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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 AliMUONTriggerGeometryBuilder | |
19 | // ----------------------------------- | |
20 | // MUON Trigger stations geometry construction class. | |
21 | // | |
22 | // Author: Philippe Crochette, LPC Clermont-Ferrand | |
23 | ||
24 | #include <TVirtualMC.h> | |
25 | #include <TGeoMatrix.h> | |
26 | ||
e118b27e | 27 | #include "AliLog.h" |
28 | ||
d1cd2474 | 29 | #include "AliMUONTriggerGeometryBuilder.h" |
30 | #include "AliMUON.h" | |
31 | #include "AliMUONChamber.h" | |
e118b27e | 32 | #include "AliMUONGeometryModule.h" |
a432117a | 33 | #include "AliMUONGeometryEnvelopeStore.h" |
d1cd2474 | 34 | |
35 | ClassImp(AliMUONTriggerGeometryBuilder) | |
36 | ||
37 | //______________________________________________________________________________ | |
38 | AliMUONTriggerGeometryBuilder::AliMUONTriggerGeometryBuilder(AliMUON* muon) | |
a432117a | 39 | : AliMUONVGeometryBuilder("trigger.dat", |
e118b27e | 40 | muon->Chamber(10).GetGeometry(), |
41 | muon->Chamber(11).GetGeometry(), | |
42 | muon->Chamber(12).GetGeometry(), | |
43 | muon->Chamber(13).GetGeometry()), | |
d1cd2474 | 44 | fMUON(muon) |
45 | { | |
46 | // Standard constructor | |
47 | ||
48 | } | |
49 | ||
50 | //______________________________________________________________________________ | |
51 | AliMUONTriggerGeometryBuilder::AliMUONTriggerGeometryBuilder() | |
52 | : AliMUONVGeometryBuilder(), | |
53 | fMUON(0) | |
54 | { | |
55 | // Default constructor | |
56 | } | |
57 | ||
58 | ||
59 | //______________________________________________________________________________ | |
60 | AliMUONTriggerGeometryBuilder::AliMUONTriggerGeometryBuilder(const AliMUONTriggerGeometryBuilder& rhs) | |
61 | : AliMUONVGeometryBuilder(rhs) | |
62 | { | |
30178c30 | 63 | // Protected copy constructor |
64 | ||
8c343c7c | 65 | AliFatal("Copy constructor is not implemented."); |
d1cd2474 | 66 | } |
67 | ||
68 | //______________________________________________________________________________ | |
69 | AliMUONTriggerGeometryBuilder::~AliMUONTriggerGeometryBuilder() { | |
70 | // | |
71 | } | |
72 | ||
73 | //______________________________________________________________________________ | |
74 | AliMUONTriggerGeometryBuilder& | |
75 | AliMUONTriggerGeometryBuilder::operator = (const AliMUONTriggerGeometryBuilder& rhs) | |
76 | { | |
30178c30 | 77 | // Protected assignement operator |
78 | ||
d1cd2474 | 79 | // check assignement to self |
80 | if (this == &rhs) return *this; | |
81 | ||
8c343c7c | 82 | AliFatal("Assignment operator is not implemented."); |
d1cd2474 | 83 | |
84 | return *this; | |
85 | } | |
86 | ||
87 | // | |
88 | // public methods | |
89 | // | |
90 | ||
91 | //______________________________________________________________________________ | |
92 | void AliMUONTriggerGeometryBuilder::CreateGeometry() | |
93 | { | |
94 | // From AliMUONv1::CreateGeometry() | |
95 | ||
96 | /* | |
97 | zpos1 and zpos2 are the middle of the first and second | |
98 | planes of station 1 (+1m for second station): | |
99 | zpos1=(zpos1m+zpos1p)/2=(15999+16071)/2=16035 mm, thick/2=40 mm | |
100 | zpos2=(zpos2m+zpos2p)/2=(16169+16241)/2=16205 mm, thick/2=40 mm | |
101 | zposxm and zposxp= middles of gaz gaps within a detection plane | |
102 | rem: the total thickness accounts for 1 mm of al on both | |
103 | side of the RPCs (see zpos1 and zpos2) | |
104 | */ | |
105 | ||
106 | Int_t *idtmed = fMUON->GetIdtmed()->GetArray()-1099; | |
107 | Int_t idAir= idtmed[1100]; // medium 1 | |
108 | Int_t idAlu1=idtmed[1103]; // medium 4 | |
a432117a | 109 | Int_t detElemId=0; // Detection Element Number |
d1cd2474 | 110 | Float_t tpar[3]; |
111 | Double_t dpar[3]; | |
112 | ||
113 | // vertical gap between right and left chambers (kDXZERO*2=4cm) | |
114 | const Float_t kDXZERO=2.; | |
115 | // main distances for chamber definition in first plane/first station | |
116 | const Float_t kXMIN=34.; | |
117 | const Float_t kXMED=51.; | |
b6a52ffa | 118 | const Float_t kXMAX=255.; |
119 | // 090704 kXMAX changed from 272 to 255. | |
d1cd2474 | 120 | // (see fig.2-4 & 2-5 of Local Trigger Board PRR) |
b6a52ffa | 121 | // segmentation updated accordingly |
d1cd2474 | 122 | const Float_t kYMIN=34.; |
123 | const Float_t kYMAX=51.; | |
124 | // inner/outer radius of flange between beam shield. and chambers (1/station) | |
936e7ca3 | 125 | // const Float_t kRMIN[2]={50.,50.}; |
126 | // const Float_t kRMAX[2]={64.,68.}; | |
d1cd2474 | 127 | // z position of the middle of the gas gap in mother vol |
128 | const Float_t kZm=-3.6; | |
129 | const Float_t kZp=+3.6; | |
130 | ||
131 | AliMUONChamber *iChamber, *iChamber1; | |
e118b27e | 132 | iChamber1 = &fMUON->Chamber(10); |
d1cd2474 | 133 | Float_t zpos1=-iChamber1->Z(); |
134 | ||
135 | // ratio of zpos1m/zpos1p and inverse for first plane | |
136 | Float_t zmp=(zpos1-3.6)/(zpos1+3.6); | |
137 | Float_t zpm=1./zmp; | |
138 | ||
139 | Int_t icount=0; // chamber counter (0 1 2 3) | |
140 | ||
141 | for (Int_t istation=0; istation<2; istation++) { // loop on stations | |
142 | for (Int_t iplane=0; iplane<2; iplane++) { // loop on detection planes | |
143 | ||
144 | Int_t iVolNum=1; // counter Volume Number | |
145 | icount = Int_t(iplane*TMath::Power(2,0))+ | |
146 | Int_t(istation*TMath::Power(2,1)); | |
147 | ||
e118b27e | 148 | iChamber = &fMUON->Chamber(10+icount); |
d1cd2474 | 149 | Float_t zpos = - iChamber->Z(); |
150 | ||
880610c7 | 151 | /* removed 03/18/05 |
d1cd2474 | 152 | // Flange between beam shielding and RPC |
153 | tpar[0]= kRMIN[istation]; | |
154 | tpar[1]= kRMAX[istation]; | |
155 | tpar[2]= 4.0; | |
156 | char volFlange[5]; | |
157 | sprintf(volFlange,"SF%dA",icount+1); | |
158 | gMC->Gsvolu(volFlange,"TUBE",idAlu1,tpar,3); // Al | |
159 | // changed by ivana | |
160 | //gMC->Gspos(volFlange,1,"ALIC",0.,0.,zpos,0,"MANY"); | |
a432117a | 161 | iChamber->GetGeometry()->GetEnvelopeStore() |
162 | ->AddEnvelope(volFlange, 0, false, "MANY"); | |
880610c7 | 163 | */ |
d1cd2474 | 164 | |
165 | // scaling factor | |
166 | Float_t zRatio = zpos / zpos1; | |
167 | ||
168 | // envelopes (same size except line 5, all virtual) | |
169 | char volEnv[18][5]; | |
170 | tpar[1] = kYMIN * zRatio; | |
171 | tpar[2] = 0.4; | |
172 | Int_t i=0; // counter | |
173 | for (Int_t icolumn=0; icolumn<2; icolumn++) { | |
174 | for (Int_t iline=1; iline<10; iline++){ | |
175 | tpar[0] = (kXMAX/2.) * zRatio; | |
176 | if (iline==5) tpar[0] = ((kXMAX-kXMED)/2.)*zRatio; | |
177 | if (icolumn==0) | |
d1cd2474 | 178 | sprintf(volEnv[i],"S%dR%d",icount,iline); |
528abf6f | 179 | else |
180 | sprintf(volEnv[i],"S%dL%d",icount,iline); | |
d1cd2474 | 181 | gMC->Gsvolu(volEnv[i],"BOX",idAir,tpar,0); |
182 | i++; | |
183 | } | |
184 | } | |
185 | ||
186 | // chamber prototype | |
187 | tpar[0]= 0.; | |
188 | tpar[1]= 0.; | |
936e7ca3 | 189 | tpar[2]= 0.; char volAlu[5]; // Alu |
d1cd2474 | 190 | char volBak[5]; // Bakelite |
191 | char volGaz[5]; // Gas streamer | |
192 | sprintf(volAlu,"SC%dA",icount+1); | |
193 | sprintf(volBak,"SB%dA",icount+1); | |
194 | sprintf(volGaz,"SG%dA",icount+1); | |
195 | gMC->Gsvolu(volAlu,"BOX",idAlu1,tpar,0); // Al | |
196 | gMC->Gsvolu(volBak,"BOX",idtmed[1107],tpar,0); // Bakelite | |
197 | gMC->Gsvolu(volGaz,"BOX",idtmed[1106],tpar,0); // Gas streamer | |
198 | tpar[0] = -1.; | |
199 | tpar[1] = -1.; | |
200 | tpar[2] = 0.1; | |
201 | gMC->Gsposp(volGaz,1,volBak,0.,0.,0.,0,"ONLY",tpar,3); | |
202 | tpar[2] = 0.3; | |
203 | gMC->Gsposp(volBak,1,volAlu,0.,0.,0.,0,"ONLY",tpar,3); | |
204 | ||
205 | // chamber type A | |
206 | Float_t xEnv = (kDXZERO+kXMED+(kXMAX-kXMED)/2.)*zRatio; | |
207 | Float_t yEnvM = 0.; // y low position of envelope in chamber | |
208 | Float_t yEnvP = 0.; // y up position of envelope in chamber | |
209 | Float_t yEnvPsave = 0.; // tmp data | |
210 | Float_t yEnvMsave = 0.; // tmp data | |
211 | Float_t xpos = 0.; // x position of RPC in envelope | |
212 | Float_t ypos = 0.; // y position of RPC in envelope | |
213 | dpar[2] = 0.4; | |
214 | dpar[0] = ((kXMAX-kXMED)/2.)*zRatio; | |
215 | dpar[1] = kYMIN * zRatio; | |
216 | ||
a432117a | 217 | detElemId = (10+icount+1)*100+4; |
8bd68448 | 218 | GetEnvelopes(10+icount)->AddEnvelope(volEnv[4], detElemId, true, TGeoTranslation(xEnv,yEnvP,kZp)); |
a432117a | 219 | detElemId = (10+icount+1)*100+50+4; |
8bd68448 | 220 | GetEnvelopes(10+icount)->AddEnvelope(volEnv[13], detElemId, true, TGeoTranslation(-xEnv,yEnvM,kZm),TGeoRotation("rot1",90.,180.,90.,90.,180.,0.)); |
d1cd2474 | 221 | |
a432117a | 222 | GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[4],iVolNum++,3, dpar); |
223 | GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[13],iVolNum++,3, dpar); | |
d1cd2474 | 224 | |
225 | // chamber type B (plus envelope chambers B & C) | |
226 | xEnv = (kDXZERO+kXMAX/2.)*zRatio; | |
227 | yEnvPsave = yEnvP; | |
228 | yEnvMsave = yEnvM; | |
229 | yEnvP = (yEnvMsave + kYMIN * zRatio ) * zpm + kYMIN * zRatio; | |
230 | yEnvM = (yEnvPsave + kYMIN * zRatio ) * zmp + kYMIN * zRatio; | |
231 | dpar[0] = ((kXMAX-kXMIN)/2.) * zRatio; | |
232 | dpar[1] = ((kYMAX-kYMIN)/2.) * zRatio; | |
233 | xpos = kXMIN/2. * zRatio; | |
234 | ypos = (kYMIN - kYMIN/4.) * zRatio; | |
235 | ||
a432117a | 236 | detElemId = (10+icount+1)*100+3; |
8bd68448 | 237 | GetEnvelopes(10+icount)->AddEnvelope(volEnv[3], detElemId, true, TGeoTranslation( xEnv,-yEnvM,kZm)); |
a432117a | 238 | detElemId = (10+icount+1)*100+5; |
8bd68448 | 239 | GetEnvelopes(10+icount)->AddEnvelope(volEnv[5], detElemId, true, TGeoTranslation( xEnv, yEnvM,kZm)); |
a432117a | 240 | detElemId = (10+icount+1)*100+50+3; |
8bd68448 | 241 | GetEnvelopes(10+icount)->AddEnvelope(volEnv[12], detElemId, true, TGeoTranslation(-xEnv,-yEnvP,kZp),TGeoRotation("rot1",90.,180.,90.,90.,180.,0.)); |
a432117a | 242 | detElemId = (10+icount+1)*100+50+5; |
8bd68448 | 243 | GetEnvelopes(10+icount)->AddEnvelope(volEnv[14], detElemId, true, TGeoTranslation(-xEnv, yEnvP,kZp),TGeoRotation("rot1",90.,180.,90.,90.,180.,0.)); |
d1cd2474 | 244 | |
a432117a | 245 | GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[3],iVolNum++,TGeoTranslation(xpos, ypos,0.),3,dpar); |
246 | GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[5],iVolNum++,TGeoTranslation(xpos,-ypos,0.),3,dpar); | |
298c0899 | 247 | GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[12],iVolNum++,TGeoTranslation(xpos, ypos,0.),3,dpar); |
248 | GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[14],iVolNum++,TGeoTranslation(xpos,-ypos,0.),3,dpar); | |
d1cd2474 | 249 | |
250 | // chamber type C (note: same Z than type B) | |
251 | dpar[0] = (kXMAX/2)*zRatio; | |
252 | dpar[1] = (kYMAX/2)*zRatio; | |
253 | xpos = 0.; | |
254 | ypos = ((kYMAX - kYMIN)/2.) * zRatio; | |
255 | ||
a432117a | 256 | GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[3],iVolNum++,TGeoTranslation(xpos,-ypos,0.),3,dpar); |
257 | GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[5],iVolNum++,TGeoTranslation(xpos, ypos,0.),3,dpar); | |
298c0899 | 258 | GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[12],iVolNum++,TGeoTranslation(xpos,-ypos,0.),3,dpar); |
259 | GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[14],iVolNum++,TGeoTranslation(xpos, ypos,0.),3,dpar); | |
880610c7 | 260 | |
d1cd2474 | 261 | // chamber type D, E and F (same size) |
262 | // D | |
263 | yEnvPsave = yEnvP; | |
264 | yEnvMsave = yEnvM; | |
265 | yEnvP = (yEnvMsave + kYMIN * zRatio ) * zpm + kYMIN * zRatio; | |
266 | yEnvM = (yEnvPsave + kYMIN * zRatio ) * zmp + kYMIN * zRatio; | |
267 | dpar[0] = (kXMAX/2.)*zRatio; | |
268 | dpar[1] = kYMIN*zRatio; | |
269 | ||
a432117a | 270 | detElemId = (10+icount+1)*100+2; |
8bd68448 | 271 | GetEnvelopes(10+icount)->AddEnvelope(volEnv[2], detElemId, true, TGeoTranslation(xEnv,-yEnvP,kZp)); |
a432117a | 272 | detElemId = (10+icount+1)*100+6; |
8bd68448 | 273 | GetEnvelopes(10+icount)->AddEnvelope(volEnv[6], detElemId, true, TGeoTranslation(xEnv, yEnvP,kZp)); |
a432117a | 274 | detElemId = (10+icount+1)*100+50+2; |
8bd68448 | 275 | GetEnvelopes(10+icount)->AddEnvelope(volEnv[11], detElemId, true, TGeoTranslation(-xEnv,-yEnvM,kZm),TGeoRotation("rot1",90.,180.,90.,90.,180.,0.)); |
a432117a | 276 | detElemId = (10+icount+1)*100+50+6; |
8bd68448 | 277 | GetEnvelopes(10+icount)->AddEnvelope(volEnv[15], detElemId, true, TGeoTranslation(-xEnv, yEnvM,kZm),TGeoRotation("rot1",90.,180.,90.,90.,180.,0.)); |
d1cd2474 | 278 | |
a432117a | 279 | GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[2],iVolNum++,3, dpar); |
280 | GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[6],iVolNum++,3, dpar); | |
281 | GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[11],iVolNum++,3, dpar); | |
282 | GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[15],iVolNum++,3, dpar); | |
d1cd2474 | 283 | |
284 | // E | |
285 | yEnvPsave = yEnvP; | |
286 | yEnvMsave = yEnvM; | |
287 | yEnvP = (yEnvMsave + kYMIN * zRatio ) * zpm + kYMIN * zRatio; | |
288 | yEnvM = (yEnvPsave + kYMIN * zRatio ) * zmp + kYMIN * zRatio; | |
289 | ||
a432117a | 290 | detElemId = (10+icount+1)*100+1; |
8bd68448 | 291 | GetEnvelopes(10+icount)->AddEnvelope(volEnv[1], detElemId, true, TGeoTranslation(xEnv,-yEnvM,kZm)); |
a432117a | 292 | detElemId = (10+icount+1)*100+7; |
8bd68448 | 293 | GetEnvelopes(10+icount)->AddEnvelope(volEnv[7], detElemId, true, TGeoTranslation(xEnv, yEnvM,kZm)); |
a432117a | 294 | detElemId = (10+icount+1)*100+50+1; |
8bd68448 | 295 | GetEnvelopes(10+icount)->AddEnvelope(volEnv[10], detElemId, true, TGeoTranslation(-xEnv,-yEnvP,kZp),TGeoRotation("rot1",90.,180.,90.,90.,180.,0.)); |
a432117a | 296 | detElemId = (10+icount+1)*100+50+7; |
8bd68448 | 297 | GetEnvelopes(10+icount)->AddEnvelope(volEnv[16], detElemId, true, TGeoTranslation(-xEnv, yEnvP,kZp),TGeoRotation("rot1",90.,180.,90.,90.,180.,0.)); |
d1cd2474 | 298 | |
a432117a | 299 | GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[1],iVolNum++,3,dpar); |
300 | GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[7],iVolNum++,3,dpar); | |
301 | GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[10],iVolNum++,3,dpar); | |
302 | GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[16],iVolNum++,3,dpar); | |
d1cd2474 | 303 | |
304 | ||
305 | // F | |
306 | yEnvPsave = yEnvP; | |
307 | yEnvMsave = yEnvM; | |
308 | yEnvP = (yEnvMsave + kYMIN * zRatio ) * zpm + kYMIN * zRatio; | |
309 | yEnvM = (yEnvPsave + kYMIN * zRatio ) * zmp + kYMIN * zRatio; | |
310 | ||
a432117a | 311 | detElemId = (10+icount+1)*100; |
8bd68448 | 312 | GetEnvelopes(10+icount)->AddEnvelope(volEnv[0], detElemId, true, TGeoTranslation(xEnv,-yEnvP,kZp)); |
a432117a | 313 | detElemId = (10+icount+1)*100+8; |
8bd68448 | 314 | GetEnvelopes(10+icount)->AddEnvelope(volEnv[8], detElemId, true, TGeoTranslation(xEnv, yEnvP,kZp)); |
a432117a | 315 | detElemId = (10+icount+1)*100+50; |
8bd68448 | 316 | GetEnvelopes(10+icount)->AddEnvelope(volEnv[9], detElemId, true, TGeoTranslation(-xEnv,-yEnvM,kZm),TGeoRotation("rot1",90.,180.,90.,90.,180.,0.)); |
a432117a | 317 | detElemId = (10+icount+1)*100+50+8; |
8bd68448 | 318 | GetEnvelopes(10+icount)->AddEnvelope(volEnv[17], detElemId, true, TGeoTranslation(-xEnv, yEnvM,kZm),TGeoRotation("rot1",90.,180.,90.,90.,180.,0.)); |
528abf6f | 319 | |
a432117a | 320 | GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[0],iVolNum++,3,dpar); |
321 | GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[8],iVolNum++,3,dpar); | |
322 | GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[9],iVolNum++,3,dpar); | |
323 | GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[17],iVolNum++,3,dpar); | |
d1cd2474 | 324 | |
325 | } // end loop on detection planes | |
326 | } // end loop on stations | |
327 | } | |
328 | ||
329 | //______________________________________________________________________________ | |
330 | void AliMUONTriggerGeometryBuilder::SetTransformations() | |
331 | { | |
332 | // Defines the transformations for the trigger chambers. | |
333 | // --- | |
334 | Double_t zpos1, zpos2; | |
335 | AliMUONChamber *iChamber1, *iChamber2; | |
336 | ||
e118b27e | 337 | iChamber1 = &fMUON->Chamber(10); |
d1cd2474 | 338 | zpos1= - iChamber1->Z(); |
339 | iChamber1->GetGeometry() | |
340 | ->SetTranslation(TGeoTranslation(0., 0., zpos1)); | |
341 | ||
e118b27e | 342 | iChamber2 = &fMUON->Chamber(11); |
d1cd2474 | 343 | zpos2 = - iChamber2->Z(); |
344 | iChamber2->GetGeometry() | |
345 | ->SetTranslation(TGeoTranslation(0., 0., zpos2)); | |
346 | ||
e118b27e | 347 | iChamber1 = &fMUON->Chamber(12); |
d1cd2474 | 348 | zpos1 = - iChamber1->Z(); |
349 | iChamber1->GetGeometry() | |
350 | ->SetTranslation(TGeoTranslation(0., 0., zpos1)); | |
351 | ||
e118b27e | 352 | iChamber2 = &fMUON->Chamber(13); |
d1cd2474 | 353 | zpos2 = - iChamber2->Z(); |
354 | iChamber2->GetGeometry() | |
355 | ->SetTranslation(TGeoTranslation(0., 0., zpos2)); | |
356 | } | |
357 | ||
358 | //______________________________________________________________________________ | |
359 | void AliMUONTriggerGeometryBuilder::SetSensitiveVolumes() | |
360 | { | |
361 | // Defines the sensitive volumes for trigger station chambers. | |
362 | // --- | |
363 | ||
e118b27e | 364 | GetGeometry(10)->SetSensitiveVolume("SG1A"); |
365 | GetGeometry(11)->SetSensitiveVolume("SG2A"); | |
366 | GetGeometry(12)->SetSensitiveVolume("SG3A"); | |
367 | GetGeometry(13)->SetSensitiveVolume("SG4A"); | |
d1cd2474 | 368 | } |
369 |