CMSSW Reference Manual

HcalPedestalWidth::HcalPedestalWidth ( int fId = 0 )

Definition at line 25 of file HcalPedestalWidth.cc.

References i, and mSigma00.

00025                                              : mId (fId) {
00026   for (int i = 10; --i >= 0; *(&mSigma00 + i) = 0) {}
00027 }

float HcalPedestalWidth::getSigma	(	int	fCapId1,
		int	fCapId2
	)			const

get correlation element for capId1/2 = 0..3

Definition at line 33 of file HcalPedestalWidth.cc.

References getValues(), and offset.

Referenced by XMLDocument::addData(), HcalDeadCellMonitor::createMaps(), HcalHotCellMonitor::createMaps(), dumpData(), HcalPedestalMonitor::fillDBValues(), XMLDocument::makeData(), makeNoise(), and HcalRecHitsMaker::noiseInfCfromDB().

00033                                                                  {
00034   return *(getValues () + offset (fCapId1, fCapId2));
00035 }

const float* HcalPedestalWidth::getValues ( ) const [inline]

get value for all capId = 0..3, 10 values in total

Definition at line 17 of file HcalPedestalWidth.h.

References mSigma00.

Referenced by HcalPedestalWidthsCheck::analyze(), getSigma(), and getWidth().

00017 {return &mSigma00;}

float HcalPedestalWidth::getWidth ( int fCapId ) const

get width (sqrt(sigma_i_i)) for capId = 0..3

Definition at line 29 of file HcalPedestalWidth.cc.

References getValues(), offset, and funct::sqrt().

Referenced by HcalDbService::makeHcalCalibrationWidth(), and HcalDigiTester::reco().

00029                                                    {
00030   return sqrt (*(getValues () + offset (fCapId, fCapId)));
00031 }

void HcalPedestalWidth::makeNoise	(	unsigned	fFrames,
		const double *	fGauss,
		double *	fNoise
	)			const

Definition at line 42 of file HcalPedestalWidth.cc.

References getSigma(), i, and funct::sqrt().

Referenced by HcalAmplifier::amplify().

00042                                                                                                {
00043 
00044   double s_xx_mean = (getSigma (0,0) + getSigma (1,1) + getSigma (2,2) + getSigma (3,3)) / 4;
00045 
00046   // S. Abdullin, 22.09.2008
00047   // replacing this sum (not quite correct, anyway, as it should be  
00048   // (0,1), (1,2), (2,3), (3,0) from the full *asymmetric* matrix.
00049   //  double s_xy_mean =  (getSigma (1,0) + getSigma (2,1)
00050   //                     + getSigma (3,2) + getSigma (3,0)) / 4;
00051   // with just a (fixed as optimal) fraction of diagonal elements:
00052   double s_xy_mean = -0.5 * s_xx_mean;
00053 
00054   // added a simple protection against negative sqrt() arguments in case of 
00055   // improperly big off-diaigonal terms (S.Abdullin, 27.03.2008)
00056   double term  = s_xx_mean*s_xx_mean - 2.*s_xy_mean*s_xy_mean;
00057   if (term < 0.) term = 1.e-50 ;
00058   double sigma = sqrt (0.5 * (s_xx_mean + sqrt(term)));
00059   double corr = sigma == 0. ? 0. : 0.5*s_xy_mean / sigma;
00060 
00061   for (unsigned i = 0; i < fFrames; i++) {
00062     fNoise [i] = fGauss[i]*sigma;
00063     if (i > 0) fNoise [i] += fGauss[i-1]*corr;
00064     if (i < fFrames-1) fNoise [i] += fGauss[i+1]*corr;
00065   }
00066 }

uint32_t HcalPedestalWidth::rawId ( ) const [inline]

Definition at line 29 of file HcalPedestalWidth.h.

References mId.

00029 {return mId;}

void HcalPedestalWidth::setSigma	(	int	fCapId1,
		int	fCapId2,
		float	fSigma
	)

Definition at line 37 of file HcalPedestalWidth.cc.

References mSigma00, and offset.

Referenced by HcalDbXml::dumpObject(), HcalDbOnline::getObject(), HcalPedestalAnalysis::HcalPedVal(), and HcalPedestalsAnalysis::~HcalPedestalsAnalysis().

00037                                                                         {
00038   *(&mSigma00 + offset (fCapId1, fCapId2)) = fSigma;
00039 }

uint32_t HcalPedestalWidth::mId [private]

Definition at line 35 of file HcalPedestalWidth.h.

Referenced by rawId().

float HcalPedestalWidth::mSigma00 [private]

Definition at line 36 of file HcalPedestalWidth.h.

Referenced by getValues(), HcalPedestalWidth(), and setSigma().

float HcalPedestalWidth::mSigma10 [private]

Definition at line 37 of file HcalPedestalWidth.h.

float HcalPedestalWidth::mSigma11 [private]

Definition at line 38 of file HcalPedestalWidth.h.

float HcalPedestalWidth::mSigma20 [private]

Definition at line 39 of file HcalPedestalWidth.h.

float HcalPedestalWidth::mSigma21 [private]

Definition at line 40 of file HcalPedestalWidth.h.

float HcalPedestalWidth::mSigma22 [private]

Definition at line 41 of file HcalPedestalWidth.h.

float HcalPedestalWidth::mSigma30 [private]

Definition at line 42 of file HcalPedestalWidth.h.

float HcalPedestalWidth::mSigma31 [private]

Definition at line 43 of file HcalPedestalWidth.h.

float HcalPedestalWidth::mSigma32 [private]

Definition at line 44 of file HcalPedestalWidth.h.

float HcalPedestalWidth::mSigma33 [private]

Definition at line 45 of file HcalPedestalWidth.h.

HcalPedestalWidth Class Reference

Public Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation


Public Member Functions
float	getSigma (int fCapId1, int fCapId2) const
	get correlation element for capId1/2 = 0..3
const float *	getValues () const
	get value for all capId = 0..3, 10 values in total
float	getWidth (int fCapId) const
	get width (sqrt(sigma_i_i)) for capId = 0..3
	HcalPedestalWidth (int fId=0)
void	makeNoise (unsigned fFrames, const double fGauss, double fNoise) const
uint32_t	rawId () const
void	setSigma (int fCapId1, int fCapId2, float fSigma)
Private Attributes
uint32_t	mId
float	mSigma00
float	mSigma10
float	mSigma11
float	mSigma20
float	mSigma21
float	mSigma22
float	mSigma30
float	mSigma31
float	mSigma32
float	mSigma33