[u/mrichter/AliRoot.git] / PWG3 / vertexingHF / AliAnalysisTaskSECompareHF.cxx

/**************************************************************************
 * Copyright(c) 1998-2008, 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.                  *
 **************************************************************************/

/* $Id$ */

/////////////////////////////////////////////////////////////
//
// AliAnalysisTaskSE for the comparison of heavy flavor
// decay candidates with the MC truth.
//
// Author: A.Dainese, andrea.dainese@lnl.infn.it
/////////////////////////////////////////////////////////////

#include <TClonesArray.h>
#include <TNtuple.h>
#include <TList.h>
#include <TH1F.h>

#include "AliAnalysisManager.h"
#include "AliAODHandler.h"
#include "AliAODEvent.h"
#include "AliAODVertex.h"
#include "AliESDtrack.h"
#include "AliAODTrack.h"
#include "AliAODMCHeader.h"
#include "AliAODMCParticle.h"
#include "AliAODRecoDecayHF2Prong.h"
#include "AliAODRecoDecayHF3Prong.h"
#include "AliAODRecoDecayHF4Prong.h"
#include "AliAODRecoCascadeHF.h"
#include "AliAnalysisVertexingHF.h"
#include "AliAnalysisTaskSE.h"
#include "AliAnalysisTaskSECompareHF.h"

ClassImp(AliAnalysisTaskSECompareHF)


//________________________________________________________________________
AliAnalysisTaskSECompareHF::AliAnalysisTaskSECompareHF():
AliAnalysisTaskSE(),
fOutput(0), 
fNtupleCmp(0),
fHistMass(0),
fHistNEvents(0)
{
  // Default constructor

  // NO DefineOutput() HERE (ONLY IN STANDARD CONSTRUCTOR)
}

//________________________________________________________________________
AliAnalysisTaskSECompareHF::AliAnalysisTaskSECompareHF(const char *name):
AliAnalysisTaskSE(name),
fOutput(0), 
fNtupleCmp(0),
fHistMass(0),
fHistNEvents(0)
{
  // Standard constructor

  // Output slot #1 writes into a TList container
  DefineOutput(1,TList::Class());  //My private output
  // Output slot #2 writes into a TNtuple container
  DefineOutput(2,TNtuple::Class());  //My private output
}

//________________________________________________________________________
AliAnalysisTaskSECompareHF::~AliAnalysisTaskSECompareHF()
{
  // Destructor
  if (fOutput) {
    delete fOutput;
    fOutput = 0;
  }
}  

//________________________________________________________________________
void AliAnalysisTaskSECompareHF::Init()
{
  // Initialization

  if(fDebug > 1) printf("AnalysisTaskSECompareHF::Init() \n");
  
  return;
}

//________________________________________________________________________
void AliAnalysisTaskSECompareHF::UserCreateOutputObjects()
{
  // Create the output container
  //
  if(fDebug > 1) printf("AnalysisTaskSECompareHF::UserCreateOutputObjects() \n");

  // Several histograms are more conveniently managed in a TList
  fOutput = new TList();
  fOutput->SetOwner();

  fHistMass = new TH1F("fHistMass", "D^{0} invariant mass; M [GeV]; Entries",200,1.765,1.965);
  fHistMass->Sumw2();
  fHistMass->SetMinimum(0);
  fOutput->Add(fHistMass);

  fHistNEvents = new TH1F("fHistNEvents", "Number of processed events; ; Events",3,-1.5,1.5);
  fHistNEvents->Sumw2();
  fHistNEvents->SetMinimum(0);
  fOutput->Add(fHistNEvents);

  OpenFile(2); // 2 is the slot number of the ntuple
  fNtupleCmp = new TNtuple("fNtupleCmp","Charm comparison","pdg:nprongs:VxRec:VxTrue:ErrVx:VyRec:VyTrue:ErrVy:VzRec:VzTrue:ErrVz:Chi2toNDF:PtRec:Mrec:CPta:Prodd0");

  return;
}

//________________________________________________________________________
void AliAnalysisTaskSECompareHF::UserExec(Option_t */*option*/)
{
  // Execute analysis for current event:
  // heavy flavor candidates association to MC truth

  
  AliAODEvent *aod = dynamic_cast<AliAODEvent*> (InputEvent());

  TClonesArray *inputArrayVertices = 0;
  TClonesArray *inputArrayD0toKpi = 0;
  TClonesArray *inputArrayDstar = 0;

  if(!aod && AODEvent() && IsStandardAOD()) {
    // In case there is an AOD handler writing a standard AOD, use the AOD 
    // event in memory rather than the input (ESD) event.    
    aod = dynamic_cast<AliAODEvent*> (AODEvent());
    // in this case the braches in the deltaAOD (AliAOD.VertexingHF.root)
    // have to taken from the AOD event hold by the AliAODExtension
    AliAODHandler* aodHandler = (AliAODHandler*) 
      ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler());
    if(aodHandler->GetExtensions()) {
      AliAODExtension *ext = (AliAODExtension*)aodHandler->GetExtensions()->FindObject("AliAOD.VertexingHF.root");
      AliAODEvent *aodFromExt = ext->GetAOD();
      // load HF vertices                
      inputArrayVertices = (TClonesArray*)aodFromExt->GetList()->FindObject("VerticesHF");
      // load D0->Kpi candidates
      inputArrayD0toKpi = (TClonesArray*)aodFromExt->GetList()->FindObject("D0toKpi");
      // load D*+ candidates                                                   
      inputArrayDstar = (TClonesArray*)aodFromExt->GetList()->FindObject("Dstar");
    }
  } else if(aod) {
    // load HF vertices                
    inputArrayVertices = (TClonesArray*)aod->GetList()->FindObject("VerticesHF");
    // load D0->Kpi candidates                                                 
    inputArrayD0toKpi = (TClonesArray*)aod->GetList()->FindObject("D0toKpi");
    // load D*+ candidates                                                   
    inputArrayDstar = (TClonesArray*)aod->GetList()->FindObject("Dstar");
  }


  if(!inputArrayVertices || !aod) {
    printf("AliAnalysisTaskSECompareHF::UserExec: Vertices branch not found!\n");
    return;
  }
  if(!inputArrayD0toKpi) {
    printf("AliAnalysisTaskSECompareHF::UserExec: D0toKpi branch not found!\n");
    return;
  }
  if(!inputArrayDstar) {
    printf("AliAnalysisTaskSECompareHF::UserExec: Dstar branch not found!\n");
    return;
  }
  

  fHistNEvents->Fill(0); // count event
  // Post the data already here
  PostData(1,fOutput);

  // AOD primary vertex
  AliAODVertex *vtx1 = (AliAODVertex*)aod->GetPrimaryVertex();
  //vtx1->Print();

  // load MC particles
  TClonesArray *mcArray = 
    (TClonesArray*)aod->GetList()->FindObject(AliAODMCParticle::StdBranchName());
  if(!mcArray) {
    printf("AliAnalysisTaskSECompareHF::UserExec: MC particles branch not found!\n");
    return;
  }

  // load MC header
  AliAODMCHeader *mcHeader = 
    (AliAODMCHeader*)aod->GetList()->FindObject(AliAODMCHeader::StdBranchName());
  if(!mcHeader) {
    printf("AliAnalysisTaskSECompareHF::UserExec: MC header branch not found!\n");
    return;
  }
  
  Int_t nprongs,lab,okD0,okD0bar,pdg;
  Bool_t unsetvtx;    
  Double_t invmass,posRec[3],posTrue[3],covRec[6],errx,erry,errz;
  AliAODRecoDecayHF2Prong *d2=0;
  AliAODRecoDecayHF3Prong *d3=0;
  AliAODRecoDecayHF4Prong *d4=0;

  Int_t pdgDgD0toKpi[2]={321,211};
  Int_t pdgDgDplustoKpipi[3]={321,211,211};
  Int_t pdgDgD0toKpipipi[4]={321,211,211,211};

  // loop over vertices
  Int_t nVertices = inputArrayVertices->GetEntriesFast();
  if(fDebug>1) printf("Number of vertices: %d\n",nVertices);

  for (Int_t iVtx = 0; iVtx < nVertices; iVtx++) {
    AliAODVertex *vtx = (AliAODVertex*)inputArrayVertices->UncheckedAt(iVtx);

    vtx->GetXYZ(posRec);  
    vtx->GetCovarianceMatrix(covRec);
    errx=1.; erry=1.; errz=1.;
    if(covRec[0]>0) errx = TMath::Sqrt(covRec[0]);
    if(covRec[2]>0) erry = TMath::Sqrt(covRec[2]);
    if(covRec[5]>0) errz = TMath::Sqrt(covRec[5]);
	  

    // get parent AliAODRecoDecayHF
    nprongs= vtx->GetNDaughters();
    // check that the daughters have kITSrefit and kTPCrefit
    Bool_t allDgOK=kTRUE;
    for(Int_t idg=0; idg<nprongs; idg++) {
      AliAODTrack *track = (AliAODTrack*)vtx->GetDaughter(idg);
      if(!(track->GetStatus()&AliESDtrack::kITSrefit)) allDgOK=kFALSE;
      if(!(track->GetStatus()&AliESDtrack::kTPCrefit)) allDgOK=kFALSE;
    }
    if(!allDgOK) continue;


    switch(nprongs) {
    case 2: // look for D0->Kpi
      d2 = (AliAODRecoDecayHF2Prong*)vtx->GetParent();
      if(d2->IsLikeSign()) continue;
      if(d2->Charge() != 0) continue; // these are D* 
      lab = d2->MatchToMC(421,mcArray,2,pdgDgD0toKpi);
      if(lab>=0) {
	unsetvtx=kFALSE;
	if(!d2->GetOwnPrimaryVtx()) {
	  d2->SetOwnPrimaryVtx(vtx1); // needed to compute all variables
	  unsetvtx=kTRUE;
	}
	okD0=1; okD0bar=1; 
	AliAODMCParticle *dMC = (AliAODMCParticle*)mcArray->At(lab);
	pdg = dMC->GetPdgCode();
	invmass = (pdg==421 ? d2->InvMassD0() : d2->InvMassD0bar());
	// get a daughter for true pos of decay vertex
	AliAODMCParticle *dg0MC = (AliAODMCParticle*)mcArray->At(dMC->GetDaughter(0));
	dg0MC->XvYvZv(posTrue);
	fHistMass->Fill(invmass);
	// Post the data already here
	PostData(1,fOutput);
	Float_t tmp[16]={(Float_t)pdg,(Float_t)nprongs,
			 (Float_t)posRec[0],(Float_t)posTrue[0],(Float_t)errx,
			 (Float_t)posRec[1],(Float_t)posTrue[1],(Float_t)erry,
			 (Float_t)posRec[2],(Float_t)posTrue[2],(Float_t)errz,
			 (Float_t)d2->GetReducedChi2(),(Float_t)d2->Pt(),(Float_t)invmass,
			 (Float_t)d2->CosPointingAngle(),(Float_t)d2->Prodd0d0()};
	fNtupleCmp->Fill(tmp);
	PostData(2,fNtupleCmp);
      
	if(unsetvtx) d2->UnsetOwnPrimaryVtx();
      }
      break;
    case 3: // look for D+
      d3 = (AliAODRecoDecayHF3Prong*)vtx->GetParent();
      if(d3->IsLikeSign()) continue;
      lab = d3->MatchToMC(411,mcArray,3,pdgDgDplustoKpipi);
      if(lab>=0) {
	unsetvtx=kFALSE;
	if(!d3->GetOwnPrimaryVtx()) {
	  d3->SetOwnPrimaryVtx(vtx1); // needed to compute all variables
	  unsetvtx=kTRUE;
	}
	AliAODMCParticle *dMC = (AliAODMCParticle*)mcArray->At(lab);
	pdg = dMC->GetPdgCode();
	invmass = d3->InvMassDplus();
	// get a daughter for true pos of decay vertex
	AliAODMCParticle *dg0MC = (AliAODMCParticle*)mcArray->At(dMC->GetDaughter(0));
	dg0MC->XvYvZv(posTrue);
	Float_t tmp[16]={(Float_t)pdg,(Float_t)nprongs,
			 (Float_t)posRec[0],(Float_t)posTrue[0],(Float_t)errx,
			 (Float_t)posRec[1],(Float_t)posTrue[1],(Float_t)erry,
			 (Float_t)posRec[2],(Float_t)posTrue[2],(Float_t)errz,
			 (Float_t)d3->GetReducedChi2(),(Float_t)d3->Pt(),(Float_t)invmass,
			 (Float_t)d3->CosPointingAngle(),(Float_t)(d3->Getd0Prong(0)*d3->Getd0Prong(1)*d3->Getd0Prong(2))};
	fNtupleCmp->Fill(tmp);
	PostData(2,fNtupleCmp);
	if(unsetvtx) d3->UnsetOwnPrimaryVtx();
      }
      break;
    case 4: // look for D0->Kpipipi
      d4 = (AliAODRecoDecayHF4Prong*)vtx->GetParent();
      if(d4->IsLikeSign()) continue;
      lab = d4->MatchToMC(421,mcArray,4,pdgDgD0toKpipipi);
      if(lab>=0) {
	unsetvtx=kFALSE;
	if(!d4->GetOwnPrimaryVtx()) {
	  d4->SetOwnPrimaryVtx(vtx1); // needed to compute all variables
	  unsetvtx=kTRUE;
	}
	okD0=0; okD0bar=0; 
	AliAODMCParticle *dMC = (AliAODMCParticle*)mcArray->At(lab);
	pdg = dMC->GetPdgCode();
	//invmass = (pdg==421 ? d->InvMassD0() : d->InvMassD0bar());
	invmass = 10.; 	  // dummy
	// get a daughter for true pos of decay vertex
	AliAODMCParticle *dg0MC = (AliAODMCParticle*)mcArray->At(dMC->GetDaughter(0));
	dg0MC->XvYvZv(posTrue);
	Float_t tmp[16]={(Float_t)pdg,(Float_t)nprongs,
			 (Float_t)posRec[0],(Float_t)posTrue[0],(Float_t)errx,
			 (Float_t)posRec[1],(Float_t)posTrue[1],(Float_t)erry,
			 (Float_t)posRec[2],(Float_t)posTrue[2],(Float_t)errz,
			 (Float_t)d4->GetReducedChi2(),(Float_t)d4->Pt(),(Float_t)invmass,
			 (Float_t)d4->CosPointingAngle(),(Float_t)(d4->Getd0Prong(0)*d4->Getd0Prong(1)*d4->Getd0Prong(2)*d4->Getd0Prong(3))};
	fNtupleCmp->Fill(tmp);
	PostData(2,fNtupleCmp);
	if(unsetvtx) d4->UnsetOwnPrimaryVtx();
      }
      break;
    }

  } // end loop on vertices


  // loop over D*+ candidates
  /*
  for (Int_t iDstar = 0; iDstar < inputArrayDstar->GetEntries(); iDstar++) {
    AliAODRecoCascadeHF *c = (AliAODRecoCascadeHF*)inputArrayDstar->UncheckedAt(iDstar);
    Int_t labDstar = c->MatchToMC(413,421,mcArray);
    if(labDstar>=0) printf("GOOD MATCH FOR D*+\n"); 
  }
  */

  // Post the data already here
  PostData(1,fOutput);
  PostData(2,fNtupleCmp);

  return;
}
//________________________________________________________________________
void AliAnalysisTaskSECompareHF::Terminate(Option_t */*option*/)
{
  // Terminate analysis
  //
  if(fDebug > 1) printf("AnalysisTaskSECompareHF: Terminate() \n");

  fOutput = dynamic_cast<TList*> (GetOutputData(1));
  if (!fOutput) {     
    printf("ERROR: fOutput not available\n");
    return;
  }

  fHistMass = dynamic_cast<TH1F*>(fOutput->FindObject("fHistMass"));
  fHistNEvents = dynamic_cast<TH1F*>(fOutput->FindObject("fHistNEvents"));

  //fNtupleCmp = dynamic_cast<TNtuple*> (GetOutputData(2));

  return;
}
Commit	Line	Data
3a219f60	1	/**************************************************************************
	2	* Copyright(c) 1998-2008, 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
27de2dfb	16	/* $Id$ */
27de2dfb	17
3a219f60	18	/////////////////////////////////////////////////////////////
	19	//
	20	// AliAnalysisTaskSE for the comparison of heavy flavor
	21	// decay candidates with the MC truth.
	22	//
	23	// Author: A.Dainese, andrea.dainese@lnl.infn.it
	24	/////////////////////////////////////////////////////////////
	25
	26	#include <TClonesArray.h>
	27	#include <TNtuple.h>
	28	#include <TList.h>
	29	#include <TH1F.h>
	30
b557eb43	31	#include "AliAnalysisManager.h"
b557eb43	32	#include "AliAODHandler.h"
3a219f60	33	#include "AliAODEvent.h"
3a219f60	34	#include "AliAODVertex.h"
607719af	35	#include "AliESDtrack.h"
3a219f60	36	#include "AliAODTrack.h"
	37	#include "AliAODMCHeader.h"
	38	#include "AliAODMCParticle.h"
	39	#include "AliAODRecoDecayHF2Prong.h"
c4cdf105	40	#include "AliAODRecoDecayHF3Prong.h"
c4cdf105	41	#include "AliAODRecoDecayHF4Prong.h"
b3999999	42	#include "AliAODRecoCascadeHF.h"
2ae9c7cb	43	#include "AliAnalysisVertexingHF.h"
3a219f60	44	#include "AliAnalysisTaskSE.h"
	45	#include "AliAnalysisTaskSECompareHF.h"
	46
	47	ClassImp(AliAnalysisTaskSECompareHF)
	48
	49
	50	//________________________________________________________________________
	51	AliAnalysisTaskSECompareHF::AliAnalysisTaskSECompareHF():
	52	AliAnalysisTaskSE(),
	53	fOutput(0),
2a041947	54	fNtupleCmp(0),
12bfc069	55	fHistMass(0),
8887af0b	56	fHistNEvents(0)
3a219f60	57	{
3a219f60	58	// Default constructor
3a219f60	59
9d6d35b0	60	// NO DefineOutput() HERE (ONLY IN STANDARD CONSTRUCTOR)
3a219f60	61	}
	62
	63	//________________________________________________________________________
	64	AliAnalysisTaskSECompareHF::AliAnalysisTaskSECompareHF(const char *name):
	65	AliAnalysisTaskSE(name),
	66	fOutput(0),
2a041947	67	fNtupleCmp(0),
12bfc069	68	fHistMass(0),
8887af0b	69	fHistNEvents(0)
3a219f60	70	{
9d6d35b0	71	// Standard constructor
3a219f60	72
	73	// Output slot #1 writes into a TList container
	74	DefineOutput(1,TList::Class()); //My private output
10bdd1ae	75	// Output slot #2 writes into a TNtuple container
10bdd1ae	76	DefineOutput(2,TNtuple::Class()); //My private output
3a219f60	77	}
	78
	79	//________________________________________________________________________
	80	AliAnalysisTaskSECompareHF::~AliAnalysisTaskSECompareHF()
	81	{
	82	// Destructor
	83	if (fOutput) {
	84	delete fOutput;
	85	fOutput = 0;
	86	}
	87	}
	88
	89	//________________________________________________________________________
	90	void AliAnalysisTaskSECompareHF::Init()
	91	{
	92	// Initialization
	93
	94	if(fDebug > 1) printf("AnalysisTaskSECompareHF::Init() \n");
9d6d35b0	95
3a219f60	96	return;
	97	}
	98
	99	//________________________________________________________________________
	100	void AliAnalysisTaskSECompareHF::UserCreateOutputObjects()
	101	{
	102	// Create the output container
	103	//
	104	if(fDebug > 1) printf("AnalysisTaskSECompareHF::UserCreateOutputObjects() \n");
	105
	106	// Several histograms are more conveniently managed in a TList
	107	fOutput = new TList();
	108	fOutput->SetOwner();
	109
	110	fHistMass = new TH1F("fHistMass", "D^{0} invariant mass; M [GeV]; Entries",200,1.765,1.965);
	111	fHistMass->Sumw2();
	112	fHistMass->SetMinimum(0);
	113	fOutput->Add(fHistMass);
	114
a273622f	115	fHistNEvents = new TH1F("fHistNEvents", "Number of processed events; ; Events",3,-1.5,1.5);
	116	fHistNEvents->Sumw2();
	117	fHistNEvents->SetMinimum(0);
	118	fOutput->Add(fHistNEvents);
	119
2a5c77c6	120	OpenFile(2); // 2 is the slot number of the ntuple
607719af	121	fNtupleCmp = new TNtuple("fNtupleCmp","Charm comparison","pdg:nprongs:VxRec:VxTrue:ErrVx:VyRec:VyTrue:ErrVy:VzRec:VzTrue:ErrVz:Chi2toNDF:PtRec:Mrec:CPta:Prodd0");
3a219f60	122
	123	return;
	124	}
	125
	126	//________________________________________________________________________
	127	void AliAnalysisTaskSECompareHF::UserExec(Option_t /option*/)
	128	{
	129	// Execute analysis for current event:
	130	// heavy flavor candidates association to MC truth
9d6d35b0	131
3a219f60	132
3a219f60	133	AliAODEvent aod = dynamic_cast<AliAODEvent> (InputEvent());
8931c313	134
b557eb43	135	TClonesArray *inputArrayVertices = 0;
	136	TClonesArray *inputArrayD0toKpi = 0;
	137	TClonesArray *inputArrayDstar = 0;
	138
	139	if(!aod && AODEvent() && IsStandardAOD()) {
	140	// In case there is an AOD handler writing a standard AOD, use the AOD
	141	// event in memory rather than the input (ESD) event.
	142	aod = dynamic_cast<AliAODEvent*> (AODEvent());
	143	// in this case the braches in the deltaAOD (AliAOD.VertexingHF.root)
	144	// have to taken from the AOD event hold by the AliAODExtension
	145	AliAODHandler* aodHandler = (AliAODHandler*)
	146	((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler());
	147	if(aodHandler->GetExtensions()) {
	148	AliAODExtension ext = (AliAODExtension)aodHandler->GetExtensions()->FindObject("AliAOD.VertexingHF.root");
	149	AliAODEvent *aodFromExt = ext->GetAOD();
	150	// load HF vertices
	151	inputArrayVertices = (TClonesArray*)aodFromExt->GetList()->FindObject("VerticesHF");
	152	// load D0->Kpi candidates
	153	inputArrayD0toKpi = (TClonesArray*)aodFromExt->GetList()->FindObject("D0toKpi");
	154	// load D*+ candidates
	155	inputArrayDstar = (TClonesArray*)aodFromExt->GetList()->FindObject("Dstar");
	156	}
dc222f77	157	} else if(aod) {
b557eb43	158	// load HF vertices
	159	inputArrayVertices = (TClonesArray*)aod->GetList()->FindObject("VerticesHF");
	160	// load D0->Kpi candidates
	161	inputArrayD0toKpi = (TClonesArray*)aod->GetList()->FindObject("D0toKpi");
	162	// load D*+ candidates
	163	inputArrayDstar = (TClonesArray*)aod->GetList()->FindObject("Dstar");
	164	}
	165
2a041947	166
20c2e031	167	if(!inputArrayVertices \|\| !aod) {
2a041947	168	printf("AliAnalysisTaskSECompareHF::UserExec: Vertices branch not found!\n");
	169	return;
	170	}
3a219f60	171	if(!inputArrayD0toKpi) {
	172	printf("AliAnalysisTaskSECompareHF::UserExec: D0toKpi branch not found!\n");
	173	return;
	174	}
b3999999	175	if(!inputArrayDstar) {
	176	printf("AliAnalysisTaskSECompareHF::UserExec: Dstar branch not found!\n");
	177	return;
	178	}
9d6d35b0	179
b3999999	180
b557eb43	181	fHistNEvents->Fill(0); // count event
	182	// Post the data already here
	183	PostData(1,fOutput);
	184
3a219f60	185	// AOD primary vertex
	186	AliAODVertex vtx1 = (AliAODVertex)aod->GetPrimaryVertex();
	187	//vtx1->Print();
	188
	189	// load MC particles
	190	TClonesArray *mcArray =
	191	(TClonesArray*)aod->GetList()->FindObject(AliAODMCParticle::StdBranchName());
	192	if(!mcArray) {
	193	printf("AliAnalysisTaskSECompareHF::UserExec: MC particles branch not found!\n");
	194	return;
	195	}
	196
	197	// load MC header
	198	AliAODMCHeader *mcHeader =
	199	(AliAODMCHeader*)aod->GetList()->FindObject(AliAODMCHeader::StdBranchName());
	200	if(!mcHeader) {
	201	printf("AliAnalysisTaskSECompareHF::UserExec: MC header branch not found!\n");
	202	return;
	203	}
	204
2a041947	205	Int_t nprongs,lab,okD0,okD0bar,pdg;
2a041947	206	Bool_t unsetvtx;
90426506	207	Double_t invmass,posRec[3],posTrue[3],covRec[6],errx,erry,errz;
952f1e33	208	AliAODRecoDecayHF2Prong *d2=0;
	209	AliAODRecoDecayHF3Prong *d3=0;
	210	AliAODRecoDecayHF4Prong *d4=0;
2a041947	211
c8112d2f	212	Int_t pdgDgD0toKpi[2]={321,211};
	213	Int_t pdgDgDplustoKpipi[3]={321,211,211};
	214	Int_t pdgDgD0toKpipipi[4]={321,211,211,211};
	215
2a041947	216	// loop over vertices
2a041947	217	Int_t nVertices = inputArrayVertices->GetEntriesFast();
3b1598da	218	if(fDebug>1) printf("Number of vertices: %d\n",nVertices);
2a041947	219
	220	for (Int_t iVtx = 0; iVtx < nVertices; iVtx++) {
	221	AliAODVertex vtx = (AliAODVertex)inputArrayVertices->UncheckedAt(iVtx);
	222
90426506	223	vtx->GetXYZ(posRec);
	224	vtx->GetCovarianceMatrix(covRec);
	225	errx=1.; erry=1.; errz=1.;
	226	if(covRec[0]>0) errx = TMath::Sqrt(covRec[0]);
	227	if(covRec[2]>0) erry = TMath::Sqrt(covRec[2]);
	228	if(covRec[5]>0) errz = TMath::Sqrt(covRec[5]);
	229
	230
2a041947	231	// get parent AliAODRecoDecayHF
2a041947	232	nprongs= vtx->GetNDaughters();
607719af	233	// check that the daughters have kITSrefit and kTPCrefit
	234	Bool_t allDgOK=kTRUE;
	235	for(Int_t idg=0; idg<nprongs; idg++) {
	236	AliAODTrack track = (AliAODTrack)vtx->GetDaughter(idg);
	237	if(!(track->GetStatus()&AliESDtrack::kITSrefit)) allDgOK=kFALSE;
	238	if(!(track->GetStatus()&AliESDtrack::kTPCrefit)) allDgOK=kFALSE;
	239	}
	240	if(!allDgOK) continue;
	241
2a041947	242
	243	switch(nprongs) {
	244	case 2: // look for D0->Kpi
952f1e33	245	d2 = (AliAODRecoDecayHF2Prong*)vtx->GetParent();
27917274	246	if(d2->IsLikeSign()) continue;
a273622f	247	if(d2->Charge() != 0) continue; // these are D*
c8112d2f	248	lab = d2->MatchToMC(421,mcArray,2,pdgDgD0toKpi);
2a041947	249	if(lab>=0) {
	250	unsetvtx=kFALSE;
	251	if(!d2->GetOwnPrimaryVtx()) {
	252	d2->SetOwnPrimaryVtx(vtx1); // needed to compute all variables
	253	unsetvtx=kTRUE;
	254	}
cb8088a2	255	okD0=1; okD0bar=1;
	256	AliAODMCParticle dMC = (AliAODMCParticle)mcArray->At(lab);
	257	pdg = dMC->GetPdgCode();
	258	invmass = (pdg==421 ? d2->InvMassD0() : d2->InvMassD0bar());
	259	// get a daughter for true pos of decay vertex
	260	AliAODMCParticle dg0MC = (AliAODMCParticle)mcArray->At(dMC->GetDaughter(0));
	261	dg0MC->XvYvZv(posTrue);
	262	fHistMass->Fill(invmass);
	263	// Post the data already here
	264	PostData(1,fOutput);
	265	Float_t tmp[16]={(Float_t)pdg,(Float_t)nprongs,
	266	(Float_t)posRec[0],(Float_t)posTrue[0],(Float_t)errx,
	267	(Float_t)posRec[1],(Float_t)posTrue[1],(Float_t)erry,
	268	(Float_t)posRec[2],(Float_t)posTrue[2],(Float_t)errz,
	269	(Float_t)d2->GetReducedChi2(),(Float_t)d2->Pt(),(Float_t)invmass,
	270	(Float_t)d2->CosPointingAngle(),(Float_t)d2->Prodd0d0()};
	271	fNtupleCmp->Fill(tmp);
	272	PostData(2,fNtupleCmp);
	273
2a041947	274	if(unsetvtx) d2->UnsetOwnPrimaryVtx();
3a219f60	275	}
2a041947	276	break;
2a041947	277	case 3: // look for D+
952f1e33	278	d3 = (AliAODRecoDecayHF3Prong*)vtx->GetParent();
27917274	279	if(d3->IsLikeSign()) continue;
c8112d2f	280	lab = d3->MatchToMC(411,mcArray,3,pdgDgDplustoKpipi);
2a041947	281	if(lab>=0) {
	282	unsetvtx=kFALSE;
	283	if(!d3->GetOwnPrimaryVtx()) {
	284	d3->SetOwnPrimaryVtx(vtx1); // needed to compute all variables
	285	unsetvtx=kTRUE;
	286	}
90426506	287	AliAODMCParticle dMC = (AliAODMCParticle)mcArray->At(lab);
	288	pdg = dMC->GetPdgCode();
	289	invmass = d3->InvMassDplus();
	290	// get a daughter for true pos of decay vertex
	291	AliAODMCParticle dg0MC = (AliAODMCParticle)mcArray->At(dMC->GetDaughter(0));
	292	dg0MC->XvYvZv(posTrue);
607719af	293	Float_t tmp[16]={(Float_t)pdg,(Float_t)nprongs,
	294	(Float_t)posRec[0],(Float_t)posTrue[0],(Float_t)errx,
	295	(Float_t)posRec[1],(Float_t)posTrue[1],(Float_t)erry,
	296	(Float_t)posRec[2],(Float_t)posTrue[2],(Float_t)errz,
	297	(Float_t)d3->GetReducedChi2(),(Float_t)d3->Pt(),(Float_t)invmass,
	298	(Float_t)d3->CosPointingAngle(),(Float_t)(d3->Getd0Prong(0)d3->Getd0Prong(1)d3->Getd0Prong(2))};
	299	fNtupleCmp->Fill(tmp);
a7c1934a	300	PostData(2,fNtupleCmp);
2a041947	301	if(unsetvtx) d3->UnsetOwnPrimaryVtx();
	302	}
	303	break;
	304	case 4: // look for D0->Kpipipi
952f1e33	305	d4 = (AliAODRecoDecayHF4Prong*)vtx->GetParent();
27917274	306	if(d4->IsLikeSign()) continue;
c8112d2f	307	lab = d4->MatchToMC(421,mcArray,4,pdgDgD0toKpipipi);
2a041947	308	if(lab>=0) {
	309	unsetvtx=kFALSE;
	310	if(!d4->GetOwnPrimaryVtx()) {
	311	d4->SetOwnPrimaryVtx(vtx1); // needed to compute all variables
	312	unsetvtx=kTRUE;
	313	}
	314	okD0=0; okD0bar=0;
90426506	315	AliAODMCParticle dMC = (AliAODMCParticle)mcArray->At(lab);
	316	pdg = dMC->GetPdgCode();
	317	//invmass = (pdg==421 ? d->InvMassD0() : d->InvMassD0bar());
	318	invmass = 10.; // dummy
	319	// get a daughter for true pos of decay vertex
	320	AliAODMCParticle dg0MC = (AliAODMCParticle)mcArray->At(dMC->GetDaughter(0));
	321	dg0MC->XvYvZv(posTrue);
607719af	322	Float_t tmp[16]={(Float_t)pdg,(Float_t)nprongs,
	323	(Float_t)posRec[0],(Float_t)posTrue[0],(Float_t)errx,
	324	(Float_t)posRec[1],(Float_t)posTrue[1],(Float_t)erry,
	325	(Float_t)posRec[2],(Float_t)posTrue[2],(Float_t)errz,
	326	(Float_t)d4->GetReducedChi2(),(Float_t)d4->Pt(),(Float_t)invmass,
	327	(Float_t)d4->CosPointingAngle(),(Float_t)(d4->Getd0Prong(0)d4->Getd0Prong(1)d4->Getd0Prong(2)*d4->Getd0Prong(3))};
	328	fNtupleCmp->Fill(tmp);
a7c1934a	329	PostData(2,fNtupleCmp);
2a041947	330	if(unsetvtx) d4->UnsetOwnPrimaryVtx();
	331	}
	332	break;
3a219f60	333	}
3a219f60	334
2a041947	335	} // end loop on vertices
3a219f60	336
9d6d35b0	337
b3999999	338	// loop over D*+ candidates
4dd17b11	339	/*
b3999999	340	for (Int_t iDstar = 0; iDstar < inputArrayDstar->GetEntries(); iDstar++) {
	341	AliAODRecoCascadeHF c = (AliAODRecoCascadeHF)inputArrayDstar->UncheckedAt(iDstar);
	342	Int_t labDstar = c->MatchToMC(413,421,mcArray);
	343	if(labDstar>=0) printf("GOOD MATCH FOR D*+\n");
	344	}
4dd17b11	345	*/
2a041947	346
4dd17b11	347	// Post the data already here
4dd17b11	348	PostData(1,fOutput);
2a041947	349	PostData(2,fNtupleCmp);
b3999999	350
3a219f60	351	return;
3a219f60	352	}
3a219f60	353	//________________________________________________________________________
	354	void AliAnalysisTaskSECompareHF::Terminate(Option_t /option*/)
	355	{
	356	// Terminate analysis
	357	//
	358	if(fDebug > 1) printf("AnalysisTaskSECompareHF: Terminate() \n");
	359
	360	fOutput = dynamic_cast<TList*> (GetOutputData(1));
	361	if (!fOutput) {
	362	printf("ERROR: fOutput not available\n");
	363	return;
	364	}
	365
3a219f60	366	fHistMass = dynamic_cast<TH1F*>(fOutput->FindObject("fHistMass"));
a273622f	367	fHistNEvents = dynamic_cast<TH1F*>(fOutput->FindObject("fHistNEvents"));
3a219f60	368
27917274	369	//fNtupleCmp = dynamic_cast<TNtuple*> (GetOutputData(2));
10bdd1ae	370
3a219f60	371	return;
	372	}
	373