]>
Commit | Line | Data |
---|---|---|
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 | ||
88cb7938 | 16 | /* $Id$ */ |
c28632f0 | 17 | |
88cb7938 | 18 | #include "Riostream.h" |
19 | ||
c28632f0 | 20 | #include <TNode.h> |
237c933d | 21 | #include <TParticle.h> |
88cb7938 | 22 | #include <TRandom.h> |
23 | #include <TTUBE.h> | |
24 | #include <TVirtualMC.h> | |
d128c9d1 | 25 | #include <TPDGCode.h> |
c28632f0 | 26 | |
88cb7938 | 27 | #include "AliConst.h" |
28 | #include "AliPDG.h" | |
29 | #include "AliRICHGeometry.h" | |
64e9b5aa | 30 | #include "AliRICHResponse.h" |
64e9b5aa | 31 | #include "AliRICHResponseV0.h" |
88cb7938 | 32 | #include "AliRICHSegmentationV1.h" |
33 | #include "AliRICHv1.h" | |
c28632f0 | 34 | #include "AliRun.h" |
c28632f0 | 35 | |
d128c9d1 | 36 | ClassImp(AliRICHv1) |
37 | //______________________________________________________________________________ | |
c28632f0 | 38 | AliRICHv1::AliRICHv1(const char *name, const char *title) |
d128c9d1 | 39 | :AliRICH(name,title) |
3ea9cb08 | 40 | {// Full version of RICH with hits and diagnostics |
41 | if(GetDebug())Info("named ctor","Start."); | |
42 | if(GetDebug())Info("named ctor","Stop."); | |
43 | }//named ctor | |
44 | //______________________________________________________________________________ | |
237c933d | 45 | void AliRICHv1::Init() |
3ea9cb08 | 46 | {//nothing to do here, all the work in ctor or CreateGeometry() |
47 | if(GetDebug())Info("Init","Start."); | |
48 | if(GetDebug())Info("Init","Stop."); | |
49 | }//void AliRICHv1::Init() | |
d128c9d1 | 50 | //______________________________________________________________________________ |
51 | void AliRICHv1::StepManager() | |
52 | {//Full Step Manager | |
53 | ||
54 | Int_t copy, id; | |
55 | static Int_t idvol; | |
56 | static Int_t vol[2]; | |
57 | Int_t ipart; | |
58 | static Float_t hits[22]; | |
59 | static Float_t ckovData[19]; | |
60 | TLorentzVector position; | |
61 | TLorentzVector momentum; | |
62 | Float_t pos[3]; | |
63 | Float_t mom[4]; | |
64 | Float_t localPos[3]; | |
65 | Float_t localMom[4]; | |
66 | Float_t localTheta,localPhi; | |
67 | Float_t theta,phi; | |
68 | Float_t destep, step; | |
69 | Double_t ranf[2]; | |
942194a4 | 70 | Int_t nPads=-1; |
d128c9d1 | 71 | Float_t coscerenkov; |
72 | static Float_t eloss, xhit, yhit, tlength; | |
73 | const Float_t kBig=1.e10; | |
74 | ||
75 | TClonesArray &lhits = *fHits; | |
642f15cf | 76 | TParticle *current = (TParticle*)(*gAlice->Particles())[gAlice->GetCurrentTrackNumber()]; |
d128c9d1 | 77 | |
d128c9d1 | 78 | |
79 | ||
80 | id=gMC->CurrentVolID(copy); | |
81 | idvol = copy-1; | |
82 | Float_t cherenkovLoss=0; | |
d128c9d1 | 83 | |
84 | gMC->TrackPosition(position); | |
85 | pos[0]=position(0); | |
86 | pos[1]=position(1); | |
87 | pos[2]=position(2); | |
d128c9d1 | 88 | ckovData[1] = pos[0]; // X-position for hit |
89 | ckovData[2] = pos[1]; // Y-position for hit | |
90 | ckovData[3] = pos[2]; // Z-position for hit | |
91 | ckovData[6] = 0; // dummy track length | |
d128c9d1 | 92 | |
93 | /********************Store production parameters for Cerenkov photons************************/ | |
853634d3 | 94 | |
95 | if (gMC->TrackPid() == 50000050) { //is it a Cerenkov photon? | |
d128c9d1 | 96 | |
97 | //if (gMC->VolId("GAP ")==gMC->CurrentVolID(copy)) | |
98 | //{ | |
99 | Float_t ckovEnergy = current->Energy(); | |
100 | //energy interval for tracking | |
101 | if (ckovEnergy > 5.6e-09 && ckovEnergy < 7.8e-09 ) | |
102 | //if (ckovEnergy > 0) | |
103 | { | |
104 | if (gMC->IsTrackEntering()){ //is track entering? | |
105 | //printf("Track entered (1)\n"); | |
106 | if (gMC->VolId("FRE1")==gMC->CurrentVolID(copy) || gMC->VolId("FRE2")==gMC->CurrentVolID(copy)) | |
107 | { //is it in freo? | |
108 | if (gMC->IsNewTrack()){ //is it the first step? | |
109 | //printf("I'm in!\n"); | |
110 | Int_t mother = current->GetFirstMother(); | |
111 | ||
d128c9d1 | 112 | |
113 | ckovData[10] = mother; | |
642f15cf | 114 | ckovData[11] = gAlice->GetCurrentTrackNumber(); |
d128c9d1 | 115 | ckovData[12] = 1; //Media where photon was produced 1->Freon, 2->Quarz |
116 | //printf("Produced in FREO\n"); | |
117 | fCkovNumber++; | |
118 | fFreonProd=1; | |
d128c9d1 | 119 | } //first step question |
120 | } //freo question | |
121 | ||
122 | if (gMC->IsNewTrack()){ //is it first step? | |
123 | if (gMC->VolId("QUAR")==gMC->CurrentVolID(copy)) //is it in quarz? | |
124 | { | |
125 | ckovData[12] = 2; | |
d128c9d1 | 126 | } //quarz question |
127 | } //first step question | |
128 | ||
d128c9d1 | 129 | } //track entering question |
130 | ||
131 | if (ckovData[12] == 1) //was it produced in Freon? | |
132 | //if (fFreonProd == 1) | |
133 | { | |
134 | if (gMC->IsTrackEntering()){ //is track entering? | |
d128c9d1 | 135 | if (gMC->VolId("META")==gMC->CurrentVolID(copy)) //is it in gap? |
136 | { | |
137 | //printf("Got in META\n"); | |
138 | gMC->TrackMomentum(momentum); | |
139 | mom[0]=momentum(0); | |
140 | mom[1]=momentum(1); | |
141 | mom[2]=momentum(2); | |
142 | mom[3]=momentum(3); | |
143 | ||
144 | gMC->Gmtod(mom,localMom,2); | |
145 | Float_t cophi = TMath::Cos(TMath::ATan2(localMom[0], localMom[1])); | |
146 | Float_t t = (1. - .025 / cophi) * (1. - .05 / cophi); | |
147 | /**************** Photons lost in second grid have to be calculated by hand************/ | |
148 | gMC->GetRandom()->RndmArray(1,ranf); | |
149 | if (ranf[0] > t) { | |
150 | gMC->StopTrack(); | |
151 | ckovData[13] = 5; | |
642f15cf | 152 | AddCerenkov(gAlice->GetCurrentTrackNumber(),vol,ckovData); |
d128c9d1 | 153 | } |
154 | /**********************************************************************************/ | |
155 | } //gap | |
156 | ||
d128c9d1 | 157 | if (gMC->VolId("CSI ")==gMC->CurrentVolID(copy)) //is it in csi? |
158 | { | |
159 | //printf("Got in CSI\n"); | |
160 | gMC->TrackMomentum(momentum); | |
161 | mom[0]=momentum(0); | |
162 | mom[1]=momentum(1); | |
163 | mom[2]=momentum(2); | |
164 | mom[3]=momentum(3); | |
165 | ||
166 | gMC->Gmtod(mom,localMom,2); | |
167 | /********* Photons lost by Fresnel reflection have to be calculated by hand********/ | |
168 | /***********************Cerenkov phtons (always polarised)*************************/ | |
169 | Double_t localTc = localMom[0]*localMom[0]+localMom[2]*localMom[2]; | |
170 | Double_t localRt = TMath::Sqrt(localTc); | |
171 | localTheta = Float_t(TMath::ATan2(localRt,Double_t(localMom[1]))); | |
172 | Double_t cotheta = TMath::Abs(cos(localTheta)); | |
173 | Float_t t = Fresnel(ckovEnergy*1e9,cotheta,1); | |
174 | gMC->GetRandom()->RndmArray(1,ranf); | |
175 | if (ranf[0] < t) { | |
176 | gMC->StopTrack(); | |
177 | ckovData[13] = 6; | |
642f15cf | 178 | AddCerenkov(gAlice->GetCurrentTrackNumber(),vol,ckovData); |
d128c9d1 | 179 | |
180 | //printf("Added One (2)!\n"); | |
181 | //printf("Lost by Fresnel\n"); | |
182 | } | |
183 | /**********************************************************************************/ | |
184 | } | |
185 | } //track entering? | |
186 | ||
187 | ||
188 | /********************Evaluation of losses************************/ | |
189 | /******************still in the old fashion**********************/ | |
190 | ||
191 | TArrayI procs; | |
192 | Int_t i1 = gMC->StepProcesses(procs); //number of physics mechanisms acting on the particle | |
193 | for (Int_t i = 0; i < i1; ++i) { | |
194 | // Reflection loss | |
195 | if (procs[i] == kPLightReflection) { //was it reflected | |
196 | ckovData[13]=10; | |
197 | if (gMC->VolId("FRE1")==gMC->CurrentVolID(copy) || gMC->VolId("FRE2")==gMC->CurrentVolID(copy)) | |
198 | ckovData[13]=1; | |
199 | if (gMC->CurrentVolID(copy) == gMC->VolId("QUAR")) | |
200 | ckovData[13]=2; | |
d128c9d1 | 201 | } //reflection question |
202 | ||
203 | // Absorption loss | |
204 | else if (procs[i] == kPLightAbsorption) { //was it absorbed? | |
205 | //printf("Got in absorption\n"); | |
206 | ckovData[13]=20; | |
207 | if (gMC->VolId("FRE1")==gMC->CurrentVolID(copy) || gMC->VolId("FRE2")==gMC->CurrentVolID(copy)) | |
208 | ckovData[13]=11; | |
209 | if (gMC->CurrentVolID(copy) == gMC->VolId("QUAR")) | |
210 | ckovData[13]=12; | |
211 | if (gMC->CurrentVolID(copy) == gMC->VolId("META")) | |
212 | ckovData[13]=13; | |
213 | if (gMC->CurrentVolID(copy) == gMC->VolId("GAP ")) | |
214 | ckovData[13]=13; | |
215 | ||
216 | if (gMC->CurrentVolID(copy) == gMC->VolId("SRIC")) | |
217 | ckovData[13]=15; | |
218 | ||
219 | // CsI inefficiency | |
220 | if (gMC->CurrentVolID(copy) == gMC->VolId("CSI ")) { | |
221 | ckovData[13]=16; | |
222 | } | |
223 | gMC->StopTrack(); | |
642f15cf | 224 | AddCerenkov(gAlice->GetCurrentTrackNumber(),vol,ckovData); |
d128c9d1 | 225 | } //absorption question |
226 | ||
227 | ||
228 | // Photon goes out of tracking scope | |
229 | else if (procs[i] == kPStop) { //is it below energy treshold? | |
230 | ckovData[13]=21; | |
231 | gMC->StopTrack(); | |
642f15cf | 232 | AddCerenkov(gAlice->GetCurrentTrackNumber(),vol,ckovData); |
d128c9d1 | 233 | } // energy treshold question |
234 | } //number of mechanisms cycle | |
235 | /**********************End of evaluation************************/ | |
236 | } //freon production question | |
237 | } //energy interval question | |
d128c9d1 | 238 | } //cerenkov photon question |
239 | ||
240 | /**************************************End of Production Parameters Storing*********************/ | |
241 | ||
242 | ||
243 | /*******************************Treat photons that hit the CsI (Ckovs and Feedbacks)************/ | |
244 | ||
245 | if (gMC->TrackPid() == 50000050 || gMC->TrackPid() == 50000051) { | |
d128c9d1 | 246 | |
247 | if (gMC->VolId("CSI ")==gMC->CurrentVolID(copy)) | |
248 | { | |
d128c9d1 | 249 | if (gMC->Edep() > 0.){ |
250 | gMC->TrackPosition(position); | |
251 | gMC->TrackMomentum(momentum); | |
252 | pos[0]=position(0); | |
253 | pos[1]=position(1); | |
254 | pos[2]=position(2); | |
255 | mom[0]=momentum(0); | |
256 | mom[1]=momentum(1); | |
257 | mom[2]=momentum(2); | |
258 | mom[3]=momentum(3); | |
259 | Double_t tc = mom[0]*mom[0]+mom[1]*mom[1]; | |
260 | Double_t rt = TMath::Sqrt(tc); | |
261 | theta = Float_t(TMath::ATan2(rt,Double_t(mom[2])))*kRaddeg; | |
262 | phi = Float_t(TMath::ATan2(Double_t(mom[1]),Double_t(mom[0])))*kRaddeg; | |
263 | ||
264 | gMC->CurrentVolOffID(2,copy); | |
265 | vol[0]=copy; | |
266 | idvol=vol[0]-1; | |
267 | ||
268 | ||
269 | gMC->Gmtod(pos,localPos,1); | |
270 | ||
d128c9d1 | 271 | |
272 | gMC->Gmtod(mom,localMom,2); | |
273 | ||
d128c9d1 | 274 | |
275 | gMC->CurrentVolOffID(2,copy); | |
276 | vol[0]=copy; | |
277 | idvol=vol[0]-1; | |
278 | ||
d128c9d1 | 279 | |
d128c9d1 | 280 | ((AliRICHChamber*)fChambers->At(idvol)) |
281 | ->SigGenInit(localPos[0], localPos[2], localPos[1]); | |
282 | if(idvol<kNCH) { | |
283 | ckovData[0] = gMC->TrackPid(); // particle type | |
284 | ckovData[1] = pos[0]; // X-position for hit | |
285 | ckovData[2] = pos[1]; // Y-position for hit | |
286 | ckovData[3] = pos[2]; // Z-position for hit | |
287 | ckovData[4] = theta; // theta angle of incidence | |
288 | ckovData[5] = phi; // phi angle of incidence | |
853634d3 | 289 | ckovData[8] = (Float_t) fNsdigits; // first sdigit |
d128c9d1 | 290 | ckovData[9] = -1; // last pad hit |
291 | ckovData[13] = 4; // photon was detected | |
292 | ckovData[14] = mom[0]; | |
293 | ckovData[15] = mom[1]; | |
294 | ckovData[16] = mom[2]; | |
295 | ||
296 | destep = gMC->Edep(); | |
297 | gMC->SetMaxStep(kBig); | |
298 | cherenkovLoss += destep; | |
299 | ckovData[7]=cherenkovLoss; | |
300 | ||
301 | //nPads = Hits2SDigits(localPos[0],localPos[2],cherenkovLoss,idvol,kCerenkov);//for photons in CsI kir | |
302 | ||
853634d3 | 303 | if (fNsdigits > (Int_t)ckovData[8]) { |
d128c9d1 | 304 | ckovData[8]= ckovData[8]+1; |
853634d3 | 305 | ckovData[9]= (Float_t) fNsdigits; |
d128c9d1 | 306 | } |
307 | ||
d128c9d1 | 308 | |
309 | ckovData[17] = nPads; | |
853634d3 | 310 | AliRICHhit *mipHit = (AliRICHhit*) (fHits->UncheckedAt(0)); |
d128c9d1 | 311 | if (mipHit) |
312 | { | |
313 | mom[0] = current->Px(); | |
314 | mom[1] = current->Py(); | |
315 | mom[2] = current->Pz(); | |
316 | Float_t mipPx = mipHit->MomX(); | |
317 | Float_t mipPy = mipHit->MomY(); | |
318 | Float_t mipPz = mipHit->MomZ(); | |
319 | ||
320 | Float_t r = mom[0]*mom[0] + mom[1]*mom[1] + mom[2]*mom[2]; | |
321 | Float_t rt = TMath::Sqrt(r); | |
322 | Float_t mipR = mipPx*mipPx + mipPy*mipPy + mipPz*mipPz; | |
323 | Float_t mipRt = TMath::Sqrt(mipR); | |
324 | if ((rt*mipRt) > 0) | |
325 | { | |
326 | coscerenkov = (mom[0]*mipPx + mom[1]*mipPy + mom[2]*mipPz)/(rt*mipRt); | |
327 | } | |
328 | else | |
329 | { | |
330 | coscerenkov = 0; | |
331 | } | |
332 | Float_t cherenkov = TMath::ACos(coscerenkov); | |
333 | ckovData[18]=cherenkov; | |
334 | } | |
335 | //if (sector != -1) | |
336 | //{ | |
642f15cf | 337 | AddHit(gAlice->GetCurrentTrackNumber(),vol,ckovData); |
338 | AddCerenkov(gAlice->GetCurrentTrackNumber(),vol,ckovData); | |
d128c9d1 | 339 | //printf("Added One (5)!\n"); |
340 | //} | |
341 | } | |
342 | } | |
343 | } | |
344 | } | |
345 | ||
346 | /***********************************************End of photon hits*********************************************/ | |
347 | ||
348 | ||
349 | /**********************************************Charged particles treatment*************************************/ | |
350 | ||
853634d3 | 351 | else if (gMC->TrackCharge()){//is MIP? |
d128c9d1 | 352 | if (gMC->VolId("FRE1")==gMC->CurrentVolID(copy) || gMC->VolId("FRE2")==gMC->CurrentVolID(copy)) |
353 | { | |
354 | gMC->TrackMomentum(momentum); | |
355 | mom[0]=momentum(0); | |
356 | mom[1]=momentum(1); | |
357 | mom[2]=momentum(2); | |
358 | mom[3]=momentum(3); | |
359 | hits [19] = mom[0]; | |
360 | hits [20] = mom[1]; | |
361 | hits [21] = mom[2]; | |
362 | fFreonProd=1; | |
363 | } | |
364 | ||
853634d3 | 365 | if(gMC->VolId("GAP ")==gMC->CurrentVolID(copy)) {//is in GAP? |
d128c9d1 | 366 | // Get current particle id (ipart), track position (pos) and momentum (mom) |
367 | ||
368 | gMC->CurrentVolOffID(3,copy); | |
369 | vol[0]=copy; | |
370 | idvol=vol[0]-1; | |
d128c9d1 | 371 | gMC->TrackPosition(position); |
372 | gMC->TrackMomentum(momentum); | |
373 | pos[0]=position(0); | |
374 | pos[1]=position(1); | |
375 | pos[2]=position(2); | |
376 | mom[0]=momentum(0); | |
377 | mom[1]=momentum(1); | |
378 | mom[2]=momentum(2); | |
379 | mom[3]=momentum(3); | |
380 | ||
381 | gMC->Gmtod(pos,localPos,1); | |
d128c9d1 | 382 | gMC->Gmtod(mom,localMom,2); |
d128c9d1 | 383 | ipart = gMC->TrackPid(); |
853634d3 | 384 | destep = gMC->Edep();step = gMC->TrackStep();// momentum loss and steplength in last step |
385 | if(gMC->IsTrackEntering()){ // record hits when track enters ... | |
386 | ||
d128c9d1 | 387 | Double_t tc = mom[0]*mom[0]+mom[1]*mom[1]; |
388 | Double_t rt = TMath::Sqrt(tc); | |
389 | theta = Float_t(TMath::ATan2(rt,Double_t(mom[2])))*kRaddeg; | |
390 | phi = Float_t(TMath::ATan2(Double_t(mom[1]),Double_t(mom[0])))*kRaddeg; | |
391 | ||
392 | ||
393 | Double_t localTc = localMom[0]*localMom[0]+localMom[2]*localMom[2]; | |
394 | Double_t localRt = TMath::Sqrt(localTc); | |
395 | localTheta = Float_t(TMath::ATan2(localRt,Double_t(localMom[1])))*kRaddeg; | |
396 | localPhi = Float_t(TMath::ATan2(Double_t(localMom[2]),Double_t(localMom[0])))*kRaddeg; | |
397 | ||
398 | hits[0] = Float_t(ipart); // particle type | |
399 | hits[1] = localPos[0]; // X-position for hit | |
400 | hits[2] = localPos[1]; // Y-position for hit | |
401 | hits[3] = localPos[2]; // Z-position for hit | |
402 | hits[4] = localTheta; // theta angle of incidence | |
403 | hits[5] = localPhi; // phi angle of incidence | |
853634d3 | 404 | hits[8] = (Float_t) fNsdigits; // first sdigit |
d128c9d1 | 405 | hits[9] = -1; // last pad hit |
406 | hits[13] = fFreonProd; // did id hit the freon? | |
407 | hits[14] = mom[0]; | |
408 | hits[15] = mom[1]; | |
409 | hits[16] = mom[2]; | |
410 | hits[18] = 0; // dummy cerenkov angle | |
411 | ||
412 | tlength = 0; | |
413 | eloss = 0; | |
414 | fFreonProd = 0; | |
415 | ||
416 | Chamber(idvol).LocaltoGlobal(localPos,hits+1); | |
417 | ||
418 | ||
419 | //To make chamber coordinates x-y had to pass localPos[0], localPos[2] | |
420 | xhit = localPos[0]; | |
421 | yhit = localPos[2]; | |
422 | // Only if not trigger chamber | |
423 | if(idvol<kNCH) { | |
d128c9d1 | 424 | // Initialize hit position (cursor) in the segmentation model |
d128c9d1 | 425 | ((AliRICHChamber*)fChambers->At(idvol)) |
426 | ->SigGenInit(localPos[0], localPos[2], localPos[1]); | |
427 | } | |
428 | } | |
429 | ||
d128c9d1 | 430 | // Calculate the charge induced on a pad (disintegration) in case |
d128c9d1 | 431 | // Mip left chamber ... |
432 | if( gMC->IsTrackExiting() || gMC->IsTrackStop() || gMC->IsTrackDisappeared()){ | |
433 | gMC->SetMaxStep(kBig); | |
434 | eloss += destep; | |
435 | tlength += step; | |
436 | ||
437 | ||
438 | // Only if not trigger chamber | |
439 | if(idvol<kNCH) { | |
440 | if (eloss > 0) | |
441 | { | |
442 | if(gMC->TrackPid() == kNeutron) | |
443 | printf("\n\n\n\n\n Neutron Making Pad Hit!!! \n\n\n\n"); | |
444 | //nPads = Hits2SDigits(xhit,yhit,eloss,idvol,kMip); //for MIP kir | |
445 | hits[17] = nPads; | |
d128c9d1 | 446 | } |
447 | } | |
448 | ||
449 | hits[6]=tlength; | |
450 | hits[7]=eloss; | |
853634d3 | 451 | if (fNsdigits > (Int_t)hits[8]) { |
d128c9d1 | 452 | hits[8]= hits[8]+1; |
853634d3 | 453 | hits[9]= (Float_t) fNsdigits; |
d128c9d1 | 454 | } |
455 | ||
853634d3 | 456 | new(lhits[fNhits++]) AliRICHhit(fIshunt,gAlice->GetCurrentTrackNumber(),vol,hits); |
d128c9d1 | 457 | eloss = 0; |
d128c9d1 | 458 | // Check additional signal generation conditions |
459 | // defined by the segmentation | |
460 | // model (boundary crossing conditions) | |
461 | } else if | |
d128c9d1 | 462 | (((AliRICHChamber*)fChambers->At(idvol)) |
463 | ->SigGenCond(localPos[0], localPos[2], localPos[1])) | |
464 | { | |
d128c9d1 | 465 | ((AliRICHChamber*)fChambers->At(idvol)) |
466 | ->SigGenInit(localPos[0], localPos[2], localPos[1]); | |
467 | if (eloss > 0) | |
468 | { | |
469 | if(gMC->TrackPid() == kNeutron) | |
470 | printf("\n\n\n\n\n Neutron Making Pad Hit!!! \n\n\n\n"); | |
471 | //nPads = Hits2SDigits(xhit,yhit,eloss,idvol,kMip);//for N kir | |
472 | hits[17] = nPads; | |
473 | //printf("Npads:%d",NPads); | |
474 | } | |
475 | xhit = localPos[0]; | |
476 | yhit = localPos[2]; | |
477 | eloss = destep; | |
478 | tlength += step ; | |
479 | // | |
480 | // nothing special happened, add up energy loss | |
481 | } else { | |
482 | eloss += destep; | |
483 | tlength += step ; | |
484 | } | |
853634d3 | 485 | }//is in GAP? |
486 | }//is MIP? | |
d128c9d1 | 487 | }//void AliRICHv1::StepManager() |