-/**************************************************************************\r
- * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *\r
- * *\r
- * Author: The ALICE Off-line Project. *\r
- * Contributors are mentioned in the code where appropriate. *\r
- * *\r
- * Permission to use, copy, modify and distribute this software and its *\r
- * documentation strictly for non-commercial purposes is hereby granted *\r
- * without fee, provided that the above copyright notice appears in all *\r
- * copies and that both the copyright notice and this permission notice *\r
- * appear in the supporting documentation. The authors make no claims *\r
- * about the suitability of this software for any purpose. It is *\r
- * provided "as is" without express or implied warranty. *\r
- **************************************************************************/\r
-//------------------------------------------------------------------------------\r
-// AlidNdPtEfficiency class. \r
-//\r
-// a. functionality:\r
-// - fills generic cut histograms\r
-// - generates cuts (selection criteria)\r
-//\r
-// b. data members:\r
-// - generic cut histograms\r
-// - control histograms\r
-//\r
-// Author: J.Otwinowski 18/11/2010 \r
-//------------------------------------------------------------------------------\r
-#include "TH1.h"\r
-#include "TH2.h"\r
-\r
-#include "AliHeader.h" \r
-#include "AliGenEventHeader.h" \r
-#include "AliStack.h" \r
-#include "AliESDEvent.h" \r
-#include "AliMCEvent.h" \r
-#include "AliESDtrackCuts.h" \r
-#include "AliLog.h" \r
-#include "AliTracker.h" \r
-\r
-#include "AlidNdPtEventCuts.h"\r
-#include "AlidNdPtAcceptanceCuts.h"\r
-#include "AlidNdPtBackgroundCuts.h"\r
-#include "AlidNdPtAnalysis.h"\r
-#include "AliPhysicsSelection.h"\r
-\r
-#include "AliPWG0Helper.h"\r
-#include "AlidNdPtHelper.h"\r
-#include "AlidNdPtEfficiency.h"\r
-\r
-using namespace std;\r
-\r
-ClassImp(AlidNdPtEfficiency)\r
-\r
-//_____________________________________________________________________________\r
- AlidNdPtEfficiency::AlidNdPtEfficiency(): AlidNdPt(),\r
- fAnalysisFolder(0),\r
- fRecMCTrackHistTPCITS(0),\r
- fRecMCTrackHistITSTPC(0)\r
-{\r
- // default constructor\r
- Init();\r
-}\r
-\r
-//_____________________________________________________________________________\r
-AlidNdPtEfficiency::AlidNdPtEfficiency(Char_t* name, Char_t* title): AlidNdPt(name,title),\r
- fAnalysisFolder(0),\r
- fRecMCTrackHistTPCITS(0),\r
- fRecMCTrackHistITSTPC(0)\r
-{\r
- // constructor\r
- Init();\r
-}\r
-\r
-//_____________________________________________________________________________\r
-AlidNdPtEfficiency::~AlidNdPtEfficiency() {\r
- // \r
- if(fRecMCTrackHistTPCITS) delete fRecMCTrackHistTPCITS; fRecMCTrackHistTPCITS=0;\r
- if(fRecMCTrackHistITSTPC) delete fRecMCTrackHistITSTPC; fRecMCTrackHistITSTPC=0;\r
-\r
- if(fAnalysisFolder) delete fAnalysisFolder; fAnalysisFolder=0;\r
-}\r
-\r
-//_____________________________________________________________________________\r
-void AlidNdPtEfficiency::Init(){\r
- //\r
- // Init histograms\r
- //\r
- const Int_t ptNbins = 63; \r
- const Double_t ptMin = 0.; \r
- const Double_t ptMax = 20.; \r
-\r
- Double_t binsPt[ptNbins+1] = {0.,0.05,0.1,0.15,0.2,0.25,0.3,0.35,0.4,0.45,0.5,0.55,0.6,0.65,0.7,0.75,0.8,0.85,0.9,0.95,1.0,1.1,1.2,1.3,1.4,1.5,1.6,1.7,1.8,1.9,2.0,2.2,2.4,2.6,2.8,3.0,3.2,3.4,3.6,3.8,4.0,4.5,5.0,5.5,6.0,6.5,7.0,7.5,8.0,9.0,10.0,11.0,12.0,13.0,14.0,15.0,16.0,18.0, 20.,25.,30.,35.,40.,50};\r
-\r
- // \r
- // THnSparse track histograms\r
- //\r
-\r
- // TPC -> ITS matching efficiency\r
- // eta:phi:pt:isPrim:charge:isMatch:isTPC\r
- Int_t binsRecMCTrackHistTPCITS[7]= { 30, 90, ptNbins, 2, 3, 2, 2 };\r
- Double_t minRecMCTrackHistTPCITS[7]={-1.5, 0., ptMin, 0., -1., 0., 0. };\r
- Double_t maxRecMCTrackHistTPCITS[7]={ 1.5, 2.*TMath::Pi(), ptMax, 2., 2., 2., 2. };\r
-\r
- fRecMCTrackHistTPCITS = new THnSparseF("fRecMCTrackHistTPCITS","eta:phi:pt:isPrim:charge:isMatch:isTPC",7,binsRecMCTrackHistTPCITS,minRecMCTrackHistTPCITS,maxRecMCTrackHistTPCITS);\r
- fRecMCTrackHistTPCITS->SetBinEdges(2,binsPt);\r
- fRecMCTrackHistTPCITS->GetAxis(0)->SetTitle("#eta");\r
- fRecMCTrackHistTPCITS->GetAxis(1)->SetTitle("#phi (rad)");\r
- fRecMCTrackHistTPCITS->GetAxis(2)->SetTitle("p_{T} (GeV/c)");\r
- fRecMCTrackHistTPCITS->GetAxis(3)->SetTitle("isPrim");\r
- fRecMCTrackHistTPCITS->GetAxis(4)->SetTitle("charge");\r
- fRecMCTrackHistTPCITS->GetAxis(5)->SetTitle("isMatch");\r
- fRecMCTrackHistTPCITS->GetAxis(6)->SetTitle("isTPC");\r
- fRecMCTrackHistTPCITS->Sumw2();\r
-\r
- // ITS -> TPC matching efficiency\r
- // eta:phi:pt:isPrim:charge:isMatch\r
- Int_t binsRecMCTrackHistITSTPC[6]= { 30, 90, ptNbins, 2, 3, 2 };\r
- Double_t minRecMCTrackHistITSTPC[6]={-1.5, 0., ptMin, 0., -1., 0 };\r
- Double_t maxRecMCTrackHistITSTPC[6]={ 1.5, 2.*TMath::Pi(), ptMax, 2., 2., 2.};\r
-\r
- fRecMCTrackHistITSTPC = new THnSparseF("fRecMCTrackHistITSTPC","eta:phi:pt:isPrim:charge:isMatch",6,binsRecMCTrackHistITSTPC,minRecMCTrackHistITSTPC,maxRecMCTrackHistITSTPC);\r
- fRecMCTrackHistITSTPC->SetBinEdges(2,binsPt);\r
- fRecMCTrackHistITSTPC->GetAxis(0)->SetTitle("#eta");\r
- fRecMCTrackHistITSTPC->GetAxis(1)->SetTitle("#phi (rad)");\r
- fRecMCTrackHistITSTPC->GetAxis(2)->SetTitle("p_{T} (GeV/c)");\r
- fRecMCTrackHistITSTPC->GetAxis(3)->SetTitle("isPrim");\r
- fRecMCTrackHistITSTPC->GetAxis(4)->SetTitle("charge");\r
- fRecMCTrackHistITSTPC->GetAxis(5)->SetTitle("isMatch");\r
- fRecMCTrackHistITSTPC->Sumw2();\r
-\r
- // init output folder\r
- fAnalysisFolder = CreateFolder("folderdNdPt","Analysis dNdPt Folder");\r
-}\r
-\r
-//_____________________________________________________________________________\r
-void AlidNdPtEfficiency::Process(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent)\r
-{\r
- //\r
- // Process real and/or simulated events\r
- //\r
- if(!esdEvent) {\r
- AliDebug(AliLog::kError, "esdEvent not available");\r
- return;\r
- }\r
-\r
- // get selection cuts\r
- AlidNdPtEventCuts *evtCuts = GetEventCuts(); \r
- AlidNdPtAcceptanceCuts *accCuts = GetAcceptanceCuts(); \r
- AliESDtrackCuts *esdTrackCuts = GetTrackCuts(); \r
-\r
- if(!evtCuts || !accCuts || !esdTrackCuts) {\r
- AliDebug(AliLog::kError, "cuts not available");\r
- return;\r
- }\r
-\r
- \r
-\r
- // trigger selection\r
- Bool_t isEventTriggered = kTRUE;\r
- \r
- // use MC information\r
- AliHeader* header = 0;\r
- AliGenEventHeader* genHeader = 0;\r
- AliStack* stack = 0;\r
- TArrayF vtxMC(3);\r
-\r
- Int_t multMCTrueTracks = 0;\r
- if(IsUseMCInfo())\r
- {\r
- //\r
- if(!mcEvent) {\r
- AliDebug(AliLog::kError, "mcEvent not available");\r
- return;\r
- }\r
- // get MC event header\r
- header = mcEvent->Header();\r
- if (!header) {\r
- AliDebug(AliLog::kError, "Header not available");\r
- return;\r
- }\r
- // MC particle stack\r
- stack = mcEvent->Stack();\r
- if (!stack) {\r
- AliDebug(AliLog::kError, "Stack not available");\r
- return;\r
- }\r
-\r
- // get MC vertex\r
- genHeader = header->GenEventHeader();\r
- if (!genHeader) {\r
- AliDebug(AliLog::kError, "Could not retrieve genHeader from Header");\r
- return;\r
- }\r
- genHeader->PrimaryVertex(vtxMC);\r
-\r
- // multipliticy of all MC primary tracks\r
- // in Zv, pt and eta ranges)\r
- multMCTrueTracks = AlidNdPtHelper::GetMCTrueTrackMult(mcEvent,evtCuts,accCuts);\r
-\r
- } // end bUseMC\r
-\r
- // get reconstructed vertex \r
- const AliESDVertex* vtxESD = 0; \r
- if(evtCuts->IsRecVertexRequired()) \r
- {\r
- if(GetAnalysisMode() == AlidNdPtHelper::kTPC) {\r
- vtxESD = esdEvent->GetPrimaryVertexTPC();\r
- }\r
- else if(GetAnalysisMode() == AlidNdPtHelper::kTPCITS) {\r
- vtxESD = esdEvent->GetPrimaryVertexTracks();\r
- }\r
- else {\r
- return;\r
- }\r
- }\r
- Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD); \r
- //printf("isEventOK %d, isEventTriggered %d \n",isEventOK, isEventTriggered);\r
- //printf("GetAnalysisMode() %d \n",GetAnalysisMode());\r
-\r
- TObjArray *allChargedTracks=0;\r
- //printf("isEventOK %d, isEventTriggered %d \n",isEventOK,isEventTriggered);\r
-\r
- // check event cuts\r
- if(isEventOK && isEventTriggered)\r
- {\r
- // get all charged tracks\r
- allChargedTracks = AlidNdPtHelper::GetAllChargedTracks(esdEvent,GetAnalysisMode());\r
- if(!allChargedTracks) return;\r
-\r
- Int_t entries = allChargedTracks->GetEntries();\r
- Bool_t isTPC = kFALSE;\r
- Bool_t isMatch = kFALSE;\r
-\r
- // TPC -> ITS prolongation efficiency\r
- for(Int_t iTrack=0; iTrack<entries;++iTrack) \r
- {\r
- AliESDtrack *track = (AliESDtrack*)allChargedTracks->At(iTrack);\r
- if(!track) continue;\r
-\r
- isTPC = kFALSE;\r
-\r
- if(track->Charge()==0) continue;\r
- if(!track->GetTPCInnerParam()) continue;\r
- if(!(track->GetStatus()&AliESDtrack::kTPCrefit)) continue;\r
-\r
- // check loose cuts for TPC tracks\r
- if(!esdTrackCuts->AcceptTrack(track)) { continue; } \r
-\r
- isTPC = kTRUE;\r
- isMatch = kFALSE;\r
- if( (track->GetStatus()&AliESDtrack::kITSrefit) && \r
- (track->HasPointOnITSLayer(0) || track->HasPointOnITSLayer(1)) ) \r
- {\r
- isMatch = kTRUE;\r
- }\r
-\r
- //\r
- FillHistograms(track, stack, isMatch, isTPC, kFALSE);\r
- //if(tpcTrack) delete tpcTrack;\r
- } \r
-\r
- //\r
- // ITS -> TPC prolongation efficiency\r
- //\r
- for(Int_t iTrack=0; iTrack<entries;++iTrack) \r
- {\r
- AliESDtrack *track = (AliESDtrack*)allChargedTracks->At(iTrack);\r
- if(!track) continue;\r
-\r
- //\r
- // ITS stand alone tracks\r
- //\r
- if(!(track->GetStatus() & AliESDtrack::kITSpureSA)) continue;\r
- if(!(track->GetStatus() & AliESDtrack::kITSrefit)) continue;\r
- if(track->GetNcls(0)<4) continue;\r
- if(!track->HasPointOnITSLayer(0) && !track->HasPointOnITSLayer(1)) continue;\r
-\r
- // Check matching with TPC only track\r
- for(Int_t jTrack=0; jTrack<entries;++jTrack) \r
- {\r
- isMatch = kFALSE;\r
-\r
- if(iTrack==jTrack) continue;\r
-\r
- AliESDtrack *track2 = (AliESDtrack*)allChargedTracks->At(jTrack);\r
- if(!track2) continue;\r
- if(track2->Charge()==0) continue;\r
- if(!track2->GetTPCInnerParam()) continue;\r
- if(!(track2->GetStatus() & AliESDtrack::kTPCrefit)) continue;\r
-\r
- // Get TPC only tracks (must be deleted by user) \r
- AliESDtrack* tpcTrack2 = AliESDtrackCuts::GetTPCOnlyTrack(esdEvent, jTrack);\r
- if(!tpcTrack2) continue;\r
- if(!tpcTrack2->RelateToVertex(vtxESD,esdEvent->GetMagneticField(),100.)) { delete tpcTrack2; continue; } \r
-\r
- // check loose cuts for TPC tracks\r
- if(!esdTrackCuts->AcceptTrack(tpcTrack2)) { delete tpcTrack2; continue; }\r
-\r
- // check matching\r
- if (TMath::Abs(track->GetY() - tpcTrack2->GetY()) > 3) { delete tpcTrack2; continue; }\r
- if (TMath::Abs(track->GetSnp() - tpcTrack2->GetSnp()) > 0.2) { delete tpcTrack2; continue; }\r
- if (TMath::Abs(track->GetTgl() - tpcTrack2->GetTgl()) > 0.2) { delete tpcTrack2; continue; }\r
-\r
- isMatch = kTRUE;\r
- if(tpcTrack2) { \r
- delete tpcTrack2;\r
- }\r
- break;\r
- }\r
-\r
- //\r
- FillHistograms(track, stack, isMatch, kFALSE, kTRUE);\r
- } \r
- }\r
-\r
- if(allChargedTracks) delete allChargedTracks; allChargedTracks = 0;\r
-\r
-}\r
-\r
-//_____________________________________________________________________________\r
-void AlidNdPtEfficiency::FillHistograms(AliESDtrack *const esdTrack, AliStack *const stack, const Bool_t isMatch, const Bool_t isTPC, const Bool_t isITSTPC) const\r
-{\r
- //\r
- // Fill ESD track and MC histograms \r
- //\r
- if(!esdTrack) return;\r
- Int_t charge = esdTrack->Charge();\r
- if(charge == 0.) return;\r
-\r
- Float_t pt = esdTrack->Pt();\r
- Float_t eta = esdTrack->Eta();\r
- Float_t phi = esdTrack->Phi();\r
-\r
- //\r
- // Fill rec vs MC information\r
- //\r
- Bool_t isPrim = kTRUE;\r
-\r
- if(IsUseMCInfo()) {\r
- if(!stack) return;\r
- Int_t label = esdTrack->GetLabel(); \r
- if(label < 0.) return; // fake ITS track\r
- TParticle* particle = stack->Particle(label);\r
- if(!particle) return;\r
- if(particle->GetPDG() && particle->GetPDG()->Charge()==0.) return;\r
- isPrim = stack->IsPhysicalPrimary(label);\r
- }\r
-\r
- // fill histo\r
- Double_t vRecMCTrackHist[6] = { eta,phi,pt,isPrim,charge,isMatch }; \r
- Double_t vRecMCTrackHistTPCITS[7] = { eta,phi,pt,isPrim,charge,isMatch,isTPC }; \r
-\r
- if(isITSTPC) {\r
- fRecMCTrackHistITSTPC->Fill(vRecMCTrackHist);\r
- }\r
- else {\r
- fRecMCTrackHistTPCITS->Fill(vRecMCTrackHistTPCITS);\r
- }\r
-}\r
-\r
-//_____________________________________________________________________________\r
-Long64_t AlidNdPtEfficiency::Merge(TCollection* const list) \r
-{\r
- // Merge list of objects (needed by PROOF)\r
-\r
- if (!list)\r
- return 0;\r
-\r
- if (list->IsEmpty())\r
- return 1;\r
-\r
- TIterator* iter = list->MakeIterator();\r
- TObject* obj = 0;\r
-\r
- // collection of generated histograms\r
- Int_t count=0;\r
- while((obj = iter->Next()) != 0) {\r
- AlidNdPtEfficiency* entry = dynamic_cast<AlidNdPtEfficiency*>(obj);\r
- if (entry == 0) continue; \r
- \r
- // track histo\r
- fRecMCTrackHistTPCITS->Add(entry->fRecMCTrackHistTPCITS);\r
- fRecMCTrackHistITSTPC->Add(entry->fRecMCTrackHistITSTPC);\r
-\r
- count++;\r
- }\r
-\r
-return count;\r
-}\r
-\r
-//_____________________________________________________________________________\r
-void AlidNdPtEfficiency::Analyse() \r
-{\r
- //\r
- // Analyse histograms\r
- //\r
- TH1::AddDirectory(kFALSE);\r
- TObjArray *aFolderObj = new TObjArray;\r
- if(!aFolderObj) return; \r
-\r
- TH1D *h1Dall = 0; \r
- TH1D *h1D = 0; \r
- TH1D *h1Dc = 0; \r
-\r
-\r
- //\r
- // get cuts\r
- //\r
- AlidNdPtEventCuts *evtCuts = GetEventCuts(); \r
- AlidNdPtAcceptanceCuts *accCuts = GetAcceptanceCuts(); \r
- AliESDtrackCuts *esdTrackCuts = GetTrackCuts(); \r
-\r
- if(!evtCuts || !accCuts || !esdTrackCuts) {\r
- Error("AlidNdPtEfficiency::Analyse()", "cuts not available");\r
- return;\r
- }\r
-\r
- //\r
- // TPC->ITS efficiency\r
- //\r
-\r
- //eff vs eta\r
- fRecMCTrackHistTPCITS->GetAxis(6)->SetRange(2,2); \r
- h1Dall = (TH1D *)fRecMCTrackHistTPCITS->Projection(0);\r
- if(!h1Dall) return;\r
- fRecMCTrackHistTPCITS->GetAxis(5)->SetRange(2,2); \r
- h1D = (TH1D *)fRecMCTrackHistTPCITS->Projection(0);\r
- if(!h1D) return;\r
-\r
- h1Dc = (TH1D *)h1D->Clone("eff_vs_eta_TPCITS");\r
- h1Dc->Divide(h1Dall);\r
- aFolderObj->Add(h1Dc);\r
- fRecMCTrackHistTPCITS->GetAxis(5)->SetRange(1,2); \r
- fRecMCTrackHistTPCITS->GetAxis(6)->SetRange(1,2); \r
-\r
- //eff vs phi\r
- fRecMCTrackHistTPCITS->GetAxis(6)->SetRange(2,2); \r
- fRecMCTrackHistTPCITS->GetAxis(0)->SetRangeUser(-0.8, 0.799); \r
- h1Dall = (TH1D *)fRecMCTrackHistTPCITS->Projection(1);\r
- if(!h1Dall) return;\r
- fRecMCTrackHistTPCITS->GetAxis(5)->SetRange(2,2); \r
- h1D = (TH1D *)fRecMCTrackHistTPCITS->Projection(1);\r
- if(!h1D) return;\r
-\r
- h1Dc = (TH1D *)h1D->Clone("eff_vs_phi_TPCITS");\r
- h1Dc->Divide(h1Dall);\r
- aFolderObj->Add(h1Dc);\r
- fRecMCTrackHistTPCITS->GetAxis(5)->SetRange(1,2); \r
- fRecMCTrackHistTPCITS->GetAxis(6)->SetRange(1,2); \r
-\r
- //eff vs pT\r
- fRecMCTrackHistTPCITS->GetAxis(6)->SetRange(2,2); \r
- fRecMCTrackHistTPCITS->GetAxis(0)->SetRangeUser(-0.8, 0.799); \r
- h1Dall = (TH1D *)fRecMCTrackHistTPCITS->Projection(2);\r
- if(!h1Dall) return;\r
- fRecMCTrackHistTPCITS->GetAxis(5)->SetRange(2,2); \r
- h1D = (TH1D *)fRecMCTrackHistTPCITS->Projection(2);\r
- if(!h1D) return;\r
-\r
- h1Dc = (TH1D *)h1D->Clone("eff_vs_pT_TPCITS");\r
- h1Dc->Divide(h1Dall);\r
- aFolderObj->Add(h1Dc);\r
- fRecMCTrackHistTPCITS->GetAxis(5)->SetRange(1,2); \r
- fRecMCTrackHistTPCITS->GetAxis(6)->SetRange(1,2); \r
-\r
-\r
- //\r
- // ITS->TPC efficiency\r
- //\r
-\r
- fRecMCTrackHistITSTPC->GetAxis(0)->SetRangeUser(-1.5, 1.499); \r
- fRecMCTrackHistITSTPC->GetAxis(5)->SetRange(1,2); \r
-\r
- //eff vs eta\r
- h1Dall = (TH1D *)fRecMCTrackHistITSTPC->Projection(0);\r
- if(!h1Dall) return;\r
- fRecMCTrackHistITSTPC->GetAxis(5)->SetRange(2,2); \r
- h1D = (TH1D *)fRecMCTrackHistITSTPC->Projection(0);\r
- if(!h1D) return;\r
-\r
- h1Dc = (TH1D *)h1D->Clone("eff_vs_eta_ITSTPC");\r
- h1Dc->Divide(h1Dall);\r
- aFolderObj->Add(h1Dc);\r
- fRecMCTrackHistITSTPC->GetAxis(5)->SetRange(1,2); \r
-\r
- //eff vs phi\r
- fRecMCTrackHistITSTPC->GetAxis(0)->SetRangeUser(-0.8, 0.799); \r
- h1Dall = (TH1D *)fRecMCTrackHistITSTPC->Projection(1);\r
- if(!h1Dall) return;\r
- fRecMCTrackHistITSTPC->GetAxis(5)->SetRange(2,2); \r
- h1D = (TH1D *)fRecMCTrackHistITSTPC->Projection(1);\r
- if(!h1D) return;\r
-\r
- h1Dc = (TH1D *)h1D->Clone("eff_vs_phi_ITSTPC");\r
- h1Dc->Divide(h1Dall);\r
- aFolderObj->Add(h1Dc);\r
- fRecMCTrackHistITSTPC->GetAxis(5)->SetRange(1,2); \r
-\r
- //eff vs pT\r
- fRecMCTrackHistITSTPC->GetAxis(0)->SetRangeUser(-0.8, 0.799); \r
- h1Dall = (TH1D *)fRecMCTrackHistITSTPC->Projection(2);\r
- if(!h1Dall) return;\r
- fRecMCTrackHistITSTPC->GetAxis(5)->SetRange(2,2); \r
- h1D = (TH1D *)fRecMCTrackHistITSTPC->Projection(2);\r
- if(!h1D) return;\r
-\r
- h1Dc = (TH1D *)h1D->Clone("eff_vs_pT_ITSTPC");\r
- h1Dc->Divide(h1Dall);\r
- aFolderObj->Add(h1Dc);\r
- fRecMCTrackHistITSTPC->GetAxis(5)->SetRange(1,2); \r
- \r
- // export objects to analysis folder\r
- fAnalysisFolder = ExportToFolder(aFolderObj);\r
- if(!fAnalysisFolder) {\r
- if(aFolderObj) delete aFolderObj;\r
- return;\r
- }\r
-\r
- // delete only TObjArray\r
- if(aFolderObj) delete aFolderObj;\r
-}\r
-\r
-//_____________________________________________________________________________\r
-TFolder* AlidNdPtEfficiency::ExportToFolder(TObjArray * const array) \r
-{\r
- // recreate folder avery time and export objects to new one\r
- //\r
- AlidNdPtEfficiency * comp=this;\r
- TFolder *folder = comp->GetAnalysisFolder();\r
-\r
- TString name, title;\r
- TFolder *newFolder = 0;\r
- Int_t i = 0;\r
- Int_t size = array->GetSize();\r
-\r
- if(folder) { \r
- // get name and title from old folder\r
- name = folder->GetName(); \r
- title = folder->GetTitle(); \r
-\r
- // delete old one\r
- delete folder;\r
-\r
- // create new one\r
- newFolder = CreateFolder(name.Data(),title.Data());\r
- newFolder->SetOwner();\r
-\r
- // add objects to folder\r
- while(i < size) {\r
- newFolder->Add(array->At(i));\r
- i++;\r
- }\r
- }\r
-\r
-return newFolder;\r
-}\r
-\r
-//_____________________________________________________________________________\r
-TFolder* AlidNdPtEfficiency::CreateFolder(TString name,TString title) { \r
-// create folder for analysed histograms\r
-//\r
-TFolder *folder = 0;\r
- folder = new TFolder(name.Data(),title.Data());\r
-\r
- return folder;\r
-}\r
+/**************************************************************************
+ * 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. *
+ **************************************************************************/
+//------------------------------------------------------------------------------
+// AlidNdPtEfficiency class.
+//
+// a. functionality:
+// - fills generic cut histograms
+// - generates cuts (selection criteria)
+//
+// b. data members:
+// - generic cut histograms
+// - control histograms
+//
+// Author: J.Otwinowski 18/11/2010
+//------------------------------------------------------------------------------
+#include "TH1.h"
+#include "TH2.h"
+
+#include "AliHeader.h"
+#include "AliGenEventHeader.h"
+#include "AliStack.h"
+#include "AliESDEvent.h"
+#include "AliMCEvent.h"
+#include "AliESDtrackCuts.h"
+#include "AliLog.h"
+#include "AliTracker.h"
+
+#include "AlidNdPtEventCuts.h"
+#include "AlidNdPtAcceptanceCuts.h"
+#include "AlidNdPtBackgroundCuts.h"
+#include "AlidNdPtAnalysis.h"
+#include "AliPhysicsSelection.h"
+
+#include "AliPWG0Helper.h"
+#include "AlidNdPtHelper.h"
+#include "AlidNdPtEfficiency.h"
+
+using namespace std;
+
+ClassImp(AlidNdPtEfficiency)
+
+//_____________________________________________________________________________
+ AlidNdPtEfficiency::AlidNdPtEfficiency(): AlidNdPt(),
+ fAnalysisFolder(0),
+ fRecMCTrackHistTPCITS(0),
+ fRecMCTrackHistITSTPC(0)
+{
+ // default constructor
+ Init();
+}
+
+//_____________________________________________________________________________
+AlidNdPtEfficiency::AlidNdPtEfficiency(Char_t* name, Char_t* title): AlidNdPt(name,title),
+ fAnalysisFolder(0),
+ fRecMCTrackHistTPCITS(0),
+ fRecMCTrackHistITSTPC(0)
+{
+ // constructor
+ Init();
+}
+
+//_____________________________________________________________________________
+AlidNdPtEfficiency::~AlidNdPtEfficiency() {
+ //
+ if(fRecMCTrackHistTPCITS) delete fRecMCTrackHistTPCITS; fRecMCTrackHistTPCITS=0;
+ if(fRecMCTrackHistITSTPC) delete fRecMCTrackHistITSTPC; fRecMCTrackHistITSTPC=0;
+
+ if(fAnalysisFolder) delete fAnalysisFolder; fAnalysisFolder=0;
+}
+
+//_____________________________________________________________________________
+void AlidNdPtEfficiency::Init(){
+ //
+ // Init histograms
+ //
+ const Int_t ptNbins = 63;
+ const Double_t ptMin = 0.;
+ const Double_t ptMax = 20.;
+
+ Double_t binsPt[ptNbins+1] = {0.,0.05,0.1,0.15,0.2,0.25,0.3,0.35,0.4,0.45,0.5,0.55,0.6,0.65,0.7,0.75,0.8,0.85,0.9,0.95,1.0,1.1,1.2,1.3,1.4,1.5,1.6,1.7,1.8,1.9,2.0,2.2,2.4,2.6,2.8,3.0,3.2,3.4,3.6,3.8,4.0,4.5,5.0,5.5,6.0,6.5,7.0,7.5,8.0,9.0,10.0,11.0,12.0,13.0,14.0,15.0,16.0,18.0, 20.,25.,30.,35.,40.,50};
+
+ //
+ // THnSparse track histograms
+ //
+
+ // TPC -> ITS matching efficiency
+ // eta:phi:pt:isPrim:charge:isMatch:isTPC
+ Int_t binsRecMCTrackHistTPCITS[7]= { 30, 90, ptNbins, 2, 3, 2, 2 };
+ Double_t minRecMCTrackHistTPCITS[7]={-1.5, 0., ptMin, 0., -1., 0., 0. };
+ Double_t maxRecMCTrackHistTPCITS[7]={ 1.5, 2.*TMath::Pi(), ptMax, 2., 2., 2., 2. };
+
+ fRecMCTrackHistTPCITS = new THnSparseF("fRecMCTrackHistTPCITS","eta:phi:pt:isPrim:charge:isMatch:isTPC",7,binsRecMCTrackHistTPCITS,minRecMCTrackHistTPCITS,maxRecMCTrackHistTPCITS);
+ fRecMCTrackHistTPCITS->SetBinEdges(2,binsPt);
+ fRecMCTrackHistTPCITS->GetAxis(0)->SetTitle("#eta");
+ fRecMCTrackHistTPCITS->GetAxis(1)->SetTitle("#phi (rad)");
+ fRecMCTrackHistTPCITS->GetAxis(2)->SetTitle("p_{T} (GeV/c)");
+ fRecMCTrackHistTPCITS->GetAxis(3)->SetTitle("isPrim");
+ fRecMCTrackHistTPCITS->GetAxis(4)->SetTitle("charge");
+ fRecMCTrackHistTPCITS->GetAxis(5)->SetTitle("isMatch");
+ fRecMCTrackHistTPCITS->GetAxis(6)->SetTitle("isTPC");
+ fRecMCTrackHistTPCITS->Sumw2();
+
+ // ITS -> TPC matching efficiency
+ // eta:phi:pt:isPrim:charge:isMatch
+ Int_t binsRecMCTrackHistITSTPC[6]= { 30, 90, ptNbins, 2, 3, 2 };
+ Double_t minRecMCTrackHistITSTPC[6]={-1.5, 0., ptMin, 0., -1., 0 };
+ Double_t maxRecMCTrackHistITSTPC[6]={ 1.5, 2.*TMath::Pi(), ptMax, 2., 2., 2.};
+
+ fRecMCTrackHistITSTPC = new THnSparseF("fRecMCTrackHistITSTPC","eta:phi:pt:isPrim:charge:isMatch",6,binsRecMCTrackHistITSTPC,minRecMCTrackHistITSTPC,maxRecMCTrackHistITSTPC);
+ fRecMCTrackHistITSTPC->SetBinEdges(2,binsPt);
+ fRecMCTrackHistITSTPC->GetAxis(0)->SetTitle("#eta");
+ fRecMCTrackHistITSTPC->GetAxis(1)->SetTitle("#phi (rad)");
+ fRecMCTrackHistITSTPC->GetAxis(2)->SetTitle("p_{T} (GeV/c)");
+ fRecMCTrackHistITSTPC->GetAxis(3)->SetTitle("isPrim");
+ fRecMCTrackHistITSTPC->GetAxis(4)->SetTitle("charge");
+ fRecMCTrackHistITSTPC->GetAxis(5)->SetTitle("isMatch");
+ fRecMCTrackHistITSTPC->Sumw2();
+
+ // init output folder
+ fAnalysisFolder = CreateFolder("folderdNdPt","Analysis dNdPt Folder");
+}
+
+//_____________________________________________________________________________
+void AlidNdPtEfficiency::Process(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent)
+{
+ //
+ // Process real and/or simulated events
+ //
+ if(!esdEvent) {
+ AliDebug(AliLog::kError, "esdEvent not available");
+ return;
+ }
+
+ // get selection cuts
+ AlidNdPtEventCuts *evtCuts = GetEventCuts();
+ AlidNdPtAcceptanceCuts *accCuts = GetAcceptanceCuts();
+ AliESDtrackCuts *esdTrackCuts = GetTrackCuts();
+
+ if(!evtCuts || !accCuts || !esdTrackCuts) {
+ AliDebug(AliLog::kError, "cuts not available");
+ return;
+ }
+
+
+
+ // trigger selection
+ Bool_t isEventTriggered = kTRUE;
+
+ // use MC information
+ AliHeader* header = 0;
+ AliGenEventHeader* genHeader = 0;
+ AliStack* stack = 0;
+ TArrayF vtxMC(3);
+
+ Int_t multMCTrueTracks = 0;
+ if(IsUseMCInfo())
+ {
+ //
+ if(!mcEvent) {
+ AliDebug(AliLog::kError, "mcEvent not available");
+ return;
+ }
+ // get MC event header
+ header = mcEvent->Header();
+ if (!header) {
+ AliDebug(AliLog::kError, "Header not available");
+ return;
+ }
+ // MC particle stack
+ stack = mcEvent->Stack();
+ if (!stack) {
+ AliDebug(AliLog::kError, "Stack not available");
+ return;
+ }
+
+ // get MC vertex
+ genHeader = header->GenEventHeader();
+ if (!genHeader) {
+ AliDebug(AliLog::kError, "Could not retrieve genHeader from Header");
+ return;
+ }
+ genHeader->PrimaryVertex(vtxMC);
+
+ // multipliticy of all MC primary tracks
+ // in Zv, pt and eta ranges)
+ multMCTrueTracks = AlidNdPtHelper::GetMCTrueTrackMult(mcEvent,evtCuts,accCuts);
+
+ } // end bUseMC
+
+ // get reconstructed vertex
+ const AliESDVertex* vtxESD = 0;
+ if(evtCuts->IsRecVertexRequired())
+ {
+ if(GetAnalysisMode() == AlidNdPtHelper::kTPC) {
+ vtxESD = esdEvent->GetPrimaryVertexTPC();
+ }
+ else if(GetAnalysisMode() == AlidNdPtHelper::kTPCITS) {
+ vtxESD = esdEvent->GetPrimaryVertexTracks();
+ }
+ else {
+ return;
+ }
+ }
+ Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD);
+ //printf("isEventOK %d, isEventTriggered %d \n",isEventOK, isEventTriggered);
+ //printf("GetAnalysisMode() %d \n",GetAnalysisMode());
+
+ TObjArray *allChargedTracks=0;
+ //printf("isEventOK %d, isEventTriggered %d \n",isEventOK,isEventTriggered);
+
+ // check event cuts
+ if(isEventOK && isEventTriggered)
+ {
+ // get all charged tracks
+ allChargedTracks = AlidNdPtHelper::GetAllChargedTracks(esdEvent,GetAnalysisMode());
+ if(!allChargedTracks) return;
+
+ Int_t entries = allChargedTracks->GetEntries();
+ Bool_t isTPC = kFALSE;
+ Bool_t isMatch = kFALSE;
+
+ // TPC -> ITS prolongation efficiency
+ for(Int_t iTrack=0; iTrack<entries;++iTrack)
+ {
+ AliESDtrack *track = (AliESDtrack*)allChargedTracks->At(iTrack);
+ if(!track) continue;
+
+ isTPC = kFALSE;
+
+ if(track->Charge()==0) continue;
+ if(!track->GetTPCInnerParam()) continue;
+ if(!(track->GetStatus()&AliESDtrack::kTPCrefit)) continue;
+
+ // check loose cuts for TPC tracks
+ if(!esdTrackCuts->AcceptTrack(track)) { continue; }
+
+ isTPC = kTRUE;
+ isMatch = kFALSE;
+ if( (track->GetStatus()&AliESDtrack::kITSrefit) &&
+ (track->HasPointOnITSLayer(0) || track->HasPointOnITSLayer(1)) )
+ {
+ isMatch = kTRUE;
+ }
+
+ //
+ FillHistograms(track, stack, isMatch, isTPC, kFALSE);
+ //if(tpcTrack) delete tpcTrack;
+ }
+
+ //
+ // ITS -> TPC prolongation efficiency
+ //
+ for(Int_t iTrack=0; iTrack<entries;++iTrack)
+ {
+ AliESDtrack *track = (AliESDtrack*)allChargedTracks->At(iTrack);
+ if(!track) continue;
+
+ //
+ // ITS stand alone tracks
+ //
+ if(!(track->GetStatus() & AliESDtrack::kITSpureSA)) continue;
+ if(!(track->GetStatus() & AliESDtrack::kITSrefit)) continue;
+ if(track->GetNcls(0)<4) continue;
+ if(!track->HasPointOnITSLayer(0) && !track->HasPointOnITSLayer(1)) continue;
+
+ // Check matching with TPC only track
+ for(Int_t jTrack=0; jTrack<entries;++jTrack)
+ {
+ isMatch = kFALSE;
+
+ if(iTrack==jTrack) continue;
+
+ AliESDtrack *track2 = (AliESDtrack*)allChargedTracks->At(jTrack);
+ if(!track2) continue;
+ if(track2->Charge()==0) continue;
+ if(!track2->GetTPCInnerParam()) continue;
+ if(!(track2->GetStatus() & AliESDtrack::kTPCrefit)) continue;
+
+ // Get TPC only tracks (must be deleted by user)
+ AliESDtrack* tpcTrack2 = AliESDtrackCuts::GetTPCOnlyTrack(esdEvent, jTrack);
+ if(!tpcTrack2) continue;
+ if(!tpcTrack2->RelateToVertex(vtxESD,esdEvent->GetMagneticField(),100.)) { delete tpcTrack2; continue; }
+
+ // check loose cuts for TPC tracks
+ if(!esdTrackCuts->AcceptTrack(tpcTrack2)) { delete tpcTrack2; continue; }
+
+ // check matching
+ if (TMath::Abs(track->GetY() - tpcTrack2->GetY()) > 3) { delete tpcTrack2; continue; }
+ if (TMath::Abs(track->GetSnp() - tpcTrack2->GetSnp()) > 0.2) { delete tpcTrack2; continue; }
+ if (TMath::Abs(track->GetTgl() - tpcTrack2->GetTgl()) > 0.2) { delete tpcTrack2; continue; }
+
+ isMatch = kTRUE;
+ if(tpcTrack2) {
+ delete tpcTrack2;
+ }
+ break;
+ }
+
+ //
+ FillHistograms(track, stack, isMatch, kFALSE, kTRUE);
+ }
+ }
+
+ if(allChargedTracks) delete allChargedTracks; allChargedTracks = 0;
+
+}
+
+//_____________________________________________________________________________
+void AlidNdPtEfficiency::FillHistograms(AliESDtrack *const esdTrack, AliStack *const stack, const Bool_t isMatch, const Bool_t isTPC, const Bool_t isITSTPC) const
+{
+ //
+ // Fill ESD track and MC histograms
+ //
+ if(!esdTrack) return;
+ Int_t charge = esdTrack->Charge();
+ if(charge == 0.) return;
+
+ Float_t pt = esdTrack->Pt();
+ Float_t eta = esdTrack->Eta();
+ Float_t phi = esdTrack->Phi();
+
+ //
+ // Fill rec vs MC information
+ //
+ Bool_t isPrim = kTRUE;
+
+ if(IsUseMCInfo()) {
+ if(!stack) return;
+ Int_t label = esdTrack->GetLabel();
+ if(label < 0.) return; // fake ITS track
+ TParticle* particle = stack->Particle(label);
+ if(!particle) return;
+ if(particle->GetPDG() && particle->GetPDG()->Charge()==0.) return;
+ isPrim = stack->IsPhysicalPrimary(label);
+ }
+
+ // fill histo
+ Double_t vRecMCTrackHist[6] = { eta,phi,pt,isPrim,charge,isMatch };
+ Double_t vRecMCTrackHistTPCITS[7] = { eta,phi,pt,isPrim,charge,isMatch,isTPC };
+
+ if(isITSTPC) {
+ fRecMCTrackHistITSTPC->Fill(vRecMCTrackHist);
+ }
+ else {
+ fRecMCTrackHistTPCITS->Fill(vRecMCTrackHistTPCITS);
+ }
+}
+
+//_____________________________________________________________________________
+Long64_t AlidNdPtEfficiency::Merge(TCollection* const list)
+{
+ // Merge list of objects (needed by PROOF)
+
+ if (!list)
+ return 0;
+
+ if (list->IsEmpty())
+ return 1;
+
+ TIterator* iter = list->MakeIterator();
+ TObject* obj = 0;
+
+ // collection of generated histograms
+ Int_t count=0;
+ while((obj = iter->Next()) != 0) {
+ AlidNdPtEfficiency* entry = dynamic_cast<AlidNdPtEfficiency*>(obj);
+ if (entry == 0) continue;
+
+ // track histo
+ fRecMCTrackHistTPCITS->Add(entry->fRecMCTrackHistTPCITS);
+ fRecMCTrackHistITSTPC->Add(entry->fRecMCTrackHistITSTPC);
+
+ count++;
+ }
+
+return count;
+}
+
+//_____________________________________________________________________________
+void AlidNdPtEfficiency::Analyse()
+{
+ //
+ // Analyse histograms
+ //
+ TH1::AddDirectory(kFALSE);
+ TObjArray *aFolderObj = new TObjArray;
+ if(!aFolderObj) return;
+
+ TH1D *h1Dall = 0;
+ TH1D *h1D = 0;
+ TH1D *h1Dc = 0;
+
+
+ //
+ // get cuts
+ //
+ AlidNdPtEventCuts *evtCuts = GetEventCuts();
+ AlidNdPtAcceptanceCuts *accCuts = GetAcceptanceCuts();
+ AliESDtrackCuts *esdTrackCuts = GetTrackCuts();
+
+ if(!evtCuts || !accCuts || !esdTrackCuts) {
+ Error("AlidNdPtEfficiency::Analyse()", "cuts not available");
+ return;
+ }
+
+ //
+ // TPC->ITS efficiency
+ //
+
+ //eff vs eta
+ fRecMCTrackHistTPCITS->GetAxis(6)->SetRange(2,2);
+ h1Dall = (TH1D *)fRecMCTrackHistTPCITS->Projection(0);
+ if(!h1Dall) return;
+ fRecMCTrackHistTPCITS->GetAxis(5)->SetRange(2,2);
+ h1D = (TH1D *)fRecMCTrackHistTPCITS->Projection(0);
+ if(!h1D) return;
+
+ h1Dc = (TH1D *)h1D->Clone("eff_vs_eta_TPCITS");
+ h1Dc->Divide(h1Dall);
+ aFolderObj->Add(h1Dc);
+ fRecMCTrackHistTPCITS->GetAxis(5)->SetRange(1,2);
+ fRecMCTrackHistTPCITS->GetAxis(6)->SetRange(1,2);
+
+ //eff vs phi
+ fRecMCTrackHistTPCITS->GetAxis(6)->SetRange(2,2);
+ fRecMCTrackHistTPCITS->GetAxis(0)->SetRangeUser(-0.8, 0.799);
+ h1Dall = (TH1D *)fRecMCTrackHistTPCITS->Projection(1);
+ if(!h1Dall) return;
+ fRecMCTrackHistTPCITS->GetAxis(5)->SetRange(2,2);
+ h1D = (TH1D *)fRecMCTrackHistTPCITS->Projection(1);
+ if(!h1D) return;
+
+ h1Dc = (TH1D *)h1D->Clone("eff_vs_phi_TPCITS");
+ h1Dc->Divide(h1Dall);
+ aFolderObj->Add(h1Dc);
+ fRecMCTrackHistTPCITS->GetAxis(5)->SetRange(1,2);
+ fRecMCTrackHistTPCITS->GetAxis(6)->SetRange(1,2);
+
+ //eff vs pT
+ fRecMCTrackHistTPCITS->GetAxis(6)->SetRange(2,2);
+ fRecMCTrackHistTPCITS->GetAxis(0)->SetRangeUser(-0.8, 0.799);
+ h1Dall = (TH1D *)fRecMCTrackHistTPCITS->Projection(2);
+ if(!h1Dall) return;
+ fRecMCTrackHistTPCITS->GetAxis(5)->SetRange(2,2);
+ h1D = (TH1D *)fRecMCTrackHistTPCITS->Projection(2);
+ if(!h1D) return;
+
+ h1Dc = (TH1D *)h1D->Clone("eff_vs_pT_TPCITS");
+ h1Dc->Divide(h1Dall);
+ aFolderObj->Add(h1Dc);
+ fRecMCTrackHistTPCITS->GetAxis(5)->SetRange(1,2);
+ fRecMCTrackHistTPCITS->GetAxis(6)->SetRange(1,2);
+
+
+ //
+ // ITS->TPC efficiency
+ //
+
+ fRecMCTrackHistITSTPC->GetAxis(0)->SetRangeUser(-1.5, 1.499);
+ fRecMCTrackHistITSTPC->GetAxis(5)->SetRange(1,2);
+
+ //eff vs eta
+ h1Dall = (TH1D *)fRecMCTrackHistITSTPC->Projection(0);
+ if(!h1Dall) return;
+ fRecMCTrackHistITSTPC->GetAxis(5)->SetRange(2,2);
+ h1D = (TH1D *)fRecMCTrackHistITSTPC->Projection(0);
+ if(!h1D) return;
+
+ h1Dc = (TH1D *)h1D->Clone("eff_vs_eta_ITSTPC");
+ h1Dc->Divide(h1Dall);
+ aFolderObj->Add(h1Dc);
+ fRecMCTrackHistITSTPC->GetAxis(5)->SetRange(1,2);
+
+ //eff vs phi
+ fRecMCTrackHistITSTPC->GetAxis(0)->SetRangeUser(-0.8, 0.799);
+ h1Dall = (TH1D *)fRecMCTrackHistITSTPC->Projection(1);
+ if(!h1Dall) return;
+ fRecMCTrackHistITSTPC->GetAxis(5)->SetRange(2,2);
+ h1D = (TH1D *)fRecMCTrackHistITSTPC->Projection(1);
+ if(!h1D) return;
+
+ h1Dc = (TH1D *)h1D->Clone("eff_vs_phi_ITSTPC");
+ h1Dc->Divide(h1Dall);
+ aFolderObj->Add(h1Dc);
+ fRecMCTrackHistITSTPC->GetAxis(5)->SetRange(1,2);
+
+ //eff vs pT
+ fRecMCTrackHistITSTPC->GetAxis(0)->SetRangeUser(-0.8, 0.799);
+ h1Dall = (TH1D *)fRecMCTrackHistITSTPC->Projection(2);
+ if(!h1Dall) return;
+ fRecMCTrackHistITSTPC->GetAxis(5)->SetRange(2,2);
+ h1D = (TH1D *)fRecMCTrackHistITSTPC->Projection(2);
+ if(!h1D) return;
+
+ h1Dc = (TH1D *)h1D->Clone("eff_vs_pT_ITSTPC");
+ h1Dc->Divide(h1Dall);
+ aFolderObj->Add(h1Dc);
+ fRecMCTrackHistITSTPC->GetAxis(5)->SetRange(1,2);
+
+ // export objects to analysis folder
+ fAnalysisFolder = ExportToFolder(aFolderObj);
+ if(!fAnalysisFolder) {
+ if(aFolderObj) delete aFolderObj;
+ return;
+ }
+
+ // delete only TObjArray
+ if(aFolderObj) delete aFolderObj;
+}
+
+//_____________________________________________________________________________
+TFolder* AlidNdPtEfficiency::ExportToFolder(TObjArray * const array)
+{
+ // recreate folder avery time and export objects to new one
+ //
+ AlidNdPtEfficiency * comp=this;
+ TFolder *folder = comp->GetAnalysisFolder();
+
+ TString name, title;
+ TFolder *newFolder = 0;
+ Int_t i = 0;
+ Int_t size = array->GetSize();
+
+ if(folder) {
+ // get name and title from old folder
+ name = folder->GetName();
+ title = folder->GetTitle();
+
+ // delete old one
+ delete folder;
+
+ // create new one
+ newFolder = CreateFolder(name.Data(),title.Data());
+ newFolder->SetOwner();
+
+ // add objects to folder
+ while(i < size) {
+ newFolder->Add(array->At(i));
+ i++;
+ }
+ }
+
+return newFolder;
+}
+
+//_____________________________________________________________________________
+TFolder* AlidNdPtEfficiency::CreateFolder(TString name,TString title) {
+// create folder for analysed histograms
+//
+TFolder *folder = 0;
+ folder = new TFolder(name.Data(),title.Data());
+
+ return folder;
+}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff