L1GctJet Class Reference

A Level-1 jet candidate, used within GCT emulation. More...

#include <L1GctJet.h>

Public Types
typedef boost::shared_ptr < L1GctJetEtCalibrationLut >	lutPtr
enum	numberOfBits { kRawsumBitWidth = 10, kRawsumMaxValue = (1<<kRawsumBitWidth) - 1 }

Public Member Functions
int16_t	bx () const
	the bunch crossing number More...
unsigned	calibratedEt (const lutPtr lut) const
unsigned	globalEta () const
	eta value in global CMS coordinates More...
unsigned	globalPhi () const
	phi value in global CMS coordinates More...
unsigned	hwEta () const
	eta value as encoded in hardware at the GCT output More...
unsigned	hwPhi () const
	phi value as encoded in hardware at the GCT output More...
L1CaloRegionDetId	id () const
bool	isCentralJet () const
	test whether this jet candidate is a (non-tau) central jet More...
bool	isForwardJet () const
	test whether this jet candidate is a forward jet More...
bool	isNullJet () const
	test whether this jet candidate has been filled More...
bool	isTauJet () const
	test whether this jet candidate is a valid tau jet More...
L1GctJetCand	jetCand (const lutPtr lut) const
	Functions to convert from internal format to external jet candidates at the output of the jetFinder. More...
L1GctJetCand	jetCand (const std::vector< lutPtr > &luts) const
	Function to convert from internal format to external jet candidates at the output of the jetFinder. More...
	L1GctJet (const uint16_t rawsum=0, const unsigned eta=0, const unsigned phi=0, const bool overFlow=false, const bool forwardJet=true, const bool tauVeto=true, const int16_t bx=0)
bool	operator!= (const L1GctJet &cand) const
	test whether two jets are different More...
bool	operator== (const L1GctJet &cand) const
	test whether two jets are the same More...
bool	overFlow () const
	get overflow More...
uint16_t	rank (const lutPtr lut) const
	The two separate Lut outputs. More...
uint16_t	rawsum () const
unsigned	rctEta () const
	eta value in global CMS coordinates More...
unsigned	rctPhi () const
	phi value in global CMS coordinates More...
void	setBx (const int16_t bx)
void	setDetId (const L1CaloRegionDetId detId)
void	setForward (const bool forward)
void	setOverFlow (const bool overFlow)
void	setRawsum (const uint16_t rawsum)
void	setTauVeto (const bool tauVeto)
void	setupJet (const uint16_t rawsum, const unsigned eta, const unsigned phi, const bool overFlow, const bool forwardJet, const bool tauVeto=true, const int16_t bx=0)
	Setup an existing jet all in one go. More...
bool	tauVeto () const
	~L1GctJet ()

Private Member Functions
uint16_t	lutValue (const lutPtr lut) const

Private Attributes
int16_t	m_bx
bool	m_forwardJet
L1CaloRegionDetId	m_id
	region id, encodes eta and phi More...
bool	m_overFlow
uint16_t	m_rawsum
bool	m_tauVeto

Friends
std::ostream &	operator<< (std::ostream &os, const L1GctJet &cand)

Detailed Description

A Level-1 jet candidate, used within GCT emulation.

Author

Jim Brooke & Robert Frazier

Date

April 2006

Move this to DataFormats/L1GlobalCaloTrigger if possible

Definition at line 27 of file L1GctJet.h.

Member Typedef Documentation

typedef boost::shared_ptr<L1GctJetEtCalibrationLut> L1GctJet::lutPtr

Definition at line 38 of file L1GctJet.h.

Member Enumeration Documentation

enum L1GctJet::numberOfBits

Enumerator
kRawsumBitWidth
kRawsumMaxValue

Definition at line 32 of file L1GctJet.h.

                    {
    kRawsumBitWidth = 10,
    kRawsumMaxValue = (1<<kRawsumBitWidth) - 1
  };

Constructor & Destructor Documentation

L1GctJet::L1GctJet	(	const uint16_t	rawsum = 0,
		const unsigned	eta = 0,
		const unsigned	phi = 0,
		const bool	overFlow = false,
		const bool	forwardJet = true,
		const bool	tauVeto = true,
		const int16_t	bx = 0
	)

Definition at line 8 of file L1GctJet.cc.

                                                                                :
  m_rawsum(rawsum & kRawsumMaxValue),
  m_id(eta, phi),
  m_overFlow(overFlow || (rawsum>kRawsumMaxValue)),
  m_forwardJet(forwardJet),
  m_tauVeto(tauVeto || forwardJet),
  m_bx(bx)
{
}

L1GctJet::~L1GctJet

(

)

Definition at line 19 of file L1GctJet.cc.

{
}

Member Function Documentation

int16_t L1GctJet::bx ( ) const

inline

the bunch crossing number

Definition at line 104 of file L1GctJet.h.

References m_bx.

Referenced by setBx(), and setupJet().

{ return m_bx; }

unsigned L1GctJet::calibratedEt

(

const lutPtr

lut

)

const

Definition at line 113 of file L1GctJet.cc.

References m_rawsum.

{
  return m_rawsum;
}

unsigned L1GctJet::globalEta ( ) const

inline

eta value in global CMS coordinates

Definition at line 86 of file L1GctJet.h.

References L1CaloRegionDetId::ieta(), and m_id.

Referenced by isNullJet(), operator!=(), operator<<(), and operator==().

{ return m_id.ieta(); } 

unsigned L1GctJet::globalPhi ( ) const

inline

phi value in global CMS coordinates

Definition at line 89 of file L1GctJet.h.

References L1CaloRegionDetId::iphi(), and m_id.

Referenced by isNullJet(), operator!=(), operator<<(), and operator==().

{ return m_id.iphi(); } 

unsigned L1GctJet::hwEta

(

)

const

eta value as encoded in hardware at the GCT output

Definition at line 79 of file L1GctJet.cc.

References L1CaloRegionDetId::ieta(), m_id, and L1CaloRegionDetId::rctEta().

Referenced by jetCand().

{
  // Force into 4 bits.
  // Count eta bins separately for central and forward jets. Set MSB to indicate the Wheel
  return (((m_id.rctEta() % 7) & 0x7) | (m_id.ieta()<11 ? 0x8 : 0));
}

unsigned L1GctJet::hwPhi

(

)

const

phi value as encoded in hardware at the GCT output

Definition at line 87 of file L1GctJet.cc.

References L1CaloRegionDetId::iphi(), and m_id.

Referenced by jetCand().

{
  // Force into 5 bits.
  return m_id.iphi() & 0x1f;
}

L1CaloRegionDetId L1GctJet::id ( void  ) const

inline

Definition at line 55 of file L1GctJet.h.

References m_id.

{ return m_id(); }

bool L1GctJet::isCentralJet ( ) const

inline

test whether this jet candidate is a (non-tau) central jet

Definition at line 65 of file L1GctJet.h.

References m_forwardJet, and m_tauVeto.

Referenced by operator<<().

{ return (!m_forwardJet && m_tauVeto); } 

bool L1GctJet::isForwardJet ( ) const

inline

test whether this jet candidate is a forward jet

Definition at line 68 of file L1GctJet.h.

References m_forwardJet.

Referenced by jetCand(), operator!=(), operator<<(), and operator==().

{ return m_forwardJet; } 

bool L1GctJet::isNullJet ( ) const

inline

test whether this jet candidate has been filled

Definition at line 71 of file L1GctJet.h.

References globalEta(), globalPhi(), and m_rawsum.

Referenced by operator!=(), operator<<(), and operator==().

{ return ((m_rawsum==0) && (globalEta()==0) && (globalPhi()==0)); } 

bool L1GctJet::isTauJet ( ) const

inline

test whether this jet candidate is a valid tau jet

Definition at line 62 of file L1GctJet.h.

References m_forwardJet, and m_tauVeto.

Referenced by jetCand(), and operator<<().

{ return (!m_forwardJet && !m_tauVeto); } 

L1GctJetCand L1GctJet::jetCand

(

const lutPtr

lut

)

const

Functions to convert from internal format to external jet candidates at the output of the jetFinder.

Function to convert from internal format to external jet candidates at the output of the jetFinder.

Definition at line 94 of file L1GctJet.cc.

References hwEta(), hwPhi(), isForwardJet(), isTauJet(), m_bx, and rank().

Referenced by jetCand().

{
  return L1GctJetCand(rank(lut), hwPhi(), hwEta(), isTauJet(), isForwardJet(), (uint16_t) 0, (uint16_t) 0, m_bx);
}

L1GctJetCand L1GctJet::jetCand

(

const std::vector< lutPtr > &

luts

)

const

Function to convert from internal format to external jet candidates at the output of the jetFinder.

Definition at line 100 of file L1GctJet.cc.

References jetCand(), rctEta(), and query::result.

{
  L1GctJetCand result;
  if (rctEta() < luts.size()) result = jetCand(luts.at(rctEta()));
  return result;
}

uint16_t L1GctJet::lutValue ( const lutPtr  lut ) const

private

Definition at line 119 of file L1GctJet.cc.

References L1GctJetEtCalibrationLut::JET_ENERGY_BITWIDTH, m_forwardJet, m_overFlow, m_rawsum, m_tauVeto, and query::result.

Referenced by rank().

{
  uint16_t result; 
  if (m_overFlow) { 
    // Set output values to maximum 
    result = 0x3f; 
  } else { 
    unsigned addrBits = m_rawsum;
    // Set the MSB for tau jets
    if (!m_tauVeto && !m_forwardJet) {
      addrBits |= 1 << (L1GctJetEtCalibrationLut::JET_ENERGY_BITWIDTH);
    }
    uint16_t address = static_cast<uint16_t>(addrBits);
    result = lut->lutValue(address);
  }
  return result;
}

bool L1GctJet::operator!=

(

const L1GctJet &

cand

)

const

test whether two jets are different

Definition at line 53 of file L1GctJet.cc.

References globalEta(), globalPhi(), isForwardJet(), isNullJet(), overFlow(), rawsum(), query::result, and tauVeto().

{
  bool result=false;
  result |= !(this->rawsum()==cand.rawsum());
  result |= !(this->overFlow()==cand.overFlow());
  result |= !(this->isForwardJet()==cand.isForwardJet());
  result |= !(this->tauVeto()==cand.tauVeto());
  result |= !(this->globalEta()==cand.globalEta());
  result |= !(this->globalPhi()==cand.globalPhi());
  result &= !(this->isNullJet() && cand.isNullJet());
  return result;
}

bool L1GctJet::operator==

(

const L1GctJet &

cand

)

const

test whether two jets are the same

Definition at line 39 of file L1GctJet.cc.

References globalEta(), globalPhi(), isForwardJet(), isNullJet(), overFlow(), rawsum(), query::result, and tauVeto().

{
  bool result=true;
  result &= (this->rawsum()==cand.rawsum());
  result &= (this->overFlow()==cand.overFlow());
  result &= (this->isForwardJet()==cand.isForwardJet());
  result &= (this->tauVeto()==cand.tauVeto());
  result &= (this->globalEta()==cand.globalEta());
  result &= (this->globalPhi()==cand.globalPhi());
  result |= (this->isNullJet() && cand.isNullJet());
  return result;
}

bool L1GctJet::overFlow ( ) const

inline

get overflow

Definition at line 59 of file L1GctJet.h.

References m_overFlow.

Referenced by operator!=(), operator<<(), operator==(), and setOverFlow().

{ return m_overFlow; }

uint16_t L1GctJet::rank

(

const lutPtr

lut

)

const

The two separate Lut outputs.

Definition at line 108 of file L1GctJet.cc.

References lutValue().

Referenced by jetCand().

{
  return lutValue(lut); 
}

uint16_t L1GctJet::rawsum ( ) const

inline

Definition at line 54 of file L1GctJet.h.

References m_rawsum.

Referenced by operator!=(), and operator==().

{ return m_rawsum; }

unsigned L1GctJet::rctEta ( ) const

inline

eta value in global CMS coordinates

Definition at line 92 of file L1GctJet.h.

References m_id, and L1CaloRegionDetId::rctEta().

Referenced by jetCand().

{ return m_id.rctEta(); } 

unsigned L1GctJet::rctPhi ( ) const

inline

phi value in global CMS coordinates

Definition at line 95 of file L1GctJet.h.

References m_id, and L1CaloRegionDetId::rctPhi().

{ return m_id.rctPhi(); } 

void L1GctJet::setBx ( const int16_t  bx )

inline

Definition at line 51 of file L1GctJet.h.

References bx(), and m_bx.

Referenced by L1GctJetFinderBase::setupObjects().

{ m_bx = bx; }

void L1GctJet::setDetId ( const L1CaloRegionDetId  detId )

inline

Definition at line 47 of file L1GctJet.h.

References m_id.

{ m_id = detId; }

void L1GctJet::setForward ( const bool  forward )

inline

Definition at line 50 of file L1GctJet.h.

References m_forwardJet.

{ m_forwardJet = forward; }

void L1GctJet::setOverFlow ( const bool  overFlow )

inline

Definition at line 48 of file L1GctJet.h.

References m_overFlow, and overFlow().

{ m_overFlow = overFlow; }

void L1GctJet::setRawsum ( const uint16_t  rawsum )

inline

Definition at line 46 of file L1GctJet.h.

References kRawsumMaxValue, m_overFlow, and m_rawsum.

{ m_rawsum = rawsum & kRawsumMaxValue; m_overFlow |= (rawsum > kRawsumMaxValue); }

void L1GctJet::setTauVeto ( const bool  tauVeto )

inline

Definition at line 49 of file L1GctJet.h.

References m_tauVeto, and tauVeto().

{ m_tauVeto = tauVeto; }

void L1GctJet::setupJet	(	const uint16_t	rawsum,
		const unsigned	eta,
		const unsigned	phi,
		const bool	overFlow,
		const bool	forwardJet,
		const bool	tauVeto = true,
		const int16_t	bx = 0
	)

Setup an existing jet all in one go.

Definition at line 66 of file L1GctJet.cc.

References bx(), kRawsumMaxValue, m_bx, m_forwardJet, m_id, m_overFlow, m_rawsum, m_tauVeto, and groupFilesInBlocks::temp.

{
  L1CaloRegionDetId temp(eta, phi);
  m_rawsum = rawsum & kRawsumMaxValue;
  m_id = temp;
  m_overFlow = (overFlow || rawsum>kRawsumMaxValue);
  m_forwardJet = forwardJet;
  m_tauVeto = tauVeto || forwardJet;
  m_bx = bx;
}

bool L1GctJet::tauVeto ( ) const

inline

Definition at line 56 of file L1GctJet.h.

References m_tauVeto.

Referenced by operator!=(), operator==(), and setTauVeto().

{ return m_tauVeto; }

Friends And Related Function Documentation

std::ostream& operator<< ( std::ostream &  os, const L1GctJet &  cand  )

friend

Definition at line 23 of file L1GctJet.cc.

{
  os << "L1 Gct jet";
  os << " energy sum " << cand.m_rawsum;
  if (cand.overFlow()) { os << ", overflow bit set;"; }
  os << " Eta " << cand.globalEta();
  os << " Phi " << cand.globalPhi();
  if (cand.isForwardJet()) { os << ", Forward jet"; }
  if (cand.isCentralJet()) { os << ", Central jet"; }
  if (cand.isTauJet()) { os << ", Tau jet"; }
  if (cand.isNullJet()) { os << ", Null jet"; }

  return os;
}   

Member Data Documentation

int16_t L1GctJet::m_bx

private

Definition at line 123 of file L1GctJet.h.

Referenced by bx(), jetCand(), setBx(), and setupJet().

bool L1GctJet::m_forwardJet

private

Definition at line 121 of file L1GctJet.h.

Referenced by isCentralJet(), isForwardJet(), isTauJet(), lutValue(), setForward(), and setupJet().

L1CaloRegionDetId L1GctJet::m_id

private

region id, encodes eta and phi

Definition at line 119 of file L1GctJet.h.

Referenced by globalEta(), globalPhi(), hwEta(), hwPhi(), id(), rctEta(), rctPhi(), setDetId(), and setupJet().

bool L1GctJet::m_overFlow

private

Definition at line 120 of file L1GctJet.h.

Referenced by lutValue(), overFlow(), setOverFlow(), setRawsum(), and setupJet().

uint16_t L1GctJet::m_rawsum

private

Definition at line 117 of file L1GctJet.h.

Referenced by calibratedEt(), isNullJet(), lutValue(), operator<<(), rawsum(), setRawsum(), and setupJet().

bool L1GctJet::m_tauVeto

private

Definition at line 122 of file L1GctJet.h.

Referenced by isCentralJet(), isTauJet(), lutValue(), setTauVeto(), setupJet(), and tauVeto().