]>
Commit | Line | Data |
---|---|---|
79b41939 | 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 4 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 24th of february 2004 // | |
24 | // (now 4 rings instead of 3 rings as in previous version) // | |
25 | // V0R (now V0C) sits between Z values -89.4 and -84.9 cm // | |
26 | // V0L (now V0A) sits between Z values +350.0 and +352.0 cm // | |
27 | // New coordinate system has been implemented in october 2003 // | |
28 | // // | |
29 | ////////////////////////////////////////////////////////////////////// | |
30 | ||
31 | // --- Standard libraries --- | |
32 | #include <Riostream.h> | |
33 | #include <stdlib.h> | |
34 | #include <string.h> | |
35 | ||
36 | // --- ROOT libraries --- | |
37 | #include <TClonesArray.h> | |
38 | #include <TGeant3.h> | |
39 | #include <TGeometry.h> | |
40 | #include <TLorentzVector.h> | |
41 | #include <TMath.h> | |
42 | #include <TNode.h> | |
43 | #include <TObjectTable.h> | |
44 | #include <TTUBE.h> | |
45 | #include <TTUBS.h> | |
46 | #include <TVirtualMC.h> | |
47 | #include <TParticle.h> | |
48 | ||
49 | // --- AliRoot header files --- | |
50 | #include "AliRun.h" | |
51 | #include "AliMC.h" | |
52 | #include "AliConst.h" | |
53 | #include "AliMagF.h" | |
54 | #include "AliVZEROLoader.h" | |
55 | #include "AliVZEROdigit.h" | |
56 | #include "AliVZEROhit.h" | |
57 | #include "AliVZEROv4.h" | |
58 | ||
59 | ClassImp(AliVZEROv4) | |
60 | ||
61 | //_____________________________________________________________________________ | |
62 | AliVZEROv4:: AliVZEROv4():AliVZERO() | |
63 | { | |
64 | // Standard default constructor | |
65 | } | |
66 | ||
67 | //_____________________________________________________________________________ | |
68 | AliVZEROv4::AliVZEROv4(const char *name, const char *title): | |
69 | AliVZERO(name,title) | |
70 | { | |
71 | ||
72 | // Standard constructor for V-zero Detector version 2 | |
73 | ||
74 | Int_t i; | |
75 | ||
76 | printf("\n"); | |
77 | for(i=0;i<26;i++) printf("*"); | |
78 | printf(" Create VZERO object "); | |
79 | for(i=0;i<26;i++) printf("*"); | |
80 | printf("\n"); | |
81 | ||
82 | fLightYield = 93.75; // Light yield in BC408 (93.75 eV per photon) | |
83 | fLightAttenuation = 0.05; // Light attenuation in fiber (0.05 per meter) | |
84 | fnMeters = 15.0; // Number of meters of clear fibers to PM | |
85 | fFibToPhot = 0.3; // Attenuation at fiber-photocathode interface | |
86 | } | |
87 | ||
88 | //_____________________________________________________________________________ | |
89 | void AliVZEROv4::CreateGeometry() | |
90 | { | |
91 | ||
92 | // Creates the GEANT geometry of the V-zero Detector version 3 | |
93 | ||
94 | Int_t i; | |
95 | ||
96 | printf("\n"); | |
97 | for(i=0;i<26;i++) printf("*"); | |
98 | printf(" Create VZERO Geometry "); | |
99 | for(i=0;i<26;i++) printf("*"); | |
100 | printf("\n"); | |
101 | ||
102 | Int_t *idtmed = fIdtmed->GetArray()-2999; | |
103 | ||
104 | Int_t ndetR = 1; | |
105 | Int_t ndetL = 1; | |
106 | ||
107 | Int_t ncellsR = 1; | |
108 | Int_t ncellsL = 1; | |
109 | ||
110 | Int_t idrotm[999]; | |
111 | ||
112 | Float_t height1Right, height2Right, height3Right, height4Right; | |
113 | Float_t heightRight; | |
114 | Float_t theta; | |
115 | ||
116 | Float_t halfThickQua; | |
117 | ||
118 | Float_t zdet; | |
119 | Float_t r0Right, r4Right; | |
120 | Float_t pi = TMath::Pi(); | |
121 | ||
122 | height1Right = 3.42; // height of cell 1, in cm | |
123 | height2Right = 6.78; // height of cell 2, in cm | |
124 | height3Right = 7.11; // height of cell 3, in cm | |
125 | height4Right = 10.91; // height of cell 4, in cm | |
126 | ||
127 | theta = pi/6.0/2.0; // half angular opening = 15 degrees | |
128 | ||
129 | halfThickQua= fThickness1/2.0; // half thickness of elementary cell (inner ring) | |
130 | ||
131 | // distance 0.6 cm in zdet accounts for the fact V0R box back lid sits 0.6 away from | |
132 | // absorber nose sitting at 90 cm. Will use -zdet later... | |
133 | // size of V0R box (fThickness) is increased by 1 mm as compared to version v2 | |
134 | ||
135 | fThickness = fThickness + 0.1; | |
136 | zdet = 90.0 - 0.6 - fThickness/2.0; // distance to vertex (along Z axis) | |
137 | r0Right = 4.05; // closest distance to center of the beam pipe | |
138 | heightRight = height1Right + height2Right + height3Right + height4Right; | |
139 | r4Right = r0Right + heightRight; | |
140 | ||
141 | // Creation of mother volume v0LE - left part - : | |
142 | // Entrance face at +350.0 cm (new coordinate system) ... | |
143 | ||
144 | Float_t partube[3]; | |
145 | ||
146 | partube[0] = 4.3; | |
147 | partube[1] = 45.0; | |
148 | partube[2] = fThickness1/2.0; | |
149 | ||
150 | gMC->Gsvolu("V0LE","TUBE",idtmed[3005],partube,3); | |
151 | ||
152 | // Creation of five rings - left part - : | |
153 | // Entrance face at +350.0 cm (new coordinate system) ... | |
154 | ||
155 | // Mother volume v0L0 in which will be set 5 scintillator cells | |
156 | ||
157 | Float_t partubs[5]; | |
158 | ||
159 | Float_t r0Left = 4.3; | |
160 | Float_t height1Left = 3.6; | |
161 | Float_t height2Left = 6.4; | |
162 | Float_t height3Left = 14.9; | |
163 | Float_t height4Left = 14.4; | |
164 | Float_t heightLeft = height1Left + height2Left + height3Left + height4Left; | |
165 | ||
166 | Float_t r4Left = r0Left + heightLeft; | |
167 | ||
168 | partubs[0] = r0Left; | |
169 | partubs[1] = r4Left; | |
170 | partubs[2] = fThickness1/2.0; | |
171 | partubs[3] = 90.0-15.0; | |
172 | partubs[4] = 120.0-15.0; | |
173 | ||
174 | gMC->Gsvolu("V0L0","TUBS",idtmed[3010],partubs,5); // air volume | |
175 | ||
176 | Float_t r1Left = r0Left + height1Left; | |
177 | ||
178 | partubs[0] = r0Left; | |
179 | partubs[1] = r1Left; | |
180 | ||
181 | gMC->Gsvolu("V0L1","TUBS",idtmed[3005],partubs,5); // quartz volume | |
182 | gMC->Gspos("V0L1",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY"); | |
183 | ||
184 | Float_t r2Left = r1Left + height2Left; | |
185 | ||
186 | partubs[0] = r1Left; | |
187 | partubs[1] = r2Left; | |
188 | ||
189 | gMC->Gsvolu("V0L2","TUBS",idtmed[3005],partubs,5); // quartz volume | |
190 | gMC->Gspos("V0L2",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY"); | |
191 | ||
192 | Float_t r3Left = r2Left + height3Left; | |
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 | partubs[0] = r3Left; | |
201 | partubs[1] = r4Left; | |
202 | ||
203 | gMC->Gsvolu("V0L4","TUBS",idtmed[3005],partubs,5); // quartz volume | |
204 | gMC->Gspos("V0L4",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY"); | |
205 | ||
206 | // Creation of mother volume v0RI - right part - : | |
207 | ||
208 | partube[0] = r0Right - 0.2; | |
209 | partube[1] = r4Right + 1.0; | |
210 | partube[2] = fThickness/2.0; | |
211 | ||
212 | gMC->Gsvolu("V0RI","TUBE",idtmed[3010],partube,3); | |
213 | ||
214 | // Creation of carbon lids (3.5 mm thick) to keep v0RI box shut... | |
215 | ||
216 | Float_t lidThickness = 0.35; | |
217 | ||
218 | partube[0] = r0Right; | |
219 | partube[1] = r4Right; | |
220 | partube[2] = +lidThickness/2.0; | |
221 | ||
222 | gMC->Gsvolu("V0CA","TUBE",idtmed[3001],partube,3); | |
223 | gMC->Gspos("V0CA",1,"V0RI",0.0,0.0, fThickness/2.0-partube[2],0,"ONLY"); | |
224 | gMC->Gspos("V0CA",2,"V0RI",0.0,0.0,-fThickness/2.0+partube[2],0,"ONLY"); | |
225 | ||
226 | // Creation of aluminum rings to maintain the v0RI pieces ... | |
227 | ||
228 | partube[0] = r0Right - 0.2; | |
229 | partube[1] = r0Right; | |
230 | partube[2] = +fThickness/2.0; | |
231 | ||
232 | gMC->Gsvolu("V0IR","TUBE",idtmed[3003],partube,3); | |
233 | gMC->Gspos("V0IR",1,"V0RI",0.0,0.0,0.0,0,"ONLY"); | |
234 | ||
235 | partube[0] = r4Right; | |
236 | partube[1] = r4Right + 1.0; | |
237 | partube[2] = +fThickness/2.0; | |
238 | ||
239 | gMC->Gsvolu("V0ER","TUBE",idtmed[3003],partube,3); | |
240 | gMC->Gspos("V0ER",1,"V0RI",0.0,0.0,0.0,0,"ONLY"); | |
241 | ||
242 | // Mother volume v0R0 in which will be set 4 scintillator cells | |
243 | ||
244 | partubs[0] = r0Right; | |
245 | partubs[1] = r4Right; | |
246 | partubs[2] = fThickness/2.0; | |
247 | partubs[3] = 90.0-15.0; | |
248 | partubs[4] = 120.0-15.0; | |
249 | ||
250 | gMC->Gsvolu("V0R0","TUBS",idtmed[3010],partubs,5); // air volume | |
251 | ||
252 | // Elementary cell of ring 1 : | |
253 | // (cells of ring 1 will be shifted by 1.7 cm towards vertex to output fibers) | |
254 | ||
255 | Float_t offsetFibers = 1.7; | |
256 | Float_t offset = fThickness/2.0 - lidThickness - fThickness1/2.0; | |
257 | Float_t r1Right = r0Right + height1Right; | |
258 | ||
259 | partubs[0] = r0Right; | |
260 | partubs[1] = r1Right; | |
261 | partubs[2] = fThickness1/2.0; | |
262 | ||
263 | gMC->Gsvolu("V0R1","TUBS",idtmed[3005],partubs,5); // scintillator volume | |
264 | gMC->Gspos("V0R1",1,"V0R0", 0.0, 0.0 , -offset + offsetFibers, 0,"ONLY"); | |
265 | ||
266 | // Elementary cell of ring 2 : | |
267 | ||
268 | Float_t r2Right = r1Right + height2Right; | |
269 | ||
270 | partubs[0] = r1Right; | |
271 | partubs[1] = r2Right; | |
272 | ||
273 | gMC->Gsvolu("V0R2","TUBS",idtmed[3005],partubs,5); // scintillator volume | |
274 | gMC->Gspos("V0R2",1,"V0R0", 0.0, 0.0 , -offset, 0,"ONLY"); | |
275 | ||
276 | ||
277 | // Elementary cell of ring 3 : | |
278 | ||
279 | Float_t r3Right = r2Right + height3Right; | |
280 | ||
281 | partubs[0] = r2Right; | |
282 | partubs[1] = r3Right; | |
283 | ||
284 | gMC->Gsvolu("V0R3","TUBS",idtmed[3005],partubs,5); // scintillator volume | |
285 | gMC->Gspos("V0R3",1,"V0R0", 0.0, 0.0 , -offset, 0,"ONLY"); | |
286 | ||
287 | // Elementary cell of ring 4 : | |
288 | ||
289 | partubs[0] = r3Right; | |
290 | partubs[1] = r4Right; | |
291 | ||
292 | gMC->Gsvolu("V0R4","TUBS",idtmed[3005],partubs,5); // scintillator volume | |
293 | gMC->Gspos("V0R4",1,"V0R0", 0.0, 0.0 , -offset, 0,"ONLY"); | |
294 | ||
295 | Float_t phiDeg = 180./6.; | |
296 | ||
297 | // Right part : | |
298 | ||
299 | for(Float_t phi = 15.0 ; phi < 360.0; phi = phi + phiDeg) | |
300 | { | |
301 | AliMatrix(idrotm[902], 90.0, phi, 90.0, 90.0 +phi, 0.0 , 0.0); | |
302 | gMC->Gspos("V0R0",ndetR,"V0RI",0.0, | |
303 | 0.0,0.0,idrotm[902],"ONLY"); | |
304 | ndetR++; | |
305 | } | |
306 | ||
307 | gMC->Gspos("V0RI",1,"ALIC",0.0,0.0,-zdet,0,"ONLY"); | |
308 | ||
309 | ncellsR = (ndetR - 1) * 4; | |
310 | printf(" Number of cells on Right side = %d\n", ncellsR); | |
311 | ||
312 | // Left part : | |
313 | ||
314 | for(Float_t phi = 15.0 ; phi < 360.0; phi = phi + phiDeg) | |
315 | { | |
316 | AliMatrix(idrotm[902], 90.0, phi, 90.0, 90.0 +phi, 0.0 , 0.0); | |
317 | gMC->Gspos("V0L0",ndetL,"V0LE",0.0, | |
318 | 0.0,0.0,idrotm[902],"ONLY"); | |
319 | ndetL++; | |
320 | } | |
321 | ||
322 | gMC->Gspos("V0LE",1,"ALIC",0.0,0.0,350.0+fThickness1/2.0,0,"ONLY"); | |
323 | ||
324 | ncellsL = (ndetL - 1) * 4; | |
325 | printf(" Number of cells on Left side = %d\n", ncellsL); | |
326 | for(i=0;i<75;i++) printf("*"); | |
327 | printf("\n"); | |
328 | ||
329 | } | |
330 | ||
331 | //_____________________________________________________________________________ | |
332 | void AliVZEROv4::BuildGeometry() | |
333 | { | |
334 | ||
335 | // Builds simple ROOT TNode geometry for event display | |
336 | ||
337 | Int_t i; | |
338 | ||
339 | printf("\n"); | |
340 | for(i=0;i<30;i++) printf("*"); | |
341 | printf(" VZERO BuildGeometry "); | |
342 | for(i=0;i<30;i++) printf("*"); | |
343 | printf("\n"); | |
344 | ||
345 | TNode *top; | |
346 | ||
347 | TNode *v0Rnode, *v0Rnode0, *v0Rnode6 , *v0Rnode7, *v0Rnode8, *v0Rnode9; | |
348 | TNode *v0Rnode1, *v0Rnode2, *v0Rnode3, *v0Rnode4; | |
349 | TNode *v0Lnode, *v0Lnode0; | |
350 | TNode *v0Lnode1, *v0Lnode2, *v0Lnode3, *v0Lnode4; | |
351 | ||
352 | const int kColorVZERO = kGreen; | |
353 | ||
354 | top = gAlice->GetGeometry()->GetNode("alice"); | |
355 | ||
356 | Float_t height1Right, height2Right, height3Right, height4Right; | |
357 | Float_t heightRight; | |
358 | Float_t theta; | |
359 | ||
360 | Float_t halfThickQua; | |
361 | Float_t zdet; | |
362 | Float_t r0Right, r4Right; | |
363 | Float_t pi = TMath::Pi(); | |
364 | ||
365 | height1Right = 3.42; // height of cell 1, in cm | |
366 | height2Right = 6.78; // height of cell 2, in cm | |
367 | height3Right = 7.11; // height of cell 3, in cm | |
368 | height4Right = 10.91; // height of cell 4, in cm | |
369 | ||
370 | theta = pi/6.0/2.0; | |
371 | ||
372 | halfThickQua = fThickness1/2.0; | |
373 | ||
374 | zdet = 90.0 - 0.6 - fThickness/2.0; | |
375 | r0Right = 4.05; | |
376 | heightRight = height1Right + height2Right + height3Right + height4Right; | |
377 | r4Right = r0Right + heightRight; | |
378 | ||
379 | Int_t ndiv = 1; | |
380 | ||
381 | Float_t partube[3]; | |
382 | ||
383 | partube[0] = r0Right - 0.2; | |
384 | partube[1] = r4Right + 1.0; | |
385 | partube[2] = fThickness/2.0; | |
386 | ||
387 | TTUBE *v0RI = new TTUBE("V0RI", "V0RI", "void", partube[0], partube[1], partube[2]); | |
388 | ||
389 | top->cd(); | |
390 | ||
391 | v0Rnode = new TNode("V0RI","V0RI",v0RI,0.0,0.0,-zdet,0); | |
392 | ||
393 | v0Rnode->SetLineColor(kYellow); | |
394 | fNodes->Add(v0Rnode); | |
395 | v0Rnode->SetVisibility(2); | |
396 | ||
397 | // Rondelles de carbone (epaisseur 3.5 mm) de maintien des cellules ... | |
398 | ||
399 | Float_t lidThickness = 0.35; | |
400 | ||
401 | partube[0] = r0Right; | |
402 | partube[1] = r4Right; | |
403 | partube[2] = +lidThickness/2.0; | |
404 | ||
405 | TTUBE *v0CA = new TTUBE("V0CA", "V0CA", "void",partube[0], partube[1], partube[2]); | |
406 | ||
407 | v0Rnode->cd(); | |
408 | v0Rnode6 = new TNode("V0CA", "V0CA",v0CA,0.0,0.0, fThickness/2.0-partube[2],0); | |
409 | v0Rnode6->SetLineColor(kYellow); | |
410 | fNodes->Add(v0Rnode6); | |
411 | v0Rnode->cd(); | |
412 | v0Rnode7 = new TNode("V0CA", "V0CA",v0CA,0.0,0.0,-fThickness/2.0+partube[2],0); | |
413 | v0Rnode7->SetLineColor(kYellow); | |
414 | fNodes->Add(v0Rnode7); | |
415 | ||
416 | partube[0] = r0Right - 0.2; | |
417 | partube[1] = r0Right; | |
418 | partube[2] = +fThickness/2.0; | |
419 | ||
420 | TTUBE *v0IR = new TTUBE("V0IR","V0IR","void", partube[0], partube[1], partube[2]); | |
421 | ||
422 | v0Rnode->cd(); | |
423 | v0Rnode8 = new TNode("V0IR", "V0IR",v0IR,0.0,0.0,0.0,0); | |
424 | v0Rnode8->SetLineColor(kYellow); | |
425 | fNodes->Add(v0Rnode8); | |
426 | ||
427 | partube[0] = r4Right; | |
428 | partube[1] = r4Right + 1.0; | |
429 | partube[2] = +fThickness/2.0; | |
430 | ||
431 | TTUBE *v0ER = new TTUBE("V0ER","V0ER","void", partube[0], partube[1], partube[2]); | |
432 | ||
433 | v0Rnode->cd(); | |
434 | v0Rnode9 = new TNode("V0ER", "V0ER",v0ER,0.0,0.0,0.0,0); | |
435 | v0Rnode9->SetLineColor(kYellow); | |
436 | fNodes->Add(v0Rnode9); | |
437 | ||
438 | Float_t partubs[5]; | |
439 | ||
440 | partubs[0] = r0Right; | |
441 | partubs[1] = r4Right; | |
442 | partubs[2] = fThickness/2.0; | |
443 | partubs[3] = 90.0-15.0; | |
444 | partubs[4] = 120.0-15.0; | |
445 | ||
446 | TTUBS *v0R0 = new TTUBS("V0R0", "V0R0", "void",partubs[0], partubs[1], partubs[2], | |
447 | partubs[3], partubs[4]); | |
448 | ||
449 | v0R0->SetNumberOfDivisions(ndiv); | |
450 | ||
451 | Float_t r1Right = r0Right + height1Right; | |
452 | Float_t offset = fThickness/2.0 - lidThickness - fThickness1/2.0; | |
453 | Float_t offsetFibers = 1.7; | |
454 | ||
455 | partubs[0] = r0Right; | |
456 | partubs[1] = r1Right; | |
457 | partubs[2] = fThickness1/2.0; | |
458 | ||
459 | TTUBS *v0R1 = new TTUBS("V0R1", "V0R1", "void", partubs[0], partubs[1], partubs[2], | |
460 | partubs[3], partubs[4]); | |
461 | ||
462 | v0R1->SetNumberOfDivisions(ndiv); | |
463 | ||
464 | Float_t r2Right = r1Right + height2Right; | |
465 | ||
466 | partubs[0] = r1Right; | |
467 | partubs[1] = r2Right; | |
468 | ||
469 | TTUBS *v0R2 = new TTUBS("V0R2", "V0R2", "void", partubs[0], partubs[1], partubs[2], | |
470 | partubs[3], partubs[4]); | |
471 | ||
472 | v0R2->SetNumberOfDivisions(ndiv); | |
473 | ||
474 | Float_t r3Right = r2Right + height3Right; | |
475 | ||
476 | partubs[0] = r2Right; | |
477 | partubs[1] = r3Right; | |
478 | ||
479 | TTUBS *v0R3 = new TTUBS("V0R3", "V0R3", "void", partubs[0], partubs[1], partubs[2], | |
480 | partubs[3], partubs[4]); | |
481 | v0R3->SetNumberOfDivisions(ndiv); | |
482 | ||
483 | partubs[0] = r3Right; | |
484 | partubs[1] = r4Right; | |
485 | ||
486 | TTUBS *v0R4 = new TTUBS("V0R4", "V0R4", "void", partubs[0], partubs[1], partubs[2], | |
487 | partubs[3], partubs[4]); | |
488 | v0R4->SetNumberOfDivisions(ndiv); | |
489 | ||
490 | Float_t phi; | |
491 | Float_t phiDeg= 180./6.; | |
492 | ||
493 | Int_t ndetR = 1; | |
494 | ||
495 | char nameNode[12]; | |
496 | ||
497 | for (phi = 15.0; phi < 360.0; phi = phi + phiDeg) | |
498 | ||
499 | { | |
500 | TRotMatrix* mat920 = new TRotMatrix("rot920","rot920", 90.0, +phi, 90., 90.+phi, 0.0, 0.0 ); | |
501 | ||
502 | sprintf(nameNode,"SUBDER%d",ndetR); | |
503 | ||
504 | v0Rnode->cd(); | |
505 | v0Rnode0 = new TNode(nameNode,nameNode,v0R0,0.0,0.0, 0.0,mat920); | |
506 | v0Rnode0->SetLineColor(kYellow); | |
507 | fNodes->Add(v0Rnode0); | |
508 | ndetR++; | |
509 | ||
510 | sprintf(nameNode,"SUBDER%d",ndetR); | |
511 | v0Rnode0->cd(); | |
512 | v0Rnode1 = new TNode(nameNode,nameNode,v0R1,0.0,0.0, -offset+ offsetFibers ,0); | |
513 | v0Rnode1->SetLineColor(kColorVZERO); | |
514 | fNodes->Add(v0Rnode1); | |
515 | ndetR++; | |
516 | ||
517 | sprintf(nameNode,"SUBDER%d",ndetR); | |
518 | v0Rnode0->cd(); | |
519 | v0Rnode2 = new TNode(nameNode,nameNode,v0R2,0.0,0.0, -offset,0); | |
520 | v0Rnode2->SetLineColor(kColorVZERO); | |
521 | fNodes->Add(v0Rnode2); | |
522 | ndetR++; | |
523 | ||
524 | sprintf(nameNode,"SUBDER%d",ndetR); | |
525 | v0Rnode0->cd(); | |
526 | v0Rnode3 = new TNode(nameNode,nameNode,v0R3,0.0,0.0, -offset,0); | |
527 | v0Rnode3->SetLineColor(kColorVZERO); | |
528 | fNodes->Add(v0Rnode3); | |
529 | ndetR++; | |
530 | ||
531 | sprintf(nameNode,"SUBDER%d",ndetR); | |
532 | v0Rnode0->cd(); | |
533 | v0Rnode4 = new TNode(nameNode,nameNode,v0R4,0.0,0.0, -offset,0); | |
534 | v0Rnode4->SetLineColor(kColorVZERO); | |
535 | fNodes->Add(v0Rnode4); | |
536 | ndetR++; | |
537 | ||
538 | v0Rnode0->SetVisibility(2); | |
539 | } | |
540 | ||
541 | // Left side of VZERO : | |
542 | ||
543 | Float_t r0Left = 4.3; | |
544 | Float_t height1Left = 3.6; | |
545 | Float_t height2Left = 6.4; | |
546 | Float_t height3Left = 14.9; | |
547 | Float_t height4Left = 14.4; | |
548 | Float_t heightLeft = height1Left + height2Left + height3Left + height4Left; | |
549 | ||
550 | Float_t r4Left = r0Left + heightLeft; | |
551 | ||
552 | partube[0] = r0Left; | |
553 | partube[1] = r4Left; | |
554 | partube[2] = fThickness1/2.0; | |
555 | ||
556 | TTUBE *v0LE = new TTUBE("V0LE", "V0LE", "void", partube[0], partube[1], partube[2]); | |
557 | ||
558 | top->cd(); | |
559 | ||
560 | v0Lnode = new TNode("V0LE","V0LE",v0LE,0.0,0.0,350.0+fThickness1/2.0,0); | |
561 | ||
562 | v0Lnode->SetLineColor(kBlue); | |
563 | fNodes->Add(v0Lnode); | |
564 | ||
565 | v0Lnode->SetVisibility(2); | |
566 | ||
567 | partubs[0] = r0Left; | |
568 | partubs[1] = r4Left; | |
569 | partubs[2] = fThickness1/2.0; | |
570 | partubs[3] = 90.0-15.0; | |
571 | partubs[4] = 120.0-15.0; | |
572 | ||
573 | TTUBS *v0L0 = new TTUBS("V0L0", "V0L0", "void", partubs[0], partubs[1], partubs[2], | |
574 | partubs[3], partubs[4]); | |
575 | ||
576 | v0L0->SetNumberOfDivisions(ndiv); | |
577 | v0L0->SetLineColor(7); | |
578 | ||
579 | Float_t offsetLeft; | |
580 | offsetLeft = - fThickness1/2.0; | |
581 | ||
582 | Float_t r1Left = r0Left + height1Left; | |
583 | ||
584 | partubs[0] = r0Left; | |
585 | partubs[1] = r1Left; | |
586 | ||
587 | TTUBS *v0L1 = new TTUBS("V0L1", "V0L1", "void", partubs[0], partubs[1], partubs[2], | |
588 | partubs[3], partubs[4]); | |
589 | v0L1->SetNumberOfDivisions(ndiv); | |
590 | ||
591 | Float_t r2Left = r1Left + height2Left; | |
592 | ||
593 | partubs[0] = r1Left; | |
594 | partubs[1] = r2Left; | |
595 | ||
596 | TTUBS *v0L2 = new TTUBS("V0L2", "V0L2", "void", partubs[0], partubs[1], partubs[2], | |
597 | partubs[3], partubs[4]); | |
598 | v0L2->SetNumberOfDivisions(ndiv); | |
599 | ||
600 | Float_t r3Left = r2Left + height3Left; | |
601 | ||
602 | partubs[0] = r2Left; | |
603 | partubs[1] = r3Left; | |
604 | ||
605 | TTUBS *v0L3 = new TTUBS("V0L3", "V0L3", "void", partubs[0], partubs[1], partubs[2], | |
606 | partubs[3], partubs[4]); | |
607 | v0L3->SetNumberOfDivisions(ndiv); | |
608 | ||
609 | partubs[0] = r3Left; | |
610 | partubs[1] = r4Left; | |
611 | ||
612 | TTUBS *v0L4 = new TTUBS("V0L4", "V0L4", "void", partubs[0], partubs[1], partubs[2], | |
613 | partubs[3], partubs[4]); | |
614 | v0L4->SetNumberOfDivisions(ndiv); | |
615 | ||
616 | Int_t ndetL = 1; | |
617 | ||
618 | for (phi = 15.0; phi < 360.0; phi = phi + phiDeg) | |
619 | ||
620 | { | |
621 | ||
622 | TRotMatrix* mat920 = new TRotMatrix("rot920","rot920", 90.0, +phi, 90., 90.+phi, 0.0, 0.0 ); | |
623 | ||
624 | sprintf(nameNode,"SUBDEL%d",ndetL); | |
625 | ||
626 | v0Lnode->cd(); | |
627 | v0Lnode0 = new TNode(nameNode,nameNode,v0L0,0.0,0.0, offsetLeft + halfThickQua,mat920); | |
628 | v0Lnode0->SetLineColor(kColorVZERO); | |
629 | fNodes->Add(v0Lnode0); | |
630 | ndetL++; | |
631 | ||
632 | sprintf(nameNode,"SUBDEL%d",ndetL); | |
633 | v0Lnode0->cd(); | |
634 | v0Lnode1 = new TNode(nameNode,nameNode,v0L1,0.0,0.0, 0.0,0); | |
635 | v0Lnode1->SetLineColor(kColorVZERO); | |
636 | fNodes->Add(v0Lnode1); | |
637 | ndetL++; | |
638 | ||
639 | sprintf(nameNode,"SUBDEL%d",ndetL); | |
640 | v0Lnode0->cd(); | |
641 | v0Lnode2 = new TNode(nameNode,nameNode,v0L2,0.0,0.0, 0.0,0); | |
642 | v0Lnode2->SetLineColor(kColorVZERO); | |
643 | fNodes->Add(v0Lnode2); | |
644 | ndetL++; | |
645 | ||
646 | sprintf(nameNode,"SUBDEL%d",ndetL); | |
647 | v0Lnode0->cd(); | |
648 | v0Lnode3 = new TNode(nameNode,nameNode,v0L3,0.0,0.0, 0.0,0); | |
649 | v0Lnode3->SetLineColor(kColorVZERO); | |
650 | fNodes->Add(v0Lnode3); | |
651 | ndetL++; | |
652 | ||
653 | sprintf(nameNode,"SUBDEL%d",ndetL); | |
654 | v0Lnode0->cd(); | |
655 | v0Lnode4 = new TNode(nameNode,nameNode,v0L4,0.0,0.0, 0.0,0); | |
656 | v0Lnode4->SetLineColor(kColorVZERO); | |
657 | fNodes->Add(v0Lnode4); | |
658 | ndetL++; | |
659 | ||
660 | v0Lnode0->SetVisibility(2); | |
661 | } | |
662 | } | |
663 | ||
664 | //_____________________________________________________________________________ | |
665 | void AliVZEROv4::CreateMaterials() | |
666 | { | |
667 | ||
668 | // Creates materials used for geometry | |
669 | ||
670 | Int_t i; | |
671 | ||
672 | printf("\n"); | |
673 | for(i=0;i<25;i++) printf("*"); | |
674 | printf(" VZERO create materials "); | |
675 | for(i=0;i<26;i++) printf("*"); | |
676 | printf("\n"); | |
677 | ||
678 | /* | |
679 | 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, | |
680 | 6.9e-9, 7.1e-9, 7.3e-9, 7.5e-9, 7.7e-9, 7.9e-9, 8.1e-9 }; | |
681 | ||
682 | ||
683 | 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, | |
684 | 6.9e-9, 7.1e-9, 7.3e-9, 7.5e-9, 7.7e-9, 7.9e-9, 8.1e-9 }; | |
685 | ||
686 | Float_t rindex_quarz[14] = { 1.52398, 1.53090, 1.53835, 1.54641, 1.55513, 1.56458, | |
687 | 1.57488, 1.58611, 1.59842, 1.61197, 1.62696, 1.64362, | |
688 | 1.662295, 1.68337 }; | |
689 | ||
690 | Float_t absco_quarz[14] = { 105.8, 45.656, 35.665, 28.598, 25.007, 21.04, 17.525, | |
691 | 14.177, 9.282, 4.0925, 1.149, 0.3627, 0.1497, 0.05 }; | |
692 | ||
693 | Float_t effic_all[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. }; | |
694 | ||
695 | ||
696 | Float_t rindex_alu[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. }; | |
697 | ||
698 | ||
699 | 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, | |
700 | 1e-4,1e-4,1e-4,1e-4 }; | |
701 | Float_t effic_alu[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. }; | |
702 | ||
703 | */ | |
704 | ||
705 | Int_t *idtmed = fIdtmed->GetArray()-2999; | |
706 | ||
707 | // TGeant3 *geant3 = (TGeant3*) gMC; | |
708 | ||
709 | // Parameters related to Quarz (SiO2) : | |
710 | ||
711 | Float_t aqua[2], zqua[2], densqua, wmatqua[2]; | |
712 | Int_t nlmatqua; | |
713 | ||
714 | aqua[0] = 28.09; | |
715 | aqua[1] = 16.; | |
716 | zqua[0] = 14.; | |
717 | zqua[1] = 8.; | |
718 | densqua = 2.64; | |
719 | nlmatqua = -2; | |
720 | wmatqua[0] = 1.; | |
721 | wmatqua[1] = 2.; | |
722 | ||
723 | // Parameters related to aluminum sheets : | |
724 | ||
725 | Float_t aal = 26.98; | |
726 | Float_t zal = 13.00; | |
727 | Float_t densal= 2.7; | |
728 | Float_t radlal= 8.9; | |
729 | ||
730 | // Parameters related to scintillator CH : | |
731 | ||
732 | Float_t ascin[2] = {1.00794,12.011}; | |
733 | Float_t zscin[2] = {1.,6.}; | |
734 | Float_t wscin[2] = {1.,1.}; | |
735 | Float_t denscin = 1.032; | |
736 | ||
737 | // Definition of materials : | |
738 | ||
739 | AliMaterial( 1, "AIR A$", 14.61, 7.3, .001205, 30420., 67500, 0, 0); | |
740 | AliMaterial(11, "AIR I$", 14.61, 7.3, .001205, 30420., 67500, 0, 0); | |
741 | AliMaterial( 2, "CARBON$" , 12.01, 6.0, 2.265, 18.8, 49.9, 0, 0); | |
742 | AliMixture( 3, "QUA", aqua, zqua, densqua, nlmatqua, wmatqua); | |
743 | AliMaterial( 4, "ALUMINIUM1$", 26.98, 13., 2.7, 8.9, 37.2, 0, 0); | |
744 | AliMaterial( 5, "ALUMINIUM2$", aal, zal, densal, radlal, 0, 0, 0); | |
745 | ||
746 | AliMixture( 6, "Scintillator$",ascin,zscin,denscin,-2,wscin); | |
747 | ||
748 | ||
749 | Int_t iSXFLD = gAlice->Field()->Integ(); | |
750 | Float_t sXMGMX = gAlice->Field()->Max(); | |
751 | ||
752 | Float_t tmaxfd, stemax, deemax, epsil, stmin; | |
753 | ||
754 | tmaxfd = 10.; | |
755 | stemax = 0.1; | |
756 | deemax = 0.1; | |
757 | epsil = 0.001; | |
758 | stmin = 0.001; | |
759 | ||
760 | // Active Air : | |
761 | AliMedium(1, "ACTIVE AIR$", 1, 1, iSXFLD, sXMGMX, | |
762 | 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ; | |
763 | ||
764 | // Inactive air : | |
765 | ||
766 | AliMedium(11, "INACTIVE AIR$", 11, 0, iSXFLD, sXMGMX, | |
767 | 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ; | |
768 | ||
769 | AliMedium(2, "CARBON$ ", 2, 1, iSXFLD, sXMGMX, | |
770 | tmaxfd, stemax, deemax, epsil, stmin, 0, 0); | |
771 | ||
772 | AliMedium(3, "QUARZ$", 3, 1, iSXFLD, sXMGMX, | |
773 | tmaxfd, fMaxStepQua, fMaxDestepQua, epsil, stmin, 0, 0); | |
774 | ||
775 | AliMedium(4,"ALUMINUM1$",4, 1, iSXFLD, sXMGMX, | |
776 | tmaxfd, fMaxStepAlu, fMaxDestepAlu, epsil, stmin, 0, 0); | |
777 | ||
778 | ||
779 | AliMedium(5,"ALUMINUM2$",5, 1, iSXFLD, sXMGMX, | |
780 | tmaxfd, fMaxStepAlu, fMaxDestepAlu, epsil, stmin, 0, 0); | |
781 | ||
782 | AliMedium(6,"SCINTILLATOR$",6, 1, iSXFLD, sXMGMX, 10.0, 0.1, 0.1, 0.003, 0.003, 0, 0); | |
783 | ||
784 | gMC->Gstpar(idtmed[3000], "LOSS", 1.); // [3000] = air ACTIF [3010] = air INACTIF | |
785 | gMC->Gstpar(idtmed[3000], "HADR", 1.); | |
786 | gMC->Gstpar(idtmed[3000], "DCAY", 1.); | |
787 | gMC->Gstpar(idtmed[3000], "DRAY", 1.); | |
788 | ||
789 | gMC->Gstpar(idtmed[3001], "LOSS", 1.); // [3001] = carbon | |
790 | gMC->Gstpar(idtmed[3001], "HADR", 1.); | |
791 | gMC->Gstpar(idtmed[3001], "DCAY", 1.); | |
792 | gMC->Gstpar(idtmed[3001], "DRAY", 1.); | |
793 | ||
794 | gMC->Gstpar(idtmed[3002], "LOSS", 1.); // [3002] = quartz | |
795 | gMC->Gstpar(idtmed[3002], "HADR", 1.); | |
796 | gMC->Gstpar(idtmed[3002], "DCAY", 1.); | |
797 | gMC->Gstpar(idtmed[3002], "DRAY", 1.); | |
798 | gMC->Gstpar(idtmed[3002], "CUTGAM",0.5E-4) ; | |
799 | gMC->Gstpar(idtmed[3002], "CUTELE",1.0E-4) ; | |
800 | ||
801 | gMC->Gstpar(idtmed[3003], "LOSS", 1.); // [3003] = normal aluminum | |
802 | gMC->Gstpar(idtmed[3003], "HADR", 1.); | |
803 | gMC->Gstpar(idtmed[3003], "DCAY", 1.); | |
804 | gMC->Gstpar(idtmed[3003], "DRAY", 1.); | |
805 | ||
806 | gMC->Gstpar(idtmed[3004], "LOSS", 1.); // [3004] = reflecting aluminum | |
807 | gMC->Gstpar(idtmed[3004], "HADR", 1.); | |
808 | gMC->Gstpar(idtmed[3004], "DCAY", 1.); | |
809 | gMC->Gstpar(idtmed[3004], "DRAY", 1.); | |
810 | gMC->Gstpar(idtmed[3004], "CUTGAM",0.5E-4) ; | |
811 | gMC->Gstpar(idtmed[3004], "CUTELE",1.0E-4) ; | |
812 | ||
813 | gMC->Gstpar(idtmed[3005], "LOSS", 1.); // [3005] = scintillator | |
814 | gMC->Gstpar(idtmed[3005], "HADR", 1.); | |
815 | gMC->Gstpar(idtmed[3005], "DCAY", 1.); | |
816 | gMC->Gstpar(idtmed[3005], "DRAY", 1.); | |
817 | gMC->Gstpar(idtmed[3005], "CUTGAM",0.5E-4) ; | |
818 | gMC->Gstpar(idtmed[3005], "CUTELE",1.0E-4) ; | |
819 | ||
820 | ||
821 | // geant3->Gsckov(idtmed[3002], 14, ppckov, absco_quarz, effic_all,rindex_quarz); | |
822 | // geant3->Gsckov(idtmed[3004], 14, ppckov_alu, absco_alu, effic_alu, rindex_alu); | |
823 | ||
824 | // gMC->SetCerenkov(idtmed[3002], 14, ppckov, absco_quarz, effic_all,rindex_quarz); | |
825 | // gMC->SetCerenkov(idtmed[3004], 14, ppckov_alu, absco_alu, effic_alu, rindex_alu); | |
826 | ||
827 | } | |
828 | ||
829 | //_____________________________________________________________________________ | |
830 | void AliVZEROv4::DrawModule() | |
831 | { | |
832 | ||
833 | // Drawing is done in DrawVZERO.C | |
834 | ||
835 | Int_t i; | |
836 | ||
837 | printf("\n"); | |
838 | for(i=0;i<30;i++) printf("*"); | |
839 | printf(" VZERO DrawModule "); | |
840 | for(i=0;i<30;i++) printf("*"); | |
841 | printf("\n"); | |
842 | } | |
843 | ||
844 | //_____________________________________________________________________________ | |
845 | void AliVZEROv4::Init() | |
846 | { | |
847 | // Initialises version 2 of the VZERO Detector | |
848 | // Just prints an information message | |
849 | ||
850 | printf(" VZERO version %d initialized \n",IsVersion()); | |
851 | ||
852 | // gMC->SetMaxStep(fMaxStepAlu); | |
853 | // gMC->SetMaxStep(fMaxStepQua); | |
854 | ||
855 | AliVZERO::Init(); | |
856 | } | |
857 | ||
858 | //_____________________________________________________________________________ | |
859 | void AliVZEROv4::StepManager() | |
860 | { | |
861 | ||
862 | // Step Manager, called at each step | |
863 | ||
864 | Int_t copy; | |
865 | static Int_t vol[4]; | |
866 | static Float_t hits[21]; | |
867 | static Float_t eloss, tlength; | |
868 | static Int_t nPhotonsInStep; | |
869 | static Int_t nPhotons; | |
870 | static Int_t numStep; | |
871 | Float_t ringNumber; | |
872 | Float_t destep, step; | |
873 | ||
874 | numStep += 1; | |
875 | ||
876 | // We keep only charged tracks : | |
877 | ||
878 | if ( !gMC->TrackCharge() || !gMC->IsTrackAlive() ) return; | |
879 | ||
880 | vol[0] = gMC->CurrentVolOffID(1, vol[1]); | |
881 | vol[2] = gMC->CurrentVolID(copy); | |
882 | vol[3] = copy; | |
883 | ||
884 | if ( gMC->CurrentVolID(copy) == gMC->VolId("V0R1") || | |
885 | gMC->CurrentVolID(copy) == gMC->VolId("V0L1") ) | |
886 | ringNumber = 1.0; | |
887 | else if ( gMC->CurrentVolID(copy) == gMC->VolId("V0R2") || | |
888 | gMC->CurrentVolID(copy) == gMC->VolId("V0L2") ) | |
889 | ringNumber = 2.0; | |
890 | else if ( gMC->CurrentVolID(copy) == gMC->VolId("V0R3") || | |
891 | gMC->CurrentVolID(copy) == gMC->VolId("V0L3") ) | |
892 | ringNumber = 3.0; | |
893 | else if ( gMC->CurrentVolID(copy) == gMC->VolId("V0R4") || | |
894 | gMC->CurrentVolID(copy) == gMC->VolId("V0L4") ) | |
895 | ringNumber = 4.0; | |
896 | else | |
897 | ringNumber = 0.0; | |
898 | ||
899 | if ( ringNumber > 0.5 ) { | |
900 | ||
901 | destep = gMC->Edep(); | |
902 | step = gMC->TrackStep(); | |
903 | ||
904 | nPhotonsInStep = Int_t(destep / (fLightYield *1e-9) ); | |
905 | nPhotonsInStep = gRandom->Poisson(nPhotonsInStep); | |
906 | ||
907 | eloss += destep; | |
908 | tlength += step; | |
909 | ||
910 | if ( gMC->IsTrackEntering() ) { | |
911 | ||
912 | nPhotons = nPhotonsInStep; | |
913 | gMC->TrackPosition(fTrackPosition); | |
914 | gMC->TrackMomentum(fTrackMomentum); | |
915 | ||
916 | Float_t pt = TMath::Sqrt( fTrackMomentum.Px() * fTrackMomentum.Px() + | |
917 | fTrackMomentum.Py() * fTrackMomentum.Py() ); | |
918 | ||
919 | hits[0] = fTrackPosition.X(); | |
920 | hits[1] = fTrackPosition.Y(); | |
921 | hits[2] = fTrackPosition.Z(); | |
922 | hits[3] = Float_t (gMC->TrackPid()); | |
923 | ||
924 | hits[4] = gMC->TrackTime(); | |
925 | hits[5] = gMC->TrackCharge(); | |
926 | hits[6] = fTrackMomentum.Theta()*TMath::RadToDeg(); | |
927 | hits[7] = fTrackMomentum.Phi()*TMath::RadToDeg(); | |
928 | hits[8] = ringNumber; | |
929 | ||
930 | hits[9] = pt; | |
931 | hits[10] = fTrackMomentum.P(); | |
932 | hits[11] = fTrackMomentum.Px(); | |
933 | hits[12] = fTrackMomentum.Py(); | |
934 | hits[13] = fTrackMomentum.Pz(); | |
935 | ||
936 | TParticle *par = gAlice->GetMCApp()->Particle(gAlice->GetMCApp()->GetCurrentTrackNumber()); | |
937 | hits[14] = par->Vx(); | |
938 | hits[15] = par->Vy(); | |
939 | hits[16] = par->Vz(); | |
940 | ||
941 | tlength = 0.0; | |
942 | eloss = 0.0; | |
943 | } | |
944 | ||
945 | nPhotons = nPhotons + nPhotonsInStep; | |
946 | ||
947 | if( gMC->IsTrackExiting() || gMC->IsTrackStop() || gMC->IsTrackDisappeared()){ | |
948 | ||
949 | nPhotons = nPhotons - Int_t((Float_t(nPhotons) * fLightAttenuation * fnMeters)); | |
950 | nPhotons = nPhotons - Int_t( Float_t(nPhotons) * fFibToPhot); | |
951 | ||
952 | hits[17] = eloss; | |
953 | hits[18] = tlength; | |
954 | hits[19] = nPhotons; | |
955 | hits[20] = GetCellId (vol, hits); | |
956 | ||
957 | AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits); | |
958 | ||
959 | tlength = 0.0; | |
960 | eloss = 0.0; | |
961 | nPhotons = 0; | |
962 | nPhotonsInStep = 0; | |
963 | ||
964 | numStep = 0; | |
965 | } | |
966 | } | |
967 | ||
968 | } | |
969 | ||
970 | //_____________________________________________________________________________ | |
971 | void AliVZEROv4::AddHit(Int_t track, Int_t *vol, Float_t *hits) | |
972 | { | |
973 | ||
974 | // Adds a VZERO hit | |
975 | ||
976 | TClonesArray &lhits = *fHits; | |
977 | new(lhits[fNhits++]) AliVZEROhit(fIshunt,track,vol,hits); | |
978 | } | |
979 | ||
980 | //_____________________________________________________________________________ | |
981 | void AliVZEROv4::AddDigits(Int_t *tracks, Int_t* digits) | |
982 | { | |
983 | ||
984 | // Adds a VZERO digit | |
985 | ||
986 | TClonesArray &ldigits = *fDigits; | |
987 | new(ldigits[fNdigits++]) AliVZEROdigit(tracks, digits); | |
988 | } | |
989 | ||
990 | //_____________________________________________________________________________ | |
991 | void AliVZEROv4::MakeBranch(Option_t *option) | |
992 | { | |
993 | ||
994 | // Creates new branches in the current Root Tree | |
995 | ||
996 | char branchname[10]; | |
997 | sprintf(branchname,"%s",GetName()); | |
998 | printf(" fBufferSize = %d \n",fBufferSize); | |
999 | ||
1000 | const char *cH = strstr(option,"H"); | |
1001 | ||
1002 | if (fHits && TreeH() && cH) { | |
1003 | TreeH()->Branch(branchname,&fHits, fBufferSize); | |
1004 | printf("* AliDetector::MakeBranch * Making Branch %s for hits\n",branchname); | |
1005 | } | |
1006 | ||
1007 | const char *cD = strstr(option,"D"); | |
1008 | ||
1009 | if (fDigits && fLoader->TreeD() && cD) { | |
1010 | fLoader->TreeD()->Branch(branchname,&fDigits, fBufferSize); | |
1011 | printf("* AliDetector::MakeBranch * Making Branch %s for digits\n",branchname); | |
1012 | } | |
1013 | ||
1014 | } | |
1015 | ||
1016 | //_____________________________________________________________________________ | |
1017 | Int_t AliVZEROv4::GetCellId(Int_t *vol, Float_t *hits) | |
1018 | { | |
1019 | ||
1020 | // Returns Id of scintillator cell | |
1021 | // Right side from 0 to 47 | |
1022 | // Left side from 48 to 95 | |
1023 | ||
1024 | Int_t index = vol[1]; | |
1025 | fCellId = 0; | |
1026 | ||
1027 | if (index < 10) index = index + 12; | |
1028 | ||
1029 | if (hits[2] < 0.0) { | |
1030 | index = (index - 10) + ( ( Int_t(hits[8]) - 1 ) * 12); | |
1031 | fCellId = index; | |
1032 | } | |
1033 | else if (hits[2] > 0.0) | |
1034 | { | |
1035 | index = (index + 38) + ( ( Int_t(hits[8]) - 1 ) * 12); | |
1036 | fCellId = index;} | |
1037 | ||
1038 | return fCellId; | |
1039 | } |