ESElectronicsSim Class Reference

#include <ESElectronicsSim.h>

Public Types
enum	{ MAXADC = 4095 }
enum	{ MINADC = 0 }

Public Member Functions
virtual void	analogToDigital (CLHEP::HepRandomEngine *, const CaloSamples &cs, ESDataFrame &df) const
virtual void	digitalToAnalog (const ESDataFrame &df, CaloSamples &cs) const
	ESElectronicsSim (bool addNoise)
void	newEvent (CLHEP::HepRandomEngine *)
	anything that needs to be done once per event More...
void	setGain (const int gain)
void	setMIPs (const ESIntercalibConstants *mips)
void	setMIPToGeV (const double MIPToGeV)
void	setPedestals (const ESPedestals *peds)
virtual	~ESElectronicsSim ()

Private Member Functions
double	decode (const ESSample &sample, const DetId &detId) const
std::vector< ESSample >	encode (const CaloSamples &timeframe, CLHEP::HepRandomEngine *) const

Private Attributes
bool	addNoise_
int	gain_
const ESIntercalibConstants *	mips_
double	MIPToGeV_
const ESPedestals *	peds_

Detailed Description

Definition at line 16 of file ESElectronicsSim.h.

Member Enumeration Documentation

anonymous enum

anonymous enum

Enumerator
MAXADC

Definition at line 18 of file ESElectronicsSim.h.

{ MAXADC = 4095 };

anonymous enum

anonymous enum

Enumerator
MINADC

Definition at line 19 of file ESElectronicsSim.h.

{ MINADC = 0 };

Constructor & Destructor Documentation

ESElectronicsSim()

ESElectronicsSim::ESElectronicsSim

(

bool

addNoise

)

Definition at line 11 of file ESElectronicsSim.cc.

                                                : addNoise_(addNoise), peds_(nullptr), mips_(nullptr) {
  // Preshower Electronics Simulation
  // gain = 1 : low gain for data taking
  // gain = 2 : high gain for calibration and low energy runs
  // For 300(310/320) um Si, the MIP is 78.47(81.08/83.7) keV
}

~ESElectronicsSim()

ESElectronicsSim::~ESElectronicsSim ( )

virtual

Definition at line 18 of file ESElectronicsSim.cc.

{}

Member Function Documentation

analogToDigital()

void ESElectronicsSim::analogToDigital ( CLHEP::HepRandomEngine *  engine, const CaloSamples &  cs, ESDataFrame &  df  ) const

virtual

Definition at line 20 of file ESElectronicsSim.cc.

                                                                                                                 {
  std::vector<ESSample> essamples = encode(cs, engine);
 
  df.setSize(cs.size());
  for (int i = 0; i < df.size(); i++) {
    df.setSample(i, essamples[i]);
  }
}

References fwrapper::cs, encode(), mps_fire::i, ESDataFrame::setSample(), ESDataFrame::setSize(), and ESDataFrame::size().

decode()

double ESElectronicsSim::decode ( const ESSample &  sample, const DetId &  detId  ) const

private

Definition at line 84 of file ESElectronicsSim.cc.

{ return 0.; }

Referenced by digitalToAnalog().

digitalToAnalog()

void ESElectronicsSim::digitalToAnalog ( const ESDataFrame &  df, CaloSamples &  cs  ) const

virtual

Definition at line 29 of file ESElectronicsSim.cc.

                                                                                   {
  for (int i = 0; i < df.size(); i++) {
    cs[i] = decode(df[i], df.id());
  }
}

References fwrapper::cs, decode(), mps_fire::i, ESDataFrame::id(), and ESDataFrame::size().

encode()

std::vector< ESSample > ESElectronicsSim::encode ( const CaloSamples &  timeframe, CLHEP::HepRandomEngine *  engine  ) const

private

Definition at line 35 of file ESElectronicsSim.cc.

                                                                                                             {
  edm::Service<edm::RandomNumberGenerator> rng;
  if (!rng.isAvailable()) {
    throw cms::Exception("Configuration")
        << "ESElectroncSim requires the RandomNumberGeneratorService\n"
           "which is not present in the configuration file.  You must add the service\n"
           "in the configuration file or remove the modules that require it.";
  }
 
  std::vector<ESSample> results;
  results.reserve(timeframe.size());
 
  ESPedestals::const_iterator it_ped = peds_->find(timeframe.id());
  ESIntercalibConstantMap::const_iterator it_mip = mips_->getMap().find(timeframe.id());
  int baseline_ = (int)it_ped->getMean();
  double sigma_ = (double)it_ped->getRms();
  double MIPADC_ = (double)(*it_mip);
 
  int adc = 0;
  double ADCGeV = MIPADC_ / MIPToGeV_;
 
  for (int i = 0; i < timeframe.size(); i++) {
    double noi = 0;
    double signal = 0;
 
    if (addNoise_) {
      noi = CLHEP::RandGaussQ::shoot(engine, 0., sigma_);
    }
 
    signal = timeframe[i] * ADCGeV + noi + baseline_;
 
    if (signal > 0)
      signal += 0.5;
    else if (signal < 0)
      signal -= 0.5;
 
    adc = int(signal);
 
    if (adc > MAXADC)
      adc = MAXADC;
    if (adc < MINADC)
      adc = MINADC;
 
    results.emplace_back(adc);
  }
 
  return results;
}

References ecalMGPA::adc(), addNoise_, Exception, ESCondObjectContainer< T >::find(), ESCondObjectContainer< T >::getMap(), mps_fire::i, CaloSamples::id(), createfilelist::int, edm::Service< T >::isAvailable(), MAXADC, MINADC, mips_, MIPToGeV_, peds_, bookConverter::results, and CaloSamples::size().

Referenced by analogToDigital().

newEvent()

void ESElectronicsSim::newEvent ( CLHEP::HepRandomEngine *  )

inline

anything that needs to be done once per event

Definition at line 33 of file ESElectronicsSim.h.

{}

setGain()

void ESElectronicsSim::setGain ( const int  gain )

inline

Definition at line 24 of file ESElectronicsSim.h.

{ gain_ = gain; }

References PedestalClient_cfi::gain, and gain_.

setMIPs()

void ESElectronicsSim::setMIPs ( const ESIntercalibConstants *  mips )

inline

Definition at line 26 of file ESElectronicsSim.h.

{ mips_ = mips; }

References mips_.

setMIPToGeV()

void ESElectronicsSim::setMIPToGeV ( const double  MIPToGeV )

inline

Definition at line 27 of file ESElectronicsSim.h.

{ MIPToGeV_ = MIPToGeV; }

References MIPToGeV_.

setPedestals()

void ESElectronicsSim::setPedestals ( const ESPedestals *  peds )

inline

Definition at line 25 of file ESElectronicsSim.h.

{ peds_ = peds; }

References peds_.

Member Data Documentation

addNoise_

bool ESElectronicsSim::addNoise_

private

Definition at line 36 of file ESElectronicsSim.h.

Referenced by encode().

gain_

int ESElectronicsSim::gain_

private

Definition at line 37 of file ESElectronicsSim.h.

Referenced by setGain().

mips_

const ESIntercalibConstants* ESElectronicsSim::mips_

private

Definition at line 39 of file ESElectronicsSim.h.

Referenced by encode(), and setMIPs().

MIPToGeV_

double ESElectronicsSim::MIPToGeV_

private

Definition at line 40 of file ESElectronicsSim.h.

Referenced by encode(), and setMIPToGeV().

peds_

const ESPedestals* ESElectronicsSim::peds_

private

Definition at line 38 of file ESElectronicsSim.h.

Referenced by encode(), and setPedestals().