]>
Commit | Line | Data |
---|---|---|
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 | |
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 | ||
5c7c93fa | 54 | extern TROOT *gROOT; |
517b7f8f | 55 | |
56 | ClassImp(AliTOFSDigitizer) | |
57 | ||
58 | //____________________________________________________________________________ | |
655e379f | 59 | AliTOFSDigitizer::AliTOFSDigitizer(): |
60 | TTask("TOFSDigitizer",""), | |
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): |
107 | TTask(source), | |
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): |
163 | TTask("TOFSDigitizer",""), | |
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 | } | |
268 | fTOFLoader->PostSDigitizer(this); | |
3f296ed3 | 269 | |
517b7f8f | 270 | } |
271 | ||
272 | //____________________________________________________________________________ | |
d61f73d9 | 273 | AliTOFSDigitizer::~AliTOFSDigitizer() |
517b7f8f | 274 | { |
275 | // dtor | |
797e311f | 276 | fTOFLoader->CleanSDigitizer(); |
d3c7bfac | 277 | |
3f296ed3 | 278 | if (fCalib) delete fCalib; |
279 | ||
f73548c4 | 280 | } |
281 | ||
282 | //____________________________________________________________________________ | |
283 | void AliTOFSDigitizer::InitParameters() | |
284 | { | |
285 | // set parameters for detector simulation | |
d61f73d9 | 286 | |
3f296ed3 | 287 | fCalib->Init(); |
288 | ||
289 | //fTimeResolution = 80.; //120.; OLD | |
290 | AliTOFRecoParam *recoParams = (AliTOFRecoParam*)fCalib->ReadRecParFromCDB("TOF/Calib",fRunLoader->GetRunNumber()); | |
291 | fTimeResolution = recoParams->GetTimeResolution(); // now from OCDB | |
292 | if (fTimeResolution==0.) { | |
293 | AliWarning("In OCDB found 0ps for TOF time resolution. It is set to 100ps."); | |
294 | fTimeResolution = 100.; | |
295 | } | |
296 | AliDebug(1,Form(" TOF time resolution read from OCDB = %f ps",fTimeResolution)); | |
7e6dce66 | 297 | fpadefficiency = 0.99 ; |
3f296ed3 | 298 | //fEdgeEffect = 2 ; // edge effects according to test beam results |
299 | fEdgeEffect = 1 ; // edge effects according to test beam results | |
300 | // but with fixed time resolution, i.e. fTimeResolution | |
f73548c4 | 301 | fEdgeTails = 0 ; |
302 | fHparameter = 0.4 ; | |
303 | fH2parameter = 0.15; | |
304 | fKparameter = 0.5 ; | |
305 | fK2parameter = 0.35; | |
306 | fEffCenter = fpadefficiency; | |
307 | fEffBoundary = 0.65; | |
308 | fEff2Boundary = 0.90; | |
309 | fEff3Boundary = 0.08; | |
8d6daa31 | 310 | fAddTRes = 68. ; // \sqrt{2x20^2 + 15^2 + 2x10^2 + 30^2 + 50^2} (p-p) |
311 | //fAddTRes = 48. ; // \sqrt{2x20^2 + 15^2 + 2x10^2 + 30^2 + 15^2} (Pb-Pb) | |
7e6dce66 | 312 | // 30^2+20^2+40^2+50^2+50^2+50^2 = 10400 ps^2 (very old value) |
313 | fResCenter = 35. ; //50. ; // OLD | |
f73548c4 | 314 | fResBoundary = 70. ; |
7e6dce66 | 315 | fResSlope = 37. ; //40. ; // OLD |
f73548c4 | 316 | fTimeWalkCenter = 0. ; |
317 | fTimeWalkBoundary=0. ; | |
318 | fTimeWalkSlope = 0. ; | |
319 | fTimeDelayFlag = 1 ; | |
320 | fPulseHeightSlope=2.0 ; | |
321 | fTimeDelaySlope =0.060; | |
322 | // was fMinimumCharge = TMath::Exp(fPulseHeightSlope*fKparameter/2.); | |
323 | fMinimumCharge = TMath::Exp(-fPulseHeightSlope*fHparameter); | |
324 | fChargeSmearing=0.0 ; | |
325 | fLogChargeSmearing=0.13; | |
326 | fTimeSmearing =0.022; | |
327 | fAverageTimeFlag=0 ; | |
43f77f2d | 328 | |
d61f73d9 | 329 | fAdcBin = 0.25; // 1 ADC bin = 0.25 pC (or 0.03 pC) |
ea7a588a | 330 | fAdcMean = 50.; // ADC distribution mpv value for Landau (in bins) |
331 | // it corresponds to a mean value of ~100 bins | |
332 | fAdcRms = 25.; // ADC distribution rms value (in bins) | |
333 | // it corresponds to distribution rms ~50 bins | |
f73548c4 | 334 | } |
335 | ||
336 | //__________________________________________________________________ | |
7e8c2e88 | 337 | Double_t TimeWithTail(const Double_t * const x, const Double_t * const par) |
f73548c4 | 338 | { |
339 | // sigma - par[0], alpha - par[1], part - par[2] | |
340 | // at x<part*sigma - gauss | |
341 | // at x>part*sigma - TMath::Exp(-x/alpha) | |
342 | Float_t xx =x[0]; | |
343 | Double_t f; | |
344 | if(xx<par[0]*par[2]) { | |
345 | f = TMath::Exp(-xx*xx/(2*par[0]*par[0])); | |
346 | } else { | |
347 | f = TMath::Exp(-(xx-par[0]*par[2])/par[1]-0.5*par[2]*par[2]); | |
348 | } | |
349 | return f; | |
517b7f8f | 350 | } |
351 | ||
352 | //____________________________________________________________________________ | |
d61f73d9 | 353 | void AliTOFSDigitizer::Exec(Option_t *verboseOption) { |
340693af | 354 | //execute TOF sdigitization |
d61f73d9 | 355 | if (strstr(verboseOption,"tim") || strstr(verboseOption,"all")) |
ea7a588a | 356 | gBenchmark->Start("TOFSDigitizer"); |
517b7f8f | 357 | |
ea7a588a | 358 | if (fEdgeTails) ftail = new TF1("tail",TimeWithTail,-2,2,3); |
d61f73d9 | 359 | |
ea7a588a | 360 | Int_t nselectedHits=0; |
361 | Int_t ntotalsdigits=0; | |
362 | Int_t ntotalupdates=0; | |
363 | Int_t nnoisesdigits=0; | |
364 | Int_t nsignalsdigits=0; | |
365 | Int_t nHitsFromPrim=0; | |
366 | Int_t nHitsFromSec=0; | |
367 | Int_t nlargeTofDiff=0; | |
f73548c4 | 368 | |
da3d3acd | 369 | Bool_t thereIsNotASelection=(fSelectedSector==-1) && (fSelectedPlate==-1); |
55991c8b | 370 | |
f540341d | 371 | if (fRunLoader->GetAliRun() == 0x0) fRunLoader->LoadgAlice(); |
d61f73d9 | 372 | gAlice = fRunLoader->GetAliRun(); |
ea7a588a | 373 | |
d61f73d9 | 374 | fRunLoader->LoadKinematics(); |
375 | ||
7e6dce66 | 376 | AliTOF *tof = (AliTOF *) gAlice->GetDetector("TOF"); |
d61f73d9 | 377 | |
7e6dce66 | 378 | if (!tof) { |
d076c8d5 | 379 | AliError("TOF not found"); |
d61f73d9 | 380 | return; |
381 | } | |
3f296ed3 | 382 | |
d61f73d9 | 383 | fTOFLoader->LoadHits("read"); |
384 | fTOFLoader->LoadSDigits("recreate"); | |
3495d79c | 385 | |
386 | Int_t vol[5]={-1,-1,-1,-1,-1}; // location for a digit | |
387 | Int_t digit[2]={0,0}; // TOF digit variables | |
d61f73d9 | 388 | |
3495d79c | 389 | Int_t nselectedHitsinEv=0; |
390 | Int_t ntotalsdigitsinEv=0; | |
391 | Int_t ntotalupdatesinEv=0; | |
392 | Int_t nnoisesdigitsinEv=0; | |
393 | Int_t nsignalsdigitsinEv=0; | |
394 | ||
d61f73d9 | 395 | for (Int_t iEvent=fEvent1; iEvent<fEvent2; iEvent++) { |
0e46b9ae | 396 | //AliInfo(Form("------------------- %s -------------", GetName())); |
397 | //AliInfo(Form("Sdigitizing event %i", iEvent)); | |
517b7f8f | 398 | |
d61f73d9 | 399 | fRunLoader->GetEvent(iEvent); |
400 | ||
3495d79c | 401 | TTree *hitTree = fTOFLoader->TreeH(); |
7e6dce66 | 402 | if (!hitTree) return; |
517b7f8f | 403 | |
d61f73d9 | 404 | if (fTOFLoader->TreeS () == 0) fTOFLoader->MakeTree ("S"); |
405 | ||
5919c40c | 406 | //Make branch for digits |
7e6dce66 | 407 | tof->MakeBranch("S"); |
517b7f8f | 408 | |
d61f73d9 | 409 | // recreate TClonesArray fSDigits - for backward compatibility |
7e6dce66 | 410 | if (tof->SDigits() == 0) { |
411 | tof->CreateSDigitsArray(); | |
d61f73d9 | 412 | } else { |
7e6dce66 | 413 | tof->RecreateSDigitsArray(); |
d61f73d9 | 414 | } |
5919c40c | 415 | |
7e6dce66 | 416 | tof->SetTreeAddress(); |
87e54ebb | 417 | |
7e6dce66 | 418 | Int_t version=tof->IsVersion(); |
d61f73d9 | 419 | |
3495d79c | 420 | nselectedHitsinEv=0; |
421 | ntotalsdigitsinEv=0; | |
422 | ntotalupdatesinEv=0; | |
423 | nnoisesdigitsinEv=0; | |
424 | nsignalsdigitsinEv=0; | |
016e1f91 | 425 | |
5919c40c | 426 | TParticle *particle; |
016e1f91 | 427 | //AliTOFhit *tofHit; |
7e6dce66 | 428 | TClonesArray *tofHitArray = tof->Hits(); |
5919c40c | 429 | |
f73548c4 | 430 | // create hit map |
3495d79c | 431 | //AliTOFHitMap *hitMap = new AliTOFHitMap(tof->SDigits(), fTOFGeometry); |
96f01799 | 432 | AliTOFHitMap *hitMap = new AliTOFHitMap(tof->SDigits()); |
5919c40c | 433 | |
7e6dce66 | 434 | TBranch * tofHitsBranch = hitTree->GetBranch("TOF"); |
bfec09a6 | 435 | |
7e6dce66 | 436 | Int_t ntracks = static_cast<Int_t>(hitTree->GetEntries()); |
5919c40c | 437 | for (Int_t track = 0; track < ntracks; track++) |
438 | { | |
3e2e3ece | 439 | gAlice->GetMCApp()->ResetHits(); |
d7ccea72 | 440 | tofHitsBranch->GetEvent(track); |
0e46b9ae | 441 | |
442 | AliMC *mcApplication = (AliMC*)gAlice->GetMCApp(); | |
443 | ||
3495d79c | 444 | particle = (TParticle*)mcApplication->Particle(track); |
7e6dce66 | 445 | Int_t nhits = tofHitArray->GetEntriesFast(); |
f73548c4 | 446 | // cleaning all hits of the same track in the same pad volume |
447 | // it is a rare event, however it happens | |
448 | ||
d61f73d9 | 449 | Int_t previousTrack =-1; |
450 | Int_t previousSector=-1; | |
451 | Int_t previousPlate =-1; | |
452 | Int_t previousStrip =-1; | |
453 | Int_t previousPadX =-1; | |
454 | Int_t previousPadZ =-1; | |
5919c40c | 455 | |
d61f73d9 | 456 | for (Int_t hit = 0; hit < nhits; hit++) { |
3495d79c | 457 | for (Int_t aa=0; aa<5;aa++) vol[aa]=-1; // location for a digit |
458 | for (Int_t aa=0; aa<2;aa++) digit[aa]=0; // TOF digit variables | |
459 | Int_t tracknum; | |
7e6dce66 | 460 | Float_t dxPad; |
461 | Float_t dzPad; | |
016e1f91 | 462 | Float_t geantTime; |
463 | ||
464 | // fp: really sorry for this, it is a temporary trick to have | |
465 | // track length too | |
dfef1a15 | 466 | if (version<6) { //(version!=6 && version!=7) |
7e6dce66 | 467 | AliTOFhit *tofHit = (AliTOFhit *) tofHitArray->UncheckedAt(hit); |
016e1f91 | 468 | tracknum = tofHit->GetTrack(); |
469 | vol[0] = tofHit->GetSector(); | |
470 | vol[1] = tofHit->GetPlate(); | |
471 | vol[2] = tofHit->GetStrip(); | |
472 | vol[3] = tofHit->GetPadx(); | |
473 | vol[4] = tofHit->GetPadz(); | |
7e6dce66 | 474 | dxPad = tofHit->GetDx(); |
475 | dzPad = tofHit->GetDz(); | |
3f296ed3 | 476 | geantTime = tofHit->GetTof(); // unit [s] // already corrected per event_time smearing |
016e1f91 | 477 | } else { |
7e6dce66 | 478 | AliTOFhitT0 *tofHit = (AliTOFhitT0 *) tofHitArray->UncheckedAt(hit); |
016e1f91 | 479 | tracknum = tofHit->GetTrack(); |
480 | vol[0] = tofHit->GetSector(); | |
481 | vol[1] = tofHit->GetPlate(); | |
55991c8b | 482 | vol[2] = tofHit->GetStrip(); |
483 | vol[3] = tofHit->GetPadx(); | |
484 | vol[4] = tofHit->GetPadz(); | |
7e6dce66 | 485 | dxPad = tofHit->GetDx(); |
486 | dzPad = tofHit->GetDz(); | |
3f296ed3 | 487 | geantTime = tofHit->GetTof(); // unit [s] // already corrected per event_time_smearing |
016e1f91 | 488 | } |
d61f73d9 | 489 | |
016e1f91 | 490 | geantTime *= 1.e+09; // conversion from [s] to [ns] |
4d1c7395 | 491 | // TOF matching window (~200ns) control |
492 | if (geantTime>=AliTOFGeometry::MatchingWindow()*1E-3) { | |
493 | AliDebug(2,Form("Time measurement (%f) greater than the matching window (%f)", | |
494 | geantTime, AliTOFGeometry::MatchingWindow()*1E-3)); | |
495 | continue; | |
496 | } | |
c630773f | 497 | |
016e1f91 | 498 | // selection case for sdigitizing only hits in a given plate of a given sector |
499 | if(thereIsNotASelection || (vol[0]==fSelectedSector && vol[1]==fSelectedPlate)){ | |
55991c8b | 500 | |
501 | Bool_t dummy=((tracknum==previousTrack) && (vol[0]==previousSector) && (vol[1]==previousPlate) && (vol[2]==previousStrip)); | |
502 | ||
503 | Bool_t isCloneOfThePrevious=dummy && ((vol[3]==previousPadX) && (vol[4]==previousPadZ)); | |
504 | ||
b213b8bd | 505 | 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 | 506 | |
b213b8bd | 507 | if(!isCloneOfThePrevious && !isNeighOfThePrevious){ |
55991c8b | 508 | // update "previous" values |
509 | // in fact, we are yet in the future, so the present is past | |
510 | previousTrack=tracknum; | |
511 | previousSector=vol[0]; | |
512 | previousPlate=vol[1]; | |
513 | previousStrip=vol[2]; | |
514 | previousPadX=vol[3]; | |
515 | previousPadZ=vol[4]; | |
516 | ||
517 | nselectedHits++; | |
518 | nselectedHitsinEv++; | |
d61f73d9 | 519 | if (particle->GetFirstMother() < 0) nHitsFromPrim++; // counts hits due to primary particles |
55991c8b | 520 | |
7e6dce66 | 521 | Float_t xStrip=AliTOFGeometry::XPad()*(vol[3]+0.5-0.5*AliTOFGeometry::NpadX())+dxPad; |
522 | Float_t zStrip=AliTOFGeometry::ZPad()*(vol[4]+0.5-0.5*AliTOFGeometry::NpadZ())+dzPad; | |
016e1f91 | 523 | |
55991c8b | 524 | Int_t nActivatedPads = 0, nFiredPads = 0; |
525 | Bool_t isFired[4] = {kFALSE, kFALSE, kFALSE, kFALSE}; | |
526 | Float_t tofAfterSimul[4] = {0., 0., 0., 0.}; | |
527 | Float_t qInduced[4] = {0.,0.,0.,0.}; | |
528 | Int_t nPlace[4] = {0, 0, 0, 0}; | |
529 | Float_t averageTime = 0.; | |
530 | SimulateDetectorResponse(zStrip,xStrip,geantTime,nActivatedPads,nFiredPads,isFired,nPlace,qInduced,tofAfterSimul,averageTime); | |
531 | if(nFiredPads) { | |
532 | for(Int_t indexOfPad=0; indexOfPad<nActivatedPads; indexOfPad++) { | |
533 | if(isFired[indexOfPad]){ // the pad has fired | |
534 | Float_t timediff=geantTime-tofAfterSimul[indexOfPad]; | |
5ab3605a | 535 | |
c630773f | 536 | // TOF matching window (~200ns) control |
537 | if (tofAfterSimul[indexOfPad]>=AliTOFGeometry::MatchingWindow()*1E-3) { | |
4d1c7395 | 538 | AliDebug(2,Form("Time measurement (%f) greater than the matching window (%f)", |
c630773f | 539 | tofAfterSimul[indexOfPad], AliTOFGeometry::MatchingWindow()*1E-3)); |
540 | continue; | |
541 | } | |
542 | ||
543 | if(timediff>=0.2) nlargeTofDiff++; // greater than 200ps | |
55991c8b | 544 | |
845fe446 | 545 | digit[0] = (Int_t) ((tofAfterSimul[indexOfPad]*1.e+03)/AliTOFGeometry::TdcBinWidth()); // TDC bin number (each bin -> 24.4 ps) |
55991c8b | 546 | |
547 | Float_t landauFactor = gRandom->Landau(fAdcMean, fAdcRms); | |
548 | digit[1] = (Int_t) (qInduced[indexOfPad] * landauFactor); // ADC bins (each bin -> 0.25 (or 0.03) pC) | |
d61f73d9 | 549 | |
55991c8b | 550 | // recalculate the volume only for neighbouring pads |
ea7a588a | 551 | if(indexOfPad){ |
0f4a7374 | 552 | (nPlace[indexOfPad]<=AliTOFGeometry::NpadX()) ? vol[4] = 0 : vol[4] = 1; |
553 | (nPlace[indexOfPad]<=AliTOFGeometry::NpadX()) ? vol[3] = nPlace[indexOfPad] - 1 : vol[3] = nPlace[indexOfPad] - AliTOFGeometry::NpadX() - 1; | |
ea7a588a | 554 | } |
d61f73d9 | 555 | // check if two sdigit are on the same pad; |
556 | // in that case we sum the two or more sdigits | |
55991c8b | 557 | if (hitMap->TestHit(vol) != kEmpty) { |
558 | AliTOFSDigit *sdig = static_cast<AliTOFSDigit*>(hitMap->GetHit(vol)); | |
559 | Int_t tdctime = (Int_t) digit[0]; | |
560 | Int_t adccharge = (Int_t) digit[1]; | |
43f77f2d | 561 | sdig->Update(AliTOFGeometry::TdcBinWidth(),tdctime,adccharge,tracknum); |
55991c8b | 562 | ntotalupdatesinEv++; |
563 | ntotalupdates++; | |
564 | } else { | |
565 | ||
7e6dce66 | 566 | tof->AddSDigit(tracknum, vol, digit); |
55991c8b | 567 | |
568 | if(indexOfPad){ | |
569 | nnoisesdigits++; | |
570 | nnoisesdigitsinEv++; | |
571 | } else { | |
572 | nsignalsdigits++; | |
573 | nsignalsdigitsinEv++; | |
574 | } | |
575 | ntotalsdigitsinEv++; | |
576 | ntotalsdigits++; | |
577 | hitMap->SetHit(vol); | |
578 | } // if (hitMap->TestHit(vol) != kEmpty) | |
579 | } // if(isFired[indexOfPad]) | |
580 | } // end loop on nActivatedPads | |
581 | } // if(nFiredPads) i.e. if some pads has fired | |
582 | } // close if(!isCloneOfThePrevious) | |
583 | } // close the selection on sector and plate | |
5919c40c | 584 | } // end loop on hits for the current track |
585 | } // end loop on ntracks | |
55991c8b | 586 | |
5919c40c | 587 | delete hitMap; |
d61f73d9 | 588 | |
589 | fTOFLoader->TreeS()->Reset(); | |
590 | fTOFLoader->TreeS()->Fill(); | |
591 | fTOFLoader->WriteSDigits("OVERWRITE"); | |
592 | ||
7e6dce66 | 593 | if (tof->SDigits()) tof->ResetSDigits(); |
d61f73d9 | 594 | |
4d1c7395 | 595 | if (strstr(verboseOption,"all") || strstr(verboseOption,"partial")) { |
596 | AliDebug(2,"----------------------------------------"); | |
597 | AliDebug(2,Form("After sdigitizing %d hits in event %d", nselectedHitsinEv, iEvent)); | |
ea7a588a | 598 | //" (" << nHitsFromPrim << " from primaries and " << nHitsFromSec << " from secondaries) TOF hits, " |
fda219f1 | 599 | AliDebug(1,Form("%d sdigits have been created", ntotalsdigitsinEv)); |
4d1c7395 | 600 | AliDebug(2,Form("(%d due to signals and %d due to border effect)", nsignalsdigitsinEv, nnoisesdigitsinEv)); |
601 | AliDebug(2,Form("%d total updates of the hit map have been performed in current event", ntotalupdatesinEv)); | |
602 | AliDebug(2,"----------------------------------------"); | |
ea7a588a | 603 | } |
604 | ||
605 | } //event loop on events | |
606 | ||
d61f73d9 | 607 | fTOFLoader->UnloadSDigits(); |
608 | fTOFLoader->UnloadHits(); | |
609 | fRunLoader->UnloadKinematics(); | |
e615b5b5 | 610 | //fRunLoader->UnloadgAlice(); |
d61f73d9 | 611 | |
ea7a588a | 612 | // free used memory |
613 | if (ftail){ | |
614 | delete ftail; | |
615 | ftail = 0; | |
616 | } | |
617 | ||
618 | nHitsFromSec=nselectedHits-nHitsFromPrim; | |
4d1c7395 | 619 | if (strstr(verboseOption,"all") || strstr(verboseOption,"partial")) { |
620 | AliDebug(2,"----------------------------------------"); | |
621 | AliDebug(2,Form("After sdigitizing %d hits in %d events ", nselectedHits, fEvent2-fEvent1)); | |
622 | //" (" << nHitsFromPrim << " from primaries and " << nHitsFromSec << " from secondaries) TOF hits, " | |
623 | AliDebug(2,Form("%d sdigits have been created", ntotalsdigits)); | |
624 | AliDebug(2,Form("(%d due to signals and %d due to border effect)", nsignalsdigits, nnoisesdigits)); | |
625 | AliDebug(2,Form("%d total updates of the hit map have been performed", ntotalupdates)); | |
626 | AliDebug(2,Form("in %d cases the time of flight difference is greater than 200 ps", nlargeTofDiff)); | |
627 | AliDebug(2,"----------------------------------------"); | |
ea7a588a | 628 | } |
629 | ||
517b7f8f | 630 | |
ea7a588a | 631 | if(strstr(verboseOption,"tim") || strstr(verboseOption,"all")){ |
632 | gBenchmark->Stop("TOFSDigitizer"); | |
d076c8d5 | 633 | AliInfo("AliTOFSDigitizer:"); |
634 | AliInfo(Form(" took %f seconds in order to make sdigits " | |
635 | "%f seconds per event", gBenchmark->GetCpuTime("TOFSDigitizer"), gBenchmark->GetCpuTime("TOFSDigitizer")/(fEvent2-fEvent1))); | |
636 | AliInfo(" +++++++++++++++++++++++++++++++++++++++++++++++++++ "); | |
ea7a588a | 637 | } |
517b7f8f | 638 | |
639 | } | |
ea7a588a | 640 | |
517b7f8f | 641 | //__________________________________________________________________ |
5c016a7b | 642 | void AliTOFSDigitizer::Print(Option_t* /*opt*/)const |
517b7f8f | 643 | { |
0e46b9ae | 644 | AliInfo(Form(" ------------------- %s ------------- ", GetName())); |
517b7f8f | 645 | } |
f73548c4 | 646 | |
55991c8b | 647 | //__________________________________________________________________ |
648 | void AliTOFSDigitizer::SelectSectorAndPlate(Int_t sector, Int_t plate) | |
649 | { | |
340693af | 650 | //Select sector and plate |
0f4a7374 | 651 | Bool_t isaWrongSelection=(sector < 0) || (sector >= AliTOFGeometry::NSectors()) || (plate < 0) || (plate >= AliTOFGeometry::NPlates()); |
55991c8b | 652 | if(isaWrongSelection){ |
d076c8d5 | 653 | AliError("You have selected an invalid value for sector or plate "); |
654 | AliError(Form("The correct range for sector is [0,%d]", AliTOFGeometry::NSectors()-1)); | |
655 | AliError(Form("The correct range for plate is [0,%d]", AliTOFGeometry::NPlates()-1)); | |
656 | AliError("By default we continue sdigitizing all hits in all plates of all sectors"); | |
55991c8b | 657 | } else { |
658 | fSelectedSector=sector; | |
659 | fSelectedPlate =plate; | |
d076c8d5 | 660 | AliInfo(Form("SDigitizing only hits in plate %d of the sector %d", fSelectedPlate, fSelectedSector)); |
55991c8b | 661 | } |
662 | } | |
663 | ||
f73548c4 | 664 | //__________________________________________________________________ |
665 | 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) | |
666 | { | |
667 | // Description: | |
668 | // Input: z0, x0 - hit position in the strip system (0,0 - center of the strip), cm | |
669 | // geantTime - time generated by Geant, ns | |
670 | // Output: nActivatedPads - the number of pads activated by the hit (1 || 2 || 4) | |
671 | // nFiredPads - the number of pads fired (really activated) by the hit (nFiredPads <= nActivatedPads) | |
672 | // qInduced[iPad]- charge induced on pad, arb. units | |
673 | // this array is initialized at zero by the caller | |
674 | // tofAfterSimul[iPad] - time calculated with edge effect algorithm, ns | |
675 | // this array is initialized at zero by the caller | |
676 | // 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. | |
677 | // The weight is given by the qInduced[iPad]/qCenterPad | |
678 | // this variable is initialized at zero by the caller | |
679 | // nPlace[iPad] - the number of the pad place, iPad = 0, 1, 2, 3 | |
680 | // this variable is initialized at zero by the caller | |
681 | // | |
682 | // Description of used variables: | |
683 | // eff[iPad] - efficiency of the pad | |
684 | // res[iPad] - resolution of the pad, ns | |
685 | // timeWalk[iPad] - time walk of the pad, ns | |
686 | // timeDelay[iPad] - time delay for neighbouring pad to hited pad, ns | |
687 | // PadId[iPad] - Pad Identifier | |
688 | // E | F --> PadId[iPad] = 5 | 6 | |
689 | // A | B --> PadId[iPad] = 1 | 2 | |
690 | // C | D --> PadId[iPad] = 3 | 4 | |
691 | // nTail[iPad] - the tail number, = 1 for tailA, = 2 for tailB | |
692 | // qCenterPad - charge extimated for each pad, arb. units | |
693 | // weightsSum - sum of weights extimated for each pad fired, arb. units | |
694 | ||
0f4a7374 | 695 | const Float_t kSigmaForTail[2] = {AliTOFGeometry::SigmaForTail1(),AliTOFGeometry::SigmaForTail2()}; //for tail |
f73548c4 | 696 | Int_t iz = 0, ix = 0; |
697 | Float_t dX = 0., dZ = 0., x = 0., z = 0.; | |
698 | Float_t h = fHparameter, h2 = fH2parameter, k = fKparameter, k2 = fK2parameter; | |
699 | Float_t effX = 0., effZ = 0., resX = 0., resZ = 0., timeWalkX = 0., timeWalkZ = 0.; | |
700 | Float_t logOfqInd = 0.; | |
701 | Float_t weightsSum = 0.; | |
702 | Int_t nTail[4] = {0,0,0,0}; | |
703 | Int_t padId[4] = {0,0,0,0}; | |
704 | Float_t eff[4] = {0.,0.,0.,0.}; | |
705 | Float_t res[4] = {0.,0.,0.,0.}; | |
706 | // Float_t qCenterPad = fMinimumCharge * fMinimumCharge; | |
707 | Float_t qCenterPad = 1.; | |
708 | Float_t timeWalk[4] = {0.,0.,0.,0.}; | |
709 | Float_t timeDelay[4] = {0.,0.,0.,0.}; | |
710 | ||
711 | nActivatedPads = 0; | |
712 | nFiredPads = 0; | |
713 | ||
714 | (z0 <= 0) ? iz = 0 : iz = 1; | |
0f4a7374 | 715 | dZ = z0 + (0.5 * AliTOFGeometry::NpadZ() - iz - 0.5) * AliTOFGeometry::ZPad(); // hit position in the pad frame, (0,0) - center of the pad |
716 | z = 0.5 * AliTOFGeometry::ZPad() - TMath::Abs(dZ); // variable for eff., res. and timeWalk. functions | |
717 | iz++; // z row: 1, ..., AliTOFGeometry::NpadZ = 2 | |
718 | ix = (Int_t)((x0 + 0.5 * AliTOFGeometry::NpadX() * AliTOFGeometry::XPad()) / AliTOFGeometry::XPad()); | |
719 | dX = x0 + (0.5 * AliTOFGeometry::NpadX() - ix - 0.5) * AliTOFGeometry::XPad(); // hit position in the pad frame, (0,0) - center of the pad | |
720 | x = 0.5 * AliTOFGeometry::XPad() - TMath::Abs(dX); // variable for eff., res. and timeWalk. functions; | |
721 | ix++; // x row: 1, ..., AliTOFGeometry::NpadX = 48 | |
f73548c4 | 722 | |
723 | ////// Pad A: | |
724 | nActivatedPads++; | |
0f4a7374 | 725 | nPlace[nActivatedPads-1] = (iz - 1) * AliTOFGeometry::NpadX() + ix; |
f73548c4 | 726 | qInduced[nActivatedPads-1] = qCenterPad; |
727 | padId[nActivatedPads-1] = 1; | |
728 | ||
729 | if (fEdgeEffect == 0) { | |
730 | eff[nActivatedPads-1] = fEffCenter; | |
731 | if (gRandom->Rndm() < eff[nActivatedPads-1]) { | |
732 | nFiredPads = 1; | |
7e6dce66 | 733 | res[nActivatedPads-1] = 0.001 * TMath::Sqrt(fAddTRes*fAddTRes + fResCenter * fResCenter); // ns |
f73548c4 | 734 | isFired[nActivatedPads-1] = kTRUE; |
735 | tofTime[nActivatedPads-1] = gRandom->Gaus(geantTime + fTimeWalkCenter, res[0]); | |
736 | averageTime = tofTime[nActivatedPads-1]; | |
737 | } | |
3f296ed3 | 738 | } else { // if (fEdgeEffet!=0) |
739 | ||
f73548c4 | 740 | if(z < h) { |
741 | if(z < h2) { | |
742 | effZ = fEffBoundary + (fEff2Boundary - fEffBoundary) * z / h2; | |
743 | } else { | |
744 | effZ = fEff2Boundary + (fEffCenter - fEff2Boundary) * (z - h2) / (h - h2); | |
745 | } | |
3f296ed3 | 746 | if (fEdgeEffect==1) |
747 | resZ = fTimeResolution; | |
748 | else if (fEdgeEffect==2) | |
749 | resZ = fResBoundary + (fResCenter - fResBoundary) * z / h; | |
f73548c4 | 750 | timeWalkZ = fTimeWalkBoundary + (fTimeWalkCenter - fTimeWalkBoundary) * z / h; |
751 | nTail[nActivatedPads-1] = 1; | |
752 | } else { | |
753 | effZ = fEffCenter; | |
3f296ed3 | 754 | if (fEdgeEffect==1) |
755 | resZ = fTimeResolution; | |
756 | else if (fEdgeEffect==2) | |
757 | resZ = fResCenter; | |
f73548c4 | 758 | timeWalkZ = fTimeWalkCenter; |
759 | } | |
760 | ||
761 | if(x < h) { | |
762 | if(x < h2) { | |
763 | effX = fEffBoundary + (fEff2Boundary - fEffBoundary) * x / h2; | |
764 | } else { | |
765 | effX = fEff2Boundary + (fEffCenter - fEff2Boundary) * (x - h2) / (h - h2); | |
766 | } | |
3f296ed3 | 767 | if (fEdgeEffect==1) |
768 | resX = fTimeResolution; | |
769 | else if (fEdgeEffect==2) | |
770 | resX = fResBoundary + (fResCenter - fResBoundary) * x / h; | |
f73548c4 | 771 | timeWalkX = fTimeWalkBoundary + (fTimeWalkCenter - fTimeWalkBoundary) * x / h; |
772 | nTail[nActivatedPads-1] = 1; | |
773 | } else { | |
774 | effX = fEffCenter; | |
3f296ed3 | 775 | if (fEdgeEffect==1) |
776 | resX = fTimeResolution; | |
777 | else if (fEdgeEffect==2) | |
778 | resX = fResCenter; | |
f73548c4 | 779 | timeWalkX = fTimeWalkCenter; |
780 | } | |
781 | ||
782 | (effZ<effX) ? eff[nActivatedPads-1] = effZ : eff[nActivatedPads-1] = effX; | |
7e6dce66 | 783 | (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 | 784 | (timeWalkZ<timeWalkX) ? timeWalk[nActivatedPads-1] = 0.001 * timeWalkZ : timeWalk[nActivatedPads-1] = 0.001 * timeWalkX; // ns |
785 | ||
786 | ||
787 | ////// Pad B: | |
788 | if(z < k2) { | |
789 | effZ = fEffBoundary - (fEffBoundary - fEff3Boundary) * (z / k2); | |
790 | } else { | |
791 | effZ = fEff3Boundary * (k - z) / (k - k2); | |
792 | } | |
3f296ed3 | 793 | if (fEdgeEffect==1) |
794 | resZ = fTimeResolution; | |
795 | else if (fEdgeEffect==2) | |
796 | resZ = fResBoundary + fResSlope * z / k; | |
f73548c4 | 797 | timeWalkZ = fTimeWalkBoundary + fTimeWalkSlope * z / k; |
798 | ||
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(); |
f73548c4 | 803 | eff[nActivatedPads-1] = effZ; |
7e6dce66 | 804 | res[nActivatedPads-1] = 0.001 * TMath::Sqrt(fAddTRes*fAddTRes + resZ * resZ); // ns |
f73548c4 | 805 | timeWalk[nActivatedPads-1] = 0.001 * timeWalkZ; // ns |
806 | nTail[nActivatedPads-1] = 2; | |
807 | if (fTimeDelayFlag) { | |
808 | // qInduced[0] = fMinimumCharge * TMath::Exp(fPulseHeightSlope * z / 2.); | |
809 | // qInduced[nActivatedPads-1] = fMinimumCharge * TMath::Exp(-fPulseHeightSlope * z / 2.); | |
810 | qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * z); | |
811 | logOfqInd = gRandom->Gaus(-fPulseHeightSlope * z, fLogChargeSmearing); | |
812 | timeDelay[nActivatedPads-1] = gRandom->Gaus(-fTimeDelaySlope * logOfqInd, fTimeSmearing); | |
813 | } else { | |
814 | timeDelay[nActivatedPads-1] = 0.; | |
815 | } | |
816 | padId[nActivatedPads-1] = 2; | |
817 | } | |
818 | } | |
819 | ||
820 | ||
821 | ////// Pad C, D, E, F: | |
822 | if(x < k2) { | |
823 | effX = fEffBoundary - (fEffBoundary - fEff3Boundary) * (x / k2); | |
824 | } else { | |
825 | effX = fEff3Boundary * (k - x) / (k - k2); | |
826 | } | |
3f296ed3 | 827 | if (fEdgeEffect==1) |
828 | resX = fTimeResolution; | |
829 | else if (fEdgeEffect==2) | |
830 | resX = fResBoundary + fResSlope*x/k; | |
f73548c4 | 831 | timeWalkX = fTimeWalkBoundary + fTimeWalkSlope*x/k; |
832 | ||
833 | if(x < k && x > 0) { | |
834 | // C: | |
835 | if(ix > 1 && dX < 0) { | |
836 | nActivatedPads++; | |
837 | nPlace[nActivatedPads-1] = nPlace[0] - 1; | |
838 | eff[nActivatedPads-1] = effX; | |
7e6dce66 | 839 | res[nActivatedPads-1] = 0.001 * TMath::Sqrt(fAddTRes*fAddTRes + resX * resX); // ns |
f73548c4 | 840 | timeWalk[nActivatedPads-1] = 0.001 * timeWalkX; // ns |
841 | nTail[nActivatedPads-1] = 2; | |
842 | if (fTimeDelayFlag) { | |
843 | // qInduced[0] = fMinimumCharge * TMath::Exp(fPulseHeightSlope * x / 2.); | |
844 | // qInduced[nActivatedPads-1] = fMinimumCharge * TMath::Exp(-fPulseHeightSlope * x / 2.); | |
845 | qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * x); | |
846 | logOfqInd = gRandom->Gaus(-fPulseHeightSlope * x, fLogChargeSmearing); | |
847 | timeDelay[nActivatedPads-1] = gRandom->Gaus(-fTimeDelaySlope * logOfqInd, fTimeSmearing); | |
848 | } else { | |
849 | timeDelay[nActivatedPads-1] = 0.; | |
850 | } | |
851 | padId[nActivatedPads-1] = 3; | |
852 | ||
853 | // D: | |
854 | if(z < k && z > 0) { | |
855 | if( (iz == 1 && dZ > 0) || (iz == 2 && dZ < 0) ) { | |
856 | nActivatedPads++; | |
0f4a7374 | 857 | nPlace[nActivatedPads-1] = nPlace[0] + (3 - 2 * iz) * AliTOFGeometry::NpadX() - 1; |
f73548c4 | 858 | eff[nActivatedPads-1] = effX * effZ; |
7e6dce66 | 859 | (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 | 860 | (timeWalkZ<timeWalkX) ? timeWalk[nActivatedPads-1] = 0.001 * timeWalkZ : timeWalk[nActivatedPads-1] = 0.001 * timeWalkX; // ns |
861 | ||
862 | nTail[nActivatedPads-1] = 2; | |
863 | if (fTimeDelayFlag) { | |
864 | if (TMath::Abs(x) < TMath::Abs(z)) { | |
865 | // qInduced[0] = fMinimumCharge * TMath::Exp(fPulseHeightSlope * z / 2.); | |
866 | // qInduced[nActivatedPads-1] = fMinimumCharge * TMath::Exp(-fPulseHeightSlope * z / 2.); | |
867 | qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * z); | |
868 | logOfqInd = gRandom->Gaus(-fPulseHeightSlope * z, fLogChargeSmearing); | |
869 | } else { | |
870 | // qInduced[0] = fMinimumCharge * TMath::Exp(fPulseHeightSlope * x / 2.); | |
871 | // qInduced[nActivatedPads-1] = fMinimumCharge * TMath::Exp(-fPulseHeightSlope * x / 2.); | |
872 | qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * x); | |
873 | logOfqInd = gRandom->Gaus(-fPulseHeightSlope * x, fLogChargeSmearing); | |
874 | } | |
875 | timeDelay[nActivatedPads-1] = gRandom->Gaus(-fTimeDelaySlope * logOfqInd, fTimeSmearing); | |
876 | } else { | |
877 | timeDelay[nActivatedPads-1] = 0.; | |
878 | } | |
879 | padId[nActivatedPads-1] = 4; | |
880 | } | |
881 | } // end D | |
882 | } // end C | |
883 | ||
884 | // E: | |
0f4a7374 | 885 | if(ix < AliTOFGeometry::NpadX() && dX > 0) { |
f73548c4 | 886 | nActivatedPads++; |
887 | nPlace[nActivatedPads-1] = nPlace[0] + 1; | |
888 | eff[nActivatedPads-1] = effX; | |
7e6dce66 | 889 | res[nActivatedPads-1] = 0.001 * (TMath::Sqrt(fAddTRes*fAddTRes + resX * resX)); // ns |
f73548c4 | 890 | timeWalk[nActivatedPads-1] = 0.001 * timeWalkX; // ns |
891 | nTail[nActivatedPads-1] = 2; | |
892 | if (fTimeDelayFlag) { | |
893 | // qInduced[0] = fMinimumCharge * TMath::Exp(fPulseHeightSlope * x / 2.); | |
894 | // qInduced[nActivatedPads-1] = fMinimumCharge * TMath::Exp(-fPulseHeightSlope * x / 2.); | |
895 | qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * x); | |
896 | logOfqInd = gRandom->Gaus(-fPulseHeightSlope * x, fLogChargeSmearing); | |
897 | timeDelay[nActivatedPads-1] = gRandom->Gaus(-fTimeDelaySlope * logOfqInd, fTimeSmearing); | |
898 | } else { | |
899 | timeDelay[nActivatedPads-1] = 0.; | |
900 | } | |
901 | padId[nActivatedPads-1] = 5; | |
902 | ||
903 | ||
904 | // F: | |
905 | if(z < k && z > 0) { | |
906 | if( (iz == 1 && dZ > 0) || (iz == 2 && dZ < 0) ) { | |
907 | nActivatedPads++; | |
0f4a7374 | 908 | nPlace[nActivatedPads - 1] = nPlace[0] + (3 - 2 * iz) * AliTOFGeometry::NpadX() + 1; |
f73548c4 | 909 | eff[nActivatedPads - 1] = effX * effZ; |
7e6dce66 | 910 | (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 | 911 | (timeWalkZ<timeWalkX) ? timeWalk[nActivatedPads-1] = 0.001 * timeWalkZ : timeWalk[nActivatedPads-1] = 0.001*timeWalkX; // ns |
912 | nTail[nActivatedPads-1] = 2; | |
913 | if (fTimeDelayFlag) { | |
914 | if (TMath::Abs(x) < TMath::Abs(z)) { | |
915 | // qInduced[0] = fMinimumCharge * TMath::Exp(fPulseHeightSlope * z / 2.); | |
916 | // qInduced[nActivatedPads-1] = fMinimumCharge * TMath::Exp(-fPulseHeightSlope * z / 2.); | |
917 | qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * z); | |
918 | logOfqInd = gRandom->Gaus(-fPulseHeightSlope * z, fLogChargeSmearing); | |
919 | } else { | |
920 | // qInduced[0] = fMinimumCharge * TMath::Exp(fPulseHeightSlope * x / 2.); | |
921 | // qInduced[nActivatedPads-1] = fMinimumCharge * TMath::Exp(-fPulseHeightSlope * x / 2.); | |
922 | qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * x); | |
923 | logOfqInd = gRandom->Gaus(-fPulseHeightSlope * x, fLogChargeSmearing); | |
924 | } | |
925 | timeDelay[nActivatedPads-1] = gRandom->Gaus(-fTimeDelaySlope * logOfqInd, fTimeSmearing); | |
926 | } else { | |
927 | timeDelay[nActivatedPads-1] = 0.; | |
928 | } | |
929 | padId[nActivatedPads-1] = 6; | |
930 | } | |
931 | } // end F | |
932 | } // end E | |
933 | } // end if(x < k) | |
934 | ||
935 | ||
936 | for (Int_t iPad = 0; iPad < nActivatedPads; iPad++) { | |
3f296ed3 | 937 | if (fEdgeEffect==2 && res[iPad] < fTimeResolution) res[iPad] = fTimeResolution; |
f73548c4 | 938 | if(gRandom->Rndm() < eff[iPad]) { |
939 | isFired[iPad] = kTRUE; | |
940 | nFiredPads++; | |
941 | if(fEdgeTails) { | |
942 | if(nTail[iPad] == 0) { | |
943 | tofTime[iPad] = gRandom->Gaus(geantTime + timeWalk[iPad] + timeDelay[iPad], res[iPad]); | |
944 | } else { | |
945 | ftail->SetParameters(res[iPad], 2. * res[iPad], kSigmaForTail[nTail[iPad]-1]); | |
946 | Double_t timeAB = ftail->GetRandom(); | |
947 | tofTime[iPad] = geantTime + timeWalk[iPad] + timeDelay[iPad] + timeAB; | |
948 | } | |
949 | } else { | |
3f296ed3 | 950 | AliDebug(1,Form(" ----------------- TOF time resolution = %f",res[iPad])); |
f73548c4 | 951 | tofTime[iPad] = gRandom->Gaus(geantTime + timeWalk[iPad] + timeDelay[iPad], res[iPad]); |
952 | } | |
953 | if (fAverageTimeFlag) { | |
954 | averageTime += tofTime[iPad] * qInduced[iPad]; | |
955 | weightsSum += qInduced[iPad]; | |
956 | } else { | |
957 | averageTime += tofTime[iPad]; | |
958 | weightsSum += 1.; | |
959 | } | |
960 | } | |
961 | } | |
962 | if (weightsSum!=0) averageTime /= weightsSum; | |
963 | } // end else (fEdgeEffect != 0) | |
964 | } | |
965 | ||
966 | //__________________________________________________________________ | |
967 | void AliTOFSDigitizer::PrintParameters()const | |
968 | { | |
969 | // | |
970 | // Print parameters used for sdigitization | |
971 | // | |
0e46b9ae | 972 | AliInfo(Form(" ------------------- %s -------------", GetName())); |
973 | AliInfo(" Parameters used for TOF SDigitization "); | |
f73548c4 | 974 | // Printing the parameters |
975 | ||
0e46b9ae | 976 | AliInfo(Form(" Number of events: %i ", (fEvent2-fEvent1))); |
977 | AliInfo(Form(" from event %i to event %i", fEvent1, (fEvent2-1))); | |
3f296ed3 | 978 | AliInfo(Form(" Time Resolution (ps) %f Pad Efficiency: %f ", fTimeResolution, fpadefficiency)); |
0e46b9ae | 979 | AliInfo(Form(" Edge Effect option: %d", fEdgeEffect)); |
980 | ||
981 | AliInfo(" Boundary Effect Simulation Parameters "); | |
4682c56e | 982 | AliInfo(Form(" Hparameter: %f H2parameter: %f Kparameter: %f K2parameter: %f", fHparameter, fH2parameter, fKparameter, fK2parameter)); |
983 | AliInfo(Form(" Efficiency in the central region of the pad: %f", fEffCenter)); | |
984 | AliInfo(Form(" Efficiency at the boundary region of the pad: %f", fEffBoundary)); | |
985 | AliInfo(Form(" Efficiency value at H2parameter %f", fEff2Boundary)); | |
986 | AliInfo(Form(" Efficiency value at K2parameter %f", fEff3Boundary)); | |
987 | AliInfo(Form(" Resolution (ps) in the central region of the pad: %f", fResCenter)); | |
988 | AliInfo(Form(" Resolution (ps) at the boundary of the pad : %f", fResBoundary)); | |
989 | AliInfo(Form(" Slope (ps/K) for neighbouring pad : %f", fResSlope)); | |
990 | AliInfo(Form(" Time walk (ps) in the central region of the pad : %f", fTimeWalkCenter)); | |
991 | AliInfo(Form(" Time walk (ps) at the boundary of the pad : %f", fTimeWalkBoundary)); | |
992 | AliInfo(Form(" Slope (ps/K) for neighbouring pad : %f", fTimeWalkSlope)); | |
0e46b9ae | 993 | AliInfo(" Pulse Heigth Simulation Parameters "); |
994 | AliInfo(Form(" Flag for delay due to the PulseHeightEffect : %d", fTimeDelayFlag)); | |
4682c56e | 995 | AliInfo(Form(" Pulse Height Slope : %f", fPulseHeightSlope)); |
996 | AliInfo(Form(" Time Delay Slope : %f", fTimeDelaySlope)); | |
997 | AliInfo(Form(" Minimum charge amount which could be induced : %f", fMinimumCharge)); | |
998 | AliInfo(Form(" Smearing in charge in (q1/q2) vs x plot : %f", fChargeSmearing)); | |
999 | AliInfo(Form(" Smearing in log of charge ratio : %f", fLogChargeSmearing)); | |
1000 | AliInfo(Form(" Smearing in time in time vs log(q1/q2) plot : %f", fTimeSmearing)); | |
0e46b9ae | 1001 | AliInfo(Form(" Flag for average time : %d", fAverageTimeFlag)); |
1002 | AliInfo(Form(" Edge tails option : %d", fEdgeTails)); | |
f73548c4 | 1003 | |
1004 | } |