lsst::afw::geom::ellipses::DeterminantRadius Class Reference

The radius defined as the 4th root of the determinant of the quadrupole matrix. More...

#include <radii.h>

Public Member Functions
void	normalize ()
	DeterminantRadius (double value=1.0)
	DeterminantRadius (LogDeterminantRadius const &other)
	DeterminantRadius (DeterminantRadius const &)=default
	DeterminantRadius (DeterminantRadius &&)=default
	~DeterminantRadius ()=default
	operator double const & () const
	operator double & ()
DeterminantRadius &	operator= (double value)
DeterminantRadius &	operator= (LogDeterminantRadius const &other)
DeterminantRadius &	operator= (DeterminantRadius const &)=default
DeterminantRadius &	operator= (DeterminantRadius &&)=default
DeterminantRadius &	operator= (TraceRadius const &)=delete
	Conversion between trace and determinant radii requires ellipticity. More...
DeterminantRadius &	operator= (LogTraceRadius const &)=delete
	Conversion between trace and determinant radii requires ellipticity. More...

Static Public Member Functions
static std::string	getName ()

Friends
template<typename T1 , typename T2 >
class	Separable

Detailed Description

The radius defined as the 4th root of the determinant of the quadrupole matrix.

The determinant radius is equal to the standard radius for a circle, and \(\pi R_{det}^2\) is the area of the ellipse.

Definition at line 57 of file radii.h.

Constructor & Destructor Documentation

DeterminantRadius() [1/4]

lsst::afw::geom::ellipses::DeterminantRadius::DeterminantRadius ( double  value = 1.0 )

inlineexplicit

Definition at line 67 of file radii.h.

: _value(value) {}

DeterminantRadius() [2/4]

lsst::afw::geom::ellipses::DeterminantRadius::DeterminantRadius ( LogDeterminantRadius const &  other )

inlineexplicit

Definition at line 268 of file radii.h.

: _value(std::exp(other)) {}

DeterminantRadius() [3/4]

lsst::afw::geom::ellipses::DeterminantRadius::DeterminantRadius ( DeterminantRadius const &  )

default

DeterminantRadius() [4/4]

lsst::afw::geom::ellipses::DeterminantRadius::DeterminantRadius ( DeterminantRadius &&  )

default

~DeterminantRadius()

lsst::afw::geom::ellipses::DeterminantRadius::~DeterminantRadius ( )

default

Member Function Documentation

getName()

static std::string lsst::afw::geom::ellipses::DeterminantRadius::getName ( )

inlinestatic

Definition at line 65 of file radii.h.

{ return "DeterminantRadius"; }

normalize()

void lsst::afw::geom::ellipses::DeterminantRadius::normalize ( )

inline

Definition at line 59 of file radii.h.

                     {
        if (_value < 0)
            throw LSST_EXCEPT(lsst::pex::exceptions::InvalidParameterError,
                              "Ellipse radius cannot be negative.");
    }

operator double &()

lsst::afw::geom::ellipses::DeterminantRadius::operator double & ( )

inline

Definition at line 77 of file radii.h.

{ return _value; }

operator double const &()

lsst::afw::geom::ellipses::DeterminantRadius::operator double const & ( ) const

inline

Definition at line 75 of file radii.h.

{ return _value; }

operator=() [1/6]

DeterminantRadius& lsst::afw::geom::ellipses::DeterminantRadius::operator= ( DeterminantRadius &&  )

default

operator=() [2/6]

DeterminantRadius& lsst::afw::geom::ellipses::DeterminantRadius::operator= ( DeterminantRadius const &  )

default

operator=() [3/6]

DeterminantRadius& lsst::afw::geom::ellipses::DeterminantRadius::operator= ( double  value )

inline

Definition at line 79 of file radii.h.

                                               {
        _value = value;
        return *this;
    }

operator=() [4/6]

DeterminantRadius & lsst::afw::geom::ellipses::DeterminantRadius::operator= ( LogDeterminantRadius const &  other )

inline

Definition at line 273 of file radii.h.

                                                                                        {
    _value = std::exp(other);
    return *this;
}

operator=() [5/6]

DeterminantRadius& lsst::afw::geom::ellipses::DeterminantRadius::operator= ( LogTraceRadius const &  )

delete

Conversion between trace and determinant radii requires ellipticity.

operator=() [6/6]

DeterminantRadius& lsst::afw::geom::ellipses::DeterminantRadius::operator= ( TraceRadius const &  )

delete

Conversion between trace and determinant radii requires ellipticity.

Friends And Related Function Documentation

Separable

template<typename T1 , typename T2 >

friend class Separable

friend

Definition at line 95 of file radii.h.

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

• /j/snowflake/release/lsstsw/stack/0.4.3/Linux64/afw/21.0.0-25-g1d57be3cd+e73869a214/include/lsst/afw/geom/ellipses/radii.h
• /j/snowflake/release/lsstsw/stack/0.4.3/Linux64/afw/21.0.0-25-g1d57be3cd+e73869a214/src/geom/ellipses/radii.cc