lsst::sphgeom::AngleInterval Class Reference

AngleInterval represents closed intervals of arbitrary angles. More...

#include <AngleInterval.h>

Inheritance diagram for lsst::sphgeom::AngleInterval:

Public Member Functions
	AngleInterval ()
	AngleInterval (Angle x)
	AngleInterval (Angle x, Angle y)
	AngleInterval (Base const &base)
bool	operator== (Interval const &i) const
	Two closed intervals are equal if their endpoints are the same, or both are empty.
bool	operator== (Angle x) const
	A closed interval is equal to a point x if both endpoints equal x.
bool	operator== (Interval const &i) const
	Two closed intervals are equal if their endpoints are the same, or both are empty.
bool	operator== (Angle x) const
	A closed interval is equal to a point x if both endpoints equal x.
bool	operator!= (Interval const &i) const
bool	operator!= (Angle x) const
bool	operator!= (Interval const &i) const
bool	operator!= (Angle x) const
Angle	getA () const
	getA returns the lower endpoint of this interval.
Angle	getA () const
	getA returns the lower endpoint of this interval.
Angle	getB () const
	getB returns the upper endpoint of this interval.
Angle	getB () const
	getB returns the upper endpoint of this interval.
bool	isEmpty () const
	isEmpty returns true if this interval does not contain any points.
bool	isEmpty () const
	isEmpty returns true if this interval does not contain any points.
Angle	getCenter () const
	getCenter returns the center of this interval.
Angle	getCenter () const
	getCenter returns the center of this interval.
Angle	getSize () const
	getSize returns the size (length, width) of this interval.
Angle	getSize () const
	getSize returns the size (length, width) of this interval.
Interval &	dilateBy (Angle x)
	For positive x, dilateBy morphologically dilates this interval by [-x,x], which is equivalent to the taking the Minkowski sum with [-x,x].
Interval &	dilateBy (Angle x)
	For positive x, dilateBy morphologically dilates this interval by [-x,x], which is equivalent to the taking the Minkowski sum with [-x,x].
Interval &	erodeBy (Angle x)
Interval &	erodeBy (Angle x)
AngleInterval	dilatedBy (Angle x) const
AngleInterval	dilatedBy (Angle x) const
AngleInterval	erodedBy (Angle x) const
AngleInterval	erodedBy (Angle x) const
bool	contains (Angle x) const
bool	contains (Interval const &x) const
bool	contains (Angle x) const
bool	contains (Interval const &x) const
bool	isDisjointFrom (Angle x) const
bool	isDisjointFrom (Interval const &x) const
bool	isDisjointFrom (Angle x) const
bool	isDisjointFrom (Interval const &x) const
bool	intersects (Angle x) const
bool	intersects (Interval const &x) const
bool	intersects (Angle x) const
bool	intersects (Interval const &x) const
bool	isWithin (Angle x) const
bool	isWithin (Interval const &x) const
bool	isWithin (Angle x) const
bool	isWithin (Interval const &x) const
Relationship	relate (Angle x) const
Relationship	relate (Interval const &x) const
Relationship	relate (Angle x) const
Relationship	relate (Interval const &x) const
Interval &	clipTo (Angle x)
Interval &	clipTo (Interval const &x)
Interval &	clipTo (Angle x)
Interval &	clipTo (Interval const &x)
AngleInterval	clippedTo (Angle x) const
AngleInterval	clippedTo (Interval const &x) const
AngleInterval	clippedTo (Angle x) const
AngleInterval	clippedTo (Interval const &x) const
Interval &	expandTo (Angle x)
Interval &	expandTo (Interval const &x)
Interval &	expandTo (Angle x)
Interval &	expandTo (Interval const &x)
AngleInterval	expandedTo (Angle x) const
AngleInterval	expandedTo (Interval const &x) const
AngleInterval	expandedTo (Angle x) const
AngleInterval	expandedTo (Interval const &x) const

Static Public Member Functions
static AngleInterval	fromDegrees (double x, double y)
static AngleInterval	fromRadians (double x, double y)
static AngleInterval	empty ()
static AngleInterval	full ()

Detailed Description

AngleInterval represents closed intervals of arbitrary angles.

Definition at line 47 of file AngleInterval.h.

Constructor & Destructor Documentation

AngleInterval() [1/4]

lsst::sphgeom::AngleInterval::AngleInterval ( )

inline

Definition at line 71 of file AngleInterval.h.

: Base() {}

AngleInterval() [2/4]

lsst::sphgeom::AngleInterval::AngleInterval ( Angle x )

inlineexplicit

Definition at line 73 of file AngleInterval.h.

: Base(x) {}

AngleInterval() [3/4]

lsst::sphgeom::AngleInterval::AngleInterval ( Angle x, Angle y )

inline

Definition at line 75 of file AngleInterval.h.

: Base(x, y) {}

AngleInterval() [4/4]

lsst::sphgeom::AngleInterval::AngleInterval ( Base const & base )

inline

Definition at line 77 of file AngleInterval.h.

: Base(base) {}

Member Function Documentation

clippedTo() [1/4]

AngleInterval lsst::sphgeom::Interval< AngleInterval, Angle >::clippedTo ( Angle x ) const

inlineinherited

clippedTo returns the intersection of this interval and x.

Definition at line 190 of file Interval.h.

{ return Interval(*this).clipTo(x); }

clippedTo() [2/4]

AngleInterval lsst::sphgeom::Interval< AngleInterval, Angle >::clippedTo ( Angle x ) const

inlineinherited

clippedTo returns the intersection of this interval and x.

Definition at line 190 of file Interval.h.

{ return Interval(*this).clipTo(x); }

clippedTo() [3/4]

AngleInterval lsst::sphgeom::Interval< AngleInterval, Angle >::clippedTo ( Interval< AngleInterval, Angle > const & x ) const

inlineinherited

clippedTo returns the intersection of this interval and x.

Definition at line 192 of file Interval.h.

                                                {
        return Interval(*this).clipTo(x);
    }

clippedTo() [4/4]

AngleInterval lsst::sphgeom::Interval< AngleInterval, Angle >::clippedTo ( Interval< AngleInterval, Angle > const & x ) const

inlineinherited

clippedTo returns the intersection of this interval and x.

Definition at line 192 of file Interval.h.

                                                {
        return Interval(*this).clipTo(x);
    }

clipTo() [1/4]

Interval & lsst::sphgeom::Interval< AngleInterval, Angle >::clipTo ( Angle x )

inlineinherited

clipTo shrinks this interval until all its points are in x.

Definition at line 166 of file Interval.h.

                                {
        if (x != x) {
            _a = x;
            _b = x;
        } else {
            _a = std::max(_a, x);
            _b = std::min(_b, x);
        }
        return *this;
    }

clipTo() [2/4]

Interval & lsst::sphgeom::Interval< AngleInterval, Angle >::clipTo ( Angle x )

inlineinherited

clipTo shrinks this interval until all its points are in x.

Definition at line 166 of file Interval.h.

                                {
        if (x != x) {
            _a = x;
            _b = x;
        } else {
            _a = std::max(_a, x);
            _b = std::min(_b, x);
        }
        return *this;
    }

clipTo() [3/4]

Interval & lsst::sphgeom::Interval< AngleInterval, Angle >::clipTo ( Interval< AngleInterval, Angle > const & x )

inlineinherited

clipTo shrinks this interval until all its points are in x.

Definition at line 177 of file Interval.h.

                                          {
        if (x.isEmpty()) {
            *this = x;
        } else if (!isEmpty()) {
            _a = std::max(_a, x._a);
            _b = std::min(_b, x._b);
        }
        return *this;
    }

clipTo() [4/4]

Interval & lsst::sphgeom::Interval< AngleInterval, Angle >::clipTo ( Interval< AngleInterval, Angle > const & x )

inlineinherited

clipTo shrinks this interval until all its points are in x.

Definition at line 177 of file Interval.h.

                                          {
        if (x.isEmpty()) {
            *this = x;
        } else if (!isEmpty()) {
            _a = std::max(_a, x._a);
            _b = std::min(_b, x._b);
        }
        return *this;
    }

contains() [1/4]

bool lsst::sphgeom::Interval< AngleInterval, Angle >::contains ( Angle x ) const

inlineinherited

contains returns true if the intersection of this interval and x is equal to x.

Definition at line 105 of file Interval.h.

                                  {
        return (_a <= x && x <= _b) || x != x;
    }

contains() [2/4]

bool lsst::sphgeom::Interval< AngleInterval, Angle >::contains ( Angle x ) const

inlineinherited

contains returns true if the intersection of this interval and x is equal to x.

Definition at line 105 of file Interval.h.

                                  {
        return (_a <= x && x <= _b) || x != x;
    }

contains() [3/4]

bool lsst::sphgeom::Interval< AngleInterval, Angle >::contains ( Interval< AngleInterval, Angle > const & x ) const

inlineinherited

contains returns true if the intersection of this interval and x is equal to x.

Definition at line 109 of file Interval.h.

                                            {
        if (x.isEmpty()) {
            return true;
        } else if (isEmpty()) {
            return false;
        }
        return _a <= x._a && _b >= x._b;
    }

contains() [4/4]

bool lsst::sphgeom::Interval< AngleInterval, Angle >::contains ( Interval< AngleInterval, Angle > const & x ) const

inlineinherited

contains returns true if the intersection of this interval and x is equal to x.

Definition at line 109 of file Interval.h.

                                            {
        if (x.isEmpty()) {
            return true;
        } else if (isEmpty()) {
            return false;
        }
        return _a <= x._a && _b >= x._b;
    }

dilateBy() [1/2]

Interval & lsst::sphgeom::Interval< AngleInterval, Angle >::dilateBy ( Angle x )

inlineinherited

For positive x, dilateBy morphologically dilates this interval by [-x,x], which is equivalent to the taking the Minkowski sum with [-x,x].

For negative x, it morphologically erodes this interval by [x,-x]. If x is zero or NaN, or this interval is empty, there is no effect.

Definition at line 237 of file Interval.h.

                                  {
        if (x == x && !isEmpty()) {
            _a = _a - x;
            _b = _b + x;
        }
        return *this;
    }

dilateBy() [2/2]

Interval & lsst::sphgeom::Interval< AngleInterval, Angle >::dilateBy ( Angle x )

inlineinherited

For positive x, dilateBy morphologically dilates this interval by [-x,x], which is equivalent to the taking the Minkowski sum with [-x,x].

For negative x, it morphologically erodes this interval by [x,-x]. If x is zero or NaN, or this interval is empty, there is no effect.

Definition at line 237 of file Interval.h.

                                  {
        if (x == x && !isEmpty()) {
            _a = _a - x;
            _b = _b + x;
        }
        return *this;
    }

dilatedBy() [1/2]

AngleInterval lsst::sphgeom::Interval< AngleInterval, Angle >::dilatedBy ( Angle x ) const

inlineinherited

Definition at line 246 of file Interval.h.

{ return Interval(*this).dilateBy(x); }

dilatedBy() [2/2]

AngleInterval lsst::sphgeom::Interval< AngleInterval, Angle >::dilatedBy ( Angle x ) const

inlineinherited

Definition at line 246 of file Interval.h.

{ return Interval(*this).dilateBy(x); }

empty()

static AngleInterval lsst::sphgeom::AngleInterval::empty ( )

inlinestatic

Definition at line 61 of file AngleInterval.h.

                                 {
        return AngleInterval();
    }

erodeBy() [1/2]

Interval & lsst::sphgeom::Interval< AngleInterval, Angle >::erodeBy ( Angle x )

inlineinherited

Definition at line 245 of file Interval.h.

{ return dilateBy(-x); }

erodeBy() [2/2]

Interval & lsst::sphgeom::Interval< AngleInterval, Angle >::erodeBy ( Angle x )

inlineinherited

Definition at line 245 of file Interval.h.

{ return dilateBy(-x); }

erodedBy() [1/2]

AngleInterval lsst::sphgeom::Interval< AngleInterval, Angle >::erodedBy ( Angle x ) const

inlineinherited

Definition at line 247 of file Interval.h.

{ return Interval(*this).erodeBy(x); }

erodedBy() [2/2]

AngleInterval lsst::sphgeom::Interval< AngleInterval, Angle >::erodedBy ( Angle x ) const

inlineinherited

Definition at line 247 of file Interval.h.

{ return Interval(*this).erodeBy(x); }

expandedTo() [1/4]

AngleInterval lsst::sphgeom::Interval< AngleInterval, Angle >::expandedTo ( Angle x ) const

inlineinherited

expandedTo returns the smallest interval containing the union of this interval and x.

Definition at line 225 of file Interval.h.

{ return Interval(*this).expandTo(x); }

expandedTo() [2/4]

AngleInterval lsst::sphgeom::Interval< AngleInterval, Angle >::expandedTo ( Angle x ) const

inlineinherited

expandedTo returns the smallest interval containing the union of this interval and x.

Definition at line 225 of file Interval.h.

{ return Interval(*this).expandTo(x); }

expandedTo() [3/4]

AngleInterval lsst::sphgeom::Interval< AngleInterval, Angle >::expandedTo ( Interval< AngleInterval, Angle > const & x ) const

inlineinherited

expandedTo returns the smallest interval containing the union of this interval and x.

Definition at line 227 of file Interval.h.

                                                 {
        return Interval(*this).expandTo(x);
    }

expandedTo() [4/4]

AngleInterval lsst::sphgeom::Interval< AngleInterval, Angle >::expandedTo ( Interval< AngleInterval, Angle > const & x ) const

inlineinherited

expandedTo returns the smallest interval containing the union of this interval and x.

Definition at line 227 of file Interval.h.

                                                 {
        return Interval(*this).expandTo(x);
    }

expandTo() [1/4]

Interval & lsst::sphgeom::Interval< AngleInterval, Angle >::expandTo ( Angle x )

inlineinherited

expandTo minimally expands this interval to contain x.

Definition at line 199 of file Interval.h.

                                  {
        if (isEmpty()) {
            _a = x;
            _b = x;
        } else if (x < _a) {
            _a = x;
        } else if (x > _b) {
            _b = x;
        }
        return *this;
    }

expandTo() [2/4]

Interval & lsst::sphgeom::Interval< AngleInterval, Angle >::expandTo ( Angle x )

inlineinherited

expandTo minimally expands this interval to contain x.

Definition at line 199 of file Interval.h.

                                  {
        if (isEmpty()) {
            _a = x;
            _b = x;
        } else if (x < _a) {
            _a = x;
        } else if (x > _b) {
            _b = x;
        }
        return *this;
    }

expandTo() [3/4]

Interval & lsst::sphgeom::Interval< AngleInterval, Angle >::expandTo ( Interval< AngleInterval, Angle > const & x )

inlineinherited

expandTo minimally expands this interval to contain x.

Definition at line 211 of file Interval.h.

                                            {
        if (isEmpty()) {
            *this = x;
        } else if (!x.isEmpty()) {
            _a = std::min(_a, x._a);
            _b = std::max(_b, x._b);
        }
        return *this;
    }

expandTo() [4/4]

Interval & lsst::sphgeom::Interval< AngleInterval, Angle >::expandTo ( Interval< AngleInterval, Angle > const & x )

inlineinherited

expandTo minimally expands this interval to contain x.

Definition at line 211 of file Interval.h.

                                            {
        if (isEmpty()) {
            *this = x;
        } else if (!x.isEmpty()) {
            _a = std::min(_a, x._a);
            _b = std::max(_b, x._b);
        }
        return *this;
    }

fromDegrees()

static AngleInterval lsst::sphgeom::AngleInterval::fromDegrees ( double x, double y )

inlinestatic

Definition at line 51 of file AngleInterval.h.

                                                         {
        return AngleInterval(Angle::fromDegrees(x),
                             Angle::fromDegrees(y));
    }

fromRadians()

static AngleInterval lsst::sphgeom::AngleInterval::fromRadians ( double x, double y )

inlinestatic

Definition at line 56 of file AngleInterval.h.

                                                         {
        return AngleInterval(Angle::fromRadians(x),
                             Angle::fromRadians(y));
    }

full()

static AngleInterval lsst::sphgeom::AngleInterval::full ( )

inlinestatic

Definition at line 65 of file AngleInterval.h.

                                {
        return AngleInterval(Angle(-std::numeric_limits<double>::infinity()),
                             Angle(std::numeric_limits<double>::infinity()));
    }

getA() [1/2]

Angle lsst::sphgeom::Interval< AngleInterval, Angle >::getA ( ) const

inlineinherited

getA returns the lower endpoint of this interval.

The return value for empty intervals is arbitrary.

Definition at line 83 of file Interval.h.

{ return _a; }

getA() [2/2]

Angle lsst::sphgeom::Interval< AngleInterval, Angle >::getA ( ) const

inlineinherited

getA returns the lower endpoint of this interval.

The return value for empty intervals is arbitrary.

Definition at line 83 of file Interval.h.

{ return _a; }

getB() [1/2]

Angle lsst::sphgeom::Interval< AngleInterval, Angle >::getB ( ) const

inlineinherited

getB returns the upper endpoint of this interval.

The return value for empty intervals is arbitrary.

Definition at line 87 of file Interval.h.

{ return _b; }

getB() [2/2]

Angle lsst::sphgeom::Interval< AngleInterval, Angle >::getB ( ) const

inlineinherited

getB returns the upper endpoint of this interval.

The return value for empty intervals is arbitrary.

Definition at line 87 of file Interval.h.

{ return _b; }

getCenter() [1/2]

Angle lsst::sphgeom::Interval< AngleInterval, Angle >::getCenter ( ) const

inlineinherited

getCenter returns the center of this interval.

It is arbitrary for empty intervals.

Definition at line 96 of file Interval.h.

{ return 0.5 * (_a + _b); }

getCenter() [2/2]

Angle lsst::sphgeom::Interval< AngleInterval, Angle >::getCenter ( ) const

inlineinherited

getCenter returns the center of this interval.

It is arbitrary for empty intervals.

Definition at line 96 of file Interval.h.

{ return 0.5 * (_a + _b); }

getSize() [1/2]

Angle lsst::sphgeom::Interval< AngleInterval, Angle >::getSize ( ) const

inlineinherited

getSize returns the size (length, width) of this interval.

It is zero for single-point intervals, and NaN or negative for empty intervals.

Definition at line 100 of file Interval.h.

{ return _b - _a; }

getSize() [2/2]

Angle lsst::sphgeom::Interval< AngleInterval, Angle >::getSize ( ) const

inlineinherited

getSize returns the size (length, width) of this interval.

It is zero for single-point intervals, and NaN or negative for empty intervals.

Definition at line 100 of file Interval.h.

{ return _b - _a; }

intersects() [1/4]

bool lsst::sphgeom::Interval< AngleInterval, Angle >::intersects ( Angle x ) const

inlineinherited

intersects returns true if the intersection of this interval and x is non-empty.

Definition at line 137 of file Interval.h.

{ return _a <= x && x <= _b; }

intersects() [2/4]

bool lsst::sphgeom::Interval< AngleInterval, Angle >::intersects ( Angle x ) const

inlineinherited

intersects returns true if the intersection of this interval and x is non-empty.

Definition at line 137 of file Interval.h.

{ return _a <= x && x <= _b; }

intersects() [3/4]

bool lsst::sphgeom::Interval< AngleInterval, Angle >::intersects ( Interval< AngleInterval, Angle > const & x ) const

inlineinherited

intersects returns true if the intersection of this interval and x is non-empty.

Definition at line 139 of file Interval.h.

                                              {
        return !isDisjointFrom(x);
    }

intersects() [4/4]

bool lsst::sphgeom::Interval< AngleInterval, Angle >::intersects ( Interval< AngleInterval, Angle > const & x ) const

inlineinherited

intersects returns true if the intersection of this interval and x is non-empty.

Definition at line 139 of file Interval.h.

                                              {
        return !isDisjointFrom(x);
    }

isDisjointFrom() [1/4]

bool lsst::sphgeom::Interval< AngleInterval, Angle >::isDisjointFrom ( Angle x ) const

inlineinherited

isDisjointFrom returns true if the intersection of this interval and x is empty.

Definition at line 122 of file Interval.h.

                                        {
        return !intersects(x);
    }

isDisjointFrom() [2/4]

bool lsst::sphgeom::Interval< AngleInterval, Angle >::isDisjointFrom ( Angle x ) const

inlineinherited

isDisjointFrom returns true if the intersection of this interval and x is empty.

Definition at line 122 of file Interval.h.

                                        {
        return !intersects(x);
    }

isDisjointFrom() [3/4]

bool lsst::sphgeom::Interval< AngleInterval, Angle >::isDisjointFrom ( Interval< AngleInterval, Angle > const & x ) const

inlineinherited

isDisjointFrom returns true if the intersection of this interval and x is empty.

Definition at line 126 of file Interval.h.

                                                  {
        if (isEmpty() || x.isEmpty()) {
            return true;
        }
        return _a > x._b || _b < x._a;
    }

isDisjointFrom() [4/4]

bool lsst::sphgeom::Interval< AngleInterval, Angle >::isDisjointFrom ( Interval< AngleInterval, Angle > const & x ) const

inlineinherited

isDisjointFrom returns true if the intersection of this interval and x is empty.

Definition at line 126 of file Interval.h.

                                                  {
        if (isEmpty() || x.isEmpty()) {
            return true;
        }
        return _a > x._b || _b < x._a;
    }

isEmpty() [1/2]

bool lsst::sphgeom::Interval< AngleInterval, Angle >::isEmpty ( ) const

inlineinherited

isEmpty returns true if this interval does not contain any points.

Definition at line 90 of file Interval.h.

                         {
        return !(_a <= _b); // returns true when _a and/or _b is NaN
    }

isEmpty() [2/2]

bool lsst::sphgeom::Interval< AngleInterval, Angle >::isEmpty ( ) const

inlineinherited

isEmpty returns true if this interval does not contain any points.

Definition at line 90 of file Interval.h.

                         {
        return !(_a <= _b); // returns true when _a and/or _b is NaN
    }

isWithin() [1/4]

bool lsst::sphgeom::Interval< AngleInterval, Angle >::isWithin ( Angle x ) const

inlineinherited

isWithin returns true if the intersection of this interval and x is this interval.

Definition at line 147 of file Interval.h.

                                  {
        return (_a == x && _b == x) || isEmpty();
    }

isWithin() [2/4]

bool lsst::sphgeom::Interval< AngleInterval, Angle >::isWithin ( Angle x ) const

inlineinherited

isWithin returns true if the intersection of this interval and x is this interval.

Definition at line 147 of file Interval.h.

                                  {
        return (_a == x && _b == x) || isEmpty();
    }

isWithin() [3/4]

bool lsst::sphgeom::Interval< AngleInterval, Angle >::isWithin ( Interval< AngleInterval, Angle > const & x ) const

inlineinherited

isWithin returns true if the intersection of this interval and x is this interval.

Definition at line 151 of file Interval.h.

                                            {
        return x.contains(*this);
    }

isWithin() [4/4]

bool lsst::sphgeom::Interval< AngleInterval, Angle >::isWithin ( Interval< AngleInterval, Angle > const & x ) const

inlineinherited

isWithin returns true if the intersection of this interval and x is this interval.

Definition at line 151 of file Interval.h.

                                            {
        return x.contains(*this);
    }

operator!=() [1/4]

bool lsst::sphgeom::Interval< AngleInterval, Angle >::operator!= ( Angle x ) const

inlineinherited

Definition at line 79 of file Interval.h.

{ return !(*this == x); }

operator!=() [2/4]

bool lsst::sphgeom::Interval< AngleInterval, Angle >::operator!= ( Angle x ) const

inlineinherited

Definition at line 79 of file Interval.h.

{ return !(*this == x); }

operator!=() [3/4]

bool lsst::sphgeom::Interval< AngleInterval, Angle >::operator!= ( Interval< AngleInterval, Angle > const & i ) const

inlineinherited

Definition at line 72 of file Interval.h.

{ return !(*this == i); }

operator!=() [4/4]

bool lsst::sphgeom::Interval< AngleInterval, Angle >::operator!= ( Interval< AngleInterval, Angle > const & i ) const

inlineinherited

Definition at line 72 of file Interval.h.

{ return !(*this == i); }

operator==() [1/4]

bool lsst::sphgeom::Interval< AngleInterval, Angle >::operator== ( Angle x ) const

inlineinherited

A closed interval is equal to a point x if both endpoints equal x.

Definition at line 75 of file Interval.h.

                                    {
        return (_a == x && _b == x) || (x != x && isEmpty());
    }

operator==() [2/4]

bool lsst::sphgeom::Interval< AngleInterval, Angle >::operator== ( Angle x ) const

inlineinherited

A closed interval is equal to a point x if both endpoints equal x.

Definition at line 75 of file Interval.h.

                                    {
        return (_a == x && _b == x) || (x != x && isEmpty());
    }

operator==() [3/4]

bool lsst::sphgeom::Interval< AngleInterval, Angle >::operator== ( Interval< AngleInterval, Angle > const & i ) const

inlineinherited

Two closed intervals are equal if their endpoints are the same, or both are empty.

Definition at line 68 of file Interval.h.

                                              {
        return (_a == i._a && _b == i._b) || (i.isEmpty() && isEmpty());
    }

operator==() [4/4]

bool lsst::sphgeom::Interval< AngleInterval, Angle >::operator== ( Interval< AngleInterval, Angle > const & i ) const

inlineinherited

Two closed intervals are equal if their endpoints are the same, or both are empty.

Definition at line 68 of file Interval.h.

                                              {
        return (_a == i._a && _b == i._b) || (i.isEmpty() && isEmpty());
    }

relate() [1/4]

Relationship lsst::sphgeom::Interval< AngleInterval, Angle >::relate ( Angle x ) const

inherited

relate returns a bitset S describing the spatial relationships between this interval and x. For each relation that holds, the bitwise AND of S and the corresponding Relationship will be non-zero.

relate() [2/4]

Relationship lsst::sphgeom::Interval< AngleInterval, Angle >::relate ( Angle x ) const

inherited

relate returns a bitset S describing the spatial relationships between this interval and x. For each relation that holds, the bitwise AND of S and the corresponding Relationship will be non-zero.

Definition at line 160 of file Interval.h.

                                                             {
    if (isEmpty()) {
        if (x != x) {
            return CONTAINS | DISJOINT | WITHIN;
        }
        return DISJOINT | WITHIN;
    }
    if (x != x) {
        return CONTAINS | DISJOINT;
    }
    if (_a == x && _b == x) {
        return CONTAINS | WITHIN;
    }
    if (intersects(x)) {
        return CONTAINS;
    }
    return DISJOINT;
}

relate() [3/4]

Relationship lsst::sphgeom::Interval< AngleInterval, Angle >::relate ( Interval< AngleInterval, Angle > const & x ) const

inherited

relate returns a bitset S describing the spatial relationships between this interval and x. For each relation that holds, the bitwise AND of S and the corresponding Relationship will be non-zero.

relate() [4/4]

Relationship lsst::sphgeom::Interval< AngleInterval, Angle >::relate ( Interval< AngleInterval, Angle > const & x ) const

inherited

relate returns a bitset S describing the spatial relationships between this interval and x. For each relation that holds, the bitwise AND of S and the corresponding Relationship will be non-zero.

Definition at line 161 of file Interval.h.

{
    if (isEmpty()) {
        if (x.isEmpty()) {
            return CONTAINS | DISJOINT | WITHIN;
        }
        return DISJOINT | WITHIN;
    }
    if (x.isEmpty()) {
        return CONTAINS | DISJOINT;
    }
    if (_a == x._a && _b == x._b) {
        return CONTAINS | WITHIN;
    }
    if (_a > x._b || _b < x._a) {
        return DISJOINT;
    }
    if (_a <= x._a && _b >= x._b) {
        return CONTAINS;
    }
    if (x._a <= _a && x._b >= _b) {
        return WITHIN;
    }
    return INTERSECTS;
}

---

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

• /j/snowflake/release/lsstsw/stack/lsst-scipipe-10.0.0/Linux64/sphgeom/g7b71ed6315+fcb1d3bbc8/include/lsst/sphgeom/AngleInterval.h