1 /**************************************************************************
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2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
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4 * Author: The ALICE Off-line Project. *
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5 * Contributors are mentioned in the code where appropriate. *
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7 * Permission to use, copy, modify and distribute this software and its *
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8 * documentation strictly for non-commercial purposes is hereby granted *
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9 * without fee, provided that the above copyright notice appears in all *
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10 * copies and that both the copyright notice and this permission notice *
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11 * appear in the supporting documentation. The authors make no claims *
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12 * about the suitability of this software for any purpose. It is *
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13 * provided "as is" without express or implied warranty. *
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14 **************************************************************************/
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23 #include "AliHeader.h"
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24 #include "AliGenEventHeader.h"
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25 #include "AliStack.h"
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26 #include "AliESDEvent.h"
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27 #include "AliMCEvent.h"
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28 #include "AliESDtrackCuts.h"
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29 #include "AliLog.h"
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31 #include "AlidNdPtEventCuts.h"
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32 #include "AlidNdPtAcceptanceCuts.h"
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34 #include "AliPWG0Helper.h"
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35 #include "AlidNdPtHelper.h"
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36 #include "AlidNdPtCutAnalysis.h"
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38 using namespace std;
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40 ClassImp(AlidNdPtCutAnalysis)
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42 //_____________________________________________________________________________
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43 AlidNdPtCutAnalysis::AlidNdPtCutAnalysis(): AlidNdPt(),
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50 // default constructor
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54 //_____________________________________________________________________________
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55 AlidNdPtCutAnalysis::AlidNdPtCutAnalysis(Char_t* name, Char_t* title): AlidNdPt(name,title),
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66 //_____________________________________________________________________________
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67 AlidNdPtCutAnalysis::~AlidNdPtCutAnalysis() {
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69 if(fRecEventHist) delete fRecEventHist; fRecEventHist=0;
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70 if(fMCEventHist) delete fMCEventHist; fMCEventHist=0;
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71 if(fRecMCEventHist) delete fRecMCEventHist; fRecMCEventHist=0;
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72 if(fRecMCTrackHist) delete fRecMCTrackHist; fRecMCTrackHist=0;
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74 if(fAnalysisFolder) delete fAnalysisFolder; fAnalysisFolder=0;
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77 //_____________________________________________________________________________
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78 void AlidNdPtCutAnalysis::Init(){
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82 const Int_t ptNbins = 56;
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83 const Double_t ptMin = 0.;
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84 const Double_t ptMax = 16.;
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86 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};
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88 //Xv:Yv:Zv:ResZv:Mult
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89 Int_t binsRecEventHist[5]={100,100,140,100,150};
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90 Double_t minRecEventHist[5]={-3.,-3.,-35.,0.,0.};
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91 Double_t maxRecEventHist[5]={3.,3.,35.,10.,150.};
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92 fRecEventHist = new THnSparseF("fRecEventHist","Xv:Yv:Zv:ResZv:Mult",5,binsRecEventHist,minRecEventHist,maxRecEventHist);
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93 fRecEventHist->GetAxis(0)->SetTitle("Xv (cm)");
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94 fRecEventHist->GetAxis(1)->SetTitle("Yv (cm)");
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95 fRecEventHist->GetAxis(2)->SetTitle("Zv (cm)");
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96 fRecEventHist->GetAxis(3)->SetTitle("ResZv (cm)");
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97 fRecEventHist->GetAxis(4)->SetTitle("Mult");
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98 fRecEventHist->Sumw2();
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101 Int_t binsMCEventHist[3]={100,100,140};
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102 Double_t minMCEventHist[3]={-0.1,-0.1,-35.};
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103 Double_t maxMCEventHist[3]={0.1,0.1,35.};
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104 fMCEventHist = new THnSparseF("fMCEventHist","mcXv:mcYv:mcZv",3,binsMCEventHist,minMCEventHist,maxMCEventHist);
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105 fMCEventHist->GetAxis(0)->SetTitle("mcXv (cm)");
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106 fMCEventHist->GetAxis(1)->SetTitle("mcYv (cm)");
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107 fMCEventHist->GetAxis(2)->SetTitle("mcZv (cm)");
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108 fMCEventHist->Sumw2();
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110 //Xv-mcXv:Yv-mcYv:Zv-mcZv:Mult
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111 Int_t binsRecMCEventHist[4]={100,100,100,150};
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112 Double_t minRecMCEventHist[4]={-10.0,-10.0,-10.0,0.};
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113 Double_t maxRecMCEventHist[4]={10.0,10.0,10.0,150.};
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114 fRecMCEventHist = new THnSparseF("fRecMCEventHist","mcXv-Xv:mcYv-Yv:mcZv-Zv:Mult",4,binsRecMCEventHist,minRecMCEventHist,maxRecMCEventHist);
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115 fRecMCEventHist->GetAxis(0)->SetTitle("mcXv-Xv (cm)");
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116 fRecMCEventHist->GetAxis(1)->SetTitle("mcYv-Yv (cm)");
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117 fRecMCEventHist->GetAxis(2)->SetTitle("mcZv-Zv (cm)");
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118 fRecMCEventHist->GetAxis(3)->SetTitle("Mult");
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119 fRecMCEventHist->Sumw2();
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122 // THnSparse track histograms
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125 //nClust:chi2PerClust:nClust/nFindableClust:DCAy:DCAz:eta:phi:pt:isKink:isPrim
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126 Int_t binsRecMCTrackHist[10]={160,100,100,100,100,30,90,ptNbins, 2,2};
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127 Double_t minRecMCTrackHist[10]={0., 0., 0., -10.,-10.,-1.5, 0., ptMin, 0., 0.};
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128 Double_t maxRecMCTrackHist[10]={160.,10.,1.2, 10.,10.,1.5, 2.*TMath::Pi(), ptMax, 2.,2.};
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130 fRecMCTrackHist = new THnSparseF("fRecMCTrackHist","nClust:chi2PerClust:nClust/nFindableClust:DCAy:DCAz:eta:phi:pt:isKink:isPrim",10,binsRecMCTrackHist,minRecMCTrackHist,maxRecMCTrackHist);
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131 fRecMCTrackHist->SetBinEdges(7,binsPt);
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133 fRecMCTrackHist->GetAxis(0)->SetTitle("nClust");
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134 fRecMCTrackHist->GetAxis(1)->SetTitle("chi2PerClust");
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135 fRecMCTrackHist->GetAxis(2)->SetTitle("nClust/nFindableClust");
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136 fRecMCTrackHist->GetAxis(3)->SetTitle("DCAy (cm)");
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137 fRecMCTrackHist->GetAxis(4)->SetTitle("DCAz (cm)");
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138 fRecMCTrackHist->GetAxis(5)->SetTitle("#eta");
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139 fRecMCTrackHist->GetAxis(6)->SetTitle("#phi (rad)");
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140 fRecMCTrackHist->GetAxis(7)->SetTitle("p_{T} (GeV/c)");
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141 fRecMCTrackHist->GetAxis(8)->SetTitle("isKink");
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142 fRecMCTrackHist->GetAxis(9)->SetTitle("isPrim");
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143 fRecMCTrackHist->Sumw2();
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145 // init output folder
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146 fAnalysisFolder = CreateFolder("folderdNdPt","Analysis dNdPt Folder");
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150 //_____________________________________________________________________________
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151 void AlidNdPtCutAnalysis::Process(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent)
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154 // Process real and/or simulated events
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157 AliDebug(AliLog::kError, "esdEvent not available");
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161 // get selection cuts
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162 AlidNdPtEventCuts *evtCuts = GetEventCuts();
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163 AlidNdPtAcceptanceCuts *accCuts = GetAcceptanceCuts();
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164 AliESDtrackCuts *esdTrackCuts = GetTrackCuts();
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166 if(!evtCuts || !accCuts || !esdTrackCuts) {
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167 AliDebug(AliLog::kError, "cuts not available");
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171 // trigger selection
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172 Bool_t isEventTriggered = kTRUE;
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173 if(evtCuts->IsTriggerRequired()) {
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174 static AliTriggerAnalysis* triggerAnalysis = new AliTriggerAnalysis;
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175 isEventTriggered = triggerAnalysis->IsTriggerFired(esdEvent, GetTrigger());
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178 // use MC information
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179 AliHeader* header = 0;
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180 AliGenEventHeader* genHeader = 0;
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181 AliStack* stack = 0;
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183 //AlidNdPtHelper::MCProcessType evtType = AlidNdPtHelper::kInvalidProcess;
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184 AliPWG0Helper::MCProcessType evtType = AliPWG0Helper::kInvalidProcess;
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189 AliDebug(AliLog::kError, "mcEvent not available");
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193 // get MC event header
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194 header = mcEvent->Header();
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196 AliDebug(AliLog::kError, "Header not available");
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200 // MC particle stack
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201 stack = mcEvent->Stack();
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203 AliDebug(AliLog::kError, "Stack not available");
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207 // get event type (ND=0x1, DD=0x2, SD=0x4)
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208 evtType = AliPWG0Helper::GetEventProcessType(header);
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209 AliDebug(AliLog::kDebug+1, Form("Found process type %d", evtType));
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212 genHeader = header->GenEventHeader();
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214 AliDebug(AliLog::kError, "Could not retrieve genHeader from Header");
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217 genHeader->PrimaryVertex(vtxMC);
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219 // Fill MC event histogram
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220 Double_t vMCEventHist[3]={vtxMC[0],vtxMC[1],vtxMC[2]};
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221 fMCEventHist->Fill(vMCEventHist);
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225 // get reconstructed vertex
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226 Bool_t bRedoTPCVertex = evtCuts->IsRedoTPCVertex();
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227 Bool_t bUseConstraints = evtCuts->IsUseBeamSpotConstraint();
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228 const AliESDVertex* vtxESD = AlidNdPtHelper::GetVertex(esdEvent,evtCuts,accCuts,esdTrackCuts,GetAnalysisMode(),kFALSE,bRedoTPCVertex,bUseConstraints);
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229 if(!vtxESD) return;
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231 Bool_t isRecVertex = AlidNdPtHelper::TestRecVertex(vtxESD, GetAnalysisMode(), kFALSE);
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232 Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD) && isRecVertex;
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234 TObjArray *allChargedTracks=0;
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237 // check event cuts
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238 if(isEventOK && isEventTriggered)
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240 // get all charged tracks
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241 allChargedTracks = AlidNdPtHelper::GetAllChargedTracks(esdEvent,GetAnalysisMode());
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242 if(!allChargedTracks) return;
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244 Int_t entries = allChargedTracks->GetEntries();
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245 for(Int_t i=0; i<entries;++i)
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247 AliESDtrack *track = (AliESDtrack*)allChargedTracks->At(i);
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248 if(!track) continue;
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250 FillHistograms(track, stack);
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254 Double_t vRecEventHist[5] = {vtxESD->GetXv(),vtxESD->GetYv(),vtxESD->GetZv(),vtxESD->GetZRes(),multAll};
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255 fRecEventHist->Fill(vRecEventHist);
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257 if(IsUseMCInfo()) {
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258 Double_t vRecMCEventHist[5] = {vtxESD->GetXv()-vtxMC[0],vtxESD->GetYv()-vtxMC[1],vtxESD->GetZv()-vtxMC[2],multAll};
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259 fRecMCEventHist->Fill(vRecMCEventHist);
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263 if(allChargedTracks) delete allChargedTracks; allChargedTracks = 0;
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266 //_____________________________________________________________________________
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267 void AlidNdPtCutAnalysis::FillHistograms(AliESDtrack *const esdTrack, AliStack *const stack)
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270 // Fill ESD track and MC histograms
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272 if(!esdTrack) return;
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273 if(esdTrack->Charge() == 0.) return;
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275 Float_t pt = esdTrack->Pt();
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276 Float_t eta = esdTrack->Eta();
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277 Float_t phi = esdTrack->Phi();
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278 Int_t nClust = esdTrack->GetTPCclusters(0);
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279 Int_t nFindableClust = esdTrack->GetTPCNclsF();
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281 Float_t chi2PerCluster = 0.;
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282 if(nClust>0.) chi2PerCluster = esdTrack->GetTPCchi2()/Float_t(nClust);
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284 Float_t clustPerFindClust = 0.;
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285 if(nFindableClust>0.) clustPerFindClust = Float_t(nClust)/nFindableClust;
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287 Float_t b[2], bCov[3];
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288 esdTrack->GetImpactParameters(b,bCov);
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291 Bool_t isKink = kFALSE;
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292 if(esdTrack->GetKinkIndex(0)>0) isKink=kTRUE;
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295 // Fill rec vs MC information
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298 Bool_t isPrim = kTRUE;
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300 if(IsUseMCInfo()) {
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302 Int_t label = TMath::Abs(esdTrack->GetLabel());
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303 TParticle* particle = stack->Particle(label);
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304 if(!particle) return;
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305 if(particle->GetPDG() && particle->GetPDG()->Charge()==0.) return;
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306 isPrim = stack->IsPhysicalPrimary(label);
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310 Double_t vRecMCTrackHist[10] = {nClust,chi2PerCluster,clustPerFindClust,b[0],b[1],eta,phi,pt,isKink,isPrim};
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311 fRecMCTrackHist->Fill(vRecMCTrackHist);
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314 //_____________________________________________________________________________
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315 Long64_t AlidNdPtCutAnalysis::Merge(TCollection* list)
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317 // Merge list of objects (needed by PROOF)
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322 if (list->IsEmpty())
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325 TIterator* iter = list->MakeIterator();
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328 // collection of generated histograms
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330 while((obj = iter->Next()) != 0) {
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331 AlidNdPtCutAnalysis* entry = dynamic_cast<AlidNdPtCutAnalysis*>(obj);
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332 if (entry == 0) continue;
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335 fRecEventHist->Add(entry->fRecEventHist);
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336 fRecMCEventHist->Add(entry->fRecMCEventHist);
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337 fMCEventHist->Add(entry->fMCEventHist);
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340 fRecMCTrackHist->Add(entry->fRecMCTrackHist);
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348 //_____________________________________________________________________________
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349 void AlidNdPtCutAnalysis::Analyse()
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352 // Analyse histograms
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354 TH1::AddDirectory(kFALSE);
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355 TObjArray *aFolderObj = new TObjArray;
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363 AlidNdPtEventCuts *evtCuts = GetEventCuts();
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364 AlidNdPtAcceptanceCuts *accCuts = GetAcceptanceCuts();
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365 AliESDtrackCuts *esdTrackCuts = GetTrackCuts();
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367 if(!evtCuts || !accCuts || !esdTrackCuts) {
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368 Error("AlidNdPtCutAnalysis::Analyse()", "cuts not available");
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373 // set min and max values
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375 Double_t minPt = accCuts->GetMinPt();
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376 Double_t maxPt = accCuts->GetMaxPt();
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377 Double_t minEta = accCuts->GetMinEta();
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378 Double_t maxEta = accCuts->GetMaxEta()-0.00001;
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380 Double_t maxDCAr = accCuts->GetMaxDCAr();
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383 // Create rec. event histograms
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385 h2D = (TH2D *)fRecEventHist->Projection(0,1);
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386 h2D->SetName("rec_xv_vs_yv");
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387 aFolderObj->Add(h2D);
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389 h2D = (TH2D *)fRecEventHist->Projection(0,2);
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390 h2D->SetName("rec_xv_vs_zv");
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391 aFolderObj->Add(h2D);
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393 h2D = (TH2D *)fRecEventHist->Projection(3,4);
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394 h2D->SetName("rec_resZv_vs_Mult");
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395 aFolderObj->Add(h2D);
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401 if(IsUseMCInfo()) {
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404 // Create mc event histograms
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406 h2D = (TH2D *)fMCEventHist->Projection(0,1);
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407 h2D->SetName("mc_xv_vs_yv");
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408 aFolderObj->Add(h2D);
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410 h2D = (TH2D *)fMCEventHist->Projection(0,2);
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411 h2D->SetName("mc_xv_vs_zv");
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412 aFolderObj->Add(h2D);
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415 // Create rec-mc event histograms
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417 h2D = (TH2D *)fRecMCEventHist->Projection(0,3);
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418 h2D->SetName("rec_mc_deltaXv_vs_mult");
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419 aFolderObj->Add(h2D);
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421 h2D = (TH2D *)fRecMCEventHist->Projection(1,3);
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422 h2D->SetName("rec_mc_deltaYv_vs_mult");
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423 aFolderObj->Add(h2D);
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425 h2D = (TH2D *)fRecMCEventHist->Projection(2,3);
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426 h2D->SetName("rec_mc_deltaZv_vs_mult");
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427 aFolderObj->Add(h2D);
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429 } // end use MC info
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434 // Create rec-mc track track histograms
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438 fRecMCTrackHist->GetAxis(3)->SetRangeUser(-maxDCAr,maxDCAr);
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439 fRecMCTrackHist->GetAxis(4)->SetRangeUser(-maxDCAr,maxDCAr);
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441 h2D = (TH2D *)fRecMCTrackHist->Projection(7,5);
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442 h2D->SetName("pt_vs_eta");
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443 aFolderObj->Add(h2D);
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445 fRecMCTrackHist->GetAxis(7)->SetRangeUser(minPt,maxPt);
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447 h2D = (TH2D *)fRecMCTrackHist->Projection(0,5);
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448 h2D->SetName("nClust_vs_eta");
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449 aFolderObj->Add(h2D);
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451 h2D = (TH2D *)fRecMCTrackHist->Projection(1,5);
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452 h2D->SetName("chi2PerClust_vs_eta");
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453 aFolderObj->Add(h2D);
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455 h2D = (TH2D *)fRecMCTrackHist->Projection(2,5);
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456 h2D->SetName("ratio_nClust_nFindableClust_vs_eta");
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457 aFolderObj->Add(h2D);
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460 fRecMCTrackHist->GetAxis(7)->SetRangeUser(minEta,maxEta);
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462 h2D = (TH2D *)fRecMCTrackHist->Projection(0,6);
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463 h2D->SetName("nClust_vs_phi");
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464 aFolderObj->Add(h2D);
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466 h2D = (TH2D *)fRecMCTrackHist->Projection(1,6);
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467 h2D->SetName("chi2PerClust_vs_phi");
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468 aFolderObj->Add(h2D);
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470 h2D = (TH2D *)fRecMCTrackHist->Projection(2,6);
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471 h2D->SetName("ratio_nClust_nFindableClust_vs_phi");
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472 aFolderObj->Add(h2D);
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474 h2D = (TH2D *)fRecMCTrackHist->Projection(5,6);
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475 h2D->SetName("eta_vs_phi");
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476 aFolderObj->Add(h2D);
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479 fRecMCTrackHist->GetAxis(7)->SetRangeUser(0.0,maxPt);
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481 h2D = (TH2D *)fRecMCTrackHist->Projection(0,7);
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482 h2D->SetName("nClust_vs_pt");
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483 aFolderObj->Add(h2D);
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485 h2D = (TH2D *)fRecMCTrackHist->Projection(1,7);
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486 h2D->SetName("chi2PerClust_vs_pt");
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487 aFolderObj->Add(h2D);
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489 h2D = (TH2D *)fRecMCTrackHist->Projection(2,7);
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490 h2D->SetName("ratio_nClust_nFindableClust_vs_pt");
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491 aFolderObj->Add(h2D);
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493 h2D = (TH2D *)fRecMCTrackHist->Projection(6,7);
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494 h2D->SetName("phi_vs_pt");
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495 aFolderObj->Add(h2D);
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499 fRecMCTrackHist->GetAxis(5)->SetRangeUser(minEta,maxEta);
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500 fRecMCTrackHist->GetAxis(7)->SetRangeUser(minPt,maxPt);
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503 fRecMCTrackHist->GetAxis(3)->SetRangeUser(-maxDCAr,maxDCAr);
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504 fRecMCTrackHist->GetAxis(4)->SetRangeUser(-maxDCAr,maxDCAr);
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506 h2D = (TH2D *)fRecMCTrackHist->Projection(0,1);
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507 h2D->SetName("nClust_vs_chi2PerClust");
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508 aFolderObj->Add(h2D);
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510 h2D = (TH2D *)fRecMCTrackHist->Projection(0,2);
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511 h2D->SetName("nClust_vs_ratio_nClust_nFindableClust");
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512 aFolderObj->Add(h2D);
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515 fRecMCTrackHist->GetAxis(3)->SetRange(1,fRecMCTrackHist->GetAxis(3)->GetNbins());
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516 fRecMCTrackHist->GetAxis(4)->SetRangeUser(-1.0,1.0);
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519 fRecMCTrackHist->GetAxis(9)->SetRange(1,1);
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520 h1D = (TH1D *)fRecMCTrackHist->Projection(3);
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521 h1D->SetName("dcay_sec");
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522 aFolderObj->Add(h1D);
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525 fRecMCTrackHist->GetAxis(9)->SetRange(2,2);
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526 h1D = (TH1D *)fRecMCTrackHist->Projection(3);
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527 h1D->SetName("dcay_prim");
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528 aFolderObj->Add(h1D);
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531 fRecMCTrackHist->GetAxis(3)->SetRangeUser(-1.0,1.0);
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532 fRecMCTrackHist->GetAxis(4)->SetRange(1,fRecMCTrackHist->GetAxis(4)->GetNbins());
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535 fRecMCTrackHist->GetAxis(9)->SetRange(1,1);
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536 h1D = (TH1D *)fRecMCTrackHist->Projection(4);
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537 h1D->SetName("dcaz_sec");
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538 aFolderObj->Add(h1D);
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541 fRecMCTrackHist->GetAxis(9)->SetRange(2,2);
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542 h1D = (TH1D *)fRecMCTrackHist->Projection(4);
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543 h1D->SetName("dcaz_prim");
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544 aFolderObj->Add(h1D);
\r
547 // export objects to analysis folder
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548 fAnalysisFolder = ExportToFolder(aFolderObj);
\r
550 // delete only TObjArray
\r
551 if(aFolderObj) delete aFolderObj;
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554 //_____________________________________________________________________________
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555 TFolder* AlidNdPtCutAnalysis::ExportToFolder(TObjArray * array)
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557 // recreate folder avery time and export objects to new one
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559 AlidNdPtCutAnalysis * comp=this;
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560 TFolder *folder = comp->GetAnalysisFolder();
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562 TString name, title;
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563 TFolder *newFolder = 0;
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565 Int_t size = array->GetSize();
\r
568 // get name and title from old folder
\r
569 name = folder->GetName();
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570 title = folder->GetTitle();
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576 newFolder = CreateFolder(name.Data(),title.Data());
\r
577 newFolder->SetOwner();
\r
579 // add objects to folder
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581 newFolder->Add(array->At(i));
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589 //_____________________________________________________________________________
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590 TFolder* AlidNdPtCutAnalysis::CreateFolder(TString name,TString title) {
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591 // create folder for analysed histograms
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593 TFolder *folder = 0;
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594 folder = new TFolder(name.Data(),title.Data());
\r