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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 | ||
517b7f8f | 18 | //_________________________________________________________________________ |
19 | // This is a TTask that constructs SDigits out of Hits | |
ea7a588a | 20 | // A Summable Digits is the "sum" of all hits in a pad |
21 | // Detector response has been simulated via the method | |
22 | // SimulateDetectorResponse | |
517b7f8f | 23 | // |
ea7a588a | 24 | //-- Authors: F. Pierella, A. De Caro |
25 | // Use case: see AliTOFhits2sdigits.C macro in the CVS | |
517b7f8f | 26 | ////////////////////////////////////////////////////////////////////////////// |
27 | ||
f8014e68 | 28 | #include <Riostream.h> |
88cb7938 | 29 | #include <stdlib.h> |
517b7f8f | 30 | |
88cb7938 | 31 | #include <TBenchmark.h> |
32 | #include <TF1.h> | |
33 | #include <TFile.h> | |
34 | #include <TFolder.h> | |
35 | #include <TH1.h> | |
36 | #include <TParticle.h> | |
37 | #include <TROOT.h> | |
38 | #include <TSystem.h> | |
39 | #include <TTask.h> | |
40 | #include <TTree.h> | |
41 | ||
d076c8d5 | 42 | #include "AliLog.h" |
88cb7938 | 43 | #include "AliDetector.h" |
44 | #include "AliLoader.h" | |
d3c7bfac | 45 | #include "AliMC.h" |
88cb7938 | 46 | #include "AliRun.h" |
47 | #include "AliRunLoader.h" | |
d3c7bfac | 48 | |
88cb7938 | 49 | #include "AliTOF.h" |
0f4a7374 | 50 | #include "AliTOFGeometry.h" |
5919c40c | 51 | #include "AliTOFHitMap.h" |
52 | #include "AliTOFSDigit.h" | |
88cb7938 | 53 | #include "AliTOFSDigitizer.h" |
517b7f8f | 54 | #include "AliTOFhit.h" |
016e1f91 | 55 | #include "AliTOFhitT0.h" |
517b7f8f | 56 | |
57 | ClassImp(AliTOFSDigitizer) | |
58 | ||
59 | //____________________________________________________________________________ | |
797e311f | 60 | AliTOFSDigitizer::AliTOFSDigitizer():TTask("TOFSDigitizer","") |
517b7f8f | 61 | { |
62 | // ctor | |
88cb7938 | 63 | |
d61f73d9 | 64 | fRunLoader = 0; |
65 | fTOFLoader = 0; | |
88cb7938 | 66 | |
d61f73d9 | 67 | fEvent1 = 0; |
68 | fEvent2 = 0; | |
69 | ftail = 0; | |
70 | fSelectedSector = -1; | |
71 | fSelectedPlate = -1; | |
d3c7bfac | 72 | |
73 | fTOFGeometry = new AliTOFGeometry(); | |
74 | ||
517b7f8f | 75 | } |
d61f73d9 | 76 | |
7aeeaf38 | 77 | //------------------------------------------------------------------------ |
78 | AliTOFSDigitizer::AliTOFSDigitizer(const AliTOFSDigitizer &source) | |
79 | :TTask(source) | |
80 | { | |
81 | // copy constructor | |
82 | this->fTOFGeometry=source.fTOFGeometry; | |
83 | ||
84 | } | |
85 | ||
86 | //____________________________________________________________________________ | |
87 | AliTOFSDigitizer& AliTOFSDigitizer::operator=(const AliTOFSDigitizer &source) | |
88 | { | |
89 | // ass. op. | |
90 | this->fTOFGeometry=source.fTOFGeometry; | |
91 | return *this; | |
92 | ||
93 | } | |
94 | ||
517b7f8f | 95 | //____________________________________________________________________________ |
797e311f | 96 | AliTOFSDigitizer::AliTOFSDigitizer(const char* HeaderFile, Int_t evNumber1, Int_t nEvents):TTask("TOFSDigitizer","") |
517b7f8f | 97 | { |
340693af | 98 | //ctor, reading from input file |
f73548c4 | 99 | ftail = 0; |
d61f73d9 | 100 | fSelectedSector=-1; // by default we sdigitize all sectors |
101 | fSelectedPlate =-1; // by default we sdigitize all plates in all sectors | |
102 | ||
ea7a588a | 103 | fHeadersFile = HeaderFile ; // input filename (with hits) |
d61f73d9 | 104 | TFile * file = (TFile*) gROOT->GetFile(fHeadersFile.Data()); |
105 | ||
106 | //File was not opened yet open file and get alirun object | |
107 | if (file == 0) { | |
108 | file = TFile::Open(fHeadersFile.Data(),"update") ; | |
109 | gAlice = (AliRun *) file->Get("gAlice") ; | |
ea7a588a | 110 | } |
26e447bd | 111 | |
517b7f8f | 112 | // add Task to //root/Tasks folder |
e191bb57 | 113 | TString evfoldname = AliConfig::GetDefaultEventFolderName(); |
f540341d | 114 | fRunLoader = AliRunLoader::GetRunLoader(evfoldname); |
115 | if (!fRunLoader) | |
116 | fRunLoader = AliRunLoader::Open(HeaderFile);//open session and mount on default event folder | |
88cb7938 | 117 | if (fRunLoader == 0x0) |
d61f73d9 | 118 | { |
d076c8d5 | 119 | AliFatal("Event is not loaded. Exiting"); |
d61f73d9 | 120 | return; |
121 | } | |
26e447bd | 122 | |
d3c7bfac | 123 | fRunLoader->CdGAFile(); |
124 | TDirectory *savedir=gDirectory; | |
125 | TFile *in=(TFile*)gFile; | |
126 | ||
127 | if (!in->IsOpen()) { | |
128 | AliWarning("Geometry file is not open default TOF geometry will be used"); | |
129 | fTOFGeometry = new AliTOFGeometry(); | |
130 | } | |
131 | else { | |
132 | in->cd(); | |
133 | fTOFGeometry = (AliTOFGeometry*)in->Get("TOFgeometry"); | |
134 | } | |
135 | ||
136 | savedir->cd(); | |
137 | ||
f540341d | 138 | if (fRunLoader->TreeE() == 0x0) fRunLoader->LoadHeader(); |
d61f73d9 | 139 | |
140 | if (evNumber1>=0) fEvent1 = evNumber1; | |
141 | else fEvent1=0; | |
142 | ||
143 | if (nEvents==0) fEvent2 = (Int_t)(fRunLoader->GetNumberOfEvents()); | |
144 | else if (nEvents>0) fEvent2 = evNumber1+nEvents; | |
145 | else fEvent2 = 1; | |
146 | ||
147 | if (!(fEvent2>fEvent1)) { | |
d076c8d5 | 148 | AliError(Form("fEvent2 = %d <= fEvent1 = %d", fEvent2, fEvent1)); |
d61f73d9 | 149 | fEvent1 = 0; |
150 | fEvent2 = 1; | |
d076c8d5 | 151 | AliError(Form("Correction: fEvent2 = %d <= fEvent1 = %d", fEvent2, fEvent1)); |
26e447bd | 152 | } |
d61f73d9 | 153 | |
26e447bd | 154 | // init parameters for sdigitization |
155 | InitParameters(); | |
d61f73d9 | 156 | |
157 | fTOFLoader = fRunLoader->GetLoader("TOFLoader"); | |
158 | if (fTOFLoader == 0x0) | |
159 | { | |
d076c8d5 | 160 | AliFatal("Can not find TOF loader in event. Exiting."); |
d61f73d9 | 161 | return; |
162 | } | |
163 | fTOFLoader->PostSDigitizer(this); | |
517b7f8f | 164 | } |
165 | ||
166 | //____________________________________________________________________________ | |
d61f73d9 | 167 | AliTOFSDigitizer::~AliTOFSDigitizer() |
517b7f8f | 168 | { |
169 | // dtor | |
797e311f | 170 | fTOFLoader->CleanSDigitizer(); |
d3c7bfac | 171 | |
afd804a3 | 172 | delete fTOFGeometry; |
d3c7bfac | 173 | |
f73548c4 | 174 | } |
175 | ||
176 | //____________________________________________________________________________ | |
177 | void AliTOFSDigitizer::InitParameters() | |
178 | { | |
179 | // set parameters for detector simulation | |
d61f73d9 | 180 | |
7e6dce66 | 181 | fTimeResolution = 0.080; //0.120; OLD |
182 | fpadefficiency = 0.99 ; | |
f73548c4 | 183 | fEdgeEffect = 2 ; |
184 | fEdgeTails = 0 ; | |
185 | fHparameter = 0.4 ; | |
186 | fH2parameter = 0.15; | |
187 | fKparameter = 0.5 ; | |
188 | fK2parameter = 0.35; | |
189 | fEffCenter = fpadefficiency; | |
190 | fEffBoundary = 0.65; | |
191 | fEff2Boundary = 0.90; | |
192 | fEff3Boundary = 0.08; | |
8d6daa31 | 193 | fAddTRes = 68. ; // \sqrt{2x20^2 + 15^2 + 2x10^2 + 30^2 + 50^2} (p-p) |
194 | //fAddTRes = 48. ; // \sqrt{2x20^2 + 15^2 + 2x10^2 + 30^2 + 15^2} (Pb-Pb) | |
7e6dce66 | 195 | // 30^2+20^2+40^2+50^2+50^2+50^2 = 10400 ps^2 (very old value) |
196 | fResCenter = 35. ; //50. ; // OLD | |
f73548c4 | 197 | fResBoundary = 70. ; |
7e6dce66 | 198 | fResSlope = 37. ; //40. ; // OLD |
f73548c4 | 199 | fTimeWalkCenter = 0. ; |
200 | fTimeWalkBoundary=0. ; | |
201 | fTimeWalkSlope = 0. ; | |
202 | fTimeDelayFlag = 1 ; | |
203 | fPulseHeightSlope=2.0 ; | |
204 | fTimeDelaySlope =0.060; | |
205 | // was fMinimumCharge = TMath::Exp(fPulseHeightSlope*fKparameter/2.); | |
206 | fMinimumCharge = TMath::Exp(-fPulseHeightSlope*fHparameter); | |
207 | fChargeSmearing=0.0 ; | |
208 | fLogChargeSmearing=0.13; | |
209 | fTimeSmearing =0.022; | |
210 | fAverageTimeFlag=0 ; | |
43f77f2d | 211 | |
d61f73d9 | 212 | fAdcBin = 0.25; // 1 ADC bin = 0.25 pC (or 0.03 pC) |
ea7a588a | 213 | fAdcMean = 50.; // ADC distribution mpv value for Landau (in bins) |
214 | // it corresponds to a mean value of ~100 bins | |
215 | fAdcRms = 25.; // ADC distribution rms value (in bins) | |
216 | // it corresponds to distribution rms ~50 bins | |
f73548c4 | 217 | } |
218 | ||
219 | //__________________________________________________________________ | |
ea7a588a | 220 | Double_t TimeWithTail(Double_t* x, Double_t* par) |
f73548c4 | 221 | { |
222 | // sigma - par[0], alpha - par[1], part - par[2] | |
223 | // at x<part*sigma - gauss | |
224 | // at x>part*sigma - TMath::Exp(-x/alpha) | |
225 | Float_t xx =x[0]; | |
226 | Double_t f; | |
227 | if(xx<par[0]*par[2]) { | |
228 | f = TMath::Exp(-xx*xx/(2*par[0]*par[0])); | |
229 | } else { | |
230 | f = TMath::Exp(-(xx-par[0]*par[2])/par[1]-0.5*par[2]*par[2]); | |
231 | } | |
232 | return f; | |
517b7f8f | 233 | } |
234 | ||
235 | //____________________________________________________________________________ | |
d61f73d9 | 236 | void AliTOFSDigitizer::Exec(Option_t *verboseOption) { |
340693af | 237 | //execute TOF sdigitization |
d61f73d9 | 238 | if (strstr(verboseOption,"tim") || strstr(verboseOption,"all")) |
ea7a588a | 239 | gBenchmark->Start("TOFSDigitizer"); |
517b7f8f | 240 | |
ea7a588a | 241 | if (fEdgeTails) ftail = new TF1("tail",TimeWithTail,-2,2,3); |
d61f73d9 | 242 | |
ea7a588a | 243 | Int_t nselectedHits=0; |
244 | Int_t ntotalsdigits=0; | |
245 | Int_t ntotalupdates=0; | |
246 | Int_t nnoisesdigits=0; | |
247 | Int_t nsignalsdigits=0; | |
248 | Int_t nHitsFromPrim=0; | |
249 | Int_t nHitsFromSec=0; | |
250 | Int_t nlargeTofDiff=0; | |
f73548c4 | 251 | |
da3d3acd | 252 | Bool_t thereIsNotASelection=(fSelectedSector==-1) && (fSelectedPlate==-1); |
55991c8b | 253 | |
f540341d | 254 | if (fRunLoader->GetAliRun() == 0x0) fRunLoader->LoadgAlice(); |
d61f73d9 | 255 | gAlice = fRunLoader->GetAliRun(); |
ea7a588a | 256 | |
d61f73d9 | 257 | fRunLoader->LoadKinematics(); |
258 | ||
7e6dce66 | 259 | AliTOF *tof = (AliTOF *) gAlice->GetDetector("TOF"); |
d61f73d9 | 260 | |
7e6dce66 | 261 | if (!tof) { |
d076c8d5 | 262 | AliError("TOF not found"); |
d61f73d9 | 263 | return; |
264 | } | |
265 | ||
266 | fTOFLoader->LoadHits("read"); | |
267 | fTOFLoader->LoadSDigits("recreate"); | |
268 | ||
269 | for (Int_t iEvent=fEvent1; iEvent<fEvent2; iEvent++) { | |
f540341d | 270 | // cout << "------------------- "<< GetName() << " ------------- \n"; |
271 | // cout << "Sdigitizing event " << iEvent << endl; | |
517b7f8f | 272 | |
d61f73d9 | 273 | fRunLoader->GetEvent(iEvent); |
274 | ||
7e6dce66 | 275 | TTree *hitTree = fTOFLoader->TreeH (); |
276 | if (!hitTree) return; | |
517b7f8f | 277 | |
d61f73d9 | 278 | if (fTOFLoader->TreeS () == 0) fTOFLoader->MakeTree ("S"); |
279 | ||
5919c40c | 280 | //Make branch for digits |
7e6dce66 | 281 | tof->MakeBranch("S"); |
517b7f8f | 282 | |
d61f73d9 | 283 | // recreate TClonesArray fSDigits - for backward compatibility |
7e6dce66 | 284 | if (tof->SDigits() == 0) { |
285 | tof->CreateSDigitsArray(); | |
d61f73d9 | 286 | } else { |
7e6dce66 | 287 | tof->RecreateSDigitsArray(); |
d61f73d9 | 288 | } |
5919c40c | 289 | |
7e6dce66 | 290 | tof->SetTreeAddress(); |
87e54ebb | 291 | |
7e6dce66 | 292 | Int_t version=tof->IsVersion(); |
d61f73d9 | 293 | |
294 | Int_t nselectedHitsinEv=0; | |
295 | Int_t ntotalsdigitsinEv=0; | |
296 | Int_t ntotalupdatesinEv=0; | |
297 | Int_t nnoisesdigitsinEv=0; | |
298 | Int_t nsignalsdigitsinEv=0; | |
016e1f91 | 299 | |
5919c40c | 300 | TParticle *particle; |
016e1f91 | 301 | //AliTOFhit *tofHit; |
7e6dce66 | 302 | TClonesArray *tofHitArray = tof->Hits(); |
5919c40c | 303 | |
f73548c4 | 304 | // create hit map |
d3c7bfac | 305 | AliTOFHitMap *hitMap = new AliTOFHitMap(tof->SDigits(), fTOFGeometry); |
5919c40c | 306 | |
7e6dce66 | 307 | TBranch * tofHitsBranch = hitTree->GetBranch("TOF"); |
bfec09a6 | 308 | |
7e6dce66 | 309 | Int_t ntracks = static_cast<Int_t>(hitTree->GetEntries()); |
5919c40c | 310 | for (Int_t track = 0; track < ntracks; track++) |
311 | { | |
312 | gAlice->ResetHits(); | |
d7ccea72 | 313 | tofHitsBranch->GetEvent(track); |
5d12ce38 | 314 | particle = gAlice->GetMCApp()->Particle(track); |
7e6dce66 | 315 | Int_t nhits = tofHitArray->GetEntriesFast(); |
f73548c4 | 316 | // cleaning all hits of the same track in the same pad volume |
317 | // it is a rare event, however it happens | |
318 | ||
d61f73d9 | 319 | Int_t previousTrack =-1; |
320 | Int_t previousSector=-1; | |
321 | Int_t previousPlate =-1; | |
322 | Int_t previousStrip =-1; | |
323 | Int_t previousPadX =-1; | |
324 | Int_t previousPadZ =-1; | |
5919c40c | 325 | |
d61f73d9 | 326 | for (Int_t hit = 0; hit < nhits; hit++) { |
016e1f91 | 327 | Int_t vol[5]; // location for a digit |
328 | Float_t digit[2]; // TOF digit variables | |
329 | Int_t tracknum; | |
7e6dce66 | 330 | Float_t dxPad; |
331 | Float_t dzPad; | |
016e1f91 | 332 | Float_t geantTime; |
333 | ||
334 | // fp: really sorry for this, it is a temporary trick to have | |
335 | // track length too | |
d3c7bfac | 336 | if(version!=6 && version!=7){ |
7e6dce66 | 337 | AliTOFhit *tofHit = (AliTOFhit *) tofHitArray->UncheckedAt(hit); |
016e1f91 | 338 | tracknum = tofHit->GetTrack(); |
339 | vol[0] = tofHit->GetSector(); | |
340 | vol[1] = tofHit->GetPlate(); | |
341 | vol[2] = tofHit->GetStrip(); | |
342 | vol[3] = tofHit->GetPadx(); | |
343 | vol[4] = tofHit->GetPadz(); | |
7e6dce66 | 344 | dxPad = tofHit->GetDx(); |
345 | dzPad = tofHit->GetDz(); | |
016e1f91 | 346 | geantTime = tofHit->GetTof(); // unit [s] |
347 | } else { | |
7e6dce66 | 348 | AliTOFhitT0 *tofHit = (AliTOFhitT0 *) tofHitArray->UncheckedAt(hit); |
016e1f91 | 349 | tracknum = tofHit->GetTrack(); |
350 | vol[0] = tofHit->GetSector(); | |
351 | vol[1] = tofHit->GetPlate(); | |
55991c8b | 352 | vol[2] = tofHit->GetStrip(); |
353 | vol[3] = tofHit->GetPadx(); | |
354 | vol[4] = tofHit->GetPadz(); | |
7e6dce66 | 355 | dxPad = tofHit->GetDx(); |
356 | dzPad = tofHit->GetDz(); | |
016e1f91 | 357 | geantTime = tofHit->GetTof(); // unit [s] |
358 | } | |
d61f73d9 | 359 | |
016e1f91 | 360 | geantTime *= 1.e+09; // conversion from [s] to [ns] |
d61f73d9 | 361 | |
016e1f91 | 362 | // selection case for sdigitizing only hits in a given plate of a given sector |
363 | if(thereIsNotASelection || (vol[0]==fSelectedSector && vol[1]==fSelectedPlate)){ | |
55991c8b | 364 | |
365 | Bool_t dummy=((tracknum==previousTrack) && (vol[0]==previousSector) && (vol[1]==previousPlate) && (vol[2]==previousStrip)); | |
366 | ||
367 | Bool_t isCloneOfThePrevious=dummy && ((vol[3]==previousPadX) && (vol[4]==previousPadZ)); | |
368 | ||
b213b8bd | 369 | 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 | 370 | |
b213b8bd | 371 | if(!isCloneOfThePrevious && !isNeighOfThePrevious){ |
55991c8b | 372 | // update "previous" values |
373 | // in fact, we are yet in the future, so the present is past | |
374 | previousTrack=tracknum; | |
375 | previousSector=vol[0]; | |
376 | previousPlate=vol[1]; | |
377 | previousStrip=vol[2]; | |
378 | previousPadX=vol[3]; | |
379 | previousPadZ=vol[4]; | |
380 | ||
381 | nselectedHits++; | |
382 | nselectedHitsinEv++; | |
d61f73d9 | 383 | if (particle->GetFirstMother() < 0) nHitsFromPrim++; // counts hits due to primary particles |
55991c8b | 384 | |
7e6dce66 | 385 | Float_t xStrip=AliTOFGeometry::XPad()*(vol[3]+0.5-0.5*AliTOFGeometry::NpadX())+dxPad; |
386 | Float_t zStrip=AliTOFGeometry::ZPad()*(vol[4]+0.5-0.5*AliTOFGeometry::NpadZ())+dzPad; | |
016e1f91 | 387 | |
55991c8b | 388 | Int_t nActivatedPads = 0, nFiredPads = 0; |
389 | Bool_t isFired[4] = {kFALSE, kFALSE, kFALSE, kFALSE}; | |
390 | Float_t tofAfterSimul[4] = {0., 0., 0., 0.}; | |
391 | Float_t qInduced[4] = {0.,0.,0.,0.}; | |
392 | Int_t nPlace[4] = {0, 0, 0, 0}; | |
393 | Float_t averageTime = 0.; | |
394 | SimulateDetectorResponse(zStrip,xStrip,geantTime,nActivatedPads,nFiredPads,isFired,nPlace,qInduced,tofAfterSimul,averageTime); | |
395 | if(nFiredPads) { | |
396 | for(Int_t indexOfPad=0; indexOfPad<nActivatedPads; indexOfPad++) { | |
397 | if(isFired[indexOfPad]){ // the pad has fired | |
398 | Float_t timediff=geantTime-tofAfterSimul[indexOfPad]; | |
399 | ||
400 | if(timediff>=0.2) nlargeTofDiff++; | |
401 | ||
845fe446 | 402 | digit[0] = (Int_t) ((tofAfterSimul[indexOfPad]*1.e+03)/AliTOFGeometry::TdcBinWidth()); // TDC bin number (each bin -> 24.4 ps) |
55991c8b | 403 | |
404 | Float_t landauFactor = gRandom->Landau(fAdcMean, fAdcRms); | |
405 | digit[1] = (Int_t) (qInduced[indexOfPad] * landauFactor); // ADC bins (each bin -> 0.25 (or 0.03) pC) | |
d61f73d9 | 406 | |
55991c8b | 407 | // recalculate the volume only for neighbouring pads |
ea7a588a | 408 | if(indexOfPad){ |
0f4a7374 | 409 | (nPlace[indexOfPad]<=AliTOFGeometry::NpadX()) ? vol[4] = 0 : vol[4] = 1; |
410 | (nPlace[indexOfPad]<=AliTOFGeometry::NpadX()) ? vol[3] = nPlace[indexOfPad] - 1 : vol[3] = nPlace[indexOfPad] - AliTOFGeometry::NpadX() - 1; | |
ea7a588a | 411 | } |
d61f73d9 | 412 | // check if two sdigit are on the same pad; |
413 | // in that case we sum the two or more sdigits | |
55991c8b | 414 | if (hitMap->TestHit(vol) != kEmpty) { |
415 | AliTOFSDigit *sdig = static_cast<AliTOFSDigit*>(hitMap->GetHit(vol)); | |
416 | Int_t tdctime = (Int_t) digit[0]; | |
417 | Int_t adccharge = (Int_t) digit[1]; | |
43f77f2d | 418 | sdig->Update(AliTOFGeometry::TdcBinWidth(),tdctime,adccharge,tracknum); |
55991c8b | 419 | ntotalupdatesinEv++; |
420 | ntotalupdates++; | |
421 | } else { | |
422 | ||
7e6dce66 | 423 | tof->AddSDigit(tracknum, vol, digit); |
55991c8b | 424 | |
425 | if(indexOfPad){ | |
426 | nnoisesdigits++; | |
427 | nnoisesdigitsinEv++; | |
428 | } else { | |
429 | nsignalsdigits++; | |
430 | nsignalsdigitsinEv++; | |
431 | } | |
432 | ntotalsdigitsinEv++; | |
433 | ntotalsdigits++; | |
434 | hitMap->SetHit(vol); | |
435 | } // if (hitMap->TestHit(vol) != kEmpty) | |
436 | } // if(isFired[indexOfPad]) | |
437 | } // end loop on nActivatedPads | |
438 | } // if(nFiredPads) i.e. if some pads has fired | |
439 | } // close if(!isCloneOfThePrevious) | |
440 | } // close the selection on sector and plate | |
5919c40c | 441 | } // end loop on hits for the current track |
442 | } // end loop on ntracks | |
55991c8b | 443 | |
5919c40c | 444 | delete hitMap; |
d61f73d9 | 445 | |
446 | fTOFLoader->TreeS()->Reset(); | |
447 | fTOFLoader->TreeS()->Fill(); | |
448 | fTOFLoader->WriteSDigits("OVERWRITE"); | |
449 | ||
7e6dce66 | 450 | if (tof->SDigits()) tof->ResetSDigits(); |
d61f73d9 | 451 | |
452 | if (strstr(verboseOption,"all")) { | |
d076c8d5 | 453 | AliInfo("----------------------------------------"); |
454 | AliInfo(" <AliTOFSDigitizer> "); | |
455 | AliInfo(Form("After sdigitizing %d hits in event %d", nselectedHitsinEv, iEvent)); | |
ea7a588a | 456 | //" (" << nHitsFromPrim << " from primaries and " << nHitsFromSec << " from secondaries) TOF hits, " |
d076c8d5 | 457 | AliInfo(Form("%d digits have been created", ntotalsdigitsinEv)); |
458 | AliInfo(Form("(%d due to signals and %d due to border effect)", nsignalsdigitsinEv, nnoisesdigitsinEv)); | |
459 | AliInfo(Form("%d total updates of the hit map have been performed in current event", ntotalupdatesinEv)); | |
460 | AliInfo("----------------------------------------"); | |
ea7a588a | 461 | } |
462 | ||
463 | } //event loop on events | |
464 | ||
d61f73d9 | 465 | fTOFLoader->UnloadSDigits(); |
466 | fTOFLoader->UnloadHits(); | |
467 | fRunLoader->UnloadKinematics(); | |
e615b5b5 | 468 | //fRunLoader->UnloadgAlice(); |
d61f73d9 | 469 | |
ea7a588a | 470 | // free used memory |
471 | if (ftail){ | |
472 | delete ftail; | |
473 | ftail = 0; | |
474 | } | |
475 | ||
476 | nHitsFromSec=nselectedHits-nHitsFromPrim; | |
477 | if(strstr(verboseOption,"all")){ | |
d076c8d5 | 478 | AliInfo("----------------------------------------"); |
479 | AliInfo("----------------------------------------"); | |
480 | AliInfo("-----------SDigitization Summary--------"); | |
481 | AliInfo(" <AliTOFSDigitizer> "); | |
482 | AliInfo(Form("After sdigitizing %d hits", nselectedHits)); | |
483 | AliInfo(Form("in %d events", fEvent2-fEvent1)); | |
ea7a588a | 484 | //" (" << nHitsFromPrim << " from primaries and " << nHitsFromSec << " from secondaries) TOF hits, " |
d076c8d5 | 485 | AliInfo(Form("%d sdigits have been created", ntotalsdigits)); |
486 | AliInfo(Form("(%d due to signals and " | |
487 | "%d due to border effect)", nsignalsdigits, nnoisesdigits)); | |
488 | AliInfo(Form("%d total updates of the hit map have been performed", ntotalupdates)); | |
489 | AliInfo(Form("in %d cases the time of flight difference is greater than 200 ps", nlargeTofDiff)); | |
ea7a588a | 490 | } |
491 | ||
517b7f8f | 492 | |
ea7a588a | 493 | if(strstr(verboseOption,"tim") || strstr(verboseOption,"all")){ |
494 | gBenchmark->Stop("TOFSDigitizer"); | |
d076c8d5 | 495 | AliInfo("AliTOFSDigitizer:"); |
496 | AliInfo(Form(" took %f seconds in order to make sdigits " | |
497 | "%f seconds per event", gBenchmark->GetCpuTime("TOFSDigitizer"), gBenchmark->GetCpuTime("TOFSDigitizer")/(fEvent2-fEvent1))); | |
498 | AliInfo(" +++++++++++++++++++++++++++++++++++++++++++++++++++ "); | |
ea7a588a | 499 | } |
517b7f8f | 500 | |
501 | } | |
ea7a588a | 502 | |
517b7f8f | 503 | //__________________________________________________________________ |
5c016a7b | 504 | void AliTOFSDigitizer::Print(Option_t* /*opt*/)const |
517b7f8f | 505 | { |
d61f73d9 | 506 | cout << "------------------- "<< GetName() << " ------------- \n"; |
517b7f8f | 507 | } |
f73548c4 | 508 | |
55991c8b | 509 | //__________________________________________________________________ |
510 | void AliTOFSDigitizer::SelectSectorAndPlate(Int_t sector, Int_t plate) | |
511 | { | |
340693af | 512 | //Select sector and plate |
0f4a7374 | 513 | Bool_t isaWrongSelection=(sector < 0) || (sector >= AliTOFGeometry::NSectors()) || (plate < 0) || (plate >= AliTOFGeometry::NPlates()); |
55991c8b | 514 | if(isaWrongSelection){ |
d076c8d5 | 515 | AliError("You have selected an invalid value for sector or plate "); |
516 | AliError(Form("The correct range for sector is [0,%d]", AliTOFGeometry::NSectors()-1)); | |
517 | AliError(Form("The correct range for plate is [0,%d]", AliTOFGeometry::NPlates()-1)); | |
518 | AliError("By default we continue sdigitizing all hits in all plates of all sectors"); | |
55991c8b | 519 | } else { |
520 | fSelectedSector=sector; | |
521 | fSelectedPlate =plate; | |
d076c8d5 | 522 | AliInfo(Form("SDigitizing only hits in plate %d of the sector %d", fSelectedPlate, fSelectedSector)); |
55991c8b | 523 | } |
524 | } | |
525 | ||
f73548c4 | 526 | //__________________________________________________________________ |
527 | 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) | |
528 | { | |
529 | // Description: | |
530 | // Input: z0, x0 - hit position in the strip system (0,0 - center of the strip), cm | |
531 | // geantTime - time generated by Geant, ns | |
532 | // Output: nActivatedPads - the number of pads activated by the hit (1 || 2 || 4) | |
533 | // nFiredPads - the number of pads fired (really activated) by the hit (nFiredPads <= nActivatedPads) | |
534 | // qInduced[iPad]- charge induced on pad, arb. units | |
535 | // this array is initialized at zero by the caller | |
536 | // tofAfterSimul[iPad] - time calculated with edge effect algorithm, ns | |
537 | // this array is initialized at zero by the caller | |
538 | // 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. | |
539 | // The weight is given by the qInduced[iPad]/qCenterPad | |
540 | // this variable is initialized at zero by the caller | |
541 | // nPlace[iPad] - the number of the pad place, iPad = 0, 1, 2, 3 | |
542 | // this variable is initialized at zero by the caller | |
543 | // | |
544 | // Description of used variables: | |
545 | // eff[iPad] - efficiency of the pad | |
546 | // res[iPad] - resolution of the pad, ns | |
547 | // timeWalk[iPad] - time walk of the pad, ns | |
548 | // timeDelay[iPad] - time delay for neighbouring pad to hited pad, ns | |
549 | // PadId[iPad] - Pad Identifier | |
550 | // E | F --> PadId[iPad] = 5 | 6 | |
551 | // A | B --> PadId[iPad] = 1 | 2 | |
552 | // C | D --> PadId[iPad] = 3 | 4 | |
553 | // nTail[iPad] - the tail number, = 1 for tailA, = 2 for tailB | |
554 | // qCenterPad - charge extimated for each pad, arb. units | |
555 | // weightsSum - sum of weights extimated for each pad fired, arb. units | |
556 | ||
0f4a7374 | 557 | const Float_t kSigmaForTail[2] = {AliTOFGeometry::SigmaForTail1(),AliTOFGeometry::SigmaForTail2()}; //for tail |
f73548c4 | 558 | Int_t iz = 0, ix = 0; |
559 | Float_t dX = 0., dZ = 0., x = 0., z = 0.; | |
560 | Float_t h = fHparameter, h2 = fH2parameter, k = fKparameter, k2 = fK2parameter; | |
561 | Float_t effX = 0., effZ = 0., resX = 0., resZ = 0., timeWalkX = 0., timeWalkZ = 0.; | |
562 | Float_t logOfqInd = 0.; | |
563 | Float_t weightsSum = 0.; | |
564 | Int_t nTail[4] = {0,0,0,0}; | |
565 | Int_t padId[4] = {0,0,0,0}; | |
566 | Float_t eff[4] = {0.,0.,0.,0.}; | |
567 | Float_t res[4] = {0.,0.,0.,0.}; | |
568 | // Float_t qCenterPad = fMinimumCharge * fMinimumCharge; | |
569 | Float_t qCenterPad = 1.; | |
570 | Float_t timeWalk[4] = {0.,0.,0.,0.}; | |
571 | Float_t timeDelay[4] = {0.,0.,0.,0.}; | |
572 | ||
573 | nActivatedPads = 0; | |
574 | nFiredPads = 0; | |
575 | ||
576 | (z0 <= 0) ? iz = 0 : iz = 1; | |
0f4a7374 | 577 | dZ = z0 + (0.5 * AliTOFGeometry::NpadZ() - iz - 0.5) * AliTOFGeometry::ZPad(); // hit position in the pad frame, (0,0) - center of the pad |
578 | z = 0.5 * AliTOFGeometry::ZPad() - TMath::Abs(dZ); // variable for eff., res. and timeWalk. functions | |
579 | iz++; // z row: 1, ..., AliTOFGeometry::NpadZ = 2 | |
580 | ix = (Int_t)((x0 + 0.5 * AliTOFGeometry::NpadX() * AliTOFGeometry::XPad()) / AliTOFGeometry::XPad()); | |
581 | dX = x0 + (0.5 * AliTOFGeometry::NpadX() - ix - 0.5) * AliTOFGeometry::XPad(); // hit position in the pad frame, (0,0) - center of the pad | |
582 | x = 0.5 * AliTOFGeometry::XPad() - TMath::Abs(dX); // variable for eff., res. and timeWalk. functions; | |
583 | ix++; // x row: 1, ..., AliTOFGeometry::NpadX = 48 | |
f73548c4 | 584 | |
585 | ////// Pad A: | |
586 | nActivatedPads++; | |
0f4a7374 | 587 | nPlace[nActivatedPads-1] = (iz - 1) * AliTOFGeometry::NpadX() + ix; |
f73548c4 | 588 | qInduced[nActivatedPads-1] = qCenterPad; |
589 | padId[nActivatedPads-1] = 1; | |
590 | ||
591 | if (fEdgeEffect == 0) { | |
592 | eff[nActivatedPads-1] = fEffCenter; | |
593 | if (gRandom->Rndm() < eff[nActivatedPads-1]) { | |
594 | nFiredPads = 1; | |
7e6dce66 | 595 | res[nActivatedPads-1] = 0.001 * TMath::Sqrt(fAddTRes*fAddTRes + fResCenter * fResCenter); // ns |
f73548c4 | 596 | isFired[nActivatedPads-1] = kTRUE; |
597 | tofTime[nActivatedPads-1] = gRandom->Gaus(geantTime + fTimeWalkCenter, res[0]); | |
598 | averageTime = tofTime[nActivatedPads-1]; | |
599 | } | |
600 | } else { | |
601 | ||
602 | if(z < h) { | |
603 | if(z < h2) { | |
604 | effZ = fEffBoundary + (fEff2Boundary - fEffBoundary) * z / h2; | |
605 | } else { | |
606 | effZ = fEff2Boundary + (fEffCenter - fEff2Boundary) * (z - h2) / (h - h2); | |
607 | } | |
608 | resZ = fResBoundary + (fResCenter - fResBoundary) * z / h; | |
609 | timeWalkZ = fTimeWalkBoundary + (fTimeWalkCenter - fTimeWalkBoundary) * z / h; | |
610 | nTail[nActivatedPads-1] = 1; | |
611 | } else { | |
612 | effZ = fEffCenter; | |
613 | resZ = fResCenter; | |
614 | timeWalkZ = fTimeWalkCenter; | |
615 | } | |
616 | ||
617 | if(x < h) { | |
618 | if(x < h2) { | |
619 | effX = fEffBoundary + (fEff2Boundary - fEffBoundary) * x / h2; | |
620 | } else { | |
621 | effX = fEff2Boundary + (fEffCenter - fEff2Boundary) * (x - h2) / (h - h2); | |
622 | } | |
623 | resX = fResBoundary + (fResCenter - fResBoundary) * x / h; | |
624 | timeWalkX = fTimeWalkBoundary + (fTimeWalkCenter - fTimeWalkBoundary) * x / h; | |
625 | nTail[nActivatedPads-1] = 1; | |
626 | } else { | |
627 | effX = fEffCenter; | |
628 | resX = fResCenter; | |
629 | timeWalkX = fTimeWalkCenter; | |
630 | } | |
631 | ||
632 | (effZ<effX) ? eff[nActivatedPads-1] = effZ : eff[nActivatedPads-1] = effX; | |
7e6dce66 | 633 | (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 | 634 | (timeWalkZ<timeWalkX) ? timeWalk[nActivatedPads-1] = 0.001 * timeWalkZ : timeWalk[nActivatedPads-1] = 0.001 * timeWalkX; // ns |
635 | ||
636 | ||
637 | ////// Pad B: | |
638 | if(z < k2) { | |
639 | effZ = fEffBoundary - (fEffBoundary - fEff3Boundary) * (z / k2); | |
640 | } else { | |
641 | effZ = fEff3Boundary * (k - z) / (k - k2); | |
642 | } | |
643 | resZ = fResBoundary + fResSlope * z / k; | |
644 | timeWalkZ = fTimeWalkBoundary + fTimeWalkSlope * z / k; | |
645 | ||
646 | if(z < k && z > 0) { | |
647 | if( (iz == 1 && dZ > 0) || (iz == 2 && dZ < 0) ) { | |
648 | nActivatedPads++; | |
0f4a7374 | 649 | nPlace[nActivatedPads-1] = nPlace[0] + (3 - 2 * iz) * AliTOFGeometry::NpadX(); |
f73548c4 | 650 | eff[nActivatedPads-1] = effZ; |
7e6dce66 | 651 | res[nActivatedPads-1] = 0.001 * TMath::Sqrt(fAddTRes*fAddTRes + resZ * resZ); // ns |
f73548c4 | 652 | timeWalk[nActivatedPads-1] = 0.001 * timeWalkZ; // ns |
653 | nTail[nActivatedPads-1] = 2; | |
654 | if (fTimeDelayFlag) { | |
655 | // qInduced[0] = fMinimumCharge * TMath::Exp(fPulseHeightSlope * z / 2.); | |
656 | // qInduced[nActivatedPads-1] = fMinimumCharge * TMath::Exp(-fPulseHeightSlope * z / 2.); | |
657 | qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * z); | |
658 | logOfqInd = gRandom->Gaus(-fPulseHeightSlope * z, fLogChargeSmearing); | |
659 | timeDelay[nActivatedPads-1] = gRandom->Gaus(-fTimeDelaySlope * logOfqInd, fTimeSmearing); | |
660 | } else { | |
661 | timeDelay[nActivatedPads-1] = 0.; | |
662 | } | |
663 | padId[nActivatedPads-1] = 2; | |
664 | } | |
665 | } | |
666 | ||
667 | ||
668 | ////// Pad C, D, E, F: | |
669 | if(x < k2) { | |
670 | effX = fEffBoundary - (fEffBoundary - fEff3Boundary) * (x / k2); | |
671 | } else { | |
672 | effX = fEff3Boundary * (k - x) / (k - k2); | |
673 | } | |
674 | resX = fResBoundary + fResSlope*x/k; | |
675 | timeWalkX = fTimeWalkBoundary + fTimeWalkSlope*x/k; | |
676 | ||
677 | if(x < k && x > 0) { | |
678 | // C: | |
679 | if(ix > 1 && dX < 0) { | |
680 | nActivatedPads++; | |
681 | nPlace[nActivatedPads-1] = nPlace[0] - 1; | |
682 | eff[nActivatedPads-1] = effX; | |
7e6dce66 | 683 | res[nActivatedPads-1] = 0.001 * TMath::Sqrt(fAddTRes*fAddTRes + resX * resX); // ns |
f73548c4 | 684 | timeWalk[nActivatedPads-1] = 0.001 * timeWalkX; // ns |
685 | nTail[nActivatedPads-1] = 2; | |
686 | if (fTimeDelayFlag) { | |
687 | // qInduced[0] = fMinimumCharge * TMath::Exp(fPulseHeightSlope * x / 2.); | |
688 | // qInduced[nActivatedPads-1] = fMinimumCharge * TMath::Exp(-fPulseHeightSlope * x / 2.); | |
689 | qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * x); | |
690 | logOfqInd = gRandom->Gaus(-fPulseHeightSlope * x, fLogChargeSmearing); | |
691 | timeDelay[nActivatedPads-1] = gRandom->Gaus(-fTimeDelaySlope * logOfqInd, fTimeSmearing); | |
692 | } else { | |
693 | timeDelay[nActivatedPads-1] = 0.; | |
694 | } | |
695 | padId[nActivatedPads-1] = 3; | |
696 | ||
697 | // D: | |
698 | if(z < k && z > 0) { | |
699 | if( (iz == 1 && dZ > 0) || (iz == 2 && dZ < 0) ) { | |
700 | nActivatedPads++; | |
0f4a7374 | 701 | nPlace[nActivatedPads-1] = nPlace[0] + (3 - 2 * iz) * AliTOFGeometry::NpadX() - 1; |
f73548c4 | 702 | eff[nActivatedPads-1] = effX * effZ; |
7e6dce66 | 703 | (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 | 704 | (timeWalkZ<timeWalkX) ? timeWalk[nActivatedPads-1] = 0.001 * timeWalkZ : timeWalk[nActivatedPads-1] = 0.001 * timeWalkX; // ns |
705 | ||
706 | nTail[nActivatedPads-1] = 2; | |
707 | if (fTimeDelayFlag) { | |
708 | if (TMath::Abs(x) < TMath::Abs(z)) { | |
709 | // qInduced[0] = fMinimumCharge * TMath::Exp(fPulseHeightSlope * z / 2.); | |
710 | // qInduced[nActivatedPads-1] = fMinimumCharge * TMath::Exp(-fPulseHeightSlope * z / 2.); | |
711 | qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * z); | |
712 | logOfqInd = gRandom->Gaus(-fPulseHeightSlope * z, fLogChargeSmearing); | |
713 | } else { | |
714 | // qInduced[0] = fMinimumCharge * TMath::Exp(fPulseHeightSlope * x / 2.); | |
715 | // qInduced[nActivatedPads-1] = fMinimumCharge * TMath::Exp(-fPulseHeightSlope * x / 2.); | |
716 | qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * x); | |
717 | logOfqInd = gRandom->Gaus(-fPulseHeightSlope * x, fLogChargeSmearing); | |
718 | } | |
719 | timeDelay[nActivatedPads-1] = gRandom->Gaus(-fTimeDelaySlope * logOfqInd, fTimeSmearing); | |
720 | } else { | |
721 | timeDelay[nActivatedPads-1] = 0.; | |
722 | } | |
723 | padId[nActivatedPads-1] = 4; | |
724 | } | |
725 | } // end D | |
726 | } // end C | |
727 | ||
728 | // E: | |
0f4a7374 | 729 | if(ix < AliTOFGeometry::NpadX() && dX > 0) { |
f73548c4 | 730 | nActivatedPads++; |
731 | nPlace[nActivatedPads-1] = nPlace[0] + 1; | |
732 | eff[nActivatedPads-1] = effX; | |
7e6dce66 | 733 | res[nActivatedPads-1] = 0.001 * (TMath::Sqrt(fAddTRes*fAddTRes + resX * resX)); // ns |
f73548c4 | 734 | timeWalk[nActivatedPads-1] = 0.001 * timeWalkX; // ns |
735 | nTail[nActivatedPads-1] = 2; | |
736 | if (fTimeDelayFlag) { | |
737 | // qInduced[0] = fMinimumCharge * TMath::Exp(fPulseHeightSlope * x / 2.); | |
738 | // qInduced[nActivatedPads-1] = fMinimumCharge * TMath::Exp(-fPulseHeightSlope * x / 2.); | |
739 | qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * x); | |
740 | logOfqInd = gRandom->Gaus(-fPulseHeightSlope * x, fLogChargeSmearing); | |
741 | timeDelay[nActivatedPads-1] = gRandom->Gaus(-fTimeDelaySlope * logOfqInd, fTimeSmearing); | |
742 | } else { | |
743 | timeDelay[nActivatedPads-1] = 0.; | |
744 | } | |
745 | padId[nActivatedPads-1] = 5; | |
746 | ||
747 | ||
748 | // F: | |
749 | if(z < k && z > 0) { | |
750 | if( (iz == 1 && dZ > 0) || (iz == 2 && dZ < 0) ) { | |
751 | nActivatedPads++; | |
0f4a7374 | 752 | nPlace[nActivatedPads - 1] = nPlace[0] + (3 - 2 * iz) * AliTOFGeometry::NpadX() + 1; |
f73548c4 | 753 | eff[nActivatedPads - 1] = effX * effZ; |
7e6dce66 | 754 | (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 | 755 | (timeWalkZ<timeWalkX) ? timeWalk[nActivatedPads-1] = 0.001 * timeWalkZ : timeWalk[nActivatedPads-1] = 0.001*timeWalkX; // ns |
756 | nTail[nActivatedPads-1] = 2; | |
757 | if (fTimeDelayFlag) { | |
758 | if (TMath::Abs(x) < TMath::Abs(z)) { | |
759 | // qInduced[0] = fMinimumCharge * TMath::Exp(fPulseHeightSlope * z / 2.); | |
760 | // qInduced[nActivatedPads-1] = fMinimumCharge * TMath::Exp(-fPulseHeightSlope * z / 2.); | |
761 | qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * z); | |
762 | logOfqInd = gRandom->Gaus(-fPulseHeightSlope * z, fLogChargeSmearing); | |
763 | } else { | |
764 | // qInduced[0] = fMinimumCharge * TMath::Exp(fPulseHeightSlope * x / 2.); | |
765 | // qInduced[nActivatedPads-1] = fMinimumCharge * TMath::Exp(-fPulseHeightSlope * x / 2.); | |
766 | qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * x); | |
767 | logOfqInd = gRandom->Gaus(-fPulseHeightSlope * x, fLogChargeSmearing); | |
768 | } | |
769 | timeDelay[nActivatedPads-1] = gRandom->Gaus(-fTimeDelaySlope * logOfqInd, fTimeSmearing); | |
770 | } else { | |
771 | timeDelay[nActivatedPads-1] = 0.; | |
772 | } | |
773 | padId[nActivatedPads-1] = 6; | |
774 | } | |
775 | } // end F | |
776 | } // end E | |
777 | } // end if(x < k) | |
778 | ||
779 | ||
780 | for (Int_t iPad = 0; iPad < nActivatedPads; iPad++) { | |
781 | if (res[iPad] < fTimeResolution) res[iPad] = fTimeResolution; | |
782 | if(gRandom->Rndm() < eff[iPad]) { | |
783 | isFired[iPad] = kTRUE; | |
784 | nFiredPads++; | |
785 | if(fEdgeTails) { | |
786 | if(nTail[iPad] == 0) { | |
787 | tofTime[iPad] = gRandom->Gaus(geantTime + timeWalk[iPad] + timeDelay[iPad], res[iPad]); | |
788 | } else { | |
789 | ftail->SetParameters(res[iPad], 2. * res[iPad], kSigmaForTail[nTail[iPad]-1]); | |
790 | Double_t timeAB = ftail->GetRandom(); | |
791 | tofTime[iPad] = geantTime + timeWalk[iPad] + timeDelay[iPad] + timeAB; | |
792 | } | |
793 | } else { | |
794 | tofTime[iPad] = gRandom->Gaus(geantTime + timeWalk[iPad] + timeDelay[iPad], res[iPad]); | |
795 | } | |
796 | if (fAverageTimeFlag) { | |
797 | averageTime += tofTime[iPad] * qInduced[iPad]; | |
798 | weightsSum += qInduced[iPad]; | |
799 | } else { | |
800 | averageTime += tofTime[iPad]; | |
801 | weightsSum += 1.; | |
802 | } | |
803 | } | |
804 | } | |
805 | if (weightsSum!=0) averageTime /= weightsSum; | |
806 | } // end else (fEdgeEffect != 0) | |
807 | } | |
808 | ||
809 | //__________________________________________________________________ | |
810 | void AliTOFSDigitizer::PrintParameters()const | |
811 | { | |
812 | // | |
813 | // Print parameters used for sdigitization | |
814 | // | |
815 | cout << " ------------------- "<< GetName() << " -------------" << endl ; | |
816 | cout << " Parameters used for TOF SDigitization " << endl ; | |
817 | // Printing the parameters | |
818 | ||
ea7a588a | 819 | cout << " Number of events: " << (fEvent2-fEvent1) << endl; |
820 | cout << " from event " << fEvent1 << " to event " << (fEvent2-1) << endl; | |
f73548c4 | 821 | cout << " Time Resolution (ns) "<< fTimeResolution <<" Pad Efficiency: "<< fpadefficiency << endl; |
822 | cout << " Edge Effect option: "<< fEdgeEffect<< endl; | |
823 | ||
824 | cout << " Boundary Effect Simulation Parameters " << endl; | |
825 | cout << " Hparameter: "<< fHparameter<<" H2parameter:"<< fH2parameter <<" Kparameter:"<< fKparameter<<" K2parameter: "<< fK2parameter << endl; | |
826 | cout << " Efficiency in the central region of the pad: "<< fEffCenter << endl; | |
827 | cout << " Efficiency at the boundary region of the pad: "<< fEffBoundary << endl; | |
828 | cout << " Efficiency value at H2parameter "<< fEff2Boundary << endl; | |
829 | cout << " Efficiency value at K2parameter "<< fEff3Boundary << endl; | |
830 | cout << " Resolution (ps) in the central region of the pad: "<< fResCenter << endl; | |
831 | cout << " Resolution (ps) at the boundary of the pad : "<< fResBoundary << endl; | |
832 | cout << " Slope (ps/K) for neighbouring pad : "<< fResSlope <<endl; | |
833 | cout << " Time walk (ps) in the central region of the pad : "<< fTimeWalkCenter << endl; | |
834 | cout << " Time walk (ps) at the boundary of the pad : "<< fTimeWalkBoundary<< endl; | |
835 | cout << " Slope (ps/K) for neighbouring pad : "<< fTimeWalkSlope<<endl; | |
836 | cout << " Pulse Heigth Simulation Parameters " << endl; | |
d3c7bfac | 837 | cout << " Flag for delay due to the PulseHeightEffect : "<< fTimeDelayFlag <<endl; |
f73548c4 | 838 | cout << " Pulse Height Slope : "<< fPulseHeightSlope<<endl; |
839 | cout << " Time Delay Slope : "<< fTimeDelaySlope<<endl; | |
840 | cout << " Minimum charge amount which could be induced : "<< fMinimumCharge<<endl; | |
841 | cout << " Smearing in charge in (q1/q2) vs x plot : "<< fChargeSmearing<<endl; | |
842 | cout << " Smearing in log of charge ratio : "<< fLogChargeSmearing<<endl; | |
843 | cout << " Smearing in time in time vs log(q1/q2) plot : "<< fTimeSmearing<<endl; | |
844 | cout << " Flag for average time : "<< fAverageTimeFlag<<endl; | |
845 | cout << " Edge tails option : "<< fEdgeTails << endl; | |
846 | ||
847 | } |