]> git.uio.no Git - u/mrichter/AliRoot.git/blobdiff - RICH/AliRICH.cxx
Test for clusterisation, tracker and ESD filling of MUON for ALICE reconstruction...
[u/mrichter/AliRoot.git] / RICH / AliRICH.cxx
index 9b6e5c3f3c2b068023d3512f659be2b08b961d81..309253292b1daf5707535435446ae35ea2d74794 100644 (file)
-/**************************************************************************
- * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
- *                                                                        *
- * Author: The ALICE Off-line Project.                                    *
- * Contributors are mentioned in the code where appropriate.              *
- *                                                                        *
- * Permission to use, copy, modify and distribute this software and its   *
- * documentation strictly for non-commercial purposes is hereby granted   *
- * without fee, provided that the above copyright notice appears in all   *
- * copies and that both the copyright notice and this permission notice   *
- * appear in the supporting documentation. The authors make no claims     *
- * about the suitability of this software for any purpose. It is          *
- * provided "as is" without express or implied warranty.                  *
- **************************************************************************/
+//  **************************************************************************
+//  * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+//  *                                                                        *
+//  * Author: The ALICE Off-line Project.                                    *
+//  * Contributors are mentioned in the code where appropriate.              *
+//  *                                                                        *
+//  * Permission to use, copy, modify and distribute this software and its   *
+//  * documentation strictly for non-commercial purposes is hereby granted   *
+//  * without fee, provided that the above copyright notice appears in all   *
+//  * copies and that both the copyright notice and this permission notice   *
+//  * appear in the supporting documentation. The authors make no claims     *
+//  * about the suitability of this software for any purpose. It is          *
+//  * provided "as is" without express or implied warranty.                  *
+//  **************************************************************************
 
-/*
-  $Log$
-  Revision 1.65  2003/01/14 10:50:19  alibrary
-  Cleanup of STEER coding conventions
-
-  Revision 1.64  2002/11/21 22:54:07  alibrary
-  Removing AliMC and AliMCProcess
-
-  Revision 1.63  2002/11/04 09:02:52  morsch
-  Further corrcetions on Fresnel and Grid losses.
-
-  Revision 1.62  2002/10/31 08:44:04  morsch
-  Problems with rotated RICH solved:
-  Detector response (fresnel reflection, grid absorption ...) has to be
-  determined using local coordinates.
-
-  Revision 1.61  2002/10/29 15:00:08  morsch
-  - Diagnostics updated.
-  - RecHits structure synchronized.
-  - Digitizer method using AliRICHDigitizer.
-  (J. Barbosa)
-
-  
-  Revision 1.60  2002/10/22 16:28:21  alibrary
-  Introducing Riostream.h
-
-  Revision 1.59  2002/10/14 14:57:31  hristov
-  Merging the VirtualMC branch to the main development branch (HEAD)
-
-  Revision 1.58.6.1  2002/06/10 15:12:46  hristov
-  Merged with v3-08-02
-
-  Revision 1.58  2001/11/14 09:49:37  dibari
-  Use debug methods
-
-  Revision 1.57  2001/11/09 17:29:31  dibari
-  Setters fro models moved to header
-
-  Revision 1.56  2001/11/02 15:37:25  hristov
-  Digitizer class created. Code cleaning and bug fixes (J.Chudoba)
-
-  Revision 1.55  2001/10/23 13:03:35  hristov
-  The access to several data members was changed from public to protected. The digitisation was adapted to the multi-event case (J.Chudoba)
-
-  Revision 1.54  2001/09/07 08:38:10  hristov
-  Pointers initialised to 0 in the default constructors
-
-  Revision 1.53  2001/08/30 09:51:23  hristov
-  The operator[] is replaced by At() or AddAt() in case of TObjArray.
-
-  Revision 1.52  2001/05/16 14:57:20  alibrary
-  New files for folders and Stack
-
-  Revision 1.51  2001/05/14 10:18:55  hristov
-  Default arguments declared once
-
-  Revision 1.50  2001/05/10 14:44:16  jbarbosa
-  Corrected some overlaps (thanks I. Hrivnacovna).
-
-  Revision 1.49  2001/05/10 12:23:49  jbarbosa
-  Repositioned the RICH modules.
-  Eliminated magic numbers.
-  Incorporated diagnostics (from macros).
-
-  Revision 1.48  2001/03/15 10:35:00  jbarbosa
-  Corrected bug in MakeBranch (was using a different version of STEER)
-
-  Revision 1.47  2001/03/14 18:13:56  jbarbosa
-  Several changes to adapt to new IO.
-  Removed digitising function, using AliRICHMerger::Digitise from now on.
-
-  Revision 1.46  2001/03/12 17:46:33  hristov
-  Changes needed on Sun with CC 5.0
-
-  Revision 1.45  2001/02/27 22:11:46  jbarbosa
-  Testing TreeS, removing of output.
-
-  Revision 1.44  2001/02/27 15:19:12  jbarbosa
-  Transition to SDigits.
-
-  Revision 1.43  2001/02/23 17:19:06  jbarbosa
-  Corrected photocathode definition in BuildGeometry().
-
-  Revision 1.42  2001/02/13 20:07:23  jbarbosa
-  Parametrised definition of photcathode dimensions. New spacers. New data members in AliRICHHit to store particle momentum
-  when entering the freon. Corrected calls to particle stack.
-
-  Revision 1.41  2001/01/26 20:00:20  hristov
-  Major upgrade of AliRoot code
-
-  Revision 1.40  2001/01/24 20:58:03  jbarbosa
-  Enhanced BuildGeometry. Now the photocathodes are drawn.
-
-  Revision 1.39  2001/01/22 21:40:24  jbarbosa
-  Removing magic numbers
-
-  Revision 1.37  2000/12/20 14:07:25  jbarbosa
-  Removed dependencies on TGeant3 (thanks to F. Carminati and I. Hrivnacova)
-
-  Revision 1.36  2000/12/18 17:45:54  jbarbosa
-  Cleaned up PadHits object.
-
-  Revision 1.35  2000/12/15 16:49:40  jbarbosa
-  Geometry and materials updates (wire supports, pcbs, backplane supports, frame).
-
-  Revision 1.34  2000/11/10 18:12:12  jbarbosa
-  Bug fix for AliRICHCerenkov (thanks to P. Hristov)
-
-  Revision 1.33  2000/11/02 10:09:01  jbarbosa
-  Minor bug correction (some pointers were not initialised in the default constructor)
-
-  Revision 1.32  2000/11/01 15:32:55  jbarbosa
-  Updated to handle both reconstruction algorithms.
-
-  Revision 1.31  2000/10/26 20:18:33  jbarbosa
-  Supports for methane and freon vessels
-
-  Revision 1.30  2000/10/24 13:19:12  jbarbosa
-  Geometry updates.
-
-  Revision 1.29  2000/10/19 19:39:25  jbarbosa
-  Some more changes to geometry. Further correction of digitisation "per part. type"
-
-  Revision 1.28  2000/10/17 20:50:57  jbarbosa
-  Inversed digtise by particle type (now, only the selected particle type is not digitsed).
-  Corrected several geometry minor bugs.
-  Added new parameter (opaque quartz thickness).
-
-  Revision 1.27  2000/10/11 10:33:55  jbarbosa
-  Corrected bug introduced by earlier revisions  (CerenkovData array cannot be reset to zero on wach call of StepManager)
-
-  Revision 1.26  2000/10/03 21:44:08  morsch
-  Use AliSegmentation and AliHit abstract base classes.
-
-  Revision 1.25  2000/10/02 21:28:12  fca
-  Removal of useless dependecies via forward declarations
-
-  Revision 1.24  2000/10/02 15:43:17  jbarbosa
-  Fixed forward declarations.
-  Fixed honeycomb density.
-  Fixed cerenkov storing.
-  New electronics.
-
-  Revision 1.23  2000/09/13 10:42:14  hristov
-  Minor corrections for HP, DEC and Sun; strings.h included
-
-  Revision 1.22  2000/09/12 18:11:13  fca
-  zero hits area before using
-
-  Revision 1.21  2000/07/21 10:21:07  morsch
-  fNrawch   = 0; and  fNrechits = 0; in the default constructor.
-
-  Revision 1.20  2000/07/10 15:28:39  fca
-  Correction of the inheritance scheme
-
-  Revision 1.19  2000/06/30 16:29:51  dibari
-  Added kDebugLevel variable to control output size on demand
-
-  Revision 1.18  2000/06/12 15:15:46  jbarbosa
-  Cleaned up version.
-
-  Revision 1.17  2000/06/09 14:58:37  jbarbosa
-  New digitisation per particle type
-
-  Revision 1.16  2000/04/19 12:55:43  morsch
-  Newly structured and updated version (JB, AM)
-
-*/
-
-
-////////////////////////////////////////////////
-//  Manager and hits classes for set:RICH     //
-////////////////////////////////////////////////
-
-#include <strings.h>
-
-#include <Riostream.h>
+#include "AliRICH.h"
+#include "AliRICHParam.h"
+#include "AliRICHChamber.h"
+#include "AliRICHClusterFinder.h"
 #include <TArrayF.h>
+#include <TGeometry.h>
 #include <TBRIK.h>
-#include <TCanvas.h>
-#include <TF1.h>
+#include <TTUBE.h>
 #include <TFile.h>
-#include <TGeometry.h>
-#include <TH1.h>
-#include <TH2.h>
 #include <TNode.h> 
 #include <TObjArray.h>
-#include <TObject.h>
 #include <TParticle.h>
-#include <TPDGCode.h>
-#include <TRandom.h> 
-#include <TStyle.h>
-#include <TTUBE.h>
-#include <TTree.h>
-#include <TVector.h>
-
-#include "AliConst.h"
-#include "AliMagF.h"
-#include "AliPoints.h"
-#include "AliRICH.h"
-#include "AliRICHCerenkov.h"
-#include "AliRICHClusterFinder.h"
-#include "AliRICHDigit.h"
-#include "AliRICHDigitizer.h"
-#include "AliRICHHit.h"
-#include "AliRICHHitMapA1.h"
-#include "AliRICHMerger.h"
-#include "AliRICHRawCluster.h"
-#include "AliRICHRecHit1D.h"
-#include "AliRICHRecHit3D.h"
-#include "AliRICHSDigit.h"
-#include "AliRICHSegmentationV0.h"
-#include "AliRICHTransientDigit.h"
-#include "AliRun.h"
-#include "AliRunDigitizer.h"
-#include "AliSegmentation.h"
-
-
-
-
-static Int_t sMaxIterPad=0;    // Static variables for the pad-hit iterator routines
-static Int_t sCurIterPad=0;
+#include <AliStack.h>
+#include <AliMagF.h>
+#include <AliRun.h>
+#include <AliRunDigitizer.h>
+#include <AliMC.h>
+#include <TVirtualMC.h>
  
-ClassImp(AliRICH)
-    
-//___________________________________________
+ClassImp(AliRICHhit)
+//__________________________________________________________________________________________________
+void AliRICHhit::Print(Option_t*)const
+{
+  ::Info("hit","Ch=%1i, TID=%6i, eloss=%9.3f eV, in-out dist=%9.4f, OUT(%7.2f,%7.2f,%7.2f)"
+      ,fChamber,fTrack,fEloss*1e9,Length(),fOutX3.X(),fOutX3.Y(),fOutX3.Z());
+}
+//__________________________________________________________________________________________________
+ClassImp(AliRICHdigit)
+//__________________________________________________________________________________________________
+void AliRICHdigit::Print(Option_t*)const
+{
+  ::Info("digit","csxy=%6i, cfm=%9i, c=%2i, x=%3i, y=%3i, q=%8.3f, TID1=%5i, TID2=%5i, TID3=%5i",
+                  Id(),fChFbMip,fChamber,fPadX,fPadY,fQdc,fTracks[0],fTracks[1],fTracks[2]);
+}
+//__________________________________________________________________________________________________
+ClassImp(AliRICHcluster)
+//__________________________________________________________________________________________________
+void AliRICHcluster::Print(Option_t*)const
+{
+  ::Info("cluster","CombiPid=%10i, c=%2i, size=%6i, dim=%5i, x=%7.3f, y=%7.3f, Q=%6i, st=%i",
+           fCombiPid,fChamber,fSize,fDimXY,fX,fY,fQdc,fStatus);
+}
+//__________________________________________________________________________________________________
+ClassImp(AliRICHreco)
+//__________________________________________________________________________________________________
+void AliRICHreco::Print(Option_t*)const
+{
+  ::Info("reco","ThetaCherenkov=%9.6f, Nphotons=%4i, TID=%9i",fThetaCherenkov,fNphotons,fTid);
+}
+//__________________________________________________________________________________________________
+ClassImp(AliRICH)    
+//__________________________________________________________________________________________________
 // RICH manager class   
-//Begin_Html
+//BEGIN_HTML
 /*
   <img src="gif/alirich.gif">
 */
-//End_Html
-
+//END_HTML
+//__________________________________________________________________________________________________
 AliRICH::AliRICH()
-{
-// Default ctor should not contain any new operators
-
-    fIshunt     = 0;
-    fHits       = 0;
-    fSDigits    = 0;
-    fNSDigits   = 0;
-    fNcerenkovs = 0;
-    fDchambers  = 0;
-    fRecHits1D = 0;
-    fRecHits3D = 0;
-    fRawClusters = 0;
-    fChambers = 0;
-    fCerenkovs  = 0;
-    for (Int_t i=0; i<7; i++){
-       fNdch[i]       = 0;
-       fNrawch[i]     = 0;
-       fNrechits1D[i] = 0;
-       fNrechits3D[i] = 0;
-    }
-
-    fFileName = 0;
-    fMerger = 0;
+        :AliDetector() 
+{
+//Default ctor should not contain any new operators
+  fpParam     =0;
+  fChambers   =0;   
+//AliDetector ctor deals with Hits and Digits  
+  fSdigits    =0; fNsdigits   =0;
+  fDigitsNew  =0; for(int i=0;i<kNCH;i++) fNdigitsNew[i]  =0;
+  fClusters   =0; for(int i=0;i<kNCH;i++) fNclusters[i]=0;
+  fRecos      =0; fNrecos     =0;
 }//AliRICH::AliRICH()
-
+//__________________________________________________________________________________________________
 AliRICH::AliRICH(const char *name, const char *title)
-    : AliDetector(name,title)
-{
-// Named ctor
-   cout<<ClassName()<<"::named ctor(sName,sTitle)>\n"; // no way to control it as ctor is called before call to SetDebugXXXX()
-          
-    fHits       = new TClonesArray("AliRICHHit",1000  );
-    gAlice->AddHitList(fHits);
-    fSDigits    = new TClonesArray("AliRICHSDigit",100000);
-    fCerenkovs  = new TClonesArray("AliRICHCerenkov",1000);
-    gAlice->AddHitList(fCerenkovs);
-    fNSDigits   = 0;
-    fNcerenkovs = 0;
-    fIshunt     = 0;
-    
-    //fNdch      = new Int_t[kNCH];
-    
-    fDchambers = new TObjArray(kNCH);
-
-    fRecHits1D = new TObjArray(kNCH);
-    fRecHits3D = new TObjArray(kNCH);
-    
-    Int_t i;
-   
-    for (i=0; i<kNCH ;i++) {
-      //PH     (*fDchambers)[i] = new TClonesArray("AliRICHDigit",10000); 
-       fDchambers->AddAt(new TClonesArray("AliRICHDigit",10000), i); 
-       fNdch[i]=0;
-    }
-
-    //fNrawch      = new Int_t[kNCH];
-    
-    fRawClusters = new TObjArray(kNCH);
-    //printf("Created fRwClusters with adress:%p",fRawClusters);
-
-    for (i=0; i<kNCH ;i++) {
-      //PH      (*fRawClusters)[i] = new TClonesArray("AliRICHRawCluster",10000); 
-      fRawClusters->AddAt(new TClonesArray("AliRICHRawCluster",10000), i); 
-      fNrawch[i]=0;
-    }
-
-    //fNrechits      = new Int_t[kNCH];
-    
-    for (i=0; i<kNCH ;i++) {
-      //PH      (*fRecHits1D)[i] = new TClonesArray("AliRICHRecHit1D",1000);
-      fRecHits1D->AddAt(new TClonesArray("AliRICHRecHit1D",1000), i);
-    }
-    for (i=0; i<kNCH ;i++) {
-      //PH      (*fRecHits3D)[i] = new TClonesArray("AliRICHRecHit3D",1000);
-      fRecHits3D->AddAt(new TClonesArray("AliRICHRecHit3D",1000), i);
-    }
-    //printf("Created fRecHits with adress:%p",fRecHits);
-
-        
-    SetMarkerColor(kRed);
-    
-    /*fChambers = new TObjArray(kNCH);
-    for (i=0; i<kNCH; i++) 
-      (*fChambers)[i] = new AliRICHChamber();*/  
-    
-    fFileName = 0;
-    fMerger = 0;
-}
-
-AliRICH::AliRICH(const AliRICH& RICH)
-{
-// Copy ctor
-}
-
-
+        :AliDetector(name,title)
+{
+//Named ctor
+  if(GetDebug())Info("named ctor","Start.");
+  fpParam     =   new AliRICHParam;
+  fChambers = 0;  CreateChambers();
+//AliDetector ctor deals with Hits and Digits (reset them to 0, does not create them)
+  fHits=       0;     CreateHits();          gAlice->GetMCApp()->AddHitList(fHits);
+  fSdigits=    0;
+  fDigitsNew=  0;
+  fClusters=   0;
+  fRecos      =0;
+  if(GetDebug())Info("named ctor","Stop.");
+}//AliRICH::AliRICH(const char *name, const char *title)
+//__________________________________________________________________________________________________
 AliRICH::~AliRICH()
 {
-// Dtor of RICH manager class
-   if(IsDebugStart()) cout<<ClassName()<<"::default dtor()>\n";
-
-    fIshunt  = 0;
-    delete fHits;
-    delete fSDigits;
-    delete fCerenkovs;
-    
-    //PH Delete TObjArrays
-    if (fChambers) {
-      fChambers->Delete();
-      delete fChambers;
-    }
-    if (fDchambers) {
-      fDchambers->Delete();
-      delete fDchambers;
-    }
-    if (fRawClusters) {
-      fRawClusters->Delete();
-      delete fRawClusters;
-    }
-    if (fRecHits1D) {
-      fRecHits1D->Delete();
-      delete fRecHits1D;
-    }
-    if (fRecHits3D) {
-      fRecHits3D->Delete();
-      delete fRecHits3D;
-    }                     
-    
-}
-
-
-//_____________________________________________________________________________
-Int_t AliRICH::Hits2SDigits(Float_t xhit,Float_t yhit,Float_t eloss, Int_t idvol, ResponseType res)
-{
-//  Calls the charge disintegration method of the current chamber and adds
-//  the simulated cluster to the root tree 
-   if(IsDebugHit()||IsDebugDigit()) cout<<ClassName()<<"::Hits2SDigits(...)>\n";
-   
-   Int_t clhits[5];
-   Float_t newclust[4][500];
-   Int_t nnew;
-    
-//
-//  Integrated pulse height on chamber
-    
-    clhits[0]=fNhits+1;
-
-    ((AliRICHChamber*)fChambers->At(idvol))->DisIntegration(eloss, xhit, yhit, nnew, newclust, res);
-    Int_t ic=0;
-    
-//
-//  Add new clusters
-    for (Int_t i=0; i<nnew; i++) {
-       if (Int_t(newclust[0][i]) > 0) {
-           ic++;
-//  Cluster Charge
-           clhits[1] = Int_t(newclust[0][i]);
-//  Pad: ix
-           clhits[2] = Int_t(newclust[1][i]);
-//  Pad: iy 
-           clhits[3] = Int_t(newclust[2][i]);
-//  Pad: chamber sector
-           clhits[4] = Int_t(newclust[3][i]);
-
-           //printf(" %d %d %d %d %d\n",  clhits[0],  clhits[1],  clhits[2],  clhits[3],  clhits[4]);
-           
-           AddSDigit(clhits);
-       }
-    }
-    
-   if (gAlice->TreeS()){
-       gAlice->TreeS()->Fill();
-       gAlice->TreeS()->Write(0,TObject::kOverwrite);
-       //printf("Filled SDigits...\n");
-   }
-    
-   return nnew;
-}//Int_t AliRICH::Hits2SDigits(Float_t xhit,Float_t yhit,Float_t eloss, Int_t idvol, ResponseType res)
+//dtor
+  if(GetDebug()) Info("dtor","Start.");
 
+  if(fpParam)    delete fpParam;
+  if(fChambers)  delete fChambers;
+  
+  if(fHits)      delete fHits;
+  if(fSdigits)   delete fSdigits;
+  if(fDigits)    delete fDigits;
+  if(fDigitsNew) {fDigitsNew->Delete();   delete fDigitsNew;}
+  if(fClusters)  {fClusters->Delete();    delete fClusters;}
+  if(fRecos)     delete fRecos;
+  if(GetDebug()) Info("dtor","Stop.");    
+}//AliRICH::~AliRICH()
+//__________________________________________________________________________________________________
 void AliRICH::Hits2SDigits()
 {
-// Dummy: sdigits are created during transport.
-// Called from alirun.   
-   if(IsDebugHit()||IsDebugDigit()) cout<<ClassName()<<"::Hits2SDigits()>\n";
-
-
-  int nparticles = gAlice->GetNtrack();
-  cout << "Particles (RICH):" <<nparticles<<endl;
-  if (nparticles > 0) printf("SDigits were already generated.\n");
-
-}
+// Create a list of sdigits corresponding to list of hits. Every hit generates one or more sdigits.
+//   
+  if(GetDebug()) Info("Hit2SDigits","Start.");
 
-//___________________________________________
-void AliRICH::SDigits2Digits(Int_t nev, Int_t flag)
-{
-// Generate digits.
-// Called from macro. Multiple events, more functionality.   
-   if(IsDebugDigit()) cout<<ClassName()<<"::SDigits2Digits()>\n";
+  AliLoader * richLoader = GetLoader();
+  AliRunLoader * runLoader = GetLoader()->GetRunLoader();
 
-   //AliRICHChamber*       iChamber;
-  
-   //printf("Generating tresholds...\n");
+  for(Int_t iEventN=0;iEventN<GetLoader()->GetRunLoader()->GetAliRun()->GetEventsPerRun();iEventN++){//events loop
+    runLoader->GetEvent(iEventN);
   
-   //for(Int_t i=0;i<7;i++) {
-   //iChamber = &(Chamber(i));
-   //iChamber->GenerateTresholds();
-   //}
-  
-   //int nparticles = gAlice->GetNtrack();
-   //cout << "Particles (RICH):" <<nparticles<<endl;
-   //if (nparticles <= 0) return;
-   //if (!fMerger) {
-   //fMerger = new AliRICHMerger();
-   //}
-
-
-   //fMerger->Init();
-   //fMerger->Digitise(nev,flag);
-
-   AliRunDigitizer * manager = new AliRunDigitizer(1,1);
-   manager->SetInputStream(0,"galice.root");
-   //AliRICHDigitizer *dRICH  = new AliRICHDigitizer(manager);
-   manager->Exec("deb");
-
-}
-//___________________________________________
-void AliRICH::SDigits2Digits()
-{
-  SDigits2Digits(0,0);
-}
-//___________________________________________
-void AliRICH::Digits2Reco()
-{
-// Generate clusters
-// Called from alirun, single event only.     
-   if(IsDebugDigit()||IsDebugReco()) cout<<ClassName()<<"::Digits2Reco()>\n";
-
-
-  int nparticles = gAlice->GetNtrack();
-  cout << "Particles (RICH):" <<nparticles<<endl;
-  if (nparticles > 0) FindClusters(0,0);
-
-}  
-
-void AliRICH::AddHit(Int_t track, Int_t *vol, Float_t *hits)
-{
-// Adds the current hit to the RICH hits list
-   if(IsDebugHit()) cout<<ClassName()<<"::AddHit(...)>\n";
-
-    TClonesArray &lhits = *fHits;
-    new(lhits[fNhits++]) AliRICHHit(fIshunt,track,vol,hits);
-}
-
-void AliRICH::AddCerenkov(Int_t track, Int_t *vol, Float_t *cerenkovs)
-{
-// Adds a RICH cerenkov hit to the Cerenkov Hits list   
-   if(IsDebugHit()) cout<<ClassName()<<"::AddCerenkov()>\n";
-
-    TClonesArray &lcerenkovs = *fCerenkovs;
-    new(lcerenkovs[fNcerenkovs++]) AliRICHCerenkov(fIshunt,track,vol,cerenkovs);
-}
-
-void AliRICH::AddSDigit(Int_t *aSDigit)
-{
-// Adds the current S digit to the RICH list of S digits   
-   if(IsDebugDigit()) cout<<ClassName()<<"::AddSDigit()>\n";
-
-  TClonesArray &lSDigits = *fSDigits;
-  new(lSDigits[fNSDigits++]) AliRICHSDigit(aSDigit);
-} 
-
-
-void AliRICH::AddDigits(Int_t id, Int_t *tracks, Int_t *charges, Int_t *digits)
-{
-// Add a RICH digit to the list   
-   if(IsDebugDigit()) cout<<ClassName()<<"::AddDigit()>\n";
-
-   TClonesArray &ldigits = *((TClonesArray*)fDchambers->At(id));
-   new(ldigits[fNdch[id]++]) AliRICHDigit(tracks,charges,digits);
-}
-
-void AliRICH::AddRawCluster(Int_t id, const AliRICHRawCluster& c)
-{
-// Add a RICH digit to the list
-   
-   if(IsDebugStart())
-      cout<<ClassName()<<"::AddRawCluster()>\n";
-
-  //PH    TClonesArray &lrawcl = *((TClonesArray*)(*fRawClusters)[id]);
-    TClonesArray &lrawcl = *((TClonesArray*)fRawClusters->At(id));
-    new(lrawcl[fNrawch[id]++]) AliRICHRawCluster(c);
-}
-
-//_____________________________________________________________________________
-void AliRICH::AddRecHit1D(Int_t id, Float_t *rechit, Float_t *photons, Int_t *padsx, Int_t* padsy)
-{
+    if (!richLoader->TreeH()) richLoader->LoadHits();
+    if (!runLoader->TreeE()) runLoader->LoadHeader(); 
+    if (!runLoader->TreeK()) runLoader->LoadKinematics();//from
+    if (!richLoader->TreeS()) richLoader->MakeTree("S"); MakeBranch("S");//to
+          
+    for(Int_t iPrimN=0;iPrimN<GetLoader()->TreeH()->GetEntries();iPrimN++){//prims loop
+      richLoader->TreeH()->GetEntry(iPrimN);
+      for(Int_t iHitN=0;iHitN<Hits()->GetEntries();iHitN++){//hits loop 
+        AliRICHhit *pHit=(AliRICHhit*)Hits()->At(iHitN);                
+        TVector2 x2 = P()->ShiftToWirePos(C(pHit->C())->Glob2Loc(pHit->OutX3()));                
+        Int_t iTotQdc=P()->TotQdc(x2,pHit->Eloss());
+        if(iTotQdc==0) continue;
+        Int_t iPadXmin,iPadXmax,iPadYmin,iPadYmax;
+        P()->Loc2Area(x2,iPadXmin,iPadYmin,iPadXmax,iPadYmax);//determine affected pads
+        if(GetDebug()) Info("Hits2SDigits","left-down=(%i,%i) right-up=(%i,%i)",iPadXmin,iPadYmin,iPadXmax,iPadYmax);
+        for(Int_t iPadY=iPadYmin;iPadY<=iPadYmax;iPadY++)//affected pads loop
+          for(Int_t iPadX=iPadXmin;iPadX<=iPadXmax;iPadX++){
+            Double_t padQdc=iTotQdc*P()->FracQdc(x2,iPadX,iPadY);
+            if(padQdc>0.1) AddSDigit(pHit->C(),iPadX,iPadY,padQdc,
+              runLoader->Stack()->Particle(pHit->GetTrack())->GetPdgCode(),pHit->GetTrack());
+          }//affected pads loop 
+      }//hits loop
+    }//prims loop
+    richLoader->TreeS()->Fill();
+    richLoader->WriteSDigits("OVERWRITE");
+    ResetSDigits();
+  }//events loop  
+  richLoader->UnloadHits();
+  runLoader->UnloadHeader();
+  runLoader->UnloadKinematics();
+  GetLoader()->UnloadSDigits();  
+  if(GetDebug()) Info("Hit2SDigits","Stop.");
+}//Hits2SDigits()
+//__________________________________________________________________________________________________
+void AliRICH::BuildGeometry() 
+{
+//Builds a TNode geometry for event display
+  if(GetDebug())Info("BuildGeometry","Start.");
   
-  //
-  // Add a RICH reconstructed hit to the list
-  //
-
-  //PH    TClonesArray &lrec1D = *((TClonesArray*)(*fRecHits1D)[id]);
-    TClonesArray &lrec1D = *((TClonesArray*)fRecHits1D->At(id));
-    new(lrec1D[fNrechits1D[id]++]) AliRICHRecHit1D(id,rechit,photons,padsx,padsy);
-}
-
-//_____________________________________________________________________________
-void AliRICH::AddRecHit3D(Int_t id, Float_t *rechit, Float_t omega, Float_t theta, Float_t phi)
-{
-// Add a RICH reconstructed hit to the list
-
-    TClonesArray &lrec3D = *((TClonesArray*)fRecHits3D->At(id));
-    new(lrec3D[fNrechits3D[id]++]) AliRICHRecHit3D(id,rechit,omega,theta,phi);
-}
-
-//___________________________________________
-void AliRICH::BuildGeometry()
-    
-{
+  TNode *node, *subnode, *top;
+  top=gAlice->GetGeometry()->GetNode("alice");
   
-  //
-  // Builds a TNode geometry for event display
-  //
-    TNode *node, *subnode, *top;
-    
-    const int kColorRICH = kRed;
-    //
-    top=gAlice->GetGeometry()->GetNode("alice");
-
-    AliRICH *pRICH = (AliRICH *) gAlice->GetDetector("RICH"); 
-    AliRICHSegmentationV0*  segmentation;
-    AliRICHChamber*       iChamber;
-    AliRICHGeometry*  geometry;
-    iChamber = &(pRICH->Chamber(0));
-    segmentation=(AliRICHSegmentationV0*) iChamber->GetSegmentationModel();
-    geometry=iChamber->GetGeometryModel();
-    
-    new TBRIK("S_RICH","S_RICH","void",71.09999,11.5,73.15);
+  new TBRIK("S_RICH","S_RICH","void",71.09999,11.5,73.15);
 
-    Float_t padplane_width = segmentation->GetPadPlaneWidth();
-    Float_t padplane_length = segmentation->GetPadPlaneLength();
-
-    //printf("\n\n\n\n\n In BuildGeometry() npx: %d, npy: %d, dpx: %f, dpy:%f\n\n\n\n\n\n",segmentation->Npx(),segmentation->Npy(),segmentation->Dpx(),segmentation->Dpy());
-
-    new TBRIK("PHOTO","PHOTO","void", padplane_width/2,.1,padplane_length/2);
-
-    //printf("\n\n\n\n\n Padplane   w: %f l: %f \n\n\n\n\n", padplane_width/2,padplane_length/2);
-    //printf("\n\n\n\n\n Padplane   w: %f l: %f \n\n\n\n\n", segmentation->GetPadPlaneWidth(), segmentation->GetPadPlaneLength());
+  Float_t wid=P()->SectorSizeX();
+  Float_t len=P()->SectorSizeY();
+  new TBRIK("PHOTO","PHOTO","void",wid/2,0.1,len/2);
   
-    Float_t offset       = 490 + 1.276 - geometry->GetGapThickness()/2;        //distance from center of mother volume to methane
-    Float_t deltaphi     = 19.5;                                               //phi angle between center of chambers - z direction
-    Float_t deltatheta   = 20;                                                 //theta angle between center of chambers - x direction
-    Float_t cosphi       = TMath::Cos(deltaphi*TMath::Pi()/180);
-    Float_t sinphi       = TMath::Sin(deltaphi*TMath::Pi()/180);
-    Float_t costheta     = TMath::Cos(deltatheta*TMath::Pi()/180);
-    Float_t sintheta     = TMath::Sin(deltatheta*TMath::Pi()/180);
-
-    //printf("\n\n%f %f %f %f %f %f %f\n\n",offset,deltatheta,deltaphi,cosphi,costheta,sinphi,sintheta);
-    
-    new TRotMatrix("rot993","rot993",90., 0.               , 90. - deltaphi, 90.             , deltaphi, -90.           );
-    new TRotMatrix("rot994","rot994",90., -deltatheta      , 90.           , 90.- deltatheta , 0.      , 0.             );
-    new TRotMatrix("rot995","rot995",90., 0.               , 90.           , 90.             , 0.      , 0.             );
-    new TRotMatrix("rot996","rot996",90.,  deltatheta      , 90.           , 90 + deltatheta , 0.      , 0.             );
-    new TRotMatrix("rot997","rot997",90., 360. - deltatheta, 108.2         , 90.- deltatheta ,18.2     , 90 - deltatheta);
-    new TRotMatrix("rot998","rot998",90., 0.               , 90 + deltaphi , 90.             , deltaphi, 90.            );
-    new TRotMatrix("rot999","rot999",90., deltatheta       , 108.2         , 90.+ deltatheta ,18.2     , 90 + deltatheta);
-    
-    Float_t pos1[3]={0.                , offset*cosphi         , offset*sinphi};
-    Float_t pos2[3]={offset*sintheta   , offset*costheta       , 0. };
-    Float_t pos3[3]={0.                , offset                , 0.};
-    Float_t pos4[3]={-offset*sintheta  , offset*costheta       , 0.};
-    Float_t pos5[3]={offset*sinphi     , offset*costheta*cosphi, -offset*sinphi};
-    Float_t pos6[3]={0.                , offset*cosphi         , -offset*sinphi};
-    Float_t pos7[3]={ -offset*sinphi   , offset*costheta*cosphi, -offset*sinphi};
-
-
+  for(int i=1;i<=kNCH;i++){
     top->cd();
-    //Float_t pos1[3]={0,471.8999,165.2599};
-    //Chamber(0).SetChamberTransform(pos1[0],pos1[1],pos1[2],
-    //new TRotMatrix("rot993","rot993",90,0,70.69,90,19.30999,-90);
-    node = new TNode("RICH1","RICH1","S_RICH",pos1[0],pos1[1],pos1[2],"rot993");
-    node->SetLineColor(kColorRICH);
+    node = new TNode(Form("RICH%i",i),Form("RICH%i",i),"S_RICH",C(i)->X(),C(i)->Y(),C(i)->Z(),C(i)->RotMatrixName());
+    node->SetLineColor(kRed);
     node->cd();
-    subnode = new TNode("PHOTO1","PHOTO1","PHOTO",padplane_width + segmentation->DeadZone(),5,padplane_length/2 + segmentation->DeadZone()/2,"");
+    subnode = new TNode("PHOTO1","PHOTO1","PHOTO",wid+P()->DeadZone(),5,len/2+P()->DeadZone()/2,"");
     subnode->SetLineColor(kGreen);
     fNodes->Add(subnode);
-    subnode = new TNode("PHOTO1","PHOTO1","PHOTO",0,5,padplane_length/2 + segmentation->DeadZone()/2,"");
+    subnode = new TNode("PHOTO1","PHOTO1","PHOTO",0,5,len/2+P()->DeadZone()/2,"");
     subnode->SetLineColor(kGreen);
     fNodes->Add(subnode);
-    subnode = new TNode("PHOTO1","PHOTO1","PHOTO",-padplane_width - segmentation->DeadZone(),5,padplane_length/2 + segmentation->DeadZone()/2,"");
+    subnode = new TNode("PHOTO1","PHOTO1","PHOTO",-wid-P()->DeadZone(),5,len/2+P()->DeadZone()/2,"");
     subnode->SetLineColor(kGreen);
     fNodes->Add(subnode);
-    subnode = new TNode("PHOTO1","PHOTO1","PHOTO",padplane_width + segmentation->DeadZone(),5,-padplane_length/2 - segmentation->DeadZone()/2,"");
+    subnode = new TNode("PHOTO1","PHOTO1","PHOTO",wid+P()->DeadZone(),5,-len/2-P()->DeadZone()/2,"");
     subnode->SetLineColor(kGreen);
     fNodes->Add(subnode);
-    subnode = new TNode("PHOTO1","PHOTO1","PHOTO",0,5,-padplane_length/2 - segmentation->DeadZone()/2,"");
+    subnode = new TNode("PHOTO1","PHOTO1","PHOTO",0,5,-len/2 -P()->DeadZone()/2,"");
     subnode->SetLineColor(kGreen);
     fNodes->Add(subnode);
-    subnode = new TNode("PHOTO1","PHOTO1","PHOTO",-padplane_width - segmentation->DeadZone(),5,-padplane_length/2 - segmentation->DeadZone()/2,"");
+    subnode = new TNode("PHOTO1","PHOTO1","PHOTO",-wid-P()->DeadZone(),5,-len/2 - P()->DeadZone()/2,"");
     subnode->SetLineColor(kGreen);
     fNodes->Add(subnode);
     fNodes->Add(node);
+  }  
+  if(GetDebug())Info("BuildGeometry","Stop.");    
+}//void AliRICH::BuildGeometry()
 
+//______________________________________________________________________________
+void AliRICH::CreateMaterials()
+{
+    //
+    // *** DEFINITION OF AVAILABLE RICH MATERIALS *** 
+  
+#include "Opticals.h"
+        
+  Float_t a=0,z=0,den=0,radl=0,absl=0;
+  Float_t tmaxfd=-10.0, deemax=-0.2, stemax=-0.1,epsil=0.001, stmin=-0.001; 
+  Int_t   isxfld = gAlice->Field()->Integ();
+  Float_t sxmgmx = gAlice->Field()->Max();
+    
+  AliMaterial( 1, "Air     $",a=14.61,z=7.3, den=0.001205,radl=30420.0,absl=67500);//(Air)
+  AliMedium(1, "DEFAULT MEDIUM AIR$", 1, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
+  
+  AliMaterial( 6, "HON",      a=12.01,z=6.0, den=0.1,     radl=18.8,   absl=0);    //(C)-equivalent radl
+  AliMedium(2, "HONEYCOMB$", 6, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
+  
+  AliMaterial(16, "CSI",      a=12.01,z=6.0, den=0.1,     radl=18.8,   absl=0);    //CsI-radl equivalent
+  AliMedium(kCSI, "CSI$", 16, 1, isxfld, sxmgmx,tmaxfd, stemax, deemax, epsil, stmin);
+  
+  AliMaterial(11, "GRI",      a=63.54,z=29.0,den=8.96,    radl=1.43,   absl=0);    //anode grid (Cu) 
+  AliMedium(7, "GRID$", 11, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
+  
+  AliMaterial(50, "ALUM",     a=26.98,z=13.0,den=2.7,     radl=8.9,    absl=0);    //aluminium sheet (Al)
+  AliMedium(10, "ALUMINUM$", 50, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
+  
+  AliMaterial(31, "COPPER$",  a=63.54,z=29.0,den=8.96,    radl=1.4,    absl=0);    //(Cu)
+  AliMedium(12, "PCB_COPPER", 31, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
+  
+  Float_t  aQuartz[2]={28.09,16.0};  Float_t  zQuartz[2]={14.00, 8.0};  Float_t  wmatQuartz[2]={1,2};
+  AliMixture (20, "QUA",aQuartz,zQuartz,den=2.64,-2, wmatQuartz);//Quarz (SiO2) - trasnparent 
+  AliMedium(3, "QUARTZ$", 20, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
+  
+  AliMixture (21, "QUAO",aQuartz, zQuartz, den=2.64, -2, wmatQuartz);//Quarz (SiO2) - opaque
+  AliMedium(8, "QUARTZO$", 21, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
+  
+  Float_t  aFreon[2]={12,19};  Float_t  zFreon[2]={6,9};  Float_t wmatFreon[2]={6,14};
+  AliMixture (30, "FRE",aFreon,zFreon,den=1.7,-2,wmatFreon);//Freon (C6F14) 
+  AliMedium(4, "FREON$", 30, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
+  
+  Float_t aMethane[2]={12.01,1}; Float_t zMethane[2]={6,1}; Float_t wmatMethane[2]={1,4};
+  AliMixture (40, "MET", aMethane, zMethane, den=7.17e-4,-2, wmatMethane);//methane (CH4)     
+  AliMedium(5, "METHANE$", 40, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
+  
+  AliMixture (41, "METG", aMethane, zMethane, den=7.17e-4, -2, wmatMethane);
+  AliMedium(kGAP, "GAP$", 41, 1, isxfld, sxmgmx,tmaxfd, 0.1, -deemax, epsil, -stmin);
+  
+  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};
+  AliMixture (32, "GLASS",aGlass, zGlass, den=1.74, 5, wGlass);//Glass 50%C+10.5%Si+35.5%O+3% + 1%
+  AliMedium(11, "GLASS", 32, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
+            
+  Int_t *idtmed = fIdtmed->GetArray()-999;
+  gMC->SetCerenkov(idtmed[1000], kNbins, aPckov, aAbsCH4,    aQeAll, aIdxCH4);
+  gMC->SetCerenkov(idtmed[1001], kNbins, aPckov, aAbsCH4,    aQeAll, aIdxCH4);
+  gMC->SetCerenkov(idtmed[1002], kNbins, aPckov, aAbsSiO2,   aQeAll, aIdxSiO2);
+  gMC->SetCerenkov(idtmed[1003], kNbins, aPckov, aAbsC6F14,  aQeAll, aIdxC6F14);
+  gMC->SetCerenkov(idtmed[1004], kNbins, aPckov, aAbsCH4,    aQeAll, aIdxCH4);
+  gMC->SetCerenkov(idtmed[1005], kNbins, aPckov, aAbsCsI,    aQeCsI, aIdxCH4);
+  gMC->SetCerenkov(idtmed[1006], kNbins, aPckov, aAbsGrid,   aQeAll, aIdxGrid);
+  gMC->SetCerenkov(idtmed[1007], kNbins, aPckov, aAbsOpSiO2, aQeAll, aIdxOpSiO2);
+  gMC->SetCerenkov(idtmed[1008], kNbins, aPckov, aAbsCH4,    aQeAll, aIdxCH4);
+  gMC->SetCerenkov(idtmed[1009], kNbins, aPckov, aAbsGrid,   aQeAll, aIdxGrid);
+  gMC->SetCerenkov(idtmed[1010], kNbins, aPckov, aAbsOpSiO2, aQeAll, aIdxOpSiO2);
+    
+}//void AliRICH::CreateMaterials()
+//__________________________________________________________________________________________________
+Float_t AliRICH::Fresnel(Float_t ene,Float_t pdoti, Bool_t pola)const
+{
 
-    top->cd(); 
-    //Float_t pos2[3]={171,470,0};
-    //Chamber(1).SetChamberTransform(pos2[0],pos2[1],pos2[2],
-    //new TRotMatrix("rot994","rot994",90,-20,90,70,0,0);
-    node = new TNode("RICH2","RICH2","S_RICH",pos2[0],pos2[1],pos2[2],"rot994");
-    node->SetLineColor(kColorRICH);
-    node->cd();
-    subnode = new TNode("PHOTO1","PHOTO1","PHOTO",padplane_width + segmentation->DeadZone(),5,padplane_length/2 + segmentation->DeadZone()/2,"");
-    subnode->SetLineColor(kGreen);
-    fNodes->Add(subnode);
-    subnode = new TNode("PHOTO1","PHOTO1","PHOTO",0,5,padplane_length/2 + segmentation->DeadZone()/2,"");
-    subnode->SetLineColor(kGreen);
-    fNodes->Add(subnode);
-    subnode = new TNode("PHOTO1","PHOTO1","PHOTO",-padplane_width - segmentation->DeadZone(),5,padplane_length/2 + segmentation->DeadZone()/2,"");
-    subnode->SetLineColor(kGreen);
-    fNodes->Add(subnode);
-    subnode = new TNode("PHOTO1","PHOTO1","PHOTO",padplane_width + segmentation->DeadZone(),5,-padplane_length/2 - segmentation->DeadZone()/2,"");
-    subnode->SetLineColor(kGreen);
-    fNodes->Add(subnode);
-    subnode = new TNode("PHOTO1","PHOTO1","PHOTO",0,5,-padplane_length/2 - segmentation->DeadZone()/2,"");
-    subnode->SetLineColor(kGreen);
-    fNodes->Add(subnode);
-    subnode = new TNode("PHOTO1","PHOTO1","PHOTO",-padplane_width - segmentation->DeadZone(),5,-padplane_length/2 - segmentation->DeadZone()/2,"");
-    subnode->SetLineColor(kGreen);
-    fNodes->Add(subnode);
-    fNodes->Add(node);
+    //ENE(EV), PDOTI=COS(INC.ANG.), PDOTR=COS(POL.PLANE ROT.ANG.)
+    
+    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,
+                     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,
+                     7.8,7.9,8.0,8.1,8.2,8.3,8.4,8.5};
+    Float_t csin[36] = {2.14,2.21,2.33,2.48,2.76,2.97,2.99,2.59,2.81,3.05,
+                       2.86,2.53,2.55,2.66,2.79,2.96,3.18,3.05,2.84,2.81,2.38,2.11,
+                       2.01,2.13,2.39,2.73,3.08,3.15,2.95,2.73,2.56,2.41,2.12,1.95,
+                       1.72,1.53};
+    Float_t csik[36] = {0.,0.,0.,0.,0.,0.196,0.408,0.208,0.118,0.49,0.784,0.543,
+                       0.424,0.404,0.371,0.514,0.922,1.102,1.139,1.376,1.461,1.253,0.878,
+                       0.69,0.612,0.649,0.824,1.347,1.571,1.678,1.763,1.857,1.824,1.824,
+                       1.714,1.498};
+    Float_t xe=ene;
+    Int_t  j=Int_t(xe*10)-49;
+    Float_t cn=csin[j]+((csin[j+1]-csin[j])/0.1)*(xe-en[j]);
+    Float_t ck=csik[j]+((csik[j+1]-csik[j])/0.1)*(xe-en[j]);
 
+    //FORMULAE FROM HANDBOOK OF OPTICS, 33.23 OR
+    //W.R. HUNTER, J.O.S.A. 54 (1964),15 , J.O.S.A. 55(1965),1197
 
-    top->cd();
-    //Float_t pos3[3]={0,500,0};
-    //Chamber(2).SetChamberTransform(pos3[0],pos3[1],pos3[2],
-    //new TRotMatrix("rot995","rot995",90,0,90,90,0,0);
-    node = new TNode("RICH3","RICH3","S_RICH",pos3[0],pos3[1],pos3[2],"rot995");
-    node->SetLineColor(kColorRICH);
-    node->cd();
-    subnode = new TNode("PHOTO1","PHOTO1","PHOTO",padplane_width + segmentation->DeadZone(),5,padplane_length/2 + segmentation->DeadZone()/2,"");
-    subnode->SetLineColor(kGreen);
-    fNodes->Add(subnode);
-    subnode = new TNode("PHOTO1","PHOTO1","PHOTO",0,5,padplane_length/2 + segmentation->DeadZone()/2,"");
-    subnode->SetLineColor(kGreen);
-    fNodes->Add(subnode);
-    subnode = new TNode("PHOTO1","PHOTO1","PHOTO",-padplane_width - segmentation->DeadZone(),5,padplane_length/2 + segmentation->DeadZone()/2,"");
-    subnode->SetLineColor(kGreen);
-    fNodes->Add(subnode);
-    subnode = new TNode("PHOTO1","PHOTO1","PHOTO",padplane_width + segmentation->DeadZone(),5,-padplane_length/2 - segmentation->DeadZone()/2,"");
-    subnode->SetLineColor(kGreen);
-    fNodes->Add(subnode);
-    subnode = new TNode("PHOTO1","PHOTO1","PHOTO",0,5,-padplane_length/2 - segmentation->DeadZone()/2,"");
-    subnode->SetLineColor(kGreen);
-    fNodes->Add(subnode);
-    subnode = new TNode("PHOTO1","PHOTO1","PHOTO",-padplane_width - segmentation->DeadZone(),5,-padplane_length/2 - segmentation->DeadZone()/2,"");
-    subnode->SetLineColor(kGreen);
-    fNodes->Add(subnode);
-    fNodes->Add(node);
-
-    top->cd();
-    //Float_t pos4[3]={-171,470,0};
-    //Chamber(3).SetChamberTransform(pos4[0],pos4[1],pos4[2], 
-    //new TRotMatrix("rot996","rot996",90,20,90,110,0,0);  
-    node = new TNode("RICH4","RICH4","S_RICH",pos4[0],pos4[1],pos4[2],"rot996");
-    node->SetLineColor(kColorRICH);
-    node->cd();
-    subnode = new TNode("PHOTO1","PHOTO1","PHOTO",padplane_width + segmentation->DeadZone(),5,padplane_length/2 + segmentation->DeadZone()/2,"");
-    subnode->SetLineColor(kGreen);
-    fNodes->Add(subnode);
-    subnode = new TNode("PHOTO1","PHOTO1","PHOTO",0,5,padplane_length/2 + segmentation->DeadZone()/2,"");
-    subnode->SetLineColor(kGreen);
-    fNodes->Add(subnode);
-    subnode = new TNode("PHOTO1","PHOTO1","PHOTO",-padplane_width - segmentation->DeadZone(),5,padplane_length/2 + segmentation->DeadZone()/2,"");
-    subnode->SetLineColor(kGreen);
-    fNodes->Add(subnode);
-    subnode = new TNode("PHOTO1","PHOTO1","PHOTO",padplane_width + segmentation->DeadZone(),5,-padplane_length/2 - segmentation->DeadZone()/2,"");
-    subnode->SetLineColor(kGreen);
-    fNodes->Add(subnode);
-    subnode = new TNode("PHOTO1","PHOTO1","PHOTO",0,5,-padplane_length/2 - segmentation->DeadZone()/2,"");
-    subnode->SetLineColor(kGreen);
-    fNodes->Add(subnode);
-    subnode = new TNode("PHOTO1","PHOTO1","PHOTO",-padplane_width - segmentation->DeadZone(),5,-padplane_length/2 - segmentation->DeadZone()/2,"");
-    subnode->SetLineColor(kGreen);
-    fNodes->Add(subnode);
-    fNodes->Add(node);
-
-
-    top->cd();
-    //Float_t pos5[3]={161.3999,443.3999,-165.3};
-    //Chamber(4).SetChamberTransform(pos5[0],pos5[1],pos5[2],
-    //new TRotMatrix("rot997","rot997",90,340,108.1999,70,18.2,70);
-    node = new TNode("RICH5","RICH5","S_RICH",pos5[0],pos5[1],pos5[2],"rot997");
-    node->SetLineColor(kColorRICH);
-    node->cd();
-    subnode = new TNode("PHOTO1","PHOTO1","PHOTO",padplane_width + segmentation->DeadZone(),5,padplane_length/2 + segmentation->DeadZone()/2,"");
-    subnode->SetLineColor(kGreen);
-    fNodes->Add(subnode);
-    subnode = new TNode("PHOTO1","PHOTO1","PHOTO",0,5,padplane_length/2 + segmentation->DeadZone()/2,"");
-    subnode->SetLineColor(kGreen);
-    fNodes->Add(subnode);
-    subnode = new TNode("PHOTO1","PHOTO1","PHOTO",-padplane_width - segmentation->DeadZone(),5,padplane_length/2 + segmentation->DeadZone()/2,"");
-    subnode->SetLineColor(kGreen);
-    fNodes->Add(subnode);
-    subnode = new TNode("PHOTO1","PHOTO1","PHOTO",padplane_width + segmentation->DeadZone(),5,-padplane_length/2 - segmentation->DeadZone()/2,"");
-    subnode->SetLineColor(kGreen);
-    fNodes->Add(subnode);
-    subnode = new TNode("PHOTO1","PHOTO1","PHOTO",0,5,-padplane_length/2 - segmentation->DeadZone()/2,"");
-    subnode->SetLineColor(kGreen);
-    fNodes->Add(subnode);
-    subnode = new TNode("PHOTO1","PHOTO1","PHOTO",-padplane_width - segmentation->DeadZone(),5,-padplane_length/2 - segmentation->DeadZone()/2,"");
-    subnode->SetLineColor(kGreen);
-    fNodes->Add(subnode);
-    fNodes->Add(node);
-
-
-    top->cd();
-    //Float_t pos6[3]={0., 471.9, -165.3,};
-    //Chamber(5).SetChamberTransform(pos6[0],pos6[1],pos6[2],
-    //new TRotMatrix("rot998","rot998",90,0,109.3099,90,19.30999,90);
-    node = new TNode("RICH6","RICH6","S_RICH",pos6[0],pos6[1],pos6[2],"rot998");
-    node->SetLineColor(kColorRICH);
-    fNodes->Add(node);node->cd();
-    subnode = new TNode("PHOTO1","PHOTO1","PHOTO",padplane_width + segmentation->DeadZone(),5,padplane_length/2 + segmentation->DeadZone()/2,"");
-    subnode->SetLineColor(kGreen);
-    fNodes->Add(subnode);
-    subnode = new TNode("PHOTO1","PHOTO1","PHOTO",0,5,padplane_length/2 + segmentation->DeadZone()/2,"");
-    subnode->SetLineColor(kGreen);
-    fNodes->Add(subnode);
-    subnode = new TNode("PHOTO1","PHOTO1","PHOTO",-padplane_width - segmentation->DeadZone(),5,padplane_length/2 + segmentation->DeadZone()/2,"");
-    subnode->SetLineColor(kGreen);
-    fNodes->Add(subnode);
-    subnode = new TNode("PHOTO1","PHOTO1","PHOTO",padplane_width + segmentation->DeadZone(),5,-padplane_length/2 - segmentation->DeadZone()/2,"");
-    subnode->SetLineColor(kGreen);
-    fNodes->Add(subnode);
-    subnode = new TNode("PHOTO1","PHOTO1","PHOTO",0,5,-padplane_length/2 - segmentation->DeadZone()/2,"");
-    subnode->SetLineColor(kGreen);
-    fNodes->Add(subnode);
-    subnode = new TNode("PHOTO1","PHOTO1","PHOTO",-padplane_width - segmentation->DeadZone(),5,-padplane_length/2 - segmentation->DeadZone()/2,"");
-    subnode->SetLineColor(kGreen);
-    fNodes->Add(subnode);
-
-
-    top->cd();
-    //Float_t pos7[3]={-161.399,443.3999,-165.3};
-    //Chamber(6).SetChamberTransform(pos7[0],pos7[1],pos7[2],
-    //new TRotMatrix("rot999","rot999",90,20,108.1999,110,18.2,110);
-    node = new TNode("RICH7","RICH7","S_RICH",pos7[0],pos7[1],pos7[2],"rot999");
-    node->SetLineColor(kColorRICH);
-    node->cd();
-    subnode = new TNode("PHOTO1","PHOTO1","PHOTO",padplane_width + segmentation->DeadZone(),5,padplane_length/2 + segmentation->DeadZone()/2,"");
-    subnode->SetLineColor(kGreen);
-    fNodes->Add(subnode);
-    subnode = new TNode("PHOTO1","PHOTO1","PHOTO",0,5,padplane_length/2 + segmentation->DeadZone()/2,"");
-    subnode->SetLineColor(kGreen);
-    fNodes->Add(subnode);
-    subnode = new TNode("PHOTO1","PHOTO1","PHOTO",-padplane_width - segmentation->DeadZone(),5,padplane_length/2 + segmentation->DeadZone()/2,"");
-    subnode->SetLineColor(kGreen);
-    fNodes->Add(subnode);
-    subnode = new TNode("PHOTO1","PHOTO1","PHOTO",padplane_width + segmentation->DeadZone(),5,-padplane_length/2 - segmentation->DeadZone()/2,"");
-    subnode->SetLineColor(kGreen);
-    fNodes->Add(subnode);
-    subnode = new TNode("PHOTO1","PHOTO1","PHOTO",0,5,-padplane_length/2 - segmentation->DeadZone()/2,"");
-    subnode->SetLineColor(kGreen);
-    fNodes->Add(subnode);
-    subnode = new TNode("PHOTO1","PHOTO1","PHOTO",-padplane_width - segmentation->DeadZone(),5,-padplane_length/2 - segmentation->DeadZone()/2,"");
-    subnode->SetLineColor(kGreen);
-    fNodes->Add(subnode);
-    fNodes->Add(node); 
-    
-}
-
-//___________________________________________
-void AliRICH::CreateGeometry()
-{
-    //
-    // Create the geometry for RICH version 1
-    //
-    // Modified by:  N. Colonna (INFN - BARI, Nicola.Colonna@ba.infn.it) 
-    //               R.A. Fini  (INFN - BARI, Rosanna.Fini@ba.infn.it) 
-    //               R.A. Loconsole (Bari University, loco@riscom.ba.infn.it) 
-    //
-    //Begin_Html
-    /*
-      <img src="picts/AliRICHv1.gif">
-    */
-    //End_Html
-    //Begin_Html
-    /*
-      <img src="picts/AliRICHv1Tree.gif">
-    */
-    //End_Html
-
-  AliRICH *pRICH = (AliRICH *) gAlice->GetDetector("RICH"); 
-  AliRICHSegmentationV0*  segmentation;
-  AliRICHGeometry*  geometry;
-  AliRICHChamber*       iChamber;
-
-  iChamber = &(pRICH->Chamber(0));
-  segmentation=(AliRICHSegmentationV0*) iChamber->GetSegmentationModel();
-  geometry=iChamber->GetGeometryModel();
-
-  Float_t distance;
-  distance = geometry->GetFreonThickness()/2 + geometry->GetQuartzThickness() + geometry->GetGapThickness();
-  geometry->SetRadiatorToPads(distance);
-    
-  //Opaque quartz thickness
-  Float_t oqua_thickness = .5;
-  //CsI dimensions
-
-  //Float_t csi_length = 160*.8 + 2.6;
-  //Float_t csi_width = 144*.84 + 2*2.6;
-
-  Float_t csi_width = segmentation->Npx()*segmentation->Dpx() + segmentation->DeadZone();
-  Float_t csi_length = segmentation->Npy()*segmentation->Dpy() + 2*segmentation->DeadZone();
-  
-  //printf("\n\n\n\n\n In CreateGeometry() npx: %d, npy: %d, dpx: %f, dpy:%f  deadzone: %f \n\n\n\n\n\n",segmentation->Npx(),segmentation->Npy(),segmentation->Dpx(),segmentation->Dpy(),segmentation->DeadZone());
-  
-  Int_t *idtmed = fIdtmed->GetArray()-999;
-    
-    Int_t i;
-    Float_t zs;
-    Int_t idrotm[1099];
-    Float_t par[3];
-    
-    // --- Define the RICH detector 
-    //     External aluminium box 
-    par[0] = 68.8;
-    par[1] = 13;                 //Original Settings
-    par[2] = 70.86;
-    /*par[0] = 73.15;
-    par[1] = 11.5;
-    par[2] = 71.1;*/
-    gMC->Gsvolu("RICH", "BOX ", idtmed[1009], par, 3);
-    
-    //     Air 
-    par[0] = 66.3;
-    par[1] = 13;                 //Original Settings
-    par[2] = 68.35;
-    /*par[0] = 66.55;
-    par[1] = 11.5;
-    par[2] = 64.8;*/
-    gMC->Gsvolu("SRIC", "BOX ", idtmed[1000], par, 3);
-    
-    //    Air 2 (cutting the lower part of the box)
-    
-    par[0] = 1.25;
-    par[1] = 3;                 //Original Settings
-    par[2] = 70.86;
-    gMC->Gsvolu("AIR2", "BOX ", idtmed[1000], par, 3);
-
-    //    Air 3 (cutting the lower part of the box)
-    
-    par[0] = 66.3;
-    par[1] = 3;                 //Original Settings
-    par[2] = 1.2505;
-    gMC->Gsvolu("AIR3", "BOX ", idtmed[1000], par, 3);
-    
-    //     Honeycomb 
-    par[0] = 66.3;
-    par[1] = .188;                 //Original Settings
-    par[2] = 68.35;
-    /*par[0] = 66.55;
-    par[1] = .188;
-    par[2] = 63.1;*/
-    gMC->Gsvolu("HONE", "BOX ", idtmed[1001], par, 3);
-    
-    //     Aluminium sheet 
-    par[0] = 66.3;
-    par[1] = .025;                 //Original Settings
-    par[2] = 68.35;
-    /*par[0] = 66.5;
-    par[1] = .025;
-    par[2] = 63.1;*/
-    gMC->Gsvolu("ALUM", "BOX ", idtmed[1009], par, 3);
-    
-    //     Quartz 
-    par[0] = geometry->GetQuartzWidth()/2;
-    par[1] = geometry->GetQuartzThickness()/2;
-    par[2] = geometry->GetQuartzLength()/2;
-    /*par[0] = 63.1;
-    par[1] = .25;                  //Original Settings
-    par[2] = 65.5;*/
-    /*par[0] = geometry->GetQuartzWidth()/2;
-    par[1] = geometry->GetQuartzThickness()/2;
-    par[2] = geometry->GetQuartzLength()/2;*/
-    //printf("\n\n\n\n\n\n\n\\n\n\n\n Gap Thickness: %f %f %f\n\n\n\n\n\n\n\n\n\n\n\n\n\n",par[0],par[1],par[2]);
-    gMC->Gsvolu("QUAR", "BOX ", idtmed[1002], par, 3);
-    
-    //     Spacers (cylinders) 
-    par[0] = 0.;
-    par[1] = .5;
-    par[2] = geometry->GetFreonThickness()/2;
-    gMC->Gsvolu("SPAC", "TUBE", idtmed[1002], par, 3);
-    
-    //     Feet (freon slabs supports)
-
-    par[0] = .7;
-    par[1] = .3;
-    par[2] = 1.9;
-    gMC->Gsvolu("FOOT", "BOX", idtmed[1009], par, 3);
-
-    //     Opaque quartz 
-    par[0] = geometry->GetQuartzWidth()/2;
-    par[1] = .2;
-    par[2] = geometry->GetQuartzLength()/2;
-    /*par[0] = 61.95;
-    par[1] = .2;                   //Original Settings
-    par[2] = 66.5;*/
-    /*par[0] = 66.5;
-    par[1] = .2;
-    par[2] = 61.95;*/
-    gMC->Gsvolu("OQUA", "BOX ", idtmed[1007], par, 3);
-  
-    //     Frame of opaque quartz
-    par[0] = geometry->GetOuterFreonWidth()/2;
-    //+ oqua_thickness;
-    par[1] = geometry->GetFreonThickness()/2;
-    par[2] = geometry->GetOuterFreonLength()/2; 
-    //+ oqua_thickness; 
-    /*par[0] = 20.65;
-    par[1] = .5;                   //Original Settings
-    par[2] = 66.5;*/
-    /*par[0] = 66.5;
-    par[1] = .5;
-    par[2] = 20.65;*/
-    gMC->Gsvolu("OQF1", "BOX ", idtmed[1007], par, 3);
-
-    par[0] = geometry->GetInnerFreonWidth()/2;
-    par[1] = geometry->GetFreonThickness()/2;
-    par[2] = geometry->GetInnerFreonLength()/2; 
-    gMC->Gsvolu("OQF2", "BOX ", idtmed[1007], par, 3);
-    
-    //     Little bar of opaque quartz 
-    //par[0] = .275;
-    //par[1] = geometry->GetQuartzThickness()/2;
-    //par[2] = geometry->GetInnerFreonLength()/2 - 2.4; 
-    //par[2] = geometry->GetInnerFreonLength()/2;
-    //+ oqua_thickness;
-    /*par[0] = .275;
-    par[1] = .25;                   //Original Settings
-    par[2] = 63.1;*/
-    /*par[0] = 63.1;
-    par[1] = .25;
-    par[2] = .275;*/
-    //gMC->Gsvolu("BARR", "BOX ", idtmed[1007], par, 3);
-    
-    //     Freon 
-    par[0] = geometry->GetOuterFreonWidth()/2 - oqua_thickness;
-    par[1] = geometry->GetFreonThickness()/2;
-    par[2] = geometry->GetOuterFreonLength()/2 - 2*oqua_thickness; 
-    /*par[0] = 20.15;
-    par[1] = .5;                   //Original Settings
-    par[2] = 65.5;*/
-    /*par[0] = 65.5;
-    par[1] = .5;
-    par[2] = 20.15;*/
-    gMC->Gsvolu("FRE1", "BOX ", idtmed[1003], par, 3);
-
-    par[0] = geometry->GetInnerFreonWidth()/2 - oqua_thickness;
-    par[1] = geometry->GetFreonThickness()/2;
-    par[2] = geometry->GetInnerFreonLength()/2 - 2*oqua_thickness; 
-    gMC->Gsvolu("FRE2", "BOX ", idtmed[1003], par, 3);
-    
-    //     Methane 
-    //par[0] = 64.8;
-    par[0] = csi_width/2;
-    par[1] = geometry->GetGapThickness()/2;
-    //printf("\n\n\n\n\n\n\n\\n\n\n\n Gap Thickness: %f\n\n\n\n\n\n\n\n\n\n\n\n\n\n",par[1]);
-    //par[2] = 64.8;
-    par[2] = csi_length/2;
-    gMC->Gsvolu("META", "BOX ", idtmed[1004], par, 3);
-    
-    //     Methane gap 
-    //par[0] = 64.8;
-    par[0] = csi_width/2;
-    par[1] = geometry->GetProximityGapThickness()/2;
-    //printf("\n\n\n\n\n\n\n\\n\n\n\n Gap Thickness: %f\n\n\n\n\n\n\n\n\n\n\n\n\n\n",par[1]);
-    //par[2] = 64.8;
-    par[2] = csi_length/2;
-    gMC->Gsvolu("GAP ", "BOX ", idtmed[1008], par, 3);
-    
-    //     CsI photocathode 
-    //par[0] = 64.8;
-    par[0] = csi_width/2;
-    par[1] = .25;
-    //par[2] = 64.8;
-    par[2] = csi_length/2;
-    gMC->Gsvolu("CSI ", "BOX ", idtmed[1005], par, 3);
-    
-    //     Anode grid 
-    par[0] = 0.;
-    par[1] = .001;
-    par[2] = 20.;
-    gMC->Gsvolu("GRID", "TUBE", idtmed[1006], par, 3);
-
-    // Wire supports
-    // Bar of metal
-    
-    par[0] = csi_width/2;
-    par[1] = 1.05;
-    par[2] = 1.05;
-    gMC->Gsvolu("WSMe", "BOX ", idtmed[1009], par, 3);
-
-    // Ceramic pick up (base)
-    
-    par[0] =  csi_width/2;
-    par[1] = .25;
-    par[2] = 1.05;
-    gMC->Gsvolu("WSG1", "BOX ", idtmed[1010], par, 3);
-
-    // Ceramic pick up (head)
-
-    par[0] = csi_width/2;
-    par[1] = .1;
-    par[2] = .1;
-    gMC->Gsvolu("WSG2", "BOX ", idtmed[1010], par, 3);
-
-    // Aluminium supports for methane and CsI
-    // Short bar
-
-    par[0] = csi_width/2;
-    par[1] = geometry->GetGapThickness()/2 + .25;
-    par[2] = (68.35 - csi_length/2)/2;
-    gMC->Gsvolu("SMSH", "BOX", idtmed[1009], par, 3);
-    
-    // Long bar
-
-    par[0] = (66.3 - csi_width/2)/2;
-    par[1] = geometry->GetGapThickness()/2 + .25;
-    par[2] = csi_length/2 + 68.35 - csi_length/2;
-    gMC->Gsvolu("SMLG", "BOX", idtmed[1009], par, 3);
-    
-    // Aluminium supports for freon
-    // Short bar
-
-    par[0] = geometry->GetQuartzWidth()/2;
-    par[1] = .3;
-    par[2] = (68.35 - geometry->GetQuartzLength()/2)/2;
-    gMC->Gsvolu("SFSH", "BOX", idtmed[1009], par, 3);
-    
-    // Long bar
-
-    par[0] = (66.3 - geometry->GetQuartzWidth()/2)/2;
-    par[1] = .3;
-    par[2] = geometry->GetQuartzLength()/2 + 68.35 - geometry->GetQuartzLength()/2;
-    gMC->Gsvolu("SFLG", "BOX", idtmed[1009], par, 3);
-    
-    // PCB backplane
-    
-    par[0] = csi_width/2;
-    par[1] = .25;
-    par[2] = csi_length/4 -.5025;
-    gMC->Gsvolu("PCB ", "BOX", idtmed[1011], par, 3);
-
-    
-    // Backplane supports
-
-    // Aluminium slab
-    
-    par[0] = 33.15;
-    par[1] = 2;
-    par[2] = 21.65;
-    gMC->Gsvolu("BACK", "BOX", idtmed[1009], par, 3);
-    
-    // Big hole
-    
-    par[0] = 9.05;
-    par[1] = 2;
-    par[2] = 4.4625;
-    gMC->Gsvolu("BKHL", "BOX", idtmed[1000], par, 3);
-
-    // Small hole
-    
-    par[0] = 5.7;
-    par[1] = 2;
-    par[2] = 4.4625;
-    gMC->Gsvolu("BKHS", "BOX", idtmed[1000], par, 3);
-
-    // Place holes inside backplane support
-
-    gMC->Gspos("BKHS", 1, "BACK", .8 + 5.7,0., .6 + 4.4625, 0, "ONLY");
-    gMC->Gspos("BKHS", 2, "BACK", -.8 - 5.7,0., .6 + 4.4625, 0, "ONLY");
-    gMC->Gspos("BKHS", 3, "BACK", .8 + 5.7,0., -.6 - 4.4625, 0, "ONLY");
-    gMC->Gspos("BKHS", 4, "BACK", -.8 - 5.7,0., -.6 - 4.4625, 0, "ONLY");
-    gMC->Gspos("BKHS", 5, "BACK", .8 + 5.7,0., .6 + 8.925 + 1.2 + 4.4625, 0, "ONLY");
-    gMC->Gspos("BKHS", 6, "BACK", -.8 - 5.7,0., .6 + 8.925 + 1.2 + 4.4625, 0, "ONLY");
-    gMC->Gspos("BKHS", 7, "BACK", .8 + 5.7,0., -.6 - 8.925 - 1.2 - 4.4625, 0, "ONLY");
-    gMC->Gspos("BKHS", 8, "BACK", -.8 - 5.7,0., -.6 - 8.925 - 1.2 - 4.4625, 0, "ONLY");
-    gMC->Gspos("BKHL", 1, "BACK", .8 + 11.4 + 1.6 + 9.05, 0., .6 + 4.4625, 0, "ONLY");
-    gMC->Gspos("BKHL", 2, "BACK", -.8 - 11.4 - 1.6 - 9.05, 0., .6 + 4.4625, 0, "ONLY");
-    gMC->Gspos("BKHL", 3, "BACK", .8 + 11.4 + 1.6 + 9.05, 0., -.6 - 4.4625, 0, "ONLY");
-    gMC->Gspos("BKHL", 4, "BACK", -.8 - 11.4 - 1.6 - 9.05, 0., -.6 - 4.4625, 0, "ONLY");
-    gMC->Gspos("BKHL", 5, "BACK", .8 + 11.4+ 1.6 + 9.05, 0., .6 + 8.925 + 1.2 + 4.4625, 0, "ONLY");
-    gMC->Gspos("BKHL", 6, "BACK", -.8 - 11.4 - 1.6 - 9.05, 0., .6 + 8.925 + 1.2 + 4.4625, 0, "ONLY");
-    gMC->Gspos("BKHL", 7, "BACK", .8 + 11.4 + 1.6 + 9.05, 0., -.6 - 8.925 - 1.2 - 4.4625, 0, "ONLY");
-    gMC->Gspos("BKHL", 8, "BACK", -.8 - 11.4 - 1.6 - 9.05, 0., -.6 - 8.925 - 1.2 - 4.4625, 0, "ONLY");
-
-    
-  
-    // --- Places the detectors defined with GSVOLU 
-    //     Place material inside RICH 
-    gMC->Gspos("SRIC", 1, "RICH", 0.,0., 0., 0, "ONLY");
-    gMC->Gspos("AIR2", 1, "RICH", 66.3 + 1.2505, 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()- .4 - .6 - .05 - .376 -.5 - 3.35, 0., 0, "ONLY");
-    gMC->Gspos("AIR2", 2, "RICH", -66.3 - 1.2505, 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()- .4 - .6 - .05 - .376 -.5 - 3.35, 0., 0, "ONLY");
-    gMC->Gspos("AIR3", 1, "RICH", 0.,  1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()- .4 - .6 - .05 - .376 -.5 - 3.35, -68.35 - 1.25, 0, "ONLY");
-    gMC->Gspos("AIR3", 2, "RICH", 0., 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()- .4 - .6 - .05 - .376 -.5 - 3.35,  68.35 + 1.25, 0, "ONLY");
-    
-      
-    gMC->Gspos("ALUM", 1, "SRIC", 0., 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()- .4 - .6 - .05 - .376 -.025, 0., 0, "ONLY");
-    gMC->Gspos("HONE", 1, "SRIC", 0., 1.276- geometry->GetGapThickness()/2  - geometry->GetQuartzThickness() - geometry->GetFreonThickness()- .4 - .6 - .05 - .188, 0., 0, "ONLY");
-    gMC->Gspos("ALUM", 2, "SRIC", 0., 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()- .4 - .6 - .025, 0., 0, "ONLY");
-    gMC->Gspos("FOOT", 1, "SRIC", 64.95, 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()- .4 - .3, 36.9, 0, "ONLY");
-    gMC->Gspos("FOOT", 2, "SRIC", 21.65, 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()- .4 - .3 , 36.9, 0, "ONLY");
-    gMC->Gspos("FOOT", 3, "SRIC", -21.65, 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()- .4 - .3, 36.9, 0, "ONLY");
-    gMC->Gspos("FOOT", 4, "SRIC", -64.95, 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()- .4 - .3, 36.9, 0, "ONLY");
-    gMC->Gspos("FOOT", 5, "SRIC", 64.95, 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()- .4 - .3, -36.9, 0, "ONLY");
-    gMC->Gspos("FOOT", 6, "SRIC", 21.65, 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()- .4 - .3, -36.9, 0, "ONLY");
-    gMC->Gspos("FOOT", 7, "SRIC", -21.65, 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()- .4 - .3, -36.9, 0, "ONLY");
-    gMC->Gspos("FOOT", 8, "SRIC", -64.95, 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()- .4 - .3, -36.9, 0, "ONLY");
-    gMC->Gspos("OQUA", 1, "SRIC", 0., 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()- .2, 0., 0, "ONLY");
-    
-    // Supports placing
-
-    // Methane supports
-    gMC->Gspos("SMLG", 1, "SRIC", csi_width/2 + (66.3 - csi_width/2)/2, 1.276 + .25, 0., 0, "ONLY");
-    gMC->Gspos("SMLG", 2, "SRIC", - csi_width/2 - (66.3 - csi_width/2)/2, 1.276 + .25, 0., 0, "ONLY");
-    gMC->Gspos("SMSH", 1, "SRIC", 0., 1.276 + .25, csi_length/2 + (68.35 - csi_length/2)/2, 0, "ONLY");
-    gMC->Gspos("SMSH", 2, "SRIC", 0., 1.276 + .25, - csi_length/2 - (68.35 - csi_length/2)/2, 0, "ONLY");
-
-    //Freon supports
-
-    Float_t supp_y = 1.276 - geometry->GetGapThickness()/2- geometry->GetQuartzThickness() -geometry->GetFreonThickness() - .2 + .3; //y position of freon supports
-
-    gMC->Gspos("SFLG", 1, "SRIC", geometry->GetQuartzWidth()/2 + (66.3 - geometry->GetQuartzWidth()/2)/2, supp_y, 0., 0, "ONLY");
-    gMC->Gspos("SFLG", 2, "SRIC", - geometry->GetQuartzWidth()/2 - (66.3 - geometry->GetQuartzWidth()/2)/2, supp_y, 0., 0, "ONLY");
-    gMC->Gspos("SFSH", 1, "SRIC", 0., supp_y, geometry->GetQuartzLength()/2 + (68.35 - geometry->GetQuartzLength()/2)/2, 0, "ONLY");
-    gMC->Gspos("SFSH", 2, "SRIC", 0., supp_y, - geometry->GetQuartzLength()/2 - (68.35 - geometry->GetQuartzLength()/2)/2, 0, "ONLY");
-    
-    AliMatrix(idrotm[1019], 0., 0., 90., 0., 90., 90.);
-    
-     //Placing of the spacers inside the freon slabs
-
-    Int_t nspacers = 30;
-    //printf("\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n Spacers:%d\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n",nspacers); 
-
-    //printf("Nspacers: %d", nspacers);
-    
-    for (i = 0; i < nspacers/3; i++) {
-       zs = -11.6/2 + (TMath::Abs(nspacers/6) - i) * 12.2;
-       gMC->Gspos("SPAC", i, "FRE1", 10.5, 0., zs, idrotm[1019], "ONLY");  //Original settings 
-    }
-    
-    for (i = nspacers/3; i < (nspacers*2)/3; i++) {
-       zs = -11.6/2 + (nspacers/3 + TMath::Abs(nspacers/6) - i) * 12.2;
-       gMC->Gspos("SPAC", i, "FRE1", 0, 0., zs, idrotm[1019], "ONLY");  //Original settings 
-    }
-    
-    for (i = (nspacers*2)/3; i < nspacers; ++i) {
-       zs = -11.6/2 + ((nspacers*2)/3 + TMath::Abs(nspacers/6) - i) * 12.2;
-       gMC->Gspos("SPAC", i, "FRE1", -10.5, 0., zs, idrotm[1019], "ONLY"); //Original settings  
-    }
-
-    for (i = 0; i < nspacers/3; i++) {
-       zs = -11.6/2 + (TMath::Abs(nspacers/6) - i) * 12.2;
-       gMC->Gspos("SPAC", i, "FRE2", 10.5, 0., zs, idrotm[1019], "ONLY");  //Original settings 
-    }
-    
-    for (i = nspacers/3; i < (nspacers*2)/3; i++) {
-       zs = -11.6/2 + (nspacers/3 + TMath::Abs(nspacers/6) - i) * 12.2;
-       gMC->Gspos("SPAC", i, "FRE2", 0, 0., zs, idrotm[1019], "ONLY");  //Original settings 
-    }
-    
-    for (i = (nspacers*2)/3; i < nspacers; ++i) {
-       zs = -11.6/2 + ((nspacers*2)/3 + TMath::Abs(nspacers/6) - i) * 12.2;
-       gMC->Gspos("SPAC", i, "FRE2", -10.5, 0., zs, idrotm[1019], "ONLY"); //Original settings  
-    }
-
-    
-    gMC->Gspos("FRE1", 1, "OQF1", 0., 0., 0., 0, "ONLY");
-    gMC->Gspos("FRE2", 1, "OQF2", 0., 0., 0., 0, "ONLY");
-    gMC->Gspos("OQF1", 1, "SRIC", geometry->GetOuterFreonWidth()/2 + geometry->GetInnerFreonWidth()/2 + 2, 1.276 - geometry->GetGapThickness()/2- geometry->GetQuartzThickness() -geometry->GetFreonThickness()/2, 0., 0, "ONLY"); //Original settings (31.3)
-//    printf("Opaque quartz in SRIC %f\n", 1.276 - geometry->GetGapThickness()/2- geometry->GetQuartzThickness() -geometry->GetFreonThickness()/2);
-    gMC->Gspos("OQF2", 2, "SRIC", 0., 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()/2, 0., 0, "ONLY");          //Original settings 
-    gMC->Gspos("OQF1", 3, "SRIC", - (geometry->GetOuterFreonWidth()/2 + geometry->GetInnerFreonWidth()/2) - 2, 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()/2, 0., 0, "ONLY");       //Original settings (-31.3)
-    //gMC->Gspos("BARR", 1, "QUAR", - geometry->GetInnerFreonWidth()/2 - oqua_thickness, 0., 0., 0, "ONLY");           //Original settings (-21.65) 
-    //gMC->Gspos("BARR", 2, "QUAR",  geometry->GetInnerFreonWidth()/2 + oqua_thickness, 0., 0., 0, "ONLY");            //Original settings (21.65)
-    gMC->Gspos("QUAR", 1, "SRIC", 0., 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness()/2, 0., 0, "ONLY");
-    gMC->Gspos("GAP ", 1, "META", 0., geometry->GetGapThickness()/2 - geometry->GetProximityGapThickness()/2 - 0.0001, 0., 0, "ONLY");
-    gMC->Gspos("META", 1, "SRIC", 0., 1.276, 0., 0, "ONLY");
-    gMC->Gspos("CSI ", 1, "SRIC", 0., 1.276 + geometry->GetGapThickness()/2 + .25, 0., 0, "ONLY");
-    printf("CSI pos: %f\n",1.276 + geometry->GetGapThickness()/2 + .25);
-   
-    // Wire support placing
-
-    gMC->Gspos("WSG2", 1, "GAP ", 0., geometry->GetProximityGapThickness()/2 - .1, 0., 0, "ONLY");
-    gMC->Gspos("WSG1", 1, "CSI ", 0., 0., 0., 0, "ONLY");
-    gMC->Gspos("WSMe", 1, "SRIC ", 0., 1.276 + geometry->GetGapThickness()/2 + .5 + 1.05, 0., 0, "ONLY");
-
-    // Backplane placing
-    
-    gMC->Gspos("BACK", 1, "SRIC ", -33.15, 1.276 + geometry->GetGapThickness()/2 + .5 + 2.1 + 2, 43.3, 0, "ONLY");
-    gMC->Gspos("BACK", 2, "SRIC ", 33.15, 1.276 + geometry->GetGapThickness()/2 + .5 + 2.1 + 2 , 43.3, 0, "ONLY");
-    gMC->Gspos("BACK", 3, "SRIC ", -33.15, 1.276 + geometry->GetGapThickness()/2 + .5 + 2.1 + 2, 0., 0, "ONLY");
-    gMC->Gspos("BACK", 4, "SRIC ", 33.15, 1.276 + geometry->GetGapThickness()/2 + .5 + 2.1 + 2, 0., 0, "ONLY");
-    gMC->Gspos("BACK", 5, "SRIC ", 33.15, 1.276 + geometry->GetGapThickness()/2 + .5 + 2.1 + 2, -43.3, 0, "ONLY");
-    gMC->Gspos("BACK", 6, "SRIC ", -33.15, 1.276 + geometry->GetGapThickness()/2 + .5 + 2.1 + 2, -43.3, 0, "ONLY");
-
-    // PCB placing
-    
-    gMC->Gspos("PCB ", 1, "SRIC ", 0.,  1.276 + geometry->GetGapThickness()/2 + .5 + 1.05, csi_width/4 + .5025 + 2.5, 0, "ONLY");
-    gMC->Gspos("PCB ", 2, "SRIC ", 0.,  1.276 + geometry->GetGapThickness()/2 + .5 + 1.05, -csi_width/4 - .5025 - 2.5, 0, "ONLY");
-   
-    
-
-    //printf("Position of the gap: %f to %f\n", 1.276 + geometry->GetGapThickness()/2 - geometry->GetProximityGapThickness()/2 - .2, 1.276 + geometry->GetGapThickness()/2 - geometry->GetProximityGapThickness()/2 + .2);
-    
-    //     Place RICH inside ALICE apparatus 
-
-    /* old values
-
-      AliMatrix(idrotm[1000], 90., 0., 70.69, 90., 19.31, -90.);
-      AliMatrix(idrotm[1001], 90., -20., 90., 70., 0., 0.);
-      AliMatrix(idrotm[1002], 90., 0., 90., 90., 0., 0.);
-      AliMatrix(idrotm[1003], 90., 20., 90., 110., 0., 0.);
-      AliMatrix(idrotm[1004], 90., 340., 108.2, 70., 18.2, 70.);
-      AliMatrix(idrotm[1005], 90., 0., 109.31, 90., 19.31, 90.);
-      AliMatrix(idrotm[1006], 90., 20., 108.2, 110., 18.2, 110.);
-    
-      gMC->Gspos("RICH", 1, "ALIC", 0., 471.9, 165.26,     idrotm[1000], "ONLY");
-      gMC->Gspos("RICH", 2, "ALIC", 171., 470., 0.,        idrotm[1001], "ONLY");
-      gMC->Gspos("RICH", 3, "ALIC", 0., 500., 0.,          idrotm[1002], "ONLY");
-      gMC->Gspos("RICH", 4, "ALIC", -171., 470., 0.,       idrotm[1003], "ONLY");
-      gMC->Gspos("RICH", 5, "ALIC", 161.4, 443.4, -165.3,  idrotm[1004], "ONLY");
-      gMC->Gspos("RICH", 6, "ALIC", 0., 471.9, -165.3,     idrotm[1005], "ONLY");
-      gMC->Gspos("RICH", 7, "ALIC", -161.4, 443.4, -165.3, idrotm[1006], "ONLY");*/
-
-     // The placing of the chambers is measured from the vertex to the base of the methane vessel (490 cm)
-
-    Float_t offset       = 490 + 1.276 - geometry->GetGapThickness()/2;        //distance from center of mother volume to methane
-    Float_t deltaphi     = 19.5;                                               //phi angle between center of chambers - z direction
-    Float_t deltatheta   = 20;                                                 //theta angle between center of chambers - x direction
-    Float_t cosphi       = TMath::Cos(deltaphi*TMath::Pi()/180);
-    Float_t sinphi       = TMath::Sin(deltaphi*TMath::Pi()/180);
-    Float_t costheta     = TMath::Cos(deltatheta*TMath::Pi()/180);
-    Float_t sintheta     = TMath::Sin(deltatheta*TMath::Pi()/180);
-
-    //printf("\n\n%f %f %f %f %f %f %f\n\n",offset,deltatheta,deltaphi,cosphi,costheta,sinphi,sintheta);
-    
-    AliMatrix(idrotm[1000], 90., 0.               , 90. - deltaphi, 90.             , deltaphi, -90.           );
-    AliMatrix(idrotm[1001], 90., -deltatheta      , 90.           , 90.- deltatheta , 0.      , 0.             );
-    AliMatrix(idrotm[1002], 90., 0.               , 90.           , 90.             , 0.      , 0.             );
-    AliMatrix(idrotm[1003], 90.,  deltatheta      , 90.           , 90 + deltatheta , 0.      , 0.             );
-    AliMatrix(idrotm[1004], 90., 360. - deltatheta, 108.2         , 90.- deltatheta ,18.2     , 90 - deltatheta);
-    AliMatrix(idrotm[1005], 90., 0.               , 90 + deltaphi , 90.             , deltaphi, 90.            );
-    AliMatrix(idrotm[1006], 90., deltatheta       , 108.2         , 90.+ deltatheta ,18.2     , 90 + deltatheta);
-    
-    gMC->Gspos("RICH", 1, "ALIC", 0.                , offset*cosphi         , offset*sinphi ,idrotm[1000], "ONLY");
-    gMC->Gspos("RICH", 2, "ALIC", (offset)*sintheta , offset*costheta       , 0.            ,idrotm[1001], "ONLY");
-    gMC->Gspos("RICH", 3, "ALIC", 0.                , offset                , 0.            ,idrotm[1002], "ONLY");
-    gMC->Gspos("RICH", 4, "ALIC", -(offset)*sintheta, offset*costheta       , 0.            ,idrotm[1003], "ONLY");
-    gMC->Gspos("RICH", 5, "ALIC", (offset)*sinphi   , offset*costheta*cosphi, -offset*sinphi,idrotm[1004], "ONLY");
-    gMC->Gspos("RICH", 6, "ALIC", 0.                , offset*cosphi         , -offset*sinphi,idrotm[1005], "ONLY");
-    gMC->Gspos("RICH", 7, "ALIC", -(offset)*sinphi  , offset*costheta*cosphi, -offset*sinphi,idrotm[1006], "ONLY");
-    
-}
-
-
-//___________________________________________
-void AliRICH::CreateMaterials()
-{
-    //
-    // *** DEFINITION OF AVAILABLE RICH MATERIALS *** 
-    // ORIGIN    : NICK VAN EIJNDHOVEN 
-    // Modified by:  N. Colonna (INFN - BARI, Nicola.Colonna@ba.infn.it) 
-    //               R.A. Fini  (INFN - BARI, Rosanna.Fini@ba.infn.it) 
-    //               R.A. Loconsole (Bari University, loco@riscom.ba.infn.it) 
-    //
-    Int_t   isxfld = gAlice->Field()->Integ();
-    Float_t sxmgmx = gAlice->Field()->Max();
-    Int_t i;
-
-    /************************************Antonnelo's Values (14-vectors)*****************************************/
-    /*
-    Float_t ppckov[14] = { 5.63e-9,5.77e-9,5.9e-9,6.05e-9,6.2e-9,6.36e-9,6.52e-9,
-                          6.7e-9,6.88e-9,7.08e-9,7.3e-9,7.51e-9,7.74e-9,8e-9 };
-    Float_t rIndexQuarz[14] = { 1.528309,1.533333,
-                                1.538243,1.544223,1.550568,1.55777,
-                                1.565463,1.574765,1.584831,1.597027,
-                              1.611858,1.6277,1.6472,1.6724 };
-    Float_t rIndexOpaqueQuarz[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. };
-    Float_t rIndexMethane[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. };
-    Float_t rIndexGrid[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. };
-    Float_t abscoFreon[14] = { 179.0987,179.0987,
-                               179.0987,179.0987,179.0987,142.92,56.65,13.95,10.43,7.07,2.03,.5773,.33496,0. };
-    //Float_t abscoFreon[14] = { 1e-5,1e-5,1e-5,1e-5,1e-5,1e-5,1e-5,1e-5,1e-5,
-       //                       1e-5,1e-5,1e-5,1e-5,1e-5 };
-    Float_t abscoQuarz[14] = { 64.035,39.98,35.665,31.262,27.527,22.815,21.04,17.52,
-                               14.177,9.282,4.0925,1.149,.3627,.10857 };
-    Float_t abscoOpaqueQuarz[14] = { 1e-5,1e-5,1e-5,1e-5,1e-5,1e-5,1e-5,1e-5,1e-5,
-                                1e-5,1e-5,1e-5,1e-5,1e-5 };
-    Float_t abscoCsI[14] = { 1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,
-                             1e-4,1e-4,1e-4,1e-4 };
-    Float_t abscoMethane[14] = { 1e6,1e6,1e6,1e6,1e6,1e6,1e6,1e6,1e6,1e6,1e6,
-                                 1e6,1e6,1e6 };
-    Float_t abscoGrid[14] = { 1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,
-                             1e-4,1e-4,1e-4,1e-4 };
-    Float_t efficAll[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. };
-    Float_t efficCsI[14] = { 6e-4,.005,.0075,.01125,.045,.117,.135,.16575,
-                             .17425,.1785,.1836,.1904,.1938,.221 };
-    Float_t efficGrid[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. };
-    */
-   
-    
-    /**********************************End of Antonnelo's Values**********************************/
-    
-    /**********************************Values from rich_media.f (31-vectors)**********************************/
-    
-
-    //Photons energy intervals
-    Float_t ppckov[26];
-    for (i=0;i<26;i++) 
-    {
-       ppckov[i] = (Float_t(i)*0.1+5.5)*1e-9;
-       //printf ("Energy intervals: %e\n",ppckov[i]);
-    }
-    
-    
-    //Refraction index for quarz
-    Float_t rIndexQuarz[26];
-    Float_t  e1= 10.666;
-    Float_t  e2= 18.125;
-    Float_t  f1= 46.411;
-    Float_t  f2= 228.71;
-    for (i=0;i<26;i++)
-    {
-       Float_t ene=ppckov[i]*1e9;
-       Float_t a=f1/(e1*e1 - ene*ene);
-       Float_t b=f2/(e2*e2 - ene*ene);
-       rIndexQuarz[i] = TMath::Sqrt(1. + a + b );
-       //printf ("rIndexQuarz: %e\n",rIndexQuarz[i]);
-    } 
-    
-    //Refraction index for opaque quarz, methane and grid
-    Float_t rIndexOpaqueQuarz[26];
-    Float_t rIndexMethane[26];
-    Float_t rIndexGrid[26];
-    for (i=0;i<26;i++)
-    {
-       rIndexOpaqueQuarz[i]=1;
-       rIndexMethane[i]=1.000444;
-       rIndexGrid[i]=1;
-       //printf ("rIndexOpaqueQuarz , etc: %e, %e, %e\n",rIndexOpaqueQuarz[i], rIndexMethane[i], rIndexGrid[i]=1);
-    } 
-    
-    //Absorption index for freon
-    Float_t abscoFreon[26] = {179.0987, 179.0987, 179.0987, 179.0987, 179.0987,  179.0987, 179.0987, 179.0987, 
-                              179.0987, 142.9206, 56.64957, 25.58622, 13.95293, 12.03905, 10.42953, 8.804196, 
-                              7.069031, 4.461292, 2.028366, 1.293013, .577267,   .40746,  .334964, 0., 0., 0.};
-    
-    //Absorption index for quarz
-    /*Float_t Qzt [21] = {.0,.0,.005,.04,.35,.647,.769,.808,.829,.844,.853,.858,.869,.887,.903,.902,.902,
-                       .906,.907,.907,.907};
-    Float_t Wavl2[] = {150.,155.,160.0,165.0,170.0,175.0,180.0,185.0,190.0,195.0,200.0,205.0,210.0,
-                      215.0,220.0,225.0,230.0,235.0,240.0,245.0,250.0};                                 
-    Float_t abscoQuarz[31];         
-    for (Int_t i=0;i<31;i++)
-    {
-       Float_t Xlam = 1237.79 / (ppckov[i]*1e9);
-       if (Xlam <= 160) abscoQuarz[i] = 0;
-       if (Xlam > 250) abscoQuarz[i] = 1;
-       else 
-       {
-           for (Int_t j=0;j<21;j++)
-           {
-               //printf ("Passed\n");
-               if (Xlam > Wavl2[j] && Xlam < Wavl2[j+1])
-               {
-                   Float_t Dabs = (Qzt[j+1] - Qzt[j])/(Wavl2[j+1] - Wavl2[j]);
-                   Float_t Abso = Qzt[j] + Dabs*(Xlam - Wavl2[j]);
-                   abscoQuarz[i] = -5.0/(TMath::Log(Abso));
-               } 
-           }
-       }
-       printf ("abscoQuarz: %e abscoFreon: %e for energy: %e\n",abscoQuarz[i],abscoFreon[i],ppckov[i]);
-    }*/
-
-    /*Float_t abscoQuarz[31] = {49.64211, 48.41296, 47.46989, 46.50492, 45.13682, 44.47883, 43.1929 , 41.30922, 40.5943 ,
-                              39.82956, 38.98623, 38.6247 , 38.43448, 37.41084, 36.22575, 33.74852, 30.73901, 24.25086, 
-                              17.94531, 11.88753, 5.99128,  3.83503,  2.36661,  1.53155, 1.30582, 1.08574, .8779708, 
-                              .675275, 0., 0., 0.};
-    
-    for (Int_t i=0;i<31;i++)
-    {
-       abscoQuarz[i] = abscoQuarz[i]/10;
-    }*/
-
-    Float_t abscoQuarz [26] = {105.8, 65.52, 48.58, 42.85, 35.79, 31.262, 28.598, 27.527, 25.007, 22.815, 21.004,
-                               19.266, 17.525, 15.878, 14.177, 11.719, 9.282, 6.62, 4.0925, 2.601, 1.149, .667, .3627,
-                               .192, .1497, .10857};
-    
-    //Absorption index for methane
-    Float_t abscoMethane[26];
-    for (i=0;i<26;i++) 
-    {
-       abscoMethane[i]=AbsoCH4(ppckov[i]*1e9); 
-       //printf("abscoMethane: %e for energy: %e\n", abscoMethane[i],ppckov[i]*1e9);
-    }
-    
-    //Absorption index for opaque quarz, csi and grid, efficiency for all and grid
-    Float_t abscoOpaqueQuarz[26];
-    Float_t abscoCsI[26];
-    Float_t abscoGrid[26];
-    Float_t efficAll[26];
-    Float_t efficGrid[26];
-    for (i=0;i<26;i++)
-    { 
-       abscoOpaqueQuarz[i]=1e-5; 
-       abscoCsI[i]=1e-4; 
-       abscoGrid[i]=1e-4; 
-       efficAll[i]=1; 
-       efficGrid[i]=1;
-       //printf ("All must be 1: %e,  %e,  %e,  %e,  %e\n",abscoOpaqueQuarz[i],abscoCsI[i],abscoGrid[i],efficAll[i],efficGrid[i]);
-    } 
-    
-    //Efficiency for csi 
-    
-    Float_t efficCsI[26] = {0.000199999995, 0.000600000028, 0.000699999975, 0.00499999989, 0.00749999983, 0.010125,
-                            0.0242999997, 0.0405000001, 0.0688500032, 0.105299994, 0.121500008, 0.141749993, 0.157949999,
-                            0.162, 0.166050002, 0.167669997, 0.174299985, 0.176789999, 0.179279998, 0.182599992, 0.18592,
-                            0.187579989, 0.189239994, 0.190899998, 0.207499996, 0.215799987};
-       
-    
-
-    //FRESNEL LOSS CORRECTION FOR PERPENDICULAR INCIDENCE AND
-    //UNPOLARIZED PHOTONS
-
-    for (i=0;i<26;i++)
-    {
-       efficCsI[i] = efficCsI[i]/(1.-Fresnel(ppckov[i]*1e9,1.,0)); 
-       //printf ("Fresnel result: %e for energy: %e\n",Fresnel(ppckov[i]*1e9,1.,0),ppckov[i]*1e9);
-    }
-       
-    /*******************************************End of rich_media.f***************************************/
-
-  
-
-    
-    
-    
-    Float_t afre[2], agri, amet[2], aqua[2], ahon, zfre[2], zgri, zhon, 
-    zmet[2], zqua[2];
-    Int_t nlmatfre;
-    Float_t densquao;
-    Int_t nlmatmet, nlmatqua;
-    Float_t wmatquao[2], rIndexFreon[26];
-    Float_t aquao[2], epsil, stmin, zquao[2];
-    Int_t nlmatquao;
-    Float_t radlal, densal, tmaxfd, deemax, stemax;
-    Float_t aal, zal, radlgri, densfre, radlhon, densgri, denshon,densqua, densmet, wmatfre[2], wmatmet[2], wmatqua[2];
-    
-    Int_t *idtmed = fIdtmed->GetArray()-999;
-    
-    // --- Photon energy (GeV) 
-    // --- Refraction indexes 
-    for (i = 0; i < 26; ++i) {
-      rIndexFreon[i] = ppckov[i] * .0172 * 1e9 + 1.177;
-      //rIndexFreon[i] = 1;
-       //printf ("rIndexFreon: %e \n efficCsI: %e for energy: %e\n",rIndexFreon[i], efficCsI[i], ppckov[i]);
-    }
-            
-    // --- Detection efficiencies (quantum efficiency for CsI) 
-    // --- Define parameters for honeycomb. 
-    //     Used carbon of equivalent rad. lenght 
-    
-    ahon    = 12.01;
-    zhon    = 6.;
-    denshon = 0.1;
-    radlhon = 18.8;
-    
-    // --- Parameters to include in GSMIXT, relative to Quarz (SiO2) 
-    
-    aqua[0]    = 28.09;
-    aqua[1]    = 16.;
-    zqua[0]    = 14.;
-    zqua[1]    = 8.;
-    densqua    = 2.64;
-    nlmatqua   = -2;
-    wmatqua[0] = 1.;
-    wmatqua[1] = 2.;
-    
-    // --- Parameters to include in GSMIXT, relative to opaque Quarz (SiO2) 
-    
-    aquao[0]    = 28.09;
-    aquao[1]    = 16.;
-    zquao[0]    = 14.;
-    zquao[1]    = 8.;
-    densquao    = 2.64;
-    nlmatquao   = -2;
-    wmatquao[0] = 1.;
-    wmatquao[1] = 2.;
-    
-    // --- Parameters to include in GSMIXT, relative to Freon (C6F14) 
-    
-    afre[0]    = 12.;
-    afre[1]    = 19.;
-    zfre[0]    = 6.;
-    zfre[1]    = 9.;
-    densfre    = 1.7;
-    nlmatfre   = -2;
-    wmatfre[0] = 6.;
-    wmatfre[1] = 14.;
-    
-    // --- Parameters to include in GSMIXT, relative to methane (CH4) 
-    
-    amet[0]    = 12.01;
-    amet[1]    = 1.;
-    zmet[0]    = 6.;
-    zmet[1]    = 1.;
-    densmet    = 7.17e-4;
-    nlmatmet   = -2;
-    wmatmet[0] = 1.;
-    wmatmet[1] = 4.;
-    
-    // --- Parameters to include in GSMIXT, relative to anode grid (Cu) 
-  
-    agri    = 63.54;
-    zgri    = 29.;
-    densgri = 8.96;
-    radlgri = 1.43;
-    
-    // --- Parameters to include in GSMATE related to aluminium sheet 
-    
-    aal    = 26.98;
-    zal    = 13.;
-    densal = 2.7;
-    radlal = 8.9;
-
-    // --- Glass parameters
-
-    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};
-    Float_t dglass=1.74;
-
-    
-    AliMaterial(1, "Air     $", 14.61, 7.3, .001205, 30420., 67500);
-    AliMaterial(6, "HON", ahon, zhon, denshon, radlhon, 0);
-    AliMaterial(16, "CSI", ahon, zhon, denshon, radlhon, 0);
-    AliMixture(20, "QUA", aqua, zqua, densqua, nlmatqua, wmatqua);
-    AliMixture(21, "QUAO", aquao, zquao, densquao, nlmatquao, wmatquao);
-    AliMixture(30, "FRE", afre, zfre, densfre, nlmatfre, wmatfre);
-    AliMixture(40, "MET", amet, zmet, densmet, nlmatmet, wmatmet);
-    AliMixture(41, "METG", amet, zmet, densmet, nlmatmet, wmatmet);
-    AliMaterial(11, "GRI", agri, zgri, densgri, radlgri, 0);
-    AliMaterial(50, "ALUM", aal, zal, densal, radlal, 0);
-    AliMixture(32, "GLASS",aglass, zglass, dglass, 5, wglass);
-    AliMaterial(31, "COPPER$",   63.54,    29.,   8.96,  1.4, 0.);
-    
-    tmaxfd = -10.;
-    stemax = -.1;
-    deemax = -.2;
-    epsil  = .001;
-    stmin  = -.001;
-    
-    AliMedium(1, "DEFAULT MEDIUM AIR$", 1, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
-    AliMedium(2, "HONEYCOMB$", 6, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
-    AliMedium(3, "QUARZO$", 20, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
-    AliMedium(4, "FREON$", 30, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
-    AliMedium(5, "METANO$", 40, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
-    AliMedium(6, "CSI$", 16, 1, isxfld, sxmgmx,tmaxfd, stemax, deemax, epsil, stmin);
-    AliMedium(7, "GRIGLIA$", 11, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
-    AliMedium(8, "QUARZOO$", 21, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
-    AliMedium(9, "GAP$", 41, 1, isxfld, sxmgmx,tmaxfd, .1, -deemax, epsil, -stmin);
-    AliMedium(10, "ALUMINUM$", 50, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
-    AliMedium(11, "GLASS", 32, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
-    AliMedium(12, "PCB_COPPER", 31, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
-    
-
-    gMC->SetCerenkov(idtmed[1000], 26, ppckov, abscoMethane, efficAll, rIndexMethane);
-    gMC->SetCerenkov(idtmed[1001], 26, ppckov, abscoMethane, efficAll, rIndexMethane);
-    gMC->SetCerenkov(idtmed[1002], 26, ppckov, abscoQuarz, efficAll,rIndexQuarz);
-    gMC->SetCerenkov(idtmed[1003], 26, ppckov, abscoFreon, efficAll,rIndexFreon);
-    gMC->SetCerenkov(idtmed[1004], 26, ppckov, abscoMethane, efficAll, rIndexMethane);
-    gMC->SetCerenkov(idtmed[1005], 26, ppckov, abscoCsI, efficCsI, rIndexMethane);
-    gMC->SetCerenkov(idtmed[1006], 26, ppckov, abscoGrid, efficGrid, rIndexGrid);
-    gMC->SetCerenkov(idtmed[1007], 26, ppckov, abscoOpaqueQuarz, efficAll, rIndexOpaqueQuarz);
-    gMC->SetCerenkov(idtmed[1008], 26, ppckov, abscoMethane, efficAll, rIndexMethane);
-    gMC->SetCerenkov(idtmed[1009], 26, ppckov, abscoGrid, efficGrid, rIndexGrid);
-    gMC->SetCerenkov(idtmed[1010], 26, ppckov, abscoOpaqueQuarz, efficAll, rIndexOpaqueQuarz);
-}
-
-//___________________________________________
-
-Float_t AliRICH::Fresnel(Float_t ene,Float_t pdoti, Bool_t pola)
-{
-
-    //ENE(EV), PDOTI=COS(INC.ANG.), PDOTR=COS(POL.PLANE ROT.ANG.)
-    
-    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,
-                     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,
-                     7.8,7.9,8.0,8.1,8.2,8.3,8.4,8.5};
-     
-
-    Float_t csin[36] = {2.14,2.21,2.33,2.48,2.76,2.97,2.99,2.59,2.81,3.05,
-                       2.86,2.53,2.55,2.66,2.79,2.96,3.18,3.05,2.84,2.81,2.38,2.11,
-                       2.01,2.13,2.39,2.73,3.08,3.15,2.95,2.73,2.56,2.41,2.12,1.95,
-                       1.72,1.53};
-      
-    Float_t csik[36] = {0.,0.,0.,0.,0.,0.196,0.408,0.208,0.118,0.49,0.784,0.543,
-                       0.424,0.404,0.371,0.514,0.922,1.102,1.139,1.376,1.461,1.253,0.878,
-                       0.69,0.612,0.649,0.824,1.347,1.571,1.678,1.763,1.857,1.824,1.824,
-                       1.714,1.498};
-    Float_t xe=ene;
-    Int_t  j=Int_t(xe*10)-49;
-    Float_t cn=csin[j]+((csin[j+1]-csin[j])/0.1)*(xe-en[j]);
-    Float_t ck=csik[j]+((csik[j+1]-csik[j])/0.1)*(xe-en[j]);
-
-    //FORMULAE FROM HANDBOOK OF OPTICS, 33.23 OR
-    //W.R. HUNTER, J.O.S.A. 54 (1964),15 , J.O.S.A. 55(1965),1197
-
-    Float_t sinin=TMath::Sqrt(1-pdoti*pdoti);
-    Float_t tanin=sinin/pdoti;
-
-    Float_t c1=cn*cn-ck*ck-sinin*sinin;
-    Float_t c2=4*cn*cn*ck*ck;
-    Float_t aO=TMath::Sqrt(0.5*(TMath::Sqrt(c1*c1+c2)+c1));
-    Float_t b2=0.5*(TMath::Sqrt(c1*c1+c2)-c1);
-    
-    Float_t rs=((aO-pdoti)*(aO-pdoti)+b2)/((aO+pdoti)*(aO+pdoti)+b2);
-    Float_t rp=rs*((aO-sinin*tanin)*(aO-sinin*tanin)+b2)/((aO+sinin*tanin)*(aO+sinin*tanin)+b2);
-    
-
-    //CORRECTION FACTOR FOR SURFACE ROUGHNESS
-    //B.J. STAGG  APPLIED OPTICS, 30(1991),4113
-
-    Float_t sigraf=18.;
-    Float_t lamb=1240/ene;
-    Float_t fresn;
-    Float_t  rO=TMath::Exp(-(4*TMath::Pi()*pdoti*sigraf/lamb)*(4*TMath::Pi()*pdoti*sigraf/lamb));
-
-    if(pola)
-    {
-       Float_t pdotr=0.8;                                 //DEGREE OF POLARIZATION : 1->P , -1->S
-       fresn=0.5*(rp*(1+pdotr)+rs*(1-pdotr));
-    }
-    else
-       fresn=0.5*(rp+rs);
-      
-    fresn = fresn*rO;
-    return(fresn);
-}
-
-//__________________________________________
-Float_t AliRICH::AbsoCH4(Float_t x)
-{
-
-    //KLOSCH,SCH4(9),WL(9),EM(9),ALENGTH(31)
-    Float_t sch4[9] = {.12,.16,.23,.38,.86,2.8,7.9,28.,80.};              //MB X 10^22
-    //Float_t wl[9] = {153.,152.,151.,150.,149.,148.,147.,146.,145};
-    Float_t em[9] = {8.1,8.158,8.212,8.267,8.322,8.378,8.435,8.493,8.55};
-    const Float_t kLosch=2.686763E19;                                      // LOSCHMIDT NUMBER IN CM-3
-    const Float_t kIgas1=100, kIgas2=0, kOxy=10., kWater=5., kPressure=750.,kTemperature=283.;                                      
-    Float_t pn=kPressure/760.;
-    Float_t tn=kTemperature/273.16;
-    
-       
-// ------- METHANE CROSS SECTION -----------------
-// ASTROPH. J. 214, L47 (1978)
-       
-    Float_t sm=0;
-    if (x<7.75) 
-       sm=.06e-22;
-    
-    if(x>=7.75 && x<=8.1)
-    {
-       Float_t c0=-1.655279e-1;
-       Float_t c1=6.307392e-2;
-       Float_t c2=-8.011441e-3;
-       Float_t c3=3.392126e-4;
-       sm=(c0+c1*x+c2*x*x+c3*x*x*x)*1.e-18;
-    }
-    
-    if (x> 8.1)
-    {
-       Int_t j=0;
-       while (x<=em[j] && x>=em[j+1])
-       {
-           j++;
-           Float_t a=(sch4[j+1]-sch4[j])/(em[j+1]-em[j]);
-           sm=(sch4[j]+a*(x-em[j]))*1e-22;
-       }
-    }
-    
-    Float_t dm=(kIgas1/100.)*(1.-((kOxy+kWater)/1.e6))*kLosch*pn/tn;
-    Float_t abslm=1./sm/dm;
-    
-//    ------- ISOBUTHANE CROSS SECTION --------------
-//     i-C4H10 (ai) abs. length from curves in
-//     Lu-McDonald paper for BARI RICH workshop .
-//     -----------------------------------------------------------
-    
-    Float_t ai;
-    Float_t absli;
-    if (kIgas2 != 0) 
-    {
-       if (x<7.25)
-           ai=100000000.;
-       
-       if(x>=7.25 && x<7.375)
-           ai=24.3;
-       
-       if(x>=7.375)
-           ai=.0000000001;
-       
-       Float_t si = 1./(ai*kLosch*273.16/293.);                    // ISOB. CRO.SEC.IN CM2
-       Float_t di=(kIgas2/100.)*(1.-((kOxy+kWater)/1.e6))*kLosch*pn/tn;
-       absli =1./si/di;
-    }
-    else
-       absli=1.e18;
-//    ---------------------------------------------------------
-//
-//       transmission of O2
-//
-//       y= path in cm, x=energy in eV
-//       so= cross section for UV absorption in cm2
-//       do= O2 molecular density in cm-3
-//    ---------------------------------------------------------
-    
-    Float_t abslo;
-    Float_t so=0;
-    if(x>=6.0)
-    {
-       if(x>=6.0 && x<6.5)
-       {
-           so=3.392709e-13 * TMath::Exp(2.864104 *x);
-           so=so*1e-18;
-       }
-       
-       if(x>=6.5 && x<7.0) 
-       {
-           so=2.910039e-34 * TMath::Exp(10.3337*x);
-           so=so*1e-18;
-       }
-           
-
-       if (x>=7.0) 
-       {
-           Float_t a0=-73770.76;
-           Float_t a1=46190.69;
-           Float_t a2=-11475.44;
-           Float_t a3=1412.611;
-           Float_t a4=-86.07027;
-           Float_t a5=2.074234;
-           so= a0+(a1*x)+(a2*x*x)+(a3*x*x*x)+(a4*x*x*x*x)+(a5*x*x*x*x*x);
-           so=so*1e-18;
-       }
-       
-       Float_t dox=(kOxy/1e6)*kLosch*pn/tn;
-       abslo=1./so/dox;
-    }
-    else
-       abslo=1.e18;
-//     ---------------------------------------------------------
-//
-//       transmission of H2O
-//
-//       y= path in cm, x=energy in eV
-//       sw= cross section for UV absorption in cm2
-//       dw= H2O molecular density in cm-3
-//     ---------------------------------------------------------
-    
-    Float_t abslw;
-    
-    Float_t b0=29231.65;
-    Float_t b1=-15807.74;
-    Float_t b2=3192.926;
-    Float_t b3=-285.4809;
-    Float_t b4=9.533944;
-    
-    if(x>6.75)
-    {    
-       Float_t sw= b0+(b1*x)+(b2*x*x)+(b3*x*x*x)+(b4*x*x*x*x);
-       sw=sw*1e-18;
-       Float_t dw=(kWater/1e6)*kLosch*pn/tn;
-       abslw=1./sw/dw;
-    }
-    else
-       abslw=1.e18;
-           
-//    ---------------------------------------------------------
-    
-    Float_t alength=1./(1./abslm+1./absli+1./abslo+1./abslw);
-    return (alength);
-}
-
-
-
-//___________________________________________
-Int_t AliRICH::DistancetoPrimitive(Int_t , Int_t )
-{
-
-// Default value
-
-    return 9999;
-}
-
-//___________________________________________
-void AliRICH::MakeBranch(Option_t* option, const char *file)
-{
-  // Create Tree branches for the RICH.
-    
-    const Int_t kBufferSize = 4000;
-    char branchname[20];
-      
-    AliDetector::MakeBranch(option,file);
-   
-    const char *cH = strstr(option,"H");
-    const char *cD = strstr(option,"D");
-    const char *cR = strstr(option,"R");
-    const char *cS = strstr(option,"S");
-
-
-    if (cH) {
-      sprintf(branchname,"%sCerenkov",GetName());
-      if (fCerenkovs   && gAlice->TreeH()) {
-       //TBranch* branch = MakeBranchInTree(gAlice->TreeH(),branchname, &fCerenkovs, kBufferSize, file) ;
-       MakeBranchInTree(gAlice->TreeH(),branchname, &fCerenkovs, kBufferSize, file) ;
-       //branch->SetAutoDelete(kFALSE);
-      } 
-      sprintf(branchname,"%sSDigits",GetName());
-      if (fSDigits   && gAlice->TreeH()) {
-       //TBranch* branch = MakeBranchInTree(gAlice->TreeH(),branchname, &fSDigits, kBufferSize, file) ;
-       MakeBranchInTree(gAlice->TreeH(),branchname, &fSDigits, kBufferSize, file) ;
-       //branch->SetAutoDelete(kFALSE);
-       //printf("Making branch %sSDigits in TreeH\n",GetName());
-      }
-    }   
-      
-    if (cS) {  
-      sprintf(branchname,"%sSDigits",GetName());
-      if (fSDigits   && gAlice->TreeS()) {
-       //TBranch* branch = MakeBranchInTree(gAlice->TreeS(),branchname, &fSDigits, kBufferSize, file) ;
-       MakeBranchInTree(gAlice->TreeS(),branchname, &fSDigits, kBufferSize, file) ;
-       //branch->SetAutoDelete(kFALSE);
-       //printf("Making branch %sSDigits in TreeS\n",GetName());
-      }
-    }
-    
-    if (cD) {
-    //
-    // one branch for digits per chamber
-    //
-      Int_t i;
-    
-      for (i=0; i<kNCH ;i++) {
-       sprintf(branchname,"%sDigits%d",GetName(),i+1); 
-       if (fDchambers   && gAlice->TreeD()) {
-          //TBranch* branch = MakeBranchInTree(gAlice->TreeD(),branchname, &((*fDchambers)[i]), kBufferSize, file) ;
-         MakeBranchInTree(gAlice->TreeD(),branchname, &((*fDchambers)[i]), kBufferSize, file) ;
-          //branch->SetAutoDelete(kFALSE);
-         //printf("Making Branch %sDigits%d\n",GetName(),i+1);
-       }       
-      }
-    }
-
-    if (cR) {    
-    //
-    // one branch for raw clusters per chamber
-    //
-
-      //printf("Called MakeBranch for TreeR\n");
-
-      Int_t i;
-
-      for (i=0; i<kNCH ;i++) {
-        sprintf(branchname,"%sRawClusters%d",GetName(),i+1);      
-        if (fRawClusters && gAlice->TreeR()) {
-           //TBranch* branch = MakeBranchInTree(gAlice->TreeR(),branchname, &((*fRawClusters)[i]), kBufferSize, file) ;
-         MakeBranchInTree(gAlice->TreeR(),branchname, &((*fRawClusters)[i]), kBufferSize, file) ;
-          //branch->SetAutoDelete(kFALSE);     
-        }        
-      }
-     //
-     // one branch for rec hits per chamber
-     // 
-     for (i=0; i<kNCH ;i++) {
-       sprintf(branchname,"%sRecHits1D%d",GetName(),i+1);    
-       if (fRecHits1D   && gAlice->TreeR()) {
-        //TBranch* branch = MakeBranchInTree(gAlice->TreeR(),branchname, &((*fRecHits1D)[i]), kBufferSize, file) ;
-        MakeBranchInTree(gAlice->TreeR(),branchname, &((*fRecHits1D)[i]), kBufferSize, file) ;
-        //branch->SetAutoDelete(kFALSE);
-       }       
-     }
-     for (i=0; i<kNCH ;i++) {
-       sprintf(branchname,"%sRecHits3D%d",GetName(),i+1);  
-       if (fRecHits3D   && gAlice->TreeR()) {
-        MakeBranchInTree(gAlice->TreeR(),branchname, &((*fRecHits3D)[i]), kBufferSize, file) ;
-        //branch->SetAutoDelete(kFALSE);
-      }        
-    }
-  }  
-}
-
-//___________________________________________
-void AliRICH::SetTreeAddress()
-{
-  // Set branch address for the Hits and Digits Tree.
-  char branchname[20];
-  Int_t i;
-
-    AliDetector::SetTreeAddress();
-    
-    TBranch *branch;
-    TTree *treeH = gAlice->TreeH();
-    TTree *treeD = gAlice->TreeD();
-    TTree *treeR = gAlice->TreeR();
-    TTree *treeS = gAlice->TreeS();
-    
-    if (treeH) {
-      if (fCerenkovs) {
-           branch = treeH->GetBranch("RICHCerenkov");
-           if (branch) branch->SetAddress(&fCerenkovs);
-       }
-    if (fSDigits) {
-       branch = treeH->GetBranch("RICHSDigits");
-       if (branch) 
-         {
-           branch->SetAddress(&fSDigits);
-           //printf("Setting sdigits branch address at %p in TreeH\n",&fSDigits);
-         }
-      }
-    }
-    
-    if (treeS) {
-      if (fSDigits) {
-       branch = treeS->GetBranch("RICHSDigits");
-       if (branch) 
-         {
-           branch->SetAddress(&fSDigits);
-           //printf("Setting sdigits branch address at %p in TreeS\n",&fSDigits);
-         }
-      }
-    }
-    
-    
-    if (treeD) {
-       for (int i=0; i<kNCH; i++) {
-           sprintf(branchname,"%sDigits%d",GetName(),i+1);
-           if (fDchambers) {
-             branch = treeD->GetBranch(branchname);
-             if (branch) branch->SetAddress(&((*fDchambers)[i]));
-           }
-       }
-    }
-  if (treeR) {
-      for (i=0; i<kNCH; i++) {
-         sprintf(branchname,"%sRawClusters%d",GetName(),i+1);
-         if (fRawClusters) {
-             branch = treeR->GetBranch(branchname);
-             if (branch) branch->SetAddress(&((*fRawClusters)[i]));
-         }
-      }
-      
-      for (i=0; i<kNCH; i++) {
-       sprintf(branchname,"%sRecHits1D%d",GetName(),i+1);
-       if (fRecHits1D) {
-         branch = treeR->GetBranch(branchname);
-         if (branch) branch->SetAddress(&((*fRecHits1D)[i]));
-         }
-      }
-      
-     for (i=0; i<kNCH; i++) {
-       sprintf(branchname,"%sRecHits3D%d",GetName(),i+1);
-       if (fRecHits3D) {
-         branch = treeR->GetBranch(branchname);
-         if (branch) branch->SetAddress(&((*fRecHits3D)[i]));
-         }
-      } 
-      
-  }
-}
-//___________________________________________
-void AliRICH::ResetHits()
-{
-  // Reset number of clusters and the cluster array for this detector
-    AliDetector::ResetHits();
-    fNSDigits   = 0;
-    fNcerenkovs = 0;
-    if (fSDigits)  fSDigits->Clear();
-    if (fCerenkovs) fCerenkovs->Clear();
-}
-
-
-//____________________________________________
-void AliRICH::ResetDigits()
-{
-  //
-  // Reset number of digits and the digits array for this detector
-  //
-    for ( int i=0;i<kNCH;i++ ) {
-      //PH     if (fDchambers && (*fDchambers)[i])   (*fDchambers)[i]->Clear();
-       if (fDchambers && fDchambers->At(i))   fDchambers->At(i)->Clear();
-       if (fNdch)  fNdch[i]=0;
-    }
-}
-
-//____________________________________________
-void AliRICH::ResetRawClusters()
-{
-  //
-  // Reset number of raw clusters and the raw clust array for this detector
-  //
-    for ( int i=0;i<kNCH;i++ ) {
-      //PH     if ((*fRawClusters)[i])    ((TClonesArray*)(*fRawClusters)[i])->Clear();
-       if (fRawClusters->At(i))    ((TClonesArray*)fRawClusters->At(i))->Clear();
-       if (fNrawch)  fNrawch[i]=0;
-    }
-}
-
-//____________________________________________
-void AliRICH::ResetRecHits1D()
-{
-  //
-  // Reset number of raw clusters and the raw clust array for this detector
-  //
-  
-  for ( int i=0;i<kNCH;i++ ) {
-    //PH       if ((*fRecHits1D)[i])    ((TClonesArray*)(*fRecHits1D)[i])->Clear();
-       if (fRecHits1D->At(i))    ((TClonesArray*)fRecHits1D->At(i))->Clear();
-       if (fNrechits1D)  fNrechits1D[i]=0;
-    }
-}
-
-//____________________________________________
-void AliRICH::ResetRecHits3D()
-{
-  //
-  // Reset number of raw clusters and the raw clust array for this detector
-  //
-  
-  for ( int i=0;i<kNCH;i++ ) {
-    //PH       if ((*fRecHits3D)[i])    ((TClonesArray*)(*fRecHits3D)[i])->Clear();
-       if (fRecHits3D->At(i))    ((TClonesArray*)fRecHits3D->At(i))->Clear();
-       if (fNrechits3D)  fNrechits3D[i]=0;
-    }
-}
-
-
-//___________________________________________
-void AliRICH::StepManager()
-{
-// Full Step Manager
-
-    Int_t          copy, id;
-    static Int_t   idvol;
-    static Int_t   vol[2];
-    Int_t          ipart;
-    static Float_t hits[22];
-    static Float_t ckovData[19];
-    TLorentzVector position;
-    TLorentzVector momentum;
-    Float_t        pos[3];
-    Float_t        mom[4];
-    Float_t        localPos[3];
-    Float_t        localMom[4];
-    Float_t        localTheta,localPhi;
-    Float_t        theta,phi;
-    Float_t        destep, step;
-    Double_t        ranf[2];
-    Int_t          nPads;
-    Float_t        coscerenkov;
-    static Float_t eloss, xhit, yhit, tlength;
-    const  Float_t kBig=1.e10;
-       
-    TClonesArray &lhits = *fHits;
-    TParticle *current = (TParticle*)(*gAlice->Particles())[gAlice->CurrentTrack()];
+    Float_t sinin=TMath::Sqrt(1-pdoti*pdoti);
+    Float_t tanin=sinin/pdoti;
 
- //if (current->Energy()>1)
-   //{
-        
-    // Only gas gap inside chamber
-    // Tag chambers and record hits when track enters 
-    
-    id=gMC->CurrentVolID(copy);
-    idvol = copy-1;
-    Float_t cherenkovLoss=0;
-    //gAlice->KeepTrack(gAlice->CurrentTrack());
+    Float_t c1=cn*cn-ck*ck-sinin*sinin;
+    Float_t c2=4*cn*cn*ck*ck;
+    Float_t aO=TMath::Sqrt(0.5*(TMath::Sqrt(c1*c1+c2)+c1));
+    Float_t b2=0.5*(TMath::Sqrt(c1*c1+c2)-c1);
     
-    gMC->TrackPosition(position);
-    pos[0]=position(0);
-    pos[1]=position(1);
-    pos[2]=position(2);
-    //bzero((char *)ckovData,sizeof(ckovData)*19);
-    ckovData[1] = pos[0];                 // X-position for hit
-    ckovData[2] = pos[1];                 // Y-position for hit
-    ckovData[3] = pos[2];                 // Z-position for hit
-    ckovData[6] = 0;                      // dummy track length
-    //ckovData[11] = gAlice->CurrentTrack();
+    Float_t rs=((aO-pdoti)*(aO-pdoti)+b2)/((aO+pdoti)*(aO+pdoti)+b2);
+    Float_t rp=rs*((aO-sinin*tanin)*(aO-sinin*tanin)+b2)/((aO+sinin*tanin)*(aO+sinin*tanin)+b2);
     
-    //printf("\n+++++++++++\nTrack: %d\n++++++++++++\n",gAlice->CurrentTrack());
 
-    //AliRICH *RICH = (AliRICH *) gAlice->GetDetector("RICH"); 
-    
-    /********************Store production parameters for Cerenkov photons************************/ 
-//is it a Cerenkov photon? 
-    if (gMC->TrackPid() == 50000050) { 
+    //CORRECTION FACTOR FOR SURFACE ROUGHNESS
+    //B.J. STAGG  APPLIED OPTICS, 30(1991),4113
 
-      //if (gMC->VolId("GAP ")==gMC->CurrentVolID(copy))
-        //{                    
-         Float_t ckovEnergy = current->Energy();
-         //energy interval for tracking
-         if  (ckovEnergy > 5.6e-09 && ckovEnergy < 7.8e-09 )       
-           //if (ckovEnergy > 0)
-           {
-             if (gMC->IsTrackEntering()){        //is track entering?
-               //printf("Track entered (1)\n");
-               if (gMC->VolId("FRE1")==gMC->CurrentVolID(copy) || gMC->VolId("FRE2")==gMC->CurrentVolID(copy))
-                 {                                                          //is it in freo?
-                   if (gMC->IsNewTrack()){                          //is it the first step?
-                     //printf("I'm in!\n");
-                     Int_t mother = current->GetFirstMother(); 
-                     
-                     //printf("Second Mother:%d\n",current->GetSecondMother());
-                     
-                     ckovData[10] = mother;
-                     ckovData[11] = gAlice->CurrentTrack();
-                     ckovData[12] = 1;             //Media where photon was produced 1->Freon, 2->Quarz
-                     //printf("Produced in FREO\n");
-                     fCkovNumber++;
-                     fFreonProd=1;
-                     //printf("Index: %d\n",fCkovNumber);
-                   }    //first step question
-                 }        //freo question
-               
-               if (gMC->IsNewTrack()){                                  //is it first step?
-                 if (gMC->VolId("QUAR")==gMC->CurrentVolID(copy))             //is it in quarz?
-                   {
-                     ckovData[12] = 2;
-                     //printf("Produced in QUAR\n");
-                   }    //quarz question
-               }        //first step question
-               
-               //printf("Before %d\n",fFreonProd);
-             }   //track entering question
-             
-             if (ckovData[12] == 1)                                        //was it produced in Freon?
-               //if (fFreonProd == 1)
-               {
-                 if (gMC->IsTrackEntering()){                                     //is track entering?
-                   //printf("Track entered (2)\n");
-                   //printf("Current volume (should be META): %s\n",gMC->CurrentVolName());
-                   //printf("VolId: %d, CurrentVolID: %d\n",gMC->VolId("META"),gMC->CurrentVolID(copy));
-                   if (gMC->VolId("META")==gMC->CurrentVolID(copy))                //is it in gap?      
-                     {
-                       //printf("Got in META\n");
-                       gMC->TrackMomentum(momentum);
-                       mom[0]=momentum(0);
-                       mom[1]=momentum(1);
-                       mom[2]=momentum(2);
-                       mom[3]=momentum(3);
-                       
-                       gMC->Gmtod(mom,localMom,2);
-                       Float_t cophi = TMath::Cos(TMath::ATan2(localMom[0], localMom[1]));
-                       Float_t t = (1. - .025 / cophi) * (1. - .05 /  cophi);
-                       /**************** Photons lost in second grid have to be calculated by hand************/ 
-                       gMC->GetRandom()->RndmArray(1,ranf);
-                       if (ranf[0] > t) {
-                         gMC->StopTrack();
-                         ckovData[13] = 5;
-                         AddCerenkov(gAlice->CurrentTrack(),vol,ckovData);
-                         //printf("Added One (1)!\n");
-                         //printf("Lost one in grid\n");
-                       }
-                       /**********************************************************************************/
-                     }    //gap
-                   
-                   //printf("Current volume (should be CSI) (1): %s\n",gMC->CurrentVolName());
-                   //printf("VolId: %d, CurrentVolID: %d\n",gMC->VolId("CSI "),gMC->CurrentVolID(copy));
-                   if (gMC->VolId("CSI ")==gMC->CurrentVolID(copy))             //is it in csi?      
-                     {
-                       //printf("Got in CSI\n");
-                       gMC->TrackMomentum(momentum);
-                       mom[0]=momentum(0);
-                       mom[1]=momentum(1);
-                       mom[2]=momentum(2);
-                       mom[3]=momentum(3);
+    Float_t sigraf=18.;
+    Float_t lamb=1240/ene;
+    Float_t fresn;
+    Float_t  rO=TMath::Exp(-(4*TMath::Pi()*pdoti*sigraf/lamb)*(4*TMath::Pi()*pdoti*sigraf/lamb));
 
-                       gMC->Gmtod(mom,localMom,2);
-                       /********* Photons lost by Fresnel reflection have to be calculated by hand********/ 
-                       /***********************Cerenkov phtons (always polarised)*************************/
-                       Double_t localTc = localMom[0]*localMom[0]+localMom[2]*localMom[2];
-                       Double_t localRt = TMath::Sqrt(localTc);
-                       localTheta   = Float_t(TMath::ATan2(localRt,Double_t(localMom[1])));
-                       Double_t cotheta = TMath::Abs(cos(localTheta));
-                       Float_t t = Fresnel(ckovEnergy*1e9,cotheta,1);
-                           gMC->GetRandom()->RndmArray(1,ranf);
-                           if (ranf[0] < t) {
-                             gMC->StopTrack();
-                             ckovData[13] = 6;
-                             AddCerenkov(gAlice->CurrentTrack(),vol,ckovData);
-                               
-                             //printf("Added One (2)!\n");
-                             //printf("Lost by Fresnel\n");
-                           }
-                           /**********************************************************************************/
-                     }
-                 } //track entering?
-                 
-                 
-                 /********************Evaluation of losses************************/
-                 /******************still in the old fashion**********************/
-                 
-                 TArrayI procs;
-                 Int_t i1 = gMC->StepProcesses(procs);            //number of physics mechanisms acting on the particle
-                 for (Int_t i = 0; i < i1; ++i) {
-                   //        Reflection loss 
-                   if (procs[i] == kPLightReflection) {        //was it reflected
-                     ckovData[13]=10;
-                     if (gMC->VolId("FRE1")==gMC->CurrentVolID(copy) || gMC->VolId("FRE2")==gMC->CurrentVolID(copy)) 
-                       ckovData[13]=1;
-                     if (gMC->CurrentVolID(copy) == gMC->VolId("QUAR")) 
-                       ckovData[13]=2;
-                     //gMC->StopTrack();
-                     //AddCerenkov(gAlice->CurrentTrack(),vol,ckovData);
-                   } //reflection question
-                    
-                   //        Absorption loss 
-                   else if (procs[i] == kPLightAbsorption) {              //was it absorbed?
-                     //printf("Got in absorption\n");
-                     ckovData[13]=20;
-                     if (gMC->VolId("FRE1")==gMC->CurrentVolID(copy) || gMC->VolId("FRE2")==gMC->CurrentVolID(copy)) 
-                       ckovData[13]=11;
-                     if (gMC->CurrentVolID(copy) == gMC->VolId("QUAR")) 
-                       ckovData[13]=12;
-                     if (gMC->CurrentVolID(copy) == gMC->VolId("META")) 
-                       ckovData[13]=13;
-                     if (gMC->CurrentVolID(copy) == gMC->VolId("GAP ")) 
-                       ckovData[13]=13;
-                     
-                     if (gMC->CurrentVolID(copy) == gMC->VolId("SRIC")) 
-                       ckovData[13]=15;
-                     
-                     //        CsI inefficiency 
-                     if (gMC->CurrentVolID(copy) == gMC->VolId("CSI ")) {
-                       ckovData[13]=16;
-                     }
-                     gMC->StopTrack();
-                     AddCerenkov(gAlice->CurrentTrack(),vol,ckovData);
-                     //printf("Added One (3)!\n");
-                     //printf("Added cerenkov %d\n",fCkovNumber);
-                   } //absorption question 
-                   
-                   
-                   //        Photon goes out of tracking scope 
-                   else if (procs[i] == kPStop) {                 //is it below energy treshold?
-                     ckovData[13]=21;
-                     gMC->StopTrack();
-                     AddCerenkov(gAlice->CurrentTrack(),vol,ckovData);
-                     //printf("Added One (4)!\n");
-                   }   // energy treshold question         
-                 }  //number of mechanisms cycle
-                 /**********************End of evaluation************************/
-               } //freon production question
-           } //energy interval question
-       //}//inside the proximity gap question
-    } //cerenkov photon question
+    if(pola)
+    {
+       Float_t pdotr=0.8;                                 //DEGREE OF POLARIZATION : 1->P , -1->S
+       fresn=0.5*(rp*(1+pdotr)+rs*(1-pdotr));
+    }
+    else
+       fresn=0.5*(rp+rs);
       
-    /**************************************End of Production Parameters Storing*********************/ 
-    
-    
-    /*******************************Treat photons that hit the CsI (Ckovs and Feedbacks)************/ 
+    fresn = fresn*rO;
+    return(fresn);
+}//Fresnel()
+//__________________________________________________________________________________________________
+Float_t AliRICH::AbsoCH4(Float_t x)const
+{
+//Evaluate the absorbtion lenght of CH4
+  Float_t sch4[9] = {.12,.16,.23,.38,.86,2.8,7.9,28.,80.};              //MB X 10^22
+  Float_t em[9] = {8.1,8.158,8.212,8.267,8.322,8.378,8.435,8.493,8.55};
+  const Float_t kLoschmidt=2.686763e19;                                      // LOSCHMIDT NUMBER IN CM-3
+  const Float_t kPressure=750.,kTemperature=283.;                                      
+  const Float_t kPn=kPressure/760.;
+  const Float_t kTn=kTemperature/273.16;
+  const Float_t kC0=-1.655279e-1;
+  const Float_t kC1=6.307392e-2;
+  const Float_t kC2=-8.011441e-3;
+  const Float_t kC3=3.392126e-4;
+               
+  Float_t crossSection=0;                        
+  if (x<7.75) 
+    crossSection=.06e-22;
+  else if(x>=7.75 && x<=8.1){                 //------ METHANE CROSS SECTION cm-2 ASTROPH. J. 214, L47 (1978)                                               
+       crossSection=(kC0+kC1*x+kC2*x*x+kC3*x*x*x)*1.e-18;
+  }else if (x> 8.1){
+    Int_t j=0;
+    while (x<=em[j] || x>=em[j+1]){
+      j++;
+      Float_t a=(sch4[j+1]-sch4[j])/(em[j+1]-em[j]);
+      crossSection=(sch4[j]+a*(x-em[j]))*1e-22;
+    }
+  }//if
+    
+    Float_t density=kLoschmidt*kPn/kTn; //CH4 molecular density 1/cm-3
+    return 1./(density*crossSection);
+}//AbsoCH4()
+//__________________________________________________________________________________________________
+void AliRICH::MakeBranch(Option_t* option)
+{
+//Create Tree branches for the RICH.
+  if(GetDebug())Info("MakeBranch","Start with option= %s.",option);
     
-    if (gMC->TrackPid() == 50000050 || gMC->TrackPid() == 50000051) {
-      //printf("Cerenkov\n");
+  const Int_t kBufferSize = 4000;
       
-      //if (gMC->TrackPid() == 50000051)
-       //printf("Tracking a feedback\n");
+  const char *cH = strstr(option,"H");
+  const char *cD = strstr(option,"D");
+  const char *cR = strstr(option,"R");
+  const char *cS = strstr(option,"S");
+
+  if(cH&&TreeH()){//H
+    CreateHits();      //branch will be created in AliDetector::MakeBranch
+  }//H     
+  AliDetector::MakeBranch(option);//this is after cH because we need to guarantee that fHits array is created
       
-      if (gMC->VolId("CSI ")==gMC->CurrentVolID(copy))
-       {
-         //printf("Current volume (should be CSI) (2): %s\n",gMC->CurrentVolName());
-         //printf("VolId: %d, CurrentVolID: %d\n",gMC->VolId("CSI "),gMC->CurrentVolID(copy));
-         //printf("Got in CSI\n");
-         //printf("Tracking a %d\n",gMC->TrackPid());
-         if (gMC->Edep() > 0.){
-               gMC->TrackPosition(position);
-               gMC->TrackMomentum(momentum);
-               pos[0]=position(0);
-               pos[1]=position(1);
-               pos[2]=position(2);
-               mom[0]=momentum(0);
-               mom[1]=momentum(1);
-               mom[2]=momentum(2);
-               mom[3]=momentum(3);
-               Double_t tc = mom[0]*mom[0]+mom[1]*mom[1];
-               Double_t rt = TMath::Sqrt(tc);
-               theta   = Float_t(TMath::ATan2(rt,Double_t(mom[2])))*kRaddeg;
-               phi     = Float_t(TMath::ATan2(Double_t(mom[1]),Double_t(mom[0])))*kRaddeg;
-               
-               gMC->CurrentVolOffID(2,copy);
-               vol[0]=copy;
-               idvol=vol[0]-1;
-               
-
-               gMC->Gmtod(pos,localPos,1);
-
-               //Chamber(idvol).GlobaltoLocal(pos,localPos);
-                                                                    
-               gMC->Gmtod(mom,localMom,2);
-
-               //Chamber(idvol).GlobaltoLocal(mom,localMom);
-               
-               gMC->CurrentVolOffID(2,copy);
-               vol[0]=copy;
-               idvol=vol[0]-1;
-
-               //Int_t sector=((AliRICHChamber*) (*fChambers)[idvol])
-                       //->Sector(localPos[0], localPos[2]);
-               //printf("Sector:%d\n",sector);
-
-               /*if (gMC->TrackPid() == 50000051){
-                 fFeedbacks++;
-                 printf("Feedbacks:%d\n",fFeedbacks);
-               }*/     
-               
-        //PH           ((AliRICHChamber*) (*fChambers)[idvol])
-               ((AliRICHChamber*)fChambers->At(idvol))
-                   ->SigGenInit(localPos[0], localPos[2], localPos[1]);
-               if(idvol<kNCH) {        
-                   ckovData[0] = gMC->TrackPid();        // particle type
-                   ckovData[1] = pos[0];                 // X-position for hit
-                   ckovData[2] = pos[1];                 // Y-position for hit
-                   ckovData[3] = pos[2];                 // Z-position for hit
-                   ckovData[4] = theta;                      // theta angle of incidence
-                   ckovData[5] = phi;                      // phi angle of incidence 
-                   ckovData[8] = (Float_t) fNSDigits;      // first sdigit
-                   ckovData[9] = -1;                       // last pad hit
-                   ckovData[13] = 4;                       // photon was detected
-                   ckovData[14] = mom[0];
-                   ckovData[15] = mom[1];
-                   ckovData[16] = mom[2];
-                   
-                   destep = gMC->Edep();
-                   gMC->SetMaxStep(kBig);
-                   cherenkovLoss  += destep;
-                   ckovData[7]=cherenkovLoss;
-                   
-                   nPads = Hits2SDigits(localPos[0],localPos[2],cherenkovLoss,idvol,kCerenkov);
-                                   
-                   if (fNSDigits > (Int_t)ckovData[8]) {
-                       ckovData[8]= ckovData[8]+1;
-                       ckovData[9]= (Float_t) fNSDigits;
-                   }
-
-                   //printf("Cerenkov loss: %f\n", cherenkovLoss);
-
-                   ckovData[17] = nPads;
-                   //printf("nPads:%d",nPads);
-                   
-                   //TClonesArray *Hits = RICH->Hits();
-                   AliRICHHit *mipHit =  (AliRICHHit*) (fHits->UncheckedAt(0));
-                   if (mipHit)
-                     {
-                       mom[0] = current->Px();
-                       mom[1] = current->Py();
-                       mom[2] = current->Pz();
-                       Float_t mipPx = mipHit->MomX();
-                       Float_t mipPy = mipHit->MomY();
-                       Float_t mipPz = mipHit->MomZ();
-                       
-                       Float_t r = mom[0]*mom[0] + mom[1]*mom[1] + mom[2]*mom[2];
-                       Float_t rt = TMath::Sqrt(r);
-                       Float_t mipR = mipPx*mipPx + mipPy*mipPy + mipPz*mipPz; 
-                       Float_t mipRt = TMath::Sqrt(mipR);
-                       if ((rt*mipRt) > 0)
-                         {
-                           coscerenkov = (mom[0]*mipPx + mom[1]*mipPy + mom[2]*mipPz)/(rt*mipRt);
-                         }
-                       else
-                         {
-                           coscerenkov = 0;
-                         }
-                       Float_t cherenkov = TMath::ACos(coscerenkov);
-                       ckovData[18]=cherenkov;
-                     }
-                   //if (sector != -1)
-                   //{
-                   AddHit(gAlice->CurrentTrack(),vol,ckovData);
-                   AddCerenkov(gAlice->CurrentTrack(),vol,ckovData);
-                   //printf("Added One (5)!\n");
-                   //}
-               }
-           }
-       }
+  if(cS&&fLoader->TreeS()){//S  
+    CreateSDigits();   MakeBranchInTree(fLoader->TreeS(),"RICH",&fSdigits,kBufferSize,0) ;
+  }//S
+   
+  if(cD&&fLoader->TreeD()){//D
+    CreateDigits();
+    for(Int_t i=0;i<kNCH;i++){ 
+      MakeBranchInTree(fLoader->TreeD(),Form("%s%d",GetName(),i+1),&((*fDigitsNew)[i]),kBufferSize,0);
     }
-    
-    /***********************************************End of photon hits*********************************************/
-    
-
-    /**********************************************Charged particles treatment*************************************/
-
-    else if (gMC->TrackCharge())
-    //else if (1 == 1)
-      {
-//If MIP
-       /*if (gMC->IsTrackEntering())
-         {                
-           hits[13]=20;//is track entering?
-         }*/
-       if (gMC->VolId("FRE1")==gMC->CurrentVolID(copy) || gMC->VolId("FRE2")==gMC->CurrentVolID(copy))
-         {
-           gMC->TrackMomentum(momentum);
-           mom[0]=momentum(0);
-           mom[1]=momentum(1);
-           mom[2]=momentum(2);
-           mom[3]=momentum(3);
-           hits [19] = mom[0];
-           hits [20] = mom[1];
-           hits [21] = mom[2];
-           fFreonProd=1;
-         }
-
-       if (gMC->VolId("GAP ")== gMC->CurrentVolID(copy)) {
-// Get current particle id (ipart), track position (pos)  and momentum (mom)
-           
-           gMC->CurrentVolOffID(3,copy);
-           vol[0]=copy;
-           idvol=vol[0]-1;
-
-           //Int_t sector=((AliRICHChamber*) (*fChambers)[idvol])
-                       //->Sector(localPos[0], localPos[2]);
-           //printf("Sector:%d\n",sector);
-           
-           gMC->TrackPosition(position);
-           gMC->TrackMomentum(momentum);
-           pos[0]=position(0);
-           pos[1]=position(1);
-           pos[2]=position(2);
-           mom[0]=momentum(0);
-           mom[1]=momentum(1);
-           mom[2]=momentum(2);
-           mom[3]=momentum(3);
-
-           gMC->Gmtod(pos,localPos,1);
-           
-           //Chamber(idvol).GlobaltoLocal(pos,localPos);
-                                                                    
-           gMC->Gmtod(mom,localMom,2);
-
-           //Chamber(idvol).GlobaltoLocal(mom,localMom);
-           
-           ipart  = gMC->TrackPid();
-           //
-           // momentum loss and steplength in last step
-           destep = gMC->Edep();
-           step   = gMC->TrackStep();
+  }//D
   
-           //
-           // record hits when track enters ...
-           if( gMC->IsTrackEntering()) {
-//             gMC->SetMaxStep(fMaxStepGas);
-               Double_t tc = mom[0]*mom[0]+mom[1]*mom[1];
-               Double_t rt = TMath::Sqrt(tc);
-               theta   = Float_t(TMath::ATan2(rt,Double_t(mom[2])))*kRaddeg;
-               phi     = Float_t(TMath::ATan2(Double_t(mom[1]),Double_t(mom[0])))*kRaddeg;
-               
-
-               Double_t localTc = localMom[0]*localMom[0]+localMom[2]*localMom[2];
-               Double_t localRt = TMath::Sqrt(localTc);
-               localTheta   = Float_t(TMath::ATan2(localRt,Double_t(localMom[1])))*kRaddeg;                       
-               localPhi     = Float_t(TMath::ATan2(Double_t(localMom[2]),Double_t(localMom[0])))*kRaddeg;    
-               
-               hits[0] = Float_t(ipart);         // particle type
-               hits[1] = localPos[0];                 // X-position for hit
-               hits[2] = localPos[1];                 // Y-position for hit
-               hits[3] = localPos[2];                 // Z-position for hit
-               hits[4] = localTheta;                  // theta angle of incidence
-               hits[5] = localPhi;                    // phi angle of incidence 
-               hits[8] = (Float_t) fNSDigits;    // first sdigit
-               hits[9] = -1;                     // last pad hit
-               hits[13] = fFreonProd;           // did id hit the freon?
-               hits[14] = mom[0];
-               hits[15] = mom[1];
-               hits[16] = mom[2];
-               hits[18] = 0;               // dummy cerenkov angle
-
-               tlength = 0;
-               eloss   = 0;
-               fFreonProd = 0;
-       
-               Chamber(idvol).LocaltoGlobal(localPos,hits+1);
-          
-               
-               //To make chamber coordinates x-y had to pass localPos[0], localPos[2]
-               xhit    = localPos[0];
-               yhit    = localPos[2];
-               // Only if not trigger chamber
-               if(idvol<kNCH) {
-                   //
-                   //  Initialize hit position (cursor) in the segmentation model 
-          //PH             ((AliRICHChamber*) (*fChambers)[idvol])
-                   ((AliRICHChamber*)fChambers->At(idvol))
-                       ->SigGenInit(localPos[0], localPos[2], localPos[1]);
-               }
-           }
-           
-           // 
-           // Calculate the charge induced on a pad (disintegration) in case 
-           //
-           // Mip left chamber ...
-           if( gMC->IsTrackExiting() || gMC->IsTrackStop() || gMC->IsTrackDisappeared()){
-               gMC->SetMaxStep(kBig);
-               eloss   += destep;
-               tlength += step;
-               
-                               
-               // Only if not trigger chamber
-               if(idvol<kNCH) {
-                 if (eloss > 0) 
-                   {
-                     if(gMC->TrackPid() == kNeutron)
-                       printf("\n\n\n\n\n Neutron Making Pad Hit!!! \n\n\n\n");
-                     nPads = Hits2SDigits(xhit,yhit,eloss,idvol,kMip);
-                     hits[17] = nPads;
-                     //printf("nPads:%d",nPads);
-                   }
-               }
-               
-               hits[6]=tlength;
-               hits[7]=eloss;
-               if (fNSDigits > (Int_t)hits[8]) {
-                   hits[8]= hits[8]+1;
-                   hits[9]= (Float_t) fNSDigits;
-               }
-               
-               //if(sector !=-1)
-               new(lhits[fNhits++]) AliRICHHit(fIshunt,gAlice->CurrentTrack(),vol,hits);
-               eloss = 0; 
-               //
-               // Check additional signal generation conditions 
-               // defined by the segmentation
-               // model (boundary crossing conditions) 
-           } else if 
-          //PH         (((AliRICHChamber*) (*fChambers)[idvol])
-               (((AliRICHChamber*)fChambers->At(idvol))
-                ->SigGenCond(localPos[0], localPos[2], localPos[1]))
-           {
-          //PH         ((AliRICHChamber*) (*fChambers)[idvol])
-               ((AliRICHChamber*)fChambers->At(idvol))
-                   ->SigGenInit(localPos[0], localPos[2], localPos[1]);
-               if (eloss > 0) 
-                 {
-                   if(gMC->TrackPid() == kNeutron)
-                     printf("\n\n\n\n\n Neutron Making Pad Hit!!! \n\n\n\n");
-                   nPads = Hits2SDigits(xhit,yhit,eloss,idvol,kMip);
-                   hits[17] = nPads;
-                   //printf("Npads:%d",NPads);
-                 }
-               xhit     = localPos[0];
-               yhit     = localPos[2]; 
-               eloss    = destep;
-               tlength += step ;
-               //
-               // nothing special  happened, add up energy loss
-           } else {        
-               eloss   += destep;
-               tlength += step ;
-           }
-       }
-      }
-    /*************************************************End of MIP treatment**************************************/
-   //}
-}//void AliRICH::StepManager()
-
-void AliRICH::FindClusters(Int_t nev,Int_t lastEntry)
-{
-
-//
-// Loop on chambers and on cathode planes
-//
-    for (Int_t icat=1;icat<2;icat++) {
-       gAlice->ResetDigits();
-       gAlice->TreeD()->GetEvent(0);
-       for (Int_t ich=0;ich<kNCH;ich++) {
-      //PH       AliRICHChamber* iChamber=(AliRICHChamber*) (*fChambers)[ich];
-         AliRICHChamber* iChamber=(AliRICHChamber*)fChambers->At(ich);
-         TClonesArray *pRICHdigits  = this->DigitsAddress(ich);
-         if (pRICHdigits == 0)       
-             continue;
-         //
-         // Get ready the current chamber stuff
-         //
-         AliRICHResponse* response = iChamber->GetResponseModel();
-         AliSegmentation*  seg = iChamber->GetSegmentationModel();
-         AliRICHClusterFinder* rec = iChamber->GetReconstructionModel();
-         if (seg) {      
-             rec->SetSegmentation(seg);
-             rec->SetResponse(response);
-             rec->SetDigits(pRICHdigits);
-             rec->SetChamber(ich);
-             if (nev==0) rec->CalibrateCOG(); 
-             rec->FindRawClusters();
-         }  
-         TClonesArray *fRch;
-         fRch=RawClustAddress(ich);
-         fRch->Sort();
-       } // for ich
-
-       gAlice->TreeR()->Fill();
-       TClonesArray *fRch;
-       for (int i=0;i<kNCH;i++) {
-           fRch=RawClustAddress(i);
-           int nraw=fRch->GetEntriesFast();
-           printf ("Chamber %d, raw clusters %d\n",i,nraw);
-       }
-       
-       ResetRawClusters();
-       
-    } // for icat
-    
-    char hname[30];
-    sprintf(hname,"TreeR%d",nev);
-    gAlice->TreeR()->Write(hname,kOverwrite,0);
-    gAlice->TreeR()->Reset();
-    
-    //gObjectTable->Print();
-}
-
-AliRICHSDigit* AliRICH::FirstPad(AliRICHHit*  hit,TClonesArray *clusters ) 
+  if(cR&&fLoader->TreeR()){//R
+    CreateClusters();
+    for(Int_t i=0;i<kNCH;i++)
+      MakeBranchInTree(fLoader->TreeR(),Form("%sClusters%d",GetName(),i+1), &((*fClusters)[i]), kBufferSize, 0);    
+  }//R
+  if(GetDebug())Info("MakeBranch","Stop.");   
+}//void AliRICH::MakeBranch(Option_t* option)
+//__________________________________________________________________________________________________
+void AliRICH::SetTreeAddress()
 {
-//
-    // Initialise the pad iterator
-    // Return the address of the first sdigit for hit
-    TClonesArray *theClusters = clusters;
-    Int_t nclust = theClusters->GetEntriesFast();
-    if (nclust && hit->PHlast() > 0) {
-       sMaxIterPad=Int_t(hit->PHlast());
-       sCurIterPad=Int_t(hit->PHfirst());
-       return (AliRICHSDigit*) clusters->UncheckedAt(sCurIterPad-1);
-    } else {
-       return 0;
-    }
-    
-}
-
-AliRICHSDigit* AliRICH::NextPad(TClonesArray *clusters) 
+//Set branch address for the Hits and Digits Tree.
+  if(GetDebug())Info("SetTreeAddress","Start.");
+      
+  TBranch *branch;
+    
+  if(fLoader->TreeH()){//H
+    if(GetDebug())Info("SetTreeAddress","tree H is requested.");
+    CreateHits();//branch map will be in AliDetector::SetTreeAddress    
+  }//H
+  AliDetector::SetTreeAddress();//this is after TreeH because we need to guarantee that fHits array is created
+
+  if(fLoader->TreeS()){//S
+    if(GetDebug())Info("SetTreeAddress","tree S is requested.");
+    branch=fLoader->TreeS()->GetBranch(GetName());        if(branch){CreateSDigits();   branch->SetAddress(&fSdigits);}
+  }//S
+    
+  if(fLoader->TreeD()){//D    
+    if(GetDebug())Info("SetTreeAddress","tree D is requested.");
+    for(int i=0;i<kNCH;i++){      
+      branch=fLoader->TreeD()->GetBranch(Form("%s%d",GetName(),i+1)); 
+      if(branch){CreateDigits(); branch->SetAddress(&((*fDigitsNew)[i]));}
+    }
+  }//D
+    
+  if(fLoader->TreeR()){//R
+    if(GetDebug())Info("SetTreeAddress","tree R is requested.");
+    for(int i=0;i<kNCH;i++){         
+      branch=fLoader->TreeR()->GetBranch(Form("%sClusters%d" ,GetName(),i+1));
+      if(branch){CreateClusters(); branch->SetAddress(&((*fClusters)[i]));}
+    }
+  }//R
+  if(GetDebug())Info("SetTreeAddress","Stop.");
+}//void AliRICH::SetTreeAddress()
+//__________________________________________________________________________________________________
+void AliRICH::Print(Option_t *option)const
+{
+//Debug printout
+  TObject::Print(option);
+  P()->Dump();
+  fChambers->Print(option);  
+}//void AliRICH::Print(Option_t *option)const
+//__________________________________________________________________________________________________
+void AliRICH::CreateGeometry()
 {
-
-  // Iterates over pads
+//Creates detailed geometry simulation (currently GEANT volumes tree)         
+  if(GetDebug())Info("CreateGeometry","Start.");
+//Opaque quartz thickness
+  Float_t oquaThickness = .5;
+//CsI dimensions
+  Float_t pcX=P()->PcSizeX();
+  Float_t pcY=P()->PcSizeY();
   
-    sCurIterPad++;
-    if (sCurIterPad <= sMaxIterPad) {
-       return (AliRICHSDigit*) clusters->UncheckedAt(sCurIterPad-1);
-    } else {
-       return 0;
-    }
-}
-
-AliRICH& AliRICH::operator=(const AliRICH& rhs)
-{
-// Assignment operator
-    return *this;
+  Int_t *idtmed = fIdtmed->GetArray()-999;
     
-}
-
-void AliRICH::DiagnosticsFE(Int_t evNumber1,Int_t evNumber2)
-{
-  
-  Int_t NpadX = 162;                 // number of pads on X
-  Int_t NpadY = 162;                 // number of pads on Y
-  
-  Int_t Pad[162][162];
-  for (Int_t i=0;i<NpadX;i++) {
-    for (Int_t j=0;j<NpadY;j++) {
-      Pad[i][j]=0;
-    }
+  Int_t i;
+  Float_t zs;
+  Int_t idrotm[1099];
+  Float_t par[3];
+    
+//External aluminium box 
+  par[0]=68.8;par[1]=13;par[2]=70.86;  gMC->Gsvolu("RICH", "BOX ", idtmed[1009], par, 3);
+//Air 
+  par[0]=66.3;   par[1] = 13; par[2] = 68.35;      gMC->Gsvolu("SRIC", "BOX ", idtmed[1000], par, 3); 
+//Air 2 (cutting the lower part of the box)
+  par[0]=1.25;    par[1] = 3;    par[2] = 70.86;   gMC->Gsvolu("AIR2", "BOX ", idtmed[1000], par, 3);
+//Air 3 (cutting the lower part of the box)
+  par[0]=66.3;    par[1] = 3;  par[2] = 1.2505;    gMC->Gsvolu("AIR3", "BOX ", idtmed[1000], par, 3);
+//Honeycomb 
+  par[0]=66.3;par[1]=0.188;  par[2] = 68.35;       gMC->Gsvolu("HONE", "BOX ", idtmed[1001], par, 3);
+//Aluminium sheet 
+  par[0]=66.3;par[1]=0.025;par[2]=68.35;           gMC->Gsvolu("ALUM", "BOX ", idtmed[1009], par, 3);
+  //par[0] = 66.5; par[1] = .025; par[2] = 63.1;
+//Quartz 
+  par[0]=P()->QuartzWidth()/2;par[1]=P()->QuartzThickness()/2;par[2]=P()->QuartzLength()/2;
+  gMC->Gsvolu("QUAR", "BOX ", idtmed[1002], par, 3);
+//Spacers (cylinders) 
+  par[0]=0.;par[1]=.5;par[2]=P()->FreonThickness()/2;  gMC->Gsvolu("SPAC", "TUBE", idtmed[1002], par, 3);    
+//Feet (freon slabs supports)
+  par[0] = .7;  par[1] = .3;  par[2] = 1.9;        gMC->Gsvolu("FOOT", "BOX", idtmed[1009], par, 3);
+//Opaque quartz 
+  par[0]=P()->QuartzWidth()/2;par[1]= .2;par[2]=P()->QuartzLength()/2;
+  gMC->Gsvolu("OQUA", "BOX ", idtmed[1007], par, 3);
+//Frame of opaque quartz
+  par[0]=P()->OuterFreonWidth()/2;par[1]=P()->FreonThickness()/2;par[2]=P()->OuterFreonLength()/2; 
+  gMC->Gsvolu("OQF1", "BOX ", idtmed[1007], par, 3);
+  par[0]=P()->InnerFreonWidth()/2;par[1]=P()->FreonThickness()/2;par[2]=P()->InnerFreonLength()/2; 
+  gMC->Gsvolu("OQF2", "BOX ", idtmed[1007], par, 3);
+//Freon 
+  par[0]=P()->OuterFreonWidth()/2 - oquaThickness;
+  par[1]=P()->FreonThickness()/2;
+  par[2]=P()->OuterFreonLength()/2 - 2*oquaThickness; 
+  gMC->Gsvolu("FRE1", "BOX ", idtmed[1003], par, 3);
+
+  par[0]=P()->InnerFreonWidth()/2 - oquaThickness;
+  par[1]=P()->FreonThickness()/2;
+  par[2]=P()->InnerFreonLength()/2 - 2*oquaThickness; 
+  gMC->Gsvolu("FRE2", "BOX ", idtmed[1003], par, 3);    
+//Methane 
+  par[0]=pcX/2;par[1]=P()->GapThickness()/2;par[2]=pcY/2;         gMC->Gsvolu("META","BOX ",idtmed[1004], par, 3);
+//Methane gap 
+  par[0]=pcX/2;par[1]=P()->ProximityGap()/2;par[2]=pcY/2;gMC->Gsvolu("GAP ","BOX ",(*fIdtmed)[kGAP],par,3);
+//CsI PC
+  par[0]=pcX/2;par[1]=.25;par[2]=pcY/2;  gMC->Gsvolu("CSI ", "BOX ", (*fIdtmed)[kCSI], par, 3);
+//Anode grid 
+  par[0] = 0.;par[1] = .001;par[2] = 20.;  gMC->Gsvolu("GRID", "TUBE", idtmed[1006], par, 3);
+
+//Wire supports
+//Bar of metal
+  par[0]=pcX/2;par[1]=1.05;par[2]=1.05;  gMC->Gsvolu("WSMe", "BOX ", idtmed[1009], par, 3);
+//Ceramic pick up (base)
+  par[0]=pcX/2;par[1]= .25;par[2]=1.05;  gMC->Gsvolu("WSG1", "BOX ", idtmed[1010], par, 3);
+//Ceramic pick up (head)
+  par[0] = pcX/2;par[1] = .1;par[2] = .1;  gMC->Gsvolu("WSG2", "BOX ", idtmed[1010], par, 3);
+
+//Aluminium supports for methane and CsI
+//Short bar
+  par[0]=pcX/2;par[1]=P()->GapThickness()/2 + .25; par[2] = (68.35 - pcY/2)/2;
+  gMC->Gsvolu("SMSH", "BOX", idtmed[1009], par, 3);
+//Long bar
+  par[0]=(66.3 - pcX/2)/2;par[1]=P()->GapThickness()/2+.25;par[2]=pcY/2+68.35-pcY/2;
+  gMC->Gsvolu("SMLG", "BOX", idtmed[1009], par, 3);
+    
+//Aluminium supports for freon
+//Short bar
+  par[0] = P()->QuartzWidth()/2; par[1] = .3; par[2] = (68.35 - P()->QuartzLength()/2)/2;
+  gMC->Gsvolu("SFSH", "BOX", idtmed[1009], par, 3);    
+//Long bar
+  par[0] = (66.3 - P()->QuartzWidth()/2)/2; par[1] = .3;
+  par[2] = P()->QuartzLength()/2 + 68.35 - P()->QuartzLength()/2;
+  gMC->Gsvolu("SFLG", "BOX", idtmed[1009], par, 3);    
+//PCB backplane
+  par[0] = pcX/2;par[1] = .25; par[2] = pcY/4 -.5025;  gMC->Gsvolu("PCB ", "BOX", idtmed[1011], par, 3);
+
+//Backplane supports
+//Aluminium slab
+  par[0] = 33.15;par[1] = 2;par[2] = 21.65;  gMC->Gsvolu("BACK", "BOX", idtmed[1009], par, 3);    
+//Big hole
+  par[0] = 9.05; par[1] = 2; par[2] = 4.4625;  gMC->Gsvolu("BKHL", "BOX", idtmed[1000], par, 3);
+//Small hole
+  par[0] = 5.7;par[1] = 2;par[2] = 4.4625;  gMC->Gsvolu("BKHS", "BOX", idtmed[1000], par, 3);
+//Place holes inside backplane support
+  gMC->Gspos("BKHS", 1, "BACK", .8 + 5.7,0., .6 + 4.4625, 0, "ONLY");
+  gMC->Gspos("BKHS", 2, "BACK", -.8 - 5.7,0., .6 + 4.4625, 0, "ONLY");
+  gMC->Gspos("BKHS", 3, "BACK", .8 + 5.7,0., -.6 - 4.4625, 0, "ONLY");
+  gMC->Gspos("BKHS", 4, "BACK", -.8 - 5.7,0., -.6 - 4.4625, 0, "ONLY");
+  gMC->Gspos("BKHS", 5, "BACK", .8 + 5.7,0., .6 + 8.925 + 1.2 + 4.4625, 0, "ONLY");
+  gMC->Gspos("BKHS", 6, "BACK", -.8 - 5.7,0., .6 + 8.925 + 1.2 + 4.4625, 0, "ONLY");
+  gMC->Gspos("BKHS", 7, "BACK", .8 + 5.7,0., -.6 - 8.925 - 1.2 - 4.4625, 0, "ONLY");
+  gMC->Gspos("BKHS", 8, "BACK", -.8 - 5.7,0., -.6 - 8.925 - 1.2 - 4.4625, 0, "ONLY");
+  gMC->Gspos("BKHL", 1, "BACK", .8 + 11.4 + 1.6 + 9.05, 0., .6 + 4.4625, 0, "ONLY");
+  gMC->Gspos("BKHL", 2, "BACK", -.8 - 11.4 - 1.6 - 9.05, 0., .6 + 4.4625, 0, "ONLY");
+  gMC->Gspos("BKHL", 3, "BACK", .8 + 11.4 + 1.6 + 9.05, 0., -.6 - 4.4625, 0, "ONLY");
+  gMC->Gspos("BKHL", 4, "BACK", -.8 - 11.4 - 1.6 - 9.05, 0., -.6 - 4.4625, 0, "ONLY");
+  gMC->Gspos("BKHL", 5, "BACK", .8 + 11.4+ 1.6 + 9.05, 0., .6 + 8.925 + 1.2 + 4.4625, 0, "ONLY");
+  gMC->Gspos("BKHL", 6, "BACK", -.8 - 11.4 - 1.6 - 9.05, 0., .6 + 8.925 + 1.2 + 4.4625, 0, "ONLY");
+  gMC->Gspos("BKHL", 7, "BACK", .8 + 11.4 + 1.6 + 9.05, 0., -.6 - 8.925 - 1.2 - 4.4625, 0, "ONLY");
+  gMC->Gspos("BKHL", 8, "BACK", -.8 - 11.4 - 1.6 - 9.05, 0., -.6 - 8.925 - 1.2 - 4.4625, 0, "ONLY");
+//Place material inside RICH 
+  gMC->Gspos("SRIC", 1, "RICH", 0.,0., 0., 0, "ONLY");
+  gMC->Gspos("AIR2", 1, "RICH", 66.3 + 1.2505, 1.276-P()->GapThickness()/2-P()->QuartzThickness()-P()->FreonThickness()- .4 - .6 - .05 - .376 -.5 - 3.35, 0., 0, "ONLY");
+  gMC->Gspos("AIR2", 2, "RICH", -66.3 - 1.2505,1.276-P()->GapThickness()/2-P()->QuartzThickness()-P()->FreonThickness()- .4 - .6 - .05 - .376 -.5 - 3.35, 0., 0, "ONLY");
+  gMC->Gspos("AIR3", 1, "RICH", 0., 1.276-P()->GapThickness()/2 - P()->QuartzThickness() - P()->FreonThickness()- .4 - .6 - .05 - .376 -.5 - 3.35, -68.35 - 1.25, 0, "ONLY");
+  gMC->Gspos("AIR3", 2, "RICH", 0., 1.276 - P()->GapThickness()/2 - P()->QuartzThickness() - P()->FreonThickness()- .4 - .6 - .05 - .376 -.5 - 3.35,  68.35 + 1.25, 0, "ONLY");
+  gMC->Gspos("ALUM", 1, "SRIC", 0., 1.276 - P()->GapThickness()/2 - P()->QuartzThickness() - P()->FreonThickness()- .4 - .6 - .05 - .376 -.025, 0., 0, "ONLY");
+  gMC->Gspos("HONE", 1, "SRIC", 0., 1.276- P()->GapThickness()/2  - P()->QuartzThickness() - P()->FreonThickness()- .4 - .6 - .05 - .188, 0., 0, "ONLY");
+  gMC->Gspos("ALUM", 2, "SRIC", 0., 1.276 - P()->GapThickness()/2 - P()->QuartzThickness() - P()->FreonThickness()- .4 - .6 - .025, 0., 0, "ONLY");
+  gMC->Gspos("FOOT", 1, "SRIC", 64.95, 1.276 - P()->GapThickness()/2 - P()->QuartzThickness() - P()->FreonThickness()- .4 - .3, 36.9, 0, "ONLY");
+  gMC->Gspos("FOOT", 2, "SRIC", 21.65, 1.276 - P()->GapThickness()/2 - P()->QuartzThickness() - P()->FreonThickness()- .4 - .3 , 36.9, 0, "ONLY");
+  gMC->Gspos("FOOT", 3, "SRIC", -21.65, 1.276 - P()->GapThickness()/2 - P()->QuartzThickness() - P()->FreonThickness()- .4 - .3, 36.9, 0, "ONLY");
+  gMC->Gspos("FOOT", 4, "SRIC", -64.95, 1.276 - P()->GapThickness()/2 - P()->QuartzThickness() - P()->FreonThickness()- .4 - .3, 36.9, 0, "ONLY");
+  gMC->Gspos("FOOT", 5, "SRIC", 64.95, 1.276 - P()->GapThickness()/2 - P()->QuartzThickness() - P()->FreonThickness()- .4 - .3, -36.9, 0, "ONLY");
+  gMC->Gspos("FOOT", 6, "SRIC", 21.65, 1.276 - P()->GapThickness()/2 - P()->QuartzThickness() - P()->FreonThickness()- .4 - .3, -36.9, 0, "ONLY");
+  gMC->Gspos("FOOT", 7, "SRIC", -21.65, 1.276 - P()->GapThickness()/2 - P()->QuartzThickness() - P()->FreonThickness()- .4 - .3, -36.9, 0, "ONLY");
+  gMC->Gspos("FOOT", 8, "SRIC", -64.95, 1.276 - P()->GapThickness()/2 - P()->QuartzThickness() - P()->FreonThickness()- .4 - .3, -36.9, 0, "ONLY");
+  gMC->Gspos("OQUA", 1, "SRIC", 0., 1.276 - P()->GapThickness()/2 - P()->QuartzThickness() - P()->FreonThickness()- .2, 0., 0, "ONLY");
+// Methane supports
+  gMC->Gspos("SMLG", 1, "SRIC", pcX/2 + (66.3 - pcX/2)/2, 1.276 + .25, 0., 0, "ONLY");
+  gMC->Gspos("SMLG", 2, "SRIC", - pcX/2 - (66.3 - pcX/2)/2, 1.276 + .25, 0., 0, "ONLY");
+  gMC->Gspos("SMSH", 1, "SRIC", 0., 1.276 + .25, pcY/2 + (68.35 - pcY/2)/2, 0, "ONLY");
+  gMC->Gspos("SMSH", 2, "SRIC", 0., 1.276 + .25, - pcY/2 - (68.35 - pcY/2)/2, 0, "ONLY");
+//Freon supports
+  Float_t suppY = 1.276 - P()->GapThickness()/2- P()->QuartzThickness() -P()->FreonThickness() - .2 + .3; //y position of freon supports
+  gMC->Gspos("SFLG", 1, "SRIC", P()->QuartzWidth()/2 + (66.3 - P()->QuartzWidth()/2)/2, suppY, 0., 0, "ONLY");
+  gMC->Gspos("SFLG", 2, "SRIC", - P()->QuartzWidth()/2 - (66.3 - P()->QuartzWidth()/2)/2, suppY, 0., 0, "ONLY");
+  gMC->Gspos("SFSH", 1, "SRIC", 0., suppY, P()->QuartzLength()/2 + (68.35 - P()->QuartzLength()/2)/2, 0, "ONLY");
+  gMC->Gspos("SFSH", 2, "SRIC", 0., suppY, - P()->QuartzLength()/2 - (68.35 - P()->QuartzLength()/2)/2, 0, "ONLY");
+  AliMatrix(idrotm[1019], 0., 0., 90., 0., 90., 90.);
+//Place spacers
+  Int_t nspacers = 30;
+  for (i = 0; i < nspacers/3; i++) {
+    zs = -11.6/2 + (TMath::Abs(nspacers/6) - i) * 12.2;
+    gMC->Gspos("SPAC", i, "FRE1", 10.5, 0., zs, idrotm[1019], "ONLY");  //Original settings 
+  }
+  for (i = nspacers/3; i < (nspacers*2)/3; i++) {
+    zs = -11.6/2 + (nspacers/3 + TMath::Abs(nspacers/6) - i) * 12.2;
+    gMC->Gspos("SPAC", i, "FRE1", 0, 0., zs, idrotm[1019], "ONLY");  //Original settings 
+  }
+  for (i = (nspacers*2)/3; i < nspacers; ++i) {
+    zs = -11.6/2 + ((nspacers*2)/3 + TMath::Abs(nspacers/6) - i) * 12.2;
+    gMC->Gspos("SPAC", i, "FRE1", -10.5, 0., zs, idrotm[1019], "ONLY"); //Original settings  
+  }
+  for (i = 0; i < nspacers/3; i++) {
+    zs = -11.6/2 + (TMath::Abs(nspacers/6) - i) * 12.2;
+    gMC->Gspos("SPAC", i, "FRE2", 10.5, 0., zs, idrotm[1019], "ONLY");  //Original settings 
+  }
+  for (i = nspacers/3; i < (nspacers*2)/3; i++) {
+    zs = -11.6/2 + (nspacers/3 + TMath::Abs(nspacers/6) - i) * 12.2;
+    gMC->Gspos("SPAC", i, "FRE2", 0, 0., zs, idrotm[1019], "ONLY");  //Original settings 
+  }
+  for (i = (nspacers*2)/3; i < nspacers; ++i) {
+    zs = -11.6/2 + ((nspacers*2)/3 + TMath::Abs(nspacers/6) - i) * 12.2;
+    gMC->Gspos("SPAC", i, "FRE2", -10.5, 0., zs, idrotm[1019], "ONLY"); //Original settings  
+  }
+  gMC->Gspos("FRE1", 1, "OQF1", 0., 0., 0., 0, "ONLY");
+  gMC->Gspos("FRE2", 1, "OQF2", 0., 0., 0., 0, "ONLY");
+  gMC->Gspos("OQF1", 1, "SRIC", P()->OuterFreonWidth()/2 + P()->InnerFreonWidth()/2 + 2, 1.276 - P()->GapThickness()/2- P()->QuartzThickness() -P()->FreonThickness()/2, 0., 0, "ONLY"); //Original settings (31.3)
+  gMC->Gspos("OQF2", 2, "SRIC", 0., 1.276 - P()->GapThickness()/2 - P()->QuartzThickness() - P()->FreonThickness()/2, 0., 0, "ONLY");          //Original settings 
+  gMC->Gspos("OQF1", 3, "SRIC", - (P()->OuterFreonWidth()/2 + P()->InnerFreonWidth()/2) - 2, 1.276 - P()->GapThickness()/2 - P()->QuartzThickness() - P()->FreonThickness()/2, 0., 0, "ONLY");       //Original settings (-31.3)
+  gMC->Gspos("QUAR", 1, "SRIC", 0., 1.276 - P()->GapThickness()/2 - P()->QuartzThickness()/2, 0., 0, "ONLY");
+  gMC->Gspos("GAP ", 1, "META", 0., P()->GapThickness()/2 - P()->ProximityGap()/2 - 0.0001, 0., 0, "ONLY");
+  gMC->Gspos("META", 1, "SRIC", 0., 1.276, 0., 0, "ONLY");
+  gMC->Gspos("CSI ", 1, "SRIC", 0., 1.276 + P()->GapThickness()/2 + .25, 0., 0, "ONLY");
+//Wire support placing
+  gMC->Gspos("WSG2", 1, "GAP ", 0., P()->ProximityGap()/2 - .1, 0., 0, "ONLY");
+  gMC->Gspos("WSG1", 1, "CSI ", 0., 0., 0., 0, "ONLY");
+  gMC->Gspos("WSMe", 1, "SRIC ", 0., 1.276 + P()->GapThickness()/2 + .5 + 1.05, 0., 0, "ONLY");
+//Backplane placing
+  gMC->Gspos("BACK", 1, "SRIC ", -33.15, 1.276 + P()->GapThickness()/2 + .5 + 2.1 + 2, 43.3, 0, "ONLY");
+  gMC->Gspos("BACK", 2, "SRIC ", 33.15, 1.276 + P()->GapThickness()/2 + .5 + 2.1 + 2 , 43.3, 0, "ONLY");
+  gMC->Gspos("BACK", 3, "SRIC ", -33.15, 1.276 + P()->GapThickness()/2 + .5 + 2.1 + 2, 0., 0, "ONLY");
+  gMC->Gspos("BACK", 4, "SRIC ", 33.15, 1.276 + P()->GapThickness()/2 + .5 + 2.1 + 2, 0., 0, "ONLY");
+  gMC->Gspos("BACK", 5, "SRIC ", 33.15, 1.276 + P()->GapThickness()/2 + .5 + 2.1 + 2, -43.3, 0, "ONLY");
+  gMC->Gspos("BACK", 6, "SRIC ", -33.15, 1.276 + P()->GapThickness()/2 + .5 + 2.1 + 2, -43.3, 0, "ONLY");
+//PCB placing
+  gMC->Gspos("PCB ", 1, "SRIC ", 0.,  1.276 + P()->GapThickness()/2 + .5 + 1.05, pcX/4 + .5025 + 2.5, 0, "ONLY");
+  gMC->Gspos("PCB ", 2, "SRIC ", 0.,  1.276 + P()->GapThickness()/2 + .5 + 1.05, -pcX/4 - .5025 - 2.5, 0, "ONLY");
+
+//place chambers into mother volume ALIC
+  for(int i=1;i<=kNCH;i++){
+    AliMatrix(idrotm[1000+i],C(i)->ThetaXd(),C(i)->PhiXd(),
+                             C(i)->ThetaYd(),C(i)->PhiYd(),
+                             C(i)->ThetaZd(),C(i)->PhiZd());
+    gMC->Gspos("RICH",i,"ALIC",C(i)->X(),C(i)->Y(),C(i)->Z(),idrotm[1000+i], "ONLY");
   }
-  
-  //  Create some histograms
-
-  TH1F *pionspectra1 = new TH1F("pionspectra1","Pion Spectra",200,-4,2);
-  TH1F *pionspectra2 = new TH1F("pionspectra2","Pion Spectra",200,-4,2);
-  TH1F *pionspectra3 = new TH1F("pionspectra3","Pion Spectra",200,-4,2);
-  TH1F *protonspectra1 = new TH1F("protonspectra1","Proton Spectra",200,-4,2);
-  TH1F *protonspectra2 = new TH1F("protonspectra2","Proton Spectra",200,-4,2);
-  TH1F *protonspectra3 = new TH1F("protonspectra3","Proton Spectra",200,-4,2);
-  TH1F *kaonspectra1 = new TH1F("kaonspectra1","Kaon Spectra",100,-4,2);
-  TH1F *kaonspectra2 = new TH1F("kaonspectra2","Kaon Spectra",100,-4,2);
-  TH1F *kaonspectra3 = new TH1F("kaonspectra3","Kaon Spectra",100,-4,2);
-  TH1F *electronspectra1 = new TH1F("electronspectra1","Electron Spectra",100,-4,2);
-  TH1F *electronspectra2 = new TH1F("electronspectra2","Electron Spectra",100,-4,2);
-  TH1F *electronspectra3 = new TH1F("electronspectra3","Electron Spectra",100,-4,2);
-  TH1F *muonspectra1 = new TH1F("muonspectra1","Muon Spectra",100,-4,2);
-  TH1F *muonspectra2 = new TH1F("muonspectra2","Muon Spectra",100,-4,2);
-  TH1F *muonspectra3 = new TH1F("muonspectra3","Muon Spectra",100,-4,2);
-  TH1F *neutronspectra1 = new TH1F("neutronspectra1","Neutron Spectra",100,-4,2);
-  TH1F *neutronspectra2 = new TH1F("neutronspectra2","Neutron Spectra",100,-4,2);
-  TH1F *neutronspectra3 = new TH1F("neutronspectra2","Neutron Spectra",100,-4,2);
-  TH1F *chargedspectra1 = new TH1F("chargedspectra1","Charged particles above 1 GeV Spectra",100,-1,3);
-  TH1F *chargedspectra2 = new TH1F("chargedspectra2","Charged particles above 1 GeV Spectra",100,-1,3);
-  TH1F *chargedspectra3 = new TH1F("chargedspectra2","Charged particles above 1 GeV Spectra",100,-1,3);
-  TH1F *pionptspectrafinal = new TH1F("pionptspectrafinal","Primary Pions Transverse Momenta at HMPID",20,0,5);
-  TH1F *pionptspectravertex = new TH1F("pionptspectravertex","Primary Pions Transverse Momenta at vertex",20,0,5);
-  TH1F *kaonptspectrafinal = new TH1F("kaonptspectrafinal","Primary Kaons Transverse Momenta at HMPID",20,0,5);
-  TH1F *kaonptspectravertex = new TH1F("kaonptspectravertex","Primary Kaons Transverse Momenta at vertex",20,0,5);
-  //TH1F *hitsPhi = new TH1F("hitsPhi","Distribution of phi angle of incidence",100,-180,180);
-  TH1F *hitsTheta = new TH1F("hitsTheta","Distribution of Theta angle of incidence, all tracks",100,0,50);
-  TH1F *hitsTheta500MeV = new TH1F("hitsTheta500MeV","Distribution of Theta angle of incidence, 0.5-1 GeV primary tracks",100,0,50);
-  TH1F *hitsTheta1GeV = new TH1F("hitsTheta1GeV","Distribution of Theta angle of incidence, 1-2 GeV primary tracks",100,0,50);
-  TH1F *hitsTheta2GeV = new TH1F("hitsTheta2GeV","Distribution of Theta angle of incidence, 2-3 GeV primary tracks",100,0,50);
-  TH1F *hitsTheta3GeV = new TH1F("hitsTheta3GeV","Distribution of Theta angle of incidence, >3 GeV primary tracks",100,0,50);
-  TH2F *production = new TH2F("production","Mother production vertices",100,-300,300,100,0,600);
-   
-   
-   
-
-//   Start loop over events 
-
-  Int_t pion=0, kaon=0, proton=0, electron=0, positron=0, neutron=0, highneutrons=0, muon=0;
-  Int_t chargedpions=0,primarypions=0,highprimarypions=0,chargedkaons=0,primarykaons=0,highprimarykaons=0;
-  Int_t photons=0, primaryphotons=0, highprimaryphotons=0;
-  TRandom* random=0;
-
-   for (int nev=0; nev<= evNumber2; nev++) {
-       Int_t nparticles = gAlice->GetEvent(nev);
-       
-
-       printf ("Event number       : %d\n",nev);
-       printf ("Number of particles: %d\n",nparticles);
-       if (nev < evNumber1) continue;
-       if (nparticles <= 0) return;
-       
-// Get pointers to RICH detector and Hits containers
-       
-       AliRICH *pRICH = (AliRICH *) gAlice->GetDetector("RICH");
-     
-       TTree *treeH = gAlice->TreeH();
-       Int_t ntracks =(Int_t) treeH->GetEntries();
-            
-// Start loop on tracks in the hits containers
-       
-       for (Int_t track=0; track<ntracks;track++) {
-          printf ("Processing Track: %d\n",track);
-          gAlice->ResetHits();
-          treeH->GetEvent(track);
-                          
-          for(AliRICHHit* mHit=(AliRICHHit*)pRICH->FirstHit(-1); 
-              mHit;
-              mHit=(AliRICHHit*)pRICH->NextHit()) 
-            {
-              //Int_t nch  = mHit->fChamber;              // chamber number
-              //Float_t x  = mHit->X();                    // x-pos of hit
-              //Float_t y  = mHit->Z();                    // y-pos
-              //Float_t z  = mHit->Y();
-              //Float_t phi = mHit->Phi();                 //Phi angle of incidence
-              Float_t theta = mHit->Theta();             //Theta angle of incidence
-              Float_t px = mHit->MomX();
-              Float_t py = mHit->MomY();
-              Int_t index = mHit->Track();
-              Int_t particle = (Int_t)(mHit->Particle());    
-              Float_t R;
-              Float_t PTfinal;
-              Float_t PTvertex;
-
-             TParticle *current = gAlice->Particle(index);
-             
-             //Float_t energy=current->Energy(); 
-
-             R=TMath::Sqrt(current->Vx()*current->Vx() + current->Vy()*current->Vy());
-             PTfinal=TMath::Sqrt(px*px + py*py);
-             PTvertex=TMath::Sqrt(current->Px()*current->Px() + current->Py()*current->Py());
-             
-             
-
-             if (TMath::Abs(particle) < 10000000)
-               {
-                 hitsTheta->Fill(theta,(float) 1);
-                 if (R<5)
-                   {
-                     if (PTvertex>.5 && PTvertex<=1)
-                       {
-                         hitsTheta500MeV->Fill(theta,(float) 1);
-                       }
-                     if (PTvertex>1 && PTvertex<=2)
-                       {
-                         hitsTheta1GeV->Fill(theta,(float) 1);
-                       }
-                     if (PTvertex>2 && PTvertex<=3)
-                       {
-                         hitsTheta2GeV->Fill(theta,(float) 1);
-                       }
-                     if (PTvertex>3)
-                       {
-                         hitsTheta3GeV->Fill(theta,(float) 1);
-                       }
-                   }
-                 
-               }
-
-             //if (nch == 3)
-               //{
-             
-             //printf("Particle type: %d\n",current->GetPdgCode());
-             if (TMath::Abs(particle) < 50000051)
-               {
-                 //if (TMath::Abs(particle) == 50000050 || TMath::Abs(particle) == 2112)
-                 if (TMath::Abs(particle) == 2112 || TMath::Abs(particle) == 50000050)
-                   {
-                     //gMC->Rndm(&random, 1);
-                     if (random->Rndm() < .1)
-                       production->Fill(current->Vz(),R,(float) 1);
-                     if (TMath::Abs(particle) == 50000050)
-                       //if (TMath::Abs(particle) > 50000000)
-                       {
-                         photons +=1;
-                         if (R<5)
-                           {
-                             primaryphotons +=1;
-                             if (current->Energy()>0.001)
-                               highprimaryphotons +=1;
-                           }
-                       }       
-                     if (TMath::Abs(particle) == 2112)
-                       {
-                         neutron +=1;
-                         if (current->Energy()>0.0001)
-                           highneutrons +=1;
-                       }
-                   }
-                 if (TMath::Abs(particle) < 50000000)
-                   {
-                     production->Fill(current->Vz(),R,(float) 1);
-                     //printf("Adding %d at %f\n",particle,R);
-                   }
-                 //mip->Fill(x,y,(float) 1);
-               }
-             
-             if (TMath::Abs(particle)==211 || TMath::Abs(particle)==111)
-               {
-                 if (R<5)
-                   {
-                     pionptspectravertex->Fill(PTvertex,(float) 1);
-                     pionptspectrafinal->Fill(PTfinal,(float) 1);
-                   }
-               }
-             
-             if (TMath::Abs(particle)==321 || TMath::Abs(particle)==130 || TMath::Abs(particle)==310 
-                 || TMath::Abs(particle)==311)
-               {
-                 if (R<5)
-                   {
-                     kaonptspectravertex->Fill(PTvertex,(float) 1);
-                     kaonptspectrafinal->Fill(PTfinal,(float) 1);
-                   }
-               }
-             
-             
-             if (TMath::Abs(particle)==211 || TMath::Abs(particle)==111)
-               {
-                 pionspectra1->Fill(TMath::Log10(current->Energy() - current->GetCalcMass()),(float) 1);
-                 //printf ("fParticle: %d, PDG code:%d\n",particle,current->GetPdgCode());
-                 if (current->Vx()>5 && current->Vy()>5 && current->Vz()>5)
-                   pionspectra2->Fill(TMath::Log10(current->Energy() - current->GetCalcMass()),(float) 1);
-                 if (R>250 && R<450)
-                   {
-                     pionspectra3->Fill(TMath::Log10(current->Energy() - current->GetCalcMass()),(float) 1);
-                     //printf("\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\R:%f\n\n\n\n\n\n\n\n\n",R);
-                   }
-                 //printf("Pion mass: %e\n",current->GetCalcMass());
-                 pion +=1;
-                 if (TMath::Abs(particle)==211)
-                   {
-                     chargedpions +=1;
-                     if (R<5)
-                       {
-                         primarypions +=1;
-                         if (current->Energy()>1)
-                           highprimarypions +=1;
-                       }
-                   }   
-               }
-             if (TMath::Abs(particle)==2212)
-               {
-                 protonspectra1->Fill(TMath::Log10(current->Energy() - current->GetCalcMass()),(float) 1);
-                 //ptspectra->Fill(Pt,(float) 1);
-                 if (current->Vx()>5 && current->Vy()>5 && current->Vz()>5)
-                   protonspectra2->Fill(TMath::Log10(current->Energy() - current->GetCalcMass()),(float) 1);
-                 if (R>250 && R<450)
-                   protonspectra3->Fill(TMath::Log10(current->Energy() - current->GetCalcMass()),(float) 1);
-                 //printf("\n\n\n\n\n\n\nProton mass: %e\n\n\n\n\n\n\n\n\n",current->GetCalcMass());
-                 proton +=1;
-               }
-             if (TMath::Abs(particle)==321 || TMath::Abs(particle)==130 || TMath::Abs(particle)==310 
-                 || TMath::Abs(particle)==311)
-               {
-                 kaonspectra1->Fill(TMath::Log10(current->Energy() - current->GetCalcMass()),(float) 1);
-                 //ptspectra->Fill(Pt,(float) 1);
-                 if (current->Vx()>5 && current->Vy()>5 && current->Vz()>5)
-                   kaonspectra2->Fill(TMath::Log10(current->Energy() - current->GetCalcMass()),(float) 1);
-                 if (R>250 && R<450)
-                   kaonspectra3->Fill(TMath::Log10(current->Energy() - current->GetCalcMass()),(float) 1);
-                 //printf("Kaon mass: %e\n",current->GetCalcMass());
-                 kaon +=1;
-                 if (TMath::Abs(particle)==321)
-                   {
-                     chargedkaons +=1;
-                     if (R<5)
-                       {
-                         primarykaons +=1;
-                         if (current->Energy()>1)
-                           highprimarykaons +=1;
-                       }
-                   }
-               }
-             if (TMath::Abs(particle)==11)
-               {
-                 electronspectra1->Fill(TMath::Log10(current->Energy() - current->GetCalcMass()),(float) 1);
-                 //ptspectra->Fill(Pt,(float) 1);
-                 if (current->Vx()>5 && current->Vy()>5 && current->Vz()>5)
-                   electronspectra2->Fill(TMath::Log10(current->Energy() - current->GetCalcMass()),(float) 1);
-                 if (R>250 && R<450)
-                   electronspectra3->Fill(TMath::Log10(current->Energy() - current->GetCalcMass()),(float) 1);
-                 //printf("Electron mass: %e\n",current->GetCalcMass());
-                 if (particle == 11)
-                   electron +=1;
-                 if (particle == -11)
-                   positron +=1;
-               }
-             if (TMath::Abs(particle)==13)
-               {
-                 muonspectra1->Fill(TMath::Log10(current->Energy() - current->GetCalcMass()),(float) 1);
-                 //ptspectra->Fill(Pt,(float) 1);
-                 if (current->Vx()>5 && current->Vy()>5 && current->Vz()>5)
-                   muonspectra2->Fill(TMath::Log10(current->Energy() - current->GetCalcMass()),(float) 1);
-                 if (R>250 && R<450)
-                   muonspectra3->Fill(TMath::Log10(current->Energy() - current->GetCalcMass()),(float) 1);
-                 //printf("Muon mass: %e\n",current->GetCalcMass());
-                 muon +=1;
-               }
-             if (TMath::Abs(particle)==2112)
-               {
-                 neutronspectra1->Fill(TMath::Log10(current->Energy() - current->GetCalcMass()),(float) 1);
-                 //ptspectra->Fill(Pt,(float) 1);
-                 if (current->Vx()>5 && current->Vy()>5 && current->Vz()>5)
-                   neutronspectra2->Fill(TMath::Log10(current->Energy() - current->GetCalcMass()),(float) 1);
-                 if (R>250 && R<450)
-                   {
-                     neutronspectra3->Fill(TMath::Log10(current->Energy() - current->GetCalcMass()),(float) 1);
-                     //printf("\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\R:%f\n\n\n\n\n\n\n\n\n",R);
-                   }
-                 //printf("Neutron mass: %e\n",current->GetCalcMass());
-                 neutron +=1;
-               }
-             if(TMath::Abs(particle)==211 || TMath::Abs(particle)==2212 || TMath::Abs(particle)==321)
-               {
-                 if (current->Energy()-current->GetCalcMass()>1)
-                   {
-                     chargedspectra1->Fill(TMath::Log10(current->Energy() - current->GetCalcMass()),(float) 1);
-                     if (current->Vx()>5 && current->Vy()>5 && current->Vz()>5)
-                       chargedspectra2->Fill(TMath::Log10(current->Energy() - current->GetCalcMass()),(float) 1);
-                     if (R>250 && R<450)
-                       chargedspectra3->Fill(TMath::Log10(current->Energy() - current->GetCalcMass()),(float) 1);
-                   }
-               }
-             //printf("Hits:%d\n",hit);
-             //printf ("Chamber number:%d x:%f y:%f\n",nch,x,y);
-             // Fill the histograms
-             //Nh1+=nhits;
-             //h->Fill(x,y,(float) 1);
-             //}
-             //}
-          }          
-          
-       }
-       
-   }
-   //   }
-
-   TStyle *mystyle=new TStyle("Plain","mystyle");
-   mystyle->SetPalette(1,0);
-   mystyle->cd();
-   
-   //Create canvases, set the view range, show histograms
-
-    TCanvas *c2 = new TCanvas("c2","Angles of incidence",150,150,100,150);
-    c2->Divide(2,2);
-    //c2->SetFillColor(42);
-    
-    c2->cd(1);
-    hitsTheta500MeV->SetFillColor(5);
-    hitsTheta500MeV->Draw();
-    c2->cd(2);
-    hitsTheta1GeV->SetFillColor(5);
-    hitsTheta1GeV->Draw();
-    c2->cd(3);
-    hitsTheta2GeV->SetFillColor(5);
-    hitsTheta2GeV->Draw();
-    c2->cd(4);
-    hitsTheta3GeV->SetFillColor(5);
-    hitsTheta3GeV->Draw();
-    
-            
-   
-    TCanvas *c15 = new TCanvas("c15","Mothers Production Vertices",50,50,600,600);
-    c15->cd();
-    production->SetFillColor(42);
-    production->SetXTitle("z (m)");
-    production->SetYTitle("R (m)");
-    production->Draw();
 
-    TCanvas *c10 = new TCanvas("c10","Pt Spectra",50,50,600,700);
-    c10->Divide(2,2);
-    c10->cd(1);
-    pionptspectravertex->SetFillColor(5);
-    pionptspectravertex->SetXTitle("Pt (GeV)");
-    pionptspectravertex->Draw();
-    c10->cd(2);
-    pionptspectrafinal->SetFillColor(5);
-    pionptspectrafinal->SetXTitle("Pt (GeV)");
-    pionptspectrafinal->Draw();
-    c10->cd(3);
-    kaonptspectravertex->SetFillColor(5);
-    kaonptspectravertex->SetXTitle("Pt (GeV)");
-    kaonptspectravertex->Draw();
-    c10->cd(4);
-    kaonptspectrafinal->SetFillColor(5);
-    kaonptspectrafinal->SetXTitle("Pt (GeV)");
-    kaonptspectrafinal->Draw();
-   
+  if(GetDebug())Info("CreateGeometry","Stop.");  
+}//void AliRICH::CreateGeometry()
+//__________________________________________________________________________________________________
+void AliRICH::CreateChambers()
+{
+//create all RICH Chambers on each call. Previous chambers deleted
+  if(fChambers) delete fChambers;
+  if(GetDebug())Info("CreateChambers","Creating RICH chambers.");
+  fChambers=new TObjArray(kNCH);
+  fChambers->SetOwner();
+  for(int i=0;i<kNCH;i++)  fChambers->AddAt(new AliRICHChamber(i+1,P()),i);  
+}//void AliRICH::CreateChambers()
+//__________________________________________________________________________________________________
+void AliRICH::GenerateFeedbacks(Int_t iChamber,Float_t eloss)
+{
+// Generate FeedBack photons 
+// eloss=0 means photon so only pulse height distribution is to be analysed. This one is done in AliRICHParam::TotQdc()
   
-   TCanvas *c16 = new TCanvas("c16","Particles Spectra II",150,150,600,350);
-   c16->Divide(2,1);
-   
-   c16->cd(1);
-   //TCanvas *c13 = new TCanvas("c13","Electron Spectra",400,10,600,700);
-   electronspectra1->SetFillColor(5);
-   electronspectra1->SetXTitle("log(GeV)");
-   electronspectra2->SetFillColor(46);
-   electronspectra2->SetXTitle("log(GeV)");
-   electronspectra3->SetFillColor(10);
-   electronspectra3->SetXTitle("log(GeV)");
-   //c13->SetLogx();
-   electronspectra1->Draw();
-   electronspectra2->Draw("same");
-   electronspectra3->Draw("same");
-   
-   c16->cd(2);
-   //TCanvas *c14 = new TCanvas("c14","Muon Spectra",400,10,600,700);
-   muonspectra1->SetFillColor(5);
-   muonspectra1->SetXTitle("log(GeV)");
-   muonspectra2->SetFillColor(46);
-   muonspectra2->SetXTitle("log(GeV)");
-   muonspectra3->SetFillColor(10);
-   muonspectra3->SetXTitle("log(GeV)");
-   //c14->SetLogx();
-   muonspectra1->Draw();
-   muonspectra2->Draw("same");
-   muonspectra3->Draw("same");
-   
-   //c16->cd(3);
-   //TCanvas *c16 = new TCanvas("c16","Neutron Spectra",400,10,600,700);
-   //neutronspectra1->SetFillColor(42);
-   //neutronspectra1->SetXTitle("log(GeV)");
-   //neutronspectra2->SetFillColor(46);
-   //neutronspectra2->SetXTitle("log(GeV)");
-   //neutronspectra3->SetFillColor(10);
-   //neutronspectra3->SetXTitle("log(GeV)");
-   //c16->SetLogx();
-   //neutronspectra1->Draw();
-   //neutronspectra2->Draw("same");
-   //neutronspectra3->Draw("same");
-
-   TCanvas *c9 = new TCanvas("c9","Particles Spectra",150,150,600,700);
-   //TCanvas *c9 = new TCanvas("c9","Pion Spectra",400,10,600,700);
-   c9->Divide(2,2);
-   
-   c9->cd(1);
-   pionspectra1->SetFillColor(5);
-   pionspectra1->SetXTitle("log(GeV)");
-   pionspectra2->SetFillColor(46);
-   pionspectra2->SetXTitle("log(GeV)");
-   pionspectra3->SetFillColor(10);
-   pionspectra3->SetXTitle("log(GeV)");
-   //c9->SetLogx();
-   pionspectra1->Draw();
-   pionspectra2->Draw("same");
-   pionspectra3->Draw("same");
-   
-   c9->cd(2);
-   //TCanvas *c10 = new TCanvas("c10","Proton Spectra",400,10,600,700);
-   protonspectra1->SetFillColor(5);
-   protonspectra1->SetXTitle("log(GeV)");
-   protonspectra2->SetFillColor(46);
-   protonspectra2->SetXTitle("log(GeV)");
-   protonspectra3->SetFillColor(10);
-   protonspectra3->SetXTitle("log(GeV)");
-   //c10->SetLogx();
-   protonspectra1->Draw();
-   protonspectra2->Draw("same");
-   protonspectra3->Draw("same");
-   
-   c9->cd(3);
-   //TCanvas *c11 = new TCanvas("c11","Kaon Spectra",400,10,600,700); 
-   kaonspectra1->SetFillColor(5);
-   kaonspectra1->SetXTitle("log(GeV)");
-   kaonspectra2->SetFillColor(46);
-   kaonspectra2->SetXTitle("log(GeV)");
-   kaonspectra3->SetFillColor(10);
-   kaonspectra3->SetXTitle("log(GeV)");
-   //c11->SetLogx();
-   kaonspectra1->Draw();
-   kaonspectra2->Draw("same");
-   kaonspectra3->Draw("same");
-   
-   c9->cd(4);
-   //TCanvas *c12 = new TCanvas("c12","Charged Particles Spectra",400,10,600,700);
-   chargedspectra1->SetFillColor(5);
-   chargedspectra1->SetXTitle("log(GeV)");
-   chargedspectra2->SetFillColor(46);
-   chargedspectra2->SetXTitle("log(GeV)");
-   chargedspectra3->SetFillColor(10);
-   chargedspectra3->SetXTitle("log(GeV)");
-   //c12->SetLogx();
-   chargedspectra1->Draw();
-   chargedspectra2->Draw("same");
-   chargedspectra3->Draw("same");
-   
-
-
-   printf("*****************************************\n");
-   printf("* Particle                   *  Counts  *\n");
-   printf("*****************************************\n");
-
-   printf("* Pions:                     *   %4d   *\n",pion);
-   printf("* Charged Pions:             *   %4d   *\n",chargedpions);
-   printf("* Primary Pions:             *   %4d   *\n",primarypions);
-   printf("* Primary Pions (p>1GeV/c):  *   %4d   *\n",highprimarypions);
-   printf("* Kaons:                     *   %4d   *\n",kaon);
-   printf("* Charged Kaons:             *   %4d   *\n",chargedkaons);
-   printf("* Primary Kaons:             *   %4d   *\n",primarykaons);
-   printf("* Primary Kaons (p>1GeV/c):  *   %4d   *\n",highprimarykaons);
-   printf("* Muons:                     *   %4d   *\n",muon);
-   printf("* Electrons:                 *   %4d   *\n",electron);
-   printf("* Positrons:                 *   %4d   *\n",positron);
-   printf("* Protons:                   *   %4d   *\n",proton);
-   printf("* All Charged:               *   %4d   *\n",(chargedpions+chargedkaons+muon+electron+positron+proton));
-   printf("*****************************************\n");
-   //printf("* Photons:                   *   %3.1f   *\n",photons); 
-   //printf("* Primary Photons:           *   %3.1f   *\n",primaryphotons);
-   //printf("* Primary Photons (p>1MeV/c):*   %3.1f   *\n",highprimaryphotons);
-   //printf("*****************************************\n");
-   //printf("* Neutrons:                  *   %3.1f   *\n",neutron);
-   //printf("* Neutrons (p>100keV/c):     *   %3.1f   *\n",highneutrons);
-   //printf("*****************************************\n");
-
-   if (gAlice->TreeD())
-     {
-       gAlice->TreeD()->GetEvent(0);
-   
-       Float_t occ[7]; 
-       Float_t sum=0;
-       Float_t mean=0; 
-       printf("\n*****************************************\n");
-       printf("* Chamber   * Digits      * Occupancy   *\n");
-       printf("*****************************************\n");
-       
-       for (Int_t ich=0;ich<7;ich++)
-        {
-          TClonesArray *Digits = DigitsAddress(ich);    //  Raw clusters branch
-          Int_t ndigits = Digits->GetEntriesFast();
-          occ[ich] = Float_t(ndigits)/(160*144);
-          sum += Float_t(ndigits)/(160*144);
-          printf("*   %d      *    %d      *   %3.1f%%     *\n",ich,ndigits,occ[ich]*100);
-        }
-       mean = sum/7;
-       printf("*****************************************\n");
-       printf("* Mean occupancy          *   %3.1f%%     *\n",mean*100);
-       printf("*****************************************\n");
-     }
-  printf("\nEnd of analysis\n");
-   
-}
-
-//_________________________________________________________________________________________________
-
-
-void AliRICH::DiagnosticsSE(Int_t diaglevel,Int_t evNumber1,Int_t evNumber2)
-{
-
-AliRICH *pRICH  = (AliRICH*)gAlice->GetDetector("RICH");
-   AliRICHSegmentationV0*  segmentation;
-   AliRICHChamber*       chamber;
-   
-   chamber = &(pRICH->Chamber(0));
-   segmentation=(AliRICHSegmentationV0*) chamber->GetSegmentationModel();
-
-   Int_t NpadX = segmentation->Npx();                 // number of pads on X
-   Int_t NpadY = segmentation->Npy();                 // number of pads on Y
-    
-   //Int_t Pad[144][160];
-   /*for (Int_t i=0;i<NpadX;i++) {
-     for (Int_t j=0;j<NpadY;j++) {
-       Pad[i][j]=0;
-     }
-   } */
-
-
-   Int_t xmin= -NpadX/2;  
-   Int_t xmax=  NpadX/2;
-   Int_t ymin= -NpadY/2;
-   Int_t ymax=  NpadY/2;
-
-   Float_t PTfinal = 0;
-   Int_t pionCount = 0;
-   Int_t kaonCount = 0;
-   Int_t protonCount = 0;
-   
-   TH2F *feedback = 0;
-   TH2F *mip = 0;
-   TH2F *cerenkov = 0;
-   TH2F *h = 0;
-   TH1F *hitsX = 0;
-   TH1F *hitsY = 0;
-
-   TH2F *hc0 = new TH2F("hc0","Zoom on center of central chamber",150,-25,25,150,-45,5);
-
-   if (diaglevel == 1)
-     {
-       printf("Single Ring Hits\n");
-       feedback = new TH2F("feedback","Feedback hit distribution",150,-20,20,150,-35,5);
-       mip = new TH2F("mip","Mip hit distribution",150,-20,20,150,-35,5);
-       cerenkov = new TH2F("cerenkov","Cerenkov hit distribution",150,-20,20,150,-35,5);
-       h = new TH2F("h","Detector hit distribution",150,-20,20,150,-35,5);
-       hitsX = new TH1F("hitsX","Distribution of hits along x-axis",150,-50,50);
-       hitsY = new TH1F("hitsY","Distribution of hits along z-axis",150,-50,50);
-     }       
-   else
-     {
-       printf("Full Event Hits\n");
-       
-       feedback = new TH2F("feedback","Feedback hit distribution",150,-300,300,150,-300,300);
-       mip = new TH2F("mip","Mip hit distribution",150,-300,300,150,-300,300);
-       cerenkov = new TH2F("cerenkov","Cerenkov hit distribution",150,-300,300,150,-300,300);
-       h = new TH2F("h","Detector hit distribution",150,-300,300,150,-300,300); 
-       hitsX = new TH1F("digitsX","Distribution of hits along x-axis",200,-300,300);
-       hitsY = new TH1F("digitsY","Distribution of hits along z-axis",200,-300,300);
-     }
-   
-
-
-   TH2F *hc1 = new TH2F("hc1","Chamber 1 signal distribution",NpadX,xmin,xmax,NpadY,ymin,ymax);
-   TH2F *hc2 = new TH2F("hc2","Chamber 2 signal distribution",NpadX,xmin,xmax,NpadY,ymin,ymax);
-   TH2F *hc3 = new TH2F("hc3","Chamber 3 signal distribution",NpadX,xmin,xmax,NpadY,ymin,ymax);
-   TH2F *hc4 = new TH2F("hc4","Chamber 4 signal distribution",NpadX,xmin,xmax,NpadY,ymin,ymax);
-   TH2F *hc5 = new TH2F("hc5","Chamber 5 signal distribution",NpadX,xmin,xmax,NpadY,ymin,ymax);
-   TH2F *hc6 = new TH2F("hc6","Chamber 6 signal distribution",NpadX,xmin,xmax,NpadY,ymin,ymax);
-   TH2F *hc7 = new TH2F("hc7","Chamber 7 signal distribution",NpadX,xmin,xmax,NpadY,ymin,ymax);
-      
-   TH1F *Clcharge = new TH1F("Clcharge","Cluster Charge Distribution",500,0.,500.);
-   TH1F *ckovangle = new TH1F("ckovangle","Cerenkov angle per photon",100,.35,.8);
-   TH1F *hckphi = new TH1F("hckphi","Cerenkov phi angle per photon",620,-3.1,3.1);
-   TH1F *mother = new TH1F("mother","Cerenkovs per Mip",75,0.,75.);
-   TH1F *radius = new TH1F("radius","Mean distance to Mip",100,0.,20.);
-   TH1F *phspectra1 = new TH1F("phspectra1","Detected Photon Spectra",200,5.,10.);
-   TH1F *phspectra2 = new TH1F("phspectra2","Produced Photon Spectra",200,5.,10.);
-   TH1F *totalphotonstrack = new TH1F("totalphotonstrack","Produced Photons per Mip",100,200,700.);
-   TH1F *totalphotonsevent = new TH1F("totalphotonsevent","Produced Photons per Mip",100,200,700.);
-   //TH1F *feedbacks = new TH1F("feedbacks","Produced Feedbacks per Mip",50,0.5,50.);
-   TH1F *padnumber = new TH1F("padnumber","Number of pads per cluster",50,-0.5,50.);
-   TH1F *padsev = new TH1F("padsev","Number of pads hit per MIP",50,0.5,100.);
-   TH1F *clusev = new TH1F("clusev","Number of clusters per MIP",50,0.5,50.);
-   TH1F *photev = new TH1F("photev","Number of detected photons per MIP",50,0.5,50.);
-   TH1F *feedev = new TH1F("feedev","Number of feedbacks per MIP",50,0.5,50.);
-   TH1F *padsmip = new TH1F("padsmip","Number of pads per event inside MIP region",50,0.5,50.);
-   TH1F *padscl = new TH1F("padscl","Number of pads per event from cluster count",50,0.5,100.);
-   TH1F *pionspectra = new TH1F("pionspectra","Pion Spectra",200,.5,10.);
-   TH1F *protonspectra = new TH1F("protonspectra","Proton Spectra",200,.5,10.);
-   TH1F *kaonspectra = new TH1F("kaonspectra","Kaon Spectra",100,.5,10.);
-   TH1F *chargedspectra = new TH1F("chargedspectra","Charged particles above 1 GeV Spectra",100,.5,10.);
-   TH1F *hitsPhi = new TH1F("hitsPhi","Distribution of phi angle of incidence",50,0,360);
-   TH1F *hitsTheta = new TH1F("hitsTheta","Distribution of theta angle of incidence",50,0,15);
-   TH1F *Omega1D = new TH1F("omega","Reconstructed Cerenkov angle per track",50,.5,1);
-   TH1F *Theta = new TH1F("theta","Reconstructed theta incidence angle per track",100,0,15);
-   TH1F *Phi = new TH1F("phi","Reconstructed phi incidence per track",100,0,360);
-   TH1F *Omega3D = new TH1F("omega","Reconstructed Cerenkov angle per track",100,.35,.8);
-   TH1F *PhotonCer = new TH1F("photoncer","Reconstructed Cerenkov angle per photon",100,.35,.8);
-   TH2F *PadsUsed = new TH2F("padsused","Pads Used for Reconstruction",100,-30,30,100,-30,30);
-   TH1F *MeanRadius = new TH1F("radius","Mean Radius for reconstructed track",100,0.,20.);
-   TH2F *identification = new TH2F("identification","Particle Identification",100,1,5,100,0,.8);
-   TH1F *OriginalOmega = new TH1F("Original Omega","Cerenkov angle per track",100,.35,.8);
-   TH1F *OriginalPhi = new TH1F("Original Phi","Distribution of phi angle of incidence per track",100,0,360);
-   TH1F *OriginalTheta = new TH1F("Original Theta","Distribution of theta angle per track",100,0,15);
-   TH1F *OmegaError = new TH1F("Omega Error","Difference between original an reconstructed cerenkov angle",100,0,.2);
-   TH1F *PhiError = new TH1F("Phi Error","Difference between original an reconstructed phi angle",100,0,360);
-   TH1F *ThetaError = new TH1F("Theta Error","Difference between original an reconstructed phi angle",100,0,15);
-
-
-//   Start loop over events 
-
-   Int_t Nh=0;
-   Int_t pads=0;
-   Int_t Nh1=0;
-   Int_t mothers[80000];
-   Int_t mothers2[80000];
-   Float_t mom[3];
-   Int_t nraw=0;
-   Int_t phot=0;
-   Int_t feed=0;
-   Int_t padmip=0;
-   Float_t x=0,y=0;
-
-   Float_t chiSquareOmega = 0;
-   Float_t chiSquareTheta = 0;
-   Float_t chiSquarePhi = 0;
-
-   Float_t recEffEvent = 0;
-   Float_t recEffTotal = 0;
-
-   Float_t trackglob[3];
-   Float_t trackloc[3];
-
-   
-   for (Int_t i=0;i<100;i++) mothers[i]=0;
-
-   for (int nev=0; nev<= evNumber2; nev++) {
-       Int_t nparticles = gAlice->GetEvent(nev);
-       
-
-       //cout<<"nev  "<<nev<<endl;
-       printf ("\n**********************************\nProcessing Event: %d\n",nev);
-       //cout<<"nparticles  "<<nparticles<<endl;
-       printf ("Particles       : %d\n\n",nparticles);
-       if (nev < evNumber1) continue;
-       if (nparticles <= 0) return;
-       
-// Get pointers to RICH detector and Hits containers
-       
-
-       TTree *TH = gAlice->TreeH(); 
-       Stat_t ntracks = TH->GetEntries();
-
-       // Start loop on tracks in the hits containers
-       //Int_t Nc=0;
-       for (Int_t track=0; track<ntracks;track++) {
-          
-        printf ("\nProcessing Track: %d\n",track);
-        gAlice->ResetHits();
-        TH->GetEvent(track);
-        Int_t nhits = pRICH->Hits()->GetEntriesFast();
-        if (nhits) Nh+=nhits;
-        printf("Hits            : %d\n",nhits);
-        for(AliRICHHit* mHit=(AliRICHHit*)pRICH->FirstHit(-1); 
-            mHit;
-            mHit=(AliRICHHit*)pRICH->NextHit()) 
-          {
-            Int_t nch  = mHit->Chamber();              // chamber number
-            trackglob[0] = mHit->X();                 // x-pos of hit
-            trackglob[1] = mHit->Y();
-            trackglob[2] = mHit->Z();                 // y-pos of hit
-            //x  = mHit->X();                           // x-pos of hit
-            //y  = mHit->Z();                           // y-pos
-            Float_t phi = mHit->Phi();                 //Phi angle of incidence
-            Float_t theta = mHit->Theta();             //Theta angle of incidence
-            Int_t index = mHit->Track();
-            Int_t particle = (Int_t)(mHit->Particle());        
-            //Int_t freon = (Int_t)(mHit->fLoss);    
-            Float_t px = mHit->MomX();
-            Float_t py = mHit->MomY();
-            
-            if (TMath::Abs(particle) < 10000000)
-              {
-                PTfinal=TMath::Sqrt(px*px + py*py);
-                //printf("PTfinal 0: %f\n",PTfinal);
-              }
-       
-            chamber = &(pRICH->Chamber(nch-1));
-            
-            //printf("Nch:%d\n",nch);
-            
-            chamber->GlobaltoLocal(trackglob,trackloc);
-            
-            chamber->LocaltoGlobal(trackloc,trackglob);
-            
-       
-            x=trackloc[0];
-            y=trackloc[2];
-            
-            hitsX->Fill(x,(float) 1);
-            hitsY->Fill(y,(float) 1);
-              
-             //printf("Particle:%9d\n",particle);
-             
-             TParticle *current = (TParticle*)gAlice->Particle(index);
-             //printf("Particle type: %d\n",sizeoff(Particles));
-
-             hitsTheta->Fill(theta,(float) 1);
-             //hitsPhi->Fill(phi,(float) 1);
-             //if (pRICH->GetDebugLevel() == -1)
-             //printf("Theta:%f, Phi:%f\n",theta,phi);
-             
-             //printf("Debug Level:%d\n",pRICH->GetDebugLevel());
-            
-             if (current->GetPdgCode() < 10000000)
-               {
-                 mip->Fill(x,y,(float) 1);
-                 //printf("adding mip\n");
-                 //if (current->Energy() - current->GetCalcMass()>1 && freon==1)
-                 //{
-                 hitsPhi->Fill(TMath::Abs(phi),(float) 1);
-                 //hitsTheta->Fill(theta,(float) 1);
-                 //printf("Theta:%f, Phi:%f\n",theta,phi);
-                 //}
-               }
-             
-             if (TMath::Abs(particle)==211 || TMath::Abs(particle)==111)
-               {
-                 pionspectra->Fill(current->Energy() - current->GetCalcMass(),(float) 1);
-               }
-             if (TMath::Abs(particle)==2212)
-               {
-                 protonspectra->Fill(current->Energy() - current->GetCalcMass(),(float) 1);
-               }
-             if (TMath::Abs(particle)==321 || TMath::Abs(particle)==130 || TMath::Abs(particle)==310 
-                 || TMath::Abs(particle)==311)
-               {
-                 kaonspectra->Fill(current->Energy() - current->GetCalcMass(),(float) 1);
-               }
-             if(TMath::Abs(particle)==211 || TMath::Abs(particle)==2212 || TMath::Abs(particle)==321)
-               {
-                 if (current->Energy() - current->GetCalcMass()>1)
-                   chargedspectra->Fill(current->Energy() - current->GetCalcMass(),(float) 1);
-               }
-             //printf("Hits:%d\n",hit);
-             //printf ("Chamber number:%d x:%f y:%f\n",nch,x,y);
-              // Fill the histograms
-             Nh1+=nhits;
-             h->Fill(x,y,(float) 1);
-                 //}
-              //}
-          }
-          
-          Int_t ncerenkovs = pRICH->Cerenkovs()->GetEntriesFast();
-          //if (current->GetPdgCode() < 50000051 && current->GetPdgCode() > 50000040)
-          //totalphotonsevent->Fill(ncerenkovs,(float) 1);
-
-          if (ncerenkovs) {
-            printf("Cerenkovs       : %d\n",ncerenkovs);
-            totalphotonsevent->Fill(ncerenkovs,(float) 1);
-            for (Int_t hit=0;hit<ncerenkovs;hit++) {
-              AliRICHCerenkov* cHit = (AliRICHCerenkov*) pRICH->Cerenkovs()->UncheckedAt(hit);
-              Int_t nchamber = cHit->fChamber;     // chamber number
-              Int_t index =    cHit->Track();
-              //Int_t pindex =   (Int_t)(cHit->fIndex);
-              trackglob[0] = cHit->X();                 // x-pos of hit
-              trackglob[1] = cHit->Y();
-              trackglob[2] = cHit->Z();                 // y-pos of hit
-              //Float_t cx  =      cHit->X();                // x-position
-              //Float_t cy  =      cHit->Z();                // y-position
-              Int_t cmother =  cHit->fCMother;      // Index of mother particle
-              Int_t closs =    (Int_t)(cHit->fLoss);           // How did the particle get lost? 
-              Float_t cherenkov = cHit->fCerenkovAngle;   //production cerenkov angle
-              
-              chamber = &(pRICH->Chamber(nchamber-1));
-            
-              //printf("Nch:%d\n",nch);
-              
-              chamber->GlobaltoLocal(trackglob,trackloc);
-            
-              chamber->LocaltoGlobal(trackloc,trackglob);
-            
-       
-              Float_t cx=trackloc[0];
-              Float_t cy=trackloc[2];
-              
-              //printf ("Cerenkov hit number %d/%d, X:%f, Y:%f\n",hit,ncerenkovs,cx,cy); 
-
-
-              //printf("Particle:%9d\n",index);
-                                
-              TParticle *current = (TParticle*)gAlice->Particle(index);
-              Float_t energyckov = current->Energy();
-              
-              if (current->GetPdgCode() == 50000051)
-                {
-                  if (closs==4)
-                    {
-                      feedback->Fill(cx,cy,(float) 1);
-                      feed++;
-                    }
-                }
-              if (current->GetPdgCode() == 50000050)
-                {
-                  
-                  if (closs !=4)
-                    {
-                      phspectra2->Fill(energyckov*1e9,(float) 1);
-                    }
-                      
-                  if (closs==4)
-                    {
-                      cerenkov->Fill(cx,cy,(float) 1); 
-                      
-                      //printf ("Cerenkov hit number %d/%d, X:%d, Y:%d\n",hit,ncerenkovs,cx,cy); 
-                      
-                      //TParticle *MIP = (TParticle*)gAlice->Particle(cmother);
-                      AliRICHHit* mipHit = (AliRICHHit*) pRICH->Hits()->UncheckedAt(0);
-                      mom[0] = current->Px();
-                      mom[1] = current->Py();
-                      mom[2] = current->Pz();
-                      //mom[0] = cHit->fMomX;
-                      // mom[1] = cHit->fMomZ;
-                      //mom[2] = cHit->fMomY;
-                      //Float_t energymip = MIP->Energy();
-                      //Float_t Mip_px = mipHit->fMomFreoX;
-                      //Float_t Mip_py = mipHit->fMomFreoY;
-                      //Float_t Mip_pz = mipHit->fMomFreoZ;
-                      //Float_t Mip_px = MIP->Px();
-                      //Float_t Mip_py = MIP->Py();
-                      //Float_t Mip_pz = MIP->Pz();
-                      
-                      
-                      
-                      //Float_t r = mom[0]*mom[0] + mom[1]*mom[1] + mom[2]*mom[2];
-                      //Float_t rt = TMath::Sqrt(r);
-                      //Float_t Mip_r = Mip_px*Mip_px + Mip_py*Mip_py + Mip_pz*Mip_pz; 
-                      //Float_t Mip_rt = TMath::Sqrt(Mip_r);
-                      //Float_t coscerenkov = (mom[0]*Mip_px + mom[1]*Mip_py + mom[2]*Mip_pz)/(rt*Mip_rt+0.0000001);
-                      //Float_t cherenkov = TMath::ACos(coscerenkov);
-                      ckovangle->Fill(cherenkov,(float) 1);                           //Cerenkov angle calculus
-                      //printf("Cherenkov: %f\n",cherenkov);
-                      Float_t ckphi=TMath::ATan2(mom[0], mom[2]);
-                      hckphi->Fill(ckphi,(float) 1);
-                      
-                      
-                      //Float_t mix = MIP->Vx();
-                      //Float_t miy = MIP->Vy();
-                      Float_t mx = mipHit->X();
-                      Float_t my = mipHit->Z();
-                      //printf("FX %e, FY %e, VX %e, VY %e\n",cx,cy,mx,my);
-                      Float_t dx = trackglob[0] - mx;
-                      Float_t dy = trackglob[2] - my;
-                      //printf("Dx:%f, Dy:%f\n",dx,dy);
-                      Float_t final_radius = TMath::Sqrt(dx*dx+dy*dy);
-                      //printf("Final radius:%f\n",final_radius);
-                      radius->Fill(final_radius,(float) 1);
-                      
-                      phspectra1->Fill(energyckov*1e9,(float) 1);
-                      phot++;
-                    }
-                  for (Int_t nmothers=0;nmothers<=ntracks;nmothers++){
-                    if (cmother == nmothers){
-                      if (closs == 4)
-                        mothers2[cmother]++;
-                      mothers[cmother]++;
-                    }
-                  } 
-                }
-            }
-          }
-          
-
-          if(gAlice->TreeR())
-            {
-              Int_t nent=(Int_t)gAlice->TreeR()->GetEntries();
-              gAlice->TreeR()->GetEvent(nent-1);
-              TClonesArray *Rawclusters = pRICH->RawClustAddress(2);    //  Raw clusters branch
-              //printf ("Rawclusters:%p",Rawclusters);
-              Int_t nrawclusters = Rawclusters->GetEntriesFast();
-                      
-              if (nrawclusters) {
-                printf("Raw Clusters    : %d\n",nrawclusters);
-                for (Int_t hit=0;hit<nrawclusters;hit++) {
-                  AliRICHRawCluster* rcHit = (AliRICHRawCluster*) pRICH->RawClustAddress(2)->UncheckedAt(hit);
-                  //Int_t nchamber = rcHit->fChamber;     // chamber number
-                  //Int_t nhit = cHit->fHitNumber;        // hit number
-                  Int_t qtot = rcHit->fQ;                 // charge
-                  Float_t fx  =  rcHit->fX;                 // x-position
-                  Float_t fy  =  rcHit->fY;                 // y-position
-                  //Int_t type = rcHit->fCtype;             // cluster type ?   
-                  Int_t mult = rcHit->fMultiplicity;      // How many pads form the cluster
-                  pads += mult;
-                  if (qtot > 0) {
-                    //printf ("fx: %d, fy: %d\n",fx,fy);
-                    if (fx>(x-4) && fx<(x+4)  && fy>(y-4) && fy<(y+4)) {
-                      //printf("There %d \n",mult);
-                      padmip+=mult;
-                    } else {
-                      padnumber->Fill(mult,(float) 1);
-                      nraw++;
-                      if (mult<4) Clcharge->Fill(qtot,(float) 1);
-                    }
-                    
-                  }
-                }
-              }
-              
-              
-              TClonesArray *RecHits1D = pRICH->RecHitsAddress1D(2);
-              Int_t nrechits1D = RecHits1D->GetEntriesFast();
-              //printf (" nrechits:%d\n",nrechits);
-              
-              if(nrechits1D)
-                {
-                  for (Int_t hit=0;hit<nrechits1D;hit++) {
-                    AliRICHRecHit1D* recHit1D = (AliRICHRecHit1D*) pRICH->RecHitsAddress1D(2)->UncheckedAt(hit);
-                    Float_t r_omega = recHit1D->fOmega;                  // Cerenkov angle
-                    Float_t *cer_pho = recHit1D->fCerPerPhoton;        // Cerenkov angle per photon
-                    Int_t *padsx = recHit1D->fPadsUsedX;           // Pads Used fo reconstruction (x)
-                    Int_t *padsy = recHit1D->fPadsUsedY;           // Pads Used fo reconstruction (y)
-                    Int_t goodPhotons = recHit1D->fGoodPhotons;    // Number of pads used for reconstruction
-                    
-                    Omega1D->Fill(r_omega,(float) 1);
-                    
-                    for (Int_t i=0; i<goodPhotons; i++)
-                      {
-                        PhotonCer->Fill(cer_pho[i],(float) 1);
-                        PadsUsed->Fill(padsx[i],padsy[i],1);
-                        //printf("Angle:%f, pad: %d %d\n",cer_pho[i],padsx[i],padsy[i]);
-                      }
-                    
-                    //printf("Omega: %f, Theta: %f, Phi: %f\n",r_omega,r_theta,r_phi);
-                  }
-                }
-
-              
-              TClonesArray *RecHits3D = pRICH->RecHitsAddress3D(2);
-              Int_t nrechits3D = RecHits3D->GetEntriesFast();
-              //printf (" nrechits:%d\n",nrechits);
-              
-              if(nrechits3D)
-                {
-                  recEffEvent = 0;
-                  
-                  //for (Int_t hit=0;hit<nrechits3D;hit++) {
-                  AliRICHRecHit3D* recHit3D = (AliRICHRecHit3D*) pRICH->RecHitsAddress3D(2)->UncheckedAt(track);
-                  Float_t r_omega    = recHit3D->fOmega;                  // Cerenkov angle
-                  Float_t r_theta    = recHit3D->fTheta;                  // Theta angle of incidence
-                  Float_t r_phi      = recHit3D->fPhi;                    // Phi angle if incidence
-                  Float_t meanradius = recHit3D->fMeanRadius;              // Mean radius for reconstructed point
-                  Float_t originalOmega = recHit3D->fOriginalOmega;       // Real Cerenkov angle
-                  Float_t originalTheta = recHit3D->fOriginalTheta;       // Real incidence angle
-                  Float_t originalPhi = recHit3D->fOriginalPhi;           // Real azimuthal angle
-                  
-                  
-                  //correction to track cerenkov angle
-                  originalOmega = (Float_t) ckovangle->GetMean();
-                  
-                  if(diaglevel == 4)
-                    {
-                      printf("\nMean cerenkov angle: %f\n", originalOmega);
-                      printf("Reconstructed cerenkov angle: %f\n",r_omega);
-                    }
-                  
-                  Float_t omegaError = TMath::Abs(originalOmega - r_omega);
-                  Float_t thetaError = TMath::Abs(originalTheta - r_theta);
-                  Float_t phiError   = TMath::Abs(originalPhi - r_phi);
-                  
-                  //chiSquareOmega += (omegaError/originalOmega)*(omegaError/originalOmega); 
-                  //chiSquareTheta += (thetaError/originalTheta)*(thetaError/originalTheta); 
-                  //chiSquarePhi += (phiError/originalPhi)*(phiError/originalPhi); 
-                  
-                  if(TMath::Abs(omegaError) < 0.015)
-                    recEffEvent += 1;
-                  
-                  
-                  
-                  //printf("rechit %f %f %f %f %f\n",recHit3D->fOmega,recHit3D->fTheta,recHit3D->fPhi, recHit3D->fX,recHit3D->fY);  
-                  
-                  Omega3D->Fill(r_omega,(float) 1);
-                  Theta->Fill(r_theta*180/TMath::Pi(),(float) 1);
-                  Phi->Fill(r_phi*180/TMath::Pi()-180,(float) 1);
-                  MeanRadius->Fill(meanradius,(float) 1);
-                  identification->Fill(PTfinal, r_omega,1);
-                  OriginalOmega->Fill(originalOmega, (float) 1);
-                  OriginalTheta->Fill(originalTheta, (float) 1);
-                  OriginalPhi->Fill(TMath::Abs(originalPhi), (float) 1);
-                  OmegaError->Fill(omegaError, (float) 1);
-                  ThetaError->Fill(thetaError, (float) 1);
-                  PhiError->Fill(phiError, (float) 1);
-                  
-                  recEffEvent = recEffEvent;
-                  recEffTotal += recEffEvent;
-                  
-                  Float_t pioncer = acos(sqrt((.139*.139+PTfinal*PTfinal)/(PTfinal*PTfinal*1.285*1.285)));
-                  Float_t kaoncer = acos(sqrt((.439*.439+PTfinal*PTfinal)/(PTfinal*PTfinal*1.285*1.285)));
-                  Float_t protoncer = acos(sqrt((.938*.938+PTfinal*PTfinal)/(PTfinal*PTfinal*1.285*1.285)));
-
-                  Float_t piondist = TMath::Abs(r_omega - pioncer);
-                  Float_t kaondist = TMath::Abs(r_omega - kaoncer);
-                  Float_t protondist = TMath::Abs(r_omega - protoncer);
-
-                  if(diaglevel == 4)
-                    {
-                      if(pioncer<r_omega)
-                        {
-                          printf("Identified as a PION!\n");
-                          pionCount += 1;
-                        }
-                      if(kaoncer<r_omega && pioncer>r_omega)
-                        {
-                          if(kaondist>piondist)
-                            {
-                              printf("Identified as a PION!\n");
-                              pionCount += 1;
-                            }
-                          else
-                            {
-                              printf("Identified as a KAON!\n");
-                              kaonCount += 1;
-                            }
-                        }                       }
-                      if(protoncer<r_omega && kaoncer>r_omega)
-                        {
-                          if(kaondist>protondist)
-                            {
-                              printf("Identified as a PROTON!\n");
-                              protonCount += 1;
-                            }
-                          else
-                            {
-                              printf("Identified as a KAON!\n");
-                              pionCount += 1;
-                            }
-                        }
-                      if(protoncer>r_omega)
-                        {
-                          printf("Identified as a PROTON!\n");
-                          protonCount += 1;
-                        }
-
-                      printf("\nReconstruction efficiency: %5.2f%%\n", recEffEvent*100);
-                }
-            }
-       }
-   
-       
-       for (Int_t nmothers=0;nmothers<ntracks;nmothers++){
-        totalphotonstrack->Fill(mothers[nmothers],(float) 1);
-        mother->Fill(mothers2[nmothers],(float) 1);
-        //printf ("Entries in %d : %d\n",nmothers, mothers[nmothers]);
-       }
-       
-       clusev->Fill(nraw,(float) 1);
-       photev->Fill(phot,(float) 1);
-       feedev->Fill(feed,(float) 1);
-       padsmip->Fill(padmip,(float) 1);
-       padscl->Fill(pads,(float) 1);
-       //printf("Photons:%d\n",phot);
-       phot = 0;
-       feed = 0;
-       pads = 0;
-       nraw=0;
-       padmip=0;
-       
-       
-       
-       gAlice->ResetDigits();
-       //Int_t nent=(Int_t)gAlice->TreeD()->GetEntries();
-       gAlice->TreeD()->GetEvent(0);
-       
-       if (diaglevel < 4)
-        {
-          
-          
-          TClonesArray *Digits  = pRICH->DigitsAddress(2);
-          Int_t ndigits = Digits->GetEntriesFast();
-          printf("Digits          : %d\n",ndigits);
-          padsev->Fill(ndigits,(float) 1);
-          for (Int_t hit=0;hit<ndigits;hit++) {
-            AliRICHDigit* dHit = (AliRICHDigit*) Digits->UncheckedAt(hit);
-            Int_t qtot = dHit->Signal();                // charge
-            Int_t ipx  = dHit->PadX();               // pad number on X
-            Int_t ipy  = dHit->PadY();               // pad number on Y
-            //printf("%d, %d\n",ipx,ipy);
-            if( ipx<=100 && ipy <=100) hc0->Fill(ipx,ipy,(float) qtot);
-          }
-        }
-       
-       if (diaglevel == 5)
-        {
-          for (Int_t ich=0;ich<7;ich++)
-            {
-              TClonesArray *Digits = pRICH->DigitsAddress(ich);    //  Raw clusters branch
-              Int_t ndigits = Digits->GetEntriesFast();
-              //printf("Digits:%d\n",ndigits);
-              padsev->Fill(ndigits,(float) 1); 
-              if (ndigits) {
-                for (Int_t hit=0;hit<ndigits;hit++) {
-                  AliRICHDigit* dHit = (AliRICHDigit*) Digits->UncheckedAt(hit);
-                  //Int_t nchamber = dHit->GetChamber();     // chamber number
-                  //Int_t nhit = dHit->fHitNumber;          // hit number
-                  Int_t qtot = dHit->Signal();                // charge
-                  Int_t ipx  = dHit->PadX();               // pad number on X
-                  Int_t ipy  = dHit->PadY();               // pad number on Y
-                  //Int_t iqpad  = dHit->fQpad;           // charge per pad
-                  //Int_t rpad  = dHit->fRSec;            // R-position of pad
-                  //printf ("Pad hit, PadX:%d, PadY:%d\n",ipx,ipy);
-                  if( ipx<=100 && ipy <=100 && ich==2) hc0->Fill(ipx,ipy,(float) qtot);
-                  if( ipx<=162 && ipy <=162 && ich==0) hc1->Fill(ipx,ipy,(float) qtot);
-                  if( ipx<=162 && ipy <=162 && ich==1) hc2->Fill(ipx,ipy,(float) qtot);
-                  if( ipx<=162 && ipy <=162 && ich==2) hc3->Fill(ipx,ipy,(float) qtot);
-                  if( ipx<=162 && ipy <=162 && ich==3) hc4->Fill(ipx,ipy,(float) qtot);
-                  if( ipx<=162 && ipy <=162 && ich==4) hc5->Fill(ipx,ipy,(float) qtot);
-                  if( ipx<=162 && ipy <=162 && ich==5) hc6->Fill(ipx,ipy,(float) qtot);
-                  if( ipx<=162 && ipy <=162 && ich==6) hc7->Fill(ipx,ipy,(float) qtot);
-                }
-              }
-            }
-        }
-   }
-   
-   if(diaglevel == 4)
-     {
-
-       Stat_t omegaE;
-       Stat_t thetaE;
-       Stat_t phiE;
-       
-       Stat_t omegaO;
-       Stat_t thetaO;
-       Stat_t phiO;
-       
-       for(Int_t i=0;i<99;i++)
-        {
-          omegaE = OriginalOmega->GetBinContent(i);
-          if(omegaE != 0)
-            {
-              omegaO = Omega3D->GetBinContent(i);
-              chiSquareOmega += (TMath::Power(omegaE,2) - TMath::Power(omegaO,2))/omegaO;
-            }
-
-          thetaE = OriginalTheta->GetBinContent(i);
-          if(thetaE != 0)
-            {
-              thetaO = Theta->GetBinContent(i);
-              chiSquareTheta += (TMath::Power(thetaE,2) - TMath::Power(thetaO,2))/thetaO;
-            }
-
-          phiE = OriginalPhi->GetBinContent(i);
-          if(phiE != 0)
-            {
-              phiO = Phi->GetBinContent(i);
-              chiSquarePhi += (TMath::Power(phiE,2) - TMath::Power(phiO,2))/phiO;
-            }
-          
-          //printf(" o: %f  t: %f  p: %f\n", OriginalOmega->GetBinContent(i), OriginalTheta->GetBinContent(i),OriginalPhi->GetBinContent(i));
-
-        }
-
-       
-
-       printf("\nChi square test values:   Omega - %f\n", chiSquareOmega);
-       printf("                          Theta - %f\n", chiSquareTheta);
-       printf("                          Phi   - %f\n", chiSquarePhi);
-       
-       printf("\nKolmogorov test values:   Omega - %5.4f\n", Omega3D->KolmogorovTest(OriginalOmega));
-       printf("                          Theta - %5.4f\n", Theta->KolmogorovTest(OriginalTheta));
-       printf("                          Phi   - %5.4f\n", Phi->KolmogorovTest(OriginalPhi));
-
-       recEffTotal = recEffTotal/evNumber2;
-       printf("\nTotal reconstruction efficiency: %5.2f%%\n", recEffTotal*100);
-       printf("\n Pions: %d\n Kaons: %d\n Protons:%d\n",pionCount, kaonCount, protonCount);
-
-     }
-   
-   
-   //Create canvases, set the view range, show histograms
-
-   TCanvas *c1 = 0;
-   TCanvas *c2 = 0;
-   TCanvas *c3 = 0;
-   TCanvas *c4 = 0;
-   TCanvas *c5 = 0;
-   TCanvas *c6 = 0;
-   TCanvas *c7 = 0;
-   TCanvas *c8 = 0;
-   TCanvas *c9 = 0;
-   TCanvas *c10 = 0;
-   TCanvas *c11 = 0;
-   TCanvas *c12 = 0;
-   TCanvas *c13 = 0;
-
-   //TF1* expo = 0;
-   //TF1* gaus = 0;
-   
-   TStyle *mystyle=new TStyle("Plain","mystyle");
-   mystyle->SetPalette(1,0);
-   //mystyle->SetTitleYSize(0.2);
-   //mystyle->SetStatW(0.19);
-   //mystyle->SetStatH(0.1);
-   //mystyle->SetStatFontSize(0.01);
-   //mystyle->SetTitleYSize(0.3);
-   mystyle->SetFuncColor(2);
-   //mystyle->SetOptStat(0111);
-   mystyle->SetDrawBorder(0);
-   mystyle->SetTitleBorderSize(0);
-   mystyle->SetOptFit(1111);
-   mystyle->cd();
-
-   
-   TClonesArray *RecHits3D = pRICH->RecHitsAddress3D(2);
-   Int_t nrechits3D = RecHits3D->GetEntriesFast();
-   TClonesArray *RecHits1D = pRICH->RecHitsAddress1D(2);
-   Int_t nrechits1D = RecHits1D->GetEntriesFast();
-
-  switch(diaglevel)
-     {
-     case 1:
-       
-       c1 = new TCanvas("c1","Alice RICH digits",50,50,300,350);
-       hc0->SetXTitle("ix (npads)");
-       hc0->Draw("colz");
-       
-//
-       c2 = new TCanvas("c2","Hits per type",100,100,600,700);
-       c2->Divide(2,2);
-       //c4->SetFillColor(42);
-
-       c2->cd(1);
-       feedback->SetXTitle("x (cm)");
-       feedback->SetYTitle("y (cm)");
-       feedback->Draw("colz");
-       
-       c2->cd(2);
-       //mip->SetFillColor(5);
-       mip->SetXTitle("x (cm)");
-       mip->SetYTitle("y (cm)");
-       mip->Draw("colz");
-       
-       c2->cd(3);
-       //cerenkov->SetFillColor(5);
-       cerenkov->SetXTitle("x (cm)");
-       cerenkov->SetYTitle("y (cm)"); 
-       cerenkov->Draw("colz");
-       
-       c2->cd(4);
-       //h->SetFillColor(5);
-       h->SetXTitle("x (cm)");
-       h->SetYTitle("y (cm)");
-       h->Draw("colz");
-
-       c3 = new TCanvas("c3","Hits distribution",150,150,600,350);
-       c3->Divide(2,1);
-       //c10->SetFillColor(42);
-       
-       c3->cd(1);
-       hitsX->SetFillColor(5);
-       hitsX->SetXTitle("(cm)");
-       hitsX->Draw();
-       
-       c3->cd(2);
-       hitsY->SetFillColor(5);
-       hitsY->SetXTitle("(cm)");
-       hitsY->Draw();
-       
-      
-       break;
-//
-     case 2:
-       
-       c4 = new TCanvas("c4","Photon Spectra",50,50,600,350);
-       c4->Divide(2,1);
-       //c6->SetFillColor(42);
-       
-       c4->cd(1);
-       phspectra2->SetFillColor(5);
-       phspectra2->SetXTitle("energy (eV)");
-       phspectra2->Draw();
-       c4->cd(2);
-       phspectra1->SetFillColor(5);
-       phspectra1->SetXTitle("energy (eV)");
-       phspectra1->Draw();
-       
-       c5 = new TCanvas("c5","Particles Spectra",100,100,600,700);
-       c5->Divide(2,2);
-       //c9->SetFillColor(42);
-       
-       c5->cd(1);
-       pionspectra->SetFillColor(5);
-       pionspectra->SetXTitle("(GeV)");
-       pionspectra->Draw();
-       
-       c5->cd(2);
-       protonspectra->SetFillColor(5);
-       protonspectra->SetXTitle("(GeV)");
-       protonspectra->Draw();
-       
-       c5->cd(3);
-       kaonspectra->SetFillColor(5);
-       kaonspectra->SetXTitle("(GeV)");
-       kaonspectra->Draw();
-       
-       c5->cd(4);
-       chargedspectra->SetFillColor(5);
-       chargedspectra->SetXTitle("(GeV)");
-       chargedspectra->Draw();
-
-       break;
-       
-     case 3:
-
-       
-       if(gAlice->TreeR())
-        {
-          c6=new TCanvas("c6","Clusters Statistics",50,50,600,700);
-          c6->Divide(2,2);
-          //c3->SetFillColor(42);
-          
-          c6->cd(1);
-          //TPad* c6_1;
-          //c6_1->SetLogy();
-          Clcharge->SetFillColor(5);
-          Clcharge->SetXTitle("ADC counts");
-          if (evNumber2>10)
-            {
-              Clcharge->Fit("expo");
-              //expo->SetLineColor(2);
-              //expo->SetLineWidth(3);
-            }
-          Clcharge->Draw();
-          
-          c6->cd(2);
-          padnumber->SetFillColor(5);
-          padnumber->SetXTitle("(counts)");
-          padnumber->Draw();
-          
-          c6->cd(3);
-          clusev->SetFillColor(5);
-          clusev->SetXTitle("(counts)");
-          if (evNumber2>10)
-            {
-              clusev->Fit("gaus");
-              //gaus->SetLineColor(2);
-              //gaus->SetLineWidth(3);
-            }
-          clusev->Draw();
-          
-          c6->cd(4);
-          padsmip->SetFillColor(5);
-          padsmip->SetXTitle("(counts)");
-          padsmip->Draw(); 
-        }
-       
-       if(evNumber2<1)
-        {
-          c11 = new TCanvas("c11","Cherenkov per Mip",400,10,600,700);
-          mother->SetFillColor(5);
-          mother->SetXTitle("counts");
-          mother->Draw();
-        }
-
-       c7 = new TCanvas("c7","Production Statistics",100,100,600,700);
-       c7->Divide(2,2);
-       //c7->SetFillColor(42);
-       
-       c7->cd(1);
-       totalphotonsevent->SetFillColor(5);
-       totalphotonsevent->SetXTitle("Photons (counts)");
-       if (evNumber2>10)
-          {
-            totalphotonsevent->Fit("gaus");
-            //gaus->SetLineColor(2);
-            //gaus->SetLineWidth(3);
-          }
-       totalphotonsevent->Draw();
-       
-       c7->cd(2);
-       photev->SetFillColor(5);
-       photev->SetXTitle("(counts)");
-       if (evNumber2>10)
-        {
-          photev->Fit("gaus");
-          //gaus->SetLineColor(2);
-          //gaus->SetLineWidth(3);
-        }
-       photev->Draw();
-       
-       c7->cd(3);
-       feedev->SetFillColor(5);
-       feedev->SetXTitle("(counts)");
-       if (evNumber2>10)
-        {
-          feedev->Fit("gaus");
-          //gaus->SetLineColor(2);
-          //gaus->SetLineWidth(3);
-        }
-       feedev->Draw();
-
-       c7->cd(4);
-       padsev->SetFillColor(5);
-       padsev->SetXTitle("(counts)");
-       if (evNumber2>10)
-        {
-          padsev->Fit("gaus");
-          //gaus->SetLineColor(2);
-          //gaus->SetLineWidth(3);
-        }
-       padsev->Draw();
-
-       break;
-
-     case 4:
-       
-
-       if(nrechits3D)
-        {
-          c8 = new TCanvas("c8","3D reconstruction of Phi angle",50,50,300,1050);
-          c8->Divide(1,3);
-          //c2->SetFillColor(42);
-          
-          
-          // data per hit
-          c8->cd(1);
-          hitsPhi->SetFillColor(5);
-          if (evNumber2>10)
-            hitsPhi->Fit("gaus");
-          hitsPhi->Draw();
-          
-           //data per track
-          c8->cd(2);
-          OriginalPhi->SetFillColor(5);
-          if (evNumber2>10)
-            OriginalPhi->Fit("gaus");
-          OriginalPhi->Draw();
-
-          //recontructed data
-          c8->cd(3);
-          Phi->SetFillColor(5);
-          if (evNumber2>10)
-            Phi->Fit("gaus");
-          Phi->Draw();
-
-          c9 = new TCanvas("c9","3D reconstruction of theta angle",75,75,300,1050);
-          c9->Divide(1,3);
-
-          // data per hit
-          c9->cd(1);
-          hitsTheta->SetFillColor(5);
-          if (evNumber2>10)
-            hitsTheta->Fit("gaus");
-          hitsTheta->Draw();
-          
-          //data per track
-          c9->cd(2);
-          OriginalTheta->SetFillColor(5);
-          if (evNumber2>10)
-            OriginalTheta->Fit("gaus");
-          OriginalTheta->Draw();
-
-          //recontructed data
-          c9->cd(3);
-          Theta->SetFillColor(5);
-          if (evNumber2>10)
-            Theta->Fit("gaus");
-          Theta->Draw();
-
-          c10 = new TCanvas("c10","3D reconstruction of cherenkov angle",100,100,300,1050);
-          c10->Divide(1,3);
-
-          // data per hit
-          c10->cd(1);
-          ckovangle->SetFillColor(5);
-          ckovangle->SetXTitle("angle (radians)");
-          if (evNumber2>10)
-            ckovangle->Fit("gaus");
-          ckovangle->Draw();
-          
-          //data per track
-          c10->cd(2);
-          OriginalOmega->SetFillColor(5);
-          OriginalOmega->SetXTitle("angle (radians)");
-          if (evNumber2>10)
-            OriginalOmega->Fit("gaus");
-          OriginalOmega->Draw();
-
-          //recontructed data
-          c10->cd(3);
-          Omega3D->SetFillColor(5);
-          Omega3D->SetXTitle("angle (radians)");
-          if (evNumber2>10)
-            Omega3D->Fit("gaus");
-          Omega3D->Draw(); 
-
-
-          c11 = new TCanvas("c11","3D reconstruction of mean radius",125,125,300,700);
-          c11->Divide(1,2);
-
-          // data per hit
-          c11->cd(1);
-          radius->SetFillColor(5);
-          radius->SetXTitle("radius (cm)");
-          radius->Draw();
-
-          //recontructed data
-          c11->cd(2);
-          MeanRadius->SetFillColor(5);
-          MeanRadius->SetXTitle("radius (cm)");
-          MeanRadius->Draw();
-
-          
-          c12 = new TCanvas("c12","Cerenkov angle vs. Momentum",150,150,550,350);
-
-          c12->cd(1);
-          identification->SetFillColor(5);
-          identification->SetXTitle("Momentum (GeV/c)");
-          identification->SetYTitle("Cherenkov angle (radians)");
-          
-          //Float_t pionmass=.139;
-          //Float_t kaonmass=.493;
-          //Float_t protonmass=.938;
-          //Float_t n=1.295;
-          
-          TF1 *pionplot = new TF1("pion","acos(sqrt((.139*.139+x*x)/(x*x*1.285*1.285)))",1,5);
-          TF1 *kaonplot = new TF1("kaon","acos(sqrt((.439*.439+x*x)/(x*x*1.285*1.285)))",1,5);
-          TF1 *protonplot = new TF1("proton","acos(sqrt((.938*.938+x*x)/(x*x*1.285*1.285)))",1,5);
-          
-          identification->Draw();
-
-          pionplot->SetLineColor(5);
-          pionplot->Draw("same");
-
-          kaonplot->SetLineColor(4);
-          kaonplot->Draw("same");
-
-          protonplot->SetLineColor(3);
-          protonplot->Draw("same");
-          //identification->Draw("same");
-
-
-
-          c13 = new TCanvas("c13","Reconstruction Errors",200,200,900,350);
-          c13->Divide(3,1);
-
-          c13->cd(1);
-          PhiError->SetFillColor(5);
-          if (evNumber2>10)
-            PhiError->Fit("gaus");
-          PhiError->Draw();
-          c13->cd(2);
-          ThetaError->SetFillColor(5);
-          if (evNumber2>10)
-            ThetaError->Fit("gaus");
-          ThetaError->Draw();
-          c13->cd(3);
-          OmegaError->SetFillColor(5);
-          OmegaError->SetXTitle("angle (radians)");
-          if (evNumber2>10)
-            OmegaError->Fit("gaus");
-          OmegaError->Draw();
-          
-        }
-       
-       if(nrechits1D)
-        {
-          c9 = new TCanvas("c9","1D Reconstruction",100,100,1100,700);
-          c9->Divide(3,2);
-          //c5->SetFillColor(42);
-          
-          c9->cd(1);
-          ckovangle->SetFillColor(5);
-          ckovangle->SetXTitle("angle (radians)");
-          ckovangle->Draw();
-          
-          c9->cd(2);
-          radius->SetFillColor(5);
-          radius->SetXTitle("radius (cm)");
-          radius->Draw();
-          
-          c9->cd(3);
-          hc0->SetXTitle("pads");
-          hc0->Draw("box"); 
-          
-          c9->cd(5);
-          Omega1D->SetFillColor(5);
-          Omega1D->SetXTitle("angle (radians)");
-          Omega1D->Draw();
-          
-          c9->cd(4);
-          PhotonCer->SetFillColor(5);
-          PhotonCer->SetXTitle("angle (radians)");
-          PhotonCer->Draw();
-          
-          c9->cd(6);
-          PadsUsed->SetXTitle("pads");
-          PadsUsed->Draw("box"); 
-        }
-       
-       break;
-       
-     case 5:
-       
-       printf("Drawing histograms.../n");
-
-       //if (ndigits)
-        //{
-       c10 = new TCanvas("c10","Alice RICH digits",50,50,1200,700);
-       c1->Divide(4,2);
-       //c1->SetFillColor(42);
-       
-       c10->cd(1);
-       hc1->SetXTitle("ix (npads)");
-       hc1->Draw("box");
-       c10->cd(2);
-       hc2->SetXTitle("ix (npads)");
-       hc2->Draw("box");
-       c10->cd(3);
-       hc3->SetXTitle("ix (npads)");
-       hc3->Draw("box");
-       c10->cd(4);
-       hc4->SetXTitle("ix (npads)");
-       hc4->Draw("box");
-       c10->cd(5);
-       hc5->SetXTitle("ix (npads)");
-       hc5->Draw("box");
-       c10->cd(6);
-       hc6->SetXTitle("ix (npads)");
-       hc6->Draw("box");
-       c10->cd(7);
-       hc7->SetXTitle("ix (npads)");
-       hc7->Draw("box");
-       c10->cd(8);
-       hc0->SetXTitle("ix (npads)");
-       hc0->Draw("box");
-        //}
-//
-       c11 = new TCanvas("c11","Hits per type",100,100,600,700);
-       c11->Divide(2,2);
-       //c4->SetFillColor(42);
-       
-       c11->cd(1);
-       feedback->SetXTitle("x (cm)");
-       feedback->SetYTitle("y (cm)");
-       feedback->Draw();
-       
-       c11->cd(2);
-       //mip->SetFillColor(5);
-       mip->SetXTitle("x (cm)");
-       mip->SetYTitle("y (cm)");
-       mip->Draw();
-       
-       c11->cd(3);
-       //cerenkov->SetFillColor(5);
-       cerenkov->SetXTitle("x (cm)");
-       cerenkov->SetYTitle("y (cm)"); 
-       cerenkov->Draw();
-       
-       c11->cd(4);
-       //h->SetFillColor(5);
-       h->SetXTitle("x (cm)");
-       h->SetYTitle("y (cm)");
-       h->Draw();
-
-       c12 = new TCanvas("c12","Hits distribution",150,150,600,350);
-       c12->Divide(2,1);
-       //c10->SetFillColor(42);
-       
-       c12->cd(1);
-       hitsX->SetFillColor(5);
-       hitsX->SetXTitle("(cm)");
-       hitsX->Draw();
-       
-       c12->cd(2);
-       hitsY->SetFillColor(5);
-       hitsY->SetXTitle("(cm)");
-       hitsY->Draw();
-       
-       break;
-       
-     }
-       
-
-   // calculate the number of pads which give a signal
-
-
-   //Int_t Np=0;
-   /*for (Int_t i=0;i< NpadX;i++) {
-       for (Int_t j=0;j< NpadY;j++) {
-          if (Pad[i][j]>=6){
-              Np+=1;
-          }
-       }
-   }*/
-   //printf("The total number of pads which give a signal: %d %d\n",Nh,Nh1);
-   printf("\nEnd of analysis\n");
-   printf("**********************************\n");
+  TLorentzVector x4;
+  gMC->TrackPosition(x4);  
+  TVector2 x2=C(iChamber)->Glob2Loc(x4);
+  Int_t sector=P()->Sector(x2);  if(sector==kBad) return; //hit in dead zone nothing to produce
+  Int_t iTotQdc=P()->TotQdc(x2,eloss);
+  Int_t iNphotons=gMC->GetRandom()->Poisson(P()->AlphaFeedback(sector)*iTotQdc);    
+  if(GetDebug())Info("GenerateFeedbacks","N photons=%i",iNphotons);
+  Int_t j;
+  Float_t cthf, phif, enfp = 0, sthf, e1[3], e2[3], e3[3], vmod, uswop,dir[3], phi,pol[3], mom[4];
+//Generate photons
+  for(Int_t i=0;i<iNphotons;i++){//feedbacks loop
+    Double_t ranf[2];
+    gMC->GetRandom()->RndmArray(2,ranf);    //Sample direction
+    cthf=ranf[0]*2-1.0;
+    if(cthf<0) continue;
+    sthf = TMath::Sqrt((1 - cthf) * (1 + cthf));
+    phif = ranf[1] * 2 * TMath::Pi();
+    
+    if(Double_t randomNumber=gMC->GetRandom()->Rndm()<=0.57)
+      enfp = 7.5e-9;
+    else if(randomNumber<=0.7)
+      enfp = 6.4e-9;
+    else
+      enfp = 7.9e-9;
+    
+
+    dir[0] = sthf * TMath::Sin(phif);    dir[1] = cthf;    dir[2] = sthf * TMath::Cos(phif);
+    gMC->Gdtom(dir, mom, 2);
+    mom[0]*=enfp;    mom[1]*=enfp;    mom[2]*=enfp;
+    mom[3] = TMath::Sqrt(mom[0]*mom[0]+mom[1]*mom[1]+mom[2]*mom[2]);
+    
+    // Polarisation
+    e1[0]=      0;    e1[1]=-dir[2];    e1[2]= dir[1];
+    e2[0]=-dir[1];    e2[1]= dir[0];    e2[2]=      0;
+    e3[0]= dir[1];    e3[1]=      0;    e3[2]=-dir[0];
+    
+    vmod=0;
+    for(j=0;j<3;j++) vmod+=e1[j]*e1[j];
+    if (!vmod) for(j=0;j<3;j++) {
+      uswop=e1[j];
+      e1[j]=e3[j];
+      e3[j]=uswop;
+    }
+    vmod=0;
+    for(j=0;j<3;j++) vmod+=e2[j]*e2[j];
+    if (!vmod) for(j=0;j<3;j++) {
+      uswop=e2[j];
+      e2[j]=e3[j];
+      e3[j]=uswop;
+    }
+    
+    vmod=0;  for(j=0;j<3;j++) vmod+=e1[j]*e1[j];  vmod=TMath::Sqrt(1/vmod);  for(j=0;j<3;j++) e1[j]*=vmod;    
+    vmod=0;  for(j=0;j<3;j++) vmod+=e2[j]*e2[j];  vmod=TMath::Sqrt(1/vmod);  for(j=0;j<3;j++) e2[j]*=vmod;
+    
+    phi = gMC->GetRandom()->Rndm()* 2 * TMath::Pi();
+    for(j=0;j<3;j++) pol[j]=e1[j]*TMath::Sin(phi)+e2[j]*TMath::Cos(phi);
+    gMC->Gdtom(pol, pol, 2);
+    Int_t outputNtracksStored;    
+    gAlice->GetMCApp()->PushTrack(1,                 //do not transport
+                     gAlice->GetMCApp()->GetCurrentTrackNumber(),//parent track 
+                     kFeedback,                      //PID
+                    mom[0],mom[1],mom[2],mom[3],    //track momentum  
+                     x4.X(),x4.Y(),x4.Z(),x4.T(),    //track origin 
+                     pol[0],pol[1],pol[2],           //polarization
+                    kPFeedBackPhoton,
+                     outputNtracksStored,
+                     1.0);    
+  }//feedbacks loop
+}//GenerateFeedbacks()
+//__________________________________________________________________________________________________
+
+void AliRICH::Reconstruct() const
+{
+// reconstruct clusters
+
+  AliRICHClusterFinder clusterer(const_cast<AliRICH*>(this));
+  clusterer.Exec();
 }
 
-////////////////////////////////////////////////////////////////////////
-void AliRICH::MakeBranchInTreeD(TTree *treeD, const char *file)
-{
-    //
-    // Create TreeD branches for the RICH.
-    //
-
-  const Int_t kBufferSize = 4000;
-  char branchname[30];
-    
-  //
-  // one branch for digits per chamber
-  // 
-  for (Int_t i=0; i<kNCH ;i++) {
-    sprintf(branchname,"%sDigits%d",GetName(),i+1);    
-    if (fDchambers && treeD) {
-      MakeBranchInTree(treeD, 
-                      branchname, &((*fDchambers)[i]), kBufferSize, file);
-//      printf("Making Branch %s for digits in chamber %d\n",branchname,i+1);
-    }
-  }
-}
-////////////////////////////////////////////////////////////////////////