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  * provided "as is" without express or implied warranty.                  *
  **************************************************************************/
 
-/*
-$Log$
-Revision 1.20  2001/05/16 14:57:24  alibrary
-New files for folders and Stack
-
-Revision 1.19  2001/05/04 10:09:48  vicinanz
-Major upgrades to the strip structure
-
-Revision 1.18  2000/12/04 08:48:20  alibrary
-Fixing problems in the HEAD
-
-Revision 1.17  2000/10/02 21:28:17  fca
-Removal of useless dependecies via forward declarations
-
-Revision 1.16  2000/05/10 16:52:18  vicinanz
-New TOF version with holes for PHOS/RICH
-
-Revision 1.14.2.1  2000/05/10 09:37:16  vicinanz
-New version with Holes for PHOS/RICH
-
-Revision 1.14  1999/11/05 22:39:06  fca
-New hits structure
-
-Revision 1.13  1999/11/02 11:26:39  fca
-added stdlib.h for exit
-
-Revision 1.12  1999/11/01 20:41:57  fca
-Added protections against using the wrong version of FRAME
-
-Revision 1.11  1999/10/22 08:04:14  fca
-Correct improper use of negative parameters
-
-Revision 1.10  1999/10/16 19:30:06  fca
-Corrected Rotation Matrix and CVS log
-
-Revision 1.9  1999/10/15 15:35:20  fca
-New version for frame1099 with and without holes
-
-Revision 1.8  1999/09/29 09:24:33  fca
-Introduction of the Copyright and cvs Log
-
-*/
+/* $Id$ */
 
 ///////////////////////////////////////////////////////////////////////////////
 //                                                                           //
-//  Time Of Flight: design of C.Williams                                     
-//                                                                          
 //  This class contains the functions for version 2 of the Time Of Flight    //
 //  detector.                                                                //
-//
-//  VERSION WITH 5 MODULES AND TILTED STRIPS 
-//  
-//  HOLES FOR PHOS AND RICH DETECTOR
-//
-//   Authors:
-//
-//   Alessio Seganti
-//   Domenico Vicinanza
-//
-//   University of Salerno - Italy
-//
-//   Fabrizio Pierella
-//   University of Bologna - Italy
-//
-//
-//Begin_Html
-/*
-<img src="picts/AliTOFv2Class.gif">
-*/
-//End_Html
+//                                                                           //
+//  VERSION WITH 5 MODULES AND TILTED STRIPS                                 //
+//                                                                           //
+//  HOLES FOR PHOS AND HMPID DETECTOR                                         //
+//                                                                           //
+//   Authors:                                                                //
+//                                                                           //
+//   Alessio Seganti                                                         //
+//   Domenico Vicinanza                                                      //
+//                                                                           //
+//   University of Salerno - Italy                                           //
+//                                                                           //
+//   Fabrizio Pierella                                                       //
+//   University of Bologna - Italy                                           //
+//                                                                           //
+//                                                                           //
+//Begin_Html                                                                 //
+/*                                                                           //
+<img src="picts/AliTOFv2Class.gif">                                          //
+*/                                                                           //
+//End_Html                                                                   //
 //                                                                           //
 ///////////////////////////////////////////////////////////////////////////////
 
-#include <iostream.h>
+#include <Riostream.h>
 #include <stdlib.h>
 
-#include "AliTOFv2.h"
-#include "TBRIK.h"
-#include "TGeometry.h"
-#include "TNode.h"
 #include <TLorentzVector.h>
-#include "TObject.h"
+#include <TObject.h>
+#include <TVirtualMC.h>
+
+#include "AliConst.h"
+#include "AliMagF.h"
 #include "AliRun.h"
+#include "AliTOFv2.h"
+#include "AliTOFConstants.h" // AdC
 #include "AliMC.h"
-#include "AliMagF.h"
-#include "AliConst.h"
-
  
 ClassImp(AliTOFv2)
  
@@ -133,118 +89,6 @@ AliTOFv2::AliTOFv2(const char *name, const char *title)
 
 }
 
-//____________________________________________________________________________
-AliTOFv2::~AliTOFv2()
-{
-  // destructor
-
-  if ( fHits) {
-    fHits->Delete() ; 
-    delete fHits ;
-    fHits = 0 ; 
-  }
-
-  if ( fSDigits) {
-    fSDigits->Delete() ; 
-    delete fSDigits ;
-    fSDigits = 0 ; 
-  }
-
-  if ( fDigits) {
-    fDigits->Delete() ; 
-    delete fDigits ;
-    fDigits = 0 ; 
-  }
-  
-}
-
-//_____________________________________________________________________________
-void AliTOFv2::BuildGeometry()
-{
-  //
-  // Build TOF ROOT geometry for the ALICE event display
-  //
-  TNode *node, *top;
-  const int kColorTOF  = 27;
-
-  // Find top TNODE
-  top = gAlice->GetGeometry()->GetNode("alice");
-
-  // Position the different copies
-  const Float_t krTof  =(fRmax+fRmin)/2;
-  const Float_t khTof  = fRmax-fRmin;
-  const Int_t   kNTof = fNTof;
-  const Float_t kPi   = TMath::Pi();
-  const Float_t kangle = 2*kPi/kNTof;
-  Float_t ang;
-
-  // Define TOF basic volume
-  
-  char nodeName0[6], nodeName1[6], nodeName2[6]; 
-  char nodeName3[6], nodeName4[6], rotMatNum[6];
-
-  new TBRIK("S_TOF_C","TOF box","void",
-            120*0.5,khTof*0.5,fZlenC*0.5);
-  new TBRIK("S_TOF_B","TOF box","void",
-            120*0.5,khTof*0.5,fZlenB*0.5);
-  new TBRIK("S_TOF_A","TOF box","void",
-            120*0.5,khTof*0.5,fZlenA*0.5);
-
-  for (Int_t nodeNum=1;nodeNum<19;nodeNum++){
-     
-      if (nodeNum<10) {
-           sprintf(rotMatNum,"rot50%i",nodeNum);
-           sprintf(nodeName0,"FTO00%i",nodeNum);
-           sprintf(nodeName1,"FTO10%i",nodeNum);
-           sprintf(nodeName2,"FTO20%i",nodeNum);
-           sprintf(nodeName3,"FTO30%i",nodeNum);
-           sprintf(nodeName4,"FTO40%i",nodeNum);
-      }
-      if (nodeNum>9) {
-           sprintf(rotMatNum,"rot5%i",nodeNum);
-           sprintf(nodeName0,"FTO0%i",nodeNum);
-           sprintf(nodeName1,"FTO1%i",nodeNum);
-           sprintf(nodeName2,"FTO2%i",nodeNum);
-           sprintf(nodeName3,"FTO3%i",nodeNum);
-           sprintf(nodeName4,"FTO4%i",nodeNum);
-      }
-      new TRotMatrix(rotMatNum,rotMatNum,90,-20*nodeNum,90,90-20*nodeNum,0,0);
-      ang = (4.5-nodeNum) * kangle;
-
-      top->cd();
-      node = new TNode(nodeName0,nodeName0,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),299.15,rotMatNum);
-      node->SetLineColor(kColorTOF);
-      fNodes->Add(node); 
-
-      top->cd(); 
-      node = new TNode(nodeName1,nodeName1,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-299.15,rotMatNum);
-      node->SetLineColor(kColorTOF);
-      fNodes->Add(node); 
-if (nodeNum !=1 && nodeNum!=2 && nodeNum !=18)
-    {
-      top->cd();
-      node = new TNode(nodeName2,nodeName2,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),146.45,rotMatNum);
-      node->SetLineColor(kColorTOF);
-      fNodes->Add(node); 
-
-      top->cd();
-      node = new TNode(nodeName3,nodeName3,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-146.45,rotMatNum);
-      node->SetLineColor(kColorTOF);
-      fNodes->Add(node); 
-  } // Holes for RICH detector
-
-if ((nodeNum<8 || nodeNum>12) && nodeNum !=1 && nodeNum!=2 && nodeNum !=18)
-    { 
-      top->cd();
-      node = new TNode(nodeName4,nodeName4,"S_TOF_A",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),0.,rotMatNum);
-      node->SetLineColor(kColorTOF);
-      fNodes->Add(node); 
-     } // Holes for PHOS detector (+ Holes for RICH detector, central part)
-  } // end loop on nodeNum
-}
-
 //_____________________________________________________________________________
 void AliTOFv2::CreateGeometry()
 {
@@ -289,31 +133,31 @@ void AliTOFv2::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC,
   gMC->Gsvolu("FTOA", "BOX ", idtmed[506], par, 3);
 
 
-// Positioning of modules
-
-   Float_t zcor1 = ztof0 - zlenC*0.5;
-   Float_t zcor2 = ztof0 - zlenC - zlenB*0.5;
-   Float_t zcor3 = 0.;
-
-   AliMatrix(idrotm[0], 90.,  0., 0., 0., 90,-90.);
-   AliMatrix(idrotm[1], 90.,180., 0., 0., 90, 90.);
-   gMC->Gspos("FTOC", 1, "BTO1", 0,  zcor1, 0, idrotm[0], "ONLY");
-   gMC->Gspos("FTOC", 2, "BTO1", 0, -zcor1, 0, idrotm[1], "ONLY");
-   gMC->Gspos("FTOC", 1, "BTO2", 0,  zcor1, 0, idrotm[0], "ONLY");
-   gMC->Gspos("FTOC", 2, "BTO2", 0, -zcor1, 0, idrotm[1], "ONLY");
-   gMC->Gspos("FTOC", 1, "BTO3", 0,  zcor1, 0, idrotm[0], "ONLY");
-   gMC->Gspos("FTOC", 2, "BTO3", 0, -zcor1, 0, idrotm[1], "ONLY");
-
-   gMC->Gspos("FTOB", 1, "BTO1", 0,  zcor2, 0, idrotm[0], "ONLY");
-   gMC->Gspos("FTOB", 2, "BTO1", 0, -zcor2, 0, idrotm[1], "ONLY");
-   gMC->Gspos("FTOB", 1, "BTO2", 0,  zcor2, 0, idrotm[0], "ONLY");
-   gMC->Gspos("FTOB", 2, "BTO2", 0, -zcor2, 0, idrotm[1], "ONLY");
-
-   gMC->Gspos("FTOA", 0, "BTO1", 0, zcor3,  0, idrotm[0], "ONLY");
+  // Positioning of modules
 
+  Float_t zcor1 = ztof0 - zlenC*0.5;
+  Float_t zcor2 = ztof0 - zlenC - zlenB*0.5;
+  Float_t zcor3 = 0.;
+  
+  AliMatrix(idrotm[0], 90.,  0., 0., 0., 90,-90.);
+  AliMatrix(idrotm[1], 90.,180., 0., 0., 90, 90.);
+  gMC->Gspos("FTOC", 1, "BTO1", 0,  zcor1, 0, idrotm[0], "ONLY");
+  gMC->Gspos("FTOC", 2, "BTO1", 0, -zcor1, 0, idrotm[1], "ONLY");
+  gMC->Gspos("FTOC", 1, "BTO2", 0,  zcor1, 0, idrotm[0], "ONLY");
+  gMC->Gspos("FTOC", 2, "BTO2", 0, -zcor1, 0, idrotm[1], "ONLY");
+  gMC->Gspos("FTOC", 1, "BTO3", 0,  zcor1, 0, idrotm[0], "ONLY");
+  gMC->Gspos("FTOC", 2, "BTO3", 0, -zcor1, 0, idrotm[1], "ONLY");
+  
+  gMC->Gspos("FTOB", 1, "BTO1", 0,  zcor2, 0, idrotm[0], "ONLY");
+  gMC->Gspos("FTOB", 2, "BTO1", 0, -zcor2, 0, idrotm[1], "ONLY");
+  gMC->Gspos("FTOB", 1, "BTO2", 0,  zcor2, 0, idrotm[0], "ONLY");
+  gMC->Gspos("FTOB", 2, "BTO2", 0, -zcor2, 0, idrotm[1], "ONLY");
+  
+  gMC->Gspos("FTOA", 0, "BTO1", 0, zcor3,  0, idrotm[0], "ONLY");
+  
   Float_t db = 0.5;//cm
   Float_t xFLT, xFST, yFLT, zFLTA, zFLTB, zFLTC;
-
+  
   xFLT = fStripLn;
   yFLT = ytof;
   zFLTA = zlenA;
@@ -347,11 +191,14 @@ void AliTOFv2::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC,
   gMC->Gsvolu("FLTC", "BOX ", idtmed[512], par, 3); // Insensitive Freon
   gMC->Gspos ("FLTC", 0, "FTOC", 0., 0., 0., 0, "ONLY");
 
-////////// Layers of Aluminum before and after detector //////////
-////////// Aluminum Box for Modules (2.0 mm thickness)  /////////
-////////// lateral walls not simulated
+  ///// Layers of Aluminum before and after detector /////
+  ///// Aluminum Box for Modules (1.8 mm thickness)  /////
+  ///// lateral walls not simulated for the time being
+  //const Float_t khAlWall = 0.18;
+  // fp to be checked
+  const Float_t khAlWall = 0.11;
   par[0] = xFLT*0.5;
-  par[1] = 0.1;//cm
+  par[1] = khAlWall/2.;//cm
   ycoor = -yFLT/2 + par[1];
   par[2] = (zFLTA *0.5);
   gMC->Gsvolu("FALA", "BOX ", idtmed[508], par, 3); // Alluminium
@@ -366,29 +213,29 @@ void AliTOFv2::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC,
   gMC->Gspos ("FALC", 1, "FLTC", 0., ycoor, 0., 0, "ONLY");
   gMC->Gspos ("FALC", 2, "FLTC", 0.,-ycoor, 0., 0, "ONLY");
   
-///////////////// Detector itself //////////////////////
-
+  ///////////////// Detector itself //////////////////////
+  
   const Float_t  kdeadBound  =  fDeadBndZ; //cm non-sensitive between the pad edge 
-                                          //and the boundary of the strip
+  //and the boundary of the strip
   const Int_t    knx    = fNpadX;          // number of pads along x
   const Int_t    knz    = fNpadZ;          // number of pads along z
   const Float_t  kspace = fSpace;            //cm distance from the front plate of the box
-
+  
   Float_t zSenStrip  = fZpad*fNpadZ;//cm
   Float_t stripWidth = zSenStrip + 2*kdeadBound;
-
+  
   par[0] = xFLT*0.5;
   par[1] = yPad*0.5; 
   par[2] = stripWidth*0.5;
   
-// new description for strip volume
-// -- all constants are expressed in cm
-// heigth of different layers
-  const Float_t khhony = 1.      ;   // heigth of HONY  Layer
-  const Float_t khpcby = 0.15    ;   // heigth of PCB   Layer
+  // new description for strip volume -double stack strip-
+  // -- all constants are expressed in cm
+  // heigth of different layers
+  const Float_t khhony = 0.8     ;   // heigth of HONY  Layer
+  const Float_t khpcby = 0.08    ;   // heigth of PCB   Layer
   const Float_t khmyly = 0.035   ;   // heigth of MYLAR Layer
   const Float_t khgraphy = 0.02  ;   // heigth of GRAPHITE Layer
-  const Float_t khglasseiy = 0.32;   // 2.2 Ext. Glass + 1. Semi Int. Glass (mm)
+  const Float_t khglasseiy = 0.135;   // 0.6 Ext. Glass + 1.1 i.e. (Int. Glass/2) (mm)
   const Float_t khsensmy = 0.11  ;   // heigth of Sensitive Freon Mixture
   const Float_t kwsensmz = 2*3.5 ;   // cm
   const Float_t klsensmx = 48*2.5;   // cm
@@ -396,25 +243,27 @@ void AliTOFv2::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC,
   const Float_t klpadx = 2.5;   // cm x dimension of the FPAD volume
   
   // heigth of the FSTR Volume (the strip volume)
-  const Float_t khstripy = 2*(khhony+khpcby+khmyly+khgraphy+khglasseiy)+khsensmy;
+  const Float_t khstripy = 2*khhony+3*khpcby+4*(khmyly+khgraphy+khglasseiy)+2*khsensmy;
   // width  of the FSTR Volume (the strip volume)
   const Float_t kwstripz = 10.;
   // length of the FSTR Volume (the strip volume)
   const Float_t klstripx = 122.;
   
   Float_t parfp[3]={klstripx*0.5,khstripy*0.5,kwstripz*0.5};
-// coordinates of the strip center in the strip reference frame; used for positioning
-// internal strip volumes
+  // coordinates of the strip center in the strip reference frame; used for positioning
+  // internal strip volumes
   Float_t posfp[3]={0.,0.,0.};   
   
+  
   // FSTR volume definition and filling this volume with non sensitive Gas Mixture
   gMC->Gsvolu("FSTR","BOX",idtmed[512],parfp,3);
   //-- HONY Layer definition
-//  parfp[0] = -1;
+  //  parfp[0] = -1;
   parfp[1] = khhony*0.5;
-//  parfp[2] = -1;
+  //  parfp[2] = -1;
   gMC->Gsvolu("FHON","BOX",idtmed[503],parfp,3);
   // positioning 2 HONY Layers on FSTR volume
+  
   posfp[1]=-khstripy*0.5+parfp[1];
   gMC->Gspos("FHON",1,"FSTR",0., posfp[1],0.,0,"ONLY");
   gMC->Gspos("FHON",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
@@ -426,6 +275,10 @@ void AliTOFv2::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC,
   posfp[1]=-khstripy*0.5+khhony+parfp[1];
   gMC->Gspos("FPCB",1,"FSTR",0., posfp[1],0.,0,"ONLY");
   gMC->Gspos("FPCB",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
+  // positioning the central PCB layer
+  gMC->Gspos("FPCB",3,"FSTR",0.,0.,0.,0,"ONLY");
+  
+  
   
   //-- MYLAR Layer definition
   parfp[1] = khmyly*0.5;
@@ -434,7 +287,12 @@ void AliTOFv2::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC,
   posfp[1] = -khstripy*0.5+khhony+khpcby+parfp[1]; 
   gMC->Gspos("FMYL",1,"FSTR",0., posfp[1],0.,0,"ONLY");
   gMC->Gspos("FMYL",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
-
+  // adding further 2 MYLAR Layers on FSTR volume
+  posfp[1] = khpcby*0.5+parfp[1];
+  gMC->Gspos("FMYL",3,"FSTR",0., posfp[1],0.,0,"ONLY");
+  gMC->Gspos("FMYL",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
+  
+  
   //-- Graphite Layer definition
   parfp[1] = khgraphy*0.5;
   gMC->Gsvolu("FGRP","BOX",idtmed[502],parfp,3);
@@ -442,7 +300,12 @@ void AliTOFv2::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC,
   posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+parfp[1];
   gMC->Gspos("FGRP",1,"FSTR",0., posfp[1],0.,0,"ONLY");
   gMC->Gspos("FGRP",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
-
+  // adding further 2 Graphite Layers on FSTR volume
+  posfp[1] = khpcby*0.5+khmyly+parfp[1];
+  gMC->Gspos("FGRP",3,"FSTR",0., posfp[1],0.,0,"ONLY");
+  gMC->Gspos("FGRP",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
+  
+  
   //-- Glass (EXT. +Semi INT.) Layer definition
   parfp[1] = khglasseiy*0.5;
   gMC->Gsvolu("FGLA","BOX",idtmed[514],parfp,3);
@@ -450,15 +313,25 @@ void AliTOFv2::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC,
   posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+khgraphy+parfp[1];
   gMC->Gspos("FGLA",1,"FSTR",0., posfp[1],0.,0,"ONLY");
   gMC->Gspos("FGLA",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
+  // adding further 2 Glass Layers on FSTR volume
+  posfp[1] = khpcby*0.5+khmyly+khgraphy+parfp[1];
+  gMC->Gspos("FGLA",3,"FSTR",0., posfp[1],0.,0,"ONLY");
+  gMC->Gspos("FGLA",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
+  
   
   //-- Sensitive Mixture Layer definition
   parfp[0] = klsensmx*0.5;
   parfp[1] = khsensmy*0.5;
-  parfp[2] = kwsensmz*0.5;  
+  parfp[2] = kwsensmz*0.5;
   gMC->Gsvolu("FSEN","BOX",idtmed[513],parfp,3);
-  // positioning the sensitive gas Layer on FSTR volume
-  gMC->Gspos("FSEN",0,"FSTR",0.,0.,0.,0,"ONLY");
-
+  gMC->Gsvolu("FNSE","BOX",idtmed[512],parfp,3);
+  // positioning 2 gas Layers on FSTR volume
+  // the upper is insensitive freon
+  // while the remaining is sensitive
+  posfp[1] = khpcby*0.5+khmyly+khgraphy+khglasseiy+parfp[1];
+  gMC->Gspos("FNSE",0,"FSTR", 0., posfp[1],0.,0,"ONLY");
+  gMC->Gspos("FSEN",0,"FSTR", 0.,-posfp[1],0.,0,"ONLY");
+  
   // dividing FSEN along z in knz=2 and along x in knx=48
   gMC->Gsdvn("FSEZ","FSEN",knz,3);
   gMC->Gsdvn("FSEX","FSEZ",knx,1);
@@ -471,94 +344,100 @@ void AliTOFv2::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC,
   // positioning the FPAD volumes on previous divisions
   gMC->Gspos("FPAD",0,"FSEX",0.,0.,0.,0,"ONLY");
   
-////  Positioning the Strips  (FSTR) in the FLT volumes  /////
-
+  ////  Positioning the Strips  (FSTR) in the FLT volumes  /////
+  
   // Plate A (Central) 
   
   Float_t t = zFLTC+zFLTB+zFLTA*0.5+ 2*db;//Half Width of Barrel
-
-  Float_t gap  = fGapA; //cm  distance between the strip axis
+  
+  Float_t gap  = fGapA+0.5; //cm  updated distance between the strip axis
   Float_t zpos = 0;
   Float_t ang  = 0;
-  Int_t i=1,j=1;
+  Int_t j=1; // AdC
   nrot  = 0;
   zcoor = 0;
   ycoor = -14.5 + kspace ; //2 cm over front plate
-
+  
   AliMatrix (idrotm[0],  90.,  0.,90.,90.,0., 90.);   
-  gMC->Gspos("FSTR",j,"FLTA",0.,ycoor, 0.,idrotm[0],"ONLY");
 
+  Int_t centerLoc= (Int_t)(fNStripA/2.) + 1; // AdC
+
+  //gMC->Gspos("FSTR",j,"FLTA",0.,ycoor, 0.,idrotm[0],"ONLY");
+  
   if(fDebug) {
-     printf("%s: %f,  St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,i); 
-     printf("%s: y = %f,  z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
+    printf("%s: %f,  St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,j); // AdC
+    printf("%s: y = %f,  z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
   }
-
+  
   zcoor -= zSenStrip;
-  j++;
+  //j++; // AdC
   Int_t upDown = -1; // upDown=-1 -> Upper strip
                      // upDown=+1 -> Lower strip
   do{
-     ang = atan(zcoor/radius);
-     ang *= kRaddeg;
-     AliMatrix (idrotm[nrot],  90.,  0.,90.-ang,90.,-ang, 90.);   
-     AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
-     ang /= kRaddeg;
-     ycoor = -14.5+ kspace; //2 cm over front plate
-     ycoor += (1-(upDown+1)/2)*gap;
-     gMC->Gspos("FSTR",j  ,"FLTA",0.,ycoor, zcoor,idrotm[nrot],  "ONLY");
-     gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
-
-     if(fDebug) {
-       printf("%s: %f,  St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,i);
-       printf("%s: y = %f,  z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
-     }
-
-     j += 2;
-     upDown*= -1; // Alternate strips 
-     zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
-             upDown*gap*TMath::Tan(ang)-
-            (zSenStrip/2)/TMath::Cos(ang);
+    ang = atan(zcoor/radius);
+    ang *= kRaddeg;
+    AliMatrix (idrotm[nrot],  90.,  0.,90.-ang,90.,-ang, 90.);   
+    AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
+    ang /= kRaddeg;
+    ycoor = -14.5+ kspace; //2 cm over front plate
+    ycoor += (1-(upDown+1)/2)*gap;
+    //gMC->Gspos("FSTR",j  ,"FLTA",0.,ycoor, zcoor,idrotm[nrot],  "ONLY");
+    //gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
+    gMC->Gspos("FSTR",centerLoc-j,"FLTA",0.,ycoor, zcoor,idrotm[nrot],  "ONLY"); // AdC
+    gMC->Gspos("FSTR",centerLoc+j,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY"); // AdC
+    
+    if(fDebug>=1) {
+      printf("%s: %f,  St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,j); // AdC
+      printf("%s: y = %f,  z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
+    }
+    
+    j++; //j += 2; // AdC
+    upDown*= -1; // Alternate strips 
+    zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
+      upDown*gap*TMath::Tan(ang)-
+      (zSenStrip/2)/TMath::Cos(ang);
   } while (zcoor-(stripWidth/2)*TMath::Cos(ang)>-t+zFLTC+zFLTB+db*2);
   
   zcoor = zcoor+(zSenStrip/2)/TMath::Cos(ang)+
-          upDown*gap*TMath::Tan(ang)+
-          (zSenStrip/2)/TMath::Cos(ang);
-
+    upDown*gap*TMath::Tan(ang)+
+    (zSenStrip/2)/TMath::Cos(ang);
+  
   gap = fGapB;
   zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
-          upDown*gap*TMath::Tan(ang)-
-          (zSenStrip/2)/TMath::Cos(ang);
-
+    upDown*gap*TMath::Tan(ang)-
+    (zSenStrip/2)/TMath::Cos(ang);
+  
   ang = atan(zcoor/radius);
   ang *= kRaddeg;
   AliMatrix (idrotm[nrot],  90.,  0.,90.-ang,90.,-ang, 90.);   
   AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
   ang /= kRaddeg;
-         
+  
   ycoor = -14.5+ kspace; //2 cm over front plate
   ycoor += (1-(upDown+1)/2)*gap;
-  gMC->Gspos("FSTR",j  ,"FLTA",0.,ycoor, zcoor,idrotm[nrot],  "ONLY");
-  gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
-
-  if(fDebug) {   
-     printf("%s: %f,  St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,i);  
-     printf("%s: y = %f,  z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);  
+  //gMC->Gspos("FSTR",j  ,"FLTA",0.,ycoor, zcoor,idrotm[nrot],  "ONLY");
+  //gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
+  gMC->Gspos("FSTR",centerLoc-j,"FLTA",0.,ycoor, zcoor,idrotm[nrot],  "ONLY"); // AdC
+  gMC->Gspos("FSTR",centerLoc+j,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY"); // AdC  
+  if(fDebug>=1) {   
+    printf("%s: %f,  St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,j); // AdC
+    printf("%s: y = %f,  z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);  
   }   
-
+  
   ycoor = -hTof/2.+ kspace;//2 cm over front plate
-
+  
   // Plate  B
-
+  
   nrot = 0;
-  i=1;
+  Int_t i=1; // AdC
   upDown = 1;
   Float_t deadRegion = 1.0;//cm
   
   zpos = zcoor - (zSenStrip/2)/TMath::Cos(ang)-
-         upDown*gap*TMath::Tan(ang)-
-        (zSenStrip/2)/TMath::Cos(ang)-
-        deadRegion/TMath::Cos(ang);
-
+    upDown*gap*TMath::Tan(ang)-
+    (zSenStrip/2)/TMath::Cos(ang)-
+    deadRegion/TMath::Cos(ang);
+  
   ang = atan(zpos/radius);
   ang *= kRaddeg;
   AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
@@ -567,139 +446,132 @@ void AliTOFv2::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC,
   ycoor += (1-(upDown+1)/2)*gap;
   zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
   gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
-
-  if(fDebug) {   
-     printf("%s: %f,  St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
-     printf("%s: y = %f,  z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
+  
+  if(fDebug>=1) {   
+    printf("%s: %f,  St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
+    printf("%s: y = %f,  z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
   }   
-
+  
   i++;
   upDown*=-1;
-
+  
   do {
-     zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)-
-            upDown*gap*TMath::Tan(ang)-
-           (zSenStrip/2)/TMath::Cos(ang);
-     ang = atan(zpos/radius);
-     ang *= kRaddeg;
-     AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
-     ang /= kRaddeg;
-     ycoor = -hTof*0.5+ kspace ; //2 cm over front plate
-     ycoor += (1-(upDown+1)/2)*gap;
-     zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
-     gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
-
-     if(fDebug) {
-       printf("%s: %f,  St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
-       printf("%s: y = %f,  z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
-     }
-
-     upDown*=-1;
-     i++;
+    zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)-
+      upDown*gap*TMath::Tan(ang)-
+      (zSenStrip/2)/TMath::Cos(ang);
+    ang = atan(zpos/radius);
+    ang *= kRaddeg;
+    AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
+    ang /= kRaddeg;
+    Float_t deltaSpaceinB=-0.5; // [cm] to avoid overlaps with the end of freon frame
+    Float_t deltaGapinB=0.5;    // [cm] to avoid overlaps in between initial strips
+    ycoor = -hTof*0.5+ kspace+deltaSpaceinB ; //2 cm over front plate
+    ycoor += (1-(upDown+1)/2)*(gap+deltaGapinB);
+    zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
+    gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
+    
+    if(fDebug>=1) {
+      printf("%s: %f,  St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
+      printf("%s: y = %f,  z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
+    }
+    
+    upDown*=-1;
+    i++;
   } while (TMath::Abs(ang*kRaddeg)<22.5);
   //till we reach a tilting angle of 22.5 degrees
-
+  
   ycoor = -hTof*0.5+ kspace ; //2 cm over front plate
   zpos = zpos - zSenStrip/TMath::Cos(ang);
-
+  // this avoid overlaps in between outer strips in plate B
+  Float_t deltaMovingUp=0.8;    // [cm]
+  Float_t deltaMovingDown=-0.5; // [cm]
+  
   do {
-     ang = atan(zpos/radius);
-     ang *= kRaddeg;
-     AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
-     ang /= kRaddeg;
-     zcoor = zpos+(zFLTB/2+zFLTA/2+db);
-     gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
-     zpos = zpos - zSenStrip/TMath::Cos(ang);
-     if(fDebug) {
-       printf("%s: %f,  St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
-       printf("%s: y = %f,  z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
-     }
-     i++;
-
+    ang = atan(zpos/radius);
+    ang *= kRaddeg;
+    AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
+    ang /= kRaddeg;
+    zcoor = zpos+(zFLTB/2+zFLTA/2+db);
+    gMC->Gspos("FSTR",i, "FLTB", 0., ycoor+deltaMovingDown+deltaMovingUp, zcoor,idrotm[nrot], "ONLY");
+    deltaMovingUp+=0.8; // update delta moving toward the end of the plate
+    zpos = zpos - zSenStrip/TMath::Cos(ang);
+    if(fDebug>=1) {
+      printf("%s: %f,  St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
+      printf("%s: y = %f,  z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
+    }
+    i++;
+    
   }  while (zpos-stripWidth*0.5/TMath::Cos(ang)>-t+zFLTC+db);
-
+  
   // Plate  C
   
   zpos = zpos + zSenStrip/TMath::Cos(ang);
-
+  
   zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)+
-         gap*TMath::Tan(ang)-
-        (zSenStrip/2)/TMath::Cos(ang);
-
+    gap*TMath::Tan(ang)-
+    (zSenStrip/2)/TMath::Cos(ang);
+  
   nrot = 0;
   i=0;
-  ycoor= -hTof*0.5+kspace+gap;
-
+  Float_t deltaGap=-2.5; // [cm] update distance from strip center and plate
+  ycoor= -hTof*0.5+kspace+gap+deltaGap;
+  
   do {
-     i++;
-     ang = atan(zpos/radius);
-     ang *= kRaddeg;
-     AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
-     ang /= kRaddeg;
-     zcoor = zpos+(zFLTC*0.5+zFLTB+zFLTA*0.5+db*2);
-     gMC->Gspos("FSTR",i, "FLTC", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
-
-     if(fDebug) {
-       printf("%s: %f,  St. %2i, Pl.5 ",ClassName(),ang*kRaddeg,i);
-       printf("%s: y = %f,  z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
-     }
-
-     zpos = zpos - zSenStrip/TMath::Cos(ang);
+    i++;
+    ang = atan(zpos/radius);
+    ang *= kRaddeg;
+    AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
+    ang /= kRaddeg;
+    zcoor = zpos+(zFLTC*0.5+zFLTB+zFLTA*0.5+db*2);
+    gMC->Gspos("FSTR",i, "FLTC", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
+    
+    if(fDebug>=1) {
+      printf("%s: %f,  St. %2i, Pl.5 ",ClassName(),ang*kRaddeg,i);
+      printf("%s: y = %f,  z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
+    }
+    
+    zpos = zpos - zSenStrip/TMath::Cos(ang);
   }  while (zpos-stripWidth*TMath::Cos(ang)*0.5>-t);
-
-
-////////// Layers after strips /////////////////
-// honeycomb (Polyethilene) Layer after (1.2cm)
-
+  
+  
+  ////////// Layers after strips /////////////////
+  // Al Layer thickness (2.3mm) factor 0.7
+  
   Float_t overSpace = fOverSpc;//cm
-
+  
   par[0] = xFLT*0.5;
-  par[1] = 0.6;
+  par[1] = 0.115*0.7; // factor 0.7
   par[2] = (zFLTA *0.5);
   ycoor = -yFLT/2 + overSpace + par[1];
-  gMC->Gsvolu("FPEA", "BOX ", idtmed[503], par, 3); // Hony
+  gMC->Gsvolu("FPEA", "BOX ", idtmed[508], par, 3); // Al
   gMC->Gspos ("FPEA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
   par[2] = (zFLTB *0.5);
-  gMC->Gsvolu("FPEB", "BOX ", idtmed[503], par, 3); // Hony
+  gMC->Gsvolu("FPEB", "BOX ", idtmed[508], par, 3); // Al
   gMC->Gspos ("FPEB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
   par[2] = (zFLTC *0.5);
-  gMC->Gsvolu("FPEC", "BOX ", idtmed[503], par, 3); // Hony
+  gMC->Gsvolu("FPEC", "BOX ", idtmed[508], par, 3); // Al
   gMC->Gspos ("FPEC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
 
-// Electronics (Cu) after
+
+  // plexiglass thickness: 1.5 mm ; factor 0.3
   ycoor += par[1];
   par[0] = xFLT*0.5;
-  par[1] = 1.43*0.05*0.5; // 5% of X0
+  par[1] = 0.075*0.3; // factor 0.3 
   par[2] = (zFLTA *0.5);
   ycoor += par[1];
-  gMC->Gsvolu("FECA", "BOX ", idtmed[501], par, 3); // Cu
+  gMC->Gsvolu("FECA", "BOX ", idtmed[505], par, 3); // Plexigl.
   gMC->Gspos ("FECA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
   par[2] = (zFLTB *0.5);
-  gMC->Gsvolu("FECB", "BOX ", idtmed[501], par, 3); // Cu
+  gMC->Gsvolu("FECB", "BOX ", idtmed[505], par, 3); // Plexigl.
   gMC->Gspos ("FECB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
   par[2] = (zFLTC *0.5);
-  gMC->Gsvolu("FECC", "BOX ", idtmed[501], par, 3); // Cu
+  gMC->Gsvolu("FECC", "BOX ", idtmed[505], par, 3); // Plexigl.
   gMC->Gspos ("FECC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
-
-// cooling WAter after
-  ycoor += par[1];
-  par[0] = xFLT*0.5;
-  par[1] = 36.1*0.02*0.5; // 2% of X0
-  par[2] = (zFLTA *0.5);
-  ycoor += par[1];
-  gMC->Gsvolu("FWAA", "BOX ", idtmed[515], par, 3); // Water
-  gMC->Gspos ("FWAA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
-  par[2] = (zFLTB *0.5);
-  gMC->Gsvolu("FWAB", "BOX ", idtmed[515], par, 3); // Water
-  gMC->Gspos ("FWAB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
-  par[2] = (zFLTC *0.5);
-  gMC->Gsvolu("FWAC", "BOX ", idtmed[515], par, 3); // Water
-  gMC->Gspos ("FWAC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
-
-// frame of Air
+  
+  // frame of Air
   ycoor += par[1];
   par[0] = xFLT*0.5;
-  par[1] = (yFLT/2-ycoor-0.2)*0.5; // Aluminum layer considered (0.2 cm)
+  par[1] = (yFLT/2-ycoor-khAlWall)*0.5; // Aluminum layer considered (0.18 cm)
   par[2] = (zFLTA *0.5);
   ycoor += par[1];
   gMC->Gsvolu("FAIA", "BOX ", idtmed[500], par, 3); // Air
@@ -710,26 +582,117 @@ void AliTOFv2::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC,
   par[2] = (zFLTC *0.5);
   gMC->Gsvolu("FAIC", "BOX ", idtmed[500], par, 3); // Air
   gMC->Gspos ("FAIC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
-/* fp
-//Back Plate honycomb (2cm)
-  par[0] = -1;
-  par[1] = 2 *0.5;
-  par[2] = -1;
-  ycoor = yFLT/2 - par[1];
-  gMC->Gsvolu("FBPA", "BOX ", idtmed[503], par, 3); // Hony
-  gMC->Gspos ("FBPA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
-  gMC->Gsvolu("FBPB", "BOX ", idtmed[503], par, 3); // Hony
-  gMC->Gspos ("FBPB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
-  gMC->Gsvolu("FBPC", "BOX ", idtmed[503], par, 3); // Hony
-  gMC->Gspos ("FBPC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
-fp */
+
+  
+  // start with cards and cooling tubes
+  // finally, cards, cooling tubes and layer for thermal dispersion
+  // 3 volumes
+  // card volume definition
+  
+  // see GEOM200 in GEANT manual
+  AliMatrix(idrotm[98], 90., 0., 90., 90., 0., 0.); // 0 deg
+  
+  Float_t cardpar[3];
+  cardpar[0]= 61.;
+  cardpar[1]= 5.;
+  cardpar[2]= 0.1;
+  gMC->Gsvolu("FCAR", "BOX ", idtmed[504], cardpar, 3); // PCB Card 
+  //alu plate volume definition
+  cardpar[1]= 3.5;
+  cardpar[2]= 0.05;
+  gMC->Gsvolu("FALP", "BOX ", idtmed[508], cardpar, 3); // Alu Plate
+  
+  
+  // central module positioning (FAIA)
+  Float_t cardpos[3], aplpos2, stepforcardA=6.625;
+  cardpos[0]= 0.;
+  cardpos[1]= -0.5;
+  cardpos[2]= -53.;
+  Float_t aplpos1 = -2.;
+  Int_t icard;
+  for (icard=0; icard<15; ++icard) {
+    cardpos[2]= cardpos[2]+stepforcardA;
+    aplpos2 = cardpos[2]+0.15;
+    gMC->Gspos("FCAR",icard,"FAIA",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY"); 
+    gMC->Gspos("FALP",icard,"FAIA",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
+    
+  }
+  
+  
+  // intermediate module positioning (FAIB)
+  Float_t stepforcardB= 7.05;
+  cardpos[2]= -70.5;
+  for (icard=0; icard<19; ++icard) {
+    cardpos[2]= cardpos[2]+stepforcardB;
+    aplpos2 = cardpos[2]+0.15;  
+    gMC->Gspos("FCAR",icard,"FAIB",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY"); 
+    gMC->Gspos("FALP",icard,"FAIB",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY"); 
+  }
+  
+  
+  // outer module positioning (FAIC)
+  Float_t stepforcardC= 8.45238;
+  cardpos[2]= -88.75;
+  for (icard=0; icard<20; ++icard) {
+    cardpos[2]= cardpos[2]+stepforcardC;
+    aplpos2 = cardpos[2]+0.15;
+    gMC->Gspos("FCAR",icard,"FAIC",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY"); 
+    gMC->Gspos("FALP",icard,"FAIC",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
+  }
+  
+  // tube volume definition
+  Float_t tubepar[3];
+  tubepar[0]= 0.;
+  tubepar[1]= 0.4;
+  tubepar[2]= 61.;
+  gMC->Gsvolu("FTUB", "TUBE", idtmed[516], tubepar, 3); // cooling tubes (steel)
+  tubepar[0]= 0.;
+  tubepar[1]= 0.35;
+  tubepar[2]= 61.;
+  gMC->Gsvolu("FITU", "TUBE", idtmed[515], tubepar, 3); // cooling water
+  // positioning water tube into the steel one
+  gMC->Gspos("FITU",1,"FTUB",0.,0.,0.,0,"ONLY");
+  
+  
+  // rotation matrix
+  AliMatrix(idrotm[99], 180., 90., 90., 90., 90., 0.);
+  // central module positioning (FAIA)
+  Float_t tubepos[3], tdis=0.6;
+  tubepos[0]= 0.;
+  tubepos[1]= cardpos[1];
+  tubepos[2]= -53.+tdis;
+  //  tub1pos = 5.;
+  Int_t itub;
+  for (itub=0; itub<15; ++itub) {
+    tubepos[2]= tubepos[2]+stepforcardA;
+    gMC->Gspos("FTUB",itub,"FAIA",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
+              "ONLY");
+  }
+  
+  
+  // intermediate module positioning (FAIB)
+  tubepos[2]= -70.5+tdis;
+  for (itub=0; itub<19; ++itub) {
+    tubepos[2]= tubepos[2]+stepforcardB;
+    gMC->Gspos("FTUB",itub,"FAIB",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
+              "ONLY");
+  }
+  
+  // outer module positioning (FAIC)
+  tubepos[2]= -88.75+tdis;
+  for (itub=0; itub<20; ++itub) {
+    tubepos[2]= tubepos[2]+stepforcardC;
+    gMC->Gspos("FTUB",itub,"FAIC",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
+              "ONLY");
+  }
+  
 }
 
 //_____________________________________________________________________________
 void AliTOFv2::DrawModule() const
 {
   //
-  // Draw a shaded view of the Time Of Flight version 1
+  // Draw a shaded view of the Time Of Flight version 2
   //
   // Set everything unseen
   gMC->Gsatt("*", "seen", -1);
@@ -773,6 +736,191 @@ void AliTOFv2::DrawModule() const
   gMC->Gdman(18, 4, "MAN");
   gMC->Gdopt("hide","off");
 }
+//_____________________________________________________________________________
+void AliTOFv2::DrawDetectorModules()
+{
+//
+// Draw a shaded view of the TOF detector version 2
+//
+//Set ALIC mother transparent
+ gMC->Gsatt("ALIC","SEEN",0);
+
+//
+//Set volumes visible
+// 
+//=====> Level 1
+  // Level 1 for TOF volumes
+  gMC->Gsatt("B077","seen",0);
+//==========> Level 2
+  // Level 2
+  gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
+  gMC->Gsatt("B071","seen",0);
+  gMC->Gsatt("B074","seen",0);
+  gMC->Gsatt("B075","seen",0);
+  gMC->Gsatt("B080","seen",0); // B080 does not has sub-level                
+
+
+  // Level 2 of B071
+  gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped   -
+  gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped   -
+  gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped   -
+  gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped   -
+  gMC->Gsatt("B056","seen",0);  // B056 does not has sub-levels  -
+  gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped   -
+  gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped   -
+  gMC->Gsatt("BTR1","seen",0);  // BTR1 do not have sub-levels   -
+  gMC->Gsatt("BTO1","seen",0);
+
+  // Level 2 of B074
+  gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
+  gMC->Gsatt("BTO2","seen",0);
+
+  // Level 2 of B075
+  gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
+  gMC->Gsatt("BTO3","seen",0);
+
+// ==================> Level 3
+  // Level 3 of B071 / Level 2 of BTO1
+  gMC->Gsatt("FTOC","seen",-2);
+  gMC->Gsatt("FTOB","seen",-2);
+  gMC->Gsatt("FTOA","seen",-2);
+  // Level 3 of B074 / Level 2 of BTO2
+  // -> cfr previous settings
+  // Level 3 of B075 / Level 2 of BTO3
+  // -> cfr previous settings
+
+  gMC->Gdopt("hide","on");
+  gMC->Gdopt("shad","on");
+  gMC->Gsatt("*", "fill", 5);
+  gMC->SetClipBox(".");
+  gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
+  gMC->DefaultRange();
+  gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
+  gMC->Gdhead(1111,"TOF detector V1");
+  gMC->Gdman(18, 4, "MAN");
+  gMC->Gdopt("hide","off");
+}                                 
+
+//_____________________________________________________________________________
+void AliTOFv2::DrawDetectorStrips()
+{
+//
+// Draw a shaded view of the TOF strips for version 2
+//
+//Set ALIC mother transparent
+ gMC->Gsatt("ALIC","SEEN",0);
+
+//
+//Set volumes visible 
+//=====> Level 1
+  // Level 1 for TOF volumes
+  gMC->Gsatt("B077","seen",0);
+  
+//==========> Level 2
+  // Level 2
+  gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
+  gMC->Gsatt("B071","seen",0);
+  gMC->Gsatt("B074","seen",0);
+  gMC->Gsatt("B075","seen",0);
+  gMC->Gsatt("B080","seen",0); // B080 does not has sub-level
+
+  // Level 2 of B071
+  gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped   -
+  gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped   -
+  gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped   -
+  gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped   -
+  gMC->Gsatt("B056","seen",0);  // B056 does not has sub-levels  -
+  gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped   -
+  gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped   -
+  gMC->Gsatt("BTR1","seen",0);  // BTR1 do not have sub-levels   -
+  gMC->Gsatt("BTO1","seen",0);
+
+// ==================> Level 3
+  // Level 3 of B071 / Level 2 of BTO1
+  gMC->Gsatt("FTOC","seen",0);
+  gMC->Gsatt("FTOB","seen",0);
+  gMC->Gsatt("FTOA","seen",0);
+  // Level 3 of B074 / Level 2 of BTO2
+  // -> cfr previous settings
+  // Level 3 of B075 / Level 2 of BTO3
+  // -> cfr previous settings
+
+
+// ==========================> Level 4
+  // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOC
+  gMC->Gsatt("FLTC","seen",0);
+  // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOB
+  gMC->Gsatt("FLTB","seen",0);
+  // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOA
+  gMC->Gsatt("FLTA","seen",0);
+  // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOC
+  // -> cfr previous settings
+  // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOB
+  // -> cfr previous settings
+  // Level 4 of B075 / Level 3 of BTO3 / Level 2 of FTOC
+  // -> cfr previous settings
+
+//======================================> Level 5
+  // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOC / Level 2 of FLTC
+  gMC->Gsatt("FALC","seen",0); // no children for FALC
+  gMC->Gsatt("FSTR","seen",-2);
+  gMC->Gsatt("FPEC","seen",0); // no children for FPEC
+  gMC->Gsatt("FECC","seen",0); // no children for FECC
+  gMC->Gsatt("FWAC","seen",0); // no children for FWAC
+  gMC->Gsatt("FAIC","seen",0); // no children for FAIC
+
+  // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOB / Level 2 of FLTB
+  gMC->Gsatt("FALB","seen",0); // no children for FALB
+//-->  gMC->Gsatt("FSTR","seen",-2);
+
+
+  // -> cfr previous settings
+  gMC->Gsatt("FPEB","seen",0); // no children for FPEB
+  gMC->Gsatt("FECB","seen",0); // no children for FECB
+  gMC->Gsatt("FWAB","seen",0); // no children for FWAB
+  gMC->Gsatt("FAIB","seen",0); // no children for FAIB
+  // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOA / Level 2 of FLTA
+  gMC->Gsatt("FALA","seen",0); // no children for FALB
+//-->  gMC->Gsatt("FSTR","seen",-2);
+  // -> cfr previous settings
+  gMC->Gsatt("FPEA","seen",0); // no children for FPEA
+  gMC->Gsatt("FECA","seen",0); // no children for FECA
+  gMC->Gsatt("FWAA","seen",0); // no children for FWAA
+  gMC->Gsatt("FAIA","seen",0); // no children for FAIA
+
+  // Level 2 of B074
+  gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
+  gMC->Gsatt("BTO2","seen",0);
+
+  // Level 2 of B075
+  gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
+  gMC->Gsatt("BTO3","seen",0);
+
+// for others Level 5, cfr. previous settings
+
+  gMC->Gdopt("hide","on");
+  gMC->Gdopt("shad","on");
+  gMC->Gsatt("*", "fill", 5);
+  gMC->SetClipBox(".");
+  gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
+  gMC->DefaultRange();
+  gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
+  gMC->Gdhead(1111,"TOF Strips V1");
+  gMC->Gdman(18, 4, "MAN");
+  gMC->Gdopt("hide","off");
+}
 
 //_____________________________________________________________________________
 void AliTOFv2::CreateMaterials()
@@ -794,7 +942,7 @@ void AliTOFv2::Init()
            "  TOF  "
            "**************************************\n",ClassName());
     printf("\n%s:   Version 2 of TOF initialing, "
-           "TOF with holes for PHOS and RICH \n",ClassName());
+           "TOF with holes for PHOS and HMPID \n",ClassName());
   }  
 
   AliTOF::Init();
@@ -828,7 +976,7 @@ void AliTOFv2::StepManager()
   Int_t   *idtmed = fIdtmed->GetArray()-499;
   Float_t incidenceAngle;
   
-  if(gMC->GetMedium()==idtmed[513] && 
+  if(gMC->CurrentMedium()==idtmed[513] && 
      gMC->IsTrackEntering() && gMC->TrackCharge()
      && gMC->CurrentVolID(copy)==fIdSens) 
   {    
@@ -861,23 +1009,36 @@ void AliTOFv2::StepManager()
     gMC->Gmtod(xm,xpad,1);
     gMC->Gmtod(pm,ppad,2);
 
+    if (ppad[1] > 1.) ppad[1]=1;
+    if (ppad[1] < -1.) ppad[1]=-1;
     incidenceAngle = TMath::ACos(ppad[1])*kRaddeg;
 
     z = pos[2];
 
-    plate = 0;   
-    if (TMath::Abs(z) <=  fZlenA*0.5)  plate = 3;
+    plate = 0;
+    if (TMath::Abs(z) <=  fZlenA*0.5)  plate = 2; //3; // AdC
     if (z < (fZlenA*0.5+fZlenB) && 
-        z >  fZlenA*0.5)               plate = 4;
+        z >  fZlenA*0.5)               plate = 1; //4; // AdC
     if (z >-(fZlenA*0.5+fZlenB) &&
-        z < -fZlenA*0.5)               plate = 2;
-    if (z > (fZlenA*0.5+fZlenB))       plate = 5;
-    if (z <-(fZlenA*0.5+fZlenB))       plate = 1;
+        z < -fZlenA*0.5)               plate = 3; //2; // AdC
+    if (z > (fZlenA*0.5+fZlenB))       plate = 0; //5;
+    if (z <-(fZlenA*0.5+fZlenB))       plate = 4; //1; // AdC
+
+    if (plate==0) strip=AliTOFConstants::fgkNStripC-strip; // AdC
+    else if (plate==1) strip=AliTOFConstants::fgkNStripB-strip; // AdC
+    else strip--; // AdC
+
+    if (z<=0.) padx=AliTOFConstants::fgkNpadX-padx; // AdC
+    else padx--; // AdC
+
+    if (plate==3 || plate==4) padz=AliTOFConstants::fgkNpadZ-padz; // AdC
+    else padz--; // AdC
 
     phi = pos.Phi();
-    phid = phi*kRaddeg+180.;
+    if (phi>=0.) phid = phi*kRaddeg; //+180.; // AdC
+    else phid = phi*kRaddeg + 360.; //+180.; // AdC
     sector = Int_t (phid/20.);
-    sector++;
+    //sector++; // AdC
 
     for(i=0;i<3;++i) {
       hits[i]   = pos[i];
@@ -898,6 +1059,6 @@ void AliTOFv2::StepManager()
     vol[3]= padx;
     vol[4]= padz;
     
-    AddHit(gAlice->CurrentTrack(),vol, hits);
+    AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(),vol, hits);
   }
 }