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 1.11 2000/11/28 16:06:57 morsch
19 Undulated beam-pipe replaced by Al-Be (40,60) pipe 1.5 mm thick.
21 Revision 1.10 2000/11/24 13:00:37 morsch
22 - Geometry and materials imported from euclid output
24 - better struturing of volume tree
25 - improved version of flange close to front absorber
26 - more realistic pump materials
27 - undulated beam pipe imported from v3.
29 Revision 1.9 2000/10/02 21:28:15 fca
30 Removal of useless dependecies via forward declarations
32 Revision 1.8 2000/06/11 12:37:01 morsch
33 Coding rule violations corrected
35 Revision 1.7 2000/02/23 16:25:24 fca
36 AliVMC and AliGeant3 classes introduced
37 ReadEuclid moved from AliRun to AliModule
39 Revision 1.6 1999/09/29 09:24:30 fca
40 Introduction of the Copyright and cvs Log
44 ////////////////////////////////////////////////
46 ////////////////////////////////////////////////
48 #include "AliPIPEv0.h"
57 //_____________________________________________________________________________
58 AliPIPEv0::AliPIPEv0()
63 //_____________________________________________________________________________
64 AliPIPEv0::AliPIPEv0(const char *name, const char *title)
71 //___________________________________________
72 void AliPIPEv0::CreateGeometry()
76 <img src="picts/pipe.gif">
83 <img src="picts/tree_pipe.gif">
87 printf("Create PIPEv0 geometry \n");
90 Int_t *idtmed = fIdtmed->GetArray();
91 Float_t ppcon[36], ptube[3], pbox[3];
94 enum {kC=6, kAlu=9, kInox=19, kGetter=20, kBe=5, kVac=16, kAir=15, kAlBe=21};
97 AliMatrix(idrotm[2001],90.,240., 0., 0., 90.,150.);
98 AliMatrix(idrotm[2002],90., 0., 0., 0., 90.,270.);
99 AliMatrix(idrotm[2003],90.,120., 0., 0., 90., 30.);
100 AliMatrix(idrotm[2004],90.,315., 90., 45., 0., 0.);
101 AliMatrix(idrotm[2005],90.,270., 90., 0., 0., 0.);
102 AliMatrix(idrotm[2006],90.,225., 90.,315., 0., 0.);
103 AliMatrix(idrotm[2007],90.,180., 90.,270., 0., 0.);
104 AliMatrix(idrotm[2008],90.,135., 90.,225., 0., 0.);
105 AliMatrix(idrotm[2009],90., 90., 90.,180., 0., 0.);
106 AliMatrix(idrotm[2010],90., 45., 90.,135., 0., 0.);
108 AliMatrix(idrotm[2012],90.,180., 90., 90.,180., 0.);
109 AliMatrix(idrotm[2013],90., 0., 90., 90.,180., 0.);
114 // The peam pipe up to the Front Absorber
116 // Mother Volume QBPM
165 gMC->Gsvolu("QBPM", "PCON", idtmed[kAir], ppcon, 36);
173 gMC->Gsvolu("QBVA","TUBE", idtmed[kVac], ptube, 3);
174 gMC->Gspos("QBVA", 1, "QBPM", 0., 0., 355., 0, "ONLY");
176 // Be Pipe in central Alice
181 gMC->Gsvolu("QBBE","TUBE", idtmed[kBe], ptube, 3);
182 gMC->Gspos("QBBE", 1, "QBPM", 0., 0., 0., 0, "ONLY");
185 // Metal-Metal Transitions
192 gMC->Gsvolu("QBT1","TUBE", idtmed[kAir], ptube, 3);
193 gMC->Gspos("QBT1", 1, "QBPM", 0., 0., 28.25+ptube[2], 0, "ONLY");
200 gMC->Gsvolu("QB01","TUBE", idtmed[kInox], ptube, 3);
203 gMC->Gsvolu("QBA1","TUBE", idtmed[kBe], ptube, 3);
205 gMC->Gspos("QBA1", 1, "QB01", 0., 0., 0, 0, "ONLY");
206 gMC->Gspos("QB01", 1, "QBT1", 0., 0.,-2.75+ptube[2], 0, "ONLY");
214 gMC->Gsvolu("QB03","TUBE", idtmed[kInox], ptube, 3);
215 gMC->Gspos("QB03", 1, "QBT1", 0., 0.,-2.+ptube[2], 0, "ONLY");
222 gMC->Gsvolu("QB05","TUBE", idtmed[kInox], ptube, 3);
223 gMC->Gspos("QB05", 1, "QBT1", 0., 0., 2.55+ptube[2], 0, "ONLY");
231 gMC->Gsvolu("QB08","TUBE", idtmed[kInox], ptube, 3);
232 gMC->Gspos("QB08", 1 ,"QBT1", 0.000, 3.650, -1.25, idrotm[2002], "ONLY");
233 gMC->Gspos("QB08", 2 ,"QBT1", 3.161, -1.825, -1.25, idrotm[2001], "ONLY");
234 gMC->Gspos("QB08", 3 ,"QBT1", -3.161, -1.825, -1.25, idrotm[2003], "ONLY");
241 gMC->Gsvolu("QB07","TUBE", idtmed[kC], ptube, 3);
246 gMC->Gsvolu("QBA7","TUBE", idtmed[kInox], ptube, 3);
247 gMC->Gspos("QBA7", 1, "QB07", 0.0, 0.0, 0.55-0.2, 0, "ONLY");
248 gMC->Gspos("QB07", 1, "QBT1", 0.0, 0.0, 2., 0, "ONLY");
256 gMC->Gsvolu("QBT2","TUBE", idtmed[kAir], ptube, 3);
257 gMC->Gspos("QBT2", 1, "QBPM", 0., 0., -28.25-ptube[2], idrotm[2012], "ONLY");
264 gMC->Gsvolu("QB02","TUBE", idtmed[kAlu], ptube, 3);
267 gMC->Gsvolu("QBA2","TUBE", idtmed[kBe], ptube, 3);
269 gMC->Gspos("QBA2", 1, "QB01", 0., 0., 0, 0, "ONLY");
270 gMC->Gspos("QB02", 1, "QBT2", 0., 0.,-2.75+ptube[2], 0, "ONLY");
277 gMC->Gsvolu("QB04","TUBE", idtmed[kAlu], ptube, 3);
278 gMC->Gspos("QB04", 1, "QBT2", 0., 0.,-2.+ptube[2], 0, "ONLY");
285 gMC->Gsvolu("QB06","TUBE", idtmed[kAlu], ptube, 3);
286 gMC->Gspos("QB06", 1, "QBT2", 0., 0., 2.55+ptube[2], 0, "ONLY");
294 gMC->Gsvolu("QBA8","TUBE", idtmed[kInox], ptube, 3);
295 gMC->Gspos("QBA8", 1 ,"QBT2", 0.000, 3.650, -1.25, idrotm[2002], "ONLY");
296 gMC->Gspos("QBA8", 2 ,"QBT2", 3.161, -1.825, -1.25, idrotm[2001], "ONLY");
297 gMC->Gspos("QBA8", 3 ,"QBT2", -3.161, -1.825, -1.25, idrotm[2003], "ONLY");
304 gMC->Gsvolu("QB77","TUBE", idtmed[kC], ptube, 3);
309 gMC->Gsvolu("QBB7","TUBE", idtmed[kInox], ptube, 3);
310 gMC->Gspos("QBB7", 1, "QB77", 0.0, 0.0, 0.55-0.2, 0, "ONLY");
311 gMC->Gspos("QB77", 1, "QBT2", 0.0, 0.0, 2., 0, "ONLY");
316 // 1st section Alu non-absorber side
321 gMC->Gsvolu("QB10","TUBE", idtmed[kAlu], ptube, 3);
322 gMC->Gspos("QB10", 1, "QBPM", 0.0, 0.0, 118.925, 0, "ONLY");
324 // Support rollers: non absorber side
330 gMC->Gsvolu("QBRM","TUBE", idtmed[kAir], ptube, 3);
331 gMC->Gspos("QBRM", 1, "QBPM", 0., 0., 654.8, 0, "ONLY");
332 gMC->Gspos("QBRM", 2, "QBPM", 0., 0., 254.8, 0, "ONLY");
338 gMC->Gsvolu("QB30","TUBE", idtmed[kInox], ptube, 3);
340 for (i=0; i<8; i++) {
341 Float_t phi = 45.+i*45.*kDegrad;
342 Float_t xpos = 4.*TMath::Sin(phi);
343 Float_t ypos = 4.*TMath::Cos(phi);
344 gMC->Gspos("QB30", i+1, "QBRM", xpos, ypos, 0, idrotm[2004+i], "ONLY");
348 // Flanges: non absorber side
353 gMC->Gsvolu("QB29","TUBE", idtmed[kInox], ptube, 3);
354 gMC->Gspos("QB29", 2, "QBPM", 0.0, 0.0, 654.8, 0, "ONLY");
355 gMC->Gspos("QB29", 1, "QBPM", 0.0, 0.0, 254.8, 0, "ONLY");
357 // Inox beam pipe: non absorber side
361 // ptube[2] = 275.05; // without undulated beampipe
364 gMC->Gsvolu("QB28","TUBE", idtmed[kInox], ptube, 3);
365 // gMC->Gspos("QB28", 1, "QBPM", 0.0, 0.0, 524.95, 0, "ONLY"); // without undulated beam pipe
366 gMC->Gspos("QB28", 1, "QBPM", 0.0, 0.0, 249.9+ptube[2], 0, "ONLY");
369 // Undulated beam pipe
376 char cn48[][5]={"QN21","QN22","QN23","QN24","QN25","QN26","QN27","QN28"};
378 Undulation("QUND",pitch,thick,zundul,rundul,cn48);
379 gMC->Gspos("QUND", 1, "QBPM", 0., 0., 335.+zundul, 0, "ONLY");
382 // Al-Be (40-60 wgt%, rho=2.7 g/cm**3) beam pipe
388 gMC->Gsvolu("QBAB","TUBE", idtmed[kAlBe], ptube, 3);
389 gMC->Gspos("QBAB", 1, "QBPM", 0.0, 0.0, 335.+ptube[2], 0, "ONLY");
393 // missing pieces of inox pipe
399 gMC->Gsvolu("QB48","TUBE", idtmed[kInox], ptube, 3);
400 gMC->Gspos("QB48", 1, "QBPM", 0.0, 0.0, 800.-ptube[2], 0, "ONLY");
406 gMC->Gsvolu("QB27","TUBE", idtmed[kInox], ptube, 3);
407 gMC->Gspos("QB27", 1, "QBPM", 0.0, 0.0, 208.1, 0, "ONLY");
413 gMC->Gsvolu("QB26","TUBE", idtmed[kInox], ptube, 3);
414 gMC->Gspos("QB26", 1, "QBPM", 0.0, 0.0, 205.6, 0, "ONLY");
421 gMC->Gsvolu("QB25","TUBE", idtmed[kAlu], ptube, 3);
422 gMC->Gspos("QB25", 1, "QBPM", 0.0, 0.0, 201.35, 0, "ONLY");
431 gMC->Gsvolu("QBE0","TUBE", idtmed[kAir], ptube, 3);
432 gMC->Gspos("QBE0", 2 ,"QBPM", 0.0, 0.0, 229.5, 0, "ONLY");
433 gMC->Gspos("QBE0", 1 ,"QBPM", 0.0, 0.0, -61.3, 0, "ONLY");
437 gMC->Gsvolu("QBEM","TUBE", idtmed[kAir], ptube, 3);
438 gMC->Gspos("QBEM", 2 ,"QBE0", 0.0, 0.0,-14.7, 0 , "ONLY");
439 gMC->Gspos("QBEM", 1 ,"QBE0", 0.0, 0.0, 14.7,idrotm[2012], "ONLY");
445 gMC->Gsvolu("QB19","TUBE", idtmed[kVac], ptube, 3);
446 gMC->Gspos("QB19", 1 ,"QBEM", 0.0, 0.0, 0.5, 0 , "ONLY");
452 gMC->Gsvolu("QB18","TUBE", idtmed[kVac], ptube, 3);
453 for (i=0; i<15; i++) {
454 gMC->Gspos("QB18", i+1, "QBEM", 0.0, 0.0, 3.3-i*0.4, 0, "ONLY");
461 gMC->Gsvolu("QB21","TUBE", idtmed[kVac], ptube, 3);
462 gMC->Gspos("QB21", 1 ,"QBEM", 0.0, 0.0, -4.5, 0 , "ONLY");
468 gMC->Gsvolu("QB15","TUBE", idtmed[kInox], ptube, 3);
469 for (i=0; i<30; i++) {
470 gMC->Gspos("QB15", i+1, "QBEM", 0.0, 0.0, 3.4-i*0.2, 0, "ONLY");
477 gMC->Gsvolu("QB16","TUBE", idtmed[kInox], ptube, 3);
478 for (i=0; i<15; i++) {
479 gMC->Gspos("QB16", i+1, "QBEM", 0.0, 0.0, 3.3-i*0.4, 0, "ONLY");
486 gMC->Gsvolu("QB17","TUBE", idtmed[kInox], ptube, 3);
487 for (i=0; i<14; i++) {
488 gMC->Gspos("QB17", i+1, "QBEM", 0.0, 0.0, 3.1-i*0.4, 0, "ONLY");
495 gMC->Gsvolu("QB14","TUBE", idtmed[kInox], ptube, 3);
496 gMC->Gspos("QB14", 2 ,"QBEM", 0.0, 0.0, -2.8025, 0 , "ONLY");
497 gMC->Gspos("QB14", 1 ,"QBEM", 0.0, 0.0, 3.8025, 0 , "ONLY");
503 gMC->Gsvolu("QB13","TUBE", idtmed[kInox], ptube, 3);
504 gMC->Gspos("QB13", 2 ,"QBEM", 0.0, 0.0, -3.25, 0 , "ONLY");
505 gMC->Gspos("QB13", 1 ,"QBEM", 0.0, 0.0, 4.25, 0 , "ONLY");
511 gMC->Gsvolu("QB12","TUBE", idtmed[kInox], ptube, 3);
512 gMC->Gspos("QB12", 1 ,"QBEM", 0.0, 0.0, 5.0, 0, "ONLY");
516 // pipe between Bellows
520 gMC->Gsvolu("QB23","TUBE", idtmed[kInox], ptube, 3);
521 gMC->Gspos("QB23", 1 ,"QBE0", 0.0, 0.0, 0.0, 0, "ONLY");
528 // beam pipe between metal-metal transition and bellows
533 gMC->Gsvolu("QB24","TUBE", idtmed[kInox], ptube, 3);
534 gMC->Gspos("QB24", 1 ,"QBPM", 0.0, 0.0, -37.325, 0, "ONLY");
536 // beam pipe between flange and bellows
541 gMC->Gsvolu("QB22","TUBE", idtmed[kInox], ptube, 3);
542 gMC->Gspos("QB22", 1 ,"QBPM", 0.0, 0.0, -82.15, 0, "ONLY");
552 gMC->Gsvolu("QFA0","TUBE", idtmed[kAlu], ptube, 3);
553 gMC->Gspos("QFA0", 1 ,"QBPM", 0.0, 0.0, -84.0, 0, "ONLY");
559 gMC->Gsvolu("QFA1","TUBE", idtmed[kInox], ptube, 3);
560 gMC->Gspos("QFA1", 1 ,"QFA0", 0.0, 0.0, 0.225, 0, "ONLY");
566 gMC->Gsvolu("QFA2","TUBE", idtmed[kInox], ptube, 3);
567 for (i=0; i<8; i++) {
568 Float_t phi = i*45.*kDegrad;
569 Float_t xpos = 3.9*TMath::Sin(phi);
570 Float_t ypos = 3.9*TMath::Cos(phi);
571 gMC->Gspos("QFA2", i+1, "QFA0", xpos, ypos, 0., 0, "ONLY");
579 gMC->Gsvolu("QB32","TUBE", idtmed[kInox], ptube, 3);
580 gMC->Gspos("QB32", 1 ,"QBPM", 0.0, 0.0, -90.+2.3, 0, "ONLY");
584 // --- Place the PIPE ghost volume (QBPM) in its mother volume (ALIC)
585 // and make it invisible
589 gMC->Gspos("QBPM",1,"ALIC",0,0,0,idrotm[2013], "ONLY");
597 gMC->Gsvolu("QIPM","TUBE", idtmed[kAir], ptube, 3);
603 gMC->Gsvolu("QI32","BOX", idtmed[kInox], pbox, 3);
608 gMC->Gsvolu("QI42","BOX", idtmed[kGetter], pbox, 3);
609 gMC->Gspos("QI42", 1, "QI32", 0.0, 0.0, 0.0, 0, "ONLY");
615 gMC->Gsvolu("QI33","TUBE", idtmed[kInox], ptube, 3);
621 gMC->Gsvolu("QI43","TUBE", idtmed[kInox], ptube, 3);
622 gMC->Gspos("QI43", 1, "QI33", 0.0, 0.0, 0.0, 0, "ONLY");
624 // Connecting tube ->
628 gMC->Gsvolu("QI34","TUBE", idtmed[kInox], ptube, 3);
633 gMC->Gsvolu("QI44","TUBE", idtmed[kInox], ptube, 3);
634 gMC->Gspos("QI44", 1, "QI34", 0.0, 0.0, 0.0, 0, "ONLY");
642 gMC->Gsvolu("QI35","TUBE", idtmed[kInox], ptube, 3);
647 gMC->Gsvolu("QI45","TUBE", idtmed[kAir], ptube, 3);
648 gMC->Gspos("QI45", 1, "QI35", 0.0, 0.0, 0.0, 0, "ONLY");
651 gMC->Gspos("QI32", 1, "QIPM", 0.0, -44.25, 0.0, 0, "ONLY");
652 gMC->Gspos("QI33", 1, "QIPM", 0.0, -35.00, 0.0,idrotm[2002], "ONLY");
653 gMC->Gspos("QI34", 1, "QIPM", 0.0, -18.80, 0.0,idrotm[2002], "ONLY");
654 gMC->Gspos("QI35", 1, "QIPM", 0.0, -24.35, 0.0,idrotm[2002], "ONLY");
656 // PLACE ION PUMP (QIPM) AT Z=-385.
658 gMC->Gspos("QIPM",1,"ALIC",0,0,-385,idrotm[2013], "ONLY");
661 gMC->Gsatt("QIPM", "SEEN", 0);
662 gMC->Gsatt("QBPM", "SEEN", 0);
663 gMC->Gsatt("QBEM", "SEEN", 0);
667 //___________________________________________
668 void AliPIPEv0::DrawModule()
670 // Set drawing options
674 //___________________________________________
675 void AliPIPEv0::CreateMaterials()
678 // Define materials for beam pipe
681 printf("Create PIPEv0 materials \n");
682 Int_t isxfld = gAlice->Field()->Integ();
683 Float_t sxmgmx = gAlice->Field()->Max();
685 Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
686 Float_t zsteel[4] = { 26.,24.,28.,14. };
687 Float_t wsteel[4] = { .715,.18,.1,.005 };
689 Float_t aAlBe[2] = { 26.98, 9.01};
690 Float_t zAlBe[2] = { 13.00, 4.00};
691 Float_t wAlBe[2] = { 0.4, 0.6};
695 AliMaterial(5, "BERILLIUM$", 9.01, 4., 1.848, 35.3, 36.7);
698 AliMaterial(6, "CARBON$ ", 12.01, 6., 2.265, 18.8, 49.9);
701 AliMaterial(9, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2);
704 AliMaterial(15, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500.);
707 AliMaterial(16, "VACUUM$ ", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
710 AliMixture(19, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
712 // reduced density steel to approximate pump getter material
713 AliMixture(20, "GETTER$", asteel, zsteel, 1.00, 4, wsteel);
716 AliMixture(21, "AlBe$", aAlBe, zAlBe, 2.07, 2, wAlBe);
719 // Defines tracking media parameters.
721 Float_t epsil = .001; // Tracking precision,
722 Float_t stemax = -0.01; // Maximum displacement for multiple scat
723 Float_t tmaxfd = -20.; // Maximum angle due to field deflection
724 Float_t deemax = -.3; // Maximum fractional energy loss, DLS
730 AliMedium(5, "BE", 5, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
733 AliMedium(6, "C", 6, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
736 AliMedium(9, "ALU", 9, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
739 AliMedium(15, "AIR", 15, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
742 AliMedium(16, "VACUUM", 16, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
745 AliMedium(19, "INOX", 19, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
748 AliMedium(20, "GETTER", 20, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
751 AliMedium(21, "AlBe" , 21, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
756 void AliPIPEv0::Undulation(char *undul, Float_t pitch, Float_t thick,
757 Float_t zundul, Float_t rundul, char (*cone)[5])
760 // RUNDUL : Internal radius of the undulated chamber
761 // THICK : material thickness
762 // PITCH : one-QUARTER wave of undulation (cm)
763 // ZUNDUL : half length (cm)
765 // The undulated structure is desgned as a superposition of eight CONES
766 // of suitable sizes, where the inner/outer radius of the cone increases,
767 // then decreases, each half of the wave is assumed to be a semicircle,
768 // which allows to calculate the thickness and the radii of the cone, by
769 // dividing the semicircle into 4 parts of equal arc length.
770 // Thus apear the constants 0.293 and 0.707.
773 const Float_t kConst1 = .293;
774 const Float_t kConst2 = .707;
778 Float_t dcone1[5], dcone2[5], dcone3[5], dcone4[5], dcone5[5],
779 dcone6[5], dcone7[5], dcone8[5];
780 Float_t xc, yc, zc, dundul[3];
781 Int_t *idtmed = fIdtmed->GetArray()-1999;
785 dcone1[0] = kConst1 * pitch / 2;
787 dcone1[2] = dcone1[1] + thick;
788 dcone1[3] = dcone1[1] + kConst2 * pitch;
789 dcone1[4] = dcone1[3] + thick;
791 dcone2[0] = kConst2 * pitch / 2;
792 dcone2[1] = dcone1[3];
793 dcone2[2] = dcone1[4];
794 dcone2[3] = dcone2[1] + kConst1 * pitch;
795 dcone2[4] = dcone2[3] + thick;
797 dcone3[0] = dcone2[0];
798 dcone3[1] = dcone2[3];
799 dcone3[2] = dcone2[4];
800 dcone3[3] = dcone2[1];
801 dcone3[4] = dcone2[2];
803 dcone4[0] = dcone1[0];
804 dcone4[1] = dcone1[3];
805 dcone4[2] = dcone1[4];
806 dcone4[3] = dcone1[1];
807 dcone4[4] = dcone1[2];
809 dcone5[0] = dcone1[0];
810 dcone5[1] = dcone1[1] - thick;
811 dcone5[2] = dcone1[1];
812 dcone5[3] = dcone5[1] - kConst2 * pitch;
813 dcone5[4] = dcone5[3] + thick;
815 dcone6[0] = dcone2[0];
816 dcone6[1] = dcone5[3];
817 dcone6[2] = dcone5[4];
818 dcone6[3] = dcone6[1] - kConst1 * pitch;
819 dcone6[4] = dcone6[3] + thick;
820 dcone7[0] = dcone6[0];
821 dcone7[1] = dcone6[3];
822 dcone7[2] = dcone6[4];
823 dcone7[3] = dcone5[3];
824 dcone7[4] = dcone5[4];
826 dcone8[0] = dcone5[0];
827 dcone8[1] = dcone7[3];
828 dcone8[2] = dcone7[4];
829 dcone8[3] = dcone5[1];
830 dcone8[4] = dcone5[2];
832 gMC->Gsvolu(cone[0], "CONE", idtmed[2018], dcone1, 5);
833 gMC->Gsvolu(cone[1], "CONE", idtmed[2018], dcone2, 5);
834 gMC->Gsvolu(cone[2], "CONE", idtmed[2018], dcone3, 5);
835 gMC->Gsvolu(cone[3], "CONE", idtmed[2018], dcone4, 5);
836 gMC->Gsvolu(cone[4], "CONE", idtmed[2018], dcone5, 5);
837 gMC->Gsvolu(cone[5], "CONE", idtmed[2018], dcone6, 5);
838 gMC->Gsvolu(cone[6], "CONE", idtmed[2018], dcone7, 5);
839 gMC->Gsvolu(cone[7], "CONE", idtmed[2018], dcone8, 5);
840 gMC->Gsatt(cone[0], "SEEN", 0);
841 gMC->Gsatt(cone[1], "SEEN", 0);
842 gMC->Gsatt(cone[2], "SEEN", 0);
843 gMC->Gsatt(cone[3], "SEEN", 0);
844 gMC->Gsatt(cone[4], "SEEN", 0);
845 gMC->Gsatt(cone[5], "SEEN", 0);
846 gMC->Gsatt(cone[6], "SEEN", 0);
847 gMC->Gsatt(cone[7], "SEEN", 0);
849 // DEFINE AN IMAGINARY TUBE VOLUME FOR UNDULATED CHAMBER, FILL WITH VACUUM
851 nwave = Int_t (zundul / (pitch * 2) + .1);
852 dundul[2] = pitch * 2 * nwave;
853 dundul[1] = rundul + pitch + thick * 2;
856 gMC->Gsvolu(undul, "TUBE", idtmed[2015], dundul, 3);
860 zc = -dundul[2] + dcone1[0];
861 for (j = 1; j <= nwave; ++j) {
862 gMC->Gspos(cone[0], j, undul, xc, yc, zc, 0, "ONLY");
863 zc = zc + dcone1[0] + dcone2[0];
864 gMC->Gspos(cone[1], j, undul, xc, yc, zc, 0, "ONLY");
865 zc = zc + dcone2[0] + dcone3[0];
866 gMC->Gspos(cone[2], j, undul, xc, yc, zc, 0, "ONLY");
867 zc = zc + dcone3[0] + dcone4[0];
868 gMC->Gspos(cone[3], j, undul, xc, yc, zc, 0, "ONLY");
869 zc = zc + dcone4[0] + dcone5[0];
870 gMC->Gspos(cone[4], j, undul, xc, yc, zc, 0, "ONLY");
871 zc = zc + dcone5[0] + dcone6[0];
872 gMC->Gspos(cone[5], j, undul, xc, yc, zc, 0, "ONLY");
873 zc = zc + dcone6[0] + dcone7[0];
874 gMC->Gspos(cone[6], j, undul, xc, yc, zc, 0, "ONLY");
875 zc = zc + dcone7[0] + dcone8[0];
876 gMC->Gspos(cone[7], j, undul, xc, yc, zc, 0, "ONLY");
877 zc = zc + dcone8[0] + dcone1[0];