1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
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12 * about the suitability of this software for any purpose. It is *
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16 /* History of cvs commits:
19 * Revision 1.94 2006/03/07 18:56:25 kharlov
20 * CDB is passed via environment variable
22 * Revision 1.93 2005/11/22 08:45:11 kharlov
23 * Calibration is read from CDB if any (Boris Polichtchouk)
25 * Revision 1.92 2005/11/03 13:09:19 hristov
26 * Removing meaningless const declarations (linuxicc)
28 * Revision 1.91 2005/07/27 15:08:53 kharlov
29 * Mixture ArCO2 is corrected
31 * Revision 1.90 2005/06/17 07:39:07 hristov
32 * Removing GetDebug and SetDebug from AliRun and AliModule. Using AliLog for the messages
34 * Revision 1.89 2005/05/28 12:10:07 schutz
35 * Copy constructor is corrected (by T.P.)
39 //_________________________________________________________________________
40 // Base Class for PHOS description:
41 // PHOS consists of a PbWO4 calorimeter (EMCA) and a gazeous charged
42 // particles detector (CPV or PPSD).
43 // The only provided method here is CreateMaterials,
44 // which defines the materials common to all PHOS versions.
46 //*-- Author: Laurent Aphecetche & Yves Schutz (SUBATECH)
47 //////////////////////////////////////////////////////////////////////////////
50 // --- ROOT system ---
54 #include <TVirtualMC.h>
59 // --- Standard library ---
61 // --- AliRoot header files ---
64 #include "AliPHOSGetter.h"
66 #include "AliPHOSDigitizer.h"
67 #include "AliPHOSSDigitizer.h"
68 #include "AliPHOSDigit.h"
69 #include "AliAltroBuffer.h"
71 #include "AliCDBManager.h"
72 #include "AliCDBEntry.h"
73 #include "AliCDBStorage.h"
74 #include "AliPHOSCalibData.h"
78 Double_t AliPHOS::fgCapa = 1.; // 1pF
79 Int_t AliPHOS::fgOrder = 2 ;
80 Double_t AliPHOS::fgTimeMax = 2.56E-5 ; // each sample is over 100 ns fTimeMax/fTimeBins
81 Double_t AliPHOS::fgTimePeak = 4.1E-6 ; // 4 micro seconds
82 Double_t AliPHOS::fgTimeTrigger = 100E-9 ; // 100ns, just for a reference
84 //____________________________________________________________________________
85 AliPHOS:: AliPHOS() : AliDetector()
92 //____________________________________________________________________________
93 AliPHOS::AliPHOS(const char* name, const char* title): AliDetector(name, title)
95 // ctor : title is used to identify the layout
97 // Check if CDB_PATH is defined and take alignment data from CDB
98 AliPHOSAlignData* alignda = 0;
99 if (gSystem->Getenv("CDB_PATH")) {
100 TString cdbPath = gSystem->Getenv("CDB_PATH");
101 AliCDBStorage *cdbStorage = AliCDBManager::Instance()->GetStorage(cdbPath);
102 if (cdbStorage != NULL) {
104 (AliPHOSAlignData*)(cdbStorage->Get("PHOS/Alignment/Geometry",0)->GetObject());
105 if(AliLog::GetGlobalDebugLevel()>0) alignda->Print();
108 Fatal("AliPHOS", "No CDB storage at the path %s", cdbPath.Data()) ;
112 fHighCharge = 8.2 ; // adjusted for a high gain range of 5.12 GeV (10 bits)
114 fHighLowGainFactor = 16. ; // adjusted for a low gain range of 82 GeV (10 bits)
115 fLowGainOffset = GetGeometry(alignda)->GetNModules() + 1 ;
116 // offset added to the module id to distinguish high and low gain data
119 //____________________________________________________________________________
124 //____________________________________________________________________________
125 void AliPHOS::Copy(TObject &obj)const
127 // copy method to be used by the cpy ctor
130 AliPHOS &phos = static_cast<AliPHOS &>(obj);
132 phos.fHighCharge = fHighCharge ;
133 phos.fHighGain = fHighGain ;
134 phos.fHighLowGainFactor = fHighLowGainFactor ;
135 phos.fLowGainOffset = fLowGainOffset;
138 //____________________________________________________________________________
139 AliDigitizer* AliPHOS::CreateDigitizer(AliRunDigitizer* manager) const
141 return new AliPHOSDigitizer(manager);
144 //____________________________________________________________________________
145 void AliPHOS::CreateMaterials()
147 // Definitions of materials to build PHOS and associated tracking media.
148 // media number in idtmed are 699 to 798.
150 // --- The PbWO4 crystals ---
151 Float_t aX[3] = {207.19, 183.85, 16.0} ;
152 Float_t zX[3] = {82.0, 74.0, 8.0} ;
153 Float_t wX[3] = {1.0, 1.0, 4.0} ;
156 AliMixture(0, "PbWO4$", aX, zX, dX, -3, wX) ;
159 // --- The polysterene scintillator (CH) ---
160 Float_t aP[2] = {12.011, 1.00794} ;
161 Float_t zP[2] = {6.0, 1.0} ;
162 Float_t wP[2] = {1.0, 1.0} ;
165 AliMixture(1, "Polystyrene$", aP, zP, dP, -2, wP) ;
168 AliMaterial(2, "Al$", 26.98, 13., 2.7, 8.9, 999., 0, 0) ;
169 // --- Absorption length is ignored ^
171 // --- Tyvek (CnH2n) ---
172 Float_t aT[2] = {12.011, 1.00794} ;
173 Float_t zT[2] = {6.0, 1.0} ;
174 Float_t wT[2] = {1.0, 2.0} ;
177 AliMixture(3, "Tyvek$", aT, zT, dT, -2, wT) ;
179 // --- Polystyrene foam ---
180 Float_t aF[2] = {12.011, 1.00794} ;
181 Float_t zF[2] = {6.0, 1.0} ;
182 Float_t wF[2] = {1.0, 1.0} ;
185 AliMixture(4, "Foam$", aF, zF, dF, -2, wF) ;
188 Float_t aTIT[3] = {47.88, 26.98, 54.94} ;
189 Float_t zTIT[3] = {22.0, 13.0, 25.0} ;
190 Float_t wTIT[3] = {69.0, 6.0, 1.0} ;
193 AliMixture(5, "Titanium$", aTIT, zTIT, dTIT, -3, wTIT);
196 AliMaterial(6, "Si$", 28.0855, 14., 2.33, 9.36, 42.3, 0, 0) ;
200 // --- Foam thermo insulation ---
201 Float_t aTI[2] = {12.011, 1.00794} ;
202 Float_t zTI[2] = {6.0, 1.0} ;
203 Float_t wTI[2] = {1.0, 1.0} ;
206 AliMixture(7, "Thermo Insul.$", aTI, zTI, dTI, -2, wTI) ;
209 Float_t aTX[4] = {16.0, 28.09, 12.011, 1.00794} ;
210 Float_t zTX[4] = {8.0, 14.0, 6.0, 1.0} ;
211 Float_t wTX[4] = {292.0, 68.0, 462.0, 736.0} ;
214 AliMixture(8, "Textolit$", aTX, zTX, dTX, -4, wTX) ;
217 Float_t aFR[4] = {16.0, 28.09, 12.011, 1.00794} ;
218 Float_t zFR[4] = {8.0, 14.0, 6.0, 1.0} ;
219 Float_t wFR[4] = {292.0, 68.0, 462.0, 736.0} ;
222 AliMixture(9, "FR4$", aFR, zFR, dFR, -4, wFR) ;
224 // --- The Composite Material for micromegas (so far polyetylene) ---
225 Float_t aCM[2] = {12.01, 1.} ;
226 Float_t zCM[2] = {6., 1.} ;
227 Float_t wCM[2] = {1., 2.} ;
228 Float_t dCM = 0.935 ;
230 AliMixture(10, "Compo Mat$", aCM, zCM, dCM, -2, wCM) ;
233 AliMaterial(11, "Cu$", 63.546, 29, 8.96, 1.43, 14.8, 0, 0) ;
235 // --- G10 : Printed Circuit material ---
236 Float_t aG10[4] = { 12., 1., 16., 28.} ;
237 Float_t zG10[4] = { 6., 1., 8., 14.} ;
238 Float_t wG10[4] = { .259, .288, .248, .205} ;
241 AliMixture(12, "G10$", aG10, zG10, dG10, -4, wG10);
244 AliMaterial(13, "Pb$", 207.2, 82, 11.35, 0.56, 0., 0, 0) ;
246 // --- The gas mixture ---
248 Float_t aCO[2] = {12.0, 16.0} ;
249 Float_t zCO[2] = {6.0, 8.0} ;
250 Float_t wCO[2] = {1.0, 2.0} ;
251 Float_t dCO = 0.001977 ;
253 AliMixture(14, "CO2$", aCO, zCO, dCO, -2, wCO);
256 Float_t dAr = 0.001782 ;
257 AliMaterial(15, "Ar$", 39.948, 18.0, dAr, 14.0, 0., 0, 0) ;
259 // Ar+CO2 Mixture (80% / 20%)
260 Float_t arContent = 0.80 ; // Ar-content of the ArCO2-mixture
261 Float_t aArCO[3] = {39.948, 12.0, 16.0} ;
262 Float_t zArCO[3] = {18.0 , 6.0, 8.0} ;
264 wArCO[0] = arContent;
265 wArCO[1] = (1-arContent)*1;
266 wArCO[2] = (1-arContent)*2;
267 Float_t dArCO = arContent*dAr + (1-arContent)*dCO ;
268 AliMixture(16, "ArCO2$", aArCO, zArCO, dArCO, -3, wArCO) ;
270 // --- Stainless steel (let it be pure iron) ---
271 AliMaterial(17, "Steel$", 55.845, 26, 7.87, 1.76, 0., 0, 0) ;
274 // --- Fiberglass ---
275 Float_t aFG[4] = {16.0, 28.09, 12.011, 1.00794} ;
276 Float_t zFG[4] = {8.0, 14.0, 6.0, 1.0} ;
277 Float_t wFG[4] = {292.0, 68.0, 462.0, 736.0} ;
280 AliMixture(18, "Fibergla$", aFG, zFG, dFG, -4, wFG) ;
282 // --- Cables in Air box ---
285 Float_t aCA[4] = { 1.,12.,55.8,63.5 };
286 Float_t zCA[4] = { 1.,6.,26.,29. };
287 Float_t wCA[4] = { .014,.086,.42,.48 };
288 Float_t dCA = 0.8 ; //this density is raw estimation, if you know better - correct
290 AliMixture(19, "Cables $", aCA, zCA, dCA, -4, wCA) ;
294 Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
295 Float_t zAir[4]={6.,7.,8.,18.};
296 Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
297 Float_t dAir = 1.20479E-3;
299 AliMixture(99, "Air$", aAir, zAir, dAir, 4, wAir) ;
301 // DEFINITION OF THE TRACKING MEDIA
303 // for PHOS: idtmed[699->798] equivalent to fIdtmed[0->100]
304 Int_t * idtmed = fIdtmed->GetArray() - 699 ;
305 Int_t isxfld = gAlice->Field()->Integ() ;
306 Float_t sxmgmx = gAlice->Field()->Max() ;
308 // The scintillator of the calorimeter made of PBW04 -> idtmed[699]
309 AliMedium(0, "PHOS Xtal $", 0, 1,
310 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
312 // The scintillator of the CPV made of Polystyrene scintillator -> idtmed[700]
313 AliMedium(1, "CPV scint. $", 1, 1,
314 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
316 // Various Aluminium parts made of Al -> idtmed[701]
317 AliMedium(2, "Al parts $", 2, 0,
318 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ;
320 // The Tywek which wraps the calorimeter crystals -> idtmed[702]
321 AliMedium(3, "Tyvek wrapper$", 3, 0,
322 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ;
324 // The Polystyrene foam around the calorimeter module -> idtmed[703]
325 AliMedium(4, "Polyst. foam $", 4, 0,
326 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
328 // The Titanium around the calorimeter crystal -> idtmed[704]
329 AliMedium(5, "Titan. cover $", 5, 0,
330 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.0001, 0.0001, 0, 0) ;
332 // The Silicon of the pin diode to read out the calorimeter crystal -> idtmed[705]
333 AliMedium(6, "Si PIN $", 6, 0,
334 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.01, 0.01, 0, 0) ;
336 // The thermo insulating material of the box which contains the calorimeter module -> idtmed[706]
337 AliMedium(7, "Thermo Insul.$", 7, 0,
338 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
340 // The Textolit which makes up the box which contains the calorimeter module -> idtmed[707]
341 AliMedium(8, "Textolit $", 8, 0,
342 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
344 // FR4: The Plastic which makes up the frame of micromegas -> idtmed[708]
345 AliMedium(9, "FR4 $", 9, 0,
346 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.0001, 0, 0) ;
349 // The Composite Material for micromegas -> idtmed[709]
350 AliMedium(10, "CompoMat $", 10, 0,
351 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
353 // Copper -> idtmed[710]
354 AliMedium(11, "Copper $", 11, 0,
355 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.0001, 0, 0) ;
357 // G10: Printed Circuit material -> idtmed[711]
359 AliMedium(12, "G10 $", 12, 0,
360 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.01, 0, 0) ;
362 // The Lead -> idtmed[712]
364 AliMedium(13, "Lead $", 13, 0,
365 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
367 // The gas mixture: ArCo2 -> idtmed[715]
369 AliMedium(16, "ArCo2 $", 16, 1,
370 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.01, 0, 0) ;
372 // Stainless steel -> idtmed[716]
373 AliMedium(17, "Steel $", 17, 0,
374 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.0001, 0, 0) ;
376 // Fibergalss -> idtmed[717]
377 AliMedium(18, "Fiberglass$", 18, 0,
378 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
380 // Cables in air -> idtmed[718]
381 AliMedium(19, "Cables $", 19, 0,
382 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
384 // Air -> idtmed[798]
385 AliMedium(99, "Air $", 99, 0,
386 isxfld, sxmgmx, 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ;
388 // --- Set decent energy thresholds for gamma and electron tracking
390 // Tracking threshold for photons and electrons in the scintillator crystal
391 gMC->Gstpar(idtmed[699], "CUTGAM",0.5E-4) ;
392 gMC->Gstpar(idtmed[699], "CUTELE",1.0E-4) ;
394 // --- Generate explicitly delta rays in the titan cover ---
395 gMC->Gstpar(idtmed[704], "LOSS",3.) ;
396 gMC->Gstpar(idtmed[704], "DRAY",1.) ;
397 // --- and in aluminium parts ---
398 gMC->Gstpar(idtmed[701], "LOSS",3.) ;
399 gMC->Gstpar(idtmed[701], "DRAY",1.) ;
400 // --- and in PIN diode
401 gMC->Gstpar(idtmed[705], "LOSS",3) ;
402 gMC->Gstpar(idtmed[705], "DRAY",1) ;
403 // --- and in the passive convertor
404 gMC->Gstpar(idtmed[712], "LOSS",3) ;
405 gMC->Gstpar(idtmed[712], "DRAY",1) ;
406 // Tracking threshold for photons and electrons in the gas ArC02
407 gMC->Gstpar(idtmed[715], "CUTGAM",1.E-5) ;
408 gMC->Gstpar(idtmed[715], "CUTELE",1.E-5) ;
409 gMC->Gstpar(idtmed[715], "CUTNEU",1.E-5) ;
410 gMC->Gstpar(idtmed[715], "CUTHAD",1.E-5) ;
411 gMC->Gstpar(idtmed[715], "CUTMUO",1.E-5) ;
412 gMC->Gstpar(idtmed[715], "BCUTE",1.E-5) ;
413 gMC->Gstpar(idtmed[715], "BCUTM",1.E-5) ;
414 gMC->Gstpar(idtmed[715], "DCUTE",1.E-5) ;
415 gMC->Gstpar(idtmed[715], "DCUTM",1.E-5) ;
416 gMC->Gstpar(idtmed[715], "PPCUTM",1.E-5) ;
417 gMC->Gstpar(idtmed[715], "LOSS",2.) ;
418 gMC->Gstpar(idtmed[715], "DRAY",0.) ;
419 gMC->Gstpar(idtmed[715], "STRA",2.) ;
423 //____________________________________________________________________________
424 void AliPHOS::Digits2Raw()
426 // convert digits of the current event to raw data
428 AliPHOSLoader * loader = dynamic_cast<AliPHOSLoader*>(fLoader) ;
431 loader->LoadDigits();
432 TClonesArray* digits = loader->Digits() ;
435 AliError(Form("No digits found !"));
440 loader->LoadDigitizer();
441 // AliPHOSDigitizer * digitizer = dynamic_cast<AliPHOSDigitizer *>(loader->Digitizer()) ;
444 AliPHOSGeometry* geom = GetGeometry();
446 AliError(Form("No geometry found !"));
450 // some digitization constants
451 const Int_t kDDLOffset = 0x600; // assigned to PHOS
452 const Int_t kThreshold = 1; // skip digits below this threshold
454 AliAltroBuffer* buffer = NULL;
456 Int_t adcValuesLow[fkTimeBins];
457 Int_t adcValuesHigh[fkTimeBins];
459 // AliPHOSCalibData* calib=0;
461 // //retrieve calibration database
462 // if(AliCDBManager::Instance()->IsDefaultStorageSet()){
463 // AliCDBEntry *entry = (AliCDBEntry*) AliCDBManager::Instance()->GetDefaultStorage()
464 // ->Get("PHOS/GainFactors_and_Pedestals/Calibration",gAlice->GetRunNumber());
465 // calib = (AliPHOSCalibData*) entry->GetObject();
468 // loop over digits (assume ordered digits)
469 for (Int_t iDigit = 0; iDigit < digits->GetEntries(); iDigit++) {
470 AliPHOSDigit* digit = dynamic_cast<AliPHOSDigit *>(digits->At(iDigit)) ;
471 if (digit->GetAmp() < kThreshold)
474 geom->AbsToRelNumbering(digit->GetId(), relId);
475 Int_t module = relId[0];
479 continue; // ignore digits from CPV
482 // PHOS EMCA has 4 DDL per module. Splitting is done based on the row number
483 Int_t iDDL = 4 * (module - 1) + (4 * (relId[2] - 1)) / geom->GetNPhi();
486 if (iDDL != prevDDL) {
487 // write real header and close previous file
490 buffer->WriteDataHeader(kFALSE, kFALSE);
494 // open new file and write dummy header
495 TString fileName("PHOS_") ;
496 fileName += (iDDL + kDDLOffset) ;
498 buffer = new AliAltroBuffer(fileName.Data(), 1);
499 buffer->WriteDataHeader(kTRUE, kFALSE); //Dummy;
504 // out of time range signal (?)
505 if (digit->GetTimeR() > GetRawFormatTimeMax() ) {
506 buffer->FillBuffer(digit->GetAmp());
507 buffer->FillBuffer(GetRawFormatTimeBins() ); // time bin
508 buffer->FillBuffer(3); // bunch length
509 buffer->WriteTrailer(3, relId[3], relId[2], module); // trailer
511 // calculate the time response function
513 Double_t energy = 0 ;
514 Int_t module = relId[0];
515 // Int_t column = relId[3];
516 // Int_t row = relId[2];
517 if ( digit->GetId() <= geom->GetNModules() * geom->GetNCristalsInModule()) {
519 // energy = digit->GetAmp()*calib->GetADCchannelEmc(module,column,row) +
520 // calib->GetADCpedestalEmc(module,column,row);
522 // energy=digit->GetAmp()*digitizer->GetEMCchannel()+digitizer->GetEMCpedestal();
524 energy=digit->GetAmp();
527 // energy = digit->GetAmp()*digitizer->GetCPVchannel()+digitizer->GetCPVpedestal();
528 energy = 0; // CPV raw data format is now know yet
530 Bool_t lowgain = RawSampledResponse(digit->GetTimeR(), energy, adcValuesHigh, adcValuesLow) ;
533 buffer->WriteChannel(relId[3], relId[2], module + fLowGainOffset,
534 GetRawFormatTimeBins(), adcValuesLow, kThreshold);
536 buffer->WriteChannel(relId[3], relId[2], module,
537 GetRawFormatTimeBins(), adcValuesHigh, kThreshold);
542 // write real header and close last file
545 buffer->WriteDataHeader(kFALSE, kFALSE);
549 loader->UnloadDigits();
552 //____________________________________________________________________________
553 void AliPHOS::Hits2SDigits()
555 // create summable digits
557 AliPHOSSDigitizer phosDigitizer(fLoader->GetRunLoader()->GetFileName().Data()) ;
558 phosDigitizer.SetEventRange(0, -1) ; // do all the events
559 phosDigitizer.ExecuteTask("all") ;
562 //____________________________________________________________________________
563 AliLoader* AliPHOS::MakeLoader(const char* topfoldername)
565 //different behaviour than standard (singleton getter)
566 // --> to be discussed and made eventually coherent
567 fLoader = new AliPHOSLoader(GetName(),topfoldername);
571 //__________________________________________________________________
572 Double_t AliPHOS::RawResponseFunction(Double_t *x, Double_t *par)
574 // Shape of the electronics raw reponse:
575 // It is a semi-gaussian, 2nd order Gamma function of the general form
576 // v(t) = n**n * Q * A**n / C *(t/tp)**n * exp(-n * t/tp) with
577 // tp : peaking time par[0]
578 // n : order of the function
579 // C : integrating capacitor in the preamplifier
580 // A : open loop gain of the preamplifier
581 // Q : the total APD charge to be measured Q = C * energy
584 Double_t xx = x[0] - ( fgTimeTrigger + par[3] ) ;
586 if (xx < 0 || xx > fgTimeMax)
589 Double_t fac = par[0] * TMath::Power(fgOrder, fgOrder) * TMath::Power(par[1], fgOrder) / fgCapa ;
590 signal = fac * par[2] * TMath::Power(xx / fgTimePeak, fgOrder) * TMath::Exp(-fgOrder * (xx / fgTimePeak)) ;
595 //__________________________________________________________________
596 Double_t AliPHOS::RawResponseFunctionMax(Double_t charge, Double_t gain)
598 return ( charge * TMath::Power(fgOrder, fgOrder) * TMath::Power(gain, fgOrder)
599 / ( fgCapa * TMath::Exp(fgOrder) ) );
603 //__________________________________________________________________
604 Bool_t AliPHOS::RawSampledResponse(Double_t dtime, Double_t damp, Int_t * adcH, Int_t * adcL) const
606 // for a start time dtime and an amplitude damp given by digit,
607 // calculates the raw sampled response AliPHOS::RawResponseFunction
609 const Int_t kRawSignalOverflow = 0x3FF ;
610 Bool_t lowGain = kFALSE ;
612 TF1 signalF("signal", RawResponseFunction, 0, GetRawFormatTimeMax(), 4);
614 for (Int_t iTime = 0; iTime < GetRawFormatTimeBins(); iTime++) {
615 signalF.SetParameter(0, GetRawFormatHighCharge() ) ;
616 signalF.SetParameter(1, GetRawFormatHighGain() ) ;
617 signalF.SetParameter(2, damp) ;
618 signalF.SetParameter(3, dtime) ;
619 Double_t time = iTime * GetRawFormatTimeMax() / GetRawFormatTimeBins() ;
620 Double_t signal = signalF.Eval(time) ;
621 if ( static_cast<Int_t>(signal+0.5) > kRawSignalOverflow ){ // larger than 10 bits
622 signal = kRawSignalOverflow ;
625 adcH[iTime] = static_cast<Int_t>(signal + 0.5) ;
627 signalF.SetParameter(0, GetRawFormatLowCharge() ) ;
628 signalF.SetParameter(1, GetRawFormatLowGain() ) ;
629 signal = signalF.Eval(time) ;
630 if ( static_cast<Int_t>(signal+0.5) > kRawSignalOverflow) // larger than 10 bits
631 signal = kRawSignalOverflow ;
632 adcL[iTime] = static_cast<Int_t>(0.5 + signal ) ;
638 //____________________________________________________________________________
639 void AliPHOS::SetTreeAddress()
641 // Links Hits in the Tree to Hits array
644 sprintf(branchname,"%s",GetName());
645 // Branch address for hit tree
646 TTree *treeH = TreeH();
648 branch = treeH->GetBranch(branchname);
651 if (fHits == 0x0) fHits= new TClonesArray("AliPHOSHit",1000);
652 //AliInfo(Form("<%s> Setting Hits Address",GetName()));
653 branch->SetAddress(&fHits);