TOF/AliTOFv3.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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  14  **************************************************************************/
  15
  16 /* $Id$ */
  17
  18 ///////////////////////////////////////////////////////////////////////////////
  19 //                                                                           //
  20 //  This class contains the functions for version 3 of the Time Of Flight    //
  21 //  detector.                                                                //
  22 //                                                                           //
  23 //  VERSION WITH 5 MODULES AND TILTED STRIPS                                 //
  24 //  HITS DEFINED FOR THIS VERSION                                            //
  25 //  HOLES FOR RICH DETECTOR                                                  //
  26 //                                                                           //
  27 //   Authors:                                                                //
  28 //                                                                           //
  29 //   Alessio Seganti                                                         //
  30 //   Domenico Vicinanza                                                      //
  31 //                                                                           //
  32 //   University of Salerno - Italy                                           //
  33 //                                                                           //
  34 //   Fabrizio Pierella                                                       //
  35 //   University of Bologna - Italy                                           //
  36 //                                                                           //
  37 //                                                                           //
  38 //Begin_Html                                                                 //
  39 /*                                                                           //
  40 <img src="picts/AliTOFv3Class.gif">                                          //
  41 */                                                                           //
  42 //End_Html                                                                   //
  43 //                                                                           //
  44 ///////////////////////////////////////////////////////////////////////////////
  45
  46 #include <Riostream.h>
  47 #include <stdlib.h>
  48
  49 #include <TBRIK.h>
  50 #include <TGeometry.h>
  51 #include <TLorentzVector.h>
  52 #include <TNode.h>
  53 #include <TObject.h>
  54 #include <TVirtualMC.h>
  55
  56 #include "AliConst.h"
  57 #include "AliRun.h"
  58 #include "AliTOFv3.h"
  59 #include "AliTOFConstants.h" // AdC
  60 #include "AliMC.h"
  61
  62 ClassImp(AliTOFv3)
  63
  64 //_____________________________________________________________________________
  65 AliTOFv3::AliTOFv3()
  66 {
  67   //
  68   // Default constructor
  69   //
  70 }
  71
  72 //_____________________________________________________________________________
  73 AliTOFv3::AliTOFv3(const char *name, const char *title)
  74         : AliTOF(name,title)
  75 {
  76   //
  77   // Standard constructor
  78   //
  79   //
  80   // Check that FRAME is there otherwise we have no place where to
  81   // put TOF
  82   AliModule* frame=gAlice->GetModule("FRAME");
  83   if(!frame) {
  84     Error("Ctor","TOF needs FRAME to be present\n");
  85     exit(1);
  86   } else
  87     if(frame->IsVersion()!=1) {
  88       Error("Ctor","FRAME version 1 needed with this version of TOF\n");
  89       exit(1);
  90     }
  91
  92 }
  93
  94 //____________________________________________________________________________
  95
  96 void AliTOFv3::BuildGeometry()
  97 {
  98   //
  99   // Build TOF ROOT geometry for the ALICE event display
 100   //
 101   TNode *node, *top;
 102   const int kColorTOF  = 27;
 103
 104   // Find top TNODE
 105   top = gAlice->GetGeometry()->GetNode("alice");
 106
 107   // Position the different copies
 108   const Float_t krTof  =(fRmax+fRmin)/2;
 109   const Float_t khTof  = fRmax-fRmin;
 110   const Int_t   kNTof = fNTof;
 111   const Float_t kPi   = TMath::Pi();
 112   const Float_t kangle = 2*kPi/kNTof;
 113   Float_t ang;
 114
 115   // define offset for nodes
 116   Float_t zOffsetC = fZtof - fZlenC*0.5;
 117   Float_t zOffsetB = fZtof - fZlenC - fZlenB*0.5;
 118   Float_t zOffsetA = 0.;
 119   // Define TOF basic volume
 120
 121   char nodeName0[7], nodeName1[7], nodeName2[7];
 122   char nodeName3[7], nodeName4[7], rotMatNum[7];
 123
 124   new TBRIK("S_TOF_C","TOF box","void",
 125             fStripLn*0.5,khTof*0.5,fZlenC*0.5);
 126   new TBRIK("S_TOF_B","TOF box","void",
 127             fStripLn*0.5,khTof*0.5,fZlenB*0.5);
 128   new TBRIK("S_TOF_A","TOF box","void",
 129             fStripLn*0.5,khTof*0.5,fZlenA*0.5);
 130
 131   for (Int_t nodeNum=1;nodeNum<19;nodeNum++){
 132
 133     if (nodeNum<10) {
 134       sprintf(rotMatNum,"rot50%i",nodeNum);
 135       sprintf(nodeName0,"FTO00%i",nodeNum);
 136       sprintf(nodeName1,"FTO10%i",nodeNum);
 137       sprintf(nodeName2,"FTO20%i",nodeNum);
 138       sprintf(nodeName3,"FTO30%i",nodeNum);
 139       sprintf(nodeName4,"FTO40%i",nodeNum);
 140     }
 141     if (nodeNum>9) {
 142       sprintf(rotMatNum,"rot5%i",nodeNum);
 143       sprintf(nodeName0,"FTO0%i",nodeNum);
 144       sprintf(nodeName1,"FTO1%i",nodeNum);
 145       sprintf(nodeName2,"FTO2%i",nodeNum);
 146       sprintf(nodeName3,"FTO3%i",nodeNum);
 147       sprintf(nodeName4,"FTO4%i",nodeNum);
 148     }
 149
 150     new TRotMatrix(rotMatNum,rotMatNum,90,-20*nodeNum,90,90-20*nodeNum,0,0);
 151     ang = (4.5-nodeNum) * kangle;
 152
 153     top->cd();
 154     node = new TNode(nodeName0,nodeName0,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),zOffsetC,rotMatNum);
 155     node->SetLineColor(kColorTOF);
 156     fNodes->Add(node);
 157
 158     top->cd();
 159     node = new TNode(nodeName1,nodeName1,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-zOffsetC,rotMatNum);
 160     node->SetLineColor(kColorTOF);
 161     fNodes->Add(node);
 162     if (nodeNum !=1 && nodeNum!=17 && nodeNum !=18)
 163       {
 164         top->cd();
 165         node = new TNode(nodeName2,nodeName2,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),zOffsetB,rotMatNum);
 166         node->SetLineColor(kColorTOF);
 167         fNodes->Add(node);
 168
 169         top->cd();
 170         node = new TNode(nodeName3,nodeName3,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-zOffsetB,rotMatNum);
 171         node->SetLineColor(kColorTOF);
 172         fNodes->Add(node);
 173       } // Holes for RICH detector
 174
 175     if (nodeNum !=1 && nodeNum !=17 && nodeNum !=18)
 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       } // Holes for RICH detector, central part
 182   }
 183 }
 184
 185
 186
 187 //_____________________________________________________________________________
 188 void AliTOFv3::CreateGeometry()
 189 {
 190   //
 191   // Create geometry for Time Of Flight version 0
 192   //
 193   //Begin_Html
 194   /*
 195     <img src="picts/AliTOFv3.gif">
 196   */
 197   //End_Html
 198   //
 199   // Creates common geometry
 200   //
 201   AliTOF::CreateGeometry();
 202 }
 203
 204 //_____________________________________________________________________________
 205 void AliTOFv3::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, zcoor;
 213   Float_t  par[3];
 214   Int_t    *idtmed = fIdtmed->GetArray()-499;
 215   Int_t    idrotm[100];
 216   Int_t    nrot = 0;
 217   Float_t  hTof = fRmax-fRmin;
 218
 219   Float_t radius = fRmin+2.;//cm
 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   gMC->Gspos("FTOC", 1, "BTO1", 0,  zcor1, 0, idrotm[0], "ONLY");
 240   gMC->Gspos("FTOC", 2, "BTO1", 0, -zcor1, 0, idrotm[1], "ONLY");
 241   gMC->Gspos("FTOC", 1, "BTO2", 0,  zcor1, 0, idrotm[0], "ONLY");
 242   gMC->Gspos("FTOC", 2, "BTO2", 0, -zcor1, 0, idrotm[1], "ONLY");
 243   gMC->Gspos("FTOC", 1, "BTO3", 0,  zcor1, 0, idrotm[0], "ONLY");
 244   gMC->Gspos("FTOC", 2, "BTO3", 0, -zcor1, 0, idrotm[1], "ONLY");
 245
 246   gMC->Gspos("FTOB", 1, "BTO1", 0,  zcor2, 0, idrotm[0], "ONLY");
 247   gMC->Gspos("FTOB", 2, "BTO1", 0, -zcor2, 0, idrotm[1], "ONLY");
 248   gMC->Gspos("FTOB", 1, "BTO2", 0,  zcor2, 0, idrotm[0], "ONLY");
 249   gMC->Gspos("FTOB", 2, "BTO2", 0, -zcor2, 0, idrotm[1], "ONLY");
 250
 251   gMC->Gspos("FTOA", 0, "BTO1", 0, zcor3,  0, idrotm[0], "ONLY");
 252   gMC->Gspos("FTOA", 0, "BTO2", 0, zcor3,  0, idrotm[0], "ONLY");
 253
 254   Float_t db = 0.5;//cm
 255   Float_t xFLT, xFST, yFLT, zFLTA, zFLTB, zFLTC;
 256
 257   xFLT = fStripLn;
 258   yFLT = ytof;
 259   zFLTA = zlenA;
 260   zFLTB = zlenB;
 261   zFLTC = zlenC;
 262
 263   xFST = xFLT-fDeadBndX*2;//cm
 264
 265   // Sizes of MRPC pads
 266
 267   Float_t yPad = 0.505;//cm
 268
 269   // Large not sensitive volumes with Insensitive Freon
 270   par[0] = xFLT*0.5;
 271   par[1] = yFLT*0.5;
 272
 273   if (fDebug) cout << ClassName() <<
 274                 cout <<": ************************* TOF geometry **************************"<<endl;
 275
 276   par[2] = (zFLTA *0.5);
 277   gMC->Gsvolu("FLTA", "BOX ", idtmed[512], par, 3); // Insensitive Freon
 278   gMC->Gspos ("FLTA", 0, "FTOA", 0., 0., 0., 0, "ONLY");
 279
 280   par[2] = (zFLTB * 0.5);
 281   gMC->Gsvolu("FLTB", "BOX ", idtmed[512], par, 3); // Insensitive Freon
 282   gMC->Gspos ("FLTB", 0, "FTOB", 0., 0., 0., 0, "ONLY");
 283
 284   par[2] = (zFLTC * 0.5);
 285   gMC->Gsvolu("FLTC", "BOX ", idtmed[512], par, 3); // Insensitive Freon
 286   gMC->Gspos ("FLTC", 0, "FTOC", 0., 0., 0., 0, "ONLY");
 287
 288   ///// Layers of Aluminum before and after detector /////
 289   ///// Aluminum Box for Modules (1.8 mm thickness)  /////
 290   ///// lateral walls not simulated for the time being
 291   //const Float_t khAlWall = 0.18;
 292   // fp to be checked
 293   const Float_t khAlWall = 0.11;
 294   par[0] = xFLT*0.5;
 295   par[1] = khAlWall/2.;//cm
 296   ycoor = -yFLT/2 + par[1];
 297   par[2] = (zFLTA *0.5);
 298   gMC->Gsvolu("FALA", "BOX ", idtmed[508], par, 3); // Alluminium
 299   gMC->Gspos ("FALA", 1, "FLTA", 0., ycoor, 0., 0, "ONLY");
 300   gMC->Gspos ("FALA", 2, "FLTA", 0.,-ycoor, 0., 0, "ONLY");
 301   par[2] = (zFLTB *0.5);
 302   gMC->Gsvolu("FALB", "BOX ", idtmed[508], par, 3); // Alluminium
 303   gMC->Gspos ("FALB", 1, "FLTB", 0., ycoor, 0., 0, "ONLY");
 304   gMC->Gspos ("FALB", 2, "FLTB", 0.,-ycoor, 0., 0, "ONLY");
 305   par[2] = (zFLTC *0.5);
 306   gMC->Gsvolu("FALC", "BOX ", idtmed[508], par, 3); // Alluminium
 307   gMC->Gspos ("FALC", 1, "FLTC", 0., ycoor, 0., 0, "ONLY");
 308   gMC->Gspos ("FALC", 2, "FLTC", 0.,-ycoor, 0., 0, "ONLY");
 309
 310   ///////////////// Detector itself //////////////////////
 311
 312   const Float_t  kdeadBound  =  fDeadBndZ; //cm non-sensitive between the pad edge
 313   //and the boundary of the strip
 314   const Int_t    knx    = fNpadX;          // number of pads along x
 315   const Int_t    knz    = fNpadZ;          // number of pads along z
 316   const Float_t  kspace = fSpace;            //cm distance from the front plate of the box
 317
 318   Float_t zSenStrip  = fZpad*fNpadZ;//cm
 319   Float_t stripWidth = zSenStrip + 2*kdeadBound;
 320
 321   par[0] = xFLT*0.5;
 322   par[1] = yPad*0.5;
 323   par[2] = stripWidth*0.5;
 324
 325   // new description for strip volume -double stack strip-
 326   // -- all constants are expressed in cm
 327   // heigth of different layers
 328   const Float_t khhony = 0.8     ;   // heigth of HONY  Layer
 329   const Float_t khpcby = 0.08    ;   // heigth of PCB   Layer
 330   const Float_t khmyly = 0.035   ;   // heigth of MYLAR Layer
 331   const Float_t khgraphy = 0.02  ;   // heigth of GRAPHITE Layer
 332   const Float_t khglasseiy = 0.135;   // 0.6 Ext. Glass + 1.1 i.e. (Int. Glass/2) (mm)
 333   const Float_t khsensmy = 0.11  ;   // heigth of Sensitive Freon Mixture
 334   const Float_t kwsensmz = 2*3.5 ;   // cm
 335   const Float_t klsensmx = 48*2.5;   // cm
 336   const Float_t kwpadz = 3.5;   // cm z dimension of the FPAD volume
 337   const Float_t klpadx = 2.5;   // cm x dimension of the FPAD volume
 338
 339   // heigth of the FSTR Volume (the strip volume)
 340   const Float_t khstripy = 2*khhony+3*khpcby+4*(khmyly+khgraphy+khglasseiy)+2*khsensmy;
 341   // width  of the FSTR Volume (the strip volume)
 342   const Float_t kwstripz = 10.;
 343   // length of the FSTR Volume (the strip volume)
 344   const Float_t klstripx = 122.;
 345
 346   Float_t parfp[3]={klstripx*0.5,khstripy*0.5,kwstripz*0.5};
 347   // coordinates of the strip center in the strip reference frame; used for positioning
 348   // internal strip volumes
 349   Float_t posfp[3]={0.,0.,0.};
 350
 351
 352   // FSTR volume definition and filling this volume with non sensitive Gas Mixture
 353   gMC->Gsvolu("FSTR","BOX",idtmed[512],parfp,3);
 354   //-- HONY Layer definition
 355   //  parfp[0] = -1;
 356   parfp[1] = khhony*0.5;
 357   //  parfp[2] = -1;
 358   gMC->Gsvolu("FHON","BOX",idtmed[503],parfp,3);
 359   // positioning 2 HONY Layers on FSTR volume
 360
 361   posfp[1]=-khstripy*0.5+parfp[1];
 362   gMC->Gspos("FHON",1,"FSTR",0., posfp[1],0.,0,"ONLY");
 363   gMC->Gspos("FHON",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
 364
 365   //-- PCB Layer definition
 366   parfp[1] = khpcby*0.5;
 367   gMC->Gsvolu("FPCB","BOX",idtmed[504],parfp,3);
 368   // positioning 2 PCB Layers on FSTR volume
 369   posfp[1]=-khstripy*0.5+khhony+parfp[1];
 370   gMC->Gspos("FPCB",1,"FSTR",0., posfp[1],0.,0,"ONLY");
 371   gMC->Gspos("FPCB",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
 372   // positioning the central PCB layer
 373   gMC->Gspos("FPCB",3,"FSTR",0.,0.,0.,0,"ONLY");
 374
 375
 376
 377   //-- MYLAR Layer definition
 378   parfp[1] = khmyly*0.5;
 379   gMC->Gsvolu("FMYL","BOX",idtmed[511],parfp,3);
 380   // positioning 2 MYLAR Layers on FSTR volume
 381   posfp[1] = -khstripy*0.5+khhony+khpcby+parfp[1];
 382   gMC->Gspos("FMYL",1,"FSTR",0., posfp[1],0.,0,"ONLY");
 383   gMC->Gspos("FMYL",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
 384   // adding further 2 MYLAR Layers on FSTR volume
 385   posfp[1] = khpcby*0.5+parfp[1];
 386   gMC->Gspos("FMYL",3,"FSTR",0., posfp[1],0.,0,"ONLY");
 387   gMC->Gspos("FMYL",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
 388
 389
 390   //-- Graphite Layer definition
 391   parfp[1] = khgraphy*0.5;
 392   gMC->Gsvolu("FGRP","BOX",idtmed[502],parfp,3);
 393   // positioning 2 Graphite Layers on FSTR volume
 394   posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+parfp[1];
 395   gMC->Gspos("FGRP",1,"FSTR",0., posfp[1],0.,0,"ONLY");
 396   gMC->Gspos("FGRP",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
 397   // adding further 2 Graphite Layers on FSTR volume
 398   posfp[1] = khpcby*0.5+khmyly+parfp[1];
 399   gMC->Gspos("FGRP",3,"FSTR",0., posfp[1],0.,0,"ONLY");
 400   gMC->Gspos("FGRP",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
 401
 402
 403   //-- Glass (EXT. +Semi INT.) Layer definition
 404   parfp[1] = khglasseiy*0.5;
 405   gMC->Gsvolu("FGLA","BOX",idtmed[514],parfp,3);
 406   // positioning 2 Glass Layers on FSTR volume
 407   posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+khgraphy+parfp[1];
 408   gMC->Gspos("FGLA",1,"FSTR",0., posfp[1],0.,0,"ONLY");
 409   gMC->Gspos("FGLA",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
 410   // adding further 2 Glass Layers on FSTR volume
 411   posfp[1] = khpcby*0.5+khmyly+khgraphy+parfp[1];
 412   gMC->Gspos("FGLA",3,"FSTR",0., posfp[1],0.,0,"ONLY");
 413   gMC->Gspos("FGLA",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
 414
 415
 416   //-- Sensitive Mixture Layer definition
 417   parfp[0] = klsensmx*0.5;
 418   parfp[1] = khsensmy*0.5;
 419   parfp[2] = kwsensmz*0.5;
 420   gMC->Gsvolu("FSEN","BOX",idtmed[513],parfp,3);
 421   gMC->Gsvolu("FNSE","BOX",idtmed[512],parfp,3);
 422   // positioning 2 gas Layers on FSTR volume
 423   // the upper is insensitive freon
 424   // while the remaining is sensitive
 425   posfp[1] = khpcby*0.5+khmyly+khgraphy+khglasseiy+parfp[1];
 426   gMC->Gspos("FNSE",0,"FSTR", 0., posfp[1],0.,0,"ONLY");
 427   gMC->Gspos("FSEN",0,"FSTR", 0.,-posfp[1],0.,0,"ONLY");
 428
 429   // dividing FSEN along z in knz=2 and along x in knx=48
 430   gMC->Gsdvn("FSEZ","FSEN",knz,3);
 431   gMC->Gsdvn("FSEX","FSEZ",knx,1);
 432
 433   // FPAD volume definition
 434   parfp[0] = klpadx*0.5;
 435   parfp[1] = khsensmy*0.5;
 436   parfp[2] = kwpadz*0.5;
 437   gMC->Gsvolu("FPAD","BOX",idtmed[513],parfp,3);
 438   // positioning the FPAD volumes on previous divisions
 439   gMC->Gspos("FPAD",0,"FSEX",0.,0.,0.,0,"ONLY");
 440
 441   ////  Positioning the Strips  (FSTR) in the FLT volumes  /////
 442
 443   // Plate A (Central)
 444
 445   Float_t t = zFLTC+zFLTB+zFLTA*0.5+ 2*db;//Half Width of Barrel
 446
 447   Float_t gap  = fGapA+0.5; //cm  updated distance between the strip axis
 448   Float_t zpos = 0;
 449   Float_t ang  = 0;
 450   Int_t j=1; // AdC
 451   nrot  = 0;
 452   zcoor = 0;
 453   ycoor = -14.5 + kspace ; //2 cm over front plate
 454
 455   AliMatrix (idrotm[0],  90.,  0.,90.,90.,0., 90.);
 456
 457   Int_t centerLoc= (Int_t)(fNStripA/2.) + 1; // AdC
 458
 459   //gMC->Gspos("FSTR",j,"FLTA",0.,ycoor, 0.,idrotm[0],"ONLY");
 460   gMC->Gspos("FSTR",centerLoc,"FLTA",0.,ycoor, 0.,idrotm[0],"ONLY"); // AdC
 461   if(fDebug>=1) {
 462     printf("%s: %f,  St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,j); // AdC
 463     printf("y = %f,  z = %f, zpos = %f \n",ycoor,zcoor,zpos);
 464   }
 465   zcoor -= zSenStrip;
 466   //j++; // AdC
 467   Int_t upDown = -1; // upDown=-1 -> Upper strip
 468                      // upDown=+1 -> Lower strip
 469   do{
 470     ang = atan(zcoor/radius);
 471     ang *= kRaddeg;
 472     AliMatrix (idrotm[nrot],  90.,  0.,90.-ang,90.,-ang, 90.);
 473     AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
 474     ang /= kRaddeg;
 475     ycoor = -14.5+ kspace; //2 cm over front plate
 476     ycoor += (1-(upDown+1)/2)*gap;
 477     //gMC->Gspos("FSTR",j  ,"FLTA",0.,ycoor, zcoor,idrotm[nrot],  "ONLY");
 478     //gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
 479     gMC->Gspos("FSTR",centerLoc-j,"FLTA",0.,ycoor, zcoor,idrotm[nrot],  "ONLY"); // AdC
 480     gMC->Gspos("FSTR",centerLoc+j,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY"); // AdC
 481     if(fDebug>=1) {
 482       printf("%s: %f,  St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,j); // AdC
 483       printf("y = %f,  z = %f, zpos = %f \n",ycoor,zcoor,zpos);
 484     }
 485     j++; //j += 2; // AdC
 486     upDown*= -1; // Alternate strips
 487     zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
 488       upDown*gap*TMath::Tan(ang)-
 489       (zSenStrip/2)/TMath::Cos(ang);
 490   } while (zcoor-(stripWidth/2)*TMath::Cos(ang)>-t+zFLTC+zFLTB+db*2);
 491
 492   zcoor = zcoor+(zSenStrip/2)/TMath::Cos(ang)+
 493     upDown*gap*TMath::Tan(ang)+
 494     (zSenStrip/2)/TMath::Cos(ang);
 495
 496   gap = fGapB;
 497   zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
 498     upDown*gap*TMath::Tan(ang)-
 499     (zSenStrip/2)/TMath::Cos(ang);
 500
 501   ang = atan(zcoor/radius);
 502   ang *= kRaddeg;
 503   AliMatrix (idrotm[nrot],  90.,  0.,90.-ang,90.,-ang, 90.);
 504   AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
 505   ang /= kRaddeg;
 506
 507   ycoor = -14.5+ kspace; //2 cm over front plate
 508   ycoor += (1-(upDown+1)/2)*gap;
 509   //gMC->Gspos("FSTR",j  ,"FLTA",0.,ycoor, zcoor,idrotm[nrot],  "ONLY");
 510   //gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
 511   gMC->Gspos("FSTR",centerLoc-j,"FLTA",0.,ycoor, zcoor,idrotm[nrot],  "ONLY"); // AdC
 512   gMC->Gspos("FSTR",centerLoc+j,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY"); // AdC
 513   if(fDebug>=1) {
 514     printf("%s: %f,  St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,j); // AdC
 515     printf("y = %f,  z = %f, zpos = %f \n",ycoor,zcoor,zpos);
 516   }
 517   ycoor = -hTof/2.+ kspace;//2 cm over front plate
 518
 519   // Plate  B
 520
 521   nrot = 0;
 522   Int_t i=1; // AdC
 523   upDown = 1;
 524   Float_t deadRegion = 1.0;//cm
 525
 526   zpos = zcoor - (zSenStrip/2)/TMath::Cos(ang)-
 527     upDown*gap*TMath::Tan(ang)-
 528     (zSenStrip/2)/TMath::Cos(ang)-
 529     deadRegion/TMath::Cos(ang);
 530
 531   ang = atan(zpos/radius);
 532   ang *= kRaddeg;
 533   AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
 534   ang /= kRaddeg;
 535   ycoor = -hTof*0.5+ kspace ; //2 cm over front plate
 536   ycoor += (1-(upDown+1)/2)*gap;
 537   zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
 538   gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
 539   if(fDebug>=1) {
 540     printf("%s: %f,  St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
 541     printf("y = %f,  z = %f, zpos = %f \n",ycoor,zcoor,zpos);
 542    }
 543   i++;
 544   upDown*=-1;
 545
 546   do {
 547     zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)-
 548       upDown*gap*TMath::Tan(ang)-
 549       (zSenStrip/2)/TMath::Cos(ang);
 550     ang = atan(zpos/radius);
 551     ang *= kRaddeg;
 552     AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
 553     ang /= kRaddeg;
 554     Float_t deltaSpaceinB=-0.5; // [cm] to avoid overlaps with the end of freon frame
 555     Float_t deltaGapinB=0.5;    // [cm] to avoid overlaps in between initial strips
 556     ycoor = -hTof*0.5+ kspace+deltaSpaceinB ; //2 cm over front plate
 557     ycoor += (1-(upDown+1)/2)*(gap+deltaGapinB);
 558     zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
 559     gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
 560     if(fDebug>=1) {
 561       printf("%s: %f,  St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
 562       printf("y = %f,  z = %f, zpos = %f \n",ycoor,zcoor,zpos);
 563     }
 564     upDown*=-1;
 565     i++;
 566   } while (TMath::Abs(ang*kRaddeg)<22.5);
 567   //till we reach a tilting angle of 22.5 degrees
 568
 569   ycoor = -hTof*0.5+ kspace ; //2 cm over front plate
 570   zpos = zpos - zSenStrip/TMath::Cos(ang);
 571   // this avoid overlaps in between outer strips in plate B
 572   Float_t deltaMovingUp=0.8;    // [cm]
 573   Float_t deltaMovingDown=-0.5; // [cm]
 574
 575   do {
 576     ang = atan(zpos/radius);
 577     ang *= kRaddeg;
 578     AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
 579     ang /= kRaddeg;
 580     zcoor = zpos+(zFLTB/2+zFLTA/2+db);
 581     gMC->Gspos("FSTR",i, "FLTB", 0., ycoor+deltaMovingDown+deltaMovingUp, zcoor,idrotm[nrot], "ONLY");
 582     deltaMovingUp+=0.8; // update delta moving toward the end of the plate
 583     zpos = zpos - zSenStrip/TMath::Cos(ang);
 584     if(fDebug>=1) {
 585       printf("%s: %f,  St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
 586       printf("y = %f,  z = %f, zpos = %f \n",ycoor,zcoor,zpos);
 587     }
 588     i++;
 589
 590   }  while (zpos-stripWidth*0.5/TMath::Cos(ang)>-t+zFLTC+db);
 591
 592   // Plate  C
 593
 594   zpos = zpos + zSenStrip/TMath::Cos(ang);
 595
 596   zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)+
 597     gap*TMath::Tan(ang)-
 598     (zSenStrip/2)/TMath::Cos(ang);
 599
 600   nrot = 0;
 601   i=0;
 602   Float_t deltaGap=-2.5; // [cm] update distance from strip center and plate
 603   ycoor= -hTof*0.5+kspace+gap+deltaGap;
 604
 605   do {
 606     i++;
 607     ang = atan(zpos/radius);
 608     ang *= kRaddeg;
 609     AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
 610     ang /= kRaddeg;
 611     zcoor = zpos+(zFLTC*0.5+zFLTB+zFLTA*0.5+db*2);
 612     gMC->Gspos("FSTR",i, "FLTC", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
 613     if(fDebug>=1) {
 614       printf("%s: %f,  St. %2i, Pl.5 ",ClassName(),ang*kRaddeg,i);
 615       printf("y = %f,  z = %f, zpos = %f \n",ycoor,zcoor,zpos);
 616     }
 617     zpos = zpos - zSenStrip/TMath::Cos(ang);
 618   }  while (zpos-stripWidth*TMath::Cos(ang)*0.5>-t);
 619
 620
 621   ////////// Layers after strips /////////////////
 622   // Al Layer thickness (2.3mm) factor 0.7
 623
 624   Float_t overSpace = fOverSpc;//cm
 625
 626   par[0] = xFLT*0.5;
 627   par[1] = 0.115*0.7; // factor 0.7
 628   par[2] = (zFLTA *0.5);
 629   ycoor = -yFLT/2 + overSpace + par[1];
 630   gMC->Gsvolu("FPEA", "BOX ", idtmed[508], par, 3); // Al
 631   gMC->Gspos ("FPEA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
 632   par[2] = (zFLTB *0.5);
 633   gMC->Gsvolu("FPEB", "BOX ", idtmed[508], par, 3); // Al
 634   gMC->Gspos ("FPEB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
 635   par[2] = (zFLTC *0.5);
 636   gMC->Gsvolu("FPEC", "BOX ", idtmed[508], par, 3); // Al
 637   gMC->Gspos ("FPEC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
 638
 639
 640   // plexiglass thickness: 1.5 mm ; factor 0.3
 641   ycoor += par[1];
 642   par[0] = xFLT*0.5;
 643   par[1] = 0.075*0.3; // factor 0.3
 644   par[2] = (zFLTA *0.5);
 645   ycoor += par[1];
 646   gMC->Gsvolu("FECA", "BOX ", idtmed[505], par, 3); // Plexigl.
 647   gMC->Gspos ("FECA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
 648   par[2] = (zFLTB *0.5);
 649   gMC->Gsvolu("FECB", "BOX ", idtmed[505], par, 3); // Plexigl.
 650   gMC->Gspos ("FECB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
 651   par[2] = (zFLTC *0.5);
 652   gMC->Gsvolu("FECC", "BOX ", idtmed[505], par, 3); // Plexigl.
 653   gMC->Gspos ("FECC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
 654
 655   // frame of Air
 656   ycoor += par[1];
 657   par[0] = xFLT*0.5;
 658   par[1] = (yFLT/2-ycoor-khAlWall)*0.5; // Aluminum layer considered (0.18 cm)
 659   par[2] = (zFLTA *0.5);
 660   ycoor += par[1];
 661   gMC->Gsvolu("FAIA", "BOX ", idtmed[500], par, 3); // Air
 662   gMC->Gspos ("FAIA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
 663   par[2] = (zFLTB *0.5);
 664   gMC->Gsvolu("FAIB", "BOX ", idtmed[500], par, 3); // Air
 665   gMC->Gspos ("FAIB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
 666   par[2] = (zFLTC *0.5);
 667   gMC->Gsvolu("FAIC", "BOX ", idtmed[500], par, 3); // Air
 668   gMC->Gspos ("FAIC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
 669
 670
 671   // start with cards and cooling tubes
 672   // finally, cards, cooling tubes and layer for thermal dispersion
 673   // 3 volumes
 674   // card volume definition
 675
 676   // see GEOM200 in GEANT manual
 677   AliMatrix(idrotm[98], 90., 0., 90., 90., 0., 0.); // 0 deg
 678
 679   Float_t cardpar[3];
 680   cardpar[0]= 61.;
 681   cardpar[1]= 5.;
 682   cardpar[2]= 0.1;
 683   gMC->Gsvolu("FCAR", "BOX ", idtmed[504], cardpar, 3); // PCB Card
 684   //alu plate volume definition
 685   cardpar[1]= 3.5;
 686   cardpar[2]= 0.05;
 687   gMC->Gsvolu("FALP", "BOX ", idtmed[508], cardpar, 3); // Alu Plate
 688
 689
 690   // central module positioning (FAIA)
 691   Float_t cardpos[3], aplpos2, stepforcardA=6.625;
 692   cardpos[0]= 0.;
 693   cardpos[1]= -0.5;
 694   cardpos[2]= -53.;
 695   Float_t aplpos1 = -2.;
 696   Int_t icard;
 697   for (icard=0; icard<15; ++icard) {
 698     cardpos[2]= cardpos[2]+stepforcardA;
 699     aplpos2 = cardpos[2]+0.15;
 700     gMC->Gspos("FCAR",icard,"FAIA",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
 701     gMC->Gspos("FALP",icard,"FAIA",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
 702
 703   }
 704
 705
 706   // intermediate module positioning (FAIB)
 707   Float_t stepforcardB= 7.05;
 708   cardpos[2]= -70.5;
 709   for (icard=0; icard<19; ++icard) {
 710     cardpos[2]= cardpos[2]+stepforcardB;
 711     aplpos2 = cardpos[2]+0.15;
 712     gMC->Gspos("FCAR",icard,"FAIB",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
 713     gMC->Gspos("FALP",icard,"FAIB",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
 714   }
 715
 716
 717   // outer module positioning (FAIC)
 718   Float_t stepforcardC= 8.45238;
 719   cardpos[2]= -88.75;
 720   for (icard=0; icard<20; ++icard) {
 721     cardpos[2]= cardpos[2]+stepforcardC;
 722     aplpos2 = cardpos[2]+0.15;
 723     gMC->Gspos("FCAR",icard,"FAIC",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
 724     gMC->Gspos("FALP",icard,"FAIC",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
 725   }
 726
 727   // tube volume definition
 728   Float_t tubepar[3];
 729   tubepar[0]= 0.;
 730   tubepar[1]= 0.4;
 731   tubepar[2]= 61.;
 732   gMC->Gsvolu("FTUB", "TUBE", idtmed[516], tubepar, 3); // cooling tubes (steel)
 733   tubepar[0]= 0.;
 734   tubepar[1]= 0.35;
 735   tubepar[2]= 61.;
 736   gMC->Gsvolu("FITU", "TUBE", idtmed[515], tubepar, 3); // cooling water
 737   // positioning water tube into the steel one
 738   gMC->Gspos("FITU",1,"FTUB",0.,0.,0.,0,"ONLY");
 739
 740
 741   // rotation matrix
 742   AliMatrix(idrotm[99], 180., 90., 90., 90., 90., 0.);
 743   // central module positioning (FAIA)
 744   Float_t tubepos[3], tdis=0.6;
 745   tubepos[0]= 0.;
 746   tubepos[1]= cardpos[1];
 747   tubepos[2]= -53.+tdis;
 748   //  tub1pos = 5.;
 749   Int_t itub;
 750   for (itub=0; itub<15; ++itub) {
 751     tubepos[2]= tubepos[2]+stepforcardA;
 752     gMC->Gspos("FTUB",itub,"FAIA",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
 753                "ONLY");
 754   }
 755
 756
 757   // intermediate module positioning (FAIB)
 758   tubepos[2]= -70.5+tdis;
 759   for (itub=0; itub<19; ++itub) {
 760     tubepos[2]= tubepos[2]+stepforcardB;
 761     gMC->Gspos("FTUB",itub,"FAIB",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
 762                "ONLY");
 763   }
 764
 765   // outer module positioning (FAIC)
 766   tubepos[2]= -88.75+tdis;
 767   for (itub=0; itub<20; ++itub) {
 768     tubepos[2]= tubepos[2]+stepforcardC;
 769     gMC->Gspos("FTUB",itub,"FAIC",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
 770                "ONLY");
 771   }
 772
 773 }
 774
 775 //_____________________________________________________________________________
 776 void AliTOFv3::DrawModule() const
 777 {
 778   //
 779   // Draw a shaded view of the Time Of Flight version 3
 780   //
 781   // Set everything unseen
 782   gMC->Gsatt("*", "seen", -1);
 783   //
 784   // Set ALIC mother transparent
 785   gMC->Gsatt("ALIC","SEEN",0);
 786   //
 787   // Set the volumes visible
 788   gMC->Gsatt("ALIC","SEEN",0);
 789
 790   gMC->Gsatt("FTOA","SEEN",1);
 791   gMC->Gsatt("FTOB","SEEN",1);
 792   gMC->Gsatt("FTOC","SEEN",1);
 793   gMC->Gsatt("FLTA","SEEN",1);
 794   gMC->Gsatt("FLTB","SEEN",1);
 795   gMC->Gsatt("FLTC","SEEN",1);
 796   gMC->Gsatt("FPLA","SEEN",1);
 797   gMC->Gsatt("FPLB","SEEN",1);
 798   gMC->Gsatt("FPLC","SEEN",1);
 799   gMC->Gsatt("FSTR","SEEN",1);
 800   gMC->Gsatt("FPEA","SEEN",1);
 801   gMC->Gsatt("FPEB","SEEN",1);
 802   gMC->Gsatt("FPEC","SEEN",1);
 803
 804   gMC->Gsatt("FLZ1","SEEN",0);
 805   gMC->Gsatt("FLZ2","SEEN",0);
 806   gMC->Gsatt("FLZ3","SEEN",0);
 807   gMC->Gsatt("FLX1","SEEN",0);
 808   gMC->Gsatt("FLX2","SEEN",0);
 809   gMC->Gsatt("FLX3","SEEN",0);
 810   gMC->Gsatt("FPAD","SEEN",0);
 811
 812   gMC->Gdopt("hide", "on");
 813   gMC->Gdopt("shad", "on");
 814   gMC->Gsatt("*", "fill", 7);
 815   gMC->SetClipBox(".");
 816   gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
 817   gMC->DefaultRange();
 818   gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02);
 819   gMC->Gdhead(1111, "Time Of Flight");
 820   gMC->Gdman(18, 4, "MAN");
 821   gMC->Gdopt("hide","off");
 822 }
 823 //_____________________________________________________________________________
 824 void AliTOFv3::DrawDetectorModules()
 825 {
 826 //
 827 // Draw a shaded view of the TOF detector version 3
 828 //
 829
 830 //Set ALIC mother transparent
 831  gMC->Gsatt("ALIC","SEEN",0);
 832
 833 //
 834 //Set volumes visible
 835 //
 836 //=====> Level 1
 837   // Level 1 for TOF volumes
 838   gMC->Gsatt("B077","seen",0);
 839
 840
 841 //==========> Level 2
 842   // Level 2
 843   gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
 844   gMC->Gsatt("B071","seen",0);
 845   gMC->Gsatt("B074","seen",0);
 846   gMC->Gsatt("B075","seen",0);
 847   gMC->Gsatt("B080","seen",0); // B080 does not has sub-level
 848
 849
 850   // Level 2 of B071
 851   gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped   -
 852   gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped   -
 853   gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped   -
 854   gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped   -
 855   gMC->Gsatt("B056","seen",0);  // B056 does not has sub-levels  -
 856   gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped   -
 857   gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped   -
 858   gMC->Gsatt("BTR1","seen",0);  // BTR1 do not have sub-levels   -
 859   gMC->Gsatt("BTO1","seen",0);
 860
 861
 862   // Level 2 of B074
 863   gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
 864   gMC->Gsatt("BTO2","seen",0);
 865
 866   // Level 2 of B075
 867   gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
 868   gMC->Gsatt("BTO3","seen",0);
 869
 870 // ==================> Level 3
 871   // Level 3 of B071 / Level 2 of BTO1
 872   gMC->Gsatt("FTOC","seen",-2);
 873   gMC->Gsatt("FTOB","seen",-2);
 874   gMC->Gsatt("FTOA","seen",-2);
 875
 876   // Level 3 of B074 / Level 2 of BTO2
 877   // -> cfr previous settings
 878
 879   // Level 3 of B075 / Level 2 of BTO3
 880   // -> 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 detector V1");
 890   gMC->Gdman(18, 4, "MAN");
 891   gMC->Gdopt("hide","off");
 892 }
 893
 894 //_____________________________________________________________________________
 895 void AliTOFv3::DrawDetectorStrips()
 896 {
 897 //
 898 // Draw a shaded view of the TOF strips for version 3
 899 //
 900
 901 //Set ALIC mother transparent
 902  gMC->Gsatt("ALIC","SEEN",0);
 903
 904 //
 905 //Set volumes visible
 906 //=====> Level 1
 907   // Level 1 for TOF volumes
 908   gMC->Gsatt("B077","seen",0);
 909
 910 //==========> Level 2
 911   // Level 2
 912   gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
 913   gMC->Gsatt("B071","seen",0);
 914   gMC->Gsatt("B074","seen",0);
 915   gMC->Gsatt("B075","seen",0);
 916   gMC->Gsatt("B080","seen",0); // B080 does not has sub-level
 917
 918   // Level 2 of B071
 919   gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped   -
 920   gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped   -
 921   gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped   -
 922   gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped   -
 923   gMC->Gsatt("B056","seen",0);  // B056 does not has sub-levels  -
 924   gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped   -
 925   gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped   -
 926   gMC->Gsatt("BTR1","seen",0);  // BTR1 do not have sub-levels   -
 927   gMC->Gsatt("BTO1","seen",0);
 928
 929 // ==================> Level 3
 930   // Level 3 of B071 / Level 2 of BTO1
 931   gMC->Gsatt("FTOC","seen",0);
 932   gMC->Gsatt("FTOB","seen",0);
 933   gMC->Gsatt("FTOA","seen",0);
 934
 935   // Level 3 of B074 / Level 2 of BTO2
 936   // -> cfr previous settings
 937
 938   // Level 3 of B075 / Level 2 of BTO3
 939   // -> cfr previous settings
 940
 941
 942 // ==========================> Level 4
 943   // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOC
 944   gMC->Gsatt("FLTC","seen",0);
 945   // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOB
 946   gMC->Gsatt("FLTB","seen",0);
 947   // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOA
 948   gMC->Gsatt("FLTA","seen",0);
 949
 950   // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOC
 951   // -> cfr previous settings
 952   // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOB
 953   // -> cfr previous settings
 954
 955   // Level 4 of B075 / Level 3 of BTO3 / Level 2 of FTOC
 956   // -> cfr previous settings
 957
 958 //======================================> Level 5
 959   // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOC / Level 2 of FLTC
 960   gMC->Gsatt("FALC","seen",0); // no children for FALC
 961   gMC->Gsatt("FSTR","seen",-2);
 962   gMC->Gsatt("FPEC","seen",0); // no children for FPEC
 963   gMC->Gsatt("FECC","seen",0); // no children for FECC
 964   gMC->Gsatt("FWAC","seen",0); // no children for FWAC
 965   gMC->Gsatt("FAIC","seen",0); // no children for FAIC
 966
 967   // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOB / Level 2 of FLTB
 968   gMC->Gsatt("FALB","seen",0); // no children for FALB
 969 //-->  gMC->Gsatt("FSTR","seen",-2);
 970
 971
 972   // -> cfr previous settings
 973   gMC->Gsatt("FPEB","seen",0); // no children for FPEB
 974   gMC->Gsatt("FECB","seen",0); // no children for FECB
 975   gMC->Gsatt("FWAB","seen",0); // no children for FWAB
 976   gMC->Gsatt("FAIB","seen",0); // no children for FAIB
 977
 978   // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOA / Level 2 of FLTA
 979   gMC->Gsatt("FALA","seen",0); // no children for FALB
 980 //-->  gMC->Gsatt("FSTR","seen",-2);
 981   // -> cfr previous settings
 982   gMC->Gsatt("FPEA","seen",0); // no children for FPEA
 983   gMC->Gsatt("FECA","seen",0); // no children for FECA
 984   gMC->Gsatt("FWAA","seen",0); // no children for FWAA
 985   gMC->Gsatt("FAIA","seen",0); // no children for FAIA
 986
 987   // Level 2 of B074
 988   gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
 989   gMC->Gsatt("BTO2","seen",0);
 990
 991   // Level 2 of B075
 992   gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
 993   gMC->Gsatt("BTO3","seen",0);
 994
 995 // for others Level 5, cfr. previous settings
 996
 997   gMC->Gdopt("hide","on");
 998   gMC->Gdopt("shad","on");
 999   gMC->Gsatt("*", "fill", 5);
1000   gMC->SetClipBox(".");
1001   gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
1002   gMC->DefaultRange();
1003   gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
1004   gMC->Gdhead(1111,"TOF Strips V1");
1005   gMC->Gdman(18, 4, "MAN");
1006   gMC->Gdopt("hide","off");
1007 }
1008
1009 //_____________________________________________________________________________
1010 void AliTOFv3::CreateMaterials()
1011 {
1012   //
1013   // Define materials for the Time Of Flight
1014   //
1015   AliTOF::CreateMaterials();
1016 }
1017
1018 //_____________________________________________________________________________
1019 void AliTOFv3::Init()
1020 {
1021   //
1022   // Initialise the detector after the geometry has been defined
1023   //
1024   if(fDebug) {
1025     printf("%s: **************************************"
1026            "  TOF  "
1027            "**************************************\n",ClassName());
1028     printf("\n%s   Version 3 of TOF initialing, "
1029                 "TOF with holes for RICH detector\n",ClassName());
1030   }
1031
1032   AliTOF::Init();
1033
1034   fIdFTOA = gMC->VolId("FTOA");
1035   fIdFTOB = gMC->VolId("FTOB");
1036   fIdFTOC = gMC->VolId("FTOC");
1037   fIdFLTA = gMC->VolId("FLTA");
1038   fIdFLTB = gMC->VolId("FLTB");
1039   fIdFLTC = gMC->VolId("FLTC");
1040
1041  if(fDebug) {
1042     printf("%s: **************************************"
1043            "  TOF  "
1044            "**************************************\n",ClassName());
1045  }
1046 }
1047
1048 //_____________________________________________________________________________
1049 void AliTOFv3::StepManager()
1050 {
1051   //
1052   // Procedure called at each step in the Time Of Flight
1053   //
1054   TLorentzVector mom, pos;
1055   Float_t xm[3],pm[3],xpad[3],ppad[3];
1056   Float_t hits[13],phi,phid,z;
1057   Int_t   vol[5];
1058   Int_t   sector, plate, padx, padz, strip;
1059   Int_t   copy, padzid, padxid, stripid, i;
1060   Int_t   *idtmed = fIdtmed->GetArray()-499;
1061   Float_t incidenceAngle;
1062
1063   if(gMC->GetMedium()==idtmed[513] &&
1064      gMC->IsTrackEntering() && gMC->TrackCharge()
1065      && gMC->CurrentVolID(copy)==fIdSens)
1066   {
1067     // getting information about hit volumes
1068
1069     padzid=gMC->CurrentVolOffID(2,copy);
1070     padz=copy;
1071
1072     padxid=gMC->CurrentVolOffID(1,copy);
1073     padx=copy;
1074
1075     stripid=gMC->CurrentVolOffID(4,copy);
1076     strip=copy;
1077
1078     gMC->TrackPosition(pos);
1079     gMC->TrackMomentum(mom);
1080
1081 //    Double_t NormPos=1./pos.Rho();
1082     Double_t normMom=1./mom.Rho();
1083
1084 //  getting the cohordinates in pad ref system
1085     xm[0] = (Float_t)pos.X();
1086     xm[1] = (Float_t)pos.Y();
1087     xm[2] = (Float_t)pos.Z();
1088
1089     pm[0] = (Float_t)mom.X()*normMom;
1090     pm[1] = (Float_t)mom.Y()*normMom;
1091     pm[2] = (Float_t)mom.Z()*normMom;
1092
1093     gMC->Gmtod(xm,xpad,1);
1094     gMC->Gmtod(pm,ppad,2);
1095
1096     incidenceAngle = TMath::ACos(ppad[1])*kRaddeg;
1097
1098     z = pos[2];
1099
1100     plate = 0;
1101     if (TMath::Abs(z) <=  fZlenA*0.5)  plate = 2; //3; // AdC
1102     if (z < (fZlenA*0.5+fZlenB) &&
1103         z >  fZlenA*0.5)               plate = 1; //4; // AdC
1104     if (z >-(fZlenA*0.5+fZlenB) &&
1105         z < -fZlenA*0.5)               plate = 3; //2; // AdC
1106     if (z > (fZlenA*0.5+fZlenB))       plate = 0; //5; // AdC
1107     if (z <-(fZlenA*0.5+fZlenB))       plate = 4; //1; // AdC
1108
1109     if (plate==0) strip=AliTOFConstants::fgkNStripC-strip; // AdC
1110     else if (plate==1) strip=AliTOFConstants::fgkNStripB-strip; // AdC
1111     else strip--; // AdC
1112
1113     if (z<=0.) padx=AliTOFConstants::fgkNpadX-padx; // AdC
1114     else padx--; // AdC
1115
1116     if (plate==3 || plate==4) padz=AliTOFConstants::fgkNpadZ-padz; // AdC
1117     else padz--; // AdC
1118
1119     phi = pos.Phi();
1120     if (phi>=0.) phid = phi*kRaddeg; //+180.; // AdC
1121     else phid = phi*kRaddeg + 360.; // AdC
1122     sector = Int_t (phid/20.);
1123     //sector++; // AdC
1124
1125     for(i=0;i<3;++i) {
1126       hits[i]   = pos[i];
1127       hits[i+3] = pm[i];
1128     }
1129
1130     hits[6] = mom.Rho();
1131     hits[7] = pos[3];
1132     hits[8] = xpad[0];
1133     hits[9] = xpad[1];
1134     hits[10]= xpad[2];
1135     hits[11]= incidenceAngle;
1136     hits[12]= gMC->Edep();
1137
1138     vol[0]= sector;
1139     vol[1]= plate;
1140     vol[2]= strip;
1141     vol[3]= padx;
1142     vol[4]= padz;
1143
1144     AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(),vol, hits);
1145   }
1146 }