TPC/AliTPCv0.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 /*
  17 $Log$
  18 Revision 1.26  2001/05/08 16:03:06  kowal2
  19 Geometry update according to the latest technical spec.
  20
  21 Revision 1.25  2001/04/27 15:23:06  kowal2
  22 Correct materian in the central part of the inner containment vessel
  23
  24 Revision 1.24  2001/04/26 06:15:11  kowal2
  25 Corrected bug in the inner containment vessel (cones)
  26
  27 Revision 1.23  2001/04/24 11:17:33  kowal2
  28 New TPC geometry.
  29
  30 Revision 1.22  2001/03/13 13:07:33  kowal2
  31 Corrected bug in the TPC mother volume geometry.
  32 Thanks to A. Morsch
  33
  34 Revision 1.21  2000/11/14 10:48:57  kowal2
  35 Correct material used for TSA4. Thanks to J. Barbosa.
  36
  37 Revision 1.20  2000/11/06 17:24:10  kowal2
  38 Corrected bug in the outer containment vessel and
  39 the outer field cage geometry.
  40 Thanks to J. Barbosa.
  41
  42 Revision 1.19  2000/11/02 16:55:24  kowal2
  43 Corrected bug in the inner containment vessel geometry.
  44 Thanks to J. Belikov
  45
  46 Revision 1.18  2000/11/02 07:24:11  kowal2
  47 Correction in the TPC geometry.
  48 Changes due to the new hit structure.
  49
  50 Revision 1.17  2000/07/10 20:57:39  hristov
  51 Update of TPC code and macros by M.Kowalski
  52
  53 Revision 1.16  2000/06/30 12:07:50  kowal2
  54 Updated from the TPC-PreRelease branch
  55
  56 Revision 1.15.2.4  2000/06/26 07:39:42  kowal2
  57 Changes to obey the coding rules
  58
  59 Revision 1.15.2.3  2000/06/25 08:38:41  kowal2
  60 Splitted from AliTPCtracking
  61
  62 Revision 1.15.2.2  2000/06/16 12:58:13  kowal2
  63 Changed parameter settings
  64
  65 Revision 1.15.2.1  2000/06/09 07:15:07  kowal2
  66
  67 Defaults loaded automatically (hard-wired)
  68 Optional parameters can be set via macro called in the constructor
  69
  70 Revision 1.15  2000/05/15 10:00:30  kowal2
  71 Corrected bug in the TPC geometry, thanks to Ivana Hrivnacova
  72
  73 Revision 1.14  2000/04/17 09:37:33  kowal2
  74 removed obsolete AliTPCDigitsDisplay.C
  75
  76 Revision 1.13.8.2  2000/04/10 08:33:44  kowal2
  77
  78 Updated readout chambers
  79
  80 Revision 1.13.8.1  2000/04/10 07:56:53  kowal2
  81 Not used anymore - removed
  82
  83 Revision 1.13  1999/11/04 17:28:06  fca
  84 Correct barrel part of HV Degrader
  85
  86 Revision 1.12  1999/10/08 06:27:23  fca
  87 Corrected bug in the HV degrader geometry, thanks to G.Tabary
  88
  89 Revision 1.11  1999/10/04 13:39:54  fca
  90 Correct array index problem
  91
  92 Revision 1.10  1999/09/29 09:24:34  fca
  93 Introduction of the Copyright and cvs Log
  94
  95 */
  96 //
  97
  98 ///////////////////////////////////////////////////////////////////////////////
  99 //                                                                           //
 100 //  Time Projection Chamber version 0 -- "coarse" TPC                        //
 101 //                                                                           //
 102 //Begin_Html
 103 /*
 104 <img src="picts/AliTPCv0Class.gif">
 105 */
 106 //End_Html
 107 //                                                                           //
 108 //                                                                           //
 109 ///////////////////////////////////////////////////////////////////////////////
 110
 111 #include <TMath.h>
 112 #include <TGeometry.h>
 113 #include <TNode.h>
 114 #include <TTUBE.h>
 115 #include "AliTPCv0.h"
 116 #include "AliRun.h"
 117 #include <iostream.h>
 118 #include <fstream.h>
 119 #include "AliMC.h"
 120 #include "AliConst.h"
 121
 122 #include "AliTPCParamSR.h"
 123 #include "AliTPCDigitsArray.h"
 124
 125 ClassImp(AliTPCv0)
 126
 127 //_____________________________________________________________________________
 128 AliTPCv0::AliTPCv0(const char *name, const char *title)
 129          :AliTPC(name, title)
 130 {
 131   //
 132   // Standard creator for TPC version 0
 133   //
 134
 135   SetGasMixt(2,20,10,-1,0.9,0.1,0.);
 136
 137   if (fTPCParam)
 138      fTPCParam->Write(fTPCParam->GetTitle());
 139 }
 140
 141 //_____________________________________________________________________________
 142 void AliTPCv0::CreateGeometry()
 143 {
 144
 145   //
 146   // Creation of the TPC version 0, i.e. no sensitive volumes,
 147   // only the material distribution
 148   //
 149   //Begin_Html
 150   /*
 151     <img src="picts/AliTPC.gif">
 152   */
 153   //End_Html
 154   //Begin_Html
 155   /*
 156     <img src="picts/AliTPCv0Tree.gif">
 157   */
 158   //End_Html
 159
 160   //---------------------------------------------------------------
 161   //  TPC geometry
 162   //
 163   //  Origin: Marek Kowalski, INP Cracow
 164   //  Marek.Kowalski@ifj.edu.pl
 165   //---------------------------------------------------------------
 166   Float_t dm[50];
 167
 168   Int_t *idtmed = fIdtmed->GetArray(); // TPC media
 169
 170   Int_t idrotm[120]; // rotation matrices
 171
 172   Int_t nRotMat = 0; // actual number of rotation matrices
 173
 174
 175   //
 176   //  Mother volume TPC (Air) - all volumes will be positioned in it
 177   //
 178
 179   dm[0]=0.;
 180   dm[1]=360.;
 181   dm[2]=8.;
 182
 183   //
 184
 185   dm[3]=-283.7;
 186   dm[4]=65.6;
 187   dm[5]=278.;
 188
 189   //
 190
 191   dm[6]=-253.6;
 192   dm[7]=65.6;
 193   dm[8]=278.;
 194
 195   //
 196
 197   dm[9]=-73.3;
 198   dm[10]=60.9;
 199   dm[11]=278.;
 200
 201   //
 202
 203   dm[12]=-73.3;
 204   dm[13]=56.9;
 205   dm[14]=278.;
 206
 207   //
 208
 209   dm[15]=73.3;
 210   dm[16]=56.9;
 211   dm[17]=278.;
 212
 213   //
 214
 215   dm[18]=73.3;
 216   dm[19]=60.9;
 217   dm[20]=278.;
 218
 219   //
 220
 221   dm[21]=253.6;
 222   dm[22]=65.6;
 223   dm[23]=278.;
 224
 225   //
 226
 227   dm[24]=283.7;
 228   dm[25]=65.6;
 229   dm[26]=278.;
 230
 231   gMC->Gsvolu("TPC ","PCON",idtmed[0],dm,27);
 232
 233   // outer part
 234
 235   //-------------------------------------------------------------------
 236   //   Tpc Outer INsulator (CO2) - contains cont. vessel and field cage
 237   //-------------------------------------------------------------------
 238
 239   dm[0]= 0.;
 240   dm[1]= 360.;
 241   dm[2]= 6.;
 242
 243   //
 244
 245   dm[3]=-253.6;
 246   dm[4]=258.;
 247   dm[5]=275.5;
 248
 249   //
 250
 251   dm[6]=-250.6;
 252   dm[7]=258.;
 253   dm[8]=275.5;
 254
 255   //
 256
 257   dm[9]=-250.6;
 258   dm[10]=258.;
 259   dm[11]=278.;
 260
 261   //
 262
 263   dm[12]=253.6;
 264   dm[13]=258.;
 265   dm[14]=278.;
 266
 267   //
 268
 269   dm[15]=253.6;
 270   dm[16]=264.8;
 271   dm[17]=278.;
 272
 273   //
 274
 275   dm[18]=256.6;
 276   dm[19]=264.8;
 277   dm[20]=278.;
 278
 279   gMC->Gsvolu("TOIN","PCON",idtmed[3],dm,21);
 280
 281   //----------------------------------------------------------------
 282   // Tpc Outer Contaiment Vessel
 283   //  mother volume - Al, daughters - composite (sandwich)
 284   //----------------------------------------------------------------
 285
 286   dm[0]=0.;
 287   dm[1]=360.;
 288   dm[2]=6.;
 289
 290   //
 291
 292   dm[3]=-250.6;
 293   dm[4]=270.4;
 294   dm[5]=278.;
 295
 296   //
 297
 298   dm[6]=-247.6;
 299   dm[7]=270.4;
 300   dm[8]=278.;
 301
 302   //
 303
 304   dm[9]=-247.6;
 305   dm[10]=274.8124;
 306   dm[11]=278.;
 307
 308   //
 309
 310   dm[12]=253.6;
 311   dm[13]=274.8124;
 312   dm[14]=278.;
 313
 314   //
 315
 316   dm[15]=253.6;
 317   dm[16]=264.8;
 318   dm[17]=278.;
 319
 320   //
 321
 322   dm[18]=256.6;
 323   dm[19]=264.8;
 324   dm[20]=278.;
 325
 326   gMC->Gsvolu("TOCV","PCON",idtmed[4],dm,21);
 327
 328   // Daughter volumes - sandwich
 329
 330   // Tpc SAndwich 1 - Al
 331
 332   dm[0]=274.8124;
 333   dm[1]=278.;
 334   dm[2]=252.1;
 335
 336   gMC->Gsvolu("TSA1","TUBE",idtmed[4],dm,3);
 337
 338   // Tpc SAndwich 2 - epoxy glue (I use Lexan)
 339
 340   dm[0] += 5.e-3;
 341   dm[1] -= 5.e-3;
 342
 343   gMC->Gsvolu("TSA2","TUBE",idtmed[14],dm,3);
 344
 345   // Tpc SAndwich 3 - Tedlar
 346
 347   dm[0] += 0.01;
 348   dm[1] -= 0.01;
 349
 350   gMC->Gsvolu("TSA3","TUBE",idtmed[9],dm,3);
 351
 352
 353   // Tpc SAndwich 4 - fiber glass (G10)
 354
 355   dm[0] += 3.8e-3;
 356   dm[1] -= 3.8e-3;
 357
 358   gMC->Gsvolu("TSA4","TUBE",idtmed[12],dm,3);
 359
 360   // Tpc SAndwich 5 - NOMEX honeycomb
 361
 362   dm[0] += 0.075;
 363   dm[1] -= 0.075;
 364
 365   gMC->Gsvolu("TSA5","TUBE",idtmed[6],dm,3);
 366
 367   // 5->4->3->2->1->TCOV
 368
 369
 370   gMC->Gspos("TSA5",1,"TSA4",0.,0.,0.,0,"ONLY");
 371   gMC->Gspos("TSA4",1,"TSA3",0.,0.,0.,0,"ONLY");
 372   gMC->Gspos("TSA3",1,"TSA2",0.,0.,0.,0,"ONLY");
 373   gMC->Gspos("TSA2",1,"TSA1",0.,0.,0.,0,"ONLY");
 374
 375   gMC->Gspos("TSA1",1,"TOCV",0.,0.,3.,0,"ONLY");
 376
 377   // TCOV-> TOIN
 378
 379   gMC->Gspos("TOCV",1,"TOIN",0.,0.,0.,0,"ONLY");
 380
 381   //-------------------------------------------------------
 382   //  Tpc Outer Field Cage
 383   //  mother volume - Al, daughters - composite (sandwich)
 384   //-------------------------------------------------------
 385
 386   dm[0]=0.;
 387   dm[1]=360.;
 388   dm[2]=6.;
 389
 390   //
 391
 392   dm[3]=-253.6;
 393   dm[4]=258.;
 394   dm[5]=275.5;
 395
 396   //
 397
 398   dm[6]=-250.6;
 399   dm[7]=258.;
 400   dm[8]=275.5;
 401
 402   //
 403
 404   dm[9]=-250.6;
 405   dm[10]=258.;
 406   dm[11]=260.0476;
 407
 408   //
 409
 410   dm[12]=250.6;
 411   dm[13]=258.;
 412   dm[14]=260.0476;
 413
 414   //
 415
 416   dm[15]=250.6;
 417   dm[16]=258.;
 418   dm[17]=275.5;
 419
 420   //
 421
 422   dm[18]=253.6;
 423   dm[19]=258.;
 424   dm[20]=275.5;
 425
 426   gMC->Gsvolu("TOFC","PCON",idtmed[4],dm,21);
 427
 428   // Daughter volumes
 429
 430   // Tpc SAndwich 6 - Tedlar
 431
 432   dm[0]= 258.;
 433   dm[1]= 260.0476;
 434   dm[2]= 252.1;
 435
 436   gMC->Gsvolu("TSA6","TUBE",idtmed[9],dm,3);
 437
 438   // Tpc SAndwich 7 - fiber glass
 439
 440   dm[0] += 3.8e-3;
 441   dm[1] -= 3.8e-3;
 442
 443   gMC->Gsvolu("TSA7","TUBE",idtmed[12],dm,3);
 444
 445
 446   // Tpc SAndwich 8 - NOMEX
 447
 448   dm[0] += 0.02;
 449   dm[1] -= 0.02;
 450
 451   gMC->Gsvolu("TSA8","TUBE",idtmed[6],dm,3);
 452
 453   // 8->7->6->TOFC
 454
 455   gMC->Gspos("TSA8",1,"TSA7",0.,0.,0.,0,"ONLY");
 456   gMC->Gspos("TSA7",1,"TSA6",0.,0.,0.,0,"ONLY");
 457   gMC->Gspos("TSA6",1,"TOFC",0.,0.,0.,0,"ONLY");
 458
 459   // TOFC->TOIN
 460
 461   gMC->Gspos("TOFC",1,"TOIN",0.,0.,0.,0,"ONLY");
 462
 463   // TOIN->TPC
 464
 465   gMC->Gspos("TOIN",1,"TPC ",0.,0.,0.,0,"ONLY");
 466
 467   // inner part
 468
 469   //--------------------------------------------------------------------
 470   // Tpc Inner INsulator (CO2) - inner f.c. will be placed there
 471   // Inner containment vessel will be placed directly in the TPC
 472   //--------------------------------------------------------------------
 473
 474   dm[0]=0.;
 475   dm[1]=360.;
 476   dm[2]=4.;
 477
 478   //
 479
 480   dm[3]=-253.6;
 481   dm[4]=65.9;
 482   dm[5]=79.2;
 483
 484   //
 485
 486   dm[6]=-73.3;
 487   dm[7]=61.2;
 488   dm[8]=79.2;
 489
 490   //
 491
 492   dm[9]=73.3;
 493   dm[10]=61.2;
 494   dm[11]=79.2;
 495
 496   //
 497
 498   dm[12]=253.6;
 499   dm[13]=65.9;
 500   dm[14]=79.2;
 501
 502   gMC->Gsvolu("TIIN","PCON",idtmed[3],dm,15);
 503
 504   // the middle part of the F.C. is thinner - carve out the strip - Ne-CO2
 505
 506   dm[0]=79.16;
 507   dm[1]=79.2;
 508   dm[2]=88.;
 509
 510   gMC->Gsvolu("TII1","TUBE",idtmed[1],dm,3);
 511
 512   gMC->Gspos("TII1",1,"TIIN",0.,0.,0.,0,"ONLY");
 513
 514   //-----------------------------------------------------
 515   // Tpc Inner Field Cage
 516   // mother volume - Al, daughters - composite (sandwich)
 517   //------------------------------------------------------
 518
 519   dm[0]=0.;
 520   dm[1]=360.;
 521   dm[2]=10.;
 522
 523   //
 524
 525   dm[3]=-253.6;
 526   dm[4]=70.3;
 527   dm[5]=79.2;
 528
 529   //
 530
 531   dm[6]=-250.6;
 532   dm[7]=70.3;
 533   dm[8]=79.2;
 534
 535   //
 536
 537   dm[9]=-250.6;
 538   dm[10]=77.0524;
 539   dm[11]=79.2;
 540
 541   //
 542
 543   dm[12]=-88.;
 544   dm[13]=77.0524;
 545   dm[14]=79.2;
 546
 547   //
 548
 549   dm[15]=-88.;
 550   dm[16]=77.0924;
 551   dm[17]=79.16;
 552
 553   //
 554
 555   dm[18]=88.;
 556   dm[19]=77.0924;
 557   dm[20]=79.16;
 558
 559   //
 560
 561   dm[21]=88.;
 562   dm[22]=77.0524;
 563   dm[23]=79.2;
 564
 565   //
 566
 567   dm[24]=250.6;
 568   dm[25]=77.0524;
 569   dm[26]=79.2;
 570
 571   //
 572
 573   dm[27]=250.6;
 574   dm[28]=70.3;
 575   dm[29]=79.2;
 576
 577   //
 578
 579   dm[30]=253.6;
 580   dm[31]=70.3;
 581   dm[32]=79.2;
 582
 583   gMC->Gsvolu("TIFC","PCON",idtmed[4],dm,33);
 584
 585   // daughter volumes - central part
 586
 587   // Tpc Sandwich 9 -Tedlar
 588
 589   dm[0]=77.0924;
 590   dm[1]=79.16;
 591   dm[2]=88.;
 592
 593   gMC->Gsvolu("TSA9","TUBE",idtmed[9],dm,3);
 594
 595   // Tpc Sandwich 10 - fiber glass (G10)
 596
 597   dm[0] += 3.8e-3;
 598   dm[1] -= 3.8e-3;
 599
 600   gMC->Gsvolu("TS10","TUBE",idtmed[12],dm,3);
 601
 602   // Tpc Sandwich 11 - NOMEX
 603
 604   dm[0] += 0.03;
 605   dm[1] -= 0.03;
 606
 607   gMC->Gsvolu("TS11","TUBE",idtmed[6],dm,3);
 608
 609   // 11->10->9->TIFC
 610
 611   gMC->Gspos("TS11",1,"TS10",0.,0.,0.,0,"ONLY");
 612   gMC->Gspos("TS10",1,"TSA9",0.,0.,0.,0,"ONLY");
 613
 614   gMC->Gspos("TSA9",1,"TIFC",0.,0.,0.,0,"ONLY");
 615
 616   // daughter volumes - outer parts (reinforced)
 617
 618   // Tpc Sandwich 12 -Tedlar
 619
 620   dm[0]=77.0524;
 621   dm[1]=79.2;
 622   dm[2]=82.05;
 623
 624   gMC->Gsvolu("TS12","TUBE",idtmed[9],dm,3);
 625
 626   // Tpc Sandwich 13 - fiber glass (G10)
 627
 628   dm[0] += 3.8e-3;
 629   dm[1] -= 3.8e-3;
 630
 631   gMC->Gsvolu("TS13","TUBE",idtmed[12],dm,3);
 632
 633   // Tpc Sandwich 14 - NOMEX
 634
 635   dm[0] += 0.07;
 636   dm[1] -= 0.07;
 637
 638   gMC->Gsvolu("TS14","TUBE",idtmed[6],dm,3);
 639
 640   // 14->13->12->TIFC
 641
 642   gMC->Gspos("TS14",1,"TS13",0.,0.,0.,0,"ONLY");
 643   gMC->Gspos("TS13",1,"TS12",0.,0.,0.,0,"ONLY");
 644
 645   gMC->Gspos("TS12",1,"TIFC",0.,0.,170.05,0,"ONLY");
 646   gMC->Gspos("TS12",2,"TIFC",0.,0.,-170.05,0,"ONLY");
 647
 648   // place this inside the inner insulator
 649
 650   gMC->Gspos("TIFC",1,"TIIN",0.,0.,0.,0,"ONLY");
 651
 652   // and now in the TPC...
 653
 654   gMC->Gspos("TIIN",1,"TPC ",0.,0.,0.,0,"ONLY");
 655
 656   //---------------------------------------------------------
 657   // Tpc Inner Containment vessel - Cones
 658   //---------------------------------------------------------
 659
 660   dm[0]=0.;
 661   dm[1]=360.;
 662   dm[2]=8.;
 663
 664   //
 665
 666   dm[3]=71.8;
 667   dm[4]=56.9;
 668   dm[5]=59.4;
 669
 670   //
 671
 672   dm[6]=73.;
 673   dm[7]=56.9;
 674   dm[8]=59.4;
 675
 676   //
 677
 678   dm[9]=73.;
 679   dm[10]=56.9;
 680   dm[11]=61.2;
 681
 682   //
 683
 684   dm[12]=73.3;
 685   dm[13]=56.9;
 686   dm[14]=61.2;
 687
 688   //
 689
 690   dm[15]=73.3;
 691   dm[16]=60.9;
 692   dm[17]=61.2;
 693
 694   //
 695
 696   dm[18]=253.6;
 697   dm[19]=65.6;
 698   dm[20]=65.9;
 699
 700   //
 701
 702   dm[21]=253.6;
 703   dm[22]=65.6;
 704   dm[23]=74.6;
 705
 706   //
 707
 708   dm[24]=256.6;
 709   dm[25]=65.6;
 710   dm[26]=74.6;
 711
 712   gMC->Gsvolu("TICC","PCON",idtmed[4],dm,27);
 713
 714   Float_t phi1,phi2,phi3,theta1,theta2,theta3; // rotation angles
 715
 716   // reflection matrix
 717
 718   theta1 = 90.;
 719   phi1   = 0.;
 720   theta2 = 90.;
 721   phi2   = 270.;
 722   theta3 = 180.;
 723   phi3   = 0.;
 724
 725   AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
 726
 727   gMC->Gspos("TICC",1,"TPC ",0.,0.,0.,0,"ONLY");
 728   gMC->Gspos("TICC",2,"TPC ",0.,0.,0.,idrotm[nRotMat],"ONLY");
 729
 730
 731   //---------------------------------------------------------
 732   // Tpc Inner Containment vessel - Middle part -Al
 733   //---------------------------------------------------------
 734
 735   dm[0]=0.;
 736   dm[1]=360.;
 737   dm[2]=6.;
 738
 739   //
 740
 741   dm[3]=-71.6;
 742   dm[4]=60.2;
 743   dm[5]=61.2;
 744
 745   //
 746
 747   dm[6]=-69.1;
 748   dm[7]=60.2;
 749   dm[8]=61.2;
 750
 751   //
 752
 753   dm[9]=-69.1;
 754   dm[10]=60.6224;
 755   dm[11]=61.2;
 756
 757   //
 758
 759   dm[12]=69.1;
 760   dm[13]=60.6224;
 761   dm[14]=61.2;
 762
 763   //
 764
 765   dm[15]=69.1;
 766   dm[16]=60.2;
 767   dm[17]=61.2;
 768
 769   //
 770
 771   dm[18]=71.6;
 772   dm[19]=60.2;
 773   dm[20]=61.2;
 774
 775   gMC->Gsvolu("TICM","PCON",idtmed[4],dm,21);
 776
 777   // Tpc Sandwich 15 - Al
 778
 779   dm[0]=60.6224;
 780   dm[1]=61.2;
 781   dm[2]=70.1;
 782
 783   gMC->Gsvolu("TS15","TUBE",idtmed[4],dm,3);
 784
 785   // Tpc Sandwich 16 -  epoxy glue
 786
 787   dm[0] += 5.e-3;
 788   dm[1] -= 5.e-3;
 789
 790   gMC->Gsvolu("TS16","TUBE",idtmed[14],dm,3);
 791
 792   // Tpc Sandwich 17 - Tedlar
 793
 794   dm[0] += 0.01;
 795   dm[1] -= 0.01;
 796
 797   gMC->Gsvolu("TS17","TUBE",idtmed[9],dm,3);
 798
 799   // Tpc Sandwich 18 - carbon fiber
 800
 801   dm[0] += 3.8e-3;
 802   dm[1] -= 3.8e-3;
 803
 804   gMC->Gsvolu("TS18","TUBE",idtmed[15],dm,3);
 805
 806   // Tpc Sandwich 19 - Nomex
 807
 808   dm[0] += 0.02;
 809   dm[1] -= 0.02;
 810
 811   gMC->Gsvolu("TS19","TUBE",idtmed[6],dm,3);
 812
 813   // 19->18->17->16->15-> TICM
 814
 815   gMC->Gspos("TS19",1,"TS18",0.,0.,0.,0,"ONLY");
 816   gMC->Gspos("TS18",1,"TS17",0.,0.,0.,0,"ONLY");
 817   gMC->Gspos("TS17",1,"TS16",0.,0.,0.,0,"ONLY");
 818   gMC->Gspos("TS16",1,"TS15",0.,0.,0.,0,"ONLY");
 819
 820   gMC->Gspos("TS15",1,"TICM ",0.,0.,0.,0,"ONLY");
 821
 822
 823   // TPc inner cont. vessel Joints
 824
 825   dm[0]=60.2;
 826   dm[1]=61.2;
 827   dm[2]=0.5;
 828
 829   gMC->Gsvolu("TPJ1","TUBE",idtmed[4],dm,3);
 830
 831   gMC->Gspos("TPJ1",1,"TPC ",0.,0.,72.3,0,"ONLY");
 832   gMC->Gspos("TPJ1",2,"TPC ",0.,0.,-72.3,0,"ONLY");
 833
 834   //
 835
 836   dm[0]=0.;
 837   dm[1]=360.;
 838   dm[2]=4.;
 839
 840   //
 841
 842   dm[3]=70.8;
 843   dm[4]=58.4;
 844   dm[5]=60.1;
 845
 846   //
 847
 848   dm[6]=71.2;
 849   dm[7]=58.4;
 850   dm[8]=60.1;
 851
 852   //
 853
 854   dm[9]=71.2;
 855   dm[10]=58.4;
 856   dm[11]=59.4;
 857
 858   //
 859
 860   dm[12]=71.6;
 861   dm[13]=58.4;
 862   dm[14]=59.4;
 863
 864   gMC->Gsvolu("TPJ2","PCON",idtmed[4],dm,15);
 865
 866   gMC->Gspos("TPJ2",1,"TPC ",0.,0.,0.,0,"ONLY");
 867   gMC->Gspos("TPJ2",2,"TPC ",0.,0.,0.,idrotm[nRotMat],"ONLY");
 868
 869
 870
 871   // Tpc Inner Containment vessel Seal (Viton, I use Lexan for a time being)
 872
 873   dm[0]=58.4;
 874   dm[1]=61.2;
 875   dm[2]=0.1;
 876
 877   gMC->Gsvolu("TICS","TUBE",idtmed[14],dm,3);
 878
 879   gMC->Gspos("TICS",1,"TPC ",0.,0.,71.7,0,"ONLY");
 880   gMC->Gspos("TICS",2,"TPC ",0.,0.,-71.7,0,"ONLY");
 881
 882   // TICM -> TPC
 883
 884   gMC->Gspos("TICM",1,"TPC ",0.,0.,0.,0,"ONLY");
 885
 886   //
 887
 888   nRotMat++; // prepare for the next rotation matrix
 889
 890   //---------------------------------------------------------
 891   //  Tpc Dift Gas volume Nonsensitive (Ne-CO2 90/10)
 892   //  and its daughters (HV membrane, rods, readout chambers)
 893   //---------------------------------------------------------
 894
 895   dm[0]= 79.2;
 896   dm[1]= 258.0;
 897   dm[2]= 253.6;
 898
 899   gMC->Gsvolu("TDGN","TUBE",idtmed[1],dm,3);
 900
 901   // sector opening angles
 902
 903   Float_t innerOpenAngle = fTPCParam->GetInnerAngle();
 904
 905   // sector angle shift
 906
 907   Float_t innerAngleShift = fTPCParam->GetInnerAngleShift();
 908
 909   // number of sectors
 910
 911   Int_t nInnerSector = fTPCParam->GetNInnerSector()/2;
 912   Int_t nOuterSector = fTPCParam->GetNOuterSector()/2;
 913
 914   // All above parameters are identical for inner and outer
 915   // sectors. The distinction is kept for the historical reasons
 916   // and eventually will disappear.
 917
 918   Float_t tanAlpha = TMath::Tan(0.5*innerOpenAngle);
 919   Float_t cosAlpha = TMath::Sqrt(1.+tanAlpha*tanAlpha);
 920   Float_t space;
 921
 922   //-------------------------------------------------------------------------
 923   //   Tpc Inner Readout Chambers
 924   //-------------------------------------------------------------------------
 925
 926   dm[0]= 14.483;
 927   dm[1]= 23.3345;
 928   dm[2]= 1.6; // thickness
 929   dm[3]= 25.1;
 930
 931   gMC->Gsvolu("TIRC","TRD1",idtmed[4],dm,4);
 932
 933   // this volume will be positioned in the empty space
 934   // of the end-cap to avoid overlaps
 935
 936   dm[0]= 13.7305;
 937   dm[1]= 21.1895;
 938   dm[2]= 2.25;
 939   dm[3]= 21.15;
 940
 941   gMC->Gsvolu("TIC1","TRD1",idtmed[4],dm,4);
 942
 943
 944   //------------------------------------------------
 945   // Tpc Inner readout chamber Pad Plane
 946   //------------------------------------------------
 947
 948   dm[0]= 14.483;
 949   dm[1]= 23.3345;
 950   dm[2]= 0.5;
 951   dm[3]= 25.1;
 952
 953   gMC->Gsvolu("TIPP","TRD1",idtmed[12],dm,4);
 954
 955   //
 956
 957   dm[0] -= 1.218511934;
 958   dm[1] -= 1.218511934;
 959   dm[2] = 0.35;
 960
 961   gMC->Gsvolu("TIC3","TRD1",idtmed[1],dm,4);
 962
 963   gMC->Gspos("TIC3",1,"TIPP",0.,0.15,0.,0,"ONLY");
 964
 965   gMC->Gspos("TIPP",1,"TIRC",0.,1.1,0.,0,"ONLY");
 966
 967
 968   //----------------------------------------------
 969   // Tpc Readout Chambers Empty spaces - for both
 970   // inner and outer sectors
 971   //----------------------------------------------
 972
 973   gMC->Gsvolu("TRCE","TRD1",idtmed[0],dm,0);
 974
 975   // Inner sector - 4 spaces
 976
 977
 978   dm[3] = 4.7625;
 979   dm[0] = 12.472;
 980
 981   Float_t rr = 90.52;
 982   Float_t zz;
 983
 984   zz= -12.7875;
 985
 986   space = rr*tanAlpha-dm[0];
 987
 988   for(Int_t nsLow=0;nsLow<4;nsLow++){
 989
 990     rr += 9.525;
 991     dm[1]= rr*tanAlpha - space;
 992
 993     dm[2]=0.8;
 994
 995     gMC->Gsposp("TRCE",nsLow+1,"TIRC",0.,-0.8,zz,0,"ONLY",dm,4);
 996
 997     //
 998
 999     dm[2] = 1.2;
1000
1001     gMC->Gsposp("TRCE",nsLow+5,"TIC1",0.,1.05,zz-2.1,0,"ONLY",dm,4);
1002
1003     rr += 0.4;
1004     dm[0] = rr*tanAlpha - space;
1005     zz += (0.4+9.525);
1006
1007   }
1008
1009   dm[0]= 12.472;
1010   // dm[1] - this is the dm[1] from the previous TRCE
1011   dm[2]= 1.05;
1012   dm[3]= 19.65;
1013
1014   gMC->Gsposp("TRCE",9,"TIC1",0.,-1.2,0.,0,"ONLY",dm,4);
1015
1016   //
1017   // TPc Space for Connectors
1018   //
1019
1020   dm[0]= .3;
1021   dm[1]= .3;
1022   dm[2]= 4.5;
1023
1024   gMC->Gsvolu("TPSC","BOX ",idtmed[0],dm,3);
1025
1026   // TPC Connectors
1027
1028   dm[0]= .25;
1029   dm[1]= .15;
1030   dm[2]= 3.75;
1031
1032   gMC->Gsvolu("TPCC","BOX ",idtmed[13],dm,3);
1033
1034   gMC->Gspos("TPCC",1,"TPSC",0.,0.15,0.,0,"ONLY");
1035
1036   zz = -12.7875;
1037
1038
1039   Float_t alpha;
1040   Float_t astep;
1041
1042   // inner part of the inner sector - 2 x 20 holes
1043
1044   astep = 20.00096874/19.;
1045
1046   alpha = 10.00048437-astep;
1047
1048   Float_t x1,x2;
1049
1050     x1 = 13.31175725;
1051     x1 -= 0.996357832;
1052
1053     x2 = 15.06180253;
1054     x2 -= 1.163028812;
1055
1056   Int_t ncon;
1057
1058   for(ncon=0;ncon<20;ncon++){
1059
1060     phi1 = 0.;
1061     theta1 = 90.+alpha;
1062     phi2=90.;
1063     theta2 = 90.;
1064     phi3 = (alpha>0) ? 0. : 180.;
1065     theta3 = TMath::Abs(alpha);
1066
1067     AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
1068
1069
1070
1071     gMC->Gspos("TPSC",ncon+1,"TIRC",x1,0.3,-12.7875,idrotm[nRotMat],"ONLY");
1072     gMC->Gspos("TPSC",ncon+21,"TIRC",x2,0.3,-2.8625,idrotm[nRotMat],"ONLY");
1073
1074
1075     x1 -= 1.296357833;
1076     x2 -= 1.463028812;
1077
1078     alpha -= astep;
1079     nRotMat++;
1080
1081   }
1082
1083   // outer part of the inner sector - 2 x 25 holes
1084
1085    astep = 20.00096874/24.;
1086    alpha = 10.00048437-astep;
1087
1088    x1 = 16.81184781;
1089    x1 -= 1.016295986;
1090
1091    x2 = 18.5618931;
1092    x2 -= 1.150914854;
1093
1094   for(ncon=0;ncon<25;ncon++){
1095
1096     phi1 = 0.;
1097     theta1 = 90.+alpha;
1098     phi2=90.;
1099     theta2 = 90.;
1100     phi3 = (alpha>0) ? 0. : 180.;
1101     theta3 = TMath::Abs(alpha);
1102
1103     AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
1104
1105
1106
1107     gMC->Gspos("TPSC",ncon+41,"TIRC",x1,0.3,7.0625,idrotm[nRotMat],"ONLY");
1108     gMC->Gspos("TPSC",ncon+66,"TIRC",x2,0.3,16.9875,idrotm[nRotMat],"ONLY");
1109
1110
1111     x1 -= 1.316295986;
1112     x2 -= 1.450914854;
1113
1114     alpha -= astep;
1115     nRotMat++;
1116
1117   }
1118
1119   //--------------------------------------------------------------------------
1120   //  TPC Outer Readout Chambers
1121   //  this is NOT a final design
1122   //--------------------------------------------------------------------------
1123
1124   dm[0]= 23.3875;
1125   dm[1]= 43.524;
1126   dm[2]= 1.5; //thickness
1127   dm[3]= 57.1;
1128
1129   gMC->Gsvolu("TORC","TRD1",idtmed[4],dm,4);
1130
1131   //------------------------------------------------
1132   // Tpc Outer readout chamber Pad Plane
1133   //------------------------------------------------
1134
1135   dm[2]= 0.5;
1136
1137   gMC->Gsvolu("TOPP","TRD1",idtmed[12],dm,4);
1138
1139   dm[0] -= 1.218511934;
1140   dm[1] -= 1.218511934;
1141   dm[2] = 0.35;
1142
1143   gMC->Gsvolu("TOC3","TRD1",idtmed[1],dm,4);
1144
1145   gMC->Gspos("TOC3",1,"TOPP",0.,0.15,0.,0,"ONLY");
1146
1147   gMC->Gspos("TOPP",1,"TORC",0.,1.0,0.,0,"ONLY");
1148
1149   // empty space
1150
1151   dm[0]= 21.035;
1152   dm[1]= 38.7205;
1153   dm[2]= 0.7;
1154   dm[3]= 50.15;
1155
1156   gMC->Gsposp("TRCE",10,"TORC",0.,-0.8,-2.15,0,"ONLY",dm,4);
1157
1158   dm[0]= 22.2935;
1159   dm[1]= 40.5085;
1160   dm[2]= 2.25;
1161   dm[3]= 51.65;
1162
1163   gMC->Gsvolu("TOC1","TRD1",idtmed[4],dm,4);
1164
1165   dm[0]= 21.35;
1166   dm[1]= 38.7205;
1167   dm[2]= 2.25;
1168   dm[3]= 50.15;
1169
1170   gMC->Gsposp("TRCE",11,"TOC1",0.,0.,0.,0,"ONLY",dm,4);
1171
1172   //-----------------------------------------------
1173   // Tpc Services Support Wheel
1174   //-----------------------------------------------
1175
1176   dm[0]=0.;
1177   dm[1]=360.;
1178   dm[2]=18.;
1179   dm[3]=2.;
1180
1181   dm[4]= -5.;
1182   dm[5]= 77.017;
1183   dm[6]= 255.267;
1184
1185   dm[7]= 5.;
1186   dm[8]= dm[5];
1187   dm[9]= dm[6];
1188
1189   gMC->Gsvolu("TSSW","PGON",idtmed[4],dm,10);
1190
1191   // Tpc Services Wheel Cover
1192
1193   dm[4]= -0.5;
1194   dm[7]= 0.5;
1195
1196   gMC->Gsvolu("TSWC","PGON",idtmed[4],dm,10);
1197
1198   // Tpc Service wheel Cover Empty space
1199
1200   dm[0]= 10.99;
1201   dm[1]= 39.599;
1202   dm[2]= .5;
1203   dm[3]= 81.125;
1204
1205   gMC->Gsvolu("TSCE","TRD1",idtmed[0],dm,4);
1206
1207   // Tpc services Wheel Empty Spaces
1208
1209   dm[0]= 13.18017507;
1210   dm[1]= 44.61045938;
1211   dm[2]= 4.;
1212   dm[3]= 89.125;
1213
1214   gMC->Gsvolu("TWES","TRD1",idtmed[0],dm,4);
1215
1216   // Tpc Services Wheel Bars
1217
1218   gMC->Gsvolu("TSWB","TRD1",idtmed[4],dm,0);
1219
1220   // bars-> TWES
1221
1222   dm[2]= 4.;
1223   dm[3]= .4;
1224
1225   dm[0]= 13.8149522;
1226   dm[1]= 13.95601379;
1227
1228   gMC->Gsposp("TSWB",1,"TWES",0.,0.,-85.125,0,"ONLY",dm,4);
1229
1230   dm[0]= 43.83462067;
1231   dm[1]= 43.97568225;
1232
1233   gMC->Gsposp("TSWB",2,"TWES",0.,0.,85.125,0,"ONLY",dm,4);
1234
1235   // TPc ELectronics - right now 30% X0 Si
1236
1237   dm[0]= 14.03813696;
1238   dm[1]= 43.3524075;
1239   dm[2]= 1.404;
1240   dm[3]= 83.125;
1241
1242   gMC->Gsvolu("TPEL","TRD1",idtmed[11],dm,4);
1243   gMC->Gspos("TPEL",1,"TWES",0.,0.,0.,0,"ONLY");
1244
1245   //--------------------------------------------------------------------------
1246   //  End caps
1247   //--------------------------------------------------------------------------
1248
1249   // TPc Main Wheel - Al
1250
1251   dm[0]= 74.9;
1252   dm[1]= 264.4;
1253   dm[2]= 3.0;
1254
1255   gMC->Gsvolu("TPMW","TUBE",idtmed[4],dm,3);
1256
1257   //--------------------------------------------------------------------------
1258   //  Tpc Empty Space for the Readout chambers
1259   //--------------------------------------------------------------------------
1260
1261   Float_t rLow= 86.2;
1262   Float_t rUp= 243.5;
1263   Float_t dR = 0.5*(rUp-rLow);
1264
1265   space= 1.5/cosAlpha; // wheel ribs are 3.0 cm wide
1266
1267   dm[0]= rLow*tanAlpha-space;
1268   dm[1]= rUp*tanAlpha-space;
1269   dm[2] = 3.0;
1270   dm[3]= dR;
1271
1272   gMC->Gsvolu("TESR","TRD1",idtmed[0],dm,4);
1273
1274   // TIC1->TESR
1275
1276   gMC->Gspos("TIC1",1,"TESR",0.,0.75,-dR+23.97,0,"ONLY");
1277
1278   // TOC1->TESR
1279
1280   gMC->Gspos("TOC1",1,"TESR",0.,0.75,dR-55.02,0,"ONLY");
1281
1282   // Tpc Empty Space Bars - Al (daughters of TESR)
1283
1284   Float_t zBar;
1285
1286   gMC->Gsvolu("TESB","TRD1",idtmed[4],dm,0);
1287
1288   // lower bar
1289
1290   dm[0]= rLow*tanAlpha-space;
1291   dm[1]= 88.7*tanAlpha-space;
1292   dm[2]= 2.25;
1293   dm[3]= 1.275;
1294
1295   zBar = -dR+dm[3];
1296
1297   gMC->Gsposp("TESB",1,"TESR",0.,0.75,zBar,0,"ONLY",dm,4);
1298
1299   // middle bar
1300
1301   dm[0]= 131.65*tanAlpha-space;
1302   dm[1]= 136.5*tanAlpha-space;
1303   dm[3]= 2.425;
1304
1305   zBar = -dR +131.65+dm[3]-rLow;
1306
1307   gMC->Gsposp("TESB",2,"TESR",0.,0.75,zBar,0,"ONLY",dm,4);
1308
1309   // upper bar
1310
1311   dm[0]= 240.4*tanAlpha-space;
1312   dm[1]= rUp*tanAlpha-space;
1313   dm[3]= 1.55;
1314
1315   zBar = dR-dm[3];
1316
1317   gMC->Gsposp("TESB",3,"TESR",0.,0.75,zBar,0,"ONLY",dm,4);
1318
1319   //  positioning of the empty spaces into the main wheel
1320
1321   Float_t rCenter,xc,yc;
1322   Float_t rInner,rOuter; // center of the inner and outer chamber
1323
1324   rCenter = rLow+dR;
1325
1326   rInner = 108.07;
1327   rOuter = 190.68;
1328
1329
1330   for(Int_t ns=0; ns<nInnerSector;ns++){
1331
1332     phi1 = ns * innerOpenAngle + innerAngleShift;
1333     phi1 *= kRaddeg; // in degrees
1334
1335     phi1 = (Float_t)TMath::Nint(phi1) + 270.;
1336
1337     if (phi1 > 360.) phi1 -= 360.;
1338
1339     theta1 = 90.;
1340     phi2   = 90.;
1341     theta2 = 180.;
1342     phi3   = ns * innerOpenAngle + innerAngleShift;
1343     phi3 *= kRaddeg; // in degrees
1344
1345     phi3 = (Float_t)TMath::Nint(phi3);
1346
1347     if(phi3 > 360.) phi3 -= 360.;
1348
1349     theta3 = 90.;
1350
1351     // "holes"->End plate
1352
1353     xc = rCenter*TMath::Cos(phi3*kDegrad);
1354     yc = rCenter*TMath::Sin(phi3*kDegrad);
1355
1356     AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
1357
1358     gMC->Gspos("TESR",ns+1,"TPMW",xc,yc,0.,idrotm[nRotMat],"ONLY");
1359
1360     // TSCE->TSWC (services wheel volumes)
1361
1362     xc = 166.142*TMath::Cos(phi3*kDegrad);
1363     yc = 166.142*TMath::Sin(phi3*kDegrad);
1364
1365     gMC->Gspos("TSCE",ns+1,"TSWC",xc,yc,0.,idrotm[nRotMat],"ONLY");
1366     gMC->Gspos("TWES",ns+1,"TSSW",xc,yc,0.,idrotm[nRotMat],"ONLY");
1367
1368
1369     // readout chambers->TDGN (drift gas)
1370
1371     xc = rInner*TMath::Cos(phi3*kDegrad);
1372     yc = rInner*TMath::Sin(phi3*kDegrad);
1373
1374     gMC->Gspos("TIRC",ns+1,"TDGN",xc,yc,252.,idrotm[nRotMat],"ONLY");
1375
1376     xc = rOuter*TMath::Cos(phi3*kDegrad);
1377     yc = rOuter*TMath::Sin(phi3*kDegrad);
1378
1379     gMC->Gspos("TORC",ns+1,"TDGN",xc,yc,252.1,idrotm[nRotMat],"ONLY");
1380
1381     nRotMat++;
1382
1383     theta2 = 0.; // reflection
1384
1385     AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
1386
1387     xc = rInner*TMath::Cos(phi3*kDegrad);
1388     yc = rInner*TMath::Sin(phi3*kDegrad);
1389
1390     gMC->Gspos("TIRC",ns+nInnerSector+1,"TDGN",xc,yc,-252.,idrotm[nRotMat],"ONLY");
1391
1392     xc = rOuter*TMath::Cos(phi3*kDegrad);
1393     yc = rOuter*TMath::Sin(phi3*kDegrad);
1394
1395     gMC->Gspos("TORC",ns+nOuterSector+1,"TDGN",xc,yc,-252.1,idrotm[nRotMat],"ONLY");
1396
1397     nRotMat++;
1398
1399   }
1400   // TPMW->TPC
1401
1402   gMC->Gspos("TPMW",1,"TPC ",0.,0.,256.6,0,"ONLY");
1403   gMC->Gspos("TPMW",2,"TPC ",0.,0.,-256.6,idrotm[0],"ONLY");
1404
1405   //---------------------------------------------------------
1406   //  Tpc High Voltage Membrane - 100 microns of mylar
1407   //---------------------------------------------------------
1408
1409   dm[0]=82.8;
1410   dm[1]=252.;
1411   dm[2]=0.005;
1412
1413   gMC->Gsvolu("THVM","TUBE",idtmed[8],dm,3);
1414
1415   gMC->Gspos("THVM",1,"TDGN",0.,0.,0.,0,"ONLY");
1416
1417   // Tpc High Voltage membrane Holders
1418
1419   gMC->Gsvolu("THVH","TUBE",idtmed[4],dm,0);
1420
1421
1422
1423   // inner
1424
1425   dm[0]=79.3;
1426   dm[1]=82.8;
1427   dm[2]=0.2;
1428
1429   gMC->Gsposp("THVH",1,"TDGN",0.,0.,0.,0,"ONLY",dm,3);
1430
1431   // outer
1432
1433   dm[0]= 252.;
1434   dm[1]= 257.9;
1435   dm[2]= 0.4;
1436
1437   gMC->Gsposp("THVH",2,"TDGN",0.,0.,0.,0,"ONLY",dm,3);
1438
1439   //----------------------------------------------------------
1440   // TPc Support Rods - MAKROLON
1441   //----------------------------------------------------------
1442
1443   dm[0]= 0.9;
1444   dm[1]= 1.2;
1445
1446   gMC->Gsvolu("TPSR","TUBE",idtmed[7],dm,0); // inner and outer rods differ
1447
1448
1449   for(Int_t nrod=0;nrod<18;nrod++){
1450     Float_t angle=innerOpenAngle*(Float_t)nrod;
1451
1452     xc=81.5*TMath::Cos(angle);
1453     yc=81.5*TMath::Sin(angle);
1454
1455     dm[2]=126.7;
1456
1457     gMC->Gsposp("TPSR",nrod+1,"TDGN",xc,yc,126.9,0,"ONLY",dm,3);
1458     gMC->Gsposp("TPSR",nrod+19,"TDGN",xc,yc,-126.9,0,"ONLY",dm,3);
1459
1460     dm[2]=126.6;
1461
1462     xc=254.25*TMath::Cos(angle);
1463     yc=254.25*TMath::Sin(angle);
1464
1465     // rod number 54 contans the HV cable
1466
1467     if(nrod<17) {
1468       gMC->Gsposp("TPSR",nrod+37,"TDGN",xc,yc,127.,0,"ONLY",dm,3);
1469       gMC->Gsposp("TPSR",nrod+54,"TDGN",xc,yc,-127.,0,"ONLY",dm,3);
1470     }
1471
1472   }
1473
1474   //----------------------------------------------------------
1475   // Tpc High Voltage Rod - MAKROLON + Copper cable
1476   //----------------------------------------------------------
1477
1478   // rod with cable (Left)
1479
1480   dm[0]=0.;
1481   dm[1]=2.25;
1482   dm[2]=126.6;
1483
1484   gMC->Gsvolu("THVL","TUBE",idtmed[7],dm,3);
1485
1486   // HV cable
1487
1488   dm[0]=0.;
1489   dm[1]=0.3;
1490   dm[2]=126.6;
1491
1492   gMC->Gsvolu("THVC","TUBE",idtmed[10],dm,3);
1493
1494   // empty space
1495
1496   dm[0]=0.3;
1497   dm[1]=1.;
1498   dm[2]=126.6;
1499
1500   gMC->Gsvolu("THVE","TUBE",idtmed[1],dm,3);
1501
1502   gMC->Gspos("THVC",1,"THVL",0.,0.,0.,0,"ONLY");
1503   gMC->Gspos("THVE",1,"THVL",0.,0.,0.,0,"ONLY");
1504
1505   // rod without cable
1506
1507   dm[0]=1.8;
1508   dm[1]=2.25;
1509   dm[2]=126.6;
1510
1511   gMC->Gsvolu("THVR","TUBE",idtmed[7],dm,3);
1512
1513   gMC->Gspos("THVL",1,"TDGN",xc,yc,-127.,0,"ONLY");
1514   gMC->Gspos("THVR",1,"TDGN",xc,yc,127.,0,"ONLY");
1515
1516   gMC->Gspos("TDGN",1,"TPC ",0.,0.,0.,0,"ONLY");
1517
1518   // services wheel cover -> wheel
1519
1520
1521   gMC->Gspos("TSWC",1,"TSSW",0.,0.,4.5,0,"ONLY");
1522   gMC->Gspos("TSWC",2,"TSSW",0.,0.,-4.5,0,"ONLY");
1523
1524
1525   // put the wheel into the TPC
1526
1527   gMC->Gspos("TSSW",1,"TPC ",0.,0.,278.7,0,"ONLY");
1528   gMC->Gspos("TSSW",2,"TPC ",0.,0.,-278.7,0,"ONLY");
1529
1530   //
1531
1532   gMC->Gsord("TPMW",6);
1533   gMC->Gsord("TSSW",6);
1534   gMC->Gsord("TSWC",6);
1535
1536   // put the TPC into ALIC (main mother volume)
1537
1538   gMC->Gspos("TPC ",1,"ALIC",0.,0.,0.,0,"ONLY");
1539
1540 } // end of function
1541
1542
1543 //_____________________________________________________________________________
1544 void AliTPCv0::CreateMaterials()
1545 {
1546   //
1547   // Define materials for the TPC
1548   //
1549   AliTPC::CreateMaterials();
1550 }
1551
1552 //_____________________________________________________________________________
1553 void AliTPCv0::DrawDetector()
1554 {
1555   //
1556   // Draw a shaded view of the Time Projection Chamber version 0
1557   //
1558
1559   // Set everything unseen
1560   gMC->Gsatt("*", "seen", -1);
1561   //
1562   // Set ALIC mother transparent
1563   gMC->Gsatt("ALIC","SEEN",0);
1564   //
1565   // Set the volumes visible
1566   gMC->Gsatt("TPC ","SEEN",0);
1567   gMC->Gsatt("TOIN","SEEN",1);
1568   gMC->Gsatt("TOIN","COLO",7);
1569   gMC->Gsatt("TOCV","SEEN",1);
1570   gMC->Gsatt("TOCV","COLO",4);
1571   gMC->Gsatt("TSA1","SEEN",0);
1572   gMC->Gsatt("TSA2","SEEN",0);
1573   gMC->Gsatt("TSA3","SEEN",0);
1574   gMC->Gsatt("TSA4","SEEN",0);
1575   gMC->Gsatt("TSA5","SEEN",0);
1576   gMC->Gsatt("TOFC","SEEN",1);
1577   gMC->Gsatt("TOFC","COLO",4);
1578   gMC->Gsatt("TSA6","SEEN",0);
1579   gMC->Gsatt("TSA7","SEEN",0);
1580   gMC->Gsatt("TSA8","SEEN",0);
1581   gMC->Gsatt("TIIN","SEEN",1);
1582   gMC->Gsatt("TIIN","COLO",7);
1583   gMC->Gsatt("TII1","SEEN",0);
1584   gMC->Gsatt("TIFC","SEEN",1);
1585   gMC->Gsatt("TIFC","COLO",4);
1586   gMC->Gsatt("TSA9","SEEN",0);
1587   gMC->Gsatt("TS10","SEEN",0);
1588   gMC->Gsatt("TS11","SEEN",0);
1589   gMC->Gsatt("TS12","SEEN",0);
1590   gMC->Gsatt("TS13","SEEN",0);
1591   gMC->Gsatt("TS14","SEEN",0);
1592   gMC->Gsatt("TICC","SEEN",0);
1593   gMC->Gsatt("TICM","SEEN",0);
1594   gMC->Gsatt("TS15","SEEN",0);
1595   gMC->Gsatt("TS16","SEEN",0);
1596   gMC->Gsatt("TS17","SEEN",0);
1597   gMC->Gsatt("TS18","SEEN",0);
1598   gMC->Gsatt("TS19","SEEN",0);
1599   gMC->Gsatt("TPJ1","SEEN",0);
1600   gMC->Gsatt("TPJ2","SEEN",0);
1601   gMC->Gsatt("TICS","SEEN",0);
1602   gMC->Gsatt("TDGN","SEEN",0);
1603   gMC->Gsatt("TIRC","SEEN",0);
1604   gMC->Gsatt("TIC1","SEEN",1);
1605   gMC->Gsatt("TIPP","SEEN",0);
1606   gMC->Gsatt("TIC3","SEEN",0);
1607   gMC->Gsatt("TRCE","SEEN",0);
1608   gMC->Gsatt("TPSC","SEEN",0);
1609   gMC->Gsatt("TPCC","SEEN",0);
1610   gMC->Gsatt("TORC","SEEN",0);
1611   gMC->Gsatt("TOPP","SEEN",0);
1612   gMC->Gsatt("TOC3","SEEN",0);
1613   gMC->Gsatt("TOC1","SEEN",1);
1614   gMC->Gsatt("TSSW","SEEN",1);
1615   gMC->Gsatt("TSWC","SEEN",1);
1616   gMC->Gsatt("TSSW","COLO",3);
1617   gMC->Gsatt("TSWC","COLO",3);
1618   gMC->Gsatt("TSCE","COLO",6);
1619   gMC->Gsatt("TSCE","SEEN",1);
1620   gMC->Gsatt("TWES","SEEN",0);
1621   gMC->Gsatt("TSWB","SEEN",0);
1622   gMC->Gsatt("TPEL","SEEN",0);
1623   gMC->Gsatt("TPMW","SEEN",1);
1624   gMC->Gsatt("TESR","SEEN",1);
1625   gMC->Gsatt("TPMW","COLO",12);
1626   gMC->Gsatt("TIC1","COLO",5);
1627   gMC->Gsatt("TOC1","COLO",5);
1628   gMC->Gsatt("TESB","SEEN",0);
1629   gMC->Gsatt("THVM","SEEN",1);
1630   gMC->Gsatt("THVM","COLO",11);
1631   gMC->Gsatt("THVH","SEEN",0);
1632   gMC->Gsatt("TPSR","SEEN",0);
1633   gMC->Gsatt("THVL","SEEN",0);
1634   gMC->Gsatt("THVC","SEEN",0);
1635   gMC->Gsatt("THVE","SEEN",0);
1636   gMC->Gsatt("THVR","SEEN",0);
1637
1638   //
1639   gMC->Gdopt("hide", "on");
1640   gMC->Gdopt("shad", "on");
1641   gMC->Gsatt("*", "fill", 7);
1642   gMC->SetClipBox(".");
1643   gMC->SetClipBox("TPMW",-300,300,-300,300,254.,270.);
1644   gMC->SetClipBox("TESR",-300,300,-300,300,254.,270.);
1645   gMC->SetClipBox("TSSW",-300,300,-300,300,283.,284.);
1646   gMC->SetClipBox("TSWC",-300,300,-300,300,283.,284.);
1647   gMC->SetClipBox("*", 0, 300, -300, 300, -290, 290);
1648   gMC->DefaultRange();
1649   gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .025, .025);
1650   gMC->Gdhead(1111, "Time Projection Chamber");
1651   gMC->Gdman(18, 4, "MAN");
1652   gMC->Gdopt("hide","off");
1653 }
1654
1655 //_____________________________________________________________________________
1656 void AliTPCv0::Init()
1657 {
1658   //
1659   // Initialise Time Projection Chamber version 0
1660   //
1661
1662   printf("%s: *** TPC version 0 initialized***\n",ClassName());
1663
1664   //  printf("TPC version 0 initialized\n");
1665 }
1666
1667 //_____________________________________________________________________________
1668 void AliTPCv0::StepManager()
1669 {
1670   //
1671   // Procedure called at each step in the TPC
1672   //
1673 }