RICH/AliRICH.cxx

   1 //  **************************************************************************
   2 //  * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
   3 //  *                                                                        *
   4 //  * Author: The ALICE Off-line Project.                                    *
   5 //  * Contributors are mentioned in the code where appropriate.              *
   6 //  *                                                                        *
   7 //  * Permission to use, copy, modify and distribute this software and its   *
   8 //  * documentation strictly for non-commercial purposes is hereby granted   *
   9 //  * without fee, provided that the above copyright notice appears in all   *
  10 //  * copies and that both the copyright notice and this permission notice   *
  11 //  * appear in the supporting documentation. The authors make no claims     *
  12 //  * about the suitability of this software for any purpose. It is          *
  13 //  * provided "as is" without express or implied warranty.                  *
  14 //  **************************************************************************
  15
  16 #include "AliRICH.h"
  17 #include "AliRICHParam.h"
  18 #include "AliRICHChamber.h"
  19 #include "AliRICHHelix.h"
  20 //#include <TArrayF.h>
  21 #include <TGeometry.h>
  22 #include <TBRIK.h>
  23 #include <TTUBE.h>
  24 #include <TFile.h>
  25 #include <TNode.h>
  26 #include <TObjArray.h>
  27 #include <TParticle.h>
  28 #include <AliStack.h>
  29 #include <AliHeader.h>
  30 #include <AliGenEventHeader.h>
  31 #include <AliGenHijingEventHeader.h>
  32 #include <AliMagF.h>
  33 #include <AliRun.h>
  34 #include <AliRunDigitizer.h>
  35 #include <AliMC.h>
  36 #include <AliESD.h>
  37 #include <TVirtualMC.h>
  38 #include <TH1F.h>
  39 #include <TH2F.h>
  40 #include <TBenchmark.h>
  41 #include <AliLog.h>
  42 #include <TNtupleD.h>
  43 #include <AliTracker.h>
  44 #include <TLatex.h>   //Display()
  45 #include <TCanvas.h>  //Display()
  46 #include <TGraph.h>   //Display()
  47 #include <TStyle.h>   //Display()
  48 #include <TMarker.h>  //Display()
  49
  50 ClassImp(AliRICH)
  51 //__________________________________________________________________________________________________
  52 // RICH manager class
  53 //BEGIN_HTML
  54 /*
  55   <img src="gif/alirich.gif">
  56 */
  57 //END_HTML
  58 //__________________________________________________________________________________________________
  59 AliRICH::AliRICH():AliDetector(),fParam(0),  fSdigits(0),fNsdigits(0),fDigs(0),fClus(0)
  60 {
  61 //Default ctor should not contain any new operators
  62 //AliDetector ctor deals with Hits and Digits
  63   for(int i=0;i<kNchambers;i++) fNdigs[i]  =0;
  64   for(int i=0;i<kNchambers;i++) fNclus[i]=0;
  65 //  fCounters.ResizeTo(20); fCounters.Zero();
  66 }//AliRICH::AliRICH()
  67 //__________________________________________________________________________________________________
  68 AliRICH::AliRICH(const char *name, const char *title)
  69         :AliDetector(name,title),fParam(new AliRICHParam),fSdigits(0),fNsdigits(0),fDigs(0),fClus(0)
  70 {
  71 //Named ctor
  72   AliDebug(1,"Start.");
  73 //AliDetector ctor deals with Hits and Digits (reset them to 0, does not create them)
  74   HitsCreate();          gAlice->GetMCApp()->AddHitList(fHits);
  75   fCounters.ResizeTo(20); fCounters.Zero();
  76   AliDebug(1,"Stop.");
  77 }//AliRICH::AliRICH(const char *name, const char *title)
  78 //__________________________________________________________________________________________________
  79 AliRICH::~AliRICH()
  80 {
  81 //dtor
  82   AliDebug(1,"Start.");
  83
  84   if(fParam)     delete fParam;
  85
  86   if(fHits)      delete fHits;
  87   if(fSdigits)   delete fSdigits;
  88   if(fDigits)    delete fDigits;
  89   if(fDigs)      {fDigs->Delete();   delete fDigs;}
  90   if(fClus)      {fClus->Delete();   delete fClus;}
  91   AliDebug(1,"Stop.");
  92 }//AliRICH::~AliRICH()
  93 //__________________________________________________________________________________________________
  94 void AliRICH::BuildGeometry()
  95 {
  96 //Builds a TNode geometry for event display
  97   AliDebug(1,"Start.");
  98
  99   TNode *node, *subnode, *top;
 100   top=gAlice->GetGeometry()->GetNode("alice");
 101
 102   Float_t widx =P()->SectorSizeX();
 103   Float_t leny =P()->SectorSizeY();
 104   Float_t dz   =P()->Zfreon()+P()->Zwin()+P()->Pc2Win();
 105   Float_t dead =P()->DeadZone();
 106
 107   new TBRIK("RICH","RICH","void",widx+dead/2,leny+leny/2+dead,dz+0.1); //RICH chamber
 108   new TBRIK("RPC" ,"RPC" ,"void",widx/2,leny/2,0.01);                  //RICH sector
 109
 110   for(int i=1;i<=P()->Nchambers();i++){
 111     top->cd();
 112     node = new TNode(Form("RICH%i",i),Form("RICH%i",i),"RICH",C(i)->Center().X(),C(i)->Center().Y(),C(i)->Center().Z(),C(i)->RotMatrixName());
 113     node->SetLineColor(kRed);
 114     node->cd();
 115     subnode = new TNode("PHOTO1","PHOTO1","RPC",-widx/2-dead/2,-leny-dead/2,dz,"");
 116     subnode->SetLineColor(kGreen);
 117     fNodes->Add(subnode);
 118     subnode = new TNode("PHOTO1","PHOTO1","RPC", widx/2+dead/2,-leny-dead/2,dz,"");
 119     subnode->SetLineColor(kGreen);
 120     fNodes->Add(subnode);
 121     subnode = new TNode("PHOTO1","PHOTO1","RPC",-widx/2-dead/2,           0,dz,"");
 122     subnode->SetLineColor(kGreen);
 123     fNodes->Add(subnode);
 124     subnode = new TNode("PHOTO1","PHOTO1","RPC", widx/2+dead/2,           0,dz,"");
 125     subnode->SetLineColor(kGreen);
 126     fNodes->Add(subnode);
 127     subnode = new TNode("PHOTO1","PHOTO1","RPC",-widx/2-dead/2, leny+dead/2,dz,"");
 128     subnode->SetLineColor(kGreen);
 129     fNodes->Add(subnode);
 130     subnode = new TNode("PHOTO1","PHOTO1","RPC", widx/2+dead/2, leny+dead/2,dz,"");
 131     subnode->SetLineColor(kGreen);
 132     fNodes->Add(subnode);
 133     fNodes->Add(node);
 134   }
 135
 136   AliDebug(1,"Stop.");
 137 }//void AliRICH::BuildGeometry()
 138 //__________________________________________________________________________________________________
 139 void AliRICH::CreateMaterials()
 140 {
 141 // Definition of available RICH materials
 142
 143   Int_t   material=0; //tmp material id number
 144   Float_t a=0,z=0,den=0,radl=0,absl=0; //tmp material parameters
 145
 146   Float_t tmaxfd=-10.0, deemax=-0.2, stemax=-0.1,epsil=0.001, stmin=-0.001;
 147   Int_t   isxfld = gAlice->Field()->Integ();
 148   Float_t sxmgmx = gAlice->Field()->Max();
 149
 150   Float_t aAir[4]={12,14,16,36};  Float_t zAir[4]={6,7,8,18}; Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};//total 0.9999999
 151   AliMixture(++material, "RichAir",aAir,zAir,den=0.00120479,4,wAir);                                          //1 (Air) 0.01% C 75% N  23% O 1% Ar
 152   AliMedium(kAir, "RichAir",material, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
 153
 154   AliMixture(++material, "RichAerogel",aAir,zAir,den=P()->DenGel(),4,wAir);                     //Aerogel represented by Air
 155   AliMedium(kGel, "RichAerogel",material, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
 156
 157   AliMixture(++material, "RichAerogelReflector",aAir,zAir,den=P()->DenGel(),4,wAir);           //Aerogel reflector represented by Air
 158   AliMedium(kReflector, "RichAerogelReflector",material, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
 159
 160   AliMaterial(++material, "RichRohacell", a=12.01,z=6.0, den=0.1,     radl=18.8,   absl=0);                   //2 Rohacell 51 C-equiv radl rad cover
 161   AliMedium(kRoha, "RichRohacell", material, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
 162
 163   Float_t  aQuartz[2]={28.09,16.0};  Float_t  zQuartz[2]={14.00, 8.0};  Float_t  wQuartz[2]={1,2};
 164   AliMixture(++material, "RichSiO2",aQuartz,zQuartz,den=2.64,-2, wQuartz);                                    //3 Quarz (SiO2) -trasparent rad window
 165   AliMedium(kSiO2, "RichSiO2",material, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
 166
 167   Float_t  aFreon[2]={12,19};  Float_t  zFreon[2]={6,9};  Float_t wmatFreon[2]={6,14};                        // C12-6 F19-9
 168   AliMixture(++material, "RichC6F14",aFreon,zFreon,den=1.68,-2,wmatFreon);                                    //4 Freon (C6F14)
 169   AliMedium(kC6F14, "RichC6F14",material, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
 170
 171   Float_t aMethane[2]={12.01,1}; Float_t zMethane[2]={6,1}; Float_t wMethane[2]={1,4};
 172   AliMixture (++material, "RichCH4", aMethane, zMethane, den=7.17e-4,-2, wMethane);                        //5,9 methane (CH4) normal and for Gap
 173   AliMedium(kCH4, "RichCH4"   , material, 1, isxfld, sxmgmx, tmaxfd, stemax,  deemax, epsil,  stmin);
 174   AliMixture (++material, "RichCH4gap", aMethane, zMethane, den=7.17e-4,-2, wMethane);                      //5,9 methane (CH4) normal and for Gap
 175   AliMedium(kGap, "RichCH4gap", material, 1, isxfld, sxmgmx, tmaxfd, 0.1   , -deemax, epsil, -stmin);
 176
 177   AliMaterial(++material, "RichCsI",      a=12.01,z=6.0, den=0.1,     radl=18.8,   absl=0);                   //6 CsI-radl equivalent
 178   AliMedium(kCsI, "RichCsI", material, 1, isxfld, sxmgmx,tmaxfd, stemax, deemax, epsil, stmin);
 179
 180   AliMaterial(++material, "RichGridCu",    a=63.54,z=29.0,den=8.96,    radl=1.43,   absl=0);                   //7 anode grid (Cu)
 181   AliMedium(kGridCu, "RichGridCu", material, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
 182
 183   AliMaterial(++material, "RichPcbCu",     a=63.54,z=29.0,den=8.96,    radl=1.4,    absl=0);                   //12 Cu
 184   AliMedium(kCu, "RichPcbCu", material, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
 185
 186   AliMixture (++material, "RichOpSiO2",aQuartz, zQuartz, den=2.64, -2, wQuartz);                             //8 Quarz (SiO2) - opaque
 187   AliMedium(kOpSiO2, "RichOpSiO2",material, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
 188
 189   AliMaterial(++material, "RichAl",     a=26.98,z=13.0,den=2.699,     radl=8.9,    absl=0);                 //10 aluminium sheet (Al)
 190   AliMedium(kAl, "RichAl", material, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
 191
 192   Float_t aGlass[5]={12.01,28.09,16,10.8,23}; Float_t zGlass[5]={6,14,8,5,11};  Float_t wGlass[5]={0.5,0.105,0.355,0.03,0.01};
 193   AliMixture(++material,"RichGlass",aGlass, zGlass, den=1.74, 5, wGlass);                                    //11 Glass 50%-C 10.5%-Si 35.5%-O 3%-B 1%-Na
 194   AliMedium(kGlass, "RichGlass", material, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
 195
 196   den=19.3;
 197   AliMaterial(++material, "RichW",  a=183.84,z=74.0,den,    radl=0.35,    absl=185.0/den);              //13 W - anod wires
 198   AliMedium(kW, "RichW", material, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
 199
 200
 201   if(P()->IsRadioSrc()){
 202     AliInfo("Special radioactive source materials");
 203     den=7.87;
 204     AliMaterial(++material, "RichSteel",  a=55.845,z=26.0,den,    radl=1.76,    absl=131.9/den);        //14 Steel (Fe)
 205     AliMedium(kSteel, "RichSteel", material, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
 206
 207     AliMaterial(++material, "RichPerpex",  a=63.54,z=29.0,den=8.96,    radl=1.4,    absl=0);                 //15 Perpex
 208     AliMedium(kPerpex, "RichPerpex", material, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
 209
 210     AliMaterial(++material, "RichSr90",  a=87.62,z=38.0,den=2.54,    radl=4.24,    absl=0);                  //16 Sr90
 211     AliMedium(kSr90, "RichSr90", material, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
 212
 213     Float_t aMylar[5]={12.01,1,16}; Float_t zMylar[5]={6,1,8};  Float_t wMylar[5]={5,4,5};                  //17 Mylar C5H4O5
 214     AliMixture(++material,"RichMylar",aMylar, zMylar, den=1.39, -3, wMylar);
 215     AliMedium(kMylar, "RichMylar", material, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
 216   }
 217
 218 //Optical properties:
 219 #include "Opticals.h"
 220   gMC->SetCerenkov((*fIdtmed)[kAir]      , kNbins, aPckov, aAbsCH4    , aQeAll, aIdxCH4);       //1 Air
 221   gMC->SetCerenkov((*fIdtmed)[kRoha]     , kNbins, aPckov, aAbsCH4    , aQeAll, aIdxCH4);       //2 Honeycomb
 222   gMC->SetCerenkov((*fIdtmed)[kSiO2]     , kNbins, aPckov, aAbsSiO2   , aQeAll, aIdxSiO2);      //3 Quartz SiO2
 223   gMC->SetCerenkov((*fIdtmed)[kC6F14]    , kNbins, aPckov, aAbsC6F14  , aQeAll, aIdxC6F14);     //4 Freon C6F14
 224   gMC->SetCerenkov((*fIdtmed)[kCH4]      , kNbins, aPckov, aAbsCH4    , aQeAll, aIdxCH4);       //5 Methane CH4
 225   gMC->SetCerenkov((*fIdtmed)[kCsI]      , kNbins, aPckov, aAbsCsI    , aQeCsI, aIdxCH4);       //6 CsI
 226   gMC->SetCerenkov((*fIdtmed)[kGridCu]   , kNbins, aPckov, aAbsGrid   , aQeAll, aIdxMetal);     //7 grid Cu
 227   gMC->SetCerenkov((*fIdtmed)[kOpSiO2]   , kNbins, aPckov, aAbsOpSiO2 , aQeAll, aIdxMetal);     //8 Opaque quartz SiO2
 228   gMC->SetCerenkov((*fIdtmed)[kGap]      , kNbins, aPckov, aAbsCH4    , aQeAll, aIdxCH4);       //9 Special methane gap
 229   gMC->SetCerenkov((*fIdtmed)[kAl]       , kNbins, aPckov, aAbsGrid   , aQeAll, aIdxMetal);     //10 Aluminium
 230   gMC->SetCerenkov((*fIdtmed)[kGlass]    , kNbins, aPckov, aAbsOpSiO2 , aQeAll, aIdxMetal);     //11 Glass
 231   gMC->SetCerenkov((*fIdtmed)[kGel]      , kNbins, aPckov, aAbsGel    , aQeAll, aIdxGel);       //12 Aerogel
 232   gMC->SetCerenkov((*fIdtmed)[kReflector], kNbins, aPckov, aAbsRef    , aQeAll, aIdxMetal);     //13 Aerogel reflector
 233 }//void AliRICH::CreateMaterials()
 234 //__________________________________________________________________________________________________
 235 Float_t AliRICH::Fresnel(Float_t ene,Float_t pdoti, Bool_t pola)
 236 {
 237
 238     //ENE(EV), PDOTI=COS(INC.ANG.), PDOTR=COS(POL.PLANE ROT.ANG.)
 239
 240     Float_t en[36] = {5.0,5.1,5.2,5.3,5.4,5.5,5.6,5.7,5.8,5.9,6.0,6.1,6.2,
 241                       6.3,6.4,6.5,6.6,6.7,6.8,6.9,7.0,7.1,7.2,7.3,7.4,7.5,7.6,7.7,
 242                       7.8,7.9,8.0,8.1,8.2,8.3,8.4,8.5};
 243     Float_t csin[36] = {2.14,2.21,2.33,2.48,2.76,2.97,2.99,2.59,2.81,3.05,
 244                         2.86,2.53,2.55,2.66,2.79,2.96,3.18,3.05,2.84,2.81,2.38,2.11,
 245                         2.01,2.13,2.39,2.73,3.08,3.15,2.95,2.73,2.56,2.41,2.12,1.95,
 246                         1.72,1.53};
 247     Float_t csik[36] = {0.,0.,0.,0.,0.,0.196,0.408,0.208,0.118,0.49,0.784,0.543,
 248                         0.424,0.404,0.371,0.514,0.922,1.102,1.139,1.376,1.461,1.253,0.878,
 249                         0.69,0.612,0.649,0.824,1.347,1.571,1.678,1.763,1.857,1.824,1.824,
 250                         1.714,1.498};
 251     Float_t xe=ene;
 252     Int_t  j=Int_t(xe*10)-49;
 253     Float_t cn=csin[j]+((csin[j+1]-csin[j])/0.1)*(xe-en[j]);
 254     Float_t ck=csik[j]+((csik[j+1]-csik[j])/0.1)*(xe-en[j]);
 255
 256     //FORMULAE FROM HANDBOOK OF OPTICS, 33.23 OR
 257     //W.R. HUNTER, J.O.S.A. 54 (1964),15 , J.O.S.A. 55(1965),1197
 258
 259     Float_t sinin=TMath::Sqrt(1-pdoti*pdoti);
 260     Float_t tanin=sinin/pdoti;
 261
 262     Float_t c1=cn*cn-ck*ck-sinin*sinin;
 263     Float_t c2=4*cn*cn*ck*ck;
 264     Float_t aO=TMath::Sqrt(0.5*(TMath::Sqrt(c1*c1+c2)+c1));
 265     Float_t b2=0.5*(TMath::Sqrt(c1*c1+c2)-c1);
 266
 267     Float_t rs=((aO-pdoti)*(aO-pdoti)+b2)/((aO+pdoti)*(aO+pdoti)+b2);
 268     Float_t rp=rs*((aO-sinin*tanin)*(aO-sinin*tanin)+b2)/((aO+sinin*tanin)*(aO+sinin*tanin)+b2);
 269
 270
 271     //CORRECTION FACTOR FOR SURFACE ROUGHNESS
 272     //B.J. STAGG  APPLIED OPTICS, 30(1991),4113
 273
 274     Float_t sigraf=18.;
 275     Float_t lamb=1240/ene;
 276     Float_t fresn;
 277
 278     Float_t  rO=TMath::Exp(-(4*TMath::Pi()*pdoti*sigraf/lamb)*(4*TMath::Pi()*pdoti*sigraf/lamb));
 279
 280     if(pola)
 281     {
 282         Float_t pdotr=0.8;                                 //DEGREE OF POLARIZATION : 1->P , -1->S
 283         fresn=0.5*(rp*(1+pdotr)+rs*(1-pdotr));
 284     }
 285     else
 286         fresn=0.5*(rp+rs);
 287
 288     fresn = fresn*rO;
 289     return(fresn);
 290 }//Fresnel()
 291 //__________________________________________________________________________________________________
 292 void AliRICH::MakeBranch(Option_t* option)
 293 {
 294 //Create Tree branches for the RICH.
 295   AliDebug(1,Form("Start with option= %s.",option));
 296
 297   const Int_t kBufferSize = 4000;
 298
 299   const char *cH = strstr(option,"H");
 300   const char *cD = strstr(option,"D");
 301   const char *cR = strstr(option,"R");
 302   const char *cS = strstr(option,"S");
 303
 304   if(cH&&TreeH()){//H
 305     HitsCreate();      //branch will be created in AliDetector::MakeBranch
 306   }//H
 307   AliDetector::MakeBranch(option);//this is after cH because we need to guarantee that fHits array is created
 308
 309   if(cS&&fLoader->TreeS()){//S
 310     SDigitsCreate();   MakeBranchInTree(fLoader->TreeS(),"RICH",&fSdigits,kBufferSize,0) ;
 311   }//S
 312
 313   if(cD&&fLoader->TreeD()){//D
 314     DigitsCreate();
 315     for(Int_t i=0;i<kNchambers;i++){
 316       MakeBranchInTree(fLoader->TreeD(),Form("%s%d",GetName(),i+1),&((*fDigs)[i]),kBufferSize,0);
 317     }
 318   }//D
 319
 320   if(cR&&fLoader->TreeR()){//R
 321     ClustersCreate();
 322     for(Int_t i=0;i<kNchambers;i++)
 323       MakeBranchInTree(fLoader->TreeR(),Form("%sClusters%d",GetName(),i+1), &((*fClus)[i]), kBufferSize, 0);
 324   }//R
 325   AliDebug(1,"Stop.");
 326 }//void AliRICH::MakeBranch(Option_t* option)
 327 //__________________________________________________________________________________________________
 328 void AliRICH::SetTreeAddress()
 329 {
 330 //Set branch address for the Hits and Digits Tree.
 331   AliDebug(1,"Start.");
 332
 333   TBranch *branch;
 334
 335   if(fLoader->TreeH()){//H
 336     AliDebug(1,"tree H is requested.");
 337     HitsCreate();//branch map will be in AliDetector::SetTreeAddress
 338   }//H
 339   AliDetector::SetTreeAddress();//this is after TreeH because we need to guarantee that fHits array is created
 340
 341   if(fLoader->TreeS()){//S
 342     AliDebug(1,"tree S is requested.");
 343     branch=fLoader->TreeS()->GetBranch(GetName());        if(branch){SDigitsCreate();   branch->SetAddress(&fSdigits);}
 344   }//S
 345
 346   if(fLoader->TreeD()){//D
 347     AliDebug(1,"tree D is requested.");
 348     for(int i=0;i<kNchambers;i++){
 349       branch=fLoader->TreeD()->GetBranch(Form("%s%d",GetName(),i+1));
 350       if(branch){DigitsCreate(); branch->SetAddress(&((*fDigs)[i]));}
 351     }
 352   }//D
 353
 354   if(fLoader->TreeR()){//R
 355     AliDebug(1,"tree R is requested.");
 356     for(int i=0;i<kNchambers;i++){
 357       branch=fLoader->TreeR()->GetBranch(Form("%sClusters%d" ,GetName(),i+1));
 358       if(branch){ClustersCreate(); branch->SetAddress(&((*fClus)[i]));}
 359     }
 360   }//R
 361   AliDebug(1,"Stop.");
 362 }//void AliRICH::SetTreeAddress()
 363 //__________________________________________________________________________________________________
 364 void AliRICH::Print(Option_t *option)const
 365 {
 366 //Debug printout
 367   TObject::Print(option);
 368   P()->Print();
 369   fCounters.Print();
 370 }//void AliRICH::Print(Option_t *option)const
 371 //__________________________________________________________________________________________________
 372 void AliRICH::ControlPlots()
 373 {
 374 //Creates a set of QA hists to control the results of simulation. Hists are in file $HOME/RCP.root
 375   TH1F             *pElecP=0 ,*pMuonP=0 ,*pPionP=0 ,*pKaonP=0 ,*pProtP=0,  //stack particles
 376                    *pHxD=0,*pHyD=0,*pHxSd=0,*pHySd=0,      //diff hit position - digit sdigit position
 377                    *pNumClusH1=0,
 378                    *pQdcH1=0,       *pSizeH1=0,
 379                    *pPureMipQdcH1=0,*pPureMipSizeH1=0,
 380                    *pPureCerQdcH1=0,*pPureCerSizeH1=0,
 381                    *pPureFeeQdcH1=0,*pPureFeeSizeH1=0,
 382                    *pMipQdcH1=0,    *pPhotQdcH1=0;
 383   TH2F *pMapH2=0,*pPureMipMapH2=0,*pPureCerMapH2=0,*pPureFeeMapH2=0;
 384   TH1F *pelecRadius=0,*pprotRadius=0,*pprotbarRadius=0;
 385 //load all information
 386                  GetLoader()->GetRunLoader()->LoadHeader();
 387                  GetLoader()->GetRunLoader()->LoadKinematics();
 388                  GetLoader()->LoadHits();
 389   Bool_t isSdig=0;//!GetLoader()->LoadSDigits();
 390   Bool_t isDig =0;//!GetLoader()->LoadDigits();
 391   Bool_t isClus=!GetLoader()->LoadRecPoints();
 392
 393   gBenchmark->Start("ControlPlots");
 394
 395   TFile *pFile = new TFile("$(HOME)/RCP.root","RECREATE");
 396
 397   pElecP=new TH1F("Pelec","Electrons made hit in RICH;p [GeV]",1000,-30,30);
 398   pMuonP=new TH1F("Pmuon","Muons made hit in RICH;p [GeV]",1000,-30,30);
 399   pPionP=new TH1F("Ppion","Pions made hit in RICH;p [GeV]",1000,-30,30);
 400   pKaonP=new TH1F("Pkaon","Kaon made hit in RICH;p [GeV]",1000,-30,30);
 401   pProtP=new TH1F("Pprot","Protons made hit in RICH;p [GeV]",1000,-30,30);
 402   pelecRadius=new TH1F("elecRadius","elec",600,0.,600.);
 403   pprotRadius=new TH1F("protRadius","elec",600,0.,600.);
 404   pprotbarRadius=new TH1F("protbarRadius","elec",600,0.,600.);
 405
 406   if(isSdig){
 407     AliInfo("SDigits available");
 408     pHxSd=new TH1F("DiffHitSDigitX","Hit-SDigit diff X all chambers;diff [cm]",300,-10,10);
 409     pHySd=new TH1F("DiffHitSDigitY","Hit-SDigit diff Y all chambers;diff [cm]",300,-10,10);
 410   }//isSdig
 411
 412   if(isDig){
 413     AliInfo("Digits available");
 414     pHxD=new TH1F("DiffHitDigitX","Hit-Digit diff X all chambers;diff [cm]",300,-10,10);
 415     pHyD=new TH1F("DiffHitDigitY","Hit-Digit diff Y all chambers;diff [cm]",300,-10,10);
 416   }//isDig
 417
 418   if(isClus){
 419     AliInfo("Clusters available");
 420     pNumClusH1=new TH1F("NumClusPerEvent","Number of clusters per event;number",50,0,49);
 421
 422     pQdcH1        =new TH1F("ClusQdc",   "Cluster Charge all chambers;q [QDC]",P()->MaxQdc(),0,P()->MaxQdc());
 423     pSizeH1       =new TH1F("ClusSize",  "Cluster size all chambers;size [number of pads in cluster]",100,0,100);
 424     pMapH2        =new TH2F("ClusMap",   "Cluster map;x [cm];y [cm]",1000,0,P()->PcSizeX(),1000,0,P()->PcSizeY());
 425
 426     pMipQdcH1     =new TH1F("QdcMip"      ,"MIP Cluster Charge all chambers;q [QDC]",P()->MaxQdc(),0,P()->MaxQdc());
 427     pPhotQdcH1    =new TH1F("QdcPhot"     ,"Cer+Fee Cluster Charge all chambers;q [QDC]",P()->MaxQdc(),0,P()->MaxQdc());
 428
 429     pPureMipQdcH1 =new TH1F("QdcPureMip"  ,"MIP only Cluster Charge all chambers;q [QDC]",P()->MaxQdc(),0,P()->MaxQdc());
 430     pPureMipSizeH1=new TH1F("SizePureMip" ,"MIP only Cluster size all chambers;size [number of pads in cluster]",100,0,100);
 431     pPureMipMapH2 =new TH2F("MapPureMip"  ,"MIP only Cluster map;x [cm];y [cm]",1000,0,P()->PcSizeX(),1000,0,P()->PcSizeY());
 432
 433     pPureCerQdcH1 =new TH1F("QdcPureCer"  ,"Cerenkov only Cluster Charge all chambers;q [QDC]",P()->MaxQdc(),0,P()->MaxQdc());
 434     pPureCerSizeH1=new TH1F("SizePureCer" ,"Cernekov only Cluster size all chambers;size [number of pads in cluster]",100,0,100);
 435     pPureCerMapH2 =new TH2F("MapPureCer"  ,"Cerenkov only Cluster map;x [cm];y [cm]",1000,0,P()->PcSizeX(),1000,0,P()->PcSizeY());
 436
 437     pPureFeeQdcH1 =new TH1F("QdcPureFee"  ,"Feedback only Cluster Charge all chambers;q [QDC]",P()->MaxQdc(),0,P()->MaxQdc());
 438     pPureFeeSizeH1=new TH1F("SizePureFee" ,"Feedback only Cluster size all chambers;size [number of pads in cluster]",100,0,100);
 439     pPureFeeMapH2 =new TH2F("MapPureFee"  ,"Feedback only Cluster map;x [cm];y [cm]",1000,0,P()->PcSizeX(),1000,0,P()->PcSizeY());
 440
 441   }//isClus
 442 //end of hists booking
 443   for(Int_t iEvtN=0;iEvtN < GetLoader()->GetRunLoader()->GetAliRun()->GetEventsPerRun();iEvtN++){//events loop
 444     GetLoader()->GetRunLoader()->GetEvent(iEvtN);    //get current event
 445
 446     for(Int_t iPrimN=0;iPrimN < GetLoader()->TreeH()->GetEntries();iPrimN++){//hit tree loop
 447       GetLoader()->TreeH()->GetEntry(iPrimN);
 448       for(Int_t j=0;j<Hits()->GetEntries();j++){//hits loop
 449         AliRICHHit *pHit = (AliRICHHit*)Hits()->At(j);
 450         TParticle *pParticle = GetLoader()->GetRunLoader()->Stack()->Particle(pHit->GetTrack());//get particle produced this hit
 451         Double_t dRadius = TMath::Sqrt(pParticle->Vx()*pParticle->Vx()+pParticle->Vy()*pParticle->Vy()+pParticle->Vz()*pParticle->Vz());
 452         switch(pParticle->GetPdgCode()){
 453           case kPositron : pElecP->Fill( pParticle->P());pelecRadius->Fill(dRadius); break;
 454           case kElectron : pElecP->Fill(-pParticle->P());pelecRadius->Fill(dRadius); break;
 455
 456           case kMuonPlus : pMuonP->Fill( pParticle->P()); break;
 457           case kMuonMinus: pMuonP->Fill(-pParticle->P()); break;
 458
 459           case kPiPlus   : pPionP->Fill( pParticle->P()); break;
 460           case kPiMinus  : pPionP->Fill(-pParticle->P()); break;
 461
 462           case kKPlus    : pKaonP->Fill( pParticle->P()); break;
 463           case kKMinus   : pKaonP->Fill(-pParticle->P()); break;
 464
 465           case kProton   : pProtP->Fill( pParticle->P()); pprotRadius->Fill(dRadius); break;
 466           case kProtonBar: pProtP->Fill(-pParticle->P()); pprotbarRadius->Fill(dRadius); break;
 467
 468         }//switch PdgCode
 469
 470       }//hits loop
 471     }//hit tree loop
 472
 473     if(isSdig){
 474       GetLoader()->TreeS()->GetEntry(0);
 475       for(Int_t iSdigN=0;iSdigN<SDigits()->GetEntries();iSdigN++){//sdigits loop
 476         AliRICHDigit *pSdig=(AliRICHDigit*)SDigits()->At(iSdigN); //get current sdigit pointer
 477         AliRICHHit   *pHit=Hit(pSdig->GetTrack(0));               //get hit of this sdigit (always one)
 478         TVector2 hit2 =C(pHit->C())->Mrs2Pc(pHit->OutX3());       //this hit position  in local system
 479         TVector2 sdig2=P()->Pad2Loc(pSdig->Pad());                //center of pad for this sdigit
 480         pHxSd->Fill(hit2.X()-sdig2.X());
 481         pHySd->Fill(hit2.Y()-sdig2.Y());
 482       }//sdigits loop
 483     }//if(isSdig)
 484
 485     if(isDig)  GetLoader()->TreeD()->GetEntry(0);
 486     if(isClus) GetLoader()->TreeR()->GetEntry(0);
 487
 488     for(Int_t iChamN=1;iChamN<=7;iChamN++){//chambers loop
 489       if(isDig){
 490         for(Int_t iDigN=0;iDigN<Digits(iChamN)->GetEntries();iDigN++){//digits loop
 491           AliRICHDigit *pDig=(AliRICHDigit*)Digits(iChamN)->At(iDigN);
 492           AliRICHHit   *pHit=Hit(pDig->GetTrack(0));           //get first hit of this digit
 493           TVector2 hitV2=C(iChamN)->Mrs2Pc(pHit->OutX3());
 494           TVector2 digV2=P()->Pad2Loc(pDig->Pad());            //center of pad for this digit
 495           pHxD->Fill(hitV2.X()-digV2.X());        pHyD->Fill(hitV2.Y()-digV2.Y());
 496         }//digits loop
 497       }//isDig
 498       if(isClus){
 499         Int_t iNclusCham=Clusters(iChamN)->GetEntries(); if(iNclusCham) pNumClusH1->Fill(iNclusCham);//number of clusters per event
 500         for(Int_t iClusN=0;iClusN<iNclusCham;iClusN++){//clusters loop
 501           AliRICHCluster *pClus=(AliRICHCluster*)Clusters(iChamN)->At(iClusN);
 502                                        pQdcH1        ->Fill(pClus->Q());
 503                                        pSizeH1       ->Fill(pClus->Size());
 504                                        pMapH2        ->Fill(pClus->X(),pClus->Y()); //common
 505
 506            if(pClus->IsSingleMip())     {pPureMipQdcH1 ->Fill(pClus->Q());
 507                                        pPureMipSizeH1->Fill(pClus->Size());
 508                                        pPureMipMapH2 ->Fill(pClus->X(),pClus->Y());}//Pure Mips
 509
 510            if(pClus->IsSingleCerenkov()){pPureCerQdcH1 ->Fill(pClus->Q());
 511                                        pPureCerSizeH1->Fill(pClus->Size());
 512                                        pPureCerMapH2 ->Fill(pClus->X(),pClus->Y());}//Pure Cerenkovs
 513
 514            if(pClus->IsSingleFeedback()){pPureFeeQdcH1 ->Fill(pClus->Q());
 515                                        pPureFeeSizeH1->Fill(pClus->Size());
 516                                        pPureFeeMapH2 ->Fill(pClus->X(),pClus->Y());}//Pure Feedbacks
 517
 518            if(pClus->IsMip()) {pMipQdcH1 ->Fill(pClus->Q());} //MIP+ other contributions
 519            if(!pClus->IsPureMip())     pPhotQdcH1->Fill(pClus->Q());  //not MIP
 520         }//clusters loop
 521       }//isClus
 522     }//chambers loop
 523     Info("ControlPlots","Event %i processed.",iEvtN);
 524   }//events loop
 525              GetLoader()->UnloadHits();
 526   if(isSdig) GetLoader()->UnloadSDigits();
 527   if(isDig)  GetLoader()->UnloadDigits();
 528   if(isClus) GetLoader()->UnloadRecPoints();
 529
 530   GetLoader()->GetRunLoader()->UnloadHeader();
 531   GetLoader()->GetRunLoader()->UnloadKinematics();
 532
 533   pFile->Write(); delete pFile;
 534
 535   gBenchmark->Show("ControlPlots");
 536 }//ControlPlots()
 537 //__________________________________________________________________________________________________
 538 AliRICHHit* AliRICH::Hit(Int_t tid)const
 539 {
 540 //defines which hit provided by given tid for the currently loaded event
 541   GetLoader()->LoadHits();
 542   for(Int_t iPrimN=0;iPrimN<GetLoader()->TreeH()->GetEntries();iPrimN++){//prims loop
 543     GetLoader()->TreeH()->GetEntry(iPrimN);
 544     for(Int_t iHitN=0;iHitN<Hits()->GetEntries();iHitN++){
 545       AliRICHHit *pHit=(AliRICHHit*)Hits()->At(iHitN);
 546       if(tid==pHit->Track()) {GetLoader()->UnloadHits();return pHit;}
 547     }//hits
 548   }//prims loop
 549   GetLoader()->UnloadHits();
 550   return 0;
 551 }
 552 //__________________________________________________________________________________________________
 553 void AliRICH::HitsPrint(Int_t iEvtN)const
 554 {
 555 //Prints a list of RICH hits for a given event. Default is event number 0.
 556   if(GetLoader()->GetRunLoader()->GetEvent(iEvtN)) return;
 557   AliInfo(Form("List of RICH hits for event %i",iEvtN));
 558   if(GetLoader()->LoadHits()) return;
 559
 560   Int_t iTotalHits=0;
 561   for(Int_t iPrimN=0;iPrimN<GetLoader()->TreeH()->GetEntries();iPrimN++){//prims loop
 562     GetLoader()->TreeH()->GetEntry(iPrimN);
 563     Hits()->Print();
 564     iTotalHits+=Hits()->GetEntries();
 565   }
 566   GetLoader()->UnloadHits();
 567   AliInfo(Form("totally %i hits",iTotalHits));
 568 }
 569 //__________________________________________________________________________________________________
 570 void AliRICH::SDigitsPrint(Int_t iEvtN)const
 571 {
 572 //prints a list of RICH sdigits  for a given event
 573   if(GetLoader()->GetRunLoader()->GetEvent(iEvtN)) return;
 574   Info("PrintSDigits","List of RICH sdigits for event %i",iEvtN);
 575   if(GetLoader()->LoadSDigits()) return;
 576
 577   GetLoader()->TreeS()->GetEntry(0);
 578   SDigits()->Print();
 579   GetLoader()->UnloadSDigits();
 580   Info("PrintSDigits","totally %i sdigits",SDigits()->GetEntries());
 581 }
 582 //__________________________________________________________________________________________________
 583 void AliRICH::DigitsPrint(Int_t iEvtN)const
 584 {
 585 //prints a list of RICH digits  for a given event
 586   if(GetLoader()->GetRunLoader()->GetEvent(iEvtN)) return;
 587   Info("PrintDigits","List of RICH digits for event %i",iEvtN);
 588   if(GetLoader()->LoadDigits()) return;
 589
 590   Int_t iTotalDigits=0;
 591   GetLoader()->TreeD()->GetEntry(0);
 592   for(Int_t iChamber=1;iChamber<=kNchambers;iChamber++){
 593     Digits(iChamber)->Print();
 594     iTotalDigits+=Digits(iChamber)->GetEntries();
 595   }
 596   GetLoader()->UnloadDigits();
 597   Info("PrintDigits","totally %i Digits",iTotalDigits);
 598 }
 599 //__________________________________________________________________________________________________
 600 void AliRICH::OccupancyPrint(Int_t iEvtNreq)const
 601 {
 602 //prints occupancy for each chamber in a given event
 603   Int_t iEvtNmin,iEvtNmax;
 604   if(iEvtNreq==-1){
 605     iEvtNmin=0;
 606     iEvtNmax=gAlice->GetEventsPerRun();
 607   } else {
 608     iEvtNmin=iEvtNreq;iEvtNmax=iEvtNreq+1;
 609   }
 610
 611   if(GetLoader()->GetRunLoader()->LoadHeader()) return;
 612   if(GetLoader()->GetRunLoader()->LoadKinematics()) return;
 613
 614 //  Info("Occupancy","for event %i",iEvtN);
 615   if(GetLoader()->LoadHits()) return;
 616   if(GetLoader()->LoadDigits()) return;
 617
 618   Int_t totPadsPerChamber = AliRICHParam::NpadsX()*AliRICHParam::NpadsY();
 619
 620
 621   for(Int_t iEvtN=iEvtNmin;iEvtN<iEvtNmax;iEvtN++){
 622     Int_t nDigCh[kNchambers]={0,0,0,0,0,0,0};
 623     Int_t iChHits[kNchambers]={0,0,0,0,0,0,0};
 624     Int_t nPrim[kNchambers]={0,0,0,0,0,0,0};
 625     Int_t nSec[kNchambers]={0,0,0,0,0,0,0};
 626     AliInfo(Form("events processed %i",iEvtN));
 627     if(GetLoader()->GetRunLoader()->GetEvent(iEvtN)) return;
 628     AliStack *pStack = GetLoader()->GetRunLoader()->Stack();
 629     for(Int_t iPrimN=0;iPrimN<GetLoader()->TreeH()->GetEntries();iPrimN++){//prims loop
 630       GetLoader()->TreeH()->GetEntry(iPrimN);
 631       for(Int_t iHitN=0;iHitN<Hits()->GetEntries();iHitN++){
 632         AliRICHHit *pHit = (AliRICHHit *)Hits()->At(iHitN);
 633         if(pHit->Eloss()>0){
 634           iChHits[pHit->C()-1]++;
 635           if(pStack->Particle(pHit->GetTrack())->Rho()<0.01) nPrim[pHit->C()-1]++;else nSec[pHit->C()-1]++;
 636         }
 637       }
 638     }
 639     GetLoader()->TreeD()->GetEntry(0);
 640     for(Int_t iChamber=1;iChamber<=kNchambers;iChamber++) {
 641       nDigCh[iChamber-1]= Digits(iChamber)->GetEntries();
 642       Double_t occupancy = (Double_t)nDigCh[iChamber-1]/(Double_t)totPadsPerChamber;
 643       Info("Occupancy","for chamber %i = %4.2f %% and charged prim tracks %i and sec. tracks %i with total %i",
 644         iChamber,occupancy*100.,nPrim[iChamber-1],nSec[iChamber-1],iChHits[iChamber-1]);
 645     }
 646   }
 647   GetLoader()->UnloadHits();
 648   GetLoader()->UnloadDigits();
 649   GetLoader()->GetRunLoader()->UnloadHeader();
 650   GetLoader()->GetRunLoader()->UnloadKinematics();
 651 }
 652 //__________________________________________________________________________________________________
 653 void AliRICH::ClustersPrint(Int_t iEvtN)const
 654 {
 655 //prints a list of RICH clusters  for a given event
 656   AliInfo(Form("List of RICH clusters for event %i",iEvtN));
 657   GetLoader()->GetRunLoader()->GetEvent(iEvtN);
 658   if(GetLoader()->LoadRecPoints()) return;
 659
 660   Int_t iTotalClusters=0;
 661   GetLoader()->TreeR()->GetEntry(0);
 662   for(Int_t iChamber=1;iChamber<=kNchambers;iChamber++){
 663     Clusters(iChamber)->Print();
 664     iTotalClusters+=Clusters(iChamber)->GetEntries();
 665   }
 666   GetLoader()->UnloadRecPoints();
 667   AliInfo(Form("totally %i clusters for event %i",iTotalClusters,iEvtN));
 668 }
 669 //__________________________________________________________________________________________________
 670 void AliRICH::PrintTracks(Int_t iEvtN)
 671 {
 672 //prints a list of tracks (including secondary) for a given event
 673   AliInfo(Form("List of all tracks for event %i",iEvtN));
 674   GetLoader()->GetRunLoader()->GetEvent(iEvtN);
 675   if(GetLoader()->GetRunLoader()->LoadHeader()) return;
 676   if(GetLoader()->GetRunLoader()->LoadKinematics()) return;
 677   AliStack *pStack=GetLoader()->GetRunLoader()->Stack();
 678
 679   for(Int_t i=0;i<pStack->GetNtrack();i++) pStack->Particle(i)->Print();
 680
 681   AliInfo(Form("totally %i tracks including %i primaries for event %i",pStack->GetNtrack(),pStack->GetNprimary(),iEvtN));
 682   GetLoader()->GetRunLoader()->UnloadHeader();
 683   GetLoader()->GetRunLoader()->UnloadKinematics();
 684 }
 685 //__________________________________________________________________________________________________
 686 void AliRICH::GeomPadPanelFrame()const
 687 {
 688 //Pad Panel frame  6 sectors
 689   Double_t cm=1,mm=0.1*cm;//default is cm
 690   Float_t par[3];
 691
 692   par[0]=648*mm/2;par[1]=  411*mm/2;par[2]=40  *mm/2;gMC->Gsvolu("RPPF","BOX ",(*fIdtmed)[kAl]  ,par,3);//PPF 2001P2 inner size of the slab by 1mm more
 693   par[0]=181*mm/2;par[1]=89.25*mm/2;par[2]=38.3*mm/2;gMC->Gsvolu("PPFL","BOX ",(*fIdtmed)[kAir] ,par,3);//large whole
 694   par[0]=114*mm/2;par[1]=89.25*mm/2;par[2]=38.3*mm/2;gMC->Gsvolu("PPFS","BOX ",(*fIdtmed)[kAir] ,par,3);//small whole
 695   par[0]=644*mm/2;par[1]=  407*mm/2;par[2]= 1.7*mm/2;gMC->Gsvolu("RPC ","BOX ",(*fIdtmed)[kCsI] ,par,3);//by 0.2 mm more then actual size (PCB 2006P1)
 696
 697   gMC->Gspos("RPPF",1,"RICH",    -335*mm,      -433*mm,  8*cm+20*mm,  0,"ONLY");//F1 2040P1 z p.84 TDR
 698   gMC->Gspos("RPPF",2,"RICH",    +335*mm,      -433*mm,  8*cm+20*mm,  0,"ONLY");
 699   gMC->Gspos("RPPF",3,"RICH",    -335*mm,         0*mm,  8*cm+20*mm,  0,"ONLY");
 700   gMC->Gspos("RPPF",4,"RICH",    +335*mm,         0*mm,  8*cm+20*mm,  0,"ONLY");
 701   gMC->Gspos("RPPF",5,"RICH",    -335*mm,      +433*mm,  8*cm+20*mm,  0,"ONLY");
 702   gMC->Gspos("RPPF",6,"RICH",    +335*mm,      +433*mm,  8*cm+20*mm,  0,"ONLY");
 703     gMC->Gspos("RPC ",1,"RPPF",       0*mm,         0*mm,   -19.15*mm,  0,"ONLY");//PPF 2001P2
 704     gMC->Gspos("PPFL",1,"RPPF",  -224.5*mm,  -151.875*mm,     0.85*mm,  0,"ONLY");
 705     gMC->Gspos("PPFL",2,"RPPF",  -224.5*mm,  - 50.625*mm,     0.85*mm,  0,"ONLY");
 706     gMC->Gspos("PPFL",3,"RPPF",  -224.5*mm,  + 50.625*mm,     0.85*mm,  0,"ONLY");
 707     gMC->Gspos("PPFL",4,"RPPF",  -224.5*mm,  +151.875*mm,     0.85*mm,  0,"ONLY");
 708     gMC->Gspos("PPFS",1,"RPPF",  - 65.0*mm,  -151.875*mm,     0.85*mm,  0,"ONLY");
 709     gMC->Gspos("PPFS",2,"RPPF",  - 65.0*mm,  - 50.625*mm,     0.85*mm,  0,"ONLY");
 710     gMC->Gspos("PPFS",3,"RPPF",  - 65.0*mm,  + 50.625*mm,     0.85*mm,  0,"ONLY");
 711     gMC->Gspos("PPFS",4,"RPPF",  - 65.0*mm,  +151.875*mm,     0.85*mm,  0,"ONLY");
 712     gMC->Gspos("PPFS",5,"RPPF",  + 65.0*mm,  -151.875*mm,     0.85*mm,  0,"ONLY");
 713     gMC->Gspos("PPFS",6,"RPPF",  + 65.0*mm,  - 50.625*mm,     0.85*mm,  0,"ONLY");
 714     gMC->Gspos("PPFS",7,"RPPF",  + 65.0*mm,  + 50.625*mm,     0.85*mm,  0,"ONLY");
 715     gMC->Gspos("PPFS",8,"RPPF",  + 65.0*mm,  +151.875*mm,     0.85*mm,  0,"ONLY");
 716     gMC->Gspos("PPFL",5,"RPPF",  +224.5*mm,  -151.875*mm,     0.85*mm,  0,"ONLY");
 717     gMC->Gspos("PPFL",6,"RPPF",  +224.5*mm,  - 50.625*mm,     0.85*mm,  0,"ONLY");
 718     gMC->Gspos("PPFL",7,"RPPF",  +224.5*mm,  + 50.625*mm,     0.85*mm,  0,"ONLY");
 719     gMC->Gspos("PPFL",8,"RPPF",  +224.5*mm,  +151.875*mm,     0.85*mm,  0,"ONLY");
 720 }//GeomPadPanelFrame()
 721 //__________________________________________________________________________________________________
 722 void AliRICH::GeomAmpGap()const
 723 {
 724 //Gap - anod wires 6 copies to RICH
 725   Double_t cm=1,mm=0.1*cm,mkm=0.001*mm;//default is cm
 726   Int_t matrixIdReturn=0; //matrix id returned by AliMatrix
 727   Float_t par[3];
 728
 729
 730   par[0]=648*mm/2;par[1]=  411*mm/2 ;par[2]=4.45*mm/2;gMC->Gsvolu("RGAP","BOX ",(*fIdtmed)[kCH4] ,par,3);//xy as PPF 2001P2 z WP 2099P1
 731   par[0]=  0*mm  ;par[1]=  20*mkm/2 ;par[2]= 648*mm/2;gMC->Gsvolu("RANO","TUBE",(*fIdtmed)[kW]   ,par,3);//WP 2099P1 z = gap x PPF 2001P2
 732   AliMatrix(matrixIdReturn,180,0, 90,90, 90,0); //wires along x
 733
 734   gMC->Gspos("RGAP",1,"RICH",    -335*mm,      -433*mm,8*cm-2.225*mm, 0,"ONLY"); //F1 2040P1 z WP 2099P1
 735   gMC->Gspos("RGAP",2,"RICH",    +335*mm,      -433*mm,8*cm-2.225*mm, 0,"ONLY");
 736   gMC->Gspos("RGAP",3,"RICH",    -335*mm,         0*mm,8*cm-2.225*mm, 0,"ONLY");
 737   gMC->Gspos("RGAP",4,"RICH",    +335*mm,         0*mm,8*cm-2.225*mm, 0,"ONLY");
 738   gMC->Gspos("RGAP",5,"RICH",    -335*mm,      +433*mm,8*cm-2.225*mm, 0,"ONLY");
 739   gMC->Gspos("RGAP",6,"RICH",    +335*mm,      +433*mm,8*cm-2.225*mm, 0,"ONLY");
 740   for(int i=1;i<=96;i++)
 741     gMC->Gspos("RANO",i,"RGAP",     0*mm, -411/2*mm+i*4*mm, 0.185*mm, matrixIdReturn,"ONLY"); //WP 2099P1
 742 }//GeomAmpGap()
 743 //__________________________________________________________________________________________________
 744 void AliRICH::GeomRadiators()const
 745 {
 746 //Defines radiators geometry
 747   Double_t mm=0.1;//default is cm
 748   Float_t par[3];
 749   par[0]=1330*mm/2 ;par[1]= 413*mm/2  ;par[2]=  24*mm/2;  gMC->Gsvolu("RRAD","BOX ",(*fIdtmed)[kC6F14]     ,par,3); // Rad 2011P1
 750   par[0]=1330*mm/2 ;par[1]= 413*mm/2  ;par[2]=   4*mm/2;  gMC->Gsvolu("RRFR","BOX ",(*fIdtmed)[kRoha]      ,par,3); //front
 751   par[0]=1330*mm/2 ;par[1]= 413*mm/2  ;par[2]=   5*mm/2;  gMC->Gsvolu("RRWI","BOX ",(*fIdtmed)[kSiO2]      ,par,3); //window
 752   par[0]=1330*mm/2 ;par[1]=   5*mm/2  ;par[2]=  15*mm/2;  gMC->Gsvolu("RRLO","BOX ",(*fIdtmed)[kRoha]      ,par,3); //long side
 753   par[0]=  10*mm/2 ;par[1]= 403*mm/2  ;par[2]=  15*mm/2;  gMC->Gsvolu("RRSH","BOX ",(*fIdtmed)[kRoha]      ,par,3); //short side
 754   par[0]=   0      ;par[1]=  10*mm/2  ;par[2]=  15*mm/2;  gMC->Gsvolu("RRSP","TUBE",(*fIdtmed)[kSiO2]      ,par,3); //spacer
 755
 756   gMC->Gspos("RRAD",1,"RICH",   0*mm,-434*mm,   -12*mm,  0,"ONLY"); //3 radiators to RICH
 757   gMC->Gspos("RRAD",2,"RICH",   0*mm,   0*mm,   -12*mm,  0,"ONLY");
 758   gMC->Gspos("RRAD",3,"RICH",   0*mm,+434*mm,   -12*mm,  0,"ONLY");
 759     gMC->Gspos("RRFR",1,"RRAD",   0*mm,   0*mm, -10.0*mm,  0,"ONLY"); //front cover
 760     gMC->Gspos("RRWI",1,"RRAD",   0*mm,   0*mm,   9.5*mm,  0,"ONLY"); //quartz window (back cover)
 761     gMC->Gspos("RRLO",1,"RRAD",   0*mm,-204*mm,  -0.5*mm,  0,"ONLY"); //long side
 762     gMC->Gspos("RRLO",2,"RRAD",   0*mm,+204*mm,  -0.5*mm,  0,"ONLY"); //long side
 763     gMC->Gspos("RRSH",1,"RRAD",-660*mm,   0*mm,  -0.5*mm,  0,"ONLY"); //short side
 764     gMC->Gspos("RRSH",2,"RRAD",+660*mm,   0*mm,  -0.5*mm,  0,"ONLY"); //short side
 765     for(int i=0;i<3;i++)
 766       for(int j=0;j<10;j++)
 767         gMC->Gspos("RRSP",10*i+j,"RRAD",-1330*mm/2+116*mm+j*122*mm,(i-1)*105*mm,-0.5*mm,0,"ONLY");//spacers
 768 }//GeomRadiators()
 769 //__________________________________________________________________________________________________
 770 void AliRICH::GeomSandBox()const
 771 {
 772 //Defines SandBox geometry
 773   Double_t mm=0.1;//default is cm
 774   Float_t par[3];
 775   par[0]=1419*mm/2 ;par[1]=1378*mm/2;par[2]=50.5*mm/2; gMC->Gsvolu("RSNB","BOX ",(*fIdtmed)[kAir]  ,par,3);  //2072P1
 776   par[0]=1419*mm/2 ;par[1]=1378*mm/2;par[2]= 0.5*mm/2; gMC->Gsvolu("RSCO","BOX ",(*fIdtmed)[kAl]   ,par,3);  //cover
 777   par[0]=1359*mm/2 ;par[1]=1318*mm/2;par[2]=49.5*mm/2; gMC->Gsvolu("RSHO","BOX ",(*fIdtmed)[kRoha] ,par,3); //honeycomb structure
 778
 779   gMC->Gspos("RSNB",1,"RICH",   0*mm, 0*mm, -73.75*mm, 0,"ONLY"); //p.84 TDR sandbox to rich
 780     gMC->Gspos("RSHO",1,"RSNB", 0*mm, 0*mm,      0*mm, 0,"ONLY"); //2072P1 honeycomv to sandbox
 781     gMC->Gspos("RSCO",1,"RSNB", 0*mm, 0*mm,    +25*mm, 0,"ONLY"); //cover to sandbox
 782     gMC->Gspos("RSCO",2,"RSNB", 0*mm, 0*mm,    -25*mm, 0,"ONLY"); //cover to sandbox
 783 }//GeomSandBox()
 784 //__________________________________________________________________________________________________
 785 void AliRICH::GeomRadioSrc()const
 786 {
 787 // Defines geometry for radioactive source
 788   Double_t cm=1,mm=0.1*cm,mkm=0.001*cm;
 789   Float_t par[3];
 790
 791   par[0]=0 ;par[1]= 70*mm/2  ;par[2]=  30*mm/2;      gMC->Gsvolu("RSRC","TUBE",(*fIdtmed)[kCH4]    ,par,3); //top src container
 792     par[0]=0 ;par[1]= 38*mm/2  ;par[2]=  21.8*mm/2;  gMC->Gsvolu("RSAG","TUBE",(*fIdtmed)[kAl]     ,par,3); //Al glass
 793       par[0]=0 ;par[1]= 34*mm/2  ;par[2]=  20*mm/2;  gMC->Gsvolu("RSPP","TUBE",(*fIdtmed)[kPerpex] ,par,3); //perpex plug
 794         par[0]=0 ;par[1]= 5*mm/2  ;par[2]=  15*mm/2; gMC->Gsvolu("RSSC","TUBE",(*fIdtmed)[kSteel]  ,par,3); //steel screw in center of perpex
 795         par[0]=0 ;par[1]= 2*mm/2  ;par[2]=  10*mm/2; gMC->Gsvolu("RSSS","TUBE",(*fIdtmed)[kSteel]  ,par,3); //Steel screw to support Sr90
 796           par[0]=0 ;par[1]= 1*mm/2  ;par[2]= 1*mm/2; gMC->Gsvolu("RSSR","TUBE",(*fIdtmed)[kSr90]   ,par,3); //Sr90 source
 797         par[0]=0 ;par[1]= 4*mm/2  ;par[2]= 10*mm/2;  gMC->Gsvolu("RSWP","TUBE",(*fIdtmed)[kAir]    ,par,3); //Air hole in perpex plug
 798       par[0]=0 ;par[1]= 5*mm/2  ;par[2]= 1.8*mm/2;   gMC->Gsvolu("RSWA","TUBE",(*fIdtmed)[kAir]    ,par,3); //Air hole in Al glass bottom
 799     par[0]=0 ;par[1]= 30*mm/2  ;par[2]= 50*mkm/2;    gMC->Gsvolu("RSMF","TUBE",(*fIdtmed)[kMylar]  ,par,3); //Mylar foil
 800
 801   gMC->Gspos("RSRC",1,"RICH",       30*cm,        0,     1*cm, 0,"ONLY"); //source to RICH
 802     gMC->Gspos("RSMF",1,"RSRC",         0,        0,21.8*mm/2+50*mkm/2, 0,"ONLY");//mylar foil to top src volume
 803     gMC->Gspos("RSAG",1,"RSRC",         0,        0,        0, 0,"ONLY");//Al glass to fake Src volume
 804       gMC->Gspos("RSWA",1,"RSAG",    6*mm,        0,   -10*mm, 0,"ONLY");//air whole in al glass bottom
 805       gMC->Gspos("RSPP",1,"RSAG",       0,        0,   0.9*mm, 0,"ONLY");//perpex plug to Al glass
 806         gMC->Gspos("RSWP",1,"RSPP",  6*mm,        0,    -5*mm, 0,"ONLY");//air whole in perpex plug
 807         gMC->Gspos("RSSC",1,"RSPP",     0,        0,   2.5*mm, 0,"ONLY");//steel screw in center of perpex plug
 808         gMC->Gspos("RSSS",1,"RSPP",  6*mm,        0,     5*mm, 0,"ONLY");//steel screw to support Sr90  in perpex plug
 809           gMC->Gspos("RSSR",1,"RSSS",   0,        0,  -4.5*mm, 0,"ONLY");//Sr90  in support steel screw
 810 }//GeomSr90()
 811 //__________________________________________________________________________________________________
 812 void AliRICH::GeomAerogel()const
 813 {
 814 //Creates detailed geometry for aerogel study.
 815   AliDebug(1,"Start.");
 816   Double_t cm=1;
 817   Float_t par[3]; //tmp array for volume dimentions
 818
 819   par[0]=10.1*cm/2;par[1]=10.1*cm/2;par[2]=10.1*cm/2;
 820   gMC->Gsvolu("RREF","BOX ",(*fIdtmed)[kReflector],par,3);//reflector box
 821   gMC->Gspos("RREF",1,"RICH",0,0,0,0, "ONLY");            //put it to RICH volume
 822
 823   par[0]=10*cm/2;par[1]=10*cm/2;par[2]=10*cm/2;
 824   gMC->Gsvolu("RGEL","BOX ",(*fIdtmed)[kGel],par,3);//10x10x10 cm^3 cubic of aerogel
 825   gMC->Gspos("RGEL",1,"RREF",0,0,0,0,"ONLY");//put gel cell to reflector
 826   AliDebug(1,"Stop.");
 827 }//GeomAerogel()
 828 //__________________________________________________________________________________________________
 829 void AliRICH::CreateGeometry()
 830 {
 831 //Creates detailed geometry simulation (currently GEANT volumes tree)
 832   AliDebug(1,"Start main.");
 833   Double_t mm=0.1;//default is cm
 834   Float_t par[3];
 835   Int_t matrixIdReturn=0; //matrix id returned by AliMatrix
 836
 837 //place chambers into mother volume ALIC
 838   par[0]=(6*mm+1681*mm+6*mm)/2;par[1]=(6*mm+1466*mm+6*mm)/2;par[2]=(80*mm+40*mm)*2/2;
 839   gMC->Gsvolu("RICH","BOX ",(*fIdtmed)[kCH4],par,3);//2033P1  z p84 TDR
 840   for(int i=1;i<=P()->Nchambers();i++){ //test configuration with single chamber is taken into account automaticaly in AliRICHParam
 841     AliMatrix(matrixIdReturn,
 842                    C(i)->ThetaXd(),C(i)->PhiXd(),
 843                    C(i)->ThetaYd(),C(i)->PhiYd(),
 844                    C(i)->ThetaZd(),C(i)->PhiZd());
 845     gMC->Gspos("RICH",i,"ALIC",C(i)->Center().X(),
 846                                C(i)->Center().Y(),
 847                                C(i)->Center().Z(),matrixIdReturn, "ONLY");
 848   }
 849
 850   if(P()->IsAerogel())
 851     GeomAerogel();
 852   else{
 853     GeomPadPanelFrame();
 854     GeomAmpGap();
 855     if(P()->IsRadioSrc())    GeomRadioSrc(); else GeomRadiators();
 856     GeomSandBox();
 857   }
 858   AliDebug(1,"Stop main.");
 859 }//CreateGeometry()
 860 //__________________________________________________________________________________________________
 861 void AliRICH::DisplayEvent(Int_t iEvtNmin,Int_t iEvtNmax)const
 862 {
 863   TH2F *pDigitsH2[8];
 864
 865   Bool_t isDigits  =!GetLoader()->LoadDigits();
 866   if(!isDigits){Error("ShoEvent","No digits. Nothing to display.");return;}
 867
 868   TCanvas *canvas = new TCanvas("RICHDisplay","RICH Display",0,0,1226,900);
 869   gStyle->SetPalette(1);
 870
 871
 872   for(Int_t iChamber=1;iChamber<=7;iChamber++) {
 873     pDigitsH2[iChamber] = new TH2F(Form("pDigitsH2_%i",iChamber),Form("Chamber %i",iChamber),165,0,P()->PcSizeX(),144,0,P()->PcSizeY());
 874     pDigitsH2[iChamber]->SetMarkerColor(kGreen);
 875     pDigitsH2[iChamber]->SetMarkerStyle(29);
 876     pDigitsH2[iChamber]->SetMarkerSize(0.4);
 877     pDigitsH2[iChamber]->SetStats(kFALSE);
 878     pDigitsH2[iChamber]->SetMaximum(300);
 879   }
 880
 881   if(iEvtNmax>gAlice->GetEventsPerRun()||iEvtNmax==0) iEvtNmax=gAlice->GetEventsPerRun()-1;
 882
 883   TLatex t;  t.SetTextSize(0.1);
 884   for(Int_t iEventN=iEvtNmin;iEventN<=iEvtNmax;iEventN++) {//events loop
 885     canvas->Divide(3,3);
 886     canvas->cd(1);
 887     t.DrawText(0.2,0.4,Form("Event Number %i",iEventN));
 888
 889     GetLoader()->GetRunLoader()->GetEvent(iEventN); //get event
 890     GetLoader()->TreeD()->GetEntry(0);              //get list of digits
 891     for(Int_t iChamber=1;iChamber<=7;iChamber++) {//chambers loop
 892       pDigitsH2[iChamber]->Reset();
 893       for(Int_t j=0;j<Digits(iChamber)->GetEntries();j++) {//digits loop
 894         AliRICHDigit *pDig = (AliRICHDigit*)Digits(iChamber)->At(j);
 895         TVector2 x2=AliRICHParam::Pad2Loc(pDig->Pad());
 896         pDigitsH2[iChamber]->Fill(x2.X(),x2.Y(),pDig->Qdc());
 897       }//digits loop
 898       if(iChamber==1) canvas->cd(7);
 899       if(iChamber==2) canvas->cd(8);
 900       if(iChamber==3) canvas->cd(4);
 901       if(iChamber==4) canvas->cd(5);
 902       if(iChamber==5) canvas->cd(6);
 903       if(iChamber==6) canvas->cd(2);
 904       if(iChamber==7) canvas->cd(3);
 905       pDigitsH2[iChamber]->Draw("col");
 906       ReadESD(iEventN,iChamber);
 907       AliRICHParam::DrawSectors();
 908     }//chambers loop
 909     canvas->Update();
 910     canvas->Modified();
 911
 912     if(iEventN<iEvtNmax) {gPad->WaitPrimitive();canvas->Clear();}
 913   }//events loop
 914 }//ShowEvent()
 915 //__________________________________________________________________________________________________
 916 void AliRICH::Display()const
 917 {
 918 //Provides fast event display
 919 //For RICH only, full display is .x Display.C
 920   Bool_t isHits    =!GetLoader()->LoadHits();
 921   Bool_t isDigits  =!GetLoader()->LoadDigits();
 922   Bool_t isClusters=!GetLoader()->LoadRecPoints();
 923
 924   if(!isHits && !isDigits && !isClusters){Error("Exec","No hits digits and clusters. Nothing to display.");return;}
 925
 926   TCanvas *pCanvas = new TCanvas("Display","RICH Display",0,0,600,600);
 927
 928   TH2F *pHitsH2=0,*pDigitsH2=0,*pClustersH2=0;
 929
 930   if(isHits)     pHitsH2     = new TH2F("pHitsH2"  ,  "Event Display;x,cm;y,cm",165,0,AliRICHParam::PcSizeX(),
 931                                                                                 144,0,AliRICHParam::PcSizeY());
 932   if(pHitsH2)    pHitsH2->SetStats(kFALSE);
 933
 934   if(isDigits)   pDigitsH2   = new TH2F("pDigitsH2"  ,"Event Display",165,0,AliRICHParam::PcSizeX(),
 935                                                                       144,0,AliRICHParam::PcSizeY());
 936   if(isClusters) pClustersH2 = new TH2F("pClustersH2","Event Display",165,0,AliRICHParam::PcSizeX(),
 937                                                                       144,0,AliRICHParam::PcSizeY());
 938
 939   for(Int_t iEventN=0;iEventN<gAlice->GetEventsPerRun();iEventN++){//events Loop
 940     GetLoader()->GetRunLoader()->GetEvent(iEventN);
 941 //display all the staff on chamber by chamber basis
 942     for(Int_t iChamber=1;iChamber<=7;iChamber++){//chambers loop
 943       if(isHits)     pHitsH2    ->Reset();
 944       if(isDigits)   pDigitsH2  ->Reset();
 945       if(isClusters) pClustersH2->Reset();
 946 //deals with hits
 947       for(Int_t i=0;i<GetLoader()->TreeH()->GetEntries();i++){//TreeH loop
 948         GetLoader()->TreeH()->GetEntry(i);
 949         for(Int_t j=0;j<Hits()->GetEntries();j++){//hits loop
 950           AliRICHHit *pHit = (AliRICHHit*)Hits()->At(j);
 951           if(pHit->C()==iChamber){
 952             TVector3 hitGlobX3= pHit->OutX3();
 953             TVector2 hitLocX2 = C(iChamber)->Mrs2Pc(hitGlobX3);
 954             pHitsH2->Fill(hitLocX2.X(),hitLocX2.Y(),200);
 955           }//if
 956         }//hits loop
 957       }//TreeH loop
 958       pHitsH2->SetTitle(Form("event %i chamber %2i",iEventN,iChamber));
 959       pHitsH2->SetMarkerColor(kRed); pHitsH2->SetMarkerStyle(29); pHitsH2->SetMarkerSize(0.4);
 960       ReadESD(iEventN,iChamber);
 961       pHitsH2->Draw();
 962 //      ReadESD(iEventN,iChamber);
 963       AliRICHParam::DrawSectors();
 964       TLatex l; l.SetNDC(); l.SetTextSize(0.02);
 965       if(!isHits)     {l.SetTextColor(kRed)  ;l.DrawLatex(0.1,0.01,"No Hits"    );}
 966       if(!isDigits)   {l.SetTextColor(kGreen);l.DrawLatex(0.4,0.01,"No DIGITS"  );}
 967       if(!isClusters) {l.SetTextColor(kBlue) ;l.DrawLatex(0.8,0.01,"No CLUSTERS");}
 968       pCanvas->Update();        pCanvas->Modified();       gPad->WaitPrimitive();
 969 //deals with digits
 970       if(isDigits){
 971         GetLoader()->TreeD()->GetEntry(0);
 972         for(Int_t j=0;j<Digits(iChamber)->GetEntries();j++){//digits loop
 973           AliRICHDigit *pDig = (AliRICHDigit*)Digits(iChamber)->At(j);
 974           TVector2 x2=AliRICHParam::Pad2Loc(pDig->Pad());
 975           pDigitsH2->Fill(x2.X(),x2.Y(),100);
 976         }//digits loop
 977         pDigitsH2->SetMarkerColor(kGreen); pDigitsH2->SetMarkerStyle(29); pDigitsH2->SetMarkerSize(0.4);
 978         pDigitsH2->Draw("same");
 979         pCanvas->Update();        pCanvas->Modified();       gPad->WaitPrimitive();
 980       }//if(isDigits)
 981 //deals with clusters
 982       if(isClusters){
 983         GetLoader()->TreeR()->GetEntry(0);
 984         for(Int_t j=0;j<Clusters(iChamber)->GetEntries();j++){//clusters loop
 985           AliRICHCluster *pClus = (AliRICHCluster*)Clusters(iChamber)->At(j);
 986           pClustersH2->Fill(pClus->X(),pClus->Y(),50);
 987         }//clusters loop
 988         pClustersH2->SetMarkerColor(kBlue); pClustersH2->SetMarkerStyle(29);  pClustersH2->SetMarkerSize(0.4);
 989         pClustersH2->Draw("same");
 990         pCanvas->Update();        pCanvas->Modified();       gPad->WaitPrimitive();
 991       }//if(isClusters)
 992     }//chambers loop
 993   }//events Loop
 994
 995   delete pCanvas;
 996   GetLoader()->UnloadHits();
 997   if(isDigits)   GetLoader()->UnloadDigits();
 998   if(isClusters) GetLoader()->UnloadRecPoints();
 999 }//Display()
1000 //__________________________________________________________________________________________________
1001 Int_t AliRICH::Nparticles(Int_t iPartID,Int_t iEvtN,AliRunLoader *pRL)
1002 {
1003 //counts total number of particles of given type (including secondary) for a given event
1004   pRL->GetEvent(iEvtN);
1005   if(pRL->LoadHeader()) return 0;
1006   if(pRL->LoadKinematics()) return 0;
1007   AliStack *pStack=pRL->Stack();
1008
1009   Int_t iCounter=0;
1010   for(Int_t i=0;i<pStack->GetNtrack();i++){
1011     if(pStack->Particle(i)->GetPdgCode()==iPartID) iCounter++;
1012   }
1013
1014   pRL->UnloadHeader();
1015   pRL->UnloadKinematics();
1016   return iCounter;
1017 }
1018 //__________________________________________________________________________________________________
1019 void AliRICH::ReadESD(Int_t iEventN, Int_t iChamber)const
1020 {
1021 //
1022   AliInfo("Start.");
1023   TFile *pFile=TFile::Open("AliESDs.root","read");
1024   if(!pFile || !pFile->IsOpen()) {AliInfo("ESD file not open.");return;}      //open AliESDs.root
1025   TTree *pTree = (TTree*) pFile->Get("esdTree");
1026   if(!pTree){AliInfo("ESD not found.");return;}                               //get ESD tree
1027
1028   AliInfo("ESD found. Try to draw ring");
1029
1030   AliESD *pESD=new AliESD;  pTree->SetBranchAddress("ESD", &pESD);
1031
1032   pTree->GetEvent(iEventN);
1033
1034   Double_t b = pESD->GetMagneticField()/10.;
1035
1036   Int_t iNtracks=pESD->GetNumberOfTracks();
1037
1038   for(Int_t iTrackN=0;iTrackN<iNtracks;iTrackN++){//ESD tracks loop
1039     AliESDtrack *pTrack = pESD->GetTrack(iTrackN);// get next reconstructed track
1040     Int_t charge = (Int_t)(-TMath::Sign(1.,pTrack->GetSign()*b));
1041     AliRICHHelix helix(pTrack->X3(),pTrack->P3(),charge,b);
1042     Int_t iChamberOnRICH=helix.RichIntersect(P());
1043     if(iChamberOnRICH==iChamber) {
1044 //
1045       TMarker *trackImpact = new TMarker(helix.PosPc().X(),helix.PosPc().Y(),kStar);
1046       trackImpact->SetMarkerColor(kRed);
1047       trackImpact->Draw();
1048 //
1049       Int_t iChamberRecon = pTrack->GetRICHcluster()/100000;
1050       if(iChamberRecon==iChamber) {
1051         Double_t thetaCer = pTrack->GetRICHsignal();
1052         if(thetaCer<0) continue;
1053         TVector3 entrance(helix.PosRad().X(),helix.PosRad().Y(),0);
1054         Double_t thetaTrack,phiTrack;
1055         pTrack->GetRICHthetaPhi(thetaTrack,phiTrack);
1056         TVector3 vectorTrack;
1057         vectorTrack.SetMagThetaPhi(pTrack->GetP(),thetaTrack,phiTrack);
1058         AliInfo(Form("Draw ring started for track %i on chamber %i",iTrackN,iChamber));
1059         AliInfo(Form("ThetaCer %f TrackTheta %f TrackPhi %f Momentum %f",thetaCer,thetaTrack,phiTrack,pTrack->GetP()));
1060         Double_t dx,dy;
1061         pTrack->GetRICHdxdy(dx,dy);
1062         AliInfo(Form("dx %f dy %f ",dx,dy));
1063         DrawRing(entrance,vectorTrack,thetaCer);
1064       }
1065     }
1066   }
1067   delete pESD;  pFile->Close();//close AliESDs.root
1068   AliInfo("Stop.");
1069 }
1070 //__________________________________________________________________________________________________
1071 void AliRICH::DrawRing(TVector3 entrance,TVector3 vectorTrack,Double_t thetaCer)const
1072 {
1073   Double_t xGraph[100],yGraph[100];
1074   Int_t nPointsToDraw = 0;
1075   for(Int_t i=0;i<100;i++) {
1076     Double_t phiCer = 2*TMath::Pi()*i/100;
1077     TVector3 pos = AliRICHParam::ForwardTracing(entrance,vectorTrack,thetaCer,phiCer);
1078     if(pos.X()==-999) continue;
1079     xGraph[nPointsToDraw] = pos.X();yGraph[nPointsToDraw] = pos.Y();nPointsToDraw++;
1080   }
1081 //  AliInfo(Form("Npoints per ring %i",nPointsToDraw));
1082   TGraph *gra = new TGraph(nPointsToDraw,xGraph,yGraph);
1083   gra->Draw("C");
1084 }
1085 //__________________________________________________________________________________________________
1086 void AliRICH::SummaryOfEvent(Int_t iEvtN) const
1087 {
1088 //prints a summary for a given event
1089   AliInfo(Form("Summary of event %i",iEvtN));
1090   GetLoader()->GetRunLoader()->GetEvent(iEvtN);
1091   if(GetLoader()->GetRunLoader()->LoadHeader()) return;
1092   if(GetLoader()->GetRunLoader()->LoadKinematics()) return;
1093   AliStack *pStack=GetLoader()->GetRunLoader()->Stack();
1094
1095   AliGenEventHeader* pGenHeader =  gAlice->GetHeader()->GenEventHeader();
1096   if(pGenHeader->InheritsFrom("AliGenHijingEventHeader")) {
1097     AliInfo(Form(" Hijing event with impact parameter b = %.2f (fm)",((AliGenHijingEventHeader*) pGenHeader)->ImpactParameter()));
1098   }
1099   Int_t nChargedPrimaries=0;
1100   for(Int_t i=0;i<pStack->GetNtrack();i++) {
1101     TParticle *pParticle = pStack->Particle(i);
1102     if(pParticle->IsPrimary()&&pParticle->GetPDG()->Charge()!=0) nChargedPrimaries++;
1103     }
1104   AliInfo(Form("Total number of         primaries %i",pStack->GetNprimary()));
1105   AliInfo(Form("Total number of charged primaries %i",nChargedPrimaries));
1106   AliInfo(Form("Total n. of tracks in stack(+sec) %i",pStack->GetNtrack()));
1107   GetLoader()->GetRunLoader()->UnloadHeader();
1108   GetLoader()->GetRunLoader()->UnloadKinematics();
1109 }
1110 //__________________________________________________________________________________________________
1111 void AliRICH::HitsQA(Double_t cut,Double_t cutele,Double_t cutR)
1112 {
1113 // Provides a set of control plots intended primarily for charged particle flux analisys
1114 // Arguments: cut (GeV)    - cut on momentum of any charged particles but electrons,
1115 //            cetele (GeV) - the same for electrons-positrons
1116 //            cutR (cm)    - cut on production vertex radius (cylindrical system)
1117   gBenchmark->Start("HitsAna");
1118
1119   Double_t cutPantiproton    =cut;
1120   Double_t cutPkaonminus     =cut;
1121   Double_t cutPpionminus     =cut;
1122   Double_t cutPmuonminus     =cut;
1123   Double_t cutPpositron      =cutele;
1124
1125   Double_t cutPelectron      =cutele;
1126   Double_t cutPmuonplus      =cut;
1127   Double_t cutPpionplus      =cut;
1128   Double_t cutPkaonplus      =cut;
1129   Double_t cutPproton        =cut;
1130
1131
1132   TH2F *pEleHitRZ    =new TH2F("EleHitRZ"    ,Form("e^{+} e^{-} hit %s;z[cm];R[cm]" ,GetName())     , 400,-300,300 ,400,-500,500);   //R-z plot 0cm<R<550cm -300cm<z<300cm
1133   TH2F *pEleHitRP    =new TH2F("EleHitRP"    ,Form("e^{+} e^{-} hit %s;p[GeV];R[cm]",GetName())     ,1000,-1  ,1   ,400,   0,550);   //R-p plot 0cm<R<550cm -1GeV<p<1GeV
1134   TH1F *pEleAllP     =new TH1F("EleAllP"     ,     "e^{+} e^{-} all;p[GeV]"                         ,1000,-1  ,1                );
1135   TH1F *pEleHitP     =new TH1F("EleHitP"     ,Form("e^{+} e^{-} hit %s;p[GeV]"      ,GetName())     ,1000,-1  ,1                );
1136   TH1F *pMuoHitP     =new TH1F("MuoHitP"     ,Form("#mu^{-} #mu^{+} hit %s;p[GeV]"  ,GetName())     ,1000,-4  ,4                );
1137   TH1F *pPioHitP     =new TH1F("PioHitP"     ,Form("#pi^{-} #pi^{+} hit %s;p[GeV]"  ,GetName())     ,1000,-4  ,4                );
1138   TH1F *pKaoHitP     =new TH1F("KaoHitP"     ,Form("K^{-} K^{+} hit %s;p[GeV]"      ,GetName())     ,1000,-4  ,4                );
1139   TH1F *pProHitP     =new TH1F("ProHitP"     ,Form("p^{-} p^{+} hit %s;p[GeV]"      ,GetName())     ,1000,-4  ,4                );
1140   TH2F *pFlux        =new TH2F("flux"        ,Form("%s flux with Rvertex<%.1fcm"    ,GetName(),cutR),10  ,-5  ,5   , 10,0    ,10); //special text hist
1141   TH2F *pVertex      =new TH2F("vertex"      ,Form("%s 2D vertex of RICH hit;x;y"   ,GetName())     ,120 ,0   ,600 ,120,0    ,600); //special text hist
1142   TH1F *pRho         =new TH1F("rho"         ,Form("%s r of RICH hit"               ,GetName())     ,600 ,0   ,600); //special text hist
1143   pFlux->SetStats(0);
1144   pFlux->GetXaxis()->SetBinLabel(1 ,Form("p^{-}>%.3fGeV/c"   ,cutPantiproton));
1145   pFlux->GetXaxis()->SetBinLabel(2 ,Form("K^{-}>%.3fGeV/c"   ,cutPkaonminus ));
1146   pFlux->GetXaxis()->SetBinLabel(3 ,Form("#pi^{-}>%.3fGeV/c" ,cutPpionminus ));
1147   pFlux->GetXaxis()->SetBinLabel(4 ,Form("#mu^{-}>%.3fGeV/c" ,cutPmuonminus ));
1148   pFlux->GetXaxis()->SetBinLabel(5 ,Form("e^{+}>%.3fGeV/c"   ,cutPpositron  ));
1149
1150   pFlux->GetXaxis()->SetBinLabel(6 ,Form("e^{-}>%.3fGeV/c"   ,cutPelectron  ));
1151   pFlux->GetXaxis()->SetBinLabel(7 ,Form("#mu^{+}>%.3fGeV/c" ,cutPmuonplus  ));
1152   pFlux->GetXaxis()->SetBinLabel(8 ,Form("#pi^{+}>%.3fGeV/c" ,cutPpionplus  ));
1153   pFlux->GetXaxis()->SetBinLabel(9 ,Form("K^{+}>%.3fGeV/c"   ,cutPkaonplus  ));
1154   pFlux->GetXaxis()->SetBinLabel(10,Form("p^{+}>%.3fGeV/c"   ,cutPproton    ));
1155
1156   pFlux->GetYaxis()->SetBinLabel(1,"sum");
1157   pFlux->GetYaxis()->SetBinLabel(2,"ch1");
1158   pFlux->GetYaxis()->SetBinLabel(3,"ch2");
1159   pFlux->GetYaxis()->SetBinLabel(4,"ch3");
1160   pFlux->GetYaxis()->SetBinLabel(5,"ch4");
1161   pFlux->GetYaxis()->SetBinLabel(6,"ch5");
1162   pFlux->GetYaxis()->SetBinLabel(7,"ch6");
1163   pFlux->GetYaxis()->SetBinLabel(8,"ch7");
1164   pFlux->GetYaxis()->SetBinLabel(9,"prim");
1165   pFlux->GetYaxis()->SetBinLabel(10,"tot");
1166
1167 //end of hists definition
1168
1169   Int_t iNevents=fLoader->GetRunLoader()->GetAliRun()->GetEventsPerRun(),iCntPrimParts=0,iCntTotParts=0;
1170 //load all needed trees
1171   fLoader->LoadHits();
1172   fLoader->GetRunLoader()->LoadHeader();
1173   fLoader->GetRunLoader()->LoadKinematics();
1174
1175   for(Int_t iEvtN=0;iEvtN < iNevents;iEvtN++){//events loop
1176     fLoader->GetRunLoader()->GetEvent(iEvtN);
1177     AliInfo(Form(" %i event processes",fLoader->GetRunLoader()->GetEventNumber()));
1178     AliStack *pStack= fLoader->GetRunLoader()->Stack();
1179
1180     for(Int_t iParticleN=0;iParticleN<pStack->GetNtrack();iParticleN++){//stack loop
1181       TParticle *pPart=pStack->Particle(iParticleN);
1182
1183       if(iParticleN%10000==0) AliInfo(Form(" %i particles read",iParticleN));
1184
1185       switch(pPart->GetPdgCode()){
1186         case kProtonBar: pFlux->Fill(-4.5,9); if(pPart->Rho()<0.01) pFlux->Fill(-4.5,8); break;
1187         case kKMinus:    pFlux->Fill(-3.5,9); if(pPart->Rho()<0.01) pFlux->Fill(-3.5,8); break;
1188         case kPiMinus:   pFlux->Fill(-2.5,9); if(pPart->Rho()<0.01) pFlux->Fill(-2.5,8); break;
1189         case kMuonMinus: pFlux->Fill(-1.5,9); if(pPart->Rho()<0.01) pFlux->Fill(-1.5,8); break;
1190         case kPositron:  pFlux->Fill(-0.5,9); if(pPart->Rho()<0.01) pFlux->Fill(-0.5,8); pEleAllP->Fill(-pPart->P()); break;
1191
1192         case kElectron:  pFlux->Fill( 0.5,9); if(pPart->Rho()<0.01) pFlux->Fill( 0.5,8); pEleAllP->Fill( pPart->P()); break;
1193         case kMuonPlus:  pFlux->Fill( 1.5,9); if(pPart->Rho()<0.01) pFlux->Fill( 1.5,8); break;
1194         case kPiPlus:    pFlux->Fill( 2.5,9); if(pPart->Rho()<0.01) pFlux->Fill( 2.5,8); break;
1195         case kKPlus:     pFlux->Fill( 3.5,9); if(pPart->Rho()<0.01) pFlux->Fill( 3.5,8); break;
1196         case kProton:    pFlux->Fill( 4.5,9); if(pPart->Rho()<0.01) pFlux->Fill( 4.5,8); break;
1197       }//switch
1198     }//stack loop
1199 //now hits analiser
1200     for(Int_t iEntryN=0;iEntryN < fLoader->TreeH()->GetEntries();iEntryN++){//TreeH loop
1201       fLoader->TreeH()->GetEntry(iEntryN);                                  //get current entry (prim)
1202       for(Int_t iHitN=0;iHitN < Hits()->GetEntries();iHitN++){//hits loop
1203         AliRICHHit *pHit = (AliRICHHit*)Hits()->At(iHitN);            //get current hit
1204         TParticle  *pPart=pStack->Particle(pHit->GetTrack());      //get stack particle which produced the current hit
1205
1206         if(pPart->GetPDG()->Charge()!=0&&pPart->Rho()>0.1) pVertex->Fill(pPart->Vx(),pPart->Vy()); //safe margin for sec.
1207         if(pPart->GetPDG()->Charge()!=0) pRho->Fill(pPart->Rho()); //safe margin for sec.
1208         if(pPart->R()>cutR) continue;                                   //cut on production radius (cylindrical system)
1209
1210         switch(pPart->GetPdgCode()){
1211           case kProtonBar: if(pPart->P()>cutPantiproton) {pProHitP->Fill(-pPart->P()); pFlux->Fill(-4.5,pHit->C());}break;
1212           case kKMinus   : if(pPart->P()>cutPkaonminus)  {pKaoHitP->Fill(-pPart->P()); pFlux->Fill(-3.5,pHit->C());}break;
1213           case kPiMinus  : if(pPart->P()>cutPpionminus)  {pPioHitP->Fill(-pPart->P()); pFlux->Fill(-2.5,pHit->C());}break;
1214           case kMuonMinus: if(pPart->P()>cutPmuonminus)  {pMuoHitP->Fill(-pPart->P()); pFlux->Fill(-1.5,pHit->C());}break;
1215           case kPositron : if(pPart->P()>cutPpositron)   {pEleHitP->Fill(-pPart->P()); pFlux->Fill(-0.5,pHit->C());
1216                pEleHitRP->Fill(-pPart->P(),pPart->R());  pEleHitRZ->Fill(pPart->Vz(),pPart->R()); }break;
1217
1218           case kElectron : if(pPart->P()>cutPelectron)   {pEleHitP->Fill( pPart->P()); pFlux->Fill( 0.5,pHit->C());
1219                pEleHitRP->Fill( pPart->P(),pPart->R());  pEleHitRZ->Fill(pPart->Vz(),pPart->R()); }break;
1220           case kMuonPlus : if(pPart->P()>cutPmuonplus)   {pMuoHitP->Fill( pPart->P()); pFlux->Fill( 1.5,pHit->C());}break;
1221           case kPiPlus   : if(pPart->P()>cutPpionplus)   {pPioHitP->Fill( pPart->P()); pFlux->Fill( 2.5,pHit->C());}break;
1222           case kKPlus    : if(pPart->P()>cutPkaonplus)   {pKaoHitP->Fill( pPart->P()); pFlux->Fill( 3.5,pHit->C());}break;
1223           case kProton   : if(pPart->P()>cutPproton)     {pProHitP->Fill( pPart->P()); pFlux->Fill( 4.5,pHit->C());}break;
1224         }
1225       }//hits loop
1226     }//TreeH loop
1227     iCntPrimParts +=pStack->GetNprimary();
1228     iCntTotParts  +=pStack->GetNtrack();
1229   }//events loop
1230 //unload all loaded staff
1231   fLoader->UnloadHits();
1232   fLoader->GetRunLoader()->UnloadHeader();
1233   fLoader->GetRunLoader()->UnloadKinematics();
1234 //Calculater some sums
1235   Stat_t sum=0;
1236 //sum row, sum over rows
1237   for(Int_t i=1;i<=pFlux->GetNbinsX();i++){
1238     sum=0; for(Int_t j=2;j<=8;j++)    sum+=pFlux->GetBinContent(i,j);
1239     pFlux->SetBinContent(i,1,sum);
1240   }
1241
1242 //display everything
1243   new TCanvas("canvas1",Form("Events %i Nprims=%i Nparticles=%i",iNevents,iCntPrimParts,iCntTotParts),1000,900); pFlux->Draw("text");  gPad->SetGrid();
1244 //total prims and particles
1245   TLatex latex; latex.SetTextSize(0.02);
1246   sum=0; for(Int_t i=1;i<=pFlux->GetNbinsX();i++) sum+=pFlux->GetBinContent(i,10);    latex.DrawLatex(5.1,9.5,Form("%.0f",sum));
1247   sum=0; for(Int_t i=1;i<=pFlux->GetNbinsX();i++) sum+=pFlux->GetBinContent(i,9);     latex.DrawLatex(5.1,8.5,Form("%.0f",sum));
1248   for(Int_t iChN=1;iChN<=kNchambers;iChN++) {
1249     sum=0; for(Int_t i=1;i<=pFlux->GetNbinsX();i++) sum+=pFlux->GetBinContent(i,iChN+1);latex.DrawLatex(5.1,iChN+0.5,Form("%.0f",sum));
1250   }
1251   sum=0; for(Int_t i=1;i<=pFlux->GetNbinsX();i++) sum+=pFlux->GetBinContent(i,1);    latex.DrawLatex(5.1,0.5,Form("%.0f",sum));
1252
1253   new TCanvas("cEleAllP"   ,"e" ,200,100); pEleAllP->Draw();
1254   new TCanvas("cEleHitRP"  ,"e" ,200,100); pEleHitRP->Draw();
1255   new TCanvas("cEleHitRZ"  ,"e" ,200,100); pEleHitRZ->Draw();
1256   new TCanvas("cEleHitP"   ,"e" ,200,100); pEleHitP->Draw();
1257   new TCanvas("cMuoHitP"   ,"mu",200,100); pMuoHitP->Draw();
1258   new TCanvas("cPioHitP"   ,"pi",200,100); pPioHitP->Draw();
1259   new TCanvas("cKaoHitP"   ,"K" ,200,100); pKaoHitP->Draw();
1260   new TCanvas("cProHitP"   ,"p" ,200,100); pProHitP->Draw();
1261   new TCanvas("cVertex"    ,"2d vertex" ,200,100); pVertex->Draw();
1262   new TCanvas("cRho"    ,"Rho of sec" ,200,100); pRho->Draw();
1263
1264   gBenchmark->Show("HitsPlots");
1265 }//HitsPlots()