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SiGaussianTailNoiseAdder Class Reference

#include <SimTracker/SiStripDigitizer/interface/SiGaussianTailNoiseAdder.h>

Inheritance diagram for SiGaussianTailNoiseAdder:

List of all members.

Public Member Functions
void	addNoise (std::vector< double > &, unsigned int &, unsigned int &, int, float)
void	createRaw (std::vector< double > &, unsigned int &, unsigned int &, int, float, float)
	SiGaussianTailNoiseAdder (float, CLHEP::HepRandomEngine &)
	~SiGaussianTailNoiseAdder ()
Private Attributes
CLHEP::RandGaussQ *	gaussDistribution
GaussianTailNoiseGenerator *	genNoise
float	noiseRMS
int	numStrips
float	pedValue
CLHEP::HepRandomEngine &	rndEngine
float	threshold

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Detailed Description

Definition at line 16 of file SiGaussianTailNoiseAdder.h.

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Constructor & Destructor Documentation

SiGaussianTailNoiseAdder::SiGaussianTailNoiseAdder	(	float	th,
		CLHEP::HepRandomEngine &	eng
	)

Definition at line 8 of file SiGaussianTailNoiseAdder.cc.

References gaussDistribution, genNoise, and rndEngine.

                                                                                    :
  threshold(th),
  rndEngine(eng),
  gaussDistribution(0)
{
  genNoise = new GaussianTailNoiseGenerator(rndEngine);
  gaussDistribution = new CLHEP::RandGaussQ(rndEngine);
}

SiGaussianTailNoiseAdder::~SiGaussianTailNoiseAdder

(

)

Definition at line 17 of file SiGaussianTailNoiseAdder.cc.

References gaussDistribution, and genNoise.

                                                   {
  delete genNoise;
  delete gaussDistribution;
}

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Member Function Documentation

void SiGaussianTailNoiseAdder::addNoise	(	std::vector< double > &	in,
		unsigned int &	minChannel,
		unsigned int &	maxChannel,
		int	ns,
		float	nrms
	)			[virtual]

Implements SiNoiseAdder.

Definition at line 22 of file SiGaussianTailNoiseAdder.cc.

References gaussDistribution, GaussianTailNoiseGenerator::generate(), genNoise, noiseRMS, numStrips, p, and threshold.

Referenced by SiStripDigitizerAlgorithm::run().

                                                           {
  
  numStrips = ns; 
  noiseRMS = nrms; 

  std::vector<std::pair<int,float> > generatedNoise;

  genNoise->generate(numStrips,threshold,noiseRMS,generatedNoise);
  
  // noise on strips with signal:
  // ----------------------------
  
  for (unsigned int iChannel=minChannel; iChannel<=maxChannel; iChannel++) {
    if(in[iChannel] != 0) {
      float noise = gaussDistribution->fire(0.,noiseRMS);           
      in[iChannel] += noise;
    }
  }

  //
  // Noise on the other strips
  
  typedef std::vector<std::pair<int,float> >::const_iterator VI;  
  
  for(VI p = generatedNoise.begin(); p != generatedNoise.end(); p++){
    if(in[(*p).first] == 0) {
      in[(*p).first] += (*p).second;
    }
  }
  
}

void SiGaussianTailNoiseAdder::createRaw	(	std::vector< double > &	in,
		unsigned int &	minChannel,
		unsigned int &	maxChannel,
		int	ns,
		float	nrms,
		float	ped
	)			[virtual]

Implements SiNoiseAdder.

Definition at line 56 of file SiGaussianTailNoiseAdder.cc.

References gaussDistribution, GaussianTailNoiseGenerator::generateRaw(), genNoise, noiseRMS, numStrips, p, and pedValue.

Referenced by SiStripDigitizerAlgorithm::run().

                                                                       {
  
  numStrips = ns; 
  noiseRMS = nrms; 
  pedValue = ped;
  
  std::vector<std::pair<int,float> > generatedNoise;
  
  genNoise->generateRaw(numStrips,noiseRMS,generatedNoise);
  
  // noise on strips with signal:
  // ----------------------------
  
  for (unsigned int iChannel=minChannel; iChannel<=maxChannel; iChannel++) {
    if(in[iChannel] != 0) {
      float noise = gaussDistribution->fire(0.,noiseRMS);           
      in[iChannel] += noise;
    }
  }
  
  //
  // Noise on the other strips
  
  typedef std::vector<std::pair<int,float> >::const_iterator VI;  
  
  for(VI p = generatedNoise.begin(); p != generatedNoise.end(); p++){
    if(in[(*p).first] == 0) {
      in[(*p).first] += (*p).second;
    }
  }
  
  // Add pedestals
  for (unsigned int iChannel=0; iChannel!=in.size(); iChannel++) {
    //    std::cout << "Adding pedestal value " << pedValue << " from " << in[iChannel] << " to ";
    in[iChannel] += pedValue;
    //    std::cout << in[iChannel] << std::endl;
  }
  
}

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Member Data Documentation

CLHEP::RandGaussQ* SiGaussianTailNoiseAdder::gaussDistribution [private]

Definition at line 28 of file SiGaussianTailNoiseAdder.h.

Referenced by addNoise(), createRaw(), SiGaussianTailNoiseAdder(), and ~SiGaussianTailNoiseAdder().

GaussianTailNoiseGenerator* SiGaussianTailNoiseAdder::genNoise [private]

Definition at line 29 of file SiGaussianTailNoiseAdder.h.

Referenced by addNoise(), createRaw(), SiGaussianTailNoiseAdder(), and ~SiGaussianTailNoiseAdder().

float SiGaussianTailNoiseAdder::noiseRMS [private]

Definition at line 24 of file SiGaussianTailNoiseAdder.h.

Referenced by addNoise(), and createRaw().

int SiGaussianTailNoiseAdder::numStrips [private]

Definition at line 23 of file SiGaussianTailNoiseAdder.h.

Referenced by addNoise(), and createRaw().

float SiGaussianTailNoiseAdder::pedValue [private]

Definition at line 25 of file SiGaussianTailNoiseAdder.h.

Referenced by createRaw().

CLHEP::HepRandomEngine& SiGaussianTailNoiseAdder::rndEngine [private]

Definition at line 27 of file SiGaussianTailNoiseAdder.h.

Referenced by SiGaussianTailNoiseAdder().

float SiGaussianTailNoiseAdder::threshold [private]

Definition at line 26 of file SiGaussianTailNoiseAdder.h.

Referenced by addNoise().

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The documentation for this class was generated from the following files:

• SimTracker/SiStripDigitizer/interface/SiGaussianTailNoiseAdder.h
• SimTracker/SiStripDigitizer/src/SiGaussianTailNoiseAdder.cc

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