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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 | // // | |
f21fc003 | 20 | // This is a class that constructs SDigits out of Hits // |
0e46b9ae | 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 | |
3f296ed3 | 44 | #include "AliTOFcalib.h" |
45 | #include "AliTOFRecoParam.h" | |
0f4a7374 | 46 | #include "AliTOFGeometry.h" |
5919c40c | 47 | #include "AliTOFHitMap.h" |
016e1f91 | 48 | #include "AliTOFhitT0.h" |
0e46b9ae | 49 | #include "AliTOFhit.h" |
50 | #include "AliTOFSDigitizer.h" | |
51 | #include "AliTOFSDigit.h" | |
52 | #include "AliTOF.h" | |
53 | ||
5480a4f2 | 54 | //extern TROOT *gROOT; |
517b7f8f | 55 | |
56 | ClassImp(AliTOFSDigitizer) | |
57 | ||
58 | //____________________________________________________________________________ | |
655e379f | 59 | AliTOFSDigitizer::AliTOFSDigitizer(): |
f21fc003 | 60 | TNamed("TOFSDigitizer",""), |
655e379f | 61 | fEvent1(-1), |
62 | fEvent2(-1), | |
63 | ftail(0x0), | |
64 | fHeadersFile(""), | |
65 | fRunLoader(0x0), | |
66 | fTOFLoader(0x0), | |
655e379f | 67 | fSelectedSector(-1), |
68 | fSelectedPlate(-1), | |
3f296ed3 | 69 | fTimeResolution(100.), |
655e379f | 70 | fpadefficiency(0), |
71 | fEdgeEffect(-1), | |
72 | fEdgeTails(-1), | |
73 | fHparameter(0), | |
74 | fH2parameter(0), | |
75 | fKparameter(0), | |
76 | fK2parameter(0), | |
77 | fEffCenter(0), | |
78 | fEffBoundary(0), | |
79 | fEff2Boundary(0), | |
80 | fEff3Boundary(0), | |
81 | fAddTRes(0), | |
82 | fResCenter(0), | |
83 | fResBoundary(0), | |
84 | fResSlope(0), | |
85 | fTimeWalkCenter(0), | |
86 | fTimeWalkBoundary(0), | |
87 | fTimeWalkSlope(0), | |
88 | fTimeDelayFlag(-1), | |
89 | fPulseHeightSlope(0), | |
90 | fTimeDelaySlope(0), | |
91 | fMinimumCharge(0), | |
92 | fChargeSmearing(0), | |
93 | fLogChargeSmearing(0), | |
94 | fTimeSmearing(0), | |
95 | fAverageTimeFlag(-1), | |
96 | fAdcBin(0), | |
97 | fAdcMean(0), | |
3f296ed3 | 98 | fAdcRms(0), |
99 | fCalib(new AliTOFcalib()) | |
517b7f8f | 100 | { |
101 | // ctor | |
3f296ed3 | 102 | |
517b7f8f | 103 | } |
d61f73d9 | 104 | |
7aeeaf38 | 105 | //------------------------------------------------------------------------ |
655e379f | 106 | AliTOFSDigitizer::AliTOFSDigitizer(const AliTOFSDigitizer &source): |
f21fc003 | 107 | TNamed(source), |
655e379f | 108 | fEvent1(-1), |
109 | fEvent2(-1), | |
110 | ftail(0x0), | |
111 | fHeadersFile(""), | |
112 | fRunLoader(0x0), | |
113 | fTOFLoader(0x0), | |
655e379f | 114 | fSelectedSector(-1), |
115 | fSelectedPlate(-1), | |
3f296ed3 | 116 | fTimeResolution(100.), |
655e379f | 117 | fpadefficiency(0), |
118 | fEdgeEffect(-1), | |
119 | fEdgeTails(-1), | |
120 | fHparameter(0), | |
121 | fH2parameter(0), | |
122 | fKparameter(0), | |
123 | fK2parameter(0), | |
124 | fEffCenter(0), | |
125 | fEffBoundary(0), | |
126 | fEff2Boundary(0), | |
127 | fEff3Boundary(0), | |
128 | fAddTRes(0), | |
129 | fResCenter(0), | |
130 | fResBoundary(0), | |
131 | fResSlope(0), | |
132 | fTimeWalkCenter(0), | |
133 | fTimeWalkBoundary(0), | |
134 | fTimeWalkSlope(0), | |
135 | fTimeDelayFlag(-1), | |
136 | fPulseHeightSlope(0), | |
137 | fTimeDelaySlope(0), | |
138 | fMinimumCharge(0), | |
139 | fChargeSmearing(0), | |
140 | fLogChargeSmearing(0), | |
141 | fTimeSmearing(0), | |
142 | fAverageTimeFlag(-1), | |
143 | fAdcBin(0), | |
144 | fAdcMean(0), | |
3f296ed3 | 145 | fAdcRms(0), |
146 | fCalib(new AliTOFcalib()) | |
7aeeaf38 | 147 | { |
148 | // copy constructor | |
96f01799 | 149 | //this->fTOFGeometry=source.fTOFGeometry; |
7aeeaf38 | 150 | |
151 | } | |
152 | ||
153 | //____________________________________________________________________________ | |
2f584d46 | 154 | AliTOFSDigitizer& AliTOFSDigitizer::operator=(const AliTOFSDigitizer &/*source*/) |
7aeeaf38 | 155 | { |
156 | // ass. op. | |
7aeeaf38 | 157 | return *this; |
158 | ||
159 | } | |
160 | ||
517b7f8f | 161 | //____________________________________________________________________________ |
655e379f | 162 | AliTOFSDigitizer::AliTOFSDigitizer(const char* HeaderFile, Int_t evNumber1, Int_t nEvents): |
f21fc003 | 163 | TNamed("TOFSDigitizer",""), |
655e379f | 164 | fEvent1(-1), |
165 | fEvent2(-1), | |
166 | ftail(0x0), | |
167 | fHeadersFile(HeaderFile), // input filename (with hits) | |
168 | fRunLoader(0x0), | |
169 | fTOFLoader(0x0), | |
655e379f | 170 | fSelectedSector(-1), // by default we sdigitize all sectors |
171 | fSelectedPlate(-1), // by default we sdigitize all plates in all sectors | |
3f296ed3 | 172 | fTimeResolution(100.), |
655e379f | 173 | fpadefficiency(0), |
174 | fEdgeEffect(-1), | |
175 | fEdgeTails(-1), | |
176 | fHparameter(0), | |
177 | fH2parameter(0), | |
178 | fKparameter(0), | |
179 | fK2parameter(0), | |
180 | fEffCenter(0), | |
181 | fEffBoundary(0), | |
182 | fEff2Boundary(0), | |
183 | fEff3Boundary(0), | |
184 | fAddTRes(0), | |
185 | fResCenter(0), | |
186 | fResBoundary(0), | |
187 | fResSlope(0), | |
188 | fTimeWalkCenter(0), | |
189 | fTimeWalkBoundary(0), | |
190 | fTimeWalkSlope(0), | |
191 | fTimeDelayFlag(-1), | |
192 | fPulseHeightSlope(0), | |
193 | fTimeDelaySlope(0), | |
194 | fMinimumCharge(0), | |
195 | fChargeSmearing(0), | |
196 | fLogChargeSmearing(0), | |
197 | fTimeSmearing(0), | |
198 | fAverageTimeFlag(-1), | |
199 | fAdcBin(0), | |
200 | fAdcMean(0), | |
3f296ed3 | 201 | fAdcRms(0), |
202 | fCalib(new AliTOFcalib()) | |
517b7f8f | 203 | { |
340693af | 204 | //ctor, reading from input file |
d61f73d9 | 205 | |
d61f73d9 | 206 | TFile * file = (TFile*) gROOT->GetFile(fHeadersFile.Data()); |
207 | ||
208 | //File was not opened yet open file and get alirun object | |
209 | if (file == 0) { | |
210 | file = TFile::Open(fHeadersFile.Data(),"update") ; | |
211 | gAlice = (AliRun *) file->Get("gAlice") ; | |
ea7a588a | 212 | } |
26e447bd | 213 | |
517b7f8f | 214 | // add Task to //root/Tasks folder |
e191bb57 | 215 | TString evfoldname = AliConfig::GetDefaultEventFolderName(); |
f540341d | 216 | fRunLoader = AliRunLoader::GetRunLoader(evfoldname); |
217 | if (!fRunLoader) | |
218 | fRunLoader = AliRunLoader::Open(HeaderFile);//open session and mount on default event folder | |
88cb7938 | 219 | if (fRunLoader == 0x0) |
d61f73d9 | 220 | { |
d076c8d5 | 221 | AliFatal("Event is not loaded. Exiting"); |
d61f73d9 | 222 | return; |
223 | } | |
26e447bd | 224 | |
96f01799 | 225 | /* |
d3c7bfac | 226 | fRunLoader->CdGAFile(); |
227 | TDirectory *savedir=gDirectory; | |
228 | TFile *in=(TFile*)gFile; | |
229 | ||
96f01799 | 230 | |
231 | // when fTOFGeometry was needed | |
d3c7bfac | 232 | if (!in->IsOpen()) { |
233 | AliWarning("Geometry file is not open default TOF geometry will be used"); | |
234 | fTOFGeometry = new AliTOFGeometry(); | |
235 | } | |
236 | else { | |
237 | in->cd(); | |
238 | fTOFGeometry = (AliTOFGeometry*)in->Get("TOFgeometry"); | |
239 | } | |
96f01799 | 240 | |
d3c7bfac | 241 | savedir->cd(); |
96f01799 | 242 | */ |
f540341d | 243 | if (fRunLoader->TreeE() == 0x0) fRunLoader->LoadHeader(); |
d61f73d9 | 244 | |
245 | if (evNumber1>=0) fEvent1 = evNumber1; | |
246 | else fEvent1=0; | |
247 | ||
248 | if (nEvents==0) fEvent2 = (Int_t)(fRunLoader->GetNumberOfEvents()); | |
249 | else if (nEvents>0) fEvent2 = evNumber1+nEvents; | |
250 | else fEvent2 = 1; | |
251 | ||
252 | if (!(fEvent2>fEvent1)) { | |
d076c8d5 | 253 | AliError(Form("fEvent2 = %d <= fEvent1 = %d", fEvent2, fEvent1)); |
d61f73d9 | 254 | fEvent1 = 0; |
255 | fEvent2 = 1; | |
d076c8d5 | 256 | AliError(Form("Correction: fEvent2 = %d <= fEvent1 = %d", fEvent2, fEvent1)); |
26e447bd | 257 | } |
d61f73d9 | 258 | |
26e447bd | 259 | // init parameters for sdigitization |
260 | InitParameters(); | |
d61f73d9 | 261 | |
262 | fTOFLoader = fRunLoader->GetLoader("TOFLoader"); | |
263 | if (fTOFLoader == 0x0) | |
264 | { | |
d076c8d5 | 265 | AliFatal("Can not find TOF loader in event. Exiting."); |
d61f73d9 | 266 | return; |
267 | } | |
517b7f8f | 268 | } |
269 | ||
270 | //____________________________________________________________________________ | |
d61f73d9 | 271 | AliTOFSDigitizer::~AliTOFSDigitizer() |
517b7f8f | 272 | { |
273 | // dtor | |
3f296ed3 | 274 | if (fCalib) delete fCalib; |
275 | ||
f73548c4 | 276 | } |
277 | ||
278 | //____________________________________________________________________________ | |
279 | void AliTOFSDigitizer::InitParameters() | |
280 | { | |
281 | // set parameters for detector simulation | |
d61f73d9 | 282 | |
3f296ed3 | 283 | fCalib->Init(); |
284 | ||
285 | //fTimeResolution = 80.; //120.; OLD | |
286 | AliTOFRecoParam *recoParams = (AliTOFRecoParam*)fCalib->ReadRecParFromCDB("TOF/Calib",fRunLoader->GetRunNumber()); | |
287 | fTimeResolution = recoParams->GetTimeResolution(); // now from OCDB | |
288 | if (fTimeResolution==0.) { | |
289 | AliWarning("In OCDB found 0ps for TOF time resolution. It is set to 100ps."); | |
290 | fTimeResolution = 100.; | |
291 | } | |
292 | AliDebug(1,Form(" TOF time resolution read from OCDB = %f ps",fTimeResolution)); | |
fa2ad948 | 293 | fpadefficiency = 0.995 ; |
3f296ed3 | 294 | //fEdgeEffect = 2 ; // edge effects according to test beam results |
295 | fEdgeEffect = 1 ; // edge effects according to test beam results | |
296 | // but with fixed time resolution, i.e. fTimeResolution | |
f73548c4 | 297 | fEdgeTails = 0 ; |
298 | fHparameter = 0.4 ; | |
299 | fH2parameter = 0.15; | |
fa2ad948 | 300 | fKparameter = 0.9 ; |
301 | fK2parameter = 0.55; | |
f73548c4 | 302 | fEffCenter = fpadefficiency; |
fa2ad948 | 303 | fEffBoundary = 0.833; |
304 | fEff2Boundary = 0.94; | |
305 | fEff3Boundary = 0.1; | |
8d6daa31 | 306 | fAddTRes = 68. ; // \sqrt{2x20^2 + 15^2 + 2x10^2 + 30^2 + 50^2} (p-p) |
307 | //fAddTRes = 48. ; // \sqrt{2x20^2 + 15^2 + 2x10^2 + 30^2 + 15^2} (Pb-Pb) | |
7e6dce66 | 308 | // 30^2+20^2+40^2+50^2+50^2+50^2 = 10400 ps^2 (very old value) |
309 | fResCenter = 35. ; //50. ; // OLD | |
f73548c4 | 310 | fResBoundary = 70. ; |
7e6dce66 | 311 | fResSlope = 37. ; //40. ; // OLD |
f73548c4 | 312 | fTimeWalkCenter = 0. ; |
313 | fTimeWalkBoundary=0. ; | |
314 | fTimeWalkSlope = 0. ; | |
2608880a | 315 | fTimeDelayFlag = 0 ; |
f73548c4 | 316 | fPulseHeightSlope=2.0 ; |
317 | fTimeDelaySlope =0.060; | |
318 | // was fMinimumCharge = TMath::Exp(fPulseHeightSlope*fKparameter/2.); | |
319 | fMinimumCharge = TMath::Exp(-fPulseHeightSlope*fHparameter); | |
320 | fChargeSmearing=0.0 ; | |
321 | fLogChargeSmearing=0.13; | |
322 | fTimeSmearing =0.022; | |
323 | fAverageTimeFlag=0 ; | |
43f77f2d | 324 | |
d61f73d9 | 325 | fAdcBin = 0.25; // 1 ADC bin = 0.25 pC (or 0.03 pC) |
ea7a588a | 326 | fAdcMean = 50.; // ADC distribution mpv value for Landau (in bins) |
327 | // it corresponds to a mean value of ~100 bins | |
328 | fAdcRms = 25.; // ADC distribution rms value (in bins) | |
329 | // it corresponds to distribution rms ~50 bins | |
f73548c4 | 330 | } |
331 | ||
332 | //__________________________________________________________________ | |
7e8c2e88 | 333 | Double_t TimeWithTail(const Double_t * const x, const Double_t * const par) |
f73548c4 | 334 | { |
335 | // sigma - par[0], alpha - par[1], part - par[2] | |
336 | // at x<part*sigma - gauss | |
337 | // at x>part*sigma - TMath::Exp(-x/alpha) | |
338 | Float_t xx =x[0]; | |
339 | Double_t f; | |
340 | if(xx<par[0]*par[2]) { | |
341 | f = TMath::Exp(-xx*xx/(2*par[0]*par[0])); | |
342 | } else { | |
343 | f = TMath::Exp(-(xx-par[0]*par[2])/par[1]-0.5*par[2]*par[2]); | |
344 | } | |
345 | return f; | |
517b7f8f | 346 | } |
347 | ||
348 | //____________________________________________________________________________ | |
f21fc003 | 349 | void AliTOFSDigitizer::Digitize(Option_t *verboseOption) { |
340693af | 350 | //execute TOF sdigitization |
d61f73d9 | 351 | if (strstr(verboseOption,"tim") || strstr(verboseOption,"all")) |
ea7a588a | 352 | gBenchmark->Start("TOFSDigitizer"); |
517b7f8f | 353 | |
ea7a588a | 354 | if (fEdgeTails) ftail = new TF1("tail",TimeWithTail,-2,2,3); |
d61f73d9 | 355 | |
ea7a588a | 356 | Int_t nselectedHits=0; |
357 | Int_t ntotalsdigits=0; | |
358 | Int_t ntotalupdates=0; | |
359 | Int_t nnoisesdigits=0; | |
360 | Int_t nsignalsdigits=0; | |
361 | Int_t nHitsFromPrim=0; | |
362 | Int_t nHitsFromSec=0; | |
363 | Int_t nlargeTofDiff=0; | |
f73548c4 | 364 | |
da3d3acd | 365 | Bool_t thereIsNotASelection=(fSelectedSector==-1) && (fSelectedPlate==-1); |
55991c8b | 366 | |
f540341d | 367 | if (fRunLoader->GetAliRun() == 0x0) fRunLoader->LoadgAlice(); |
d61f73d9 | 368 | gAlice = fRunLoader->GetAliRun(); |
ea7a588a | 369 | |
d61f73d9 | 370 | fRunLoader->LoadKinematics(); |
371 | ||
7e6dce66 | 372 | AliTOF *tof = (AliTOF *) gAlice->GetDetector("TOF"); |
d61f73d9 | 373 | |
7e6dce66 | 374 | if (!tof) { |
d076c8d5 | 375 | AliError("TOF not found"); |
d61f73d9 | 376 | return; |
377 | } | |
3f296ed3 | 378 | |
d61f73d9 | 379 | fTOFLoader->LoadHits("read"); |
380 | fTOFLoader->LoadSDigits("recreate"); | |
3495d79c | 381 | |
382 | Int_t vol[5]={-1,-1,-1,-1,-1}; // location for a digit | |
383 | Int_t digit[2]={0,0}; // TOF digit variables | |
d61f73d9 | 384 | |
3495d79c | 385 | Int_t nselectedHitsinEv=0; |
386 | Int_t ntotalsdigitsinEv=0; | |
387 | Int_t ntotalupdatesinEv=0; | |
388 | Int_t nnoisesdigitsinEv=0; | |
389 | Int_t nsignalsdigitsinEv=0; | |
390 | ||
d61f73d9 | 391 | for (Int_t iEvent=fEvent1; iEvent<fEvent2; iEvent++) { |
0e46b9ae | 392 | //AliInfo(Form("------------------- %s -------------", GetName())); |
393 | //AliInfo(Form("Sdigitizing event %i", iEvent)); | |
517b7f8f | 394 | |
d61f73d9 | 395 | fRunLoader->GetEvent(iEvent); |
396 | ||
3495d79c | 397 | TTree *hitTree = fTOFLoader->TreeH(); |
7e6dce66 | 398 | if (!hitTree) return; |
517b7f8f | 399 | |
d61f73d9 | 400 | if (fTOFLoader->TreeS () == 0) fTOFLoader->MakeTree ("S"); |
401 | ||
5919c40c | 402 | //Make branch for digits |
7e6dce66 | 403 | tof->MakeBranch("S"); |
517b7f8f | 404 | |
d61f73d9 | 405 | // recreate TClonesArray fSDigits - for backward compatibility |
7e6dce66 | 406 | if (tof->SDigits() == 0) { |
407 | tof->CreateSDigitsArray(); | |
d61f73d9 | 408 | } else { |
7e6dce66 | 409 | tof->RecreateSDigitsArray(); |
d61f73d9 | 410 | } |
5919c40c | 411 | |
7e6dce66 | 412 | tof->SetTreeAddress(); |
87e54ebb | 413 | |
7e6dce66 | 414 | Int_t version=tof->IsVersion(); |
d61f73d9 | 415 | |
3495d79c | 416 | nselectedHitsinEv=0; |
417 | ntotalsdigitsinEv=0; | |
418 | ntotalupdatesinEv=0; | |
419 | nnoisesdigitsinEv=0; | |
420 | nsignalsdigitsinEv=0; | |
016e1f91 | 421 | |
5919c40c | 422 | TParticle *particle; |
016e1f91 | 423 | //AliTOFhit *tofHit; |
7e6dce66 | 424 | TClonesArray *tofHitArray = tof->Hits(); |
5919c40c | 425 | |
f73548c4 | 426 | // create hit map |
3495d79c | 427 | //AliTOFHitMap *hitMap = new AliTOFHitMap(tof->SDigits(), fTOFGeometry); |
96f01799 | 428 | AliTOFHitMap *hitMap = new AliTOFHitMap(tof->SDigits()); |
5919c40c | 429 | |
7e6dce66 | 430 | TBranch * tofHitsBranch = hitTree->GetBranch("TOF"); |
bfec09a6 | 431 | |
7e6dce66 | 432 | Int_t ntracks = static_cast<Int_t>(hitTree->GetEntries()); |
5919c40c | 433 | for (Int_t track = 0; track < ntracks; track++) |
434 | { | |
3e2e3ece | 435 | gAlice->GetMCApp()->ResetHits(); |
d7ccea72 | 436 | tofHitsBranch->GetEvent(track); |
0e46b9ae | 437 | |
438 | AliMC *mcApplication = (AliMC*)gAlice->GetMCApp(); | |
439 | ||
3495d79c | 440 | particle = (TParticle*)mcApplication->Particle(track); |
7e6dce66 | 441 | Int_t nhits = tofHitArray->GetEntriesFast(); |
f73548c4 | 442 | // cleaning all hits of the same track in the same pad volume |
443 | // it is a rare event, however it happens | |
444 | ||
d61f73d9 | 445 | Int_t previousTrack =-1; |
446 | Int_t previousSector=-1; | |
447 | Int_t previousPlate =-1; | |
448 | Int_t previousStrip =-1; | |
449 | Int_t previousPadX =-1; | |
450 | Int_t previousPadZ =-1; | |
5919c40c | 451 | |
d61f73d9 | 452 | for (Int_t hit = 0; hit < nhits; hit++) { |
3495d79c | 453 | for (Int_t aa=0; aa<5;aa++) vol[aa]=-1; // location for a digit |
454 | for (Int_t aa=0; aa<2;aa++) digit[aa]=0; // TOF digit variables | |
455 | Int_t tracknum; | |
7e6dce66 | 456 | Float_t dxPad; |
457 | Float_t dzPad; | |
016e1f91 | 458 | Float_t geantTime; |
459 | ||
460 | // fp: really sorry for this, it is a temporary trick to have | |
461 | // track length too | |
dfef1a15 | 462 | if (version<6) { //(version!=6 && version!=7) |
7e6dce66 | 463 | AliTOFhit *tofHit = (AliTOFhit *) tofHitArray->UncheckedAt(hit); |
016e1f91 | 464 | tracknum = tofHit->GetTrack(); |
465 | vol[0] = tofHit->GetSector(); | |
466 | vol[1] = tofHit->GetPlate(); | |
467 | vol[2] = tofHit->GetStrip(); | |
468 | vol[3] = tofHit->GetPadx(); | |
469 | vol[4] = tofHit->GetPadz(); | |
7e6dce66 | 470 | dxPad = tofHit->GetDx(); |
471 | dzPad = tofHit->GetDz(); | |
3f296ed3 | 472 | geantTime = tofHit->GetTof(); // unit [s] // already corrected per event_time smearing |
016e1f91 | 473 | } else { |
7e6dce66 | 474 | AliTOFhitT0 *tofHit = (AliTOFhitT0 *) tofHitArray->UncheckedAt(hit); |
016e1f91 | 475 | tracknum = tofHit->GetTrack(); |
476 | vol[0] = tofHit->GetSector(); | |
477 | vol[1] = tofHit->GetPlate(); | |
55991c8b | 478 | vol[2] = tofHit->GetStrip(); |
479 | vol[3] = tofHit->GetPadx(); | |
480 | vol[4] = tofHit->GetPadz(); | |
7e6dce66 | 481 | dxPad = tofHit->GetDx(); |
482 | dzPad = tofHit->GetDz(); | |
3f296ed3 | 483 | geantTime = tofHit->GetTof(); // unit [s] // already corrected per event_time_smearing |
016e1f91 | 484 | } |
d61f73d9 | 485 | |
016e1f91 | 486 | geantTime *= 1.e+09; // conversion from [s] to [ns] |
4d1c7395 | 487 | // TOF matching window (~200ns) control |
488 | if (geantTime>=AliTOFGeometry::MatchingWindow()*1E-3) { | |
489 | AliDebug(2,Form("Time measurement (%f) greater than the matching window (%f)", | |
490 | geantTime, AliTOFGeometry::MatchingWindow()*1E-3)); | |
491 | continue; | |
492 | } | |
c630773f | 493 | |
016e1f91 | 494 | // selection case for sdigitizing only hits in a given plate of a given sector |
495 | if(thereIsNotASelection || (vol[0]==fSelectedSector && vol[1]==fSelectedPlate)){ | |
55991c8b | 496 | |
497 | Bool_t dummy=((tracknum==previousTrack) && (vol[0]==previousSector) && (vol[1]==previousPlate) && (vol[2]==previousStrip)); | |
498 | ||
499 | Bool_t isCloneOfThePrevious=dummy && ((vol[3]==previousPadX) && (vol[4]==previousPadZ)); | |
500 | ||
b213b8bd | 501 | 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 | 502 | |
b213b8bd | 503 | if(!isCloneOfThePrevious && !isNeighOfThePrevious){ |
55991c8b | 504 | // update "previous" values |
505 | // in fact, we are yet in the future, so the present is past | |
506 | previousTrack=tracknum; | |
507 | previousSector=vol[0]; | |
508 | previousPlate=vol[1]; | |
509 | previousStrip=vol[2]; | |
510 | previousPadX=vol[3]; | |
511 | previousPadZ=vol[4]; | |
512 | ||
513 | nselectedHits++; | |
514 | nselectedHitsinEv++; | |
d61f73d9 | 515 | if (particle->GetFirstMother() < 0) nHitsFromPrim++; // counts hits due to primary particles |
55991c8b | 516 | |
7e6dce66 | 517 | Float_t xStrip=AliTOFGeometry::XPad()*(vol[3]+0.5-0.5*AliTOFGeometry::NpadX())+dxPad; |
518 | Float_t zStrip=AliTOFGeometry::ZPad()*(vol[4]+0.5-0.5*AliTOFGeometry::NpadZ())+dzPad; | |
016e1f91 | 519 | |
55991c8b | 520 | Int_t nActivatedPads = 0, nFiredPads = 0; |
521 | Bool_t isFired[4] = {kFALSE, kFALSE, kFALSE, kFALSE}; | |
522 | Float_t tofAfterSimul[4] = {0., 0., 0., 0.}; | |
523 | Float_t qInduced[4] = {0.,0.,0.,0.}; | |
524 | Int_t nPlace[4] = {0, 0, 0, 0}; | |
525 | Float_t averageTime = 0.; | |
526 | SimulateDetectorResponse(zStrip,xStrip,geantTime,nActivatedPads,nFiredPads,isFired,nPlace,qInduced,tofAfterSimul,averageTime); | |
527 | if(nFiredPads) { | |
528 | for(Int_t indexOfPad=0; indexOfPad<nActivatedPads; indexOfPad++) { | |
529 | if(isFired[indexOfPad]){ // the pad has fired | |
2608880a | 530 | |
55991c8b | 531 | Float_t timediff=geantTime-tofAfterSimul[indexOfPad]; |
5ab3605a | 532 | |
c630773f | 533 | // TOF matching window (~200ns) control |
534 | if (tofAfterSimul[indexOfPad]>=AliTOFGeometry::MatchingWindow()*1E-3) { | |
4d1c7395 | 535 | AliDebug(2,Form("Time measurement (%f) greater than the matching window (%f)", |
c630773f | 536 | tofAfterSimul[indexOfPad], AliTOFGeometry::MatchingWindow()*1E-3)); |
537 | continue; | |
538 | } | |
539 | ||
540 | if(timediff>=0.2) nlargeTofDiff++; // greater than 200ps | |
55991c8b | 541 | |
9fa04290 | 542 | digit[0] = TMath::Nint((tofAfterSimul[indexOfPad]*1.e+03)/AliTOFGeometry::TdcBinWidth()); // TDC bin number (each bin -> 24.4 ps) |
55991c8b | 543 | |
544 | Float_t landauFactor = gRandom->Landau(fAdcMean, fAdcRms); | |
9fa04290 | 545 | digit[1] = TMath::Nint(qInduced[indexOfPad] * landauFactor); // ADC bins (each bin -> 0.25 (or 0.03) pC) |
d61f73d9 | 546 | |
55991c8b | 547 | // recalculate the volume only for neighbouring pads |
ea7a588a | 548 | if(indexOfPad){ |
0f4a7374 | 549 | (nPlace[indexOfPad]<=AliTOFGeometry::NpadX()) ? vol[4] = 0 : vol[4] = 1; |
550 | (nPlace[indexOfPad]<=AliTOFGeometry::NpadX()) ? vol[3] = nPlace[indexOfPad] - 1 : vol[3] = nPlace[indexOfPad] - AliTOFGeometry::NpadX() - 1; | |
ea7a588a | 551 | } |
d61f73d9 | 552 | // check if two sdigit are on the same pad; |
553 | // in that case we sum the two or more sdigits | |
55991c8b | 554 | if (hitMap->TestHit(vol) != kEmpty) { |
555 | AliTOFSDigit *sdig = static_cast<AliTOFSDigit*>(hitMap->GetHit(vol)); | |
556 | Int_t tdctime = (Int_t) digit[0]; | |
557 | Int_t adccharge = (Int_t) digit[1]; | |
43f77f2d | 558 | sdig->Update(AliTOFGeometry::TdcBinWidth(),tdctime,adccharge,tracknum); |
55991c8b | 559 | ntotalupdatesinEv++; |
560 | ntotalupdates++; | |
561 | } else { | |
562 | ||
7e6dce66 | 563 | tof->AddSDigit(tracknum, vol, digit); |
55991c8b | 564 | |
565 | if(indexOfPad){ | |
566 | nnoisesdigits++; | |
567 | nnoisesdigitsinEv++; | |
568 | } else { | |
569 | nsignalsdigits++; | |
570 | nsignalsdigitsinEv++; | |
571 | } | |
572 | ntotalsdigitsinEv++; | |
573 | ntotalsdigits++; | |
574 | hitMap->SetHit(vol); | |
575 | } // if (hitMap->TestHit(vol) != kEmpty) | |
576 | } // if(isFired[indexOfPad]) | |
577 | } // end loop on nActivatedPads | |
578 | } // if(nFiredPads) i.e. if some pads has fired | |
579 | } // close if(!isCloneOfThePrevious) | |
580 | } // close the selection on sector and plate | |
5919c40c | 581 | } // end loop on hits for the current track |
582 | } // end loop on ntracks | |
55991c8b | 583 | |
5919c40c | 584 | delete hitMap; |
d61f73d9 | 585 | |
586 | fTOFLoader->TreeS()->Reset(); | |
587 | fTOFLoader->TreeS()->Fill(); | |
588 | fTOFLoader->WriteSDigits("OVERWRITE"); | |
589 | ||
7e6dce66 | 590 | if (tof->SDigits()) tof->ResetSDigits(); |
d61f73d9 | 591 | |
4d1c7395 | 592 | if (strstr(verboseOption,"all") || strstr(verboseOption,"partial")) { |
593 | AliDebug(2,"----------------------------------------"); | |
594 | AliDebug(2,Form("After sdigitizing %d hits in event %d", nselectedHitsinEv, iEvent)); | |
ea7a588a | 595 | //" (" << nHitsFromPrim << " from primaries and " << nHitsFromSec << " from secondaries) TOF hits, " |
fda219f1 | 596 | AliDebug(1,Form("%d sdigits have been created", ntotalsdigitsinEv)); |
4d1c7395 | 597 | AliDebug(2,Form("(%d due to signals and %d due to border effect)", nsignalsdigitsinEv, nnoisesdigitsinEv)); |
598 | AliDebug(2,Form("%d total updates of the hit map have been performed in current event", ntotalupdatesinEv)); | |
599 | AliDebug(2,"----------------------------------------"); | |
ea7a588a | 600 | } |
601 | ||
602 | } //event loop on events | |
603 | ||
d61f73d9 | 604 | fTOFLoader->UnloadSDigits(); |
605 | fTOFLoader->UnloadHits(); | |
606 | fRunLoader->UnloadKinematics(); | |
e615b5b5 | 607 | //fRunLoader->UnloadgAlice(); |
d61f73d9 | 608 | |
ea7a588a | 609 | // free used memory |
610 | if (ftail){ | |
611 | delete ftail; | |
612 | ftail = 0; | |
613 | } | |
614 | ||
615 | nHitsFromSec=nselectedHits-nHitsFromPrim; | |
4d1c7395 | 616 | if (strstr(verboseOption,"all") || strstr(verboseOption,"partial")) { |
617 | AliDebug(2,"----------------------------------------"); | |
618 | AliDebug(2,Form("After sdigitizing %d hits in %d events ", nselectedHits, fEvent2-fEvent1)); | |
619 | //" (" << nHitsFromPrim << " from primaries and " << nHitsFromSec << " from secondaries) TOF hits, " | |
620 | AliDebug(2,Form("%d sdigits have been created", ntotalsdigits)); | |
621 | AliDebug(2,Form("(%d due to signals and %d due to border effect)", nsignalsdigits, nnoisesdigits)); | |
622 | AliDebug(2,Form("%d total updates of the hit map have been performed", ntotalupdates)); | |
623 | AliDebug(2,Form("in %d cases the time of flight difference is greater than 200 ps", nlargeTofDiff)); | |
624 | AliDebug(2,"----------------------------------------"); | |
ea7a588a | 625 | } |
626 | ||
517b7f8f | 627 | |
ea7a588a | 628 | if(strstr(verboseOption,"tim") || strstr(verboseOption,"all")){ |
629 | gBenchmark->Stop("TOFSDigitizer"); | |
d076c8d5 | 630 | AliInfo("AliTOFSDigitizer:"); |
631 | AliInfo(Form(" took %f seconds in order to make sdigits " | |
632 | "%f seconds per event", gBenchmark->GetCpuTime("TOFSDigitizer"), gBenchmark->GetCpuTime("TOFSDigitizer")/(fEvent2-fEvent1))); | |
633 | AliInfo(" +++++++++++++++++++++++++++++++++++++++++++++++++++ "); | |
ea7a588a | 634 | } |
517b7f8f | 635 | |
636 | } | |
ea7a588a | 637 | |
517b7f8f | 638 | //__________________________________________________________________ |
5c016a7b | 639 | void AliTOFSDigitizer::Print(Option_t* /*opt*/)const |
517b7f8f | 640 | { |
0e46b9ae | 641 | AliInfo(Form(" ------------------- %s ------------- ", GetName())); |
517b7f8f | 642 | } |
f73548c4 | 643 | |
55991c8b | 644 | //__________________________________________________________________ |
645 | void AliTOFSDigitizer::SelectSectorAndPlate(Int_t sector, Int_t plate) | |
646 | { | |
340693af | 647 | //Select sector and plate |
0f4a7374 | 648 | Bool_t isaWrongSelection=(sector < 0) || (sector >= AliTOFGeometry::NSectors()) || (plate < 0) || (plate >= AliTOFGeometry::NPlates()); |
55991c8b | 649 | if(isaWrongSelection){ |
d076c8d5 | 650 | AliError("You have selected an invalid value for sector or plate "); |
651 | AliError(Form("The correct range for sector is [0,%d]", AliTOFGeometry::NSectors()-1)); | |
652 | AliError(Form("The correct range for plate is [0,%d]", AliTOFGeometry::NPlates()-1)); | |
653 | AliError("By default we continue sdigitizing all hits in all plates of all sectors"); | |
55991c8b | 654 | } else { |
655 | fSelectedSector=sector; | |
656 | fSelectedPlate =plate; | |
d076c8d5 | 657 | AliInfo(Form("SDigitizing only hits in plate %d of the sector %d", fSelectedPlate, fSelectedSector)); |
55991c8b | 658 | } |
659 | } | |
660 | ||
f73548c4 | 661 | //__________________________________________________________________ |
662 | 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) | |
663 | { | |
664 | // Description: | |
665 | // Input: z0, x0 - hit position in the strip system (0,0 - center of the strip), cm | |
666 | // geantTime - time generated by Geant, ns | |
667 | // Output: nActivatedPads - the number of pads activated by the hit (1 || 2 || 4) | |
668 | // nFiredPads - the number of pads fired (really activated) by the hit (nFiredPads <= nActivatedPads) | |
669 | // qInduced[iPad]- charge induced on pad, arb. units | |
670 | // this array is initialized at zero by the caller | |
671 | // tofAfterSimul[iPad] - time calculated with edge effect algorithm, ns | |
672 | // this array is initialized at zero by the caller | |
673 | // 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. | |
674 | // The weight is given by the qInduced[iPad]/qCenterPad | |
675 | // this variable is initialized at zero by the caller | |
676 | // nPlace[iPad] - the number of the pad place, iPad = 0, 1, 2, 3 | |
677 | // this variable is initialized at zero by the caller | |
678 | // | |
679 | // Description of used variables: | |
680 | // eff[iPad] - efficiency of the pad | |
681 | // res[iPad] - resolution of the pad, ns | |
682 | // timeWalk[iPad] - time walk of the pad, ns | |
683 | // timeDelay[iPad] - time delay for neighbouring pad to hited pad, ns | |
684 | // PadId[iPad] - Pad Identifier | |
685 | // E | F --> PadId[iPad] = 5 | 6 | |
686 | // A | B --> PadId[iPad] = 1 | 2 | |
687 | // C | D --> PadId[iPad] = 3 | 4 | |
688 | // nTail[iPad] - the tail number, = 1 for tailA, = 2 for tailB | |
689 | // qCenterPad - charge extimated for each pad, arb. units | |
690 | // weightsSum - sum of weights extimated for each pad fired, arb. units | |
691 | ||
0f4a7374 | 692 | const Float_t kSigmaForTail[2] = {AliTOFGeometry::SigmaForTail1(),AliTOFGeometry::SigmaForTail2()}; //for tail |
f73548c4 | 693 | Int_t iz = 0, ix = 0; |
694 | Float_t dX = 0., dZ = 0., x = 0., z = 0.; | |
695 | Float_t h = fHparameter, h2 = fH2parameter, k = fKparameter, k2 = fK2parameter; | |
696 | Float_t effX = 0., effZ = 0., resX = 0., resZ = 0., timeWalkX = 0., timeWalkZ = 0.; | |
697 | Float_t logOfqInd = 0.; | |
698 | Float_t weightsSum = 0.; | |
699 | Int_t nTail[4] = {0,0,0,0}; | |
700 | Int_t padId[4] = {0,0,0,0}; | |
701 | Float_t eff[4] = {0.,0.,0.,0.}; | |
702 | Float_t res[4] = {0.,0.,0.,0.}; | |
703 | // Float_t qCenterPad = fMinimumCharge * fMinimumCharge; | |
704 | Float_t qCenterPad = 1.; | |
705 | Float_t timeWalk[4] = {0.,0.,0.,0.}; | |
706 | Float_t timeDelay[4] = {0.,0.,0.,0.}; | |
707 | ||
708 | nActivatedPads = 0; | |
709 | nFiredPads = 0; | |
710 | ||
711 | (z0 <= 0) ? iz = 0 : iz = 1; | |
0f4a7374 | 712 | dZ = z0 + (0.5 * AliTOFGeometry::NpadZ() - iz - 0.5) * AliTOFGeometry::ZPad(); // hit position in the pad frame, (0,0) - center of the pad |
713 | z = 0.5 * AliTOFGeometry::ZPad() - TMath::Abs(dZ); // variable for eff., res. and timeWalk. functions | |
714 | iz++; // z row: 1, ..., AliTOFGeometry::NpadZ = 2 | |
715 | ix = (Int_t)((x0 + 0.5 * AliTOFGeometry::NpadX() * AliTOFGeometry::XPad()) / AliTOFGeometry::XPad()); | |
716 | dX = x0 + (0.5 * AliTOFGeometry::NpadX() - ix - 0.5) * AliTOFGeometry::XPad(); // hit position in the pad frame, (0,0) - center of the pad | |
717 | x = 0.5 * AliTOFGeometry::XPad() - TMath::Abs(dX); // variable for eff., res. and timeWalk. functions; | |
718 | ix++; // x row: 1, ..., AliTOFGeometry::NpadX = 48 | |
f73548c4 | 719 | |
2608880a | 720 | ////// Pad A: |
721 | nActivatedPads++; | |
722 | nPlace[nActivatedPads-1] = (iz - 1) * AliTOFGeometry::NpadX() + ix; | |
723 | qInduced[nActivatedPads-1] = qCenterPad; | |
724 | padId[nActivatedPads-1] = 1; | |
725 | ||
726 | switch (fEdgeEffect) { | |
727 | case 0: | |
728 | eff[nActivatedPads-1] = fEffCenter; | |
729 | if (gRandom->Rndm() < eff[nActivatedPads-1]) { | |
730 | nFiredPads = 1; | |
731 | res[nActivatedPads-1] = 0.001 * TMath::Sqrt(fAddTRes*fAddTRes + fResCenter * fResCenter); // ns | |
732 | isFired[nActivatedPads-1] = kTRUE; | |
733 | tofTime[nActivatedPads-1] = gRandom->Gaus(geantTime + fTimeWalkCenter, res[0]); | |
734 | averageTime = tofTime[nActivatedPads-1]; | |
735 | } | |
736 | break; | |
737 | ||
738 | case 1: | |
739 | if(z < h) { | |
740 | if(z < h2) { | |
741 | effZ = fEffBoundary + (fEff2Boundary - fEffBoundary) * z / h2; | |
742 | } else { | |
743 | effZ = fEff2Boundary + (fEffCenter - fEff2Boundary) * (z - h2) / (h - h2); | |
744 | } | |
745 | //resZ = fTimeResolution; | |
746 | //timeWalkZ = 0.; | |
747 | nTail[nActivatedPads-1] = 1; | |
748 | } else { | |
749 | effZ = fEffCenter; | |
750 | //resZ = fTimeResolution; | |
751 | //timeWalkZ = 0.; | |
752 | } | |
753 | ||
754 | if(x < h) { | |
755 | if(x < h2) { | |
756 | effX = fEffBoundary + (fEff2Boundary - fEffBoundary) * x / h2; | |
757 | } else { | |
758 | effX = fEff2Boundary + (fEffCenter - fEff2Boundary) * (x - h2) / (h - h2); | |
759 | } | |
760 | //resX = fTimeResolution; | |
761 | //timeWalkX = 0.; | |
762 | nTail[nActivatedPads-1] = 1; | |
763 | } else { | |
764 | effX = fEffCenter; | |
765 | //resX = fTimeResolution; | |
766 | //timeWalkX = 0.; | |
767 | } | |
768 | ||
769 | (effZ<effX) ? eff[nActivatedPads-1] = effZ : eff[nActivatedPads-1] = effX; | |
770 | res[nActivatedPads-1] = 0.001 * fTimeResolution; // ns | |
771 | timeWalk[nActivatedPads-1] = 0.; // ns | |
772 | ||
773 | ||
774 | ////// Pad B: | |
775 | if(z < k2) { | |
776 | effZ = fEffBoundary - (fEffBoundary - fEff3Boundary) * (z / k2); | |
777 | } else { | |
778 | effZ = fEff3Boundary * (k - z) / (k - k2); | |
779 | } | |
780 | //resZ = fTimeResolution; | |
781 | //timeWalkZ = 0.; | |
782 | ||
783 | if(z < k && z > 0) { | |
784 | if( (iz == 1 && dZ > 0) || (iz == 2 && dZ < 0) ) { | |
785 | nActivatedPads++; | |
786 | nPlace[nActivatedPads-1] = nPlace[0] + (3 - 2 * iz) * AliTOFGeometry::NpadX(); | |
787 | eff[nActivatedPads-1] = effZ; | |
788 | res[nActivatedPads-1] = 0.001 * fTimeResolution; // ns | |
789 | timeWalk[nActivatedPads-1] = 0.; // ns | |
790 | nTail[nActivatedPads-1] = 2; | |
791 | if (fTimeDelayFlag) { | |
792 | qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * z); | |
793 | logOfqInd = gRandom->Gaus(-fPulseHeightSlope * z, fLogChargeSmearing); | |
794 | timeDelay[nActivatedPads-1] = gRandom->Gaus(-fTimeDelaySlope * logOfqInd, fTimeSmearing); | |
795 | } else { | |
796 | timeDelay[nActivatedPads-1] = 0.; | |
797 | } | |
798 | padId[nActivatedPads-1] = 2; | |
799 | } | |
800 | } | |
801 | ||
802 | ||
803 | ////// Pad C, D, E, F: | |
804 | if(x < k2) { | |
805 | effX = fEffBoundary - (fEffBoundary - fEff3Boundary) * (x / k2); | |
806 | } else { | |
807 | effX = fEff3Boundary * (k - x) / (k - k2); | |
808 | } | |
809 | //resX = fTimeResolution; | |
810 | //timeWalkX = 0.; | |
811 | ||
812 | if(x < k && x > 0) { | |
813 | // C: | |
814 | if(ix > 1 && dX < 0) { | |
815 | nActivatedPads++; | |
816 | nPlace[nActivatedPads-1] = nPlace[0] - 1; | |
817 | eff[nActivatedPads-1] = effX; | |
818 | res[nActivatedPads-1] = 0.001 * fTimeResolution; // ns | |
819 | timeWalk[nActivatedPads-1] = 0.; // ns | |
820 | nTail[nActivatedPads-1] = 2; | |
821 | if (fTimeDelayFlag) { | |
822 | qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * x); | |
823 | logOfqInd = gRandom->Gaus(-fPulseHeightSlope * x, fLogChargeSmearing); | |
824 | timeDelay[nActivatedPads-1] = gRandom->Gaus(-fTimeDelaySlope * logOfqInd, fTimeSmearing); | |
825 | } else { | |
826 | timeDelay[nActivatedPads-1] = 0.; | |
827 | } | |
828 | padId[nActivatedPads-1] = 3; | |
829 | ||
830 | // D: | |
831 | if(z < k && z > 0) { | |
832 | if( (iz == 1 && dZ > 0) || (iz == 2 && dZ < 0) ) { | |
833 | nActivatedPads++; | |
834 | nPlace[nActivatedPads-1] = nPlace[0] + (3 - 2 * iz) * AliTOFGeometry::NpadX() - 1; | |
835 | eff[nActivatedPads-1] = effX * effZ; | |
836 | res[nActivatedPads-1] = 0.001 * fTimeResolution; // ns | |
837 | timeWalk[nActivatedPads-1] = 0.; // ns | |
838 | ||
839 | nTail[nActivatedPads-1] = 2; | |
840 | if (fTimeDelayFlag) { | |
841 | if (TMath::Abs(x) < TMath::Abs(z)) { | |
842 | qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * z); | |
843 | logOfqInd = gRandom->Gaus(-fPulseHeightSlope * z, fLogChargeSmearing); | |
844 | } else { | |
845 | qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * x); | |
846 | logOfqInd = gRandom->Gaus(-fPulseHeightSlope * x, fLogChargeSmearing); | |
847 | } | |
848 | timeDelay[nActivatedPads-1] = gRandom->Gaus(-fTimeDelaySlope * logOfqInd, fTimeSmearing); | |
849 | } else { | |
850 | timeDelay[nActivatedPads-1] = 0.; | |
851 | } | |
852 | padId[nActivatedPads-1] = 4; | |
853 | } | |
854 | } // end D | |
855 | } // end C | |
856 | ||
857 | // E: | |
858 | if(ix < AliTOFGeometry::NpadX() && dX > 0) { | |
859 | nActivatedPads++; | |
860 | nPlace[nActivatedPads-1] = nPlace[0] + 1; | |
861 | eff[nActivatedPads-1] = effX; | |
862 | res[nActivatedPads-1] = 0.001 * fTimeResolution; // ns | |
863 | timeWalk[nActivatedPads-1] = 0.; // ns | |
864 | nTail[nActivatedPads-1] = 2; | |
865 | if (fTimeDelayFlag) { | |
866 | qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * x); | |
867 | logOfqInd = gRandom->Gaus(-fPulseHeightSlope * x, fLogChargeSmearing); | |
868 | timeDelay[nActivatedPads-1] = gRandom->Gaus(-fTimeDelaySlope * logOfqInd, fTimeSmearing); | |
869 | } else { | |
870 | timeDelay[nActivatedPads-1] = 0.; | |
871 | } | |
872 | padId[nActivatedPads-1] = 5; | |
873 | ||
874 | ||
875 | // F: | |
876 | if(z < k && z > 0) { | |
877 | if( (iz == 1 && dZ > 0) || (iz == 2 && dZ < 0) ) { | |
878 | nActivatedPads++; | |
879 | nPlace[nActivatedPads - 1] = nPlace[0] + (3 - 2 * iz) * AliTOFGeometry::NpadX() + 1; | |
880 | eff[nActivatedPads - 1] = effX * effZ; | |
881 | res[nActivatedPads-1] = 0.001 * fTimeResolution; // ns | |
882 | timeWalk[nActivatedPads-1] = 0.; // ns | |
883 | nTail[nActivatedPads-1] = 2; | |
884 | if (fTimeDelayFlag) { | |
885 | if (TMath::Abs(x) < TMath::Abs(z)) { | |
886 | qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * z); | |
887 | logOfqInd = gRandom->Gaus(-fPulseHeightSlope * z, fLogChargeSmearing); | |
888 | } else { | |
889 | qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * x); | |
890 | logOfqInd = gRandom->Gaus(-fPulseHeightSlope * x, fLogChargeSmearing); | |
891 | } | |
892 | timeDelay[nActivatedPads-1] = gRandom->Gaus(-fTimeDelaySlope * logOfqInd, fTimeSmearing); | |
893 | } else { | |
894 | timeDelay[nActivatedPads-1] = 0.; | |
895 | } | |
896 | padId[nActivatedPads-1] = 6; | |
897 | } | |
898 | } // end F | |
899 | } // end E | |
900 | } // end if(x < k) | |
901 | ||
902 | ||
903 | for (Int_t iPad = 0; iPad < nActivatedPads; iPad++) { | |
904 | if(gRandom->Rndm() < eff[iPad]) { | |
905 | isFired[iPad] = kTRUE; | |
906 | nFiredPads++; | |
907 | if(fEdgeTails) { | |
908 | if(nTail[iPad] == 0) { | |
909 | tofTime[iPad] = gRandom->Gaus(geantTime + timeWalk[iPad] + timeDelay[iPad], res[iPad]); | |
910 | } else { | |
911 | ftail->SetParameters(res[iPad], 2. * res[iPad], kSigmaForTail[nTail[iPad]-1]); | |
912 | Double_t timeAB = ftail->GetRandom(); | |
913 | tofTime[iPad] = geantTime + timeWalk[iPad] + timeDelay[iPad] + timeAB; | |
914 | } | |
915 | } else { | |
916 | //AliDebug(1,Form(" ----------------- TOF time resolution = %f",res[iPad])); | |
917 | tofTime[iPad] = gRandom->Gaus(geantTime + timeWalk[iPad] + timeDelay[iPad], res[iPad]); | |
918 | } | |
919 | if (fAverageTimeFlag) { | |
920 | averageTime += tofTime[iPad] * qInduced[iPad]; | |
921 | weightsSum += qInduced[iPad]; | |
922 | } else { | |
923 | averageTime += tofTime[iPad]; | |
924 | weightsSum += 1.; | |
925 | } | |
926 | ||
927 | AliDebug(1,Form(" Activated pad %d: geantTime=%f, tw=%fns, td=%fns, tofTime=%fns, sigma=%fps",iPad,geantTime,timeWalk[iPad],timeDelay[iPad],tofTime[iPad],1000.*res[iPad])); | |
928 | ||
929 | } | |
930 | ||
931 | } | |
932 | if (weightsSum!=0) averageTime /= weightsSum; | |
933 | break; | |
934 | ||
935 | ||
936 | case 2: | |
937 | if(z < h) { | |
938 | if(z < h2) { | |
939 | effZ = fEffBoundary + (fEff2Boundary - fEffBoundary) * z / h2; | |
940 | } else { | |
941 | effZ = fEff2Boundary + (fEffCenter - fEff2Boundary) * (z - h2) / (h - h2); | |
942 | } | |
943 | resZ = fResBoundary + (fResCenter - fResBoundary) * z / h; | |
944 | timeWalkZ = fTimeWalkBoundary + (fTimeWalkCenter - fTimeWalkBoundary) * z / h; | |
945 | nTail[nActivatedPads-1] = 1; | |
946 | } else { | |
947 | effZ = fEffCenter; | |
948 | resZ = fResCenter; | |
949 | timeWalkZ = fTimeWalkCenter; | |
950 | } | |
951 | ||
952 | if(x < h) { | |
953 | if(x < h2) { | |
954 | effX = fEffBoundary + (fEff2Boundary - fEffBoundary) * x / h2; | |
955 | } else { | |
956 | effX = fEff2Boundary + (fEffCenter - fEff2Boundary) * (x - h2) / (h - h2); | |
957 | } | |
958 | resX = fResBoundary + (fResCenter - fResBoundary) * x / h; | |
959 | timeWalkX = fTimeWalkBoundary + (fTimeWalkCenter - fTimeWalkBoundary) * x / h; | |
960 | nTail[nActivatedPads-1] = 1; | |
961 | } else { | |
962 | effX = fEffCenter; | |
963 | resX = fResCenter; | |
964 | timeWalkX = fTimeWalkCenter; | |
965 | } | |
966 | ||
967 | (effZ<effX) ? eff[nActivatedPads-1] = effZ : eff[nActivatedPads-1] = effX; | |
968 | (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 | |
969 | (timeWalkZ<timeWalkX) ? timeWalk[nActivatedPads-1] = 0.001 * timeWalkZ : timeWalk[nActivatedPads-1] = 0.001 * timeWalkX; // ns | |
970 | ||
971 | ||
972 | ////// Pad B: | |
973 | if(z < k2) { | |
974 | effZ = fEffBoundary - (fEffBoundary - fEff3Boundary) * (z / k2); | |
975 | } else { | |
976 | effZ = fEff3Boundary * (k - z) / (k - k2); | |
977 | } | |
978 | resZ = fResBoundary + fResSlope * z / k; | |
979 | timeWalkZ = fTimeWalkBoundary + fTimeWalkSlope * z / k; | |
980 | ||
981 | if(z < k && z > 0) { | |
982 | if( (iz == 1 && dZ > 0) || (iz == 2 && dZ < 0) ) { | |
983 | nActivatedPads++; | |
984 | nPlace[nActivatedPads-1] = nPlace[0] + (3 - 2 * iz) * AliTOFGeometry::NpadX(); | |
985 | eff[nActivatedPads-1] = effZ; | |
986 | res[nActivatedPads-1] = 0.001 * TMath::Sqrt(fAddTRes*fAddTRes + resZ * resZ); // ns | |
987 | timeWalk[nActivatedPads-1] = 0.001 * timeWalkZ; // ns | |
988 | nTail[nActivatedPads-1] = 2; | |
989 | if (fTimeDelayFlag) { | |
990 | qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * z); | |
991 | logOfqInd = gRandom->Gaus(-fPulseHeightSlope * z, fLogChargeSmearing); | |
992 | timeDelay[nActivatedPads-1] = gRandom->Gaus(-fTimeDelaySlope * logOfqInd, fTimeSmearing); | |
993 | } else { | |
994 | timeDelay[nActivatedPads-1] = 0.; | |
995 | } | |
996 | padId[nActivatedPads-1] = 2; | |
997 | } | |
998 | } | |
999 | ||
1000 | ||
1001 | ////// Pad C, D, E, F: | |
1002 | if(x < k2) { | |
1003 | effX = fEffBoundary - (fEffBoundary - fEff3Boundary) * (x / k2); | |
1004 | } else { | |
1005 | effX = fEff3Boundary * (k - x) / (k - k2); | |
1006 | } | |
1007 | resX = fResBoundary + fResSlope*x/k; | |
1008 | timeWalkX = fTimeWalkBoundary + fTimeWalkSlope*x/k; | |
1009 | ||
1010 | if(x < k && x > 0) { | |
1011 | // C: | |
1012 | if(ix > 1 && dX < 0) { | |
1013 | nActivatedPads++; | |
1014 | nPlace[nActivatedPads-1] = nPlace[0] - 1; | |
1015 | eff[nActivatedPads-1] = effX; | |
1016 | res[nActivatedPads-1] = 0.001 * TMath::Sqrt(fAddTRes*fAddTRes + resX * resX); // ns | |
1017 | timeWalk[nActivatedPads-1] = 0.001 * timeWalkX; // ns | |
1018 | nTail[nActivatedPads-1] = 2; | |
1019 | if (fTimeDelayFlag) { | |
1020 | qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * x); | |
1021 | logOfqInd = gRandom->Gaus(-fPulseHeightSlope * x, fLogChargeSmearing); | |
1022 | timeDelay[nActivatedPads-1] = gRandom->Gaus(-fTimeDelaySlope * logOfqInd, fTimeSmearing); | |
1023 | } else { | |
1024 | timeDelay[nActivatedPads-1] = 0.; | |
1025 | } | |
1026 | padId[nActivatedPads-1] = 3; | |
1027 | ||
1028 | // D: | |
1029 | if(z < k && z > 0) { | |
1030 | if( (iz == 1 && dZ > 0) || (iz == 2 && dZ < 0) ) { | |
1031 | nActivatedPads++; | |
1032 | nPlace[nActivatedPads-1] = nPlace[0] + (3 - 2 * iz) * AliTOFGeometry::NpadX() - 1; | |
1033 | eff[nActivatedPads-1] = effX * effZ; | |
1034 | (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 | |
1035 | (timeWalkZ<timeWalkX) ? timeWalk[nActivatedPads-1] = 0.001 * timeWalkZ : timeWalk[nActivatedPads-1] = 0.001 * timeWalkX; // ns | |
1036 | ||
1037 | nTail[nActivatedPads-1] = 2; | |
1038 | if (fTimeDelayFlag) { | |
1039 | if (TMath::Abs(x) < TMath::Abs(z)) { | |
1040 | qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * z); | |
1041 | logOfqInd = gRandom->Gaus(-fPulseHeightSlope * z, fLogChargeSmearing); | |
1042 | } else { | |
1043 | qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * x); | |
1044 | logOfqInd = gRandom->Gaus(-fPulseHeightSlope * x, fLogChargeSmearing); | |
1045 | } | |
1046 | timeDelay[nActivatedPads-1] = gRandom->Gaus(-fTimeDelaySlope * logOfqInd, fTimeSmearing); | |
1047 | } else { | |
1048 | timeDelay[nActivatedPads-1] = 0.; | |
1049 | } | |
1050 | padId[nActivatedPads-1] = 4; | |
1051 | } | |
1052 | } // end D | |
1053 | } // end C | |
1054 | ||
1055 | // E: | |
1056 | if(ix < AliTOFGeometry::NpadX() && dX > 0) { | |
1057 | nActivatedPads++; | |
1058 | nPlace[nActivatedPads-1] = nPlace[0] + 1; | |
1059 | eff[nActivatedPads-1] = effX; | |
1060 | res[nActivatedPads-1] = 0.001 * (TMath::Sqrt(fAddTRes*fAddTRes + resX * resX)); // ns | |
1061 | timeWalk[nActivatedPads-1] = 0.001 * timeWalkX; // ns | |
1062 | nTail[nActivatedPads-1] = 2; | |
1063 | if (fTimeDelayFlag) { | |
1064 | qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * x); | |
1065 | logOfqInd = gRandom->Gaus(-fPulseHeightSlope * x, fLogChargeSmearing); | |
1066 | timeDelay[nActivatedPads-1] = gRandom->Gaus(-fTimeDelaySlope * logOfqInd, fTimeSmearing); | |
1067 | } else { | |
1068 | timeDelay[nActivatedPads-1] = 0.; | |
1069 | } | |
1070 | padId[nActivatedPads-1] = 5; | |
1071 | ||
1072 | ||
1073 | // F: | |
1074 | if(z < k && z > 0) { | |
1075 | if( (iz == 1 && dZ > 0) || (iz == 2 && dZ < 0) ) { | |
1076 | nActivatedPads++; | |
1077 | nPlace[nActivatedPads - 1] = nPlace[0] + (3 - 2 * iz) * AliTOFGeometry::NpadX() + 1; | |
1078 | eff[nActivatedPads - 1] = effX * effZ; | |
1079 | (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 | |
1080 | (timeWalkZ<timeWalkX) ? timeWalk[nActivatedPads-1] = 0.001 * timeWalkZ : timeWalk[nActivatedPads-1] = 0.001*timeWalkX; // ns | |
1081 | nTail[nActivatedPads-1] = 2; | |
1082 | if (fTimeDelayFlag) { | |
1083 | if (TMath::Abs(x) < TMath::Abs(z)) { | |
1084 | qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * z); | |
1085 | logOfqInd = gRandom->Gaus(-fPulseHeightSlope * z, fLogChargeSmearing); | |
1086 | } else { | |
1087 | qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * x); | |
1088 | logOfqInd = gRandom->Gaus(-fPulseHeightSlope * x, fLogChargeSmearing); | |
1089 | } | |
1090 | timeDelay[nActivatedPads-1] = gRandom->Gaus(-fTimeDelaySlope * logOfqInd, fTimeSmearing); | |
1091 | } else { | |
1092 | timeDelay[nActivatedPads-1] = 0.; | |
1093 | } | |
1094 | padId[nActivatedPads-1] = 6; | |
1095 | } | |
1096 | } // end F | |
1097 | } // end E | |
1098 | } // end if(x < k) | |
1099 | ||
1100 | ||
1101 | for (Int_t iPad = 0; iPad < nActivatedPads; iPad++) { | |
1102 | if (res[iPad] < fTimeResolution) res[iPad] = fTimeResolution; | |
1103 | if(gRandom->Rndm() < eff[iPad]) { | |
1104 | isFired[iPad] = kTRUE; | |
1105 | nFiredPads++; | |
1106 | if(fEdgeTails) { | |
1107 | if(nTail[iPad] == 0) { | |
1108 | tofTime[iPad] = gRandom->Gaus(geantTime + timeWalk[iPad] + timeDelay[iPad], res[iPad]); | |
1109 | } else { | |
1110 | ftail->SetParameters(res[iPad], 2. * res[iPad], kSigmaForTail[nTail[iPad]-1]); | |
1111 | Double_t timeAB = ftail->GetRandom(); | |
1112 | tofTime[iPad] = geantTime + timeWalk[iPad] + timeDelay[iPad] + timeAB; | |
1113 | } | |
1114 | } else { | |
1115 | AliDebug(1,Form(" ----------------- TOF time resolution = %f",res[iPad])); | |
1116 | tofTime[iPad] = gRandom->Gaus(geantTime + timeWalk[iPad] + timeDelay[iPad], res[iPad]); | |
1117 | } | |
1118 | if (fAverageTimeFlag) { | |
1119 | averageTime += tofTime[iPad] * qInduced[iPad]; | |
1120 | weightsSum += qInduced[iPad]; | |
1121 | } else { | |
1122 | averageTime += tofTime[iPad]; | |
1123 | weightsSum += 1.; | |
1124 | } | |
1125 | } | |
1126 | } | |
1127 | if (weightsSum!=0) averageTime /= weightsSum; | |
1128 | ||
1129 | } // switch (fEdgeEffect) | |
1130 | ||
1131 | } | |
1132 | ||
1133 | //__________________________________________________________________ | |
1134 | void AliTOFSDigitizer::SimulateDetectorResponseOLD(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) | |
1135 | { | |
1136 | // Description: | |
1137 | // Input: z0, x0 - hit position in the strip system (0,0 - center of the strip), cm | |
1138 | // geantTime - time generated by Geant, ns | |
1139 | // Output: nActivatedPads - the number of pads activated by the hit (1 || 2 || 4) | |
1140 | // nFiredPads - the number of pads fired (really activated) by the hit (nFiredPads <= nActivatedPads) | |
1141 | // qInduced[iPad]- charge induced on pad, arb. units | |
1142 | // this array is initialized at zero by the caller | |
1143 | // tofAfterSimul[iPad] - time calculated with edge effect algorithm, ns | |
1144 | // this array is initialized at zero by the caller | |
1145 | // 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. | |
1146 | // The weight is given by the qInduced[iPad]/qCenterPad | |
1147 | // this variable is initialized at zero by the caller | |
1148 | // nPlace[iPad] - the number of the pad place, iPad = 0, 1, 2, 3 | |
1149 | // this variable is initialized at zero by the caller | |
1150 | // | |
1151 | // Description of used variables: | |
1152 | // eff[iPad] - efficiency of the pad | |
1153 | // res[iPad] - resolution of the pad, ns | |
1154 | // timeWalk[iPad] - time walk of the pad, ns | |
1155 | // timeDelay[iPad] - time delay for neighbouring pad to hited pad, ns | |
1156 | // PadId[iPad] - Pad Identifier | |
1157 | // E | F --> PadId[iPad] = 5 | 6 | |
1158 | // A | B --> PadId[iPad] = 1 | 2 | |
1159 | // C | D --> PadId[iPad] = 3 | 4 | |
1160 | // nTail[iPad] - the tail number, = 1 for tailA, = 2 for tailB | |
1161 | // qCenterPad - charge extimated for each pad, arb. units | |
1162 | // weightsSum - sum of weights extimated for each pad fired, arb. units | |
1163 | ||
1164 | const Float_t kSigmaForTail[2] = {AliTOFGeometry::SigmaForTail1(),AliTOFGeometry::SigmaForTail2()}; //for tail | |
1165 | Int_t iz = 0, ix = 0; | |
1166 | Float_t dX = 0., dZ = 0., x = 0., z = 0.; | |
1167 | Float_t h = fHparameter, h2 = fH2parameter, k = fKparameter, k2 = fK2parameter; | |
1168 | Float_t effX = 0., effZ = 0., resX = 0., resZ = 0., timeWalkX = 0., timeWalkZ = 0.; | |
1169 | Float_t logOfqInd = 0.; | |
1170 | Float_t weightsSum = 0.; | |
1171 | Int_t nTail[4] = {0,0,0,0}; | |
1172 | Int_t padId[4] = {0,0,0,0}; | |
1173 | Float_t eff[4] = {0.,0.,0.,0.}; | |
1174 | Float_t res[4] = {0.,0.,0.,0.}; | |
1175 | // Float_t qCenterPad = fMinimumCharge * fMinimumCharge; | |
1176 | Float_t qCenterPad = 1.; | |
1177 | Float_t timeWalk[4] = {0.,0.,0.,0.}; | |
1178 | Float_t timeDelay[4] = {0.,0.,0.,0.}; | |
1179 | ||
1180 | nActivatedPads = 0; | |
1181 | nFiredPads = 0; | |
1182 | ||
1183 | (z0 <= 0) ? iz = 0 : iz = 1; | |
1184 | dZ = z0 + (0.5 * AliTOFGeometry::NpadZ() - iz - 0.5) * AliTOFGeometry::ZPad(); // hit position in the pad frame, (0,0) - center of the pad | |
1185 | z = 0.5 * AliTOFGeometry::ZPad() - TMath::Abs(dZ); // variable for eff., res. and timeWalk. functions | |
1186 | iz++; // z row: 1, ..., AliTOFGeometry::NpadZ = 2 | |
1187 | ix = (Int_t)((x0 + 0.5 * AliTOFGeometry::NpadX() * AliTOFGeometry::XPad()) / AliTOFGeometry::XPad()); | |
1188 | dX = x0 + (0.5 * AliTOFGeometry::NpadX() - ix - 0.5) * AliTOFGeometry::XPad(); // hit position in the pad frame, (0,0) - center of the pad | |
1189 | x = 0.5 * AliTOFGeometry::XPad() - TMath::Abs(dX); // variable for eff., res. and timeWalk. functions; | |
1190 | ix++; // x row: 1, ..., AliTOFGeometry::NpadX = 48 | |
1191 | ||
f73548c4 | 1192 | ////// Pad A: |
1193 | nActivatedPads++; | |
0f4a7374 | 1194 | nPlace[nActivatedPads-1] = (iz - 1) * AliTOFGeometry::NpadX() + ix; |
f73548c4 | 1195 | qInduced[nActivatedPads-1] = qCenterPad; |
1196 | padId[nActivatedPads-1] = 1; | |
1197 | ||
1198 | if (fEdgeEffect == 0) { | |
1199 | eff[nActivatedPads-1] = fEffCenter; | |
1200 | if (gRandom->Rndm() < eff[nActivatedPads-1]) { | |
1201 | nFiredPads = 1; | |
7e6dce66 | 1202 | res[nActivatedPads-1] = 0.001 * TMath::Sqrt(fAddTRes*fAddTRes + fResCenter * fResCenter); // ns |
f73548c4 | 1203 | isFired[nActivatedPads-1] = kTRUE; |
1204 | tofTime[nActivatedPads-1] = gRandom->Gaus(geantTime + fTimeWalkCenter, res[0]); | |
1205 | averageTime = tofTime[nActivatedPads-1]; | |
1206 | } | |
3f296ed3 | 1207 | } else { // if (fEdgeEffet!=0) |
1208 | ||
f73548c4 | 1209 | if(z < h) { |
1210 | if(z < h2) { | |
1211 | effZ = fEffBoundary + (fEff2Boundary - fEffBoundary) * z / h2; | |
1212 | } else { | |
1213 | effZ = fEff2Boundary + (fEffCenter - fEff2Boundary) * (z - h2) / (h - h2); | |
1214 | } | |
3f296ed3 | 1215 | if (fEdgeEffect==1) |
1216 | resZ = fTimeResolution; | |
1217 | else if (fEdgeEffect==2) | |
1218 | resZ = fResBoundary + (fResCenter - fResBoundary) * z / h; | |
f73548c4 | 1219 | timeWalkZ = fTimeWalkBoundary + (fTimeWalkCenter - fTimeWalkBoundary) * z / h; |
1220 | nTail[nActivatedPads-1] = 1; | |
1221 | } else { | |
1222 | effZ = fEffCenter; | |
3f296ed3 | 1223 | if (fEdgeEffect==1) |
1224 | resZ = fTimeResolution; | |
1225 | else if (fEdgeEffect==2) | |
1226 | resZ = fResCenter; | |
f73548c4 | 1227 | timeWalkZ = fTimeWalkCenter; |
1228 | } | |
1229 | ||
1230 | if(x < h) { | |
1231 | if(x < h2) { | |
1232 | effX = fEffBoundary + (fEff2Boundary - fEffBoundary) * x / h2; | |
1233 | } else { | |
1234 | effX = fEff2Boundary + (fEffCenter - fEff2Boundary) * (x - h2) / (h - h2); | |
1235 | } | |
3f296ed3 | 1236 | if (fEdgeEffect==1) |
1237 | resX = fTimeResolution; | |
1238 | else if (fEdgeEffect==2) | |
1239 | resX = fResBoundary + (fResCenter - fResBoundary) * x / h; | |
f73548c4 | 1240 | timeWalkX = fTimeWalkBoundary + (fTimeWalkCenter - fTimeWalkBoundary) * x / h; |
1241 | nTail[nActivatedPads-1] = 1; | |
1242 | } else { | |
1243 | effX = fEffCenter; | |
3f296ed3 | 1244 | if (fEdgeEffect==1) |
1245 | resX = fTimeResolution; | |
1246 | else if (fEdgeEffect==2) | |
1247 | resX = fResCenter; | |
f73548c4 | 1248 | timeWalkX = fTimeWalkCenter; |
1249 | } | |
1250 | ||
1251 | (effZ<effX) ? eff[nActivatedPads-1] = effZ : eff[nActivatedPads-1] = effX; | |
2608880a | 1252 | if (fEdgeEffect==1) |
1253 | (resZ<resX) ? res[nActivatedPads-1] = 0.001 * resX : res[nActivatedPads-1] = 0.001 * resZ; // ns | |
1254 | else | |
1255 | (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 | 1256 | (timeWalkZ<timeWalkX) ? timeWalk[nActivatedPads-1] = 0.001 * timeWalkZ : timeWalk[nActivatedPads-1] = 0.001 * timeWalkX; // ns |
1257 | ||
1258 | ||
1259 | ////// Pad B: | |
1260 | if(z < k2) { | |
1261 | effZ = fEffBoundary - (fEffBoundary - fEff3Boundary) * (z / k2); | |
1262 | } else { | |
1263 | effZ = fEff3Boundary * (k - z) / (k - k2); | |
1264 | } | |
3f296ed3 | 1265 | if (fEdgeEffect==1) |
1266 | resZ = fTimeResolution; | |
1267 | else if (fEdgeEffect==2) | |
1268 | resZ = fResBoundary + fResSlope * z / k; | |
f73548c4 | 1269 | timeWalkZ = fTimeWalkBoundary + fTimeWalkSlope * z / k; |
1270 | ||
1271 | if(z < k && z > 0) { | |
1272 | if( (iz == 1 && dZ > 0) || (iz == 2 && dZ < 0) ) { | |
1273 | nActivatedPads++; | |
0f4a7374 | 1274 | nPlace[nActivatedPads-1] = nPlace[0] + (3 - 2 * iz) * AliTOFGeometry::NpadX(); |
f73548c4 | 1275 | eff[nActivatedPads-1] = effZ; |
2608880a | 1276 | if (fEdgeEffect==1) |
1277 | res[nActivatedPads-1] = 0.001 * resZ; // ns | |
1278 | else | |
1279 | res[nActivatedPads-1] = 0.001 * TMath::Sqrt(fAddTRes*fAddTRes + resZ * resZ); // ns | |
f73548c4 | 1280 | timeWalk[nActivatedPads-1] = 0.001 * timeWalkZ; // ns |
1281 | nTail[nActivatedPads-1] = 2; | |
1282 | if (fTimeDelayFlag) { | |
1283 | // qInduced[0] = fMinimumCharge * TMath::Exp(fPulseHeightSlope * z / 2.); | |
1284 | // qInduced[nActivatedPads-1] = fMinimumCharge * TMath::Exp(-fPulseHeightSlope * z / 2.); | |
1285 | qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * z); | |
1286 | logOfqInd = gRandom->Gaus(-fPulseHeightSlope * z, fLogChargeSmearing); | |
1287 | timeDelay[nActivatedPads-1] = gRandom->Gaus(-fTimeDelaySlope * logOfqInd, fTimeSmearing); | |
1288 | } else { | |
1289 | timeDelay[nActivatedPads-1] = 0.; | |
1290 | } | |
1291 | padId[nActivatedPads-1] = 2; | |
1292 | } | |
1293 | } | |
1294 | ||
1295 | ||
1296 | ////// Pad C, D, E, F: | |
1297 | if(x < k2) { | |
1298 | effX = fEffBoundary - (fEffBoundary - fEff3Boundary) * (x / k2); | |
1299 | } else { | |
1300 | effX = fEff3Boundary * (k - x) / (k - k2); | |
1301 | } | |
3f296ed3 | 1302 | if (fEdgeEffect==1) |
1303 | resX = fTimeResolution; | |
1304 | else if (fEdgeEffect==2) | |
1305 | resX = fResBoundary + fResSlope*x/k; | |
f73548c4 | 1306 | timeWalkX = fTimeWalkBoundary + fTimeWalkSlope*x/k; |
1307 | ||
1308 | if(x < k && x > 0) { | |
1309 | // C: | |
1310 | if(ix > 1 && dX < 0) { | |
1311 | nActivatedPads++; | |
1312 | nPlace[nActivatedPads-1] = nPlace[0] - 1; | |
1313 | eff[nActivatedPads-1] = effX; | |
2608880a | 1314 | if (fEdgeEffect==1) |
1315 | res[nActivatedPads-1] = 0.001 * resX; // ns | |
1316 | else if (fEdgeEffect==2) | |
1317 | res[nActivatedPads-1] = 0.001 * TMath::Sqrt(fAddTRes*fAddTRes + resX * resX); // ns | |
f73548c4 | 1318 | timeWalk[nActivatedPads-1] = 0.001 * timeWalkX; // ns |
1319 | nTail[nActivatedPads-1] = 2; | |
1320 | if (fTimeDelayFlag) { | |
1321 | // qInduced[0] = fMinimumCharge * TMath::Exp(fPulseHeightSlope * x / 2.); | |
1322 | // qInduced[nActivatedPads-1] = fMinimumCharge * TMath::Exp(-fPulseHeightSlope * x / 2.); | |
1323 | qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * x); | |
1324 | logOfqInd = gRandom->Gaus(-fPulseHeightSlope * x, fLogChargeSmearing); | |
1325 | timeDelay[nActivatedPads-1] = gRandom->Gaus(-fTimeDelaySlope * logOfqInd, fTimeSmearing); | |
1326 | } else { | |
1327 | timeDelay[nActivatedPads-1] = 0.; | |
1328 | } | |
1329 | padId[nActivatedPads-1] = 3; | |
1330 | ||
1331 | // D: | |
1332 | if(z < k && z > 0) { | |
1333 | if( (iz == 1 && dZ > 0) || (iz == 2 && dZ < 0) ) { | |
1334 | nActivatedPads++; | |
0f4a7374 | 1335 | nPlace[nActivatedPads-1] = nPlace[0] + (3 - 2 * iz) * AliTOFGeometry::NpadX() - 1; |
f73548c4 | 1336 | eff[nActivatedPads-1] = effX * effZ; |
2608880a | 1337 | if (fEdgeEffect==1) |
1338 | (resZ<resX) ? res[nActivatedPads-1] = 0.001 * resX : res[nActivatedPads-1] = 0.001 * resZ; // ns | |
1339 | else if (fEdgeEffect==2) | |
1340 | (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 | 1341 | (timeWalkZ<timeWalkX) ? timeWalk[nActivatedPads-1] = 0.001 * timeWalkZ : timeWalk[nActivatedPads-1] = 0.001 * timeWalkX; // ns |
1342 | ||
1343 | nTail[nActivatedPads-1] = 2; | |
1344 | if (fTimeDelayFlag) { | |
1345 | if (TMath::Abs(x) < TMath::Abs(z)) { | |
1346 | // qInduced[0] = fMinimumCharge * TMath::Exp(fPulseHeightSlope * z / 2.); | |
1347 | // qInduced[nActivatedPads-1] = fMinimumCharge * TMath::Exp(-fPulseHeightSlope * z / 2.); | |
1348 | qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * z); | |
1349 | logOfqInd = gRandom->Gaus(-fPulseHeightSlope * z, fLogChargeSmearing); | |
1350 | } else { | |
1351 | // qInduced[0] = fMinimumCharge * TMath::Exp(fPulseHeightSlope * x / 2.); | |
1352 | // qInduced[nActivatedPads-1] = fMinimumCharge * TMath::Exp(-fPulseHeightSlope * x / 2.); | |
1353 | qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * x); | |
1354 | logOfqInd = gRandom->Gaus(-fPulseHeightSlope * x, fLogChargeSmearing); | |
1355 | } | |
1356 | timeDelay[nActivatedPads-1] = gRandom->Gaus(-fTimeDelaySlope * logOfqInd, fTimeSmearing); | |
1357 | } else { | |
1358 | timeDelay[nActivatedPads-1] = 0.; | |
1359 | } | |
1360 | padId[nActivatedPads-1] = 4; | |
1361 | } | |
1362 | } // end D | |
1363 | } // end C | |
1364 | ||
1365 | // E: | |
0f4a7374 | 1366 | if(ix < AliTOFGeometry::NpadX() && dX > 0) { |
f73548c4 | 1367 | nActivatedPads++; |
1368 | nPlace[nActivatedPads-1] = nPlace[0] + 1; | |
1369 | eff[nActivatedPads-1] = effX; | |
2608880a | 1370 | if (fEdgeEffect==1) |
1371 | res[nActivatedPads-1] = 0.001 * resX; // ns | |
1372 | else if (fEdgeEffect==2) | |
1373 | res[nActivatedPads-1] = 0.001 * (TMath::Sqrt(fAddTRes*fAddTRes + resX * resX)); // ns | |
f73548c4 | 1374 | timeWalk[nActivatedPads-1] = 0.001 * timeWalkX; // ns |
1375 | nTail[nActivatedPads-1] = 2; | |
1376 | if (fTimeDelayFlag) { | |
1377 | // qInduced[0] = fMinimumCharge * TMath::Exp(fPulseHeightSlope * x / 2.); | |
1378 | // qInduced[nActivatedPads-1] = fMinimumCharge * TMath::Exp(-fPulseHeightSlope * x / 2.); | |
1379 | qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * x); | |
1380 | logOfqInd = gRandom->Gaus(-fPulseHeightSlope * x, fLogChargeSmearing); | |
1381 | timeDelay[nActivatedPads-1] = gRandom->Gaus(-fTimeDelaySlope * logOfqInd, fTimeSmearing); | |
1382 | } else { | |
1383 | timeDelay[nActivatedPads-1] = 0.; | |
1384 | } | |
1385 | padId[nActivatedPads-1] = 5; | |
1386 | ||
1387 | ||
1388 | // F: | |
1389 | if(z < k && z > 0) { | |
1390 | if( (iz == 1 && dZ > 0) || (iz == 2 && dZ < 0) ) { | |
1391 | nActivatedPads++; | |
0f4a7374 | 1392 | nPlace[nActivatedPads - 1] = nPlace[0] + (3 - 2 * iz) * AliTOFGeometry::NpadX() + 1; |
f73548c4 | 1393 | eff[nActivatedPads - 1] = effX * effZ; |
2608880a | 1394 | if (fEdgeEffect==1) |
1395 | (resZ<resX) ? res[nActivatedPads-1] = 0.001 * resX : res[nActivatedPads-1] = 0.001 * resZ; // ns | |
1396 | else if (fEdgeEffect==2) | |
1397 | (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 | 1398 | (timeWalkZ<timeWalkX) ? timeWalk[nActivatedPads-1] = 0.001 * timeWalkZ : timeWalk[nActivatedPads-1] = 0.001*timeWalkX; // ns |
1399 | nTail[nActivatedPads-1] = 2; | |
1400 | if (fTimeDelayFlag) { | |
1401 | if (TMath::Abs(x) < TMath::Abs(z)) { | |
1402 | // qInduced[0] = fMinimumCharge * TMath::Exp(fPulseHeightSlope * z / 2.); | |
1403 | // qInduced[nActivatedPads-1] = fMinimumCharge * TMath::Exp(-fPulseHeightSlope * z / 2.); | |
1404 | qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * z); | |
1405 | logOfqInd = gRandom->Gaus(-fPulseHeightSlope * z, fLogChargeSmearing); | |
1406 | } else { | |
1407 | // qInduced[0] = fMinimumCharge * TMath::Exp(fPulseHeightSlope * x / 2.); | |
1408 | // qInduced[nActivatedPads-1] = fMinimumCharge * TMath::Exp(-fPulseHeightSlope * x / 2.); | |
1409 | qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * x); | |
1410 | logOfqInd = gRandom->Gaus(-fPulseHeightSlope * x, fLogChargeSmearing); | |
1411 | } | |
1412 | timeDelay[nActivatedPads-1] = gRandom->Gaus(-fTimeDelaySlope * logOfqInd, fTimeSmearing); | |
1413 | } else { | |
1414 | timeDelay[nActivatedPads-1] = 0.; | |
1415 | } | |
1416 | padId[nActivatedPads-1] = 6; | |
1417 | } | |
1418 | } // end F | |
1419 | } // end E | |
1420 | } // end if(x < k) | |
1421 | ||
1422 | ||
1423 | for (Int_t iPad = 0; iPad < nActivatedPads; iPad++) { | |
3f296ed3 | 1424 | if (fEdgeEffect==2 && res[iPad] < fTimeResolution) res[iPad] = fTimeResolution; |
f73548c4 | 1425 | if(gRandom->Rndm() < eff[iPad]) { |
1426 | isFired[iPad] = kTRUE; | |
1427 | nFiredPads++; | |
1428 | if(fEdgeTails) { | |
1429 | if(nTail[iPad] == 0) { | |
1430 | tofTime[iPad] = gRandom->Gaus(geantTime + timeWalk[iPad] + timeDelay[iPad], res[iPad]); | |
1431 | } else { | |
1432 | ftail->SetParameters(res[iPad], 2. * res[iPad], kSigmaForTail[nTail[iPad]-1]); | |
1433 | Double_t timeAB = ftail->GetRandom(); | |
1434 | tofTime[iPad] = geantTime + timeWalk[iPad] + timeDelay[iPad] + timeAB; | |
1435 | } | |
1436 | } else { | |
3f296ed3 | 1437 | AliDebug(1,Form(" ----------------- TOF time resolution = %f",res[iPad])); |
f73548c4 | 1438 | tofTime[iPad] = gRandom->Gaus(geantTime + timeWalk[iPad] + timeDelay[iPad], res[iPad]); |
1439 | } | |
1440 | if (fAverageTimeFlag) { | |
1441 | averageTime += tofTime[iPad] * qInduced[iPad]; | |
1442 | weightsSum += qInduced[iPad]; | |
1443 | } else { | |
1444 | averageTime += tofTime[iPad]; | |
1445 | weightsSum += 1.; | |
1446 | } | |
1447 | } | |
1448 | } | |
1449 | if (weightsSum!=0) averageTime /= weightsSum; | |
1450 | } // end else (fEdgeEffect != 0) | |
1451 | } | |
1452 | ||
1453 | //__________________________________________________________________ | |
1454 | void AliTOFSDigitizer::PrintParameters()const | |
1455 | { | |
1456 | // | |
1457 | // Print parameters used for sdigitization | |
1458 | // | |
0e46b9ae | 1459 | AliInfo(Form(" ------------------- %s -------------", GetName())); |
1460 | AliInfo(" Parameters used for TOF SDigitization "); | |
f73548c4 | 1461 | // Printing the parameters |
1462 | ||
0e46b9ae | 1463 | AliInfo(Form(" Number of events: %i ", (fEvent2-fEvent1))); |
1464 | AliInfo(Form(" from event %i to event %i", fEvent1, (fEvent2-1))); | |
3f296ed3 | 1465 | AliInfo(Form(" Time Resolution (ps) %f Pad Efficiency: %f ", fTimeResolution, fpadefficiency)); |
0e46b9ae | 1466 | AliInfo(Form(" Edge Effect option: %d", fEdgeEffect)); |
1467 | ||
1468 | AliInfo(" Boundary Effect Simulation Parameters "); | |
4682c56e | 1469 | AliInfo(Form(" Hparameter: %f H2parameter: %f Kparameter: %f K2parameter: %f", fHparameter, fH2parameter, fKparameter, fK2parameter)); |
1470 | AliInfo(Form(" Efficiency in the central region of the pad: %f", fEffCenter)); | |
1471 | AliInfo(Form(" Efficiency at the boundary region of the pad: %f", fEffBoundary)); | |
1472 | AliInfo(Form(" Efficiency value at H2parameter %f", fEff2Boundary)); | |
1473 | AliInfo(Form(" Efficiency value at K2parameter %f", fEff3Boundary)); | |
1474 | AliInfo(Form(" Resolution (ps) in the central region of the pad: %f", fResCenter)); | |
1475 | AliInfo(Form(" Resolution (ps) at the boundary of the pad : %f", fResBoundary)); | |
1476 | AliInfo(Form(" Slope (ps/K) for neighbouring pad : %f", fResSlope)); | |
1477 | AliInfo(Form(" Time walk (ps) in the central region of the pad : %f", fTimeWalkCenter)); | |
1478 | AliInfo(Form(" Time walk (ps) at the boundary of the pad : %f", fTimeWalkBoundary)); | |
1479 | AliInfo(Form(" Slope (ps/K) for neighbouring pad : %f", fTimeWalkSlope)); | |
0e46b9ae | 1480 | AliInfo(" Pulse Heigth Simulation Parameters "); |
1481 | AliInfo(Form(" Flag for delay due to the PulseHeightEffect : %d", fTimeDelayFlag)); | |
4682c56e | 1482 | AliInfo(Form(" Pulse Height Slope : %f", fPulseHeightSlope)); |
1483 | AliInfo(Form(" Time Delay Slope : %f", fTimeDelaySlope)); | |
1484 | AliInfo(Form(" Minimum charge amount which could be induced : %f", fMinimumCharge)); | |
1485 | AliInfo(Form(" Smearing in charge in (q1/q2) vs x plot : %f", fChargeSmearing)); | |
1486 | AliInfo(Form(" Smearing in log of charge ratio : %f", fLogChargeSmearing)); | |
1487 | AliInfo(Form(" Smearing in time in time vs log(q1/q2) plot : %f", fTimeSmearing)); | |
0e46b9ae | 1488 | AliInfo(Form(" Flag for average time : %d", fAverageTimeFlag)); |
1489 | AliInfo(Form(" Edge tails option : %d", fEdgeTails)); | |
f73548c4 | 1490 | |
1491 | } |