TOF/AliTOFv2.cxx

   1 /**************************************************************************
   2  * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
   3  *                                                                        *
   4  * Author: The ALICE Off-line Project.                                    *
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  15
  16 /* $Id$ */
  17
  18 ///////////////////////////////////////////////////////////////////////////////
  19 //                                                                           //
  20 //  This class contains the functions for version 2 of the Time Of Flight    //
  21 //  detector.                                                                //
  22 //                                                                           //
  23 //  VERSION WITH 5 MODULES AND TILTED STRIPS                                 //
  24 //                                                                           //
  25 //  HOLES FOR PHOS AND HMPID 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/AliTOFv2Class.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 "AliMagF.h"
  58 #include "AliRun.h"
  59 #include "AliTOFv2.h"
  60 #include "AliTOFConstants.h" // AdC
  61 #include "AliMC.h"
  62
  63 ClassImp(AliTOFv2)
  64
  65 //_____________________________________________________________________________
  66 AliTOFv2::AliTOFv2()
  67 {
  68   //
  69   // Default constructor
  70   //
  71 }
  72
  73 //_____________________________________________________________________________
  74 AliTOFv2::AliTOFv2(const char *name, const char *title)
  75         : AliTOF(name,title)
  76 {
  77   //
  78   // Standard constructor
  79   //
  80   //
  81   // Check that FRAME is there otherwise we have no place where to
  82   // put TOF
  83   AliModule* frame=gAlice->GetModule("FRAME");
  84   if(!frame) {
  85     Error("Ctor","TOF needs FRAME to be present\n");
  86     exit(1);
  87   } else
  88     if(frame->IsVersion()!=1) {
  89       Error("Ctor","FRAME version 1 needed with this version of TOF\n");
  90       exit(1);
  91     }
  92
  93 }
  94
  95 //____________________________________________________________________________
  96
  97 void AliTOFv2::BuildGeometry()
  98 {
  99   //
 100   // Build TOF ROOT geometry for the ALICE event display
 101   //
 102   TNode *node, *top;
 103   const int kColorTOF  = 27;
 104
 105   // Find top TNODE
 106   top = gAlice->GetGeometry()->GetNode("alice");
 107
 108   // Position the different copies
 109   const Float_t krTof  =(fRmax+fRmin)/2;
 110   const Float_t khTof  = fRmax-fRmin;
 111   const Int_t   kNTof = fNTof;
 112   const Float_t kPi   = TMath::Pi();
 113   const Float_t kangle = 2*kPi/kNTof;
 114   Float_t ang;
 115
 116   // define offset for nodes
 117   Float_t zOffsetC = fZtof - fZlenC*0.5;
 118   Float_t zOffsetB = fZtof - fZlenC - fZlenB*0.5;
 119   Float_t zOffsetA = 0.;
 120   // Define TOF basic volume
 121
 122   char nodeName0[6], nodeName1[6], nodeName2[6];
 123   char nodeName3[6], nodeName4[6], rotMatNum[6];
 124
 125   new TBRIK("S_TOF_C","TOF box","void",
 126             fStripLn*0.5,khTof*0.5,fZlenC*0.5);
 127   new TBRIK("S_TOF_B","TOF box","void",
 128             fStripLn*0.5,khTof*0.5,fZlenB*0.5);
 129   new TBRIK("S_TOF_A","TOF box","void",
 130             fStripLn*0.5,khTof*0.5,fZlenA*0.5);
 131
 132   for (Int_t nodeNum=1;nodeNum<19;nodeNum++){
 133
 134     if (nodeNum<10) {
 135       sprintf(rotMatNum,"rot50%i",nodeNum);
 136       sprintf(nodeName0,"FTO00%i",nodeNum);
 137       sprintf(nodeName1,"FTO10%i",nodeNum);
 138       sprintf(nodeName2,"FTO20%i",nodeNum);
 139       sprintf(nodeName3,"FTO30%i",nodeNum);
 140       sprintf(nodeName4,"FTO40%i",nodeNum);
 141     }
 142     if (nodeNum>9) {
 143       sprintf(rotMatNum,"rot5%i",nodeNum);
 144       sprintf(nodeName0,"FTO0%i",nodeNum);
 145       sprintf(nodeName1,"FTO1%i",nodeNum);
 146       sprintf(nodeName2,"FTO2%i",nodeNum);
 147       sprintf(nodeName3,"FTO3%i",nodeNum);
 148       sprintf(nodeName4,"FTO4%i",nodeNum);
 149     }
 150
 151     new TRotMatrix(rotMatNum,rotMatNum,90,-20*nodeNum,90,90-20*nodeNum,0,0);
 152     ang = (4.5-nodeNum) * kangle;
 153
 154     top->cd();
 155     node = new TNode(nodeName0,nodeName0,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),zOffsetC,rotMatNum);
 156     node->SetLineColor(kColorTOF);
 157     fNodes->Add(node);
 158
 159     top->cd();
 160     node = new TNode(nodeName1,nodeName1,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-zOffsetC,rotMatNum);
 161     node->SetLineColor(kColorTOF);
 162     fNodes->Add(node);
 163     if (nodeNum !=1 && nodeNum!=17 && nodeNum !=18)
 164       {
 165         top->cd();
 166         node = new TNode(nodeName2,nodeName2,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),zOffsetB,rotMatNum);
 167         node->SetLineColor(kColorTOF);
 168         fNodes->Add(node);
 169
 170         top->cd();
 171         node = new TNode(nodeName3,nodeName3,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-zOffsetB,rotMatNum);
 172         node->SetLineColor(kColorTOF);
 173         fNodes->Add(node);
 174       } // Holes for HMPID detector
 175
 176     if ((nodeNum<7 || nodeNum>11) && nodeNum !=1 && nodeNum!=17 && nodeNum !=18)
 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       } // Holes for PHOS detector (+ Holes for HMPID detector, central part)
 183   } // end loop on nodeNum
 184 }
 185
 186
 187 //_____________________________________________________________________________
 188 void AliTOFv2::CreateGeometry()
 189 {
 190   //
 191   // Create geometry for Time Of Flight version 0
 192   //
 193   //Begin_Html
 194   /*
 195     <img src="picts/AliTOFv2.gif">
 196   */
 197   //End_Html
 198   //
 199   // Creates common geometry
 200   //
 201   AliTOF::CreateGeometry();
 202 }
 203
 204 //_____________________________________________________________________________
 205 void AliTOFv2::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
 253   Float_t db = 0.5;//cm
 254   Float_t xFLT, xFST, yFLT, zFLTA, zFLTB, zFLTC;
 255
 256   xFLT = fStripLn;
 257   yFLT = ytof;
 258   zFLTA = zlenA;
 259   zFLTB = zlenB;
 260   zFLTC = zlenC;
 261
 262   xFST = xFLT-fDeadBndX*2;//cm
 263
 264 // Sizes of MRPC pads
 265
 266   Float_t yPad = 0.505;//cm
 267
 268 // Large not sensitive volumes with Insensitive Freon
 269   par[0] = xFLT*0.5;
 270   par[1] = yFLT*0.5;
 271
 272   if(fDebug)
 273     cout <<ClassName()
 274          <<": ************************* TOF geometry **************************"
 275          <<endl;
 276
 277   par[2] = (zFLTA *0.5);
 278   gMC->Gsvolu("FLTA", "BOX ", idtmed[512], par, 3); // Insensitive Freon
 279   gMC->Gspos ("FLTA", 0, "FTOA", 0., 0., 0., 0, "ONLY");
 280
 281   par[2] = (zFLTB * 0.5);
 282   gMC->Gsvolu("FLTB", "BOX ", idtmed[512], par, 3); // Insensitive Freon
 283   gMC->Gspos ("FLTB", 0, "FTOB", 0., 0., 0., 0, "ONLY");
 284
 285   par[2] = (zFLTC * 0.5);
 286   gMC->Gsvolu("FLTC", "BOX ", idtmed[512], par, 3); // Insensitive Freon
 287   gMC->Gspos ("FLTC", 0, "FTOC", 0., 0., 0., 0, "ONLY");
 288
 289   ///// Layers of Aluminum before and after detector /////
 290   ///// Aluminum Box for Modules (1.8 mm thickness)  /////
 291   ///// lateral walls not simulated for the time being
 292   //const Float_t khAlWall = 0.18;
 293   // fp to be checked
 294   const Float_t khAlWall = 0.11;
 295   par[0] = xFLT*0.5;
 296   par[1] = khAlWall/2.;//cm
 297   ycoor = -yFLT/2 + par[1];
 298   par[2] = (zFLTA *0.5);
 299   gMC->Gsvolu("FALA", "BOX ", idtmed[508], par, 3); // Alluminium
 300   gMC->Gspos ("FALA", 1, "FLTA", 0., ycoor, 0., 0, "ONLY");
 301   gMC->Gspos ("FALA", 2, "FLTA", 0.,-ycoor, 0., 0, "ONLY");
 302   par[2] = (zFLTB *0.5);
 303   gMC->Gsvolu("FALB", "BOX ", idtmed[508], par, 3); // Alluminium
 304   gMC->Gspos ("FALB", 1, "FLTB", 0., ycoor, 0., 0, "ONLY");
 305   gMC->Gspos ("FALB", 2, "FLTB", 0.,-ycoor, 0., 0, "ONLY");
 306   par[2] = (zFLTC *0.5);
 307   gMC->Gsvolu("FALC", "BOX ", idtmed[508], par, 3); // Alluminium
 308   gMC->Gspos ("FALC", 1, "FLTC", 0., ycoor, 0., 0, "ONLY");
 309   gMC->Gspos ("FALC", 2, "FLTC", 0.,-ycoor, 0., 0, "ONLY");
 310
 311   ///////////////// Detector itself //////////////////////
 312
 313   const Float_t  kdeadBound  =  fDeadBndZ; //cm non-sensitive between the pad edge
 314   //and the boundary of the strip
 315   const Int_t    knx    = fNpadX;          // number of pads along x
 316   const Int_t    knz    = fNpadZ;          // number of pads along z
 317   const Float_t  kspace = fSpace;            //cm distance from the front plate of the box
 318
 319   Float_t zSenStrip  = fZpad*fNpadZ;//cm
 320   Float_t stripWidth = zSenStrip + 2*kdeadBound;
 321
 322   par[0] = xFLT*0.5;
 323   par[1] = yPad*0.5;
 324   par[2] = stripWidth*0.5;
 325
 326   // new description for strip volume -double stack strip-
 327   // -- all constants are expressed in cm
 328   // heigth of different layers
 329   const Float_t khhony = 0.8     ;   // heigth of HONY  Layer
 330   const Float_t khpcby = 0.08    ;   // heigth of PCB   Layer
 331   const Float_t khmyly = 0.035   ;   // heigth of MYLAR Layer
 332   const Float_t khgraphy = 0.02  ;   // heigth of GRAPHITE Layer
 333   const Float_t khglasseiy = 0.135;   // 0.6 Ext. Glass + 1.1 i.e. (Int. Glass/2) (mm)
 334   const Float_t khsensmy = 0.11  ;   // heigth of Sensitive Freon Mixture
 335   const Float_t kwsensmz = 2*3.5 ;   // cm
 336   const Float_t klsensmx = 48*2.5;   // cm
 337   const Float_t kwpadz = 3.5;   // cm z dimension of the FPAD volume
 338   const Float_t klpadx = 2.5;   // cm x dimension of the FPAD volume
 339
 340   // heigth of the FSTR Volume (the strip volume)
 341   const Float_t khstripy = 2*khhony+3*khpcby+4*(khmyly+khgraphy+khglasseiy)+2*khsensmy;
 342   // width  of the FSTR Volume (the strip volume)
 343   const Float_t kwstripz = 10.;
 344   // length of the FSTR Volume (the strip volume)
 345   const Float_t klstripx = 122.;
 346
 347   Float_t parfp[3]={klstripx*0.5,khstripy*0.5,kwstripz*0.5};
 348   // coordinates of the strip center in the strip reference frame; used for positioning
 349   // internal strip volumes
 350   Float_t posfp[3]={0.,0.,0.};
 351
 352
 353   // FSTR volume definition and filling this volume with non sensitive Gas Mixture
 354   gMC->Gsvolu("FSTR","BOX",idtmed[512],parfp,3);
 355   //-- HONY Layer definition
 356   //  parfp[0] = -1;
 357   parfp[1] = khhony*0.5;
 358   //  parfp[2] = -1;
 359   gMC->Gsvolu("FHON","BOX",idtmed[503],parfp,3);
 360   // positioning 2 HONY Layers on FSTR volume
 361
 362   posfp[1]=-khstripy*0.5+parfp[1];
 363   gMC->Gspos("FHON",1,"FSTR",0., posfp[1],0.,0,"ONLY");
 364   gMC->Gspos("FHON",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
 365
 366   //-- PCB Layer definition
 367   parfp[1] = khpcby*0.5;
 368   gMC->Gsvolu("FPCB","BOX",idtmed[504],parfp,3);
 369   // positioning 2 PCB Layers on FSTR volume
 370   posfp[1]=-khstripy*0.5+khhony+parfp[1];
 371   gMC->Gspos("FPCB",1,"FSTR",0., posfp[1],0.,0,"ONLY");
 372   gMC->Gspos("FPCB",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
 373   // positioning the central PCB layer
 374   gMC->Gspos("FPCB",3,"FSTR",0.,0.,0.,0,"ONLY");
 375
 376
 377
 378   //-- MYLAR Layer definition
 379   parfp[1] = khmyly*0.5;
 380   gMC->Gsvolu("FMYL","BOX",idtmed[511],parfp,3);
 381   // positioning 2 MYLAR Layers on FSTR volume
 382   posfp[1] = -khstripy*0.5+khhony+khpcby+parfp[1];
 383   gMC->Gspos("FMYL",1,"FSTR",0., posfp[1],0.,0,"ONLY");
 384   gMC->Gspos("FMYL",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
 385   // adding further 2 MYLAR Layers on FSTR volume
 386   posfp[1] = khpcby*0.5+parfp[1];
 387   gMC->Gspos("FMYL",3,"FSTR",0., posfp[1],0.,0,"ONLY");
 388   gMC->Gspos("FMYL",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
 389
 390
 391   //-- Graphite Layer definition
 392   parfp[1] = khgraphy*0.5;
 393   gMC->Gsvolu("FGRP","BOX",idtmed[502],parfp,3);
 394   // positioning 2 Graphite Layers on FSTR volume
 395   posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+parfp[1];
 396   gMC->Gspos("FGRP",1,"FSTR",0., posfp[1],0.,0,"ONLY");
 397   gMC->Gspos("FGRP",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
 398   // adding further 2 Graphite Layers on FSTR volume
 399   posfp[1] = khpcby*0.5+khmyly+parfp[1];
 400   gMC->Gspos("FGRP",3,"FSTR",0., posfp[1],0.,0,"ONLY");
 401   gMC->Gspos("FGRP",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
 402
 403
 404   //-- Glass (EXT. +Semi INT.) Layer definition
 405   parfp[1] = khglasseiy*0.5;
 406   gMC->Gsvolu("FGLA","BOX",idtmed[514],parfp,3);
 407   // positioning 2 Glass Layers on FSTR volume
 408   posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+khgraphy+parfp[1];
 409   gMC->Gspos("FGLA",1,"FSTR",0., posfp[1],0.,0,"ONLY");
 410   gMC->Gspos("FGLA",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
 411   // adding further 2 Glass Layers on FSTR volume
 412   posfp[1] = khpcby*0.5+khmyly+khgraphy+parfp[1];
 413   gMC->Gspos("FGLA",3,"FSTR",0., posfp[1],0.,0,"ONLY");
 414   gMC->Gspos("FGLA",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
 415
 416
 417   //-- Sensitive Mixture Layer definition
 418   parfp[0] = klsensmx*0.5;
 419   parfp[1] = khsensmy*0.5;
 420   parfp[2] = kwsensmz*0.5;
 421   gMC->Gsvolu("FSEN","BOX",idtmed[513],parfp,3);
 422   gMC->Gsvolu("FNSE","BOX",idtmed[512],parfp,3);
 423   // positioning 2 gas Layers on FSTR volume
 424   // the upper is insensitive freon
 425   // while the remaining is sensitive
 426   posfp[1] = khpcby*0.5+khmyly+khgraphy+khglasseiy+parfp[1];
 427   gMC->Gspos("FNSE",0,"FSTR", 0., posfp[1],0.,0,"ONLY");
 428   gMC->Gspos("FSEN",0,"FSTR", 0.,-posfp[1],0.,0,"ONLY");
 429
 430   // dividing FSEN along z in knz=2 and along x in knx=48
 431   gMC->Gsdvn("FSEZ","FSEN",knz,3);
 432   gMC->Gsdvn("FSEX","FSEZ",knx,1);
 433
 434   // FPAD volume definition
 435   parfp[0] = klpadx*0.5;
 436   parfp[1] = khsensmy*0.5;
 437   parfp[2] = kwpadz*0.5;
 438   gMC->Gsvolu("FPAD","BOX",idtmed[513],parfp,3);
 439   // positioning the FPAD volumes on previous divisions
 440   gMC->Gspos("FPAD",0,"FSEX",0.,0.,0.,0,"ONLY");
 441
 442   ////  Positioning the Strips  (FSTR) in the FLT volumes  /////
 443
 444   // Plate A (Central)
 445
 446   Float_t t = zFLTC+zFLTB+zFLTA*0.5+ 2*db;//Half Width of Barrel
 447
 448   Float_t gap  = fGapA+0.5; //cm  updated distance between the strip axis
 449   Float_t zpos = 0;
 450   Float_t ang  = 0;
 451   Int_t j=1; // AdC
 452   nrot  = 0;
 453   zcoor = 0;
 454   ycoor = -14.5 + kspace ; //2 cm over front plate
 455
 456   AliMatrix (idrotm[0],  90.,  0.,90.,90.,0., 90.);
 457
 458   Int_t centerLoc= (Int_t)(fNStripA/2.) + 1; // AdC
 459
 460   //gMC->Gspos("FSTR",j,"FLTA",0.,ycoor, 0.,idrotm[0],"ONLY");
 461
 462   if(fDebug) {
 463     printf("%s: %f,  St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,j); // AdC
 464     printf("%s: y = %f,  z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
 465   }
 466
 467   zcoor -= zSenStrip;
 468   //j++; // AdC
 469   Int_t upDown = -1; // upDown=-1 -> Upper strip
 470                      // upDown=+1 -> Lower strip
 471   do{
 472     ang = atan(zcoor/radius);
 473     ang *= kRaddeg;
 474     AliMatrix (idrotm[nrot],  90.,  0.,90.-ang,90.,-ang, 90.);
 475     AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
 476     ang /= kRaddeg;
 477     ycoor = -14.5+ kspace; //2 cm over front plate
 478     ycoor += (1-(upDown+1)/2)*gap;
 479     //gMC->Gspos("FSTR",j  ,"FLTA",0.,ycoor, zcoor,idrotm[nrot],  "ONLY");
 480     //gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
 481     gMC->Gspos("FSTR",centerLoc-j,"FLTA",0.,ycoor, zcoor,idrotm[nrot],  "ONLY"); // AdC
 482     gMC->Gspos("FSTR",centerLoc+j,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY"); // AdC
 483
 484     if(fDebug>=1) {
 485       printf("%s: %f,  St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,j); // AdC
 486       printf("%s: y = %f,  z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
 487     }
 488
 489     j++; //j += 2; // AdC
 490     upDown*= -1; // Alternate strips
 491     zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
 492       upDown*gap*TMath::Tan(ang)-
 493       (zSenStrip/2)/TMath::Cos(ang);
 494   } while (zcoor-(stripWidth/2)*TMath::Cos(ang)>-t+zFLTC+zFLTB+db*2);
 495
 496   zcoor = zcoor+(zSenStrip/2)/TMath::Cos(ang)+
 497     upDown*gap*TMath::Tan(ang)+
 498     (zSenStrip/2)/TMath::Cos(ang);
 499
 500   gap = fGapB;
 501   zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
 502     upDown*gap*TMath::Tan(ang)-
 503     (zSenStrip/2)/TMath::Cos(ang);
 504
 505   ang = atan(zcoor/radius);
 506   ang *= kRaddeg;
 507   AliMatrix (idrotm[nrot],  90.,  0.,90.-ang,90.,-ang, 90.);
 508   AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
 509   ang /= kRaddeg;
 510
 511   ycoor = -14.5+ kspace; //2 cm over front plate
 512   ycoor += (1-(upDown+1)/2)*gap;
 513   //gMC->Gspos("FSTR",j  ,"FLTA",0.,ycoor, zcoor,idrotm[nrot],  "ONLY");
 514   //gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
 515   gMC->Gspos("FSTR",centerLoc-j,"FLTA",0.,ycoor, zcoor,idrotm[nrot],  "ONLY"); // AdC
 516   gMC->Gspos("FSTR",centerLoc+j,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY"); // AdC
 517   if(fDebug>=1) {
 518     printf("%s: %f,  St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,j); // AdC
 519     printf("%s: y = %f,  z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
 520   }
 521
 522   ycoor = -hTof/2.+ kspace;//2 cm over front plate
 523
 524   // Plate  B
 525
 526   nrot = 0;
 527   Int_t i=1; // AdC
 528   upDown = 1;
 529   Float_t deadRegion = 1.0;//cm
 530
 531   zpos = zcoor - (zSenStrip/2)/TMath::Cos(ang)-
 532     upDown*gap*TMath::Tan(ang)-
 533     (zSenStrip/2)/TMath::Cos(ang)-
 534     deadRegion/TMath::Cos(ang);
 535
 536   ang = atan(zpos/radius);
 537   ang *= kRaddeg;
 538   AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
 539   ang /= kRaddeg;
 540   ycoor = -hTof*0.5+ kspace ; //2 cm over front plate
 541   ycoor += (1-(upDown+1)/2)*gap;
 542   zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
 543   gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
 544
 545   if(fDebug>=1) {
 546     printf("%s: %f,  St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
 547     printf("%s: y = %f,  z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
 548   }
 549
 550   i++;
 551   upDown*=-1;
 552
 553   do {
 554     zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)-
 555       upDown*gap*TMath::Tan(ang)-
 556       (zSenStrip/2)/TMath::Cos(ang);
 557     ang = atan(zpos/radius);
 558     ang *= kRaddeg;
 559     AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
 560     ang /= kRaddeg;
 561     Float_t deltaSpaceinB=-0.5; // [cm] to avoid overlaps with the end of freon frame
 562     Float_t deltaGapinB=0.5;    // [cm] to avoid overlaps in between initial strips
 563     ycoor = -hTof*0.5+ kspace+deltaSpaceinB ; //2 cm over front plate
 564     ycoor += (1-(upDown+1)/2)*(gap+deltaGapinB);
 565     zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
 566     gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
 567
 568     if(fDebug>=1) {
 569       printf("%s: %f,  St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
 570       printf("%s: y = %f,  z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
 571     }
 572
 573     upDown*=-1;
 574     i++;
 575   } while (TMath::Abs(ang*kRaddeg)<22.5);
 576   //till we reach a tilting angle of 22.5 degrees
 577
 578   ycoor = -hTof*0.5+ kspace ; //2 cm over front plate
 579   zpos = zpos - zSenStrip/TMath::Cos(ang);
 580   // this avoid overlaps in between outer strips in plate B
 581   Float_t deltaMovingUp=0.8;    // [cm]
 582   Float_t deltaMovingDown=-0.5; // [cm]
 583
 584   do {
 585     ang = atan(zpos/radius);
 586     ang *= kRaddeg;
 587     AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
 588     ang /= kRaddeg;
 589     zcoor = zpos+(zFLTB/2+zFLTA/2+db);
 590     gMC->Gspos("FSTR",i, "FLTB", 0., ycoor+deltaMovingDown+deltaMovingUp, zcoor,idrotm[nrot], "ONLY");
 591     deltaMovingUp+=0.8; // update delta moving toward the end of the plate
 592     zpos = zpos - zSenStrip/TMath::Cos(ang);
 593     if(fDebug>=1) {
 594       printf("%s: %f,  St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
 595       printf("%s: y = %f,  z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
 596     }
 597     i++;
 598
 599   }  while (zpos-stripWidth*0.5/TMath::Cos(ang)>-t+zFLTC+db);
 600
 601   // Plate  C
 602
 603   zpos = zpos + zSenStrip/TMath::Cos(ang);
 604
 605   zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)+
 606     gap*TMath::Tan(ang)-
 607     (zSenStrip/2)/TMath::Cos(ang);
 608
 609   nrot = 0;
 610   i=0;
 611   Float_t deltaGap=-2.5; // [cm] update distance from strip center and plate
 612   ycoor= -hTof*0.5+kspace+gap+deltaGap;
 613
 614   do {
 615     i++;
 616     ang = atan(zpos/radius);
 617     ang *= kRaddeg;
 618     AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
 619     ang /= kRaddeg;
 620     zcoor = zpos+(zFLTC*0.5+zFLTB+zFLTA*0.5+db*2);
 621     gMC->Gspos("FSTR",i, "FLTC", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
 622
 623     if(fDebug>=1) {
 624       printf("%s: %f,  St. %2i, Pl.5 ",ClassName(),ang*kRaddeg,i);
 625       printf("%s: y = %f,  z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
 626     }
 627
 628     zpos = zpos - zSenStrip/TMath::Cos(ang);
 629   }  while (zpos-stripWidth*TMath::Cos(ang)*0.5>-t);
 630
 631
 632   ////////// Layers after strips /////////////////
 633   // Al Layer thickness (2.3mm) factor 0.7
 634
 635   Float_t overSpace = fOverSpc;//cm
 636
 637   par[0] = xFLT*0.5;
 638   par[1] = 0.115*0.7; // factor 0.7
 639   par[2] = (zFLTA *0.5);
 640   ycoor = -yFLT/2 + overSpace + par[1];
 641   gMC->Gsvolu("FPEA", "BOX ", idtmed[508], par, 3); // Al
 642   gMC->Gspos ("FPEA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
 643   par[2] = (zFLTB *0.5);
 644   gMC->Gsvolu("FPEB", "BOX ", idtmed[508], par, 3); // Al
 645   gMC->Gspos ("FPEB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
 646   par[2] = (zFLTC *0.5);
 647   gMC->Gsvolu("FPEC", "BOX ", idtmed[508], par, 3); // Al
 648   gMC->Gspos ("FPEC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
 649
 650
 651   // plexiglass thickness: 1.5 mm ; factor 0.3
 652   ycoor += par[1];
 653   par[0] = xFLT*0.5;
 654   par[1] = 0.075*0.3; // factor 0.3
 655   par[2] = (zFLTA *0.5);
 656   ycoor += par[1];
 657   gMC->Gsvolu("FECA", "BOX ", idtmed[505], par, 3); // Plexigl.
 658   gMC->Gspos ("FECA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
 659   par[2] = (zFLTB *0.5);
 660   gMC->Gsvolu("FECB", "BOX ", idtmed[505], par, 3); // Plexigl.
 661   gMC->Gspos ("FECB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
 662   par[2] = (zFLTC *0.5);
 663   gMC->Gsvolu("FECC", "BOX ", idtmed[505], par, 3); // Plexigl.
 664   gMC->Gspos ("FECC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
 665
 666   // frame of Air
 667   ycoor += par[1];
 668   par[0] = xFLT*0.5;
 669   par[1] = (yFLT/2-ycoor-khAlWall)*0.5; // Aluminum layer considered (0.18 cm)
 670   par[2] = (zFLTA *0.5);
 671   ycoor += par[1];
 672   gMC->Gsvolu("FAIA", "BOX ", idtmed[500], par, 3); // Air
 673   gMC->Gspos ("FAIA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
 674   par[2] = (zFLTB *0.5);
 675   gMC->Gsvolu("FAIB", "BOX ", idtmed[500], par, 3); // Air
 676   gMC->Gspos ("FAIB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
 677   par[2] = (zFLTC *0.5);
 678   gMC->Gsvolu("FAIC", "BOX ", idtmed[500], par, 3); // Air
 679   gMC->Gspos ("FAIC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
 680
 681
 682   // start with cards and cooling tubes
 683   // finally, cards, cooling tubes and layer for thermal dispersion
 684   // 3 volumes
 685   // card volume definition
 686
 687   // see GEOM200 in GEANT manual
 688   AliMatrix(idrotm[98], 90., 0., 90., 90., 0., 0.); // 0 deg
 689
 690   Float_t cardpar[3];
 691   cardpar[0]= 61.;
 692   cardpar[1]= 5.;
 693   cardpar[2]= 0.1;
 694   gMC->Gsvolu("FCAR", "BOX ", idtmed[504], cardpar, 3); // PCB Card
 695   //alu plate volume definition
 696   cardpar[1]= 3.5;
 697   cardpar[2]= 0.05;
 698   gMC->Gsvolu("FALP", "BOX ", idtmed[508], cardpar, 3); // Alu Plate
 699
 700
 701   // central module positioning (FAIA)
 702   Float_t cardpos[3], aplpos2, stepforcardA=6.625;
 703   cardpos[0]= 0.;
 704   cardpos[1]= -0.5;
 705   cardpos[2]= -53.;
 706   Float_t aplpos1 = -2.;
 707   Int_t icard;
 708   for (icard=0; icard<15; ++icard) {
 709     cardpos[2]= cardpos[2]+stepforcardA;
 710     aplpos2 = cardpos[2]+0.15;
 711     gMC->Gspos("FCAR",icard,"FAIA",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
 712     gMC->Gspos("FALP",icard,"FAIA",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
 713
 714   }
 715
 716
 717   // intermediate module positioning (FAIB)
 718   Float_t stepforcardB= 7.05;
 719   cardpos[2]= -70.5;
 720   for (icard=0; icard<19; ++icard) {
 721     cardpos[2]= cardpos[2]+stepforcardB;
 722     aplpos2 = cardpos[2]+0.15;
 723     gMC->Gspos("FCAR",icard,"FAIB",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
 724     gMC->Gspos("FALP",icard,"FAIB",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
 725   }
 726
 727
 728   // outer module positioning (FAIC)
 729   Float_t stepforcardC= 8.45238;
 730   cardpos[2]= -88.75;
 731   for (icard=0; icard<20; ++icard) {
 732     cardpos[2]= cardpos[2]+stepforcardC;
 733     aplpos2 = cardpos[2]+0.15;
 734     gMC->Gspos("FCAR",icard,"FAIC",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
 735     gMC->Gspos("FALP",icard,"FAIC",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
 736   }
 737
 738   // tube volume definition
 739   Float_t tubepar[3];
 740   tubepar[0]= 0.;
 741   tubepar[1]= 0.4;
 742   tubepar[2]= 61.;
 743   gMC->Gsvolu("FTUB", "TUBE", idtmed[516], tubepar, 3); // cooling tubes (steel)
 744   tubepar[0]= 0.;
 745   tubepar[1]= 0.35;
 746   tubepar[2]= 61.;
 747   gMC->Gsvolu("FITU", "TUBE", idtmed[515], tubepar, 3); // cooling water
 748   // positioning water tube into the steel one
 749   gMC->Gspos("FITU",1,"FTUB",0.,0.,0.,0,"ONLY");
 750
 751
 752   // rotation matrix
 753   AliMatrix(idrotm[99], 180., 90., 90., 90., 90., 0.);
 754   // central module positioning (FAIA)
 755   Float_t tubepos[3], tdis=0.6;
 756   tubepos[0]= 0.;
 757   tubepos[1]= cardpos[1];
 758   tubepos[2]= -53.+tdis;
 759   //  tub1pos = 5.;
 760   Int_t itub;
 761   for (itub=0; itub<15; ++itub) {
 762     tubepos[2]= tubepos[2]+stepforcardA;
 763     gMC->Gspos("FTUB",itub,"FAIA",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
 764                "ONLY");
 765   }
 766
 767
 768   // intermediate module positioning (FAIB)
 769   tubepos[2]= -70.5+tdis;
 770   for (itub=0; itub<19; ++itub) {
 771     tubepos[2]= tubepos[2]+stepforcardB;
 772     gMC->Gspos("FTUB",itub,"FAIB",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
 773                "ONLY");
 774   }
 775
 776   // outer module positioning (FAIC)
 777   tubepos[2]= -88.75+tdis;
 778   for (itub=0; itub<20; ++itub) {
 779     tubepos[2]= tubepos[2]+stepforcardC;
 780     gMC->Gspos("FTUB",itub,"FAIC",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
 781                "ONLY");
 782   }
 783
 784 }
 785
 786 //_____________________________________________________________________________
 787 void AliTOFv2::DrawModule() const
 788 {
 789   //
 790   // Draw a shaded view of the Time Of Flight version 2
 791   //
 792   // Set everything unseen
 793   gMC->Gsatt("*", "seen", -1);
 794   //
 795   // Set ALIC mother transparent
 796   gMC->Gsatt("ALIC","SEEN",0);
 797   //
 798   // Set the volumes visible
 799   gMC->Gsatt("ALIC","SEEN",0);
 800
 801   gMC->Gsatt("FTOA","SEEN",1);
 802   gMC->Gsatt("FTOB","SEEN",1);
 803   gMC->Gsatt("FTOC","SEEN",1);
 804   gMC->Gsatt("FLTA","SEEN",1);
 805   gMC->Gsatt("FLTB","SEEN",1);
 806   gMC->Gsatt("FLTC","SEEN",1);
 807   gMC->Gsatt("FPLA","SEEN",1);
 808   gMC->Gsatt("FPLB","SEEN",1);
 809   gMC->Gsatt("FPLC","SEEN",1);
 810   gMC->Gsatt("FSTR","SEEN",1);
 811   gMC->Gsatt("FPEA","SEEN",1);
 812   gMC->Gsatt("FPEB","SEEN",1);
 813   gMC->Gsatt("FPEC","SEEN",1);
 814
 815   gMC->Gsatt("FLZ1","SEEN",0);
 816   gMC->Gsatt("FLZ2","SEEN",0);
 817   gMC->Gsatt("FLZ3","SEEN",0);
 818   gMC->Gsatt("FLX1","SEEN",0);
 819   gMC->Gsatt("FLX2","SEEN",0);
 820   gMC->Gsatt("FLX3","SEEN",0);
 821   gMC->Gsatt("FPAD","SEEN",0);
 822
 823   gMC->Gdopt("hide", "on");
 824   gMC->Gdopt("shad", "on");
 825   gMC->Gsatt("*", "fill", 7);
 826   gMC->SetClipBox(".");
 827   gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
 828   gMC->DefaultRange();
 829   gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02);
 830   gMC->Gdhead(1111, "Time Of Flight");
 831   gMC->Gdman(18, 4, "MAN");
 832   gMC->Gdopt("hide","off");
 833 }
 834 //_____________________________________________________________________________
 835 void AliTOFv2::DrawDetectorModules()
 836 {
 837 //
 838 // Draw a shaded view of the TOF detector version 2
 839 //
 840
 841 //Set ALIC mother transparent
 842  gMC->Gsatt("ALIC","SEEN",0);
 843
 844 //
 845 //Set volumes visible
 846 //
 847 //=====> Level 1
 848   // Level 1 for TOF volumes
 849   gMC->Gsatt("B077","seen",0);
 850
 851
 852 //==========> Level 2
 853   // Level 2
 854   gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
 855   gMC->Gsatt("B071","seen",0);
 856   gMC->Gsatt("B074","seen",0);
 857   gMC->Gsatt("B075","seen",0);
 858   gMC->Gsatt("B080","seen",0); // B080 does not has sub-level
 859
 860
 861   // Level 2 of B071
 862   gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped   -
 863   gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped   -
 864   gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped   -
 865   gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped   -
 866   gMC->Gsatt("B056","seen",0);  // B056 does not has sub-levels  -
 867   gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped   -
 868   gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped   -
 869   gMC->Gsatt("BTR1","seen",0);  // BTR1 do not have sub-levels   -
 870   gMC->Gsatt("BTO1","seen",0);
 871
 872
 873   // Level 2 of B074
 874   gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
 875   gMC->Gsatt("BTO2","seen",0);
 876
 877   // Level 2 of B075
 878   gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
 879   gMC->Gsatt("BTO3","seen",0);
 880
 881 // ==================> Level 3
 882   // Level 3 of B071 / Level 2 of BTO1
 883   gMC->Gsatt("FTOC","seen",-2);
 884   gMC->Gsatt("FTOB","seen",-2);
 885   gMC->Gsatt("FTOA","seen",-2);
 886
 887   // Level 3 of B074 / Level 2 of BTO2
 888   // -> cfr previous settings
 889
 890   // Level 3 of B075 / Level 2 of BTO3
 891   // -> cfr previous settings
 892
 893   gMC->Gdopt("hide","on");
 894   gMC->Gdopt("shad","on");
 895   gMC->Gsatt("*", "fill", 5);
 896   gMC->SetClipBox(".");
 897   gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
 898   gMC->DefaultRange();
 899   gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
 900   gMC->Gdhead(1111,"TOF detector V1");
 901   gMC->Gdman(18, 4, "MAN");
 902   gMC->Gdopt("hide","off");
 903 }
 904
 905 //_____________________________________________________________________________
 906 void AliTOFv2::DrawDetectorStrips()
 907 {
 908 //
 909 // Draw a shaded view of the TOF strips for version 2
 910 //
 911
 912 //Set ALIC mother transparent
 913  gMC->Gsatt("ALIC","SEEN",0);
 914
 915 //
 916 //Set volumes visible
 917 //=====> Level 1
 918   // Level 1 for TOF volumes
 919   gMC->Gsatt("B077","seen",0);
 920
 921 //==========> Level 2
 922   // Level 2
 923   gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
 924   gMC->Gsatt("B071","seen",0);
 925   gMC->Gsatt("B074","seen",0);
 926   gMC->Gsatt("B075","seen",0);
 927   gMC->Gsatt("B080","seen",0); // B080 does not has sub-level
 928
 929   // Level 2 of B071
 930   gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped   -
 931   gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped   -
 932   gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped   -
 933   gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped   -
 934   gMC->Gsatt("B056","seen",0);  // B056 does not has sub-levels  -
 935   gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped   -
 936   gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped   -
 937   gMC->Gsatt("BTR1","seen",0);  // BTR1 do not have sub-levels   -
 938   gMC->Gsatt("BTO1","seen",0);
 939
 940 // ==================> Level 3
 941   // Level 3 of B071 / Level 2 of BTO1
 942   gMC->Gsatt("FTOC","seen",0);
 943   gMC->Gsatt("FTOB","seen",0);
 944   gMC->Gsatt("FTOA","seen",0);
 945
 946   // Level 3 of B074 / Level 2 of BTO2
 947   // -> cfr previous settings
 948
 949   // Level 3 of B075 / Level 2 of BTO3
 950   // -> cfr previous settings
 951
 952
 953 // ==========================> Level 4
 954   // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOC
 955   gMC->Gsatt("FLTC","seen",0);
 956   // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOB
 957   gMC->Gsatt("FLTB","seen",0);
 958   // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOA
 959   gMC->Gsatt("FLTA","seen",0);
 960
 961   // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOC
 962   // -> cfr previous settings
 963   // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOB
 964   // -> cfr previous settings
 965
 966   // Level 4 of B075 / Level 3 of BTO3 / Level 2 of FTOC
 967   // -> cfr previous settings
 968
 969 //======================================> Level 5
 970   // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOC / Level 2 of FLTC
 971   gMC->Gsatt("FALC","seen",0); // no children for FALC
 972   gMC->Gsatt("FSTR","seen",-2);
 973   gMC->Gsatt("FPEC","seen",0); // no children for FPEC
 974   gMC->Gsatt("FECC","seen",0); // no children for FECC
 975   gMC->Gsatt("FWAC","seen",0); // no children for FWAC
 976   gMC->Gsatt("FAIC","seen",0); // no children for FAIC
 977
 978   // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOB / Level 2 of FLTB
 979   gMC->Gsatt("FALB","seen",0); // no children for FALB
 980 //-->  gMC->Gsatt("FSTR","seen",-2);
 981
 982
 983   // -> cfr previous settings
 984   gMC->Gsatt("FPEB","seen",0); // no children for FPEB
 985   gMC->Gsatt("FECB","seen",0); // no children for FECB
 986   gMC->Gsatt("FWAB","seen",0); // no children for FWAB
 987   gMC->Gsatt("FAIB","seen",0); // no children for FAIB
 988
 989   // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOA / Level 2 of FLTA
 990   gMC->Gsatt("FALA","seen",0); // no children for FALB
 991 //-->  gMC->Gsatt("FSTR","seen",-2);
 992   // -> cfr previous settings
 993   gMC->Gsatt("FPEA","seen",0); // no children for FPEA
 994   gMC->Gsatt("FECA","seen",0); // no children for FECA
 995   gMC->Gsatt("FWAA","seen",0); // no children for FWAA
 996   gMC->Gsatt("FAIA","seen",0); // no children for FAIA
 997
 998   // Level 2 of B074
 999   gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
1000   gMC->Gsatt("BTO2","seen",0);
1001
1002   // Level 2 of B075
1003   gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
1004   gMC->Gsatt("BTO3","seen",0);
1005
1006 // for others Level 5, cfr. previous settings
1007
1008   gMC->Gdopt("hide","on");
1009   gMC->Gdopt("shad","on");
1010   gMC->Gsatt("*", "fill", 5);
1011   gMC->SetClipBox(".");
1012   gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
1013   gMC->DefaultRange();
1014   gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
1015   gMC->Gdhead(1111,"TOF Strips V1");
1016   gMC->Gdman(18, 4, "MAN");
1017   gMC->Gdopt("hide","off");
1018 }
1019
1020 //_____________________________________________________________________________
1021 void AliTOFv2::CreateMaterials()
1022 {
1023   //
1024   // Define materials for the Time Of Flight
1025   //
1026   AliTOF::CreateMaterials();
1027 }
1028
1029 //_____________________________________________________________________________
1030 void AliTOFv2::Init()
1031 {
1032   //
1033   // Initialise the detector after the geometry has been defined
1034   //
1035   if(fDebug) {
1036     printf("%s: **************************************"
1037            "  TOF  "
1038            "**************************************\n",ClassName());
1039     printf("\n%s:   Version 2 of TOF initialing, "
1040            "TOF with holes for PHOS and HMPID \n",ClassName());
1041   }
1042
1043   AliTOF::Init();
1044
1045   fIdFTOA = gMC->VolId("FTOA");
1046   fIdFTOB = gMC->VolId("FTOB");
1047   fIdFTOC = gMC->VolId("FTOC");
1048   fIdFLTA = gMC->VolId("FLTA");
1049   fIdFLTB = gMC->VolId("FLTB");
1050   fIdFLTC = gMC->VolId("FLTC");
1051
1052   if(fDebug) {
1053     printf("%s: **************************************"
1054            "  TOF  "
1055            "**************************************\n",ClassName());
1056   }
1057 }
1058
1059 //_____________________________________________________________________________
1060 void AliTOFv2::StepManager()
1061 {
1062   //
1063   // Procedure called at each step in the Time Of Flight
1064   //
1065   TLorentzVector mom, pos;
1066   Float_t xm[3],pm[3],xpad[3],ppad[3];
1067   Float_t hits[13],phi,phid,z;
1068   Int_t   vol[5];
1069   Int_t   sector, plate, padx, padz, strip;
1070   Int_t   copy, padzid, padxid, stripid, i;
1071   Int_t   *idtmed = fIdtmed->GetArray()-499;
1072   Float_t incidenceAngle;
1073
1074   if(gMC->CurrentMedium()==idtmed[513] &&
1075      gMC->IsTrackEntering() && gMC->TrackCharge()
1076      && gMC->CurrentVolID(copy)==fIdSens)
1077   {
1078     // getting information about hit volumes
1079
1080     padzid=gMC->CurrentVolOffID(2,copy);
1081     padz=copy;
1082
1083     padxid=gMC->CurrentVolOffID(1,copy);
1084     padx=copy;
1085
1086     stripid=gMC->CurrentVolOffID(4,copy);
1087     strip=copy;
1088
1089     gMC->TrackPosition(pos);
1090     gMC->TrackMomentum(mom);
1091
1092 //    Double_t NormPos=1./pos.Rho();
1093     Double_t normMom=1./mom.Rho();
1094
1095 //  getting the cohordinates in pad ref system
1096     xm[0] = (Float_t)pos.X();
1097     xm[1] = (Float_t)pos.Y();
1098     xm[2] = (Float_t)pos.Z();
1099
1100     pm[0] = (Float_t)mom.X()*normMom;
1101     pm[1] = (Float_t)mom.Y()*normMom;
1102     pm[2] = (Float_t)mom.Z()*normMom;
1103
1104     gMC->Gmtod(xm,xpad,1);
1105     gMC->Gmtod(pm,ppad,2);
1106
1107     if (ppad[1] > 1.) ppad[1]=1;
1108     if (ppad[1] < -1.) ppad[1]=-1;
1109     incidenceAngle = TMath::ACos(ppad[1])*kRaddeg;
1110
1111     z = pos[2];
1112
1113     plate = 0;
1114     if (TMath::Abs(z) <=  fZlenA*0.5)  plate = 2; //3; // AdC
1115     if (z < (fZlenA*0.5+fZlenB) &&
1116         z >  fZlenA*0.5)               plate = 1; //4; // AdC
1117     if (z >-(fZlenA*0.5+fZlenB) &&
1118         z < -fZlenA*0.5)               plate = 3; //2; // AdC
1119     if (z > (fZlenA*0.5+fZlenB))       plate = 0; //5;
1120     if (z <-(fZlenA*0.5+fZlenB))       plate = 4; //1; // AdC
1121
1122     if (plate==0) strip=AliTOFConstants::fgkNStripC-strip; // AdC
1123     else if (plate==1) strip=AliTOFConstants::fgkNStripB-strip; // AdC
1124     else strip--; // AdC
1125
1126     if (z<=0.) padx=AliTOFConstants::fgkNpadX-padx; // AdC
1127     else padx--; // AdC
1128
1129     if (plate==3 || plate==4) padz=AliTOFConstants::fgkNpadZ-padz; // AdC
1130     else padz--; // AdC
1131
1132     phi = pos.Phi();
1133     if (phi>=0.) phid = phi*kRaddeg; //+180.; // AdC
1134     else phid = phi*kRaddeg + 360.; //+180.; // AdC
1135     sector = Int_t (phid/20.);
1136     //sector++; // AdC
1137
1138     for(i=0;i<3;++i) {
1139       hits[i]   = pos[i];
1140       hits[i+3] = pm[i];
1141     }
1142
1143     hits[6] = mom.Rho();
1144     hits[7] = pos[3];
1145     hits[8] = xpad[0];
1146     hits[9] = xpad[1];
1147     hits[10]= xpad[2];
1148     hits[11]= incidenceAngle;
1149     hits[12]= gMC->Edep();
1150
1151     vol[0]= sector;
1152     vol[1]= plate;
1153     vol[2]= strip;
1154     vol[3]= padx;
1155     vol[4]= padz;
1156
1157     AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(),vol, hits);
1158   }
1159 }