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=1; 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 Int_t qSigmaCut=0;
  64
  65 Int_t trigType=0;
  66
  67 AliRunLoader *gAL=0;
  68 AliLoader *gDL=0; // detector loader (needed to get Digits and Clusters)
  69
  70 Int_t nDigs[7];
  71
  72 enum EObjectType {kHitMip=kOpenTriangleUp,kHitCko=kOpenCircle,kHitFee=kOpenDiamond,kCluster=kStar,kTrack=kPlus,kRing=kFullDotSmall};
  73   //  kOpenTriangleUp  Hit Mip
  74   //  kOpenCircle      Hit Ckov
  75   //  kOpenDiamond     Hit Feedback
  76   //  kStar            Cluster
  77   //  kPlus            Track
  78   //  kFullDotSmall    Ring
  79
  80 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  81 void CreateContainers()
  82 {//to create all containers
  83   fHitLst=new TClonesArray("AliHMPIDHit");
  84   fSdiLst=new TClonesArray("AliHMPIDDigit");
  85   fDigLst=new TObjArray(7); for(Int_t i=0;i<7;i++) fDigLst->AddAt(new TClonesArray("AliHMPIDDigit"),i);       fDigLst->SetOwner(kTRUE);
  86   fCluLst=new TObjArray(7); for(Int_t i=0;i<7;i++) fCluLst->AddAt(new TClonesArray("AliHMPIDCluster"),i);     fCluLst->SetOwner(kTRUE);
  87   fEsd   =new AliESDEvent;
  88 }
  89 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  90 void CreateRenders()
  91 {
  92   for(Int_t ch=0;ch<7;ch++){
  93     fRenMip[ch]=new TPolyMarker; fRenMip[ch]->SetMarkerStyle(kOpenTriangleUp);fRenMip[ch]->SetMarkerColor(kBlack)  ;
  94     fRenCko[ch]=new TPolyMarker; fRenCko[ch]->SetMarkerStyle(kOpenCircle);    fRenCko[ch]->SetMarkerColor(kBlack)  ;
  95     fRenFee[ch]=new TPolyMarker; fRenFee[ch]->SetMarkerStyle(kOpenDiamond);   fRenFee[ch]->SetMarkerColor(kBlack)  ;
  96     fRenClu[ch]=new TPolyMarker; fRenClu[ch]->SetMarkerStyle(kStar);          fRenClu[ch]->SetMarkerColor(kMagenta);
  97     fRenTxC[ch]=new TPolyMarker; fRenTxC[ch]->SetMarkerStyle(kPlus);          fRenTxC[ch]->SetMarkerColor(kRed)    ;
  98                                  fRenTxC[ch]->SetMarkerSize(3);
  99     fRenRin[ch]=new TPolyMarker; fRenRin[ch]->SetMarkerStyle(kFullDotSmall);  fRenRin[ch]->SetMarkerColor(kMagenta);
 100
 101     for(Int_t iDig=0;iDig<160*144;iDig++) {
 102       fRenDig[ch][iDig] = new TBox;
 103       fRenDig[ch][iDig]->SetFillStyle(1);
 104       fBox[ch][iDig] = new TBox;
 105       fBox[ch][iDig]->SetFillStyle(0);
 106     }
 107   }
 108 }//CreateRenders()
 109 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 110 void ClearRenders()
 111 {
 112   for(Int_t ch=0;ch<7;ch++){
 113     fRenTxC[ch]->SetPolyMarker(0);
 114     fRenRin[ch]->SetPolyMarker(0);
 115     fRenMip[ch]->SetPolyMarker(0);
 116     fRenCko[ch]->SetPolyMarker(0);
 117     fRenFee[ch]->SetPolyMarker(0);
 118     nDigs[ch] = 0;
 119     fRenClu[ch]->SetPolyMarker(0);
 120   }
 121 }//ClearRenders()
 122 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 123 void PrintHits()
 124 {
 125 //Prints a list of HMPID hits for a given event. Default is event number 0.
 126   if(!fHitTree) return;
 127   Printf("List of HMPID hits for event %i",fEvt);
 128   Int_t iTot=0;
 129   for(Int_t iEnt=0;iEnt<fHitTree->GetEntries();iEnt++){//entries loop
 130     fHitTree->GetEntry(iEnt);
 131     fHitLst->Print();
 132     iTot+=fHitLst->GetEntries();
 133   }
 134   Printf("totally %i hits for event %i",iTot,fEvt);
 135 }//PrintHits();
 136 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 137 void PrintSdis()
 138 {//prints a list of HMPID sdigits  for a given event
 139   Printf("List of HMPID sdigits for event %i",fEvt);
 140   fSdiLst->Print();
 141   Printf("totally %i sdigits for event %i",fSdiLst->GetEntries(),fEvt);
 142 }//PrintSdis()
 143 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 144 void PrintDigs()
 145 {//prints a list of HMPID digits
 146   Printf("List of HMPID digits for event %i",fEvt);
 147   fDigLst->Print();
 148   Int_t iTot=0;  for(Int_t i=0;i<7;i++) {iTot+=((TClonesArray*)fDigLst->At(i))->GetEntries();}
 149   Printf("totally %i digits for event %i",iTot,fEvt);
 150 }
 151 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 152 void PrintClus()
 153 {//prints a list of HMPID clusters  for a given event
 154   Printf("List of HMPID clusters for event %i",fEvt);
 155
 156   fCluLst->Print();
 157   Int_t iTot=0; for(Int_t iCh=0;iCh<7;iCh++) iTot+=((TClonesArray*)fCluLst->At(iCh))->GetEntries();
 158
 159   Printf("totally %i clusters for event %i",iTot,fEvt);
 160 }
 161 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 162 void PrintEsd()
 163 {//prints a list of HMPID Esd  for a given event
 164   Printf("List of HMPID ESD summary for event %i",fEvt);
 165   for(Int_t iTrk=0;iTrk<fEsd->GetNumberOfTracks();iTrk++){
 166     AliESDtrack *pTrk = fEsd->GetTrack(iTrk);
 167
 168     Double_t xout[3],pout[3];
 169
 170     pTrk->GetOuterPxPyPz(pout);
 171     Double_t pMomOut = TMath::Sqrt(pout[0]*pout[0]+pout[1]*pout[1]+pout[2]*pout[2]);
 172
 173     Float_t x,y;Int_t q,nacc;   pTrk->GetHMPIDmip(x,y,q,nacc);
 174     Int_t ch,idx,size;
 175     Int_t word = pTrk->GetHMPIDcluIdx();
 176     ch = word/1000000;
 177     word = word%1000000;
 178     size = word/1000;
 179     idx = word%1000;
 180     Printf("Track %02i Ch. %2i with pOuter %7.2f with ThetaCer %7.3f with %3i photons with MIP Q %4i size %2i (idx %3i)",iTrk,ch,pMomOut,
 181         pTrk->GetHMPIDsignal(),nacc,q,size,idx);
 182   }
 183 }//PrintEsd()
 184 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 185 void DrawChamber(Int_t iCh)
 186 {//used by Draw() to Draw() chamber structure
 187   gPad->Range(-10,-10,AliHMPIDParam::SizeAllX()+5,AliHMPIDParam::SizeAllY()+5);
 188   if(iCh>=0){TLatex txt; txt.SetTextSize(0.06); txt.DrawLatex(55,-9,Form("RICH %i",iCh));}
 189
 190   for(Int_t iPc=AliHMPIDParam::kMinPc;iPc<=AliHMPIDParam::kMaxPc;iPc++){
 191     TBox *pBox=new TBox(AliHMPIDParam::MinPcX(iPc),AliHMPIDParam::MinPcY(iPc),
 192                         AliHMPIDParam::MaxPcX(iPc),AliHMPIDParam::MaxPcY(iPc));
 193     pBox->SetFillStyle(0);  pBox->Draw();
 194   }//PC loop
 195 }//DrawChamber()
 196 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 197 void DrawLegend()
 198 {//used by Draw() to draw legend
 199   Int_t nTxC=0,nMip=0,nCko=0,nFee=0,nDig=0,nClu=0;
 200   for(Int_t ch=0;ch<7;ch++){
 201     nTxC+=fRenTxC[ch]->Size();
 202     nMip+=fRenMip[ch]->Size();
 203     nCko+=fRenCko[ch]->Size();
 204     nFee+=fRenFee[ch]->Size();
 205     nClu+=fRenClu[ch]->Size();
 206     nDig+=nDigs[ch];
 207   }
 208   TLegend *pLeg=new TLegend(0.15,0.3,0.85,0.98);
 209   pLeg->SetHeader(Form("Event %i Total %i",fEvt,fNevt));
 210   pLeg->AddEntry(fRenTxC[0],   Form("TRKxPC %i"  ,nTxC),"p");
 211   pLeg->AddEntry(fRenMip[0],   Form("Mip hits %i"  ,nMip),"p");
 212   pLeg->AddEntry(fRenCko[0],   Form("Ckov hits %i"  ,nCko),"p");
 213   pLeg->AddEntry(fRenFee[0],   Form("Feed hits %i"  ,nFee),"p");
 214   pLeg->AddEntry(fRenDig[0][0],Form("Digs %i"  ,nDig),"p");
 215   pLeg->AddEntry(fRenClu[0],   Form("Clus %i"  ,nClu),"p");
 216   pLeg->Draw();
 217
 218 /*  TLegend *pLeg2 = new TLegend(0.4,0.087,0.8,0.97);
 219   pLeg2->SetHeader("");
 220   pLeg2->AddEntry(fRenMip[0],Form("Mip hits %i"   ,nMip),"p");
 221   pLeg2->Draw();*/
 222
 223  TBox *pBox = new TBox(0.012,0.01,0.97,0.28);
 224  pBox->Draw("l");
 225
 226  TText *pText = new TText(0.35,0.21, "ddl = (0....13)");
 227  pText->SetTextSize(0.06);
 228  pText->Draw();
 229
 230  TText *pText2 = new TText(0.09,0.15,"RICH n ---> ddl 2n (left) & 2n+1 (right)");
 231  pText2->SetTextSize(0.06);
 232  pText2->Draw();
 233
 234  TText *pText3 = new TText(0.1,0.09, "phcat (0,2,4) left,   phcat (1,3,5) right");
 235  pText3->SetTextSize(0.06);
 236  pText3->Draw();
 237
 238  TText *pText4 = new TText(0.35,0.03, Form("sigma cut = %i",qSigmaCut));
 239  pText4->SetTextSize(0.06);
 240  pText4->Draw();
 241
 242 }//DrawLegend()
 243 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 244 void Draw()
 245 {//draws all the objects of current event in given canvas
 246   Int_t iPadN[7]={9,8,6,5,4,2,1};
 247   Int_t sampleCol = fMaxCharge/gStyle->GetNumberOfColors();
 248   for(Int_t iCh=0;iCh<7;iCh++){//chambers loop
 249     fCanvas->cd(iPadN[iCh]);
 250     gPad->SetEditable(kTRUE); gPad->Clear(); DrawChamber(iCh);
 251
 252     if(fDigFile){
 253       if(fStDig   =="ON") {
 254         for(Int_t iDig=0;iDig<nDigs[iCh];iDig++) {
 255           Int_t charge = fRenDig[iCh][iDig]->GetUniqueID();
 256           Int_t color = charge/sampleCol;if(color>=gStyle->GetNumberOfColors()) color = gStyle->GetNumberOfColors()-1;
 257           fRenDig[iCh][iDig]->SetFillColor(gStyle->GetColorPalette(color));
 258           fRenDig[iCh][iDig]->Draw();
 259           fBox[iCh][iDig]->Draw();
 260         }
 261       }
 262     }
 263
 264     if(fEsdFile){if(fStEsd   =="ON") fRenTxC[iCh]->Draw();}
 265
 266     if(fHitFile){
 267       if(fStHitMip=="ON") fRenMip[iCh]->Draw();
 268       if(fStHitFee=="ON") fRenFee[iCh]->Draw();
 269       if(fStHitCko=="ON") fRenCko[iCh]->Draw();
 270     }
 271
 272     if(fEsdFile){if(fStEsd   =="ON") fRenRin[iCh]->Draw();}
 273     if(fCluFile){if(fStClu   =="ON") fRenClu[iCh]->Draw();}
 274     gPad->SetEditable(kFALSE);
 275   }//chambers loop
 276
 277   fCanvas->cd(3);  gPad->Clear(); DrawLegend();
 278
 279   fCanvas->cd(7);
 280
 281   if(fHitFile){
 282     fHitMipBok->SetTitle(Form("Mips  %s",fStHitMip.Data())); fHitMipBok->Modified();
 283     fHitCkoBok->SetTitle(Form("Ckov  %s",fStHitCko.Data())); fHitCkoBok->Modified();
 284     fHitFeeBok->SetTitle(Form("Fdbk  %s",fStHitFee.Data())); fHitFeeBok->Modified();
 285   }
 286   if(fDigFile){fDigBok->SetTitle(fStDig); fDigBok->Modified();}
 287   if(fCluFile){fCluBok->SetTitle(fStClu); fCluBok->Modified();}
 288   if(fEsdFile){fEsdBok->SetTitle(fStEsd); fEsdBok->Modified();}
 289
 290 }//Draw()
 291 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 292 void RenderHit(TClonesArray *pHitLst)
 293 {//used by ReadEvent() to render hits to polymarker structures, one per chamber
 294   for(Int_t iHit=0;iHit<pHitLst->GetEntries();iHit++){       //hits loop
 295     AliHMPIDHit *pHit = (AliHMPIDHit*)pHitLst->At(iHit); Int_t ch=pHit->Ch(); Float_t x=pHit->LorsX(); Float_t y=pHit->LorsY();    //get current hit
 296     switch(pHit->Pid()){
 297       case 50000050: fRenCko[ch]->SetNextPoint(x,y);break;
 298       case 50000051: fRenFee[ch]->SetNextPoint(x,y);break;
 299       default:       fRenMip[ch]->SetNextPoint(x,y);break;
 300     }//switch hit PID
 301 //    Printf("----------ihit %i ch %i chhit %i MIP %i CKO %i FEE %i",iHit,ch,pHit->Pid());
 302   }//hits loop for this entry
 303 }//RenderHits()
 304 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 305 void RenderDig(TObjArray *pDigLst)
 306 {//used by ReadEvent() to render digs to Tbox structures, one per chamber
 307
 308   for(Int_t iCh=0;iCh<=6;iCh++){                                    //chambers loop
 309     TClonesArray *pDigCham=(TClonesArray*)pDigLst->At(iCh);         //get digs list for this chamber
 310     nDigs[iCh] = 0;
 311     fTotPads[iCh] = pDigCham->GetEntries();
 312     Int_t iDigEff=0;
 313     for(Int_t iDig=0;iDig<pDigCham->GetEntries();iDig++){            //digs loop
 314       AliHMPIDDigit *pDig = (AliHMPIDDigit*)pDigCham->At(iDig); Float_t x=pDig->LorsX(); Float_t y=pDig->LorsY();    //get current hit
 315       if((Int_t)pDig->Q()<=qSigmaCut) continue;
 316       fRenDig[iCh][iDigEff]->SetX1(x-0.5*AliHMPIDParam::SizePadX());
 317       fRenDig[iCh][iDigEff]->SetX2(x+0.5*AliHMPIDParam::SizePadX());
 318       fRenDig[iCh][iDigEff]->SetY1(y-0.5*AliHMPIDParam::SizePadY());
 319       fRenDig[iCh][iDigEff]->SetY2(y+0.5*AliHMPIDParam::SizePadY());
 320       fRenDig[iCh][iDigEff]->SetUniqueID((Int_t)pDig->Q());
 321       fBox[iCh][iDigEff]->SetX1(x-0.5*AliHMPIDParam::SizePadX());
 322       fBox[iCh][iDigEff]->SetX2(x+0.5*AliHMPIDParam::SizePadX());
 323       fBox[iCh][iDigEff]->SetY1(y-0.5*AliHMPIDParam::SizePadY());
 324       fBox[iCh][iDigEff]->SetY2(y+0.5*AliHMPIDParam::SizePadY());
 325       iDigEff++;
 326       nDigs[iCh]++;
 327     }//Digit loop
 328   }//hits loop for this entry
 329 }//RenderHits()
 330 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 331 void RenderClu(TObjArray *pClus)
 332 {//used by ReadEvent() to render clusters to polymarker structures, one per chamber
 333   for(Int_t iCh=0;iCh<=6;iCh++){                                     //chambers loop
 334     TClonesArray *pClusCham=(TClonesArray*)pClus->At(iCh);           //get clusters list for this chamber
 335     fTotClus[iCh] = pClusCham->GetEntries();
 336     for(Int_t iClu=0;iClu<pClusCham->GetEntries();iClu++){           //clusters loop
 337       AliHMPIDCluster *pClu = (AliHMPIDCluster*)pClusCham->At(iClu); //get current cluster
 338       fRenClu[iCh]->SetNextPoint(pClu->X(),pClu->Y());
 339 //      Printf("RenderClu: ch %i x %f y %f",iCh,pClu->X(),pClu->Y());
 340     }//cluster loop
 341   }//chamber loop for this entry
 342 }//RenderClus()
 343 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 344 void RenderEsd(AliESDEvent *pEsd)
 345 {//used by ReadEvent() to render ESD to polymarker structures for rings and intersections one per chamber
 346   AliHMPIDRecon rec;
 347   for(Int_t iTrk=0;iTrk<pEsd->GetNumberOfTracks();iTrk++){//tracks loop to collect cerenkov rings and intersection points
 348     AliESDtrack *pTrk=pEsd->GetTrack(iTrk);    Int_t ch=pTrk->GetHMPIDcluIdx(); //get track and chamber intersected by it
 349     ch/=1000000;
 350     Float_t xPc,yPc,xRa,yRa,thRa,phRa;
 351     pTrk->GetHMPIDtrk(xRa,yRa,thRa,phRa);;
 352     if(ch<AliHMPIDParam::AliHMPIDParam::kMinCh||ch>AliHMPIDParam::kMaxCh) continue;//this track does not intersect any chamber
 353     Int_t npTrk = fRenTxC[ch]->SetNextPoint(xRa,yRa);                           //add this intersection point
 354     Float_t ckov=pTrk->GetHMPIDsignal();                                        //get ckov angle stored for this track
 355     if(ckov>0){
 356       rec.SetTrack(xRa,yRa,thRa,phRa);
 357       fRenRin[ch]->SetUniqueID(npTrk);
 358       for(Int_t j=0;j<500;j++){
 359         TVector2 pos; pos=rec.TracePhot(ckov,j*6.28/500.);
 360        if(!AliHMPIDParam::IsInDead(pos.X(),pos.Y())) fRenRin[ch]->SetNextPoint(pos.X(),pos.Y());
 361       }
 362     }//if ckov is valid
 363   }//tracks loop
 364 }//RenEsd()
 365 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 366 TString Stack(Int_t evt,Int_t tid)
 367 {
 368 // Prints some useful info from stack
 369 // Arguments: evt - event number. if not -1 print info only for that event
 370 //            tid - track id. if not -1 then print it and all it's mothers if any
 371 //   Returns: mother tid of the given tid if any
 372   if(gAL->LoadHeader()) return -1;
 373   if(gAL->LoadKinematics()) return -1;
 374
 375   gAL->GetEvent(evt);
 376   AliStack *pStack=gAL->Stack();
 377   TParticle *pTrack=pStack->Particle(tid);
 378 //  Int_t mtid=pTrack->GetFirstMother();
 379   TString str;
 380   str.Append(Form("with P = %7.4f (%7.4f,%7.4f,%7.4f) GeV/c ",pTrack->P(),pTrack->Px(),pTrack->Py(),pTrack->Pz()));
 381   gAL->UnloadHeader();  gAL->UnloadKinematics();
 382   return str;
 383 }
 384 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 385 void DispTB(TString t0,TString t1,TString t2,TString t3)
 386 {
 387   fCanvasImp->SetStatusText(t0,0);
 388   fCanvasImp->SetStatusText(t1,1);
 389   fCanvasImp->SetStatusText(t2,2);
 390   fCanvasImp->SetStatusText(t3,3);
 391 }
 392 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 393 Bool_t FindPos(TVector3 xyz,Int_t &cham,Int_t &sect,Int_t &gap,Int_t &padX,Int_t &padY)
 394 {
 395 // It finds the chamber parameters for a given point
 396 // Arguments:  xyz  coordinates of a given point in MARS
 397 //   Returns:  cham   chamber ID ( 0-6 )
 398 //             sect   sector  ID ( 0-5 )
 399 //             padX   X (integer) of the pad in X in the given sector (1-80)
 400 //             padY   Y (integer) of the pad in Y in the given sector (1-48)
 401   cham = -1;
 402   TGeoNode *node = gGeoManager->FindNode(xyz.X(),xyz.Y(),xyz.Z());
 403   if(!node) return kFALSE;
 404   TGeoVolume *vol = node->GetVolume();
 405   if(!vol) return kFALSE;
 406   TGeoManager *geo = vol->GetGeoManager();
 407   if(!geo) return kFALSE;
 408   Int_t i=0;
 409   while(geo->GetMother(i)) {
 410     TString s = geo->GetMother(i)->GetName();
 411 //    if(s.Contains("Hcel_")) padX=(Int_t)(s.Remove(0,5)).Atof();
 412 //    if(s.Contains("Hrow_")) padY=(Int_t)(s.Remove(0,5)).Atof();
 413 //    if(s.Contains("Hsec_")) sect=(Int_t)(s.Remove(0,5)).Atof();
 414 //    if(s.Contains("Hmp_"))  cham=(Int_t)(s.Remove(0,4)).Atof();
 415     if(s.Contains("Hcel_")) padX=geo->GetMother(i)->GetNumber();
 416     if(s.Contains("Hrow_")) padY=geo->GetMother(i)->GetNumber();
 417     if(s.Contains("Hsec_")) sect=geo->GetMother(i)->GetNumber();
 418     if(s.Contains("Hmp_"))  cham=geo->GetMother(i)->GetNumber();
 419     i++;
 420   }
 421   return (cham==-1) ? kFALSE : kTRUE;
 422 }
 423 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 424 void DisplayInfo(Int_t evt,Int_t px, Int_t py)
 425 {
 426   if(!gPad) return;
 427   TVirtualPad *pPad=gPad->GetSelectedPad();
 428   Int_t padN = pPad->GetNumber()-1;
 429   if(padN<0 || padN>8) return;
 430   Int_t ch,pc,padX,padY;
 431   ch = fChamN[padN];
 432   if(ch<0) return;
 433   TString text0,text1,text2,text3;
 434
 435   Float_t x=pPad->AbsPixeltoX(px); Float_t y=pPad->AbsPixeltoY(py);
 436   fParam->Lors2Pad(x,y,pc,padX,padY);
 437   TVector3 xyz=fParam->Lors2Mars(ch,x,y);
 438
 439   if(padX>=0&&padY>=0) {
 440     text0.Append(Form("Pad(%i,%i)-LORS(%6.2f,%6.2f)-MARS(%7.2f,%7.2f,%7.2f) A(%6.2f,%6.2f)",padX,padY,x,y,xyz.X(),xyz.Y(),xyz.Z(),
 441                                                                                                  xyz.Theta()*TMath::RadToDeg(),xyz.Phi()*TMath::RadToDeg()));
 442     text1.Append(Form("Module %i Sector %i",ch,pc));
 443     text2="";
 444     text3.Append(Form("Pads = %i - Clusters = %i - Occupancy %5.2f%%",fTotPads[ch],fTotClus[ch],100.*fTotPads[ch]/(144.*160.)));
 445   }
 446
 447   TObject *obj = fCanvas->GetSelected();
 448   TString name = obj->GetName();
 449
 450 // Find object DIGIT
 451
 452   if(name=="") {DispTB(text0,text1,text2,text3);return;} // TLatex not interesting
 453
 454   if(name.Contains("TBox")) {
 455     TBox *box = (TBox*)obj;
 456     if(box->GetUniqueID()==0) return; // just black frame hit!
 457     text2.Append(Form("charge = %i ADC",box->GetUniqueID()));
 458     DispTB(text0,text1,text2,text3);
 459     return;
 460   }
 461 //
 462 // Find object HITs CLUSTER TRACK and RING (based on TPolyMarker and symbol)
 463 //
 464   TPolyMarker *b = (TPolyMarker*)obj;
 465
 466   const Int_t big = 9999;
 467
 468   // check if point is near one of the points
 469   Int_t distance = big;
 470   Int_t index=0;
 471
 472   Double_t *xPol = b->GetX();
 473   Double_t *yPol = b->GetY();
 474
 475   for(Int_t i=0;i<b->Size();i++) {
 476     Int_t pxp = pPad->XtoAbsPixel(pPad->XtoPad(xPol[i]));
 477     Int_t pyp = pPad->YtoAbsPixel(pPad->YtoPad(yPol[i]));
 478     Int_t d   = TMath::Abs(pxp-px) + TMath::Abs(pyp-py);
 479     if (d < distance) {distance = d; index=i;}
 480   }
 481
 482   Int_t symbol = b->GetMarkerStyle();
 483
 484   //  kOpenTriangleUp  Hit Mip
 485   //  kOpenCircle      Hit Ckov
 486   //  kOpenDiamond     Hit Feedback
 487   //  kStar            Cluster
 488   //  kPlus            Track
 489   //  kFullDotSmall    Ring
 490
 491   // Case Hit Mip of Hit Ckov or Hit Feedback
 492   if(symbol==kHitMip || symbol==kHitCko || symbol==kHitFee) {
 493     if(evt!=kButton1Down) return;
 494     TString nameHit;
 495     Int_t iCko[7]={0,0,0,0,0,0,0};
 496     Int_t iFee[7]={0,0,0,0,0,0,0};
 497     Int_t iMip[7]={0,0,0,0,0,0,0};
 498     Int_t iHit;
 499     Int_t chHit;
 500     Int_t indHit=0;
 501
 502     Int_t indTrk = b->GetUniqueID(); // track index
 503     for(Int_t iEnt=0;iEnt<fHitTree->GetEntries();iEnt++){//entries loop
 504       fHitTree->GetEntry(iEnt);
 505       for(iHit=0;iHit<fHitLst->GetEntries();iHit++) {       //hits loop
 506         AliHMPIDHit *pHit = (AliHMPIDHit*)fHitLst->At(iHit);
 507         chHit = pHit->Ch();
 508         Int_t pid = pHit->Pid();
 509         if(pid==50000050) iCko[chHit]++;
 510         else if(pid==50000051) iFee[chHit]++;
 511         else iMip[chHit]++;
 512
 513         if(symbol==kHitMip && ch==chHit && index==iMip[chHit]-1) {indTrk=iEnt;indHit = iHit;break;}
 514         if(symbol==kHitCko && ch==chHit && index==iCko[chHit]-1) {indTrk=iEnt;indHit = iHit;break;}
 515         if(symbol==kHitFee && ch==chHit && index==iFee[chHit]-1) {indTrk=iEnt;indHit = iHit;break;}
 516       }
 517     }
 518     fHitTree->GetEntry(indTrk);
 519     AliHMPIDHit *pHit = (AliHMPIDHit*)fHitLst->At(indHit);
 520
 521     Int_t tid = pHit->Tid();
 522
 523     TString str = Stack(fEvt,tid);
 524
 525     Float_t x=pHit->LorsX();
 526     Float_t y=pHit->LorsY();
 527     Float_t charge = pHit->Q();
 528
 529     TVector3 v = fParam->Lors2Mars(pHit->Ch(),pHit->LorsX(),pHit->LorsY());
 530     Int_t cham,sect,gap,padX,padY;
 531     FindPos(v,cham,sect,gap,padX,padY);
 532
 533     if(pHit->Pid()==50000050) {nameHit = " Cherenkov Photon ";}
 534     else if(pHit->Pid()==50000051) {nameHit = " Feedback Photon ";}
 535     else if(fPdg->GetParticle(pHit->Pid())) nameHit = fPdg->GetParticle(pHit->Pid())->GetName();
 536     nameHit.Append(Form(" (tid %i)",tid));
 537     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()));
 538     text2="";text2.Append(Form("Q = %7.2f ADC",charge));
 539     text3="";text3="Particle: "+ nameHit +" "+ str;
 540   } // Hit
 541   else if (symbol==kCluster) {
 542     TClonesArray *pClusCham=(TClonesArray*)fCluLst->At(ch);         //get clusters list for this chamber
 543     AliHMPIDCluster *pClu = (AliHMPIDCluster*)pClusCham->At(index); //get current cluster
 544     text0="";text0.Append(Form("CLUSTER: x %6.2f y %6.2f",pClu->X(),pClu->Y()));
 545     text2="";text2.Append(Form("charge = %i ADC",(Int_t)pClu->Q()));
 546     }
 547   else if (symbol==kTrack || symbol==kRing) {
 548     if(symbol==kRing) index = b->GetUniqueID();
 549     AliESDtrack *pTrk=fEsd->GetTrack(index);
 550     Float_t xPc,yPc,thRa,phRa,xRa,yRa;
 551     Int_t ch = AliHMPIDTracker::IntTrkCha(pTrk,xPc,yPc,xRa,yRa,thRa,phRa);
 552     text0="";text0.Append(Form("TRACK n.%d: x %6.2f y %6.2f at PC plane in chamber %i",index,xPc,yPc,ch));
 553     text2="";text2.Append(Form("p = %7.2f GeV/c",pTrk->GetP()));
 554     Float_t ckov=pTrk->GetHMPIDsignal();
 555     Double_t prob[5];
 556     pTrk->GetHMPIDpid(prob);
 557     if(ckov>0){
 558       Float_t x,y;Int_t q,nacc;   pTrk->GetHMPIDmip(x,y,q,nacc);
 559       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%%",
 560           pTrk->GetHMPIDsignal(),nacc,prob[0]*100,prob[1]*100,prob[2]*100,prob[3]*100,prob[4]*100));
 561     }
 562   }
 563 //Update toolbar status
 564
 565   DispTB(text0,text1,text2,text3);
 566 }
 567 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 568 void CloseInfo()
 569 {
 570 }
 571 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 572 void DoZoom(Int_t evt, Int_t px, Int_t py, TObject *)
 573 {
 574 //  Printf(" px %i py%i event %i",px,py,evt);
 575
 576   if(evt== 1) evt = 5;  //for laptop with touchpad: zoom in with left button
 577   if(evt== 2) evt = 6;  //for laptop with touchpad: zoom out with both buttons
 578
 579   if(evt==kMouseMotion||evt==kButton1Down) DisplayInfo(evt,px,py);
 580 //  if(evt==11)  CloseInfo();
 581   if(evt!=5 && evt!=6) return; //5- zoom in 6-zoom out
 582   const Int_t minZoom=64;
 583   const Int_t maxZoom=2;
 584   static Int_t zoom[7]={64,64,64,64,64,64,64}; //zoom level
 585
 586  // if(!obj->IsA()->InheritsFrom("TPad")) return;  //current object is not pad
 587   TVirtualPad *pPad=gPad->GetSelectedPad();
 588   Int_t padN = pPad->GetNumber()-1;
 589   if(padN<0 || padN>8) return;
 590
 591   Int_t iCh = fChamN[padN];
 592   if(iCh < 0) return;
 593
 594   if(evt==5&&zoom[iCh]==maxZoom) return;
 595   if(evt==6&&zoom[iCh]==minZoom) return;
 596
 597   Float_t x=pPad->AbsPixeltoX(px); Float_t y=pPad->AbsPixeltoY(py);
 598
 599   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
 600   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
 601   if(zoom[iCh]==minZoom) pPad->Range(-10,-10,AliHMPIDParam::SizeAllX()+5,AliHMPIDParam::SizeAllY()+5);
 602   ((TCanvas *)gTQSender)->SetTitle(Form("zoom x%i",minZoom/zoom[iCh]));
 603   pPad->Modified();
 604   pPad->Update();
 605 }
 606 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 607 void CheckStatus()
 608 {
 609   if(fHitFile){
 610     if(fStHitMip=="OFF") {fHitMipBok->SetFillColor(kRed);} else {fHitMipBok->SetFillColor(18);}
 611     if(fStHitCko=="OFF") {fHitCkoBok->SetFillColor(kRed);} else {fHitCkoBok->SetFillColor(18);}
 612     if(fStHitFee=="OFF") {fHitFeeBok->SetFillColor(kRed);} else {fHitFeeBok->SetFillColor(18);}
 613   }
 614   if(fDigFile){if(fStDig   =="OFF") {fDigBok->SetFillColor(kRed);} else {fDigBok->SetFillColor(18);}}
 615   if(fCluFile){if(fStClu   =="OFF") {fCluBok->SetFillColor(kRed);} else {fCluBok->SetFillColor(18);}}
 616   if(fEsdFile){if(fStEsd   =="OFF") {fEsdBok->SetFillColor(kRed);} else {fEsdBok->SetFillColor(18);}}
 617 }
 618 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 619 void GetEvent()
 620 {
 621   ClearRenders();
 622
 623   ReadEvent();
 624
 625   while(!Trigger()) {
 626   Printf(" trigger %i for event %i",Trigger(),fEvt);
 627     fEvt+=fTimeArrow;
 628     ClearRenders();
 629     ReadEvent();
 630   }
 631
 632   CheckStatus();
 633   Draw();
 634 }
 635 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 636 void NextEvent()
 637 {
 638   fTimeArrow = 1;
 639   fEvt+=fTimeArrow;
 640   GetEvent();
 641 }
 642 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 643 void PrevEvent()
 644 {
 645   fTimeArrow = -1;
 646   fEvt+=fTimeArrow;
 647   GetEvent();
 648 }
 649 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 650 void End()
 651 {
 652   gSystem->Exit(0);
 653 }
 654 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 655 void Hdisp()
 656 {//display events from files if any in current directory or simulated events
 657
 658   fParam=AliHMPIDParam::Instance();                          // first invocation of AliHMPIDParam to initialize geometry...
 659   fPdg = TDatabasePDG::Instance();                           // first invocation of TDatabasePDG to retrieve particle infos...
 660
 661   CreateContainers();
 662   CreateRenders();
 663
 664   TString title="Session with";
 665
 666   LoadRunLoader();
 667
 668   if(gSystem->IsFileInIncludePath("HMPID.Hits.root")){// tries to open hits
 669     fHitFile=TFile::Open("HMPID.Hits.root");       fNevt=fHitFile->GetNkeys(); fType=1; title+=Form(" HITS-%i ",fNevt);
 670   }
 671
 672   if(gSystem->IsFileInIncludePath("HMPID.Digits.root")){// tries to open clusters
 673      fDigFile=TFile::Open("HMPID.Digits.root");  fNevt=fDigFile->GetNkeys(); fType=1;  title+=Form(" DIGITS-%i ",fNevt);
 674    }
 675
 676   if(gSystem->IsFileInIncludePath("HMPID.RecPoints.root")){// tries to open clusters
 677     fCluFile=TFile::Open("HMPID.RecPoints.root");  fNevt=fCluFile->GetNkeys(); fType=1;  title+=Form(" CLUSTERS-%i ",fNevt);
 678    }
 679
 680   if(gSystem->IsFileInIncludePath("cosmic.root")){                          //clm: Check if cosmic file is in the folder
 681     fCosFile=TFile::Open("cosmic.root");  fCosTree=(TTree*)fCosFile->Get("cosmic");  fNevt=fCosTree->GetEntries();  fType=2;
 682     fCosTree->SetBranchAddress("Digs",&fDigLst);   fCosTree->SetBranchAddress("Clus",&fCluLst);
 683   }
 684
 685   if(gSystem->IsFileInIncludePath("AliESDs.root")){
 686     fEsdFile=TFile::Open("AliESDs.root");
 687     if(fEsdFile) {
 688       fEsdTree=(TTree*)fEsdFile->Get("esdTree");
 689       fEsd->ReadFromTree(fEsdTree); fEsd->GetStdContent();                       //clm: new ESD schema: see Task Force meeting 20th June, 2007
 690       if(fEsdTree) {
 691         fNevt=fEsdTree->GetEntries(); fType=1;  title+=Form(" ESD-%i ",fNevt);
 692       } else {delete fEsdFile;fEsdFile=0x0;}
 693     } else {delete fEsdFile; delete fEsdTree;}
 694   }
 695
 696   fCanvas=new TCanvas("all","",-1024,768);fCanvas->SetWindowSize(1024,768);
 697   fCanvasImp = fCanvas->GetCanvasImp();
 698   fCanvasImp->ShowStatusBar();
 699   fCanvas->Divide(3,3,0,0);//  pAll->ToggleEditor();
 700   fCanvas->Connect("ProcessedEvent(Int_t,Int_t,Int_t,TObject*)",0,0,"DoZoom(Int_t,Int_t,Int_t,TObject*)");
 701   fCanvas->cd(7);
 702   gStyle->SetPalette(1,0);
 703   switch(fType){
 704     case 1: fCanvas->SetTitle(title.Data());
 705                          TButton *pNxtBtn = new TButton("Next"      ,"NextEvent()"   ,0.0,0.0,0.3,0.1); pNxtBtn->Draw();
 706                          TButton *pPrvBtn = new TButton("Previous"  ,"PrevEvent()"   ,0.3,0.0,0.6,0.1); pPrvBtn->Draw();
 707             if(fHitFile){TButton *pHitBtn = new TButton("Print hits","PrintHits()"   ,0.0,0.2,0.3,0.3); pHitBtn->Draw();}
 708             if(fDigFile){TButton *pDigBtn = new TButton("Print digs","PrintDigs()"   ,0.0,0.4,0.3,0.5); pDigBtn->Draw();}
 709             if(fCluFile){TButton *pCluBtn = new TButton("Print clus","PrintClus()"   ,0.0,0.6,0.3,0.7); pCluBtn->Draw();}
 710             if(fEsdFile){TButton *pEsdBtn = new TButton("Print ESD ","PrintEsd()"    ,0.0,0.8,0.3,0.9); pEsdBtn->Draw();}
 711             if(fHitFile){      fHitMipBok = new TButton(Form("Mip  %s",fStHitMip.Data()),"SwitchHitMip()",0.3,0.16,0.6,0.22); fHitMipBok->Draw();}
 712             if(fHitFile){      fHitCkoBok = new TButton(Form("Ckov %s",fStHitCko.Data()),"SwitchHitCko()",0.3,0.22,0.6,0.28); fHitCkoBok->Draw();}
 713             if(fHitFile){      fHitFeeBok = new TButton(Form("Fdbk %s",fStHitFee.Data()),"SwitchHitFee()",0.3,0.28,0.6,0.34); fHitFeeBok->Draw();}
 714             if(fDigFile){         fDigBok = new TButton(fStDig      ,"SwitchDigs()"  ,0.3,0.4,0.6,0.5); fDigBok->Draw();}
 715             if(fCluFile){         fCluBok = new TButton(fStClu      ,"SwitchClus()"  ,0.3,0.6,0.6,0.7); fCluBok->Draw();}
 716             if(fEsdFile){         fEsdBok = new TButton(fStEsd      ,"SwitchEsd()"   ,0.3,0.8,0.6,0.9); fEsdBok->Draw();}
 717
 718             if(fHitFile){TButton *fHitMipOnly = new TButton(" Only ","OnlyHitMip()",0.6,0.16,0.9,0.22); fHitMipOnly->Draw();}
 719             if(fHitFile){TButton *fHitCkoOnly = new TButton(" Only ","OnlyHitCko()",0.6,0.22,0.9,0.28); fHitCkoOnly->Draw();}
 720             if(fHitFile){TButton *fHitFeeOnly = new TButton(" Only ","OnlyHitFee()",0.6,0.28,0.9,0.34); fHitFeeOnly->Draw();}
 721             if(fDigFile){TButton *fDigOnly    = new TButton(" Only ","OnlyDigs()"  ,0.6,0.40,0.9,0.50); fDigOnly->Draw();}
 722             if(fCluFile){TButton *fCluOnly    = new TButton(" Only ","OnlyClus()"  ,0.6,0.60,0.9,0.70); fCluOnly->Draw();}
 723             if(fEsdFile){TButton *fEsdOnly    = new TButton(" Only ","OnlyEsd()"   ,0.6,0.80,0.9,0.90); fEsdOnly->Draw();}
 724                          TButton *pAll        = new TButton(" ALL  ","All()"       ,0.5,0.90,0.7,1.00); pAll->Draw();
 725
 726                                      TButton *pEnd    = new TButton("Quit"      ,"End()"         ,0.6,0.0,0.9,0.1); pEnd->Draw();
 727     break;
 728     case 2: fCanvas->SetTitle("COSMIC");
 729                          TButton *pCosBtn = new TButton("Next"      ,"NextEvent()",0.0,0.0,0.3,0.1); pCosBtn->Draw();
 730
 731     break;
 732     case 3: fCanvas->SetTitle("SIMULATION");
 733             TButton *pSimBtn = new TButton("Simulate"  ,"NextEvent()",0.0,0.0,0.3,0.1); pSimBtn->Draw();
 734             TButton *pHitBtn = new TButton("Print hits","PrintHits()",0.0,0.2,0.3,0.3); pHitBtn->Draw();
 735             TButton *pDigBtn = new TButton("Print digs","PrintDigs()",0.0,0.4,0.3,0.5); pDigBtn->Draw();
 736             TButton *pCluBtn = new TButton("Print clus","PrintClus()",0.0,0.6,0.3,0.7); pCluBtn->Draw();
 737             TButton *pEsdBtn = new TButton("Print ESD" ,"PrintEsd()" ,0.0,0.8,0.3,0.9); pEsdBtn->Draw();
 738             if(fHitFile){      fHitMipBok = new TButton(Form("Mips %s",fStHitMip.Data()),"SwitchHitMip()",0.3,0.16,0.6,0.22); fHitMipBok->Draw();}
 739             if(fHitFile){      fHitCkoBok = new TButton(Form("Ckov %s",fStHitCko.Data()),"SwitchHitCko()",0.3,0.22,0.6,0.28); fHitCkoBok->Draw();}
 740             if(fHitFile){      fHitFeeBok = new TButton(Form("Fdbk %s",fStHitFee.Data()),"SwitchHitFee()",0.3,0.28,0.6,0.34); fHitFeeBok->Draw();}
 741             if(fDigFile){         fDigBok = new TButton(fStDig      ,"SwitchDigs()"  ,0.3,0.4,0.6,0.5); fDigBok->Draw();}
 742             if(fCluFile){         fCluBok = new TButton(fStClu      ,"SwitchClus()"  ,0.3,0.6,0.6,0.7); fCluBok->Draw();}
 743             if(fEsdFile){         fEsdBok = new TButton(fStEsd      ,"SwitchEsd()"   ,0.3,0.8,0.6,0.9); fEsdBok->Draw();}
 744
 745             if(fHitFile){TButton *fHitMipOnly = new TButton(" Only ","OnlyHitMip()",0.6,0.16,0.9,0.22); fHitMipOnly->Draw();}
 746             if(fHitFile){TButton *fHitCkoOnly = new TButton(" Only ","OnlyHitCko()",0.6,0.22,0.9,0.28); fHitCkoOnly->Draw();}
 747             if(fHitFile){TButton *fHitFeeOnly = new TButton(" Only ","OnlyHitFee()",0.6,0.28,0.9,0.34); fHitFeeOnly->Draw();}
 748             if(fDigFile){TButton *fDigOnly    = new TButton(" Only ","OnlyDigs()"  ,0.6,0.40,0.9,0.50); fDigOnly->Draw();}
 749             if(fCluFile){TButton *fCluOnly    = new TButton(" Only ","OnlyClus()"  ,0.6,0.60,0.9,0.70); fCluOnly->Draw();}
 750             if(fEsdFile){TButton *fEsdOnly    = new TButton(" Only ","OnlyEsd()"   ,0.6,0.80,0.9,0.90); fEsdOnly->Draw();}
 751                          TButton *pSimAll     = new TButton(" ALL  ","All()"       ,0.5,0.90,0.7,1.00); pSimAll->Draw();
 752     break;
 753   }
 754
 755   NextEvent();
 756
 757 }//Hdisp()
 758 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 759 void SwitchHitMip()
 760 {
 761   fStHitMip=(fStHitMip=="OFF")? "ON":"OFF";
 762   GetEvent();
 763 }
 764 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 765 void SwitchHitCko()
 766 {
 767   fStHitCko=(fStHitCko=="OFF")? "ON":"OFF";
 768   GetEvent();
 769 }
 770 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 771 void SwitchHitFee()
 772 {
 773   fStHitFee=(fStHitFee=="OFF")? "ON":"OFF";
 774   GetEvent();
 775 }
 776 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 777 void SwitchDigs()
 778 {
 779   fStDig=(fStDig=="OFF")? "ON":"OFF";
 780   GetEvent();
 781 }
 782 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 783 void SwitchClus()
 784 {
 785   fStClu=(fStClu=="OFF")? "ON":"OFF";
 786   GetEvent();
 787 }
 788 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 789 void SwitchEsd()
 790 {
 791   fStEsd=(fStEsd=="OFF")? "ON":"OFF";
 792    GetEvent();
 793 }
 794 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 795 void AllNo()
 796 {
 797   if(fHitFile) {
 798     fStHitMip = "OFF";
 799     fStHitCko = "OFF";
 800     fStHitFee = "OFF";
 801   }
 802   if(fDigFile) fStDig    = "OFF";
 803   if(fCluFile) fStClu    = "OFF";
 804   if(fEsdFile) fStEsd    = "OFF";
 805 }
 806 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 807 void AllYes()
 808 {
 809   if(fHitFile) {
 810     fStHitMip = "ON";
 811     fStHitCko = "ON";
 812     fStHitFee = "ON";
 813   }
 814   if(fDigFile) fStDig    = "ON";
 815   if(fCluFile) fStClu    = "ON";
 816   if(fEsdFile) fStEsd    = "ON";
 817 }
 818 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 819 void All()
 820 {
 821   AllYes();
 822   GetEvent();
 823 }
 824 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 825 void OnlyHitMip()
 826 {
 827   AllNo();
 828   fStHitMip = "ON";
 829   GetEvent();
 830 }
 831 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 832 void OnlyHitCko()
 833 {
 834   AllNo();
 835   fStHitCko = "ON";
 836   GetEvent();
 837 }
 838 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 839 void OnlyHitFee()
 840 {
 841   AllNo();
 842   fStHitFee = "ON";
 843   GetEvent();
 844 }
 845 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 846 void OnlyDigs()
 847 {
 848   AllNo();
 849   fStDig    = "ON";
 850   GetEvent();
 851 }
 852 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 853 void OnlyClus()
 854 {
 855   AllNo();
 856   fStClu    = "ON";
 857   GetEvent();
 858 }
 859 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 860 void OnlyEsd()
 861 {
 862   AllNo();
 863   fStEsd    = "ON";
 864   GetEvent();
 865 }
 866 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 867 void LoadRunLoader(){
 868   if(!gSystem->IsFileInIncludePath("galice.root")) {
 869   Printf("\n\n galice.root not in path: please check! \n\n");
 870   return;
 871   }
 872   if(gAlice) gAlice=0x0;
 873   gAL=AliRunLoader::Open();
 874   gAL->LoadHeader();
 875   gAL->LoadHits("HMPID");
 876   gAL->LoadDigits("HMPID");
 877   gAL->LoadRecPoints("HMPID");
 878   gDL = gAL->GetDetectorLoader("HMPID");
 879   if(!gDL){
 880    Printf("\n\n no AliLoader present: please check! \n\n");
 881   return;
 882   }
 883   fNevt= gAL->GetNumberOfEvents();
 884 }
 885 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 886 void ReadEvent(){
 887 //used by NextEvent()  to read curent event and construct all render elements
 888   if(fNevt && fEvt>=fNevt) fEvt=0; //loop over max event
 889   if(fNevt && fEvt<0) fEvt=fNevt-1; //loop over max event
 890
 891 //  Printf("getting event %i out of %i",fEvt,fNevt);
 892
 893   if(gDL) {
 894
 895     gAL->GetEvent(fEvt);
 896
 897 //-------- HITS
 898
 899     fHitTree=gDL->TreeH();
 900
 901     if(fHitTree) {
 902
 903       fHitTree->SetBranchAddress("HMPID",&fHitLst);
 904
 905       for(Int_t iEnt=0;iEnt<fHitTree->GetEntries();iEnt++){
 906         fHitTree->GetEntry(iEnt);
 907         RenderHit(fHitLst);
 908       }//prim loop
 909     }//if hits tree
 910
 911 //-------- DIGITS
 912
 913     fDigTree=gDL->TreeD();
 914
 915     if(fDigTree){
 916       for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++) fDigTree->SetBranchAddress(Form("HMPID%i",iCh),&(*fDigLst)[iCh]);
 917 //      fDigTree->GetEvent(fEvt);
 918       fDigTree->GetEntry(0);
 919       RenderDig(fDigLst);
 920       //cout << "pointer to the dig list " << fDigLst << endl;
 921      }
 922
 923 //-------- CLUSTERS
 924
 925      fCluTree= gDL->TreeR();
 926
 927      if(fCluTree) {
 928      for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++) fCluTree->SetBranchAddress(Form("HMPID%i",iCh),&(*fCluLst)[iCh]);
 929      fCluTree->GetEntry(0);
 930      RenderClu(fCluLst);
 931     }
 932   }
 933
 934 //-------- ESD
 935
 936   if(fEsdFile){//if ESD file open
 937     fEsdTree->GetEntry(fEvt);
 938     RenderEsd(fEsd);
 939   }//if ESD file
 940
 941 }
 942 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 943 void SetEvent(Int_t ev)
 944 {
 945   fEvt=ev;
 946   GetEvent();
 947 }
 948 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 949 void SetSigmaCut(Int_t sig=0)
 950 {
 951   qSigmaCut = sig;
 952 }
 953 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 954 void SetField()
 955 {
 956   gROOT->LoadMacro("Field.C");
 957
 958   AliMagF * b = Field();
 959
 960 AliHMPIDTracker::SetFieldMap(b,kTRUE);
 961 }
 962 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 963 void SetTrigger(Int_t type=0)
 964 {
 965   trigType = type;
 966   if(type==1) Printf(" Trigger 1 selected: at least ONE track in HMPID.");
 967 }
 968 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 969 Bool_t Trigger()
 970 {
 971   if(trigType==0) return kTRUE;
 972   if(trigType==1) {
 973     if(fEsd->GetNumberOfTracks()>0) {
 974     PrintEsd();
 975     return kTRUE;
 976     } else return kFALSE;
 977   }
 978   return kTRUE;
 979 }