PWGHF/hfe/AliHFEspectrum.cxx

   1
   2 /**************************************************************************
   3 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
   4 *                                                                        *
   5 * Author: The ALICE Off-line Project.                                    *
   6 * Contributors are mentioned in the code where appropriate.              *
   7 *                                                                        *
   8 * Permission to use, copy, modify and distribute this software and its   *
   9 * documentation strictly for non-commercial purposes is hereby granted   *
  10 * without fee, provided that the above copyright notice appears in all   *
  11 * copies and that both the copyright notice and this permission notice   *
  12 * appear in the supporting documentation. The authors make no claims     *
  13 * about the suitability of this software for any purpose. It is          *
  14 * provided "as is" without express or implied warranty.                  *
  15 **************************************************************************/
  16 //
  17 // Class for spectrum correction
  18 // Subtraction of hadronic background, Unfolding of the data and
  19 // Renormalization done here
  20 // The following containers have to be set:
  21 //  - Correction framework container for real data
  22 //  - Correction framework container for MC (Efficiency Map)
  23 //  - Correction framework container for background coming from data
  24 //  - Correction framework container for background coming from MC
  25 //
  26 //  Author:
  27 //            Raphaelle Bailhache <R.Bailhache@gsi.de>
  28 //            Markus Fasel <M.Fasel@gsi.de>
  29 //
  30
  31 #include <TArrayD.h>
  32 #include <TH1.h>
  33 #include <TList.h>
  34 #include <TObjArray.h>
  35 #include <TROOT.h>
  36 #include <TCanvas.h>
  37 #include <TLegend.h>
  38 #include <TStyle.h>
  39 #include <TMath.h>
  40 #include <TAxis.h>
  41 #include <TGraphErrors.h>
  42 #include <TFile.h>
  43 #include <TPad.h>
  44 #include <TH2D.h>
  45 #include <TF1.h>
  46
  47 #include "AliPID.h"
  48 #include "AliCFContainer.h"
  49 #include "AliCFDataGrid.h"
  50 #include "AliCFEffGrid.h"
  51 #include "AliCFGridSparse.h"
  52 #include "AliCFUnfolding.h"
  53 #include "AliLog.h"
  54
  55 #include "AliHFEspectrum.h"
  56 #include "AliHFEcuts.h"
  57 #include "AliHFEcontainer.h"
  58 #include "AliHFEtools.h"
  59
  60 ClassImp(AliHFEspectrum)
  61
  62 //____________________________________________________________
  63 AliHFEspectrum::AliHFEspectrum(const char *name):
  64   TNamed(name, ""),
  65   fCFContainers(new TObjArray(kDataContainerV0+1)),
  66   fTemporaryObjects(NULL),
  67   fCorrelation(NULL),
  68   fBackground(NULL),
  69   fEfficiencyFunction(NULL),
  70   fWeightCharm(NULL),
  71   fInclusiveSpectrum(kTRUE),
  72   fDumpToFile(kFALSE),
  73   fEtaSelected(kFALSE),
  74   fUnSetCorrelatedErrors(kTRUE),
  75   fSetSmoothing(kFALSE),
  76   fIPanaHadronBgSubtract(kFALSE),
  77   fIPanaCharmBgSubtract(kFALSE),
  78   fIPanaConversionBgSubtract(kFALSE),
  79   fIPanaNonHFEBgSubtract(kFALSE),
  80   fIPParameterizedEff(kFALSE),
  81   fNonHFEsyst(0),
  82   fBeauty2ndMethod(kFALSE),
  83   fIPEffCombinedSamples(kTRUE),
  84   fNbDimensions(1),
  85   fNMCEvents(0),
  86   fStepMC(-1),
  87   fStepTrue(-1),
  88   fStepData(-1),
  89   fStepBeforeCutsV0(-1),
  90   fStepAfterCutsV0(-1),
  91   fStepGuessedUnfolding(-1),
  92   fNumberOfIterations(5),
  93   fChargeChoosen(kAllCharge),
  94   fNCentralityBinAtTheEnd(0),
  95   fTestCentralityLow(-1),
  96   fTestCentralityHigh(-1),
  97   fFillMoreCorrelationMatrix(kFALSE),
  98   fHadronEffbyIPcut(NULL),
  99   fConversionEffbgc(NULL),
 100   fNonHFEEffbgc(NULL),
 101   fBSpectrum2ndMethod(NULL),
 102   fkBeauty2ndMethodfilename(""),
 103   fBeamType(0),
 104   fEtaSyst(kTRUE),
 105   fDebugLevel(0),
 106   fWriteToFile(kFALSE),
 107   fUnfoldBG(kFALSE)
 108 {
 109   //
 110   // Default constructor
 111   //
 112
 113   for(Int_t k = 0; k < 20; k++){
 114       fNEvents[k] = 0;
 115       fNMCbgEvents[k] = 0;
 116       fLowBoundaryCentralityBinAtTheEnd[k] = 0;
 117       fHighBoundaryCentralityBinAtTheEnd[k] = 0;
 118       if(k<kCentrality)
 119       {
 120           fEfficiencyTOFPIDD[k] = 0;
 121           fEfficiencyesdTOFPIDD[k] = 0;
 122           fEfficiencyIPCharmD[k] = 0;
 123           fEfficiencyIPBeautyD[k] = 0;
 124           fEfficiencyIPBeautyesdD[k] = 0;
 125           fEfficiencyIPConversionD[k] = 0;
 126           fEfficiencyIPNonhfeD[k] = 0;
 127
 128           fConversionEff[k] = 0;
 129           fNonHFEEff[k] = 0;
 130           fCharmEff[k] = 0;
 131           fBeautyEff[k] = 0;
 132           fEfficiencyCharmSigD[k] = 0;
 133           fEfficiencyBeautySigD[k] = 0;
 134           fEfficiencyBeautySigesdD[k] = 0;
 135       }
 136   }
 137   memset(fEtaRange, 0, sizeof(Double_t) * 2);
 138   memset(fEtaRangeNorm, 0, sizeof(Double_t) * 2);
 139   memset(fConvSourceContainer, 0, sizeof(AliCFContainer*) * kElecBgSources * kBgLevels);
 140   memset(fNonHFESourceContainer, 0, sizeof(AliCFContainer*) * kElecBgSources * kBgLevels);
 141 }
 142
 143 //____________________________________________________________
 144 AliHFEspectrum::~AliHFEspectrum(){
 145   //
 146   // Destructor
 147   //
 148   if(fCFContainers) delete fCFContainers;
 149   if(fTemporaryObjects){
 150     fTemporaryObjects->Clear();
 151     delete fTemporaryObjects;
 152   }
 153 }
 154 //____________________________________________________________
 155 Bool_t AliHFEspectrum::Init(const AliHFEcontainer *datahfecontainer, const AliHFEcontainer *mchfecontainer, const AliHFEcontainer *v0hfecontainer, const AliHFEcontainer *bghfecontainer){
 156   //
 157   // Init what we need for the correction:
 158   //
 159   // Raw spectrum, hadron contamination
 160   // MC efficiency maps, correlation matrix
 161   // V0 efficiency if wanted
 162   //
 163   // This for a given dimension.
 164   // If no inclusive spectrum, then take only efficiency map for beauty electron
 165   // and the appropriate correlation matrix
 166   //
 167
 168
 169   if(fBeauty2ndMethod) CallInputFileForBeauty2ndMethod();
 170
 171   Int_t kNdim = 3;
 172   Int_t kNcentr =1;
 173   Int_t ptpr =0;
 174   if(fBeamType==0) kNdim=3;
 175   if(fBeamType==1)
 176   {
 177       kNdim=4;
 178       kNcentr=11;
 179       ptpr=1;
 180   }
 181
 182   Int_t dims[kNdim];
 183   // Get the requested format
 184   if(fBeamType==0){
 185     // pp analysis
 186     switch(fNbDimensions){
 187       case 1:   dims[0] = 0;
 188                 break;
 189       case 2:   for(Int_t i = 0; i < 2; i++) dims[i] = i;
 190                 break;
 191       case 3:   for(Int_t i = 0; i < 3; i++) dims[i] = i;
 192                 break;
 193       default:
 194                 AliError("Container with this number of dimensions not foreseen (yet)");
 195                 return kFALSE;
 196     };
 197   }
 198
 199   if(fBeamType==1){
 200     // PbPb analysis; centrality as first dimension
 201     Int_t nbDimensions = fNbDimensions;
 202     fNbDimensions = fNbDimensions + 1;
 203     switch(nbDimensions){
 204       case 1: dims[0] = 5;
 205               dims[1] = 0;
 206               break;
 207       case 2: dims[0] = 5;
 208               for(Int_t i = 0; i < 2; i++) dims[(i+1)] = i;
 209               break;
 210       case 3: dims[0] = 5;
 211               for(Int_t i = 0; i < 3; i++) dims[(i+1)] = i;
 212               break;
 213       default:
 214               AliError("Container with this number of dimensions not foreseen (yet)");
 215               return kFALSE;
 216     };
 217   }
 218
 219   // Data container: raw spectrum + hadron contamination
 220   AliCFContainer *datacontainer = 0x0;
 221   if(fInclusiveSpectrum) {
 222     datacontainer = datahfecontainer->GetCFContainer("recTrackContReco");
 223   }
 224   else{
 225
 226       datacontainer = datahfecontainer->MakeMergedCFContainer("sumreco","sumreco","recTrackContReco:recTrackContDEReco");
 227   }
 228   AliCFContainer *contaminationcontainer = datahfecontainer->GetCFContainer("hadronicBackground");
 229   if((!datacontainer) || (!contaminationcontainer)) return kFALSE;
 230
 231   AliCFContainer *datacontainerD = GetSlicedContainer(datacontainer, fNbDimensions, dims, -1, fChargeChoosen,fTestCentralityLow,fTestCentralityHigh);
 232   AliCFContainer *contaminationcontainerD = GetSlicedContainer(contaminationcontainer, fNbDimensions, dims, -1, fChargeChoosen,fTestCentralityLow,fTestCentralityHigh);
 233   if((!datacontainerD) || (!contaminationcontainerD)) return kFALSE;
 234
 235   SetContainer(datacontainerD,AliHFEspectrum::kDataContainer);
 236   SetContainer(contaminationcontainerD,AliHFEspectrum::kBackgroundData);
 237
 238   // MC container: ESD/MC efficiency maps + MC/MC efficiency maps
 239   AliCFContainer *mccontaineresd = 0x0;
 240   AliCFContainer *mccontaineresdbg = 0x0;
 241   AliCFContainer *mccontainermc = 0x0;
 242   AliCFContainer *mccontainermcbg = 0x0;
 243   AliCFContainer *nonHFEweightedContainer = 0x0;
 244   AliCFContainer *convweightedContainer = 0x0;
 245   AliCFContainer *nonHFEtempContainer = 0x0;//temporary container to be sliced for the fnonHFESourceContainers
 246   AliCFContainer *convtempContainer = 0x0;//temporary container to be sliced for the fConvSourceContainers
 247
 248   if(fInclusiveSpectrum) {
 249     mccontaineresd = mchfecontainer->MakeMergedCFContainer("sumesd","sumesd","MCTrackCont:recTrackContReco");
 250     mccontainermc = mchfecontainer->MakeMergedCFContainer("summc","summc","MCTrackCont:recTrackContMC");
 251   }
 252   else {
 253     mccontaineresd = mchfecontainer->MakeMergedCFContainer("sumesd","sumesd","MCTrackCont:recTrackContReco:recTrackContDEReco");
 254     mccontaineresdbg = bghfecontainer->MakeMergedCFContainer("sumesd","sumesd","MCTrackCont:recTrackContReco:recTrackContDEReco");
 255     mccontainermc = mchfecontainer->MakeMergedCFContainer("summc","summc","MCTrackCont:recTrackContMC:recTrackContDEMC");
 256     mccontainermcbg = bghfecontainer->MakeMergedCFContainer("summcbg","summcbg","MCTrackCont:recTrackContMC:recTrackContDEMC");
 257
 258     if(fNonHFEsyst){
 259       const Char_t *sourceName[kElecBgSources]={"Pion","Eta","Omega","Phi","EtaPrime","Rho"};
 260       const Char_t *levelName[kBgLevels]={"Best","Lower","Upper"};
 261       for(Int_t iSource = 0; iSource < kElecBgSources; iSource++){
 262         for(Int_t iLevel = 0; iLevel < kBgLevels; iLevel++){
 263           nonHFEtempContainer =  bghfecontainer->GetCFContainer(Form("mesonElecs%s%s",sourceName[iSource],levelName[iLevel]));
 264           convtempContainer =  bghfecontainer->GetCFContainer(Form("conversionElecs%s%s",sourceName[iSource],levelName[iLevel]));
 265           for(Int_t icentr=0;icentr<kNcentr;icentr++)
 266           {
 267               if(fBeamType==0)
 268               {
 269                   fConvSourceContainer[iSource][iLevel][icentr] = GetSlicedContainer(convtempContainer, fNbDimensions, dims, -1, fChargeChoosen);
 270                   fNonHFESourceContainer[iSource][iLevel][icentr] = GetSlicedContainer(nonHFEtempContainer, fNbDimensions, dims, -1, fChargeChoosen);
 271               }
 272               if(fBeamType==1)
 273               {
 274
 275                 fConvSourceContainer[iSource][iLevel][icentr] = GetSlicedContainer(convtempContainer, fNbDimensions, dims, -1, fChargeChoosen,icentr,icentr);
 276                 fNonHFESourceContainer[iSource][iLevel][icentr] = GetSlicedContainer(nonHFEtempContainer, fNbDimensions, dims, -1, fChargeChoosen,icentr,icentr);
 277               }
 278 //            if((!fConvSourceContainer[iSource][iLevel][icentr])||(!fNonHFESourceContainer[iSource][iLevel])) return kFALSE;
 279           }
 280           if(fBeamType == 1)break;
 281         }
 282       }
 283     }
 284     // else{
 285       nonHFEweightedContainer = bghfecontainer->GetCFContainer("mesonElecs");
 286       convweightedContainer = bghfecontainer->GetCFContainer("conversionElecs");
 287       if((!convweightedContainer)||(!nonHFEweightedContainer)) return kFALSE;
 288       //}
 289   }
 290   if((!mccontaineresd) || (!mccontainermc)) return kFALSE;
 291
 292   Int_t source = -1;
 293   if(!fInclusiveSpectrum) source = 1; //beauty
 294   AliCFContainer *mccontaineresdD = GetSlicedContainer(mccontaineresd, fNbDimensions, dims, source, fChargeChoosen,fTestCentralityLow,fTestCentralityHigh);
 295   AliCFContainer *mccontainermcD = GetSlicedContainer(mccontainermc, fNbDimensions, dims, source, fChargeChoosen,fTestCentralityLow,fTestCentralityHigh);
 296   if((!mccontaineresdD) || (!mccontainermcD)) return kFALSE;
 297   SetContainer(mccontainermcD,AliHFEspectrum::kMCContainerMC);
 298   SetContainer(mccontaineresdD,AliHFEspectrum::kMCContainerESD);
 299
 300   // set charm, nonHFE container to estimate BG
 301   if(!fInclusiveSpectrum){
 302    source = 0; //charm
 303    mccontainermcD = GetSlicedContainer(mccontainermcbg, fNbDimensions, dims, source, fChargeChoosen);
 304    SetContainer(mccontainermcD,AliHFEspectrum::kMCContainerCharmMC);
 305
 306    //if(!fNonHFEsyst){
 307      AliCFContainer *nonHFEweightedContainerD = GetSlicedContainer(nonHFEweightedContainer, fNbDimensions, dims, -1, fChargeChoosen);
 308      SetContainer(nonHFEweightedContainerD,AliHFEspectrum::kMCWeightedContainerNonHFEESD);
 309      AliCFContainer *convweightedContainerD = GetSlicedContainer(convweightedContainer, fNbDimensions, dims, -1, fChargeChoosen);
 310      SetContainer(convweightedContainerD,AliHFEspectrum::kMCWeightedContainerConversionESD);
 311      //}
 312
 313      SetParameterizedEff(mccontainermc, mccontainermcbg, mccontaineresd, mccontaineresdbg, dims);
 314
 315   }
 316   // MC container: correlation matrix
 317   THnSparseF *mccorrelation = 0x0;
 318   if(fInclusiveSpectrum) {
 319     if(fStepMC==(AliHFEcuts::kNcutStepsMCTrack + AliHFEcuts::kStepHFEcutsTRD + 2)) mccorrelation = mchfecontainer->GetCorrelationMatrix("correlationstepbeforePID");
 320     else if(fStepMC==(AliHFEcuts::kNcutStepsMCTrack + AliHFEcuts::kStepHFEcutsTRD + 1)) mccorrelation = mchfecontainer->GetCorrelationMatrix("correlationstepbeforePID");
 321     else if(fStepMC==(AliHFEcuts::kNcutStepsMCTrack + AliHFEcuts::kStepHFEcutsTRD)) mccorrelation = mchfecontainer->GetCorrelationMatrix("correlationstepbeforePID");
 322     else if(fStepMC==(AliHFEcuts::kNcutStepsMCTrack + AliHFEcuts::kStepHFEcutsTRD - 1)) mccorrelation = mchfecontainer->GetCorrelationMatrix("correlationstepbeforePID");
 323     else mccorrelation = mchfecontainer->GetCorrelationMatrix("correlationstepafterPID");
 324
 325     if(!mccorrelation) mccorrelation = mchfecontainer->GetCorrelationMatrix("correlationstepafterPID");
 326   }
 327   else mccorrelation = mchfecontainer->GetCorrelationMatrix("correlationstepafterPID"); // we confirmed that we get same result by using it instead of correlationstepafterDE
 328   //else mccorrelation = mchfecontainer->GetCorrelationMatrix("correlationstepafterDE");
 329   if(!mccorrelation) return kFALSE;
 330   Int_t testCentralityLow = fTestCentralityLow;
 331   Int_t testCentralityHigh = fTestCentralityHigh;
 332   if(fFillMoreCorrelationMatrix) {
 333     testCentralityLow = fTestCentralityLow-1;
 334     testCentralityHigh = fTestCentralityHigh+1;
 335   }
 336   THnSparseF *mccorrelationD = GetSlicedCorrelation(mccorrelation, fNbDimensions, dims,testCentralityLow,testCentralityHigh);
 337   if(!mccorrelationD) {
 338     printf("No correlation\n");
 339     return kFALSE;
 340   }
 341   SetCorrelation(mccorrelationD);
 342
 343   // V0 container Electron, pt eta phi
 344   if(v0hfecontainer) {
 345     AliCFContainer *containerV0 = v0hfecontainer->GetCFContainer("taggedTrackContainerReco");
 346     if(!containerV0) return kFALSE;
 347     AliCFContainer *containerV0Electron = GetSlicedContainer(containerV0, fNbDimensions, dims, AliPID::kElectron,fChargeChoosen,fTestCentralityLow,fTestCentralityHigh);
 348     if(!containerV0Electron) return kFALSE;
 349     SetContainer(containerV0Electron,AliHFEspectrum::kDataContainerV0);
 350   }
 351
 352
 353   if(fDebugLevel>0){
 354
 355     AliCFDataGrid *contaminationspectrum = (AliCFDataGrid *) ((AliCFDataGrid *)GetSpectrum(contaminationcontainer,1))->Clone();
 356     contaminationspectrum->SetName("contaminationspectrum");
 357     TCanvas * ccontaminationspectrum = new TCanvas("contaminationspectrum","contaminationspectrum",1000,700);
 358     ccontaminationspectrum->Divide(3,1);
 359     ccontaminationspectrum->cd(1);
 360     TH2D * contaminationspectrum2dpteta = (TH2D *) contaminationspectrum->Project(1,0);
 361     TH2D * contaminationspectrum2dptphi = (TH2D *) contaminationspectrum->Project(2,0);
 362     TH2D * contaminationspectrum2detaphi = (TH2D *) contaminationspectrum->Project(1,2);
 363     contaminationspectrum2dpteta->SetStats(0);
 364     contaminationspectrum2dpteta->SetTitle("");
 365     contaminationspectrum2dpteta->GetXaxis()->SetTitle("#eta");
 366     contaminationspectrum2dpteta->GetYaxis()->SetTitle("p_{T} [GeV/c]");
 367     contaminationspectrum2dptphi->SetStats(0);
 368     contaminationspectrum2dptphi->SetTitle("");
 369     contaminationspectrum2dptphi->GetXaxis()->SetTitle("#phi [rad]");
 370     contaminationspectrum2dptphi->GetYaxis()->SetTitle("p_{T} [GeV/c]");
 371     contaminationspectrum2detaphi->SetStats(0);
 372     contaminationspectrum2detaphi->SetTitle("");
 373     contaminationspectrum2detaphi->GetXaxis()->SetTitle("#eta");
 374     contaminationspectrum2detaphi->GetYaxis()->SetTitle("#phi [rad]");
 375     contaminationspectrum2dptphi->Draw("colz");
 376     ccontaminationspectrum->cd(2);
 377     contaminationspectrum2dpteta->Draw("colz");
 378     ccontaminationspectrum->cd(3);
 379     contaminationspectrum2detaphi->Draw("colz");
 380
 381     TCanvas * ccorrelation = new TCanvas("ccorrelation","ccorrelation",1000,700);
 382     ccorrelation->cd(1);
 383     if(mccorrelationD) {
 384       if(fBeamType==0){
 385         TH2D * ptcorrelation = (TH2D *) mccorrelationD->Projection(fNbDimensions,0);
 386         ptcorrelation->Draw("colz");
 387       }
 388       if(fBeamType==1){
 389         TH2D * ptcorrelation = (TH2D *) mccorrelationD->Projection(fNbDimensions+1,1);
 390         ptcorrelation->Draw("colz");
 391       }
 392     }
 393     if(fWriteToFile){
 394       ccontaminationspectrum->SaveAs("contaminationspectrum.eps");
 395       ccorrelation->SaveAs("correlationMatrix.eps");
 396     }
 397   }
 398
 399   TFile *file = TFile::Open("tests.root","recreate");
 400   datacontainerD->Write("data");
 401   mccontainermcD->Write("mcefficiency");
 402   mccorrelationD->Write("correlationmatrix");
 403   file->Close();
 404
 405   return kTRUE;
 406 }
 407
 408
 409 //____________________________________________________________
 410 void AliHFEspectrum::CallInputFileForBeauty2ndMethod(){
 411   //
 412   // get spectrum for beauty 2nd method
 413   //
 414   //
 415     TFile *inputfile2ndmethod=TFile::Open(fkBeauty2ndMethodfilename);
 416     fBSpectrum2ndMethod = new TH1D(*static_cast<TH1D*>(inputfile2ndmethod->Get("BSpectrum")));
 417 }
 418
 419
 420 //____________________________________________________________
 421 Bool_t AliHFEspectrum::Correct(Bool_t subtractcontamination){
 422   //
 423   // Correct the spectrum for efficiency and unfolding
 424   // with both method and compare
 425   //
 426
 427   gStyle->SetPalette(1);
 428   gStyle->SetOptStat(1111);
 429   gStyle->SetPadBorderMode(0);
 430   gStyle->SetCanvasColor(10);
 431   gStyle->SetPadLeftMargin(0.13);
 432   gStyle->SetPadRightMargin(0.13);
 433
 434   printf("Steps are: stepdata %d, stepMC %d, steptrue %d, stepV0after %d, stepV0before %d\n",fStepData,fStepMC,fStepTrue,fStepAfterCutsV0,fStepBeforeCutsV0);
 435
 436   ///////////////////////////
 437   // Check initialization
 438   ///////////////////////////
 439
 440   if((!GetContainer(kDataContainer)) || (!GetContainer(kMCContainerMC)) || (!GetContainer(kMCContainerESD))){
 441     AliInfo("You have to init before");
 442     return kFALSE;
 443   }
 444
 445   if((fStepTrue < 0) && (fStepMC < 0) && (fStepData < 0)) {
 446     AliInfo("You have to set the steps before: SetMCTruthStep, SetMCEffStep, SetStepToCorrect");
 447     return kFALSE;
 448   }
 449
 450   SetNumberOfIteration(10);
 451   SetStepGuessedUnfolding(AliHFEcuts::kStepRecKineITSTPC + AliHFEcuts::kNcutStepsMCTrack);
 452
 453   AliCFDataGrid *dataGridAfterFirstSteps = 0x0;
 454   //////////////////////////////////
 455   // Subtract hadron background
 456   /////////////////////////////////
 457   AliCFDataGrid *dataspectrumaftersubstraction = 0x0;
 458   if(subtractcontamination) {
 459     dataspectrumaftersubstraction = SubtractBackground(kTRUE);
 460     dataGridAfterFirstSteps = dataspectrumaftersubstraction;
 461   }
 462
 463   ////////////////////////////////////////////////
 464   // Correct for TPC efficiency from V0
 465   ///////////////////////////////////////////////
 466   AliCFDataGrid *dataspectrumafterV0efficiencycorrection = 0x0;
 467   AliCFContainer *dataContainerV0 = GetContainer(kDataContainerV0);
 468   if(dataContainerV0){printf("Got the V0 container\n");
 469     dataspectrumafterV0efficiencycorrection = CorrectV0Efficiency(dataspectrumaftersubstraction);
 470     dataGridAfterFirstSteps = dataspectrumafterV0efficiencycorrection;
 471   }
 472
 473   //////////////////////////////////////////////////////////////////////////////
 474   // Correct for efficiency parametrized (if TPC efficiency is parametrized)
 475   /////////////////////////////////////////////////////////////////////////////
 476   AliCFDataGrid *dataspectrumafterefficiencyparametrizedcorrection = 0x0;
 477   if(fEfficiencyFunction){
 478     dataspectrumafterefficiencyparametrizedcorrection = CorrectParametrizedEfficiency(dataGridAfterFirstSteps);
 479     dataGridAfterFirstSteps = dataspectrumafterefficiencyparametrizedcorrection;
 480   }
 481
 482   ///////////////
 483   // Unfold
 484   //////////////
 485   TList *listunfolded = Unfold(dataGridAfterFirstSteps);
 486   if(!listunfolded){
 487     printf("Unfolded failed\n");
 488     return kFALSE;
 489   }
 490   THnSparse *correctedspectrum = (THnSparse *) listunfolded->At(0);
 491   THnSparse *residualspectrum = (THnSparse *) listunfolded->At(1);
 492   if(!correctedspectrum){
 493     AliError("No corrected spectrum\n");
 494     return kFALSE;
 495   }
 496   if(!residualspectrum){
 497     AliError("No residul spectrum\n");
 498     return kFALSE;
 499   }
 500
 501   /////////////////////
 502   // Simply correct
 503   ////////////////////
 504   AliCFDataGrid *alltogetherCorrection = CorrectForEfficiency(dataGridAfterFirstSteps);
 505
 506
 507   //////////
 508   // Plot
 509   //////////
 510   if(fDebugLevel > 0.0) {
 511
 512     Int_t ptpr = 0;
 513     if(fBeamType==0) ptpr=0;
 514     if(fBeamType==1) ptpr=1;
 515
 516     TCanvas * ccorrected = new TCanvas("corrected","corrected",1000,700);
 517     ccorrected->Divide(2,1);
 518     ccorrected->cd(1);
 519     gPad->SetLogy();
 520     TGraphErrors* correctedspectrumD = Normalize(correctedspectrum);
 521     correctedspectrumD->SetTitle("");
 522     correctedspectrumD->GetYaxis()->SetTitleOffset(1.5);
 523     correctedspectrumD->GetYaxis()->SetRangeUser(0.000000001,1.0);
 524     correctedspectrumD->SetMarkerStyle(26);
 525     correctedspectrumD->SetMarkerColor(kBlue);
 526     correctedspectrumD->SetLineColor(kBlue);
 527     correctedspectrumD->Draw("AP");
 528     TGraphErrors* alltogetherspectrumD = Normalize(alltogetherCorrection);
 529     alltogetherspectrumD->SetTitle("");
 530     alltogetherspectrumD->GetYaxis()->SetTitleOffset(1.5);
 531     alltogetherspectrumD->GetYaxis()->SetRangeUser(0.000000001,1.0);
 532     alltogetherspectrumD->SetMarkerStyle(25);
 533     alltogetherspectrumD->SetMarkerColor(kBlack);
 534     alltogetherspectrumD->SetLineColor(kBlack);
 535     alltogetherspectrumD->Draw("P");
 536     TLegend *legcorrected = new TLegend(0.4,0.6,0.89,0.89);
 537     legcorrected->AddEntry(correctedspectrumD,"Corrected","p");
 538     legcorrected->AddEntry(alltogetherspectrumD,"Alltogether","p");
 539     legcorrected->Draw("same");
 540     ccorrected->cd(2);
 541     TH1D *correctedTH1D = correctedspectrum->Projection(ptpr);
 542     TH1D *alltogetherTH1D = (TH1D *) alltogetherCorrection->Project(ptpr);
 543     TH1D* ratiocorrected = (TH1D*)correctedTH1D->Clone();
 544     ratiocorrected->SetName("ratiocorrected");
 545     ratiocorrected->SetTitle("");
 546     ratiocorrected->GetYaxis()->SetTitle("Unfolded/DirectCorrected");
 547     ratiocorrected->GetXaxis()->SetTitle("p_{T} [GeV/c]");
 548     ratiocorrected->Divide(correctedTH1D,alltogetherTH1D,1,1);
 549     ratiocorrected->SetStats(0);
 550     ratiocorrected->Draw();
 551     if(fWriteToFile)ccorrected->SaveAs("CorrectedPbPb.eps");
 552
 553     //TH1D unfoldingspectrac[fNCentralityBinAtTheEnd];
 554     //TGraphErrors unfoldingspectracn[fNCentralityBinAtTheEnd];
 555     //TH1D correctedspectrac[fNCentralityBinAtTheEnd];
 556     //TGraphErrors correctedspectracn[fNCentralityBinAtTheEnd];
 557
 558     TH1D *unfoldingspectrac = new TH1D[fNCentralityBinAtTheEnd];
 559     TGraphErrors *unfoldingspectracn = new TGraphErrors[fNCentralityBinAtTheEnd];
 560     TH1D *correctedspectrac = new TH1D[fNCentralityBinAtTheEnd];
 561     TGraphErrors *correctedspectracn = new TGraphErrors[fNCentralityBinAtTheEnd];
 562
 563     if(fBeamType==1) {
 564
 565       TCanvas * ccorrectedallspectra = new TCanvas("correctedallspectra","correctedallspectra",1000,700);
 566       ccorrectedallspectra->Divide(2,1);
 567       TLegend *legtotal = new TLegend(0.4,0.6,0.89,0.89);
 568       TLegend *legtotalg = new TLegend(0.4,0.6,0.89,0.89);
 569
 570       THnSparseF* sparsesu = (THnSparseF *) correctedspectrum;
 571       TAxis *cenaxisa = sparsesu->GetAxis(0);
 572       THnSparseF* sparsed = (THnSparseF *) alltogetherCorrection->GetGrid();
 573       TAxis *cenaxisb = sparsed->GetAxis(0);
 574       Int_t nbbin = cenaxisb->GetNbins();
 575       Int_t stylee[20] = {20,21,22,23,24,25,26,27,28,30,4,5,7,29,29,29,29,29,29,29};
 576       Int_t colorr[20] = {2,3,4,5,6,7,8,9,46,38,29,30,31,32,33,34,35,37,38,20};
 577       for(Int_t binc = 0; binc < fNCentralityBinAtTheEnd; binc++){
 578         TString titlee("corrected_centrality_bin_");
 579         titlee += "[";
 580         titlee += fLowBoundaryCentralityBinAtTheEnd[binc];
 581         titlee += "_";
 582         titlee += fHighBoundaryCentralityBinAtTheEnd[binc];
 583         titlee += "[";
 584         TString titleec("corrected_check_projection_bin_");
 585         titleec += "[";
 586         titleec += fLowBoundaryCentralityBinAtTheEnd[binc];
 587         titleec += "_";
 588         titleec += fHighBoundaryCentralityBinAtTheEnd[binc];
 589         titleec += "[";
 590         TString titleenameunotnormalized("Unfolded_Notnormalized_centrality_bin_");
 591         titleenameunotnormalized += "[";
 592         titleenameunotnormalized += fLowBoundaryCentralityBinAtTheEnd[binc];
 593         titleenameunotnormalized += "_";
 594         titleenameunotnormalized += fHighBoundaryCentralityBinAtTheEnd[binc];
 595         titleenameunotnormalized += "[";
 596         TString titleenameunormalized("Unfolded_normalized_centrality_bin_");
 597         titleenameunormalized += "[";
 598         titleenameunormalized += fLowBoundaryCentralityBinAtTheEnd[binc];
 599         titleenameunormalized += "_";
 600         titleenameunormalized += fHighBoundaryCentralityBinAtTheEnd[binc];
 601         titleenameunormalized += "[";
 602         TString titleenamednotnormalized("Dirrectcorrected_Notnormalized_centrality_bin_");
 603         titleenamednotnormalized += "[";
 604         titleenamednotnormalized += fLowBoundaryCentralityBinAtTheEnd[binc];
 605         titleenamednotnormalized += "_";
 606         titleenamednotnormalized += fHighBoundaryCentralityBinAtTheEnd[binc];
 607         titleenamednotnormalized += "[";
 608         TString titleenamednormalized("Dirrectedcorrected_normalized_centrality_bin_");
 609         titleenamednormalized += "[";
 610         titleenamednormalized += fLowBoundaryCentralityBinAtTheEnd[binc];
 611         titleenamednormalized += "_";
 612         titleenamednormalized += fHighBoundaryCentralityBinAtTheEnd[binc];
 613         titleenamednormalized += "[";
 614         Int_t nbEvents = 0;
 615         for(Int_t k = fLowBoundaryCentralityBinAtTheEnd[binc]; k < fHighBoundaryCentralityBinAtTheEnd[binc]; k++) {
 616           printf("Number of events %d in the bin %d added!!!\n",fNEvents[k],k);
 617           nbEvents += fNEvents[k];
 618         }
 619         Double_t lowedgega = cenaxisa->GetBinLowEdge(fLowBoundaryCentralityBinAtTheEnd[binc]+1);
 620         Double_t upedgega = cenaxisa->GetBinUpEdge(fHighBoundaryCentralityBinAtTheEnd[binc]);
 621         printf("Bin Low edge %f, up edge %f for a\n",lowedgega,upedgega);
 622         Double_t lowedgegb = cenaxisb->GetBinLowEdge(fLowBoundaryCentralityBinAtTheEnd[binc]+1);
 623         Double_t upedgegb = cenaxisb->GetBinUpEdge(fHighBoundaryCentralityBinAtTheEnd[binc]);
 624         printf("Bin Low edge %f, up edge %f for b\n",lowedgegb,upedgegb);
 625         cenaxisa->SetRange(fLowBoundaryCentralityBinAtTheEnd[binc]+1,fHighBoundaryCentralityBinAtTheEnd[binc]);
 626         cenaxisb->SetRange(fLowBoundaryCentralityBinAtTheEnd[binc]+1,fHighBoundaryCentralityBinAtTheEnd[binc]);
 627         TCanvas * ccorrectedcheck = new TCanvas((const char*) titleec,(const char*) titleec,1000,700);
 628         ccorrectedcheck->cd(1);
 629         TH1D *aftersuc = (TH1D *) sparsesu->Projection(0);
 630         TH1D *aftersdc = (TH1D *) sparsed->Projection(0);
 631         aftersuc->Draw();
 632         aftersdc->Draw("same");
 633         TCanvas * ccorrectede = new TCanvas((const char*) titlee,(const char*) titlee,1000,700);
 634         ccorrectede->Divide(2,1);
 635         ccorrectede->cd(1);
 636         gPad->SetLogy();
 637         TH1D *aftersu = (TH1D *) sparsesu->Projection(1);
 638         CorrectFromTheWidth(aftersu);
 639         aftersu->SetName((const char*)titleenameunotnormalized);
 640         unfoldingspectrac[binc] = *aftersu;
 641         ccorrectede->cd(1);
 642         TGraphErrors* aftersun = NormalizeTH1N(aftersu,nbEvents);
 643         aftersun->SetTitle("");
 644         aftersun->GetYaxis()->SetTitleOffset(1.5);
 645         aftersun->GetYaxis()->SetRangeUser(0.000000001,1.0);
 646         aftersun->SetMarkerStyle(26);
 647         aftersun->SetMarkerColor(kBlue);
 648         aftersun->SetLineColor(kBlue);
 649         aftersun->Draw("AP");
 650         aftersun->SetName((const char*)titleenameunormalized);
 651         unfoldingspectracn[binc] = *aftersun;
 652         ccorrectede->cd(1);
 653         TH1D *aftersd = (TH1D *) sparsed->Projection(1);
 654         CorrectFromTheWidth(aftersd);
 655         aftersd->SetName((const char*)titleenamednotnormalized);
 656         correctedspectrac[binc] = *aftersd;
 657         ccorrectede->cd(1);
 658         TGraphErrors* aftersdn = NormalizeTH1N(aftersd,nbEvents);
 659         aftersdn->SetTitle("");
 660         aftersdn->GetYaxis()->SetTitleOffset(1.5);
 661         aftersdn->GetYaxis()->SetRangeUser(0.000000001,1.0);
 662         aftersdn->SetMarkerStyle(25);
 663         aftersdn->SetMarkerColor(kBlack);
 664         aftersdn->SetLineColor(kBlack);
 665         aftersdn->Draw("P");
 666         aftersdn->SetName((const char*)titleenamednormalized);
 667         correctedspectracn[binc] = *aftersdn;
 668         TLegend *legcorrectedud = new TLegend(0.4,0.6,0.89,0.89);
 669         legcorrectedud->AddEntry(aftersun,"Corrected","p");
 670         legcorrectedud->AddEntry(aftersdn,"Alltogether","p");
 671         legcorrectedud->Draw("same");
 672         ccorrectedallspectra->cd(1);
 673         gPad->SetLogy();
 674         TH1D *aftersunn = (TH1D *) aftersun->Clone();
 675         aftersunn->SetMarkerStyle(stylee[binc]);
 676         aftersunn->SetMarkerColor(colorr[binc]);
 677         if(binc==0) aftersunn->Draw("AP");
 678         else aftersunn->Draw("P");
 679         legtotal->AddEntry(aftersunn,(const char*) titlee,"p");
 680         ccorrectedallspectra->cd(2);
 681         gPad->SetLogy();
 682         TH1D *aftersdnn = (TH1D *) aftersdn->Clone();
 683         aftersdnn->SetMarkerStyle(stylee[binc]);
 684         aftersdnn->SetMarkerColor(colorr[binc]);
 685         if(binc==0) aftersdnn->Draw("AP");
 686         else aftersdnn->Draw("P");
 687         legtotalg->AddEntry(aftersdnn,(const char*) titlee,"p");
 688         ccorrectede->cd(2);
 689         TH1D* ratiocorrectedbinc = (TH1D*)aftersu->Clone();
 690         TString titleee("ratiocorrected_bin_");
 691         titleee += binc;
 692         ratiocorrectedbinc->SetName((const char*) titleee);
 693         ratiocorrectedbinc->SetTitle("");
 694         ratiocorrectedbinc->GetYaxis()->SetTitle("Unfolded/DirectCorrected");
 695         ratiocorrectedbinc->GetXaxis()->SetTitle("p_{T} [GeV/c]");
 696         ratiocorrectedbinc->Divide(aftersu,aftersd,1,1);
 697         ratiocorrectedbinc->SetStats(0);
 698         ratiocorrectedbinc->Draw();
 699       }
 700
 701       ccorrectedallspectra->cd(1);
 702       legtotal->Draw("same");
 703       ccorrectedallspectra->cd(2);
 704       legtotalg->Draw("same");
 705
 706       cenaxisa->SetRange(0,nbbin);
 707       cenaxisb->SetRange(0,nbbin);
 708       if(fWriteToFile) ccorrectedallspectra->SaveAs("CorrectedPbPb.eps");
 709     }
 710
 711     // Dump to file if needed
 712     if(fDumpToFile) {
 713       TFile *out = new TFile("finalSpectrum.root","recreate");
 714       correctedspectrumD->SetName("UnfoldingCorrectedSpectrum");
 715       correctedspectrumD->Write();
 716       alltogetherspectrumD->SetName("AlltogetherSpectrum");
 717       alltogetherspectrumD->Write();
 718       ratiocorrected->SetName("RatioUnfoldingAlltogetherSpectrum");
 719       ratiocorrected->Write();
 720       correctedspectrum->SetName("UnfoldingCorrectedNotNormalizedSpectrum");
 721       correctedspectrum->Write();
 722       alltogetherCorrection->SetName("AlltogetherCorrectedNotNormalizedSpectrum");
 723       alltogetherCorrection->Write();
 724       for(Int_t binc = 0; binc < fNCentralityBinAtTheEnd; binc++){
 725               unfoldingspectrac[binc].Write();
 726               unfoldingspectracn[binc].Write();
 727               correctedspectrac[binc].Write();
 728               correctedspectracn[binc].Write();
 729       }
 730       out->Close(); delete out;
 731     }
 732
 733     if (unfoldingspectrac) delete[] unfoldingspectrac;
 734     if (unfoldingspectracn)  delete[] unfoldingspectracn;
 735     if (correctedspectrac) delete[] correctedspectrac;
 736     if (correctedspectracn) delete[] correctedspectracn;
 737
 738   }
 739
 740   return kTRUE;
 741 }
 742
 743 //____________________________________________________________
 744 Bool_t AliHFEspectrum::CorrectBeauty(Bool_t subtractcontamination){
 745   //
 746   // Correct the spectrum for efficiency and unfolding for beauty analysis
 747   // with both method and compare
 748   //
 749
 750   gStyle->SetPalette(1);
 751   gStyle->SetOptStat(1111);
 752   gStyle->SetPadBorderMode(0);
 753   gStyle->SetCanvasColor(10);
 754   gStyle->SetPadLeftMargin(0.13);
 755   gStyle->SetPadRightMargin(0.13);
 756
 757   ///////////////////////////
 758   // Check initialization
 759   ///////////////////////////
 760
 761   if((!GetContainer(kDataContainer)) || (!GetContainer(kMCContainerMC)) || (!GetContainer(kMCContainerESD))){
 762     AliInfo("You have to init before");
 763     return kFALSE;
 764   }
 765
 766   if((fStepTrue == 0) && (fStepMC == 0) && (fStepData == 0)) {
 767     AliInfo("You have to set the steps before: SetMCTruthStep, SetMCEffStep, SetStepToCorrect");
 768     return kFALSE;
 769   }
 770
 771   SetNumberOfIteration(10);
 772   SetStepGuessedUnfolding(AliHFEcuts::kStepRecKineITSTPC + AliHFEcuts::kNcutStepsMCTrack);
 773
 774   AliCFDataGrid *dataGridAfterFirstSteps = 0x0;
 775   //////////////////////////////////
 776   // Subtract hadron background
 777   /////////////////////////////////
 778   AliCFDataGrid *dataspectrumaftersubstraction = 0x0;
 779   AliCFDataGrid *unnormalizedRawSpectrum = 0x0;
 780   TGraphErrors *gNormalizedRawSpectrum = 0x0;
 781   if(subtractcontamination) {
 782       if(!fBeauty2ndMethod) dataspectrumaftersubstraction = SubtractBackground(kTRUE);
 783       else dataspectrumaftersubstraction = GetRawBspectra2ndMethod();
 784       unnormalizedRawSpectrum = (AliCFDataGrid*)dataspectrumaftersubstraction->Clone();
 785       dataGridAfterFirstSteps = dataspectrumaftersubstraction;
 786       gNormalizedRawSpectrum = Normalize(unnormalizedRawSpectrum);
 787   }
 788
 789   printf("after normalize getting IP \n");
 790
 791   /////////////////////////////////////////////////////////////////////////////////////////
 792   // Correct for IP efficiency for beauty electrons after subtracting all the backgrounds
 793   /////////////////////////////////////////////////////////////////////////////////////////
 794
 795   AliCFDataGrid *dataspectrumafterefficiencyparametrizedcorrection = 0x0;
 796   AliCFDataGrid *dataspectrumafterV0efficiencycorrection = 0x0;
 797   AliCFContainer *dataContainerV0 = GetContainer(kDataContainerV0);
 798
 799   if(fEfficiencyFunction){
 800     dataspectrumafterefficiencyparametrizedcorrection = CorrectParametrizedEfficiency(dataGridAfterFirstSteps);
 801     dataGridAfterFirstSteps = dataspectrumafterefficiencyparametrizedcorrection;
 802   }
 803   else if(dataContainerV0){
 804     dataspectrumafterV0efficiencycorrection = CorrectV0Efficiency(dataspectrumaftersubstraction);
 805     dataGridAfterFirstSteps = dataspectrumafterV0efficiencycorrection;
 806   }
 807
 808
 809
 810   ///////////////
 811   // Unfold
 812   //////////////
 813   TList *listunfolded = Unfold(dataGridAfterFirstSteps);
 814   if(!listunfolded){
 815     printf("Unfolded failed\n");
 816     return kFALSE;
 817   }
 818   THnSparse *correctedspectrum = (THnSparse *) listunfolded->At(0);
 819   THnSparse *residualspectrum = (THnSparse *) listunfolded->At(1);
 820   if(!correctedspectrum){
 821     AliError("No corrected spectrum\n");
 822     return kFALSE;
 823   }
 824   if(!residualspectrum){
 825     AliError("No residual spectrum\n");
 826     return kFALSE;
 827   }
 828
 829   /////////////////////
 830   // Simply correct
 831   ////////////////////
 832
 833   AliCFDataGrid *alltogetherCorrection = CorrectForEfficiency(dataGridAfterFirstSteps);
 834
 835
 836   //////////
 837   // Plot
 838   //////////
 839
 840   if(fDebugLevel > 0.0) {
 841
 842     Int_t ptpr = 0;
 843     if(fBeamType==0) ptpr=0;
 844     if(fBeamType==1) ptpr=1;
 845
 846     TCanvas * ccorrected = new TCanvas("corrected","corrected",1000,700);
 847     ccorrected->Divide(2,1);
 848     ccorrected->cd(1);
 849     gPad->SetLogy();
 850     TGraphErrors* correctedspectrumD = Normalize(correctedspectrum);
 851     correctedspectrumD->SetTitle("");
 852     correctedspectrumD->GetYaxis()->SetTitleOffset(1.5);
 853     correctedspectrumD->GetYaxis()->SetRangeUser(0.000000001,1.0);
 854     correctedspectrumD->SetMarkerStyle(26);
 855     correctedspectrumD->SetMarkerColor(kBlue);
 856     correctedspectrumD->SetLineColor(kBlue);
 857     correctedspectrumD->Draw("AP");
 858     TGraphErrors* alltogetherspectrumD = Normalize(alltogetherCorrection);
 859     alltogetherspectrumD->SetTitle("");
 860     alltogetherspectrumD->GetYaxis()->SetTitleOffset(1.5);
 861     alltogetherspectrumD->GetYaxis()->SetRangeUser(0.000000001,1.0);
 862     alltogetherspectrumD->SetMarkerStyle(25);
 863     alltogetherspectrumD->SetMarkerColor(kBlack);
 864     alltogetherspectrumD->SetLineColor(kBlack);
 865     alltogetherspectrumD->Draw("P");
 866     TLegend *legcorrected = new TLegend(0.4,0.6,0.89,0.89);
 867     legcorrected->AddEntry(correctedspectrumD,"Corrected","p");
 868     legcorrected->AddEntry(alltogetherspectrumD,"Alltogether","p");
 869     legcorrected->Draw("same");
 870     ccorrected->cd(2);
 871     TH1D *correctedTH1D = correctedspectrum->Projection(ptpr);
 872     TH1D *alltogetherTH1D = (TH1D *) alltogetherCorrection->Project(ptpr);
 873     TH1D* ratiocorrected = (TH1D*)correctedTH1D->Clone();
 874     ratiocorrected->SetName("ratiocorrected");
 875     ratiocorrected->SetTitle("");
 876     ratiocorrected->GetYaxis()->SetTitle("Unfolded/DirectCorrected");
 877     ratiocorrected->GetXaxis()->SetTitle("p_{T} [GeV/c]");
 878     ratiocorrected->Divide(correctedTH1D,alltogetherTH1D,1,1);
 879     ratiocorrected->SetStats(0);
 880     ratiocorrected->Draw();
 881     if(fWriteToFile) ccorrected->SaveAs("CorrectedBeauty.eps");
 882
 883     if(fBeamType == 0){
 884         if(fNonHFEsyst){
 885             CalculateNonHFEsyst(0);
 886         }
 887     }
 888
 889     // Dump to file if needed
 890
 891     if(fDumpToFile) {
 892         // to do centrality dependent
 893
 894       TFile *out;
 895       out = new TFile("finalSpectrum.root","recreate");
 896       out->cd();
 897       //
 898       correctedspectrumD->SetName("UnfoldingCorrectedSpectrum");
 899       correctedspectrumD->Write();
 900       alltogetherspectrumD->SetName("AlltogetherSpectrum");
 901       alltogetherspectrumD->Write();
 902       ratiocorrected->SetName("RatioUnfoldingAlltogetherSpectrum");
 903       ratiocorrected->Write();
 904       //
 905       correctedspectrum->SetName("UnfoldingCorrectedNotNormalizedSpectrum");
 906       correctedspectrum->Write();
 907       alltogetherCorrection->SetName("AlltogetherCorrectedNotNormalizedSpectrum");
 908       alltogetherCorrection->Write();
 909       //
 910       if(unnormalizedRawSpectrum) {
 911       unnormalizedRawSpectrum->SetName("beautyAfterIP");
 912       unnormalizedRawSpectrum->Write();
 913       }
 914
 915       if(gNormalizedRawSpectrum){
 916         gNormalizedRawSpectrum->SetName("normalizedBeautyAfterIP");
 917         gNormalizedRawSpectrum->Write();
 918       }
 919
 920       if(fBeamType==0) {
 921           Int_t countpp=0;
 922           fEfficiencyCharmSigD[countpp]->SetTitle(Form("IPEfficiencyForCharmSigCent%i",countpp));
 923           fEfficiencyCharmSigD[countpp]->SetName(Form("IPEfficiencyForCharmSigCent%i",countpp));
 924           fEfficiencyCharmSigD[countpp]->Write();
 925           fEfficiencyBeautySigD[countpp]->SetTitle(Form("IPEfficiencyForBeautySigCent%i",countpp));
 926           fEfficiencyBeautySigD[countpp]->SetName(Form("IPEfficiencyForBeautySigCent%i",countpp));
 927           fEfficiencyBeautySigD[countpp]->Write();
 928           fCharmEff[countpp]->SetTitle(Form("IPEfficiencyForCharmCent%i",countpp));
 929           fCharmEff[countpp]->SetName(Form("IPEfficiencyForCharmCent%i",countpp));
 930           fCharmEff[countpp]->Write();
 931           fBeautyEff[countpp]->SetTitle(Form("IPEfficiencyForBeautyCent%i",countpp));
 932           fBeautyEff[countpp]->SetName(Form("IPEfficiencyForBeautyCent%i",countpp));
 933           fBeautyEff[countpp]->Write();
 934           fConversionEff[countpp]->SetTitle(Form("IPEfficiencyForConversionCent%i",countpp));
 935           fConversionEff[countpp]->SetName(Form("IPEfficiencyForConversionCent%i",countpp));
 936           fConversionEff[countpp]->Write();
 937           fNonHFEEff[countpp]->SetTitle(Form("IPEfficiencyForNonHFECent%i",countpp));
 938           fNonHFEEff[countpp]->SetName(Form("IPEfficiencyForNonHFECent%i",countpp));
 939           fNonHFEEff[countpp]->Write();
 940       }
 941
 942       if(fBeamType==1) {
 943
 944           TGraphErrors* correctedspectrumDc[kCentrality];
 945           TGraphErrors* alltogetherspectrumDc[kCentrality];
 946           for(Int_t i=0;i<kCentrality-2;i++)
 947           {
 948               correctedspectrum->GetAxis(0)->SetRange(i+1,i+1);
 949               correctedspectrumDc[i] = Normalize(correctedspectrum,i);
 950               if(correctedspectrumDc[i]){
 951                 correctedspectrumDc[i]->SetTitle(Form("UnfoldingCorrectedSpectrum_%i",i));
 952                 correctedspectrumDc[i]->SetName(Form("UnfoldingCorrectedSpectrum_%i",i));
 953                 correctedspectrumDc[i]->Write();
 954               }
 955               alltogetherCorrection->GetAxis(0)->SetRange(i+1,i+1);
 956               alltogetherspectrumDc[i] = Normalize(alltogetherCorrection,i);
 957               if(alltogetherspectrumDc[i]){
 958                 alltogetherspectrumDc[i]->SetTitle(Form("AlltogetherSpectrum_%i",i));
 959                 alltogetherspectrumDc[i]->SetName(Form("AlltogetherSpectrum_%i",i));
 960                 alltogetherspectrumDc[i]->Write();
 961               }
 962
 963               TH1D *centrcrosscheck = correctedspectrum->Projection(0);
 964               centrcrosscheck->SetTitle(Form("centrality_%i",i));
 965               centrcrosscheck->SetName(Form("centrality_%i",i));
 966               centrcrosscheck->Write();
 967
 968               TH1D *correctedTH1Dc = correctedspectrum->Projection(ptpr);
 969               TH1D *alltogetherTH1Dc = (TH1D *) alltogetherCorrection->Project(ptpr);
 970
 971               TH1D *centrcrosscheck2 =  (TH1D *) alltogetherCorrection->Project(0);
 972               centrcrosscheck2->SetTitle(Form("centrality2_%i",i));
 973               centrcrosscheck2->SetName(Form("centrality2_%i",i));
 974               centrcrosscheck2->Write();
 975
 976               TH1D* ratiocorrectedc = (TH1D*)correctedTH1D->Clone();
 977               ratiocorrectedc->Divide(correctedTH1Dc,alltogetherTH1Dc,1,1);
 978               ratiocorrectedc->SetTitle(Form("RatioUnfoldingAlltogetherSpectrum_%i",i));
 979               ratiocorrectedc->SetName(Form("RatioUnfoldingAlltogetherSpectrum_%i",i));
 980               ratiocorrectedc->Write();
 981
 982               fEfficiencyCharmSigD[i]->SetTitle(Form("IPEfficiencyForCharmSigCent%i",i));
 983               fEfficiencyCharmSigD[i]->SetName(Form("IPEfficiencyForCharmSigCent%i",i));
 984               fEfficiencyCharmSigD[i]->Write();
 985               fEfficiencyBeautySigD[i]->SetTitle(Form("IPEfficiencyForBeautySigCent%i",i));
 986               fEfficiencyBeautySigD[i]->SetName(Form("IPEfficiencyForBeautySigCent%i",i));
 987               fEfficiencyBeautySigD[i]->Write();
 988               fCharmEff[i]->SetTitle(Form("IPEfficiencyForCharmCent%i",i));
 989               fCharmEff[i]->SetName(Form("IPEfficiencyForCharmCent%i",i));
 990               fCharmEff[i]->Write();
 991               fBeautyEff[i]->SetTitle(Form("IPEfficiencyForBeautyCent%i",i));
 992               fBeautyEff[i]->SetName(Form("IPEfficiencyForBeautyCent%i",i));
 993               fBeautyEff[i]->Write();
 994               fConversionEff[i]->SetTitle(Form("IPEfficiencyForConversionCent%i",i));
 995               fConversionEff[i]->SetName(Form("IPEfficiencyForConversionCent%i",i));
 996               fConversionEff[i]->Write();
 997               fNonHFEEff[i]->SetTitle(Form("IPEfficiencyForNonHFECent%i",i));
 998               fNonHFEEff[i]->SetName(Form("IPEfficiencyForNonHFECent%i",i));
 999               fNonHFEEff[i]->Write();
1000           }
1001
1002       }
1003
1004       out->Close();
1005       delete out;
1006     }
1007   }
1008
1009   return kTRUE;
1010 }
1011
1012 //____________________________________________________________
1013 AliCFDataGrid* AliHFEspectrum::SubtractBackground(Bool_t setBackground){
1014   //
1015   // Apply background subtraction
1016   //
1017
1018     Int_t ptpr = 0;
1019     Int_t nbins=1;
1020     if(fBeamType==0)
1021     {
1022         ptpr=0;
1023         nbins=1;
1024     }
1025     if(fBeamType==1)
1026     {
1027         ptpr=1;
1028         nbins=2;
1029     }
1030
1031   // Raw spectrum
1032   AliCFContainer *dataContainer = GetContainer(kDataContainer);
1033   if(!dataContainer){
1034     AliError("Data Container not available");
1035     return NULL;
1036   }
1037   printf("Step data: %d\n",fStepData);
1038   AliCFDataGrid *spectrumSubtracted = new AliCFDataGrid("spectrumSubtracted", "Data Grid for spectrum after Background subtraction", *dataContainer,fStepData);
1039
1040   AliCFDataGrid *dataspectrumbeforesubstraction = (AliCFDataGrid *) ((AliCFDataGrid *)GetSpectrum(GetContainer(kDataContainer),fStepData))->Clone();
1041   dataspectrumbeforesubstraction->SetName("dataspectrumbeforesubstraction");
1042
1043
1044   // Background Estimate
1045   AliCFContainer *backgroundContainer = GetContainer(kBackgroundData);
1046   if(!backgroundContainer){
1047     AliError("MC background container not found");
1048     return NULL;
1049   }
1050
1051   Int_t stepbackground = 1; // 2 for !fInclusiveSpectrum analysis(old method)
1052   AliCFDataGrid *backgroundGrid = new AliCFDataGrid("ContaminationGrid","ContaminationGrid",*backgroundContainer,stepbackground);
1053
1054   if(!fInclusiveSpectrum){
1055     //Background subtraction for IP analysis
1056
1057     TH1D *incElecCent[kCentrality-1];
1058     TH1D *charmCent[kCentrality-1];
1059     TH1D *convCent[kCentrality-1];
1060     TH1D *nonHFECent[kCentrality-1];
1061     TH1D *subtractedCent[kCentrality-1];
1062     TH1D *measuredTH1Draw = (TH1D *) dataspectrumbeforesubstraction->Project(ptpr);
1063     CorrectFromTheWidth(measuredTH1Draw);
1064     if(fBeamType==1){
1065       THnSparseF* sparseIncElec = (THnSparseF *) dataspectrumbeforesubstraction->GetGrid();
1066       for(Int_t icent =  1; icent < kCentrality-1; icent++){
1067         sparseIncElec->GetAxis(0)->SetRange(icent,icent);
1068         incElecCent[icent-1] = (TH1D *) sparseIncElec->Projection(ptpr);
1069         CorrectFromTheWidth(incElecCent[icent-1]);
1070       }
1071     }
1072     TCanvas *rawspectra = new TCanvas("rawspectra","rawspectra",500,400);
1073     rawspectra->cd();
1074     rawspectra->SetLogy();
1075     gStyle->SetOptStat(0);
1076     TLegend *lRaw = new TLegend(0.55,0.55,0.85,0.85);
1077     measuredTH1Draw->SetMarkerStyle(20);
1078     measuredTH1Draw->Draw();
1079     measuredTH1Draw->GetXaxis()->SetRangeUser(0.0,7.9);
1080     lRaw->AddEntry(measuredTH1Draw,"measured raw spectrum");
1081     TH1D* htemp;
1082     Int_t* bins=new Int_t[2];
1083     if(fIPanaHadronBgSubtract){
1084       // Hadron background
1085         printf("Hadron background for IP analysis subtracted!\n");
1086         if(fBeamType==0)
1087         {
1088
1089             htemp  = (TH1D *) fHadronEffbyIPcut->Projection(0);
1090             bins[0]=htemp->GetNbinsX();
1091         }
1092         if(fBeamType==1)
1093         {
1094             htemp  = (TH1D *) fHadronEffbyIPcut->Projection(0);
1095             bins[0]=htemp->GetNbinsX();
1096             htemp  = (TH1D *) fHadronEffbyIPcut->Projection(1);
1097             bins[1]=htemp->GetNbinsX();
1098         }
1099       AliCFDataGrid *hbgContainer = new AliCFDataGrid("hbgContainer","hadron bg after IP cut",nbins,bins);
1100       hbgContainer->SetGrid(fHadronEffbyIPcut);
1101       backgroundGrid->Multiply(hbgContainer,1);
1102       // draw raw hadron bg spectra
1103       TH1D *hadronbg= (TH1D *) backgroundGrid->Project(ptpr);
1104       CorrectFromTheWidth(hadronbg);
1105       hadronbg->SetMarkerColor(7);
1106       hadronbg->SetMarkerStyle(20);
1107       rawspectra->cd();
1108       hadronbg->Draw("samep");
1109       lRaw->AddEntry(hadronbg,"hadrons");
1110       // subtract hadron contamination
1111       spectrumSubtracted->Add(backgroundGrid,-1.0);
1112     }
1113     if(fIPanaCharmBgSubtract){
1114       // Charm background
1115       printf("Charm background for IP analysis subtracted!\n");
1116       AliCFDataGrid *charmbgContainer = (AliCFDataGrid *) GetCharmBackground();
1117       // draw charm bg spectra
1118       TH1D *charmbg= (TH1D *) charmbgContainer->Project(ptpr);
1119       CorrectFromTheWidth(charmbg);
1120       charmbg->SetMarkerColor(3);
1121       charmbg->SetMarkerStyle(20);
1122       rawspectra->cd();
1123       charmbg->Draw("samep");
1124       lRaw->AddEntry(charmbg,"charm elecs");
1125       // subtract charm background
1126       spectrumSubtracted->Add(charmbgContainer,-1.0);
1127       if(fBeamType==1){
1128         THnSparseF* sparseCharmElec = (THnSparseF *) charmbgContainer->GetGrid();
1129         for(Int_t icent =  1; icent < kCentrality-1; icent++){
1130           sparseCharmElec->GetAxis(0)->SetRange(icent,icent);
1131           charmCent[icent-1] = (TH1D *) sparseCharmElec->Projection(ptpr);
1132           CorrectFromTheWidth(charmCent[icent-1]);
1133         }
1134       }
1135     }
1136     if(fIPanaConversionBgSubtract){
1137       // Conversion background
1138       AliCFDataGrid *conversionbgContainer = (AliCFDataGrid *) GetConversionBackground();
1139       // draw conversion bg spectra
1140       TH1D *conversionbg= (TH1D *) conversionbgContainer->Project(ptpr);
1141       CorrectFromTheWidth(conversionbg);
1142       conversionbg->SetMarkerColor(4);
1143       conversionbg->SetMarkerStyle(20);
1144       rawspectra->cd();
1145       conversionbg->Draw("samep");
1146       lRaw->AddEntry(conversionbg,"conversion elecs");
1147       // subtract conversion background
1148       spectrumSubtracted->Add(conversionbgContainer,-1.0);
1149       if(fBeamType==1){
1150         THnSparseF* sparseconvElec = (THnSparseF *) conversionbgContainer->GetGrid();
1151         for(Int_t icent =  1; icent < kCentrality-1; icent++){
1152           sparseconvElec->GetAxis(0)->SetRange(icent,icent);
1153           convCent[icent-1] = (TH1D *) sparseconvElec->Projection(ptpr);
1154           CorrectFromTheWidth(convCent[icent-1]);
1155         }
1156       }
1157     }
1158     if(fIPanaNonHFEBgSubtract){
1159       // NonHFE background
1160       AliCFDataGrid *nonHFEbgContainer = (AliCFDataGrid *) GetNonHFEBackground();
1161       // draw Dalitz/dielectron bg spectra
1162       TH1D *nonhfebg= (TH1D *) nonHFEbgContainer->Project(ptpr);
1163       CorrectFromTheWidth(nonhfebg);
1164       nonhfebg->SetMarkerColor(6);
1165       nonhfebg->SetMarkerStyle(20);
1166       rawspectra->cd();
1167       nonhfebg->Draw("samep");
1168       lRaw->AddEntry(nonhfebg,"non-HF elecs");
1169       // subtract Dalitz/dielectron background
1170       spectrumSubtracted->Add(nonHFEbgContainer,-1.0);
1171       if(fBeamType==1){
1172         THnSparseF* sparseNonHFEElec = (THnSparseF *) nonHFEbgContainer->GetGrid();
1173         for(Int_t icent =  1; icent < kCentrality-1; icent++){
1174           sparseNonHFEElec->GetAxis(0)->SetRange(icent,icent);
1175           nonHFECent[icent-1] = (TH1D *) sparseNonHFEElec->Projection(ptpr);
1176           CorrectFromTheWidth(nonHFECent[icent-1]);
1177         }
1178       }
1179     }
1180
1181     TH1D *rawbgsubtracted = (TH1D *) spectrumSubtracted->Project(ptpr);
1182     CorrectFromTheWidth(rawbgsubtracted);
1183     rawbgsubtracted->SetMarkerStyle(24);
1184     rawspectra->cd();
1185     lRaw->AddEntry(rawbgsubtracted,"subtracted raw spectrum");
1186     rawbgsubtracted->Draw("samep");
1187     lRaw->Draw("SAME");
1188     gPad->SetGrid();
1189     //rawspectra->SaveAs("rawspectra.eps");
1190
1191     if(fBeamType==1){
1192       THnSparseF* sparseSubtracted = (THnSparseF *) spectrumSubtracted->GetGrid();
1193       for(Int_t icent =  1; icent < kCentrality-1; icent++){
1194         sparseSubtracted->GetAxis(0)->SetRange(icent,icent);
1195         subtractedCent[icent-1] = (TH1D *) sparseSubtracted->Projection(ptpr);
1196         CorrectFromTheWidth(subtractedCent[icent-1]);
1197       }
1198
1199       TLegend *lCentRaw = new TLegend(0.55,0.55,0.85,0.85);
1200       TCanvas *centRaw = new TCanvas("centRaw","centRaw",1000,800);
1201       centRaw->Divide(3,3);
1202       for(Int_t icent = 1; icent < kCentrality-1; icent++){
1203         centRaw->cd(icent);
1204         gPad->SetLogx();
1205         gPad->SetLogy();
1206         incElecCent[icent-1]->GetXaxis()->SetRangeUser(0.4,8.);
1207         incElecCent[icent-1]->Draw("p");
1208         incElecCent[icent-1]->SetMarkerColor(1);
1209         incElecCent[icent-1]->SetMarkerStyle(20);
1210         charmCent[icent-1]->Draw("samep");
1211         charmCent[icent-1]->SetMarkerColor(3);
1212         charmCent[icent-1]->SetMarkerStyle(20);
1213         convCent[icent-1]->Draw("samep");
1214         convCent[icent-1]->SetMarkerColor(4);
1215         convCent[icent-1]->SetMarkerStyle(20);
1216         nonHFECent[icent-1]->Draw("samep");
1217         nonHFECent[icent-1]->SetMarkerColor(6);
1218         nonHFECent[icent-1]->SetMarkerStyle(20);
1219         subtractedCent[icent-1]->Draw("samep");
1220         subtractedCent[icent-1]->SetMarkerStyle(24);
1221         if(icent == 1){
1222           lCentRaw->AddEntry(incElecCent[0],"inclusive electron spectrum");
1223           lCentRaw->AddEntry(charmCent[0],"charm elecs");
1224           lCentRaw->AddEntry(convCent[0],"conversion elecs");
1225           lCentRaw->AddEntry(nonHFECent[0],"non-HF elecs");
1226           lCentRaw->AddEntry(subtractedCent[0],"subtracted electron spectrum");
1227           lCentRaw->Draw("SAME");
1228         }
1229       }
1230     }
1231
1232     delete[] bins;
1233
1234   }
1235   else{
1236     // Subtract
1237     spectrumSubtracted->Add(backgroundGrid,-1.0);
1238   }
1239
1240   if(setBackground){
1241     if(fBackground) delete fBackground;
1242     fBackground = backgroundGrid;
1243   } else delete backgroundGrid;
1244
1245
1246   if(fDebugLevel > 0) {
1247
1248     Int_t ptprd;
1249     if(fBeamType==0) ptprd=0;
1250     if(fBeamType==1) ptprd=1;
1251
1252     TCanvas * cbackgroundsubtraction = new TCanvas("backgroundsubtraction","backgroundsubtraction",1000,700);
1253     cbackgroundsubtraction->Divide(3,1);
1254     cbackgroundsubtraction->cd(1);
1255     gPad->SetLogy();
1256     TH1D *measuredTH1Daftersubstraction = (TH1D *) spectrumSubtracted->Project(ptprd);
1257     TH1D *measuredTH1Dbeforesubstraction = (TH1D *) dataspectrumbeforesubstraction->Project(ptprd);
1258     CorrectFromTheWidth(measuredTH1Daftersubstraction);
1259     CorrectFromTheWidth(measuredTH1Dbeforesubstraction);
1260     measuredTH1Daftersubstraction->SetStats(0);
1261     measuredTH1Daftersubstraction->SetTitle("");
1262     measuredTH1Daftersubstraction->GetYaxis()->SetTitle("dN/dp_{T} [(GeV/c)^{-1}]");
1263     measuredTH1Daftersubstraction->GetXaxis()->SetTitle("p_{T} [GeV/c]");
1264     measuredTH1Daftersubstraction->SetMarkerStyle(25);
1265     measuredTH1Daftersubstraction->SetMarkerColor(kBlack);
1266     measuredTH1Daftersubstraction->SetLineColor(kBlack);
1267     measuredTH1Dbeforesubstraction->SetStats(0);
1268     measuredTH1Dbeforesubstraction->SetTitle("");
1269     measuredTH1Dbeforesubstraction->GetYaxis()->SetTitle("dN/dp_{T} [(GeV/c)^{-1}]");
1270     measuredTH1Dbeforesubstraction->GetXaxis()->SetTitle("p_{T} [GeV/c]");
1271     measuredTH1Dbeforesubstraction->SetMarkerStyle(24);
1272     measuredTH1Dbeforesubstraction->SetMarkerColor(kBlue);
1273     measuredTH1Dbeforesubstraction->SetLineColor(kBlue);
1274     measuredTH1Daftersubstraction->Draw();
1275     measuredTH1Dbeforesubstraction->Draw("same");
1276     TLegend *legsubstraction = new TLegend(0.4,0.6,0.89,0.89);
1277     legsubstraction->AddEntry(measuredTH1Dbeforesubstraction,"With hadron contamination","p");
1278     legsubstraction->AddEntry(measuredTH1Daftersubstraction,"Without hadron contamination ","p");
1279     legsubstraction->Draw("same");
1280     cbackgroundsubtraction->cd(2);
1281     gPad->SetLogy();
1282     TH1D* ratiomeasuredcontamination = (TH1D*)measuredTH1Dbeforesubstraction->Clone();
1283     ratiomeasuredcontamination->SetName("ratiomeasuredcontamination");
1284     ratiomeasuredcontamination->SetTitle("");
1285     ratiomeasuredcontamination->GetYaxis()->SetTitle("(with contamination - without contamination) / with contamination");
1286     ratiomeasuredcontamination->GetXaxis()->SetTitle("p_{T} [GeV/c]");
1287     ratiomeasuredcontamination->Sumw2();
1288     ratiomeasuredcontamination->Add(measuredTH1Daftersubstraction,-1.0);
1289     ratiomeasuredcontamination->Divide(measuredTH1Dbeforesubstraction);
1290     ratiomeasuredcontamination->SetStats(0);
1291     ratiomeasuredcontamination->SetMarkerStyle(26);
1292     ratiomeasuredcontamination->SetMarkerColor(kBlack);
1293     ratiomeasuredcontamination->SetLineColor(kBlack);
1294     for(Int_t k=0; k < ratiomeasuredcontamination->GetNbinsX(); k++){
1295       ratiomeasuredcontamination->SetBinError(k+1,0.0);
1296     }
1297     ratiomeasuredcontamination->Draw("P");
1298     cbackgroundsubtraction->cd(3);
1299     TH1D *measuredTH1background = (TH1D *) backgroundGrid->Project(ptprd);
1300     CorrectFromTheWidth(measuredTH1background);
1301     measuredTH1background->SetStats(0);
1302     measuredTH1background->SetTitle("");
1303     measuredTH1background->GetYaxis()->SetTitle("dN/dp_{T} [(GeV/c)^{-1}]");
1304     measuredTH1background->GetXaxis()->SetTitle("p_{T} [GeV/c]");
1305     measuredTH1background->SetMarkerStyle(26);
1306     measuredTH1background->SetMarkerColor(kBlack);
1307     measuredTH1background->SetLineColor(kBlack);
1308     measuredTH1background->Draw();
1309     if(fWriteToFile) cbackgroundsubtraction->SaveAs("BackgroundSubtracted.eps");
1310
1311     if(fBeamType==1) {
1312
1313       TCanvas * cbackgrounde = new TCanvas("BackgroundSubtraction_allspectra","BackgroundSubtraction_allspectra",1000,700);
1314       cbackgrounde->Divide(2,1);
1315       TLegend *legtotal = new TLegend(0.4,0.6,0.89,0.89);
1316       TLegend *legtotalg = new TLegend(0.4,0.6,0.89,0.89);
1317
1318       THnSparseF* sparsesubtracted = (THnSparseF *) spectrumSubtracted->GetGrid();
1319       TAxis *cenaxisa = sparsesubtracted->GetAxis(0);
1320       THnSparseF* sparsebefore = (THnSparseF *) dataspectrumbeforesubstraction->GetGrid();
1321       TAxis *cenaxisb = sparsebefore->GetAxis(0);
1322       Int_t nbbin = cenaxisb->GetNbins();
1323       Int_t stylee[20] = {20,21,22,23,24,25,26,27,28,30,4,5,7,29,29,29,29,29,29,29};
1324       Int_t colorr[20] = {2,3,4,5,6,7,8,9,46,38,29,30,31,32,33,34,35,37,38,20};
1325       for(Int_t binc = 0; binc < nbbin; binc++){
1326         TString titlee("BackgroundSubtraction_centrality_bin_");
1327         titlee += binc;
1328         TCanvas * cbackground = new TCanvas((const char*) titlee,(const char*) titlee,1000,700);
1329         cbackground->Divide(2,1);
1330         cbackground->cd(1);
1331         gPad->SetLogy();
1332         cenaxisa->SetRange(binc+1,binc+1);
1333         cenaxisb->SetRange(binc+1,binc+1);
1334         TH1D *aftersubstraction = (TH1D *) sparsesubtracted->Projection(1);
1335         TH1D *beforesubstraction = (TH1D *) sparsebefore->Projection(1);
1336         CorrectFromTheWidth(aftersubstraction);
1337         CorrectFromTheWidth(beforesubstraction);
1338         aftersubstraction->SetStats(0);
1339         aftersubstraction->SetTitle((const char*)titlee);
1340         aftersubstraction->GetYaxis()->SetTitle("dN/dp_{T} [(GeV/c)^{-1}]");
1341         aftersubstraction->GetXaxis()->SetTitle("p_{T} [GeV/c]");
1342         aftersubstraction->SetMarkerStyle(25);
1343         aftersubstraction->SetMarkerColor(kBlack);
1344         aftersubstraction->SetLineColor(kBlack);
1345         beforesubstraction->SetStats(0);
1346         beforesubstraction->SetTitle((const char*)titlee);
1347         beforesubstraction->GetYaxis()->SetTitle("dN/dp_{T} [(GeV/c)^{-1}]");
1348         beforesubstraction->GetXaxis()->SetTitle("p_{T} [GeV/c]");
1349         beforesubstraction->SetMarkerStyle(24);
1350         beforesubstraction->SetMarkerColor(kBlue);
1351         beforesubstraction->SetLineColor(kBlue);
1352         aftersubstraction->Draw();
1353         beforesubstraction->Draw("same");
1354         TLegend *lega = new TLegend(0.4,0.6,0.89,0.89);
1355         lega->AddEntry(beforesubstraction,"With hadron contamination","p");
1356         lega->AddEntry(aftersubstraction,"Without hadron contamination ","p");
1357         lega->Draw("same");
1358         cbackgrounde->cd(1);
1359         gPad->SetLogy();
1360         TH1D *aftersubtractionn = (TH1D *) aftersubstraction->Clone();
1361         aftersubtractionn->SetMarkerStyle(stylee[binc]);
1362         aftersubtractionn->SetMarkerColor(colorr[binc]);
1363         if(binc==0) aftersubtractionn->Draw();
1364         else aftersubtractionn->Draw("same");
1365         legtotal->AddEntry(aftersubtractionn,(const char*) titlee,"p");
1366         cbackgrounde->cd(2);
1367         gPad->SetLogy();
1368         TH1D *aftersubtractionng = (TH1D *) aftersubstraction->Clone();
1369         aftersubtractionng->SetMarkerStyle(stylee[binc]);
1370         aftersubtractionng->SetMarkerColor(colorr[binc]);
1371         if(fNEvents[binc] > 0.0) aftersubtractionng->Scale(1/(Double_t)fNEvents[binc]);
1372         if(binc==0) aftersubtractionng->Draw();
1373         else aftersubtractionng->Draw("same");
1374         legtotalg->AddEntry(aftersubtractionng,(const char*) titlee,"p");
1375         cbackground->cd(2);
1376         TH1D* ratiocontamination = (TH1D*)beforesubstraction->Clone();
1377         ratiocontamination->SetName("ratiocontamination");
1378         ratiocontamination->SetTitle((const char*)titlee);
1379         ratiocontamination->GetYaxis()->SetTitle("(with contamination - without contamination) / with contamination");
1380         ratiocontamination->GetXaxis()->SetTitle("p_{T} [GeV/c]");
1381         ratiocontamination->Add(aftersubstraction,-1.0);
1382         ratiocontamination->Divide(beforesubstraction);
1383         Int_t totalbin = ratiocontamination->GetXaxis()->GetNbins();
1384         for(Int_t nbinpt = 0; nbinpt < totalbin; nbinpt++) {
1385           ratiocontamination->SetBinError(nbinpt+1,0.0);
1386         }
1387         ratiocontamination->SetStats(0);
1388         ratiocontamination->SetMarkerStyle(26);
1389         ratiocontamination->SetMarkerColor(kBlack);
1390         ratiocontamination->SetLineColor(kBlack);
1391         ratiocontamination->Draw("P");
1392       }
1393
1394       cbackgrounde->cd(1);
1395       legtotal->Draw("same");
1396       cbackgrounde->cd(2);
1397       legtotalg->Draw("same");
1398
1399       cenaxisa->SetRange(0,nbbin);
1400       cenaxisb->SetRange(0,nbbin);
1401       if(fWriteToFile) cbackgrounde->SaveAs("BackgroundSubtractedPbPb.eps");
1402     }
1403   }
1404
1405   return spectrumSubtracted;
1406 }
1407
1408 //____________________________________________________________
1409 AliCFDataGrid* AliHFEspectrum::GetCharmBackground(){
1410   //
1411   // calculate charm background
1412   //
1413     Int_t ptpr = 0;
1414     Int_t nDim = 1;
1415     if(fBeamType==0)
1416     {
1417         ptpr=0;
1418     }
1419     if(fBeamType==1)
1420     {
1421         ptpr=1;
1422         nDim=2;
1423     }
1424
1425   Double_t evtnorm=0;
1426   if(fNMCbgEvents[0]) evtnorm= double(fNEvents[0])/double(fNMCbgEvents[0]);
1427
1428   AliCFContainer *mcContainer = GetContainer(kMCContainerCharmMC);
1429   if(!mcContainer){
1430     AliError("MC Container not available");
1431     return NULL;
1432   }
1433
1434   if(!fCorrelation){
1435     AliError("No Correlation map available");
1436     return NULL;
1437   }
1438
1439   AliCFDataGrid *charmBackgroundGrid= 0x0;
1440   charmBackgroundGrid = new AliCFDataGrid("charmBackgroundGrid","charmBackgroundGrid",*mcContainer, fStepMC-1); // use MC eff. up to right before PID
1441
1442   TH1D *charmbgaftertofpid = (TH1D *) charmBackgroundGrid->Project(0);
1443   Int_t* bins=new Int_t[2];
1444   bins[0]=charmbgaftertofpid->GetNbinsX();
1445
1446   if(fBeamType==1)
1447   {
1448       bins[0]=12;
1449       charmbgaftertofpid = (TH1D *) charmBackgroundGrid->Project(1);
1450       bins[1]=charmbgaftertofpid->GetNbinsX();
1451
1452   }
1453
1454   AliCFDataGrid *ipWeightedCharmContainer = new AliCFDataGrid("ipWeightedCharmContainer","ipWeightedCharmContainer",nDim,bins);
1455   ipWeightedCharmContainer->SetGrid(GetPIDxIPEff(0)); // get charm efficiency
1456   TH1D* parametrizedcharmpidipeff = (TH1D*)ipWeightedCharmContainer->Project(ptpr);
1457
1458   charmBackgroundGrid->Multiply(ipWeightedCharmContainer,1.);
1459
1460   Int_t *nBinpp=new Int_t[1];
1461   Int_t* binspp=new Int_t[1];
1462   binspp[0]=charmbgaftertofpid->GetNbinsX();  // number of pt bins
1463
1464   Int_t *nBinPbPb=new Int_t[2];
1465   Int_t* binsPbPb=new Int_t[2];
1466   binsPbPb[1]=charmbgaftertofpid->GetNbinsX();  // number of pt bins
1467   binsPbPb[0]=12;
1468
1469   Int_t looppt=binspp[0];
1470   if(fBeamType==1) looppt=binsPbPb[1];
1471
1472   for(Long_t iBin=1; iBin<= looppt;iBin++){
1473       if(fBeamType==0)
1474       {
1475           nBinpp[0]=iBin;
1476           charmBackgroundGrid->SetElementError(nBinpp, charmBackgroundGrid->GetElementError(nBinpp)*evtnorm);
1477           charmBackgroundGrid->SetElement(nBinpp,charmBackgroundGrid->GetElement(nBinpp)*evtnorm);
1478       }
1479       if(fBeamType==1)
1480       {
1481           // loop over centrality
1482           for(Long_t iiBin=1; iiBin<= binsPbPb[0];iiBin++){
1483               nBinPbPb[0]=iiBin;
1484               nBinPbPb[1]=iBin;
1485               Double_t evtnormPbPb=0;
1486               if(fNMCbgEvents[iiBin-1]) evtnormPbPb= double(fNEvents[iiBin-1])/double(fNMCbgEvents[iiBin-1]);
1487               charmBackgroundGrid->SetElementError(nBinPbPb, charmBackgroundGrid->GetElementError(nBinPbPb)*evtnormPbPb);
1488               charmBackgroundGrid->SetElement(nBinPbPb,charmBackgroundGrid->GetElement(nBinPbPb)*evtnormPbPb);
1489           }
1490       }
1491   }
1492
1493   TH1D* charmbgafteripcut = (TH1D*)charmBackgroundGrid->Project(ptpr);
1494
1495   AliCFDataGrid *weightedCharmContainer = new AliCFDataGrid("weightedCharmContainer","weightedCharmContainer",nDim,bins);
1496   weightedCharmContainer->SetGrid(GetCharmWeights()); // get charm weighting factors
1497   TH1D* charmweightingfc = (TH1D*)weightedCharmContainer->Project(ptpr);
1498   charmBackgroundGrid->Multiply(weightedCharmContainer,1.);
1499   TH1D* charmbgafterweight = (TH1D*)charmBackgroundGrid->Project(ptpr);
1500
1501   // Efficiency (set efficiency to 1 for only folding)
1502   AliCFEffGrid* efficiencyD = new AliCFEffGrid("efficiency","",*mcContainer);
1503   efficiencyD->CalculateEfficiency(0,0);
1504
1505   // Folding
1506   if(fBeamType==0)nDim = 1;
1507   if(fBeamType==1)nDim = 2;
1508   AliCFUnfolding folding("unfolding","",nDim,fCorrelation,efficiencyD->GetGrid(),charmBackgroundGrid->GetGrid(),charmBackgroundGrid->GetGrid());
1509   folding.SetMaxNumberOfIterations(1);
1510   folding.Unfold();
1511
1512   // Results
1513   THnSparse* result1= folding.GetEstMeasured(); // folded spectra
1514   THnSparse* result=(THnSparse*)result1->Clone();
1515   charmBackgroundGrid->SetGrid(result);
1516   TH1D* charmbgafterfolding = (TH1D*)charmBackgroundGrid->Project(ptpr);
1517
1518   //Charm background evaluation plots
1519
1520   TCanvas *cCharmBgEval = new TCanvas("cCharmBgEval","cCharmBgEval",1000,600);
1521   cCharmBgEval->Divide(3,1);
1522
1523   cCharmBgEval->cd(1);
1524
1525   if(fBeamType==0)charmbgaftertofpid->Scale(evtnorm);
1526   if(fBeamType==1)
1527   {
1528       Double_t evtnormPbPb=0;
1529       for(Int_t kCentr=0;kCentr<bins[0];kCentr++)
1530       {
1531           if(fNMCbgEvents[kCentr]) evtnormPbPb= evtnormPbPb+double(fNEvents[kCentr])/double(fNMCbgEvents[kCentr]);
1532       }
1533       charmbgaftertofpid->Scale(evtnormPbPb);
1534   }
1535
1536   CorrectFromTheWidth(charmbgaftertofpid);
1537   charmbgaftertofpid->SetMarkerStyle(25);
1538   charmbgaftertofpid->Draw("p");
1539   charmbgaftertofpid->GetYaxis()->SetTitle("yield normalized by # of data events");
1540   charmbgaftertofpid->GetXaxis()->SetTitle("p_{T} (GeV/c)");
1541   gPad->SetLogy();
1542
1543   CorrectFromTheWidth(charmbgafteripcut);
1544   charmbgafteripcut->SetMarkerStyle(24);
1545   charmbgafteripcut->Draw("samep");
1546
1547   CorrectFromTheWidth(charmbgafterweight);
1548   charmbgafterweight->SetMarkerStyle(24);
1549   charmbgafterweight->SetMarkerColor(4);
1550   charmbgafterweight->Draw("samep");
1551
1552   CorrectFromTheWidth(charmbgafterfolding);
1553   charmbgafterfolding->SetMarkerStyle(24);
1554   charmbgafterfolding->SetMarkerColor(2);
1555   charmbgafterfolding->Draw("samep");
1556
1557   cCharmBgEval->cd(2);
1558   parametrizedcharmpidipeff->SetMarkerStyle(24);
1559   parametrizedcharmpidipeff->Draw("p");
1560   parametrizedcharmpidipeff->GetXaxis()->SetTitle("p_{T} (GeV/c)");
1561
1562   cCharmBgEval->cd(3);
1563   charmweightingfc->SetMarkerStyle(24);
1564   charmweightingfc->Draw("p");
1565   charmweightingfc->GetYaxis()->SetTitle("weighting factor for charm electron");
1566   charmweightingfc->GetXaxis()->SetTitle("p_{T} (GeV/c)");
1567
1568   cCharmBgEval->cd(1);
1569   TLegend *legcharmbg = new TLegend(0.3,0.7,0.89,0.89);
1570   legcharmbg->AddEntry(charmbgaftertofpid,"After TOF PID","p");
1571   legcharmbg->AddEntry(charmbgafteripcut,"After IP cut","p");
1572   legcharmbg->AddEntry(charmbgafterweight,"After Weighting","p");
1573   legcharmbg->AddEntry(charmbgafterfolding,"After Folding","p");
1574   legcharmbg->Draw("same");
1575
1576   cCharmBgEval->cd(2);
1577   TLegend *legcharmbg2 = new TLegend(0.3,0.7,0.89,0.89);
1578   legcharmbg2->AddEntry(parametrizedcharmpidipeff,"PID + IP cut eff.","p");
1579   legcharmbg2->Draw("same");
1580
1581   CorrectStatErr(charmBackgroundGrid);
1582   if(fWriteToFile) cCharmBgEval->SaveAs("CharmBackground.eps");
1583
1584   delete[] bins;
1585   delete[] nBinpp;
1586   delete[] binspp;
1587   delete[] nBinPbPb;
1588   delete[] binsPbPb;
1589
1590   if(fUnfoldBG) UnfoldBG(charmBackgroundGrid);
1591
1592   return charmBackgroundGrid;
1593 }
1594
1595 //____________________________________________________________
1596 AliCFDataGrid* AliHFEspectrum::GetConversionBackground(){
1597   //
1598   // calculate conversion background
1599   //
1600
1601   Double_t evtnorm[1] = {0.0};
1602   if(fNMCbgEvents[0]) evtnorm[0]= double(fNEvents[0])/double(fNMCbgEvents[0]);
1603   printf("check event!!! %lf \n",evtnorm[0]);
1604
1605   AliCFContainer *backgroundContainer = 0x0;
1606
1607   if(fNonHFEsyst){
1608     backgroundContainer = (AliCFContainer*)fConvSourceContainer[0][0][0]->Clone();
1609     for(Int_t iSource = 1; iSource < kElecBgSources; iSource++){
1610       backgroundContainer->Add(fConvSourceContainer[iSource][0][0]); // make centrality dependent
1611     }
1612   }
1613   else{
1614     // Background Estimate
1615     backgroundContainer = GetContainer(kMCWeightedContainerConversionESD);
1616   }
1617   if(!backgroundContainer){
1618     AliError("MC background container not found");
1619     return NULL;
1620   }
1621
1622   Int_t stepbackground = 3;
1623
1624   AliCFDataGrid *backgroundGrid = new AliCFDataGrid("ConversionBgGrid","ConversionBgGrid",*backgroundContainer,stepbackground);
1625   Int_t *nBinpp=new Int_t[1];
1626   Int_t* binspp=new Int_t[1];
1627   binspp[0]=fConversionEff[0]->GetNbinsX();  // number of pt bins
1628
1629   Int_t *nBinPbPb=new Int_t[2];
1630   Int_t* binsPbPb=new Int_t[2];
1631   binsPbPb[1]=fConversionEff[0]->GetNbinsX();  // number of pt bins
1632   binsPbPb[0]=12;
1633
1634   Int_t looppt=binspp[0];
1635   if(fBeamType==1) looppt=binsPbPb[1];
1636
1637   for(Long_t iBin=1; iBin<= looppt;iBin++){
1638       if(fBeamType==0)
1639       {
1640           nBinpp[0]=iBin;
1641           backgroundGrid->SetElementError(nBinpp, backgroundGrid->GetElementError(nBinpp)*evtnorm[0]);
1642           backgroundGrid->SetElement(nBinpp,backgroundGrid->GetElement(nBinpp)*evtnorm[0]);
1643       }
1644       if(fBeamType==1)
1645       {
1646           // loop over centrality
1647           for(Long_t iiBin=1; iiBin<= binsPbPb[0];iiBin++){
1648               nBinPbPb[0]=iiBin;
1649               nBinPbPb[1]=iBin;
1650               Double_t evtnormPbPb=0;
1651               if(fNMCbgEvents[iiBin-1]) evtnormPbPb= double(fNEvents[iiBin-1])/double(fNMCbgEvents[iiBin-1]);
1652               backgroundGrid->SetElementError(nBinPbPb, backgroundGrid->GetElementError(nBinPbPb)*evtnormPbPb);
1653               backgroundGrid->SetElement(nBinPbPb,backgroundGrid->GetElement(nBinPbPb)*evtnormPbPb);
1654           }
1655       }
1656   }
1657   //end of workaround for statistical errors
1658
1659   AliCFDataGrid *weightedConversionContainer;
1660   if(fBeamType==0) weightedConversionContainer = new AliCFDataGrid("weightedConversionContainer","weightedConversionContainer",1,binspp);
1661   else weightedConversionContainer = new AliCFDataGrid("weightedConversionContainer","weightedConversionContainer",2,binsPbPb);
1662   weightedConversionContainer->SetGrid(GetPIDxIPEff(2));
1663   backgroundGrid->Multiply(weightedConversionContainer,1.0);
1664
1665   delete[] nBinpp;
1666   delete[] binspp;
1667   delete[] nBinPbPb;
1668   delete[] binsPbPb;
1669
1670   return backgroundGrid;
1671 }
1672
1673
1674 //____________________________________________________________
1675 AliCFDataGrid* AliHFEspectrum::GetNonHFEBackground(){
1676   //
1677   // calculate non-HFE background
1678   //
1679
1680   Double_t evtnorm[1] = {0.0};
1681   if(fNMCbgEvents[0]) evtnorm[0]= double(fNEvents[0])/double(fNMCbgEvents[0]);
1682   printf("check event!!! %lf \n",evtnorm[0]);
1683
1684   AliCFContainer *backgroundContainer = 0x0;
1685   if(fNonHFEsyst){
1686     backgroundContainer = (AliCFContainer*)fNonHFESourceContainer[0][0][0]->Clone();
1687     for(Int_t iSource = 1; iSource < kElecBgSources; iSource++){
1688       backgroundContainer->Add(fNonHFESourceContainer[iSource][0][0]);
1689     }
1690   }
1691   else{
1692     // Background Estimate
1693     backgroundContainer = GetContainer(kMCWeightedContainerNonHFEESD);
1694   }
1695   if(!backgroundContainer){
1696     AliError("MC background container not found");
1697     return NULL;
1698   }
1699
1700
1701   Int_t stepbackground = 3;
1702
1703   AliCFDataGrid *backgroundGrid = new AliCFDataGrid("NonHFEBgGrid","NonHFEBgGrid",*backgroundContainer,stepbackground);
1704   Int_t *nBinpp=new Int_t[1];
1705   Int_t* binspp=new Int_t[1];
1706   binspp[0]=fConversionEff[0]->GetNbinsX();  // number of pt bins
1707
1708   Int_t *nBinPbPb=new Int_t[2];
1709   Int_t* binsPbPb=new Int_t[2];
1710   binsPbPb[1]=fConversionEff[0]->GetNbinsX();  // number of pt bins
1711   binsPbPb[0]=12;
1712
1713   Int_t looppt=binspp[0];
1714   if(fBeamType==1) looppt=binsPbPb[1];
1715
1716
1717   for(Long_t iBin=1; iBin<= looppt;iBin++){
1718       if(fBeamType==0)
1719       {
1720           nBinpp[0]=iBin;
1721           backgroundGrid->SetElementError(nBinpp, backgroundGrid->GetElementError(nBinpp)*evtnorm[0]);
1722           backgroundGrid->SetElement(nBinpp,backgroundGrid->GetElement(nBinpp)*evtnorm[0]);
1723       }
1724       if(fBeamType==1)
1725       {
1726           for(Long_t iiBin=1; iiBin<=binsPbPb[0];iiBin++){
1727               nBinPbPb[0]=iiBin;
1728               nBinPbPb[1]=iBin;
1729               Double_t evtnormPbPb=0;
1730               if(fNMCbgEvents[iiBin-1]) evtnormPbPb= double(fNEvents[iiBin-1])/double(fNMCbgEvents[iiBin-1]);
1731               backgroundGrid->SetElementError(nBinPbPb, backgroundGrid->GetElementError(nBinPbPb)*evtnormPbPb);
1732               backgroundGrid->SetElement(nBinPbPb,backgroundGrid->GetElement(nBinPbPb)*evtnormPbPb);
1733           }
1734       }
1735   }
1736   //end of workaround for statistical errors
1737   AliCFDataGrid *weightedNonHFEContainer;
1738   if(fBeamType==0) weightedNonHFEContainer = new AliCFDataGrid("weightedNonHFEContainer","weightedNonHFEContainer",1,binspp);
1739   else weightedNonHFEContainer = new AliCFDataGrid("weightedNonHFEContainer","weightedNonHFEContainer",2,binsPbPb);
1740   weightedNonHFEContainer->SetGrid(GetPIDxIPEff(3));
1741   backgroundGrid->Multiply(weightedNonHFEContainer,1.0);
1742
1743   delete[] nBinpp;
1744   delete[] binspp;
1745   delete[] nBinPbPb;
1746   delete[] binsPbPb;
1747
1748   return backgroundGrid;
1749 }
1750
1751 //____________________________________________________________
1752 AliCFDataGrid *AliHFEspectrum::CorrectParametrizedEfficiency(AliCFDataGrid* const bgsubpectrum){
1753
1754   //
1755   // Apply TPC pid efficiency correction from parametrisation
1756   //
1757
1758   // Data in the right format
1759   AliCFDataGrid *dataGrid = 0x0;
1760   if(bgsubpectrum) {
1761     dataGrid = bgsubpectrum;
1762   }
1763   else {
1764
1765     AliCFContainer *dataContainer = GetContainer(kDataContainer);
1766     if(!dataContainer){
1767       AliError("Data Container not available");
1768       return NULL;
1769     }
1770     dataGrid = new AliCFDataGrid("dataGrid","dataGrid",*dataContainer, fStepData);
1771   }
1772   AliCFDataGrid *result = (AliCFDataGrid *) dataGrid->Clone();
1773   result->SetName("ParametrizedEfficiencyBefore");
1774   THnSparse *h = result->GetGrid();
1775   Int_t nbdimensions = h->GetNdimensions();
1776   //printf("CorrectParametrizedEfficiency::We have dimensions %d\n",nbdimensions);
1777   AliCFContainer *dataContainer = GetContainer(kDataContainer);
1778   if(!dataContainer){
1779     AliError("Data Container not available");
1780     return NULL;
1781   }
1782   AliCFContainer *dataContainerbis = (AliCFContainer *) dataContainer->Clone();
1783   dataContainerbis->Add(dataContainerbis,-1.0);
1784
1785
1786   Int_t* coord = new Int_t[nbdimensions];
1787   memset(coord, 0, sizeof(Int_t) * nbdimensions);
1788   Double_t* points = new Double_t[nbdimensions];
1789
1790   ULong64_t nEntries = h->GetNbins();
1791   for (ULong64_t i = 0; i < nEntries; ++i) {
1792
1793     Double_t value = h->GetBinContent(i, coord);
1794     //Double_t valuecontainer = dataContainerbis->GetBinContent(coord,fStepData);
1795     //printf("Value %f, and valuecontainer %f\n",value,valuecontainer);
1796
1797     // Get the bin co-ordinates given an coord
1798     for (Int_t j = 0; j < nbdimensions; ++j)
1799       points[j] = h->GetAxis(j)->GetBinCenter(coord[j]);
1800
1801     if (!fEfficiencyFunction->IsInside(points))
1802          continue;
1803     TF1::RejectPoint(kFALSE);
1804
1805     // Evaulate function at points
1806     Double_t valueEfficiency = fEfficiencyFunction->EvalPar(points, NULL);
1807     //printf("Value efficiency is %f\n",valueEfficiency);
1808
1809     if(valueEfficiency > 0.0) {
1810       h->SetBinContent(coord,value/valueEfficiency);
1811       dataContainerbis->SetBinContent(coord,fStepData,value/valueEfficiency);
1812     }
1813     Double_t error = h->GetBinError(i);
1814     h->SetBinError(coord,error/valueEfficiency);
1815     dataContainerbis->SetBinError(coord,fStepData,error/valueEfficiency);
1816
1817
1818   }
1819
1820   delete[] coord;
1821   delete[] points;
1822
1823   AliCFDataGrid *resultt = new AliCFDataGrid("spectrumEfficiencyParametrized", "Data Grid for spectrum after Efficiency parametrized", *dataContainerbis,fStepData);
1824
1825   if(fDebugLevel > 0) {
1826
1827     TCanvas * cEfficiencyParametrized = new TCanvas("EfficiencyParametrized","EfficiencyParametrized",1000,700);
1828     cEfficiencyParametrized->Divide(2,1);
1829     cEfficiencyParametrized->cd(1);
1830     TH1D *afterE = (TH1D *) resultt->Project(0);
1831     TH1D *beforeE = (TH1D *) dataGrid->Project(0);
1832     CorrectFromTheWidth(afterE);
1833     CorrectFromTheWidth(beforeE);
1834     afterE->SetStats(0);
1835     afterE->SetTitle("");
1836     afterE->GetYaxis()->SetTitle("dN/dp_{T} [(GeV/c)^{-1}]");
1837     afterE->GetXaxis()->SetTitle("p_{T} [GeV/c]");
1838     afterE->SetMarkerStyle(25);
1839     afterE->SetMarkerColor(kBlack);
1840     afterE->SetLineColor(kBlack);
1841     beforeE->SetStats(0);
1842     beforeE->SetTitle("");
1843     beforeE->GetYaxis()->SetTitle("dN/dp_{T} [(GeV/c)^{-1}]");
1844     beforeE->GetXaxis()->SetTitle("p_{T} [GeV/c]");
1845     beforeE->SetMarkerStyle(24);
1846     beforeE->SetMarkerColor(kBlue);
1847     beforeE->SetLineColor(kBlue);
1848     gPad->SetLogy();
1849     afterE->Draw();
1850     beforeE->Draw("same");
1851     TLegend *legefficiencyparametrized = new TLegend(0.4,0.6,0.89,0.89);
1852     legefficiencyparametrized->AddEntry(beforeE,"Before Efficiency correction","p");
1853     legefficiencyparametrized->AddEntry(afterE,"After Efficiency correction","p");
1854     legefficiencyparametrized->Draw("same");
1855     cEfficiencyParametrized->cd(2);
1856     fEfficiencyFunction->Draw();
1857     //cEfficiencyParametrized->cd(3);
1858     //TH1D *ratioefficiency = (TH1D *) beforeE->Clone();
1859     //ratioefficiency->Divide(afterE);
1860     //ratioefficiency->Draw();
1861
1862     if(fWriteToFile) cEfficiencyParametrized->SaveAs("efficiency.eps");
1863
1864   }
1865
1866   return resultt;
1867
1868 }
1869 //____________________________________________________________
1870 AliCFDataGrid *AliHFEspectrum::CorrectV0Efficiency(AliCFDataGrid* const bgsubpectrum){
1871
1872   //
1873   // Apply TPC pid efficiency correction from V0
1874   //
1875
1876   AliCFContainer *v0Container = GetContainer(kDataContainerV0);
1877   if(!v0Container){
1878     AliError("V0 Container not available");
1879     return NULL;
1880   }
1881
1882   // Efficiency
1883   AliCFEffGrid* efficiencyD = new AliCFEffGrid("efficiency","",*v0Container);
1884   efficiencyD->CalculateEfficiency(fStepAfterCutsV0,fStepBeforeCutsV0);
1885
1886   // Data in the right format
1887   AliCFDataGrid *dataGrid = 0x0;
1888   if(bgsubpectrum) {
1889     dataGrid = bgsubpectrum;
1890   }
1891   else {
1892
1893     AliCFContainer *dataContainer = GetContainer(kDataContainer);
1894     if(!dataContainer){
1895       AliError("Data Container not available");
1896       return NULL;
1897     }
1898
1899     dataGrid = new AliCFDataGrid("dataGrid","dataGrid",*dataContainer, fStepData);
1900   }
1901
1902   // Correct
1903   AliCFDataGrid *result = (AliCFDataGrid *) dataGrid->Clone();
1904   result->ApplyEffCorrection(*efficiencyD);
1905
1906   if(fDebugLevel > 0) {
1907
1908     Int_t ptpr;
1909     if(fBeamType==0) ptpr=0;
1910     if(fBeamType==1) ptpr=1;
1911
1912     TCanvas * cV0Efficiency = new TCanvas("V0Efficiency","V0Efficiency",1000,700);
1913     cV0Efficiency->Divide(2,1);
1914     cV0Efficiency->cd(1);
1915     TH1D *afterE = (TH1D *) result->Project(ptpr);
1916     TH1D *beforeE = (TH1D *) dataGrid->Project(ptpr);
1917     afterE->SetStats(0);
1918     afterE->SetTitle("");
1919     afterE->GetYaxis()->SetTitle("dN/dp_{T} [(GeV/c)^{-1}]");
1920     afterE->GetXaxis()->SetTitle("p_{T} [GeV/c]");
1921     afterE->SetMarkerStyle(25);
1922     afterE->SetMarkerColor(kBlack);
1923     afterE->SetLineColor(kBlack);
1924     beforeE->SetStats(0);
1925     beforeE->SetTitle("");
1926     beforeE->GetYaxis()->SetTitle("dN/dp_{T} [(GeV/c)^{-1}]");
1927     beforeE->GetXaxis()->SetTitle("p_{T} [GeV/c]");
1928     beforeE->SetMarkerStyle(24);
1929     beforeE->SetMarkerColor(kBlue);
1930     beforeE->SetLineColor(kBlue);
1931     afterE->Draw();
1932     beforeE->Draw("same");
1933     TLegend *legV0efficiency = new TLegend(0.4,0.6,0.89,0.89);
1934     legV0efficiency->AddEntry(beforeE,"Before Efficiency correction","p");
1935     legV0efficiency->AddEntry(afterE,"After Efficiency correction","p");
1936     legV0efficiency->Draw("same");
1937     cV0Efficiency->cd(2);
1938     TH1D* efficiencyDproj = (TH1D *) efficiencyD->Project(ptpr);
1939     efficiencyDproj->SetTitle("");
1940     efficiencyDproj->SetStats(0);
1941     efficiencyDproj->SetMarkerStyle(25);
1942     efficiencyDproj->Draw();
1943
1944     if(fBeamType==1) {
1945
1946       TCanvas * cV0Efficiencye = new TCanvas("V0Efficiency_allspectra","V0Efficiency_allspectra",1000,700);
1947       cV0Efficiencye->Divide(2,1);
1948       TLegend *legtotal = new TLegend(0.4,0.6,0.89,0.89);
1949       TLegend *legtotalg = new TLegend(0.4,0.6,0.89,0.89);
1950
1951       THnSparseF* sparseafter = (THnSparseF *) result->GetGrid();
1952       TAxis *cenaxisa = sparseafter->GetAxis(0);
1953       THnSparseF* sparsebefore = (THnSparseF *) dataGrid->GetGrid();
1954       TAxis *cenaxisb = sparsebefore->GetAxis(0);
1955       THnSparseF* efficiencya = (THnSparseF *) efficiencyD->GetGrid();
1956       TAxis *cenaxisc = efficiencya->GetAxis(0);
1957       Int_t nbbin = cenaxisb->GetNbins();
1958       Int_t stylee[20] = {20,21,22,23,24,25,26,27,28,30,4,5,7,29,29,29,29,29,29,29};
1959       Int_t colorr[20] = {2,3,4,5,6,7,8,9,46,38,29,30,31,32,33,34,35,37,38,20};
1960       for(Int_t binc = 0; binc < nbbin; binc++){
1961         TString titlee("V0Efficiency_centrality_bin_");
1962         titlee += binc;
1963         TCanvas * ccV0Efficiency = new TCanvas((const char*) titlee,(const char*) titlee,1000,700);
1964         ccV0Efficiency->Divide(2,1);
1965         ccV0Efficiency->cd(1);
1966         gPad->SetLogy();
1967         cenaxisa->SetRange(binc+1,binc+1);
1968         cenaxisb->SetRange(binc+1,binc+1);
1969         cenaxisc->SetRange(binc+1,binc+1);
1970         TH1D *aftere = (TH1D *) sparseafter->Projection(1);
1971         TH1D *beforee = (TH1D *) sparsebefore->Projection(1);
1972         CorrectFromTheWidth(aftere);
1973         CorrectFromTheWidth(beforee);
1974         aftere->SetStats(0);
1975         aftere->SetTitle((const char*)titlee);
1976         aftere->GetYaxis()->SetTitle("dN/dp_{T} [(GeV/c)^{-1}]");
1977         aftere->GetXaxis()->SetTitle("p_{T} [GeV/c]");
1978         aftere->SetMarkerStyle(25);
1979         aftere->SetMarkerColor(kBlack);
1980         aftere->SetLineColor(kBlack);
1981         beforee->SetStats(0);
1982         beforee->SetTitle((const char*)titlee);
1983         beforee->GetYaxis()->SetTitle("dN/dp_{T} [(GeV/c)^{-1}]");
1984         beforee->GetXaxis()->SetTitle("p_{T} [GeV/c]");
1985         beforee->SetMarkerStyle(24);
1986         beforee->SetMarkerColor(kBlue);
1987         beforee->SetLineColor(kBlue);
1988         aftere->Draw();
1989         beforee->Draw("same");
1990         TLegend *lega = new TLegend(0.4,0.6,0.89,0.89);
1991         lega->AddEntry(beforee,"Before correction","p");
1992         lega->AddEntry(aftere,"After correction","p");
1993         lega->Draw("same");
1994         cV0Efficiencye->cd(1);
1995         gPad->SetLogy();
1996         TH1D *afteree = (TH1D *) aftere->Clone();
1997         afteree->SetMarkerStyle(stylee[binc]);
1998         afteree->SetMarkerColor(colorr[binc]);
1999         if(binc==0) afteree->Draw();
2000         else afteree->Draw("same");
2001         legtotal->AddEntry(afteree,(const char*) titlee,"p");
2002         cV0Efficiencye->cd(2);
2003         gPad->SetLogy();
2004         TH1D *aftereeu = (TH1D *) aftere->Clone();
2005         aftereeu->SetMarkerStyle(stylee[binc]);
2006         aftereeu->SetMarkerColor(colorr[binc]);
2007         if(fNEvents[binc] > 0.0) aftereeu->Scale(1/(Double_t)fNEvents[binc]);
2008         if(binc==0) aftereeu->Draw();
2009         else aftereeu->Draw("same");
2010         legtotalg->AddEntry(aftereeu,(const char*) titlee,"p");
2011         ccV0Efficiency->cd(2);
2012         TH1D* efficiencyDDproj = (TH1D *) efficiencya->Projection(1);
2013         efficiencyDDproj->SetTitle("");
2014         efficiencyDDproj->SetStats(0);
2015         efficiencyDDproj->SetMarkerStyle(25);
2016         efficiencyDDproj->Draw();
2017       }
2018
2019       cV0Efficiencye->cd(1);
2020       legtotal->Draw("same");
2021       cV0Efficiencye->cd(2);
2022       legtotalg->Draw("same");
2023
2024       cenaxisa->SetRange(0,nbbin);
2025       cenaxisb->SetRange(0,nbbin);
2026       cenaxisc->SetRange(0,nbbin);
2027
2028       if(fWriteToFile) cV0Efficiencye->SaveAs("V0efficiency.eps");
2029     }
2030
2031   }
2032
2033
2034   return result;
2035
2036 }
2037 //____________________________________________________________
2038 TList *AliHFEspectrum::Unfold(AliCFDataGrid* const bgsubpectrum){
2039
2040   //
2041   // Unfold and eventually correct for efficiency the bgsubspectrum
2042   //
2043
2044   AliCFContainer *mcContainer = GetContainer(kMCContainerMC);
2045   if(!mcContainer){
2046     AliError("MC Container not available");
2047     return NULL;
2048   }
2049
2050   if(!fCorrelation){
2051     AliError("No Correlation map available");
2052     return NULL;
2053   }
2054
2055   // Data
2056   AliCFDataGrid *dataGrid = 0x0;
2057   if(bgsubpectrum) {
2058     dataGrid = bgsubpectrum;
2059   }
2060   else {
2061
2062     AliCFContainer *dataContainer = GetContainer(kDataContainer);
2063     if(!dataContainer){
2064       AliError("Data Container not available");
2065       return NULL;
2066     }
2067
2068     dataGrid = new AliCFDataGrid("dataGrid","dataGrid",*dataContainer, fStepData);
2069   }
2070
2071   // Guessed
2072   AliCFDataGrid* guessedGrid = new AliCFDataGrid("guessed","",*mcContainer, fStepGuessedUnfolding);
2073   THnSparse* guessedTHnSparse = ((AliCFGridSparse*)guessedGrid->GetData())->GetGrid();
2074
2075   // Efficiency
2076   AliCFEffGrid* efficiencyD = new AliCFEffGrid("efficiency","",*mcContainer);
2077   efficiencyD->CalculateEfficiency(fStepMC,fStepTrue);
2078
2079   if(!fBeauty2ndMethod)
2080   {
2081       // Consider parameterized IP cut efficiency
2082       if(!fInclusiveSpectrum){
2083           Int_t* bins=new Int_t[1];
2084           bins[0]=35;
2085
2086           AliCFEffGrid *beffContainer = new AliCFEffGrid("beffContainer","beffContainer",1,bins);
2087           beffContainer->SetGrid(GetBeautyIPEff(kTRUE));
2088           efficiencyD->Multiply(beffContainer,1);
2089       }
2090   }
2091
2092
2093   // Unfold
2094
2095   AliCFUnfolding unfolding("unfolding","",fNbDimensions,fCorrelation,efficiencyD->GetGrid(),dataGrid->GetGrid(),guessedTHnSparse);
2096   if(fUnSetCorrelatedErrors) unfolding.UnsetCorrelatedErrors();
2097   unfolding.SetMaxNumberOfIterations(fNumberOfIterations);
2098   if(fSetSmoothing) unfolding.UseSmoothing();
2099   unfolding.Unfold();
2100
2101   // Results
2102   THnSparse* result = unfolding.GetUnfolded();
2103   THnSparse* residual = unfolding.GetEstMeasured();
2104   TList *listofresults = new TList;
2105   listofresults->SetOwner();
2106   listofresults->AddAt((THnSparse*)result->Clone(),0);
2107   listofresults->AddAt((THnSparse*)residual->Clone(),1);
2108
2109   if(fDebugLevel > 0) {
2110
2111     Int_t ptpr;
2112     if(fBeamType==0) ptpr=0;
2113     if(fBeamType==1) ptpr=1;
2114
2115     TCanvas * cresidual = new TCanvas("residual","residual",1000,700);
2116     cresidual->Divide(2,1);
2117     cresidual->cd(1);
2118     gPad->SetLogy();
2119     TGraphErrors* residualspectrumD = Normalize(residual);
2120     if(!residualspectrumD) {
2121       AliError("Number of Events not set for the normalization");
2122       return NULL;
2123     }
2124     residualspectrumD->SetTitle("");
2125     residualspectrumD->GetYaxis()->SetTitleOffset(1.5);
2126     residualspectrumD->GetYaxis()->SetRangeUser(0.000000001,1.0);
2127     residualspectrumD->SetMarkerStyle(26);
2128     residualspectrumD->SetMarkerColor(kBlue);
2129     residualspectrumD->SetLineColor(kBlue);
2130     residualspectrumD->Draw("AP");
2131     AliCFDataGrid *dataGridBis = (AliCFDataGrid *) (dataGrid->Clone());
2132     dataGridBis->SetName("dataGridBis");
2133     TGraphErrors* measuredspectrumD = Normalize(dataGridBis);
2134     measuredspectrumD->SetTitle("");
2135     measuredspectrumD->GetYaxis()->SetTitleOffset(1.5);
2136     measuredspectrumD->GetYaxis()->SetRangeUser(0.000000001,1.0);
2137     measuredspectrumD->SetMarkerStyle(25);
2138     measuredspectrumD->SetMarkerColor(kBlack);
2139     measuredspectrumD->SetLineColor(kBlack);
2140     measuredspectrumD->Draw("P");
2141     TLegend *legres = new TLegend(0.4,0.6,0.89,0.89);
2142     legres->AddEntry(residualspectrumD,"Residual","p");
2143     legres->AddEntry(measuredspectrumD,"Measured","p");
2144     legres->Draw("same");
2145     cresidual->cd(2);
2146     TH1D *residualTH1D = residual->Projection(ptpr);
2147     TH1D *measuredTH1D = (TH1D *) dataGridBis->Project(ptpr);
2148     TH1D* ratioresidual = (TH1D*)residualTH1D->Clone();
2149     ratioresidual->SetName("ratioresidual");
2150     ratioresidual->SetTitle("");
2151     ratioresidual->GetYaxis()->SetTitle("Folded/Measured");
2152     ratioresidual->GetXaxis()->SetTitle("p_{T} [GeV/c]");
2153     ratioresidual->Divide(residualTH1D,measuredTH1D,1,1);
2154     ratioresidual->SetStats(0);
2155     ratioresidual->Draw();
2156
2157     if(fWriteToFile) cresidual->SaveAs("Unfolding.eps");
2158   }
2159
2160   return listofresults;
2161
2162 }
2163
2164 //____________________________________________________________
2165 AliCFDataGrid *AliHFEspectrum::CorrectForEfficiency(AliCFDataGrid* const bgsubpectrum){
2166
2167   //
2168   // Apply unfolding and efficiency correction together to bgsubspectrum
2169   //
2170
2171   AliCFContainer *mcContainer = GetContainer(kMCContainerESD);
2172   if(!mcContainer){
2173     AliError("MC Container not available");
2174     return NULL;
2175   }
2176
2177   // Efficiency
2178   AliCFEffGrid* efficiencyD = new AliCFEffGrid("efficiency","",*mcContainer);
2179   efficiencyD->CalculateEfficiency(fStepMC,fStepTrue);
2180
2181
2182   if(!fBeauty2ndMethod)
2183   {
2184       // Consider parameterized IP cut efficiency
2185       if(!fInclusiveSpectrum){
2186           Int_t* bins=new Int_t[1];
2187           bins[0]=35;
2188
2189           AliCFEffGrid *beffContainer = new AliCFEffGrid("beffContainer","beffContainer",1,bins);
2190           beffContainer->SetGrid(GetBeautyIPEff(kFALSE));
2191           efficiencyD->Multiply(beffContainer,1);
2192       }
2193   }
2194
2195   // Data in the right format
2196   AliCFDataGrid *dataGrid = 0x0;
2197   if(bgsubpectrum) {
2198     dataGrid = bgsubpectrum;
2199   }
2200   else {
2201
2202     AliCFContainer *dataContainer = GetContainer(kDataContainer);
2203     if(!dataContainer){
2204       AliError("Data Container not available");
2205       return NULL;
2206     }
2207
2208     dataGrid = new AliCFDataGrid("dataGrid","dataGrid",*dataContainer, fStepData);
2209   }
2210
2211   // Correct
2212   AliCFDataGrid *result = (AliCFDataGrid *) dataGrid->Clone();
2213   result->ApplyEffCorrection(*efficiencyD);
2214
2215   if(fDebugLevel > 0) {
2216
2217     Int_t ptpr;
2218     if(fBeamType==0) ptpr=0;
2219     if(fBeamType==1) ptpr=1;
2220
2221     printf("Step MC: %d\n",fStepMC);
2222     printf("Step tracking: %d\n",AliHFEcuts::kStepHFEcutsTRD + AliHFEcuts::kNcutStepsMCTrack);
2223     printf("Step MC true: %d\n",fStepTrue);
2224     AliCFEffGrid  *efficiencymcPID = (AliCFEffGrid*)  GetEfficiency(GetContainer(kMCContainerMC),fStepMC,AliHFEcuts::kStepHFEcutsTRD + AliHFEcuts::kNcutStepsMCTrack);
2225     AliCFEffGrid  *efficiencymctrackinggeo = (AliCFEffGrid*)  GetEfficiency(GetContainer(kMCContainerMC),AliHFEcuts::kStepHFEcutsTRD + AliHFEcuts::kNcutStepsMCTrack,fStepTrue);
2226     AliCFEffGrid  *efficiencymcall = (AliCFEffGrid*)  GetEfficiency(GetContainer(kMCContainerMC),fStepMC,fStepTrue);
2227
2228     AliCFEffGrid  *efficiencyesdall = (AliCFEffGrid*)  GetEfficiency(GetContainer(kMCContainerESD),fStepMC,fStepTrue);
2229
2230     TCanvas * cefficiency = new TCanvas("efficiency","efficiency",1000,700);
2231     cefficiency->cd(1);
2232     TH1D* efficiencymcPIDD = (TH1D *) efficiencymcPID->Project(ptpr);
2233     efficiencymcPIDD->SetTitle("");
2234     efficiencymcPIDD->SetStats(0);
2235     efficiencymcPIDD->SetMarkerStyle(25);
2236     efficiencymcPIDD->Draw();
2237     TH1D* efficiencymctrackinggeoD = (TH1D *) efficiencymctrackinggeo->Project(ptpr);
2238     efficiencymctrackinggeoD->SetTitle("");
2239     efficiencymctrackinggeoD->SetStats(0);
2240     efficiencymctrackinggeoD->SetMarkerStyle(26);
2241     efficiencymctrackinggeoD->Draw("same");
2242     TH1D* efficiencymcallD = (TH1D *) efficiencymcall->Project(ptpr);
2243     efficiencymcallD->SetTitle("");
2244     efficiencymcallD->SetStats(0);
2245     efficiencymcallD->SetMarkerStyle(27);
2246     efficiencymcallD->Draw("same");
2247     TH1D* efficiencyesdallD = (TH1D *) efficiencyesdall->Project(ptpr);
2248     efficiencyesdallD->SetTitle("");
2249     efficiencyesdallD->SetStats(0);
2250     efficiencyesdallD->SetMarkerStyle(24);
2251     efficiencyesdallD->Draw("same");
2252     TLegend *legeff = new TLegend(0.4,0.6,0.89,0.89);
2253     legeff->AddEntry(efficiencymcPIDD,"PID efficiency","p");
2254     legeff->AddEntry(efficiencymctrackinggeoD,"Tracking geometry efficiency","p");
2255     legeff->AddEntry(efficiencymcallD,"Overall efficiency","p");
2256     legeff->AddEntry(efficiencyesdallD,"Overall efficiency ESD","p");
2257     legeff->Draw("same");
2258
2259     if(fBeamType==1) {
2260
2261       THnSparseF* sparseafter = (THnSparseF *) result->GetGrid();
2262       TAxis *cenaxisa = sparseafter->GetAxis(0);
2263       THnSparseF* sparsebefore = (THnSparseF *) dataGrid->GetGrid();
2264       TAxis *cenaxisb = sparsebefore->GetAxis(0);
2265       THnSparseF* efficiencya = (THnSparseF *) efficiencyD->GetGrid();
2266       TAxis *cenaxisc = efficiencya->GetAxis(0);
2267       //Int_t nbbin = cenaxisb->GetNbins();
2268       //Int_t stylee[20] = {20,21,22,23,24,25,26,27,28,30,4,5,7,29,29,29,29,29,29,29};
2269       //Int_t colorr[20] = {2,3,4,5,6,7,8,9,46,38,29,30,31,32,33,34,35,37,38,20};
2270       for(Int_t binc = 0; binc < fNCentralityBinAtTheEnd; binc++){
2271         TString titlee("Efficiency_centrality_bin_");
2272         titlee += fLowBoundaryCentralityBinAtTheEnd[binc];
2273         titlee += "_";
2274         titlee += fHighBoundaryCentralityBinAtTheEnd[binc];
2275         TCanvas * cefficiencye = new TCanvas((const char*) titlee,(const char*) titlee,1000,700);
2276         cefficiencye->Divide(2,1);
2277         cefficiencye->cd(1);
2278         gPad->SetLogy();
2279         cenaxisa->SetRange(fLowBoundaryCentralityBinAtTheEnd[binc]+1,fHighBoundaryCentralityBinAtTheEnd[binc]);
2280         cenaxisb->SetRange(fLowBoundaryCentralityBinAtTheEnd[binc]+1,fHighBoundaryCentralityBinAtTheEnd[binc]);
2281         TH1D *afterefficiency = (TH1D *) sparseafter->Projection(ptpr);
2282         TH1D *beforeefficiency = (TH1D *) sparsebefore->Projection(ptpr);
2283         CorrectFromTheWidth(afterefficiency);
2284         CorrectFromTheWidth(beforeefficiency);
2285         afterefficiency->SetStats(0);
2286         afterefficiency->SetTitle((const char*)titlee);
2287         afterefficiency->GetYaxis()->SetTitle("dN/dp_{T} [(GeV/c)^{-1}]");
2288         afterefficiency->GetXaxis()->SetTitle("p_{T} [GeV/c]");
2289         afterefficiency->SetMarkerStyle(25);
2290         afterefficiency->SetMarkerColor(kBlack);
2291         afterefficiency->SetLineColor(kBlack);
2292         beforeefficiency->SetStats(0);
2293         beforeefficiency->SetTitle((const char*)titlee);
2294         beforeefficiency->GetYaxis()->SetTitle("dN/dp_{T} [(GeV/c)^{-1}]");
2295         beforeefficiency->GetXaxis()->SetTitle("p_{T} [GeV/c]");
2296         beforeefficiency->SetMarkerStyle(24);
2297         beforeefficiency->SetMarkerColor(kBlue);
2298         beforeefficiency->SetLineColor(kBlue);
2299         afterefficiency->Draw();
2300         beforeefficiency->Draw("same");
2301         TLegend *lega = new TLegend(0.4,0.6,0.89,0.89);
2302         lega->AddEntry(beforeefficiency,"Before efficiency correction","p");
2303         lega->AddEntry(afterefficiency,"After efficiency correction","p");
2304         lega->Draw("same");
2305         cefficiencye->cd(2);
2306         cenaxisc->SetRange(fLowBoundaryCentralityBinAtTheEnd[binc]+1,fLowBoundaryCentralityBinAtTheEnd[binc]+1);
2307         TH1D* efficiencyDDproj = (TH1D *) efficiencya->Projection(ptpr);
2308         efficiencyDDproj->SetTitle("");
2309         efficiencyDDproj->SetStats(0);
2310         efficiencyDDproj->SetMarkerStyle(25);
2311         efficiencyDDproj->SetMarkerColor(2);
2312         efficiencyDDproj->Draw();
2313         cenaxisc->SetRange(fHighBoundaryCentralityBinAtTheEnd[binc],fHighBoundaryCentralityBinAtTheEnd[binc]);
2314         TH1D* efficiencyDDproja = (TH1D *) efficiencya->Projection(ptpr);
2315         efficiencyDDproja->SetTitle("");
2316         efficiencyDDproja->SetStats(0);
2317         efficiencyDDproja->SetMarkerStyle(26);
2318         efficiencyDDproja->SetMarkerColor(4);
2319         efficiencyDDproja->Draw("same");
2320       }
2321     }
2322
2323     if(fWriteToFile) cefficiency->SaveAs("efficiencyCorrected.eps");
2324   }
2325
2326   return result;
2327
2328 }
2329
2330 //__________________________________________________________________________________
2331 TGraphErrors *AliHFEspectrum::Normalize(THnSparse * const spectrum,Int_t i) const {
2332   //
2333   // Normalize the spectrum to 1/(2*Pi*p_{T})*dN/dp_{T} (GeV/c)^{-2}
2334   // Give the final pt spectrum to be compared
2335   //
2336
2337   if(fNEvents[i] > 0) {
2338
2339     Int_t ptpr = 0;
2340     if(fBeamType==0) ptpr=0;
2341     if(fBeamType==1) ptpr=1;
2342
2343     TH1D* projection = spectrum->Projection(ptpr);
2344     CorrectFromTheWidth(projection);
2345     TGraphErrors *graphError = NormalizeTH1(projection,i);
2346     return graphError;
2347
2348   }
2349
2350   return 0x0;
2351
2352
2353 }
2354 //__________________________________________________________________________________
2355 TGraphErrors *AliHFEspectrum::Normalize(AliCFDataGrid * const spectrum,Int_t i) const {
2356   //
2357   // Normalize the spectrum to 1/(2*Pi*p_{T})*dN/dp_{T} (GeV/c)^{-2}
2358   // Give the final pt spectrum to be compared
2359   //
2360   if(fNEvents[i] > 0) {
2361
2362     Int_t ptpr=0;
2363     if(fBeamType==0) ptpr=0;
2364     if(fBeamType==1) ptpr=1;
2365
2366     TH1D* projection = (TH1D *) spectrum->Project(ptpr);
2367     CorrectFromTheWidth(projection);
2368     TGraphErrors *graphError = NormalizeTH1(projection,i);
2369
2370     return graphError;
2371
2372   }
2373
2374   return 0x0;
2375
2376
2377 }
2378 //__________________________________________________________________________________
2379 TGraphErrors *AliHFEspectrum::NormalizeTH1(TH1 *input,Int_t i) const {
2380   //
2381   // Normalize the spectrum to 1/(2*Pi*p_{T})*dN/dp_{T} (GeV/c)^{-2}
2382   // Give the final pt spectrum to be compared
2383   //
2384   Double_t chargecoefficient = 0.5;
2385   if(fChargeChoosen != 0) chargecoefficient = 1.0;
2386
2387   Double_t etarange = fEtaSelected ? fEtaRangeNorm[1] - fEtaRangeNorm[0] : 1.6;
2388   printf("Normalizing Eta Range %f\n", etarange);
2389   if(fNEvents[i] > 0) {
2390
2391     TGraphErrors *spectrumNormalized = new TGraphErrors(input->GetNbinsX());
2392     Double_t p = 0, dp = 0; Int_t point = 1;
2393     Double_t n = 0, dN = 0;
2394     Double_t nCorr = 0, dNcorr = 0;
2395     Double_t errdN = 0, errdp = 0;
2396     for(Int_t ibin = input->GetXaxis()->GetFirst(); ibin <= input->GetXaxis()->GetLast(); ibin++){
2397       point = ibin - input->GetXaxis()->GetFirst();
2398       p = input->GetXaxis()->GetBinCenter(ibin);
2399       dp = input->GetXaxis()->GetBinWidth(ibin)/2.;
2400       n = input->GetBinContent(ibin);
2401       dN = input->GetBinError(ibin);
2402       // New point
2403       nCorr = chargecoefficient * 1./etarange * 1./(Double_t)(fNEvents[i]) * 1./(2. * TMath::Pi() * p) * n;
2404       errdN = 1./(2. * TMath::Pi() * p);
2405       errdp = 1./(2. * TMath::Pi() * p*p) * n;
2406       dNcorr = chargecoefficient * 1./etarange * 1./(Double_t)(fNEvents[i]) * TMath::Sqrt(errdN * errdN * dN *dN + errdp *errdp * dp *dp);
2407
2408       spectrumNormalized->SetPoint(point, p, nCorr);
2409       spectrumNormalized->SetPointError(point, dp, dNcorr);
2410     }
2411     spectrumNormalized->GetXaxis()->SetTitle("p_{T} [GeV/c]");
2412     spectrumNormalized->GetYaxis()->SetTitle("#frac{1}{2 #pi p_{T}} #frac{dN}{dp_{T}} / [GeV/c]^{-2}");
2413     spectrumNormalized->SetMarkerStyle(22);
2414     spectrumNormalized->SetMarkerColor(kBlue);
2415     spectrumNormalized->SetLineColor(kBlue);
2416
2417     return spectrumNormalized;
2418
2419   }
2420
2421   return 0x0;
2422
2423
2424 }
2425 //__________________________________________________________________________________
2426 TGraphErrors *AliHFEspectrum::NormalizeTH1N(TH1 *input,Int_t normalization) const {
2427   //
2428   // Normalize the spectrum to 1/(2*Pi*p_{T})*dN/dp_{T} (GeV/c)^{-2}
2429   // Give the final pt spectrum to be compared
2430   //
2431   Double_t chargecoefficient = 0.5;
2432   if(fChargeChoosen != kAllCharge) chargecoefficient = 1.0;
2433
2434   Double_t etarange = fEtaSelected ? fEtaRangeNorm[1] - fEtaRangeNorm[0] : 1.6;
2435   printf("Normalizing Eta Range %f\n", etarange);
2436   if(normalization > 0) {
2437
2438     TGraphErrors *spectrumNormalized = new TGraphErrors(input->GetNbinsX());
2439     Double_t p = 0, dp = 0; Int_t point = 1;
2440     Double_t n = 0, dN = 0;
2441     Double_t nCorr = 0, dNcorr = 0;
2442     Double_t errdN = 0, errdp = 0;
2443     for(Int_t ibin = input->GetXaxis()->GetFirst(); ibin <= input->GetXaxis()->GetLast(); ibin++){
2444       point = ibin - input->GetXaxis()->GetFirst();
2445       p = input->GetXaxis()->GetBinCenter(ibin);
2446       dp = input->GetXaxis()->GetBinWidth(ibin)/2.;
2447       n = input->GetBinContent(ibin);
2448       dN = input->GetBinError(ibin);
2449       // New point
2450       nCorr = chargecoefficient * 1./etarange * 1./(Double_t)(normalization) * 1./(2. * TMath::Pi() * p) * n;
2451       errdN = 1./(2. * TMath::Pi() * p);
2452       errdp = 1./(2. * TMath::Pi() * p*p) * n;
2453       dNcorr = chargecoefficient * 1./etarange * 1./(Double_t)(normalization) * TMath::Sqrt(errdN * errdN * dN *dN + errdp *errdp * dp *dp);
2454
2455       spectrumNormalized->SetPoint(point, p, nCorr);
2456       spectrumNormalized->SetPointError(point, dp, dNcorr);
2457     }
2458     spectrumNormalized->GetXaxis()->SetTitle("p_{T} [GeV/c]");
2459     spectrumNormalized->GetYaxis()->SetTitle("#frac{1}{2 #pi p_{T}} #frac{dN}{dp_{T}} / [GeV/c]^{-2}");
2460     spectrumNormalized->SetMarkerStyle(22);
2461     spectrumNormalized->SetMarkerColor(kBlue);
2462     spectrumNormalized->SetLineColor(kBlue);
2463
2464     return spectrumNormalized;
2465
2466   }
2467
2468   return 0x0;
2469
2470
2471 }
2472 //____________________________________________________________
2473 void AliHFEspectrum::SetContainer(AliCFContainer *cont, AliHFEspectrum::CFContainer_t type){
2474   //
2475   // Set the container for a given step to the
2476   //
2477   if(!fCFContainers) fCFContainers = new TObjArray(kDataContainerV0+1);
2478   fCFContainers->AddAt(cont, type);
2479 }
2480
2481 //____________________________________________________________
2482 AliCFContainer *AliHFEspectrum::GetContainer(AliHFEspectrum::CFContainer_t type){
2483   //
2484   // Get Correction Framework Container for given type
2485   //
2486   if(!fCFContainers) return NULL;
2487   return dynamic_cast<AliCFContainer *>(fCFContainers->At(type));
2488 }
2489 //____________________________________________________________
2490 AliCFContainer *AliHFEspectrum::GetSlicedContainer(AliCFContainer *container, Int_t nDim, Int_t *dimensions,Int_t source,Chargetype_t charge, Int_t centralitylow, Int_t centralityhigh) {
2491   //
2492   // Slice bin for a given source of electron
2493   // nDim is the number of dimension the corrections are done
2494   // dimensions are the definition of the dimensions
2495   // source is if we want to keep only one MC source (-1 means we don't cut on the MC source)
2496   // positivenegative if we want to keep positive (1) or negative (0) or both (-1)
2497   // centrality (-1 means we do not cut on centrality)
2498   //
2499
2500   Double_t *varMin = new Double_t[container->GetNVar()],
2501            *varMax = new Double_t[container->GetNVar()];
2502
2503   Double_t *binLimits;
2504   for(Int_t ivar = 0; ivar < container->GetNVar(); ivar++){
2505
2506     binLimits = new Double_t[container->GetNBins(ivar)+1];
2507     container->GetBinLimits(ivar,binLimits);
2508     varMin[ivar] = binLimits[0];
2509     varMax[ivar] = binLimits[container->GetNBins(ivar)];
2510     // source
2511     if(ivar == 4){
2512       if((source>= 0) && (source<container->GetNBins(ivar))) {
2513               varMin[ivar] = binLimits[source];
2514               varMax[ivar] = binLimits[source];
2515       }
2516     }
2517     // charge
2518     if(ivar == 3) {
2519       if(charge != kAllCharge) varMin[ivar] = varMax[ivar] = charge;
2520     }
2521     // eta
2522     if(ivar == 1){
2523       for(Int_t ic = 1; ic <= container->GetAxis(1,0)->GetLast(); ic++)
2524         AliDebug(1, Form("eta bin %d, min %f, max %f\n", ic, container->GetAxis(1,0)->GetBinLowEdge(ic), container->GetAxis(1,0)->GetBinUpEdge(ic)));
2525       if(fEtaSelected){
2526         varMin[ivar] = fEtaRange[0];
2527         varMax[ivar] = fEtaRange[1];
2528       }
2529     }
2530     if(fEtaSelected){
2531       fEtaRangeNorm[0] = container->GetAxis(1,0)->GetBinLowEdge(container->GetAxis(1,0)->FindBin(fEtaRange[0]));
2532       fEtaRangeNorm[1] = container->GetAxis(1,0)->GetBinUpEdge(container->GetAxis(1,0)->FindBin(fEtaRange[1]));
2533       AliInfo(Form("Normalization done in eta range [%f,%f]\n", fEtaRangeNorm[0], fEtaRangeNorm[0]));
2534     }
2535     if(ivar == 5){
2536         if((centralitylow>= 0) && (centralitylow<container->GetNBins(ivar)) && (centralityhigh>= 0) && (centralityhigh<container->GetNBins(ivar))) {
2537             varMin[ivar] = binLimits[centralitylow];
2538             varMax[ivar] = binLimits[centralityhigh];
2539
2540             TAxis *axistest = container->GetAxis(5,0);
2541             printf("GetSlicedContainer: Number of bin in centrality direction %d\n",axistest->GetNbins());
2542             printf("Project from %f to %f\n",binLimits[centralitylow],binLimits[centralityhigh]);
2543             Double_t lowcentrality = axistest->GetBinLowEdge(axistest->FindBin(binLimits[centralitylow]));
2544             Double_t highcentrality = axistest->GetBinUpEdge(axistest->FindBin(binLimits[centralityhigh]));
2545             printf("GetSlicedContainer: Low centrality %f and high centrality %f\n",lowcentrality,highcentrality);
2546
2547         }
2548
2549     }
2550
2551
2552     delete[] binLimits;
2553   }
2554
2555   AliCFContainer *k = container->MakeSlice(nDim, dimensions, varMin, varMax);
2556   AddTemporaryObject(k);
2557   delete[] varMin; delete[] varMax;
2558
2559   return k;
2560
2561 }
2562
2563 //_________________________________________________________________________
2564 THnSparseF *AliHFEspectrum::GetSlicedCorrelation(THnSparseF *correlationmatrix, Int_t nDim, Int_t *dimensions, Int_t centralitylow, Int_t centralityhigh) const {
2565   //
2566   // Slice correlation
2567   //
2568
2569   Int_t ndimensions = correlationmatrix->GetNdimensions();
2570   //printf("Number of dimension %d correlation map\n",ndimensions);
2571   if(ndimensions < (2*nDim)) {
2572     AliError("Problem in the dimensions");
2573     return NULL;
2574   }
2575
2576   // Cut in centrality is centrality > -1
2577   if((centralitylow >=0) && (centralityhigh >=0)) {
2578
2579     TAxis *axiscentrality0 = correlationmatrix->GetAxis(5);
2580     TAxis *axiscentrality1 = correlationmatrix->GetAxis(5+((Int_t)(ndimensions/2.)));
2581
2582     Int_t bins0 = axiscentrality0->GetNbins();
2583     Int_t bins1 = axiscentrality1->GetNbins();
2584
2585     printf("Number of centrality bins: %d and %d\n",bins0,bins1);
2586     if(bins0 != bins1) {
2587       AliError("Problem in the dimensions");
2588       return NULL;
2589     }
2590
2591     if((centralitylow>= 0) && (centralitylow<bins0) && (centralityhigh>= 0) && (centralityhigh<bins0)) {
2592       axiscentrality0->SetRangeUser(centralitylow,centralityhigh);
2593       axiscentrality1->SetRangeUser(centralitylow,centralityhigh);
2594
2595       Double_t lowcentrality0 = axiscentrality0->GetBinLowEdge(axiscentrality0->FindBin(centralitylow));
2596       Double_t highcentrality0 = axiscentrality0->GetBinUpEdge(axiscentrality0->FindBin(centralityhigh));
2597       Double_t lowcentrality1 = axiscentrality1->GetBinLowEdge(axiscentrality1->FindBin(centralitylow));
2598       Double_t highcentrality1 = axiscentrality1->GetBinUpEdge(axiscentrality1->FindBin(centralityhigh));
2599       printf("GetCorrelation0: Low centrality %f and high centrality %f\n",lowcentrality0,highcentrality0);
2600       printf("GetCorrelation1: Low centrality %f and high centrality %f\n",lowcentrality1,highcentrality1);
2601
2602       TCanvas * ctestcorrelation = new TCanvas("testcorrelationprojection","testcorrelationprojection",1000,700);
2603       ctestcorrelation->cd(1);
2604       TH2D* projection = (TH2D *) correlationmatrix->Projection(5,5+((Int_t)(ndimensions/2.)));
2605       projection->Draw("colz");
2606
2607     }
2608
2609   }
2610
2611
2612   Int_t ndimensionsContainer = (Int_t) ndimensions/2;
2613   //printf("Number of dimension %d container\n",ndimensionsContainer);
2614
2615   Int_t *dim = new Int_t[nDim*2];
2616   for(Int_t iter=0; iter < nDim; iter++){
2617     dim[iter] = dimensions[iter];
2618     dim[iter+nDim] = ndimensionsContainer + dimensions[iter];
2619     //printf("For iter %d: %d and iter+nDim %d: %d\n",iter,dimensions[iter],iter+nDim,ndimensionsContainer + dimensions[iter]);
2620   }
2621
2622   THnSparseF *k = (THnSparseF *) correlationmatrix->Projection(nDim*2,dim);
2623
2624   delete[] dim;
2625   return k;
2626
2627 }
2628 //___________________________________________________________________________
2629 void AliHFEspectrum::CorrectFromTheWidth(TH1D *h1) const {
2630   //
2631   // Correct from the width of the bins --> dN/dp_{T} (GeV/c)^{-1}
2632   //
2633
2634   TAxis *axis = h1->GetXaxis();
2635   Int_t nbinX = h1->GetNbinsX();
2636
2637   for(Int_t i = 1; i <= nbinX; i++) {
2638
2639     Double_t width = axis->GetBinWidth(i);
2640     Double_t content = h1->GetBinContent(i);
2641     Double_t error = h1->GetBinError(i);
2642     h1->SetBinContent(i,content/width);
2643     h1->SetBinError(i,error/width);
2644   }
2645
2646 }
2647
2648 //___________________________________________________________________________
2649 void AliHFEspectrum::CorrectStatErr(AliCFDataGrid *backgroundGrid) const {
2650   //
2651   // Correct statistical error
2652   //
2653
2654   TH1D *h1 = (TH1D*)backgroundGrid->Project(0);
2655   Int_t nbinX = h1->GetNbinsX();
2656   Int_t bins[1];
2657   for(Long_t i = 1; i <= nbinX; i++) {
2658     bins[0] = i;
2659     Float_t content = h1->GetBinContent(i);
2660     if(content>0){
2661       Float_t error = TMath::Sqrt(content);
2662       backgroundGrid->SetElementError(bins, error);
2663     }
2664   }
2665 }
2666
2667 //____________________________________________________________
2668 void AliHFEspectrum::AddTemporaryObject(TObject *o){
2669   //
2670   // Emulate garbage collection on class level
2671   //
2672   if(!fTemporaryObjects) {
2673     fTemporaryObjects= new TList;
2674     fTemporaryObjects->SetOwner();
2675   }
2676   fTemporaryObjects->Add(o);
2677 }
2678
2679 //____________________________________________________________
2680 void AliHFEspectrum::ClearObject(TObject *o){
2681   //
2682   // Do a safe deletion
2683   //
2684   if(fTemporaryObjects){
2685     if(fTemporaryObjects->FindObject(o)) fTemporaryObjects->Remove(o);
2686     delete o;
2687   } else{
2688     // just delete
2689     delete o;
2690   }
2691 }
2692 //_________________________________________________________________________
2693 TObject* AliHFEspectrum::GetSpectrum(const AliCFContainer * const c, Int_t step) {
2694   AliCFDataGrid* data = new AliCFDataGrid("data","",*c, step);
2695   return data;
2696 }
2697 //_________________________________________________________________________
2698 TObject* AliHFEspectrum::GetEfficiency(const AliCFContainer * const c, Int_t step, Int_t step0){
2699   //
2700   // Create efficiency grid and calculate efficiency
2701   // of step to step0
2702   //
2703   TString name("eff");
2704   name += step;
2705   name+= step0;
2706   AliCFEffGrid* eff = new AliCFEffGrid((const char*)name,"",*c);
2707   eff->CalculateEfficiency(step,step0);
2708   return eff;
2709 }
2710
2711 //____________________________________________________________________________
2712 THnSparse* AliHFEspectrum::GetCharmWeights(){
2713
2714   //
2715   // Measured D->e based weighting factors
2716   //
2717
2718   const Int_t nDimpp=1;
2719   Int_t nBinpp[nDimpp] = {35};
2720   Double_t ptbinning1[36] = {0., 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1., 1.1, 1.2, 1.3, 1.4, 1.5, 1.75, 2., 2.25, 2.5, 2.75, 3., 3.5, 4., 4.5, 5., 5.5, 6., 7., 8., 10., 12., 14., 16., 18., 20.};
2721   const Int_t nDimPbPb=2;
2722   Int_t nBinPbPb[nDimPbPb] = {11,35};
2723   Double_t kCentralityRange[12] = {0.,1.,2., 3., 4., 5., 6., 7.,8.,9., 10., 11.};
2724   Int_t loopcentr=1;
2725   Int_t looppt=nBinpp[0];
2726   if(fBeamType==0)
2727   {
2728       fWeightCharm = new THnSparseF("weightHisto", "weighting factor; pt[GeV/c]", nDimpp, nBinpp);
2729       fWeightCharm->SetBinEdges(0, ptbinning1);
2730   }
2731   if(fBeamType==1)
2732   {
2733       fWeightCharm = new THnSparseF("weightHisto", "weighting factor; centrality bin; pt[GeV/c]", nDimPbPb, nBinPbPb);
2734       fWeightCharm->SetBinEdges(1, ptbinning1);
2735       fWeightCharm->SetBinEdges(0, kCentralityRange);
2736       loopcentr=nBinPbPb[0];
2737   }
2738
2739   // Weighting factor for pp
2740   Double_t weight[35]={0.859260, 0.872552, 0.847475, 0.823631, 0.839386, 0.874024, 0.916755, 0.942801, 0.965856, 0.933905, 0.933414, 0.931936, 0.847826, 0.810902, 0.796608, 0.727002, 0.659227, 0.583610, 0.549956, 0.512633, 0.472254, 0.412364, 0.353191, 0.319145, 0.305412, 0.290334, 0.269863, 0.254646, 0.230245, 0.200859, 0.275953, 0.276271, 0.227332, 0.197004, 0.474385};
2741
2742   // Weighting factor for PbPb (0-20%)
2743   //Double_t weight[35]={0.641897,  0.640472,  0.615228,  0.650469,  0.737762,  0.847867,  1.009317,  1.158594,  1.307482,  1.476973,  1.551131,  1.677131,  1.785478,  1.888933,  2.017957,  2.074757,  1.926700,  1.869495,  1.546558,  1.222873,  1.160313,  0.903375,  0.799642,  0.706244,  0.705449,  0.599947,  0.719570,  0.499422,  0.703978,  0.477452,  0.325057,  0.093391,  0.096675,  0.000000,  0.000000};
2744
2745   // Weighting factor for PbPb (40-80%)
2746   //Double_t weight[35]={0.181953,  0.173248,  0.166799,  0.182558,  0.206581,  0.236955,  0.279390,  0.329129,  0.365260,  0.423059,  0.452057,  0.482726,  0.462627,  0.537770,  0.584663,  0.579452,  0.587194,  0.499498,  0.443299,  0.398596,  0.376695,  0.322331,  0.260890,  0.374834,  0.249114,  0.310330,  0.287326,  0.243174,  0.758945,  0.138867,  0.170576,  0.107797,  0.011390,  0.000000,  0.000000};
2747
2748   //points
2749   Double_t pt[1];
2750   Double_t contents[2];
2751
2752   for(int icentr=0; icentr<loopcentr; icentr++)
2753   {
2754       for(int i=0; i<looppt; i++){
2755           pt[0]=(ptbinning1[i]+ptbinning1[i+1])/2.;
2756           if(fBeamType==1)
2757           {
2758               contents[0]=icentr;
2759               contents[1]=pt[0];
2760           }
2761           if(fBeamType==0)
2762           {
2763               contents[0]=pt[0];
2764           }
2765
2766           fWeightCharm->Fill(contents,weight[i]);
2767       }
2768   }
2769
2770   Int_t nDimSparse = fWeightCharm->GetNdimensions();
2771   Int_t* binsvar = new Int_t[nDimSparse]; // number of bins for each variable
2772   Long_t nBins = 1; // used to calculate the total number of bins in the THnSparse
2773
2774   for (Int_t iVar=0; iVar<nDimSparse; iVar++) {
2775       binsvar[iVar] = fWeightCharm->GetAxis(iVar)->GetNbins();
2776       nBins *= binsvar[iVar];
2777   }
2778
2779   Int_t *binfill = new Int_t[nDimSparse]; // bin to fill the THnSparse (holding the bin coordinates)
2780   // loop that sets 0 error in each bin
2781   for (Long_t iBin=0; iBin<nBins; iBin++) {
2782     Long_t bintmp = iBin ;
2783     for (Int_t iVar=0; iVar<nDimSparse; iVar++) {
2784       binfill[iVar] = 1 + bintmp % binsvar[iVar] ;
2785       bintmp /= binsvar[iVar] ;
2786     }
2787     fWeightCharm->SetBinError(binfill,0.); // put 0 everywhere
2788   }
2789
2790   delete[] binsvar;
2791   delete[] binfill;
2792
2793   return fWeightCharm;
2794 }
2795
2796 //____________________________________________________________________________
2797 void AliHFEspectrum::SetParameterizedEff(AliCFContainer *container, AliCFContainer *containermb, AliCFContainer *containeresd, AliCFContainer *containeresdmb, Int_t *dimensions){
2798
2799    // TOF PID efficiencies
2800    Int_t ptpr;
2801    if(fBeamType==0) ptpr=0;
2802    if(fBeamType==1) ptpr=1;
2803
2804    Int_t loopcentr=1;
2805    const Int_t nCentralitybinning=11; //number of centrality bins
2806    if(fBeamType==1)
2807    {
2808      loopcentr=nCentralitybinning;
2809    }
2810
2811    TF1 *fittofpid = new TF1("fittofpid","[0]*([1]+[2]*log(x)+[3]*log(x)*log(x))*tanh([4]*x-[5])",0.9,8.);
2812    TF1 *fipfit = new TF1("fipfit","[0]*([1]+[2]*log(x)+[3]*log(x)*log(x))*tanh([4]*x-[5])",0.9,8.);
2813    TF1 *fipfitnonhfe = new TF1("fipfitnonhfe","[0]*([1]+[2]*log(x)+[3]*log(x)*log(x))*tanh([4]*x-[5])",0.3,10.0);
2814
2815    TCanvas * cefficiencyParamtof = new TCanvas("efficiencyParamtof","efficiencyParamtof",600,600);
2816    cefficiencyParamtof->cd();
2817
2818    AliCFContainer *mccontainermcD = 0x0;
2819    AliCFContainer *mccontaineresdD = 0x0;
2820    TH1D* efficiencysigTOFPIDD[nCentralitybinning];
2821    TH1D* efficiencyTOFPIDD[nCentralitybinning];
2822    TH1D* efficiencysigesdTOFPIDD[nCentralitybinning];
2823    TH1D* efficiencyesdTOFPIDD[nCentralitybinning];
2824    Int_t source = -1; //get parameterized TOF PID efficiencies
2825
2826    for(int icentr=0; icentr<loopcentr; icentr++) {
2827       // signal sample
2828       if(fBeamType==0) mccontainermcD = GetSlicedContainer(container, fNbDimensions, dimensions, source, fChargeChoosen);
2829       else mccontainermcD = GetSlicedContainer(container, fNbDimensions, dimensions, source, fChargeChoosen,icentr+1);
2830       AliCFEffGrid* efficiencymcsigParamTOFPID= new AliCFEffGrid("efficiencymcsigParamTOFPID","",*mccontainermcD);
2831       efficiencymcsigParamTOFPID->CalculateEfficiency(fStepMC,fStepMC-1); // TOF PID efficiencies
2832
2833       // mb sample for double check
2834       if(fBeamType==0)  mccontainermcD = GetSlicedContainer(containermb, fNbDimensions, dimensions, source, fChargeChoosen);
2835       else mccontainermcD = GetSlicedContainer(containermb, fNbDimensions, dimensions, source, fChargeChoosen,icentr+1);
2836       AliCFEffGrid* efficiencymcParamTOFPID= new AliCFEffGrid("efficiencymcParamTOFPID","",*mccontainermcD);
2837       efficiencymcParamTOFPID->CalculateEfficiency(fStepMC,fStepMC-1); // TOF PID efficiencies
2838
2839       // mb sample with reconstructed variables
2840       if(fBeamType==0)  mccontainermcD = GetSlicedContainer(containeresdmb, fNbDimensions, dimensions, source, fChargeChoosen);
2841       else mccontainermcD = GetSlicedContainer(containeresdmb, fNbDimensions, dimensions, source, fChargeChoosen,icentr+1);
2842       AliCFEffGrid* efficiencyesdParamTOFPID= new AliCFEffGrid("efficiencyesdParamTOFPID","",*mccontainermcD);
2843       efficiencyesdParamTOFPID->CalculateEfficiency(fStepMC,fStepMC-1); // TOF PID efficiencies
2844
2845       // mb sample with reconstructed variables
2846       if(fBeamType==0)  mccontainermcD = GetSlicedContainer(containeresd, fNbDimensions, dimensions, source, fChargeChoosen);
2847       else mccontainermcD = GetSlicedContainer(containeresd, fNbDimensions, dimensions, source, fChargeChoosen,icentr+1);
2848       AliCFEffGrid* efficiencysigesdParamTOFPID= new AliCFEffGrid("efficiencysigesdParamTOFPID","",*mccontainermcD);
2849       efficiencysigesdParamTOFPID->CalculateEfficiency(fStepMC,fStepMC-1); // TOF PID efficiencies
2850
2851       //fill histo
2852       efficiencysigTOFPIDD[icentr] = (TH1D *) efficiencymcsigParamTOFPID->Project(ptpr);
2853       efficiencyTOFPIDD[icentr] = (TH1D *) efficiencymcParamTOFPID->Project(ptpr);
2854       efficiencysigesdTOFPIDD[icentr] = (TH1D *) efficiencysigesdParamTOFPID->Project(ptpr);
2855       efficiencyesdTOFPIDD[icentr] = (TH1D *) efficiencyesdParamTOFPID->Project(ptpr);
2856       efficiencysigTOFPIDD[icentr]->SetName(Form("efficiencysigTOFPIDD%d",icentr));
2857       efficiencyTOFPIDD[icentr]->SetName(Form("efficiencyTOFPIDD%d",icentr));
2858       efficiencysigesdTOFPIDD[icentr]->SetName(Form("efficiencysigesdTOFPIDD%d",icentr));
2859       efficiencyesdTOFPIDD[icentr]->SetName(Form("efficiencyesdTOFPIDD%d",icentr));
2860
2861       //fit (mc enhenced sample)
2862       fittofpid->SetParameters(0.5,0.319,0.0157,0.00664,6.77,2.08);
2863       efficiencysigTOFPIDD[icentr]->Fit(fittofpid,"R");
2864       efficiencysigTOFPIDD[icentr]->GetYaxis()->SetTitle("Efficiency");
2865       fEfficiencyTOFPIDD[icentr] = efficiencysigTOFPIDD[icentr]->GetFunction("fittofpid");
2866
2867       //fit (esd enhenced sample)
2868       efficiencysigesdTOFPIDD[icentr]->Fit(fittofpid,"R");
2869       efficiencysigesdTOFPIDD[icentr]->GetYaxis()->SetTitle("Efficiency");
2870       fEfficiencyesdTOFPIDD[icentr] = efficiencysigesdTOFPIDD[icentr]->GetFunction("fittofpid");
2871
2872    }
2873
2874    // draw (for PbPb, only 1st bin)
2875    //sig mc
2876    efficiencysigTOFPIDD[0]->SetTitle("");
2877    efficiencysigTOFPIDD[0]->SetStats(0);
2878    efficiencysigTOFPIDD[0]->SetMarkerStyle(25);
2879    efficiencysigTOFPIDD[0]->SetMarkerColor(2);
2880    efficiencysigTOFPIDD[0]->SetLineColor(2);
2881    efficiencysigTOFPIDD[0]->Draw();
2882
2883    //mb mc
2884    efficiencyTOFPIDD[0]->SetTitle("");
2885    efficiencyTOFPIDD[0]->SetStats(0);
2886    efficiencyTOFPIDD[0]->SetMarkerStyle(24);
2887    efficiencyTOFPIDD[0]->SetMarkerColor(4);
2888    efficiencyTOFPIDD[0]->SetLineColor(4);
2889    efficiencyTOFPIDD[0]->Draw("same");
2890
2891    //sig esd
2892    efficiencysigesdTOFPIDD[0]->SetTitle("");
2893    efficiencysigesdTOFPIDD[0]->SetStats(0);
2894    efficiencysigesdTOFPIDD[0]->SetMarkerStyle(25);
2895    efficiencysigesdTOFPIDD[0]->SetMarkerColor(3);
2896    efficiencysigesdTOFPIDD[0]->SetLineColor(3);
2897    efficiencysigesdTOFPIDD[0]->Draw("same");
2898
2899    //mb esd
2900    efficiencyesdTOFPIDD[0]->SetTitle("");
2901    efficiencyesdTOFPIDD[0]->SetStats(0);
2902    efficiencyesdTOFPIDD[0]->SetMarkerStyle(25);
2903    efficiencyesdTOFPIDD[0]->SetMarkerColor(1);
2904    efficiencyesdTOFPIDD[0]->SetLineColor(1);
2905    efficiencyesdTOFPIDD[0]->Draw("same");
2906
2907    //signal mc fit
2908    if(fEfficiencyTOFPIDD[0]){
2909      fEfficiencyTOFPIDD[0]->SetLineColor(2);
2910      fEfficiencyTOFPIDD[0]->Draw("same");
2911    }
2912    //mb esd fit
2913    if(fEfficiencyesdTOFPIDD[0]){
2914        fEfficiencyesdTOFPIDD[0]->SetLineColor(3);
2915        fEfficiencyesdTOFPIDD[0]->Draw("same");
2916      }
2917
2918    TLegend *legtofeff = new TLegend(0.3,0.15,0.79,0.44);
2919    legtofeff->AddEntry(efficiencysigTOFPIDD[0],"TOF PID Step Efficiency","");
2920    legtofeff->AddEntry(efficiencysigTOFPIDD[0],"vs MC p_{t} for enhenced samples","p");
2921    legtofeff->AddEntry(efficiencyTOFPIDD[0],"vs MC p_{t} for mb samples","p");
2922    legtofeff->AddEntry(efficiencysigesdTOFPIDD[0],"vs esd p_{t} for enhenced samples","p");
2923    legtofeff->AddEntry(efficiencyesdTOFPIDD[0],"vs esd p_{t} for mb samples","p");
2924    legtofeff->Draw("same");
2925
2926
2927    TCanvas * cefficiencyParamIP = new TCanvas("efficiencyParamIP","efficiencyParamIP",500,500);
2928    cefficiencyParamIP->cd();
2929    gStyle->SetOptStat(0);
2930
2931    // IP cut efficiencies
2932    for(int icentr=0; icentr<loopcentr; icentr++)  {
2933
2934      AliCFContainer *charmCombined = 0x0;
2935      AliCFContainer *beautyCombined = 0x0;
2936      AliCFContainer *beautyCombinedesd = 0x0;
2937
2938      printf("centrality printing %i \n",icentr);
2939
2940      source = 0; //charm enhenced
2941      if(fBeamType==0) mccontainermcD = GetSlicedContainer(container, fNbDimensions, dimensions, source, fChargeChoosen);
2942      else mccontainermcD = GetSlicedContainer(container, fNbDimensions, dimensions, source, fChargeChoosen, icentr+1);
2943      AliCFEffGrid* efficiencyCharmSig = new AliCFEffGrid("efficiencyCharmSig","",*mccontainermcD);
2944      efficiencyCharmSig->CalculateEfficiency(AliHFEcuts::kNcutStepsMCTrack + fStepData,AliHFEcuts::kNcutStepsMCTrack + fStepData-1); // ip cut efficiency.
2945
2946      charmCombined= (AliCFContainer*)mccontainermcD->Clone("charmCombined");
2947
2948      source = 1; //beauty enhenced
2949      if(fBeamType==0) mccontainermcD = GetSlicedContainer(container, fNbDimensions, dimensions, source, fChargeChoosen);
2950      else mccontainermcD = GetSlicedContainer(container, fNbDimensions, dimensions, source, fChargeChoosen, icentr+1);
2951      AliCFEffGrid* efficiencyBeautySig = new AliCFEffGrid("efficiencyBeautySig","",*mccontainermcD);
2952      efficiencyBeautySig->CalculateEfficiency(AliHFEcuts::kNcutStepsMCTrack + fStepData,AliHFEcuts::kNcutStepsMCTrack + fStepData-1); // ip cut efficiency.
2953
2954      beautyCombined = (AliCFContainer*)mccontainermcD->Clone("beautyCombined");
2955
2956      if(fBeamType==0) mccontaineresdD = GetSlicedContainer(containeresd, fNbDimensions, dimensions, source, fChargeChoosen);
2957      else mccontaineresdD = GetSlicedContainer(containeresd, fNbDimensions, dimensions, source, fChargeChoosen, icentr+1);
2958      AliCFEffGrid* efficiencyBeautySigesd = new AliCFEffGrid("efficiencyBeautySigesd","",*mccontaineresdD);
2959      efficiencyBeautySigesd->CalculateEfficiency(AliHFEcuts::kNcutStepsMCTrack + fStepData,AliHFEcuts::kNcutStepsMCTrack + fStepData-1); // ip cut efficiency.
2960
2961      beautyCombinedesd = (AliCFContainer*)mccontaineresdD->Clone("beautyCombinedesd");
2962
2963      source = 0; //charm mb
2964      if(fBeamType==0) mccontainermcD = GetSlicedContainer(containermb, fNbDimensions, dimensions, source, fChargeChoosen);
2965      else mccontainermcD = GetSlicedContainer(containermb, fNbDimensions, dimensions, source, fChargeChoosen, icentr+1);
2966      AliCFEffGrid* efficiencyCharm = new AliCFEffGrid("efficiencyCharm","",*mccontainermcD);
2967      efficiencyCharm->CalculateEfficiency(AliHFEcuts::kNcutStepsMCTrack + fStepData,AliHFEcuts::kNcutStepsMCTrack + fStepData-1); // ip cut efficiency.
2968
2969      charmCombined->Add(mccontainermcD);
2970      AliCFEffGrid* efficiencyCharmCombined = new AliCFEffGrid("efficiencyCharmCombined","",*charmCombined);
2971      efficiencyCharmCombined->CalculateEfficiency(AliHFEcuts::kNcutStepsMCTrack + fStepData,AliHFEcuts::kNcutStepsMCTrack + fStepData-1);
2972
2973      source = 1; //beauty mb
2974      if(fBeamType==0) mccontainermcD = GetSlicedContainer(containermb, fNbDimensions, dimensions, source, fChargeChoosen);
2975      else mccontainermcD = GetSlicedContainer(containermb, fNbDimensions, dimensions, source, fChargeChoosen, icentr+1);
2976      AliCFEffGrid* efficiencyBeauty = new AliCFEffGrid("efficiencyBeauty","",*mccontainermcD);
2977      efficiencyBeauty->CalculateEfficiency(AliHFEcuts::kNcutStepsMCTrack + fStepData,AliHFEcuts::kNcutStepsMCTrack + fStepData-1); // ip cut efficiency.
2978
2979      beautyCombined->Add(mccontainermcD);
2980      AliCFEffGrid* efficiencyBeautyCombined = new AliCFEffGrid("efficiencyBeautyCombined","",*beautyCombined);
2981      efficiencyBeautyCombined->CalculateEfficiency(AliHFEcuts::kNcutStepsMCTrack + fStepData,AliHFEcuts::kNcutStepsMCTrack + fStepData-1);
2982
2983      if(fBeamType==0) mccontaineresdD = GetSlicedContainer(containeresdmb, fNbDimensions, dimensions, source, fChargeChoosen);
2984      else mccontaineresdD = GetSlicedContainer(containeresdmb, fNbDimensions, dimensions, source, fChargeChoosen, icentr+1);
2985      AliCFEffGrid* efficiencyBeautyesd = new AliCFEffGrid("efficiencyBeautyesd","",*mccontaineresdD);
2986      efficiencyBeautyesd->CalculateEfficiency(AliHFEcuts::kNcutStepsMCTrack + fStepData,AliHFEcuts::kNcutStepsMCTrack + fStepData-1); // ip cut efficiency.
2987
2988      beautyCombinedesd->Add(mccontaineresdD);
2989      AliCFEffGrid* efficiencyBeautyCombinedesd = new AliCFEffGrid("efficiencyBeautyCombinedesd","",*beautyCombinedesd);
2990      efficiencyBeautyCombinedesd->CalculateEfficiency(AliHFEcuts::kNcutStepsMCTrack + fStepData,AliHFEcuts::kNcutStepsMCTrack + fStepData-1);
2991
2992      source = 2; //conversion mb
2993      if(fBeamType==0) mccontainermcD = GetSlicedContainer(containermb, fNbDimensions, dimensions, source, fChargeChoosen);
2994      else mccontainermcD = GetSlicedContainer(containermb, fNbDimensions, dimensions, source, fChargeChoosen, icentr+1);
2995      AliCFEffGrid* efficiencyConv = new AliCFEffGrid("efficiencyConv","",*mccontainermcD);
2996      efficiencyConv->CalculateEfficiency(AliHFEcuts::kNcutStepsMCTrack + fStepData,AliHFEcuts::kNcutStepsMCTrack + fStepData-1); // ip cut efficiency.
2997
2998      source = 3; //non HFE except for the conversion mb
2999      if(fBeamType==0) mccontainermcD = GetSlicedContainer(containermb, fNbDimensions, dimensions, source, fChargeChoosen);
3000      else mccontainermcD = GetSlicedContainer(containermb, fNbDimensions, dimensions, source, fChargeChoosen, icentr+1);
3001      AliCFEffGrid* efficiencyNonhfe= new AliCFEffGrid("efficiencyNonhfe","",*mccontainermcD);
3002      efficiencyNonhfe->CalculateEfficiency(AliHFEcuts::kNcutStepsMCTrack + fStepData,AliHFEcuts::kNcutStepsMCTrack + fStepData-1); // ip cut efficiency.
3003
3004      if(fIPEffCombinedSamples){
3005        fEfficiencyCharmSigD[icentr] = (TH1D*)efficiencyCharmCombined->Project(ptpr); //signal enhenced + mb
3006        fEfficiencyBeautySigD[icentr] = (TH1D*)efficiencyBeautyCombined->Project(ptpr); //signal enhenced + mb
3007        fEfficiencyBeautySigesdD[icentr] = (TH1D*)efficiencyBeautyCombinedesd->Project(ptpr); //signal enhenced + mb
3008      }
3009      else{
3010        fEfficiencyCharmSigD[icentr] = (TH1D*)efficiencyCharmSig->Project(ptpr); //signal enhenced only
3011        fEfficiencyBeautySigD[icentr] = (TH1D*)efficiencyBeautySig->Project(ptpr); //signal enhenced only
3012        fEfficiencyBeautySigesdD[icentr] = (TH1D*)efficiencyBeautySigesd->Project(ptpr); //signal enhenced only
3013      }
3014      fCharmEff[icentr] = (TH1D*)efficiencyCharm->Project(ptpr); //mb only
3015      fBeautyEff[icentr] = (TH1D*)efficiencyBeauty->Project(ptpr); //mb only
3016      fConversionEff[icentr] = (TH1D*)efficiencyConv->Project(ptpr); //mb only
3017      fNonHFEEff[icentr] = (TH1D*)efficiencyNonhfe->Project(ptpr); //mb only
3018
3019    }
3020
3021    if(fBeamType==0){
3022      AliCFEffGrid  *nonHFEEffGrid = (AliCFEffGrid*)  GetEfficiency(GetContainer(kMCWeightedContainerNonHFEESD),1,0);
3023      fNonHFEEffbgc = (TH1D *) nonHFEEffGrid->Project(0);
3024
3025      AliCFEffGrid  *conversionEffGrid = (AliCFEffGrid*)  GetEfficiency(GetContainer(kMCWeightedContainerConversionESD),1,0);
3026      fConversionEffbgc = (TH1D *) conversionEffGrid->Project(0);
3027    }
3028
3029    for(int icentr=0; icentr<loopcentr; icentr++)  {
3030      fipfit->SetParameters(0.5,0.319,0.0157,0.00664,6.77,2.08);
3031      fipfit->SetLineColor(2);
3032      fEfficiencyBeautySigD[icentr]->Fit(fipfit,"R");
3033      fEfficiencyBeautySigD[icentr]->GetYaxis()->SetTitle("Efficiency");
3034      if(fBeauty2ndMethod)fEfficiencyIPBeautyD[icentr] = fEfficiencyBeautySigD[0]->GetFunction("fipfit"); //why do we need this line?
3035      else fEfficiencyIPBeautyD[icentr] = fEfficiencyBeautySigD[icentr]->GetFunction("fipfit");
3036
3037      fipfit->SetParameters(0.5,0.319,0.0157,0.00664,6.77,2.08);
3038      fipfit->SetLineColor(6);
3039      fEfficiencyBeautySigesdD[icentr]->Fit(fipfit,"R");
3040      fEfficiencyBeautySigesdD[icentr]->GetYaxis()->SetTitle("Efficiency");
3041      if(fBeauty2ndMethod)fEfficiencyIPBeautyesdD[icentr] = fEfficiencyBeautySigesdD[0]->GetFunction("fipfit"); //why do we need this line?
3042      else fEfficiencyIPBeautyesdD[icentr] = fEfficiencyBeautySigesdD[icentr]->GetFunction("fipfit");
3043
3044      fipfit->SetParameters(0.5,0.319,0.0157,0.00664,6.77,2.08);
3045      fipfit->SetLineColor(1);
3046      fEfficiencyCharmSigD[icentr]->Fit(fipfit,"R");
3047      fEfficiencyCharmSigD[icentr]->GetYaxis()->SetTitle("Efficiency");
3048      fEfficiencyIPCharmD[icentr] = fEfficiencyCharmSigD[icentr]->GetFunction("fipfit");
3049
3050      if(fIPParameterizedEff){
3051        fipfitnonhfe->SetParameters(0.5,0.319,0.0157,0.00664,6.77,2.08);
3052        fipfitnonhfe->SetLineColor(3);
3053        fConversionEff[icentr]->Fit(fipfitnonhfe,"R");
3054        fConversionEff[icentr]->GetYaxis()->SetTitle("Efficiency");
3055        fEfficiencyIPConversionD[icentr] = fConversionEff[icentr]->GetFunction("fipfitnonhfe");
3056
3057        fipfitnonhfe->SetParameters(0.5,0.319,0.0157,0.00664,6.77,2.08);
3058        fipfitnonhfe->SetLineColor(4);
3059        fNonHFEEff[icentr]->Fit(fipfitnonhfe,"R");
3060        fNonHFEEff[icentr]->GetYaxis()->SetTitle("Efficiency");
3061        fEfficiencyIPNonhfeD[icentr] = fNonHFEEff[icentr]->GetFunction("fipfitnonhfe");
3062      }
3063    }
3064
3065    // draw (for PbPb, only 1st bin)
3066    fEfficiencyCharmSigD[0]->SetMarkerStyle(21);
3067    fEfficiencyCharmSigD[0]->SetMarkerColor(1);
3068    fEfficiencyCharmSigD[0]->SetLineColor(1);
3069    fEfficiencyBeautySigD[0]->SetMarkerStyle(21);
3070    fEfficiencyBeautySigD[0]->SetMarkerColor(2);
3071    fEfficiencyBeautySigD[0]->SetLineColor(2);
3072    fEfficiencyBeautySigesdD[0]->SetStats(0);
3073    fEfficiencyBeautySigesdD[0]->SetMarkerStyle(21);
3074    fEfficiencyBeautySigesdD[0]->SetMarkerColor(6);
3075    fEfficiencyBeautySigesdD[0]->SetLineColor(6);
3076    fCharmEff[0]->SetMarkerStyle(24);
3077    fCharmEff[0]->SetMarkerColor(1);
3078    fCharmEff[0]->SetLineColor(1);
3079    fBeautyEff[0]->SetMarkerStyle(24);
3080    fBeautyEff[0]->SetMarkerColor(2);
3081    fBeautyEff[0]->SetLineColor(2);
3082    fConversionEff[0]->SetMarkerStyle(24);
3083    fConversionEff[0]->SetMarkerColor(3);
3084    fConversionEff[0]->SetLineColor(3);
3085    fNonHFEEff[0]->SetMarkerStyle(24);
3086    fNonHFEEff[0]->SetMarkerColor(4);
3087    fNonHFEEff[0]->SetLineColor(4);
3088
3089    fEfficiencyCharmSigD[0]->Draw();
3090    fEfficiencyCharmSigD[0]->GetXaxis()->SetRangeUser(0.0,7.9);
3091    fEfficiencyCharmSigD[0]->GetYaxis()->SetRangeUser(0.0,0.5);
3092
3093    fEfficiencyBeautySigD[0]->Draw("same");
3094    fEfficiencyBeautySigesdD[0]->Draw("same");
3095    //fCharmEff[0]->Draw("same");
3096    //fBeautyEff[0]->Draw("same");
3097
3098    if(fBeamType==0){
3099      fConversionEffbgc->SetMarkerStyle(25);
3100      fConversionEffbgc->SetMarkerColor(3);
3101      fConversionEffbgc->SetLineColor(3);
3102      fNonHFEEffbgc->SetMarkerStyle(25);
3103      fNonHFEEffbgc->SetMarkerColor(4);
3104      fNonHFEEffbgc->SetLineColor(4);
3105      fConversionEffbgc->Draw("same");
3106      fNonHFEEffbgc->Draw("same");
3107    }
3108    else{
3109      fConversionEff[0]->Draw("same");
3110      fNonHFEEff[0]->Draw("same");
3111    }
3112    if(fEfficiencyIPBeautyD[0])
3113       fEfficiencyIPBeautyD[0]->Draw("same");
3114    if(fEfficiencyIPBeautyesdD[0])
3115      fEfficiencyIPBeautyesdD[0]->Draw("same");
3116    if( fEfficiencyIPCharmD[0])
3117      fEfficiencyIPCharmD[0]->Draw("same");
3118    if(fIPParameterizedEff){
3119      fEfficiencyIPConversionD[0]->Draw("same");
3120      fEfficiencyIPNonhfeD[0]->Draw("same");
3121    }
3122    TLegend *legipeff = new TLegend(0.58,0.2,0.88,0.39);
3123    legipeff->AddEntry(fEfficiencyBeautySigD[0],"IP Step Efficiency","");
3124    legipeff->AddEntry(fEfficiencyBeautySigD[0],"beauty e","p");
3125    legipeff->AddEntry(fEfficiencyBeautySigesdD[0],"beauty e(esd pt)","p");
3126    legipeff->AddEntry(fEfficiencyCharmSigD[0],"charm e","p");
3127    legipeff->AddEntry(fConversionEffbgc,"conversion e(esd pt)","p");
3128    legipeff->AddEntry(fNonHFEEffbgc,"Dalitz e(esd pt)","p");
3129    //legipeff->AddEntry(fConversionEff[0],"conversion e","p");
3130    //legipeff->AddEntry(fNonHFEEff[0],"Dalitz e","p");
3131    legipeff->Draw("same");
3132    gPad->SetGrid();
3133    //cefficiencyParamIP->SaveAs("efficiencyParamIP.eps");
3134 }
3135
3136 //____________________________________________________________________________
3137 THnSparse* AliHFEspectrum::GetBeautyIPEff(Bool_t isMCpt){
3138   //
3139   // Return beauty electron IP cut efficiency
3140   //
3141
3142   const Int_t nPtbinning1 = 35;//number of pt bins, according to new binning
3143   const Int_t nCentralitybinning=11;//number of centrality bins
3144   Double_t kPtRange[nPtbinning1+1] = { 0., 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1., 1.1, 1.2, 1.3, 1.4, 1.5, 1.75, 2., 2.25, 2.5, 2.75, 3., 3.5, 4., 4.5, 5., 5.5, 6., 7., 8., 10., 12., 14., 16., 18., 20.};//pt bin limits
3145   Double_t kCentralityRange[nCentralitybinning+1] = {0.,1.,2., 3., 4., 5., 6., 7.,8.,9., 10., 11.};
3146   Int_t ptpr = 0;
3147   Int_t nDim=1;  //dimensions of the efficiency weighting grid
3148   if(fBeamType==1)
3149   {
3150     ptpr=1;
3151     nDim=2; //dimensions of the efficiency weighting grid
3152   }
3153   Int_t nBin[1] = {nPtbinning1};
3154   Int_t nBinPbPb[2] = {nCentralitybinning,nPtbinning1};
3155
3156
3157   THnSparseF *ipcut;
3158   if(fBeamType==0) ipcut = new THnSparseF("beff", "b IP efficiency; p_{t}(GeV/c)", nDim, nBin);
3159   else ipcut = new THnSparseF("beff", "b IP efficiency; centrality bin; p_{t}(GeV/c)", nDim, nBinPbPb);
3160
3161   for(Int_t idim = 0; idim < nDim; idim++)
3162   {
3163     if(nDim==1) ipcut->SetBinEdges(idim, kPtRange);
3164     if(nDim==2)
3165       {
3166         ipcut->SetBinEdges(0, kCentralityRange);
3167         ipcut->SetBinEdges(1, kPtRange);
3168       }
3169   }
3170   Double_t pt[1];
3171   Double_t weight[nCentralitybinning];
3172   Double_t weightErr[nCentralitybinning];
3173   Double_t contents[2];
3174
3175   for(Int_t a=0;a<11;a++)
3176   {
3177       weight[a] = 1.0;
3178       weightErr[a] = 1.0;
3179   }
3180
3181
3182   Int_t looppt=nBin[0];
3183   Int_t loopcentr=1;
3184   Int_t ibin[2];
3185   if(fBeamType==1)
3186   {
3187       loopcentr=nBinPbPb[0];
3188   }
3189
3190
3191   for(int icentr=0; icentr<loopcentr; icentr++)
3192   {
3193       for(int i=0; i<looppt; i++)
3194       {
3195           pt[0]=(kPtRange[i]+kPtRange[i+1])/2.;
3196           if(isMCpt){
3197             if(fEfficiencyIPBeautyD[icentr]){
3198               weight[icentr]=fEfficiencyIPBeautyD[icentr]->Eval(pt[0]);
3199               weightErr[icentr] = 0;
3200             }
3201             else{
3202               printf("Fit failed on beauty IP cut efficiency for centrality %d. Contents in histo used!\n",icentr);
3203               weight[icentr] = fEfficiencyBeautySigD[icentr]->GetBinContent(i+1);
3204               weightErr[icentr] = fEfficiencyBeautySigD[icentr]->GetBinError(i+1);
3205             }
3206           }
3207           else{
3208             if(fEfficiencyIPBeautyesdD[icentr]){
3209               weight[icentr]=fEfficiencyIPBeautyesdD[icentr]->Eval(pt[0]);
3210               weightErr[icentr] = 0;
3211             }
3212             else{
3213               printf("Fit failed on beauty IP cut efficiency for centrality %d. Contents in histo used!\n",icentr);
3214               weight[icentr] = fEfficiencyBeautySigesdD[icentr]->GetBinContent(i+1);
3215               weightErr[icentr] = fEfficiencyBeautySigD[icentr]->GetBinError(i+1);
3216             }
3217           }
3218
3219           if(fBeamType==1){
3220               contents[0]=icentr;
3221               contents[1]=pt[0];
3222               ibin[0]=icentr;
3223               ibin[1]=i+1;
3224           }
3225           if(fBeamType==0){
3226               contents[0]=pt[0];
3227               ibin[0]=i+1;
3228           }
3229           ipcut->Fill(contents,weight[icentr]);
3230           ipcut->SetBinError(ibin,weightErr[icentr]);
3231       }
3232   }
3233
3234   Int_t nDimSparse = ipcut->GetNdimensions();
3235   Int_t* binsvar = new Int_t[nDimSparse]; // number of bins for each variable
3236   Long_t nBins = 1; // used to calculate the total number of bins in the THnSparse
3237
3238   for (Int_t iVar=0; iVar<nDimSparse; iVar++) {
3239       binsvar[iVar] = ipcut->GetAxis(iVar)->GetNbins();
3240       nBins *= binsvar[iVar];
3241   }
3242
3243   Int_t *binfill = new Int_t[nDimSparse]; // bin to fill the THnSparse (holding the bin coordinates)
3244   // loop that sets 0 error in each bin
3245   for (Long_t iBin=0; iBin<nBins; iBin++) {
3246     Long_t bintmp = iBin ;
3247     for (Int_t iVar=0; iVar<nDimSparse; iVar++) {
3248       binfill[iVar] = 1 + bintmp % binsvar[iVar] ;
3249       bintmp /= binsvar[iVar] ;
3250     }
3251     //ipcut->SetBinError(binfill,0.); // put 0 everywhere
3252   }
3253
3254   delete[] binsvar;
3255   delete[] binfill;
3256
3257   return ipcut;
3258 }
3259
3260 //____________________________________________________________________________
3261 THnSparse* AliHFEspectrum::GetPIDxIPEff(Int_t source){
3262   //
3263   // Return PID x IP cut efficiency
3264   //
3265     const Int_t nPtbinning1 = 35;//number of pt bins, according to new binning
3266     const Int_t nCentralitybinning=11;//number of centrality bins
3267     Double_t kPtRange[nPtbinning1+1] = { 0., 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1., 1.1, 1.2, 1.3, 1.4, 1.5, 1.75, 2., 2.25, 2.5, 2.75, 3., 3.5, 4., 4.5, 5., 5.5, 6., 7., 8., 10., 12., 14., 16., 18., 20.};//pt bin limits
3268     Double_t kCentralityRange[nCentralitybinning+1] = {0.,1.,2., 3., 4., 5., 6., 7.,8.,9., 10., 11.};
3269     Int_t ptpr = 0;
3270     Int_t nDim=1;  //dimensions of the efficiency weighting grid
3271     if(fBeamType==1)
3272     {
3273         ptpr=1;
3274         nDim=2; //dimensions of the efficiency weighting grid
3275     }
3276     Int_t nBin[1] = {nPtbinning1};
3277     Int_t nBinPbPb[2] = {nCentralitybinning,nPtbinning1};
3278
3279     THnSparseF *pideff;
3280     if(fBeamType==0) pideff = new THnSparseF("pideff", "PID efficiency; p_{t}(GeV/c)", nDim, nBin);
3281     else pideff = new THnSparseF("pideff", "PID efficiency; centrality bin; p_{t}(GeV/c)", nDim, nBinPbPb);
3282     for(Int_t idim = 0; idim < nDim; idim++)
3283     {
3284
3285         if(nDim==1) pideff->SetBinEdges(idim, kPtRange);
3286         if(nDim==2)
3287         {
3288             pideff->SetBinEdges(0, kCentralityRange);
3289             pideff->SetBinEdges(1, kPtRange);
3290         }
3291     }
3292
3293   Double_t pt[1];
3294   Double_t weight[nCentralitybinning];
3295   Double_t weightErr[nCentralitybinning];
3296   Double_t contents[2];
3297
3298   for(Int_t a=0;a<nCentralitybinning;a++)
3299   {
3300       weight[a] = 1.0;
3301       weightErr[a] = 1.0;
3302   }
3303
3304   Int_t looppt=nBin[0];
3305   Int_t loopcentr=1;
3306   Int_t ibin[2];
3307   if(fBeamType==1)
3308   {
3309       loopcentr=nBinPbPb[0];
3310   }
3311
3312   for(int icentr=0; icentr<loopcentr; icentr++)
3313   {
3314       Double_t trdtpcPidEfficiency = fEfficiencyFunction->Eval(0); // assume we have constant TRD+TPC PID efficiency
3315       for(int i=0; i<looppt; i++)
3316       {
3317           pt[0]=(kPtRange[i]+kPtRange[i+1])/2.;
3318
3319           Double_t tofpideff = 0.;
3320           Double_t tofpideffesd = 0.;
3321           if(fEfficiencyTOFPIDD[icentr])
3322             tofpideff = fEfficiencyTOFPIDD[icentr]->Eval(pt[0]);
3323           else{
3324             printf("TOF PID fit failed on conversion for centrality %d. The result is wrong!\n",icentr);
3325           }
3326           if(fEfficiencyesdTOFPIDD[icentr])
3327             tofpideffesd = fEfficiencyesdTOFPIDD[icentr]->Eval(pt[0]);
3328           else{
3329             printf("TOF PID fit failed on conversion for centrality %d. The result is wrong!\n",icentr);
3330           }
3331
3332           //tof pid eff x tpc pid eff x ip cut eff
3333           if(fIPParameterizedEff){
3334             if(source==0) {
3335               if(fEfficiencyIPCharmD[icentr]){
3336                 weight[icentr] = tofpideff*trdtpcPidEfficiency*fEfficiencyIPCharmD[icentr]->Eval(pt[0]);
3337                 weightErr[icentr] = 0;
3338               }
3339               else{
3340                 printf("Fit failed on charm IP cut efficiency for centrality %d\n",icentr);
3341                 weight[icentr] = tofpideff*trdtpcPidEfficiency*fEfficiencyCharmSigD[icentr]->GetBinContent(i+1);
3342                 weightErr[icentr] = tofpideff*trdtpcPidEfficiency*fEfficiencyCharmSigD[icentr]->GetBinError(i+1);
3343               }
3344             }
3345             else if(source==2) {
3346               if(fEfficiencyIPConversionD[icentr]){
3347                 weight[icentr] = tofpideffesd*trdtpcPidEfficiency*fEfficiencyIPConversionD[icentr]->Eval(pt[0]);
3348                 weightErr[icentr] = 0;
3349               }
3350               else{
3351                 printf("Fit failed on conversion IP cut efficiency for centrality %d\n",icentr);
3352                 weight[icentr] = tofpideffesd*trdtpcPidEfficiency*fConversionEff[icentr]->GetBinContent(i+1);
3353                 weightErr[icentr] = tofpideffesd*trdtpcPidEfficiency*fConversionEff[icentr]->GetBinError(i+1);
3354               }
3355             }
3356             else if(source==3) {
3357               if(fEfficiencyIPNonhfeD[icentr]){
3358                 weight[icentr] = tofpideffesd*trdtpcPidEfficiency*fEfficiencyIPNonhfeD[icentr]->Eval(pt[0]);
3359                 weightErr[icentr] = 0;
3360               }
3361               else{
3362                 printf("Fit failed on dalitz IP cut efficiency for centrality %d\n",icentr);
3363                 weight[icentr] = tofpideffesd*trdtpcPidEfficiency*fNonHFEEff[icentr]->GetBinContent(i+1);
3364                 weightErr[icentr] = tofpideffesd*trdtpcPidEfficiency*fNonHFEEff[icentr]->GetBinError(i+1);
3365               }
3366             }
3367           }
3368           else{
3369             if(source==0){
3370               if(fEfficiencyIPCharmD[icentr]){
3371                 weight[icentr] = tofpideff*trdtpcPidEfficiency*fEfficiencyIPCharmD[icentr]->Eval(pt[0]);
3372                 weightErr[icentr] = 0;
3373               }
3374               else{
3375                 printf("Fit failed on charm IP cut efficiency for centrality %d\n",icentr);
3376                 weight[icentr] = tofpideff*trdtpcPidEfficiency*fEfficiencyCharmSigD[icentr]->GetBinContent(i+1);
3377                 weightErr[icentr] = tofpideff*trdtpcPidEfficiency*fEfficiencyCharmSigD[icentr]->GetBinError(i+1);
3378               }
3379             }
3380             else if(source==2){
3381               if(fBeamType==0){
3382                 weight[icentr] = tofpideffesd*trdtpcPidEfficiency*fConversionEffbgc->GetBinContent(i+1); // conversion
3383                 weightErr[icentr] = tofpideffesd*trdtpcPidEfficiency*fConversionEffbgc->GetBinError(i+1);
3384               }
3385               else{
3386                 weight[icentr] = tofpideffesd*trdtpcPidEfficiency*fConversionEff[icentr]->GetBinContent(i+1); // conversion
3387                 weightErr[icentr] = tofpideffesd*trdtpcPidEfficiency*fConversionEff[icentr]->GetBinError(i+1);
3388               }
3389             }
3390             else if(source==3){
3391               if(fBeamType==0){
3392                 weight[icentr] = tofpideffesd*trdtpcPidEfficiency*fNonHFEEffbgc->GetBinContent(i+1); // conversion
3393                 weightErr[icentr] = tofpideffesd*trdtpcPidEfficiency*fNonHFEEffbgc->GetBinError(i+1);
3394               }
3395               else{
3396                 weight[icentr] = tofpideffesd*trdtpcPidEfficiency*fNonHFEEff[icentr]->GetBinContent(i+1); // Dalitz
3397                 weightErr[icentr] = tofpideffesd*trdtpcPidEfficiency*fNonHFEEff[icentr]->GetBinError(i+1);
3398               }
3399             }
3400           }
3401
3402           if(fBeamType==1){
3403               contents[0]=icentr;
3404               contents[1]=pt[0];
3405               ibin[0]=icentr;
3406               ibin[1]=i+1;
3407           }
3408           if(fBeamType==0){
3409               contents[0]=pt[0];
3410               ibin[0]=i+1;
3411           }
3412
3413           pideff->Fill(contents,weight[icentr]);
3414           pideff->SetBinError(ibin,weightErr[icentr]);
3415       }
3416   }
3417
3418   Int_t nDimSparse = pideff->GetNdimensions();
3419   Int_t* binsvar = new Int_t[nDimSparse]; // number of bins for each variable
3420   Long_t nBins = 1; // used to calculate the total number of bins in the THnSparse
3421
3422   for (Int_t iVar=0; iVar<nDimSparse; iVar++) {
3423       binsvar[iVar] = pideff->GetAxis(iVar)->GetNbins();
3424       nBins *= binsvar[iVar];
3425   }
3426
3427   Int_t *binfill = new Int_t[nDimSparse]; // bin to fill the THnSparse (holding the bin coordinates)
3428   // loop that sets 0 error in each bin
3429   for (Long_t iBin=0; iBin<nBins; iBin++) {
3430     Long_t bintmp = iBin ;
3431     for (Int_t iVar=0; iVar<nDimSparse; iVar++) {
3432       binfill[iVar] = 1 + bintmp % binsvar[iVar] ;
3433       bintmp /= binsvar[iVar] ;
3434     }
3435   }
3436
3437   delete[] binsvar;
3438   delete[] binfill;
3439
3440
3441   return pideff;
3442 }
3443
3444 //__________________________________________________________________________
3445 AliCFDataGrid *AliHFEspectrum::GetRawBspectra2ndMethod(){
3446  //
3447  // retrieve AliCFDataGrid for raw beauty spectra obtained from fit method
3448     //
3449     Int_t ptpr = 0;
3450     Int_t nDim = 1;
3451     if(fBeamType==0)
3452     {
3453         ptpr=0;
3454     }
3455     if(fBeamType==1)
3456     {
3457         ptpr=1;
3458         nDim=2;
3459     }
3460
3461     const Int_t nPtbinning1 = 18;//number of pt bins, according to new binning
3462     const Int_t nCentralitybinning=11;//number of centrality bins
3463     Double_t kPtRange[19] = {0, 0.1, 0.3, 0.5, 0.7, 0.9, 1.1, 1.3, 1.5, 2, 2.5, 3, 4, 5, 6, 8, 12, 16, 20};
3464
3465     Double_t kCentralityRange[nCentralitybinning+1] = {0.,1.,2., 3., 4., 5., 6., 7.,8.,9., 10., 11.};
3466     Int_t nBin[1] = {nPtbinning1};
3467     Int_t nBinPbPb[2] = {nCentralitybinning,nPtbinning1};
3468
3469     AliCFDataGrid *rawBeautyContainer;
3470     if(fBeamType==0)  rawBeautyContainer = new AliCFDataGrid("rawBeautyContainer","rawBeautyContainer",nDim,nBin);
3471     else rawBeautyContainer = new AliCFDataGrid("rawBeautyContainer","rawBeautyContainer",nDim,nBinPbPb);
3472     //  printf("number of bins= %d\n",bins[0]);
3473
3474
3475
3476
3477     THnSparseF *brawspectra;
3478     if(fBeamType==0) brawspectra= new THnSparseF("brawspectra", "beauty yields ; p_{t}(GeV/c)", nDim, nBin);
3479     else brawspectra= new THnSparseF("brawspectra", "beauty yields ; p_{t}(GeV/c)", nDim, nBinPbPb);
3480     if(fBeamType==0) brawspectra->SetBinEdges(0, kPtRange);
3481     if(fBeamType==1)
3482       {
3483         //      brawspectra->SetBinEdges(0, centralityBins);
3484         brawspectra->SetBinEdges(0, kCentralityRange);
3485         brawspectra->SetBinEdges(1, kPtRange);
3486       }
3487
3488     Double_t pt[1];
3489     Double_t yields= 0.;
3490     Double_t valuesb[2];
3491
3492     //Int_t looppt=nBin[0];
3493     Int_t loopcentr=1;
3494     if(fBeamType==1)
3495       {
3496         loopcentr=nBinPbPb[0];
3497       }
3498
3499     for(int icentr=0; icentr<loopcentr; icentr++)
3500       {
3501
3502         for(int i=0; i<fBSpectrum2ndMethod->GetNbinsX(); i++){
3503           pt[0]=(kPtRange[i]+kPtRange[i+1])/2.;
3504
3505           yields = fBSpectrum2ndMethod->GetBinContent(i+1);
3506
3507           if(fBeamType==1)
3508             {
3509               valuesb[0]=icentr;
3510               valuesb[1]=pt[0];
3511             }
3512           if(fBeamType==0) valuesb[0]=pt[0];
3513           brawspectra->Fill(valuesb,yields);
3514         }
3515       }
3516
3517
3518
3519     Int_t nDimSparse = brawspectra->GetNdimensions();
3520     Int_t* binsvar = new Int_t[nDimSparse]; // number of bins for each variable
3521     Long_t nBins = 1; // used to calculate the total number of bins in the THnSparse
3522
3523     for (Int_t iVar=0; iVar<nDimSparse; iVar++) {
3524       binsvar[iVar] = brawspectra->GetAxis(iVar)->GetNbins();
3525       nBins *= binsvar[iVar];
3526     }
3527
3528     Int_t *binfill = new Int_t[nDimSparse]; // bin to fill the THnSparse (holding the bin coordinates)
3529     // loop that sets 0 error in each bin
3530     for (Long_t iBin=0; iBin<nBins; iBin++) {
3531       Long_t bintmp = iBin ;
3532       for (Int_t iVar=0; iVar<nDimSparse; iVar++) {
3533         binfill[iVar] = 1 + bintmp % binsvar[iVar] ;
3534         bintmp /= binsvar[iVar] ;
3535       }
3536       brawspectra->SetBinError(binfill,0.); // put 0 everywhere
3537     }
3538
3539
3540     rawBeautyContainer->SetGrid(brawspectra); // get charm efficiency
3541     TH1D* hRawBeautySpectra = (TH1D*)rawBeautyContainer->Project(ptpr);
3542
3543     new TCanvas;
3544     fBSpectrum2ndMethod->SetMarkerStyle(24);
3545     fBSpectrum2ndMethod->Draw("p");
3546     hRawBeautySpectra->SetMarkerStyle(25);
3547     hRawBeautySpectra->Draw("samep");
3548
3549     delete[] binfill;
3550     delete[] binsvar;
3551
3552     return rawBeautyContainer;
3553 }
3554
3555 //__________________________________________________________________________
3556 void AliHFEspectrum::CalculateNonHFEsyst(Int_t centrality){
3557   //
3558   // Calculate non HFE sys
3559   //
3560   //
3561
3562   if(!fNonHFEsyst)
3563     return;
3564
3565   Double_t evtnorm[1] = {0.0};
3566   if(fNMCbgEvents[0]>0) evtnorm[0]= double(fNEvents[0])/double(fNMCbgEvents[0]);
3567
3568   AliCFDataGrid *convSourceGrid[kElecBgSources][kBgLevels];
3569   AliCFDataGrid *nonHFESourceGrid[kElecBgSources][kBgLevels];
3570
3571   AliCFDataGrid *bgLevelGrid[2][kBgLevels];//for pi0 and eta based errors
3572   AliCFDataGrid *bgNonHFEGrid[kBgLevels];
3573   AliCFDataGrid *bgConvGrid[kBgLevels];
3574
3575   Int_t stepbackground = 3;
3576   Int_t* bins=new Int_t[1];
3577   const Char_t *bgBase[2] = {"pi0","eta"};
3578
3579   bins[0]=fConversionEff[centrality]->GetNbinsX();
3580
3581   AliCFDataGrid *weightedConversionContainer = new AliCFDataGrid("weightedConversionContainer","weightedConversionContainer",1,bins);
3582   AliCFDataGrid *weightedNonHFEContainer = new AliCFDataGrid("weightedNonHFEContainer","weightedNonHFEContainer",1,bins);
3583
3584   for(Int_t iLevel = 0; iLevel < kBgLevels; iLevel++){
3585     for(Int_t iSource = 0; iSource < kElecBgSources; iSource++){
3586       convSourceGrid[iSource][iLevel] = new AliCFDataGrid(Form("convGrid_%d_%d_%d",iSource,iLevel,centrality),Form("convGrid_%d_%d_%d",iSource,iLevel,centrality),*fConvSourceContainer[iSource][iLevel][centrality],stepbackground);
3587       weightedConversionContainer->SetGrid(GetPIDxIPEff(2));
3588       convSourceGrid[iSource][iLevel]->Multiply(weightedConversionContainer,1.0);
3589
3590       nonHFESourceGrid[iSource][iLevel] = new AliCFDataGrid(Form("nonHFEGrid_%d_%d_%d",iSource,iLevel,centrality),Form("nonHFEGrid_%d_%d_%d",iSource,iLevel,centrality),*fNonHFESourceContainer[iSource][iLevel][centrality],stepbackground);
3591       weightedNonHFEContainer->SetGrid(GetPIDxIPEff(3));
3592       nonHFESourceGrid[iSource][iLevel]->Multiply(weightedNonHFEContainer,1.0);
3593     }
3594
3595     bgConvGrid[iLevel] = (AliCFDataGrid*)convSourceGrid[0][iLevel]->Clone();
3596     for(Int_t iSource = 2; iSource < kElecBgSources; iSource++){
3597       bgConvGrid[iLevel]->Add(convSourceGrid[iSource][iLevel]);
3598     }
3599     if(!fEtaSyst)
3600       bgConvGrid[iLevel]->Add(convSourceGrid[1][iLevel]);
3601
3602     bgNonHFEGrid[iLevel] = (AliCFDataGrid*)nonHFESourceGrid[0][iLevel]->Clone();
3603     for(Int_t iSource = 2; iSource < kElecBgSources; iSource++){//add other sources to pi0, to get overall background from all meson decays, exception: eta (independent error calculation)
3604       bgNonHFEGrid[iLevel]->Add(nonHFESourceGrid[iSource][iLevel]);
3605     }
3606     if(!fEtaSyst)
3607       bgNonHFEGrid[iLevel]->Add(nonHFESourceGrid[1][iLevel]);
3608
3609     bgLevelGrid[0][iLevel] = (AliCFDataGrid*)bgConvGrid[iLevel]->Clone();
3610     bgLevelGrid[0][iLevel]->Add(bgNonHFEGrid[iLevel]);
3611     if(fEtaSyst){
3612       bgLevelGrid[1][iLevel] = (AliCFDataGrid*)nonHFESourceGrid[1][iLevel]->Clone();//background for eta source
3613       bgLevelGrid[1][iLevel]->Add(convSourceGrid[1][iLevel]);
3614     }
3615   }
3616
3617
3618   //Now subtract the mean from upper, and lower from mean container to get the error based on the pion yield uncertainty (-> this error sums linearly, since its contribution to all meson yields is correlated; exception: eta errors in pp 7 TeV sum with others the gaussian way, as they are independent from pi0)
3619   AliCFDataGrid *bgErrorGrid[2][2];//for pions/eta error base, for lower/upper
3620   TH1D* hBaseErrors[2][2];//pi0/eta and lower/upper
3621   for(Int_t iErr = 0; iErr < 2; iErr++){//errors for pi0 and eta base
3622     bgErrorGrid[iErr][0] = (AliCFDataGrid*)bgLevelGrid[iErr][1]->Clone();
3623     bgErrorGrid[iErr][0]->Add(bgLevelGrid[iErr][0],-1.);
3624     bgErrorGrid[iErr][1] = (AliCFDataGrid*)bgLevelGrid[iErr][2]->Clone();
3625     bgErrorGrid[iErr][1]->Add(bgLevelGrid[iErr][0],-1.);
3626
3627   //plot absolute differences between limit yields (upper/lower limit, based on pi0 and eta errors) and best estimate
3628
3629     hBaseErrors[iErr][0] = (TH1D*)bgErrorGrid[iErr][0]->Project(0);
3630     hBaseErrors[iErr][0]->Scale(-1.);
3631     hBaseErrors[iErr][0]->SetTitle(Form("Absolute %s-based systematic errors from non-HF meson decays and conversions",bgBase[iErr]));
3632     hBaseErrors[iErr][1] = (TH1D*)bgErrorGrid[iErr][1]->Project(0);
3633     if(!fEtaSyst)break;
3634   }
3635
3636
3637   //Calculate the scaling errors for electrons from all mesons except for pions (and in pp 7 TeV case eta): square sum of (0.3 * best yield estimate), where 0.3 is the error generally assumed for m_t scaling
3638   TH1D *hSpeciesErrors[kElecBgSources-1];
3639   for(Int_t iSource = 1; iSource < kElecBgSources; iSource++){
3640     if(fEtaSyst && (iSource == 1))continue;
3641     hSpeciesErrors[iSource-1] = (TH1D*)convSourceGrid[iSource][0]->Project(0);
3642     TH1D *hNonHFEtemp = (TH1D*)nonHFESourceGrid[iSource][0]->Project(0);
3643     hSpeciesErrors[iSource-1]->Add(hNonHFEtemp);
3644     hSpeciesErrors[iSource-1]->Scale(0.3);
3645   }
3646
3647   //Int_t firstBgSource = 0;//if eta systematics are not from scaling
3648   //if(fEtaSyst){firstBgSource = 1;}//source 0 histograms are not filled if eta errors are independently determined!
3649   TH1D *hOverallSystErrLow = (TH1D*)hSpeciesErrors[1]->Clone();
3650   TH1D *hOverallSystErrUp = (TH1D*)hSpeciesErrors[1]->Clone();
3651   TH1D *hScalingErrors = (TH1D*)hSpeciesErrors[1]->Clone();
3652
3653   TH1D *hOverallBinScaledErrsUp = (TH1D*)hOverallSystErrUp->Clone();
3654   TH1D *hOverallBinScaledErrsLow = (TH1D*)hOverallSystErrLow->Clone();
3655
3656   for(Int_t iBin = 1; iBin <= kBgPtBins; iBin++){
3657     Double_t pi0basedErrLow,pi0basedErrUp,etaErrLow,etaErrUp;
3658     pi0basedErrLow = hBaseErrors[0][0]->GetBinContent(iBin);
3659     pi0basedErrUp = hBaseErrors[0][1]->GetBinContent(iBin);
3660     if(fEtaSyst){
3661       etaErrLow = hBaseErrors[1][0]->GetBinContent(iBin);
3662       etaErrUp = hBaseErrors[1][1]->GetBinContent(iBin);
3663     }
3664     else{ etaErrLow = etaErrUp = 0.;}
3665
3666     Double_t sqrsumErrs= 0;
3667     for(Int_t iSource = 1; iSource < kElecBgSources; iSource++){
3668       if(fEtaSyst && (iSource == 1))continue;
3669       Double_t scalingErr=hSpeciesErrors[iSource-1]->GetBinContent(iBin);
3670       sqrsumErrs+=(scalingErr*scalingErr);
3671     }
3672     for(Int_t iErr = 0; iErr < 2; iErr++){
3673       for(Int_t iLevel = 0; iLevel < 2; iLevel++){
3674         hBaseErrors[iErr][iLevel]->SetBinContent(iBin,hBaseErrors[iErr][iLevel]->GetBinContent(iBin)/hBaseErrors[iErr][iLevel]->GetBinWidth(iBin));
3675       }
3676       if(!fEtaSyst)break;
3677     }
3678     hOverallSystErrUp->SetBinContent(iBin, TMath::Sqrt((pi0basedErrUp*pi0basedErrUp)+(etaErrUp*etaErrUp)+sqrsumErrs));
3679     hOverallSystErrLow->SetBinContent(iBin, TMath::Sqrt((pi0basedErrLow*pi0basedErrLow)+(etaErrLow*etaErrLow)+sqrsumErrs));
3680     hScalingErrors->SetBinContent(iBin, TMath::Sqrt(sqrsumErrs)/hScalingErrors->GetBinWidth(iBin));
3681
3682     hOverallBinScaledErrsUp->SetBinContent(iBin,hOverallSystErrUp->GetBinContent(iBin)/hOverallBinScaledErrsUp->GetBinWidth(iBin));
3683     hOverallBinScaledErrsLow->SetBinContent(iBin,hOverallSystErrLow->GetBinContent(iBin)/hOverallBinScaledErrsLow->GetBinWidth(iBin));
3684   }
3685
3686
3687   TCanvas *cPiErrors = new TCanvas("cPiErrors","cPiErrors",1000,600);
3688   cPiErrors->cd();
3689   cPiErrors->SetLogx();
3690   cPiErrors->SetLogy();
3691   hBaseErrors[0][0]->Draw();
3692   //hBaseErrors[0][1]->SetMarkerColor(kBlack);
3693   //hBaseErrors[0][1]->SetLineColor(kBlack);
3694   //hBaseErrors[0][1]->Draw("SAME");
3695   if(fEtaSyst){
3696     hBaseErrors[1][0]->Draw("SAME");
3697     hBaseErrors[1][0]->SetMarkerColor(kBlack);
3698     hBaseErrors[1][0]->SetLineColor(kBlack);
3699   //hBaseErrors[1][1]->SetMarkerColor(13);
3700   //hBaseErrors[1][1]->SetLineColor(13);
3701   //hBaseErrors[1][1]->Draw("SAME");
3702   }
3703   //hOverallBinScaledErrsUp->SetMarkerColor(kBlue);
3704   //hOverallBinScaledErrsUp->SetLineColor(kBlue);
3705   //hOverallBinScaledErrsUp->Draw("SAME");
3706   hOverallBinScaledErrsLow->SetMarkerColor(kGreen);
3707   hOverallBinScaledErrsLow->SetLineColor(kGreen);
3708   hOverallBinScaledErrsLow->Draw("SAME");
3709   hScalingErrors->SetLineColor(kBlue);
3710   hScalingErrors->Draw("SAME");
3711
3712   TLegend *lPiErr = new TLegend(0.6,0.6, 0.95,0.95);
3713   lPiErr->AddEntry(hBaseErrors[0][0],"Lower error from pion error");
3714   //lPiErr->AddEntry(hBaseErrors[0][1],"Upper error from pion error");
3715   if(fEtaSyst){
3716   lPiErr->AddEntry(hBaseErrors[1][0],"Lower error from eta error");
3717   //lPiErr->AddEntry(hBaseErrors[1][1],"Upper error from eta error");
3718   }
3719   lPiErr->AddEntry(hScalingErrors, "scaling error");
3720   lPiErr->AddEntry(hOverallBinScaledErrsLow, "overall lower systematics");
3721   //lPiErr->AddEntry(hOverallBinScaledErrsUp, "overall upper systematics");
3722   lPiErr->Draw("SAME");
3723
3724   //Normalize errors
3725   TH1D *hUpSystScaled = (TH1D*)hOverallSystErrUp->Clone();
3726   TH1D *hLowSystScaled = (TH1D*)hOverallSystErrLow->Clone();
3727   hUpSystScaled->Scale(evtnorm[0]);//scale by N(data)/N(MC), to make data sets comparable to saved subtracted spectrum (calculations in separate macro!)
3728   hLowSystScaled->Scale(evtnorm[0]);
3729   TH1D *hNormAllSystErrUp = (TH1D*)hUpSystScaled->Clone();
3730   TH1D *hNormAllSystErrLow = (TH1D*)hLowSystScaled->Clone();
3731   //histograms to be normalized to TGraphErrors
3732   CorrectFromTheWidth(hNormAllSystErrUp);
3733   CorrectFromTheWidth(hNormAllSystErrLow);
3734
3735   TCanvas *cNormOvErrs = new TCanvas("cNormOvErrs","cNormOvErrs");
3736   cNormOvErrs->cd();
3737   cNormOvErrs->SetLogx();
3738   cNormOvErrs->SetLogy();
3739
3740   TGraphErrors* gOverallSystErrUp = NormalizeTH1(hNormAllSystErrUp);
3741   TGraphErrors* gOverallSystErrLow = NormalizeTH1(hNormAllSystErrLow);
3742   gOverallSystErrUp->SetTitle("Overall Systematic non-HFE Errors");
3743   gOverallSystErrUp->SetMarkerColor(kBlack);
3744   gOverallSystErrUp->SetLineColor(kBlack);
3745   gOverallSystErrLow->SetMarkerColor(kRed);
3746   gOverallSystErrLow->SetLineColor(kRed);
3747   gOverallSystErrUp->Draw("AP");
3748   gOverallSystErrLow->Draw("PSAME");
3749   TLegend *lAllSys = new TLegend(0.4,0.6,0.89,0.89);
3750   lAllSys->AddEntry(gOverallSystErrLow,"lower","p");
3751   lAllSys->AddEntry(gOverallSystErrUp,"upper","p");
3752   lAllSys->Draw("same");
3753
3754
3755   AliCFDataGrid *bgYieldGrid;
3756   if(fEtaSyst){
3757     bgLevelGrid[0][0]->Add(bgLevelGrid[1][0]);//Addition of the eta background best estimate to the rest. Needed to be separated for error treatment - now overall background necessary! If no separate eta systematics exist, the corresponding grid has already been added before.
3758   }
3759   bgYieldGrid = (AliCFDataGrid*)bgLevelGrid[0][0]->Clone();
3760
3761   TH1D *hBgYield = (TH1D*)bgYieldGrid->Project(0);
3762   TH1D* hRelErrUp = (TH1D*)hOverallSystErrUp->Clone();
3763   hRelErrUp->Divide(hBgYield);
3764   TH1D* hRelErrLow = (TH1D*)hOverallSystErrLow->Clone();
3765   hRelErrLow->Divide(hBgYield);
3766
3767   TCanvas *cRelErrs = new TCanvas("cRelErrs","cRelErrs");
3768   cRelErrs->cd();
3769   cRelErrs->SetLogx();
3770   hRelErrUp->SetTitle("Relative error of non-HFE background yield");
3771   hRelErrUp->Draw();
3772   hRelErrLow->SetLineColor(kBlack);
3773   hRelErrLow->Draw("SAME");
3774
3775   TLegend *lRel = new TLegend(0.6,0.6,0.95,0.95);
3776   lRel->AddEntry(hRelErrUp, "upper");
3777   lRel->AddEntry(hRelErrLow, "lower");
3778   lRel->Draw("SAME");
3779
3780   //CorrectFromTheWidth(hBgYield);
3781   //hBgYield->Scale(evtnorm[0]);
3782
3783
3784   //write histograms/TGraphs to file
3785   TFile *output = new TFile("systHists.root","recreate");
3786
3787   hBgYield->SetName("hBgYield");
3788   hBgYield->Write();
3789   hRelErrUp->SetName("hRelErrUp");
3790   hRelErrUp->Write();
3791   hRelErrLow->SetName("hRelErrLow");
3792   hRelErrLow->Write();
3793   hUpSystScaled->SetName("hOverallSystErrUp");
3794   hUpSystScaled->Write();
3795   hLowSystScaled->SetName("hOverallSystErrLow");
3796   hLowSystScaled->Write();
3797   gOverallSystErrUp->SetName("gOverallSystErrUp");
3798   gOverallSystErrUp->Write();
3799   gOverallSystErrLow->SetName("gOverallSystErrLow");
3800   gOverallSystErrLow->Write();
3801
3802   output->Close();
3803   delete output;
3804
3805 }
3806
3807 //____________________________________________________________
3808 void AliHFEspectrum::UnfoldBG(AliCFDataGrid* const bgsubpectrum){
3809
3810   //
3811   // Unfold backgrounds to check its sanity
3812   //
3813
3814   AliCFContainer *mcContainer = GetContainer(kMCContainerCharmMC);
3815   //AliCFContainer *mcContainer = GetContainer(kMCContainerMC);
3816   if(!mcContainer){
3817     AliError("MC Container not available");
3818     return;
3819   }
3820
3821   if(!fCorrelation){
3822     AliError("No Correlation map available");
3823     return;
3824   }
3825
3826   // Data
3827   AliCFDataGrid *dataGrid = 0x0;
3828   dataGrid = bgsubpectrum;
3829
3830   // Guessed
3831   AliCFDataGrid* guessedGrid = new AliCFDataGrid("guessed","",*mcContainer, fStepGuessedUnfolding);
3832   THnSparse* guessedTHnSparse = ((AliCFGridSparse*)guessedGrid->GetData())->GetGrid();
3833
3834   // Efficiency
3835   AliCFEffGrid* efficiencyD = new AliCFEffGrid("efficiency","",*mcContainer);
3836   efficiencyD->CalculateEfficiency(fStepMC+2,fStepTrue);
3837
3838   // Unfold background spectra
3839   Int_t nDim=1;
3840   if(fBeamType==0)nDim = 1;
3841   if(fBeamType==1)nDim = 2;
3842   AliCFUnfolding unfolding("unfolding","",nDim,fCorrelation,efficiencyD->GetGrid(),dataGrid->GetGrid(),guessedTHnSparse);
3843   if(fUnSetCorrelatedErrors) unfolding.UnsetCorrelatedErrors();
3844   unfolding.SetMaxNumberOfIterations(fNumberOfIterations);
3845   if(fSetSmoothing) unfolding.UseSmoothing();
3846   unfolding.Unfold();
3847
3848   // Results
3849   THnSparse* result = unfolding.GetUnfolded();
3850   TCanvas *ctest = new TCanvas("yvonnetest","yvonnetest",1000,600);
3851   if(fBeamType==1)
3852   {
3853       ctest->Divide(2,2);
3854       ctest->cd(1);
3855       result->GetAxis(0)->SetRange(1,1);
3856       TH1D* htest1=(TH1D*)result->Projection(0);
3857       htest1->Draw();
3858       ctest->cd(2);
3859       result->GetAxis(0)->SetRange(1,1);
3860       TH1D* htest2=(TH1D*)result->Projection(1);
3861       htest2->Draw();
3862       ctest->cd(3);
3863       result->GetAxis(0)->SetRange(6,6);
3864       TH1D* htest3=(TH1D*)result->Projection(0);
3865       htest3->Draw();
3866       ctest->cd(4);
3867       result->GetAxis(0)->SetRange(6,6);
3868       TH1D* htest4=(TH1D*)result->Projection(1);
3869       htest4->Draw();
3870
3871   }
3872
3873
3874
3875
3876
3877   TGraphErrors* unfoldedbgspectrumD = Normalize(result);
3878   if(!unfoldedbgspectrumD) {
3879     AliError("Unfolded background spectrum doesn't exist");
3880   }
3881   else{
3882     TFile *file = TFile::Open("unfoldedbgspectrum.root","recreate");
3883     if(fBeamType==0)unfoldedbgspectrumD->Write("unfoldedbgspectrum");
3884
3885     if(fBeamType==1)
3886     {
3887         Int_t centr=1;
3888         result->GetAxis(0)->SetRange(centr,centr);
3889         unfoldedbgspectrumD = Normalize(result,centr-1);
3890         unfoldedbgspectrumD->Write("unfoldedbgspectrum_centr0_20");
3891         centr=6;
3892         result->GetAxis(0)->SetRange(centr,centr);
3893         unfoldedbgspectrumD = Normalize(result,centr-1);
3894         unfoldedbgspectrumD->Write("unfoldedbgspectrum_centr40_80");
3895     }
3896
3897     file->Close();
3898   }
3899 }