a73a87ab34b79d2b9f0a3b9e47b89994590e2402
[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 <TLatex.h>   //Display()
46 #include <TCanvas.h>  //Display()
47 #include <TGraph.h>   //Display()
48 #include <TStyle.h>   //Display()
49 #include <TMarker.h>  //Display()
50  
51 ClassImp(AliRICH)    
52 //__________________________________________________________________________________________________
53 // RICH manager class   
54 //BEGIN_HTML
55 /*
56   <img src="gif/alirich.gif">
57 */
58 //END_HTML
59 //__________________________________________________________________________________________________
60 AliRICH::AliRICH():AliDetector(),fParam(0),  fSdigits(0),fNsdigits(0),fDigs(0),fClus(0) 
61 {
62 //Default ctor should not contain any new operators
63 //AliDetector ctor deals with Hits and Digits  
64   for(int i=0;i<kNchambers;i++) fNdigs[i]  =0;
65   for(int i=0;i<kNchambers;i++) fNclus[i]=0;
66 //  fCounters.ResizeTo(20); fCounters.Zero();
67 }//AliRICH::AliRICH()
68 //__________________________________________________________________________________________________
69 AliRICH::AliRICH(const char *name, const char *title)
70         :AliDetector(name,title),fParam(new AliRICHParam),fSdigits(0),fNsdigits(0),fDigs(0),fClus(0)
71 {
72 //Named ctor
73   AliDebug(1,"Start.");
74 //AliDetector ctor deals with Hits and Digits (reset them to 0, does not create them)
75   HitsCreate();          gAlice->GetMCApp()->AddHitList(fHits);
76   fCounters.ResizeTo(20); fCounters.Zero();
77   AliDebug(1,"Stop.");
78 }//AliRICH::AliRICH(const char *name, const char *title)
79 //__________________________________________________________________________________________________
80 AliRICH::~AliRICH()
81 {
82 //dtor
83   AliDebug(1,"Start.");
84
85   if(fParam)     delete fParam;
86   
87   if(fHits)      delete fHits;
88   if(fSdigits)   delete fSdigits;
89   if(fDigits)    delete fDigits;
90   if(fDigs)      {fDigs->Delete();   delete fDigs;}
91   if(fClus)      {fClus->Delete();   delete fClus;}
92   AliDebug(1,"Stop.");    
93 }//AliRICH::~AliRICH()
94 //__________________________________________________________________________________________________
95 void AliRICH::BuildGeometry() 
96 {
97 //Builds a TNode geometry for event display
98   AliInfo("Start.");
99   
100   TNode *node, *subnode, *top;
101   top=gAlice->GetGeometry()->GetNode("alice");
102
103   Float_t widx =P()->SectorSizeX();
104   Float_t leny =P()->SectorSizeY();
105   Float_t dz   =P()->Zfreon()+P()->Zwin()+P()->Pc2Win();
106   Float_t dead =P()->DeadZone();
107
108   new TBRIK("RICH","RICH","void",widx+dead/2,leny+leny/2+dead,dz+0.1); //RICH chamber
109   new TBRIK("RPC" ,"RPC" ,"void",widx/2,leny/2,0.01);                  //RICH sector 
110
111   for(int i=1;i<=P()->Nchambers();i++){
112     top->cd();
113     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());
114     node->SetLineColor(kRed);
115     node->cd();
116     subnode = new TNode("PHOTO1","PHOTO1","RPC",-widx/2-dead/2,-leny-dead/2,dz,"");
117     subnode->SetLineColor(kGreen);
118     fNodes->Add(subnode);
119     subnode = new TNode("PHOTO1","PHOTO1","RPC", widx/2+dead/2,-leny-dead/2,dz,"");
120     subnode->SetLineColor(kGreen);
121     fNodes->Add(subnode);
122     subnode = new TNode("PHOTO1","PHOTO1","RPC",-widx/2-dead/2,           0,dz,"");
123     subnode->SetLineColor(kGreen);
124     fNodes->Add(subnode);
125     subnode = new TNode("PHOTO1","PHOTO1","RPC", widx/2+dead/2,           0,dz,"");
126     subnode->SetLineColor(kGreen);
127     fNodes->Add(subnode);
128     subnode = new TNode("PHOTO1","PHOTO1","RPC",-widx/2-dead/2, leny+dead/2,dz,"");
129     subnode->SetLineColor(kGreen);
130     fNodes->Add(subnode);
131     subnode = new TNode("PHOTO1","PHOTO1","RPC", widx/2+dead/2, leny+dead/2,dz,"");
132     subnode->SetLineColor(kGreen);
133     fNodes->Add(subnode);
134     fNodes->Add(node);
135   }
136
137   AliDebug(1,"Stop.");    
138 }//void AliRICH::BuildGeometry()
139 //__________________________________________________________________________________________________
140 void AliRICH::CreateMaterials()
141 {
142 // Definition of available RICH materials  
143         
144   Int_t   material=0; //tmp material id number
145   Float_t a=0,z=0,den=0,radl=0,absl=0; //tmp material parameters
146   
147   Float_t tmaxfd=-10.0, deemax=-0.2, stemax=-0.1,epsil=0.001, stmin=-0.001; 
148   Int_t   isxfld = gAlice->Field()->Integ();
149   Float_t sxmgmx = gAlice->Field()->Max();
150     
151   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
152   AliMixture(++material, "RichAir",aAir,zAir,den=0.00120479,4,wAir);                                          //1 (Air) 0.01% C 75% N  23% O 1% Ar
153   AliMedium(kAir, "RichAir",material, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
154   
155   AliMixture(++material, "RichAerogel",aAir,zAir,den=P()->DenGel(),4,wAir);                     //Aerogel represented by Air
156   AliMedium(kGel, "RichAerogel",material, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
157   
158   AliMixture(++material, "RichAerogelReflector",aAir,zAir,den=P()->DenGel(),4,wAir);           //Aerogel reflector represented by Air
159   AliMedium(kReflector, "RichAerogelReflector",material, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
160   
161   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
162   AliMedium(kRoha, "RichRohacell", material, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
163   
164   Float_t  aQuartz[2]={28.09,16.0};  Float_t  zQuartz[2]={14.00, 8.0};  Float_t  wQuartz[2]={1,2};
165   AliMixture(++material, "RichSiO2",aQuartz,zQuartz,den=2.64,-2, wQuartz);                                    //3 Quarz (SiO2) -trasparent rad window
166   AliMedium(kSiO2, "RichSiO2",material, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
167   
168   Float_t  aFreon[2]={12,19};  Float_t  zFreon[2]={6,9};  Float_t wmatFreon[2]={6,14};                        // C12-6 F19-9   
169   AliMixture(++material, "RichC6F14",aFreon,zFreon,den=1.68,-2,wmatFreon);                                    //4 Freon (C6F14) 
170   AliMedium(kC6F14, "RichC6F14",material, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
171   
172   Float_t aMethane[2]={12.01,1}; Float_t zMethane[2]={6,1}; Float_t wMethane[2]={1,4};
173   AliMixture (++material, "RichCH4", aMethane, zMethane, den=7.17e-4,-2, wMethane);                        //5,9 methane (CH4) normal and for Gap    
174   AliMedium(kCH4, "RichCH4"   , material, 1, isxfld, sxmgmx, tmaxfd, stemax,  deemax, epsil,  stmin);  
175   AliMixture (++material, "RichCH4gap", aMethane, zMethane, den=7.17e-4,-2, wMethane);                      //5,9 methane (CH4) normal and for Gap    
176   AliMedium(kGap, "RichCH4gap", material, 1, isxfld, sxmgmx, tmaxfd, 0.1   , -deemax, epsil, -stmin);
177     
178   AliMaterial(++material, "RichCsI",      a=12.01,z=6.0, den=0.1,     radl=18.8,   absl=0);                   //6 CsI-radl equivalent
179   AliMedium(kCsI, "RichCsI", material, 1, isxfld, sxmgmx,tmaxfd, stemax, deemax, epsil, stmin);
180   
181   AliMaterial(++material, "RichGridCu",    a=63.54,z=29.0,den=8.96,    radl=1.43,   absl=0);                   //7 anode grid (Cu) 
182   AliMedium(kGridCu, "RichGridCu", material, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
183     
184   AliMaterial(++material, "RichPcbCu",     a=63.54,z=29.0,den=8.96,    radl=1.4,    absl=0);                   //12 Cu
185   AliMedium(kCu, "RichPcbCu", material, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
186   
187   AliMixture (++material, "RichOpSiO2",aQuartz, zQuartz, den=2.64, -2, wQuartz);                             //8 Quarz (SiO2) - opaque
188   AliMedium(kOpSiO2, "RichOpSiO2",material, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
189   
190   AliMaterial(++material, "RichAl",     a=26.98,z=13.0,den=2.699,     radl=8.9,    absl=0);                 //10 aluminium sheet (Al)
191   AliMedium(kAl, "RichAl", material, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
192   
193   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};
194   AliMixture(++material,"RichGlass",aGlass, zGlass, den=1.74, 5, wGlass);                                    //11 Glass 50%-C 10.5%-Si 35.5%-O 3%-B 1%-Na
195   AliMedium(kGlass, "RichGlass", material, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
196
197   den=19.3;
198   AliMaterial(++material, "RichW",  a=183.84,z=74.0,den,    radl=0.35,    absl=185.0/den);              //13 W - anod wires
199   AliMedium(kW, "RichW", material, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
200   
201   
202   if(P()->IsRadioSrc()){
203     AliInfo("Special radioactive source materials");
204     den=7.87;
205     AliMaterial(++material, "RichSteel",  a=55.845,z=26.0,den,    radl=1.76,    absl=131.9/den);        //14 Steel (Fe)
206     AliMedium(kSteel, "RichSteel", material, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
207   
208     AliMaterial(++material, "RichPerpex",  a=63.54,z=29.0,den=8.96,    radl=1.4,    absl=0);                 //15 Perpex
209     AliMedium(kPerpex, "RichPerpex", material, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
210     
211     AliMaterial(++material, "RichSr90",  a=87.62,z=38.0,den=2.54,    radl=4.24,    absl=0);                  //16 Sr90
212     AliMedium(kSr90, "RichSr90", material, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
213     
214     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
215     AliMixture(++material,"RichMylar",aMylar, zMylar, den=1.39, -3, wMylar); 
216     AliMedium(kMylar, "RichMylar", material, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
217   }
218   
219 //Optical properties:
220 #include "Opticals.h"
221   gMC->SetCerenkov((*fIdtmed)[kAir]      , kNbins, aPckov, aAbsCH4    , aQeAll, aIdxCH4);       //1 Air
222   gMC->SetCerenkov((*fIdtmed)[kRoha]     , kNbins, aPckov, aAbsCH4    , aQeAll, aIdxCH4);       //2 Honeycomb  
223   gMC->SetCerenkov((*fIdtmed)[kSiO2]     , kNbins, aPckov, aAbsSiO2   , aQeAll, aIdxSiO2);      //3 Quartz SiO2 
224   gMC->SetCerenkov((*fIdtmed)[kC6F14]    , kNbins, aPckov, aAbsC6F14  , aQeAll, aIdxC6F14);     //4 Freon C6F14
225   gMC->SetCerenkov((*fIdtmed)[kCH4]      , kNbins, aPckov, aAbsCH4    , aQeAll, aIdxCH4);       //5 Methane CH4 
226   gMC->SetCerenkov((*fIdtmed)[kCsI]      , kNbins, aPckov, aAbsCsI    , aQeCsI, aIdxCH4);       //6 CsI
227   gMC->SetCerenkov((*fIdtmed)[kGridCu]   , kNbins, aPckov, aAbsGrid   , aQeAll, aIdxMetal);     //7 grid Cu
228   gMC->SetCerenkov((*fIdtmed)[kOpSiO2]   , kNbins, aPckov, aAbsOpSiO2 , aQeAll, aIdxMetal);     //8 Opaque quartz SiO2
229   gMC->SetCerenkov((*fIdtmed)[kGap]      , kNbins, aPckov, aAbsCH4    , aQeAll, aIdxCH4);       //9 Special methane gap
230   gMC->SetCerenkov((*fIdtmed)[kAl]       , kNbins, aPckov, aAbsGrid   , aQeAll, aIdxMetal);     //10 Aluminium
231   gMC->SetCerenkov((*fIdtmed)[kGlass]    , kNbins, aPckov, aAbsOpSiO2 , aQeAll, aIdxMetal);     //11 Glass    
232   gMC->SetCerenkov((*fIdtmed)[kGel]      , kNbins, aPckov, aAbsGel    , aQeAll, aIdxGel);       //12 Aerogel
233   gMC->SetCerenkov((*fIdtmed)[kReflector], kNbins, aPckov, aAbsRef    , aQeAll, aIdxMetal);     //13 Aerogel reflector
234 }//void AliRICH::CreateMaterials()
235 //__________________________________________________________________________________________________
236 Float_t AliRICH::Fresnel(Float_t ene,Float_t pdoti, Bool_t pola)
237 {
238
239     //ENE(EV), PDOTI=COS(INC.ANG.), PDOTR=COS(POL.PLANE ROT.ANG.)
240     
241     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,
242                       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,
243                       7.8,7.9,8.0,8.1,8.2,8.3,8.4,8.5};
244     Float_t csin[36] = {2.14,2.21,2.33,2.48,2.76,2.97,2.99,2.59,2.81,3.05,
245                         2.86,2.53,2.55,2.66,2.79,2.96,3.18,3.05,2.84,2.81,2.38,2.11,
246                         2.01,2.13,2.39,2.73,3.08,3.15,2.95,2.73,2.56,2.41,2.12,1.95,
247                         1.72,1.53};
248     Float_t csik[36] = {0.,0.,0.,0.,0.,0.196,0.408,0.208,0.118,0.49,0.784,0.543,
249                         0.424,0.404,0.371,0.514,0.922,1.102,1.139,1.376,1.461,1.253,0.878,
250                         0.69,0.612,0.649,0.824,1.347,1.571,1.678,1.763,1.857,1.824,1.824,
251                         1.714,1.498};
252     Float_t xe=ene;
253     Int_t  j=Int_t(xe*10)-49;
254     Float_t cn=csin[j]+((csin[j+1]-csin[j])/0.1)*(xe-en[j]);
255     Float_t ck=csik[j]+((csik[j+1]-csik[j])/0.1)*(xe-en[j]);
256
257     //FORMULAE FROM HANDBOOK OF OPTICS, 33.23 OR
258     //W.R. HUNTER, J.O.S.A. 54 (1964),15 , J.O.S.A. 55(1965),1197
259
260     Float_t sinin=TMath::Sqrt(1-pdoti*pdoti);
261     Float_t tanin=sinin/pdoti;
262
263     Float_t c1=cn*cn-ck*ck-sinin*sinin;
264     Float_t c2=4*cn*cn*ck*ck;
265     Float_t aO=TMath::Sqrt(0.5*(TMath::Sqrt(c1*c1+c2)+c1));
266     Float_t b2=0.5*(TMath::Sqrt(c1*c1+c2)-c1);
267     
268     Float_t rs=((aO-pdoti)*(aO-pdoti)+b2)/((aO+pdoti)*(aO+pdoti)+b2);
269     Float_t rp=rs*((aO-sinin*tanin)*(aO-sinin*tanin)+b2)/((aO+sinin*tanin)*(aO+sinin*tanin)+b2);
270     
271
272     //CORRECTION FACTOR FOR SURFACE ROUGHNESS
273     //B.J. STAGG  APPLIED OPTICS, 30(1991),4113
274
275     Float_t sigraf=18.;
276     Float_t lamb=1240/ene;
277     Float_t fresn;
278  
279     Float_t  rO=TMath::Exp(-(4*TMath::Pi()*pdoti*sigraf/lamb)*(4*TMath::Pi()*pdoti*sigraf/lamb));
280
281     if(pola)
282     {
283         Float_t pdotr=0.8;                                 //DEGREE OF POLARIZATION : 1->P , -1->S
284         fresn=0.5*(rp*(1+pdotr)+rs*(1-pdotr));
285     }
286     else
287         fresn=0.5*(rp+rs);
288       
289     fresn = fresn*rO;
290     return(fresn);
291 }//Fresnel()
292 //__________________________________________________________________________________________________
293 void AliRICH::MakeBranch(Option_t* option)
294 {
295 //Create Tree branches for the RICH.
296   AliDebug(1,Form("Start with option= %s.",option));
297     
298   const Int_t kBufferSize = 4000;
299       
300   const char *cH = strstr(option,"H");
301   const char *cD = strstr(option,"D");
302   const char *cR = strstr(option,"R");
303   const char *cS = strstr(option,"S");
304
305   if(cH&&TreeH()){//H
306     HitsCreate();      //branch will be created in AliDetector::MakeBranch
307   }//H     
308   AliDetector::MakeBranch(option);//this is after cH because we need to guarantee that fHits array is created
309       
310   if(cS&&fLoader->TreeS()){//S  
311     SDigitsCreate();   MakeBranchInTree(fLoader->TreeS(),"RICH",&fSdigits,kBufferSize,0) ;
312   }//S
313    
314   if(cD&&fLoader->TreeD()){//D
315     DigitsCreate();
316     for(Int_t i=0;i<kNchambers;i++){ 
317       MakeBranchInTree(fLoader->TreeD(),Form("%s%d",GetName(),i+1),&((*fDigs)[i]),kBufferSize,0);
318     }
319   }//D
320   
321   if(cR&&fLoader->TreeR()){//R
322     ClustersCreate();
323     for(Int_t i=0;i<kNchambers;i++)
324       MakeBranchInTree(fLoader->TreeR(),Form("%sClusters%d",GetName(),i+1), &((*fClus)[i]), kBufferSize, 0);    
325   }//R
326   AliDebug(1,"Stop.");   
327 }//void AliRICH::MakeBranch(Option_t* option)
328 //__________________________________________________________________________________________________
329 void AliRICH::SetTreeAddress()
330 {
331 //Set branch address for the Hits and Digits Tree.
332   AliDebug(1,"Start.");
333       
334   TBranch *branch;
335     
336   if(fLoader->TreeH()){//H
337     AliDebug(1,"tree H is requested.");
338     HitsCreate();//branch map will be in AliDetector::SetTreeAddress    
339   }//H
340   AliDetector::SetTreeAddress();//this is after TreeH because we need to guarantee that fHits array is created
341
342   if(fLoader->TreeS()){//S
343     AliDebug(1,"tree S is requested.");
344     branch=fLoader->TreeS()->GetBranch(GetName());        if(branch){SDigitsCreate();   branch->SetAddress(&fSdigits);}
345   }//S
346     
347   if(fLoader->TreeD()){//D    
348     AliDebug(1,"tree D is requested.");
349     for(int i=0;i<kNchambers;i++){      
350       branch=fLoader->TreeD()->GetBranch(Form("%s%d",GetName(),i+1)); 
351       if(branch){DigitsCreate(); branch->SetAddress(&((*fDigs)[i]));}
352     }
353   }//D
354     
355   if(fLoader->TreeR()){//R
356     AliDebug(1,"tree R is requested.");
357     for(int i=0;i<kNchambers;i++){         
358       branch=fLoader->TreeR()->GetBranch(Form("%sClusters%d" ,GetName(),i+1));
359       if(branch){ClustersCreate(); branch->SetAddress(&((*fClus)[i]));}
360     }
361   }//R
362   AliDebug(1,"Stop.");
363 }//void AliRICH::SetTreeAddress()
364 //__________________________________________________________________________________________________
365 void AliRICH::Print(Option_t *option)const
366 {
367 //Debug printout
368   TObject::Print(option);
369   P()->Print();
370   fCounters.Print();
371 }//void AliRICH::Print(Option_t *option)const
372 //__________________________________________________________________________________________________
373 void AliRICH::ControlPlots()
374
375 //Creates a set of QA hists to control the results of simulation. Hists are in file $HOME/RCP.root     
376   TH1F             *pElecP=0 ,*pMuonP=0 ,*pPionP=0 ,*pKaonP=0 ,*pProtP=0,  //stack particles
377                    *pHxD=0,*pHyD=0,*pHxSd=0,*pHySd=0,      //diff hit position - digit sdigit position 
378                    *pNumClusH1=0,
379                    *pQdcH1=0,       *pSizeH1=0,
380                    *pPureMipQdcH1=0,*pPureMipSizeH1=0,
381                    *pPureCerQdcH1=0,*pPureCerSizeH1=0,
382                    *pPureFeeQdcH1=0,*pPureFeeSizeH1=0,
383                    *pMipQdcH1=0,    *pPhotQdcH1=0;  
384   TH2F *pMapH2=0,*pPureMipMapH2=0,*pPureCerMapH2=0,*pPureFeeMapH2=0;
385   TH1F *pelecRadius=0,*pprotRadius=0,*pprotbarRadius=0;
386 //load all information  
387                  GetLoader()->GetRunLoader()->LoadHeader();  
388                  GetLoader()->GetRunLoader()->LoadKinematics();  
389                  GetLoader()->LoadHits();  
390   Bool_t isSdig=0;//!GetLoader()->LoadSDigits();
391   Bool_t isDig =0;//!GetLoader()->LoadDigits();
392   Bool_t isClus=!GetLoader()->LoadRecPoints();
393
394   gBenchmark->Start("ControlPlots");
395     
396   TFile *pFile = new TFile("$(HOME)/RCP.root","RECREATE");   
397   
398   pElecP=new TH1F("Pelec","Electrons made hit in RICH;p [GeV]",1000,-30,30); 
399   pMuonP=new TH1F("Pmuon","Muons made hit in RICH;p [GeV]",1000,-30,30); 
400   pPionP=new TH1F("Ppion","Pions made hit in RICH;p [GeV]",1000,-30,30); 
401   pKaonP=new TH1F("Pkaon","Kaon made hit in RICH;p [GeV]",1000,-30,30); 
402   pProtP=new TH1F("Pprot","Protons made hit in RICH;p [GeV]",1000,-30,30); 
403   pelecRadius=new TH1F("elecRadius","elec",600,0.,600.);  
404   pprotRadius=new TH1F("protRadius","elec",600,0.,600.);  
405   pprotbarRadius=new TH1F("protbarRadius","elec",600,0.,600.);
406     
407   if(isSdig){
408     AliInfo("SDigits available");
409     pHxSd=new TH1F("DiffHitSDigitX","Hit-SDigit diff X all chambers;diff [cm]",300,-10,10); 
410     pHySd=new TH1F("DiffHitSDigitY","Hit-SDigit diff Y all chambers;diff [cm]",300,-10,10); 
411   }//isSdig
412   
413   if(isDig){
414     AliInfo("Digits available");
415     pHxD=new TH1F("DiffHitDigitX","Hit-Digit diff X all chambers;diff [cm]",300,-10,10); 
416     pHyD=new TH1F("DiffHitDigitY","Hit-Digit diff Y all chambers;diff [cm]",300,-10,10); 
417   }//isDig
418   
419   if(isClus){ 
420     AliInfo("Clusters available");
421     pNumClusH1=new TH1F("NumClusPerEvent","Number of clusters per event;number",50,0,49);
422     
423     pQdcH1        =new TH1F("ClusQdc",   "Cluster Charge all chambers;q [QDC]",P()->MaxQdc(),0,P()->MaxQdc());
424     pSizeH1       =new TH1F("ClusSize",  "Cluster size all chambers;size [number of pads in cluster]",100,0,100);
425     pMapH2        =new TH2F("ClusMap",   "Cluster map;x [cm];y [cm]",1000,0,P()->PcSizeX(),1000,0,P()->PcSizeY());
426   
427     pMipQdcH1     =new TH1F("QdcMip"      ,"MIP Cluster Charge all chambers;q [QDC]",P()->MaxQdc(),0,P()->MaxQdc());
428     pPhotQdcH1    =new TH1F("QdcPhot"     ,"Cer+Fee Cluster Charge all chambers;q [QDC]",P()->MaxQdc(),0,P()->MaxQdc());
429         
430     pPureMipQdcH1 =new TH1F("QdcPureMip"  ,"MIP only Cluster Charge all chambers;q [QDC]",P()->MaxQdc(),0,P()->MaxQdc());
431     pPureMipSizeH1=new TH1F("SizePureMip" ,"MIP only Cluster size all chambers;size [number of pads in cluster]",100,0,100);
432     pPureMipMapH2 =new TH2F("MapPureMip"  ,"MIP only Cluster map;x [cm];y [cm]",1000,0,P()->PcSizeX(),1000,0,P()->PcSizeY());
433   
434     pPureCerQdcH1 =new TH1F("QdcPureCer"  ,"Cerenkov only Cluster Charge all chambers;q [QDC]",P()->MaxQdc(),0,P()->MaxQdc());
435     pPureCerSizeH1=new TH1F("SizePureCer" ,"Cernekov only Cluster size all chambers;size [number of pads in cluster]",100,0,100);
436     pPureCerMapH2 =new TH2F("MapPureCer"  ,"Cerenkov only Cluster map;x [cm];y [cm]",1000,0,P()->PcSizeX(),1000,0,P()->PcSizeY());
437     
438     pPureFeeQdcH1 =new TH1F("QdcPureFee"  ,"Feedback only Cluster Charge all chambers;q [QDC]",P()->MaxQdc(),0,P()->MaxQdc());
439     pPureFeeSizeH1=new TH1F("SizePureFee" ,"Feedback only Cluster size all chambers;size [number of pads in cluster]",100,0,100);
440     pPureFeeMapH2 =new TH2F("MapPureFee"  ,"Feedback only Cluster map;x [cm];y [cm]",1000,0,P()->PcSizeX(),1000,0,P()->PcSizeY());
441
442   }//isClus
443 //end of hists booking  
444   for(Int_t iEvtN=0;iEvtN < GetLoader()->GetRunLoader()->GetAliRun()->GetEventsPerRun();iEvtN++){//events loop
445     GetLoader()->GetRunLoader()->GetEvent(iEvtN);    //get current event
446     
447     for(Int_t iPrimN=0;iPrimN < GetLoader()->TreeH()->GetEntries();iPrimN++){//hit tree loop
448       GetLoader()->TreeH()->GetEntry(iPrimN);      
449       for(Int_t j=0;j<Hits()->GetEntries();j++){//hits loop
450         AliRICHHit *pHit = (AliRICHHit*)Hits()->At(j);
451         TParticle *pParticle = GetLoader()->GetRunLoader()->Stack()->Particle(pHit->GetTrack());//get particle produced this hit
452         Double_t dRadius = TMath::Sqrt(pParticle->Vx()*pParticle->Vx()+pParticle->Vy()*pParticle->Vy()+pParticle->Vz()*pParticle->Vz());
453         switch(pParticle->GetPdgCode()){
454           case kPositron : pElecP->Fill( pParticle->P());pelecRadius->Fill(dRadius); break;
455           case kElectron : pElecP->Fill(-pParticle->P());pelecRadius->Fill(dRadius); break;
456           
457           case kMuonPlus : pMuonP->Fill( pParticle->P()); break;
458           case kMuonMinus: pMuonP->Fill(-pParticle->P()); break;
459                     
460           case kPiPlus   : pPionP->Fill( pParticle->P()); break;
461           case kPiMinus  : pPionP->Fill(-pParticle->P()); break;
462           
463           case kKPlus    : pKaonP->Fill( pParticle->P()); break;
464           case kKMinus   : pKaonP->Fill(-pParticle->P()); break;
465           
466           case kProton   : pProtP->Fill( pParticle->P()); pprotRadius->Fill(dRadius); break;
467           case kProtonBar: pProtP->Fill(-pParticle->P()); pprotbarRadius->Fill(dRadius); break;
468               
469         }//switch PdgCode
470             
471       }//hits loop
472     }//hit tree loop
473     
474     if(isSdig){
475       GetLoader()->TreeS()->GetEntry(0);  
476       for(Int_t iSdigN=0;iSdigN<SDigits()->GetEntries();iSdigN++){//sdigits loop 
477         AliRICHDigit *pSdig=(AliRICHDigit*)SDigits()->At(iSdigN); //get current sdigit pointer  
478         AliRICHHit   *pHit=Hit(pSdig->GetTrack(0));               //get hit of this sdigit (always one)
479         TVector2 hit2 =C(pHit->C())->Mrs2Pc(pHit->OutX3());       //this hit position  in local system
480         TVector2 sdig2=P()->Pad2Loc(pSdig->Pad());                //center of pad for this sdigit
481         pHxSd->Fill(hit2.X()-sdig2.X());        
482         pHySd->Fill(hit2.Y()-sdig2.Y());      
483       }//sdigits loop
484     }//if(isSdig)
485         
486     if(isDig)  GetLoader()->TreeD()->GetEntry(0);  
487     if(isClus) GetLoader()->TreeR()->GetEntry(0);
488     
489     for(Int_t iChamN=1;iChamN<=7;iChamN++){//chambers loop
490       if(isDig){
491         for(Int_t iDigN=0;iDigN<Digits(iChamN)->GetEntries();iDigN++){//digits loop
492           AliRICHDigit *pDig=(AliRICHDigit*)Digits(iChamN)->At(iDigN);
493           AliRICHHit   *pHit=Hit(pDig->GetTrack(0));           //get first hit of this digit
494           TVector2 hitV2=C(iChamN)->Mrs2Pc(pHit->OutX3()); 
495           TVector2 digV2=P()->Pad2Loc(pDig->Pad());            //center of pad for this digit
496           pHxD->Fill(hitV2.X()-digV2.X());        pHyD->Fill(hitV2.Y()-digV2.Y());
497         }//digits loop
498       }//isDig
499       if(isClus){
500         Int_t iNclusCham=Clusters(iChamN)->GetEntries(); if(iNclusCham) pNumClusH1->Fill(iNclusCham);//number of clusters per event
501         for(Int_t iClusN=0;iClusN<iNclusCham;iClusN++){//clusters loop
502           AliRICHCluster *pClus=(AliRICHCluster*)Clusters(iChamN)->At(iClusN);
503                                        pQdcH1        ->Fill(pClus->Q());   
504                                        pSizeH1       ->Fill(pClus->Size());  
505                                        pMapH2        ->Fill(pClus->X(),pClus->Y()); //common
506                                        
507            if(pClus->IsSingleMip())     {pPureMipQdcH1 ->Fill(pClus->Q());
508                                        pPureMipSizeH1->Fill(pClus->Size());
509                                        pPureMipMapH2 ->Fill(pClus->X(),pClus->Y());}//Pure Mips
510                                        
511            if(pClus->IsSingleCerenkov()){pPureCerQdcH1 ->Fill(pClus->Q());
512                                        pPureCerSizeH1->Fill(pClus->Size());
513                                        pPureCerMapH2 ->Fill(pClus->X(),pClus->Y());}//Pure Cerenkovs
514                                        
515            if(pClus->IsSingleFeedback()){pPureFeeQdcH1 ->Fill(pClus->Q());
516                                        pPureFeeSizeH1->Fill(pClus->Size());
517                                        pPureFeeMapH2 ->Fill(pClus->X(),pClus->Y());}//Pure Feedbacks
518            
519            if(pClus->IsMip()) {pMipQdcH1 ->Fill(pClus->Q());} //MIP+ other contributions
520            if(!pClus->IsPureMip())     pPhotQdcH1->Fill(pClus->Q());  //not MIP
521         }//clusters loop
522       }//isClus
523     }//chambers loop
524     Info("ControlPlots","Event %i processed.",iEvtN);
525   }//events loop 
526              GetLoader()->UnloadHits();
527   if(isSdig) GetLoader()->UnloadSDigits();
528   if(isDig)  GetLoader()->UnloadDigits();
529   if(isClus) GetLoader()->UnloadRecPoints();
530   
531   GetLoader()->GetRunLoader()->UnloadHeader();  
532   GetLoader()->GetRunLoader()->UnloadKinematics();  
533   
534   pFile->Write(); delete pFile;
535   
536   gBenchmark->Show("ControlPlots");
537 }//ControlPlots()
538 //__________________________________________________________________________________________________
539 AliRICHHit* AliRICH::Hit(Int_t tid)const
540 {
541 //defines which hit provided by given tid for the currently loaded event
542   GetLoader()->LoadHits();
543   for(Int_t iPrimN=0;iPrimN<GetLoader()->TreeH()->GetEntries();iPrimN++){//prims loop      
544     GetLoader()->TreeH()->GetEntry(iPrimN);
545     for(Int_t iHitN=0;iHitN<Hits()->GetEntries();iHitN++){
546       AliRICHHit *pHit=(AliRICHHit*)Hits()->At(iHitN);
547       if(tid==pHit->Track()) {GetLoader()->UnloadHits();return pHit;}
548     }//hits
549   }//prims loop
550   GetLoader()->UnloadHits();
551   return 0;
552 }
553 //__________________________________________________________________________________________________
554 void AliRICH::HitsPrint(Int_t iEvtN)const
555 {
556 //Prints a list of RICH hits for a given event. Default is event number 0.
557   if(GetLoader()->GetRunLoader()->GetEvent(iEvtN)) return;    
558   AliInfo(Form("List of RICH hits for event %i",iEvtN));
559   if(GetLoader()->LoadHits()) return;
560   
561   Int_t iTotalHits=0;
562   for(Int_t iPrimN=0;iPrimN<GetLoader()->TreeH()->GetEntries();iPrimN++){//prims loop
563     GetLoader()->TreeH()->GetEntry(iPrimN);      
564     Hits()->Print();
565     iTotalHits+=Hits()->GetEntries();
566   }
567   GetLoader()->UnloadHits();
568   AliInfo(Form("totally %i hits",iTotalHits));
569 }
570 //__________________________________________________________________________________________________
571 void AliRICH::SDigitsPrint(Int_t iEvtN)const
572 {
573 //prints a list of RICH sdigits  for a given event
574   if(GetLoader()->GetRunLoader()->GetEvent(iEvtN)) return;    
575   Info("PrintSDigits","List of RICH sdigits for event %i",iEvtN);
576   if(GetLoader()->LoadSDigits()) return;
577   
578   GetLoader()->TreeS()->GetEntry(0);
579   SDigits()->Print();
580   GetLoader()->UnloadSDigits();
581   Info("PrintSDigits","totally %i sdigits",SDigits()->GetEntries());
582 }
583 //__________________________________________________________________________________________________
584 void AliRICH::DigitsPrint(Int_t iEvtN)const
585 {
586 //prints a list of RICH digits  for a given event
587   if(GetLoader()->GetRunLoader()->GetEvent(iEvtN)) return;    
588   Info("PrintDigits","List of RICH digits for event %i",iEvtN);
589   if(GetLoader()->LoadDigits()) return;
590   
591   Int_t iTotalDigits=0;
592   GetLoader()->TreeD()->GetEntry(0);
593   for(Int_t iChamber=1;iChamber<=kNchambers;iChamber++){
594     Digits(iChamber)->Print();
595     iTotalDigits+=Digits(iChamber)->GetEntries();
596   }
597   GetLoader()->UnloadDigits();
598   Info("PrintDigits","totally %i Digits",iTotalDigits);
599 }
600 //__________________________________________________________________________________________________
601 void AliRICH::OccupancyPrint(Int_t iEvtNreq)const
602 {
603 //prints occupancy for each chamber in a given event
604   Int_t iEvtNmin,iEvtNmax;
605   if(iEvtNreq==-1){
606     iEvtNmin=0;
607     iEvtNmax=gAlice->GetEventsPerRun();
608   } else { 
609     iEvtNmin=iEvtNreq;iEvtNmax=iEvtNreq+1;
610   }
611     
612   if(GetLoader()->GetRunLoader()->LoadHeader()) return;    
613   if(GetLoader()->GetRunLoader()->LoadKinematics()) return;    
614   
615 //  Info("Occupancy","for event %i",iEvtN);
616   if(GetLoader()->LoadHits()) return;
617   if(GetLoader()->LoadDigits()) return;
618
619   Int_t totPadsPerChamber = AliRICHParam::NpadsX()*AliRICHParam::NpadsY();  
620
621   Int_t nDigCh[kNchambers]={0,0,0,0,0,0,0};  
622   Int_t iChHits[kNchambers]={0,0,0,0,0,0,0};
623   Int_t nPrim[kNchambers]={0,0,0,0,0,0,0};
624   Int_t nSec[kNchambers]={0,0,0,0,0,0,0};
625   
626   for(Int_t iEvtN=iEvtNmin;iEvtN<iEvtNmax;iEvtN++){
627     if(iEvtN%10==0) AliInfo(Form("events processed %i",iEvtN));
628     if(GetLoader()->GetRunLoader()->GetEvent(iEvtN)) return;    
629     AliStack *pStack = GetLoader()->GetRunLoader()->Stack();
630     for(Int_t iPrimN=0;iPrimN<GetLoader()->TreeH()->GetEntries();iPrimN++){//prims loop
631       GetLoader()->TreeH()->GetEntry(iPrimN);      
632       for(Int_t iHitN=0;iHitN<Hits()->GetEntries();iHitN++){
633         AliRICHHit *pHit = (AliRICHHit *)Hits()->At(iHitN);
634         if(pHit->Eloss()>0){
635           iChHits[pHit->C()-1]++;
636           if(pStack->Particle(pHit->GetTrack())->Rho()<0.01) nPrim[pHit->C()-1]++;else nSec[pHit->C()-1]++;
637         }
638       }
639     }
640     GetLoader()->TreeD()->GetEntry(0);
641     for(Int_t iChamber=1;iChamber<=kNchambers;iChamber++) nDigCh[iChamber-1]= Digits(iChamber)->GetEntries();
642   }  
643   for(Int_t iChamber=1;iChamber<=kNchambers;iChamber++){
644     Double_t occupancy = (Double_t)nDigCh[iChamber-1]/(Double_t)totPadsPerChamber;
645     Info("Occupancy","for chamber %i = %4.2f %% and charged prim tracks %i and sec. tracks %i with total %i",
646         iChamber,occupancy*100.,nPrim[iChamber-1],nSec[iChamber-1],iChHits[iChamber-1]);
647   }    
648   GetLoader()->UnloadHits();
649   GetLoader()->UnloadDigits();
650   GetLoader()->GetRunLoader()->UnloadHeader();    
651   GetLoader()->GetRunLoader()->UnloadKinematics();    
652 }
653 //__________________________________________________________________________________________________
654 void AliRICH::ClustersPrint(Int_t iEvtN)const
655 {
656 //prints a list of RICH clusters  for a given event
657   AliInfo(Form("List of RICH clusters for event %i",iEvtN));
658   GetLoader()->GetRunLoader()->GetEvent(iEvtN);    
659   if(GetLoader()->LoadRecPoints()) return;
660   
661   Int_t iTotalClusters=0;
662   GetLoader()->TreeR()->GetEntry(0);
663   for(Int_t iChamber=1;iChamber<=kNchambers;iChamber++){
664     Clusters(iChamber)->Print();
665     iTotalClusters+=Clusters(iChamber)->GetEntries();
666   }
667   GetLoader()->UnloadRecPoints();
668   AliInfo(Form("totally %i clusters for event %i",iTotalClusters,iEvtN));
669 }
670 //__________________________________________________________________________________________________
671 void AliRICH::PrintTracks(Int_t iEvtN)
672 {
673 //prints a list of tracks (including secondary) for a given event
674   AliInfo(Form("List of all tracks for event %i",iEvtN));
675   GetLoader()->GetRunLoader()->GetEvent(iEvtN);    
676   if(GetLoader()->GetRunLoader()->LoadHeader()) return;
677   if(GetLoader()->GetRunLoader()->LoadKinematics()) return;
678   AliStack *pStack=GetLoader()->GetRunLoader()->Stack();
679   
680   for(Int_t i=0;i<pStack->GetNtrack();i++) pStack->Particle(i)->Print();
681   
682   AliInfo(Form("totally %i tracks including %i primaries for event %i",pStack->GetNtrack(),pStack->GetNprimary(),iEvtN));
683   GetLoader()->GetRunLoader()->UnloadHeader();
684   GetLoader()->GetRunLoader()->UnloadKinematics();
685 }
686 //__________________________________________________________________________________________________
687 void AliRICH::GeomPadPanelFrame()const
688 {
689 //Pad Panel frame  6 sectors
690   Double_t cm=1,mm=0.1*cm;//default is cm
691   Float_t par[3];
692   
693   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
694   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
695   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
696   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)
697   
698   gMC->Gspos("RPPF",1,"RICH",    -335*mm,      -433*mm,  8*cm+20*mm,  0,"ONLY");//F1 2040P1 z p.84 TDR
699   gMC->Gspos("RPPF",2,"RICH",    +335*mm,      -433*mm,  8*cm+20*mm,  0,"ONLY");
700   gMC->Gspos("RPPF",3,"RICH",    -335*mm,         0*mm,  8*cm+20*mm,  0,"ONLY");
701   gMC->Gspos("RPPF",4,"RICH",    +335*mm,         0*mm,  8*cm+20*mm,  0,"ONLY");
702   gMC->Gspos("RPPF",5,"RICH",    -335*mm,      +433*mm,  8*cm+20*mm,  0,"ONLY");
703   gMC->Gspos("RPPF",6,"RICH",    +335*mm,      +433*mm,  8*cm+20*mm,  0,"ONLY");  
704     gMC->Gspos("RPC ",1,"RPPF",       0*mm,         0*mm,   -19.15*mm,  0,"ONLY");//PPF 2001P2 
705     gMC->Gspos("PPFL",1,"RPPF",  -224.5*mm,  -151.875*mm,     0.85*mm,  0,"ONLY");
706     gMC->Gspos("PPFL",2,"RPPF",  -224.5*mm,  - 50.625*mm,     0.85*mm,  0,"ONLY");
707     gMC->Gspos("PPFL",3,"RPPF",  -224.5*mm,  + 50.625*mm,     0.85*mm,  0,"ONLY");
708     gMC->Gspos("PPFL",4,"RPPF",  -224.5*mm,  +151.875*mm,     0.85*mm,  0,"ONLY");
709     gMC->Gspos("PPFS",1,"RPPF",  - 65.0*mm,  -151.875*mm,     0.85*mm,  0,"ONLY");
710     gMC->Gspos("PPFS",2,"RPPF",  - 65.0*mm,  - 50.625*mm,     0.85*mm,  0,"ONLY");
711     gMC->Gspos("PPFS",3,"RPPF",  - 65.0*mm,  + 50.625*mm,     0.85*mm,  0,"ONLY");
712     gMC->Gspos("PPFS",4,"RPPF",  - 65.0*mm,  +151.875*mm,     0.85*mm,  0,"ONLY");
713     gMC->Gspos("PPFS",5,"RPPF",  + 65.0*mm,  -151.875*mm,     0.85*mm,  0,"ONLY");
714     gMC->Gspos("PPFS",6,"RPPF",  + 65.0*mm,  - 50.625*mm,     0.85*mm,  0,"ONLY");
715     gMC->Gspos("PPFS",7,"RPPF",  + 65.0*mm,  + 50.625*mm,     0.85*mm,  0,"ONLY");
716     gMC->Gspos("PPFS",8,"RPPF",  + 65.0*mm,  +151.875*mm,     0.85*mm,  0,"ONLY"); 
717     gMC->Gspos("PPFL",5,"RPPF",  +224.5*mm,  -151.875*mm,     0.85*mm,  0,"ONLY");
718     gMC->Gspos("PPFL",6,"RPPF",  +224.5*mm,  - 50.625*mm,     0.85*mm,  0,"ONLY");
719     gMC->Gspos("PPFL",7,"RPPF",  +224.5*mm,  + 50.625*mm,     0.85*mm,  0,"ONLY");
720     gMC->Gspos("PPFL",8,"RPPF",  +224.5*mm,  +151.875*mm,     0.85*mm,  0,"ONLY");
721 }//GeomPadPanelFrame()
722 //__________________________________________________________________________________________________
723 void AliRICH::GeomAmpGap()const
724 {
725 //Gap - anod wires 6 copies to RICH
726   Double_t cm=1,mm=0.1*cm,mkm=0.001*mm;//default is cm
727   Int_t matrixIdReturn=0; //matrix id returned by AliMatrix
728   Float_t par[3];
729
730
731   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
732   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
733   AliMatrix(matrixIdReturn,180,0, 90,90, 90,0); //wires along x
734   
735   gMC->Gspos("RGAP",1,"RICH",    -335*mm,      -433*mm,8*cm-2.225*mm, 0,"ONLY"); //F1 2040P1 z WP 2099P1
736   gMC->Gspos("RGAP",2,"RICH",    +335*mm,      -433*mm,8*cm-2.225*mm, 0,"ONLY"); 
737   gMC->Gspos("RGAP",3,"RICH",    -335*mm,         0*mm,8*cm-2.225*mm, 0,"ONLY"); 
738   gMC->Gspos("RGAP",4,"RICH",    +335*mm,         0*mm,8*cm-2.225*mm, 0,"ONLY"); 
739   gMC->Gspos("RGAP",5,"RICH",    -335*mm,      +433*mm,8*cm-2.225*mm, 0,"ONLY"); 
740   gMC->Gspos("RGAP",6,"RICH",    +335*mm,      +433*mm,8*cm-2.225*mm, 0,"ONLY"); 
741   for(int i=1;i<=96;i++)
742     gMC->Gspos("RANO",i,"RGAP",     0*mm, -411/2*mm+i*4*mm, 0.185*mm, matrixIdReturn,"ONLY"); //WP 2099P1  
743 }//GeomAmpGap()
744 //__________________________________________________________________________________________________
745 void AliRICH::GeomRadiators()const
746 {
747 //Defines radiators geometry  
748   Double_t mm=0.1;//default is cm
749   Float_t par[3];
750   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
751   par[0]=1330*mm/2 ;par[1]= 413*mm/2  ;par[2]=   4*mm/2;  gMC->Gsvolu("RRFR","BOX ",(*fIdtmed)[kRoha]      ,par,3); //front 
752   par[0]=1330*mm/2 ;par[1]= 413*mm/2  ;par[2]=   5*mm/2;  gMC->Gsvolu("RRWI","BOX ",(*fIdtmed)[kSiO2]      ,par,3); //window
753   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  
754   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 
755   par[0]=   0      ;par[1]=  10*mm/2  ;par[2]=  15*mm/2;  gMC->Gsvolu("RRSP","TUBE",(*fIdtmed)[kSiO2]      ,par,3); //spacer        
756     
757   gMC->Gspos("RRAD",1,"RICH",   0*mm,-434*mm,   -12*mm,  0,"ONLY"); //3 radiators to RICH
758   gMC->Gspos("RRAD",2,"RICH",   0*mm,   0*mm,   -12*mm,  0,"ONLY"); 
759   gMC->Gspos("RRAD",3,"RICH",   0*mm,+434*mm,   -12*mm,  0,"ONLY"); 
760     gMC->Gspos("RRFR",1,"RRAD",   0*mm,   0*mm, -10.0*mm,  0,"ONLY"); //front cover 
761     gMC->Gspos("RRWI",1,"RRAD",   0*mm,   0*mm,   9.5*mm,  0,"ONLY"); //quartz window (back cover)
762     gMC->Gspos("RRLO",1,"RRAD",   0*mm,-204*mm,  -0.5*mm,  0,"ONLY"); //long side
763     gMC->Gspos("RRLO",2,"RRAD",   0*mm,+204*mm,  -0.5*mm,  0,"ONLY"); //long side
764     gMC->Gspos("RRSH",1,"RRAD",-660*mm,   0*mm,  -0.5*mm,  0,"ONLY"); //short side
765     gMC->Gspos("RRSH",2,"RRAD",+660*mm,   0*mm,  -0.5*mm,  0,"ONLY"); //short side 
766     for(int i=0;i<3;i++)
767       for(int j=0;j<10;j++)
768         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
769 }//GeomRadiators()
770 //__________________________________________________________________________________________________
771 void AliRICH::GeomSandBox()const
772 {
773 //Defines SandBox geometry
774   Double_t mm=0.1;//default is cm
775   Float_t par[3];
776   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   
777   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
778   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 
779   
780   gMC->Gspos("RSNB",1,"RICH",   0*mm, 0*mm, -73.75*mm, 0,"ONLY"); //p.84 TDR sandbox to rich
781     gMC->Gspos("RSHO",1,"RSNB", 0*mm, 0*mm,      0*mm, 0,"ONLY"); //2072P1 honeycomv to sandbox
782     gMC->Gspos("RSCO",1,"RSNB", 0*mm, 0*mm,    +25*mm, 0,"ONLY"); //cover to sandbox
783     gMC->Gspos("RSCO",2,"RSNB", 0*mm, 0*mm,    -25*mm, 0,"ONLY"); //cover to sandbox
784 }//GeomSandBox()
785 //__________________________________________________________________________________________________
786 void AliRICH::GeomRadioSrc()const
787 {
788 // Defines geometry for radioactive source  
789   Double_t cm=1,mm=0.1*cm,mkm=0.001*cm;
790   Float_t par[3];
791   
792   par[0]=0 ;par[1]= 70*mm/2  ;par[2]=  30*mm/2;      gMC->Gsvolu("RSRC","TUBE",(*fIdtmed)[kCH4]    ,par,3); //top src container
793     par[0]=0 ;par[1]= 38*mm/2  ;par[2]=  21.8*mm/2;  gMC->Gsvolu("RSAG","TUBE",(*fIdtmed)[kAl]     ,par,3); //Al glass
794       par[0]=0 ;par[1]= 34*mm/2  ;par[2]=  20*mm/2;  gMC->Gsvolu("RSPP","TUBE",(*fIdtmed)[kPerpex] ,par,3); //perpex plug
795         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
796         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 
797           par[0]=0 ;par[1]= 1*mm/2  ;par[2]= 1*mm/2; gMC->Gsvolu("RSSR","TUBE",(*fIdtmed)[kSr90]   ,par,3); //Sr90 source
798         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      
799       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
800     par[0]=0 ;par[1]= 30*mm/2  ;par[2]= 50*mkm/2;    gMC->Gsvolu("RSMF","TUBE",(*fIdtmed)[kMylar]  ,par,3); //Mylar foil                
801     
802   gMC->Gspos("RSRC",1,"RICH",       30*cm,        0,     1*cm, 0,"ONLY"); //source to RICH
803     gMC->Gspos("RSMF",1,"RSRC",         0,        0,21.8*mm/2+50*mkm/2, 0,"ONLY");//mylar foil to top src volume
804     gMC->Gspos("RSAG",1,"RSRC",         0,        0,        0, 0,"ONLY");//Al glass to fake Src volume 
805       gMC->Gspos("RSWA",1,"RSAG",    6*mm,        0,   -10*mm, 0,"ONLY");//air whole in al glass bottom
806       gMC->Gspos("RSPP",1,"RSAG",       0,        0,   0.9*mm, 0,"ONLY");//perpex plug to Al glass
807         gMC->Gspos("RSWP",1,"RSPP",  6*mm,        0,    -5*mm, 0,"ONLY");//air whole in perpex plug
808         gMC->Gspos("RSSC",1,"RSPP",     0,        0,   2.5*mm, 0,"ONLY");//steel screw in center of perpex plug
809         gMC->Gspos("RSSS",1,"RSPP",  6*mm,        0,     5*mm, 0,"ONLY");//steel screw to support Sr90  in perpex plug
810           gMC->Gspos("RSSR",1,"RSSS",   0,        0,  -4.5*mm, 0,"ONLY");//Sr90  in support steel screw
811 }//GeomSr90()
812 //__________________________________________________________________________________________________
813 void AliRICH::GeomAerogel()const
814 {
815 //Creates detailed geometry for aerogel study.
816   AliDebug(1,"Start.");
817   Double_t cm=1;
818   Float_t par[3]; //tmp array for volume dimentions
819        
820   par[0]=10.1*cm/2;par[1]=10.1*cm/2;par[2]=10.1*cm/2;
821   gMC->Gsvolu("RREF","BOX ",(*fIdtmed)[kReflector],par,3);//reflector box
822   gMC->Gspos("RREF",1,"RICH",0,0,0,0, "ONLY");            //put it to RICH volume
823   
824   par[0]=10*cm/2;par[1]=10*cm/2;par[2]=10*cm/2;
825   gMC->Gsvolu("RGEL","BOX ",(*fIdtmed)[kGel],par,3);//10x10x10 cm^3 cubic of aerogel
826   gMC->Gspos("RGEL",1,"RREF",0,0,0,0,"ONLY");//put gel cell to reflector
827   AliDebug(1,"Stop.");  
828 }//GeomAerogel()
829 //__________________________________________________________________________________________________
830 void AliRICH::CreateGeometry()
831 {
832 //Creates detailed geometry simulation (currently GEANT volumes tree)         
833   AliDebug(1,"Start main.");
834   Double_t mm=0.1;//default is cm
835   Float_t par[3];
836   Int_t matrixIdReturn=0; //matrix id returned by AliMatrix
837        
838 //place chambers into mother volume ALIC
839   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;
840   gMC->Gsvolu("RICH","BOX ",(*fIdtmed)[kCH4],par,3);//2033P1  z p84 TDR
841   for(int i=1;i<=P()->Nchambers();i++){ //test configuration with single chamber is taken into account automaticaly in AliRICHParam
842     AliMatrix(matrixIdReturn,
843                    C(i)->ThetaXd(),C(i)->PhiXd(),  
844                    C(i)->ThetaYd(),C(i)->PhiYd(),  
845                    C(i)->ThetaZd(),C(i)->PhiZd());
846     gMC->Gspos("RICH",i,"ALIC",C(i)->Center().X(),
847                                C(i)->Center().Y(),
848                                C(i)->Center().Z(),matrixIdReturn, "ONLY");
849   }
850   
851   if(P()->IsAerogel()) 
852     GeomAerogel();
853   else{
854     GeomPadPanelFrame();
855     GeomAmpGap();
856     if(P()->IsRadioSrc())    GeomRadioSrc(); else GeomRadiators(); 
857     GeomSandBox();           
858   }
859   AliDebug(1,"Stop main.");  
860 }//CreateGeometry()
861 //__________________________________________________________________________________________________
862 void AliRICH::CheckPR()const
863 {
864 //Pattern recognition with stack particles
865   TFile *pFile = new TFile("$(HOME)/RPR.root","RECREATE","RICH Pattern Recognition");
866   TNtupleD *hn = new TNtupleD("hn","ntuple","Pmod:Charge:TrackTheta:TrackPhi:TrackX:TrackY:MinX:MinY:ChargeMIP:ThetaCerenkov:NPhotons:MipIndex:Chamber:Particle");
867 //  printf("\n\n");
868 //  printf("Pattern Recognition done for event %5i",0);
869   AliMagF * magf = gAlice->Field();
870   AliTracker::SetFieldMap(magf,kTRUE);
871   for(Int_t iEvtN=0;iEvtN<GetLoader()->GetRunLoader()->GetNumberOfEvents();iEvtN++) {
872     GetLoader()->GetRunLoader()->GetEvent(iEvtN);
873     AliRICHTracker *tr = new AliRICHTracker();
874     tr->RecWithStack(hn);
875     Info("CheckPR","Pattern Recognition done for event %i \b",iEvtN);
876 //    printf("\b\b\b\b\b%5i",iEvtN+1);
877   }
878   printf("\n\n");
879   pFile->Write();pFile->Close();
880 }
881 //__________________________________________________________________________________________________
882 void AliRICH::DisplayEvent(Int_t iEvtNmin,Int_t iEvtNmax)const
883 {
884   TH2F *pDigitsH2[8];
885
886   Bool_t isDigits  =!GetLoader()->LoadDigits();
887   if(!isDigits){Error("ShoEvent","No digits. Nothing to display.");return;}
888   
889   TCanvas *canvas = new TCanvas("RICHDisplay","RICH Display",0,0,1226,900);     
890   gStyle->SetPalette(1);
891
892   
893   for(Int_t iChamber=1;iChamber<=7;iChamber++) {
894     pDigitsH2[iChamber] = new TH2F(Form("pDigitsH2_%i",iChamber),Form("Chamber %i",iChamber),165,0,P()->PcSizeX(),144,0,P()->PcSizeY());
895     pDigitsH2[iChamber]->SetMarkerColor(kGreen); 
896     pDigitsH2[iChamber]->SetMarkerStyle(29); 
897     pDigitsH2[iChamber]->SetMarkerSize(0.4);
898     pDigitsH2[iChamber]->SetStats(kFALSE);
899     pDigitsH2[iChamber]->SetMaximum(300);
900   }
901   
902   if(iEvtNmax>gAlice->GetEventsPerRun()||iEvtNmax==0) iEvtNmax=gAlice->GetEventsPerRun()-1;
903
904   TLatex t;  t.SetTextSize(0.1);
905   for(Int_t iEventN=iEvtNmin;iEventN<=iEvtNmax;iEventN++) {//events loop
906     canvas->Divide(3,3);    
907     canvas->cd(1);
908     t.DrawText(0.2,0.4,Form("Event Number %i",iEventN));        
909
910     GetLoader()->GetRunLoader()->GetEvent(iEventN); //get event
911     GetLoader()->TreeD()->GetEntry(0);              //get list of digits 
912     for(Int_t iChamber=1;iChamber<=7;iChamber++) {//chambers loop
913       pDigitsH2[iChamber]->Reset();    
914       for(Int_t j=0;j<Digits(iChamber)->GetEntries();j++) {//digits loop
915         AliRICHDigit *pDig = (AliRICHDigit*)Digits(iChamber)->At(j);
916         TVector2 x2=AliRICHParam::Pad2Loc(pDig->Pad());
917         pDigitsH2[iChamber]->Fill(x2.X(),x2.Y(),pDig->Qdc());
918       }//digits loop
919       if(iChamber==1) canvas->cd(7);
920       if(iChamber==2) canvas->cd(8);
921       if(iChamber==3) canvas->cd(4);
922       if(iChamber==4) canvas->cd(5);
923       if(iChamber==5) canvas->cd(6);
924       if(iChamber==6) canvas->cd(2);
925       if(iChamber==7) canvas->cd(3);
926       pDigitsH2[iChamber]->Draw("col");
927       ReadESD(iEventN,iChamber);
928       AliRICHParam::DrawSectors();
929     }//chambers loop
930     canvas->Update();
931     canvas->Modified();
932
933     if(iEventN<iEvtNmax) {gPad->WaitPrimitive();canvas->Clear();}
934   }//events loop
935 }//ShowEvent()
936 //__________________________________________________________________________________________________
937 void AliRICH::Display()const
938 {
939 //Provides fast event display
940 //For RICH only, full display is .x Display.C    
941   Bool_t isHits    =!GetLoader()->LoadHits();
942   Bool_t isDigits  =!GetLoader()->LoadDigits();
943   Bool_t isClusters=!GetLoader()->LoadRecPoints();
944   
945   if(!isHits && !isDigits && !isClusters){Error("Exec","No hits digits and clusters. Nothing to display.");return;}
946   
947   TCanvas *pCanvas = new TCanvas("Display","RICH Display",0,0,600,600);
948   
949   TH2F *pHitsH2=0,*pDigitsH2=0,*pClustersH2=0;
950   
951   if(isHits)     pHitsH2     = new TH2F("pHitsH2"  ,  "Event Display;x,cm;y,cm",165,0,AliRICHParam::PcSizeX(),
952                                                                                 144,0,AliRICHParam::PcSizeY());
953   if(pHitsH2)    pHitsH2->SetStats(kFALSE);
954   
955   if(isDigits)   pDigitsH2   = new TH2F("pDigitsH2"  ,"Event Display",165,0,AliRICHParam::PcSizeX(),
956                                                                       144,0,AliRICHParam::PcSizeY());
957   if(isClusters) pClustersH2 = new TH2F("pClustersH2","Event Display",165,0,AliRICHParam::PcSizeX(),
958                                                                       144,0,AliRICHParam::PcSizeY());
959   
960   for(Int_t iEventN=0;iEventN<gAlice->GetEventsPerRun();iEventN++){//events Loop
961     GetLoader()->GetRunLoader()->GetEvent(iEventN);  
962 //display all the staff on chamber by chamber basis           
963     for(Int_t iChamber=1;iChamber<=7;iChamber++){//chambers loop       
964       if(isHits)     pHitsH2    ->Reset();     
965       if(isDigits)   pDigitsH2  ->Reset();     
966       if(isClusters) pClustersH2->Reset();
967 //deals with hits
968       for(Int_t i=0;i<GetLoader()->TreeH()->GetEntries();i++){//TreeH loop
969         GetLoader()->TreeH()->GetEntry(i);
970         for(Int_t j=0;j<Hits()->GetEntries();j++){//hits loop
971           AliRICHHit *pHit = (AliRICHHit*)Hits()->At(j);
972           if(pHit->C()==iChamber){
973             TVector3 hitGlobX3= pHit->OutX3();
974             TVector2 hitLocX2 = C(iChamber)->Mrs2Pc(hitGlobX3);
975             pHitsH2->Fill(hitLocX2.X(),hitLocX2.Y(),200);
976           }//if
977         }//hits loop         
978       }//TreeH loop
979       pHitsH2->SetTitle(Form("event %i chamber %2i",iEventN,iChamber));
980       pHitsH2->SetMarkerColor(kRed); pHitsH2->SetMarkerStyle(29); pHitsH2->SetMarkerSize(0.4);
981       ReadESD(iEventN,iChamber);
982       pHitsH2->Draw();
983       ReadESD(iEventN,iChamber);
984       AliRICHParam::DrawSectors();
985       TLatex l; l.SetNDC(); l.SetTextSize(0.02);
986       if(!isHits)     {l.SetTextColor(kRed)  ;l.DrawLatex(0.1,0.01,"No Hits"    );}
987       if(!isDigits)   {l.SetTextColor(kGreen);l.DrawLatex(0.4,0.01,"No DIGITS"  );}
988       if(!isClusters) {l.SetTextColor(kBlue) ;l.DrawLatex(0.8,0.01,"No CLUSTERS");}
989       pCanvas->Update();        pCanvas->Modified();       gPad->WaitPrimitive();
990 //deals with digits      
991       if(isDigits){
992         GetLoader()->TreeD()->GetEntry(0);
993         for(Int_t j=0;j<Digits(iChamber)->GetEntries();j++){//digits loop
994           AliRICHDigit *pDig = (AliRICHDigit*)Digits(iChamber)->At(j);
995           TVector2 x2=AliRICHParam::Pad2Loc(pDig->Pad());
996           pDigitsH2->Fill(x2.X(),x2.Y(),100);
997         }//digits loop
998         pDigitsH2->SetMarkerColor(kGreen); pDigitsH2->SetMarkerStyle(29); pDigitsH2->SetMarkerSize(0.4);
999         pDigitsH2->Draw("same");
1000         pCanvas->Update();        pCanvas->Modified();       gPad->WaitPrimitive();
1001       }//if(isDigits)      
1002 //deals with clusters      
1003       if(isClusters){
1004         GetLoader()->TreeR()->GetEntry(0);
1005         for(Int_t j=0;j<Clusters(iChamber)->GetEntries();j++){//clusters loop
1006           AliRICHCluster *pClus = (AliRICHCluster*)Clusters(iChamber)->At(j);
1007           pClustersH2->Fill(pClus->X(),pClus->Y(),50);
1008         }//clusters loop
1009         pClustersH2->SetMarkerColor(kBlue); pClustersH2->SetMarkerStyle(29);  pClustersH2->SetMarkerSize(0.4);
1010         pClustersH2->Draw("same");
1011         pCanvas->Update();        pCanvas->Modified();       gPad->WaitPrimitive();
1012       }//if(isClusters)
1013     }//chambers loop
1014   }//events Loop
1015   
1016   delete pCanvas;
1017   GetLoader()->UnloadHits();
1018   if(isDigits)   GetLoader()->UnloadDigits();
1019   if(isClusters) GetLoader()->UnloadRecPoints();
1020 }//Display()
1021 //__________________________________________________________________________________________________
1022 Int_t AliRICH::Nparticles(Int_t iPartID,Int_t iEvtN,AliRunLoader *pRL)
1023 {
1024 //counts total number of particles of given type (including secondary) for a given event
1025   pRL->GetEvent(iEvtN);    
1026   if(pRL->LoadHeader()) return 0;
1027   if(pRL->LoadKinematics()) return 0;
1028   AliStack *pStack=pRL->Stack();
1029   
1030   Int_t iCounter=0;
1031   for(Int_t i=0;i<pStack->GetNtrack();i++){
1032     if(pStack->Particle(i)->GetPdgCode()==iPartID) iCounter++;
1033   }
1034   
1035   pRL->UnloadHeader();
1036   pRL->UnloadKinematics();
1037   return iCounter;
1038 }
1039 //__________________________________________________________________________________________________
1040 void AliRICH::ReadESD(Int_t iEventN, Int_t iChamber)const
1041 {
1042 //
1043   AliInfo("Start.");
1044   TFile *pFile=TFile::Open("AliESDs.root","read");
1045   if(!pFile || !pFile->IsOpen()) {AliInfo("ESD file not open.");return;}      //open AliESDs.root                                                                    
1046   TTree *pTree = (TTree*) pFile->Get("esdTree");
1047   if(!pTree){AliInfo("ESD not found.");return;}                               //get ESD tree
1048   
1049   AliInfo("ESD found. Try to draw ring");
1050                                                                  
1051   AliESD *pESD=new AliESD;  pTree->SetBranchAddress("ESD", &pESD);
1052   
1053   pTree->GetEvent(iEventN);
1054   
1055   Double_t b = pESD->GetMagneticField()/10.;
1056   
1057   Int_t iNtracks=pESD->GetNumberOfTracks();    
1058   
1059   for(Int_t iTrackN=0;iTrackN<iNtracks;iTrackN++){//ESD tracks loop
1060     AliESDtrack *pTrack = pESD->GetTrack(iTrackN);// get next reconstructed track
1061     Int_t charge = (Int_t)(-TMath::Sign(1.,pTrack->GetSign()*b));
1062     AliRICHHelix helix(pTrack->X3(),pTrack->P3(),charge,b);
1063     Int_t iChamberOnRICH=helix.RichIntersect(P());        
1064     if(iChamberOnRICH==iChamber) {
1065 //
1066       TMarker *trackImpact = new TMarker(helix.PosPc().X(),helix.PosPc().Y(),kStar);
1067       trackImpact->SetMarkerColor(kRed);
1068       trackImpact->Draw();
1069 //
1070       Int_t iChamberRecon = pTrack->GetRICHcluster()/100000;
1071       if(iChamberRecon==iChamber) {
1072         Double_t thetaCer = pTrack->GetRICHsignal();
1073         if(thetaCer<0) continue;
1074         TVector3 entrance(helix.PosRad().X(),helix.PosRad().Y(),0);
1075         Double_t thetaTrack,phiTrack;
1076         pTrack->GetRICHthetaPhi(thetaTrack,phiTrack);
1077         TVector3 vectorTrack;
1078         vectorTrack.SetMagThetaPhi(pTrack->GetP(),thetaTrack,phiTrack);
1079         AliInfo(Form("Draw ring started for track %i on chamber %i",iTrackN,iChamber));
1080         AliInfo(Form("ThetaCer %f TrackTheta %f TrackPhi %f Momentum %f",thetaCer,thetaTrack,phiTrack,pTrack->GetP()));
1081         Double_t dx,dy;
1082         pTrack->GetRICHdxdy(dx,dy);
1083         AliInfo(Form("dx %f dy %f ",dx,dy));
1084         DrawRing(entrance,vectorTrack,thetaCer);
1085       }
1086     }
1087   }
1088   delete pESD;  pFile->Close();//close AliESDs.root
1089   AliInfo("Stop.");
1090 }
1091 //__________________________________________________________________________________________________
1092 void AliRICH::DrawRing(TVector3 entrance,TVector3 vectorTrack,Double_t thetaCer)const
1093 {
1094   Double_t xGraph[100],yGraph[100];
1095   Int_t nPointsToDraw = 0;
1096   for(Int_t i=0;i<100;i++) {
1097     Double_t phiCer = 2*TMath::Pi()*i/100;
1098     TVector3 pos = AliRICHParam::ForwardTracing(entrance,vectorTrack,thetaCer,phiCer);
1099     if(pos.X()==-999) continue;
1100     xGraph[nPointsToDraw] = pos.X();yGraph[nPointsToDraw] = pos.Y();nPointsToDraw++;
1101   }
1102 //  AliInfo(Form("Npoints per ring %i",nPointsToDraw));
1103   TGraph *gra = new TGraph(nPointsToDraw,xGraph,yGraph);
1104   gra->Draw("C");  
1105 }
1106 //__________________________________________________________________________________________________
1107 void AliRICH::SummaryOfEvent(Int_t iEvtN) const
1108 {
1109 //prints a summary for a given event
1110   AliInfo(Form("Summary of event %i",iEvtN));
1111   GetLoader()->GetRunLoader()->GetEvent(iEvtN);    
1112   if(GetLoader()->GetRunLoader()->LoadHeader()) return;
1113   if(GetLoader()->GetRunLoader()->LoadKinematics()) return;
1114   AliStack *pStack=GetLoader()->GetRunLoader()->Stack();
1115   
1116   AliGenEventHeader* pGenHeader =  gAlice->GetHeader()->GenEventHeader();
1117   if(pGenHeader->InheritsFrom("AliGenHijingEventHeader")) {
1118     AliInfo(Form(" Hijing event with impact parameter b = %.2f (fm)",((AliGenHijingEventHeader*) pGenHeader)->ImpactParameter()));
1119   }
1120   Int_t nChargedPrimaries=0;
1121   for(Int_t i=0;i<pStack->GetNtrack();i++) {
1122     TParticle *pParticle = pStack->Particle(i);
1123     if(pParticle->IsPrimary()&&pParticle->GetPDG()->Charge()!=0) nChargedPrimaries++;
1124     }
1125   AliInfo(Form("Total number of         primaries %i",pStack->GetNprimary()));
1126   AliInfo(Form("Total number of charged primaries %i",nChargedPrimaries));
1127   AliInfo(Form("Total n. of tracks in stack(+sec) %i",pStack->GetNtrack()));
1128   GetLoader()->GetRunLoader()->UnloadHeader();
1129   GetLoader()->GetRunLoader()->UnloadKinematics();
1130 }
1131 //__________________________________________________________________________________________________
1132 void AliRICH::HitsQA(Double_t cut,Double_t cutele,Double_t cutR)
1133 {
1134 // Provides a set of control plots intended primarily for charged particle flux analisys
1135 // Arguments: cut (GeV)    - cut on momentum of any charged particles but electrons, 
1136 //            cetele (GeV) - the same for electrons-positrons
1137 //            cutR (cm)    - cut on production vertex radius (cylindrical system)        
1138   gBenchmark->Start("HitsAna");
1139   
1140   Double_t cutPantiproton    =cut;
1141   Double_t cutPkaonminus     =cut;
1142   Double_t cutPpionminus     =cut;
1143   Double_t cutPmuonminus     =cut;
1144   Double_t cutPpositron      =cutele;
1145                     
1146   Double_t cutPelectron      =cutele;
1147   Double_t cutPmuonplus      =cut;
1148   Double_t cutPpionplus      =cut;
1149   Double_t cutPkaonplus      =cut;
1150   Double_t cutPproton        =cut;
1151                        
1152
1153   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  
1154   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 
1155   TH1F *pEleAllP     =new TH1F("EleAllP"     ,     "e^{+} e^{-} all;p[GeV]"                         ,1000,-1  ,1                );  
1156   TH1F *pEleHitP     =new TH1F("EleHitP"     ,Form("e^{+} e^{-} hit %s;p[GeV]"      ,GetName())     ,1000,-1  ,1                );   
1157   TH1F *pMuoHitP     =new TH1F("MuoHitP"     ,Form("#mu^{-} #mu^{+} hit %s;p[GeV]"  ,GetName())     ,1000,-4  ,4                ); 
1158   TH1F *pPioHitP     =new TH1F("PioHitP"     ,Form("#pi^{-} #pi^{+} hit %s;p[GeV]"  ,GetName())     ,1000,-4  ,4                ); 
1159   TH1F *pKaoHitP     =new TH1F("KaoHitP"     ,Form("K^{-} K^{+} hit %s;p[GeV]"      ,GetName())     ,1000,-4  ,4                ); 
1160   TH1F *pProHitP     =new TH1F("ProHitP"     ,Form("p^{-} p^{+} hit %s;p[GeV]"      ,GetName())     ,1000,-4  ,4                ); 
1161   TH2F *pFlux        =new TH2F("flux"        ,Form("%s flux with Rvertex<%.1fcm"    ,GetName(),cutR),10  ,-5  ,5   , 10,0    ,10); //special text hist
1162   TH2F *pVertex      =new TH2F("vertex"      ,Form("%s 2D vertex of RICH hit;x;y"   ,GetName())     ,120 ,0   ,600 ,120,0    ,600); //special text hist
1163   TH1F *pRho         =new TH1F("rho"         ,Form("%s r of RICH hit"               ,GetName())     ,600 ,0   ,600); //special text hist
1164   pFlux->SetStats(0);
1165   pFlux->GetXaxis()->SetBinLabel(1 ,Form("p^{-}>%.3fGeV/c"   ,cutPantiproton));        
1166   pFlux->GetXaxis()->SetBinLabel(2 ,Form("K^{-}>%.3fGeV/c"   ,cutPkaonminus ));        
1167   pFlux->GetXaxis()->SetBinLabel(3 ,Form("#pi^{-}>%.3fGeV/c" ,cutPpionminus ));      
1168   pFlux->GetXaxis()->SetBinLabel(4 ,Form("#mu^{-}>%.3fGeV/c" ,cutPmuonminus ));      
1169   pFlux->GetXaxis()->SetBinLabel(5 ,Form("e^{+}>%.3fGeV/c"   ,cutPpositron  ));        
1170   
1171   pFlux->GetXaxis()->SetBinLabel(6 ,Form("e^{-}>%.3fGeV/c"   ,cutPelectron  ));        
1172   pFlux->GetXaxis()->SetBinLabel(7 ,Form("#mu^{+}>%.3fGeV/c" ,cutPmuonplus  ));      
1173   pFlux->GetXaxis()->SetBinLabel(8 ,Form("#pi^{+}>%.3fGeV/c" ,cutPpionplus  ));      
1174   pFlux->GetXaxis()->SetBinLabel(9 ,Form("K^{+}>%.3fGeV/c"   ,cutPkaonplus  ));        
1175   pFlux->GetXaxis()->SetBinLabel(10,Form("p^{+}>%.3fGeV/c"   ,cutPproton    ));        
1176   
1177   pFlux->GetYaxis()->SetBinLabel(1,"sum");  
1178   pFlux->GetYaxis()->SetBinLabel(2,"ch1");  
1179   pFlux->GetYaxis()->SetBinLabel(3,"ch2");  
1180   pFlux->GetYaxis()->SetBinLabel(4,"ch3");  
1181   pFlux->GetYaxis()->SetBinLabel(5,"ch4");  
1182   pFlux->GetYaxis()->SetBinLabel(6,"ch5");  
1183   pFlux->GetYaxis()->SetBinLabel(7,"ch6");  
1184   pFlux->GetYaxis()->SetBinLabel(8,"ch7");  
1185   pFlux->GetYaxis()->SetBinLabel(9,"prim"); 
1186   pFlux->GetYaxis()->SetBinLabel(10,"tot");  
1187   
1188 //end of hists definition
1189    
1190   Int_t iNevents=fLoader->GetRunLoader()->GetAliRun()->GetEventsPerRun(),iCntPrimParts=0,iCntTotParts=0;
1191 //load all needed trees   
1192   fLoader->LoadHits(); 
1193   fLoader->GetRunLoader()->LoadHeader(); 
1194   fLoader->GetRunLoader()->LoadKinematics();  
1195   
1196   for(Int_t iEvtN=0;iEvtN < iNevents;iEvtN++){//events loop
1197     fLoader->GetRunLoader()->GetEvent(iEvtN);
1198     AliInfo(Form(" %i event processes",fLoader->GetRunLoader()->GetEventNumber()));
1199     AliStack *pStack= fLoader->GetRunLoader()->Stack(); 
1200     
1201     for(Int_t iParticleN=0;iParticleN<pStack->GetNtrack();iParticleN++){//stack loop
1202       TParticle *pPart=pStack->Particle(iParticleN);
1203
1204       if(iParticleN%10000==0) AliInfo(Form(" %i particles read",iParticleN));
1205     
1206       switch(pPart->GetPdgCode()){
1207         case kProtonBar: pFlux->Fill(-4.5,9); if(pPart->Rho()<0.01) pFlux->Fill(-4.5,8); break;
1208         case kKMinus:    pFlux->Fill(-3.5,9); if(pPart->Rho()<0.01) pFlux->Fill(-3.5,8); break;
1209         case kPiMinus:   pFlux->Fill(-2.5,9); if(pPart->Rho()<0.01) pFlux->Fill(-2.5,8); break;
1210         case kMuonMinus: pFlux->Fill(-1.5,9); if(pPart->Rho()<0.01) pFlux->Fill(-1.5,8); break;
1211         case kPositron:  pFlux->Fill(-0.5,9); if(pPart->Rho()<0.01) pFlux->Fill(-0.5,8); pEleAllP->Fill(-pPart->P()); break;
1212       
1213         case kElectron:  pFlux->Fill( 0.5,9); if(pPart->Rho()<0.01) pFlux->Fill( 0.5,8); pEleAllP->Fill( pPart->P()); break;      
1214         case kMuonPlus:  pFlux->Fill( 1.5,9); if(pPart->Rho()<0.01) pFlux->Fill( 1.5,8); break;      
1215         case kPiPlus:    pFlux->Fill( 2.5,9); if(pPart->Rho()<0.01) pFlux->Fill( 2.5,8); break;      
1216         case kKPlus:     pFlux->Fill( 3.5,9); if(pPart->Rho()<0.01) pFlux->Fill( 3.5,8); break;      
1217         case kProton:    pFlux->Fill( 4.5,9); if(pPart->Rho()<0.01) pFlux->Fill( 4.5,8); break;            
1218       }//switch
1219     }//stack loop
1220 //now hits analiser        
1221     for(Int_t iEntryN=0;iEntryN < fLoader->TreeH()->GetEntries();iEntryN++){//TreeH loop
1222       fLoader->TreeH()->GetEntry(iEntryN);                                  //get current entry (prim)                
1223       for(Int_t iHitN=0;iHitN < Hits()->GetEntries();iHitN++){//hits loop
1224         AliRICHHit *pHit = (AliRICHHit*)Hits()->At(iHitN);            //get current hit
1225         TParticle  *pPart=pStack->Particle(pHit->GetTrack());      //get stack particle which produced the current hit
1226         
1227         if(pPart->GetPDG()->Charge()!=0&&pPart->Rho()>0.1) pVertex->Fill(pPart->Vx(),pPart->Vy()); //safe margin for sec.
1228         if(pPart->GetPDG()->Charge()!=0) pRho->Fill(pPart->Rho()); //safe margin for sec.
1229         if(pPart->R()>cutR) continue;                                   //cut on production radius (cylindrical system) 
1230       
1231         switch(pPart->GetPdgCode()){
1232           case kProtonBar: if(pPart->P()>cutPantiproton) {pProHitP->Fill(-pPart->P()); pFlux->Fill(-4.5,pHit->C());}break;
1233           case kKMinus   : if(pPart->P()>cutPkaonminus)  {pKaoHitP->Fill(-pPart->P()); pFlux->Fill(-3.5,pHit->C());}break;
1234           case kPiMinus  : if(pPart->P()>cutPpionminus)  {pPioHitP->Fill(-pPart->P()); pFlux->Fill(-2.5,pHit->C());}break;
1235           case kMuonMinus: if(pPart->P()>cutPmuonminus)  {pMuoHitP->Fill(-pPart->P()); pFlux->Fill(-1.5,pHit->C());}break;        
1236           case kPositron : if(pPart->P()>cutPpositron)   {pEleHitP->Fill(-pPart->P()); pFlux->Fill(-0.5,pHit->C()); 
1237                pEleHitRP->Fill(-pPart->P(),pPart->R());  pEleHitRZ->Fill(pPart->Vz(),pPart->R()); }break;
1238           
1239           case kElectron : if(pPart->P()>cutPelectron)   {pEleHitP->Fill( pPart->P()); pFlux->Fill( 0.5,pHit->C()); 
1240                pEleHitRP->Fill( pPart->P(),pPart->R());  pEleHitRZ->Fill(pPart->Vz(),pPart->R()); }break;
1241           case kMuonPlus : if(pPart->P()>cutPmuonplus)   {pMuoHitP->Fill( pPart->P()); pFlux->Fill( 1.5,pHit->C());}break;                     
1242           case kPiPlus   : if(pPart->P()>cutPpionplus)   {pPioHitP->Fill( pPart->P()); pFlux->Fill( 2.5,pHit->C());}break;           
1243           case kKPlus    : if(pPart->P()>cutPkaonplus)   {pKaoHitP->Fill( pPart->P()); pFlux->Fill( 3.5,pHit->C());}break;           
1244           case kProton   : if(pPart->P()>cutPproton)     {pProHitP->Fill( pPart->P()); pFlux->Fill( 4.5,pHit->C());}break;
1245         }
1246       }//hits loop      
1247     }//TreeH loop
1248     iCntPrimParts +=pStack->GetNprimary();
1249     iCntTotParts  +=pStack->GetNtrack();
1250   }//events loop                        
1251 //unload all loaded staff  
1252   fLoader->UnloadHits();  
1253   fLoader->GetRunLoader()->UnloadHeader(); 
1254   fLoader->GetRunLoader()->UnloadKinematics();  
1255 //Calculater some sums
1256   Stat_t sum=0;
1257 //sum row, sum over rows  
1258   for(Int_t i=1;i<=pFlux->GetNbinsX();i++){
1259     sum=0; for(Int_t j=2;j<=8;j++)    sum+=pFlux->GetBinContent(i,j);    
1260     pFlux->SetBinContent(i,1,sum);
1261   }
1262     
1263 //display everything  
1264   new TCanvas("canvas1",Form("Events %i Nprims=%i Nparticles=%i",iNevents,iCntPrimParts,iCntTotParts),1000,900); pFlux->Draw("text");  gPad->SetGrid();  
1265 //total prims and particles
1266   TLatex latex; latex.SetTextSize(0.02);
1267   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));
1268   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));
1269   for(Int_t iChN=1;iChN<=kNchambers;iChN++) {
1270     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));
1271   }  
1272   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));
1273   
1274   new TCanvas("cEleAllP"   ,"e" ,200,100); pEleAllP->Draw();
1275   new TCanvas("cEleHitRP"  ,"e" ,200,100); pEleHitRP->Draw();
1276   new TCanvas("cEleHitRZ"  ,"e" ,200,100); pEleHitRZ->Draw();
1277   new TCanvas("cEleHitP"   ,"e" ,200,100); pEleHitP->Draw();
1278   new TCanvas("cMuoHitP"   ,"mu",200,100); pMuoHitP->Draw();
1279   new TCanvas("cPioHitP"   ,"pi",200,100); pPioHitP->Draw();
1280   new TCanvas("cKaoHitP"   ,"K" ,200,100); pKaoHitP->Draw();
1281   new TCanvas("cProHitP"   ,"p" ,200,100); pProHitP->Draw();
1282   new TCanvas("cVertex"    ,"2d vertex" ,200,100); pVertex->Draw();
1283   new TCanvas("cRho"    ,"Rho of sec" ,200,100); pRho->Draw();
1284   
1285   gBenchmark->Show("HitsPlots");
1286 }//HitsPlots()