HMPID/Hdisp.C

   1 #include <TSystem.h>
   2 #include <TFile.h>
   3 #include <TTree.h>
   4 #include <TButton.h>
   5 #include <TCanvas.h>
   6 #include <TClonesArray.h>
   7 #include <TParticle.h>
   8 #include <TRandom.h>
   9 #include <TLatex.h>
  10 #include <TLegend.h>
  11 #include <TPolyMarker.h>
  12 #include <TBox.h>
  13 #include <AliESD.h>
  14 #include <AliCDBManager.h>
  15 #include <AliCDBEntry.h>
  16 #include "AliHMPIDHit.h"
  17 #include "AliHMPIDv2.h"
  18 #include "AliHMPIDReconstructor.h"
  19 #include "AliHMPIDRecon.h"
  20 #include "AliHMPIDParam.h"
  21 #include "AliHMPIDCluster.h"
  22 #include <TChain.h>
  23
  24 TCanvas *fCanvas=0; Int_t fType=3; Int_t fEvt=0; Int_t fNevt=0;
  25 TFile *fHitFile; TTree *fHitTree; TClonesArray *fHitLst; TPolyMarker *fRenMip[7]; TPolyMarker *fRenCko[7]; TPolyMarker *fRenFee[7];
  26                                   TClonesArray *fSdiLst;
  27 TFile *fDigFile; TTree *fDigTree; TObjArray    *fDigLst; TPolyMarker *fRenDig[7];
  28 TFile *fCluFile; TTree *fCluTree; TObjArray    *fCluLst; TPolyMarker *fRenClu[7];
  29 TFile *fEsdFile; TTree *fEsdTree;  AliESD      *fEsd;    TPolyMarker *fRenTxC[7]; TPolyMarker *fRenRin[7];
  30 TFile *fCosFile; TTree *fCosTree;
  31
  32 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  33 void CreateContainers()
  34 {//to create all containers
  35   fHitLst=new TClonesArray("AliHMPIDHit");
  36   fSdiLst=new TClonesArray("AliHMPIDDigit");
  37   fDigLst=new TObjArray(7); for(Int_t i=0;i<7;i++) fDigLst->AddAt(new TClonesArray("AliHMPIDDigit"),i);       fDigLst->SetOwner(kTRUE);
  38   fCluLst=new TObjArray(7); for(Int_t i=0;i<7;i++) fCluLst->AddAt(new TClonesArray("AliHMPIDCluster"),i);     fCluLst->SetOwner(kTRUE);
  39   fEsd   =new AliESD;
  40 }
  41 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  42 void CreateRenders()
  43 {
  44   for(Int_t ch=0;ch<7;ch++){
  45     fRenMip[ch]=new TPolyMarker; fRenMip[ch]->SetMarkerStyle(kOpenTriangleUp);  fRenMip[ch]->SetMarkerColor(kRed);
  46     fRenCko[ch]=new TPolyMarker; fRenCko[ch]->SetMarkerStyle(kOpenCircle);      fRenCko[ch]->SetMarkerColor(kRed);
  47     fRenFee[ch]=new TPolyMarker; fRenFee[ch]->SetMarkerStyle(kOpenDiamond);     fRenFee[ch]->SetMarkerColor(kRed);
  48     fRenDig[ch]=new TPolyMarker; fRenDig[ch]->SetMarkerStyle(kOpenSquare);      fRenDig[ch]->SetMarkerColor(kGreen);
  49     fRenClu[ch]=new TPolyMarker; fRenClu[ch]->SetMarkerStyle(kStar);            fRenClu[ch]->SetMarkerColor(kBlue);
  50     fRenTxC[ch]=new TPolyMarker; fRenTxC[ch]->SetMarkerStyle(kPlus);            fRenTxC[ch]->SetMarkerColor(kRed);      fRenTxC[ch]->SetMarkerSize(3);
  51     fRenRin[ch]=new TPolyMarker; fRenRin[ch]->SetMarkerStyle(kFullDotSmall);    fRenRin[ch]->SetMarkerColor(kMagenta);
  52   }
  53 }//CreateRenders()
  54 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  55 void ClearRenders()
  56 {
  57   for(Int_t ch=0;ch<7;ch++){
  58     fRenTxC[ch]->SetPolyMarker(0);
  59     fRenRin[ch]->SetPolyMarker(0);
  60     fRenMip[ch]->SetPolyMarker(0);
  61     fRenCko[ch]->SetPolyMarker(0);
  62     fRenFee[ch]->SetPolyMarker(0);
  63     fRenDig[ch]->SetPolyMarker(0);
  64     fRenClu[ch]->SetPolyMarker(0);
  65   }
  66 }//ClearRenders()
  67 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  68 void PrintHits()
  69 {
  70 //Prints a list of HMPID hits for a given event. Default is event number 0.
  71   if(!fHitTree) return;
  72   Printf("List of HMPID hits for event %i",fEvt);
  73   Int_t iTot=0;
  74   for(Int_t iEnt=0;iEnt<fHitTree->GetEntries();iEnt++){//entries loop
  75     fHitTree->GetEntry(iEnt);
  76     fHitLst->Print();
  77     iTot+=fHitLst->GetEntries();
  78   }
  79   Printf("totally %i hits for event %i",iTot,fEvt);
  80 }//PrintHits();
  81 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  82 void PrintSdis()
  83 {//prints a list of HMPID sdigits  for a given event
  84   Printf("List of HMPID sdigits for event %i",fEvt);
  85   fSdiLst->Print();
  86   Printf("totally %i sdigits for event %i",fSdiLst->GetEntries(),fEvt);
  87 }//PrintSdis()
  88 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  89 void PrintDigs()
  90 {//prints a list of HMPID digits
  91   Printf("List of HMPID digits for event %i",fEvt);
  92   fDigLst->Print();
  93   Int_t iTot=0;  for(Int_t i=0;i<7;i++) {iTot+=((TClonesArray*)fDigLst->At(i))->GetEntries();}
  94   Printf("totally %i digits for event %i",iTot,fEvt);
  95 }
  96 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  97 void PrintClus()
  98 {//prints a list of HMPID clusters  for a given event
  99   Printf("List of HMPID clusters for event %i",fEvt);
 100
 101   fCluLst->Print();
 102   Int_t iTot=0; for(Int_t iCh=0;iCh<7;iCh++) iTot+=((TClonesArray*)fCluLst->At(iCh))->GetEntries();
 103
 104   Printf("totally %i clusters for event %i",iTot,fEvt);
 105 }
 106 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 107 void PrintEsd()
 108 {//prints a list of HMPID Esd  for a given event
 109   Printf("List of HMPID ESD summary for event %i",fEvt);
 110   for(Int_t iTrk=0;iTrk<fEsd->GetNumberOfTracks();iTrk++){
 111     AliESDtrack *pTrk = fEsd->GetTrack(iTrk);
 112     Float_t x,y;Int_t q,nacc;   pTrk->GetHMPIDmip(x,y,q,nacc);
 113     Printf("Track %02i with p %7.2f with ThetaCer %5.3f with %i photons",iTrk,pTrk->GetP(),pTrk->GetHMPIDsignal(),nacc);
 114   }
 115 }//PrintEsd()
 116 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 117 void DrawChamber(Int_t iCh)
 118 {//used by Draw() to Draw() chamber structure
 119   gPad->Range(-10,-10,AliHMPIDDigit::SizeAllX()+5,AliHMPIDDigit::SizeAllY()+5);
 120   if(iCh>=0){TLatex txt; txt.SetTextSize(0.1); txt.DrawLatex(-5,-5,Form("%i",iCh));}
 121
 122   for(Int_t iPc=AliHMPIDDigit::kMinPc;iPc<=AliHMPIDDigit::kMaxPc;iPc++){
 123     TBox *pBox=new TBox(AliHMPIDDigit::MinPcX(iPc),AliHMPIDDigit::MinPcY(iPc),
 124                         AliHMPIDDigit::MaxPcX(iPc),AliHMPIDDigit::MaxPcY(iPc));
 125     pBox->SetFillStyle(0);  pBox->Draw();
 126   }//PC loop
 127 }//DrawChamber()
 128 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 129 void DrawLegend()
 130 {//used by Draw() to draw legend
 131   Int_t nTxC=0,nMip=0,nCko=0,nFee=0,nDig=0,nClu=0;
 132   for(Int_t ch=0;ch<7;ch++){
 133     nTxC+=fRenTxC[ch]->GetN();
 134     nMip+=fRenMip[ch]->GetN();
 135     nCko+=fRenCko[ch]->GetN();
 136     nFee+=fRenFee[ch]->GetN();
 137     nDig+=fRenDig[ch]->GetN();
 138     nClu+=fRenClu[ch]->GetN();
 139   }
 140   TLegend *pLeg=new TLegend(0.2,0.2,0.8,0.8);
 141   pLeg->SetHeader(Form("Event %i Total %i",fEvt,fNevt));
 142   pLeg->AddEntry(fRenTxC[0],Form("TRKxPC %i"     ,nTxC),"p");
 143   pLeg->AddEntry(fRenMip[0],Form("Mip hits %i"   ,nMip),"p");
 144   pLeg->AddEntry(fRenCko[0],Form("Ckov hits %i"  ,nCko),"p");
 145   pLeg->AddEntry(fRenFee[0],Form("Feed hits %i"  ,nFee),"p");
 146   pLeg->AddEntry(fRenDig[0],Form("Digs %i"       ,nDig),"p");
 147   pLeg->AddEntry(fRenClu[0],Form("Clus %i"       ,nClu),"p");
 148   pLeg->Draw();
 149 }//DrawLegend()
 150 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 151 void Draw()
 152 {//draws all the objects of current event in given canvas
 153   for(Int_t iCh=0;iCh<7;iCh++){//chambers loop
 154     switch(iCh){
 155       case 6: fCanvas->cd(1); break; case 5: fCanvas->cd(2); break;
 156       case 4: fCanvas->cd(4); break; case 3: fCanvas->cd(5); break; case 2: fCanvas->cd(6); break;
 157                                      case 1: fCanvas->cd(8); break; case 0: fCanvas->cd(9); break;
 158     }
 159     gPad->SetEditable(kTRUE); gPad->Clear(); DrawChamber(iCh);
 160     fRenTxC[iCh]->Draw();
 161     fRenMip[iCh]->Draw();
 162     fRenFee[iCh]->Draw();
 163     fRenCko[iCh]->Draw();
 164     fRenRin[iCh]->Draw("CLP");
 165     fRenDig[iCh]->Draw();
 166     fRenClu[iCh]->Draw();
 167     gPad->SetEditable(kFALSE);
 168   }//chambers loop
 169
 170   fCanvas->cd(3);  gPad->Clear(); DrawLegend();
 171 }//Draw()
 172 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 173 void RenderHit(TClonesArray *pHitLst)
 174 {//used by ReadEvent() and SimulateEvent() to render hits to polymarker structures, one per chamber
 175   for(Int_t iHit=0;iHit<pHitLst->GetEntries();iHit++){       //hits loop
 176     AliHMPIDHit *pHit = (AliHMPIDHit*)pHitLst->At(iHit); Int_t ch=pHit->Ch(); Float_t x=pHit->LorsX(); Float_t y=pHit->LorsY();    //get current hit
 177     switch(pHit->Pid()){
 178       case 50000050: fRenCko[ch]->SetNextPoint(x,y);break;
 179       case 50000051: fRenFee[ch]->SetNextPoint(x,y);break;
 180       default:       fRenMip[ch]->SetNextPoint(x,y);break;
 181     }//switch hit PID
 182   }//hits loop for this entry
 183 }//RenderHits()
 184 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 185 void RenderClu(TObjArray *pClus,TPolyMarker **pMark)
 186 {//used by ReadEvent() and SimulateEvent() to render clusters to polymarker structures, one per chamber
 187   for(Int_t iCh=0;iCh<=6;iCh++){                                     //chambers loop
 188     TClonesArray *pClusCham=(TClonesArray*)pClus->At(iCh);           //get clusters list for this chamber
 189     for(Int_t iClu=0;iClu<pClusCham->GetEntries();iClu++){           //clusters loop
 190       AliHMPIDCluster *pClu = (AliHMPIDCluster*)pClusCham->At(iClu); //get current cluster
 191       pMark[iCh]->SetNextPoint(pClu->X(),pClu->Y());
 192     }//switch hit PID
 193   }//hits loop for this entry
 194 }//RenderClus()
 195 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 196 void RenderEsd(AliESD *pEsd)
 197 {//used by ReadEvent() or SimulateEvent() to render ESD to polymarker structures for rings and intersections one per chamber
 198   AliHMPIDRecon rec;
 199   for(Int_t iTrk=0;iTrk<pEsd->GetNumberOfTracks();iTrk++){//tracks loop to collect cerenkov rings and intersection points
 200     AliESDtrack *pTrk=pEsd->GetTrack(iTrk);    Int_t ch=pTrk->GetHMPIDcluIdx(); //get track and chamber intersected by it
 201     if(ch<0) continue;                                                          //this track does not intersect any chamber
 202     Float_t thRa,phRa,xRa,yRa; pTrk->GetHMPIDtrk(xRa,yRa,thRa,phRa);            //get info on current track
 203     ch/=1000000;                                                                //actual chamber number
 204     Float_t xPc=0,yPc=0; AliHMPIDTracker::IntTrkCha(pTrk,xPc,yPc);              //find again intersection of track with PC--> it is not stored in ESD!
 205     fRenTxC[ch]->SetNextPoint(xPc,yPc);                                            //add this intersection point
 206     Float_t ckov=pTrk->GetHMPIDsignal();                                        //get ckov angle stored for this track
 207     if(ckov>0){
 208       rec.SetTrack(xRa,yRa,thRa,phRa);
 209       for(Int_t j=0;j<100;j++){
 210         TVector2 pos; pos=rec.TracePhot(ckov,j*0.0628);
 211        if(!AliHMPIDDigit::IsInDead(pos.X(),pos.Y())) fRenRin[ch]->SetNextPoint(pos.X(),pos.Y());
 212       }
 213     }//if ckov is valid
 214   }//tracks loop
 215 }//RenEsd()
 216 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 217 void SimulateEsd(AliESD *pEsd)
 218 {
 219   TParticle part; TLorentzVector mom;
 220   for(Int_t iTrk=0;iTrk<100;iTrk++){//stack loop
 221     part.SetPdgCode(kProton);
 222     part.SetProductionVertex(0,0,0,0);
 223     Double_t eta= -0.2+gRandom->Rndm()*0.4; //rapidity is random [-0.2,+0.2]
 224     Double_t phi= gRandom->Rndm()*60.*TMath::DegToRad();   //phi is random      [ 0  , 60 ] degrees
 225     mom.SetPtEtaPhiM(5,eta,phi,part.GetMass());
 226     part.SetMomentum(mom);
 227     AliESDtrack trk(&part);
 228     pEsd->AddTrack(&trk);
 229   }//stack loop
 230 }//EsdFromStack()
 231 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 232 void SimulateHits(AliESD *pEsd, TClonesArray *pHits)
 233 {//used by SimulateEvent to simulate hits out from provided ESD
 234   const Int_t kCerenkov=50000050;
 235   const Int_t kFeedback=50000051;
 236
 237   AliHMPIDRecon rec;
 238   Float_t eMip=200e-9,ePho=7.5e-9;
 239   Int_t hc=0;
 240   for(Int_t iTrk=0;iTrk<pEsd->GetNumberOfTracks();iTrk++){//tracks loop
 241     AliESDtrack *pTrk=pEsd->GetTrack(iTrk);
 242     Float_t xRa,yRa;
 243     Int_t ch=AliHMPIDTracker::IntTrkCha(pTrk,xRa,yRa);
 244     if(ch<0) continue; //this track does not hit HMPID
 245     Float_t beta = pTrk->GetP()/(TMath::Sqrt(pTrk->GetP()*pTrk->GetP()+0.938*0.938));
 246     Float_t ckov=TMath::ACos(1./(beta*1.292));
 247
 248     Float_t theta,phi,xPc,yPc,; pTrk->GetHMPIDtrk(xPc,yPc,theta,phi); rec.SetTrack(xRa,yRa,theta,phi);
 249
 250     if(!AliHMPIDDigit::IsInDead(xPc,yPc)) new((*pHits)[hc++]) AliHMPIDHit(ch,eMip,kProton  ,iTrk,xPc,yPc);                 //mip hit
 251     Int_t nPhots = (Int_t)(20.*TMath::Power(TMath::Sin(ckov),2)/TMath::Power(TMath::Sin(TMath::ACos(1./1.292)),2));
 252     for(int i=0;i<nPhots;i++){
 253       TVector2 pos;
 254       pos=rec.TracePhot(ckov,gRandom->Rndm()*TMath::TwoPi());
 255       if(!AliHMPIDDigit::IsInDead(pos.X(),pos.Y())) new((*pHits)[hc++]) AliHMPIDHit(ch,ePho,kCerenkov,iTrk,pos.X(),pos.Y());
 256     }                      //photon hits
 257     for(int i=0;i<3;i++){//feedback photons
 258       Float_t x=gRandom->Rndm()*160; Float_t y=gRandom->Rndm()*150;
 259       if(!AliHMPIDDigit::IsInDead(x,y)) new((*pHits)[hc++]) AliHMPIDHit(ch,ePho,kFeedback,iTrk,x,y);                 //feedback hits
 260     }//photon hits loop
 261   }//tracks loop
 262 }//SimulateHits()
 263 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 264 void DoZoom(Int_t evt, Int_t px, Int_t py, TObject *)
 265 {
 266   if(evt!=5 && evt!=6) return; //5- zoom in 6-zoom out
 267   const Int_t minZoom=64;
 268   const Int_t maxZoom=2;
 269   static Int_t zoom=minZoom; //zoom level
 270   if(evt==5&&zoom==maxZoom) return;
 271   if(evt==6&&zoom==minZoom) return;
 272
 273  // if(!obj->IsA()->InheritsFrom("TPad")) return;  //current object is not pad
 274   TVirtualPad *pPad=gPad->GetSelectedPad();
 275   if(pPad->GetNumber()==3 || pPad->GetNumber()==7) return; //current pad is wrong
 276
 277  // Printf("evt=%i (%i,%i) %s",evt,px,py,obj->GetName());
 278
 279   Float_t x=pPad->AbsPixeltoX(px); Float_t y=pPad->AbsPixeltoY(py);
 280
 281   if(evt==5){ zoom=zoom/2;     pPad->Range(x-zoom*2,y-zoom*2,x+zoom*2,y+zoom*2);} //zoom in
 282   else      { zoom=zoom*2;     pPad->Range(x-zoom*2,y-zoom*2,x+zoom*2,y+zoom*2);} //zoom out
 283   if(zoom==minZoom) pPad->Range(-10,-10,AliHMPIDDigit::SizeAllX()+5,AliHMPIDDigit::SizeAllY()+5);
 284   ((TCanvas *)gTQSender)->SetTitle(Form("zoom x%i",minZoom/zoom));
 285   pPad->Modified();
 286   pPad->Update();
 287 }
 288 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 289 void ReadEvent()
 290 {//used by NextEvent()  to read curent event and construct all render elements
 291   if(fNevt && fEvt>=fNevt) fEvt=0; //loop over max event
 292
 293   if(fHitFile){
 294     if(fHitTree) delete fHitTree;   fHitTree=(TTree*)fHitFile->Get(Form("Event%i/TreeH",fEvt));
 295
 296                           fHitTree->SetBranchAddress("HMPID",&fHitLst);
 297     for(Int_t iEnt=0;iEnt<fHitTree->GetEntries();iEnt++){
 298                           fHitTree->GetEntry(iEnt);
 299       RenderHit(fHitLst);
 300     }//prim loop
 301   }//if hits file
 302
 303   if(fCluFile){
 304     if(fCluTree) delete fCluTree; fCluTree=(TTree*)fCluFile->Get(Form("Event%i/TreeR",fEvt));
 305     for(Int_t iCh=AliHMPIDDigit::kMinCh;iCh<=AliHMPIDDigit::kMaxCh;iCh++) fCluTree->SetBranchAddress(Form("HMPID%i",iCh),&(*fCluLst)[iCh]);
 306     fCluTree->GetEntry(0);
 307     RenderClu(fCluLst,fRenClu);
 308   }//if clus file
 309
 310   if(fEsdFile){//if ESD file open
 311     fEsdTree->GetEntry(fEvt);
 312     RenderEsd(fEsd);
 313   }//if ESD file
 314 }//ReadEvent()
 315 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 316 void SimulateEvent()
 317 {// used by NextEvent() to simulate all info
 318   AliCDBManager* pCDB = AliCDBManager::Instance();  pCDB->SetDefaultStorage("local://$HOME"); pCDB->SetRun(0);
 319   AliCDBEntry *pNmeanEnt=pCDB->Get("HMPID/Calib/Nmean");
 320
 321   SimulateEsd(fEsd);
 322   SimulateHits(fEsd,fHitLst);
 323                  AliHMPIDv2::Hit2Sdi(fHitLst,fSdiLst);
 324           AliHMPIDDigitizer::Sdi2Dig(fSdiLst,fDigLst);
 325       AliHMPIDReconstructor::Dig2Clu(fDigLst,fCluLst);
 326             AliHMPIDTracker::Recon(fEsd,fCluLst,(TObjArray*)pNmeanEnt->GetObject());
 327
 328   RenderHit(fHitLst);
 329   RenderClu(fCluLst,fRenClu);
 330   RenderEsd(fEsd);
 331 }//SimulateEvent()
 332 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 333 void NextEvent()
 334 {
 335   fEvt++;
 336   ClearRenders();
 337   switch(fType){
 338     case 1: ReadEvent();break;
 339 //    case 2: ReadCosmic(); break;
 340     case 3: SimulateEvent();     break;
 341     default:                 return;
 342   }
 343   Draw();
 344 }
 345 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 346 void Hdisp()
 347 {//display events from files if any in current directory or simulated events
 348   CreateContainers();
 349   CreateRenders();
 350
 351   TString title="Session with";
 352   if(gSystem->IsFileInIncludePath("HMPID.Hits.root")){// tries to open hits
 353     fHitFile=TFile::Open("HMPID.Hits.root");       fNevt=fHitFile->GetNkeys(); fType=1; title+=Form(" HITS-%i ",fNevt);
 354   }
 355
 356   if(gSystem->IsFileInIncludePath("HMPID.Digits.root")){// tries to open clusters
 357     fDigFile=TFile::Open("HMPID.Digits.root");  fNevt=fDigFile->GetNkeys(); fType=1;  title+=Form(" DIGITS-%i ",fNevt);
 358   }
 359
 360   if(gSystem->IsFileInIncludePath("HMPID.RecPoints.root")){// tries to open clusters
 361     fCluFile=TFile::Open("HMPID.RecPoints.root");  fNevt=fCluFile->GetNkeys(); fType=1;  title+=Form(" CLUSTERS-%i ",fNevt);
 362   }
 363
 364   if(gSystem->IsFileInIncludePath("AliESDs.root")){
 365     fEsdFile=TFile::Open("AliESDs.root"); fEsdTree=(TTree*)fEsdFile->Get("esdTree");  fNevt=fEsdTree->GetEntries(); fType=1;  title+=Form(" ESD-%i ",fNevt);
 366                                           fEsdTree->SetBranchAddress("ESD", &fEsd);
 367   }
 368
 369   if(gSystem->IsFileInIncludePath("cosmic.root")){                          //clm: Check if cosmic file is in the folder
 370     fCosFile=TFile::Open("cosmic.root");  fCosTree=(TTree*)fCosFile->Get("cosmic");  fNevt=fCosTree->GetEntries();  fType=2;
 371     fCosTree->SetBranchAddress("Digs",&fDigLst);   fCosTree->SetBranchAddress("Clus",&fCluLst);
 372   }
 373
 374   fCanvas=new TCanvas("all","",600,400); fCanvas->Divide(3,3,0,0);//  pAll->ToggleEditor();
 375   fCanvas->Connect("ProcessedEvent(Int_t,Int_t,Int_t,TObject*)",0,0,"DoZoom(Int_t,Int_t,Int_t,TObject*)");
 376   fCanvas->cd(7);
 377   switch(fType){
 378     case 1: fCanvas->SetTitle(title.Data());
 379                          TButton *pNxtBtn=new TButton("Next"      ,"NextEvent()",0.0,0.0,0.3,0.1); pNxtBtn->Draw();
 380             if(fHitFile){TButton *pHitBtn=new TButton("Print hits","PrintHits()",0.0,0.2,0.3,0.3); pHitBtn->Draw();}
 381             if(fDigFile){TButton *pDigBtn=new TButton("Print digs","PrintDigs()",0.0,0.4,0.3,0.5); pDigBtn->Draw();}
 382             if(fCluFile){TButton *pCluBtn=new TButton("Print clus","PrintClus()",0.0,0.6,0.3,0.7); pCluBtn->Draw();}
 383             if(fEsdFile){TButton *pEsdBtn=new TButton("Print ESD" ,"PrintEsd()" ,0.0,0.8,0.3,0.9); pEsdBtn->Draw();}
 384
 385     break;
 386     case 2: fCanvas->SetTitle("COSMIC");
 387                          TButton *pCosBtn=new TButton("Next"      ,"NextEvent()",0.0,0.0,0.3,0.1); pCosBtn->Draw();
 388
 389     break;
 390     case 3: fCanvas->SetTitle("SIMULATION");
 391             TButton *pSimBtn=new TButton("Simulate"  ,"NextEvent()",0.0,0.0,0.3,0.1); pSimBtn->Draw();
 392             TButton *pHitBtn=new TButton("Print hits","PrintHits()",0.0,0.2,0.3,0.3); pHitBtn->Draw();
 393             TButton *pDigBtn=new TButton("Print digs","PrintDigs()",0.0,0.4,0.3,0.5); pDigBtn->Draw();
 394             TButton *pCluBtn=new TButton("Print clus","PrintClus()",0.0,0.6,0.3,0.7); pCluBtn->Draw();
 395             TButton *pEsdBtn=new TButton("Print ESD" ,"PrintEsd()" ,0.0,0.8,0.3,0.9); pEsdBtn->Draw();
 396     break;
 397   }
 398
 399
 400   NextEvent();
 401
 402
 403 }//Hdisp()
 404 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++