Merge branch 'master' of https://git.cern.ch/reps/AliRoot
[u/mrichter/AliRoot.git] / T0 / AliT0v1.cxx
index 0d7f2fc..3adca93 100644 (file)
 #include <Riostream.h>
 #include <stdlib.h>
 
-#include <TLorentzVector.h>
-#include <TMath.h>
-#include <TVirtualMC.h>
+#include "TGeoCompositeShape.h"
 #include "TGeoManager.h"
 #include "TGeoMatrix.h"
 #include "TGeoPcon.h"
 #include "TGeoTube.h"
-#include "TGeoCompositeShape.h"
+#include <TGeoGlobalMagField.h>
 #include <TGraph.h>
+#include <TLorentzVector.h>
+#include <TMath.h>
+#include <TVirtualMC.h>
+#include <TString.h>
 
 #include "AliLog.h"
 #include "AliMagF.h"
@@ -54,6 +56,7 @@
 #include "AliCDBStorage.h"
 #include "AliCDBManager.h"
 #include "AliCDBEntry.h"
+#include "AliTrackReference.h"
 
 ClassImp(AliT0v1)
 
@@ -215,31 +218,31 @@ void AliT0v1::CreateGeometry()
     ppcon[41] =  7.6;
 
 
-    gMC->Gsvolu("0SUP", "PCON", idtmed[kAir], ppcon,42);
+    TVirtualMC::GetMC()->Gsvolu("0SUP", "PCON", idtmed[kAir], ppcon,42);
     z = -zdetC;
-    gMC->Gspos("0SUP",1,"ALIC",0.,0.,z,idrotm[901],"ONLY");
+    TVirtualMC::GetMC()->Gspos("0SUP",1,"ALIC",0.,0.,z,idrotm[901],"ONLY");
    
 //-------------------------------------------------------------------
  //  T0 volume 
  //-------------------------------------------------------------------
   
     
-    gMC->Gsvolu("0STR","PCON",idtmed[kAir],pstartR,18);
-    gMC->Gspos("0STR",1,"ALIC",0.,0.,-zdetC+pstartR[3],idrotm[901],"ONLY");
-    // gMC->Gspos("0STL",1,"ALIC",0.,0.,zdetA+pstart[2],0,"ONLY");
+    TVirtualMC::GetMC()->Gsvolu("0STR","PCON",idtmed[kAir],pstartR,18);
+    TVirtualMC::GetMC()->Gspos("0STR",1,"ALIC",0.,0.,-zdetC+pstartR[3],idrotm[901],"ONLY");
+    // TVirtualMC::GetMC()->Gspos("0STL",1,"ALIC",0.,0.,zdetA+pstart[2],0,"ONLY");
 
 //T0 interior
-   gMC->Gsvolu("0INS","TUBE",idtmed[kAir],pinstart,3);
-   gMC->Gsvolu("0PMT","TUBE",idtmed[kAir],ppmt,3);     
+   TVirtualMC::GetMC()->Gsvolu("0INS","TUBE",idtmed[kAir],pinstart,3);
+   TVirtualMC::GetMC()->Gsvolu("0PMT","TUBE",idtmed[kAir],ppmt,3);     
           
-    gMC->Gsvolu("0SU1","TUBE",idtmed[kC],psupport1,3);//C kozhuh vnutri
-    gMC->Gsvolu("0SU2","TUBE",idtmed[kC],psupport2,3);// snaruzhi  C
-    gMC->Gsvolu("0SU3","TUBE",idtmed[kC],psupport3,3);//kryshka perednaiai  C
-    gMC->Gsvolu("0SU4","TUBE",idtmed[kC],psupport3,3);//kryshka zadnaiai  C
-    //    gMC->Gsvolu("0SU5","TUBE",idtmed[kAir],psupport4,3);// dyrki dlia feu v zadnej kryshke Air
-    gMC->Gsvolu("0SU6","TUBE",idtmed[kC],psupport5,3);// stakanchik dlai feu  C
-    gMC->Gsvolu("0SU7","TUBE",idtmed[kAl],psupport6,3);//kryshechka stakanchika  Al
-    gMC->Gsvolu("0SU8","TUBE",idtmed[kAl],psupport7,3);//kolechko snaruzhu stakanchika Al
+    TVirtualMC::GetMC()->Gsvolu("0SU1","TUBE",idtmed[kC],psupport1,3);//C kozhuh vnutri
+    TVirtualMC::GetMC()->Gsvolu("0SU2","TUBE",idtmed[kC],psupport2,3);// snaruzhi  C
+    TVirtualMC::GetMC()->Gsvolu("0SU3","TUBE",idtmed[kC],psupport3,3);//kryshka perednaiai  C
+    TVirtualMC::GetMC()->Gsvolu("0SU4","TUBE",idtmed[kC],psupport3,3);//kryshka zadnaiai  C
+    //    TVirtualMC::GetMC()->Gsvolu("0SU5","TUBE",idtmed[kAir],psupport4,3);// dyrki dlia feu v zadnej kryshke Air
+    TVirtualMC::GetMC()->Gsvolu("0SU6","TUBE",idtmed[kC],psupport5,3);// stakanchik dlai feu  C
+    TVirtualMC::GetMC()->Gsvolu("0SU7","TUBE",idtmed[kAl],psupport6,3);//kryshechka stakanchika  Al
+    TVirtualMC::GetMC()->Gsvolu("0SU8","TUBE",idtmed[kAl],psupport7,3);//kolechko snaruzhu stakanchika Al
    
  
 
@@ -259,12 +262,14 @@ void AliT0v1::CreateGeometry()
     new TGeoTube("0HOLE", 0, 1.51, 6.5);
     TGeoTranslation *tr [12];
     Double_t angle  = 2 * TMath::Pi() / 12;
-    Char_t nameTr[40];
+    // Char_t nameTr[40];
+    TString nameTr;
     for (Int_t itr=0; itr<12; itr++) {
-      sprintf (nameTr,"0TR%i",itr+1);
+      //      sprintf (nameTr,"0TR%i",itr+1);
+      nameTr = Form("0TR%i",itr+1);
       x = 6.5 * TMath::Sin(itr * angle);
       y = 6.5 * TMath::Cos(itr * angle);
-      tr[itr] = new TGeoTranslation(nameTr,x,y,6.5);
+      tr[itr] = new TGeoTranslation(nameTr.Data(),x,y,6.5);
       tr[itr]->RegisterYourself();
       stlin->AddNode(ins,itr+13,tr[itr]);
     }
@@ -299,112 +304,112 @@ void AliT0v1::CreateGeometry()
                   90. + theta, phi[1],
                   theta,       phi[2]);  
        z=-pstart[2]+pinstart[2]+0.3;
-       gMC->Gspos ("0INS", is + 1, "0STR", x, y, z, idrotm[902 + is], "ONLY");
+       TVirtualMC::GetMC()->Gspos ("0INS", is + 1, "0STR", x, y, z, idrotm[902 + is], "ONLY");
   }    
      
    x=0;
    y=0;
    //   z=-pinstart[2]+ppmt[2]+psupport6[2]*2;
    z=-pinstart[2]+ppmt[2]+0.08; //+psupport6[2];
-   gMC->Gspos("0PMT",1,"0INS",x,y,z,0,"ONLY");
+   TVirtualMC::GetMC()->Gspos("0PMT",1,"0INS",x,y,z,0,"ONLY");
    // PMT
    
    // Entry window (glass)
-   gMC->Gsvolu("0TOP","TUBE",idtmed[kOpGlass],ptop,3); //glass
+   TVirtualMC::GetMC()->Gsvolu("0TOP","TUBE",idtmed[kOpGlass],ptop,3); //glass
    z=-ppmt[2]+ptop[2];
-   gMC->Gspos("0TOP",1,"0PMT",0,0,z,0,"ONLY");
+   TVirtualMC::GetMC()->Gspos("0TOP",1,"0PMT",0,0,z,0,"ONLY");
    //"metal" air volume to simulate reclection  
-   gMC->Gsvolu("0TOO","TUBE",idtmed[kOpAir],ptopout,3); 
-   gMC->Gspos("0TOO",1,"0PMT",0,0,z,0,"ONLY");
+   TVirtualMC::GetMC()->Gsvolu("0TOO","TUBE",idtmed[kOpAir],ptopout,3); 
+   TVirtualMC::GetMC()->Gspos("0TOO",1,"0PMT",0,0,z,0,"ONLY");
 
    //Fotokatod
-   gMC->Gsvolu ("0REG", "TUBE", idtmed[kOpGlassCathode], preg, 3); 
+   TVirtualMC::GetMC()->Gsvolu ("0REG", "TUBE", idtmed[kOpGlassCathode], preg, 3); 
    z = -ppmt[2] + 2 * ptop[2] + preg[2]; 
-   gMC->Gspos ("0REG", 1, "0PMT", 0, 0, z, 0, "ONLY"); 
+   TVirtualMC::GetMC()->Gspos ("0REG", 1, "0PMT", 0, 0, z, 0, "ONLY"); 
   // Bottom glass
-   gMC->Gsvolu("0BOT","TUBE",idtmed[kGlass],pbot,3);
+   TVirtualMC::GetMC()->Gsvolu("0BOT","TUBE",idtmed[kGlass],pbot,3);
    z=ppmt[2]-pbot[2];
-   gMC->Gspos("0BOT",1,"0PMT",0,0,z,0,"ONLY");
+   TVirtualMC::GetMC()->Gspos("0BOT",1,"0PMT",0,0,z,0,"ONLY");
    // Side cylinder glass
-   gMC->Gsvolu("0OUT","TUBE",idtmed[kGlass],pglass,3);
+   TVirtualMC::GetMC()->Gsvolu("0OUT","TUBE",idtmed[kGlass],pglass,3);
    z=ppmt[2]-pglass[2];
-   gMC->Gspos("0OUT",1,"0PMT",0,0,z,0,"ONLY");
+   TVirtualMC::GetMC()->Gspos("0OUT",1,"0PMT",0,0,z,0,"ONLY");
    //PMT electrodes support structure
-   gMC->Gsvolu("0CER","TUBE",idtmed[kCer],pcer,3);
-   gMC->Gsvolu("0STE","TUBE",idtmed[kSteel],psteel,3);
+   TVirtualMC::GetMC()->Gsvolu("0CER","TUBE",idtmed[kCer],pcer,3);
+   TVirtualMC::GetMC()->Gsvolu("0STE","TUBE",idtmed[kSteel],psteel,3);
    z=-ppmt[2]+2*ptop[2]+0.3 + pcer[2];
-   gMC->Gspos("0CER",1,"0PMT",0,0,z,0,"ONLY");
+   TVirtualMC::GetMC()->Gspos("0CER",1,"0PMT",0,0,z,0,"ONLY");
    z +=psteel[2]+pcer[2];
-   gMC->Gspos("0STE",1,"0PMT",0,0,z,0,"ONLY");
+   TVirtualMC::GetMC()->Gspos("0STE",1,"0PMT",0,0,z,0,"ONLY");
     
    //Support absorber (C) side
    z=-pstart[2]+psupport1[2];//  0.05; //0.1;
-   gMC->Gspos("0SU1",1,"0STR",0,0,z,0,"ONLY"); //C kozhuh snaruzhi
-   gMC->Gspos("0SU2",1,"0STR",0,0,z,0,"ONLY"); //C kozhuh vnutri
+   TVirtualMC::GetMC()->Gspos("0SU1",1,"0STR",0,0,z,0,"ONLY"); //C kozhuh snaruzhi
+   TVirtualMC::GetMC()->Gspos("0SU2",1,"0STR",0,0,z,0,"ONLY"); //C kozhuh vnutri
    z=-pstart[2]+psupport3[2];//  - 0.1;
-   gMC->Gspos("0SU3",1,"0STR",0,0,z,0,"ONLY"); //peredniaia kryshka
+   TVirtualMC::GetMC()->Gspos("0SU3",1,"0STR",0,0,z,0,"ONLY"); //peredniaia kryshka
    z=-pstart[2]+2.*psupport1[2];//+0.1;
-   gMC->Gspos("0SU4",1,"0STR",0,0,z,0,"MANY"); //zadnaiai kryshka
-   gMC->Gspos("0SU6",1,"0INS",0,0,0,0,"ONLY");//C stakanchik dlia feu 
+   TVirtualMC::GetMC()->Gspos("0SU4",1,"0STR",0,0,z,0,"MANY"); //zadnaiai kryshka
+   TVirtualMC::GetMC()->Gspos("0SU6",1,"0INS",0,0,0,0,"ONLY");//C stakanchik dlia feu 
    z=-pinstart[2]+psupport6[2]; //-0.1;
-   gMC->Gspos("0SU7",1,"0INS",0,0,z,0,"ONLY"); //Al kryshechka 
+   TVirtualMC::GetMC()->Gspos("0SU7",1,"0INS",0,0,z,0,"ONLY"); //Al kryshechka 
    
    z=pinstart[2]-psupport7[2];
-   gMC->Gspos("0SU8",1,"0SU6",0,0,z,0,"ONLY"); //Al kolechko
+   //  TVirtualMC::GetMC()->Gspos("0SU8",1,"0SU6",0,0,z,0,"ONLY"); //Al kolechko
    
    
    Float_t par[3];
    par[0]=4.4;
    par[1]=4.5;
    par[2]=0.5;
-   gMC->Gsvolu("0SC0","TUBE",idtmed[kC],par,3);
+   TVirtualMC::GetMC()->Gsvolu("0SC0","TUBE",idtmed[kC],par,3);
    z=ppcon[3]+par[2];
-   gMC->Gspos("0SC0",1,"0SUP",0,0,z,0,"ONLY"); 
+   TVirtualMC::GetMC()->Gspos("0SC0",1,"0SUP",0,0,z,0,"ONLY"); 
    z += par[2];
    par[0]=4.4;
    par[1]=5.1;
    par[2]=0.05;
-   gMC->Gsvolu("0SC1","TUBE",idtmed[kC],par,3);
+   TVirtualMC::GetMC()->Gsvolu("0SC1","TUBE",idtmed[kC],par,3);
    z += par[2];
-   gMC->Gspos("0SC1",1,"0SUP",0,0,z,0,"ONLY"); 
+   TVirtualMC::GetMC()->Gspos("0SC1",1,"0SUP",0,0,z,0,"ONLY"); 
    z=z+par[2];
    par[0]=4.9;
    par[1]=5.0;
    par[2]=6.7/2;
-    gMC->Gsvolu("0SC2","TUBE",idtmed[kC],par,3);
+    TVirtualMC::GetMC()->Gsvolu("0SC2","TUBE",idtmed[kC],par,3);
     z += par[2];
-    gMC->Gspos("0SC2",1,"0SUP",0,0,z,0,"ONLY"); 
+    TVirtualMC::GetMC()->Gspos("0SC2",1,"0SUP",0,0,z,0,"ONLY"); 
     z += par[2];
    
     par[0]=3.15;
     par[1]=4.9;
     par[2]=0.01/2;
 
-    gMC->Gsvolu("0SA1","TUBE",idtmed[kAl],par,3);
+    TVirtualMC::GetMC()->Gsvolu("0SA1","TUBE",idtmed[kAl],par,3);
     
      z += par[2];
      //  z -= par[2];
-    gMC->Gspos("0SA1",1,"0SUP",0,0,z,0,"ONLY"); 
+    TVirtualMC::GetMC()->Gspos("0SA1",1,"0SUP",0,0,z,0,"ONLY"); 
     z=z+par[2];
     par[0]=3.15;
     par[1]=3.16;
     par[2]=4.7/2;
-    gMC->Gsvolu("0SA2","TUBE",idtmed[kAl],par,3);
+    TVirtualMC::GetMC()->Gsvolu("0SA2","TUBE",idtmed[kAl],par,3);
     z += par[2];
-    gMC->Gspos("0SA2",1,"0SUP",0,0,z,0,"ONLY"); 
+    TVirtualMC::GetMC()->Gspos("0SA2",1,"0SUP",0,0,z,0,"ONLY"); 
     z=z+par[2];
     par[0]=3.16; // eta chast' prikruchena k absorberu
     par[1]=7.4;
     par[2]=0.01;
-    gMC->Gsvolu("0SA3","TUBE",idtmed[kAl],par,3);
+    TVirtualMC::GetMC()->Gsvolu("0SA3","TUBE",idtmed[kAl],par,3);
     //   z += par[2];
    z = ppcon[39] - par[2];
-    gMC->Gspos("0SA3",1,"0SUP",0,0,z,0,"ONLY"); 
+    TVirtualMC::GetMC()->Gspos("0SA3",1,"0SUP",0,0,z,0,"ONLY"); 
     par[0]=3.16; // gvozdi eta chast' prikruchena k absorberu
     par[1]=7.4;
     par[2]=0.01;
-    gMC->Gsvolu("0SN2","TUBE",idtmed[kSteel],par,3);
-    gMC->Gspos("0SN2",1,"0SUP",0,0,z,0,"MANY"); 
+    TVirtualMC::GetMC()->Gsvolu("0SN2","TUBE",idtmed[kSteel],par,3);
+    TVirtualMC::GetMC()->Gspos("0SN2",1,"0SUP",0,0,z,0,"MANY"); 
  
    
 
@@ -461,35 +466,12 @@ void AliT0v1::AddAlignableVolumes() const
        AliFatal(Form("Alignable entry %s not created. Volume path %s not valid",
 symName.Data(),volPath.Data()));
    }
-  /*
-  for (Int_t imod=0; imod<24; imod++)
-    {
-       if (imod < 12)
-         { volPath  = vpC; sn="T0/C/PMT";}
-        else
-          { volPath  = vpA; sn="T0/A/PMT";}
-      volPath += imod+1;
-      volPath += vpInside;
-      symName = sn;
-      symName += imod+1;
-    
-
-      AliDebug(2,"--------------------------------------------");
-      AliDebug(2,Form("Alignable object %d", imod));
-      AliDebug(2,Form("volPath=%s\n",volPath.Data()));
-      AliDebug(2,Form("symName=%s\n",symName.Data()));
-      AliDebug(2,"--------------------------------------------");
-      if(!gGeoManager->SetAlignableEntry(symName.Data(),volPath.Data()))
-       AliFatal(Form("Alignable entry %s not created. Volume path %s not valid",
-symName.Data(),volPath.Data()));
-   }
-  */
 }   
 //------------------------------------------------------------------------
 void AliT0v1::CreateMaterials()
 {
-   Int_t isxfld   = gAlice->Field()->Integ();
-   Float_t sxmgmx = gAlice->Field()->Max();
+   Int_t isxfld   = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Integ();
+   Float_t sxmgmx = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max();
    //   Float_t a,z,d,radl,absl,buf[1];
    // Int_t nbuf;
 // AIR
@@ -498,7 +480,8 @@ void AliT0v1::CreateMaterials()
    Float_t zAir[4]={6.,7.,8.,18.};
    Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
    Float_t dAir = 1.20479E-3;
-                                                                                
+   Float_t dAir1 = 1.20479E-11;
+                                                                               
 // Scintillator CH
    Float_t ascin[2]={1.01,12.01};
    Float_t zscin[2]={1,6};
@@ -540,7 +523,7 @@ void AliT0v1::CreateMaterials()
     
 //*** Definition Of avaible T0 materials ***
    AliMaterial(0, "Steel$", 55.850,26.,7.87,1.76,999);
-   AliMaterial(1, "Vacuum$", 1.e-16,1.e-16,1.e-16,1.e16,999);
+   AliMixture(1, "Vacuum$", aAir, zAir, dAir1,4,wAir);
    AliMixture(2, "Air$", aAir, zAir, dAir,4,wAir);
    AliMaterial(10, "CarbonPlastic$", 12.01, 6.0, 2.26, 18.8,999); 
    AliMaterial(11, "Aliminium$", 26.98, 13.0, 2.7, 8.9,999); 
@@ -550,11 +533,11 @@ void AliT0v1::CreateMaterials()
    /* 
   char namate[21]="";
   
-   gMC->Gfmate((*fIdmate)[3], namate, a, z, d, radl, absl, buf, nbuf);
+   TVirtualMC::GetMC()->Gfmate((*fIdmate)[3], namate, a, z, d, radl, absl, buf, nbuf);
    acer[0]=a;  
 
    zcer[0]=z;
-   gMC->Gfmate((*fIdmate)[4], namate, a, z, d, radl, absl, buf, nbuf);
+   TVirtualMC::GetMC()->Gfmate((*fIdmate)[4], namate, a, z, d, radl, absl, buf, nbuf);
    acer[1]=a;
    zcer[1]=z;
    AliMixture( 11, "Ceramic    $", acer, zcer, denscer, 2, wcer);
@@ -590,32 +573,6 @@ void AliT0v1::CreateMaterials()
    
    
 }
-//---------------------------------------------------------------------
-void AliT0v1::DrawDetector()
-{
-//
-// Draw a shaded view of the Forward multiplicity detector version 0
-//
-  
-  //Set ALIC mother transparent
-  gMC->Gsatt("ALIC","SEEN",0);
-  //
-  //Set volumes visible
-  //  gMC->Gsatt("0STR","SEEN",0);
-  //  gMC->Gsatt("0INS","SEEN",0);
-  // gMC->Gsatt("0PMT","SEEN",1);
-  // gMC->Gsatt("0DIV","SEEN",1);
-  //
-  gMC->Gdopt("hide","off");
-  gMC->Gdopt("shad","on");
-  gMC->SetClipBox(".");
-  gMC->SetClipBox("*",0,1000,-1000,1000,-1000,1000);
-  gMC->DefaultRange();
-  gMC->Gdraw("alic",90,0,0,-35,9.5,.6,0.6);
-  //gMC->Gdraw("alic",0,0,0,10,9.5,.8,0.8); //other side view
-  gMC->Gdhead(1111,"T-Zero detector");
-  gMC->Gdopt("hide","off");
-}
 
 //-------------------------------------------------------------------
 void AliT0v1::DefineOpticalProperties()
@@ -627,7 +584,8 @@ void AliT0v1::DefineOpticalProperties()
    const Int_t kNbins=31;
    
    Float_t rindexSiO2[kNbins],  efficAll[kNbins], rindexAir[kNbins], absorAir[kNbins],rindexCathodeNext[kNbins], absorbCathodeNext[kNbins];
-            
+   Double_t efficMet[kNbins], aReflMet[kNbins];
+           
    // quartz 20mm
    Float_t aAbsSiO2[kNbins]={29.0, 28.6, 28.3, 27.7, 27.3, 26.7, 26.4, 
                             25.9, 25.3, 24.9, 24.5, 23.7, 
@@ -642,6 +600,13 @@ void AliT0v1::DefineOpticalProperties()
                             5.8,  5.97, 6.16, 6.36, 6.57, 
                             6.8,  7.04, 7.3,  7.58, 7.89, 
                             8.22, 8.57, 8.97, 9.39 };  
+  Double_t dPckov[kNbins]  ={3.87, 3.94, 4.02, 4.11, 4.19, 4.29, 4.38,
+                             4.48, 4.58, 4.69, 4.81, 4.93,
+                             5.05, 5.19, 5.33, 5.48, 5.63,
+                             5.8,  5.97, 6.16, 6.36, 6.57,
+                             6.8,  7.04, 7.3,  7.58, 7.89,
+                             8.22, 8.57, 8.97, 9.39 };
+
    /*     
    Float_t effCathode[kNbins]={0.11, 0.13, 0.15, 0.16, 0.18, 0.19, 0.20,
                              0.21, 0.22, 0.23, 0.24, 0.26, 
@@ -651,26 +616,37 @@ void AliT0v1::DefineOpticalProperties()
                              0.17, 0.17, 0.2, 0.23};
    */     
    //  Float_t aAbsSiO2[kNbins]; //quartz 30mm
-  for(i=0;i<kNbins;i++)
+ for(i=0;i<kNbins;i++)
+
     {
-      aPckov[i]=aPckov[i]*1e-9;//Photons energy bins 4 eV - 8.5 eV step 0.1 eV   
-      rindexAir[i]=0;
+      aPckov[i]=aPckov[i]*1e-9;//Photons energy bins 4 eV - 8.5 eV step 0.1 eV
+      dPckov[i]=dPckov[i]*1e-9;//Photons energy bins 4 eV - 8.5 eV step 0.1 eV 
+      //      rindexAir[i]=0.0001;
+      rindexAir[i] = 1.;
       rindexSiO2[i]=1.458; //refractive index for qwarts
       rindexCathodeNext[i]=0;
       efficAll[i]=1.;
-
+      efficMet[i]=0.;
+      aReflMet[i]=1.;
       //      aAbsSiO2[i]=28.5; //quartz 30mm
       absorAir[i]=0.3;      
       absorbCathodeNext[i]=0;
 
     }
   
-  
-   gMC->SetCerenkov (idtmed[kOpGlass], kNbins, aPckov, aAbsSiO2, efficAll, rindexSiO2 );
-   // gMC->SetCerenkov (idtmed[kOpGlassCathode], kNbins, aPckov, aAbsSiO2, effCathode, rindexSiO2 );
-   gMC->SetCerenkov (idtmed[kOpGlassCathode], kNbins, aPckov, aAbsSiO2,efficAll , rindexSiO2 );
-  gMC->SetCerenkov (idtmed[kOpAir], kNbins, aPckov,absorAir , efficAll,rindexAir );
-   gMC->SetCerenkov (idtmed[kOpAirNext], kNbins, aPckov,absorbCathodeNext , efficAll, rindexCathodeNext);
+  TVirtualMC::GetMC()->SetCerenkov (idtmed[kOpGlass], kNbins, aPckov, aAbsSiO2, efficAll, rindexSiO2 );
+   // TVirtualMC::GetMC()->SetCerenkov (idtmed[kOpGlassCathode], kNbins, aPckov, aAbsSiO2, effCathode, rindexSiO2 );
+   TVirtualMC::GetMC()->SetCerenkov (idtmed[kOpGlassCathode], kNbins, aPckov, aAbsSiO2,efficAll , rindexSiO2 );
+  TVirtualMC::GetMC()->SetCerenkov (idtmed[kOpAir], kNbins, aPckov,absorAir , efficAll,rindexAir );
+   TVirtualMC::GetMC()->SetCerenkov (idtmed[kOpAirNext], kNbins, aPckov,absorbCathodeNext , efficAll, rindexCathodeNext);
+
+   //Define a boarder for radiator optical properties
+   TVirtualMC::GetMC()->DefineOpSurface("surfRd", kUnified /*kGlisur*/,kDielectric_metal,kPolished, 0.);
+   TVirtualMC::GetMC()->SetMaterialProperty("surfRd", "EFFICIENCY", kNbins, dPckov, efficMet);
+   TVirtualMC::GetMC()->SetMaterialProperty("surfRd", "REFLECTIVITY", kNbins, dPckov, aReflMet);
+   TVirtualMC::GetMC()->SetBorderSurface("0TOPborder", "0TOP",1,"0TOO",1, "surfRd");
+
+
 }
 
 //-------------------------------------------------------------------
@@ -679,7 +655,7 @@ void AliT0v1::Init()
 // Initialises version 0 of the Forward Multiplicity Detector
 //
   AliT0::Init();
-  fIdSens1=gMC->VolId("0REG");
+  fIdSens1=TVirtualMC::GetMC()->VolId("0REG");
 
    AliDebug(1,Form("%s: *** T0 version 1 initialized ***\n",ClassName()));
 }
@@ -695,60 +671,62 @@ void AliT0v1::StepManager()
   static Float_t hits[6];
   static Int_t vol[2];
   TLorentzVector pos;
+  TLorentzVector mom;
   
   //   TClonesArray &lhits = *fHits;
   
-  if(!gMC->IsTrackAlive()) return; // particle has disappeared
+  if(!TVirtualMC::GetMC()->IsTrackAlive()) return; // particle has disappeared
   
+  id=TVirtualMC::GetMC()->CurrentVolID(copy);
   
-    // If particles is photon then ...
-  
- if (gMC->TrackPid() == 50000050)
-  {
-      id=gMC->CurrentVolID(copy);
+  // Check the sensetive volume
+  if(id==fIdSens1 ) { 
+    if(TVirtualMC::GetMC()->IsTrackEntering()) {
+      TVirtualMC::GetMC()->CurrentVolOffID(2,copy);
+      vol[1]=copy;
+      TVirtualMC::GetMC()->CurrentVolOffID(3,copy1);
+      vol[0]=copy1;
+      TVirtualMC::GetMC()->TrackPosition(pos);
+      hits[0] = pos[0];
+      hits[1] = pos[1];
+      hits[2] = pos[2];
+      if(pos[2]<0) vol[0] = 2;
+      if(pos[2]>=0) vol[0] = 1; 
       
+      Float_t etot=TVirtualMC::GetMC()->Etot();
+      hits[3]=etot;
+      Int_t iPart= TVirtualMC::GetMC()->TrackPid();
+      Int_t partID=TVirtualMC::GetMC()->IdFromPDG(iPart);
+      hits[4]=partID;
+      Float_t ttime=TVirtualMC::GetMC()->TrackTime();
+      hits[5]=ttime*1e12;
+      if (TVirtualMC::GetMC()->TrackPid() == 50000050)   // If particles is photon then ...
+       {
+         if(RegisterPhotoE(vol[1]-1,hits[3])) {
+           AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(),vol,hits);
+           // Create a track reference at the exit of photocatode
+         }         
+       }
+
+      //charge particle 
+      if ( TVirtualMC::GetMC()->TrackCharge() )
+       AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber(), AliTrackReference::kT0);
       
-      // Check the sensetive volume
-      if(id==fIdSens1 ) { 
-       if(gMC->IsTrackEntering()) {
-           gMC->CurrentVolOffID(2,copy);
-           vol[1]=copy;
-           gMC->CurrentVolOffID(3,copy1);
-           vol[0]=copy1;
-           gMC->TrackPosition(pos);
-           hits[0] = pos[0];
-           hits[1] = pos[1];
-           hits[2] = pos[2];
-           if(pos[2]<0) vol[0]=2;
-           if(pos[2]>=0) vol[0]=1; 
-           
-           Float_t etot=gMC->Etot();
-           hits[3]=etot;
-           Int_t iPart= gMC->TrackPid();
-           Int_t partID=gMC->IdFromPDG(iPart);
-           hits[4]=partID;
-           Float_t ttime=gMC->TrackTime();
-           hits[5]=ttime*1e12;
-           if(RegisterPhotoE(vol[1]-1,hits[3])) 
-             AddHit(fIshunt,vol,hits);
-           
-         }
-         //  cout<< gAlice->GetMCApp()->GetCurrentTrackNumber()<<" hit added "<<endl;
-       
        /*              
                printf("track(%i) alive(%i) disap(%i) enter(%i) exit(%i) inside(%i) out(%i) stop(%i) new(%i) \n",
                       gAlice->GetMCApp()->GetCurrentTrackNumber(),
-              gMC->IsTrackAlive(),
-              gMC->IsTrackDisappeared(),
-              gMC->IsTrackEntering(),
-              gMC->IsTrackExiting(),
-              gMC->IsTrackInside(),
-              gMC->IsTrackOut(),
-              gMC->IsTrackStop(),
-              gMC->IsNewTrack());
-       */              
-      } //sensitive
-  } //photon
+              TVirtualMC::GetMC()->IsTrackAlive(),
+              TVirtualMC::GetMC()->IsTrackDisappeared(),
+              TVirtualMC::GetMC()->IsTrackEntering(),
+              TVirtualMC::GetMC()->IsTrackExiting(),
+              TVirtualMC::GetMC()->IsTrackInside(),
+              TVirtualMC::GetMC()->IsTrackOut(),
+              TVirtualMC::GetMC()->IsTrackStop(),
+              TVirtualMC::GetMC()->IsNewTrack());
+       */
+    }// trck entering          
+  } //sensitive
+  
 }