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 1.29  2002/11/21 22:43:32  alibrary
  19 Removing AliMC and AliMCProcess
  20
  21 Revision 1.28  2002/10/23 07:17:34  alibrary
  22 Introducing Riostream.h
  23
  24 Revision 1.27  2001/06/12 07:07:41  kowal2
  25 New files for folder and stack
  26
  27 Revision 1.26  2001/05/08 16:03:06  kowal2
  28 Geometry update according to the latest technical spec.
  29
  30 Revision 1.25  2001/04/27 15:23:06  kowal2
  31 Correct materian in the central part of the inner containment vessel
  32
  33 Revision 1.24  2001/04/26 06:15:11  kowal2
  34 Corrected bug in the inner containment vessel (cones)
  35
  36 Revision 1.23  2001/04/24 11:17:33  kowal2
  37 New TPC geometry.
  38
  39 Revision 1.22  2001/03/13 13:07:33  kowal2
  40 Corrected bug in the TPC mother volume geometry.
  41 Thanks to A. Morsch
  42
  43 Revision 1.21  2000/11/14 10:48:57  kowal2
  44 Correct material used for TSA4. Thanks to J. Barbosa.
  45
  46 Revision 1.20  2000/11/06 17:24:10  kowal2
  47 Corrected bug in the outer containment vessel and
  48 the outer field cage geometry.
  49 Thanks to J. Barbosa.
  50
  51 Revision 1.19  2000/11/02 16:55:24  kowal2
  52 Corrected bug in the inner containment vessel geometry.
  53 Thanks to J. Belikov
  54
  55 Revision 1.18  2000/11/02 07:24:11  kowal2
  56 Correction in the TPC geometry.
  57 Changes due to the new hit structure.
  58
  59 Revision 1.17  2000/07/10 20:57:39  hristov
  60 Update of TPC code and macros by M.Kowalski
  61
  62 Revision 1.16  2000/06/30 12:07:50  kowal2
  63 Updated from the TPC-PreRelease branch
  64
  65 Revision 1.15.2.4  2000/06/26 07:39:42  kowal2
  66 Changes to obey the coding rules
  67
  68 Revision 1.15.2.3  2000/06/25 08:38:41  kowal2
  69 Splitted from AliTPCtracking
  70
  71 Revision 1.15.2.2  2000/06/16 12:58:13  kowal2
  72 Changed parameter settings
  73
  74 Revision 1.15.2.1  2000/06/09 07:15:07  kowal2
  75
  76 Defaults loaded automatically (hard-wired)
  77 Optional parameters can be set via macro called in the constructor
  78
  79 Revision 1.15  2000/05/15 10:00:30  kowal2
  80 Corrected bug in the TPC geometry, thanks to Ivana Hrivnacova
  81
  82 Revision 1.14  2000/04/17 09:37:33  kowal2
  83 removed obsolete AliTPCDigitsDisplay.C
  84
  85 Revision 1.13.8.2  2000/04/10 08:33:44  kowal2
  86
  87 Updated readout chambers
  88
  89 Revision 1.13.8.1  2000/04/10 07:56:53  kowal2
  90 Not used anymore - removed
  91
  92 Revision 1.13  1999/11/04 17:28:06  fca
  93 Correct barrel part of HV Degrader
  94
  95 Revision 1.12  1999/10/08 06:27:23  fca
  96 Corrected bug in the HV degrader geometry, thanks to G.Tabary
  97
  98 Revision 1.11  1999/10/04 13:39:54  fca
  99 Correct array index problem
 100
 101 Revision 1.10  1999/09/29 09:24:34  fca
 102 Introduction of the Copyright and cvs Log
 103
 104 */
 105 //
 106
 107 ///////////////////////////////////////////////////////////////////////////////
 108 //                                                                           //
 109 //  Time Projection Chamber version 0 -- "coarse" TPC                        //
 110 //                                                                           //
 111 //Begin_Html
 112 /*
 113 <img src="picts/AliTPCv0Class.gif">
 114 */
 115 //End_Html
 116 //                                                                           //
 117 //                                                                           //
 118 ///////////////////////////////////////////////////////////////////////////////
 119
 120 #include <TMath.h>
 121 #include <TGeometry.h>
 122 #include <TNode.h>
 123 #include <TTUBE.h>
 124 #include "AliTPCv0.h"
 125 #include "AliRun.h"
 126 #include <Riostream.h>
 127 #include <Riostream.h>
 128 #include "AliConst.h"
 129
 130 #include "AliTPCParamSR.h"
 131 #include "AliTPCDigitsArray.h"
 132
 133 ClassImp(AliTPCv0)
 134
 135 //_____________________________________________________________________________
 136 AliTPCv0::AliTPCv0(const char *name, const char *title)
 137          :AliTPC(name, title)
 138 {
 139   //
 140   // Standard creator for TPC version 0
 141   //
 142
 143   SetGasMixt(2,20,10,-1,0.9,0.1,0.);
 144
 145   if (fTPCParam)
 146      fTPCParam->Write(fTPCParam->GetTitle());
 147 }
 148
 149 //_____________________________________________________________________________
 150 void AliTPCv0::CreateGeometry()
 151 {
 152
 153   //
 154   // Creation of the TPC version 0, i.e. no sensitive volumes,
 155   // only the material distribution
 156   //
 157   //Begin_Html
 158   /*
 159     <img src="picts/AliTPC.gif">
 160   */
 161   //End_Html
 162   //Begin_Html
 163   /*
 164     <img src="picts/AliTPCv0Tree.gif">
 165   */
 166   //End_Html
 167
 168   //---------------------------------------------------------------
 169   //  TPC geometry
 170   //
 171   //  Origin: Marek Kowalski, INP Cracow
 172   //  Marek.Kowalski@ifj.edu.pl
 173   //---------------------------------------------------------------
 174   Float_t dm[50];
 175
 176   Int_t *idtmed = fIdtmed->GetArray(); // TPC media
 177
 178   Int_t idrotm[120]; // rotation matrices
 179
 180   Int_t nRotMat = 0; // actual number of rotation matrices
 181
 182
 183   //
 184   //  Mother volume TPC (Air) - all volumes will be positioned in it
 185   //
 186
 187   dm[0]=0.;
 188   dm[1]=360.;
 189   dm[2]=8.;
 190
 191   //
 192
 193   dm[3]=-283.7;
 194   dm[4]=65.6;
 195   dm[5]=278.;
 196
 197   //
 198
 199   dm[6]=-253.6;
 200   dm[7]=65.6;
 201   dm[8]=278.;
 202
 203   //
 204
 205   dm[9]=-73.3;
 206   dm[10]=60.9;
 207   dm[11]=278.;
 208
 209   //
 210
 211   dm[12]=-73.3;
 212   dm[13]=56.9;
 213   dm[14]=278.;
 214
 215   //
 216
 217   dm[15]=73.3;
 218   dm[16]=56.9;
 219   dm[17]=278.;
 220
 221   //
 222
 223   dm[18]=73.3;
 224   dm[19]=60.9;
 225   dm[20]=278.;
 226
 227   //
 228
 229   dm[21]=253.6;
 230   dm[22]=65.6;
 231   dm[23]=278.;
 232
 233   //
 234
 235   dm[24]=283.7;
 236   dm[25]=65.6;
 237   dm[26]=278.;
 238
 239   gMC->Gsvolu("TPC ","PCON",idtmed[0],dm,27);
 240
 241   // outer part
 242
 243   //-------------------------------------------------------------------
 244   //   Tpc Outer INsulator (CO2) - contains cont. vessel and field cage
 245   //-------------------------------------------------------------------
 246
 247   dm[0]= 0.;
 248   dm[1]= 360.;
 249   dm[2]= 6.;
 250
 251   //
 252
 253   dm[3]=-253.6;
 254   dm[4]=258.;
 255   dm[5]=275.5;
 256
 257   //
 258
 259   dm[6]=-250.6;
 260   dm[7]=258.;
 261   dm[8]=275.5;
 262
 263   //
 264
 265   dm[9]=-250.6;
 266   dm[10]=258.;
 267   dm[11]=278.;
 268
 269   //
 270
 271   dm[12]=253.6;
 272   dm[13]=258.;
 273   dm[14]=278.;
 274
 275   //
 276
 277   dm[15]=253.6;
 278   dm[16]=264.8;
 279   dm[17]=278.;
 280
 281   //
 282
 283   dm[18]=256.6;
 284   dm[19]=264.8;
 285   dm[20]=278.;
 286
 287   gMC->Gsvolu("TOIN","PCON",idtmed[3],dm,21);
 288
 289   //----------------------------------------------------------------
 290   // Tpc Outer Contaiment Vessel
 291   //  mother volume - Al, daughters - composite (sandwich)
 292   //----------------------------------------------------------------
 293
 294   dm[0]=0.;
 295   dm[1]=360.;
 296   dm[2]=6.;
 297
 298   //
 299
 300   dm[3]=-250.6;
 301   dm[4]=270.4;
 302   dm[5]=278.;
 303
 304   //
 305
 306   dm[6]=-247.6;
 307   dm[7]=270.4;
 308   dm[8]=278.;
 309
 310   //
 311
 312   dm[9]=-247.6;
 313   dm[10]=274.8124;
 314   dm[11]=278.;
 315
 316   //
 317
 318   dm[12]=253.6;
 319   dm[13]=274.8124;
 320   dm[14]=278.;
 321
 322   //
 323
 324   dm[15]=253.6;
 325   dm[16]=264.8;
 326   dm[17]=278.;
 327
 328   //
 329
 330   dm[18]=256.6;
 331   dm[19]=264.8;
 332   dm[20]=278.;
 333
 334   gMC->Gsvolu("TOCV","PCON",idtmed[4],dm,21);
 335
 336   // Daughter volumes - sandwich
 337
 338   // Tpc SAndwich 1 - Al
 339
 340   dm[0]=274.8124;
 341   dm[1]=278.;
 342   dm[2]=252.1;
 343
 344   gMC->Gsvolu("TSA1","TUBE",idtmed[4],dm,3);
 345
 346   // Tpc SAndwich 2 - epoxy glue (I use Lexan)
 347
 348   dm[0] += 5.e-3;
 349   dm[1] -= 5.e-3;
 350
 351   gMC->Gsvolu("TSA2","TUBE",idtmed[14],dm,3);
 352
 353   // Tpc SAndwich 3 - Tedlar
 354
 355   dm[0] += 0.01;
 356   dm[1] -= 0.01;
 357
 358   gMC->Gsvolu("TSA3","TUBE",idtmed[9],dm,3);
 359
 360
 361   // Tpc SAndwich 4 - fiber glass (G10)
 362
 363   dm[0] += 3.8e-3;
 364   dm[1] -= 3.8e-3;
 365
 366   gMC->Gsvolu("TSA4","TUBE",idtmed[12],dm,3);
 367
 368   // Tpc SAndwich 5 - NOMEX honeycomb
 369
 370   dm[0] += 0.075;
 371   dm[1] -= 0.075;
 372
 373   gMC->Gsvolu("TSA5","TUBE",idtmed[6],dm,3);
 374
 375   // 5->4->3->2->1->TCOV
 376
 377
 378   gMC->Gspos("TSA5",1,"TSA4",0.,0.,0.,0,"ONLY");
 379   gMC->Gspos("TSA4",1,"TSA3",0.,0.,0.,0,"ONLY");
 380   gMC->Gspos("TSA3",1,"TSA2",0.,0.,0.,0,"ONLY");
 381   gMC->Gspos("TSA2",1,"TSA1",0.,0.,0.,0,"ONLY");
 382
 383   gMC->Gspos("TSA1",1,"TOCV",0.,0.,3.,0,"ONLY");
 384
 385   // TCOV-> TOIN
 386
 387   gMC->Gspos("TOCV",1,"TOIN",0.,0.,0.,0,"ONLY");
 388
 389   //-------------------------------------------------------
 390   //  Tpc Outer Field Cage
 391   //  mother volume - Al, daughters - composite (sandwich)
 392   //-------------------------------------------------------
 393
 394   dm[0]=0.;
 395   dm[1]=360.;
 396   dm[2]=6.;
 397
 398   //
 399
 400   dm[3]=-253.6;
 401   dm[4]=258.;
 402   dm[5]=275.5;
 403
 404   //
 405
 406   dm[6]=-250.6;
 407   dm[7]=258.;
 408   dm[8]=275.5;
 409
 410   //
 411
 412   dm[9]=-250.6;
 413   dm[10]=258.;
 414   dm[11]=260.0476;
 415
 416   //
 417
 418   dm[12]=250.6;
 419   dm[13]=258.;
 420   dm[14]=260.0476;
 421
 422   //
 423
 424   dm[15]=250.6;
 425   dm[16]=258.;
 426   dm[17]=269.6;
 427
 428   //
 429
 430   dm[18]=253.6;
 431   dm[19]=258.;
 432   dm[20]=269.6;
 433
 434   gMC->Gsvolu("TOFC","PCON",idtmed[4],dm,21);
 435
 436   // Daughter volumes
 437
 438   // Tpc SAndwich 6 - Tedlar
 439
 440   dm[0]= 258.;
 441   dm[1]= 260.0476;
 442   dm[2]= 252.1;
 443
 444   gMC->Gsvolu("TSA6","TUBE",idtmed[9],dm,3);
 445
 446   // Tpc SAndwich 7 - fiber glass
 447
 448   dm[0] += 3.8e-3;
 449   dm[1] -= 3.8e-3;
 450
 451   gMC->Gsvolu("TSA7","TUBE",idtmed[12],dm,3);
 452
 453
 454   // Tpc SAndwich 8 - NOMEX
 455
 456   dm[0] += 0.02;
 457   dm[1] -= 0.02;
 458
 459   gMC->Gsvolu("TSA8","TUBE",idtmed[6],dm,3);
 460
 461   // 8->7->6->TOFC
 462
 463   gMC->Gspos("TSA8",1,"TSA7",0.,0.,0.,0,"ONLY");
 464   gMC->Gspos("TSA7",1,"TSA6",0.,0.,0.,0,"ONLY");
 465   gMC->Gspos("TSA6",1,"TOFC",0.,0.,0.,0,"ONLY");
 466
 467   // TOFC->TOIN
 468
 469   gMC->Gspos("TOFC",1,"TOIN",0.,0.,0.,0,"ONLY");
 470
 471   // TOIN->TPC
 472
 473   gMC->Gspos("TOIN",1,"TPC ",0.,0.,0.,0,"ONLY");
 474
 475   // inner part
 476
 477   //--------------------------------------------------------------------
 478   // Tpc Inner INsulator (CO2) - inner f.c. will be placed there
 479   // Inner containment vessel will be placed directly in the TPC
 480   //--------------------------------------------------------------------
 481
 482   dm[0]=0.;
 483   dm[1]=360.;
 484   dm[2]=4.;
 485
 486   //
 487
 488   dm[3]=-253.6;
 489   dm[4]=65.9;
 490   dm[5]=79.2;
 491
 492   //
 493
 494   dm[6]=-73.3;
 495   dm[7]=61.2;
 496   dm[8]=79.2;
 497
 498   //
 499
 500   dm[9]=73.3;
 501   dm[10]=61.2;
 502   dm[11]=79.2;
 503
 504   //
 505
 506   dm[12]=253.6;
 507   dm[13]=65.9;
 508   dm[14]=79.2;
 509
 510   gMC->Gsvolu("TIIN","PCON",idtmed[3],dm,15);
 511
 512   // the middle part of the F.C. is thinner - carve out the strip - Ne-CO2
 513
 514   dm[0]=79.16;
 515   dm[1]=79.2;
 516   dm[2]=88.;
 517
 518   gMC->Gsvolu("TII1","TUBE",idtmed[1],dm,3);
 519
 520   gMC->Gspos("TII1",1,"TIIN",0.,0.,0.,0,"ONLY");
 521
 522   //-----------------------------------------------------
 523   // Tpc Inner Field Cage
 524   // mother volume - Al, daughters - composite (sandwich)
 525   //------------------------------------------------------
 526
 527   dm[0]=0.;
 528   dm[1]=360.;
 529   dm[2]=10.;
 530
 531   //
 532
 533   dm[3]=-253.6;
 534   dm[4]=70.3;
 535   dm[5]=79.2;
 536
 537   //
 538
 539   dm[6]=-250.6;
 540   dm[7]=70.3;
 541   dm[8]=79.2;
 542
 543   //
 544
 545   dm[9]=-250.6;
 546   dm[10]=77.0524;
 547   dm[11]=79.2;
 548
 549   //
 550
 551   dm[12]=-88.;
 552   dm[13]=77.0524;
 553   dm[14]=79.2;
 554
 555   //
 556
 557   dm[15]=-88.;
 558   dm[16]=77.0924;
 559   dm[17]=79.16;
 560
 561   //
 562
 563   dm[18]=88.;
 564   dm[19]=77.0924;
 565   dm[20]=79.16;
 566
 567   //
 568
 569   dm[21]=88.;
 570   dm[22]=77.0524;
 571   dm[23]=79.2;
 572
 573   //
 574
 575   dm[24]=250.6;
 576   dm[25]=77.0524;
 577   dm[26]=79.2;
 578
 579   //
 580
 581   dm[27]=250.6;
 582   dm[28]=70.3;
 583   dm[29]=79.2;
 584
 585   //
 586
 587   dm[30]=253.6;
 588   dm[31]=70.3;
 589   dm[32]=79.2;
 590
 591   gMC->Gsvolu("TIFC","PCON",idtmed[4],dm,33);
 592
 593   // daughter volumes - central part
 594
 595   // Tpc Sandwich 9 -Tedlar
 596
 597   dm[0]=77.0924;
 598   dm[1]=79.16;
 599   dm[2]=88.;
 600
 601   gMC->Gsvolu("TSA9","TUBE",idtmed[9],dm,3);
 602
 603   // Tpc Sandwich 10 - fiber glass (G10)
 604
 605   dm[0] += 3.8e-3;
 606   dm[1] -= 3.8e-3;
 607
 608   gMC->Gsvolu("TS10","TUBE",idtmed[12],dm,3);
 609
 610   // Tpc Sandwich 11 - NOMEX
 611
 612   dm[0] += 0.03;
 613   dm[1] -= 0.03;
 614
 615   gMC->Gsvolu("TS11","TUBE",idtmed[6],dm,3);
 616
 617   // 11->10->9->TIFC
 618
 619   gMC->Gspos("TS11",1,"TS10",0.,0.,0.,0,"ONLY");
 620   gMC->Gspos("TS10",1,"TSA9",0.,0.,0.,0,"ONLY");
 621
 622   gMC->Gspos("TSA9",1,"TIFC",0.,0.,0.,0,"ONLY");
 623
 624   // daughter volumes - outer parts (reinforced)
 625
 626   // Tpc Sandwich 12 -Tedlar
 627
 628   dm[0]=77.0524;
 629   dm[1]=79.2;
 630   dm[2]=82.05;
 631
 632   gMC->Gsvolu("TS12","TUBE",idtmed[9],dm,3);
 633
 634   // Tpc Sandwich 13 - fiber glass (G10)
 635
 636   dm[0] += 3.8e-3;
 637   dm[1] -= 3.8e-3;
 638
 639   gMC->Gsvolu("TS13","TUBE",idtmed[12],dm,3);
 640
 641   // Tpc Sandwich 14 - NOMEX
 642
 643   dm[0] += 0.07;
 644   dm[1] -= 0.07;
 645
 646   gMC->Gsvolu("TS14","TUBE",idtmed[6],dm,3);
 647
 648   // 14->13->12->TIFC
 649
 650   gMC->Gspos("TS14",1,"TS13",0.,0.,0.,0,"ONLY");
 651   gMC->Gspos("TS13",1,"TS12",0.,0.,0.,0,"ONLY");
 652
 653   gMC->Gspos("TS12",1,"TIFC",0.,0.,170.05,0,"ONLY");
 654   gMC->Gspos("TS12",2,"TIFC",0.,0.,-170.05,0,"ONLY");
 655
 656   // place this inside the inner insulator
 657
 658   gMC->Gspos("TIFC",1,"TIIN",0.,0.,0.,0,"ONLY");
 659
 660   // and now in the TPC...
 661
 662   gMC->Gspos("TIIN",1,"TPC ",0.,0.,0.,0,"ONLY");
 663
 664   //---------------------------------------------------------
 665   // Tpc Inner Containment vessel - Cones
 666   //---------------------------------------------------------
 667
 668   dm[0]=0.;
 669   dm[1]=360.;
 670   dm[2]=8.;
 671
 672   //
 673
 674   dm[3]=71.8;
 675   dm[4]=56.9;
 676   dm[5]=59.4;
 677
 678   //
 679
 680   dm[6]=73.;
 681   dm[7]=56.9;
 682   dm[8]=59.4;
 683
 684   //
 685
 686   dm[9]=73.;
 687   dm[10]=56.9;
 688   dm[11]=61.2;
 689
 690   //
 691
 692   dm[12]=73.3;
 693   dm[13]=56.9;
 694   dm[14]=61.2;
 695
 696   //
 697
 698   dm[15]=73.3;
 699   dm[16]=60.9;
 700   dm[17]=61.2;
 701
 702   //
 703
 704   dm[18]=253.6;
 705   dm[19]=65.6;
 706   dm[20]=65.9;
 707
 708   //
 709
 710   dm[21]=253.6;
 711   dm[22]=65.6;
 712   dm[23]=74.6;
 713
 714   //
 715
 716   dm[24]=256.6;
 717   dm[25]=65.6;
 718   dm[26]=74.6;
 719
 720   gMC->Gsvolu("TICC","PCON",idtmed[4],dm,27);
 721
 722   Float_t phi1,phi2,phi3,theta1,theta2,theta3; // rotation angles
 723
 724   // reflection matrix
 725
 726   theta1 = 90.;
 727   phi1   = 0.;
 728   theta2 = 90.;
 729   phi2   = 270.;
 730   theta3 = 180.;
 731   phi3   = 0.;
 732
 733   AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
 734
 735   gMC->Gspos("TICC",1,"TPC ",0.,0.,0.,0,"ONLY");
 736   gMC->Gspos("TICC",2,"TPC ",0.,0.,0.,idrotm[nRotMat],"ONLY");
 737
 738
 739   //---------------------------------------------------------
 740   // Tpc Inner Containment vessel - Middle part -Al
 741   //---------------------------------------------------------
 742
 743   dm[0]=0.;
 744   dm[1]=360.;
 745   dm[2]=6.;
 746
 747   //
 748
 749   dm[3]=-71.6;
 750   dm[4]=60.2;
 751   dm[5]=61.2;
 752
 753   //
 754
 755   dm[6]=-69.1;
 756   dm[7]=60.2;
 757   dm[8]=61.2;
 758
 759   //
 760
 761   dm[9]=-69.1;
 762   dm[10]=60.6224;
 763   dm[11]=61.2;
 764
 765   //
 766
 767   dm[12]=69.1;
 768   dm[13]=60.6224;
 769   dm[14]=61.2;
 770
 771   //
 772
 773   dm[15]=69.1;
 774   dm[16]=60.2;
 775   dm[17]=61.2;
 776
 777   //
 778
 779   dm[18]=71.6;
 780   dm[19]=60.2;
 781   dm[20]=61.2;
 782
 783   gMC->Gsvolu("TICM","PCON",idtmed[4],dm,21);
 784
 785   // Tpc Sandwich 15 - Al
 786
 787   dm[0]=60.6224;
 788   dm[1]=61.2;
 789   dm[2]=70.1;
 790
 791   gMC->Gsvolu("TS15","TUBE",idtmed[4],dm,3);
 792
 793   // Tpc Sandwich 16 -  epoxy glue
 794
 795   dm[0] += 5.e-3;
 796   dm[1] -= 5.e-3;
 797
 798   gMC->Gsvolu("TS16","TUBE",idtmed[14],dm,3);
 799
 800   // Tpc Sandwich 17 - Tedlar
 801
 802   dm[0] += 0.01;
 803   dm[1] -= 0.01;
 804
 805   gMC->Gsvolu("TS17","TUBE",idtmed[9],dm,3);
 806
 807   // Tpc Sandwich 18 - carbon fiber
 808
 809   dm[0] += 3.8e-3;
 810   dm[1] -= 3.8e-3;
 811
 812   gMC->Gsvolu("TS18","TUBE",idtmed[15],dm,3);
 813
 814   // Tpc Sandwich 19 - Nomex
 815
 816   dm[0] += 0.02;
 817   dm[1] -= 0.02;
 818
 819   gMC->Gsvolu("TS19","TUBE",idtmed[6],dm,3);
 820
 821   // 19->18->17->16->15-> TICM
 822
 823   gMC->Gspos("TS19",1,"TS18",0.,0.,0.,0,"ONLY");
 824   gMC->Gspos("TS18",1,"TS17",0.,0.,0.,0,"ONLY");
 825   gMC->Gspos("TS17",1,"TS16",0.,0.,0.,0,"ONLY");
 826   gMC->Gspos("TS16",1,"TS15",0.,0.,0.,0,"ONLY");
 827
 828   gMC->Gspos("TS15",1,"TICM ",0.,0.,0.,0,"ONLY");
 829
 830
 831   // TPc inner cont. vessel Joints
 832
 833   dm[0]=60.2;
 834   dm[1]=61.2;
 835   dm[2]=0.5;
 836
 837   gMC->Gsvolu("TPJ1","TUBE",idtmed[4],dm,3);
 838
 839   gMC->Gspos("TPJ1",1,"TPC ",0.,0.,72.3,0,"ONLY");
 840   gMC->Gspos("TPJ1",2,"TPC ",0.,0.,-72.3,0,"ONLY");
 841
 842   //
 843
 844   dm[0]=0.;
 845   dm[1]=360.;
 846   dm[2]=4.;
 847
 848   //
 849
 850   dm[3]=70.8;
 851   dm[4]=58.4;
 852   dm[5]=60.1;
 853
 854   //
 855
 856   dm[6]=71.2;
 857   dm[7]=58.4;
 858   dm[8]=60.1;
 859
 860   //
 861
 862   dm[9]=71.2;
 863   dm[10]=58.4;
 864   dm[11]=59.4;
 865
 866   //
 867
 868   dm[12]=71.6;
 869   dm[13]=58.4;
 870   dm[14]=59.4;
 871
 872   gMC->Gsvolu("TPJ2","PCON",idtmed[4],dm,15);
 873
 874   gMC->Gspos("TPJ2",1,"TPC ",0.,0.,0.,0,"ONLY");
 875   gMC->Gspos("TPJ2",2,"TPC ",0.,0.,0.,idrotm[nRotMat],"ONLY");
 876
 877
 878
 879   // Tpc Inner Containment vessel Seal (Viton, I use Lexan for a time being)
 880
 881   dm[0]=58.4;
 882   dm[1]=61.2;
 883   dm[2]=0.1;
 884
 885   gMC->Gsvolu("TICS","TUBE",idtmed[14],dm,3);
 886
 887   gMC->Gspos("TICS",1,"TPC ",0.,0.,71.7,0,"ONLY");
 888   gMC->Gspos("TICS",2,"TPC ",0.,0.,-71.7,0,"ONLY");
 889
 890   // TICM -> TPC
 891
 892   gMC->Gspos("TICM",1,"TPC ",0.,0.,0.,0,"ONLY");
 893
 894   //
 895
 896   nRotMat++; // prepare for the next rotation matrix
 897
 898   //---------------------------------------------------------
 899   //  Tpc Dift Gas volume Nonsensitive (Ne-CO2 90/10)
 900   //  and its daughters (HV membrane, rods, readout chambers)
 901   //---------------------------------------------------------
 902
 903   dm[0]= 79.2;
 904   dm[1]= 258.0;
 905   dm[2]= 253.6;
 906
 907   gMC->Gsvolu("TDGN","TUBE",idtmed[1],dm,3);
 908
 909   // sector opening angles
 910
 911   Float_t innerOpenAngle = fTPCParam->GetInnerAngle();
 912
 913   // sector angle shift
 914
 915   Float_t innerAngleShift = fTPCParam->GetInnerAngleShift();
 916
 917   // number of sectors
 918
 919   Int_t nInnerSector = fTPCParam->GetNInnerSector()/2;
 920   Int_t nOuterSector = fTPCParam->GetNOuterSector()/2;
 921
 922   // All above parameters are identical for inner and outer
 923   // sectors. The distinction is kept for the historical reasons
 924   // and eventually will disappear.
 925
 926   Float_t tanAlpha = TMath::Tan(0.5*innerOpenAngle);
 927   Float_t cosAlpha = TMath::Sqrt(1.+tanAlpha*tanAlpha);
 928   Float_t space;
 929
 930   //-------------------------------------------------------------------------
 931   //   Tpc Inner Readout Chambers
 932   //-------------------------------------------------------------------------
 933
 934   dm[0]= 14.483;
 935   dm[1]= 23.3345;
 936   dm[2]= 1.6; // thickness
 937   dm[3]= 25.1;
 938
 939   gMC->Gsvolu("TIRC","TRD1",idtmed[4],dm,4);
 940
 941   // this volume will be positioned in the empty space
 942   // of the end-cap to avoid overlaps
 943
 944   dm[0]= 13.7305;
 945   dm[1]= 21.1895;
 946   dm[2]= 2.25;
 947   dm[3]= 21.15;
 948
 949   gMC->Gsvolu("TIC1","TRD1",idtmed[4],dm,4);
 950
 951
 952   //------------------------------------------------
 953   // Tpc Inner readout chamber Pad Plane
 954   //------------------------------------------------
 955
 956   dm[0]= 14.483;
 957   dm[1]= 23.3345;
 958   dm[2]= 0.5;
 959   dm[3]= 25.1;
 960
 961   gMC->Gsvolu("TIPP","TRD1",idtmed[12],dm,4);
 962
 963   //
 964
 965   dm[0] -= 1.218511934;
 966   dm[1] -= 1.218511934;
 967   dm[2] = 0.35;
 968
 969   gMC->Gsvolu("TIC3","TRD1",idtmed[1],dm,4);
 970
 971   gMC->Gspos("TIC3",1,"TIPP",0.,0.15,0.,0,"ONLY");
 972
 973   gMC->Gspos("TIPP",1,"TIRC",0.,1.1,0.,0,"ONLY");
 974
 975
 976   //----------------------------------------------
 977   // Tpc Readout Chambers Empty spaces - for both
 978   // inner and outer sectors
 979   //----------------------------------------------
 980
 981   gMC->Gsvolu("TRCE","TRD1",idtmed[0],dm,0);
 982
 983   // Inner sector - 4 spaces
 984
 985
 986   dm[3] = 4.7625;
 987   dm[0] = 12.472;
 988
 989   Float_t rr = 90.52;
 990   Float_t zz;
 991
 992   zz= -12.7875;
 993
 994   space = rr*tanAlpha-dm[0];
 995
 996   for(Int_t nsLow=0;nsLow<4;nsLow++){
 997
 998     rr += 9.525;
 999     dm[1]= rr*tanAlpha - space;
1000
1001     dm[2]=0.8;
1002
1003     gMC->Gsposp("TRCE",nsLow+1,"TIRC",0.,-0.8,zz,0,"ONLY",dm,4);
1004
1005     //
1006
1007     dm[2] = 1.2;
1008
1009     gMC->Gsposp("TRCE",nsLow+5,"TIC1",0.,1.05,zz-2.1,0,"ONLY",dm,4);
1010
1011     rr += 0.4;
1012     dm[0] = rr*tanAlpha - space;
1013     zz += (0.4+9.525);
1014
1015   }
1016
1017   dm[0]= 12.472;
1018   // dm[1] - this is the dm[1] from the previous TRCE
1019   dm[2]= 1.05;
1020   dm[3]= 19.65;
1021
1022   gMC->Gsposp("TRCE",9,"TIC1",0.,-1.2,0.,0,"ONLY",dm,4);
1023
1024   //
1025   // TPc Space for Connectors
1026   //
1027
1028   dm[0]= .3;
1029   dm[1]= .3;
1030   dm[2]= 4.5;
1031
1032   gMC->Gsvolu("TPSC","BOX ",idtmed[0],dm,3);
1033
1034   // TPC Connectors
1035
1036   dm[0]= .25;
1037   dm[1]= .15;
1038   dm[2]= 3.75;
1039
1040   gMC->Gsvolu("TPCC","BOX ",idtmed[13],dm,3);
1041
1042   gMC->Gspos("TPCC",1,"TPSC",0.,0.15,0.,0,"ONLY");
1043
1044   zz = -12.7875;
1045
1046
1047   Float_t alpha;
1048   Float_t astep;
1049
1050   // inner part of the inner sector - 2 x 20 holes
1051
1052   astep = 20.00096874/19.;
1053
1054   alpha = 10.00048437-astep;
1055
1056   Float_t x1,x2;
1057
1058     x1 = 13.31175725;
1059     x1 -= 0.996357832;
1060
1061     x2 = 15.06180253;
1062     x2 -= 1.163028812;
1063
1064   Int_t ncon;
1065
1066   for(ncon=0;ncon<20;ncon++){
1067
1068     phi1 = 0.;
1069     theta1 = 90.+alpha;
1070     phi2=90.;
1071     theta2 = 90.;
1072     phi3 = (alpha>0) ? 0. : 180.;
1073     theta3 = TMath::Abs(alpha);
1074
1075     AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
1076
1077
1078
1079     gMC->Gspos("TPSC",ncon+1,"TIRC",x1,0.3,-12.7875,idrotm[nRotMat],"ONLY");
1080     gMC->Gspos("TPSC",ncon+21,"TIRC",x2,0.3,-2.8625,idrotm[nRotMat],"ONLY");
1081
1082
1083     x1 -= 1.296357833;
1084     x2 -= 1.463028812;
1085
1086     alpha -= astep;
1087     nRotMat++;
1088
1089   }
1090
1091   // outer part of the inner sector - 2 x 25 holes
1092
1093    astep = 20.00096874/24.;
1094    alpha = 10.00048437-astep;
1095
1096    x1 = 16.81184781;
1097    x1 -= 1.016295986;
1098
1099    x2 = 18.5618931;
1100    x2 -= 1.150914854;
1101
1102   for(ncon=0;ncon<25;ncon++){
1103
1104     phi1 = 0.;
1105     theta1 = 90.+alpha;
1106     phi2=90.;
1107     theta2 = 90.;
1108     phi3 = (alpha>0) ? 0. : 180.;
1109     theta3 = TMath::Abs(alpha);
1110
1111     AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
1112
1113
1114
1115     gMC->Gspos("TPSC",ncon+41,"TIRC",x1,0.3,7.0625,idrotm[nRotMat],"ONLY");
1116     gMC->Gspos("TPSC",ncon+66,"TIRC",x2,0.3,16.9875,idrotm[nRotMat],"ONLY");
1117
1118
1119     x1 -= 1.316295986;
1120     x2 -= 1.450914854;
1121
1122     alpha -= astep;
1123     nRotMat++;
1124
1125   }
1126
1127   //--------------------------------------------------------------------------
1128   //  TPC Outer Readout Chambers
1129   //  this is NOT a final design
1130   //--------------------------------------------------------------------------
1131
1132   dm[0]= 23.3875;
1133   dm[1]= 43.524;
1134   dm[2]= 1.5; //thickness
1135   dm[3]= 57.1;
1136
1137   gMC->Gsvolu("TORC","TRD1",idtmed[4],dm,4);
1138
1139   //------------------------------------------------
1140   // Tpc Outer readout chamber Pad Plane
1141   //------------------------------------------------
1142
1143   dm[2]= 0.5;
1144
1145   gMC->Gsvolu("TOPP","TRD1",idtmed[12],dm,4);
1146
1147   dm[0] -= 1.218511934;
1148   dm[1] -= 1.218511934;
1149   dm[2] = 0.35;
1150
1151   gMC->Gsvolu("TOC3","TRD1",idtmed[1],dm,4);
1152
1153   gMC->Gspos("TOC3",1,"TOPP",0.,0.15,0.,0,"ONLY");
1154
1155   gMC->Gspos("TOPP",1,"TORC",0.,1.0,0.,0,"ONLY");
1156
1157   // empty space
1158
1159   dm[0]= 21.035;
1160   dm[1]= 38.7205;
1161   dm[2]= 0.7;
1162   dm[3]= 50.15;
1163
1164   gMC->Gsposp("TRCE",10,"TORC",0.,-0.8,-2.15,0,"ONLY",dm,4);
1165
1166   dm[0]= 22.2935;
1167   dm[1]= 40.5085;
1168   dm[2]= 2.25;
1169   dm[3]= 51.65;
1170
1171   gMC->Gsvolu("TOC1","TRD1",idtmed[4],dm,4);
1172
1173   dm[0]= 21.35;
1174   dm[1]= 38.7205;
1175   dm[2]= 2.25;
1176   dm[3]= 50.15;
1177
1178   gMC->Gsposp("TRCE",11,"TOC1",0.,0.,0.,0,"ONLY",dm,4);
1179
1180   //-----------------------------------------------
1181   // Tpc Services Support Wheel
1182   //-----------------------------------------------
1183
1184   dm[0]=0.;
1185   dm[1]=360.;
1186   dm[2]=18.;
1187   dm[3]=2.;
1188
1189   dm[4]= -5.;
1190   dm[5]= 77.017;
1191   dm[6]= 255.267;
1192
1193   dm[7]= 5.;
1194   dm[8]= dm[5];
1195   dm[9]= dm[6];
1196
1197   gMC->Gsvolu("TSSW","PGON",idtmed[4],dm,10);
1198
1199   // Tpc Services Wheel Cover
1200
1201   dm[4]= -0.5;
1202   dm[7]= 0.5;
1203
1204   gMC->Gsvolu("TSWC","PGON",idtmed[4],dm,10);
1205
1206   // Tpc Service wheel Cover Empty space
1207
1208   dm[0]= 10.99;
1209   dm[1]= 39.599;
1210   dm[2]= .5;
1211   dm[3]= 81.125;
1212
1213   gMC->Gsvolu("TSCE","TRD1",idtmed[0],dm,4);
1214
1215   // Tpc services Wheel Empty Spaces
1216
1217   dm[0]= 13.18017507;
1218   dm[1]= 44.61045938;
1219   dm[2]= 4.;
1220   dm[3]= 89.125;
1221
1222   gMC->Gsvolu("TWES","TRD1",idtmed[0],dm,4);
1223
1224   // Tpc Services Wheel Bars
1225
1226   gMC->Gsvolu("TSWB","TRD1",idtmed[4],dm,0);
1227
1228   // bars-> TWES
1229
1230   dm[2]= 4.;
1231   dm[3]= .4;
1232
1233   dm[0]= 13.8149522;
1234   dm[1]= 13.95601379;
1235
1236   gMC->Gsposp("TSWB",1,"TWES",0.,0.,-85.125,0,"ONLY",dm,4);
1237
1238   dm[0]= 43.83462067;
1239   dm[1]= 43.97568225;
1240
1241   gMC->Gsposp("TSWB",2,"TWES",0.,0.,85.125,0,"ONLY",dm,4);
1242
1243   // TPc ELectronics - right now 30% X0 Si
1244
1245   dm[0]= 14.03813696;
1246   dm[1]= 43.3524075;
1247   dm[2]= 1.404;
1248   dm[3]= 83.125;
1249
1250   gMC->Gsvolu("TPEL","TRD1",idtmed[11],dm,4);
1251   gMC->Gspos("TPEL",1,"TWES",0.,0.,0.,0,"ONLY");
1252
1253   //--------------------------------------------------------------------------
1254   //  End caps
1255   //--------------------------------------------------------------------------
1256
1257   // TPc Main Wheel - Al
1258
1259   dm[0]= 74.9;
1260   dm[1]= 264.4;
1261   dm[2]= 3.0;
1262
1263   gMC->Gsvolu("TPMW","TUBE",idtmed[4],dm,3);
1264
1265   //--------------------------------------------------------------------------
1266   //  Tpc Empty Space for the Readout chambers
1267   //--------------------------------------------------------------------------
1268
1269   Float_t rLow= 86.2;
1270   Float_t rUp= 243.5;
1271   Float_t dR = 0.5*(rUp-rLow);
1272
1273   space= 1.5/cosAlpha; // wheel ribs are 3.0 cm wide
1274
1275   dm[0]= rLow*tanAlpha-space;
1276   dm[1]= rUp*tanAlpha-space;
1277   dm[2] = 3.0;
1278   dm[3]= dR;
1279
1280   gMC->Gsvolu("TESR","TRD1",idtmed[0],dm,4);
1281
1282   // TIC1->TESR
1283
1284   gMC->Gspos("TIC1",1,"TESR",0.,0.75,-dR+23.97,0,"ONLY");
1285
1286   // TOC1->TESR
1287
1288   gMC->Gspos("TOC1",1,"TESR",0.,0.75,dR-55.02,0,"ONLY");
1289
1290   // Tpc Empty Space Bars - Al (daughters of TESR)
1291
1292   Float_t zBar;
1293
1294   gMC->Gsvolu("TESB","TRD1",idtmed[4],dm,0);
1295
1296   // lower bar
1297
1298   dm[0]= rLow*tanAlpha-space;
1299   dm[1]= 88.7*tanAlpha-space;
1300   dm[2]= 2.25;
1301   dm[3]= 1.275;
1302
1303   zBar = -dR+dm[3];
1304
1305   gMC->Gsposp("TESB",1,"TESR",0.,0.75,zBar,0,"ONLY",dm,4);
1306
1307   // middle bar
1308
1309   dm[0]= 131.65*tanAlpha-space;
1310   dm[1]= 136.5*tanAlpha-space;
1311   dm[3]= 2.425;
1312
1313   zBar = -dR +131.65+dm[3]-rLow;
1314
1315   gMC->Gsposp("TESB",2,"TESR",0.,0.75,zBar,0,"ONLY",dm,4);
1316
1317   // upper bar
1318
1319   dm[0]= 240.4*tanAlpha-space;
1320   dm[1]= rUp*tanAlpha-space;
1321   dm[3]= 1.55;
1322
1323   zBar = dR-dm[3];
1324
1325   gMC->Gsposp("TESB",3,"TESR",0.,0.75,zBar,0,"ONLY",dm,4);
1326
1327   //  positioning of the empty spaces into the main wheel
1328
1329   Float_t rCenter,xc,yc;
1330   Float_t rInner,rOuter; // center of the inner and outer chamber
1331
1332   rCenter = rLow+dR;
1333
1334   rInner = 108.07;
1335   rOuter = 190.68;
1336
1337
1338   for(Int_t ns=0; ns<nInnerSector;ns++){
1339
1340     phi1 = ns * innerOpenAngle + innerAngleShift;
1341     phi1 *= kRaddeg; // in degrees
1342
1343     phi1 = (Float_t)TMath::Nint(phi1) + 270.;
1344
1345     if (phi1 > 360.) phi1 -= 360.;
1346
1347     theta1 = 90.;
1348     phi2   = 90.;
1349     theta2 = 180.;
1350     phi3   = ns * innerOpenAngle + innerAngleShift;
1351     phi3 *= kRaddeg; // in degrees
1352
1353     phi3 = (Float_t)TMath::Nint(phi3);
1354
1355     if(phi3 > 360.) phi3 -= 360.;
1356
1357     theta3 = 90.;
1358
1359     // "holes"->End plate
1360
1361     xc = rCenter*TMath::Cos(phi3*kDegrad);
1362     yc = rCenter*TMath::Sin(phi3*kDegrad);
1363
1364     AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
1365
1366     gMC->Gspos("TESR",ns+1,"TPMW",xc,yc,0.,idrotm[nRotMat],"ONLY");
1367
1368     // TSCE->TSWC (services wheel volumes)
1369
1370     xc = 166.142*TMath::Cos(phi3*kDegrad);
1371     yc = 166.142*TMath::Sin(phi3*kDegrad);
1372
1373     gMC->Gspos("TSCE",ns+1,"TSWC",xc,yc,0.,idrotm[nRotMat],"ONLY");
1374     gMC->Gspos("TWES",ns+1,"TSSW",xc,yc,0.,idrotm[nRotMat],"ONLY");
1375
1376
1377     // readout chambers->TDGN (drift gas)
1378
1379     xc = rInner*TMath::Cos(phi3*kDegrad);
1380     yc = rInner*TMath::Sin(phi3*kDegrad);
1381
1382     gMC->Gspos("TIRC",ns+1,"TDGN",xc,yc,252.,idrotm[nRotMat],"ONLY");
1383
1384     xc = rOuter*TMath::Cos(phi3*kDegrad);
1385     yc = rOuter*TMath::Sin(phi3*kDegrad);
1386
1387     gMC->Gspos("TORC",ns+1,"TDGN",xc,yc,252.1,idrotm[nRotMat],"ONLY");
1388
1389     nRotMat++;
1390
1391     theta2 = 0.; // reflection
1392
1393     AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
1394
1395     xc = rInner*TMath::Cos(phi3*kDegrad);
1396     yc = rInner*TMath::Sin(phi3*kDegrad);
1397
1398     gMC->Gspos("TIRC",ns+nInnerSector+1,"TDGN",xc,yc,-252.,idrotm[nRotMat],"ONLY");
1399
1400     xc = rOuter*TMath::Cos(phi3*kDegrad);
1401     yc = rOuter*TMath::Sin(phi3*kDegrad);
1402
1403     gMC->Gspos("TORC",ns+nOuterSector+1,"TDGN",xc,yc,-252.1,idrotm[nRotMat],"ONLY");
1404
1405     nRotMat++;
1406
1407   }
1408   // TPMW->TPC
1409
1410   gMC->Gspos("TPMW",1,"TPC ",0.,0.,256.6,0,"ONLY");
1411   gMC->Gspos("TPMW",2,"TPC ",0.,0.,-256.6,idrotm[0],"ONLY");
1412
1413   //---------------------------------------------------------
1414   //  Tpc High Voltage Membrane - 100 microns of mylar
1415   //---------------------------------------------------------
1416
1417   dm[0]=82.8;
1418   dm[1]=252.;
1419   dm[2]=0.005;
1420
1421   gMC->Gsvolu("THVM","TUBE",idtmed[8],dm,3);
1422
1423   gMC->Gspos("THVM",1,"TDGN",0.,0.,0.,0,"ONLY");
1424
1425   // Tpc High Voltage membrane Holders
1426
1427   gMC->Gsvolu("THVH","TUBE",idtmed[4],dm,0);
1428
1429
1430
1431   // inner
1432
1433   dm[0]=79.3;
1434   dm[1]=82.8;
1435   dm[2]=0.2;
1436
1437   gMC->Gsposp("THVH",1,"TDGN",0.,0.,0.,0,"ONLY",dm,3);
1438
1439   // outer
1440
1441   dm[0]= 252.;
1442   dm[1]= 257.9;
1443   dm[2]= 0.4;
1444
1445   gMC->Gsposp("THVH",2,"TDGN",0.,0.,0.,0,"ONLY",dm,3);
1446
1447   //----------------------------------------------------------
1448   // TPc Support Rods - MAKROLON
1449   //----------------------------------------------------------
1450
1451   dm[0]= 0.9;
1452   dm[1]= 1.2;
1453
1454   gMC->Gsvolu("TPSR","TUBE",idtmed[7],dm,0); // inner and outer rods differ
1455
1456
1457   for(Int_t nrod=0;nrod<18;nrod++){
1458     Float_t angle=innerOpenAngle*(Float_t)nrod;
1459
1460     xc=81.5*TMath::Cos(angle);
1461     yc=81.5*TMath::Sin(angle);
1462
1463     dm[2]=126.7;
1464
1465     gMC->Gsposp("TPSR",nrod+1,"TDGN",xc,yc,126.9,0,"ONLY",dm,3);
1466     gMC->Gsposp("TPSR",nrod+19,"TDGN",xc,yc,-126.9,0,"ONLY",dm,3);
1467
1468     dm[2]=126.6;
1469
1470     xc=254.25*TMath::Cos(angle);
1471     yc=254.25*TMath::Sin(angle);
1472
1473     // rod number 54 contans the HV cable
1474
1475     if(nrod<17) {
1476       gMC->Gsposp("TPSR",nrod+37,"TDGN",xc,yc,127.,0,"ONLY",dm,3);
1477       gMC->Gsposp("TPSR",nrod+54,"TDGN",xc,yc,-127.,0,"ONLY",dm,3);
1478     }
1479
1480   }
1481
1482   //----------------------------------------------------------
1483   // Tpc High Voltage Rod - MAKROLON + Copper cable
1484   //----------------------------------------------------------
1485
1486   // rod with cable (Left)
1487
1488   dm[0]=0.;
1489   dm[1]=2.25;
1490   dm[2]=126.6;
1491
1492   gMC->Gsvolu("THVL","TUBE",idtmed[7],dm,3);
1493
1494   // HV cable
1495
1496   dm[0]=0.;
1497   dm[1]=0.3;
1498   dm[2]=126.6;
1499
1500   gMC->Gsvolu("THVC","TUBE",idtmed[10],dm,3);
1501
1502   // empty space
1503
1504   dm[0]=0.3;
1505   dm[1]=1.;
1506   dm[2]=126.6;
1507
1508   gMC->Gsvolu("THVE","TUBE",idtmed[1],dm,3);
1509
1510   gMC->Gspos("THVC",1,"THVL",0.,0.,0.,0,"ONLY");
1511   gMC->Gspos("THVE",1,"THVL",0.,0.,0.,0,"ONLY");
1512
1513   // rod without cable
1514
1515   dm[0]=1.8;
1516   dm[1]=2.25;
1517   dm[2]=126.6;
1518
1519   gMC->Gsvolu("THVR","TUBE",idtmed[7],dm,3);
1520
1521   gMC->Gspos("THVL",1,"TDGN",xc,yc,-127.,0,"ONLY");
1522   gMC->Gspos("THVR",1,"TDGN",xc,yc,127.,0,"ONLY");
1523
1524   gMC->Gspos("TDGN",1,"TPC ",0.,0.,0.,0,"ONLY");
1525
1526   // services wheel cover -> wheel
1527
1528
1529   gMC->Gspos("TSWC",1,"TSSW",0.,0.,4.5,0,"ONLY");
1530   gMC->Gspos("TSWC",2,"TSSW",0.,0.,-4.5,0,"ONLY");
1531
1532
1533   // put the wheel into the TPC
1534
1535   gMC->Gspos("TSSW",1,"TPC ",0.,0.,278.7,0,"ONLY");
1536   gMC->Gspos("TSSW",2,"TPC ",0.,0.,-278.7,0,"ONLY");
1537
1538   //
1539
1540   gMC->Gsord("TPMW",6);
1541   gMC->Gsord("TSSW",6);
1542   gMC->Gsord("TSWC",6);
1543
1544   // put the TPC into ALIC (main mother volume)
1545
1546   gMC->Gspos("TPC ",1,"ALIC",0.,0.,0.,0,"ONLY");
1547
1548 } // end of function
1549
1550
1551 //_____________________________________________________________________________
1552 void AliTPCv0::CreateMaterials()
1553 {
1554   //
1555   // Define materials for the TPC
1556   //
1557   AliTPC::CreateMaterials();
1558 }
1559
1560 //_____________________________________________________________________________
1561 void AliTPCv0::DrawDetector()
1562 {
1563   //
1564   // Draw a shaded view of the Time Projection Chamber version 0
1565   //
1566
1567   // Set everything unseen
1568   gMC->Gsatt("*", "seen", -1);
1569   //
1570   // Set ALIC mother transparent
1571   gMC->Gsatt("ALIC","SEEN",0);
1572   //
1573   // Set the volumes visible
1574   gMC->Gsatt("TPC ","SEEN",0);
1575   gMC->Gsatt("TOIN","SEEN",1);
1576   gMC->Gsatt("TOIN","COLO",7);
1577   gMC->Gsatt("TOCV","SEEN",1);
1578   gMC->Gsatt("TOCV","COLO",4);
1579   gMC->Gsatt("TSA1","SEEN",0);
1580   gMC->Gsatt("TSA2","SEEN",0);
1581   gMC->Gsatt("TSA3","SEEN",0);
1582   gMC->Gsatt("TSA4","SEEN",0);
1583   gMC->Gsatt("TSA5","SEEN",0);
1584   gMC->Gsatt("TOFC","SEEN",1);
1585   gMC->Gsatt("TOFC","COLO",4);
1586   gMC->Gsatt("TSA6","SEEN",0);
1587   gMC->Gsatt("TSA7","SEEN",0);
1588   gMC->Gsatt("TSA8","SEEN",0);
1589   gMC->Gsatt("TIIN","SEEN",1);
1590   gMC->Gsatt("TIIN","COLO",7);
1591   gMC->Gsatt("TII1","SEEN",0);
1592   gMC->Gsatt("TIFC","SEEN",1);
1593   gMC->Gsatt("TIFC","COLO",4);
1594   gMC->Gsatt("TSA9","SEEN",0);
1595   gMC->Gsatt("TS10","SEEN",0);
1596   gMC->Gsatt("TS11","SEEN",0);
1597   gMC->Gsatt("TS12","SEEN",0);
1598   gMC->Gsatt("TS13","SEEN",0);
1599   gMC->Gsatt("TS14","SEEN",0);
1600   gMC->Gsatt("TICC","SEEN",0);
1601   gMC->Gsatt("TICM","SEEN",0);
1602   gMC->Gsatt("TS15","SEEN",0);
1603   gMC->Gsatt("TS16","SEEN",0);
1604   gMC->Gsatt("TS17","SEEN",0);
1605   gMC->Gsatt("TS18","SEEN",0);
1606   gMC->Gsatt("TS19","SEEN",0);
1607   gMC->Gsatt("TPJ1","SEEN",0);
1608   gMC->Gsatt("TPJ2","SEEN",0);
1609   gMC->Gsatt("TICS","SEEN",0);
1610   gMC->Gsatt("TDGN","SEEN",0);
1611   gMC->Gsatt("TIRC","SEEN",0);
1612   gMC->Gsatt("TIC1","SEEN",1);
1613   gMC->Gsatt("TIPP","SEEN",0);
1614   gMC->Gsatt("TIC3","SEEN",0);
1615   gMC->Gsatt("TRCE","SEEN",0);
1616   gMC->Gsatt("TPSC","SEEN",0);
1617   gMC->Gsatt("TPCC","SEEN",0);
1618   gMC->Gsatt("TORC","SEEN",0);
1619   gMC->Gsatt("TOPP","SEEN",0);
1620   gMC->Gsatt("TOC3","SEEN",0);
1621   gMC->Gsatt("TOC1","SEEN",1);
1622   gMC->Gsatt("TSSW","SEEN",1);
1623   gMC->Gsatt("TSWC","SEEN",1);
1624   gMC->Gsatt("TSSW","COLO",3);
1625   gMC->Gsatt("TSWC","COLO",3);
1626   gMC->Gsatt("TSCE","COLO",6);
1627   gMC->Gsatt("TSCE","SEEN",1);
1628   gMC->Gsatt("TWES","SEEN",0);
1629   gMC->Gsatt("TSWB","SEEN",0);
1630   gMC->Gsatt("TPEL","SEEN",0);
1631   gMC->Gsatt("TPMW","SEEN",1);
1632   gMC->Gsatt("TESR","SEEN",1);
1633   gMC->Gsatt("TPMW","COLO",12);
1634   gMC->Gsatt("TIC1","COLO",5);
1635   gMC->Gsatt("TOC1","COLO",5);
1636   gMC->Gsatt("TESB","SEEN",0);
1637   gMC->Gsatt("THVM","SEEN",1);
1638   gMC->Gsatt("THVM","COLO",11);
1639   gMC->Gsatt("THVH","SEEN",0);
1640   gMC->Gsatt("TPSR","SEEN",0);
1641   gMC->Gsatt("THVL","SEEN",0);
1642   gMC->Gsatt("THVC","SEEN",0);
1643   gMC->Gsatt("THVE","SEEN",0);
1644   gMC->Gsatt("THVR","SEEN",0);
1645
1646   //
1647   gMC->Gdopt("hide", "on");
1648   gMC->Gdopt("shad", "on");
1649   gMC->Gsatt("*", "fill", 7);
1650   gMC->SetClipBox(".");
1651   gMC->SetClipBox("TPMW",-300,300,-300,300,254.,270.);
1652   gMC->SetClipBox("TESR",-300,300,-300,300,254.,270.);
1653   gMC->SetClipBox("TSSW",-300,300,-300,300,283.,284.);
1654   gMC->SetClipBox("TSWC",-300,300,-300,300,283.,284.);
1655   gMC->SetClipBox("*", 0, 300, -300, 300, -290, 290);
1656   gMC->DefaultRange();
1657   gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .025, .025);
1658   gMC->Gdhead(1111, "Time Projection Chamber");
1659   gMC->Gdman(18, 4, "MAN");
1660   gMC->Gdopt("hide","off");
1661 }
1662
1663 //_____________________________________________________________________________
1664 void AliTPCv0::Init()
1665 {
1666   //
1667   // Initialise Time Projection Chamber version 0
1668   //
1669
1670   printf("%s: *** TPC version 0 initialized***\n",ClassName());
1671
1672   //  printf("TPC version 0 initialized\n");
1673 }
1674
1675 //_____________________________________________________________________________
1676 void AliTPCv0::StepManager()
1677 {
1678   //
1679   // Procedure called at each step in the TPC
1680   //
1681 }