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