#include <RegSelRoI.h>

Collaboration diagram for RegSelRoI:

Public Member Functions
	RegSelRoI ()
	RegSelRoI (double zMin, double zMax, double phiMin, double phiMax, double etaMin, double etaMax)
	~RegSelRoI ()=default
double	getzMin () const
double	getzMax () const
double	getphiMin () const
double	getphiMax () const
double	getetaMin () const
double	getetaMax () const
double	getaMin () const
double	getaMax () const
bool	getsplit () const
double	getphiWidth () const
double	getzWidth () const
double	getzMin (const double r) const
double	getzMax (const double r) const
double	getrMin (const double z) const
double	getrMax (const double z) const
double	etaMinLimit (double r) const
	find the min eta limits for an object fully contained within an roi, bounded with the specifed radius
double	etaMaxLimit (double r) const
	find the max eta limits for an object fully contained within an roi, bounded with the specifed radius

Private Attributes
double	m_zMin
double	m_zMax
double	m_phiMin
double	m_phiMax
double	m_etaMin
double	m_etaMax
double	m_invaMin
double	m_invaMax
double	m_aMin
double	m_aMax
bool	m_split

Detailed Description

Definition at line 32 of file RegSelRoI.h.

Constructor & Destructor Documentation

◆ RegSelRoI() [1/2]

RegSelRoI::RegSelRoI ( )

inline

Definition at line 36 of file RegSelRoI.h.

36{ }

◆ RegSelRoI() [2/2]

RegSelRoI::RegSelRoI	(	double	zMin,
		double	zMax,
		double	phiMin,
		double	phiMax,
		double	etaMin,
		double	etaMax )

prefer std::fabs here since want manifest double precision

shouldn't be needed now if the float(M_PI) tests work but leave for more guaranteed robustness

Definition at line 31 of file RegSelRoI.cxx.

  : m_zMin(zMin),     m_zMax(zMax), 
    m_phiMin(phiMin), m_phiMax(phiMax), 
    m_etaMin(etaMin), m_etaMax(etaMax),
    m_split(false)
{
  // calculate and store inverses
  m_invaMin = std::tan(2*atan(exp(-m_etaMin)));
  m_invaMax = std::tan(2*atan(exp(-m_etaMax)));
  m_aMin = 1/m_invaMin;
  m_aMax = 1/m_invaMax;
 
  // just check explicitly, in case either range individually 
  // is set to pi
  if ( m_phiMin==float(-M_PI) ) m_phiMin=-M_PI;
  if ( m_phiMax==float( M_PI) ) m_phiMax= M_PI;
 
  // AAARGH!!!! Check that the roi is in the correct range 
  double deltaphi = m_phiMax-m_phiMin;
 
  if ( m_phiMax<m_phiMin ) deltaphi+=M_2PI;
  if ( std::fabs(deltaphi-M_2PI)>1e-6 ) { 
    if ( m_phiMin> M_PI ) m_phiMin -= M_2PI;
    if ( m_phiMin<-M_PI ) m_phiMin += M_2PI;
    
    if ( m_phiMax> M_PI ) m_phiMax -= M_2PI;
    if ( m_phiMax<-M_PI ) m_phiMax += M_2PI;
  }
  else { 
    m_phiMin = -M_PI;
    m_phiMax =  M_PI;
  }  
 
  m_split = (m_phiMax<m_phiMin);
 
}

◆ ~RegSelRoI()

RegSelRoI::~RegSelRoI ( )

default

Member Function Documentation

◆ etaMaxLimit()

double RegSelRoI::etaMaxLimit ( double r ) const

inline

find the max eta limits for an object fully contained within an roi, bounded with the specifed radius

Definition at line 79 of file RegSelRoI.h.

                                     { 
    double x = r*m_aMax+getzWidth();
    if ( x==0 ) return 0;
    double tantheta = r/x;
    double theta = std::atan(tantheta);
    if ( theta<0 ) theta += M_PI;
    return -std::log(std::tan(0.5*theta));    
  }

◆ etaMinLimit()

double RegSelRoI::etaMinLimit ( double r ) const

inline

find the min eta limits for an object fully contained within an roi, bounded with the specifed radius

Definition at line 68 of file RegSelRoI.h.

                                     {
    double x = r*m_aMin-getzWidth();
    if ( x==0 ) return 0;
    double tantheta = r/x;
    double theta = std::atan(tantheta);
    if ( theta<0 ) theta += M_PI;
    return -std::log(std::tan(0.5*theta));    
  }

◆ getaMax()

double RegSelRoI::getaMax ( ) const

inline

Definition at line 51 of file RegSelRoI.h.

51{ return m_aMax; }

◆ getaMin()

double RegSelRoI::getaMin ( ) const

inline

Definition at line 50 of file RegSelRoI.h.

50{ return m_aMin; }

◆ getetaMax()

double RegSelRoI::getetaMax ( ) const

inline

Definition at line 49 of file RegSelRoI.h.

49{ return m_etaMax; }

◆ getetaMin()

double RegSelRoI::getetaMin ( ) const

inline

Definition at line 48 of file RegSelRoI.h.

48{ return m_etaMin; }

◆ getphiMax()

double RegSelRoI::getphiMax ( ) const

inline

Definition at line 47 of file RegSelRoI.h.

47{ return m_phiMax; }

◆ getphiMin()

double RegSelRoI::getphiMin ( ) const

inline

Definition at line 46 of file RegSelRoI.h.

46{ return m_phiMin; }

◆ getphiWidth()

double RegSelRoI::getphiWidth ( ) const

inline

Definition at line 54 of file RegSelRoI.h.

54{ return ( m_phiMax>=m_phiMin ? m_phiMax-m_phiMin : m_phiMax-m_phiMin+2*M_PI ); }

◆ getrMax()

double RegSelRoI::getrMax ( const double z ) const

inline

Definition at line 63 of file RegSelRoI.h.

63{ return (z-m_zMax)*m_invaMax; }

z

#define z

◆ getrMin()

double RegSelRoI::getrMin ( const double z ) const

inline

Definition at line 62 of file RegSelRoI.h.

62{ return (z-m_zMin)*m_invaMin; }

◆ getsplit()

bool RegSelRoI::getsplit ( ) const

inline

Definition at line 52 of file RegSelRoI.h.

52{ return m_split; }

◆ getzMax() [1/2]

double RegSelRoI::getzMax ( ) const

inline

Definition at line 45 of file RegSelRoI.h.

45{ return m_zMax; }

◆ getzMax() [2/2]

double RegSelRoI::getzMax ( const double r ) const

inline

Definition at line 59 of file RegSelRoI.h.

59{ return r*m_aMax+m_zMax; }

◆ getzMin() [1/2]

double RegSelRoI::getzMin ( ) const

inline

Definition at line 44 of file RegSelRoI.h.

44{ return m_zMin; }

◆ getzMin() [2/2]

double RegSelRoI::getzMin ( const double r ) const

inline

Definition at line 58 of file RegSelRoI.h.

58{ return r*m_aMin+m_zMin; }

◆ getzWidth()

double RegSelRoI::getzWidth ( ) const

inline

Definition at line 55 of file RegSelRoI.h.

55{ return m_zMax-m_zMin; }

Member Data Documentation

◆ m_aMax

double RegSelRoI::m_aMax

private

Definition at line 94 of file RegSelRoI.h.

◆ m_aMin

double RegSelRoI::m_aMin

private

Definition at line 94 of file RegSelRoI.h.

◆ m_etaMax

double RegSelRoI::m_etaMax

private

Definition at line 92 of file RegSelRoI.h.

◆ m_etaMin

double RegSelRoI::m_etaMin

private

Definition at line 92 of file RegSelRoI.h.

◆ m_invaMax

double RegSelRoI::m_invaMax

private

Definition at line 93 of file RegSelRoI.h.

◆ m_invaMin

double RegSelRoI::m_invaMin

private

Definition at line 93 of file RegSelRoI.h.

◆ m_phiMax

double RegSelRoI::m_phiMax

private

Definition at line 91 of file RegSelRoI.h.

◆ m_phiMin

double RegSelRoI::m_phiMin

private

Definition at line 91 of file RegSelRoI.h.

◆ m_split

bool RegSelRoI::m_split

private

Definition at line 96 of file RegSelRoI.h.

◆ m_zMax

double RegSelRoI::m_zMax

private

Definition at line 90 of file RegSelRoI.h.

◆ m_zMin

double RegSelRoI::m_zMin

private

Definition at line 90 of file RegSelRoI.h.

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

Public Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ RegSelRoI() [1/2]

◆ RegSelRoI() [2/2]

◆ ~RegSelRoI()

Member Function Documentation

◆ etaMaxLimit()

◆ etaMinLimit()

◆ getaMax()

◆ getaMin()

◆ getetaMax()

◆ getetaMin()

◆ getphiMax()

◆ getphiMin()

◆ getphiWidth()

◆ getrMax()

◆ getrMin()

◆ getsplit()

◆ getzMax() [1/2]

◆ getzMax() [2/2]

◆ getzMin() [1/2]

◆ getzMin() [2/2]

◆ getzWidth()

Member Data Documentation

◆ m_aMax

◆ m_aMin

◆ m_etaMax

◆ m_etaMin

◆ m_invaMax

◆ m_invaMin

◆ m_phiMax

◆ m_phiMin

◆ m_split

◆ m_zMax

◆ m_zMin