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[u/mrichter/AliRoot.git] / TOF / AliTOFv4T0.cxx
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  * provided "as is" without express or implied warranty.                  *
  **************************************************************************/
 
+/* $Id$ */
 
 ///////////////////////////////////////////////////////////////////////////////
 //                                                                           //
-//  Time Of Flight: design of C.Williams
-//
 //  This class contains the functions for version 4 of the Time Of Flight    //
 //  detector.                                                                //
-//
-//  VERSION WITH 5 MODULES AND TILTED STRIPS
-//                                                                             
-//   FULL COVERAGE VERSION
-//
-//   Author:
-//   Fabrizio Pierella
-//   University of Bologna - Italy
-//
-//   
-//Begin_Html                                                                   
-/*
-<img src="picts/AliTOFv4T0Class.gif">
-*/
-//End_Html
+//                                                                           //
+//  VERSION WITH 5 MODULES AND TILTED STRIPS                                 //
+//                                                                           //
+//   FULL COVERAGE VERSION +OPTION for PHOS holes                            //
+//                                                                           //
+//   Author:                                                                 //
+//   Fabrizio Pierella                                                       //
+//   University of Bologna - Italy                                           //
+//                                                                           //
+//                                                                           //
+//Begin_Html                                                                 //
+/*                                                                           //
+<img src="picts/AliTOFv4T0Class.gif">                                        //
+*/                                                                           //
+//End_Html                                                                   //
 //                                                                           //
 ///////////////////////////////////////////////////////////////////////////////
 
-#include <iostream.h>
+#include <Riostream.h>
 #include <stdlib.h>
+#include "TVirtualMC.h"
 
-#include "AliTOFv4T0.h"
-#include "TBRIK.h"
-#include "TGeometry.h"
-#include "TNode.h"
+#include <TBRIK.h>
+#include <TGeometry.h>
 #include <TLorentzVector.h>
-#include "TObject.h"
+#include <TNode.h>
+#include <TObject.h>
+#include <TVirtualMC.h>
+
+#include "AliConst.h"
 #include "AliRun.h"
+#include "AliTOFv4T0.h"
 #include "AliMC.h"
-#include "AliConst.h"
-
  
 ClassImp(AliTOFv4T0)
  
@@ -72,20 +73,29 @@ AliTOFv4T0::AliTOFv4T0(const char *name, const char *title)
   //
   // Check that FRAME is there otherwise we have no place where to
   // put TOF
+
+
   AliModule* frame=gAlice->GetModule("FRAME");
   if(!frame) {
     Error("Ctor","TOF needs FRAME to be present\n");
     exit(1);
-  } else
-    if(frame->IsVersion()!=1) {
-      Error("Ctor","FRAME version 1 needed with this version of TOF\n");
-      exit(1);
-    }
-}
+  } else{
+    
+    if (fTOFGeometry) delete fTOFGeometry;
+    fTOFGeometry = new AliTOFGeometry();
+
+    if(frame->IsVersion()==1) {
+      cout << " Frame version " << frame->IsVersion() << endl; 
+      cout << " Full Coverage for TOF" << endl;
+      fTOFHoles=false;}    
+    else {
+      cout << " Frame version " << frame->IsVersion() << endl; 
+      cout << " TOF with Holes for PHOS " << endl;
+      fTOFHoles=true;}      
+  }
+} 
 
 //____________________________________________________________________________
-
 void AliTOFv4T0::BuildGeometry()
 {
   //
@@ -93,10 +103,10 @@ void AliTOFv4T0::BuildGeometry()
   //
   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;
@@ -104,65 +114,69 @@ void AliTOFv4T0::BuildGeometry()
   const Float_t kPi   = TMath::Pi();
   const Float_t kangle = 2*kPi/kNTof;
   Float_t ang;
-
+  
+  // define offset for nodes
+  Float_t zOffsetC = fZtof - fZlenC*0.5;
+  Float_t zOffsetB = fZtof - fZlenC - fZlenB*0.5;
+  Float_t zOffsetA = 0.;
   // Define TOF basic volume
   
-  char nodeName0[7], nodeName1[7], nodeName2[7]; 
+  char nodeName0[7], nodeName1[7], nodeName2[7];
   char nodeName3[7], nodeName4[7], rotMatNum[7];
-
+  
   new TBRIK("S_TOF_C","TOF box","void",
-            120*0.5,khTof*0.5,fZlenC*0.5);
+            fStripLn*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);
+            fStripLn*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);
-
+            fStripLn*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); 
-
-      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); 
-
-      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); 
+    
+    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),zOffsetC,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),-zOffsetC,rotMatNum);
+    node->SetLineColor(kColorTOF);
+    fNodes->Add(node);
+    
+    top->cd();
+    node = new TNode(nodeName2,nodeName2,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),zOffsetB,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),-zOffsetB,rotMatNum);
+    node->SetLineColor(kColorTOF);
+    fNodes->Add(node);
+    
+    top->cd();
+    node = new TNode(nodeName4,nodeName4,"S_TOF_A",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),zOffsetA,rotMatNum);
+    node->SetLineColor(kColorTOF);
+    fNodes->Add(node);
   } // end loop on nodeNum
 }
 
@@ -185,6 +199,7 @@ void AliTOFv4T0::CreateGeometry()
   AliTOF::CreateGeometry();
 }
  
+
 //_____________________________________________________________________________
 void AliTOFv4T0::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC,
                     Float_t zlenB, Float_t zlenA, Float_t ztof0)
@@ -193,15 +208,15 @@ void AliTOFv4T0::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC,
   // Definition of the Time Of Fligh Resistive Plate Chambers
   // xFLT, yFLT, zFLT - sizes of TOF modules (large)
   
-  Float_t  ycoor, zcoor;
+  Float_t  ycoor;
   Float_t  par[3];
   Int_t    *idtmed = fIdtmed->GetArray()-499;
   Int_t    idrotm[100];
   Int_t    nrot = 0;
-  Float_t  hTof = fRmax-fRmin;
-  
+
   Float_t radius = fRmin+2.;//cm
 
+  
   par[0] =  xtof * 0.5;
   par[1] =  ytof * 0.5;
   par[2] = zlenC * 0.5;
@@ -210,73 +225,78 @@ void AliTOFv4T0::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC,
   gMC->Gsvolu("FTOB", "BOX ", idtmed[506], par, 3);
   par[2] = zlenA * 0.5;
   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("FTOB", 1, "BTO3", 0,  zcor2, 0, idrotm[0], "ONLY");
-   gMC->Gspos("FTOB", 2, "BTO3", 0, -zcor2, 0, idrotm[1], "ONLY");
-
-   gMC->Gspos("FTOA", 0, "BTO1", 0, zcor3,  0, idrotm[0], "ONLY");
-   gMC->Gspos("FTOA", 0, "BTO2", 0, zcor3,  0, idrotm[0], "ONLY");
-   gMC->Gspos("FTOA", 0, "BTO3", 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("FTOB", 1, "BTO3", 0,  zcor2, 0, idrotm[0], "ONLY");
+  gMC->Gspos("FTOB", 2, "BTO3", 0, -zcor2, 0, idrotm[1], "ONLY");
+  
+  gMC->Gspos("FTOA", 0, "BTO1", 0, zcor3,  0, idrotm[0], "ONLY");
+  if(!fTOFHoles)gMC->Gspos("FTOA", 0, "BTO2", 0, zcor3,  0, idrotm[0], "ONLY");
+  gMC->Gspos("FTOA", 0, "BTO3", 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;
   zFLTB = zlenB;
   zFLTC = zlenC;
-
+  
   xFST = xFLT-fDeadBndX*2;//cm
-
-// Sizes of MRPC pads
-
+  
+  // Sizes of MRPC pads
+  
   Float_t yPad = 0.505;//cm 
   
-// Large not sensitive volumes with Insensitive Freon
+  // Large not sensitive volumes with Insensitive Freon
   par[0] = xFLT*0.5;
   par[1] = yFLT*0.5;
   
   if (fDebug) cout << ClassName() <<
-    ": ************************* TOF geometry **************************"<<endl;
+               ": ************************* TOF geometry **************************"<<endl;
+  
   par[2] = (zFLTA *0.5);
   gMC->Gsvolu("FLTA", "BOX ", idtmed[512], par, 3); // Insensitive Freon
   gMC->Gspos ("FLTA", 0, "FTOA", 0., 0., 0., 0, "ONLY");
-
+  
   par[2] = (zFLTB * 0.5);
   gMC->Gsvolu("FLTB", "BOX ", idtmed[512], par, 3); // Insensitive Freon
   gMC->Gspos ("FLTB", 0, "FTOB", 0., 0., 0., 0, "ONLY");
-
+  
   par[2] = (zFLTC * 0.5);
   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
@@ -291,29 +311,28 @@ void AliTOFv4T0::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[1] = yPad*0.5;
   par[2] = stripWidth*0.5;
   
-// new description for strip volume -double stack strip-
-// -- 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 = 0.17;   // 0.6 Ext. Glass + 1.1 i.e. (Int. Glass/2) (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
@@ -328,25 +347,26 @@ void AliTOFv4T0::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC,
   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
-  Float_t posfp[3]={0.,0.,0.};   
-
+  // 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
+  
+  // FSTR volume definition-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");
-
+  
   //-- PCB Layer definition 
   parfp[1] = khpcby*0.5;
   gMC->Gsvolu("FPCB","BOX",idtmed[504],parfp,3);
   // positioning 2 PCB Layers on FSTR volume
@@ -355,23 +375,25 @@ void AliTOFv4T0::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC,
   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;
   gMC->Gsvolu("FMYL","BOX",idtmed[511],parfp,3);
   // positioning 2 MYLAR Layers on FSTR volume
-  posfp[1] = -khstripy*0.5+khhony+khpcby+parfp[1]; 
+  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);
   // positioning 2 Graphite Layers on FSTR volume
@@ -382,9 +404,10 @@ void AliTOFv4T0::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC,
   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);
   // positioning 2 Glass Layers on FSTR volume
@@ -395,9 +418,10 @@ void AliTOFv4T0::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC,
   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;
@@ -409,243 +433,110 @@ void AliTOFv4T0::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC,
   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);
   
   // FPAD volume definition
-  parfp[0] = klpadx*0.5;    
+
+  parfp[0] = klpadx*0.5;   
   parfp[1] = khsensmy*0.5;
   parfp[2] = kwpadz*0.5;
   gMC->Gsvolu("FPAD","BOX",idtmed[513],parfp,3);
   // 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  /////
 
-  // Plate A (Central) 
-  
-  Float_t t = zFLTC+zFLTB+zFLTA*0.5+ 2*db;//Half Width of Barrel
+  ///////////////////Positioning A module//////////////////////////
+
 
-  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;
-  nrot  = 0;
-  zcoor = 0;
-  ycoor = -14.5 + kspace ; //2 cm over front plate
+  for(Int_t istrip =0; istrip < fTOFGeometry->NStripA(); istrip++){
 
-  AliMatrix (idrotm[0],  90.,  0.,90.,90.,0., 90.);   
-  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("y = %f,  z = %f, zpos = %f \n",ycoor,zcoor,zpos);
+    Float_t ang = fTOFGeometry->GetAngles(2,istrip);
+    AliMatrix (idrotm[0],90.,0.,90.-ang,90.,-ang, 90.);  
+    ang /= kRaddeg;
+    Float_t zpos = tan(ang)*radius;
+    Float_t ypos= fTOFGeometry->GetHeights(2,istrip);
+    gMC->Gspos("FSTR",fNStripA-istrip,"FLTA",0.,ypos, zpos,idrotm[0],  "ONLY");
+    if(fDebug>=1) {
+      printf("y = %f,  z = %f, , z coord = %f, Rot ang = %f, St. %2i \n",ypos,zpos,tan(ang)*radius ,ang*kRaddeg,istrip);
+    }
   }
-  zcoor -= zSenStrip;
-  j++;
-  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("y = %f,  z = %f, zpos = %f \n",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);
-  } 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);
-
-  gap = fGapB;
-  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");
-  if(fDebug) {   
-     printf("%s: %f,  St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,i);  
-     printf("y = %f,  z = %f, zpos = %f \n",ycoor,zcoor,zpos);  
-  }   
-  ycoor = -hTof/2.+ kspace;//2 cm over front plate
-
-  // Plate  B
-
-  nrot = 0;
-  i=1;
-  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);
-
-  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("y = %f,  z = %f, zpos = %f \n",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;
-     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) {
-        printf("%s: %f,  St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
-        printf("y = %f,  z = %f, zpos = %f \n",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+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) {
-       printf("%s: %f,  St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
-       printf("y = %f,  z = %f, zpos = %f \n",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);
-
-  nrot = 0;
-  i=0;
-  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("y = %f,  z = %f, zpos = %f \n",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)
 
-  Float_t overSpace = fOverSpc;//cm
+  
+  ///////////////////Positioning B module//////////////////////////
+
+  for(Int_t istrip =0; istrip < fTOFGeometry->NStripB(); istrip++){
+
+    Float_t ang = fTOFGeometry->GetAngles(3,istrip);
+    AliMatrix (idrotm[0],90.,0.,90.-ang,90.,-ang, 90.);  
+    ang /= kRaddeg;
+    Float_t zpos = tan(ang)*radius+(zFLTA*0.5+zFLTB*0.5+db);
+    Float_t ypos= fTOFGeometry->GetHeights(3,istrip);
+    gMC->Gspos("FSTR",istrip+1,"FLTB",0.,ypos, zpos,idrotm[nrot],  "ONLY");
+    if(fDebug>=1) {
+      printf("y = %f,  z = %f, , z coord = %f, Rot ang = %f, St. %2i \n",ypos,zpos,tan(ang)*radius,ang*kRaddeg,istrip);
+    }
+  }
 
+  
+  ///////////////////Positioning C module//////////////////////////
+
+  for(Int_t istrip =0; istrip < fTOFGeometry->NStripC(); istrip++){
+
+    Float_t ang = fTOFGeometry->GetAngles(4,istrip);
+    AliMatrix (idrotm[0],90.,0.,90.-ang,90.,-ang, 90.);  
+    ang /= kRaddeg;
+    Float_t zpos = tan(ang)*radius+(zFLTC*0.5+zFLTB+zFLTA*0.5+db*2);
+    Float_t ypos= fTOFGeometry->GetHeights(4,istrip);
+    gMC->Gspos("FSTR",istrip+1,"FLTC",0.,ypos, zpos,idrotm[nrot],  "ONLY");
+    if(fDebug>=1) {
+      printf("y = %f,  z = %f, z coord = %f, Rot ang = %f, St. %2i \n",ypos,zpos,tan(ang)*radius,ang*kRaddeg,istrip);
+    }
+  }
+   
+  ////////// 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");
+  
+  
+  // plexiglass thickness: 1.5 mm ; factor 0.3
 
-// Electronics (Cu) after
   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");
+  
+  // frame of Air
 
-// 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
   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
@@ -656,21 +547,114 @@ void AliTOFv4T0::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 < fTOFGeometry->NStripA(); ++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 < fTOFGeometry->NStripB(); ++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 < fTOFGeometry->NStripC(); ++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 < fTOFGeometry->NStripA(); ++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 < fTOFGeometry->NStripB(); ++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 < fTOFGeometry->NStripC(); ++itub) {
+    tubepos[2]= tubepos[2]+stepforcardC;
+    gMC->Gspos("FTUB",itub,"FAIC",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
+              "ONLY");
+  }
 
+}
 //_____________________________________________________________________________
 void AliTOFv4T0::DrawModule() const
 {
@@ -726,10 +710,9 @@ void AliTOFv4T0::DrawDetectorModules()
 // Draw a shaded view of the TOF detector version 4
 //
  
- AliMC* pMC = AliMC::GetMC();
  
 //Set ALIC mother transparent
pMC->Gsatt("ALIC","SEEN",0);
 gMC->Gsatt("ALIC","SEEN",0);
 
 //
 //Set volumes visible
@@ -799,10 +782,8 @@ void AliTOFv4T0::DrawDetectorStrips()
   // Draw a shaded view of the TOF strips for version 4
   //
   
-  AliMC* pMC = AliMC::GetMC();
   //Set ALIC mother transparent
-  pMC->Gsatt("ALIC","SEEN",0);
+  gMC->Gsatt("ALIC","SEEN",0);
   
   //
   //Set volumes visible 
@@ -951,9 +932,11 @@ void AliTOFv4T0::Init()
 //_____________________________________________________________________________
 void AliTOFv4T0::StepManager()
 {
+
   //
   // Procedure called at each step in the Time Of Flight
   //
+
   TLorentzVector mom, pos;
   Float_t xm[3],pm[3],xpad[3],ppad[3];
   Float_t hits[14],phi,phid,z;
@@ -962,7 +945,7 @@ void AliTOFv4T0::StepManager()
   Int_t   copy, padzid, padxid, stripid, i;
   Int_t   *idtmed = fIdtmed->GetArray()-499;
   Float_t incidenceAngle;
-  
+      
   if(gMC->GetMedium()==idtmed[513] && 
      gMC->IsTrackEntering() && gMC->TrackCharge()
      && gMC->CurrentVolID(copy)==fIdSens) 
@@ -970,21 +953,25 @@ void AliTOFv4T0::StepManager()
     // getting information about hit volumes
     
     padzid=gMC->CurrentVolOffID(2,copy);
-    padz=copy;  
+    padz=copy; 
+
     
     padxid=gMC->CurrentVolOffID(1,copy);
-    padx=copy;  
+    padx=copy; 
     
     stripid=gMC->CurrentVolOffID(4,copy);
-    strip=copy;  
+    strip=copy; 
 
     gMC->TrackPosition(pos);
     gMC->TrackMomentum(mom);
 
-//    Double_t NormPos=1./pos.Rho();
+
+    //    Double_t NormPos=1./pos.Rho();
+
     Double_t normMom=1./mom.Rho();
 
-//  getting the cohordinates in pad ref system
+    //  getting the cohordinates in pad ref system
+
     xm[0] = (Float_t)pos.X();
     xm[1] = (Float_t)pos.Y();
     xm[2] = (Float_t)pos.Z();
@@ -998,21 +985,44 @@ void AliTOFv4T0::StepManager()
 
     incidenceAngle = TMath::ACos(ppad[1])*kRaddeg;
 
+
     z = pos[2];
 
-    plate = 0;   
-    if (TMath::Abs(z) <=  fZlenA*0.5)  plate = 3;
+    plate = -1;  
+
+    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; // AdC
+    if (z <-(fZlenA*0.5+fZlenB))       plate = 4; //1; // AdC
+
+
+    if (plate==0) strip=fTOFGeometry->NStripC()-strip; // AdC
+    else if (plate==1) strip=fTOFGeometry->NStripB()-strip; // AdC
+    else strip--; // AdC
+    //Apply ALICE conventions for volume numbering increasing with theta, phi 
+
+    if (plate==3 || plate==4){
+      padx=fTOFGeometry->NpadX()-padx; // SA
+      padz=fTOFGeometry->NpadZ()-padz; // AdC
+      xpad[0]=-xpad[0];      
+      xpad[2]=-xpad[2];      
+    }
+    else {
+     padx--; // AdC
+     padz--; // AdC
+    }
+
+
 
     phi = pos.Phi();
-    phid = phi*kRaddeg+180.;
+    if (phi>=0.) phid = phi*kRaddeg; //+180.; // AdC
+    else phid = phi*kRaddeg + 360.; // AdC
+
     sector = Int_t (phid/20.);
-    sector++;
 
     for(i=0;i<3;++i) {
       hits[i]   = pos[i];
@@ -1032,8 +1042,8 @@ void AliTOFv4T0::StepManager()
     vol[1]= plate;
     vol[2]= strip;
     vol[3]= padx;
-    vol[4]= padz;
-    
-    AddT0Hit(gAlice->CurrentTrack(),vol, hits);
+    vol[4]= padz;    
+
+    AddT0Hit(gAlice->GetMCApp()->GetCurrentTrackNumber(),vol, hits);
   }
 }