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c28632f0 | 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 | /* | |
17 | $Log$ | |
18 | Revision 1.9 2000/05/31 08:19:38 jbarbosa | |
19 | Fixed bug in StepManager | |
20 | ||
21 | Revision 1.8 2000/05/26 17:30:08 jbarbosa | |
22 | Cerenkov angle now stored within cerenkov data structure. | |
23 | ||
24 | Revision 1.7 2000/05/18 10:31:36 jbarbosa | |
25 | Fixed positioning of spacers inside freon. | |
26 | Fixed positioning of proximity gap | |
27 | inside methane. | |
28 | Fixed cut on neutral particles in the StepManager. | |
29 | ||
30 | Revision 1.6 2000/04/28 11:51:58 morsch | |
31 | Dimensions of arrays hits and Ckov_data corrected. | |
32 | ||
33 | Revision 1.5 2000/04/19 13:28:46 morsch | |
34 | Major changes in geometry (parametrised), materials (updated) and | |
35 | step manager (diagnostics) (JB, AM) | |
36 | ||
37 | */ | |
38 | ||
39 | ||
40 | ||
41 | ////////////////////////////////////////////////////////// | |
42 | // Manager and hits classes for set: RICH full version // | |
43 | ////////////////////////////////////////////////////////// | |
44 | ||
45 | #include <TTUBE.h> | |
46 | #include <TNode.h> | |
47 | #include <TRandom.h> | |
48 | ||
49 | #include "AliRICHv1.h" | |
50 | #include "AliRun.h" | |
51 | #include "AliMC.h" | |
52 | #include "iostream.h" | |
53 | #include "AliCallf77.h" | |
54 | #include "AliConst.h" | |
55 | #include "AliPDG.h" | |
56 | #include "TGeant3.h" | |
57 | ||
58 | ClassImp(AliRICHv1) | |
59 | ||
60 | //___________________________________________ | |
61 | AliRICHv1::AliRICHv1() : AliRICHv0() | |
62 | { | |
63 | //fChambers = 0; | |
64 | } | |
65 | ||
66 | //___________________________________________ | |
67 | AliRICHv1::AliRICHv1(const char *name, const char *title) | |
68 | : AliRICHv0(name,title) | |
69 | { | |
70 | fCkov_number=0; | |
71 | fFreon_prod=0; | |
72 | ||
73 | fChambers = new TObjArray(7); | |
74 | for (Int_t i=0; i<7; i++) { | |
75 | ||
76 | (*fChambers)[i] = new AliRICHChamber(); | |
77 | ||
78 | } | |
79 | } | |
80 | ||
81 | ||
82 | //___________________________________________ | |
83 | void AliRICHv1::StepManager() | |
84 | { | |
85 | Int_t copy, id; | |
86 | static Int_t idvol; | |
87 | static Int_t vol[2]; | |
88 | Int_t ipart; | |
89 | static Float_t hits[18]; | |
90 | static Float_t Ckov_data[19]; | |
91 | TLorentzVector Position; | |
92 | TLorentzVector Momentum; | |
93 | Float_t pos[3]; | |
94 | Float_t mom[4]; | |
95 | Float_t Localpos[3]; | |
96 | Float_t Localmom[4]; | |
97 | Float_t Localtheta,Localphi; | |
98 | Float_t theta,phi; | |
99 | Float_t destep, step; | |
100 | Float_t ranf[2]; | |
101 | Int_t NPads; | |
102 | Float_t coscerenkov; | |
103 | static Float_t eloss, xhit, yhit, tlength; | |
104 | const Float_t big=1.e10; | |
105 | ||
106 | TClonesArray &lhits = *fHits; | |
107 | TGeant3 *geant3 = (TGeant3*) gMC; | |
108 | TParticle *current = (TParticle*)(*gAlice->Particles())[gAlice->CurrentTrack()]; | |
109 | ||
110 | //if (current->Energy()>1) | |
111 | //{ | |
112 | ||
113 | // Only gas gap inside chamber | |
114 | // Tag chambers and record hits when track enters | |
115 | ||
116 | idvol=-1; | |
117 | id=gMC->CurrentVolID(copy); | |
118 | Float_t cherenkov_loss=0; | |
119 | //gAlice->KeepTrack(gAlice->CurrentTrack()); | |
120 | ||
121 | gMC->TrackPosition(Position); | |
122 | pos[0]=Position(0); | |
123 | pos[1]=Position(1); | |
124 | pos[2]=Position(2); | |
125 | Ckov_data[1] = pos[0]; // X-position for hit | |
126 | Ckov_data[2] = pos[1]; // Y-position for hit | |
127 | Ckov_data[3] = pos[2]; // Z-position for hit | |
128 | //Ckov_data[11] = gAlice->CurrentTrack(); | |
129 | ||
130 | //AliRICH *RICH = (AliRICH *) gAlice->GetDetector("RICH"); | |
131 | ||
132 | /********************Store production parameters for Cerenkov photons************************/ | |
133 | //is it a Cerenkov photon? | |
134 | if (gMC->TrackPid() == 50000050) { | |
135 | ||
136 | //if (gMC->VolId("GAP ")==gMC->CurrentVolID(copy)) | |
137 | //{ | |
138 | Float_t Ckov_energy = current->Energy(); | |
139 | //energy interval for tracking | |
140 | if (Ckov_energy > 5.6e-09 && Ckov_energy < 7.8e-09 ) | |
141 | //if (Ckov_energy > 0) | |
142 | { | |
143 | if (gMC->IsTrackEntering()){ //is track entering? | |
144 | if (gMC->VolId("FRE1")==gMC->CurrentVolID(copy) || gMC->VolId("FRE2")==gMC->CurrentVolID(copy)) | |
145 | { //is it in freo? | |
146 | if (geant3->Gctrak()->nstep<1){ //is it the first step? | |
147 | Int_t mother = current->GetFirstMother(); | |
148 | ||
149 | //printf("Second Mother:%d\n",current->GetSecondMother()); | |
150 | ||
151 | Ckov_data[10] = mother; | |
152 | Ckov_data[11] = gAlice->CurrentTrack(); | |
153 | Ckov_data[12] = 1; //Media where photon was produced 1->Freon, 2->Quarz | |
154 | fCkov_number++; | |
155 | fFreon_prod=1; | |
156 | //printf("Index: %d\n",fCkov_number); | |
157 | } //first step question | |
158 | } //freo question | |
159 | ||
160 | if (geant3->Gctrak()->nstep<1){ //is it first step? | |
161 | if (gMC->VolId("QUAR")==gMC->CurrentVolID(copy)) //is it in quarz? | |
162 | { | |
163 | Ckov_data[12] = 2; | |
164 | } //quarz question | |
165 | } //first step question | |
166 | ||
167 | //printf("Before %d\n",fFreon_prod); | |
168 | } //track entering question | |
169 | ||
170 | if (Ckov_data[12] == 1) //was it produced in Freon? | |
171 | //if (fFreon_prod == 1) | |
172 | { | |
173 | if (gMC->IsTrackEntering()){ //is track entering? | |
174 | //printf("Got in"); | |
175 | if (gMC->VolId("META")==gMC->CurrentVolID(copy)) //is it in gap? | |
176 | { | |
177 | //printf("Got in\n"); | |
178 | gMC->TrackMomentum(Momentum); | |
179 | mom[0]=Momentum(0); | |
180 | mom[1]=Momentum(1); | |
181 | mom[2]=Momentum(2); | |
182 | mom[3]=Momentum(3); | |
183 | // Z-position for hit | |
184 | ||
185 | ||
186 | /**************** Photons lost in second grid have to be calculated by hand************/ | |
187 | ||
188 | Float_t cophi = TMath::Cos(TMath::ATan2(mom[0], mom[1])); | |
189 | Float_t t = (1. - .025 / cophi) * (1. - .05 / cophi); | |
190 | gMC->Rndm(ranf, 1); | |
191 | //printf("grid calculation:%f\n",t); | |
192 | if (ranf[0] > t) { | |
193 | //geant3->StopTrack(); | |
194 | Ckov_data[13] = 5; | |
195 | AddCerenkov(gAlice->CurrentTrack(),vol,Ckov_data); | |
196 | //printf("Lost one in grid\n"); | |
197 | } | |
198 | /**********************************************************************************/ | |
199 | } //gap | |
200 | ||
201 | if (gMC->VolId("CSI ")==gMC->CurrentVolID(copy)) //is it in csi? | |
202 | { | |
203 | gMC->TrackMomentum(Momentum); | |
204 | mom[0]=Momentum(0); | |
205 | mom[1]=Momentum(1); | |
206 | mom[2]=Momentum(2); | |
207 | mom[3]=Momentum(3); | |
208 | ||
209 | /********* Photons lost by Fresnel reflection have to be calculated by hand********/ | |
210 | /***********************Cerenkov phtons (always polarised)*************************/ | |
211 | ||
212 | Float_t cophi = TMath::Cos(TMath::ATan2(mom[0], mom[1])); | |
213 | Float_t t = Fresnel(Ckov_energy*1e9,cophi,1); | |
214 | gMC->Rndm(ranf, 1); | |
215 | if (ranf[0] < t) { | |
216 | //geant3->StopTrack(); | |
217 | Ckov_data[13] = 6; | |
218 | AddCerenkov(gAlice->CurrentTrack(),vol,Ckov_data); | |
219 | //printf("Lost by Fresnel\n"); | |
220 | } | |
221 | /**********************************************************************************/ | |
222 | } | |
223 | } //track entering? | |
224 | ||
225 | ||
226 | /********************Evaluation of losses************************/ | |
227 | /******************still in the old fashion**********************/ | |
228 | ||
229 | Int_t i1 = geant3->Gctrak()->nmec; //number of physics mechanisms acting on the particle | |
230 | for (Int_t i = 0; i < i1; ++i) { | |
231 | // Reflection loss | |
232 | if (geant3->Gctrak()->lmec[i] == 106) { //was it reflected | |
233 | Ckov_data[13]=10; | |
234 | if (gMC->VolId("FRE1")==gMC->CurrentVolID(copy) || gMC->VolId("FRE2")==gMC->CurrentVolID(copy)) | |
235 | Ckov_data[13]=1; | |
236 | if (gMC->CurrentVolID(copy) == gMC->VolId("QUAR")) | |
237 | Ckov_data[13]=2; | |
238 | //geant3->StopTrack(); | |
239 | AddCerenkov(gAlice->CurrentTrack(),vol,Ckov_data); | |
240 | } //reflection question | |
241 | ||
242 | ||
243 | // Absorption loss | |
244 | else if (geant3->Gctrak()->lmec[i] == 101) { //was it absorbed? | |
245 | Ckov_data[13]=20; | |
246 | if (gMC->VolId("FRE1")==gMC->CurrentVolID(copy) || gMC->VolId("FRE2")==gMC->CurrentVolID(copy)) | |
247 | Ckov_data[13]=11; | |
248 | if (gMC->CurrentVolID(copy) == gMC->VolId("QUAR")) | |
249 | Ckov_data[13]=12; | |
250 | if (gMC->CurrentVolID(copy) == gMC->VolId("META")) | |
251 | Ckov_data[13]=13; | |
252 | if (gMC->CurrentVolID(copy) == gMC->VolId("GAP ")) | |
253 | Ckov_data[13]=13; | |
254 | ||
255 | if (gMC->CurrentVolID(copy) == gMC->VolId("SRIC")) | |
256 | Ckov_data[13]=15; | |
257 | ||
258 | // CsI inefficiency | |
259 | if (gMC->CurrentVolID(copy) == gMC->VolId("CSI ")) { | |
260 | Ckov_data[13]=16; | |
261 | } | |
262 | //geant3->StopTrack(); | |
263 | AddCerenkov(gAlice->CurrentTrack(),vol,Ckov_data); | |
264 | //printf("Added cerenkov %d\n",fCkov_number); | |
265 | } //absorption question | |
266 | ||
267 | ||
268 | // Photon goes out of tracking scope | |
269 | else if (geant3->Gctrak()->lmec[i] == 30) { //is it below energy treshold? | |
270 | Ckov_data[13]=21; | |
271 | //geant3->StopTrack(); | |
272 | AddCerenkov(gAlice->CurrentTrack(),vol,Ckov_data); | |
273 | } // energy treshold question | |
274 | } //number of mechanisms cycle | |
275 | /**********************End of evaluation************************/ | |
276 | } //freon production question | |
277 | } //energy interval question | |
278 | //}//inside the proximity gap question | |
279 | } //cerenkov photon question | |
280 | ||
281 | /**************************************End of Production Parameters Storing*********************/ | |
282 | ||
283 | ||
284 | /*******************************Treat photons that hit the CsI (Ckovs and Feedbacks)************/ | |
285 | ||
286 | if (gMC->TrackPid() == 50000050 || gMC->TrackPid() == 50000051) { | |
287 | //printf("Cerenkov\n"); | |
288 | if (gMC->VolId("CSI ")==gMC->CurrentVolID(copy)) | |
289 | { | |
290 | ||
291 | if (gMC->Edep() > 0.){ | |
292 | gMC->TrackPosition(Position); | |
293 | gMC->TrackMomentum(Momentum); | |
294 | pos[0]=Position(0); | |
295 | pos[1]=Position(1); | |
296 | pos[2]=Position(2); | |
297 | mom[0]=Momentum(0); | |
298 | mom[1]=Momentum(1); | |
299 | mom[2]=Momentum(2); | |
300 | mom[3]=Momentum(3); | |
301 | Double_t tc = mom[0]*mom[0]+mom[1]*mom[1]; | |
302 | Double_t rt = TMath::Sqrt(tc); | |
303 | theta = Float_t(TMath::ATan2(rt,Double_t(mom[2])))*kRaddeg; | |
304 | phi = Float_t(TMath::ATan2(Double_t(mom[1]),Double_t(mom[0])))*kRaddeg; | |
305 | gMC->Gmtod(pos,Localpos,1); | |
306 | gMC->Gmtod(mom,Localmom,2); | |
307 | ||
308 | gMC->CurrentVolOffID(2,copy); | |
309 | vol[0]=copy; | |
310 | idvol=vol[0]-1; | |
311 | ||
312 | //Int_t sector=((AliRICHChamber*) (*fChambers)[idvol]) | |
313 | //->Sector(Localpos[0], Localpos[2]); | |
314 | //printf("Sector:%d\n",sector); | |
315 | ||
316 | /*if (gMC->TrackPid() == 50000051){ | |
317 | fFeedbacks++; | |
318 | printf("Feedbacks:%d\n",fFeedbacks); | |
319 | }*/ | |
320 | ||
321 | ((AliRICHChamber*) (*fChambers)[idvol]) | |
322 | ->SigGenInit(Localpos[0], Localpos[2], Localpos[1]); | |
323 | if(idvol<7) { | |
324 | Ckov_data[0] = gMC->TrackPid(); // particle type | |
325 | Ckov_data[1] = pos[0]; // X-position for hit | |
326 | Ckov_data[2] = pos[1]; // Y-position for hit | |
327 | Ckov_data[3] = pos[2]; // Z-position for hit | |
328 | Ckov_data[4] = theta; // theta angle of incidence | |
329 | Ckov_data[5] = phi; // phi angle of incidence | |
330 | Ckov_data[8] = (Float_t) fNPadHits; // first padhit | |
331 | Ckov_data[9] = -1; // last pad hit | |
332 | Ckov_data[13] = 4; // photon was detected | |
333 | Ckov_data[14] = mom[0]; | |
334 | Ckov_data[15] = mom[1]; | |
335 | Ckov_data[16] = mom[2]; | |
336 | ||
337 | destep = gMC->Edep(); | |
338 | gMC->SetMaxStep(big); | |
339 | cherenkov_loss += destep; | |
340 | Ckov_data[7]=cherenkov_loss; | |
341 | ||
342 | NPads = MakePadHits(Localpos[0],Localpos[2],cherenkov_loss,idvol,cerenkov); | |
343 | if (fNPadHits > (Int_t)Ckov_data[8]) { | |
344 | Ckov_data[8]= Ckov_data[8]+1; | |
345 | Ckov_data[9]= (Float_t) fNPadHits; | |
346 | } | |
347 | ||
348 | Ckov_data[17] = NPads; | |
349 | //printf("Npads:%d",NPads); | |
350 | ||
351 | //TClonesArray *Hits = RICH->Hits(); | |
352 | AliRICHHit *mipHit = (AliRICHHit*) (fHits->UncheckedAt(0)); | |
353 | if (mipHit) | |
354 | { | |
355 | mom[0] = current->Px(); | |
356 | mom[1] = current->Py(); | |
357 | mom[2] = current->Pz(); | |
358 | Float_t Mip_px = mipHit->fMomX; | |
359 | Float_t Mip_py = mipHit->fMomY; | |
360 | Float_t Mip_pz = mipHit->fMomZ; | |
361 | ||
362 | Float_t r = mom[0]*mom[0] + mom[1]*mom[1] + mom[2]*mom[2]; | |
363 | Float_t rt = TMath::Sqrt(r); | |
364 | Float_t Mip_r = Mip_px*Mip_px + Mip_py*Mip_py + Mip_pz*Mip_pz; | |
365 | Float_t Mip_rt = TMath::Sqrt(Mip_r); | |
366 | if ((rt*Mip_rt) > 0) | |
367 | { | |
368 | coscerenkov = (mom[0]*Mip_px + mom[1]*Mip_py + mom[2]*Mip_pz)/(rt*Mip_rt); | |
369 | } | |
370 | else | |
371 | { | |
372 | coscerenkov = 0; | |
373 | } | |
374 | Float_t cherenkov = TMath::ACos(coscerenkov); | |
375 | Ckov_data[18]=cherenkov; | |
376 | } | |
377 | //if (sector != -1) | |
378 | //{ | |
379 | AddHit(gAlice->CurrentTrack(),vol,Ckov_data); | |
380 | AddCerenkov(gAlice->CurrentTrack(),vol,Ckov_data); | |
381 | //} | |
382 | } | |
383 | } | |
384 | } | |
385 | } | |
386 | ||
387 | /***********************************************End of photon hits*********************************************/ | |
388 | ||
389 | ||
390 | /**********************************************Charged particles treatment*************************************/ | |
391 | ||
392 | else if (gMC->TrackCharge()) | |
393 | //else if (1 == 1) | |
394 | { | |
395 | //If MIP | |
396 | /*if (gMC->IsTrackEntering()) | |
397 | { | |
398 | hits[13]=20;//is track entering? | |
399 | }*/ | |
400 | if (gMC->VolId("FRE1")==gMC->CurrentVolID(copy) || gMC->VolId("FRE2")==gMC->CurrentVolID(copy)) | |
401 | { | |
402 | fFreon_prod=1; | |
403 | } | |
404 | ||
405 | if (gMC->VolId("GAP ")== gMC->CurrentVolID(copy)) { | |
406 | // Get current particle id (ipart), track position (pos) and momentum (mom) | |
407 | ||
408 | gMC->CurrentVolOffID(3,copy); | |
409 | vol[0]=copy; | |
410 | idvol=vol[0]-1; | |
411 | ||
412 | //Int_t sector=((AliRICHChamber*) (*fChambers)[idvol]) | |
413 | //->Sector(Localpos[0], Localpos[2]); | |
414 | //printf("Sector:%d\n",sector); | |
415 | ||
416 | gMC->TrackPosition(Position); | |
417 | gMC->TrackMomentum(Momentum); | |
418 | pos[0]=Position(0); | |
419 | pos[1]=Position(1); | |
420 | pos[2]=Position(2); | |
421 | mom[0]=Momentum(0); | |
422 | mom[1]=Momentum(1); | |
423 | mom[2]=Momentum(2); | |
424 | mom[3]=Momentum(3); | |
425 | gMC->Gmtod(pos,Localpos,1); | |
426 | gMC->Gmtod(mom,Localmom,2); | |
427 | ||
428 | ipart = gMC->TrackPid(); | |
429 | // | |
430 | // momentum loss and steplength in last step | |
431 | destep = gMC->Edep(); | |
432 | step = gMC->TrackStep(); | |
433 | ||
434 | // | |
435 | // record hits when track enters ... | |
436 | if( gMC->IsTrackEntering()) { | |
437 | // gMC->SetMaxStep(fMaxStepGas); | |
438 | Double_t tc = mom[0]*mom[0]+mom[1]*mom[1]; | |
439 | Double_t rt = TMath::Sqrt(tc); | |
440 | theta = Float_t(TMath::ATan2(rt,Double_t(mom[2])))*kRaddeg; | |
441 | phi = Float_t(TMath::ATan2(Double_t(mom[1]),Double_t(mom[0])))*kRaddeg; | |
442 | ||
443 | ||
444 | Double_t Localtc = Localmom[0]*Localmom[0]+Localmom[2]*Localmom[2]; | |
445 | Double_t Localrt = TMath::Sqrt(Localtc); | |
446 | Localtheta = Float_t(TMath::ATan2(Localrt,Double_t(Localmom[1])))*kRaddeg; | |
447 | Localphi = Float_t(TMath::ATan2(Double_t(Localmom[2]),Double_t(Localmom[0])))*kRaddeg; | |
448 | ||
449 | hits[0] = Float_t(ipart); // particle type | |
450 | hits[1] = Localpos[0]; // X-position for hit | |
451 | hits[2] = Localpos[1]; // Y-position for hit | |
452 | hits[3] = Localpos[2]; // Z-position for hit | |
453 | hits[4] = Localtheta; // theta angle of incidence | |
454 | hits[5] = Localphi; // phi angle of incidence | |
455 | hits[8] = (Float_t) fNPadHits; // first padhit | |
456 | hits[9] = -1; // last pad hit | |
457 | hits[13] = fFreon_prod; // did id hit the freon? | |
458 | hits[14] = mom[0]; | |
459 | hits[15] = mom[1]; | |
460 | hits[16] = mom[2]; | |
461 | ||
462 | tlength = 0; | |
463 | eloss = 0; | |
464 | fFreon_prod = 0; | |
465 | ||
466 | Chamber(idvol).LocaltoGlobal(Localpos,hits+1); | |
467 | ||
468 | ||
469 | //To make chamber coordinates x-y had to pass LocalPos[0], LocalPos[2] | |
470 | xhit = Localpos[0]; | |
471 | yhit = Localpos[2]; | |
472 | // Only if not trigger chamber | |
473 | if(idvol<7) { | |
474 | // | |
475 | // Initialize hit position (cursor) in the segmentation model | |
476 | ((AliRICHChamber*) (*fChambers)[idvol]) | |
477 | ->SigGenInit(Localpos[0], Localpos[2], Localpos[1]); | |
478 | } | |
479 | } | |
480 | ||
481 | // | |
482 | // Calculate the charge induced on a pad (disintegration) in case | |
483 | // | |
484 | // Mip left chamber ... | |
485 | if( gMC->IsTrackExiting() || gMC->IsTrackStop() || gMC->IsTrackDisappeared()){ | |
486 | gMC->SetMaxStep(big); | |
487 | eloss += destep; | |
488 | tlength += step; | |
489 | ||
490 | ||
491 | // Only if not trigger chamber | |
492 | if(idvol<7) { | |
493 | if (eloss > 0) | |
494 | { | |
495 | if(gMC->TrackPid() == kNeutron) | |
496 | printf("\n\n\n\n\n Neutron Making Pad Hit!!! \n\n\n\n"); | |
497 | NPads = MakePadHits(xhit,yhit,eloss,idvol,mip); | |
498 | hits[17] = NPads; | |
499 | //printf("Npads:%d",NPads); | |
500 | } | |
501 | } | |
502 | ||
503 | hits[6]=tlength; | |
504 | hits[7]=eloss; | |
505 | if (fNPadHits > (Int_t)hits[8]) { | |
506 | hits[8]= hits[8]+1; | |
507 | hits[9]= (Float_t) fNPadHits; | |
508 | } | |
509 | ||
510 | //if(sector !=-1) | |
511 | new(lhits[fNhits++]) AliRICHHit(fIshunt,gAlice->CurrentTrack(),vol,hits); | |
512 | eloss = 0; | |
513 | // | |
514 | // Check additional signal generation conditions | |
515 | // defined by the segmentation | |
516 | // model (boundary crossing conditions) | |
517 | } else if | |
518 | (((AliRICHChamber*) (*fChambers)[idvol]) | |
519 | ->SigGenCond(Localpos[0], Localpos[2], Localpos[1])) | |
520 | { | |
521 | ((AliRICHChamber*) (*fChambers)[idvol]) | |
522 | ->SigGenInit(Localpos[0], Localpos[2], Localpos[1]); | |
523 | if (eloss > 0) | |
524 | { | |
525 | if(gMC->TrackPid() == kNeutron) | |
526 | printf("\n\n\n\n\n Neutron Making Pad Hit!!! \n\n\n\n"); | |
527 | NPads = MakePadHits(xhit,yhit,eloss,idvol,mip); | |
528 | hits[17] = NPads; | |
529 | //printf("Npads:%d",NPads); | |
530 | } | |
531 | xhit = Localpos[0]; | |
532 | yhit = Localpos[2]; | |
533 | eloss = destep; | |
534 | tlength += step ; | |
535 | // | |
536 | // nothing special happened, add up energy loss | |
537 | } else { | |
538 | eloss += destep; | |
539 | tlength += step ; | |
540 | } | |
541 | } | |
542 | } | |
543 | /*************************************************End of MIP treatment**************************************/ | |
544 | //} | |
545 | } |