PWGCF/EBYE/macros/drawBalanceFunctionPsi.C

   1 const Int_t numberOfCentralityBins = 8;
   2 TString centralityArray[numberOfCentralityBins] = {"0-10","10-20","20-30","30-40","40-50","50-60","60-70","70-80"};
   3
   4 void drawBalanceFunctionPsi(const char* filename = "AnalysisResultsPsi.root",
   5                             Int_t gCentrality = 1,
   6                             Int_t gDeltaEtaDeltaPhi = 2,
   7                             Double_t psiMin = -0.5, Double_t psiMax = 0.5,
   8                             Double_t ptTriggerMin = -1.,
   9                             Double_t ptTriggerMax = -1.,
  10                             Double_t ptAssociatedMin = -1.,
  11                             Double_t ptAssociatedMax = -1.) {
  12   //Macro that draws the BF distributions for each centrality bin
  13   //for reaction plane dependent analysis
  14   //Author: Panos.Christakoglou@nikhef.nl
  15   //Load the PWG2ebye library
  16   gSystem->Load("libANALYSIS.so");
  17   gSystem->Load("libANALYSISalice.so");
  18   gSystem->Load("libEventMixing.so");
  19   gSystem->Load("libCORRFW.so");
  20   gSystem->Load("libPWGTools.so");
  21   gSystem->Load("libPWGCFebye.so");
  22
  23   //Prepare the objects and return them
  24   TList *listBF = GetListOfObjects(filename,gCentrality,0);
  25   TList *listBFShuffled = GetListOfObjects(filename,gCentrality,1);
  26   TList *listBFMixed = GetListOfObjects(filename,gCentrality,2);
  27   if(!listBF) {
  28     Printf("The TList object was not created");
  29     return;
  30   }
  31   else
  32     draw(listBF,listBFShuffled,listBFMixed,
  33          gCentrality,gDeltaEtaDeltaPhi,
  34          psiMin,psiMax,
  35          ptTriggerMin,ptTriggerMax,ptAssociatedMin,ptAssociatedMax);
  36 }
  37
  38 //______________________________________________________//
  39 TList *GetListOfObjects(const char* filename,
  40                         Int_t gCentrality, Int_t kData = 1) {
  41   //Get the TList objects (QA, bf, bf shuffled)
  42   //kData == 0: data
  43   //kData == 1: shuffling
  44   //kData == 2: mixing
  45   TList *listQA = 0x0;
  46   TList *listBF = 0x0;
  47
  48   //Open the file
  49   TFile *f = TFile::Open(filename);
  50   if((!f)||(!f->IsOpen())) {
  51     Printf("The file %s is not found. Aborting...",filename);
  52     return listBF;
  53   }
  54   //f->ls();
  55
  56   TDirectoryFile *dir = dynamic_cast<TDirectoryFile *>(f->Get("PWGCFEbyE.outputBalanceFunctionPsiAnalysis"));
  57   if(!dir) {
  58     Printf("The TDirectoryFile is not found. Aborting...",filename);
  59     return listBF;
  60   }
  61   //dir->ls();
  62
  63   TString listBFName;
  64   if(kData == 0) {
  65     //cout<<"no shuffling - no mixing"<<endl;
  66     listBFName = "listBFPsi_";
  67   }
  68   else if(kData == 1) {
  69     //cout<<"shuffling - no mixing"<<endl;
  70     listBFName = "listBFPsiShuffled_";
  71   }
  72   else if(kData == 2) {
  73     //cout<<"no shuffling - mixing"<<endl;
  74     listBFName = "listBFPsiMixed_";
  75   }
  76   listBFName += centralityArray[gCentrality-1];
  77   listBF = dynamic_cast<TList *>(dir->Get(listBFName.Data()));
  78   cout<<"======================================================="<<endl;
  79   cout<<"List name: "<<listBF->GetName()<<endl;
  80   //listBF->ls();
  81
  82   //Get the histograms
  83   TString histoName;
  84   if(kData == 0)
  85     histoName = "fHistPV0M";
  86   else if(kData == 1)
  87     histoName = "fHistP_shuffleV0M";
  88   else if(kData == 2)
  89     histoName = "fHistPV0M";
  90   AliTHn *fHistP = dynamic_cast<AliTHn *>(listBF->FindObject(histoName.Data()));
  91   if(!fHistP) {
  92     Printf("fHistP %s not found!!!",histoName.Data());
  93     break;
  94   }
  95   fHistP->FillParent(); fHistP->DeleteContainers();
  96
  97   if(kData == 0)
  98     histoName = "fHistNV0M";
  99   if(kData == 1)
 100     histoName = "fHistN_shuffleV0M";
 101   if(kData == 2)
 102     histoName = "fHistNV0M";
 103   AliTHn *fHistN = dynamic_cast<AliTHn *>(listBF->FindObject(histoName.Data()));
 104   if(!fHistN) {
 105     Printf("fHistN %s not found!!!",histoName.Data());
 106     break;
 107   }
 108   fHistN->FillParent(); fHistN->DeleteContainers();
 109
 110   if(kData == 0)
 111     histoName = "fHistPNV0M";
 112   if(kData == 1)
 113     histoName = "fHistPN_shuffleV0M";
 114   if(kData == 2)
 115     histoName = "fHistPNV0M";
 116   AliTHn *fHistPN = dynamic_cast<AliTHn *>(listBF->FindObject(histoName.Data()));
 117   if(!fHistPN) {
 118     Printf("fHistPN %s not found!!!",histoName.Data());
 119     break;
 120   }
 121   fHistPN->FillParent(); fHistPN->DeleteContainers();
 122
 123   if(kData == 0)
 124     histoName = "fHistNPV0M";
 125   if(kData == 1)
 126     histoName = "fHistNP_shuffleV0M";
 127   if(kData == 2)
 128     histoName = "fHistNPV0M";
 129   AliTHn *fHistNP = dynamic_cast<AliTHn *>(listBF->FindObject(histoName.Data()));
 130   if(!fHistNP) {
 131     Printf("fHistNP %s not found!!!",histoName.Data());
 132     break;
 133   }
 134   fHistNP->FillParent(); fHistNP->DeleteContainers();
 135
 136   if(kData == 0)
 137     histoName = "fHistPPV0M";
 138   if(kData == 1)
 139     histoName = "fHistPP_shuffleV0M";
 140   if(kData == 2)
 141     histoName = "fHistPPV0M";
 142   AliTHn *fHistPP = dynamic_cast<AliTHn *>(listBF->FindObject(histoName.Data()));
 143   if(!fHistPP) {
 144     Printf("fHistPP %s not found!!!",histoName.Data());
 145     break;
 146   }
 147   fHistPP->FillParent(); fHistPP->DeleteContainers();
 148
 149   if(kData == 0)
 150     histoName = "fHistNNV0M";
 151   if(kData == 1)
 152     histoName = "fHistNN_shuffleV0M";
 153   if(kData == 2)
 154     histoName = "fHistNNV0M";
 155   AliTHn *fHistNN = dynamic_cast<AliTHn *>(listBF->FindObject(histoName.Data()));
 156   if(!fHistNN) {
 157     Printf("fHistNN %s not found!!!",histoName.Data());
 158     break;
 159   }
 160   fHistNN->FillParent(); fHistNN->DeleteContainers();
 161
 162   return listBF;
 163 }
 164
 165 //______________________________________________________//
 166 void draw(TList *listBF, TList *listBFShuffled, TList *listBFMixed,
 167           Int_t gCentrality, Int_t gDeltaEtaDeltaPhi,
 168           Double_t psiMin, Double_t psiMax,
 169           Double_t ptTriggerMin, Double_t ptTriggerMax,
 170           Double_t ptAssociatedMin, Double_t ptAssociatedMax) {
 171   gROOT->LoadMacro("~/SetPlotStyle.C");
 172   SetPlotStyle();
 173   gStyle->SetPalette(1,0);
 174
 175   const Int_t gRebin = gDeltaEtaDeltaPhi; //rebin by 2 the Delta phi projection
 176
 177   //balance function
 178   AliTHn *hP = NULL;
 179   AliTHn *hN = NULL;
 180   AliTHn *hPN = NULL;
 181   AliTHn *hNP = NULL;
 182   AliTHn *hPP = NULL;
 183   AliTHn *hNN = NULL;
 184   //listBF->ls();
 185   //Printf("=================");
 186   hP = (AliTHn*) listBF->FindObject("fHistPV0M");
 187   hN = (AliTHn*) listBF->FindObject("fHistNV0M");
 188   hPN = (AliTHn*) listBF->FindObject("fHistPNV0M");
 189   hNP = (AliTHn*) listBF->FindObject("fHistNPV0M");
 190   hPP = (AliTHn*) listBF->FindObject("fHistPPV0M");
 191   hNN = (AliTHn*) listBF->FindObject("fHistNNV0M");
 192
 193   AliBalancePsi *b = new AliBalancePsi();
 194   b->SetHistNp(hP);
 195   b->SetHistNn(hN);
 196   b->SetHistNpn(hPN);
 197   b->SetHistNnp(hNP);
 198   b->SetHistNpp(hPP);
 199   b->SetHistNnn(hNN);
 200
 201   //balance function shuffling
 202   AliTHn *hPShuffled = NULL;
 203   AliTHn *hNShuffled = NULL;
 204   AliTHn *hPNShuffled = NULL;
 205   AliTHn *hNPShuffled = NULL;
 206   AliTHn *hPPShuffled = NULL;
 207   AliTHn *hNNShuffled = NULL;
 208   //listBFShuffled->ls();
 209   hPShuffled = (AliTHn*) listBFShuffled->FindObject("fHistP_shuffleV0M");
 210   hNShuffled = (AliTHn*) listBFShuffled->FindObject("fHistN_shuffleV0M");
 211   hPNShuffled = (AliTHn*) listBFShuffled->FindObject("fHistPN_shuffleV0M");
 212   hNPShuffled = (AliTHn*) listBFShuffled->FindObject("fHistNP_shuffleV0M");
 213   hPPShuffled = (AliTHn*) listBFShuffled->FindObject("fHistPP_shuffleV0M");
 214   hNNShuffled = (AliTHn*) listBFShuffled->FindObject("fHistNN_shuffleV0M");
 215
 216   AliBalancePsi *bShuffled = new AliBalancePsi();
 217   bShuffled->SetHistNp(hPShuffled);
 218   bShuffled->SetHistNn(hNShuffled);
 219   bShuffled->SetHistNpn(hPNShuffled);
 220   bShuffled->SetHistNnp(hNPShuffled);
 221   bShuffled->SetHistNpp(hPPShuffled);
 222   bShuffled->SetHistNnn(hNNShuffled);
 223
 224   //balance function mixing
 225   AliTHn *hPMixed = NULL;
 226   AliTHn *hNMixed = NULL;
 227   AliTHn *hPNMixed = NULL;
 228   AliTHn *hNPMixed = NULL;
 229   AliTHn *hPPMixed = NULL;
 230   AliTHn *hNNMixed = NULL;
 231   //listBFMixed->ls();
 232   hPMixed = (AliTHn*) listBFMixed->FindObject("fHistPV0M");
 233   hNMixed = (AliTHn*) listBFMixed->FindObject("fHistNV0M");
 234   hPNMixed = (AliTHn*) listBFMixed->FindObject("fHistPNV0M");
 235   hNPMixed = (AliTHn*) listBFMixed->FindObject("fHistNPV0M");
 236   hPPMixed = (AliTHn*) listBFMixed->FindObject("fHistPPV0M");
 237   hNNMixed = (AliTHn*) listBFMixed->FindObject("fHistNNV0M");
 238
 239   AliBalancePsi *bMixed = new AliBalancePsi();
 240   bMixed->SetHistNp(hPMixed);
 241   bMixed->SetHistNn(hNMixed);
 242   bMixed->SetHistNpn(hPNMixed);
 243   bMixed->SetHistNnp(hNPMixed);
 244   bMixed->SetHistNpp(hPPMixed);
 245   bMixed->SetHistNnn(hNNMixed);
 246
 247   TH1D *gHistBalanceFunction;
 248   TH1D *gHistBalanceFunctionShuffled;
 249   TH1D *gHistBalanceFunctionMixed;
 250   TH1D *gHistBalanceFunctionSubtracted;
 251   TString histoTitle, pngName;
 252   TLegend *legend;
 253
 254   histoTitle = "Centrality: ";
 255   histoTitle += centralityArray[gCentrality-1];
 256   histoTitle += "%";
 257   if((psiMin == -0.5)&&(psiMax == 0.5))
 258     histoTitle += " (-7.5^{o} < #phi - #Psi_{2} < 7.5^{o})";
 259   else if((psiMin == 0.5)&&(psiMax == 1.5))
 260     histoTitle += " (37.5^{o} < #phi - #Psi_{2} < 52.5^{o})";
 261   else if((psiMin == 1.5)&&(psiMax == 2.5))
 262     histoTitle += " (82.5^{o} < #phi - #Psi_{2} < 97.5^{o})";
 263   else
 264     histoTitle += " (0^{o} < #phi - #Psi_{2} < 180^{o})";
 265
 266   //Raw balance function
 267   gHistBalanceFunction = b->GetBalanceFunctionHistogram(0,gDeltaEtaDeltaPhi,psiMin,psiMax,ptTriggerMin,ptTriggerMax,ptAssociatedMin,ptAssociatedMax);
 268   gHistBalanceFunction->SetMarkerStyle(20);
 269   gHistBalanceFunction->SetTitle(histoTitle.Data());
 270   gHistBalanceFunction->GetYaxis()->SetTitleOffset(1.3);
 271   gHistBalanceFunction->SetName("gHistBalanceFunction");
 272
 273   //Shuffled balance function
 274   gHistBalanceFunctionShuffled = bShuffled->GetBalanceFunctionHistogram(0,gDeltaEtaDeltaPhi,psiMin,psiMax,ptTriggerMin,ptTriggerMax,ptAssociatedMin,ptAssociatedMax);
 275   gHistBalanceFunctionShuffled->SetMarkerStyle(24);
 276   gHistBalanceFunctionShuffled->SetName("gHistBalanceFunctionShuffled");
 277
 278   //Mixed balance function
 279   gHistBalanceFunctionMixed = bMixed->GetBalanceFunctionHistogram(0,gDeltaEtaDeltaPhi,psiMin,psiMax,ptTriggerMin,ptTriggerMax,ptAssociatedMin,ptAssociatedMax);
 280   gHistBalanceFunctionMixed->SetMarkerStyle(25);
 281   gHistBalanceFunctionMixed->SetName("gHistBalanceFunctionMixed");
 282
 283   //Subtracted balance function
 284   gHistBalanceFunctionSubtracted = dynamic_cast<TH1D *>(gHistBalanceFunction->Clone());
 285   gHistBalanceFunctionSubtracted->Add(gHistBalanceFunctionMixed,-1);
 286   gHistBalanceFunctionSubtracted->Rebin(gRebin);
 287   gHistBalanceFunctionSubtracted->SetMarkerStyle(20);
 288   gHistBalanceFunctionSubtracted->SetTitle(histoTitle.Data());
 289   gHistBalanceFunctionSubtracted->GetYaxis()->SetTitleOffset(1.3);
 290   gHistBalanceFunctionSubtracted->SetName("gHistBalanceFunctionSubtracted");
 291
 292   TCanvas *c1 = new TCanvas("c1","",0,0,600,500);
 293   c1->SetFillColor(10);
 294   c1->SetHighLightColor(10);
 295   c1->SetLeftMargin(0.15);
 296   gHistBalanceFunction->DrawCopy("E");
 297   gHistBalanceFunctionShuffled->DrawCopy("ESAME");
 298   gHistBalanceFunctionMixed->DrawCopy("ESAME");
 299
 300   legend = new TLegend(0.18,0.62,0.45,0.82,"","brNDC");
 301   legend->SetTextSize(0.045);
 302   legend->SetTextFont(42);
 303   legend->SetBorderSize(0);
 304   legend->SetFillStyle(0);
 305   legend->SetFillColor(10);
 306   legend->SetMargin(0.25);
 307   legend->SetShadowColor(10);
 308   legend->AddEntry(gHistBalanceFunction,"Data","lp");
 309   legend->AddEntry(gHistBalanceFunctionShuffled,"Shuffled data","lp");
 310   legend->AddEntry(gHistBalanceFunctionMixed,"Mixed data","lp");
 311   legend->Draw();
 312
 313   pngName = "BalanceFunctionDeltaEta.Centrality";
 314   pngName += centralityArray[gCentrality-1];
 315   pngName += ".Psi"; //pngName += psiMin; pngName += "To"; pngName += psiMax;
 316   pngName += ".png";
 317   c1->SaveAs(pngName.Data());
 318
 319   GetWeightedMean(gHistBalanceFunction);
 320   GetWeightedMean(gHistBalanceFunctionShuffled);
 321
 322   TString meanLatex, rmsLatex, skewnessLatex, kurtosisLatex;
 323   meanLatex = "#mu = ";
 324   meanLatex += Form("%.3f",gHistBalanceFunctionSubtracted->GetMean());
 325   meanLatex += " #pm ";
 326   meanLatex += Form("%.3f",gHistBalanceFunctionSubtracted->GetMeanError());
 327
 328   rmsLatex = "#sigma = ";
 329   rmsLatex += Form("%.3f",gHistBalanceFunctionSubtracted->GetRMS());
 330   rmsLatex += " #pm ";
 331   rmsLatex += Form("%.3f",gHistBalanceFunctionSubtracted->GetRMSError());
 332
 333   skewnessLatex = "S = ";
 334   skewnessLatex += Form("%.3f",gHistBalanceFunctionSubtracted->GetSkewness(1));
 335   skewnessLatex += " #pm ";
 336   skewnessLatex += Form("%.3f",gHistBalanceFunctionSubtracted->GetSkewness(11));
 337
 338   kurtosisLatex = "K = ";
 339   kurtosisLatex += Form("%.3f",gHistBalanceFunctionSubtracted->GetKurtosis(1));
 340   kurtosisLatex += " #pm ";
 341   kurtosisLatex += Form("%.3f",gHistBalanceFunctionSubtracted->GetKurtosis(11));
 342   Printf("Mean: %lf - Error: %lf",gHistBalanceFunctionSubtracted->GetMean(),gHistBalanceFunctionSubtracted->GetMeanError());
 343   Printf("RMS: %lf - Error: %lf",gHistBalanceFunctionSubtracted->GetRMS(),gHistBalanceFunctionSubtracted->GetRMSError());
 344   Printf("Skeweness: %lf - Error: %lf",gHistBalanceFunctionSubtracted->GetSkewness(1),gHistBalanceFunctionSubtracted->GetSkewness(11));
 345   Printf("Kurtosis: %lf - Error: %lf",gHistBalanceFunctionSubtracted->GetKurtosis(1),gHistBalanceFunctionSubtracted->GetKurtosis(11));
 346
 347   TCanvas *c2 = new TCanvas("c2","",600,0,600,500);
 348   c2->SetFillColor(10);
 349   c2->SetHighLightColor(10);
 350   c2->SetLeftMargin(0.15);
 351   gHistBalanceFunctionSubtracted->DrawCopy("E");
 352
 353   TLatex *latex = new TLatex();
 354   latex->SetNDC();
 355   latex->SetTextSize(0.035);
 356   latex->SetTextColor(1);
 357   latex->DrawLatex(0.64,0.85,meanLatex.Data());
 358   latex->DrawLatex(0.64,0.81,rmsLatex.Data());
 359   latex->DrawLatex(0.64,0.77,skewnessLatex.Data());
 360   latex->DrawLatex(0.64,0.73,kurtosisLatex.Data());
 361
 362   TString newFileName = "balanceFunction.Centrality";
 363   newFileName += gCentrality; newFileName += ".In";
 364   if(gDeltaEtaDeltaPhi == 1) newFileName += "DeltaEta.Psi";
 365   else if(gDeltaEtaDeltaPhi == 2) newFileName += "DeltaPhi.Psi";
 366   if((psiMin == -0.5)&&(psiMax == 0.5)) newFileName += "InPlane.Ptt";
 367   else if((psiMin == 0.5)&&(psiMax == 1.5)) newFileName += "Intermediate.Ptt";
 368   else if((psiMin == 1.5)&&(psiMax == 2.5)) newFileName += "OutOfPlane.Ptt";
 369   else if((psiMin == 2.5)&&(psiMax == 3.5)) newFileName += "Rest.PttFrom";
 370   else newFileName += "All.PttFrom";
 371   newFileName += Form("%.1f",ptTriggerMin); newFileName += "To";
 372   newFileName += Form("%.1f",ptTriggerMax); newFileName += "PtaFrom";
 373   newFileName += Form("%.1f",ptAssociatedMin); newFileName += "To";
 374   newFileName += Form("%.1f",ptAssociatedMax);
 375   newFileName += ".root";
 376
 377   TFile *fOutput = new TFile(newFileName.Data(),"recreate");
 378   fOutput->cd();
 379   gHistBalanceFunction->Write();
 380   gHistBalanceFunctionShuffled->Write();
 381   gHistBalanceFunctionMixed->Write();
 382   gHistBalanceFunctionSubtracted->Write();
 383   fOutput->Close();
 384 }
 385
 386 //____________________________________________________________________//
 387 void GetWeightedMean(TH1D *gHistBalance, Int_t fStartBin = 1) {
 388   //Prints the calculated width of the BF and its error
 389   Double_t gSumXi = 0.0, gSumBi = 0.0, gSumBiXi = 0.0;
 390   Double_t gSumBiXi2 = 0.0, gSumBi2Xi2 = 0.0;
 391   Double_t gSumDeltaBi2 = 0.0, gSumXi2DeltaBi2 = 0.0;
 392   Double_t deltaBalP2 = 0.0, integral = 0.0;
 393   Double_t deltaErrorNew = 0.0;
 394
 395   //Retrieve this variables from Histogram
 396   Int_t fNumberOfBins = gHistBalance->GetNbinsX();
 397   Double_t fP2Step    = gHistBalance->GetBinWidth(1); // assume equal binning!
 398
 399   cout<<"=================================================="<<endl;
 400   cout<<"RECALCULATION OF BF WIDTH (StartBin = "<<fStartBin<<")"<<endl;
 401   cout<<"HISTOGRAM has "<<fNumberOfBins<<" bins with bin size of "<<fP2Step<<endl;
 402   cout<<"=================================================="<<endl;
 403   for(Int_t i = 1; i <= fNumberOfBins; i++) {
 404     // this is to simulate |Delta eta| or |Delta phi|
 405     if(fNumberOfBins/2 - fStartBin + 1 < i && i < fNumberOfBins/2 + fStartBin ) continue;
 406
 407     cout<<"B: "<<gHistBalance->GetBinContent(i)<<"\t Error: "<<gHistBalance->GetBinError(i)<<"\t bin: "<<TMath::Abs(gHistBalance->GetBinCenter(i))<<endl;
 408
 409     gSumXi += TMath::Abs(gHistBalance->GetBinCenter(i)); // this is to simulate |Delta eta| or |Delta phi|
 410     gSumBi += gHistBalance->GetBinContent(i);
 411     gSumBiXi += gHistBalance->GetBinContent(i)*TMath::Abs(gHistBalance->GetBinCenter(i));
 412     gSumBiXi2 += gHistBalance->GetBinContent(i)*TMath::Power(TMath::Abs(gHistBalance->GetBinCenter(i)),2);
 413     gSumBi2Xi2 += TMath::Power(gHistBalance->GetBinContent(i),2)*TMath::Power(TMath::Abs(gHistBalance->GetBinCenter(i)),2);
 414     gSumDeltaBi2 +=  TMath::Power(gHistBalance->GetBinError(i),2);
 415     gSumXi2DeltaBi2 += TMath::Power(TMath::Abs(gHistBalance->GetBinCenter(i)),2) * TMath::Power(gHistBalance->GetBinError(i),2);
 416
 417     deltaBalP2 += fP2Step*TMath::Power(gHistBalance->GetBinError(i),2);
 418     integral += fP2Step*gHistBalance->GetBinContent(i);
 419   }
 420   for(Int_t i = fStartBin; i < fNumberOfBins; i++)
 421     deltaErrorNew += gHistBalance->GetBinError(i)*(TMath::Abs(gHistBalance->GetBinCenter(i))*gSumBi - gSumBiXi)/TMath::Power(gSumBi,2);
 422
 423   Double_t integralError = TMath::Sqrt(deltaBalP2);
 424
 425   Double_t delta = gSumBiXi / gSumBi;
 426   Double_t deltaError = (gSumBiXi / gSumBi) * TMath::Sqrt(TMath::Power((TMath::Sqrt(gSumXi2DeltaBi2)/gSumBiXi),2) + TMath::Power((gSumDeltaBi2/gSumBi),2) );
 427   cout<<"=================================================="<<endl;
 428   cout<<"Width: "<<delta<<"\t Error: "<<deltaError<<endl;
 429   cout<<"New error: "<<deltaErrorNew<<endl;
 430   cout<<"Integral: "<<integral<<"\t Error: "<<integralError<<endl;
 431   cout<<"=================================================="<<endl;
 432   cout<<endl;
 433 }
 434
 435 //______________________________________________________//
 436 void drawBFPsi(const char* lhcPeriod = "LHC10h",
 437                Int_t gCentrality = 1,
 438                Int_t gDeltaEtaDeltaPhi = 2,
 439                Double_t psiMin = -0.5, Double_t psiMax = 0.5,
 440                Double_t ptTriggerMin = -1.,
 441                Double_t ptTriggerMax = -1.,
 442                Double_t ptAssociatedMin = -1.,
 443                Double_t ptAssociatedMax = -1.) {
 444   //Macro that draws the BF distributions for each centrality bin
 445   //for reaction plane dependent analysis
 446   //Author: Panos.Christakoglou@nikhef.nl
 447   gROOT->LoadMacro("~/SetPlotStyle.C");
 448   SetPlotStyle();
 449
 450   //Get the input file
 451   TString filename = lhcPeriod; filename +="/PttFrom";
 452   filename += ptTriggerMin; filename += "To";
 453   filename += ptTriggerMax; filename += "PtaFrom";
 454   filename += ptAssociatedMin; filename += "To";
 455   filename += ptAssociatedMax; filename += "/balanceFunction.Centrality";
 456   filename += gCentrality; filename += ".In";
 457   if(gDeltaEtaDeltaPhi == 1) filename += "DeltaEta.Psi";
 458   else if(gDeltaEtaDeltaPhi == 2) filename += "DeltaPhi.Psi";
 459   if((psiMin == -0.5)&&(psiMax == 0.5)) filename += "InPlane.Ptt";
 460   else if((psiMin == 0.5)&&(psiMax == 1.5)) filename += "Intermediate.Ptt";
 461   else if((psiMin == 1.5)&&(psiMax == 2.5)) filename += "OutOfPlane.Ptt";
 462   else if((psiMin == 2.5)&&(psiMax == 3.5)) filename += "Rest.Ptt";
 463   else filename += "All.PttFrom";
 464   filename += ptTriggerMin; filename += "To";
 465   filename += ptTriggerMax; filename += ".PtaFrom";
 466   filename += ptAssociatedMin; filename += "To";
 467   filename += ptAssociatedMax;  filename += ".root";
 468
 469   //Open the file
 470   TFile *f = TFile::Open(filename.Data());
 471   if((!f)||(!f->IsOpen())) {
 472     Printf("The file %s is not found. Aborting...",filename);
 473     return listBF;
 474   }
 475   //f->ls();
 476
 477   //Raw balance function
 478   TH1D *gHistBalanceFunction = dynamic_cast<TH1D *>(f->Get("gHistBalanceFunction"));
 479   gHistBalanceFunction->SetStats(kFALSE);
 480   gHistBalanceFunction->SetMarkerStyle(20);
 481   gHistBalanceFunction->GetYaxis()->SetTitleOffset(1.3);
 482   if(gDeltaEtaDeltaPhi == 2) {
 483     gHistBalanceFunction->GetYaxis()->SetTitle("B(#Delta #varphi)");
 484     gHistBalanceFunction->GetXaxis()->SetTitle("#Delta #varphi (deg.)");
 485   }
 486
 487   //Shuffled balance function
 488   TH1D *gHistBalanceFunctionShuffled = dynamic_cast<TH1D *>(f->Get("gHistBalanceFunctionShuffled"));
 489   gHistBalanceFunction->SetStats(kFALSE);
 490   gHistBalanceFunctionShuffled->SetMarkerStyle(24);
 491
 492   //Mixed balance function
 493   TH1D *gHistBalanceFunctionMixed = dynamic_cast<TH1D *>(f->Get("gHistBalanceFunctionMixed"));
 494   gHistBalanceFunction->SetStats(kFALSE);
 495   gHistBalanceFunctionMixed->SetMarkerStyle(25);
 496
 497   //Subtracted balance function
 498   TH1D *gHistBalanceFunctionSubtracted = dynamic_cast<TH1D *>(f->Get("gHistBalanceFunctionSubtracted"));
 499   gHistBalanceFunctionSubtracted->SetStats(kFALSE);
 500   gHistBalanceFunctionSubtracted->SetMarkerStyle(20);
 501   gHistBalanceFunctionSubtracted->GetYaxis()->SetTitleOffset(1.3);
 502   if(gDeltaEtaDeltaPhi == 2) {
 503     gHistBalanceFunctionSubtracted->GetYaxis()->SetTitle("B(#Delta #varphi)");
 504     gHistBalanceFunctionSubtracted->GetXaxis()->SetTitle("#Delta #varphi (deg.)");
 505   }
 506
 507   TString pngName;
 508   TLegend *legend;
 509
 510   TString centralityLatex = "Centrality: ";
 511   centralityLatex += centralityArray[gCentrality-1];
 512   centralityLatex += "%";
 513
 514   TString psiLatex;
 515   if((psiMin == -0.5)&&(psiMax == 0.5))
 516     psiLatex = " -7.5^{o} < #varphi - #Psi_{2} < 7.5^{o}";
 517   else if((psiMin == 0.5)&&(psiMax == 1.5))
 518     psiLatex = " 37.5^{o} < #varphi - #Psi_{2} < 52.5^{o}";
 519   else if((psiMin == 1.5)&&(psiMax == 2.5))
 520     psiLatex = " 82.5^{o} < #varphi - #Psi_{2} < 97.5^{o}";
 521   else
 522     psiLatex = " 0^{o} < #varphi - #Psi_{2} < 180^{o}";
 523
 524   TString pttLatex = Form("%.1f",ptTriggerMin);
 525   pttLatex += " < p_{T}^{t} < "; pttLatex += Form("%.1f",ptTriggerMax);
 526   pttLatex += " GeV/c";
 527
 528   TString ptaLatex = Form("%.1f",ptAssociatedMin);
 529   ptaLatex += " < p_{T}^{a} < "; ptaLatex += Form("%.1f",ptAssociatedMax);
 530   ptaLatex += " GeV/c";
 531
 532   //Draw the results
 533   TCanvas *c1 = new TCanvas("c1","",0,0,600,500);
 534   c1->SetFillColor(10); c1->SetHighLightColor(10);
 535   c1->SetLeftMargin(0.17); c1->SetTopMargin(0.05);
 536   gHistBalanceFunction->SetTitle("");
 537   gHistBalanceFunction->GetYaxis()->SetTitleOffset(1.4);
 538   gHistBalanceFunction->GetYaxis()->SetNdivisions(10);
 539   gHistBalanceFunction->GetXaxis()->SetNdivisions(10);
 540   gHistBalanceFunction->DrawCopy("E");
 541   gHistBalanceFunctionShuffled->DrawCopy("ESAME");
 542   gHistBalanceFunctionMixed->DrawCopy("ESAME");
 543
 544   legend = new TLegend(0.2,0.72,0.45,0.92,"","brNDC");
 545   legend->SetTextSize(0.05);
 546   legend->SetTextFont(42);
 547   legend->SetBorderSize(0);
 548   legend->SetFillStyle(0);
 549   legend->SetFillColor(10);
 550   legend->SetMargin(0.25);
 551   legend->SetShadowColor(10);
 552   legend->AddEntry(gHistBalanceFunction,"Data","lp");
 553   legend->AddEntry(gHistBalanceFunctionShuffled,"Shuffled data","lp");
 554   legend->AddEntry(gHistBalanceFunctionMixed,"Mixed data","lp");
 555   legend->Draw();
 556
 557   TLatex *latexInfo1 = new TLatex();
 558   latexInfo1->SetNDC();
 559   latexInfo1->SetTextSize(0.04);
 560   latexInfo1->SetTextColor(1);
 561   latexInfo1->DrawLatex(0.58,0.88,centralityLatex.Data());
 562   latexInfo1->DrawLatex(0.58,0.82,psiLatex.Data());
 563   latexInfo1->DrawLatex(0.58,0.76,pttLatex.Data());
 564   latexInfo1->DrawLatex(0.58,0.70,ptaLatex.Data());
 565
 566   //pngName = "BalanceFunctionDeltaEta.Centrality";
 567   //pngName += centralityArray[gCentrality-1];
 568   //pngName += ".Psi"; //pngName += psiMin; pngName += "To"; pngName += psiMax;
 569   //pngName += ".png";
 570   //c1->SaveAs(pngName.Data());
 571
 572   TCanvas *c2 = new TCanvas("c2","",600,0,600,500);
 573   c2->SetFillColor(10); c2->SetHighLightColor(10);
 574   c2->SetLeftMargin(0.17); c2->SetTopMargin(0.05);
 575   gHistBalanceFunctionSubtracted->SetTitle("");
 576   gHistBalanceFunctionSubtracted->GetYaxis()->SetTitleOffset(1.4);
 577   gHistBalanceFunctionSubtracted->GetYaxis()->SetNdivisions(10);
 578   gHistBalanceFunctionSubtracted->GetXaxis()->SetNdivisions(10);
 579   gHistBalanceFunctionSubtracted->DrawCopy("E");
 580
 581   TString meanLatex, rmsLatex, skewnessLatex, kurtosisLatex;
 582   meanLatex = "#mu = ";
 583   meanLatex += Form("%.3f",gHistBalanceFunctionSubtracted->GetMean());
 584   meanLatex += " #pm ";
 585   meanLatex += Form("%.3f",gHistBalanceFunctionSubtracted->GetMeanError());
 586
 587   rmsLatex = "#sigma = ";
 588   rmsLatex += Form("%.3f",gHistBalanceFunctionSubtracted->GetRMS());
 589   rmsLatex += " #pm ";
 590   rmsLatex += Form("%.3f",gHistBalanceFunctionSubtracted->GetRMSError());
 591
 592   skewnessLatex = "S = ";
 593   skewnessLatex += Form("%.3f",gHistBalanceFunctionSubtracted->GetSkewness(1));
 594   skewnessLatex += " #pm ";
 595   skewnessLatex += Form("%.3f",gHistBalanceFunctionSubtracted->GetSkewness(11));
 596
 597   kurtosisLatex = "K = ";
 598   kurtosisLatex += Form("%.3f",gHistBalanceFunctionSubtracted->GetKurtosis(1));
 599   kurtosisLatex += " #pm ";
 600   kurtosisLatex += Form("%.3f",gHistBalanceFunctionSubtracted->GetKurtosis(11));
 601   Printf("Mean: %lf - Error: %lf",gHistBalanceFunctionSubtracted->GetMean(),gHistBalanceFunctionSubtracted->GetMeanError());
 602   Printf("RMS: %lf - Error: %lf",gHistBalanceFunctionSubtracted->GetRMS(),gHistBalanceFunctionSubtracted->GetRMSError());
 603   Printf("Skeweness: %lf - Error: %lf",gHistBalanceFunctionSubtracted->GetSkewness(1),gHistBalanceFunctionSubtracted->GetSkewness(11));
 604   Printf("Kurtosis: %lf - Error: %lf",gHistBalanceFunctionSubtracted->GetKurtosis(1),gHistBalanceFunctionSubtracted->GetKurtosis(11));
 605
 606   latexInfo1->DrawLatex(0.18,0.88,centralityLatex.Data());
 607   latexInfo1->DrawLatex(0.18,0.82,psiLatex.Data());
 608   latexInfo1->DrawLatex(0.18,0.76,pttLatex.Data());
 609   latexInfo1->DrawLatex(0.18,0.70,ptaLatex.Data());
 610
 611   TLatex *latexResults = new TLatex();
 612   latexResults->SetNDC();
 613   latexResults->SetTextSize(0.04);
 614   latexResults->SetTextColor(1);
 615   latexResults->DrawLatex(0.6,0.88,meanLatex.Data());
 616   latexResults->DrawLatex(0.6,0.82,rmsLatex.Data());
 617   latexResults->DrawLatex(0.6,0.76,skewnessLatex.Data());
 618   latexResults->DrawLatex(0.6,0.70,kurtosisLatex.Data());
 619
 620 }