TRD/AliTRDgeometry.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  *                                                                        *
   7  * Permission to use, copy, modify and distribute this software and its   *
   8  * documentation strictly for non-commercial purposes is hereby granted   *
   9  * without fee, provided that the above copyright notice appears in all   *
  10  * copies and that both the copyright notice and this permission notice   *
  11  * appear in the supporting documentation. The authors make no claims     *
  12  * about the suitability of this software for any purpose. It is          *
  13  * provided "as is" without express or implied warranty.                  *
  14  **************************************************************************/
  15
  16 /* $Id$ */
  17
  18 ///////////////////////////////////////////////////////////////////////////////
  19 //                                                                           //
  20 //  TRD geometry class                                                       //
  21 //                                                                           //
  22 ///////////////////////////////////////////////////////////////////////////////
  23
  24
  25 #include <TGeoManager.h>
  26 #include <TGeoPhysicalNode.h>
  27 #include <TGeoMatrix.h>
  28
  29 #include "AliLog.h"
  30 #include "AliRunLoader.h"
  31 #include "AliAlignObj.h"
  32 #include "AliAlignObjParams.h"
  33 #include "AliRun.h"
  34
  35 #include "AliTRD.h"
  36 #include "AliTRDcalibDB.h"
  37 #include "AliTRDgeometry.h"
  38 #include "AliTRDpadPlane.h"
  39
  40 ClassImp(AliTRDgeometry)
  41
  42 //_____________________________________________________________________________
  43
  44   //
  45   // The geometry constants
  46   //
  47   const Int_t    AliTRDgeometry::fgkNsector   = kNsector;
  48   const Int_t    AliTRDgeometry::fgkNlayer    = kNlayer;
  49   const Int_t    AliTRDgeometry::fgkNstack    = kNstack;
  50   const Int_t    AliTRDgeometry::fgkNdet      = kNdet;
  51
  52   //
  53   // Dimensions of the detector
  54   //
  55
  56   // Total length of the TRD mother volume
  57   const Float_t  AliTRDgeometry::fgkTlength   = 751.0;
  58
  59   // Parameter of the super module mother volumes
  60   const Float_t  AliTRDgeometry::fgkSheight   =  77.9;
  61   const Float_t  AliTRDgeometry::fgkSwidth1   =  94.881;
  62   const Float_t  AliTRDgeometry::fgkSwidth2   = 122.353;
  63   const Float_t  AliTRDgeometry::fgkSlength   = 702.0;
  64
  65   // Length of the additional space in front of the supermodule
  66   // used for services
  67   const Float_t  AliTRDgeometry::fgkFlength   = (AliTRDgeometry::fgkTlength
  68                                                - AliTRDgeometry::fgkSlength) / 2.0;
  69
  70   // The super module side plates
  71   const Float_t  AliTRDgeometry::fgkSMpltT    =   0.2;
  72
  73   // Height of different chamber parts
  74   // Radiator
  75   const Float_t  AliTRDgeometry::fgkCraH      =   4.8;
  76   // Drift region
  77   const Float_t  AliTRDgeometry::fgkCdrH      =   3.0;
  78   // Amplification region
  79   const Float_t  AliTRDgeometry::fgkCamH      =   0.7;
  80   // Readout
  81   const Float_t  AliTRDgeometry::fgkCroH      =   2.316;
  82   // Total height
  83   const Float_t  AliTRDgeometry::fgkCH        = AliTRDgeometry::fgkCraH
  84                                               + AliTRDgeometry::fgkCdrH
  85                                               + AliTRDgeometry::fgkCamH
  86                                               + AliTRDgeometry::fgkCroH;
  87
  88   // Vertical spacing of the chambers
  89   const Float_t  AliTRDgeometry::fgkVspace    =   1.784;
  90   // Horizontal spacing of the chambers
  91   const Float_t  AliTRDgeometry::fgkHspace    =   2.0;
  92   // Radial distance of the first ROC to the outer plates of the SM
  93   const Float_t  AliTRDgeometry::fgkVrocsm    =   1.2;
  94
  95   // Thicknesses of different parts of the chamber frame
  96   // Lower aluminum frame
  97   const Float_t  AliTRDgeometry::fgkCalT      =   0.4;
  98   // Lower Wacosit frame sides
  99   const Float_t  AliTRDgeometry::fgkCclsT     =   0.21;
 100   // Lower Wacosit frame front
 101   const Float_t  AliTRDgeometry::fgkCclfT     =   1.0;
 102   // Thickness of glue around radiator
 103   const Float_t  AliTRDgeometry::fgkCglT      =   0.25;
 104   // Upper Wacosit frame
 105   const Float_t  AliTRDgeometry::fgkCcuT      =   0.9;
 106   // Al frame of back panel
 107   const Float_t  AliTRDgeometry::fgkCauT      =   1.5;
 108   // Additional Al of the lower chamber frame
 109   const Float_t  AliTRDgeometry::fgkCalW      =   1.11;
 110
 111   // Additional width of the readout chamber frames
 112   const Float_t  AliTRDgeometry::fgkCroW      =   0.9;
 113
 114   // Difference of outer chamber width and pad plane width
 115   const Float_t  AliTRDgeometry::fgkCpadW     =   0.0;
 116   const Float_t  AliTRDgeometry::fgkRpadW     =   1.0;
 117
 118   //
 119   // Thickness of the the material layers
 120   //
 121   const Float_t  AliTRDgeometry::fgkMyThick   = 0.005;
 122   const Float_t  AliTRDgeometry::fgkRaThick   = 0.3233;
 123   const Float_t  AliTRDgeometry::fgkDrThick   = AliTRDgeometry::fgkCdrH;
 124   const Float_t  AliTRDgeometry::fgkAmThick   = AliTRDgeometry::fgkCamH;
 125   const Float_t  AliTRDgeometry::fgkXeThick   = AliTRDgeometry::fgkDrThick
 126                                               + AliTRDgeometry::fgkAmThick;
 127   const Float_t  AliTRDgeometry::fgkWrThick   = 0.0002;
 128   const Float_t  AliTRDgeometry::fgkCuThick   = 0.0072;
 129   const Float_t  AliTRDgeometry::fgkGlThick   = 0.05;
 130   const Float_t  AliTRDgeometry::fgkSuThick   = 0.0919;
 131   const Float_t  AliTRDgeometry::fgkRcThick   = 0.0058;
 132   const Float_t  AliTRDgeometry::fgkRpThick   = 0.0632;
 133   const Float_t  AliTRDgeometry::fgkRoThick   = 0.0028;
 134
 135   //
 136   // Position of the material layers
 137   //
 138   const Float_t  AliTRDgeometry::fgkRaZpos    =  0.0;
 139   const Float_t  AliTRDgeometry::fgkDrZpos    =  2.4;
 140   const Float_t  AliTRDgeometry::fgkAmZpos    =  0.0;
 141   const Float_t  AliTRDgeometry::fgkWrZpos    =  0.0;
 142   const Float_t  AliTRDgeometry::fgkCuZpos    = -0.9995;
 143   const Float_t  AliTRDgeometry::fgkGlZpos    = -0.5;
 144   const Float_t  AliTRDgeometry::fgkSuZpos    =  0.0;
 145   const Float_t  AliTRDgeometry::fgkRcZpos    =  1.04;
 146   const Float_t  AliTRDgeometry::fgkRpZpos    =  1.0;
 147   const Float_t  AliTRDgeometry::fgkRoZpos    =  1.05;
 148
 149   const Int_t    AliTRDgeometry::fgkMCMmax    = 16;
 150   const Int_t    AliTRDgeometry::fgkMCMrow    = 4;
 151   const Int_t    AliTRDgeometry::fgkROBmaxC0  = 6;
 152   const Int_t    AliTRDgeometry::fgkROBmaxC1  = 8;
 153   const Int_t    AliTRDgeometry::fgkADCmax    = 21;
 154   const Int_t    AliTRDgeometry::fgkTBmax     = 60;
 155   const Int_t    AliTRDgeometry::fgkPadmax    = 18;
 156   const Int_t    AliTRDgeometry::fgkColmax    = 144;
 157   const Int_t    AliTRDgeometry::fgkRowmaxC0  = 12;
 158   const Int_t    AliTRDgeometry::fgkRowmaxC1  = 16;
 159
 160   const Double_t AliTRDgeometry::fgkTime0Base = 300.65;
 161   const Float_t  AliTRDgeometry::fgkTime0[6]  = { fgkTime0Base + 0 * (Cheight() + Cspace())
 162                                                 , fgkTime0Base + 1 * (Cheight() + Cspace())
 163                                                 , fgkTime0Base + 2 * (Cheight() + Cspace())
 164                                                 , fgkTime0Base + 3 * (Cheight() + Cspace())
 165                                                 , fgkTime0Base + 4 * (Cheight() + Cspace())
 166                                                 , fgkTime0Base + 5 * (Cheight() + Cspace())};
 167
 168 //_____________________________________________________________________________
 169 AliTRDgeometry::AliTRDgeometry()
 170   :AliGeometry()
 171   ,fClusterMatrixArray(0)
 172   ,fPadPlaneArray(0)
 173 {
 174   //
 175   // AliTRDgeometry default constructor
 176   //
 177
 178   Init();
 179
 180 }
 181
 182 //_____________________________________________________________________________
 183 AliTRDgeometry::AliTRDgeometry(const AliTRDgeometry &g)
 184   :AliGeometry(g)
 185   ,fClusterMatrixArray(0)
 186   ,fPadPlaneArray(0)
 187 {
 188   //
 189   // AliTRDgeometry copy constructor
 190   //
 191
 192   Init();
 193
 194 }
 195
 196 //_____________________________________________________________________________
 197 AliTRDgeometry::~AliTRDgeometry()
 198 {
 199   //
 200   // AliTRDgeometry destructor
 201   //
 202
 203   if (fClusterMatrixArray) {
 204     fClusterMatrixArray->Delete();
 205     delete fClusterMatrixArray;
 206     fClusterMatrixArray = 0;
 207   }
 208
 209   if (fPadPlaneArray) {
 210     fPadPlaneArray->Delete();
 211     delete fPadPlaneArray;
 212     fPadPlaneArray = 0;
 213   }
 214
 215 }
 216
 217 //_____________________________________________________________________________
 218 AliTRDgeometry &AliTRDgeometry::operator=(const AliTRDgeometry &g)
 219 {
 220   //
 221   // Assignment operator
 222   //
 223
 224   if (this != &g) {
 225     Init();
 226   }
 227
 228   return *this;
 229
 230 }
 231
 232 //_____________________________________________________________________________
 233 void AliTRDgeometry::Init()
 234 {
 235   //
 236   // Initializes the geometry parameter
 237   //
 238
 239   Int_t istack;
 240   Int_t ilayer;
 241   Int_t isector;
 242
 243   // The outer width of the chambers
 244   fCwidth[0] =  90.4;
 245   fCwidth[1] =  94.8;
 246   fCwidth[2] =  99.3;
 247   fCwidth[3] = 103.7;
 248   fCwidth[4] = 108.1;
 249   fCwidth[5] = 112.6;
 250
 251   // The outer lengths of the chambers
 252   // Includes the spacings between the chambers!
 253   Float_t length[kNlayer][kNstack]   = { { 124.0, 124.0, 110.0, 124.0, 124.0 }
 254                                        , { 124.0, 124.0, 110.0, 124.0, 124.0 }
 255                                        , { 131.0, 131.0, 110.0, 131.0, 131.0 }
 256                                        , { 138.0, 138.0, 110.0, 138.0, 138.0 }
 257                                        , { 145.0, 145.0, 110.0, 145.0, 145.0 }
 258                                        , { 147.0, 147.0, 110.0, 147.0, 147.0 } };
 259
 260   for (istack = 0; istack < kNstack; istack++) {
 261     for (ilayer = 0; ilayer < kNlayer; ilayer++) {
 262       fClength[ilayer][istack] = length[ilayer][istack];
 263     }
 264   }
 265
 266   // The rotation matrix elements
 267   Float_t phi = 0.0;
 268   for (isector = 0; isector < fgkNsector; isector++) {
 269     phi = 2.0 * TMath::Pi() /  (Float_t) fgkNsector * ((Float_t) isector + 0.5);
 270     fRotB11[isector] = TMath::Cos(phi);
 271     fRotB12[isector] = TMath::Sin(phi);
 272     fRotB21[isector] = TMath::Sin(phi);
 273     fRotB22[isector] = TMath::Cos(phi);
 274   }
 275
 276   // Initialize the SM status
 277   for (isector = 0; isector < fgkNsector; isector++) {
 278     SetSMstatus(isector,1);
 279   }
 280
 281 }
 282
 283 //_____________________________________________________________________________
 284 void AliTRDgeometry::CreatePadPlaneArray()
 285 {
 286   //
 287   // Creates the array of AliTRDpadPlane objects
 288   //
 289
 290   if (fPadPlaneArray) {
 291     fPadPlaneArray->Delete();
 292     delete fPadPlaneArray;
 293   }
 294
 295   fPadPlaneArray = new TObjArray(fgkNlayer * fgkNstack);
 296   for (Int_t ilayer = 0; ilayer < fgkNlayer; ilayer++) {
 297     for (Int_t istack = 0; istack < fgkNstack; istack++) {
 298       Int_t ipp = GetDetectorSec(ilayer,istack);
 299       fPadPlaneArray->AddAt(CreatePadPlane(ilayer,istack),ipp);
 300     }
 301   }
 302
 303 }
 304
 305 //_____________________________________________________________________________
 306 AliTRDpadPlane *AliTRDgeometry::CreatePadPlane(Int_t ilayer, Int_t istack)
 307 {
 308   //
 309   // Creates an AliTRDpadPlane object
 310   //
 311
 312   AliTRDpadPlane *padPlane = new AliTRDpadPlane();
 313
 314   padPlane->SetLayer(ilayer);
 315   padPlane->SetStack(istack);
 316
 317   padPlane->SetRowSpacing(0.0);
 318   padPlane->SetColSpacing(0.0);
 319
 320   padPlane->SetLengthRim(1.0);
 321   padPlane->SetWidthRim(0.5);
 322
 323   padPlane->SetNcols(144);
 324
 325   //
 326   // The pad plane parameter
 327   //
 328   switch (ilayer) {
 329   case 0:
 330     if (istack == 2) {
 331       // L0C0 type
 332       padPlane->SetNrows(12);
 333       padPlane->SetLength(108.0);
 334       padPlane->SetWidth(92.2);
 335       padPlane->SetLengthOPad(8.0);
 336       padPlane->SetWidthOPad(0.515);
 337       padPlane->SetLengthIPad(9.0);
 338       padPlane->SetWidthIPad(0.635);
 339       padPlane->SetTiltingAngle(-2.0);
 340     }
 341     else {
 342       // L0C1 type
 343       padPlane->SetNrows(16);
 344       padPlane->SetLength(122.0);
 345       padPlane->SetWidth(92.2);
 346       padPlane->SetLengthOPad(7.5);
 347       padPlane->SetWidthOPad(0.515);
 348       padPlane->SetLengthIPad(7.5);
 349       padPlane->SetWidthIPad(0.635);
 350       padPlane->SetTiltingAngle(-2.0);
 351     }
 352     break;
 353   case 1:
 354     if (istack == 2) {
 355       // L1C0 type
 356       padPlane->SetNrows(12);
 357       padPlane->SetLength(108.0);
 358       padPlane->SetWidth(96.6);
 359       padPlane->SetLengthOPad(8.0);
 360       padPlane->SetWidthOPad(0.585);
 361       padPlane->SetLengthIPad(9.0);
 362       padPlane->SetWidthIPad(0.665);
 363       padPlane->SetTiltingAngle(2.0);
 364     }
 365     else {
 366       // L1C1 type
 367       padPlane->SetNrows(16);
 368       padPlane->SetLength(122.0);
 369       padPlane->SetWidth(96.6);
 370       padPlane->SetLengthOPad(7.5);
 371       padPlane->SetWidthOPad(0.585);
 372       padPlane->SetLengthIPad(7.5);
 373       padPlane->SetWidthIPad(0.665);
 374       padPlane->SetTiltingAngle(2.0);
 375     }
 376     break;
 377   case 2:
 378     if (istack == 2) {
 379       // L2C0 type
 380       padPlane->SetNrows(12);
 381       padPlane->SetLength(108.0);
 382       padPlane->SetWidth(101.1);
 383       padPlane->SetLengthOPad(8.0);
 384       padPlane->SetWidthOPad(0.705);
 385       padPlane->SetLengthIPad(9.0);
 386       padPlane->SetWidthIPad(0.695);
 387       padPlane->SetTiltingAngle(-2.0);
 388     }
 389     else {
 390       // L2C1 type
 391       padPlane->SetNrows(16);
 392       padPlane->SetLength(129.0);
 393       padPlane->SetWidth(101.1);
 394       padPlane->SetLengthOPad(7.5);
 395       padPlane->SetWidthOPad(0.705);
 396       padPlane->SetLengthIPad(8.0);
 397       padPlane->SetWidthIPad(0.695);
 398       padPlane->SetTiltingAngle(-2.0);
 399     }
 400     break;
 401   case 3:
 402     if (istack == 2) {
 403       // L3C0 type
 404       padPlane->SetNrows(12);
 405       padPlane->SetLength(108.0);
 406       padPlane->SetWidth(105.5);
 407       padPlane->SetLengthOPad(8.0);
 408       padPlane->SetWidthOPad(0.775);
 409       padPlane->SetLengthIPad(9.0);
 410       padPlane->SetWidthIPad(0.725);
 411       padPlane->SetTiltingAngle(2.0);
 412     }
 413     else {
 414       // L3C1 type
 415       padPlane->SetNrows(16);
 416       padPlane->SetLength(136.0);
 417       padPlane->SetWidth(105.5);
 418       padPlane->SetLengthOPad(7.5);
 419       padPlane->SetWidthOPad(0.775);
 420       padPlane->SetLengthIPad(8.5);
 421       padPlane->SetWidthIPad(0.725);
 422       padPlane->SetTiltingAngle(2.0);
 423     }
 424     break;
 425   case 4:
 426     if (istack == 2) {
 427       // L4C0 type
 428       padPlane->SetNrows(12);
 429       padPlane->SetLength(108.0);
 430       padPlane->SetWidth(109.9);
 431       padPlane->SetLengthOPad(8.0);
 432       padPlane->SetWidthOPad(0.845);
 433       padPlane->SetLengthIPad(9.0);
 434       padPlane->SetWidthIPad(0.755);
 435       padPlane->SetTiltingAngle(-2.0);
 436     }
 437     else {
 438       // L4C1 type
 439       padPlane->SetNrows(16);
 440       padPlane->SetLength(143.0);
 441       padPlane->SetWidth(109.9);
 442       padPlane->SetLengthOPad(7.5);
 443       padPlane->SetWidthOPad(0.845);
 444       padPlane->SetLengthIPad(9.0);
 445       padPlane->SetWidthIPad(0.755);
 446       padPlane->SetTiltingAngle(-2.0);
 447     }
 448     break;
 449   case 5:
 450     if (istack == 2) {
 451       // L5C0 type
 452       padPlane->SetNrows(12);
 453       padPlane->SetLength(108.0);
 454       padPlane->SetWidth(114.4);
 455       padPlane->SetLengthOPad(8.0);
 456       padPlane->SetWidthOPad(0.965);
 457       padPlane->SetLengthIPad(9.0);
 458       padPlane->SetWidthIPad(0.785);
 459       padPlane->SetTiltingAngle(2.0);
 460     }
 461     else {
 462       // L5C1 type
 463       padPlane->SetNrows(16);
 464       padPlane->SetLength(145.0);
 465       padPlane->SetWidth(114.4);
 466       padPlane->SetLengthOPad(8.5);
 467       padPlane->SetWidthOPad(0.965);
 468       padPlane->SetLengthIPad(9.0);
 469       padPlane->SetWidthIPad(0.785);
 470       padPlane->SetTiltingAngle(2.0);
 471     }
 472     break;
 473   };
 474
 475   //
 476   // The positions of the borders of the pads
 477   //
 478   // Row direction
 479   //
 480   Double_t row = fClength[ilayer][istack] / 2.0
 481                - fgkRpadW
 482                - padPlane->GetLengthRim();
 483   for (Int_t ir = 0; ir < padPlane->GetNrows(); ir++) {
 484     padPlane->SetPadRow(ir,row);
 485     row -= padPlane->GetRowSpacing();
 486     if (ir == 0) {
 487       row -= padPlane->GetLengthOPad();
 488     }
 489     else {
 490       row -= padPlane->GetLengthIPad();
 491     }
 492   }
 493   //
 494   // Column direction
 495   //
 496   Double_t col = fCwidth[ilayer] / 2.0
 497                + fgkCroW
 498                - padPlane->GetWidthRim();
 499   for (Int_t ic = 0; ic < padPlane->GetNcols(); ic++) {
 500     padPlane->SetPadCol(ic,col);
 501     col -= padPlane->GetColSpacing();
 502     if (ic == 0) {
 503       col -= padPlane->GetWidthOPad();
 504     }
 505     else {
 506       col -= padPlane->GetWidthIPad();
 507     }
 508   }
 509   // Calculate the offset to translate from the local ROC system into
 510   // the local supermodule system, which is used for clusters
 511   Double_t rowTmp = fClength[ilayer][0]
 512                   + fClength[ilayer][1]
 513                   + fClength[ilayer][2] / 2.0;
 514   for (Int_t jstack = 0; jstack < istack; jstack++) {
 515     rowTmp -= fClength[ilayer][jstack];
 516   }
 517   padPlane->SetPadRowSMOffset(rowTmp - fClength[ilayer][istack]/2.0);
 518
 519   return padPlane;
 520
 521 }
 522
 523 //_____________________________________________________________________________
 524 void AliTRDgeometry::CreateGeometry(Int_t *idtmed)
 525 {
 526   //
 527   // Create the TRD geometry without hole
 528   //
 529   //
 530   // Names of the TRD volumina (xx = detector number):
 531   //
 532   //      Volume (Air) wrapping the readout chamber components
 533   //        UTxx    includes: UAxx, UDxx, UFxx, UUxx
 534   //
 535   //      Volume (Air) wrapping the services (fee + cooling)
 536   //        UUxx    the services volume has been reduced by 7.42 mm
 537   //                in order to allow shifts in radial direction
 538   //
 539   //      Lower part of the readout chambers (drift volume + radiator)
 540   //
 541   //        UAxx    Aluminum frames                 (Al)
 542   //        UBxx    Wacosit frames                  (C)
 543   //        UXxx    Glue around radiator            (Epoxy)
 544   //        UCxx    Inner volumes                   (Air)
 545   //        UZxx    Additional aluminum ledges      (Al)
 546   //
 547   //      Upper part of the readout chambers (readout plane + fee)
 548   //
 549   //        UDxx    Wacosit frames of amp. region   (C)
 550   //        UExx    Inner volumes of the frame      (Air)
 551   //        UFxx    Aluminum frame of back panel    (Al)
 552   //        UGxx    Inner volumes of the back panel (Air)
 553   //
 554   //      Inner material layers
 555   //
 556   //        UHxx    Radiator                        (Rohacell)
 557   //        UJxx    Drift volume                    (Xe/CO2)
 558   //        UKxx    Amplification volume            (Xe/CO2)
 559   //        UWxx    Wire plane                      (Cu)
 560   //        ULxx    Pad plane                       (Cu)
 561   //        UYxx    Glue layer                      (Epoxy)
 562   //        UMxx    Support structure               (Rohacell)
 563   //        UNxx    ROB base material               (C)
 564   //        UOxx    ROB copper                      (Cu)
 565   //        UVxx    ROB other materials             (Cu)
 566   //
 567
 568   const Int_t kNparTrd = 4;
 569   const Int_t kNparCha = 3;
 570
 571   Float_t xpos;
 572   Float_t ypos;
 573   Float_t zpos;
 574
 575   Float_t parTrd[kNparTrd];
 576   Float_t parCha[kNparCha];
 577
 578   Char_t  cTagV[6];
 579   Char_t  cTagM[5];
 580
 581   // There are three TRD volumes for the supermodules in order to accomodate
 582   // the different arrangements in front of PHOS
 583   // UTR1: Default supermodule
 584   // UTR2: Supermodule in front of PHOS with double carbon cover
 585   // UTR3: As UTR2, but w/o middle stack
 586   //
 587   // The mother volume for one sector (Air), full length in z-direction
 588   // Provides material for side plates of super module
 589   parTrd[0] = fgkSwidth1/2.0;
 590   parTrd[1] = fgkSwidth2/2.0;
 591   parTrd[2] = fgkSlength/2.0;
 592   parTrd[3] = fgkSheight/2.0;
 593   gMC->Gsvolu("UTR1","TRD1",idtmed[1302-1],parTrd,kNparTrd);
 594   gMC->Gsvolu("UTR2","TRD1",idtmed[1302-1],parTrd,kNparTrd);
 595   gMC->Gsvolu("UTR3","TRD1",idtmed[1302-1],parTrd,kNparTrd);
 596   // The outer aluminum plates of the super module (Al)
 597   parTrd[0] = fgkSwidth1/2.0;
 598   parTrd[1] = fgkSwidth2/2.0;
 599   parTrd[2] = fgkSlength/2.0;
 600   parTrd[3] = fgkSheight/2.0;
 601   gMC->Gsvolu("UTS1","TRD1",idtmed[1301-1],parTrd,kNparTrd);
 602   gMC->Gsvolu("UTS2","TRD1",idtmed[1301-1],parTrd,kNparTrd);
 603   gMC->Gsvolu("UTS3","TRD1",idtmed[1301-1],parTrd,kNparTrd);
 604   // The inner part of the TRD mother volume for one sector (Air),
 605   // full length in z-direction
 606   parTrd[0] = fgkSwidth1/2.0 - fgkSMpltT;
 607   parTrd[1] = fgkSwidth2/2.0 - fgkSMpltT;
 608   parTrd[2] = fgkSlength/2.0;
 609   parTrd[3] = fgkSheight/2.0 - fgkSMpltT;
 610   gMC->Gsvolu("UTI1","TRD1",idtmed[1302-1],parTrd,kNparTrd);
 611   gMC->Gsvolu("UTI2","TRD1",idtmed[1302-1],parTrd,kNparTrd);
 612   gMC->Gsvolu("UTI3","TRD1",idtmed[1302-1],parTrd,kNparTrd);
 613
 614   // The inner part of the TRD mother volume for services in front
 615   // of the supermodules  (Air),
 616   parTrd[0] = fgkSwidth1/2.0;
 617   parTrd[1] = fgkSwidth2/2.0;
 618   parTrd[2] = fgkFlength/2.0;
 619   parTrd[3] = fgkSheight/2.0;
 620   gMC->Gsvolu("UTF1","TRD1",idtmed[1302-1],parTrd,kNparTrd);
 621   gMC->Gsvolu("UTF2","TRD1",idtmed[1302-1],parTrd,kNparTrd);
 622
 623   for (Int_t istack = 0; istack < kNstack; istack++) {
 624     for (Int_t ilayer = 0; ilayer < kNlayer; ilayer++) {
 625
 626       Int_t iDet = GetDetectorSec(ilayer,istack);
 627
 628       // The lower part of the readout chambers (drift volume + radiator)
 629       // The aluminum frames
 630       sprintf(cTagV,"UA%02d",iDet);
 631       parCha[0] = fCwidth[ilayer]/2.0;
 632       parCha[1] = fClength[ilayer][istack]/2.0 - fgkHspace/2.0;
 633       parCha[2] = fgkCraH/2.0 + fgkCdrH/2.0;
 634       fChamberUAboxd[iDet][0] = parCha[0];
 635       fChamberUAboxd[iDet][1] = parCha[1];
 636       fChamberUAboxd[iDet][2] = parCha[2];
 637       gMC->Gsvolu(cTagV,"BOX ",idtmed[1301-1],parCha,kNparCha);
 638       // The additional aluminum on the frames
 639       // This part has not the correct postion but is just supposed to
 640       // represent the missing material. The correct form of the L-shaped
 641       // profile would not fit into the alignable volume.
 642       sprintf(cTagV,"UZ%02d",iDet);
 643       parCha[0] = fgkCroW/2.0;
 644       parCha[1] = fClength[ilayer][istack]/2.0 - fgkHspace/2.0;
 645       parCha[2] = fgkCalW/2.0;
 646       fChamberUAboxd[iDet][0] = fChamberUAboxd[iDet][0] + fgkCroW;
 647       gMC->Gsvolu(cTagV,"BOX ",idtmed[1301-1],parCha,kNparCha);
 648       // The Wacosit frames
 649       sprintf(cTagV,"UB%02d",iDet);
 650       parCha[0] = fCwidth[ilayer]/2.0 - fgkCalT;
 651       parCha[1] = -1.0;
 652       parCha[2] = -1.0;
 653       gMC->Gsvolu(cTagV,"BOX ",idtmed[1307-1],parCha,kNparCha);
 654       // The glue around the radiator
 655       sprintf(cTagV,"UX%02d",iDet);
 656       parCha[0] = fCwidth[ilayer]/2.0 - fgkCalT - fgkCclsT;
 657       parCha[1] = fClength[ilayer][istack]/2.0 - fgkHspace/2.0 - fgkCclfT;
 658       parCha[2] = fgkCraH/2.0;
 659       gMC->Gsvolu(cTagV,"BOX ",idtmed[1311-1],parCha,kNparCha);
 660       // The inner part of radiator (air)
 661       sprintf(cTagV,"UC%02d",iDet);
 662       parCha[0] = fCwidth[ilayer]/2.0 - fgkCalT - fgkCclsT - fgkCglT;
 663       parCha[1] = fClength[ilayer][istack]/2.0 - fgkHspace/2.0 - fgkCclfT - fgkCglT;
 664       parCha[2] = -1.0;
 665       gMC->Gsvolu(cTagV,"BOX ",idtmed[1302-1],parCha,kNparCha);
 666
 667       // The upper part of the readout chambers (amplification volume)
 668       // The Wacosit frames
 669       sprintf(cTagV,"UD%02d",iDet);
 670       parCha[0] = fCwidth[ilayer]/2.0 + fgkCroW;
 671       parCha[1] = fClength[ilayer][istack]/2.0 - fgkHspace/2.0;
 672       parCha[2] = fgkCamH/2.0;
 673       fChamberUDboxd[iDet][0] = parCha[0];
 674       fChamberUDboxd[iDet][1] = parCha[1];
 675       fChamberUDboxd[iDet][2] = parCha[2];
 676       gMC->Gsvolu(cTagV,"BOX ",idtmed[1307-1],parCha,kNparCha);
 677       // The inner part of the Wacosit frame (air)
 678       sprintf(cTagV,"UE%02d",iDet);
 679       parCha[0] = fCwidth[ilayer]/2.0 + fgkCroW - fgkCcuT;
 680       parCha[1] = fClength[ilayer][istack]/2.0 - fgkHspace/2.0 - fgkCcuT;
 681       parCha[2] = -1.;
 682       gMC->Gsvolu(cTagV,"BOX ",idtmed[1302-1],parCha,kNparCha);
 683
 684       // The support structure (pad plane, back panel, readout boards)
 685       // The aluminum frames
 686       sprintf(cTagV,"UF%02d",iDet);
 687       parCha[0] = fCwidth[ilayer]/2.0 + fgkCroW;
 688       parCha[1] = fClength[ilayer][istack]/2.0 - fgkHspace/2.0;
 689       parCha[2] = fgkCroH/2.0;
 690       fChamberUFboxd[iDet][0] = parCha[0];
 691       fChamberUFboxd[iDet][1] = parCha[1];
 692       fChamberUFboxd[iDet][2] = parCha[2];
 693       gMC->Gsvolu(cTagV,"BOX ",idtmed[1301-1],parCha,kNparCha);
 694       // The inner part of the aluminum frames
 695       sprintf(cTagV,"UG%02d",iDet);
 696       parCha[0] = fCwidth[ilayer]/2.0 + fgkCroW - fgkCauT;
 697       parCha[1] = fClength[ilayer][istack]/2.0 - fgkHspace/2.0 - fgkCauT;
 698       parCha[2] = -1.0;
 699       gMC->Gsvolu(cTagV,"BOX ",idtmed[1302-1],parCha,kNparCha);
 700
 701       // The material layers inside the chambers
 702       // Rohacell layer (radiator)
 703       parCha[0] = -1.0;
 704       parCha[1] = -1.0;
 705       parCha[2] = fgkRaThick/2.0;
 706       sprintf(cTagV,"UH%02d",iDet);
 707       gMC->Gsvolu(cTagV,"BOX ",idtmed[1315-1],parCha,kNparCha);
 708       // Xe/Isobutane layer (drift volume)
 709       parCha[0] = fCwidth[ilayer]/2.0 - fgkCalT - fgkCclsT;
 710       parCha[1] = fClength[ilayer][istack]/2.0 - fgkHspace/2.0 - fgkCclfT;
 711       parCha[2] = fgkDrThick/2.0;
 712       sprintf(cTagV,"UJ%02d",iDet);
 713       gMC->Gsvolu(cTagV,"BOX ",idtmed[1309-1],parCha,kNparCha);
 714       // Xe/Isobutane layer (amplification volume)
 715       parCha[0] = -1.0;
 716       parCha[1] = -1.0;
 717       parCha[2] = fgkAmThick/2.0;
 718       sprintf(cTagV,"UK%02d",iDet);
 719       gMC->Gsvolu(cTagV,"BOX ",idtmed[1309-1],parCha,kNparCha);
 720       // Cu layer (wire plane)
 721       parCha[0] = -1.0;
 722       parCha[1] = -1.0;
 723       parCha[2] = fgkWrThick/2.0;
 724       sprintf(cTagV,"UW%02d",iDet);
 725       gMC->Gsvolu(cTagV,"BOX ",idtmed[1303-1],parCha,kNparCha);
 726       // Cu layer (pad plane)
 727       parCha[0] = -1.0;
 728       parCha[1] = -1.0;
 729       parCha[2] = fgkCuThick/2.0;
 730       sprintf(cTagV,"UL%02d",iDet);
 731       gMC->Gsvolu(cTagV,"BOX ",idtmed[1305-1],parCha,kNparCha);
 732       // Epoxy layer (glue)
 733       parCha[0] = -1.0;
 734       parCha[1] = -1.0;
 735       parCha[2] = fgkGlThick/2.0;
 736       sprintf(cTagV,"UY%02d",iDet);
 737       gMC->Gsvolu(cTagV,"BOX ",idtmed[1311-1],parCha,kNparCha);
 738       // G10 layer (support structure / honeycomb)
 739       parCha[0] = -1.0;
 740       parCha[1] = -1.0;
 741       parCha[2] = fgkSuThick/2.0;
 742       sprintf(cTagV,"UM%02d",iDet);
 743       gMC->Gsvolu(cTagV,"BOX ",idtmed[1310-1],parCha,kNparCha);
 744       // G10 layer (PCB readout board)
 745       parCha[0] = -1.0;
 746       parCha[1] = -1.0;
 747       parCha[2] = fgkRpThick/2;
 748       sprintf(cTagV,"UN%02d",iDet);
 749       gMC->Gsvolu(cTagV,"BOX ",idtmed[1313-1],parCha,kNparCha);
 750       // Cu layer (traces in readout board)
 751       parCha[0] = -1.0;
 752       parCha[1] = -1.0;
 753       parCha[2] = fgkRcThick/2.0;
 754       sprintf(cTagV,"UO%02d",iDet);
 755       gMC->Gsvolu(cTagV,"BOX ",idtmed[1306-1],parCha,kNparCha);
 756       // Cu layer (other material on in readout board)
 757       parCha[0] = -1.0;
 758       parCha[1] = -1.0;
 759       parCha[2] = fgkRoThick/2.0;
 760       sprintf(cTagV,"UV%02d",iDet);
 761       gMC->Gsvolu(cTagV,"BOX ",idtmed[1304-1],parCha,kNparCha);
 762
 763       // Position the layers in the chambers
 764       xpos = 0.0;
 765       ypos = 0.0;
 766       // Lower part
 767       // Rohacell layer (radiator)
 768       zpos = fgkRaZpos;
 769       sprintf(cTagV,"UH%02d",iDet);
 770       sprintf(cTagM,"UC%02d",iDet);
 771       gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
 772       // Xe/Isobutane layer (drift volume)
 773       zpos = fgkDrZpos;
 774       sprintf(cTagV,"UJ%02d",iDet);
 775       sprintf(cTagM,"UB%02d",iDet);
 776       gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
 777       // Upper part
 778       // Xe/Isobutane layer (amplification volume)
 779       zpos = fgkAmZpos;
 780       sprintf(cTagV,"UK%02d",iDet);
 781       sprintf(cTagM,"UE%02d",iDet);
 782       gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
 783       // Cu layer (wire plane inside amplification volume)
 784       zpos = fgkWrZpos;
 785       sprintf(cTagV,"UW%02d",iDet);
 786       sprintf(cTagM,"UK%02d",iDet);
 787       gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
 788       // Readout part + support plane
 789       // Cu layer (pad plane)
 790       zpos = fgkCuZpos;
 791       sprintf(cTagV,"UL%02d",iDet);
 792       sprintf(cTagM,"UG%02d",iDet);
 793       gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
 794       // Epoxy layer (glue)
 795       zpos = fgkGlZpos;
 796       sprintf(cTagV,"UY%02d",iDet);
 797       sprintf(cTagM,"UG%02d",iDet);
 798       gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
 799       // G10 layer (support structure)
 800       zpos = fgkSuZpos;
 801       sprintf(cTagV,"UM%02d",iDet);
 802       sprintf(cTagM,"UG%02d",iDet);
 803       gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
 804       // G10 layer (PCB readout board)
 805       zpos = fgkRpZpos;
 806       sprintf(cTagV,"UN%02d",iDet);
 807       sprintf(cTagM,"UG%02d",iDet);
 808       gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
 809       // Cu layer (traces in readout board)
 810       zpos = fgkRcZpos;
 811       sprintf(cTagV,"UO%02d",iDet);
 812       sprintf(cTagM,"UG%02d",iDet);
 813       gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
 814       // Cu layer (other materials on readout board)
 815       zpos = fgkRoZpos;
 816       sprintf(cTagV,"UV%02d",iDet);
 817       sprintf(cTagM,"UG%02d",iDet);
 818       gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
 819
 820       // Position the inner volumes of the chambers in the frames
 821       xpos = 0.0;
 822       ypos = 0.0;
 823       // The inner part of the radiator
 824       zpos = 0.0;
 825       sprintf(cTagV,"UC%02d",iDet);
 826       sprintf(cTagM,"UX%02d",iDet);
 827       gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
 828       // The glue around the radiator
 829       zpos = fgkCraH/2.0 - fgkCdrH/2.0 - fgkCraH/2.0;
 830       sprintf(cTagV,"UX%02d",iDet);
 831       sprintf(cTagM,"UB%02d",iDet);
 832       gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
 833       // The lower Wacosit frame inside the aluminum frame
 834       zpos = 0.0;
 835       sprintf(cTagV,"UB%02d",iDet);
 836       sprintf(cTagM,"UA%02d",iDet);
 837       gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
 838       // The inside of the upper Wacosit frame
 839       zpos = 0.0;
 840       sprintf(cTagV,"UE%02d",iDet);
 841       sprintf(cTagM,"UD%02d",iDet);
 842       gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
 843       // The inside of the upper aluminum frame
 844       zpos = 0.0;
 845       sprintf(cTagV,"UG%02d",iDet);
 846       sprintf(cTagM,"UF%02d",iDet);
 847       gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
 848
 849       // Position the frames of the chambers in the TRD mother volume
 850       xpos  = 0.0;
 851       ypos  = fClength[ilayer][0] + fClength[ilayer][1] + fClength[ilayer][2]/2.0;
 852       for (Int_t ic = 0; ic < istack; ic++) {
 853         ypos -= fClength[ilayer][ic];
 854       }
 855       ypos -= fClength[ilayer][istack]/2.0;
 856       zpos  = fgkVrocsm + fgkSMpltT + fgkCraH/2.0 + fgkCdrH/2.0 - fgkSheight/2.0
 857             + ilayer * (fgkCH + fgkVspace);
 858       // The lower aluminum frame, radiator + drift region
 859       sprintf(cTagV,"UA%02d",iDet);
 860       fChamberUAorig[iDet][0] = xpos;
 861       fChamberUAorig[iDet][1] = ypos;
 862       fChamberUAorig[iDet][2] = zpos;
 863       // The upper G10 frame, amplification region
 864       sprintf(cTagV,"UD%02d",iDet);
 865       zpos += fgkCamH/2.0 + fgkCraH/2.0 + fgkCdrH/2.0;
 866       fChamberUDorig[iDet][0] = xpos;
 867       fChamberUDorig[iDet][1] = ypos;
 868       fChamberUDorig[iDet][2] = zpos;
 869       // The upper aluminum frame
 870       sprintf(cTagV,"UF%02d",iDet);
 871       zpos += fgkCroH/2.0 + fgkCamH/2.0;
 872       fChamberUForig[iDet][0] = xpos;
 873       fChamberUForig[iDet][1] = ypos;
 874       fChamberUForig[iDet][2] = zpos;
 875
 876     }
 877   }
 878
 879   // Create the volumes of the super module frame
 880   CreateFrame(idtmed);
 881
 882   // Create the volumes of the services
 883   CreateServices(idtmed);
 884
 885   for (Int_t istack = 0; istack < kNstack; istack++) {
 886     for (Int_t ilayer = 0; ilayer < kNlayer; ilayer++) {
 887       GroupChamber(ilayer,istack,idtmed);
 888     }
 889   }
 890
 891   xpos = 0.0;
 892   ypos = 0.0;
 893   zpos = 0.0;
 894   gMC->Gspos("UTI1",1,"UTS1",xpos,ypos,zpos,0,"ONLY");
 895   gMC->Gspos("UTI2",1,"UTS2",xpos,ypos,zpos,0,"ONLY");
 896   gMC->Gspos("UTI3",1,"UTS3",xpos,ypos,zpos,0,"ONLY");
 897
 898   xpos = 0.0;
 899   ypos = 0.0;
 900   zpos = 0.0;
 901   gMC->Gspos("UTS1",1,"UTR1",xpos,ypos,zpos,0,"ONLY");
 902   gMC->Gspos("UTS2",1,"UTR2",xpos,ypos,zpos,0,"ONLY");
 903   gMC->Gspos("UTS3",1,"UTR3",xpos,ypos,zpos,0,"ONLY");
 904
 905   // Put the TRD volumes into the space frame mother volumes
 906   // if enabled via status flag
 907   xpos = 0.0;
 908   ypos = 0.0;
 909   zpos = 0.0;
 910   for (Int_t isector = 0; isector < kNsector; isector++) {
 911     if (fSMstatus[isector]) {
 912       sprintf(cTagV,"BTRD%d",isector);
 913       switch (isector) {
 914       case 13:
 915       case 14:
 916       case 15:
 917         // Double carbon, w/o middle stack
 918         gMC->Gspos("UTR3",1,cTagV,xpos,ypos,zpos,0,"ONLY");
 919         break;
 920       case 11:
 921       case 12:
 922         // Double carbon, all stacks
 923         gMC->Gspos("UTR2",1,cTagV,xpos,ypos,zpos,0,"ONLY");
 924         break;
 925       default:
 926         // Standard supermodule
 927         gMC->Gspos("UTR1",1,cTagV,xpos,ypos,zpos,0,"ONLY");
 928       };
 929     }
 930   }
 931
 932   // Put the TRD volumes into the space frame mother volumes
 933   // if enabled via status flag
 934   xpos = 0.0;
 935   ypos = 0.5*fgkSlength + 0.5*fgkFlength;
 936   zpos = 0.0;
 937   for (Int_t isector = 0; isector < kNsector; isector++) {
 938     if (fSMstatus[isector]) {
 939       sprintf(cTagV,"BTRD%d",isector);
 940       gMC->Gspos("UTF1",1,cTagV,xpos, ypos,zpos,0,"ONLY");
 941       gMC->Gspos("UTF2",1,cTagV,xpos,-ypos,zpos,0,"ONLY");
 942     }
 943   }
 944
 945 }
 946
 947 //_____________________________________________________________________________
 948 void AliTRDgeometry::CreateFrame(Int_t *idtmed)
 949 {
 950   //
 951   // Create the geometry of the frame of the supermodule
 952   //
 953   // Names of the TRD services volumina
 954   //
 955   //        USRL    Support rails for the chambers (Al)
 956   //        USxx    Support cross bars between the chambers (Al)
 957   //        USHx    Horizontal connection between the cross bars (Al)
 958   //        USLx    Long corner ledges (Al)
 959   //
 960
 961   Int_t   ilayer = 0;
 962
 963   Float_t xpos  = 0.0;
 964   Float_t ypos  = 0.0;
 965   Float_t zpos  = 0.0;
 966
 967   Char_t  cTagV[5];
 968   Char_t  cTagM[5];
 969
 970   const Int_t kNparTRD = 4;
 971   Float_t parTRD[kNparTRD];
 972   const Int_t kNparBOX = 3;
 973   Float_t parBOX[kNparBOX];
 974   const Int_t kNparTRP = 11;
 975   Float_t parTRP[kNparTRP];
 976
 977   // The rotation matrices
 978   const Int_t kNmatrix = 6;
 979   Int_t   matrix[kNmatrix];
 980   gMC->Matrix(matrix[0], 100.0,   0.0,  90.0,  90.0,  10.0,   0.0);
 981   gMC->Matrix(matrix[1],  80.0,   0.0,  90.0,  90.0,  10.0, 180.0);
 982   gMC->Matrix(matrix[2],  90.0,   0.0,   0.0,   0.0,  90.0,  90.0);
 983   gMC->Matrix(matrix[3],  90.0, 180.0,   0.0, 180.0,  90.0,  90.0);
 984   gMC->Matrix(matrix[4], 170.0,   0.0,  80.0,   0.0,  90.0,  90.0);
 985   gMC->Matrix(matrix[5], 170.0, 180.0,  80.0, 180.0,  90.0,  90.0);
 986   gMC->Matrix(matrix[6], 180.0, 180.0,  90.0, 180.0,  90.0,  90.0);
 987
 988   //
 989   // The carbon inserts in the top/bottom aluminum plates
 990   //
 991
 992   const Int_t kNparCrb = 3;
 993   Float_t parCrb[kNparCrb];
 994   parCrb[0] = 0.0;
 995   parCrb[1] = 0.0;
 996   parCrb[2] = 0.0;
 997   gMC->Gsvolu("USCR","BOX ",idtmed[1307-1],parCrb,0);
 998   // Bottom 1 (all sectors)
 999   parCrb[0] =  77.49/2.0;
1000   parCrb[1] = 104.60/2.0;
1001   parCrb[2] = fgkSMpltT/2.0;
1002   xpos      =   0.0;
1003   ypos      =   0.0;
1004   zpos      = fgkSMpltT/2.0 - fgkSheight/2.0;
1005   gMC->Gsposp("USCR", 1,"UTS1", xpos, ypos, zpos,0,"ONLY",parCrb,kNparCrb);
1006   gMC->Gsposp("USCR", 2,"UTS2", xpos, ypos, zpos,0,"ONLY",parCrb,kNparCrb);
1007   gMC->Gsposp("USCR", 3,"UTS3", xpos, ypos, zpos,0,"ONLY",parCrb,kNparCrb);
1008   // Bottom 2 (all sectors)
1009   parCrb[0] =  77.49/2.0;
1010   parCrb[1] =  55.80/2.0;
1011   parCrb[2] = fgkSMpltT/2.0;
1012   xpos      =   0.0;
1013   ypos      =  85.6;
1014   zpos      = fgkSMpltT/2.0 - fgkSheight/2.0;
1015   gMC->Gsposp("USCR", 4,"UTS1", xpos, ypos, zpos,0,"ONLY",parCrb,kNparCrb);
1016   gMC->Gsposp("USCR", 5,"UTS2", xpos, ypos, zpos,0,"ONLY",parCrb,kNparCrb);
1017   gMC->Gsposp("USCR", 6,"UTS3", xpos, ypos, zpos,0,"ONLY",parCrb,kNparCrb);
1018   gMC->Gsposp("USCR", 7,"UTS1", xpos,-ypos, zpos,0,"ONLY",parCrb,kNparCrb);
1019   gMC->Gsposp("USCR", 8,"UTS2", xpos,-ypos, zpos,0,"ONLY",parCrb,kNparCrb);
1020   gMC->Gsposp("USCR", 9,"UTS3", xpos,-ypos, zpos,0,"ONLY",parCrb,kNparCrb);
1021   // Bottom 3 (all sectors)
1022   parCrb[0] =  77.49/2.0;
1023   parCrb[1] =  56.00/2.0;
1024   parCrb[2] = fgkSMpltT/2.0;
1025   xpos      =   0.0;
1026   ypos      = 148.5;
1027   zpos      = fgkSMpltT/2.0 - fgkSheight/2.0;
1028   gMC->Gsposp("USCR",10,"UTS1", xpos, ypos, zpos,0,"ONLY",parCrb,kNparCrb);
1029   gMC->Gsposp("USCR",11,"UTS2", xpos, ypos, zpos,0,"ONLY",parCrb,kNparCrb);
1030   gMC->Gsposp("USCR",12,"UTS3", xpos, ypos, zpos,0,"ONLY",parCrb,kNparCrb);
1031   gMC->Gsposp("USCR",13,"UTS1", xpos,-ypos, zpos,0,"ONLY",parCrb,kNparCrb);
1032   gMC->Gsposp("USCR",14,"UTS2", xpos,-ypos, zpos,0,"ONLY",parCrb,kNparCrb);
1033   gMC->Gsposp("USCR",15,"UTS3", xpos,-ypos, zpos,0,"ONLY",parCrb,kNparCrb);
1034   // Bottom 4 (all sectors)
1035   parCrb[0] =  77.49/2.0;
1036   parCrb[1] = 118.00/2.0;
1037   parCrb[2] = fgkSMpltT/2.0;
1038   xpos      =   0.0;
1039   ypos      = 240.5;
1040   zpos      = fgkSMpltT/2.0 - fgkSheight/2.0;
1041   gMC->Gsposp("USCR",16,"UTS1", xpos, ypos, zpos,0,"ONLY",parCrb,kNparCrb);
1042   gMC->Gsposp("USCR",17,"UTS2", xpos, ypos, zpos,0,"ONLY",parCrb,kNparCrb);
1043   gMC->Gsposp("USCR",18,"UTS3", xpos, ypos, zpos,0,"ONLY",parCrb,kNparCrb);
1044   gMC->Gsposp("USCR",19,"UTS1", xpos,-ypos, zpos,0,"ONLY",parCrb,kNparCrb);
1045   gMC->Gsposp("USCR",20,"UTS2", xpos,-ypos, zpos,0,"ONLY",parCrb,kNparCrb);
1046   gMC->Gsposp("USCR",21,"UTS3", xpos,-ypos, zpos,0,"ONLY",parCrb,kNparCrb);
1047   // Top 1 (only in front of PHOS)
1048   parCrb[0] = 111.48/2.0;
1049   parCrb[1] = 105.00/2.0;
1050   parCrb[2] = fgkSMpltT/2.0;
1051   xpos      =   0.0;
1052   ypos      =   0.0;
1053   zpos      = fgkSMpltT/2.0 - fgkSheight/2.0;
1054   gMC->Gsposp("USCR",22,"UTS2", xpos, ypos,-zpos,0,"ONLY",parCrb,kNparCrb);
1055   gMC->Gsposp("USCR",23,"UTS3", xpos, ypos,-zpos,0,"ONLY",parCrb,kNparCrb);
1056   // Top 2 (only in front of PHOS)
1057   parCrb[0] = 111.48/2.0;
1058   parCrb[1] =  56.00/2.0;
1059   parCrb[2] = fgkSMpltT/2.0;
1060   xpos      =   0.0;
1061   ypos      =  85.5;
1062   zpos      = fgkSMpltT/2.0 - fgkSheight/2.0;
1063   gMC->Gsposp("USCR",24,"UTS2", xpos, ypos,-zpos,0,"ONLY",parCrb,kNparCrb);
1064   gMC->Gsposp("USCR",25,"UTS3", xpos, ypos,-zpos,0,"ONLY",parCrb,kNparCrb);
1065   gMC->Gsposp("USCR",26,"UTS2", xpos,-ypos,-zpos,0,"ONLY",parCrb,kNparCrb);
1066   gMC->Gsposp("USCR",27,"UTS3", xpos,-ypos,-zpos,0,"ONLY",parCrb,kNparCrb);
1067
1068   //
1069   // The chamber support rails
1070   //
1071
1072   const Float_t kSRLwid  = 2.00;
1073   const Float_t kSRLhgt  = 2.3;
1074   const Float_t kSRLdst  = 1.0;
1075   const Int_t   kNparSRL = 3;
1076   Float_t parSRL[kNparSRL];
1077   parSRL[0] = kSRLwid   /2.0;
1078   parSRL[1] = fgkSlength/2.0;
1079   parSRL[2] = kSRLhgt   /2.0;
1080   gMC->Gsvolu("USRL","BOX ",idtmed[1301-1],parSRL,kNparSRL);
1081
1082   xpos  = 0.0;
1083   ypos  = 0.0;
1084   zpos  = 0.0;
1085   for (ilayer = 0; ilayer < kNlayer; ilayer++) {
1086     xpos  = fCwidth[ilayer]/2.0 + kSRLwid/2.0 + kSRLdst;
1087     ypos  = 0.0;
1088     zpos  = fgkVrocsm + fgkSMpltT + fgkCraH + fgkCdrH + fgkCamH
1089           - fgkSheight/2.0
1090           + ilayer * (fgkCH + fgkVspace);
1091     gMC->Gspos("USRL",ilayer+1          ,"UTI1", xpos,ypos,zpos,0,"ONLY");
1092     gMC->Gspos("USRL",ilayer+1+  kNlayer,"UTI1",-xpos,ypos,zpos,0,"ONLY");
1093     gMC->Gspos("USRL",ilayer+1+2*kNlayer,"UTI2", xpos,ypos,zpos,0,"ONLY");
1094     gMC->Gspos("USRL",ilayer+1+3*kNlayer,"UTI2",-xpos,ypos,zpos,0,"ONLY");
1095     gMC->Gspos("USRL",ilayer+1+4*kNlayer,"UTI3", xpos,ypos,zpos,0,"ONLY");
1096     gMC->Gspos("USRL",ilayer+1+5*kNlayer,"UTI3",-xpos,ypos,zpos,0,"ONLY");
1097   }
1098
1099   //
1100   // The cross bars between the chambers
1101   //
1102
1103   const Float_t kSCBwid  = 1.0;
1104   const Float_t kSCBthk  = 2.0;
1105   const Float_t kSCHhgt  = 0.3;
1106
1107   const Int_t   kNparSCB = 3;
1108   Float_t parSCB[kNparSCB];
1109   parSCB[1] = kSCBwid/2.0;
1110   parSCB[2] = fgkCH  /2.0 + fgkVspace/2.0 - kSCHhgt;
1111
1112   const Int_t   kNparSCI = 3;
1113   Float_t parSCI[kNparSCI];
1114   parSCI[1] = -1;
1115
1116   xpos  = 0.0;
1117   ypos  = 0.0;
1118   zpos  = 0.0;
1119   for (ilayer = 0; ilayer < kNlayer; ilayer++) {
1120
1121     // The aluminum of the cross bars
1122     parSCB[0] = fCwidth[ilayer]/2.0 + kSRLdst/2.0;
1123     sprintf(cTagV,"USF%01d",ilayer);
1124     gMC->Gsvolu(cTagV,"BOX ",idtmed[1301-1],parSCB,kNparSCB);
1125
1126     // The empty regions in the cross bars
1127     Float_t thkSCB = kSCBthk;
1128     if (ilayer < 2) {
1129       thkSCB *= 1.5;
1130     }
1131     parSCI[2] = parSCB[2] - thkSCB;
1132     parSCI[0] = parSCB[0]/4.0 - kSCBthk;
1133     sprintf(cTagV,"USI%01d",ilayer);
1134     gMC->Gsvolu(cTagV,"BOX ",idtmed[1302-1],parSCI,kNparSCI);
1135
1136     sprintf(cTagV,"USI%01d",ilayer);
1137     sprintf(cTagM,"USF%01d",ilayer);
1138     ypos  = 0.0;
1139     zpos  = 0.0;
1140     xpos  =   parSCI[0] + thkSCB/2.0;
1141     gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
1142     xpos  = - parSCI[0] - thkSCB/2.0;
1143     gMC->Gspos(cTagV,2,cTagM,xpos,ypos,zpos,0,"ONLY");
1144     xpos  =   3.0 * parSCI[0] + 1.5 * thkSCB;
1145     gMC->Gspos(cTagV,3,cTagM,xpos,ypos,zpos,0,"ONLY");
1146     xpos  = - 3.0 * parSCI[0] - 1.5 * thkSCB;
1147     gMC->Gspos(cTagV,4,cTagM,xpos,ypos,zpos,0,"ONLY");
1148
1149     sprintf(cTagV,"USF%01d",ilayer);
1150     xpos  = 0.0;
1151     zpos  = fgkVrocsm + fgkSMpltT + parSCB[2] - fgkSheight/2.0
1152           + ilayer * (fgkCH + fgkVspace);
1153
1154     ypos  =   fClength[ilayer][2]/2.0 + fClength[ilayer][1];
1155     gMC->Gspos(cTagV, 1,"UTI1", xpos,ypos,zpos,0,"ONLY");
1156     gMC->Gspos(cTagV, 3,"UTI2", xpos,ypos,zpos,0,"ONLY");
1157     gMC->Gspos(cTagV, 5,"UTI3", xpos,ypos,zpos,0,"ONLY");
1158
1159     ypos  = - fClength[ilayer][2]/2.0 - fClength[ilayer][1];
1160     gMC->Gspos(cTagV, 2,"UTI1", xpos,ypos,zpos,0,"ONLY");
1161     gMC->Gspos(cTagV, 4,"UTI2", xpos,ypos,zpos,0,"ONLY");
1162     gMC->Gspos(cTagV, 6,"UTI3", xpos,ypos,zpos,0,"ONLY");
1163
1164   }
1165
1166   //
1167   // The horizontal connections between the cross bars
1168   //
1169
1170   const Int_t   kNparSCH = 3;
1171   Float_t parSCH[kNparSCH];
1172
1173   for (ilayer = 1; ilayer < kNlayer-1; ilayer++) {
1174
1175     parSCH[0] = fCwidth[ilayer]/2.0;
1176     parSCH[1] = (fClength[ilayer+1][2]/2.0 + fClength[ilayer+1][1]
1177                - fClength[ilayer  ][2]/2.0 - fClength[ilayer  ][1])/2.0;
1178     parSCH[2] = kSCHhgt/2.0;
1179
1180     sprintf(cTagV,"USH%01d",ilayer);
1181     gMC->Gsvolu(cTagV,"BOX ",idtmed[1301-1],parSCH,kNparSCH);
1182     xpos  = 0.0;
1183     ypos  = fClength[ilayer][2]/2.0 + fClength[ilayer][1] + parSCH[1];
1184     zpos  = fgkVrocsm + fgkSMpltT - kSCHhgt/2.0 - fgkSheight/2.0
1185           + (ilayer+1) * (fgkCH + fgkVspace);
1186     gMC->Gspos(cTagV,1,"UTI1", xpos,ypos,zpos,0,"ONLY");
1187     gMC->Gspos(cTagV,3,"UTI2", xpos,ypos,zpos,0,"ONLY");
1188     gMC->Gspos(cTagV,5,"UTI3", xpos,ypos,zpos,0,"ONLY");
1189     ypos  = -ypos;
1190     gMC->Gspos(cTagV,2,"UTI1", xpos,ypos,zpos,0,"ONLY");
1191     gMC->Gspos(cTagV,4,"UTI2", xpos,ypos,zpos,0,"ONLY");
1192     gMC->Gspos(cTagV,6,"UTI3", xpos,ypos,zpos,0,"ONLY");
1193
1194   }
1195
1196   //
1197   // The aymmetric flat frame in the middle
1198   //
1199
1200   // The envelope volume (aluminum)
1201   parTRD[0]  =  87.60/2.0;
1202   parTRD[1]  = 114.00/2.0;
1203   parTRD[2]  =   1.20/2.0;
1204   parTRD[3]  =  71.30/2.0;
1205   gMC->Gsvolu("USDB","TRD1",idtmed[1301-1],parTRD,kNparTRD);
1206   // Empty spaces (air)
1207   parTRP[ 0] =   1.20/2.0;
1208   parTRP[ 1] =   0.0;
1209   parTRP[ 2] =   0.0;
1210   parTRP[ 3] =  27.00/2.0;
1211   parTRP[ 4] =  50.60/2.0;
1212   parTRP[ 5] =   5.00/2.0;
1213   parTRP[ 6] =   3.5;
1214   parTRP[ 7] =  27.00/2.0;
1215   parTRP[ 8] =  50.60/2.0;
1216   parTRP[ 9] =   5.00/2.0;
1217   parTRP[10] =   3.5;
1218   gMC->Gsvolu("USD1","TRAP",idtmed[1302-1],parTRP,kNparTRP);
1219   xpos       =  18.0;
1220   ypos       =   0.0;
1221   zpos       =   27.00/2.0 - 71.3/2.0;
1222   gMC->Gspos("USD1",1,"USDB", xpos, ypos, zpos,matrix[2],"ONLY");
1223   // Empty spaces (air)
1224   parTRP[ 0] =   1.20/2.0;
1225   parTRP[ 1] =   0.0;
1226   parTRP[ 2] =   0.0;
1227   parTRP[ 3] =  33.00/2.0;
1228   parTRP[ 4] =   5.00/2.0;
1229   parTRP[ 5] =  62.10/2.0;
1230   parTRP[ 6] =   3.5;
1231   parTRP[ 7] =  33.00/2.0;
1232   parTRP[ 8] =   5.00/2.0;
1233   parTRP[ 9] =  62.10/2.0;
1234   parTRP[10] =   3.5;
1235   gMC->Gsvolu("USD2","TRAP",idtmed[1302-1],parTRP,kNparTRP);
1236   xpos       =  21.0;
1237   ypos       =   0.0;
1238   zpos       =  71.3/2.0 - 33.0/2.0;
1239   gMC->Gspos("USD2",1,"USDB", xpos, ypos, zpos,matrix[2],"ONLY");
1240   // Empty spaces (air)
1241   parBOX[ 0] =  22.50/2.0;
1242   parBOX[ 1] =   1.20/2.0;
1243   parBOX[ 2] =  70.50/2.0;
1244   gMC->Gsvolu("USD3","BOX ",idtmed[1302-1],parBOX,kNparBOX);
1245   xpos       = -25.75;
1246   ypos       =   0.0;
1247   zpos       =   0.4;
1248   gMC->Gspos("USD3",1,"USDB", xpos, ypos, zpos,        0,"ONLY");
1249   // Empty spaces (air)
1250   parTRP[ 0] =   1.20/2.0;
1251   parTRP[ 1] =   0.0;
1252   parTRP[ 2] =   0.0;
1253   parTRP[ 3] =  25.50/2.0;
1254   parTRP[ 4] =   5.00/2.0;
1255   parTRP[ 5] =  65.00/2.0;
1256   parTRP[ 6] =  -1.0;
1257   parTRP[ 7] =  25.50/2.0;
1258   parTRP[ 8] =   5.00/2.0;
1259   parTRP[ 9] =  65.00/2.0;
1260   parTRP[10] =  -1.0;
1261   gMC->Gsvolu("USD4","TRAP",idtmed[1302-1],parTRP,kNparTRP);
1262   xpos       =   2.0;
1263   ypos       =   0.0;
1264   zpos       =  -1.6;
1265   gMC->Gspos("USD4",1,"USDB", xpos, ypos, zpos,matrix[6],"ONLY");
1266   // Empty spaces (air)
1267   parTRP[ 0] =   1.20/2.0;
1268   parTRP[ 1] =   0.0;
1269   parTRP[ 2] =   0.0;
1270   parTRP[ 3] =  23.50/2.0;
1271   parTRP[ 4] =  63.50/2.0;
1272   parTRP[ 5] =   5.00/2.0;
1273   parTRP[ 6] =  16.0;
1274   parTRP[ 7] =  23.50/2.0;
1275   parTRP[ 8] =  63.50/2.0;
1276   parTRP[ 9] =   5.00/2.0;
1277   parTRP[10] =  16.0;
1278   gMC->Gsvolu("USD5","TRAP",idtmed[1302-1],parTRP,kNparTRP);
1279   xpos       =  36.5;
1280   ypos       =   0.0;
1281   zpos       =  -1.5;
1282   gMC->Gspos("USD5",1,"USDB", xpos, ypos, zpos,matrix[5],"ONLY");
1283   // Empty spaces (air)
1284   parTRP[ 0] =   1.20/2.0;
1285   parTRP[ 1] =   0.0;
1286   parTRP[ 2] =   0.0;
1287   parTRP[ 3] =  70.50/2.0;
1288   parTRP[ 4] =   4.50/2.0;
1289   parTRP[ 5] =  16.50/2.0;
1290   parTRP[ 6] =  -5.0;
1291   parTRP[ 7] =  70.50/2.0;
1292   parTRP[ 8] =   4.50/2.0;
1293   parTRP[ 9] =  16.50/2.0;
1294   parTRP[10] =  -5.0;
1295   gMC->Gsvolu("USD6","TRAP",idtmed[1302-1],parTRP,kNparTRP);
1296   xpos       = -43.7;
1297   ypos       =   0.0;
1298   zpos       =   0.4;
1299   gMC->Gspos("USD6",1,"USDB", xpos, ypos, zpos,matrix[2],"ONLY");
1300   xpos       =   0.0;
1301   ypos       =   fClength[5][2]/2.0;
1302   zpos       =   0.04;
1303   gMC->Gspos("USDB",1,"UTI1", xpos, ypos, zpos,        0,"ONLY");
1304   gMC->Gspos("USDB",2,"UTI1", xpos,-ypos, zpos,        0,"ONLY");
1305   gMC->Gspos("USDB",3,"UTI2", xpos, ypos, zpos,        0,"ONLY");
1306   gMC->Gspos("USDB",4,"UTI2", xpos,-ypos, zpos,        0,"ONLY");
1307   gMC->Gspos("USDB",5,"UTI3", xpos, ypos, zpos,        0,"ONLY");
1308   gMC->Gspos("USDB",6,"UTI3", xpos,-ypos, zpos,        0,"ONLY");
1309   // Upper bar (aluminum)
1310   parBOX[0] = 95.00/2.0;
1311   parBOX[1] =  1.20/2.0;
1312   parBOX[2] =  3.00/2.0;
1313   gMC->Gsvolu("USD7","BOX ",idtmed[1301-1],parBOX,kNparBOX);
1314   xpos       =   0.0;
1315   ypos       =   fClength[5][2]/2.0;
1316   zpos       =   fgkSheight/2.0 - fgkSMpltT  - 3.00/2.0;
1317   gMC->Gspos("USD7",1,"UTI1", xpos, ypos, zpos,        0,"ONLY");
1318   gMC->Gspos("USD7",2,"UTI1", xpos,-ypos, zpos,        0,"ONLY");
1319   gMC->Gspos("USD7",3,"UTI2", xpos, ypos, zpos,        0,"ONLY");
1320   gMC->Gspos("USD7",4,"UTI2", xpos,-ypos, zpos,        0,"ONLY");
1321   gMC->Gspos("USD7",5,"UTI3", xpos, ypos, zpos,        0,"ONLY");
1322   gMC->Gspos("USD7",6,"UTI3", xpos,-ypos, zpos,        0,"ONLY");
1323   // Lower bar (aluminum)
1324   parBOX[0] = 90.22/2.0;
1325   parBOX[1] =  1.20/2.0;
1326   parBOX[2] =  1.74/2.0;
1327   gMC->Gsvolu("USD8","BOX ",idtmed[1301-1],parBOX,kNparBOX);
1328   xpos       =   0.0;
1329   ypos       =   fClength[5][2]/2.0 - 0.1;
1330   zpos       =  -fgkSheight/2.0 + fgkSMpltT + 2.27;
1331   gMC->Gspos("USD8",1,"UTI1", xpos, ypos, zpos,        0,"ONLY");
1332   gMC->Gspos("USD8",2,"UTI1", xpos,-ypos, zpos,        0,"ONLY");
1333   gMC->Gspos("USD8",3,"UTI2", xpos, ypos, zpos,        0,"ONLY");
1334   gMC->Gspos("USD8",4,"UTI2", xpos,-ypos, zpos,        0,"ONLY");
1335   gMC->Gspos("USD8",5,"UTI3", xpos, ypos, zpos,        0,"ONLY");
1336   gMC->Gspos("USD8",6,"UTI3", xpos,-ypos, zpos,        0,"ONLY");
1337   // Lower bar (aluminum)
1338   parBOX[0] = 82.60/2.0;
1339   parBOX[1] =  1.20/2.0;
1340   parBOX[2] =  1.40/2.0;
1341   gMC->Gsvolu("USD9","BOX ",idtmed[1301-1],parBOX,kNparBOX);
1342   xpos       =   0.0;
1343   ypos       =   fClength[5][2]/2.0;
1344   zpos       =  -fgkSheight/2.0 + fgkSMpltT + 1.40/2.0;
1345   gMC->Gspos("USD9",1,"UTI1", xpos, ypos, zpos,        0,"ONLY");
1346   gMC->Gspos("USD9",2,"UTI1", xpos,-ypos, zpos,        0,"ONLY");
1347   gMC->Gspos("USD9",3,"UTI2", xpos, ypos, zpos,        0,"ONLY");
1348   gMC->Gspos("USD9",4,"UTI2", xpos,-ypos, zpos,        0,"ONLY");
1349   gMC->Gspos("USD9",5,"UTI3", xpos, ypos, zpos,        0,"ONLY");
1350   gMC->Gspos("USD9",6,"UTI3", xpos,-ypos, zpos,        0,"ONLY");
1351   // Front sheet (aluminum)
1352   parTRP[ 0] =   0.10/2.0;
1353   parTRP[ 1] =   0.0;
1354   parTRP[ 2] =   0.0;
1355   parTRP[ 3] =  74.50/2.0;
1356   parTRP[ 4] =  31.70/2.0;
1357   parTRP[ 5] =  44.00/2.0;
1358   parTRP[ 6] =  -5.0;
1359   parTRP[ 7] =  74.50/2.0;
1360   parTRP[ 8] =  31.70/2.0;
1361   parTRP[ 9] =  44.00/2.0;
1362   parTRP[10] =  -5.0;
1363   gMC->Gsvolu("USDF","TRAP",idtmed[1302-1],parTRP,kNparTRP);
1364   xpos       = -32.0;
1365   ypos       =   fClength[5][2]/2.0 + 1.20/2.0 + 0.10/2.0;
1366   zpos       =   0.0;
1367   gMC->Gspos("USDF",1,"UTI1", xpos, ypos, zpos,matrix[2],"ONLY");
1368   gMC->Gspos("USDF",2,"UTI1", xpos,-ypos, zpos,matrix[2],"ONLY");
1369   gMC->Gspos("USDF",3,"UTI2", xpos, ypos, zpos,matrix[2],"ONLY");
1370   gMC->Gspos("USDF",4,"UTI2", xpos,-ypos, zpos,matrix[2],"ONLY");
1371   gMC->Gspos("USDF",5,"UTI3", xpos, ypos, zpos,matrix[2],"ONLY");
1372   gMC->Gspos("USDF",6,"UTI3", xpos,-ypos, zpos,matrix[2],"ONLY");
1373
1374   //
1375   // The flat frame in front of the chambers
1376   //
1377
1378   // The envelope volume (aluminum)
1379   parTRD[0]  =  90.00/2.0;
1380   parTRD[1]  = 114.00/2.0;
1381   parTRD[2]  =   1.50/2.0;
1382   parTRD[3]  =  70.30/2.0;
1383   gMC->Gsvolu("USCB","TRD1",idtmed[1301-1],parTRD,kNparTRD);
1384   // Empty spaces (air)
1385   parTRD[0]  =  87.00/2.0;
1386   parTRD[1]  =  10.00/2.0;
1387   parTRD[2]  =   1.50/2.0;
1388   parTRD[3]  =  26.35/2.0;
1389   gMC->Gsvolu("USC1","TRD1",idtmed[1302-1],parTRD,kNparTRD);
1390   xpos       =  0.0;
1391   ypos       =  0.0;
1392   zpos       = 26.35/2.0 - 70.3/2.0;
1393   gMC->Gspos("USC1",1,"USCB",xpos,ypos,zpos,0,"ONLY");
1394   // Empty spaces (air)
1395   parTRD[0]  =  10.00/2.0;
1396   parTRD[1]  = 111.00/2.0;
1397   parTRD[2]  =   1.50/2.0;
1398   parTRD[3]  =  35.05/2.0;
1399   gMC->Gsvolu("USC2","TRD1",idtmed[1302-1],parTRD,kNparTRD);
1400   xpos       =  0.0;
1401   ypos       =  0.0;
1402   zpos       = 70.3/2.0 - 35.05/2.0;
1403   gMC->Gspos("USC2",1,"USCB",xpos,ypos,zpos,0,"ONLY");
1404   // Empty spaces (air)
1405   parTRP[ 0] =   1.50/2.0;
1406   parTRP[ 1] =   0.0;
1407   parTRP[ 2] =   0.0;
1408   parTRP[ 3] =  37.60/2.0;
1409   parTRP[ 4] =  63.90/2.0;
1410   parTRP[ 5] =   8.86/2.0;
1411   parTRP[ 6] =  16.0;
1412   parTRP[ 7] =  37.60/2.0;
1413   parTRP[ 8] =  63.90/2.0;
1414   parTRP[ 9] =   8.86/2.0;
1415   parTRP[10] =  16.0;
1416   gMC->Gsvolu("USC3","TRAP",idtmed[1302-1],parTRP,kNparTRP);
1417   xpos       = -30.5;
1418   ypos       =   0.0;
1419   zpos       =  -2.0;
1420   gMC->Gspos("USC3",1,"USCB", xpos, ypos, zpos,matrix[4],"ONLY");
1421   gMC->Gspos("USC3",2,"USCB",-xpos, ypos, zpos,matrix[5],"ONLY");
1422   xpos       =   0.0;
1423   ypos       =   fClength[5][2]/2.0 + fClength[5][1] + fClength[5][0];
1424   zpos       =   0.0;
1425   gMC->Gspos("USCB",1,"UTI1", xpos, ypos, zpos,        0,"ONLY");
1426   gMC->Gspos("USCB",2,"UTI1", xpos,-ypos, zpos,        0,"ONLY");
1427   gMC->Gspos("USCB",3,"UTI2", xpos, ypos, zpos,        0,"ONLY");
1428   gMC->Gspos("USCB",4,"UTI2", xpos,-ypos, zpos,        0,"ONLY");
1429   gMC->Gspos("USCB",5,"UTI3", xpos, ypos, zpos,        0,"ONLY");
1430   gMC->Gspos("USCB",6,"UTI3", xpos,-ypos, zpos,        0,"ONLY");
1431   // Upper bar (aluminum)
1432   parBOX[0] = 95.00/2.0;
1433   parBOX[1] =  1.50/2.0;
1434   parBOX[2] =  3.00/2.0;
1435   gMC->Gsvolu("USC4","BOX ",idtmed[1301-1],parBOX,kNparBOX);
1436   xpos       =   0.0;
1437   ypos       =   fClength[5][2]/2.0 + fClength[5][1] + fClength[5][0];
1438   zpos       =   fgkSheight/2.0 - fgkSMpltT - 3.00/2.0;
1439   gMC->Gspos("USC4",1,"UTI1", xpos, ypos, zpos,        0,"ONLY");
1440   gMC->Gspos("USC4",2,"UTI1", xpos,-ypos, zpos,        0,"ONLY");
1441   gMC->Gspos("USC4",3,"UTI2", xpos, ypos, zpos,        0,"ONLY");
1442   gMC->Gspos("USC4",4,"UTI2", xpos,-ypos, zpos,        0,"ONLY");
1443   gMC->Gspos("USC4",5,"UTI3", xpos, ypos, zpos,        0,"ONLY");
1444   gMC->Gspos("USC4",6,"UTI3", xpos,-ypos, zpos,        0,"ONLY");
1445   // Lower bar (aluminum)
1446   parBOX[0] = 90.22/2.0;
1447   parBOX[1] =  1.50/2.0;
1448   parBOX[2] =  2.00/2.0;
1449   gMC->Gsvolu("USC5","BOX ",idtmed[1301-1],parBOX,kNparBOX);
1450   xpos       =   0.0;
1451   ypos       =   fClength[5][2]/2.0 + fClength[5][1] + fClength[5][0];
1452   zpos       =  -fgkSheight/2.0 + fgkSMpltT + 2.60;
1453   gMC->Gspos("USC5",1,"UTI1", xpos, ypos, zpos,        0,"ONLY");
1454   gMC->Gspos("USC5",2,"UTI1", xpos,-ypos, zpos,        0,"ONLY");
1455   gMC->Gspos("USC5",3,"UTI2", xpos, ypos, zpos,        0,"ONLY");
1456   gMC->Gspos("USC5",4,"UTI2", xpos,-ypos, zpos,        0,"ONLY");
1457   gMC->Gspos("USC5",5,"UTI3", xpos, ypos, zpos,        0,"ONLY");
1458   gMC->Gspos("USC5",6,"UTI3", xpos,-ypos, zpos,        0,"ONLY");
1459   // Lower bar (aluminum)
1460   parBOX[0] = 82.60/2.0;
1461   parBOX[1] =  1.50/2.0;
1462   parBOX[2] =  1.60/2.0;
1463   gMC->Gsvolu("USC6","BOX ",idtmed[1301-1],parBOX,kNparBOX);
1464   xpos       =   0.0;
1465   ypos       =   fClength[5][2]/2.0 + fClength[5][1] + fClength[5][0];
1466   zpos       =  -fgkSheight/2.0 + fgkSMpltT + 1.60/2.0;
1467   gMC->Gspos("USC6",1,"UTI1", xpos, ypos, zpos,        0,"ONLY");
1468   gMC->Gspos("USC6",2,"UTI1", xpos,-ypos, zpos,        0,"ONLY");
1469   gMC->Gspos("USC6",3,"UTI2", xpos, ypos, zpos,        0,"ONLY");
1470   gMC->Gspos("USC6",4,"UTI2", xpos,-ypos, zpos,        0,"ONLY");
1471   gMC->Gspos("USC6",5,"UTI3", xpos, ypos, zpos,        0,"ONLY");
1472   gMC->Gspos("USC6",6,"UTI3", xpos,-ypos, zpos,        0,"ONLY");
1473
1474   //
1475   // The long corner ledges
1476   //
1477
1478   const Int_t   kNparSCL  =  3;
1479   Float_t parSCL[kNparSCL];
1480   const Int_t   kNparSCLb = 11;
1481   Float_t parSCLb[kNparSCLb];
1482
1483   // Upper ledges
1484   // Thickness of the corner ledges
1485   const Float_t kSCLthkUa  =  0.6;
1486   const Float_t kSCLthkUb  =  0.6;
1487   // Width of the corner ledges
1488   const Float_t kSCLwidUa  =  3.2;
1489   const Float_t kSCLwidUb  =  4.8;
1490   // Position of the corner ledges
1491   const Float_t kSCLposxUa = 0.7;
1492   const Float_t kSCLposxUb = 3.3;
1493   const Float_t kSCLposzUa = 1.65;
1494   const Float_t kSCLposzUb = 0.3;
1495   // Vertical
1496   parSCL[0]  = kSCLthkUa /2.0;
1497   parSCL[1]  = fgkSlength/2.0;
1498   parSCL[2]  = kSCLwidUa /2.0;
1499   gMC->Gsvolu("USL1","BOX ",idtmed[1301-1],parSCL,kNparSCL);
1500   xpos  =   fgkSwidth2/2.0 - fgkSMpltT - kSCLposxUa;
1501   ypos  =   0.0;
1502   zpos  =   fgkSheight/2.0 - fgkSMpltT - kSCLposzUa;
1503   gMC->Gspos("USL1",1,"UTI1", xpos,ypos,zpos,matrix[0],"ONLY");
1504   xpos  = -xpos;
1505   gMC->Gspos("USL1",2,"UTI1", xpos,ypos,zpos,matrix[1],"ONLY");
1506   // Horizontal
1507   parSCL[0]  = kSCLwidUb /2.0;
1508   parSCL[1]  = fgkSlength/2.0;
1509   parSCL[2]  = kSCLthkUb /2.0;
1510   gMC->Gsvolu("USL2","BOX ",idtmed[1301-1],parSCL,kNparSCL);
1511   xpos  =   fgkSwidth2/2.0 - fgkSMpltT - kSCLposxUb;
1512   ypos  =   0.0;
1513   zpos  =   fgkSheight/2.0 - fgkSMpltT - kSCLposzUb;
1514   gMC->Gspos("USL2",1,"UTI1", xpos,ypos,zpos,        0,"ONLY");
1515   gMC->Gspos("USL2",3,"UTI2", xpos,ypos,zpos,        0,"ONLY");
1516   gMC->Gspos("USL2",5,"UTI3", xpos,ypos,zpos,        0,"ONLY");
1517   xpos  = -xpos;
1518   gMC->Gspos("USL2",2,"UTI1", xpos,ypos,zpos,        0,"ONLY");
1519   gMC->Gspos("USL2",4,"UTI2", xpos,ypos,zpos,        0,"ONLY");
1520   gMC->Gspos("USL2",6,"UTI3", xpos,ypos,zpos,        0,"ONLY");
1521
1522   // Lower ledges
1523   // Thickness of the corner ledges
1524   const Float_t kSCLthkLa  =  2.464;
1525   const Float_t kSCLthkLb  =  1.0;
1526   // Width of the corner ledges
1527   const Float_t kSCLwidLa  =  8.5;
1528   const Float_t kSCLwidLb  =  3.3;
1529   // Position of the corner ledges
1530   const Float_t kSCLposxLa =  0.15;
1531   const Float_t kSCLposxLb =  2.7;
1532   const Float_t kSCLposzLa = -4.25;
1533   const Float_t kSCLposzLb = -0.5;
1534   // Vertical
1535   // Trapezoidal shape
1536   parSCLb[ 0] = fgkSlength/2.0;
1537   parSCLb[ 1] = 0.0;
1538   parSCLb[ 2] = 0.0;
1539   parSCLb[ 3] = kSCLwidLa /2.0;
1540   parSCLb[ 4] = kSCLthkLb /2.0;
1541   parSCLb[ 5] = kSCLthkLa /2.0;
1542   parSCLb[ 6] = 5.0;
1543   parSCLb[ 7] = kSCLwidLa /2.0;
1544   parSCLb[ 8] = kSCLthkLb /2.0;
1545   parSCLb[ 9] = kSCLthkLa /2.0;
1546   parSCLb[10] = 5.0;
1547   gMC->Gsvolu("USL3","TRAP",idtmed[1301-1],parSCLb,kNparSCLb);
1548   xpos  =   fgkSwidth1/2.0 - fgkSMpltT - kSCLposxLa;
1549   ypos  =   0.0;
1550   zpos  = - fgkSheight/2.0 + fgkSMpltT - kSCLposzLa;
1551   gMC->Gspos("USL3",1,"UTI1", xpos,ypos,zpos,matrix[2],"ONLY");
1552   gMC->Gspos("USL3",3,"UTI2", xpos,ypos,zpos,matrix[2],"ONLY");
1553   gMC->Gspos("USL3",5,"UTI3", xpos,ypos,zpos,matrix[2],"ONLY");
1554   xpos  = -xpos;
1555   gMC->Gspos("USL3",2,"UTI1", xpos,ypos,zpos,matrix[3],"ONLY");
1556   gMC->Gspos("USL3",4,"UTI2", xpos,ypos,zpos,matrix[3],"ONLY");
1557   gMC->Gspos("USL3",6,"UTI3", xpos,ypos,zpos,matrix[3],"ONLY");
1558   // Horizontal
1559   parSCL[0]  = kSCLwidLb /2.0;
1560   parSCL[1]  = fgkSlength/2.0;
1561   parSCL[2]  = kSCLthkLb /2.0;
1562   gMC->Gsvolu("USL4","BOX ",idtmed[1301-1],parSCL,kNparSCL);
1563   xpos  =   fgkSwidth1/2.0 - fgkSMpltT - kSCLposxLb;
1564   ypos  =   0.0;
1565   zpos  = - fgkSheight/2.0 + fgkSMpltT - kSCLposzLb;
1566   gMC->Gspos("USL4",1,"UTI1", xpos,ypos,zpos,        0,"ONLY");
1567   gMC->Gspos("USL4",3,"UTI2", xpos,ypos,zpos,        0,"ONLY");
1568   gMC->Gspos("USL4",5,"UTI3", xpos,ypos,zpos,        0,"ONLY");
1569   xpos  = -xpos;
1570   gMC->Gspos("USL4",2,"UTI1", xpos,ypos,zpos,        0,"ONLY");
1571   gMC->Gspos("USL4",4,"UTI2", xpos,ypos,zpos,        0,"ONLY");
1572   gMC->Gspos("USL4",6,"UTI3", xpos,ypos,zpos,        0,"ONLY");
1573
1574   //
1575   // Aluminum plates in the front part of the super modules
1576   //
1577
1578   const Int_t kNparTrd = 4;
1579   Float_t parTrd[kNparTrd];
1580   parTrd[0] = fgkSwidth1/2.0 - 2.5;
1581   parTrd[1] = fgkSwidth2/2.0 - 2.5;
1582   parTrd[2] = fgkSMpltT /2.0;
1583   parTrd[3] = fgkSheight/2.0 - 1.0;
1584   gMC->Gsvolu("UTA1","TRD1",idtmed[1301-1],parTrd,kNparTrd);
1585   xpos      =  0.0;
1586   ypos      =  fgkSMpltT/2.0 - fgkFlength/2.0;
1587   zpos      = -0.5;
1588   gMC->Gspos("UTA1",1,"UTF1",xpos, ypos,zpos,        0,"ONLY");
1589   gMC->Gspos("UTA1",2,"UTF2",xpos,-ypos,zpos,        0,"ONLY");
1590
1591   const Int_t kNparPlt = 3;
1592   Float_t parPlt[kNparPlt];
1593   parPlt[0] =  0.0;
1594   parPlt[1] =  0.0;
1595   parPlt[2] =  0.0;
1596   gMC->Gsvolu("UTA2","BOX ",idtmed[1301-1],parPlt,0);
1597   xpos      =  0.0;
1598   ypos      =  0.0;
1599   zpos      =  fgkSheight/2.0 - fgkSMpltT/2.0;
1600   parPlt[0] = fgkSwidth2/2.0 - 0.2;
1601   parPlt[1] = fgkFlength/2.0;
1602   parPlt[2] = fgkSMpltT /2.0;
1603   gMC->Gsposp("UTA2",1,"UTF2",xpos,ypos,zpos
1604                     ,        0,"ONLY",parPlt,kNparPlt);
1605   xpos      = (fgkSwidth1 + fgkSwidth2)/4.0 - fgkSMpltT/2.0 - 0.0016;
1606   ypos      =  0.0;
1607   zpos      =  0.0;
1608   parPlt[0] = fgkSMpltT /2.0;
1609   parPlt[1] = fgkFlength/2.0;
1610   parPlt[2] = fgkSheight/2.0;
1611   gMC->Gsposp("UTA2",2,"UTF2", xpos,ypos,zpos
1612                     ,matrix[0],"ONLY",parPlt,kNparPlt);
1613   gMC->Gsposp("UTA2",3,"UTF2",-xpos,ypos,zpos
1614                     ,matrix[1],"ONLY",parPlt,kNparPlt);
1615
1616   // Additional aluminum bar
1617   parBOX[0] = 80.0/2.0;
1618   parBOX[1] =  1.0/2.0;
1619   parBOX[2] = 10.0/2.0;
1620   gMC->Gsvolu("UTA3","BOX ",idtmed[1301-1],parBOX,kNparBOX);
1621   xpos      =  0.0;
1622   ypos      =  1.0/2.0 + fgkSMpltT - fgkFlength/2.0;
1623   zpos      =  fgkSheight/2.0 - 1.5 - 10.0/2.0;
1624   gMC->Gspos("UTA3",1,"UTF1", xpos, ypos, zpos,        0,"ONLY");
1625   gMC->Gspos("UTA3",2,"UTF2", xpos,-ypos, zpos,        0,"ONLY");
1626
1627 }
1628
1629 //_____________________________________________________________________________
1630 void AliTRDgeometry::CreateServices(Int_t *idtmed)
1631 {
1632   //
1633   // Create the geometry of the services
1634   //
1635   // Names of the TRD services volumina
1636   //
1637   //        UTC1    Cooling arterias (Al)
1638   //        UTC2    Cooling arterias (Water)
1639   //        UUxx    Volumes for the services at the chambers (Air)
1640   //        UTP1    Power bars       (Cu)
1641   //        UTCP    Cooling pipes    (Fe)
1642   //        UTCH    Cooling pipes    (Water)
1643   //        UTPL    Power lines      (Cu)
1644   //        UMCM    Readout MCMs     (G10/Cu/Si)
1645   //        UTGD    Gas distribution box (V2A)
1646   //
1647
1648   Int_t   ilayer = 0;
1649   Int_t   istack = 0;
1650
1651   Float_t xpos  = 0.0;
1652   Float_t ypos  = 0.0;
1653   Float_t zpos  = 0.0;
1654
1655   Char_t  cTagV[5];
1656
1657   const Int_t kNparBox  = 3;
1658   Float_t parBox[kNparBox];
1659
1660   const Int_t kNparTube = 3;
1661   Float_t parTube[kNparTube];
1662
1663   // Services inside the baby frame
1664   const Float_t kBBMdz = 223.0;
1665   const Float_t kBBSdz =   8.5;
1666
1667   // Services inside the back frame
1668   const Float_t kBFMdz = 118.0;
1669   const Float_t kBFSdz =   8.5;
1670
1671   // The rotation matrices
1672   const Int_t kNmatrix = 10;
1673   Int_t   matrix[kNmatrix];
1674   gMC->Matrix(matrix[0], 100.0,   0.0,  90.0,  90.0,  10.0,   0.0); // rotation around y-axis
1675   gMC->Matrix(matrix[1],  80.0,   0.0,  90.0,  90.0,  10.0, 180.0); // rotation around y-axis
1676   gMC->Matrix(matrix[2],   0.0,   0.0,  90.0,  90.0,  90.0,   0.0);
1677   gMC->Matrix(matrix[3], 180.0,   0.0,  90.0,  90.0,  90.0, 180.0);
1678   gMC->Matrix(matrix[4],  90.0,   0.0,   0.0,   0.0,  90.0,  90.0);
1679   gMC->Matrix(matrix[5], 100.0,   0.0,  90.0, 270.0,  10.0,   0.0);
1680   gMC->Matrix(matrix[6],  80.0,   0.0,  90.0, 270.0,  10.0, 180.0);
1681   gMC->Matrix(matrix[7],  90.0,  10.0,  90.0, 100.0,   0.0,   0.0); // rotation around z-axis
1682   gMC->Matrix(matrix[8],  90.0, 350.0,  90.0,  80.0,   0.0,   0.0); // rotation around z-axis
1683   gMC->Matrix(matrix[9],  90.0,  90.0,  90.0, 180.0,   0.0,   0.0); // rotation around z-axis
1684
1685   //
1686   // The cooling arterias
1687   //
1688
1689   // Width of the cooling arterias
1690   const Float_t kCOLwid  =  0.8;
1691   // Height of the cooling arterias
1692   const Float_t kCOLhgt  =  6.5;
1693   // Positioning of the cooling
1694   const Float_t kCOLposx =  1.8;
1695   const Float_t kCOLposz = -0.1;
1696   // Thickness of the walls of the cooling arterias
1697   const Float_t kCOLthk  =  0.1;
1698   const Int_t   kNparCOL =  3;
1699   Float_t parCOL[kNparCOL];
1700   parCOL[0] = 0.0;
1701   parCOL[1] = 0.0;
1702   parCOL[2] = 0.0;
1703   gMC->Gsvolu("UTC1","BOX ",idtmed[1308-1],parCOL,0);
1704   gMC->Gsvolu("UTC3","BOX ",idtmed[1308-1],parCOL,0);
1705   parCOL[0] =  kCOLwid/2.0 - kCOLthk;
1706   parCOL[1] = -1.0;
1707   parCOL[2] =  kCOLhgt/2.0 - kCOLthk;
1708   gMC->Gsvolu("UTC2","BOX ",idtmed[1314-1],parCOL,kNparCOL);
1709   gMC->Gsvolu("UTC4","BOX ",idtmed[1314-1],parCOL,kNparCOL);
1710
1711   xpos  = 0.0;
1712   ypos  = 0.0;
1713   zpos  = 0.0;
1714   gMC->Gspos("UTC2",1,"UTC1", xpos,ypos,zpos,0,"ONLY");
1715   gMC->Gspos("UTC4",1,"UTC3", xpos,ypos,zpos,0,"ONLY");
1716
1717   for (ilayer = 1; ilayer < kNlayer; ilayer++) {
1718
1719     // Along the chambers
1720     xpos      = fCwidth[ilayer]/2.0 + kCOLwid/2.0 + kCOLposx;
1721     ypos      = 0.0;
1722     zpos      = fgkVrocsm + fgkSMpltT + kCOLhgt/2.0 - fgkSheight/2.0 + kCOLposz
1723               + ilayer * (fgkCH + fgkVspace);
1724     parCOL[0] = kCOLwid   /2.0;
1725     parCOL[1] = fgkSlength/2.0;
1726     parCOL[2] = kCOLhgt   /2.0;
1727     gMC->Gsposp("UTC1",ilayer          ,"UTI1", xpos,ypos,zpos
1728                       ,matrix[0],"ONLY",parCOL,kNparCOL);
1729     gMC->Gsposp("UTC1",ilayer+  kNlayer,"UTI1",-xpos,ypos,zpos
1730                       ,matrix[1],"ONLY",parCOL,kNparCOL);
1731     gMC->Gsposp("UTC1",ilayer+6*kNlayer,"UTI2", xpos,ypos,zpos
1732                       ,matrix[0],"ONLY",parCOL,kNparCOL);
1733     gMC->Gsposp("UTC1",ilayer+7*kNlayer,"UTI2",-xpos,ypos,zpos
1734                       ,matrix[1],"ONLY",parCOL,kNparCOL);
1735     gMC->Gsposp("UTC1",ilayer+8*kNlayer ,"UTI3", xpos,ypos,zpos
1736                       ,matrix[0],"ONLY",parCOL,kNparCOL);
1737     gMC->Gsposp("UTC1",ilayer+9*kNlayer,"UTI3",-xpos,ypos,zpos
1738                       ,matrix[1],"ONLY",parCOL,kNparCOL);
1739
1740     // Front of supermodules
1741     xpos      = fCwidth[ilayer]/2.0 + kCOLwid/2.0 + kCOLposx;
1742     ypos      = 0.0;
1743     zpos      = fgkVrocsm + fgkSMpltT + kCOLhgt/2.0 - fgkSheight/2.0 + kCOLposz
1744               + ilayer * (fgkCH + fgkVspace);
1745     parCOL[0] = kCOLwid   /2.0;
1746     parCOL[1] = fgkFlength/2.0;
1747     parCOL[2] = kCOLhgt   /2.0;
1748     gMC->Gsposp("UTC3",ilayer+2*kNlayer,"UTF1", xpos,ypos,zpos
1749                       ,matrix[0],"ONLY",parCOL,kNparCOL);
1750     gMC->Gsposp("UTC3",ilayer+3*kNlayer,"UTF1",-xpos,ypos,zpos
1751                       ,matrix[1],"ONLY",parCOL,kNparCOL);
1752     gMC->Gsposp("UTC3",ilayer+4*kNlayer,"UTF2", xpos,ypos,zpos
1753                       ,matrix[0],"ONLY",parCOL,kNparCOL);
1754     gMC->Gsposp("UTC3",ilayer+5*kNlayer,"UTF2",-xpos,ypos,zpos
1755                       ,matrix[1],"ONLY",parCOL,kNparCOL);
1756
1757   }
1758
1759   for (ilayer = 1; ilayer < kNlayer; ilayer++) {
1760
1761     // In baby frame
1762     xpos      = fCwidth[ilayer]/2.0 + kCOLwid/2.0 - 1.04;
1763     ypos      = kBBSdz/2.0 - kBBMdz/2.0;
1764     zpos      = fgkVrocsm + fgkSMpltT + kCOLhgt/2.0 - fgkSheight/2.0 + kCOLposz
1765               + ilayer * (fgkCH + fgkVspace);
1766     parCOL[0] = kCOLwid/2.0;
1767     parCOL[1] = kBBSdz /2.0;
1768     parCOL[2] = kCOLhgt/2.0;
1769     gMC->Gsposp("UTC3",ilayer+6*kNlayer,"BBTRD", xpos, ypos, zpos
1770                       ,matrix[0],"ONLY",parCOL,kNparCOL);
1771     gMC->Gsposp("UTC3",ilayer+7*kNlayer,"BBTRD",-xpos, ypos, zpos
1772                       ,matrix[1],"ONLY",parCOL,kNparCOL);
1773
1774   }
1775
1776   for (ilayer = 1; ilayer < kNlayer; ilayer++) {
1777
1778     // In back frame
1779     xpos      = fCwidth[ilayer]/2.0 + kCOLwid/2.0 + kCOLposx;
1780     ypos      = -kBFSdz/2.0 + kBFMdz/2.0;
1781     zpos      = fgkVrocsm + fgkSMpltT + kCOLhgt/2.0 - fgkSheight/2.0 + kCOLposz
1782               + ilayer * (fgkCH + fgkVspace);
1783     parCOL[0] = kCOLwid/2.0;
1784     parCOL[1] = kBFSdz /2.0;
1785     parCOL[2] = kCOLhgt/2.0;
1786     gMC->Gsposp("UTC3",ilayer+6*kNlayer,"BFTRD", xpos,ypos,zpos
1787                       ,matrix[0],"ONLY",parCOL,kNparCOL);
1788     gMC->Gsposp("UTC3",ilayer+7*kNlayer,"BFTRD",-xpos,ypos,zpos
1789                       ,matrix[1],"ONLY",parCOL,kNparCOL);
1790
1791   }
1792
1793   // The upper most layer (reaching into TOF acceptance)
1794   // Along the chambers
1795   xpos      = fCwidth[5]/2.0 - kCOLhgt/2.0 - 1.3;
1796   ypos      = 0.0;
1797   zpos      = fgkSheight/2.0 - fgkSMpltT - 0.4 - kCOLwid/2.0;
1798   parCOL[0] = kCOLwid   /2.0;
1799   parCOL[1] = fgkSlength/2.0;
1800   parCOL[2] = kCOLhgt   /2.0;
1801   gMC->Gsposp("UTC1",6          ,"UTI1", xpos,ypos,zpos
1802                     ,matrix[3],"ONLY",parCOL,kNparCOL);
1803   gMC->Gsposp("UTC1",6+  kNlayer,"UTI1",-xpos,ypos,zpos
1804                     ,matrix[3],"ONLY",parCOL,kNparCOL);
1805   gMC->Gsposp("UTC1",6+6*kNlayer,"UTI2", xpos,ypos,zpos
1806                     ,matrix[3],"ONLY",parCOL,kNparCOL);
1807   gMC->Gsposp("UTC1",6+7*kNlayer,"UTI2",-xpos,ypos,zpos
1808                     ,matrix[3],"ONLY",parCOL,kNparCOL);
1809   gMC->Gsposp("UTC1",6+8*kNlayer,"UTI3", xpos,ypos,zpos
1810                     ,matrix[3],"ONLY",parCOL,kNparCOL);
1811   gMC->Gsposp("UTC1",6+9*kNlayer,"UTI3",-xpos,ypos,zpos
1812                     ,matrix[3],"ONLY",parCOL,kNparCOL);
1813   // Front of supermodules
1814   xpos      = fCwidth[5]/2.0 - kCOLhgt/2.0 - 1.3;
1815   ypos      = 0.0;
1816   zpos      = fgkSheight/2.0 - fgkSMpltT - 0.4 - kCOLwid/2.0;
1817   parCOL[0] = kCOLwid   /2.0;
1818   parCOL[1] = fgkFlength/2.0;
1819   parCOL[2] = kCOLhgt   /2.0;
1820   gMC->Gsposp("UTC3",6+2*kNlayer,"UTF1", xpos,ypos,zpos
1821                     ,matrix[3],"ONLY",parCOL,kNparCOL);
1822   gMC->Gsposp("UTC3",6+3*kNlayer,"UTF1",-xpos,ypos,zpos
1823                     ,matrix[3],"ONLY",parCOL,kNparCOL);
1824   gMC->Gsposp("UTC3",6+4*kNlayer,"UTF2", xpos,ypos,zpos
1825                     ,matrix[3],"ONLY",parCOL,kNparCOL);
1826   gMC->Gsposp("UTC3",6+5*kNlayer,"UTF2",-xpos,ypos,zpos
1827                     ,matrix[3],"ONLY",parCOL,kNparCOL);
1828   // In baby frame
1829   xpos      = fCwidth[5]/2.0 - kCOLhgt/2.0 - 3.1;
1830   ypos      = kBBSdz/2.0 - kBBMdz/2.0;
1831   zpos      = fgkSheight/2.0 - fgkSMpltT - 0.4 - kCOLwid/2.0;
1832   parCOL[0] = kCOLwid/2.0;
1833   parCOL[1] = kBBSdz /2.0;
1834   parCOL[2] = kCOLhgt/2.0;
1835   gMC->Gsposp("UTC3",6+6*kNlayer,"BBTRD", xpos, ypos, zpos
1836                     ,matrix[3],"ONLY",parCOL,kNparCOL);
1837   gMC->Gsposp("UTC3",6+7*kNlayer,"BBTRD",-xpos, ypos, zpos
1838                     ,matrix[3],"ONLY",parCOL,kNparCOL);
1839   // In back frame
1840   xpos      = fCwidth[5]/2.0 - kCOLhgt/2.0 - 1.3;
1841   ypos      = -kBFSdz/2.0 + kBFMdz/2.0;
1842   zpos      = fgkSheight/2.0 - fgkSMpltT - 0.4 - kCOLwid/2.0;
1843   parCOL[0] = kCOLwid/2.0;
1844   parCOL[1] = kBFSdz /2.0;
1845   parCOL[2] = kCOLhgt/2.0;
1846   gMC->Gsposp("UTC3",6+6*kNlayer,"BFTRD", xpos,ypos,zpos
1847                     ,matrix[3],"ONLY",parCOL,kNparCOL);
1848   gMC->Gsposp("UTC3",6+7*kNlayer,"BFTRD",-xpos,ypos,zpos
1849                     ,matrix[3],"ONLY",parCOL,kNparCOL);
1850
1851   //
1852   // The power bars
1853   //
1854
1855   const Float_t kPWRwid  =  0.6;
1856   const Float_t kPWRhgt  =  5.0;
1857   const Float_t kPWRposx =  1.4;
1858   const Float_t kPWRposz =  1.9;
1859   const Int_t   kNparPWR =  3;
1860   Float_t parPWR[kNparPWR];
1861   parPWR[0] = 0.0;
1862   parPWR[1] = 0.0;
1863   parPWR[2] = 0.0;
1864   gMC->Gsvolu("UTP1","BOX ",idtmed[1325-1],parPWR,0);
1865   gMC->Gsvolu("UTP3","BOX ",idtmed[1325-1],parPWR,0);
1866
1867   for (ilayer = 1; ilayer < kNlayer; ilayer++) {
1868
1869     // Along the chambers
1870     xpos      = fCwidth[ilayer]/2.0 + kPWRwid/2.0 + kPWRposx;
1871     ypos      = 0.0;
1872     zpos      = fgkVrocsm + fgkSMpltT + kPWRhgt/2.0 - fgkSheight/2.0 + kPWRposz
1873               + ilayer * (fgkCH + fgkVspace);
1874     parPWR[0] = kPWRwid   /2.0;
1875     parPWR[1] = fgkSlength/2.0;
1876     parPWR[2] = kPWRhgt   /2.0;
1877     gMC->Gsposp("UTP1",ilayer          ,"UTI1", xpos,ypos,zpos
1878                       ,matrix[0],"ONLY",parPWR,kNparPWR);
1879     gMC->Gsposp("UTP1",ilayer+  kNlayer,"UTI1",-xpos,ypos,zpos
1880                       ,matrix[1],"ONLY",parPWR,kNparPWR);
1881     gMC->Gsposp("UTP1",ilayer+6*kNlayer,"UTI2", xpos,ypos,zpos
1882                       ,matrix[0],"ONLY",parPWR,kNparPWR);
1883     gMC->Gsposp("UTP1",ilayer+7*kNlayer,"UTI2",-xpos,ypos,zpos
1884                       ,matrix[1],"ONLY",parPWR,kNparPWR);
1885     gMC->Gsposp("UTP1",ilayer+8*kNlayer,"UTI3", xpos,ypos,zpos
1886                       ,matrix[0],"ONLY",parPWR,kNparPWR);
1887     gMC->Gsposp("UTP1",ilayer+9*kNlayer,"UTI3",-xpos,ypos,zpos
1888                       ,matrix[1],"ONLY",parPWR,kNparPWR);
1889
1890     // Front of supermodule
1891     xpos      = fCwidth[ilayer]/2.0 + kPWRwid/2.0 + kPWRposx;
1892     ypos      = 0.0;
1893     zpos      = fgkVrocsm + fgkSMpltT + kPWRhgt/2.0 - fgkSheight/2.0 + kPWRposz
1894               + ilayer * (fgkCH + fgkVspace);
1895     parPWR[0] = kPWRwid   /2.0;
1896     parPWR[1] = fgkFlength/2.0;
1897     parPWR[2] = kPWRhgt   /2.0;
1898     gMC->Gsposp("UTP3",ilayer+2*kNlayer,"UTF1", xpos,ypos,zpos
1899                       ,matrix[0],"ONLY",parPWR,kNparPWR);
1900     gMC->Gsposp("UTP3",ilayer+3*kNlayer,"UTF1",-xpos,ypos,zpos
1901                       ,matrix[1],"ONLY",parPWR,kNparPWR);
1902     gMC->Gsposp("UTP3",ilayer+4*kNlayer,"UTF2", xpos,ypos,zpos
1903                       ,matrix[0],"ONLY",parPWR,kNparPWR);
1904     gMC->Gsposp("UTP3",ilayer+5*kNlayer,"UTF2",-xpos,ypos,zpos
1905                       ,matrix[1],"ONLY",parPWR,kNparPWR);
1906
1907   }
1908
1909   for (ilayer = 1; ilayer < kNlayer; ilayer++) {
1910
1911     // In baby frame
1912     xpos      = fCwidth[ilayer]/2.0 + kPWRwid/2.0;
1913     ypos      = kBBSdz/2.0 - kBBMdz/2.0;
1914     zpos      = fgkVrocsm + fgkSMpltT + kPWRhgt/2.0 - fgkSheight/2.0 + kPWRposz
1915               + ilayer * (fgkCH + fgkVspace);
1916     parPWR[0] = kPWRwid/2.0;
1917     parPWR[1] = kBBSdz /2.0;
1918     parPWR[2] = kPWRhgt/2.0;
1919     gMC->Gsposp("UTP3",ilayer+6*kNlayer,"BBTRD", xpos, ypos, zpos
1920                       ,matrix[0],"ONLY",parPWR,kNparPWR);
1921     gMC->Gsposp("UTP3",ilayer+7*kNlayer,"BBTRD",-xpos, ypos, zpos
1922                       ,matrix[1],"ONLY",parPWR,kNparPWR);
1923
1924   }
1925
1926   for (ilayer = 1; ilayer < kNlayer; ilayer++) {
1927
1928     // In back frame
1929     xpos      = fCwidth[ilayer]/2.0 + kPWRwid/2.0 + kPWRposx;
1930     ypos      = -kBFSdz/2.0 + kBFMdz/2.0;
1931     zpos      = fgkVrocsm + fgkSMpltT + kPWRhgt/2.0 - fgkSheight/2.0 + kPWRposz
1932               + ilayer * (fgkCH + fgkVspace);
1933     parPWR[0] = kPWRwid/2.0;
1934     parPWR[1] = kBFSdz /2.0;
1935     parPWR[2] = kPWRhgt/2.0;
1936     gMC->Gsposp("UTP3",ilayer+8*kNlayer,"BFTRD", xpos,ypos,zpos
1937                       ,matrix[0],"ONLY",parPWR,kNparPWR);
1938     gMC->Gsposp("UTP3",ilayer+9*kNlayer,"BFTRD",-xpos,ypos,zpos
1939                       ,matrix[1],"ONLY",parPWR,kNparPWR);
1940
1941   }
1942
1943   // The upper most layer
1944   // Along the chambers
1945   xpos      = fCwidth[5]/2.0 + kPWRhgt/2.0 - 1.3;
1946   ypos      = 0.0;
1947   zpos      = fgkSheight/2.0 - fgkSMpltT - 0.6 - kPWRwid/2.0;
1948   parPWR[0] = kPWRwid   /2.0;
1949   parPWR[1] = fgkSlength/2.0;
1950   parPWR[2] = kPWRhgt   /2.0;
1951   gMC->Gsposp("UTP1",6          ,"UTI1", xpos,ypos,zpos
1952                     ,matrix[3],"ONLY",parPWR,kNparPWR);
1953   gMC->Gsposp("UTP1",6+  kNlayer,"UTI1",-xpos,ypos,zpos
1954                     ,matrix[3],"ONLY",parPWR,kNparPWR);
1955   gMC->Gsposp("UTP1",6+6*kNlayer,"UTI2", xpos,ypos,zpos
1956                     ,matrix[3],"ONLY",parPWR,kNparPWR);
1957   gMC->Gsposp("UTP1",6+7*kNlayer,"UTI2",-xpos,ypos,zpos
1958                     ,matrix[3],"ONLY",parPWR,kNparPWR);
1959   gMC->Gsposp("UTP1",6+8*kNlayer,"UTI3", xpos,ypos,zpos
1960                     ,matrix[3],"ONLY",parPWR,kNparPWR);
1961   gMC->Gsposp("UTP1",6+9*kNlayer,"UTI3",-xpos,ypos,zpos
1962                     ,matrix[3],"ONLY",parPWR,kNparPWR);
1963   // Front of supermodules
1964   xpos      = fCwidth[5]/2.0 + kPWRhgt/2.0 - 1.3;
1965   ypos      = 0.0;
1966   zpos      = fgkSheight/2.0 - fgkSMpltT - 0.6 - kPWRwid/2.0;
1967   parPWR[0] = kPWRwid   /2.0;
1968   parPWR[1] = fgkFlength/2.0;
1969   parPWR[2] = kPWRhgt   /2.0;
1970   gMC->Gsposp("UTP3",6+2*kNlayer,"UTF1", xpos,ypos,zpos
1971                     ,matrix[3],"ONLY",parPWR,kNparPWR);
1972   gMC->Gsposp("UTP3",6+3*kNlayer,"UTF1",-xpos,ypos,zpos
1973                     ,matrix[3],"ONLY",parPWR,kNparPWR);
1974   gMC->Gsposp("UTP3",6+4*kNlayer,"UTF2", xpos,ypos,zpos
1975                     ,matrix[3],"ONLY",parPWR,kNparPWR);
1976   gMC->Gsposp("UTP3",6+5*kNlayer,"UTF2",-xpos,ypos,zpos
1977                     ,matrix[3],"ONLY",parPWR,kNparPWR);
1978   // In baby frame
1979   xpos      = fCwidth[5]/2.0 + kPWRhgt/2.0 - 3.0;
1980   ypos      = kBBSdz/2.0 - kBBMdz/2.0;
1981   zpos      = fgkSheight/2.0 - fgkSMpltT - 0.6 - kPWRwid/2.0;
1982   parPWR[0] = kPWRwid/2.0;
1983   parPWR[1] = kBBSdz /2.0;
1984   parPWR[2] = kPWRhgt/2.0;
1985   gMC->Gsposp("UTP3",6+6*kNlayer,"BBTRD", xpos, ypos, zpos
1986                     ,matrix[3],"ONLY",parPWR,kNparPWR);
1987   gMC->Gsposp("UTP3",6+7*kNlayer,"BBTRD",-xpos, ypos, zpos
1988                     ,matrix[3],"ONLY",parPWR,kNparPWR);
1989   // In back frame
1990   xpos      = fCwidth[5]/2.0 + kPWRhgt/2.0 - 1.3;
1991   ypos      = -kBFSdz/2.0 + kBFMdz/2.0;
1992   zpos      = fgkSheight/2.0 - fgkSMpltT - 0.6 - kPWRwid/2.0;
1993   parPWR[0] = kPWRwid/2.0;
1994   parPWR[1] = kBFSdz /2.0;
1995   parPWR[2] = kPWRhgt/2.0;
1996   gMC->Gsposp("UTP3",6+8*kNlayer,"BFTRD", xpos,ypos,zpos
1997                     ,matrix[3],"ONLY",parPWR,kNparPWR);
1998   gMC->Gsposp("UTP3",6+9*kNlayer,"BFTRD",-xpos,ypos,zpos
1999                     ,matrix[3],"ONLY",parPWR,kNparPWR);
2000
2001   //
2002   // The gas tubes connecting the chambers in the super modules with holes
2003   // Material: Stainless steel
2004   //
2005
2006   parTube[0] = 0.0;
2007   parTube[1] = 2.2/2.0;
2008   parTube[2] = fClength[5][2]/2.0 - fgkHspace/2.0;
2009   gMC->Gsvolu("UTG1","TUBE",idtmed[1308-1],parTube,kNparTube);
2010   parTube[0] = 0.0;
2011   parTube[1] = 2.1/2.0;
2012   parTube[2] = fClength[5][2]/2.0 - fgkHspace/2.0;
2013   gMC->Gsvolu("UTG2","TUBE",idtmed[1309-1],parTube,kNparTube);
2014   xpos  = 0.0;
2015   ypos  = 0.0;
2016   zpos  = 0.0;
2017   gMC->Gspos("UTG2",1,"UTG1",xpos,ypos,zpos,0,"ONLY");
2018   for (ilayer = 0; ilayer < kNlayer; ilayer++) {
2019     xpos      = fCwidth[ilayer]/2.0 + kCOLwid/2.0 - 1.5;
2020     ypos      = 0.0;
2021     zpos      = fgkVrocsm + fgkSMpltT + kCOLhgt/2.0 - fgkSheight/2.0 + 5.0
2022               + ilayer * (fgkCH + fgkVspace);
2023     gMC->Gspos("UTG1",1+ilayer,"UTI3", xpos, ypos, zpos,matrix[4],"ONLY");
2024     gMC->Gspos("UTG1",7+ilayer,"UTI3",-xpos, ypos, zpos,matrix[4],"ONLY");
2025   }
2026
2027   //
2028   // The volumes for the services at the chambers
2029   //
2030
2031   const Int_t kNparServ = 3;
2032   Float_t parServ[kNparServ];
2033
2034   for (istack = 0; istack < kNstack; istack++) {
2035     for (ilayer = 0; ilayer < kNlayer; ilayer++) {
2036
2037       Int_t iDet = GetDetectorSec(ilayer,istack);
2038
2039       sprintf(cTagV,"UU%02d",iDet);
2040       parServ[0] = fCwidth[ilayer]         /2.0;
2041       parServ[1] = fClength[ilayer][istack]/2.0 - fgkHspace/2.0;
2042       parServ[2] = fgkVspace               /2.0 - 0.742/2.0;
2043       fChamberUUboxd[iDet][0] = parServ[0];
2044       fChamberUUboxd[iDet][1] = parServ[1];
2045       fChamberUUboxd[iDet][2] = parServ[2];
2046       gMC->Gsvolu(cTagV,"BOX",idtmed[1302-1],parServ,kNparServ);
2047
2048       xpos  = 0.0;
2049       ypos  = fClength[ilayer][0] + fClength[ilayer][1] + fClength[ilayer][2]/2.0;
2050       for (Int_t ic = 0; ic < istack; ic++) {
2051         ypos -= fClength[ilayer][ic];
2052       }
2053       ypos -= fClength[ilayer][istack]/2.0;
2054       zpos  = fgkVrocsm + fgkSMpltT + fgkCH + fgkVspace/2.0 - fgkSheight/2.0
2055             + ilayer * (fgkCH + fgkVspace);
2056       zpos -= 0.742/2.0;
2057       fChamberUUorig[iDet][0] = xpos;
2058       fChamberUUorig[iDet][1] = ypos;
2059       fChamberUUorig[iDet][2] = zpos;
2060
2061     }
2062   }
2063
2064   //
2065   // The cooling pipes inside the service volumes
2066   //
2067
2068   // The cooling pipes
2069   parTube[0] =  0.0;
2070   parTube[1] =  0.0;
2071   parTube[2] =  0.0;
2072   gMC->Gsvolu("UTCP","TUBE",idtmed[1324-1],parTube,0);
2073   // The cooling water
2074   parTube[0] =  0.0;
2075   parTube[1] =  0.2/2.0;
2076   parTube[2] = -1.0;
2077   gMC->Gsvolu("UTCH","TUBE",idtmed[1314-1],parTube,kNparTube);
2078   // Water inside the cooling pipe
2079   xpos = 0.0;
2080   ypos = 0.0;
2081   zpos = 0.0;
2082   gMC->Gspos("UTCH",1,"UTCP",xpos,ypos,zpos,0,"ONLY");
2083
2084   // Position the cooling pipes in the mother volume
2085   for (istack = 0; istack < kNstack; istack++) {
2086     for (ilayer = 0; ilayer < kNlayer; ilayer++) {
2087       Int_t   iDet    = GetDetectorSec(ilayer,istack);
2088       Int_t   iCopy   = GetDetector(ilayer,istack,0) * 100;
2089       Int_t   nMCMrow = GetRowMax(ilayer,istack,0);
2090       Float_t ySize   = (GetChamberLength(ilayer,istack) - 2.0*fgkRpadW)
2091                       / ((Float_t) nMCMrow);
2092       sprintf(cTagV,"UU%02d",iDet);
2093       for (Int_t iMCMrow = 0; iMCMrow < nMCMrow; iMCMrow++) {
2094         xpos   = 0.0;
2095         ypos   = (0.5 + iMCMrow) * ySize - 1.9
2096                - fClength[ilayer][istack]/2.0 + fgkHspace/2.0;
2097         zpos   = 0.0 + 0.742/2.0;
2098         // The cooling pipes
2099         parTube[0] = 0.0;
2100         parTube[1] = 0.3/2.0; // Thickness of the cooling pipes
2101         parTube[2] = fCwidth[ilayer]/2.0;
2102         gMC->Gsposp("UTCP",iCopy+iMCMrow,cTagV,xpos,ypos,zpos
2103                           ,matrix[2],"ONLY",parTube,kNparTube);
2104       }
2105     }
2106   }
2107
2108   //
2109   // The power lines
2110   //
2111
2112   // The copper power lines
2113   parTube[0] = 0.0;
2114   parTube[1] = 0.0;
2115   parTube[2] = 0.0;
2116   gMC->Gsvolu("UTPL","TUBE",idtmed[1305-1],parTube,0);
2117
2118   // Position the power lines in the mother volume
2119   for (istack = 0; istack < kNstack; istack++) {
2120     for (ilayer = 0; ilayer < kNlayer; ilayer++) {
2121       Int_t   iDet    = GetDetectorSec(ilayer,istack);
2122       Int_t   iCopy   = GetDetector(ilayer,istack,0) * 100;
2123       Int_t   nMCMrow = GetRowMax(ilayer,istack,0);
2124       Float_t ySize   = (GetChamberLength(ilayer,istack) - 2.0*fgkRpadW)
2125                       / ((Float_t) nMCMrow);
2126       sprintf(cTagV,"UU%02d",iDet);
2127       for (Int_t iMCMrow = 0; iMCMrow < nMCMrow; iMCMrow++) {
2128         xpos       = 0.0;
2129         ypos       = (0.5 + iMCMrow) * ySize - 1.0
2130                    - fClength[ilayer][istack]/2.0 + fgkHspace/2.0;
2131         zpos       = -0.4 + 0.742/2.0;
2132         parTube[0] = 0.0;
2133         parTube[1] = 0.2/2.0; // Thickness of the power lines
2134         parTube[2] = fCwidth[ilayer]/2.0;
2135         gMC->Gsposp("UTPL",iCopy+iMCMrow,cTagV,xpos,ypos,zpos
2136                           ,matrix[2],"ONLY",parTube,kNparTube);
2137       }
2138     }
2139   }
2140
2141   //
2142   // The MCMs
2143   //
2144
2145   const Float_t kMCMx    = 3.0;
2146   const Float_t kMCMy    = 3.0;
2147   const Float_t kMCMz    = 0.3;
2148
2149   const Float_t kMCMpcTh = 0.1;
2150   const Float_t kMCMcuTh = 0.0025;
2151   const Float_t kMCMsiTh = 0.03;
2152   const Float_t kMCMcoTh = 0.04;
2153
2154   // The mother volume for the MCMs (air)
2155   const Int_t kNparMCM = 3;
2156   Float_t parMCM[kNparMCM];
2157   parMCM[0] = kMCMx   /2.0;
2158   parMCM[1] = kMCMy   /2.0;
2159   parMCM[2] = kMCMz   /2.0;
2160   gMC->Gsvolu("UMCM","BOX",idtmed[1302-1],parMCM,kNparMCM);
2161
2162   // The MCM carrier G10 layer
2163   parMCM[0] = kMCMx   /2.0;
2164   parMCM[1] = kMCMy   /2.0;
2165   parMCM[2] = kMCMpcTh/2.0;
2166   gMC->Gsvolu("UMC1","BOX",idtmed[1319-1],parMCM,kNparMCM);
2167   // The MCM carrier Cu layer
2168   parMCM[0] = kMCMx   /2.0;
2169   parMCM[1] = kMCMy   /2.0;
2170   parMCM[2] = kMCMcuTh/2.0;
2171   gMC->Gsvolu("UMC2","BOX",idtmed[1318-1],parMCM,kNparMCM);
2172   // The silicon of the chips
2173   parMCM[0] = kMCMx   /2.0;
2174   parMCM[1] = kMCMy   /2.0;
2175   parMCM[2] = kMCMsiTh/2.0;
2176   gMC->Gsvolu("UMC3","BOX",idtmed[1320-1],parMCM,kNparMCM);
2177   // The aluminum of the cooling plates
2178   parMCM[0] = kMCMx   /2.0;
2179   parMCM[1] = kMCMy   /2.0;
2180   parMCM[2] = kMCMcoTh/2.0;
2181   gMC->Gsvolu("UMC4","BOX",idtmed[1324-1],parMCM,kNparMCM);
2182
2183   // Put the MCM material inside the MCM mother volume
2184   xpos  =  0.0;
2185   ypos  =  0.0;
2186   zpos  = -kMCMz   /2.0 + kMCMpcTh/2.0;
2187   gMC->Gspos("UMC1",1,"UMCM",xpos,ypos,zpos,0,"ONLY");
2188   zpos +=  kMCMpcTh/2.0 + kMCMcuTh/2.0;
2189   gMC->Gspos("UMC2",1,"UMCM",xpos,ypos,zpos,0,"ONLY");
2190   zpos +=  kMCMcuTh/2.0 + kMCMsiTh/2.0;
2191   gMC->Gspos("UMC3",1,"UMCM",xpos,ypos,zpos,0,"ONLY");
2192   zpos +=  kMCMsiTh/2.0 + kMCMcoTh/2.0;
2193   gMC->Gspos("UMC4",1,"UMCM",xpos,ypos,zpos,0,"ONLY");
2194
2195   // Position the MCMs in the mother volume
2196   for (istack = 0; istack < kNstack; istack++) {
2197     for (ilayer = 0; ilayer < kNlayer; ilayer++) {
2198       Int_t   iDet    = GetDetectorSec(ilayer,istack);
2199       Int_t   iCopy   = GetDetector(ilayer,istack,0) * 1000;
2200       Int_t   nMCMrow = GetRowMax(ilayer,istack,0);
2201       Float_t ySize   = (GetChamberLength(ilayer,istack) - 2.0*fgkRpadW)
2202                       / ((Float_t) nMCMrow);
2203       Int_t   nMCMcol = 8;
2204       Float_t xSize   = (GetChamberWidth(ilayer)         - 2.0*fgkCpadW)
2205                       / ((Float_t) nMCMcol);
2206       sprintf(cTagV,"UU%02d",iDet);
2207       for (Int_t iMCMrow = 0; iMCMrow < nMCMrow; iMCMrow++) {
2208         for (Int_t iMCMcol = 0; iMCMcol < nMCMcol; iMCMcol++) {
2209           xpos      = (0.5 + iMCMcol) * xSize + 1.0
2210                     - fCwidth[ilayer]/2.0;
2211           ypos      = (0.5 + iMCMrow) * ySize + 1.0
2212                     - fClength[ilayer][istack]/2.0 + fgkHspace/2.0;
2213           zpos      = -0.4 + 0.742/2.0;
2214           gMC->Gspos("UMCM",iCopy+iMCMrow*10+iMCMcol,cTagV
2215                            ,xpos,ypos,zpos,0,"ONLY");
2216         }
2217       }
2218
2219     }
2220   }
2221
2222   //
2223   // Services in front of the super module
2224   //
2225
2226   // Gas in-/outlet pipes (INOX)
2227   parTube[0] = 0.0;
2228   parTube[1] = 0.0;
2229   parTube[2] = 0.0;
2230   gMC->Gsvolu("UTG3","TUBE",idtmed[1308-1],parTube,0);
2231   // The gas inside the in-/outlet pipes (Xe)
2232   parTube[0] =  0.0;
2233   parTube[1] =  1.2/2.0;
2234   parTube[2] = -1.0;
2235   gMC->Gsvolu("UTG4","TUBE",idtmed[1309-1],parTube,kNparTube);
2236   xpos = 0.0;
2237   ypos = 0.0;
2238   zpos = 0.0;
2239   gMC->Gspos("UTG4",1,"UTG3",xpos,ypos,zpos,0,"ONLY");
2240   for (ilayer = 0; ilayer < kNlayer-1; ilayer++) {
2241     xpos       = 0.0;
2242     ypos       = fClength[ilayer][2]/2.0
2243                + fClength[ilayer][1]
2244                + fClength[ilayer][0];
2245     zpos       = 9.0 - fgkSheight/2.0
2246                + ilayer * (fgkCH + fgkVspace);
2247     parTube[0] = 0.0;
2248     parTube[1] = 1.5/2.0;
2249     parTube[2] = fCwidth[ilayer]/2.0 - 2.5;
2250     gMC->Gsposp("UTG3",ilayer+1          ,"UTI1", xpos, ypos, zpos
2251                       ,matrix[2],"ONLY",parTube,kNparTube);
2252     gMC->Gsposp("UTG3",ilayer+1+1*kNlayer,"UTI1", xpos,-ypos, zpos
2253                       ,matrix[2],"ONLY",parTube,kNparTube);
2254     gMC->Gsposp("UTG3",ilayer+1+2*kNlayer,"UTI2", xpos, ypos, zpos
2255                       ,matrix[2],"ONLY",parTube,kNparTube);
2256     gMC->Gsposp("UTG3",ilayer+1+3*kNlayer,"UTI2", xpos,-ypos, zpos
2257                       ,matrix[2],"ONLY",parTube,kNparTube);
2258     gMC->Gsposp("UTG3",ilayer+1+4*kNlayer,"UTI3", xpos, ypos, zpos
2259                       ,matrix[2],"ONLY",parTube,kNparTube);
2260     gMC->Gsposp("UTG3",ilayer+1+5*kNlayer,"UTI3", xpos,-ypos, zpos
2261                       ,matrix[2],"ONLY",parTube,kNparTube);
2262   }
2263
2264   // Gas distribution box
2265   parBox[0] = 14.50/2.0;
2266   parBox[1] =  4.52/2.0;
2267   parBox[2] =  5.00/2.0;
2268   gMC->Gsvolu("UTGD","BOX ",idtmed[1308-1],parBox,kNparBox);
2269   parBox[0] = 14.50/2.0;
2270   parBox[1] =  4.00/2.0;
2271   parBox[2] =  4.40/2.0;
2272   gMC->Gsvolu("UTGI","BOX ",idtmed[1309-1],parBox,kNparBox);
2273   parTube[0] = 0.0;
2274   parTube[1] = 4.0/2.0;
2275   parTube[2] = 8.0/2.0;
2276   gMC->Gsvolu("UTGT","TUBE",idtmed[1308-1],parTube,kNparTube);
2277   parTube[0] = 0.0;
2278   parTube[1] = 3.4/2.0;
2279   parTube[2] = 8.0/2.0;
2280   gMC->Gsvolu("UTGG","TUBE",idtmed[1309-1],parTube,kNparTube);
2281   xpos = 0.0;
2282   ypos = 0.0;
2283   zpos = 0.0;
2284   gMC->Gspos("UTGI",1,"UTGD",xpos,ypos,zpos,        0,"ONLY");
2285   gMC->Gspos("UTGG",1,"UTGT",xpos,ypos,zpos,        0,"ONLY");
2286   xpos = 0.0;
2287   ypos = 0.0;
2288   zpos = 0.0;
2289   gMC->Gspos("UTGD",1,"UTF1",xpos,ypos,zpos,        0,"ONLY");
2290   xpos =  -3.0;
2291   ypos =   0.0;
2292   zpos =   6.5;
2293   gMC->Gspos("UTGT",1,"UTF1",xpos,ypos,zpos,        0,"ONLY");
2294   xpos = -11.25;
2295   ypos =   0.0;
2296   zpos =   0.5;
2297   gMC->Gspos("UTGT",3,"UTF1",xpos,ypos,zpos,matrix[2],"ONLY");
2298   xpos =  11.25;
2299   ypos =   0.0;
2300   zpos =   0.5;
2301   gMC->Gspos("UTGT",5,"UTF1",xpos,ypos,zpos,matrix[2],"ONLY");
2302
2303   // Cooling manifolds
2304   parBox[0]  =  5.0/2.0;
2305   parBox[1]  = 23.0/2.0;
2306   parBox[2]  = 70.0/2.0;
2307   gMC->Gsvolu("UTCM","BOX ",idtmed[1302-1],parBox,kNparBox);
2308   parBox[0]  =  5.0/2.0;
2309   parBox[1]  =  5.0/2.0;
2310   parBox[2]  = 70.0/2.0;
2311   gMC->Gsvolu("UTCA","BOX ",idtmed[1308-1],parBox,kNparBox);
2312   parBox[0]  =  5.0/2.0 - 0.3;
2313   parBox[1]  =  5.0/2.0 - 0.3;
2314   parBox[2]  = 70.0/2.0 - 0.3;
2315   gMC->Gsvolu("UTCW","BOX ",idtmed[1314-1],parBox,kNparBox);
2316   xpos       =  0.0;
2317   ypos       =  0.0;
2318   zpos       =  0.0;
2319   gMC->Gspos("UTCW",1,"UTCA", xpos, ypos, zpos,        0,"ONLY");
2320   xpos       =  0.0;
2321   ypos       =  5.0/2.0 - 23.0/2.0;
2322   zpos       =  0.0;
2323   gMC->Gspos("UTCA",1,"UTCM", xpos, ypos, zpos,        0,"ONLY");
2324   parTube[0] =  0.0;
2325   parTube[1] =  3.0/2.0;
2326   parTube[2] = 18.0/2.0;
2327   gMC->Gsvolu("UTCO","TUBE",idtmed[1308-1],parTube,kNparTube);
2328   parTube[0] =  0.0;
2329   parTube[1] =  3.0/2.0 - 0.3;
2330   parTube[2] = 18.0/2.0;
2331   gMC->Gsvolu("UTCL","TUBE",idtmed[1314-1],parTube,kNparTube);
2332   xpos       =  0.0;
2333   ypos       =  0.0;
2334   zpos       =  0.0;
2335   gMC->Gspos("UTCL",1,"UTCO", xpos, ypos, zpos,        0,"ONLY");
2336   xpos       =  0.0;
2337   ypos       =  2.5;
2338   zpos       = -70.0/2.0 + 7.0;
2339   gMC->Gspos("UTCO",1,"UTCM", xpos, ypos, zpos,matrix[4],"ONLY");
2340   zpos      +=  7.0;
2341   gMC->Gspos("UTCO",2,"UTCM", xpos, ypos, zpos,matrix[4],"ONLY");
2342   zpos      +=  7.0;
2343   gMC->Gspos("UTCO",3,"UTCM", xpos, ypos, zpos,matrix[4],"ONLY");
2344   zpos      +=  7.0;
2345   gMC->Gspos("UTCO",4,"UTCM", xpos, ypos, zpos,matrix[4],"ONLY");
2346   zpos      +=  7.0;
2347   gMC->Gspos("UTCO",5,"UTCM", xpos, ypos, zpos,matrix[4],"ONLY");
2348   zpos      +=  7.0;
2349   gMC->Gspos("UTCO",6,"UTCM", xpos, ypos, zpos,matrix[4],"ONLY");
2350   zpos      +=  7.0;
2351   gMC->Gspos("UTCO",7,"UTCM", xpos, ypos, zpos,matrix[4],"ONLY");
2352   zpos      +=  7.0;
2353   gMC->Gspos("UTCO",8,"UTCM", xpos, ypos, zpos,matrix[4],"ONLY");
2354
2355   xpos = 40.0;
2356   ypos =  fgkFlength/2.0 - 23.0/2.0;
2357   zpos =  0.0;
2358   gMC->Gspos("UTCM",1,"UTF1", xpos, ypos, zpos,matrix[0],"ONLY");
2359   gMC->Gspos("UTCM",2,"UTF1",-xpos, ypos, zpos,matrix[1],"ONLY");
2360   gMC->Gspos("UTCM",3,"UTF2", xpos,-ypos, zpos,matrix[5],"ONLY");
2361   gMC->Gspos("UTCM",4,"UTF2",-xpos,-ypos, zpos,matrix[6],"ONLY");
2362
2363   // Power connection boards (Cu)
2364   parBox[0] =  0.5/2.0;
2365   parBox[1] = 15.0/2.0;
2366   parBox[2] =  7.0/2.0;
2367   gMC->Gsvolu("UTPC","BOX ",idtmed[1325-1],parBox,kNparBox);
2368   for (ilayer = 0; ilayer < kNlayer-1; ilayer++) {
2369     xpos      = fCwidth[ilayer]/2.0 + kPWRwid/2.0;
2370     ypos      = 0.0;
2371     zpos      = fgkVrocsm + fgkSMpltT + kPWRhgt/2.0 - fgkSheight/2.0 + kPWRposz
2372               + (ilayer+1) * (fgkCH + fgkVspace);
2373     gMC->Gspos("UTPC",ilayer        ,"UTF1", xpos,ypos,zpos,matrix[0],"ONLY");
2374     gMC->Gspos("UTPC",ilayer+kNlayer,"UTF1",-xpos,ypos,zpos,matrix[1],"ONLY");
2375   }
2376   xpos      = fCwidth[5]/2.0 + kPWRhgt/2.0 - 2.0;
2377   ypos      = 0.0;
2378   zpos      = fgkSheight/2.0 - fgkSMpltT - 2.0;
2379   gMC->Gspos("UTPC",5        ,"UTF1", xpos,ypos,zpos,matrix[3],"ONLY");
2380   gMC->Gspos("UTPC",5+kNlayer,"UTF1",-xpos,ypos,zpos,matrix[3],"ONLY");
2381
2382   // Power connection panel (Al)
2383   parBox[0] = 60.0/2.0;
2384   parBox[1] = 10.0/2.0;
2385   parBox[2] =  3.0/2.0;
2386   gMC->Gsvolu("UTPP","BOX ",idtmed[1301-1],parBox,kNparBox);
2387   xpos      =  0.0;
2388   ypos      =  0.0;
2389   zpos      = 18.0;
2390   gMC->Gspos("UTPP",1,"UTF1", xpos,ypos,zpos,0,"ONLY");
2391
2392   //
2393   // Electronics boxes
2394   //
2395
2396   // Casing (INOX)
2397   parBox[0] = 60.0/2.0;
2398   parBox[1] = 10.0/2.0;
2399   parBox[2] =  6.0/2.0;
2400   gMC->Gsvolu("UTE1","BOX ",idtmed[1308-1],parBox,kNparBox);
2401   // Interior (air)
2402   parBox[0] = parBox[0] - 0.5;
2403   parBox[1] = parBox[1] - 0.5;
2404   parBox[2] = parBox[2] - 0.5;
2405   gMC->Gsvolu("UTE2","BOX ",idtmed[1302-1],parBox,kNparBox);
2406   xpos      = 0.0;
2407   ypos      = 0.0;
2408   zpos      = 0.0;
2409   gMC->Gspos("UTE2",1,"UTE1",xpos,ypos,zpos,0,"ONLY");
2410   xpos      = 0.0;
2411   ypos      =  fgkSlength/2.0 - 10.0/2.0 - 3.0;
2412   zpos      = -fgkSheight/2.0 +  6.0/2.0 + 1.0;
2413   gMC->Gspos("UTE1",1,"UTI1", xpos,ypos,zpos,0,"ONLY");
2414   gMC->Gspos("UTE1",2,"UTI2", xpos,ypos,zpos,0,"ONLY");
2415   gMC->Gspos("UTE1",3,"UTI3", xpos,ypos,zpos,0,"ONLY");
2416
2417   // Casing (INOX)
2418   parBox[0] = 50.0/2.0;
2419   parBox[1] = 15.0/2.0;
2420   parBox[2] = 20.0/2.0;
2421   gMC->Gsvolu("UTE3","BOX ",idtmed[1308-1],parBox,kNparBox);
2422   // Interior (air)
2423   parBox[0] = parBox[0] - 0.5;
2424   parBox[1] = parBox[1] - 0.5;
2425   parBox[2] = parBox[2] - 0.5;
2426   gMC->Gsvolu("UTE4","BOX ",idtmed[1302-1],parBox,kNparBox);
2427   xpos      = 0.0;
2428   ypos      = 0.0;
2429   zpos      = 0.0;
2430   gMC->Gspos("UTE4",1,"UTE3",xpos,ypos,zpos,0,"ONLY");
2431   xpos      = 0.0;
2432   ypos      = -fgkSlength/2.0 + 15.0/2.0 + 3.0;
2433   zpos      = -fgkSheight/2.0 + 20.0/2.0 + 1.0;
2434   gMC->Gspos("UTE3",1,"UTI1", xpos,ypos,zpos,0,"ONLY");
2435   gMC->Gspos("UTE3",2,"UTI2", xpos,ypos,zpos,0,"ONLY");
2436   gMC->Gspos("UTE3",3,"UTI3", xpos,ypos,zpos,0,"ONLY");
2437
2438   // Casing (INOX)
2439   parBox[0] = 20.0/2.0;
2440   parBox[1] =  7.0/2.0;
2441   parBox[2] = 20.0/2.0;
2442   gMC->Gsvolu("UTE5","BOX ",idtmed[1308-1],parBox,kNparBox);
2443   // Interior (air)
2444   parBox[0] = parBox[0] - 0.5;
2445   parBox[1] = parBox[1] - 0.5;
2446   parBox[2] = parBox[2] - 0.5;
2447   gMC->Gsvolu("UTE6","BOX ",idtmed[1302-1],parBox,kNparBox);
2448   xpos      = 0.0;
2449   ypos      = 0.0;
2450   zpos      = 0.0;
2451   gMC->Gspos("UTE6",1,"UTE5",xpos,ypos,zpos,0,"ONLY");
2452   xpos      = 20.0;
2453   ypos      = -fgkSlength/2.0 +  7.0/2.0 + 3.0;
2454   zpos      = 0.0;
2455   gMC->Gspos("UTE5",1,"UTI1", xpos,ypos,zpos,0,"ONLY");
2456   gMC->Gspos("UTE5",2,"UTI2", xpos,ypos,zpos,0,"ONLY");
2457   gMC->Gspos("UTE5",3,"UTI3", xpos,ypos,zpos,0,"ONLY");
2458   xpos      = -xpos;
2459   gMC->Gspos("UTE5",4,"UTI1", xpos,ypos,zpos,0,"ONLY");
2460   gMC->Gspos("UTE5",5,"UTI2", xpos,ypos,zpos,0,"ONLY");
2461   gMC->Gspos("UTE5",6,"UTI3", xpos,ypos,zpos,0,"ONLY");
2462
2463 }
2464
2465 //_____________________________________________________________________________
2466 void AliTRDgeometry::GroupChamber(Int_t ilayer, Int_t istack, Int_t *idtmed)
2467 {
2468   //
2469   // Group volumes UA, UD, UF, UU in a single chamber (Air)
2470   // UA, UD, UF, UU are boxes
2471   // UT will be a box
2472   //
2473
2474   const Int_t kNparCha = 3;
2475
2476   Int_t iDet = GetDetectorSec(ilayer,istack);
2477
2478   Float_t xyzMin[3];
2479   Float_t xyzMax[3];
2480   Float_t xyzOrig[3];
2481   Float_t xyzBoxd[3];
2482
2483   Char_t  cTagV[5];
2484   Char_t  cTagM[5];
2485
2486   for (Int_t i = 0; i < 3; i++) {
2487     xyzMin[i] = +9999.0;
2488     xyzMax[i] = -9999.0;
2489   }
2490
2491   for (Int_t i = 0; i < 3; i++) {
2492
2493     xyzMin[i] = TMath::Min(xyzMin[i],fChamberUAorig[iDet][i]-fChamberUAboxd[iDet][i]);
2494     xyzMax[i] = TMath::Max(xyzMax[i],fChamberUAorig[iDet][i]+fChamberUAboxd[iDet][i]);
2495
2496     xyzMin[i] = TMath::Min(xyzMin[i],fChamberUDorig[iDet][i]-fChamberUDboxd[iDet][i]);
2497     xyzMax[i] = TMath::Max(xyzMax[i],fChamberUDorig[iDet][i]+fChamberUDboxd[iDet][i]);
2498
2499     xyzMin[i] = TMath::Min(xyzMin[i],fChamberUForig[iDet][i]-fChamberUFboxd[iDet][i]);
2500     xyzMax[i] = TMath::Max(xyzMax[i],fChamberUForig[iDet][i]+fChamberUFboxd[iDet][i]);
2501
2502     xyzMin[i] = TMath::Min(xyzMin[i],fChamberUUorig[iDet][i]-fChamberUUboxd[iDet][i]);
2503     xyzMax[i] = TMath::Max(xyzMax[i],fChamberUUorig[iDet][i]+fChamberUUboxd[iDet][i]);
2504
2505     xyzOrig[i] = 0.5*(xyzMax[i]+xyzMin[i]);
2506     xyzBoxd[i] = 0.5*(xyzMax[i]-xyzMin[i]);
2507
2508   }
2509
2510   sprintf(cTagM,"UT%02d",iDet);
2511   gMC->Gsvolu(cTagM,"BOX ",idtmed[1302-1],xyzBoxd,kNparCha);
2512
2513   sprintf(cTagV,"UA%02d",iDet);
2514   gMC->Gspos(cTagV,1,cTagM
2515             ,fChamberUAorig[iDet][0]-xyzOrig[0]
2516             ,fChamberUAorig[iDet][1]-xyzOrig[1]
2517             ,fChamberUAorig[iDet][2]-xyzOrig[2]
2518             ,0,"ONLY");
2519
2520   sprintf(cTagV,"UZ%02d",iDet);
2521   gMC->Gspos(cTagV,1,cTagM
2522             ,fChamberUAorig[iDet][0]-xyzOrig[0] + fChamberUAboxd[iDet][0] - fgkCroW/2.0
2523             ,fChamberUAorig[iDet][1]-xyzOrig[1]
2524             ,fChamberUAorig[iDet][2]-xyzOrig[2] + fgkCraH/2.0 + fgkCdrH/2.0 - fgkCalW/2.0
2525             ,0,"ONLY");
2526   gMC->Gspos(cTagV,2,cTagM
2527             ,fChamberUAorig[iDet][0]-xyzOrig[0] - fChamberUAboxd[iDet][0] + fgkCroW/2.0
2528             ,fChamberUAorig[iDet][1]-xyzOrig[1]
2529             ,fChamberUAorig[iDet][2]-xyzOrig[2] + fgkCraH/2.0 + fgkCdrH/2.0 - fgkCalW/2.0
2530             ,0,"ONLY");
2531
2532   sprintf(cTagV,"UD%02d",iDet);
2533   gMC->Gspos(cTagV,1,cTagM
2534             ,fChamberUDorig[iDet][0]-xyzOrig[0]
2535             ,fChamberUDorig[iDet][1]-xyzOrig[1]
2536             ,fChamberUDorig[iDet][2]-xyzOrig[2]
2537             ,0,"ONLY");
2538
2539   sprintf(cTagV,"UF%02d",iDet);
2540   gMC->Gspos(cTagV,1,cTagM
2541             ,fChamberUForig[iDet][0]-xyzOrig[0]
2542             ,fChamberUForig[iDet][1]-xyzOrig[1]
2543             ,fChamberUForig[iDet][2]-xyzOrig[2]
2544             ,0,"ONLY");
2545
2546   sprintf(cTagV,"UU%02d",iDet);
2547   gMC->Gspos(cTagV,1,cTagM
2548             ,fChamberUUorig[iDet][0]-xyzOrig[0]
2549             ,fChamberUUorig[iDet][1]-xyzOrig[1]
2550             ,fChamberUUorig[iDet][2]-xyzOrig[2]
2551             ,0,"ONLY");
2552
2553   sprintf(cTagV,"UT%02d",iDet);
2554   gMC->Gspos(cTagV,1,"UTI1"
2555             ,xyzOrig[0]
2556             ,xyzOrig[1]
2557             ,xyzOrig[2]
2558             ,0,"ONLY");
2559   gMC->Gspos(cTagV,1,"UTI2"
2560             ,xyzOrig[0]
2561             ,xyzOrig[1]
2562             ,xyzOrig[2]
2563             ,0,"ONLY");
2564   if (istack != 2) {
2565     // W/o middle stack
2566     gMC->Gspos(cTagV,1,"UTI3"
2567               ,xyzOrig[0]
2568               ,xyzOrig[1]
2569               ,xyzOrig[2]
2570               ,0,"ONLY");
2571   }
2572
2573 }
2574
2575 //_____________________________________________________________________________
2576 Bool_t AliTRDgeometry::RotateBack(Int_t det, Double_t *loc, Double_t *glb) const
2577 {
2578   //
2579   // Rotates a chambers to transform the corresponding local frame
2580   // coordinates <loc> into the coordinates of the ALICE restframe <glb>.
2581   //
2582
2583   Int_t sector = GetSector(det);
2584
2585   glb[0] = loc[0] * fRotB11[sector] - loc[1] * fRotB12[sector];
2586   glb[1] = loc[0] * fRotB21[sector] + loc[1] * fRotB22[sector];
2587   glb[2] = loc[2];
2588
2589   return kTRUE;
2590
2591 }
2592
2593 //_____________________________________________________________________________
2594 Int_t AliTRDgeometry::GetDetectorSec(Int_t layer, Int_t stack)
2595 {
2596   //
2597   // Convert plane / stack into detector number for one single sector
2598   //
2599
2600   return (layer + stack * fgkNlayer);
2601
2602 }
2603
2604 //_____________________________________________________________________________
2605 Int_t AliTRDgeometry::GetDetector(Int_t layer, Int_t stack, Int_t sector)
2606 {
2607   //
2608   // Convert layer / stack / sector into detector number
2609   //
2610
2611   return (layer + stack * fgkNlayer + sector * fgkNlayer * fgkNstack);
2612
2613 }
2614
2615 //_____________________________________________________________________________
2616 Int_t AliTRDgeometry::GetLayer(Int_t det)
2617 {
2618   //
2619   // Reconstruct the layer number from the detector number
2620   //
2621
2622   return ((Int_t) (det % fgkNlayer));
2623
2624 }
2625
2626 //_____________________________________________________________________________
2627 Int_t AliTRDgeometry::GetStack(Int_t det) const
2628 {
2629   //
2630   // Reconstruct the stack number from the detector number
2631   //
2632
2633   return ((Int_t) (det % (fgkNlayer * fgkNstack)) / fgkNlayer);
2634
2635 }
2636
2637 //_____________________________________________________________________________
2638 Int_t AliTRDgeometry::GetStack(Double_t z, Int_t layer)
2639 {
2640   //
2641   // Reconstruct the chamber number from the z position and layer number
2642   //
2643   // The return function has to be protected for positiveness !!
2644   //
2645
2646   if ((layer <          0) ||
2647       (layer >= fgkNlayer)) return -1;
2648
2649   Int_t    istck = fgkNstack;
2650   Double_t zmin;
2651   Double_t zmax;
2652
2653   do {
2654     istck--;
2655     if (istck < 0) break;
2656     AliTRDpadPlane *pp = GetPadPlane(layer,istck);
2657     zmax  = pp->GetRow0();
2658     Int_t nrows = pp->GetNrows();
2659     zmin = zmax -         2 * pp->GetLengthOPad()
2660                 - (nrows-2) * pp->GetLengthIPad()
2661                 - (nrows-1) * pp->GetRowSpacing();
2662   } while((z < zmin) || (z > zmax));
2663
2664   return istck;
2665
2666 }
2667
2668 //_____________________________________________________________________________
2669 Int_t AliTRDgeometry::GetSector(Int_t det) const
2670 {
2671   //
2672   // Reconstruct the sector number from the detector number
2673   //
2674
2675   return ((Int_t) (det / (fgkNlayer * fgkNstack)));
2676
2677 }
2678
2679 //_____________________________________________________________________________
2680 AliTRDpadPlane *AliTRDgeometry::GetPadPlane(Int_t layer, Int_t stack)
2681 {
2682   //
2683   // Returns the pad plane for a given plane <pl> and stack <st> number
2684   //
2685
2686   if (!fPadPlaneArray) {
2687     CreatePadPlaneArray();
2688   }
2689
2690   Int_t ipp = GetDetectorSec(layer,stack);
2691   return ((AliTRDpadPlane *) fPadPlaneArray->At(ipp));
2692
2693 }
2694
2695 //_____________________________________________________________________________
2696 Int_t AliTRDgeometry::GetRowMax(Int_t layer, Int_t stack, Int_t /*sector*/)
2697 {
2698   //
2699   // Returns the number of rows on the pad plane
2700   //
2701
2702   return GetPadPlane(layer,stack)->GetNrows();
2703
2704 }
2705
2706 //_____________________________________________________________________________
2707 Int_t AliTRDgeometry::GetColMax(Int_t layer)
2708 {
2709   //
2710   // Returns the number of rows on the pad plane
2711   //
2712
2713   return GetPadPlane(layer,0)->GetNcols();
2714
2715 }
2716
2717 //_____________________________________________________________________________
2718 Double_t AliTRDgeometry::GetRow0(Int_t layer, Int_t stack, Int_t /*sector*/)
2719 {
2720   //
2721   // Returns the position of the border of the first pad in a row
2722   //
2723
2724   return GetPadPlane(layer,stack)->GetRow0();
2725
2726 }
2727
2728 //_____________________________________________________________________________
2729 Double_t AliTRDgeometry::GetCol0(Int_t layer)
2730 {
2731   //
2732   // Returns the position of the border of the first pad in a column
2733   //
2734
2735   return GetPadPlane(layer,0)->GetCol0();
2736
2737 }
2738
2739 //_____________________________________________________________________________
2740 Bool_t AliTRDgeometry::CreateClusterMatrixArray()
2741 {
2742   //
2743   // Create the matrices to transform cluster coordinates from the
2744   // local chamber system to the tracking coordinate system
2745   //
2746
2747   if (!gGeoManager) {
2748     return kFALSE;
2749   }
2750
2751   fClusterMatrixArray = new TObjArray(kNdet);
2752   AliAlignObjParams o;
2753
2754   for (Int_t iLayer = AliGeomManager::kTRD1; iLayer <= AliGeomManager::kTRD6; iLayer++) {
2755     for (Int_t iModule = 0; iModule < AliGeomManager::LayerSize(iLayer); iModule++) {
2756
2757       Int_t        isector   = iModule/Nstack();
2758       Int_t        istack    = iModule%Nstack();
2759       Int_t        iLayerTRD = iLayer - AliGeomManager::kTRD1;
2760       Int_t        lid       = GetDetector(iLayerTRD,istack,isector);
2761
2762       // Taking holes into account
2763       if (((isector == 13) || (isector == 14) || (isector == 15)) &&
2764           (istack == 2)) continue;
2765
2766       UShort_t     volid   = AliGeomManager::LayerToVolUID(iLayer,iModule);
2767       const char  *symname = AliGeomManager::SymName(volid);
2768       TGeoPNEntry *pne     = gGeoManager->GetAlignableEntry(symname);
2769       const char  *path    = symname;
2770       if (pne) {
2771         path = pne->GetTitle();
2772       }
2773       else {
2774         continue;
2775       }
2776       if (!strstr(path,"ALIC")) {
2777         AliDebug(1,Form("Not a valid path: %s\n",path));
2778         continue;
2779       }
2780       if (!gGeoManager->cd(path)) {
2781         AliError(Form("Cannot go to path: %s\n",path));
2782         continue;
2783       }
2784       TGeoHMatrix *m         = gGeoManager->GetCurrentMatrix();
2785
2786       TGeoRotation mchange;
2787       mchange.RotateY(90);
2788       mchange.RotateX(90);
2789
2790       //
2791       // Cluster transformation matrix
2792       //
2793       TGeoHMatrix  rotMatrix(mchange.Inverse());
2794       rotMatrix.MultiplyLeft(m);
2795       Double_t sectorAngle = 20.0 * (isector % 18) + 10.0;
2796       TGeoHMatrix  rotSector;
2797       rotSector.RotateZ(sectorAngle);
2798       rotMatrix.MultiplyLeft(&rotSector.Inverse());
2799
2800       fClusterMatrixArray->AddAt(new TGeoHMatrix(rotMatrix),lid);
2801
2802     }
2803   }
2804
2805   return kTRUE;
2806
2807 }
2808
2809 //_____________________________________________________________________________
2810 Bool_t AliTRDgeometry::ChamberInGeometry(Int_t det)
2811 {
2812   //
2813   // Checks whether the given detector is part of the current geometry
2814   //
2815
2816   if (!fClusterMatrixArray) {
2817     CreateClusterMatrixArray();
2818   }
2819
2820   if (!GetClusterMatrix(det)) {
2821     return kFALSE;
2822   }
2823   else {
2824     return kTRUE;
2825   }
2826
2827 }