CSCComparatorDigi Class Reference

#include <CSCComparatorDigi.h>

Public Member Functions
	CSCComparatorDigi (int strip, int comparator, int timeBinWord)
	Construct from the strip number and the ADC readings. More...
	CSCComparatorDigi ()
	comparator here can be either 0 or 1 for left or right halfstrip of given strip More...
int	getComparator () const
	Get Comparator readings. Can be 0 or 1. More...
float	getFractionalStrip () const
	Return the fractional half-strip. Counts from 0.25. More...
int	getHalfStrip () const
	Get the associated halfstrip number for this comparator digi. Counts from 0. More...
int	getStrip () const
	Get the strip number. Counts from 1. More...
int	getTimeBin () const
	Return bin number of first time bin which is ON. Counts from 0. More...
std::vector< int >	getTimeBinsOn () const
int	getTimeBinWord () const
	Return the word with each bit corresponding to a time bin. More...
bool	operator< (const CSCComparatorDigi &digi) const
	sort by time first, then by strip More...
bool	operator== (const CSCComparatorDigi &digi) const
	Digis are equal if they are on the same strip and have same Comparator data. More...
void	print () const
	Print content of digi. More...
void	setComparator (int comparator)
	Set Comparator data. More...
void	setStrip (int strip)
	Set the strip number. More...

Private Attributes
uint16_t	comparator_
uint16_t	strip_
uint16_t	timeBinWord_

Detailed Description

Digi for CSC Comparators.

Author

M. Schmitt, Northwestern

Definition at line 16 of file CSCComparatorDigi.h.

Constructor & Destructor Documentation

CSCComparatorDigi::CSCComparatorDigi	(	int	strip,
		int	comparator,
		int	timeBinWord
	)

Construct from the strip number and the ADC readings.

Definition at line 15 of file CSCComparatorDigi.cc.

  : strip_( strip ), comparator_( comparator ), timeBinWord_( timeBinWord ) {
}

CSCComparatorDigi::CSCComparatorDigi

(

)

comparator here can be either 0 or 1 for left or right halfstrip of given strip

Default construction.

Definition at line 20 of file CSCComparatorDigi.cc.

  : strip_( 0 ), comparator_( 0 ), timeBinWord_( 0 ) {
}

Member Function Documentation

int CSCComparatorDigi::getComparator ( ) const

inline

Get Comparator readings. Can be 0 or 1.

Definition at line 38 of file CSCComparatorDigi.h.

References comparator_.

Referenced by CSCCLCTData::add(), getFractionalStrip(), getHalfStrip(), operator<<(), operator==(), and print().

{ return comparator_; }

float CSCComparatorDigi::getFractionalStrip

(

)

const

Return the fractional half-strip. Counts from 0.25.

Definition at line 78 of file CSCComparatorDigi.cc.

References getComparator(), and getStrip().

Referenced by getTimeBinWord().

                                                  {
  return getStrip() + getComparator() * 0.5f - 0.75f;
}

int CSCComparatorDigi::getHalfStrip

(

)

const

Get the associated halfstrip number for this comparator digi. Counts from 0.

Definition at line 73 of file CSCComparatorDigi.cc.

References getComparator(), and getStrip().

Referenced by getTimeBinWord().

                                          {
  return (getStrip() - 1) * 2 + getComparator();
}

int CSCComparatorDigi::getStrip ( ) const

inline

Get the strip number. Counts from 1.

Definition at line 35 of file CSCComparatorDigi.h.

References strip_.

Referenced by CSCCLCTData::add(), getFractionalStrip(), getHalfStrip(), operator<(), operator<<(), operator==(), and print().

{ return strip_; }

int CSCComparatorDigi::getTimeBin

(

)

const

Return bin number of first time bin which is ON. Counts from 0.

Definition at line 56 of file CSCComparatorDigi.cc.

References mps_fire::i, and timeBinWord_.

Referenced by getTimeBinWord(), operator<(), operator<<(), and print().

                                        {
  // Find first bin which fired, counting from 0
  uint16_t tbit=1;
  int tbin=-1;
  for(int i=0;i<16;++i) {
    if(tbit & timeBinWord_) {
      tbin=i;
      break;
    }
    tbit=tbit<<1;
  }
  return tbin;
}

std::vector< int > CSCComparatorDigi::getTimeBinsOn

(

)

const

Return vector of the bin numbers for which time bins are ON. e.g. if bits 0 and 13 fired, then this vector will contain the values 0 and 13

Definition at line 82 of file CSCComparatorDigi.cc.

References mps_fire::i, and timeBinWord_.

Referenced by CSCCLCTData::add(), getTimeBinWord(), and print().

                                                      {
  std::vector<int> tbins;
  uint16_t tbit = timeBinWord_;
  const uint16_t one=1;
  for(int i=0;i<16;++i) {
    if(tbit & one) tbins.push_back(i);
    tbit=tbit>>1;
    if(tbit==0) break; // end already if no more bits set
  }
  return tbins;                                  
}

int CSCComparatorDigi::getTimeBinWord ( ) const

inline

Return the word with each bit corresponding to a time bin.

Definition at line 41 of file CSCComparatorDigi.h.

References getFractionalStrip(), getHalfStrip(), getTimeBin(), getTimeBinsOn(), print(), setComparator(), setStrip(), and timeBinWord_.

Referenced by operator==().

{ return timeBinWord_; }

bool CSCComparatorDigi::operator<

(

const CSCComparatorDigi &

digi

)

const

sort by time first, then by strip

Definition at line 45 of file CSCComparatorDigi.cc.

References getStrip(), getTimeBin(), and mps_fire::result.

                                                                {
  bool result = false;
  if(getTimeBin() == digi.getTimeBin()) {
    result = (getStrip() < digi.getStrip());
  }
  return result;
}

bool CSCComparatorDigi::operator==

(

const CSCComparatorDigi &

digi

)

const

Digis are equal if they are on the same strip and have same Comparator data.

Definition at line 28 of file CSCComparatorDigi.cc.

References getComparator(), getStrip(), and getTimeBinWord().

                                                                   {
  if ( getStrip() != digi.getStrip() ) return false;
  if ( getComparator() != digi.getComparator() ) return false;
  if ( getTimeBinWord() != digi.getTimeBinWord() ) return false;
  return true;
}

void CSCComparatorDigi::print

(

void

)

const

Print content of digi.

Definition at line 107 of file CSCComparatorDigi.cc.

References getComparator(), getStrip(), getTimeBin(), getTimeBinsOn(), and mps_fire::i.

Referenced by getTimeBinWord().

                               {
  std::ostringstream ost;
  ost << "CSCComparatorDigi | strip " << getStrip()
      << " | comparator " << getComparator() 
      << " | first time bin "  << getTimeBin() << " | time bins on ";
  std::vector<int> tbins=getTimeBinsOn();
  for(unsigned int i=0; i<tbins.size();i++) {ost << tbins[i] << " ";}
  edm::LogVerbatim("CSCDigi") << ost.str();
}

void CSCComparatorDigi::setComparator

(

int

comparator

)

Set Comparator data.

Definition at line 100 of file CSCComparatorDigi.cc.

References comparator_.

Referenced by getTimeBinWord().

                                                    {
  comparator_ = comparator;
}

void CSCComparatorDigi::setStrip

(

int

strip

)

Set the strip number.

Definition at line 97 of file CSCComparatorDigi.cc.

References digitizers_cfi::strip, and strip_.

Referenced by getTimeBinWord().

                                          {
  strip_ = strip;
}

Member Data Documentation

uint16_t CSCComparatorDigi::comparator_

private

Definition at line 70 of file CSCComparatorDigi.h.

Referenced by getComparator(), and setComparator().

uint16_t CSCComparatorDigi::strip_

private

Definition at line 69 of file CSCComparatorDigi.h.

Referenced by getStrip(), and setStrip().

uint16_t CSCComparatorDigi::timeBinWord_

private

Definition at line 71 of file CSCComparatorDigi.h.

Referenced by getTimeBin(), getTimeBinsOn(), and getTimeBinWord().