[u/mrichter/AliRoot.git] / PWG2 / AliAnalysisTaskProtonsQA.cxx

#include "TChain.h"
#include "TTree.h"
#include "TString.h"
#include "TList.h"
#include "TH2F.h"
#include "TH1I.h"
#include "TF1.h"
#include "TCanvas.h"
#include "TLorentzVector.h"

#include "AliAnalysisTask.h"
#include "AliAnalysisManager.h"

#include "AliESDEvent.h"
#include "AliESDInputHandler.h"
#include "AliMCEventHandler.h"
#include "AliMCEvent.h"
#include "AliStack.h"
#include "AliVertexerTracks.h"
#include "AliESDVertex.h"

#include "AliProtonQAAnalysis.h"
#include "AliAnalysisTaskProtonsQA.h"

// Analysis task used for the QA of the (anti)proton analysis
// Author: Panos Cristakoglou

ClassImp(AliAnalysisTaskProtonsQA)
  
//________________________________________________________________________ 
AliAnalysisTaskProtonsQA::AliAnalysisTaskProtonsQA()
  : AliAnalysisTask(), fESD(0), fMC(0),
    fList0(0), fList1(0), fList2(0), fList3(0), fList4(0), fList5(0),
    fProtonQAAnalysis(0), 
    fTriggerMode(kMB2), fProtonAnalysisMode(kTPC),
    fVxMax(0), fVyMax(0), fVzMax(0) {
  //Dummy constructor
}

//________________________________________________________________________
AliAnalysisTaskProtonsQA::AliAnalysisTaskProtonsQA(const char *name) 
  : AliAnalysisTask(name, ""), fESD(0), fMC(0),
    fList0(0), fList1(0), fList2(0), fList3(0), fList4(0), fList5(0),
    fProtonQAAnalysis(0),
    fTriggerMode(kMB2), fProtonAnalysisMode(kTPC),
    fVxMax(0), fVyMax(0), fVzMax(0) {
  // Constructor
  
  // Define input and output slots here
  // Input slot #0 works with a TChain
  DefineInput(0, TChain::Class());
  // Output slot #0 writes into a TList container
  DefineOutput(0, TList::Class());
  DefineOutput(1, TList::Class());
  DefineOutput(2, TList::Class());
  DefineOutput(3, TList::Class());
  DefineOutput(4, TList::Class());
  DefineOutput(5, TList::Class());
}

//________________________________________________________________________
void AliAnalysisTaskProtonsQA::ConnectInputData(Option_t *) {
  // Connect ESD or AOD here
  // Called once

  TTree* tree = dynamic_cast<TTree*> (GetInputData(0));
  if (!tree) {
    Printf("ERROR: Could not read chain from input slot 0");
  } else {
    AliESDInputHandler *esdH = dynamic_cast<AliESDInputHandler*> (AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler());
     
    if (!esdH) {
      Printf("ERROR: Could not get ESDInputHandler");
    } else
      fESD = esdH->GetEvent();
  }

  AliMCEventHandler* mcH = dynamic_cast<AliMCEventHandler*> (AliAnalysisManager::GetAnalysisManager()->GetMCtruthEventHandler());
  if (!mcH) {
    Printf("ERROR: Could not retrieve MC event handler");
  }
  else
    fMC = mcH->MCEvent();
}

//________________________________________________________________________
void AliAnalysisTaskProtonsQA::CreateOutputObjects() {
  // Create histograms
  // Called once
  //Prior probabilities
  Double_t partFrac[5] = {0.01, 0.01, 0.85, 0.10, 0.05};
  
  //proton analysis object
  fProtonQAAnalysis = new AliProtonQAAnalysis();
  fProtonQAAnalysis->SetRunMCAnalysis();
  fProtonQAAnalysis->SetRunEfficiencyAnalysis(kTRUE,kFALSE); //kTRUE,kTRUE for eta-pT efficiencies and if the cuts should be used in the reco and pid efficiencies
  //fProtonQAAnalysis->SetMCProcessId(13);//4: weak decay - 13: hadronic interaction
  //fProtonQAAnalysis->SetMotherParticlePDGCode(3122);//3122: Lambda

  //Use of TPConly tracks
  if(fProtonAnalysisMode == kTPC) {
    //fProtonQAAnalysis->SetQAYPtBins(20, -1.0, 1.0, 28, 0.1, 1.5); //TPC only
    fProtonQAAnalysis->SetQAYPtBins(10, -0.5, 0.5, 16, 0.5, 0.9); //TPC only
    fProtonQAAnalysis->UseTPCOnly();
    //fProtonQAAnalysis->SetTPCpid();
    fProtonQAAnalysis->SetMinTPCClusters(100);
    fProtonQAAnalysis->SetMaxChi2PerTPCCluster(2.2);
    fProtonQAAnalysis->SetMaxCov11(0.5);
    fProtonQAAnalysis->SetMaxCov22(0.5);
    fProtonQAAnalysis->SetMaxCov33(0.5);
    fProtonQAAnalysis->SetMaxCov44(0.5);
    fProtonQAAnalysis->SetMaxCov55(0.5);
    fProtonQAAnalysis->SetMaxSigmaToVertexTPC(2.0);
    //fProtonQAAnalysis->SetMaxDCAXYTPC(1.5);
    //fProtonQAAnalysis->SetMaxDCAZTPC(1.5);
  }
  //Use of HybridTPC tracks
  else if(fProtonAnalysisMode == kHybrid) {
    fProtonQAAnalysis->SetQAYPtBins(10, -0.5, 0.5, 16, 0.5, 0.9); //HybridTPC
    fProtonQAAnalysis->UseHybridTPC();
    fProtonQAAnalysis->SetTPCpid();
    fProtonQAAnalysis->SetMinTPCClusters(110);
    fProtonQAAnalysis->SetMaxChi2PerTPCCluster(2.2);
    fProtonQAAnalysis->SetMaxCov11(0.5);
    fProtonQAAnalysis->SetMaxCov22(0.5);
    fProtonQAAnalysis->SetMaxCov33(0.5);
    fProtonQAAnalysis->SetMaxCov44(0.5);
    fProtonQAAnalysis->SetMaxCov55(0.5);
    fProtonQAAnalysis->SetMaxSigmaToVertex(2.0);
    /*fProtonQAAnalysis->SetMaxDCAXY(1.5);
      fProtonQAAnalysis->SetMaxDCAZ(1.5);*/
    //fProtonQAAnalysis->SetPointOnITSLayer6();
    //fProtonQAAnalysis->SetPointOnITSLayer5();
    //fProtonQAAnalysis->SetPointOnITSLayer4();
    //fProtonQAAnalysis->SetPointOnITSLayer3();
    //fProtonQAAnalysis->SetPointOnITSLayer2();
    //fProtonQAAnalysis->SetPointOnITSLayer1();
    //fProtonQAAnalysis->SetMinITSClusters(5);
  }
  //Combined tracking
  else if(fProtonAnalysisMode == kGlobal) {
    fProtonQAAnalysis->SetQAYPtBins(20, -1.0, 1.0, 28, 0.1, 1.5); //combined tracking
    fProtonQAAnalysis->SetMinTPCClusters(110);
    fProtonQAAnalysis->SetMaxChi2PerTPCCluster(2.2);
    fProtonQAAnalysis->SetMaxCov11(0.5);
    fProtonQAAnalysis->SetMaxCov22(0.5);
    fProtonQAAnalysis->SetMaxCov33(0.5);
    fProtonQAAnalysis->SetMaxCov44(0.5);
    fProtonQAAnalysis->SetMaxCov55(0.5);
    fProtonQAAnalysis->SetMaxSigmaToVertex(2.0);
    //fProtonQAAnalysis->SetMaxDCAXY(2.0);
    //fProtonQAAnalysis->SetMaxDCAZ(2.0);
    fProtonQAAnalysis->SetTPCRefit();
    fProtonQAAnalysis->SetPointOnITSLayer1();
    fProtonQAAnalysis->SetPointOnITSLayer2();
    //fProtonQAAnalysis->SetPointOnITSLayer3();
    //fProtonQAAnalysis->SetPointOnITSLayer4();
    fProtonQAAnalysis->SetPointOnITSLayer5();
    fProtonQAAnalysis->SetPointOnITSLayer6();
    fProtonQAAnalysis->SetMinITSClusters(5);
    fProtonQAAnalysis->SetITSRefit();
    fProtonQAAnalysis->SetESDpid();
  }

  fProtonQAAnalysis->SetPriorProbabilities(partFrac);
  
  fList0 = new TList();
  fList0 = fProtonQAAnalysis->GetGlobalQAList();

  fList1 = new TList();
  fList1 = fProtonQAAnalysis->GetPDGList();

  fList2 = new TList();
  fList2 = fProtonQAAnalysis->GetMCProcessesList();

  fList3 = new TList();
  fList3 = fProtonQAAnalysis->GetAcceptedCutList();

  fList4 = new TList();
  fList4 = fProtonQAAnalysis->GetAcceptedDCAList();

  fList5 = new TList();
  fList5 = fProtonQAAnalysis->GetEfficiencyQAList();
}

//________________________________________________________________________
void AliAnalysisTaskProtonsQA::Exec(Option_t *) {
  // Main loop
  // Called for each event
  
  if (!fESD) {
    Printf("ERROR: fESD not available");
    return;
  }
  
  if (!fMC) {
    Printf("ERROR: Could not retrieve MC event");
    return;
  }
  
  AliStack* stack = fMC->Stack();
  if (!stack) {
    Printf("ERROR: Could not retrieve the stack");
    return;
  }
  
  if(IsEventTriggered(fESD,fTriggerMode)) {
    const AliESDVertex *vertex = GetVertex(fESD,fProtonAnalysisMode,
					   fVxMax,fVyMax,fVzMax);
    if(vertex) {
      fProtonQAAnalysis->RunQAAnalysis(stack, fESD, vertex);
      fProtonQAAnalysis->RunMCAnalysis(stack);
      fProtonQAAnalysis->RunEfficiencyAnalysis(stack, fESD, vertex);
    }//accepted vertex
  }//triggered event
  
  // Post output data.
  PostData(0, fList0);
  PostData(1, fList1);
  PostData(2, fList2);
  PostData(3, fList3);
  PostData(4, fList4);
  PostData(5, fList5);
}      

//________________________________________________________________________
void AliAnalysisTaskProtonsQA::Terminate(Option_t *) {
  // Draw result to the screen
  // Called once at the end of the query
  
  fList0 = dynamic_cast<TList*> (GetOutputData(0));
  if (!fList0) {
    Printf("ERROR: fList0 not available");
    return;
  }
  fList1 = dynamic_cast<TList*> (GetOutputData(1));
  if (!fList1) {
    Printf("ERROR: fList1 not available");
    return;
  }
  fList2 = dynamic_cast<TList*> (GetOutputData(2));
  if (!fList2) {
    Printf("ERROR: fList2 not available");
    return;
  }
  fList3 = dynamic_cast<TList*> (GetOutputData(3));
  if (!fList3) {
    Printf("ERROR: fList3 not available");
    return;
  }
  fList4 = dynamic_cast<TList*> (GetOutputData(4));
  if (!fList4) {
    Printf("ERROR: fList4 not available");
    return;
  }
  fList5 = dynamic_cast<TList*> (GetOutputData(5));
  if (!fList5) {
    Printf("ERROR: fList5 not available");
    return;
  }
}

//________________________________________________________________________
Bool_t AliAnalysisTaskProtonsQA::IsEventTriggered(const AliESDEvent *esd, 
						  TriggerMode trigger) {
  // check if the event was triggered
  ULong64_t triggerMask = esd->GetTriggerMask();
  
  // definitions from p-p.cfg
  ULong64_t spdFO = (1 << 14);
  ULong64_t v0left = (1 << 11);
  ULong64_t v0right = (1 << 12);

  switch (trigger) {
  case kMB1: {
    if (triggerMask & spdFO || ((triggerMask & v0left) || (triggerMask & v0right)))
      return kTRUE;
    break;
  }
  case kMB2: {
    if (triggerMask & spdFO && ((triggerMask & v0left) || (triggerMask & v0right)))
      return kTRUE;
    break;
  }
  case kSPDFASTOR: {
    if (triggerMask & spdFO)
      return kTRUE;
    break;
  }
  }//switch

  return kFALSE;
}

//________________________________________________________________________
const AliESDVertex* AliAnalysisTaskProtonsQA::GetVertex(AliESDEvent* esd, 
							AnalysisMode mode,
							Double_t gVxMax,
							Double_t gVyMax,
							Double_t gVzMax) {
  // Get the vertex from the ESD and returns it if the vertex is valid
  // Second argument decides which vertex is used (this selects
  // also the quality criteria that are applied)
  const AliESDVertex* vertex = 0;
  if(mode == kHybrid)
    vertex = esd->GetPrimaryVertexSPD();
  else if(mode == kTPC){
    Double_t kBz = esd->GetMagneticField();
    AliVertexerTracks vertexer(kBz);
    vertexer.SetTPCMode();
    AliESDVertex *vTPC = vertexer.FindPrimaryVertex(esd);
    esd->SetPrimaryVertexTPC(vTPC);
    for (Int_t i=0; i<esd->GetNumberOfTracks(); i++) {
      AliESDtrack *t = esd->GetTrack(i);
      t->RelateToVertexTPC(vTPC, kBz, kVeryBig);
    }
    delete vTPC;
    vertex = esd->GetPrimaryVertexTPC();
  }
  else if(mode == kGlobal)
    vertex = esd->GetPrimaryVertex();
  else
    Printf("GetVertex: ERROR: Invalid second argument %d", mode);
  
  if(!vertex) return 0;
  
  // check Ncontributors
  if(vertex->GetNContributors() <= 0) return 0;
  
  // check resolution
  Double_t zRes = vertex->GetZRes();
  if(zRes == 0) return 0;
  
  //check position
  if(TMath::Abs(vertex->GetXv()) > gVxMax) return 0;
  if(TMath::Abs(vertex->GetYv()) > gVyMax) return 0;
  if(TMath::Abs(vertex->GetZv()) > gVzMax) return 0;
  
  return vertex;
}
Commit	Line	Data
7b59a00b	1	#include "TChain.h"
	2	#include "TTree.h"
	3	#include "TString.h"
	4	#include "TList.h"
	5	#include "TH2F.h"
	6	#include "TH1I.h"
	7	#include "TF1.h"
	8	#include "TCanvas.h"
	9	#include "TLorentzVector.h"
	10
	11	#include "AliAnalysisTask.h"
	12	#include "AliAnalysisManager.h"
	13
	14	#include "AliESDEvent.h"
	15	#include "AliESDInputHandler.h"
	16	#include "AliMCEventHandler.h"
	17	#include "AliMCEvent.h"
	18	#include "AliStack.h"
5429dd65	19	#include "AliVertexerTracks.h"
5429dd65	20	#include "AliESDVertex.h"
7b59a00b	21
5ae0977e	22	#include "AliProtonQAAnalysis.h"
7b59a00b	23	#include "AliAnalysisTaskProtonsQA.h"
	24
	25	// Analysis task used for the QA of the (anti)proton analysis
	26	// Author: Panos Cristakoglou
	27
	28	ClassImp(AliAnalysisTaskProtonsQA)
5429dd65	29
7b59a00b	30	//________________________________________________________________________
	31	AliAnalysisTaskProtonsQA::AliAnalysisTaskProtonsQA()
	32	: AliAnalysisTask(), fESD(0), fMC(0),
9c0b9f24	33	fList0(0), fList1(0), fList2(0), fList3(0), fList4(0), fList5(0),
5429dd65	34	fProtonQAAnalysis(0),
	35	fTriggerMode(kMB2), fProtonAnalysisMode(kTPC),
	36	fVxMax(0), fVyMax(0), fVzMax(0) {
	37	//Dummy constructor
7b59a00b	38	}
	39
	40	//________________________________________________________________________
	41	AliAnalysisTaskProtonsQA::AliAnalysisTaskProtonsQA(const char *name)
5429dd65	42	: AliAnalysisTask(name, ""), fESD(0), fMC(0),
	43	fList0(0), fList1(0), fList2(0), fList3(0), fList4(0), fList5(0),
	44	fProtonQAAnalysis(0),
	45	fTriggerMode(kMB2), fProtonAnalysisMode(kTPC),
	46	fVxMax(0), fVyMax(0), fVzMax(0) {
7b59a00b	47	// Constructor
5429dd65	48
7b59a00b	49	// Define input and output slots here
	50	// Input slot #0 works with a TChain
	51	DefineInput(0, TChain::Class());
	52	// Output slot #0 writes into a TList container
	53	DefineOutput(0, TList::Class());
d4733690	54	DefineOutput(1, TList::Class());
d4733690	55	DefineOutput(2, TList::Class());
5b8133c7	56	DefineOutput(3, TList::Class());
5b8133c7	57	DefineOutput(4, TList::Class());
9c0b9f24	58	DefineOutput(5, TList::Class());
7b59a00b	59	}
	60
	61	//________________________________________________________________________
	62	void AliAnalysisTaskProtonsQA::ConnectInputData(Option_t *) {
	63	// Connect ESD or AOD here
	64	// Called once
	65
	66	TTree* tree = dynamic_cast<TTree*> (GetInputData(0));
	67	if (!tree) {
	68	Printf("ERROR: Could not read chain from input slot 0");
	69	} else {
7b59a00b	70	AliESDInputHandler esdH = dynamic_cast<AliESDInputHandler> (AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler());
	71
	72	if (!esdH) {
	73	Printf("ERROR: Could not get ESDInputHandler");
	74	} else
	75	fESD = esdH->GetEvent();
	76	}
	77
	78	AliMCEventHandler* mcH = dynamic_cast<AliMCEventHandler*> (AliAnalysisManager::GetAnalysisManager()->GetMCtruthEventHandler());
	79	if (!mcH) {
	80	Printf("ERROR: Could not retrieve MC event handler");
	81	}
	82	else
	83	fMC = mcH->MCEvent();
	84	}
	85
	86	//________________________________________________________________________
	87	void AliAnalysisTaskProtonsQA::CreateOutputObjects() {
	88	// Create histograms
	89	// Called once
	90	//Prior probabilities
	91	Double_t partFrac[5] = {0.01, 0.01, 0.85, 0.10, 0.05};
	92
	93	//proton analysis object
5429dd65	94	fProtonQAAnalysis = new AliProtonQAAnalysis();
	95	fProtonQAAnalysis->SetRunMCAnalysis();
	96	fProtonQAAnalysis->SetRunEfficiencyAnalysis(kTRUE,kFALSE); //kTRUE,kTRUE for eta-pT efficiencies and if the cuts should be used in the reco and pid efficiencies
	97	//fProtonQAAnalysis->SetMCProcessId(13);//4: weak decay - 13: hadronic interaction
	98	//fProtonQAAnalysis->SetMotherParticlePDGCode(3122);//3122: Lambda
7b59a00b	99
3a954fe7	100	//Use of TPConly tracks
5429dd65	101	if(fProtonAnalysisMode == kTPC) {
3e23254a	102	//fProtonQAAnalysis->SetQAYPtBins(20, -1.0, 1.0, 28, 0.1, 1.5); //TPC only
6667f3a7	103	fProtonQAAnalysis->SetQAYPtBins(10, -0.5, 0.5, 16, 0.5, 0.9); //TPC only
5429dd65	104	fProtonQAAnalysis->UseTPCOnly();
	105	//fProtonQAAnalysis->SetTPCpid();
	106	fProtonQAAnalysis->SetMinTPCClusters(100);
	107	fProtonQAAnalysis->SetMaxChi2PerTPCCluster(2.2);
	108	fProtonQAAnalysis->SetMaxCov11(0.5);
	109	fProtonQAAnalysis->SetMaxCov22(0.5);
	110	fProtonQAAnalysis->SetMaxCov33(0.5);
	111	fProtonQAAnalysis->SetMaxCov44(0.5);
	112	fProtonQAAnalysis->SetMaxCov55(0.5);
	113	fProtonQAAnalysis->SetMaxSigmaToVertexTPC(2.0);
	114	//fProtonQAAnalysis->SetMaxDCAXYTPC(1.5);
	115	//fProtonQAAnalysis->SetMaxDCAZTPC(1.5);
	116	}
0326e385	117	//Use of HybridTPC tracks
5429dd65	118	else if(fProtonAnalysisMode == kHybrid) {
6667f3a7	119	fProtonQAAnalysis->SetQAYPtBins(10, -0.5, 0.5, 16, 0.5, 0.9); //HybridTPC
5429dd65	120	fProtonQAAnalysis->UseHybridTPC();
	121	fProtonQAAnalysis->SetTPCpid();
	122	fProtonQAAnalysis->SetMinTPCClusters(110);
	123	fProtonQAAnalysis->SetMaxChi2PerTPCCluster(2.2);
	124	fProtonQAAnalysis->SetMaxCov11(0.5);
	125	fProtonQAAnalysis->SetMaxCov22(0.5);
	126	fProtonQAAnalysis->SetMaxCov33(0.5);
	127	fProtonQAAnalysis->SetMaxCov44(0.5);
	128	fProtonQAAnalysis->SetMaxCov55(0.5);
	129	fProtonQAAnalysis->SetMaxSigmaToVertex(2.0);
	130	/*fProtonQAAnalysis->SetMaxDCAXY(1.5);
	131	fProtonQAAnalysis->SetMaxDCAZ(1.5);*/
3e23254a	132	//fProtonQAAnalysis->SetPointOnITSLayer6();
	133	//fProtonQAAnalysis->SetPointOnITSLayer5();
	134	//fProtonQAAnalysis->SetPointOnITSLayer4();
	135	//fProtonQAAnalysis->SetPointOnITSLayer3();
	136	//fProtonQAAnalysis->SetPointOnITSLayer2();
	137	//fProtonQAAnalysis->SetPointOnITSLayer1();
	138	//fProtonQAAnalysis->SetMinITSClusters(5);
5429dd65	139	}
7b59a00b	140	//Combined tracking
5429dd65	141	else if(fProtonAnalysisMode == kGlobal) {
3e23254a	142	fProtonQAAnalysis->SetQAYPtBins(20, -1.0, 1.0, 28, 0.1, 1.5); //combined tracking
5429dd65	143	fProtonQAAnalysis->SetMinTPCClusters(110);
	144	fProtonQAAnalysis->SetMaxChi2PerTPCCluster(2.2);
	145	fProtonQAAnalysis->SetMaxCov11(0.5);
	146	fProtonQAAnalysis->SetMaxCov22(0.5);
	147	fProtonQAAnalysis->SetMaxCov33(0.5);
	148	fProtonQAAnalysis->SetMaxCov44(0.5);
	149	fProtonQAAnalysis->SetMaxCov55(0.5);
	150	fProtonQAAnalysis->SetMaxSigmaToVertex(2.0);
	151	//fProtonQAAnalysis->SetMaxDCAXY(2.0);
	152	//fProtonQAAnalysis->SetMaxDCAZ(2.0);
	153	fProtonQAAnalysis->SetTPCRefit();
	154	fProtonQAAnalysis->SetPointOnITSLayer1();
	155	fProtonQAAnalysis->SetPointOnITSLayer2();
	156	//fProtonQAAnalysis->SetPointOnITSLayer3();
	157	//fProtonQAAnalysis->SetPointOnITSLayer4();
	158	fProtonQAAnalysis->SetPointOnITSLayer5();
	159	fProtonQAAnalysis->SetPointOnITSLayer6();
	160	fProtonQAAnalysis->SetMinITSClusters(5);
	161	fProtonQAAnalysis->SetITSRefit();
	162	fProtonQAAnalysis->SetESDpid();
	163	}
7b59a00b	164
5429dd65	165	fProtonQAAnalysis->SetPriorProbabilities(partFrac);
5429dd65	166
d4733690	167	fList0 = new TList();
5429dd65	168	fList0 = fProtonQAAnalysis->GetGlobalQAList();
d4733690	169
d4733690	170	fList1 = new TList();
5429dd65	171	fList1 = fProtonQAAnalysis->GetPDGList();
d4733690	172
d4733690	173	fList2 = new TList();
5429dd65	174	fList2 = fProtonQAAnalysis->GetMCProcessesList();
5b8133c7	175
5b8133c7	176	fList3 = new TList();
5429dd65	177	fList3 = fProtonQAAnalysis->GetAcceptedCutList();
5b8133c7	178
5b8133c7	179	fList4 = new TList();
5429dd65	180	fList4 = fProtonQAAnalysis->GetAcceptedDCAList();
9c0b9f24	181
9c0b9f24	182	fList5 = new TList();
5429dd65	183	fList5 = fProtonQAAnalysis->GetEfficiencyQAList();
7b59a00b	184	}
	185
	186	//________________________________________________________________________
	187	void AliAnalysisTaskProtonsQA::Exec(Option_t *) {
	188	// Main loop
	189	// Called for each event
	190
	191	if (!fESD) {
	192	Printf("ERROR: fESD not available");
	193	return;
	194	}
5429dd65	195
7b59a00b	196	if (!fMC) {
	197	Printf("ERROR: Could not retrieve MC event");
	198	return;
	199	}
	200
	201	AliStack* stack = fMC->Stack();
	202	if (!stack) {
	203	Printf("ERROR: Could not retrieve the stack");
	204	return;
	205	}
	206
5429dd65	207	if(IsEventTriggered(fESD,fTriggerMode)) {
	208	const AliESDVertex *vertex = GetVertex(fESD,fProtonAnalysisMode,
	209	fVxMax,fVyMax,fVzMax);
	210	if(vertex) {
6667f3a7	211	fProtonQAAnalysis->RunQAAnalysis(stack, fESD, vertex);
5429dd65	212	fProtonQAAnalysis->RunMCAnalysis(stack);
6667f3a7	213	fProtonQAAnalysis->RunEfficiencyAnalysis(stack, fESD, vertex);
5429dd65	214	}//accepted vertex
	215	}//triggered event
	216
7b59a00b	217	// Post output data.
d4733690	218	PostData(0, fList0);
	219	PostData(1, fList1);
	220	PostData(2, fList2);
5b8133c7	221	PostData(3, fList3);
5b8133c7	222	PostData(4, fList4);
9c0b9f24	223	PostData(5, fList5);
7b59a00b	224	}
	225
	226	//________________________________________________________________________
	227	void AliAnalysisTaskProtonsQA::Terminate(Option_t *) {
	228	// Draw result to the screen
	229	// Called once at the end of the query
	230
d4733690	231	fList0 = dynamic_cast<TList*> (GetOutputData(0));
d4733690	232	if (!fList0) {
5429dd65	233	Printf("ERROR: fList0 not available");
	234	return;
	235	}
	236	fList1 = dynamic_cast<TList*> (GetOutputData(1));
	237	if (!fList1) {
	238	Printf("ERROR: fList1 not available");
	239	return;
	240	}
	241	fList2 = dynamic_cast<TList*> (GetOutputData(2));
	242	if (!fList2) {
	243	Printf("ERROR: fList2 not available");
	244	return;
	245	}
	246	fList3 = dynamic_cast<TList*> (GetOutputData(3));
	247	if (!fList3) {
	248	Printf("ERROR: fList3 not available");
	249	return;
	250	}
	251	fList4 = dynamic_cast<TList*> (GetOutputData(4));
	252	if (!fList4) {
	253	Printf("ERROR: fList4 not available");
7b59a00b	254	return;
7b59a00b	255	}
5429dd65	256	fList5 = dynamic_cast<TList*> (GetOutputData(5));
	257	if (!fList5) {
	258	Printf("ERROR: fList5 not available");
	259	return;
	260	}
	261	}
	262
	263	//________________________________________________________________________
	264	Bool_t AliAnalysisTaskProtonsQA::IsEventTriggered(const AliESDEvent *esd,
	265	TriggerMode trigger) {
	266	// check if the event was triggered
	267	ULong64_t triggerMask = esd->GetTriggerMask();
	268
	269	// definitions from p-p.cfg
	270	ULong64_t spdFO = (1 << 14);
	271	ULong64_t v0left = (1 << 11);
	272	ULong64_t v0right = (1 << 12);
	273
	274	switch (trigger) {
	275	case kMB1: {
	276	if (triggerMask & spdFO \|\| ((triggerMask & v0left) \|\| (triggerMask & v0right)))
	277	return kTRUE;
	278	break;
	279	}
	280	case kMB2: {
	281	if (triggerMask & spdFO && ((triggerMask & v0left) \|\| (triggerMask & v0right)))
	282	return kTRUE;
	283	break;
	284	}
	285	case kSPDFASTOR: {
	286	if (triggerMask & spdFO)
	287	return kTRUE;
	288	break;
	289	}
	290	}//switch
	291
	292	return kFALSE;
7b59a00b	293	}
7b59a00b	294
5429dd65	295	//________________________________________________________________________
	296	const AliESDVertex* AliAnalysisTaskProtonsQA::GetVertex(AliESDEvent* esd,
	297	AnalysisMode mode,
	298	Double_t gVxMax,
	299	Double_t gVyMax,
	300	Double_t gVzMax) {
	301	// Get the vertex from the ESD and returns it if the vertex is valid
	302	// Second argument decides which vertex is used (this selects
	303	// also the quality criteria that are applied)
	304	const AliESDVertex* vertex = 0;
	305	if(mode == kHybrid)
	306	vertex = esd->GetPrimaryVertexSPD();
	307	else if(mode == kTPC){
	308	Double_t kBz = esd->GetMagneticField();
	309	AliVertexerTracks vertexer(kBz);
	310	vertexer.SetTPCMode();
	311	AliESDVertex *vTPC = vertexer.FindPrimaryVertex(esd);
	312	esd->SetPrimaryVertexTPC(vTPC);
	313	for (Int_t i=0; i<esd->GetNumberOfTracks(); i++) {
	314	AliESDtrack *t = esd->GetTrack(i);
	315	t->RelateToVertexTPC(vTPC, kBz, kVeryBig);
	316	}
	317	delete vTPC;
	318	vertex = esd->GetPrimaryVertexTPC();
	319	}
	320	else if(mode == kGlobal)
	321	vertex = esd->GetPrimaryVertex();
	322	else
	323	Printf("GetVertex: ERROR: Invalid second argument %d", mode);
	324
	325	if(!vertex) return 0;
	326
	327	// check Ncontributors
	328	if(vertex->GetNContributors() <= 0) return 0;
	329
	330	// check resolution
	331	Double_t zRes = vertex->GetZRes();
	332	if(zRes == 0) return 0;
	333
	334	//check position
	335	if(TMath::Abs(vertex->GetXv()) > gVxMax) return 0;
	336	if(TMath::Abs(vertex->GetYv()) > gVyMax) return 0;
	337	if(TMath::Abs(vertex->GetZv()) > gVzMax) return 0;
	338
	339	return vertex;
	340	}
	341
	342
	343
7b59a00b	344