[u/mrichter/AliRoot.git] / PWG4 / JetTasks / AliPWG4HighPtSpectra.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.                  *
 **************************************************************************/

//-----------------------------------------------------------------------
// Example of task (running locally, on AliEn and CAF),
// which provides standard way of calculating acceptance and efficiency
// between different steps of the procedure.
// The ouptut of the task is a AliCFContainer from which the efficiencies
// can be calculated
//-----------------------------------------------------------------------
// Author : Marta Verweij - UU
//-----------------------------------------------------------------------


#ifndef ALIPWG4HIGHPTSPECTRA_CXX
#define ALIPWG4HIGHPTSPECTRA_CXX

#include "AliPWG4HighPtSpectra.h"

#include "TVector3.h"
#include <iostream>
#include "TH1.h"
#include "TH2.h"
#include "TH3.h"
#include "TList.h"
#include "TChain.h"

#include "AliAnalysisManager.h"
#include "AliESDInputHandler.h"
#include "AliESDtrack.h"
#include "AliESDtrackCuts.h"
#include "AliExternalTrackParam.h"

#include "AliLog.h"

#include "AliStack.h"
#include "TParticle.h"
#include "AliMCEvent.h"
#include "AliMCEventHandler.h"
#include "AliCFContainer.h"

//#include "$ALICE_ROOT/PWG4/JetTasks/AliAnalysisHelperJetTasks.h"

//#include <iostream>
using namespace std; //required for resolving the 'cout' symbol

ClassImp(AliPWG4HighPtSpectra)

//__________________________________________________________________________
AliPWG4HighPtSpectra::AliPWG4HighPtSpectra() : AliAnalysisTask("AliPWG4HighPtSpectra", ""), 
  fReadAODData(0),
  fCFManagerPos(0x0),
  fCFManagerNeg(0x0),
  fESD(0),
  fTrackCuts(0),
  fTrackCutsTPConly(0),
  fHistList(0),
  fNEventAll(0),
  fNEventSel(0)
{
  //
  //Default ctor
  //
}
//___________________________________________________________________________
AliPWG4HighPtSpectra::AliPWG4HighPtSpectra(const Char_t* name) :
  AliAnalysisTask(name,""),
  fReadAODData(0),
  fCFManagerPos(0x0),
  fCFManagerNeg(0x0),
  fESD(0),
  fTrackCuts(),
  fTrackCutsTPConly(0),
  fHistList(0),
  fNEventAll(0),
  fNEventSel(0)
{
  //
  // Constructor. Initialization of Inputs and Outputs
  //
  AliDebug(2,Form("AliPWG4HighPtSpectra","Calling Constructor"));
  // Input slot #0 works with a TChain ESD
  DefineInput(0, TChain::Class());
  // Output slot #0 writes into a TList
  DefineOutput(0,TList::Class());
  // Output slot #1, #2 writes into a AliCFContainer
  DefineOutput(1,AliCFContainer::Class());
  DefineOutput(2,AliCFContainer::Class());
  // Output slot #3 writes into a AliESDtrackCuts
  DefineOutput(3, AliESDtrackCuts::Class());
  DefineOutput(4, AliESDtrackCuts::Class());
}

//________________________________________________________________________
void AliPWG4HighPtSpectra::LocalInit()
{
  //
  // Only called once at beginning
  //
  PostData(3,fTrackCuts);
  PostData(4,fTrackCutsTPConly);
}

//________________________________________________________________________
void AliPWG4HighPtSpectra::ConnectInputData(Option_t *) 
{
  // Connect ESD here
  // Called once
  AliDebug(2,Form(">> AliPWG4HighPtSpectra::ConnectInputData \n"));
  //  cout << "cout >> AliPWG4HighPtSpectra::ConnectInputData" << endl;
  printf(">> AliPWG4HighPtSpectra::ConnectInputData \n");

  TTree* tree = dynamic_cast<TTree*> (GetInputData(0));
  if (!tree) {
    AliDebug(2,Form("ERROR: Could not read chain from input slot 0"));
  } else {
    
    AliESDInputHandler *esdH = dynamic_cast<AliESDInputHandler*> (AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler());
    
    if (!esdH) {
      AliDebug(2,Form("ERROR: Could not get ESDInputHandler"));
    } else {
      fESD = esdH->GetEvent();
    }
  }
  
}
//_________________________________________________
void AliPWG4HighPtSpectra::Exec(Option_t *)
{
  //
  // Main loop function
  //
  AliDebug(2,Form(">> AliPWG4HighPtSpectra::Exec \n"));  

  // All events without selection
  fNEventAll->Fill(0.);

  if (!fESD) {
    AliDebug(2,Form("ERROR: fESD not available"));
    PostData(0,fHistList);
    PostData(1,fCFManagerPos->GetParticleContainer());
    PostData(2,fCFManagerNeg->GetParticleContainer());
    return;
  }

  Bool_t isSelected = ((AliInputEventHandler*)(AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler()))->IsEventSelected();
  if(!isSelected) { //Select collison candidates
    AliDebug(2,Form(" Trigger Selection: event REJECTED ... "));
    PostData(0,fHistList);
    PostData(1,fCFManagerPos->GetParticleContainer());
    PostData(2,fCFManagerNeg->GetParticleContainer());
    return;
  }

  // Process MC truth, therefore we receive the AliAnalysisManager and ask it for the AliMCEventHandler
  // This handler can return the current MC event
  
  AliMCEventHandler *eventHandler = dynamic_cast<AliMCEventHandler*> (AliAnalysisManager::GetAnalysisManager()->GetMCtruthEventHandler());
  //  AliMCEventHandler* eventHandler = (AliMCEventHandler*)(AliAnalysisManager::GetAnalysisManager()->GetMCtruthEventHandler());
  
  AliStack* stack = 0x0;
  AliMCEvent* mcEvent = 0x0;
  
  if(eventHandler) {
    mcEvent = eventHandler->MCEvent();
    if (!mcEvent) {
      AliDebug(2,Form("ERROR: Could not retrieve MC event"));
      PostData(0,fHistList);
      PostData(1,fCFManagerPos->GetParticleContainer());
    PostData(2,fCFManagerNeg->GetParticleContainer());
    return;
    }
    
    AliDebug(2,Form("MC particles: %d", mcEvent->GetNumberOfTracks()));
    
    stack = mcEvent->Stack();                //Particles Stack
    
    AliDebug(2,Form("MC particles stack: %d", stack->GetNtrack()));
  }
  
  const AliESDVertex *vtx = fESD->GetPrimaryVertex();
  AliDebug(2,Form("Vertex title %s, status %d, nCont %d\n",vtx->GetTitle(), vtx->GetStatus(), vtx->GetNContributors()));
  // Need vertex cut
  if (vtx->GetNContributors() < 2) {
    PostData(0,fHistList);
    PostData(1,fCFManagerPos->GetParticleContainer());
    PostData(2,fCFManagerNeg->GetParticleContainer());
    return;
  }
  
  double primVtx[3];
  vtx->GetXYZ(primVtx);
  if(TMath::Sqrt(primVtx[0]*primVtx[0] + primVtx[1]*primVtx[1])>1. || TMath::Abs(primVtx[2]>10.)){
    PostData(0,fHistList);
    PostData(1,fCFManagerPos->GetParticleContainer());
    PostData(2,fCFManagerNeg->GetParticleContainer());
    return;
  }
  
  if(!fESD->GetNumberOfTracks() || fESD->GetNumberOfTracks()<2){ 
    // Post output data
    PostData(0,fHistList);
    PostData(1,fCFManagerPos->GetParticleContainer());
    PostData(2,fCFManagerNeg->GetParticleContainer());
    return;
  }
  Int_t nTracks = fESD->GetNumberOfTracks();
  AliDebug(2,Form("nTracks %d", nTracks));

  if(!fTrackCuts) { 
    // Post output data
    PostData(0,fHistList);
    PostData(1,fCFManagerPos->GetParticleContainer());
    PostData(2,fCFManagerNeg->GetParticleContainer());
    return;
  }

  // Selected events for analysis
  fNEventSel->Fill(0.);
  
  
  Double_t containerInputRec[5] ;
  Double_t containerInputTPConly[5];
  Double_t containerInputMC[5];
  //Now go to rec level
  for (Int_t iTrack = 0; iTrack<nTracks; iTrack++) 
    {   
      if(!fESD->GetTrack(iTrack) ) continue;
      AliESDtrack* track = fESD->GetTrack(iTrack);
      if(!(AliExternalTrackParam *)track->GetTPCInnerParam()) continue;
      AliExternalTrackParam *trackTPC = (AliExternalTrackParam *)track->GetTPCInnerParam();
      if(!track || !trackTPC) continue;

      Float_t dca2D, dcaZ;
      track->GetImpactParameters(dca2D,dcaZ);
      Float_t dca2DTPC, dcaZTPC;
      track->GetImpactParametersTPC(dca2DTPC,dcaZTPC); 
      Float_t chi2PerClusterTPC = -1.;
      Float_t nClustersTPC = track->GetTPCNcls();//track->GetTPCclusters(0);
      if(nClustersTPC>0.) chi2PerClusterTPC = track->GetTPCchi2()/(2.*nClustersTPC-5.);
      Float_t chi2PerClusterTPCIter1 = -1.;
      Float_t nClustersTPCIter1 = track->GetTPCNclsIter1();   
      if(nClustersTPCIter1>0.) chi2PerClusterTPCIter1 = track->GetTPCchi2Iter1()/(2.*nClustersTPCIter1-5.);

      //fill the container
      containerInputRec[0] = track->Pt();
      containerInputRec[1] = track->Phi();
      containerInputRec[2] = track->Eta();
      containerInputRec[3] = dca2D;
      containerInputRec[4] = chi2PerClusterTPC;

      //Store TPC Inner Params for TPConly tracks
      containerInputTPConly[0] = trackTPC->Pt();
      containerInputTPConly[1] = trackTPC->Phi();
      containerInputTPConly[2] = trackTPC->Eta();
      containerInputTPConly[3] = dca2DTPC/10.; //Divide by 10 in order to store in same container. Should be corrected back when looking at output.
      containerInputTPConly[4] = chi2PerClusterTPCIter1;//TPC;

      AliESDtrack* trackTPCESD = fTrackCutsTPConly->GetTPCOnlyTrack(fESD, iTrack);
      if(trackTPCESD) {
	if (fTrackCutsTPConly->AcceptTrack(trackTPCESD)) {
	  if(trackTPC->GetSign()>0.) fCFManagerPos->GetParticleContainer()->Fill(containerInputTPConly,kStepReconstructedTPCOnly);
	  if(trackTPC->GetSign()<0.) fCFManagerNeg->GetParticleContainer()->Fill(containerInputTPConly,kStepReconstructedTPCOnly);
	}
      }

      if (fTrackCuts->AcceptTrack(track)) {
	if(track->GetSign()>0.) fCFManagerPos->GetParticleContainer()->Fill(containerInputRec,kStepReconstructed);
	if(track->GetSign()<0.) fCFManagerNeg->GetParticleContainer()->Fill(containerInputRec,kStepReconstructed);

  	
	//Only fill the MC containers if MC information is available
	if(eventHandler) {
	  Int_t label = TMath::Abs(track->GetLabel());
	  TParticle *particle = stack->Particle(label) ;
	  if(!particle) continue;

	  containerInputMC[0] = particle->Pt();      
	  containerInputMC[1] = particle->Phi();      
	  containerInputMC[2] = particle->Eta();  
	  containerInputMC[3] = 0.0;      
	  containerInputMC[4] = 0.0;  

	  //Container with primaries
	  if(stack->IsPhysicalPrimary(label)) {
	    if(particle->GetPDG()->Charge()>0.) {
	      fCFManagerPos->GetParticleContainer()->Fill(containerInputMC,kStepReconstructedMC);
	    }
	    if(particle->GetPDG()->Charge()<0.) {
	      fCFManagerNeg->GetParticleContainer()->Fill(containerInputMC,kStepReconstructedMC);
	    }
	  }

	  //Container with secondaries
	  if (!stack->IsPhysicalPrimary(label) ) {
	    if(particle->GetPDG()->Charge()>0.) {
	      fCFManagerPos->GetParticleContainer()->Fill(containerInputRec,kStepSecondaries);
	    }
	    if(particle->GetPDG()->Charge()<0.) {
	      fCFManagerNeg->GetParticleContainer()->Fill(containerInputRec,kStepSecondaries);
	    }
	  }
	}
	
      }//trackCuts
      
    }//track loop
  

  //Fill MC containters if particles are findable
  if(eventHandler) {
    for(int iPart = 1; iPart<(mcEvent->GetNumberOfPrimaries()); iPart++)//stack->GetNprimary();
      {
	AliMCParticle *mcPart  = (AliMCParticle*)mcEvent->GetTrack(iPart);
	if(!mcPart) continue;
	
	//fill the container
	containerInputMC[0] = mcPart->Pt();
	containerInputMC[1] = mcPart->Phi();      
	containerInputMC[2] = mcPart->Eta();  
	containerInputMC[3] = 0.0;
	containerInputMC[4] = 0.0;

	int counter;
	Float_t trackLengthTPC = 0.;
	if(stack->IsPhysicalPrimary(iPart)) {
	  if(mcPart->Charge()>0. && fCFManagerPos->CheckParticleCuts(3,mcPart)) {
	    fCFManagerPos->GetParticleContainer()->Fill(containerInputMC,kStepMCAcceptance) ;
	    trackLengthTPC = mcPart->GetTPCTrackLength(fESD->GetMagneticField(),0.1,counter,3.0);
	    if(trackLengthTPC > (float)fTrackCuts->GetMinNClusterTPC()) fCFManagerPos->GetParticleContainer()->Fill(containerInputMC,kStepMCtrackable) ;
	  }
	  if(mcPart->Charge()<0. && fCFManagerNeg->CheckParticleCuts(3,mcPart)) {
	    fCFManagerNeg->GetParticleContainer()->Fill(containerInputMC,kStepMCAcceptance) ;
	    trackLengthTPC = mcPart->GetTPCTrackLength(fESD->GetMagneticField(),0.1,counter,3.0);
	    if(trackLengthTPC > (float)fTrackCuts->GetMinNClusterTPC()) fCFManagerNeg->GetParticleContainer()->Fill(containerInputMC,kStepMCtrackable) ;
	  }
	}
      }
  }
  
  PostData(0,fHistList);
  PostData(1,fCFManagerPos->GetParticleContainer());
  PostData(2,fCFManagerNeg->GetParticleContainer());
  
}


//___________________________________________________________________________
void AliPWG4HighPtSpectra::Terminate(Option_t*)
{
  // The Terminate() function is the last function to be called during
  // a query. It always runs on the client, it can be used to present
  // the results graphically or save the results to file.
}

//___________________________________________________________________________
void AliPWG4HighPtSpectra::CreateOutputObjects() {
  //HERE ONE CAN CREATE OUTPUT OBJECTS, IN PARTICULAR IF THE OBJECT PARAMETERS DON'T NEED
  //TO BE SET BEFORE THE EXECUTION OF THE TASK
  //
  AliDebug(2,Form("CreateOutputObjects","CreateOutputObjects of task %s", GetName()));

  Bool_t oldStatus = TH1::AddDirectoryStatus();
  TH1::AddDirectory(kFALSE); 

  //slot #1
  OpenFile(0);
  fHistList = new TList();
  fNEventAll = new TH1F("fNEventAll","NEventAll",1,-0.5,0.5);
  fHistList->Add(fNEventAll);
  fNEventSel = new TH1F("fNEventSel","NEvent Selected for analysis",1,-0.5,0.5);
  fHistList->Add(fNEventSel);

  TH1::AddDirectory(oldStatus);   

}

#endif
Commit	Line	Data
fdceab34	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	//-----------------------------------------------------------------------
	17	// Example of task (running locally, on AliEn and CAF),
	18	// which provides standard way of calculating acceptance and efficiency
	19	// between different steps of the procedure.
	20	// The ouptut of the task is a AliCFContainer from which the efficiencies
	21	// can be calculated
	22	//-----------------------------------------------------------------------
	23	// Author : Marta Verweij - UU
	24	//-----------------------------------------------------------------------
	25
	26
67ebd013	27	#ifndef ALIPWG4HIGHPTSPECTRA_CXX
67ebd013	28	#define ALIPWG4HIGHPTSPECTRA_CXX
fdceab34	29
	30	#include "AliPWG4HighPtSpectra.h"
	31
67ebd013	32	#include "TVector3.h"
	33	#include <iostream>
	34	#include "TH1.h"
	35	#include "TH2.h"
	36	#include "TH3.h"
	37	#include "TList.h"
	38	#include "TChain.h"
67ebd013	39
	40	#include "AliAnalysisManager.h"
	41	#include "AliESDInputHandler.h"
	42	#include "AliESDtrack.h"
	43	#include "AliESDtrackCuts.h"
	44	#include "AliExternalTrackParam.h"
65e8ecdd	45
67ebd013	46	#include "AliLog.h"
67ebd013	47
fdceab34	48	#include "AliStack.h"
fdceab34	49	#include "TParticle.h"
fdceab34	50	#include "AliMCEvent.h"
fdceab34	51	#include "AliMCEventHandler.h"
fdceab34	52	#include "AliCFContainer.h"
fdceab34	53
67ebd013	54	//#include "$ALICE_ROOT/PWG4/JetTasks/AliAnalysisHelperJetTasks.h"
	55
	56	//#include <iostream>
fdceab34	57	using namespace std; //required for resolving the 'cout' symbol
	58
	59	ClassImp(AliPWG4HighPtSpectra)
	60
	61	//__________________________________________________________________________
	62	AliPWG4HighPtSpectra::AliPWG4HighPtSpectra() : AliAnalysisTask("AliPWG4HighPtSpectra", ""),
	63	fReadAODData(0),
67ebd013	64	fCFManagerPos(0x0),
67ebd013	65	fCFManagerNeg(0x0),
fdceab34	66	fESD(0),
fdceab34	67	fTrackCuts(0),
1f329128	68	fTrackCutsTPConly(0),
fdceab34	69	fHistList(0),
b5cc0c6d	70	fNEventAll(0),
b5cc0c6d	71	fNEventSel(0)
fdceab34	72	{
	73	//
	74	//Default ctor
	75	//
	76	}
	77	//___________________________________________________________________________
	78	AliPWG4HighPtSpectra::AliPWG4HighPtSpectra(const Char_t* name) :
	79	AliAnalysisTask(name,""),
	80	fReadAODData(0),
67ebd013	81	fCFManagerPos(0x0),
67ebd013	82	fCFManagerNeg(0x0),
fdceab34	83	fESD(0),
67ebd013	84	fTrackCuts(),
1f329128	85	fTrackCutsTPConly(0),
fdceab34	86	fHistList(0),
b5cc0c6d	87	fNEventAll(0),
b5cc0c6d	88	fNEventSel(0)
fdceab34	89	{
	90	//
	91	// Constructor. Initialization of Inputs and Outputs
	92	//
67ebd013	93	AliDebug(2,Form("AliPWG4HighPtSpectra","Calling Constructor"));
fdceab34	94	// Input slot #0 works with a TChain ESD
fdceab34	95	DefineInput(0, TChain::Class());
e5abcde9	96	// Output slot #0 writes into a TList
fdceab34	97	DefineOutput(0,TList::Class());
e5abcde9	98	// Output slot #1, #2 writes into a AliCFContainer
fdceab34	99	DefineOutput(1,AliCFContainer::Class());
67ebd013	100	DefineOutput(2,AliCFContainer::Class());
e5abcde9	101	// Output slot #3 writes into a AliESDtrackCuts
e5abcde9	102	DefineOutput(3, AliESDtrackCuts::Class());
1f329128	103	DefineOutput(4, AliESDtrackCuts::Class());
e5abcde9	104	}
	105
	106	//________________________________________________________________________
	107	void AliPWG4HighPtSpectra::LocalInit()
	108	{
	109	//
	110	// Only called once at beginning
	111	//
	112	PostData(3,fTrackCuts);
1f329128	113	PostData(4,fTrackCutsTPConly);
fdceab34	114	}
fdceab34	115
fdceab34	116	//________________________________________________________________________
	117	void AliPWG4HighPtSpectra::ConnectInputData(Option_t *)
	118	{
	119	// Connect ESD here
	120	// Called once
df943115	121	AliDebug(2,Form(">> AliPWG4HighPtSpectra::ConnectInputData \n"));
67ebd013	122	// cout << "cout >> AliPWG4HighPtSpectra::ConnectInputData" << endl;
67ebd013	123	printf(">> AliPWG4HighPtSpectra::ConnectInputData \n");
fdceab34	124
	125	TTree* tree = dynamic_cast<TTree*> (GetInputData(0));
	126	if (!tree) {
df943115	127	AliDebug(2,Form("ERROR: Could not read chain from input slot 0"));
fdceab34	128	} else {
	129
	130	AliESDInputHandler esdH = dynamic_cast<AliESDInputHandler> (AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler());
	131
	132	if (!esdH) {
df943115	133	AliDebug(2,Form("ERROR: Could not get ESDInputHandler"));
67ebd013	134	} else {
fdceab34	135	fESD = esdH->GetEvent();
67ebd013	136	}
fdceab34	137	}
67ebd013	138
fdceab34	139	}
fdceab34	140	//_________________________________________________
67ebd013	141	void AliPWG4HighPtSpectra::Exec(Option_t *)
fdceab34	142	{
	143	//
	144	// Main loop function
	145	//
df943115	146	AliDebug(2,Form(">> AliPWG4HighPtSpectra::Exec \n"));
fdceab34	147
b5cc0c6d	148	// All events without selection
	149	fNEventAll->Fill(0.);
	150
fdceab34	151	if (!fESD) {
df943115	152	AliDebug(2,Form("ERROR: fESD not available"));
67ebd013	153	PostData(0,fHistList);
	154	PostData(1,fCFManagerPos->GetParticleContainer());
	155	PostData(2,fCFManagerNeg->GetParticleContainer());
fdceab34	156	return;
	157	}
	158
67ebd013	159	Bool_t isSelected = ((AliInputEventHandler*)(AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler()))->IsEventSelected();
67ebd013	160	if(!isSelected) { //Select collison candidates
b5cc0c6d	161	AliDebug(2,Form(" Trigger Selection: event REJECTED ... "));
cd9a6fa2	162	PostData(0,fHistList);
67ebd013	163	PostData(1,fCFManagerPos->GetParticleContainer());
67ebd013	164	PostData(2,fCFManagerNeg->GetParticleContainer());
b5cc0c6d	165	return;
67ebd013	166	}
b5cc0c6d	167
fdceab34	168	// Process MC truth, therefore we receive the AliAnalysisManager and ask it for the AliMCEventHandler
fdceab34	169	// This handler can return the current MC event
67ebd013	170
	171	AliMCEventHandler eventHandler = dynamic_cast<AliMCEventHandler> (AliAnalysisManager::GetAnalysisManager()->GetMCtruthEventHandler());
	172	// AliMCEventHandler* eventHandler = (AliMCEventHandler*)(AliAnalysisManager::GetAnalysisManager()->GetMCtruthEventHandler());
	173
0cc50ca6	174	AliStack* stack = 0x0;
0cc50ca6	175	AliMCEvent* mcEvent = 0x0;
67ebd013	176
0cc50ca6	177	if(eventHandler) {
	178	mcEvent = eventHandler->MCEvent();
	179	if (!mcEvent) {
	180	AliDebug(2,Form("ERROR: Could not retrieve MC event"));
67ebd013	181	PostData(0,fHistList);
	182	PostData(1,fCFManagerPos->GetParticleContainer());
	183	PostData(2,fCFManagerNeg->GetParticleContainer());
	184	return;
0cc50ca6	185	}
	186
	187	AliDebug(2,Form("MC particles: %d", mcEvent->GetNumberOfTracks()));
	188
	189	stack = mcEvent->Stack(); //Particles Stack
	190
	191	AliDebug(2,Form("MC particles stack: %d", stack->GetNtrack()));
fdceab34	192	}
0cc50ca6	193
fdceab34	194	const AliESDVertex *vtx = fESD->GetPrimaryVertex();
67ebd013	195	AliDebug(2,Form("Vertex title %s, status %d, nCont %d\n",vtx->GetTitle(), vtx->GetStatus(), vtx->GetNContributors()));
fdceab34	196	// Need vertex cut
67ebd013	197	if (vtx->GetNContributors() < 2) {
cd9a6fa2	198	PostData(0,fHistList);
67ebd013	199	PostData(1,fCFManagerPos->GetParticleContainer());
67ebd013	200	PostData(2,fCFManagerNeg->GetParticleContainer());
cd9a6fa2	201	return;
cd9a6fa2	202	}
67ebd013	203
b5cc0c6d	204	double primVtx[3];
b5cc0c6d	205	vtx->GetXYZ(primVtx);
67ebd013	206	if(TMath::Sqrt(primVtx[0]primVtx[0] + primVtx[1]primVtx[1])>1. \|\| TMath::Abs(primVtx[2]>10.)){
cd9a6fa2	207	PostData(0,fHistList);
67ebd013	208	PostData(1,fCFManagerPos->GetParticleContainer());
	209	PostData(2,fCFManagerNeg->GetParticleContainer());
	210	return;
	211	}
	212
	213	if(!fESD->GetNumberOfTracks() \|\| fESD->GetNumberOfTracks()<2){
	214	// Post output data
	215	PostData(0,fHistList);
	216	PostData(1,fCFManagerPos->GetParticleContainer());
	217	PostData(2,fCFManagerNeg->GetParticleContainer());
cd9a6fa2	218	return;
cd9a6fa2	219	}
fdceab34	220	Int_t nTracks = fESD->GetNumberOfTracks();
fdceab34	221	AliDebug(2,Form("nTracks %d", nTracks));
fdceab34	222
67ebd013	223	if(!fTrackCuts) {
	224	// Post output data
	225	PostData(0,fHistList);
	226	PostData(1,fCFManagerPos->GetParticleContainer());
	227	PostData(2,fCFManagerNeg->GetParticleContainer());
	228	return;
	229	}
	230
b5cc0c6d	231	// Selected events for analysis
b5cc0c6d	232	fNEventSel->Fill(0.);
67ebd013	233
	234
	235	Double_t containerInputRec[5] ;
	236	Double_t containerInputTPConly[5];
	237	Double_t containerInputMC[5];
fdceab34	238	//Now go to rec level
	239	for (Int_t iTrack = 0; iTrack<nTracks; iTrack++)
	240	{
	241	if(!fESD->GetTrack(iTrack) ) continue;
	242	AliESDtrack* track = fESD->GetTrack(iTrack);
	243	if(!(AliExternalTrackParam *)track->GetTPCInnerParam()) continue;
	244	AliExternalTrackParam trackTPC = (AliExternalTrackParam )track->GetTPCInnerParam();
	245	if(!track \|\| !trackTPC) continue;
	246
67ebd013	247	Float_t dca2D, dcaZ;
	248	track->GetImpactParameters(dca2D,dcaZ);
	249	Float_t dca2DTPC, dcaZTPC;
	250	track->GetImpactParametersTPC(dca2DTPC,dcaZTPC);
	251	Float_t chi2PerClusterTPC = -1.;
	252	Float_t nClustersTPC = track->GetTPCNcls();//track->GetTPCclusters(0);
38ecb6a5	253	if(nClustersTPC>0.) chi2PerClusterTPC = track->GetTPCchi2()/(2.*nClustersTPC-5.);
	254	Float_t chi2PerClusterTPCIter1 = -1.;
	255	Float_t nClustersTPCIter1 = track->GetTPCNclsIter1();
	256	if(nClustersTPCIter1>0.) chi2PerClusterTPCIter1 = track->GetTPCchi2Iter1()/(2.*nClustersTPCIter1-5.);
67ebd013	257
fdceab34	258	//fill the container
fdceab34	259	containerInputRec[0] = track->Pt();
67ebd013	260	containerInputRec[1] = track->Phi();
	261	containerInputRec[2] = track->Eta();
	262	containerInputRec[3] = dca2D;
	263	containerInputRec[4] = chi2PerClusterTPC;
	264
1f329128	265	//Store TPC Inner Params for TPConly tracks
fdceab34	266	containerInputTPConly[0] = trackTPC->Pt();
67ebd013	267	containerInputTPConly[1] = trackTPC->Phi();
67ebd013	268	containerInputTPConly[2] = trackTPC->Eta();
add06ceb	269	containerInputTPConly[3] = dca2DTPC/10.; //Divide by 10 in order to store in same container. Should be corrected back when looking at output.
38ecb6a5	270	containerInputTPConly[4] = chi2PerClusterTPCIter1;//TPC;
0cc50ca6	271
1f329128	272	AliESDtrack* trackTPCESD = fTrackCutsTPConly->GetTPCOnlyTrack(fESD, iTrack);
	273	if(trackTPCESD) {
	274	if (fTrackCutsTPConly->AcceptTrack(trackTPCESD)) {
	275	if(trackTPC->GetSign()>0.) fCFManagerPos->GetParticleContainer()->Fill(containerInputTPConly,kStepReconstructedTPCOnly);
	276	if(trackTPC->GetSign()<0.) fCFManagerNeg->GetParticleContainer()->Fill(containerInputTPConly,kStepReconstructedTPCOnly);
67ebd013	277	}
1f329128	278	}
	279
	280	if (fTrackCuts->AcceptTrack(track)) {
	281	if(track->GetSign()>0.) fCFManagerPos->GetParticleContainer()->Fill(containerInputRec,kStepReconstructed);
	282	if(track->GetSign()<0.) fCFManagerNeg->GetParticleContainer()->Fill(containerInputRec,kStepReconstructed);
	283
67ebd013	284
1f329128	285	//Only fill the MC containers if MC information is available
0cc50ca6	286	if(eventHandler) {
	287	Int_t label = TMath::Abs(track->GetLabel());
	288	TParticle *particle = stack->Particle(label) ;
	289	if(!particle) continue;
65e8ecdd	290
0cc50ca6	291	containerInputMC[0] = particle->Pt();
67ebd013	292	containerInputMC[1] = particle->Phi();
	293	containerInputMC[2] = particle->Eta();
	294	containerInputMC[3] = 0.0;
	295	containerInputMC[4] = 0.0;
	296
1f329128	297	//Container with primaries
	298	if(stack->IsPhysicalPrimary(label)) {
	299	if(particle->GetPDG()->Charge()>0.) {
	300	fCFManagerPos->GetParticleContainer()->Fill(containerInputMC,kStepReconstructedMC);
	301	}
	302	if(particle->GetPDG()->Charge()<0.) {
	303	fCFManagerNeg->GetParticleContainer()->Fill(containerInputMC,kStepReconstructedMC);
	304	}
67ebd013	305	}
67ebd013	306
1f329128	307	//Container with secondaries
0cc50ca6	308	if (!stack->IsPhysicalPrimary(label) ) {
67ebd013	309	if(particle->GetPDG()->Charge()>0.) {
	310	fCFManagerPos->GetParticleContainer()->Fill(containerInputRec,kStepSecondaries);
	311	}
	312	if(particle->GetPDG()->Charge()<0.) {
	313	fCFManagerNeg->GetParticleContainer()->Fill(containerInputRec,kStepSecondaries);
	314	}
0cc50ca6	315	}
0cc50ca6	316	}
67ebd013	317
1f329128	318	}//trackCuts
fdceab34	319
1f329128	320	}//track loop
67ebd013	321
fdceab34	322
65e8ecdd	323	//Fill MC containters if particles are findable
0cc50ca6	324	if(eventHandler) {
1f329128	325	for(int iPart = 1; iPart<(mcEvent->GetNumberOfPrimaries()); iPart++)//stack->GetNprimary();
0cc50ca6	326	{
	327	AliMCParticle mcPart = (AliMCParticle)mcEvent->GetTrack(iPart);
	328	if(!mcPart) continue;
	329
	330	//fill the container
	331	containerInputMC[0] = mcPart->Pt();
67ebd013	332	containerInputMC[1] = mcPart->Phi();
	333	containerInputMC[2] = mcPart->Eta();
	334	containerInputMC[3] = 0.0;
	335	containerInputMC[4] = 0.0;
	336
0cc50ca6	337	int counter;
65e8ecdd	338	Float_t trackLengthTPC = 0.;
1f329128	339	if(stack->IsPhysicalPrimary(iPart)) {
	340	if(mcPart->Charge()>0. && fCFManagerPos->CheckParticleCuts(3,mcPart)) {
	341	fCFManagerPos->GetParticleContainer()->Fill(containerInputMC,kStepMCAcceptance) ;
	342	trackLengthTPC = mcPart->GetTPCTrackLength(fESD->GetMagneticField(),0.1,counter,3.0);
	343	if(trackLengthTPC > (float)fTrackCuts->GetMinNClusterTPC()) fCFManagerPos->GetParticleContainer()->Fill(containerInputMC,kStepMCtrackable) ;
	344	}
	345	if(mcPart->Charge()<0. && fCFManagerNeg->CheckParticleCuts(3,mcPart)) {
	346	fCFManagerNeg->GetParticleContainer()->Fill(containerInputMC,kStepMCAcceptance) ;
	347	trackLengthTPC = mcPart->GetTPCTrackLength(fESD->GetMagneticField(),0.1,counter,3.0);
	348	if(trackLengthTPC > (float)fTrackCuts->GetMinNClusterTPC()) fCFManagerNeg->GetParticleContainer()->Fill(containerInputMC,kStepMCtrackable) ;
	349	}
67ebd013	350	}
0cc50ca6	351	}
0cc50ca6	352	}
67ebd013	353
67ebd013	354	PostData(0,fHistList);
	355	PostData(1,fCFManagerPos->GetParticleContainer());
	356	PostData(2,fCFManagerNeg->GetParticleContainer());
	357
fdceab34	358	}
	359
	360
	361	//___________________________________________________________________________
	362	void AliPWG4HighPtSpectra::Terminate(Option_t*)
	363	{
	364	// The Terminate() function is the last function to be called during
	365	// a query. It always runs on the client, it can be used to present
	366	// the results graphically or save the results to file.
fdceab34	367	}
fdceab34	368
fdceab34	369	//___________________________________________________________________________
	370	void AliPWG4HighPtSpectra::CreateOutputObjects() {
	371	//HERE ONE CAN CREATE OUTPUT OBJECTS, IN PARTICULAR IF THE OBJECT PARAMETERS DON'T NEED
	372	//TO BE SET BEFORE THE EXECUTION OF THE TASK
	373	//
df943115	374	AliDebug(2,Form("CreateOutputObjects","CreateOutputObjects of task %s", GetName()));
df943115	375
67ebd013	376	Bool_t oldStatus = TH1::AddDirectoryStatus();
	377	TH1::AddDirectory(kFALSE);
	378
fdceab34	379	//slot #1
b5cc0c6d	380	OpenFile(0);
	381	fHistList = new TList();
	382	fNEventAll = new TH1F("fNEventAll","NEventAll",1,-0.5,0.5);
	383	fHistList->Add(fNEventAll);
	384	fNEventSel = new TH1F("fNEventSel","NEvent Selected for analysis",1,-0.5,0.5);
	385	fHistList->Add(fNEventSel);
fdceab34	386
67ebd013	387	TH1::AddDirectory(oldStatus);
67ebd013	388
fdceab34	389	}
	390
	391	#endif