TOF/AliTOFv4T0.cxx

   1 /**************************************************************************
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   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 "AliLog.h"
  52 #include "AliConst.h"
  53 #include "AliRun.h"
  54 #include "AliTOFv4T0.h"
  55 #include "AliTOFGeometry.h"
  56 #include "AliMC.h"
  57
  58 ClassImp(AliTOFv4T0)
  59
  60 //_____________________________________________________________________________
  61 AliTOFv4T0::AliTOFv4T0()
  62 {
  63   //
  64   // Default constructor
  65   //
  66 }
  67
  68 //_____________________________________________________________________________
  69 AliTOFv4T0::AliTOFv4T0(const char *name, const char *title)
  70         : AliTOF(name,title,"tzero")
  71 {
  72   //
  73   // Standard constructor
  74   //
  75   //
  76   // Check that FRAME is there otherwise we have no place where to
  77   // put TOF
  78
  79
  80   AliModule* frame=gAlice->GetModule("FRAME");
  81   if(!frame) {
  82     AliFatal("TOF needs FRAME to be present");
  83   } else{
  84
  85     if (fTOFGeometry) delete fTOFGeometry;
  86     fTOFGeometry = new AliTOFGeometry();
  87
  88     if(frame->IsVersion()==1) {
  89       AliInfo(Form("Frame version %d", frame->IsVersion()));
  90       AliInfo("Full Coverage for TOF");
  91       fTOFHoles=false;}
  92     else {
  93       AliInfo(Form("Frame version %d", frame->IsVersion()));
  94       AliInfo("TOF with Holes for PHOS");
  95       fTOFHoles=true;}
  96   }
  97   fTOFGeometry->SetHoles(fTOFHoles);
  98 }
  99
 100 //____________________________________________________________________________
 101 void AliTOFv4T0::BuildGeometry()
 102 {
 103   //
 104   // Build TOF ROOT geometry for the ALICE event display
 105   //
 106   TNode *node, *top;
 107   const int kColorTOF  = 27;
 108
 109   // Find top TNODE
 110   top = gAlice->GetGeometry()->GetNode("alice");
 111
 112   // Position the different copies
 113   const Float_t krTof  =(AliTOFGeometry::Rmax()+AliTOFGeometry::Rmin())/2;
 114   const Float_t khTof  = AliTOFGeometry::Rmax()-AliTOFGeometry::Rmin();
 115   const Int_t   kNTof  = AliTOFGeometry::NSectors();
 116   const Float_t kPi    = TMath::Pi();
 117   const Float_t kangle = 2*kPi/kNTof;
 118   Float_t ang;
 119
 120   // define offset for nodes
 121   Float_t zOffsetC = AliTOFGeometry::MaxhZtof() - AliTOFGeometry::ZlenC()*0.5;
 122   Float_t zOffsetB = AliTOFGeometry::MaxhZtof() - AliTOFGeometry::ZlenC() - AliTOFGeometry::ZlenB()*0.5;
 123   Float_t zOffsetA = 0.;
 124   // Define TOF basic volume
 125
 126   char nodeName0[7], nodeName1[7], nodeName2[7];
 127   char nodeName3[7], nodeName4[7], rotMatNum[7];
 128
 129   new TBRIK("S_TOF_C","TOF box","void",
 130             AliTOFGeometry::StripLength()*0.5,khTof*0.5,AliTOFGeometry::ZlenC()*0.5);
 131   new TBRIK("S_TOF_B","TOF box","void",
 132             AliTOFGeometry::StripLength()*0.5,khTof*0.5,AliTOFGeometry::ZlenB()*0.5);
 133   new TBRIK("S_TOF_A","TOF box","void",
 134             AliTOFGeometry::StripLength()*0.5,khTof*0.5,AliTOFGeometry::ZlenA()*0.5);
 135
 136   for (Int_t nodeNum=1;nodeNum<19;nodeNum++){
 137
 138     if (nodeNum<10) {
 139       sprintf(rotMatNum,"rot50%i",nodeNum);
 140       sprintf(nodeName0,"FTO00%i",nodeNum);
 141       sprintf(nodeName1,"FTO10%i",nodeNum);
 142       sprintf(nodeName2,"FTO20%i",nodeNum);
 143       sprintf(nodeName3,"FTO30%i",nodeNum);
 144       sprintf(nodeName4,"FTO40%i",nodeNum);
 145     }
 146     if (nodeNum>9) {
 147       sprintf(rotMatNum,"rot5%i",nodeNum);
 148       sprintf(nodeName0,"FTO0%i",nodeNum);
 149       sprintf(nodeName1,"FTO1%i",nodeNum);
 150       sprintf(nodeName2,"FTO2%i",nodeNum);
 151       sprintf(nodeName3,"FTO3%i",nodeNum);
 152       sprintf(nodeName4,"FTO4%i",nodeNum);
 153     }
 154
 155     new TRotMatrix(rotMatNum,rotMatNum,90,-20*nodeNum,90,90-20*nodeNum,0,0);
 156     ang = (4.5-nodeNum) * kangle;
 157
 158     top->cd();
 159     node = new TNode(nodeName0,nodeName0,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),zOffsetC,rotMatNum);
 160     node->SetLineColor(kColorTOF);
 161     fNodes->Add(node);
 162
 163     top->cd();
 164     node = new TNode(nodeName1,nodeName1,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-zOffsetC,rotMatNum);
 165     node->SetLineColor(kColorTOF);
 166     fNodes->Add(node);
 167
 168     top->cd();
 169     node = new TNode(nodeName2,nodeName2,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),zOffsetB,rotMatNum);
 170     node->SetLineColor(kColorTOF);
 171     fNodes->Add(node);
 172
 173     top->cd();
 174     node = new TNode(nodeName3,nodeName3,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-zOffsetB,rotMatNum);
 175     node->SetLineColor(kColorTOF);
 176     fNodes->Add(node);
 177
 178     top->cd();
 179     node = new TNode(nodeName4,nodeName4,"S_TOF_A",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),zOffsetA,rotMatNum);
 180     node->SetLineColor(kColorTOF);
 181     fNodes->Add(node);
 182   } // end loop on nodeNum
 183 }
 184
 185
 186
 187 //_____________________________________________________________________________
 188 void AliTOFv4T0::CreateGeometry()
 189 {
 190   //
 191   // Create geometry for Time Of Flight version 0
 192   //
 193   //Begin_Html
 194   /*
 195     <img src="picts/AliTOFv4T0.gif">
 196   */
 197   //End_Html
 198   //
 199   // Creates common geometry
 200   //
 201   AliTOF::CreateGeometry();
 202 }
 203
 204
 205 //_____________________________________________________________________________
 206 void AliTOFv4T0::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC,
 207                      Float_t zlenB, Float_t zlenA, Float_t ztof0)
 208 {
 209   //
 210   // Definition of the Time Of Fligh Resistive Plate Chambers
 211   // xFLT, yFLT, zFLT - sizes of TOF modules (large)
 212
 213   Float_t  ycoor;
 214   Float_t  par[3];
 215   Int_t    *idtmed = fIdtmed->GetArray()-499;
 216   Int_t    idrotm[100];
 217   Int_t    nrot = 0;
 218
 219   Float_t radius = AliTOFGeometry::Rmin()+2.;//cm
 220
 221
 222   par[0] =  xtof * 0.5;
 223   par[1] =  ytof * 0.5;
 224   par[2] = zlenC * 0.5;
 225   gMC->Gsvolu("FTOC", "BOX ", idtmed[506], par, 3);
 226   par[2] = zlenB * 0.5;
 227   gMC->Gsvolu("FTOB", "BOX ", idtmed[506], par, 3);
 228   par[2] = zlenA * 0.5;
 229   gMC->Gsvolu("FTOA", "BOX ", idtmed[506], par, 3);
 230
 231
 232   // Positioning of modules
 233
 234   Float_t zcor1 = ztof0 - zlenC*0.5;
 235   Float_t zcor2 = ztof0 - zlenC - zlenB*0.5;
 236   Float_t zcor3 = 0.;
 237
 238   AliMatrix(idrotm[0], 90.,  0., 0., 0., 90,-90.);
 239   AliMatrix(idrotm[1], 90.,180., 0., 0., 90, 90.);
 240
 241   gMC->Gspos("FTOC", 1, "BTO1", 0,  zcor1, 0, idrotm[0], "ONLY");
 242   gMC->Gspos("FTOC", 2, "BTO1", 0, -zcor1, 0, idrotm[1], "ONLY");
 243   gMC->Gspos("FTOC", 1, "BTO2", 0,  zcor1, 0, idrotm[0], "ONLY");
 244   gMC->Gspos("FTOC", 2, "BTO2", 0, -zcor1, 0, idrotm[1], "ONLY");
 245   gMC->Gspos("FTOC", 1, "BTO3", 0,  zcor1, 0, idrotm[0], "ONLY");
 246   gMC->Gspos("FTOC", 2, "BTO3", 0, -zcor1, 0, idrotm[1], "ONLY");
 247
 248   gMC->Gspos("FTOB", 1, "BTO1", 0,  zcor2, 0, idrotm[0], "ONLY");
 249   gMC->Gspos("FTOB", 2, "BTO1", 0, -zcor2, 0, idrotm[1], "ONLY");
 250   gMC->Gspos("FTOB", 1, "BTO2", 0,  zcor2, 0, idrotm[0], "ONLY");
 251   gMC->Gspos("FTOB", 2, "BTO2", 0, -zcor2, 0, idrotm[1], "ONLY");
 252   gMC->Gspos("FTOB", 1, "BTO3", 0,  zcor2, 0, idrotm[0], "ONLY");
 253   gMC->Gspos("FTOB", 2, "BTO3", 0, -zcor2, 0, idrotm[1], "ONLY");
 254
 255   gMC->Gspos("FTOA", 0, "BTO1", 0, zcor3,  0, idrotm[0], "ONLY");
 256   if(!fTOFHoles)gMC->Gspos("FTOA", 0, "BTO2", 0, zcor3,  0, idrotm[0], "ONLY");
 257   gMC->Gspos("FTOA", 0, "BTO3", 0, zcor3,  0, idrotm[0], "ONLY");
 258
 259
 260   Float_t db = 0.5; // cm
 261   Float_t xFLT, xFST, yFLT, zFLTA, zFLTB, zFLTC;
 262
 263   xFLT = AliTOFGeometry::StripLength();
 264   yFLT = ytof;
 265   zFLTA = zlenA;
 266   zFLTB = zlenB;
 267   zFLTC = zlenC;
 268
 269   xFST = xFLT - AliTOFGeometry::DeadBndX()*2; // cm
 270
 271   // Sizes of MRPC pads
 272
 273   Float_t yPad = 0.505; //cm
 274
 275   // Large not sensitive volumes with Insensitive Freon
 276   par[0] = xFLT*0.5;
 277   par[1] = yFLT*0.5;
 278
 279   AliDebug(1, "************************* TOF geometry **************************");
 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  =  AliTOFGeometry::DeadBndZ(); //cm non-sensitive between the pad edge
 318   //and the boundary of the strip
 319   const Int_t    knx    = AliTOFGeometry::NpadX();  // number of pads along x
 320   const Int_t    knz    = AliTOFGeometry::NpadZ();  // number of pads along z
 321
 322   Float_t zSenStrip  = AliTOFGeometry::ZPad() * AliTOFGeometry::NpadZ(); // 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",AliTOFGeometry::NStripA()-istrip,"FLTA",0.,ypos, zpos,idrotm[0],  "ONLY");
 464     AliDebug(1, Form("y = %f,  z = %f, , z coord = %f, Rot ang = %f, St. %2i",ypos,zpos,tan(ang)*radius ,ang*kRaddeg,istrip));
 465   }
 466
 467
 468   ///////////////////Positioning B module//////////////////////////
 469
 470   for(Int_t istrip =0; istrip < fTOFGeometry->NStripB(); istrip++){
 471
 472     Float_t ang = fTOFGeometry->GetAngles(3,istrip);
 473     AliMatrix (idrotm[0],90.,0.,90.-ang,90.,-ang, 90.);
 474     ang /= kRaddeg;
 475     Float_t zpos = tan(ang)*radius+(zFLTA*0.5+zFLTB*0.5+db);
 476     Float_t ypos= fTOFGeometry->GetHeights(3,istrip);
 477     gMC->Gspos("FSTR",istrip+1,"FLTB",0.,ypos, zpos,idrotm[nrot],  "ONLY");
 478     AliDebug(1, Form("y = %f,  z = %f, , z coord = %f, Rot ang = %f, St. %2i",ypos,zpos,tan(ang)*radius,ang*kRaddeg,istrip));
 479   }
 480
 481
 482   ///////////////////Positioning C module//////////////////////////
 483
 484   for(Int_t istrip =0; istrip < fTOFGeometry->NStripC(); istrip++){
 485
 486     Float_t ang = fTOFGeometry->GetAngles(4,istrip);
 487     AliMatrix (idrotm[0],90.,0.,90.-ang,90.,-ang, 90.);
 488     ang /= kRaddeg;
 489     Float_t zpos = tan(ang)*radius+(zFLTC*0.5+zFLTB+zFLTA*0.5+db*2);
 490     Float_t ypos= fTOFGeometry->GetHeights(4,istrip);
 491     gMC->Gspos("FSTR",istrip+1,"FLTC",0.,ypos, zpos,idrotm[nrot],  "ONLY");
 492     AliDebug(1, Form("y = %f,  z = %f, z coord = %f, Rot ang = %f, St. %2i",ypos,zpos,tan(ang)*radius,ang*kRaddeg,istrip));
 493   }
 494
 495   ////////// Layers after strips /////////////////
 496   // Al Layer thickness (2.3mm) factor 0.7
 497
 498   Float_t overSpace = AliTOFGeometry::OverSpc();//cm
 499
 500   par[0] = xFLT*0.5;
 501   par[1] = 0.115*0.7; // factor 0.7
 502   par[2] = (zFLTA *0.5);
 503   ycoor = -yFLT/2 + overSpace + par[1];
 504   gMC->Gsvolu("FPEA", "BOX ", idtmed[508], par, 3); // Al
 505   gMC->Gspos ("FPEA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
 506   par[2] = (zFLTB *0.5);
 507   gMC->Gsvolu("FPEB", "BOX ", idtmed[508], par, 3); // Al
 508   gMC->Gspos ("FPEB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
 509   par[2] = (zFLTC *0.5);
 510   gMC->Gsvolu("FPEC", "BOX ", idtmed[508], par, 3); // Al
 511   gMC->Gspos ("FPEC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
 512
 513
 514   // plexiglass thickness: 1.5 mm ; factor 0.3
 515
 516   ycoor += par[1];
 517   par[0] = xFLT*0.5;
 518   par[1] = 0.075*0.3; // factor 0.3
 519   par[2] = (zFLTA *0.5);
 520   ycoor += par[1];
 521   gMC->Gsvolu("FECA", "BOX ", idtmed[505], par, 3); // Plexigl.
 522   gMC->Gspos ("FECA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
 523   par[2] = (zFLTB *0.5);
 524   gMC->Gsvolu("FECB", "BOX ", idtmed[505], par, 3); // Plexigl.
 525   gMC->Gspos ("FECB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
 526   par[2] = (zFLTC *0.5);
 527   gMC->Gsvolu("FECC", "BOX ", idtmed[505], par, 3); // Plexigl.
 528   gMC->Gspos ("FECC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
 529
 530   // frame of Air
 531
 532   ycoor += par[1];
 533   par[0] = xFLT*0.5;
 534   par[1] = (yFLT/2-ycoor-khAlWall)*0.5; // Aluminum layer considered (0.18 cm)
 535   par[2] = (zFLTA *0.5);
 536   ycoor += par[1];
 537   gMC->Gsvolu("FAIA", "BOX ", idtmed[500], par, 3); // Air
 538   gMC->Gspos ("FAIA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
 539   par[2] = (zFLTB *0.5);
 540   gMC->Gsvolu("FAIB", "BOX ", idtmed[500], par, 3); // Air
 541   gMC->Gspos ("FAIB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
 542   par[2] = (zFLTC *0.5);
 543   gMC->Gsvolu("FAIC", "BOX ", idtmed[500], par, 3); // Air
 544   gMC->Gspos ("FAIC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
 545
 546
 547   // start with cards and cooling tubes
 548   // finally, cards, cooling tubes and layer for thermal dispersion
 549   // 3 volumes
 550   // card volume definition
 551
 552   // see GEOM200 in GEANT manual
 553
 554
 555   AliMatrix(idrotm[98], 90., 0., 90., 90., 0., 0.); // 0 deg
 556
 557   Float_t cardpar[3];
 558   cardpar[0]= 61.;
 559   cardpar[1]= 5.;
 560   cardpar[2]= 0.1;
 561   gMC->Gsvolu("FCAR", "BOX ", idtmed[504], cardpar, 3); // PCB Card
 562   //alu plate volume definition
 563   cardpar[1]= 3.5;
 564   cardpar[2]= 0.05;
 565   gMC->Gsvolu("FALP", "BOX ", idtmed[508], cardpar, 3); // Alu Plate
 566
 567
 568   // central module positioning (FAIA)
 569   Float_t cardpos[3], aplpos2, stepforcardA=6.625;
 570   cardpos[0]= 0.;
 571   cardpos[1]= -0.5;
 572   cardpos[2]= -53.;
 573   Float_t aplpos1 = -2.;
 574   Int_t icard;
 575   for (icard=0; icard < fTOFGeometry->NStripA(); ++icard) {
 576     cardpos[2]= cardpos[2]+stepforcardA;
 577     aplpos2 = cardpos[2]+0.15;
 578     gMC->Gspos("FCAR",icard,"FAIA",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
 579     gMC->Gspos("FALP",icard,"FAIA",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
 580
 581   }
 582
 583
 584   // intermediate module positioning (FAIB)
 585   Float_t stepforcardB= 7.05;
 586   cardpos[2]= -70.5;
 587   for (icard=0; icard < fTOFGeometry->NStripB(); ++icard) {
 588     cardpos[2]= cardpos[2]+stepforcardB;
 589     aplpos2 = cardpos[2]+0.15;
 590     gMC->Gspos("FCAR",icard,"FAIB",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
 591     gMC->Gspos("FALP",icard,"FAIB",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
 592   }
 593
 594
 595   // outer module positioning (FAIC)
 596   Float_t stepforcardC= 8.45238;
 597   cardpos[2]= -88.75;
 598   for (icard=0; icard < fTOFGeometry->NStripC(); ++icard) {
 599     cardpos[2]= cardpos[2]+stepforcardC;
 600     aplpos2 = cardpos[2]+0.15;
 601     gMC->Gspos("FCAR",icard,"FAIC",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
 602     gMC->Gspos("FALP",icard,"FAIC",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
 603   }
 604
 605   // tube volume definition
 606
 607   Float_t tubepar[3];
 608   tubepar[0]= 0.;
 609   tubepar[1]= 0.4;
 610   tubepar[2]= 61.;
 611   gMC->Gsvolu("FTUB", "TUBE", idtmed[516], tubepar, 3); // cooling tubes (steel)
 612   tubepar[0]= 0.;
 613   tubepar[1]= 0.35;
 614   tubepar[2]= 61.;
 615   gMC->Gsvolu("FITU", "TUBE", idtmed[515], tubepar, 3); // cooling water
 616   // positioning water tube into the steel one
 617   gMC->Gspos("FITU",1,"FTUB",0.,0.,0.,0,"ONLY");
 618
 619
 620   // rotation matrix
 621   AliMatrix(idrotm[99], 180., 90., 90., 90., 90., 0.);
 622   // central module positioning (FAIA)
 623   Float_t tubepos[3], tdis=0.6;
 624   tubepos[0]= 0.;
 625   tubepos[1]= cardpos[1];
 626   tubepos[2]= -53.+tdis;
 627   //  tub1pos = 5.;
 628   Int_t itub;
 629   for (itub=0; itub < fTOFGeometry->NStripA(); ++itub) {
 630     tubepos[2]= tubepos[2]+stepforcardA;
 631     gMC->Gspos("FTUB",itub,"FAIA",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
 632                "ONLY");
 633   }
 634
 635
 636   // intermediate module positioning (FAIB)
 637   tubepos[2]= -70.5+tdis;
 638   for (itub=0; itub < fTOFGeometry->NStripB(); ++itub) {
 639     tubepos[2]= tubepos[2]+stepforcardB;
 640     gMC->Gspos("FTUB",itub,"FAIB",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
 641                "ONLY");
 642   }
 643
 644   // outer module positioning (FAIC)
 645   tubepos[2]= -88.75+tdis;
 646   for (itub=0; itub < fTOFGeometry->NStripC(); ++itub) {
 647     tubepos[2]= tubepos[2]+stepforcardC;
 648     gMC->Gspos("FTUB",itub,"FAIC",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
 649                "ONLY");
 650   }
 651
 652 }
 653 //_____________________________________________________________________________
 654 void AliTOFv4T0::DrawModule()
 655 {
 656   //
 657   // Draw a shaded view of the Time Of Flight version 4
 658   //
 659   // Set everything unseen
 660   gMC->Gsatt("*", "seen", -1);
 661   //
 662   // Set ALIC mother transparent
 663   gMC->Gsatt("ALIC","SEEN",0);
 664   //
 665   // Set the volumes visible
 666   gMC->Gsatt("ALIC","SEEN",0);
 667
 668   gMC->Gsatt("FTOA","SEEN",1);
 669   gMC->Gsatt("FTOB","SEEN",1);
 670   gMC->Gsatt("FTOC","SEEN",1);
 671   gMC->Gsatt("FLTA","SEEN",1);
 672   gMC->Gsatt("FLTB","SEEN",1);
 673   gMC->Gsatt("FLTC","SEEN",1);
 674   gMC->Gsatt("FPLA","SEEN",1);
 675   gMC->Gsatt("FPLB","SEEN",1);
 676   gMC->Gsatt("FPLC","SEEN",1);
 677   gMC->Gsatt("FSTR","SEEN",1);
 678   gMC->Gsatt("FPEA","SEEN",1);
 679   gMC->Gsatt("FPEB","SEEN",1);
 680   gMC->Gsatt("FPEC","SEEN",1);
 681
 682   gMC->Gsatt("FLZ1","SEEN",0);
 683   gMC->Gsatt("FLZ2","SEEN",0);
 684   gMC->Gsatt("FLZ3","SEEN",0);
 685   gMC->Gsatt("FLX1","SEEN",0);
 686   gMC->Gsatt("FLX2","SEEN",0);
 687   gMC->Gsatt("FLX3","SEEN",0);
 688   gMC->Gsatt("FPAD","SEEN",0);
 689
 690   gMC->Gdopt("hide", "on");
 691   gMC->Gdopt("shad", "on");
 692   gMC->Gsatt("*", "fill", 7);
 693   gMC->SetClipBox(".");
 694   gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
 695   gMC->DefaultRange();
 696   gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02);
 697   gMC->Gdhead(1111, "Time Of Flight");
 698   gMC->Gdman(18, 4, "MAN");
 699   gMC->Gdopt("hide","off");
 700 }
 701 //_____________________________________________________________________________
 702 void AliTOFv4T0::DrawDetectorModules()
 703 {
 704 //
 705 // Draw a shaded view of the TOF detector version 4
 706 //
 707
 708
 709 //Set ALIC mother transparent
 710   gMC->Gsatt("ALIC","SEEN",0);
 711
 712 //
 713 //Set volumes visible
 714 //
 715 //=====> Level 1
 716   // Level 1 for TOF volumes
 717   gMC->Gsatt("B077","seen",0);
 718
 719
 720 //==========> Level 2
 721   // Level 2
 722   gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
 723   gMC->Gsatt("B071","seen",0);
 724   gMC->Gsatt("B074","seen",0);
 725   gMC->Gsatt("B075","seen",0);
 726   gMC->Gsatt("B080","seen",0); // B080 does not has sub-level
 727
 728
 729   // Level 2 of B071
 730   gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped   -
 731   gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped   -
 732   gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped   -
 733   gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped   -
 734   gMC->Gsatt("B056","seen",0);  // B056 does not has sub-levels  -
 735   gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped   -
 736   gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped   -
 737   gMC->Gsatt("BTR1","seen",0);  // BTR1 do not have sub-levels   -
 738   gMC->Gsatt("BTO1","seen",0);
 739
 740
 741   // Level 2 of B074
 742   gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
 743   gMC->Gsatt("BTO2","seen",0);
 744
 745   // Level 2 of B075
 746   gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
 747   gMC->Gsatt("BTO3","seen",0);
 748
 749 // ==================> Level 3
 750   // Level 3 of B071 / Level 2 of BTO1
 751   gMC->Gsatt("FTOC","seen",-2);
 752   gMC->Gsatt("FTOB","seen",-2);
 753   gMC->Gsatt("FTOA","seen",-2);
 754
 755   // Level 3 of B074 / Level 2 of BTO2
 756   // -> cfr previous settings
 757
 758   // Level 3 of B075 / Level 2 of BTO3
 759   // -> cfr previous settings
 760
 761   gMC->Gdopt("hide","on");
 762   gMC->Gdopt("shad","on");
 763   gMC->Gsatt("*", "fill", 5);
 764   gMC->SetClipBox(".");
 765   gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
 766   gMC->DefaultRange();
 767   gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
 768   gMC->Gdhead(1111,"TOF detector V1");
 769   gMC->Gdman(18, 4, "MAN");
 770   gMC->Gdopt("hide","off");
 771 }
 772
 773 //_____________________________________________________________________________
 774 void AliTOFv4T0::DrawDetectorStrips()
 775 {
 776   //
 777   // Draw a shaded view of the TOF strips for version 4
 778   //
 779
 780   //Set ALIC mother transparent
 781   gMC->Gsatt("ALIC","SEEN",0);
 782
 783   //
 784   //Set volumes visible
 785   //=====> Level 1
 786   // Level 1 for TOF volumes
 787   gMC->Gsatt("B077","seen",0);
 788
 789   //==========> Level 2
 790   // Level 2
 791   gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
 792   gMC->Gsatt("B071","seen",0);
 793   gMC->Gsatt("B074","seen",0);
 794   gMC->Gsatt("B075","seen",0);
 795   gMC->Gsatt("B080","seen",0); // B080 does not has sub-level
 796
 797   // Level 2 of B071
 798   gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped   -
 799   gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped   -
 800   gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped   -
 801   gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped   -
 802   gMC->Gsatt("B056","seen",0);  // B056 does not has sub-levels  -
 803   gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped   -
 804   gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped   -
 805   gMC->Gsatt("BTR1","seen",0);  // BTR1 do not have sub-levels   -
 806   gMC->Gsatt("BTO1","seen",0);
 807
 808   // ==================> Level 3
 809   // Level 3 of B071 / Level 2 of BTO1
 810   gMC->Gsatt("FTOC","seen",0);
 811   gMC->Gsatt("FTOB","seen",0);
 812   gMC->Gsatt("FTOA","seen",0);
 813
 814   // Level 3 of B074 / Level 2 of BTO2
 815   // -> cfr previous settings
 816
 817   // Level 3 of B075 / Level 2 of BTO3
 818   // -> cfr previous settings
 819
 820
 821   // ==========================> Level 4
 822   // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOC
 823   gMC->Gsatt("FLTC","seen",0);
 824   // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOB
 825   gMC->Gsatt("FLTB","seen",0);
 826   // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOA
 827   gMC->Gsatt("FLTA","seen",0);
 828
 829   // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOC
 830   // -> cfr previous settings
 831   // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOB
 832   // -> cfr previous settings
 833
 834   // Level 4 of B075 / Level 3 of BTO3 / Level 2 of FTOC
 835   // -> cfr previous settings
 836
 837   //======================================> Level 5
 838   // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOC / Level 2 of FLTC
 839   gMC->Gsatt("FALC","seen",0); // no children for FALC
 840   gMC->Gsatt("FSTR","seen",-2);
 841   gMC->Gsatt("FPEC","seen",0); // no children for FPEC
 842   gMC->Gsatt("FECC","seen",0); // no children for FECC
 843   gMC->Gsatt("FWAC","seen",0); // no children for FWAC
 844   gMC->Gsatt("FAIC","seen",0); // no children for FAIC
 845
 846   // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOB / Level 2 of FLTB
 847   gMC->Gsatt("FALB","seen",0); // no children for FALB
 848   //-->  gMC->Gsatt("FSTR","seen",-2);
 849
 850
 851   // -> cfr previous settings
 852   gMC->Gsatt("FPEB","seen",0); // no children for FPEB
 853   gMC->Gsatt("FECB","seen",0); // no children for FECB
 854   gMC->Gsatt("FWAB","seen",0); // no children for FWAB
 855   gMC->Gsatt("FAIB","seen",0); // no children for FAIB
 856
 857   // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOA / Level 2 of FLTA
 858   gMC->Gsatt("FALA","seen",0); // no children for FALB
 859   //-->  gMC->Gsatt("FSTR","seen",-2);
 860   // -> cfr previous settings
 861   gMC->Gsatt("FPEA","seen",0); // no children for FPEA
 862   gMC->Gsatt("FECA","seen",0); // no children for FECA
 863   gMC->Gsatt("FWAA","seen",0); // no children for FWAA
 864   gMC->Gsatt("FAIA","seen",0); // no children for FAIA
 865
 866   // Level 2 of B074
 867   gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
 868   gMC->Gsatt("BTO2","seen",0);
 869
 870   // Level 2 of B075
 871   gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
 872   gMC->Gsatt("BTO3","seen",0);
 873
 874   // for others Level 5, cfr. previous settings
 875
 876   gMC->Gdopt("hide","on");
 877   gMC->Gdopt("shad","on");
 878   gMC->Gsatt("*", "fill", 5);
 879   gMC->SetClipBox(".");
 880   gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
 881   gMC->DefaultRange();
 882   gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
 883   gMC->Gdhead(1111,"TOF Strips V1");
 884   gMC->Gdman(18, 4, "MAN");
 885   gMC->Gdopt("hide","off");
 886 }
 887
 888 //_____________________________________________________________________________
 889 void AliTOFv4T0::CreateMaterials()
 890 {
 891   //
 892   // Define materials for the Time Of Flight
 893   //
 894   AliTOF::CreateMaterials();
 895 }
 896
 897 //_____________________________________________________________________________
 898 void AliTOFv4T0::Init()
 899 {
 900   //
 901   // Initialise the detector after the geometry has been defined
 902   //
 903   AliDebug(1, "**************************************"
 904            "  TOF  "
 905            "**************************************");
 906   AliDebug(1, "  Version 4 of TOF initialing, "
 907            "symmetric TOF - Full Coverage version");
 908
 909   AliTOF::Init();
 910
 911   fIdFTOA = gMC->VolId("FTOA");
 912   fIdFTOB = gMC->VolId("FTOB");
 913   fIdFTOC = gMC->VolId("FTOC");
 914   fIdFLTA = gMC->VolId("FLTA");
 915   fIdFLTB = gMC->VolId("FLTB");
 916   fIdFLTC = gMC->VolId("FLTC");
 917
 918   AliDebug(1, "**************************************"
 919            "  TOF  "
 920            "**************************************");
 921 }
 922
 923 //_____________________________________________________________________________
 924 void AliTOFv4T0::StepManager()
 925 {
 926
 927   //
 928   // Procedure called at each step in the Time Of Flight
 929   //
 930
 931   TLorentzVector mom, pos;
 932   Float_t xm[3],pm[3],xpad[3],ppad[3];
 933   Float_t hits[14],phi,phid,z;
 934   Int_t   vol[5];
 935   Int_t   sector, plate, padx, padz, strip;
 936   Int_t   copy, padzid, padxid, stripid, i;
 937   Int_t   *idtmed = fIdtmed->GetArray()-499;
 938   Float_t incidenceAngle;
 939
 940   if(gMC->GetMedium()==idtmed[513] &&
 941      gMC->IsTrackEntering() && gMC->TrackCharge()
 942      && gMC->CurrentVolID(copy)==fIdSens)
 943   {
 944
 945     AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber());
 946
 947     // getting information about hit volumes
 948
 949     padzid=gMC->CurrentVolOffID(2,copy);
 950     padz=copy;
 951
 952
 953     padxid=gMC->CurrentVolOffID(1,copy);
 954     padx=copy;
 955
 956     stripid=gMC->CurrentVolOffID(4,copy);
 957     strip=copy;
 958
 959     gMC->TrackPosition(pos);
 960     gMC->TrackMomentum(mom);
 961
 962
 963     //    Double_t NormPos=1./pos.Rho();
 964
 965     Double_t normMom=1./mom.Rho();
 966
 967     //  getting the cohordinates in pad ref system
 968
 969     xm[0] = (Float_t)pos.X();
 970     xm[1] = (Float_t)pos.Y();
 971     xm[2] = (Float_t)pos.Z();
 972
 973     pm[0] = (Float_t)mom.X()*normMom;
 974     pm[1] = (Float_t)mom.Y()*normMom;
 975     pm[2] = (Float_t)mom.Z()*normMom;
 976
 977     gMC->Gmtod(xm,xpad,1);
 978     gMC->Gmtod(pm,ppad,2);
 979
 980
 981     if (TMath::Abs(ppad[1])>1) {
 982       AliWarning("Abs(ppad) > 1");
 983       ppad[1]=TMath::Sign((Float_t)1,ppad[1]);
 984     }
 985     incidenceAngle = TMath::ACos(ppad[1])*kRaddeg;
 986
 987
 988     z = pos[2];
 989
 990     plate = -1;
 991
 992     if (TMath::Abs(z) <=  AliTOFGeometry::ZlenA()*0.5)  plate = 2;
 993     if (z < (AliTOFGeometry::ZlenA()*0.5+AliTOFGeometry::ZlenB()) &&
 994         z >  AliTOFGeometry::ZlenA()*0.5)               plate = 1;
 995     if (z >-(AliTOFGeometry::ZlenA()*0.5+AliTOFGeometry::ZlenB()) &&
 996         z < -AliTOFGeometry::ZlenA()*0.5)               plate = 3;
 997     if (z > (AliTOFGeometry::ZlenA()*0.5+AliTOFGeometry::ZlenB()))     plate = 0;
 998     if (z <-(AliTOFGeometry::ZlenA()*0.5+AliTOFGeometry::ZlenB()))     plate = 4;
 999
1000
1001     if (plate==0) strip=fTOFGeometry->NStripC()-strip;
1002     else if (plate==1) strip=fTOFGeometry->NStripB()-strip;
1003     else strip--;
1004
1005     //Apply ALICE conventions for volume numbering increasing with theta, phi
1006
1007     if (plate==3 || plate==4){
1008       padx=fTOFGeometry->NpadX()-padx;
1009       padz=fTOFGeometry->NpadZ()-padz;
1010       xpad[0]=-xpad[0];
1011       xpad[2]=-xpad[2];
1012     }
1013     else {
1014      padx--;
1015      padz--;
1016     }
1017
1018
1019
1020     phi = pos.Phi();
1021     if (phi>=0.) phid = phi*kRaddeg;
1022     else phid = phi*kRaddeg + 360.;
1023
1024     sector = Int_t (phid/20.);
1025
1026     for(i=0;i<3;++i) {
1027       hits[i]   = pos[i];
1028       hits[i+3] = pm[i];
1029     }
1030
1031     hits[6] = mom.Rho();
1032     hits[7] = pos[3];
1033     hits[8] = xpad[0];
1034     hits[9] = xpad[1];
1035     hits[10]= xpad[2];
1036     hits[11]= incidenceAngle;
1037     hits[12]= gMC->Edep();
1038     hits[13]= gMC->TrackLength();
1039
1040     vol[0]= sector;
1041     vol[1]= plate;
1042     vol[2]= strip;
1043     vol[3]= padx;
1044     vol[4]= padz;
1045
1046     AddT0Hit(gAlice->GetMCApp()->GetCurrentTrackNumber(),vol, hits);
1047   }
1048 }