[u/mrichter/AliRoot.git] / PWGCF / Correlations / macros / dptdptcorrelations / AddTaskDptDptCorrelations2011.C

//
// Macro designed for use with the AliAnalysisTaskDptDptCorrelations task.
//
// Author: Prabhat Pujahari & Claude Pruneau, Wayne State
// 
//           system:  0: PbPb                 1: pp
//      singlesOnly:  0: full correlations    1: singles only
//       useWeights:  0: no                   1: yes
// centralityMethod:  3: track count  4: V0 centrality
//        chargeSet:  0: ++    1: +-    2: -+    3: --
/////////////////////////////////////////////////////////////////////////////////
AliAnalysisTaskDptDptCorrelations *AddTaskDptDptCorrelations2011(int    system                 = 0,
                                                                 int    singlesOnly            = 0,
                                                                 int    useWeights             = 1,
                                                                 int    centralityMethod       = 4,
                                                                 int    chargeSet              = 1)

{
  // Set Default Configuration of this analysis
  // ==========================================
  int    debugLevel             = 0;
  int    rejectPileup           = 1;
  int    rejectPairConversion   = 1;
  int    sameFilter             = 1;

  
  int    nCentrality;
  double minCentrality[10];
  double maxCentrality[10];

  if (system==0) // PbPb
    {
    if (centralityMethod == 4)
      {

	nCentrality = 6;
        minCentrality[0] = 0.0; maxCentrality[0] = 5.0;
        minCentrality[1] = 5.0; maxCentrality[1] = 10.;
	minCentrality[2] = 30.; maxCentrality[2] = 40.;
        minCentrality[3] = 40.; maxCentrality[3] = 50.;
        minCentrality[4] = 70.; maxCentrality[4] = 80.;
        minCentrality[5] = 80.; maxCentrality[5] = 90.;
	/*
	  nCentrality = 10;
	  minCentrality[0] = 0.0; maxCentrality[0] = 5.0;
	  minCentrality[1] = 5.0; maxCentrality[1] = 10.;
	  minCentrality[2] = 10.; maxCentrality[2] = 20.;
	  minCentrality[3] = 20.; maxCentrality[3] = 30.;
	  minCentrality[4] = 30.; maxCentrality[4] = 40.;
	  minCentrality[5] = 40.; maxCentrality[5] = 50.;
	  minCentrality[6] = 50.; maxCentrality[6] = 60.;
	  minCentrality[7] = 60.; maxCentrality[7] = 70.;
	  minCentrality[8] = 70.; maxCentrality[8] = 80.;
	  minCentrality[9] = 80.; maxCentrality[9] = 90.;
	*/
      }
    else
      {
	//cout << "-F- AddTaskDptDptCorrelations() system:" << system << ". centralityMethod:" << centralityMethod << " Option NOT AVAILABLE. ABORT."
      return 0;
      }
    }
  else if (system==1) // pp
    {
    if (centralityMethod == 3)
      {
      nCentrality = 4;
      minCentrality[0] = 2;   maxCentrality[0] = 100.0;
      minCentrality[1] = 2;   maxCentrality[1] = 20.;
      minCentrality[2] = 20.; maxCentrality[2] = 50.;
      minCentrality[3] = 50.; maxCentrality[3] = 100.;
      }
    else
      {
	//cout << "-F- AddTaskDptDptCorrelations() system:" << system << ". centralityMethod:" << centralityMethod << " Option NOT AVAILABLE. ABORT."
      return 0;
      }
    }
  else
    {
      //cout << "-F- AddTaskDptDptCorrelations() system:" << system << ". Option NOT CURRENTLY AVAILABLE. ABORT."
    return 0;
    }

  double zMin                   = -10.;
  double zMax                   =  10.;
  double ptMin                  =  0.2;
  double ptMax                  =  2.0;
  double etaMin                 = -1.0;
  double etaMax                 =  1.0;
  double dcaZMin                = -3.0;
  double dcaZMax                =  3.0;
  double dcaXYMin               = -2.4;
  double dcaXYMax               =  2.4;
  double dedxMin                =  0.0;
  double dedxMax                =  20000.0;
  int    nClusterMin            =   70;
  int    trackFilterBit         =  128;
  
  int    requestedCharge1       =  1; //default
  int    requestedCharge2       = -1; //default
  
  
  // Get the pointer to the existing analysis manager via the static access method.
  // ==============================================================================
  AliAnalysisManager *analysisManager = AliAnalysisManager::GetAnalysisManager();
  
  if (!analysisManager) 
    {
    ::Error("AddTaskDptDptCorrelations", "No analysis manager to connect to.");
    return NULL;
    }  
  
  TString part1Name;
  TString part2Name;
  TString eventName;
  TString prefixName        = "Corr_";
  TString pileupRejecSuffix = "_PileupRejec";
  TString pairRejecSuffix   = "_PairRejec";
  TString calibSuffix       = "_calib";
  TString singlesOnlySuffix = "_SO";
  TString suffix;
  
  TString inputPath         = ".";
  TString outputPath        = ".";
  TString baseName;
  TString listName;
  TString taskName;
  TString inputHistogramFileName;
  TString outputHistogramFileName;
  
  // Create the task and add subtask.
  // ===========================================================================
  int iTask = 0; // task counter
  AliAnalysisDataContainer *taskInputContainer;
  AliAnalysisDataContainer *taskOutputContainer;
  AliAnalysisTaskDptDptCorrelations* task;
  
  for (int iCentrality=0; iCentrality < nCentrality; ++iCentrality)
    {
      switch (chargeSet)
        {
          case 0: part1Name = "P_"; part2Name = "P_"; requestedCharge1 =  1; requestedCharge2 =  1; sameFilter = 1; break;
          case 1: part1Name = "P_"; part2Name = "M_"; requestedCharge1 =  1; requestedCharge2 = -1; sameFilter = 0;   break;
          case 2: part1Name = "M_"; part2Name = "P_"; requestedCharge1 = -1; requestedCharge2 =  1; sameFilter = 0;   break;
          case 3: part1Name = "M_"; part2Name = "M_"; requestedCharge1 = -1; requestedCharge2 = -1; sameFilter = 1;   break;
        }
      //part1Name += int(1000*etaMin);
      part1Name += "eta";
      part1Name += int(1000*etaMax);
      part1Name += "_";
      part1Name += int(1000*ptMin);
      part1Name += "pt";
      part1Name += int(1000*ptMax);
      part1Name += "_";
      //part2Name += int(1000*etaMin);
      part2Name += "eta";
      part2Name += int(1000*etaMax);
      part2Name += "_";
      part2Name += int(1000*ptMin);
      part2Name += "pt";
      part2Name += int(1000*ptMax);
      part2Name += "_";
      eventName =  "";
      eventName += int(10.*minCentrality[iCentrality] );
      eventName += "Vo";
      eventName += int(10.*maxCentrality[iCentrality] );
      //eventName += "_";
      //eventName += int(10*zMin ); 
      //eventName += "Z";
      //eventName += int(10*zMax ); 
      //if (rejectPileup)         eventName += pileupRejecSuffix;
      //if (rejectPairConversion) eventName += pairRejecSuffix;
      baseName     =   prefixName;
      baseName     +=  part1Name;
      baseName     +=  part2Name;
      baseName     +=  eventName;
      listName     =   baseName;
      taskName     =   baseName;

      //inputHistogramFileName =  "/Users/prabhat/Archive/calib/PbPb276Calibration_PP_2010.root";
      inputHistogramFileName =  "alien:///alice/cern.ch/user/p/prabhat/CalibFiles/PbPb276Calibration_2011.root";

      outputHistogramFileName = baseName;
      if (singlesOnly) outputHistogramFileName += singlesOnlySuffix;
      outputHistogramFileName += ".root";
      
      /*cout << "============================================================" << endl;
    cout << "                   iTask: " << iTask << endl;
      cout << "               Task Name: " << taskName << endl;
      cout << "               List Name: " << listName << endl;
      cout << "  inputHistogramFileName: " << inputHistogramFileName  << endl;
      cout << " outputHistogramFileName: " << outputHistogramFileName << endl;
      cout << "                  system: " << system << endl;
      cout << "             singlesOnly: " << singlesOnly << endl;
      cout << "           using weights: " << useWeights << endl;
      cout << "        centralityMethod: " << centralityMethod << endl;
      cout << "               chargeSet: " << chargeSet    << endl;
      cout << "              debugLevel: " << debugLevel   << endl;
      cout << "            rejectPileup: " << rejectPileup << endl;
      cout << "    rejectPairConversion: " << rejectPairConversion  << endl;
      cout << "              sameFilter: " << sameFilter  << endl;
      cout << "                    zMin: " << zMin        << endl;
      cout << "                    zMax: " << zMax        << endl;
      cout << "                   ptMin: " << ptMin       << endl;
      cout << "                   ptMax: " << ptMax       << endl;
      cout << "                  etaMin: " << etaMin   << endl;
      cout << "                  etaMax: " << etaMax   << endl;
      cout << "                 dcaZMin: " << dcaZMin  << endl;
      cout << "                 dcaZMax: " << dcaZMax  << endl;
      cout << "                dcaXYMin: " << dcaXYMin << endl;
      cout << "                dcaXYMax: " << dcaXYMax << endl;
      cout << "                 dedxMin: " << dedxMin  << endl;
      cout << "                 dedxMax: " << dedxMax  << endl;
      cout << "             nClusterMin: " << nClusterMin      << endl;
      cout << "          trackFilterBit: " << trackFilterBit   << endl;
      cout << "        requestedCharge1: " << requestedCharge1 << endl;
      cout << "        requestedCharge2: " << requestedCharge2 << endl;
    cout << "============================================================" << endl;
      */

    TFile  * inputFile  = 0;
      TList  * histoList  = 0;
      TH3F   * weight_1   = 0;
      TH3F   * weight_2   = 0;
      if (useWeights)
        {
        TGrid::Connect("alien:");
        inputFile = TFile::Open(inputHistogramFileName,"OLD");
        if (!inputFile)
          {
	    //cout << "Requested file:" << inputHistogramFileName << " was not opened. ABORT." << endl;
          return;
          }
        TString nameHistoBase = "correction_";
        TString nameHisto;
        nameHistoBase += eventName;
        if (requestedCharge1 == 1)
          {
          nameHisto = nameHistoBase + "_p";
          //cout << "Input Histogram named: " << nameHisto << endl;
          weight_1 = (TH3F *) inputFile->Get(nameHisto);
          }
        else
          {
          nameHisto = nameHistoBase + "_m";
          //cout << "Input Histogram named: " << nameHisto << endl;
          weight_1 = (TH3F *) inputFile->Get(nameHisto);
          }
        if (!weight_1) 
          {
	    //cout << "Requested histogram 'correction_p/m' was not found. ABORT." << endl;
          return 0;
          }
        
        if (!sameFilter)
          {
          weight_2 = 0;
          if (requestedCharge2 == 1)
            {
            nameHisto = nameHistoBase + "_p";
            //cout << "Input Histogram named: " << nameHisto << endl;
            weight_2 = (TH3F *) inputFile->Get(nameHisto);
            }
          else
            {
            nameHisto = nameHistoBase + "_m";
            //cout << "Input Histogram named: " << nameHisto << endl;
            weight_2 = (TH3F *) inputFile->Get(nameHisto);
            }
          if (!weight_2) 
            {
	      //cout << "Requested histogram 'correction_p/m' was not found. ABORT." << endl;
            return 0;
            }
          }  
        }
      task = new  AliAnalysisTaskDptDptCorrelations(taskName);
      //configure my task
      task->SetDebugLevel(          debugLevel      ); 
      task->SetSameFilter(          sameFilter      );
      task->SetSinglesOnly(         singlesOnly     ); 
      task->SetUseWeights(          useWeights      ); 
      task->SetRejectPileup(        rejectPileup    ); 
      task->SetRejectPairConversion(rejectPairConversion); 
      task->SetVertexZMin(          zMin            ); 
      task->SetVertexZMax(          zMax            ); 
      task->SetVertexXYMin(         -1.            ); 
      task->SetVertexXYMax(          1.            ); 
      task->SetCentralityMethod(    centralityMethod);
      task->SetCentrality(          minCentrality[iCentrality], maxCentrality[iCentrality]);
      task->SetPtMin1(              ptMin           ); 
      task->SetPtMax1(              ptMax           ); 
      task->SetEtaMin1(             etaMin          ); 
      task->SetEtaMax1(             etaMax          ); 
      task->SetPtMin2(              ptMin           ); 
      task->SetPtMax2(              ptMax           ); 
      task->SetEtaMin2(             etaMin          ); 
      task->SetEtaMax2(             etaMax          ); 
      task->SetDcaZMin(             dcaZMin         ); 
      task->SetDcaZMax(             dcaZMax         ); 
      task->SetDcaXYMin(            dcaXYMin        ); 
      task->SetDcaXYMax(            dcaXYMax        ); 
      task->SetDedxMin(             dedxMin         ); 
      task->SetDedxMax(             dedxMax         ); 
      task->SetNClusterMin(         nClusterMin     ); 
      task->SetTrackFilterBit(      trackFilterBit  );
      task->SetRequestedCharge_1(   requestedCharge1); 
      task->SetRequestedCharge_2(   requestedCharge2); 
      task->SetWeigth_1(            weight_1        );
      task->SetWeigth_2(            weight_2        );
      
      
      //cout << "Creating task output container" << endl;
      taskOutputContainer = analysisManager->CreateContainer(listName, 
                                                             TList::Class(),    
                                                             AliAnalysisManager::kOutputContainer, 
                                                             Form("%s:Histos", AliAnalysisManager::GetCommonFileName()));
      //cout << "Add task to analysis manager and connect it to input and output containers" << endl;
      analysisManager->AddTask(task);
      analysisManager->ConnectInput( task,  0, analysisManager->GetCommonInputContainer());
      analysisManager->ConnectOutput(task,  0, taskOutputContainer );
      //cout << "Task added ...." << endl;
      
      iTask++;
    
    }
  
  
  
  return task;
}
Commit	Line	Data
1cb2a06e	1	//
	2	// Macro designed for use with the AliAnalysisTaskDptDptCorrelations task.
	3	//
	4	// Author: Prabhat Pujahari & Claude Pruneau, Wayne State
	5	//
	6	// system: 0: PbPb 1: pp
	7	// singlesOnly: 0: full correlations 1: singles only
	8	// useWeights: 0: no 1: yes
	9	// centralityMethod: 3: track count 4: V0 centrality
	10	// chargeSet: 0: ++ 1: +- 2: -+ 3: --
	11	/////////////////////////////////////////////////////////////////////////////////
	12	AliAnalysisTaskDptDptCorrelations *AddTaskDptDptCorrelations2011(int system = 0,
	13	int singlesOnly = 0,
	14	int useWeights = 1,
	15	int centralityMethod = 4,
	16	int chargeSet = 1)
	17
	18	{
	19	// Set Default Configuration of this analysis
	20	// ==========================================
	21	int debugLevel = 0;
	22	int rejectPileup = 1;
	23	int rejectPairConversion = 1;
	24	int sameFilter = 1;
	25
	26
	27	int nCentrality;
	28	double minCentrality[10];
	29	double maxCentrality[10];
	30
	31	if (system==0) // PbPb
	32	{
	33	if (centralityMethod == 4)
	34	{
	35
	36	nCentrality = 6;
	37	minCentrality[0] = 0.0; maxCentrality[0] = 5.0;
	38	minCentrality[1] = 5.0; maxCentrality[1] = 10.;
	39	minCentrality[2] = 30.; maxCentrality[2] = 40.;
	40	minCentrality[3] = 40.; maxCentrality[3] = 50.;
	41	minCentrality[4] = 70.; maxCentrality[4] = 80.;
	42	minCentrality[5] = 80.; maxCentrality[5] = 90.;
	43	/*
	44	nCentrality = 10;
	45	minCentrality[0] = 0.0; maxCentrality[0] = 5.0;
	46	minCentrality[1] = 5.0; maxCentrality[1] = 10.;
	47	minCentrality[2] = 10.; maxCentrality[2] = 20.;
	48	minCentrality[3] = 20.; maxCentrality[3] = 30.;
	49	minCentrality[4] = 30.; maxCentrality[4] = 40.;
	50	minCentrality[5] = 40.; maxCentrality[5] = 50.;
	51	minCentrality[6] = 50.; maxCentrality[6] = 60.;
	52	minCentrality[7] = 60.; maxCentrality[7] = 70.;
	53	minCentrality[8] = 70.; maxCentrality[8] = 80.;
	54	minCentrality[9] = 80.; maxCentrality[9] = 90.;
	55	*/
	56	}
	57	else
	58	{
	59	//cout << "-F- AddTaskDptDptCorrelations() system:" << system << ". centralityMethod:" << centralityMethod << " Option NOT AVAILABLE. ABORT."
	60	return 0;
	61	}
	62	}
	63	else if (system==1) // pp
	64	{
65	if (centralityMethod == 3)
66	{
67	nCentrality = 4;
68	minCentrality[0] = 2; maxCentrality[0] = 100.0;
69	minCentrality[1] = 2; maxCentrality[1] = 20.;
70	minCentrality[2] = 20.; maxCentrality[2] = 50.;
71	minCentrality[3] = 50.; maxCentrality[3] = 100.;
72	}
73	else
74	{
75	//cout << "-F- AddTaskDptDptCorrelations() system:" << system << ". centralityMethod:" << centralityMethod << " Option NOT AVAILABLE. ABORT."
76	return 0;
77	}
78	}
79	else
80	{
81	//cout << "-F- AddTaskDptDptCorrelations() system:" << system << ". Option NOT CURRENTLY AVAILABLE. ABORT."
82	return 0;
83	}
84
85	double zMin = -10.;
86	double zMax = 10.;
87	double ptMin = 0.2;
88	double ptMax = 2.0;
89	double etaMin = -1.0;
90	double etaMax = 1.0;
91	double dcaZMin = -3.0;
92	double dcaZMax = 3.0;
93	double dcaXYMin = -2.4;
94	double dcaXYMax = 2.4;
95	double dedxMin = 0.0;
96	double dedxMax = 20000.0;
97	int nClusterMin = 70;
98	int trackFilterBit = 128;
99
100	int requestedCharge1 = 1; //default
101	int requestedCharge2 = -1; //default
102
103
104	// Get the pointer to the existing analysis manager via the static access method.
105	// ==============================================================================
106	AliAnalysisManager *analysisManager = AliAnalysisManager::GetAnalysisManager();
107
108	if (!analysisManager)
109	{
110	::Error("AddTaskDptDptCorrelations", "No analysis manager to connect to.");
111	return NULL;
112	}
113
114	TString part1Name;
115	TString part2Name;
116	TString eventName;
117	TString prefixName = "Corr_";
118	TString pileupRejecSuffix = "_PileupRejec";
119	TString pairRejecSuffix = "_PairRejec";
120	TString calibSuffix = "_calib";
121	TString singlesOnlySuffix = "_SO";
122	TString suffix;
123
124	TString inputPath = ".";
125	TString outputPath = ".";
126	TString baseName;
127	TString listName;
128	TString taskName;
129	TString inputHistogramFileName;
130	TString outputHistogramFileName;
131
132	// Create the task and add subtask.
133	// ===========================================================================
134	int iTask = 0; // task counter
135	AliAnalysisDataContainer *taskInputContainer;
136	AliAnalysisDataContainer *taskOutputContainer;
137	AliAnalysisTaskDptDptCorrelations* task;
138
139	for (int iCentrality=0; iCentrality < nCentrality; ++iCentrality)
140	{
141	switch (chargeSet)
142	{
143	case 0: part1Name = "P_"; part2Name = "P_"; requestedCharge1 = 1; requestedCharge2 = 1; sameFilter = 1; break;
144	case 1: part1Name = "P_"; part2Name = "M_"; requestedCharge1 = 1; requestedCharge2 = -1; sameFilter = 0; break;
145	case 2: part1Name = "M_"; part2Name = "P_"; requestedCharge1 = -1; requestedCharge2 = 1; sameFilter = 0; break;
146	case 3: part1Name = "M_"; part2Name = "M_"; requestedCharge1 = -1; requestedCharge2 = -1; sameFilter = 1; break;
147	}
148	//part1Name += int(1000*etaMin);
149	part1Name += "eta";
150	part1Name += int(1000*etaMax);
151	part1Name += "_";
152	part1Name += int(1000*ptMin);
153	part1Name += "pt";
154	part1Name += int(1000*ptMax);
155	part1Name += "_";
156	//part2Name += int(1000*etaMin);
157	part2Name += "eta";
158	part2Name += int(1000*etaMax);
159	part2Name += "_";
160	part2Name += int(1000*ptMin);
161	part2Name += "pt";
162	part2Name += int(1000*ptMax);
163	part2Name += "_";
164	eventName = "";
165	eventName += int(10.*minCentrality[iCentrality] );
166	eventName += "Vo";
167	eventName += int(10.*maxCentrality[iCentrality] );
168	//eventName += "_";
169	//eventName += int(10*zMin );
170	//eventName += "Z";
171	//eventName += int(10*zMax );
172	//if (rejectPileup) eventName += pileupRejecSuffix;
173	//if (rejectPairConversion) eventName += pairRejecSuffix;
174	baseName = prefixName;
175	baseName += part1Name;
176	baseName += part2Name;
177	baseName += eventName;
178	listName = baseName;
179	taskName = baseName;
180
181	//inputHistogramFileName = "/Users/prabhat/Archive/calib/PbPb276Calibration_PP_2010.root";
182	inputHistogramFileName = "alien:///alice/cern.ch/user/p/prabhat/CalibFiles/PbPb276Calibration_2011.root";
183
184	outputHistogramFileName = baseName;
185	if (singlesOnly) outputHistogramFileName += singlesOnlySuffix;
186	outputHistogramFileName += ".root";
187
188	/*cout << "============================================================" << endl;
189	cout << " iTask: " << iTask << endl;
190	cout << " Task Name: " << taskName << endl;
191	cout << " List Name: " << listName << endl;
192	cout << " inputHistogramFileName: " << inputHistogramFileName << endl;
193	cout << " outputHistogramFileName: " << outputHistogramFileName << endl;
194	cout << " system: " << system << endl;
195	cout << " singlesOnly: " << singlesOnly << endl;
196	cout << " using weights: " << useWeights << endl;
197	cout << " centralityMethod: " << centralityMethod << endl;
198	cout << " chargeSet: " << chargeSet << endl;
199	cout << " debugLevel: " << debugLevel << endl;
200	cout << " rejectPileup: " << rejectPileup << endl;
201	cout << " rejectPairConversion: " << rejectPairConversion << endl;
202	cout << " sameFilter: " << sameFilter << endl;
203	cout << " zMin: " << zMin << endl;
204	cout << " zMax: " << zMax << endl;
205	cout << " ptMin: " << ptMin << endl;
206	cout << " ptMax: " << ptMax << endl;
207	cout << " etaMin: " << etaMin << endl;
208	cout << " etaMax: " << etaMax << endl;
209	cout << " dcaZMin: " << dcaZMin << endl;
210	cout << " dcaZMax: " << dcaZMax << endl;
211	cout << " dcaXYMin: " << dcaXYMin << endl;
212	cout << " dcaXYMax: " << dcaXYMax << endl;
213	cout << " dedxMin: " << dedxMin << endl;
214	cout << " dedxMax: " << dedxMax << endl;
215	cout << " nClusterMin: " << nClusterMin << endl;
216	cout << " trackFilterBit: " << trackFilterBit << endl;
217	cout << " requestedCharge1: " << requestedCharge1 << endl;
218	cout << " requestedCharge2: " << requestedCharge2 << endl;
219	cout << "============================================================" << endl;
220	*/
221
222	TFile * inputFile = 0;
223	TList * histoList = 0;
224	TH3F * weight_1 = 0;
225	TH3F * weight_2 = 0;
226	if (useWeights)
227	{
228	TGrid::Connect("alien:");
229	inputFile = TFile::Open(inputHistogramFileName,"OLD");
230	if (!inputFile)
231	{
232	//cout << "Requested file:" << inputHistogramFileName << " was not opened. ABORT." << endl;
233	return;
234	}
235	TString nameHistoBase = "correction_";
236	TString nameHisto;
237	nameHistoBase += eventName;
238	if (requestedCharge1 == 1)
239	{
240	nameHisto = nameHistoBase + "_p";
241	//cout << "Input Histogram named: " << nameHisto << endl;
242	weight_1 = (TH3F *) inputFile->Get(nameHisto);
243	}
244	else
245	{
246	nameHisto = nameHistoBase + "_m";
247	//cout << "Input Histogram named: " << nameHisto << endl;
248	weight_1 = (TH3F *) inputFile->Get(nameHisto);
249	}
250	if (!weight_1)
251	{
252	//cout << "Requested histogram 'correction_p/m' was not found. ABORT." << endl;
253	return 0;
254	}
255
256	if (!sameFilter)
257	{
258	weight_2 = 0;
259	if (requestedCharge2 == 1)
260	{
261	nameHisto = nameHistoBase + "_p";
262	//cout << "Input Histogram named: " << nameHisto << endl;
263	weight_2 = (TH3F *) inputFile->Get(nameHisto);
264	}
265	else
266	{
267	nameHisto = nameHistoBase + "_m";
268	//cout << "Input Histogram named: " << nameHisto << endl;
269	weight_2 = (TH3F *) inputFile->Get(nameHisto);
270	}
271	if (!weight_2)
272	{
273	//cout << "Requested histogram 'correction_p/m' was not found. ABORT." << endl;
274	return 0;
275	}
276	}
277	}
278	task = new AliAnalysisTaskDptDptCorrelations(taskName);
279	//configure my task
280	task->SetDebugLevel( debugLevel );
281	task->SetSameFilter( sameFilter );
282	task->SetSinglesOnly( singlesOnly );
283	task->SetUseWeights( useWeights );
284	task->SetRejectPileup( rejectPileup );
285	task->SetRejectPairConversion(rejectPairConversion);
286	task->SetVertexZMin( zMin );
287	task->SetVertexZMax( zMax );
288	task->SetVertexXYMin( -1. );
289	task->SetVertexXYMax( 1. );
290	task->SetCentralityMethod( centralityMethod);
291	task->SetCentrality( minCentrality[iCentrality], maxCentrality[iCentrality]);
292	task->SetPtMin1( ptMin );
293	task->SetPtMax1( ptMax );
294	task->SetEtaMin1( etaMin );
295	task->SetEtaMax1( etaMax );
296	task->SetPtMin2( ptMin );
297	task->SetPtMax2( ptMax );
298	task->SetEtaMin2( etaMin );
299	task->SetEtaMax2( etaMax );
300	task->SetDcaZMin( dcaZMin );
301	task->SetDcaZMax( dcaZMax );
302	task->SetDcaXYMin( dcaXYMin );
303	task->SetDcaXYMax( dcaXYMax );
304	task->SetDedxMin( dedxMin );
305	task->SetDedxMax( dedxMax );
306	task->SetNClusterMin( nClusterMin );
307	task->SetTrackFilterBit( trackFilterBit );
308	task->SetRequestedCharge_1( requestedCharge1);
309	task->SetRequestedCharge_2( requestedCharge2);
310	task->SetWeigth_1( weight_1 );
311	task->SetWeigth_2( weight_2 );
312
313
314	//cout << "Creating task output container" << endl;
315	taskOutputContainer = analysisManager->CreateContainer(listName,
316	TList::Class(),
317	AliAnalysisManager::kOutputContainer,
318	Form("%s:Histos", AliAnalysisManager::GetCommonFileName()));
319	//cout << "Add task to analysis manager and connect it to input and output containers" << endl;
320	analysisManager->AddTask(task);
321	analysisManager->ConnectInput( task, 0, analysisManager->GetCommonInputContainer());
322	analysisManager->ConnectOutput(task, 0, taskOutputContainer );
323	//cout << "Task added ...." << endl;
324
325	iTask++;
326
327	}
328
329
330
331	return task;
332	}