HMPID/Hdisp.C

   1 #if !defined(__CINT__) || defined(__MAKECINT__)
   2
   3 #include <TSystem.h>
   4 #include <TFile.h>
   5 #include <TVirtualX.h>
   6 #include <TTree.h>
   7 #include <TButton.h>
   8 #include <TCanvas.h>
   9 #include <TCanvasImp.h>
  10 #include <TStyle.h>
  11 #include <TString.h>
  12 #include <TClonesArray.h>
  13 #include <TParticle.h>
  14 #include <TRandom.h>
  15 #include <TLatex.h>
  16 #include <TPDGCode.h>
  17 #include <TLegend.h>
  18 #include <TPolyMarker.h>
  19 #include <TBox.h>
  20 #include <AliESDEvent.h>
  21 #include <AliCDBManager.h>
  22 #include <AliCDBEntry.h>
  23 #include "AliHMPIDHit.h"
  24 #include "AliHMPIDv2.h"
  25 #include "AliHMPIDReconstructor.h"
  26 #include "AliHMPIDRecon.h"
  27 #include "AliHMPIDParam.h"
  28 #include "AliHMPIDCluster.h"
  29 #include "AliTracker.h"
  30 #include "AliStack.h"
  31
  32 #endif
  33
  34 AliHMPIDParam *fParam;
  35 TDatabasePDG *fPdg;
  36
  37 TCanvas *fCanvas=0; Int_t fType=3; Int_t fEvt=-1; Int_t fNevt=0;
  38 TCanvasImp *fCanvasImp;
  39 TFile *fHitFile; TTree *fHitTree; TClonesArray *fHitLst; TPolyMarker *fRenMip[7]; TPolyMarker *fRenCko[7]; TPolyMarker *fRenFee[7];
  40                                   TClonesArray *fSdiLst;
  41 TFile *fDigFile; TTree *fDigTree; TObjArray    *fDigLst; TBox *fRenDig[7][160*144]; TBox *fBox[7][160*144];
  42 TFile *fCluFile; TTree *fCluTree; TObjArray    *fCluLst; TPolyMarker *fRenClu[7];
  43 TFile *fEsdFile; TTree *fEsdTree; AliESDEvent  *fEsd;    TPolyMarker *fRenTxC[7]; TPolyMarker *fRenRin[7];
  44 TFile *fCosFile; TTree *fCosTree;
  45
  46 TButton *fHitMipBok,*fHitCkoBok,*fHitFeeBok,*fDigBok,*fCluBok,*fEsdBok;
  47
  48 TString fStHitMip = "ON";
  49 TString fStHitCko = "ON";
  50 TString fStHitFee = "ON";
  51 TString fStDig    = "ON";
  52 TString fStClu    = "ON";
  53 TString fStEsd    = "ON";
  54
  55 Int_t fTimeArrow = 1;
  56
  57 Int_t fMaxCharge = 200;  //maximum charge to saturate color to red
  58
  59 Int_t fChamN[9]={6,5,-1,4,3,2,-1,1,0};
  60
  61 Int_t fTotPads[7],fTotClus[7];
  62
  63 AliRunLoader *gAL=0;
  64
  65 Int_t nDigs[7];
  66
  67 enum EObjectType {kHitMip=kOpenTriangleUp,kHitCko=kOpenCircle,kHitFee=kOpenDiamond,kCluster=kStar,kTrack=kPlus,kRing=kFullDotSmall};
  68   //  kOpenTriangleUp  Hit Mip
  69   //  kOpenCircle      Hit Ckov
  70   //  kOpenDiamond     Hit Feedback
  71   //  kStar            Cluster
  72   //  kPlus            Track
  73   //  kFullDotSmall    Ring
  74
  75 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  76 void CreateContainers()
  77 {//to create all containers
  78   fHitLst=new TClonesArray("AliHMPIDHit");
  79   fSdiLst=new TClonesArray("AliHMPIDDigit");
  80   fDigLst=new TObjArray(7); for(Int_t i=0;i<7;i++) fDigLst->AddAt(new TClonesArray("AliHMPIDDigit"),i);       fDigLst->SetOwner(kTRUE);
  81   fCluLst=new TObjArray(7); for(Int_t i=0;i<7;i++) fCluLst->AddAt(new TClonesArray("AliHMPIDCluster"),i);     fCluLst->SetOwner(kTRUE);
  82   fEsd   =new AliESDEvent;
  83 }
  84 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  85 void CreateRenders()
  86 {
  87   for(Int_t ch=0;ch<7;ch++){
  88     fRenMip[ch]=new TPolyMarker; fRenMip[ch]->SetMarkerStyle(kOpenTriangleUp);fRenMip[ch]->SetMarkerColor(kBlack)  ;
  89     fRenCko[ch]=new TPolyMarker; fRenCko[ch]->SetMarkerStyle(kOpenCircle);    fRenCko[ch]->SetMarkerColor(kBlack)  ;
  90     fRenFee[ch]=new TPolyMarker; fRenFee[ch]->SetMarkerStyle(kOpenDiamond);   fRenFee[ch]->SetMarkerColor(kBlack)  ;
  91     fRenClu[ch]=new TPolyMarker; fRenClu[ch]->SetMarkerStyle(kStar);          fRenClu[ch]->SetMarkerColor(kMagenta);
  92     fRenTxC[ch]=new TPolyMarker; fRenTxC[ch]->SetMarkerStyle(kPlus);          fRenTxC[ch]->SetMarkerColor(kRed)    ;
  93                                  fRenTxC[ch]->SetMarkerSize(3);
  94     fRenRin[ch]=new TPolyMarker; fRenRin[ch]->SetMarkerStyle(kFullDotSmall);  fRenRin[ch]->SetMarkerColor(kMagenta);
  95
  96     for(Int_t iDig=0;iDig<160*144;iDig++) {
  97       fRenDig[ch][iDig] = new TBox;
  98       fRenDig[ch][iDig]->SetFillStyle(1);
  99       fBox[ch][iDig] = new TBox;
 100       fBox[ch][iDig]->SetFillStyle(0);
 101     }
 102   }
 103 }//CreateRenders()
 104 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 105 void ClearRenders()
 106 {
 107   for(Int_t ch=0;ch<7;ch++){
 108     fRenTxC[ch]->SetPolyMarker(0);
 109     fRenRin[ch]->SetPolyMarker(0);
 110     fRenMip[ch]->SetPolyMarker(0);
 111     fRenCko[ch]->SetPolyMarker(0);
 112     fRenFee[ch]->SetPolyMarker(0);
 113     nDigs[ch] = 0;
 114     fRenClu[ch]->SetPolyMarker(0);
 115   }
 116 }//ClearRenders()
 117 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 118 void PrintHits()
 119 {
 120 //Prints a list of HMPID hits for a given event. Default is event number 0.
 121   if(!fHitTree) return;
 122   Printf("List of HMPID hits for event %i",fEvt);
 123   Int_t iTot=0;
 124   for(Int_t iEnt=0;iEnt<fHitTree->GetEntries();iEnt++){//entries loop
 125     fHitTree->GetEntry(iEnt);
 126     fHitLst->Print();
 127     iTot+=fHitLst->GetEntries();
 128   }
 129   Printf("totally %i hits for event %i",iTot,fEvt);
 130 }//PrintHits();
 131 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 132 void PrintSdis()
 133 {//prints a list of HMPID sdigits  for a given event
 134   Printf("List of HMPID sdigits for event %i",fEvt);
 135   fSdiLst->Print();
 136   Printf("totally %i sdigits for event %i",fSdiLst->GetEntries(),fEvt);
 137 }//PrintSdis()
 138 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 139 void PrintDigs()
 140 {//prints a list of HMPID digits
 141   Printf("List of HMPID digits for event %i",fEvt);
 142   fDigLst->Print();
 143   Int_t iTot=0;  for(Int_t i=0;i<7;i++) {iTot+=((TClonesArray*)fDigLst->At(i))->GetEntries();}
 144   Printf("totally %i digits for event %i",iTot,fEvt);
 145 }
 146 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 147 void PrintClus()
 148 {//prints a list of HMPID clusters  for a given event
 149   Printf("List of HMPID clusters for event %i",fEvt);
 150
 151   fCluLst->Print();
 152   Int_t iTot=0; for(Int_t iCh=0;iCh<7;iCh++) iTot+=((TClonesArray*)fCluLst->At(iCh))->GetEntries();
 153
 154   Printf("totally %i clusters for event %i",iTot,fEvt);
 155 }
 156 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 157 void PrintEsd()
 158 {//prints a list of HMPID Esd  for a given event
 159   Printf("List of HMPID ESD summary for event %i",fEvt);
 160   for(Int_t iTrk=0;iTrk<fEsd->GetNumberOfTracks();iTrk++){
 161     AliESDtrack *pTrk = fEsd->GetTrack(iTrk);
 162     Float_t x,y;Int_t q,nacc;   pTrk->GetHMPIDmip(x,y,q,nacc);
 163     Printf("Track %02i with p %7.2f with ThetaCer %5.3f with %i photons",iTrk,pTrk->GetP(),pTrk->GetHMPIDsignal(),nacc);
 164   }
 165 }//PrintEsd()
 166 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 167 void DrawChamber(Int_t iCh)
 168 {//used by Draw() to Draw() chamber structure
 169   gPad->Range(-10,-10,AliHMPIDParam::SizeAllX()+5,AliHMPIDParam::SizeAllY()+5);
 170   if(iCh>=0){TLatex txt; txt.SetTextSize(0.06); txt.DrawLatex(55,-9,Form("RICH %i",iCh));}
 171
 172   for(Int_t iPc=AliHMPIDParam::kMinPc;iPc<=AliHMPIDParam::kMaxPc;iPc++){
 173     TBox *pBox=new TBox(AliHMPIDParam::MinPcX(iPc),AliHMPIDParam::MinPcY(iPc),
 174                         AliHMPIDParam::MaxPcX(iPc),AliHMPIDParam::MaxPcY(iPc));
 175     pBox->SetFillStyle(0);  pBox->Draw();
 176   }//PC loop
 177 }//DrawChamber()
 178 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 179 void DrawLegend()
 180 {//used by Draw() to draw legend
 181   Int_t nTxC=0,nMip=0,nCko=0,nFee=0,nDig=0,nClu=0;
 182   for(Int_t ch=0;ch<7;ch++){
 183     nTxC+=fRenTxC[ch]->Size();
 184     nMip+=fRenMip[ch]->Size();
 185     nCko+=fRenCko[ch]->Size();
 186     nFee+=fRenFee[ch]->Size();
 187     nClu+=fRenClu[ch]->Size();
 188     nDig+=nDigs[ch];
 189   }
 190   TLegend *pLeg=new TLegend(0.15,0.3,0.85,0.98);
 191   pLeg->SetHeader(Form("Event %i Total %i",fEvt,fNevt));
 192   pLeg->AddEntry(fRenTxC[0],   Form("TRKxPC %i"  ,nTxC),"p");
 193   pLeg->AddEntry(fRenMip[0],   Form("Mip hits %i"  ,nMip),"p");
 194   pLeg->AddEntry(fRenCko[0],   Form("Ckov hits %i"  ,nCko),"p");
 195   pLeg->AddEntry(fRenFee[0],   Form("Feed hits %i"  ,nFee),"p");
 196   pLeg->AddEntry(fRenDig[0][0],Form("Digs %i"  ,nDig),"p");
 197   pLeg->AddEntry(fRenClu[0],   Form("Clus %i"  ,nClu),"p");
 198   pLeg->Draw();
 199
 200 /*  TLegend *pLeg2 = new TLegend(0.4,0.087,0.8,0.97);
 201   pLeg2->SetHeader("");
 202   pLeg2->AddEntry(fRenMip[0],Form("Mip hits %i"   ,nMip),"p");
 203   pLeg2->Draw();*/
 204
 205  TBox *pBox = new TBox(0.012,0.03,0.97,0.28);
 206  pBox->Draw("l");
 207
 208  TText *pText = new TText(0.35,0.21, "ddl = (0....13)");
 209  pText->SetTextSize(0.07);
 210  pText->Draw();
 211
 212  TText *pText2 = new TText(0.09,0.13,"RICH n ---> ddl 2n (left) & 2n+1 (right)");
 213  pText2->SetTextSize(0.07);
 214  pText2->Draw();
 215
 216  TText *pText3 = new TText(0.1,0.05, "phcat (0,2,4) left,   phcat (1,3,5) right");
 217  pText3->SetTextSize(0.07);
 218  pText3->Draw();
 219
 220 }//DrawLegend()
 221 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 222 void Draw()
 223 {//draws all the objects of current event in given canvas
 224   Int_t iPadN[7]={9,8,6,5,4,2,1};
 225   Int_t sampleCol = fMaxCharge/gStyle->GetNumberOfColors();
 226   for(Int_t iCh=0;iCh<7;iCh++){//chambers loop
 227     fCanvas->cd(iPadN[iCh]);
 228     gPad->SetEditable(kTRUE); gPad->Clear(); DrawChamber(iCh);
 229
 230     if(fDigFile){
 231       if(fStDig   =="ON") {
 232         for(Int_t iDig=0;iDig<nDigs[iCh];iDig++) {
 233           Int_t charge = fRenDig[iCh][iDig]->GetUniqueID();
 234           Int_t color = charge/sampleCol;if(color>=gStyle->GetNumberOfColors()) color = gStyle->GetNumberOfColors()-1;
 235           fRenDig[iCh][iDig]->SetFillColor(gStyle->GetColorPalette(color));
 236           fRenDig[iCh][iDig]->Draw();
 237           fBox[iCh][iDig]->Draw();
 238         }
 239       }
 240     }
 241
 242     if(fEsdFile){if(fStEsd   =="ON") fRenTxC[iCh]->Draw();}
 243
 244     if(fHitFile){
 245       if(fStHitMip=="ON") fRenMip[iCh]->Draw();
 246       if(fStHitFee=="ON") fRenFee[iCh]->Draw();
 247       if(fStHitCko=="ON") fRenCko[iCh]->Draw();
 248     }
 249
 250     if(fEsdFile){if(fStEsd   =="ON") fRenRin[iCh]->Draw();}
 251     if(fCluFile){if(fStClu   =="ON") fRenClu[iCh]->Draw();}
 252     gPad->SetEditable(kFALSE);
 253   }//chambers loop
 254
 255   fCanvas->cd(3);  gPad->Clear(); DrawLegend();
 256
 257   fCanvas->cd(7);
 258
 259   if(fHitFile){
 260     fHitMipBok->SetTitle(Form("Mips  %s",fStHitMip.Data())); fHitMipBok->Modified();
 261     fHitCkoBok->SetTitle(Form("Ckov  %s",fStHitCko.Data())); fHitCkoBok->Modified();
 262     fHitFeeBok->SetTitle(Form("Fdbk  %s",fStHitFee.Data())); fHitFeeBok->Modified();
 263   }
 264   if(fDigFile){fDigBok->SetTitle(fStDig); fDigBok->Modified();}
 265   if(fCluFile){fCluBok->SetTitle(fStClu); fCluBok->Modified();}
 266   if(fEsdFile){fEsdBok->SetTitle(fStEsd); fEsdBok->Modified();}
 267
 268 }//Draw()
 269 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 270 void RenderHit(TClonesArray *pHitLst)
 271 {//used by ReadEvent() and SimulateEvent() to render hits to polymarker structures, one per chamber
 272   for(Int_t iHit=0;iHit<pHitLst->GetEntries();iHit++){       //hits loop
 273     AliHMPIDHit *pHit = (AliHMPIDHit*)pHitLst->At(iHit); Int_t ch=pHit->Ch(); Float_t x=pHit->LorsX(); Float_t y=pHit->LorsY();    //get current hit
 274     switch(pHit->Pid()){
 275       case 50000050: fRenCko[ch]->SetNextPoint(x,y);break;
 276       case 50000051: fRenFee[ch]->SetNextPoint(x,y);break;
 277       default:       fRenMip[ch]->SetNextPoint(x,y);break;
 278     }//switch hit PID
 279 //    Printf("----------ihit %i ch %i chhit %i MIP %i CKO %i FEE %i",iHit,ch,pHit->Pid());
 280   }//hits loop for this entry
 281 }//RenderHits()
 282 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 283 void RenderDig(TObjArray *pDigLst)
 284 {//used by ReadEvent() and SimulateEvent() to render digs to Tbox structures, one per chamber
 285   for(Int_t iCh=0;iCh<=6;iCh++){                                    //chambers loop
 286     TClonesArray *pDigCham=(TClonesArray*)pDigLst->At(iCh);         //get digs list for this chamber
 287     nDigs[iCh] = 0;
 288     fTotPads[iCh] = pDigCham->GetEntries();
 289     for(Int_t iDig=0;iDig<pDigCham->GetEntries();iDig++){            //digs loop
 290       AliHMPIDDigit *pDig = (AliHMPIDDigit*)pDigCham->At(iDig); Float_t x=pDig->LorsX(); Float_t y=pDig->LorsY();    //get current hit
 291       fRenDig[iCh][iDig]->SetX1(x-0.5*AliHMPIDParam::SizePadX());
 292       fRenDig[iCh][iDig]->SetX2(x+0.5*AliHMPIDParam::SizePadX());
 293       fRenDig[iCh][iDig]->SetY1(y-0.5*AliHMPIDParam::SizePadY());
 294       fRenDig[iCh][iDig]->SetY2(y+0.5*AliHMPIDParam::SizePadY());
 295       fRenDig[iCh][iDig]->SetUniqueID((Int_t)pDig->Q());
 296       fBox[iCh][iDig]->SetX1(x-0.5*AliHMPIDParam::SizePadX());
 297       fBox[iCh][iDig]->SetX2(x+0.5*AliHMPIDParam::SizePadX());
 298       fBox[iCh][iDig]->SetY1(y-0.5*AliHMPIDParam::SizePadY());
 299       fBox[iCh][iDig]->SetY2(y+0.5*AliHMPIDParam::SizePadY());
 300       nDigs[iCh]++;
 301     }//Digit loop
 302   }//hits loop for this entry
 303 }//RenderHits()
 304 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 305 void RenderClu(TObjArray *pClus)
 306 {//used by ReadEvent() and SimulateEvent() to render clusters to polymarker structures, one per chamber
 307   for(Int_t iCh=0;iCh<=6;iCh++){                                     //chambers loop
 308     TClonesArray *pClusCham=(TClonesArray*)pClus->At(iCh);           //get clusters list for this chamber
 309     fTotClus[iCh] = pClusCham->GetEntries();
 310     for(Int_t iClu=0;iClu<pClusCham->GetEntries();iClu++){           //clusters loop
 311       AliHMPIDCluster *pClu = (AliHMPIDCluster*)pClusCham->At(iClu); //get current cluster
 312       fRenClu[iCh]->SetNextPoint(pClu->X(),pClu->Y());
 313 //      Printf("RenderClu: ch %i x %f y %f",iCh,pClu->X(),pClu->Y());
 314     }//cluster loop
 315   }//chamber loop for this entry
 316 }//RenderClus()
 317 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 318 void RenderEsd(AliESDEvent *pEsd)
 319 {//used by ReadEvent() or SimulateEvent() to render ESD to polymarker structures for rings and intersections one per chamber
 320   AliHMPIDRecon rec;
 321   for(Int_t iTrk=0;iTrk<pEsd->GetNumberOfTracks();iTrk++){//tracks loop to collect cerenkov rings and intersection points
 322     AliESDtrack *pTrk=pEsd->GetTrack(iTrk);    Int_t ch=pTrk->GetHMPIDcluIdx(); //get track and chamber intersected by it
 323     ch/=1000000;
 324     if(ch<AliHMPIDParam::AliHMPIDParam::kMinCh||ch>AliHMPIDParam::kMaxCh) continue;//this track does not intersect any chamber
 325     Float_t xPc,yPc,xRa,yRa,thRa,phRa;
 326     Int_t chamb = AliHMPIDTracker::IntTrkCha(pTrk,xPc,yPc,xRa,yRa,thRa,phRa);   //find again intersection of track with PC--> it is not stored in ESD!
 327     if(ch!=chamb){Printf(" CHAMBER MISMATCH: in ESDTrack chamber %i - in IntTrkCha chamber %i",ch,chamb);End();}
 328     Int_t npTrk = fRenTxC[ch]->SetNextPoint(xPc,yPc);                           //add this intersection point
 329     Float_t ckov=pTrk->GetHMPIDsignal();                                        //get ckov angle stored for this track
 330     if(ckov>0){
 331       rec.SetTrack(xRa,yRa,thRa,phRa);
 332       fRenRin[ch]->SetUniqueID(npTrk);
 333       for(Int_t j=0;j<500;j++){
 334         TVector2 pos; pos=rec.TracePhot(ckov,j*6.28/500.);
 335        if(!AliHMPIDParam::IsInDead(pos.X(),pos.Y())) fRenRin[ch]->SetNextPoint(pos.X(),pos.Y());
 336       }
 337     }//if ckov is valid
 338   }//tracks loop
 339 }//RenEsd()
 340 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 341 void SimulateEsd(AliESDEvent *pEsd)
 342 {
 343   TParticle part; TLorentzVector mom;
 344   for(Int_t iTrk=0;iTrk<100;iTrk++){//stack loop
 345     Printf("SimulateEsd: kProton %i",kProton);
 346     part.SetPdgCode(kProton);
 347     part.SetProductionVertex(0,0,0,0);
 348     Double_t eta= -0.2+gRandom->Rndm()*0.4; //rapidity is random [-0.2,+0.2]
 349     Double_t phi= gRandom->Rndm()*60.*TMath::DegToRad();   //phi is random      [ 0  , 60 ] degrees
 350     mom.SetPtEtaPhiM(5,eta,phi,part.GetMass());
 351     part.SetMomentum(mom);
 352     AliESDtrack trk(&part);
 353     pEsd->AddTrack(&trk);
 354   }//stack loop
 355 }//EsdFromStack()
 356 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 357 void SimulateHits(AliESDEvent *pEsd, TClonesArray *pHits)
 358 {//used by SimulateEvent to simulate hits out from provided ESD
 359   const Int_t kCerenkov=50000050;
 360   const Int_t kFeedback=50000051;
 361
 362   AliHMPIDRecon rec;
 363   Float_t eMip=200e-9,ePho=7.5e-9;
 364   Int_t hc=0;
 365   for(Int_t iTrk=0;iTrk<pEsd->GetNumberOfTracks();iTrk++){//tracks loop
 366     AliESDtrack *pTrk=pEsd->GetTrack(iTrk);
 367     Float_t xRa,yRa;
 368     Int_t ch=AliHMPIDTracker::IntTrkCha(pTrk,xRa,yRa);
 369     if(ch<0) continue; //this track does not hit HMPID
 370     Float_t beta = pTrk->GetP()/(TMath::Sqrt(pTrk->GetP()*pTrk->GetP()+0.938*0.938));
 371     Float_t ckov=TMath::ACos(1./(beta*1.292));
 372
 373     Float_t theta,phi,xPc,yPc,; pTrk->GetHMPIDtrk(xPc,yPc,theta,phi); rec.SetTrack(xRa,yRa,theta,phi);
 374
 375     if(!AliHMPIDParam::IsInDead(xPc,yPc)) new((*pHits)[hc++]) AliHMPIDHit(ch,eMip,kProton  ,iTrk,xPc,yPc);                 //mip hit
 376     Int_t nPhots = (Int_t)(20.*TMath::Power(TMath::Sin(ckov),2)/TMath::Power(TMath::Sin(TMath::ACos(1./1.292)),2));
 377     for(int i=0;i<nPhots;i++){
 378       TVector2 pos;
 379       pos=rec.TracePhot(ckov,gRandom->Rndm()*TMath::TwoPi());
 380       if(!AliHMPIDParam::IsInDead(pos.X(),pos.Y())) new((*pHits)[hc++]) AliHMPIDHit(ch,ePho,kCerenkov,iTrk,pos.X(),pos.Y());
 381     }                      //photon hits
 382     for(int i=0;i<3;i++){//feedback photons
 383       Float_t x=gRandom->Rndm()*160; Float_t y=gRandom->Rndm()*150;
 384       if(!AliHMPIDParam::IsInDead(x,y)) new((*pHits)[hc++]) AliHMPIDHit(ch,ePho,kFeedback,iTrk,x,y);                 //feedback hits
 385     }//photon hits loop
 386   }//tracks loop
 387 }//SimulateHits()
 388 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 389 TString Stack(Int_t evt,Int_t tid)
 390 {
 391 // Prints some useful info from stack
 392 // Arguments: evt - event number. if not -1 print info only for that event
 393 //            tid - track id. if not -1 then print it and all it's mothers if any
 394 //   Returns: mother tid of the given tid if any
 395   if(gAL->LoadHeader()) return -1;
 396   if(gAL->LoadKinematics()) return -1;
 397
 398   gAL->GetEvent(evt);
 399   AliStack *pStack=gAL->Stack();
 400   TParticle *pTrack=pStack->Particle(tid);
 401 //  Int_t mtid=pTrack->GetFirstMother();
 402   TString str;
 403   str.Append(Form("with P = %7.4f (%7.4f,%7.4f,%7.4f) GeV/c ",pTrack->P(),pTrack->Px(),pTrack->Py(),pTrack->Pz()));
 404   gAL->UnloadHeader();  gAL->UnloadKinematics();
 405   return str;
 406 }
 407 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 408 void DispTB(TString t0,TString t1,TString t2,TString t3)
 409 {
 410   fCanvasImp->SetStatusText(t0,0);
 411   fCanvasImp->SetStatusText(t1,1);
 412   fCanvasImp->SetStatusText(t2,2);
 413   fCanvasImp->SetStatusText(t3,3);
 414 }
 415 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 416 Bool_t FindPos(TVector3 xyz,Int_t &cham,Int_t &sect,Int_t &gap,Int_t &padX,Int_t &padY)
 417 {
 418 // It finds the chamber parameters for a given point
 419 // Arguments:  xyz  coordinates of a given point in MARS
 420 //   Returns:  cham   chamber ID ( 0-6 )
 421 //             sect   sector  ID ( 0-5 )
 422 //             padX   X (integer) of the pad in X in the given sector (1-80)
 423 //             padY   Y (integer) of the pad in Y in the given sector (1-48)
 424   cham = -1;
 425   TGeoNode *node = gGeoManager->FindNode(xyz.X(),xyz.Y(),xyz.Z());
 426   if(!node) return kFALSE;
 427   TGeoVolume *vol = node->GetVolume();
 428   if(!vol) return kFALSE;
 429   TGeoManager *geo = vol->GetGeoManager();
 430   if(!geo) return kFALSE;
 431   Int_t i=0;
 432   while(geo->GetMother(i)) {
 433     TString s = geo->GetMother(i)->GetName();
 434 //    if(s.Contains("Hcel_")) padX=(Int_t)(s.Remove(0,5)).Atof();
 435 //    if(s.Contains("Hrow_")) padY=(Int_t)(s.Remove(0,5)).Atof();
 436 //    if(s.Contains("Hsec_")) sect=(Int_t)(s.Remove(0,5)).Atof();
 437 //    if(s.Contains("Hmp_"))  cham=(Int_t)(s.Remove(0,4)).Atof();
 438     if(s.Contains("Hcel_")) padX=geo->GetMother(i)->GetNumber();
 439     if(s.Contains("Hrow_")) padY=geo->GetMother(i)->GetNumber();
 440     if(s.Contains("Hsec_")) sect=geo->GetMother(i)->GetNumber();
 441     if(s.Contains("Hmp_"))  cham=geo->GetMother(i)->GetNumber();
 442     i++;
 443   }
 444   return (cham==-1) ? kFALSE : kTRUE;
 445 }
 446 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 447 void DisplayInfo(Int_t evt,Int_t px, Int_t py)
 448 {
 449   if(!gPad) return;
 450   TVirtualPad *pPad=gPad->GetSelectedPad();
 451   Int_t padN = pPad->GetNumber()-1;
 452   if(padN<0 || padN>8) return;
 453   Int_t ch,pc,padX,padY;
 454   ch = fChamN[padN];
 455   if(ch<0) return;
 456   TString text0,text1,text2,text3;
 457
 458   Float_t x=pPad->AbsPixeltoX(px); Float_t y=pPad->AbsPixeltoY(py);
 459   fParam->Lors2Pad(x,y,pc,padX,padY);
 460   TVector3 xyz=fParam->Lors2Mars(ch,x,y);
 461
 462   if(padX>=0&&padY>=0) {
 463     text0.Append(Form("Pad(%i,%i)-LORS(%6.2f,%6.2f)-MARS(%7.2f,%7.2f,%7.2f)",padX,padY,x,y,xyz.X(),xyz.Y(),xyz.Z()));
 464     text1.Append(Form("Module %i Sector %i",ch,pc));
 465     text2="";
 466     text3.Append(Form("Pads = %i - Clusters = %i - Occupancy %5.2f%%",fTotPads[ch],fTotClus[ch],100.*fTotPads[ch]/(144.*160.)));
 467   }
 468
 469   TObject *obj = fCanvas->GetSelected();
 470   TString name = obj->GetName();
 471
 472 // Find object DIGIT
 473
 474   if(name=="") {DispTB(text0,text1,text2,text3);return;} // TLatex not interesting
 475
 476   if(name.Contains("TBox")) {
 477     TBox *box = (TBox*)obj;
 478     if(box->GetUniqueID()==0) return; // just black frame hit!
 479     text2.Append(Form("charge = %i ADC",box->GetUniqueID()));
 480     DispTB(text0,text1,text2,text3);
 481     return;
 482   }
 483 //
 484 // Find object HITs CLUSTER TRACK and RING (based on TPolyMarker and symbol)
 485 //
 486   TPolyMarker *b = (TPolyMarker*)obj;
 487
 488   const Int_t big = 9999;
 489
 490   // check if point is near one of the points
 491   Int_t distance = big;
 492   Int_t index=0;
 493
 494   Double_t *xPol = b->GetX();
 495   Double_t *yPol = b->GetY();
 496
 497   for(Int_t i=0;i<b->Size();i++) {
 498     Int_t pxp = pPad->XtoAbsPixel(pPad->XtoPad(xPol[i]));
 499     Int_t pyp = pPad->YtoAbsPixel(pPad->YtoPad(yPol[i]));
 500     Int_t d   = TMath::Abs(pxp-px) + TMath::Abs(pyp-py);
 501     if (d < distance) {distance = d; index=i;}
 502   }
 503
 504   Int_t symbol = b->GetMarkerStyle();
 505
 506   //  kOpenTriangleUp  Hit Mip
 507   //  kOpenCircle      Hit Ckov
 508   //  kOpenDiamond     Hit Feedback
 509   //  kStar            Cluster
 510   //  kPlus            Track
 511   //  kFullDotSmall    Ring
 512
 513   // Case Hit Mip of Hit Ckov or Hit Feedback
 514   if(symbol==kHitMip || symbol==kHitCko || symbol==kHitFee) {
 515     if(evt!=kButton1Down) return;
 516     TString nameHit;
 517     Int_t iCko[7]={0,0,0,0,0,0,0};
 518     Int_t iFee[7]={0,0,0,0,0,0,0};
 519     Int_t iMip[7]={0,0,0,0,0,0,0};
 520     Int_t iHit;
 521     Int_t chHit;
 522     Int_t indHit=0;
 523
 524     Int_t indTrk = b->GetUniqueID(); // track index
 525     for(Int_t iEnt=0;iEnt<fHitTree->GetEntries();iEnt++){//entries loop
 526       fHitTree->GetEntry(iEnt);
 527       for(iHit=0;iHit<fHitLst->GetEntries();iHit++) {       //hits loop
 528         AliHMPIDHit *pHit = (AliHMPIDHit*)fHitLst->At(iHit);
 529         chHit = pHit->Ch();
 530         Int_t pid = pHit->Pid();
 531         if(pid==50000050) iCko[chHit]++;
 532         else if(pid==50000051) iFee[chHit]++;
 533         else iMip[chHit]++;
 534
 535         if(symbol==kHitMip && ch==chHit && index==iMip[chHit]-1) {indTrk=iEnt;indHit = iHit;break;}
 536         if(symbol==kHitCko && ch==chHit && index==iCko[chHit]-1) {indTrk=iEnt;indHit = iHit;break;}
 537         if(symbol==kHitFee && ch==chHit && index==iFee[chHit]-1) {indTrk=iEnt;indHit = iHit;break;}
 538       }
 539     }
 540     fHitTree->GetEntry(indTrk);
 541     AliHMPIDHit *pHit = (AliHMPIDHit*)fHitLst->At(indHit);
 542
 543     Int_t tid = pHit->Tid();
 544
 545     TString str = Stack(fEvt,tid);
 546
 547     Float_t x=pHit->LorsX();
 548     Float_t y=pHit->LorsY();
 549     Float_t charge = pHit->Q();
 550
 551     TVector3 v = fParam->Lors2Mars(pHit->Ch(),pHit->LorsX(),pHit->LorsY());
 552     Int_t cham,sect,gap,padX,padY;
 553     FindPos(v,cham,sect,gap,padX,padY);
 554
 555     if(pHit->Pid()==50000050) {nameHit = " Cherenkov Photon ";}
 556     else if(pHit->Pid()==50000051) {nameHit = " Feedback Photon ";}
 557     else if(fPdg->GetParticle(pHit->Pid())) nameHit = fPdg->GetParticle(pHit->Pid())->GetName();
 558     nameHit.Append(Form(" (tid %i)",tid));
 559     text0="";text0.Append(Form("Hit(%5.2f,%6.2f) LORS - Pad Volume(%i,%i) - hit %i/%i",x,y,padX,padY,indHit+1,fHitLst->GetEntries()));
 560     text2="";text2.Append(Form("Q = %7.2f ADC",charge));
 561     text3="";text3="Particle: "+ nameHit +" "+ str;
 562   } // Hit
 563   else if (symbol==kCluster) {
 564     TClonesArray *pClusCham=(TClonesArray*)fCluLst->At(ch);         //get clusters list for this chamber
 565     AliHMPIDCluster *pClu = (AliHMPIDCluster*)pClusCham->At(index); //get current cluster
 566     text0="";text0.Append(Form("CLUSTER: x %6.2f y %6.2f",pClu->X(),pClu->Y()));
 567     text2="";text2.Append(Form("charge = %i ADC",(Int_t)pClu->Q()));
 568     }
 569   else if (symbol==kTrack || symbol==kRing) {
 570     if(symbol==kRing) index = b->GetUniqueID();
 571     AliESDtrack *pTrk=fEsd->GetTrack(index);
 572     Float_t xPc,yPc,thRa,phRa,xRa,yRa;
 573     Int_t ch = AliHMPIDTracker::IntTrkCha(pTrk,xPc,yPc,xRa,yRa,thRa,phRa);
 574     text0="";text0.Append(Form("TRACK n.%d: x %6.2f y %6.2f at PC plane in chamber %i",index,xPc,yPc,ch));
 575     text2="";text2.Append(Form("p = %7.2f GeV/c",pTrk->GetP()));
 576     Float_t ckov=pTrk->GetHMPIDsignal();
 577     Double_t prob[5];
 578     pTrk->GetHMPIDpid(prob);
 579     if(ckov>0){
 580       Float_t x,y;Int_t q,nacc;   pTrk->GetHMPIDmip(x,y,q,nacc);
 581       text3="";text3.Append(Form("Theta Cherenkov %5.3f with %i photons |  e %5.1f%% | u %5.1f%% | pi %5.1f%% | K %5.1f%% | p %5.1f%%",
 582           pTrk->GetHMPIDsignal(),nacc,prob[0]*100,prob[1]*100,prob[2]*100,prob[3]*100,prob[4]*100));
 583     }
 584   }
 585 //Update toolbar status
 586
 587   DispTB(text0,text1,text2,text3);
 588 }
 589 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 590 void CloseInfo()
 591 {
 592 }
 593 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 594 void DoZoom(Int_t evt, Int_t px, Int_t py, TObject *)
 595 {
 596 //  Printf(" px %i py%i event %i",px,py,evt);
 597   if(evt==kMouseMotion||evt==kButton1Down) DisplayInfo(evt,px,py);
 598   if(evt==11)  CloseInfo();
 599   if(evt!=5 && evt!=6) return; //5- zoom in 6-zoom out
 600   const Int_t minZoom=64;
 601   const Int_t maxZoom=2;
 602   static Int_t zoom[7]={64,64,64,64,64,64,64}; //zoom level
 603
 604  // if(!obj->IsA()->InheritsFrom("TPad")) return;  //current object is not pad
 605   TVirtualPad *pPad=gPad->GetSelectedPad();
 606   Int_t padN = pPad->GetNumber()-1;
 607   if(padN<0 || padN>8) return;
 608
 609   Int_t iCh = fChamN[padN];
 610   if(iCh < 0) return;
 611
 612   if(evt==5&&zoom[iCh]==maxZoom) return;
 613   if(evt==6&&zoom[iCh]==minZoom) return;
 614
 615   Float_t x=pPad->AbsPixeltoX(px); Float_t y=pPad->AbsPixeltoY(py);
 616
 617   if(evt==5){ zoom[iCh]=zoom[iCh]/2;     pPad->Range(x-zoom[iCh]*2,y-zoom[iCh]*2,x+zoom[iCh]*2,y+zoom[iCh]*2);} //zoom in
 618   if(evt==6){ zoom[iCh]=zoom[iCh]*2;     pPad->Range(x-zoom[iCh]*2,y-zoom[iCh]*2,x+zoom[iCh]*2,y+zoom[iCh]*2);} //zoom out
 619   if(zoom[iCh]==minZoom) pPad->Range(-10,-10,AliHMPIDParam::SizeAllX()+5,AliHMPIDParam::SizeAllY()+5);
 620   ((TCanvas *)gTQSender)->SetTitle(Form("zoom x%i",minZoom/zoom[iCh]));
 621   pPad->Modified();
 622   pPad->Update();
 623 }
 624 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 625 void ReadEvent()
 626 {//used by NextEvent()  to read curent event and construct all render elements
 627   if(fNevt && fEvt>=fNevt) fEvt=0; //loop over max event
 628   if(fNevt && fEvt<0) fEvt=fNevt-1; //loop over max event
 629
 630   if(fHitFile){
 631     if(fHitTree) delete fHitTree;   fHitTree=(TTree*)fHitFile->Get(Form("Event%i/TreeH",fEvt));
 632
 633                           fHitTree->SetBranchAddress("HMPID",&fHitLst);
 634     for(Int_t iEnt=0;iEnt<fHitTree->GetEntries();iEnt++){
 635                           fHitTree->GetEntry(iEnt);
 636       RenderHit(fHitLst);
 637     }//prim loop
 638   }//if hits file
 639
 640   if(fDigFile){
 641     if(fDigTree) delete fDigTree;   fDigTree=(TTree*)fDigFile->Get(Form("Event%i/TreeD",fEvt));
 642     for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++) fDigTree->SetBranchAddress(Form("HMPID%i",iCh),&(*fDigLst)[iCh]);
 643     fDigTree->GetEntry(0);
 644     RenderDig(fDigLst);
 645   }//if digs file
 646
 647   if(fCluFile){
 648     if(fCluTree) delete fCluTree; fCluTree=(TTree*)fCluFile->Get(Form("Event%i/TreeR",fEvt));
 649     for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++) fCluTree->SetBranchAddress(Form("HMPID%i",iCh),&(*fCluLst)[iCh]);
 650     fCluTree->GetEntry(0);
 651     RenderClu(fCluLst);
 652   }//if clus file
 653
 654   if(fEsdFile){//if ESD file open
 655     fEsdTree->GetEntry(fEvt);
 656     RenderEsd(fEsd);
 657   }//if ESD file
 658 }//ReadEvent()
 659 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 660 void SimulateEvent()
 661 {// used by NextEvent() to simulate all info
 662   AliCDBManager* pCDB = AliCDBManager::Instance();  pCDB->SetDefaultStorage("local://$HOME"); pCDB->SetRun(0);
 663   AliCDBEntry *pNmeanEnt=pCDB->Get("HMPID/Calib/Nmean");
 664
 665   SimulateEsd(fEsd);
 666   SimulateHits(fEsd,fHitLst);
 667                  AliHMPIDv2::Hit2Sdi(fHitLst,fSdiLst);
 668           AliHMPIDDigitizer::Sdi2Dig(fSdiLst,fDigLst);
 669       AliHMPIDReconstructor::Dig2Clu(fDigLst,fCluLst);
 670             AliHMPIDTracker::Recon(fEsd,fCluLst,(TObjArray*)pNmeanEnt->GetObject());
 671
 672   RenderHit(fHitLst);
 673   RenderClu(fCluLst);
 674   RenderEsd(fEsd);
 675 }//SimulateEvent()
 676 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 677 void CheckStatus()
 678 {
 679   if(fHitFile){
 680     if(fStHitMip=="OFF") {fHitMipBok->SetFillColor(kRed);} else {fHitMipBok->SetFillColor(18);}
 681     if(fStHitCko=="OFF") {fHitCkoBok->SetFillColor(kRed);} else {fHitCkoBok->SetFillColor(18);}
 682     if(fStHitFee=="OFF") {fHitFeeBok->SetFillColor(kRed);} else {fHitFeeBok->SetFillColor(18);}
 683   }
 684   if(fDigFile){if(fStDig   =="OFF") {fDigBok->SetFillColor(kRed);} else {fDigBok->SetFillColor(18);}}
 685   if(fCluFile){if(fStClu   =="OFF") {fCluBok->SetFillColor(kRed);} else {fCluBok->SetFillColor(18);}}
 686   if(fEsdFile){if(fStEsd   =="OFF") {fEsdBok->SetFillColor(kRed);} else {fEsdBok->SetFillColor(18);}}
 687 }
 688 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 689 void GetEvent()
 690 {
 691   ClearRenders();
 692   CheckStatus();
 693   switch(fType){
 694     case 1: ReadEvent();break;
 695 //    case 2: ReadCosmic(); break;
 696     case 3: SimulateEvent();     break;
 697     default:                 return;
 698   }
 699   Draw();
 700 }
 701 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 702 void NextEvent()
 703 {
 704   fTimeArrow = 1;
 705   fEvt+=fTimeArrow;
 706   GetEvent();
 707 }
 708 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 709 void PrevEvent()
 710 {
 711   fTimeArrow = -1;
 712   fEvt+=fTimeArrow;
 713   GetEvent();
 714 }
 715 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 716 void End()
 717 {
 718   gSystem->Exit(0);
 719 }
 720 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 721 void Hdisp()
 722 {//display events from files if any in current directory or simulated events
 723
 724   fParam=AliHMPIDParam::Instance();                          // first invocation of AliHMPIDParam to initialize geometry...
 725   fPdg = TDatabasePDG::Instance();                           // first invocation of TDatabasePDG to retrieve particle infos...
 726
 727   CreateContainers();
 728   CreateRenders();
 729
 730   TString title="Session with";
 731   if(gSystem->IsFileInIncludePath("HMPID.Hits.root")){// tries to open hits
 732     fHitFile=TFile::Open("HMPID.Hits.root");       fNevt=fHitFile->GetNkeys(); fType=1; title+=Form(" HITS-%i ",fNevt);
 733   }
 734
 735   if(gSystem->IsFileInIncludePath("HMPID.Digits.root")){// tries to open clusters
 736      fDigFile=TFile::Open("HMPID.Digits.root");  fNevt=fDigFile->GetNkeys(); fType=1;  title+=Form(" DIGITS-%i ",fNevt);
 737    }
 738
 739   if(gSystem->IsFileInIncludePath("HMPID.RecPoints.root")){// tries to open clusters
 740     fCluFile=TFile::Open("HMPID.RecPoints.root");  fNevt=fCluFile->GetNkeys(); fType=1;  title+=Form(" CLUSTERS-%i ",fNevt);
 741    }
 742
 743   if(gSystem->IsFileInIncludePath("AliESDs.root")){
 744     fEsdFile=TFile::Open("AliESDs.root");
 745     if(fEsdFile) {
 746       fEsdTree=(TTree*)fEsdFile->Get("esdTree");
 747       fEsd->ReadFromTree(fEsdTree); fEsd->GetStdContent();                       //clm: new ESD schema: see Task Force meeting 20th June, 2007
 748       if(fEsdTree) {
 749         fNevt=fEsdTree->GetEntries(); fType=1;  title+=Form(" ESD-%i ",fNevt);
 750       } else {delete fEsdFile;fEsdFile=0x0;}
 751     } else {delete fEsdFile; delete fEsdTree;}
 752     //clm: we need to set the magnetic field
 753     if(gSystem->IsFileInIncludePath("galice.root")){
 754     if(gAlice) gAlice=0x0;
 755     gAL=AliRunLoader::Open();
 756     gAL->LoadgAlice();
 757     if(gAL)AliHMPIDTracker::SetFieldMap(gAL->GetAliRun()->Field(),kTRUE);
 758    }else{
 759           Printf("=============== NO galice file! Magnetic field for ESD tracking is: %f ===============",AliTracker::GetBz());
 760      }
 761
 762   }
 763
 764   if(gSystem->IsFileInIncludePath("cosmic.root")){                          //clm: Check if cosmic file is in the folder
 765     fCosFile=TFile::Open("cosmic.root");  fCosTree=(TTree*)fCosFile->Get("cosmic");  fNevt=fCosTree->GetEntries();  fType=2;
 766     fCosTree->SetBranchAddress("Digs",&fDigLst);   fCosTree->SetBranchAddress("Clus",&fCluLst);
 767   }
 768
 769   fCanvas=new TCanvas("all","",-1024,768);fCanvas->SetWindowSize(1024,768);
 770   fCanvasImp = fCanvas->GetCanvasImp();
 771   fCanvasImp->ShowStatusBar();
 772   fCanvas->Divide(3,3,0,0);//  pAll->ToggleEditor();
 773   fCanvas->Connect("ProcessedEvent(Int_t,Int_t,Int_t,TObject*)",0,0,"DoZoom(Int_t,Int_t,Int_t,TObject*)");
 774   fCanvas->cd(7);
 775   gStyle->SetPalette(1,0);
 776   switch(fType){
 777     case 1: fCanvas->SetTitle(title.Data());
 778                          TButton *pNxtBtn = new TButton("Next"      ,"NextEvent()"   ,0.0,0.0,0.3,0.1); pNxtBtn->Draw();
 779                          TButton *pPrvBtn = new TButton("Previous"  ,"PrevEvent()"   ,0.3,0.0,0.6,0.1); pPrvBtn->Draw();
 780             if(fHitFile){TButton *pHitBtn = new TButton("Print hits","PrintHits()"   ,0.0,0.2,0.3,0.3); pHitBtn->Draw();}
 781             if(fDigFile){TButton *pDigBtn = new TButton("Print digs","PrintDigs()"   ,0.0,0.4,0.3,0.5); pDigBtn->Draw();}
 782             if(fCluFile){TButton *pCluBtn = new TButton("Print clus","PrintClus()"   ,0.0,0.6,0.3,0.7); pCluBtn->Draw();}
 783             if(fEsdFile){TButton *pEsdBtn = new TButton("Print ESD ","PrintEsd()"    ,0.0,0.8,0.3,0.9); pEsdBtn->Draw();}
 784             if(fHitFile){      fHitMipBok = new TButton(Form("Mip  %s",fStHitMip.Data()),"SwitchHitMip()",0.3,0.16,0.6,0.22); fHitMipBok->Draw();}
 785             if(fHitFile){      fHitCkoBok = new TButton(Form("Ckov %s",fStHitCko.Data()),"SwitchHitCko()",0.3,0.22,0.6,0.28); fHitCkoBok->Draw();}
 786             if(fHitFile){      fHitFeeBok = new TButton(Form("Fdbk %s",fStHitFee.Data()),"SwitchHitFee()",0.3,0.28,0.6,0.34); fHitFeeBok->Draw();}
 787             if(fDigFile){         fDigBok = new TButton(fStDig      ,"SwitchDigs()"  ,0.3,0.4,0.6,0.5); fDigBok->Draw();}
 788             if(fCluFile){         fCluBok = new TButton(fStClu      ,"SwitchClus()"  ,0.3,0.6,0.6,0.7); fCluBok->Draw();}
 789             if(fEsdFile){         fEsdBok = new TButton(fStEsd      ,"SwitchEsd()"   ,0.3,0.8,0.6,0.9); fEsdBok->Draw();}
 790
 791             if(fHitFile){TButton *fHitMipOnly = new TButton(" Only ","OnlyHitMip()",0.6,0.16,0.9,0.22); fHitMipOnly->Draw();}
 792             if(fHitFile){TButton *fHitCkoOnly = new TButton(" Only ","OnlyHitCko()",0.6,0.22,0.9,0.28); fHitCkoOnly->Draw();}
 793             if(fHitFile){TButton *fHitFeeOnly = new TButton(" Only ","OnlyHitFee()",0.6,0.28,0.9,0.34); fHitFeeOnly->Draw();}
 794             if(fDigFile){TButton *fDigOnly    = new TButton(" Only ","OnlyDigs()"  ,0.6,0.40,0.9,0.50); fDigOnly->Draw();}
 795             if(fCluFile){TButton *fCluOnly    = new TButton(" Only ","OnlyClus()"  ,0.6,0.60,0.9,0.70); fCluOnly->Draw();}
 796             if(fEsdFile){TButton *fEsdOnly    = new TButton(" Only ","OnlyEsd()"   ,0.6,0.80,0.9,0.90); fEsdOnly->Draw();}
 797                          TButton *pAll        = new TButton(" ALL  ","All()"       ,0.5,0.90,0.7,1.00); pAll->Draw();
 798
 799                                      TButton *pEnd    = new TButton("Quit"      ,"End()"         ,0.6,0.0,0.9,0.1); pEnd->Draw();
 800     break;
 801     case 2: fCanvas->SetTitle("COSMIC");
 802                          TButton *pCosBtn = new TButton("Next"      ,"NextEvent()",0.0,0.0,0.3,0.1); pCosBtn->Draw();
 803
 804     break;
 805     case 3: fCanvas->SetTitle("SIMULATION");
 806             TButton *pSimBtn = new TButton("Simulate"  ,"NextEvent()",0.0,0.0,0.3,0.1); pSimBtn->Draw();
 807             TButton *pHitBtn = new TButton("Print hits","PrintHits()",0.0,0.2,0.3,0.3); pHitBtn->Draw();
 808             TButton *pDigBtn = new TButton("Print digs","PrintDigs()",0.0,0.4,0.3,0.5); pDigBtn->Draw();
 809             TButton *pCluBtn = new TButton("Print clus","PrintClus()",0.0,0.6,0.3,0.7); pCluBtn->Draw();
 810             TButton *pEsdBtn = new TButton("Print ESD" ,"PrintEsd()" ,0.0,0.8,0.3,0.9); pEsdBtn->Draw();
 811             if(fHitFile){      fHitMipBok = new TButton(Form("Mips %s",fStHitMip.Data()),"SwitchHitMip()",0.3,0.16,0.6,0.22); fHitMipBok->Draw();}
 812             if(fHitFile){      fHitCkoBok = new TButton(Form("Ckov %s",fStHitCko.Data()),"SwitchHitCko()",0.3,0.22,0.6,0.28); fHitCkoBok->Draw();}
 813             if(fHitFile){      fHitFeeBok = new TButton(Form("Fdbk %s",fStHitFee.Data()),"SwitchHitFee()",0.3,0.28,0.6,0.34); fHitFeeBok->Draw();}
 814             if(fDigFile){         fDigBok = new TButton(fStDig      ,"SwitchDigs()"  ,0.3,0.4,0.6,0.5); fDigBok->Draw();}
 815             if(fCluFile){         fCluBok = new TButton(fStClu      ,"SwitchClus()"  ,0.3,0.6,0.6,0.7); fCluBok->Draw();}
 816             if(fEsdFile){         fEsdBok = new TButton(fStEsd      ,"SwitchEsd()"   ,0.3,0.8,0.6,0.9); fEsdBok->Draw();}
 817
 818             if(fHitFile){TButton *fHitMipOnly = new TButton(" Only ","OnlyHitMip()",0.6,0.16,0.9,0.22); fHitMipOnly->Draw();}
 819             if(fHitFile){TButton *fHitCkoOnly = new TButton(" Only ","OnlyHitCko()",0.6,0.22,0.9,0.28); fHitCkoOnly->Draw();}
 820             if(fHitFile){TButton *fHitFeeOnly = new TButton(" Only ","OnlyHitFee()",0.6,0.28,0.9,0.34); fHitFeeOnly->Draw();}
 821             if(fDigFile){TButton *fDigOnly    = new TButton(" Only ","OnlyDigs()"  ,0.6,0.40,0.9,0.50); fDigOnly->Draw();}
 822             if(fCluFile){TButton *fCluOnly    = new TButton(" Only ","OnlyClus()"  ,0.6,0.60,0.9,0.70); fCluOnly->Draw();}
 823             if(fEsdFile){TButton *fEsdOnly    = new TButton(" Only ","OnlyEsd()"   ,0.6,0.80,0.9,0.90); fEsdOnly->Draw();}
 824                          TButton *pSimAll     = new TButton(" ALL  ","All()"       ,0.5,0.90,0.7,1.00); pSimAll->Draw();
 825     break;
 826   }
 827
 828   NextEvent();
 829
 830 }//Hdisp()
 831 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 832 void SwitchHitMip()
 833 {
 834   fStHitMip=(fStHitMip=="OFF")? "ON":"OFF";
 835   GetEvent();
 836 }
 837 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 838 void SwitchHitCko()
 839 {
 840   fStHitCko=(fStHitCko=="OFF")? "ON":"OFF";
 841   GetEvent();
 842 }
 843 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 844 void SwitchHitFee()
 845 {
 846   fStHitFee=(fStHitFee=="OFF")? "ON":"OFF";
 847   GetEvent();
 848 }
 849 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 850 void SwitchDigs()
 851 {
 852   fStDig=(fStDig=="OFF")? "ON":"OFF";
 853   GetEvent();
 854 }
 855 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 856 void SwitchClus()
 857 {
 858   fStClu=(fStClu=="OFF")? "ON":"OFF";
 859   GetEvent();
 860 }
 861 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 862 void SwitchEsd()
 863 {
 864   fStEsd=(fStEsd=="OFF")? "ON":"OFF";
 865    GetEvent();
 866 }
 867 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 868 void AllNo()
 869 {
 870   if(fHitFile) {
 871     fStHitMip = "OFF";
 872     fStHitCko = "OFF";
 873     fStHitFee = "OFF";
 874   }
 875   if(fDigFile) fStDig    = "OFF";
 876   if(fCluFile) fStClu    = "OFF";
 877   if(fEsdFile) fStEsd    = "OFF";
 878 }
 879 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 880 void AllYes()
 881 {
 882   if(fHitFile) {
 883     fStHitMip = "ON";
 884     fStHitCko = "ON";
 885     fStHitFee = "ON";
 886   }
 887   if(fDigFile) fStDig    = "ON";
 888   if(fCluFile) fStClu    = "ON";
 889   if(fEsdFile) fStEsd    = "ON";
 890 }
 891 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 892 void All()
 893 {
 894   AllYes();
 895   GetEvent();
 896 }
 897 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 898 void OnlyHitMip()
 899 {
 900   AllNo();
 901   fStHitMip = "ON";
 902   GetEvent();
 903 }
 904 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 905 void OnlyHitCko()
 906 {
 907   AllNo();
 908   fStHitCko = "ON";
 909   GetEvent();
 910 }
 911 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 912 void OnlyHitFee()
 913 {
 914   AllNo();
 915   fStHitFee = "ON";
 916   GetEvent();
 917 }
 918 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 919 void OnlyDigs()
 920 {
 921   AllNo();
 922   fStDig    = "ON";
 923   GetEvent();
 924 }
 925 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 926 void OnlyClus()
 927 {
 928   AllNo();
 929   fStClu    = "ON";
 930   GetEvent();
 931 }
 932 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 933 void OnlyEsd()
 934 {
 935   AllNo();
 936   fStEsd    = "ON";
 937   GetEvent();
 938 }
 939 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++