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f9721da6 | 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 | // (V-zero) detector version 3 as designed by the Lyon group // | |
21 | // All comments should be sent to Brigitte CHEYNIS : // | |
22 | // b.cheynis@ipnl.in2p3.fr // | |
23 | // Geometry of the 4th of december 2003 // | |
24 | // (now 3 rings instead of 5 rings as in previous versions -budget // | |
25 | // cuts !! - therefore changes in cell dimensions and offsets) // | |
26 | // previous ring 1 and ring 2 become now ring 1 // | |
27 | // previous ring 3 and ring 4 become now ring 2 // | |
28 | // previous ring 5 becomes now ring 3 - both for Left and Right // | |
29 | // V0R (now V0C) sits between Z values -89.4 and -84.9 cm // | |
30 | // V0L (now V0A) sits between Z values +350.0 and +352.0 cm // | |
31 | // New coordinate system has been implemented in october 2003 // | |
32 | // // | |
33 | ////////////////////////////////////////////////////////////////////// | |
34 | ||
35 | // --- Standard libraries --- | |
36 | #include <Riostream.h> | |
37 | #include <stdlib.h> | |
38 | #include <string.h> | |
39 | ||
40 | // --- ROOT libraries --- | |
41 | #include <TClonesArray.h> | |
f9721da6 | 42 | #include <TGeometry.h> |
43 | #include <TLorentzVector.h> | |
44 | #include <TMath.h> | |
45 | #include <TNode.h> | |
46 | #include <TObjectTable.h> | |
47 | #include <TTUBE.h> | |
48 | #include <TTUBS.h> | |
49 | #include <TVirtualMC.h> | |
50 | #include <TParticle.h> | |
51 | ||
52 | // --- AliRoot header files --- | |
f9721da6 | 53 | #include "AliConst.h" |
254ef8f1 | 54 | #include "AliLog.h" |
55 | #include "AliMC.h" | |
f9721da6 | 56 | #include "AliMagF.h" |
254ef8f1 | 57 | #include "AliRun.h" |
f9721da6 | 58 | #include "AliVZEROLoader.h" |
59 | #include "AliVZEROdigit.h" | |
60 | #include "AliVZEROhit.h" | |
61 | #include "AliVZEROv3.h" | |
f9721da6 | 62 | |
63 | ClassImp(AliVZEROv3) | |
64 | ||
65 | //_____________________________________________________________________________ | |
0b2bea8b | 66 | AliVZEROv3:: AliVZEROv3():AliVZERO(), |
67 | fCellId(0), | |
68 | fTrackPosition(), | |
69 | fTrackMomentum(), | |
70 | fLightYield(93.75), | |
71 | fLightAttenuation(0.05), | |
72 | fnMeters(15.0), | |
73 | fFibToPhot(0.3) | |
f9721da6 | 74 | { |
75 | // Standard default constructor | |
76 | } | |
77 | ||
78 | //_____________________________________________________________________________ | |
79 | AliVZEROv3::AliVZEROv3(const char *name, const char *title): | |
0b2bea8b | 80 | AliVZERO(name,title), |
81 | fCellId(0), | |
82 | fTrackPosition(), | |
83 | fTrackMomentum(), | |
84 | fLightYield(93.75), | |
85 | fLightAttenuation(0.05), | |
86 | fnMeters(15.0), | |
87 | fFibToPhot(0.3) | |
f9721da6 | 88 | { |
89 | ||
90 | // Standard constructor for V-zero Detector version 2 | |
91 | ||
254ef8f1 | 92 | AliDebug(2,"Create VZERO object"); |
f9721da6 | 93 | |
0b2bea8b | 94 | // fLightYield = 93.75; |
95 | // fLightAttenuation = 0.05; | |
96 | // fnMeters = 15.0; | |
97 | // fFibToPhot = 0.3; | |
f9721da6 | 98 | |
99 | } | |
100 | ||
101 | //_____________________________________________________________________________ | |
102 | void AliVZEROv3::CreateGeometry() | |
103 | { | |
104 | ||
105 | // Creates the GEANT geometry of the V-zero Detector version 3 | |
106 | ||
254ef8f1 | 107 | AliDebug(2,"Create VZERO Geometry"); |
f9721da6 | 108 | |
109 | Int_t *idtmed = fIdtmed->GetArray()-2999; | |
110 | ||
111 | Int_t ndetR = 1; | |
112 | Int_t ndetL = 1; | |
113 | ||
114 | Int_t ncellsR = 1; | |
115 | Int_t ncellsL = 1; | |
116 | ||
117 | Int_t idrotm[999]; | |
118 | ||
119 | Float_t height1Right, height2Right, height3Right; | |
120 | Float_t heightRight; | |
121 | Float_t theta; | |
122 | ||
123 | Float_t halfThickQua; | |
124 | ||
125 | Float_t zdet; | |
126 | Float_t r0Right, r3Right; | |
127 | Float_t pi = TMath::Pi(); | |
128 | ||
129 | height1Right = 1.82 + 3.81; // height of cell 1, in cm | |
130 | height2Right = 4.72 + 7.12; // height of cell 2, in cm | |
131 | height3Right = 10.83; // height of cell 3, in cm | |
132 | ||
133 | theta = pi/6.0/2.0; // half angular opening = 15 degrees | |
134 | ||
135 | halfThickQua= fThickness1/2.0; // half thickness of elementary cell (inner ring) | |
136 | ||
137 | // distance 0.6 cm in zdet accounts for the fact V0R box back lid sits 0.6 away from | |
138 | // absorber nose sitting at 90 cm. Will use -zdet later... | |
139 | // size of V0R box (fThickness) is increased by 1 mm as compared to version v2 | |
140 | ||
141 | fThickness = fThickness + 0.1; | |
142 | zdet = 90.0 - 0.6 - fThickness/2.0; // distance to vertex (along Z axis) | |
143 | r0Right = 4.05; // closest distance to center of the beam pipe | |
144 | heightRight = height1Right + height2Right + height3Right; | |
145 | r3Right = r0Right + heightRight; | |
146 | ||
147 | // Creation of mother volume v0LE - left part - : | |
148 | // Entrance face at +350.0 cm (new coordinate system) ... | |
149 | ||
150 | Float_t partube[3]; | |
151 | ||
152 | partube[0] = 4.3; | |
153 | partube[1] = 45.0; | |
154 | partube[2] = fThickness1/2.0; | |
155 | ||
156 | gMC->Gsvolu("V0LE","TUBE",idtmed[3005],partube,3); | |
157 | ||
158 | // Creation of five rings - left part - : | |
159 | // Entrance face at +350.0 cm (new coordinate system) ... | |
160 | ||
161 | // Mother volume v0L0 in which will be set 5 scintillator cells | |
162 | ||
163 | Float_t partubs[5]; | |
164 | ||
165 | Float_t r0Left = 4.3; | |
166 | Float_t height1Left = 2.6 + 4.1; // previous ring 1 + ring 2 | |
167 | Float_t height2Left = 6.4 + 10.2; // previous ring 3 + ring 4 | |
168 | Float_t height3Left = 16.9; | |
169 | Float_t heightLeft = height1Left + height2Left + height3Left; | |
170 | ||
171 | Float_t r3Left = r0Left + heightLeft; | |
172 | ||
173 | partubs[0] = r0Left; | |
174 | partubs[1] = r3Left; | |
175 | partubs[2] = fThickness1/2.0; | |
176 | partubs[3] = 90.0-15.0; | |
177 | partubs[4] = 120.0-15.0; | |
178 | ||
179 | gMC->Gsvolu("V0L0","TUBS",idtmed[3010],partubs,5); // air volume | |
180 | ||
181 | Float_t r1Left = r0Left + height1Left; | |
182 | ||
183 | partubs[0] = r0Left; | |
184 | partubs[1] = r1Left; | |
185 | ||
186 | gMC->Gsvolu("V0L1","TUBS",idtmed[3005],partubs,5); // quartz volume | |
187 | gMC->Gspos("V0L1",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY"); | |
188 | ||
189 | Float_t r2Left = r1Left + height2Left; | |
190 | ||
191 | partubs[0] = r1Left; | |
192 | partubs[1] = r2Left; | |
193 | ||
194 | gMC->Gsvolu("V0L2","TUBS",idtmed[3005],partubs,5); // quartz volume | |
195 | gMC->Gspos("V0L2",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY"); | |
196 | ||
197 | partubs[0] = r2Left; | |
198 | partubs[1] = r3Left; | |
199 | ||
200 | gMC->Gsvolu("V0L3","TUBS",idtmed[3005],partubs,5); // quartz volume | |
201 | gMC->Gspos("V0L3",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY"); | |
202 | ||
203 | ||
204 | // Creation of mother volume v0RI - right part - : | |
205 | ||
206 | partube[0] = r0Right - 0.2; | |
207 | partube[1] = r3Right + 1.0; | |
208 | partube[2] = fThickness/2.0; | |
209 | ||
210 | gMC->Gsvolu("V0RI","TUBE",idtmed[3010],partube,3); | |
211 | ||
212 | // Creation of carbon lids (3.5 mm thick) to keep v0RI box shut... | |
213 | ||
214 | Float_t lidThickness = 0.35; | |
215 | ||
216 | partube[0] = r0Right; | |
217 | partube[1] = r3Right; | |
218 | partube[2] = +lidThickness/2.0; | |
219 | ||
220 | gMC->Gsvolu("V0CA","TUBE",idtmed[3001],partube,3); | |
221 | gMC->Gspos("V0CA",1,"V0RI",0.0,0.0, fThickness/2.0-partube[2],0,"ONLY"); | |
222 | gMC->Gspos("V0CA",2,"V0RI",0.0,0.0,-fThickness/2.0+partube[2],0,"ONLY"); | |
223 | ||
224 | // Creation of aluminum rings to maintain the v0RI pieces ... | |
225 | ||
226 | partube[0] = r0Right - 0.2; | |
227 | partube[1] = r0Right; | |
228 | partube[2] = +fThickness/2.0; | |
229 | ||
230 | gMC->Gsvolu("V0IR","TUBE",idtmed[3003],partube,3); | |
231 | gMC->Gspos("V0IR",1,"V0RI",0.0,0.0,0.0,0,"ONLY"); | |
232 | ||
233 | partube[0] = r3Right; | |
234 | partube[1] = r3Right + 1.0; | |
235 | partube[2] = +fThickness/2.0; | |
236 | ||
237 | gMC->Gsvolu("V0ER","TUBE",idtmed[3003],partube,3); | |
238 | gMC->Gspos("V0ER",1,"V0RI",0.0,0.0,0.0,0,"ONLY"); | |
239 | ||
240 | // Mother volume v0R0 in which will be set 3 scintillator cells | |
241 | ||
242 | partubs[0] = r0Right; | |
243 | partubs[1] = r3Right; | |
244 | partubs[2] = fThickness/2.0; | |
245 | partubs[3] = 90.0-15.0; | |
246 | partubs[4] = 120.0-15.0; | |
247 | ||
248 | gMC->Gsvolu("V0R0","TUBS",idtmed[3010],partubs,5); // air volume | |
249 | ||
250 | // Elementary cell of ring 1 : | |
251 | // (cells of ring 1 will be shifted by 1.7 cm towards vertex to output fibers) | |
252 | ||
253 | Float_t offsetFibers = 1.7; | |
254 | Float_t offset = fThickness/2.0 - lidThickness - fThickness1/2.0; | |
255 | Float_t r1Right = r0Right + height1Right; | |
256 | ||
257 | partubs[0] = r0Right; | |
258 | partubs[1] = r1Right; | |
259 | partubs[2] = fThickness1/2.0; | |
260 | ||
261 | gMC->Gsvolu("V0R1","TUBS",idtmed[3005],partubs,5); // scintillator volume | |
262 | gMC->Gspos("V0R1",1,"V0R0", 0.0, 0.0 , -offset + offsetFibers, 0,"ONLY"); | |
263 | ||
264 | // Elementary cell of ring 2 : | |
265 | ||
266 | Float_t r2Right = r1Right + height2Right; | |
267 | ||
268 | partubs[0] = r1Right; | |
269 | partubs[1] = r2Right; | |
270 | ||
271 | gMC->Gsvolu("V0R2","TUBS",idtmed[3005],partubs,5); // scintillator volume | |
272 | gMC->Gspos("V0R2",1,"V0R0", 0.0, 0.0 , -offset, 0,"ONLY"); | |
273 | ||
274 | ||
275 | // Elementary cell of ring 3 : | |
276 | ||
277 | partubs[0] = r2Right; | |
278 | partubs[1] = r3Right; | |
279 | ||
280 | gMC->Gsvolu("V0R3","TUBS",idtmed[3005],partubs,5); // scintillator volume | |
281 | gMC->Gspos("V0R3",1,"V0R0", 0.0, 0.0 , -offset, 0,"ONLY"); | |
282 | ||
283 | ||
284 | Float_t phiDeg = 180./6.; | |
285 | ||
286 | // Right part : | |
287 | ||
288 | for(Float_t phi = 15.0 ; phi < 360.0; phi = phi + phiDeg) | |
289 | { | |
290 | AliMatrix(idrotm[902], 90.0, phi, 90.0, 90.0 +phi, 0.0 , 0.0); | |
291 | gMC->Gspos("V0R0",ndetR,"V0RI",0.0, | |
292 | 0.0,0.0,idrotm[902],"ONLY"); | |
293 | ndetR++; | |
294 | } | |
295 | ||
296 | gMC->Gspos("V0RI",1,"ALIC",0.0,0.0,-zdet,0,"ONLY"); | |
297 | ||
298 | ncellsR = (ndetR - 1) * 3; | |
254ef8f1 | 299 | AliInfo(Form("Number of cells on Right side = %d",ncellsR)); |
f9721da6 | 300 | |
301 | // Left part : | |
302 | ||
303 | for(Float_t phi = 15.0 ; phi < 360.0; phi = phi + phiDeg) | |
304 | { | |
305 | AliMatrix(idrotm[902], 90.0, phi, 90.0, 90.0 +phi, 0.0 , 0.0); | |
306 | gMC->Gspos("V0L0",ndetL,"V0LE",0.0, | |
307 | 0.0,0.0,idrotm[902],"ONLY"); | |
308 | ndetL++; | |
309 | } | |
310 | ||
311 | gMC->Gspos("V0LE",1,"ALIC",0.0,0.0,350.0+fThickness1/2.0,0,"ONLY"); | |
312 | ||
313 | ncellsL = (ndetL - 1) * 3; | |
254ef8f1 | 314 | AliInfo(Form("Number of cells on Left side = %d", ncellsL)); |
f9721da6 | 315 | |
316 | } | |
317 | ||
318 | //_____________________________________________________________________________ | |
319 | void AliVZEROv3::BuildGeometry() | |
320 | { | |
321 | ||
322 | // Builds simple ROOT TNode geometry for event display | |
323 | ||
254ef8f1 | 324 | AliDebug(2,"VZERO BuildGeometry"); |
f9721da6 | 325 | |
326 | TNode *top; | |
327 | ||
328 | TNode *v0Rnode, *v0Rnode0, *v0Rnode6 , *v0Rnode7, *v0Rnode8, *v0Rnode9; | |
329 | TNode *v0Rnode1, *v0Rnode2, *v0Rnode3; | |
330 | TNode *v0Lnode, *v0Lnode0; | |
331 | TNode *v0Lnode1, *v0Lnode2, *v0Lnode3; | |
332 | ||
333 | const int kColorVZERO = kGreen; | |
334 | ||
335 | top = gAlice->GetGeometry()->GetNode("alice"); | |
336 | ||
337 | Float_t height1Right, height2Right, height3Right; | |
338 | Float_t heightRight; | |
339 | Float_t theta; | |
340 | ||
341 | Float_t halfThickQua; | |
342 | Float_t zdet; | |
343 | Float_t r0Right, r3Right; | |
344 | Float_t pi = TMath::Pi(); | |
345 | ||
346 | height1Right = 1.82 + 3.81; // height of cell 1, in cm | |
347 | height2Right = 4.72 + 7.12; // height of cell 2, in cm | |
348 | height3Right = 10.83; // height of cell 3, in cm | |
349 | ||
350 | theta = pi/6.0/2.0; | |
351 | ||
352 | halfThickQua = fThickness1/2.0; | |
353 | ||
354 | zdet = 90.0 - 0.6 - fThickness/2.0; | |
355 | r0Right = 4.05; | |
356 | heightRight = height1Right + height2Right + height3Right; | |
357 | r3Right = r0Right + heightRight; | |
358 | ||
359 | Int_t ndiv = 1; | |
360 | ||
361 | Float_t partube[3]; | |
362 | ||
363 | partube[0] = r0Right - 0.2; | |
364 | partube[1] = r3Right + 1.0; | |
365 | partube[2] = fThickness/2.0; | |
366 | ||
367 | TTUBE *v0RI = new TTUBE("V0RI", "V0RI", "void", partube[0], partube[1], partube[2]); | |
368 | ||
369 | top->cd(); | |
370 | ||
371 | v0Rnode = new TNode("V0RI","V0RI",v0RI,0.0,0.0,-zdet,0); | |
372 | ||
373 | v0Rnode->SetLineColor(kYellow); | |
374 | fNodes->Add(v0Rnode); | |
375 | v0Rnode->SetVisibility(2); | |
376 | ||
377 | // Rondelles de carbone (epaisseur 3.5 mm) de maintien des cellules ... | |
378 | ||
379 | Float_t lidThickness = 0.35; | |
380 | ||
381 | partube[0] = r0Right; | |
382 | partube[1] = r3Right; | |
383 | partube[2] = +lidThickness/2.0; | |
384 | ||
385 | TTUBE *v0CA = new TTUBE("V0CA", "V0CA", "void",partube[0], partube[1], partube[2]); | |
386 | ||
387 | v0Rnode->cd(); | |
388 | v0Rnode6 = new TNode("V0CA", "V0CA",v0CA,0.0,0.0, fThickness/2.0-partube[2],0); | |
389 | v0Rnode6->SetLineColor(kYellow); | |
390 | fNodes->Add(v0Rnode6); | |
391 | v0Rnode->cd(); | |
392 | v0Rnode7 = new TNode("V0CA", "V0CA",v0CA,0.0,0.0,-fThickness/2.0+partube[2],0); | |
393 | v0Rnode7->SetLineColor(kYellow); | |
394 | fNodes->Add(v0Rnode7); | |
395 | ||
396 | partube[0] = r0Right - 0.2; | |
397 | partube[1] = r0Right; | |
398 | partube[2] = +fThickness/2.0; | |
399 | ||
400 | TTUBE *v0IR = new TTUBE("V0IR","V0IR","void", partube[0], partube[1], partube[2]); | |
401 | ||
402 | v0Rnode->cd(); | |
403 | v0Rnode8 = new TNode("V0IR", "V0IR",v0IR,0.0,0.0,0.0,0); | |
404 | v0Rnode8->SetLineColor(kYellow); | |
405 | fNodes->Add(v0Rnode8); | |
406 | ||
407 | partube[0] = r3Right; | |
408 | partube[1] = r3Right + 1.0; | |
409 | partube[2] = +fThickness/2.0; | |
410 | ||
411 | TTUBE *v0ER = new TTUBE("V0ER","V0ER","void", partube[0], partube[1], partube[2]); | |
412 | ||
413 | v0Rnode->cd(); | |
414 | v0Rnode9 = new TNode("V0ER", "V0ER",v0ER,0.0,0.0,0.0,0); | |
415 | v0Rnode9->SetLineColor(kYellow); | |
416 | fNodes->Add(v0Rnode9); | |
417 | ||
418 | Float_t partubs[5]; | |
419 | ||
420 | partubs[0] = r0Right; | |
421 | partubs[1] = r3Right; | |
422 | partubs[2] = fThickness/2.0; | |
423 | partubs[3] = 90.0-15.0; | |
424 | partubs[4] = 120.0-15.0; | |
425 | ||
426 | TTUBS *v0R0 = new TTUBS("V0R0", "V0R0", "void",partubs[0], partubs[1], partubs[2], | |
427 | partubs[3], partubs[4]); | |
428 | ||
429 | v0R0->SetNumberOfDivisions(ndiv); | |
430 | ||
431 | Float_t r1Right = r0Right + height1Right; | |
432 | Float_t offset = fThickness/2.0 - lidThickness - fThickness1/2.0; | |
433 | Float_t offsetFibers = 1.7; | |
434 | ||
435 | partubs[0] = r0Right; | |
436 | partubs[1] = r1Right; | |
437 | partubs[2] = fThickness1/2.0; | |
438 | ||
439 | TTUBS *v0R1 = new TTUBS("V0R1", "V0R1", "void", partubs[0], partubs[1], partubs[2], | |
440 | partubs[3], partubs[4]); | |
441 | ||
442 | v0R1->SetNumberOfDivisions(ndiv); | |
443 | ||
444 | Float_t r2Right = r1Right + height2Right; | |
445 | ||
446 | partubs[0] = r1Right; | |
447 | partubs[1] = r2Right; | |
448 | ||
449 | TTUBS *v0R2 = new TTUBS("V0R2", "V0R2", "void", partubs[0], partubs[1], partubs[2], | |
450 | partubs[3], partubs[4]); | |
451 | ||
452 | v0R2->SetNumberOfDivisions(ndiv); | |
453 | ||
454 | partubs[0] = r2Right; | |
455 | partubs[1] = r3Right; | |
456 | ||
457 | TTUBS *v0R3 = new TTUBS("V0R3", "V0R3", "void", partubs[0], partubs[1], partubs[2], | |
458 | partubs[3], partubs[4]); | |
459 | v0R3->SetNumberOfDivisions(ndiv); | |
460 | ||
461 | Float_t phi; | |
462 | Float_t phiDeg= 180./6.; | |
463 | ||
464 | Int_t ndetR = 1; | |
465 | ||
466 | char nameNode[12]; | |
467 | ||
468 | for (phi = 15.0; phi < 360.0; phi = phi + phiDeg) | |
469 | ||
470 | { | |
471 | ||
472 | TRotMatrix* mat920 = new TRotMatrix("rot920","rot920", 90.0, +phi, 90., 90.+phi, 0.0, 0.0 ); | |
473 | ||
474 | sprintf(nameNode,"SUBDER%d",ndetR); | |
475 | ||
476 | v0Rnode->cd(); | |
477 | v0Rnode0 = new TNode(nameNode,nameNode,v0R0,0.0,0.0, 0.0,mat920); | |
478 | v0Rnode0->SetLineColor(kYellow); | |
479 | fNodes->Add(v0Rnode0); | |
480 | ndetR++; | |
481 | ||
482 | sprintf(nameNode,"SUBDER%d",ndetR); | |
483 | v0Rnode0->cd(); | |
484 | v0Rnode1 = new TNode(nameNode,nameNode,v0R1,0.0,0.0, -offset+ offsetFibers ,0); | |
485 | v0Rnode1->SetLineColor(kColorVZERO); | |
486 | fNodes->Add(v0Rnode1); | |
487 | ndetR++; | |
488 | ||
489 | sprintf(nameNode,"SUBDER%d",ndetR); | |
490 | v0Rnode0->cd(); | |
491 | v0Rnode2 = new TNode(nameNode,nameNode,v0R2,0.0,0.0, -offset,0); | |
492 | v0Rnode2->SetLineColor(kColorVZERO); | |
493 | fNodes->Add(v0Rnode2); | |
494 | ndetR++; | |
495 | ||
496 | sprintf(nameNode,"SUBDER%d",ndetR); | |
497 | v0Rnode0->cd(); | |
498 | v0Rnode3 = new TNode(nameNode,nameNode,v0R3,0.0,0.0, -offset,0); | |
499 | v0Rnode3->SetLineColor(kColorVZERO); | |
500 | fNodes->Add(v0Rnode3); | |
501 | ndetR++; | |
502 | ||
503 | v0Rnode0->SetVisibility(2); | |
504 | ||
505 | } | |
506 | ||
507 | // Left side of VZERO : | |
508 | ||
509 | Float_t r0Left = 4.3; | |
510 | Float_t height1Left = 2.6 + 4.1; | |
511 | Float_t height2Left = 6.4 + 10.2; | |
512 | Float_t height3Left = 16.9; | |
513 | Float_t heightLeft = height1Left + height2Left + height3Left; | |
514 | ||
515 | Float_t r3Left = r0Left + heightLeft; | |
516 | ||
517 | partube[0] = r0Left; | |
518 | partube[1] = r3Left; | |
519 | partube[2] = fThickness1/2.0; | |
520 | ||
521 | TTUBE *v0LE = new TTUBE("V0LE", "V0LE", "void", partube[0], partube[1], partube[2]); | |
522 | ||
523 | top->cd(); | |
524 | ||
525 | v0Lnode = new TNode("V0LE","V0LE",v0LE,0.0,0.0,350.0+fThickness1/2.0,0); | |
526 | ||
527 | v0Lnode->SetLineColor(kBlue); | |
528 | fNodes->Add(v0Lnode); | |
529 | ||
530 | v0Lnode->SetVisibility(2); | |
531 | ||
532 | partubs[0] = r0Left; | |
533 | partubs[1] = r3Left; | |
534 | partubs[2] = fThickness1/2.0; | |
535 | partubs[3] = 90.0-15.0; | |
536 | partubs[4] = 120.0-15.0; | |
537 | ||
538 | TTUBS *v0L0 = new TTUBS("V0L0", "V0L0", "void", partubs[0], partubs[1], partubs[2], | |
539 | partubs[3], partubs[4]); | |
540 | ||
541 | v0L0->SetNumberOfDivisions(ndiv); | |
542 | v0L0->SetLineColor(7); | |
543 | ||
544 | Float_t offsetLeft; | |
545 | offsetLeft = - fThickness1/2.0; | |
546 | ||
547 | Float_t r1Left = r0Left + height1Left; | |
548 | ||
549 | partubs[0] = r0Left; | |
550 | partubs[1] = r1Left; | |
551 | ||
552 | TTUBS *v0L1 = new TTUBS("V0L1", "V0L1", "void", partubs[0], partubs[1], partubs[2], | |
553 | partubs[3], partubs[4]); | |
554 | v0L1->SetNumberOfDivisions(ndiv); | |
555 | ||
556 | Float_t r2Left = r1Left + height2Left; | |
557 | ||
558 | partubs[0] = r1Left; | |
559 | partubs[1] = r2Left; | |
560 | ||
561 | TTUBS *v0L2 = new TTUBS("V0L2", "V0L2", "void", partubs[0], partubs[1], partubs[2], | |
562 | partubs[3], partubs[4]); | |
563 | v0L2->SetNumberOfDivisions(ndiv); | |
564 | ||
565 | partubs[0] = r2Left; | |
566 | partubs[1] = r3Left; | |
567 | ||
568 | TTUBS *v0L3 = new TTUBS("V0L3", "V0L3", "void", partubs[0], partubs[1], partubs[2], | |
569 | partubs[3], partubs[4]); | |
570 | v0L3->SetNumberOfDivisions(ndiv); | |
571 | ||
572 | Int_t ndetL = 1; | |
573 | ||
574 | for (phi = 15.0; phi < 360.0; phi = phi + phiDeg) | |
575 | ||
576 | { | |
577 | ||
578 | TRotMatrix* mat920 = new TRotMatrix("rot920","rot920", 90.0, +phi, 90., 90.+phi, 0.0, 0.0 ); | |
579 | ||
580 | ||
581 | sprintf(nameNode,"SUBDEL%d",ndetL); | |
582 | ||
583 | v0Lnode->cd(); | |
584 | v0Lnode0 = new TNode(nameNode,nameNode,v0L0,0.0,0.0, offsetLeft + halfThickQua,mat920); | |
585 | v0Lnode0->SetLineColor(kColorVZERO); | |
586 | fNodes->Add(v0Lnode0); | |
587 | ndetL++; | |
588 | ||
589 | sprintf(nameNode,"SUBDEL%d",ndetL); | |
590 | v0Lnode0->cd(); | |
591 | v0Lnode1 = new TNode(nameNode,nameNode,v0L1,0.0,0.0, 0.0,0); | |
592 | v0Lnode1->SetLineColor(kColorVZERO); | |
593 | fNodes->Add(v0Lnode1); | |
594 | ndetL++; | |
595 | ||
596 | sprintf(nameNode,"SUBDEL%d",ndetL); | |
597 | v0Lnode0->cd(); | |
598 | v0Lnode2 = new TNode(nameNode,nameNode,v0L2,0.0,0.0, 0.0,0); | |
599 | v0Lnode2->SetLineColor(kColorVZERO); | |
600 | fNodes->Add(v0Lnode2); | |
601 | ndetL++; | |
602 | ||
603 | sprintf(nameNode,"SUBDEL%d",ndetL); | |
604 | v0Lnode0->cd(); | |
605 | v0Lnode3 = new TNode(nameNode,nameNode,v0L3,0.0,0.0, 0.0,0); | |
606 | v0Lnode3->SetLineColor(kColorVZERO); | |
607 | fNodes->Add(v0Lnode3); | |
608 | ndetL++; | |
609 | ||
610 | v0Lnode0->SetVisibility(2); | |
611 | ||
612 | } | |
613 | ||
614 | } | |
615 | ||
616 | //_____________________________________________________________________________ | |
617 | void AliVZEROv3::CreateMaterials() | |
618 | { | |
619 | ||
620 | // Creates materials used for geometry | |
621 | ||
254ef8f1 | 622 | AliDebug(2,"VZERO create materials"); |
f9721da6 | 623 | |
624 | /* | |
625 | Float_t ppckov[14] = { 5.5e-9, 5.7e-9, 5.9e-9, 6.1e-9, 6.3e-9, 6.5e-9, 6.7e-9, | |
626 | 6.9e-9, 7.1e-9, 7.3e-9, 7.5e-9, 7.7e-9, 7.9e-9, 8.1e-9 }; | |
627 | ||
628 | ||
629 | Float_t ppckov_alu[14] = { 5.5e-9, 5.7e-9, 5.9e-9, 6.1e-9, 6.3e-9, 6.5e-9, 6.7e-9, | |
630 | 6.9e-9, 7.1e-9, 7.3e-9, 7.5e-9, 7.7e-9, 7.9e-9, 8.1e-9 }; | |
631 | ||
632 | Float_t rindex_quarz[14] = { 1.52398, 1.53090, 1.53835, 1.54641, 1.55513, 1.56458, | |
633 | 1.57488, 1.58611, 1.59842, 1.61197, 1.62696, 1.64362, | |
634 | 1.662295, 1.68337 }; | |
635 | ||
636 | Float_t absco_quarz[14] = { 105.8, 45.656, 35.665, 28.598, 25.007, 21.04, 17.525, | |
637 | 14.177, 9.282, 4.0925, 1.149, 0.3627, 0.1497, 0.05 }; | |
638 | ||
639 | Float_t effic_all[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. }; | |
640 | ||
641 | ||
642 | Float_t rindex_alu[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. }; | |
643 | ||
644 | ||
645 | Float_t absco_alu[14] = { 1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4, | |
646 | 1e-4,1e-4,1e-4,1e-4 }; | |
647 | Float_t effic_alu[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. }; | |
648 | ||
649 | */ | |
650 | ||
651 | Int_t *idtmed = fIdtmed->GetArray()-2999; | |
652 | ||
f9721da6 | 653 | |
654 | // Parameters related to Quarz (SiO2) : | |
655 | ||
656 | Float_t aqua[2], zqua[2], densqua, wmatqua[2]; | |
657 | Int_t nlmatqua; | |
658 | ||
659 | aqua[0] = 28.09; | |
660 | aqua[1] = 16.; | |
661 | zqua[0] = 14.; | |
662 | zqua[1] = 8.; | |
663 | densqua = 2.64; | |
664 | nlmatqua = -2; | |
665 | wmatqua[0] = 1.; | |
666 | wmatqua[1] = 2.; | |
667 | ||
668 | // Parameters related to aluminum sheets : | |
669 | ||
670 | Float_t aal = 26.98; | |
671 | Float_t zal = 13.00; | |
672 | Float_t densal= 2.7; | |
673 | Float_t radlal= 8.9; | |
674 | ||
675 | // Parameters related to scintillator CH : | |
676 | ||
677 | Float_t ascin[2] = {1.00794,12.011}; | |
678 | Float_t zscin[2] = {1.,6.}; | |
679 | Float_t wscin[2] = {1.,1.}; | |
680 | Float_t denscin = 1.032; | |
681 | ||
f7b3a79e | 682 | // AIR |
683 | ||
684 | Float_t aAir[4]={12.,14.,16.,36.}; | |
685 | Float_t zAir[4]={6.,7.,8.,18.}; | |
686 | Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827}; | |
687 | Float_t dAir = 1.20479E-3; | |
688 | ||
f9721da6 | 689 | // Definition of materials : |
f7b3a79e | 690 | |
691 | // AIR | |
692 | ||
693 | AliMixture( 1, "AIR A$", aAir,zAir,dAir,4,wAir); | |
694 | AliMixture(11, "AIR I$", aAir,zAir,dAir,4,wAir); | |
f9721da6 | 695 | AliMaterial( 2, "CARBON$" , 12.01, 6.0, 2.265, 18.8, 49.9, 0, 0); |
696 | AliMixture( 3, "QUA", aqua, zqua, densqua, nlmatqua, wmatqua); | |
697 | AliMaterial( 4, "ALUMINIUM1$", 26.98, 13., 2.7, 8.9, 37.2, 0, 0); | |
698 | AliMaterial( 5, "ALUMINIUM2$", aal, zal, densal, radlal, 0, 0, 0); | |
699 | ||
700 | AliMixture( 6, "Scintillator$",ascin,zscin,denscin,-2,wscin); | |
701 | ||
702 | ||
703 | Int_t iSXFLD = gAlice->Field()->Integ(); | |
704 | Float_t sXMGMX = gAlice->Field()->Max(); | |
705 | ||
706 | Float_t tmaxfd, stemax, deemax, epsil, stmin; | |
707 | ||
708 | tmaxfd = 10.; | |
709 | stemax = 0.1; | |
710 | deemax = 0.1; | |
711 | epsil = 0.001; | |
712 | stmin = 0.001; | |
713 | ||
714 | // Active Air : | |
715 | AliMedium(1, "ACTIVE AIR$", 1, 1, iSXFLD, sXMGMX, | |
716 | 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ; | |
717 | ||
718 | // Inactive air : | |
719 | ||
720 | AliMedium(11, "INACTIVE AIR$", 11, 0, iSXFLD, sXMGMX, | |
721 | 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ; | |
722 | ||
723 | AliMedium(2, "CARBON$ ", 2, 1, iSXFLD, sXMGMX, | |
724 | tmaxfd, stemax, deemax, epsil, stmin, 0, 0); | |
725 | ||
726 | AliMedium(3, "QUARZ$", 3, 1, iSXFLD, sXMGMX, | |
727 | tmaxfd, fMaxStepQua, fMaxDestepQua, epsil, stmin, 0, 0); | |
728 | ||
729 | AliMedium(4,"ALUMINUM1$",4, 1, iSXFLD, sXMGMX, | |
730 | tmaxfd, fMaxStepAlu, fMaxDestepAlu, epsil, stmin, 0, 0); | |
731 | ||
732 | ||
733 | AliMedium(5,"ALUMINUM2$",5, 1, iSXFLD, sXMGMX, | |
734 | tmaxfd, fMaxStepAlu, fMaxDestepAlu, epsil, stmin, 0, 0); | |
735 | ||
736 | AliMedium(6,"SCINTILLATOR$",6, 1, iSXFLD, sXMGMX, 10.0, 0.1, 0.1, 0.003, 0.003, 0, 0); | |
737 | ||
738 | gMC->Gstpar(idtmed[3000], "LOSS", 1.); // [3000] = air ACTIF [3010] = air INACTIF | |
739 | gMC->Gstpar(idtmed[3000], "HADR", 1.); | |
740 | gMC->Gstpar(idtmed[3000], "DCAY", 1.); | |
741 | gMC->Gstpar(idtmed[3000], "DRAY", 1.); | |
742 | ||
743 | gMC->Gstpar(idtmed[3001], "LOSS", 1.); // [3001] = carbon | |
744 | gMC->Gstpar(idtmed[3001], "HADR", 1.); | |
745 | gMC->Gstpar(idtmed[3001], "DCAY", 1.); | |
746 | gMC->Gstpar(idtmed[3001], "DRAY", 1.); | |
747 | ||
748 | gMC->Gstpar(idtmed[3002], "LOSS", 1.); // [3002] = quartz | |
749 | gMC->Gstpar(idtmed[3002], "HADR", 1.); | |
750 | gMC->Gstpar(idtmed[3002], "DCAY", 1.); | |
751 | gMC->Gstpar(idtmed[3002], "DRAY", 1.); | |
752 | gMC->Gstpar(idtmed[3002], "CUTGAM",0.5E-4) ; | |
753 | gMC->Gstpar(idtmed[3002], "CUTELE",1.0E-4) ; | |
754 | ||
755 | gMC->Gstpar(idtmed[3003], "LOSS", 1.); // [3003] = normal aluminum | |
756 | gMC->Gstpar(idtmed[3003], "HADR", 1.); | |
757 | gMC->Gstpar(idtmed[3003], "DCAY", 1.); | |
758 | gMC->Gstpar(idtmed[3003], "DRAY", 1.); | |
759 | ||
760 | gMC->Gstpar(idtmed[3004], "LOSS", 1.); // [3004] = reflecting aluminum | |
761 | gMC->Gstpar(idtmed[3004], "HADR", 1.); | |
762 | gMC->Gstpar(idtmed[3004], "DCAY", 1.); | |
763 | gMC->Gstpar(idtmed[3004], "DRAY", 1.); | |
764 | gMC->Gstpar(idtmed[3004], "CUTGAM",0.5E-4) ; | |
765 | gMC->Gstpar(idtmed[3004], "CUTELE",1.0E-4) ; | |
766 | ||
767 | gMC->Gstpar(idtmed[3005], "LOSS", 1.); // [3005] = scintillator | |
768 | gMC->Gstpar(idtmed[3005], "HADR", 1.); | |
769 | gMC->Gstpar(idtmed[3005], "DCAY", 1.); | |
770 | gMC->Gstpar(idtmed[3005], "DRAY", 1.); | |
771 | gMC->Gstpar(idtmed[3005], "CUTGAM",0.5E-4) ; | |
772 | gMC->Gstpar(idtmed[3005], "CUTELE",1.0E-4) ; | |
773 | ||
774 | ||
775 | // geant3->Gsckov(idtmed[3002], 14, ppckov, absco_quarz, effic_all,rindex_quarz); | |
776 | // geant3->Gsckov(idtmed[3004], 14, ppckov_alu, absco_alu, effic_alu, rindex_alu); | |
777 | ||
778 | // gMC->SetCerenkov(idtmed[3002], 14, ppckov, absco_quarz, effic_all,rindex_quarz); | |
779 | // gMC->SetCerenkov(idtmed[3004], 14, ppckov_alu, absco_alu, effic_alu, rindex_alu); | |
780 | ||
781 | } | |
782 | ||
783 | //_____________________________________________________________________________ | |
ba380e33 | 784 | void AliVZEROv3::DrawModule() const |
f9721da6 | 785 | { |
786 | ||
787 | // Drawing is done in DrawVZERO.C | |
788 | ||
254ef8f1 | 789 | AliDebug(2,"VZERO DrawModule"); |
f9721da6 | 790 | |
791 | } | |
792 | ||
793 | //_____________________________________________________________________________ | |
794 | void AliVZEROv3::Init() | |
795 | { | |
796 | // Initialises version 2 of the VZERO Detector | |
797 | // Just prints an information message | |
798 | ||
254ef8f1 | 799 | AliInfo(Form("VZERO version %d initialized",IsVersion())); |
f9721da6 | 800 | |
801 | // gMC->SetMaxStep(fMaxStepAlu); | |
802 | // gMC->SetMaxStep(fMaxStepQua); | |
803 | ||
804 | AliVZERO::Init(); | |
805 | ||
806 | } | |
807 | ||
808 | ||
809 | //_____________________________________________________________________________ | |
810 | void AliVZEROv3::StepManager() | |
811 | { | |
812 | ||
813 | // Step Manager, called at each step | |
814 | ||
815 | Int_t copy; | |
816 | static Int_t vol[4]; | |
817 | static Float_t hits[21]; | |
818 | static Float_t eloss, tlength; | |
f9721da6 | 819 | static Int_t nPhotonsInStep; |
820 | static Int_t nPhotons; | |
821 | static Int_t numStep; | |
822 | Float_t ringNumber; | |
823 | Float_t destep, step; | |
824 | ||
825 | numStep += 1; | |
826 | ||
827 | // We keep only charged tracks : | |
828 | ||
829 | if ( !gMC->TrackCharge() || !gMC->IsTrackAlive() ) return; | |
830 | ||
d6fb41ac | 831 | static Int_t idV0R1 = gMC->VolId("V0R1"); |
832 | static Int_t idV0L1 = gMC->VolId("V0L1"); | |
833 | static Int_t idV0R2 = gMC->VolId("V0R2"); | |
834 | static Int_t idV0L2 = gMC->VolId("V0L2"); | |
835 | static Int_t idV0R3 = gMC->VolId("V0R3"); | |
836 | static Int_t idV0L3 = gMC->VolId("V0L3"); | |
837 | ||
f9721da6 | 838 | vol[0] = gMC->CurrentVolOffID(1, vol[1]); |
839 | vol[2] = gMC->CurrentVolID(copy); | |
840 | vol[3] = copy; | |
841 | ||
d6fb41ac | 842 | if ( gMC->CurrentVolID(copy) == idV0R1 || |
843 | gMC->CurrentVolID(copy) == idV0L1 ) | |
f9721da6 | 844 | ringNumber = 1.0; |
d6fb41ac | 845 | else if ( gMC->CurrentVolID(copy) == idV0R2 || |
846 | gMC->CurrentVolID(copy) == idV0L2 ) | |
f9721da6 | 847 | ringNumber = 2.0; |
d6fb41ac | 848 | else if ( gMC->CurrentVolID(copy) == idV0R3 || |
849 | gMC->CurrentVolID(copy) == idV0L3 ) | |
f9721da6 | 850 | ringNumber = 3.0; |
851 | else | |
852 | ringNumber = 0.0; | |
853 | ||
854 | if ( ringNumber > 0.5 ) { | |
855 | ||
856 | destep = gMC->Edep(); | |
857 | step = gMC->TrackStep(); | |
858 | ||
859 | nPhotonsInStep = Int_t(destep / (fLightYield *1e-9) ); | |
860 | nPhotonsInStep = gRandom->Poisson(nPhotonsInStep); | |
861 | ||
862 | eloss += destep; | |
863 | tlength += step; | |
864 | ||
865 | if ( gMC->IsTrackEntering() ) { | |
866 | ||
867 | nPhotons = nPhotonsInStep; | |
868 | gMC->TrackPosition(fTrackPosition); | |
869 | gMC->TrackMomentum(fTrackMomentum); | |
870 | ||
871 | Float_t pt = TMath::Sqrt( fTrackMomentum.Px() * fTrackMomentum.Px() + | |
872 | fTrackMomentum.Py() * fTrackMomentum.Py() ); | |
873 | ||
874 | hits[0] = fTrackPosition.X(); | |
875 | hits[1] = fTrackPosition.Y(); | |
876 | hits[2] = fTrackPosition.Z(); | |
877 | hits[3] = Float_t (gMC->TrackPid()); | |
878 | ||
879 | hits[4] = gMC->TrackTime(); | |
880 | hits[5] = gMC->TrackCharge(); | |
881 | hits[6] = fTrackMomentum.Theta()*TMath::RadToDeg(); | |
882 | hits[7] = fTrackMomentum.Phi()*TMath::RadToDeg(); | |
883 | hits[8] = ringNumber; | |
884 | ||
885 | hits[9] = pt; | |
886 | hits[10] = fTrackMomentum.P(); | |
887 | hits[11] = fTrackMomentum.Px(); | |
888 | hits[12] = fTrackMomentum.Py(); | |
889 | hits[13] = fTrackMomentum.Pz(); | |
890 | ||
891 | TParticle *par = gAlice->GetMCApp()->Particle(gAlice->GetMCApp()->GetCurrentTrackNumber()); | |
892 | hits[14] = par->Vx(); | |
893 | hits[15] = par->Vy(); | |
894 | hits[16] = par->Vz(); | |
895 | ||
896 | tlength = 0.0; | |
897 | eloss = 0.0; | |
898 | ||
899 | } | |
900 | ||
901 | nPhotons = nPhotons + nPhotonsInStep; | |
902 | ||
903 | if( gMC->IsTrackExiting() || gMC->IsTrackStop() || gMC->IsTrackDisappeared()){ | |
904 | ||
905 | nPhotons = nPhotons - Int_t( (Float_t(nPhotons) * fLightAttenuation * fnMeters) ); | |
906 | nPhotons = nPhotons - Int_t( Float_t(nPhotons) * fFibToPhot ); | |
907 | ||
908 | hits[17] = eloss; | |
909 | hits[18] = tlength; | |
910 | hits[19] = nPhotons; | |
911 | hits[20] = GetCellId (vol, hits); | |
912 | ||
913 | AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits); | |
914 | ||
915 | tlength = 0.0; | |
916 | eloss = 0.0; | |
917 | nPhotons = 0; | |
918 | nPhotonsInStep = 0; | |
919 | ||
920 | numStep = 0; | |
921 | } | |
922 | } | |
923 | ||
924 | } | |
925 | ||
926 | //_____________________________________________________________________________ | |
927 | void AliVZEROv3::AddHit(Int_t track, Int_t *vol, Float_t *hits) | |
928 | { | |
929 | ||
930 | // Adds a VZERO hit | |
931 | ||
932 | TClonesArray &lhits = *fHits; | |
933 | new(lhits[fNhits++]) AliVZEROhit(fIshunt,track,vol,hits); | |
934 | } | |
935 | ||
936 | //_____________________________________________________________________________ | |
937 | void AliVZEROv3::AddDigits(Int_t *tracks, Int_t* digits) | |
938 | { | |
939 | ||
940 | // Adds a VZERO digit | |
941 | ||
942 | TClonesArray &ldigits = *fDigits; | |
943 | new(ldigits[fNdigits++]) AliVZEROdigit(tracks, digits); | |
944 | } | |
945 | ||
946 | //_____________________________________________________________________________ | |
947 | void AliVZEROv3::MakeBranch(Option_t *option) | |
948 | { | |
949 | ||
950 | // Creates new branches in the current Root Tree | |
951 | ||
952 | char branchname[10]; | |
953 | sprintf(branchname,"%s",GetName()); | |
254ef8f1 | 954 | AliDebug(2,Form("fBufferSize = %d",fBufferSize)); |
f9721da6 | 955 | |
956 | const char *cH = strstr(option,"H"); | |
957 | ||
958 | if (fHits && TreeH() && cH) { | |
959 | TreeH()->Branch(branchname,&fHits, fBufferSize); | |
254ef8f1 | 960 | AliDebug(2,Form("Making Branch %s for hits",branchname)); |
f9721da6 | 961 | } |
962 | ||
963 | const char *cD = strstr(option,"D"); | |
964 | ||
965 | if (fDigits && fLoader->TreeD() && cD) { | |
966 | fLoader->TreeD()->Branch(branchname,&fDigits, fBufferSize); | |
254ef8f1 | 967 | AliDebug(2,Form("Making Branch %s for digits",branchname)); |
f9721da6 | 968 | } |
969 | ||
970 | } | |
971 | ||
972 | //_____________________________________________________________________________ | |
973 | Int_t AliVZEROv3::GetCellId(Int_t *vol, Float_t *hits) | |
974 | { | |
975 | ||
976 | // Returns Id of scintillator cell | |
977 | // Right side from 0 to 35 | |
978 | // Left side from 36 to 71 | |
979 | ||
980 | Int_t index = vol[1]; | |
981 | fCellId = 0; | |
982 | ||
983 | if (index < 10) index = index + 12; | |
984 | ||
985 | if (hits[2] < 0.0) { | |
986 | index = (index - 10) + ( ( Int_t(hits[8]) - 1 ) * 12); | |
987 | fCellId = index; | |
988 | } | |
989 | else if (hits[2] > 0.0) | |
990 | { | |
991 | index = (index + 26) + ( ( Int_t(hits[8]) - 1 ) * 12); | |
992 | fCellId = index;} | |
993 | ||
994 | return fCellId; | |
995 | } |