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L1CaloEtScale Class Reference

Description: Class to handle conversion between Et scales in L1 hardware. More...

#include <CondFormats/L1TObjects/interface/L1CaloEtScale.h>

List of all members.

Public Member Functions
double	et (const uint16_t rank) const
	convert from rank to physically meaningful quantity
	L1CaloEtScale (const double linearLsbInGeV, const std::vector< double > thresholdsInGeV)
	constructor takes physically meaningful quantities
	L1CaloEtScale ()
	default constructor (out = in)
double	linearLsb () const
	get LSB of linear input scale
void	print (std::ostream &s) const
uint16_t	rank (const double EtInGeV) const
	convert from physical Et in GeV to rank scale
uint16_t	rank (const uint16_t linear) const
	convert from linear Et scale to rank scale
	~L1CaloEtScale ()
Static Public Attributes
static uint16_t	linScaleMax = 0x3ff
	linear scale maximum
static uint16_t	rankScaleMax = 0x3f
	rank scale maximum
Private Attributes
double	m_linearLsb
	LSB of linear scale in GeV.
std::vector< double >	m_thresholds
	thresholds associated with rank scale in GeV

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Detailed Description

Description: Class to handle conversion between Et scales in L1 hardware.

Usage: <usage>

Definition at line 26 of file L1CaloEtScale.h.

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Constructor & Destructor Documentation

L1CaloEtScale::L1CaloEtScale

(

)

default constructor (out = in)

Definition at line 23 of file L1CaloEtScale.cc.

References i, m_linearLsb, m_thresholds, and rankScaleMax.

                             :
  m_linearLsb(1.0),
  m_thresholds(rankScaleMax)
{

  for (unsigned i=0; i<rankScaleMax; i++) {
    m_thresholds[i] = m_linearLsb * i;
  }

}

L1CaloEtScale::L1CaloEtScale	(	const double	linearLsbInGeV,
		const std::vector< double >	thresholdsInGeV
	)

constructor takes physically meaningful quantities

L1CaloEtScale::~L1CaloEtScale

(

)

Definition at line 47 of file L1CaloEtScale.cc.

                              {

}

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Member Function Documentation

double L1CaloEtScale::et

(

const uint16_t

rank

)

const

convert from rank to physically meaningful quantity

Definition at line 71 of file L1CaloEtScale.cc.

References m_thresholds.

                                                  {

  // return bin centre, except for highest bin
//   if (rank < m_thresholds.size()-1) {
//     return (m_thresholds[rank+1]+m_thresholds[rank]) / 2;
//   }
//   else {
//     return m_thresholds.back();
//   }

// return bin lower edge
  return m_thresholds[rank];

}

double L1CaloEtScale::linearLsb

(

)

const [inline]

get LSB of linear input scale

Definition at line 46 of file L1CaloEtScale.h.

References m_linearLsb.

Referenced by L1GctJetEtCalibrationLut::value().

{ return m_linearLsb; }

void L1CaloEtScale::print

(

std::ostream &

s

)

const

uint16_t L1CaloEtScale::rank

(

const double

EtInGeV

)

const

convert from physical Et in GeV to rank scale

convert from Et in GeV to rank

Definition at line 59 of file L1CaloEtScale.cc.

References i, m_thresholds, out, and rankScaleMax.

                                                       {

  uint16_t out = 0;

  for (unsigned i=0; i<m_thresholds.size() && i<(unsigned)(rankScaleMax+1); i++) {
    if ( EtInGeV >= m_thresholds[i] ) { out = i; }
  }

  return out & rankScaleMax;
}

uint16_t L1CaloEtScale::rank

(

const uint16_t

linear

)

const

convert from linear Et scale to rank scale

Definition at line 52 of file L1CaloEtScale.cc.

References linScaleMax, and m_linearLsb.

Referenced by L1RCTLookupTables::emRank(), and L1GctJetEtCalibrationLut::value().

                                                        {

  return rank( (linear & linScaleMax) * m_linearLsb);

}

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Member Data Documentation

uint16_t L1CaloEtScale::linScaleMax = 0x3ff [static]

linear scale maximum

Definition at line 31 of file L1CaloEtScale.h.

Referenced by L1GctJetEtCalibrationFunction::calibratedEt(), and rank().

double L1CaloEtScale::m_linearLsb [private]

LSB of linear scale in GeV.

Definition at line 62 of file L1CaloEtScale.h.

Referenced by L1CaloEtScale(), linearLsb(), and rank().

std::vector<double> L1CaloEtScale::m_thresholds [private]

thresholds associated with rank scale in GeV

Definition at line 65 of file L1CaloEtScale.h.

Referenced by et(), L1CaloEtScale(), and rank().

uint16_t L1CaloEtScale::rankScaleMax = 0x3f [static]

rank scale maximum

Definition at line 34 of file L1CaloEtScale.h.

Referenced by L1CaloEtScale(), and rank().

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

• CondFormats/L1TObjects/interface/L1CaloEtScale.h
• CondFormats/L1TObjects/src/L1CaloEtScale.cc

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