1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
18 Revision 1.12 2000/12/21 16:41:06 morsch
19 Coding convention clean-up (RS3)
21 Revision 1.11 2000/11/28 16:06:57 morsch
22 Undulated beam-pipe replaced by Al-Be (40,60) pipe 1.5 mm thick.
24 Revision 1.10 2000/11/24 13:00:37 morsch
25 - Geometry and materials imported from euclid output
27 - better struturing of volume tree
28 - improved version of flange close to front absorber
29 - more realistic pump materials
30 - undulated beam pipe imported from v3.
32 Revision 1.9 2000/10/02 21:28:15 fca
33 Removal of useless dependecies via forward declarations
35 Revision 1.8 2000/06/11 12:37:01 morsch
36 Coding rule violations corrected
38 Revision 1.7 2000/02/23 16:25:24 fca
39 AliVMC and AliGeant3 classes introduced
40 ReadEuclid moved from AliRun to AliModule
42 Revision 1.6 1999/09/29 09:24:30 fca
43 Introduction of the Copyright and cvs Log
47 ////////////////////////////////////////////////
49 ////////////////////////////////////////////////
51 #include "AliPIPEv0.h"
60 //_____________________________________________________________________________
61 AliPIPEv0::AliPIPEv0()
66 //_____________________________________________________________________________
67 AliPIPEv0::AliPIPEv0(const char *name, const char *title)
74 //___________________________________________
75 void AliPIPEv0::CreateGeometry()
79 <img src="picts/pipe.gif">
86 <img src="picts/tree_pipe.gif">
90 printf("Create PIPEv0 geometry \n");
93 Int_t *idtmed = fIdtmed->GetArray();
94 Float_t ppcon[36], ptube[3], pbox[3];
97 enum {kC=6, kAlu=9, kInox=19, kGetter=20, kBe=5, kVac=16, kAir=15, kAlBe=21};
100 AliMatrix(idrotm[2001],90.,240., 0., 0., 90.,150.);
101 AliMatrix(idrotm[2002],90., 0., 0., 0., 90.,270.);
102 AliMatrix(idrotm[2003],90.,120., 0., 0., 90., 30.);
103 AliMatrix(idrotm[2004],90.,315., 90., 45., 0., 0.);
104 AliMatrix(idrotm[2005],90.,270., 90., 0., 0., 0.);
105 AliMatrix(idrotm[2006],90.,225., 90.,315., 0., 0.);
106 AliMatrix(idrotm[2007],90.,180., 90.,270., 0., 0.);
107 AliMatrix(idrotm[2008],90.,135., 90.,225., 0., 0.);
108 AliMatrix(idrotm[2009],90., 90., 90.,180., 0., 0.);
109 AliMatrix(idrotm[2010],90., 45., 90.,135., 0., 0.);
111 AliMatrix(idrotm[2012],90.,180., 90., 90.,180., 0.);
112 AliMatrix(idrotm[2013],90., 0., 90., 90.,180., 0.);
117 // The peam pipe up to the Front Absorber
119 // Mother Volume QBPM
168 gMC->Gsvolu("QBPM", "PCON", idtmed[kAir], ppcon, 36);
176 gMC->Gsvolu("QBVA","TUBE", idtmed[kVac], ptube, 3);
177 gMC->Gspos("QBVA", 1, "QBPM", 0., 0., 355., 0, "ONLY");
179 // Be Pipe in central Alice
184 gMC->Gsvolu("QBBE","TUBE", idtmed[kBe], ptube, 3);
185 gMC->Gspos("QBBE", 1, "QBPM", 0., 0., 0., 0, "ONLY");
188 // Metal-Metal Transitions
195 gMC->Gsvolu("QBT1","TUBE", idtmed[kAir], ptube, 3);
196 gMC->Gspos("QBT1", 1, "QBPM", 0., 0., 28.25+ptube[2], 0, "ONLY");
203 gMC->Gsvolu("QB01","TUBE", idtmed[kInox], ptube, 3);
206 gMC->Gsvolu("QBA1","TUBE", idtmed[kBe], ptube, 3);
208 gMC->Gspos("QBA1", 1, "QB01", 0., 0., 0, 0, "ONLY");
209 gMC->Gspos("QB01", 1, "QBT1", 0., 0.,-2.75+ptube[2], 0, "ONLY");
217 gMC->Gsvolu("QB03","TUBE", idtmed[kInox], ptube, 3);
218 gMC->Gspos("QB03", 1, "QBT1", 0., 0.,-2.+ptube[2], 0, "ONLY");
225 gMC->Gsvolu("QB05","TUBE", idtmed[kInox], ptube, 3);
226 gMC->Gspos("QB05", 1, "QBT1", 0., 0., 2.55+ptube[2], 0, "ONLY");
234 gMC->Gsvolu("QB08","TUBE", idtmed[kInox], ptube, 3);
235 gMC->Gspos("QB08", 1 ,"QBT1", 0.000, 3.650, -1.25, idrotm[2002], "ONLY");
236 gMC->Gspos("QB08", 2 ,"QBT1", 3.161, -1.825, -1.25, idrotm[2001], "ONLY");
237 gMC->Gspos("QB08", 3 ,"QBT1", -3.161, -1.825, -1.25, idrotm[2003], "ONLY");
244 gMC->Gsvolu("QB07","TUBE", idtmed[kC], ptube, 3);
249 gMC->Gsvolu("QBA7","TUBE", idtmed[kInox], ptube, 3);
250 gMC->Gspos("QBA7", 1, "QB07", 0.0, 0.0, 0.55-0.2, 0, "ONLY");
251 gMC->Gspos("QB07", 1, "QBT1", 0.0, 0.0, 2., 0, "ONLY");
259 gMC->Gsvolu("QBT2","TUBE", idtmed[kAir], ptube, 3);
260 gMC->Gspos("QBT2", 1, "QBPM", 0., 0., -28.25-ptube[2], idrotm[2012], "ONLY");
267 gMC->Gsvolu("QB02","TUBE", idtmed[kAlu], ptube, 3);
270 gMC->Gsvolu("QBA2","TUBE", idtmed[kBe], ptube, 3);
272 gMC->Gspos("QBA2", 1, "QB01", 0., 0., 0, 0, "ONLY");
273 gMC->Gspos("QB02", 1, "QBT2", 0., 0.,-2.75+ptube[2], 0, "ONLY");
280 gMC->Gsvolu("QB04","TUBE", idtmed[kAlu], ptube, 3);
281 gMC->Gspos("QB04", 1, "QBT2", 0., 0.,-2.+ptube[2], 0, "ONLY");
288 gMC->Gsvolu("QB06","TUBE", idtmed[kAlu], ptube, 3);
289 gMC->Gspos("QB06", 1, "QBT2", 0., 0., 2.55+ptube[2], 0, "ONLY");
297 gMC->Gsvolu("QBA8","TUBE", idtmed[kInox], ptube, 3);
298 gMC->Gspos("QBA8", 1 ,"QBT2", 0.000, 3.650, -1.25, idrotm[2002], "ONLY");
299 gMC->Gspos("QBA8", 2 ,"QBT2", 3.161, -1.825, -1.25, idrotm[2001], "ONLY");
300 gMC->Gspos("QBA8", 3 ,"QBT2", -3.161, -1.825, -1.25, idrotm[2003], "ONLY");
307 gMC->Gsvolu("QB77","TUBE", idtmed[kC], ptube, 3);
312 gMC->Gsvolu("QBB7","TUBE", idtmed[kInox], ptube, 3);
313 gMC->Gspos("QBB7", 1, "QB77", 0.0, 0.0, 0.55-0.2, 0, "ONLY");
314 gMC->Gspos("QB77", 1, "QBT2", 0.0, 0.0, 2., 0, "ONLY");
319 // 1st section Alu non-absorber side
324 gMC->Gsvolu("QB10","TUBE", idtmed[kAlu], ptube, 3);
325 gMC->Gspos("QB10", 1, "QBPM", 0.0, 0.0, 118.925, 0, "ONLY");
327 // Support rollers: non absorber side
333 gMC->Gsvolu("QBRM","TUBE", idtmed[kAir], ptube, 3);
334 gMC->Gspos("QBRM", 1, "QBPM", 0., 0., 654.8, 0, "ONLY");
335 gMC->Gspos("QBRM", 2, "QBPM", 0., 0., 254.8, 0, "ONLY");
341 gMC->Gsvolu("QB30","TUBE", idtmed[kInox], ptube, 3);
343 for (i=0; i<8; i++) {
344 Float_t phi = 45.+i*45.*kDegrad;
345 Float_t xpos = 4.*TMath::Sin(phi);
346 Float_t ypos = 4.*TMath::Cos(phi);
347 gMC->Gspos("QB30", i+1, "QBRM", xpos, ypos, 0, idrotm[2004+i], "ONLY");
351 // Flanges: non absorber side
356 gMC->Gsvolu("QB29","TUBE", idtmed[kInox], ptube, 3);
357 gMC->Gspos("QB29", 2, "QBPM", 0.0, 0.0, 654.8, 0, "ONLY");
358 gMC->Gspos("QB29", 1, "QBPM", 0.0, 0.0, 254.8, 0, "ONLY");
360 // Inox beam pipe: non absorber side
364 // ptube[2] = 275.05; // without undulated beampipe
367 gMC->Gsvolu("QB28","TUBE", idtmed[kInox], ptube, 3);
368 // gMC->Gspos("QB28", 1, "QBPM", 0.0, 0.0, 524.95, 0, "ONLY"); // without undulated beam pipe
369 gMC->Gspos("QB28", 1, "QBPM", 0.0, 0.0, 249.9+ptube[2], 0, "ONLY");
372 // Undulated beam pipe
379 char cn48[][5]={"QN21","QN22","QN23","QN24","QN25","QN26","QN27","QN28"};
381 Undulation("QUND",pitch,thick,zundul,rundul,cn48);
382 gMC->Gspos("QUND", 1, "QBPM", 0., 0., 335.+zundul, 0, "ONLY");
385 // Al-Be (40-60 wgt%, rho=2.7 g/cm**3) beam pipe
391 gMC->Gsvolu("QBAB","TUBE", idtmed[kAlBe], ptube, 3);
392 gMC->Gspos("QBAB", 1, "QBPM", 0.0, 0.0, 335.+ptube[2], 0, "ONLY");
396 // missing pieces of inox pipe
402 gMC->Gsvolu("QB48","TUBE", idtmed[kInox], ptube, 3);
403 gMC->Gspos("QB48", 1, "QBPM", 0.0, 0.0, 800.-ptube[2], 0, "ONLY");
409 gMC->Gsvolu("QB27","TUBE", idtmed[kInox], ptube, 3);
410 gMC->Gspos("QB27", 1, "QBPM", 0.0, 0.0, 208.1, 0, "ONLY");
416 gMC->Gsvolu("QB26","TUBE", idtmed[kInox], ptube, 3);
417 gMC->Gspos("QB26", 1, "QBPM", 0.0, 0.0, 205.6, 0, "ONLY");
424 gMC->Gsvolu("QB25","TUBE", idtmed[kAlu], ptube, 3);
425 gMC->Gspos("QB25", 1, "QBPM", 0.0, 0.0, 201.35, 0, "ONLY");
434 gMC->Gsvolu("QBE0","TUBE", idtmed[kAir], ptube, 3);
435 gMC->Gspos("QBE0", 2 ,"QBPM", 0.0, 0.0, 229.5, 0, "ONLY");
436 gMC->Gspos("QBE0", 1 ,"QBPM", 0.0, 0.0, -61.3, 0, "ONLY");
440 gMC->Gsvolu("QBEM","TUBE", idtmed[kAir], ptube, 3);
441 gMC->Gspos("QBEM", 2 ,"QBE0", 0.0, 0.0,-14.7, 0 , "ONLY");
442 gMC->Gspos("QBEM", 1 ,"QBE0", 0.0, 0.0, 14.7,idrotm[2012], "ONLY");
448 gMC->Gsvolu("QB19","TUBE", idtmed[kVac], ptube, 3);
449 gMC->Gspos("QB19", 1 ,"QBEM", 0.0, 0.0, 0.5, 0 , "ONLY");
455 gMC->Gsvolu("QB18","TUBE", idtmed[kVac], ptube, 3);
456 for (i=0; i<15; i++) {
457 gMC->Gspos("QB18", i+1, "QBEM", 0.0, 0.0, 3.3-i*0.4, 0, "ONLY");
464 gMC->Gsvolu("QB21","TUBE", idtmed[kVac], ptube, 3);
465 gMC->Gspos("QB21", 1 ,"QBEM", 0.0, 0.0, -4.5, 0 , "ONLY");
471 gMC->Gsvolu("QB15","TUBE", idtmed[kInox], ptube, 3);
472 for (i=0; i<30; i++) {
473 gMC->Gspos("QB15", i+1, "QBEM", 0.0, 0.0, 3.4-i*0.2, 0, "ONLY");
480 gMC->Gsvolu("QB16","TUBE", idtmed[kInox], ptube, 3);
481 for (i=0; i<15; i++) {
482 gMC->Gspos("QB16", i+1, "QBEM", 0.0, 0.0, 3.3-i*0.4, 0, "ONLY");
489 gMC->Gsvolu("QB17","TUBE", idtmed[kInox], ptube, 3);
490 for (i=0; i<14; i++) {
491 gMC->Gspos("QB17", i+1, "QBEM", 0.0, 0.0, 3.1-i*0.4, 0, "ONLY");
498 gMC->Gsvolu("QB14","TUBE", idtmed[kInox], ptube, 3);
499 gMC->Gspos("QB14", 2 ,"QBEM", 0.0, 0.0, -2.8025, 0 , "ONLY");
500 gMC->Gspos("QB14", 1 ,"QBEM", 0.0, 0.0, 3.8025, 0 , "ONLY");
506 gMC->Gsvolu("QB13","TUBE", idtmed[kInox], ptube, 3);
507 gMC->Gspos("QB13", 2 ,"QBEM", 0.0, 0.0, -3.25, 0 , "ONLY");
508 gMC->Gspos("QB13", 1 ,"QBEM", 0.0, 0.0, 4.25, 0 , "ONLY");
514 gMC->Gsvolu("QB12","TUBE", idtmed[kInox], ptube, 3);
515 gMC->Gspos("QB12", 1 ,"QBEM", 0.0, 0.0, 5.0, 0, "ONLY");
519 // pipe between Bellows
523 gMC->Gsvolu("QB23","TUBE", idtmed[kInox], ptube, 3);
524 gMC->Gspos("QB23", 1 ,"QBE0", 0.0, 0.0, 0.0, 0, "ONLY");
531 // beam pipe between metal-metal transition and bellows
536 gMC->Gsvolu("QB24","TUBE", idtmed[kInox], ptube, 3);
537 gMC->Gspos("QB24", 1 ,"QBPM", 0.0, 0.0, -37.325, 0, "ONLY");
539 // beam pipe between flange and bellows
544 gMC->Gsvolu("QB22","TUBE", idtmed[kInox], ptube, 3);
545 gMC->Gspos("QB22", 1 ,"QBPM", 0.0, 0.0, -82.15, 0, "ONLY");
555 gMC->Gsvolu("QFA0","TUBE", idtmed[kAlu], ptube, 3);
556 gMC->Gspos("QFA0", 1 ,"QBPM", 0.0, 0.0, -84.0, 0, "ONLY");
562 gMC->Gsvolu("QFA1","TUBE", idtmed[kInox], ptube, 3);
563 gMC->Gspos("QFA1", 1 ,"QFA0", 0.0, 0.0, 0.225, 0, "ONLY");
569 gMC->Gsvolu("QFA2","TUBE", idtmed[kInox], ptube, 3);
570 for (i=0; i<8; i++) {
571 Float_t phi = i*45.*kDegrad;
572 Float_t xpos = 3.9*TMath::Sin(phi);
573 Float_t ypos = 3.9*TMath::Cos(phi);
574 gMC->Gspos("QFA2", i+1, "QFA0", xpos, ypos, 0., 0, "ONLY");
582 gMC->Gsvolu("QB32","TUBE", idtmed[kInox], ptube, 3);
583 gMC->Gspos("QB32", 1 ,"QBPM", 0.0, 0.0, -90.+2.3, 0, "ONLY");
587 // --- Place the PIPE ghost volume (QBPM) in its mother volume (ALIC)
588 // and make it invisible
592 gMC->Gspos("QBPM",1,"ALIC",0,0,0,idrotm[2013], "ONLY");
600 gMC->Gsvolu("QIPM","TUBE", idtmed[kAir], ptube, 3);
606 gMC->Gsvolu("QI32","BOX", idtmed[kInox], pbox, 3);
611 gMC->Gsvolu("QI42","BOX", idtmed[kGetter], pbox, 3);
612 gMC->Gspos("QI42", 1, "QI32", 0.0, 0.0, 0.0, 0, "ONLY");
618 gMC->Gsvolu("QI33","TUBE", idtmed[kInox], ptube, 3);
624 gMC->Gsvolu("QI43","TUBE", idtmed[kInox], ptube, 3);
625 gMC->Gspos("QI43", 1, "QI33", 0.0, 0.0, 0.0, 0, "ONLY");
627 // Connecting tube ->
631 gMC->Gsvolu("QI34","TUBE", idtmed[kInox], ptube, 3);
636 gMC->Gsvolu("QI44","TUBE", idtmed[kInox], ptube, 3);
637 gMC->Gspos("QI44", 1, "QI34", 0.0, 0.0, 0.0, 0, "ONLY");
645 gMC->Gsvolu("QI35","TUBE", idtmed[kInox], ptube, 3);
650 gMC->Gsvolu("QI45","TUBE", idtmed[kAir], ptube, 3);
651 gMC->Gspos("QI45", 1, "QI35", 0.0, 0.0, 0.0, 0, "ONLY");
654 gMC->Gspos("QI32", 1, "QIPM", 0.0, -44.25, 0.0, 0, "ONLY");
655 gMC->Gspos("QI33", 1, "QIPM", 0.0, -35.00, 0.0,idrotm[2002], "ONLY");
656 gMC->Gspos("QI34", 1, "QIPM", 0.0, -18.80, 0.0,idrotm[2002], "ONLY");
657 gMC->Gspos("QI35", 1, "QIPM", 0.0, -24.35, 0.0,idrotm[2002], "ONLY");
659 // PLACE ION PUMP (QIPM) AT Z=-385.
661 gMC->Gspos("QIPM",1,"ALIC",0,0,-385,idrotm[2013], "ONLY");
664 gMC->Gsatt("QIPM", "SEEN", 0);
665 gMC->Gsatt("QBPM", "SEEN", 0);
666 gMC->Gsatt("QBEM", "SEEN", 0);
670 //___________________________________________
671 void AliPIPEv0::DrawModule()
673 // Set drawing options
677 //___________________________________________
678 void AliPIPEv0::CreateMaterials()
681 // Define materials for beam pipe
684 printf("Create PIPEv0 materials \n");
685 Int_t isxfld = gAlice->Field()->Integ();
686 Float_t sxmgmx = gAlice->Field()->Max();
688 Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
689 Float_t zsteel[4] = { 26.,24.,28.,14. };
690 Float_t wsteel[4] = { .715,.18,.1,.005 };
692 Float_t aAlBe[2] = { 26.98, 9.01};
693 Float_t zAlBe[2] = { 13.00, 4.00};
694 Float_t wAlBe[2] = { 0.4, 0.6};
698 AliMaterial(5, "BERILLIUM$", 9.01, 4., 1.848, 35.3, 36.7);
701 AliMaterial(6, "CARBON$ ", 12.01, 6., 2.265, 18.8, 49.9);
704 AliMaterial(9, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2);
707 AliMaterial(15, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500.);
710 AliMaterial(16, "VACUUM$ ", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
713 AliMixture(19, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
715 // reduced density steel to approximate pump getter material
716 AliMixture(20, "GETTER$", asteel, zsteel, 1.00, 4, wsteel);
719 AliMixture(21, "AlBe$", aAlBe, zAlBe, 2.07, 2, wAlBe);
722 // Defines tracking media parameters.
724 Float_t epsil = .001; // Tracking precision,
725 Float_t stemax = -0.01; // Maximum displacement for multiple scat
726 Float_t tmaxfd = -20.; // Maximum angle due to field deflection
727 Float_t deemax = -.3; // Maximum fractional energy loss, DLS
733 AliMedium(5, "BE", 5, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
736 AliMedium(6, "C", 6, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
739 AliMedium(9, "ALU", 9, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
742 AliMedium(15, "AIR", 15, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
745 AliMedium(16, "VACUUM", 16, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
748 AliMedium(19, "INOX", 19, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
751 AliMedium(20, "GETTER", 20, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
754 AliMedium(21, "AlBe" , 21, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
759 void AliPIPEv0::Undulation(char *undul, Float_t pitch, Float_t thick,
760 Float_t zundul, Float_t rundul, char (*cone)[5])
763 // RUNDUL : Internal radius of the undulated chamber
764 // THICK : material thickness
765 // PITCH : one-QUARTER wave of undulation (cm)
766 // ZUNDUL : half length (cm)
768 // The undulated structure is desgned as a superposition of eight CONES
769 // of suitable sizes, where the inner/outer radius of the cone increases,
770 // then decreases, each half of the wave is assumed to be a semicircle,
771 // which allows to calculate the thickness and the radii of the cone, by
772 // dividing the semicircle into 4 parts of equal arc length.
773 // Thus apear the constants 0.293 and 0.707.
776 const Float_t kConst1 = .293;
777 const Float_t kConst2 = .707;
781 Float_t dcone1[5], dcone2[5], dcone3[5], dcone4[5], dcone5[5],
782 dcone6[5], dcone7[5], dcone8[5];
783 Float_t xc, yc, zc, dundul[3];
784 Int_t *idtmed = fIdtmed->GetArray()-1999;
788 dcone1[0] = kConst1 * pitch / 2;
790 dcone1[2] = dcone1[1] + thick;
791 dcone1[3] = dcone1[1] + kConst2 * pitch;
792 dcone1[4] = dcone1[3] + thick;
794 dcone2[0] = kConst2 * pitch / 2;
795 dcone2[1] = dcone1[3];
796 dcone2[2] = dcone1[4];
797 dcone2[3] = dcone2[1] + kConst1 * pitch;
798 dcone2[4] = dcone2[3] + thick;
800 dcone3[0] = dcone2[0];
801 dcone3[1] = dcone2[3];
802 dcone3[2] = dcone2[4];
803 dcone3[3] = dcone2[1];
804 dcone3[4] = dcone2[2];
806 dcone4[0] = dcone1[0];
807 dcone4[1] = dcone1[3];
808 dcone4[2] = dcone1[4];
809 dcone4[3] = dcone1[1];
810 dcone4[4] = dcone1[2];
812 dcone5[0] = dcone1[0];
813 dcone5[1] = dcone1[1] - thick;
814 dcone5[2] = dcone1[1];
815 dcone5[3] = dcone5[1] - kConst2 * pitch;
816 dcone5[4] = dcone5[3] + thick;
818 dcone6[0] = dcone2[0];
819 dcone6[1] = dcone5[3];
820 dcone6[2] = dcone5[4];
821 dcone6[3] = dcone6[1] - kConst1 * pitch;
822 dcone6[4] = dcone6[3] + thick;
823 dcone7[0] = dcone6[0];
824 dcone7[1] = dcone6[3];
825 dcone7[2] = dcone6[4];
826 dcone7[3] = dcone5[3];
827 dcone7[4] = dcone5[4];
829 dcone8[0] = dcone5[0];
830 dcone8[1] = dcone7[3];
831 dcone8[2] = dcone7[4];
832 dcone8[3] = dcone5[1];
833 dcone8[4] = dcone5[2];
835 gMC->Gsvolu(cone[0], "CONE", idtmed[2018], dcone1, 5);
836 gMC->Gsvolu(cone[1], "CONE", idtmed[2018], dcone2, 5);
837 gMC->Gsvolu(cone[2], "CONE", idtmed[2018], dcone3, 5);
838 gMC->Gsvolu(cone[3], "CONE", idtmed[2018], dcone4, 5);
839 gMC->Gsvolu(cone[4], "CONE", idtmed[2018], dcone5, 5);
840 gMC->Gsvolu(cone[5], "CONE", idtmed[2018], dcone6, 5);
841 gMC->Gsvolu(cone[6], "CONE", idtmed[2018], dcone7, 5);
842 gMC->Gsvolu(cone[7], "CONE", idtmed[2018], dcone8, 5);
843 gMC->Gsatt(cone[0], "SEEN", 0);
844 gMC->Gsatt(cone[1], "SEEN", 0);
845 gMC->Gsatt(cone[2], "SEEN", 0);
846 gMC->Gsatt(cone[3], "SEEN", 0);
847 gMC->Gsatt(cone[4], "SEEN", 0);
848 gMC->Gsatt(cone[5], "SEEN", 0);
849 gMC->Gsatt(cone[6], "SEEN", 0);
850 gMC->Gsatt(cone[7], "SEEN", 0);
852 // DEFINE AN IMAGINARY TUBE VOLUME FOR UNDULATED CHAMBER, FILL WITH VACUUM
854 nwave = Int_t (zundul / (pitch * 2) + .1);
855 dundul[2] = pitch * 2 * nwave;
856 dundul[1] = rundul + pitch + thick * 2;
859 gMC->Gsvolu(undul, "TUBE", idtmed[2015], dundul, 3);
863 zc = -dundul[2] + dcone1[0];
864 for (j = 1; j <= nwave; ++j) {
865 gMC->Gspos(cone[0], j, undul, xc, yc, zc, 0, "ONLY");
866 zc = zc + dcone1[0] + dcone2[0];
867 gMC->Gspos(cone[1], j, undul, xc, yc, zc, 0, "ONLY");
868 zc = zc + dcone2[0] + dcone3[0];
869 gMC->Gspos(cone[2], j, undul, xc, yc, zc, 0, "ONLY");
870 zc = zc + dcone3[0] + dcone4[0];
871 gMC->Gspos(cone[3], j, undul, xc, yc, zc, 0, "ONLY");
872 zc = zc + dcone4[0] + dcone5[0];
873 gMC->Gspos(cone[4], j, undul, xc, yc, zc, 0, "ONLY");
874 zc = zc + dcone5[0] + dcone6[0];
875 gMC->Gspos(cone[5], j, undul, xc, yc, zc, 0, "ONLY");
876 zc = zc + dcone6[0] + dcone7[0];
877 gMC->Gspos(cone[6], j, undul, xc, yc, zc, 0, "ONLY");
878 zc = zc + dcone7[0] + dcone8[0];
879 gMC->Gspos(cone[7], j, undul, xc, yc, zc, 0, "ONLY");
880 zc = zc + dcone8[0] + dcone1[0];