HMPID/Hdisp.C

   1 #if !defined(__CINT__) || defined(__MAKECINT__)
   2
   3 #include <TSystem.h>
   4 #include <TFile.h>
   5 #include <TTree.h>
   6 #include <TButton.h>
   7 #include <TCanvas.h>
   8 #include <TClonesArray.h>
   9 #include <TParticle.h>
  10 #include <TRandom.h>
  11 #include <TLatex.h>
  12 #include <TLegend.h>
  13 #include <TPolyMarker.h>
  14 #include <TBox.h>
  15 #include <AliESD.h>
  16 #include <AliCDBManager.h>
  17 #include <AliCDBEntry.h>
  18 #include "AliHMPIDHit.h"
  19 #include "AliHMPIDv2.h"
  20 #include "AliHMPIDReconstructor.h"
  21 #include "AliHMPIDRecon.h"
  22 #include "AliHMPIDParam.h"
  23 #include "AliHMPIDCluster.h"
  24 #include <TChain.h>
  25
  26 #endif
  27
  28 TCanvas *fCanvas=0; Int_t fType=3; Int_t fEvt=0; Int_t fNevt=0;
  29 TFile *fHitFile; TTree *fHitTree; TClonesArray *fHitLst; TPolyMarker *fRenMip[7]; TPolyMarker *fRenCko[7]; TPolyMarker *fRenFee[7];
  30                                   TClonesArray *fSdiLst;
  31 TFile *fDigFile; TTree *fDigTree; TObjArray    *fDigLst; TPolyMarker *fRenDig[7];
  32 TFile *fCluFile; TTree *fCluTree; TObjArray    *fCluLst; TPolyMarker *fRenClu[7];
  33 TFile *fEsdFile; TTree *fEsdTree;  AliESD      *fEsd;    TPolyMarker *fRenTxC[7]; TPolyMarker *fRenRin[7];
  34 TFile *fCosFile; TTree *fCosTree;
  35
  36 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  37 void CreateContainers()
  38 {//to create all containers
  39   fHitLst=new TClonesArray("AliHMPIDHit");
  40   fSdiLst=new TClonesArray("AliHMPIDDigit");
  41   fDigLst=new TObjArray(7); for(Int_t i=0;i<7;i++) fDigLst->AddAt(new TClonesArray("AliHMPIDDigit"),i);       fDigLst->SetOwner(kTRUE);
  42   fCluLst=new TObjArray(7); for(Int_t i=0;i<7;i++) fCluLst->AddAt(new TClonesArray("AliHMPIDCluster"),i);     fCluLst->SetOwner(kTRUE);
  43   fEsd   =new AliESD;
  44 }
  45 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  46 void CreateRenders()
  47 {
  48   for(Int_t ch=0;ch<7;ch++){
  49     fRenMip[ch]=new TPolyMarker; fRenMip[ch]->SetMarkerStyle(kOpenTriangleUp);  fRenMip[ch]->SetMarkerColor(kRed);
  50     fRenCko[ch]=new TPolyMarker; fRenCko[ch]->SetMarkerStyle(kOpenCircle);      fRenCko[ch]->SetMarkerColor(kRed);
  51     fRenFee[ch]=new TPolyMarker; fRenFee[ch]->SetMarkerStyle(kOpenDiamond);     fRenFee[ch]->SetMarkerColor(kRed);
  52     fRenDig[ch]=new TPolyMarker; fRenDig[ch]->SetMarkerStyle(kOpenSquare);      fRenDig[ch]->SetMarkerColor(kGreen);
  53     fRenClu[ch]=new TPolyMarker; fRenClu[ch]->SetMarkerStyle(kStar);            fRenClu[ch]->SetMarkerColor(kBlue);
  54     fRenTxC[ch]=new TPolyMarker; fRenTxC[ch]->SetMarkerStyle(kPlus);            fRenTxC[ch]->SetMarkerColor(kRed);      fRenTxC[ch]->SetMarkerSize(3);
  55     fRenRin[ch]=new TPolyMarker; fRenRin[ch]->SetMarkerStyle(kFullDotSmall);    fRenRin[ch]->SetMarkerColor(kMagenta);
  56   }
  57 }//CreateRenders()
  58 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  59 void ClearRenders()
  60 {
  61   for(Int_t ch=0;ch<7;ch++){
  62     fRenTxC[ch]->SetPolyMarker(0);
  63     fRenRin[ch]->SetPolyMarker(0);
  64     fRenMip[ch]->SetPolyMarker(0);
  65     fRenCko[ch]->SetPolyMarker(0);
  66     fRenFee[ch]->SetPolyMarker(0);
  67     fRenDig[ch]->SetPolyMarker(0);
  68     fRenClu[ch]->SetPolyMarker(0);
  69   }
  70 }//ClearRenders()
  71 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  72 void PrintHits()
  73 {
  74 //Prints a list of HMPID hits for a given event. Default is event number 0.
  75   if(!fHitTree) return;
  76   Printf("List of HMPID hits for event %i",fEvt);
  77   Int_t iTot=0;
  78   for(Int_t iEnt=0;iEnt<fHitTree->GetEntries();iEnt++){//entries loop
  79     fHitTree->GetEntry(iEnt);
  80     fHitLst->Print();
  81     iTot+=fHitLst->GetEntries();
  82   }
  83   Printf("totally %i hits for event %i",iTot,fEvt);
  84 }//PrintHits();
  85 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  86 void PrintSdis()
  87 {//prints a list of HMPID sdigits  for a given event
  88   Printf("List of HMPID sdigits for event %i",fEvt);
  89   fSdiLst->Print();
  90   Printf("totally %i sdigits for event %i",fSdiLst->GetEntries(),fEvt);
  91 }//PrintSdis()
  92 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  93 void PrintDigs()
  94 {//prints a list of HMPID digits
  95   Printf("List of HMPID digits for event %i",fEvt);
  96   fDigLst->Print();
  97   Int_t iTot=0;  for(Int_t i=0;i<7;i++) {iTot+=((TClonesArray*)fDigLst->At(i))->GetEntries();}
  98   Printf("totally %i digits for event %i",iTot,fEvt);
  99 }
 100 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 101 void PrintClus()
 102 {//prints a list of HMPID clusters  for a given event
 103   Printf("List of HMPID clusters for event %i",fEvt);
 104
 105   fCluLst->Print();
 106   Int_t iTot=0; for(Int_t iCh=0;iCh<7;iCh++) iTot+=((TClonesArray*)fCluLst->At(iCh))->GetEntries();
 107
 108   Printf("totally %i clusters for event %i",iTot,fEvt);
 109 }
 110 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 111 void PrintEsd()
 112 {//prints a list of HMPID Esd  for a given event
 113   Printf("List of HMPID ESD summary for event %i",fEvt);
 114   for(Int_t iTrk=0;iTrk<fEsd->GetNumberOfTracks();iTrk++){
 115     AliESDtrack *pTrk = fEsd->GetTrack(iTrk);
 116     Float_t x,y;Int_t q,nacc;   pTrk->GetHMPIDmip(x,y,q,nacc);
 117     Printf("Track %02i with p %7.2f with ThetaCer %5.3f with %i photons",iTrk,pTrk->GetP(),pTrk->GetHMPIDsignal(),nacc);
 118   }
 119 }//PrintEsd()
 120 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 121 void DrawChamber(Int_t iCh)
 122 {//used by Draw() to Draw() chamber structure
 123   gPad->Range(-10,-10,AliHMPIDDigit::SizeAllX()+5,AliHMPIDDigit::SizeAllY()+5);
 124   if(iCh>=0){TLatex txt; txt.SetTextSize(0.1); txt.DrawLatex(-5,-5,Form("%i",iCh));}
 125
 126   for(Int_t iPc=AliHMPIDDigit::kMinPc;iPc<=AliHMPIDDigit::kMaxPc;iPc++){
 127     TBox *pBox=new TBox(AliHMPIDDigit::MinPcX(iPc),AliHMPIDDigit::MinPcY(iPc),
 128                         AliHMPIDDigit::MaxPcX(iPc),AliHMPIDDigit::MaxPcY(iPc));
 129     pBox->SetFillStyle(0);  pBox->Draw();
 130   }//PC loop
 131 }//DrawChamber()
 132 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 133 void DrawLegend()
 134 {//used by Draw() to draw legend
 135   Int_t nTxC=0,nMip=0,nCko=0,nFee=0,nDig=0,nClu=0;
 136   for(Int_t ch=0;ch<7;ch++){
 137     nTxC+=fRenTxC[ch]->GetN();
 138     nMip+=fRenMip[ch]->GetN();
 139     nCko+=fRenCko[ch]->GetN();
 140     nFee+=fRenFee[ch]->GetN();
 141     nDig+=fRenDig[ch]->GetN();
 142     nClu+=fRenClu[ch]->GetN();
 143   }
 144   TLegend *pLeg=new TLegend(0.2,0.2,0.8,0.8);
 145   pLeg->SetHeader(Form("Event %i Total %i",fEvt,fNevt));
 146   pLeg->AddEntry(fRenTxC[0],Form("TRKxPC %i"     ,nTxC),"p");
 147   pLeg->AddEntry(fRenMip[0],Form("Mip hits %i"   ,nMip),"p");
 148   pLeg->AddEntry(fRenCko[0],Form("Ckov hits %i"  ,nCko),"p");
 149   pLeg->AddEntry(fRenFee[0],Form("Feed hits %i"  ,nFee),"p");
 150   pLeg->AddEntry(fRenDig[0],Form("Digs %i"       ,nDig),"p");
 151   pLeg->AddEntry(fRenClu[0],Form("Clus %i"       ,nClu),"p");
 152   pLeg->Draw();
 153 }//DrawLegend()
 154 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 155 void Draw()
 156 {//draws all the objects of current event in given canvas
 157   for(Int_t iCh=0;iCh<7;iCh++){//chambers loop
 158     switch(iCh){
 159       case 6: fCanvas->cd(1); break; case 5: fCanvas->cd(2); break;
 160       case 4: fCanvas->cd(4); break; case 3: fCanvas->cd(5); break; case 2: fCanvas->cd(6); break;
 161                                      case 1: fCanvas->cd(8); break; case 0: fCanvas->cd(9); break;
 162     }
 163     gPad->SetEditable(kTRUE); gPad->Clear(); DrawChamber(iCh);
 164     fRenTxC[iCh]->Draw();
 165     fRenMip[iCh]->Draw();
 166     fRenFee[iCh]->Draw();
 167     fRenCko[iCh]->Draw();
 168     fRenRin[iCh]->Draw("CLP");
 169     fRenDig[iCh]->Draw();
 170     fRenClu[iCh]->Draw();
 171     gPad->SetEditable(kFALSE);
 172   }//chambers loop
 173
 174   fCanvas->cd(3);  gPad->Clear(); DrawLegend();
 175 }//Draw()
 176 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 177 void RenderHit(TClonesArray *pHitLst)
 178 {//used by ReadEvent() and SimulateEvent() to render hits to polymarker structures, one per chamber
 179   for(Int_t iHit=0;iHit<pHitLst->GetEntries();iHit++){       //hits loop
 180     AliHMPIDHit *pHit = (AliHMPIDHit*)pHitLst->At(iHit); Int_t ch=pHit->Ch(); Float_t x=pHit->LorsX(); Float_t y=pHit->LorsY();    //get current hit
 181     switch(pHit->Pid()){
 182       case 50000050: fRenCko[ch]->SetNextPoint(x,y);break;
 183       case 50000051: fRenFee[ch]->SetNextPoint(x,y);break;
 184       default:       fRenMip[ch]->SetNextPoint(x,y);break;
 185     }//switch hit PID
 186   }//hits loop for this entry
 187 }//RenderHits()
 188 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 189 void RenderClu(TObjArray *pClus,TPolyMarker **pMark)
 190 {//used by ReadEvent() and SimulateEvent() to render clusters to polymarker structures, one per chamber
 191   for(Int_t iCh=0;iCh<=6;iCh++){                                     //chambers loop
 192     TClonesArray *pClusCham=(TClonesArray*)pClus->At(iCh);           //get clusters list for this chamber
 193     for(Int_t iClu=0;iClu<pClusCham->GetEntries();iClu++){           //clusters loop
 194       AliHMPIDCluster *pClu = (AliHMPIDCluster*)pClusCham->At(iClu); //get current cluster
 195       pMark[iCh]->SetNextPoint(pClu->X(),pClu->Y());
 196     }//switch hit PID
 197   }//hits loop for this entry
 198 }//RenderClus()
 199 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 200 void RenderEsd(AliESD *pEsd)
 201 {//used by ReadEvent() or SimulateEvent() to render ESD to polymarker structures for rings and intersections one per chamber
 202   AliHMPIDRecon rec;
 203   for(Int_t iTrk=0;iTrk<pEsd->GetNumberOfTracks();iTrk++){//tracks loop to collect cerenkov rings and intersection points
 204     AliESDtrack *pTrk=pEsd->GetTrack(iTrk);    Int_t ch=pTrk->GetHMPIDcluIdx(); //get track and chamber intersected by it
 205     if(ch<0) continue;                                                          //this track does not intersect any chamber
 206     Float_t thRa,phRa,xRa,yRa; pTrk->GetHMPIDtrk(xRa,yRa,thRa,phRa);            //get info on current track
 207     ch/=1000000;                                                                //actual chamber number
 208     Float_t xPc=0,yPc=0; AliHMPIDTracker::IntTrkCha(pTrk,xPc,yPc);              //find again intersection of track with PC--> it is not stored in ESD!
 209     fRenTxC[ch]->SetNextPoint(xPc,yPc);                                            //add this intersection point
 210     Float_t ckov=pTrk->GetHMPIDsignal();                                        //get ckov angle stored for this track
 211     if(ckov>0){
 212       rec.SetTrack(xRa,yRa,thRa,phRa);
 213       for(Int_t j=0;j<100;j++){
 214         TVector2 pos; pos=rec.TracePhot(ckov,j*0.0628);
 215        if(!AliHMPIDDigit::IsInDead(pos.X(),pos.Y())) fRenRin[ch]->SetNextPoint(pos.X(),pos.Y());
 216       }
 217     }//if ckov is valid
 218   }//tracks loop
 219 }//RenEsd()
 220 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 221 void SimulateEsd(AliESD *pEsd)
 222 {
 223   TParticle part; TLorentzVector mom;
 224   for(Int_t iTrk=0;iTrk<100;iTrk++){//stack loop
 225     part.SetPdgCode(kProton);
 226     part.SetProductionVertex(0,0,0,0);
 227     Double_t eta= -0.2+gRandom->Rndm()*0.4; //rapidity is random [-0.2,+0.2]
 228     Double_t phi= gRandom->Rndm()*60.*TMath::DegToRad();   //phi is random      [ 0  , 60 ] degrees
 229     mom.SetPtEtaPhiM(5,eta,phi,part.GetMass());
 230     part.SetMomentum(mom);
 231     AliESDtrack trk(&part);
 232     pEsd->AddTrack(&trk);
 233   }//stack loop
 234 }//EsdFromStack()
 235 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 236 void SimulateHits(AliESD *pEsd, TClonesArray *pHits)
 237 {//used by SimulateEvent to simulate hits out from provided ESD
 238   const Int_t kCerenkov=50000050;
 239   const Int_t kFeedback=50000051;
 240
 241   AliHMPIDRecon rec;
 242   Float_t eMip=200e-9,ePho=7.5e-9;
 243   Int_t hc=0;
 244   for(Int_t iTrk=0;iTrk<pEsd->GetNumberOfTracks();iTrk++){//tracks loop
 245     AliESDtrack *pTrk=pEsd->GetTrack(iTrk);
 246     Float_t xRa,yRa;
 247     Int_t ch=AliHMPIDTracker::IntTrkCha(pTrk,xRa,yRa);
 248     if(ch<0) continue; //this track does not hit HMPID
 249     Float_t beta = pTrk->GetP()/(TMath::Sqrt(pTrk->GetP()*pTrk->GetP()+0.938*0.938));
 250     Float_t ckov=TMath::ACos(1./(beta*1.292));
 251
 252     Float_t theta,phi,xPc,yPc,; pTrk->GetHMPIDtrk(xPc,yPc,theta,phi); rec.SetTrack(xRa,yRa,theta,phi);
 253
 254     if(!AliHMPIDDigit::IsInDead(xPc,yPc)) new((*pHits)[hc++]) AliHMPIDHit(ch,eMip,kProton  ,iTrk,xPc,yPc);                 //mip hit
 255     Int_t nPhots = (Int_t)(20.*TMath::Power(TMath::Sin(ckov),2)/TMath::Power(TMath::Sin(TMath::ACos(1./1.292)),2));
 256     for(int i=0;i<nPhots;i++){
 257       TVector2 pos;
 258       pos=rec.TracePhot(ckov,gRandom->Rndm()*TMath::TwoPi());
 259       if(!AliHMPIDDigit::IsInDead(pos.X(),pos.Y())) new((*pHits)[hc++]) AliHMPIDHit(ch,ePho,kCerenkov,iTrk,pos.X(),pos.Y());
 260     }                      //photon hits
 261     for(int i=0;i<3;i++){//feedback photons
 262       Float_t x=gRandom->Rndm()*160; Float_t y=gRandom->Rndm()*150;
 263       if(!AliHMPIDDigit::IsInDead(x,y)) new((*pHits)[hc++]) AliHMPIDHit(ch,ePho,kFeedback,iTrk,x,y);                 //feedback hits
 264     }//photon hits loop
 265   }//tracks loop
 266 }//SimulateHits()
 267 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 268 void DoZoom(Int_t evt, Int_t px, Int_t py, TObject *)
 269 {
 270   if(evt!=5 && evt!=6) return; //5- zoom in 6-zoom out
 271   const Int_t minZoom=64;
 272   const Int_t maxZoom=2;
 273   static Int_t zoom=minZoom; //zoom level
 274   if(evt==5&&zoom==maxZoom) return;
 275   if(evt==6&&zoom==minZoom) return;
 276
 277  // if(!obj->IsA()->InheritsFrom("TPad")) return;  //current object is not pad
 278   TVirtualPad *pPad=gPad->GetSelectedPad();
 279   if(pPad->GetNumber()==3 || pPad->GetNumber()==7) return; //current pad is wrong
 280
 281  // Printf("evt=%i (%i,%i) %s",evt,px,py,obj->GetName());
 282
 283   Float_t x=pPad->AbsPixeltoX(px); Float_t y=pPad->AbsPixeltoY(py);
 284
 285   if(evt==5){ zoom=zoom/2;     pPad->Range(x-zoom*2,y-zoom*2,x+zoom*2,y+zoom*2);} //zoom in
 286   else      { zoom=zoom*2;     pPad->Range(x-zoom*2,y-zoom*2,x+zoom*2,y+zoom*2);} //zoom out
 287   if(zoom==minZoom) pPad->Range(-10,-10,AliHMPIDDigit::SizeAllX()+5,AliHMPIDDigit::SizeAllY()+5);
 288   ((TCanvas *)gTQSender)->SetTitle(Form("zoom x%i",minZoom/zoom));
 289   pPad->Modified();
 290   pPad->Update();
 291 }
 292 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 293 void ReadEvent()
 294 {//used by NextEvent()  to read curent event and construct all render elements
 295   if(fNevt && fEvt>=fNevt) fEvt=0; //loop over max event
 296
 297   if(fHitFile){
 298     if(fHitTree) delete fHitTree;   fHitTree=(TTree*)fHitFile->Get(Form("Event%i/TreeH",fEvt));
 299
 300                           fHitTree->SetBranchAddress("HMPID",&fHitLst);
 301     for(Int_t iEnt=0;iEnt<fHitTree->GetEntries();iEnt++){
 302                           fHitTree->GetEntry(iEnt);
 303       RenderHit(fHitLst);
 304     }//prim loop
 305   }//if hits file
 306
 307   if(fCluFile){
 308     if(fCluTree) delete fCluTree; fCluTree=(TTree*)fCluFile->Get(Form("Event%i/TreeR",fEvt));
 309     for(Int_t iCh=AliHMPIDDigit::kMinCh;iCh<=AliHMPIDDigit::kMaxCh;iCh++) fCluTree->SetBranchAddress(Form("HMPID%i",iCh),&(*fCluLst)[iCh]);
 310     fCluTree->GetEntry(0);
 311     RenderClu(fCluLst,fRenClu);
 312   }//if clus file
 313
 314   if(fEsdFile){//if ESD file open
 315     fEsdTree->GetEntry(fEvt);
 316     RenderEsd(fEsd);
 317   }//if ESD file
 318 }//ReadEvent()
 319 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 320 void SimulateEvent()
 321 {// used by NextEvent() to simulate all info
 322   AliCDBManager* pCDB = AliCDBManager::Instance();  pCDB->SetDefaultStorage("local://$HOME"); pCDB->SetRun(0);
 323   AliCDBEntry *pNmeanEnt=pCDB->Get("HMPID/Calib/Nmean");
 324
 325   SimulateEsd(fEsd);
 326   SimulateHits(fEsd,fHitLst);
 327                  AliHMPIDv2::Hit2Sdi(fHitLst,fSdiLst);
 328           AliHMPIDDigitizer::Sdi2Dig(fSdiLst,fDigLst);
 329       AliHMPIDReconstructor::Dig2Clu(fDigLst,fCluLst);
 330             AliHMPIDTracker::Recon(fEsd,fCluLst,(TObjArray*)pNmeanEnt->GetObject());
 331
 332   RenderHit(fHitLst);
 333   RenderClu(fCluLst,fRenClu);
 334   RenderEsd(fEsd);
 335 }//SimulateEvent()
 336 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 337 void NextEvent()
 338 {
 339   fEvt++;
 340   ClearRenders();
 341   switch(fType){
 342     case 1: ReadEvent();break;
 343 //    case 2: ReadCosmic(); break;
 344     case 3: SimulateEvent();     break;
 345     default:                 return;
 346   }
 347   Draw();
 348 }
 349 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 350 void Hdisp()
 351 {//display events from files if any in current directory or simulated events
 352   CreateContainers();
 353   CreateRenders();
 354
 355   TString title="Session with";
 356   if(gSystem->IsFileInIncludePath("HMPID.Hits.root")){// tries to open hits
 357     fHitFile=TFile::Open("HMPID.Hits.root");       fNevt=fHitFile->GetNkeys(); fType=1; title+=Form(" HITS-%i ",fNevt);
 358   }
 359
 360   if(gSystem->IsFileInIncludePath("HMPID.Digits.root")){// tries to open clusters
 361     fDigFile=TFile::Open("HMPID.Digits.root");  fNevt=fDigFile->GetNkeys(); fType=1;  title+=Form(" DIGITS-%i ",fNevt);
 362   }
 363
 364   if(gSystem->IsFileInIncludePath("HMPID.RecPoints.root")){// tries to open clusters
 365     fCluFile=TFile::Open("HMPID.RecPoints.root");  fNevt=fCluFile->GetNkeys(); fType=1;  title+=Form(" CLUSTERS-%i ",fNevt);
 366   }
 367
 368   if(gSystem->IsFileInIncludePath("AliESDs.root")){
 369     fEsdFile=TFile::Open("AliESDs.root"); fEsdTree=(TTree*)fEsdFile->Get("esdTree");  fNevt=fEsdTree->GetEntries(); fType=1;  title+=Form(" ESD-%i ",fNevt);
 370                                           fEsdTree->SetBranchAddress("ESD", &fEsd);
 371   }
 372
 373   if(gSystem->IsFileInIncludePath("cosmic.root")){                          //clm: Check if cosmic file is in the folder
 374     fCosFile=TFile::Open("cosmic.root");  fCosTree=(TTree*)fCosFile->Get("cosmic");  fNevt=fCosTree->GetEntries();  fType=2;
 375     fCosTree->SetBranchAddress("Digs",&fDigLst);   fCosTree->SetBranchAddress("Clus",&fCluLst);
 376   }
 377
 378   fCanvas=new TCanvas("all","",600,400); fCanvas->Divide(3,3,0,0);//  pAll->ToggleEditor();
 379   fCanvas->Connect("ProcessedEvent(Int_t,Int_t,Int_t,TObject*)",0,0,"DoZoom(Int_t,Int_t,Int_t,TObject*)");
 380   fCanvas->cd(7);
 381   switch(fType){
 382     case 1: fCanvas->SetTitle(title.Data());
 383                          TButton *pNxtBtn=new TButton("Next"      ,"NextEvent()",0.0,0.0,0.3,0.1); pNxtBtn->Draw();
 384             if(fHitFile){TButton *pHitBtn=new TButton("Print hits","PrintHits()",0.0,0.2,0.3,0.3); pHitBtn->Draw();}
 385             if(fDigFile){TButton *pDigBtn=new TButton("Print digs","PrintDigs()",0.0,0.4,0.3,0.5); pDigBtn->Draw();}
 386             if(fCluFile){TButton *pCluBtn=new TButton("Print clus","PrintClus()",0.0,0.6,0.3,0.7); pCluBtn->Draw();}
 387             if(fEsdFile){TButton *pEsdBtn=new TButton("Print ESD" ,"PrintEsd()" ,0.0,0.8,0.3,0.9); pEsdBtn->Draw();}
 388
 389     break;
 390     case 2: fCanvas->SetTitle("COSMIC");
 391                          TButton *pCosBtn=new TButton("Next"      ,"NextEvent()",0.0,0.0,0.3,0.1); pCosBtn->Draw();
 392
 393     break;
 394     case 3: fCanvas->SetTitle("SIMULATION");
 395             TButton *pSimBtn=new TButton("Simulate"  ,"NextEvent()",0.0,0.0,0.3,0.1); pSimBtn->Draw();
 396             TButton *pHitBtn=new TButton("Print hits","PrintHits()",0.0,0.2,0.3,0.3); pHitBtn->Draw();
 397             TButton *pDigBtn=new TButton("Print digs","PrintDigs()",0.0,0.4,0.3,0.5); pDigBtn->Draw();
 398             TButton *pCluBtn=new TButton("Print clus","PrintClus()",0.0,0.6,0.3,0.7); pCluBtn->Draw();
 399             TButton *pEsdBtn=new TButton("Print ESD" ,"PrintEsd()" ,0.0,0.8,0.3,0.9); pEsdBtn->Draw();
 400     break;
 401   }
 402
 403
 404   NextEvent();
 405
 406
 407 }//Hdisp()
 408 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++