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