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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 --- | |
53 | #include "AliRun.h" | |
54 | #include "AliMC.h" | |
55 | #include "AliConst.h" | |
56 | #include "AliMagF.h" | |
57 | #include "AliVZEROLoader.h" | |
58 | #include "AliVZEROdigit.h" | |
59 | #include "AliVZEROhit.h" | |
60 | #include "AliVZEROv3.h" | |
f9721da6 | 61 | |
62 | ClassImp(AliVZEROv3) | |
63 | ||
64 | //_____________________________________________________________________________ | |
65 | AliVZEROv3:: AliVZEROv3():AliVZERO() | |
66 | { | |
67 | // Standard default constructor | |
68 | } | |
69 | ||
70 | //_____________________________________________________________________________ | |
71 | AliVZEROv3::AliVZEROv3(const char *name, const char *title): | |
72 | AliVZERO(name,title) | |
73 | { | |
74 | ||
75 | // Standard constructor for V-zero Detector version 2 | |
76 | ||
77 | Int_t i; | |
78 | ||
79 | printf("\n"); | |
80 | for(i=0;i<26;i++) printf("*"); | |
81 | printf(" Create VZERO object "); | |
82 | for(i=0;i<26;i++) printf("*"); | |
83 | printf("\n"); | |
84 | ||
85 | fLightYield = 93.75; | |
86 | fLightAttenuation = 0.05; | |
87 | fnMeters = 15.0; | |
88 | fFibToPhot = 0.3; | |
89 | ||
90 | } | |
91 | ||
92 | //_____________________________________________________________________________ | |
93 | void AliVZEROv3::CreateGeometry() | |
94 | { | |
95 | ||
96 | // Creates the GEANT geometry of the V-zero Detector version 3 | |
97 | ||
98 | Int_t i; | |
99 | ||
100 | printf("\n"); | |
101 | for(i=0;i<26;i++) printf("*"); | |
102 | printf(" Create VZERO Geometry "); | |
103 | for(i=0;i<26;i++) printf("*"); | |
104 | printf("\n"); | |
105 | ||
106 | Int_t *idtmed = fIdtmed->GetArray()-2999; | |
107 | ||
108 | Int_t ndetR = 1; | |
109 | Int_t ndetL = 1; | |
110 | ||
111 | Int_t ncellsR = 1; | |
112 | Int_t ncellsL = 1; | |
113 | ||
114 | Int_t idrotm[999]; | |
115 | ||
116 | Float_t height1Right, height2Right, height3Right; | |
117 | Float_t heightRight; | |
118 | Float_t theta; | |
119 | ||
120 | Float_t halfThickQua; | |
121 | ||
122 | Float_t zdet; | |
123 | Float_t r0Right, r3Right; | |
124 | Float_t pi = TMath::Pi(); | |
125 | ||
126 | height1Right = 1.82 + 3.81; // height of cell 1, in cm | |
127 | height2Right = 4.72 + 7.12; // height of cell 2, in cm | |
128 | height3Right = 10.83; // height of cell 3, in cm | |
129 | ||
130 | theta = pi/6.0/2.0; // half angular opening = 15 degrees | |
131 | ||
132 | halfThickQua= fThickness1/2.0; // half thickness of elementary cell (inner ring) | |
133 | ||
134 | // distance 0.6 cm in zdet accounts for the fact V0R box back lid sits 0.6 away from | |
135 | // absorber nose sitting at 90 cm. Will use -zdet later... | |
136 | // size of V0R box (fThickness) is increased by 1 mm as compared to version v2 | |
137 | ||
138 | fThickness = fThickness + 0.1; | |
139 | zdet = 90.0 - 0.6 - fThickness/2.0; // distance to vertex (along Z axis) | |
140 | r0Right = 4.05; // closest distance to center of the beam pipe | |
141 | heightRight = height1Right + height2Right + height3Right; | |
142 | r3Right = r0Right + heightRight; | |
143 | ||
144 | // Creation of mother volume v0LE - left part - : | |
145 | // Entrance face at +350.0 cm (new coordinate system) ... | |
146 | ||
147 | Float_t partube[3]; | |
148 | ||
149 | partube[0] = 4.3; | |
150 | partube[1] = 45.0; | |
151 | partube[2] = fThickness1/2.0; | |
152 | ||
153 | gMC->Gsvolu("V0LE","TUBE",idtmed[3005],partube,3); | |
154 | ||
155 | // Creation of five rings - left part - : | |
156 | // Entrance face at +350.0 cm (new coordinate system) ... | |
157 | ||
158 | // Mother volume v0L0 in which will be set 5 scintillator cells | |
159 | ||
160 | Float_t partubs[5]; | |
161 | ||
162 | Float_t r0Left = 4.3; | |
163 | Float_t height1Left = 2.6 + 4.1; // previous ring 1 + ring 2 | |
164 | Float_t height2Left = 6.4 + 10.2; // previous ring 3 + ring 4 | |
165 | Float_t height3Left = 16.9; | |
166 | Float_t heightLeft = height1Left + height2Left + height3Left; | |
167 | ||
168 | Float_t r3Left = r0Left + heightLeft; | |
169 | ||
170 | partubs[0] = r0Left; | |
171 | partubs[1] = r3Left; | |
172 | partubs[2] = fThickness1/2.0; | |
173 | partubs[3] = 90.0-15.0; | |
174 | partubs[4] = 120.0-15.0; | |
175 | ||
176 | gMC->Gsvolu("V0L0","TUBS",idtmed[3010],partubs,5); // air volume | |
177 | ||
178 | Float_t r1Left = r0Left + height1Left; | |
179 | ||
180 | partubs[0] = r0Left; | |
181 | partubs[1] = r1Left; | |
182 | ||
183 | gMC->Gsvolu("V0L1","TUBS",idtmed[3005],partubs,5); // quartz volume | |
184 | gMC->Gspos("V0L1",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY"); | |
185 | ||
186 | Float_t r2Left = r1Left + height2Left; | |
187 | ||
188 | partubs[0] = r1Left; | |
189 | partubs[1] = r2Left; | |
190 | ||
191 | gMC->Gsvolu("V0L2","TUBS",idtmed[3005],partubs,5); // quartz volume | |
192 | gMC->Gspos("V0L2",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY"); | |
193 | ||
194 | partubs[0] = r2Left; | |
195 | partubs[1] = r3Left; | |
196 | ||
197 | gMC->Gsvolu("V0L3","TUBS",idtmed[3005],partubs,5); // quartz volume | |
198 | gMC->Gspos("V0L3",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY"); | |
199 | ||
200 | ||
201 | // Creation of mother volume v0RI - right part - : | |
202 | ||
203 | partube[0] = r0Right - 0.2; | |
204 | partube[1] = r3Right + 1.0; | |
205 | partube[2] = fThickness/2.0; | |
206 | ||
207 | gMC->Gsvolu("V0RI","TUBE",idtmed[3010],partube,3); | |
208 | ||
209 | // Creation of carbon lids (3.5 mm thick) to keep v0RI box shut... | |
210 | ||
211 | Float_t lidThickness = 0.35; | |
212 | ||
213 | partube[0] = r0Right; | |
214 | partube[1] = r3Right; | |
215 | partube[2] = +lidThickness/2.0; | |
216 | ||
217 | gMC->Gsvolu("V0CA","TUBE",idtmed[3001],partube,3); | |
218 | gMC->Gspos("V0CA",1,"V0RI",0.0,0.0, fThickness/2.0-partube[2],0,"ONLY"); | |
219 | gMC->Gspos("V0CA",2,"V0RI",0.0,0.0,-fThickness/2.0+partube[2],0,"ONLY"); | |
220 | ||
221 | // Creation of aluminum rings to maintain the v0RI pieces ... | |
222 | ||
223 | partube[0] = r0Right - 0.2; | |
224 | partube[1] = r0Right; | |
225 | partube[2] = +fThickness/2.0; | |
226 | ||
227 | gMC->Gsvolu("V0IR","TUBE",idtmed[3003],partube,3); | |
228 | gMC->Gspos("V0IR",1,"V0RI",0.0,0.0,0.0,0,"ONLY"); | |
229 | ||
230 | partube[0] = r3Right; | |
231 | partube[1] = r3Right + 1.0; | |
232 | partube[2] = +fThickness/2.0; | |
233 | ||
234 | gMC->Gsvolu("V0ER","TUBE",idtmed[3003],partube,3); | |
235 | gMC->Gspos("V0ER",1,"V0RI",0.0,0.0,0.0,0,"ONLY"); | |
236 | ||
237 | // Mother volume v0R0 in which will be set 3 scintillator cells | |
238 | ||
239 | partubs[0] = r0Right; | |
240 | partubs[1] = r3Right; | |
241 | partubs[2] = fThickness/2.0; | |
242 | partubs[3] = 90.0-15.0; | |
243 | partubs[4] = 120.0-15.0; | |
244 | ||
245 | gMC->Gsvolu("V0R0","TUBS",idtmed[3010],partubs,5); // air volume | |
246 | ||
247 | // Elementary cell of ring 1 : | |
248 | // (cells of ring 1 will be shifted by 1.7 cm towards vertex to output fibers) | |
249 | ||
250 | Float_t offsetFibers = 1.7; | |
251 | Float_t offset = fThickness/2.0 - lidThickness - fThickness1/2.0; | |
252 | Float_t r1Right = r0Right + height1Right; | |
253 | ||
254 | partubs[0] = r0Right; | |
255 | partubs[1] = r1Right; | |
256 | partubs[2] = fThickness1/2.0; | |
257 | ||
258 | gMC->Gsvolu("V0R1","TUBS",idtmed[3005],partubs,5); // scintillator volume | |
259 | gMC->Gspos("V0R1",1,"V0R0", 0.0, 0.0 , -offset + offsetFibers, 0,"ONLY"); | |
260 | ||
261 | // Elementary cell of ring 2 : | |
262 | ||
263 | Float_t r2Right = r1Right + height2Right; | |
264 | ||
265 | partubs[0] = r1Right; | |
266 | partubs[1] = r2Right; | |
267 | ||
268 | gMC->Gsvolu("V0R2","TUBS",idtmed[3005],partubs,5); // scintillator volume | |
269 | gMC->Gspos("V0R2",1,"V0R0", 0.0, 0.0 , -offset, 0,"ONLY"); | |
270 | ||
271 | ||
272 | // Elementary cell of ring 3 : | |
273 | ||
274 | partubs[0] = r2Right; | |
275 | partubs[1] = r3Right; | |
276 | ||
277 | gMC->Gsvolu("V0R3","TUBS",idtmed[3005],partubs,5); // scintillator volume | |
278 | gMC->Gspos("V0R3",1,"V0R0", 0.0, 0.0 , -offset, 0,"ONLY"); | |
279 | ||
280 | ||
281 | Float_t phiDeg = 180./6.; | |
282 | ||
283 | // Right part : | |
284 | ||
285 | for(Float_t phi = 15.0 ; phi < 360.0; phi = phi + phiDeg) | |
286 | { | |
287 | AliMatrix(idrotm[902], 90.0, phi, 90.0, 90.0 +phi, 0.0 , 0.0); | |
288 | gMC->Gspos("V0R0",ndetR,"V0RI",0.0, | |
289 | 0.0,0.0,idrotm[902],"ONLY"); | |
290 | ndetR++; | |
291 | } | |
292 | ||
293 | gMC->Gspos("V0RI",1,"ALIC",0.0,0.0,-zdet,0,"ONLY"); | |
294 | ||
295 | ncellsR = (ndetR - 1) * 3; | |
296 | printf(" Number of cells on Right side = %d\n", ncellsR); | |
297 | ||
298 | // Left part : | |
299 | ||
300 | for(Float_t phi = 15.0 ; phi < 360.0; phi = phi + phiDeg) | |
301 | { | |
302 | AliMatrix(idrotm[902], 90.0, phi, 90.0, 90.0 +phi, 0.0 , 0.0); | |
303 | gMC->Gspos("V0L0",ndetL,"V0LE",0.0, | |
304 | 0.0,0.0,idrotm[902],"ONLY"); | |
305 | ndetL++; | |
306 | } | |
307 | ||
308 | gMC->Gspos("V0LE",1,"ALIC",0.0,0.0,350.0+fThickness1/2.0,0,"ONLY"); | |
309 | ||
310 | ncellsL = (ndetL - 1) * 3; | |
311 | printf(" Number of cells on Left side = %d\n", ncellsL); | |
312 | for(i=0;i<75;i++) printf("*"); | |
313 | printf("\n"); | |
314 | ||
315 | } | |
316 | ||
317 | //_____________________________________________________________________________ | |
318 | void AliVZEROv3::BuildGeometry() | |
319 | { | |
320 | ||
321 | // Builds simple ROOT TNode geometry for event display | |
322 | ||
323 | Int_t i; | |
324 | ||
325 | printf("\n"); | |
326 | for(i=0;i<30;i++) printf("*"); | |
327 | printf(" VZERO BuildGeometry "); | |
328 | for(i=0;i<30;i++) printf("*"); | |
329 | printf("\n"); | |
330 | ||
331 | TNode *top; | |
332 | ||
333 | TNode *v0Rnode, *v0Rnode0, *v0Rnode6 , *v0Rnode7, *v0Rnode8, *v0Rnode9; | |
334 | TNode *v0Rnode1, *v0Rnode2, *v0Rnode3; | |
335 | TNode *v0Lnode, *v0Lnode0; | |
336 | TNode *v0Lnode1, *v0Lnode2, *v0Lnode3; | |
337 | ||
338 | const int kColorVZERO = kGreen; | |
339 | ||
340 | top = gAlice->GetGeometry()->GetNode("alice"); | |
341 | ||
342 | Float_t height1Right, height2Right, height3Right; | |
343 | Float_t heightRight; | |
344 | Float_t theta; | |
345 | ||
346 | Float_t halfThickQua; | |
347 | Float_t zdet; | |
348 | Float_t r0Right, r3Right; | |
349 | Float_t pi = TMath::Pi(); | |
350 | ||
351 | height1Right = 1.82 + 3.81; // height of cell 1, in cm | |
352 | height2Right = 4.72 + 7.12; // height of cell 2, in cm | |
353 | height3Right = 10.83; // height of cell 3, in cm | |
354 | ||
355 | theta = pi/6.0/2.0; | |
356 | ||
357 | halfThickQua = fThickness1/2.0; | |
358 | ||
359 | zdet = 90.0 - 0.6 - fThickness/2.0; | |
360 | r0Right = 4.05; | |
361 | heightRight = height1Right + height2Right + height3Right; | |
362 | r3Right = r0Right + heightRight; | |
363 | ||
364 | Int_t ndiv = 1; | |
365 | ||
366 | Float_t partube[3]; | |
367 | ||
368 | partube[0] = r0Right - 0.2; | |
369 | partube[1] = r3Right + 1.0; | |
370 | partube[2] = fThickness/2.0; | |
371 | ||
372 | TTUBE *v0RI = new TTUBE("V0RI", "V0RI", "void", partube[0], partube[1], partube[2]); | |
373 | ||
374 | top->cd(); | |
375 | ||
376 | v0Rnode = new TNode("V0RI","V0RI",v0RI,0.0,0.0,-zdet,0); | |
377 | ||
378 | v0Rnode->SetLineColor(kYellow); | |
379 | fNodes->Add(v0Rnode); | |
380 | v0Rnode->SetVisibility(2); | |
381 | ||
382 | // Rondelles de carbone (epaisseur 3.5 mm) de maintien des cellules ... | |
383 | ||
384 | Float_t lidThickness = 0.35; | |
385 | ||
386 | partube[0] = r0Right; | |
387 | partube[1] = r3Right; | |
388 | partube[2] = +lidThickness/2.0; | |
389 | ||
390 | TTUBE *v0CA = new TTUBE("V0CA", "V0CA", "void",partube[0], partube[1], partube[2]); | |
391 | ||
392 | v0Rnode->cd(); | |
393 | v0Rnode6 = new TNode("V0CA", "V0CA",v0CA,0.0,0.0, fThickness/2.0-partube[2],0); | |
394 | v0Rnode6->SetLineColor(kYellow); | |
395 | fNodes->Add(v0Rnode6); | |
396 | v0Rnode->cd(); | |
397 | v0Rnode7 = new TNode("V0CA", "V0CA",v0CA,0.0,0.0,-fThickness/2.0+partube[2],0); | |
398 | v0Rnode7->SetLineColor(kYellow); | |
399 | fNodes->Add(v0Rnode7); | |
400 | ||
401 | partube[0] = r0Right - 0.2; | |
402 | partube[1] = r0Right; | |
403 | partube[2] = +fThickness/2.0; | |
404 | ||
405 | TTUBE *v0IR = new TTUBE("V0IR","V0IR","void", partube[0], partube[1], partube[2]); | |
406 | ||
407 | v0Rnode->cd(); | |
408 | v0Rnode8 = new TNode("V0IR", "V0IR",v0IR,0.0,0.0,0.0,0); | |
409 | v0Rnode8->SetLineColor(kYellow); | |
410 | fNodes->Add(v0Rnode8); | |
411 | ||
412 | partube[0] = r3Right; | |
413 | partube[1] = r3Right + 1.0; | |
414 | partube[2] = +fThickness/2.0; | |
415 | ||
416 | TTUBE *v0ER = new TTUBE("V0ER","V0ER","void", partube[0], partube[1], partube[2]); | |
417 | ||
418 | v0Rnode->cd(); | |
419 | v0Rnode9 = new TNode("V0ER", "V0ER",v0ER,0.0,0.0,0.0,0); | |
420 | v0Rnode9->SetLineColor(kYellow); | |
421 | fNodes->Add(v0Rnode9); | |
422 | ||
423 | Float_t partubs[5]; | |
424 | ||
425 | partubs[0] = r0Right; | |
426 | partubs[1] = r3Right; | |
427 | partubs[2] = fThickness/2.0; | |
428 | partubs[3] = 90.0-15.0; | |
429 | partubs[4] = 120.0-15.0; | |
430 | ||
431 | TTUBS *v0R0 = new TTUBS("V0R0", "V0R0", "void",partubs[0], partubs[1], partubs[2], | |
432 | partubs[3], partubs[4]); | |
433 | ||
434 | v0R0->SetNumberOfDivisions(ndiv); | |
435 | ||
436 | Float_t r1Right = r0Right + height1Right; | |
437 | Float_t offset = fThickness/2.0 - lidThickness - fThickness1/2.0; | |
438 | Float_t offsetFibers = 1.7; | |
439 | ||
440 | partubs[0] = r0Right; | |
441 | partubs[1] = r1Right; | |
442 | partubs[2] = fThickness1/2.0; | |
443 | ||
444 | TTUBS *v0R1 = new TTUBS("V0R1", "V0R1", "void", partubs[0], partubs[1], partubs[2], | |
445 | partubs[3], partubs[4]); | |
446 | ||
447 | v0R1->SetNumberOfDivisions(ndiv); | |
448 | ||
449 | Float_t r2Right = r1Right + height2Right; | |
450 | ||
451 | partubs[0] = r1Right; | |
452 | partubs[1] = r2Right; | |
453 | ||
454 | TTUBS *v0R2 = new TTUBS("V0R2", "V0R2", "void", partubs[0], partubs[1], partubs[2], | |
455 | partubs[3], partubs[4]); | |
456 | ||
457 | v0R2->SetNumberOfDivisions(ndiv); | |
458 | ||
459 | partubs[0] = r2Right; | |
460 | partubs[1] = r3Right; | |
461 | ||
462 | TTUBS *v0R3 = new TTUBS("V0R3", "V0R3", "void", partubs[0], partubs[1], partubs[2], | |
463 | partubs[3], partubs[4]); | |
464 | v0R3->SetNumberOfDivisions(ndiv); | |
465 | ||
466 | Float_t phi; | |
467 | Float_t phiDeg= 180./6.; | |
468 | ||
469 | Int_t ndetR = 1; | |
470 | ||
471 | char nameNode[12]; | |
472 | ||
473 | for (phi = 15.0; phi < 360.0; phi = phi + phiDeg) | |
474 | ||
475 | { | |
476 | ||
477 | TRotMatrix* mat920 = new TRotMatrix("rot920","rot920", 90.0, +phi, 90., 90.+phi, 0.0, 0.0 ); | |
478 | ||
479 | sprintf(nameNode,"SUBDER%d",ndetR); | |
480 | ||
481 | v0Rnode->cd(); | |
482 | v0Rnode0 = new TNode(nameNode,nameNode,v0R0,0.0,0.0, 0.0,mat920); | |
483 | v0Rnode0->SetLineColor(kYellow); | |
484 | fNodes->Add(v0Rnode0); | |
485 | ndetR++; | |
486 | ||
487 | sprintf(nameNode,"SUBDER%d",ndetR); | |
488 | v0Rnode0->cd(); | |
489 | v0Rnode1 = new TNode(nameNode,nameNode,v0R1,0.0,0.0, -offset+ offsetFibers ,0); | |
490 | v0Rnode1->SetLineColor(kColorVZERO); | |
491 | fNodes->Add(v0Rnode1); | |
492 | ndetR++; | |
493 | ||
494 | sprintf(nameNode,"SUBDER%d",ndetR); | |
495 | v0Rnode0->cd(); | |
496 | v0Rnode2 = new TNode(nameNode,nameNode,v0R2,0.0,0.0, -offset,0); | |
497 | v0Rnode2->SetLineColor(kColorVZERO); | |
498 | fNodes->Add(v0Rnode2); | |
499 | ndetR++; | |
500 | ||
501 | sprintf(nameNode,"SUBDER%d",ndetR); | |
502 | v0Rnode0->cd(); | |
503 | v0Rnode3 = new TNode(nameNode,nameNode,v0R3,0.0,0.0, -offset,0); | |
504 | v0Rnode3->SetLineColor(kColorVZERO); | |
505 | fNodes->Add(v0Rnode3); | |
506 | ndetR++; | |
507 | ||
508 | v0Rnode0->SetVisibility(2); | |
509 | ||
510 | } | |
511 | ||
512 | // Left side of VZERO : | |
513 | ||
514 | Float_t r0Left = 4.3; | |
515 | Float_t height1Left = 2.6 + 4.1; | |
516 | Float_t height2Left = 6.4 + 10.2; | |
517 | Float_t height3Left = 16.9; | |
518 | Float_t heightLeft = height1Left + height2Left + height3Left; | |
519 | ||
520 | Float_t r3Left = r0Left + heightLeft; | |
521 | ||
522 | partube[0] = r0Left; | |
523 | partube[1] = r3Left; | |
524 | partube[2] = fThickness1/2.0; | |
525 | ||
526 | TTUBE *v0LE = new TTUBE("V0LE", "V0LE", "void", partube[0], partube[1], partube[2]); | |
527 | ||
528 | top->cd(); | |
529 | ||
530 | v0Lnode = new TNode("V0LE","V0LE",v0LE,0.0,0.0,350.0+fThickness1/2.0,0); | |
531 | ||
532 | v0Lnode->SetLineColor(kBlue); | |
533 | fNodes->Add(v0Lnode); | |
534 | ||
535 | v0Lnode->SetVisibility(2); | |
536 | ||
537 | partubs[0] = r0Left; | |
538 | partubs[1] = r3Left; | |
539 | partubs[2] = fThickness1/2.0; | |
540 | partubs[3] = 90.0-15.0; | |
541 | partubs[4] = 120.0-15.0; | |
542 | ||
543 | TTUBS *v0L0 = new TTUBS("V0L0", "V0L0", "void", partubs[0], partubs[1], partubs[2], | |
544 | partubs[3], partubs[4]); | |
545 | ||
546 | v0L0->SetNumberOfDivisions(ndiv); | |
547 | v0L0->SetLineColor(7); | |
548 | ||
549 | Float_t offsetLeft; | |
550 | offsetLeft = - fThickness1/2.0; | |
551 | ||
552 | Float_t r1Left = r0Left + height1Left; | |
553 | ||
554 | partubs[0] = r0Left; | |
555 | partubs[1] = r1Left; | |
556 | ||
557 | TTUBS *v0L1 = new TTUBS("V0L1", "V0L1", "void", partubs[0], partubs[1], partubs[2], | |
558 | partubs[3], partubs[4]); | |
559 | v0L1->SetNumberOfDivisions(ndiv); | |
560 | ||
561 | Float_t r2Left = r1Left + height2Left; | |
562 | ||
563 | partubs[0] = r1Left; | |
564 | partubs[1] = r2Left; | |
565 | ||
566 | TTUBS *v0L2 = new TTUBS("V0L2", "V0L2", "void", partubs[0], partubs[1], partubs[2], | |
567 | partubs[3], partubs[4]); | |
568 | v0L2->SetNumberOfDivisions(ndiv); | |
569 | ||
570 | partubs[0] = r2Left; | |
571 | partubs[1] = r3Left; | |
572 | ||
573 | TTUBS *v0L3 = new TTUBS("V0L3", "V0L3", "void", partubs[0], partubs[1], partubs[2], | |
574 | partubs[3], partubs[4]); | |
575 | v0L3->SetNumberOfDivisions(ndiv); | |
576 | ||
577 | Int_t ndetL = 1; | |
578 | ||
579 | for (phi = 15.0; phi < 360.0; phi = phi + phiDeg) | |
580 | ||
581 | { | |
582 | ||
583 | TRotMatrix* mat920 = new TRotMatrix("rot920","rot920", 90.0, +phi, 90., 90.+phi, 0.0, 0.0 ); | |
584 | ||
585 | ||
586 | sprintf(nameNode,"SUBDEL%d",ndetL); | |
587 | ||
588 | v0Lnode->cd(); | |
589 | v0Lnode0 = new TNode(nameNode,nameNode,v0L0,0.0,0.0, offsetLeft + halfThickQua,mat920); | |
590 | v0Lnode0->SetLineColor(kColorVZERO); | |
591 | fNodes->Add(v0Lnode0); | |
592 | ndetL++; | |
593 | ||
594 | sprintf(nameNode,"SUBDEL%d",ndetL); | |
595 | v0Lnode0->cd(); | |
596 | v0Lnode1 = new TNode(nameNode,nameNode,v0L1,0.0,0.0, 0.0,0); | |
597 | v0Lnode1->SetLineColor(kColorVZERO); | |
598 | fNodes->Add(v0Lnode1); | |
599 | ndetL++; | |
600 | ||
601 | sprintf(nameNode,"SUBDEL%d",ndetL); | |
602 | v0Lnode0->cd(); | |
603 | v0Lnode2 = new TNode(nameNode,nameNode,v0L2,0.0,0.0, 0.0,0); | |
604 | v0Lnode2->SetLineColor(kColorVZERO); | |
605 | fNodes->Add(v0Lnode2); | |
606 | ndetL++; | |
607 | ||
608 | sprintf(nameNode,"SUBDEL%d",ndetL); | |
609 | v0Lnode0->cd(); | |
610 | v0Lnode3 = new TNode(nameNode,nameNode,v0L3,0.0,0.0, 0.0,0); | |
611 | v0Lnode3->SetLineColor(kColorVZERO); | |
612 | fNodes->Add(v0Lnode3); | |
613 | ndetL++; | |
614 | ||
615 | v0Lnode0->SetVisibility(2); | |
616 | ||
617 | } | |
618 | ||
619 | } | |
620 | ||
621 | //_____________________________________________________________________________ | |
622 | void AliVZEROv3::CreateMaterials() | |
623 | { | |
624 | ||
625 | // Creates materials used for geometry | |
626 | ||
627 | Int_t i; | |
628 | ||
629 | printf("\n"); | |
630 | for(i=0;i<25;i++) printf("*"); | |
631 | printf(" VZERO create materials "); | |
632 | for(i=0;i<26;i++) printf("*"); | |
633 | printf("\n"); | |
634 | ||
635 | /* | |
636 | 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, | |
637 | 6.9e-9, 7.1e-9, 7.3e-9, 7.5e-9, 7.7e-9, 7.9e-9, 8.1e-9 }; | |
638 | ||
639 | ||
640 | 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, | |
641 | 6.9e-9, 7.1e-9, 7.3e-9, 7.5e-9, 7.7e-9, 7.9e-9, 8.1e-9 }; | |
642 | ||
643 | Float_t rindex_quarz[14] = { 1.52398, 1.53090, 1.53835, 1.54641, 1.55513, 1.56458, | |
644 | 1.57488, 1.58611, 1.59842, 1.61197, 1.62696, 1.64362, | |
645 | 1.662295, 1.68337 }; | |
646 | ||
647 | Float_t absco_quarz[14] = { 105.8, 45.656, 35.665, 28.598, 25.007, 21.04, 17.525, | |
648 | 14.177, 9.282, 4.0925, 1.149, 0.3627, 0.1497, 0.05 }; | |
649 | ||
650 | Float_t effic_all[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. }; | |
651 | ||
652 | ||
653 | Float_t rindex_alu[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. }; | |
654 | ||
655 | ||
656 | 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, | |
657 | 1e-4,1e-4,1e-4,1e-4 }; | |
658 | Float_t effic_alu[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. }; | |
659 | ||
660 | */ | |
661 | ||
662 | Int_t *idtmed = fIdtmed->GetArray()-2999; | |
663 | ||
f9721da6 | 664 | |
665 | // Parameters related to Quarz (SiO2) : | |
666 | ||
667 | Float_t aqua[2], zqua[2], densqua, wmatqua[2]; | |
668 | Int_t nlmatqua; | |
669 | ||
670 | aqua[0] = 28.09; | |
671 | aqua[1] = 16.; | |
672 | zqua[0] = 14.; | |
673 | zqua[1] = 8.; | |
674 | densqua = 2.64; | |
675 | nlmatqua = -2; | |
676 | wmatqua[0] = 1.; | |
677 | wmatqua[1] = 2.; | |
678 | ||
679 | // Parameters related to aluminum sheets : | |
680 | ||
681 | Float_t aal = 26.98; | |
682 | Float_t zal = 13.00; | |
683 | Float_t densal= 2.7; | |
684 | Float_t radlal= 8.9; | |
685 | ||
686 | // Parameters related to scintillator CH : | |
687 | ||
688 | Float_t ascin[2] = {1.00794,12.011}; | |
689 | Float_t zscin[2] = {1.,6.}; | |
690 | Float_t wscin[2] = {1.,1.}; | |
691 | Float_t denscin = 1.032; | |
692 | ||
f7b3a79e | 693 | // AIR |
694 | ||
695 | Float_t aAir[4]={12.,14.,16.,36.}; | |
696 | Float_t zAir[4]={6.,7.,8.,18.}; | |
697 | Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827}; | |
698 | Float_t dAir = 1.20479E-3; | |
699 | ||
f9721da6 | 700 | // Definition of materials : |
f7b3a79e | 701 | |
702 | // AIR | |
703 | ||
704 | AliMixture( 1, "AIR A$", aAir,zAir,dAir,4,wAir); | |
705 | AliMixture(11, "AIR I$", aAir,zAir,dAir,4,wAir); | |
f9721da6 | 706 | AliMaterial( 2, "CARBON$" , 12.01, 6.0, 2.265, 18.8, 49.9, 0, 0); |
707 | AliMixture( 3, "QUA", aqua, zqua, densqua, nlmatqua, wmatqua); | |
708 | AliMaterial( 4, "ALUMINIUM1$", 26.98, 13., 2.7, 8.9, 37.2, 0, 0); | |
709 | AliMaterial( 5, "ALUMINIUM2$", aal, zal, densal, radlal, 0, 0, 0); | |
710 | ||
711 | AliMixture( 6, "Scintillator$",ascin,zscin,denscin,-2,wscin); | |
712 | ||
713 | ||
714 | Int_t iSXFLD = gAlice->Field()->Integ(); | |
715 | Float_t sXMGMX = gAlice->Field()->Max(); | |
716 | ||
717 | Float_t tmaxfd, stemax, deemax, epsil, stmin; | |
718 | ||
719 | tmaxfd = 10.; | |
720 | stemax = 0.1; | |
721 | deemax = 0.1; | |
722 | epsil = 0.001; | |
723 | stmin = 0.001; | |
724 | ||
725 | // Active Air : | |
726 | AliMedium(1, "ACTIVE AIR$", 1, 1, iSXFLD, sXMGMX, | |
727 | 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ; | |
728 | ||
729 | // Inactive air : | |
730 | ||
731 | AliMedium(11, "INACTIVE AIR$", 11, 0, iSXFLD, sXMGMX, | |
732 | 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ; | |
733 | ||
734 | AliMedium(2, "CARBON$ ", 2, 1, iSXFLD, sXMGMX, | |
735 | tmaxfd, stemax, deemax, epsil, stmin, 0, 0); | |
736 | ||
737 | AliMedium(3, "QUARZ$", 3, 1, iSXFLD, sXMGMX, | |
738 | tmaxfd, fMaxStepQua, fMaxDestepQua, epsil, stmin, 0, 0); | |
739 | ||
740 | AliMedium(4,"ALUMINUM1$",4, 1, iSXFLD, sXMGMX, | |
741 | tmaxfd, fMaxStepAlu, fMaxDestepAlu, epsil, stmin, 0, 0); | |
742 | ||
743 | ||
744 | AliMedium(5,"ALUMINUM2$",5, 1, iSXFLD, sXMGMX, | |
745 | tmaxfd, fMaxStepAlu, fMaxDestepAlu, epsil, stmin, 0, 0); | |
746 | ||
747 | AliMedium(6,"SCINTILLATOR$",6, 1, iSXFLD, sXMGMX, 10.0, 0.1, 0.1, 0.003, 0.003, 0, 0); | |
748 | ||
749 | gMC->Gstpar(idtmed[3000], "LOSS", 1.); // [3000] = air ACTIF [3010] = air INACTIF | |
750 | gMC->Gstpar(idtmed[3000], "HADR", 1.); | |
751 | gMC->Gstpar(idtmed[3000], "DCAY", 1.); | |
752 | gMC->Gstpar(idtmed[3000], "DRAY", 1.); | |
753 | ||
754 | gMC->Gstpar(idtmed[3001], "LOSS", 1.); // [3001] = carbon | |
755 | gMC->Gstpar(idtmed[3001], "HADR", 1.); | |
756 | gMC->Gstpar(idtmed[3001], "DCAY", 1.); | |
757 | gMC->Gstpar(idtmed[3001], "DRAY", 1.); | |
758 | ||
759 | gMC->Gstpar(idtmed[3002], "LOSS", 1.); // [3002] = quartz | |
760 | gMC->Gstpar(idtmed[3002], "HADR", 1.); | |
761 | gMC->Gstpar(idtmed[3002], "DCAY", 1.); | |
762 | gMC->Gstpar(idtmed[3002], "DRAY", 1.); | |
763 | gMC->Gstpar(idtmed[3002], "CUTGAM",0.5E-4) ; | |
764 | gMC->Gstpar(idtmed[3002], "CUTELE",1.0E-4) ; | |
765 | ||
766 | gMC->Gstpar(idtmed[3003], "LOSS", 1.); // [3003] = normal aluminum | |
767 | gMC->Gstpar(idtmed[3003], "HADR", 1.); | |
768 | gMC->Gstpar(idtmed[3003], "DCAY", 1.); | |
769 | gMC->Gstpar(idtmed[3003], "DRAY", 1.); | |
770 | ||
771 | gMC->Gstpar(idtmed[3004], "LOSS", 1.); // [3004] = reflecting aluminum | |
772 | gMC->Gstpar(idtmed[3004], "HADR", 1.); | |
773 | gMC->Gstpar(idtmed[3004], "DCAY", 1.); | |
774 | gMC->Gstpar(idtmed[3004], "DRAY", 1.); | |
775 | gMC->Gstpar(idtmed[3004], "CUTGAM",0.5E-4) ; | |
776 | gMC->Gstpar(idtmed[3004], "CUTELE",1.0E-4) ; | |
777 | ||
778 | gMC->Gstpar(idtmed[3005], "LOSS", 1.); // [3005] = scintillator | |
779 | gMC->Gstpar(idtmed[3005], "HADR", 1.); | |
780 | gMC->Gstpar(idtmed[3005], "DCAY", 1.); | |
781 | gMC->Gstpar(idtmed[3005], "DRAY", 1.); | |
782 | gMC->Gstpar(idtmed[3005], "CUTGAM",0.5E-4) ; | |
783 | gMC->Gstpar(idtmed[3005], "CUTELE",1.0E-4) ; | |
784 | ||
785 | ||
786 | // geant3->Gsckov(idtmed[3002], 14, ppckov, absco_quarz, effic_all,rindex_quarz); | |
787 | // geant3->Gsckov(idtmed[3004], 14, ppckov_alu, absco_alu, effic_alu, rindex_alu); | |
788 | ||
789 | // gMC->SetCerenkov(idtmed[3002], 14, ppckov, absco_quarz, effic_all,rindex_quarz); | |
790 | // gMC->SetCerenkov(idtmed[3004], 14, ppckov_alu, absco_alu, effic_alu, rindex_alu); | |
791 | ||
792 | } | |
793 | ||
794 | //_____________________________________________________________________________ | |
ba380e33 | 795 | void AliVZEROv3::DrawModule() const |
f9721da6 | 796 | { |
797 | ||
798 | // Drawing is done in DrawVZERO.C | |
799 | ||
800 | Int_t i; | |
801 | ||
802 | printf("\n"); | |
803 | for(i=0;i<30;i++) printf("*"); | |
804 | printf(" VZERO DrawModule "); | |
805 | for(i=0;i<30;i++) printf("*"); | |
806 | printf("\n"); | |
807 | ||
808 | ||
809 | } | |
810 | ||
811 | //_____________________________________________________________________________ | |
812 | void AliVZEROv3::Init() | |
813 | { | |
814 | // Initialises version 2 of the VZERO Detector | |
815 | // Just prints an information message | |
816 | ||
817 | printf(" VZERO version %d initialized \n",IsVersion()); | |
818 | ||
819 | // gMC->SetMaxStep(fMaxStepAlu); | |
820 | // gMC->SetMaxStep(fMaxStepQua); | |
821 | ||
822 | AliVZERO::Init(); | |
823 | ||
824 | } | |
825 | ||
826 | ||
827 | //_____________________________________________________________________________ | |
828 | void AliVZEROv3::StepManager() | |
829 | { | |
830 | ||
831 | // Step Manager, called at each step | |
832 | ||
833 | Int_t copy; | |
834 | static Int_t vol[4]; | |
835 | static Float_t hits[21]; | |
836 | static Float_t eloss, tlength; | |
f9721da6 | 837 | static Int_t nPhotonsInStep; |
838 | static Int_t nPhotons; | |
839 | static Int_t numStep; | |
840 | Float_t ringNumber; | |
841 | Float_t destep, step; | |
842 | ||
843 | numStep += 1; | |
844 | ||
845 | // We keep only charged tracks : | |
846 | ||
847 | if ( !gMC->TrackCharge() || !gMC->IsTrackAlive() ) return; | |
848 | ||
d6fb41ac | 849 | static Int_t idV0R1 = gMC->VolId("V0R1"); |
850 | static Int_t idV0L1 = gMC->VolId("V0L1"); | |
851 | static Int_t idV0R2 = gMC->VolId("V0R2"); | |
852 | static Int_t idV0L2 = gMC->VolId("V0L2"); | |
853 | static Int_t idV0R3 = gMC->VolId("V0R3"); | |
854 | static Int_t idV0L3 = gMC->VolId("V0L3"); | |
855 | ||
f9721da6 | 856 | vol[0] = gMC->CurrentVolOffID(1, vol[1]); |
857 | vol[2] = gMC->CurrentVolID(copy); | |
858 | vol[3] = copy; | |
859 | ||
d6fb41ac | 860 | if ( gMC->CurrentVolID(copy) == idV0R1 || |
861 | gMC->CurrentVolID(copy) == idV0L1 ) | |
f9721da6 | 862 | ringNumber = 1.0; |
d6fb41ac | 863 | else if ( gMC->CurrentVolID(copy) == idV0R2 || |
864 | gMC->CurrentVolID(copy) == idV0L2 ) | |
f9721da6 | 865 | ringNumber = 2.0; |
d6fb41ac | 866 | else if ( gMC->CurrentVolID(copy) == idV0R3 || |
867 | gMC->CurrentVolID(copy) == idV0L3 ) | |
f9721da6 | 868 | ringNumber = 3.0; |
869 | else | |
870 | ringNumber = 0.0; | |
871 | ||
872 | if ( ringNumber > 0.5 ) { | |
873 | ||
874 | destep = gMC->Edep(); | |
875 | step = gMC->TrackStep(); | |
876 | ||
877 | nPhotonsInStep = Int_t(destep / (fLightYield *1e-9) ); | |
878 | nPhotonsInStep = gRandom->Poisson(nPhotonsInStep); | |
879 | ||
880 | eloss += destep; | |
881 | tlength += step; | |
882 | ||
883 | if ( gMC->IsTrackEntering() ) { | |
884 | ||
885 | nPhotons = nPhotonsInStep; | |
886 | gMC->TrackPosition(fTrackPosition); | |
887 | gMC->TrackMomentum(fTrackMomentum); | |
888 | ||
889 | Float_t pt = TMath::Sqrt( fTrackMomentum.Px() * fTrackMomentum.Px() + | |
890 | fTrackMomentum.Py() * fTrackMomentum.Py() ); | |
891 | ||
892 | hits[0] = fTrackPosition.X(); | |
893 | hits[1] = fTrackPosition.Y(); | |
894 | hits[2] = fTrackPosition.Z(); | |
895 | hits[3] = Float_t (gMC->TrackPid()); | |
896 | ||
897 | hits[4] = gMC->TrackTime(); | |
898 | hits[5] = gMC->TrackCharge(); | |
899 | hits[6] = fTrackMomentum.Theta()*TMath::RadToDeg(); | |
900 | hits[7] = fTrackMomentum.Phi()*TMath::RadToDeg(); | |
901 | hits[8] = ringNumber; | |
902 | ||
903 | hits[9] = pt; | |
904 | hits[10] = fTrackMomentum.P(); | |
905 | hits[11] = fTrackMomentum.Px(); | |
906 | hits[12] = fTrackMomentum.Py(); | |
907 | hits[13] = fTrackMomentum.Pz(); | |
908 | ||
909 | TParticle *par = gAlice->GetMCApp()->Particle(gAlice->GetMCApp()->GetCurrentTrackNumber()); | |
910 | hits[14] = par->Vx(); | |
911 | hits[15] = par->Vy(); | |
912 | hits[16] = par->Vz(); | |
913 | ||
914 | tlength = 0.0; | |
915 | eloss = 0.0; | |
916 | ||
917 | } | |
918 | ||
919 | nPhotons = nPhotons + nPhotonsInStep; | |
920 | ||
921 | if( gMC->IsTrackExiting() || gMC->IsTrackStop() || gMC->IsTrackDisappeared()){ | |
922 | ||
923 | nPhotons = nPhotons - Int_t( (Float_t(nPhotons) * fLightAttenuation * fnMeters) ); | |
924 | nPhotons = nPhotons - Int_t( Float_t(nPhotons) * fFibToPhot ); | |
925 | ||
926 | hits[17] = eloss; | |
927 | hits[18] = tlength; | |
928 | hits[19] = nPhotons; | |
929 | hits[20] = GetCellId (vol, hits); | |
930 | ||
931 | AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits); | |
932 | ||
933 | tlength = 0.0; | |
934 | eloss = 0.0; | |
935 | nPhotons = 0; | |
936 | nPhotonsInStep = 0; | |
937 | ||
938 | numStep = 0; | |
939 | } | |
940 | } | |
941 | ||
942 | } | |
943 | ||
944 | //_____________________________________________________________________________ | |
945 | void AliVZEROv3::AddHit(Int_t track, Int_t *vol, Float_t *hits) | |
946 | { | |
947 | ||
948 | // Adds a VZERO hit | |
949 | ||
950 | TClonesArray &lhits = *fHits; | |
951 | new(lhits[fNhits++]) AliVZEROhit(fIshunt,track,vol,hits); | |
952 | } | |
953 | ||
954 | //_____________________________________________________________________________ | |
955 | void AliVZEROv3::AddDigits(Int_t *tracks, Int_t* digits) | |
956 | { | |
957 | ||
958 | // Adds a VZERO digit | |
959 | ||
960 | TClonesArray &ldigits = *fDigits; | |
961 | new(ldigits[fNdigits++]) AliVZEROdigit(tracks, digits); | |
962 | } | |
963 | ||
964 | //_____________________________________________________________________________ | |
965 | void AliVZEROv3::MakeBranch(Option_t *option) | |
966 | { | |
967 | ||
968 | // Creates new branches in the current Root Tree | |
969 | ||
970 | char branchname[10]; | |
971 | sprintf(branchname,"%s",GetName()); | |
972 | printf(" fBufferSize = %d \n",fBufferSize); | |
973 | ||
974 | const char *cH = strstr(option,"H"); | |
975 | ||
976 | if (fHits && TreeH() && cH) { | |
977 | TreeH()->Branch(branchname,&fHits, fBufferSize); | |
978 | printf("* AliDetector::MakeBranch * Making Branch %s for hits\n",branchname); | |
979 | } | |
980 | ||
981 | const char *cD = strstr(option,"D"); | |
982 | ||
983 | if (fDigits && fLoader->TreeD() && cD) { | |
984 | fLoader->TreeD()->Branch(branchname,&fDigits, fBufferSize); | |
985 | printf("* AliDetector::MakeBranch * Making Branch %s for digits\n",branchname); | |
986 | } | |
987 | ||
988 | } | |
989 | ||
990 | //_____________________________________________________________________________ | |
991 | Int_t AliVZEROv3::GetCellId(Int_t *vol, Float_t *hits) | |
992 | { | |
993 | ||
994 | // Returns Id of scintillator cell | |
995 | // Right side from 0 to 35 | |
996 | // Left side from 36 to 71 | |
997 | ||
998 | Int_t index = vol[1]; | |
999 | fCellId = 0; | |
1000 | ||
1001 | if (index < 10) index = index + 12; | |
1002 | ||
1003 | if (hits[2] < 0.0) { | |
1004 | index = (index - 10) + ( ( Int_t(hits[8]) - 1 ) * 12); | |
1005 | fCellId = index; | |
1006 | } | |
1007 | else if (hits[2] > 0.0) | |
1008 | { | |
1009 | index = (index + 26) + ( ( Int_t(hits[8]) - 1 ) * 12); | |
1010 | fCellId = index;} | |
1011 | ||
1012 | return fCellId; | |
1013 | } |