CMSSW Reference Manual

anonymous enum

Enumerator:

MAXADC

Definition at line 14 of file ESElectronicsSim.h.

00014 {MAXADC = 4095};

anonymous enum

Enumerator:

MINADC

Definition at line 15 of file ESElectronicsSim.h.

00015 {MINADC = 0};

ESElectronicsSim::ESElectronicsSim	(	bool	addNoise,
		double	sigma,
		int	gain,
		int	baseline,
		double	MIPADC,
		double	MIPkeV
	)

Definition at line 12 of file ESElectronicsSim.cc.

00012                                                                                                                     :
00013   addNoise_(addNoise), sigma_ (sigma), gain_ (gain), baseline_(baseline), MIPADC_(MIPADC), MIPkeV_(MIPkeV)
00014 {
00015   // Preshower Electronics Simulation
00016   // The default pedestal baseline is 1000
00017   // gain = 0 : old gain used in ORCA (1 ADC count = 1 keV in CMSSW)
00018   //            In ORCA, preshower noise was 15 keV
00019   // gain = 1 : low gain for data taking  (S =  9 ADC counts, N = 3 ADC counts)
00020   // gain = 2 : high gain for calibration (S = 50 ADC counts, N = 7 ADC counts)
00021   // For 300(310/320) um Si, the MIP is 78.47(81.08/83.7) keV
00022 }

void ESElectronicsSim::analogToDigital	(	const CaloSamples &	cs,
		ESDataFrame &	df
	)			const `[virtual]`

Definition at line 54 of file ESElectronicsSim.cc.

References encode(), i, ESDataFrame::setSample(), ESDataFrame::setSize(), ESDataFrame::size(), and CaloSamples::size().

00055 {
00056 
00057   std::vector<ESSample> essamples = encode(cs);
00058 
00059   df.setSize(cs.size());
00060   for(int i=0; i<df.size(); i++) {
00061     df.setSample(i, essamples[i]);
00062   }
00063 
00064 }

double ESElectronicsSim::decode	(	const ESSample &	sample,
		const DetId &	detId
	)			const `[private]`

Definition at line 133 of file ESElectronicsSim.cc.

Referenced by digitalToAnalog().

00134 {
00135   return 0. ;
00136 }

void ESElectronicsSim::digitalToAnalog	(	const ESDataFrame &	df,
		CaloSamples &	cs
	)			const `[virtual]`

Definition at line 66 of file ESElectronicsSim.cc.

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

00067 {
00068 
00069   for(int i = 0; i < df.size(); i++) {
00070     cs[i] = decode(df[i], df.id());
00071   }
00072 
00073 }

std::vector< ESSample > ESElectronicsSim::encode ( const CaloSamples & timeframe ) const [private]

Definition at line 76 of file ESElectronicsSim.cc.

References ecalMGPA::adc(), addNoise_, baseline_, Exception, gain_, i, int, edm::Service< T >::isAvailable(), MAXADC, MINADC, MIPADC_, MIPkeV_, bookConverter::results, sigma_, signal, and CaloSamples::size().

Referenced by analogToDigital().

00077 {
00078   edm::Service<edm::RandomNumberGenerator> rng;
00079   if ( ! rng.isAvailable()) {
00080     throw cms::Exception("Configuration")
00081       << "ESElectroncSim requires the RandomNumberGeneratorService\n"
00082       "which is not present in the configuration file.  You must add the service\n"
00083       "in the configuration file or remove the modules that require it.";
00084   }
00085 
00086 
00087   std::vector<ESSample> results;
00088   results.reserve(timeframe.size());
00089 
00090   int adc = 0; 
00091   double ADCkeV = MIPADC_/MIPkeV_;
00092 
00093   for (int i=0; i<timeframe.size(); i++) {
00094 
00095     double noi = 0;
00096     double signal = 0;    
00097 
00098     if (addNoise_) {
00099       CLHEP::RandGaussQ gaussQDistribution(rng->getEngine(), 0., sigma_);
00100       noi = gaussQDistribution.fire();
00101     }
00102 
00103     if (gain_ == 0) { 
00104       signal = timeframe[i]*1000000. + noi + baseline_;     
00105 
00106       if (signal>0) 
00107         signal += 0.5;
00108       else if (signal<0)
00109         signal -= 0.5;
00110 
00111       adc = int(signal);
00112     }
00113     else if (gain_ == 1 || gain_ == 2) {
00114       signal = timeframe[i]*1000000.*ADCkeV + noi + baseline_;
00115 
00116       if (signal>0) 
00117         signal += 0.5;
00118       else if (signal<0)
00119         signal -= 0.5;
00120 
00121       adc = int(signal);
00122     }
00123 
00124     if (adc>MAXADC) adc = MAXADC;
00125     if (adc<MINADC) adc = MINADC;
00126 
00127     results.push_back(ESSample(adc));
00128   }
00129 
00130   return results;
00131 }

void ESElectronicsSim::newEvent ( ) [inline]

anything that needs to be done once per event

Definition at line 29 of file ESElectronicsSim.h.

00029 {}

void ESElectronicsSim::setBaseline ( const int baseline )

Definition at line 36 of file ESElectronicsSim.cc.

References baseline_.

00037 {
00038   baseline_ = baseline ;
00039   return ;
00040 }

void ESElectronicsSim::setGain ( const int gain )

Definition at line 30 of file ESElectronicsSim.cc.

References gain_.

00031 {
00032   gain_ = gain ;
00033   return ;
00034 }

void ESElectronicsSim::setMIPADC ( const double MIPADC )

Definition at line 42 of file ESElectronicsSim.cc.

References MIPADC_.

00043 {
00044   MIPADC_ = MIPADC ;
00045   return ;
00046 }

void ESElectronicsSim::setMIPkeV ( const double MIPkeV )

Definition at line 48 of file ESElectronicsSim.cc.

References MIPkeV_.

00049 {
00050   MIPkeV_ = MIPkeV ;
00051   return ;
00052 }

void ESElectronicsSim::setNoiseSigma ( const double sigma )

Definition at line 24 of file ESElectronicsSim.cc.

References sigma_.

00025 {
00026   sigma_ = sigma ;
00027   return ;
00028 }

bool ESElectronicsSim::addNoise_ [private]

Definition at line 33 of file ESElectronicsSim.h.

Referenced by encode().

int ESElectronicsSim::baseline_ [private]

Definition at line 36 of file ESElectronicsSim.h.

Referenced by encode(), and setBaseline().

int ESElectronicsSim::gain_ [private]

Definition at line 35 of file ESElectronicsSim.h.

Referenced by encode(), and setGain().

double ESElectronicsSim::MIPADC_ [private]

Definition at line 37 of file ESElectronicsSim.h.

Referenced by encode(), and setMIPADC().

double ESElectronicsSim::MIPkeV_ [private]

Definition at line 38 of file ESElectronicsSim.h.

Referenced by encode(), and setMIPkeV().

double ESElectronicsSim::sigma_ [private]

Definition at line 34 of file ESElectronicsSim.h.

Referenced by encode(), and setNoiseSigma().

ESElectronicsSim Class Reference

Public Types

Public Member Functions

Private Member Functions

Private Attributes

Detailed Description

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation


Public Types
enum	{ MAXADC = 4095 }
enum	{ MINADC = 0 }
Public Member Functions
virtual void	analogToDigital (const CaloSamples &cs, ESDataFrame &df) const
virtual void	digitalToAnalog (const ESDataFrame &df, CaloSamples &cs) const
	ESElectronicsSim (bool addNoise, double sigma, int gain, int baseline, double MIPADC, double MIPkeV)
void	newEvent ()
	anything that needs to be done once per event
void	setBaseline (const int baseline)
void	setGain (const int gain)
void	setMIPADC (const double MIPADC)
void	setMIPkeV (const double MIPkeV)
void	setNoiseSigma (const double sigma)
Private Member Functions
double	decode (const ESSample &sample, const DetId &detId) const
std::vector< ESSample >	encode (const CaloSamples &timeframe) const
Private Attributes
bool	addNoise_
int	baseline_
int	gain_
double	MIPADC_
double	MIPkeV_
double	sigma_