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4c039060 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$Log$
f7f0c278 18Revision 1.14.2.9 2000/10/05 07:49:27 nilsen
19Removed hit generation from step manager.
20
21Revision 1.14.2.8 2000/07/31 13:50:37 barbera
22Updated from the release
d8331d3f 23
94de3818 24Revision 1.19 2000/07/10 16:07:19 fca
25Release version of ITS code
26
b6668dd3 27Revision 1.14.2.2 2000/05/19 10:09:21 nilsen
28fix for bug with HP and Sun unix + fix for event display in ITS-working branch
c9a71be1 29
56d6a1ef 30Revision 1.14.2.1 2000/03/04 23:45:19 nilsen
31Fixed up the comments/documentation.
32
33Revision 1.14 1999/11/25 06:52:56 fca
34Correct value of drca
35
c4a5a168 36Revision 1.13.2.1 1999/11/25 06:52:21 fca
37Correct value of drca
38
39Revision 1.13 1999/10/27 11:16:26 fca
40Correction of problem in geometry
41
7963222e 42Revision 1.12 1999/10/22 08:25:25 fca
43remove double definition of destructors
44
1e3deba7 45Revision 1.11 1999/10/22 08:16:49 fca
46Correct destructors, thanks to I.Hrivnacova
47
5b8cc8df 48Revision 1.10 1999/10/06 19:56:50 fca
49Add destructor
50
1c1b73f8 51Revision 1.9 1999/10/05 08:05:09 fca
52Minor corrections for uninitialised variables.
53
593d2ea1 54Revision 1.8 1999/09/29 09:24:20 fca
55Introduction of the Copyright and cvs Log
56
4c039060 57*/
58
fe4da5cc 59///////////////////////////////////////////////////////////////////////////////
60// //
61// Inner Traking System version 1 //
58005f18 62// This class contains the base procedures for the Inner Tracking System //
fe4da5cc 63// //
58005f18 64// Authors: R. Barbera, A. Morsch.
65// version 1.
66// Created 1998.
67//
68// NOTE: THIS IS THE COARSE pre.TDR geometry of the ITS. THIS WILL NOT WORK
69// with the geometry or module classes or any analysis classes. You are
70// strongly encouraged to uses AliITSv5.
fe4da5cc 71// //
72///////////////////////////////////////////////////////////////////////////////
73
74#include <TMath.h>
75#include <TRandom.h>
76#include <TVector.h>
c9a71be1 77#include <TGeometry.h>
78#include <TNode.h>
79#include <TTUBE.h>
b6668dd3 80#include <TFile.h> // only required for Tracking function?
81#include <TCanvas.h>
82#include <TObjArray.h>
f7f0c278 83#include <TObjString.h>
b6668dd3 84#include <TClonesArray.h>
85
c9a71be1 86
87#include "AliMC.h"
88#include "AliConst.h"
f7f0c278 89#include "AliRun.h"
90#include "AliMagF.h"
c9a71be1 91
58005f18 92#include "AliITShit.h"
fe4da5cc 93#include "AliITSv1.h"
fe4da5cc 94
fe4da5cc 95
96ClassImp(AliITSv1)
97
98//_____________________________________________________________________________
e8189707 99AliITSv1::AliITSv1() {
56d6a1ef 100////////////////////////////////////////////////////////////////////////
101// Standard default constructor for the ITS version 1.
102////////////////////////////////////////////////////////////////////////
e8189707 103
f7f0c278 104 fIdN = 0;
105 fIdName = 0;
106 fIdSens = 0;
107 fMajorVersion = 1;
108 fMinorVersion = -1;
fe4da5cc 109}
fe4da5cc 110//_____________________________________________________________________________
56d6a1ef 111AliITSv1::AliITSv1(const char *name, const char *title) : AliITS(name, title){
112////////////////////////////////////////////////////////////////////////
113// Standard constructor for the ITS version 1.
114////////////////////////////////////////////////////////////////////////
e8189707 115
f7f0c278 116 fIdN = 6;
117/*
118// TObjArray of TObjStrings
119 fIdName = new TObjArray(fIdN);
120 fIdName->AddAt(new TObjString("ITS1"),0);
121 fIdName->AddAt(new TObjString("ITS2"),1);
122 fIdName->AddAt(new TObjString("ITS3"),2);
123 fIdName->AddAt(new TObjString("ITS4"),3);
124 fIdName->AddAt(new TObjString("ITS5"),4);
125 fIdName->AddAt(new TObjString("ITS6"),5);
126*/
127// Array of TStrings.
128 fIdName = new TString[fIdN];
129 fIdName[0] = "ITS1";
130 fIdName[1] = "ITS2";
131 fIdName[2] = "ITS3";
132 fIdName[3] = "ITS4";
133 fIdName[4] = "ITS5";
134 fIdName[5] = "ITS6";
135 fIdSens = new Int_t[fIdN];
136 for (Int_t i=0;i<fIdN;i++) fIdSens[i] = 0;
137 fMajorVersion = 1;
138 fMinorVersion = 1;
e8189707 139
fe4da5cc 140}
b6668dd3 141//____________________________________________________________________________
142AliITSv1::AliITSv1(const AliITSv1 &source){
143////////////////////////////////////////////////////////////////////////
144// Copy Constructor for ITS version 1.
145////////////////////////////////////////////////////////////////////////
146 if(&source == this) return;
e8189707 147 printf("Not allowed to copy AliITSv1\n");
481937a6 148 return;
b6668dd3 149}
150//_____________________________________________________________________________
151AliITSv1& AliITSv1::operator=(const AliITSv1 &source){
152////////////////////////////////////////////////////////////////////////
153// Assignment operator for the ITS version 1.
154////////////////////////////////////////////////////////////////////////
481937a6 155 if(&source == this) return *this;
e8189707 156 printf("Not allowed to copy AliITSv1\n");
481937a6 157 return *this;
b6668dd3 158}
1c1b73f8 159//_____________________________________________________________________________
160AliITSv1::~AliITSv1() {
56d6a1ef 161////////////////////////////////////////////////////////////////////////
162// Standard destructor for the ITS version 1.
163////////////////////////////////////////////////////////////////////////
e8189707 164}
165
166//__________________________________________________________________________
c9a71be1 167void AliITSv1::BuildGeometry(){
b6668dd3 168////////////////////////////////////////////////////////////////////////
169// Geometry builder for the ITS version 1.
170////////////////////////////////////////////////////////////////////////
171 TNode *node, *top;
e8189707 172 const int kColorITS=kYellow;
c9a71be1 173 //
b6668dd3 174 top = gAlice->GetGeometry()->GetNode("alice");
c9a71be1 175
176 new TTUBE("S_layer1","Layer1 of ITS","void",3.9,3.9+0.05475,12.25);
b6668dd3 177 top->cd();
178 node = new TNode("Layer1","Layer1","S_layer1",0,0,0,"");
179 node->SetLineColor(kColorITS);
180 fNodes->Add(node);
c9a71be1 181
182 new TTUBE("S_layer2","Layer2 of ITS","void",7.6,7.6+0.05475,16.3);
b6668dd3 183 top->cd();
184 node = new TNode("Layer2","Layer2","S_layer2",0,0,0,"");
185 node->SetLineColor(kColorITS);
186 fNodes->Add(node);
c9a71be1 187
188 new TTUBE("S_layer3","Layer3 of ITS","void",14,14+0.05288,21.1);
b6668dd3 189 top->cd();
190 node = new TNode("Layer3","Layer3","S_layer3",0,0,0,"");
191 node->SetLineColor(kColorITS);
192 fNodes->Add(node);
c9a71be1 193
194 new TTUBE("S_layer4","Layer4 of ITS","void",24,24+0.05288,29.6);
b6668dd3 195 top->cd();
196 node = new TNode("Layer4","Layer4","S_layer4",0,0,0,"");
197 node->SetLineColor(kColorITS);
198 fNodes->Add(node);
c9a71be1 199
200 new TTUBE("S_layer5","Layer5 of ITS","void",40,40+0.05382,45.1);
b6668dd3 201 top->cd();
202 node = new TNode("Layer5","Layer5","S_layer5",0,0,0,"");
203 node->SetLineColor(kColorITS);
204 fNodes->Add(node);
c9a71be1 205
206 new TTUBE("S_layer6","Layer6 of ITS","void",45,45+0.05382,50.4);
b6668dd3 207 top->cd();
208 node = new TNode("Layer6","Layer6","S_layer6",0,0,0,"");
209 node->SetLineColor(kColorITS);
210 fNodes->Add(node);
c9a71be1 211}
fe4da5cc 212//_____________________________________________________________________________
56d6a1ef 213void AliITSv1::CreateGeometry(){
214////////////////////////////////////////////////////////////////////////
215// This routine defines and Creates the geometry for version 1 of the ITS.
216////////////////////////////////////////////////////////////////////////
fe4da5cc 217
218 Float_t drcer[6] = { 0.,0.,.08,.08,0.,0. }; //CERAMICS THICKNESS
219 Float_t drepx[6] = { 0.,0.,0.,0.,.5357,.5357 }; //EPOXY THICKNESS
220 Float_t drpla[6] = { 0.,0.,0.,0.,.1786,.1786 }; //PLASTIC THICKNESS
221 Float_t dzb[6] = { 0.,0.,15.,15.,4.,4. }; //LENGTH OF BOXES
222 Float_t dphi[6] = { 72.,72.,72.,72.,50.6,45. }; //COVERED PHI-RANGE FOR LAYERS 1-6
223 Float_t rl[6] = { 3.9,7.6,14.,24.,40.,45. }; //SILICON LAYERS INNER RADIUS
224 Float_t drl[6] = { .755,.755,.809,.809,.7,.7 }; //THICKNESS OF LAYERS (in % radiation length)
225 Float_t dzl[6] = { 12.67,16.91,20.85,29.15,45.11,50.975 };//HALF LENGTH OF LAYERS
226 Float_t drpcb[6] = { 0.,0.,.06,.06,0.,0. }; //PCB THICKNESS
227 Float_t drcu[6] = { 0.,0.,.0504,.0504,.0357,.0357 }; //COPPER THICKNESS
228 Float_t drsi[6] = { 0.,0.,.006,.006,.3571,.3571 }; //SILICON THICKNESS
229
c4a5a168 230 Float_t drca, dzfc;
fe4da5cc 231 Int_t i, nsec;
b6668dd3 232 Float_t rend, drcatpc, dzco, zend, dits[3], rlim, drsu, zmax;
fe4da5cc 233 Float_t zpos, dzco1, dzco2;
234 Float_t drcac[6], acone, dphii;
235 Float_t pcits[15], xltpc;
236 Float_t rzcone, rstep, r0, z0, acable, fp, dz, zi, ri;
237 Int_t idrotm[399];
238 Float_t dgh[15];
239
ad51aeb0 240 Int_t *idtmed = fIdtmed->GetArray()-199;
fe4da5cc 241
242 // CONVERT INTO CM (RL(SI)=9.36 CM)
e8189707 243 for (i = 0; i < 6; ++i) {
fe4da5cc 244 drl[i] = drl[i] / 100. * 9.36;
245 }
246
247 // SUPPORT ENDPLANE THICKNESS
248 drsu = 2.*0.06+1./20; // 1./20. is 1 cm of honeycomb (1/20 carbon density);
249
250 // CONE BELOW TPC
251
b6668dd3 252 drcatpc = 1.2/4.;
fe4da5cc 253
254 // CABLE THICKNESS (CONICAL CABLES CONNECTING THE LAYERS)
255
c4a5a168 256 drca = 0.2;
fe4da5cc 257
258 // ITS CONE ANGLE
259
260 acone = 45.;
261 acone *= kDegrad;
262
263 // CONE RADIUS AT 1ST LAYER
264
265 rzcone = 30.;
266
267 // FIELD CAGE HALF LENGTH
268
269 dzfc = 64.5;
270 rlim = 48.;
271 zmax = 80.;
272 xltpc = 275.;
273
274
275 // PARAMETERS FOR SMALL (1/2) ITS
f7f0c278 276/*
e8189707 277 for (i = 0; i < 6; ++i) {
fe4da5cc 278 dzl[i] /= 2.;
279 dzb[i] /= 2.;
280 }
281 drca /= 2.;
282 acone /= 2.;
b6668dd3 283 drcatpc /= 2.;
fe4da5cc 284 rzcone /= 2.;
285 dzfc /= 2.;
286 zmax /= 2.;
287 xltpc /= 2.;
f7f0c278 288*/
289 acable = 15.;
fe4da5cc 290
291
292 // EQUAL DISTRIBUTION INTO THE 6 LAYERS
b6668dd3 293 rstep = drcatpc / 6.;
e8189707 294 for (i = 0; i < 6; ++i) {
fe4da5cc 295 drcac[i] = (i+1) * rstep;
296 }
297
298 // NUMBER OF PHI SECTORS
299
300 nsec = 5;
301
302 // PACK IN PHI AS MUCH AS POSSIBLE
303 // NOW PACK USING THICKNESS
304
e8189707 305 for (i = 0; i < 6; ++i) {
fe4da5cc 306
307// PACKING FACTOR
308 fp = rl[5] / rl[i];
309
310 // PHI-PACKING NOT SUFFICIENT ?
311
312 if (dphi[i]/45 < fp) {
313 drcac[i] = drcac[i] * fp * 45/dphi[i];
314 }
315 }
316
317
318 // --- Define ghost volume containing the six layers and fill it with air
319
320 dgh[0] = 3.5;
321 dgh[1] = 50.;
322 dgh[2] = zmax;
cfce8870 323 gMC->Gsvolu("ITSV", "TUBE", idtmed[275], dgh, 3);
fe4da5cc 324
325 // --- Place the ghost volume in its mother volume (ALIC) and make it
326 // invisible
327
cfce8870 328 gMC->Gspos("ITSV", 1, "ALIC", 0., 0., 0., 0, "ONLY");
329 gMC->Gsatt("ITSV", "SEEN", 0);
fe4da5cc 330
331 // ITS LAYERS (SILICON)
332
333 dits[0] = rl[0];
334 dits[1] = rl[0] + drl[0];
335 dits[2] = dzl[0];
cfce8870 336 gMC->Gsvolu("ITS1", "TUBE", idtmed[199], dits, 3);
337 gMC->Gspos("ITS1", 1, "ITSV", 0., 0., 0., 0, "ONLY");
fe4da5cc 338
339 dits[0] = rl[1];
340 dits[1] = rl[1] + drl[1];
341 dits[2] = dzl[1];
cfce8870 342 gMC->Gsvolu("ITS2", "TUBE", idtmed[199], dits, 3);
343 gMC->Gspos("ITS2", 1, "ITSV", 0., 0., 0., 0, "ONLY");
fe4da5cc 344
345 dits[0] = rl[2];
346 dits[1] = rl[2] + drl[2];
347 dits[2] = dzl[2];
cfce8870 348 gMC->Gsvolu("ITS3", "TUBE", idtmed[224], dits, 3);
349 gMC->Gspos("ITS3", 1, "ITSV", 0., 0., 0., 0, "ONLY");
fe4da5cc 350
351 dits[0] = rl[3];
352 dits[1] = rl[3] + drl[3];
353 dits[2] = dzl[3];
cfce8870 354 gMC->Gsvolu("ITS4", "TUBE", idtmed[224], dits, 3);
355 gMC->Gspos("ITS4", 1, "ITSV", 0., 0., 0., 0, "ONLY");
fe4da5cc 356
357 dits[0] = rl[4];
358 dits[1] = rl[4] + drl[4];
359 dits[2] = dzl[4];
cfce8870 360 gMC->Gsvolu("ITS5", "TUBE", idtmed[249], dits, 3);
361 gMC->Gspos("ITS5", 1, "ITSV", 0., 0., 0., 0, "ONLY");
fe4da5cc 362
363 dits[0] = rl[5];
364 dits[1] = rl[5] + drl[5];
365 dits[2] = dzl[5];
cfce8870 366 gMC->Gsvolu("ITS6", "TUBE", idtmed[249], dits, 3);
367 gMC->Gspos("ITS6", 1, "ITSV", 0., 0., 0., 0, "ONLY");
fe4da5cc 368
369 // ELECTRONICS BOXES
370
371 // PCB (layer #3 and #4)
372
cfce8870 373 gMC->Gsvolu("IPCB", "TUBE", idtmed[233], dits, 0);
e8189707 374 for (i = 2; i < 4; ++i) {
fe4da5cc 375 dits[0] = rl[i];
376 dits[1] = dits[0] + drpcb[i];
377 dits[2] = dzb[i] / 2.;
378 zpos = dzl[i] + dits[2];
cfce8870 379 gMC->Gsposp("IPCB", i-1, "ITSV", 0., 0., zpos, 0, "ONLY", dits, 3);
380 gMC->Gsposp("IPCB", i+1, "ITSV", 0., 0.,-zpos, 0, "ONLY", dits, 3);
fe4da5cc 381 }
382
383 // COPPER (layer #3 and #4)
384
cfce8870 385 gMC->Gsvolu("ICO2", "TUBE", idtmed[234], dits, 0);
e8189707 386 for (i = 2; i < 4; ++i) {
fe4da5cc 387 dits[0] = rl[i] + drpcb[i];
388 dits[1] = dits[0] + drcu[i];
389 dits[2] = dzb[i] / 2.;
390 zpos = dzl[i] + dits[2];
cfce8870 391 gMC->Gsposp("ICO2", i-1, "ITSV", 0., 0., zpos, 0, "ONLY", dits, 3);
392 gMC->Gsposp("ICO2", i+1, "ITSV", 0., 0.,-zpos, 0, "ONLY", dits, 3);
fe4da5cc 393 }
394
395 // CERAMICS (layer #3 and #4)
396
cfce8870 397 gMC->Gsvolu("ICER", "TUBE", idtmed[235], dits, 0);
e8189707 398 for (i = 2; i < 4; ++i) {
fe4da5cc 399 dits[0] = rl[i] + drpcb[i] + drcu[i];
400 dits[1] = dits[0] + drcer[i];
401 dits[2] = dzb[i] / 2.;
402 zpos = dzl[i] + dits[2];
cfce8870 403 gMC->Gsposp("ICER", i-1, "ITSV", 0., 0., zpos, 0, "ONLY", dits, 3);
404 gMC->Gsposp("ICER", i+1, "ITSV", 0., 0.,-zpos, 0, "ONLY", dits, 3);
fe4da5cc 405 }
406
407 // SILICON (layer #3 and #4)
408
cfce8870 409 gMC->Gsvolu("ISI2", "TUBE", idtmed[226], dits, 0);
e8189707 410 for (i = 2; i < 4; ++i) {
fe4da5cc 411 dits[0] = rl[i] + drpcb[i] + drcu[i] + drcer[i];
412 dits[1] = dits[0] + drsi[i];
413 dits[2] = dzb[i] / 2.;
414 zpos = dzl[i] + dits[2];
cfce8870 415 gMC->Gsposp("ISI2", i-1, "ITSV", 0., 0., zpos, 0, "ONLY", dits, 3);
416 gMC->Gsposp("ISI2", i+1, "ITSV", 0., 0.,-zpos, 0, "ONLY", dits, 3);
fe4da5cc 417 }
418
419 // PLASTIC (G10FR4) (layer #5 and #6)
420
cfce8870 421 gMC->Gsvolu("IPLA", "TUBE", idtmed[262], dits, 0);
e8189707 422 for (i = 4; i < 6; ++i) {
fe4da5cc 423 dits[0] = rl[i];
424 dits[1] = dits[0] + drpla[i];
425 dits[2] = dzb[i] / 2.;
426 zpos = dzl[i] + dits[2];
cfce8870 427 gMC->Gsposp("IPLA", i-1, "ITSV", 0., 0., zpos, 0, "ONLY", dits, 3);
428 gMC->Gsposp("IPLA", i+1, "ITSV", 0., 0.,-zpos, 0, "ONLY", dits, 3);
fe4da5cc 429 }
430
431 // COPPER (layer #5 and #6)
432
cfce8870 433 gMC->Gsvolu("ICO3", "TUBE", idtmed[259], dits, 0);
e8189707 434 for (i = 4; i < 6; ++i) {
fe4da5cc 435 dits[0] = rl[i] + drpla[i];
436 dits[1] = dits[0] + drcu[i];
437 dits[2] = dzb[i] / 2.;
438 zpos = dzl[i] + dits[2];
cfce8870 439 gMC->Gsposp("ICO3", i-1, "ITSV", 0., 0., zpos, 0, "ONLY", dits, 3);
440 gMC->Gsposp("ICO3", i+1, "ITSV", 0., 0.,-zpos, 0, "ONLY", dits, 3);
fe4da5cc 441 }
442
443 // EPOXY (layer #5 and #6)
444
cfce8870 445 gMC->Gsvolu("IEPX", "TUBE", idtmed[262], dits, 0);
e8189707 446 for (i = 4; i < 6; ++i) {
fe4da5cc 447 dits[0] = rl[i] + drpla[i] + drcu[i];
448 dits[1] = dits[0] + drepx[i];
449 dits[2] = dzb[i] / 2.;
450 zpos = dzl[i] + dits[2];
cfce8870 451 gMC->Gsposp("IEPX", i-1, "ITSV", 0., 0., zpos, 0, "ONLY", dits, 3);
452 gMC->Gsposp("IEPX", i+1, "ITSV", 0., 0.,-zpos, 0, "ONLY", dits, 3);
fe4da5cc 453 }
454
455 // SILICON (layer #5 and #6)
456
cfce8870 457 gMC->Gsvolu("ISI3", "TUBE", idtmed[251], dits, 0);
e8189707 458 for (i = 4; i < 6; ++i) {
fe4da5cc 459 dits[0] = rl[i] + drpla[i] + drcu[i] + drepx[i];
460 dits[1] = dits[0] + drsi[i];
461 dits[2] = dzb[i] / 2.;
462 zpos = dzl[i] + dits[2];
cfce8870 463 gMC->Gsposp("ISI3", i-1, "ITSV", 0., 0., zpos, 0, "ONLY", dits, 3);
464 gMC->Gsposp("ISI3", i+1, "ITSV", 0., 0.,-zpos, 0, "ONLY", dits, 3);
fe4da5cc 465 }
466
467 // SUPPORT
468
cfce8870 469 gMC->Gsvolu("ISUP", "TUBE", idtmed[274], dits, 0);
e8189707 470 for (i = 0; i < 6; ++i) {
fe4da5cc 471 dits[0] = rl[i];
7963222e 472 if (i < 5) dits[1] = rl[i+1];
fe4da5cc 473 else dits[1] = rlim;
474 dits[2] = drsu / 2.;
475 zpos = dzl[i] + dzb[i] + dits[2];
cfce8870 476 gMC->Gsposp("ISUP", i+1, "ITSV", 0., 0., zpos, 0, "ONLY", dits, 3);
477 gMC->Gsposp("ISUP", i+7, "ITSV", 0., 0.,-zpos, 0, "ONLY", dits, 3);
fe4da5cc 478 }
479
480 // CABLES (HORIZONTAL)
481
cfce8870 482 gMC->Gsvolu("ICHO", "TUBE", idtmed[278], dits, 0);
e8189707 483 for (i = 0; i < 6; ++i) {
fe4da5cc 484 dits[0] = rl[i];
485 dits[1] = dits[0] + drca;
486 dits[2] = (rzcone + TMath::Tan(acone) * (rl[i] - rl[0]) - (dzl[i]+ dzb[i] + drsu)) / 2.;
487 zpos = dzl[i - 1] + dzb[i] + drsu + dits[2];
cfce8870 488 gMC->Gsposp("ICHO", i+1, "ITSV", 0., 0., zpos, 0, "ONLY", dits, 3);
489 gMC->Gsposp("ICHO", i+7, "ITSV", 0., 0.,-zpos, 0, "ONLY", dits, 3);
fe4da5cc 490 }
491 // DEFINE A CONICAL GHOST VOLUME FOR THE PHI SEGMENTATION
492 pcits[0] = 0.;
493 pcits[1] = 360.;
494 pcits[2] = 2.;
495 pcits[3] = rzcone;
496 pcits[4] = 3.5;
497 pcits[5] = rl[0];
498 pcits[6] = pcits[3] + TMath::Tan(acone) * (rlim - rl[0]);
499 pcits[7] = rlim - rl[0] + 3.5;
500 pcits[8] = rlim;
cfce8870 501 gMC->Gsvolu("ICMO", "PCON", idtmed[275], pcits, 9);
fe4da5cc 502 AliMatrix(idrotm[200], 90., 0., 90., 90., 180., 0.);
cfce8870 503 gMC->Gspos("ICMO", 1, "ITSV", 0., 0., 0., 0, "ONLY");
504 gMC->Gspos("ICMO", 2, "ITSV", 0., 0., 0., idrotm[200], "ONLY");
fe4da5cc 505
506 // DIVIDE INTO NSEC PHI-SECTIONS
507
cfce8870 508 gMC->Gsdvn("ICMD", "ICMO", nsec, 2);
509 gMC->Gsatt("ICMO", "SEEN", 0);
510 gMC->Gsatt("ICMD", "SEEN", 0);
fe4da5cc 511
512 // CONICAL CABLES
513
514 pcits[2] = 2.;
cfce8870 515 gMC->Gsvolu("ICCO", "PCON", idtmed[278], pcits, 0);
e8189707 516 for (i = 1; i < 6; ++i) {
fe4da5cc 517 pcits[0] = -dphi[i] / 2.;
518 pcits[1] = dphi[i];
519 if (i < 5) {
520 dzco = TMath::Tan(acone) * (rl[i+1] - rl[i]);
521 } else {
522 dzco1 = zmax - (rzcone + TMath::Tan(acone) * (rl[5] - rl[0])) -2.;
523 dzco2 = (rlim - rl[5]) * TMath::Tan(acone);
524 if (rl[5] + dzco1 / TMath::Tan(acone) < rlim) {
525 dzco = dzco1;
526 } else {
527 dzco = dzco2;
528 }
529 }
530 pcits[3] = rzcone + TMath::Tan(acone) * (rl[i] - rl[0]);
531 pcits[4] = rl[i] - drcac[i] / TMath::Sin(acone);
532 pcits[5] = rl[i];
533 pcits[6] = pcits[3] + dzco;
534 pcits[7] = rl[i] + dzco / TMath::Tan(acone) - drcac[i] / TMath::Sin(acone);
535 pcits[8] = rl[i] + dzco / TMath::Tan(acone);
536
cfce8870 537 gMC->Gsposp("ICCO", i, "ICMD", 0., 0., 0., 0, "ONLY", pcits, 9);
fe4da5cc 538
539 }
540 zend = pcits[6];
541 rend = pcits[8];
542
543 // CONICAL CABLES BELOW TPC
544
545 // DEFINE A CONICAL GHOST VOLUME FOR THE PHI SEGMENTATION
546 pcits[0] = 0.;
547 pcits[1] = 360.;
548 pcits[2] = 2.;
549 pcits[3] = zend;
550 pcits[5] = rend;
b6668dd3 551 pcits[4] = pcits[5] - drcatpc;
fe4da5cc 552 pcits[6] = xltpc;
553 pcits[8] = pcits[4] + (pcits[6] - pcits[3]) * TMath::Tan(acable * kDegrad);
b6668dd3 554 pcits[7] = pcits[8] - drcatpc;
fe4da5cc 555 AliMatrix(idrotm[200], 90., 0., 90., 90., 180., 0.);
cfce8870 556 gMC->Gsvolu("ICCM", "PCON", idtmed[275], pcits, 9);
557 gMC->Gspos("ICCM", 1, "ALIC", 0., 0., 0., 0, "ONLY");
558 gMC->Gspos("ICCM", 2, "ALIC", 0., 0., 0., idrotm[200], "ONLY");
559 gMC->Gsdvn("ITMD", "ICCM", nsec, 2);
560 gMC->Gsatt("ITMD", "SEEN", 0);
561 gMC->Gsatt("ICCM", "SEEN", 0);
fe4da5cc 562
563 // NOW PLACE SEGMENTS WITH DECREASING PHI SEGMENTS INTO THE
564 // GHOST-VOLUME
565
566 pcits[2] = 2.;
cfce8870 567 gMC->Gsvolu("ITTT", "PCON", idtmed[278], pcits, 0);
fe4da5cc 568 r0 = rend;
569 z0 = zend;
570 dz = (xltpc - zend) / 9.;
e8189707 571 for (i = 0; i < 9; ++i) {
fe4da5cc 572 zi = z0 + i*dz + dz / 2.;
573 ri = r0 + (zi - z0) * TMath::Tan(acable * kDegrad);
574 dphii = dphi[5] * r0 / ri;
575 pcits[0] = -dphii / 2.;
576 pcits[1] = dphii;
577 pcits[3] = zi - dz / 2.;
578 pcits[5] = r0 + (pcits[3] - z0) * TMath::Tan(acable * kDegrad);
b6668dd3 579 pcits[4] = pcits[5] - drcatpc;
fe4da5cc 580 pcits[6] = zi + dz / 2.;
581 pcits[8] = r0 + (pcits[6] - z0) * TMath::Tan(acable * kDegrad);
b6668dd3 582 pcits[7] = pcits[8] - drcatpc;
fe4da5cc 583
cfce8870 584 gMC->Gsposp("ITTT", i+1, "ITMD", 0., 0., 0., 0, "ONLY", pcits, 9);
fe4da5cc 585 }
586
587 // --- Outputs the geometry tree in the EUCLID/CAD format
588
589 if (fEuclidOut) {
cfce8870 590 gMC->WriteEuclid("ITSgeometry", "ITSV", 1, 5);
fe4da5cc 591 }
592}
fe4da5cc 593//_____________________________________________________________________________
56d6a1ef 594void AliITSv1::CreateMaterials(){
595////////////////////////////////////////////////////////////////////////
c9a71be1 596 //
597 // Create ITS materials
598 // This function defines the default materials used in the Geant
b6668dd3 599 // Monte Carlo simulations for the geometries AliITSv1 and AliITSv3.
600 // In general it is automatically replaced by
c9a71be1 601 // the CreatMaterials routine defined in AliITSv?. Should the function
602 // CreateMaterials not exist for the geometry version you are using this
603 // one is used. See the definition found in AliITSv5 or the other routine
604 // for a complete definition.
605 //
606 // Water H2O
607 Float_t awat[2] = { 1.00794,15.9994 };
608 Float_t zwat[2] = { 1.,8. };
609 Float_t wwat[2] = { 2.,1. };
610 Float_t denswat = 1.;
611 // Freon
612 Float_t afre[2] = { 12.011,18.9984032 };
613 Float_t zfre[2] = { 6.,9. };
614 Float_t wfre[2] = { 5.,12. };
615 Float_t densfre = 1.5;
616 // Ceramics
617 // 94.4% Al2O3 , 2.8% SiO2 , 2.3% MnO , 0.5% Cr2O3
618 Float_t acer[5] = { 26.981539,15.9994,28.0855,54.93805,51.9961 };
619 Float_t zcer[5] = { 13.,8.,14.,25., 24. };
620 Float_t wcer[5] = { .49976,1.01233,.01307, .01782,.00342 };
621 Float_t denscer = 3.6;
622 //
623 // 60% SiO2 , 40% G10FR4
624 // PC board
625 Float_t apcb[3] = { 28.0855,15.9994,17.749 };
626 Float_t zpcb[3] = { 14.,8.,8.875 };
627 Float_t wpcb[3] = { .28,.32,.4 };
628 Float_t denspcb = 1.8;
629 // POLYETHYL
630 Float_t apoly[2] = { 12.01,1. };
631 Float_t zpoly[2] = { 6.,1. };
632 Float_t wpoly[2] = { .33,.67 };
633 // SERVICES
634 Float_t zserv[4] = { 1.,6.,26.,29. };
635 Float_t aserv[4] = { 1.,12.,55.8,63.5 };
636 Float_t wserv[4] = { .014,.086,.42,.48 };
637
b6668dd3 638 Int_t isxfld = gAlice->Field()->Integ();
639 Float_t sxmgmx = gAlice->Field()->Max();
c9a71be1 640
641
642 // --- Define the various materials for GEANT ---
643
644 // 200-224 --> Silicon Pixel Detectors (detectors, chips, buses, cooling,..)
645
646 AliMaterial(0, "SPD Si$", 28.0855, 14., 2.33, 9.36, 999);
647 AliMaterial(1, "SPD Si chip$", 28.0855, 14., 2.33, 9.36, 999);
648 AliMaterial(2, "SPD Si bus$", 28.0855, 14., 2.33, 9.36, 999);
649 AliMaterial(3, "SPD C$", 12.011, 6., 2.265,18.8, 999);
650 // v. dens
651 AliMaterial(4, "SPD Air$", 14.61, 7.3, .001205, 30423., 999);
652 AliMaterial(5, "SPD Vacuum$", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
653 AliMaterial(6, "SPD Al$", 26.981539, 13., 2.6989, 8.9, 999);
654 AliMixture( 7, "SPD Water $", awat, zwat, denswat, -2, wwat);
655 AliMixture( 8, "SPD Freon$", afre, zfre, densfre, -2, wfre);
656 // **
b6668dd3 657 AliMedium(0, "SPD Si$", 0, 1,isxfld,sxmgmx, 10., .01, .1, .003, .003);
658 AliMedium(1, "SPD Si chip$", 1, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
659 AliMedium(2, "SPD Si bus$", 2, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
660 AliMedium(3, "SPD C$", 3, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
661 AliMedium(4, "SPD Air$", 4, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
662 AliMedium(5, "SPD Vacuum$", 5, 0,isxfld,sxmgmx, 10.,1.00, .1, .100,10.00);
663 AliMedium(6, "SPD Al$", 6, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
664 AliMedium(7, "SPD Water $", 7, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
665 AliMedium(8, "SPD Freon$", 8, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
c9a71be1 666
667 // 225-249 --> Silicon Drift Detectors (detectors, chips, buses, cooling,..)
668
669 AliMaterial(25, "SDD Si$", 28.0855, 14., 2.33, 9.36, 999);
670 AliMaterial(26, "SDD Si chip$", 28.0855, 14., 2.33, 9.36, 999);
671 AliMaterial(27, "SDD Si bus$", 28.0855, 14., 2.33, 9.36, 999);
672 AliMaterial(28, "SDD C$", 12.011, 6., 2.265,18.8, 999);
673 // v. dens
674 AliMaterial(29, "SDD Air$", 14.61, 7.3, .001205, 30423., 999);
675 AliMaterial(30, "SDD Vacuum$", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
676 AliMaterial(31, "SDD Al$", 26.981539, 13., 2.6989, 8.9, 999);
677 // After a call with ratios by number (negative number of elements),
678 // the ratio array is changed to the ratio by weight, so all successive
679 // calls with the same array must specify the number of elements as
680 // positive
681 AliMixture(32, "SDD Water $", awat, zwat, denswat, 2, wwat);
682 // After a call with ratios by number (negative number of elements),
683 // the ratio array is changed to the ratio by weight, so all successive
684 // calls with the same array must specify the number of elements as
685 // positive
686 AliMixture( 33, "SDD Freon$", afre, zfre, densfre, 2, wfre);
687 AliMixture( 34, "SDD PCB$", apcb, zpcb, denspcb, 3, wpcb);
688 AliMaterial(35, "SDD Copper$", 63.546, 29., 8.96, 1.43, 999);
689 AliMixture( 36, "SDD Ceramics$", acer, zcer, denscer, -5, wcer);
690 AliMaterial(37, "SDD Kapton$", 12.011, 6., 1.3, 31.27, 999);
691 // **
692 // check A and Z
b6668dd3 693 AliMedium(25, "SDD Si$", 25, 1,isxfld,sxmgmx, 10., .01, .1, .003, .003);
694 AliMedium(26, "SDD Si chip$", 26, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
695 AliMedium(27, "SDD Si bus$", 27, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
696 AliMedium(28, "SDD C$", 28, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
697 AliMedium(29, "SDD Air$", 29, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
698 AliMedium(30, "SDD Vacuum$", 30, 0,isxfld,sxmgmx, 10.,1.00, .1, .100,10.00);
699 AliMedium(31, "SDD Al$", 31, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
700 AliMedium(32, "SDD Water $", 32, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
701 AliMedium(33, "SDD Freon$", 33, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
702 AliMedium(34, "SDD PCB$", 34, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
703 AliMedium(35, "SDD Copper$", 35, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
704 AliMedium(36, "SDD Ceramics$",36, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
705 AliMedium(37, "SDD Kapton$", 37, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
c9a71be1 706
707 // 250-274 --> Silicon Strip Detectors (detectors, chips, buses, cooling,..)
708
709 AliMaterial(50, "SSD Si$", 28.0855, 14., 2.33, 9.36, 999.);
710 AliMaterial(51, "SSD Si chip$", 28.0855, 14., 2.33, 9.36, 999.);
711 AliMaterial(52, "SSD Si bus$", 28.0855, 14., 2.33, 9.36, 999.);
712 AliMaterial(53, "SSD C$", 12.011, 6., 2.265,18.8, 999.);
713 // v. dens
714 AliMaterial(54, "SSD Air$", 14.61, 7.3, .001205, 30423., 999);
715 AliMaterial(55, "SSD Vacuum$", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
716 AliMaterial(56, "SSD Al$", 26.981539, 13., 2.6989, 8.9, 999);
717 // After a call with ratios by number (negative number of elements),
718 // the ratio array is changed to the ratio by weight, so all successive
719 // calls with the same array must specify the number of elements as
720 // positive
721 AliMixture(57, "SSD Water $", awat, zwat, denswat, 2, wwat);
722 // After a call with ratios by number (negative number of elements),
723 // the ratio array is changed to the ratio by weight, so all successive
724 // calls with the same array must specify the number of elements as
725 // positive
726 AliMixture(58, "SSD Freon$", afre, zfre, densfre, 2, wfre);
727 AliMixture(59, "SSD PCB$", apcb, zpcb, denspcb, 3, wpcb);
728 AliMaterial(60, "SSD Copper$", 63.546, 29., 8.96, 1.43, 999.);
729 // After a call with ratios by number (negative number of elements),
730 // the ratio array is changed to the ratio by weight, so all successive
731 // calls with the same array must specify the number of elements as
732 // positive
733 AliMixture( 61, "SSD Ceramics$", acer, zcer, denscer, 5, wcer);
734 AliMaterial(62, "SSD Kapton$", 12.011, 6., 1.3, 31.27, 999.);
735 // check A and Z
736 AliMaterial(63, "SDD G10FR4$", 17.749, 8.875, 1.8, 21.822, 999.);
737 // **
b6668dd3 738 AliMedium(50, "SSD Si$", 50, 1,isxfld,sxmgmx, 10., .01, .1, .003, .003);
739 AliMedium(51, "SSD Si chip$", 51, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
740 AliMedium(52, "SSD Si bus$", 52, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
741 AliMedium(53, "SSD C$", 53, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
742 AliMedium(54, "SSD Air$", 54, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
743 AliMedium(55, "SSD Vacuum$", 55, 0,isxfld,sxmgmx, 10.,1.00, .1, .100,10.00);
744 AliMedium(56, "SSD Al$", 56, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
745 AliMedium(57, "SSD Water $", 57, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
746 AliMedium(58, "SSD Freon$", 58, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
747 AliMedium(59, "SSD PCB$", 59, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
748 AliMedium(60, "SSD Copper$", 60, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
749 AliMedium(61, "SSD Ceramics$",61, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
750 AliMedium(62, "SSD Kapton$", 62, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
751 AliMedium(63, "SSD G10FR4$", 63, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
c9a71be1 752
753 // 275-299 --> General (end-caps, frames, cooling, cables, etc.)
754
755 AliMaterial(75, "GEN C$", 12.011, 6., 2.265, 18.8, 999.);
756 // verify density
757 AliMaterial(76, "GEN Air$", 14.61, 7.3, .001205, 30423., 999);
758 AliMaterial(77, "GEN Vacuum$", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
759 AliMixture( 78, "GEN POLYETHYL$", apoly, zpoly, .95, -2, wpoly);
760 AliMixture( 79, "GEN SERVICES$", aserv, zserv, 4.68, 4, wserv);
761 AliMaterial(80, "GEN Copper$", 63.546, 29., 8.96, 1.43, 999.);
762 // After a call with ratios by number (negative number of elements),
763 // the ratio array is changed to the ratio by weight, so all successive
764 // calls with the same array must specify the number of elements as
765 // positive
766 AliMixture(81, "GEN Water $", awat, zwat, denswat, 2, wwat);
767 // **
b6668dd3 768 AliMedium(75,"GEN C$", 75, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
769 AliMedium(76,"GEN Air$", 76, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
770 AliMedium(77,"GEN Vacuum$", 77, 0,isxfld,sxmgmx, 10., .10, .1, .100,10.00);
771 AliMedium(78,"GEN POLYETHYL$",78, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
772 AliMedium(79,"GEN SERVICES$", 79, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
773 AliMedium(80,"GEN Copper$", 80, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
774 AliMedium(81,"GEN Water $", 81, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
fe4da5cc 775}
fe4da5cc 776//_____________________________________________________________________________
593d2ea1 777void AliITSv1::Init(){
56d6a1ef 778////////////////////////////////////////////////////////////////////////
779// Initialise the ITS after it has been created.
780////////////////////////////////////////////////////////////////////////
e8189707 781
593d2ea1 782 //
783 AliITS::Init();
784 fMajorVersion = 1;
785 fMinorVersion = 0;
fe4da5cc 786}
787
788//_____________________________________________________________________________
56d6a1ef 789void AliITSv1::DrawModule(){
790////////////////////////////////////////////////////////////////////////
791// Draw a shaded view of the FMD version 1.
792////////////////////////////////////////////////////////////////////////
fe4da5cc 793
794 // Set everything unseen
cfce8870 795 gMC->Gsatt("*", "seen", -1);
fe4da5cc 796 //
797 // Set ALIC mother visible
cfce8870 798 gMC->Gsatt("ALIC","SEEN",0);
fe4da5cc 799 //
800 // Set the volumes visible
cfce8870 801 gMC->Gsatt("ITSV","SEEN",0);
802 gMC->Gsatt("ITS1","SEEN",1);
803 gMC->Gsatt("ITS2","SEEN",1);
804 gMC->Gsatt("ITS3","SEEN",1);
805 gMC->Gsatt("ITS4","SEEN",1);
806 gMC->Gsatt("ITS5","SEEN",1);
807 gMC->Gsatt("ITS6","SEEN",1);
fe4da5cc 808
cfce8870 809 gMC->Gsatt("IPCB","SEEN",1);
810 gMC->Gsatt("ICO2","SEEN",1);
811 gMC->Gsatt("ICER","SEEN",0);
812 gMC->Gsatt("ISI2","SEEN",0);
813 gMC->Gsatt("IPLA","SEEN",0);
814 gMC->Gsatt("ICO3","SEEN",0);
815 gMC->Gsatt("IEPX","SEEN",0);
816 gMC->Gsatt("ISI3","SEEN",1);
817 gMC->Gsatt("ISUP","SEEN",0);
818 gMC->Gsatt("ICHO","SEEN",0);
819 gMC->Gsatt("ICMO","SEEN",0);
820 gMC->Gsatt("ICMD","SEEN",0);
821 gMC->Gsatt("ICCO","SEEN",1);
822 gMC->Gsatt("ICCM","SEEN",0);
823 gMC->Gsatt("ITMD","SEEN",0);
824 gMC->Gsatt("ITTT","SEEN",1);
fe4da5cc 825
826 //
cfce8870 827 gMC->Gdopt("hide", "on");
828 gMC->Gdopt("shad", "on");
829 gMC->Gsatt("*", "fill", 7);
830 gMC->SetClipBox(".");
831 gMC->SetClipBox("*", 0, 300, -300, 300, -300, 300);
832 gMC->DefaultRange();
833 gMC->Gdraw("alic", 40, 30, 0, 11, 10, .07, .07);
834 gMC->Gdhead(1111, "Inner Tracking System Version 1");
835 gMC->Gdman(17, 6, "MAN");
fe4da5cc 836}
fe4da5cc 837//_____________________________________________________________________________
56d6a1ef 838void AliITSv1::StepManager(){
839////////////////////////////////////////////////////////////////////////
840// Called for every step in the ITS, then calles the AliITShit class
841// creator with the information to be recoreded about that hit.
842////////////////////////////////////////////////////////////////////////
d8331d3f 843/*
fe4da5cc 844 Int_t copy, id;
58005f18 845 Float_t hits[8];
846 Int_t vol[4];
0a6d8768 847 TLorentzVector position, momentum;
fe4da5cc 848 TClonesArray &lhits = *fHits;
fe4da5cc 849 //
58005f18 850 // Track status
851 vol[3] = 0;
852 if(gMC->IsTrackInside()) vol[3] += 1;
853 if(gMC->IsTrackEntering()) vol[3] += 2;
854 if(gMC->IsTrackExiting()) vol[3] += 4;
855 if(gMC->IsTrackOut()) vol[3] += 8;
856 if(gMC->IsTrackDisappeared()) vol[3] += 16;
857 if(gMC->IsTrackStop()) vol[3] += 32;
858 if(gMC->IsTrackAlive()) vol[3] += 64;
859 //
860 // Fill hit structure.
56d6a1ef 861 if( !(gMC->TrackCharge()) ) return;
fe4da5cc 862 //
863 // Only entering charged tracks
58005f18 864 if((id=gMC->CurrentVolID(copy))==fIdSens[0]) {
fe4da5cc 865 vol[0]=1;
0a6d8768 866 id=gMC->CurrentVolOffID(1,copy);
fe4da5cc 867 vol[1]=copy;
0a6d8768 868 id=gMC->CurrentVolOffID(2,copy);
fe4da5cc 869 vol[2]=copy;
58005f18 870 } else if(id==fIdSens[1]) {
fe4da5cc 871 vol[0]=2;
0a6d8768 872 id=gMC->CurrentVolOffID(1,copy);
fe4da5cc 873 vol[1]=copy;
0a6d8768 874 id=gMC->CurrentVolOffID(2,copy);
fe4da5cc 875 vol[2]=copy;
58005f18 876 } else if(id==fIdSens[2]) {
fe4da5cc 877 vol[0]=3;
878 vol[1]=copy;
0a6d8768 879 id=gMC->CurrentVolOffID(1,copy);
fe4da5cc 880 vol[2]=copy;
58005f18 881 } else if(id==fIdSens[3]) {
fe4da5cc 882 vol[0]=4;
883 vol[1]=copy;
0a6d8768 884 id=gMC->CurrentVolOffID(1,copy);
fe4da5cc 885 vol[2]=copy;
58005f18 886 } else if(id==fIdSens[4]) {
fe4da5cc 887 vol[0]=5;
888 vol[1]=copy;
0a6d8768 889 id=gMC->CurrentVolOffID(1,copy);
fe4da5cc 890 vol[2]=copy;
58005f18 891 } else if(id==fIdSens[5]) {
fe4da5cc 892 vol[0]=6;
893 vol[1]=copy;
0a6d8768 894 id=gMC->CurrentVolOffID(1,copy);
fe4da5cc 895 vol[2]=copy;
896 } else return;
cfce8870 897 gMC->TrackPosition(position);
898 gMC->TrackMomentum(momentum);
fe4da5cc 899 hits[0]=position[0];
900 hits[1]=position[1];
901 hits[2]=position[2];
0a6d8768 902 hits[3]=momentum[0];
903 hits[4]=momentum[1];
58005f18 904 hits[5]=momentum[2];
cfce8870 905 hits[6]=gMC->Edep();
58005f18 906 hits[7]=gMC->TrackTime();
fe4da5cc 907 new(lhits[fNhits++]) AliITShit(fIshunt,gAlice->CurrentTrack(),vol,hits);
d8331d3f 908*/
fe4da5cc 909}
f7f0c278 910/*
593d2ea1 911//____________________________________________________________________________
56d6a1ef 912void AliITSv1::Streamer(TBuffer &R__b){
913////////////////////////////////////////////////////////////////////////
914// A dummy Streamer function for this class AliITSv1. By default it
915// only streams the AliITS class as it is required. Since this class
916// dosen't contain any "real" data to be saved, it doesn't.
917////////////////////////////////////////////////////////////////////////
593d2ea1 918
919 if (R__b.IsReading()) {
920 Version_t R__v = R__b.ReadVersion(); if (R__v) { }
921 AliITS::Streamer(R__b);
593d2ea1 922 } else {
923 R__b.WriteVersion(AliITSv1::IsA());
924 AliITS::Streamer(R__b);
56d6a1ef 925 } // end if R__b.IsReading()
593d2ea1 926}
f7f0c278 927*/