[u/mrichter/AliRoot.git] / PWGHF / hfe / AliHFEextraEventCuts.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.                  *
 **************************************************************************/
// Cut on the Event at reconstructed level: for the moment 
// the requirements on the number of charged tracks and on 
// the vertex position and resolution are implemented
// The argument of IsSelected member function (passed object) is cast into 
// an AliESDEvent. In the future may be modified to use AliVEvent interface
// and include more cut variables.
// The class derives from AliCFCutBase
// Author:S.Arcelli Silvia.Arcelli@cern.ch
//
//
#include "TH1F.h"
#include "TList.h"
#include "TBits.h"
#include "AliLog.h"
#include "AliESDEvent.h"
#include "AliESDVertex.h"
#include "AliAODEvent.h"
#include "AliAODVertex.h"
#include "AliHFEextraEventCuts.h"
ClassImp(AliHFEextraEventCuts) 
//____________________________________________________________________
AliHFEextraEventCuts::AliHFEextraEventCuts() : 
  AliCFCutBase(),
  fRequireVtxCuts(kFALSE),
  fVtxZMax(1.e99),
  fVtxZMin(-1.e99),
  fVtxNCtrbMin(0),
  fVtxMixed(0),
  fVtxSPD(0),
  fCheckCorrelationSPDVtx(0),
  fVtxResolution(kFALSE),
  fBitMap(0x0)
{
  //
  //ctor
  //
}

//____________________________________________________________________
AliHFEextraEventCuts::AliHFEextraEventCuts(Char_t* name, Char_t* title) : 
  AliCFCutBase(name,title),
  fRequireVtxCuts(kFALSE),
  fVtxZMax(1.e99),
  fVtxZMin(-1.e99),
  fVtxNCtrbMin(0),
  fVtxMixed(0),
  fVtxSPD(0),
  fCheckCorrelationSPDVtx(0),
  fVtxResolution(kFALSE),
  fBitMap(0x0)
 {
  //
  //ctor
  //
  fBitMap=new TBits(0);
  Initialise();
 }

//____________________________________________________________________
AliHFEextraEventCuts::AliHFEextraEventCuts(const AliHFEextraEventCuts& c) : 
  AliCFCutBase(c),
  fRequireVtxCuts(c.fRequireVtxCuts),
  fVtxZMax(c.fVtxZMax),
  fVtxZMin(c.fVtxZMin),
  fVtxNCtrbMin(c.fVtxNCtrbMin),
  fVtxMixed(c.fVtxMixed),
  fVtxSPD(c.fVtxSPD),
  fCheckCorrelationSPDVtx(c.fCheckCorrelationSPDVtx),
  fVtxResolution(c.fVtxResolution),
  fBitMap(c.fBitMap)
{
  //
  //copy constructor
  //
  for (Int_t i=0; i<c.kNCuts; i++){
    for (Int_t j=0; j<c.kNStepQA; j++){
      if(c.fhQA[i][j]) fhQA[i][j] = (TH1F*)c.fhQA[i][j]->Clone();
    }
  }

}

//____________________________________________________________________
AliHFEextraEventCuts::~AliHFEextraEventCuts() {
  //
  //dtor
  //

  for (Int_t i=0; i<kNCuts; i++){
    for (Int_t j=0; j<kNStepQA; j++){
      if(fhQA[i][j]) delete fhQA[i][j];
    }
  }

  if(fBitMap)delete fBitMap;

}
//_____________________________________________________________________________
void AliHFEextraEventCuts::Initialise()
{

  //
  //initialization
  //

  //
  // sets pointers to histos to zero
  //

  for(Int_t i=0; i<kNCuts; i++){
    for(Int_t j =0; j<kNStepQA; j++){
      fhQA[i][j]=0x0;
    }
  }
}

//____________________________________________________________________
AliHFEextraEventCuts& AliHFEextraEventCuts::operator=(const AliHFEextraEventCuts& c)
{
  //
  // Assignment operator
  //
  if (this != &c) {
    AliCFCutBase::operator=(c) ;
    fRequireVtxCuts=c.fRequireVtxCuts;
    fVtxZMax=c.fVtxZMax;
    fVtxZMin=c.fVtxZMin;
    fVtxNCtrbMin=c.fVtxNCtrbMin;
    fVtxMixed=c.fVtxMixed;
    fVtxSPD=c.fVtxSPD;
    fCheckCorrelationSPDVtx=c.fCheckCorrelationSPDVtx;
    fVtxResolution = c.fVtxResolution;
    fBitMap=c.fBitMap;
  }

  for (Int_t i=0; i<c.kNCuts; i++){
    for (Int_t j=0; j<c.kNStepQA; j++){
      if(c.fhQA[i][j]) fhQA[i][j] = (TH1F*)c.fhQA[i][j]->Clone();
    }
  }


  return *this ;
}

//____________________________________________________________________
Bool_t AliHFEextraEventCuts::IsSelected(TObject* obj) {
  //
  //Check if the requested cuts are passed
  //


  SelectionBitMap(obj);

  if (fIsQAOn) FillHistograms(obj,0);
  Bool_t isSelected = kTRUE;

  for (UInt_t icut=0; icut<fBitMap->GetNbits();icut++)
	if(!fBitMap->TestBitNumber(icut)) isSelected = kFALSE;

  if (!isSelected) return kFALSE ;
  if (fIsQAOn) FillHistograms(obj,1);
  return kTRUE;

}
//____________________________________________________________________
void AliHFEextraEventCuts::SelectionBitMap(TObject* obj) {
  //
  //cut on the number of charged tracks and on the event vertex.
  //so far specific to AliESDEvents
  //

  //Check if the requested cuts are passed and return a bitmap

  AliVEvent *inputEvent = dynamic_cast<AliVEvent *>(obj);
  if(!inputEvent){
    AliDebug(1, "Not a virtual event");
    for(Int_t j=0;j<kNCuts;j++)fBitMap->SetBitNumber(j,kFALSE);
    return;
  }
  const AliVVertex *vtxTracks = GetPrimaryVertexTracks(inputEvent),
                   *vtxSPD = GetPrimaryVertexSPD(inputEvent),
                   *vtxPrim(NULL);
  
  //first assume the event will be accepted: 
  for(Int_t j=0;j<kNCuts;j++)fBitMap->SetBitNumber(j,kTRUE);

  if(fVtxMixed){
    // Use mixed vertex: Prefer vertex with tracks, in case not available use SPD vertex
    if(vtxTracks && vtxTracks->GetNContributors() > 0) vtxPrim = vtxTracks;
    else if(vtxSPD && vtxSPD->GetNContributors() > 0) vtxPrim = vtxSPD;
  } else if(fVtxSPD){
    if(vtxSPD && vtxSPD->GetNContributors () > 0) vtxPrim = vtxSPD;
  } else {
    if(vtxTracks && vtxTracks->GetNContributors() > 0) vtxPrim = vtxTracks;
  }
  if(!vtxPrim){
    // No primary vertex: Reject event
	  for(Int_t j=1;j<kNCuts;j++)fBitMap->SetBitNumber(j,kFALSE); 
	  AliWarning("Cannot get vertex, skipping event");
	  return;
  }
  // Check standard vertex cuts using the primary vertex 
  if(fVtxZMin > - 1000. && fVtxZMax < 1000.){
    // Primary vertex z cut required
    // Pick up the position and uncertainties
    Double_t vtxPos[3];
    vtxPos[0] = vtxPrim->GetX();
    vtxPos[1] = vtxPrim->GetY();
    vtxPos[2] = vtxPrim->GetZ();
    if (vtxPos[2]>fVtxZMax || vtxPos[2]<fVtxZMin)
	    fBitMap->SetBitNumber(kVtxPosZ,kFALSE); 
  }
  if(fVtxNCtrbMin > 0){  
    // cut required if the cut value is set to something larger than 0
    // same effect as setting the min. cut value to 0
    Int_t nCtrb = vtxPrim->GetNContributors();
    if (nCtrb<fVtxNCtrbMin)
	    fBitMap->SetBitNumber(kVtxNCtrb,kFALSE);
  }

  // check vertex correlation cut
  if(fCheckCorrelationSPDVtx){
    if(vtxTracks && vtxTracks->GetNContributors() && vtxSPD && vtxSPD->GetNContributors()){
      // Both vertices available, check correlation
      if(TMath::Abs(vtxTracks->GetZ() - vtxSPD->GetZ()) >= 0.5) fBitMap->SetBitNumber(kCorrelation, kFALSE);
    } else {
      // No correlation available: set the cut to false
      fBitMap->SetBitNumber(kCorrelation, kFALSE); 
    }
  }
  // check cut on the SPD vertex resolution
  if(fVtxResolution){
    if(vtxSPD){
      TString vtxTyp = vtxSPD->GetTitle();
      Double_t cov[6]={0};
      vtxSPD->GetCovarianceMatrix(cov);
      Double_t zRes = TMath::Sqrt(cov[5]);
      if (vtxTyp.Contains("vertexer:Z") && (zRes>0.25)) fBitMap->SetBitNumber(kResolution, kFALSE);
    } else{
      fBitMap->SetBitNumber(kResolution, kFALSE);
    }
  }
}

//_____________________________________________________________________________
void AliHFEextraEventCuts::FillHistograms(TObject* obj, Bool_t b)
{
  //
  // fill the QA histograms
  //

  if(!fIsQAOn) return;
  // cast TObject into VEvent
  AliVEvent* inputEvent = dynamic_cast<AliESDEvent *>(obj);
  if (!inputEvent) return;

  // index = 0: fill histograms before cuts
  // index = 1: fill histograms after cuts
  Int_t index = -1;
  index = ((b) ? 1 : 0);

  // Obtain vertices
  const AliVVertex *vtxTracks = GetPrimaryVertexTracks(inputEvent),
                   *vtxSPD = GetPrimaryVertexSPD(inputEvent),
                   *vtxPrim(NULL);

  //look at vertex parameters:
  if(fVtxMixed){
    if(vtxTracks && vtxTracks->GetNContributors() > 0) vtxPrim = vtxTracks;
    else if(vtxSPD && vtxSPD->GetNContributors()) vtxPrim = vtxSPD;
  }
  else {   
    vtxPrim = vtxTracks; 
  }
  if(!vtxPrim)return;
  // vertex position and uncertainties
  fhQA[kVtxPosZ] [index]->Fill(vtxPrim->GetZ());
  fhQA[kVtxNCtrb][index]->Fill(vtxPrim->GetNContributors());
  // SPD Vertex Position Correlation 
  if(vtxTracks && vtxSPD){
    fhQA[kCorrelation][index]->Fill(vtxTracks->GetZ()-vtxSPD->GetZ());
  }
  if(vtxSPD){
    Double_t cov[6]={0};
    vtxSPD->GetCovarianceMatrix(cov);
    fhQA[kResolution][index]->Fill(TMath::Sqrt(cov[5]));
  }
}

//____________________________________________________________________
void AliHFEextraEventCuts::SetHistogramBins(Int_t index, Int_t nbins, Double_t *bins)
{
  //
  //setting x-axis bin limits of QA histogram fhQA[index] 
  // 

  for(Int_t i=0;i<kNStepQA;i++){
    if(!fhQA[index][i]){AliWarning("non-existing histogram!");
    return;
    }
    fhQA[index][i]->GetXaxis()->Set(nbins,bins);
  }
}
//____________________________________________________________________
void AliHFEextraEventCuts::SetHistogramBins(Int_t index, Int_t nbins, Double_t xmin, Double_t xmax)
{
  //
  //setting x-axis bins and range of QA histogram fhQA[index] 
  // 

  for(Int_t i=0;i<kNStepQA;i++){
    if(!fhQA[index][i]){AliWarning("non-existing histogram!");
    return;
    }
    fhQA[index][i]->GetXaxis()->Set(nbins,xmin,xmax);
  }
}

//_____________________________________________________________________________
 void AliHFEextraEventCuts::DefineHistograms() {
  //
  // histograms for cut variables
  //
  Int_t color = 2;

  if(!fIsQAOn) {
    AliInfo(Form("No QA histos requested, Please first set the QA flag on!"));
    return;
  }  
  
  // book QA histograms
  Char_t str[5];
  for (Int_t i=0; i<kNStepQA; i++) {
    if (i==0) snprintf(str,5," ");
    else snprintf(str,5,"_cut");

    fhQA[kVtxPosZ][i]	= new  TH1F(Form("%s_Vtx_Pos_Z%s",GetName(),str),		"",200,-50.,50.);
    fhQA[kVtxNCtrb][i]	= new  TH1F(Form("%s_Vtx_N_Ctrb%s",GetName(),str),		"",1000,0.,1000.);
    fhQA[kCorrelation][i] = new TH1F(Form("%s_SPDCorrelation_%s",GetName(),str), "",200, -10., 10);
    fhQA[kResolution][i] = new TH1F(Form("%s_SPDResolution_%s",GetName(), str), "", 100, 0., 1.); 
 
    fhQA[kVtxPosZ][i]	->SetXTitle("Vertex Position Z (cm)");
    fhQA[kVtxNCtrb][i]	->SetXTitle("Number of contributors");
  }

  for(Int_t i=0; i<kNCuts; i++) fhQA[i][1]->SetLineColor(color);

}

//_____________________________________________________________________________
void AliHFEextraEventCuts::AddQAHistograms(TList *qaList) {
  //
  // saves the histograms in a TList
  //

  DefineHistograms();

  for (Int_t j=0; j<kNStepQA; j++) {
    for(Int_t i=0; i<kNCuts; i++)
	qaList->Add(fhQA[i][j]);
  }
}

//_____________________________________________________________________________
const AliVVertex *AliHFEextraEventCuts::GetPrimaryVertexSPD(const AliVEvent * const inputEvent){
  //
  // Get SPD vertex from event
  //
  const AliVVertex *spdvtx(NULL);
  const AliESDEvent *esd(NULL);
  const AliAODEvent *aod(NULL);
  if((esd = dynamic_cast<const AliESDEvent *>(inputEvent))){
    spdvtx = esd->GetPrimaryVertexSPD();
  } else if((aod = dynamic_cast<const AliAODEvent *>(inputEvent))){
    spdvtx = aod->GetPrimaryVertexSPD();
  }
  return spdvtx;
}

//_____________________________________________________________________________
const AliVVertex *AliHFEextraEventCuts::GetPrimaryVertexTracks(const AliVEvent *const inputEvent){
  // 
  // Get Primary Vertex from tracks
  //
  const AliVVertex *trkvtx(NULL);
  const AliESDEvent *esd(NULL);
  const AliAODEvent *aod(NULL);
  if((esd = dynamic_cast<const AliESDEvent *>(inputEvent))){
    trkvtx = esd->GetPrimaryVertexTracks();
  } else if((aod = dynamic_cast<const AliAODEvent *>(inputEvent))){
    const AliVVertex *vtxTmp = aod->GetPrimaryVertex();
    // check whether the primary vertex is the vertex from tracks
    TString vtxTtl = vtxTmp->GetTitle();
    if(vtxTtl.Contains("VertexerTracks")){
      trkvtx = vtxTmp;
    }
  }
  return trkvtx;
}
Commit	Line	Data
c2690925	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	// Cut on the Event at reconstructed level: for the moment
	16	// the requirements on the number of charged tracks and on
	17	// the vertex position and resolution are implemented
	18	// The argument of IsSelected member function (passed object) is cast into
	19	// an AliESDEvent. In the future may be modified to use AliVEvent interface
	20	// and include more cut variables.
	21	// The class derives from AliCFCutBase
	22	// Author:S.Arcelli Silvia.Arcelli@cern.ch
	23	//
	24	//
	25	#include "TH1F.h"
	26	#include "TList.h"
	27	#include "TBits.h"
	28	#include "AliLog.h"
	29	#include "AliESDEvent.h"
	30	#include "AliESDVertex.h"
11ff28c5	31	#include "AliAODEvent.h"
11ff28c5	32	#include "AliAODVertex.h"
c2690925	33	#include "AliHFEextraEventCuts.h"
	34	ClassImp(AliHFEextraEventCuts)
	35	//____________________________________________________________________
	36	AliHFEextraEventCuts::AliHFEextraEventCuts() :
	37	AliCFCutBase(),
	38	fRequireVtxCuts(kFALSE),
	39	fVtxZMax(1.e99),
	40	fVtxZMin(-1.e99),
	41	fVtxNCtrbMin(0),
	42	fVtxMixed(0),
63bdf450	43	fVtxSPD(0),
63bdf450	44	fCheckCorrelationSPDVtx(0),
d87a9d29	45	fVtxResolution(kFALSE),
c2690925	46	fBitMap(0x0)
	47	{
	48	//
	49	//ctor
	50	//
	51	}
	52
	53	//____________________________________________________________________
	54	AliHFEextraEventCuts::AliHFEextraEventCuts(Char_t* name, Char_t* title) :
	55	AliCFCutBase(name,title),
	56	fRequireVtxCuts(kFALSE),
	57	fVtxZMax(1.e99),
	58	fVtxZMin(-1.e99),
	59	fVtxNCtrbMin(0),
	60	fVtxMixed(0),
63bdf450	61	fVtxSPD(0),
63bdf450	62	fCheckCorrelationSPDVtx(0),
d87a9d29	63	fVtxResolution(kFALSE),
c2690925	64	fBitMap(0x0)
	65	{
	66	//
	67	//ctor
	68	//
	69	fBitMap=new TBits(0);
	70	Initialise();
	71	}
	72
	73	//____________________________________________________________________
	74	AliHFEextraEventCuts::AliHFEextraEventCuts(const AliHFEextraEventCuts& c) :
	75	AliCFCutBase(c),
	76	fRequireVtxCuts(c.fRequireVtxCuts),
	77	fVtxZMax(c.fVtxZMax),
	78	fVtxZMin(c.fVtxZMin),
	79	fVtxNCtrbMin(c.fVtxNCtrbMin),
	80	fVtxMixed(c.fVtxMixed),
63bdf450	81	fVtxSPD(c.fVtxSPD),
63bdf450	82	fCheckCorrelationSPDVtx(c.fCheckCorrelationSPDVtx),
d87a9d29	83	fVtxResolution(c.fVtxResolution),
c2690925	84	fBitMap(c.fBitMap)
	85	{
	86	//
	87	//copy constructor
	88	//
	89	for (Int_t i=0; i<c.kNCuts; i++){
	90	for (Int_t j=0; j<c.kNStepQA; j++){
	91	if(c.fhQA[i][j]) fhQA[i][j] = (TH1F*)c.fhQA[i][j]->Clone();
	92	}
	93	}
	94
	95	}
	96
	97	//____________________________________________________________________
	98	AliHFEextraEventCuts::~AliHFEextraEventCuts() {
	99	//
	100	//dtor
	101	//
	102
	103	for (Int_t i=0; i<kNCuts; i++){
	104	for (Int_t j=0; j<kNStepQA; j++){
	105	if(fhQA[i][j]) delete fhQA[i][j];
	106	}
	107	}
	108
	109	if(fBitMap)delete fBitMap;
	110
	111	}
	112	//_____________________________________________________________________________
	113	void AliHFEextraEventCuts::Initialise()
	114	{
	115
	116	//
	117	//initialization
	118	//
	119
	120	//
	121	// sets pointers to histos to zero
	122	//
	123
	124	for(Int_t i=0; i<kNCuts; i++){
	125	for(Int_t j =0; j<kNStepQA; j++){
	126	fhQA[i][j]=0x0;
	127	}
	128	}
	129	}
	130
	131	//____________________________________________________________________
	132	AliHFEextraEventCuts& AliHFEextraEventCuts::operator=(const AliHFEextraEventCuts& c)
	133	{
	134	//
	135	// Assignment operator
	136	//
	137	if (this != &c) {
	138	AliCFCutBase::operator=(c) ;
	139	fRequireVtxCuts=c.fRequireVtxCuts;
	140	fVtxZMax=c.fVtxZMax;
	141	fVtxZMin=c.fVtxZMin;
	142	fVtxNCtrbMin=c.fVtxNCtrbMin;
	143	fVtxMixed=c.fVtxMixed;
63bdf450	144	fVtxSPD=c.fVtxSPD;
63bdf450	145	fCheckCorrelationSPDVtx=c.fCheckCorrelationSPDVtx;
d87a9d29	146	fVtxResolution = c.fVtxResolution;
c2690925	147	fBitMap=c.fBitMap;
	148	}
	149
	150	for (Int_t i=0; i<c.kNCuts; i++){
	151	for (Int_t j=0; j<c.kNStepQA; j++){
	152	if(c.fhQA[i][j]) fhQA[i][j] = (TH1F*)c.fhQA[i][j]->Clone();
	153	}
	154	}
	155
	156
	157	return *this ;
	158	}
	159
	160	//____________________________________________________________________
	161	Bool_t AliHFEextraEventCuts::IsSelected(TObject* obj) {
	162	//
	163	//Check if the requested cuts are passed
	164	//
	165
	166
	167	SelectionBitMap(obj);
	168
	169	if (fIsQAOn) FillHistograms(obj,0);
	170	Bool_t isSelected = kTRUE;
	171
	172	for (UInt_t icut=0; icut<fBitMap->GetNbits();icut++)
	173	if(!fBitMap->TestBitNumber(icut)) isSelected = kFALSE;
	174
	175	if (!isSelected) return kFALSE ;
	176	if (fIsQAOn) FillHistograms(obj,1);
	177	return kTRUE;
	178
	179	}
	180	//____________________________________________________________________
	181	void AliHFEextraEventCuts::SelectionBitMap(TObject* obj) {
	182	//
	183	//cut on the number of charged tracks and on the event vertex.
	184	//so far specific to AliESDEvents
	185	//
	186
	187	//Check if the requested cuts are passed and return a bitmap
c2690925	188
d87a9d29	189	AliVEvent inputEvent = dynamic_cast<AliVEvent >(obj);
	190	if(!inputEvent){
	191	AliDebug(1, "Not a virtual event");
	192	for(Int_t j=0;j<kNCuts;j++)fBitMap->SetBitNumber(j,kFALSE);
11ff28c5	193	return;
11ff28c5	194	}
d87a9d29	195	const AliVVertex *vtxTracks = GetPrimaryVertexTracks(inputEvent),
	196	*vtxSPD = GetPrimaryVertexSPD(inputEvent),
	197	*vtxPrim(NULL);
11ff28c5	198
d87a9d29	199	//first assume the event will be accepted:
	200	for(Int_t j=0;j<kNCuts;j++)fBitMap->SetBitNumber(j,kTRUE);
	201
	202	if(fVtxMixed){
	203	// Use mixed vertex: Prefer vertex with tracks, in case not available use SPD vertex
	204	if(vtxTracks && vtxTracks->GetNContributors() > 0) vtxPrim = vtxTracks;
	205	else if(vtxSPD && vtxSPD->GetNContributors() > 0) vtxPrim = vtxSPD;
	206	} else if(fVtxSPD){
	207	if(vtxSPD && vtxSPD->GetNContributors () > 0) vtxPrim = vtxSPD;
	208	} else {
	209	if(vtxTracks && vtxTracks->GetNContributors() > 0) vtxPrim = vtxTracks;
	210	}
	211	if(!vtxPrim){
	212	// No primary vertex: Reject event
	213	for(Int_t j=1;j<kNCuts;j++)fBitMap->SetBitNumber(j,kFALSE);
	214	AliWarning("Cannot get vertex, skipping event");
	215	return;
	216	}
	217	// Check standard vertex cuts using the primary vertex
	218	if(fVtxZMin > - 1000. && fVtxZMax < 1000.){
	219	// Primary vertex z cut required
	220	// Pick up the position and uncertainties
	221	Double_t vtxPos[3];
	222	vtxPos[0] = vtxPrim->GetX();
	223	vtxPos[1] = vtxPrim->GetY();
	224	vtxPos[2] = vtxPrim->GetZ();
	225	if (vtxPos[2]>fVtxZMax \|\| vtxPos[2]<fVtxZMin)
	226	fBitMap->SetBitNumber(kVtxPosZ,kFALSE);
	227	}
	228	if(fVtxNCtrbMin > 0){
	229	// cut required if the cut value is set to something larger than 0
	230	// same effect as setting the min. cut value to 0
	231	Int_t nCtrb = vtxPrim->GetNContributors();
	232	if (nCtrb<fVtxNCtrbMin)
	233	fBitMap->SetBitNumber(kVtxNCtrb,kFALSE);
	234	}
	235
	236	// check vertex correlation cut
	237	if(fCheckCorrelationSPDVtx){
	238	if(vtxTracks && vtxTracks->GetNContributors() && vtxSPD && vtxSPD->GetNContributors()){
	239	// Both vertices available, check correlation
	240	if(TMath::Abs(vtxTracks->GetZ() - vtxSPD->GetZ()) >= 0.5) fBitMap->SetBitNumber(kCorrelation, kFALSE);
	241	} else {
	242	// No correlation available: set the cut to false
	243	fBitMap->SetBitNumber(kCorrelation, kFALSE);
	244	}
	245	}
	246	// check cut on the SPD vertex resolution
	247	if(fVtxResolution){
	248	if(vtxSPD){
	249	TString vtxTyp = vtxSPD->GetTitle();
	250	Double_t cov[6]={0};
	251	vtxSPD->GetCovarianceMatrix(cov);
	252	Double_t zRes = TMath::Sqrt(cov[5]);
	253	if (vtxTyp.Contains("vertexer:Z") && (zRes>0.25)) fBitMap->SetBitNumber(kResolution, kFALSE);
	254	} else{
	255	fBitMap->SetBitNumber(kResolution, kFALSE);
	256	}
	257	}
c2690925	258	}
	259
	260	//_____________________________________________________________________________
	261	void AliHFEextraEventCuts::FillHistograms(TObject* obj, Bool_t b)
	262	{
	263	//
	264	// fill the QA histograms
	265	//
	266
	267	if(!fIsQAOn) return;
d87a9d29	268	// cast TObject into VEvent
	269	AliVEvent* inputEvent = dynamic_cast<AliESDEvent *>(obj);
	270	if (!inputEvent) return;
c2690925	271
	272	// index = 0: fill histograms before cuts
	273	// index = 1: fill histograms after cuts
	274	Int_t index = -1;
	275	index = ((b) ? 1 : 0);
	276
d87a9d29	277	// Obtain vertices
	278	const AliVVertex *vtxTracks = GetPrimaryVertexTracks(inputEvent),
	279	*vtxSPD = GetPrimaryVertexSPD(inputEvent),
	280	*vtxPrim(NULL);
c2690925	281
c2690925	282	//look at vertex parameters:
d87a9d29	283	if(fVtxMixed){
808d3d3b	284	if(vtxTracks && vtxTracks->GetNContributors() > 0) vtxPrim = vtxTracks;
808d3d3b	285	else if(vtxSPD && vtxSPD->GetNContributors()) vtxPrim = vtxSPD;
c2690925	286	}
c2690925	287	else {
d87a9d29	288	vtxPrim = vtxTracks;
c2690925	289	}
d87a9d29	290	if(!vtxPrim)return;
c2690925	291	// vertex position and uncertainties
d87a9d29	292	fhQA[kVtxPosZ] [index]->Fill(vtxPrim->GetZ());
	293	fhQA[kVtxNCtrb][index]->Fill(vtxPrim->GetNContributors());
	294	// SPD Vertex Position Correlation
	295	if(vtxTracks && vtxSPD){
	296	fhQA[kCorrelation][index]->Fill(vtxTracks->GetZ()-vtxSPD->GetZ());
	297	}
	298	if(vtxSPD){
	299	Double_t cov[6]={0};
	300	vtxSPD->GetCovarianceMatrix(cov);
	301	fhQA[kResolution][index]->Fill(TMath::Sqrt(cov[5]));
	302	}
c2690925	303	}
	304
	305	//____________________________________________________________________
	306	void AliHFEextraEventCuts::SetHistogramBins(Int_t index, Int_t nbins, Double_t *bins)
	307	{
	308	//
	309	//setting x-axis bin limits of QA histogram fhQA[index]
	310	//
	311
	312	for(Int_t i=0;i<kNStepQA;i++){
	313	if(!fhQA[index][i]){AliWarning("non-existing histogram!");
	314	return;
	315	}
	316	fhQA[index][i]->GetXaxis()->Set(nbins,bins);
	317	}
	318	}
	319	//____________________________________________________________________
	320	void AliHFEextraEventCuts::SetHistogramBins(Int_t index, Int_t nbins, Double_t xmin, Double_t xmax)
	321	{
	322	//
	323	//setting x-axis bins and range of QA histogram fhQA[index]
	324	//
	325
	326	for(Int_t i=0;i<kNStepQA;i++){
	327	if(!fhQA[index][i]){AliWarning("non-existing histogram!");
	328	return;
	329	}
	330	fhQA[index][i]->GetXaxis()->Set(nbins,xmin,xmax);
	331	}
	332	}
	333
	334	//_____________________________________________________________________________
	335	void AliHFEextraEventCuts::DefineHistograms() {
	336	//
	337	// histograms for cut variables
	338	//
	339	Int_t color = 2;
	340
	341	if(!fIsQAOn) {
	342	AliInfo(Form("No QA histos requested, Please first set the QA flag on!"));
	343	return;
	344	}
	345
	346	// book QA histograms
c2690925	347	Char_t str[5];
	348	for (Int_t i=0; i<kNStepQA; i++) {
	349	if (i==0) snprintf(str,5," ");
	350	else snprintf(str,5,"_cut");
	351
	352	fhQA[kVtxPosZ][i] = new TH1F(Form("%s_Vtx_Pos_Z%s",GetName(),str), "",200,-50.,50.);
	353	fhQA[kVtxNCtrb][i] = new TH1F(Form("%s_Vtx_N_Ctrb%s",GetName(),str), "",1000,0.,1000.);
d87a9d29	354	fhQA[kCorrelation][i] = new TH1F(Form("%s_SPDCorrelation_%s",GetName(),str), "",200, -10., 10);
d87a9d29	355	fhQA[kResolution][i] = new TH1F(Form("%s_SPDResolution_%s",GetName(), str), "", 100, 0., 1.);
c2690925	356
	357	fhQA[kVtxPosZ][i] ->SetXTitle("Vertex Position Z (cm)");
	358	fhQA[kVtxNCtrb][i] ->SetXTitle("Number of contributors");
	359	}
	360
	361	for(Int_t i=0; i<kNCuts; i++) fhQA[i][1]->SetLineColor(color);
	362
	363	}
	364
	365	//_____________________________________________________________________________
	366	void AliHFEextraEventCuts::AddQAHistograms(TList *qaList) {
	367	//
	368	// saves the histograms in a TList
	369	//
	370
	371	DefineHistograms();
	372
	373	for (Int_t j=0; j<kNStepQA; j++) {
	374	for(Int_t i=0; i<kNCuts; i++)
	375	qaList->Add(fhQA[i][j]);
	376	}
	377	}
d87a9d29	378
	379	//_____________________________________________________________________________
	380	const AliVVertex AliHFEextraEventCuts::GetPrimaryVertexSPD(const AliVEvent const inputEvent){
	381	//
	382	// Get SPD vertex from event
	383	//
	384	const AliVVertex *spdvtx(NULL);
	385	const AliESDEvent *esd(NULL);
	386	const AliAODEvent *aod(NULL);
	387	if((esd = dynamic_cast<const AliESDEvent *>(inputEvent))){
	388	spdvtx = esd->GetPrimaryVertexSPD();
	389	} else if((aod = dynamic_cast<const AliAODEvent *>(inputEvent))){
	390	spdvtx = aod->GetPrimaryVertexSPD();
	391	}
	392	return spdvtx;
	393	}
	394
	395	//_____________________________________________________________________________
	396	const AliVVertex AliHFEextraEventCuts::GetPrimaryVertexTracks(const AliVEvent const inputEvent){
	397	//
	398	// Get Primary Vertex from tracks
	399	//
	400	const AliVVertex *trkvtx(NULL);
	401	const AliESDEvent *esd(NULL);
	402	const AliAODEvent *aod(NULL);
	403	if((esd = dynamic_cast<const AliESDEvent *>(inputEvent))){
	404	trkvtx = esd->GetPrimaryVertexTracks();
	405	} else if((aod = dynamic_cast<const AliAODEvent *>(inputEvent))){
	406	const AliVVertex *vtxTmp = aod->GetPrimaryVertex();
	407	// check whether the primary vertex is the vertex from tracks
	408	TString vtxTtl = vtxTmp->GetTitle();
	409	if(vtxTtl.Contains("VertexerTracks")){
	410	trkvtx = vtxTmp;
	411	}
	412	}
	413	return trkvtx;
	414	}
	415