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517b7f8f | 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 | /* $Id$ */ |
17 | ||
0e46b9ae | 18 | //__________________________________________________________// |
19 | // // | |
20 | // This is a TTask that constructs SDigits out of Hits // | |
21 | // A Summable Digits is the "sum" of all hits in a pad // | |
22 | // Detector response has been simulated via the method // | |
23 | // SimulateDetectorResponse // | |
24 | // // | |
25 | // -- Authors: F. Pierella, A. De Caro // | |
26 | // Use case: see AliTOFhits2sdigits.C macro in the CVS // | |
27 | //__________________________________________________________// | |
28 | ||
e939a978 | 29 | #include <TBenchmark.h> |
7ca4655f | 30 | #include <TClonesArray.h> |
e939a978 | 31 | #include <TF1.h> |
32 | #include <TFile.h> | |
33 | #include <TParticle.h> | |
34 | #include <TTree.h> | |
35 | #include <TRandom.h> | |
a1e17193 | 36 | #include <TROOT.h> |
88cb7938 | 37 | |
88cb7938 | 38 | #include "AliLoader.h" |
0e46b9ae | 39 | #include "AliLog.h" |
d3c7bfac | 40 | #include "AliMC.h" |
88cb7938 | 41 | #include "AliRunLoader.h" |
0e46b9ae | 42 | #include "AliRun.h" |
d3c7bfac | 43 | |
0f4a7374 | 44 | #include "AliTOFGeometry.h" |
5919c40c | 45 | #include "AliTOFHitMap.h" |
016e1f91 | 46 | #include "AliTOFhitT0.h" |
0e46b9ae | 47 | #include "AliTOFhit.h" |
48 | #include "AliTOFSDigitizer.h" | |
49 | #include "AliTOFSDigit.h" | |
50 | #include "AliTOF.h" | |
51 | ||
5c7c93fa | 52 | extern TROOT *gROOT; |
517b7f8f | 53 | |
54 | ClassImp(AliTOFSDigitizer) | |
55 | ||
56 | //____________________________________________________________________________ | |
655e379f | 57 | AliTOFSDigitizer::AliTOFSDigitizer(): |
58 | TTask("TOFSDigitizer",""), | |
59 | fEvent1(-1), | |
60 | fEvent2(-1), | |
61 | ftail(0x0), | |
62 | fHeadersFile(""), | |
63 | fRunLoader(0x0), | |
64 | fTOFLoader(0x0), | |
655e379f | 65 | fSelectedSector(-1), |
66 | fSelectedPlate(-1), | |
67 | fTimeResolution(0), | |
68 | fpadefficiency(0), | |
69 | fEdgeEffect(-1), | |
70 | fEdgeTails(-1), | |
71 | fHparameter(0), | |
72 | fH2parameter(0), | |
73 | fKparameter(0), | |
74 | fK2parameter(0), | |
75 | fEffCenter(0), | |
76 | fEffBoundary(0), | |
77 | fEff2Boundary(0), | |
78 | fEff3Boundary(0), | |
79 | fAddTRes(0), | |
80 | fResCenter(0), | |
81 | fResBoundary(0), | |
82 | fResSlope(0), | |
83 | fTimeWalkCenter(0), | |
84 | fTimeWalkBoundary(0), | |
85 | fTimeWalkSlope(0), | |
86 | fTimeDelayFlag(-1), | |
87 | fPulseHeightSlope(0), | |
88 | fTimeDelaySlope(0), | |
89 | fMinimumCharge(0), | |
90 | fChargeSmearing(0), | |
91 | fLogChargeSmearing(0), | |
92 | fTimeSmearing(0), | |
93 | fAverageTimeFlag(-1), | |
94 | fAdcBin(0), | |
95 | fAdcMean(0), | |
96 | fAdcRms(0) | |
517b7f8f | 97 | { |
98 | // ctor | |
517b7f8f | 99 | } |
d61f73d9 | 100 | |
7aeeaf38 | 101 | //------------------------------------------------------------------------ |
655e379f | 102 | AliTOFSDigitizer::AliTOFSDigitizer(const AliTOFSDigitizer &source): |
103 | TTask(source), | |
104 | fEvent1(-1), | |
105 | fEvent2(-1), | |
106 | ftail(0x0), | |
107 | fHeadersFile(""), | |
108 | fRunLoader(0x0), | |
109 | fTOFLoader(0x0), | |
655e379f | 110 | fSelectedSector(-1), |
111 | fSelectedPlate(-1), | |
112 | fTimeResolution(0), | |
113 | fpadefficiency(0), | |
114 | fEdgeEffect(-1), | |
115 | fEdgeTails(-1), | |
116 | fHparameter(0), | |
117 | fH2parameter(0), | |
118 | fKparameter(0), | |
119 | fK2parameter(0), | |
120 | fEffCenter(0), | |
121 | fEffBoundary(0), | |
122 | fEff2Boundary(0), | |
123 | fEff3Boundary(0), | |
124 | fAddTRes(0), | |
125 | fResCenter(0), | |
126 | fResBoundary(0), | |
127 | fResSlope(0), | |
128 | fTimeWalkCenter(0), | |
129 | fTimeWalkBoundary(0), | |
130 | fTimeWalkSlope(0), | |
131 | fTimeDelayFlag(-1), | |
132 | fPulseHeightSlope(0), | |
133 | fTimeDelaySlope(0), | |
134 | fMinimumCharge(0), | |
135 | fChargeSmearing(0), | |
136 | fLogChargeSmearing(0), | |
137 | fTimeSmearing(0), | |
138 | fAverageTimeFlag(-1), | |
139 | fAdcBin(0), | |
140 | fAdcMean(0), | |
141 | fAdcRms(0) | |
7aeeaf38 | 142 | { |
143 | // copy constructor | |
96f01799 | 144 | //this->fTOFGeometry=source.fTOFGeometry; |
7aeeaf38 | 145 | |
146 | } | |
147 | ||
148 | //____________________________________________________________________________ | |
2f584d46 | 149 | AliTOFSDigitizer& AliTOFSDigitizer::operator=(const AliTOFSDigitizer &/*source*/) |
7aeeaf38 | 150 | { |
151 | // ass. op. | |
7aeeaf38 | 152 | return *this; |
153 | ||
154 | } | |
155 | ||
517b7f8f | 156 | //____________________________________________________________________________ |
655e379f | 157 | AliTOFSDigitizer::AliTOFSDigitizer(const char* HeaderFile, Int_t evNumber1, Int_t nEvents): |
158 | TTask("TOFSDigitizer",""), | |
159 | fEvent1(-1), | |
160 | fEvent2(-1), | |
161 | ftail(0x0), | |
162 | fHeadersFile(HeaderFile), // input filename (with hits) | |
163 | fRunLoader(0x0), | |
164 | fTOFLoader(0x0), | |
655e379f | 165 | fSelectedSector(-1), // by default we sdigitize all sectors |
166 | fSelectedPlate(-1), // by default we sdigitize all plates in all sectors | |
167 | fTimeResolution(0), | |
168 | fpadefficiency(0), | |
169 | fEdgeEffect(-1), | |
170 | fEdgeTails(-1), | |
171 | fHparameter(0), | |
172 | fH2parameter(0), | |
173 | fKparameter(0), | |
174 | fK2parameter(0), | |
175 | fEffCenter(0), | |
176 | fEffBoundary(0), | |
177 | fEff2Boundary(0), | |
178 | fEff3Boundary(0), | |
179 | fAddTRes(0), | |
180 | fResCenter(0), | |
181 | fResBoundary(0), | |
182 | fResSlope(0), | |
183 | fTimeWalkCenter(0), | |
184 | fTimeWalkBoundary(0), | |
185 | fTimeWalkSlope(0), | |
186 | fTimeDelayFlag(-1), | |
187 | fPulseHeightSlope(0), | |
188 | fTimeDelaySlope(0), | |
189 | fMinimumCharge(0), | |
190 | fChargeSmearing(0), | |
191 | fLogChargeSmearing(0), | |
192 | fTimeSmearing(0), | |
193 | fAverageTimeFlag(-1), | |
194 | fAdcBin(0), | |
195 | fAdcMean(0), | |
196 | fAdcRms(0) | |
517b7f8f | 197 | { |
340693af | 198 | //ctor, reading from input file |
d61f73d9 | 199 | |
d61f73d9 | 200 | TFile * file = (TFile*) gROOT->GetFile(fHeadersFile.Data()); |
201 | ||
202 | //File was not opened yet open file and get alirun object | |
203 | if (file == 0) { | |
204 | file = TFile::Open(fHeadersFile.Data(),"update") ; | |
205 | gAlice = (AliRun *) file->Get("gAlice") ; | |
ea7a588a | 206 | } |
26e447bd | 207 | |
517b7f8f | 208 | // add Task to //root/Tasks folder |
e191bb57 | 209 | TString evfoldname = AliConfig::GetDefaultEventFolderName(); |
f540341d | 210 | fRunLoader = AliRunLoader::GetRunLoader(evfoldname); |
211 | if (!fRunLoader) | |
212 | fRunLoader = AliRunLoader::Open(HeaderFile);//open session and mount on default event folder | |
88cb7938 | 213 | if (fRunLoader == 0x0) |
d61f73d9 | 214 | { |
d076c8d5 | 215 | AliFatal("Event is not loaded. Exiting"); |
d61f73d9 | 216 | return; |
217 | } | |
26e447bd | 218 | |
96f01799 | 219 | /* |
d3c7bfac | 220 | fRunLoader->CdGAFile(); |
221 | TDirectory *savedir=gDirectory; | |
222 | TFile *in=(TFile*)gFile; | |
223 | ||
96f01799 | 224 | |
225 | // when fTOFGeometry was needed | |
d3c7bfac | 226 | if (!in->IsOpen()) { |
227 | AliWarning("Geometry file is not open default TOF geometry will be used"); | |
228 | fTOFGeometry = new AliTOFGeometry(); | |
229 | } | |
230 | else { | |
231 | in->cd(); | |
232 | fTOFGeometry = (AliTOFGeometry*)in->Get("TOFgeometry"); | |
233 | } | |
96f01799 | 234 | |
d3c7bfac | 235 | savedir->cd(); |
96f01799 | 236 | */ |
f540341d | 237 | if (fRunLoader->TreeE() == 0x0) fRunLoader->LoadHeader(); |
d61f73d9 | 238 | |
239 | if (evNumber1>=0) fEvent1 = evNumber1; | |
240 | else fEvent1=0; | |
241 | ||
242 | if (nEvents==0) fEvent2 = (Int_t)(fRunLoader->GetNumberOfEvents()); | |
243 | else if (nEvents>0) fEvent2 = evNumber1+nEvents; | |
244 | else fEvent2 = 1; | |
245 | ||
246 | if (!(fEvent2>fEvent1)) { | |
d076c8d5 | 247 | AliError(Form("fEvent2 = %d <= fEvent1 = %d", fEvent2, fEvent1)); |
d61f73d9 | 248 | fEvent1 = 0; |
249 | fEvent2 = 1; | |
d076c8d5 | 250 | AliError(Form("Correction: fEvent2 = %d <= fEvent1 = %d", fEvent2, fEvent1)); |
26e447bd | 251 | } |
d61f73d9 | 252 | |
26e447bd | 253 | // init parameters for sdigitization |
254 | InitParameters(); | |
d61f73d9 | 255 | |
256 | fTOFLoader = fRunLoader->GetLoader("TOFLoader"); | |
257 | if (fTOFLoader == 0x0) | |
258 | { | |
d076c8d5 | 259 | AliFatal("Can not find TOF loader in event. Exiting."); |
d61f73d9 | 260 | return; |
261 | } | |
262 | fTOFLoader->PostSDigitizer(this); | |
517b7f8f | 263 | } |
264 | ||
265 | //____________________________________________________________________________ | |
d61f73d9 | 266 | AliTOFSDigitizer::~AliTOFSDigitizer() |
517b7f8f | 267 | { |
268 | // dtor | |
797e311f | 269 | fTOFLoader->CleanSDigitizer(); |
d3c7bfac | 270 | |
f73548c4 | 271 | } |
272 | ||
273 | //____________________________________________________________________________ | |
274 | void AliTOFSDigitizer::InitParameters() | |
275 | { | |
276 | // set parameters for detector simulation | |
d61f73d9 | 277 | |
7e6dce66 | 278 | fTimeResolution = 0.080; //0.120; OLD |
279 | fpadefficiency = 0.99 ; | |
f73548c4 | 280 | fEdgeEffect = 2 ; |
281 | fEdgeTails = 0 ; | |
282 | fHparameter = 0.4 ; | |
283 | fH2parameter = 0.15; | |
284 | fKparameter = 0.5 ; | |
285 | fK2parameter = 0.35; | |
286 | fEffCenter = fpadefficiency; | |
287 | fEffBoundary = 0.65; | |
288 | fEff2Boundary = 0.90; | |
289 | fEff3Boundary = 0.08; | |
8d6daa31 | 290 | fAddTRes = 68. ; // \sqrt{2x20^2 + 15^2 + 2x10^2 + 30^2 + 50^2} (p-p) |
291 | //fAddTRes = 48. ; // \sqrt{2x20^2 + 15^2 + 2x10^2 + 30^2 + 15^2} (Pb-Pb) | |
7e6dce66 | 292 | // 30^2+20^2+40^2+50^2+50^2+50^2 = 10400 ps^2 (very old value) |
293 | fResCenter = 35. ; //50. ; // OLD | |
f73548c4 | 294 | fResBoundary = 70. ; |
7e6dce66 | 295 | fResSlope = 37. ; //40. ; // OLD |
f73548c4 | 296 | fTimeWalkCenter = 0. ; |
297 | fTimeWalkBoundary=0. ; | |
298 | fTimeWalkSlope = 0. ; | |
299 | fTimeDelayFlag = 1 ; | |
300 | fPulseHeightSlope=2.0 ; | |
301 | fTimeDelaySlope =0.060; | |
302 | // was fMinimumCharge = TMath::Exp(fPulseHeightSlope*fKparameter/2.); | |
303 | fMinimumCharge = TMath::Exp(-fPulseHeightSlope*fHparameter); | |
304 | fChargeSmearing=0.0 ; | |
305 | fLogChargeSmearing=0.13; | |
306 | fTimeSmearing =0.022; | |
307 | fAverageTimeFlag=0 ; | |
43f77f2d | 308 | |
d61f73d9 | 309 | fAdcBin = 0.25; // 1 ADC bin = 0.25 pC (or 0.03 pC) |
ea7a588a | 310 | fAdcMean = 50.; // ADC distribution mpv value for Landau (in bins) |
311 | // it corresponds to a mean value of ~100 bins | |
312 | fAdcRms = 25.; // ADC distribution rms value (in bins) | |
313 | // it corresponds to distribution rms ~50 bins | |
f73548c4 | 314 | } |
315 | ||
316 | //__________________________________________________________________ | |
ea7a588a | 317 | Double_t TimeWithTail(Double_t* x, Double_t* par) |
f73548c4 | 318 | { |
319 | // sigma - par[0], alpha - par[1], part - par[2] | |
320 | // at x<part*sigma - gauss | |
321 | // at x>part*sigma - TMath::Exp(-x/alpha) | |
322 | Float_t xx =x[0]; | |
323 | Double_t f; | |
324 | if(xx<par[0]*par[2]) { | |
325 | f = TMath::Exp(-xx*xx/(2*par[0]*par[0])); | |
326 | } else { | |
327 | f = TMath::Exp(-(xx-par[0]*par[2])/par[1]-0.5*par[2]*par[2]); | |
328 | } | |
329 | return f; | |
517b7f8f | 330 | } |
331 | ||
332 | //____________________________________________________________________________ | |
d61f73d9 | 333 | void AliTOFSDigitizer::Exec(Option_t *verboseOption) { |
340693af | 334 | //execute TOF sdigitization |
d61f73d9 | 335 | if (strstr(verboseOption,"tim") || strstr(verboseOption,"all")) |
ea7a588a | 336 | gBenchmark->Start("TOFSDigitizer"); |
517b7f8f | 337 | |
ea7a588a | 338 | if (fEdgeTails) ftail = new TF1("tail",TimeWithTail,-2,2,3); |
d61f73d9 | 339 | |
ea7a588a | 340 | Int_t nselectedHits=0; |
341 | Int_t ntotalsdigits=0; | |
342 | Int_t ntotalupdates=0; | |
343 | Int_t nnoisesdigits=0; | |
344 | Int_t nsignalsdigits=0; | |
345 | Int_t nHitsFromPrim=0; | |
346 | Int_t nHitsFromSec=0; | |
347 | Int_t nlargeTofDiff=0; | |
f73548c4 | 348 | |
da3d3acd | 349 | Bool_t thereIsNotASelection=(fSelectedSector==-1) && (fSelectedPlate==-1); |
55991c8b | 350 | |
f540341d | 351 | if (fRunLoader->GetAliRun() == 0x0) fRunLoader->LoadgAlice(); |
d61f73d9 | 352 | gAlice = fRunLoader->GetAliRun(); |
ea7a588a | 353 | |
d61f73d9 | 354 | fRunLoader->LoadKinematics(); |
355 | ||
7e6dce66 | 356 | AliTOF *tof = (AliTOF *) gAlice->GetDetector("TOF"); |
d61f73d9 | 357 | |
7e6dce66 | 358 | if (!tof) { |
d076c8d5 | 359 | AliError("TOF not found"); |
d61f73d9 | 360 | return; |
361 | } | |
362 | ||
363 | fTOFLoader->LoadHits("read"); | |
364 | fTOFLoader->LoadSDigits("recreate"); | |
365 | ||
366 | for (Int_t iEvent=fEvent1; iEvent<fEvent2; iEvent++) { | |
0e46b9ae | 367 | //AliInfo(Form("------------------- %s -------------", GetName())); |
368 | //AliInfo(Form("Sdigitizing event %i", iEvent)); | |
517b7f8f | 369 | |
d61f73d9 | 370 | fRunLoader->GetEvent(iEvent); |
371 | ||
7e6dce66 | 372 | TTree *hitTree = fTOFLoader->TreeH (); |
373 | if (!hitTree) return; | |
517b7f8f | 374 | |
d61f73d9 | 375 | if (fTOFLoader->TreeS () == 0) fTOFLoader->MakeTree ("S"); |
376 | ||
5919c40c | 377 | //Make branch for digits |
7e6dce66 | 378 | tof->MakeBranch("S"); |
517b7f8f | 379 | |
d61f73d9 | 380 | // recreate TClonesArray fSDigits - for backward compatibility |
7e6dce66 | 381 | if (tof->SDigits() == 0) { |
382 | tof->CreateSDigitsArray(); | |
d61f73d9 | 383 | } else { |
7e6dce66 | 384 | tof->RecreateSDigitsArray(); |
d61f73d9 | 385 | } |
5919c40c | 386 | |
7e6dce66 | 387 | tof->SetTreeAddress(); |
87e54ebb | 388 | |
7e6dce66 | 389 | Int_t version=tof->IsVersion(); |
d61f73d9 | 390 | |
391 | Int_t nselectedHitsinEv=0; | |
392 | Int_t ntotalsdigitsinEv=0; | |
393 | Int_t ntotalupdatesinEv=0; | |
394 | Int_t nnoisesdigitsinEv=0; | |
395 | Int_t nsignalsdigitsinEv=0; | |
016e1f91 | 396 | |
5919c40c | 397 | TParticle *particle; |
016e1f91 | 398 | //AliTOFhit *tofHit; |
7e6dce66 | 399 | TClonesArray *tofHitArray = tof->Hits(); |
5919c40c | 400 | |
f73548c4 | 401 | // create hit map |
96f01799 | 402 | // AliTOFHitMap *hitMap = new AliTOFHitMap(tof->SDigits(), fTOFGeometry); |
403 | AliTOFHitMap *hitMap = new AliTOFHitMap(tof->SDigits()); | |
5919c40c | 404 | |
7e6dce66 | 405 | TBranch * tofHitsBranch = hitTree->GetBranch("TOF"); |
bfec09a6 | 406 | |
7e6dce66 | 407 | Int_t ntracks = static_cast<Int_t>(hitTree->GetEntries()); |
5919c40c | 408 | for (Int_t track = 0; track < ntracks; track++) |
409 | { | |
410 | gAlice->ResetHits(); | |
d7ccea72 | 411 | tofHitsBranch->GetEvent(track); |
0e46b9ae | 412 | |
413 | AliMC *mcApplication = (AliMC*)gAlice->GetMCApp(); | |
414 | ||
415 | particle = mcApplication->Particle(track); | |
7e6dce66 | 416 | Int_t nhits = tofHitArray->GetEntriesFast(); |
f73548c4 | 417 | // cleaning all hits of the same track in the same pad volume |
418 | // it is a rare event, however it happens | |
419 | ||
d61f73d9 | 420 | Int_t previousTrack =-1; |
421 | Int_t previousSector=-1; | |
422 | Int_t previousPlate =-1; | |
423 | Int_t previousStrip =-1; | |
424 | Int_t previousPadX =-1; | |
425 | Int_t previousPadZ =-1; | |
5919c40c | 426 | |
d61f73d9 | 427 | for (Int_t hit = 0; hit < nhits; hit++) { |
016e1f91 | 428 | Int_t vol[5]; // location for a digit |
bf33f8f0 | 429 | Int_t digit[2]; // TOF digit variables |
016e1f91 | 430 | Int_t tracknum; |
7e6dce66 | 431 | Float_t dxPad; |
432 | Float_t dzPad; | |
016e1f91 | 433 | Float_t geantTime; |
434 | ||
435 | // fp: really sorry for this, it is a temporary trick to have | |
436 | // track length too | |
dfef1a15 | 437 | if (version<6) { //(version!=6 && version!=7) |
7e6dce66 | 438 | AliTOFhit *tofHit = (AliTOFhit *) tofHitArray->UncheckedAt(hit); |
016e1f91 | 439 | tracknum = tofHit->GetTrack(); |
440 | vol[0] = tofHit->GetSector(); | |
441 | vol[1] = tofHit->GetPlate(); | |
442 | vol[2] = tofHit->GetStrip(); | |
443 | vol[3] = tofHit->GetPadx(); | |
444 | vol[4] = tofHit->GetPadz(); | |
7e6dce66 | 445 | dxPad = tofHit->GetDx(); |
446 | dzPad = tofHit->GetDz(); | |
016e1f91 | 447 | geantTime = tofHit->GetTof(); // unit [s] |
448 | } else { | |
7e6dce66 | 449 | AliTOFhitT0 *tofHit = (AliTOFhitT0 *) tofHitArray->UncheckedAt(hit); |
016e1f91 | 450 | tracknum = tofHit->GetTrack(); |
451 | vol[0] = tofHit->GetSector(); | |
452 | vol[1] = tofHit->GetPlate(); | |
55991c8b | 453 | vol[2] = tofHit->GetStrip(); |
454 | vol[3] = tofHit->GetPadx(); | |
455 | vol[4] = tofHit->GetPadz(); | |
7e6dce66 | 456 | dxPad = tofHit->GetDx(); |
457 | dzPad = tofHit->GetDz(); | |
016e1f91 | 458 | geantTime = tofHit->GetTof(); // unit [s] |
459 | } | |
d61f73d9 | 460 | |
016e1f91 | 461 | geantTime *= 1.e+09; // conversion from [s] to [ns] |
d61f73d9 | 462 | |
016e1f91 | 463 | // selection case for sdigitizing only hits in a given plate of a given sector |
464 | if(thereIsNotASelection || (vol[0]==fSelectedSector && vol[1]==fSelectedPlate)){ | |
55991c8b | 465 | |
466 | Bool_t dummy=((tracknum==previousTrack) && (vol[0]==previousSector) && (vol[1]==previousPlate) && (vol[2]==previousStrip)); | |
467 | ||
468 | Bool_t isCloneOfThePrevious=dummy && ((vol[3]==previousPadX) && (vol[4]==previousPadZ)); | |
469 | ||
b213b8bd | 470 | Bool_t isNeighOfThePrevious=dummy && ((((vol[3]==previousPadX-1) || (vol[3]==previousPadX+1)) && (vol[4]==previousPadZ)) || ((vol[3]==previousPadX) && ((vol[4]==previousPadZ+1) || (vol[4]==previousPadZ-1)))); |
55991c8b | 471 | |
b213b8bd | 472 | if(!isCloneOfThePrevious && !isNeighOfThePrevious){ |
55991c8b | 473 | // update "previous" values |
474 | // in fact, we are yet in the future, so the present is past | |
475 | previousTrack=tracknum; | |
476 | previousSector=vol[0]; | |
477 | previousPlate=vol[1]; | |
478 | previousStrip=vol[2]; | |
479 | previousPadX=vol[3]; | |
480 | previousPadZ=vol[4]; | |
481 | ||
482 | nselectedHits++; | |
483 | nselectedHitsinEv++; | |
d61f73d9 | 484 | if (particle->GetFirstMother() < 0) nHitsFromPrim++; // counts hits due to primary particles |
55991c8b | 485 | |
7e6dce66 | 486 | Float_t xStrip=AliTOFGeometry::XPad()*(vol[3]+0.5-0.5*AliTOFGeometry::NpadX())+dxPad; |
487 | Float_t zStrip=AliTOFGeometry::ZPad()*(vol[4]+0.5-0.5*AliTOFGeometry::NpadZ())+dzPad; | |
016e1f91 | 488 | |
55991c8b | 489 | Int_t nActivatedPads = 0, nFiredPads = 0; |
490 | Bool_t isFired[4] = {kFALSE, kFALSE, kFALSE, kFALSE}; | |
491 | Float_t tofAfterSimul[4] = {0., 0., 0., 0.}; | |
492 | Float_t qInduced[4] = {0.,0.,0.,0.}; | |
493 | Int_t nPlace[4] = {0, 0, 0, 0}; | |
494 | Float_t averageTime = 0.; | |
495 | SimulateDetectorResponse(zStrip,xStrip,geantTime,nActivatedPads,nFiredPads,isFired,nPlace,qInduced,tofAfterSimul,averageTime); | |
496 | if(nFiredPads) { | |
497 | for(Int_t indexOfPad=0; indexOfPad<nActivatedPads; indexOfPad++) { | |
498 | if(isFired[indexOfPad]){ // the pad has fired | |
499 | Float_t timediff=geantTime-tofAfterSimul[indexOfPad]; | |
500 | ||
501 | if(timediff>=0.2) nlargeTofDiff++; | |
502 | ||
845fe446 | 503 | digit[0] = (Int_t) ((tofAfterSimul[indexOfPad]*1.e+03)/AliTOFGeometry::TdcBinWidth()); // TDC bin number (each bin -> 24.4 ps) |
55991c8b | 504 | |
505 | Float_t landauFactor = gRandom->Landau(fAdcMean, fAdcRms); | |
506 | digit[1] = (Int_t) (qInduced[indexOfPad] * landauFactor); // ADC bins (each bin -> 0.25 (or 0.03) pC) | |
d61f73d9 | 507 | |
55991c8b | 508 | // recalculate the volume only for neighbouring pads |
ea7a588a | 509 | if(indexOfPad){ |
0f4a7374 | 510 | (nPlace[indexOfPad]<=AliTOFGeometry::NpadX()) ? vol[4] = 0 : vol[4] = 1; |
511 | (nPlace[indexOfPad]<=AliTOFGeometry::NpadX()) ? vol[3] = nPlace[indexOfPad] - 1 : vol[3] = nPlace[indexOfPad] - AliTOFGeometry::NpadX() - 1; | |
ea7a588a | 512 | } |
d61f73d9 | 513 | // check if two sdigit are on the same pad; |
514 | // in that case we sum the two or more sdigits | |
55991c8b | 515 | if (hitMap->TestHit(vol) != kEmpty) { |
516 | AliTOFSDigit *sdig = static_cast<AliTOFSDigit*>(hitMap->GetHit(vol)); | |
517 | Int_t tdctime = (Int_t) digit[0]; | |
518 | Int_t adccharge = (Int_t) digit[1]; | |
43f77f2d | 519 | sdig->Update(AliTOFGeometry::TdcBinWidth(),tdctime,adccharge,tracknum); |
55991c8b | 520 | ntotalupdatesinEv++; |
521 | ntotalupdates++; | |
522 | } else { | |
523 | ||
7e6dce66 | 524 | tof->AddSDigit(tracknum, vol, digit); |
55991c8b | 525 | |
526 | if(indexOfPad){ | |
527 | nnoisesdigits++; | |
528 | nnoisesdigitsinEv++; | |
529 | } else { | |
530 | nsignalsdigits++; | |
531 | nsignalsdigitsinEv++; | |
532 | } | |
533 | ntotalsdigitsinEv++; | |
534 | ntotalsdigits++; | |
535 | hitMap->SetHit(vol); | |
536 | } // if (hitMap->TestHit(vol) != kEmpty) | |
537 | } // if(isFired[indexOfPad]) | |
538 | } // end loop on nActivatedPads | |
539 | } // if(nFiredPads) i.e. if some pads has fired | |
540 | } // close if(!isCloneOfThePrevious) | |
541 | } // close the selection on sector and plate | |
5919c40c | 542 | } // end loop on hits for the current track |
543 | } // end loop on ntracks | |
55991c8b | 544 | |
5919c40c | 545 | delete hitMap; |
d61f73d9 | 546 | |
547 | fTOFLoader->TreeS()->Reset(); | |
548 | fTOFLoader->TreeS()->Fill(); | |
549 | fTOFLoader->WriteSDigits("OVERWRITE"); | |
550 | ||
7e6dce66 | 551 | if (tof->SDigits()) tof->ResetSDigits(); |
d61f73d9 | 552 | |
553 | if (strstr(verboseOption,"all")) { | |
d076c8d5 | 554 | AliInfo("----------------------------------------"); |
555 | AliInfo(" <AliTOFSDigitizer> "); | |
556 | AliInfo(Form("After sdigitizing %d hits in event %d", nselectedHitsinEv, iEvent)); | |
ea7a588a | 557 | //" (" << nHitsFromPrim << " from primaries and " << nHitsFromSec << " from secondaries) TOF hits, " |
d076c8d5 | 558 | AliInfo(Form("%d digits have been created", ntotalsdigitsinEv)); |
559 | AliInfo(Form("(%d due to signals and %d due to border effect)", nsignalsdigitsinEv, nnoisesdigitsinEv)); | |
560 | AliInfo(Form("%d total updates of the hit map have been performed in current event", ntotalupdatesinEv)); | |
561 | AliInfo("----------------------------------------"); | |
ea7a588a | 562 | } |
563 | ||
564 | } //event loop on events | |
565 | ||
d61f73d9 | 566 | fTOFLoader->UnloadSDigits(); |
567 | fTOFLoader->UnloadHits(); | |
568 | fRunLoader->UnloadKinematics(); | |
e615b5b5 | 569 | //fRunLoader->UnloadgAlice(); |
d61f73d9 | 570 | |
ea7a588a | 571 | // free used memory |
572 | if (ftail){ | |
573 | delete ftail; | |
574 | ftail = 0; | |
575 | } | |
576 | ||
577 | nHitsFromSec=nselectedHits-nHitsFromPrim; | |
578 | if(strstr(verboseOption,"all")){ | |
d076c8d5 | 579 | AliInfo("----------------------------------------"); |
580 | AliInfo("----------------------------------------"); | |
581 | AliInfo("-----------SDigitization Summary--------"); | |
582 | AliInfo(" <AliTOFSDigitizer> "); | |
583 | AliInfo(Form("After sdigitizing %d hits", nselectedHits)); | |
584 | AliInfo(Form("in %d events", fEvent2-fEvent1)); | |
ea7a588a | 585 | //" (" << nHitsFromPrim << " from primaries and " << nHitsFromSec << " from secondaries) TOF hits, " |
d076c8d5 | 586 | AliInfo(Form("%d sdigits have been created", ntotalsdigits)); |
587 | AliInfo(Form("(%d due to signals and " | |
588 | "%d due to border effect)", nsignalsdigits, nnoisesdigits)); | |
589 | AliInfo(Form("%d total updates of the hit map have been performed", ntotalupdates)); | |
590 | AliInfo(Form("in %d cases the time of flight difference is greater than 200 ps", nlargeTofDiff)); | |
ea7a588a | 591 | } |
592 | ||
517b7f8f | 593 | |
ea7a588a | 594 | if(strstr(verboseOption,"tim") || strstr(verboseOption,"all")){ |
595 | gBenchmark->Stop("TOFSDigitizer"); | |
d076c8d5 | 596 | AliInfo("AliTOFSDigitizer:"); |
597 | AliInfo(Form(" took %f seconds in order to make sdigits " | |
598 | "%f seconds per event", gBenchmark->GetCpuTime("TOFSDigitizer"), gBenchmark->GetCpuTime("TOFSDigitizer")/(fEvent2-fEvent1))); | |
599 | AliInfo(" +++++++++++++++++++++++++++++++++++++++++++++++++++ "); | |
ea7a588a | 600 | } |
517b7f8f | 601 | |
602 | } | |
ea7a588a | 603 | |
517b7f8f | 604 | //__________________________________________________________________ |
5c016a7b | 605 | void AliTOFSDigitizer::Print(Option_t* /*opt*/)const |
517b7f8f | 606 | { |
0e46b9ae | 607 | AliInfo(Form(" ------------------- %s ------------- ", GetName())); |
517b7f8f | 608 | } |
f73548c4 | 609 | |
55991c8b | 610 | //__________________________________________________________________ |
611 | void AliTOFSDigitizer::SelectSectorAndPlate(Int_t sector, Int_t plate) | |
612 | { | |
340693af | 613 | //Select sector and plate |
0f4a7374 | 614 | Bool_t isaWrongSelection=(sector < 0) || (sector >= AliTOFGeometry::NSectors()) || (plate < 0) || (plate >= AliTOFGeometry::NPlates()); |
55991c8b | 615 | if(isaWrongSelection){ |
d076c8d5 | 616 | AliError("You have selected an invalid value for sector or plate "); |
617 | AliError(Form("The correct range for sector is [0,%d]", AliTOFGeometry::NSectors()-1)); | |
618 | AliError(Form("The correct range for plate is [0,%d]", AliTOFGeometry::NPlates()-1)); | |
619 | AliError("By default we continue sdigitizing all hits in all plates of all sectors"); | |
55991c8b | 620 | } else { |
621 | fSelectedSector=sector; | |
622 | fSelectedPlate =plate; | |
d076c8d5 | 623 | AliInfo(Form("SDigitizing only hits in plate %d of the sector %d", fSelectedPlate, fSelectedSector)); |
55991c8b | 624 | } |
625 | } | |
626 | ||
f73548c4 | 627 | //__________________________________________________________________ |
628 | void AliTOFSDigitizer::SimulateDetectorResponse(Float_t z0, Float_t x0, Float_t geantTime, Int_t& nActivatedPads, Int_t& nFiredPads, Bool_t* isFired, Int_t* nPlace, Float_t* qInduced, Float_t* tofTime, Float_t& averageTime) | |
629 | { | |
630 | // Description: | |
631 | // Input: z0, x0 - hit position in the strip system (0,0 - center of the strip), cm | |
632 | // geantTime - time generated by Geant, ns | |
633 | // Output: nActivatedPads - the number of pads activated by the hit (1 || 2 || 4) | |
634 | // nFiredPads - the number of pads fired (really activated) by the hit (nFiredPads <= nActivatedPads) | |
635 | // qInduced[iPad]- charge induced on pad, arb. units | |
636 | // this array is initialized at zero by the caller | |
637 | // tofAfterSimul[iPad] - time calculated with edge effect algorithm, ns | |
638 | // this array is initialized at zero by the caller | |
639 | // averageTime - time given by pad hited by the Geant track taking into account the times (weighted) given by the pads fired for edge effect also. | |
640 | // The weight is given by the qInduced[iPad]/qCenterPad | |
641 | // this variable is initialized at zero by the caller | |
642 | // nPlace[iPad] - the number of the pad place, iPad = 0, 1, 2, 3 | |
643 | // this variable is initialized at zero by the caller | |
644 | // | |
645 | // Description of used variables: | |
646 | // eff[iPad] - efficiency of the pad | |
647 | // res[iPad] - resolution of the pad, ns | |
648 | // timeWalk[iPad] - time walk of the pad, ns | |
649 | // timeDelay[iPad] - time delay for neighbouring pad to hited pad, ns | |
650 | // PadId[iPad] - Pad Identifier | |
651 | // E | F --> PadId[iPad] = 5 | 6 | |
652 | // A | B --> PadId[iPad] = 1 | 2 | |
653 | // C | D --> PadId[iPad] = 3 | 4 | |
654 | // nTail[iPad] - the tail number, = 1 for tailA, = 2 for tailB | |
655 | // qCenterPad - charge extimated for each pad, arb. units | |
656 | // weightsSum - sum of weights extimated for each pad fired, arb. units | |
657 | ||
0f4a7374 | 658 | const Float_t kSigmaForTail[2] = {AliTOFGeometry::SigmaForTail1(),AliTOFGeometry::SigmaForTail2()}; //for tail |
f73548c4 | 659 | Int_t iz = 0, ix = 0; |
660 | Float_t dX = 0., dZ = 0., x = 0., z = 0.; | |
661 | Float_t h = fHparameter, h2 = fH2parameter, k = fKparameter, k2 = fK2parameter; | |
662 | Float_t effX = 0., effZ = 0., resX = 0., resZ = 0., timeWalkX = 0., timeWalkZ = 0.; | |
663 | Float_t logOfqInd = 0.; | |
664 | Float_t weightsSum = 0.; | |
665 | Int_t nTail[4] = {0,0,0,0}; | |
666 | Int_t padId[4] = {0,0,0,0}; | |
667 | Float_t eff[4] = {0.,0.,0.,0.}; | |
668 | Float_t res[4] = {0.,0.,0.,0.}; | |
669 | // Float_t qCenterPad = fMinimumCharge * fMinimumCharge; | |
670 | Float_t qCenterPad = 1.; | |
671 | Float_t timeWalk[4] = {0.,0.,0.,0.}; | |
672 | Float_t timeDelay[4] = {0.,0.,0.,0.}; | |
673 | ||
674 | nActivatedPads = 0; | |
675 | nFiredPads = 0; | |
676 | ||
677 | (z0 <= 0) ? iz = 0 : iz = 1; | |
0f4a7374 | 678 | dZ = z0 + (0.5 * AliTOFGeometry::NpadZ() - iz - 0.5) * AliTOFGeometry::ZPad(); // hit position in the pad frame, (0,0) - center of the pad |
679 | z = 0.5 * AliTOFGeometry::ZPad() - TMath::Abs(dZ); // variable for eff., res. and timeWalk. functions | |
680 | iz++; // z row: 1, ..., AliTOFGeometry::NpadZ = 2 | |
681 | ix = (Int_t)((x0 + 0.5 * AliTOFGeometry::NpadX() * AliTOFGeometry::XPad()) / AliTOFGeometry::XPad()); | |
682 | dX = x0 + (0.5 * AliTOFGeometry::NpadX() - ix - 0.5) * AliTOFGeometry::XPad(); // hit position in the pad frame, (0,0) - center of the pad | |
683 | x = 0.5 * AliTOFGeometry::XPad() - TMath::Abs(dX); // variable for eff., res. and timeWalk. functions; | |
684 | ix++; // x row: 1, ..., AliTOFGeometry::NpadX = 48 | |
f73548c4 | 685 | |
686 | ////// Pad A: | |
687 | nActivatedPads++; | |
0f4a7374 | 688 | nPlace[nActivatedPads-1] = (iz - 1) * AliTOFGeometry::NpadX() + ix; |
f73548c4 | 689 | qInduced[nActivatedPads-1] = qCenterPad; |
690 | padId[nActivatedPads-1] = 1; | |
691 | ||
692 | if (fEdgeEffect == 0) { | |
693 | eff[nActivatedPads-1] = fEffCenter; | |
694 | if (gRandom->Rndm() < eff[nActivatedPads-1]) { | |
695 | nFiredPads = 1; | |
7e6dce66 | 696 | res[nActivatedPads-1] = 0.001 * TMath::Sqrt(fAddTRes*fAddTRes + fResCenter * fResCenter); // ns |
f73548c4 | 697 | isFired[nActivatedPads-1] = kTRUE; |
698 | tofTime[nActivatedPads-1] = gRandom->Gaus(geantTime + fTimeWalkCenter, res[0]); | |
699 | averageTime = tofTime[nActivatedPads-1]; | |
700 | } | |
701 | } else { | |
702 | ||
703 | if(z < h) { | |
704 | if(z < h2) { | |
705 | effZ = fEffBoundary + (fEff2Boundary - fEffBoundary) * z / h2; | |
706 | } else { | |
707 | effZ = fEff2Boundary + (fEffCenter - fEff2Boundary) * (z - h2) / (h - h2); | |
708 | } | |
709 | resZ = fResBoundary + (fResCenter - fResBoundary) * z / h; | |
710 | timeWalkZ = fTimeWalkBoundary + (fTimeWalkCenter - fTimeWalkBoundary) * z / h; | |
711 | nTail[nActivatedPads-1] = 1; | |
712 | } else { | |
713 | effZ = fEffCenter; | |
714 | resZ = fResCenter; | |
715 | timeWalkZ = fTimeWalkCenter; | |
716 | } | |
717 | ||
718 | if(x < h) { | |
719 | if(x < h2) { | |
720 | effX = fEffBoundary + (fEff2Boundary - fEffBoundary) * x / h2; | |
721 | } else { | |
722 | effX = fEff2Boundary + (fEffCenter - fEff2Boundary) * (x - h2) / (h - h2); | |
723 | } | |
724 | resX = fResBoundary + (fResCenter - fResBoundary) * x / h; | |
725 | timeWalkX = fTimeWalkBoundary + (fTimeWalkCenter - fTimeWalkBoundary) * x / h; | |
726 | nTail[nActivatedPads-1] = 1; | |
727 | } else { | |
728 | effX = fEffCenter; | |
729 | resX = fResCenter; | |
730 | timeWalkX = fTimeWalkCenter; | |
731 | } | |
732 | ||
733 | (effZ<effX) ? eff[nActivatedPads-1] = effZ : eff[nActivatedPads-1] = effX; | |
7e6dce66 | 734 | (resZ<resX) ? res[nActivatedPads-1] = 0.001 * TMath::Sqrt(fAddTRes*fAddTRes + resX * resX) : res[nActivatedPads-1] = 0.001 * TMath::Sqrt(fAddTRes*fAddTRes + resZ * resZ); // ns |
f73548c4 | 735 | (timeWalkZ<timeWalkX) ? timeWalk[nActivatedPads-1] = 0.001 * timeWalkZ : timeWalk[nActivatedPads-1] = 0.001 * timeWalkX; // ns |
736 | ||
737 | ||
738 | ////// Pad B: | |
739 | if(z < k2) { | |
740 | effZ = fEffBoundary - (fEffBoundary - fEff3Boundary) * (z / k2); | |
741 | } else { | |
742 | effZ = fEff3Boundary * (k - z) / (k - k2); | |
743 | } | |
744 | resZ = fResBoundary + fResSlope * z / k; | |
745 | timeWalkZ = fTimeWalkBoundary + fTimeWalkSlope * z / k; | |
746 | ||
747 | if(z < k && z > 0) { | |
748 | if( (iz == 1 && dZ > 0) || (iz == 2 && dZ < 0) ) { | |
749 | nActivatedPads++; | |
0f4a7374 | 750 | nPlace[nActivatedPads-1] = nPlace[0] + (3 - 2 * iz) * AliTOFGeometry::NpadX(); |
f73548c4 | 751 | eff[nActivatedPads-1] = effZ; |
7e6dce66 | 752 | res[nActivatedPads-1] = 0.001 * TMath::Sqrt(fAddTRes*fAddTRes + resZ * resZ); // ns |
f73548c4 | 753 | timeWalk[nActivatedPads-1] = 0.001 * timeWalkZ; // ns |
754 | nTail[nActivatedPads-1] = 2; | |
755 | if (fTimeDelayFlag) { | |
756 | // qInduced[0] = fMinimumCharge * TMath::Exp(fPulseHeightSlope * z / 2.); | |
757 | // qInduced[nActivatedPads-1] = fMinimumCharge * TMath::Exp(-fPulseHeightSlope * z / 2.); | |
758 | qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * z); | |
759 | logOfqInd = gRandom->Gaus(-fPulseHeightSlope * z, fLogChargeSmearing); | |
760 | timeDelay[nActivatedPads-1] = gRandom->Gaus(-fTimeDelaySlope * logOfqInd, fTimeSmearing); | |
761 | } else { | |
762 | timeDelay[nActivatedPads-1] = 0.; | |
763 | } | |
764 | padId[nActivatedPads-1] = 2; | |
765 | } | |
766 | } | |
767 | ||
768 | ||
769 | ////// Pad C, D, E, F: | |
770 | if(x < k2) { | |
771 | effX = fEffBoundary - (fEffBoundary - fEff3Boundary) * (x / k2); | |
772 | } else { | |
773 | effX = fEff3Boundary * (k - x) / (k - k2); | |
774 | } | |
775 | resX = fResBoundary + fResSlope*x/k; | |
776 | timeWalkX = fTimeWalkBoundary + fTimeWalkSlope*x/k; | |
777 | ||
778 | if(x < k && x > 0) { | |
779 | // C: | |
780 | if(ix > 1 && dX < 0) { | |
781 | nActivatedPads++; | |
782 | nPlace[nActivatedPads-1] = nPlace[0] - 1; | |
783 | eff[nActivatedPads-1] = effX; | |
7e6dce66 | 784 | res[nActivatedPads-1] = 0.001 * TMath::Sqrt(fAddTRes*fAddTRes + resX * resX); // ns |
f73548c4 | 785 | timeWalk[nActivatedPads-1] = 0.001 * timeWalkX; // ns |
786 | nTail[nActivatedPads-1] = 2; | |
787 | if (fTimeDelayFlag) { | |
788 | // qInduced[0] = fMinimumCharge * TMath::Exp(fPulseHeightSlope * x / 2.); | |
789 | // qInduced[nActivatedPads-1] = fMinimumCharge * TMath::Exp(-fPulseHeightSlope * x / 2.); | |
790 | qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * x); | |
791 | logOfqInd = gRandom->Gaus(-fPulseHeightSlope * x, fLogChargeSmearing); | |
792 | timeDelay[nActivatedPads-1] = gRandom->Gaus(-fTimeDelaySlope * logOfqInd, fTimeSmearing); | |
793 | } else { | |
794 | timeDelay[nActivatedPads-1] = 0.; | |
795 | } | |
796 | padId[nActivatedPads-1] = 3; | |
797 | ||
798 | // D: | |
799 | if(z < k && z > 0) { | |
800 | if( (iz == 1 && dZ > 0) || (iz == 2 && dZ < 0) ) { | |
801 | nActivatedPads++; | |
0f4a7374 | 802 | nPlace[nActivatedPads-1] = nPlace[0] + (3 - 2 * iz) * AliTOFGeometry::NpadX() - 1; |
f73548c4 | 803 | eff[nActivatedPads-1] = effX * effZ; |
7e6dce66 | 804 | (resZ<resX) ? res[nActivatedPads-1] = 0.001 * TMath::Sqrt(fAddTRes*fAddTRes + resX * resX) : res[nActivatedPads-1] = 0.001 * TMath::Sqrt(fAddTRes*fAddTRes + resZ * resZ); // ns |
f73548c4 | 805 | (timeWalkZ<timeWalkX) ? timeWalk[nActivatedPads-1] = 0.001 * timeWalkZ : timeWalk[nActivatedPads-1] = 0.001 * timeWalkX; // ns |
806 | ||
807 | nTail[nActivatedPads-1] = 2; | |
808 | if (fTimeDelayFlag) { | |
809 | if (TMath::Abs(x) < TMath::Abs(z)) { | |
810 | // qInduced[0] = fMinimumCharge * TMath::Exp(fPulseHeightSlope * z / 2.); | |
811 | // qInduced[nActivatedPads-1] = fMinimumCharge * TMath::Exp(-fPulseHeightSlope * z / 2.); | |
812 | qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * z); | |
813 | logOfqInd = gRandom->Gaus(-fPulseHeightSlope * z, fLogChargeSmearing); | |
814 | } else { | |
815 | // qInduced[0] = fMinimumCharge * TMath::Exp(fPulseHeightSlope * x / 2.); | |
816 | // qInduced[nActivatedPads-1] = fMinimumCharge * TMath::Exp(-fPulseHeightSlope * x / 2.); | |
817 | qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * x); | |
818 | logOfqInd = gRandom->Gaus(-fPulseHeightSlope * x, fLogChargeSmearing); | |
819 | } | |
820 | timeDelay[nActivatedPads-1] = gRandom->Gaus(-fTimeDelaySlope * logOfqInd, fTimeSmearing); | |
821 | } else { | |
822 | timeDelay[nActivatedPads-1] = 0.; | |
823 | } | |
824 | padId[nActivatedPads-1] = 4; | |
825 | } | |
826 | } // end D | |
827 | } // end C | |
828 | ||
829 | // E: | |
0f4a7374 | 830 | if(ix < AliTOFGeometry::NpadX() && dX > 0) { |
f73548c4 | 831 | nActivatedPads++; |
832 | nPlace[nActivatedPads-1] = nPlace[0] + 1; | |
833 | eff[nActivatedPads-1] = effX; | |
7e6dce66 | 834 | res[nActivatedPads-1] = 0.001 * (TMath::Sqrt(fAddTRes*fAddTRes + resX * resX)); // ns |
f73548c4 | 835 | timeWalk[nActivatedPads-1] = 0.001 * timeWalkX; // ns |
836 | nTail[nActivatedPads-1] = 2; | |
837 | if (fTimeDelayFlag) { | |
838 | // qInduced[0] = fMinimumCharge * TMath::Exp(fPulseHeightSlope * x / 2.); | |
839 | // qInduced[nActivatedPads-1] = fMinimumCharge * TMath::Exp(-fPulseHeightSlope * x / 2.); | |
840 | qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * x); | |
841 | logOfqInd = gRandom->Gaus(-fPulseHeightSlope * x, fLogChargeSmearing); | |
842 | timeDelay[nActivatedPads-1] = gRandom->Gaus(-fTimeDelaySlope * logOfqInd, fTimeSmearing); | |
843 | } else { | |
844 | timeDelay[nActivatedPads-1] = 0.; | |
845 | } | |
846 | padId[nActivatedPads-1] = 5; | |
847 | ||
848 | ||
849 | // F: | |
850 | if(z < k && z > 0) { | |
851 | if( (iz == 1 && dZ > 0) || (iz == 2 && dZ < 0) ) { | |
852 | nActivatedPads++; | |
0f4a7374 | 853 | nPlace[nActivatedPads - 1] = nPlace[0] + (3 - 2 * iz) * AliTOFGeometry::NpadX() + 1; |
f73548c4 | 854 | eff[nActivatedPads - 1] = effX * effZ; |
7e6dce66 | 855 | (resZ<resX) ? res[nActivatedPads-1] = 0.001 * TMath::Sqrt(fAddTRes*fAddTRes + resX * resX) : res[nActivatedPads-1] = 0.001 * TMath::Sqrt(fAddTRes*fAddTRes + resZ * resZ); // ns |
f73548c4 | 856 | (timeWalkZ<timeWalkX) ? timeWalk[nActivatedPads-1] = 0.001 * timeWalkZ : timeWalk[nActivatedPads-1] = 0.001*timeWalkX; // ns |
857 | nTail[nActivatedPads-1] = 2; | |
858 | if (fTimeDelayFlag) { | |
859 | if (TMath::Abs(x) < TMath::Abs(z)) { | |
860 | // qInduced[0] = fMinimumCharge * TMath::Exp(fPulseHeightSlope * z / 2.); | |
861 | // qInduced[nActivatedPads-1] = fMinimumCharge * TMath::Exp(-fPulseHeightSlope * z / 2.); | |
862 | qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * z); | |
863 | logOfqInd = gRandom->Gaus(-fPulseHeightSlope * z, fLogChargeSmearing); | |
864 | } else { | |
865 | // qInduced[0] = fMinimumCharge * TMath::Exp(fPulseHeightSlope * x / 2.); | |
866 | // qInduced[nActivatedPads-1] = fMinimumCharge * TMath::Exp(-fPulseHeightSlope * x / 2.); | |
867 | qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * x); | |
868 | logOfqInd = gRandom->Gaus(-fPulseHeightSlope * x, fLogChargeSmearing); | |
869 | } | |
870 | timeDelay[nActivatedPads-1] = gRandom->Gaus(-fTimeDelaySlope * logOfqInd, fTimeSmearing); | |
871 | } else { | |
872 | timeDelay[nActivatedPads-1] = 0.; | |
873 | } | |
874 | padId[nActivatedPads-1] = 6; | |
875 | } | |
876 | } // end F | |
877 | } // end E | |
878 | } // end if(x < k) | |
879 | ||
880 | ||
881 | for (Int_t iPad = 0; iPad < nActivatedPads; iPad++) { | |
882 | if (res[iPad] < fTimeResolution) res[iPad] = fTimeResolution; | |
883 | if(gRandom->Rndm() < eff[iPad]) { | |
884 | isFired[iPad] = kTRUE; | |
885 | nFiredPads++; | |
886 | if(fEdgeTails) { | |
887 | if(nTail[iPad] == 0) { | |
888 | tofTime[iPad] = gRandom->Gaus(geantTime + timeWalk[iPad] + timeDelay[iPad], res[iPad]); | |
889 | } else { | |
890 | ftail->SetParameters(res[iPad], 2. * res[iPad], kSigmaForTail[nTail[iPad]-1]); | |
891 | Double_t timeAB = ftail->GetRandom(); | |
892 | tofTime[iPad] = geantTime + timeWalk[iPad] + timeDelay[iPad] + timeAB; | |
893 | } | |
894 | } else { | |
895 | tofTime[iPad] = gRandom->Gaus(geantTime + timeWalk[iPad] + timeDelay[iPad], res[iPad]); | |
896 | } | |
897 | if (fAverageTimeFlag) { | |
898 | averageTime += tofTime[iPad] * qInduced[iPad]; | |
899 | weightsSum += qInduced[iPad]; | |
900 | } else { | |
901 | averageTime += tofTime[iPad]; | |
902 | weightsSum += 1.; | |
903 | } | |
904 | } | |
905 | } | |
906 | if (weightsSum!=0) averageTime /= weightsSum; | |
907 | } // end else (fEdgeEffect != 0) | |
908 | } | |
909 | ||
910 | //__________________________________________________________________ | |
911 | void AliTOFSDigitizer::PrintParameters()const | |
912 | { | |
913 | // | |
914 | // Print parameters used for sdigitization | |
915 | // | |
0e46b9ae | 916 | AliInfo(Form(" ------------------- %s -------------", GetName())); |
917 | AliInfo(" Parameters used for TOF SDigitization "); | |
f73548c4 | 918 | // Printing the parameters |
919 | ||
0e46b9ae | 920 | AliInfo(Form(" Number of events: %i ", (fEvent2-fEvent1))); |
921 | AliInfo(Form(" from event %i to event %i", fEvent1, (fEvent2-1))); | |
922 | AliInfo(Form(" Time Resolution (ns) %d Pad Efficiency: %d ", fTimeResolution, fpadefficiency)); | |
923 | AliInfo(Form(" Edge Effect option: %d", fEdgeEffect)); | |
924 | ||
925 | AliInfo(" Boundary Effect Simulation Parameters "); | |
926 | AliInfo(Form(" Hparameter: %d H2parameter: %d Kparameter: %d K2parameter: %d", fHparameter, fH2parameter, fKparameter, fK2parameter)); | |
927 | AliInfo(Form(" Efficiency in the central region of the pad: %d", fEffCenter)); | |
928 | AliInfo(Form(" Efficiency at the boundary region of the pad: %d", fEffBoundary)); | |
929 | AliInfo(Form(" Efficiency value at H2parameter %d", fEff2Boundary)); | |
930 | AliInfo(Form(" Efficiency value at K2parameter %d", fEff3Boundary)); | |
931 | AliInfo(Form(" Resolution (ps) in the central region of the pad: %d", fResCenter)); | |
932 | AliInfo(Form(" Resolution (ps) at the boundary of the pad : %d", fResBoundary)); | |
933 | AliInfo(Form(" Slope (ps/K) for neighbouring pad : %d", fResSlope)); | |
934 | AliInfo(Form(" Time walk (ps) in the central region of the pad : %d", fTimeWalkCenter)); | |
935 | AliInfo(Form(" Time walk (ps) at the boundary of the pad : %d", fTimeWalkBoundary)); | |
936 | AliInfo(Form(" Slope (ps/K) for neighbouring pad : %d", fTimeWalkSlope)); | |
937 | AliInfo(" Pulse Heigth Simulation Parameters "); | |
938 | AliInfo(Form(" Flag for delay due to the PulseHeightEffect : %d", fTimeDelayFlag)); | |
939 | AliInfo(Form(" Pulse Height Slope : %d", fPulseHeightSlope)); | |
940 | AliInfo(Form(" Time Delay Slope : %d", fTimeDelaySlope)); | |
941 | AliInfo(Form(" Minimum charge amount which could be induced : %d", fMinimumCharge)); | |
942 | AliInfo(Form(" Smearing in charge in (q1/q2) vs x plot : %d", fChargeSmearing)); | |
943 | AliInfo(Form(" Smearing in log of charge ratio : %d", fLogChargeSmearing)); | |
944 | AliInfo(Form(" Smearing in time in time vs log(q1/q2) plot : %d", fTimeSmearing)); | |
945 | AliInfo(Form(" Flag for average time : %d", fAverageTimeFlag)); | |
946 | AliInfo(Form(" Edge tails option : %d", fEdgeTails)); | |
f73548c4 | 947 | |
948 | } |