ESElectronicsSimFast Class Reference

#include <ESElectronicsSimFast.h>

Public Types
enum	{ MAXADC = 4095, MINADC = 0 }
typedef CaloTSamples< float, 3 >	ESSamples

Public Member Functions
void	analogToDigital (ESSamples &cs, ESDataFrame &df, bool isNoise=false) const
	ESElectronicsSimFast (bool addNoise)
void	newEvent ()
void	setMIPs (const ESIntercalibConstants *mips)
void	setMIPToGeV (double MIPToGeV)
void	setPedestals (const ESPedestals *peds)
	~ESElectronicsSimFast ()

Private Attributes
bool	m_addNoise
const ESIntercalibConstants *	m_mips
double	m_MIPToGeV
const ESPedestals *	m_peds
CLHEP::RandGaussQ *	m_ranGau

Detailed Description

Definition at line 15 of file ESElectronicsSimFast.h.

Member Typedef Documentation

typedef CaloTSamples<float,3> ESElectronicsSimFast::ESSamples

Definition at line 19 of file ESElectronicsSimFast.h.

Member Enumeration Documentation

anonymous enum

Enumerator
MAXADC
MINADC

Definition at line 21 of file ESElectronicsSimFast.h.

           { MAXADC = 4095,
         MINADC =    0 } ;

Constructor & Destructor Documentation

ESElectronicsSimFast::ESElectronicsSimFast

(

bool

addNoise

)

Definition at line 11 of file ESElectronicsSimFast.cc.

References edm::hlt::Exception, edm::RandomNumberGenerator::getEngine(), edm::Service< T >::isAvailable(), m_addNoise, and m_ranGau.

                                                          :
   m_addNoise ( addNoise ) ,
   m_MIPToGeV (        0 ) ,
   m_peds     (        0 ) ,
   m_mips     (        0 ) ,
   m_ranGau   (        0 )
{
   // Preshower "Fast" 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

   if( m_addNoise )
   {
      edm::Service<edm::RandomNumberGenerator> rng;
      if( !rng.isAvailable() ) 
      {
     throw cms::Exception("Configuration")
        << "ESElectroncSimFast 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.";
      }
      m_ranGau = new CLHEP::RandGaussQ( rng->getEngine(), 0, 1 ) ;
   }
}

ESElectronicsSimFast::~ESElectronicsSimFast

(

)

Definition at line 37 of file ESElectronicsSimFast.cc.

References m_ranGau.

{
   delete m_ranGau ;
}

Member Function Documentation

void ESElectronicsSimFast::analogToDigital	(	ESSamples &	cs,
		ESDataFrame &	df,
		bool	isNoise = false
	)		const

Definition at line 61 of file ESElectronicsSimFast.cc.

References ecalMGPA::adc(), ESCondObjectContainer< T >::end(), ESCondObjectContainer< T >::find(), ESCondObjectContainer< T >::getMap(), i, CaloTSamplesBase< Ttype >::id(), m_addNoise, m_mips, m_MIPToGeV, m_peds, m_ranGau, MAXADC, MINADC, ESDataFrame::setSample(), ESDataFrame::setSize(), and CaloTSamplesBase< Ttype >::size().

{
   assert( 0 != m_peds &&
       0 != m_mips &&
       0 < m_MIPToGeV ) ; // sanity check

   assert( ( !m_addNoise ) ||
       0 != m_ranGau ) ; // sanity check

   df.setSize( cs.size() ) ;

   const DetId id ( cs.id() ) ;
   ESPedestals::const_iterator it_ped ( m_peds->find( id ) ) ;
   ESIntercalibConstantMap::const_iterator it_mip (
      isNoise ? m_mips->getMap().end() : m_mips->getMap().find( id ) ) ;

   const double baseline ( (double) it_ped->getMean() ) ;
   const double sigma    ( isNoise ? 0. : (double) it_ped->getRms() ) ;
   const double MIPADC   ( isNoise ? 0. : (double) (*it_mip) ) ;
   const double ADCGeV   ( isNoise ? 1. : MIPADC/m_MIPToGeV ) ;

   int adc = 0 ;
//   std::cout<<"   **Id="<<ESDetId(df.id())<<", size="<<df.size();
   for( unsigned int i ( 0 ) ; i != cs.size(); ++i ) 
   {
      const double noi ( isNoise || (!m_addNoise) ? 0 :
             sigma*m_ranGau->fire() ) ;
    
      double signal = cs[i]*ADCGeV + noi + baseline ;

      if( 0 <= signal )
      { 
     signal += 0.5 ;
      }
      else
      {
     signal -= 0.5 ;
      }
    
      adc = int( signal ) ;
      assert( 0 < adc ) ;

      if( 0.5 < signal - adc ) ++adc ;

      if( MAXADC < adc )
      {
     adc = MAXADC ;
      }
      else
      {
     if( MINADC > adc ) adc = MINADC ;
      }

      df.setSample( i, ESSample( adc ) ) ;
//      std::cout<<", "<<df[i];
   }
//   std::cout<<std::endl ;
}

void ESElectronicsSimFast::newEvent ( )

inline

Definition at line 37 of file ESElectronicsSimFast.h.

{}

void ESElectronicsSimFast::setMIPs

(

const ESIntercalibConstants *

mips

)

Definition at line 49 of file ESElectronicsSimFast.cc.

References m_mips.

Referenced by EcalDigiProducer::checkCalibrations().

{
   m_mips = mips ;
}

void ESElectronicsSimFast::setMIPToGeV

(

double

MIPToGeV

)

Definition at line 55 of file ESElectronicsSimFast.cc.

References m_MIPToGeV.

Referenced by EcalDigiProducer::checkCalibrations().

{
   m_MIPToGeV = MIPToGeV ;
}

void ESElectronicsSimFast::setPedestals

(

const ESPedestals *

peds

)

Definition at line 43 of file ESElectronicsSimFast.cc.

References m_peds.

Referenced by EcalDigiProducer::checkCalibrations().

{
   m_peds = peds ;
} 

Member Data Documentation

bool ESElectronicsSimFast::m_addNoise

private

Definition at line 41 of file ESElectronicsSimFast.h.

Referenced by analogToDigital(), and ESElectronicsSimFast().

const ESIntercalibConstants* ESElectronicsSimFast::m_mips

private

Definition at line 47 of file ESElectronicsSimFast.h.

Referenced by analogToDigital(), and setMIPs().

double ESElectronicsSimFast::m_MIPToGeV

private

Definition at line 43 of file ESElectronicsSimFast.h.

Referenced by analogToDigital(), and setMIPToGeV().

const ESPedestals* ESElectronicsSimFast::m_peds

private

Definition at line 45 of file ESElectronicsSimFast.h.

Referenced by analogToDigital(), and setPedestals().

CLHEP::RandGaussQ* ESElectronicsSimFast::m_ranGau

private

Definition at line 49 of file ESElectronicsSimFast.h.

Referenced by analogToDigital(), ESElectronicsSimFast(), and ~ESElectronicsSimFast().