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Merged ITS-working with HEAD. Improved some of the documentation and
[u/mrichter/AliRoot.git] / ITS / AliITSv1.cxx
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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$Log$
56d6a1ef 18Revision 1.14.2.1 2000/03/04 23:45:19 nilsen
19Fixed up the comments/documentation.
20
21Revision 1.14 1999/11/25 06:52:56 fca
22Correct value of drca
23
c4a5a168 24Revision 1.13.2.1 1999/11/25 06:52:21 fca
25Correct value of drca
26
27Revision 1.13 1999/10/27 11:16:26 fca
28Correction of problem in geometry
29
7963222e 30Revision 1.12 1999/10/22 08:25:25 fca
31remove double definition of destructors
32
1e3deba7 33Revision 1.11 1999/10/22 08:16:49 fca
34Correct destructors, thanks to I.Hrivnacova
35
5b8cc8df 36Revision 1.10 1999/10/06 19:56:50 fca
37Add destructor
38
1c1b73f8 39Revision 1.9 1999/10/05 08:05:09 fca
40Minor corrections for uninitialised variables.
41
593d2ea1 42Revision 1.8 1999/09/29 09:24:20 fca
43Introduction of the Copyright and cvs Log
44
4c039060 45*/
46
fe4da5cc 47///////////////////////////////////////////////////////////////////////////////
48// //
49// Inner Traking System version 1 //
58005f18 50// This class contains the base procedures for the Inner Tracking System //
fe4da5cc 51// //
58005f18 52// Authors: R. Barbera, A. Morsch.
53// version 1.
54// Created 1998.
55//
56// NOTE: THIS IS THE COARSE pre.TDR geometry of the ITS. THIS WILL NOT WORK
57// with the geometry or module classes or any analysis classes. You are
58// strongly encouraged to uses AliITSv5.
fe4da5cc 59// //
60///////////////////////////////////////////////////////////////////////////////
61
62#include <TMath.h>
63#include <TRandom.h>
64#include <TVector.h>
58005f18 65#include "AliITShit.h"
fe4da5cc 66#include "AliITSv1.h"
67#include "AliRun.h"
68
69#include "AliMC.h"
70#include "AliConst.h"
71
72ClassImp(AliITSv1)
73
74//_____________________________________________________________________________
593d2ea1 75AliITSv1::AliITSv1() {
56d6a1ef 76////////////////////////////////////////////////////////////////////////
77// Standard default constructor for the ITS version 1.
78////////////////////////////////////////////////////////////////////////
593d2ea1 79 fId1N = 6;
80 fId1Name = new char*[fId1N];
81 fId1Name[0] = "ITS1";
82 fId1Name[1] = "ITS2";
83 fId1Name[2] = "ITS3";
84 fId1Name[3] = "ITS4";
85 fId1Name[4] = "ITS5";
86 fId1Name[5] = "ITS6";
fe4da5cc 87}
fe4da5cc 88//_____________________________________________________________________________
56d6a1ef 89AliITSv1::AliITSv1(const char *name, const char *title) : AliITS(name, title){
90////////////////////////////////////////////////////////////////////////
91// Standard constructor for the ITS version 1.
92////////////////////////////////////////////////////////////////////////
593d2ea1 93 fId1N = 6;
94 fId1Name = new char*[fId1N];
95 fId1Name[0] = "ITS1";
96 fId1Name[1] = "ITS2";
97 fId1Name[2] = "ITS3";
98 fId1Name[3] = "ITS4";
99 fId1Name[4] = "ITS5";
100 fId1Name[5] = "ITS6";
fe4da5cc 101}
1c1b73f8 102//_____________________________________________________________________________
103AliITSv1::~AliITSv1() {
56d6a1ef 104////////////////////////////////////////////////////////////////////////
105// Standard destructor for the ITS version 1.
106////////////////////////////////////////////////////////////////////////
1c1b73f8 107 delete [] fId1Name;
1c1b73f8 108}
fe4da5cc 109//_____________________________________________________________________________
56d6a1ef 110void AliITSv1::CreateGeometry(){
111////////////////////////////////////////////////////////////////////////
112// This routine defines and Creates the geometry for version 1 of the ITS.
113////////////////////////////////////////////////////////////////////////
fe4da5cc 114
115 Float_t drcer[6] = { 0.,0.,.08,.08,0.,0. }; //CERAMICS THICKNESS
116 Float_t drepx[6] = { 0.,0.,0.,0.,.5357,.5357 }; //EPOXY THICKNESS
117 Float_t drpla[6] = { 0.,0.,0.,0.,.1786,.1786 }; //PLASTIC THICKNESS
118 Float_t dzb[6] = { 0.,0.,15.,15.,4.,4. }; //LENGTH OF BOXES
119 Float_t dphi[6] = { 72.,72.,72.,72.,50.6,45. }; //COVERED PHI-RANGE FOR LAYERS 1-6
120 Float_t rl[6] = { 3.9,7.6,14.,24.,40.,45. }; //SILICON LAYERS INNER RADIUS
121 Float_t drl[6] = { .755,.755,.809,.809,.7,.7 }; //THICKNESS OF LAYERS (in % radiation length)
122 Float_t dzl[6] = { 12.67,16.91,20.85,29.15,45.11,50.975 };//HALF LENGTH OF LAYERS
123 Float_t drpcb[6] = { 0.,0.,.06,.06,0.,0. }; //PCB THICKNESS
124 Float_t drcu[6] = { 0.,0.,.0504,.0504,.0357,.0357 }; //COPPER THICKNESS
125 Float_t drsi[6] = { 0.,0.,.006,.006,.3571,.3571 }; //SILICON THICKNESS
126
c4a5a168 127 Float_t drca, dzfc;
fe4da5cc 128 Int_t i, nsec;
129 Float_t rend, drca_tpc, dzco, zend, dits[3], rlim, drsu, zmax;
130 Float_t zpos, dzco1, dzco2;
131 Float_t drcac[6], acone, dphii;
132 Float_t pcits[15], xltpc;
133 Float_t rzcone, rstep, r0, z0, acable, fp, dz, zi, ri;
134 Int_t idrotm[399];
135 Float_t dgh[15];
136
ad51aeb0 137 Int_t *idtmed = fIdtmed->GetArray()-199;
fe4da5cc 138
139 // CONVERT INTO CM (RL(SI)=9.36 CM)
140 for (i = 0; i < 6; ++i) {
141 drl[i] = drl[i] / 100. * 9.36;
142 }
143
144 // SUPPORT ENDPLANE THICKNESS
145 drsu = 2.*0.06+1./20; // 1./20. is 1 cm of honeycomb (1/20 carbon density);
146
147 // CONE BELOW TPC
148
149 drca_tpc = 1.2/4.;
150
151 // CABLE THICKNESS (CONICAL CABLES CONNECTING THE LAYERS)
152
c4a5a168 153 drca = 0.2;
fe4da5cc 154
155 // ITS CONE ANGLE
156
157 acone = 45.;
158 acone *= kDegrad;
159
160 // CONE RADIUS AT 1ST LAYER
161
162 rzcone = 30.;
163
164 // FIELD CAGE HALF LENGTH
165
166 dzfc = 64.5;
167 rlim = 48.;
168 zmax = 80.;
169 xltpc = 275.;
170
171
172 // PARAMETERS FOR SMALL (1/2) ITS
173
174 for (i = 0; i < 6; ++i) {
175 dzl[i] /= 2.;
176 dzb[i] /= 2.;
177 }
178 drca /= 2.;
179 acone /= 2.;
180 drca_tpc /= 2.;
181 rzcone /= 2.;
182 dzfc /= 2.;
183 zmax /= 2.;
184 xltpc /= 2.;
185 acable = 15.;
186
187
188
189 // EQUAL DISTRIBUTION INTO THE 6 LAYERS
190 rstep = drca_tpc / 6.;
191 for (i = 0; i < 6; ++i) {
192 drcac[i] = (i+1) * rstep;
193 }
194
195 // NUMBER OF PHI SECTORS
196
197 nsec = 5;
198
199 // PACK IN PHI AS MUCH AS POSSIBLE
200 // NOW PACK USING THICKNESS
201
202 for (i = 0; i < 6; ++i) {
203
204// PACKING FACTOR
205 fp = rl[5] / rl[i];
206
207 // PHI-PACKING NOT SUFFICIENT ?
208
209 if (dphi[i]/45 < fp) {
210 drcac[i] = drcac[i] * fp * 45/dphi[i];
211 }
212 }
213
214
215 // --- Define ghost volume containing the six layers and fill it with air
216
217 dgh[0] = 3.5;
218 dgh[1] = 50.;
219 dgh[2] = zmax;
cfce8870 220 gMC->Gsvolu("ITSV", "TUBE", idtmed[275], dgh, 3);
fe4da5cc 221
222 // --- Place the ghost volume in its mother volume (ALIC) and make it
223 // invisible
224
cfce8870 225 gMC->Gspos("ITSV", 1, "ALIC", 0., 0., 0., 0, "ONLY");
226 gMC->Gsatt("ITSV", "SEEN", 0);
fe4da5cc 227
228 // ITS LAYERS (SILICON)
229
230 dits[0] = rl[0];
231 dits[1] = rl[0] + drl[0];
232 dits[2] = dzl[0];
cfce8870 233 gMC->Gsvolu("ITS1", "TUBE", idtmed[199], dits, 3);
234 gMC->Gspos("ITS1", 1, "ITSV", 0., 0., 0., 0, "ONLY");
fe4da5cc 235
236 dits[0] = rl[1];
237 dits[1] = rl[1] + drl[1];
238 dits[2] = dzl[1];
cfce8870 239 gMC->Gsvolu("ITS2", "TUBE", idtmed[199], dits, 3);
240 gMC->Gspos("ITS2", 1, "ITSV", 0., 0., 0., 0, "ONLY");
fe4da5cc 241
242 dits[0] = rl[2];
243 dits[1] = rl[2] + drl[2];
244 dits[2] = dzl[2];
cfce8870 245 gMC->Gsvolu("ITS3", "TUBE", idtmed[224], dits, 3);
246 gMC->Gspos("ITS3", 1, "ITSV", 0., 0., 0., 0, "ONLY");
fe4da5cc 247
248 dits[0] = rl[3];
249 dits[1] = rl[3] + drl[3];
250 dits[2] = dzl[3];
cfce8870 251 gMC->Gsvolu("ITS4", "TUBE", idtmed[224], dits, 3);
252 gMC->Gspos("ITS4", 1, "ITSV", 0., 0., 0., 0, "ONLY");
fe4da5cc 253
254 dits[0] = rl[4];
255 dits[1] = rl[4] + drl[4];
256 dits[2] = dzl[4];
cfce8870 257 gMC->Gsvolu("ITS5", "TUBE", idtmed[249], dits, 3);
258 gMC->Gspos("ITS5", 1, "ITSV", 0., 0., 0., 0, "ONLY");
fe4da5cc 259
260 dits[0] = rl[5];
261 dits[1] = rl[5] + drl[5];
262 dits[2] = dzl[5];
cfce8870 263 gMC->Gsvolu("ITS6", "TUBE", idtmed[249], dits, 3);
264 gMC->Gspos("ITS6", 1, "ITSV", 0., 0., 0., 0, "ONLY");
fe4da5cc 265
266 // ELECTRONICS BOXES
267
268 // PCB (layer #3 and #4)
269
cfce8870 270 gMC->Gsvolu("IPCB", "TUBE", idtmed[233], dits, 0);
fe4da5cc 271 for (i = 2; i < 4; ++i) {
272 dits[0] = rl[i];
273 dits[1] = dits[0] + drpcb[i];
274 dits[2] = dzb[i] / 2.;
275 zpos = dzl[i] + dits[2];
cfce8870 276 gMC->Gsposp("IPCB", i-1, "ITSV", 0., 0., zpos, 0, "ONLY", dits, 3);
277 gMC->Gsposp("IPCB", i+1, "ITSV", 0., 0.,-zpos, 0, "ONLY", dits, 3);
fe4da5cc 278 }
279
280 // COPPER (layer #3 and #4)
281
cfce8870 282 gMC->Gsvolu("ICO2", "TUBE", idtmed[234], dits, 0);
fe4da5cc 283 for (i = 2; i < 4; ++i) {
284 dits[0] = rl[i] + drpcb[i];
285 dits[1] = dits[0] + drcu[i];
286 dits[2] = dzb[i] / 2.;
287 zpos = dzl[i] + dits[2];
cfce8870 288 gMC->Gsposp("ICO2", i-1, "ITSV", 0., 0., zpos, 0, "ONLY", dits, 3);
289 gMC->Gsposp("ICO2", i+1, "ITSV", 0., 0.,-zpos, 0, "ONLY", dits, 3);
fe4da5cc 290 }
291
292 // CERAMICS (layer #3 and #4)
293
cfce8870 294 gMC->Gsvolu("ICER", "TUBE", idtmed[235], dits, 0);
fe4da5cc 295 for (i = 2; i < 4; ++i) {
296 dits[0] = rl[i] + drpcb[i] + drcu[i];
297 dits[1] = dits[0] + drcer[i];
298 dits[2] = dzb[i] / 2.;
299 zpos = dzl[i] + dits[2];
cfce8870 300 gMC->Gsposp("ICER", i-1, "ITSV", 0., 0., zpos, 0, "ONLY", dits, 3);
301 gMC->Gsposp("ICER", i+1, "ITSV", 0., 0.,-zpos, 0, "ONLY", dits, 3);
fe4da5cc 302 }
303
304 // SILICON (layer #3 and #4)
305
cfce8870 306 gMC->Gsvolu("ISI2", "TUBE", idtmed[226], dits, 0);
fe4da5cc 307 for (i = 2; i < 4; ++i) {
308 dits[0] = rl[i] + drpcb[i] + drcu[i] + drcer[i];
309 dits[1] = dits[0] + drsi[i];
310 dits[2] = dzb[i] / 2.;
311 zpos = dzl[i] + dits[2];
cfce8870 312 gMC->Gsposp("ISI2", i-1, "ITSV", 0., 0., zpos, 0, "ONLY", dits, 3);
313 gMC->Gsposp("ISI2", i+1, "ITSV", 0., 0.,-zpos, 0, "ONLY", dits, 3);
fe4da5cc 314 }
315
316 // PLASTIC (G10FR4) (layer #5 and #6)
317
cfce8870 318 gMC->Gsvolu("IPLA", "TUBE", idtmed[262], dits, 0);
fe4da5cc 319 for (i = 4; i < 6; ++i) {
320 dits[0] = rl[i];
321 dits[1] = dits[0] + drpla[i];
322 dits[2] = dzb[i] / 2.;
323 zpos = dzl[i] + dits[2];
cfce8870 324 gMC->Gsposp("IPLA", i-1, "ITSV", 0., 0., zpos, 0, "ONLY", dits, 3);
325 gMC->Gsposp("IPLA", i+1, "ITSV", 0., 0.,-zpos, 0, "ONLY", dits, 3);
fe4da5cc 326 }
327
328 // COPPER (layer #5 and #6)
329
cfce8870 330 gMC->Gsvolu("ICO3", "TUBE", idtmed[259], dits, 0);
fe4da5cc 331 for (i = 4; i < 6; ++i) {
332 dits[0] = rl[i] + drpla[i];
333 dits[1] = dits[0] + drcu[i];
334 dits[2] = dzb[i] / 2.;
335 zpos = dzl[i] + dits[2];
cfce8870 336 gMC->Gsposp("ICO3", i-1, "ITSV", 0., 0., zpos, 0, "ONLY", dits, 3);
337 gMC->Gsposp("ICO3", i+1, "ITSV", 0., 0.,-zpos, 0, "ONLY", dits, 3);
fe4da5cc 338 }
339
340 // EPOXY (layer #5 and #6)
341
cfce8870 342 gMC->Gsvolu("IEPX", "TUBE", idtmed[262], dits, 0);
fe4da5cc 343 for (i = 4; i < 6; ++i) {
344 dits[0] = rl[i] + drpla[i] + drcu[i];
345 dits[1] = dits[0] + drepx[i];
346 dits[2] = dzb[i] / 2.;
347 zpos = dzl[i] + dits[2];
cfce8870 348 gMC->Gsposp("IEPX", i-1, "ITSV", 0., 0., zpos, 0, "ONLY", dits, 3);
349 gMC->Gsposp("IEPX", i+1, "ITSV", 0., 0.,-zpos, 0, "ONLY", dits, 3);
fe4da5cc 350 }
351
352 // SILICON (layer #5 and #6)
353
cfce8870 354 gMC->Gsvolu("ISI3", "TUBE", idtmed[251], dits, 0);
fe4da5cc 355 for (i = 4; i < 6; ++i) {
356 dits[0] = rl[i] + drpla[i] + drcu[i] + drepx[i];
357 dits[1] = dits[0] + drsi[i];
358 dits[2] = dzb[i] / 2.;
359 zpos = dzl[i] + dits[2];
cfce8870 360 gMC->Gsposp("ISI3", i-1, "ITSV", 0., 0., zpos, 0, "ONLY", dits, 3);
361 gMC->Gsposp("ISI3", i+1, "ITSV", 0., 0.,-zpos, 0, "ONLY", dits, 3);
fe4da5cc 362 }
363
364 // SUPPORT
365
cfce8870 366 gMC->Gsvolu("ISUP", "TUBE", idtmed[274], dits, 0);
fe4da5cc 367 for (i = 0; i < 6; ++i) {
368 dits[0] = rl[i];
7963222e 369 if (i < 5) dits[1] = rl[i+1];
fe4da5cc 370 else dits[1] = rlim;
371 dits[2] = drsu / 2.;
372 zpos = dzl[i] + dzb[i] + dits[2];
cfce8870 373 gMC->Gsposp("ISUP", i+1, "ITSV", 0., 0., zpos, 0, "ONLY", dits, 3);
374 gMC->Gsposp("ISUP", i+7, "ITSV", 0., 0.,-zpos, 0, "ONLY", dits, 3);
fe4da5cc 375 }
376
377 // CABLES (HORIZONTAL)
378
cfce8870 379 gMC->Gsvolu("ICHO", "TUBE", idtmed[278], dits, 0);
fe4da5cc 380 for (i = 0; i < 6; ++i) {
381 dits[0] = rl[i];
382 dits[1] = dits[0] + drca;
383 dits[2] = (rzcone + TMath::Tan(acone) * (rl[i] - rl[0]) - (dzl[i]+ dzb[i] + drsu)) / 2.;
384 zpos = dzl[i - 1] + dzb[i] + drsu + dits[2];
cfce8870 385 gMC->Gsposp("ICHO", i+1, "ITSV", 0., 0., zpos, 0, "ONLY", dits, 3);
386 gMC->Gsposp("ICHO", i+7, "ITSV", 0., 0.,-zpos, 0, "ONLY", dits, 3);
fe4da5cc 387 }
388 // DEFINE A CONICAL GHOST VOLUME FOR THE PHI SEGMENTATION
389 pcits[0] = 0.;
390 pcits[1] = 360.;
391 pcits[2] = 2.;
392 pcits[3] = rzcone;
393 pcits[4] = 3.5;
394 pcits[5] = rl[0];
395 pcits[6] = pcits[3] + TMath::Tan(acone) * (rlim - rl[0]);
396 pcits[7] = rlim - rl[0] + 3.5;
397 pcits[8] = rlim;
cfce8870 398 gMC->Gsvolu("ICMO", "PCON", idtmed[275], pcits, 9);
fe4da5cc 399 AliMatrix(idrotm[200], 90., 0., 90., 90., 180., 0.);
cfce8870 400 gMC->Gspos("ICMO", 1, "ITSV", 0., 0., 0., 0, "ONLY");
401 gMC->Gspos("ICMO", 2, "ITSV", 0., 0., 0., idrotm[200], "ONLY");
fe4da5cc 402
403 // DIVIDE INTO NSEC PHI-SECTIONS
404
cfce8870 405 gMC->Gsdvn("ICMD", "ICMO", nsec, 2);
406 gMC->Gsatt("ICMO", "SEEN", 0);
407 gMC->Gsatt("ICMD", "SEEN", 0);
fe4da5cc 408
409 // CONICAL CABLES
410
411 pcits[2] = 2.;
cfce8870 412 gMC->Gsvolu("ICCO", "PCON", idtmed[278], pcits, 0);
fe4da5cc 413 for (i = 1; i < 6; ++i) {
414 pcits[0] = -dphi[i] / 2.;
415 pcits[1] = dphi[i];
416 if (i < 5) {
417 dzco = TMath::Tan(acone) * (rl[i+1] - rl[i]);
418 } else {
419 dzco1 = zmax - (rzcone + TMath::Tan(acone) * (rl[5] - rl[0])) -2.;
420 dzco2 = (rlim - rl[5]) * TMath::Tan(acone);
421 if (rl[5] + dzco1 / TMath::Tan(acone) < rlim) {
422 dzco = dzco1;
423 } else {
424 dzco = dzco2;
425 }
426 }
427 pcits[3] = rzcone + TMath::Tan(acone) * (rl[i] - rl[0]);
428 pcits[4] = rl[i] - drcac[i] / TMath::Sin(acone);
429 pcits[5] = rl[i];
430 pcits[6] = pcits[3] + dzco;
431 pcits[7] = rl[i] + dzco / TMath::Tan(acone) - drcac[i] / TMath::Sin(acone);
432 pcits[8] = rl[i] + dzco / TMath::Tan(acone);
433
cfce8870 434 gMC->Gsposp("ICCO", i, "ICMD", 0., 0., 0., 0, "ONLY", pcits, 9);
fe4da5cc 435
436 }
437 zend = pcits[6];
438 rend = pcits[8];
439
440 // CONICAL CABLES BELOW TPC
441
442 // DEFINE A CONICAL GHOST VOLUME FOR THE PHI SEGMENTATION
443 pcits[0] = 0.;
444 pcits[1] = 360.;
445 pcits[2] = 2.;
446 pcits[3] = zend;
447 pcits[5] = rend;
448 pcits[4] = pcits[5] - drca_tpc;
449 pcits[6] = xltpc;
450 pcits[8] = pcits[4] + (pcits[6] - pcits[3]) * TMath::Tan(acable * kDegrad);
451 pcits[7] = pcits[8] - drca_tpc;
452 AliMatrix(idrotm[200], 90., 0., 90., 90., 180., 0.);
cfce8870 453 gMC->Gsvolu("ICCM", "PCON", idtmed[275], pcits, 9);
454 gMC->Gspos("ICCM", 1, "ALIC", 0., 0., 0., 0, "ONLY");
455 gMC->Gspos("ICCM", 2, "ALIC", 0., 0., 0., idrotm[200], "ONLY");
456 gMC->Gsdvn("ITMD", "ICCM", nsec, 2);
457 gMC->Gsatt("ITMD", "SEEN", 0);
458 gMC->Gsatt("ICCM", "SEEN", 0);
fe4da5cc 459
460 // NOW PLACE SEGMENTS WITH DECREASING PHI SEGMENTS INTO THE
461 // GHOST-VOLUME
462
463 pcits[2] = 2.;
cfce8870 464 gMC->Gsvolu("ITTT", "PCON", idtmed[278], pcits, 0);
fe4da5cc 465 r0 = rend;
466 z0 = zend;
467 dz = (xltpc - zend) / 9.;
468 for (i = 0; i < 9; ++i) {
469 zi = z0 + i*dz + dz / 2.;
470 ri = r0 + (zi - z0) * TMath::Tan(acable * kDegrad);
471 dphii = dphi[5] * r0 / ri;
472 pcits[0] = -dphii / 2.;
473 pcits[1] = dphii;
474 pcits[3] = zi - dz / 2.;
475 pcits[5] = r0 + (pcits[3] - z0) * TMath::Tan(acable * kDegrad);
476 pcits[4] = pcits[5] - drca_tpc;
477 pcits[6] = zi + dz / 2.;
478 pcits[8] = r0 + (pcits[6] - z0) * TMath::Tan(acable * kDegrad);
479 pcits[7] = pcits[8] - drca_tpc;
480
cfce8870 481 gMC->Gsposp("ITTT", i+1, "ITMD", 0., 0., 0., 0, "ONLY", pcits, 9);
fe4da5cc 482 }
483
484 // --- Outputs the geometry tree in the EUCLID/CAD format
485
486 if (fEuclidOut) {
cfce8870 487 gMC->WriteEuclid("ITSgeometry", "ITSV", 1, 5);
fe4da5cc 488 }
489}
fe4da5cc 490//_____________________________________________________________________________
56d6a1ef 491void AliITSv1::CreateMaterials(){
492////////////////////////////////////////////////////////////////////////
493// Create Materials for ITS as defined in AliITS::CreateMaterials().
494////////////////////////////////////////////////////////////////////////
fe4da5cc 495 AliITS::CreateMaterials();
496}
fe4da5cc 497//_____________________________________________________________________________
593d2ea1 498void AliITSv1::Init(){
56d6a1ef 499////////////////////////////////////////////////////////////////////////
500// Initialise the ITS after it has been created.
501////////////////////////////////////////////////////////////////////////
593d2ea1 502 Int_t i,j,l;
503
504 fIdN = fId1N;;
505 fIdName = new char*[fIdN];
506 fIdSens = new Int_t[fIdN];
507 for(i=0;i<fId1N;i++) {
508 l = strlen(fId1Name[i]);
509 fIdName[i] = new char[l+1];
510 for(j=0;j<l;j++) fIdName[i][j] = fId1Name[i][j];
511 fIdName[i][l] = '\0'; // Null terminate this string.
512 } // end for i
513 //
514 AliITS::Init();
515 fMajorVersion = 1;
516 fMinorVersion = 0;
fe4da5cc 517}
518
519//_____________________________________________________________________________
56d6a1ef 520void AliITSv1::DrawModule(){
521////////////////////////////////////////////////////////////////////////
522// Draw a shaded view of the FMD version 1.
523////////////////////////////////////////////////////////////////////////
fe4da5cc 524
525 // Set everything unseen
cfce8870 526 gMC->Gsatt("*", "seen", -1);
fe4da5cc 527 //
528 // Set ALIC mother visible
cfce8870 529 gMC->Gsatt("ALIC","SEEN",0);
fe4da5cc 530 //
531 // Set the volumes visible
cfce8870 532 gMC->Gsatt("ITSV","SEEN",0);
533 gMC->Gsatt("ITS1","SEEN",1);
534 gMC->Gsatt("ITS2","SEEN",1);
535 gMC->Gsatt("ITS3","SEEN",1);
536 gMC->Gsatt("ITS4","SEEN",1);
537 gMC->Gsatt("ITS5","SEEN",1);
538 gMC->Gsatt("ITS6","SEEN",1);
fe4da5cc 539
cfce8870 540 gMC->Gsatt("IPCB","SEEN",1);
541 gMC->Gsatt("ICO2","SEEN",1);
542 gMC->Gsatt("ICER","SEEN",0);
543 gMC->Gsatt("ISI2","SEEN",0);
544 gMC->Gsatt("IPLA","SEEN",0);
545 gMC->Gsatt("ICO3","SEEN",0);
546 gMC->Gsatt("IEPX","SEEN",0);
547 gMC->Gsatt("ISI3","SEEN",1);
548 gMC->Gsatt("ISUP","SEEN",0);
549 gMC->Gsatt("ICHO","SEEN",0);
550 gMC->Gsatt("ICMO","SEEN",0);
551 gMC->Gsatt("ICMD","SEEN",0);
552 gMC->Gsatt("ICCO","SEEN",1);
553 gMC->Gsatt("ICCM","SEEN",0);
554 gMC->Gsatt("ITMD","SEEN",0);
555 gMC->Gsatt("ITTT","SEEN",1);
fe4da5cc 556
557 //
cfce8870 558 gMC->Gdopt("hide", "on");
559 gMC->Gdopt("shad", "on");
560 gMC->Gsatt("*", "fill", 7);
561 gMC->SetClipBox(".");
562 gMC->SetClipBox("*", 0, 300, -300, 300, -300, 300);
563 gMC->DefaultRange();
564 gMC->Gdraw("alic", 40, 30, 0, 11, 10, .07, .07);
565 gMC->Gdhead(1111, "Inner Tracking System Version 1");
566 gMC->Gdman(17, 6, "MAN");
fe4da5cc 567}
fe4da5cc 568//_____________________________________________________________________________
56d6a1ef 569void AliITSv1::StepManager(){
570////////////////////////////////////////////////////////////////////////
571// Called for every step in the ITS, then calles the AliITShit class
572// creator with the information to be recoreded about that hit.
573////////////////////////////////////////////////////////////////////////
fe4da5cc 574 Int_t copy, id;
58005f18 575 Float_t hits[8];
576 Int_t vol[4];
0a6d8768 577 TLorentzVector position, momentum;
fe4da5cc 578 TClonesArray &lhits = *fHits;
fe4da5cc 579 //
58005f18 580 // Track status
581 vol[3] = 0;
582 if(gMC->IsTrackInside()) vol[3] += 1;
583 if(gMC->IsTrackEntering()) vol[3] += 2;
584 if(gMC->IsTrackExiting()) vol[3] += 4;
585 if(gMC->IsTrackOut()) vol[3] += 8;
586 if(gMC->IsTrackDisappeared()) vol[3] += 16;
587 if(gMC->IsTrackStop()) vol[3] += 32;
588 if(gMC->IsTrackAlive()) vol[3] += 64;
589 //
590 // Fill hit structure.
56d6a1ef 591 if( !(gMC->TrackCharge()) ) return;
fe4da5cc 592 //
593 // Only entering charged tracks
58005f18 594 if((id=gMC->CurrentVolID(copy))==fIdSens[0]) {
fe4da5cc 595 vol[0]=1;
0a6d8768 596 id=gMC->CurrentVolOffID(1,copy);
fe4da5cc 597 vol[1]=copy;
0a6d8768 598 id=gMC->CurrentVolOffID(2,copy);
fe4da5cc 599 vol[2]=copy;
58005f18 600 } else if(id==fIdSens[1]) {
fe4da5cc 601 vol[0]=2;
0a6d8768 602 id=gMC->CurrentVolOffID(1,copy);
fe4da5cc 603 vol[1]=copy;
0a6d8768 604 id=gMC->CurrentVolOffID(2,copy);
fe4da5cc 605 vol[2]=copy;
58005f18 606 } else if(id==fIdSens[2]) {
fe4da5cc 607 vol[0]=3;
608 vol[1]=copy;
0a6d8768 609 id=gMC->CurrentVolOffID(1,copy);
fe4da5cc 610 vol[2]=copy;
58005f18 611 } else if(id==fIdSens[3]) {
fe4da5cc 612 vol[0]=4;
613 vol[1]=copy;
0a6d8768 614 id=gMC->CurrentVolOffID(1,copy);
fe4da5cc 615 vol[2]=copy;
58005f18 616 } else if(id==fIdSens[4]) {
fe4da5cc 617 vol[0]=5;
618 vol[1]=copy;
0a6d8768 619 id=gMC->CurrentVolOffID(1,copy);
fe4da5cc 620 vol[2]=copy;
58005f18 621 } else if(id==fIdSens[5]) {
fe4da5cc 622 vol[0]=6;
623 vol[1]=copy;
0a6d8768 624 id=gMC->CurrentVolOffID(1,copy);
fe4da5cc 625 vol[2]=copy;
626 } else return;
cfce8870 627 gMC->TrackPosition(position);
628 gMC->TrackMomentum(momentum);
fe4da5cc 629 hits[0]=position[0];
630 hits[1]=position[1];
631 hits[2]=position[2];
0a6d8768 632 hits[3]=momentum[0];
633 hits[4]=momentum[1];
58005f18 634 hits[5]=momentum[2];
cfce8870 635 hits[6]=gMC->Edep();
58005f18 636 hits[7]=gMC->TrackTime();
fe4da5cc 637 new(lhits[fNhits++]) AliITShit(fIshunt,gAlice->CurrentTrack(),vol,hits);
fe4da5cc 638}
593d2ea1 639//____________________________________________________________________________
56d6a1ef 640void AliITSv1::Streamer(TBuffer &R__b){
641////////////////////////////////////////////////////////////////////////
642// A dummy Streamer function for this class AliITSv1. By default it
643// only streams the AliITS class as it is required. Since this class
644// dosen't contain any "real" data to be saved, it doesn't.
645////////////////////////////////////////////////////////////////////////
593d2ea1 646
647 if (R__b.IsReading()) {
648 Version_t R__v = R__b.ReadVersion(); if (R__v) { }
649 AliITS::Streamer(R__b);
650 // This information does not need to be read. It is "hard wired"
651 // into this class via its creators.
652 //R__b >> fId1N;
653 //R__b.ReadArray(fId1Name);
654 } else {
655 R__b.WriteVersion(AliITSv1::IsA());
656 AliITS::Streamer(R__b);
657 // This information does not need to be saved. It is "hard wired"
658 // into this class via its creators.
659 //R__b << fId1N;
660 //R__b.WriteArray(fId1Name, __COUNTER__);
56d6a1ef 661 } // end if R__b.IsReading()
593d2ea1 662}