TRT_LoLumRawData Class Reference

#include <TRT_LoLumRawData.h>

Inheritance diagram for TRT_LoLumRawData:

Collaboration diagram for TRT_LoLumRawData:

Classes
struct	Island

Public Member Functions
	TRT_LoLumRawData (const Identifier rdoId, const unsigned int word)
	TRT_LoLumRawData (const TRT_LoLumRawData &)=default
	TRT_LoLumRawData (TRT_LoLumRawData &&) noexcept=default
TRT_LoLumRawData &	operator= (const TRT_LoLumRawData &)=default
TRT_LoLumRawData &	operator= (TRT_LoLumRawData &&) noexcept=default
virtual	~TRT_LoLumRawData ()=default
virtual bool	highLevel () const override final
bool	highLevel (int) const
virtual double	timeOverThreshold () const override final
virtual int	driftTimeBin () const override final
int	trailingEdge () const
bool	firstBinHigh () const
bool	lastBinHigh () const
	TRT_LoLumRawData ()
virtual Identifier	identify () const override final
unsigned int	getWord () const
void	merge (const InDetRawData &other)
virtual IdentifierHash	identifyHash () const
virtual const IdHelper *	getHelper () const

Static Public Member Functions
static constexpr double	getDriftTimeBinWidth ()
static void	findLargestIsland (unsigned int word, Island &island)
static bool	highLevel (unsigned int word)

Protected Attributes
unsigned int	m_word = 0

Static Protected Attributes
static constexpr double	m_driftTimeBinWidth = 3.125
static constexpr unsigned int	m_maskFourLastBits =0xFFFFFF0
static constexpr unsigned int	m_maskThreeLastBits =0xFFFFFF8

Private Attributes
CxxUtils::CachedValue< Island >	m_island {}
Identifier	m_rdoId

Detailed Description

Definition at line 25 of file TRT_LoLumRawData.h.

Constructor & Destructor Documentation

TRT_LoLumRawData() [1/4]

TRT_LoLumRawData::TRT_LoLumRawData	(	const Identifier	rdoId,
		const unsigned int	word
	)

Definition at line 28 of file TRT_LoLumRawData.cxx.

                                                    :
  TRT_RDORawData( rdoId, word) //call base-class constructor
{}

TRT_LoLumRawData() [2/4]

TRT_LoLumRawData::TRT_LoLumRawData ( const TRT_LoLumRawData &  )

default

TRT_LoLumRawData() [3/4]

TRT_LoLumRawData::TRT_LoLumRawData ( TRT_LoLumRawData &&  )

defaultnoexcept

~TRT_LoLumRawData()

virtual TRT_LoLumRawData::~TRT_LoLumRawData ( )

virtualdefault

TRT_LoLumRawData() [4/4]

TRT_LoLumRawData::TRT_LoLumRawData

(

)

Definition at line 23 of file TRT_LoLumRawData.cxx.

                                   :
  TRT_RDORawData(Identifier(), 0) //call base-class constructor
{}

Member Function Documentation

driftTimeBin()

virtual int TRT_LoLumRawData::driftTimeBin ( ) const

inlinefinaloverridevirtual

Implements TRT_RDORawData.

Definition at line 57 of file TRT_LoLumRawData.h.

                                                  {
    if (!m_island.isValid()) {
     Island tmpIsland;
     findLargestIsland(m_word, tmpIsland);
     m_island.set(tmpIsland);
   }
   return m_island.ptr()->m_leadingEdge;
  };

findLargestIsland()

void TRT_LoLumRawData::findLargestIsland ( unsigned int  word, Island &  island  )

static

Definition at line 33 of file TRT_LoLumRawData.cxx.

                                                                          {
  unsigned long mask = 0x02000000;  // 0 0 10000000 0 00000000 0 00000000
  unsigned int bestLength = 0;
  unsigned int currentLength = 0;
 
  // set 4 last bits to zero (to match data and MC bitmasks)
  unsigned int wordLE = word & m_maskFourLastBits;
 
  mask >>=1;  // 0 0 01000000 0 00000000 0 00000000
  bool SawZero = false;
  unsigned int k = 1;
  island.m_leadingEdge=0, island.m_trailingEdge=0;
  unsigned int currentLeadingEdge=0, currentTrailingEdge=0;
 
  // shift bitmask to the right until end
  while (true) {
    if (!(wordLE & mask) && !SawZero) SawZero = true; // search for the first 0 to 1 transition
    if (SawZero) {
      if (wordLE & mask){
        if (currentLength==0) currentLeadingEdge=k;
        currentTrailingEdge=k;
        ++currentLength;
      } else { // remember longest island, ignore islands of length 1 which are very likely noise
        if (currentLength >= bestLength && currentLeadingEdge<18 && currentLength > 1) {
          bestLength = currentLength;
          island.m_leadingEdge = currentLeadingEdge;
          island.m_trailingEdge = currentTrailingEdge;
        }
        currentLength = 0;
      }
    }
    mask >>= 1;
    if (!(mask & m_maskThreeLastBits)) break; // stop after checking 20 LT bits
    if (k == 7 || k == 15) mask >>= 1; // ignore HT bits
    assert(k < 20);
    ++k;
  }
  assert(k == 20);
  // avoid very early TE, most likely from previous BX. Hit will still be used for tracking if it has a valid LE
  if (island.m_trailingEdge < 8) island.m_trailingEdge = 0;
}

firstBinHigh()

bool TRT_LoLumRawData::firstBinHigh ( ) const

inline

Definition at line 154 of file TRT_LoLumRawData.h.

{
  return (m_word & 0x02000000);
}

getDriftTimeBinWidth()

static constexpr double TRT_LoLumRawData::getDriftTimeBinWidth ( )

inlinestaticconstexpr

Definition at line 88 of file TRT_LoLumRawData.h.

                                                 {
    return m_driftTimeBinWidth;
  };

getHelper()

const IdHelper * Identifiable::getHelper ( ) const

virtualinherited

Definition at line 18 of file Identifiable.cxx.

                             {
    return (nullptr);
}

getWord()

unsigned int InDetRawData::getWord ( ) const

inlineinherited

Definition at line 47 of file InDetRawData.h.

  {
     return m_word;
  }

highLevel() [1/3]

bool TRT_LoLumRawData::highLevel ( ) const

inlinefinaloverridevirtual

Implements TRT_RDORawData.

Definition at line 128 of file TRT_LoLumRawData.h.

{
  return highLevel(m_word);
}

highLevel() [2/3]

bool TRT_LoLumRawData::highLevel ( int  BX ) const

inline

Definition at line 140 of file TRT_LoLumRawData.h.

{
  if ( (BX < 1) || (BX > 3) )
    return false;
 
  return (m_word & ( 1 << (9 * BX - 1) ));
 
}

highLevel() [3/3]

static bool TRT_LoLumRawData::highLevel ( unsigned int  word )

inlinestatic

Definition at line 100 of file TRT_LoLumRawData.h.

                                           {
    // return (m_word & 0x04020100); // check any of the three HT bits
    return (word & 0x00020000); // check only middle HT bit
  }

identify()

virtual Identifier InDetRawData::identify ( ) const

inlinefinaloverridevirtualinherited

Implements Identifiable.

Definition at line 41 of file InDetRawData.h.

  {
      return m_rdoId;
  }

identifyHash()

IdentifierHash Identifiable::identifyHash ( ) const

virtualinherited

Reimplemented in CaloDetDescrElement, CaloDetDescriptor, SiChargedDiodeCollection, Muon::MuonPrepDataCollection< PrepDataT >, SpacePointCollection, Trk::PrepRawDataCollection< PrepRawDataT >, and InDetRawDataCollection< RawDataT >.

Definition at line 11 of file Identifiable.cxx.

                                                {
    IdentifierHash result;
    return (result);
}

lastBinHigh()

bool TRT_LoLumRawData::lastBinHigh ( ) const

inline

Definition at line 165 of file TRT_LoLumRawData.h.

{
  return (m_word & 0x1);
}

merge()

void InDetRawData::merge ( const InDetRawData &  other )

inlineinherited

Definition at line 60 of file InDetRawData.h.

  {
     m_word |= other.m_word;
  }

operator=() [1/2]

TRT_LoLumRawData& TRT_LoLumRawData::operator= ( const TRT_LoLumRawData &  )

default

operator=() [2/2]

TRT_LoLumRawData& TRT_LoLumRawData::operator= ( TRT_LoLumRawData &&  )

defaultnoexcept

timeOverThreshold()

virtual double TRT_LoLumRawData::timeOverThreshold ( ) const

inlinefinaloverridevirtual

Implements TRT_RDORawData.

Definition at line 47 of file TRT_LoLumRawData.h.

                                                         {
   unsigned int leadingEdge = driftTimeBin();
   unsigned int trailingEdge = this->trailingEdge();
   if (leadingEdge && trailingEdge) {
     return (trailingEdge - leadingEdge + 1) * m_driftTimeBinWidth;
   };
   return 0.;
 };

trailingEdge()

int TRT_LoLumRawData::trailingEdge ( ) const

inline

Definition at line 66 of file TRT_LoLumRawData.h.

                           {
    if (!m_island.isValid()) {
     Island tmpIsland;
     findLargestIsland(m_word, tmpIsland);
     m_island.set(tmpIsland);
   }
   return m_island.ptr()->m_trailingEdge;
  };

Member Data Documentation

m_driftTimeBinWidth

constexpr double TRT_LoLumRawData::m_driftTimeBinWidth = 3.125

staticconstexprprotected

Definition at line 80 of file TRT_LoLumRawData.h.

m_island

CxxUtils::CachedValue<Island> TRT_LoLumRawData::m_island {}

private

Definition at line 114 of file TRT_LoLumRawData.h.

m_maskFourLastBits

constexpr unsigned int TRT_LoLumRawData::m_maskFourLastBits =0xFFFFFF0

staticconstexprprotected

Definition at line 83 of file TRT_LoLumRawData.h.

m_maskThreeLastBits

constexpr unsigned int TRT_LoLumRawData::m_maskThreeLastBits =0xFFFFFF8

staticconstexprprotected

Definition at line 84 of file TRT_LoLumRawData.h.

m_rdoId

Identifier InDetRawData::m_rdoId

privateinherited

Definition at line 69 of file InDetRawData.h.

m_word

unsigned int InDetRawData::m_word = 0

protectedinherited

Definition at line 72 of file InDetRawData.h.

---

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

• TRT_LoLumRawData.h
• TRT_LoLumRawData.cxx