TOF/AliTOFv1.cxx

   1 /**************************************************************************
   2  * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
   3  *                                                                        *
   4  * Author: The ALICE Off-line Project.                                    *
   5  * Contributors are mentioned in the code where appropriate.              *
   6  *                                                                        *
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  13  * provided "as is" without express or implied warranty.                  *
  14  **************************************************************************/
  15
  16 /* $Id$ */
  17
  18 ///////////////////////////////////////////////////////////////////////////////
  19 //                                                                           //
  20 //  This class contains the functions for version 1 of the Time Of Flight    //
  21 //  detector.                                                                //
  22 //                                                                           //
  23 //  VERSION WITH 5 MODULES AND TILTED STRIPS                                 //
  24 //                                                                           //
  25 //  HOLES FOR PHOS 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/AliTOFv1Class.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 "AliTOFv1.h"
  60 #include "AliTOFConstants.h" // AdC
  61 #include "AliMC.h"
  62
  63 ClassImp(AliTOFv1)
  64
  65 //_____________________________________________________________________________
  66 AliTOFv1::AliTOFv1()
  67 {
  68   //
  69   // Default constructor
  70   //
  71 }
  72
  73 //_____________________________________________________________________________
  74 AliTOFv1::AliTOFv1(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 //____________________________________________________________________________
  98
  99 void AliTOFv1::BuildGeometry()
 100 {
 101   //
 102   // Build TOF ROOT geometry for the ALICE event display
 103   //
 104   TNode *node, *top;
 105   const int kColorTOF  = 27;
 106
 107   // Find top TNODE
 108   top = gAlice->GetGeometry()->GetNode("alice");
 109
 110   // Position the different copies
 111   const Float_t krTof  =(fRmax+fRmin)/2;
 112   const Float_t khTof  = fRmax-fRmin;
 113   const Int_t   kNTof = fNTof;
 114   const Float_t kPi   = TMath::Pi();
 115   const Float_t kangle = 2*kPi/kNTof;
 116   Float_t ang;
 117
 118   // define offset for nodes
 119   Float_t zOffsetC = fZtof - fZlenC*0.5;
 120   Float_t zOffsetB = fZtof - fZlenC - fZlenB*0.5;
 121   Float_t zOffsetA = 0.;
 122   // Define TOF basic volume
 123
 124   char nodeName0[7], nodeName1[7], nodeName2[7];
 125   char nodeName3[7], nodeName4[7], rotMatNum[7];
 126
 127   new TBRIK("S_TOF_C","TOF box","void",
 128             fStripLn*0.5,khTof*0.5,fZlenC*0.5);
 129   new TBRIK("S_TOF_B","TOF box","void",
 130             fStripLn*0.5,khTof*0.5,fZlenB*0.5);
 131   new TBRIK("S_TOF_A","TOF box","void",
 132             fStripLn*0.5,khTof*0.5,fZlenA*0.5);
 133
 134   for (Int_t nodeNum=1;nodeNum<19;nodeNum++){
 135
 136     if (nodeNum<10) {
 137       sprintf(rotMatNum,"rot50%i",nodeNum);
 138       sprintf(nodeName0,"FTO00%i",nodeNum);
 139       sprintf(nodeName1,"FTO10%i",nodeNum);
 140       sprintf(nodeName2,"FTO20%i",nodeNum);
 141       sprintf(nodeName3,"FTO30%i",nodeNum);
 142       sprintf(nodeName4,"FTO40%i",nodeNum);
 143     }
 144     if (nodeNum>9) {
 145       sprintf(rotMatNum,"rot5%i",nodeNum);
 146       sprintf(nodeName0,"FTO0%i",nodeNum);
 147       sprintf(nodeName1,"FTO1%i",nodeNum);
 148       sprintf(nodeName2,"FTO2%i",nodeNum);
 149       sprintf(nodeName3,"FTO3%i",nodeNum);
 150       sprintf(nodeName4,"FTO4%i",nodeNum);
 151     }
 152
 153     new TRotMatrix(rotMatNum,rotMatNum,90,-20*nodeNum,90,90-20*nodeNum,0,0);
 154     ang = (4.5-nodeNum) * kangle;
 155
 156     top->cd();
 157     node = new TNode(nodeName0,nodeName0,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),zOffsetC,rotMatNum);
 158     node->SetLineColor(kColorTOF);
 159     fNodes->Add(node);
 160
 161     top->cd();
 162     node = new TNode(nodeName1,nodeName1,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-zOffsetC,rotMatNum);
 163     node->SetLineColor(kColorTOF);
 164     fNodes->Add(node);
 165
 166     top->cd();
 167     node = new TNode(nodeName2,nodeName2,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),zOffsetB,rotMatNum);
 168     node->SetLineColor(kColorTOF);
 169     fNodes->Add(node);
 170
 171     top->cd();
 172     node = new TNode(nodeName3,nodeName3,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-zOffsetB,rotMatNum);
 173     node->SetLineColor(kColorTOF);
 174     fNodes->Add(node);
 175
 176     if (nodeNum<7 || nodeNum>11) {
 177       top->cd();
 178       node = new TNode(nodeName4,nodeName4,"S_TOF_A",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),zOffsetA,rotMatNum);
 179       node->SetLineColor(kColorTOF);
 180       fNodes->Add(node);
 181     } // Modules A which are not to be installed for PHOS holes.
 182   } // end loop on nodeNum
 183
 184 }
 185
 186 //_____________________________________________________________________________
 187 void AliTOFv1::CreateGeometry()
 188 {
 189   //
 190   // Create geometry for Time Of Flight version 0
 191   //
 192   //Begin_Html
 193   /*
 194     <img src="picts/AliTOFv1.gif">
 195   */
 196   //End_Html
 197   //
 198   // Creates common geometry
 199   //
 200   AliTOF::CreateGeometry();
 201 }
 202
 203 //_____________________________________________________________________________
 204 void AliTOFv1::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC,
 205                      Float_t zlenB, Float_t zlenA, Float_t ztof0)
 206 {
 207   //
 208   // Definition of the Time Of Fligh Resistive Plate Chambers
 209   // xFLT, yFLT, zFLT - sizes of TOF modules (large)
 210
 211   Float_t  ycoor, zcoor;
 212   Float_t  par[3];
 213   Int_t    *idtmed = fIdtmed->GetArray()-499;
 214   Int_t    idrotm[100];
 215   Int_t    nrot = 0;
 216   Float_t  hTof = fRmax-fRmin;
 217
 218   Float_t radius = fRmin+2.;//cm
 219
 220   par[0] =  xtof * 0.5;
 221   par[1] =  ytof * 0.5;
 222   par[2] = zlenC * 0.5;
 223   gMC->Gsvolu("FTOC", "BOX ", idtmed[506], par, 3);
 224   par[2] = zlenB * 0.5;
 225   gMC->Gsvolu("FTOB", "BOX ", idtmed[506], par, 3);
 226   par[2] = zlenA * 0.5;
 227   gMC->Gsvolu("FTOA", "BOX ", idtmed[506], par, 3);
 228
 229
 230   // Positioning of modules
 231
 232   Float_t zcor1 = ztof0 - zlenC*0.5;
 233   Float_t zcor2 = ztof0 - zlenC - zlenB*0.5;
 234   Float_t zcor3 = 0.;
 235
 236   AliMatrix(idrotm[0], 90.,  0., 0., 0., 90,-90.);
 237   AliMatrix(idrotm[1], 90.,180., 0., 0., 90, 90.);
 238   gMC->Gspos("FTOC", 1, "BTO1", 0,  zcor1, 0, idrotm[0], "ONLY");
 239   gMC->Gspos("FTOC", 2, "BTO1", 0, -zcor1, 0, idrotm[1], "ONLY");
 240   gMC->Gspos("FTOC", 1, "BTO2", 0,  zcor1, 0, idrotm[0], "ONLY");
 241   gMC->Gspos("FTOC", 2, "BTO2", 0, -zcor1, 0, idrotm[1], "ONLY");
 242   gMC->Gspos("FTOC", 1, "BTO3", 0,  zcor1, 0, idrotm[0], "ONLY");
 243   gMC->Gspos("FTOC", 2, "BTO3", 0, -zcor1, 0, idrotm[1], "ONLY");
 244
 245   gMC->Gspos("FTOB", 1, "BTO1", 0,  zcor2, 0, idrotm[0], "ONLY");
 246   gMC->Gspos("FTOB", 2, "BTO1", 0, -zcor2, 0, idrotm[1], "ONLY");
 247   gMC->Gspos("FTOB", 1, "BTO2", 0,  zcor2, 0, idrotm[0], "ONLY");
 248   gMC->Gspos("FTOB", 2, "BTO2", 0, -zcor2, 0, idrotm[1], "ONLY");
 249   gMC->Gspos("FTOB", 1, "BTO3", 0,  zcor2, 0, idrotm[0], "ONLY");
 250   gMC->Gspos("FTOB", 2, "BTO3", 0, -zcor2, 0, idrotm[1], "ONLY");
 251
 252   gMC->Gspos("FTOA", 0, "BTO1", 0, zcor3,  0, idrotm[0], "ONLY");
 253   gMC->Gspos("FTOA", 0, "BTO3", 0, zcor3,  0, idrotm[0], "ONLY");
 254
 255   Float_t db = 0.5;//cm
 256   Float_t xFLT, xFST, yFLT, zFLTA, zFLTB, zFLTC;
 257
 258   xFLT = fStripLn;
 259   yFLT = ytof;
 260   zFLTA = zlenA;
 261   zFLTB = zlenB;
 262   zFLTC = zlenC;
 263
 264   xFST = xFLT-fDeadBndX*2;//cm
 265
 266   // Sizes of MRPC pads
 267
 268   Float_t yPad = 0.505;//cm
 269
 270   // Large not sensitive volumes with Insensitive Freon
 271   par[0] = xFLT*0.5;
 272   par[1] = yFLT*0.5;
 273
 274   if(fDebug) cout << ClassName()
 275                   << ": ************************* TOF geometry **************************"
 276                   <<endl;
 277
 278   par[2] = (zFLTA *0.5);
 279   gMC->Gsvolu("FLTA", "BOX ", idtmed[512], par, 3); // Insensitive Freon
 280   gMC->Gspos ("FLTA", 0, "FTOA", 0., 0., 0., 0, "ONLY");
 281
 282   par[2] = (zFLTB * 0.5);
 283   gMC->Gsvolu("FLTB", "BOX ", idtmed[512], par, 3); // Insensitive Freon
 284   gMC->Gspos ("FLTB", 0, "FTOB", 0., 0., 0., 0, "ONLY");
 285
 286   par[2] = (zFLTC * 0.5);
 287   gMC->Gsvolu("FLTC", "BOX ", idtmed[512], par, 3); // Insensitive Freon
 288   gMC->Gspos ("FLTC", 0, "FTOC", 0., 0., 0., 0, "ONLY");
 289
 290   ///// Layers of Aluminum before and after detector /////
 291   ///// Aluminum Box for Modules (1.8 mm thickness)  /////
 292   ///// lateral walls not simulated for the time being
 293   //const Float_t khAlWall = 0.18;
 294   // fp to be checked
 295   const Float_t khAlWall = 0.11;
 296   par[0] = xFLT*0.5;
 297   par[1] = khAlWall/2.;//cm
 298   ycoor = -yFLT/2 + par[1];
 299   par[2] = (zFLTA *0.5);
 300   gMC->Gsvolu("FALA", "BOX ", idtmed[508], par, 3); // Alluminium
 301   gMC->Gspos ("FALA", 1, "FLTA", 0., ycoor, 0., 0, "ONLY");
 302   gMC->Gspos ("FALA", 2, "FLTA", 0.,-ycoor, 0., 0, "ONLY");
 303   par[2] = (zFLTB *0.5);
 304   gMC->Gsvolu("FALB", "BOX ", idtmed[508], par, 3); // Alluminium
 305   gMC->Gspos ("FALB", 1, "FLTB", 0., ycoor, 0., 0, "ONLY");
 306   gMC->Gspos ("FALB", 2, "FLTB", 0.,-ycoor, 0., 0, "ONLY");
 307   par[2] = (zFLTC *0.5);
 308   gMC->Gsvolu("FALC", "BOX ", idtmed[508], par, 3); // Alluminium
 309   gMC->Gspos ("FALC", 1, "FLTC", 0., ycoor, 0., 0, "ONLY");
 310   gMC->Gspos ("FALC", 2, "FLTC", 0.,-ycoor, 0., 0, "ONLY");
 311
 312   ///////////////// Detector itself //////////////////////
 313
 314   const Float_t  kdeadBound  =  fDeadBndZ; //cm non-sensitive between the pad edge
 315   //and the boundary of the strip
 316   const Int_t    knx    = fNpadX;          // number of pads along x
 317   const Int_t    knz    = fNpadZ;          // number of pads along z
 318   const Float_t  kspace = fSpace;            //cm distance from the front plate of the box
 319
 320   Float_t zSenStrip  = fZpad*fNpadZ;//cm
 321   Float_t stripWidth = zSenStrip + 2*kdeadBound;
 322
 323   par[0] = xFLT*0.5;
 324   par[1] = yPad*0.5;
 325   par[2] = stripWidth*0.5;
 326
 327   // new description for strip volume -double stack strip-
 328   // -- all constants are expressed in cm
 329   // heigth of different layers
 330   const Float_t khhony = 0.8     ;   // heigth of HONY  Layer
 331   const Float_t khpcby = 0.08    ;   // heigth of PCB   Layer
 332   const Float_t khmyly = 0.035   ;   // heigth of MYLAR Layer
 333   const Float_t khgraphy = 0.02  ;   // heigth of GRAPHITE Layer
 334   const Float_t khglasseiy = 0.135;   // 0.6 Ext. Glass + 1.1 i.e. (Int. Glass/2) (mm)
 335   const Float_t khsensmy = 0.11  ;   // heigth of Sensitive Freon Mixture
 336   const Float_t kwsensmz = 2*3.5 ;   // cm
 337   const Float_t klsensmx = 48*2.5;   // cm
 338   const Float_t kwpadz = 3.5;   // cm z dimension of the FPAD volume
 339   const Float_t klpadx = 2.5;   // cm x dimension of the FPAD volume
 340
 341   // heigth of the FSTR Volume (the strip volume)
 342   const Float_t khstripy = 2*khhony+3*khpcby+4*(khmyly+khgraphy+khglasseiy)+2*khsensmy;
 343   // width  of the FSTR Volume (the strip volume)
 344   const Float_t kwstripz = 10.;
 345   // length of the FSTR Volume (the strip volume)
 346   const Float_t klstripx = 122.;
 347
 348   Float_t parfp[3]={klstripx*0.5,khstripy*0.5,kwstripz*0.5};
 349   // coordinates of the strip center in the strip reference frame; used for positioning
 350   // internal strip volumes
 351   Float_t posfp[3]={0.,0.,0.};
 352
 353
 354   // FSTR volume definition and filling this volume with non sensitive Gas Mixture
 355   gMC->Gsvolu("FSTR","BOX",idtmed[512],parfp,3);
 356   //-- HONY Layer definition
 357   //  parfp[0] = -1;
 358   parfp[1] = khhony*0.5;
 359   //  parfp[2] = -1;
 360   gMC->Gsvolu("FHON","BOX",idtmed[503],parfp,3);
 361   // positioning 2 HONY Layers on FSTR volume
 362
 363   posfp[1]=-khstripy*0.5+parfp[1];
 364   gMC->Gspos("FHON",1,"FSTR",0., posfp[1],0.,0,"ONLY");
 365   gMC->Gspos("FHON",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
 366
 367   //-- PCB Layer definition
 368   parfp[1] = khpcby*0.5;
 369   gMC->Gsvolu("FPCB","BOX",idtmed[504],parfp,3);
 370   // positioning 2 PCB Layers on FSTR volume
 371   posfp[1]=-khstripy*0.5+khhony+parfp[1];
 372   gMC->Gspos("FPCB",1,"FSTR",0., posfp[1],0.,0,"ONLY");
 373   gMC->Gspos("FPCB",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
 374   // positioning the central PCB layer
 375   gMC->Gspos("FPCB",3,"FSTR",0.,0.,0.,0,"ONLY");
 376
 377
 378
 379   //-- MYLAR Layer definition
 380   parfp[1] = khmyly*0.5;
 381   gMC->Gsvolu("FMYL","BOX",idtmed[511],parfp,3);
 382   // positioning 2 MYLAR Layers on FSTR volume
 383   posfp[1] = -khstripy*0.5+khhony+khpcby+parfp[1];
 384   gMC->Gspos("FMYL",1,"FSTR",0., posfp[1],0.,0,"ONLY");
 385   gMC->Gspos("FMYL",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
 386   // adding further 2 MYLAR Layers on FSTR volume
 387   posfp[1] = khpcby*0.5+parfp[1];
 388   gMC->Gspos("FMYL",3,"FSTR",0., posfp[1],0.,0,"ONLY");
 389   gMC->Gspos("FMYL",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
 390
 391
 392   //-- Graphite Layer definition
 393   parfp[1] = khgraphy*0.5;
 394   gMC->Gsvolu("FGRP","BOX",idtmed[502],parfp,3);
 395   // positioning 2 Graphite Layers on FSTR volume
 396   posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+parfp[1];
 397   gMC->Gspos("FGRP",1,"FSTR",0., posfp[1],0.,0,"ONLY");
 398   gMC->Gspos("FGRP",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
 399   // adding further 2 Graphite Layers on FSTR volume
 400   posfp[1] = khpcby*0.5+khmyly+parfp[1];
 401   gMC->Gspos("FGRP",3,"FSTR",0., posfp[1],0.,0,"ONLY");
 402   gMC->Gspos("FGRP",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
 403
 404
 405   //-- Glass (EXT. +Semi INT.) Layer definition
 406   parfp[1] = khglasseiy*0.5;
 407   gMC->Gsvolu("FGLA","BOX",idtmed[514],parfp,3);
 408   // positioning 2 Glass Layers on FSTR volume
 409   posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+khgraphy+parfp[1];
 410   gMC->Gspos("FGLA",1,"FSTR",0., posfp[1],0.,0,"ONLY");
 411   gMC->Gspos("FGLA",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
 412   // adding further 2 Glass Layers on FSTR volume
 413   posfp[1] = khpcby*0.5+khmyly+khgraphy+parfp[1];
 414   gMC->Gspos("FGLA",3,"FSTR",0., posfp[1],0.,0,"ONLY");
 415   gMC->Gspos("FGLA",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
 416
 417
 418   //-- Sensitive Mixture Layer definition
 419   parfp[0] = klsensmx*0.5;
 420   parfp[1] = khsensmy*0.5;
 421   parfp[2] = kwsensmz*0.5;
 422   gMC->Gsvolu("FSEN","BOX",idtmed[513],parfp,3);
 423   gMC->Gsvolu("FNSE","BOX",idtmed[512],parfp,3);
 424   // positioning 2 gas Layers on FSTR volume
 425   // the upper is insensitive freon
 426   // while the remaining is sensitive
 427   posfp[1] = khpcby*0.5+khmyly+khgraphy+khglasseiy+parfp[1];
 428   gMC->Gspos("FNSE",0,"FSTR", 0., posfp[1],0.,0,"ONLY");
 429   gMC->Gspos("FSEN",0,"FSTR", 0.,-posfp[1],0.,0,"ONLY");
 430
 431   // dividing FSEN along z in knz=2 and along x in knx=48
 432   gMC->Gsdvn("FSEZ","FSEN",knz,3);
 433   gMC->Gsdvn("FSEX","FSEZ",knx,1);
 434
 435   // FPAD volume definition
 436   parfp[0] = klpadx*0.5;
 437   parfp[1] = khsensmy*0.5;
 438   parfp[2] = kwpadz*0.5;
 439   gMC->Gsvolu("FPAD","BOX",idtmed[513],parfp,3);
 440   // positioning the FPAD volumes on previous divisions
 441   gMC->Gspos("FPAD",0,"FSEX",0.,0.,0.,0,"ONLY");
 442
 443   ////  Positioning the Strips  (FSTR) in the FLT volumes  /////
 444
 445   // Plate A (Central)
 446
 447   Float_t t = zFLTC+zFLTB+zFLTA*0.5+ 2*db;//Half Width of Barrel
 448
 449   Float_t gap  = fGapA+0.5; //cm  updated distance between the strip axis
 450   Float_t zpos = 0;
 451   Float_t ang  = 0;
 452   Int_t j=1; // AdC
 453   nrot  = 0;
 454   zcoor = 0;
 455   ycoor = -14.5 + kspace ; //2 cm over front plate
 456
 457   AliMatrix (idrotm[0],  90.,  0.,90.,90.,0., 90.);
 458
 459   Int_t centerLoc= (Int_t)(fNStripA/2.) + 1; // AdC
 460
 461   //gMC->Gspos("FSTR",j,"FLTA",0.,ycoor, 0.,idrotm[0],"ONLY");
 462   gMC->Gspos("FSTR",centerLoc,"FLTA",0.,ycoor, 0.,idrotm[0],"ONLY"); // AdC
 463   if(fDebug>=1) {
 464     printf("%s: %f,  St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,j); // AdC
 465     printf("y = %f,  z = %f, zpos = %f \n",ycoor,zcoor,zpos);
 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     if(fDebug>=1) {
 484       printf("%s: %f,  St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,j); // AdC
 485       printf("y = %f,  z = %f, zpos = %f \n",ycoor,zcoor,zpos);
 486     }
 487     j++; //j += 2; // AdC
 488     upDown*= -1; // Alternate strips
 489     zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
 490       upDown*gap*TMath::Tan(ang)-
 491       (zSenStrip/2)/TMath::Cos(ang);
 492   } while (zcoor-(stripWidth/2)*TMath::Cos(ang)>-t+zFLTC+zFLTB+db*2);
 493
 494   zcoor = zcoor+(zSenStrip/2)/TMath::Cos(ang)+
 495     upDown*gap*TMath::Tan(ang)+
 496     (zSenStrip/2)/TMath::Cos(ang);
 497
 498   gap = fGapB;
 499   zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
 500     upDown*gap*TMath::Tan(ang)-
 501     (zSenStrip/2)/TMath::Cos(ang);
 502
 503   ang = atan(zcoor/radius);
 504   ang *= kRaddeg;
 505   AliMatrix (idrotm[nrot],  90.,  0.,90.-ang,90.,-ang, 90.);
 506   AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
 507   ang /= kRaddeg;
 508
 509   ycoor = -14.5+ kspace; //2 cm over front plate
 510   ycoor += (1-(upDown+1)/2)*gap;
 511   //gMC->Gspos("FSTR",j  ,"FLTA",0.,ycoor, zcoor,idrotm[nrot],  "ONLY");
 512   //gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
 513   gMC->Gspos("FSTR",centerLoc-j,"FLTA",0.,ycoor, zcoor,idrotm[nrot],  "ONLY"); // AdC
 514   gMC->Gspos("FSTR",centerLoc+j,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY"); // AdC
 515   if(fDebug>=1) {
 516     printf("%s: %f,  St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,j); // AdC
 517     printf("y = %f,  z = %f, zpos = %f \n",ycoor,zcoor,zpos);
 518   }
 519   ycoor = -hTof/2.+ kspace;//2 cm over front plate
 520
 521   // Plate  B
 522
 523   nrot = 0;
 524   Int_t i=1; // AdC
 525   upDown = 1;
 526   Float_t deadRegion = 1.0;//cm
 527
 528   zpos = zcoor - (zSenStrip/2)/TMath::Cos(ang)-
 529     upDown*gap*TMath::Tan(ang)-
 530     (zSenStrip/2)/TMath::Cos(ang)-
 531     deadRegion/TMath::Cos(ang);
 532
 533   ang = atan(zpos/radius);
 534   ang *= kRaddeg;
 535   AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
 536   ang /= kRaddeg;
 537   ycoor = -hTof*0.5+ kspace ; //2 cm over front plate
 538   ycoor += (1-(upDown+1)/2)*gap;
 539   zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
 540   gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
 541   if(fDebug>=1) {
 542     printf("%s: %f,  St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
 543     printf("y = %f,  z = %f, zpos = %f \n",ycoor,zcoor,zpos);
 544   }
 545   i++;
 546   upDown*=-1;
 547
 548   do {
 549     zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)-
 550       upDown*gap*TMath::Tan(ang)-
 551       (zSenStrip/2)/TMath::Cos(ang);
 552     ang = atan(zpos/radius);
 553     ang *= kRaddeg;
 554     AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
 555     ang /= kRaddeg;
 556     Float_t deltaSpaceinB=-0.5; // [cm] to avoid overlaps with the end of freon frame
 557     Float_t deltaGapinB=0.5;    // [cm] to avoid overlaps in between initial strips
 558     ycoor = -hTof*0.5+ kspace+deltaSpaceinB ; //2 cm over front plate
 559     ycoor += (1-(upDown+1)/2)*(gap+deltaGapinB);
 560     zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
 561     gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
 562     if(fDebug>=1) {
 563       printf("%s: %f,  St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
 564       printf("y = %f,  z = %f, zpos = %f \n",ycoor,zcoor,zpos);
 565     }
 566     upDown*=-1;
 567     i++;
 568   } while (TMath::Abs(ang*kRaddeg)<22.5);
 569   //till we reach a tilting angle of 22.5 degrees
 570
 571   ycoor = -hTof*0.5+ kspace ; //2 cm over front plate
 572   zpos = zpos - zSenStrip/TMath::Cos(ang);
 573   // this avoid overlaps in between outer strips in plate B
 574   Float_t deltaMovingUp=0.8;    // [cm]
 575   Float_t deltaMovingDown=-0.5; // [cm]
 576
 577   do {
 578     ang = atan(zpos/radius);
 579     ang *= kRaddeg;
 580     AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
 581     ang /= kRaddeg;
 582     zcoor = zpos+(zFLTB/2+zFLTA/2+db);
 583     gMC->Gspos("FSTR",i, "FLTB", 0., ycoor+deltaMovingDown+deltaMovingUp, zcoor,idrotm[nrot], "ONLY");
 584     deltaMovingUp+=0.8; // update delta moving toward the end of the plate
 585     zpos = zpos - zSenStrip/TMath::Cos(ang);
 586     if(fDebug>=1) {
 587       printf("%s: %f,  St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
 588       printf("y = %f,  z = %f, zpos = %f \n",ycoor,zcoor,zpos);
 589     }
 590     i++;
 591
 592   }  while (zpos-stripWidth*0.5/TMath::Cos(ang)>-t+zFLTC+db);
 593
 594   // Plate  C
 595
 596   zpos = zpos + zSenStrip/TMath::Cos(ang);
 597
 598   zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)+
 599     gap*TMath::Tan(ang)-
 600     (zSenStrip/2)/TMath::Cos(ang);
 601
 602   nrot = 0;
 603   i=0;
 604   Float_t deltaGap=-2.5; // [cm] update distance from strip center and plate
 605   ycoor= -hTof*0.5+kspace+gap+deltaGap;
 606
 607   do {
 608     i++;
 609     ang = atan(zpos/radius);
 610     ang *= kRaddeg;
 611     AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
 612     ang /= kRaddeg;
 613     zcoor = zpos+(zFLTC*0.5+zFLTB+zFLTA*0.5+db*2);
 614     gMC->Gspos("FSTR",i, "FLTC", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
 615     if(fDebug>=1) {
 616       printf("%s: %f,  St. %2i, Pl.5 ",ClassName(),ang*kRaddeg,i);
 617       printf("y = %f,  z = %f, zpos = %f \n",ycoor,zcoor,zpos);
 618     }
 619     zpos = zpos - zSenStrip/TMath::Cos(ang);
 620   }  while (zpos-stripWidth*TMath::Cos(ang)*0.5>-t);
 621
 622
 623   ////////// Layers after strips /////////////////
 624   // Al Layer thickness (2.3mm) factor 0.7
 625
 626   Float_t overSpace = fOverSpc;//cm
 627
 628   par[0] = xFLT*0.5;
 629   par[1] = 0.115*0.7; // factor 0.7
 630   par[2] = (zFLTA *0.5);
 631   ycoor = -yFLT/2 + overSpace + par[1];
 632   gMC->Gsvolu("FPEA", "BOX ", idtmed[508], par, 3); // Al
 633   gMC->Gspos ("FPEA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
 634   par[2] = (zFLTB *0.5);
 635   gMC->Gsvolu("FPEB", "BOX ", idtmed[508], par, 3); // Al
 636   gMC->Gspos ("FPEB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
 637   par[2] = (zFLTC *0.5);
 638   gMC->Gsvolu("FPEC", "BOX ", idtmed[508], par, 3); // Al
 639   gMC->Gspos ("FPEC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
 640
 641
 642   // plexiglass thickness: 1.5 mm ; factor 0.3
 643   ycoor += par[1];
 644   par[0] = xFLT*0.5;
 645   par[1] = 0.075*0.3; // factor 0.3
 646   par[2] = (zFLTA *0.5);
 647   ycoor += par[1];
 648   gMC->Gsvolu("FECA", "BOX ", idtmed[505], par, 3); // Plexigl.
 649   gMC->Gspos ("FECA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
 650   par[2] = (zFLTB *0.5);
 651   gMC->Gsvolu("FECB", "BOX ", idtmed[505], par, 3); // Plexigl.
 652   gMC->Gspos ("FECB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
 653   par[2] = (zFLTC *0.5);
 654   gMC->Gsvolu("FECC", "BOX ", idtmed[505], par, 3); // Plexigl.
 655   gMC->Gspos ("FECC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
 656
 657   // frame of Air
 658   ycoor += par[1];
 659   par[0] = xFLT*0.5;
 660   par[1] = (yFLT/2-ycoor-khAlWall)*0.5; // Aluminum layer considered (0.18 cm)
 661   par[2] = (zFLTA *0.5);
 662   ycoor += par[1];
 663   gMC->Gsvolu("FAIA", "BOX ", idtmed[500], par, 3); // Air
 664   gMC->Gspos ("FAIA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
 665   par[2] = (zFLTB *0.5);
 666   gMC->Gsvolu("FAIB", "BOX ", idtmed[500], par, 3); // Air
 667   gMC->Gspos ("FAIB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
 668   par[2] = (zFLTC *0.5);
 669   gMC->Gsvolu("FAIC", "BOX ", idtmed[500], par, 3); // Air
 670   gMC->Gspos ("FAIC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
 671
 672
 673   // start with cards and cooling tubes
 674   // finally, cards, cooling tubes and layer for thermal dispersion
 675   // 3 volumes
 676   // card volume definition
 677
 678   // see GEOM200 in GEANT manual
 679   AliMatrix(idrotm[98], 90., 0., 90., 90., 0., 0.); // 0 deg
 680
 681   Float_t cardpar[3];
 682   cardpar[0]= 61.;
 683   cardpar[1]= 5.;
 684   cardpar[2]= 0.1;
 685   gMC->Gsvolu("FCAR", "BOX ", idtmed[504], cardpar, 3); // PCB Card
 686   //alu plate volume definition
 687   cardpar[1]= 3.5;
 688   cardpar[2]= 0.05;
 689   gMC->Gsvolu("FALP", "BOX ", idtmed[508], cardpar, 3); // Alu Plate
 690
 691
 692   // central module positioning (FAIA)
 693   Float_t cardpos[3], aplpos2, stepforcardA=6.625;
 694   cardpos[0]= 0.;
 695   cardpos[1]= -0.5;
 696   cardpos[2]= -53.;
 697   Float_t aplpos1 = -2.;
 698   Int_t icard;
 699   for (icard=0; icard<15; ++icard) {
 700     cardpos[2]= cardpos[2]+stepforcardA;
 701     aplpos2 = cardpos[2]+0.15;
 702     gMC->Gspos("FCAR",icard,"FAIA",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
 703     gMC->Gspos("FALP",icard,"FAIA",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
 704
 705   }
 706
 707
 708   // intermediate module positioning (FAIB)
 709   Float_t stepforcardB= 7.05;
 710   cardpos[2]= -70.5;
 711   for (icard=0; icard<19; ++icard) {
 712     cardpos[2]= cardpos[2]+stepforcardB;
 713     aplpos2 = cardpos[2]+0.15;
 714     gMC->Gspos("FCAR",icard,"FAIB",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
 715     gMC->Gspos("FALP",icard,"FAIB",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
 716   }
 717
 718
 719   // outer module positioning (FAIC)
 720   Float_t stepforcardC= 8.45238;
 721   cardpos[2]= -88.75;
 722   for (icard=0; icard<20; ++icard) {
 723     cardpos[2]= cardpos[2]+stepforcardC;
 724     aplpos2 = cardpos[2]+0.15;
 725     gMC->Gspos("FCAR",icard,"FAIC",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
 726     gMC->Gspos("FALP",icard,"FAIC",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
 727   }
 728
 729   // tube volume definition
 730   Float_t tubepar[3];
 731   tubepar[0]= 0.;
 732   tubepar[1]= 0.4;
 733   tubepar[2]= 61.;
 734   gMC->Gsvolu("FTUB", "TUBE", idtmed[516], tubepar, 3); // cooling tubes (steel)
 735   tubepar[0]= 0.;
 736   tubepar[1]= 0.35;
 737   tubepar[2]= 61.;
 738   gMC->Gsvolu("FITU", "TUBE", idtmed[515], tubepar, 3); // cooling water
 739   // positioning water tube into the steel one
 740   gMC->Gspos("FITU",1,"FTUB",0.,0.,0.,0,"ONLY");
 741
 742
 743   // rotation matrix
 744   AliMatrix(idrotm[99], 180., 90., 90., 90., 90., 0.);
 745   // central module positioning (FAIA)
 746   Float_t tubepos[3], tdis=0.6;
 747   tubepos[0]= 0.;
 748   tubepos[1]= cardpos[1];
 749   tubepos[2]= -53.+tdis;
 750   //  tub1pos = 5.;
 751   Int_t itub;
 752   for (itub=0; itub<15; ++itub) {
 753     tubepos[2]= tubepos[2]+stepforcardA;
 754     gMC->Gspos("FTUB",itub,"FAIA",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
 755                "ONLY");
 756   }
 757
 758
 759   // intermediate module positioning (FAIB)
 760   tubepos[2]= -70.5+tdis;
 761   for (itub=0; itub<19; ++itub) {
 762     tubepos[2]= tubepos[2]+stepforcardB;
 763     gMC->Gspos("FTUB",itub,"FAIB",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
 764                "ONLY");
 765   }
 766
 767   // outer module positioning (FAIC)
 768   tubepos[2]= -88.75+tdis;
 769   for (itub=0; itub<20; ++itub) {
 770     tubepos[2]= tubepos[2]+stepforcardC;
 771     gMC->Gspos("FTUB",itub,"FAIC",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
 772                "ONLY");
 773   }
 774
 775 }
 776
 777 //_____________________________________________________________________________
 778 void AliTOFv1::DrawModule() const
 779 {
 780   //
 781   // Draw a shaded view of the Time Of Flight version 1
 782   //
 783   // Set everything unseen
 784   gMC->Gsatt("*", "seen", -1);
 785   //
 786   // Set ALIC mother transparent
 787   gMC->Gsatt("ALIC","SEEN",0);
 788   //
 789   // Set the volumes visible
 790   gMC->Gsatt("ALIC","SEEN",0);
 791
 792   gMC->Gsatt("FTOA","SEEN",1);
 793   gMC->Gsatt("FTOB","SEEN",1);
 794   gMC->Gsatt("FTOC","SEEN",1);
 795   gMC->Gsatt("FLTA","SEEN",1);
 796   gMC->Gsatt("FLTB","SEEN",1);
 797   gMC->Gsatt("FLTC","SEEN",1);
 798   gMC->Gsatt("FPLA","SEEN",1);
 799   gMC->Gsatt("FPLB","SEEN",1);
 800   gMC->Gsatt("FPLC","SEEN",1);
 801   gMC->Gsatt("FSTR","SEEN",1);
 802   gMC->Gsatt("FPEA","SEEN",1);
 803   gMC->Gsatt("FPEB","SEEN",1);
 804   gMC->Gsatt("FPEC","SEEN",1);
 805
 806   gMC->Gsatt("FLZ1","SEEN",0);
 807   gMC->Gsatt("FLZ2","SEEN",0);
 808   gMC->Gsatt("FLZ3","SEEN",0);
 809   gMC->Gsatt("FLX1","SEEN",0);
 810   gMC->Gsatt("FLX2","SEEN",0);
 811   gMC->Gsatt("FLX3","SEEN",0);
 812   gMC->Gsatt("FPAD","SEEN",0);
 813
 814   gMC->Gdopt("hide", "on");
 815   gMC->Gdopt("shad", "on");
 816   gMC->Gsatt("*", "fill", 7);
 817   gMC->SetClipBox(".");
 818   gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
 819   gMC->DefaultRange();
 820   gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02);
 821   gMC->Gdhead(1111, "Time Of Flight");
 822   gMC->Gdman(18, 4, "MAN");
 823   gMC->Gdopt("hide","off");
 824 }
 825 //_____________________________________________________________________________
 826 void AliTOFv1::DrawDetectorModules()
 827 {
 828 //
 829 // Draw a shaded view of the TOF detector version 1
 830 //
 831
 832 //Set ALIC mother transparent
 833  gMC->Gsatt("ALIC","SEEN",0);
 834
 835 //
 836 //Set volumes visible
 837 //
 838 //=====> Level 1
 839   // Level 1 for TOF volumes
 840   gMC->Gsatt("B077","seen",0);
 841
 842
 843 //==========> Level 2
 844   // Level 2
 845   gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
 846   gMC->Gsatt("B071","seen",0);
 847   gMC->Gsatt("B074","seen",0);
 848   gMC->Gsatt("B075","seen",0);
 849   gMC->Gsatt("B080","seen",0); // B080 does not has sub-level
 850
 851
 852   // Level 2 of B071
 853   gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped   -
 854   gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped   -
 855   gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped   -
 856   gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped   -
 857   gMC->Gsatt("B056","seen",0);  // B056 does not has sub-levels  -
 858   gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped   -
 859   gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped   -
 860   gMC->Gsatt("BTR1","seen",0);  // BTR1 do not have sub-levels   -
 861   gMC->Gsatt("BTO1","seen",0);
 862
 863
 864   // Level 2 of B074
 865   gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
 866   gMC->Gsatt("BTO2","seen",0);
 867
 868   // Level 2 of B075
 869   gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
 870   gMC->Gsatt("BTO3","seen",0);
 871
 872 // ==================> Level 3
 873   // Level 3 of B071 / Level 2 of BTO1
 874   gMC->Gsatt("FTOC","seen",-2);
 875   gMC->Gsatt("FTOB","seen",-2);
 876   gMC->Gsatt("FTOA","seen",-2);
 877
 878   // Level 3 of B074 / Level 2 of BTO2
 879   // -> cfr previous settings
 880
 881   // Level 3 of B075 / Level 2 of BTO3
 882   // -> cfr previous settings
 883
 884   gMC->Gdopt("hide","on");
 885   gMC->Gdopt("shad","on");
 886   gMC->Gsatt("*", "fill", 5);
 887   gMC->SetClipBox(".");
 888   gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
 889   gMC->DefaultRange();
 890   gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
 891   gMC->Gdhead(1111,"TOF detector V1");
 892   gMC->Gdman(18, 4, "MAN");
 893   gMC->Gdopt("hide","off");
 894 }
 895
 896 //_____________________________________________________________________________
 897 void AliTOFv1::DrawDetectorStrips()
 898 {
 899 //
 900 // Draw a shaded view of the TOF strips for version 1
 901 //
 902
 903 //Set ALIC mother transparent
 904  gMC->Gsatt("ALIC","SEEN",0);
 905
 906 //
 907 //Set volumes visible
 908 //=====> Level 1
 909   // Level 1 for TOF volumes
 910   gMC->Gsatt("B077","seen",0);
 911
 912 //==========> Level 2
 913   // Level 2
 914   gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
 915   gMC->Gsatt("B071","seen",0);
 916   gMC->Gsatt("B074","seen",0);
 917   gMC->Gsatt("B075","seen",0);
 918   gMC->Gsatt("B080","seen",0); // B080 does not has sub-level
 919
 920   // Level 2 of B071
 921   gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped   -
 922   gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped   -
 923   gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped   -
 924   gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped   -
 925   gMC->Gsatt("B056","seen",0);  // B056 does not has sub-levels  -
 926   gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped   -
 927   gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped   -
 928   gMC->Gsatt("BTR1","seen",0);  // BTR1 do not have sub-levels   -
 929   gMC->Gsatt("BTO1","seen",0);
 930
 931 // ==================> Level 3
 932   // Level 3 of B071 / Level 2 of BTO1
 933   gMC->Gsatt("FTOC","seen",0);
 934   gMC->Gsatt("FTOB","seen",0);
 935   gMC->Gsatt("FTOA","seen",0);
 936
 937   // Level 3 of B074 / Level 2 of BTO2
 938   // -> cfr previous settings
 939
 940   // Level 3 of B075 / Level 2 of BTO3
 941   // -> cfr previous settings
 942
 943
 944 // ==========================> Level 4
 945   // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOC
 946   gMC->Gsatt("FLTC","seen",0);
 947   // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOB
 948   gMC->Gsatt("FLTB","seen",0);
 949   // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOA
 950   gMC->Gsatt("FLTA","seen",0);
 951
 952   // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOC
 953   // -> cfr previous settings
 954   // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOB
 955   // -> cfr previous settings
 956
 957   // Level 4 of B075 / Level 3 of BTO3 / Level 2 of FTOC
 958   // -> cfr previous settings
 959
 960 //======================================> Level 5
 961   // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOC / Level 2 of FLTC
 962   gMC->Gsatt("FALC","seen",0); // no children for FALC
 963   gMC->Gsatt("FSTR","seen",-2);
 964   gMC->Gsatt("FPEC","seen",0); // no children for FPEC
 965   gMC->Gsatt("FECC","seen",0); // no children for FECC
 966   gMC->Gsatt("FWAC","seen",0); // no children for FWAC
 967   gMC->Gsatt("FAIC","seen",0); // no children for FAIC
 968
 969   // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOB / Level 2 of FLTB
 970   gMC->Gsatt("FALB","seen",0); // no children for FALB
 971 //-->  gMC->Gsatt("FSTR","seen",-2);
 972
 973
 974   // -> cfr previous settings
 975   gMC->Gsatt("FPEB","seen",0); // no children for FPEB
 976   gMC->Gsatt("FECB","seen",0); // no children for FECB
 977   gMC->Gsatt("FWAB","seen",0); // no children for FWAB
 978   gMC->Gsatt("FAIB","seen",0); // no children for FAIB
 979
 980   // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOA / Level 2 of FLTA
 981   gMC->Gsatt("FALA","seen",0); // no children for FALB
 982 //-->  gMC->Gsatt("FSTR","seen",-2);
 983   // -> cfr previous settings
 984   gMC->Gsatt("FPEA","seen",0); // no children for FPEA
 985   gMC->Gsatt("FECA","seen",0); // no children for FECA
 986   gMC->Gsatt("FWAA","seen",0); // no children for FWAA
 987   gMC->Gsatt("FAIA","seen",0); // no children for FAIA
 988
 989   // Level 2 of B074
 990   gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
 991   gMC->Gsatt("BTO2","seen",0);
 992
 993   // Level 2 of B075
 994   gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
 995   gMC->Gsatt("BTO3","seen",0);
 996
 997 // for others Level 5, cfr. previous settings
 998
 999   gMC->Gdopt("hide","on");
1000   gMC->Gdopt("shad","on");
1001   gMC->Gsatt("*", "fill", 5);
1002   gMC->SetClipBox(".");
1003   gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
1004   gMC->DefaultRange();
1005   gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
1006   gMC->Gdhead(1111,"TOF Strips V1");
1007   gMC->Gdman(18, 4, "MAN");
1008   gMC->Gdopt("hide","off");
1009 }
1010
1011 //_____________________________________________________________________________
1012 void AliTOFv1::CreateMaterials()
1013 {
1014   //
1015   // Define materials for the Time Of Flight
1016   //
1017   AliTOF::CreateMaterials();
1018 }
1019
1020 //_____________________________________________________________________________
1021 void AliTOFv1::Init()
1022 {
1023   //
1024   // Initialise the detector after the geometry has been defined
1025   //
1026   printf("**************************************"
1027          "  TOF  "
1028          "**************************************\n");
1029   printf("\n   Version 1 of TOF initialing, "
1030               "TOF with holes for PHOS detector\n");
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   printf("**************************************"
1042          "  TOF  "
1043          "**************************************\n");
1044 }
1045
1046 //_____________________________________________________________________________
1047 void AliTOFv1::StepManager()
1048 {
1049   //
1050   // Procedure called at each step in the Time Of Flight
1051   //
1052   TLorentzVector mom, pos;
1053   Float_t xm[3],pm[3],xpad[3],ppad[3];
1054   Float_t hits[13],phi,phid,z;
1055   Int_t   vol[5];
1056   Int_t   sector, plate, padx, padz, strip;
1057   Int_t   copy, padzid, padxid, stripid, i;
1058   Int_t   *idtmed = fIdtmed->GetArray()-499;
1059   Float_t incidenceAngle;
1060
1061   if(gMC->CurrentMedium()==idtmed[513] &&
1062      gMC->IsTrackEntering() && gMC->TrackCharge()
1063      && gMC->CurrentVolID(copy)==fIdSens)
1064   {
1065     // getting information about hit volumes
1066
1067     padzid=gMC->CurrentVolOffID(2,copy);
1068     padz=copy;
1069
1070     padxid=gMC->CurrentVolOffID(1,copy);
1071     padx=copy;
1072
1073     stripid=gMC->CurrentVolOffID(4,copy);
1074     strip=copy;
1075
1076     gMC->TrackPosition(pos);
1077     gMC->TrackMomentum(mom);
1078
1079 //    Double_t NormPos=1./pos.Rho();
1080     Double_t normMom=1./mom.Rho();
1081
1082 //  getting the cohordinates in pad ref system
1083     xm[0] = (Float_t)pos.X();
1084     xm[1] = (Float_t)pos.Y();
1085     xm[2] = (Float_t)pos.Z();
1086
1087     pm[0] = (Float_t)mom.X()*normMom;
1088     pm[1] = (Float_t)mom.Y()*normMom;
1089     pm[2] = (Float_t)mom.Z()*normMom;
1090
1091     gMC->Gmtod(xm,xpad,1);
1092     gMC->Gmtod(pm,ppad,2);
1093
1094     if(ppad[1]>1.) ppad[1]=1.;
1095     if(ppad[1]<-1.) ppad[1]=-1.;
1096
1097     incidenceAngle = TMath::ACos(ppad[1])*kRaddeg;
1098
1099     z = pos[2];
1100
1101     plate = 0;
1102     if (TMath::Abs(z) <=  fZlenA*0.5)  plate = 2; //3; // AdC
1103     if (z < (fZlenA*0.5+fZlenB) &&
1104         z >  fZlenA*0.5)               plate = 1; //4; // AdC
1105     if (z >-(fZlenA*0.5+fZlenB) &&
1106         z < -fZlenA*0.5)               plate = 3; //2; // AdC
1107     if (z > (fZlenA*0.5+fZlenB))       plate = 0; //5; // AdC
1108     if (z <-(fZlenA*0.5+fZlenB))       plate = 4; //1; // AdC
1109
1110     if (plate==0) strip=AliTOFConstants::fgkNStripC-strip; // AdC
1111     else if (plate==1) strip=AliTOFConstants::fgkNStripB-strip; // AdC
1112     else strip--; // AdC
1113
1114     if (z<=0.) padx=AliTOFConstants::fgkNpadX-padx; // AdC
1115     else padx--; // AdC
1116
1117     if (plate==3 || plate==4) padz=AliTOFConstants::fgkNpadZ-padz; // AdC
1118     else padz--; // AdC
1119
1120     phi = pos.Phi();
1121     if (phi>=0.) phid = phi*kRaddeg; //+180.; // AdC
1122     else phid = phi*kRaddeg + 360.; // AdC
1123     sector = Int_t (phid/20.);
1124     //sector++; // AdC
1125
1126     for(i=0;i<3;++i) {
1127       hits[i]   = pos[i];
1128       hits[i+3] = pm[i];
1129     }
1130
1131     hits[6] = mom.Rho();
1132     hits[7] = pos[3];
1133     hits[8] = xpad[0];
1134     hits[9] = xpad[1];
1135     hits[10]= xpad[2];
1136     hits[11]= incidenceAngle;
1137     hits[12]= gMC->Edep();
1138
1139     vol[0]= sector;
1140     vol[1]= plate;
1141     vol[2]= strip;
1142     vol[3]= padx;
1143     vol[4]= padz;
1144
1145     AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(),vol, hits);
1146   }
1147 }
1148