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