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92aeef15 | 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 | ||
16 | // $Id$ | |
17 | ||
18 | #include "AliMUONDigitizerV3.h" | |
19 | ||
20 | #include "AliLog.h" | |
21 | #include "AliMUONCalibrationData.h" | |
22 | #include "AliMUONChamber.h" | |
23 | #include "AliMUONConstants.h" | |
24 | #include "AliMUONData.h" | |
25 | #include "AliMUONDigit.h" | |
26 | #include "AliMUONTriggerDecisionV1.h" | |
4f8a3d8b | 27 | #include "AliMUONTriggerElectronics.h" |
92aeef15 | 28 | #include "AliMUONCalibParam.h" |
29 | #include "AliMpDEManager.h" | |
30 | #include "AliMpStationType.h" | |
31 | #include "AliRun.h" | |
32 | #include "AliRunDigitizer.h" | |
33 | #include "AliRunLoader.h" | |
34 | #include "Riostream.h" | |
35 | #include "TRandom.h" | |
36 | #include "TString.h" | |
37 | ||
38 | ClassImp(AliMUONDigitizerV3) | |
39 | ||
40 | //_____________________________________________________________________________ | |
41 | AliMUONDigitizerV3::AliMUONDigitizerV3(AliRunDigitizer* manager, | |
42 | ETriggerCodeVersion triggerCodeVersion) | |
43 | : AliDigitizer(manager), | |
44 | fZeroSuppression(6), | |
45 | fSaturation(3000), | |
46 | fIsInitialized(kFALSE), | |
47 | fOutputData(0x0), | |
48 | fCalibrationData(0x0), | |
49 | fTriggerProcessor(0x0), | |
50 | fTriggerCodeVersion(triggerCodeVersion) | |
51 | { | |
52 | AliDebug(1,Form("AliRunDigitizer=%p",fManager)); | |
53 | } | |
54 | ||
55 | //_____________________________________________________________________________ | |
56 | AliMUONDigitizerV3::~AliMUONDigitizerV3() | |
57 | { | |
58 | AliDebug(1,"dtor"); | |
59 | delete fOutputData; | |
60 | delete fCalibrationData; | |
61 | delete fTriggerProcessor; | |
62 | } | |
63 | ||
64 | //_____________________________________________________________________________ | |
65 | void | |
66 | AliMUONDigitizerV3::ApplyResponseToDigit(AliMUONDigit& digit) | |
67 | { | |
68 | // For trigger digits, simply sets the digit's charge to 0 or 1. | |
69 | // | |
70 | // For tracking digits, starting from an ideal digit's charge, we : | |
71 | // | |
72 | // - add some noise (thus leading to a realistic charge) | |
73 | // - divide by a gain (thus decalibrating the digit) | |
74 | // - add a pedestal (thus decalibrating the digit) | |
75 | // - sets the signal to zero if below ZeroSuppression() level (thus simulating | |
76 | // zero suppression). | |
77 | // | |
78 | ||
79 | Int_t detElemId = digit.DetElemId(); | |
80 | AliMpStationType stationType = AliMpDEManager::GetStationType(detElemId); | |
81 | if ( stationType == kStationTrigger ) | |
82 | { | |
83 | if ( digit.Signal() > 0 ) | |
84 | { | |
85 | digit.SetSignal(1); | |
86 | } | |
87 | else | |
88 | { | |
89 | digit.SetSignal(0); | |
90 | } | |
91 | return; | |
92 | } | |
93 | ||
94 | // The following is for tracking digits only. | |
95 | ||
96 | Int_t manuId = digit.ManuId(); | |
97 | Int_t manuChannel = digit.ManuChannel(); | |
98 | ||
99 | AliMUONCalibParam* pedestal = fCalibrationData->Pedestal(detElemId,manuId,manuChannel); | |
100 | if (!pedestal) | |
101 | { | |
102 | AliFatal(Form("Could not get pedestal for DE=%d manuId=%d manuChannel=%d", | |
103 | detElemId,manuId,manuChannel)); | |
104 | } | |
105 | Float_t adc_noise = gRandom->Gaus(0.0,pedestal->Sigma()); | |
106 | ||
107 | AliMUONCalibParam* gain = fCalibrationData->Gain(detElemId,manuId,manuChannel); | |
108 | if (!gain) | |
109 | { | |
110 | AliFatal(Form("Could not get gain for DE=%d manuId=%d manuChannel=%d", | |
111 | detElemId,manuId,manuChannel)); | |
112 | } | |
113 | ||
114 | Float_t signal_noise = adc_noise*gain->Mean(); | |
115 | ||
116 | Float_t signal = digit.Signal() + signal_noise; | |
117 | Int_t adc; | |
118 | ||
119 | if ( signal > fSaturation ) | |
120 | { | |
121 | adc = fSaturation; | |
122 | digit.Saturated(kTRUE); | |
123 | } | |
124 | else | |
125 | { | |
126 | if ( gain->Mean() < 1E-6 ) | |
127 | { | |
128 | AliFatal(Form("Got a too small gain %e for DE=%d manuId=%d manuChannel=%d", | |
129 | gain->Mean(),detElemId,manuId,manuChannel)); | |
130 | } | |
131 | adc = TMath::Nint( signal / gain->Mean() + pedestal->Mean() ); | |
132 | ||
133 | if ( adc <= pedestal->Mean() + 3.0*pedestal->Sigma() ) | |
134 | { | |
135 | adc = 0; | |
136 | } | |
137 | } | |
138 | digit.SetPhysicsSignal(TMath::Nint(signal)); | |
139 | digit.SetSignal(adc); | |
140 | digit.SetADC(adc); | |
141 | } | |
142 | ||
143 | //_____________________________________________________________________________ | |
144 | void | |
145 | AliMUONDigitizerV3::ApplyResponse() | |
146 | { | |
147 | for ( Int_t ich = 0; ich < AliMUONConstants::NCh(); ++ich ) | |
148 | { | |
149 | TClonesArray* digits = fOutputData->Digits(ich); | |
150 | Int_t n = digits->GetEntriesFast(); | |
151 | for ( Int_t i = 0; i < n; ++i ) | |
152 | { | |
153 | AliMUONDigit* d = static_cast<AliMUONDigit*>(digits->UncheckedAt(i)); | |
154 | ApplyResponseToDigit(*d); | |
155 | if ( d->Signal() <= 0 ) | |
156 | { | |
157 | digits->RemoveAt(i); | |
158 | } | |
159 | } | |
160 | } | |
161 | ||
162 | for ( Int_t ich = 0; ich < AliMUONConstants::NCh(); ++ich ) | |
163 | { | |
164 | fOutputData->Digits(ich)->Compress(); | |
165 | } | |
166 | } | |
167 | ||
168 | //_____________________________________________________________________________ | |
169 | void | |
170 | AliMUONDigitizerV3::AddOrUpdateDigit(TClonesArray& array, | |
171 | const AliMUONDigit& digit) | |
172 | { | |
173 | Int_t ix = FindDigitIndex(array,digit); | |
174 | ||
175 | if (ix>=0) | |
176 | { | |
177 | AliMUONDigit* d = static_cast<AliMUONDigit*>(array.UncheckedAt(ix)); | |
178 | Bool_t ok = MergeDigits(digit,*d); | |
179 | if (!ok) | |
180 | { | |
181 | AliError("Digits are not mergeable !"); | |
182 | } | |
183 | else | |
184 | { | |
185 | new(array[ix]) AliMUONDigit(*d); | |
186 | } | |
187 | } | |
188 | else | |
189 | { | |
190 | ix = array.GetLast() + 1; | |
191 | new(array[ix]) AliMUONDigit(digit); | |
192 | } | |
193 | ||
194 | } | |
195 | ||
196 | //_____________________________________________________________________________ | |
197 | void | |
198 | AliMUONDigitizerV3::Exec(Option_t*) | |
199 | { | |
200 | AliDebug(1, "Running digitizer."); | |
201 | ||
202 | if ( fManager->GetNinputs() == 0 ) | |
203 | { | |
204 | AliWarning("No input set. Nothing to do."); | |
205 | return; | |
206 | } | |
207 | ||
208 | if ( !fIsInitialized ) | |
209 | { | |
210 | AliError("Not initialized. Cannot perform the work. Sorry"); | |
211 | return; | |
212 | } | |
213 | ||
214 | Int_t nInputFiles = fManager->GetNinputs(); | |
215 | ||
216 | if ( fOutputData->TreeD() == 0x0 ) | |
217 | { | |
218 | AliDebug(1,"Calling MakeDigitsContainer"); | |
219 | fOutputData->GetLoader()->MakeDigitsContainer(); | |
220 | } | |
221 | fOutputData->MakeBranch("D,GLT"); | |
222 | fOutputData->SetTreeAddress("D,GLT"); | |
223 | ||
224 | // Loop over all the input files, and merge the sdigits found in those | |
225 | // files. | |
226 | for ( Int_t iFile = 0; iFile < nInputFiles; ++iFile ) | |
227 | { | |
228 | AliMUONData* inputData = GetDataAccess(fManager->GetInputFolderName(iFile)); | |
229 | if (!inputData) | |
230 | { | |
231 | AliFatal(Form("Could not get access to input file #%d",iFile)); | |
232 | } | |
233 | AliDebug(1,Form("inputData=%p",inputData)); | |
234 | //FIXME: what about the fMask ??? | |
235 | inputData->GetLoader()->LoadSDigits("READ"); | |
236 | TTree* treeS = inputData->GetLoader()->TreeS(); | |
237 | AliDebug(1,Form("TreeS=%p",treeS)); | |
238 | inputData->SetTreeAddress("S"); | |
239 | inputData->GetSDigits(); | |
240 | MergeWithSDigits(*fOutputData,*inputData); | |
241 | inputData->ResetSDigits(); | |
242 | inputData->GetLoader()->UnloadSDigits(); | |
243 | delete inputData; | |
244 | } | |
245 | ||
246 | // At this point, we do have digit arrays (one per chamber) which contains | |
247 | // the merging of all the sdigits of the input file(s). | |
248 | // We now massage them to apply the detector response, i.e. this | |
249 | // is here that we do the "digitization" work. | |
250 | ||
251 | ApplyResponse(); | |
252 | ||
253 | // | |
254 | ||
255 | // We generate the global and local trigger decisions. | |
256 | fTriggerProcessor->ExecuteTask(); | |
257 | ||
258 | // Fill the output treeD | |
259 | fOutputData->Fill("D,GLT"); | |
260 | ||
261 | // Write to the output tree(D). | |
262 | // Please note that as GlobalTrigger, LocalTrigger and Digits are in the same | |
263 | // tree (=TreeD) in different branches, this WriteDigits in fact writes all of | |
264 | // the 3 branches. | |
265 | fOutputData->GetLoader()->WriteDigits("OVERWRITE"); | |
266 | ||
267 | // Finally, we clean up after ourselves. | |
268 | fOutputData->ResetDigits(); | |
269 | fOutputData->ResetTrigger(); | |
270 | fOutputData->GetLoader()->UnloadDigits(); | |
271 | } | |
272 | ||
273 | //_____________________________________________________________________________ | |
274 | Int_t | |
275 | AliMUONDigitizerV3::FindDigitIndex(TClonesArray& array, const AliMUONDigit& digit) | |
276 | { | |
277 | // FIXME: this is of course not the best implementation you can think of. | |
278 | // Reconsider the use of hit/digit map... | |
279 | Int_t n = array.GetEntriesFast(); | |
280 | for ( Int_t i = 0; i < n; ++i ) | |
281 | { | |
282 | AliMUONDigit* d = static_cast<AliMUONDigit*>(array.UncheckedAt(i)); | |
283 | if ( d->DetElemId() == digit.DetElemId() && | |
284 | d->PadX() == digit.PadX() && | |
285 | d->PadY() == digit.PadY() && | |
286 | d->Cathode() == digit.Cathode() ) | |
287 | { | |
288 | return i; | |
289 | } | |
290 | } | |
291 | return -1; | |
292 | } | |
293 | ||
294 | //_____________________________________________________________________________ | |
295 | AliMUONData* | |
296 | AliMUONDigitizerV3::GetDataAccess(const TString& folderName) | |
297 | { | |
298 | AliDebug(1,Form("Getting access to folder %s",folderName.Data())); | |
299 | AliRunLoader* runLoader = AliRunLoader::GetRunLoader(folderName); | |
300 | if (!runLoader) | |
301 | { | |
302 | AliError(Form("Could not get RunLoader from folder %s",folderName.Data())); | |
303 | return 0x0; | |
304 | } | |
305 | AliLoader* loader = static_cast<AliLoader*>(runLoader->GetLoader("MUONLoader")); | |
306 | if (!loader) | |
307 | { | |
308 | AliError(Form("Could not get MuonLoader from folder %s",folderName.Data())); | |
309 | return 0x0; | |
310 | } | |
311 | AliMUONData* data = new AliMUONData(loader,"MUON","MUONDataForDigitOutput"); | |
312 | AliDebug(1,Form("AliMUONData=%p loader=%p",data,loader)); | |
313 | return data; | |
314 | } | |
315 | ||
316 | //_____________________________________________________________________________ | |
317 | Bool_t | |
318 | AliMUONDigitizerV3::Init() | |
319 | { | |
320 | AliDebug(1,""); | |
321 | ||
322 | if ( fIsInitialized ) | |
323 | { | |
324 | AliError("Object already initialized."); | |
325 | return kFALSE; | |
326 | } | |
327 | ||
328 | if (!fManager) | |
329 | { | |
330 | AliError("fManager is null !"); | |
331 | return kFALSE; | |
332 | } | |
333 | ||
334 | fOutputData = GetDataAccess(fManager->GetOutputFolderName()); | |
335 | if (!fOutputData) | |
336 | { | |
337 | AliError("Can not perform digitization. I'm sorry"); | |
338 | return kFALSE; | |
339 | } | |
340 | AliDebug(1,Form("fOutputData=%p",fOutputData)); | |
341 | ||
342 | AliRunLoader* runLoader = fOutputData->GetLoader()->GetRunLoader(); | |
343 | AliRun* galice = runLoader->GetAliRun(); | |
344 | Int_t runnumber = galice->GetRunNumber(); | |
345 | ||
346 | fCalibrationData = new AliMUONCalibrationData(runnumber); | |
347 | ||
348 | switch (fTriggerCodeVersion) | |
349 | { | |
350 | case kTriggerDecision: | |
351 | fTriggerProcessor = new AliMUONTriggerDecisionV1(fOutputData); | |
352 | break; | |
353 | case kTriggerElectronics: | |
4f8a3d8b | 354 | fTriggerProcessor = new AliMUONTriggerElectronics(fOutputData); |
92aeef15 | 355 | break; |
356 | default: | |
357 | AliFatal("Unknown trigger processor type"); | |
358 | break; | |
359 | } | |
4f8a3d8b | 360 | AliDebug(1,Form("Using the following trigger code %s - %s", |
361 | fTriggerProcessor->GetName(),fTriggerProcessor->GetTitle())); | |
92aeef15 | 362 | fIsInitialized = kTRUE; |
363 | return kTRUE; | |
364 | } | |
365 | ||
366 | //_____________________________________________________________________________ | |
367 | Bool_t | |
368 | AliMUONDigitizerV3::MergeDigits(const AliMUONDigit& src, AliMUONDigit& srcAndDest) | |
369 | { | |
370 | AliDebug(1,"Merging the following digits:"); | |
371 | StdoutToAliDebug(1,src.Print();); | |
372 | StdoutToAliDebug(1,srcAndDest.Print();); | |
373 | ||
374 | Bool_t check = ( src.DetElemId() == srcAndDest.DetElemId() && | |
375 | src.PadX() == srcAndDest.PadX() && | |
376 | src.PadY() == srcAndDest.PadY() && | |
377 | src.Cathode() == srcAndDest.Cathode() ); | |
378 | if (!check) | |
379 | { | |
380 | return kFALSE; | |
381 | } | |
382 | ||
383 | ||
384 | srcAndDest.AddSignal(src.Signal()); | |
385 | srcAndDest.AddPhysicsSignal(src.Physics()); | |
386 | StdoutToAliDebug(1,cout << "result:"; srcAndDest.Print();); | |
387 | return kTRUE; | |
388 | } | |
389 | ||
390 | //_____________________________________________________________________________ | |
391 | void | |
392 | AliMUONDigitizerV3::MergeWithSDigits(AliMUONData& outputData, | |
393 | const AliMUONData& inputData) | |
394 | { | |
395 | AliDebug(1,""); | |
396 | ||
397 | for ( Int_t ich = 0; ich < AliMUONConstants::NCh(); ++ich ) | |
398 | { | |
399 | TClonesArray* iDigits = inputData.SDigits(ich); | |
400 | TClonesArray* oDigits = outputData.Digits(ich); | |
401 | if (!iDigits) | |
402 | { | |
403 | AliError(Form("Could not get sdigits for ich=%d",ich)); | |
404 | return; | |
405 | } | |
406 | Int_t nSDigits = iDigits->GetEntriesFast(); | |
407 | for ( Int_t k = 0; k < nSDigits; ++k ) | |
408 | { | |
409 | AliMUONDigit* sdigit = static_cast<AliMUONDigit*>(iDigits->UncheckedAt(k)); | |
410 | // FIXME: Merging logic should go here. | |
411 | // For testing, only put the digit in the output. | |
412 | if (!sdigit) | |
413 | { | |
414 | AliError(Form("Could not get sdigit for ich=%d and k=%d",ich,k)); | |
415 | } | |
416 | else | |
417 | { | |
418 | AddOrUpdateDigit(*oDigits,*sdigit); | |
419 | } | |
420 | } | |
421 | } | |
422 | } | |
423 | ||
424 | //------------------------------------------------------------------------ | |
425 | //void AliMUONDigitizerv2::FillTriggerOutput() | |
426 | //{ | |
427 | // // Derived to fill TreeD and resets the trigger array in fMUONData. | |
428 | // | |
429 | // AliDebug(3,"Filling trees with trigger."); | |
430 | // fMUONData->Fill("GLT"); | |
431 | // fMUONData->ResetTrigger(); | |
432 | //} | |
433 | // | |
434 | //------------------------------------------------------------------------ | |
435 | //void AliMUONDigitizerv2::CreateTrigger() | |
436 | //{ | |
437 | // fMUONData->MakeBranch("GLT"); | |
438 | // fMUONData->SetTreeAddress("GLT"); | |
439 | // fTrigDec->Digits2Trigger(); | |
440 | // FillTriggerOutput(); | |
441 | // | |
442 | //} | |
443 |