CSCStripConditions Class Reference

#include <CSCStripConditions.h>

Inheritance diagram for CSCStripConditions:

Public Types
typedef math::ErrorD< 8 >::type	CSCCorrelatedNoiseMatrix
typedef CorrelatedNoisifier < CSCCorrelatedNoiseMatrix >	CSCCorrelatedNoisifier

Public Member Functions
float	analogNoise (const CSCDetId &detId, int channel) const
	calculated from pedestalSigma & gain More...
virtual void	crosstalk (const CSCDetId &detId, int channel, double stripLength, bool leftRight, float &capacitive, float &resistive) const =0
	CSCStripConditions ()
virtual float	gain (const CSCDetId &detId, int channel) const =0
virtual float	gainSigma (const CSCDetId &detId, int channel) const =0
virtual void	initializeEvent (const edm::EventSetup &es)
virtual bool	isInBadChamber (const CSCDetId &id) const
	is supplied layer/chamber flagged as bad? (default impl. is no) More...
void	noisify (const CSCDetId &detId, CSCAnalogSignal &signal)
	superimposes noise, in fC, on the signal More...
virtual float	pedestal (const CSCDetId &detId, int channel) const =0
	in ADC counts More...
virtual float	pedestalSigma (const CSCDetId &detId, int channel) const =0
void	setRandomEngine (CLHEP::HepRandomEngine &engine)
virtual float	smearedGain (const CSCDetId &detId, int channel) const
virtual	~CSCStripConditions ()

Protected Member Functions
virtual void	fetchNoisifier (const CSCDetId &detId, int istrip)=0

Protected Attributes
CSCCorrelatedNoisifier *	theNoisifier
CLHEP::RandGaussQ *	theRandGaussQ

Detailed Description

Definition at line 11 of file CSCStripConditions.h.

Member Typedef Documentation

typedef math::ErrorD<8>::type CSCStripConditions::CSCCorrelatedNoiseMatrix

Definition at line 14 of file CSCStripConditions.h.

typedef CorrelatedNoisifier<CSCCorrelatedNoiseMatrix> CSCStripConditions::CSCCorrelatedNoisifier

Definition at line 15 of file CSCStripConditions.h.

Constructor & Destructor Documentation

CSCStripConditions::CSCStripConditions

(

)

Definition at line 14 of file CSCStripConditions.cc.

  : theNoisifier(0),
    theRandGaussQ(0)
 {}

CSCStripConditions::~CSCStripConditions ( )

virtual

Definition at line 20 of file CSCStripConditions.cc.

References theRandGaussQ.

{
  delete theRandGaussQ;
}

Member Function Documentation

float CSCStripConditions::analogNoise	(	const CSCDetId &	detId,
		int	channel
	)		const

calculated from pedestalSigma & gain

Definition at line 57 of file CSCStripConditions.cc.

References gain(), pedestalSigma(), and mathSSE::sqrt().

{
  return sqrt(2) * pedestalSigma(detId, channel) / gain(detId, channel);
}

virtual void CSCStripConditions::crosstalk ( const CSCDetId &  detId, int  channel, double  stripLength, bool  leftRight, float &  capacitive, float &  resistive  ) const

pure virtual

Implemented in CSCDbStripConditions, and CSCConfigurableStripConditions.

Referenced by CSCStripElectronicsSim::addCrosstalk().

virtual void CSCStripConditions::fetchNoisifier ( const CSCDetId &  detId, int  istrip  )

protectedpure virtual

Implemented in CSCDbStripConditions, and CSCConfigurableStripConditions.

Referenced by noisify().

virtual float CSCStripConditions::gain ( const CSCDetId &  detId, int  channel  ) const

pure virtual

channels count from 1 gain is the ratio that takes us from fC to ADC. Nominally around 2

Implemented in CSCDbStripConditions, and CSCConfigurableStripConditions.

Referenced by analogNoise(), noisify(), and smearedGain().

virtual float CSCStripConditions::gainSigma ( const CSCDetId &  detId, int  channel  ) const

pure virtual

Implemented in CSCDbStripConditions, and CSCConfigurableStripConditions.

Referenced by smearedGain().

virtual void CSCStripConditions::initializeEvent ( const edm::EventSetup &  es )

inlinevirtual

Reimplemented in CSCDbStripConditions.

Definition at line 25 of file CSCStripConditions.h.

Referenced by CSCDigiProducer::produce().

{}

virtual bool CSCStripConditions::isInBadChamber ( const CSCDetId &  id ) const

inlinevirtual

is supplied layer/chamber flagged as bad? (default impl. is no)

Reimplemented in CSCDbStripConditions.

Definition at line 45 of file CSCStripConditions.h.

Referenced by CSCDigitizer::doAction().

{ return false; }

void CSCStripConditions::noisify	(	const CSCDetId &	detId,
		CSCAnalogSignal &	signal
	)

superimposes noise, in fC, on the signal

Definition at line 39 of file CSCStripConditions.cc.

References fetchNoisifier(), gain(), CSCAnalogSignal::getElement(), CSCAnalogSignal::getTimeOffset(), CorrelatedNoisifier< M >::noisify(), CSCAnalogSignal::superimpose(), and theNoisifier.

Referenced by CSCStripElectronicsSim::makeNoiseSignal().

{
  const int nScaBins = 8;
  const float scaBinSize = 50.;
  int channel = signal.getElement();
  std::vector<float> binValues(nScaBins, 0.);
  // use a temporary signal, in case we have to rebin
  CSCAnalogSignal tmpSignal(channel, scaBinSize, binValues,
                            0., signal.getTimeOffset());

  fetchNoisifier(detId, channel );
  theNoisifier->noisify(tmpSignal);
  // noise matrix is in ADC counts. onvert to fC
  tmpSignal *= 1./gain(detId, channel);
  signal.superimpose(tmpSignal);
}

virtual float CSCStripConditions::pedestal ( const CSCDetId &  detId, int  channel  ) const

pure virtual

in ADC counts

Implemented in CSCDbStripConditions, and CSCConfigurableStripConditions.

Referenced by CSCStripElectronicsSim::createDigi().

virtual float CSCStripConditions::pedestalSigma ( const CSCDetId &  detId, int  channel  ) const

pure virtual

Implemented in CSCDbStripConditions, and CSCConfigurableStripConditions.

Referenced by analogNoise().

void CSCStripConditions::setRandomEngine

(

CLHEP::HepRandomEngine &

engine

)

Definition at line 26 of file CSCStripConditions.cc.

References theRandGaussQ.

Referenced by CSCDigiProducer::CSCDigiProducer().

{
  if(theRandGaussQ) delete theRandGaussQ;
  theRandGaussQ = new CLHEP::RandGaussQ(engine);
}

float CSCStripConditions::smearedGain ( const CSCDetId &  detId, int  channel  ) const

virtual

Definition at line 33 of file CSCStripConditions.cc.

References gain(), gainSigma(), and theRandGaussQ.

Referenced by CSCStripElectronicsSim::createDigi().

{
  return theRandGaussQ->fire( gain(detId, channel), gainSigma(detId, channel) );
}

Member Data Documentation

CSCCorrelatedNoisifier* CSCStripConditions::theNoisifier

protected

Definition at line 50 of file CSCStripConditions.h.

Referenced by CSCConfigurableStripConditions::fetchNoisifier(), CSCDbStripConditions::fetchNoisifier(), noisify(), and CSCDbStripConditions::~CSCDbStripConditions().

CLHEP::RandGaussQ* CSCStripConditions::theRandGaussQ

protected

Definition at line 51 of file CSCStripConditions.h.

Referenced by setRandomEngine(), smearedGain(), and ~CSCStripConditions().