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 1.18  2000/11/02 07:24:11  kowal2
  19 Correction in the TPC geometry.
  20 Changes due to the new hit structure.
  21
  22 Revision 1.17  2000/07/10 20:57:39  hristov
  23 Update of TPC code and macros by M.Kowalski
  24
  25 Revision 1.16  2000/06/30 12:07:50  kowal2
  26 Updated from the TPC-PreRelease branch
  27
  28 Revision 1.15.2.4  2000/06/26 07:39:42  kowal2
  29 Changes to obey the coding rules
  30
  31 Revision 1.15.2.3  2000/06/25 08:38:41  kowal2
  32 Splitted from AliTPCtracking
  33
  34 Revision 1.15.2.2  2000/06/16 12:58:13  kowal2
  35 Changed parameter settings
  36
  37 Revision 1.15.2.1  2000/06/09 07:15:07  kowal2
  38
  39 Defaults loaded automatically (hard-wired)
  40 Optional parameters can be set via macro called in the constructor
  41
  42 Revision 1.15  2000/05/15 10:00:30  kowal2
  43 Corrected bug in the TPC geometry, thanks to Ivana Hrivnacova
  44
  45 Revision 1.14  2000/04/17 09:37:33  kowal2
  46 removed obsolete AliTPCDigitsDisplay.C
  47
  48 Revision 1.13.8.2  2000/04/10 08:33:44  kowal2
  49
  50 Updated readout chambers
  51
  52 Revision 1.13.8.1  2000/04/10 07:56:53  kowal2
  53 Not used anymore - removed
  54
  55 Revision 1.13  1999/11/04 17:28:06  fca
  56 Correct barrel part of HV Degrader
  57
  58 Revision 1.12  1999/10/08 06:27:23  fca
  59 Corrected bug in the HV degrader geometry, thanks to G.Tabary
  60
  61 Revision 1.11  1999/10/04 13:39:54  fca
  62 Correct array index problem
  63
  64 Revision 1.10  1999/09/29 09:24:34  fca
  65 Introduction of the Copyright and cvs Log
  66
  67 */
  68 //
  69
  70 ///////////////////////////////////////////////////////////////////////////////
  71 //                                                                           //
  72 //  Time Projection Chamber version 0 -- "coarse" TPC                        //
  73 //                                                                           //
  74 //Begin_Html
  75 /*
  76 <img src="picts/AliTPCv0Class.gif">
  77 */
  78 //End_Html
  79 //                                                                           //
  80 //                                                                           //
  81 ///////////////////////////////////////////////////////////////////////////////
  82
  83 #include <TMath.h>
  84 #include <TGeometry.h>
  85 #include <TNode.h>
  86 #include <TTUBE.h>
  87 #include "AliTPCv0.h"
  88 #include "AliRun.h"
  89 #include <iostream.h>
  90 #include <fstream.h>
  91 #include "AliMC.h"
  92 #include "AliConst.h"
  93
  94 #include "AliTPCParamSR.h"
  95 #include "AliTPCDigitsArray.h"
  96
  97 ClassImp(AliTPCv0)
  98
  99 //_____________________________________________________________________________
 100 AliTPCv0::AliTPCv0(const char *name, const char *title)
 101          :AliTPC(name, title)
 102 {
 103   //
 104   // Standard creator for TPC version 0
 105   //
 106
 107   SetGasMixt(2,20,10,-1,0.9,0.1,0.);
 108
 109   if (fTPCParam)
 110      fTPCParam->Write(fTPCParam->GetTitle());
 111 }
 112
 113 //_____________________________________________________________________________
 114 void AliTPCv0::CreateGeometry()
 115 {
 116   //
 117   // Creation of the TPC version 0, i.e. no sensitive volumes,
 118   // only the material distribution
 119   //
 120   //Begin_Html
 121   /*
 122     <img src="picts/AliTPC.gif">
 123   */
 124   //End_Html
 125   //Begin_Html
 126   /*
 127     <img src="picts/AliTPCv0Tree.gif">
 128   */
 129   //End_Html
 130
 131   //---------------------------------------------------------------
 132   //  TPC geometry
 133   //
 134   //  Origin: Marek Kowalski, INP Cracow
 135   //  Marek.Kowalski@ifj.edu.pl
 136   //---------------------------------------------------------------
 137
 138   Float_t dm[50];
 139
 140   Int_t *idtmed = fIdtmed->GetArray(); // TPC media
 141
 142   Int_t idrotm[120]; // rotation matrices
 143
 144   Int_t nRotMat = 0; // actual number of rotation matrices
 145
 146
 147   //
 148   //  Mother volume (Air) - all volumes will be positioned in it
 149   //
 150
 151   dm[0]=0.;
 152   dm[1]=360.;
 153   dm[2]=12.;
 154
 155   //
 156
 157   dm[3]= -283.7;
 158   dm[4]= 66.2;
 159   dm[5]= 277.95;
 160
 161   //
 162
 163   dm[6]= -255.6;
 164   dm[7]= 66.2;
 165   dm[8]= 277.95;
 166
 167   //
 168
 169   dm[9]= -73.3;
 170   dm[10]= 59.0;
 171   dm[11]= 277.95;
 172
 173   //
 174
 175   dm[12]= -73.3;
 176   dm[13]= 56.9;
 177   dm[14]= 277.95;
 178
 179   //
 180
 181   dm[15]= -72.1;
 182   dm[16]= 56.9;
 183   dm[17]= 277.95;
 184
 185   //
 186
 187   dm[18]= -72.1;
 188   dm[19]= 60.65;
 189   dm[20]= 277.95;
 190
 191   //
 192
 193   dm[21]= 72.1;
 194   dm[22]= 60.65;
 195   dm[23]= 277.95;
 196
 197   //
 198
 199   dm[24]= 72.1;
 200   dm[25]= 56.9;
 201   dm[26]= 277.95;
 202
 203   //
 204
 205   dm[27]= 73.3;
 206   dm[28]= 56.9;
 207   dm[29]= 277.95;
 208
 209   //
 210
 211   dm[30]= 73.3;
 212   dm[31]= 60.65;
 213   dm[32]= 277.95;
 214
 215   //
 216
 217   dm[33]= 250.4;
 218   dm[34]= 66.0;
 219   dm[35]= 277.95;
 220
 221   //
 222
 223   dm[36]= 283.7;
 224   dm[37]= 66.0;
 225   dm[38]= 277.95;
 226
 227
 228   gMC->Gsvolu("TPC ","PCON",idtmed[0],dm,39);
 229
 230
 231   //-------------------------------------------------------------------
 232   //  Tpc Outer INsulator (CO2)
 233   //-------------------------------------------------------------------
 234
 235   dm[0]= 0.;
 236   dm[1]= 360.;
 237   dm[2]= 6.;
 238
 239   //
 240
 241   dm[3]= -253.6;
 242   dm[4]= 258.;
 243   dm[5]= 266.65;
 244
 245   //
 246
 247   dm[6]= -253.;
 248   dm[7]= 258.;
 249   dm[8]= 266.65;
 250
 251   dm[9]= -253.;
 252   dm[10]= 258.;
 253   dm[11]= 277.97;
 254
 255   dm[12]= 253.6;
 256   dm[13]= 258.;
 257   dm[14]= 277.97;
 258
 259   //
 260
 261   dm[15]= 253.6;
 262   dm[16]= 265.2;
 263   dm[17]= 277.95;
 264
 265   //
 266
 267   dm[18]= 255.6;
 268   dm[19]= 265.2;
 269   dm[20]= 277.95;
 270
 271
 272   gMC->Gsvolu("TOIN","PCON",idtmed[3],dm,21);
 273
 274   //---------------------------------------------------------------
 275   // shreds (G10) - TPC Rings
 276   //---------------------------------------------------------------
 277
 278   gMC->Gsvolu("TPCR","TUBE",idtmed[12],dm,0);
 279
 280   dm[0]= 258.;
 281   dm[1]= 266.65;
 282   dm[2]= 0.3;
 283
 284   gMC->Gsposp("TPCR",1,"TOIN",0.,0.,-253.3,0,"ONLY",dm,3); // left bottom
 285
 286   //
 287
 288   dm[0]= 258.;
 289   dm[1]= 270.9;
 290   dm[2]= 0.3;
 291
 292   gMC->Gsposp("TPCR",2,"TOIN",0.,0.,253.3,0,"ONLY",dm,3); // right
 293
 294   //
 295
 296   dm[0]= 272.2;
 297   dm[1]= 277.95;
 298   dm[2]= 0.3;
 299
 300   gMC->Gsposp("TPCR",3,"TOIN",0.,0.,-250.7,0,"ONLY",dm,3); // left top
 301
 302   //----------------------------------------------------------------
 303   // Tpc Outer Contaiment Vessel
 304   //  mother volume - Al, daughters - composite (sandwich)
 305   //----------------------------------------------------------------
 306
 307   dm[0]= 0.;
 308   dm[1]= 360.;
 309   dm[2]=5.;
 310
 311   //
 312
 313   dm[3]= -250.4;
 314   dm[4]= 272.2;
 315   dm[5]= 277.95;
 316
 317   //
 318
 319   dm[6]= -248.4;
 320   dm[7]= 272.2;
 321   dm[8]= 277.95;
 322
 323   //
 324
 325   dm[9]= 253.6;
 326   dm[10]= 272.2;
 327   dm[11]= 277.95;
 328
 329   //
 330
 331   dm[12]= 253.6;
 332   dm[13]= 265.2;
 333   dm[14]= 277.95;
 334
 335   //
 336
 337   dm[15]= 255.6;
 338   dm[16]= 265.2;
 339   dm[17]= 277.95;
 340
 341   gMC->Gsvolu("TOCV","PCON",idtmed[4],dm,18);
 342
 343   // Daughter volumes
 344
 345   // Tpc SAndwich 1 - Al
 346
 347   dm[0]= 274.81;
 348   dm[1]= 277.95;
 349   dm[2]= 251.7;
 350
 351   gMC->Gsvolu("TSA1","TUBE",idtmed[4],dm,3);
 352
 353   // Tpc SAndwich 2 - Tedlar
 354
 355   dm[0] += 5.e-3;
 356   dm[1] -= 5.e-3;
 357
 358   gMC->Gsvolu("TSA2","TUBE",idtmed[9],dm,3);
 359
 360   // Tpc SAndwich 3 - Kevlar
 361
 362   dm[0] += 5e-3;
 363   dm[1] -= 5.e-3;
 364
 365   gMC->Gsvolu("TSA3","TUBE",idtmed[5],dm,3);
 366
 367   // Tpc SAndwich 4 - NOMEX honeycomb
 368
 369   dm[0] += 0.06;
 370   dm[1] -= 0.06;
 371
 372   gMC->Gsvolu("TSA4","TUBE",idtmed[5],dm,3);
 373
 374   // 4->3->2->1->TOCV
 375
 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.,2.6,0,"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   dm[3]= -253.;
 396   dm[4]= 258.;
 397   dm[5]= 277.95;
 398
 399   //
 400
 401   dm[6]= -251.;
 402   dm[7]= 258.;
 403   dm[8]= 277.95;
 404
 405   //
 406
 407   dm[9]= -251.;
 408   dm[10]= 258.;
 409   dm[11]= 260.05;
 410
 411   //
 412
 413   dm[12]= 251.;
 414   dm[13]= 258.;
 415   dm[14]= 260.05;
 416
 417   //
 418
 419   dm[15]= 251.;
 420   dm[16]= 258.;
 421   dm[17]= 260.05;
 422
 423   //
 424
 425   dm[18]= 253.;
 426   dm[19]= 258.;
 427   dm[20]= 270.9;
 428
 429   gMC->Gsvolu("TOFC","PCON",idtmed[4],dm,21);
 430
 431   // Daughter volumes
 432
 433   // Tpc SAndwich 5 - Tedlar
 434
 435   dm[0]= 258.;
 436   dm[1]= 260.05;
 437   dm[2]= 251.7;
 438
 439   gMC->Gsvolu("TSA5","TUBE",idtmed[9],dm,3);
 440
 441   // Tpc SAndwich 6 - Kevlar
 442
 443   dm[0] += 5.e-3;
 444   dm[1] -= 5.e-3;
 445
 446   gMC->Gsvolu("TSA6","TUBE",idtmed[5],dm,3);
 447
 448
 449   // Tpc SAndwich 7 - NOMEX
 450
 451   dm[0] += 0.02;
 452   dm[1] -= 0.02;
 453
 454   gMC->Gsvolu("TSA7","TUBE",idtmed[6],dm,3);
 455
 456   // 7->6->5->TOFC
 457
 458   gMC->Gspos("TSA7",1,"TSA6",0.,0.,0.,0,"ONLY");
 459   gMC->Gspos("TSA6",1,"TSA5",0.,0.,0.,0,"ONLY");
 460
 461   gMC->Gspos("TSA5",1,"TOFC",0.,0.,0.,0,"ONLY");
 462
 463   // TOFC->TOIN
 464
 465   gMC->Gspos("TOFC",1,"TOIN",0.,0.,0.,0,"ONLY");
 466
 467   // TOIN->TPC
 468
 469   gMC->Gspos("TOIN",1,"TPC ",0.,0.,0.,0,"ONLY");
 470
 471   //--------------------------------------------------------------------
 472   // Tpc Inner INsulator (CO2)
 473   //--------------------------------------------------------------------
 474
 475
 476   dm[0]=0.;
 477   dm[1]= 360.;
 478   dm[2]= 15.;
 479
 480   //
 481
 482   dm[3]= -255.6;
 483   dm[4]= 66.2;
 484   dm[5]= 74.8;
 485
 486   //
 487
 488   Float_t tanL = (66.2-59.0)/(255.6-73.3); // tangent of the left cone part
 489
 490   dm[6]= -253.6;
 491   dm[7]= 59.0+ (253.6-73.3)*tanL;
 492   dm[8]= 74.8;
 493
 494   //
 495
 496   dm[9]= -253.6;
 497   dm[10]= dm[7];
 498   dm[11]= 79.2;
 499
 500   //
 501
 502   dm[12]= -73.3;
 503   dm[13]= 59.0;
 504   dm[14]= 79.2;
 505
 506   //
 507
 508   dm[15]= -73.3;
 509   dm[16]= 56.9;
 510   dm[17]= 79.2;
 511
 512   //
 513
 514   dm[18]= -72.1;
 515   dm[19]= 59.6;
 516   dm[20]= 79.2;
 517
 518   //
 519
 520   dm[21]= -72.1;
 521   dm[22]= 60.65;
 522   dm[23]= 79.2;
 523
 524   //
 525
 526   dm[24]= 72.1;
 527   dm[25]= 60.65;
 528   dm[26]= 79.2;
 529
 530   //
 531
 532   dm[27]= 72.1;
 533   dm[28]= 59.6;
 534   dm[29]= 79.2;
 535
 536   //
 537
 538   dm[30]= 73.3;
 539   dm[31]= 56.9;
 540   dm[32]= 79.2;
 541
 542   //
 543
 544   dm[33]= 73.3;
 545   dm[34]= 59.0;
 546   dm[35]= 79.2;
 547
 548   //
 549
 550   dm[36]= 250.4;
 551   dm[37]= 66.0;
 552   dm[38]= 79.2;
 553
 554   //
 555
 556   dm[39]= 253.0;
 557   dm[40]= 66.0;
 558   dm[41]= 79.2;
 559
 560   //
 561
 562   dm[42]= 253.0;
 563   dm[43]= 75.3;
 564   dm[44]= 79.2;
 565
 566   //
 567
 568   dm[45]= 253.6;
 569   dm[46]= 75.3;
 570   dm[47]= 79.2;
 571
 572   gMC->Gsvolu("TIIN","PCON",idtmed[3],dm,48);
 573
 574
 575   //--------------------------------------------------------------------
 576   //  Tpc Inner Containment vessel, Left part
 577   //  mother volume - Al, daughter - composite (sandwich)
 578   //--------------------------------------------------------------------
 579
 580   dm[0]= 0.;
 581   dm[1]= 360.;
 582   dm[2]= 8.;
 583
 584   //
 585
 586   dm[3]= -255.6;
 587   dm[4]= 66.2;
 588   dm[5]= 74.8;
 589
 590   //
 591
 592   Float_t cosL = 1./TMath::Sqrt(1.+tanL*tanL);
 593   Float_t sandThick = 2.14; // cone composite thickness
 594
 595
 596   //
 597
 598   dm[6]= -253.6;
 599   dm[7]= 59.0 + (253.6-73.3)*tanL;
 600   dm[8]= 74.8;
 601
 602   //
 603
 604   dm[9]= -253.6;
 605   dm[10]= dm[7];
 606   dm[11]= dm[7]+sandThick/cosL;
 607
 608   //
 609
 610   dm[12]= -75.6;
 611   dm[13]= 59.0+(75.6-73.3)*tanL;
 612   dm[14]= dm[13]+sandThick/cosL;
 613
 614   //
 615
 616   dm[15]= -75.6;
 617   dm[16]= dm[13];
 618   dm[17]= 60.65;
 619
 620   //
 621
 622   dm[18]= -73.3;
 623   dm[19]= 59.0;
 624   dm[20]= 60.65;
 625
 626   //
 627
 628   dm[21]= -73.3;
 629   dm[22]= 56.9;
 630   dm[23]= 60.65;
 631
 632   //
 633
 634   dm[24]= -72.1;
 635   dm[25]= 56.9;
 636   dm[26]= 60.65;
 637
 638   gMC->Gsvolu("TICL","PCON",idtmed[4],dm,27);
 639
 640   // Daughter volumes
 641
 642   // Tpc SAndwich 9 - Al
 643
 644   dm[0]= 0.;
 645   dm[1]= 360.;
 646   dm[2]= 2.;
 647
 648   //
 649
 650   dm[3]= - 254.3;
 651   dm[4]= 59.0+(254.3-73.3)*tanL;
 652   dm[5]= dm[4]+sandThick/cosL;
 653
 654   //
 655
 656   dm[6]= -78.3;
 657   dm[7]= 59.0+(78.3-73.3)*tanL;
 658   dm[8]= dm[7]+sandThick/cosL;
 659
 660   //
 661
 662   gMC->Gsvolu("TSA9","PCON",idtmed[4],dm,9);
 663
 664   // Tpc SAndwich 10 - Tedlar
 665
 666   dm[4]+= 5.e-3/cosL;
 667   dm[5]-= 5.e-3/cosL;
 668
 669   //
 670
 671   dm[7]+= 5.e-3/cosL;
 672   dm[8]+= 5.e-3/cosL;
 673
 674   gMC->Gsvolu("TS10","PCON",idtmed[9],dm,9);
 675
 676   // Tpc SAndwich 11 - Kevlar
 677
 678   dm[4]+= 5.e-3/cosL;
 679   dm[5]-= 5.e-3/cosL;
 680
 681   //
 682
 683   dm[7]+= 5.e-3/cosL;
 684   dm[8]+= 5.e-3/cosL;
 685
 686   gMC->Gsvolu("TS11","PCON",idtmed[5],dm,9);
 687
 688   // Tpc SAndwich 12 - NOMEX
 689
 690   dm[4]+= 0.06/cosL;
 691   dm[5]-= 0.06/cosL;
 692
 693   //
 694
 695   dm[7]+= 0.06/cosL;
 696   dm[8]+= 0.06/cosL;
 697
 698   gMC->Gsvolu("TS12","PCON",idtmed[6],dm,9);
 699
 700   // 12->11->10->9
 701
 702   gMC->Gspos("TS12",1,"TS11",0.,0.,0.,0,"ONLY");
 703   gMC->Gspos("TS11",1,"TS10",0.,0.,0.,0,"ONLY");
 704   gMC->Gspos("TS10",1,"TSA9",0.,0.,0.,0,"ONLY");
 705
 706   // TSA9->TICL
 707
 708   gMC->Gspos("TSA9",1,"TICL",0.,0.,0.,0,"ONLY");
 709
 710   //--------------------------------------------------------------------
 711   //  Tpc Inner Containment vessel, Right part
 712   //  mother volume - Al, daughter - composite (sandwich)
 713   //--------------------------------------------------------------------
 714
 715   dm[0]= 0.;
 716   dm[1]= 360.;
 717   dm[2]=8.;
 718
 719   //
 720
 721   dm[3]= 72.1;
 722   dm[4]= 56.9;
 723   dm[5]= 60.65;
 724
 725   //
 726
 727   dm[6]= 73.3;
 728   dm[7]= 56.9;
 729   dm[8]= 60.65;
 730
 731   //
 732
 733   dm[9]= 73.3;
 734   dm[10]= 59.0;
 735   dm[11]= 60.65;
 736
 737   //
 738
 739   Float_t tanR = (66.0-59.0)/(250.5-73.3); // to avoid accuracy problems
 740   Float_t cosR = 1./TMath::Sqrt(1.+tanR*tanR); //as above
 741
 742   //
 743
 744   dm[12]= 75.6;
 745   dm[13]= 59.0+(75.6-73.3)*tanR;
 746   dm[14]= 60.65;
 747
 748   //
 749
 750   dm[15]= 75.6;
 751   dm[16]= dm[13];
 752   dm[17]= dm[16]+sandThick/cosR;
 753
 754   //
 755
 756   dm[18]= 248.4;
 757   dm[19]= 59.0+(248.4-73.3)*tanR;
 758   dm[20]= dm[19]+sandThick/cosR;
 759
 760   //
 761
 762   dm[21]= 248.4;
 763   dm[22]= dm[19];
 764   dm[23]= 70.2;
 765
 766   //
 767
 768   dm[24]= 250.4;
 769   dm[25]= 66.0;
 770   dm[26]= 70.2;
 771
 772   gMC->Gsvolu("TICR","PCON",idtmed[4],dm,27);
 773
 774
 775
 776   // Daughter volumes
 777
 778   // Tpc SAndwich 13 - Al
 779
 780   dm[0]= 0.;
 781   dm[1]= 360.;
 782   dm[2]= 2.;
 783
 784   //
 785
 786   dm[3]= 78.3;
 787   dm[4]= 59.0+(78.3-73.3)*tanR;
 788   dm[5]= dm[4]+sandThick/cosR;
 789
 790   //
 791
 792   dm[6]= 249.1;
 793   dm[7]= 59.0+(249.1-73.3)*tanR;
 794   dm[8]= dm[7]+sandThick/cosR;
 795
 796   //
 797
 798   gMC->Gsvolu("TS13","PCON",idtmed[4],dm,9);
 799
 800   // Tpc SAndwich 14 - Tedlar
 801
 802   dm[4]+= 5.e-3/cosR;
 803   dm[5]-= 5.e-3/cosR;
 804
 805   //
 806
 807   dm[7]+= 5.e-3/cosR;
 808   dm[8]+= 5.e-3/cosR;
 809
 810   gMC->Gsvolu("TS14","PCON",idtmed[9],dm,9);
 811
 812   // Tpc SAndwich 15 - Kevlar
 813
 814   dm[4]+= 5.e-3/cosR;
 815   dm[5]-= 5.e-3/cosR;
 816
 817   //
 818
 819   dm[7]+= 5.e-3/cosR;
 820   dm[8]+= 5.e-3/cosR;
 821
 822   gMC->Gsvolu("TS15","PCON",idtmed[5],dm,9);
 823
 824   // Tpc SAndwich 16 - NOMEX
 825
 826   dm[4]+= 0.06/cosR;
 827   dm[5]-= 0.06/cosR;
 828
 829   //
 830
 831   dm[7]+= 0.06/cosR;
 832   dm[8]+= 0.06/cosR;
 833
 834   gMC->Gsvolu("TS16","PCON",idtmed[6],dm,9);
 835
 836   // 16->15->14->13
 837
 838   gMC->Gspos("TS16",1,"TS15",0.,0.,0.,0,"ONLY");
 839   gMC->Gspos("TS15",1,"TS14",0.,0.,0.,0,"ONLY");
 840   gMC->Gspos("TS14",1,"TS13",0.,0.,0.,0,"ONLY");
 841
 842   // TS12->TICR
 843
 844   gMC->Gspos("TS13",1,"TICR",0.,0.,0.,0,"ONLY");
 845
 846   //------------------------------------------------------
 847   // Tpc Inner Field Cage
 848   // mother volume - Al, daughters - composite (sandwich)
 849   //------------------------------------------------------
 850
 851   dm[0]= 0.;
 852   dm[1]= 360.;
 853   dm[2]=6.;
 854
 855   //
 856
 857   dm[3]= -253.0;
 858   dm[4]= 70.7;
 859   dm[5]= 79.2;
 860
 861   //
 862
 863   dm[6]= -251.0;
 864   dm[7]= 70.7;
 865   dm[8]= 79.2;
 866
 867   //
 868
 869   dm[9]= -251.0;
 870   dm[10]= 77.15;
 871   dm[11]= 79.2;
 872
 873   //
 874
 875   dm[12]= 251.0;
 876   dm[13]= 77.15;
 877   dm[14]= 79.2;
 878
 879   //
 880
 881   dm[15]= 251.0;
 882   dm[16]= 66.0;
 883   dm[17]= 79.2;
 884
 885   //
 886
 887   dm[18]= 253.0;
 888   dm[19]= 66.0;
 889   dm[20]= 79.2;
 890
 891   gMC->Gsvolu("TIFC","PCON",idtmed[4],dm,21);
 892
 893   // Daughter volumes
 894
 895   // Tpc Sandwich 17 - Tedlar
 896
 897   dm[0]= 77.15;
 898   dm[1]= 79.2;
 899   dm[2]= 251.7;
 900
 901   gMC->Gsvolu("TS17","TUBE",idtmed[9],dm,3);
 902
 903   // Tpc Sandwich 18 - Kevlar
 904
 905   dm[0]+= 5.e-3;
 906   dm[1]-= 5.e-3;
 907
 908   gMC->Gsvolu("TS18","TUBE",idtmed[5],dm,3);
 909
 910
 911   // Tpc Sandwich 19 - NOMEX
 912
 913   dm[0]+= 0.02;
 914   dm[1]-= 0.02;
 915
 916   gMC->Gsvolu("TS19","TUBE",idtmed[6],dm,3);
 917
 918   // 19->18->17
 919
 920   gMC->Gspos("TS19",1,"TS18",0.,0.,0.,0,"ONLY");
 921   gMC->Gspos("TS18",1,"TS17",0.,0.,0.,0,"ONLY");
 922
 923   // TS17->TIFC
 924
 925   gMC->Gspos("TS17",1,"TIFC",0.,0.,0.,0,"ONLY");
 926
 927   // TPC Rings
 928
 929   dm[0]= 70.7;
 930   dm[1]= 79.2;
 931   dm[2]= 0.3;
 932
 933   gMC->Gsposp("TPCR",4,"TIIN",0.,0.,-253.3,0,"ONLY",dm,3);
 934
 935   dm[0]= 66.0;
 936   dm[1]= 70.2;
 937
 938   gMC->Gsposp("TPCR",5,"TIIN",0.,0.,250.7,0,"ONLY",dm,3);
 939
 940   dm[0]= 75.3;
 941   dm[1]= 79.2;
 942
 943   gMC->Gsposp("TPCR",6,"TIIN",0.,0.,253.3,0,"ONLY",dm,3);
 944
 945   // TICL->TIIN
 946
 947   gMC->Gspos("TICL",1,"TIIN",0.,0.,0.,0,"ONLY");
 948
 949   // TICR->TIIN
 950
 951   gMC->Gspos("TICR",1,"TIIN",0.,0.,0.,0,"ONLY");
 952
 953   // TIFC->TIIN
 954
 955   gMC->Gspos("TIFC",1,"TIIN",0.,0.,0.,0,"ONLY");
 956
 957   // Tpc Sandwich 21 - Al (central barrel)
 958
 959   dm[0]= 60.65;
 960   dm[1]= 61.21;
 961   dm[2]= 75.2;
 962
 963   gMC->Gsvolu("TS21","TUBE",idtmed[4],dm,3);
 964
 965   // Tpc Sandwich 22 - Tedlar (central barrel)
 966
 967   dm[0]+= 5.e-3;
 968   dm[1]-= 5.e-3;
 969
 970   gMC->Gsvolu("TS22","TUBE",idtmed[9],dm,3);
 971
 972   // Tpc Sandwich 23 - Kevlar (central barrel)
 973
 974   dm[0]+= 5.e-3;
 975   dm[1]-= 5.e-3;
 976
 977   gMC->Gsvolu("TS23","TUBE",idtmed[5],dm,3);
 978
 979   // Tpc Sandwich 24 - NOMEX (central barrel)
 980
 981   dm[0]+= 0.02;
 982   dm[1]-= 0.02;
 983
 984   gMC->Gsvolu("TS24","TUBE",idtmed[6],dm,3);
 985
 986   // 24->23->22->21
 987
 988   gMC->Gspos("TS24",1,"TS23",0.,0.,0.,0,"ONLY");
 989   gMC->Gspos("TS23",1,"TS22",0.,0.,0.,0,"ONLY");
 990   gMC->Gspos("TS22",1,"TS21",0.,0.,0.,0,"ONLY");
 991
 992   gMC->Gspos("TS21",1,"TIIN",0.,0.,0.,0,"ONLY");
 993
 994   // put everything into the TPC
 995
 996   gMC->Gspos("TIIN",1,"TPC ",0.,0.,0.,0,"ONLY");
 997
 998
 999   //---------------------------------------------------------
1000   //  Tpc Dift Gas volume Nonsensitive (Ne-CO2 90/10)
1001   //  and its daughters (HV membrane, rods, readout chambers)
1002   //---------------------------------------------------------
1003
1004   dm[0]= 79.2;
1005   dm[1]= 258.0;
1006   dm[2]= 253.6;
1007
1008   gMC->Gsvolu("TDGN","TUBE",idtmed[1],dm,3);
1009
1010   // sector opening angles
1011
1012   Float_t innerOpenAngle = fTPCParam->GetInnerAngle();
1013
1014   // sector angle shift
1015
1016   Float_t innerAngleShift = fTPCParam->GetInnerAngleShift();
1017
1018   // number of sectors
1019
1020   Int_t nInnerSector = fTPCParam->GetNInnerSector()/2;
1021   Int_t nOuterSector = fTPCParam->GetNOuterSector()/2;
1022
1023   // All above parameters are identical for inner and outer
1024   // sectors. The distinction is kept for the historical reasons
1025   // and eventually will disappear.
1026
1027   Float_t tanAlpha = TMath::Tan(0.5*innerOpenAngle);
1028   Float_t cosAlpha = TMath::Sqrt(1.+tanAlpha*tanAlpha);
1029   Float_t space;
1030
1031   //-------------------------------------------------------------------------
1032   //   Tpc Inner Readout Chambers
1033   //-------------------------------------------------------------------------
1034
1035   dm[0]= 14.483;
1036   dm[1]= 23.3345;
1037   dm[2]= 1.6; // thickness
1038   dm[3]= 25.1;
1039
1040   gMC->Gsvolu("TIRC","TRD1",idtmed[4],dm,4);
1041
1042   // this volume will be positioned in the empty space
1043   // of the end-cap to avoid overlaps
1044
1045   dm[0]= 13.7305;
1046   dm[1]= 21.1895;
1047   dm[2]= 2.25;
1048   dm[3]= 21.15;
1049
1050   gMC->Gsvolu("TIC1","TRD1",idtmed[4],dm,4);
1051
1052
1053   //------------------------------------------------
1054   // Tpc Inner readout chamber Pad Plane
1055   //------------------------------------------------
1056
1057   dm[0]= 14.483;
1058   dm[1]= 23.3345;
1059   dm[2]= 0.5;
1060   dm[3]= 25.1;
1061
1062   gMC->Gsvolu("TIPP","TRD1",idtmed[12],dm,4);
1063
1064   //
1065
1066   dm[0] -= 1.218511934;
1067   dm[1] -= 1.218511934;
1068   dm[2] = 0.35;
1069
1070   gMC->Gsvolu("TIC3","TRD1",idtmed[1],dm,4);
1071
1072   gMC->Gspos("TIC3",1,"TIPP",0.,0.15,0.,0,"ONLY");
1073
1074   gMC->Gspos("TIPP",1,"TIRC",0.,1.1,0.,0,"ONLY");
1075
1076
1077   //----------------------------------------------
1078   // Tpc Readout Chambers Empty spaces - for both
1079   // inner and outer sectors
1080   //----------------------------------------------
1081
1082   gMC->Gsvolu("TRCE","TRD1",idtmed[0],dm,0);
1083
1084   // Inner sector - 4 spaces
1085
1086
1087   dm[3] = 4.7625;
1088   dm[0] = 12.472;
1089
1090   Float_t rr = 90.52;
1091   Float_t zz;
1092
1093   zz= -12.7875;
1094
1095   space = rr*tanAlpha-dm[0];
1096
1097   for(Int_t nsLow=0;nsLow<4;nsLow++){
1098
1099     rr += 9.525;
1100     dm[1]= rr*tanAlpha - space;
1101
1102     dm[2]=0.8;
1103
1104     gMC->Gsposp("TRCE",nsLow+1,"TIRC",0.,-0.8,zz,0,"ONLY",dm,4);
1105
1106     //
1107
1108     dm[2] = 1.2;
1109
1110     gMC->Gsposp("TRCE",nsLow+5,"TIC1",0.,1.05,zz-2.1,0,"ONLY",dm,4);
1111
1112     rr += 0.4;
1113     dm[0] = rr*tanAlpha - space;
1114     zz += (0.4+9.525);
1115
1116   }
1117
1118   dm[0]= 12.472;
1119   // dm[1] - this is the dm[1] from the previous TRCE
1120   dm[2]= 1.05;
1121   dm[3]= 19.65;
1122
1123   gMC->Gsposp("TRCE",9,"TIC1",0.,-1.2,0.,0,"ONLY",dm,4);
1124
1125   //
1126   // TPc Space for Connectors
1127   //
1128
1129   dm[0]= .3;
1130   dm[1]= .3;
1131   dm[2]= 4.5;
1132
1133   gMC->Gsvolu("TPSC","BOX ",idtmed[0],dm,3);
1134
1135   // TPC Connectors
1136
1137   dm[0]= .25;
1138   dm[1]= .15;
1139   dm[2]= 3.75;
1140
1141   gMC->Gsvolu("TPCC","BOX ",idtmed[13],dm,3);
1142
1143   gMC->Gspos("TPCC",1,"TPSC",0.,0.15,0.,0,"ONLY");
1144
1145   zz = -12.7875;
1146
1147
1148   Float_t alpha;
1149   Float_t astep;
1150
1151   Float_t phi1,phi2,phi3,theta1,theta2,theta3; // rotation angles
1152
1153   // inner part of the inner sector - 2 x 20 holes
1154
1155   astep = 20.00096874/19.;
1156
1157   alpha = 10.00048437-astep;
1158
1159   Float_t x1,x2;
1160
1161     x1 = 13.31175725;
1162     x1 -= 0.996357832;
1163
1164     x2 = 15.06180253;
1165     x2 -= 1.163028812;
1166
1167   Int_t ncon;
1168
1169   for(ncon=0;ncon<20;ncon++){
1170
1171     phi1 = 0.;
1172     theta1 = 90.+alpha;
1173     phi2=90.;
1174     theta2 = 90.;
1175     phi3 = (alpha>0) ? 0. : 180.;
1176     theta3 = TMath::Abs(alpha);
1177
1178     AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
1179
1180
1181
1182     gMC->Gspos("TPSC",ncon+1,"TIRC",x1,0.3,-12.7875,idrotm[nRotMat],"ONLY");
1183     gMC->Gspos("TPSC",ncon+21,"TIRC",x2,0.3,-2.8625,idrotm[nRotMat],"ONLY");
1184
1185
1186     x1 -= 1.296357833;
1187     x2 -= 1.463028812;
1188
1189     alpha -= astep;
1190     nRotMat++;
1191
1192   }
1193
1194   // outer part of the inner sector - 2 x 25 holes
1195
1196    astep = 20.00096874/24.;
1197    alpha = 10.00048437-astep;
1198
1199    x1 = 16.81184781;
1200    x1 -= 1.016295986;
1201
1202    x2 = 18.5618931;
1203    x2 -= 1.150914854;
1204
1205   for(ncon=0;ncon<25;ncon++){
1206
1207     phi1 = 0.;
1208     theta1 = 90.+alpha;
1209     phi2=90.;
1210     theta2 = 90.;
1211     phi3 = (alpha>0) ? 0. : 180.;
1212     theta3 = TMath::Abs(alpha);
1213
1214     AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
1215
1216
1217
1218     gMC->Gspos("TPSC",ncon+41,"TIRC",x1,0.3,7.0625,idrotm[nRotMat],"ONLY");
1219     gMC->Gspos("TPSC",ncon+66,"TIRC",x2,0.3,16.9875,idrotm[nRotMat],"ONLY");
1220
1221
1222     x1 -= 1.316295986;
1223     x2 -= 1.450914854;
1224
1225     alpha -= astep;
1226     nRotMat++;
1227
1228   }
1229
1230   //--------------------------------------------------------------------------
1231   //  TPC Outer Readout Chambers
1232   //  this is NOT a final design
1233   //--------------------------------------------------------------------------
1234
1235   dm[0]= 23.3875;
1236   dm[1]= 43.524;
1237   dm[2]= 1.5; //thickness
1238   dm[3]= 57.1;
1239
1240   gMC->Gsvolu("TORC","TRD1",idtmed[4],dm,4);
1241
1242   //------------------------------------------------
1243   // Tpc Outer readout chamber Pad Plane
1244   //------------------------------------------------
1245
1246   dm[2]= 0.5;
1247
1248   gMC->Gsvolu("TOPP","TRD1",idtmed[12],dm,4);
1249
1250   dm[0] -= 1.218511934;
1251   dm[1] -= 1.218511934;
1252   dm[2] = 0.35;
1253
1254   gMC->Gsvolu("TOC3","TRD1",idtmed[1],dm,4);
1255
1256   gMC->Gspos("TOC3",1,"TOPP",0.,0.15,0.,0,"ONLY");
1257
1258   gMC->Gspos("TOPP",1,"TORC",0.,1.0,0.,0,"ONLY");
1259
1260   // empty space
1261
1262   dm[0]= 21.035;
1263   dm[1]= 38.7205;
1264   dm[2]= 0.7;
1265   dm[3]= 50.15;
1266
1267   gMC->Gsposp("TRCE",10,"TORC",0.,-0.8,-2.15,0,"ONLY",dm,4);
1268
1269   dm[0]= 22.2935;
1270   dm[1]= 40.5085;
1271   dm[2]= 2.25;
1272   dm[3]= 51.65;
1273
1274   gMC->Gsvolu("TOC1","TRD1",idtmed[4],dm,4);
1275
1276   dm[0]= 21.35;
1277   dm[1]= 38.7205;
1278   dm[2]= 2.25;
1279   dm[3]= 50.15;
1280
1281   gMC->Gsposp("TRCE",11,"TOC1",0.,0.,0.,0,"ONLY",dm,4);
1282
1283   //-----------------------------------------------
1284   // Tpc Services Support Wheel
1285   //-----------------------------------------------
1286
1287   dm[0]=0.;
1288   dm[1]=360.;
1289   dm[2]=18.;
1290   dm[3]=2.;
1291
1292   dm[4]= -5.;
1293   dm[5]= 77.017;
1294   dm[6]= 255.267;
1295
1296   dm[7]= 5.;
1297   dm[8]= dm[5];
1298   dm[9]= dm[6];
1299
1300   gMC->Gsvolu("TSSW","PGON",idtmed[4],dm,10);
1301
1302   // Tpc Services Wheel Cover
1303
1304   dm[4]= -0.5;
1305   dm[7]= 0.5;
1306
1307   gMC->Gsvolu("TSWC","PGON",idtmed[4],dm,10);
1308
1309   // Tpc Service wheel Cover Empty space
1310
1311   dm[0]= 10.99;
1312   dm[1]= 39.599;
1313   dm[2]= .5;
1314   dm[3]= 81.125;
1315
1316   gMC->Gsvolu("TSCE","TRD1",idtmed[0],dm,4);
1317
1318   // Tpc services Wheel Empty Spaces
1319
1320   dm[0]= 13.18017507;
1321   dm[1]= 44.61045938;
1322   dm[2]= 4.;
1323   dm[3]= 89.125;
1324
1325   gMC->Gsvolu("TWES","TRD1",idtmed[0],dm,4);
1326
1327   // Tpc Services Wheel Bars
1328
1329   gMC->Gsvolu("TSWB","TRD1",idtmed[4],dm,0);
1330
1331   // bars-> TWES
1332
1333   dm[2]= 4.;
1334   dm[3]= .4;
1335
1336   dm[0]= 13.8149522;
1337   dm[1]= 13.95601379;
1338
1339   gMC->Gsposp("TSWB",1,"TWES",0.,0.,-85.125,0,"ONLY",dm,4);
1340
1341   dm[0]= 43.83462067;
1342   dm[1]= 43.97568225;
1343
1344   gMC->Gsposp("TSWB",2,"TWES",0.,0.,85.125,0,"ONLY",dm,4);
1345
1346   // TPc ELectronics - right now 30% X0 Si
1347
1348   dm[0]= 14.03813696;
1349   dm[1]= 43.3524075;
1350   dm[2]= 1.404;
1351   dm[3]= 83.125;
1352
1353   gMC->Gsvolu("TPEL","TRD1",idtmed[11],dm,4);
1354   gMC->Gspos("TPEL",1,"TWES",0.,0.,0.,0,"ONLY");
1355
1356   //--------------------------------------------------------------------------
1357   //  End caps
1358   //--------------------------------------------------------------------------
1359
1360   // TPc Main Wheel - Al
1361
1362   dm[0]= 75.3;
1363   dm[1]= 264.8;
1364   dm[2]= 3.0;
1365
1366   gMC->Gsvolu("TPMW","TUBE",idtmed[4],dm,3);
1367
1368   // TPc Extra Wheel (to avoid overlapping) - Al
1369
1370   dm[0]= 264.8;
1371   dm[1]= 277.0;
1372   dm[2]= 1.95;
1373
1374   gMC->Gsvolu("TPEW","TUBE",idtmed[4],dm,3);
1375
1376   //--------------------------------------------------------------------------
1377   //  Tpc Empty Space for the Readout chambers
1378   //--------------------------------------------------------------------------
1379
1380   Float_t rLow= 86.2;
1381   Float_t rUp= 243.5;
1382   Float_t dR = 0.5*(rUp-rLow);
1383
1384   space= 1.4/cosAlpha; // wheel ribs are 2.8 cm wide
1385
1386   dm[0]= rLow*tanAlpha-space;
1387   dm[1]= rUp*tanAlpha-space;
1388   dm[2] = 3.0;
1389   dm[3]= dR;
1390
1391   gMC->Gsvolu("TESR","TRD1",idtmed[0],dm,4);
1392
1393   // TIC1->TESR
1394
1395   gMC->Gspos("TIC1",1,"TESR",0.,0.75,-dR+23.97,0,"ONLY");
1396
1397   // TOC1->TESR
1398
1399   gMC->Gspos("TOC1",1,"TESR",0.,0.75,dR-55.02,0,"ONLY");
1400
1401   // Tpc Empty Space Bars - Al (daughters of TESR)
1402
1403   Float_t zBar;
1404
1405   gMC->Gsvolu("TESB","TRD1",idtmed[4],dm,0);
1406
1407   // lower bar
1408
1409   dm[0]= rLow*tanAlpha-space;
1410   dm[1]= 88.7*tanAlpha-space;
1411   dm[2]= 0.95;
1412   dm[3]= 1.275;
1413
1414   zBar = -dR+dm[3];
1415
1416   gMC->Gsposp("TESB",1,"TESR",0.,2.05,zBar,0,"ONLY",dm,4);
1417
1418   // middle bar
1419
1420   dm[0]= 131.65*tanAlpha-space;
1421   dm[1]= 136.5*tanAlpha-space;
1422   dm[3]= 2.425;
1423
1424   zBar = -dR +131.65+dm[3]-rLow;
1425
1426   gMC->Gsposp("TESB",2,"TESR",0.,2.05,zBar,0,"ONLY",dm,4);
1427
1428   // upper bar
1429
1430   dm[0]= 240.4*tanAlpha-space;
1431   dm[1]= rUp*tanAlpha-space;
1432   dm[3]= 1.55;
1433
1434   zBar = dR-dm[3];
1435
1436   gMC->Gsposp("TESB",3,"TESR",0.,2.05,zBar,0,"ONLY",dm,4);
1437
1438   //  positioning of the empty spaces into the main wheel
1439
1440
1441
1442   Float_t rCenter,xc,yc;
1443   Float_t rInner,rOuter; // center of the inner and outer chamber
1444
1445   rCenter = rLow+dR;
1446
1447   rInner = 108.07;
1448   rOuter = 190.68;
1449
1450
1451   for(Int_t ns=0; ns<nInnerSector;ns++){
1452
1453     phi1 = ns * innerOpenAngle + innerAngleShift;
1454     phi1 *= kRaddeg; // in degrees
1455
1456     phi1 = (Float_t)TMath::Nint(phi1) + 270.;
1457
1458     if (phi1 > 360.) phi1 -= 360.;
1459
1460     theta1 = 90.;
1461     phi2   = 90.;
1462     theta2 = 180.;
1463     phi3   = ns * innerOpenAngle + innerAngleShift;
1464     phi3 *= kRaddeg; // in degrees
1465
1466     phi3 = (Float_t)TMath::Nint(phi3);
1467
1468     if(phi3 > 360.) phi3 -= 360.;
1469
1470     theta3 = 90.;
1471
1472     // "holes"->End plate
1473
1474     xc = rCenter*TMath::Cos(phi3*kDegrad);
1475     yc = rCenter*TMath::Sin(phi3*kDegrad);
1476
1477     AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
1478
1479     gMC->Gspos("TESR",ns+1,"TPMW",xc,yc,0.,idrotm[nRotMat],"ONLY");
1480
1481     // TSCE->TSWC (services wheel volumes)
1482
1483     xc = 166.142*TMath::Cos(phi3*kDegrad);
1484     yc = 166.142*TMath::Sin(phi3*kDegrad);
1485
1486     gMC->Gspos("TSCE",ns+1,"TSWC",xc,yc,0.,idrotm[nRotMat],"ONLY");
1487     gMC->Gspos("TWES",ns+1,"TSSW",xc,yc,0.,idrotm[nRotMat],"ONLY");
1488
1489
1490     // readout chambers->TDGN (drift gas)
1491
1492     xc = rInner*TMath::Cos(phi3*kDegrad);
1493     yc = rInner*TMath::Sin(phi3*kDegrad);
1494
1495     gMC->Gspos("TIRC",ns+1,"TDGN",xc,yc,252.,idrotm[nRotMat],"ONLY");
1496
1497     xc = rOuter*TMath::Cos(phi3*kDegrad);
1498     yc = rOuter*TMath::Sin(phi3*kDegrad);
1499
1500     gMC->Gspos("TORC",ns+1,"TDGN",xc,yc,252.1,idrotm[nRotMat],"ONLY");
1501
1502     nRotMat++;
1503
1504     theta2 = 0.; // reflection
1505
1506     AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
1507
1508     xc = rInner*TMath::Cos(phi3*kDegrad);
1509     yc = rInner*TMath::Sin(phi3*kDegrad);
1510
1511     gMC->Gspos("TIRC",ns+nInnerSector+1,"TDGN",xc,yc,-252.,idrotm[nRotMat],"ONLY");
1512
1513     xc = rOuter*TMath::Cos(phi3*kDegrad);
1514     yc = rOuter*TMath::Sin(phi3*kDegrad);
1515
1516     gMC->Gspos("TORC",ns+nOuterSector+1,"TDGN",xc,yc,-252.1,idrotm[nRotMat],"ONLY");
1517
1518     nRotMat++;
1519
1520   }
1521
1522   // reflection matrix
1523
1524   theta1 = 90.;
1525   phi1   = 0.;
1526   theta2 = 90.;
1527   phi2   = 270.;
1528   theta3 = 180.;
1529   phi3   = 0.;
1530
1531   AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
1532
1533
1534   // TPMW->TPC
1535
1536   gMC->Gspos("TPMW",1,"TPC ",0.,0.,256.6,0,"ONLY");
1537   gMC->Gspos("TPMW",2,"TPC ",0.,0.,-256.6,idrotm[nRotMat],"ONLY");
1538   gMC->Gspos("TPEW",1,"TPC ",0.,0.,257.65,0,"ONLY");
1539   gMC->Gspos("TPEW",2,"TPC ",0.,0.,-257.65,0,"ONLY");
1540
1541
1542
1543   //-------------------------------------------------------
1544   // Tpc High Voltage Membrane - NOMEX honeycomb
1545   //-------------------------------------------------------
1546
1547   dm[0]=0.,
1548   dm[1]=360.;
1549   dm[2]=18.;
1550   dm[3]=2.;
1551
1552   //
1553
1554   dm[4]= -0.3;
1555   dm[5]= 81.156;
1556   dm[6]= 253.386;
1557
1558   //
1559
1560   dm[7]= 0.3;
1561   dm[8]= dm[5];
1562   dm[9]= dm[6];
1563
1564   gMC->Gsvolu("THVM","PGON",idtmed[6],dm,10);
1565
1566   gMC->Gspos("THVM",1,"TDGN",0.,0.,0.,0,"ONLY");
1567
1568   //----------------------------------------------------------
1569   // TPc Support Rods - MAKROLON
1570   //----------------------------------------------------------
1571
1572   dm[0]= 0.9;
1573   dm[1]= 1.2;
1574   dm[2]= 126.65;
1575
1576   gMC->Gsvolu("TPSR","TUBE",idtmed[7],dm,3);
1577
1578   for(Int_t nrod=1;nrod<18;nrod++){
1579     Float_t angle=innerOpenAngle*(Float_t)nrod;
1580
1581     xc=82.4*TMath::Cos(angle);
1582     yc=82.4*TMath::Sin(angle);
1583
1584     gMC->Gspos("TPSR",nrod,"TDGN",xc,yc,126.95,0,"ONLY");
1585     gMC->Gspos("TPSR",nrod+17,"TDGN",xc,yc,-126.95,0,"ONLY");
1586
1587     xc=254.2*TMath::Cos(angle);
1588     yc=254.2*TMath::Sin(angle);
1589
1590     gMC->Gspos("TPSR",nrod+34,"TDGN",xc,yc,126.95,0,"ONLY");
1591     gMC->Gspos("TPSR",nrod+51,"TDGN",xc,yc,-126.95,0,"ONLY");
1592
1593   }
1594
1595   //----------------------------------------------------------
1596   // Tpc High Voltage rod - MAKROLON + Copper cable
1597   //----------------------------------------------------------
1598
1599   // rod with cable (Left)
1600
1601   dm[0]=0.;
1602   dm[1]=2.25;
1603   dm[2]=126.65;
1604
1605   gMC->Gsvolu("THVL","TUBE",idtmed[7],dm,3);
1606
1607   // HV cable
1608
1609   dm[0]=0.;
1610   dm[1]=0.3;
1611   dm[2]=126.65;
1612
1613   gMC->Gsvolu("THVC","TUBE",idtmed[10],dm,3);
1614
1615   // empty space
1616
1617   dm[0]=0.3;
1618   dm[1]=1.;
1619   dm[2]=126.65;
1620
1621   gMC->Gsvolu("THVE","TUBE",idtmed[1],dm,3);
1622
1623   gMC->Gspos("THVC",1,"THVL",0.,0.,0.,0,"ONLY");
1624   gMC->Gspos("THVE",1,"THVL",0.,0.,0.,0,"ONLY");
1625
1626   // rod without cable
1627
1628   dm[0]=1.8;
1629   dm[1]=2.25;
1630   dm[2]=126.65;
1631
1632   gMC->Gsvolu("THVR","TUBE",idtmed[7],dm,3);
1633
1634
1635
1636   gMC->Gspos("THVL",1,"TDGN",82.4,0.,-126.95,0,"ONLY");
1637   gMC->Gspos("THVL",2,"TDGN",254.2,0.,-126.95,0,"ONLY");
1638
1639   gMC->Gspos("THVR",1,"TDGN",82.4,0.,126.95,0,"ONLY");
1640   gMC->Gspos("THVR",2,"TDGN",254.2,0.,126.95,0,"ONLY");
1641
1642
1643
1644   gMC->Gspos("TDGN",1,"TPC ",0.,0.,0.,0,"ONLY");
1645
1646
1647   // services wheel cover -> wheel
1648
1649
1650   gMC->Gspos("TSWC",1,"TSSW",0.,0.,4.5,0,"ONLY");
1651   gMC->Gspos("TSWC",2,"TSSW",0.,0.,-4.5,0,"ONLY");
1652
1653
1654   // put the wheel into the TPC
1655
1656   gMC->Gspos("TSSW",1,"TPC ",0.,0.,278.7,0,"ONLY");
1657   gMC->Gspos("TSSW",2,"TPC ",0.,0.,-278.7,0,"ONLY");
1658
1659   //
1660
1661   gMC->Gsord("TPMW",6);
1662   gMC->Gsord("TSSW",6);
1663   gMC->Gsord("TSWC",6);
1664
1665   // put the TPC into ALIC (main mother volume)
1666
1667   gMC->Gspos("TPC ",1,"ALIC",0.,0.,0.,0,"ONLY");
1668
1669 } // end of function
1670
1671
1672 //_____________________________________________________________________________
1673 void AliTPCv0::CreateMaterials()
1674 {
1675   //
1676   // Define materials for the TPC
1677   //
1678   AliTPC::CreateMaterials();
1679 }
1680
1681 //_____________________________________________________________________________
1682 void AliTPCv0::DrawDetector()
1683 {
1684   //
1685   // Draw a shaded view of the Time Projection Chamber version 0
1686   //
1687
1688   // Set everything unseen
1689   gMC->Gsatt("*", "seen", -1);
1690   //
1691   // Set ALIC mother transparent
1692   gMC->Gsatt("ALIC","SEEN",0);
1693   //
1694   // Set the volumes visible
1695   gMC->Gsatt("TPC ","SEEN",0);
1696   gMC->Gsatt("TOIN","SEEN",1);
1697   gMC->Gsatt("TOIN","COLO",7);
1698   gMC->Gsatt("TPCR","SEEN",0);
1699   gMC->Gsatt("TOCV","SEEN",1);
1700   gMC->Gsatt("TOCV","COLO",4);
1701   gMC->Gsatt("TSA1","SEEN",0);
1702   gMC->Gsatt("TSA2","SEEN",0);
1703   gMC->Gsatt("TSA3","SEEN",0);
1704   gMC->Gsatt("TSA4","SEEN",0);
1705   gMC->Gsatt("TOFC","SEEN",1);
1706   gMC->Gsatt("TOFC","COLO",4);
1707   gMC->Gsatt("TSA5","SEEN",0);
1708   gMC->Gsatt("TSA6","SEEN",0);
1709   gMC->Gsatt("TSA7","SEEN",0);
1710   gMC->Gsatt("TIIN","COLO",7);
1711   gMC->Gsatt("TIIN","SEEN",1);
1712   gMC->Gsatt("TICL","SEEN",0);
1713   gMC->Gsatt("TSA9","SEEN",0);
1714   gMC->Gsatt("TS10","SEEN",0);
1715   gMC->Gsatt("TS11","SEEN",0);
1716   gMC->Gsatt("TS12","SEEN",0);
1717   gMC->Gsatt("TICR","SEEN",0);
1718   gMC->Gsatt("TS13","SEEN",0);
1719   gMC->Gsatt("TS14","SEEN",0);
1720   gMC->Gsatt("TS15","SEEN",0);
1721   gMC->Gsatt("TS16","SEEN",0);
1722   gMC->Gsatt("TIFC","SEEN",1);
1723   gMC->Gsatt("TIFC","COLO",4);
1724   gMC->Gsatt("TS17","SEEN",0);
1725   gMC->Gsatt("TS18","SEEN",0);
1726   gMC->Gsatt("TS19","SEEN",0);
1727   gMC->Gsatt("TS21","SEEN",0);
1728   gMC->Gsatt("TS22","SEEN",0);
1729   gMC->Gsatt("TS23","SEEN",0);
1730   gMC->Gsatt("TS24","SEEN",0);
1731   gMC->Gsatt("TDGN","SEEN",0);
1732   gMC->Gsatt("TIRC","SEEN",0);
1733   gMC->Gsatt("TIC1","SEEN",1);
1734   gMC->Gsatt("TIPP","SEEN",0);
1735   gMC->Gsatt("TIC3","SEEN",0);
1736   gMC->Gsatt("TRCE","SEEN",0);
1737   gMC->Gsatt("TPSC","SEEN",0);
1738   gMC->Gsatt("TPCC","SEEN",0);
1739   gMC->Gsatt("TORC","SEEN",0);
1740   gMC->Gsatt("TOPP","SEEN",0);
1741   gMC->Gsatt("TOC3","SEEN",0);
1742   gMC->Gsatt("TOC1","SEEN",1);
1743   gMC->Gsatt("TSSW","SEEN",1);
1744   gMC->Gsatt("TSWC","SEEN",1);
1745   gMC->Gsatt("TSCE","SEEN",1);
1746   gMC->Gsatt("TSSW","COLO",3);
1747   gMC->Gsatt("TSWC","COLO",3);
1748   gMC->Gsatt("TSCE","COLO",6);
1749   gMC->Gsatt("TWES","SEEN",0);
1750   gMC->Gsatt("TSWB","SEEN",0);
1751   gMC->Gsatt("TPEL","SEEN",0);
1752   gMC->Gsatt("TPMW","SEEN",1);
1753   gMC->Gsatt("TPEW","SEEN",1);
1754   gMC->Gsatt("TESR","SEEN",1);
1755   gMC->Gsatt("TPMW","COLO",12);
1756   gMC->Gsatt("TPEW","COLO",12);
1757   gMC->Gsatt("TWES","COLO",5);
1758   gMC->Gsatt("TIC1","COLO",5);
1759   gMC->Gsatt("TOC1","COLO",5);
1760   gMC->Gsatt("TESB","SEEN",0);
1761   gMC->Gsatt("THVM","SEEN",1);
1762   gMC->Gsatt("THVM","COLO",11);
1763   gMC->Gsatt("TPSR","SEEN",0);
1764   gMC->Gsatt("THVL","SEEN",0);
1765   gMC->Gsatt("THVC","SEEN",0);
1766   gMC->Gsatt("THVE","SEEN",0);
1767   gMC->Gsatt("THVR","SEEN",0);
1768   //
1769   gMC->Gdopt("hide", "on");
1770   gMC->Gdopt("shad", "on");
1771   gMC->Gsatt("*", "fill", 7);
1772   gMC->SetClipBox(".");
1773   gMC->SetClipBox("TPMW",-300,300,-300,300,254.,270.);
1774   gMC->SetClipBox("TESR",-300,300,-300,300,254.,270.);
1775   gMC->SetClipBox("TSSW",-300,300,-300,300,283.,284.);
1776   gMC->SetClipBox("TSWC",-300,300,-300,300,283.,284.);
1777   gMC->SetClipBox("*", 0, 300, -300, 300, -290, 290);
1778   gMC->DefaultRange();
1779   gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .025, .025);
1780   gMC->Gdhead(1111, "Time Projection Chamber");
1781   gMC->Gdman(18, 4, "MAN");
1782   gMC->Gdopt("hide","off");
1783 }
1784
1785 //_____________________________________________________________________________
1786 void AliTPCv0::Init()
1787 {
1788   //
1789   // Initialise Time Projection Chamber version 0
1790   //
1791   printf("TPC version 0 initialized\n");
1792 }
1793
1794 //_____________________________________________________________________________
1795 void AliTPCv0::StepManager()
1796 {
1797   //
1798   // Procedure called at each step in the TPC
1799   //
1800 }