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 1.9 2000/10/02 21:28:15 fca
19 Removal of useless dependecies via forward declarations
21 Revision 1.8 2000/06/11 12:37:01 morsch
22 Coding rule violations corrected
24 Revision 1.7 2000/02/23 16:25:24 fca
25 AliVMC and AliGeant3 classes introduced
26 ReadEuclid moved from AliRun to AliModule
28 Revision 1.6 1999/09/29 09:24:30 fca
29 Introduction of the Copyright and cvs Log
33 ////////////////////////////////////////////////
35 ////////////////////////////////////////////////
37 #include "AliPIPEv0.h"
46 //_____________________________________________________________________________
47 AliPIPEv0::AliPIPEv0()
52 //_____________________________________________________________________________
53 AliPIPEv0::AliPIPEv0(const char *name, const char *title)
60 //___________________________________________
61 void AliPIPEv0::CreateGeometry()
65 <img src="picts/pipe.gif">
72 <img src="picts/tree_pipe.gif">
76 printf("Create PIPEv0 geometry \n");
79 Int_t *idtmed = fIdtmed->GetArray();
80 Float_t ppcon[36], ptube[3], pbox[3];
83 enum {kC=6, kAlu=9, kInox=19, kGetter=20, kBe=5, kVac=16, kAir=15};
86 AliMatrix(idrotm[2001],90.,240., 0., 0., 90.,150.);
87 AliMatrix(idrotm[2002],90., 0., 0., 0., 90.,270.);
88 AliMatrix(idrotm[2003],90.,120., 0., 0., 90., 30.);
89 AliMatrix(idrotm[2004],90.,315., 90., 45., 0., 0.);
90 AliMatrix(idrotm[2005],90.,270., 90., 0., 0., 0.);
91 AliMatrix(idrotm[2006],90.,225., 90.,315., 0., 0.);
92 AliMatrix(idrotm[2007],90.,180., 90.,270., 0., 0.);
93 AliMatrix(idrotm[2008],90.,135., 90.,225., 0., 0.);
94 AliMatrix(idrotm[2009],90., 90., 90.,180., 0., 0.);
95 AliMatrix(idrotm[2010],90., 45., 90.,135., 0., 0.);
97 AliMatrix(idrotm[2012],90.,180., 90., 90.,180., 0.);
98 AliMatrix(idrotm[2013],90., 0., 90., 90.,180., 0.);
103 // The peam pipe up to the Front Absorber
105 // Mother Volume QBPM
154 gMC->Gsvolu("QBPM", "PCON", idtmed[kAir], ppcon, 36);
162 gMC->Gsvolu("QBVA","TUBE", idtmed[kVac], ptube, 3);
163 gMC->Gspos("QBVA", 1, "QBPM", 0., 0., 355., 0, "ONLY");
165 // Be Pipe in central Alice
170 gMC->Gsvolu("QBBE","TUBE", idtmed[kBe], ptube, 3);
171 gMC->Gspos("QBBE", 1, "QBPM", 0., 0., 0., 0, "ONLY");
174 // Metal-Metal Transitions
181 gMC->Gsvolu("QBT1","TUBE", idtmed[kAir], ptube, 3);
182 gMC->Gspos("QBT1", 1, "QBPM", 0., 0., 28.25+ptube[2], 0, "ONLY");
189 gMC->Gsvolu("QB01","TUBE", idtmed[kInox], ptube, 3);
192 gMC->Gsvolu("QBA1","TUBE", idtmed[kBe], ptube, 3);
194 gMC->Gspos("QBA1", 1, "QB01", 0., 0., 0, 0, "ONLY");
195 gMC->Gspos("QB01", 1, "QBT1", 0., 0.,-2.75+ptube[2], 0, "ONLY");
203 gMC->Gsvolu("QB03","TUBE", idtmed[kInox], ptube, 3);
204 gMC->Gspos("QB03", 1, "QBT1", 0., 0.,-2.+ptube[2], 0, "ONLY");
211 gMC->Gsvolu("QB05","TUBE", idtmed[kInox], ptube, 3);
212 gMC->Gspos("QB05", 1, "QBT1", 0., 0., 2.55+ptube[2], 0, "ONLY");
220 gMC->Gsvolu("QB08","TUBE", idtmed[kInox], ptube, 3);
221 gMC->Gspos("QB08", 1 ,"QBT1", 0.000, 3.650, -1.25, idrotm[2002], "ONLY");
222 gMC->Gspos("QB08", 2 ,"QBT1", 3.161, -1.825, -1.25, idrotm[2001], "ONLY");
223 gMC->Gspos("QB08", 3 ,"QBT1", -3.161, -1.825, -1.25, idrotm[2003], "ONLY");
230 gMC->Gsvolu("QB07","TUBE", idtmed[kC], ptube, 3);
235 gMC->Gsvolu("QBA7","TUBE", idtmed[kInox], ptube, 3);
236 gMC->Gspos("QBA7", 1, "QB07", 0.0, 0.0, 0.55-0.2, 0, "ONLY");
237 gMC->Gspos("QB07", 1, "QBT1", 0.0, 0.0, 2., 0, "ONLY");
245 gMC->Gsvolu("QBT2","TUBE", idtmed[kAir], ptube, 3);
246 gMC->Gspos("QBT2", 1, "QBPM", 0., 0., -28.25-ptube[2], idrotm[2012], "ONLY");
253 gMC->Gsvolu("QB02","TUBE", idtmed[kAlu], ptube, 3);
256 gMC->Gsvolu("QBA2","TUBE", idtmed[kBe], ptube, 3);
258 gMC->Gspos("QBA2", 1, "QB01", 0., 0., 0, 0, "ONLY");
259 gMC->Gspos("QB02", 1, "QBT2", 0., 0.,-2.75+ptube[2], 0, "ONLY");
266 gMC->Gsvolu("QB04","TUBE", idtmed[kAlu], ptube, 3);
267 gMC->Gspos("QB04", 1, "QBT2", 0., 0.,-2.+ptube[2], 0, "ONLY");
274 gMC->Gsvolu("QB06","TUBE", idtmed[kAlu], ptube, 3);
275 gMC->Gspos("QB06", 1, "QBT2", 0., 0., 2.55+ptube[2], 0, "ONLY");
283 gMC->Gsvolu("QBA8","TUBE", idtmed[kInox], ptube, 3);
284 gMC->Gspos("QBA8", 1 ,"QBT2", 0.000, 3.650, -1.25, idrotm[2002], "ONLY");
285 gMC->Gspos("QBA8", 2 ,"QBT2", 3.161, -1.825, -1.25, idrotm[2001], "ONLY");
286 gMC->Gspos("QBA8", 3 ,"QBT2", -3.161, -1.825, -1.25, idrotm[2003], "ONLY");
293 gMC->Gsvolu("QB77","TUBE", idtmed[kC], ptube, 3);
298 gMC->Gsvolu("QBB7","TUBE", idtmed[kInox], ptube, 3);
299 gMC->Gspos("QBB7", 1, "QB77", 0.0, 0.0, 0.55-0.2, 0, "ONLY");
300 gMC->Gspos("QB77", 1, "QBT2", 0.0, 0.0, 2., 0, "ONLY");
305 // 1st section Alu non-absorber side
310 gMC->Gsvolu("QB10","TUBE", idtmed[kAlu], ptube, 3);
311 gMC->Gspos("QB10", 1, "QBPM", 0.0, 0.0, 118.925, 0, "ONLY");
313 // Support rollers: non absorber side
319 gMC->Gsvolu("QBRM","TUBE", idtmed[kAir], ptube, 3);
320 gMC->Gspos("QBRM", 1, "QBPM", 0., 0., 654.8, 0, "ONLY");
321 gMC->Gspos("QBRM", 2, "QBPM", 0., 0., 254.8, 0, "ONLY");
327 gMC->Gsvolu("QB30","TUBE", idtmed[kInox], ptube, 3);
329 for (i=0; i<8; i++) {
330 Float_t phi = 45.+i*45.*kDegrad;
331 Float_t xpos = 4.*TMath::Sin(phi);
332 Float_t ypos = 4.*TMath::Cos(phi);
333 gMC->Gspos("QB30", i+1, "QBRM", xpos, ypos, 0, idrotm[2004+i], "ONLY");
337 // Flanges: non absorber side
342 gMC->Gsvolu("QB29","TUBE", idtmed[kInox], ptube, 3);
343 gMC->Gspos("QB29", 2, "QBPM", 0.0, 0.0, 654.8, 0, "ONLY");
344 gMC->Gspos("QB29", 1, "QBPM", 0.0, 0.0, 254.8, 0, "ONLY");
346 // Inox beam pipe: non absorber side
350 // ptube[2] = 275.05; // without undulated beampipe
353 gMC->Gsvolu("QB28","TUBE", idtmed[kInox], ptube, 3);
354 // gMC->Gspos("QB28", 1, "QBPM", 0.0, 0.0, 524.95, 0, "ONLY"); // without undulated beam pipe
355 gMC->Gspos("QB28", 1, "QBPM", 0.0, 0.0, 249.9+ptube[2], 0, "ONLY");
358 // Undulated beam pipe
364 char cn48[][5]={"QN21","QN22","QN23","QN24","QN25","QN26","QN27","QN28"};
366 Undulation("QUND",pitch,thick,zundul,rundul,cn48);
367 gMC->Gspos("QUND", 1, "QBPM", 0., 0., 335.+zundul, 0, "ONLY");
370 // missing pieces of inox pipe
376 gMC->Gsvolu("QB48","TUBE", idtmed[kInox], ptube, 3);
377 gMC->Gspos("QB48", 1, "QBPM", 0.0, 0.0, 800.-ptube[2], 0, "ONLY");
383 gMC->Gsvolu("QB27","TUBE", idtmed[kInox], ptube, 3);
384 gMC->Gspos("QB27", 1, "QBPM", 0.0, 0.0, 208.1, 0, "ONLY");
390 gMC->Gsvolu("QB26","TUBE", idtmed[kInox], ptube, 3);
391 gMC->Gspos("QB26", 1, "QBPM", 0.0, 0.0, 205.6, 0, "ONLY");
398 gMC->Gsvolu("QB25","TUBE", idtmed[kAlu], ptube, 3);
399 gMC->Gspos("QB25", 1, "QBPM", 0.0, 0.0, 201.35, 0, "ONLY");
408 gMC->Gsvolu("QBE0","TUBE", idtmed[kAir], ptube, 3);
409 gMC->Gspos("QBE0", 2 ,"QBPM", 0.0, 0.0, 229.5, 0, "ONLY");
410 gMC->Gspos("QBE0", 1 ,"QBPM", 0.0, 0.0, -61.3, 0, "ONLY");
414 gMC->Gsvolu("QBEM","TUBE", idtmed[kAir], ptube, 3);
415 gMC->Gspos("QBEM", 2 ,"QBE0", 0.0, 0.0,-14.7, 0 , "ONLY");
416 gMC->Gspos("QBEM", 1 ,"QBE0", 0.0, 0.0, 14.7,idrotm[2012], "ONLY");
422 gMC->Gsvolu("QB19","TUBE", idtmed[kVac], ptube, 3);
423 gMC->Gspos("QB19", 1 ,"QBEM", 0.0, 0.0, 0.5, 0 , "ONLY");
429 gMC->Gsvolu("QB18","TUBE", idtmed[kVac], ptube, 3);
430 for (i=0; i<15; i++) {
431 gMC->Gspos("QB18", i+1, "QBEM", 0.0, 0.0, 3.3-i*0.4, 0, "ONLY");
438 gMC->Gsvolu("QB21","TUBE", idtmed[kVac], ptube, 3);
439 gMC->Gspos("QB21", 1 ,"QBEM", 0.0, 0.0, -4.5, 0 , "ONLY");
445 gMC->Gsvolu("QB15","TUBE", idtmed[kInox], ptube, 3);
446 for (i=0; i<30; i++) {
447 gMC->Gspos("QB15", i+1, "QBEM", 0.0, 0.0, 3.4-i*0.2, 0, "ONLY");
454 gMC->Gsvolu("QB16","TUBE", idtmed[kInox], ptube, 3);
455 for (i=0; i<15; i++) {
456 gMC->Gspos("QB16", i+1, "QBEM", 0.0, 0.0, 3.3-i*0.4, 0, "ONLY");
463 gMC->Gsvolu("QB17","TUBE", idtmed[kInox], ptube, 3);
464 for (i=0; i<14; i++) {
465 gMC->Gspos("QB17", i+1, "QBEM", 0.0, 0.0, 3.1-i*0.4, 0, "ONLY");
472 gMC->Gsvolu("QB14","TUBE", idtmed[kInox], ptube, 3);
473 gMC->Gspos("QB14", 2 ,"QBEM", 0.0, 0.0, -2.8025, 0 , "ONLY");
474 gMC->Gspos("QB14", 1 ,"QBEM", 0.0, 0.0, 3.8025, 0 , "ONLY");
480 gMC->Gsvolu("QB13","TUBE", idtmed[kInox], ptube, 3);
481 gMC->Gspos("QB13", 2 ,"QBEM", 0.0, 0.0, -3.25, 0 , "ONLY");
482 gMC->Gspos("QB13", 1 ,"QBEM", 0.0, 0.0, 4.25, 0 , "ONLY");
488 gMC->Gsvolu("QB12","TUBE", idtmed[kInox], ptube, 3);
489 gMC->Gspos("QB12", 1 ,"QBEM", 0.0, 0.0, 5.0, 0, "ONLY");
493 // pipe between Bellows
497 gMC->Gsvolu("QB23","TUBE", idtmed[kInox], ptube, 3);
498 gMC->Gspos("QB23", 1 ,"QBE0", 0.0, 0.0, 0.0, 0, "ONLY");
505 // beam pipe between metal-metal transition and bellows
510 gMC->Gsvolu("QB24","TUBE", idtmed[kInox], ptube, 3);
511 gMC->Gspos("QB24", 1 ,"QBPM", 0.0, 0.0, -37.325, 0, "ONLY");
513 // beam pipe between flange and bellows
518 gMC->Gsvolu("QB22","TUBE", idtmed[kInox], ptube, 3);
519 gMC->Gspos("QB22", 1 ,"QBPM", 0.0, 0.0, -82.15, 0, "ONLY");
529 gMC->Gsvolu("QFA0","TUBE", idtmed[kAlu], ptube, 3);
530 gMC->Gspos("QFA0", 1 ,"QBPM", 0.0, 0.0, -84.0, 0, "ONLY");
536 gMC->Gsvolu("QFA1","TUBE", idtmed[kInox], ptube, 3);
537 gMC->Gspos("QFA1", 1 ,"QFA0", 0.0, 0.0, 0.225, 0, "ONLY");
543 gMC->Gsvolu("QFA2","TUBE", idtmed[kInox], ptube, 3);
544 for (i=0; i<8; i++) {
545 Float_t phi = i*45.*kDegrad;
546 Float_t xpos = 3.9*TMath::Sin(phi);
547 Float_t ypos = 3.9*TMath::Cos(phi);
548 gMC->Gspos("QFA2", i+1, "QFA0", xpos, ypos, 0., 0, "ONLY");
556 gMC->Gsvolu("QB32","TUBE", idtmed[kInox], ptube, 3);
557 gMC->Gspos("QB32", 1 ,"QBPM", 0.0, 0.0, -90.+2.3, 0, "ONLY");
561 // --- Place the PIPE ghost volume (QBPM) in its mother volume (ALIC)
562 // and make it invisible
566 gMC->Gspos("QBPM",1,"ALIC",0,0,0,idrotm[2013], "ONLY");
574 gMC->Gsvolu("QIPM","TUBE", idtmed[kAir], ptube, 3);
580 gMC->Gsvolu("QI32","BOX", idtmed[kInox], pbox, 3);
585 gMC->Gsvolu("QI42","BOX", idtmed[kGetter], pbox, 3);
586 gMC->Gspos("QI42", 1, "QI32", 0.0, 0.0, 0.0, 0, "ONLY");
592 gMC->Gsvolu("QI33","TUBE", idtmed[kInox], ptube, 3);
598 gMC->Gsvolu("QI43","TUBE", idtmed[kInox], ptube, 3);
599 gMC->Gspos("QI43", 1, "QI33", 0.0, 0.0, 0.0, 0, "ONLY");
601 // Connecting tube ->
605 gMC->Gsvolu("QI34","TUBE", idtmed[kInox], ptube, 3);
610 gMC->Gsvolu("QI44","TUBE", idtmed[kInox], ptube, 3);
611 gMC->Gspos("QI44", 1, "QI34", 0.0, 0.0, 0.0, 0, "ONLY");
619 gMC->Gsvolu("QI35","TUBE", idtmed[kInox], ptube, 3);
624 gMC->Gsvolu("QI45","TUBE", idtmed[kAir], ptube, 3);
625 gMC->Gspos("QI45", 1, "QI35", 0.0, 0.0, 0.0, 0, "ONLY");
628 gMC->Gspos("QI32", 1, "QIPM", 0.0, -44.25, 0.0, 0, "ONLY");
629 gMC->Gspos("QI33", 1, "QIPM", 0.0, -35.00, 0.0,idrotm[2002], "ONLY");
630 gMC->Gspos("QI34", 1, "QIPM", 0.0, -18.80, 0.0,idrotm[2002], "ONLY");
631 gMC->Gspos("QI35", 1, "QIPM", 0.0, -24.35, 0.0,idrotm[2002], "ONLY");
633 // PLACE ION PUMP (QIPM) AT Z=-385.
635 gMC->Gspos("QIPM",1,"ALIC",0,0,-385,idrotm[2013], "ONLY");
638 gMC->Gsatt("QIPM", "SEEN", 0);
639 gMC->Gsatt("QBPM", "SEEN", 0);
640 gMC->Gsatt("QBEM", "SEEN", 0);
644 //___________________________________________
645 void AliPIPEv0::DrawModule()
647 // Set drawing options
651 //___________________________________________
652 void AliPIPEv0::CreateMaterials()
654 printf("Create PIPEv0 materials \n");
656 // Define materials for muon absorber
658 Int_t isxfld = gAlice->Field()->Integ();
659 Float_t sxmgmx = gAlice->Field()->Max();
661 Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
662 Float_t zsteel[4] = { 26.,24.,28.,14. };
663 Float_t wsteel[4] = { .715,.18,.1,.005 };
666 AliMaterial(5, "BERILLIUM$", 9.01, 4., 1.848, 35.3, 36.7);
669 AliMaterial(6, "CARBON$ ", 12.01, 6., 2.265, 18.8, 49.9);
672 AliMaterial(9, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2);
675 AliMaterial(15, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500.);
678 AliMaterial(16, "VACUUM$ ", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
681 AliMixture(19, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
683 // reduced density steel to approximate pump getter material
684 AliMixture(20, "GETTER$", asteel, zsteel, 1.00, 4, wsteel);
687 // Defines tracking media parameters.
689 Float_t epsil = .001; // Tracking precision,
690 Float_t stemax = -0.01; // Maximum displacement for multiple scat
691 Float_t tmaxfd = -20.; // Maximum angle due to field deflection
692 Float_t deemax = -.3; // Maximum fractional energy loss, DLS
698 AliMedium(5, "BE", 5, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
701 AliMedium(6, "C", 6, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
704 AliMedium(9, "ALU", 9, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
707 AliMedium(15, "AIR", 15, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
710 AliMedium(16, "VACUUM", 16, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
713 AliMedium(19, "INOX", 19, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
716 AliMedium(20, "GETTER", 20, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
720 void AliPIPEv0::Undulation(char *undul, Float_t pitch, Float_t thick,
721 Float_t zundul, Float_t rundul, char (*cone)[5])
724 // RUNDUL : Internal radius of the undulated chamber
725 // THICK : material thickness
726 // PITCH : one-QUARTER wave of undulation (cm)
727 // ZUNDUL : half length (cm)
729 // The undulated structure is desgned as a superposition of eight CONES
730 // of suitable sizes, where the inner/outer radius of the cone increases,
731 // then decreases, each half of the wave is assumed to be a semicircle,
732 // which allows to calculate the thickness and the radii of the cone, by
733 // dividing the semicircle into 4 parts of equal arc length.
734 // Thus apear the constants 0.293 and 0.707.
737 const Float_t kConst1 = .293;
738 const Float_t kConst2 = .707;
742 Float_t dcone1[5], dcone2[5], dcone3[5], dcone4[5], dcone5[5],
743 dcone6[5], dcone7[5], dcone8[5];
744 Float_t xc, yc, zc, dundul[3];
745 Int_t *idtmed = fIdtmed->GetArray()-1999;
749 dcone1[0] = kConst1 * pitch / 2;
751 dcone1[2] = dcone1[1] + thick;
752 dcone1[3] = dcone1[1] + kConst2 * pitch;
753 dcone1[4] = dcone1[3] + thick;
755 dcone2[0] = kConst2 * pitch / 2;
756 dcone2[1] = dcone1[3];
757 dcone2[2] = dcone1[4];
758 dcone2[3] = dcone2[1] + kConst1 * pitch;
759 dcone2[4] = dcone2[3] + thick;
761 dcone3[0] = dcone2[0];
762 dcone3[1] = dcone2[3];
763 dcone3[2] = dcone2[4];
764 dcone3[3] = dcone2[1];
765 dcone3[4] = dcone2[2];
767 dcone4[0] = dcone1[0];
768 dcone4[1] = dcone1[3];
769 dcone4[2] = dcone1[4];
770 dcone4[3] = dcone1[1];
771 dcone4[4] = dcone1[2];
773 dcone5[0] = dcone1[0];
774 dcone5[1] = dcone1[1] - thick;
775 dcone5[2] = dcone1[1];
776 dcone5[3] = dcone5[1] - kConst2 * pitch;
777 dcone5[4] = dcone5[3] + thick;
779 dcone6[0] = dcone2[0];
780 dcone6[1] = dcone5[3];
781 dcone6[2] = dcone5[4];
782 dcone6[3] = dcone6[1] - kConst1 * pitch;
783 dcone6[4] = dcone6[3] + thick;
784 dcone7[0] = dcone6[0];
785 dcone7[1] = dcone6[3];
786 dcone7[2] = dcone6[4];
787 dcone7[3] = dcone5[3];
788 dcone7[4] = dcone5[4];
790 dcone8[0] = dcone5[0];
791 dcone8[1] = dcone7[3];
792 dcone8[2] = dcone7[4];
793 dcone8[3] = dcone5[1];
794 dcone8[4] = dcone5[2];
796 gMC->Gsvolu(cone[0], "CONE", idtmed[2018], dcone1, 5);
797 gMC->Gsvolu(cone[1], "CONE", idtmed[2018], dcone2, 5);
798 gMC->Gsvolu(cone[2], "CONE", idtmed[2018], dcone3, 5);
799 gMC->Gsvolu(cone[3], "CONE", idtmed[2018], dcone4, 5);
800 gMC->Gsvolu(cone[4], "CONE", idtmed[2018], dcone5, 5);
801 gMC->Gsvolu(cone[5], "CONE", idtmed[2018], dcone6, 5);
802 gMC->Gsvolu(cone[6], "CONE", idtmed[2018], dcone7, 5);
803 gMC->Gsvolu(cone[7], "CONE", idtmed[2018], dcone8, 5);
804 gMC->Gsatt(cone[0], "SEEN", 0);
805 gMC->Gsatt(cone[1], "SEEN", 0);
806 gMC->Gsatt(cone[2], "SEEN", 0);
807 gMC->Gsatt(cone[3], "SEEN", 0);
808 gMC->Gsatt(cone[4], "SEEN", 0);
809 gMC->Gsatt(cone[5], "SEEN", 0);
810 gMC->Gsatt(cone[6], "SEEN", 0);
811 gMC->Gsatt(cone[7], "SEEN", 0);
813 // DEFINE AN IMAGINARY TUBE VOLUME FOR UNDULATED CHAMBER, FILL WITH VACUUM
815 nwave = Int_t (zundul / (pitch * 2) + .1);
816 dundul[2] = pitch * 2 * nwave;
817 dundul[1] = rundul + pitch + thick * 2;
820 gMC->Gsvolu(undul, "TUBE", idtmed[2015], dundul, 3);
824 zc = -dundul[2] + dcone1[0];
825 for (j = 1; j <= nwave; ++j) {
826 gMC->Gspos(cone[0], j, undul, xc, yc, zc, 0, "ONLY");
827 zc = zc + dcone1[0] + dcone2[0];
828 gMC->Gspos(cone[1], j, undul, xc, yc, zc, 0, "ONLY");
829 zc = zc + dcone2[0] + dcone3[0];
830 gMC->Gspos(cone[2], j, undul, xc, yc, zc, 0, "ONLY");
831 zc = zc + dcone3[0] + dcone4[0];
832 gMC->Gspos(cone[3], j, undul, xc, yc, zc, 0, "ONLY");
833 zc = zc + dcone4[0] + dcone5[0];
834 gMC->Gspos(cone[4], j, undul, xc, yc, zc, 0, "ONLY");
835 zc = zc + dcone5[0] + dcone6[0];
836 gMC->Gspos(cone[5], j, undul, xc, yc, zc, 0, "ONLY");
837 zc = zc + dcone6[0] + dcone7[0];
838 gMC->Gspos(cone[6], j, undul, xc, yc, zc, 0, "ONLY");
839 zc = zc + dcone7[0] + dcone8[0];
840 gMC->Gspos(cone[7], j, undul, xc, yc, zc, 0, "ONLY");
841 zc = zc + dcone8[0] + dcone1[0];