[u/mrichter/AliRoot.git] / PWG2 / FORWARD / analysis2 / AliCentralMultiplicityTask.cxx

//====================================================================
// 
// Base class for classes that calculate the multiplicity in the
// central region event-by-event
// 
// Inputs: 
//   - AliESDEvent 
//
// Outputs: 
//   - AliAODCentralMult 
// 
// Histograms 
//   
// Corrections used 
#include "AliCentralMultiplicityTask.h"
#include "AliForwardCorrectionManager.h"
#include "AliForwardUtil.h"
#include "AliLog.h"
#include "AliAODHandler.h"
#include "AliInputEventHandler.h"
#include "AliESDInputHandler.h"
#include "AliAnalysisManager.h"
#include "AliESDEvent.h"
#include "AliMultiplicity.h"
#include "AliFMDEventInspector.h"
#include <TROOT.h>
#include <TFile.h>
#include <TError.h>
#include <iostream>
#include <iomanip>

//====================================================================
AliCentralMultiplicityTask::AliCentralMultiplicityTask(const char* name) 
  : AliAnalysisTaskSE(name),
    fData(0),
    fList(0),
    fAODCentral(kFALSE),
    fManager(),
    fUseSecondary(true),
    fFirstEventSeen(false)
{
  // 
  // Constructor 
  //   
  DefineOutput(1, TList::Class());
}
//____________________________________________________________________
AliCentralMultiplicityTask::AliCentralMultiplicityTask() 
  : AliAnalysisTaskSE(),
    fData(0),
    fList(0),
    fAODCentral(),
    fManager(),
    fUseSecondary(true),
    fFirstEventSeen(false)
{
  // 
  // Constructor 
  // 
}
//____________________________________________________________________
AliCentralMultiplicityTask::AliCentralMultiplicityTask(const AliCentralMultiplicityTask& o)
  : AliAnalysisTaskSE(o),
    fData(o.fData),
    fList(o.fList),
    fAODCentral(o.fAODCentral),
    fManager(o.fManager),
    fUseSecondary(o.fUseSecondary),
    fFirstEventSeen(o.fFirstEventSeen)
{
  //
  // Copy constructor 
  // 
}
//____________________________________________________________________
AliCentralMultiplicityTask&
AliCentralMultiplicityTask::operator=(const AliCentralMultiplicityTask& o)
{
  // 
  // Assignment operator 
  //
  fData          = o.fData;
  fList          = o.fList;
  fAODCentral    = o.fAODCentral;
  fManager       = o.fManager;
  fUseSecondary  = o.fUseSecondary;
  fFirstEventSeen = o.fFirstEventSeen;
  return *this;
}
//____________________________________________________________________
void AliCentralMultiplicityTask::UserCreateOutputObjects() 
{
  // 
  // Create output objects 
  // 
  //

  AliAnalysisManager* am = AliAnalysisManager::GetAnalysisManager();
  AliAODHandler*      ah = 
    dynamic_cast<AliAODHandler*>(am->GetOutputEventHandler());
  if (!ah) AliFatal("No AOD output handler set in analysis manager");
  
  
  TObject* obj = &fAODCentral;
  ah->AddBranch("AliAODCentralMult", &obj);
  
  fList = new TList();
  fList->SetOwner();
  PostData(1,fList);
  
}
//____________________________________________________________________
void AliCentralMultiplicityTask::UserExec(Option_t* /*option*/) 
{
  // 
  // Process each event 
  // 
  // Parameters:
  //    option Not used
  //  
  
  AliESDInputHandler* eventHandler = 
    dynamic_cast<AliESDInputHandler*> (AliAnalysisManager::GetAnalysisManager()
				       ->GetInputEventHandler());
  if (!eventHandler) {
    AliWarning("No inputhandler found for this event!");
    return;}
  
  AliESDEvent* esd = eventHandler->GetEvent();
  
  if(!GetManager().IsInit() && !fFirstEventSeen) {
    AliFMDEventInspector inspector;
    inspector.ReadRunDetails(esd);
    GetManager().Init(inspector.GetCollisionSystem(),
		      inspector.GetEnergy(),
		      inspector.GetField());
    
    //std::cout<<inspector.GetCollisionSystem()<<"  "<<inspector.GetEnergy()<<"    "<<inspector.GetField()<<std::endl;
    AliInfo("Manager of corrections in AliCentralMultiplicityTask init");
    fFirstEventSeen = kTRUE;
  }
  
  //Selecting only events with |valid vertex| < 10 cm
  const AliESDVertex* vertex = esd->GetPrimaryVertexSPD();
  if (!vertex) return;
  if(!(vertex->GetStatus())) return;
  if(vertex->GetNContributors() <= 0) return ;
  if(vertex->GetZRes() > 0.1 ) return;
  Double_t vertexXYZ[3]={0,0,0};
  vertex->GetXYZ(vertexXYZ);
  if(TMath::Abs(vertexXYZ[2]) > 10) return;
  
  Double_t delta           = 2 ;
  Double_t vertexBinDouble = (vertexXYZ[2] + 10) / delta;
  //HHD: The vtxbins are 1-10, not 0-9
  Int_t    vtxbin          = Int_t(vertexBinDouble + 1) ; 
  
  // Make sure AOD is filled
  AliAnalysisManager* am = AliAnalysisManager::GetAnalysisManager();
  AliAODHandler*      ah = 
    dynamic_cast<AliAODHandler*>(am->GetOutputEventHandler());
  if (!ah)  
    AliFatal("No AOD output handler set in analysis manager");
  
  ah->SetFillAOD(kTRUE);
  
  //Doing analysis
  fAODCentral.Clear("");
  TH2D *aodHist = &(fAODCentral.GetHistogram());
  
  const AliMultiplicity* spdmult = esd->GetMultiplicity();
  //Filling clusters in layer 1 used for tracklets...
  for(Int_t j = 0; j< spdmult->GetNumberOfTracklets();j++)
    aodHist->Fill(spdmult->GetEta(j),spdmult->GetPhi(j));

  //...and then the unused ones in layer 1 
  for(Int_t j = 0; j< spdmult->GetNumberOfSingleClusters();j++) 
    aodHist->Fill(-TMath::Log(TMath::Tan(spdmult->GetThetaSingle(j)/2.)),
		  spdmult->GetPhiSingle(j));
  
  
  // Corrections
  TH2D* hSecMap     = 0;
  TH1D* hAcceptance = fManager.GetAcceptanceCorrection(vtxbin);
  if (fUseSecondary) hSecMap = fManager.GetSecMapCorrection(vtxbin);
  if (fUseSecondary && !hSecMap)  AliFatal("No secondary map!");
  if (!hAcceptance)               AliFatal("No acceptance!");
    
  if (hSecMap) aodHist->Divide(hSecMap);
  
  for(Int_t nx = 1; nx <= aodHist->GetNbinsX(); nx++) {
    Float_t accCor = hAcceptance->GetBinContent(nx);
    
    Bool_t etabinSeen = kFALSE;  
    for(Int_t ny = 1; ny <= aodHist->GetNbinsY(); ny++) {
      Float_t aodValue = aodHist->GetBinContent(nx,ny);
      Float_t secCor   = hSecMap->GetBinContent(nx,ny);
      if (secCor > 0.5) etabinSeen = kTRUE;
      if (aodValue < 0.000001) { aodHist->SetBinContent(nx,ny, 0); continue; }
      if (accCor   < 0.000001) accCor = 1;
      Float_t aodNew   = aodValue / accCor ;
      aodHist->SetBinContent(nx,ny, aodNew);
      Float_t aodErr   = aodHist->GetBinError(nx,ny);
      Float_t accErr   = hAcceptance->GetBinError(nx);
      Float_t error    = aodNew *TMath::Sqrt(TMath::Power(aodErr/aodValue,2) +
					     TMath::Power(accErr/accCor,2) );
      aodHist->SetBinError(nx,ny,error);
      
    }
    //Filling underflow bin if we eta bin is in range
    if(etabinSeen) aodHist->SetBinContent(nx,0, 1.);
  }  

  PostData(1,fList);
}
//____________________________________________________________________
void AliCentralMultiplicityTask::Terminate(Option_t* /*option*/) 
{
  // 
  // End of job
  // 
  // Parameters:
  //    option Not used 
  //
}
//____________________________________________________________________
void
AliCentralMultiplicityTask::Print(Option_t* /*option*/) const
{
  // 
  // Print information 
  // 
  // Parameters:
  //    option Not used
  //
}
//====================================================================
AliCentralMultiplicityTask::Manager::Manager() :
  fAcceptancePath("$ALICE_ROOT/PWG2/FORWARD/corrections/CentralAcceptance"),
  fSecMapPath("$ALICE_ROOT/PWG2/FORWARD/corrections/CentralSecMap"),
  fAcceptance(),
  fSecmap(),
  fAcceptanceName("centralacceptance"),
  fSecMapName("centralsecmap"),
  fIsInit(kFALSE)
{
  //
  // Constructor 
  // 
}
//____________________________________________________________________
AliCentralMultiplicityTask::Manager::Manager(const Manager& o) 
  :fAcceptancePath(o.fAcceptancePath),
   fSecMapPath(o.fSecMapPath),
   fAcceptance(o.fAcceptance),
   fSecmap(o.fSecmap),
   fAcceptanceName(o.fAcceptanceName),
   fSecMapName(o.fSecMapName),
   fIsInit(o.fIsInit)
{
  //
  // Copy Constructor 
  // 
}
//____________________________________________________________________
AliCentralMultiplicityTask::Manager&
AliCentralMultiplicityTask::Manager::operator=(const Manager& o)
{
  //
  // Assignment operator  
  // 
  fAcceptancePath = o.fAcceptancePath;
  fSecMapPath     = o.fSecMapPath;
  fAcceptance     = o.fAcceptance;
  fSecmap         = o.fSecmap;
  fAcceptanceName = o.fAcceptanceName;
  fSecMapName     = o.fSecMapName;
  fIsInit         = o.fIsInit;
  return *this;
}

//____________________________________________________________________
const char* 
AliCentralMultiplicityTask::Manager::GetFullFileName(UShort_t what, 
						     UShort_t sys, 
						     UShort_t sNN,  
						     Short_t  field) const
{
  // 
  // Get full path name to object file 
  // 
  // Parameters:
  //    what   What to get 
  //    sys    Collision system
  //    sNN    Center of mass energy 
  //    field  Magnetic field 
  // 
  // Return:
  //    
  //
  return Form("%s/%s",
	      what == 0 ? GetSecMapPath() : GetAcceptancePath(), 
	      GetFileName(what, sys, sNN, field));
}

//____________________________________________________________________
const char* 
AliCentralMultiplicityTask::Manager::GetFileName(UShort_t  what ,
						 UShort_t  sys, 
						 UShort_t  sNN,
						 Short_t   field) const
{
  // 
  // Get the full path name 
  // 
  // Parameters:
  //    what   What to get
  //    sys    Collision system
  //    sNN    Center of mass energy 
  //    field  Magnetic field 
  // 
  // Return:
  //    
  //
  // Must be static - otherwise the data may disappear on return from
  // this member function
  static TString fname = "";
  
  fname = "";
  switch(what) {
  case 0:  fname.Append(fSecMapName.Data());     break;
  case 1:  fname.Append(fAcceptanceName.Data()); break;
  default:
    ::Error("GetFileName", 
	    "Invalid indentifier %d for central object, must be 0 or 1!", what);
    break;
  }
  fname.Append(Form("_%s_%04dGeV_%c%1dkG.root", 
		    AliForwardUtil::CollisionSystemString(sys), 
		    sNN, (field < 0 ? 'm' : 'p'), TMath::Abs(field)));
  
  return fname.Data();
}

//____________________________________________________________________
TH2D* 
AliCentralMultiplicityTask::Manager::GetSecMapCorrection(UShort_t vtxbin) const
{
  // 
  // Get the secondary map
  // 
  // Parameters:
  //    vtxbin 
  // 
  // Return:
  //    
  //
  if (!fSecmap) { 
    ::Warning("GetSecMapCorrection","No secondary map defined");
    return 0;
  }
  return fSecmap->GetCorrection(vtxbin);
}
//____________________________________________________________________
TH1D* 
AliCentralMultiplicityTask::Manager::GetAcceptanceCorrection(UShort_t vtxbin) 
  const 
{
  // 
  // Get the acceptance correction 
  // 
  // Parameters:
  //    vtxbin 
  // 
  // Return:
  //    
  //
  if (!fAcceptance) { 
    ::Warning("GetAcceptanceCorrection","No acceptance map defined");
    return 0;
  }
  return fAcceptance->GetCorrection(vtxbin);
}

//____________________________________________________________________
void 
AliCentralMultiplicityTask::Manager::Init(UShort_t  sys, 
					  UShort_t  sNN,
					  Short_t   field) 
{
  // 
  // Initialize 
  // 
  // Parameters:
  //    sys    Collision system (1: pp, 2: PbPb)
  //    sNN    Center of mass energy per nucleon pair [GeV]
  //    field  Magnetic field [kG]
  //
  if(fIsInit) ::Warning("Init","Already initialised - overriding...");
  
  TFile fsec(GetFullFileName(0,sys,sNN,field));
  fSecmap = 
    dynamic_cast<AliCentralCorrSecondaryMap*>(fsec.Get(fSecMapName.Data()));  
  if(!fSecmap) {
    ::Error("Init", "no central Secondary Map found!") ;
    return;
  }
  TFile facc(GetFullFileName(1,sys,sNN,field));
  fAcceptance = 
    dynamic_cast<AliCentralCorrAcceptance*>(facc.Get(fAcceptanceName.Data()));
  if(!fAcceptance) {
    ::Error("Init", "no central Acceptance found!") ;
    return;
  }
  
  if(fSecmap && fAcceptance) {
    fIsInit = kTRUE;
    ::Info("Init", 
	   "Central Manager initialised for sys %d, energy %d, field %d",sys,sNN,field);

  }
  
}
//
// EOF
//
Commit	Line	Data
6f791cc3	1	//====================================================================
	2	//
	3	// Base class for classes that calculate the multiplicity in the
	4	// central region event-by-event
	5	//
	6	// Inputs:
	7	// - AliESDEvent
	8	//
	9	// Outputs:
	10	// - AliAODCentralMult
	11	//
	12	// Histograms
	13	//
	14	// Corrections used
	15	#include "AliCentralMultiplicityTask.h"
	16	#include "AliForwardCorrectionManager.h"
	17	#include "AliForwardUtil.h"
	18	#include "AliLog.h"
	19	#include "AliAODHandler.h"
	20	#include "AliInputEventHandler.h"
	21	#include "AliESDInputHandler.h"
	22	#include "AliAnalysisManager.h"
	23	#include "AliESDEvent.h"
	24	#include "AliMultiplicity.h"
e58000b7	25	#include "AliFMDEventInspector.h"
6f791cc3	26	#include <TROOT.h>
6f791cc3	27	#include <TFile.h>
3e478dba	28	#include <TError.h>
6f791cc3	29	#include <iostream>
	30	#include <iomanip>
	31
	32	//====================================================================
	33	AliCentralMultiplicityTask::AliCentralMultiplicityTask(const char* name)
	34	: AliAnalysisTaskSE(name),
	35	fData(0),
	36	fList(0),
	37	fAODCentral(kFALSE),
3b2bfb07	38	fManager(),
e58000b7	39	fUseSecondary(true),
fb3430ac	40	fFirstEventSeen(false)
6f791cc3	41	{
fb3430ac	42	//
	43	// Constructor
	44	//
6f791cc3	45	DefineOutput(1, TList::Class());
	46	}
	47	//____________________________________________________________________
9c825779	48	AliCentralMultiplicityTask::AliCentralMultiplicityTask()
	49	: AliAnalysisTaskSE(),
	50	fData(0),
	51	fList(0),
	52	fAODCentral(),
3b2bfb07	53	fManager(),
e58000b7	54	fUseSecondary(true),
fb3430ac	55	fFirstEventSeen(false)
9c825779	56	{
fb3430ac	57	//
	58	// Constructor
	59	//
9c825779	60	}
	61	//____________________________________________________________________
	62	AliCentralMultiplicityTask::AliCentralMultiplicityTask(const AliCentralMultiplicityTask& o)
	63	: AliAnalysisTaskSE(o),
	64	fData(o.fData),
	65	fList(o.fList),
	66	fAODCentral(o.fAODCentral),
3b2bfb07	67	fManager(o.fManager),
e58000b7	68	fUseSecondary(o.fUseSecondary),
fb3430ac	69	fFirstEventSeen(o.fFirstEventSeen)
9c825779	70	{
fb3430ac	71	//
	72	// Copy constructor
	73	//
9c825779	74	}
	75	//____________________________________________________________________
	76	AliCentralMultiplicityTask&
	77	AliCentralMultiplicityTask::operator=(const AliCentralMultiplicityTask& o)
	78	{
fb3430ac	79	//
	80	// Assignment operator
	81	//
e58000b7	82	fData = o.fData;
	83	fList = o.fList;
	84	fAODCentral = o.fAODCentral;
	85	fManager = o.fManager;
	86	fUseSecondary = o.fUseSecondary;
fb3430ac	87	fFirstEventSeen = o.fFirstEventSeen;
9c825779	88	return *this;
	89	}
	90	//____________________________________________________________________
3e478dba	91	void AliCentralMultiplicityTask::UserCreateOutputObjects()
3e478dba	92	{
fb3430ac	93	//
	94	// Create output objects
	95	//
	96	//
6f791cc3	97
	98	AliAnalysisManager* am = AliAnalysisManager::GetAnalysisManager();
	99	AliAODHandler* ah =
	100	dynamic_cast<AliAODHandler*>(am->GetOutputEventHandler());
	101	if (!ah) AliFatal("No AOD output handler set in analysis manager");
	102
	103
	104	TObject* obj = &fAODCentral;
	105	ah->AddBranch("AliAODCentralMult", &obj);
	106
	107	fList = new TList();
9d05ffeb	108	fList->SetOwner();
6f791cc3	109	PostData(1,fList);
	110
	111	}
	112	//____________________________________________________________________
3e478dba	113	void AliCentralMultiplicityTask::UserExec(Option_t* /option/)
3e478dba	114	{
fb3430ac	115	//
	116	// Process each event
	117	//
	118	// Parameters:
	119	// option Not used
	120	//
6f791cc3	121
	122	AliESDInputHandler* eventHandler =
	123	dynamic_cast<AliESDInputHandler*> (AliAnalysisManager::GetAnalysisManager()
	124	->GetInputEventHandler());
	125	if (!eventHandler) {
	126	AliWarning("No inputhandler found for this event!");
	127	return;}
	128
	129	AliESDEvent* esd = eventHandler->GetEvent();
	130
fb3430ac	131	if(!GetManager().IsInit() && !fFirstEventSeen) {
e58000b7	132	AliFMDEventInspector inspector;
	133	inspector.ReadRunDetails(esd);
	134	GetManager().Init(inspector.GetCollisionSystem(),
	135	inspector.GetEnergy(),
	136	inspector.GetField());
	137
	138	//std::cout<<inspector.GetCollisionSystem()<<" "<<inspector.GetEnergy()<<" "<<inspector.GetField()<<std::endl;
	139	AliInfo("Manager of corrections in AliCentralMultiplicityTask init");
fb3430ac	140	fFirstEventSeen = kTRUE;
e58000b7	141	}
e58000b7	142
6f791cc3	143	//Selecting only events with \|valid vertex\| < 10 cm
	144	const AliESDVertex* vertex = esd->GetPrimaryVertexSPD();
	145	if (!vertex) return;
	146	if(!(vertex->GetStatus())) return;
	147	if(vertex->GetNContributors() <= 0) return ;
	148	if(vertex->GetZRes() > 0.1 ) return;
	149	Double_t vertexXYZ[3]={0,0,0};
	150	vertex->GetXYZ(vertexXYZ);
	151	if(TMath::Abs(vertexXYZ[2]) > 10) return;
	152
3e478dba	153	Double_t delta = 2 ;
6f791cc3	154	Double_t vertexBinDouble = (vertexXYZ[2] + 10) / delta;
3e478dba	155	//HHD: The vtxbins are 1-10, not 0-9
3e478dba	156	Int_t vtxbin = Int_t(vertexBinDouble + 1) ;
6f791cc3	157
	158	// Make sure AOD is filled
	159	AliAnalysisManager* am = AliAnalysisManager::GetAnalysisManager();
	160	AliAODHandler* ah =
	161	dynamic_cast<AliAODHandler*>(am->GetOutputEventHandler());
	162	if (!ah)
	163	AliFatal("No AOD output handler set in analysis manager");
	164
	165	ah->SetFillAOD(kTRUE);
	166
	167	//Doing analysis
	168	fAODCentral.Clear("");
	169	TH2D *aodHist = &(fAODCentral.GetHistogram());
	170
	171	const AliMultiplicity* spdmult = esd->GetMultiplicity();
	172	//Filling clusters in layer 1 used for tracklets...
3e478dba	173	for(Int_t j = 0; j< spdmult->GetNumberOfTracklets();j++)
6f791cc3	174	aodHist->Fill(spdmult->GetEta(j),spdmult->GetPhi(j));
3e478dba	175
6f791cc3	176	//...and then the unused ones in layer 1
3e478dba	177	for(Int_t j = 0; j< spdmult->GetNumberOfSingleClusters();j++)
6f791cc3	178	aodHist->Fill(-TMath::Log(TMath::Tan(spdmult->GetThetaSingle(j)/2.)),
3e478dba	179	spdmult->GetPhiSingle(j));
6f791cc3	180
6f791cc3	181
3e478dba	182	// Corrections
3b2bfb07	183	TH2D* hSecMap = 0;
6f791cc3	184	TH1D* hAcceptance = fManager.GetAcceptanceCorrection(vtxbin);
3b2bfb07	185	if (fUseSecondary) hSecMap = fManager.GetSecMapCorrection(vtxbin);
	186	if (fUseSecondary && !hSecMap) AliFatal("No secondary map!");
	187	if (!hAcceptance) AliFatal("No acceptance!");
dbe8d9ed	188
3b2bfb07	189	if (hSecMap) aodHist->Divide(hSecMap);
6f791cc3	190
6f791cc3	191	for(Int_t nx = 1; nx <= aodHist->GetNbinsX(); nx++) {
3b2bfb07	192	Float_t accCor = hAcceptance->GetBinContent(nx);
6f791cc3	193
	194	Bool_t etabinSeen = kFALSE;
	195	for(Int_t ny = 1; ny <= aodHist->GetNbinsY(); ny++) {
3b2bfb07	196	Float_t aodValue = aodHist->GetBinContent(nx,ny);
	197	Float_t secCor = hSecMap->GetBinContent(nx,ny);
	198	if (secCor > 0.5) etabinSeen = kTRUE;
	199	if (aodValue < 0.000001) { aodHist->SetBinContent(nx,ny, 0); continue; }
	200	if (accCor < 0.000001) accCor = 1;
	201	Float_t aodNew = aodValue / accCor ;
	202	aodHist->SetBinContent(nx,ny, aodNew);
3e478dba	203	Float_t aodErr = aodHist->GetBinError(nx,ny);
3e478dba	204	Float_t accErr = hAcceptance->GetBinError(nx);
3b2bfb07	205	Float_t error = aodNew *TMath::Sqrt(TMath::Power(aodErr/aodValue,2) +
3b2bfb07	206	TMath::Power(accErr/accCor,2) );
6f791cc3	207	aodHist->SetBinError(nx,ny,error);
	208
	209	}
	210	//Filling underflow bin if we eta bin is in range
	211	if(etabinSeen) aodHist->SetBinContent(nx,0, 1.);
6f791cc3	212	}
	213
	214	PostData(1,fList);
6f791cc3	215	}
6f791cc3	216	//____________________________________________________________________
3e478dba	217	void AliCentralMultiplicityTask::Terminate(Option_t* /option/)
3e478dba	218	{
fb3430ac	219	//
	220	// End of job
	221	//
	222	// Parameters:
	223	// option Not used
	224	//
6f791cc3	225	}
	226	//____________________________________________________________________
	227	void
	228	AliCentralMultiplicityTask::Print(Option_t* /option/) const
	229	{
fb3430ac	230	//
	231	// Print information
	232	//
	233	// Parameters:
	234	// option Not used
	235	//
6f791cc3	236	}
3e478dba	237	//====================================================================
6f791cc3	238	AliCentralMultiplicityTask::Manager::Manager() :
	239	fAcceptancePath("$ALICE_ROOT/PWG2/FORWARD/corrections/CentralAcceptance"),
	240	fSecMapPath("$ALICE_ROOT/PWG2/FORWARD/corrections/CentralSecMap"),
	241	fAcceptance(),
	242	fSecmap(),
	243	fAcceptanceName("centralacceptance"),
e58000b7	244	fSecMapName("centralsecmap"),
e58000b7	245	fIsInit(kFALSE)
6f791cc3	246	{
fb3430ac	247	//
	248	// Constructor
	249	//
6f791cc3	250	}
6f791cc3	251	//____________________________________________________________________
3e478dba	252	AliCentralMultiplicityTask::Manager::Manager(const Manager& o)
	253	:fAcceptancePath(o.fAcceptancePath),
	254	fSecMapPath(o.fSecMapPath),
	255	fAcceptance(o.fAcceptance),
	256	fSecmap(o.fSecmap),
	257	fAcceptanceName(o.fAcceptanceName),
e58000b7	258	fSecMapName(o.fSecMapName),
e58000b7	259	fIsInit(o.fIsInit)
fb3430ac	260	{
	261	//
	262	// Copy Constructor
	263	//
	264	}
3e478dba	265	//____________________________________________________________________
	266	AliCentralMultiplicityTask::Manager&
	267	AliCentralMultiplicityTask::Manager::operator=(const Manager& o)
	268	{
fb3430ac	269	//
	270	// Assignment operator
	271	//
3e478dba	272	fAcceptancePath = o.fAcceptancePath;
	273	fSecMapPath = o.fSecMapPath;
	274	fAcceptance = o.fAcceptance;
	275	fSecmap = o.fSecmap;
	276	fAcceptanceName = o.fAcceptanceName;
	277	fSecMapName = o.fSecMapName;
e58000b7	278	fIsInit = o.fIsInit;
3e478dba	279	return *this;
	280	}
	281
	282	//____________________________________________________________________
	283	const char*
	284	AliCentralMultiplicityTask::Manager::GetFullFileName(UShort_t what,
	285	UShort_t sys,
	286	UShort_t sNN,
	287	Short_t field) const
	288	{
fb3430ac	289	//
	290	// Get full path name to object file
	291	//
	292	// Parameters:
	293	// what What to get
	294	// sys Collision system
	295	// sNN Center of mass energy
	296	// field Magnetic field
	297	//
	298	// Return:
	299	//
	300	//
3e478dba	301	return Form("%s/%s",
	302	what == 0 ? GetSecMapPath() : GetAcceptancePath(),
	303	GetFileName(what, sys, sNN, field));
	304	}
	305
	306	//____________________________________________________________________
	307	const char*
	308	AliCentralMultiplicityTask::Manager::GetFileName(UShort_t what ,
	309	UShort_t sys,
	310	UShort_t sNN,
	311	Short_t field) const
	312	{
fb3430ac	313	//
	314	// Get the full path name
	315	//
	316	// Parameters:
	317	// what What to get
	318	// sys Collision system
	319	// sNN Center of mass energy
	320	// field Magnetic field
	321	//
	322	// Return:
	323	//
	324	//
3e478dba	325	// Must be static - otherwise the data may disappear on return from
	326	// this member function
	327	static TString fname = "";
6f791cc3	328
dbe8d9ed	329	fname = "";
6f791cc3	330	switch(what) {
3e478dba	331	case 0: fname.Append(fSecMapName.Data()); break;
3e478dba	332	case 1: fname.Append(fAcceptanceName.Data()); break;
6f791cc3	333	default:
3e478dba	334	::Error("GetFileName",
3e478dba	335	"Invalid indentifier %d for central object, must be 0 or 1!", what);
6f791cc3	336	break;
	337	}
	338	fname.Append(Form("_%s_%04dGeV_%c%1dkG.root",
	339	AliForwardUtil::CollisionSystemString(sys),
	340	sNN, (field < 0 ? 'm' : 'p'), TMath::Abs(field)));
	341
	342	return fname.Data();
6f791cc3	343	}
3e478dba	344
6f791cc3	345	//____________________________________________________________________
3e478dba	346	TH2D*
	347	AliCentralMultiplicityTask::Manager::GetSecMapCorrection(UShort_t vtxbin) const
	348	{
fb3430ac	349	//
	350	// Get the secondary map
	351	//
	352	// Parameters:
	353	// vtxbin
	354	//
	355	// Return:
	356	//
	357	//
3e478dba	358	if (!fSecmap) {
	359	::Warning("GetSecMapCorrection","No secondary map defined");
	360	return 0;
	361	}
	362	return fSecmap->GetCorrection(vtxbin);
	363	}
	364	//____________________________________________________________________
	365	TH1D*
	366	AliCentralMultiplicityTask::Manager::GetAcceptanceCorrection(UShort_t vtxbin)
	367	const
	368	{
fb3430ac	369	//
	370	// Get the acceptance correction
	371	//
	372	// Parameters:
	373	// vtxbin
	374	//
	375	// Return:
	376	//
	377	//
3e478dba	378	if (!fAcceptance) {
	379	::Warning("GetAcceptanceCorrection","No acceptance map defined");
	380	return 0;
	381	}
	382	return fAcceptance->GetCorrection(vtxbin);
	383	}
	384
	385	//____________________________________________________________________
	386	void
	387	AliCentralMultiplicityTask::Manager::Init(UShort_t sys,
	388	UShort_t sNN,
	389	Short_t field)
	390	{
fb3430ac	391	//
	392	// Initialize
	393	//
	394	// Parameters:
	395	// sys Collision system (1: pp, 2: PbPb)
	396	// sNN Center of mass energy per nucleon pair [GeV]
	397	// field Magnetic field [kG]
	398	//
e58000b7	399	if(fIsInit) ::Warning("Init","Already initialised - overriding...");
e58000b7	400
6f791cc3	401	TFile fsec(GetFullFileName(0,sys,sNN,field));
3e478dba	402	fSecmap =
3e478dba	403	dynamic_cast<AliCentralCorrSecondaryMap*>(fsec.Get(fSecMapName.Data()));
6f791cc3	404	if(!fSecmap) {
3e478dba	405	::Error("Init", "no central Secondary Map found!") ;
6f791cc3	406	return;
	407	}
	408	TFile facc(GetFullFileName(1,sys,sNN,field));
3e478dba	409	fAcceptance =
	410	dynamic_cast<AliCentralCorrAcceptance*>(facc.Get(fAcceptanceName.Data()));
	411	if(!fAcceptance) {
	412	::Error("Init", "no central Acceptance found!") ;
	413	return;
	414	}
e58000b7	415
	416	if(fSecmap && fAcceptance) {
	417	fIsInit = kTRUE;
	418	::Info("Init",
	419	"Central Manager initialised for sys %d, energy %d, field %d",sys,sNN,field);
6f791cc3	420
e58000b7	421	}
e58000b7	422
6f791cc3	423	}
	424	//
	425	// EOF
	426	//