TOF/AliTOFv4T0.cxx

   1 /**************************************************************************
   2  * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
   3  *                                                                        *
   4  * Author: The ALICE Off-line Project.                                    *
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  15
  16 /* $Id$ */
  17
  18 ///////////////////////////////////////////////////////////////////////////////
  19 //                                                                           //
  20 //  This class contains the functions for version 4 of the Time Of Flight    //
  21 //  detector.                                                                //
  22 //                                                                           //
  23 //  VERSION WITH 5 MODULES AND TILTED STRIPS                                 //
  24 //                                                                           //
  25 //   FULL COVERAGE VERSION +OPTION for PHOS holes                            //
  26 //                                                                           //
  27 //   Author:                                                                 //
  28 //   Fabrizio Pierella                                                       //
  29 //   University of Bologna - Italy                                           //
  30 //                                                                           //
  31 //                                                                           //
  32 //Begin_Html                                                                 //
  33 /*                                                                           //
  34 <img src="picts/AliTOFv4T0Class.gif">                                        //
  35 */                                                                           //
  36 //End_Html                                                                   //
  37 //                                                                           //
  38 ///////////////////////////////////////////////////////////////////////////////
  39
  40 #include <Riostream.h>
  41 #include <stdlib.h>
  42 #include "TVirtualMC.h"
  43
  44 #include <TBRIK.h>
  45 #include <TGeometry.h>
  46 #include <TLorentzVector.h>
  47 #include <TNode.h>
  48 #include <TObject.h>
  49 #include <TVirtualMC.h>
  50
  51 #include "AliConst.h"
  52 #include "AliRun.h"
  53 #include "AliTOFv4T0.h"
  54 #include "AliMC.h"
  55
  56 ClassImp(AliTOFv4T0)
  57
  58 //_____________________________________________________________________________
  59 AliTOFv4T0::AliTOFv4T0()
  60 {
  61   //
  62   // Default constructor
  63   //
  64 }
  65
  66 //_____________________________________________________________________________
  67 AliTOFv4T0::AliTOFv4T0(const char *name, const char *title)
  68         : AliTOF(name,title,"tzero")
  69 {
  70   //
  71   // Standard constructor
  72   //
  73   //
  74   // Check that FRAME is there otherwise we have no place where to
  75   // put TOF
  76
  77
  78   AliModule* frame=gAlice->GetModule("FRAME");
  79   if(!frame) {
  80     Error("Ctor","TOF needs FRAME to be present\n");
  81     exit(1);
  82   } else{
  83
  84     if (fTOFGeometry) delete fTOFGeometry;
  85     fTOFGeometry = new AliTOFGeometry();
  86
  87     if(frame->IsVersion()==1) {
  88       cout << " Frame version " << frame->IsVersion() << endl;
  89       cout << " Full Coverage for TOF" << endl;
  90       fTOFHoles=false;}
  91     else {
  92       cout << " Frame version " << frame->IsVersion() << endl;
  93       cout << " TOF with Holes for PHOS " << endl;
  94       fTOFHoles=true;}
  95   }
  96   fTOFGeometry->SetHoles(fTOFHoles);
  97 }
  98
  99 //____________________________________________________________________________
 100 void AliTOFv4T0::BuildGeometry()
 101 {
 102   //
 103   // Build TOF ROOT geometry for the ALICE event display
 104   //
 105   TNode *node, *top;
 106   const int kColorTOF  = 27;
 107
 108   // Find top TNODE
 109   top = gAlice->GetGeometry()->GetNode("alice");
 110
 111   // Position the different copies
 112   const Float_t krTof  =(fRmax+fRmin)/2;
 113   const Float_t khTof  = fRmax-fRmin;
 114   const Int_t   kNTof = fNTof;
 115   const Float_t kPi   = TMath::Pi();
 116   const Float_t kangle = 2*kPi/kNTof;
 117   Float_t ang;
 118
 119   // define offset for nodes
 120   Float_t zOffsetC = fZtof - fZlenC*0.5;
 121   Float_t zOffsetB = fZtof - fZlenC - fZlenB*0.5;
 122   Float_t zOffsetA = 0.;
 123   // Define TOF basic volume
 124
 125   char nodeName0[7], nodeName1[7], nodeName2[7];
 126   char nodeName3[7], nodeName4[7], rotMatNum[7];
 127
 128   new TBRIK("S_TOF_C","TOF box","void",
 129             fStripLn*0.5,khTof*0.5,fZlenC*0.5);
 130   new TBRIK("S_TOF_B","TOF box","void",
 131             fStripLn*0.5,khTof*0.5,fZlenB*0.5);
 132   new TBRIK("S_TOF_A","TOF box","void",
 133             fStripLn*0.5,khTof*0.5,fZlenA*0.5);
 134
 135   for (Int_t nodeNum=1;nodeNum<19;nodeNum++){
 136
 137     if (nodeNum<10) {
 138       sprintf(rotMatNum,"rot50%i",nodeNum);
 139       sprintf(nodeName0,"FTO00%i",nodeNum);
 140       sprintf(nodeName1,"FTO10%i",nodeNum);
 141       sprintf(nodeName2,"FTO20%i",nodeNum);
 142       sprintf(nodeName3,"FTO30%i",nodeNum);
 143       sprintf(nodeName4,"FTO40%i",nodeNum);
 144     }
 145     if (nodeNum>9) {
 146       sprintf(rotMatNum,"rot5%i",nodeNum);
 147       sprintf(nodeName0,"FTO0%i",nodeNum);
 148       sprintf(nodeName1,"FTO1%i",nodeNum);
 149       sprintf(nodeName2,"FTO2%i",nodeNum);
 150       sprintf(nodeName3,"FTO3%i",nodeNum);
 151       sprintf(nodeName4,"FTO4%i",nodeNum);
 152     }
 153
 154     new TRotMatrix(rotMatNum,rotMatNum,90,-20*nodeNum,90,90-20*nodeNum,0,0);
 155     ang = (4.5-nodeNum) * kangle;
 156
 157     top->cd();
 158     node = new TNode(nodeName0,nodeName0,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),zOffsetC,rotMatNum);
 159     node->SetLineColor(kColorTOF);
 160     fNodes->Add(node);
 161
 162     top->cd();
 163     node = new TNode(nodeName1,nodeName1,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-zOffsetC,rotMatNum);
 164     node->SetLineColor(kColorTOF);
 165     fNodes->Add(node);
 166
 167     top->cd();
 168     node = new TNode(nodeName2,nodeName2,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),zOffsetB,rotMatNum);
 169     node->SetLineColor(kColorTOF);
 170     fNodes->Add(node);
 171
 172     top->cd();
 173     node = new TNode(nodeName3,nodeName3,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-zOffsetB,rotMatNum);
 174     node->SetLineColor(kColorTOF);
 175     fNodes->Add(node);
 176
 177     top->cd();
 178     node = new TNode(nodeName4,nodeName4,"S_TOF_A",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),zOffsetA,rotMatNum);
 179     node->SetLineColor(kColorTOF);
 180     fNodes->Add(node);
 181   } // end loop on nodeNum
 182 }
 183
 184
 185
 186 //_____________________________________________________________________________
 187 void AliTOFv4T0::CreateGeometry()
 188 {
 189   //
 190   // Create geometry for Time Of Flight version 0
 191   //
 192   //Begin_Html
 193   /*
 194     <img src="picts/AliTOFv4T0.gif">
 195   */
 196   //End_Html
 197   //
 198   // Creates common geometry
 199   //
 200   AliTOF::CreateGeometry();
 201 }
 202
 203
 204 //_____________________________________________________________________________
 205 void AliTOFv4T0::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC,
 206                      Float_t zlenB, Float_t zlenA, Float_t ztof0)
 207 {
 208   //
 209   // Definition of the Time Of Fligh Resistive Plate Chambers
 210   // xFLT, yFLT, zFLT - sizes of TOF modules (large)
 211
 212   Float_t  ycoor;
 213   Float_t  par[3];
 214   Int_t    *idtmed = fIdtmed->GetArray()-499;
 215   Int_t    idrotm[100];
 216   Int_t    nrot = 0;
 217
 218   Float_t radius = fRmin+2.;//cm
 219
 220
 221   par[0] =  xtof * 0.5;
 222   par[1] =  ytof * 0.5;
 223   par[2] = zlenC * 0.5;
 224   gMC->Gsvolu("FTOC", "BOX ", idtmed[506], par, 3);
 225   par[2] = zlenB * 0.5;
 226   gMC->Gsvolu("FTOB", "BOX ", idtmed[506], par, 3);
 227   par[2] = zlenA * 0.5;
 228   gMC->Gsvolu("FTOA", "BOX ", idtmed[506], par, 3);
 229
 230
 231   // Positioning of modules
 232
 233   Float_t zcor1 = ztof0 - zlenC*0.5;
 234   Float_t zcor2 = ztof0 - zlenC - zlenB*0.5;
 235   Float_t zcor3 = 0.;
 236
 237   AliMatrix(idrotm[0], 90.,  0., 0., 0., 90,-90.);
 238   AliMatrix(idrotm[1], 90.,180., 0., 0., 90, 90.);
 239
 240   gMC->Gspos("FTOC", 1, "BTO1", 0,  zcor1, 0, idrotm[0], "ONLY");
 241   gMC->Gspos("FTOC", 2, "BTO1", 0, -zcor1, 0, idrotm[1], "ONLY");
 242   gMC->Gspos("FTOC", 1, "BTO2", 0,  zcor1, 0, idrotm[0], "ONLY");
 243   gMC->Gspos("FTOC", 2, "BTO2", 0, -zcor1, 0, idrotm[1], "ONLY");
 244   gMC->Gspos("FTOC", 1, "BTO3", 0,  zcor1, 0, idrotm[0], "ONLY");
 245   gMC->Gspos("FTOC", 2, "BTO3", 0, -zcor1, 0, idrotm[1], "ONLY");
 246
 247   gMC->Gspos("FTOB", 1, "BTO1", 0,  zcor2, 0, idrotm[0], "ONLY");
 248   gMC->Gspos("FTOB", 2, "BTO1", 0, -zcor2, 0, idrotm[1], "ONLY");
 249   gMC->Gspos("FTOB", 1, "BTO2", 0,  zcor2, 0, idrotm[0], "ONLY");
 250   gMC->Gspos("FTOB", 2, "BTO2", 0, -zcor2, 0, idrotm[1], "ONLY");
 251   gMC->Gspos("FTOB", 1, "BTO3", 0,  zcor2, 0, idrotm[0], "ONLY");
 252   gMC->Gspos("FTOB", 2, "BTO3", 0, -zcor2, 0, idrotm[1], "ONLY");
 253
 254   gMC->Gspos("FTOA", 0, "BTO1", 0, zcor3,  0, idrotm[0], "ONLY");
 255   if(!fTOFHoles)gMC->Gspos("FTOA", 0, "BTO2", 0, zcor3,  0, idrotm[0], "ONLY");
 256   gMC->Gspos("FTOA", 0, "BTO3", 0, zcor3,  0, idrotm[0], "ONLY");
 257
 258
 259   Float_t db = 0.5;//cm
 260   Float_t xFLT, xFST, yFLT, zFLTA, zFLTB, zFLTC;
 261
 262   xFLT = fStripLn;
 263   yFLT = ytof;
 264   zFLTA = zlenA;
 265   zFLTB = zlenB;
 266   zFLTC = zlenC;
 267
 268   xFST = xFLT-fDeadBndX*2;//cm
 269
 270   // Sizes of MRPC pads
 271
 272   Float_t yPad = 0.505;//cm
 273
 274   // Large not sensitive volumes with Insensitive Freon
 275   par[0] = xFLT*0.5;
 276   par[1] = yFLT*0.5;
 277
 278   if (fDebug) cout << ClassName() <<
 279                 ": ************************* TOF geometry **************************"<<endl;
 280
 281   par[2] = (zFLTA *0.5);
 282   gMC->Gsvolu("FLTA", "BOX ", idtmed[512], par, 3); // Insensitive Freon
 283   gMC->Gspos ("FLTA", 0, "FTOA", 0., 0., 0., 0, "ONLY");
 284
 285   par[2] = (zFLTB * 0.5);
 286   gMC->Gsvolu("FLTB", "BOX ", idtmed[512], par, 3); // Insensitive Freon
 287   gMC->Gspos ("FLTB", 0, "FTOB", 0., 0., 0., 0, "ONLY");
 288
 289   par[2] = (zFLTC * 0.5);
 290   gMC->Gsvolu("FLTC", "BOX ", idtmed[512], par, 3); // Insensitive Freon
 291   gMC->Gspos ("FLTC", 0, "FTOC", 0., 0., 0., 0, "ONLY");
 292
 293   ///// Layers of Aluminum before and after detector /////
 294   ///// Aluminum Box for Modules (1.8 mm thickness)  /////
 295   ///// lateral walls not simulated for the time being
 296   //    const Float_t khAlWall = 0.18;
 297   // fp to be checked
 298   const Float_t khAlWall = 0.11;
 299   par[0] = xFLT*0.5;
 300   par[1] = khAlWall/2.;//cm
 301   ycoor = -yFLT/2 + par[1];
 302   par[2] = (zFLTA *0.5);
 303   gMC->Gsvolu("FALA", "BOX ", idtmed[508], par, 3); // Alluminium
 304   gMC->Gspos ("FALA", 1, "FLTA", 0., ycoor, 0., 0, "ONLY");
 305   gMC->Gspos ("FALA", 2, "FLTA", 0.,-ycoor, 0., 0, "ONLY");
 306   par[2] = (zFLTB *0.5);
 307   gMC->Gsvolu("FALB", "BOX ", idtmed[508], par, 3); // Alluminium
 308   gMC->Gspos ("FALB", 1, "FLTB", 0., ycoor, 0., 0, "ONLY");
 309   gMC->Gspos ("FALB", 2, "FLTB", 0.,-ycoor, 0., 0, "ONLY");
 310   par[2] = (zFLTC *0.5);
 311   gMC->Gsvolu("FALC", "BOX ", idtmed[508], par, 3); // Alluminium
 312   gMC->Gspos ("FALC", 1, "FLTC", 0., ycoor, 0., 0, "ONLY");
 313   gMC->Gspos ("FALC", 2, "FLTC", 0.,-ycoor, 0., 0, "ONLY");
 314
 315   ///////////////// Detector itself //////////////////////
 316
 317   const Float_t  kdeadBound  =  fDeadBndZ; //cm non-sensitive between the pad edge
 318   //and the boundary of the strip
 319   const Int_t    knx    = fNpadX;          // number of pads along x
 320   const Int_t    knz    = fNpadZ;          // number of pads along z
 321
 322   Float_t zSenStrip  = fZpad*fNpadZ;//cm
 323   Float_t stripWidth = zSenStrip + 2*kdeadBound;
 324
 325   par[0] = xFLT*0.5;
 326   par[1] = yPad*0.5;
 327   par[2] = stripWidth*0.5;
 328
 329   // new description for strip volume -double stack strip-
 330   // -- all constants are expressed in cm
 331   // heigth of different layers
 332   const Float_t khhony = 0.8     ;   // heigth of HONY  Layer
 333   const Float_t khpcby = 0.08    ;   // heigth of PCB   Layer
 334   const Float_t khmyly = 0.035   ;   // heigth of MYLAR Layer
 335   const Float_t khgraphy = 0.02  ;   // heigth of GRAPHITE Layer
 336   const Float_t khglasseiy = 0.135;   // 0.6 Ext. Glass + 1.1 i.e. (Int. Glass/2) (mm)
 337   const Float_t khsensmy = 0.11  ;   // heigth of Sensitive Freon Mixture
 338   const Float_t kwsensmz = 2*3.5 ;   // cm
 339   const Float_t klsensmx = 48*2.5;   // cm
 340   const Float_t kwpadz = 3.5;   // cm z dimension of the FPAD volume
 341   const Float_t klpadx = 2.5;   // cm x dimension of the FPAD volume
 342
 343   // heigth of the FSTR Volume (the strip volume)
 344   const Float_t khstripy = 2*khhony+3*khpcby+4*(khmyly+khgraphy+khglasseiy)+2*khsensmy;
 345   // width  of the FSTR Volume (the strip volume)
 346   const Float_t kwstripz = 10.;
 347   // length of the FSTR Volume (the strip volume)
 348   const Float_t klstripx = 122.;
 349
 350   Float_t parfp[3]={klstripx*0.5,khstripy*0.5,kwstripz*0.5};
 351   // Coordinates of the strip center in the strip reference frame;
 352   // used for positioninG internal strip volumes
 353   Float_t posfp[3]={0.,0.,0.};
 354
 355
 356   // FSTR volume definition-filling this volume with non sensitive Gas Mixture
 357   gMC->Gsvolu("FSTR","BOX",idtmed[512],parfp,3);
 358   //-- HONY Layer definition
 359   //  parfp[0] = -1;
 360   parfp[1] = khhony*0.5;
 361   //  parfp[2] = -1;
 362   gMC->Gsvolu("FHON","BOX",idtmed[503],parfp,3);
 363   // positioning 2 HONY Layers on FSTR volume
 364
 365   posfp[1]=-khstripy*0.5+parfp[1];
 366   gMC->Gspos("FHON",1,"FSTR",0., posfp[1],0.,0,"ONLY");
 367   gMC->Gspos("FHON",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
 368
 369   //-- PCB Layer definition
 370
 371   parfp[1] = khpcby*0.5;
 372   gMC->Gsvolu("FPCB","BOX",idtmed[504],parfp,3);
 373   // positioning 2 PCB Layers on FSTR volume
 374   posfp[1]=-khstripy*0.5+khhony+parfp[1];
 375   gMC->Gspos("FPCB",1,"FSTR",0., posfp[1],0.,0,"ONLY");
 376   gMC->Gspos("FPCB",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
 377   // positioning the central PCB layer
 378   gMC->Gspos("FPCB",3,"FSTR",0.,0.,0.,0,"ONLY");
 379
 380
 381
 382   //-- MYLAR Layer definition
 383
 384   parfp[1] = khmyly*0.5;
 385   gMC->Gsvolu("FMYL","BOX",idtmed[511],parfp,3);
 386   // positioning 2 MYLAR Layers on FSTR volume
 387   posfp[1] = -khstripy*0.5+khhony+khpcby+parfp[1];
 388   gMC->Gspos("FMYL",1,"FSTR",0., posfp[1],0.,0,"ONLY");
 389   gMC->Gspos("FMYL",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
 390   // adding further 2 MYLAR Layers on FSTR volume
 391   posfp[1] = khpcby*0.5+parfp[1];
 392   gMC->Gspos("FMYL",3,"FSTR",0., posfp[1],0.,0,"ONLY");
 393   gMC->Gspos("FMYL",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
 394
 395
 396   //-- Graphite Layer definition
 397
 398   parfp[1] = khgraphy*0.5;
 399   gMC->Gsvolu("FGRP","BOX",idtmed[502],parfp,3);
 400   // positioning 2 Graphite Layers on FSTR volume
 401   posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+parfp[1];
 402   gMC->Gspos("FGRP",1,"FSTR",0., posfp[1],0.,0,"ONLY");
 403   gMC->Gspos("FGRP",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
 404   // adding further 2 Graphite Layers on FSTR volume
 405   posfp[1] = khpcby*0.5+khmyly+parfp[1];
 406   gMC->Gspos("FGRP",3,"FSTR",0., posfp[1],0.,0,"ONLY");
 407   gMC->Gspos("FGRP",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
 408
 409
 410   //-- Glass (EXT. +Semi INT.) Layer definition
 411
 412   parfp[1] = khglasseiy*0.5;
 413   gMC->Gsvolu("FGLA","BOX",idtmed[514],parfp,3);
 414   // positioning 2 Glass Layers on FSTR volume
 415   posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+khgraphy+parfp[1];
 416   gMC->Gspos("FGLA",1,"FSTR",0., posfp[1],0.,0,"ONLY");
 417   gMC->Gspos("FGLA",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
 418   // adding further 2 Glass Layers on FSTR volume
 419   posfp[1] = khpcby*0.5+khmyly+khgraphy+parfp[1];
 420   gMC->Gspos("FGLA",3,"FSTR",0., posfp[1],0.,0,"ONLY");
 421   gMC->Gspos("FGLA",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
 422
 423
 424   //-- Sensitive Mixture Layer definition
 425
 426   parfp[0] = klsensmx*0.5;
 427   parfp[1] = khsensmy*0.5;
 428   parfp[2] = kwsensmz*0.5;
 429   gMC->Gsvolu("FSEN","BOX",idtmed[513],parfp,3);
 430   gMC->Gsvolu("FNSE","BOX",idtmed[512],parfp,3);
 431   // positioning 2 gas Layers on FSTR volume
 432   // the upper is insensitive freon
 433   // while the remaining is sensitive
 434   posfp[1] = khpcby*0.5+khmyly+khgraphy+khglasseiy+parfp[1];
 435   gMC->Gspos("FNSE",0,"FSTR", 0., posfp[1],0.,0,"ONLY");
 436   gMC->Gspos("FSEN",0,"FSTR", 0.,-posfp[1],0.,0,"ONLY");
 437
 438   // dividing FSEN along z in knz=2 and along x in knx=48
 439
 440   gMC->Gsdvn("FSEZ","FSEN",knz,3);
 441   gMC->Gsdvn("FSEX","FSEZ",knx,1);
 442
 443   // FPAD volume definition
 444
 445   parfp[0] = klpadx*0.5;
 446   parfp[1] = khsensmy*0.5;
 447   parfp[2] = kwpadz*0.5;
 448   gMC->Gsvolu("FPAD","BOX",idtmed[513],parfp,3);
 449   // positioning the FPAD volumes on previous divisions
 450   gMC->Gspos("FPAD",0,"FSEX",0.,0.,0.,0,"ONLY");
 451
 452
 453   ///////////////////Positioning A module//////////////////////////
 454
 455
 456   for(Int_t istrip =0; istrip < fTOFGeometry->NStripA(); istrip++){
 457
 458     Float_t ang = fTOFGeometry->GetAngles(2,istrip);
 459     AliMatrix (idrotm[0],90.,0.,90.-ang,90.,-ang, 90.);
 460     ang /= kRaddeg;
 461     Float_t zpos = tan(ang)*radius;
 462     Float_t ypos= fTOFGeometry->GetHeights(2,istrip);
 463     gMC->Gspos("FSTR",fNStripA-istrip,"FLTA",0.,ypos, zpos,idrotm[0],  "ONLY");
 464     if(fDebug>=1) {
 465       printf("y = %f,  z = %f, , z coord = %f, Rot ang = %f, St. %2i \n",ypos,zpos,tan(ang)*radius ,ang*kRaddeg,istrip);
 466     }
 467   }
 468
 469
 470   ///////////////////Positioning B module//////////////////////////
 471
 472   for(Int_t istrip =0; istrip < fTOFGeometry->NStripB(); istrip++){
 473
 474     Float_t ang = fTOFGeometry->GetAngles(3,istrip);
 475     AliMatrix (idrotm[0],90.,0.,90.-ang,90.,-ang, 90.);
 476     ang /= kRaddeg;
 477     Float_t zpos = tan(ang)*radius+(zFLTA*0.5+zFLTB*0.5+db);
 478     Float_t ypos= fTOFGeometry->GetHeights(3,istrip);
 479     gMC->Gspos("FSTR",istrip+1,"FLTB",0.,ypos, zpos,idrotm[nrot],  "ONLY");
 480     if(fDebug>=1) {
 481       printf("y = %f,  z = %f, , z coord = %f, Rot ang = %f, St. %2i \n",ypos,zpos,tan(ang)*radius,ang*kRaddeg,istrip);
 482     }
 483   }
 484
 485
 486   ///////////////////Positioning C module//////////////////////////
 487
 488   for(Int_t istrip =0; istrip < fTOFGeometry->NStripC(); istrip++){
 489
 490     Float_t ang = fTOFGeometry->GetAngles(4,istrip);
 491     AliMatrix (idrotm[0],90.,0.,90.-ang,90.,-ang, 90.);
 492     ang /= kRaddeg;
 493     Float_t zpos = tan(ang)*radius+(zFLTC*0.5+zFLTB+zFLTA*0.5+db*2);
 494     Float_t ypos= fTOFGeometry->GetHeights(4,istrip);
 495     gMC->Gspos("FSTR",istrip+1,"FLTC",0.,ypos, zpos,idrotm[nrot],  "ONLY");
 496     if(fDebug>=1) {
 497       printf("y = %f,  z = %f, z coord = %f, Rot ang = %f, St. %2i \n",ypos,zpos,tan(ang)*radius,ang*kRaddeg,istrip);
 498     }
 499   }
 500
 501   ////////// Layers after strips /////////////////
 502   // Al Layer thickness (2.3mm) factor 0.7
 503
 504   Float_t overSpace = fOverSpc;//cm
 505
 506   par[0] = xFLT*0.5;
 507   par[1] = 0.115*0.7; // factor 0.7
 508   par[2] = (zFLTA *0.5);
 509   ycoor = -yFLT/2 + overSpace + par[1];
 510   gMC->Gsvolu("FPEA", "BOX ", idtmed[508], par, 3); // Al
 511   gMC->Gspos ("FPEA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
 512   par[2] = (zFLTB *0.5);
 513   gMC->Gsvolu("FPEB", "BOX ", idtmed[508], par, 3); // Al
 514   gMC->Gspos ("FPEB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
 515   par[2] = (zFLTC *0.5);
 516   gMC->Gsvolu("FPEC", "BOX ", idtmed[508], par, 3); // Al
 517   gMC->Gspos ("FPEC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
 518
 519
 520   // plexiglass thickness: 1.5 mm ; factor 0.3
 521
 522   ycoor += par[1];
 523   par[0] = xFLT*0.5;
 524   par[1] = 0.075*0.3; // factor 0.3
 525   par[2] = (zFLTA *0.5);
 526   ycoor += par[1];
 527   gMC->Gsvolu("FECA", "BOX ", idtmed[505], par, 3); // Plexigl.
 528   gMC->Gspos ("FECA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
 529   par[2] = (zFLTB *0.5);
 530   gMC->Gsvolu("FECB", "BOX ", idtmed[505], par, 3); // Plexigl.
 531   gMC->Gspos ("FECB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
 532   par[2] = (zFLTC *0.5);
 533   gMC->Gsvolu("FECC", "BOX ", idtmed[505], par, 3); // Plexigl.
 534   gMC->Gspos ("FECC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
 535
 536   // frame of Air
 537
 538   ycoor += par[1];
 539   par[0] = xFLT*0.5;
 540   par[1] = (yFLT/2-ycoor-khAlWall)*0.5; // Aluminum layer considered (0.18 cm)
 541   par[2] = (zFLTA *0.5);
 542   ycoor += par[1];
 543   gMC->Gsvolu("FAIA", "BOX ", idtmed[500], par, 3); // Air
 544   gMC->Gspos ("FAIA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
 545   par[2] = (zFLTB *0.5);
 546   gMC->Gsvolu("FAIB", "BOX ", idtmed[500], par, 3); // Air
 547   gMC->Gspos ("FAIB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
 548   par[2] = (zFLTC *0.5);
 549   gMC->Gsvolu("FAIC", "BOX ", idtmed[500], par, 3); // Air
 550   gMC->Gspos ("FAIC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
 551
 552
 553   // start with cards and cooling tubes
 554   // finally, cards, cooling tubes and layer for thermal dispersion
 555   // 3 volumes
 556   // card volume definition
 557
 558   // see GEOM200 in GEANT manual
 559
 560
 561   AliMatrix(idrotm[98], 90., 0., 90., 90., 0., 0.); // 0 deg
 562
 563   Float_t cardpar[3];
 564   cardpar[0]= 61.;
 565   cardpar[1]= 5.;
 566   cardpar[2]= 0.1;
 567   gMC->Gsvolu("FCAR", "BOX ", idtmed[504], cardpar, 3); // PCB Card
 568   //alu plate volume definition
 569   cardpar[1]= 3.5;
 570   cardpar[2]= 0.05;
 571   gMC->Gsvolu("FALP", "BOX ", idtmed[508], cardpar, 3); // Alu Plate
 572
 573
 574   // central module positioning (FAIA)
 575   Float_t cardpos[3], aplpos2, stepforcardA=6.625;
 576   cardpos[0]= 0.;
 577   cardpos[1]= -0.5;
 578   cardpos[2]= -53.;
 579   Float_t aplpos1 = -2.;
 580   Int_t icard;
 581   for (icard=0; icard < fTOFGeometry->NStripA(); ++icard) {
 582     cardpos[2]= cardpos[2]+stepforcardA;
 583     aplpos2 = cardpos[2]+0.15;
 584     gMC->Gspos("FCAR",icard,"FAIA",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
 585     gMC->Gspos("FALP",icard,"FAIA",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
 586
 587   }
 588
 589
 590   // intermediate module positioning (FAIB)
 591   Float_t stepforcardB= 7.05;
 592   cardpos[2]= -70.5;
 593   for (icard=0; icard < fTOFGeometry->NStripB(); ++icard) {
 594     cardpos[2]= cardpos[2]+stepforcardB;
 595     aplpos2 = cardpos[2]+0.15;
 596     gMC->Gspos("FCAR",icard,"FAIB",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
 597     gMC->Gspos("FALP",icard,"FAIB",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
 598   }
 599
 600
 601   // outer module positioning (FAIC)
 602   Float_t stepforcardC= 8.45238;
 603   cardpos[2]= -88.75;
 604   for (icard=0; icard < fTOFGeometry->NStripC(); ++icard) {
 605     cardpos[2]= cardpos[2]+stepforcardC;
 606     aplpos2 = cardpos[2]+0.15;
 607     gMC->Gspos("FCAR",icard,"FAIC",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
 608     gMC->Gspos("FALP",icard,"FAIC",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
 609   }
 610
 611   // tube volume definition
 612
 613   Float_t tubepar[3];
 614   tubepar[0]= 0.;
 615   tubepar[1]= 0.4;
 616   tubepar[2]= 61.;
 617   gMC->Gsvolu("FTUB", "TUBE", idtmed[516], tubepar, 3); // cooling tubes (steel)
 618   tubepar[0]= 0.;
 619   tubepar[1]= 0.35;
 620   tubepar[2]= 61.;
 621   gMC->Gsvolu("FITU", "TUBE", idtmed[515], tubepar, 3); // cooling water
 622   // positioning water tube into the steel one
 623   gMC->Gspos("FITU",1,"FTUB",0.,0.,0.,0,"ONLY");
 624
 625
 626   // rotation matrix
 627   AliMatrix(idrotm[99], 180., 90., 90., 90., 90., 0.);
 628   // central module positioning (FAIA)
 629   Float_t tubepos[3], tdis=0.6;
 630   tubepos[0]= 0.;
 631   tubepos[1]= cardpos[1];
 632   tubepos[2]= -53.+tdis;
 633   //  tub1pos = 5.;
 634   Int_t itub;
 635   for (itub=0; itub < fTOFGeometry->NStripA(); ++itub) {
 636     tubepos[2]= tubepos[2]+stepforcardA;
 637     gMC->Gspos("FTUB",itub,"FAIA",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
 638                "ONLY");
 639   }
 640
 641
 642   // intermediate module positioning (FAIB)
 643   tubepos[2]= -70.5+tdis;
 644   for (itub=0; itub < fTOFGeometry->NStripB(); ++itub) {
 645     tubepos[2]= tubepos[2]+stepforcardB;
 646     gMC->Gspos("FTUB",itub,"FAIB",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
 647                "ONLY");
 648   }
 649
 650   // outer module positioning (FAIC)
 651   tubepos[2]= -88.75+tdis;
 652   for (itub=0; itub < fTOFGeometry->NStripC(); ++itub) {
 653     tubepos[2]= tubepos[2]+stepforcardC;
 654     gMC->Gspos("FTUB",itub,"FAIC",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
 655                "ONLY");
 656   }
 657
 658 }
 659 //_____________________________________________________________________________
 660 void AliTOFv4T0::DrawModule() const
 661 {
 662   //
 663   // Draw a shaded view of the Time Of Flight version 4
 664   //
 665   // Set everything unseen
 666   gMC->Gsatt("*", "seen", -1);
 667   //
 668   // Set ALIC mother transparent
 669   gMC->Gsatt("ALIC","SEEN",0);
 670   //
 671   // Set the volumes visible
 672   gMC->Gsatt("ALIC","SEEN",0);
 673
 674   gMC->Gsatt("FTOA","SEEN",1);
 675   gMC->Gsatt("FTOB","SEEN",1);
 676   gMC->Gsatt("FTOC","SEEN",1);
 677   gMC->Gsatt("FLTA","SEEN",1);
 678   gMC->Gsatt("FLTB","SEEN",1);
 679   gMC->Gsatt("FLTC","SEEN",1);
 680   gMC->Gsatt("FPLA","SEEN",1);
 681   gMC->Gsatt("FPLB","SEEN",1);
 682   gMC->Gsatt("FPLC","SEEN",1);
 683   gMC->Gsatt("FSTR","SEEN",1);
 684   gMC->Gsatt("FPEA","SEEN",1);
 685   gMC->Gsatt("FPEB","SEEN",1);
 686   gMC->Gsatt("FPEC","SEEN",1);
 687
 688   gMC->Gsatt("FLZ1","SEEN",0);
 689   gMC->Gsatt("FLZ2","SEEN",0);
 690   gMC->Gsatt("FLZ3","SEEN",0);
 691   gMC->Gsatt("FLX1","SEEN",0);
 692   gMC->Gsatt("FLX2","SEEN",0);
 693   gMC->Gsatt("FLX3","SEEN",0);
 694   gMC->Gsatt("FPAD","SEEN",0);
 695
 696   gMC->Gdopt("hide", "on");
 697   gMC->Gdopt("shad", "on");
 698   gMC->Gsatt("*", "fill", 7);
 699   gMC->SetClipBox(".");
 700   gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
 701   gMC->DefaultRange();
 702   gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02);
 703   gMC->Gdhead(1111, "Time Of Flight");
 704   gMC->Gdman(18, 4, "MAN");
 705   gMC->Gdopt("hide","off");
 706 }
 707 //_____________________________________________________________________________
 708 void AliTOFv4T0::DrawDetectorModules()
 709 {
 710 //
 711 // Draw a shaded view of the TOF detector version 4
 712 //
 713
 714
 715 //Set ALIC mother transparent
 716   gMC->Gsatt("ALIC","SEEN",0);
 717
 718 //
 719 //Set volumes visible
 720 //
 721 //=====> Level 1
 722   // Level 1 for TOF volumes
 723   gMC->Gsatt("B077","seen",0);
 724
 725
 726 //==========> Level 2
 727   // Level 2
 728   gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
 729   gMC->Gsatt("B071","seen",0);
 730   gMC->Gsatt("B074","seen",0);
 731   gMC->Gsatt("B075","seen",0);
 732   gMC->Gsatt("B080","seen",0); // B080 does not has sub-level
 733
 734
 735   // Level 2 of B071
 736   gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped   -
 737   gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped   -
 738   gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped   -
 739   gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped   -
 740   gMC->Gsatt("B056","seen",0);  // B056 does not has sub-levels  -
 741   gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped   -
 742   gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped   -
 743   gMC->Gsatt("BTR1","seen",0);  // BTR1 do not have sub-levels   -
 744   gMC->Gsatt("BTO1","seen",0);
 745
 746
 747   // Level 2 of B074
 748   gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
 749   gMC->Gsatt("BTO2","seen",0);
 750
 751   // Level 2 of B075
 752   gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
 753   gMC->Gsatt("BTO3","seen",0);
 754
 755 // ==================> Level 3
 756   // Level 3 of B071 / Level 2 of BTO1
 757   gMC->Gsatt("FTOC","seen",-2);
 758   gMC->Gsatt("FTOB","seen",-2);
 759   gMC->Gsatt("FTOA","seen",-2);
 760
 761   // Level 3 of B074 / Level 2 of BTO2
 762   // -> cfr previous settings
 763
 764   // Level 3 of B075 / Level 2 of BTO3
 765   // -> cfr previous settings
 766
 767   gMC->Gdopt("hide","on");
 768   gMC->Gdopt("shad","on");
 769   gMC->Gsatt("*", "fill", 5);
 770   gMC->SetClipBox(".");
 771   gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
 772   gMC->DefaultRange();
 773   gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
 774   gMC->Gdhead(1111,"TOF detector V1");
 775   gMC->Gdman(18, 4, "MAN");
 776   gMC->Gdopt("hide","off");
 777 }
 778
 779 //_____________________________________________________________________________
 780 void AliTOFv4T0::DrawDetectorStrips()
 781 {
 782   //
 783   // Draw a shaded view of the TOF strips for version 4
 784   //
 785
 786   //Set ALIC mother transparent
 787   gMC->Gsatt("ALIC","SEEN",0);
 788
 789   //
 790   //Set volumes visible
 791   //=====> Level 1
 792   // Level 1 for TOF volumes
 793   gMC->Gsatt("B077","seen",0);
 794
 795   //==========> Level 2
 796   // Level 2
 797   gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
 798   gMC->Gsatt("B071","seen",0);
 799   gMC->Gsatt("B074","seen",0);
 800   gMC->Gsatt("B075","seen",0);
 801   gMC->Gsatt("B080","seen",0); // B080 does not has sub-level
 802
 803   // Level 2 of B071
 804   gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped   -
 805   gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped   -
 806   gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped   -
 807   gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped   -
 808   gMC->Gsatt("B056","seen",0);  // B056 does not has sub-levels  -
 809   gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped   -
 810   gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped   -
 811   gMC->Gsatt("BTR1","seen",0);  // BTR1 do not have sub-levels   -
 812   gMC->Gsatt("BTO1","seen",0);
 813
 814   // ==================> Level 3
 815   // Level 3 of B071 / Level 2 of BTO1
 816   gMC->Gsatt("FTOC","seen",0);
 817   gMC->Gsatt("FTOB","seen",0);
 818   gMC->Gsatt("FTOA","seen",0);
 819
 820   // Level 3 of B074 / Level 2 of BTO2
 821   // -> cfr previous settings
 822
 823   // Level 3 of B075 / Level 2 of BTO3
 824   // -> cfr previous settings
 825
 826
 827   // ==========================> Level 4
 828   // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOC
 829   gMC->Gsatt("FLTC","seen",0);
 830   // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOB
 831   gMC->Gsatt("FLTB","seen",0);
 832   // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOA
 833   gMC->Gsatt("FLTA","seen",0);
 834
 835   // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOC
 836   // -> cfr previous settings
 837   // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOB
 838   // -> cfr previous settings
 839
 840   // Level 4 of B075 / Level 3 of BTO3 / Level 2 of FTOC
 841   // -> cfr previous settings
 842
 843   //======================================> Level 5
 844   // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOC / Level 2 of FLTC
 845   gMC->Gsatt("FALC","seen",0); // no children for FALC
 846   gMC->Gsatt("FSTR","seen",-2);
 847   gMC->Gsatt("FPEC","seen",0); // no children for FPEC
 848   gMC->Gsatt("FECC","seen",0); // no children for FECC
 849   gMC->Gsatt("FWAC","seen",0); // no children for FWAC
 850   gMC->Gsatt("FAIC","seen",0); // no children for FAIC
 851
 852   // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOB / Level 2 of FLTB
 853   gMC->Gsatt("FALB","seen",0); // no children for FALB
 854   //-->  gMC->Gsatt("FSTR","seen",-2);
 855
 856
 857   // -> cfr previous settings
 858   gMC->Gsatt("FPEB","seen",0); // no children for FPEB
 859   gMC->Gsatt("FECB","seen",0); // no children for FECB
 860   gMC->Gsatt("FWAB","seen",0); // no children for FWAB
 861   gMC->Gsatt("FAIB","seen",0); // no children for FAIB
 862
 863   // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOA / Level 2 of FLTA
 864   gMC->Gsatt("FALA","seen",0); // no children for FALB
 865   //-->  gMC->Gsatt("FSTR","seen",-2);
 866   // -> cfr previous settings
 867   gMC->Gsatt("FPEA","seen",0); // no children for FPEA
 868   gMC->Gsatt("FECA","seen",0); // no children for FECA
 869   gMC->Gsatt("FWAA","seen",0); // no children for FWAA
 870   gMC->Gsatt("FAIA","seen",0); // no children for FAIA
 871
 872   // Level 2 of B074
 873   gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
 874   gMC->Gsatt("BTO2","seen",0);
 875
 876   // Level 2 of B075
 877   gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
 878   gMC->Gsatt("BTO3","seen",0);
 879
 880   // for others Level 5, cfr. previous settings
 881
 882   gMC->Gdopt("hide","on");
 883   gMC->Gdopt("shad","on");
 884   gMC->Gsatt("*", "fill", 5);
 885   gMC->SetClipBox(".");
 886   gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
 887   gMC->DefaultRange();
 888   gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
 889   gMC->Gdhead(1111,"TOF Strips V1");
 890   gMC->Gdman(18, 4, "MAN");
 891   gMC->Gdopt("hide","off");
 892 }
 893
 894 //_____________________________________________________________________________
 895 void AliTOFv4T0::CreateMaterials()
 896 {
 897   //
 898   // Define materials for the Time Of Flight
 899   //
 900   AliTOF::CreateMaterials();
 901 }
 902
 903 //_____________________________________________________________________________
 904 void AliTOFv4T0::Init()
 905 {
 906   //
 907   // Initialise the detector after the geometry has been defined
 908   //
 909   if(fDebug) {
 910     printf("%s: **************************************"
 911            "  TOF  "
 912            "**************************************\n",ClassName());
 913     printf("\n%s:   Version 4 of TOF initialing, "
 914            "symmetric TOF - Full Coverage version\n",ClassName());
 915   }
 916
 917   AliTOF::Init();
 918
 919   fIdFTOA = gMC->VolId("FTOA");
 920   fIdFTOB = gMC->VolId("FTOB");
 921   fIdFTOC = gMC->VolId("FTOC");
 922   fIdFLTA = gMC->VolId("FLTA");
 923   fIdFLTB = gMC->VolId("FLTB");
 924   fIdFLTC = gMC->VolId("FLTC");
 925
 926   if(fDebug) {
 927     printf("%s: **************************************"
 928            "  TOF  "
 929            "**************************************\n",ClassName());
 930   }
 931 }
 932
 933 //_____________________________________________________________________________
 934 void AliTOFv4T0::StepManager()
 935 {
 936
 937   //
 938   // Procedure called at each step in the Time Of Flight
 939   //
 940
 941   TLorentzVector mom, pos;
 942   Float_t xm[3],pm[3],xpad[3],ppad[3];
 943   Float_t hits[14],phi,phid,z;
 944   Int_t   vol[5];
 945   Int_t   sector, plate, padx, padz, strip;
 946   Int_t   copy, padzid, padxid, stripid, i;
 947   Int_t   *idtmed = fIdtmed->GetArray()-499;
 948   Float_t incidenceAngle;
 949
 950   if(gMC->GetMedium()==idtmed[513] &&
 951      gMC->IsTrackEntering() && gMC->TrackCharge()
 952      && gMC->CurrentVolID(copy)==fIdSens)
 953   {
 954
 955     AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber());
 956
 957     // getting information about hit volumes
 958
 959     padzid=gMC->CurrentVolOffID(2,copy);
 960     padz=copy;
 961
 962
 963     padxid=gMC->CurrentVolOffID(1,copy);
 964     padx=copy;
 965
 966     stripid=gMC->CurrentVolOffID(4,copy);
 967     strip=copy;
 968
 969     gMC->TrackPosition(pos);
 970     gMC->TrackMomentum(mom);
 971
 972
 973     //    Double_t NormPos=1./pos.Rho();
 974
 975     Double_t normMom=1./mom.Rho();
 976
 977     //  getting the cohordinates in pad ref system
 978
 979     xm[0] = (Float_t)pos.X();
 980     xm[1] = (Float_t)pos.Y();
 981     xm[2] = (Float_t)pos.Z();
 982
 983     pm[0] = (Float_t)mom.X()*normMom;
 984     pm[1] = (Float_t)mom.Y()*normMom;
 985     pm[2] = (Float_t)mom.Z()*normMom;
 986
 987     gMC->Gmtod(xm,xpad,1);
 988     gMC->Gmtod(pm,ppad,2);
 989
 990
 991     if (TMath::Abs(ppad[1])>1) {
 992       Warning("StepManager","Abs(ppad) > 1");
 993       ppad[1]=TMath::Sign((Float_t)1,ppad[1]);
 994     }
 995     incidenceAngle = TMath::ACos(ppad[1])*kRaddeg;
 996
 997
 998     z = pos[2];
 999
1000     plate = -1;
1001
1002     if (TMath::Abs(z) <=  fZlenA*0.5)  plate = 2; //3; // AdC
1003     if (z < (fZlenA*0.5+fZlenB) &&
1004         z >  fZlenA*0.5)               plate = 1; //4; // AdC
1005     if (z >-(fZlenA*0.5+fZlenB) &&
1006         z < -fZlenA*0.5)               plate = 3; //2; // AdC
1007     if (z > (fZlenA*0.5+fZlenB))       plate = 0; //5; // AdC
1008     if (z <-(fZlenA*0.5+fZlenB))       plate = 4; //1; // AdC
1009
1010
1011     if (plate==0) strip=fTOFGeometry->NStripC()-strip; // AdC
1012     else if (plate==1) strip=fTOFGeometry->NStripB()-strip; // AdC
1013     else strip--; // AdC
1014
1015     //Apply ALICE conventions for volume numbering increasing with theta, phi
1016
1017     if (plate==3 || plate==4){
1018       padx=fTOFGeometry->NpadX()-padx; // SA
1019       padz=fTOFGeometry->NpadZ()-padz; // AdC
1020       xpad[0]=-xpad[0];
1021       xpad[2]=-xpad[2];
1022     }
1023     else {
1024      padx--; // AdC
1025      padz--; // AdC
1026     }
1027
1028
1029
1030     phi = pos.Phi();
1031     if (phi>=0.) phid = phi*kRaddeg; //+180.; // AdC
1032     else phid = phi*kRaddeg + 360.; // AdC
1033
1034     sector = Int_t (phid/20.);
1035
1036     for(i=0;i<3;++i) {
1037       hits[i]   = pos[i];
1038       hits[i+3] = pm[i];
1039     }
1040
1041     hits[6] = mom.Rho();
1042     hits[7] = pos[3];
1043     hits[8] = xpad[0];
1044     hits[9] = xpad[1];
1045     hits[10]= xpad[2];
1046     hits[11]= incidenceAngle;
1047     hits[12]= gMC->Edep();
1048     hits[13]= gMC->TrackLength();
1049
1050     vol[0]= sector;
1051     vol[1]= plate;
1052     vol[2]= strip;
1053     vol[3]= padx;
1054     vol[4]= padz;
1055
1056     AddT0Hit(gAlice->GetMCApp()->GetCurrentTrackNumber(),vol, hits);
1057   }
1058 }