PWGPP/macros/PlotITSTrackingEff.C

   1 void PlotITSTrackingEff(TString filename="ITS.Performance.root",
   2                         TString part="Pi",
   3                         TString partforgraph="pions",
   4                         Int_t pdgcode=211,
   5                         Bool_t useAbsPdg=kTRUE,
   6                         Bool_t nofakes=kTRUE,
   7                         Bool_t askITSrefit=kTRUE,
   8                         Int_t minTPCcls=1)
   9 {
  10   //
  11   // Macro to plot ITS tracking efficiency from ITS.Performance.root
  12   // A. Dainese
  13   //
  14
  15   //Open File
  16   if(gSystem->AccessPathName(filename.Data())) {
  17     printf("file not found!\n");
  18     return;
  19   }
  20   TFile *file= TFile::Open(filename.Data());
  21   cout<<"Open File "<<filename<<endl;
  22
  23   TList *list = (TList*)file->Get("cOutputITS");
  24   TNtuple *ntTracks = (TNtuple*)list->FindObject("fNtupleESDTracks");
  25
  26   //Getting and Addressing  NTuples
  27   Float_t pt,ptmes,eta,phi,pdg,d0True,d0TV,d0zTV,sigmad0zTV,d0All,d0Oth,sigmad0Oth,ITSflag,sigmad0TV,sigmad0All;
  28   ntTracks->SetBranchAddress("pt",&ptmes);
  29   ntTracks->SetBranchAddress("ptMC",&pt);
  30   ntTracks->SetBranchAddress("eta",&eta);
  31   ntTracks->SetBranchAddress("phi",&phi);
  32   ntTracks->SetBranchAddress("pdgMC",&pdg);
  33   ntTracks->SetBranchAddress("d0MC",&d0True);
  34   ntTracks->SetBranchAddress("d0MCv",&d0TV);
  35   ntTracks->SetBranchAddress("z0MCv",&d0zTV);
  36   ntTracks->SetBranchAddress("sigmad0MCv",&sigmad0TV);
  37   ntTracks->SetBranchAddress("sigmaz0MCv",&sigmad0zTV);
  38   ntTracks->SetBranchAddress("d0",&d0All);
  39   ntTracks->SetBranchAddress("sigmad0",&sigmad0All);
  40   ntTracks->SetBranchAddress("ITSflag",&ITSflag);
  41
  42
  43   TString titlegraph1,titlefile;
  44   Int_t  ntracks,nITSsel,nfakes=0;
  45   const Int_t nPtBins=10;
  46   Double_t meanpt[nPtBins];
  47   ///////////////////////////////////////////////////////////////////////////
  48   Double_t nprimgen[nPtBins];
  49   Float_t nfiles=48.; if(!useAbsPdg) nfiles*=0.5;
  50   for(Int_t j=0; j<nPtBins; j++) nprimgen[j]=nfiles*50.;// *18.;
  51   // the factor 50 is for the cut |eta|<0.9
  52   // the factor 18 is for the cut 0.9<|eta|<1.4
  53   ///////////////////////////////////////////////////////////////////////////
  54   Double_t n6ITSclspart[nPtBins],n5ITSclspart[nPtBins],n4ITSclspart[nPtBins],n3ITSclspart[nPtBins],n2ITSclspart[nPtBins],n1ITSclspart[nPtBins];
  55   Double_t n6ITSclsparttoTPC[nPtBins],n5ITSclsparttoTPC[nPtBins],n4ITSclsparttoTPC[nPtBins],n3ITSclsparttoTPC[nPtBins],n2ITSclsparttoTPC[nPtBins];
  56   Double_t nSPD[nPtBins],n2ITS[nPtBins],n3ITS[nPtBins],n4ITS[nPtBins],n5ITS[nPtBins],n6ITS[nPtBins],n456ITS[nPtBins],ptbinning[2*nPtBins],ntottr[nPtBins];
  57   Double_t nTPCnorm6[nPtBins],n1ITSnorm6[nPtBins],n2ITSnorm6[nPtBins],n3ITSnorm6[nPtBins],n4ITSnorm6[nPtBins],n5ITSnorm6[nPtBins],n6ITSnorm6[nPtBins],n456ITSnorm6[nPtBins],n4ITSnorm5[nPtBins],n5ITSnorm5[nPtBins],n3ITSnorm4[nPtBins],n4ITSnorm4[nPtBins],n2ITSnorm3[nPtBins],n3ITSnorm3[nPtBins],n1ITSnorm2[nPtBins],n2ITSnorm2[nPtBins];
  58   Double_t nSPDtoGen[nPtBins],n2ITStoGen[nPtBins],n3ITStoGen[nPtBins],n4ITStoGen[nPtBins],n5ITStoGen[nPtBins],n6ITStoGen[nPtBins],n456ITStoGen[nPtBins],nTPCtoGen[nPtBins];
  59   Double_t nTPCto6cls[nPtBins],n1ITSto6cls[nPtBins],n2ITSto6cls[nPtBins],n3ITSto6cls[nPtBins],n4ITSto6cls[nPtBins],n5ITSto6cls[nPtBins],n4ITSto5cls[nPtBins],n5ITSto5cls[nPtBins],n3ITSto4cls[nPtBins],n4ITSto4cls[nPtBins],n2ITSto3cls[nPtBins],n3ITSto3cls[nPtBins],n1ITSto2cls[nPtBins],n2ITSto2cls[nPtBins],n6ITSto6cls[nPtBins],n456ITSto6cls[nPtBins];
  60   Double_t n330[nPtBins],n331[nPtBins],n332[nPtBins],n313[nPtBins],n323[nPtBins],n133[nPtBins],n233[nPtBins],nOTHERS[nPtBins],nSSD[nPtBins],nSDD[nPtBins];
  61
  62   Double_t sigmnSPD[nPtBins],sigmn4ITS[nPtBins],sigmn5ITS[nPtBins],sigmn6ITS[nPtBins],sigmn456ITS[nPtBins],ptbinning[2*nPtBins],ntottr[nPtBins];
  63   Double_t sigmnSPDtoGen[nPtBins],sigmn2ITStoGen[nPtBins],sigmn3ITStoGen[nPtBins],sigmn4ITStoGen[nPtBins],sigmn5ITStoGen[nPtBins],sigmn6ITStoGen[nPtBins],sigmn456ITStoGen[nPtBins],sigmnTPCtoGen[nPtBins];
  64   Double_t sigmnTPCto6cls[nPtBins],sigmn1ITSto6cls[nPtBins],sigmn2ITSto6cls[nPtBins],sigmn3ITSto6cls[nPtBins],sigmn4ITSto6cls[nPtBins],sigmn5ITSto6cls[nPtBins],sigmn6ITSto6cls[nPtBins],sigmn456ITSto6cls[nPtBins],sigmn4ITSto5cls[nPtBins],sigmn5ITSto5cls[nPtBins],sigmn3ITSto4cls[nPtBins],sigmn4ITSto4cls[nPtBins],sigmn2ITSto3cls[nPtBins],sigmn3ITSto3cls[nPtBins],sigmn1ITSto2cls[nPtBins],sigmn2ITSto2cls[nPtBins];
  65   Double_t sigmn330[nPtBins],sigmn331[nPtBins],sigmn332[nPtBins],sigmn313[nPtBins],sigmn323[nPtBins],sigmn133[nPtBins],sigmn233[nPtBins],sigmnOTHERS[nPtBins],sigmnSSD[nPtBins],sigmnSDD[nPtBins];
  66   Double_t sigmn6ITSclsparttoTPC[nPtBins],sigmn5ITSclsparttoTPC[nPtBins],sigmn4ITSclsparttoTPC[nPtBins],sigmn3ITSclsparttoTPC[nPtBins],sigmn2ITSclsparttoTPC[nPtBins];
  67
  68   Double_t errx[nPtBins];
  69
  70   TGraphErrors *gr4,*gr5,*gr6,*gr456,*grSPDtoGen,*gr2toGen,*gr3toGen,*gr4toGen,*gr5toGen,*gr6toGen,*gr456toGen,*grTPCtoGen,*grTPCto6cls,*gr1to6cls,*gr2to6cls,*gr3to6cls,*gr4to6cls,*gr5to6cls,*gr6to6cls,*gr456to6cls,*gr4to5cls,*gr5to5cls,*gr3to4cls,*gr4to4cls,*gr2to3cls,*gr3to3cls,*gr1to2cls,*gr2to2cls,*gr330,*gr331,*gr332,*gr313,*gr323,*gr133,*gr233,*grOTHERS,*grSSD,*grSPD,*gr6clspart,*gr5clspart,*gr4clspart,*gr2ITSclsparttoTPC,*gr3ITSclsparttoTPC,*gr4ITSclsparttoTPC,*gr5ITSclsparttoTPC,*gr6ITSclsparttoTPC;
  71
  72   for(Int_t j=0;j<nPtBins;j++) {
  73     n1ITSclspart[j]=0.;
  74     n2ITSclspart[j]=0.;
  75     n3ITSclspart[j]=0.;
  76     n4ITSclspart[j]=0.;
  77     n5ITSclspart[j]=0.;
  78     n6ITSclspart[j]=0.;
  79     nSPD[j]=0.;
  80     n2ITS[j]=0.;
  81     n3ITS[j]=0.;
  82     n4ITS[j]=0.;
  83     n5ITS[j]=0.;
  84     n6ITS[j]=0.;
  85     n456ITS[j]=0.;
  86     n1ITSnorm6[j]=0.;
  87     n2ITSnorm6[j]=0.;
  88     n3ITSnorm6[j]=0.;
  89     n4ITSnorm6[j]=0.;
  90     n5ITSnorm6[j]=0.;
  91     n6ITSnorm6[j]=0.;
  92     n456ITSnorm6[j]=0.;
  93     n4ITSnorm5[j]=0.;
  94     n5ITSnorm5[j]=0.;
  95     n3ITSnorm4[j]=0.;
  96     n4ITSnorm4[j]=0.;
  97     n2ITSnorm3[j]=0.;
  98     n3ITSnorm3[j]=0.;
  99     n1ITSnorm2[j]=0.;
 100     n2ITSnorm2[j]=0.;
 101     nSPDtoGen[j]=0.;
 102     n2ITStoGen[j]=0.;
 103     n3ITStoGen[j]=0.;
 104     n4ITStoGen[j]=0.;
 105     n5ITStoGen[j]=0.;
 106     n6ITStoGen[j]=0.;
 107     n456ITStoGen[j]=0.;
 108     nTPCtoGen[j]=0.;
 109     n1ITSto6cls[j]=0.;
 110     n2ITSto6cls[j]=0.;
 111     n3ITSto6cls[j]=0.;
 112     n4ITSto6cls[j]=0.;
 113     n5ITSto6cls[j]=0.;
 114     n6ITSto6cls[j]=0.;
 115     n4ITSto5cls[j]=0.;
 116     n5ITSto5cls[j]=0.;
 117     n3ITSto4cls[j]=0.;
 118     n4ITSto4cls[j]=0.;
 119     n2ITSto3cls[j]=0.;
 120     n3ITSto3cls[j]=0.;
 121     n1ITSto2cls[j]=0.;
 122     n2ITSto2cls[j]=0.;
 123     n456ITSto6cls[j]=0.;
 124     nTPCto6cls[j]=0.;
 125     n330[j]=0;
 126     n331[j]=0;
 127     n332[j]=0;
 128     n313[j]=0;
 129     n323[j]=0;
 130     n133[j]=0;
 131     n233[j]=0;
 132     nOTHERS[j]=0;
 133     nSDD[j]=0.;
 134     nSSD[j]=0.;
 135     errx[j]=0.;
 136     ntottr[j]=0;
 137     meanpt[j]=0;
 138   }
 139
 140   ptbinning[0]=0.15;
 141   ptbinning[1]=0.35;
 142   ptbinning[2]=0.4;
 143   ptbinning[3]=0.6;
 144   ptbinning[4]=0.7;
 145   ptbinning[5]=0.85;
 146   ptbinning[6]=0.85;
 147   ptbinning[7]=1.2;
 148   ptbinning[8]=1.7;
 149   ptbinning[9]=2.3;
 150   ptbinning[10]=3.6;
 151   ptbinning[11]=4.4;
 152   ptbinning[12]=6.5;
 153   ptbinning[13]=7.5;
 154   ptbinning[14]=8.5;
 155   ptbinning[15]=11.5;
 156   ptbinning[16]=18.5;
 157   ptbinning[17]=21.5;
 158   ptbinning[18]=27.5;
 159   ptbinning[19]=32.5;
 160
 161
 162
 163
 164
 165   // ------------ Starting Loop on Tracks ----------
 166   ntracks=ntTracks->GetEntries();
 167   printf("number of Tracks %d \n",ntracks);
 168
 169   for (Int_t j=0;j<ntracks;j++) {
 170     if(j%10000==0) printf("Reading track %d\n",j);
 171     ntTracks->GetEvent(j);
 172     if(TMath::Abs(d0True)>1.) continue; // only primaries
 173     if(TMath::Abs(eta)>0.9) continue;   // only tracks with |etapart|<0.9
 174     //if(TMath::Abs(eta)<0.9 || TMath::Abs(eta)>1.4) continue;   // only tracks with 0.9<|etapart|<1.4
 175     Float_t theta = 2.*TMath::ATan(TMath::Exp(-eta));
 176     //if(TMath::Abs(TMath::Abs(phi)-0.5*TMath::Pi())>0.5 || TMath::Abs(theta-0.5*TMath::Pi())>0.5) continue;
 177     //if(phi<(.5+0.25)*TMath::Pi() || phi>(.5+0.45)*TMath::Pi()) continue;
 178     if(ITSflag<0) nfakes++;
 179     //printf("  %d\n",ITSflag);
 180     if(nofakes && ITSflag<0) continue;        // reject fakes
 181     ITSflag=TMath::Abs(ITSflag);
 182     //printf("%d\n",ITSflag);
 183     Int_t ITSflagorig=ITSflag;
 184     Int_t nTPCcls =       (Int_t)(ITSflag/100000);
 185     ITSflag -= nTPCcls*100000;
 186     Int_t nITSclspart =   (Int_t)(ITSflag/10000);
 187     ITSflag -= nITSclspart*10000;
 188     //printf("%d\n",ITSflag);
 189     Int_t nITSclsassign = (Int_t)(ITSflag/1000);
 190     ITSflag -= nITSclsassign*1000;
 191     //printf("%d\n",ITSflag);
 192     //printf("%d\n",ITSflag);
 193     nITSsel=ITSnCluster(ITSflag);
 194
 195
 196     if(nTPCcls<=minTPCcls) continue;
 197
 198     if(useAbsPdg) pdg=TMath::Abs(pdg);
 199     if(pdg!=pdgcode) continue;
 200
 201     for (Int_t k=0; k<nPtBins; k++) {
 202       if(ptbinning[2*k]<pt&&pt<ptbinning[2*k+1]) {
 203         //if(nITSclspart==3) {nITSclspart=5;}else{nITSclspart=-1;}
 204         if(ptmes>0.) {
 205           ntottr[k]+=1.;
 206           meanpt[k]+=pt;
 207           if(nITSclspart==6) n6ITSclspart[k]+=1.;
 208           if(nITSclspart==5) n5ITSclspart[k]+=1.;
 209           if(nITSclspart==4) n4ITSclspart[k]+=1.;
 210           if(nITSclspart==3) n3ITSclspart[k]+=1.;
 211           if(nITSclspart==2) n2ITSclspart[k]+=1.;
 212         }
 213         if(askITSrefit && sigmad0TV<0.) continue;
 214         if(nITSclsassign!=nITSsel) cout<<" ERROR  "<<ITSflag<<"  "<<nITSclsassign<<"  "<<nITSsel<<"   "<<ITSflagorig<<endl;
 215
 216         if(nITSsel==2) n2ITS[k]+=1.;
 217         if(nITSsel==3) n3ITS[k]+=1.;
 218         if(nITSsel==4) n4ITS[k]+=1.;
 219         if(nITSsel==5) n5ITS[k]+=1.;
 220         if(nITSsel==6) n6ITS[k]+=1.;
 221
 222         if(((Int_t)ITSflag)%10==3) nSPD[k]+=1.; // both SPD
 223
 224         if(nITSclspart==6) {
 225           if(nITSsel==1) n1ITSnorm6[k]+=1.;
 226           if(nITSsel==2) n2ITSnorm6[k]+=1.;
 227           if(nITSsel==3) n3ITSnorm6[k]+=1.;
 228           if(nITSsel==4) n4ITSnorm6[k]+=1.;
 229           if(nITSsel==5) n5ITSnorm6[k]+=1.;
 230           if(nITSsel==6) n6ITSnorm6[k]+=1.;
 231         }
 232         if(nITSclspart==5) {
 233           if(nITSsel==4) n4ITSnorm5[k]+=1.;
 234           if(nITSsel==5) n5ITSnorm5[k]+=1.;
 235         }
 236         if(nITSclspart==4) {
 237           if(nITSsel==3) n3ITSnorm4[k]+=1.;
 238           if(nITSsel==4) n4ITSnorm4[k]+=1.;
 239         }
 240         if(nITSclspart==3) {
 241           if(nITSsel==2) n2ITSnorm3[k]+=1.;
 242           if(nITSsel==3) n3ITSnorm3[k]+=1.;
 243         }
 244         if(nITSclspart==2) {
 245           if(nITSsel==1) n1ITSnorm2[k]+=1.;
 246           if(nITSsel==2) n2ITSnorm2[k]+=1.;
 247         }
 248
 249         if(k==nPtBins-1 && nITSclspart==5 && nITSsel==4) printf("nClustersPart %d nClustersTrack %d Map %d\n",nITSclspart,nITSsel,ITSflag);
 250
 251         //5 points array
 252         if(nITSclspart==5) {
 253           if(ITSflag==332) {
 254             n332[k]+=1.;
 255           } else if(ITSflag==331) {
 256             n331[k]+=1.;
 257           } else if(ITSflag==323) {
 258             n323[k]+=1.;
 259           } else if(ITSflag==313) {
 260             n313[k]+=1.;
 261           } else if(ITSflag==233) {
 262             n233[k]+=1.;
 263           } else if(ITSflag==133) {
 264             n133[k]+=1.;
 265           }
 266         }
 267         if(ITSflag==330) {
 268           n330[k]+=1.;
 269         } else if(ITSflag!=333) {
 270           nOTHERS[k]+=1.;
 271         }
 272
 273       }
 274     }
 275
 276   } //end loop on tracks
 277
 278   printf("%d  %d  %d  %d  %d\n",n2ITS[9],n3ITS[9],n4ITS[9],n5ITS[9],n6ITS[9]);
 279
 280   for(Int_t k=0;k<nPtBins;k++) {
 281     if(n6ITSclspart[k]<1) n6ITSclspart[k]=1.;
 282     if(n5ITSclspart[k]<1) n5ITSclspart[k]=1.;
 283     if(n4ITSclspart[k]<1) n4ITSclspart[k]=1.;
 284     if(n3ITSclspart[k]<1) n3ITSclspart[k]=1.;
 285     if(n2ITSclspart[k]<1) n2ITSclspart[k]=1.;
 286     if(n1ITSclspart[k]<1) n1ITSclspart[k]=1.;
 287
 288     //cout<<n1ITSclspart[k]<<" "<<n2ITSclspart[k]<<" "<<n3ITSclspart[k]<<" "<<n4ITSclspart[k]<<" "<<n5ITSclspart[k]<<" "<<n6ITSclspart[k]<<endl;
 289
 290     if(ntottr[k]!=0) {
 291       meanpt[k]=meanpt[k]/ntottr[k];
 292
 293       nSPDtoGen[k]=nSPD[k]/nprimgen[k];
 294       n2ITStoGen[k]=n2ITS[k]/nprimgen[k];
 295       n3ITStoGen[k]=n3ITS[k]/nprimgen[k];
 296       n4ITStoGen[k]=n4ITS[k]/nprimgen[k];
 297       n5ITStoGen[k]=n5ITS[k]/nprimgen[k];
 298       n6ITStoGen[k]=n6ITS[k]/nprimgen[k];
 299       nTPCtoGen[k]=ntottr[k]/nprimgen[k];
 300       n456ITStoGen[k]=n4ITStoGen[k]+n5ITStoGen[k]+n6ITStoGen[k];
 301
 302       n1ITSto6cls[k]=n1ITSnorm6[k]/n6ITSclspart[k];
 303       n2ITSto6cls[k]=n2ITSnorm6[k]/n6ITSclspart[k];
 304       n3ITSto6cls[k]=n3ITSnorm6[k]/n6ITSclspart[k];
 305       n4ITSto6cls[k]=n4ITSnorm6[k]/n6ITSclspart[k];
 306       n5ITSto6cls[k]=n5ITSnorm6[k]/n6ITSclspart[k];
 307       n6ITSto6cls[k]=n6ITSnorm6[k]/n6ITSclspart[k];
 308       n4ITSto5cls[k]=n4ITSnorm5[k]/n5ITSclspart[k];
 309       n5ITSto5cls[k]=n5ITSnorm5[k]/n5ITSclspart[k];
 310       n3ITSto4cls[k]=n3ITSnorm4[k]/n4ITSclspart[k];
 311       n4ITSto4cls[k]=n4ITSnorm4[k]/n4ITSclspart[k];
 312       n2ITSto3cls[k]=n2ITSnorm3[k]/n3ITSclspart[k];
 313       n3ITSto3cls[k]=n3ITSnorm3[k]/n3ITSclspart[k];
 314       n1ITSto2cls[k]=n1ITSnorm2[k]/n2ITSclspart[k];
 315       n2ITSto2cls[k]=n2ITSnorm2[k]/n2ITSclspart[k];
 316
 317       nTPCto6cls[k]=ntottr[k]/n6ITSclspart[k];
 318       n456ITSto6cls[k]=n4ITSto6cls[k]+n5ITSto6cls[k]+n6ITSto6cls[k];
 319       //cout<<meanpt[k]<<"  "<<n6ITSnorm6[k]<<"  "<<n6ITSclspart[k]<<endl;
 320
 321       n6ITSclsparttoTPC[k]=n6ITSclspart[k]/ntottr[k];
 322       n5ITSclsparttoTPC[k]=n5ITSclspart[k]/ntottr[k];
 323       n4ITSclsparttoTPC[k]=n4ITSclspart[k]/ntottr[k];
 324       n3ITSclsparttoTPC[k]=n3ITSclspart[k]/ntottr[k];
 325       n2ITSclsparttoTPC[k]=n2ITSclspart[k]/ntottr[k];
 326
 327       n4ITS[k]=n4ITS[k]/ntottr[k];
 328       n5ITS[k]=n5ITS[k]/ntottr[k];
 329       n6ITS[k]=n6ITS[k]/ntottr[k];
 330
 331       n330[k]=n330[k]/ntottr[k];
 332       n331[k]=n331[k]/n5ITSclspart[k];
 333       n332[k]=n332[k]/n5ITSclspart[k];
 334       n313[k]=n313[k]/n5ITSclspart[k];
 335       n323[k]=n323[k]/n5ITSclspart[k];
 336       n133[k]=n133[k]/n5ITSclspart[k];
 337       n233[k]=n233[k]/n5ITSclspart[k];
 338       nOTHERS[k]=nOTHERS[k]/ntottr[k];
 339       n456ITS[k]=n4ITS[k]+n5ITS[k]+n6ITS[k];
 340       nSSD[k]=n133[k]+n233[k];
 341       nSDD[k]=n323[k]+n313[k];
 342
 343
 344       sigmn4ITS[k]=TMath::Sqrt(n4ITS[k]*(1-n4ITS[k])/ntottr[k]);
 345       sigmn5ITS[k]=TMath::Sqrt(n5ITS[k]*(1-n5ITS[k])/ntottr[k]);
 346       sigmn6ITS[k]=TMath::Sqrt(n6ITS[k]*(1-n6ITS[k])/ntottr[k]);
 347       sigmn456ITS[k]=TMath::Sqrt(n456ITS[k]*(1-n456ITS[k])/ntottr[k]);
 348
 349       sigmn2ITSclsparttoTPC[k]=TMath::Sqrt(n2ITSclsparttoTPC[k]*(1-n2ITSclsparttoTPC[k])/ntottr[k]);
 350       sigmn3ITSclsparttoTPC[k]=TMath::Sqrt(n3ITSclsparttoTPC[k]*(1-n3ITSclsparttoTPC[k])/ntottr[k]);
 351       sigmn4ITSclsparttoTPC[k]=TMath::Sqrt(n4ITSclsparttoTPC[k]*(1-n4ITSclsparttoTPC[k])/ntottr[k]);
 352       sigmn5ITSclsparttoTPC[k]=TMath::Sqrt(n5ITSclsparttoTPC[k]*(1-n5ITSclsparttoTPC[k])/ntottr[k]);
 353       sigmn6ITSclsparttoTPC[k]=TMath::Sqrt(n6ITSclsparttoTPC[k]*(1-n6ITSclsparttoTPC[k])/ntottr[k]);
 354
 355       sigmnSPDtoGen[k]=TMath::Sqrt(nSPDtoGen[k]*(1-nSPDtoGen[k])/nprimgen[k]);
 356       sigmn2ITStoGen[k]=TMath::Sqrt(n2ITStoGen[k]*(1-n2ITStoGen[k])/nprimgen[k]);
 357       sigmn3ITStoGen[k]=TMath::Sqrt(n3ITStoGen[k]*(1-n3ITStoGen[k])/nprimgen[k]);
 358       sigmn4ITStoGen[k]=TMath::Sqrt(n4ITStoGen[k]*(1-n4ITStoGen[k])/nprimgen[k]);
 359       sigmn5ITStoGen[k]=TMath::Sqrt(n5ITStoGen[k]*(1-n5ITStoGen[k])/nprimgen[k]);
 360       sigmn6ITStoGen[k]=TMath::Sqrt(n6ITStoGen[k]*(1-n6ITStoGen[k])/nprimgen[k]);
 361       sigmn456ITStoGen[k]=TMath::Sqrt(n456ITStoGen[k]*(1-n456ITStoGen[k])/nprimgen[k]);
 362       sigmnTPCtoGen[k]=TMath::Sqrt(nTPCtoGen[k]*(1-nTPCtoGen[k])/nprimgen[k]);
 363       sigmnTPCto6cls[k]=TMath::Sqrt(nTPCto6cls[k]*(1-nTPCto6cls[k])/n6ITSclspart[k]);
 364
 365       sigmn1ITSto6cls[k]=TMath::Sqrt(n1ITSto6cls[k]*(1-n1ITSto6cls[k])/n6ITSclspart[k]);
 366       sigmn2ITSto6cls[k]=TMath::Sqrt(n2ITSto6cls[k]*(1-n2ITSto6cls[k])/n6ITSclspart[k]);
 367       sigmn3ITSto6cls[k]=TMath::Sqrt(n3ITSto6cls[k]*(1-n3ITSto6cls[k])/n6ITSclspart[k]);
 368       sigmn4ITSto6cls[k]=TMath::Sqrt(n4ITSto6cls[k]*(1-n4ITSto6cls[k])/n6ITSclspart[k]);
 369       sigmn5ITSto6cls[k]=TMath::Sqrt(n5ITSto6cls[k]*(1-n5ITSto6cls[k])/n6ITSclspart[k]);
 370       sigmn6ITSto6cls[k]=TMath::Sqrt(n6ITSto6cls[k]*(1-n6ITSto6cls[k])/n6ITSclspart[k]);
 371       sigmn4ITSto5cls[k]=TMath::Sqrt(n4ITSto5cls[k]*(1-n4ITSto5cls[k])/n5ITSclspart[k]);
 372       sigmn5ITSto5cls[k]=TMath::Sqrt(n5ITSto5cls[k]*(1-n5ITSto5cls[k])/n5ITSclspart[k]);
 373       sigmn3ITSto4cls[k]=TMath::Sqrt(n3ITSto4cls[k]*(1-n3ITSto4cls[k])/n4ITSclspart[k]);
 374       sigmn4ITSto4cls[k]=TMath::Sqrt(n4ITSto4cls[k]*(1-n4ITSto4cls[k])/n4ITSclspart[k]);
 375       sigmn2ITSto3cls[k]=TMath::Sqrt(n2ITSto3cls[k]*(1-n2ITSto3cls[k])/n3ITSclspart[k]);
 376       sigmn3ITSto3cls[k]=TMath::Sqrt(n3ITSto3cls[k]*(1-n3ITSto3cls[k])/n3ITSclspart[k]);
 377       sigmn1ITSto2cls[k]=TMath::Sqrt(n1ITSto2cls[k]*(1-n1ITSto2cls[k])/n2ITSclspart[k]);
 378       sigmn2ITSto2cls[k]=TMath::Sqrt(n2ITSto2cls[k]*(1-n2ITSto2cls[k])/n2ITSclspart[k]);
 379       sigmn456ITSto6cls[k]=TMath::Sqrt(n456ITSto6cls[k]*(1-n456ITSto6cls[k])/n6ITSclspart[k]);
 380
 381       sigmn330[k]=TMath::Sqrt(n330[k]*(1-n330[k])/ntottr[k]);
 382       sigmn331[k]=TMath::Sqrt(n331[k]*(1-n331[k])/ntottr[k]);
 383       sigmn332[k]=TMath::Sqrt(n332[k]*(1-n332[k])/ntottr[k]);
 384       sigmn313[k]=TMath::Sqrt(n313[k]*(1-n313[k])/ntottr[k]);
 385       sigmn323[k]=TMath::Sqrt(n323[k]*(1-n323[k])/ntottr[k]);
 386       sigmn133[k]=TMath::Sqrt(n133[k]*(1-n133[k])/ntottr[k]);
 387       sigmn233[k]=TMath::Sqrt(n233[k]*(1-n233[k])/ntottr[k]);
 388
 389
 390       sigmnOTHERS[k]=TMath::Sqrt(nOTHERS[k]*(1-nOTHERS[k])/ntottr[k]);
 391       sigmnSSD[k]=TMath::Sqrt((n133[k]+n233[k])*(1-n133[k]-n233[k])/ntottr[k]);
 392       sigmnSDD[k]=TMath::Sqrt((n323[k]+n313[k])*(1-n323[k]-n313[k])/ntottr[k]);
 393     } else {
 394       meanpt[k]=(ptbinning[2*k+1]+ptbinning[2*k])/2.;
 395     }
 396
 397   } // end loop on pt bins
 398
 399   //-------DRAWING  TGRAPH--------
 400
 401   const int cWidth = 500;
 402   const int cHeight = (int)(500*(29.7/21.));
 403
 404   TCanvas* ceff0 = new TCanvas("ceff0","ceff0",cWidth,cHeight);
 405   ceff0->SetLogx();
 406   ceff0->SetGridy();
 407
 408   gr4 = new TGraphErrors(nPtBins,meanpt,n4ITS,errx,sigmn4ITS);
 409   gr4->SetName("mygraph04ITS");
 410   gr4->SetTitle("ITS tracking efficiency (B=0.5T, no misal.)");
 411   gr4->SetLineColor(1);
 412   gr4->SetLineWidth(1);
 413   gr4->SetMarkerColor(2);
 414   gr4->SetMarkerStyle(21);
 415   gr4->SetMarkerSize(1);
 416   gr4->GetXaxis()->SetTitle("p_{t} [GeV/c] ");
 417   gr4->GetYaxis()->SetTitle("ITS efficiency (normalized to TPC trks)");
 418   gr4->SetMaximum(1.2);
 419   gr4->SetMinimum(0.);
 420   gr4->Draw("AP");
 421
 422   gr5 = new TGraphErrors(nPtBins,meanpt,n5ITS,errx,sigmn5ITS);
 423   gr5->SetName("mygraph05ITS");
 424   gr5->SetLineColor(1);
 425   gr5->SetLineWidth(1);
 426   gr5->SetMarkerColor(8);
 427   gr5->SetMarkerStyle(21);
 428   gr5->SetMarkerSize(1.);
 429   gr5->SetTitle(titlegraph1);
 430   gr5->GetXaxis()->SetTitle("p_{t} [GeV/c] ");
 431   gr5->GetYaxis()->SetTitle("");
 432   gr5->Draw("P");
 433
 434   gr6 = new TGraphErrors(nPtBins,meanpt,n6ITS,errx,sigmn6ITS);
 435   gr6->SetName("mygraph06ITS");
 436   gr6->SetLineColor(1);
 437   gr6->SetLineWidth(1);
 438   gr6->SetMarkerColor(4);
 439   gr6->SetMarkerStyle(21);
 440   gr6->SetMarkerSize(1.);
 441   gr6->GetXaxis()->SetTitle("p_{t} [GeV/c] ");
 442   gr6->GetYaxis()->SetTitle("");
 443   gr6->Draw("P");
 444
 445   gr456 = new TGraphErrors(nPtBins,meanpt,n456ITS,errx,sigmn456ITS);
 446   gr456->SetName("mygraph456ITS");
 447   gr456->SetLineColor(1);
 448   gr456->SetLineWidth(1);
 449   gr456->SetMarkerColor(1);
 450   gr456->SetMarkerStyle(21);
 451   gr456->SetMarkerSize(1.);
 452   gr456->GetXaxis()->SetTitle("p_{t} [GeV/c] ");
 453   gr456->GetYaxis()->SetTitle("");
 454   gr456->Draw("P");
 455
 456   TLegend *l0 = new TLegend(0.5,0.5,0.9,0.9);
 457   l0->SetFillStyle(0);
 458   l0->SetBorderSize(0);
 459   l0->AddEntry(gr4,"kTPCin + 4 ITS cls","p");
 460   l0->AddEntry(gr5,"kTPCin + 5 ITS cls","p");
 461   l0->AddEntry(gr6,"kTPCin + 6 ITS cls","p");
 462   l0->AddEntry(gr456,"kTPCin + 4or5or6 ITS cls","p");
 463   l0->Draw();
 464
 465   TCanvas* ceff1 = new TCanvas("ceff1","ceff1",cWidth,cHeight);
 466   ceff1->SetLogx();
 467   ceff1->SetGridy();
 468
 469   gr4toGen = new TGraphErrors(nPtBins,meanpt,n4ITStoGen,errx,sigmn4ITStoGen);
 470   gr4toGen->SetName("mygraph04ITStoGen");
 471   gr4toGen->SetTitle("Physical tracking efficiency (B=0.5T, no misal.)");
 472   gr4toGen->SetLineColor(1);
 473   gr4toGen->SetLineWidth(1);
 474   gr4toGen->SetMarkerColor(2);
 475   gr4toGen->SetMarkerStyle(24);
 476   gr4toGen->SetMarkerSize(1.);
 477   gr4toGen->GetXaxis()->SetTitle("p_{t} [GeV/c] ");
 478   gr4toGen->GetYaxis()->SetTitle("Physical efficiency (normalized to generated)");
 479   gr4toGen->SetMaximum(1.2);
 480   gr4toGen->SetMinimum(0.);
 481   gr4toGen->Draw("AP");
 482
 483   gr2toGen = new TGraphErrors(nPtBins,meanpt,n2ITStoGen,errx,sigmn2ITStoGen);
 484   gr2toGen->SetName("mygraph02ITStoGen");
 485   gr2toGen->SetLineColor(1);
 486   gr2toGen->SetLineWidth(1);
 487   gr2toGen->SetMarkerColor(1);
 488   gr2toGen->SetMarkerStyle(20);
 489   gr2toGen->SetMarkerSize(1.);
 490   gr2toGen->GetXaxis()->SetTitle("p_{t} [GeV/c] ");
 491   gr2toGen->GetYaxis()->SetTitle("");
 492   gr2toGen->Draw("P");
 493
 494   gr3toGen = new TGraphErrors(nPtBins,meanpt,n3ITStoGen,errx,sigmn3ITStoGen);
 495   gr3toGen->SetName("mygraph03ITStoGen");
 496   gr3toGen->SetLineColor(1);
 497   gr3toGen->SetLineWidth(1);
 498   gr3toGen->SetMarkerColor(2);
 499   gr3toGen->SetMarkerStyle(21);
 500   gr3toGen->SetMarkerSize(1.);
 501   gr3toGen->GetXaxis()->SetTitle("p_{t} [GeV/c] ");
 502   gr3toGen->GetYaxis()->SetTitle("");
 503   gr3toGen->Draw("P");
 504
 505   gr5toGen = new TGraphErrors(nPtBins,meanpt,n5ITStoGen,errx,sigmn5ITStoGen);
 506   gr5toGen->SetName("mygraph05ITStoGen");
 507   gr5toGen->SetLineColor(1);
 508   gr5toGen->SetLineWidth(1);
 509   gr5toGen->SetMarkerColor(8);
 510   gr5toGen->SetMarkerStyle(24);
 511   gr5toGen->SetMarkerSize(1.);
 512   gr5toGen->GetXaxis()->SetTitle("p_{t} [GeV/c] ");
 513   gr5toGen->GetYaxis()->SetTitle("");
 514   gr5toGen->Draw("P");
 515
 516   gr6toGen = new TGraphErrors(nPtBins,meanpt,n6ITStoGen,errx,sigmn6ITStoGen);
 517   gr6toGen->SetName("mygraph06ITStoGen");
 518   gr6toGen->SetLineColor(1);
 519   gr6toGen->SetLineWidth(1);
 520   gr6toGen->SetMarkerColor(4);
 521   gr6toGen->SetMarkerStyle(24);
 522   gr6toGen->SetMarkerSize(1.);
 523   gr6toGen->GetXaxis()->SetTitle("p_{t} [GeV/c] ");
 524   gr6toGen->GetYaxis()->SetTitle("");
 525   gr6toGen->Draw("P");
 526
 527   gr456toGen = new TGraphErrors(nPtBins,meanpt,n456ITStoGen,errx,sigmn456ITStoGen);
 528   gr456toGen->SetName("mygraph0456ITStoGen");
 529   gr456toGen->SetLineColor(1);
 530   gr456toGen->SetLineWidth(1);
 531   gr456toGen->SetMarkerColor(1);
 532   gr456toGen->SetMarkerStyle(24);
 533   gr456toGen->SetMarkerSize(1.);
 534   gr456toGen->GetXaxis()->SetTitle("p_{t} [GeV/c] ");
 535   gr456toGen->GetYaxis()->SetTitle("");
 536   //gr456toGen->Draw("P");
 537
 538
 539   grTPCtoGen = new TGraphErrors(nPtBins,meanpt,nTPCtoGen,errx,sigmnTPCtoGen);
 540   grTPCtoGen->SetName("mygraph0TPCtoGen");
 541   grTPCtoGen->SetLineColor(1);
 542   grTPCtoGen->SetLineWidth(1);
 543   grTPCtoGen->SetMarkerColor(6);
 544   grTPCtoGen->SetMarkerStyle(20);
 545   grTPCtoGen->SetMarkerSize(1.);
 546   grTPCtoGen->GetXaxis()->SetTitle("p_{t} [GeV/c] ");
 547   grTPCtoGen->GetYaxis()->SetTitle("");
 548   grTPCtoGen->Draw("P");
 549
 550   grSPDtoGen = new TGraphErrors(nPtBins,meanpt,nSPDtoGen,errx,sigmnSPDtoGen);
 551   grSPDtoGen->SetName("mygraph0SPDtoGen");
 552   grSPDtoGen->SetLineColor(1);
 553   grSPDtoGen->SetLineWidth(1);
 554   grSPDtoGen->SetMarkerColor(9);
 555   grSPDtoGen->SetMarkerStyle(22);
 556   grSPDtoGen->SetMarkerSize(1.3);
 557   grSPDtoGen->GetXaxis()->SetTitle("p_{t} [GeV/c] ");
 558   grSPDtoGen->GetYaxis()->SetTitle("");
 559   grSPDtoGen->Draw("P");
 560
 561
 562   TLegend *l1 = new TLegend(0.5,0.5,0.9,0.9);
 563   l1->SetFillStyle(0);
 564   l1->SetBorderSize(0);
 565   l1->AddEntry(grTPCtoGen,"kTPCin","p");
 566   l1->AddEntry(grSPDtoGen,"kTPCin + 2 SPD cls","p");
 567   l1->AddEntry(gr2toGen,"kTPCin + 2 ITS cls","p");
 568   l1->AddEntry(gr3toGen,"kTPCin + 3 ITS cls","p");
 569   l1->AddEntry(gr4toGen,"kTPCin + 4 ITS cls","p");
 570   l1->AddEntry(gr5toGen,"kTPCin + 5 ITS cls","p");
 571   l1->AddEntry(gr6toGen,"kTPCin + 6 ITS cls","p");
 572   //l1->AddEntry(gr456toGen,"kTPCin + 4or5or6 ITS cls","p");
 573   l1->Draw();
 574
 575
 576
 577   TCanvas* ceff2_6 = new TCanvas("ceff2_6","ceff2_6",cWidth,cHeight);
 578   ceff2_6->SetLogx();
 579   ceff2_6->SetGridy();
 580
 581   gr4to6cls = new TGraphErrors(nPtBins,meanpt,n4ITSto6cls,errx,sigmn4ITSto6cls);
 582   gr4to6cls->SetName("mygraph04ITSto6cls");
 583   gr4to6cls->SetTitle("ITS tracking efficiency (B=0.5T, no misal.)");
 584   gr4to6cls->SetLineColor(1);
 585   gr4to6cls->SetLineWidth(1);
 586   gr4to6cls->SetMarkerColor(2);
 587   gr4to6cls->SetMarkerStyle(24);
 588   gr4to6cls->SetMarkerSize(1.);
 589   gr4to6cls->GetXaxis()->SetTitle("p_{t} [GeV/c] ");
 590   gr4to6cls->GetYaxis()->SetTitle("ITS efficiency (normalized to kTPCin with 6 ITS cls)");
 591   gr4to6cls->SetMaximum(1.2);
 592   gr4to6cls->SetMinimum(0.);
 593   gr4to6cls->Draw("AP");
 594
 595   gr5to6cls = new TGraphErrors(nPtBins,meanpt,n5ITSto6cls,errx,sigmn5ITSto6cls);
 596   gr5to6cls->SetName("mygraph05ITSto6cls");
 597   gr5to6cls->SetLineColor(1);
 598   gr5to6cls->SetLineWidth(1);
 599   gr5to6cls->SetMarkerColor(8);
 600   gr5to6cls->SetMarkerStyle(25);
 601   gr5to6cls->SetMarkerSize(1.);
 602   gr5to6cls->GetXaxis()->SetTitle("p_{t} [GeV/c] ");
 603   gr5to6cls->GetYaxis()->SetTitle("");
 604   gr5to6cls->Draw("P");
 605
 606   gr6to6cls = new TGraphErrors(nPtBins,meanpt,n6ITSto6cls,errx,sigmn6ITSto6cls);
 607   gr6to6cls->SetName("mygraph06ITSto6cls");
 608   gr6to6cls->SetLineColor(1);
 609   gr6to6cls->SetLineWidth(1);
 610   gr6to6cls->SetMarkerColor(4);
 611   gr6to6cls->SetMarkerStyle(26);
 612   gr6to6cls->SetMarkerSize(1.);
 613   gr6to6cls->GetXaxis()->SetTitle("p_{t} [GeV/c] ");
 614   gr6to6cls->GetYaxis()->SetTitle("");
 615   gr6to6cls->Draw("P");
 616
 617   gr3to6cls = new TGraphErrors(nPtBins,meanpt,n3ITSto6cls,errx,sigmn3ITSto6cls);
 618   gr3to6cls->SetName("mygraph03ITSto6cls");
 619   gr3to6cls->SetLineColor(1);
 620   gr3to6cls->SetLineWidth(1);
 621   gr3to6cls->SetMarkerColor(9);
 622   gr3to6cls->SetMarkerStyle(27);
 623   gr3to6cls->SetMarkerSize(1.);
 624   gr3to6cls->GetXaxis()->SetTitle("p_{t} [GeV/c] ");
 625   gr3to6cls->GetYaxis()->SetTitle("");
 626   gr3to6cls->Draw("P");
 627
 628   gr2to6cls = new TGraphErrors(nPtBins,meanpt,n2ITSto6cls,errx,sigmn2ITSto6cls);
 629   gr2to6cls->SetName("mygraph02ITSto6cls");
 630   gr2to6cls->SetLineColor(1);
 631   gr2to6cls->SetLineWidth(1);
 632   gr2to6cls->SetMarkerColor(1);
 633   gr2to6cls->SetMarkerStyle(28);
 634   gr2to6cls->SetMarkerSize(1.);
 635   gr2to6cls->GetXaxis()->SetTitle("p_{t} [GeV/c] ");
 636   gr2to6cls->GetYaxis()->SetTitle("");
 637   gr2to6cls->Draw("P");
 638
 639   gr1to6cls = new TGraphErrors(nPtBins,meanpt,n1ITSto6cls,errx,sigmn1ITSto6cls);
 640   gr1to6cls->SetName("mygraph01ITSto6cls");
 641   gr1to6cls->SetLineColor(1);
 642   gr1to6cls->SetLineWidth(1);
 643   gr1to6cls->SetMarkerColor(6);
 644   gr1to6cls->SetMarkerStyle(29);
 645   gr1to6cls->SetMarkerSize(1.);
 646   gr1to6cls->GetXaxis()->SetTitle("p_{t} [GeV/c] ");
 647   gr1to6cls->GetYaxis()->SetTitle("");
 648   gr1to6cls->Draw("P");
 649
 650
 651   TLegend *l2_6 = new TLegend(0.5,0.5,0.9,0.9);
 652   l2_6->SetFillStyle(0);
 653   l2_6->SetBorderSize(0);
 654   l2_6->AddEntry(gr6to6cls,"kTPCin + 6 ITS cls","p");
 655   l2_6->AddEntry(gr5to6cls,"kTPCin + 5 ITS cls","p");
 656   l2_6->AddEntry(gr4to6cls,"kTPCin + 4 ITS cls","p");
 657   l2_6->AddEntry(gr3to6cls,"kTPCin + 3 ITS cls","p");
 658   l2_6->AddEntry(gr2to6cls,"kTPCin + 2 ITS cls","p");
 659   l2_6->AddEntry(gr1to6cls,"kTPCin + 1 ITS cls","p");
 660   l2_6->Draw();
 661
 662   TCanvas* ceff2_5 = new TCanvas("ceff2_5","ceff2_5",cWidth,cHeight);
 663   ceff2_5->SetLogx();
 664   ceff2_5->SetGridy();
 665
 666   gr4to5cls = new TGraphErrors(nPtBins,meanpt,n4ITSto5cls,errx,sigmn4ITSto5cls);
 667   gr4to5cls->SetName("mygraph04ITSto5cls");
 668   gr4to5cls->SetTitle("ITS tracking efficiency (B=0.5T, no misal.)");
 669   gr4to5cls->SetLineColor(1);
 670   gr4to5cls->SetLineWidth(1);
 671   gr4to5cls->SetMarkerColor(2);
 672   gr4to5cls->SetMarkerStyle(24);
 673   gr4to5cls->SetMarkerSize(1.);
 674   gr4to5cls->GetXaxis()->SetTitle("p_{t} [GeV/c] ");
 675   gr4to5cls->GetYaxis()->SetTitle("ITS efficiency (normalized to kTPCin with 5 ITS cls)");
 676   gr4to5cls->SetMaximum(1.2);
 677   gr4to5cls->SetMinimum(0.);
 678   gr4to5cls->Draw("AP");
 679
 680   gr5to5cls = new TGraphErrors(nPtBins,meanpt,n5ITSto5cls,errx,sigmn5ITSto5cls);
 681   gr5to5cls->SetName("mygraph05ITSto5cls");
 682   gr5to5cls->SetLineColor(1);
 683   gr5to5cls->SetLineWidth(1);
 684   gr5to5cls->SetMarkerColor(1);
 685   gr5to5cls->SetMarkerStyle(25);
 686   gr5to5cls->SetMarkerSize(1.);
 687   gr5to5cls->GetXaxis()->SetTitle("p_{t} [GeV/c] ");
 688   gr5to5cls->GetYaxis()->SetTitle("");
 689   gr5to5cls->Draw("P");
 690
 691   TLegend *l2_5 = new TLegend(0.5,0.5,0.9,0.9);
 692   l2_5->SetFillStyle(0);
 693   l2_5->SetBorderSize(0);
 694   l2_5->AddEntry(gr5to5cls,"kTPCin + 5 ITS cls","p");
 695   l2_5->AddEntry(gr4to5cls,"kTPCin + 4 ITS cls","p");
 696   l2_5->Draw();
 697
 698   TCanvas* ceff2_4 = new TCanvas("ceff2_4","ceff2_4",cWidth,cHeight);
 699   ceff2_4->SetLogx();
 700   ceff2_4->SetGridy();
 701
 702   gr4to4cls = new TGraphErrors(nPtBins,meanpt,n4ITSto4cls,errx,sigmn4ITSto4cls);
 703   gr4to4cls->SetName("mygraph04ITSto4cls");
 704   gr4to4cls->SetTitle("ITS tracking efficiency (B=0.5T, no misal.)");
 705   gr4to4cls->SetLineColor(1);
 706   gr4to4cls->SetLineWidth(1);
 707   gr4to4cls->SetMarkerColor(2);
 708   gr4to4cls->SetMarkerStyle(24);
 709   gr4to4cls->SetMarkerSize(1.);
 710   gr4to4cls->GetXaxis()->SetTitle("p_{t} [GeV/c] ");
 711   gr4to4cls->GetYaxis()->SetTitle("ITS efficiency (normalized to kTPCin with 4 ITS cls)");
 712   gr4to4cls->SetMaximum(1.2);
 713   gr4to4cls->SetMinimum(0.);
 714   gr4to4cls->Draw("AP");
 715
 716   gr3to4cls = new TGraphErrors(nPtBins,meanpt,n3ITSto4cls,errx,sigmn3ITSto4cls);
 717   gr3to4cls->SetName("mygraph03ITSto4cls");
 718   gr3to4cls->SetLineColor(1);
 719   gr3to4cls->SetLineWidth(1);
 720   gr3to4cls->SetMarkerColor(1);
 721   gr3to4cls->SetMarkerStyle(25);
 722   gr3to4cls->SetMarkerSize(1.);
 723   gr3to4cls->GetXaxis()->SetTitle("p_{t} [GeV/c] ");
 724   gr3to4cls->GetYaxis()->SetTitle("");
 725   gr3to4cls->Draw("P");
 726
 727   TLegend *l2_4 = new TLegend(0.5,0.5,0.9,0.9);
 728   l2_4->SetFillStyle(0);
 729   l2_4->SetBorderSize(0);
 730   l2_4->AddEntry(gr4to4cls,"kTPCin + 4 ITS cls","p");
 731   l2_4->AddEntry(gr3to4cls,"kTPCin + 3 ITS cls","p");
 732   l2_4->Draw();
 733
 734   TCanvas* ceff2_3 = new TCanvas("ceff2_3","ceff2_3",cWidth,cHeight);
 735   ceff2_3->SetLogx();
 736   ceff2_3->SetGridy();
 737
 738   gr3to3cls = new TGraphErrors(nPtBins,meanpt,n3ITSto3cls,errx,sigmn3ITSto3cls);
 739   gr3to3cls->SetName("mygraph03ITSto3cls");
 740   gr3to3cls->SetTitle("ITS tracking efficiency (B=0.5T, no misal.)");
 741   gr3to3cls->SetLineColor(1);
 742   gr3to3cls->SetLineWidth(1);
 743   gr3to3cls->SetMarkerColor(2);
 744   gr3to3cls->SetMarkerStyle(24);
 745   gr3to3cls->SetMarkerSize(1.);
 746   gr3to3cls->GetXaxis()->SetTitle("p_{t} [GeV/c] ");
 747   gr3to3cls->GetYaxis()->SetTitle("ITS efficiency (normalized to kTPCin with 3 ITS cls)");
 748   gr3to3cls->SetMaximum(1.2);
 749   gr3to3cls->SetMinimum(0.);
 750   gr3to3cls->Draw("AP");
 751
 752   gr2to3cls = new TGraphErrors(nPtBins,meanpt,n2ITSto3cls,errx,sigmn2ITSto3cls);
 753   gr2to3cls->SetName("mygraph02ITSto3cls");
 754   gr2to3cls->SetLineColor(1);
 755   gr2to3cls->SetLineWidth(1);
 756   gr2to3cls->SetMarkerColor(1);
 757   gr2to3cls->SetMarkerStyle(25);
 758   gr2to3cls->SetMarkerSize(1.);
 759   gr2to3cls->GetXaxis()->SetTitle("p_{t} [GeV/c] ");
 760   gr2to3cls->GetYaxis()->SetTitle("");
 761   gr2to3cls->Draw("P");
 762
 763   TLegend *l2_3 = new TLegend(0.5,0.5,0.9,0.9);
 764   l2_3->SetFillStyle(0);
 765   l2_3->SetBorderSize(0);
 766   l2_3->AddEntry(gr3to3cls,"kTPCin + 3 ITS cls","p");
 767   l2_3->AddEntry(gr2to3cls,"kTPCin + 2 ITS cls","p");
 768   l2_3->Draw();
 769
 770   TCanvas* ceff2_2 = new TCanvas("ceff2_2","ceff2_2",cWidth,cHeight);
 771   ceff2_2->SetLogx();
 772   ceff2_2->SetGridy();
 773
 774   gr1to2cls = new TGraphErrors(nPtBins,meanpt,n1ITSto2cls,errx,sigmn1ITSto2cls);
 775   gr1to2cls->SetName("mygraph01ITSto2cls");
 776   gr1to2cls->SetTitle("ITS tracking efficiency (B=0.5T, no misal.)");
 777   gr1to2cls->SetLineColor(1);
 778   gr1to2cls->SetLineWidth(1);
 779   gr1to2cls->SetMarkerColor(2);
 780   gr1to2cls->SetMarkerStyle(24);
 781   gr1to2cls->SetMarkerSize(1.);
 782   gr1to2cls->GetXaxis()->SetTitle("p_{t} [GeV/c] ");
 783   gr1to2cls->GetYaxis()->SetTitle("ITS efficiency (normalized to kTPCin with 2 ITS cls)");
 784   gr1to2cls->SetMaximum(1.2);
 785   gr1to2cls->SetMinimum(0.);
 786   gr1to2cls->Draw("AP");
 787
 788   gr2to2cls = new TGraphErrors(nPtBins,meanpt,n2ITSto2cls,errx,sigmn2ITSto2cls);
 789   gr2to2cls->SetName("mygraph02ITSto2cls");
 790   gr2to2cls->SetLineColor(1);
 791   gr2to2cls->SetLineWidth(1);
 792   gr2to2cls->SetMarkerColor(1);
 793   gr2to2cls->SetMarkerStyle(25);
 794   gr2to2cls->SetMarkerSize(1.);
 795   gr2to2cls->GetXaxis()->SetTitle("p_{t} [GeV/c] ");
 796   gr2to2cls->GetYaxis()->SetTitle("");
 797   gr2to2cls->Draw("P");
 798
 799   TLegend *l2_2 = new TLegend(0.5,0.5,0.9,0.9);
 800   l2_2->SetFillStyle(0);
 801   l2_2->SetBorderSize(0);
 802   l2_2->AddEntry(gr2to2cls,"kTPCin + 2 ITS cls","p");
 803   l2_2->AddEntry(gr1to2cls,"kTPCin + 1 ITS cls","p");
 804   l2_2->Draw();
 805
 806
 807   TCanvas* ceff3 = new TCanvas("ceff3","ceff3",cWidth,cHeight);
 808   ceff3->SetLogx();
 809   ceff3->SetGridy();
 810
 811   gr4ITSclsparttoTPC = new TGraphErrors(nPtBins,meanpt,n4ITSclsparttoTPC,errx,sigmn4ITSclsparttoTPC);
 812   gr4ITSclsparttoTPC->SetName("mygraph04ITSclsparttoTPC");
 813   gr4ITSclsparttoTPC->SetTitle("Number of produced clusters (B=0.5T, no misal.)");
 814   gr4ITSclsparttoTPC->SetLineColor(1);
 815   gr4ITSclsparttoTPC->SetLineWidth(1);
 816   gr4ITSclsparttoTPC->SetMarkerColor(2);
 817   gr4ITSclsparttoTPC->SetMarkerStyle(22);
 818   gr4ITSclsparttoTPC->SetMarkerSize(1.);
 819   gr4ITSclsparttoTPC->GetXaxis()->SetTitle("p_{t} [GeV/c] ");
 820   gr4ITSclsparttoTPC->GetYaxis()->SetTitle("Fraction of primary kTPCin tracks producing N clusters");
 821   gr4ITSclsparttoTPC->SetMaximum(1.2);
 822   gr4ITSclsparttoTPC->SetMinimum(0.);
 823   gr4ITSclsparttoTPC->Draw("AP");
 824
 825   gr5ITSclsparttoTPC = new TGraphErrors(nPtBins,meanpt,n5ITSclsparttoTPC,errx,sigmn5ITSclsparttoTPC);
 826   gr5ITSclsparttoTPC->SetName("mygraph05ITSclsparttoTPC");
 827   gr5ITSclsparttoTPC->SetLineColor(1);
 828   gr5ITSclsparttoTPC->SetLineWidth(1);
 829   gr5ITSclsparttoTPC->SetMarkerColor(8);
 830   gr5ITSclsparttoTPC->SetMarkerStyle(22);
 831   gr5ITSclsparttoTPC->SetMarkerSize(1.);
 832   gr5ITSclsparttoTPC->GetXaxis()->SetTitle("p_{t} [GeV/c] ");
 833   gr5ITSclsparttoTPC->GetYaxis()->SetTitle("");
 834   gr5ITSclsparttoTPC->Draw("P");
 835
 836   gr6ITSclsparttoTPC = new TGraphErrors(nPtBins,meanpt,n6ITSclsparttoTPC,errx,sigmn6ITSclsparttoTPC);
 837   gr6ITSclsparttoTPC->SetName("mygraph06ITSITSclsparttoTPC");
 838   gr6ITSclsparttoTPC->SetLineColor(1);
 839   gr6ITSclsparttoTPC->SetLineWidth(1);
 840   gr6ITSclsparttoTPC->SetMarkerColor(4);
 841   gr6ITSclsparttoTPC->SetMarkerStyle(22);
 842   gr6ITSclsparttoTPC->SetMarkerSize(1.);
 843   gr6ITSclsparttoTPC->GetXaxis()->SetTitle("p_{t} [GeV/c] ");
 844   gr6ITSclsparttoTPC->GetYaxis()->SetTitle("");
 845   gr6ITSclsparttoTPC->Draw("P");
 846
 847   gr3ITSclsparttoTPC = new TGraphErrors(nPtBins,meanpt,n3ITSclsparttoTPC,errx,sigmn3ITSclsparttoTPC);
 848   gr3ITSclsparttoTPC->SetName("mygraph03ITSITSclsparttoTPC");
 849   gr3ITSclsparttoTPC->SetLineColor(1);
 850   gr3ITSclsparttoTPC->SetLineWidth(1);
 851   gr3ITSclsparttoTPC->SetMarkerColor(6);
 852   gr3ITSclsparttoTPC->SetMarkerStyle(22);
 853   gr3ITSclsparttoTPC->SetMarkerSize(1.);
 854   gr3ITSclsparttoTPC->GetXaxis()->SetTitle("p_{t} [GeV/c] ");
 855   gr3ITSclsparttoTPC->GetYaxis()->SetTitle("");
 856   gr3ITSclsparttoTPC->Draw("P");
 857
 858   gr2ITSclsparttoTPC = new TGraphErrors(nPtBins,meanpt,n2ITSclsparttoTPC,errx,sigmn2ITSclsparttoTPC);
 859   gr2ITSclsparttoTPC->SetName("mygraph06ITSITSclsparttoTPC");
 860   gr2ITSclsparttoTPC->SetLineColor(1);
 861   gr2ITSclsparttoTPC->SetLineWidth(1);
 862   gr2ITSclsparttoTPC->SetMarkerColor(1);
 863   gr2ITSclsparttoTPC->SetMarkerStyle(22);
 864   gr2ITSclsparttoTPC->SetMarkerSize(1.);
 865   gr2ITSclsparttoTPC->GetXaxis()->SetTitle("p_{t} [GeV/c] ");
 866   gr2ITSclsparttoTPC->GetYaxis()->SetTitle("");
 867   gr2ITSclsparttoTPC->Draw("P");
 868
 869   TLegend *l3 = new TLegend(0.5,0.5,0.9,0.9);
 870   l3->SetFillStyle(0);
 871   l3->SetBorderSize(0);
 872   l3->AddEntry(gr2ITSclsparttoTPC,"2 ITS cls","p");
 873   l3->AddEntry(gr3ITSclsparttoTPC,"3 ITS cls","p");
 874   l3->AddEntry(gr4ITSclsparttoTPC,"4 ITS cls","p");
 875   l3->AddEntry(gr5ITSclsparttoTPC,"5 ITS cls","p");
 876   l3->AddEntry(gr6ITSclsparttoTPC,"6 ITS cls","p");
 877   l3->Draw();
 878
 879
 880   ////////////--------------5 POINTS SCENARIO
 881
 882   TCanvas* fitting1 = new TCanvas("fitting1","5 Points Scenario tracks analysis",cWidth,cHeight);
 883   fitting1->Divide(3,2);
 884   fitting1->cd(1);
 885   // gPad->SetLogy();
 886   gPad->SetLogx();
 887   gPad->SetGridx();
 888   gPad->SetGridy();
 889   gr133 = new TGraphErrors(nPtBins,meanpt,n133,errx,sigmn133);
 890   gr133->SetName("mygraph133");
 891   gr133->SetLineColor(1);
 892   gr133->SetLineWidth(1);
 893   gr133->SetMarkerColor(4);
 894   gr133->SetMarkerStyle(21);
 895   gr133->SetMarkerSize(.5);
 896   titlegraph1="NTracks without SSD2 point for ";
 897   //titlegraph1="d_{0}(r#phi) Resolution for ";
 898   titlegraph1.Append(partforgraph);
 899   //    titlegraph1.Append(" using True Vertex");
 900   gr133->SetTitle(titlegraph1);
 901   gr133->GetXaxis()->SetTitle("p_{t} [GeV/c] ");
 902   gr133->GetYaxis()->SetTitle("");
 903   gr133->Draw("AP");
 904
 905   fitting1->cd(4);
 906   // gPad->SetLogy();
 907   gPad->SetLogx();
 908   gPad->SetGridx();
 909   gPad->SetGridy();
 910   gr233 = new TGraphErrors(nPtBins,meanpt,n233,errx,sigmn233);
 911   gr233->SetName("mygraph233");
 912   gr233->SetLineColor(1);
 913   gr233->SetLineWidth(1);
 914   gr233->SetMarkerColor(4);
 915   gr233->SetMarkerStyle(21);
 916   gr233->SetMarkerSize(.5);
 917   //titlegraph1="d_{0}(r#phi) Resolution for  ";
 918   titlegraph1="NTracks without SSD1 point for ";
 919   titlegraph1.Append(partforgraph);
 920   // titlegraph1.Append(" using Reconstructed Vertex");
 921   gr233->SetTitle(titlegraph1);
 922   gr233->GetXaxis()->SetTitle("p_{t} [GeV/c] ");
 923   gr233->GetYaxis()->SetTitle("");
 924   gr233->Draw("AP");
 925
 926   fitting1->cd(2);
 927   // gPad->SetLogy();
 928   gPad->SetLogx();
 929   gPad->SetGridx();
 930   gPad->SetGridy();
 931   gr313 = new TGraphErrors(nPtBins,meanpt,n313,errx,sigmn313);
 932   gr313->SetName("mygraph313");
 933   gr313->SetLineColor(1);
 934   gr313->SetLineWidth(1);
 935   gr313->SetMarkerColor(4);
 936   gr313->SetMarkerStyle(21);
 937   gr313->SetMarkerSize(.5);
 938   titlegraph1="NTracks without SDD2 point for ";
 939   titlegraph1.Append(partforgraph);
 940   //    titlegraph1.Append(" using Vertex on the Fly");
 941   gr313->SetTitle(titlegraph1);
 942   gr313->GetXaxis()->SetTitle("p_{t} [GeV/c] ");
 943   gr313->GetYaxis()->SetTitle("");
 944   gr313->Draw("AP");
 945
 946   fitting1->cd(5);
 947   // gPad->SetLogy();
 948   gPad->SetLogx();
 949  gPad->SetGridx();
 950   gPad->SetGridy();
 951   gr323 = new TGraphErrors(nPtBins,meanpt,n323,errx,sigmn323);
 952   gr323->SetName("mygraph323");
 953   gr323->SetLineColor(1);
 954   gr323->SetLineWidth(1);
 955   gr323->SetMarkerColor(4);
 956   gr323->SetMarkerStyle(21);
 957   gr323->SetMarkerSize(.5);
 958   titlegraph1="NTracks without SDD1 point for ";
 959   titlegraph1.Append(partforgraph);
 960   //    titlegraph1.Append(" using Vertex on the Fly");
 961   gr323->SetTitle(titlegraph1);
 962   gr323->GetXaxis()->SetTitle("p_{t} [GeV/c] ");
 963   gr323->GetYaxis()->SetTitle("");
 964   gr323->Draw("AP");
 965
 966   fitting1->cd(3);
 967   // gPad->SetLogy();
 968   gPad->SetLogx();
 969   gPad->SetGridx();
 970   gPad->SetGridy();
 971   gr331 = new TGraphErrors(nPtBins,meanpt,n331,errx,sigmn331);
 972   gr331->SetName("mygraph331");
 973   gr331->SetLineColor(1);
 974   gr331->SetLineWidth(1);
 975   gr331->SetMarkerColor(4);
 976   gr331->SetMarkerStyle(21);
 977   gr331->SetMarkerSize(.5);
 978   titlegraph1="NTracks without SPD2 point for ";
 979   titlegraph1.Append(partforgraph);
 980   //    titlegraph1.Append(" using Vertex on the Fly");
 981   gr331->SetTitle(titlegraph1);
 982   gr331->GetXaxis()->SetTitle("p_{t} [GeV/c] ");
 983   gr331->GetYaxis()->SetTitle("");
 984   gr331->Draw("AP");
 985
 986   fitting1->cd(6);
 987   // gPad->SetLogy();
 988   gPad->SetLogx();
 989   gPad->SetGridx();
 990   gPad->SetGridy();
 991   gr332 = new TGraphErrors(nPtBins,meanpt,n332,errx,sigmn332);
 992   gr332->SetName("mygraph332");
 993   gr332->SetLineColor(1);
 994   gr332->SetLineWidth(1);
 995   gr332->SetMarkerColor(4);
 996   gr332->SetMarkerStyle(21);
 997   gr332->SetMarkerSize(.5);
 998   titlegraph1="NTracks without SPD1 point for ";
 999   titlegraph1.Append(partforgraph);
1000   //    titlegraph1.Append(" using Vertex on the Fly");
1001   gr332->SetTitle(titlegraph1);
1002   gr332->GetXaxis()->SetTitle("p_{t} [GeV/c] ");
1003   gr332->GetYaxis()->SetTitle("");
1004   gr332->Draw("AP");
1005
1006
1007   TCanvas* fitting2 = new TCanvas("fitting2","SPD Scenario tracks analysis",cWidth,cHeight);
1008   fitting2->Divide(3,2);
1009
1010   fitting2->cd(1);
1011   gPad->SetLogx();
1012   gPad->SetGridx();
1013   gPad->SetGridy();
1014   gr331->Draw("AP");
1015
1016   fitting2->cd(2);
1017   gPad->SetLogx();
1018   gPad->SetGridx();
1019   gPad->SetGridy();
1020   gr332->Draw("AP");
1021
1022   fitting2->cd(3);
1023   // gPad->SetLogy();
1024   gPad->SetLogx();
1025   gPad->SetGridx();
1026   gPad->SetGridy();
1027   gr330 = new TGraphErrors(nPtBins,meanpt,n330,errx,sigmn330);
1028   gr330->SetName("mygraph330");
1029   gr330->SetLineColor(1);
1030   gr330->SetLineWidth(1);
1031   gr330->SetMarkerColor(4);
1032   gr330->SetMarkerStyle(21);
1033   gr330->SetMarkerSize(.5);
1034   titlegraph1="NTracks without 2 SPD points for ";
1035   //titlegraph1="d_{0}(r#phi) Resolution for ";
1036   titlegraph1.Append(partforgraph);
1037   //    titlegraph1.Append(" using True Vertex");
1038   gr330->SetTitle(titlegraph1);
1039   gr330->GetXaxis()->SetTitle("p_{t} [GeV/c] ");
1040   gr330->GetYaxis()->SetTitle("");
1041   gr330->Draw("AP");
1042
1043   fitting2->cd(4);
1044   // gPad->SetLogy();
1045   gPad->SetLogx();
1046   gPad->SetGridx();
1047   gPad->SetGridy();
1048   grSSD = new TGraphErrors(nPtBins,meanpt,nSSD,errx,sigmnSSD);
1049   grSSD->SetName("mygraphSSD");
1050   grSSD->SetLineColor(1);
1051   grSSD->SetLineWidth(1);
1052   grSSD->SetMarkerColor(4);
1053   grSSD->SetMarkerStyle(21);
1054   grSSD->SetMarkerSize(.5);
1055   titlegraph1="NTracks without one SSD point for ";
1056   //titlegraph1="d_{0}(r#phi) Resolution for ";
1057   titlegraph1.Append(partforgraph);
1058   //    titlegraph1.Append(" using True Vertex");
1059   grSSD->SetTitle(titlegraph1);
1060   grSSD->GetXaxis()->SetTitle("p_{t} [GeV/c] ");
1061   grSSD->GetYaxis()->SetTitle("");
1062   grSSD->Draw("AP");
1063
1064   fitting2->cd(5);
1065   // gPad->SetLogy();
1066   gPad->SetLogx();
1067   gPad->SetGridx();
1068   gPad->SetGridy();
1069   grSDD = new TGraphErrors(nPtBins,meanpt,nSDD,errx,sigmnSDD);
1070   grSDD->SetName("mygraphSDD");
1071   grSDD->SetLineColor(1);
1072   grSDD->SetLineWidth(1);
1073   grSDD->SetMarkerColor(4);
1074   grSDD->SetMarkerStyle(21);
1075   grSDD->SetMarkerSize(.5);
1076   titlegraph1="NTracks without one SDD point for ";
1077   //titlegraph1="d_{0}(r#phi) Resolution for ";
1078   titlegraph1.Append(partforgraph);
1079   //    titlegraph1.Append(" using True Vertex");
1080   grSDD->SetTitle(titlegraph1);
1081   grSDD->GetXaxis()->SetTitle("p_{t} [GeV/c] ");
1082   grSDD->GetYaxis()->SetTitle("");
1083   grSDD->Draw("AP");
1084
1085   fitting2->cd(6);
1086   // gPad->SetLogy();
1087   gPad->SetLogx();
1088   gPad->SetGridx();
1089   gPad->SetGridy();
1090   grOTHERS = new TGraphErrors(nPtBins,meanpt,nOTHERS,errx,sigmnOTHERS);
1091   grOTHERS->SetName("mygraphOTHERS");
1092   grOTHERS->SetLineColor(1);
1093   grOTHERS->SetLineWidth(1);
1094   grOTHERS->SetMarkerColor(4);
1095   grOTHERS->SetMarkerStyle(21);
1096   grOTHERS->SetMarkerSize(.5);
1097   titlegraph1="NTracks with 4 points (2 SPD+ ?)for ";
1098   //titlegraph1="d_{0}(r#phi) Resolution for ";
1099   titlegraph1.Append(partforgraph);
1100   //    titlegraph1.Append(" using True Vertex");
1101   grOTHERS->SetTitle(titlegraph1);
1102   grOTHERS->GetXaxis()->SetTitle("p_{t} [GeV/c] ");
1103   grOTHERS->GetYaxis()->SetTitle("");
1104   grOTHERS->Draw("AP");
1105
1106   ceff0->cd();
1107   gr330->Draw("p");
1108   gr331->Draw("p");
1109   gr332->Draw("p");
1110   grSSD->Draw("p");
1111   grSDD->Draw("p");
1112   //  gr313->Draw("p");
1113   // gr323->Draw("p");
1114   //gr133->Draw("p");
1115   //gr233->Draw("p");
1116
1117
1118   //---------CLOSE EVRYTHING AND SAVE------------
1119   TFile *outfile = new TFile("EfficienciesAnalysis.root","recreate");
1120   gr4->Write();
1121   gr5->Write();
1122   gr6->Write();
1123   gr456->Write();
1124   gr4toGen->Write();
1125   gr5toGen->Write();
1126   gr6toGen->Write();
1127   gr456toGen->Write();
1128   grTPCtoGen->Write();
1129   gr4to6cls->Write();
1130   gr5to6cls->Write();
1131   gr6to6cls->Write();
1132   //gr456to6cls->Write();
1133   //gr330->Write();
1134   //gr331->Write();
1135   //gr332->Write();
1136   //gr323->Write();
1137   //gr313->Write();
1138   //gr133->Write();
1139   //gr233->Write();
1140   //grOTHERS->Write();
1141   //grSPD->Write();
1142   //grSSD->Write();
1143   //grSDD->Write();
1144   outfile->Close();
1145
1146
1147   printf("Number of fakes: %d\n",nfakes);
1148   return;
1149 }
1150 //--------------------------------------------------------------------------
1151 Int_t ITSnCluster(Int_t ITSf)
1152 {
1153   Int_t sign,aITSf,n0,n3,aux,ITSsel;//be careful!:working with integer!
1154   n0=0;
1155   n3=0;
1156   aITSf=TMath::Abs(ITSf);
1157   if(aITSf==0)sign=0;
1158   else if (aITSf==ITSf)sign=1;
1159   else if(aITSf==-ITSf)sign=-1;
1160
1161   if (aITSf/100<1)n0++;
1162   n3=aITSf/300;
1163   aux=(aITSf-(aITSf/100)*100);
1164   if(aux/10<1)n0++;
1165   n3+=aux/30;
1166   aux=(aux-(aux/10)*10);
1167   if (aux==0)n0++;
1168   n3+=aux/3;
1169   ITSsel=3+n3-n0;
1170
1171   if(ITSsel>6) {
1172     cout<<"Wrong ITSflag assignment!"<<endl;
1173     return 99;
1174   }
1175
1176   return ITSsel*sign;
1177 }
1178 //----------------------------------------------------------------------------