TOF/AliTOFv4.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 4 of the Time Of Flight    //
  21 //  detector.                                                                //
  22 //                                                                           //
  23 //  VERSION WITH 5 MODULES AND TILTED STRIPS                                 //
  24 //                                                                           //
  25 //   FULL COVERAGE VERSION                                                   //
  26 //                                                                           //
  27 //                                                                           //
  28 //   Authors:                                                                //
  29 //                                                                           //
  30 //   Alessio Seganti                                                         //
  31 //   Domenico Vicinanza                                                      //
  32 //                                                                           //
  33 //   University of Salerno - Italy                                           //
  34 //                                                                           //
  35 //   Fabrizio Pierella                                                       //
  36 //   University of Bologna - Italy                                           //
  37 //                                                                           //
  38 //                                                                           //
  39 //Begin_Html                                                                 //
  40 /*                                                                           //
  41 <img src="picts/AliTOFv4Class.gif">                                          //
  42 */                                                                           //
  43 //End_Html                                                                   //
  44 //                                                                           //
  45 ///////////////////////////////////////////////////////////////////////////////
  46
  47 #include <Riostream.h>
  48 #include <stdlib.h>
  49
  50 #include <TBRIK.h>
  51 #include <TGeometry.h>
  52 #include <TLorentzVector.h>
  53 #include <TNode.h>
  54 #include <TObject.h>
  55 #include <TVirtualMC.h>
  56
  57 #include "AliConst.h"
  58 #include "AliRun.h"
  59 #include "AliTOFv4.h"
  60 #include "AliTOFConstants.h" // AdC
  61
  62 ClassImp(AliTOFv4)
  63
  64 //_____________________________________________________________________________
  65 AliTOFv4::AliTOFv4()
  66 {
  67   //
  68   // Default constructor
  69   //
  70 }
  71
  72 //_____________________________________________________________________________
  73 AliTOFv4::AliTOFv4(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 AliTOFv4::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
 163     top->cd();
 164     node = new TNode(nodeName2,nodeName2,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),zOffsetB,rotMatNum);
 165     node->SetLineColor(kColorTOF);
 166     fNodes->Add(node);
 167
 168     top->cd();
 169     node = new TNode(nodeName3,nodeName3,"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(nodeName4,nodeName4,"S_TOF_A",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),zOffsetA,rotMatNum);
 175     node->SetLineColor(kColorTOF);
 176     fNodes->Add(node);
 177   } // end loop on nodeNum
 178 }
 179
 180
 181
 182 //_____________________________________________________________________________
 183 void AliTOFv4::CreateGeometry()
 184 {
 185   //
 186   // Create geometry for Time Of Flight version 0
 187   //
 188   //Begin_Html
 189   /*
 190     <img src="picts/AliTOFv4.gif">
 191   */
 192   //End_Html
 193   //
 194   // Creates common geometry
 195   //
 196   AliTOF::CreateGeometry();
 197 }
 198
 199 //_____________________________________________________________________________
 200 void AliTOFv4::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC,
 201                      Float_t zlenB, Float_t zlenA, Float_t ztof0)
 202 {
 203   //
 204   // Definition of the Time Of Fligh Resistive Plate Chambers
 205   // xFLT, yFLT, zFLT - sizes of TOF modules (large)
 206
 207   Float_t  ycoor, zcoor;
 208   Float_t  par[3];
 209   Int_t    *idtmed = fIdtmed->GetArray()-499;
 210   Int_t    idrotm[100];
 211   Int_t    nrot = 0;
 212   Float_t  hTof = fRmax-fRmin;
 213
 214   Float_t radius = fRmin+2.;//cm
 215
 216   par[0] =  xtof * 0.5;
 217   par[1] =  ytof * 0.5;
 218   par[2] = zlenC * 0.5;
 219   gMC->Gsvolu("FTOC", "BOX ", idtmed[506], par, 3);
 220   par[2] = zlenB * 0.5;
 221   gMC->Gsvolu("FTOB", "BOX ", idtmed[506], par, 3);
 222   par[2] = zlenA * 0.5;
 223   gMC->Gsvolu("FTOA", "BOX ", idtmed[506], par, 3);
 224
 225
 226   // Positioning of modules
 227
 228   Float_t zcor1 = ztof0 - zlenC*0.5;
 229   Float_t zcor2 = ztof0 - zlenC - zlenB*0.5;
 230   Float_t zcor3 = 0.;
 231
 232   AliMatrix(idrotm[0], 90.,  0., 0., 0., 90,-90.);
 233   AliMatrix(idrotm[1], 90.,180., 0., 0., 90, 90.);
 234   gMC->Gspos("FTOC", 1, "BTO1", 0,  zcor1, 0, idrotm[0], "ONLY");
 235   gMC->Gspos("FTOC", 2, "BTO1", 0, -zcor1, 0, idrotm[1], "ONLY");
 236   gMC->Gspos("FTOC", 1, "BTO2", 0,  zcor1, 0, idrotm[0], "ONLY");
 237   gMC->Gspos("FTOC", 2, "BTO2", 0, -zcor1, 0, idrotm[1], "ONLY");
 238   gMC->Gspos("FTOC", 1, "BTO3", 0,  zcor1, 0, idrotm[0], "ONLY");
 239   gMC->Gspos("FTOC", 2, "BTO3", 0, -zcor1, 0, idrotm[1], "ONLY");
 240
 241   gMC->Gspos("FTOB", 1, "BTO1", 0,  zcor2, 0, idrotm[0], "ONLY");
 242   gMC->Gspos("FTOB", 2, "BTO1", 0, -zcor2, 0, idrotm[1], "ONLY");
 243   gMC->Gspos("FTOB", 1, "BTO2", 0,  zcor2, 0, idrotm[0], "ONLY");
 244   gMC->Gspos("FTOB", 2, "BTO2", 0, -zcor2, 0, idrotm[1], "ONLY");
 245   gMC->Gspos("FTOB", 1, "BTO3", 0,  zcor2, 0, idrotm[0], "ONLY");
 246   gMC->Gspos("FTOB", 2, "BTO3", 0, -zcor2, 0, idrotm[1], "ONLY");
 247
 248   gMC->Gspos("FTOA", 0, "BTO1", 0, zcor3,  0, idrotm[0], "ONLY");
 249   gMC->Gspos("FTOA", 0, "BTO2", 0, zcor3,  0, idrotm[0], "ONLY");
 250   gMC->Gspos("FTOA", 0, "BTO3", 0, zcor3,  0, idrotm[0], "ONLY");
 251
 252   Float_t db = 0.5;//cm
 253   Float_t xFLT, xFST, yFLT, zFLTA, zFLTB, zFLTC;
 254
 255   xFLT = fStripLn;
 256   yFLT = ytof;
 257   zFLTA = zlenA;
 258   zFLTB = zlenB;
 259   zFLTC = zlenC;
 260
 261   xFST = xFLT-fDeadBndX*2;//cm
 262
 263   // Sizes of MRPC pads
 264
 265   Float_t yPad = 0.505;//cm
 266
 267   // Large not sensitive volumes with Insensitive Freon
 268   par[0] = xFLT*0.5;
 269   par[1] = yFLT*0.5;
 270
 271   if (fDebug) cout << ClassName() <<
 272                 ": ************************* TOF geometry **************************"<<endl;
 273
 274   par[2] = (zFLTA *0.5);
 275   gMC->Gsvolu("FLTA", "BOX ", idtmed[512], par, 3); // Insensitive Freon
 276   gMC->Gspos ("FLTA", 0, "FTOA", 0., 0., 0., 0, "ONLY");
 277
 278   par[2] = (zFLTB * 0.5);
 279   gMC->Gsvolu("FLTB", "BOX ", idtmed[512], par, 3); // Insensitive Freon
 280   gMC->Gspos ("FLTB", 0, "FTOB", 0., 0., 0., 0, "ONLY");
 281
 282   par[2] = (zFLTC * 0.5);
 283   gMC->Gsvolu("FLTC", "BOX ", idtmed[512], par, 3); // Insensitive Freon
 284   gMC->Gspos ("FLTC", 0, "FTOC", 0., 0., 0., 0, "ONLY");
 285
 286   ///// Layers of Aluminum before and after detector /////
 287   ///// Aluminum Box for Modules (1.8 mm thickness)  /////
 288   ///// lateral walls not simulated for the time being
 289   //const Float_t khAlWall = 0.18;
 290   // fp to be checked
 291   const Float_t khAlWall = 0.11;
 292   par[0] = xFLT*0.5;
 293   par[1] = khAlWall/2.;//cm
 294   ycoor = -yFLT/2 + par[1];
 295   par[2] = (zFLTA *0.5);
 296   gMC->Gsvolu("FALA", "BOX ", idtmed[508], par, 3); // Alluminium
 297   gMC->Gspos ("FALA", 1, "FLTA", 0., ycoor, 0., 0, "ONLY");
 298   gMC->Gspos ("FALA", 2, "FLTA", 0.,-ycoor, 0., 0, "ONLY");
 299   par[2] = (zFLTB *0.5);
 300   gMC->Gsvolu("FALB", "BOX ", idtmed[508], par, 3); // Alluminium
 301   gMC->Gspos ("FALB", 1, "FLTB", 0., ycoor, 0., 0, "ONLY");
 302   gMC->Gspos ("FALB", 2, "FLTB", 0.,-ycoor, 0., 0, "ONLY");
 303   par[2] = (zFLTC *0.5);
 304   gMC->Gsvolu("FALC", "BOX ", idtmed[508], par, 3); // Alluminium
 305   gMC->Gspos ("FALC", 1, "FLTC", 0., ycoor, 0., 0, "ONLY");
 306   gMC->Gspos ("FALC", 2, "FLTC", 0.,-ycoor, 0., 0, "ONLY");
 307
 308   ///////////////// Detector itself //////////////////////
 309
 310   const Float_t  kdeadBound  =  fDeadBndZ; //cm non-sensitive between the pad edge
 311   //and the boundary of the strip
 312   const Int_t    knx    = fNpadX;          // number of pads along x
 313   const Int_t    knz    = fNpadZ;          // number of pads along z
 314   const Float_t  kspace = fSpace;            //cm distance from the front plate of the box
 315
 316   Float_t zSenStrip  = fZpad*fNpadZ;//cm
 317   Float_t stripWidth = zSenStrip + 2*kdeadBound;
 318
 319   par[0] = xFLT*0.5;
 320   par[1] = yPad*0.5;
 321   par[2] = stripWidth*0.5;
 322
 323   // new description for strip volume -double stack strip-
 324   // -- all constants are expressed in cm
 325   // heigth of different layers
 326   const Float_t khhony = 0.8     ;   // heigth of HONY  Layer
 327   const Float_t khpcby = 0.08    ;   // heigth of PCB   Layer
 328   const Float_t khmyly = 0.035   ;   // heigth of MYLAR Layer
 329   const Float_t khgraphy = 0.02  ;   // heigth of GRAPHITE Layer
 330   const Float_t khglasseiy = 0.135;   // 0.6 Ext. Glass + 1.1 i.e. (Int. Glass/2) (mm)
 331   const Float_t khsensmy = 0.11  ;   // heigth of Sensitive Freon Mixture
 332   const Float_t kwsensmz = 2*3.5 ;   // cm
 333   const Float_t klsensmx = 48*2.5;   // cm
 334   const Float_t kwpadz = 3.5;   // cm z dimension of the FPAD volume
 335   const Float_t klpadx = 2.5;   // cm x dimension of the FPAD volume
 336
 337   // heigth of the FSTR Volume (the strip volume)
 338   const Float_t khstripy = 2*khhony+3*khpcby+4*(khmyly+khgraphy+khglasseiy)+2*khsensmy;
 339   // width  of the FSTR Volume (the strip volume)
 340   const Float_t kwstripz = 10.;
 341   // length of the FSTR Volume (the strip volume)
 342   const Float_t klstripx = 122.;
 343
 344   Float_t parfp[3]={klstripx*0.5,khstripy*0.5,kwstripz*0.5};
 345   // coordinates of the strip center in the strip reference frame; used for positioning
 346   // internal strip volumes
 347   Float_t posfp[3]={0.,0.,0.};
 348
 349
 350   // FSTR volume definition and filling this volume with non sensitive Gas Mixture
 351   gMC->Gsvolu("FSTR","BOX",idtmed[512],parfp,3);
 352   //-- HONY Layer definition
 353   //  parfp[0] = -1;
 354   parfp[1] = khhony*0.5;
 355   //  parfp[2] = -1;
 356   gMC->Gsvolu("FHON","BOX",idtmed[503],parfp,3);
 357   // positioning 2 HONY Layers on FSTR volume
 358
 359   posfp[1]=-khstripy*0.5+parfp[1];
 360   gMC->Gspos("FHON",1,"FSTR",0., posfp[1],0.,0,"ONLY");
 361   gMC->Gspos("FHON",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
 362
 363   //-- PCB Layer definition
 364   parfp[1] = khpcby*0.5;
 365   gMC->Gsvolu("FPCB","BOX",idtmed[504],parfp,3);
 366   // positioning 2 PCB Layers on FSTR volume
 367   posfp[1]=-khstripy*0.5+khhony+parfp[1];
 368   gMC->Gspos("FPCB",1,"FSTR",0., posfp[1],0.,0,"ONLY");
 369   gMC->Gspos("FPCB",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
 370   // positioning the central PCB layer
 371   gMC->Gspos("FPCB",3,"FSTR",0.,0.,0.,0,"ONLY");
 372
 373
 374
 375   //-- MYLAR Layer definition
 376   parfp[1] = khmyly*0.5;
 377   gMC->Gsvolu("FMYL","BOX",idtmed[511],parfp,3);
 378   // positioning 2 MYLAR Layers on FSTR volume
 379   posfp[1] = -khstripy*0.5+khhony+khpcby+parfp[1];
 380   gMC->Gspos("FMYL",1,"FSTR",0., posfp[1],0.,0,"ONLY");
 381   gMC->Gspos("FMYL",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
 382   // adding further 2 MYLAR Layers on FSTR volume
 383   posfp[1] = khpcby*0.5+parfp[1];
 384   gMC->Gspos("FMYL",3,"FSTR",0., posfp[1],0.,0,"ONLY");
 385   gMC->Gspos("FMYL",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
 386
 387
 388   //-- Graphite Layer definition
 389   parfp[1] = khgraphy*0.5;
 390   gMC->Gsvolu("FGRP","BOX",idtmed[502],parfp,3);
 391   // positioning 2 Graphite Layers on FSTR volume
 392   posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+parfp[1];
 393   gMC->Gspos("FGRP",1,"FSTR",0., posfp[1],0.,0,"ONLY");
 394   gMC->Gspos("FGRP",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
 395   // adding further 2 Graphite Layers on FSTR volume
 396   posfp[1] = khpcby*0.5+khmyly+parfp[1];
 397   gMC->Gspos("FGRP",3,"FSTR",0., posfp[1],0.,0,"ONLY");
 398   gMC->Gspos("FGRP",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
 399
 400
 401   //-- Glass (EXT. +Semi INT.) Layer definition
 402   parfp[1] = khglasseiy*0.5;
 403   gMC->Gsvolu("FGLA","BOX",idtmed[514],parfp,3);
 404   // positioning 2 Glass Layers on FSTR volume
 405   posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+khgraphy+parfp[1];
 406   gMC->Gspos("FGLA",1,"FSTR",0., posfp[1],0.,0,"ONLY");
 407   gMC->Gspos("FGLA",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
 408   // adding further 2 Glass Layers on FSTR volume
 409   posfp[1] = khpcby*0.5+khmyly+khgraphy+parfp[1];
 410   gMC->Gspos("FGLA",3,"FSTR",0., posfp[1],0.,0,"ONLY");
 411   gMC->Gspos("FGLA",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
 412
 413
 414   //-- Sensitive Mixture Layer definition
 415   parfp[0] = klsensmx*0.5;
 416   parfp[1] = khsensmy*0.5;
 417   parfp[2] = kwsensmz*0.5;
 418   gMC->Gsvolu("FSEN","BOX",idtmed[513],parfp,3);
 419   gMC->Gsvolu("FNSE","BOX",idtmed[512],parfp,3);
 420   // positioning 2 gas Layers on FSTR volume
 421   // the upper is insensitive freon
 422   // while the remaining is sensitive
 423   posfp[1] = khpcby*0.5+khmyly+khgraphy+khglasseiy+parfp[1];
 424   gMC->Gspos("FNSE",0,"FSTR", 0., posfp[1],0.,0,"ONLY");
 425   gMC->Gspos("FSEN",0,"FSTR", 0.,-posfp[1],0.,0,"ONLY");
 426
 427   // dividing FSEN along z in knz=2 and along x in knx=48
 428   gMC->Gsdvn("FSEZ","FSEN",knz,3);
 429   gMC->Gsdvn("FSEX","FSEZ",knx,1);
 430
 431   // FPAD volume definition
 432   parfp[0] = klpadx*0.5;
 433   parfp[1] = khsensmy*0.5;
 434   parfp[2] = kwpadz*0.5;
 435   gMC->Gsvolu("FPAD","BOX",idtmed[513],parfp,3);
 436   // positioning the FPAD volumes on previous divisions
 437   gMC->Gspos("FPAD",0,"FSEX",0.,0.,0.,0,"ONLY");
 438
 439   ////  Positioning the Strips  (FSTR) in the FLT volumes  /////
 440
 441   // Plate A (Central)
 442
 443   Float_t t = zFLTC+zFLTB+zFLTA*0.5+ 2*db;//Half Width of Barrel
 444
 445   Float_t gap  = fGapA+0.5; //cm  updated distance between the strip axis
 446   Float_t zpos = 0;
 447   Float_t ang  = 0;
 448   Int_t j=1; // AdC
 449   nrot  = 0;
 450   zcoor = 0;
 451   ycoor = -14.5 + kspace ; //2 cm over front plate
 452
 453   AliMatrix (idrotm[0],  90.,  0.,90.,90.,0., 90.);
 454
 455   Int_t centerLoc= (Int_t)(fNStripA/2.) + 1; // AdC
 456
 457   //gMC->Gspos("FSTR",j,"FLTA",0.,ycoor, 0.,idrotm[0],"ONLY");
 458   gMC->Gspos("FSTR",centerLoc,"FLTA",0.,ycoor, 0.,idrotm[0],"ONLY"); // AdC
 459   if(fDebug>=1) {
 460     printf("%s: %f,  St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,j); // AdC
 461     printf("y = %f,  z = %f, zpos = %f \n",ycoor,zcoor,zpos);
 462   }
 463   zcoor -= zSenStrip;
 464   //j++; // AdC
 465   Int_t upDown = -1; // upDown=-1 -> Upper strip
 466                      // upDown=+1 -> Lower strip
 467   do{
 468      ang = atan(zcoor/radius);
 469      ang *= kRaddeg;
 470      AliMatrix (idrotm[nrot],  90.,  0.,90.-ang,90.,-ang, 90.);
 471      AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
 472      ang /= kRaddeg;
 473      ycoor = -14.5+ kspace; //2 cm over front plate
 474      ycoor += (1-(upDown+1)/2)*gap;
 475      //gMC->Gspos("FSTR",j  ,"FLTA",0.,ycoor, zcoor,idrotm[nrot],  "ONLY");
 476      //gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
 477      gMC->Gspos("FSTR",centerLoc-j,"FLTA",0.,ycoor, zcoor,idrotm[nrot],  "ONLY"); // AdC
 478      gMC->Gspos("FSTR",centerLoc+j,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY"); // AdC
 479      if(fDebug>=1) {
 480        printf("%s: %f,  St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,j); // AdC
 481        printf("y = %f,  z = %f, zpos = %f \n",ycoor,zcoor,zpos);
 482      }
 483      j++; //j += 2; // AdC
 484      upDown*= -1; // Alternate strips
 485      zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
 486              upDown*gap*TMath::Tan(ang)-
 487              (zSenStrip/2)/TMath::Cos(ang);
 488   } while (zcoor-(stripWidth/2)*TMath::Cos(ang)>-t+zFLTC+zFLTB+db*2);
 489
 490   zcoor = zcoor+(zSenStrip/2)/TMath::Cos(ang)+
 491           upDown*gap*TMath::Tan(ang)+
 492           (zSenStrip/2)/TMath::Cos(ang);
 493
 494   gap = fGapB;
 495   zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
 496           upDown*gap*TMath::Tan(ang)-
 497           (zSenStrip/2)/TMath::Cos(ang);
 498
 499   ang = atan(zcoor/radius);
 500   ang *= kRaddeg;
 501   AliMatrix (idrotm[nrot],  90.,  0.,90.-ang,90.,-ang, 90.);
 502   AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
 503   ang /= kRaddeg;
 504
 505   ycoor = -14.5+ kspace; //2 cm over front plate
 506   ycoor += (1-(upDown+1)/2)*gap;
 507   //gMC->Gspos("FSTR",j  ,"FLTA",0.,ycoor, zcoor,idrotm[nrot],  "ONLY");
 508   //gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
 509   gMC->Gspos("FSTR",centerLoc-j,"FLTA",0.,ycoor, zcoor,idrotm[nrot],  "ONLY"); // AdC
 510   gMC->Gspos("FSTR",centerLoc+j,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY"); // AdC
 511   if(fDebug>=1) {
 512     printf("%s: %f,  St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,j); // AdC
 513     printf("y = %f,  z = %f, zpos = %f \n",ycoor,zcoor,zpos);
 514   }
 515   ycoor = -hTof/2.+ kspace;//2 cm over front plate
 516
 517   // Plate  B
 518
 519   nrot = 0;
 520   Int_t i=1; // AdC
 521   upDown = 1;
 522   Float_t deadRegion = 1.0;//cm
 523
 524   zpos = zcoor - (zSenStrip/2)/TMath::Cos(ang)-
 525          upDown*gap*TMath::Tan(ang)-
 526          (zSenStrip/2)/TMath::Cos(ang)-
 527          deadRegion/TMath::Cos(ang);
 528
 529   ang = atan(zpos/radius);
 530   ang *= kRaddeg;
 531   AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
 532   ang /= kRaddeg;
 533   ycoor = -hTof*0.5+ kspace ; //2 cm over front plate
 534   ycoor += (1-(upDown+1)/2)*gap;
 535   zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
 536   gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
 537   if(fDebug>=1) {
 538      printf("%s: %f,  St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
 539      printf("y = %f,  z = %f, zpos = %f \n",ycoor,zcoor,zpos);
 540   }
 541   i++;
 542   upDown*=-1;
 543
 544   do {
 545      zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)-
 546             upDown*gap*TMath::Tan(ang)-
 547             (zSenStrip/2)/TMath::Cos(ang);
 548      ang = atan(zpos/radius);
 549      ang *= kRaddeg;
 550      AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
 551      ang /= kRaddeg;
 552      Float_t deltaSpaceinB=-0.5; // [cm] to avoid overlaps with the end of freon frame
 553      Float_t deltaGapinB=0.5;    // [cm] to avoid overlaps in between initial strips
 554      ycoor = -hTof*0.5+ kspace+deltaSpaceinB ; //2 cm over front plate
 555      ycoor += (1-(upDown+1)/2)*(gap+deltaGapinB);
 556      zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
 557      gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
 558      if(fDebug>=1) {
 559         printf("%s: %f,  St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
 560         printf("y = %f,  z = %f, zpos = %f \n",ycoor,zcoor,zpos);
 561      }
 562      upDown*=-1;
 563      i++;
 564   } while (TMath::Abs(ang*kRaddeg)<22.5);
 565   //till we reach a tilting angle of 22.5 degrees
 566
 567   ycoor = -hTof*0.5+ kspace ; //2 cm over front plate
 568   zpos = zpos - zSenStrip/TMath::Cos(ang);
 569   // this avoid overlaps in between outer strips in plate B
 570   Float_t deltaMovingUp=0.8;    // [cm]
 571   Float_t deltaMovingDown=-0.5; // [cm]
 572
 573   do {
 574      ang = atan(zpos/radius);
 575      ang *= kRaddeg;
 576      AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
 577      ang /= kRaddeg;
 578      zcoor = zpos+(zFLTB/2+zFLTA/2+db);
 579      gMC->Gspos("FSTR",i, "FLTB", 0., ycoor+deltaMovingDown+deltaMovingUp, zcoor,idrotm[nrot], "ONLY");
 580      deltaMovingUp+=0.8; // update delta moving toward the end of the plate
 581      zpos = zpos - zSenStrip/TMath::Cos(ang);
 582      if(fDebug>=1) {
 583        printf("%s: %f,  St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
 584        printf("y = %f,  z = %f, zpos = %f \n",ycoor,zcoor,zpos);
 585      }
 586      i++;
 587
 588   }  while (zpos-stripWidth*0.5/TMath::Cos(ang)>-t+zFLTC+db);
 589
 590   // Plate  C
 591
 592   zpos = zpos + zSenStrip/TMath::Cos(ang);
 593
 594   zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)+
 595          gap*TMath::Tan(ang)-
 596          (zSenStrip/2)/TMath::Cos(ang);
 597
 598   nrot = 0;
 599   i=0;
 600   Float_t deltaGap=-2.5; // [cm] update distance from strip center and plate
 601   ycoor= -hTof*0.5+kspace+gap+deltaGap;
 602
 603   do {
 604      i++;
 605      ang = atan(zpos/radius);
 606      ang *= kRaddeg;
 607      AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
 608      ang /= kRaddeg;
 609      zcoor = zpos+(zFLTC*0.5+zFLTB+zFLTA*0.5+db*2);
 610      gMC->Gspos("FSTR",i, "FLTC", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
 611      if(fDebug>=1) {
 612        printf("%s: %f,  St. %2i, Pl.5 ",ClassName(),ang*kRaddeg,i);
 613        printf("y = %f,  z = %f, zpos = %f \n",ycoor,zcoor,zpos);
 614      }
 615      zpos = zpos - zSenStrip/TMath::Cos(ang);
 616   }  while (zpos-stripWidth*TMath::Cos(ang)*0.5>-t);
 617
 618
 619   ////////// Layers after strips /////////////////
 620   // Al Layer thickness (2.3mm) factor 0.7
 621
 622   Float_t overSpace = fOverSpc;//cm
 623
 624   par[0] = xFLT*0.5;
 625   par[1] = 0.115*0.7; // factor 0.7
 626   par[2] = (zFLTA *0.5);
 627   ycoor = -yFLT/2 + overSpace + par[1];
 628   gMC->Gsvolu("FPEA", "BOX ", idtmed[508], par, 3); // Al
 629   gMC->Gspos ("FPEA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
 630   par[2] = (zFLTB *0.5);
 631   gMC->Gsvolu("FPEB", "BOX ", idtmed[508], par, 3); // Al
 632   gMC->Gspos ("FPEB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
 633   par[2] = (zFLTC *0.5);
 634   gMC->Gsvolu("FPEC", "BOX ", idtmed[508], par, 3); // Al
 635   gMC->Gspos ("FPEC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
 636
 637
 638   // plexiglass thickness: 1.5 mm ; factor 0.3
 639   ycoor += par[1];
 640   par[0] = xFLT*0.5;
 641   par[1] = 0.075*0.3; // factor 0.3
 642   par[2] = (zFLTA *0.5);
 643   ycoor += par[1];
 644   gMC->Gsvolu("FECA", "BOX ", idtmed[505], par, 3); // Plexigl.
 645   gMC->Gspos ("FECA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
 646   par[2] = (zFLTB *0.5);
 647   gMC->Gsvolu("FECB", "BOX ", idtmed[505], par, 3); // Plexigl.
 648   gMC->Gspos ("FECB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
 649   par[2] = (zFLTC *0.5);
 650   gMC->Gsvolu("FECC", "BOX ", idtmed[505], par, 3); // Plexigl.
 651   gMC->Gspos ("FECC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
 652
 653   // frame of Air
 654   ycoor += par[1];
 655   par[0] = xFLT*0.5;
 656   par[1] = (yFLT/2-ycoor-khAlWall)*0.5; // Aluminum layer considered (0.18 cm)
 657   par[2] = (zFLTA *0.5);
 658   ycoor += par[1];
 659   gMC->Gsvolu("FAIA", "BOX ", idtmed[500], par, 3); // Air
 660   gMC->Gspos ("FAIA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
 661   par[2] = (zFLTB *0.5);
 662   gMC->Gsvolu("FAIB", "BOX ", idtmed[500], par, 3); // Air
 663   gMC->Gspos ("FAIB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
 664   par[2] = (zFLTC *0.5);
 665   gMC->Gsvolu("FAIC", "BOX ", idtmed[500], par, 3); // Air
 666   gMC->Gspos ("FAIC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
 667
 668
 669   // start with cards and cooling tubes
 670   // finally, cards, cooling tubes and layer for thermal dispersion
 671   // 3 volumes
 672   // card volume definition
 673
 674   // see GEOM200 in GEANT manual
 675   AliMatrix(idrotm[98], 90., 0., 90., 90., 0., 0.); // 0 deg
 676
 677   Float_t cardpar[3];
 678   cardpar[0]= 61.;
 679   cardpar[1]= 5.;
 680   cardpar[2]= 0.1;
 681   gMC->Gsvolu("FCAR", "BOX ", idtmed[504], cardpar, 3); // PCB Card
 682   //alu plate volume definition
 683   cardpar[1]= 3.5;
 684   cardpar[2]= 0.05;
 685   gMC->Gsvolu("FALP", "BOX ", idtmed[508], cardpar, 3); // Alu Plate
 686
 687
 688   // central module positioning (FAIA)
 689   Float_t cardpos[3], aplpos2, stepforcardA=6.625;
 690   cardpos[0]= 0.;
 691   cardpos[1]= -0.5;
 692   cardpos[2]= -53.;
 693   Float_t aplpos1 = -2.;
 694   Int_t icard;
 695   for (icard=0; icard<15; ++icard) {
 696     cardpos[2]= cardpos[2]+stepforcardA;
 697     aplpos2 = cardpos[2]+0.15;
 698     gMC->Gspos("FCAR",icard,"FAIA",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
 699     gMC->Gspos("FALP",icard,"FAIA",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
 700
 701   }
 702
 703
 704   // intermediate module positioning (FAIB)
 705   Float_t stepforcardB= 7.05;
 706   cardpos[2]= -70.5;
 707   for (icard=0; icard<19; ++icard) {
 708     cardpos[2]= cardpos[2]+stepforcardB;
 709     aplpos2 = cardpos[2]+0.15;
 710     gMC->Gspos("FCAR",icard,"FAIB",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
 711     gMC->Gspos("FALP",icard,"FAIB",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
 712   }
 713
 714
 715   // outer module positioning (FAIC)
 716   Float_t stepforcardC= 8.45238;
 717   cardpos[2]= -88.75;
 718   for (icard=0; icard<20; ++icard) {
 719     cardpos[2]= cardpos[2]+stepforcardC;
 720     aplpos2 = cardpos[2]+0.15;
 721     gMC->Gspos("FCAR",icard,"FAIC",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
 722     gMC->Gspos("FALP",icard,"FAIC",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
 723   }
 724
 725   // tube volume definition
 726   Float_t tubepar[3];
 727   tubepar[0]= 0.;
 728   tubepar[1]= 0.4;
 729   tubepar[2]= 61.;
 730   gMC->Gsvolu("FTUB", "TUBE", idtmed[516], tubepar, 3); // cooling tubes (steel)
 731   tubepar[0]= 0.;
 732   tubepar[1]= 0.35;
 733   tubepar[2]= 61.;
 734   gMC->Gsvolu("FITU", "TUBE", idtmed[515], tubepar, 3); // cooling water
 735   // positioning water tube into the steel one
 736   gMC->Gspos("FITU",1,"FTUB",0.,0.,0.,0,"ONLY");
 737
 738
 739   // rotation matrix
 740   AliMatrix(idrotm[99], 180., 90., 90., 90., 90., 0.);
 741   // central module positioning (FAIA)
 742   Float_t tubepos[3], tdis=0.6;
 743   tubepos[0]= 0.;
 744   tubepos[1]= cardpos[1];
 745   tubepos[2]= -53.+tdis;
 746   //  tub1pos = 5.;
 747   Int_t itub;
 748   for (itub=0; itub<15; ++itub) {
 749     tubepos[2]= tubepos[2]+stepforcardA;
 750     gMC->Gspos("FTUB",itub,"FAIA",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
 751                "ONLY");
 752   }
 753
 754
 755   // intermediate module positioning (FAIB)
 756   tubepos[2]= -70.5+tdis;
 757   for (itub=0; itub<19; ++itub) {
 758     tubepos[2]= tubepos[2]+stepforcardB;
 759     gMC->Gspos("FTUB",itub,"FAIB",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
 760                "ONLY");
 761   }
 762
 763   // outer module positioning (FAIC)
 764   tubepos[2]= -88.75+tdis;
 765   for (itub=0; itub<20; ++itub) {
 766     tubepos[2]= tubepos[2]+stepforcardC;
 767     gMC->Gspos("FTUB",itub,"FAIC",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
 768                "ONLY");
 769   }
 770
 771 }
 772
 773 //_____________________________________________________________________________
 774 void AliTOFv4::DrawModule() const
 775 {
 776   //
 777   // Draw a shaded view of the Time Of Flight version 4
 778   //
 779   // Set everything unseen
 780   gMC->Gsatt("*", "seen", -1);
 781   //
 782   // Set ALIC mother transparent
 783   gMC->Gsatt("ALIC","SEEN",0);
 784   //
 785   // Set the volumes visible
 786   gMC->Gsatt("ALIC","SEEN",0);
 787
 788   gMC->Gsatt("FTOA","SEEN",1);
 789   gMC->Gsatt("FTOB","SEEN",1);
 790   gMC->Gsatt("FTOC","SEEN",1);
 791   gMC->Gsatt("FLTA","SEEN",1);
 792   gMC->Gsatt("FLTB","SEEN",1);
 793   gMC->Gsatt("FLTC","SEEN",1);
 794   gMC->Gsatt("FPLA","SEEN",1);
 795   gMC->Gsatt("FPLB","SEEN",1);
 796   gMC->Gsatt("FPLC","SEEN",1);
 797   gMC->Gsatt("FSTR","SEEN",1);
 798   gMC->Gsatt("FPEA","SEEN",1);
 799   gMC->Gsatt("FPEB","SEEN",1);
 800   gMC->Gsatt("FPEC","SEEN",1);
 801
 802   gMC->Gsatt("FLZ1","SEEN",0);
 803   gMC->Gsatt("FLZ2","SEEN",0);
 804   gMC->Gsatt("FLZ3","SEEN",0);
 805   gMC->Gsatt("FLX1","SEEN",0);
 806   gMC->Gsatt("FLX2","SEEN",0);
 807   gMC->Gsatt("FLX3","SEEN",0);
 808   gMC->Gsatt("FPAD","SEEN",0);
 809
 810   gMC->Gdopt("hide", "on");
 811   gMC->Gdopt("shad", "on");
 812   gMC->Gsatt("*", "fill", 7);
 813   gMC->SetClipBox(".");
 814   gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
 815   gMC->DefaultRange();
 816   gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02);
 817   gMC->Gdhead(1111, "Time Of Flight");
 818   gMC->Gdman(18, 4, "MAN");
 819   gMC->Gdopt("hide","off");
 820 }
 821 //_____________________________________________________________________________
 822 void AliTOFv4::DrawDetectorModules()
 823 {
 824 //
 825 // Draw a shaded view of the TOF detector version 4
 826 //
 827
 828
 829 //Set ALIC mother transparent
 830  gMC->Gsatt("ALIC","SEEN",0);
 831
 832 //
 833 //Set volumes visible
 834 //
 835 //=====> Level 1
 836   // Level 1 for TOF volumes
 837   gMC->Gsatt("B077","seen",0);
 838
 839
 840 //==========> Level 2
 841   // Level 2
 842   gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
 843   gMC->Gsatt("B071","seen",0);
 844   gMC->Gsatt("B074","seen",0);
 845   gMC->Gsatt("B075","seen",0);
 846   gMC->Gsatt("B080","seen",0); // B080 does not has sub-level
 847
 848
 849   // Level 2 of B071
 850   gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped   -
 851   gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped   -
 852   gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped   -
 853   gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped   -
 854   gMC->Gsatt("B056","seen",0);  // B056 does not has sub-levels  -
 855   gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped   -
 856   gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped   -
 857   gMC->Gsatt("BTR1","seen",0);  // BTR1 do not have sub-levels   -
 858   gMC->Gsatt("BTO1","seen",0);
 859
 860
 861   // Level 2 of B074
 862   gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
 863   gMC->Gsatt("BTO2","seen",0);
 864
 865   // Level 2 of B075
 866   gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
 867   gMC->Gsatt("BTO3","seen",0);
 868
 869 // ==================> Level 3
 870   // Level 3 of B071 / Level 2 of BTO1
 871   gMC->Gsatt("FTOC","seen",-2);
 872   gMC->Gsatt("FTOB","seen",-2);
 873   gMC->Gsatt("FTOA","seen",-2);
 874
 875   // Level 3 of B074 / Level 2 of BTO2
 876   // -> cfr previous settings
 877
 878   // Level 3 of B075 / Level 2 of BTO3
 879   // -> cfr previous settings
 880
 881   gMC->Gdopt("hide","on");
 882   gMC->Gdopt("shad","on");
 883   gMC->Gsatt("*", "fill", 5);
 884   gMC->SetClipBox(".");
 885   gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
 886   gMC->DefaultRange();
 887   gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
 888   gMC->Gdhead(1111,"TOF detector V1");
 889   gMC->Gdman(18, 4, "MAN");
 890   gMC->Gdopt("hide","off");
 891 }
 892
 893 //_____________________________________________________________________________
 894 void AliTOFv4::DrawDetectorStrips()
 895 {
 896 //
 897 // Draw a shaded view of the TOF strips for version 4
 898 //
 899
 900 //Set ALIC mother transparent
 901  gMC->Gsatt("ALIC","SEEN",0);
 902
 903 //
 904 //Set volumes visible
 905 //=====> Level 1
 906   // Level 1 for TOF volumes
 907   gMC->Gsatt("B077","seen",0);
 908
 909 //==========> Level 2
 910   // Level 2
 911   gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
 912   gMC->Gsatt("B071","seen",0);
 913   gMC->Gsatt("B074","seen",0);
 914   gMC->Gsatt("B075","seen",0);
 915   gMC->Gsatt("B080","seen",0); // B080 does not has sub-level
 916
 917   // Level 2 of B071
 918   gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped   -
 919   gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped   -
 920   gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped   -
 921   gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped   -
 922   gMC->Gsatt("B056","seen",0);  // B056 does not has sub-levels  -
 923   gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped   -
 924   gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped   -
 925   gMC->Gsatt("BTR1","seen",0);  // BTR1 do not have sub-levels   -
 926   gMC->Gsatt("BTO1","seen",0);
 927
 928 // ==================> Level 3
 929   // Level 3 of B071 / Level 2 of BTO1
 930   gMC->Gsatt("FTOC","seen",0);
 931   gMC->Gsatt("FTOB","seen",0);
 932   gMC->Gsatt("FTOA","seen",0);
 933
 934   // Level 3 of B074 / Level 2 of BTO2
 935   // -> cfr previous settings
 936
 937   // Level 3 of B075 / Level 2 of BTO3
 938   // -> cfr previous settings
 939
 940
 941 // ==========================> Level 4
 942   // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOC
 943   gMC->Gsatt("FLTC","seen",0);
 944   // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOB
 945   gMC->Gsatt("FLTB","seen",0);
 946   // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOA
 947   gMC->Gsatt("FLTA","seen",0);
 948
 949   // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOC
 950   // -> cfr previous settings
 951   // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOB
 952   // -> cfr previous settings
 953
 954   // Level 4 of B075 / Level 3 of BTO3 / Level 2 of FTOC
 955   // -> cfr previous settings
 956
 957 //======================================> Level 5
 958   // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOC / Level 2 of FLTC
 959   gMC->Gsatt("FALC","seen",0); // no children for FALC
 960   gMC->Gsatt("FSTR","seen",-2);
 961   gMC->Gsatt("FPEC","seen",0); // no children for FPEC
 962   gMC->Gsatt("FECC","seen",0); // no children for FECC
 963   gMC->Gsatt("FWAC","seen",0); // no children for FWAC
 964   gMC->Gsatt("FAIC","seen",0); // no children for FAIC
 965
 966   // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOB / Level 2 of FLTB
 967   gMC->Gsatt("FALB","seen",0); // no children for FALB
 968 //-->  gMC->Gsatt("FSTR","seen",-2);
 969
 970
 971   // -> cfr previous settings
 972   gMC->Gsatt("FPEB","seen",0); // no children for FPEB
 973   gMC->Gsatt("FECB","seen",0); // no children for FECB
 974   gMC->Gsatt("FWAB","seen",0); // no children for FWAB
 975   gMC->Gsatt("FAIB","seen",0); // no children for FAIB
 976
 977   // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOA / Level 2 of FLTA
 978   gMC->Gsatt("FALA","seen",0); // no children for FALB
 979 //-->  gMC->Gsatt("FSTR","seen",-2);
 980   // -> cfr previous settings
 981   gMC->Gsatt("FPEA","seen",0); // no children for FPEA
 982   gMC->Gsatt("FECA","seen",0); // no children for FECA
 983   gMC->Gsatt("FWAA","seen",0); // no children for FWAA
 984   gMC->Gsatt("FAIA","seen",0); // no children for FAIA
 985
 986   // Level 2 of B074
 987   gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
 988   gMC->Gsatt("BTO2","seen",0);
 989
 990   // Level 2 of B075
 991   gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
 992   gMC->Gsatt("BTO3","seen",0);
 993
 994 // for others Level 5, cfr. previous settings
 995
 996   gMC->Gdopt("hide","on");
 997   gMC->Gdopt("shad","on");
 998   gMC->Gsatt("*", "fill", 5);
 999   gMC->SetClipBox(".");
1000   gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
1001   gMC->DefaultRange();
1002   gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
1003   gMC->Gdhead(1111,"TOF Strips V1");
1004   gMC->Gdman(18, 4, "MAN");
1005   gMC->Gdopt("hide","off");
1006 }
1007
1008 //_____________________________________________________________________________
1009 void AliTOFv4::CreateMaterials()
1010 {
1011   //
1012   // Define materials for the Time Of Flight
1013   //
1014   AliTOF::CreateMaterials();
1015 }
1016
1017 //_____________________________________________________________________________
1018 void AliTOFv4::Init()
1019 {
1020   //
1021   // Initialise the detector after the geometry has been defined
1022   //
1023   if(fDebug) {
1024     printf("%s: **************************************"
1025            "  TOF  "
1026            "**************************************\n",ClassName());
1027     printf("\n%s:   Version 4 of TOF initialing, "
1028                 "symmetric TOF - Full Coverage version\n",ClassName());
1029   }
1030
1031   AliTOF::Init();
1032
1033   fIdFTOA = gMC->VolId("FTOA");
1034   fIdFTOB = gMC->VolId("FTOB");
1035   fIdFTOC = gMC->VolId("FTOC");
1036   fIdFLTA = gMC->VolId("FLTA");
1037   fIdFLTB = gMC->VolId("FLTB");
1038   fIdFLTC = gMC->VolId("FLTC");
1039
1040   if(fDebug) {
1041     printf("%s: **************************************"
1042            "  TOF  "
1043            "**************************************\n",ClassName());
1044   }
1045 }
1046
1047 //_____________________________________________________________________________
1048 void AliTOFv4::StepManager()
1049 {
1050   //
1051   // Procedure called at each step in the Time Of Flight
1052   //
1053   TLorentzVector mom, pos;
1054   Float_t xm[3],pm[3],xpad[3],ppad[3];
1055   Float_t hits[13],phi,phid,z;
1056   Int_t   vol[5];
1057   Int_t   sector, plate, padx, padz, strip;
1058   Int_t   copy, padzid, padxid, stripid, i;
1059   Int_t   *idtmed = fIdtmed->GetArray()-499;
1060   Float_t incidenceAngle;
1061
1062   if(gMC->GetMedium()==idtmed[513] &&
1063      gMC->IsTrackEntering() && gMC->TrackCharge()
1064      && gMC->CurrentVolID(copy)==fIdSens)
1065   {
1066     // getting information about hit volumes
1067
1068     padzid=gMC->CurrentVolOffID(2,copy);
1069     padz=copy;
1070
1071     padxid=gMC->CurrentVolOffID(1,copy);
1072     padx=copy;
1073
1074     stripid=gMC->CurrentVolOffID(4,copy);
1075     strip=copy;
1076
1077     gMC->TrackPosition(pos);
1078     gMC->TrackMomentum(mom);
1079
1080 //    Double_t NormPos=1./pos.Rho();
1081     Double_t normMom=1./mom.Rho();
1082
1083 //  getting the cohordinates in pad ref system
1084     xm[0] = (Float_t)pos.X();
1085     xm[1] = (Float_t)pos.Y();
1086     xm[2] = (Float_t)pos.Z();
1087
1088     pm[0] = (Float_t)mom.X()*normMom;
1089     pm[1] = (Float_t)mom.Y()*normMom;
1090     pm[2] = (Float_t)mom.Z()*normMom;
1091
1092     gMC->Gmtod(xm,xpad,1);
1093     gMC->Gmtod(pm,ppad,2);
1094
1095     incidenceAngle = TMath::ACos(ppad[1])*kRaddeg;
1096
1097     z = pos[2];
1098
1099     plate = 0;
1100     if (TMath::Abs(z) <=  fZlenA*0.5)  plate = 2; //3; // AdC
1101     if (z < (fZlenA*0.5+fZlenB) &&
1102         z >  fZlenA*0.5)               plate = 1; //4; // AdC
1103     if (z >-(fZlenA*0.5+fZlenB) &&
1104         z < -fZlenA*0.5)               plate = 3; //2; // AdC
1105     if (z > (fZlenA*0.5+fZlenB))       plate = 0; //5; // AdC
1106     if (z <-(fZlenA*0.5+fZlenB))       plate = 4; //1; // AdC
1107
1108     if (plate==0) strip=AliTOFConstants::fgkNStripC-strip; // AdC
1109     else if (plate==1) strip=AliTOFConstants::fgkNStripB-strip; // AdC
1110     else strip--; // AdC
1111
1112     if (z<=0.) padx=AliTOFConstants::fgkNpadX-padx; // AdC
1113     else padx--; // AdC
1114
1115     if (plate==3 || plate==4) padz=AliTOFConstants::fgkNpadZ-padz; // AdC
1116     else padz--; // AdC
1117
1118     phi = pos.Phi();
1119     if (phi>=0.) phid = phi*kRaddeg; //+180.; // AdC
1120     else phid = phi*kRaddeg + 360.; // AdC
1121     sector = Int_t (phid/20.); // AdC
1122     //sector++; // AdC
1123
1124     for(i=0;i<3;++i) {
1125       hits[i]   = pos[i];
1126       hits[i+3] = pm[i];
1127     }
1128
1129     hits[6] = mom.Rho();
1130     hits[7] = pos[3];
1131     hits[8] = xpad[0];
1132     hits[9] = xpad[1];
1133     hits[10]= xpad[2];
1134     hits[11]= incidenceAngle;
1135     hits[12]= gMC->Edep();
1136
1137     vol[0]= sector;
1138     vol[1]= plate;
1139     vol[2]= strip;
1140     vol[3]= padx;
1141     vol[4]= padz;
1142
1143     AddHit(gAlice->GetCurrentTrackNumber(),vol, hits);
1144   }
1145 }