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 1.17 2001/03/13 18:13:30 barbera
19 Some mother volumes sligthly modified to eliminate an overlap with the absorber
21 Revision 1.16 2001/02/09 00:05:31 nilsen
22 Added fMajor/MinorVersion variables and made other changes to better make
23 use of the new code changes in AliITSgeom related classes.
25 Revision 1.15 2001/01/30 09:23:13 hristov
26 Streamers removed (R.Brun)
28 Revision 1.14 2001/01/17 07:41:29 barbera
29 Some media parameters modified
31 Revision 1.13 2001/01/15 13:13:52 barbera
34 Revision 1.12 2000/12/10 16:00:44 barbera
35 Added last definition of special media like end-ladder boxes and cones
37 Revision 1.11 2000/10/30 08:02:25 barbera
38 PCON's changed into simpler CONS and TUBS. Services now allow for the rails to go through them.
40 Revision 1.3.2.7 2000/10/27 17:20:00 barbera
41 Position of rails w.r.t. the interaction point corrected.
43 Revision 1.9 2000/10/27 13:31:29 barbera
44 Rails between ITS and TPC added.
46 Revision 1.8 2000/10/27 13:03:08 barbera
47 Small changes in the SPD volumes and materials
49 Revision 1.6 2000/10/16 14:45:37 barbera
50 Mother volume ITSD modified to avoid some overlaps
52 Revision 1.5 2000/10/16 13:49:15 barbera
53 Services volumes slightly modified and material added following Pierluigi Barberis' information
55 Revision 1.4 2000/10/07 15:33:07 barbera
56 Small corrections to the ITSV mother volume
58 Revision 1.3 2000/10/07 13:06:50 barbera
59 Some new materials and media defined
61 Revision 1.2 2000/10/07 10:42:43 barbera
62 Mother volume ITSV corrected
64 Revision 1.1 2000/10/06 23:09:12 barbera
65 New coarse geometry (symmetric services
67 Revision 1.20 2000/10/02 21:28:08 fca
68 Removal of useless dependecies via forward declarations
70 Revision 1.19 2000/07/10 16:07:19 fca
71 Release version of ITS code
73 Revision 1.14.2.2 2000/05/19 10:09:21 nilsen
74 fix for bug with HP and Sun unix + fix for event display in ITS-working branch
76 Revision 1.14.2.1 2000/03/04 23:45:19 nilsen
77 Fixed up the comments/documentation.
79 Revision 1.14 1999/11/25 06:52:56 fca
82 Revision 1.13.2.1 1999/11/25 06:52:21 fca
85 Revision 1.13 1999/10/27 11:16:26 fca
86 Correction of problem in geometry
88 Revision 1.12 1999/10/22 08:25:25 fca
89 remove double definition of destructors
91 Revision 1.11 1999/10/22 08:16:49 fca
92 Correct destructors, thanks to I.Hrivnacova
94 Revision 1.10 1999/10/06 19:56:50 fca
97 Revision 1.9 1999/10/05 08:05:09 fca
98 Minor corrections for uninitialised variables.
100 Revision 1.8 1999/09/29 09:24:20 fca
101 Introduction of the Copyright and cvs Log
105 ///////////////////////////////////////////////////////////////////////////////
107 // Inner Traking System version PPR coarse symmetric //
108 // This class contains the base procedures for the Inner Tracking System //
110 // Authors: R. Barbera
114 // NOTE: THIS IS THE COARSE SYMMETRIC PPR geometry of the ITS.
115 // THIS WILL NOT WORK
116 // with the geometry or module classes or any analysis classes. You are
117 // strongly encouraged to uses AliITSv5.
119 ///////////////////////////////////////////////////////////////////////////////
120 #include <iostream.h>
124 #include <TGeometry.h>
127 #include <TFile.h> // only required for Tracking function?
129 #include <TObjArray.h>
130 #include <TClonesArray.h>
135 #include "AliConst.h"
137 #include "AliITShit.h"
138 #include "AliITSvPPRcoarsesymm.h"
142 ClassImp(AliITSvPPRcoarsesymm)
144 //_____________________________________________________________________________
145 AliITSvPPRcoarsesymm::AliITSvPPRcoarsesymm() {
146 ////////////////////////////////////////////////////////////////////////
147 // Standard default constructor for the ITS version 7.
148 ////////////////////////////////////////////////////////////////////////
156 //_____________________________________________________________________________
157 AliITSvPPRcoarsesymm::AliITSvPPRcoarsesymm(const char *name, const char *title) : AliITS(name, title){
158 ////////////////////////////////////////////////////////////////////////
159 // Standard constructor for the ITS version 7.
160 ////////////////////////////////////////////////////////////////////////
163 fIdName = new TString[fIdN];
170 fIdSens = new Int_t[fIdN];
171 for (Int_t i=0;i<fIdN;i++) fIdSens[i]=0;
175 //____________________________________________________________________________
176 AliITSvPPRcoarsesymm::AliITSvPPRcoarsesymm(const AliITSvPPRcoarsesymm &source){
177 ////////////////////////////////////////////////////////////////////////
178 // Copy Constructor for ITS version 7.
179 ////////////////////////////////////////////////////////////////////////
180 if(&source == this) return;
181 Warning("Copy Constructor","Not allowed to copy AliITSvPPRcoarsesymm");
184 //_____________________________________________________________________________
185 AliITSvPPRcoarsesymm& AliITSvPPRcoarsesymm::operator=(const AliITSvPPRcoarsesymm &source){
186 ////////////////////////////////////////////////////////////////////////
187 // Assignment operator for the ITS version 7.
188 ////////////////////////////////////////////////////////////////////////
189 if(&source == this) return *this;
190 Warning("= operator","Not allowed to copy AliITSvPPRcoarsesymm");
193 //_____________________________________________________________________________
194 AliITSvPPRcoarsesymm::~AliITSvPPRcoarsesymm() {
195 ////////////////////////////////////////////////////////////////////////
196 // Standard destructor for the ITS version 7.
197 ////////////////////////////////////////////////////////////////////////
200 //__________________________________________________________________________
201 void AliITSvPPRcoarsesymm::BuildGeometry(){
202 ////////////////////////////////////////////////////////////////////////
203 // Geometry builder for the ITS version 7.
204 ////////////////////////////////////////////////////////////////////////
206 const int kColorITS=kYellow;
208 top = gAlice->GetGeometry()->GetNode("alice");
210 new TTUBE("S_layer1","Layer1 of ITS","void",3.95,3.95+0.05475,12.25);
212 node = new TNode("Layer1","Layer1","S_layer1",0,0,0,"");
213 node->SetLineColor(kColorITS);
216 new TTUBE("S_layer2","Layer2 of ITS","void",7.,7.+0.05475,16.3);
218 node = new TNode("Layer2","Layer2","S_layer2",0,0,0,"");
219 node->SetLineColor(kColorITS);
222 new TTUBE("S_layer3","Layer3 of ITS","void",15.,15.+0.05288,21.1);
224 node = new TNode("Layer3","Layer3","S_layer3",0,0,0,"");
225 node->SetLineColor(kColorITS);
228 new TTUBE("S_layer4","Layer4 of ITS","void",24,24+0.05288,29.6);
230 node = new TNode("Layer4","Layer4","S_layer4",0,0,0,"");
231 node->SetLineColor(kColorITS);
234 new TTUBE("S_layer5","Layer5 of ITS","void",40,40+0.05382,45.1);
236 node = new TNode("Layer5","Layer5","S_layer5",0,0,0,"");
237 node->SetLineColor(kColorITS);
240 new TTUBE("S_layer6","Layer6 of ITS","void",45,45+0.05382,50.4);
242 node = new TNode("Layer6","Layer6","S_layer6",0,0,0,"");
243 node->SetLineColor(kColorITS);
246 //_____________________________________________________________________________
247 void AliITSvPPRcoarsesymm::CreateGeometry(){
248 ////////////////////////////////////////////////////////////////////////
249 // This routine defines and Creates the geometry for version 7 of the ITS.
250 ////////////////////////////////////////////////////////////////////////
252 //INNER RADII OF THE SILICON LAYERS
253 Float_t rl[6] = { 3.8095,7.,15.,24.,38.1,43.5765 };
254 //THICKNESSES OF LAYERS (in % radiation length)
255 Float_t drl[6] = { 1.03,1.03,0.94,0.95,0.91,0.87 };
256 //HALF LENGTHS OF LAYERS
257 Float_t dzl[6] = { 14.35,14.35,25.1,32.1,49.405,55.27 };
258 //LENGTHS OF END-LADDER BOXES (ALL INCLUDED)
259 Float_t dzb[6] = { 12.4,12.4,13.5,15.,7.5,7.5 };
260 //THICKNESSES OF END-LADDER BOXES (ALL INCLUDED)
261 Float_t drb[6] = { rl[1]-rl[0],0.2,5.,5.,4.,4. };
264 Float_t dits[3], rlim, zmax;
266 Float_t pcits[100], ztpc;
267 Int_t idrotm[1999], i;
270 Int_t rails = 1; // flag for rails (1 --> rails in; 0 --> rails out)
274 if(rails != 0 && rails != 1) {
275 cout << "WARNING: the switch for rails is not set neither to 0 (rails out) nor to 1 (rails in)."
276 " The default value of 1 (rails in) will be used." << endl;
281 cout << "Rails are out." << endl;
283 cout << "Rails are in." << endl;
286 Int_t *idtmed = fIdtmed->GetArray()-199;
288 // CONVERT INTO CM (RL(SI)=9.36 CM)
289 for (i = 0; i < 6; ++i) {
290 drl[i] = drl[i] / 100. * 9.36;
293 // FIELD CAGE HALF LENGTH
299 // --- Define ghost volume containing the whole ITS (including services)
300 // and fill it with air
305 dgh[3] = -ztpc-5.-0.1;
350 dgh[48] = ztpc+4.+0.1;
353 gMC->Gsvolu("ITSV", "PCON", idtmed[275], dgh, 51);
355 // --- Place the ghost volume in its mother volume (ALIC) and make it
358 gMC->Gspos("ITSV", 1, "ALIC", 0., 0., 0., 0, "ONLY");
359 //gMC->Gsatt("ITSV", "SEEN", 0);
362 // --- Define ghost volume containing the six layers and fill it with air
391 gMC->Gsvolu("ITSD", "PCON", idtmed[275], dgh, 27);
393 // --- Place the ghost volume in its mother volume (ALIC) and make it
396 gMC->Gspos("ITSD", 1, "ITSV", 0., 0., 0., 0, "ONLY");
397 //gMC->Gsatt("ITSD", "SEEN", 0);
399 // ITS LAYERS (SILICON)
402 dits[1] = rl[0] + drl[0];
404 gMC->Gsvolu("ITS1", "TUBE", idtmed[199], dits, 3);
405 gMC->Gspos("ITS1", 1, "ITSD", 0., 0., 0., 0, "ONLY");
408 dits[1] = rl[1] + drl[1];
410 gMC->Gsvolu("ITS2", "TUBE", idtmed[199], dits, 3);
411 gMC->Gspos("ITS2", 1, "ITSD", 0., 0., 0., 0, "ONLY");
414 dits[1] = rl[2] + drl[2];
416 gMC->Gsvolu("ITS3", "TUBE", idtmed[224], dits, 3);
417 gMC->Gspos("ITS3", 1, "ITSD", 0., 0., 0., 0, "ONLY");
420 dits[1] = rl[3] + drl[3];
422 gMC->Gsvolu("ITS4", "TUBE", idtmed[224], dits, 3);
423 gMC->Gspos("ITS4", 1, "ITSD", 0., 0., 0., 0, "ONLY");
426 dits[1] = rl[4] + drl[4];
428 gMC->Gsvolu("ITS5", "TUBE", idtmed[249], dits, 3);
429 gMC->Gspos("ITS5", 1, "ITSD", 0., 0., 0., 0, "ONLY");
432 dits[1] = rl[5] + drl[5];
434 gMC->Gsvolu("ITS6", "TUBE", idtmed[249], dits, 3);
435 gMC->Gspos("ITS6", 1, "ITSD", 0., 0., 0., 0, "ONLY");
437 // END-LADDER ELECTRONICS BOXES AND CABLES FOR SPD
439 gMC->Gsvolu("IEL1", "TUBE", idtmed[208], dits, 0);
440 for (i = 0; i < 2; i++) {
442 dits[1] = dits[0] + drb[i];
443 dits[2] = dzb[i] / 2.;
444 zpos = dzl[i] + dits[2];
445 gMC->Gsposp("IEL1", i+1, "ITSD", 0., 0., zpos, 0, "ONLY", dits, 3);
446 gMC->Gsposp("IEL1", i+1+6, "ITSD", 0., 0.,-zpos, 0, "ONLY", dits, 3);
449 // END-LADDER ELECTRONICS BOXES AND CABLES FOR SDD
451 gMC->Gsvolu("IEL2", "TUBE", idtmed[237], dits, 0);
452 for (i = 2; i < 3; i++) {
454 dits[1] = dits[0] + drb[i];
455 dits[2] = dzb[i] / 2.;
456 zpos = dzl[i] + dits[2];
457 gMC->Gsposp("IEL2", i+1, "ITSD", 0., 0., zpos, 0, "ONLY", dits, 3);
458 gMC->Gsposp("IEL2", i+1+6, "ITSD", 0., 0.,-zpos, 0, "ONLY", dits, 3);
460 for (i = 3; i < 4; i++) {
462 dits[1] = dits[0] + drb[i];
463 dits[2] = dzb[i] / 2.;
464 zpos = dzl[i] + dits[2];
465 gMC->Gsposp("IEL2", i+1, "ITSD", 0., 0., zpos, 0, "ONLY", dits, 3);
466 gMC->Gsposp("IEL2", i+1+6, "ITSD", 0., 0.,-zpos, 0, "ONLY", dits, 3);
470 // END-LADDER ELECTRONICS BOXES AND CABLES FOR SSD
472 gMC->Gsvolu("IEL3", "TUBE", idtmed[263], dits, 0);
473 for (i = 4; i < 5; i++) {
475 dits[1] = dits[0] + drb[i];
476 dits[2] = dzb[i] / 2.;
477 zpos = dzl[i] + dits[2];
478 gMC->Gsposp("IEL3", i+1, "ITSD", 0., 0., zpos, 0, "ONLY", dits, 3);
479 gMC->Gsposp("IEL3", i+1+6, "ITSD", 0., 0.,-zpos, 0, "ONLY", dits, 3);
481 for (i = 5; i < 6; i++) {
482 dits[0] = rl[i]+0.4235;
483 dits[1] = dits[0] + drb[i];
484 dits[2] = dzb[i] / 2.;
485 zpos = dzl[i] + dits[2];
486 gMC->Gsposp("IEL3", i+1, "ITSD", 0., 0., zpos, 0, "ONLY", dits, 3);
487 gMC->Gsposp("IEL3", i+1+6, "ITSD", 0., 0.,-zpos, 0, "ONLY", dits, 3);
490 // DEFINE THERMAL SCREEN FOR SPD
495 gMC->Gsvolu("ICY1", "TUBE", idtmed[274], pcits, 3);
496 gMC->Gspos("ICY1", 1, "ITSD", 0., 0., 0., 0, "ONLY");
498 // DEFINE END CONES FOR SDD
500 pcits[0] = (59.-42.5)/2.;
505 gMC->Gsvolu("ICO1", "CONE", idtmed[238], pcits, 5);
506 AliMatrix(idrotm[200], 90., 0., 90., 90., 180., 0.);
507 gMC->Gspos("ICO1", 1, "ITSD", 0., 0., 42.5+pcits[0], 0, "ONLY");
508 gMC->Gspos("ICO1", 2, "ITSD", 0., 0., -(42.5+pcits[0]), idrotm[200], "ONLY");
510 // DEFINE CYLINDER BETWEEN SDD AND SSD
512 pcits[0] = (59.5-0.13/2.)/2.;
513 pcits[1] = (59.5+0.13/2.)/2.;
515 gMC->Gsvolu("ICY2", "TUBE", idtmed[274], pcits, 3);
516 gMC->Gspos("ICY2", 1, "ITSD", 0., 0., 0., 0, "ONLY");
518 // DEFINE END CONES FOR SSD
520 pcits[0] = (74.-59.)/2.;
525 gMC->Gsvolu("ICO2", "CONE", idtmed[264], pcits, 5);
526 gMC->Gspos("ICO2", 1, "ITSD", 0., 0., 59.+pcits[0], 0, "ONLY");
527 gMC->Gspos("ICO2", 2, "ITSD", 0., 0., -(59.+pcits[0]), idrotm[200], "ONLY");
530 // **************************** SERVICES *********************************
533 // --- DEFINE CABLES AT THE END OF THE ITS CONES - COPPER PART
539 gMC->Gsvolu("ICCU", "TUBE", idtmed[279], dgh, 3);
540 gMC->Gspos("ICCU", 1, "ITSV", 0., 0., 83.5, 0, "ONLY");
541 gMC->Gspos("ICCU", 2, "ITSV", 0., 0., -83.5, idrotm[200], "ONLY");
543 // --- DEFINE CABLES AT THE END OF THE ITS CONES - CARBON PART
546 dgh[1] = 46.+1.0+1.5;
549 gMC->Gsvolu("ICCC", "TUBE", idtmed[274], dgh, 3);
550 gMC->Gspos("ICCC", 1, "ITSV", 0., 0., 83.5, 0, "ONLY");
551 gMC->Gspos("ICCC", 2, "ITSV", 0., 0., -83.5, idrotm[200], "ONLY");
553 // --- DEFINE PATCH PANELS AT THE END OF THE ITS CONES
559 gMC->Gsvolu("IPAN", "TUBE", idtmed[285], dgh, 3);
560 gMC->Gspos("IPAN", 1, "ITSV", 0., 0., 95.25, 0, "ONLY");
561 gMC->Gspos("IPAN", 2, "ITSV", 0., 0., -95.25, idrotm[200], "ONLY");
563 // --- DEFINE CABLES/COOLING BELOW THE TPC - COPPER PART - UPPER PART
565 dgh[0] = (ztpc-97.5)/2.;
572 gMC->Gsvolu("ICU1", "CONS", idtmed[279], dgh, 7);
573 gMC->Gspos("ICU1", 1, "ITSV", 0., 0., 97.5+dgh[0], 0, "ONLY");
574 gMC->Gspos("ICU1", 2, "ITSV", 0., 0., -(97.5+dgh[0]), idrotm[200], "ONLY");
576 // --- DEFINE CABLES/COOLING BELOW THE TPC - COPPER PART - LOWER PART
578 dgh[0] = (ztpc-97.5)/2.;
585 gMC->Gsvolu("ICU2", "CONS", idtmed[279], dgh, 7);
586 gMC->Gspos("ICU2", 1, "ITSV", 0., 0., 97.5+dgh[0], 0, "ONLY");
587 gMC->Gspos("ICU2", 2, "ITSV", 0., 0., -(97.5+dgh[0]), idrotm[200], "ONLY");
589 // --- DEFINE CABLES/COOLING BELOW THE TPC - CARBON PART - UPPER PART
591 dgh[0] = (ztpc-97.5)/2.;
593 dgh[2] = 46.2+1.0+1.5;
595 dgh[4] = 62.3+1.0+1.5;
598 gMC->Gsvolu("ICC1", "CONS", idtmed[274], dgh, 7);
599 gMC->Gspos("ICC1", 1, "ITSV", 0., 0., 97.5+dgh[0], 0, "ONLY");
600 gMC->Gspos("ICC1", 2, "ITSV", 0., 0., -(97.5+dgh[0]), idrotm[200], "ONLY");
602 // --- DEFINE CABLES/COOLING BELOW THE TPC - CARBON PART - LOWER PART
604 dgh[0] = (ztpc-97.5)/2.;
606 dgh[2] = 46.2+1.0+1.5;
608 dgh[4] = 62.3+1.0+1.5;
611 gMC->Gsvolu("ICC2", "CONS", idtmed[274], dgh, 7);
612 gMC->Gspos("ICC2", 1, "ITSV", 0., 0., 97.5+dgh[0], 0, "ONLY");
613 gMC->Gspos("ICC2", 2, "ITSV", 0., 0., -(97.5+dgh[0]), idrotm[200], "ONLY");
615 // --- DEFINE CABLES/COOLING BEHIND THE TPC - COPPER PART - UPPER PART
622 gMC->Gsvolu("ICU3", "TUBS", idtmed[279], dgh, 5);
623 gMC->Gspos("ICU3", 1, "ITSV", 0., 0., ztpc+1.5+dgh[2], 0, "ONLY");
624 gMC->Gspos("ICU3", 2, "ITSV", 0., 0., -(ztpc+1.5+dgh[2]), idrotm[200], "ONLY");
626 // --- DEFINE CABLES/COOLING BEHIND THE TPC - COPPER PART - LOWER PART
633 gMC->Gsvolu("ICU4", "TUBS", idtmed[279], dgh, 5);
634 gMC->Gspos("ICU4", 1, "ITSV", 0., 0., ztpc+1.5+dgh[2], 0, "ONLY");
635 gMC->Gspos("ICU4", 2, "ITSV", 0., 0., -(ztpc+1.5+dgh[2]), idrotm[200], "ONLY");
637 // --- DEFINE CABLES/COOLING BEHIND THE TPC - CARBON PART - UPPER PART
644 gMC->Gsvolu("ICC3", "TUBS", idtmed[274], dgh, 5);
645 gMC->Gspos("ICC3", 1, "ITSV", 0., 0., ztpc+dgh[2], 0, "ONLY");
646 gMC->Gspos("ICC3", 2, "ITSV", 0., 0., -(ztpc+dgh[2]), idrotm[200], "ONLY");
648 // --- DEFINE CABLES/COOLING BEHIND THE TPC - CARBON PART - LOWER PART
655 gMC->Gsvolu("ICC4", "TUBS", idtmed[274], dgh, 5);
656 gMC->Gspos("ICC4", 1, "ITSV", 0., 0., ztpc+dgh[2], 0, "ONLY");
657 gMC->Gspos("ICC4", 2, "ITSV", 0., 0., -(ztpc+dgh[2]), idrotm[200], "ONLY");
659 // --- DEFINE HOOK TO THE TPC ON OTHER SIDE W.R.T. THE ABSORBER - UPPER PART
666 gMC->Gsvolu("IHK1", "TUBS", idtmed[284], dgh, 5);
667 gMC->Gspos("IHK1", 1, "ITSV", 0., 0., -ztpc-dgh[2], 0, "ONLY");
669 // --- DEFINE HOOK TO THE TPC ON OTHER SIDE W.R.T. THE ABSORBER - LOWER PART
676 gMC->Gsvolu("IHK2", "TUBS", idtmed[284], dgh, 5);
677 gMC->Gspos("IHK2", 1, "ITSV", 0., 0., -ztpc-dgh[2], 0, "ONLY");
679 // --- DEFINE RAILS BETWEEN THE ITS AND THE TPC
686 gMC->Gsvolu("IRA1", "BOX ", idtmed[285], dgh, 3);
687 gMC->Gspos("IRA1", 1, "ITSV", 53.5, 0., -69.5, 0, "ONLY");
688 gMC->Gsvolu("IRA2", "BOX ", idtmed[285], dgh, 3);
689 gMC->Gspos("IRA2", 1, "ITSV", -53.5, 0., -69.5, 0, "ONLY");
691 dgh[0] = 2.-0.5531; // 0.5531 was determined in such a way that the aluminum area is 20.9 cm^2
692 dgh[1] = 8.-0.5531; // 0.5531 was determined in such a way that the aluminum area is 20.9 cm^2
694 gMC->Gsvolu("IRA3", "BOX ", idtmed[275], dgh, 3);
695 gMC->Gspos("IRA3", 1, "IRA1", 0., 0., 0., 0, "ONLY");
696 gMC->Gsvolu("IRA4", "BOX ", idtmed[275], dgh, 3);
697 gMC->Gspos("IRA4", 1, "IRA2", 0., 0., 0., 0, "ONLY");
701 // --- DEFINE CYLINDERS HOLDING RAILS BETWEEN THE ITS AND THE TPC
706 gMC->Gsvolu("ICYL", "TUBE", idtmed[285], dgh, 3);
707 gMC->Gspos("ICYL", 1, "ALIC", 0., 0., 73.4, 0, "ONLY");
708 gMC->Gspos("ICYL", 2, "ALIC", 0., 0., -73.4, idrotm[200], "ONLY");
710 // --- DEFINE SUPPORTS FOR RAILS ATTACHED TO THE CYLINDERS
714 dgh[2] = 5.; // 5. comes from the fact that the volume has to be 567.6/2 cm^3
715 gMC->Gsvolu("ISR1", "TUBE", idtmed[286], dgh, 3);
716 gMC->Gspos("ISR1", 1, "ALIC", 54.9, 11., 79.5, 0, "ONLY");
717 gMC->Gspos("ISR1", 2, "ALIC", 54.9, -11., 79.5, 0, "ONLY");
718 gMC->Gspos("ISR1", 3, "ALIC", -54.9, 11., 79.5, 0, "ONLY");
719 gMC->Gspos("ISR1", 4, "ALIC", -54.9, -11., 79.5, 0, "ONLY");
720 gMC->Gspos("ISR1", 5, "ALIC", 54.9, 11., -79.5, 0, "ONLY");
721 gMC->Gspos("ISR1", 6, "ALIC", 54.9, -11., -79.5, 0, "ONLY");
722 gMC->Gspos("ISR1", 7, "ALIC", -54.9, 11., -79.5, 0, "ONLY");
723 gMC->Gspos("ISR1", 8, "ALIC", -54.9, -11., -79.5, 0, "ONLY");
725 // --- DEFINE SUPPORTS FOR RAILS ATTACHED TO THE ABSORBER
730 gMC->Gsvolu("ISR2", "BOX ", idtmed[285], dgh, 3);
731 gMC->Gspos("ISR2", 1, "ALIC", 53.5, 0., 125.5, 0, "ONLY");
732 gMC->Gsvolu("ISR3", "BOX ", idtmed[285], dgh, 3);
733 gMC->Gspos("ISR3", 1, "ALIC", -53.5, 0., 125.5, 0, "ONLY");
738 gMC->Gsvolu("ISR4", "BOX ", idtmed[275], dgh, 3);
739 gMC->Gspos("ISR4", 1, "ISR2", 0., 0., 0., 0, "ONLY");
740 gMC->Gsvolu("ISR5", "BOX ", idtmed[275], dgh, 3);
741 gMC->Gspos("ISR5", 1, "ISR3", 0., 0., 0., 0, "ONLY");
743 // --- DEFINE SUPPORTS TO ATTACH THE ITS TO THE TPC
748 gMC->Gsvolu("ISR6", "TUBE", idtmed[285], dgh, 3);
749 gMC->Gspos("ISR6", 1, "ALIC", 0., 54., 77., 0, "ONLY");
750 gMC->Gspos("ISR6", 2, "ALIC", 0., 54., -77., 0, "ONLY");
751 gMC->Gspos("ISR6", 3, "ALIC", 0., -54., -77., 0, "ONLY");
753 // --- Outputs the geometry tree in the EUCLID/CAD format
756 gMC->WriteEuclid("ITSgeometry", "ITSV", 1, 5);
759 //_____________________________________________________________________________
760 void AliITSvPPRcoarsesymm::CreateMaterials(){
761 ////////////////////////////////////////////////////////////////////////
763 // Create ITS materials
764 // This function defines the default materials used in the Geant
765 // Monte Carlo simulations for the geometries AliITSv1, AliITSv3,
766 // AliITSvPPRcoarseasymm.
767 // In general it is automatically replaced by
768 // the CreatMaterials routine defined in AliITSv?. Should the function
769 // CreateMaterials not exist for the geometry version you are using this
770 // one is used. See the definition found in AliITSv5 or the other routine
771 // for a complete definition.
774 Float_t awat[2] = { 1.00794,15.9994 };
775 Float_t zwat[2] = { 1.,8. };
776 Float_t wwat[2] = { 2.,1. };
777 Float_t denswat = 1.;
779 Float_t afre[2] = { 12.011,18.9984032 };
780 Float_t zfre[2] = { 6.,9. };
781 Float_t wfre[2] = { 5.,12. };
782 Float_t densfre = 1.5;
784 // 94.4% Al2O3 , 2.8% SiO2 , 2.3% MnO , 0.5% Cr2O3
785 Float_t acer[5] = { 26.981539,15.9994,28.0855,54.93805,51.9961 };
786 Float_t zcer[5] = { 13.,8.,14.,25., 24. };
787 Float_t wcer[5] = { .49976,1.01233,.01307, .01782,.00342 };
788 Float_t denscer = 3.6;
790 // 60% SiO2 , 40% G10FR4
792 Float_t apcb[3] = { 28.0855,15.9994,17.749 };
793 Float_t zpcb[3] = { 14.,8.,8.875 };
794 Float_t wpcb[3] = { .28,.32,.4 };
795 Float_t denspcb = 1.8;
797 Float_t apoly[2] = { 12.01,1. };
798 Float_t zpoly[2] = { 6.,1. };
799 Float_t wpoly[2] = { .33,.67 };
801 Float_t zserv[4] = { 1.,6.,26.,29. };
802 Float_t aserv[4] = { 1.,12.,55.8,63.5 };
803 Float_t wserv[4] = { .014,.086,.42,.48 };
805 Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
806 Float_t zsteel[4] = { 26.,24.,28.,14. };
807 Float_t wsteel[4] = { .715,.18,.1,.005 };
810 Int_t isxfld = gAlice->Field()->Integ();
811 Float_t sxmgmx = gAlice->Field()->Max();
814 // --- Define the various materials for GEANT ---
816 // 200-224 --> Silicon Pixel Detectors (detectors, chips, buses, cooling,..)
818 AliMaterial(0, "SPD Si$", 28.0855, 14., 2.33, 9.36, 999.);
819 AliMaterial(1, "SPD Si chip$", 28.0855, 14., 2.33, 9.36, 999.);
820 AliMaterial(2, "SPD Si bus$", 28.0855, 14., 2.33, 9.36, 999.);
821 AliMaterial(3, "SPD C$", 12.011, 6., 2.265,18.8, 999.);
823 AliMaterial(4, "SPD Air$", 14.61, 7.3, .001205, 30423., 999.);
824 AliMaterial(5, "SPD Vacuum$", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
825 AliMaterial(6, "SPD Al$", 26.981539, 13., 2.6989, 8.9, 999.);
826 AliMixture( 7, "SPD Water $", awat, zwat, denswat, -2, wwat);
827 AliMixture( 8, "SPD Freon$", afre, zfre, densfre, -2, wfre);
828 AliMaterial(9, "SPD End ladder$", 55.845, 26., 7.87/10., 1.76*10., 999.);
829 //AliMaterial(9, "SPD End ladder$", 55.845, 26., -7.87/10., -1.76*10., 999.);
830 AliMaterial(10, "SPD cone$",28.0855, 14., 2.33, 9.36, 999.); // check !!!!
832 AliMedium(0, "SPD Si$", 0, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
833 AliMedium(1, "SPD Si chip$", 1, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
834 AliMedium(2, "SPD Si bus$", 2, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
835 AliMedium(3, "SPD C$", 3, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
836 AliMedium(4, "SPD Air$", 4, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
837 AliMedium(5, "SPD Vacuum$", 5, 0,isxfld,sxmgmx, 10.,1.00, .1, .100,10.00);
838 AliMedium(6, "SPD Al$", 6, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
839 AliMedium(7, "SPD Water $", 7, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
840 AliMedium(8, "SPD Freon$", 8, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
841 AliMedium(9, "SPD End ladder$",9, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
842 AliMedium(10, "SPD cone$", 10, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
844 // 225-249 --> Silicon Drift Detectors (detectors, chips, buses, cooling,..)
846 AliMaterial(25, "SDD Si$", 28.0855, 14., 2.33, 9.36, 999.);
847 AliMaterial(26, "SDD Si chip$", 28.0855, 14., 2.33, 9.36, 999.);
848 AliMaterial(27, "SDD Si bus$", 28.0855, 14., 2.33, 9.36, 999.);
849 AliMaterial(28, "SDD C$", 12.011, 6., 2.265,18.8, 999.);
851 AliMaterial(29, "SDD Air$", 14.61, 7.3, .001205, 30423., 999.);
852 AliMaterial(30, "SDD Vacuum$", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
853 AliMaterial(31, "SDD Al$", 26.981539, 13., 2.6989, 8.9, 999.);
854 // After a call with ratios by number (negative number of elements),
855 // the ratio array is changed to the ratio by weight, so all successive
856 // calls with the same array must specify the number of elements as
858 AliMixture(32, "SDD Water $", awat, zwat, denswat, 2, wwat);
859 // After a call with ratios by number (negative number of elements),
860 // the ratio array is changed to the ratio by weight, so all successive
861 // calls with the same array must specify the number of elements as
863 AliMixture( 33, "SDD Freon$", afre, zfre, densfre, 2, wfre);
864 AliMixture( 34, "SDD PCB$", apcb, zpcb, denspcb, 3, wpcb);
865 AliMaterial(35, "SDD Copper$", 63.546, 29., 8.96, 1.43, 999.);
866 AliMixture( 36, "SDD Ceramics$", acer, zcer, denscer, -5, wcer);
867 AliMaterial(37, "SDD Kapton$", 12.011, 6., 1.3, 31.27, 999.);
868 AliMaterial(38, "SDD End ladder$", 69.9298, 29.8246, 0.3824, 36.5103, 999.);
869 AliMaterial(39, "SDD cone$",63.546, 29., 1.15, 1.265, 999.);
870 //AliMaterial(38, "SDD End ladder$", 69.9298, 29.8246, -0.3824, -36.5103, 999.);
871 //AliMaterial(39, "SDD cone$",63.546, 29., -1.15, -1.265, 999.);
875 AliMedium(25, "SDD Si$", 25, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
876 AliMedium(26, "SDD Si chip$", 26, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
877 AliMedium(27, "SDD Si bus$", 27, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
878 AliMedium(28, "SDD C$", 28, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
879 AliMedium(29, "SDD Air$", 29, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
880 AliMedium(30, "SDD Vacuum$", 30, 0,isxfld,sxmgmx, 10.,1.00, .1, .100,10.00);
881 AliMedium(31, "SDD Al$", 31, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
882 AliMedium(32, "SDD Water $", 32, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
883 AliMedium(33, "SDD Freon$", 33, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
884 AliMedium(34, "SDD PCB$", 34, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
885 AliMedium(35, "SDD Copper$", 35, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
886 AliMedium(36, "SDD Ceramics$", 36, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
887 AliMedium(37, "SDD Kapton$", 37, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
888 AliMedium(38, "SDD End ladder$",38, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
889 AliMedium(39, "SDD cone$", 39, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
891 // 250-274 --> Silicon Strip Detectors (detectors, chips, buses, cooling,..)
893 AliMaterial(50, "SSD Si$", 28.0855, 14., 2.33, 9.36, 999.);
894 AliMaterial(51, "SSD Si chip$", 28.0855, 14., 2.33, 9.36, 999.);
895 AliMaterial(52, "SSD Si bus$", 28.0855, 14., 2.33, 9.36, 999.);
896 AliMaterial(53, "SSD C$", 12.011, 6., 2.265,18.8, 999.);
898 AliMaterial(54, "SSD Air$", 14.61, 7.3, .001205, 30423., 999.);
899 AliMaterial(55, "SSD Vacuum$", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
900 AliMaterial(56, "SSD Al$", 26.981539, 13., 2.6989, 8.9, 999.);
901 // After a call with ratios by number (negative number of elements),
902 // the ratio array is changed to the ratio by weight, so all successive
903 // calls with the same array must specify the number of elements as
905 AliMixture(57, "SSD Water $", awat, zwat, denswat, 2, wwat);
906 // After a call with ratios by number (negative number of elements),
907 // the ratio array is changed to the ratio by weight, so all successive
908 // calls with the same array must specify the number of elements as
910 AliMixture(58, "SSD Freon$", afre, zfre, densfre, 2, wfre);
911 AliMixture(59, "SSD PCB$", apcb, zpcb, denspcb, 3, wpcb);
912 AliMaterial(60, "SSD Copper$", 63.546, 29., 8.96, 1.43, 999.);
913 // After a call with ratios by number (negative number of elements),
914 // the ratio array is changed to the ratio by weight, so all successive
915 // calls with the same array must specify the number of elements as
917 AliMixture(61, "SSD Ceramics$", acer, zcer, denscer, 5, wcer);
918 AliMaterial(62, "SSD Kapton$", 12.011, 6., 1.3, 31.27, 999.);
920 AliMaterial(63, "SSD G10FR4$", 17.749, 8.875, 1.8, 21.822, 999.);
921 AliMaterial(64, "SSD End ladder$", 32.0988, 15.4021, 0.68, 35.3238, 999.);
922 AliMaterial(65, "SSD cone$",63.546, 29., 1.15, 1.265, 999.);
923 //AliMaterial(64, "SSD End ladder$", 32.0988, 15.4021, -0.68, -35.3238, 999.);
924 //AliMaterial(65, "SSD cone$",63.546, 29., -1.15, -1.265, 999.);
926 AliMedium(50, "SSD Si$", 50, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
927 AliMedium(51, "SSD Si chip$", 51, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
928 AliMedium(52, "SSD Si bus$", 52, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
929 AliMedium(53, "SSD C$", 53, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
930 AliMedium(54, "SSD Air$", 54, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
931 AliMedium(55, "SSD Vacuum$", 55, 0,isxfld,sxmgmx, 10.,1.00, .1, .100,10.00);
932 AliMedium(56, "SSD Al$", 56, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
933 AliMedium(57, "SSD Water $", 57, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
934 AliMedium(58, "SSD Freon$", 58, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
935 AliMedium(59, "SSD PCB$", 59, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
936 AliMedium(60, "SSD Copper$", 60, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
937 AliMedium(61, "SSD Ceramics$", 61, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
938 AliMedium(62, "SSD Kapton$", 62, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
939 AliMedium(63, "SSD G10FR4$", 63, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
940 AliMedium(64, "SSD End ladder$",64, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
941 AliMedium(65, "SSD cone$", 65, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
943 // 275-299 --> General (end-caps, frames, cooling, cables, etc.)
945 AliMaterial(75, "GEN C$", 12.011, 6., 2.265, 18.8, 999.);
947 AliMaterial(76, "GEN Air$", 14.61, 7.3, .001205, 30423., 999.);
948 AliMaterial(77, "GEN Vacuum$", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
949 AliMixture( 78, "GEN POLYETHYL$", apoly, zpoly, .95, -2, wpoly);
950 AliMixture( 79, "GEN SERVICES$", aserv, zserv, 4.68, 4, wserv);
951 AliMaterial(80, "GEN Copper$", 63.546, 29., 8.96, 1.43, 999.);
952 // After a call with ratios by number (negative number of elements),
953 // the ratio array is changed to the ratio by weight, so all successive
954 // calls with the same array must specify the number of elements as
956 AliMixture(81, "GEN Water $", awat, zwat, denswat, 2, wwat);
957 // AliMaterial(82, "GEN Cables$", 12.011, 6., 2.265, 18.8, 999.); // check !!!
958 // AliMaterial(83, "GEN patch pan$", 12.011, 6., 2.265, 18.8, 999.); // check !!!
959 // AliMaterial(84, "GEN serv$", 12.011, 6., 2.265, 18.8, 999.); // check !!!
960 AliMixture(85, "GEN Inox$", asteel, zsteel, 7.88, 4, wsteel);
961 AliMaterial(86, "GEN Al$", 26.981539, 13., 2.6989, 8.9, 999.);
962 AliMaterial(87,"inox/alum$", 32.1502,15.3383,3.0705,6.9197,999.);
964 AliMedium(75,"GEN C$", 75, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
965 AliMedium(76,"GEN Air$", 76, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
966 AliMedium(77,"GEN Vacuum$", 77, 0,isxfld,sxmgmx, 10., .10, .1, .100,10.00);
967 AliMedium(78,"GEN POLYETHYL$",78, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
968 AliMedium(79,"GEN SERVICES$", 79, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
969 AliMedium(80,"GEN Copper$", 80, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
970 AliMedium(81,"GEN Water $", 81, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
971 // AliMedium(82,"GEN Cables$", 82, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
972 // AliMedium(83,"GEN patch pan$",83, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
973 // AliMedium(84,"GEN serv$", 84, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
974 AliMedium(85,"GEN Inox$", 85, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
975 AliMedium(86, "GEN Al$", 86, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
976 AliMedium(87,"inox/alum$", 87, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
979 //_____________________________________________________________________________
980 void AliITSvPPRcoarsesymm::Init(){
981 ////////////////////////////////////////////////////////////////////////
982 // Initialise the ITS after it has been created.
983 ////////////////////////////////////////////////////////////////////////
987 for(i=0;i<25;i++) cout << "*";cout << " ITSvPPRcoarsesymm_Init ";
988 for(i=0;i<25;i++) cout << "*";cout << endl;
992 for(i=0;i<72;i++) cout << "*";
997 //_____________________________________________________________________________
998 void AliITSvPPRcoarsesymm::DrawModule(){
999 ////////////////////////////////////////////////////////////////////////
1000 // Draw a shaded view of the FMD version 6.
1001 ////////////////////////////////////////////////////////////////////////
1003 // Set everything unseen
1004 gMC->Gsatt("*", "seen", -1);
1006 // Set ALIC mother visible
1007 gMC->Gsatt("ALIC","SEEN",0);
1009 // Set the volumes visible
1010 gMC->Gsatt("ITSD","SEEN",0);
1011 gMC->Gsatt("ITS1","SEEN",1);
1012 gMC->Gsatt("ITS2","SEEN",1);
1013 gMC->Gsatt("ITS3","SEEN",1);
1014 gMC->Gsatt("ITS4","SEEN",1);
1015 gMC->Gsatt("ITS5","SEEN",1);
1016 gMC->Gsatt("ITS6","SEEN",1);
1018 gMC->Gsatt("IPCB","SEEN",1);
1019 gMC->Gsatt("ICO2","SEEN",1);
1020 gMC->Gsatt("ICER","SEEN",0);
1021 gMC->Gsatt("ISI2","SEEN",0);
1022 gMC->Gsatt("IPLA","SEEN",0);
1023 gMC->Gsatt("ICO3","SEEN",0);
1024 gMC->Gsatt("IEPX","SEEN",0);
1025 gMC->Gsatt("ISI3","SEEN",1);
1026 gMC->Gsatt("ISUP","SEEN",0);
1027 gMC->Gsatt("ICHO","SEEN",0);
1028 gMC->Gsatt("ICMO","SEEN",0);
1029 gMC->Gsatt("ICMD","SEEN",0);
1030 gMC->Gsatt("ICCO","SEEN",1);
1031 gMC->Gsatt("ICCM","SEEN",0);
1032 gMC->Gsatt("ITMD","SEEN",0);
1033 gMC->Gsatt("ITTT","SEEN",1);
1036 gMC->Gdopt("hide", "on");
1037 gMC->Gdopt("shad", "on");
1038 gMC->Gsatt("*", "fill", 7);
1039 gMC->SetClipBox(".");
1040 gMC->SetClipBox("*", 0, 300, -300, 300, -300, 300);
1041 gMC->DefaultRange();
1042 gMC->Gdraw("alic", 40, 30, 0, 11, 10, .07, .07);
1043 gMC->Gdhead(1111, "Inner Tracking System Version 1");
1044 gMC->Gdman(17, 6, "MAN");
1046 //_____________________________________________________________________________
1047 void AliITSvPPRcoarsesymm::StepManager(){
1048 ////////////////////////////////////////////////////////////////////////
1049 // Called for every step in the ITS, then calls the AliITShit class
1050 // creator with the information to be recoreded about that hit.
1051 ////////////////////////////////////////////////////////////////////////
1057 TLorentzVector position, momentum;
1058 // TClonesArray &lhits = *fHits;
1060 // no hits for this coarse symmetric version.
1066 if(gMC->IsTrackInside()) vol[3] += 1;
1067 if(gMC->IsTrackEntering()) vol[3] += 2;
1068 if(gMC->IsTrackExiting()) vol[3] += 4;
1069 if(gMC->IsTrackOut()) vol[3] += 8;
1070 if(gMC->IsTrackDisappeared()) vol[3] += 16;
1071 if(gMC->IsTrackStop()) vol[3] += 32;
1072 if(gMC->IsTrackAlive()) vol[3] += 64;
1074 // Fill hit structure.
1075 if( !(gMC->TrackCharge()) ) return;
1077 // Only entering charged tracks
1078 if((id=gMC->CurrentVolID(copy))==fIdSens[0]) {
1080 id=gMC->CurrentVolOffID(1,copy);
1082 id=gMC->CurrentVolOffID(2,copy);
1084 } else if(id==fIdSens[1]) {
1086 id=gMC->CurrentVolOffID(1,copy);
1088 id=gMC->CurrentVolOffID(2,copy);
1090 } else if(id==fIdSens[2]) {
1093 id=gMC->CurrentVolOffID(1,copy);
1095 } else if(id==fIdSens[3]) {
1098 id=gMC->CurrentVolOffID(1,copy);
1100 } else if(id==fIdSens[4]) {
1103 id=gMC->CurrentVolOffID(1,copy);
1105 } else if(id==fIdSens[5]) {
1108 id=gMC->CurrentVolOffID(1,copy);
1111 gMC->TrackPosition(position);
1112 gMC->TrackMomentum(momentum);
1113 hits[0]=position[0];
1114 hits[1]=position[1];
1115 hits[2]=position[2];
1116 hits[3]=momentum[0];
1117 hits[4]=momentum[1];
1118 hits[5]=momentum[2];
1119 hits[6]=gMC->Edep();
1120 hits[7]=gMC->TrackTime();
1121 // new(lhits[fNhits++]) AliITShit(fIshunt,gAlice->CurrentTrack(),vol,hits);
1123 // no hits for this coarse symmetric version.