]>
Commit | Line | Data |
---|---|---|
47890cd3 | 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 | /* $Id$ */ |
47890cd3 | 17 | |
18 | /////////////////////////////////////////////////////////////////////////// | |
19 | // // | |
20 | // V-Zero Detector // | |
21 | // This class contains the base procedures for the VZERO detector // | |
b0d2c2d3 | 22 | // Default geometry of November 2003 : V0R box is 4.4 cm thick // |
23 | // scintillators are 2 cm thick // | |
47890cd3 | 24 | // All comments should be sent to Brigitte CHEYNIS : // |
61874e87 | 25 | // b.cheynis@ipnl.in2p3.fr // |
26 | // // | |
47890cd3 | 27 | // // |
28 | /////////////////////////////////////////////////////////////////////////// | |
29 | ||
88cb7938 | 30 | |
b2501ea3 | 31 | // --- Standard libraries --- |
3af027ba | 32 | #include <Riostream.h> |
b0d2c2d3 | 33 | #include <stdlib.h> |
47890cd3 | 34 | |
b2501ea3 | 35 | // --- ROOT libraries --- |
36 | #include <TNamed.h> | |
b0d2c2d3 | 37 | #include "TROOT.h" |
38 | #include "TFile.h" | |
39 | #include "TNetFile.h" | |
40 | #include "TRandom.h" | |
41 | #include "TTree.h" | |
42 | #include "TBranch.h" | |
43 | #include "TClonesArray.h" | |
44 | #include "TStopwatch.h" | |
b6fd9c4a | 45 | #include "TParameter.h" |
0984ee9d | 46 | #include "TF1.h" |
b2501ea3 | 47 | |
48 | // --- AliRoot header files --- | |
49 | #include "AliRun.h" | |
50 | #include "AliMC.h" | |
47890cd3 | 51 | #include "AliVZERO.h" |
b2501ea3 | 52 | #include "AliVZEROLoader.h" |
b0d2c2d3 | 53 | #include "AliVZERODigitizer.h" |
54 | #include "AliVZEROBuffer.h" | |
f21fc003 | 55 | #include "AliDigitizationInput.h" |
b0d2c2d3 | 56 | #include "AliVZEROdigit.h" |
0984ee9d | 57 | #include "AliVZEROSDigit.h" |
362c9d61 | 58 | #include "AliDAQ.h" |
20a489c2 | 59 | #include "AliRawReader.h" |
0984ee9d | 60 | #include "AliCDBManager.h" |
61 | #include "AliCDBEntry.h" | |
20a489c2 | 62 | #include "AliVZERORawStream.h" |
b6fd9c4a | 63 | #include "AliVZEROCalibData.h" |
0984ee9d | 64 | #include "AliVZERORecoParam.h" |
65 | #include "AliVZEROReconstructor.h" | |
47890cd3 | 66 | |
67 | ClassImp(AliVZERO) | |
0b2bea8b | 68 | //__________________________________________________________________ |
69 | AliVZERO::AliVZERO(): AliDetector(), | |
70 | fIdSens1(0), | |
71 | fThickness(0.), | |
72 | fThickness1(0.), | |
73 | fMaxStepQua(0.), | |
74 | fMaxStepAlu(0.), | |
75 | fMaxDestepQua(0.), | |
0984ee9d | 76 | fMaxDestepAlu(0.), |
77 | fCalibData(NULL), | |
78 | fTimeSlewing(NULL), | |
79 | fSignalShape(NULL), | |
80 | fRecoParam(NULL) | |
0b2bea8b | 81 | { |
82 | /// Default Constructor | |
83 | ||
84 | AliDebug(1,Form("default (empty) ctor this=%p",this)); | |
0984ee9d | 85 | fIshunt = 0; |
86 | ||
87 | for(Int_t i = 0 ; i < 64; ++i) { | |
88 | fNBins[i] = 0; | |
89 | fBinSize[i] = 0; | |
90 | } | |
0b2bea8b | 91 | } |
0984ee9d | 92 | |
47890cd3 | 93 | //_____________________________________________________________________________ |
94 | AliVZERO::AliVZERO(const char *name, const char *title) | |
0b2bea8b | 95 | : AliDetector(name,title), |
96 | fIdSens1(0), | |
97 | fThickness(4.4), | |
98 | fThickness1(2.0), | |
99 | fMaxStepQua(0.05), | |
100 | fMaxStepAlu(0.01), | |
101 | fMaxDestepQua(-1.0), | |
0984ee9d | 102 | fMaxDestepAlu(-1.0), |
103 | fCalibData(NULL), | |
104 | fTimeSlewing(NULL), | |
105 | fSignalShape(NULL), | |
106 | fRecoParam(NULL) | |
47890cd3 | 107 | { |
0b2bea8b | 108 | |
47890cd3 | 109 | // Standard constructor for VZERO Detector |
0b2bea8b | 110 | |
111 | AliDebug(1,Form("ctor this=%p",this)); | |
47890cd3 | 112 | |
b0d2c2d3 | 113 | // fIshunt = 1; // All hits are associated with primary particles |
47890cd3 | 114 | |
61874e87 | 115 | fHits = new TClonesArray("AliVZEROhit", 400); |
116 | fDigits = new TClonesArray("AliVZEROdigit",400); | |
117 | ||
5d12ce38 | 118 | gAlice->GetMCApp()->AddHitList(fHits); |
61874e87 | 119 | |
0b2bea8b | 120 | // fThickness = 4.4; // total thickness of the V0R box in cm |
121 | // fThickness1 = 2.0; // thickness of scintillating cells in cm | |
122 | // | |
123 | // fMaxStepQua = 0.05; | |
124 | // fMaxStepAlu = 0.01; | |
125 | // | |
126 | // fMaxDestepQua = -1.0; | |
127 | // fMaxDestepAlu = -1.0; | |
47890cd3 | 128 | |
0984ee9d | 129 | for(Int_t i = 0 ; i < 64; ++i) { |
130 | fNBins[i] = 0; | |
131 | fBinSize[i] = 0; | |
132 | } | |
61874e87 | 133 | } |
134 | ||
135 | //_____________________________________________________________________________ | |
136 | AliVZERO::~AliVZERO() | |
137 | { | |
b2501ea3 | 138 | // |
139 | // Default destructor for VZERO Detector | |
140 | // | |
141 | ||
61874e87 | 142 | if (fHits) { |
143 | fHits->Delete(); | |
144 | delete fHits; | |
b0d2c2d3 | 145 | fHits=0; } |
b2501ea3 | 146 | |
147 | if (fDigits) { | |
148 | fDigits->Delete(); | |
149 | delete fDigits; | |
b0d2c2d3 | 150 | fDigits=0; } |
0984ee9d | 151 | if (fSignalShape) { |
152 | delete fSignalShape; | |
153 | fSignalShape = NULL; | |
154 | } | |
155 | if (fRecoParam) { | |
156 | delete fRecoParam; | |
157 | fRecoParam = NULL; | |
158 | } | |
61874e87 | 159 | } |
47890cd3 | 160 | |
47890cd3 | 161 | //_____________________________________________________________________________ |
162 | void AliVZERO::CreateGeometry() | |
163 | { | |
164 | // | |
b2501ea3 | 165 | // Builds simple Geant3 geometry |
47890cd3 | 166 | // |
167 | } | |
168 | //_____________________________________________________________________________ | |
169 | void AliVZERO::CreateMaterials() | |
170 | { | |
171 | // | |
b2501ea3 | 172 | // Creates materials used for Geant3 geometry |
47890cd3 | 173 | // |
174 | } | |
61874e87 | 175 | |
47890cd3 | 176 | //_____________________________________________________________________________ |
47890cd3 | 177 | void AliVZERO::Init() |
178 | { | |
179 | // | |
b2501ea3 | 180 | // Initialises the VZERO class after it has been built |
47890cd3 | 181 | // |
182 | } | |
183 | ||
61874e87 | 184 | |
b2501ea3 | 185 | //_____________________________________________________________________________ |
47890cd3 | 186 | void AliVZERO::SetMaxStepQua(Float_t p1) |
187 | { | |
b2501ea3 | 188 | // |
189 | // Possible parametrisation of steps in active materials | |
190 | // | |
47890cd3 | 191 | fMaxStepQua = p1; |
192 | } | |
193 | ||
b2501ea3 | 194 | //_____________________________________________________________________________ |
47890cd3 | 195 | void AliVZERO::SetMaxStepAlu(Float_t p1) |
196 | { | |
b2501ea3 | 197 | // |
198 | // Possible parametrisation of steps in Aluminum foils (not used in | |
199 | // version v2) | |
200 | // | |
47890cd3 | 201 | fMaxStepAlu = p1; |
202 | } | |
203 | ||
b2501ea3 | 204 | //_____________________________________________________________________________ |
47890cd3 | 205 | void AliVZERO::SetMaxDestepQua(Float_t p1) |
206 | { | |
b2501ea3 | 207 | // |
208 | // Possible parametrisation of steps in active materials (quartz) | |
209 | // | |
47890cd3 | 210 | fMaxDestepQua = p1; |
211 | } | |
212 | ||
b2501ea3 | 213 | //_____________________________________________________________________________ |
47890cd3 | 214 | void AliVZERO::SetMaxDestepAlu(Float_t p1) |
215 | { | |
b2501ea3 | 216 | // |
217 | // Possible parametrisation of steps in Aluminum (not used in | |
218 | // version v2) | |
219 | // | |
47890cd3 | 220 | fMaxDestepAlu = p1; |
221 | } | |
4dbb3fd3 | 222 | |
b2501ea3 | 223 | //_____________________________________________________________________________ |
4dbb3fd3 | 224 | AliLoader* AliVZERO::MakeLoader(const char* topfoldername) |
225 | { | |
b2501ea3 | 226 | // |
227 | // Builds VZEROgetter (AliLoader type) | |
4dbb3fd3 | 228 | // if detector wants to use customized getter, it must overload this method |
b2501ea3 | 229 | // |
3e87825e | 230 | // Info("MakeLoader","Creating AliVZEROLoader. Top folder is %s.",topfoldername); |
231 | ||
232 | AliDebug(1,Form("Creating AliVZEROLoader, Top folder is %s ",topfoldername)); | |
4dbb3fd3 | 233 | fLoader = new AliVZEROLoader(GetName(),topfoldername); |
234 | return fLoader; | |
235 | } | |
236 | ||
b2501ea3 | 237 | //_____________________________________________________________________________ |
238 | void AliVZERO::SetTreeAddress() | |
239 | { | |
b0d2c2d3 | 240 | // |
0e305a84 | 241 | // Sets tree address for hits. |
b2501ea3 | 242 | // |
0e305a84 | 243 | if (fLoader->TreeH() && (fHits == 0x0)) |
244 | fHits = new TClonesArray("AliVZEROhit", 400); | |
245 | ||
246 | AliDetector::SetTreeAddress(); | |
247 | } | |
4dbb3fd3 | 248 | |
b0d2c2d3 | 249 | //_____________________________________________________________________________ |
f21fc003 | 250 | AliDigitizer* AliVZERO::CreateDigitizer(AliDigitizationInput* digInput) const |
b0d2c2d3 | 251 | { |
252 | // | |
253 | // Creates a digitizer for VZERO | |
254 | // | |
f21fc003 | 255 | return new AliVZERODigitizer(digInput); |
b0d2c2d3 | 256 | } |
257 | ||
258 | //_____________________________________________________________________________ | |
259 | void AliVZERO::Hits2Digits(){ | |
260 | // | |
72da5ce8 | 261 | // Converts hits to digits |
b0d2c2d3 | 262 | // |
72da5ce8 | 263 | // Creates the VZERO digitizer |
264 | AliVZERODigitizer* dig = new AliVZERODigitizer(this,AliVZERODigitizer::kHits2Digits); | |
b0d2c2d3 | 265 | |
72da5ce8 | 266 | // Creates the digits |
f21fc003 | 267 | dig->Digitize(""); |
72da5ce8 | 268 | |
3bc365d5 | 269 | // deletes the digitizer |
270 | delete dig; | |
72da5ce8 | 271 | } |
b0d2c2d3 | 272 | |
72da5ce8 | 273 | //_____________________________________________________________________________ |
274 | void AliVZERO::Hits2SDigits(){ | |
275 | // | |
276 | // Converts hits to summable digits | |
277 | // | |
b0d2c2d3 | 278 | // Creates the VZERO digitizer |
72da5ce8 | 279 | AliVZERODigitizer* dig = new AliVZERODigitizer(this,AliVZERODigitizer::kHits2SDigits); |
b0d2c2d3 | 280 | |
72da5ce8 | 281 | // Creates the sdigits |
f21fc003 | 282 | dig->Digitize(""); |
b0d2c2d3 | 283 | |
3bc365d5 | 284 | // deletes the digitizer |
285 | delete dig; | |
b0d2c2d3 | 286 | } |
72da5ce8 | 287 | |
b0d2c2d3 | 288 | //_____________________________________________________________________________ |
289 | void AliVZERO::Digits2Raw() | |
290 | { | |
c4f89fd4 | 291 | // |
292 | // Converts digits of the current event to raw data | |
293 | // | |
b0d2c2d3 | 294 | |
c4f89fd4 | 295 | AliVZERO *fVZERO = (AliVZERO*)gAlice->GetDetector("VZERO"); |
296 | fLoader->LoadDigits(); | |
297 | TTree* digits = fLoader->TreeD(); | |
298 | if (!digits) { | |
299 | Error("Digits2Raw", "no digits tree"); | |
300 | return; | |
301 | } | |
302 | TClonesArray * VZEROdigits = new TClonesArray("AliVZEROdigit",1000); | |
303 | fVZERO->SetTreeAddress(); | |
304 | digits->GetBranch("VZERODigit")->SetAddress(&VZEROdigits); | |
b0d2c2d3 | 305 | |
c4f89fd4 | 306 | const char *fileName = AliDAQ::DdlFileName("VZERO",0); |
307 | AliVZEROBuffer* buffer = new AliVZEROBuffer(fileName); | |
b0d2c2d3 | 308 | |
c4f89fd4 | 309 | // Get Trigger information first |
310 | // Read trigger inputs from trigger-detector object | |
311 | AliDataLoader * dataLoader = fLoader->GetDigitsDataLoader(); | |
312 | if( !dataLoader->IsFileOpen() ) | |
313 | dataLoader->OpenFile( "READ" ); | |
314 | AliTriggerDetector* trgdet = (AliTriggerDetector*)dataLoader->GetDirectory()->Get( "Trigger" ); | |
315 | UInt_t triggerInfo = 0; | |
316 | if(trgdet) { | |
317 | triggerInfo = trgdet->GetMask() & 0xffff; | |
318 | } | |
319 | else { | |
320 | AliError(Form("There is no trigger object for %s",fLoader->GetName())); | |
321 | } | |
b0d2c2d3 | 322 | |
c4f89fd4 | 323 | buffer->WriteTriggerInfo((UInt_t)triggerInfo); |
324 | buffer->WriteTriggerScalers(); | |
325 | buffer->WriteBunchNumbers(); | |
326 | ||
b6fd9c4a | 327 | Int_t aBBflagsV0A = 0; |
328 | Int_t aBBflagsV0C = 0; | |
329 | Int_t aBGflagsV0A = 0; | |
330 | Int_t aBGflagsV0C = 0; | |
331 | ||
332 | if (digits->GetUserInfo()->FindObject("BBflagsV0A")) { | |
333 | aBBflagsV0A = ((TParameter<int>*)digits->GetUserInfo()->FindObject("BBflagsV0A"))->GetVal(); | |
334 | } | |
335 | else | |
336 | AliWarning("V0A beam-beam flags not found in digits tree UserInfo! The flags will not be written to the raw-data stream!"); | |
337 | ||
338 | if (digits->GetUserInfo()->FindObject("BBflagsV0C")) { | |
339 | aBBflagsV0C = ((TParameter<int>*)digits->GetUserInfo()->FindObject("BBflagsV0C"))->GetVal(); | |
340 | } | |
341 | else | |
342 | AliWarning("V0C beam-beam flags not found in digits tree UserInfo! The flags will not be written to the raw-data stream!"); | |
726d762c | 343 | |
b6fd9c4a | 344 | if (digits->GetUserInfo()->FindObject("BGflagsV0A")) { |
345 | aBGflagsV0A = ((TParameter<int>*)digits->GetUserInfo()->FindObject("BGflagsV0A"))->GetVal(); | |
346 | } | |
347 | else | |
348 | AliWarning("V0A beam-gas flags not found in digits tree UserInfo! The flags will not be written to the raw-data stream!"); | |
349 | ||
350 | if (digits->GetUserInfo()->FindObject("BGflagsV0C")) { | |
351 | aBGflagsV0C = ((TParameter<int>*)digits->GetUserInfo()->FindObject("BGflagsV0C"))->GetVal(); | |
352 | } | |
353 | else | |
354 | AliWarning("V0C beam-gas flags not found in digits tree UserInfo! The flags will not be written to the raw-data stream!"); | |
355 | ||
356 | // Now retrieve the channel information: charge smaples + time and | |
357 | // dump it into ADC and Time arrays | |
c4f89fd4 | 358 | Int_t nEntries = Int_t(digits->GetEntries()); |
b6fd9c4a | 359 | Short_t aADC[64][AliVZEROdigit::kNClocks]; |
360 | Float_t aTime[64]; | |
361 | Float_t aWidth[64]; | |
362 | Bool_t aIntegrator[64]; | |
363 | Bool_t aBBflag[64]; | |
364 | Bool_t aBGflag[64]; | |
b0d2c2d3 | 365 | |
c4f89fd4 | 366 | for (Int_t i = 0; i < nEntries; i++) { |
367 | fVZERO->ResetDigits(); | |
368 | digits->GetEvent(i); | |
369 | Int_t ndig = VZEROdigits->GetEntriesFast(); | |
b0d2c2d3 | 370 | |
c4f89fd4 | 371 | if(ndig == 0) continue; |
c4f89fd4 | 372 | for(Int_t k=0; k<ndig; k++){ |
7c786908 | 373 | AliVZEROdigit* fVZERODigit = (AliVZEROdigit*) VZEROdigits->At(k); |
374 | // Convert aliroot channel k into FEE channel iChannel before writing data | |
b6fd9c4a | 375 | Int_t iChannel = AliVZEROCalibData::GetBoardNumber(fVZERODigit->PMNumber()) * 8 + |
376 | AliVZEROCalibData::GetFEEChannelNumber(fVZERODigit->PMNumber()); | |
377 | for(Int_t iClock = 0; iClock < AliVZEROdigit::kNClocks; ++iClock) aADC[iChannel][iClock] = fVZERODigit->ChargeADC(iClock); | |
378 | aTime[iChannel] = fVZERODigit->Time(); | |
379 | aWidth[iChannel] = fVZERODigit->Width(); | |
380 | aIntegrator[iChannel]= fVZERODigit->Integrator(); | |
381 | if(fVZERODigit->PMNumber() < 32) { | |
382 | aBBflag[iChannel] = (aBBflagsV0C >> fVZERODigit->PMNumber()) & 0x1; | |
383 | aBGflag[iChannel] = (aBGflagsV0C >> fVZERODigit->PMNumber()) & 0x1; | |
384 | } | |
385 | else { | |
386 | aBBflag[iChannel] = (aBBflagsV0A >> (fVZERODigit->PMNumber()-32)) & 0x1; | |
387 | aBGflag[iChannel] = (aBGflagsV0A >> (fVZERODigit->PMNumber()-32)) & 0x1; | |
388 | } | |
55a7359d | 389 | AliDebug(1,Form("DDL: %s\tdigit number: %d\tPM number: %d\tADC: %d\tTime: %f", |
58d2283f | 390 | fileName,k,fVZERODigit->PMNumber(),aADC[iChannel][AliVZEROdigit::kNClocks/2],aTime[iChannel])); |
c4f89fd4 | 391 | } |
c4f89fd4 | 392 | } |
b0d2c2d3 | 393 | |
c4f89fd4 | 394 | // Now fill raw data |
395 | ||
396 | for (Int_t iCIU = 0; iCIU < 8; iCIU++) { | |
397 | ||
398 | // decoding of one Channel Interface Unit numbered iCIU - there are 8 channels per CIU (and 8 CIUs) : | |
399 | ||
400 | for(Int_t iChannel_Offset = iCIU*8; iChannel_Offset < (iCIU*8)+8; iChannel_Offset=iChannel_Offset+4) { | |
401 | for(Int_t iChannel = iChannel_Offset; iChannel < iChannel_Offset+4; iChannel++) { | |
b6fd9c4a | 402 | buffer->WriteChannel(iChannel, aADC[iChannel], aIntegrator[iChannel]); |
c4f89fd4 | 403 | } |
b6fd9c4a | 404 | buffer->WriteBeamFlags(&aBBflag[iChannel_Offset],&aBGflag[iChannel_Offset]); |
c4f89fd4 | 405 | buffer->WriteMBInfo(); |
406 | buffer->WriteMBFlags(); | |
407 | buffer->WriteBeamScalers(); | |
408 | } | |
b6fd9c4a | 409 | |
410 | for(Int_t iChannel = iCIU*8 + 7; iChannel >= iCIU*8; iChannel--) { | |
411 | buffer->WriteTiming(aTime[iChannel], aWidth[iChannel]); | |
c4f89fd4 | 412 | } |
726d762c | 413 | |
c4f89fd4 | 414 | // End of decoding of one CIU card |
415 | ||
416 | } // end of decoding the eight CIUs | |
417 | ||
b0d2c2d3 | 418 | delete buffer; |
c4f89fd4 | 419 | fLoader->UnloadDigits(); |
b0d2c2d3 | 420 | } |
421 | ||
20a489c2 | 422 | //_____________________________________________________________________________ |
423 | Bool_t AliVZERO::Raw2SDigits(AliRawReader* rawReader){ | |
424 | // Converts the VZERO raw data into digits | |
425 | // The method is used for merging simulated and | |
426 | // real data events | |
427 | TStopwatch timer; | |
428 | timer.Start(); | |
429 | ||
430 | if(!fLoader) { | |
431 | AliError("no VZERO loader found"); | |
0984ee9d | 432 | return kFALSE; |
433 | } | |
434 | fLoader->LoadSDigits("UPDATE"); | |
20a489c2 | 435 | |
0984ee9d | 436 | if (!fLoader->TreeS()) fLoader->MakeTree("S"); |
437 | fLoader->MakeSDigitsContainer(); | |
438 | TTree* treeS = fLoader->TreeS(); | |
439 | ||
440 | TClonesArray *sdigits = new TClonesArray("AliVZEROSDigit", 64); | |
441 | treeS->Branch("VZEROSDigit", &sdigits); | |
442 | ||
443 | { | |
444 | rawReader->Reset(); | |
445 | AliVZERORawStream rawStream(rawReader); | |
20a489c2 | 446 | |
0984ee9d | 447 | if (!rawStream.Next()) return kFALSE; // No VZERO data found |
448 | ||
449 | GetCalibData(); | |
450 | ||
451 | Int_t nSDigits = 0; | |
452 | Float_t *charges = NULL; | |
453 | Int_t nbins = 0; | |
454 | for(Int_t iChannel=0; iChannel < 64; ++iChannel) { | |
455 | Int_t offlineCh = rawStream.GetOfflineChannel(iChannel); | |
456 | Short_t chargeADC[AliVZEROdigit::kNClocks]; | |
457 | for(Int_t iClock=0; iClock < AliVZEROdigit::kNClocks; ++iClock) { | |
458 | chargeADC[iClock] = rawStream.GetPedestal(iChannel,iClock); | |
459 | } | |
460 | // Integrator flag | |
461 | Bool_t integrator = rawStream.GetIntegratorFlag(iChannel,AliVZEROdigit::kNClocks/2); | |
462 | // HPTDC data (leading time and width) | |
463 | Int_t board = AliVZEROCalibData::GetBoardNumber(offlineCh); | |
464 | Float_t time = rawStream.GetTime(iChannel)*fCalibData->GetTimeResolution(board); | |
465 | // Float_t width = rawStream.GetWidth(iChannel)*fCalibData->GetWidthResolution(board); | |
466 | Float_t adc = 0; | |
467 | ||
468 | // Pedestal retrieval and suppression | |
469 | Float_t maxadc = 0; | |
470 | Int_t imax = -1; | |
471 | Float_t adcPedSub[AliVZEROdigit::kNClocks]; | |
472 | Float_t integral = fSignalShape->Integral(0,200); | |
473 | for(Int_t iClock=0; iClock < AliVZEROdigit::kNClocks; ++iClock) { | |
474 | Bool_t iIntegrator = (iClock%2 == 0) ? integrator : !integrator; | |
475 | Int_t k = offlineCh + 64*iIntegrator; | |
476 | adcPedSub[iClock] = (Float_t)chargeADC[iClock] - fCalibData->GetPedestal(k); | |
477 | if(adcPedSub[iClock] <= fRecoParam->GetNSigmaPed()*fCalibData->GetSigma(k)) { | |
478 | adcPedSub[iClock] = 0; | |
479 | continue; | |
480 | } | |
481 | if(iClock < fRecoParam->GetStartClock() || iClock > fRecoParam->GetEndClock()) continue; | |
482 | if(adcPedSub[iClock] > maxadc) { | |
483 | maxadc = adcPedSub[iClock]; | |
484 | imax = iClock; | |
485 | } | |
486 | } | |
487 | if (imax != -1) { | |
488 | Int_t start = imax - fRecoParam->GetNPreClocks(); | |
489 | if (start < 0) start = 0; | |
490 | Int_t end = imax + fRecoParam->GetNPostClocks(); | |
491 | if (end > 20) end = 20; | |
492 | for(Int_t iClock = start; iClock <= end; iClock++) { | |
493 | adc += adcPedSub[iClock]; | |
494 | } | |
495 | } | |
496 | Float_t correctedTime = CorrectLeadingTime(offlineCh,time,adc); | |
497 | ||
498 | if (!charges) { | |
499 | nbins = fNBins[offlineCh]; | |
500 | charges = new Float_t[nbins]; | |
501 | } | |
502 | else if (nbins != fNBins[offlineCh]) { | |
503 | delete [] charges; | |
504 | nbins = fNBins[offlineCh]; | |
505 | charges = new Float_t[nbins]; | |
506 | } | |
507 | memset(charges,0,nbins*sizeof(Float_t)); | |
508 | ||
509 | // Now lets produce SDigit | |
510 | if ((correctedTime > (AliVZEROReconstructor::kInvalidTime + 1e-6)) && | |
511 | (adc > 1e-6)) { | |
512 | for(Int_t iBin = 0; iBin < nbins; ++iBin) { | |
513 | Float_t t = fBinSize[offlineCh]*Float_t(iBin); | |
514 | if ((t < correctedTime) || | |
515 | (t > (correctedTime+200.))) continue; | |
516 | charges[iBin] = kChargePerADC*adc*(fSignalShape->Eval(t-correctedTime)*fBinSize[offlineCh]/integral); | |
517 | } | |
518 | } | |
519 | ||
520 | TClonesArray &sdigitsref = *sdigits; | |
521 | new (sdigitsref[nSDigits++]) AliVZEROSDigit(offlineCh,fNBins[offlineCh],charges); | |
522 | } | |
523 | if (charges) delete [] charges; | |
524 | } | |
20a489c2 | 525 | |
0984ee9d | 526 | treeS->Fill(); |
527 | fLoader->WriteSDigits("OVERWRITE"); | |
528 | fLoader->UnloadSDigits(); | |
20a489c2 | 529 | |
20a489c2 | 530 | timer.Stop(); |
531 | timer.Print(); | |
c61a7285 | 532 | return kTRUE; |
20a489c2 | 533 | } |
534 | ||
0984ee9d | 535 | //_____________________________________________________________________________ |
536 | void AliVZERO::GetCalibData() | |
537 | { | |
538 | // Gets calibration object for VZERO set | |
539 | // Do nothing in case it is already loaded | |
540 | if (fCalibData) return; | |
541 | ||
542 | AliCDBEntry *entry = AliCDBManager::Instance()->Get("VZERO/Calib/Data"); | |
543 | if (entry) fCalibData = (AliVZEROCalibData*) entry->GetObject(); | |
544 | if (!fCalibData) AliFatal("No calibration data from calibration database !"); | |
545 | ||
546 | AliCDBEntry *entry2 = AliCDBManager::Instance()->Get("VZERO/Calib/TimeSlewing"); | |
547 | if (!entry2) AliFatal("VZERO time slewing function is not found in OCDB !"); | |
548 | fTimeSlewing = (TF1*)entry2->GetObject(); | |
549 | ||
550 | for(Int_t i = 0 ; i < 64; ++i) { | |
551 | Int_t board = AliVZEROCalibData::GetBoardNumber(i); | |
552 | fNBins[i] = TMath::Nint(((Float_t)(fCalibData->GetMatchWindow(board)+1)*25.0+ | |
553 | (Float_t)kMaxTDCWidth*fCalibData->GetWidthResolution(board))/ | |
554 | fCalibData->GetTimeResolution(board)); | |
555 | fBinSize[i] = fCalibData->GetTimeResolution(board); | |
556 | } | |
557 | ||
558 | fSignalShape = new TF1("VZEROSDigitSignalShape",this,&AliVZERO::SignalShape,0,200,6,"AliVZERO","SignalShape"); | |
559 | fSignalShape->SetParameters(0,1.57345e1,-4.25603e-1, | |
560 | 2.9,6.40982,3.69339e-01); | |
561 | ||
562 | fRecoParam = new AliVZERORecoParam; | |
563 | ||
564 | return; | |
565 | } | |
566 | ||
567 | Float_t AliVZERO::CorrectLeadingTime(Int_t i, Float_t time, Float_t adc) const | |
568 | { | |
569 | // Correct the leading time | |
570 | // for slewing effect and | |
571 | // misalignment of the channels | |
572 | if (time < 1e-6) return -1024; | |
573 | ||
574 | // In case of pathological signals | |
575 | if (adc < 1e-6) return time; | |
576 | ||
577 | // Slewing correction | |
b0eaf826 | 578 | Float_t thr = fCalibData->GetCalibDiscriThr(i,kTRUE); |
0984ee9d | 579 | time -= fTimeSlewing->Eval(adc/thr); |
4dbb3fd3 | 580 | |
0984ee9d | 581 | return time; |
582 | } | |
583 | ||
584 | double AliVZERO::SignalShape(double *x, double *par) | |
585 | { | |
586 | // this function simulates the signal | |
587 | // shape used in Raw->SDigits method | |
588 | ||
589 | Double_t xx = x[0]; | |
590 | if (xx <= par[0]) return 0; | |
591 | Double_t a = 1./TMath::Power((xx-par[0])/par[1],1./par[2]); | |
592 | if (xx <= par[3]) return a; | |
593 | Double_t b = 1./TMath::Power((xx-par[3])/par[4],1./par[5]); | |
594 | Double_t f = a*b/(a+b); | |
595 | AliDebug(100,Form("x=%f func=%f",xx,f)); | |
596 | return f; | |
597 | } |