[u/mrichter/AliRoot.git] / TOF / AliTOFanalyzeHits.C

Int_t AliTOFanalyzeHits(Int_t numberOfEvents=0, Bool_t drawing=kFALSE)
{

  /////////////////////////////////////////////////////////////////////////
  //
  // Analyzes TOF hits and fills QA-histograms
  // and writes the histograms in the TOF_hitsQA.root file
  //
  // Use case:
  // start aliroot
  // root [0] .L AliTOFanalyzeHits.C
  // root [1] AliTOFanalyzeHits()
  //
  // By default, it analyzes hits for all the events in the header file
  // and does not draw the histograms filled
  //
  // If you want analyze hits only the 1th event
  // you can use the following line:
  //
  // root[0] .L AliTOFanalyzeHits.C
  // root[1] AliTOFanalyzeHits(1)
  //
  // Updated to the new I/O: C. Zampolli
  //
  // Report problems to decaro@sa.infn.it
  //
  /////////////////////////////////////////////////////////////////////////

  Int_t rc = 0;
  
  // Define the histograms
  // x,y,z, rho, tof, padx, padz, sector, plate, strip, (x vs y)

  // hit-map in a plane
  TH2F *h2hitMap = new TH2F("h2hitMap","Hit Map (projection on the plane)",2500,-12500.,12500.,800,-400.,400.);
  // time of flight distribution for primaries and secondaries
  TH1F *htofp    = new TH1F("htofp","Time of Flight (primaries)",800,0.,80.);
  TH1F *htofs    = new TH1F("htofs","Time of Flight (secondaries)",800,0.,80.);
  // momentum when striking the TOF for primaries and secondaries
  TH1F *htofmomp = new TH1F("htofmomp","Momentum at TOF (primaries)",100,0.,10.);
  TH1F *htofmoms = new TH1F("htofmoms","Momentum at TOF (secondaries)",100,0.,10.);
  // TOF hit volumes
  TH1F *hsector  = new TH1F("hsector","Sector",18,0.,18.);
  TH1F *hplate   = new TH1F("hplate","Plate ", 5,0., 5.);
  TH1F *hstrip   = new TH1F("hstrip","Strip ",20,0.,20.);
  TH1F *hpadz    = new TH1F("hpadz","Pad along z ",2,0.,2.);
  TH1F *hpadx    = new TH1F("hpadx","Pad along x",48,0.,48.);
  // track length when striking the TOF (used by AliTOFT0)
  TH1F *htrackLenp= new TH1F("htrackLenp","Track Length on TOF for Primaries",800,0.,800.);

  // Histograms added to control the right TOF element numbering:
  // it should be increasing with the azimuthal and polar angles

  TH2F *hmoduleVStheta     = new TH2F("hmoduleVStheta", "hmoduleVStheta", 180,0.,180.,5,0,5);
  TH2F *hsectorVSphi       = new TH2F("hsectorVSphi", "hsectorVSphi", 360,0.,360.,18,0,18);
  TH2F *hstripVStheta      = new TH2F("hstripVStheta", "hstripVStheta", 180,0.,180.,20,0,20);
  //TH2F *hpadzVStheta       = new TH2F("hpadzVStheta", "hpadzVStheta", 180,0.,180.,2,0,2);
  TH2F *hpadxVSphi         = new TH2F("hpadxVSphi", "hpadxVSphi", 360,0.,360.,48,0,48);
  TH2F *hpadz2stripVStheta = new TH2F("hpadz2stripVStheta", "hpadz2stripVStheta", 180,0.,180.,40,0,40);
  //TH2F *hdzVSpadz2strip    = new TH2F("hdzVSpadz2strip", "hdzVSpadz2strip",40,0,40,70,-3.5,3.5);

  // Dynamically link some shared libs
  if (gClassTable->GetID("AliRun") < 0) {
    gROOT->LoadMacro("loadlibs.C");
    loadlibs();
  }

  if (gAlice)
    {
      delete gAlice->GetRunLoader();
      delete gAlice;
      gAlice = 0x0;
    }

  AliRunLoader *rl = AliRunLoader::Open("galice.root",AliConfig::GetDefaultEventFolderName(),"read");
  if (!rl)
    {
      cerr<<"Can't load RunLoader from file! \n";
      rc = 1;
      return rc;
    }

  rl->LoadgAlice();
  gAlice = rl->GetAliRun();

  if (!gAlice)
    {
      cerr << "<AliTOFanalyzeHits> AliRun object not found on file \n";
      rc = 2;
      return rc;
    }

  rl->LoadHeader();

  // Get the pointer to the TOF detector
  AliLoader *tofl = rl->GetLoader("TOFLoader");
  AliTOF *tof = (AliTOF *) gAlice->GetDetector("TOF");
  if (tof == 0x0 || tofl == 0x0) {
    cerr << "<AliTOFanalyzeHits> Can not find TOF or TOFLoader \n";
    rc = 3;
    return rc;
  }

  Int_t countHits = 0;

  if (numberOfEvents==0) numberOfEvents=(Int_t)(rl->GetNumberOfEvents());

  for (Int_t ievent=0; ievent<numberOfEvents; ievent++) {
    printf ("Processing event %d \n", ievent);
    rl->GetEvent(ievent);

    // Get the pointer Hit tree
    tofl->LoadHits();
    TTree *hitTree = tofl->TreeH();
    tof->SetTreeAddress();
    if (!hitTree) {
      cout << "<AliTOFanalyzeHits> No TreeH found" << endl;
      rc = 4;
      return rc;
    }

    rl->LoadKinematics();
    //AliStack* stack = rl->Stack(); // it is not necessary to use the stack!

    // Get the number of entries in the hit tree
    // (Number of primary particles creating a hit somewhere)
    Int_t nTrack = (Int_t) hitTree->GetEntries();
    cout << "<AliTOFanalyzeHits> Found " << nTrack 
         << " primary particles with hits \n";

    Int_t nPrimaryOnTof = 0;
    Int_t nSecondaryOnTof = 0;
    Int_t nelectron  = 0;
    Int_t npion      = 0;
    Int_t nkaon      = 0;
    Int_t nproton    = 0;    
    Int_t nmuon      = 0;
  
    // Loop through all entries in the tree
    for (Int_t iTrack = 0; iTrack < nTrack; iTrack++) {

      tof->ResetHits();
      hitTree->GetEvent(iTrack);

      // Loop through the TOF hits  
      AliTOFhitT0 *hit = (AliTOFhitT0 *) tof->FirstHit(-1);
      while (hit) {

	countHits++;
	
        Float_t x     = hit->X();
        Float_t y     = hit->Y();
        Float_t z     = hit->Z();
        Float_t phiAngle=TMath::Pi() + TMath::ATan2(-y,-x);
        Float_t rhoRadius=TMath::Sqrt(x*x+y*y);
        Float_t thetaAngle=TMath::Pi() + TMath::ATan2(-rhoRadius,-z);
        Float_t dummy=rhoRadius*phiAngle;
        h2hitMap->Fill(dummy,z);

        phiAngle*=180./TMath::Pi();
        thetaAngle*=180./TMath::Pi();

        Float_t flightTime = hit->GetTof(); // [s]
        flightTime *= 1.e+09; // convert in [ns]
        Float_t angle = hit->GetIncA();
        Float_t tofmom = hit->GetMom(); // [GeV/c]
        Float_t trackLen = hit->GetLen(); // [cm]

        // TOF hit volumes
        Int_t sector = hit->GetSector(); // range [1-18]
        Int_t plate  = hit->GetPlate();  // range [1- 5]
        Int_t strip  = hit->GetStrip();  // range [1-20]
        Int_t padz   = hit->GetPadz();   // range [1- 2]
        Int_t padx   = hit->GetPadx();   // range [1-48]
        // it is QA, then I perform QA!

        Bool_t isHitBad = (sector<0 || sector>17 || 
			    plate<0 || plate>4   || 
			     padz<0 || padz>1    || 
			     padx<0 || padx>47   ||
			   ((strip<0 || strip>14) && plate == 2) ||
			   ((strip<0 || strip>18) && (plate == 1 || plate == 3)) ||
			   ((strip<0 || strip>19) && (plate == 0 || plate == 4)));

	if (isHitBad) {
          cout << "<AliTOFanalyzeHits>  strange hit found \n";
	  cout << "sector = " << sector <<
	          " plate = " << plate <<
	          " strip = " << strip <<
	          " padx = " << padx <<
	          " padz = " << padz << endl;
	  rc = 5;
	  return rc;
        }
	
        hmoduleVStheta->Fill(thetaAngle,plate);
	hstripVStheta->Fill(thetaAngle,strip);
        hsectorVSphi->Fill(phiAngle,sector);
        //hpadzVStheta->Fill(thetaAngle,padx);
        hpadxVSphi->Fill(phiAngle,padx);

	Float_t dummy2 = 2*strip + padz;
	hpadz2stripVStheta->Fill(thetaAngle,dummy2);

	/*
	  Float_t dummy3;
	  if (hit->GetDz()<=0) dummy3 = hit->GetDz()-1.75;
	  else dummy3 = hit->GetDz()+1.75;	
	  hdzVSpadz2strip->Fill(dummy2,dummy3);
	*/

        // filling hit volume histos
        hsector->Fill(sector);
        hplate->Fill(plate);
        hstrip->Fill(strip);
        hpadx->Fill(padx);
        hpadz->Fill(padz);
/*
        Int_t track = hit->Track();
        TParticle *part = gAlice->GetMCApp()->Particle(track);

        // getting MC info for the current track
        if (part->GetFirstMother()<0){
          Int_t icod = TMath::Abs(part->GetPdgCode());
 	  switch (icod) {
	  case 211:
	    npion++;
	    break ;
	  case 321:
	    nkaon++;
	    break ;
	  case 2212:
	    nproton++;
	    break ;
	  case 11:
	    nelectron++;
	    break ;
	  case 13:
	    nmuon++;
	    break ;
	  }
	  htofp->Fill(flightTime);
	  htofmomp->Fill(tofmom);
          htrackLenp->Fill(trackLen);
        } else {
	  htofs->Fill(flightTime);
	  htofmoms->Fill(tofmom);
        }
*/
        // go to next hit
        hit = (AliTOFhitT0 *) tof->NextHit();

      }

    }

    tofl->UnloadHits();
    rl->UnloadKinematics();

    cout << "<AliTOFanalyzeHits> Found " << countHits << " hits in total \n";
    cout << npion     << " primary pions reached the TOF detector \n";
    cout << nkaon     << " primary kaons reached the TOF detector \n";
    cout << nproton   << " primary protons reached the TOF detector \n";
    cout << nelectron << " primary electrons reached the TOF detector \n";
    cout << nmuon     << " primary muons reached the TOF detector \n";

  }

  cout << "hpadx->GetEntries() = " << hpadx->GetEntries() << endl;

  rl->UnloadHeader();
  rl->UnloadgAlice();

  if (drawing) {  
    TCanvas *cHits = new TCanvas("cHits","AliTOFanalyzeHits hit volumes",50,50,900,900);
    cHits->Divide(3,2);
    cHits->cd(1);
    hsector->Draw();
    cHits->cd(2);
    hplate->Draw();
    cHits->cd(3);
    hstrip->Draw();
    cHits->cd(4);
    hpadz->Draw();
    cHits->cd(5);
    hpadx->Draw();
    
    TCanvas *chitmap = new TCanvas("chitmap","AliTOFanalyzeHits Hit Map",50,50,600,600);
    chitmap->cd();
    h2hitMap->Draw();
    
    TCanvas *ctrackLen = new TCanvas("ctrackLen","AliTOFanalyzeHits Track Length for primaries on TOF",50,50,400,400);
    ctrackLen->cd();
    htrackLenp->Draw();
    
    TCanvas *ctofmom = new TCanvas("ctofmom","AliTOFanalyzeHits flight times",50,50,700,700);
    ctofmom->Divide(2,2);
    ctofmom->cd(1);
    gPad->SetLogy();
    htofp->Draw();
    ctofmom->cd(2);
    gPad->SetLogy();
    htofs->Draw();
    ctofmom->cd(3);
    gPad->SetLogy();
    htofmomp->Draw();
    ctofmom->cd(4);
    gPad->SetLogy();
    htofmoms->Draw();
  }
  
  // save histos into file TOF_hitsQA.root
  TFile *fout = new TFile("TOF_hitsQA.root","RECREATE");
  h2hitMap->Write();
  htofp->Write();
  htofs->Write();
  htofmomp->Write();
  htofmoms->Write();
  hsector->Write();
  hplate->Write();
  hstrip->Write();
  hpadz->Write();
  hpadx->Write();
  htrackLenp->Write();

  hmoduleVStheta->Write();
  hsectorVSphi->Write();
  hstripVStheta->Write();
  //hpadzVStheta->Write();
  hpadxVSphi->Write();
  hpadz2stripVStheta->Write();
  //hdzVSpadz2strip->Write();

  fout->Close(); 

  cout << " Finished AliTOFanalizeHits \n";

  if (gAlice)
    {
      delete gAlice->GetRunLoader();
      delete gAlice;
      gAlice = 0x0;
    }

  return rc;

}
Commit	Line	Data
	1	Int_t AliTOFanalyzeHits(Int_t numberOfEvents=0, Bool_t drawing=kFALSE)
	2	{
	3
	4	/////////////////////////////////////////////////////////////////////////
	5	//
	6	// Analyzes TOF hits and fills QA-histograms
	7	// and writes the histograms in the TOF_hitsQA.root file
	8	//
	9	// Use case:
	10	// start aliroot
	11	// root [0] .L AliTOFanalyzeHits.C
	12	// root [1] AliTOFanalyzeHits()
	13	//
	14	// By default, it analyzes hits for all the events in the header file
	15	// and does not draw the histograms filled
	16	//
	17	// If you want analyze hits only the 1th event
	18	// you can use the following line:
	19	//
	20	// root[0] .L AliTOFanalyzeHits.C
	21	// root[1] AliTOFanalyzeHits(1)
	22	//
	23	// Updated to the new I/O: C. Zampolli
	24	//
	25	// Report problems to decaro@sa.infn.it
	26	//
	27	/////////////////////////////////////////////////////////////////////////
	28
	29	Int_t rc = 0;
	30
	31	// Define the histograms
	32	// x,y,z, rho, tof, padx, padz, sector, plate, strip, (x vs y)
	33
	34	// hit-map in a plane
	35	TH2F *h2hitMap = new TH2F("h2hitMap","Hit Map (projection on the plane)",2500,-12500.,12500.,800,-400.,400.);
	36	// time of flight distribution for primaries and secondaries
	37	TH1F *htofp = new TH1F("htofp","Time of Flight (primaries)",800,0.,80.);
	38	TH1F *htofs = new TH1F("htofs","Time of Flight (secondaries)",800,0.,80.);
	39	// momentum when striking the TOF for primaries and secondaries
	40	TH1F *htofmomp = new TH1F("htofmomp","Momentum at TOF (primaries)",100,0.,10.);
	41	TH1F *htofmoms = new TH1F("htofmoms","Momentum at TOF (secondaries)",100,0.,10.);
	42	// TOF hit volumes
	43	TH1F *hsector = new TH1F("hsector","Sector",18,0.,18.);
	44	TH1F *hplate = new TH1F("hplate","Plate ", 5,0., 5.);
	45	TH1F *hstrip = new TH1F("hstrip","Strip ",20,0.,20.);
	46	TH1F *hpadz = new TH1F("hpadz","Pad along z ",2,0.,2.);
	47	TH1F *hpadx = new TH1F("hpadx","Pad along x",48,0.,48.);
	48	// track length when striking the TOF (used by AliTOFT0)
	49	TH1F *htrackLenp= new TH1F("htrackLenp","Track Length on TOF for Primaries",800,0.,800.);
	50
	51	// Histograms added to control the right TOF element numbering:
	52	// it should be increasing with the azimuthal and polar angles
	53
	54	TH2F *hmoduleVStheta = new TH2F("hmoduleVStheta", "hmoduleVStheta", 180,0.,180.,5,0,5);
	55	TH2F *hsectorVSphi = new TH2F("hsectorVSphi", "hsectorVSphi", 360,0.,360.,18,0,18);
	56	TH2F *hstripVStheta = new TH2F("hstripVStheta", "hstripVStheta", 180,0.,180.,20,0,20);
	57	//TH2F *hpadzVStheta = new TH2F("hpadzVStheta", "hpadzVStheta", 180,0.,180.,2,0,2);
	58	TH2F *hpadxVSphi = new TH2F("hpadxVSphi", "hpadxVSphi", 360,0.,360.,48,0,48);
	59	TH2F *hpadz2stripVStheta = new TH2F("hpadz2stripVStheta", "hpadz2stripVStheta", 180,0.,180.,40,0,40);
	60	//TH2F *hdzVSpadz2strip = new TH2F("hdzVSpadz2strip", "hdzVSpadz2strip",40,0,40,70,-3.5,3.5);
	61
	62	// Dynamically link some shared libs
	63	if (gClassTable->GetID("AliRun") < 0) {
	64	gROOT->LoadMacro("loadlibs.C");
	65	loadlibs();
	66	}
	67
	68	if (gAlice)
	69	{
	70	delete gAlice->GetRunLoader();
	71	delete gAlice;
	72	gAlice = 0x0;
	73	}
	74
	75	AliRunLoader *rl = AliRunLoader::Open("galice.root",AliConfig::GetDefaultEventFolderName(),"read");
	76	if (!rl)
	77	{
	78	cerr<<"Can't load RunLoader from file! \n";
	79	rc = 1;
	80	return rc;
	81	}
	82
	83	rl->LoadgAlice();
	84	gAlice = rl->GetAliRun();
	85
	86	if (!gAlice)
	87	{
	88	cerr << "<AliTOFanalyzeHits> AliRun object not found on file \n";
	89	rc = 2;
	90	return rc;
	91	}
	92
	93	rl->LoadHeader();
	94
	95	// Get the pointer to the TOF detector
	96	AliLoader *tofl = rl->GetLoader("TOFLoader");
	97	AliTOF tof = (AliTOF ) gAlice->GetDetector("TOF");
	98	if (tof == 0x0 \|\| tofl == 0x0) {
	99	cerr << "<AliTOFanalyzeHits> Can not find TOF or TOFLoader \n";
	100	rc = 3;
	101	return rc;
	102	}
	103
	104	Int_t countHits = 0;
	105
	106	if (numberOfEvents==0) numberOfEvents=(Int_t)(rl->GetNumberOfEvents());
	107
	108	for (Int_t ievent=0; ievent<numberOfEvents; ievent++) {
	109	printf ("Processing event %d \n", ievent);
	110	rl->GetEvent(ievent);
	111
	112	// Get the pointer Hit tree
	113	tofl->LoadHits();
	114	TTree *hitTree = tofl->TreeH();
	115	tof->SetTreeAddress();
	116	if (!hitTree) {
	117	cout << "<AliTOFanalyzeHits> No TreeH found" << endl;
	118	rc = 4;
	119	return rc;
	120	}
	121
	122	rl->LoadKinematics();
	123	//AliStack* stack = rl->Stack(); // it is not necessary to use the stack!
	124
	125	// Get the number of entries in the hit tree
	126	// (Number of primary particles creating a hit somewhere)
	127	Int_t nTrack = (Int_t) hitTree->GetEntries();
	128	cout << "<AliTOFanalyzeHits> Found " << nTrack
	129	<< " primary particles with hits \n";
	130
	131	Int_t nPrimaryOnTof = 0;
	132	Int_t nSecondaryOnTof = 0;
	133	Int_t nelectron = 0;
	134	Int_t npion = 0;
	135	Int_t nkaon = 0;
	136	Int_t nproton = 0;
	137	Int_t nmuon = 0;
	138
	139	// Loop through all entries in the tree
	140	for (Int_t iTrack = 0; iTrack < nTrack; iTrack++) {
	141
	142	tof->ResetHits();
	143	hitTree->GetEvent(iTrack);
	144
	145	// Loop through the TOF hits
	146	AliTOFhitT0 hit = (AliTOFhitT0 ) tof->FirstHit(-1);
	147	while (hit) {
	148
	149	countHits++;
	150
	151	Float_t x = hit->X();
	152	Float_t y = hit->Y();
	153	Float_t z = hit->Z();
	154	Float_t phiAngle=TMath::Pi() + TMath::ATan2(-y,-x);
	155	Float_t rhoRadius=TMath::Sqrt(xx+yy);
	156	Float_t thetaAngle=TMath::Pi() + TMath::ATan2(-rhoRadius,-z);
	157	Float_t dummy=rhoRadius*phiAngle;
	158	h2hitMap->Fill(dummy,z);
	159
	160	phiAngle*=180./TMath::Pi();
	161	thetaAngle*=180./TMath::Pi();
	162
	163	Float_t flightTime = hit->GetTof(); // [s]
	164	flightTime *= 1.e+09; // convert in [ns]
	165	Float_t angle = hit->GetIncA();
	166	Float_t tofmom = hit->GetMom(); // [GeV/c]
	167	Float_t trackLen = hit->GetLen(); // [cm]
	168
	169	// TOF hit volumes
	170	Int_t sector = hit->GetSector(); // range [1-18]
	171	Int_t plate = hit->GetPlate(); // range [1- 5]
	172	Int_t strip = hit->GetStrip(); // range [1-20]
	173	Int_t padz = hit->GetPadz(); // range [1- 2]
	174	Int_t padx = hit->GetPadx(); // range [1-48]
	175	// it is QA, then I perform QA!
	176
	177	Bool_t isHitBad = (sector<0 \|\| sector>17 \|\|
	178	plate<0 \|\| plate>4 \|\|
	179	padz<0 \|\| padz>1 \|\|
	180	padx<0 \|\| padx>47 \|\|
	181	((strip<0 \|\| strip>14) && plate == 2) \|\|
	182	((strip<0 \|\| strip>18) && (plate == 1 \|\| plate == 3)) \|\|
	183	((strip<0 \|\| strip>19) && (plate == 0 \|\| plate == 4)));
	184
	185	if (isHitBad) {
	186	cout << "<AliTOFanalyzeHits> strange hit found \n";
	187	cout << "sector = " << sector <<
	188	" plate = " << plate <<
	189	" strip = " << strip <<
	190	" padx = " << padx <<
	191	" padz = " << padz << endl;
	192	rc = 5;
	193	return rc;
	194	}
	195
	196	hmoduleVStheta->Fill(thetaAngle,plate);
	197	hstripVStheta->Fill(thetaAngle,strip);
	198	hsectorVSphi->Fill(phiAngle,sector);
	199	//hpadzVStheta->Fill(thetaAngle,padx);
	200	hpadxVSphi->Fill(phiAngle,padx);
	201
	202	Float_t dummy2 = 2*strip + padz;
	203	hpadz2stripVStheta->Fill(thetaAngle,dummy2);
	204
	205	/*
	206	Float_t dummy3;
	207	if (hit->GetDz()<=0) dummy3 = hit->GetDz()-1.75;
	208	else dummy3 = hit->GetDz()+1.75;
	209	hdzVSpadz2strip->Fill(dummy2,dummy3);
	210	*/
	211
	212	// filling hit volume histos
	213	hsector->Fill(sector);
	214	hplate->Fill(plate);
	215	hstrip->Fill(strip);
	216	hpadx->Fill(padx);
	217	hpadz->Fill(padz);
	218	/*
	219	Int_t track = hit->Track();
	220	TParticle *part = gAlice->GetMCApp()->Particle(track);
	221
	222	// getting MC info for the current track
	223	if (part->GetFirstMother()<0){
	224	Int_t icod = TMath::Abs(part->GetPdgCode());
	225	switch (icod) {
	226	case 211:
	227	npion++;
	228	break ;
	229	case 321:
	230	nkaon++;
	231	break ;
	232	case 2212:
	233	nproton++;
	234	break ;
	235	case 11:
	236	nelectron++;
	237	break ;
	238	case 13:
	239	nmuon++;
	240	break ;
	241	}
	242	htofp->Fill(flightTime);
	243	htofmomp->Fill(tofmom);
	244	htrackLenp->Fill(trackLen);
	245	} else {
	246	htofs->Fill(flightTime);
	247	htofmoms->Fill(tofmom);
	248	}
	249	*/
	250	// go to next hit
	251	hit = (AliTOFhitT0 *) tof->NextHit();
	252
	253	}
	254
	255	}
	256
	257	tofl->UnloadHits();
	258	rl->UnloadKinematics();
	259
	260	cout << "<AliTOFanalyzeHits> Found " << countHits << " hits in total \n";
	261	cout << npion << " primary pions reached the TOF detector \n";
	262	cout << nkaon << " primary kaons reached the TOF detector \n";
	263	cout << nproton << " primary protons reached the TOF detector \n";
	264	cout << nelectron << " primary electrons reached the TOF detector \n";
	265	cout << nmuon << " primary muons reached the TOF detector \n";
	266
	267	}
	268
	269	cout << "hpadx->GetEntries() = " << hpadx->GetEntries() << endl;
	270
	271	rl->UnloadHeader();
	272	rl->UnloadgAlice();
	273
	274	if (drawing) {
	275	TCanvas *cHits = new TCanvas("cHits","AliTOFanalyzeHits hit volumes",50,50,900,900);
	276	cHits->Divide(3,2);
	277	cHits->cd(1);
	278	hsector->Draw();
	279	cHits->cd(2);
	280	hplate->Draw();
	281	cHits->cd(3);
	282	hstrip->Draw();
	283	cHits->cd(4);
	284	hpadz->Draw();
	285	cHits->cd(5);
	286	hpadx->Draw();
	287
	288	TCanvas *chitmap = new TCanvas("chitmap","AliTOFanalyzeHits Hit Map",50,50,600,600);
	289	chitmap->cd();
	290	h2hitMap->Draw();
	291
	292	TCanvas *ctrackLen = new TCanvas("ctrackLen","AliTOFanalyzeHits Track Length for primaries on TOF",50,50,400,400);
	293	ctrackLen->cd();
	294	htrackLenp->Draw();
	295
	296	TCanvas *ctofmom = new TCanvas("ctofmom","AliTOFanalyzeHits flight times",50,50,700,700);
	297	ctofmom->Divide(2,2);
	298	ctofmom->cd(1);
	299	gPad->SetLogy();
	300	htofp->Draw();
	301	ctofmom->cd(2);
	302	gPad->SetLogy();
	303	htofs->Draw();
	304	ctofmom->cd(3);
	305	gPad->SetLogy();
	306	htofmomp->Draw();
	307	ctofmom->cd(4);
	308	gPad->SetLogy();
	309	htofmoms->Draw();
	310	}
	311
	312	// save histos into file TOF_hitsQA.root
	313	TFile *fout = new TFile("TOF_hitsQA.root","RECREATE");
	314	h2hitMap->Write();
	315	htofp->Write();
	316	htofs->Write();
	317	htofmomp->Write();
	318	htofmoms->Write();
	319	hsector->Write();
	320	hplate->Write();
	321	hstrip->Write();
	322	hpadz->Write();
	323	hpadx->Write();
	324	htrackLenp->Write();
	325
	326	hmoduleVStheta->Write();
	327	hsectorVSphi->Write();
	328	hstripVStheta->Write();
	329	//hpadzVStheta->Write();
	330	hpadxVSphi->Write();
	331	hpadz2stripVStheta->Write();
	332	//hdzVSpadz2strip->Write();
	333
	334	fout->Close();
	335
	336	cout << " Finished AliTOFanalizeHits \n";
	337
	338	if (gAlice)
	339	{
	340	delete gAlice->GetRunLoader();
	341	delete gAlice;
	342	gAlice = 0x0;
	343	}
	344
	345	return rc;
	346
	347	}