------
a99c3449	69	void MUONClusterInfo(Int_t nevents = -1, const char* esdFileName = "AliESDs.root", const char* inFileName = "galice.root",
a99c3449	70	const TString ocdbPath = "local://$ALICE_ROOT/OCDB", const char* outFileName = "clusterInfo.root")
fcefbac4	71	{
41c52850	72	/// 1) if (esdFileName != "")
	73	/// loop over ESD event and fill AliMUONClusterInfo object with cluster + corresponding track parameters;
	74	/// 2) if (inFileName != "")
	75	/// loop over RecPoints and fill AliMUONClusterInfo object with cluster not attached to a track;
	76	/// 3) write results in a new root file.
	77	///
	78	/// ***************************************** WARNING ***************************************** ///
	79	/// track parameters at each cluster are recomputed by the interface using Kalman filter + Smoother ///
	80	/// (It can be changed by resetting the tracker in the interface with a new recoParam object) ///
	81	/// and the magnetic field set in the function prepare() ///
	82	/// ***************************************** WARNING ***************************************** ///
	83
	84	Bool_t useESD = (strcmp(esdFileName,""));
	85	Bool_t useRecPoints = (strcmp(inFileName,""));
	86	if (!useESD && !useRecPoints) {
	87	Error("MUONClusterInfo","you must provide ESD and/or galice root file(s)");
	88	return;
	89	}
fcefbac4	90
	91	AliMUONClusterInfo* clusterInfo = new AliMUONClusterInfo();
	92	AliMUONPadInfo padInfo;
	93	AliMUONCalibrationData* calibData = 0x0;
8468d8c6	94	AliMUONESDInterface esdInterface;
41c52850	95	AliMUONVClusterStore* clusterStore = 0x0;
41c52850	96	AliMUONVDigitStore* digitStore = 0x0;
fcefbac4	97
fcefbac4	98	// open the ESD file and tree and connect the ESD event
41c52850	99	TFile* esdFile = 0x0;
	100	TTree* esdTree = 0x0;
	101	AliESDEvent* esd = 0x0;
a99c3449	102	Int_t runNumber = -1;
41c52850	103	if (useESD) {
	104	esdFile = TFile::Open(esdFileName);
	105	esdTree = GetESDTree(esdFile);
	106	esd = new AliESDEvent();
	107	esd->ReadFromTree(esdTree);
a99c3449	108	if (esdTree->GetEvent(0) <= 0) {
	109	Error("MUONClusterInfo", "no ESD object found for event 0");
	110	return;
	111	}
	112	runNumber = esd->GetRunNumber();
41c52850	113	}
	114
	115	// get the cluster from RecPoints
	116	AliRunLoader * rl = 0x0;
	117	AliLoader* MUONLoader = 0x0;
	118	if (useRecPoints) {
	119	rl = AliRunLoader::Open(inFileName,"MUONLoader");
	120	MUONLoader = rl->GetDetectorLoader("MUON");
	121	MUONLoader->LoadRecPoints("READ");
	122	MUONLoader->LoadDigits("READ");
a99c3449	123	rl->LoadHeader();
a99c3449	124	if (runNumber < 0) runNumber = rl->GetHeader()->GetRun();
41c52850	125	}
fcefbac4	126
a99c3449	127	// load necessary data from OCDB
	128	AliCDBManager::Instance()->SetDefaultStorage(ocdbPath);
	129	AliCDBManager::Instance()->SetRun(runNumber);
	130	if (!AliMUONCDB::LoadField()) return;
	131	if (!AliMUONCDB::LoadMapping(kTRUE)) return;
	132	AliMUONRecoParam* recoParam = AliMUONCDB::LoadRecoParam();
	133	if (!recoParam) return;
	134
	135	// reset tracker for track restoring initial track parameters at cluster
	136	AliMUONESDInterface::ResetTracker(recoParam);
	137
	138	// prepare access to calibration data
	139	calibData = new AliMUONCalibrationData(runNumber);
	140
fcefbac4	141	// prepare the output tree
	142	gROOT->cd();
	143	TFile* clusterInfoFile = TFile::Open(outFileName, "RECREATE");
	144	clusterInfoFile->SetCompressionLevel(1);
	145
	146	TTree* clusterInfoTree = new TTree("clusterInfoTree","clusterInfoTree");
	147	clusterInfoTree->Branch("clusterInfo", &clusterInfo, 32000, 99);
	148
	149	// timer start...
	150	TStopwatch timer;
	151
41c52850	152	// Loop over events
	153	if (useESD) {
	154	if (nevents > 0) nevents = TMath::Min(nevents,(Int_t)esdTree->GetEntries());
	155	else nevents = (Int_t)esdTree->GetEntries();
	156	} else {
	157	if (nevents > 0) nevents = TMath::Min(nevents,(Int_t)rl->GetNumberOfEvents());
	158	else nevents = (Int_t)rl->GetNumberOfEvents();
	159	}
fcefbac4	160	for (Int_t iEvent = 0; iEvent < nevents; iEvent++) {
	161
	162	//----------------------------------------------//
	163	// -------------- process event --------------- //
	164	//----------------------------------------------//
	165	// get the ESD of current event
41c52850	166	if (useESD) {
	167	esdTree->GetEvent(iEvent);
	168	if (!esd) {
	169	Error("MUONClusterInfo", "no ESD object found for event %d", iEvent);
	170	return;
	171	}
	172	// load the current esd event
	173	esdInterface.LoadEvent(*esd);
	174	// get digit store
	175	if (!useRecPoints) digitStore = esdInterface.GetDigits();
fcefbac4	176	}
fcefbac4	177
41c52850	178	if (useRecPoints) {
	179	if (!(rl->GetEvent(iEvent) == 0)) {
	180	Error("MUONClusterInfo", "unable to load event %d", iEvent);
	181	return;
	182	}
	183	// get the clusters of current event
	184	TTree* treeR = MUONLoader->TreeR();
	185	clusterStore = AliMUONVClusterStore::Create(*treeR);
	186	if ( clusterStore != 0x0 ) {
	187	clusterStore->Clear();
	188	clusterStore->Connect(*treeR);
	189	treeR->GetEvent(0);
	190	}
	191	// get the digits of current event
	192	TTree* treeD = MUONLoader->TreeD();
bef83d1e	193	if (treeD) {
	194	digitStore = AliMUONVDigitStore::Create(*treeD);
	195	if ( digitStore != 0x0 ) {
	196	digitStore->Clear();
	197	digitStore->Connect(*treeD);
	198	treeD->GetEvent(0);
	199	}
41c52850	200	}
41c52850	201	}
fcefbac4	202
fcefbac4	203	//----------------------------------------------//
	204	// ------------- fill cluster info ------------ //
	205	//----------------------------------------------//
41c52850	206	// --- loop over the refitted tracks ---
	207	if (useESD) {
	208
	209	TIter nextTrack(esdInterface.CreateTrackIterator());
	210	AliMUONTrack* track;
	211	while ((track = static_cast<AliMUONTrack*>(nextTrack()))) {
	212
	213	UInt_t muonClusterMap = buildClusterMap(*track);
	214
	215	// loop over clusters
	216	AliMUONTrackParam* trackParam = static_cast<AliMUONTrackParam*>(track->GetTrackParamAtCluster()->First());
	217	while (trackParam) {
	218	clusterInfo->Clear("C");
	219
	220	// fill cluster info
	221	AliMUONVCluster* cluster = trackParam->GetClusterPtr();
	222	clusterInfo->SetRunId(esd->GetRunNumber());
	223	clusterInfo->SetEventId(iEvent);
	224	clusterInfo->SetZ(cluster->GetZ());
	225	clusterInfo->SetClusterId(cluster->GetUniqueID());
	226	clusterInfo->SetClusterXY(cluster->GetX(), cluster->GetY());
	227	clusterInfo->SetClusterXYErr(cluster->GetErrX(), cluster->GetErrY());
	228	clusterInfo->SetClusterChi2(cluster->GetChi2());
	229	clusterInfo->SetClusterCharge(cluster->GetCharge());
	230
	231	// fill track info
	232	clusterInfo->SetTrackId(track->GetUniqueID());
	233	clusterInfo->SetTrackXY(trackParam->GetNonBendingCoor(), trackParam->GetBendingCoor());
	234	clusterInfo->SetTrackThetaXY(TMath::ATan(trackParam->GetNonBendingSlope()), TMath::ATan(trackParam->GetBendingSlope()));
	235	clusterInfo->SetTrackP(trackParam->P());
	236	const TMatrixD paramCov = trackParam->GetCovariances();
	237	clusterInfo->SetTrackXYErr(TMath::Sqrt(paramCov(0,0)), TMath::Sqrt(paramCov(2,2)));
	238	clusterInfo->SetTrackChi2(track->GetNormalizedChi2());
	239	clusterInfo->SetTrackCharge((Short_t)trackParam->GetCharge());
	240	clusterInfo->SetTrackNHits(track->GetNClusters());
	241	clusterInfo->SetTrackChamberHitMap(muonClusterMap);
	242
	243	// fill pad info if available
bef83d1e	244	if (digitStore) for (Int_t i=0; i<cluster->GetNDigits(); i++) {
41c52850	245	AliMUONVDigit* digit = digitStore->FindObject(cluster->GetDigitId(i));
	246	if (!digit) continue;
	247
	248	// pad location
	249	const AliMpVSegmentation* seg = AliMpSegmentation::Instance()->
	250	GetMpSegmentation(digit->DetElemId(),AliMp::GetCathodType(digit->Cathode()));
	251	AliMpPad pad = seg->PadByIndices(digit->PadX(), digit->PadY());
	252
	253	// calibration parameters
	254	AliMUONVCalibParam* ped = calibData->Pedestals(digit->DetElemId(), digit->ManuId());
	255	AliMUONVCalibParam* gain = calibData->Gains(digit->DetElemId(), digit->ManuId());
	256	Int_t manuChannel = digit->ManuChannel();
	257	Int_t planeType = 0;
	258	if ( digit->ManuId() & AliMpConstants::ManuMask(AliMp::kNonBendingPlane)) {
	259	planeType = 1;
	260	}
	261
	262	// fill pad info
	263	padInfo.SetPadId(digit->GetUniqueID());
	264	padInfo.SetPadPlaneType(planeType);
	265	padInfo.SetPadXY(pad.GetPositionX(), pad.GetPositionY());
	266	padInfo.SetPadDimXY(pad.GetDimensionX(), pad.GetDimensionY());
	267	padInfo.SetPadCharge((Double_t)digit->Charge());
	268	padInfo.SetPadADC(digit->ADC());
	269	padInfo.SetSaturated(digit->IsSaturated());
	270	padInfo.SetCalibrated(digit->IsCalibrated());
	271	padInfo.SetPedestal(ped->ValueAsFloatFast(manuChannel,0), ped->ValueAsFloatFast(manuChannel,1));
	272	padInfo.SetGain(gain->ValueAsFloatFast(manuChannel,0), gain->ValueAsFloatFast(manuChannel,1),
	273	gain->ValueAsFloatFast(manuChannel,2), gain->ValueAsFloatFast(manuChannel,3));
	274
	275	clusterInfo->AddPad(padInfo);
	276	}
	277
	278	// remove clusters attached to a track
	279	if (useRecPoints) {
	280	AliMUONVCluster* cl = clusterStore->FindObject(cluster->GetUniqueID());
	281	if (cl) clusterStore->Remove(*cl);
	282	}
	283
	284	// fill cluster info tree
	285	clusterInfoTree->Fill();
	286
	287	trackParam = static_cast<AliMUONTrackParam*>(track->GetTrackParamAtCluster()->After(trackParam));
	288	}
	289
	290	}
	291
	292	}
	293
	294	// --- loop over clusters not attached to a track ---
	295	if (useRecPoints) {
fcefbac4	296
41c52850	297	TIter nextCluster(clusterStore->CreateIterator());
	298	AliMUONVCluster *cluster;
	299	while ( ( cluster = static_cast<AliMUONVCluster*>(nextCluster()) ) ) {
	300
fcefbac4	301	clusterInfo->Clear("C");
	302
	303	// fill cluster info
41c52850	304	clusterInfo->SetRunId(rl->GetRunNumber());
fcefbac4	305	clusterInfo->SetEventId(iEvent);
	306	clusterInfo->SetZ(cluster->GetZ());
	307	clusterInfo->SetClusterId(cluster->GetUniqueID());
	308	clusterInfo->SetClusterXY(cluster->GetX(), cluster->GetY());
	309	clusterInfo->SetClusterXYErr(cluster->GetErrX(), cluster->GetErrY());
	310	clusterInfo->SetClusterChi2(cluster->GetChi2());
	311	clusterInfo->SetClusterCharge(cluster->GetCharge());
	312
41c52850	313	// fill dummy track info
	314	clusterInfo->SetTrackId(0);
	315	clusterInfo->SetTrackXY(0.,0.);
	316	clusterInfo->SetTrackThetaXY(0.,0.);
	317	clusterInfo->SetTrackP(0.);
	318	clusterInfo->SetTrackXYErr(0.,0.);
	319	clusterInfo->SetTrackChi2(0.);
	320	clusterInfo->SetTrackCharge(0);
	321	clusterInfo->SetTrackNHits(0);
	322	clusterInfo->SetTrackChamberHitMap(0);
	323
fcefbac4	324	// fill pad info if available
bef83d1e	325	if (digitStore) for (Int_t i=0; i<cluster->GetNDigits(); i++) {
fcefbac4	326	AliMUONVDigit* digit = digitStore->FindObject(cluster->GetDigitId(i));
	327	if (!digit) continue;
	328
	329	// pad location
	330	const AliMpVSegmentation* seg = AliMpSegmentation::Instance()->
41c52850	331	GetMpSegmentation(digit->DetElemId(),AliMp::GetCathodType(digit->Cathode()));
168e9c4d	332	AliMpPad pad = seg->PadByIndices(digit->PadX(), digit->PadY());
fcefbac4	333
	334	// calibration parameters
	335	AliMUONVCalibParam* ped = calibData->Pedestals(digit->DetElemId(), digit->ManuId());
	336	AliMUONVCalibParam* gain = calibData->Gains(digit->DetElemId(), digit->ManuId());
	337	Int_t manuChannel = digit->ManuChannel();
41c52850	338	Int_t planeType = 0;
	339	if ( digit->ManuId() & AliMpConstants::ManuMask(AliMp::kNonBendingPlane)) {
	340	planeType = 1;
	341	}
fcefbac4	342
	343	// fill pad info
	344	padInfo.SetPadId(digit->GetUniqueID());
41c52850	345	padInfo.SetPadPlaneType(planeType);
68828de2	346	padInfo.SetPadXY(pad.GetPositionX(), pad.GetPositionY());
68828de2	347	padInfo.SetPadDimXY(pad.GetDimensionX(), pad.GetDimensionY());
fcefbac4	348	padInfo.SetPadCharge((Double_t)digit->Charge());
	349	padInfo.SetPadADC(digit->ADC());
	350	padInfo.SetSaturated(digit->IsSaturated());
	351	padInfo.SetCalibrated(digit->IsCalibrated());
	352	padInfo.SetPedestal(ped->ValueAsFloatFast(manuChannel,0), ped->ValueAsFloatFast(manuChannel,1));
	353	padInfo.SetGain(gain->ValueAsFloatFast(manuChannel,0), gain->ValueAsFloatFast(manuChannel,1),
	354	gain->ValueAsFloatFast(manuChannel,2), gain->ValueAsFloatFast(manuChannel,3));
	355
	356	clusterInfo->AddPad(padInfo);
	357	}
	358
	359	// fill cluster info tree
	360	clusterInfoTree->Fill();
	361
fcefbac4	362	}
fcefbac4	363
41c52850	364	delete digitStore;
	365	delete clusterStore;
	366
fcefbac4	367	}
fcefbac4	368
fcefbac4	369	}
	370
	371	// ...timer stop
	372	timer.Stop();
	373	printf("Writing Tree\n");
	374	// write output tree
	375	clusterInfoFile->cd();
	376	clusterInfoTree->Write();
	377	printf("Deleting Tree\n");
	378	delete clusterInfoTree;
	379	printf("Closing File\n");
	380	clusterInfoFile->Close();
	381
	382	// free memory
	383	printf("Deleting calibData\n");
	384	delete calibData;
	385	printf("Deleting clusterInfo\n");
	386	delete clusterInfo;
41c52850	387	if (useRecPoints) {
	388	MUONLoader->UnloadDigits();
	389	MUONLoader->UnloadRecPoints();
a99c3449	390	rl->UnloadHeader();
41c52850	391	delete rl;
	392	}
	393	if (useESD) {
	394	esdFile->Close();
	395	delete esd;
	396	}
fcefbac4	397	cout<<endl<<"time to fill cluster/track info: R:"<<timer.RealTime()<<" C:"<<timer.CpuTime()<<endl<<endl;
	398	}
	399
	400	//-----------------------------------------------------------------------
fcefbac4	401	TTree* GetESDTree(TFile *esdFile)
	402	{
	403	/// Check that the file is properly open
	404	/// Return pointer to the ESD Tree
	405
	406	if (!esdFile \|\| !esdFile->IsOpen()) {
	407	Error("GetESDTree", "opening ESD file failed");
	408	exit(-1);
	409	}
	410
	411	TTree* tree = (TTree*) esdFile->Get("esdTree");
	412	if (!tree) {
	413	Error("GetESDTree", "no ESD tree found");
	414	exit(-1);
	415	}
	416
	417	return tree;
	418
	419	}
	420
41c52850	421
	422	//-----------------------------------------------------------------------
	423	UInt_t buildClusterMap(AliMUONTrack &track)
	424	{
	425	/// Build the map of clusters in tracking chambers
	426
	427	UInt_t muonClusterMap = 0;
	428
	429	AliMUONTrackParam* trackParam = static_cast<AliMUONTrackParam*>(track.GetTrackParamAtCluster()->First());
	430	while (trackParam) {
	431
	432	muonClusterMap \|= BIT(trackParam->GetClusterPtr()->GetChamberId());
	433
	434	trackParam = static_cast<AliMUONTrackParam*>(track.GetTrackParamAtCluster()->After(trackParam));
	435	}
	436
	437	return muonClusterMap;
	438
	439	}
	440