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fe4da5cc | 1 | /////////////////////////////////////////////////////////////////////////////// |
2 | // // | |
3 | // Inner Traking System version 0 // | |
4 | // // | |
5 | //Begin_Html | |
6 | /* | |
1439f98e | 7 | <img src="picts/AliITSv0Class.gif"> |
fe4da5cc | 8 | </pre> |
9 | <br clear=left> | |
10 | <font size=+2 color=red> | |
11 | <p>The responsible person for this module is | |
12 | <a href="mailto:roberto.barbera@ct.infn.it">Roberto Barbera</a>. | |
13 | </font> | |
14 | <pre> | |
15 | */ | |
16 | //End_Html | |
17 | // // | |
18 | /////////////////////////////////////////////////////////////////////////////// | |
19 | ||
20 | #include <TMath.h> | |
21 | #include <TRandom.h> | |
22 | #include <TVector.h> | |
23 | #include "AliITSv0.h" | |
24 | #include "AliRun.h" | |
25 | ||
26 | #include "AliMC.h" | |
27 | #include "AliConst.h" | |
28 | ||
29 | ClassImp(AliITSv0) | |
30 | ||
31 | //_____________________________________________________________________________ | |
32 | AliITSv0::AliITSv0() : AliITS() | |
33 | { | |
34 | // | |
35 | // Default constructor for ITS | |
36 | // | |
37 | } | |
38 | ||
39 | //_____________________________________________________________________________ | |
40 | AliITSv0::AliITSv0(const char *name, const char *title) | |
41 | : AliITS(name, title) | |
42 | { | |
43 | // | |
44 | // Standard constructor for ITS | |
45 | // | |
46 | } | |
47 | ||
48 | //_____________________________________________________________________________ | |
49 | void AliITSv0::CreateGeometry() | |
50 | { | |
51 | // | |
52 | // Create Geometry for ITS version 0 | |
53 | // | |
54 | //Begin_Html | |
55 | /* | |
1439f98e | 56 | <img src="picts/AliITSv0Tree.gif"> |
fe4da5cc | 57 | */ |
58 | //End_Html | |
59 | //Begin_Html | |
60 | /* | |
1439f98e | 61 | <img src="picts/AliITSv0.gif"> |
fe4da5cc | 62 | */ |
63 | //End_Html | |
64 | ||
fe4da5cc | 65 | |
66 | Float_t rl[6] = { 3.9,7.6,14.,24.,40.,45. }; //SILICON LAYERS INNER RADIUS | |
67 | Float_t drl[6] = { .755,.755,.809,.809,.7,.7 }; //THICKNESS OF LAYERS (in % radiation length) | |
68 | Float_t dzl[6] = { 12.67,16.91,20.85,29.15,45.11,50.975 }; //HALF LENGTH OF LAYERS | |
69 | Float_t drpcb[6] = { 0.,0.,.06,.06,0.,0. }; //PCB THICKNESS | |
70 | Float_t drcu[6] = { 0.,0.,.0504,.0504,.0357,.0357 }; //COPPER THICKNESS | |
71 | Float_t drsi[6] = { 0.,0.,.006,.006,.3571,.3571 }; //SILICON THICKNESS | |
72 | Float_t drcer[6] = { 0.,0.,.08,.08,0.,0. }; //CERAMICS THICKNESS | |
73 | Float_t drepx[6] = { 0.,0.,0.,0.,.5357,.5357 }; //EPOXY THICKNESS | |
74 | Float_t drpla[6] = { 0.,0.,0.,0.,.1786,.1786 }; //PLASTIC THICKNESS | |
75 | Float_t dzb[6] = { 0.,0.,15.,15.,4.,4. }; //LENGTH OF BOXES | |
76 | Float_t dphi[6] = { 72.,72.,72.,72.,50.6,45. }; //COVERED PHI-RANGE FOR LAYERS 1-6 | |
77 | ||
78 | Float_t drca; | |
79 | //Float_t dzfc, dwat; | |
80 | Int_t i, nsec; | |
81 | Float_t rend, drca_tpc, dzco, zend, dits[3], rlim, drsu, zmax; | |
82 | Float_t zpos, dzco1, dzco2; | |
83 | Float_t drcac[6], acone, dphii; | |
84 | Float_t pcits[15], xltpc; | |
85 | Float_t rstep, r0, z0, acable, fp, dz, zi, ri; | |
86 | Int_t idrotm[399]; | |
87 | Float_t rzcone; | |
88 | Float_t dgh[15]; | |
89 | ||
ad51aeb0 | 90 | Int_t *idtmed = fIdtmed->GetArray()-199; |
fe4da5cc | 91 | |
92 | // CONVERT INTO CM (RL(SI)=9.36 CM) | |
93 | for (i = 0; i < 6; ++i) { | |
94 | drl[i] = drl[i]/100. * 9.36; | |
95 | } | |
96 | ||
97 | // SUPPORT ENDPLANE THICKNESS | |
98 | drsu = 2.*0.06 + 1./20; // 1./20. is 1 cm of honeycomb (1/20 carbon density) | |
99 | ||
100 | // CABLE THICKNESS (HORIZONTAL CABLES CONNECTING THE LAYERS) | |
101 | drca = .2; | |
102 | ||
103 | // WATER THICKNESS | |
104 | ||
105 | //dwat = .1; | |
106 | ||
107 | // CONE BELOW TPC | |
108 | ||
109 | drca_tpc = 1.2/4.; | |
110 | ||
111 | // CABLE THICKNESS (CONICAL CABLES CONNECTING THE LAYERS) | |
112 | ||
113 | ||
114 | // ITS CONE ANGLE | |
115 | ||
116 | acone = 45.; | |
117 | acone *= kDegrad; | |
118 | ||
119 | // CONE RADIUS AT 1ST LAYER | |
120 | ||
121 | rzcone = 30.; | |
122 | ||
123 | // FIELD CAGE HALF LENGTH | |
124 | ||
125 | //dzfc = 64.5; | |
126 | rlim = 48.; | |
127 | zmax = 80.; | |
128 | xltpc = 275.; | |
129 | ||
130 | ||
131 | // PARAMETERS FOR SMALL (1/2) ITS | |
132 | ||
133 | // DO I=1,6 | |
134 | // DZL(I)=DZL(I)/2. | |
135 | // DZB(I)=DZB(I)/2. | |
136 | // ENDDO | |
137 | // DRCA=DRCA/2. | |
138 | // ACONE=ACONE/2. | |
139 | // DRCA_TPC=DRCA_TPC/2. | |
140 | // RZCONE=RZCONE/2. | |
141 | // DZFC=DZFC/2. | |
142 | // ZMAX=ZMAX/2. | |
143 | // XLTPC=XLTPC/2. | |
144 | acable = 8.5; | |
145 | ||
146 | // EQUAL DISTRIBUTION INTO THE 6 LAYERS | |
147 | rstep = drca_tpc / 6.; | |
148 | for (i = 0; i < 6; ++i) { | |
149 | drcac[i] = (i+1) * rstep; | |
150 | } | |
151 | ||
152 | // NUMBER OF PHI SECTORS | |
153 | ||
154 | nsec = 5; | |
155 | ||
156 | // NOW PACK USING THICKNESS | |
157 | ||
158 | for (i = 0; i < 6; ++i) { | |
159 | ||
160 | // PACKING FACTOR | |
161 | fp = rl[5] / rl[i]; | |
162 | ||
163 | // PHI-PACKING NOT SUFFICIENT ? | |
164 | ||
165 | if (dphi[i]/45 < fp) { | |
166 | drcac[i] = drcac[i]*fp*45/dphi[i]; | |
167 | } | |
168 | } | |
169 | ||
170 | ||
171 | // --- Define ghost volume containing the six layers and fill it with air | |
172 | ||
173 | dgh[0] = 3.5; | |
174 | dgh[1] = 50.; | |
175 | dgh[2] = zmax; | |
cfce8870 | 176 | gMC->Gsvolu("ITSV", "TUBE", idtmed[275], dgh, 3); |
fe4da5cc | 177 | |
178 | // --- Place the ghost volume in its mother volume (ALIC) and make it | |
179 | // invisible | |
180 | ||
cfce8870 | 181 | gMC->Gspos("ITSV", 1, "ALIC", 0., 0., 0., 0, "ONLY"); |
182 | gMC->Gsatt("ITSV", "SEEN", 0); | |
fe4da5cc | 183 | |
184 | // ITS LAYERS (SILICON) | |
185 | ||
186 | dits[0] = rl[0]; | |
187 | dits[1] = rl[0] + drl[0]; | |
188 | dits[2] = dzl[0]; | |
cfce8870 | 189 | gMC->Gsvolu("ITS1", "TUBE", idtmed[199], dits, 3); |
190 | gMC->Gspos("ITS1", 1, "ITSV", 0., 0., 0., 0, "ONLY"); | |
fe4da5cc | 191 | |
192 | dits[0] = rl[1]; | |
193 | dits[1] = rl[1] + drl[1]; | |
194 | dits[2] = dzl[1]; | |
cfce8870 | 195 | gMC->Gsvolu("ITS2", "TUBE", idtmed[199], dits, 3); |
196 | gMC->Gspos("ITS2", 1, "ITSV", 0., 0., 0., 0, "ONLY"); | |
fe4da5cc | 197 | |
198 | dits[0] = rl[2]; | |
199 | dits[1] = rl[2] + drl[2]; | |
200 | dits[2] = dzl[2]; | |
cfce8870 | 201 | gMC->Gsvolu("ITS3", "TUBE", idtmed[224], dits, 3); |
202 | gMC->Gspos("ITS3", 1, "ITSV", 0., 0., 0., 0, "ONLY"); | |
fe4da5cc | 203 | |
204 | dits[0] = rl[3]; | |
205 | dits[1] = rl[3] + drl[3]; | |
206 | dits[2] = dzl[3]; | |
cfce8870 | 207 | gMC->Gsvolu("ITS4", "TUBE", idtmed[224], dits, 3); |
208 | gMC->Gspos("ITS4", 1, "ITSV", 0., 0., 0., 0, "ONLY"); | |
fe4da5cc | 209 | |
210 | dits[0] = rl[4]; | |
211 | dits[1] = rl[4] + drl[4]; | |
212 | dits[2] = dzl[4]; | |
cfce8870 | 213 | gMC->Gsvolu("ITS5", "TUBE", idtmed[249], dits, 3); |
214 | gMC->Gspos("ITS5", 1, "ITSV", 0., 0., 0., 0, "ONLY"); | |
fe4da5cc | 215 | |
216 | dits[0] = rl[5]; | |
217 | dits[1] = rl[5] + drl[5]; | |
218 | dits[2] = dzl[5]; | |
cfce8870 | 219 | gMC->Gsvolu("ITS6", "TUBE", idtmed[249], dits, 3); |
220 | gMC->Gspos("ITS6", 1, "ITSV", 0., 0., 0., 0, "ONLY"); | |
fe4da5cc | 221 | |
222 | // ELECTRONICS BOXES | |
223 | // PCB (layer #3 and #4) | |
224 | ||
cfce8870 | 225 | gMC->Gsvolu("IPCB", "TUBE", idtmed[233], dits, 0); |
fe4da5cc | 226 | for (i = 2; i < 4; ++i) { |
227 | dits[0] = rl[i]; | |
228 | dits[1] = dits[0] + drpcb[i]; | |
229 | dits[2] = dzb[i] / 2.; | |
230 | zpos = dzl[i] + dits[2]; | |
cfce8870 | 231 | gMC->Gsposp("IPCB", i-1, "ITSV", 0., 0., zpos, 0, "ONLY", dits, 3); |
232 | gMC->Gsposp("IPCB", i+1, "ITSV", 0., 0.,-zpos, 0, "ONLY", dits, 3); | |
fe4da5cc | 233 | } |
234 | ||
235 | // COPPER (layer #3 and #4) | |
236 | ||
cfce8870 | 237 | gMC->Gsvolu("ICO2", "TUBE", idtmed[234], dits, 0); |
fe4da5cc | 238 | for (i = 2; i < 4; ++i) { |
239 | dits[0] = rl[i] + drpcb[i]; | |
240 | dits[1] = dits[0] + drcu[i]; | |
241 | dits[2] = dzb[i] / 2.; | |
242 | zpos = dzl[i] + dits[2]; | |
cfce8870 | 243 | gMC->Gsposp("ICO2", i-1, "ITSV", 0., 0., zpos, 0, "ONLY", dits, 3); |
244 | gMC->Gsposp("ICO2", i+1, "ITSV", 0., 0.,-zpos, 0, "ONLY", dits, 3); | |
fe4da5cc | 245 | } |
246 | ||
247 | // CERAMICS (layer #3 and #4) | |
248 | ||
cfce8870 | 249 | gMC->Gsvolu("ICER", "TUBE", idtmed[235], dits, 0); |
fe4da5cc | 250 | for (i = 2; i < 4; ++i) { |
251 | dits[0] = rl[i] + drpcb[i] + drcu[i]; | |
252 | dits[1] = dits[0] + drcer[i]; | |
253 | dits[2] = dzb[i] / 2.; | |
254 | zpos = dzl[i] + dits[2]; | |
cfce8870 | 255 | gMC->Gsposp("ICER", i-1, "ITSV", 0., 0., zpos, 0, "ONLY", dits, 3); |
256 | gMC->Gsposp("ICER", i+1, "ITSV", 0., 0.,-zpos, 0, "ONLY", dits, 3); | |
fe4da5cc | 257 | } |
258 | ||
259 | // SILICON (layer #3 and #4) | |
260 | ||
cfce8870 | 261 | gMC->Gsvolu("ISI2", "TUBE", idtmed[226], dits, 0); |
fe4da5cc | 262 | for (i = 2; i < 4; ++i) { |
263 | dits[0] = rl[i] + drpcb[i] + drcu[i] + drcer[i]; | |
264 | dits[1] = dits[0] + drsi[i]; | |
265 | dits[2] = dzb[i] / 2.; | |
266 | zpos = dzl[i - 1] + dits[2]; | |
cfce8870 | 267 | gMC->Gsposp("ISI2", i-1, "ITSV", 0., 0., zpos, 0, "ONLY", dits, 3); |
268 | gMC->Gsposp("ISI2", i+1, "ITSV", 0., 0.,-zpos, 0, "ONLY", dits, 3); | |
fe4da5cc | 269 | } |
270 | ||
271 | // PLASTIC (G10FR4) (layer #5 and #6) | |
272 | ||
cfce8870 | 273 | gMC->Gsvolu("IPLA", "TUBE", idtmed[262], dits, 0); |
fe4da5cc | 274 | for (i = 4; i < 6; ++i) { |
275 | dits[0] = rl[i]; | |
276 | dits[1] = dits[0] + drpla[i]; | |
277 | dits[2] = dzb[i] / 2.; | |
278 | zpos = dzl[i] + dits[2]; | |
cfce8870 | 279 | gMC->Gsposp("IPLA", i-1, "ITSV", 0., 0., zpos, 0, "ONLY", dits, 3); |
280 | gMC->Gsposp("IPLA", i+1, "ITSV", 0., 0.,-zpos, 0, "ONLY", dits, 3); | |
fe4da5cc | 281 | } |
282 | ||
283 | // COPPER (layer #5 and #6) | |
284 | ||
cfce8870 | 285 | gMC->Gsvolu("ICO3", "TUBE", idtmed[259], dits, 0); |
fe4da5cc | 286 | for (i = 4; i < 6; ++i) { |
287 | dits[0] = rl[i] + drpla[i]; | |
288 | dits[1] = dits[0] + drcu[i]; | |
289 | dits[2] = dzb[i] / 2.; | |
290 | zpos = dzl[i] + dits[2]; | |
cfce8870 | 291 | gMC->Gsposp("ICO3", i-1, "ITSV", 0., 0., zpos, 0, "ONLY", dits, 3); |
292 | gMC->Gsposp("ICO3", i+1, "ITSV", 0., 0.,-zpos, 0, "ONLY", dits, 3); | |
fe4da5cc | 293 | } |
294 | ||
295 | // EPOXY (layer #5 and #6) | |
296 | ||
cfce8870 | 297 | gMC->Gsvolu("IEPX", "TUBE", idtmed[262], dits, 0); |
fe4da5cc | 298 | for (i = 4; i < 6; ++i) { |
299 | dits[0] = rl[i] + drpla[i] + drcu[i]; | |
300 | dits[1] = dits[0] + drepx[i]; | |
301 | dits[2] = dzb[i] / 2.; | |
302 | zpos = dzl[i] + dits[2]; | |
cfce8870 | 303 | gMC->Gsposp("IEPX", i-1, "ITSV", 0., 0., zpos, 0, "ONLY", dits, 3); |
304 | gMC->Gsposp("IEPX", i+1, "ITSV", 0., 0.,-zpos, 0, "ONLY", dits, 3); | |
fe4da5cc | 305 | } |
306 | ||
307 | // SILICON (layer #5 and #6) | |
308 | ||
cfce8870 | 309 | gMC->Gsvolu("ISI3", "TUBE", idtmed[251], dits, 0); |
fe4da5cc | 310 | for (i = 4; i < 6; ++i) { |
311 | dits[0] = rl[i] + drpla[i] + drcu[i] + drepx[i]; | |
312 | dits[1] = dits[0] + drsi[i]; | |
313 | dits[2] = dzb[i] / 2.; | |
314 | zpos = dzl[i] + dits[2]; | |
cfce8870 | 315 | gMC->Gsposp("ISI3", i-1, "ITSV", 0., 0., zpos, 0, "ONLY", dits, 3); |
316 | gMC->Gsposp("ISI3", i+1, "ITSV", 0., 0.,-zpos, 0, "ONLY", dits, 3); | |
fe4da5cc | 317 | } |
318 | ||
319 | // SUPPORT | |
320 | ||
cfce8870 | 321 | gMC->Gsvolu("ISUP", "TUBE", idtmed[274], dits, 0); |
fe4da5cc | 322 | for (i = 0; i < 6; ++i) { |
323 | dits[0] = rl[i]; | |
324 | if (i < 5) dits[1] = rl[i+1]; | |
325 | else dits[1] = rlim; | |
326 | dits[2] = drsu / 2.; | |
327 | zpos = dzl[i] + dzb[i] + dits[2]; | |
cfce8870 | 328 | gMC->Gsposp("ISUP", i+1, "ITSV", 0., 0., zpos, 0, "ONLY", dits, 3); |
329 | gMC->Gsposp("ISUP", i+7, "ITSV", 0., 0.,-zpos, 0, "ONLY", dits, 3); | |
fe4da5cc | 330 | } |
331 | ||
332 | // CABLES (HORIZONTAL) | |
333 | ||
cfce8870 | 334 | gMC->Gsvolu("ICHO", "TUBE", idtmed[278], dits, 0); |
fe4da5cc | 335 | for (i = 0; i < 6; ++i) { |
336 | dits[0] = rl[i]; | |
337 | dits[1] = dits[0] + drca; | |
338 | dits[2] = (rzcone + TMath::Tan(acone) * (rl[i] - rl[0]) - (dzl[i]+ dzb[i] + drsu)) / 2.; | |
339 | zpos = dzl[i] + dzb[i] + drsu + dits[2]; | |
cfce8870 | 340 | gMC->Gsposp("ICHO", i+1, "ITSV", 0., 0., zpos, 0, "ONLY", dits, 3); |
341 | gMC->Gsposp("ICHO", i+7, "ITSV", 0., 0.,-zpos, 0, "ONLY", dits, 3); | |
fe4da5cc | 342 | } |
343 | // DEFINE A CONICAL GHOST VOLUME FOR THE PHI SEGMENTATION | |
344 | pcits[0] = 0.; | |
345 | pcits[1] = 360.; | |
346 | pcits[2] = 2.; | |
347 | pcits[3] = rzcone; | |
348 | pcits[4] = 3.5; | |
349 | pcits[5] = rl[0]; | |
350 | pcits[6] = pcits[3] + TMath::Tan(acone) * (rlim - rl[0]); | |
351 | pcits[7] = rlim - rl[0] + 3.5; | |
352 | pcits[8] = rlim; | |
cfce8870 | 353 | gMC->Gsvolu("ICMO", "PCON", idtmed[275], pcits, 9); |
fe4da5cc | 354 | AliMatrix(idrotm[200], 90., 0., 90., 90., 180., 0.); |
cfce8870 | 355 | gMC->Gspos("ICMO", 1, "ITSV", 0., 0., 0., 0, "ONLY"); |
356 | gMC->Gspos("ICMO", 2, "ITSV", 0., 0., 0., idrotm[200], "ONLY"); | |
fe4da5cc | 357 | |
358 | // DIVIDE INTO NSEC PHI-SECTIONS | |
359 | ||
cfce8870 | 360 | gMC->Gsdvn("ICMD", "ICMO", nsec, 2); |
361 | gMC->Gsatt("ICMO", "SEEN", 0); | |
362 | gMC->Gsatt("ICMD", "SEEN", 0); | |
fe4da5cc | 363 | |
364 | // CONICAL CABLES | |
365 | ||
366 | pcits[2] = 2.; | |
cfce8870 | 367 | gMC->Gsvolu("ICCO", "PCON", idtmed[278], pcits, 0); |
fe4da5cc | 368 | for (i = 1; i < 6; ++i) { |
369 | pcits[0] = -dphi[i] / 2.; | |
370 | pcits[1] = dphi[i]; | |
371 | if (i < 5) { | |
372 | dzco = TMath::Tan(acone) * (rl[i] - rl[i-1]); | |
373 | } else { | |
374 | dzco1 = zmax - (rzcone + TMath::Tan(acone) * (rl[5] - rl[0])) -2.; | |
375 | dzco2 = (rlim - rl[5]) * TMath::Tan(acone); | |
376 | if (rl[5] + dzco1 / TMath::Tan(acone) < rlim) { | |
377 | dzco = dzco1; | |
378 | } else { | |
379 | dzco = dzco2; | |
380 | } | |
381 | } | |
382 | pcits[3] = rzcone + TMath::Tan(acone) * (rl[i] - rl[0]); | |
383 | pcits[4] = rl[i] - drcac[i] / TMath::Sin(acone); | |
384 | pcits[5] = rl[i]; | |
385 | pcits[6] = pcits[3] + dzco; | |
386 | pcits[7] = rl[i] + dzco / TMath::Tan(acone) - drcac[i] / TMath::Sin(acone); | |
387 | pcits[8] = rl[i] + dzco / TMath::Tan(acone); | |
388 | ||
cfce8870 | 389 | gMC->Gsposp("ICCO", i, "ICMD", 0., 0., 0., 0, "ONLY", pcits, 9); |
fe4da5cc | 390 | |
391 | } | |
392 | zend = pcits[6]; | |
393 | rend = pcits[8]; | |
394 | ||
395 | // CONICAL CABLES BELOW TPC | |
396 | ||
397 | // DEFINE A CONICAL GHOST VOLUME FOR THE PHI SEGMENTATION | |
398 | pcits[0] = 0.; | |
399 | pcits[1] = 360.; | |
400 | pcits[2] = 2.; | |
401 | pcits[3] = zend; | |
402 | pcits[5] = rend; | |
403 | pcits[4] = pcits[5] - drca_tpc; | |
404 | pcits[6] = xltpc; | |
405 | pcits[8] = pcits[4] + (pcits[6] - pcits[3]) * TMath::Tan(acable * kDegrad); | |
406 | pcits[7] = pcits[8] - drca_tpc; | |
407 | AliMatrix(idrotm[200], 90., 0., 90., 90., 180., 0.); | |
cfce8870 | 408 | gMC->Gsvolu("ICCM", "PCON", idtmed[275], pcits, 9); |
409 | gMC->Gspos("ICCM", 1, "ALIC", 0., 0., 0., 0, "ONLY"); | |
410 | gMC->Gspos("ICCM", 2, "ALIC", 0., 0., 0., idrotm[200], "ONLY"); | |
411 | gMC->Gsdvn("ITMD", "ICCM", nsec, 2); | |
412 | gMC->Gsatt("ITMD", "SEEN", 0); | |
413 | gMC->Gsatt("ICCM", "SEEN", 0); | |
fe4da5cc | 414 | |
415 | // NOW PLACE SEGMENTS WITH DECREASING PHI SEGMENTS INTO THE | |
416 | // GHOST-VOLUME | |
417 | ||
418 | pcits[2] = 2.; | |
cfce8870 | 419 | gMC->Gsvolu("ITTT", "PCON", idtmed[278], pcits, 0); |
fe4da5cc | 420 | r0 = rend; |
421 | z0 = zend; | |
422 | dz = (xltpc - zend) / 9.; | |
423 | for (i = 0; i < 9; ++i) { | |
424 | zi = z0 + i* dz + dz / 2.; | |
425 | ri = r0 + (zi - z0) * TMath::Tan(acable * kDegrad); | |
426 | dphii = dphi[5] * r0 / ri; | |
427 | pcits[0] = -dphii / 2.; | |
428 | pcits[1] = dphii; | |
429 | pcits[3] = zi - dz / 2.; | |
430 | pcits[5] = r0 + (pcits[3] - z0) * TMath::Tan(acable * kDegrad); | |
431 | pcits[4] = pcits[5] - drca_tpc; | |
432 | pcits[6] = zi + dz / 2.; | |
433 | pcits[8] = r0 + (pcits[6] - z0) * TMath::Tan(acable * kDegrad); | |
434 | pcits[7] = pcits[8] - drca_tpc; | |
435 | ||
cfce8870 | 436 | gMC->Gsposp("ITTT", i+1, "ITMD", 0., 0., 0., 0, "ONLY", pcits, 9); |
fe4da5cc | 437 | } |
438 | ||
439 | // --- Outputs the geometry tree in the EUCLID/CAD format | |
440 | ||
441 | if (fEuclidOut) { | |
cfce8870 | 442 | gMC->WriteEuclid("ITSgeometry", "ITSV", 1, 5); |
fe4da5cc | 443 | } |
444 | } | |
445 | ||
446 | //_____________________________________________________________________________ | |
2cb30c3a | 447 | void AliITSv0::DrawModule() |
fe4da5cc | 448 | { |
449 | // | |
450 | // Draw a shaded view of the FMD version 1 | |
451 | // | |
452 | ||
fe4da5cc | 453 | |
454 | // Set everything unseen | |
cfce8870 | 455 | gMC->Gsatt("*", "seen", -1); |
fe4da5cc | 456 | // |
457 | // Set ALIC mother visible | |
cfce8870 | 458 | gMC->Gsatt("ALIC","SEEN",0); |
fe4da5cc | 459 | // |
460 | // Set the volumes visible | |
cfce8870 | 461 | gMC->Gsatt("ITSV","SEEN",0); |
462 | gMC->Gsatt("ITS1","SEEN",1); | |
463 | gMC->Gsatt("ITS2","SEEN",1); | |
464 | gMC->Gsatt("ITS3","SEEN",1); | |
465 | gMC->Gsatt("ITS4","SEEN",1); | |
466 | gMC->Gsatt("ITS5","SEEN",1); | |
467 | gMC->Gsatt("ITS6","SEEN",1); | |
468 | gMC->Gsatt("ISI2","SEEN",1); | |
469 | gMC->Gsatt("IPLA","SEEN",1); | |
470 | gMC->Gsatt("ICHO","SEEN",1); | |
471 | gMC->Gsatt("ICMO","SEEN",0); | |
472 | gMC->Gsatt("ICMD","SEEN",0); | |
473 | gMC->Gsatt("ICCO","SEEN",1); | |
474 | gMC->Gsatt("ICCM","SEEN",0); | |
475 | gMC->Gsatt("ITMD","SEEN",0); | |
476 | gMC->Gsatt("ITTT","SEEN",1); | |
fe4da5cc | 477 | // |
cfce8870 | 478 | gMC->Gdopt("hide", "on"); |
479 | gMC->Gdopt("shad", "on"); | |
480 | gMC->Gsatt("*", "fill", 7); | |
481 | gMC->SetClipBox("."); | |
482 | gMC->SetClipBox("*", 0, 300, -300, 300, -300, 300); | |
483 | gMC->DefaultRange(); | |
484 | gMC->Gdraw("alic", 40, 30, 0, 11, 10, .05, .05); | |
485 | gMC->Gdhead(1111, "Inner Tracking System Version 0"); | |
486 | gMC->Gdman(16, 6, "MAN"); | |
fe4da5cc | 487 | } |
488 | ||
489 | //_____________________________________________________________________________ | |
490 | void AliITSv0::StepManager() | |
491 | { | |
492 | // | |
493 | // Called at every step in the ITS | |
494 | // | |
495 | Int_t copy, id; | |
496 | Float_t hits[7]; | |
497 | Int_t vol[3]; | |
0a6d8768 | 498 | TLorentzVector position; |
499 | TLorentzVector momentum; | |
fe4da5cc | 500 | TClonesArray &lhits = *fHits; |
fe4da5cc | 501 | // |
cfce8870 | 502 | if(gMC->TrackCharge() && gMC->Edep()) { |
fe4da5cc | 503 | // |
504 | // Only entering charged tracks | |
0a6d8768 | 505 | if((id=gMC->CurrentVolID(copy))==fIdSens1) { |
fe4da5cc | 506 | vol[0]=1; |
0a6d8768 | 507 | id=gMC->CurrentVolOffID(1,copy); |
fe4da5cc | 508 | vol[1]=copy; |
0a6d8768 | 509 | id=gMC->CurrentVolOffID(2,copy); |
fe4da5cc | 510 | vol[2]=copy; |
511 | } else if(id==fIdSens2) { | |
512 | vol[0]=2; | |
0a6d8768 | 513 | id=gMC->CurrentVolOffID(1,copy); |
fe4da5cc | 514 | vol[1]=copy; |
0a6d8768 | 515 | id=gMC->CurrentVolOffID(2,copy); |
fe4da5cc | 516 | vol[2]=copy; |
517 | } else if(id==fIdSens3) { | |
518 | vol[0]=3; | |
519 | vol[1]=copy; | |
0a6d8768 | 520 | id=gMC->CurrentVolOffID(1,copy); |
fe4da5cc | 521 | vol[2]=copy; |
522 | } else if(id==fIdSens4) { | |
523 | vol[0]=4; | |
524 | vol[1]=copy; | |
0a6d8768 | 525 | id=gMC->CurrentVolOffID(1,copy); |
fe4da5cc | 526 | vol[2]=copy; |
527 | } else if(id==fIdSens5) { | |
528 | vol[0]=5; | |
529 | vol[1]=copy; | |
0a6d8768 | 530 | id=gMC->CurrentVolOffID(1,copy); |
fe4da5cc | 531 | vol[2]=copy; |
532 | } else if(id==fIdSens6) { | |
533 | vol[0]=6; | |
534 | vol[1]=copy; | |
0a6d8768 | 535 | id=gMC->CurrentVolOffID(1,copy); |
fe4da5cc | 536 | vol[2]=copy; |
537 | } else return; | |
cfce8870 | 538 | gMC->TrackPosition(position); |
539 | gMC->TrackMomentum(momentum); | |
fe4da5cc | 540 | hits[0]=position[0]; |
541 | hits[1]=position[1]; | |
542 | hits[2]=position[2]; | |
0a6d8768 | 543 | hits[3]=momentum[0]; |
544 | hits[4]=momentum[1]; | |
545 | hits[5]=momentum[2]; | |
cfce8870 | 546 | hits[6]=gMC->Edep(); |
fe4da5cc | 547 | new(lhits[fNhits++]) AliITShit(fIshunt,gAlice->CurrentTrack(),vol,hits); |
548 | } | |
549 | } |