Tracking in non-uniform nmagnetic field (Yu.Belikov)
[u/mrichter/AliRoot.git] / 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 "AliRICHTracker.h"
20 #include "AliRICHHelix.h"
21 //#include <TArrayF.h>
22 #include <TGeometry.h>
23 #include <TBRIK.h>
24 #include <TTUBE.h>
25 #include <TFile.h>
26 #include <TNode.h> 
27 #include <TObjArray.h>
28 #include <TParticle.h>
29 #include <AliStack.h>
30 #include <AliHeader.h>
31 #include <AliGenEventHeader.h>
32 #include <AliGenHijingEventHeader.h>
33 #include <AliMagF.h>
34 #include <AliRun.h>
35 #include <AliRunDigitizer.h>
36 #include <AliMC.h>
37 #include <AliESD.h>
38 #include <TVirtualMC.h>
39 #include <TH1F.h>
40 #include <TH2F.h>
41 #include <TBenchmark.h>
42 #include <AliLog.h>
43 #include <TNtupleD.h>
44 #include <AliTracker.h>
45 #include <AliRawDataHeader.h>
46 #include <TLatex.h> //Display()
47 #include <TCanvas.h> //Display()
48 #include <TGraph.h> //Display()
49 #include <TStyle.h> //Display()
50 #include <TMarker.h> //Display()
51  
52 ClassImp(AliRICH)    
53 //__________________________________________________________________________________________________
54 // RICH manager class   
55 //BEGIN_HTML
56 /*
57   <img src="gif/alirich.gif">
58 */
59 //END_HTML
60 //__________________________________________________________________________________________________
61 AliRICH::AliRICH():AliDetector(),fParam(0),  fSdigits(0),fNsdigits(0),fDigs(0),fClus(0) 
62 {
63 //Default ctor should not contain any new operators
64 //AliDetector ctor deals with Hits and Digits  
65   for(int i=0;i<kNchambers;i++) fNdigs[i]  =0;
66   for(int i=0;i<kNchambers;i++) fNclus[i]=0;
67 //  fCounters.ResizeTo(20); fCounters.Zero();
68 }//AliRICH::AliRICH()
69 //__________________________________________________________________________________________________
70 AliRICH::AliRICH(const char *name, const char *title)
71         :AliDetector(name,title),fParam(new AliRICHParam),fSdigits(0),fNsdigits(0),fDigs(0),fClus(0)
72 {
73 //Named ctor
74   AliDebug(1,"Start.");
75 //AliDetector ctor deals with Hits and Digits (reset them to 0, does not create them)
76   HitsCreate();          gAlice->GetMCApp()->AddHitList(fHits);
77   fCounters.ResizeTo(20); fCounters.Zero();
78   AliDebug(1,"Stop.");
79 }//AliRICH::AliRICH(const char *name, const char *title)
80 //__________________________________________________________________________________________________
81 AliRICH::~AliRICH()
82 {
83 //dtor
84   AliDebug(1,"Start.");
85
86   if(fParam)     delete fParam;
87   
88   if(fHits)      delete fHits;
89   if(fSdigits)   delete fSdigits;
90   if(fDigits)    delete fDigits;
91   if(fDigs)      {fDigs->Delete();   delete fDigs;}
92   if(fClus)      {fClus->Delete();   delete fClus;}
93   AliDebug(1,"Stop.");    
94 }//AliRICH::~AliRICH()
95 //__________________________________________________________________________________________________
96 void AliRICH::Hits2SDigits()
97 {
98 // Create a list of sdigits corresponding to list of hits. Every hit generates one or more sdigits.
99   AliDebug(1,"Start.");
100   for(Int_t iEventN=0;iEventN<GetLoader()->GetRunLoader()->GetAliRun()->GetEventsPerRun();iEventN++){//events loop
101     GetLoader()->GetRunLoader()->GetEvent(iEventN);//get next event
102   
103     if(!GetLoader()->TreeH()) GetLoader()->LoadHits();    GetLoader()->GetRunLoader()->LoadHeader(); 
104     if(!GetLoader()->GetRunLoader()->TreeK())             GetLoader()->GetRunLoader()->LoadKinematics();//from
105     if(!GetLoader()->TreeS()) GetLoader()->MakeTree("S"); MakeBranch("S");//to
106           
107     for(Int_t iPrimN=0;iPrimN<GetLoader()->TreeH()->GetEntries();iPrimN++){//prims loop
108       GetLoader()->TreeH()->GetEntry(iPrimN);
109       for(Int_t iHitN=0;iHitN<Hits()->GetEntries();iHitN++){//hits loop 
110         AliRICHHit *pHit=(AliRICHHit*)Hits()->At(iHitN);//get current hit                
111         TVector2 x2 = C(pHit->C())->Mrs2Anod(0.5*(pHit->InX3()+pHit->OutX3()));//hit position in the anod plane
112         Int_t iTotQdc=P()->TotQdc(x2,pHit->Eloss());//total charge produced by hit, 0 if hit in dead zone
113         if(iTotQdc==0) continue;
114         //
115         //need to quantize the anod....
116         TVector padHit=AliRICHParam::Loc2Pad(x2);
117         TVector2 padHitXY=AliRICHParam::Pad2Loc(padHit);
118         TVector2 anod;
119         if((x2.Y()-padHitXY.Y())>0) anod.Set(x2.X(),padHitXY.Y()+AliRICHParam::PitchAnod()/2);
120         else anod.Set(x2.X(),padHitXY.Y()-AliRICHParam::PitchAnod()/2);
121         //end to quantize anod
122         //
123         TVector area=P()->Loc2Area(anod);//determine affected pads, dead zones analysed inside
124         AliDebug(1,Form("hitanod(%6.2f,%6.2f)->area(%3.0f,%3.0f)-(%3.0f,%3.0f) QDC=%4i",anod.X(),anod.Y(),area[0],area[1],area[2],area[3],iTotQdc));
125         TVector pad(2);
126         for(pad[1]=area[1];pad[1]<=area[3];pad[1]++)//affected pads loop
127           for(pad[0]=area[0];pad[0]<=area[2];pad[0]++){                    
128             Double_t padQdc=iTotQdc*P()->FracQdc(anod,pad);
129             AliDebug(1,Form("current pad(%3.0f,%3.0f) with QDC  =%6.2f",pad[0],pad[1],padQdc));
130             if(padQdc>0.1) SDigitAdd(pHit->C(),pad,padQdc,GetLoader()->GetRunLoader()->Stack()->Particle(pHit->GetTrack())->GetPdgCode(),pHit->GetTrack());
131           }//affected pads loop 
132       }//hits loop
133     }//prims loop
134     GetLoader()->TreeS()->Fill();
135     GetLoader()->WriteSDigits("OVERWRITE");
136     SDigitsReset();
137   }//events loop  
138   GetLoader()->UnloadHits(); GetLoader()->GetRunLoader()->UnloadHeader(); GetLoader()->GetRunLoader()->UnloadKinematics();
139   GetLoader()->UnloadSDigits();  
140   AliDebug(1,"Stop.");
141 }//Hits2SDigits()
142 //__________________________________________________________________________________________________
143 void AliRICH::Digits2Raw()
144 {
145 //Loops over all digits and creates raw data files in DDL format. GetEvent() is done outside (AliSimulation)
146 //RICH has 2 DDL per chamber, even number for right part(2-4-6) odd number for left part(1-3-5) 
147 //RICH has no any propriate header just uses the common one
148 //Each PC is divided by 8 rows counted from 1 to 8 from top to bottom for left PCs(1-3-5) and from bottom to top for right PCc(2-4-6)     (denoted  rrrrr 5 bits 32 values)
149 //Each raw is composed from 10 DILOGIC chips counted from left to right from 1 to 10                                                      (denoted   dddd 4 bits 16 values)
150 //Each DILOGIC chip serves 48 channels counted from 0 to 47                                                                               (denoted aaaaaa 6 bits 64 values)
151 //So RICH info word is  32 bits word with structure:   0000 0rrr rrdd ddaa aaaa qqqq qqqq qqqq (five 0 five r six a twelve q) with QDC    (denoted q...q 12 bits 4096 values)
152   AliDebug(1,"Start.");
153   GetLoader()->LoadDigits();
154   GetLoader()->TreeD()->GetEntry(0);
155   
156   Int_t kRichOffset=0x700; //currently one DDL per 3 sectors
157   
158   ofstream file135,file246;//output streams 2 DDL per chamber
159   AliRawDataHeader header;//empty DDL miniheader
160   UInt_t word32=1;        //32 bits data word 
161   
162   for(Int_t iChN=1;iChN<=kNchambers;iChN++){ //2 DDL per chamber open both in parallel   
163     file135.open(Form("RICH_%4i.ddl",kRichOffset+2*iChN-1));   //left part of chamber; sectors 1-3-5 odd DDL number
164     file246.open(Form("RICH_%4i.ddl",kRichOffset+2*iChN));     //right part of chamber; sectors 2-4-6 even DDL number
165 //common DDL header defined by standart, now dummy as the total number of bytes is not yet known    
166     file135.write((char*)&header,sizeof(header)); //dummy header just place holder
167     file246.write((char*)&header,sizeof(header)); //actual will be written later
168     
169     Int_t counter135=0,counter246=0;//counts total number of records per DDL 
170     
171     for(Int_t iDigN=0;iDigN<Digits(iChN)->GetEntriesFast();iDigN++){//digits loop for a given chamber
172       AliRICHDigit *pDig=(AliRICHDigit*)Digits(iChN)->At(iDigN);
173       word32=UInt_t (pDig->Q()+0x400*pDig->X()+0x4000*pDig->Y());  //arbitrary structure
174       switch(pDig->S()){//readout by vertical sectors: 1,3,5-left DDL 2,4,6-right DDL
175         case 1: case 3: case 5: file135.write((char*)&word32,sizeof(word32)); counter135++; break;
176         case 2: case 4: case 6: file246.write((char*)&word32,sizeof(word32)); counter246++; break;
177       }//switch sector  
178     }//digits loop for a given chamber
179 //now count total byte number for each DDL file and rewrite actual header    
180     header.fSize=sizeof(header)+counter135*sizeof(word32);   header.SetAttribute(0); file135.seekp(0); file135.write((char*)&header,sizeof(header));
181     header.fSize=sizeof(header)+counter246*sizeof(word32);   header.SetAttribute(0); file246.seekp(0); file246.write((char*)&header,sizeof(header));
182     file135.close(); file246.close();
183   }//chambers loop  
184   GetLoader()->UnloadDigits();
185   AliDebug(1,"Stop.");      
186 }//Digits2Raw()
187 //__________________________________________________________________________________________________
188 void AliRICH::BuildGeometry() 
189 {
190 //Builds a TNode geometry for event display
191   AliInfo("Start.");
192   
193   TNode *node, *subnode, *top;
194   top=gAlice->GetGeometry()->GetNode("alice");
195
196   Float_t widx =P()->SectorSizeX();
197   Float_t leny =P()->SectorSizeY();
198   Float_t dz   =P()->Zfreon()+P()->Zwin()+P()->Pc2Win();
199   Float_t dead =P()->DeadZone();
200
201   new TBRIK("RICH","RICH","void",widx+dead/2,leny+leny/2+dead,dz+0.1); //RICH chamber
202   new TBRIK("RPC" ,"RPC" ,"void",widx/2,leny/2,0.01);                  //RICH sector 
203
204   for(int i=1;i<=P()->Nchambers();i++){
205     top->cd();
206     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());
207     node->SetLineColor(kRed);
208     node->cd();
209     subnode = new TNode("PHOTO1","PHOTO1","RPC",-widx/2-dead/2,-leny-dead/2,dz,"");
210     subnode->SetLineColor(kGreen);
211     fNodes->Add(subnode);
212     subnode = new TNode("PHOTO1","PHOTO1","RPC", widx/2+dead/2,-leny-dead/2,dz,"");
213     subnode->SetLineColor(kGreen);
214     fNodes->Add(subnode);
215     subnode = new TNode("PHOTO1","PHOTO1","RPC",-widx/2-dead/2,           0,dz,"");
216     subnode->SetLineColor(kGreen);
217     fNodes->Add(subnode);
218     subnode = new TNode("PHOTO1","PHOTO1","RPC", widx/2+dead/2,           0,dz,"");
219     subnode->SetLineColor(kGreen);
220     fNodes->Add(subnode);
221     subnode = new TNode("PHOTO1","PHOTO1","RPC",-widx/2-dead/2, leny+dead/2,dz,"");
222     subnode->SetLineColor(kGreen);
223     fNodes->Add(subnode);
224     subnode = new TNode("PHOTO1","PHOTO1","RPC", widx/2+dead/2, leny+dead/2,dz,"");
225     subnode->SetLineColor(kGreen);
226     fNodes->Add(subnode);
227     fNodes->Add(node);
228   }
229
230   AliDebug(1,"Stop.");    
231 }//void AliRICH::BuildGeometry()
232 //__________________________________________________________________________________________________
233 void AliRICH::CreateMaterials()
234 {
235 // Definition of available RICH materials  
236         
237   Int_t   material=0; //tmp material id number
238   Float_t a=0,z=0,den=0,radl=0,absl=0; //tmp material parameters
239   
240   Float_t tmaxfd=-10.0, deemax=-0.2, stemax=-0.1,epsil=0.001, stmin=-0.001; 
241   Int_t   isxfld = gAlice->Field()->Integ();
242   Float_t sxmgmx = gAlice->Field()->Max();
243     
244   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
245   AliMixture(++material, "RichAir",aAir,zAir,den=0.00120479,4,wAir);                                          //1 (Air) 0.01% C 75% N  23% O 1% Ar
246   AliMedium(kAir, "RichAir",material, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
247   
248   AliMixture(++material, "RichAerogel",aAir,zAir,den=P()->DenGel(),4,wAir);                     //Aerogel represented by Air
249   AliMedium(kGel, "RichAerogel",material, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
250   
251   AliMixture(++material, "RichAerogelReflector",aAir,zAir,den=P()->DenGel(),4,wAir);           //Aerogel reflector represented by Air
252   AliMedium(kReflector, "RichAerogelReflector",material, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
253   
254   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
255   AliMedium(kRoha, "RichRohacell", material, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
256   
257   Float_t  aQuartz[2]={28.09,16.0};  Float_t  zQuartz[2]={14.00, 8.0};  Float_t  wQuartz[2]={1,2};
258   AliMixture(++material, "RichSiO2",aQuartz,zQuartz,den=2.64,-2, wQuartz);                                    //3 Quarz (SiO2) -trasparent rad window
259   AliMedium(kSiO2, "RichSiO2",material, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
260   
261   Float_t  aFreon[2]={12,19};  Float_t  zFreon[2]={6,9};  Float_t wmatFreon[2]={6,14};                        // C12-6 F19-9   
262   AliMixture(++material, "RichC6F14",aFreon,zFreon,den=1.68,-2,wmatFreon);                                    //4 Freon (C6F14) 
263   AliMedium(kC6F14, "RichC6F14",material, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
264   
265   Float_t aMethane[2]={12.01,1}; Float_t zMethane[2]={6,1}; Float_t wMethane[2]={1,4};
266   AliMixture (++material, "RichCH4", aMethane, zMethane, den=7.17e-4,-2, wMethane);                        //5,9 methane (CH4) normal and for Gap    
267   AliMedium(kCH4, "RichCH4"   , material, 1, isxfld, sxmgmx, tmaxfd, stemax,  deemax, epsil,  stmin);  
268   AliMixture (++material, "RichCH4gap", aMethane, zMethane, den=7.17e-4,-2, wMethane);                      //5,9 methane (CH4) normal and for Gap    
269   AliMedium(kGap, "RichCH4gap", material, 1, isxfld, sxmgmx, tmaxfd, 0.1   , -deemax, epsil, -stmin);
270     
271   AliMaterial(++material, "RichCsI",      a=12.01,z=6.0, den=0.1,     radl=18.8,   absl=0);                   //6 CsI-radl equivalent
272   AliMedium(kCsI, "RichCsI", material, 1, isxfld, sxmgmx,tmaxfd, stemax, deemax, epsil, stmin);
273   
274   AliMaterial(++material, "RichGridCu",    a=63.54,z=29.0,den=8.96,    radl=1.43,   absl=0);                   //7 anode grid (Cu) 
275   AliMedium(kGridCu, "RichGridCu", material, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
276     
277   AliMaterial(++material, "RichPcbCu",     a=63.54,z=29.0,den=8.96,    radl=1.4,    absl=0);                   //12 Cu
278   AliMedium(kCu, "RichPcbCu", material, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
279   
280   AliMixture (++material, "RichOpSiO2",aQuartz, zQuartz, den=2.64, -2, wQuartz);                             //8 Quarz (SiO2) - opaque
281   AliMedium(kOpSiO2, "RichOpSiO2",material, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
282   
283   AliMaterial(++material, "RichAl",     a=26.98,z=13.0,den=2.699,     radl=8.9,    absl=0);                 //10 aluminium sheet (Al)
284   AliMedium(kAl, "RichAl", material, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
285   
286   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};
287   AliMixture(++material,"RichGlass",aGlass, zGlass, den=1.74, 5, wGlass);                                    //11 Glass 50%-C 10.5%-Si 35.5%-O 3%-B 1%-Na
288   AliMedium(kGlass, "RichGlass", material, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
289
290   den=19.3;
291   AliMaterial(++material, "RichW",  a=183.84,z=74.0,den,    radl=0.35,    absl=185.0/den);              //13 W - anod wires
292   AliMedium(kW, "RichW", material, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
293   
294   
295   if(P()->IsRadioSrc()){
296     AliInfo("Special radioactive source materials");
297     den=7.87;
298     AliMaterial(++material, "RichSteel",  a=55.845,z=26.0,den,    radl=1.76,    absl=131.9/den);        //14 Steel (Fe)
299     AliMedium(kSteel, "RichSteel", material, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
300   
301     AliMaterial(++material, "RichPerpex",  a=63.54,z=29.0,den=8.96,    radl=1.4,    absl=0);                 //15 Perpex
302     AliMedium(kPerpex, "RichPerpex", material, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
303     
304     AliMaterial(++material, "RichSr90",  a=87.62,z=38.0,den=2.54,    radl=4.24,    absl=0);                  //16 Sr90
305     AliMedium(kSr90, "RichSr90", material, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
306     
307     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
308     AliMixture(++material,"RichMylar",aMylar, zMylar, den=1.39, -3, wMylar); 
309     AliMedium(kMylar, "RichMylar", material, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
310   }
311   
312 //Optical properties:
313 #include "Opticals.h"
314   gMC->SetCerenkov((*fIdtmed)[kAir]      , kNbins, aPckov, aAbsCH4    , aQeAll, aIdxCH4);       //1 Air
315   gMC->SetCerenkov((*fIdtmed)[kRoha]     , kNbins, aPckov, aAbsCH4    , aQeAll, aIdxCH4);       //2 Honeycomb  
316   gMC->SetCerenkov((*fIdtmed)[kSiO2]     , kNbins, aPckov, aAbsSiO2   , aQeAll, aIdxSiO2);      //3 Quartz SiO2 
317   gMC->SetCerenkov((*fIdtmed)[kC6F14]    , kNbins, aPckov, aAbsC6F14  , aQeAll, aIdxC6F14);     //4 Freon C6F14
318   gMC->SetCerenkov((*fIdtmed)[kCH4]      , kNbins, aPckov, aAbsCH4    , aQeAll, aIdxCH4);       //5 Methane CH4 
319   gMC->SetCerenkov((*fIdtmed)[kCsI]      , kNbins, aPckov, aAbsCsI    , aQeCsI, aIdxCH4);       //6 CsI
320   gMC->SetCerenkov((*fIdtmed)[kGridCu]   , kNbins, aPckov, aAbsGrid   , aQeAll, aIdxMetal);     //7 grid Cu
321   gMC->SetCerenkov((*fIdtmed)[kOpSiO2]   , kNbins, aPckov, aAbsOpSiO2 , aQeAll, aIdxMetal);     //8 Opaque quartz SiO2
322   gMC->SetCerenkov((*fIdtmed)[kGap]      , kNbins, aPckov, aAbsCH4    , aQeAll, aIdxCH4);       //9 Special methane gap
323   gMC->SetCerenkov((*fIdtmed)[kAl]       , kNbins, aPckov, aAbsGrid   , aQeAll, aIdxMetal);     //10 Aluminium
324   gMC->SetCerenkov((*fIdtmed)[kGlass]    , kNbins, aPckov, aAbsOpSiO2 , aQeAll, aIdxMetal);     //11 Glass    
325   gMC->SetCerenkov((*fIdtmed)[kGel]      , kNbins, aPckov, aAbsGel    , aQeAll, aIdxGel);       //12 Aerogel
326   gMC->SetCerenkov((*fIdtmed)[kReflector], kNbins, aPckov, aAbsRef    , aQeAll, aIdxMetal);     //13 Aerogel reflector
327 }//void AliRICH::CreateMaterials()
328 //__________________________________________________________________________________________________
329 Float_t AliRICH::Fresnel(Float_t ene,Float_t pdoti, Bool_t pola)
330 {
331
332     //ENE(EV), PDOTI=COS(INC.ANG.), PDOTR=COS(POL.PLANE ROT.ANG.)
333     
334     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,
335                       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,
336                       7.8,7.9,8.0,8.1,8.2,8.3,8.4,8.5};
337     Float_t csin[36] = {2.14,2.21,2.33,2.48,2.76,2.97,2.99,2.59,2.81,3.05,
338                         2.86,2.53,2.55,2.66,2.79,2.96,3.18,3.05,2.84,2.81,2.38,2.11,
339                         2.01,2.13,2.39,2.73,3.08,3.15,2.95,2.73,2.56,2.41,2.12,1.95,
340                         1.72,1.53};
341     Float_t csik[36] = {0.,0.,0.,0.,0.,0.196,0.408,0.208,0.118,0.49,0.784,0.543,
342                         0.424,0.404,0.371,0.514,0.922,1.102,1.139,1.376,1.461,1.253,0.878,
343                         0.69,0.612,0.649,0.824,1.347,1.571,1.678,1.763,1.857,1.824,1.824,
344                         1.714,1.498};
345     Float_t xe=ene;
346     Int_t  j=Int_t(xe*10)-49;
347     Float_t cn=csin[j]+((csin[j+1]-csin[j])/0.1)*(xe-en[j]);
348     Float_t ck=csik[j]+((csik[j+1]-csik[j])/0.1)*(xe-en[j]);
349
350     //FORMULAE FROM HANDBOOK OF OPTICS, 33.23 OR
351     //W.R. HUNTER, J.O.S.A. 54 (1964),15 , J.O.S.A. 55(1965),1197
352
353     Float_t sinin=TMath::Sqrt(1-pdoti*pdoti);
354     Float_t tanin=sinin/pdoti;
355
356     Float_t c1=cn*cn-ck*ck-sinin*sinin;
357     Float_t c2=4*cn*cn*ck*ck;
358     Float_t aO=TMath::Sqrt(0.5*(TMath::Sqrt(c1*c1+c2)+c1));
359     Float_t b2=0.5*(TMath::Sqrt(c1*c1+c2)-c1);
360     
361     Float_t rs=((aO-pdoti)*(aO-pdoti)+b2)/((aO+pdoti)*(aO+pdoti)+b2);
362     Float_t rp=rs*((aO-sinin*tanin)*(aO-sinin*tanin)+b2)/((aO+sinin*tanin)*(aO+sinin*tanin)+b2);
363     
364
365     //CORRECTION FACTOR FOR SURFACE ROUGHNESS
366     //B.J. STAGG  APPLIED OPTICS, 30(1991),4113
367
368     Float_t sigraf=18.;
369     Float_t lamb=1240/ene;
370     Float_t fresn;
371  
372     Float_t  rO=TMath::Exp(-(4*TMath::Pi()*pdoti*sigraf/lamb)*(4*TMath::Pi()*pdoti*sigraf/lamb));
373
374     if(pola)
375     {
376         Float_t pdotr=0.8;                                 //DEGREE OF POLARIZATION : 1->P , -1->S
377         fresn=0.5*(rp*(1+pdotr)+rs*(1-pdotr));
378     }
379     else
380         fresn=0.5*(rp+rs);
381       
382     fresn = fresn*rO;
383     return(fresn);
384 }//Fresnel()
385 //__________________________________________________________________________________________________
386 void AliRICH::MakeBranch(Option_t* option)
387 {
388 //Create Tree branches for the RICH.
389   AliDebug(1,Form("Start with option= %s.",option));
390     
391   const Int_t kBufferSize = 4000;
392       
393   const char *cH = strstr(option,"H");
394   const char *cD = strstr(option,"D");
395   const char *cR = strstr(option,"R");
396   const char *cS = strstr(option,"S");
397
398   if(cH&&TreeH()){//H
399     HitsCreate();      //branch will be created in AliDetector::MakeBranch
400   }//H     
401   AliDetector::MakeBranch(option);//this is after cH because we need to guarantee that fHits array is created
402       
403   if(cS&&fLoader->TreeS()){//S  
404     SDigitsCreate();   MakeBranchInTree(fLoader->TreeS(),"RICH",&fSdigits,kBufferSize,0) ;
405   }//S
406    
407   if(cD&&fLoader->TreeD()){//D
408     DigitsCreate();
409     for(Int_t i=0;i<kNchambers;i++){ 
410       MakeBranchInTree(fLoader->TreeD(),Form("%s%d",GetName(),i+1),&((*fDigs)[i]),kBufferSize,0);
411     }
412   }//D
413   
414   if(cR&&fLoader->TreeR()){//R
415     ClustersCreate();
416     for(Int_t i=0;i<kNchambers;i++)
417       MakeBranchInTree(fLoader->TreeR(),Form("%sClusters%d",GetName(),i+1), &((*fClus)[i]), kBufferSize, 0);    
418   }//R
419   AliDebug(1,"Stop.");   
420 }//void AliRICH::MakeBranch(Option_t* option)
421 //__________________________________________________________________________________________________
422 void AliRICH::SetTreeAddress()
423 {
424 //Set branch address for the Hits and Digits Tree.
425   AliDebug(1,"Start.");
426       
427   TBranch *branch;
428     
429   if(fLoader->TreeH()){//H
430     AliDebug(1,"tree H is requested.");
431     HitsCreate();//branch map will be in AliDetector::SetTreeAddress    
432   }//H
433   AliDetector::SetTreeAddress();//this is after TreeH because we need to guarantee that fHits array is created
434
435   if(fLoader->TreeS()){//S
436     AliDebug(1,"tree S is requested.");
437     branch=fLoader->TreeS()->GetBranch(GetName());        if(branch){SDigitsCreate();   branch->SetAddress(&fSdigits);}
438   }//S
439     
440   if(fLoader->TreeD()){//D    
441     AliDebug(1,"tree D is requested.");
442     for(int i=0;i<kNchambers;i++){      
443       branch=fLoader->TreeD()->GetBranch(Form("%s%d",GetName(),i+1)); 
444       if(branch){DigitsCreate(); branch->SetAddress(&((*fDigs)[i]));}
445     }
446   }//D
447     
448   if(fLoader->TreeR()){//R
449     AliDebug(1,"tree R is requested.");
450     for(int i=0;i<kNchambers;i++){         
451       branch=fLoader->TreeR()->GetBranch(Form("%sClusters%d" ,GetName(),i+1));
452       if(branch){ClustersCreate(); branch->SetAddress(&((*fClus)[i]));}
453     }
454   }//R
455   AliDebug(1,"Stop.");
456 }//void AliRICH::SetTreeAddress()
457 //__________________________________________________________________________________________________
458 void AliRICH::Print(Option_t *option)const
459 {
460 //Debug printout
461   TObject::Print(option);
462   P()->Print();
463   fCounters.Print();
464 }//void AliRICH::Print(Option_t *option)const
465 //__________________________________________________________________________________________________
466 void AliRICH::ControlPlots()
467
468 //Creates a set of QA hists to control the results of simulation. Hists are in file $HOME/RCP.root     
469   TH1F             *pElecP=0 ,*pMuonP=0 ,*pPionP=0 ,*pKaonP=0 ,*pProtP=0,  //stack particles
470                    *pHxD=0,*pHyD=0,*pHxSd=0,*pHySd=0,      //diff hit position - digit sdigit position 
471                    *pNumClusH1=0,
472                    *pQdcH1=0,       *pSizeH1=0,
473                    *pPureMipQdcH1=0,*pPureMipSizeH1=0,
474                    *pPureCerQdcH1=0,*pPureCerSizeH1=0,
475                    *pPureFeeQdcH1=0,*pPureFeeSizeH1=0,
476                    *pMipQdcH1=0,    *pPhotQdcH1=0;  
477   TH2F *pMapH2=0,*pPureMipMapH2=0,*pPureCerMapH2=0,*pPureFeeMapH2=0;
478   TH1F *pelecRadius=0,*pprotRadius=0,*pprotbarRadius=0;
479 //load all information  
480                  GetLoader()->GetRunLoader()->LoadHeader();  
481                  GetLoader()->GetRunLoader()->LoadKinematics();  
482                  GetLoader()->LoadHits();  
483   Bool_t isSdig=0;//!GetLoader()->LoadSDigits();
484   Bool_t isDig =0;//!GetLoader()->LoadDigits();
485   Bool_t isClus=!GetLoader()->LoadRecPoints();
486
487   gBenchmark->Start("ControlPlots");
488     
489   TFile *pFile = new TFile("$(HOME)/RCP.root","RECREATE");   
490   
491   pElecP=new TH1F("Pelec","Electrons made hit in RICH;p [GeV]",1000,-30,30); 
492   pMuonP=new TH1F("Pmuon","Muons made hit in RICH;p [GeV]",1000,-30,30); 
493   pPionP=new TH1F("Ppion","Pions made hit in RICH;p [GeV]",1000,-30,30); 
494   pKaonP=new TH1F("Pkaon","Kaon made hit in RICH;p [GeV]",1000,-30,30); 
495   pProtP=new TH1F("Pprot","Protons made hit in RICH;p [GeV]",1000,-30,30); 
496   pelecRadius=new TH1F("elecRadius","elec",600,0.,600.);  
497   pprotRadius=new TH1F("protRadius","elec",600,0.,600.);  
498   pprotbarRadius=new TH1F("protbarRadius","elec",600,0.,600.);
499     
500   if(isSdig){
501     AliInfo("SDigits available");
502     pHxSd=new TH1F("DiffHitSDigitX","Hit-SDigit diff X all chambers;diff [cm]",300,-10,10); 
503     pHySd=new TH1F("DiffHitSDigitY","Hit-SDigit diff Y all chambers;diff [cm]",300,-10,10); 
504   }//isSdig
505   
506   if(isDig){
507     AliInfo("Digits available");
508     pHxD=new TH1F("DiffHitDigitX","Hit-Digit diff X all chambers;diff [cm]",300,-10,10); 
509     pHyD=new TH1F("DiffHitDigitY","Hit-Digit diff Y all chambers;diff [cm]",300,-10,10); 
510   }//isDig
511   
512   if(isClus){ 
513     AliInfo("Clusters available");
514     pNumClusH1=new TH1F("NumClusPerEvent","Number of clusters per event;number",50,0,49);
515     
516     pQdcH1        =new TH1F("ClusQdc",   "Cluster Charge all chambers;q [QDC]",P()->MaxQdc(),0,P()->MaxQdc());
517     pSizeH1       =new TH1F("ClusSize",  "Cluster size all chambers;size [number of pads in cluster]",100,0,100);
518     pMapH2        =new TH2F("ClusMap",   "Cluster map;x [cm];y [cm]",1000,0,P()->PcSizeX(),1000,0,P()->PcSizeY());
519   
520     pMipQdcH1     =new TH1F("QdcMip"      ,"MIP Cluster Charge all chambers;q [QDC]",P()->MaxQdc(),0,P()->MaxQdc());
521     pPhotQdcH1    =new TH1F("QdcPhot"     ,"Cer+Fee Cluster Charge all chambers;q [QDC]",P()->MaxQdc(),0,P()->MaxQdc());
522         
523     pPureMipQdcH1 =new TH1F("QdcPureMip"  ,"MIP only Cluster Charge all chambers;q [QDC]",P()->MaxQdc(),0,P()->MaxQdc());
524     pPureMipSizeH1=new TH1F("SizePureMip" ,"MIP only Cluster size all chambers;size [number of pads in cluster]",100,0,100);
525     pPureMipMapH2 =new TH2F("MapPureMip"  ,"MIP only Cluster map;x [cm];y [cm]",1000,0,P()->PcSizeX(),1000,0,P()->PcSizeY());
526   
527     pPureCerQdcH1 =new TH1F("QdcPureCer"  ,"Cerenkov only Cluster Charge all chambers;q [QDC]",P()->MaxQdc(),0,P()->MaxQdc());
528     pPureCerSizeH1=new TH1F("SizePureCer" ,"Cernekov only Cluster size all chambers;size [number of pads in cluster]",100,0,100);
529     pPureCerMapH2 =new TH2F("MapPureCer"  ,"Cerenkov only Cluster map;x [cm];y [cm]",1000,0,P()->PcSizeX(),1000,0,P()->PcSizeY());
530     
531     pPureFeeQdcH1 =new TH1F("QdcPureFee"  ,"Feedback only Cluster Charge all chambers;q [QDC]",P()->MaxQdc(),0,P()->MaxQdc());
532     pPureFeeSizeH1=new TH1F("SizePureFee" ,"Feedback only Cluster size all chambers;size [number of pads in cluster]",100,0,100);
533     pPureFeeMapH2 =new TH2F("MapPureFee"  ,"Feedback only Cluster map;x [cm];y [cm]",1000,0,P()->PcSizeX(),1000,0,P()->PcSizeY());
534
535   }//isClus
536 //end of hists booking  
537   for(Int_t iEvtN=0;iEvtN < GetLoader()->GetRunLoader()->GetAliRun()->GetEventsPerRun();iEvtN++){//events loop
538     GetLoader()->GetRunLoader()->GetEvent(iEvtN);    //get current event
539     
540     for(Int_t iPrimN=0;iPrimN < GetLoader()->TreeH()->GetEntries();iPrimN++){//hit tree loop
541       GetLoader()->TreeH()->GetEntry(iPrimN);      
542       for(Int_t j=0;j<Hits()->GetEntries();j++){//hits loop
543         AliRICHHit *pHit = (AliRICHHit*)Hits()->At(j);
544         TParticle *pParticle = GetLoader()->GetRunLoader()->Stack()->Particle(pHit->GetTrack());//get particle produced this hit
545         Double_t dRadius = TMath::Sqrt(pParticle->Vx()*pParticle->Vx()+pParticle->Vy()*pParticle->Vy()+pParticle->Vz()*pParticle->Vz());
546         switch(pParticle->GetPdgCode()){
547           case kPositron : pElecP->Fill( pParticle->P());pelecRadius->Fill(dRadius); break;
548           case kElectron : pElecP->Fill(-pParticle->P());pelecRadius->Fill(dRadius); break;
549           
550           case kMuonPlus : pMuonP->Fill( pParticle->P()); break;
551           case kMuonMinus: pMuonP->Fill(-pParticle->P()); break;
552                     
553           case kPiPlus   : pPionP->Fill( pParticle->P()); break;
554           case kPiMinus  : pPionP->Fill(-pParticle->P()); break;
555           
556           case kKPlus    : pKaonP->Fill( pParticle->P()); break;
557           case kKMinus   : pKaonP->Fill(-pParticle->P()); break;
558           
559           case kProton   : pProtP->Fill( pParticle->P()); pprotRadius->Fill(dRadius); break;
560           case kProtonBar: pProtP->Fill(-pParticle->P()); pprotbarRadius->Fill(dRadius); break;
561               
562         }//switch PdgCode
563             
564       }//hits loop
565     }//hit tree loop
566     
567     if(isSdig){
568       GetLoader()->TreeS()->GetEntry(0);  
569       for(Int_t iSdigN=0;iSdigN<SDigits()->GetEntries();iSdigN++){//sdigits loop 
570         AliRICHDigit *pSdig=(AliRICHDigit*)SDigits()->At(iSdigN); //get current sdigit pointer  
571         AliRICHHit   *pHit=Hit(pSdig->GetTrack(0));               //get hit of this sdigit (always one)
572         TVector2 hit2 =C(pHit->C())->Mrs2Pc(pHit->OutX3());       //this hit position  in local system
573         TVector2 sdig2=P()->Pad2Loc(pSdig->Pad());                //center of pad for this sdigit
574         pHxSd->Fill(hit2.X()-sdig2.X());        
575         pHySd->Fill(hit2.Y()-sdig2.Y());      
576       }//sdigits loop
577     }//if(isSdig)
578         
579     if(isDig)  GetLoader()->TreeD()->GetEntry(0);  
580     if(isClus) GetLoader()->TreeR()->GetEntry(0);
581     
582     for(Int_t iChamN=1;iChamN<=7;iChamN++){//chambers loop
583       if(isDig){
584         for(Int_t iDigN=0;iDigN<Digits(iChamN)->GetEntries();iDigN++){//digits loop
585           AliRICHDigit *pDig=(AliRICHDigit*)Digits(iChamN)->At(iDigN);
586           AliRICHHit   *pHit=Hit(pDig->GetTrack(0));           //get first hit of this digit
587           TVector2 hitV2=C(iChamN)->Mrs2Pc(pHit->OutX3()); 
588           TVector2 digV2=P()->Pad2Loc(pDig->Pad());            //center of pad for this digit
589           pHxD->Fill(hitV2.X()-digV2.X());        pHyD->Fill(hitV2.Y()-digV2.Y());
590         }//digits loop
591       }//isDig
592       if(isClus){
593         Int_t iNclusCham=Clusters(iChamN)->GetEntries(); if(iNclusCham) pNumClusH1->Fill(iNclusCham);//number of clusters per event
594         for(Int_t iClusN=0;iClusN<iNclusCham;iClusN++){//clusters loop
595           AliRICHCluster *pClus=(AliRICHCluster*)Clusters(iChamN)->At(iClusN);
596                                        pQdcH1        ->Fill(pClus->Q());   
597                                        pSizeH1       ->Fill(pClus->Size());  
598                                        pMapH2        ->Fill(pClus->X(),pClus->Y()); //common
599                                        
600            if(pClus->IsSingleMip())     {pPureMipQdcH1 ->Fill(pClus->Q());
601                                        pPureMipSizeH1->Fill(pClus->Size());
602                                        pPureMipMapH2 ->Fill(pClus->X(),pClus->Y());}//Pure Mips
603                                        
604            if(pClus->IsSingleCerenkov()){pPureCerQdcH1 ->Fill(pClus->Q());
605                                        pPureCerSizeH1->Fill(pClus->Size());
606                                        pPureCerMapH2 ->Fill(pClus->X(),pClus->Y());}//Pure Cerenkovs
607                                        
608            if(pClus->IsSingleFeedback()){pPureFeeQdcH1 ->Fill(pClus->Q());
609                                        pPureFeeSizeH1->Fill(pClus->Size());
610                                        pPureFeeMapH2 ->Fill(pClus->X(),pClus->Y());}//Pure Feedbacks
611            
612            if(pClus->IsMip()) {pMipQdcH1 ->Fill(pClus->Q());} //MIP+ other contributions
613            if(!pClus->IsPureMip())     pPhotQdcH1->Fill(pClus->Q());  //not MIP
614         }//clusters loop
615       }//isClus
616     }//chambers loop
617     Info("ControlPlots","Event %i processed.",iEvtN);
618   }//events loop 
619              GetLoader()->UnloadHits();
620   if(isSdig) GetLoader()->UnloadSDigits();
621   if(isDig)  GetLoader()->UnloadDigits();
622   if(isClus) GetLoader()->UnloadRecPoints();
623   
624   GetLoader()->GetRunLoader()->UnloadHeader();  
625   GetLoader()->GetRunLoader()->UnloadKinematics();  
626   
627   pFile->Write(); delete pFile;
628   
629   gBenchmark->Show("ControlPlots");
630 }//ControlPlots()
631 //__________________________________________________________________________________________________
632 AliRICHHit* AliRICH::Hit(Int_t tid)const
633 {
634 //defines which hit provided by given tid for the currently loaded event
635   GetLoader()->LoadHits();
636   for(Int_t iPrimN=0;iPrimN<GetLoader()->TreeH()->GetEntries();iPrimN++){//prims loop      
637     GetLoader()->TreeH()->GetEntry(iPrimN);
638     for(Int_t iHitN=0;iHitN<Hits()->GetEntries();iHitN++){
639       AliRICHHit *pHit=(AliRICHHit*)Hits()->At(iHitN);
640       if(tid==pHit->Track()) {GetLoader()->UnloadHits();return pHit;}
641     }//hits
642   }//prims loop
643   GetLoader()->UnloadHits();
644   return 0;
645 }
646 //__________________________________________________________________________________________________
647 void AliRICH::HitsPrint(Int_t iEvtN)const
648 {
649 //Prints a list of RICH hits for a given event. Default is event number 0.
650   if(GetLoader()->GetRunLoader()->GetEvent(iEvtN)) return;    
651   AliInfo(Form("List of RICH hits for event %i",iEvtN));
652   if(GetLoader()->LoadHits()) return;
653   
654   Int_t iTotalHits=0;
655   for(Int_t iPrimN=0;iPrimN<GetLoader()->TreeH()->GetEntries();iPrimN++){//prims loop
656     GetLoader()->TreeH()->GetEntry(iPrimN);      
657     Hits()->Print();
658     iTotalHits+=Hits()->GetEntries();
659   }
660   GetLoader()->UnloadHits();
661   AliInfo(Form("totally %i hits",iTotalHits));
662 }
663 //__________________________________________________________________________________________________
664 void AliRICH::SDigitsPrint(Int_t iEvtN)const
665 {
666 //prints a list of RICH sdigits  for a given event
667   if(GetLoader()->GetRunLoader()->GetEvent(iEvtN)) return;    
668   Info("PrintSDigits","List of RICH sdigits for event %i",iEvtN);
669   if(GetLoader()->LoadSDigits()) return;
670   
671   GetLoader()->TreeS()->GetEntry(0);
672   SDigits()->Print();
673   GetLoader()->UnloadSDigits();
674   Info("PrintSDigits","totally %i sdigits",SDigits()->GetEntries());
675 }
676 //__________________________________________________________________________________________________
677 void AliRICH::DigitsPrint(Int_t iEvtN)const
678 {
679 //prints a list of RICH digits  for a given event
680   if(GetLoader()->GetRunLoader()->GetEvent(iEvtN)) return;    
681   Info("PrintDigits","List of RICH digits for event %i",iEvtN);
682   if(GetLoader()->LoadDigits()) return;
683   
684   Int_t iTotalDigits=0;
685   GetLoader()->TreeD()->GetEntry(0);
686   for(Int_t iChamber=1;iChamber<=kNchambers;iChamber++){
687     Digits(iChamber)->Print();
688     iTotalDigits+=Digits(iChamber)->GetEntries();
689   }
690   GetLoader()->UnloadDigits();
691   Info("PrintDigits","totally %i Digits",iTotalDigits);
692 }
693 //__________________________________________________________________________________________________
694 void AliRICH::OccupancyPrint(Int_t iEvtNreq)const
695 {
696 //prints occupancy for each chamber in a given event
697   Int_t iEvtNmin,iEvtNmax;
698   if(iEvtNreq==-1){
699     iEvtNmin=0;
700     iEvtNmax=gAlice->GetEventsPerRun();
701   } else { 
702     iEvtNmin=iEvtNreq;iEvtNmax=iEvtNreq+1;
703   }
704     
705   if(GetLoader()->GetRunLoader()->LoadHeader()) return;    
706   if(GetLoader()->GetRunLoader()->LoadKinematics()) return;    
707   
708 //  Info("Occupancy","for event %i",iEvtN);
709   if(GetLoader()->LoadHits()) return;
710   if(GetLoader()->LoadDigits()) return;
711
712   Int_t totPadsPerChamber = AliRICHParam::NpadsX()*AliRICHParam::NpadsY();  
713
714   Int_t nDigCh[kNchambers]={0,0,0,0,0,0,0};  
715   Int_t iChHits[kNchambers]={0,0,0,0,0,0,0};
716   Int_t nPrim[kNchambers]={0,0,0,0,0,0,0};
717   Int_t nSec[kNchambers]={0,0,0,0,0,0,0};
718   
719   for(Int_t iEvtN=iEvtNmin;iEvtN<iEvtNmax;iEvtN++){
720     if(iEvtN%10==0) AliInfo(Form("events processed %i",iEvtN));
721     if(GetLoader()->GetRunLoader()->GetEvent(iEvtN)) return;    
722     AliStack *pStack = GetLoader()->GetRunLoader()->Stack();
723     for(Int_t iPrimN=0;iPrimN<GetLoader()->TreeH()->GetEntries();iPrimN++){//prims loop
724       GetLoader()->TreeH()->GetEntry(iPrimN);      
725       for(Int_t iHitN=0;iHitN<Hits()->GetEntries();iHitN++){
726         AliRICHHit *pHit = (AliRICHHit *)Hits()->At(iHitN);
727         if(pHit->Eloss()>0){
728           iChHits[pHit->C()-1]++;
729           if(pStack->Particle(pHit->GetTrack())->Rho()<0.01) nPrim[pHit->C()-1]++;else nSec[pHit->C()-1]++;
730         }
731       }
732     }
733     GetLoader()->TreeD()->GetEntry(0);
734     for(Int_t iChamber=1;iChamber<=kNchambers;iChamber++) nDigCh[iChamber-1]= Digits(iChamber)->GetEntries();
735   }  
736   for(Int_t iChamber=1;iChamber<=kNchambers;iChamber++){
737     Double_t occupancy = (Double_t)nDigCh[iChamber-1]/(Double_t)totPadsPerChamber;
738     Info("Occupancy","for chamber %i = %4.2f %% and charged prim tracks %i and sec. tracks %i with total %i",
739         iChamber,occupancy*100.,nPrim[iChamber-1],nSec[iChamber-1],iChHits[iChamber-1]);
740   }    
741   GetLoader()->UnloadHits();
742   GetLoader()->UnloadDigits();
743   GetLoader()->GetRunLoader()->UnloadHeader();    
744   GetLoader()->GetRunLoader()->UnloadKinematics();    
745 }
746 //__________________________________________________________________________________________________
747 void AliRICH::ClustersPrint(Int_t iEvtN)const
748 {
749 //prints a list of RICH clusters  for a given event
750   AliInfo(Form("List of RICH clusters for event %i",iEvtN));
751   GetLoader()->GetRunLoader()->GetEvent(iEvtN);    
752   if(GetLoader()->LoadRecPoints()) return;
753   
754   Int_t iTotalClusters=0;
755   GetLoader()->TreeR()->GetEntry(0);
756   for(Int_t iChamber=1;iChamber<=kNchambers;iChamber++){
757     Clusters(iChamber)->Print();
758     iTotalClusters+=Clusters(iChamber)->GetEntries();
759   }
760   GetLoader()->UnloadRecPoints();
761   AliInfo(Form("totally %i clusters for event %i",iTotalClusters,iEvtN));
762 }
763 //__________________________________________________________________________________________________
764 void AliRICH::PrintTracks(Int_t iEvtN)
765 {
766 //prints a list of tracks (including secondary) for a given event
767   AliInfo(Form("List of all tracks for event %i",iEvtN));
768   GetLoader()->GetRunLoader()->GetEvent(iEvtN);    
769   if(GetLoader()->GetRunLoader()->LoadHeader()) return;
770   if(GetLoader()->GetRunLoader()->LoadKinematics()) return;
771   AliStack *pStack=GetLoader()->GetRunLoader()->Stack();
772   
773   for(Int_t i=0;i<pStack->GetNtrack();i++) pStack->Particle(i)->Print();
774   
775   AliInfo(Form("totally %i tracks including %i primaries for event %i",pStack->GetNtrack(),pStack->GetNprimary(),iEvtN));
776   GetLoader()->GetRunLoader()->UnloadHeader();
777   GetLoader()->GetRunLoader()->UnloadKinematics();
778 }
779 //__________________________________________________________________________________________________
780 void AliRICH::GeomPadPanelFrame()const
781 {
782 //Pad Panel frame  6 sectors
783   Double_t cm=1,mm=0.1*cm;//default is cm
784   Float_t par[3];
785   
786   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
787   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
788   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
789   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)
790   
791   gMC->Gspos("RPPF",1,"RICH",    -335*mm,      -433*mm,  8*cm+20*mm,  0,"ONLY");//F1 2040P1 z p.84 TDR
792   gMC->Gspos("RPPF",2,"RICH",    +335*mm,      -433*mm,  8*cm+20*mm,  0,"ONLY");
793   gMC->Gspos("RPPF",3,"RICH",    -335*mm,         0*mm,  8*cm+20*mm,  0,"ONLY");
794   gMC->Gspos("RPPF",4,"RICH",    +335*mm,         0*mm,  8*cm+20*mm,  0,"ONLY");
795   gMC->Gspos("RPPF",5,"RICH",    -335*mm,      +433*mm,  8*cm+20*mm,  0,"ONLY");
796   gMC->Gspos("RPPF",6,"RICH",    +335*mm,      +433*mm,  8*cm+20*mm,  0,"ONLY");  
797     gMC->Gspos("RPC ",1,"RPPF",       0*mm,         0*mm,   -19.15*mm,  0,"ONLY");//PPF 2001P2 
798     gMC->Gspos("PPFL",1,"RPPF",  -224.5*mm,  -151.875*mm,     0.85*mm,  0,"ONLY");
799     gMC->Gspos("PPFL",2,"RPPF",  -224.5*mm,  - 50.625*mm,     0.85*mm,  0,"ONLY");
800     gMC->Gspos("PPFL",3,"RPPF",  -224.5*mm,  + 50.625*mm,     0.85*mm,  0,"ONLY");
801     gMC->Gspos("PPFL",4,"RPPF",  -224.5*mm,  +151.875*mm,     0.85*mm,  0,"ONLY");
802     gMC->Gspos("PPFS",1,"RPPF",  - 65.0*mm,  -151.875*mm,     0.85*mm,  0,"ONLY");
803     gMC->Gspos("PPFS",2,"RPPF",  - 65.0*mm,  - 50.625*mm,     0.85*mm,  0,"ONLY");
804     gMC->Gspos("PPFS",3,"RPPF",  - 65.0*mm,  + 50.625*mm,     0.85*mm,  0,"ONLY");
805     gMC->Gspos("PPFS",4,"RPPF",  - 65.0*mm,  +151.875*mm,     0.85*mm,  0,"ONLY");
806     gMC->Gspos("PPFS",5,"RPPF",  + 65.0*mm,  -151.875*mm,     0.85*mm,  0,"ONLY");
807     gMC->Gspos("PPFS",6,"RPPF",  + 65.0*mm,  - 50.625*mm,     0.85*mm,  0,"ONLY");
808     gMC->Gspos("PPFS",7,"RPPF",  + 65.0*mm,  + 50.625*mm,     0.85*mm,  0,"ONLY");
809     gMC->Gspos("PPFS",8,"RPPF",  + 65.0*mm,  +151.875*mm,     0.85*mm,  0,"ONLY"); 
810     gMC->Gspos("PPFL",5,"RPPF",  +224.5*mm,  -151.875*mm,     0.85*mm,  0,"ONLY");
811     gMC->Gspos("PPFL",6,"RPPF",  +224.5*mm,  - 50.625*mm,     0.85*mm,  0,"ONLY");
812     gMC->Gspos("PPFL",7,"RPPF",  +224.5*mm,  + 50.625*mm,     0.85*mm,  0,"ONLY");
813     gMC->Gspos("PPFL",8,"RPPF",  +224.5*mm,  +151.875*mm,     0.85*mm,  0,"ONLY");
814 }//GeomPadPanelFrame()
815 //__________________________________________________________________________________________________
816 void AliRICH::GeomAmpGap()const
817 {
818 //Gap - anod wires 6 copies to RICH
819   Double_t cm=1,mm=0.1*cm,mkm=0.001*mm;//default is cm
820   Int_t matrixIdReturn=0; //matrix id returned by AliMatrix
821   Float_t par[3];
822
823
824   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
825   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
826   AliMatrix(matrixIdReturn,180,0, 90,90, 90,0); //wires along x
827   
828   gMC->Gspos("RGAP",1,"RICH",    -335*mm,      -433*mm,8*cm-2.225*mm, 0,"ONLY"); //F1 2040P1 z WP 2099P1
829   gMC->Gspos("RGAP",2,"RICH",    +335*mm,      -433*mm,8*cm-2.225*mm, 0,"ONLY"); 
830   gMC->Gspos("RGAP",3,"RICH",    -335*mm,         0*mm,8*cm-2.225*mm, 0,"ONLY"); 
831   gMC->Gspos("RGAP",4,"RICH",    +335*mm,         0*mm,8*cm-2.225*mm, 0,"ONLY"); 
832   gMC->Gspos("RGAP",5,"RICH",    -335*mm,      +433*mm,8*cm-2.225*mm, 0,"ONLY"); 
833   gMC->Gspos("RGAP",6,"RICH",    +335*mm,      +433*mm,8*cm-2.225*mm, 0,"ONLY"); 
834   for(int i=1;i<=96;i++)
835     gMC->Gspos("RANO",i,"RGAP",     0*mm, -411/2*mm+i*4*mm, 0.185*mm, matrixIdReturn,"ONLY"); //WP 2099P1  
836 }//GeomAmpGap()
837 //__________________________________________________________________________________________________
838 void AliRICH::GeomRadiators()const
839 {
840 //Defines radiators geometry  
841   Double_t mm=0.1;//default is cm
842   Float_t par[3];
843   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
844   par[0]=1330*mm/2 ;par[1]= 413*mm/2  ;par[2]=   4*mm/2;  gMC->Gsvolu("RRFR","BOX ",(*fIdtmed)[kRoha]      ,par,3); //front 
845   par[0]=1330*mm/2 ;par[1]= 413*mm/2  ;par[2]=   5*mm/2;  gMC->Gsvolu("RRWI","BOX ",(*fIdtmed)[kSiO2]      ,par,3); //window
846   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  
847   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 
848   par[0]=   0      ;par[1]=  10*mm/2  ;par[2]=  15*mm/2;  gMC->Gsvolu("RRSP","TUBE",(*fIdtmed)[kSiO2]      ,par,3); //spacer        
849     
850   gMC->Gspos("RRAD",1,"RICH",   0*mm,-434*mm,   -12*mm,  0,"ONLY"); //3 radiators to RICH
851   gMC->Gspos("RRAD",2,"RICH",   0*mm,   0*mm,   -12*mm,  0,"ONLY"); 
852   gMC->Gspos("RRAD",3,"RICH",   0*mm,+434*mm,   -12*mm,  0,"ONLY"); 
853     gMC->Gspos("RRFR",1,"RRAD",   0*mm,   0*mm, -10.0*mm,  0,"ONLY"); //front cover 
854     gMC->Gspos("RRWI",1,"RRAD",   0*mm,   0*mm,   9.5*mm,  0,"ONLY"); //quartz window (back cover)
855     gMC->Gspos("RRLO",1,"RRAD",   0*mm,-204*mm,  -0.5*mm,  0,"ONLY"); //long side
856     gMC->Gspos("RRLO",2,"RRAD",   0*mm,+204*mm,  -0.5*mm,  0,"ONLY"); //long side
857     gMC->Gspos("RRSH",1,"RRAD",-660*mm,   0*mm,  -0.5*mm,  0,"ONLY"); //short side
858     gMC->Gspos("RRSH",2,"RRAD",+660*mm,   0*mm,  -0.5*mm,  0,"ONLY"); //short side 
859     for(int i=0;i<3;i++)
860       for(int j=0;j<10;j++)
861         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
862 }//GeomRadiators()
863 //__________________________________________________________________________________________________
864 void AliRICH::GeomSandBox()const
865 {
866 //Defines SandBox geometry
867   Double_t mm=0.1;//default is cm
868   Float_t par[3];
869   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   
870   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
871   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 
872   
873   gMC->Gspos("RSNB",1,"RICH",   0*mm, 0*mm, -73.75*mm, 0,"ONLY"); //p.84 TDR sandbox to rich
874     gMC->Gspos("RSHO",1,"RSNB", 0*mm, 0*mm,      0*mm, 0,"ONLY"); //2072P1 honeycomv to sandbox
875     gMC->Gspos("RSCO",1,"RSNB", 0*mm, 0*mm,    +25*mm, 0,"ONLY"); //cover to sandbox
876     gMC->Gspos("RSCO",2,"RSNB", 0*mm, 0*mm,    -25*mm, 0,"ONLY"); //cover to sandbox
877 }//GeomSandBox()
878 //__________________________________________________________________________________________________
879 void AliRICH::GeomRadioSrc()const
880 {
881 // Defines geometry for radioactive source  
882   Double_t cm=1,mm=0.1*cm,mkm=0.001*cm;
883   Float_t par[3];
884   
885   par[0]=0 ;par[1]= 70*mm/2  ;par[2]=  30*mm/2;      gMC->Gsvolu("RSRC","TUBE",(*fIdtmed)[kCH4]    ,par,3); //top src container
886     par[0]=0 ;par[1]= 38*mm/2  ;par[2]=  21.8*mm/2;  gMC->Gsvolu("RSAG","TUBE",(*fIdtmed)[kAl]     ,par,3); //Al glass
887       par[0]=0 ;par[1]= 34*mm/2  ;par[2]=  20*mm/2;  gMC->Gsvolu("RSPP","TUBE",(*fIdtmed)[kPerpex] ,par,3); //perpex plug
888         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
889         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 
890           par[0]=0 ;par[1]= 1*mm/2  ;par[2]= 1*mm/2; gMC->Gsvolu("RSSR","TUBE",(*fIdtmed)[kSr90]   ,par,3); //Sr90 source
891         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      
892       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
893     par[0]=0 ;par[1]= 30*mm/2  ;par[2]= 50*mkm/2;    gMC->Gsvolu("RSMF","TUBE",(*fIdtmed)[kMylar]  ,par,3); //Mylar foil                
894     
895   gMC->Gspos("RSRC",1,"RICH",       30*cm,        0,     1*cm, 0,"ONLY"); //source to RICH
896     gMC->Gspos("RSMF",1,"RSRC",         0,        0,21.8*mm/2+50*mkm/2, 0,"ONLY");//mylar foil to top src volume
897     gMC->Gspos("RSAG",1,"RSRC",         0,        0,        0, 0,"ONLY");//Al glass to fake Src volume 
898       gMC->Gspos("RSWA",1,"RSAG",    6*mm,        0,   -10*mm, 0,"ONLY");//air whole in al glass bottom
899       gMC->Gspos("RSPP",1,"RSAG",       0,        0,   0.9*mm, 0,"ONLY");//perpex plug to Al glass
900         gMC->Gspos("RSWP",1,"RSPP",  6*mm,        0,    -5*mm, 0,"ONLY");//air whole in perpex plug
901         gMC->Gspos("RSSC",1,"RSPP",     0,        0,   2.5*mm, 0,"ONLY");//steel screw in center of perpex plug
902         gMC->Gspos("RSSS",1,"RSPP",  6*mm,        0,     5*mm, 0,"ONLY");//steel screw to support Sr90  in perpex plug
903           gMC->Gspos("RSSR",1,"RSSS",   0,        0,  -4.5*mm, 0,"ONLY");//Sr90  in support steel screw
904 }//GeomSr90()
905 //__________________________________________________________________________________________________
906 void AliRICH::GeomAerogel()const
907 {
908 //Creates detailed geometry for aerogel study.
909   AliDebug(1,"Start.");
910   Double_t cm=1;
911   Float_t par[3]; //tmp array for volume dimentions
912        
913   par[0]=10.1*cm/2;par[1]=10.1*cm/2;par[2]=10.1*cm/2;
914   gMC->Gsvolu("RREF","BOX ",(*fIdtmed)[kReflector],par,3);//reflector box
915   gMC->Gspos("RREF",1,"RICH",0,0,0,0, "ONLY");            //put it to RICH volume
916   
917   par[0]=10*cm/2;par[1]=10*cm/2;par[2]=10*cm/2;
918   gMC->Gsvolu("RGEL","BOX ",(*fIdtmed)[kGel],par,3);//10x10x10 cm^3 cubic of aerogel
919   gMC->Gspos("RGEL",1,"RREF",0,0,0,0,"ONLY");//put gel cell to reflector
920   AliDebug(1,"Stop.");  
921 }//GeomAerogel()
922 //__________________________________________________________________________________________________
923 void AliRICH::CreateGeometry()
924 {
925 //Creates detailed geometry simulation (currently GEANT volumes tree)         
926   AliDebug(1,"Start main.");
927   Double_t mm=0.1;//default is cm
928   Float_t par[3];
929   Int_t matrixIdReturn=0; //matrix id returned by AliMatrix
930        
931 //place chambers into mother volume ALIC
932   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;
933   gMC->Gsvolu("RICH","BOX ",(*fIdtmed)[kCH4],par,3);//2033P1  z p84 TDR
934   for(int i=1;i<=P()->Nchambers();i++){ //test configuration with single chamber is taken into account automaticaly in AliRICHParam
935     AliMatrix(matrixIdReturn,
936                    C(i)->ThetaXd(),C(i)->PhiXd(),  
937                    C(i)->ThetaYd(),C(i)->PhiYd(),  
938                    C(i)->ThetaZd(),C(i)->PhiZd());
939     gMC->Gspos("RICH",i,"ALIC",C(i)->Center().X(),
940                                C(i)->Center().Y(),
941                                C(i)->Center().Z(),matrixIdReturn, "ONLY");
942   }
943   
944   if(P()->IsAerogel()) 
945     GeomAerogel();
946   else{
947     GeomPadPanelFrame();
948     GeomAmpGap();
949     if(P()->IsRadioSrc())    GeomRadioSrc(); else GeomRadiators(); 
950     GeomSandBox();           
951   }
952   AliDebug(1,"Stop main.");  
953 }//CreateGeometry()
954 //__________________________________________________________________________________________________
955 void AliRICH::CheckPR()const
956 {
957 //Pattern recognition with stack particles
958   TFile *pFile = new TFile("$(HOME)/RPR.root","RECREATE","RICH Pattern Recognition");
959   TNtupleD *hn = new TNtupleD("hn","ntuple","Pmod:Charge:TrackTheta:TrackPhi:TrackX:TrackY:MinX:MinY:ChargeMIP:ThetaCerenkov:NPhotons:MipIndex:Chamber:Particle");
960 //  printf("\n\n");
961 //  printf("Pattern Recognition done for event %5i",0);
962   AliMagF * magf = gAlice->Field();
963   AliTracker::SetFieldMap(magf,kTRUE);
964   for(Int_t iEvtN=0;iEvtN<GetLoader()->GetRunLoader()->GetNumberOfEvents();iEvtN++) {
965     GetLoader()->GetRunLoader()->GetEvent(iEvtN);
966     AliRICHTracker *tr = new AliRICHTracker();
967     tr->RecWithStack(hn);
968     Info("CheckPR","Pattern Recognition done for event %i \b",iEvtN);
969 //    printf("\b\b\b\b\b%5i",iEvtN+1);
970   }
971   printf("\n\n");
972   pFile->Write();pFile->Close();
973 }
974 //__________________________________________________________________________________________________
975 void AliRICH::DisplayEvent(Int_t iEvtNmin,Int_t iEvtNmax)const
976 {
977   TH2F *pDigitsH2[8];
978
979   Bool_t isDigits  =!GetLoader()->LoadDigits();
980   if(!isDigits){Error("ShoEvent","No digits. Nothing to display.");return;}
981   
982   TCanvas *canvas = new TCanvas("RICHDisplay","RICH Display",0,0,1226,900);     
983   gStyle->SetPalette(1);
984
985   
986   for(Int_t iChamber=1;iChamber<=7;iChamber++) {
987     pDigitsH2[iChamber] = new TH2F(Form("pDigitsH2_%i",iChamber),Form("Chamber %i",iChamber),165,0,P()->PcSizeX(),144,0,P()->PcSizeY());
988     pDigitsH2[iChamber]->SetMarkerColor(kGreen); 
989     pDigitsH2[iChamber]->SetMarkerStyle(29); 
990     pDigitsH2[iChamber]->SetMarkerSize(0.4);
991     pDigitsH2[iChamber]->SetStats(kFALSE);
992     pDigitsH2[iChamber]->SetMaximum(300);
993   }
994   
995   if(iEvtNmax>gAlice->GetEventsPerRun()||iEvtNmax==0) iEvtNmax=gAlice->GetEventsPerRun()-1;
996
997   TLatex t;  t.SetTextSize(0.1);
998   for(Int_t iEventN=iEvtNmin;iEventN<=iEvtNmax;iEventN++) {//events loop
999     canvas->Divide(3,3);    
1000     canvas->cd(1);
1001     t.DrawText(0.2,0.4,Form("Event Number %i",iEventN));        
1002
1003     GetLoader()->GetRunLoader()->GetEvent(iEventN); //get event
1004     GetLoader()->TreeD()->GetEntry(0);              //get list of digits 
1005     for(Int_t iChamber=1;iChamber<=7;iChamber++) {//chambers loop
1006       pDigitsH2[iChamber]->Reset();    
1007       for(Int_t j=0;j<Digits(iChamber)->GetEntries();j++) {//digits loop
1008         AliRICHDigit *pDig = (AliRICHDigit*)Digits(iChamber)->At(j);
1009         TVector2 x2=AliRICHParam::Pad2Loc(pDig->Pad());
1010         pDigitsH2[iChamber]->Fill(x2.X(),x2.Y(),pDig->Q());
1011       }//digits loop
1012       if(iChamber==1) canvas->cd(7);
1013       if(iChamber==2) canvas->cd(8);
1014       if(iChamber==3) canvas->cd(4);
1015       if(iChamber==4) canvas->cd(5);
1016       if(iChamber==5) canvas->cd(6);
1017       if(iChamber==6) canvas->cd(2);
1018       if(iChamber==7) canvas->cd(3);
1019       pDigitsH2[iChamber]->Draw("col");
1020       ReadESD(iEventN,iChamber);
1021       AliRICHParam::DrawSectors();
1022     }//chambers loop
1023     canvas->Update();
1024     canvas->Modified();
1025
1026     if(iEventN<iEvtNmax) {gPad->WaitPrimitive();canvas->Clear();}
1027   }//events loop
1028 }//ShowEvent()
1029 //__________________________________________________________________________________________________
1030 void AliRICH::Display()const
1031 {
1032 //Provides fast event display
1033 //For RICH only, full display is .x Display.C    
1034   Bool_t isHits    =!GetLoader()->LoadHits();
1035   Bool_t isDigits  =!GetLoader()->LoadDigits();
1036   Bool_t isClusters=!GetLoader()->LoadRecPoints();
1037   
1038   if(!isHits && !isDigits && !isClusters){Error("Exec","No hits digits and clusters. Nothing to display.");return;}
1039   
1040   TCanvas *pCanvas = new TCanvas("Display","RICH Display",0,0,600,600);
1041   
1042   TH2F *pHitsH2=0,*pDigitsH2=0,*pClustersH2=0;
1043   
1044   if(isHits)     pHitsH2     = new TH2F("pHitsH2"  ,  "Event Display;x,cm;y,cm",165,0,AliRICHParam::PcSizeX(),
1045                                                                                 144,0,AliRICHParam::PcSizeY());
1046   if(pHitsH2)    pHitsH2->SetStats(kFALSE);
1047   
1048   if(isDigits)   pDigitsH2   = new TH2F("pDigitsH2"  ,"Event Display",165,0,AliRICHParam::PcSizeX(),
1049                                                                       144,0,AliRICHParam::PcSizeY());
1050   if(isClusters) pClustersH2 = new TH2F("pClustersH2","Event Display",165,0,AliRICHParam::PcSizeX(),
1051                                                                       144,0,AliRICHParam::PcSizeY());
1052   
1053   for(Int_t iEventN=0;iEventN<gAlice->GetEventsPerRun();iEventN++){//events Loop
1054     GetLoader()->GetRunLoader()->GetEvent(iEventN);  
1055 //display all the staff on chamber by chamber basis           
1056     for(Int_t iChamber=1;iChamber<=7;iChamber++){//chambers loop       
1057       if(isHits)     pHitsH2    ->Reset();     
1058       if(isDigits)   pDigitsH2  ->Reset();     
1059       if(isClusters) pClustersH2->Reset();
1060 //deals with hits
1061       for(Int_t i=0;i<GetLoader()->TreeH()->GetEntries();i++){//TreeH loop
1062         GetLoader()->TreeH()->GetEntry(i);
1063         for(Int_t j=0;j<Hits()->GetEntries();j++){//hits loop
1064           AliRICHHit *pHit = (AliRICHHit*)Hits()->At(j);
1065           if(pHit->C()==iChamber){
1066             TVector3 hitGlobX3= pHit->OutX3();
1067             TVector2 hitLocX2 = C(iChamber)->Mrs2Pc(hitGlobX3);
1068             pHitsH2->Fill(hitLocX2.X(),hitLocX2.Y(),200);
1069           }//if
1070         }//hits loop         
1071       }//TreeH loop
1072       pHitsH2->SetTitle(Form("event %i chamber %2i",iEventN,iChamber));
1073       pHitsH2->SetMarkerColor(kRed); pHitsH2->SetMarkerStyle(29); pHitsH2->SetMarkerSize(0.4);
1074       ReadESD(iEventN,iChamber);
1075       pHitsH2->Draw();
1076       ReadESD(iEventN,iChamber);
1077       AliRICHParam::DrawSectors();
1078       TLatex l; l.SetNDC(); l.SetTextSize(0.02);
1079       if(!isHits)     {l.SetTextColor(kRed)  ;l.DrawLatex(0.1,0.01,"No Hits"    );}
1080       if(!isDigits)   {l.SetTextColor(kGreen);l.DrawLatex(0.4,0.01,"No DIGITS"  );}
1081       if(!isClusters) {l.SetTextColor(kBlue) ;l.DrawLatex(0.8,0.01,"No CLUSTERS");}
1082       pCanvas->Update();        pCanvas->Modified();       gPad->WaitPrimitive();
1083 //deals with digits      
1084       if(isDigits){
1085         GetLoader()->TreeD()->GetEntry(0);
1086         for(Int_t j=0;j<Digits(iChamber)->GetEntries();j++){//digits loop
1087           AliRICHDigit *pDig = (AliRICHDigit*)Digits(iChamber)->At(j);
1088           TVector2 x2=AliRICHParam::Pad2Loc(pDig->Pad());
1089           pDigitsH2->Fill(x2.X(),x2.Y(),100);
1090         }//digits loop
1091         pDigitsH2->SetMarkerColor(kGreen); pDigitsH2->SetMarkerStyle(29); pDigitsH2->SetMarkerSize(0.4);
1092         pDigitsH2->Draw("same");
1093         pCanvas->Update();        pCanvas->Modified();       gPad->WaitPrimitive();
1094       }//if(isDigits)      
1095 //deals with clusters      
1096       if(isClusters){
1097         GetLoader()->TreeR()->GetEntry(0);
1098         for(Int_t j=0;j<Clusters(iChamber)->GetEntries();j++){//clusters loop
1099           AliRICHCluster *pClus = (AliRICHCluster*)Clusters(iChamber)->At(j);
1100           pClustersH2->Fill(pClus->X(),pClus->Y(),50);
1101         }//clusters loop
1102         pClustersH2->SetMarkerColor(kBlue); pClustersH2->SetMarkerStyle(29);  pClustersH2->SetMarkerSize(0.4);
1103         pClustersH2->Draw("same");
1104         pCanvas->Update();        pCanvas->Modified();       gPad->WaitPrimitive();
1105       }//if(isClusters)
1106     }//chambers loop
1107   }//events Loop
1108   
1109   delete pCanvas;
1110   GetLoader()->UnloadHits();
1111   if(isDigits)   GetLoader()->UnloadDigits();
1112   if(isClusters) GetLoader()->UnloadRecPoints();
1113 }//Display()
1114 //__________________________________________________________________________________________________
1115 Int_t AliRICH::Nparticles(Int_t iPartID,Int_t iEvtN,AliRunLoader *pRL)
1116 {
1117 //counts total number of particles of given type (including secondary) for a given event
1118   pRL->GetEvent(iEvtN);    
1119   if(pRL->LoadHeader()) return 0;
1120   if(pRL->LoadKinematics()) return 0;
1121   AliStack *pStack=pRL->Stack();
1122   
1123   Int_t iCounter=0;
1124   for(Int_t i=0;i<pStack->GetNtrack();i++){
1125     if(pStack->Particle(i)->GetPdgCode()==iPartID) iCounter++;
1126   }
1127   
1128   pRL->UnloadHeader();
1129   pRL->UnloadKinematics();
1130   return iCounter;
1131 }
1132 //__________________________________________________________________________________________________
1133 void AliRICH::ReadESD(Int_t iEventN, Int_t iChamber)const
1134 {
1135 //
1136   AliInfo("Start.");
1137   TFile *pFile=TFile::Open("AliESDs.root","read");
1138   if(!pFile || !pFile->IsOpen()) {AliInfo("ESD file not open.");return;}      //open AliESDs.root                                                                    
1139   TTree *pTree = (TTree*) pFile->Get("esdTree");
1140   if(!pTree){AliInfo("ESD not found.");return;}                               //get ESD tree
1141   
1142   AliInfo("ESD found. Try to draw ring");
1143                                                                  
1144   AliESD *pESD=new AliESD;  pTree->SetBranchAddress("ESD", &pESD);
1145   
1146   pTree->GetEvent(iEventN);
1147   
1148   Double_t b = pESD->GetMagneticField()/10.;
1149   
1150   Int_t iNtracks=pESD->GetNumberOfTracks();    
1151   
1152   for(Int_t iTrackN=0;iTrackN<iNtracks;iTrackN++){//ESD tracks loop
1153     AliESDtrack *pTrack = pESD->GetTrack(iTrackN);// get next reconstructed track
1154     Int_t charge = (Int_t)(-TMath::Sign(1.,pTrack->GetSign()*b));
1155     AliRICHHelix helix(pTrack->X3(),pTrack->P3(),charge,b);
1156     Int_t iChamberOnRICH=helix.RichIntersect(P());        
1157     if(iChamberOnRICH==iChamber) {
1158 //
1159       TMarker *trackImpact = new TMarker(helix.PosPc().X(),helix.PosPc().Y(),kStar);
1160       trackImpact->SetMarkerColor(kRed);
1161       trackImpact->Draw();
1162 //
1163       Int_t iChamberRecon = pTrack->GetRICHcluster()/100000;
1164       if(iChamberRecon==iChamber) {
1165         Double_t thetaCer = pTrack->GetRICHsignal();
1166         if(thetaCer<0) continue;
1167         TVector3 entrance(helix.PosRad().X(),helix.PosRad().Y(),0);
1168         Double_t thetaTrack,phiTrack;
1169         pTrack->GetRICHthetaPhi(thetaTrack,phiTrack);
1170         TVector3 vectorTrack;
1171         vectorTrack.SetMagThetaPhi(pTrack->GetP(),thetaTrack,phiTrack);
1172         AliInfo(Form("Draw ring started for track %i on chamber %i",iTrackN,iChamber));
1173         AliInfo(Form("ThetaCer %f TrackTheta %f TrackPhi %f Momentum %f",thetaCer,thetaTrack,phiTrack,pTrack->GetP()));
1174         Double_t dx,dy;
1175         pTrack->GetRICHdxdy(dx,dy);
1176         AliInfo(Form("dx %f dy %f ",dx,dy));
1177         DrawRing(entrance,vectorTrack,thetaCer);
1178       }
1179     }
1180   }
1181   delete pESD;  pFile->Close();//close AliESDs.root
1182   AliInfo("Stop.");
1183 }
1184 //__________________________________________________________________________________________________
1185 void AliRICH::DrawRing(TVector3 entrance,TVector3 vectorTrack,Double_t thetaCer)const
1186 {
1187   Double_t xGraph[100],yGraph[100];
1188   Int_t nPointsToDraw = 0;
1189   for(Int_t i=0;i<100;i++) {
1190     Double_t phiCer = 2*TMath::Pi()*i/100;
1191     TVector3 pos = AliRICHParam::ForwardTracing(entrance,vectorTrack,thetaCer,phiCer);
1192     if(pos.X()==-999) continue;
1193     xGraph[nPointsToDraw] = pos.X();yGraph[nPointsToDraw] = pos.Y();nPointsToDraw++;
1194   }
1195 //  AliInfo(Form("Npoints per ring %i",nPointsToDraw));
1196   TGraph *gra = new TGraph(nPointsToDraw,xGraph,yGraph);
1197   gra->Draw("C");  
1198 }
1199 //__________________________________________________________________________________________________
1200 void AliRICH::SummaryOfEvent(Int_t iEvtN) const
1201 {
1202 //prints a summary for a given event
1203   AliInfo(Form("Summary of event %i",iEvtN));
1204   GetLoader()->GetRunLoader()->GetEvent(iEvtN);    
1205   if(GetLoader()->GetRunLoader()->LoadHeader()) return;
1206   if(GetLoader()->GetRunLoader()->LoadKinematics()) return;
1207   AliStack *pStack=GetLoader()->GetRunLoader()->Stack();
1208   
1209   AliGenEventHeader* pGenHeader =  gAlice->GetHeader()->GenEventHeader();
1210   if(pGenHeader->InheritsFrom("AliGenHijingEventHeader")) {
1211     AliInfo(Form(" Hijing event with impact parameter b = %.2f (fm)",((AliGenHijingEventHeader*) pGenHeader)->ImpactParameter()));
1212   }
1213   Int_t nChargedPrimaries=0;
1214   for(Int_t i=0;i<pStack->GetNtrack();i++) {
1215     TParticle *pParticle = pStack->Particle(i);
1216     if(pParticle->IsPrimary()&&pParticle->GetPDG()->Charge()!=0) nChargedPrimaries++;
1217     }
1218   AliInfo(Form("Total number of         primaries %i",pStack->GetNprimary()));
1219   AliInfo(Form("Total number of charged primaries %i",nChargedPrimaries));
1220   AliInfo(Form("Total n. of tracks in stack(+sec) %i",pStack->GetNtrack()));
1221   GetLoader()->GetRunLoader()->UnloadHeader();
1222   GetLoader()->GetRunLoader()->UnloadKinematics();
1223 }
1224 //__________________________________________________________________________________________________
1225 void AliRICH::HitsQA(Double_t cut,Double_t cutele,Double_t cutR)
1226 {
1227 // Provides a set of control plots intended primarily for charged particle flux analisys
1228 // Arguments: cut (GeV)    - cut on momentum of any charged particles but electrons, 
1229 //            cetele (GeV) - the same for electrons-positrons
1230 //            cutR (cm)    - cut on production vertex radius (cylindrical system)        
1231   gBenchmark->Start("HitsAna");
1232   
1233   Double_t cutPantiproton    =cut;
1234   Double_t cutPkaonminus     =cut;
1235   Double_t cutPpionminus     =cut;
1236   Double_t cutPmuonminus     =cut;
1237   Double_t cutPpositron      =cutele;
1238                     
1239   Double_t cutPelectron      =cutele;
1240   Double_t cutPmuonplus      =cut;
1241   Double_t cutPpionplus      =cut;
1242   Double_t cutPkaonplus      =cut;
1243   Double_t cutPproton        =cut;
1244                        
1245
1246   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  
1247   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 
1248   TH1F *pEleAllP     =new TH1F("EleAllP"     ,     "e^{+} e^{-} all;p[GeV]"                         ,1000,-1  ,1                );  
1249   TH1F *pEleHitP     =new TH1F("EleHitP"     ,Form("e^{+} e^{-} hit %s;p[GeV]"      ,GetName())     ,1000,-1  ,1                );   
1250   TH1F *pMuoHitP     =new TH1F("MuoHitP"     ,Form("#mu^{-} #mu^{+} hit %s;p[GeV]"  ,GetName())     ,1000,-4  ,4                ); 
1251   TH1F *pPioHitP     =new TH1F("PioHitP"     ,Form("#pi^{-} #pi^{+} hit %s;p[GeV]"  ,GetName())     ,1000,-4  ,4                ); 
1252   TH1F *pKaoHitP     =new TH1F("KaoHitP"     ,Form("K^{-} K^{+} hit %s;p[GeV]"      ,GetName())     ,1000,-4  ,4                ); 
1253   TH1F *pProHitP     =new TH1F("ProHitP"     ,Form("p^{-} p^{+} hit %s;p[GeV]"      ,GetName())     ,1000,-4  ,4                ); 
1254   TH2F *pFlux        =new TH2F("flux"        ,Form("%s flux with Rvertex<%.1fcm"    ,GetName(),cutR),10  ,-5  ,5   , 10,0    ,10); //special text hist
1255   TH2F *pVertex      =new TH2F("vertex"      ,Form("%s 2D vertex of RICH hit;x;y"   ,GetName())     ,120 ,0   ,600 ,120,0    ,600); //special text hist
1256   TH1F *pRho         =new TH1F("rho"         ,Form("%s r of RICH hit"               ,GetName())     ,600 ,0   ,600); //special text hist
1257   pFlux->SetStats(0);
1258   pFlux->GetXaxis()->SetBinLabel(1 ,Form("p^{-}>%.3fGeV/c"   ,cutPantiproton));        
1259   pFlux->GetXaxis()->SetBinLabel(2 ,Form("K^{-}>%.3fGeV/c"   ,cutPkaonminus ));        
1260   pFlux->GetXaxis()->SetBinLabel(3 ,Form("#pi^{-}>%.3fGeV/c" ,cutPpionminus ));      
1261   pFlux->GetXaxis()->SetBinLabel(4 ,Form("#mu^{-}>%.3fGeV/c" ,cutPmuonminus ));      
1262   pFlux->GetXaxis()->SetBinLabel(5 ,Form("e^{+}>%.3fGeV/c"   ,cutPpositron  ));        
1263   
1264   pFlux->GetXaxis()->SetBinLabel(6 ,Form("e^{-}>%.3fGeV/c"   ,cutPelectron  ));        
1265   pFlux->GetXaxis()->SetBinLabel(7 ,Form("#mu^{+}>%.3fGeV/c" ,cutPmuonplus  ));      
1266   pFlux->GetXaxis()->SetBinLabel(8 ,Form("#pi^{+}>%.3fGeV/c" ,cutPpionplus  ));      
1267   pFlux->GetXaxis()->SetBinLabel(9 ,Form("K^{+}>%.3fGeV/c"   ,cutPkaonplus  ));        
1268   pFlux->GetXaxis()->SetBinLabel(10,Form("p^{+}>%.3fGeV/c"   ,cutPproton    ));        
1269   
1270   pFlux->GetYaxis()->SetBinLabel(1,"sum");  
1271   pFlux->GetYaxis()->SetBinLabel(2,"ch1");  
1272   pFlux->GetYaxis()->SetBinLabel(3,"ch2");  
1273   pFlux->GetYaxis()->SetBinLabel(4,"ch3");  
1274   pFlux->GetYaxis()->SetBinLabel(5,"ch4");  
1275   pFlux->GetYaxis()->SetBinLabel(6,"ch5");  
1276   pFlux->GetYaxis()->SetBinLabel(7,"ch6");  
1277   pFlux->GetYaxis()->SetBinLabel(8,"ch7");  
1278   pFlux->GetYaxis()->SetBinLabel(9,"prim"); 
1279   pFlux->GetYaxis()->SetBinLabel(10,"tot");  
1280   
1281 //end of hists definition
1282    
1283   Int_t iNevents=fLoader->GetRunLoader()->GetAliRun()->GetEventsPerRun(),iCntPrimParts=0,iCntTotParts=0;
1284 //load all needed trees   
1285   fLoader->LoadHits(); 
1286   fLoader->GetRunLoader()->LoadHeader(); 
1287   fLoader->GetRunLoader()->LoadKinematics();  
1288   
1289   for(Int_t iEvtN=0;iEvtN < iNevents;iEvtN++){//events loop
1290     fLoader->GetRunLoader()->GetEvent(iEvtN);
1291     AliInfo(Form(" %i event processes",fLoader->GetRunLoader()->GetEventNumber()));
1292     AliStack *pStack= fLoader->GetRunLoader()->Stack(); 
1293     
1294     for(Int_t iParticleN=0;iParticleN<pStack->GetNtrack();iParticleN++){//stack loop
1295       TParticle *pPart=pStack->Particle(iParticleN);
1296
1297       if(iParticleN%10000==0) AliInfo(Form(" %i particles read",iParticleN));
1298     
1299       switch(pPart->GetPdgCode()){
1300         case kProtonBar: pFlux->Fill(-4.5,9); if(pPart->Rho()<0.01) pFlux->Fill(-4.5,8); break;
1301         case kKMinus:    pFlux->Fill(-3.5,9); if(pPart->Rho()<0.01) pFlux->Fill(-3.5,8); break;
1302         case kPiMinus:   pFlux->Fill(-2.5,9); if(pPart->Rho()<0.01) pFlux->Fill(-2.5,8); break;
1303         case kMuonMinus: pFlux->Fill(-1.5,9); if(pPart->Rho()<0.01) pFlux->Fill(-1.5,8); break;
1304         case kPositron:  pFlux->Fill(-0.5,9); if(pPart->Rho()<0.01) pFlux->Fill(-0.5,8); pEleAllP->Fill(-pPart->P()); break;
1305       
1306         case kElectron:  pFlux->Fill( 0.5,9); if(pPart->Rho()<0.01) pFlux->Fill( 0.5,8); pEleAllP->Fill( pPart->P()); break;      
1307         case kMuonPlus:  pFlux->Fill( 1.5,9); if(pPart->Rho()<0.01) pFlux->Fill( 1.5,8); break;      
1308         case kPiPlus:    pFlux->Fill( 2.5,9); if(pPart->Rho()<0.01) pFlux->Fill( 2.5,8); break;      
1309         case kKPlus:     pFlux->Fill( 3.5,9); if(pPart->Rho()<0.01) pFlux->Fill( 3.5,8); break;      
1310         case kProton:    pFlux->Fill( 4.5,9); if(pPart->Rho()<0.01) pFlux->Fill( 4.5,8); break;            
1311       }//switch
1312     }//stack loop
1313 //now hits analiser        
1314     for(Int_t iEntryN=0;iEntryN < fLoader->TreeH()->GetEntries();iEntryN++){//TreeH loop
1315       fLoader->TreeH()->GetEntry(iEntryN);                                  //get current entry (prim)                
1316       for(Int_t iHitN=0;iHitN < Hits()->GetEntries();iHitN++){//hits loop
1317         AliRICHHit *pHit = (AliRICHHit*)Hits()->At(iHitN);            //get current hit
1318         TParticle  *pPart=pStack->Particle(pHit->GetTrack());      //get stack particle which produced the current hit
1319         
1320         if(pPart->GetPDG()->Charge()!=0&&pPart->Rho()>0.1) pVertex->Fill(pPart->Vx(),pPart->Vy()); //safe margin for sec.
1321         if(pPart->GetPDG()->Charge()!=0) pRho->Fill(pPart->Rho()); //safe margin for sec.
1322         if(pPart->R()>cutR) continue;                                   //cut on production radius (cylindrical system) 
1323       
1324         switch(pPart->GetPdgCode()){
1325           case kProtonBar: if(pPart->P()>cutPantiproton) {pProHitP->Fill(-pPart->P()); pFlux->Fill(-4.5,pHit->C());}break;
1326           case kKMinus   : if(pPart->P()>cutPkaonminus)  {pKaoHitP->Fill(-pPart->P()); pFlux->Fill(-3.5,pHit->C());}break;
1327           case kPiMinus  : if(pPart->P()>cutPpionminus)  {pPioHitP->Fill(-pPart->P()); pFlux->Fill(-2.5,pHit->C());}break;
1328           case kMuonMinus: if(pPart->P()>cutPmuonminus)  {pMuoHitP->Fill(-pPart->P()); pFlux->Fill(-1.5,pHit->C());}break;        
1329           case kPositron : if(pPart->P()>cutPpositron)   {pEleHitP->Fill(-pPart->P()); pFlux->Fill(-0.5,pHit->C()); 
1330                pEleHitRP->Fill(-pPart->P(),pPart->R());  pEleHitRZ->Fill(pPart->Vz(),pPart->R()); }break;
1331           
1332           case kElectron : if(pPart->P()>cutPelectron)   {pEleHitP->Fill( pPart->P()); pFlux->Fill( 0.5,pHit->C()); 
1333                pEleHitRP->Fill( pPart->P(),pPart->R());  pEleHitRZ->Fill(pPart->Vz(),pPart->R()); }break;
1334           case kMuonPlus : if(pPart->P()>cutPmuonplus)   {pMuoHitP->Fill( pPart->P()); pFlux->Fill( 1.5,pHit->C());}break;                     
1335           case kPiPlus   : if(pPart->P()>cutPpionplus)   {pPioHitP->Fill( pPart->P()); pFlux->Fill( 2.5,pHit->C());}break;           
1336           case kKPlus    : if(pPart->P()>cutPkaonplus)   {pKaoHitP->Fill( pPart->P()); pFlux->Fill( 3.5,pHit->C());}break;           
1337           case kProton   : if(pPart->P()>cutPproton)     {pProHitP->Fill( pPart->P()); pFlux->Fill( 4.5,pHit->C());}break;
1338         }
1339       }//hits loop      
1340     }//TreeH loop
1341     iCntPrimParts +=pStack->GetNprimary();
1342     iCntTotParts  +=pStack->GetNtrack();
1343   }//events loop                        
1344 //unload all loaded staff  
1345   fLoader->UnloadHits();  
1346   fLoader->GetRunLoader()->UnloadHeader(); 
1347   fLoader->GetRunLoader()->UnloadKinematics();  
1348 //Calculater some sums
1349   Stat_t sum=0;
1350 //sum row, sum over rows  
1351   for(Int_t i=1;i<=pFlux->GetNbinsX();i++){
1352     sum=0; for(Int_t j=2;j<=8;j++)    sum+=pFlux->GetBinContent(i,j);    
1353     pFlux->SetBinContent(i,1,sum);
1354   }
1355     
1356 //display everything  
1357   new TCanvas("canvas1",Form("Events %i Nprims=%i Nparticles=%i",iNevents,iCntPrimParts,iCntTotParts),1000,900); pFlux->Draw("text");  gPad->SetGrid();  
1358 //total prims and particles
1359   TLatex latex; latex.SetTextSize(0.02);
1360   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));
1361   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));
1362   for(Int_t iChN=1;iChN<=kNchambers;iChN++) {
1363     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));
1364   }  
1365   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));
1366   
1367   new TCanvas("cEleAllP"   ,"e" ,200,100); pEleAllP->Draw();
1368   new TCanvas("cEleHitRP"  ,"e" ,200,100); pEleHitRP->Draw();
1369   new TCanvas("cEleHitRZ"  ,"e" ,200,100); pEleHitRZ->Draw();
1370   new TCanvas("cEleHitP"   ,"e" ,200,100); pEleHitP->Draw();
1371   new TCanvas("cMuoHitP"   ,"mu",200,100); pMuoHitP->Draw();
1372   new TCanvas("cPioHitP"   ,"pi",200,100); pPioHitP->Draw();
1373   new TCanvas("cKaoHitP"   ,"K" ,200,100); pKaoHitP->Draw();
1374   new TCanvas("cProHitP"   ,"p" ,200,100); pProHitP->Draw();
1375   new TCanvas("cVertex"    ,"2d vertex" ,200,100); pVertex->Draw();
1376   new TCanvas("cRho"    ,"Rho of sec" ,200,100); pRho->Draw();
1377   
1378   gBenchmark->Show("HitsPlots");
1379 }//HitsPlots()