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30178c30 | 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 | ||
d1cd2474 | 16 | // $Id$ |
17 | // | |
18 | // Class AliMUONSt2GeometryBuilder | |
19 | // ------------------------------- | |
5f1df83a | 20 | // MUON Station2 coarse geometry construction class. |
21 | // Extracted from AliMUONv1 | |
22 | // by Ivana Hrivnacova, IPN Orsay | |
23 | // Included in AliRoot 2004/01/23 | |
d1cd2474 | 24 | |
25 | #include <TVirtualMC.h> | |
26 | #include <TGeoMatrix.h> | |
27 | ||
e118b27e | 28 | #include "AliLog.h" |
29 | ||
d1cd2474 | 30 | #include "AliMUONSt2GeometryBuilder.h" |
31 | #include "AliMUON.h" | |
32 | #include "AliMUONChamber.h" | |
e118b27e | 33 | #include "AliMUONGeometryModule.h" |
a432117a | 34 | #include "AliMUONGeometryEnvelopeStore.h" |
d1cd2474 | 35 | |
36 | ClassImp(AliMUONSt2GeometryBuilder) | |
37 | ||
38 | //______________________________________________________________________________ | |
39 | AliMUONSt2GeometryBuilder::AliMUONSt2GeometryBuilder(AliMUON* muon) | |
a432117a | 40 | : AliMUONVGeometryBuilder("st2.dat", |
e118b27e | 41 | muon->Chamber(2).GetGeometry(), |
42 | muon->Chamber(3).GetGeometry()), | |
d1cd2474 | 43 | fMUON(muon) |
44 | { | |
45 | // Standard constructor | |
46 | ||
47 | } | |
48 | ||
49 | //______________________________________________________________________________ | |
50 | AliMUONSt2GeometryBuilder::AliMUONSt2GeometryBuilder() | |
51 | : AliMUONVGeometryBuilder(), | |
52 | fMUON(0) | |
53 | { | |
54 | // Default constructor | |
55 | } | |
56 | ||
57 | ||
58 | //______________________________________________________________________________ | |
59 | AliMUONSt2GeometryBuilder::AliMUONSt2GeometryBuilder(const AliMUONSt2GeometryBuilder& rhs) | |
60 | : AliMUONVGeometryBuilder(rhs) | |
61 | { | |
30178c30 | 62 | // Protected copy constructor |
63 | ||
8c343c7c | 64 | AliFatal("Copy constructor is not implemented."); |
d1cd2474 | 65 | } |
66 | ||
67 | //______________________________________________________________________________ | |
68 | AliMUONSt2GeometryBuilder::~AliMUONSt2GeometryBuilder() { | |
69 | // | |
70 | } | |
71 | ||
72 | //______________________________________________________________________________ | |
73 | AliMUONSt2GeometryBuilder& | |
74 | AliMUONSt2GeometryBuilder::operator = (const AliMUONSt2GeometryBuilder& rhs) | |
75 | { | |
30178c30 | 76 | // Protected assignement operator |
77 | ||
d1cd2474 | 78 | // check assignement to self |
79 | if (this == &rhs) return *this; | |
80 | ||
8c343c7c | 81 | AliFatal("Assignment operator is not implemented."); |
d1cd2474 | 82 | |
83 | return *this; | |
84 | } | |
85 | ||
86 | // | |
87 | // public methods | |
88 | // | |
89 | ||
90 | //______________________________________________________________________________ | |
91 | void AliMUONSt2GeometryBuilder::CreateGeometry() | |
92 | { | |
93 | // From AliMUONv1::CreateGeometry() | |
94 | ||
95 | // | |
96 | //******************************************************************** | |
97 | // Station 2 ** | |
98 | //******************************************************************** | |
99 | // indices 1 and 2 for first and second chambers in the station | |
100 | // iChamber (first chamber) kept for other quanties than Z, | |
101 | // assumed to be the same in both chambers | |
102 | ||
103 | // Get tracking medias Ids | |
104 | Int_t *idtmed = fMUON->GetIdtmed()->GetArray()-1099; | |
105 | Int_t idAir= idtmed[1100]; // medium 1 | |
106 | Int_t idAlu1=idtmed[1103]; // medium 4 | |
107 | Int_t idAlu2=idtmed[1104]; // medium 5 | |
108 | Int_t idGas=idtmed[1108]; // medium 9 = Ar-CO2 gas (80%+20%) | |
109 | Bool_t frameCrosses=kTRUE; | |
110 | ||
111 | // Rotation matrices in the x-y plane | |
112 | // phi= 0 deg | |
113 | Int_t irot1; | |
114 | fMUON->AliMatrix(irot1, 90., 0., 90., 90., 0., 0.); | |
115 | // phi= 90 deg | |
116 | Int_t irot2; | |
117 | fMUON->AliMatrix(irot2, 90., 90., 90., 180., 0., 0.); | |
118 | ||
e118b27e | 119 | AliMUONChamber* iChamber = &fMUON->Chamber(2); |
d1cd2474 | 120 | AliMUONChamber* iChamber1 = iChamber; |
e118b27e | 121 | AliMUONChamber* iChamber2 = &fMUON->Chamber(3); |
d1cd2474 | 122 | |
123 | // Half of the total thickness of frame crosses (including DAlu) | |
124 | // for each chamber in stations 1 and 2: | |
125 | // 3% of X0 of composite material, | |
126 | // but taken as Aluminium here, with same thickness in number of X0 | |
127 | Float_t dframez = 3. * 8.9 / 100; | |
128 | // DGas and DAlu not changed from standard values | |
129 | Double_t zfpos=-(iChamber->DGas()+dframez+iChamber->DAlu())/2; | |
130 | // The same parameters are defined in builder for station 1 | |
131 | ||
132 | // Mother volume | |
133 | // Outer excess and inner recess for mother volume radius | |
134 | // with respect to ROuter and RInner | |
135 | Float_t dframep=.001; // Value for station 3 should be 6 ... | |
136 | // Width (RdPhi) of the frame crosses for stations 1 and 2 (cm) | |
137 | // Float_t dframep1=.001; | |
138 | Float_t phi=2*TMath::Pi()/12/2; | |
139 | // The same parameters are defined in builder for station 1 | |
140 | ||
141 | Float_t tpar[3]; | |
142 | Double_t dstation = (-iChamber2->Z()) - (-iChamber1->Z()); | |
143 | tpar[0] = iChamber->RInner()-dframep; | |
144 | tpar[1] = (iChamber->ROuter()+dframep)/TMath::Cos(phi); | |
145 | tpar[2] = dstation/5; | |
146 | ||
147 | gMC->Gsvolu("S03M", "TUBE", idAir, tpar, 3); | |
148 | gMC->Gsvolu("S04M", "TUBE", idAir, tpar, 3); | |
149 | ||
150 | // CHANGED | |
151 | //gMC->Gspos("S03M", 1, "ALIC", 0., 0., zpos1 , 0, "ONLY"); | |
152 | //gMC->Gspos("S04M", 1, "ALIC", 0., 0., zpos2 , 0, "ONLY"); | |
a432117a | 153 | |
154 | GetEnvelopes(2)->AddEnvelope("S03M", 300, false); | |
155 | GetEnvelopes(3)->AddEnvelope("S04M", 400, false); | |
d1cd2474 | 156 | |
157 | gMC->Gsbool("S03M", "L3DO"); | |
158 | gMC->Gsbool("S03M", "L3O1"); | |
159 | gMC->Gsbool("S03M", "L3O2"); | |
160 | gMC->Gsbool("S04M", "L3DO"); | |
161 | gMC->Gsbool("S04M", "L3O1"); | |
162 | gMC->Gsbool("S04M", "L3O2"); | |
163 | ||
164 | // // Aluminium frames | |
165 | // // Outer frames | |
166 | // pgpar[0] = 360/12/2; | |
167 | // pgpar[1] = 360.; | |
168 | // pgpar[2] = 12.; | |
169 | // pgpar[3] = 2; | |
170 | // pgpar[4] = -dframez/2; | |
171 | // pgpar[5] = iChamber->ROuter(); | |
172 | // pgpar[6] = pgpar[5]+dframep; | |
173 | // pgpar[7] = +dframez/2; | |
174 | // pgpar[8] = pgpar[5]; | |
175 | // pgpar[9] = pgpar[6]; | |
176 | // gMC->Gsvolu("S03O", "PGON", idAlu1, pgpar, 10); | |
177 | // gMC->Gsvolu("S04O", "PGON", idAlu1, pgpar, 10); | |
178 | // gMC->Gspos("S03O",1,"S03M", 0.,0.,-zfpos, 0,"ONLY"); | |
179 | // gMC->Gspos("S03O",2,"S03M", 0.,0.,+zfpos, 0,"ONLY"); | |
180 | // gMC->Gspos("S04O",1,"S04M", 0.,0.,-zfpos, 0,"ONLY"); | |
181 | // gMC->Gspos("S04O",2,"S04M", 0.,0.,+zfpos, 0,"ONLY"); | |
182 | // // | |
183 | // // Inner frame | |
184 | // tpar[0]= iChamber->RInner()-dframep; | |
185 | // tpar[1]= iChamber->RInner(); | |
186 | // tpar[2]= dframez/2; | |
187 | // gMC->Gsvolu("S03I", "TUBE", idAlu1, tpar, 3); | |
188 | // gMC->Gsvolu("S04I", "TUBE", idAlu1, tpar, 3); | |
189 | ||
190 | // gMC->Gspos("S03I",1,"S03M", 0.,0.,-zfpos, 0,"ONLY"); | |
191 | // gMC->Gspos("S03I",2,"S03M", 0.,0.,+zfpos, 0,"ONLY"); | |
192 | // gMC->Gspos("S04I",1,"S04M", 0.,0.,-zfpos, 0,"ONLY"); | |
193 | // gMC->Gspos("S04I",2,"S04M", 0.,0.,+zfpos, 0,"ONLY"); | |
194 | // | |
195 | // Frame Crosses | |
196 | if (frameCrosses) { | |
197 | // outside gas | |
198 | // security for inside mother volume | |
199 | ||
200 | // ADDED !! Repeated | |
201 | Float_t dframep1 = 11.0; | |
202 | Float_t dframez = 3. * 8.9 / 100; | |
203 | ||
204 | Float_t bpar[3]; | |
205 | bpar[0] = (iChamber->ROuter() - iChamber->RInner()) | |
206 | * TMath::Cos(TMath::ASin(dframep1 / | |
207 | (iChamber->ROuter() - iChamber->RInner()))) | |
208 | / 2.0; | |
209 | bpar[1] = dframep1/2; | |
210 | // total thickness will be (4 * bpar[2]) for each chamber, | |
211 | // which has to be equal to (2 * dframez) - DAlu | |
212 | bpar[2] = (2.0 * dframez - iChamber->DAlu()) / 4.0; | |
213 | gMC->Gsvolu("S03B", "BOX", idAlu1, bpar, 3); | |
214 | gMC->Gsvolu("S04B", "BOX", idAlu1, bpar, 3); | |
215 | ||
216 | gMC->Gspos("S03B",1,"S03M", +iChamber->RInner()+bpar[0] , 0,-zfpos, | |
217 | irot1,"ONLY"); | |
218 | gMC->Gspos("S03B",2,"S03M", -iChamber->RInner()-bpar[0] , 0,-zfpos, | |
219 | irot1,"ONLY"); | |
220 | gMC->Gspos("S03B",3,"S03M", 0, +iChamber->RInner()+bpar[0] ,-zfpos, | |
221 | irot2,"ONLY"); | |
222 | gMC->Gspos("S03B",4,"S03M", 0, -iChamber->RInner()-bpar[0] ,-zfpos, | |
223 | irot2,"ONLY"); | |
224 | gMC->Gspos("S03B",5,"S03M", +iChamber->RInner()+bpar[0] , 0,+zfpos, | |
225 | irot1,"ONLY"); | |
226 | gMC->Gspos("S03B",6,"S03M", -iChamber->RInner()-bpar[0] , 0,+zfpos, | |
227 | irot1,"ONLY"); | |
228 | gMC->Gspos("S03B",7,"S03M", 0, +iChamber->RInner()+bpar[0] ,+zfpos, | |
229 | irot2,"ONLY"); | |
230 | gMC->Gspos("S03B",8,"S03M", 0, -iChamber->RInner()-bpar[0] ,+zfpos, | |
231 | irot2,"ONLY"); | |
232 | ||
233 | gMC->Gspos("S04B",1,"S04M", +iChamber->RInner()+bpar[0] , 0,-zfpos, | |
234 | irot1,"ONLY"); | |
235 | gMC->Gspos("S04B",2,"S04M", -iChamber->RInner()-bpar[0] , 0,-zfpos, | |
236 | irot1,"ONLY"); | |
237 | gMC->Gspos("S04B",3,"S04M", 0, +iChamber->RInner()+bpar[0] ,-zfpos, | |
238 | irot2,"ONLY"); | |
239 | gMC->Gspos("S04B",4,"S04M", 0, -iChamber->RInner()-bpar[0] ,-zfpos, | |
240 | irot2,"ONLY"); | |
241 | gMC->Gspos("S04B",5,"S04M", +iChamber->RInner()+bpar[0] , 0,+zfpos, | |
242 | irot1,"ONLY"); | |
243 | gMC->Gspos("S04B",6,"S04M", -iChamber->RInner()-bpar[0] , 0,+zfpos, | |
244 | irot1,"ONLY"); | |
245 | gMC->Gspos("S04B",7,"S04M", 0, +iChamber->RInner()+bpar[0] ,+zfpos, | |
246 | irot2,"ONLY"); | |
247 | gMC->Gspos("S04B",8,"S04M", 0, -iChamber->RInner()-bpar[0] ,+zfpos, | |
248 | irot2,"ONLY"); | |
249 | } | |
250 | // | |
251 | // Chamber Material represented by Alu sheet | |
252 | tpar[0]= iChamber->RInner(); | |
253 | tpar[1]= iChamber->ROuter(); | |
254 | tpar[2] = (iChamber->DGas()+iChamber->DAlu())/2; | |
255 | gMC->Gsvolu("S03A", "TUBE", idAlu2, tpar, 3); | |
256 | gMC->Gsvolu("S04A", "TUBE", idAlu2, tpar, 3); | |
257 | gMC->Gspos("S03A", 1, "S03M", 0., 0., 0., 0, "ONLY"); | |
258 | gMC->Gspos("S04A", 1, "S04M", 0., 0., 0., 0, "ONLY"); | |
259 | // | |
260 | // Sensitive volumes | |
261 | // tpar[2] = iChamber->DGas(); | |
262 | tpar[2] = iChamber->DGas()/2; | |
263 | gMC->Gsvolu("S03G", "TUBE", idGas, tpar, 3); | |
264 | gMC->Gsvolu("S04G", "TUBE", idGas, tpar, 3); | |
265 | gMC->Gspos("S03G", 1, "S03A", 0., 0., 0., 0, "ONLY"); | |
266 | gMC->Gspos("S04G", 1, "S04A", 0., 0., 0., 0, "ONLY"); | |
267 | // | |
268 | // Frame Crosses to be placed inside gas | |
269 | // NONE: chambers are sensitive everywhere | |
270 | // if (frameCrosses) { | |
271 | ||
272 | // dr = (iChamber->ROuter() - iChamber->RInner()); | |
273 | // bpar[0] = TMath::Sqrt(dr*dr-dframep1*dframep1/4)/2; | |
274 | // bpar[1] = dframep1/2; | |
275 | // bpar[2] = iChamber->DGas()/2; | |
276 | // gMC->Gsvolu("S03F", "BOX", idAlu1, bpar, 3); | |
277 | // gMC->Gsvolu("S04F", "BOX", idAlu1, bpar, 3); | |
278 | ||
279 | // gMC->Gspos("S03F",1,"S03G", +iChamber->RInner()+bpar[0] , 0, 0, | |
280 | // irot1,"ONLY"); | |
281 | // gMC->Gspos("S03F",2,"S03G", -iChamber->RInner()-bpar[0] , 0, 0, | |
282 | // irot1,"ONLY"); | |
283 | // gMC->Gspos("S03F",3,"S03G", 0, +iChamber->RInner()+bpar[0] , 0, | |
284 | // irot2,"ONLY"); | |
285 | // gMC->Gspos("S03F",4,"S03G", 0, -iChamber->RInner()-bpar[0] , 0, | |
286 | // irot2,"ONLY"); | |
287 | ||
288 | // gMC->Gspos("S04F",1,"S04G", +iChamber->RInner()+bpar[0] , 0, 0, | |
289 | // irot1,"ONLY"); | |
290 | // gMC->Gspos("S04F",2,"S04G", -iChamber->RInner()-bpar[0] , 0, 0, | |
291 | // irot1,"ONLY"); | |
292 | // gMC->Gspos("S04F",3,"S04G", 0, +iChamber->RInner()+bpar[0] , 0, | |
293 | // irot2,"ONLY"); | |
294 | // gMC->Gspos("S04F",4,"S04G", 0, -iChamber->RInner()-bpar[0] , 0, | |
295 | // irot2,"ONLY"); | |
296 | // } | |
297 | /* | |
298 | iChamber1 = iChamber = (AliMUONChamber*) (*fChambers)[2]; | |
299 | iChamber2 =(AliMUONChamber*) (*fChambers)[3]; | |
300 | zpos1=iChamber1->Z(); | |
301 | zpos2=iChamber2->Z(); | |
302 | dstation = zpos2 - zpos1; | |
303 | // DGas and DAlu not changed from standard values | |
304 | zfpos=-(iChamber->DGas()+dframez+iChamber->DAlu())/2; | |
305 | ||
306 | // | |
307 | // Mother volume | |
308 | tpar[0] = iChamber->RInner()-dframep; | |
309 | tpar[1] = (iChamber->ROuter()+dframep)/TMath::Cos(phi); | |
310 | tpar[2] = dstation/5; | |
311 | ||
312 | gMC->Gsvolu("S03M", "TUBE", idAir, tpar, 3); | |
313 | gMC->Gsvolu("S04M", "TUBE", idAir, tpar, 3); | |
314 | gMC->Gspos("S03M", 1, "ALIC", 0., 0., zpos1 , 0, "ONLY"); | |
315 | gMC->Gspos("S04M", 1, "ALIC", 0., 0., zpos2 , 0, "ONLY"); | |
316 | gMC->Gsbool("S03M", "L3DO"); | |
317 | gMC->Gsbool("S03M", "L3O1"); | |
318 | gMC->Gsbool("S03M", "L3O2"); | |
319 | gMC->Gsbool("S04M", "L3DO"); | |
320 | gMC->Gsbool("S04M", "L3O1"); | |
321 | gMC->Gsbool("S04M", "L3O2"); | |
322 | ||
323 | // // Aluminium frames | |
324 | // // Outer frames | |
325 | // pgpar[0] = 360/12/2; | |
326 | // pgpar[1] = 360.; | |
327 | // pgpar[2] = 12.; | |
328 | // pgpar[3] = 2; | |
329 | // pgpar[4] = -dframez/2; | |
330 | // pgpar[5] = iChamber->ROuter(); | |
331 | // pgpar[6] = pgpar[5]+dframep; | |
332 | // pgpar[7] = +dframez/2; | |
333 | // pgpar[8] = pgpar[5]; | |
334 | // pgpar[9] = pgpar[6]; | |
335 | // gMC->Gsvolu("S03O", "PGON", idAlu1, pgpar, 10); | |
336 | // gMC->Gsvolu("S04O", "PGON", idAlu1, pgpar, 10); | |
337 | // gMC->Gspos("S03O",1,"S03M", 0.,0.,-zfpos, 0,"ONLY"); | |
338 | // gMC->Gspos("S03O",2,"S03M", 0.,0.,+zfpos, 0,"ONLY"); | |
339 | // gMC->Gspos("S04O",1,"S04M", 0.,0.,-zfpos, 0,"ONLY"); | |
340 | // gMC->Gspos("S04O",2,"S04M", 0.,0.,+zfpos, 0,"ONLY"); | |
341 | // // | |
342 | // // Inner frame | |
343 | // tpar[0]= iChamber->RInner()-dframep; | |
344 | // tpar[1]= iChamber->RInner(); | |
345 | // tpar[2]= dframez/2; | |
346 | // gMC->Gsvolu("S03I", "TUBE", idAlu1, tpar, 3); | |
347 | // gMC->Gsvolu("S04I", "TUBE", idAlu1, tpar, 3); | |
348 | ||
349 | // gMC->Gspos("S03I",1,"S03M", 0.,0.,-zfpos, 0,"ONLY"); | |
350 | // gMC->Gspos("S03I",2,"S03M", 0.,0.,+zfpos, 0,"ONLY"); | |
351 | // gMC->Gspos("S04I",1,"S04M", 0.,0.,-zfpos, 0,"ONLY"); | |
352 | // gMC->Gspos("S04I",2,"S04M", 0.,0.,+zfpos, 0,"ONLY"); | |
353 | // | |
354 | // Frame Crosses | |
355 | if (frameCrosses) { | |
356 | // outside gas | |
357 | // security for inside mother volume | |
358 | bpar[0] = (iChamber->ROuter() - iChamber->RInner()) | |
359 | * TMath::Cos(TMath::ASin(dframep1 / | |
360 | (iChamber->ROuter() - iChamber->RInner()))) | |
361 | / 2.0; | |
362 | bpar[1] = dframep1/2; | |
363 | // total thickness will be (4 * bpar[2]) for each chamber, | |
364 | // which has to be equal to (2 * dframez) - DAlu | |
365 | bpar[2] = (2.0 * dframez - iChamber->DAlu()) / 4.0; | |
366 | gMC->Gsvolu("S03B", "BOX", idAlu1, bpar, 3); | |
367 | gMC->Gsvolu("S04B", "BOX", idAlu1, bpar, 3); | |
368 | ||
369 | gMC->Gspos("S03B",1,"S03M", +iChamber->RInner()+bpar[0] , 0,-zfpos, | |
370 | irot1,"ONLY"); | |
371 | gMC->Gspos("S03B",2,"S03M", -iChamber->RInner()-bpar[0] , 0,-zfpos, | |
372 | irot1,"ONLY"); | |
373 | gMC->Gspos("S03B",3,"S03M", 0, +iChamber->RInner()+bpar[0] ,-zfpos, | |
374 | irot2,"ONLY"); | |
375 | gMC->Gspos("S03B",4,"S03M", 0, -iChamber->RInner()-bpar[0] ,-zfpos, | |
376 | irot2,"ONLY"); | |
377 | gMC->Gspos("S03B",5,"S03M", +iChamber->RInner()+bpar[0] , 0,+zfpos, | |
378 | irot1,"ONLY"); | |
379 | gMC->Gspos("S03B",6,"S03M", -iChamber->RInner()-bpar[0] , 0,+zfpos, | |
380 | irot1,"ONLY"); | |
381 | gMC->Gspos("S03B",7,"S03M", 0, +iChamber->RInner()+bpar[0] ,+zfpos, | |
382 | irot2,"ONLY"); | |
383 | gMC->Gspos("S03B",8,"S03M", 0, -iChamber->RInner()-bpar[0] ,+zfpos, | |
384 | irot2,"ONLY"); | |
385 | ||
386 | gMC->Gspos("S04B",1,"S04M", +iChamber->RInner()+bpar[0] , 0,-zfpos, | |
387 | irot1,"ONLY"); | |
388 | gMC->Gspos("S04B",2,"S04M", -iChamber->RInner()-bpar[0] , 0,-zfpos, | |
389 | irot1,"ONLY"); | |
390 | gMC->Gspos("S04B",3,"S04M", 0, +iChamber->RInner()+bpar[0] ,-zfpos, | |
391 | irot2,"ONLY"); | |
392 | gMC->Gspos("S04B",4,"S04M", 0, -iChamber->RInner()-bpar[0] ,-zfpos, | |
393 | irot2,"ONLY"); | |
394 | gMC->Gspos("S04B",5,"S04M", +iChamber->RInner()+bpar[0] , 0,+zfpos, | |
395 | irot1,"ONLY"); | |
396 | gMC->Gspos("S04B",6,"S04M", -iChamber->RInner()-bpar[0] , 0,+zfpos, | |
397 | irot1,"ONLY"); | |
398 | gMC->Gspos("S04B",7,"S04M", 0, +iChamber->RInner()+bpar[0] ,+zfpos, | |
399 | irot2,"ONLY"); | |
400 | gMC->Gspos("S04B",8,"S04M", 0, -iChamber->RInner()-bpar[0] ,+zfpos, | |
401 | irot2,"ONLY"); | |
402 | } | |
403 | // | |
404 | // Chamber Material represented by Alu sheet | |
405 | tpar[0]= iChamber->RInner(); | |
406 | tpar[1]= iChamber->ROuter(); | |
407 | tpar[2] = (iChamber->DGas()+iChamber->DAlu())/2; | |
408 | gMC->Gsvolu("S03A", "TUBE", idAlu2, tpar, 3); | |
409 | gMC->Gsvolu("S04A", "TUBE", idAlu2, tpar, 3); | |
410 | gMC->Gspos("S03A", 1, "S03M", 0., 0., 0., 0, "ONLY"); | |
411 | gMC->Gspos("S04A", 1, "S04M", 0., 0., 0., 0, "ONLY"); | |
412 | // | |
413 | // Sensitive volumes | |
414 | // tpar[2] = iChamber->DGas(); | |
415 | tpar[2] = iChamber->DGas()/2; | |
416 | gMC->Gsvolu("S03G", "TUBE", idGas, tpar, 3); | |
417 | gMC->Gsvolu("S04G", "TUBE", idGas, tpar, 3); | |
418 | gMC->Gspos("S03G", 1, "S03A", 0., 0., 0., 0, "ONLY"); | |
419 | gMC->Gspos("S04G", 1, "S04A", 0., 0., 0., 0, "ONLY"); | |
420 | // | |
421 | // Frame Crosses to be placed inside gas | |
422 | // NONE: chambers are sensitive everywhere | |
423 | // if (frameCrosses) { | |
424 | ||
425 | // dr = (iChamber->ROuter() - iChamber->RInner()); | |
426 | // bpar[0] = TMath::Sqrt(dr*dr-dframep1*dframep1/4)/2; | |
427 | // bpar[1] = dframep1/2; | |
428 | // bpar[2] = iChamber->DGas()/2; | |
429 | // gMC->Gsvolu("S03F", "BOX", idAlu1, bpar, 3); | |
430 | // gMC->Gsvolu("S04F", "BOX", idAlu1, bpar, 3); | |
431 | ||
432 | // gMC->Gspos("S03F",1,"S03G", +iChamber->RInner()+bpar[0] , 0, 0, | |
433 | // irot1,"ONLY"); | |
434 | // gMC->Gspos("S03F",2,"S03G", -iChamber->RInner()-bpar[0] , 0, 0, | |
435 | // irot1,"ONLY"); | |
436 | // gMC->Gspos("S03F",3,"S03G", 0, +iChamber->RInner()+bpar[0] , 0, | |
437 | // irot2,"ONLY"); | |
438 | // gMC->Gspos("S03F",4,"S03G", 0, -iChamber->RInner()-bpar[0] , 0, | |
439 | // irot2,"ONLY"); | |
440 | ||
441 | // gMC->Gspos("S04F",1,"S04G", +iChamber->RInner()+bpar[0] , 0, 0, | |
442 | // irot1,"ONLY"); | |
443 | // gMC->Gspos("S04F",2,"S04G", -iChamber->RInner()-bpar[0] , 0, 0, | |
444 | // irot1,"ONLY"); | |
445 | // gMC->Gspos("S04F",3,"S04G", 0, +iChamber->RInner()+bpar[0] , 0, | |
446 | // irot2,"ONLY"); | |
447 | // gMC->Gspos("S04F",4,"S04G", 0, -iChamber->RInner()-bpar[0] , 0, | |
448 | // irot2,"ONLY"); | |
449 | // } | |
450 | } | |
451 | */ | |
452 | } | |
453 | ||
454 | //______________________________________________________________________________ | |
455 | void AliMUONSt2GeometryBuilder::SetTransformations() | |
456 | { | |
457 | // Defines the transformations for the station2 chambers. | |
458 | // --- | |
459 | ||
e118b27e | 460 | AliMUONChamber* iChamber1 = &fMUON->Chamber(2); |
d1cd2474 | 461 | Double_t zpos1 = - iChamber1->Z(); |
462 | iChamber1->GetGeometry() | |
463 | ->SetTranslation(TGeoTranslation(0., 0., zpos1)); | |
464 | ||
e118b27e | 465 | AliMUONChamber* iChamber2 = &fMUON->Chamber(3); |
d1cd2474 | 466 | Double_t zpos2 = - iChamber2->Z(); |
467 | iChamber2->GetGeometry() | |
468 | ->SetTranslation(TGeoTranslation(0., 0., zpos2)); | |
469 | } | |
470 | ||
471 | //______________________________________________________________________________ | |
472 | void AliMUONSt2GeometryBuilder::SetSensitiveVolumes() | |
473 | { | |
474 | // Defines the sensitive volumes for station2 chambers. | |
475 | // --- | |
476 | ||
e118b27e | 477 | GetGeometry(2)->SetSensitiveVolume("S03G"); |
478 | GetGeometry(3)->SetSensitiveVolume("S04G"); | |
d1cd2474 | 479 | } |