PWGLF/SPECTRA/PiKaPr/TestAOD/AliAnalysisTaskSpectraAllChAOD.cxx

   1 /**************************************************************************\r
   2  * Copyright(c) 1998-2009, ALICE Experiment at CERN, All rights reserved. *\r
   3  *                                                                        *\r
   4  * Author: The ALICE Off-line Project.                                    *\r
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  10  * copies and that both the copyright notice and this permission notice   *\r
  11  * appear in the supporting documentation. The authors make no claims     *\r
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  13  * provided "as is" without express or implied warranty.                  *\r
  14  **************************************************************************/\r
  15 \r
  16 //-----------------------------------------------------------------\r
  17 //         AliAnalysisTaskSpectraAllChAOD class\r
  18 //-----------------------------------------------------------------\r
  19 \r
  20 #include "TChain.h"\r
  21 #include "TTree.h"\r
  22 #include "TLegend.h"\r
  23 #include "TH1F.h"\r
  24 #include "TH2F.h"\r
  25 #include "THnSparse.h"\r
  26 #include "TCanvas.h"\r
  27 #include "AliAnalysisTask.h"\r
  28 #include "AliAODTrack.h"\r
  29 #include "AliAODMCParticle.h"\r
  30 #include "AliVParticle.h"\r
  31 #include "AliAODEvent.h"\r
  32 #include "AliAODInputHandler.h"\r
  33 #include "AliAnalysisTaskSpectraAllChAOD.h"\r
  34 #include "AliAnalysisTaskESDfilter.h"\r
  35 #include "AliAnalysisDataContainer.h"\r
  36 #include "AliSpectraAODTrackCuts.h"\r
  37 #include "AliSpectraAODEventCuts.h"\r
  38 #include "AliHelperPID.h"\r
  39 #include "AliPIDCombined.h"\r
  40 #include "AliCentrality.h"\r
  41 #include "TProof.h"\r
  42 #include "AliVEvent.h"\r
  43 #include "AliStack.h"\r
  44 #include <TMCProcess.h>\r
  45 \r
  46 #include <iostream>\r
  47 \r
  48 using namespace AliHelperPIDNameSpace;\r
  49 using namespace std;\r
  50 \r
  51 ClassImp(AliAnalysisTaskSpectraAllChAOD)\r
  52 \r
  53 //________________________________________________________________________\r
  54 AliAnalysisTaskSpectraAllChAOD::AliAnalysisTaskSpectraAllChAOD(const char *name) : AliAnalysisTaskSE(name),  \r
  55   fAOD(0x0),\r
  56   fTrackCuts(0x0),\r
  57   fEventCuts(0x0),\r
  58   fHelperPID(0x0),\r
  59   fIsMC(0),\r
  60   fCharge(0),\r
  61   fVZEROside(0),\r
  62   fOutput(0x0),\r
  63   fnCentBins(20),\r
  64   fnQvecBins(50)\r
  65 {\r
  66   // Default constructor\r
  67   DefineInput(0, TChain::Class());\r
  68   DefineOutput(1, TList::Class());\r
  69   DefineOutput(2, AliSpectraAODEventCuts::Class());\r
  70   DefineOutput(3, AliSpectraAODTrackCuts::Class());\r
  71   DefineOutput(4, AliHelperPID::Class());\r
  72 }\r
  73 \r
  74 //________________________________________________________________________\r
  75 void AliAnalysisTaskSpectraAllChAOD::UserCreateOutputObjects()\r
  76 {\r
  77   // create output objects\r
  78   fOutput=new TList();\r
  79   fOutput->SetOwner();\r
  80   fOutput->SetName("fOutput");\r
  81   \r
  82   if (!fTrackCuts) AliFatal("Track Cuts should be set in the steering macro");\r
  83   if (!fEventCuts) AliFatal("Event Cuts should be set in the steering macro");\r
  84   if (!fHelperPID)  AliFatal("HelperPID should be set in the steering macro");\r
  85   \r
  86   // binning common to all the THn\r
  87   const Double_t ptBins[] = {0.20,0.30,0.4,0.5,0.6,0.7,0.8,0.9,1.0,1.2,1.4,1.6,1.8,2.0,2.4,2.8,3.2,3.6,4.0,5.0,6.0,7.0,8.0,9.0,10.,12.,15.};\r
  88   const Int_t nptBins=26;\r
  89   \r
  90   //dimensions of THnSparse for tracks\r
  91   const Int_t nvartrk=8;\r
  92   //                                             pt          cent        Q vec     IDrec     IDgen       isph           iswd      y\r
  93   Int_t    binsHistRealTrk[nvartrk] = {      nptBins, fnCentBins,   fnQvecBins,        3,        3,         2,          2,       2};\r
  94   Double_t xminHistRealTrk[nvartrk] = {         0.,          0.,            0.,     -0.5,      -0.5,      -0.5,        -0.5,   -0.5};\r
  95   Double_t xmaxHistRealTrk[nvartrk] = {       10.,       100.,          10.,      2.5,      2.5,       1.5,         1.5,     0.5};    \r
  96   THnSparseF* NSparseHistTrk = new THnSparseF("NSparseHistTrk","NSparseHistTrk",nvartrk,binsHistRealTrk,xminHistRealTrk,xmaxHistRealTrk);\r
  97   NSparseHistTrk->GetAxis(0)->SetTitle("#it{p}_{T,rec}");\r
  98   NSparseHistTrk->GetAxis(0)->SetName("pT_rec");\r
  99   NSparseHistTrk->SetBinEdges(0,ptBins);\r
 100   NSparseHistTrk->GetAxis(1)->SetTitle(Form("%s cent",fEventCuts->GetCentralityMethod().Data()));\r
 101   NSparseHistTrk->GetAxis(1)->SetName(Form("%s_cent",fEventCuts->GetCentralityMethod().Data()));\r
 102   NSparseHistTrk->GetAxis(2)->SetTitle("Q vec");\r
 103   NSparseHistTrk->GetAxis(2)->SetName("Q_vec");\r
 104   NSparseHistTrk->GetAxis(3)->SetTitle("ID rec");\r
 105   NSparseHistTrk->GetAxis(3)->SetName("ID_rec");\r
 106   NSparseHistTrk->GetAxis(4)->SetTitle("ID gen");\r
 107   NSparseHistTrk->GetAxis(4)->SetName("ID_gen");\r
 108   NSparseHistTrk->GetAxis(5)->SetTitle("isph");\r
 109   NSparseHistTrk->GetAxis(5)->SetName("isph");\r
 110   NSparseHistTrk->GetAxis(6)->SetTitle("iswd");\r
 111   NSparseHistTrk->GetAxis(6)->SetName("iswd");\r
 112   NSparseHistTrk->GetAxis(7)->SetTitle("y");\r
 113   NSparseHistTrk->GetAxis(7)->SetName("y");\r
 114   fOutput->Add(NSparseHistTrk);\r
 115   \r
 116   //dimensions of THnSparse for stack\r
 117   const Int_t nvarst=5;\r
 118   //                                             pt          cent    IDgen        isph        y\r
 119   Int_t    binsHistRealSt[nvarst] = {      nptBins,  fnCentBins,        3,         2,        2};\r
 120   Double_t xminHistRealSt[nvarst] = {         0.,           0.,      -0.5,      -0.5,    -0.5};\r
 121   Double_t xmaxHistRealSt[nvarst] = {       10.,        100.,      2.5,       1.5,      0.5};\r
 122   THnSparseF* NSparseHistSt = new THnSparseF("NSparseHistSt","NSparseHistSt",nvarst,binsHistRealSt,xminHistRealSt,xmaxHistRealSt);\r
 123   NSparseHistSt->GetAxis(0)->SetTitle("#it{p}_{T,gen}");\r
 124   NSparseHistSt->SetBinEdges(0,ptBins);\r
 125   NSparseHistSt->GetAxis(0)->SetName("pT_rec");\r
 126   NSparseHistSt->GetAxis(1)->SetTitle(Form("%s cent",fEventCuts->GetCentralityMethod().Data()));\r
 127   NSparseHistSt->GetAxis(1)->SetName(Form("%s_cent",fEventCuts->GetCentralityMethod().Data()));\r
 128   NSparseHistSt->GetAxis(2)->SetTitle("ID gen");\r
 129   NSparseHistSt->GetAxis(2)->SetName("ID_gen");\r
 130   NSparseHistSt->GetAxis(3)->SetTitle("isph");\r
 131   NSparseHistSt->GetAxis(3)->SetName("isph");\r
 132   NSparseHistSt->GetAxis(4)->SetTitle("y");\r
 133   NSparseHistSt->GetAxis(4)->SetName("y");\r
 134   fOutput->Add(NSparseHistSt);\r
 135   \r
 136   //dimensions of THnSparse for the normalization\r
 137   const Int_t nvarev=2;\r
 138   //                                             cent             Q vec   \r
 139   Int_t    binsHistRealEv[nvarev] = {    fnCentBins,      fnQvecBins};\r
 140   Double_t xminHistRealEv[nvarev] = {           0.,               0.};\r
 141   Double_t xmaxHistRealEv[nvarev] = {       100.,              10.};\r
 142   THnSparseF* NSparseHistEv = new THnSparseF("NSparseHistEv","NSparseHistEv",nvarev,binsHistRealEv,xminHistRealEv,xmaxHistRealEv);\r
 143   NSparseHistEv->GetAxis(0)->SetTitle(Form("%s cent",fEventCuts->GetCentralityMethod().Data()));\r
 144   NSparseHistEv->GetAxis(0)->SetName(Form("%s_cent",fEventCuts->GetCentralityMethod().Data()));\r
 145   NSparseHistEv->GetAxis(1)->SetTitle("Q vec");\r
 146   NSparseHistEv->GetAxis(1)->SetName("Q_vec");\r
 147   fOutput->Add(NSparseHistEv);\r
 148   \r
 149   PostData(1, fOutput  );\r
 150   PostData(2, fEventCuts);\r
 151   PostData(3, fTrackCuts);\r
 152   PostData(4, fHelperPID);\r
 153 }\r
 154 \r
 155 //________________________________________________________________________\r
 156 \r
 157 void AliAnalysisTaskSpectraAllChAOD::UserExec(Option_t *)\r
 158 {\r
 159   //Printf("An event");\r
 160   // main event loop\r
 161   fAOD = dynamic_cast<AliAODEvent*>(fInputEvent);\r
 162   if (!fAOD) {\r
 163     AliWarning("ERROR: AliAODEvent not available \n");\r
 164     return;\r
 165   }\r
 166   \r
 167   if (strcmp(fAOD->ClassName(), "AliAODEvent"))\r
 168     {\r
 169       AliFatal("Not processing AODs");\r
 170     }\r
 171   \r
 172   if(!fEventCuts->IsSelected(fAOD,fTrackCuts))return;//event selection\r
 173 \r
 174   //Default TPC priors\r
 175   if(fHelperPID->GetPIDType()==kBayes)fHelperPID->GetPIDCombined()->SetDefaultTPCPriors();//FIXME maybe this can go in the UserCreateOutputObject?\r
 176   \r
 177   Double_t Qvec=0.;//in case of MC we save space in the memory\r
 178   if(!fIsMC){\r
 179     if(fVZEROside==0)Qvec=fEventCuts->GetqV0A();\r
 180     else if (fVZEROside==1)Qvec=fEventCuts->GetqV0C();\r
 181   }\r
 182 \r
 183   Double_t Cent=fEventCuts->GetCent();\r
 184     \r
 185   // First do MC to fill up the MC particle array\r
 186   TClonesArray *arrayMC = 0;\r
 187   if (fIsMC)\r
 188     {\r
 189       arrayMC = (TClonesArray*) fAOD->GetList()->FindObject(AliAODMCParticle::StdBranchName());\r
 190       if (!arrayMC) {\r
 191         AliFatal("Error: MC particles branch not found!\n");\r
 192       }\r
 193       Int_t nMC = arrayMC->GetEntries();\r
 194       for (Int_t iMC = 0; iMC < nMC; iMC++)\r
 195         {\r
 196           AliAODMCParticle *partMC = (AliAODMCParticle*) arrayMC->At(iMC);\r
 197           if(!partMC->Charge()) continue;//Skip neutrals\r
 198           if(fCharge != 0 && partMC->Charge() != fCharge) continue;//if fCharge != 0 only select fCharge\r
 199           \r
 200           if(partMC->Eta() < fTrackCuts->GetEtaMin() || partMC->Eta() > fTrackCuts->GetEtaMax())continue;//ETA CUT ON GENERATED!!!!!!!!!!!!!!!!!!!!!!!!!!\r
 201           \r
 202           //pt     cent    IDgen        isph        y\r
 203           Double_t varSt[5];\r
 204           varSt[0]=partMC->Pt();\r
 205           varSt[1]=Cent;\r
 206           varSt[2]=(Double_t)fHelperPID->GetParticleSpecies(partMC);\r
 207           varSt[3]=(Double_t)partMC->IsPhysicalPrimary();\r
 208           varSt[4]=partMC->Y();\r
 209           ((THnSparseF*)fOutput->FindObject("NSparseHistSt"))->Fill(varSt);//stack loop\r
 210           \r
 211           //Printf("a particle");\r
 212           \r
 213         }\r
 214     }\r
 215   \r
 216   //main loop on tracks\r
 217   for (Int_t iTracks = 0; iTracks < fAOD->GetNumberOfTracks(); iTracks++) {\r
 218     AliAODTrack* track = fAOD->GetTrack(iTracks);\r
 219     if(fCharge != 0 && track->Charge() != fCharge) continue;//if fCharge != 0 only select fCharge \r
 220     if (!fTrackCuts->IsSelected(track,kTRUE)) continue; //track selection (rapidity selection NOT in the standard cuts)\r
 221     Int_t IDrec=fHelperPID->GetParticleSpecies(track,kTRUE);//id from detector\r
 222     Double_t y= track->Y(fHelperPID->GetMass((AliHelperParticleSpecies_t)IDrec));\r
 223     Int_t IDgen=kSpUndefined;//set if MC\r
 224     Int_t isph=-999;\r
 225     Int_t iswd=-999;\r
 226     \r
 227     if (arrayMC) {\r
 228       AliAODMCParticle *partMC = (AliAODMCParticle*) arrayMC->At(TMath::Abs(track->GetLabel()));\r
 229       if (!partMC) { \r
 230         AliError("Cannot get MC particle");\r
 231         continue; \r
 232       }\r
 233       IDgen=fHelperPID->GetParticleSpecies(partMC);\r
 234       isph=partMC->IsPhysicalPrimary();\r
 235       iswd=partMC->IsSecondaryFromWeakDecay();//FIXME not working on old productions\r
 236     }\r
 237     \r
 238     //pt     cent    Q vec     IDrec     IDgen       isph           iswd      y\r
 239     Double_t varTrk[8];\r
 240     varTrk[0]=track->Pt();\r
 241     varTrk[1]=Cent;\r
 242     varTrk[2]=Qvec;\r
 243     varTrk[3]=(Double_t)IDrec;\r
 244     varTrk[4]=(Double_t)IDgen;\r
 245     varTrk[5]=(Double_t)isph;\r
 246     varTrk[6]=(Double_t)iswd;\r
 247     varTrk[7]=y;\r
 248     ((THnSparseF*)fOutput->FindObject("NSparseHistTrk"))->Fill(varTrk);//track loop\r
 249     \r
 250     //Printf("a track");\r
 251     \r
 252   } // end loop on tracks\r
 253   \r
 254   Double_t varEv[2];\r
 255   varEv[0]=Cent;\r
 256   varEv[1]=Qvec;\r
 257   ((THnSparseF*)fOutput->FindObject("NSparseHistEv"))->Fill(varEv);//event loop\r
 258   \r
 259   PostData(1, fOutput  );\r
 260   PostData(2, fEventCuts);\r
 261   PostData(3, fTrackCuts);\r
 262   PostData(4, fHelperPID);\r
 263 }\r
 264 \r
 265 //_________________________________________________________________\r
 266 void   AliAnalysisTaskSpectraAllChAOD::Terminate(Option_t *)\r
 267 {\r
 268   // Terminate\r
 269 }\r