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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> | |
79b41939 | 38 | #include <TGeometry.h> |
39 | #include <TLorentzVector.h> | |
40 | #include <TMath.h> | |
41 | #include <TNode.h> | |
42 | #include <TObjectTable.h> | |
43 | #include <TTUBE.h> | |
44 | #include <TTUBS.h> | |
45 | #include <TVirtualMC.h> | |
46 | #include <TParticle.h> | |
47 | ||
48 | // --- AliRoot header files --- | |
49 | #include "AliRun.h" | |
50 | #include "AliMC.h" | |
51 | #include "AliConst.h" | |
52 | #include "AliMagF.h" | |
53 | #include "AliVZEROLoader.h" | |
54 | #include "AliVZEROdigit.h" | |
55 | #include "AliVZEROhit.h" | |
56 | #include "AliVZEROv4.h" | |
57 | ||
58 | ClassImp(AliVZEROv4) | |
59 | ||
60 | //_____________________________________________________________________________ | |
61 | AliVZEROv4:: AliVZEROv4():AliVZERO() | |
62 | { | |
63 | // Standard default constructor | |
64 | } | |
65 | ||
66 | //_____________________________________________________________________________ | |
67 | AliVZEROv4::AliVZEROv4(const char *name, const char *title): | |
68 | AliVZERO(name,title) | |
69 | { | |
70 | ||
71 | // Standard constructor for V-zero Detector version 2 | |
72 | ||
73 | Int_t i; | |
74 | ||
75 | printf("\n"); | |
76 | for(i=0;i<26;i++) printf("*"); | |
77 | printf(" Create VZERO object "); | |
78 | for(i=0;i<26;i++) printf("*"); | |
79 | printf("\n"); | |
80 | ||
81 | fLightYield = 93.75; // Light yield in BC408 (93.75 eV per photon) | |
82 | fLightAttenuation = 0.05; // Light attenuation in fiber (0.05 per meter) | |
83 | fnMeters = 15.0; // Number of meters of clear fibers to PM | |
84 | fFibToPhot = 0.3; // Attenuation at fiber-photocathode interface | |
85 | } | |
86 | ||
87 | //_____________________________________________________________________________ | |
88 | void AliVZEROv4::CreateGeometry() | |
89 | { | |
90 | ||
91 | // Creates the GEANT geometry of the V-zero Detector version 3 | |
92 | ||
93 | Int_t i; | |
94 | ||
95 | printf("\n"); | |
96 | for(i=0;i<26;i++) printf("*"); | |
97 | printf(" Create VZERO Geometry "); | |
98 | for(i=0;i<26;i++) printf("*"); | |
99 | printf("\n"); | |
100 | ||
101 | Int_t *idtmed = fIdtmed->GetArray()-2999; | |
102 | ||
103 | Int_t ndetR = 1; | |
104 | Int_t ndetL = 1; | |
105 | ||
106 | Int_t ncellsR = 1; | |
107 | Int_t ncellsL = 1; | |
108 | ||
109 | Int_t idrotm[999]; | |
110 | ||
111 | Float_t height1Right, height2Right, height3Right, height4Right; | |
112 | Float_t heightRight; | |
113 | Float_t theta; | |
114 | ||
115 | Float_t halfThickQua; | |
116 | ||
117 | Float_t zdet; | |
118 | Float_t r0Right, r4Right; | |
119 | Float_t pi = TMath::Pi(); | |
120 | ||
121 | height1Right = 3.42; // height of cell 1, in cm | |
122 | height2Right = 6.78; // height of cell 2, in cm | |
123 | height3Right = 7.11; // height of cell 3, in cm | |
124 | height4Right = 10.91; // height of cell 4, in cm | |
125 | ||
126 | theta = pi/6.0/2.0; // half angular opening = 15 degrees | |
127 | ||
128 | halfThickQua= fThickness1/2.0; // half thickness of elementary cell (inner ring) | |
129 | ||
130 | // distance 0.6 cm in zdet accounts for the fact V0R box back lid sits 0.6 away from | |
131 | // absorber nose sitting at 90 cm. Will use -zdet later... | |
132 | // size of V0R box (fThickness) is increased by 1 mm as compared to version v2 | |
133 | ||
134 | fThickness = fThickness + 0.1; | |
135 | zdet = 90.0 - 0.6 - fThickness/2.0; // distance to vertex (along Z axis) | |
136 | r0Right = 4.05; // closest distance to center of the beam pipe | |
137 | heightRight = height1Right + height2Right + height3Right + height4Right; | |
138 | r4Right = r0Right + heightRight; | |
139 | ||
140 | // Creation of mother volume v0LE - left part - : | |
141 | // Entrance face at +350.0 cm (new coordinate system) ... | |
142 | ||
143 | Float_t partube[3]; | |
144 | ||
145 | partube[0] = 4.3; | |
146 | partube[1] = 45.0; | |
147 | partube[2] = fThickness1/2.0; | |
148 | ||
149 | gMC->Gsvolu("V0LE","TUBE",idtmed[3005],partube,3); | |
150 | ||
151 | // Creation of five rings - left part - : | |
152 | // Entrance face at +350.0 cm (new coordinate system) ... | |
153 | ||
154 | // Mother volume v0L0 in which will be set 5 scintillator cells | |
155 | ||
156 | Float_t partubs[5]; | |
157 | ||
158 | Float_t r0Left = 4.3; | |
159 | Float_t height1Left = 3.6; | |
160 | Float_t height2Left = 6.4; | |
161 | Float_t height3Left = 14.9; | |
162 | Float_t height4Left = 14.4; | |
163 | Float_t heightLeft = height1Left + height2Left + height3Left + height4Left; | |
164 | ||
165 | Float_t r4Left = r0Left + heightLeft; | |
166 | ||
167 | partubs[0] = r0Left; | |
168 | partubs[1] = r4Left; | |
169 | partubs[2] = fThickness1/2.0; | |
170 | partubs[3] = 90.0-15.0; | |
171 | partubs[4] = 120.0-15.0; | |
172 | ||
173 | gMC->Gsvolu("V0L0","TUBS",idtmed[3010],partubs,5); // air volume | |
174 | ||
175 | Float_t r1Left = r0Left + height1Left; | |
176 | ||
177 | partubs[0] = r0Left; | |
178 | partubs[1] = r1Left; | |
179 | ||
180 | gMC->Gsvolu("V0L1","TUBS",idtmed[3005],partubs,5); // quartz volume | |
181 | gMC->Gspos("V0L1",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY"); | |
182 | ||
183 | Float_t r2Left = r1Left + height2Left; | |
184 | ||
185 | partubs[0] = r1Left; | |
186 | partubs[1] = r2Left; | |
187 | ||
188 | gMC->Gsvolu("V0L2","TUBS",idtmed[3005],partubs,5); // quartz volume | |
189 | gMC->Gspos("V0L2",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY"); | |
190 | ||
191 | Float_t r3Left = r2Left + height3Left; | |
192 | ||
193 | partubs[0] = r2Left; | |
194 | partubs[1] = r3Left; | |
195 | ||
196 | gMC->Gsvolu("V0L3","TUBS",idtmed[3005],partubs,5); // quartz volume | |
197 | gMC->Gspos("V0L3",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY"); | |
198 | ||
199 | partubs[0] = r3Left; | |
200 | partubs[1] = r4Left; | |
201 | ||
202 | gMC->Gsvolu("V0L4","TUBS",idtmed[3005],partubs,5); // quartz volume | |
203 | gMC->Gspos("V0L4",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY"); | |
204 | ||
205 | // Creation of mother volume v0RI - right part - : | |
206 | ||
207 | partube[0] = r0Right - 0.2; | |
208 | partube[1] = r4Right + 1.0; | |
209 | partube[2] = fThickness/2.0; | |
210 | ||
211 | gMC->Gsvolu("V0RI","TUBE",idtmed[3010],partube,3); | |
212 | ||
213 | // Creation of carbon lids (3.5 mm thick) to keep v0RI box shut... | |
214 | ||
215 | Float_t lidThickness = 0.35; | |
216 | ||
217 | partube[0] = r0Right; | |
218 | partube[1] = r4Right; | |
219 | partube[2] = +lidThickness/2.0; | |
220 | ||
221 | gMC->Gsvolu("V0CA","TUBE",idtmed[3001],partube,3); | |
222 | gMC->Gspos("V0CA",1,"V0RI",0.0,0.0, fThickness/2.0-partube[2],0,"ONLY"); | |
223 | gMC->Gspos("V0CA",2,"V0RI",0.0,0.0,-fThickness/2.0+partube[2],0,"ONLY"); | |
224 | ||
225 | // Creation of aluminum rings to maintain the v0RI pieces ... | |
226 | ||
227 | partube[0] = r0Right - 0.2; | |
228 | partube[1] = r0Right; | |
229 | partube[2] = +fThickness/2.0; | |
230 | ||
231 | gMC->Gsvolu("V0IR","TUBE",idtmed[3003],partube,3); | |
232 | gMC->Gspos("V0IR",1,"V0RI",0.0,0.0,0.0,0,"ONLY"); | |
233 | ||
234 | partube[0] = r4Right; | |
235 | partube[1] = r4Right + 1.0; | |
236 | partube[2] = +fThickness/2.0; | |
237 | ||
238 | gMC->Gsvolu("V0ER","TUBE",idtmed[3003],partube,3); | |
239 | gMC->Gspos("V0ER",1,"V0RI",0.0,0.0,0.0,0,"ONLY"); | |
240 | ||
241 | // Mother volume v0R0 in which will be set 4 scintillator cells | |
242 | ||
243 | partubs[0] = r0Right; | |
244 | partubs[1] = r4Right; | |
245 | partubs[2] = fThickness/2.0; | |
246 | partubs[3] = 90.0-15.0; | |
247 | partubs[4] = 120.0-15.0; | |
248 | ||
249 | gMC->Gsvolu("V0R0","TUBS",idtmed[3010],partubs,5); // air volume | |
250 | ||
251 | // Elementary cell of ring 1 : | |
252 | // (cells of ring 1 will be shifted by 1.7 cm towards vertex to output fibers) | |
253 | ||
254 | Float_t offsetFibers = 1.7; | |
255 | Float_t offset = fThickness/2.0 - lidThickness - fThickness1/2.0; | |
256 | Float_t r1Right = r0Right + height1Right; | |
257 | ||
258 | partubs[0] = r0Right; | |
259 | partubs[1] = r1Right; | |
260 | partubs[2] = fThickness1/2.0; | |
261 | ||
262 | gMC->Gsvolu("V0R1","TUBS",idtmed[3005],partubs,5); // scintillator volume | |
263 | gMC->Gspos("V0R1",1,"V0R0", 0.0, 0.0 , -offset + offsetFibers, 0,"ONLY"); | |
264 | ||
265 | // Elementary cell of ring 2 : | |
266 | ||
267 | Float_t r2Right = r1Right + height2Right; | |
268 | ||
269 | partubs[0] = r1Right; | |
270 | partubs[1] = r2Right; | |
271 | ||
272 | gMC->Gsvolu("V0R2","TUBS",idtmed[3005],partubs,5); // scintillator volume | |
273 | gMC->Gspos("V0R2",1,"V0R0", 0.0, 0.0 , -offset, 0,"ONLY"); | |
274 | ||
275 | ||
276 | // Elementary cell of ring 3 : | |
277 | ||
278 | Float_t r3Right = r2Right + height3Right; | |
279 | ||
280 | partubs[0] = r2Right; | |
281 | partubs[1] = r3Right; | |
282 | ||
283 | gMC->Gsvolu("V0R3","TUBS",idtmed[3005],partubs,5); // scintillator volume | |
284 | gMC->Gspos("V0R3",1,"V0R0", 0.0, 0.0 , -offset, 0,"ONLY"); | |
285 | ||
286 | // Elementary cell of ring 4 : | |
287 | ||
288 | partubs[0] = r3Right; | |
289 | partubs[1] = r4Right; | |
290 | ||
291 | gMC->Gsvolu("V0R4","TUBS",idtmed[3005],partubs,5); // scintillator volume | |
292 | gMC->Gspos("V0R4",1,"V0R0", 0.0, 0.0 , -offset, 0,"ONLY"); | |
293 | ||
294 | Float_t phiDeg = 180./6.; | |
295 | ||
296 | // Right part : | |
297 | ||
298 | for(Float_t phi = 15.0 ; phi < 360.0; phi = phi + phiDeg) | |
299 | { | |
300 | AliMatrix(idrotm[902], 90.0, phi, 90.0, 90.0 +phi, 0.0 , 0.0); | |
301 | gMC->Gspos("V0R0",ndetR,"V0RI",0.0, | |
302 | 0.0,0.0,idrotm[902],"ONLY"); | |
303 | ndetR++; | |
304 | } | |
305 | ||
306 | gMC->Gspos("V0RI",1,"ALIC",0.0,0.0,-zdet,0,"ONLY"); | |
307 | ||
308 | ncellsR = (ndetR - 1) * 4; | |
309 | printf(" Number of cells on Right side = %d\n", ncellsR); | |
310 | ||
311 | // Left part : | |
312 | ||
313 | for(Float_t phi = 15.0 ; phi < 360.0; phi = phi + phiDeg) | |
314 | { | |
315 | AliMatrix(idrotm[902], 90.0, phi, 90.0, 90.0 +phi, 0.0 , 0.0); | |
316 | gMC->Gspos("V0L0",ndetL,"V0LE",0.0, | |
317 | 0.0,0.0,idrotm[902],"ONLY"); | |
318 | ndetL++; | |
319 | } | |
320 | ||
321 | gMC->Gspos("V0LE",1,"ALIC",0.0,0.0,350.0+fThickness1/2.0,0,"ONLY"); | |
322 | ||
323 | ncellsL = (ndetL - 1) * 4; | |
324 | printf(" Number of cells on Left side = %d\n", ncellsL); | |
325 | for(i=0;i<75;i++) printf("*"); | |
326 | printf("\n"); | |
327 | ||
328 | } | |
329 | ||
330 | //_____________________________________________________________________________ | |
331 | void AliVZEROv4::BuildGeometry() | |
332 | { | |
333 | ||
334 | // Builds simple ROOT TNode geometry for event display | |
335 | ||
336 | Int_t i; | |
337 | ||
338 | printf("\n"); | |
339 | for(i=0;i<30;i++) printf("*"); | |
340 | printf(" VZERO BuildGeometry "); | |
341 | for(i=0;i<30;i++) printf("*"); | |
342 | printf("\n"); | |
343 | ||
344 | TNode *top; | |
345 | ||
346 | TNode *v0Rnode, *v0Rnode0, *v0Rnode6 , *v0Rnode7, *v0Rnode8, *v0Rnode9; | |
347 | TNode *v0Rnode1, *v0Rnode2, *v0Rnode3, *v0Rnode4; | |
348 | TNode *v0Lnode, *v0Lnode0; | |
349 | TNode *v0Lnode1, *v0Lnode2, *v0Lnode3, *v0Lnode4; | |
350 | ||
351 | const int kColorVZERO = kGreen; | |
352 | ||
353 | top = gAlice->GetGeometry()->GetNode("alice"); | |
354 | ||
355 | Float_t height1Right, height2Right, height3Right, height4Right; | |
356 | Float_t heightRight; | |
357 | Float_t theta; | |
358 | ||
359 | Float_t halfThickQua; | |
360 | Float_t zdet; | |
361 | Float_t r0Right, r4Right; | |
362 | Float_t pi = TMath::Pi(); | |
363 | ||
364 | height1Right = 3.42; // height of cell 1, in cm | |
365 | height2Right = 6.78; // height of cell 2, in cm | |
366 | height3Right = 7.11; // height of cell 3, in cm | |
367 | height4Right = 10.91; // height of cell 4, in cm | |
368 | ||
369 | theta = pi/6.0/2.0; | |
370 | ||
371 | halfThickQua = fThickness1/2.0; | |
372 | ||
373 | zdet = 90.0 - 0.6 - fThickness/2.0; | |
374 | r0Right = 4.05; | |
375 | heightRight = height1Right + height2Right + height3Right + height4Right; | |
376 | r4Right = r0Right + heightRight; | |
377 | ||
378 | Int_t ndiv = 1; | |
379 | ||
380 | Float_t partube[3]; | |
381 | ||
382 | partube[0] = r0Right - 0.2; | |
383 | partube[1] = r4Right + 1.0; | |
384 | partube[2] = fThickness/2.0; | |
385 | ||
386 | TTUBE *v0RI = new TTUBE("V0RI", "V0RI", "void", partube[0], partube[1], partube[2]); | |
387 | ||
388 | top->cd(); | |
389 | ||
390 | v0Rnode = new TNode("V0RI","V0RI",v0RI,0.0,0.0,-zdet,0); | |
391 | ||
392 | v0Rnode->SetLineColor(kYellow); | |
393 | fNodes->Add(v0Rnode); | |
394 | v0Rnode->SetVisibility(2); | |
395 | ||
396 | // Rondelles de carbone (epaisseur 3.5 mm) de maintien des cellules ... | |
397 | ||
398 | Float_t lidThickness = 0.35; | |
399 | ||
400 | partube[0] = r0Right; | |
401 | partube[1] = r4Right; | |
402 | partube[2] = +lidThickness/2.0; | |
403 | ||
404 | TTUBE *v0CA = new TTUBE("V0CA", "V0CA", "void",partube[0], partube[1], partube[2]); | |
405 | ||
406 | v0Rnode->cd(); | |
407 | v0Rnode6 = new TNode("V0CA", "V0CA",v0CA,0.0,0.0, fThickness/2.0-partube[2],0); | |
408 | v0Rnode6->SetLineColor(kYellow); | |
409 | fNodes->Add(v0Rnode6); | |
410 | v0Rnode->cd(); | |
411 | v0Rnode7 = new TNode("V0CA", "V0CA",v0CA,0.0,0.0,-fThickness/2.0+partube[2],0); | |
412 | v0Rnode7->SetLineColor(kYellow); | |
413 | fNodes->Add(v0Rnode7); | |
414 | ||
415 | partube[0] = r0Right - 0.2; | |
416 | partube[1] = r0Right; | |
417 | partube[2] = +fThickness/2.0; | |
418 | ||
419 | TTUBE *v0IR = new TTUBE("V0IR","V0IR","void", partube[0], partube[1], partube[2]); | |
420 | ||
421 | v0Rnode->cd(); | |
422 | v0Rnode8 = new TNode("V0IR", "V0IR",v0IR,0.0,0.0,0.0,0); | |
423 | v0Rnode8->SetLineColor(kYellow); | |
424 | fNodes->Add(v0Rnode8); | |
425 | ||
426 | partube[0] = r4Right; | |
427 | partube[1] = r4Right + 1.0; | |
428 | partube[2] = +fThickness/2.0; | |
429 | ||
430 | TTUBE *v0ER = new TTUBE("V0ER","V0ER","void", partube[0], partube[1], partube[2]); | |
431 | ||
432 | v0Rnode->cd(); | |
433 | v0Rnode9 = new TNode("V0ER", "V0ER",v0ER,0.0,0.0,0.0,0); | |
434 | v0Rnode9->SetLineColor(kYellow); | |
435 | fNodes->Add(v0Rnode9); | |
436 | ||
437 | Float_t partubs[5]; | |
438 | ||
439 | partubs[0] = r0Right; | |
440 | partubs[1] = r4Right; | |
441 | partubs[2] = fThickness/2.0; | |
442 | partubs[3] = 90.0-15.0; | |
443 | partubs[4] = 120.0-15.0; | |
444 | ||
445 | TTUBS *v0R0 = new TTUBS("V0R0", "V0R0", "void",partubs[0], partubs[1], partubs[2], | |
446 | partubs[3], partubs[4]); | |
447 | ||
448 | v0R0->SetNumberOfDivisions(ndiv); | |
449 | ||
450 | Float_t r1Right = r0Right + height1Right; | |
451 | Float_t offset = fThickness/2.0 - lidThickness - fThickness1/2.0; | |
452 | Float_t offsetFibers = 1.7; | |
453 | ||
454 | partubs[0] = r0Right; | |
455 | partubs[1] = r1Right; | |
456 | partubs[2] = fThickness1/2.0; | |
457 | ||
458 | TTUBS *v0R1 = new TTUBS("V0R1", "V0R1", "void", partubs[0], partubs[1], partubs[2], | |
459 | partubs[3], partubs[4]); | |
460 | ||
461 | v0R1->SetNumberOfDivisions(ndiv); | |
462 | ||
463 | Float_t r2Right = r1Right + height2Right; | |
464 | ||
465 | partubs[0] = r1Right; | |
466 | partubs[1] = r2Right; | |
467 | ||
468 | TTUBS *v0R2 = new TTUBS("V0R2", "V0R2", "void", partubs[0], partubs[1], partubs[2], | |
469 | partubs[3], partubs[4]); | |
470 | ||
471 | v0R2->SetNumberOfDivisions(ndiv); | |
472 | ||
473 | Float_t r3Right = r2Right + height3Right; | |
474 | ||
475 | partubs[0] = r2Right; | |
476 | partubs[1] = r3Right; | |
477 | ||
478 | TTUBS *v0R3 = new TTUBS("V0R3", "V0R3", "void", partubs[0], partubs[1], partubs[2], | |
479 | partubs[3], partubs[4]); | |
480 | v0R3->SetNumberOfDivisions(ndiv); | |
481 | ||
482 | partubs[0] = r3Right; | |
483 | partubs[1] = r4Right; | |
484 | ||
485 | TTUBS *v0R4 = new TTUBS("V0R4", "V0R4", "void", partubs[0], partubs[1], partubs[2], | |
486 | partubs[3], partubs[4]); | |
487 | v0R4->SetNumberOfDivisions(ndiv); | |
488 | ||
489 | Float_t phi; | |
490 | Float_t phiDeg= 180./6.; | |
491 | ||
492 | Int_t ndetR = 1; | |
493 | ||
494 | char nameNode[12]; | |
495 | ||
496 | for (phi = 15.0; phi < 360.0; phi = phi + phiDeg) | |
497 | ||
498 | { | |
499 | TRotMatrix* mat920 = new TRotMatrix("rot920","rot920", 90.0, +phi, 90., 90.+phi, 0.0, 0.0 ); | |
500 | ||
501 | sprintf(nameNode,"SUBDER%d",ndetR); | |
502 | ||
503 | v0Rnode->cd(); | |
504 | v0Rnode0 = new TNode(nameNode,nameNode,v0R0,0.0,0.0, 0.0,mat920); | |
505 | v0Rnode0->SetLineColor(kYellow); | |
506 | fNodes->Add(v0Rnode0); | |
507 | ndetR++; | |
508 | ||
509 | sprintf(nameNode,"SUBDER%d",ndetR); | |
510 | v0Rnode0->cd(); | |
511 | v0Rnode1 = new TNode(nameNode,nameNode,v0R1,0.0,0.0, -offset+ offsetFibers ,0); | |
512 | v0Rnode1->SetLineColor(kColorVZERO); | |
513 | fNodes->Add(v0Rnode1); | |
514 | ndetR++; | |
515 | ||
516 | sprintf(nameNode,"SUBDER%d",ndetR); | |
517 | v0Rnode0->cd(); | |
518 | v0Rnode2 = new TNode(nameNode,nameNode,v0R2,0.0,0.0, -offset,0); | |
519 | v0Rnode2->SetLineColor(kColorVZERO); | |
520 | fNodes->Add(v0Rnode2); | |
521 | ndetR++; | |
522 | ||
523 | sprintf(nameNode,"SUBDER%d",ndetR); | |
524 | v0Rnode0->cd(); | |
525 | v0Rnode3 = new TNode(nameNode,nameNode,v0R3,0.0,0.0, -offset,0); | |
526 | v0Rnode3->SetLineColor(kColorVZERO); | |
527 | fNodes->Add(v0Rnode3); | |
528 | ndetR++; | |
529 | ||
530 | sprintf(nameNode,"SUBDER%d",ndetR); | |
531 | v0Rnode0->cd(); | |
532 | v0Rnode4 = new TNode(nameNode,nameNode,v0R4,0.0,0.0, -offset,0); | |
533 | v0Rnode4->SetLineColor(kColorVZERO); | |
534 | fNodes->Add(v0Rnode4); | |
535 | ndetR++; | |
536 | ||
537 | v0Rnode0->SetVisibility(2); | |
538 | } | |
539 | ||
540 | // Left side of VZERO : | |
541 | ||
542 | Float_t r0Left = 4.3; | |
543 | Float_t height1Left = 3.6; | |
544 | Float_t height2Left = 6.4; | |
545 | Float_t height3Left = 14.9; | |
546 | Float_t height4Left = 14.4; | |
547 | Float_t heightLeft = height1Left + height2Left + height3Left + height4Left; | |
548 | ||
549 | Float_t r4Left = r0Left + heightLeft; | |
550 | ||
551 | partube[0] = r0Left; | |
552 | partube[1] = r4Left; | |
553 | partube[2] = fThickness1/2.0; | |
554 | ||
555 | TTUBE *v0LE = new TTUBE("V0LE", "V0LE", "void", partube[0], partube[1], partube[2]); | |
556 | ||
557 | top->cd(); | |
558 | ||
559 | v0Lnode = new TNode("V0LE","V0LE",v0LE,0.0,0.0,350.0+fThickness1/2.0,0); | |
560 | ||
561 | v0Lnode->SetLineColor(kBlue); | |
562 | fNodes->Add(v0Lnode); | |
563 | ||
564 | v0Lnode->SetVisibility(2); | |
565 | ||
566 | partubs[0] = r0Left; | |
567 | partubs[1] = r4Left; | |
568 | partubs[2] = fThickness1/2.0; | |
569 | partubs[3] = 90.0-15.0; | |
570 | partubs[4] = 120.0-15.0; | |
571 | ||
572 | TTUBS *v0L0 = new TTUBS("V0L0", "V0L0", "void", partubs[0], partubs[1], partubs[2], | |
573 | partubs[3], partubs[4]); | |
574 | ||
575 | v0L0->SetNumberOfDivisions(ndiv); | |
576 | v0L0->SetLineColor(7); | |
577 | ||
578 | Float_t offsetLeft; | |
579 | offsetLeft = - fThickness1/2.0; | |
580 | ||
581 | Float_t r1Left = r0Left + height1Left; | |
582 | ||
583 | partubs[0] = r0Left; | |
584 | partubs[1] = r1Left; | |
585 | ||
586 | TTUBS *v0L1 = new TTUBS("V0L1", "V0L1", "void", partubs[0], partubs[1], partubs[2], | |
587 | partubs[3], partubs[4]); | |
588 | v0L1->SetNumberOfDivisions(ndiv); | |
589 | ||
590 | Float_t r2Left = r1Left + height2Left; | |
591 | ||
592 | partubs[0] = r1Left; | |
593 | partubs[1] = r2Left; | |
594 | ||
595 | TTUBS *v0L2 = new TTUBS("V0L2", "V0L2", "void", partubs[0], partubs[1], partubs[2], | |
596 | partubs[3], partubs[4]); | |
597 | v0L2->SetNumberOfDivisions(ndiv); | |
598 | ||
599 | Float_t r3Left = r2Left + height3Left; | |
600 | ||
601 | partubs[0] = r2Left; | |
602 | partubs[1] = r3Left; | |
603 | ||
604 | TTUBS *v0L3 = new TTUBS("V0L3", "V0L3", "void", partubs[0], partubs[1], partubs[2], | |
605 | partubs[3], partubs[4]); | |
606 | v0L3->SetNumberOfDivisions(ndiv); | |
607 | ||
608 | partubs[0] = r3Left; | |
609 | partubs[1] = r4Left; | |
610 | ||
611 | TTUBS *v0L4 = new TTUBS("V0L4", "V0L4", "void", partubs[0], partubs[1], partubs[2], | |
612 | partubs[3], partubs[4]); | |
613 | v0L4->SetNumberOfDivisions(ndiv); | |
614 | ||
615 | Int_t ndetL = 1; | |
616 | ||
617 | for (phi = 15.0; phi < 360.0; phi = phi + phiDeg) | |
618 | ||
619 | { | |
620 | ||
621 | TRotMatrix* mat920 = new TRotMatrix("rot920","rot920", 90.0, +phi, 90., 90.+phi, 0.0, 0.0 ); | |
622 | ||
623 | sprintf(nameNode,"SUBDEL%d",ndetL); | |
624 | ||
625 | v0Lnode->cd(); | |
626 | v0Lnode0 = new TNode(nameNode,nameNode,v0L0,0.0,0.0, offsetLeft + halfThickQua,mat920); | |
627 | v0Lnode0->SetLineColor(kColorVZERO); | |
628 | fNodes->Add(v0Lnode0); | |
629 | ndetL++; | |
630 | ||
631 | sprintf(nameNode,"SUBDEL%d",ndetL); | |
632 | v0Lnode0->cd(); | |
633 | v0Lnode1 = new TNode(nameNode,nameNode,v0L1,0.0,0.0, 0.0,0); | |
634 | v0Lnode1->SetLineColor(kColorVZERO); | |
635 | fNodes->Add(v0Lnode1); | |
636 | ndetL++; | |
637 | ||
638 | sprintf(nameNode,"SUBDEL%d",ndetL); | |
639 | v0Lnode0->cd(); | |
640 | v0Lnode2 = new TNode(nameNode,nameNode,v0L2,0.0,0.0, 0.0,0); | |
641 | v0Lnode2->SetLineColor(kColorVZERO); | |
642 | fNodes->Add(v0Lnode2); | |
643 | ndetL++; | |
644 | ||
645 | sprintf(nameNode,"SUBDEL%d",ndetL); | |
646 | v0Lnode0->cd(); | |
647 | v0Lnode3 = new TNode(nameNode,nameNode,v0L3,0.0,0.0, 0.0,0); | |
648 | v0Lnode3->SetLineColor(kColorVZERO); | |
649 | fNodes->Add(v0Lnode3); | |
650 | ndetL++; | |
651 | ||
652 | sprintf(nameNode,"SUBDEL%d",ndetL); | |
653 | v0Lnode0->cd(); | |
654 | v0Lnode4 = new TNode(nameNode,nameNode,v0L4,0.0,0.0, 0.0,0); | |
655 | v0Lnode4->SetLineColor(kColorVZERO); | |
656 | fNodes->Add(v0Lnode4); | |
657 | ndetL++; | |
658 | ||
659 | v0Lnode0->SetVisibility(2); | |
660 | } | |
661 | } | |
662 | ||
663 | //_____________________________________________________________________________ | |
664 | void AliVZEROv4::CreateMaterials() | |
665 | { | |
666 | ||
667 | // Creates materials used for geometry | |
668 | ||
669 | Int_t i; | |
670 | ||
671 | printf("\n"); | |
672 | for(i=0;i<25;i++) printf("*"); | |
673 | printf(" VZERO create materials "); | |
674 | for(i=0;i<26;i++) printf("*"); | |
675 | printf("\n"); | |
676 | ||
677 | /* | |
678 | 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, | |
679 | 6.9e-9, 7.1e-9, 7.3e-9, 7.5e-9, 7.7e-9, 7.9e-9, 8.1e-9 }; | |
680 | ||
681 | ||
682 | 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, | |
683 | 6.9e-9, 7.1e-9, 7.3e-9, 7.5e-9, 7.7e-9, 7.9e-9, 8.1e-9 }; | |
684 | ||
685 | Float_t rindex_quarz[14] = { 1.52398, 1.53090, 1.53835, 1.54641, 1.55513, 1.56458, | |
686 | 1.57488, 1.58611, 1.59842, 1.61197, 1.62696, 1.64362, | |
687 | 1.662295, 1.68337 }; | |
688 | ||
689 | Float_t absco_quarz[14] = { 105.8, 45.656, 35.665, 28.598, 25.007, 21.04, 17.525, | |
690 | 14.177, 9.282, 4.0925, 1.149, 0.3627, 0.1497, 0.05 }; | |
691 | ||
692 | Float_t effic_all[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. }; | |
693 | ||
694 | ||
695 | Float_t rindex_alu[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. }; | |
696 | ||
697 | ||
698 | 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, | |
699 | 1e-4,1e-4,1e-4,1e-4 }; | |
700 | Float_t effic_alu[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. }; | |
701 | ||
702 | */ | |
703 | ||
704 | Int_t *idtmed = fIdtmed->GetArray()-2999; | |
705 | ||
79b41939 | 706 | |
707 | // Parameters related to Quarz (SiO2) : | |
708 | ||
709 | Float_t aqua[2], zqua[2], densqua, wmatqua[2]; | |
710 | Int_t nlmatqua; | |
711 | ||
712 | aqua[0] = 28.09; | |
713 | aqua[1] = 16.; | |
714 | zqua[0] = 14.; | |
715 | zqua[1] = 8.; | |
716 | densqua = 2.64; | |
717 | nlmatqua = -2; | |
718 | wmatqua[0] = 1.; | |
719 | wmatqua[1] = 2.; | |
720 | ||
721 | // Parameters related to aluminum sheets : | |
722 | ||
723 | Float_t aal = 26.98; | |
724 | Float_t zal = 13.00; | |
725 | Float_t densal= 2.7; | |
726 | Float_t radlal= 8.9; | |
727 | ||
728 | // Parameters related to scintillator CH : | |
729 | ||
730 | Float_t ascin[2] = {1.00794,12.011}; | |
731 | Float_t zscin[2] = {1.,6.}; | |
732 | Float_t wscin[2] = {1.,1.}; | |
733 | Float_t denscin = 1.032; | |
734 | ||
f7b3a79e | 735 | // AIR |
736 | ||
737 | Float_t aAir[4]={12.,14.,16.,36.}; | |
738 | Float_t zAir[4]={6.,7.,8.,18.}; | |
739 | Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827}; | |
740 | Float_t dAir = 1.20479E-3; | |
741 | ||
79b41939 | 742 | // Definition of materials : |
f7b3a79e | 743 | |
744 | // AIR | |
745 | ||
746 | AliMixture( 1, "AIR A$", aAir,zAir,dAir,4,wAir); | |
747 | AliMixture(11, "AIR I$", aAir,zAir,dAir,4,wAir); | |
79b41939 | 748 | AliMaterial( 2, "CARBON$" , 12.01, 6.0, 2.265, 18.8, 49.9, 0, 0); |
749 | AliMixture( 3, "QUA", aqua, zqua, densqua, nlmatqua, wmatqua); | |
750 | AliMaterial( 4, "ALUMINIUM1$", 26.98, 13., 2.7, 8.9, 37.2, 0, 0); | |
751 | AliMaterial( 5, "ALUMINIUM2$", aal, zal, densal, radlal, 0, 0, 0); | |
752 | ||
753 | AliMixture( 6, "Scintillator$",ascin,zscin,denscin,-2,wscin); | |
754 | ||
755 | ||
756 | Int_t iSXFLD = gAlice->Field()->Integ(); | |
757 | Float_t sXMGMX = gAlice->Field()->Max(); | |
758 | ||
759 | Float_t tmaxfd, stemax, deemax, epsil, stmin; | |
760 | ||
761 | tmaxfd = 10.; | |
762 | stemax = 0.1; | |
763 | deemax = 0.1; | |
764 | epsil = 0.001; | |
765 | stmin = 0.001; | |
766 | ||
767 | // Active Air : | |
768 | AliMedium(1, "ACTIVE AIR$", 1, 1, iSXFLD, sXMGMX, | |
769 | 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ; | |
770 | ||
771 | // Inactive air : | |
772 | ||
773 | AliMedium(11, "INACTIVE AIR$", 11, 0, iSXFLD, sXMGMX, | |
774 | 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ; | |
775 | ||
776 | AliMedium(2, "CARBON$ ", 2, 1, iSXFLD, sXMGMX, | |
777 | tmaxfd, stemax, deemax, epsil, stmin, 0, 0); | |
778 | ||
779 | AliMedium(3, "QUARZ$", 3, 1, iSXFLD, sXMGMX, | |
780 | tmaxfd, fMaxStepQua, fMaxDestepQua, epsil, stmin, 0, 0); | |
781 | ||
782 | AliMedium(4,"ALUMINUM1$",4, 1, iSXFLD, sXMGMX, | |
783 | tmaxfd, fMaxStepAlu, fMaxDestepAlu, epsil, stmin, 0, 0); | |
784 | ||
785 | ||
786 | AliMedium(5,"ALUMINUM2$",5, 1, iSXFLD, sXMGMX, | |
787 | tmaxfd, fMaxStepAlu, fMaxDestepAlu, epsil, stmin, 0, 0); | |
788 | ||
789 | AliMedium(6,"SCINTILLATOR$",6, 1, iSXFLD, sXMGMX, 10.0, 0.1, 0.1, 0.003, 0.003, 0, 0); | |
790 | ||
791 | gMC->Gstpar(idtmed[3000], "LOSS", 1.); // [3000] = air ACTIF [3010] = air INACTIF | |
792 | gMC->Gstpar(idtmed[3000], "HADR", 1.); | |
793 | gMC->Gstpar(idtmed[3000], "DCAY", 1.); | |
794 | gMC->Gstpar(idtmed[3000], "DRAY", 1.); | |
795 | ||
796 | gMC->Gstpar(idtmed[3001], "LOSS", 1.); // [3001] = carbon | |
797 | gMC->Gstpar(idtmed[3001], "HADR", 1.); | |
798 | gMC->Gstpar(idtmed[3001], "DCAY", 1.); | |
799 | gMC->Gstpar(idtmed[3001], "DRAY", 1.); | |
800 | ||
801 | gMC->Gstpar(idtmed[3002], "LOSS", 1.); // [3002] = quartz | |
802 | gMC->Gstpar(idtmed[3002], "HADR", 1.); | |
803 | gMC->Gstpar(idtmed[3002], "DCAY", 1.); | |
804 | gMC->Gstpar(idtmed[3002], "DRAY", 1.); | |
805 | gMC->Gstpar(idtmed[3002], "CUTGAM",0.5E-4) ; | |
806 | gMC->Gstpar(idtmed[3002], "CUTELE",1.0E-4) ; | |
807 | ||
808 | gMC->Gstpar(idtmed[3003], "LOSS", 1.); // [3003] = normal aluminum | |
809 | gMC->Gstpar(idtmed[3003], "HADR", 1.); | |
810 | gMC->Gstpar(idtmed[3003], "DCAY", 1.); | |
811 | gMC->Gstpar(idtmed[3003], "DRAY", 1.); | |
812 | ||
813 | gMC->Gstpar(idtmed[3004], "LOSS", 1.); // [3004] = reflecting aluminum | |
814 | gMC->Gstpar(idtmed[3004], "HADR", 1.); | |
815 | gMC->Gstpar(idtmed[3004], "DCAY", 1.); | |
816 | gMC->Gstpar(idtmed[3004], "DRAY", 1.); | |
817 | gMC->Gstpar(idtmed[3004], "CUTGAM",0.5E-4) ; | |
818 | gMC->Gstpar(idtmed[3004], "CUTELE",1.0E-4) ; | |
819 | ||
820 | gMC->Gstpar(idtmed[3005], "LOSS", 1.); // [3005] = scintillator | |
821 | gMC->Gstpar(idtmed[3005], "HADR", 1.); | |
822 | gMC->Gstpar(idtmed[3005], "DCAY", 1.); | |
823 | gMC->Gstpar(idtmed[3005], "DRAY", 1.); | |
824 | gMC->Gstpar(idtmed[3005], "CUTGAM",0.5E-4) ; | |
825 | gMC->Gstpar(idtmed[3005], "CUTELE",1.0E-4) ; | |
826 | ||
827 | ||
828 | // geant3->Gsckov(idtmed[3002], 14, ppckov, absco_quarz, effic_all,rindex_quarz); | |
829 | // geant3->Gsckov(idtmed[3004], 14, ppckov_alu, absco_alu, effic_alu, rindex_alu); | |
830 | ||
831 | // gMC->SetCerenkov(idtmed[3002], 14, ppckov, absco_quarz, effic_all,rindex_quarz); | |
832 | // gMC->SetCerenkov(idtmed[3004], 14, ppckov_alu, absco_alu, effic_alu, rindex_alu); | |
833 | ||
834 | } | |
835 | ||
836 | //_____________________________________________________________________________ | |
ba380e33 | 837 | void AliVZEROv4::DrawModule() const |
79b41939 | 838 | { |
839 | ||
840 | // Drawing is done in DrawVZERO.C | |
841 | ||
842 | Int_t i; | |
843 | ||
844 | printf("\n"); | |
845 | for(i=0;i<30;i++) printf("*"); | |
846 | printf(" VZERO DrawModule "); | |
847 | for(i=0;i<30;i++) printf("*"); | |
848 | printf("\n"); | |
849 | } | |
850 | ||
851 | //_____________________________________________________________________________ | |
852 | void AliVZEROv4::Init() | |
853 | { | |
854 | // Initialises version 2 of the VZERO Detector | |
855 | // Just prints an information message | |
856 | ||
857 | printf(" VZERO version %d initialized \n",IsVersion()); | |
858 | ||
859 | // gMC->SetMaxStep(fMaxStepAlu); | |
860 | // gMC->SetMaxStep(fMaxStepQua); | |
861 | ||
862 | AliVZERO::Init(); | |
863 | } | |
864 | ||
865 | //_____________________________________________________________________________ | |
866 | void AliVZEROv4::StepManager() | |
867 | { | |
868 | ||
869 | // Step Manager, called at each step | |
870 | ||
871 | Int_t copy; | |
872 | static Int_t vol[4]; | |
873 | static Float_t hits[21]; | |
874 | static Float_t eloss, tlength; | |
875 | static Int_t nPhotonsInStep; | |
876 | static Int_t nPhotons; | |
877 | static Int_t numStep; | |
878 | Float_t ringNumber; | |
879 | Float_t destep, step; | |
880 | ||
881 | numStep += 1; | |
882 | ||
883 | // We keep only charged tracks : | |
884 | ||
885 | if ( !gMC->TrackCharge() || !gMC->IsTrackAlive() ) return; | |
886 | ||
887 | vol[0] = gMC->CurrentVolOffID(1, vol[1]); | |
888 | vol[2] = gMC->CurrentVolID(copy); | |
889 | vol[3] = copy; | |
890 | ||
d6fb41ac | 891 | static Int_t idV0R1 = gMC->VolId("V0R1"); |
892 | static Int_t idV0L1 = gMC->VolId("V0L1"); | |
893 | static Int_t idV0R2 = gMC->VolId("V0R2"); | |
894 | static Int_t idV0L2 = gMC->VolId("V0L2"); | |
895 | static Int_t idV0R3 = gMC->VolId("V0R3"); | |
896 | static Int_t idV0L3 = gMC->VolId("V0L3"); | |
897 | static Int_t idV0R4 = gMC->VolId("V0R4"); | |
898 | static Int_t idV0L4 = gMC->VolId("V0L4"); | |
899 | ||
900 | if ( gMC->CurrentVolID(copy) == idV0R1 || | |
901 | gMC->CurrentVolID(copy) == idV0L1 ) | |
79b41939 | 902 | ringNumber = 1.0; |
d6fb41ac | 903 | else if ( gMC->CurrentVolID(copy) == idV0R2 || |
904 | gMC->CurrentVolID(copy) == idV0L2 ) | |
79b41939 | 905 | ringNumber = 2.0; |
d6fb41ac | 906 | else if ( gMC->CurrentVolID(copy) == idV0R3 || |
907 | gMC->CurrentVolID(copy) == idV0L3 ) | |
79b41939 | 908 | ringNumber = 3.0; |
d6fb41ac | 909 | else if ( gMC->CurrentVolID(copy) == idV0R4 || |
910 | gMC->CurrentVolID(copy) == idV0L4 ) | |
79b41939 | 911 | ringNumber = 4.0; |
912 | else | |
913 | ringNumber = 0.0; | |
914 | ||
915 | if ( ringNumber > 0.5 ) { | |
916 | ||
917 | destep = gMC->Edep(); | |
918 | step = gMC->TrackStep(); | |
919 | ||
920 | nPhotonsInStep = Int_t(destep / (fLightYield *1e-9) ); | |
921 | nPhotonsInStep = gRandom->Poisson(nPhotonsInStep); | |
922 | ||
923 | eloss += destep; | |
924 | tlength += step; | |
925 | ||
926 | if ( gMC->IsTrackEntering() ) { | |
927 | ||
928 | nPhotons = nPhotonsInStep; | |
929 | gMC->TrackPosition(fTrackPosition); | |
930 | gMC->TrackMomentum(fTrackMomentum); | |
931 | ||
932 | Float_t pt = TMath::Sqrt( fTrackMomentum.Px() * fTrackMomentum.Px() + | |
933 | fTrackMomentum.Py() * fTrackMomentum.Py() ); | |
934 | ||
935 | hits[0] = fTrackPosition.X(); | |
936 | hits[1] = fTrackPosition.Y(); | |
937 | hits[2] = fTrackPosition.Z(); | |
938 | hits[3] = Float_t (gMC->TrackPid()); | |
939 | ||
940 | hits[4] = gMC->TrackTime(); | |
941 | hits[5] = gMC->TrackCharge(); | |
942 | hits[6] = fTrackMomentum.Theta()*TMath::RadToDeg(); | |
943 | hits[7] = fTrackMomentum.Phi()*TMath::RadToDeg(); | |
944 | hits[8] = ringNumber; | |
945 | ||
946 | hits[9] = pt; | |
947 | hits[10] = fTrackMomentum.P(); | |
948 | hits[11] = fTrackMomentum.Px(); | |
949 | hits[12] = fTrackMomentum.Py(); | |
950 | hits[13] = fTrackMomentum.Pz(); | |
951 | ||
952 | TParticle *par = gAlice->GetMCApp()->Particle(gAlice->GetMCApp()->GetCurrentTrackNumber()); | |
953 | hits[14] = par->Vx(); | |
954 | hits[15] = par->Vy(); | |
955 | hits[16] = par->Vz(); | |
956 | ||
957 | tlength = 0.0; | |
958 | eloss = 0.0; | |
959 | } | |
960 | ||
961 | nPhotons = nPhotons + nPhotonsInStep; | |
962 | ||
963 | if( gMC->IsTrackExiting() || gMC->IsTrackStop() || gMC->IsTrackDisappeared()){ | |
964 | ||
965 | nPhotons = nPhotons - Int_t((Float_t(nPhotons) * fLightAttenuation * fnMeters)); | |
966 | nPhotons = nPhotons - Int_t( Float_t(nPhotons) * fFibToPhot); | |
967 | ||
968 | hits[17] = eloss; | |
969 | hits[18] = tlength; | |
970 | hits[19] = nPhotons; | |
971 | hits[20] = GetCellId (vol, hits); | |
972 | ||
973 | AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits); | |
974 | ||
975 | tlength = 0.0; | |
976 | eloss = 0.0; | |
977 | nPhotons = 0; | |
978 | nPhotonsInStep = 0; | |
979 | ||
980 | numStep = 0; | |
981 | } | |
982 | } | |
983 | ||
984 | } | |
985 | ||
986 | //_____________________________________________________________________________ | |
987 | void AliVZEROv4::AddHit(Int_t track, Int_t *vol, Float_t *hits) | |
988 | { | |
989 | ||
990 | // Adds a VZERO hit | |
991 | ||
992 | TClonesArray &lhits = *fHits; | |
993 | new(lhits[fNhits++]) AliVZEROhit(fIshunt,track,vol,hits); | |
994 | } | |
995 | ||
996 | //_____________________________________________________________________________ | |
997 | void AliVZEROv4::AddDigits(Int_t *tracks, Int_t* digits) | |
998 | { | |
999 | ||
1000 | // Adds a VZERO digit | |
1001 | ||
1002 | TClonesArray &ldigits = *fDigits; | |
1003 | new(ldigits[fNdigits++]) AliVZEROdigit(tracks, digits); | |
1004 | } | |
1005 | ||
1006 | //_____________________________________________________________________________ | |
1007 | void AliVZEROv4::MakeBranch(Option_t *option) | |
1008 | { | |
1009 | ||
1010 | // Creates new branches in the current Root Tree | |
1011 | ||
1012 | char branchname[10]; | |
1013 | sprintf(branchname,"%s",GetName()); | |
1014 | printf(" fBufferSize = %d \n",fBufferSize); | |
1015 | ||
1016 | const char *cH = strstr(option,"H"); | |
1017 | ||
1018 | if (fHits && TreeH() && cH) { | |
1019 | TreeH()->Branch(branchname,&fHits, fBufferSize); | |
1020 | printf("* AliDetector::MakeBranch * Making Branch %s for hits\n",branchname); | |
1021 | } | |
1022 | ||
1023 | const char *cD = strstr(option,"D"); | |
1024 | ||
1025 | if (fDigits && fLoader->TreeD() && cD) { | |
1026 | fLoader->TreeD()->Branch(branchname,&fDigits, fBufferSize); | |
1027 | printf("* AliDetector::MakeBranch * Making Branch %s for digits\n",branchname); | |
1028 | } | |
1029 | ||
1030 | } | |
1031 | ||
1032 | //_____________________________________________________________________________ | |
1033 | Int_t AliVZEROv4::GetCellId(Int_t *vol, Float_t *hits) | |
1034 | { | |
1035 | ||
1036 | // Returns Id of scintillator cell | |
1037 | // Right side from 0 to 47 | |
1038 | // Left side from 48 to 95 | |
1039 | ||
1040 | Int_t index = vol[1]; | |
1041 | fCellId = 0; | |
1042 | ||
1043 | if (index < 10) index = index + 12; | |
1044 | ||
1045 | if (hits[2] < 0.0) { | |
1046 | index = (index - 10) + ( ( Int_t(hits[8]) - 1 ) * 12); | |
1047 | fCellId = index; | |
1048 | } | |
1049 | else if (hits[2] > 0.0) | |
1050 | { | |
1051 | index = (index + 38) + ( ( Int_t(hits[8]) - 1 ) * 12); | |
1052 | fCellId = index;} | |
1053 | ||
1054 | return fCellId; | |
1055 | } |