[u/mrichter/AliRoot.git] / MUON / AliMUONDigitCalibrator.cxx

/**************************************************************************
 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 *                                                                        *
 * Author: The ALICE Off-line Project.                                    *
 * Contributors are mentioned in the code where appropriate.              *
 *                                                                        *
 * Permission to use, copy, modify and distribute this software and its   *
 * documentation strictly for non-commercial purposes is hereby granted   *
 * without fee, provided that the above copyright notice appears in all   *
 * copies and that both the copyright notice and this permission notice   *
 * appear in the supporting documentation. The authors make no claims     *
 * about the suitability of this software for any purpose. It is          *
 * provided "as is" without express or implied warranty.                  *
 **************************************************************************/

// $Id$

#include "AliMUONDigitCalibrator.h"

#include "AliLog.h"
#include "AliMUONCalibrationData.h"
#include "AliMUONLogger.h"
#include "AliMUONPadStatusMaker.h"
#include "AliMUONPadStatusMapMaker.h"
#include "AliMUONRecoParam.h"
#include "AliMUONVCalibParam.h"
#include "AliMUONVDigit.h"
#include "AliMUONVDigitStore.h"
#include "AliMUONVStore.h"
#include "AliMpBusPatch.h"
#include "AliMpConstants.h"
#include "AliMpCDB.h"
#include "AliMpDDLStore.h"
#include "AliMpDEIterator.h"
#include "AliMpDetElement.h"
#include "AliMpManuStore.h"

//-----------------------------------------------------------------------------
/// \class AliMUONDigitCalibrator
/// Class used to calibrate digits (either real or simulated ones).
///
/// The calibration consists of subtracting the pedestal
/// and multiplying by a gain, so that
/// Signal = (ADC-pedestal)*gain
///
/// Please note also that for the moment, if a digit lies on a dead channel
/// we remove this digit from the list of digits.
/// FIXME: this has to be revisited. By using the AliMUONDigit::fFlags we
/// should in principle flag a digit as bad w/o removing it, but this 
/// then requires some changes in the cluster finder to deal with this extra
/// information correctly (e.g. to set a quality for the cluster if it contains
/// bad digits).
///
/// \author Laurent Aphecetche
//-----------------------------------------------------------------------------


/// \cond CLASSIMP
ClassImp(AliMUONDigitCalibrator)
/// \endcond

const Int_t AliMUONDigitCalibrator::fgkNoGain(0);
const Int_t AliMUONDigitCalibrator::fgkGainConstantCapa(1);
const Int_t AliMUONDigitCalibrator::fgkGain(2);
const Int_t AliMUONDigitCalibrator::fgkInjectionGain(3);

//_____________________________________________________________________________
AliMUONDigitCalibrator::AliMUONDigitCalibrator(const AliMUONCalibrationData& calib,
                                               const AliMUONRecoParam* recoParams,
                                               const char* calibMode)
: TObject(),
fLogger(new AliMUONLogger(20000)),
fStatusMaker(0x0),
fStatusMapMaker(0x0),
fPedestals(0x0),
fGains(0x0),
fApplyGains(0),
fCapacitances(0x0),
fNumberOfBadPads(0),
fNumberOfPads(0),
fChargeSigmaCut(0),
fMask(0)
{
  /// ctor
  
  Ctor(calibMode,calib,recoParams);
}

//_____________________________________________________________________________
AliMUONDigitCalibrator::AliMUONDigitCalibrator(const AliMUONCalibrationData& calib,
                                               const char* calibMode)
: TObject(),
fLogger(new AliMUONLogger(20000)),
fStatusMaker(0x0),
fStatusMapMaker(0x0),
fPedestals(0x0),
fGains(0x0),
fApplyGains(0),
fCapacitances(0x0),
fNumberOfBadPads(0),
fNumberOfPads(0),
fChargeSigmaCut(0),
fMask(0)
{
  /// ctor
  
  Ctor(calibMode,calib,0x0);
}

//_____________________________________________________________________________
void
AliMUONDigitCalibrator::Ctor(const char* calibMode,
                             const AliMUONCalibrationData& calib,
                             const AliMUONRecoParam* recoParams)
{
  /// designated ctor
  
  TString cMode(calibMode);
  cMode.ToUpper();
  
  if ( cMode == "NOGAIN" ) 
  {
    fApplyGains = fgkNoGain;
    AliInfo("Will NOT apply gain correction");
  }
  else if ( cMode == "GAINCONSTANTCAPA" ) 
  {
    fApplyGains = fgkGainConstantCapa;
    AliInfo("Will apply gain correction, but with constant capacitance");
  }
  else if ( cMode == "GAIN" ) 
  {
    fApplyGains = fgkGain;
    AliInfo("Will apply gain correction, with measured capacitances");
  }
  else if ( cMode == "INJECTIONGAIN")
	{
		fApplyGains = fgkInjectionGain;
    AliInfo("Will apply injection gain correction, with EMELEC factory gains");
	}  
  else
  {
    AliError(Form("Invalid calib mode = %s. Will use NOGAIN instead",calibMode));
    fApplyGains = fgkNoGain;
  }
  
  // Load mapping manu store
  if ( ! AliMpCDB::LoadManuStore() ) {
    AliFatal("Could not access manu store from OCDB !");
  }
  
  fStatusMaker = new AliMUONPadStatusMaker(calib);
  
  // Set default values, as loose as reasonable
  
  fChargeSigmaCut = 3.0;
  
	fMask = 0x8080; // reject pads where ped *or* hv are missing
	
	if ( recoParams )
	{
    // if we have reco params, we use limits and cuts from there :
    
    fStatusMaker->SetLimits(*recoParams);
    
    fMask = recoParams->PadGoodnessMask();
		//WARNING : getting this mask wrong is a very effective way of getting
		//no digits at all out of this class ;-)
    
    fChargeSigmaCut = recoParams->ChargeSigmaCut();
	}
  
  Bool_t deferredInitialization = kTRUE;
  
  fStatusMapMaker = new AliMUONPadStatusMapMaker(*fStatusMaker,fMask,deferredInitialization);
  
  fPedestals = calib.Pedestals();
  
  fGains = calib.Gains(); // we get gains whatever the calibMode is, in order
  // to get the saturation value...
  
  if ( fApplyGains == fgkGain || fApplyGains == fgkInjectionGain ) 
  {
    fCapacitances = calib.Capacitances();
  }
}

//_____________________________________________________________________________
AliMUONDigitCalibrator::~AliMUONDigitCalibrator()
{
  /// dtor.
  
  if ( fNumberOfPads > 0 ) 
  {
    if ( fStatusMaker ) 
    {
      fStatusMaker->Report(fMask);
    }
    
    AliInfo("Summary of messages:");

    fLogger->Print();
    
    AliInfo(Form("We have seen %g pads, and rejected %g (%7.2f %%)",
                 fNumberOfPads,fNumberOfBadPads,
                 ( fNumberOfPads > 0 ) ? fNumberOfBadPads*100.0/fNumberOfPads : 0 ));
	}

  delete fStatusMaker;
  delete fStatusMapMaker;
  delete fLogger;
}

//_____________________________________________________________________________
void
AliMUONDigitCalibrator::Calibrate(AliMUONVDigitStore& digitStore)
{
  /// Calibrate the digits contained in digitStore  
  TIter next(digitStore.CreateTrackerIterator());
  AliMUONVDigit* digit;
  
  fStatusMapMaker->RefreshRejectProbabilities(); // this will do something only for simulations
  // (and only for those simulations where the reject list contain probabilities which are
  // different from zero or one)
  
  AliDebug(1,Form("# of digits = %d",digitStore.GetSize()));
  
  while ( ( digit = static_cast<AliMUONVDigit*>(next() ) ) )
  {
    if ( digit->IsCalibrated() ) 
    {
      fLogger->Log("ERROR : trying to calibrate a digit twice");
      return;
    }
    
    digit->Calibrated(kTRUE);
    
    Float_t charge(0.0);
    Int_t statusMap;
    Bool_t isSaturated(kFALSE);
    
    ++fNumberOfPads;
    
    Bool_t ok = IsValidDigit(digit->DetElemId(),digit->ManuId(),digit->ManuChannel(),&statusMap);
    
    digit->SetStatusMap(statusMap);
    
    if (ok)
    {
      charge = CalibrateDigit(digit->DetElemId(),digit->ManuId(),digit->ManuChannel(),
                              digit->ADC(),fChargeSigmaCut,&isSaturated);
    }
    else
    {
      ++fNumberOfBadPads;      
    }
    
    digit->SetCharge(charge);
    digit->Saturated(isSaturated);
  }
}

//_____________________________________________________________________________
Float_t
AliMUONDigitCalibrator::CalibrateDigit(Int_t detElemId, Int_t manuId, Int_t manuChannel,
                                       Float_t adc, Float_t nsigmas, 
                                       Bool_t* isSaturated) const

{
  /// Calibrate one digit
  /// Return the digit charge, in fC
  
  AliMUONVCalibParam* pedestal = static_cast<AliMUONVCalibParam*>
  (fPedestals->FindObject(detElemId,manuId));
  
  if (!pedestal)
  {
    // no pedestal -> no charge    
    fLogger->Log(Form("Got a null pedestal object for DE,manu=%d,%d",detElemId,manuId));        
    return 0.0;
  }
  
  
  AliMUONVCalibParam* gain = static_cast<AliMUONVCalibParam*>
  (fGains->FindObject(detElemId,manuId));
  
  if (!gain)
  {
    if ( fApplyGains != fgkNoGain )
    {
      // no gain -> no charge
      fLogger->Log(Form("Got a null gain object for DE,manu=%d,%d",
                        detElemId,manuId)); 
      return 0.0;
    }
  }
  
  Float_t padc = adc-pedestal->ValueAsFloat(manuChannel,0);
  
	// Gain (mV/fC) = 1/(a0*capa) with a0~1.25 and capa~0.2 
  Float_t charge(0);
  Float_t capa(0.2); // capa = 0.2 and a0 = 1.25
	Float_t a0(1.25);  // is equivalent to gain = 4 mV/fC
	Float_t a1(0);
	Float_t adc2mv(0.61); // 1 ADC channel = 0.61 mV
	Float_t injGain(4); // By default the gain is set to 4 mV/fC
  //
  // Note that the ChargeMax (for one pad) is roughly 4096 * 0.61 mV/channel / 4 mV/fC = 625 fC

  if ( fApplyGains == fgkGain || fApplyGains == fgkInjectionGain ) 
  {
    Int_t serialNumber 
    = AliMpManuStore::Instance()->GetManuSerial(detElemId, manuId);
    
    AliMUONVCalibParam* param = static_cast<AliMUONVCalibParam*>(fCapacitances->FindObject(serialNumber));
    
    if ( param )
    {
      capa = param->ValueAsFloat(manuChannel,0);
			injGain = param->ValueAsFloat(manuChannel,1);
      if ( injGain < 0 ) 
      {
        fLogger->Log(Form("injGain is %e < 0 for serialNumber=%d",injGain,serialNumber));
        return 0.0;
      }
    }
    else
    {
      // If capa not found in the OCDB we exit
	    fLogger->Log(Form("No capa (injGain) found for serialNumber=%d",serialNumber));
			return 0.0;
    }
  }
  
  if ( padc > nsigmas*pedestal->ValueAsFloat(manuChannel,1) ) 
  {
    if ( fApplyGains == fgkGain || fApplyGains == fgkGainConstantCapa ) 
    {
      a0 = gain->ValueAsFloat(manuChannel,0);
      a1 = gain->ValueAsFloat(manuChannel,1);
      Int_t thres = gain->ValueAsInt(manuChannel,2);
      if ( padc < thres ) 
      {
        charge = a0*padc;
      }
      else
      {
        charge = a0*thres + a0*(padc-thres) + a1*(padc-thres)*(padc-thres);
      }
			charge *= capa*adc2mv;
    }
    else if ( fApplyGains == fgkInjectionGain ) 
    {
			
      charge = padc*adc2mv/injGain;
    }
		else
		{
			charge = a0*padc*capa*adc2mv;
		}
  }
  
  if ( isSaturated ) 
  {
    Int_t saturation(3000);
    
    if ( gain && ( fApplyGains != fgkNoGain ) )
    {
      saturation = gain->ValueAsInt(manuChannel,4);
    }
    
    if ( padc >= saturation )
    {
      *isSaturated = kTRUE;
    }
    else
    {
      *isSaturated = kFALSE;
    }
  }
  
  return ( charge > 0.0 ? charge : 0.0 );
}

//_____________________________________________________________________________
Bool_t 
AliMUONDigitCalibrator::IsValidDigit(Int_t detElemId, Int_t manuId, Int_t manuChannel,
                                     Int_t* statusMap) const

{
  /// Check if a given pad is ok or not.
  
  // First a protection against bad input parameters
  AliMpDetElement* de = AliMpDDLStore::Instance()->GetDetElement(detElemId);
  if (!de) return kFALSE; // not existing DE
  if (!de->IsExistingChannel(manuId,manuChannel))
  {
    // non-existing (might happen when we get parity errors in read-out
    // that spoils the manuId
    return kFALSE;
  }
  if (!de->IsConnectedChannel(manuId,manuChannel))
  {
    // existing (in read-out), but not connected channel
    return kFALSE;
  }
  
  // ok, now we have a valid channel number, so let's see if that pad
  // behaves or not ;-)
  
  Int_t sm = fStatusMapMaker->StatusMap(detElemId,manuId,manuChannel);
  
  if (statusMap) *statusMap = sm;
  
  if ( ( sm & AliMUONPadStatusMapMaker::SelfDeadMask() ) != 0 ) 
  {
    // pad itself is bad (not testing its neighbours at this stage)
    return kFALSE;
  }
  
  return kTRUE;
}

//_____________________________________________________________________________
Int_t 
AliMUONDigitCalibrator::PadStatus(Int_t detElemId, Int_t manuId, Int_t manuChannel) const
{
  /// Return the status of the given pad
  return fStatusMaker->PadStatus(detElemId,manuId,manuChannel);
}

//_____________________________________________________________________________
Int_t 
AliMUONDigitCalibrator::StatusMap(Int_t detElemId, Int_t manuId, Int_t manuChannel) const
{
  /// Return the status map of the given pad
  return fStatusMapMaker->StatusMap(detElemId,manuId,manuChannel);
  
}
Commit	Line	Data
	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 "AliMUONDigitCalibrator.h"
	19
	20	#include "AliLog.h"
	21	#include "AliMUONCalibrationData.h"
	22	#include "AliMUONLogger.h"
	23	#include "AliMUONPadStatusMaker.h"
	24	#include "AliMUONPadStatusMapMaker.h"
	25	#include "AliMUONRecoParam.h"
	26	#include "AliMUONVCalibParam.h"
	27	#include "AliMUONVDigit.h"
	28	#include "AliMUONVDigitStore.h"
	29	#include "AliMUONVStore.h"
	30	#include "AliMpBusPatch.h"
	31	#include "AliMpConstants.h"
	32	#include "AliMpCDB.h"
	33	#include "AliMpDDLStore.h"
	34	#include "AliMpDEIterator.h"
	35	#include "AliMpDetElement.h"
	36	#include "AliMpManuStore.h"
	37
	38	//-----------------------------------------------------------------------------
	39	/// \class AliMUONDigitCalibrator
	40	/// Class used to calibrate digits (either real or simulated ones).
	41	///
	42	/// The calibration consists of subtracting the pedestal
	43	/// and multiplying by a gain, so that
	44	/// Signal = (ADC-pedestal)*gain
	45	///
	46	/// Please note also that for the moment, if a digit lies on a dead channel
	47	/// we remove this digit from the list of digits.
	48	/// FIXME: this has to be revisited. By using the AliMUONDigit::fFlags we
	49	/// should in principle flag a digit as bad w/o removing it, but this
	50	/// then requires some changes in the cluster finder to deal with this extra
	51	/// information correctly (e.g. to set a quality for the cluster if it contains
	52	/// bad digits).
	53	///
	54	/// \author Laurent Aphecetche
	55	//-----------------------------------------------------------------------------
	56
	57
	58	/// \cond CLASSIMP
	59	ClassImp(AliMUONDigitCalibrator)
	60	/// \endcond
	61
	62	const Int_t AliMUONDigitCalibrator::fgkNoGain(0);
	63	const Int_t AliMUONDigitCalibrator::fgkGainConstantCapa(1);
	64	const Int_t AliMUONDigitCalibrator::fgkGain(2);
	65	const Int_t AliMUONDigitCalibrator::fgkInjectionGain(3);
	66
	67	//_____________________________________________________________________________
	68	AliMUONDigitCalibrator::AliMUONDigitCalibrator(const AliMUONCalibrationData& calib,
	69	const AliMUONRecoParam* recoParams,
	70	const char* calibMode)
	71	: TObject(),
	72	fLogger(new AliMUONLogger(20000)),
	73	fStatusMaker(0x0),
	74	fStatusMapMaker(0x0),
	75	fPedestals(0x0),
	76	fGains(0x0),
	77	fApplyGains(0),
	78	fCapacitances(0x0),
	79	fNumberOfBadPads(0),
	80	fNumberOfPads(0),
	81	fChargeSigmaCut(0),
	82	fMask(0)
	83	{
	84	/// ctor
	85
	86	Ctor(calibMode,calib,recoParams);
	87	}
	88
	89	//_____________________________________________________________________________
	90	AliMUONDigitCalibrator::AliMUONDigitCalibrator(const AliMUONCalibrationData& calib,
	91	const char* calibMode)
	92	: TObject(),
	93	fLogger(new AliMUONLogger(20000)),
	94	fStatusMaker(0x0),
	95	fStatusMapMaker(0x0),
	96	fPedestals(0x0),
	97	fGains(0x0),
	98	fApplyGains(0),
	99	fCapacitances(0x0),
	100	fNumberOfBadPads(0),
	101	fNumberOfPads(0),
	102	fChargeSigmaCut(0),
	103	fMask(0)
	104	{
	105	/// ctor
	106
	107	Ctor(calibMode,calib,0x0);
	108	}
	109
	110	//_____________________________________________________________________________
	111	void
	112	AliMUONDigitCalibrator::Ctor(const char* calibMode,
	113	const AliMUONCalibrationData& calib,
	114	const AliMUONRecoParam* recoParams)
	115	{
	116	/// designated ctor
	117
	118	TString cMode(calibMode);
	119	cMode.ToUpper();
	120
	121	if ( cMode == "NOGAIN" )
	122	{
	123	fApplyGains = fgkNoGain;
	124	AliInfo("Will NOT apply gain correction");
	125	}
	126	else if ( cMode == "GAINCONSTANTCAPA" )
	127	{
	128	fApplyGains = fgkGainConstantCapa;
	129	AliInfo("Will apply gain correction, but with constant capacitance");
	130	}
	131	else if ( cMode == "GAIN" )
	132	{
	133	fApplyGains = fgkGain;
	134	AliInfo("Will apply gain correction, with measured capacitances");
	135	}
	136	else if ( cMode == "INJECTIONGAIN")
	137	{
	138	fApplyGains = fgkInjectionGain;
	139	AliInfo("Will apply injection gain correction, with EMELEC factory gains");
	140	}
	141	else
	142	{
	143	AliError(Form("Invalid calib mode = %s. Will use NOGAIN instead",calibMode));
	144	fApplyGains = fgkNoGain;
	145	}
	146
	147	// Load mapping manu store
	148	if ( ! AliMpCDB::LoadManuStore() ) {
	149	AliFatal("Could not access manu store from OCDB !");
	150	}
	151
	152	fStatusMaker = new AliMUONPadStatusMaker(calib);
	153
	154	// Set default values, as loose as reasonable
	155
	156	fChargeSigmaCut = 3.0;
	157
	158	fMask = 0x8080; // reject pads where ped or hv are missing
	159
	160	if ( recoParams )
	161	{
	162	// if we have reco params, we use limits and cuts from there :
	163
	164	fStatusMaker->SetLimits(*recoParams);
	165
	166	fMask = recoParams->PadGoodnessMask();
	167	//WARNING : getting this mask wrong is a very effective way of getting
	168	//no digits at all out of this class ;-)
	169
	170	fChargeSigmaCut = recoParams->ChargeSigmaCut();
	171	}
	172
	173	Bool_t deferredInitialization = kTRUE;
	174
	175	fStatusMapMaker = new AliMUONPadStatusMapMaker(*fStatusMaker,fMask,deferredInitialization);
	176
	177	fPedestals = calib.Pedestals();
	178
	179	fGains = calib.Gains(); // we get gains whatever the calibMode is, in order
	180	// to get the saturation value...
	181
	182	if ( fApplyGains == fgkGain \|\| fApplyGains == fgkInjectionGain )
	183	{
	184	fCapacitances = calib.Capacitances();
	185	}
	186	}
	187
	188	//_____________________________________________________________________________
	189	AliMUONDigitCalibrator::~AliMUONDigitCalibrator()
	190	{
	191	/// dtor.
	192
	193	if ( fNumberOfPads > 0 )
	194	{
	195	if ( fStatusMaker )
	196	{
	197	fStatusMaker->Report(fMask);
	198	}
	199
	200	AliInfo("Summary of messages:");
	201
	202	fLogger->Print();
	203
	204	AliInfo(Form("We have seen %g pads, and rejected %g (%7.2f %%)",
	205	fNumberOfPads,fNumberOfBadPads,
	206	( fNumberOfPads > 0 ) ? fNumberOfBadPads*100.0/fNumberOfPads : 0 ));
	207	}
	208
	209	delete fStatusMaker;
	210	delete fStatusMapMaker;
	211	delete fLogger;
	212	}
	213
	214	//_____________________________________________________________________________
	215	void
	216	AliMUONDigitCalibrator::Calibrate(AliMUONVDigitStore& digitStore)
	217	{
	218	/// Calibrate the digits contained in digitStore
	219	TIter next(digitStore.CreateTrackerIterator());
	220	AliMUONVDigit* digit;
	221
	222	fStatusMapMaker->RefreshRejectProbabilities(); // this will do something only for simulations
	223	// (and only for those simulations where the reject list contain probabilities which are
	224	// different from zero or one)
	225
	226	AliDebug(1,Form("# of digits = %d",digitStore.GetSize()));
	227
	228	while ( ( digit = static_cast<AliMUONVDigit*>(next() ) ) )
	229	{
	230	if ( digit->IsCalibrated() )
	231	{
	232	fLogger->Log("ERROR : trying to calibrate a digit twice");
	233	return;
	234	}
	235
	236	digit->Calibrated(kTRUE);
	237
	238	Float_t charge(0.0);
	239	Int_t statusMap;
	240	Bool_t isSaturated(kFALSE);
	241
	242	++fNumberOfPads;
	243
	244	Bool_t ok = IsValidDigit(digit->DetElemId(),digit->ManuId(),digit->ManuChannel(),&statusMap);
	245
	246	digit->SetStatusMap(statusMap);
	247
	248	if (ok)
	249	{
	250	charge = CalibrateDigit(digit->DetElemId(),digit->ManuId(),digit->ManuChannel(),
	251	digit->ADC(),fChargeSigmaCut,&isSaturated);
	252	}
	253	else
	254	{
	255	++fNumberOfBadPads;
	256	}
	257
	258	digit->SetCharge(charge);
	259	digit->Saturated(isSaturated);
	260	}
	261	}
	262
	263	//_____________________________________________________________________________
	264	Float_t
	265	AliMUONDigitCalibrator::CalibrateDigit(Int_t detElemId, Int_t manuId, Int_t manuChannel,
	266	Float_t adc, Float_t nsigmas,
	267	Bool_t* isSaturated) const
	268
	269	{
	270	/// Calibrate one digit
	271	/// Return the digit charge, in fC
	272
	273	AliMUONVCalibParam* pedestal = static_cast<AliMUONVCalibParam*>
	274	(fPedestals->FindObject(detElemId,manuId));
	275
	276	if (!pedestal)
	277	{
	278	// no pedestal -> no charge
	279	fLogger->Log(Form("Got a null pedestal object for DE,manu=%d,%d",detElemId,manuId));
	280	return 0.0;
	281	}
	282
	283
	284	AliMUONVCalibParam* gain = static_cast<AliMUONVCalibParam*>
	285	(fGains->FindObject(detElemId,manuId));
	286
	287	if (!gain)
	288	{
	289	if ( fApplyGains != fgkNoGain )
	290	{
	291	// no gain -> no charge
	292	fLogger->Log(Form("Got a null gain object for DE,manu=%d,%d",
	293	detElemId,manuId));
	294	return 0.0;
	295	}
	296	}
	297
	298	Float_t padc = adc-pedestal->ValueAsFloat(manuChannel,0);
	299
	300	// Gain (mV/fC) = 1/(a0*capa) with a0~1.25 and capa~0.2
	301	Float_t charge(0);
	302	Float_t capa(0.2); // capa = 0.2 and a0 = 1.25
	303	Float_t a0(1.25); // is equivalent to gain = 4 mV/fC
	304	Float_t a1(0);
	305	Float_t adc2mv(0.61); // 1 ADC channel = 0.61 mV
	306	Float_t injGain(4); // By default the gain is set to 4 mV/fC
	307	//
	308	// Note that the ChargeMax (for one pad) is roughly 4096 * 0.61 mV/channel / 4 mV/fC = 625 fC
	309
	310	if ( fApplyGains == fgkGain \|\| fApplyGains == fgkInjectionGain )
	311	{
	312	Int_t serialNumber
	313	= AliMpManuStore::Instance()->GetManuSerial(detElemId, manuId);
	314
	315	AliMUONVCalibParam* param = static_cast<AliMUONVCalibParam*>(fCapacitances->FindObject(serialNumber));
	316
	317	if ( param )
	318	{
	319	capa = param->ValueAsFloat(manuChannel,0);
	320	injGain = param->ValueAsFloat(manuChannel,1);
	321	if ( injGain < 0 )
	322	{
	323	fLogger->Log(Form("injGain is %e < 0 for serialNumber=%d",injGain,serialNumber));
	324	return 0.0;
	325	}
	326	}
	327	else
	328	{
	329	// If capa not found in the OCDB we exit
	330	fLogger->Log(Form("No capa (injGain) found for serialNumber=%d",serialNumber));
	331	return 0.0;
	332	}
	333	}
	334
	335	if ( padc > nsigmas*pedestal->ValueAsFloat(manuChannel,1) )
	336	{
	337	if ( fApplyGains == fgkGain \|\| fApplyGains == fgkGainConstantCapa )
	338	{
	339	a0 = gain->ValueAsFloat(manuChannel,0);
	340	a1 = gain->ValueAsFloat(manuChannel,1);
	341	Int_t thres = gain->ValueAsInt(manuChannel,2);
	342	if ( padc < thres )
	343	{
	344	charge = a0*padc;
	345	}
	346	else
	347	{
	348	charge = a0thres + a0(padc-thres) + a1(padc-thres)(padc-thres);
	349	}
	350	charge = capaadc2mv;
	351	}
	352	else if ( fApplyGains == fgkInjectionGain )
	353	{
	354
	355	charge = padc*adc2mv/injGain;
	356	}
	357	else
	358	{
	359	charge = a0padccapa*adc2mv;
	360	}
	361	}
	362
	363	if ( isSaturated )
	364	{
	365	Int_t saturation(3000);
	366
	367	if ( gain && ( fApplyGains != fgkNoGain ) )
	368	{
	369	saturation = gain->ValueAsInt(manuChannel,4);
	370	}
	371
	372	if ( padc >= saturation )
	373	{
	374	*isSaturated = kTRUE;
	375	}
	376	else
	377	{
	378	*isSaturated = kFALSE;
	379	}
	380	}
	381
	382	return ( charge > 0.0 ? charge : 0.0 );
	383	}
	384
	385	//_____________________________________________________________________________
	386	Bool_t
	387	AliMUONDigitCalibrator::IsValidDigit(Int_t detElemId, Int_t manuId, Int_t manuChannel,
	388	Int_t* statusMap) const
	389
	390	{
	391	/// Check if a given pad is ok or not.
	392
	393	// First a protection against bad input parameters
	394	AliMpDetElement* de = AliMpDDLStore::Instance()->GetDetElement(detElemId);
	395	if (!de) return kFALSE; // not existing DE
	396	if (!de->IsExistingChannel(manuId,manuChannel))
	397	{
	398	// non-existing (might happen when we get parity errors in read-out
	399	// that spoils the manuId
	400	return kFALSE;
	401	}
	402	if (!de->IsConnectedChannel(manuId,manuChannel))
	403	{
	404	// existing (in read-out), but not connected channel
	405	return kFALSE;
	406	}
	407
	408	// ok, now we have a valid channel number, so let's see if that pad
	409	// behaves or not ;-)
	410
	411	Int_t sm = fStatusMapMaker->StatusMap(detElemId,manuId,manuChannel);
	412
	413	if (statusMap) *statusMap = sm;
	414
	415	if ( ( sm & AliMUONPadStatusMapMaker::SelfDeadMask() ) != 0 )
	416	{
	417	// pad itself is bad (not testing its neighbours at this stage)
	418	return kFALSE;
	419	}
	420
	421	return kTRUE;
	422	}
	423
	424	//_____________________________________________________________________________
	425	Int_t
	426	AliMUONDigitCalibrator::PadStatus(Int_t detElemId, Int_t manuId, Int_t manuChannel) const
	427	{
	428	/// Return the status of the given pad
	429	return fStatusMaker->PadStatus(detElemId,manuId,manuChannel);
	430	}
	431
	432	//_____________________________________________________________________________
	433	Int_t
	434	AliMUONDigitCalibrator::StatusMap(Int_t detElemId, Int_t manuId, Int_t manuChannel) const
	435	{
	436	/// Return the status map of the given pad
	437	return fStatusMapMaker->StatusMap(detElemId,manuId,manuChannel);
	438
	439	}
	440