#include <SiGaussianTailNoiseAdder.h>

Inheritance diagram for SiGaussianTailNoiseAdder:

Public Member Functions
void	addBaselineShift (std::vector< double > &, std::vector< bool > &)
void	addCMNoise (std::vector< double > &, float, std::vector< bool > &)
void	addNoise (std::vector< double > &, size_t &, size_t &, int, float)
void	addNoiseVR (std::vector< double > &, std::vector< float > &)
void	addPedestals (std::vector< double > &, std::vector< float > &)
	SiGaussianTailNoiseAdder (float, CLHEP::HepRandomEngine &)
	~SiGaussianTailNoiseAdder ()
Private Attributes
CLHEP::RandGaussQ *	gaussDistribution
GaussianTailNoiseGenerator *	genNoise
float	pedValue
CLHEP::HepRandomEngine &	rndEngine
float	threshold

Detailed Description

Definition at line 16 of file SiGaussianTailNoiseAdder.h.

Constructor & Destructor Documentation

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

Definition at line 7 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 16 of file SiGaussianTailNoiseAdder.cc.

References gaussDistribution, and genNoise.

                                                   {
  delete genNoise;
  delete gaussDistribution;
}

Member Function Documentation

void SiGaussianTailNoiseAdder::addBaselineShift	(	std::vector< double > &	in,
		std::vector< bool > &	badChannels
	)		`[virtual]`

Implements SiNoiseAdder.

Definition at line 67 of file SiGaussianTailNoiseAdder.cc.

Referenced by SiStripDigitizerAlgorithm::run().

                                                                                                  {
  size_t nAPVs = in.size()/128;
  std::vector<float> vShift;
  double apvCharge, apvMult;
  
  size_t iChannel;
  for(size_t APVn =0; APVn < nAPVs; ++APVn){
        apvMult=0; apvCharge=0;
        for(iChannel=APVn*128; iChannel!=APVn*128+128; ++iChannel) {
           if(in[iChannel]>0){
                 ++apvMult;
                  apvCharge+= in[iChannel];
           }
           if(apvMult==0) vShift.push_back(0);
           else vShift.push_back(apvCharge/apvMult);
        }
  }
     
  for (iChannel=0; iChannel!=in.size(); ++iChannel) {
     if(!badChannels[iChannel]) in[iChannel] -= vShift[(int)(iChannel/128)];
  }
}

void SiGaussianTailNoiseAdder::addCMNoise	(	std::vector< double > &	in,
		float	cmnRMS,
		std::vector< bool > &	badChannels
	)		`[virtual]`

Implements SiNoiseAdder.

Definition at line 58 of file SiGaussianTailNoiseAdder.cc.

References gaussDistribution.

Referenced by SiStripDigitizerAlgorithm::run().

                                                                                                          {
  int nAPVs = in.size()/128;
  std::vector<float> CMNv;
  for(int APVn =0; APVn < nAPVs; ++APVn) CMNv.push_back(gaussDistribution->fire(0.,cmnRMS));
  for (size_t iChannel=0; iChannel!=in.size(); iChannel++) {
     if(!badChannels[iChannel]) in[iChannel] += CMNv[(int)(iChannel/128)];
  }
}

void SiGaussianTailNoiseAdder::addNoise	(	std::vector< double > &	in,
		size_t &	minChannel,
		size_t &	maxChannel,
		int	numStrips,
		float	noiseRMS
	)		`[virtual]`

Implements SiNoiseAdder.

Definition at line 21 of file SiGaussianTailNoiseAdder.cc.

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

Referenced by SiStripDigitizerAlgorithm::run().

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

  // 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::addNoiseVR	(	std::vector< double > &	in,
		std::vector< float > &	noiseRMS
	)		`[virtual]`

Implements SiNoiseAdder.

Definition at line 44 of file SiGaussianTailNoiseAdder.cc.

References gaussDistribution.

Referenced by SiStripDigitizerAlgorithm::run().

                                                                                          {
  // Add noise
  // Full Gaussian noise is added everywhere
  for (size_t iChannel=0; iChannel!=in.size(); iChannel++) {
     if(noiseRMS[iChannel] > 0.) in[iChannel] += gaussDistribution->fire(0.,noiseRMS[iChannel]);
  }
}

void SiGaussianTailNoiseAdder::addPedestals	(	std::vector< double > &	in,
		std::vector< float > &	ped
	)		`[virtual]`

Implements SiNoiseAdder.

Definition at line 52 of file SiGaussianTailNoiseAdder.cc.

Referenced by SiStripDigitizerAlgorithm::run().

                                                                                       {
        for (size_t iChannel=0; iChannel!=in.size(); iChannel++) {
      if(ped[iChannel]>0.) in[iChannel] += ped[iChannel];      
    }
}