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