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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  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 #include "AliMC.h"
  62
  63 ClassImp(AliTOFv4)
  64
  65 //_____________________________________________________________________________
  66 AliTOFv4::AliTOFv4()
  67 {
  68   //
  69   // Default constructor
  70   //
  71 }
  72
  73 //_____________________________________________________________________________
  74 AliTOFv4::AliTOFv4(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 AliTOFv4::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[7], nodeName1[7], nodeName2[7];
 123   char nodeName3[7], nodeName4[7], rotMatNum[7];
 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
 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
 174     top->cd();
 175     node = new TNode(nodeName4,nodeName4,"S_TOF_A",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),zOffsetA,rotMatNum);
 176     node->SetLineColor(kColorTOF);
 177     fNodes->Add(node);
 178   } // end loop on nodeNum
 179 }
 180
 181
 182
 183 //_____________________________________________________________________________
 184 void AliTOFv4::CreateGeometry()
 185 {
 186   //
 187   // Create geometry for Time Of Flight version 0
 188   //
 189   //Begin_Html
 190   /*
 191     <img src="picts/AliTOFv4.gif">
 192   */
 193   //End_Html
 194   //
 195   // Creates common geometry
 196   //
 197   AliTOF::CreateGeometry();
 198 }
 199
 200 //_____________________________________________________________________________
 201 void AliTOFv4::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC,
 202                      Float_t zlenB, Float_t zlenA, Float_t ztof0)
 203 {
 204   //
 205   // Definition of the Time Of Fligh Resistive Plate Chambers
 206   // xFLT, yFLT, zFLT - sizes of TOF modules (large)
 207
 208   Float_t  ycoor, zcoor;
 209   Float_t  par[3];
 210   Int_t    *idtmed = fIdtmed->GetArray()-499;
 211   Int_t    idrotm[100];
 212   Int_t    nrot = 0;
 213   Float_t  hTof = fRmax-fRmin;
 214
 215   Float_t radius = fRmin+2.;//cm
 216
 217   par[0] =  xtof * 0.5;
 218   par[1] =  ytof * 0.5;
 219   par[2] = zlenC * 0.5;
 220   gMC->Gsvolu("FTOC", "BOX ", idtmed[506], par, 3);
 221   par[2] = zlenB * 0.5;
 222   gMC->Gsvolu("FTOB", "BOX ", idtmed[506], par, 3);
 223   par[2] = zlenA * 0.5;
 224   gMC->Gsvolu("FTOA", "BOX ", idtmed[506], par, 3);
 225
 226
 227   // Positioning of modules
 228
 229   Float_t zcor1 = ztof0 - zlenC*0.5;
 230   Float_t zcor2 = ztof0 - zlenC - zlenB*0.5;
 231   Float_t zcor3 = 0.;
 232
 233   AliMatrix(idrotm[0], 90.,  0., 0., 0., 90,-90.);
 234   AliMatrix(idrotm[1], 90.,180., 0., 0., 90, 90.);
 235   gMC->Gspos("FTOC", 1, "BTO1", 0,  zcor1, 0, idrotm[0], "ONLY");
 236   gMC->Gspos("FTOC", 2, "BTO1", 0, -zcor1, 0, idrotm[1], "ONLY");
 237   gMC->Gspos("FTOC", 1, "BTO2", 0,  zcor1, 0, idrotm[0], "ONLY");
 238   gMC->Gspos("FTOC", 2, "BTO2", 0, -zcor1, 0, idrotm[1], "ONLY");
 239   gMC->Gspos("FTOC", 1, "BTO3", 0,  zcor1, 0, idrotm[0], "ONLY");
 240   gMC->Gspos("FTOC", 2, "BTO3", 0, -zcor1, 0, idrotm[1], "ONLY");
 241
 242   gMC->Gspos("FTOB", 1, "BTO1", 0,  zcor2, 0, idrotm[0], "ONLY");
 243   gMC->Gspos("FTOB", 2, "BTO1", 0, -zcor2, 0, idrotm[1], "ONLY");
 244   gMC->Gspos("FTOB", 1, "BTO2", 0,  zcor2, 0, idrotm[0], "ONLY");
 245   gMC->Gspos("FTOB", 2, "BTO2", 0, -zcor2, 0, idrotm[1], "ONLY");
 246   gMC->Gspos("FTOB", 1, "BTO3", 0,  zcor2, 0, idrotm[0], "ONLY");
 247   gMC->Gspos("FTOB", 2, "BTO3", 0, -zcor2, 0, idrotm[1], "ONLY");
 248
 249   gMC->Gspos("FTOA", 0, "BTO1", 0, zcor3,  0, idrotm[0], "ONLY");
 250   gMC->Gspos("FTOA", 0, "BTO2", 0, zcor3,  0, idrotm[0], "ONLY");
 251   gMC->Gspos("FTOA", 0, "BTO3", 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) cout << ClassName() <<
 273                 ": ************************* TOF geometry **************************"<<endl;
 274
 275   par[2] = (zFLTA *0.5);
 276   gMC->Gsvolu("FLTA", "BOX ", idtmed[512], par, 3); // Insensitive Freon
 277   gMC->Gspos ("FLTA", 0, "FTOA", 0., 0., 0., 0, "ONLY");
 278
 279   par[2] = (zFLTB * 0.5);
 280   gMC->Gsvolu("FLTB", "BOX ", idtmed[512], par, 3); // Insensitive Freon
 281   gMC->Gspos ("FLTB", 0, "FTOB", 0., 0., 0., 0, "ONLY");
 282
 283   par[2] = (zFLTC * 0.5);
 284   gMC->Gsvolu("FLTC", "BOX ", idtmed[512], par, 3); // Insensitive Freon
 285   gMC->Gspos ("FLTC", 0, "FTOC", 0., 0., 0., 0, "ONLY");
 286
 287   ///// Layers of Aluminum before and after detector /////
 288   ///// Aluminum Box for Modules (1.8 mm thickness)  /////
 289   ///// lateral walls not simulated for the time being
 290   //const Float_t khAlWall = 0.18;
 291   // fp to be checked
 292   const Float_t khAlWall = 0.11;
 293   par[0] = xFLT*0.5;
 294   par[1] = khAlWall/2.;//cm
 295   ycoor = -yFLT/2 + par[1];
 296   par[2] = (zFLTA *0.5);
 297   gMC->Gsvolu("FALA", "BOX ", idtmed[508], par, 3); // Alluminium
 298   gMC->Gspos ("FALA", 1, "FLTA", 0., ycoor, 0., 0, "ONLY");
 299   gMC->Gspos ("FALA", 2, "FLTA", 0.,-ycoor, 0., 0, "ONLY");
 300   par[2] = (zFLTB *0.5);
 301   gMC->Gsvolu("FALB", "BOX ", idtmed[508], par, 3); // Alluminium
 302   gMC->Gspos ("FALB", 1, "FLTB", 0., ycoor, 0., 0, "ONLY");
 303   gMC->Gspos ("FALB", 2, "FLTB", 0.,-ycoor, 0., 0, "ONLY");
 304   par[2] = (zFLTC *0.5);
 305   gMC->Gsvolu("FALC", "BOX ", idtmed[508], par, 3); // Alluminium
 306   gMC->Gspos ("FALC", 1, "FLTC", 0., ycoor, 0., 0, "ONLY");
 307   gMC->Gspos ("FALC", 2, "FLTC", 0.,-ycoor, 0., 0, "ONLY");
 308
 309   ///////////////// Detector itself //////////////////////
 310
 311   const Float_t  kdeadBound  =  fDeadBndZ; //cm non-sensitive between the pad edge
 312   //and the boundary of the strip
 313   const Int_t    knx    = fNpadX;          // number of pads along x
 314   const Int_t    knz    = fNpadZ;          // number of pads along z
 315   const Float_t  kspace = fSpace;            //cm distance from the front plate of the box
 316
 317   Float_t zSenStrip  = fZpad*fNpadZ;//cm
 318   Float_t stripWidth = zSenStrip + 2*kdeadBound;
 319
 320   par[0] = xFLT*0.5;
 321   par[1] = yPad*0.5;
 322   par[2] = stripWidth*0.5;
 323
 324   // new description for strip volume -double stack strip-
 325   // -- all constants are expressed in cm
 326   // heigth of different layers
 327   const Float_t khhony = 0.8     ;   // heigth of HONY  Layer
 328   const Float_t khpcby = 0.08    ;   // heigth of PCB   Layer
 329   const Float_t khmyly = 0.035   ;   // heigth of MYLAR Layer
 330   const Float_t khgraphy = 0.02  ;   // heigth of GRAPHITE Layer
 331   const Float_t khglasseiy = 0.135;   // 0.6 Ext. Glass + 1.1 i.e. (Int. Glass/2) (mm)
 332   const Float_t khsensmy = 0.11  ;   // heigth of Sensitive Freon Mixture
 333   const Float_t kwsensmz = 2*3.5 ;   // cm
 334   const Float_t klsensmx = 48*2.5;   // cm
 335   const Float_t kwpadz = 3.5;   // cm z dimension of the FPAD volume
 336   const Float_t klpadx = 2.5;   // cm x dimension of the FPAD volume
 337
 338   // heigth of the FSTR Volume (the strip volume)
 339   const Float_t khstripy = 2*khhony+3*khpcby+4*(khmyly+khgraphy+khglasseiy)+2*khsensmy;
 340   // width  of the FSTR Volume (the strip volume)
 341   const Float_t kwstripz = 10.;
 342   // length of the FSTR Volume (the strip volume)
 343   const Float_t klstripx = 122.;
 344
 345   Float_t parfp[3]={klstripx*0.5,khstripy*0.5,kwstripz*0.5};
 346   // coordinates of the strip center in the strip reference frame; used for positioning
 347   // internal strip volumes
 348   Float_t posfp[3]={0.,0.,0.};
 349
 350
 351   // FSTR volume definition and filling this volume with non sensitive Gas Mixture
 352   gMC->Gsvolu("FSTR","BOX",idtmed[512],parfp,3);
 353   //-- HONY Layer definition
 354   //  parfp[0] = -1;
 355   parfp[1] = khhony*0.5;
 356   //  parfp[2] = -1;
 357   gMC->Gsvolu("FHON","BOX",idtmed[503],parfp,3);
 358   // positioning 2 HONY Layers on FSTR volume
 359
 360   posfp[1]=-khstripy*0.5+parfp[1];
 361   gMC->Gspos("FHON",1,"FSTR",0., posfp[1],0.,0,"ONLY");
 362   gMC->Gspos("FHON",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
 363
 364   //-- PCB Layer definition
 365   parfp[1] = khpcby*0.5;
 366   gMC->Gsvolu("FPCB","BOX",idtmed[504],parfp,3);
 367   // positioning 2 PCB Layers on FSTR volume
 368   posfp[1]=-khstripy*0.5+khhony+parfp[1];
 369   gMC->Gspos("FPCB",1,"FSTR",0., posfp[1],0.,0,"ONLY");
 370   gMC->Gspos("FPCB",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
 371   // positioning the central PCB layer
 372   gMC->Gspos("FPCB",3,"FSTR",0.,0.,0.,0,"ONLY");
 373
 374
 375
 376   //-- MYLAR Layer definition
 377   parfp[1] = khmyly*0.5;
 378   gMC->Gsvolu("FMYL","BOX",idtmed[511],parfp,3);
 379   // positioning 2 MYLAR Layers on FSTR volume
 380   posfp[1] = -khstripy*0.5+khhony+khpcby+parfp[1];
 381   gMC->Gspos("FMYL",1,"FSTR",0., posfp[1],0.,0,"ONLY");
 382   gMC->Gspos("FMYL",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
 383   // adding further 2 MYLAR Layers on FSTR volume
 384   posfp[1] = khpcby*0.5+parfp[1];
 385   gMC->Gspos("FMYL",3,"FSTR",0., posfp[1],0.,0,"ONLY");
 386   gMC->Gspos("FMYL",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
 387
 388
 389   //-- Graphite Layer definition
 390   parfp[1] = khgraphy*0.5;
 391   gMC->Gsvolu("FGRP","BOX",idtmed[502],parfp,3);
 392   // positioning 2 Graphite Layers on FSTR volume
 393   posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+parfp[1];
 394   gMC->Gspos("FGRP",1,"FSTR",0., posfp[1],0.,0,"ONLY");
 395   gMC->Gspos("FGRP",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
 396   // adding further 2 Graphite Layers on FSTR volume
 397   posfp[1] = khpcby*0.5+khmyly+parfp[1];
 398   gMC->Gspos("FGRP",3,"FSTR",0., posfp[1],0.,0,"ONLY");
 399   gMC->Gspos("FGRP",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
 400
 401
 402   //-- Glass (EXT. +Semi INT.) Layer definition
 403   parfp[1] = khglasseiy*0.5;
 404   gMC->Gsvolu("FGLA","BOX",idtmed[514],parfp,3);
 405   // positioning 2 Glass Layers on FSTR volume
 406   posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+khgraphy+parfp[1];
 407   gMC->Gspos("FGLA",1,"FSTR",0., posfp[1],0.,0,"ONLY");
 408   gMC->Gspos("FGLA",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
 409   // adding further 2 Glass Layers on FSTR volume
 410   posfp[1] = khpcby*0.5+khmyly+khgraphy+parfp[1];
 411   gMC->Gspos("FGLA",3,"FSTR",0., posfp[1],0.,0,"ONLY");
 412   gMC->Gspos("FGLA",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
 413
 414
 415   //-- Sensitive Mixture Layer definition
 416   parfp[0] = klsensmx*0.5;
 417   parfp[1] = khsensmy*0.5;
 418   parfp[2] = kwsensmz*0.5;
 419   gMC->Gsvolu("FSEN","BOX",idtmed[513],parfp,3);
 420   gMC->Gsvolu("FNSE","BOX",idtmed[512],parfp,3);
 421   // positioning 2 gas Layers on FSTR volume
 422   // the upper is insensitive freon
 423   // while the remaining is sensitive
 424   posfp[1] = khpcby*0.5+khmyly+khgraphy+khglasseiy+parfp[1];
 425   gMC->Gspos("FNSE",0,"FSTR", 0., posfp[1],0.,0,"ONLY");
 426   gMC->Gspos("FSEN",0,"FSTR", 0.,-posfp[1],0.,0,"ONLY");
 427
 428   // dividing FSEN along z in knz=2 and along x in knx=48
 429   gMC->Gsdvn("FSEZ","FSEN",knz,3);
 430   gMC->Gsdvn("FSEX","FSEZ",knx,1);
 431
 432   // FPAD volume definition
 433   parfp[0] = klpadx*0.5;
 434   parfp[1] = khsensmy*0.5;
 435   parfp[2] = kwpadz*0.5;
 436   gMC->Gsvolu("FPAD","BOX",idtmed[513],parfp,3);
 437   // positioning the FPAD volumes on previous divisions
 438   gMC->Gspos("FPAD",0,"FSEX",0.,0.,0.,0,"ONLY");
 439
 440   ////  Positioning the Strips  (FSTR) in the FLT volumes  /////
 441
 442   // Plate A (Central)
 443
 444   Float_t t = zFLTC+zFLTB+zFLTA*0.5+ 2*db;//Half Width of Barrel
 445
 446   Float_t gap  = fGapA+0.5; //cm  updated distance between the strip axis
 447   Float_t zpos = 0;
 448   Float_t ang  = 0;
 449   Int_t j=1; // AdC
 450   nrot  = 0;
 451   zcoor = 0;
 452   ycoor = -14.5 + kspace ; //2 cm over front plate
 453
 454   AliMatrix (idrotm[0],  90.,  0.,90.,90.,0., 90.);
 455
 456   Int_t centerLoc= (Int_t)(fNStripA/2.) + 1; // AdC
 457
 458   //gMC->Gspos("FSTR",j,"FLTA",0.,ycoor, 0.,idrotm[0],"ONLY");
 459   gMC->Gspos("FSTR",centerLoc,"FLTA",0.,ycoor, 0.,idrotm[0],"ONLY"); // AdC
 460   if(fDebug>=1) {
 461     printf("%s: %f,  St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,j); // AdC
 462     printf("y = %f,  z = %f, zpos = %f \n",ycoor,zcoor,zpos);
 463   }
 464   zcoor -= zSenStrip;
 465   //j++; // AdC
 466   Int_t upDown = -1; // upDown=-1 -> Upper strip
 467                      // upDown=+1 -> Lower strip
 468   do{
 469      ang = atan(zcoor/radius);
 470      ang *= kRaddeg;
 471      AliMatrix (idrotm[nrot],  90.,  0.,90.-ang,90.,-ang, 90.);
 472      AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
 473      ang /= kRaddeg;
 474      ycoor = -14.5+ kspace; //2 cm over front plate
 475      ycoor += (1-(upDown+1)/2)*gap;
 476      //gMC->Gspos("FSTR",j  ,"FLTA",0.,ycoor, zcoor,idrotm[nrot],  "ONLY");
 477      //gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
 478      gMC->Gspos("FSTR",centerLoc-j,"FLTA",0.,ycoor, zcoor,idrotm[nrot],  "ONLY"); // AdC
 479      gMC->Gspos("FSTR",centerLoc+j,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY"); // AdC
 480      if(fDebug>=1) {
 481        printf("%s: %f,  St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,j); // AdC
 482        printf("y = %f,  z = %f, zpos = %f \n",ycoor,zcoor,zpos);
 483      }
 484      j++; //j += 2; // AdC
 485      upDown*= -1; // Alternate strips
 486      zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
 487              upDown*gap*TMath::Tan(ang)-
 488              (zSenStrip/2)/TMath::Cos(ang);
 489   } while (zcoor-(stripWidth/2)*TMath::Cos(ang)>-t+zFLTC+zFLTB+db*2);
 490
 491   zcoor = zcoor+(zSenStrip/2)/TMath::Cos(ang)+
 492           upDown*gap*TMath::Tan(ang)+
 493           (zSenStrip/2)/TMath::Cos(ang);
 494
 495   gap = fGapB;
 496   zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
 497           upDown*gap*TMath::Tan(ang)-
 498           (zSenStrip/2)/TMath::Cos(ang);
 499
 500   ang = atan(zcoor/radius);
 501   ang *= kRaddeg;
 502   AliMatrix (idrotm[nrot],  90.,  0.,90.-ang,90.,-ang, 90.);
 503   AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
 504   ang /= kRaddeg;
 505
 506   ycoor = -14.5+ kspace; //2 cm over front plate
 507   ycoor += (1-(upDown+1)/2)*gap;
 508   //gMC->Gspos("FSTR",j  ,"FLTA",0.,ycoor, zcoor,idrotm[nrot],  "ONLY");
 509   //gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
 510   gMC->Gspos("FSTR",centerLoc-j,"FLTA",0.,ycoor, zcoor,idrotm[nrot],  "ONLY"); // AdC
 511   gMC->Gspos("FSTR",centerLoc+j,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY"); // AdC
 512   if(fDebug>=1) {
 513     printf("%s: %f,  St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,j); // AdC
 514     printf("y = %f,  z = %f, zpos = %f \n",ycoor,zcoor,zpos);
 515   }
 516   ycoor = -hTof/2.+ kspace;//2 cm over front plate
 517
 518   // Plate  B
 519
 520   nrot = 0;
 521   Int_t i=1; // AdC
 522   upDown = 1;
 523   Float_t deadRegion = 1.0;//cm
 524
 525   zpos = zcoor - (zSenStrip/2)/TMath::Cos(ang)-
 526          upDown*gap*TMath::Tan(ang)-
 527          (zSenStrip/2)/TMath::Cos(ang)-
 528          deadRegion/TMath::Cos(ang);
 529
 530   ang = atan(zpos/radius);
 531   ang *= kRaddeg;
 532   AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
 533   ang /= kRaddeg;
 534   ycoor = -hTof*0.5+ kspace ; //2 cm over front plate
 535   ycoor += (1-(upDown+1)/2)*gap;
 536   zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
 537   gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
 538   if(fDebug>=1) {
 539      printf("%s: %f,  St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
 540      printf("y = %f,  z = %f, zpos = %f \n",ycoor,zcoor,zpos);
 541   }
 542   i++;
 543   upDown*=-1;
 544
 545   do {
 546      zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)-
 547             upDown*gap*TMath::Tan(ang)-
 548             (zSenStrip/2)/TMath::Cos(ang);
 549      ang = atan(zpos/radius);
 550      ang *= kRaddeg;
 551      AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
 552      ang /= kRaddeg;
 553      Float_t deltaSpaceinB=-0.5; // [cm] to avoid overlaps with the end of freon frame
 554      Float_t deltaGapinB=0.5;    // [cm] to avoid overlaps in between initial strips
 555      ycoor = -hTof*0.5+ kspace+deltaSpaceinB ; //2 cm over front plate
 556      ycoor += (1-(upDown+1)/2)*(gap+deltaGapinB);
 557      zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
 558      gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
 559      if(fDebug>=1) {
 560         printf("%s: %f,  St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
 561         printf("y = %f,  z = %f, zpos = %f \n",ycoor,zcoor,zpos);
 562      }
 563      upDown*=-1;
 564      i++;
 565   } while (TMath::Abs(ang*kRaddeg)<22.5);
 566   //till we reach a tilting angle of 22.5 degrees
 567
 568   ycoor = -hTof*0.5+ kspace ; //2 cm over front plate
 569   zpos = zpos - zSenStrip/TMath::Cos(ang);
 570   // this avoid overlaps in between outer strips in plate B
 571   Float_t deltaMovingUp=0.8;    // [cm]
 572   Float_t deltaMovingDown=-0.5; // [cm]
 573
 574   do {
 575      ang = atan(zpos/radius);
 576      ang *= kRaddeg;
 577      AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
 578      ang /= kRaddeg;
 579      zcoor = zpos+(zFLTB/2+zFLTA/2+db);
 580      gMC->Gspos("FSTR",i, "FLTB", 0., ycoor+deltaMovingDown+deltaMovingUp, zcoor,idrotm[nrot], "ONLY");
 581      deltaMovingUp+=0.8; // update delta moving toward the end of the plate
 582      zpos = zpos - zSenStrip/TMath::Cos(ang);
 583      if(fDebug>=1) {
 584        printf("%s: %f,  St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
 585        printf("y = %f,  z = %f, zpos = %f \n",ycoor,zcoor,zpos);
 586      }
 587      i++;
 588
 589   }  while (zpos-stripWidth*0.5/TMath::Cos(ang)>-t+zFLTC+db);
 590
 591   // Plate  C
 592
 593   zpos = zpos + zSenStrip/TMath::Cos(ang);
 594
 595   zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)+
 596          gap*TMath::Tan(ang)-
 597          (zSenStrip/2)/TMath::Cos(ang);
 598
 599   nrot = 0;
 600   i=0;
 601   Float_t deltaGap=-2.5; // [cm] update distance from strip center and plate
 602   ycoor= -hTof*0.5+kspace+gap+deltaGap;
 603
 604   do {
 605      i++;
 606      ang = atan(zpos/radius);
 607      ang *= kRaddeg;
 608      AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
 609      ang /= kRaddeg;
 610      zcoor = zpos+(zFLTC*0.5+zFLTB+zFLTA*0.5+db*2);
 611      gMC->Gspos("FSTR",i, "FLTC", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
 612      if(fDebug>=1) {
 613        printf("%s: %f,  St. %2i, Pl.5 ",ClassName(),ang*kRaddeg,i);
 614        printf("y = %f,  z = %f, zpos = %f \n",ycoor,zcoor,zpos);
 615      }
 616      zpos = zpos - zSenStrip/TMath::Cos(ang);
 617   }  while (zpos-stripWidth*TMath::Cos(ang)*0.5>-t);
 618
 619
 620   ////////// Layers after strips /////////////////
 621   // Al Layer thickness (2.3mm) factor 0.7
 622
 623   Float_t overSpace = fOverSpc;//cm
 624
 625   par[0] = xFLT*0.5;
 626   par[1] = 0.115*0.7; // factor 0.7
 627   par[2] = (zFLTA *0.5);
 628   ycoor = -yFLT/2 + overSpace + par[1];
 629   gMC->Gsvolu("FPEA", "BOX ", idtmed[508], par, 3); // Al
 630   gMC->Gspos ("FPEA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
 631   par[2] = (zFLTB *0.5);
 632   gMC->Gsvolu("FPEB", "BOX ", idtmed[508], par, 3); // Al
 633   gMC->Gspos ("FPEB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
 634   par[2] = (zFLTC *0.5);
 635   gMC->Gsvolu("FPEC", "BOX ", idtmed[508], par, 3); // Al
 636   gMC->Gspos ("FPEC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
 637
 638
 639   // plexiglass thickness: 1.5 mm ; factor 0.3
 640   ycoor += par[1];
 641   par[0] = xFLT*0.5;
 642   par[1] = 0.075*0.3; // factor 0.3
 643   par[2] = (zFLTA *0.5);
 644   ycoor += par[1];
 645   gMC->Gsvolu("FECA", "BOX ", idtmed[505], par, 3); // Plexigl.
 646   gMC->Gspos ("FECA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
 647   par[2] = (zFLTB *0.5);
 648   gMC->Gsvolu("FECB", "BOX ", idtmed[505], par, 3); // Plexigl.
 649   gMC->Gspos ("FECB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
 650   par[2] = (zFLTC *0.5);
 651   gMC->Gsvolu("FECC", "BOX ", idtmed[505], par, 3); // Plexigl.
 652   gMC->Gspos ("FECC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
 653
 654   // frame of Air
 655   ycoor += par[1];
 656   par[0] = xFLT*0.5;
 657   par[1] = (yFLT/2-ycoor-khAlWall)*0.5; // Aluminum layer considered (0.18 cm)
 658   par[2] = (zFLTA *0.5);
 659   ycoor += par[1];
 660   gMC->Gsvolu("FAIA", "BOX ", idtmed[500], par, 3); // Air
 661   gMC->Gspos ("FAIA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
 662   par[2] = (zFLTB *0.5);
 663   gMC->Gsvolu("FAIB", "BOX ", idtmed[500], par, 3); // Air
 664   gMC->Gspos ("FAIB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
 665   par[2] = (zFLTC *0.5);
 666   gMC->Gsvolu("FAIC", "BOX ", idtmed[500], par, 3); // Air
 667   gMC->Gspos ("FAIC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
 668
 669
 670   // start with cards and cooling tubes
 671   // finally, cards, cooling tubes and layer for thermal dispersion
 672   // 3 volumes
 673   // card volume definition
 674
 675   // see GEOM200 in GEANT manual
 676   AliMatrix(idrotm[98], 90., 0., 90., 90., 0., 0.); // 0 deg
 677
 678   Float_t cardpar[3];
 679   cardpar[0]= 61.;
 680   cardpar[1]= 5.;
 681   cardpar[2]= 0.1;
 682   gMC->Gsvolu("FCAR", "BOX ", idtmed[504], cardpar, 3); // PCB Card
 683   //alu plate volume definition
 684   cardpar[1]= 3.5;
 685   cardpar[2]= 0.05;
 686   gMC->Gsvolu("FALP", "BOX ", idtmed[508], cardpar, 3); // Alu Plate
 687
 688
 689   // central module positioning (FAIA)
 690   Float_t cardpos[3], aplpos2, stepforcardA=6.625;
 691   cardpos[0]= 0.;
 692   cardpos[1]= -0.5;
 693   cardpos[2]= -53.;
 694   Float_t aplpos1 = -2.;
 695   Int_t icard;
 696   for (icard=0; icard<15; ++icard) {
 697     cardpos[2]= cardpos[2]+stepforcardA;
 698     aplpos2 = cardpos[2]+0.15;
 699     gMC->Gspos("FCAR",icard,"FAIA",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
 700     gMC->Gspos("FALP",icard,"FAIA",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
 701
 702   }
 703
 704
 705   // intermediate module positioning (FAIB)
 706   Float_t stepforcardB= 7.05;
 707   cardpos[2]= -70.5;
 708   for (icard=0; icard<19; ++icard) {
 709     cardpos[2]= cardpos[2]+stepforcardB;
 710     aplpos2 = cardpos[2]+0.15;
 711     gMC->Gspos("FCAR",icard,"FAIB",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
 712     gMC->Gspos("FALP",icard,"FAIB",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
 713   }
 714
 715
 716   // outer module positioning (FAIC)
 717   Float_t stepforcardC= 8.45238;
 718   cardpos[2]= -88.75;
 719   for (icard=0; icard<20; ++icard) {
 720     cardpos[2]= cardpos[2]+stepforcardC;
 721     aplpos2 = cardpos[2]+0.15;
 722     gMC->Gspos("FCAR",icard,"FAIC",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
 723     gMC->Gspos("FALP",icard,"FAIC",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
 724   }
 725
 726   // tube volume definition
 727   Float_t tubepar[3];
 728   tubepar[0]= 0.;
 729   tubepar[1]= 0.4;
 730   tubepar[2]= 61.;
 731   gMC->Gsvolu("FTUB", "TUBE", idtmed[516], tubepar, 3); // cooling tubes (steel)
 732   tubepar[0]= 0.;
 733   tubepar[1]= 0.35;
 734   tubepar[2]= 61.;
 735   gMC->Gsvolu("FITU", "TUBE", idtmed[515], tubepar, 3); // cooling water
 736   // positioning water tube into the steel one
 737   gMC->Gspos("FITU",1,"FTUB",0.,0.,0.,0,"ONLY");
 738
 739
 740   // rotation matrix
 741   AliMatrix(idrotm[99], 180., 90., 90., 90., 90., 0.);
 742   // central module positioning (FAIA)
 743   Float_t tubepos[3], tdis=0.6;
 744   tubepos[0]= 0.;
 745   tubepos[1]= cardpos[1];
 746   tubepos[2]= -53.+tdis;
 747   //  tub1pos = 5.;
 748   Int_t itub;
 749   for (itub=0; itub<15; ++itub) {
 750     tubepos[2]= tubepos[2]+stepforcardA;
 751     gMC->Gspos("FTUB",itub,"FAIA",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
 752                "ONLY");
 753   }
 754
 755
 756   // intermediate module positioning (FAIB)
 757   tubepos[2]= -70.5+tdis;
 758   for (itub=0; itub<19; ++itub) {
 759     tubepos[2]= tubepos[2]+stepforcardB;
 760     gMC->Gspos("FTUB",itub,"FAIB",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
 761                "ONLY");
 762   }
 763
 764   // outer module positioning (FAIC)
 765   tubepos[2]= -88.75+tdis;
 766   for (itub=0; itub<20; ++itub) {
 767     tubepos[2]= tubepos[2]+stepforcardC;
 768     gMC->Gspos("FTUB",itub,"FAIC",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
 769                "ONLY");
 770   }
 771
 772 }
 773
 774 //_____________________________________________________________________________
 775 void AliTOFv4::DrawModule() const
 776 {
 777   //
 778   // Draw a shaded view of the Time Of Flight version 4
 779   //
 780   // Set everything unseen
 781   gMC->Gsatt("*", "seen", -1);
 782   //
 783   // Set ALIC mother transparent
 784   gMC->Gsatt("ALIC","SEEN",0);
 785   //
 786   // Set the volumes visible
 787   gMC->Gsatt("ALIC","SEEN",0);
 788
 789   gMC->Gsatt("FTOA","SEEN",1);
 790   gMC->Gsatt("FTOB","SEEN",1);
 791   gMC->Gsatt("FTOC","SEEN",1);
 792   gMC->Gsatt("FLTA","SEEN",1);
 793   gMC->Gsatt("FLTB","SEEN",1);
 794   gMC->Gsatt("FLTC","SEEN",1);
 795   gMC->Gsatt("FPLA","SEEN",1);
 796   gMC->Gsatt("FPLB","SEEN",1);
 797   gMC->Gsatt("FPLC","SEEN",1);
 798   gMC->Gsatt("FSTR","SEEN",1);
 799   gMC->Gsatt("FPEA","SEEN",1);
 800   gMC->Gsatt("FPEB","SEEN",1);
 801   gMC->Gsatt("FPEC","SEEN",1);
 802
 803   gMC->Gsatt("FLZ1","SEEN",0);
 804   gMC->Gsatt("FLZ2","SEEN",0);
 805   gMC->Gsatt("FLZ3","SEEN",0);
 806   gMC->Gsatt("FLX1","SEEN",0);
 807   gMC->Gsatt("FLX2","SEEN",0);
 808   gMC->Gsatt("FLX3","SEEN",0);
 809   gMC->Gsatt("FPAD","SEEN",0);
 810
 811   gMC->Gdopt("hide", "on");
 812   gMC->Gdopt("shad", "on");
 813   gMC->Gsatt("*", "fill", 7);
 814   gMC->SetClipBox(".");
 815   gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
 816   gMC->DefaultRange();
 817   gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02);
 818   gMC->Gdhead(1111, "Time Of Flight");
 819   gMC->Gdman(18, 4, "MAN");
 820   gMC->Gdopt("hide","off");
 821 }
 822 //_____________________________________________________________________________
 823 void AliTOFv4::DrawDetectorModules()
 824 {
 825 //
 826 // Draw a shaded view of the TOF detector version 4
 827 //
 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 AliTOFv4::DrawDetectorStrips()
 896 {
 897 //
 898 // Draw a shaded view of the TOF strips for version 4
 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 AliTOFv4::CreateMaterials()
1011 {
1012   //
1013   // Define materials for the Time Of Flight
1014   //
1015   AliTOF::CreateMaterials();
1016 }
1017
1018 //_____________________________________________________________________________
1019 void AliTOFv4::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 4 of TOF initialing, "
1029                 "symmetric TOF - Full Coverage version\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 AliTOFv4::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->CurrentMedium()==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.); // AdC
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 }