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9e04c3b6 | 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 | ||
090026bf | 16 | /* $Id$ */ |
17 | ||
b0d2c2d3 | 18 | ///_________________________________________________________________________ |
19 | /// | |
20 | /// This class constructs Digits out of Hits | |
21 | /// | |
22 | /// | |
9e04c3b6 | 23 | |
24 | // --- Standard library --- | |
9e04c3b6 | 25 | |
26 | // --- ROOT system --- | |
090026bf | 27 | #include <TMath.h> |
9e04c3b6 | 28 | #include <TTree.h> |
fe0adf2a | 29 | #include <TMap.h> |
8bd3e27a | 30 | #include <TGeoManager.h> |
31 | #include <TGeoPhysicalNode.h> | |
32 | #include <AliGeomManager.h> | |
e939a978 | 33 | #include <TRandom.h> |
9672d66e | 34 | #include <TF1.h> |
9e04c3b6 | 35 | |
36 | // --- AliRoot header files --- | |
37 | #include "AliVZEROConst.h" | |
38 | #include "AliRun.h" | |
39 | #include "AliVZERO.h" | |
40 | #include "AliVZEROhit.h" | |
9e04c3b6 | 41 | #include "AliRunLoader.h" |
42 | #include "AliLoader.h" | |
fe0adf2a | 43 | #include "AliGRPObject.h" |
9e04c3b6 | 44 | #include "AliRunDigitizer.h" |
ce7090f5 | 45 | #include "AliCDBManager.h" |
46 | #include "AliCDBStorage.h" | |
47 | #include "AliCDBEntry.h" | |
48 | #include "AliVZEROCalibData.h" | |
49 | ||
9e04c3b6 | 50 | #include "AliVZEROdigit.h" |
b0d2c2d3 | 51 | #include "AliVZERODigitizer.h" |
9e04c3b6 | 52 | |
53 | ClassImp(AliVZERODigitizer) | |
54 | ||
55 | AliVZERODigitizer::AliVZERODigitizer() | |
fe0adf2a | 56 | :AliDigitizer(), |
57 | fCalibData(GetCalibData()), | |
58 | fPhotoCathodeEfficiency(0.18), | |
59 | fPMVoltage(768.0), | |
60 | fPMGain(TMath::Power((fPMVoltage / 112.5) ,7.04277)), | |
61 | fNdigits(0), | |
62 | fDigits(0), | |
63 | fCollisionMode(0), | |
9672d66e | 64 | fBeamEnergy(0.), |
65 | fSignalShape(NULL) | |
0b2bea8b | 66 | |
9e04c3b6 | 67 | { |
b0d2c2d3 | 68 | // default constructor |
69 | ||
0b2bea8b | 70 | // fNdigits = 0; |
71 | // fDigits = 0; | |
72 | // | |
73 | // fPhotoCathodeEfficiency = 0.18; | |
74 | // fPMVoltage = 768.0; | |
75 | // fPMGain = TMath::Power((fPMVoltage / 112.5) ,7.04277); | |
ce7090f5 | 76 | |
0b2bea8b | 77 | // fCalibData = GetCalibData(); |
9672d66e | 78 | |
79 | fSignalShape = new TF1("VZEROSignalShape",this,&AliVZERODigitizer::SignalShape,0,200,6,"AliVZERODigitizer","SignalShape"); | |
80 | fSignalShape->SetParameters(0,1.57345e1,-4.25603e-1,2.9,6.40982,3.69339e-01); | |
9e04c3b6 | 81 | } |
82 | ||
83 | //____________________________________________________________________________ | |
84 | AliVZERODigitizer::AliVZERODigitizer(AliRunDigitizer* manager) | |
0b2bea8b | 85 | :AliDigitizer(manager), |
86 | fCalibData(GetCalibData()), | |
87 | fPhotoCathodeEfficiency(0.18), | |
88 | fPMVoltage(768.0), | |
89 | fPMGain(TMath::Power((fPMVoltage / 112.5) ,7.04277)), | |
90 | fNdigits(0), | |
fe0adf2a | 91 | fDigits(0), |
92 | fCollisionMode(0), | |
9672d66e | 93 | fBeamEnergy(0.), |
94 | fSignalShape(NULL) | |
0b2bea8b | 95 | |
9e04c3b6 | 96 | { |
97 | // constructor | |
98 | ||
0b2bea8b | 99 | // fNdigits = 0; |
100 | // fDigits = 0; | |
101 | // | |
102 | // fPhotoCathodeEfficiency = 0.18; | |
103 | // fPMVoltage = 768.0; | |
104 | // fPMGain = TMath::Power( (fPMVoltage / 112.5) ,7.04277 ); | |
ce7090f5 | 105 | |
0b2bea8b | 106 | // fCalibData = GetCalibData(); |
9672d66e | 107 | |
108 | fSignalShape = new TF1("VZEROSignalShape",this,&AliVZERODigitizer::SignalShape,0,200,6,"AliVZERODigitizer","SignalShape"); | |
109 | fSignalShape->SetParameters(0,1.57345e1,-4.25603e-1,2.9,6.40982,3.69339e-01); | |
ce7090f5 | 110 | |
9e04c3b6 | 111 | } |
112 | ||
113 | //____________________________________________________________________________ | |
114 | AliVZERODigitizer::~AliVZERODigitizer() | |
115 | { | |
116 | // destructor | |
117 | ||
118 | if (fDigits) { | |
119 | fDigits->Delete(); | |
120 | delete fDigits; | |
b0d2c2d3 | 121 | fDigits=0; |
122 | } | |
9672d66e | 123 | |
124 | if (fSignalShape) { | |
125 | delete fSignalShape; | |
126 | fSignalShape = NULL; | |
127 | } | |
9e04c3b6 | 128 | } |
129 | ||
b0d2c2d3 | 130 | //_____________________________________________________________________________ |
131 | Bool_t AliVZERODigitizer::Init() | |
9e04c3b6 | 132 | { |
b0d2c2d3 | 133 | // Initialises the digitizer |
9e04c3b6 | 134 | |
b0d2c2d3 | 135 | // Initialises the Digit array |
9e04c3b6 | 136 | fDigits = new TClonesArray ("AliVZEROdigit", 1000); |
8bd3e27a | 137 | |
c61a7285 | 138 | // TGeoHMatrix *im = AliGeomManager::GetMatrix("VZERO/V0C"); |
139 | // im->Print(); | |
fe0adf2a | 140 | |
141 | GetCollisionMode(); | |
b0d2c2d3 | 142 | return kTRUE; |
9e04c3b6 | 143 | } |
144 | ||
145 | //____________________________________________________________________________ | |
b0d2c2d3 | 146 | void AliVZERODigitizer::Exec(Option_t* /*option*/) |
ce7090f5 | 147 | { |
b0d2c2d3 | 148 | // Creates digits from hits |
ce7090f5 | 149 | |
db0db003 | 150 | Float_t map[80]; // 48 values on V0C + 32 on V0A |
f25f4990 | 151 | // Int_t pmNumber[80]; |
db0db003 | 152 | Float_t adc[64]; // 32 PMs on V0C + 32 PMs on V0A |
8bd3e27a | 153 | Float_t time[80], time_ref[80], time2[64]; |
154 | Float_t adc_gain[80]; | |
155 | Float_t adc_pedestal[64],adc_sigma[64]; | |
ce7090f5 | 156 | fNdigits = 0; |
8adc9b44 | 157 | Float_t pmGain_smeared[64]; |
8bd3e27a | 158 | Float_t cPM[80]; |
159 | ||
160 | // Smearing of the PM tubes intrinsic characteristics | |
161 | ||
162 | for(Int_t ii=0; ii<64; ii++) { | |
8adc9b44 | 163 | pmGain_smeared[ii] = gRandom->Gaus(fPMGain, fPMGain/5); } |
8bd3e27a | 164 | |
165 | // Retrieval of ADC gain values and pedestal information from local CDB | |
ce7090f5 | 166 | // I use only the first 64th values of the calibration array in CDB |
167 | // as I have no beam burst structure - odd or even beam burst number | |
b0d2c2d3 | 168 | |
ce7090f5 | 169 | // Reminder : We have 16 scintillating cells mounted on 8 PMs |
20277079 | 170 | // on Ring 3 and Ring 4 in V0C - added to produce ADC outputs |
171 | // on these rings... | |
ce7090f5 | 172 | |
8bd3e27a | 173 | for(Int_t i=0; i<16; i++) { |
fad64858 | 174 | adc_gain[i] = fCalibData->GetGain(i); |
175 | cPM[i] = fPhotoCathodeEfficiency * pmGain_smeared[i]; | |
176 | } | |
ce7090f5 | 177 | |
178 | for(Int_t j=16; j<48; j=j+2) { | |
fad64858 | 179 | Int_t i=(j+17)/2; |
180 | adc_gain[j] = fCalibData->GetGain(i); | |
181 | adc_gain[j+1] = fCalibData->GetGain(i); | |
182 | cPM[j] = fPhotoCathodeEfficiency * pmGain_smeared[i]; | |
183 | cPM[j+1] = fPhotoCathodeEfficiency * pmGain_smeared[i]; | |
184 | } | |
8bd3e27a | 185 | |
186 | for(Int_t i=48; i<80; i++){ | |
db0db003 | 187 | adc_gain[i] = fCalibData->GetGain(i-16); |
fad64858 | 188 | cPM[i] = fPhotoCathodeEfficiency * pmGain_smeared[i-16]; |
189 | }; | |
ce7090f5 | 190 | |
fad64858 | 191 | for(Int_t i=0; i<64; i++){ |
192 | adc_pedestal[i] = fCalibData->GetPedestal(i); | |
193 | adc_sigma[i] = fCalibData->GetSigma(i); | |
194 | }; | |
8bd3e27a | 195 | |
196 | // for(Int_t i=0; i<64; i++) { printf(" i = %d pedestal = %f sigma = %f \n\n", | |
197 | // i, adc_pedestal[i], adc_sigma[i] );} | |
ce7090f5 | 198 | |
fad64858 | 199 | AliRunLoader* outRunLoader = AliRunLoader::GetRunLoader(fManager->GetOutputFolderName()); |
b0d2c2d3 | 200 | if (!outRunLoader) { |
201 | Error("Exec", "Can not get output Run Loader"); | |
fad64858 | 202 | return; |
203 | } | |
ce7090f5 | 204 | |
b0d2c2d3 | 205 | AliLoader* outLoader = outRunLoader->GetLoader("VZEROLoader"); |
fad64858 | 206 | |
b0d2c2d3 | 207 | if (!outLoader) { |
208 | Error("Exec", "Can not get output VZERO Loader"); | |
fad64858 | 209 | return; |
210 | } | |
b0d2c2d3 | 211 | |
e539620f | 212 | const char* mode = "update"; |
213 | if(outRunLoader->GetEventNumber() == 0) mode = "recreate"; | |
214 | outLoader->LoadDigits(mode); | |
fad64858 | 215 | |
b0d2c2d3 | 216 | if (!outLoader->TreeD()) outLoader->MakeTree("D"); |
217 | outLoader->MakeDigitsContainer(); | |
ce7090f5 | 218 | TTree* treeD = outLoader->TreeD(); |
b0d2c2d3 | 219 | Int_t bufsize = 16000; |
220 | treeD->Branch("VZERODigit", &fDigits, bufsize); | |
c299dbe4 | 221 | |
b0d2c2d3 | 222 | for (Int_t iInput = 0; iInput < fManager->GetNinputs(); iInput++) { |
fad64858 | 223 | AliRunLoader* runLoader = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(iInput)); |
8bd3e27a | 224 | AliLoader* loader = runLoader->GetLoader("VZEROLoader"); |
225 | if (!loader) { | |
226 | Error("Exec", "Can not get VZERO Loader for input %d", iInput); | |
fad64858 | 227 | continue; |
228 | } | |
ce7090f5 | 229 | |
8bd3e27a | 230 | if (!runLoader->GetAliRun()) runLoader->LoadgAlice(); |
b0d2c2d3 | 231 | |
8bd3e27a | 232 | AliVZERO* vzero = (AliVZERO*) runLoader->GetAliRun()->GetDetector("VZERO"); |
233 | if (!vzero) { | |
234 | Error("Exec", "No VZERO detector for input %d", iInput); | |
fad64858 | 235 | continue; |
236 | } | |
9e04c3b6 | 237 | |
8bd3e27a | 238 | loader->LoadHits(); |
239 | TTree* treeH = loader->TreeH(); | |
240 | if (!treeH) { | |
241 | Error("Exec", "Cannot get TreeH for input %d", iInput); | |
fad64858 | 242 | continue; |
243 | } | |
c299dbe4 | 244 | |
8bd3e27a | 245 | for(Int_t i=0; i<80; i++) {map[i] = 0; time[i] = 0.0;} |
fe0adf2a | 246 | |
8bd3e27a | 247 | TClonesArray* hits = vzero->Hits(); |
9e04c3b6 | 248 | |
b0d2c2d3 | 249 | // Now makes Digits from hits |
fe0adf2a | 250 | |
8bd3e27a | 251 | Int_t nTracks = (Int_t) treeH->GetEntries(); |
252 | for (Int_t iTrack = 0; iTrack < nTracks; iTrack++) { | |
253 | for (Int_t i=0; i<80; i++) {time_ref[i] = 999999.0;} | |
254 | vzero->ResetHits(); | |
255 | treeH->GetEvent(iTrack); | |
256 | Int_t nHits = hits->GetEntriesFast(); | |
257 | for (Int_t iHit = 0; iHit < nHits; iHit++) { | |
fad64858 | 258 | AliVZEROhit* hit = (AliVZEROhit *)hits->UncheckedAt(iHit); |
259 | Int_t nPhot = hit->Nphot(); | |
260 | Int_t cell = hit->Cell(); | |
db0db003 | 261 | map[cell] += Float_t(nPhot); |
fad64858 | 262 | Float_t dt_scintillator = gRandom->Gaus(0,0.7); |
263 | Float_t t = dt_scintillator + 1e9*hit->Tof(); | |
264 | if (t > 0.0) { | |
265 | if(t < time_ref[cell]) time_ref[cell] = t; | |
266 | time[cell] = TMath::Min(t,time_ref[cell]); | |
267 | } | |
8bd3e27a | 268 | } // hit loop |
269 | } // track loop | |
b0d2c2d3 | 270 | |
8bd3e27a | 271 | loader->UnloadHits(); |
b0d2c2d3 | 272 | |
273 | } // input loop | |
20277079 | 274 | |
275 | // Now builds the scintillator cell response (80 cells i.e. 80 responses) | |
841137ce | 276 | |
20277079 | 277 | for (Int_t i=0; i<80; i++) { |
8adc9b44 | 278 | Float_t q1 = Float_t ( map[i] )* cPM[i] * kQe; |
279 | Float_t noise = gRandom->Gaus(10.5,3.22); | |
280 | Float_t pmResponse = q1/kC*TMath::Power(ktheta/kthau,1/(1-ktheta/kthau)) | |
8bd3e27a | 281 | + noise*1e-3; |
fe0adf2a | 282 | if(fCollisionMode >0) adc_gain[i] = adc_gain[i]/70.0; // reduce dynamics in Ion Collision Mode |
db0db003 | 283 | map[i] = pmResponse * adc_gain[i]; |
fe0adf2a | 284 | Float_t MIP = 1.0/fCalibData->GetMIPperADC(GetPMNumber(i)); |
285 | if(fCollisionMode >0) MIP=2.0; | |
286 | // printf("cell = %d, ADC = %d, TDC = %f \n",i,map[i], time[i]*10.0 ); | |
db0db003 | 287 | if(map[i] > (MIP/2.) ) |
288 | {map[i] = gRandom->Gaus(map[i], (MIP/6.) );} | |
8adc9b44 | 289 | } |
c299dbe4 | 290 | |
8bd3e27a | 291 | // Now transforms 80 cell responses into 64 photomultiplier responses |
292 | // Also adds the ADC pedestals taken out of the calibration data base | |
20277079 | 293 | |
8bd3e27a | 294 | for (Int_t j=0; j<16; j++){ |
db0db003 | 295 | adc[j] = map [j] + gRandom->Gaus(adc_pedestal[j], adc_sigma[j]); |
20277079 | 296 | time2[j]= time[j];} |
297 | ||
298 | for (Int_t j=48; j<80; j++){ | |
db0db003 | 299 | adc[j-16] = map [j] + gRandom->Gaus(adc_pedestal[j-16],adc_sigma[j-16]); |
8bd3e27a | 300 | time2[j-16]= time[j]; } |
20277079 | 301 | |
302 | for (Int_t j=0; j<16; j++){ | |
db0db003 | 303 | adc[16+j] = map [16+2*j]+ map [16+2*j+1] + gRandom->Gaus(adc_pedestal[16+j], adc_sigma[16+j]); |
c299dbe4 | 304 | Float_t min_time = TMath::Min(time [16+2*j],time [16+2*j+1]); |
305 | time2[16+j] = min_time; | |
8bd3e27a | 306 | if(min_time==0.0){time2[16+j]=TMath::Max(time[16+2*j],time[16+2*j+1]);} |
c299dbe4 | 307 | } |
308 | ||
309 | ||
20277079 | 310 | // Now add digits to the digit Tree |
311 | ||
312 | for (Int_t i=0; i<64; i++) { | |
313 | if(adc[i] > 0) { | |
fad64858 | 314 | // printf(" Event, cell, adc, tof = %d %d %d %d\n", |
315 | // outRunLoader->GetEventNumber(),i, adc[i], Int_t((time2[i]*10.0) +0.5)); | |
8bd3e27a | 316 | // multiply by 10 to have 100 ps per channel : |
fad64858 | 317 | |
4682ffee | 318 | AddDigit(i, adc[i], time2[i] ) ; |
fad64858 | 319 | } |
20277079 | 320 | } |
b0d2c2d3 | 321 | treeD->Fill(); |
322 | outLoader->WriteDigits("OVERWRITE"); | |
323 | outLoader->UnloadDigits(); | |
324 | ResetDigit(); | |
9e04c3b6 | 325 | } |
326 | ||
327 | //____________________________________________________________________________ | |
db0db003 | 328 | void AliVZERODigitizer::AddDigit(Int_t PMnumber, Float_t adc, Float_t time) |
9e04c3b6 | 329 | { |
330 | ||
331 | // Adds Digit | |
332 | ||
333 | TClonesArray &ldigits = *fDigits; | |
fad64858 | 334 | Bool_t integrator; |
335 | if (((Int_t) gRandom->Uniform(2))<1) integrator = kFALSE; | |
336 | else integrator = kTRUE; | |
337 | ||
338 | new(ldigits[fNdigits++]) AliVZEROdigit(PMnumber,adc,time,0,kFALSE,kFALSE,integrator); | |
339 | ||
9e04c3b6 | 340 | } |
341 | //____________________________________________________________________________ | |
342 | void AliVZERODigitizer::ResetDigit() | |
343 | { | |
fe0adf2a | 344 | |
9e04c3b6 | 345 | // Clears Digits |
fe0adf2a | 346 | |
9e04c3b6 | 347 | fNdigits = 0; |
b0d2c2d3 | 348 | if (fDigits) fDigits->Delete(); |
9e04c3b6 | 349 | } |
ce7090f5 | 350 | |
fe0adf2a | 351 | //____________________________________________________________________________ |
352 | void AliVZERODigitizer::GetCollisionMode() | |
353 | { | |
354 | // Retrieves the collision mode from GRP data | |
355 | ||
356 | // Initialization of the GRP entry | |
357 | ||
358 | Int_t run = AliCDBManager::Instance()->GetRun(); | |
359 | ||
360 | // printf("\n ++++++ Run Number retrieved as %d \n",run); | |
361 | ||
362 | AliCDBEntry* entry = AliCDBManager::Instance()->Get("GRP/GRP/Data",run); | |
363 | AliGRPObject* grpData = 0x0; | |
364 | ||
365 | if(entry){ | |
366 | TMap* m = dynamic_cast<TMap*>(entry->GetObject()); // old GRP entry | |
367 | if(m){ | |
368 | m->Print(); | |
369 | grpData = new AliGRPObject(); | |
370 | grpData->ReadValuesFromMap(m); | |
371 | } | |
372 | else{ | |
373 | grpData = dynamic_cast<AliGRPObject*>(entry->GetObject()); // new GRP entry | |
374 | entry->SetOwner(0); | |
375 | } | |
376 | AliCDBManager::Instance()->UnloadFromCache("GRP/GRP/Data"); | |
377 | } | |
378 | ||
379 | if(!grpData) AliError("No GRP entry found in OCDB!"); | |
380 | ||
381 | // Retrieval of collision mode | |
382 | ||
383 | TString beamType = grpData->GetBeamType(); | |
384 | if(beamType==AliGRPObject::GetInvalidString()){ | |
385 | AliError("GRP/GRP/Data entry: missing value for the beam type !"); | |
386 | AliError("\t VZERO cannot retrieve beam type\n"); | |
387 | return; | |
388 | } | |
389 | ||
390 | if( (beamType.CompareTo("P-P") ==0) || (beamType.CompareTo("p-p") ==0) ){ | |
391 | fCollisionMode=0; | |
392 | } | |
393 | else if( (beamType.CompareTo("Pb-Pb") ==0) || (beamType.CompareTo("A-A") ==0) ){ | |
394 | fCollisionMode=1; | |
395 | } | |
396 | ||
397 | fBeamEnergy = grpData->GetBeamEnergy(); | |
398 | if(fBeamEnergy==AliGRPObject::GetInvalidFloat()) { | |
399 | AliError("GRP/GRP/Data entry: missing value for the beam energy ! Using 0"); | |
400 | fBeamEnergy = 0.; | |
401 | } | |
402 | ||
403 | // printf("\n ++++++ Beam type and collision mode retrieved as %s %d @ %1.3f GeV ++++++\n\n",beamType.Data(), fCollisionMode, fBeamEnergy); | |
404 | ||
405 | } | |
406 | ||
ce7090f5 | 407 | //____________________________________________________________________________ |
408 | AliVZEROCalibData* AliVZERODigitizer::GetCalibData() const | |
409 | ||
410 | { | |
c0b82b5a | 411 | AliCDBManager *man = AliCDBManager::Instance(); |
ce7090f5 | 412 | |
c0b82b5a | 413 | AliCDBEntry *entry=0; |
ce7090f5 | 414 | |
c0b82b5a | 415 | entry = man->Get("VZERO/Calib/Data"); |
416 | ||
df791951 | 417 | // if(!entry){ |
418 | // AliWarning("Load of calibration data from default storage failed!"); | |
419 | // AliWarning("Calibration data will be loaded from local storage ($ALICE_ROOT)"); | |
420 | // Int_t runNumber = man->GetRun(); | |
162637e4 | 421 | // entry = man->GetStorage("local://$ALICE_ROOT/OCDB") |
df791951 | 422 | // ->Get("VZERO/Calib/Data",runNumber); |
423 | // | |
424 | // } | |
c0b82b5a | 425 | |
426 | // Retrieval of data in directory VZERO/Calib/Data: | |
ce7090f5 | 427 | |
ce7090f5 | 428 | |
c0b82b5a | 429 | AliVZEROCalibData *calibdata = 0; |
ce7090f5 | 430 | |
c0b82b5a | 431 | if (entry) calibdata = (AliVZEROCalibData*) entry->GetObject(); |
df791951 | 432 | if (!calibdata) AliFatal("No calibration data from calibration database !"); |
ce7090f5 | 433 | |
c0b82b5a | 434 | return calibdata; |
ce7090f5 | 435 | |
436 | } | |
437 | ||
8adc9b44 | 438 | //____________________________________________________________________________ |
439 | Int_t AliVZERODigitizer::GetPMNumber(Int_t cell) const | |
440 | ||
441 | { | |
442 | ||
443 | Int_t pmNumber[80] = { 0, 1, 2, 3, 4, 5, 6, 7, | |
444 | 8, 9, 10, 11, 12, 13, 14, 15, | |
445 | 16, 16, 17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 22, 22, 23, 23, | |
446 | 24, 24, 25, 25, 26, 26, 27, 27, 28, 28, 29, 29, 30, 30, 31, 31, | |
447 | 32, 33, 34, 35, 36, 37, 38, 39, | |
448 | 40, 41, 42, 43, 44, 45, 46, 47, | |
449 | 48, 49, 50, 51, 52, 53, 54, 55, | |
450 | 56, 57, 58, 59, 60, 61, 62, 63 }; | |
451 | ||
452 | return pmNumber[cell]; | |
453 | } | |
454 | ||
9672d66e | 455 | double AliVZERODigitizer::SignalShape(double *x, double *par) |
456 | { | |
457 | Double_t xx = x[0]; | |
458 | if (xx <= par[0]) return 0; | |
459 | Double_t a = 1./TMath::Power((xx-par[0])/par[1],1./par[2]); | |
460 | if (xx <= par[3]) return a; | |
461 | Double_t b = 1./TMath::Power((xx-par[3])/par[4],1./par[5]); | |
462 | // Double_t f = TMath::Min(a,b); | |
463 | Double_t f = a*b/(a+b); | |
464 | AliDebug(100,Form("x=%f func=%f",xx,f)); | |
465 | return f; | |
466 | } |