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b86e74f5 | 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 | /* $Id$ */ | |
17 | ||
18 | /////////////////////////////////////////////////////////////////////////////// | |
19 | // // | |
20 | // ALICE Cosmic Ray Trigger // | |
21 | // // | |
22 | // This class contains the functions for version 0 of the ALICE Cosmic Ray // | |
19f796ed | 23 | // Trigger. This version will be used to simulation comic rays in alice with// |
24 | // all the detectors. It include geometry and hits (posicion and momentum) // | |
b86e74f5 | 25 | // // |
19f796ed | 26 | // Send comments to: // |
27 | // Arturo Fernandez <afernand@fcfm.buap.mx> // | |
28 | // Enrique Gamez <egamez@fcfm.buap.mx> // | |
29 | // Eleazar Cuautle <ecuautle@nucleares.unam.mx> // | |
b86e74f5 | 30 | /////////////////////////////////////////////////////////////////////////////// |
31 | ||
b86e74f5 | 32 | |
19f796ed | 33 | #include "AliACORDEv0.h" |
34 | #include <TClonesArray.h> | |
35 | #include <TLorentzVector.h> | |
36 | #include <TVirtualMC.h> | |
37 | #include <TPDGCode.h> | |
b86e74f5 | 38 | #include <TGeometry.h> |
39 | #include <TBRIK.h> | |
40 | #include <TNode.h> | |
19f796ed | 41 | |
b86e74f5 | 42 | |
43 | #include "AliRun.h" | |
44 | #include "AliConst.h" | |
19f796ed | 45 | #include "AliACORDEhit.h" |
b86e74f5 | 46 | #include "AliACORDEConstants.h" |
19f796ed | 47 | #include "AliMC.h" |
48 | #include "AliLog.h" | |
b86e74f5 | 49 | |
50 | ClassImp(AliACORDEv0) | |
51 | ||
52 | //_____________________________________________________________________________ | |
53 | AliACORDEv0::AliACORDEv0() | |
54 | : AliACORDE() | |
55 | { | |
56 | // | |
57 | // Default constructor | |
19f796ed | 58 | fIshunt = 0; |
59 | fHits = 0; | |
b86e74f5 | 60 | // |
19f796ed | 61 | } |
b86e74f5 | 62 | //_____________________________________________________________________________ |
63 | AliACORDEv0::AliACORDEv0(const char *name, const char *title) | |
64 | : AliACORDE(name, title) | |
65 | { | |
66 | // | |
67 | // Standard constructor | |
68 | // | |
19f796ed | 69 | fIshunt = 1; // All hits are associated with primary particles |
70 | fHits = new TClonesArray("AliACORDEhit",400); | |
71 | gAlice->GetMCApp()->AddHitList(fHits); | |
b86e74f5 | 72 | } |
b86e74f5 | 73 | //_____________________________________________________________________________ |
74 | AliACORDEv0::~AliACORDEv0() | |
75 | { | |
76 | // | |
77 | // Default destructor | |
78 | // | |
79 | } | |
b86e74f5 | 80 | //_____________________________________________________________________________ |
81 | void AliACORDEv0::BuildGeometry() | |
82 | { | |
19f796ed | 83 | |
84 | // not needed anymore | |
85 | ||
86 | } | |
87 | ||
88 | //_____________________________________________________________________________ | |
89 | void AliACORDEv0::CreateGeometry() | |
90 | { | |
91 | CreateAcorde(); | |
92 | if (GetCreateCavern()) CreateCavern(); | |
93 | } | |
94 | ||
95 | void AliACORDEv0::CreateCavern() | |
96 | { | |
97 | Int_t* idtmed = fIdtmed->GetArray() - 1099 ; | |
98 | // Create the mother volume, the one which will contain all the material | |
99 | // above the hall. | |
100 | Float_t pbox[3]; | |
101 | pbox[0] = AliACORDEConstants::Instance()->Depth()*TMath::Tan(67.5*kDegrad); | |
102 | //pbox[0] = 12073; | |
103 | pbox[1] = AliACORDEConstants::Instance()->Depth(); | |
104 | pbox[2] = pbox[0]; | |
105 | gMC->Gsvolu("ACORDE", "BOX", idtmed[1114], pbox, 3); | |
106 | gMC->Gspos("ACORDE", 1, "ALIC", 0, 0, 0, 0, "ONLY"); | |
107 | CreateShafts(); | |
108 | CreateMolasse(); | |
109 | } | |
110 | ||
111 | void AliACORDEv0::CreateShafts() | |
112 | ||
113 | { | |
114 | ||
115 | // | |
116 | Int_t idrotm[2499]; // The rotation matrix. | |
117 | Int_t* idtmed = fIdtmed->GetArray() - 1099 ; | |
118 | ||
b86e74f5 | 119 | // |
19f796ed | 120 | // Acces shafts |
b86e74f5 | 121 | // |
19f796ed | 122 | AliMatrix(idrotm[2001], 0, 0, 90, 0, 90, 90); |
123 | ||
124 | ||
125 | // Create a bing cilinder to hold the main structures in the shaft. | |
126 | // All the structures relative to the shaft will be put into | |
127 | // this volume. | |
128 | // This shaft is composed by an open tube down in the hall, and | |
129 | // a cilinder avobe the level of the ceiling. | |
130 | Float_t ptube[3]; | |
131 | ptube[0] = 0; // inner radius | |
132 | ptube[1] = 1250; // outer radius | |
133 | ptube[2] = 5150/2; // Half lenght in Z | |
134 | gMC->Gsvolu("CSF1", "TUBE", idtmed[1114], ptube, 3); | |
135 | ||
136 | Float_t ptubs[5]; | |
137 | // The open section of the PX24 | |
138 | ptubs[0] = 1150; // Inner radius | |
139 | ptubs[1] = 1250; // Outer radius | |
140 | ptubs[2] = 1300; // Half length | |
141 | ptubs[3] = 180 + kRaddeg*TMath::ASin(1070/ptubs[0]); // starting angle | |
142 | ptubs[4] = 180 - kRaddeg*TMath::ASin(1070/ptubs[0]); | |
143 | gMC->Gsvolu("CSF2", "TUBS", idtmed[1116], ptubs, 5); | |
144 | gMC->Gspos("CSF2", 1, "CSF1", 0, 0, -ptube[2] + ptubs[2], 0, "MANY"); | |
145 | ||
146 | // The other part of the shaft. | |
147 | ptube[0] = ptubs[0]; // Inner radius | |
148 | ptube[1] = ptubs[1]; // Outer radius | |
149 | ptube[2] = 5150/2 - ptubs[2]; // Half lenght | |
150 | gMC->Gsvolu("CSF3", "TUBE", idtmed[1116], ptube, 3); | |
151 | gMC->Gspos("CSF3", 1, "CSF1", 0, 0, 5150/2 - ptube[2], 0, "MANY"); | |
152 | ||
153 | Float_t pbox[3]; | |
154 | // Concrete walls along the shaft (next to the elevator.) | |
155 | pbox[0] = 480/2; // Half length in X | |
156 | pbox[1] = 120/2; // Half length in Y | |
157 | pbox[2] = 5150/2; // Half length in Z | |
158 | gMC->Gsvolu("CSW1", "BOX", idtmed[1116], pbox, 3); | |
159 | gMC->Gspos("CSW1", 1, "CSF1", 820+pbox[0], 150+pbox[1], 0, 0, "MANY"); | |
160 | gMC->Gspos("CSW1", 2, "CSF1", 820+pbox[0], -300-pbox[1], 0, 0, "MANY"); | |
b86e74f5 | 161 | |
19f796ed | 162 | // |
163 | pbox[0] = 120/2; // Half length in X | |
164 | pbox[1] = 750/2; // Half length in Y | |
165 | pbox[2] = 5150/2; // Half length in Z | |
166 | gMC->Gsvolu("CSW2", "BOX", idtmed[1116], pbox, 3); | |
167 | gMC->Gspos("CSW2", 1, "CSF1", 820-60, 150+pbox[1], 0, 0, "MANY"); | |
b86e74f5 | 168 | |
19f796ed | 169 | // |
170 | pbox[0] = 120/2; // Half length in X | |
171 | pbox[1] = 600/2; // Half lenght in Y | |
172 | pbox[2] = 5150/2; // Half length in Z | |
173 | gMC->Gsvolu("CSW3", "BOX", idtmed[1116], pbox, 3); | |
174 | gMC->Gspos("CSW3", 1, "CSF1", 820-60, -300-pbox[1], 0, 0, "MANY"); | |
175 | ||
176 | // Material below the counting rooms. | |
177 | pbox[0] = 400/2; | |
178 | pbox[1] = 2300/2; | |
179 | pbox[2] = 300/2; | |
180 | gMC->Gsvolu("CSW4", "BOX", idtmed[1116], pbox, 3); | |
181 | gMC->Gspos("CSW4",1,"CSF1",2300/2-pbox[0],0,3000-5150/2-pbox[2], 0, "MANY"); | |
182 | ||
183 | // Shielding plug. | |
184 | pbox[0] = 1400/2; | |
185 | pbox[1] = 2300/2; | |
186 | pbox[2] = 170/2; | |
187 | gMC->Gsvolu("CSW5", "BOX", idtmed[1116], pbox, 3); | |
188 | gMC->Gspos("CSW5", 1, "CSF1", 0, 0, 3000-5150/2-130, 0, "MANY"); | |
189 | ||
190 | // The end of the support for the shielding plug. | |
191 | pbox[0] = 170/2; | |
192 | pbox[1] = 2300/2; | |
193 | pbox[2] = 300/2; | |
194 | gMC->Gsvolu("CSW6", "BOX", idtmed[1116], pbox, 3); | |
195 | gMC->Gspos("CSW6",1,"CSF1",-1400/2-pbox[0],0,3000-5150/2-pbox[2],0,"MANY"); | |
196 | ||
197 | // ... | |
198 | pbox[0] = 100/2; | |
199 | pbox[1] = 2300/2; | |
200 | pbox[2] = 450/2; | |
201 | gMC->Gsvolu("CSW7", "BOX", idtmed[1116], pbox, 3); | |
202 | gMC->Gspos("CSW7",1,"CSF1",-1400/2-170-pbox[0],0,3000-5150/2+pbox[2],0,"MANY"); | |
203 | ||
204 | // Material close to the pipe. | |
205 | pbox[0] = 300/2; | |
206 | pbox[1] = 2300/2; | |
207 | pbox[2] = 170/2; | |
208 | gMC->Gsvolu("CSW8", "BOX", idtmed[1116], pbox, 3); | |
209 | gMC->Gspos("CSW8",1,"CSF1",-2300/2+pbox[0],0,2500-5150/2,0,"MANY"); | |
210 | ||
211 | // Now put the shaft into the mother volume. | |
212 | gMC->Gspos("CSF1", 1, "ACORDE", 0, AliACORDEConstants::Instance()->Depth() - 5150/2, 2300, idrotm[2001], "MANY"); | |
213 | ||
214 | // PM25 Access Shaft | |
215 | ptube[0] = 910/2; | |
216 | ptube[1] = ptube[0] + 100; | |
217 | ptube[2] = (5150 - 1166)/2; | |
218 | gMC->Gsvolu("CSF4", "TUBE", idtmed[1116], ptube, 3); | |
219 | gMC->Gspos("CSF4", 1, "ACORDE", 2100, AliACORDEConstants::Instance()->Depth()-ptube[2], 0, idrotm[2001], "MANY"); | |
220 | ||
221 | // PGC2 Access Shaft | |
222 | ptube[0] = 1100/2; | |
223 | ptube[1] = ptube[0] + 100; | |
224 | ptube[2] = (5150 - 690)/2; | |
225 | gMC->Gsvolu("CSF5", "TUBE", idtmed[1116], ptube, 3); | |
226 | gMC->Gspos("CSF5", 1, "ACORDE", -375, AliACORDEConstants::Instance()->Depth()-ptube[2], -1900 - 2987.7, idrotm[2001], "MANY"); | |
b86e74f5 | 227 | |
19f796ed | 228 | } |
b86e74f5 | 229 | |
b86e74f5 | 230 | |
19f796ed | 231 | void AliACORDEv0::CreateMolasse() |
b86e74f5 | 232 | |
19f796ed | 233 | { |
b86e74f5 | 234 | |
235 | // | |
19f796ed | 236 | Int_t idrotm[2499]; // The rotation matrix. |
237 | Int_t* idtmed = fIdtmed->GetArray() - 1099 ; | |
238 | ||
239 | Float_t px24radius = 2300/2; | |
240 | Float_t px24X = 0; | |
241 | //Float_t px24Y = ; | |
242 | Float_t px24Z = 2300; | |
243 | ||
244 | Float_t pm25radius = 910/2; | |
245 | Float_t pm25X = 2100; | |
246 | //Float_t pm25Y = ; | |
247 | Float_t pm25Z = 0; | |
248 | ||
249 | Float_t pgc2radius = 1100/2; | |
250 | Float_t pgc2X = -375; | |
251 | //Float_t pgc2Y = ; | |
252 | Float_t pgc2Z = -(1900 + 2987.7); | |
253 | ||
254 | Float_t concreteWidth = 100; // Standard width of the hall walls. | |
255 | ||
256 | ||
257 | // Create a local mother volume. | |
258 | Float_t pbox[3]; | |
259 | pbox[0] = AliACORDEConstants::Instance()->Depth()*TMath::Tan(67.5*kDegrad); | |
260 | pbox[1] = AliACORDEConstants::Instance()->Depth()/2; | |
261 | pbox[2] = pbox[0]; | |
262 | gMC->Gsvolu("CMO1", "BOX", idtmed[1114], pbox, 3); | |
263 | ||
264 | // Now put the molasse exactly above the hall. OK | |
265 | // Above the ceiling | |
266 | Float_t ptubs[5]; | |
267 | ptubs[0] = 1170; | |
268 | ptubs[1] = 2100 - pm25radius; | |
269 | ptubs[2] = 1900/2 + px24radius; | |
270 | ptubs[3] = 0; | |
271 | ptubs[4] = 180; | |
272 | gMC->Gsvolu("CMO2", "TUBS", idtmed[1123], ptubs, 5); | |
273 | gMC->Gspos("CMO2", 1, "CMO1", 0, 500-AliACORDEConstants::Instance()->Depth()/2, ptubs[2]-1900, 0, "MANY"); | |
274 | ||
275 | // Molasse around the RB24/26 Wall. OK | |
276 | ptubs[0] = 220 + 1600; | |
277 | ptubs[1] = AliACORDEConstants::Instance()->Depth() - ptubs[0]; | |
278 | ptubs[2] = 2987.7/2 - 1100/4 - concreteWidth/2; | |
279 | ptubs[3] = 0; | |
280 | ptubs[4] = 180; | |
281 | gMC->Gsvolu("CMO3", "TUBS", idtmed[1123], ptubs, 5); | |
282 | gMC->Gspos("CMO3", 1, "CMO1", 70, 40-AliACORDEConstants::Instance()->Depth()/2, -1900 - ptubs[2], 0, "MANY"); | |
283 | ||
284 | // A big block above the RB24/26 wall. OK | |
285 | pbox[0] = AliACORDEConstants::Instance()->Depth()*TMath::Tan(67.5*kDegrad); | |
286 | pbox[1] = (AliACORDEConstants::Instance()->Depth() - 220 - 1600)/2; | |
287 | pbox[2] = 2987.7/2 - 1100/4 - concreteWidth/2; | |
288 | gMC->Gsvolu("CMO4", "BOX", idtmed[1123], pbox, 3); | |
289 | gMC->Gspos("CMO4", 1, "CMO1", 0, AliACORDEConstants::Instance()->Depth()/2 - pbox[1], -1900 - pbox[2], 0, "MANY"); | |
290 | // Small blocks below the volume CMO4 on both sides of the wall RB24/26. OK | |
291 | pbox[0] = (AliACORDEConstants::Instance()->Depth()*TMath::Tan(67.5*kDegrad) - | |
292 | ptubs[0])/2; | |
293 | pbox[1] = AliACORDEConstants::Instance()->Depth()/2 - pbox[1]; | |
294 | gMC->Gsvolu("CM17", "BOX", idtmed[1123], pbox, 3); | |
295 | gMC->Gspos("CM17", 1, "CMO1", AliACORDEConstants::Instance()->Depth()*TMath::Tan(67.5*kDegrad) - pbox[0], -AliACORDEConstants::Instance()->Depth()/2 + pbox[1], -1900 - pbox[2], 0, "MANY"); | |
296 | gMC->Gspos("CM17", 2, "CMO1", -AliACORDEConstants::Instance()->Depth()*TMath::Tan(67.5*kDegrad)+ pbox[0], -AliACORDEConstants::Instance()->Depth()/2 + pbox[1], -1900 - pbox[2], 0, "MANY"); | |
297 | ||
298 | // And a big block of molasse above the hall up to the surface. OK | |
299 | pbox[0] = pm25X - pm25radius; | |
300 | pbox[1] = (AliACORDEConstants::Instance()->Depth()-500-1170)/2; | |
301 | pbox[2] = (1900 + 1150)/2; | |
302 | gMC->Gsvolu("CMO5", "BOX", idtmed[1123], pbox, 3); | |
303 | gMC->Gspos("CMO5", 1, "CMO1", 0,AliACORDEConstants::Instance()->Depth()/2-pbox[1], pbox[2]-1900, 0, "MANY"); | |
304 | // Small blocks of molasse betwen the blocks CMO2, CMO5 and PM25. Ok | |
305 | pbox[0] = (pm25X - pm25radius - 1170)/2; | |
306 | pbox[1] = 1000; | |
307 | gMC->Gsvolu("CM16", "BOX", idtmed[1123], pbox, 3); | |
308 | gMC->Gspos("CM16", 1, "CMO1", 1170 + pbox[0], -AliACORDEConstants::Instance()->Depth()/2+pbox[1], pbox[2] - 1900, 0, "MANY"); | |
309 | ||
310 | // Molasse around the shafts. | |
311 | AliMatrix(idrotm[2003], 0, 0, 90, 0, 90, 90); | |
312 | // Around the PX24, the open section. OK | |
313 | ptubs[0] = px24radius + concreteWidth; | |
314 | ptubs[1] = ptubs[0] + 1000; | |
315 | ptubs[2] = (2300 - (5150 - AliACORDEConstants::Instance()->Depth()))/2; | |
316 | ptubs[3] = 180 + kRaddeg*TMath::ASin(1070/ptubs[0]); | |
317 | ptubs[4] = 180 - kRaddeg*TMath::ASin(1070/ptubs[0]); | |
318 | gMC->Gsvolu("CMO6", "TUBS", idtmed[1123], ptubs, 5); | |
319 | gMC->Gspos("CMO6", 1, "CMO1", px24X, ptubs[2] - AliACORDEConstants::Instance()->Depth()/2, px24Z, idrotm[2003], "MANY"); | |
320 | // Around the PX24, the closed section. OK | |
321 | Float_t ptube[3]; | |
322 | ptube[0] = px24radius + concreteWidth; | |
323 | ptube[1] = ptube[0] + 1000; | |
324 | ptube[2] = (5150 - 2300)/2; | |
325 | gMC->Gsvolu("CMO7", "TUBE", idtmed[1123], ptube, 3); | |
326 | gMC->Gspos("CMO7", 1, "CMO1", px24X, AliACORDEConstants::Instance()->Depth()/2 - ptube[2], px24Z, idrotm[2003], "MANY"); | |
327 | ||
328 | // Around PM25. OK | |
329 | ptube[0] = pm25radius + concreteWidth; | |
330 | ptube[1] = ptube[0] + 400; | |
331 | ptube[2] = AliACORDEConstants::Instance()->Depth()/2; | |
332 | gMC->Gsvolu("CMO8", "TUBE", idtmed[1123], ptube, 3); | |
333 | gMC->Gspos("CMO8", 1, "CMO1", pm25X, 0, pm25Z, idrotm[2003], "MANY"); | |
334 | // On both sides of the PM25 along the HALL. | |
335 | pbox[0] = (2100 + pm25radius - 1170)/2; | |
336 | pbox[1] = AliACORDEConstants::Instance()->Depth()/2; | |
337 | pbox[2] = (3*px24radius - pm25radius)/2; | |
338 | gMC->Gsvolu("CM18", "BOX", idtmed[1123], pbox, 3); | |
339 | gMC->Gspos("CM18", 1, "CMO1", 2100, 0, pbox[2] + pm25radius, 0, "MANY"); | |
340 | ||
341 | pbox[2] = (1900 - pm25radius)/2; | |
342 | gMC->Gsvolu("CM19", "BOX", idtmed[1123], pbox, 3); | |
343 | gMC->Gspos("CM19", 1, "CMO1", 2100, 0, -pbox[2] - pm25radius, 0, "MANY"); | |
344 | ||
345 | // Around the PGC2. OK | |
346 | ptube[0] = pgc2radius + concreteWidth; | |
347 | ptube[1] = 2987.7 - 740; | |
348 | ptube[2] = AliACORDEConstants::Instance()->Depth()/2; | |
349 | gMC->Gsvolu("CMO9", "TUBE", idtmed[1123], ptube, 3); | |
350 | gMC->Gspos("CMO9", 1, "CMO1", pgc2X, 0, pgc2Z, idrotm[2003], "MANY"); | |
351 | ||
352 | // On both sides of the PGC2.OK | |
353 | pbox[0] = (AliACORDEConstants::Instance()->Depth()*TMath::Tan(67.5*kDegrad) - | |
354 | 1100 - 375)/2; | |
355 | pbox[1] = AliACORDEConstants::Instance()->Depth()/2; | |
356 | pbox[2] = pgc2radius + concreteWidth; | |
357 | gMC->Gsvolu("CM10", "BOX", idtmed[1123], pbox, 3); | |
358 | gMC->Gspos("CM10", 1, "CMO1", AliACORDEConstants::Instance()->Depth()*TMath::Tan(67.5*kDegrad) - pbox[0], 0, pgc2Z, 0, "MANY"); | |
359 | gMC->Gspos("CM10", 2, "CMO1", -AliACORDEConstants::Instance()->Depth()*TMath::Tan(67.5*kDegrad) + pbox[0], 0, pgc2Z, 0, "MANY"); | |
360 | ||
361 | // big block of molasse behind the PX24. OK | |
362 | pbox[0] = AliACORDEConstants::Instance()->Depth()*TMath::Tan(67.5*kDegrad); | |
363 | pbox[1] = AliACORDEConstants::Instance()->Depth()/2; | |
364 | pbox[2] = (pbox[0] - (2300 + 1150 + 100))/2; | |
365 | gMC->Gsvolu("CM12", "BOX", idtmed[1123], pbox, 3); | |
366 | gMC->Gspos("CM12", 1, "CMO1", px24X, 0, px24Z + px24radius + concreteWidth + pbox[2], 0, "MANY"); | |
367 | ||
368 | // big block of molasse in the opposite side of the PM25. OK | |
369 | pbox[0] = (AliACORDEConstants::Instance()->Depth()*TMath::Tan(67.5*kDegrad) - | |
370 | 1150)/2; | |
371 | pbox[1] = AliACORDEConstants::Instance()->Depth()/2; | |
372 | pbox[2] = (1900 + 2300 + 1150)/2; | |
373 | gMC->Gsvolu("CM13", "BOX", idtmed[1123], pbox, 3); | |
374 | gMC->Gspos("CM13", 1, "CMO1", -1150 - pbox[0], 0, pbox[2] - 1900, 0, "MANY"); | |
375 | ||
376 | // big block of molasse behind the PM25. OK | |
377 | pbox[0] = (AliACORDEConstants::Instance()->Depth()*TMath::Tan(67.5*kDegrad) - | |
378 | (2100 + 910/2 + 100))/2; | |
379 | pbox[1] = AliACORDEConstants::Instance()->Depth()/2; | |
380 | pbox[2] = (1900 + 2300 + 1150)/2; | |
381 | gMC->Gsvolu("CM14", "BOX", idtmed[1123], pbox, 3); | |
382 | gMC->Gspos("CM14", 1, "CMO1", pm25X + pm25radius + concreteWidth + pbox[0], 0, pbox[2] - 1900, 0, "MANY"); | |
383 | ||
384 | // big block of molasse behind the PGC2. OK | |
385 | pbox[0] = AliACORDEConstants::Instance()->Depth()*TMath::Tan(67.5*kDegrad); | |
386 | pbox[1] = AliACORDEConstants::Instance()->Depth()/2; | |
387 | pbox[2] = (pbox[0] - (2987.7 + 1900 + 1100/2 + 100))/2; | |
388 | gMC->Gsvolu("CM15", "BOX", idtmed[1123], pbox, 3); | |
389 | gMC->Gspos("CM15", 1, "CMO1", 0, 0, -pbox[0] + pbox[2], 0, "MANY"); | |
390 | ||
391 | gMC->Gspos("CMO1",1,"ACORDE",0,AliACORDEConstants::Instance()->Depth()/2,0,0,"MANY"); | |
b86e74f5 | 392 | |
393 | } | |
394 | ||
19f796ed | 395 | void AliACORDEv0::CreateAcorde() |
b86e74f5 | 396 | { |
397 | // | |
398 | // Create geometry for the ACORDE array | |
19f796ed | 399 | // done in two main steps |
400 | // 1.- definition of the modules | |
401 | // 2.- placement of the modules | |
b86e74f5 | 402 | // |
b86e74f5 | 403 | Int_t idrotm[2499]; // The rotation matrix. |
404 | Int_t* idtmed = fIdtmed->GetArray() - 1099; | |
19f796ed | 405 | AliACORDEConstants* constants = AliACORDEConstants::Instance(); |
b86e74f5 | 406 | Float_t box[3]; |
19f796ed | 407 | Float_t placed_at; |
408 | Float_t placed_at2; | |
409 | Float_t small = 0.05; // to separate slightly some volumes | |
410 | // by half a mm so that they do not overlap | |
411 | ||
412 | ||
413 | // 1.- Definition of a module | |
414 | // * ACORDE1 => volume filled with air, representing a module | |
415 | // it contains all other volumes defining the module | |
416 | // there are 60 copies of it | |
417 | // * ACORDE2 => volume defining one scintillator pad | |
418 | // there are 2 copies of it per module | |
419 | // * ACORDE3-6 => volumes representing the Al walls of box | |
420 | // surrounding the plastic | |
421 | // 3: long wall, 2 copies (front, back) | |
422 | // 4: end caps, 2 copies (left, right) | |
423 | // 5: long stripe to model the profile | |
424 | // 4 copies (upper front and back, lower) | |
425 | // 6: short stripe to model the profile | |
426 | // 4 copies (upper left, right; lower) | |
b86e74f5 | 427 | |
428 | // The full module volume. | |
429 | // This volume will be ocupied by all the material of the module | |
430 | // the scintillators, the aluminium frame, etc. | |
19f796ed | 431 | box[0] = constants->ModuleLength()/2; |
432 | box[1] = constants->ModuleHeight()/2; | |
433 | box[2] = constants->ModuleWidth()/2; | |
434 | gMC->Gsvolu("ACORDE1", "BOX", idtmed[1114], box, 3); | |
b86e74f5 | 435 | |
436 | // The scintillators | |
19f796ed | 437 | box[0] = constants->PlasticLength()/2; |
438 | box[1] = constants->PlasticHeight()/2; | |
439 | box[2] = constants->PlasticWidth()/2; | |
440 | gMC->Gsvolu("ACORDE2", "BOX", idtmed[1112], box, 3); | |
441 | ||
442 | // it is important to keep this order for easy assignment of | |
443 | // a volume to a physical module: | |
444 | placed_at = box[1]+constants->ProfileThickness() | |
445 | - constants->ModuleHeight()/2+small; | |
446 | gMC->Gspos("ACORDE2", 1, "ACORDE1", 0, placed_at, 0, 0, "MANY"); | |
447 | placed_at = placed_at + 2.0*box[1]+small; | |
448 | gMC->Gspos("ACORDE2", 2, "ACORDE1", 0, placed_at, 0, 0, "MANY"); | |
449 | ||
450 | ||
451 | // The metallic frame: long walls of box | |
452 | // back,front,left,right, defined looking | |
453 | // from the + z diraction into alice; i.e. | |
454 | // back ==> z<0, front ==> z>0 | |
455 | // left ==> x<0, right ==> x>0 | |
456 | // up ==> increasing y, down ==> decreasing y | |
457 | box[0] = constants->ModuleLength()/2; | |
458 | box[1] = constants->ModuleHeight()/2; | |
459 | box[2] = constants->ProfileThickness()/2.0; | |
460 | gMC->Gsvolu("ACORDE3", "BOX", idtmed[1108], box, 3); | |
461 | // front wall | |
462 | placed_at = constants->ModuleWidth()/2-constants->ProfileThickness()/2.0; | |
463 | gMC->Gspos("ACORDE3", 1, "ACORDE1", 0, 0, placed_at, 0, "MANY"); | |
464 | // back wall | |
465 | gMC->Gspos("ACORDE3", 2, "ACORDE1", 0, 0, -placed_at , 0, "MANY"); | |
466 | ||
467 | // The metallic frame: end caps | |
468 | box[0] = constants->ProfileThickness()/2.0; | |
469 | box[1] = constants->ModuleHeight()/2; | |
470 | box[2] = constants->ModuleWidth()/2; | |
b86e74f5 | 471 | gMC->Gsvolu("ACORDE4", "BOX", idtmed[1108], box, 3); |
19f796ed | 472 | // right cap |
473 | placed_at = constants->ModuleLength()/2-constants->ProfileThickness()/2.0; | |
474 | gMC->Gspos("ACORDE4", 1, "ACORDE1", placed_at, 0, 0, 0, "MANY"); | |
475 | // left cap | |
476 | gMC->Gspos("ACORDE4", 2, "ACORDE1", -placed_at, 0, 0, 0, "MANY"); | |
477 | ||
478 | // The metallic frame: the profile, long stripes | |
479 | box[0] = constants->ModuleLength()/2.0; | |
480 | box[1] = constants->ProfileThickness()/2; | |
481 | box[2] = constants->ProfileWidth()/2; | |
b86e74f5 | 482 | gMC->Gsvolu("ACORDE5", "BOX", idtmed[1108], box, 3); |
19f796ed | 483 | // upper front |
484 | placed_at = constants->ModuleHeight()/2-box[1]; | |
485 | placed_at2 = constants->ModuleWidth()/2- | |
486 | constants->ProfileThickness()-box[2]; | |
487 | gMC->Gspos("ACORDE5", 1, "ACORDE1",0,placed_at,placed_at2, 0, "MANY"); | |
488 | // upper back | |
489 | gMC->Gspos("ACORDE5", 2, "ACORDE1",0,placed_at,-placed_at2, 0, "MANY"); | |
490 | // lower front | |
491 | gMC->Gspos("ACORDE5", 3, "ACORDE1",0,-placed_at,placed_at2, 0, "MANY"); | |
492 | // lower back | |
493 | gMC->Gspos("ACORDE5", 4, "ACORDE1",0,-placed_at,-placed_at2, 0, "MANY"); | |
494 | ||
495 | // The metallic frame: the profile, long stripes | |
496 | box[0] = constants->ProfileWidth()/2.0; | |
497 | box[1] = constants->ProfileThickness()/2; | |
498 | box[2] = constants->ModuleWidth()/2-constants->ProfileWidth(); | |
b86e74f5 | 499 | gMC->Gsvolu("ACORDE6", "BOX", idtmed[1108], box, 3); |
19f796ed | 500 | // upper right |
501 | placed_at = constants->ModuleHeight()/2-box[1]; | |
502 | placed_at2 = constants->ModuleLength()/2- | |
503 | constants->ProfileThickness()-box[0]; | |
504 | gMC->Gspos("ACORDE6", 1, "ACORDE1",placed_at2,placed_at,0, 0, "MANY"); | |
505 | // upper left | |
506 | gMC->Gspos("ACORDE6", 2, "ACORDE1",-placed_at2,placed_at,0, 0, "MANY"); | |
507 | // lower right | |
508 | gMC->Gspos("ACORDE6", 3, "ACORDE1",placed_at2,-placed_at,0, 0, "MANY"); | |
509 | // lower left | |
510 | gMC->Gspos("ACORDE6", 4, "ACORDE1",-placed_at2,-placed_at,0, 0, "MANY"); | |
511 | ||
512 | // End of MODULE definition | |
513 | ||
514 | //////////////////////////////////////////////////////////////////// | |
515 | //////////////////////////////////////////////////////////////////// | |
516 | ||
517 | // 2.- placement of the module | |
518 | // Now put all of them in the right position in | |
519 | // master volume ALIC | |
520 | ||
521 | // rotation matrices (see Geant manual for conventions) | |
522 | // for columns 4 and 5 | |
523 | AliMatrix(idrotm[231], 90, 45, 90, 135, 0, 0); | |
524 | // for columns 0 and 1 | |
525 | AliMatrix(idrotm[232], 90, 315, 90, 45, 0, 0); | |
b86e74f5 | 526 | |
19f796ed | 527 | // place each one of the 6 columns in turn |
528 | // for the first and the last column the position | |
529 | // of the two last modules depends on the value | |
530 | // of the fITSGeometry variable | |
531 | ||
532 | // it is important to keep this order because | |
533 | // the copy number defines the module! | |
534 | ||
535 | // first column, except first and last modules | |
536 | for (Int_t copy = 2; copy < 10; copy++) | |
537 | gMC->Gspos("ACORDE1",copy,"ALIC", | |
538 | constants->ModulePositionX(copy-1), | |
539 | constants->ModulePositionY(copy-1), | |
540 | constants->ModulePositionZ(copy-1), | |
541 | idrotm[232], "MANY"); | |
542 | // second column | |
543 | for (Int_t copy = 11; copy < 21; copy++) | |
544 | gMC->Gspos("ACORDE1",copy,"ALIC", | |
545 | constants->ModulePositionX(copy-1), | |
546 | constants->ModulePositionY(copy-1), | |
547 | constants->ModulePositionZ(copy-1), | |
548 | idrotm[232], "MANY"); | |
549 | // third and fourth columns | |
550 | for (Int_t copy = 21; copy < 41; copy++) | |
551 | gMC->Gspos("ACORDE1",copy,"ALIC", | |
552 | constants->ModulePositionX(copy-1), | |
553 | constants->ModulePositionY(copy-1), | |
554 | constants->ModulePositionZ(copy-1), | |
555 | 0, "MANY"); | |
556 | // fifth column | |
557 | for (Int_t copy = 41; copy < 51; copy++) | |
558 | gMC->Gspos("ACORDE1",copy,"ALIC", | |
559 | constants->ModulePositionX(copy-1), | |
560 | constants->ModulePositionY(copy-1), | |
561 | constants->ModulePositionZ(copy-1), | |
562 | idrotm[231], "MANY"); | |
563 | // last column, except first and last modules | |
564 | for (Int_t copy = 52; copy < 60; copy++) | |
565 | gMC->Gspos("ACORDE1",copy,"ALIC", | |
566 | constants->ModulePositionX(copy-1), | |
567 | constants->ModulePositionY(copy-1), | |
568 | constants->ModulePositionZ(copy-1), | |
569 | idrotm[231], "MANY"); | |
570 | // the last four modules | |
571 | if (GetITSGeometry()) { | |
572 | gMC->Gspos("ACORDE1",1,"ALIC", | |
573 | constants->ExtraModulePositionX(), | |
574 | constants->ExtraModulePositionY(), | |
575 | constants->ExtraModulePositionZ(0), | |
576 | 0, "MANY"); | |
577 | gMC->Gspos("ACORDE1",10,"ALIC", | |
578 | constants->ExtraModulePositionX(), | |
579 | constants->ExtraModulePositionY(), | |
580 | constants->ExtraModulePositionZ(1), | |
581 | 0, "MANY"); | |
582 | gMC->Gspos("ACORDE1",51,"ALIC", | |
583 | constants->ExtraModulePositionX(), | |
584 | constants->ExtraModulePositionY(), | |
585 | constants->ExtraModulePositionZ(2), | |
586 | 0, "MANY"); | |
587 | gMC->Gspos("ACORDE1",60,"ALIC", | |
588 | constants->ExtraModulePositionX(), | |
589 | constants->ExtraModulePositionY(), | |
590 | constants->ExtraModulePositionZ(3), | |
591 | 0, "MANY"); | |
592 | } else { | |
593 | gMC->Gspos("ACORDE1",1,"ALIC", | |
594 | constants->ModulePositionX(0), | |
595 | constants->ModulePositionY(0), | |
596 | constants->ModulePositionZ(0), | |
597 | idrotm[232], "MANY"); | |
598 | gMC->Gspos("ACORDE1",10,"ALIC", | |
599 | constants->ModulePositionX(9), | |
600 | constants->ModulePositionY(9), | |
601 | constants->ModulePositionZ(9), | |
602 | idrotm[232], "MANY"); | |
603 | gMC->Gspos("ACORDE1",51,"ALIC", | |
604 | constants->ModulePositionX(50), | |
605 | constants->ModulePositionY(50), | |
606 | constants->ModulePositionZ(50), | |
607 | idrotm[231], "MANY"); | |
608 | gMC->Gspos("ACORDE1",60,"ALIC", | |
609 | constants->ModulePositionX(59), | |
610 | constants->ModulePositionY(59), | |
611 | constants->ModulePositionZ(59), | |
612 | idrotm[231], "MANY"); | |
613 | } // end if (fITSGeometry) | |
b86e74f5 | 614 | |
19f796ed | 615 | } |
616 | //_____________________________________________________________________________ | |
617 | void AliACORDEv0::DrawDetector() const | |
618 | { | |
b86e74f5 | 619 | |
19f796ed | 620 | // not needed anymore |
b86e74f5 | 621 | |
19f796ed | 622 | } |
b86e74f5 | 623 | |
19f796ed | 624 | //____________________________________________________________________________ |
625 | ||
626 | void AliACORDEv0::Init() | |
627 | { | |
628 | // Initialise L3 magnet after it has been built | |
629 | Int_t i; | |
630 | if(AliLog::GetGlobalDebugLevel()>0) { | |
631 | printf("\n%s: ",ClassName()); | |
632 | for(i=0;i<35;i++) printf("*"); | |
633 | printf(" ACORDEv0_INIT "); | |
634 | for(i=0;i<35;i++) printf("*"); | |
635 | printf("\n%s: ",ClassName()); | |
636 | // Here the ACORDEv initialisation code (if any!) | |
637 | for(i=0;i<80;i++) printf("*"); | |
638 | printf("\n"); | |
639 | } | |
640 | // AliACORDE::Init(); | |
641 | } | |
642 | //____________________________________________________________________________ | |
643 | void AliACORDEv0::StepManager() | |
644 | { | |
645 | // | |
646 | // Called for every step in the Cosmic Ray Trigger | |
647 | // | |
648 | ||
649 | ||
650 | // volume: | |
651 | // [0] = module number 1-60 (1==>(0-0), 60 (5-9) | |
652 | // [1] = Plastic number: 0 (down) to 1 (up) | |
653 | static Int_t vol[2]; | |
654 | // | |
655 | // hit | |
656 | // [0] = PID | |
657 | // [1-3] = x, y, z | |
658 | // [4] = time | |
659 | // [5-7] = px, py, pz | |
660 | // [8] = energy | |
661 | // [9] = energy loss | |
662 | // [10] = length of track through plastic | |
663 | static Float_t hits[11]; | |
664 | ||
665 | // local static variables | |
666 | static Float_t eloss; | |
667 | static Float_t step; | |
668 | // scintillator volume | |
669 | static Int_t idScint = gMC->VolId("ACORDE2"); | |
670 | ||
671 | // local variables | |
672 | Int_t copy; | |
673 | TLorentzVector pos; | |
674 | TLorentzVector mom; | |
675 | ||
676 | // only charged tracks | |
677 | if ( !gMC->TrackCharge() || !gMC->IsTrackAlive() ) return; | |
678 | ||
679 | // only in sensitive material | |
680 | if (gMC->CurrentVolID(copy) == idScint) { | |
681 | step += gMC->TrackStep(); | |
682 | eloss += gMC->Edep(); | |
683 | // set all hit variables except eloss which is resetted | |
684 | // set volume variables | |
685 | if (gMC->IsTrackEntering()) { | |
686 | eloss = 0.0; | |
687 | step = 0.0; | |
688 | gMC->TrackPosition(pos); | |
689 | gMC->TrackMomentum(mom); | |
690 | // hit | |
691 | // [0] = PID | |
692 | // [1-3] = x, y, z | |
693 | // [4] = time | |
694 | // [5-7] = px, py, pz | |
695 | // [8] = energy | |
696 | // [9] = energy loss | |
697 | hits[0] = (Float_t ) gMC->TrackPid(); | |
698 | hits[1] = pos[0]; | |
699 | hits[2] = pos[1]; | |
700 | hits[3] = pos[2]; | |
701 | hits[4] = gMC->TrackTime(); | |
702 | hits[5] = mom[0]; | |
703 | hits[6] = mom[1]; | |
704 | hits[7] = mom[2]; | |
705 | hits[8] = gMC->Etot(); | |
706 | // volume: | |
707 | // [0] = module number 1-60 (1==>(0-0), 60 (5-9) | |
708 | // [1] = Plastic number: 0 (down) to 1 (up) | |
709 | Int_t copyPlastic; // plastic: down=1, up=2 | |
710 | Int_t copyModule; // module: 1-60 | |
711 | gMC->CurrentVolID(copyPlastic); | |
712 | gMC->CurrentVolOffID(1, copyModule); | |
713 | // module | |
714 | vol[0] = copyModule; | |
715 | // plastic: 0 = down, 1 = up | |
716 | vol[1] = copyPlastic; | |
717 | } // end if gMC->IsTrackEntering() | |
718 | ||
719 | // set hit[9] = total energy loss and book hit | |
720 | if( gMC->IsTrackExiting() || | |
721 | gMC->IsTrackStop() || | |
722 | gMC->IsTrackDisappeared()){ | |
723 | hits[9] = eloss; | |
724 | hits[10] = step; | |
725 | eloss = 0.0; | |
726 | step = 0.0; | |
727 | AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(),vol, hits); | |
728 | } | |
729 | } // end if in scintillator | |
b86e74f5 | 730 | |
731 | } | |
732 | ||
733 | //_____________________________________________________________________________ | |
19f796ed | 734 | void AliACORDEv0::AddHit(Int_t track, Int_t *vol, Float_t *hits) |
b86e74f5 | 735 | { |
736 | // | |
19f796ed | 737 | // Add a ACORDE hit |
b86e74f5 | 738 | // |
19f796ed | 739 | TClonesArray &lhits = *fHits; |
740 | new(lhits[fNhits++]) AliACORDEhit(fIshunt,track,vol,hits); | |
b86e74f5 | 741 | } |
19f796ed | 742 |