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68861244 | 1 | /************************************************************************** |
8e72349e | 2 | * Copyright(c) 1998-2000, ALICE Experiment at CERN, All rights reserved. * |
68861244 | 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 | ||
0e46b9ae | 16 | //_________________________________________________________________________// |
17 | // // | |
18 | // This is a TTask that makes TOF-Digits out of TOF-SDigits. // | |
19 | // The simulation of the detector is performed at sdigits level: // | |
20 | // during digitization the unique task is the sum of all sdigits in the // | |
21 | // same pad. // | |
22 | // Digits are written to TreeD in branch "TOF". // | |
23 | // // | |
24 | // -- Author : F. Pierella (Bologna University) pierella@bo.infn.it // | |
25 | // // | |
26 | //_________________________________________________________________________// | |
68861244 | 27 | |
5c7c93fa | 28 | //#include "Riostream.h" |
55cb22a1 | 29 | |
5c7c93fa | 30 | //#include "TFile.h" |
3a3ece53 | 31 | #include "TH1F.h" |
32 | #include "TTree.h" | |
33 | #include "TRandom.h" | |
10056aa6 | 34 | #include "TObjArray.h" |
68861244 | 35 | |
d3c7bfac | 36 | #include "AliLoader.h" |
0e46b9ae | 37 | #include "AliLog.h" |
d3c7bfac | 38 | #include "AliRunDigitizer.h" |
0e46b9ae | 39 | #include "AliRunLoader.h" |
40 | #include "AliRun.h" | |
68861244 | 41 | |
0e46b9ae | 42 | #include "AliTOFcalib.h" |
5c7c93fa | 43 | //#include "AliTOFChannelOnline.h" |
10056aa6 | 44 | #include "AliTOFChannelOffline.h" |
55cb22a1 | 45 | #include "AliTOFDigitizer.h" |
8e72349e | 46 | #include "AliTOFdigit.h" |
8e72349e | 47 | #include "AliTOFHitMap.h" |
10056aa6 | 48 | #include "AliTOFGeometry.h" |
0e46b9ae | 49 | #include "AliTOFSDigit.h" |
50 | #include "AliTOF.h" | |
51 | ||
3a3ece53 | 52 | extern TDirectory *gDirectory; |
5c7c93fa | 53 | //extern TFile *gFile; |
3a3ece53 | 54 | extern TRandom *gRandom; |
55 | ||
56 | extern AliRun *gAlice; | |
57 | ||
58 | ||
68861244 | 59 | ClassImp(AliTOFDigitizer) |
60 | ||
8e72349e | 61 | //___________________________________________ |
655e379f | 62 | AliTOFDigitizer::AliTOFDigitizer() : |
63 | AliDigitizer(), | |
b24266ca | 64 | fDigits(new TClonesArray("AliTOFdigit",4000)), |
65 | fSDigitsArray(new TClonesArray("AliTOFSDigit",1000)), | |
8fc02d6f | 66 | fhitMap(0x0), |
67 | fCalib(new AliTOFcalib()) | |
68861244 | 68 | { |
8e72349e | 69 | // Default ctor - don't use it |
8fc02d6f | 70 | InitDecalibration(); |
68861244 | 71 | } |
72 | ||
8e72349e | 73 | //___________________________________________ |
655e379f | 74 | AliTOFDigitizer::AliTOFDigitizer(AliRunDigitizer* manager): |
75 | AliDigitizer(manager), | |
b24266ca | 76 | fDigits(new TClonesArray("AliTOFdigit",4000)), |
77 | fSDigitsArray(new TClonesArray("AliTOFSDigit",1000)), | |
8fc02d6f | 78 | fhitMap(0x0), |
79 | fCalib(new AliTOFcalib()) | |
68861244 | 80 | { |
340693af | 81 | //ctor with RunDigitizer |
8fc02d6f | 82 | InitDecalibration(); |
68861244 | 83 | } |
84 | ||
7aeeaf38 | 85 | //------------------------------------------------------------------------ |
655e379f | 86 | AliTOFDigitizer::AliTOFDigitizer(const AliTOFDigitizer &source): |
87 | AliDigitizer(source), | |
8fc02d6f | 88 | fDigits(source.fDigits), |
89 | fSDigitsArray(source.fSDigitsArray), | |
90 | fhitMap(source.fhitMap), | |
91 | fCalib(source.fCalib) | |
7aeeaf38 | 92 | { |
93 | // copy constructor | |
7aeeaf38 | 94 | } |
95 | ||
96 | //------------------------------------------------------------------------ | |
97 | AliTOFDigitizer& AliTOFDigitizer::operator=(const AliTOFDigitizer &source) | |
98 | { | |
99 | // ass. op. | |
8a190ba2 | 100 | |
101 | if (this == &source) | |
102 | return *this; | |
103 | ||
104 | AliDigitizer::operator=(source); | |
105 | fDigits=source.fDigits; | |
106 | fSDigitsArray=source.fSDigitsArray; | |
107 | fhitMap=source.fhitMap; | |
108 | fCalib=source.fCalib; | |
7aeeaf38 | 109 | return *this; |
110 | ||
111 | } | |
112 | ||
8e72349e | 113 | //------------------------------------------------------------------------ |
68861244 | 114 | AliTOFDigitizer::~AliTOFDigitizer() |
115 | { | |
8e72349e | 116 | // Destructor |
8fc02d6f | 117 | delete fCalib; |
b24266ca | 118 | if (fDigits){ |
119 | fDigits->Delete(); | |
120 | delete fDigits; | |
121 | fDigits=0x0; | |
122 | } | |
123 | if (fSDigitsArray){ | |
124 | fSDigitsArray->Delete(); | |
125 | delete fSDigitsArray; | |
126 | fSDigitsArray=0x0; | |
127 | } | |
68861244 | 128 | } |
8e72349e | 129 | |
130 | //--------------------------------------------------------------------- | |
131 | ||
d076c8d5 | 132 | void AliTOFDigitizer::Exec(Option_t* /*option*/) |
68861244 | 133 | { |
8e72349e | 134 | // |
135 | // Perform digitization and merging. | |
136 | // The algorithm is the following: | |
137 | // - a hitmap is created to check if a pad is already activated; | |
138 | // - an sdigits container is created to collect all sdigits from | |
139 | // different files; | |
140 | // - sdigits are summed using the hitmap; | |
141 | // - the sdigits container is used to create the array of AliTOFdigit. | |
142 | // | |
68861244 | 143 | |
d076c8d5 | 144 | AliDebug(1, ""); |
68861244 | 145 | |
68861244 | 146 | |
8e72349e | 147 | // get the ptr to TOF detector |
148 | AliTOF * tof = (AliTOF *) gAlice->GetDetector("TOF") ; | |
68861244 | 149 | |
8e72349e | 150 | //Make branches |
151 | char branchname[20]; | |
152 | sprintf (branchname, "%s", tof->GetName ()); | |
88cb7938 | 153 | |
154 | AliRunLoader* outrl = AliRunLoader::GetRunLoader(fManager->GetOutputFolderName()); | |
155 | if (outrl == 0x0) | |
156 | { | |
d076c8d5 | 157 | AliError("Can not find Run Loader in output folder."); |
88cb7938 | 158 | return; |
159 | } | |
160 | ||
161 | AliLoader* outgime = outrl->GetLoader("TOFLoader"); | |
162 | if (outgime == 0x0) | |
163 | { | |
d076c8d5 | 164 | AliError("Can not get TOF Loader from Output Run Loader."); |
88cb7938 | 165 | return; |
166 | } | |
167 | ||
168 | TTree* treeD = outgime->TreeD(); | |
169 | if (treeD == 0x0) | |
170 | { | |
171 | outgime->MakeTree("D"); | |
172 | treeD = outgime->TreeD(); | |
173 | } | |
8e72349e | 174 | //Make branch for digits (to be created in Init()) |
175 | tof->MakeBranchInTree(treeD,branchname,&fDigits,4000); | |
176 | ||
177 | // container for all summed sdigits (to be created in Init()) | |
95b42457 | 178 | //fSDigitsArray=new TClonesArray("AliTOFSDigit",1000); |
68861244 | 179 | |
8e72349e | 180 | // create hit map (to be created in Init()) |
10056aa6 | 181 | fhitMap = new AliTOFHitMap(fSDigitsArray); |
68861244 | 182 | |
8e72349e | 183 | // Loop over files to digitize |
184 | ||
185 | for (Int_t inputFile=0; inputFile<fManager->GetNinputs(); | |
186 | inputFile++) { | |
187 | ReadSDigit(inputFile); | |
88cb7938 | 188 | } |
8e72349e | 189 | |
190 | // create digits | |
191 | CreateDigits(); | |
192 | ||
193 | // free used memory for Hit Map in current event | |
194 | delete fhitMap; | |
95b42457 | 195 | fSDigitsArray->Clear(); |
a5c70f8e | 196 | |
8e72349e | 197 | treeD->Fill(); |
c630773f | 198 | |
4d1c7395 | 199 | AliDebug(2,"----------------------------------------"); |
c630773f | 200 | AliInfo(Form("%d digits have been created", fDigits->GetEntriesFast())); |
4d1c7395 | 201 | AliDebug(2,"----------------------------------------"); |
c630773f | 202 | |
88cb7938 | 203 | outgime->WriteDigits("OVERWRITE"); |
204 | outgime->UnloadDigits(); | |
b24266ca | 205 | fDigits->Clear(); |
8e72349e | 206 | |
207 | } | |
208 | ||
209 | //--------------------------------------------------------------------- | |
210 | ||
55cb22a1 | 211 | void AliTOFDigitizer::CreateDigits() |
8e72349e | 212 | { |
213 | // loop on sdigits container to fill the AliTOFdigit TClonesArray | |
214 | // start digitizing all the collected sdigits | |
215 | ||
c7764ee9 | 216 | Int_t ndump=0; // dump the first ndump created digits for each event |
8e72349e | 217 | |
218 | // get the total number of collected sdigits | |
219 | Int_t ndig = fSDigitsArray->GetEntriesFast(); | |
220 | ||
221 | for (Int_t k = 0; k < ndig; k++) { | |
68861244 | 222 | |
da3d3acd | 223 | Int_t vol[5]; // location for a digit |
7e6dce66 | 224 | for (Int_t i=0; i<5; i++) vol[i] = -1; |
68861244 | 225 | |
8e72349e | 226 | // Get the information for this digit |
227 | AliTOFSDigit *tofsdigit = (AliTOFSDigit *) fSDigitsArray->UncheckedAt(k); | |
68861244 | 228 | |
8e72349e | 229 | Int_t nslot=tofsdigit->GetNDigits(); // get the number of slots |
230 | // for current sdigit | |
68861244 | 231 | |
8e72349e | 232 | // TOF sdigit volumes (always the same for all slots) |
da3d3acd | 233 | Int_t sector = tofsdigit->GetSector(); // range [0-17] |
234 | Int_t plate = tofsdigit->GetPlate(); // range [0- 4] | |
d3c7bfac | 235 | Int_t strip = tofsdigit->GetStrip(); // range [0-14/18/19] |
da3d3acd | 236 | Int_t padz = tofsdigit->GetPadz(); // range [0- 1] |
237 | Int_t padx = tofsdigit->GetPadx(); // range [0-47] | |
68861244 | 238 | |
8e72349e | 239 | vol[0] = sector; |
240 | vol[1] = plate; | |
241 | vol[2] = strip; | |
242 | vol[3] = padx; | |
243 | vol[4] = padz; | |
68861244 | 244 | |
8e72349e | 245 | //--------------------- QA section ---------------------- |
246 | // in the while, I perform QA | |
7e6dce66 | 247 | Bool_t isSDigitBad = (sector<0 || sector>17 || plate<0 || plate >4 || padz<0 || padz>1 || padx<0 || padx>47); |
68861244 | 248 | |
4d1c7395 | 249 | if (isSDigitBad) |
250 | AliFatal(Form("strange sdigit found %2d %1d %2d %1d %2d", sector, plate, strip, padz, padx)); | |
8e72349e | 251 | //------------------------------------------------------- |
68861244 | 252 | |
8e72349e | 253 | //------------------- Dump section ---------------------- |
4d1c7395 | 254 | if (k<ndump) { |
255 | AliInfo(Form("%2d-th digit: Sector %2d | Plate %1d | Strip %2d | PadZ %1d | PadX %2d ", k, sector, plate, strip, padz, padx)); | |
3a3ece53 | 256 | AliInfo("----------------------------------------------------"); |
68861244 | 257 | } |
8e72349e | 258 | // ------------------------------------------------------ |
68861244 | 259 | |
8e72349e | 260 | // start loop on number of slots for current sdigit |
261 | for (Int_t islot = 0; islot < nslot; islot++) { | |
bf33f8f0 | 262 | Int_t digit[4] = {-1,-1,-1,-1}; // TOF digit variables |
7aeeaf38 | 263 | Int_t tracknum[AliTOFSDigit::kMAXDIGITS]; // contributing tracks for the current slot |
8e72349e | 264 | |
bf33f8f0 | 265 | Int_t tdc=tofsdigit->GetTdc(islot); digit[0]=tdc; |
266 | Int_t adc=tofsdigit->GetAdc(islot); digit[1]=adc; | |
3e2f0097 | 267 | |
268 | //if (tdc>=8192) continue;//AdC | |
269 | ||
8e72349e | 270 | tracknum[0]=tofsdigit->GetTrack(islot,0); |
271 | tracknum[1]=tofsdigit->GetTrack(islot,1); | |
272 | tracknum[2]=tofsdigit->GetTrack(islot,2); | |
68861244 | 273 | |
7f1e928b | 274 | // new with placement must be used |
8e72349e | 275 | // adding a TOF digit for each slot |
7f1e928b | 276 | TClonesArray &aDigits = *fDigits; |
277 | Int_t last=fDigits->GetEntriesFast(); | |
278 | new (aDigits[last]) AliTOFdigit(tracknum, vol, digit); | |
279 | ||
68861244 | 280 | } |
68861244 | 281 | |
8e72349e | 282 | } // end loop on sdigits - end digitizing all collected sdigits |
55cb22a1 | 283 | |
284 | //Insert Decalibration | |
4d1c7395 | 285 | AliDebug(2,"in digitizer, create digits"); |
8fc02d6f | 286 | DecalibrateTOFSignal(); |
68861244 | 287 | } |
8e72349e | 288 | |
289 | //--------------------------------------------------------------------- | |
290 | ||
291 | void AliTOFDigitizer::ReadSDigit(Int_t inputFile ) | |
68861244 | 292 | { |
8e72349e | 293 | // Read sdigits for current event and inputFile; |
294 | // store them into the sdigits container | |
295 | // and update the hit map | |
296 | // SDigits from different files are assumed to | |
297 | // be created with the same simulation parameters. | |
68861244 | 298 | |
b24266ca | 299 | // creating the TClonesArray to store the digits |
300 | static TClonesArray sdigitsClonesArray("AliTOFSDigit", 1000); | |
301 | sdigitsClonesArray.Clear(); | |
302 | ||
8e72349e | 303 | // get the treeS from manager |
88cb7938 | 304 | AliRunLoader* rl = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(inputFile)); |
305 | if (rl == 0x0) | |
306 | { | |
d076c8d5 | 307 | AliError(Form("Can not find Run Loader in input %d folder.",inputFile)); |
88cb7938 | 308 | return; |
309 | } | |
310 | ||
311 | AliLoader* gime = rl->GetLoader("TOFLoader"); | |
312 | if (gime == 0x0) | |
313 | { | |
d076c8d5 | 314 | AliError(Form("Can not get TOF Loader from Input %d Run Loader.",inputFile)); |
88cb7938 | 315 | return; |
316 | } | |
317 | ||
318 | TTree* currentTreeS=gime->TreeS(); | |
319 | if (currentTreeS == 0x0) | |
320 | { | |
321 | Int_t retval = gime->LoadSDigits(); | |
322 | if (retval) | |
323 | { | |
d076c8d5 | 324 | AliError(Form("Error occured while loading S. Digits for Input %d",inputFile)); |
88cb7938 | 325 | return; |
326 | } | |
327 | currentTreeS=gime->TreeS(); | |
328 | if (currentTreeS == 0x0) | |
329 | { | |
d076c8d5 | 330 | AliError(Form("Can not get S. Digits Tree for Input %d",inputFile)); |
88cb7938 | 331 | return; |
332 | } | |
333 | } | |
8e72349e | 334 | // get the branch TOF inside the treeS |
b24266ca | 335 | TClonesArray * sdigitsDummyContainer=&sdigitsClonesArray; |
8e72349e | 336 | // check if the branch exist |
337 | TBranch* tofBranch=currentTreeS->GetBranch("TOF"); | |
338 | ||
339 | if(!tofBranch){ | |
d076c8d5 | 340 | AliFatal(Form("TOF branch not found for input %d",inputFile)); |
8e72349e | 341 | } |
68861244 | 342 | |
8e72349e | 343 | tofBranch->SetAddress(&sdigitsDummyContainer); |
68861244 | 344 | |
8e72349e | 345 | Int_t nEntries = (Int_t)tofBranch->GetEntries(); |
346 | ||
347 | // Loop through all entries in the tree | |
b020b05f | 348 | Int_t nbytes = 0; |
8e72349e | 349 | |
350 | for (Int_t iEntry = 0; iEntry < nEntries; iEntry++) { | |
68861244 | 351 | |
8e72349e | 352 | // Import the tree |
353 | nbytes += tofBranch->GetEvent(iEntry); | |
68861244 | 354 | |
8e72349e | 355 | // Get the number of sdigits |
356 | Int_t ndig = sdigitsDummyContainer->GetEntriesFast(); | |
357 | ||
358 | for (Int_t k=0; k<ndig; k++) { | |
359 | AliTOFSDigit *tofSdigit= (AliTOFSDigit*) sdigitsDummyContainer->UncheckedAt(k); | |
360 | ||
da3d3acd | 361 | Int_t vol[5]; // location for a sdigit |
7e6dce66 | 362 | for (Int_t i=0; i<5; i++) vol[i] = -1; |
da3d3acd | 363 | |
8e72349e | 364 | // check the sdigit volume |
365 | vol[0] = tofSdigit->GetSector(); | |
366 | vol[1] = tofSdigit->GetPlate(); | |
367 | vol[2] = tofSdigit->GetStrip(); | |
368 | vol[3] = tofSdigit->GetPadx(); | |
369 | vol[4] = tofSdigit->GetPadz(); | |
370 | ||
371 | if (fhitMap->TestHit(vol) != kEmpty) { | |
372 | AliTOFSDigit *sdig = static_cast<AliTOFSDigit*>(fhitMap->GetHit(vol)); | |
373 | sdig->Update(tofSdigit); | |
374 | ||
375 | } else { | |
376 | ||
377 | CollectSDigit(tofSdigit); // collect the current sdigit | |
378 | fhitMap->SetHit(vol); // update the hitmap for location vol | |
379 | ||
380 | } // if (hitMap->TestHit(vol) != kEmpty) | |
381 | ||
382 | } // for (Int_t k=0; k<ndig; k++) | |
383 | ||
384 | } // end loop on entries | |
385 | ||
8e72349e | 386 | } |
387 | ||
388 | ||
389 | //_____________________________________________________________________________ | |
390 | void AliTOFDigitizer::CollectSDigit(AliTOFSDigit * sdigit) | |
391 | { | |
392 | // | |
7f1e928b | 393 | // Add a TOF sdigit in container |
394 | // new with placement must be used | |
395 | TClonesArray &aSDigitsArray = *fSDigitsArray; | |
396 | Int_t last=fSDigitsArray->GetEntriesFast(); | |
397 | // make a copy of the current sdigit and | |
398 | // put it into tmp array | |
399 | new (aSDigitsArray[last]) AliTOFSDigit(*sdigit); | |
68861244 | 400 | } |
55cb22a1 | 401 | |
402 | //_____________________________________________________________________________ | |
8fc02d6f | 403 | void AliTOFDigitizer::InitDecalibration() const { |
8a7fda6f | 404 | // |
405 | // | |
406 | // | |
407 | ||
8fc02d6f | 408 | fCalib->CreateCalArrays(); |
409 | fCalib->ReadSimHistoFromCDB("TOF/Calib", -1); // use AliCDBManager's number | |
410 | fCalib->ReadParOfflineFromCDB("TOF/Calib", -1); // use AliCDBManager's number | |
55cb22a1 | 411 | } |
412 | //--------------------------------------------------------------------- | |
8fc02d6f | 413 | void AliTOFDigitizer::DecalibrateTOFSignal(){ |
55cb22a1 | 414 | |
415 | // Read Calibration parameters from the CDB | |
416 | ||
8fc02d6f | 417 | TObjArray * calOffline= fCalib->GetTOFCalArrayOffline(); |
55cb22a1 | 418 | |
10056aa6 | 419 | AliDebug(2,Form("Size of array for Offline Calibration = %i",calOffline->GetEntries())); |
55cb22a1 | 420 | |
421 | // Initialize Quantities to Simulate ToT Spectra | |
422 | ||
8fc02d6f | 423 | TH1F * hToT= fCalib->GetTOFSimToT(); |
55cb22a1 | 424 | Int_t nbins = hToT->GetNbinsX(); |
340693af | 425 | Float_t delta = hToT->GetBinWidth(1); |
426 | Float_t maxch = hToT->GetBinLowEdge(nbins)+delta; | |
55cb22a1 | 427 | Float_t minch = hToT->GetBinLowEdge(1); |
428 | Float_t max=0,min=0; //maximum and minimum value of the distribution | |
429 | Int_t maxbin=0,minbin=0; //maximum and minimum bin of the distribution | |
b97b1350 | 430 | |
55cb22a1 | 431 | for (Int_t ii=nbins; ii>0; ii--){ |
432 | if (hToT->GetBinContent(ii)!= 0) { | |
340693af | 433 | max = maxch - (nbins-ii-1)*delta; |
55cb22a1 | 434 | maxbin = ii; |
435 | break;} | |
436 | } | |
437 | for (Int_t j=1; j<nbins; j++){ | |
438 | if (hToT->GetBinContent(j)!= 0) { | |
340693af | 439 | min = minch + (j-1)*delta; |
55cb22a1 | 440 | minbin = j; |
441 | break;} | |
442 | } | |
b97b1350 | 443 | |
340693af | 444 | Float_t maxToT=max; |
445 | Float_t minToT=min; | |
bf33f8f0 | 446 | |
340693af | 447 | Float_t maxToTDistr=hToT->GetMaximum(); |
bf33f8f0 | 448 | |
449 | AliDebug (1, Form(" The minimum ToT = %f", minToT)); | |
450 | AliDebug (1, Form(" The maximum ToT = %f", maxToT)); | |
451 | AliDebug (1, Form(" The maximum peak in ToT = %f", maxToTDistr)); | |
55cb22a1 | 452 | |
55cb22a1 | 453 | // Loop on TOF Digits |
454 | ||
b97b1350 | 455 | Bool_t isToTSimulated=kFALSE; |
456 | Bool_t misCalibPars=kFALSE; | |
457 | if(hToT->GetEntries()>0)isToTSimulated=kTRUE; | |
10056aa6 | 458 | Int_t ndigits = fDigits->GetEntriesFast(); |
55cb22a1 | 459 | for (Int_t i=0;i<ndigits;i++){ |
460 | AliTOFdigit * dig = (AliTOFdigit*)fDigits->At(i); | |
461 | Int_t detId[5]; | |
462 | detId[0] = dig->GetSector(); | |
463 | detId[1] = dig->GetPlate(); | |
464 | detId[2] = dig->GetStrip(); | |
465 | detId[3] = dig->GetPadz(); | |
466 | detId[4] = dig->GetPadx(); | |
b97b1350 | 467 | dig->SetTdcND(dig->GetTdc()); // save the non decalibrated time |
468 | if(isToTSimulated){ | |
469 | ||
470 | //A realistic ToT Spectrum was found in input, | |
471 | //decalibrated TOF Digits likely to be simulated.... | |
472 | ||
10056aa6 | 473 | Int_t index = AliTOFGeometry::GetIndex(detId); // The channel index |
10056aa6 | 474 | AliTOFChannelOffline *calChannelOffline = (AliTOFChannelOffline *)calOffline->At(index); //retrieve the info for time slewing |
10056aa6 | 475 | Double_t par[6]; // time slewing parameters |
b97b1350 | 476 | |
477 | //check whether we actually ask for miscalibration | |
478 | ||
b97b1350 | 479 | for (Int_t j = 0; j<6; j++){ |
10056aa6 | 480 | par[j]=(Double_t)calChannelOffline->GetSlewPar(j); |
b97b1350 | 481 | if(par[j]!=0)misCalibPars=kTRUE; |
482 | } | |
40212801 | 483 | AliDebug(2,Form(" Calib Pars = %f (0-th parameter for time slewing + time delay), %f, %f, %f, %f, %f ",par[0],par[1],par[2],par[3],par[4],par[5])); |
484 | ||
b97b1350 | 485 | // Now generate Realistic ToT distribution from TestBeam Data. |
486 | // Tot is in ns, assuming a Matching Window of 10 ns. | |
487 | ||
488 | Float_t simToT = 0; | |
55cb22a1 | 489 | Float_t trix = 0; |
490 | Float_t triy = 0; | |
72fb5d2e | 491 | Double_t timeCorr; |
492 | Double_t tToT; | |
340693af | 493 | while (simToT <= triy){ |
55cb22a1 | 494 | trix = gRandom->Rndm(i); |
495 | triy = gRandom->Rndm(i); | |
340693af | 496 | trix = (maxToT-minToT)*trix + minToT; |
497 | triy = maxToTDistr*triy; | |
55cb22a1 | 498 | Int_t binx=hToT->FindBin(trix); |
340693af | 499 | simToT=hToT->GetBinContent(binx); |
55cb22a1 | 500 | } |
b97b1350 | 501 | // the generated ToT (ns) |
72fb5d2e | 502 | tToT= (Double_t) trix; // to apply slewing we start from ns.. |
503 | // transform TOF signal in ns | |
504 | AliDebug(2,Form(" The Initial Time (counts): %i: ",dig->GetTdc())); | |
10056aa6 | 505 | AliDebug(2,Form(" Time before miscalibration (ps) %e: ",dig->GetTdc()*(Double_t)AliTOFGeometry::TdcBinWidth())); |
b97b1350 | 506 | // add slewing effect |
72fb5d2e | 507 | timeCorr=par[0] + tToT*(par[1] +tToT*(par[2] +tToT*(par[3] +tToT*(par[4] +tToT*par[5])))); |
40212801 | 508 | AliDebug(2,Form(" The Time slewing + delay (ns): %f: ",timeCorr)); |
b97b1350 | 509 | // add global time shift |
72fb5d2e | 510 | //convert to ps |
54d4fb19 | 511 | timeCorr*=1E3; |
10056aa6 | 512 | Double_t timeMis = (Double_t)(dig->GetTdc())*(Double_t)AliTOFGeometry::TdcBinWidth(); |
72fb5d2e | 513 | timeMis = timeMis+timeCorr; |
514 | AliDebug(2,Form(" The Miscalibrated time (ps): %e: ",timeMis)); | |
515 | ||
516 | // now update the digit info | |
517 | ||
518 | Int_t tdcCorr= (Int_t)(timeMis/AliTOFGeometry::TdcBinWidth()); | |
519 | AliDebug(2,Form(" Final Time (counts): %i: ",tdcCorr)); | |
bf33f8f0 | 520 | // Setting Decalibrated Time signal (TDC counts) |
72fb5d2e | 521 | dig->SetTdc(tdcCorr); |
522 | // Setting realistic ToT signal (TDC counts) | |
523 | tToT*=1E3; //back to ps | |
524 | Int_t tot=(Int_t)(tToT/AliTOFGeometry::ToTBinWidth());//(factor 1E3 as input ToT is in ns) | |
bf33f8f0 | 525 | dig->SetToT(tot); |
4d1c7395 | 526 | AliDebug(2,Form(" Final Time and ToT (counts): %d: , %d:",dig->GetTdc(),dig->GetToT())); |
72fb5d2e | 527 | if(tdcCorr<0){ |
4d1c7395 | 528 | AliWarning (Form(" The bad Slewed Time(TDC counts)= %d ", tdcCorr)); |
529 | AliWarning(Form(" The bad ToT (TDC counts)= %d ", tot)); | |
bf33f8f0 | 530 | } |
55cb22a1 | 531 | } |
b97b1350 | 532 | else{ |
533 | // For Data with no Miscalibration, set ToT signal == Adc | |
bf33f8f0 | 534 | dig->SetToT((Int_t)(dig->GetAdc()/AliTOFGeometry::ToTBinWidth())); //remove the factor 10^3 just to have a reasonable ToT range for raw data simulation even in the case of non-realistic ToT distribution (n.b. fAdc is practically an arbitrary quantity, and ToT has no impact on the TOF reco for non-miscalibrated digits) |
55cb22a1 | 535 | } |
55cb22a1 | 536 | } |
537 | ||
4d1c7395 | 538 | if(!isToTSimulated) |
539 | AliDebug(1,"Standard Production, no miscalibrated digits"); | |
540 | else | |
541 | if(!misCalibPars) | |
542 | AliDebug(1,"Standard Production, no miscalibrated digits"); | |
543 | else | |
544 | AliDebug(1,"Simulating miscalibrated digits"); | |
545 | ||
55cb22a1 | 546 | return; |
547 | } | |
548 |