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 1.21  2000/11/14 10:48:57  kowal2
  19 Correct material used for TSA4. Thanks to J. Barbosa.
  20
  21 Revision 1.20  2000/11/06 17:24:10  kowal2
  22 Corrected bug in the outer containment vessel and
  23 the outer field cage geometry.
  24 Thanks to J. Barbosa.
  25
  26 Revision 1.19  2000/11/02 16:55:24  kowal2
  27 Corrected bug in the inner containment vessel geometry.
  28 Thanks to J. Belikov
  29
  30 Revision 1.18  2000/11/02 07:24:11  kowal2
  31 Correction in the TPC geometry.
  32 Changes due to the new hit structure.
  33
  34 Revision 1.17  2000/07/10 20:57:39  hristov
  35 Update of TPC code and macros by M.Kowalski
  36
  37 Revision 1.16  2000/06/30 12:07:50  kowal2
  38 Updated from the TPC-PreRelease branch
  39
  40 Revision 1.15.2.4  2000/06/26 07:39:42  kowal2
  41 Changes to obey the coding rules
  42
  43 Revision 1.15.2.3  2000/06/25 08:38:41  kowal2
  44 Splitted from AliTPCtracking
  45
  46 Revision 1.15.2.2  2000/06/16 12:58:13  kowal2
  47 Changed parameter settings
  48
  49 Revision 1.15.2.1  2000/06/09 07:15:07  kowal2
  50
  51 Defaults loaded automatically (hard-wired)
  52 Optional parameters can be set via macro called in the constructor
  53
  54 Revision 1.15  2000/05/15 10:00:30  kowal2
  55 Corrected bug in the TPC geometry, thanks to Ivana Hrivnacova
  56
  57 Revision 1.14  2000/04/17 09:37:33  kowal2
  58 removed obsolete AliTPCDigitsDisplay.C
  59
  60 Revision 1.13.8.2  2000/04/10 08:33:44  kowal2
  61
  62 Updated readout chambers
  63
  64 Revision 1.13.8.1  2000/04/10 07:56:53  kowal2
  65 Not used anymore - removed
  66
  67 Revision 1.13  1999/11/04 17:28:06  fca
  68 Correct barrel part of HV Degrader
  69
  70 Revision 1.12  1999/10/08 06:27:23  fca
  71 Corrected bug in the HV degrader geometry, thanks to G.Tabary
  72
  73 Revision 1.11  1999/10/04 13:39:54  fca
  74 Correct array index problem
  75
  76 Revision 1.10  1999/09/29 09:24:34  fca
  77 Introduction of the Copyright and cvs Log
  78
  79 */
  80 //
  81
  82 ///////////////////////////////////////////////////////////////////////////////
  83 //                                                                           //
  84 //  Time Projection Chamber version 0 -- "coarse" TPC                        //
  85 //                                                                           //
  86 //Begin_Html
  87 /*
  88 <img src="picts/AliTPCv0Class.gif">
  89 */
  90 //End_Html
  91 //                                                                           //
  92 //                                                                           //
  93 ///////////////////////////////////////////////////////////////////////////////
  94
  95 #include <TMath.h>
  96 #include <TGeometry.h>
  97 #include <TNode.h>
  98 #include <TTUBE.h>
  99 #include "AliTPCv0.h"
 100 #include "AliRun.h"
 101 #include <iostream.h>
 102 #include <fstream.h>
 103 #include "AliMC.h"
 104 #include "AliConst.h"
 105
 106 #include "AliTPCParamSR.h"
 107 #include "AliTPCDigitsArray.h"
 108
 109 ClassImp(AliTPCv0)
 110
 111 //_____________________________________________________________________________
 112 AliTPCv0::AliTPCv0(const char *name, const char *title)
 113          :AliTPC(name, title)
 114 {
 115   //
 116   // Standard creator for TPC version 0
 117   //
 118
 119   SetGasMixt(2,20,10,-1,0.9,0.1,0.);
 120
 121   if (fTPCParam)
 122      fTPCParam->Write(fTPCParam->GetTitle());
 123 }
 124
 125 //_____________________________________________________________________________
 126 void AliTPCv0::CreateGeometry()
 127 {
 128   //
 129   // Creation of the TPC version 0, i.e. no sensitive volumes,
 130   // only the material distribution
 131   //
 132   //Begin_Html
 133   /*
 134     <img src="picts/AliTPC.gif">
 135   */
 136   //End_Html
 137   //Begin_Html
 138   /*
 139     <img src="picts/AliTPCv0Tree.gif">
 140   */
 141   //End_Html
 142
 143   //---------------------------------------------------------------
 144   //  TPC geometry
 145   //
 146   //  Origin: Marek Kowalski, INP Cracow
 147   //  Marek.Kowalski@ifj.edu.pl
 148   //---------------------------------------------------------------
 149
 150   Float_t dm[50];
 151
 152   Int_t *idtmed = fIdtmed->GetArray(); // TPC media
 153
 154   Int_t idrotm[120]; // rotation matrices
 155
 156   Int_t nRotMat = 0; // actual number of rotation matrices
 157
 158
 159   //
 160   //  Mother volume (Air) - all volumes will be positioned in it
 161   //
 162
 163   dm[0]=0.;
 164   dm[1]=360.;
 165   dm[2]=12.;
 166
 167   //
 168
 169   dm[3]= -283.7;
 170   dm[4]= 66.2;
 171   dm[5]= 277.95;
 172
 173   //
 174
 175   dm[6]= -255.6;
 176   dm[7]= 66.2;
 177   dm[8]= 277.95;
 178
 179   //
 180
 181   dm[9]= -73.3;
 182   dm[10]= 59.0;
 183   dm[11]= 277.95;
 184
 185   //
 186
 187   dm[12]= -73.3;
 188   dm[13]= 56.9;
 189   dm[14]= 277.95;
 190
 191   //
 192
 193   dm[15]= -72.1;
 194   dm[16]= 56.9;
 195   dm[17]= 277.95;
 196
 197   //
 198
 199   dm[18]= -72.1;
 200   dm[19]= 60.65;
 201   dm[20]= 277.95;
 202
 203   //
 204
 205   dm[21]= 72.1;
 206   dm[22]= 60.65;
 207   dm[23]= 277.95;
 208
 209   //
 210
 211   dm[24]= 72.1;
 212   dm[25]= 56.9;
 213   dm[26]= 277.95;
 214
 215   //
 216
 217   dm[27]= 73.3;
 218   dm[28]= 56.9;
 219   dm[29]= 277.95;
 220
 221   //
 222
 223   dm[30]= 73.3;
 224   dm[31]= 59.;
 225   dm[32]= 277.95;
 226
 227   //
 228
 229   dm[33]= 250.4;
 230   dm[34]= 66.0;
 231   dm[35]= 277.95;
 232
 233   //
 234
 235   dm[36]= 283.7;
 236   dm[37]= 66.0;
 237   dm[38]= 277.95;
 238
 239
 240   gMC->Gsvolu("TPC ","PCON",idtmed[0],dm,39);
 241
 242
 243   //-------------------------------------------------------------------
 244   //  Tpc Outer INsulator (CO2)
 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]= 266.65;
 256
 257   //
 258
 259   dm[6]= -253.;
 260   dm[7]= 258.;
 261   dm[8]= 266.65;
 262
 263   dm[9]= -253.;
 264   dm[10]= 258.;
 265   dm[11]= 277.97;
 266
 267   dm[12]= 253.6;
 268   dm[13]= 258.;
 269   dm[14]= 277.97;
 270
 271   //
 272
 273   dm[15]= 253.6;
 274   dm[16]= 265.2;
 275   dm[17]= 277.95;
 276
 277   //
 278
 279   dm[18]= 255.6;
 280   dm[19]= 265.2;
 281   dm[20]= 277.95;
 282
 283
 284   gMC->Gsvolu("TOIN","PCON",idtmed[3],dm,21);
 285
 286   //---------------------------------------------------------------
 287   // shreds (G10) - TPC Rings
 288   //---------------------------------------------------------------
 289
 290   gMC->Gsvolu("TPCR","TUBE",idtmed[12],dm,0);
 291
 292   dm[0]= 258.;
 293   dm[1]= 266.65;
 294   dm[2]= 0.3;
 295
 296   gMC->Gsposp("TPCR",1,"TOIN",0.,0.,-253.3,0,"ONLY",dm,3); // left bottom
 297
 298   //
 299
 300   dm[0]= 258.;
 301   dm[1]= 270.9;
 302   dm[2]= 0.3;
 303
 304   gMC->Gsposp("TPCR",2,"TOIN",0.,0.,253.3,0,"ONLY",dm,3); // right
 305
 306   //
 307
 308   dm[0]= 272.2;
 309   dm[1]= 277.95;
 310   dm[2]= 0.3;
 311
 312   gMC->Gsposp("TPCR",3,"TOIN",0.,0.,-250.7,0,"ONLY",dm,3); // left top
 313
 314   //----------------------------------------------------------------
 315   // Tpc Outer Contaiment Vessel
 316   //  mother volume - Al, daughters - composite (sandwich)
 317   //----------------------------------------------------------------
 318
 319   dm[0]= 0.;
 320   dm[1]= 360.;
 321   dm[2]=6.;
 322
 323   //
 324
 325   dm[3]= -250.4;
 326   dm[4]= 272.2;
 327   dm[5]= 277.95;
 328
 329   //
 330
 331   dm[6]= -248.4;
 332   dm[7]= 272.2;
 333   dm[8]= 277.95;
 334
 335   //
 336   dm[9]= -248.4;
 337   dm[10]= 274.81;
 338   dm[11]= 277.95;
 339
 340
 341   //
 342
 343   dm[12]= 253.6;
 344   dm[13]= 274.81;
 345   dm[14]= 277.95;
 346
 347   //
 348
 349   dm[15]= 253.6;
 350   dm[16]= 265.2;
 351   dm[17]= 277.95;
 352
 353   //
 354
 355   dm[18]= 255.6;
 356   dm[19]= 265.2;
 357   dm[20]= 277.95;
 358
 359   gMC->Gsvolu("TOCV","PCON",idtmed[4],dm,21);
 360
 361   // Daughter volumes
 362
 363   // Tpc SAndwich 1 - Al
 364
 365   dm[0]= 274.81;
 366   dm[1]= 277.95;
 367   dm[2]= 251.7;
 368
 369   gMC->Gsvolu("TSA1","TUBE",idtmed[4],dm,3);
 370
 371   // Tpc SAndwich 2 - Tedlar
 372
 373   dm[0] += 5.e-3;
 374   dm[1] -= 5.e-3;
 375
 376   gMC->Gsvolu("TSA2","TUBE",idtmed[9],dm,3);
 377
 378   // Tpc SAndwich 3 - Kevlar
 379
 380   dm[0] += 5e-3;
 381   dm[1] -= 5.e-3;
 382
 383   gMC->Gsvolu("TSA3","TUBE",idtmed[5],dm,3);
 384
 385   // Tpc SAndwich 4 - NOMEX honeycomb
 386
 387   dm[0] += 0.06;
 388   dm[1] -= 0.06;
 389
 390   gMC->Gsvolu("TSA4","TUBE",idtmed[6],dm,3);
 391
 392   // 4->3->2->1->TOCV
 393
 394   gMC->Gspos("TSA4",1,"TSA3",0.,0.,0.,0,"ONLY");
 395   gMC->Gspos("TSA3",1,"TSA2",0.,0.,0.,0,"ONLY");
 396   gMC->Gspos("TSA2",1,"TSA1",0.,0.,0.,0,"ONLY");
 397
 398   gMC->Gspos("TSA1",1,"TOCV",0.,0.,2.6,0,"ONLY");
 399
 400   // TCOV-> TOIN
 401
 402   gMC->Gspos("TOCV",1,"TOIN",0.,0.,0.,0,"ONLY");
 403
 404   //-------------------------------------------------------
 405   //  Tpc Outer Field Cage
 406   //  mother volume - Al, daughters - composite (sandwich)
 407   //-------------------------------------------------------
 408
 409   dm[0]=0.;
 410   dm[1]=360.;
 411   dm[2]=6.;
 412
 413   dm[3]= -253.;
 414   dm[4]= 258.;
 415   dm[5]= 277.95;
 416
 417   //
 418
 419   dm[6]= -251.;
 420   dm[7]= 258.;
 421   dm[8]= 277.95;
 422
 423   //
 424
 425   dm[9]= -251.;
 426   dm[10]= 258.;
 427   dm[11]= 260.05;
 428
 429   //
 430
 431   dm[12]= 251.;
 432   dm[13]= 258.;
 433   dm[14]= 260.05;
 434
 435   //
 436
 437   dm[15]= 251.;
 438   dm[16]= 258.;
 439   dm[17]= 270.9;
 440
 441   //
 442
 443   dm[18]= 253.;
 444   dm[19]= 258.;
 445   dm[20]= 270.9;
 446
 447   gMC->Gsvolu("TOFC","PCON",idtmed[4],dm,21);
 448
 449   // Daughter volumes
 450
 451   // Tpc SAndwich 5 - Tedlar
 452
 453   dm[0]= 258.;
 454   dm[1]= 260.05;
 455   dm[2]= 251.7;
 456
 457   gMC->Gsvolu("TSA5","TUBE",idtmed[9],dm,3);
 458
 459   // Tpc SAndwich 6 - Kevlar
 460
 461   dm[0] += 5.e-3;
 462   dm[1] -= 5.e-3;
 463
 464   gMC->Gsvolu("TSA6","TUBE",idtmed[5],dm,3);
 465
 466
 467   // Tpc SAndwich 7 - NOMEX
 468
 469   dm[0] += 0.02;
 470   dm[1] -= 0.02;
 471
 472   gMC->Gsvolu("TSA7","TUBE",idtmed[6],dm,3);
 473
 474   // 7->6->5->TOFC
 475
 476   gMC->Gspos("TSA7",1,"TSA6",0.,0.,0.,0,"ONLY");
 477   gMC->Gspos("TSA6",1,"TSA5",0.,0.,0.,0,"ONLY");
 478
 479   gMC->Gspos("TSA5",1,"TOFC",0.,0.,0.,0,"ONLY");
 480
 481   // TOFC->TOIN
 482
 483   gMC->Gspos("TOFC",1,"TOIN",0.,0.,0.,0,"ONLY");
 484
 485   // TOIN->TPC
 486
 487   gMC->Gspos("TOIN",1,"TPC ",0.,0.,0.,0,"ONLY");
 488
 489   //--------------------------------------------------------------------
 490   // Tpc Inner INsulator (CO2)
 491   //--------------------------------------------------------------------
 492
 493
 494   dm[0]=0.;
 495   dm[1]= 360.;
 496   dm[2]= 15.;
 497
 498   //
 499
 500   dm[3]= -255.6;
 501   dm[4]= 66.2;
 502   dm[5]= 74.8;
 503
 504   //
 505
 506   Float_t tanL = (66.2-59.0)/(255.6-73.3); // tangent of the left cone part
 507
 508   dm[6]= -253.6;
 509   dm[7]= 59.0+ (253.6-73.3)*tanL;
 510   dm[8]= 74.8;
 511
 512   //
 513
 514   dm[9]= -253.6;
 515   dm[10]= dm[7];
 516   dm[11]= 79.2;
 517
 518   //
 519
 520   dm[12]= -73.3;
 521   dm[13]= 59.0;
 522   dm[14]= 79.2;
 523
 524   //
 525
 526   dm[15]= -73.3;
 527   dm[16]= 56.9;
 528   dm[17]= 79.2;
 529
 530   //
 531
 532   dm[18]= -72.1;
 533   dm[19]= 59.6;
 534   dm[20]= 79.2;
 535
 536   //
 537
 538   dm[21]= -72.1;
 539   dm[22]= 60.65;
 540   dm[23]= 79.2;
 541
 542   //
 543
 544   dm[24]= 72.1;
 545   dm[25]= 60.65;
 546   dm[26]= 79.2;
 547
 548   //
 549
 550   dm[27]= 72.1;
 551   dm[28]= 59.6;
 552   dm[29]= 79.2;
 553
 554   //
 555
 556   dm[30]= 73.3;
 557   dm[31]= 56.9;
 558   dm[32]= 79.2;
 559
 560   //
 561
 562   dm[33]= 73.3;
 563   dm[34]= 59.0;
 564   dm[35]= 79.2;
 565
 566   //
 567
 568   dm[36]= 250.4;
 569   dm[37]= 66.0;
 570   dm[38]= 79.2;
 571
 572   //
 573
 574   dm[39]= 253.0;
 575   dm[40]= 66.0;
 576   dm[41]= 79.2;
 577
 578   //
 579
 580   dm[42]= 253.0;
 581   dm[43]= 75.3;
 582   dm[44]= 79.2;
 583
 584   //
 585
 586   dm[45]= 253.6;
 587   dm[46]= 75.3;
 588   dm[47]= 79.2;
 589
 590   gMC->Gsvolu("TIIN","PCON",idtmed[3],dm,48);
 591
 592
 593   //--------------------------------------------------------------------
 594   //  Tpc Inner Containment vessel, Left part
 595   //  mother volume - Al, daughter - composite (sandwich)
 596   //--------------------------------------------------------------------
 597
 598   dm[0]= 0.;
 599   dm[1]= 360.;
 600   dm[2]= 8.;
 601
 602   //
 603
 604   dm[3]= -255.6;
 605   dm[4]= 66.2;
 606   dm[5]= 74.8;
 607
 608   //
 609
 610   Float_t cosL = 1./TMath::Sqrt(1.+tanL*tanL);
 611   Float_t sandThick = 2.14; // cone composite thickness
 612
 613
 614   //
 615
 616   dm[6]= -253.6;
 617   dm[7]= 59.0 + (253.6-73.3)*tanL;
 618   dm[8]= 74.8;
 619
 620   //
 621
 622   dm[9]= -253.6;
 623   dm[10]= dm[7];
 624   dm[11]= dm[7]+sandThick/cosL;
 625
 626   //
 627
 628   dm[12]= -75.6;
 629   dm[13]= 59.0+(75.6-73.3)*tanL;
 630   dm[14]= dm[13]+sandThick/cosL;
 631
 632   //
 633
 634   dm[15]= -75.6;
 635   dm[16]= dm[13];
 636   dm[17]= 60.65;
 637
 638   //
 639
 640   dm[18]= -73.3;
 641   dm[19]= 59.0;
 642   dm[20]= 60.65;
 643
 644   //
 645
 646   dm[21]= -73.3;
 647   dm[22]= 56.9;
 648   dm[23]= 60.65;
 649
 650   //
 651
 652   dm[24]= -72.1;
 653   dm[25]= 56.9;
 654   dm[26]= 60.65;
 655
 656   gMC->Gsvolu("TICL","PCON",idtmed[4],dm,27);
 657
 658   // Daughter volumes
 659
 660   // Tpc SAndwich 9 - Al
 661
 662   dm[0]= 0.;
 663   dm[1]= 360.;
 664   dm[2]= 2.;
 665
 666   //
 667
 668   dm[3]= - 254.3;
 669   dm[4]= 59.0+(254.3-73.3)*tanL;
 670   dm[5]= dm[4]+sandThick/cosL;
 671
 672   //
 673
 674   dm[6]= -78.3;
 675   dm[7]= 59.0+(78.3-73.3)*tanL;
 676   dm[8]= dm[7]+sandThick/cosL;
 677
 678   //
 679
 680   gMC->Gsvolu("TSA9","PCON",idtmed[4],dm,9);
 681
 682   // Tpc SAndwich 10 - Tedlar
 683
 684   dm[4]+= 5.e-3/cosL;
 685   dm[5]-= 5.e-3/cosL;
 686
 687   //
 688
 689   dm[7]+= 5.e-3/cosL;
 690   dm[8]+= 5.e-3/cosL;
 691
 692   gMC->Gsvolu("TS10","PCON",idtmed[9],dm,9);
 693
 694   // Tpc SAndwich 11 - Kevlar
 695
 696   dm[4]+= 5.e-3/cosL;
 697   dm[5]-= 5.e-3/cosL;
 698
 699   //
 700
 701   dm[7]+= 5.e-3/cosL;
 702   dm[8]+= 5.e-3/cosL;
 703
 704   gMC->Gsvolu("TS11","PCON",idtmed[5],dm,9);
 705
 706   // Tpc SAndwich 12 - NOMEX
 707
 708   dm[4]+= 0.06/cosL;
 709   dm[5]-= 0.06/cosL;
 710
 711   //
 712
 713   dm[7]+= 0.06/cosL;
 714   dm[8]+= 0.06/cosL;
 715
 716   gMC->Gsvolu("TS12","PCON",idtmed[6],dm,9);
 717
 718   // 12->11->10->9
 719
 720   gMC->Gspos("TS12",1,"TS11",0.,0.,0.,0,"ONLY");
 721   gMC->Gspos("TS11",1,"TS10",0.,0.,0.,0,"ONLY");
 722   gMC->Gspos("TS10",1,"TSA9",0.,0.,0.,0,"ONLY");
 723
 724   // TSA9->TICL
 725
 726   gMC->Gspos("TSA9",1,"TICL",0.,0.,0.,0,"ONLY");
 727
 728   //--------------------------------------------------------------------
 729   //  Tpc Inner Containment vessel, Right part
 730   //  mother volume - Al, daughter - composite (sandwich)
 731   //--------------------------------------------------------------------
 732
 733   dm[0]= 0.;
 734   dm[1]= 360.;
 735   dm[2]=8.;
 736
 737   //
 738
 739   dm[3]= 72.1;
 740   dm[4]= 56.9;
 741   dm[5]= 60.65;
 742
 743   //
 744
 745   dm[6]= 73.3;
 746   dm[7]= 56.9;
 747   dm[8]= 60.65;
 748
 749   //
 750
 751   dm[9]= 73.3;
 752   dm[10]= 59.0;
 753   dm[11]= 60.65;
 754
 755   //
 756
 757   Float_t tanR = (66.0-59.0)/(250.5-73.3); // to avoid accuracy problems
 758   Float_t cosR = 1./TMath::Sqrt(1.+tanR*tanR); //as above
 759
 760   //
 761
 762   dm[12]= 75.6;
 763   dm[13]= 59.0+(75.6-73.3)*tanR;
 764   dm[14]= 60.65;
 765
 766   //
 767
 768   dm[15]= 75.6;
 769   dm[16]= dm[13];
 770   dm[17]= dm[16]+sandThick/cosR;
 771
 772   //
 773
 774   dm[18]= 248.4;
 775   dm[19]= 59.0+(248.4-73.3)*tanR;
 776   dm[20]= dm[19]+sandThick/cosR;
 777
 778   //
 779
 780   dm[21]= 248.4;
 781   dm[22]= dm[19];
 782   dm[23]= 70.2;
 783
 784   //
 785
 786   dm[24]= 250.4;
 787   dm[25]= 66.0;
 788   dm[26]= 70.2;
 789
 790   gMC->Gsvolu("TICR","PCON",idtmed[4],dm,27);
 791
 792
 793
 794   // Daughter volumes
 795
 796   // Tpc SAndwich 13 - Al
 797
 798   dm[0]= 0.;
 799   dm[1]= 360.;
 800   dm[2]= 2.;
 801
 802   //
 803
 804   dm[3]= 78.3;
 805   dm[4]= 59.0+(78.3-73.3)*tanR;
 806   dm[5]= dm[4]+sandThick/cosR;
 807
 808   //
 809
 810   dm[6]= 249.1;
 811   dm[7]= 59.0+(249.1-73.3)*tanR;
 812   dm[8]= dm[7]+sandThick/cosR;
 813
 814   //
 815
 816   gMC->Gsvolu("TS13","PCON",idtmed[4],dm,9);
 817
 818   // Tpc SAndwich 14 - Tedlar
 819
 820   dm[4]+= 5.e-3/cosR;
 821   dm[5]-= 5.e-3/cosR;
 822
 823   //
 824
 825   dm[7]+= 5.e-3/cosR;
 826   dm[8]+= 5.e-3/cosR;
 827
 828   gMC->Gsvolu("TS14","PCON",idtmed[9],dm,9);
 829
 830   // Tpc SAndwich 15 - Kevlar
 831
 832   dm[4]+= 5.e-3/cosR;
 833   dm[5]-= 5.e-3/cosR;
 834
 835   //
 836
 837   dm[7]+= 5.e-3/cosR;
 838   dm[8]+= 5.e-3/cosR;
 839
 840   gMC->Gsvolu("TS15","PCON",idtmed[5],dm,9);
 841
 842   // Tpc SAndwich 16 - NOMEX
 843
 844   dm[4]+= 0.06/cosR;
 845   dm[5]-= 0.06/cosR;
 846
 847   //
 848
 849   dm[7]+= 0.06/cosR;
 850   dm[8]+= 0.06/cosR;
 851
 852   gMC->Gsvolu("TS16","PCON",idtmed[6],dm,9);
 853
 854   // 16->15->14->13
 855
 856   gMC->Gspos("TS16",1,"TS15",0.,0.,0.,0,"ONLY");
 857   gMC->Gspos("TS15",1,"TS14",0.,0.,0.,0,"ONLY");
 858   gMC->Gspos("TS14",1,"TS13",0.,0.,0.,0,"ONLY");
 859
 860   // TS12->TICR
 861
 862   gMC->Gspos("TS13",1,"TICR",0.,0.,0.,0,"ONLY");
 863
 864   //------------------------------------------------------
 865   // Tpc Inner Field Cage
 866   // mother volume - Al, daughters - composite (sandwich)
 867   //------------------------------------------------------
 868
 869   dm[0]= 0.;
 870   dm[1]= 360.;
 871   dm[2]=6.;
 872
 873   //
 874
 875   dm[3]= -253.0;
 876   dm[4]= 70.7;
 877   dm[5]= 79.2;
 878
 879   //
 880
 881   dm[6]= -251.0;
 882   dm[7]= 70.7;
 883   dm[8]= 79.2;
 884
 885   //
 886
 887   dm[9]= -251.0;
 888   dm[10]= 77.15;
 889   dm[11]= 79.2;
 890
 891   //
 892
 893   dm[12]= 251.0;
 894   dm[13]= 77.15;
 895   dm[14]= 79.2;
 896
 897   //
 898
 899   dm[15]= 251.0;
 900   dm[16]= 66.0;
 901   dm[17]= 79.2;
 902
 903   //
 904
 905   dm[18]= 253.0;
 906   dm[19]= 66.0;
 907   dm[20]= 79.2;
 908
 909   gMC->Gsvolu("TIFC","PCON",idtmed[4],dm,21);
 910
 911   // Daughter volumes
 912
 913   // Tpc Sandwich 17 - Tedlar
 914
 915   dm[0]= 77.15;
 916   dm[1]= 79.2;
 917   dm[2]= 251.7;
 918
 919   gMC->Gsvolu("TS17","TUBE",idtmed[9],dm,3);
 920
 921   // Tpc Sandwich 18 - Kevlar
 922
 923   dm[0]+= 5.e-3;
 924   dm[1]-= 5.e-3;
 925
 926   gMC->Gsvolu("TS18","TUBE",idtmed[5],dm,3);
 927
 928
 929   // Tpc Sandwich 19 - NOMEX
 930
 931   dm[0]+= 0.02;
 932   dm[1]-= 0.02;
 933
 934   gMC->Gsvolu("TS19","TUBE",idtmed[6],dm,3);
 935
 936   // 19->18->17
 937
 938   gMC->Gspos("TS19",1,"TS18",0.,0.,0.,0,"ONLY");
 939   gMC->Gspos("TS18",1,"TS17",0.,0.,0.,0,"ONLY");
 940
 941   // TS17->TIFC
 942
 943   gMC->Gspos("TS17",1,"TIFC",0.,0.,0.,0,"ONLY");
 944
 945   // TPC Rings
 946
 947   dm[0]= 70.7;
 948   dm[1]= 79.2;
 949   dm[2]= 0.3;
 950
 951   gMC->Gsposp("TPCR",4,"TIIN",0.,0.,-253.3,0,"ONLY",dm,3);
 952
 953   dm[0]= 66.0;
 954   dm[1]= 70.2;
 955
 956   gMC->Gsposp("TPCR",5,"TIIN",0.,0.,250.7,0,"ONLY",dm,3);
 957
 958   dm[0]= 75.3;
 959   dm[1]= 79.2;
 960
 961   gMC->Gsposp("TPCR",6,"TIIN",0.,0.,253.3,0,"ONLY",dm,3);
 962
 963   // TICL->TIIN
 964
 965   gMC->Gspos("TICL",1,"TIIN",0.,0.,0.,0,"ONLY");
 966
 967   // TICR->TIIN
 968
 969   gMC->Gspos("TICR",1,"TIIN",0.,0.,0.,0,"ONLY");
 970
 971   // TIFC->TIIN
 972
 973   gMC->Gspos("TIFC",1,"TIIN",0.,0.,0.,0,"ONLY");
 974
 975   // Tpc Sandwich 21 - Al (central barrel)
 976
 977   dm[0]= 60.65;
 978   dm[1]= 61.21;
 979   dm[2]= 75.2;
 980
 981   gMC->Gsvolu("TS21","TUBE",idtmed[4],dm,3);
 982
 983   // Tpc Sandwich 22 - Tedlar (central barrel)
 984
 985   dm[0]+= 5.e-3;
 986   dm[1]-= 5.e-3;
 987
 988   gMC->Gsvolu("TS22","TUBE",idtmed[9],dm,3);
 989
 990   // Tpc Sandwich 23 - Kevlar (central barrel)
 991
 992   dm[0]+= 5.e-3;
 993   dm[1]-= 5.e-3;
 994
 995   gMC->Gsvolu("TS23","TUBE",idtmed[5],dm,3);
 996
 997   // Tpc Sandwich 24 - NOMEX (central barrel)
 998
 999   dm[0]+= 0.02;
1000   dm[1]-= 0.02;
1001
1002   gMC->Gsvolu("TS24","TUBE",idtmed[6],dm,3);
1003
1004   // 24->23->22->21
1005
1006   gMC->Gspos("TS24",1,"TS23",0.,0.,0.,0,"ONLY");
1007   gMC->Gspos("TS23",1,"TS22",0.,0.,0.,0,"ONLY");
1008   gMC->Gspos("TS22",1,"TS21",0.,0.,0.,0,"ONLY");
1009
1010   gMC->Gspos("TS21",1,"TIIN",0.,0.,0.,0,"ONLY");
1011
1012   // put everything into the TPC
1013
1014   gMC->Gspos("TIIN",1,"TPC ",0.,0.,0.,0,"ONLY");
1015
1016
1017   //---------------------------------------------------------
1018   //  Tpc Dift Gas volume Nonsensitive (Ne-CO2 90/10)
1019   //  and its daughters (HV membrane, rods, readout chambers)
1020   //---------------------------------------------------------
1021
1022   dm[0]= 79.2;
1023   dm[1]= 258.0;
1024   dm[2]= 253.6;
1025
1026   gMC->Gsvolu("TDGN","TUBE",idtmed[1],dm,3);
1027
1028   // sector opening angles
1029
1030   Float_t innerOpenAngle = fTPCParam->GetInnerAngle();
1031
1032   // sector angle shift
1033
1034   Float_t innerAngleShift = fTPCParam->GetInnerAngleShift();
1035
1036   // number of sectors
1037
1038   Int_t nInnerSector = fTPCParam->GetNInnerSector()/2;
1039   Int_t nOuterSector = fTPCParam->GetNOuterSector()/2;
1040
1041   // All above parameters are identical for inner and outer
1042   // sectors. The distinction is kept for the historical reasons
1043   // and eventually will disappear.
1044
1045   Float_t tanAlpha = TMath::Tan(0.5*innerOpenAngle);
1046   Float_t cosAlpha = TMath::Sqrt(1.+tanAlpha*tanAlpha);
1047   Float_t space;
1048
1049   //-------------------------------------------------------------------------
1050   //   Tpc Inner Readout Chambers
1051   //-------------------------------------------------------------------------
1052
1053   dm[0]= 14.483;
1054   dm[1]= 23.3345;
1055   dm[2]= 1.6; // thickness
1056   dm[3]= 25.1;
1057
1058   gMC->Gsvolu("TIRC","TRD1",idtmed[4],dm,4);
1059
1060   // this volume will be positioned in the empty space
1061   // of the end-cap to avoid overlaps
1062
1063   dm[0]= 13.7305;
1064   dm[1]= 21.1895;
1065   dm[2]= 2.25;
1066   dm[3]= 21.15;
1067
1068   gMC->Gsvolu("TIC1","TRD1",idtmed[4],dm,4);
1069
1070
1071   //------------------------------------------------
1072   // Tpc Inner readout chamber Pad Plane
1073   //------------------------------------------------
1074
1075   dm[0]= 14.483;
1076   dm[1]= 23.3345;
1077   dm[2]= 0.5;
1078   dm[3]= 25.1;
1079
1080   gMC->Gsvolu("TIPP","TRD1",idtmed[12],dm,4);
1081
1082   //
1083
1084   dm[0] -= 1.218511934;
1085   dm[1] -= 1.218511934;
1086   dm[2] = 0.35;
1087
1088   gMC->Gsvolu("TIC3","TRD1",idtmed[1],dm,4);
1089
1090   gMC->Gspos("TIC3",1,"TIPP",0.,0.15,0.,0,"ONLY");
1091
1092   gMC->Gspos("TIPP",1,"TIRC",0.,1.1,0.,0,"ONLY");
1093
1094
1095   //----------------------------------------------
1096   // Tpc Readout Chambers Empty spaces - for both
1097   // inner and outer sectors
1098   //----------------------------------------------
1099
1100   gMC->Gsvolu("TRCE","TRD1",idtmed[0],dm,0);
1101
1102   // Inner sector - 4 spaces
1103
1104
1105   dm[3] = 4.7625;
1106   dm[0] = 12.472;
1107
1108   Float_t rr = 90.52;
1109   Float_t zz;
1110
1111   zz= -12.7875;
1112
1113   space = rr*tanAlpha-dm[0];
1114
1115   for(Int_t nsLow=0;nsLow<4;nsLow++){
1116
1117     rr += 9.525;
1118     dm[1]= rr*tanAlpha - space;
1119
1120     dm[2]=0.8;
1121
1122     gMC->Gsposp("TRCE",nsLow+1,"TIRC",0.,-0.8,zz,0,"ONLY",dm,4);
1123
1124     //
1125
1126     dm[2] = 1.2;
1127
1128     gMC->Gsposp("TRCE",nsLow+5,"TIC1",0.,1.05,zz-2.1,0,"ONLY",dm,4);
1129
1130     rr += 0.4;
1131     dm[0] = rr*tanAlpha - space;
1132     zz += (0.4+9.525);
1133
1134   }
1135
1136   dm[0]= 12.472;
1137   // dm[1] - this is the dm[1] from the previous TRCE
1138   dm[2]= 1.05;
1139   dm[3]= 19.65;
1140
1141   gMC->Gsposp("TRCE",9,"TIC1",0.,-1.2,0.,0,"ONLY",dm,4);
1142
1143   //
1144   // TPc Space for Connectors
1145   //
1146
1147   dm[0]= .3;
1148   dm[1]= .3;
1149   dm[2]= 4.5;
1150
1151   gMC->Gsvolu("TPSC","BOX ",idtmed[0],dm,3);
1152
1153   // TPC Connectors
1154
1155   dm[0]= .25;
1156   dm[1]= .15;
1157   dm[2]= 3.75;
1158
1159   gMC->Gsvolu("TPCC","BOX ",idtmed[13],dm,3);
1160
1161   gMC->Gspos("TPCC",1,"TPSC",0.,0.15,0.,0,"ONLY");
1162
1163   zz = -12.7875;
1164
1165
1166   Float_t alpha;
1167   Float_t astep;
1168
1169   Float_t phi1,phi2,phi3,theta1,theta2,theta3; // rotation angles
1170
1171   // inner part of the inner sector - 2 x 20 holes
1172
1173   astep = 20.00096874/19.;
1174
1175   alpha = 10.00048437-astep;
1176
1177   Float_t x1,x2;
1178
1179     x1 = 13.31175725;
1180     x1 -= 0.996357832;
1181
1182     x2 = 15.06180253;
1183     x2 -= 1.163028812;
1184
1185   Int_t ncon;
1186
1187   for(ncon=0;ncon<20;ncon++){
1188
1189     phi1 = 0.;
1190     theta1 = 90.+alpha;
1191     phi2=90.;
1192     theta2 = 90.;
1193     phi3 = (alpha>0) ? 0. : 180.;
1194     theta3 = TMath::Abs(alpha);
1195
1196     AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
1197
1198
1199
1200     gMC->Gspos("TPSC",ncon+1,"TIRC",x1,0.3,-12.7875,idrotm[nRotMat],"ONLY");
1201     gMC->Gspos("TPSC",ncon+21,"TIRC",x2,0.3,-2.8625,idrotm[nRotMat],"ONLY");
1202
1203
1204     x1 -= 1.296357833;
1205     x2 -= 1.463028812;
1206
1207     alpha -= astep;
1208     nRotMat++;
1209
1210   }
1211
1212   // outer part of the inner sector - 2 x 25 holes
1213
1214    astep = 20.00096874/24.;
1215    alpha = 10.00048437-astep;
1216
1217    x1 = 16.81184781;
1218    x1 -= 1.016295986;
1219
1220    x2 = 18.5618931;
1221    x2 -= 1.150914854;
1222
1223   for(ncon=0;ncon<25;ncon++){
1224
1225     phi1 = 0.;
1226     theta1 = 90.+alpha;
1227     phi2=90.;
1228     theta2 = 90.;
1229     phi3 = (alpha>0) ? 0. : 180.;
1230     theta3 = TMath::Abs(alpha);
1231
1232     AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
1233
1234
1235
1236     gMC->Gspos("TPSC",ncon+41,"TIRC",x1,0.3,7.0625,idrotm[nRotMat],"ONLY");
1237     gMC->Gspos("TPSC",ncon+66,"TIRC",x2,0.3,16.9875,idrotm[nRotMat],"ONLY");
1238
1239
1240     x1 -= 1.316295986;
1241     x2 -= 1.450914854;
1242
1243     alpha -= astep;
1244     nRotMat++;
1245
1246   }
1247
1248   //--------------------------------------------------------------------------
1249   //  TPC Outer Readout Chambers
1250   //  this is NOT a final design
1251   //--------------------------------------------------------------------------
1252
1253   dm[0]= 23.3875;
1254   dm[1]= 43.524;
1255   dm[2]= 1.5; //thickness
1256   dm[3]= 57.1;
1257
1258   gMC->Gsvolu("TORC","TRD1",idtmed[4],dm,4);
1259
1260   //------------------------------------------------
1261   // Tpc Outer readout chamber Pad Plane
1262   //------------------------------------------------
1263
1264   dm[2]= 0.5;
1265
1266   gMC->Gsvolu("TOPP","TRD1",idtmed[12],dm,4);
1267
1268   dm[0] -= 1.218511934;
1269   dm[1] -= 1.218511934;
1270   dm[2] = 0.35;
1271
1272   gMC->Gsvolu("TOC3","TRD1",idtmed[1],dm,4);
1273
1274   gMC->Gspos("TOC3",1,"TOPP",0.,0.15,0.,0,"ONLY");
1275
1276   gMC->Gspos("TOPP",1,"TORC",0.,1.0,0.,0,"ONLY");
1277
1278   // empty space
1279
1280   dm[0]= 21.035;
1281   dm[1]= 38.7205;
1282   dm[2]= 0.7;
1283   dm[3]= 50.15;
1284
1285   gMC->Gsposp("TRCE",10,"TORC",0.,-0.8,-2.15,0,"ONLY",dm,4);
1286
1287   dm[0]= 22.2935;
1288   dm[1]= 40.5085;
1289   dm[2]= 2.25;
1290   dm[3]= 51.65;
1291
1292   gMC->Gsvolu("TOC1","TRD1",idtmed[4],dm,4);
1293
1294   dm[0]= 21.35;
1295   dm[1]= 38.7205;
1296   dm[2]= 2.25;
1297   dm[3]= 50.15;
1298
1299   gMC->Gsposp("TRCE",11,"TOC1",0.,0.,0.,0,"ONLY",dm,4);
1300
1301   //-----------------------------------------------
1302   // Tpc Services Support Wheel
1303   //-----------------------------------------------
1304
1305   dm[0]=0.;
1306   dm[1]=360.;
1307   dm[2]=18.;
1308   dm[3]=2.;
1309
1310   dm[4]= -5.;
1311   dm[5]= 77.017;
1312   dm[6]= 255.267;
1313
1314   dm[7]= 5.;
1315   dm[8]= dm[5];
1316   dm[9]= dm[6];
1317
1318   gMC->Gsvolu("TSSW","PGON",idtmed[4],dm,10);
1319
1320   // Tpc Services Wheel Cover
1321
1322   dm[4]= -0.5;
1323   dm[7]= 0.5;
1324
1325   gMC->Gsvolu("TSWC","PGON",idtmed[4],dm,10);
1326
1327   // Tpc Service wheel Cover Empty space
1328
1329   dm[0]= 10.99;
1330   dm[1]= 39.599;
1331   dm[2]= .5;
1332   dm[3]= 81.125;
1333
1334   gMC->Gsvolu("TSCE","TRD1",idtmed[0],dm,4);
1335
1336   // Tpc services Wheel Empty Spaces
1337
1338   dm[0]= 13.18017507;
1339   dm[1]= 44.61045938;
1340   dm[2]= 4.;
1341   dm[3]= 89.125;
1342
1343   gMC->Gsvolu("TWES","TRD1",idtmed[0],dm,4);
1344
1345   // Tpc Services Wheel Bars
1346
1347   gMC->Gsvolu("TSWB","TRD1",idtmed[4],dm,0);
1348
1349   // bars-> TWES
1350
1351   dm[2]= 4.;
1352   dm[3]= .4;
1353
1354   dm[0]= 13.8149522;
1355   dm[1]= 13.95601379;
1356
1357   gMC->Gsposp("TSWB",1,"TWES",0.,0.,-85.125,0,"ONLY",dm,4);
1358
1359   dm[0]= 43.83462067;
1360   dm[1]= 43.97568225;
1361
1362   gMC->Gsposp("TSWB",2,"TWES",0.,0.,85.125,0,"ONLY",dm,4);
1363
1364   // TPc ELectronics - right now 30% X0 Si
1365
1366   dm[0]= 14.03813696;
1367   dm[1]= 43.3524075;
1368   dm[2]= 1.404;
1369   dm[3]= 83.125;
1370
1371   gMC->Gsvolu("TPEL","TRD1",idtmed[11],dm,4);
1372   gMC->Gspos("TPEL",1,"TWES",0.,0.,0.,0,"ONLY");
1373
1374   //--------------------------------------------------------------------------
1375   //  End caps
1376   //--------------------------------------------------------------------------
1377
1378   // TPc Main Wheel - Al
1379
1380   dm[0]= 75.3;
1381   dm[1]= 264.8;
1382   dm[2]= 3.0;
1383
1384   gMC->Gsvolu("TPMW","TUBE",idtmed[4],dm,3);
1385
1386   // TPc Extra Wheel (to avoid overlapping) - Al
1387
1388   dm[0]= 264.8;
1389   dm[1]= 277.0;
1390   dm[2]= 1.95;
1391
1392   gMC->Gsvolu("TPEW","TUBE",idtmed[4],dm,3);
1393
1394   //--------------------------------------------------------------------------
1395   //  Tpc Empty Space for the Readout chambers
1396   //--------------------------------------------------------------------------
1397
1398   Float_t rLow= 86.2;
1399   Float_t rUp= 243.5;
1400   Float_t dR = 0.5*(rUp-rLow);
1401
1402   space= 1.4/cosAlpha; // wheel ribs are 2.8 cm wide
1403
1404   dm[0]= rLow*tanAlpha-space;
1405   dm[1]= rUp*tanAlpha-space;
1406   dm[2] = 3.0;
1407   dm[3]= dR;
1408
1409   gMC->Gsvolu("TESR","TRD1",idtmed[0],dm,4);
1410
1411   // TIC1->TESR
1412
1413   gMC->Gspos("TIC1",1,"TESR",0.,0.75,-dR+23.97,0,"ONLY");
1414
1415   // TOC1->TESR
1416
1417   gMC->Gspos("TOC1",1,"TESR",0.,0.75,dR-55.02,0,"ONLY");
1418
1419   // Tpc Empty Space Bars - Al (daughters of TESR)
1420
1421   Float_t zBar;
1422
1423   gMC->Gsvolu("TESB","TRD1",idtmed[4],dm,0);
1424
1425   // lower bar
1426
1427   dm[0]= rLow*tanAlpha-space;
1428   dm[1]= 88.7*tanAlpha-space;
1429   dm[2]= 0.95;
1430   dm[3]= 1.275;
1431
1432   zBar = -dR+dm[3];
1433
1434   gMC->Gsposp("TESB",1,"TESR",0.,2.05,zBar,0,"ONLY",dm,4);
1435
1436   // middle bar
1437
1438   dm[0]= 131.65*tanAlpha-space;
1439   dm[1]= 136.5*tanAlpha-space;
1440   dm[3]= 2.425;
1441
1442   zBar = -dR +131.65+dm[3]-rLow;
1443
1444   gMC->Gsposp("TESB",2,"TESR",0.,2.05,zBar,0,"ONLY",dm,4);
1445
1446   // upper bar
1447
1448   dm[0]= 240.4*tanAlpha-space;
1449   dm[1]= rUp*tanAlpha-space;
1450   dm[3]= 1.55;
1451
1452   zBar = dR-dm[3];
1453
1454   gMC->Gsposp("TESB",3,"TESR",0.,2.05,zBar,0,"ONLY",dm,4);
1455
1456   //  positioning of the empty spaces into the main wheel
1457
1458
1459
1460   Float_t rCenter,xc,yc;
1461   Float_t rInner,rOuter; // center of the inner and outer chamber
1462
1463   rCenter = rLow+dR;
1464
1465   rInner = 108.07;
1466   rOuter = 190.68;
1467
1468
1469   for(Int_t ns=0; ns<nInnerSector;ns++){
1470
1471     phi1 = ns * innerOpenAngle + innerAngleShift;
1472     phi1 *= kRaddeg; // in degrees
1473
1474     phi1 = (Float_t)TMath::Nint(phi1) + 270.;
1475
1476     if (phi1 > 360.) phi1 -= 360.;
1477
1478     theta1 = 90.;
1479     phi2   = 90.;
1480     theta2 = 180.;
1481     phi3   = ns * innerOpenAngle + innerAngleShift;
1482     phi3 *= kRaddeg; // in degrees
1483
1484     phi3 = (Float_t)TMath::Nint(phi3);
1485
1486     if(phi3 > 360.) phi3 -= 360.;
1487
1488     theta3 = 90.;
1489
1490     // "holes"->End plate
1491
1492     xc = rCenter*TMath::Cos(phi3*kDegrad);
1493     yc = rCenter*TMath::Sin(phi3*kDegrad);
1494
1495     AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
1496
1497     gMC->Gspos("TESR",ns+1,"TPMW",xc,yc,0.,idrotm[nRotMat],"ONLY");
1498
1499     // TSCE->TSWC (services wheel volumes)
1500
1501     xc = 166.142*TMath::Cos(phi3*kDegrad);
1502     yc = 166.142*TMath::Sin(phi3*kDegrad);
1503
1504     gMC->Gspos("TSCE",ns+1,"TSWC",xc,yc,0.,idrotm[nRotMat],"ONLY");
1505     gMC->Gspos("TWES",ns+1,"TSSW",xc,yc,0.,idrotm[nRotMat],"ONLY");
1506
1507
1508     // readout chambers->TDGN (drift gas)
1509
1510     xc = rInner*TMath::Cos(phi3*kDegrad);
1511     yc = rInner*TMath::Sin(phi3*kDegrad);
1512
1513     gMC->Gspos("TIRC",ns+1,"TDGN",xc,yc,252.,idrotm[nRotMat],"ONLY");
1514
1515     xc = rOuter*TMath::Cos(phi3*kDegrad);
1516     yc = rOuter*TMath::Sin(phi3*kDegrad);
1517
1518     gMC->Gspos("TORC",ns+1,"TDGN",xc,yc,252.1,idrotm[nRotMat],"ONLY");
1519
1520     nRotMat++;
1521
1522     theta2 = 0.; // reflection
1523
1524     AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
1525
1526     xc = rInner*TMath::Cos(phi3*kDegrad);
1527     yc = rInner*TMath::Sin(phi3*kDegrad);
1528
1529     gMC->Gspos("TIRC",ns+nInnerSector+1,"TDGN",xc,yc,-252.,idrotm[nRotMat],"ONLY");
1530
1531     xc = rOuter*TMath::Cos(phi3*kDegrad);
1532     yc = rOuter*TMath::Sin(phi3*kDegrad);
1533
1534     gMC->Gspos("TORC",ns+nOuterSector+1,"TDGN",xc,yc,-252.1,idrotm[nRotMat],"ONLY");
1535
1536     nRotMat++;
1537
1538   }
1539
1540   // reflection matrix
1541
1542   theta1 = 90.;
1543   phi1   = 0.;
1544   theta2 = 90.;
1545   phi2   = 270.;
1546   theta3 = 180.;
1547   phi3   = 0.;
1548
1549   AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
1550
1551
1552   // TPMW->TPC
1553
1554   gMC->Gspos("TPMW",1,"TPC ",0.,0.,256.6,0,"ONLY");
1555   gMC->Gspos("TPMW",2,"TPC ",0.,0.,-256.6,idrotm[nRotMat],"ONLY");
1556   gMC->Gspos("TPEW",1,"TPC ",0.,0.,257.65,0,"ONLY");
1557   gMC->Gspos("TPEW",2,"TPC ",0.,0.,-257.65,0,"ONLY");
1558
1559
1560
1561   //-------------------------------------------------------
1562   // Tpc High Voltage Membrane - NOMEX honeycomb
1563   //-------------------------------------------------------
1564
1565   dm[0]=0.,
1566   dm[1]=360.;
1567   dm[2]=18.;
1568   dm[3]=2.;
1569
1570   //
1571
1572   dm[4]= -0.3;
1573   dm[5]= 81.156;
1574   dm[6]= 253.386;
1575
1576   //
1577
1578   dm[7]= 0.3;
1579   dm[8]= dm[5];
1580   dm[9]= dm[6];
1581
1582   gMC->Gsvolu("THVM","PGON",idtmed[6],dm,10);
1583
1584   gMC->Gspos("THVM",1,"TDGN",0.,0.,0.,0,"ONLY");
1585
1586   //----------------------------------------------------------
1587   // TPc Support Rods - MAKROLON
1588   //----------------------------------------------------------
1589
1590   dm[0]= 0.9;
1591   dm[1]= 1.2;
1592   dm[2]= 126.65;
1593
1594   gMC->Gsvolu("TPSR","TUBE",idtmed[7],dm,3);
1595
1596   for(Int_t nrod=1;nrod<18;nrod++){
1597     Float_t angle=innerOpenAngle*(Float_t)nrod;
1598
1599     xc=82.4*TMath::Cos(angle);
1600     yc=82.4*TMath::Sin(angle);
1601
1602     gMC->Gspos("TPSR",nrod,"TDGN",xc,yc,126.95,0,"ONLY");
1603     gMC->Gspos("TPSR",nrod+17,"TDGN",xc,yc,-126.95,0,"ONLY");
1604
1605     xc=254.2*TMath::Cos(angle);
1606     yc=254.2*TMath::Sin(angle);
1607
1608     gMC->Gspos("TPSR",nrod+34,"TDGN",xc,yc,126.95,0,"ONLY");
1609     gMC->Gspos("TPSR",nrod+51,"TDGN",xc,yc,-126.95,0,"ONLY");
1610
1611   }
1612
1613   //----------------------------------------------------------
1614   // Tpc High Voltage rod - MAKROLON + Copper cable
1615   //----------------------------------------------------------
1616
1617   // rod with cable (Left)
1618
1619   dm[0]=0.;
1620   dm[1]=2.25;
1621   dm[2]=126.65;
1622
1623   gMC->Gsvolu("THVL","TUBE",idtmed[7],dm,3);
1624
1625   // HV cable
1626
1627   dm[0]=0.;
1628   dm[1]=0.3;
1629   dm[2]=126.65;
1630
1631   gMC->Gsvolu("THVC","TUBE",idtmed[10],dm,3);
1632
1633   // empty space
1634
1635   dm[0]=0.3;
1636   dm[1]=1.;
1637   dm[2]=126.65;
1638
1639   gMC->Gsvolu("THVE","TUBE",idtmed[1],dm,3);
1640
1641   gMC->Gspos("THVC",1,"THVL",0.,0.,0.,0,"ONLY");
1642   gMC->Gspos("THVE",1,"THVL",0.,0.,0.,0,"ONLY");
1643
1644   // rod without cable
1645
1646   dm[0]=1.8;
1647   dm[1]=2.25;
1648   dm[2]=126.65;
1649
1650   gMC->Gsvolu("THVR","TUBE",idtmed[7],dm,3);
1651
1652
1653
1654   gMC->Gspos("THVL",1,"TDGN",82.4,0.,-126.95,0,"ONLY");
1655   gMC->Gspos("THVL",2,"TDGN",254.2,0.,-126.95,0,"ONLY");
1656
1657   gMC->Gspos("THVR",1,"TDGN",82.4,0.,126.95,0,"ONLY");
1658   gMC->Gspos("THVR",2,"TDGN",254.2,0.,126.95,0,"ONLY");
1659
1660
1661
1662   gMC->Gspos("TDGN",1,"TPC ",0.,0.,0.,0,"ONLY");
1663
1664
1665   // services wheel cover -> wheel
1666
1667
1668   gMC->Gspos("TSWC",1,"TSSW",0.,0.,4.5,0,"ONLY");
1669   gMC->Gspos("TSWC",2,"TSSW",0.,0.,-4.5,0,"ONLY");
1670
1671
1672   // put the wheel into the TPC
1673
1674   gMC->Gspos("TSSW",1,"TPC ",0.,0.,278.7,0,"ONLY");
1675   gMC->Gspos("TSSW",2,"TPC ",0.,0.,-278.7,0,"ONLY");
1676
1677   //
1678
1679   gMC->Gsord("TPMW",6);
1680   gMC->Gsord("TSSW",6);
1681   gMC->Gsord("TSWC",6);
1682
1683   // put the TPC into ALIC (main mother volume)
1684
1685   gMC->Gspos("TPC ",1,"ALIC",0.,0.,0.,0,"ONLY");
1686
1687 } // end of function
1688
1689
1690 //_____________________________________________________________________________
1691 void AliTPCv0::CreateMaterials()
1692 {
1693   //
1694   // Define materials for the TPC
1695   //
1696   AliTPC::CreateMaterials();
1697 }
1698
1699 //_____________________________________________________________________________
1700 void AliTPCv0::DrawDetector()
1701 {
1702   //
1703   // Draw a shaded view of the Time Projection Chamber version 0
1704   //
1705
1706   // Set everything unseen
1707   gMC->Gsatt("*", "seen", -1);
1708   //
1709   // Set ALIC mother transparent
1710   gMC->Gsatt("ALIC","SEEN",0);
1711   //
1712   // Set the volumes visible
1713   gMC->Gsatt("TPC ","SEEN",0);
1714   gMC->Gsatt("TOIN","SEEN",1);
1715   gMC->Gsatt("TOIN","COLO",7);
1716   gMC->Gsatt("TPCR","SEEN",0);
1717   gMC->Gsatt("TOCV","SEEN",1);
1718   gMC->Gsatt("TOCV","COLO",4);
1719   gMC->Gsatt("TSA1","SEEN",0);
1720   gMC->Gsatt("TSA2","SEEN",0);
1721   gMC->Gsatt("TSA3","SEEN",0);
1722   gMC->Gsatt("TSA4","SEEN",0);
1723   gMC->Gsatt("TOFC","SEEN",1);
1724   gMC->Gsatt("TOFC","COLO",4);
1725   gMC->Gsatt("TSA5","SEEN",0);
1726   gMC->Gsatt("TSA6","SEEN",0);
1727   gMC->Gsatt("TSA7","SEEN",0);
1728   gMC->Gsatt("TIIN","COLO",7);
1729   gMC->Gsatt("TIIN","SEEN",1);
1730   gMC->Gsatt("TICL","SEEN",0);
1731   gMC->Gsatt("TSA9","SEEN",0);
1732   gMC->Gsatt("TS10","SEEN",0);
1733   gMC->Gsatt("TS11","SEEN",0);
1734   gMC->Gsatt("TS12","SEEN",0);
1735   gMC->Gsatt("TICR","SEEN",0);
1736   gMC->Gsatt("TS13","SEEN",0);
1737   gMC->Gsatt("TS14","SEEN",0);
1738   gMC->Gsatt("TS15","SEEN",0);
1739   gMC->Gsatt("TS16","SEEN",0);
1740   gMC->Gsatt("TIFC","SEEN",1);
1741   gMC->Gsatt("TIFC","COLO",4);
1742   gMC->Gsatt("TS17","SEEN",0);
1743   gMC->Gsatt("TS18","SEEN",0);
1744   gMC->Gsatt("TS19","SEEN",0);
1745   gMC->Gsatt("TS21","SEEN",0);
1746   gMC->Gsatt("TS22","SEEN",0);
1747   gMC->Gsatt("TS23","SEEN",0);
1748   gMC->Gsatt("TS24","SEEN",0);
1749   gMC->Gsatt("TDGN","SEEN",0);
1750   gMC->Gsatt("TIRC","SEEN",0);
1751   gMC->Gsatt("TIC1","SEEN",1);
1752   gMC->Gsatt("TIPP","SEEN",0);
1753   gMC->Gsatt("TIC3","SEEN",0);
1754   gMC->Gsatt("TRCE","SEEN",0);
1755   gMC->Gsatt("TPSC","SEEN",0);
1756   gMC->Gsatt("TPCC","SEEN",0);
1757   gMC->Gsatt("TORC","SEEN",0);
1758   gMC->Gsatt("TOPP","SEEN",0);
1759   gMC->Gsatt("TOC3","SEEN",0);
1760   gMC->Gsatt("TOC1","SEEN",1);
1761   gMC->Gsatt("TSSW","SEEN",1);
1762   gMC->Gsatt("TSWC","SEEN",1);
1763   gMC->Gsatt("TSCE","SEEN",1);
1764   gMC->Gsatt("TSSW","COLO",3);
1765   gMC->Gsatt("TSWC","COLO",3);
1766   gMC->Gsatt("TSCE","COLO",6);
1767   gMC->Gsatt("TWES","SEEN",0);
1768   gMC->Gsatt("TSWB","SEEN",0);
1769   gMC->Gsatt("TPEL","SEEN",0);
1770   gMC->Gsatt("TPMW","SEEN",1);
1771   gMC->Gsatt("TPEW","SEEN",1);
1772   gMC->Gsatt("TESR","SEEN",1);
1773   gMC->Gsatt("TPMW","COLO",12);
1774   gMC->Gsatt("TPEW","COLO",12);
1775   gMC->Gsatt("TWES","COLO",5);
1776   gMC->Gsatt("TIC1","COLO",5);
1777   gMC->Gsatt("TOC1","COLO",5);
1778   gMC->Gsatt("TESB","SEEN",0);
1779   gMC->Gsatt("THVM","SEEN",1);
1780   gMC->Gsatt("THVM","COLO",11);
1781   gMC->Gsatt("TPSR","SEEN",0);
1782   gMC->Gsatt("THVL","SEEN",0);
1783   gMC->Gsatt("THVC","SEEN",0);
1784   gMC->Gsatt("THVE","SEEN",0);
1785   gMC->Gsatt("THVR","SEEN",0);
1786   //
1787   gMC->Gdopt("hide", "on");
1788   gMC->Gdopt("shad", "on");
1789   gMC->Gsatt("*", "fill", 7);
1790   gMC->SetClipBox(".");
1791   gMC->SetClipBox("TPMW",-300,300,-300,300,254.,270.);
1792   gMC->SetClipBox("TESR",-300,300,-300,300,254.,270.);
1793   gMC->SetClipBox("TSSW",-300,300,-300,300,283.,284.);
1794   gMC->SetClipBox("TSWC",-300,300,-300,300,283.,284.);
1795   gMC->SetClipBox("*", 0, 300, -300, 300, -290, 290);
1796   gMC->DefaultRange();
1797   gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .025, .025);
1798   gMC->Gdhead(1111, "Time Projection Chamber");
1799   gMC->Gdman(18, 4, "MAN");
1800   gMC->Gdopt("hide","off");
1801 }
1802
1803 //_____________________________________________________________________________
1804 void AliTPCv0::Init()
1805 {
1806   //
1807   // Initialise Time Projection Chamber version 0
1808   //
1809   printf("TPC version 0 initialized\n");
1810 }
1811
1812 //_____________________________________________________________________________
1813 void AliTPCv0::StepManager()
1814 {
1815   //
1816   // Procedure called at each step in the TPC
1817   //
1818 }