lsst::geom::PointBase< T, N > Class Template Reference

#include <Point.h>

Inheritance diagram for lsst::geom::PointBase< T, N >:

Public Types
typedef T	Element
typedef Eigen::Matrix< T, N, 1, Eigen::DontAlign >	EigenVector

Public Member Functions
	PointBase (PointBase const &)=default
	PointBase (PointBase &&)=default
PointBase &	operator= (PointBase const &)=default
PointBase &	operator= (PointBase &&)=default
	~PointBase ()=default
bool	operator== (Point< T, N > const &other) const noexcept
	Standard equality comparison.
bool	operator!= (Point< T, N > const &other) const noexcept
	Standard inequality comparison.
T &	operator[] (int n)
T const &	operator[] (int n) const
T &	operator[] (int n)
T const &	operator[] (int n) const
T &	coeffRef (int n)
T const &	coeffRef (int n) const
T &	coeffRef (int n)
T const &	coeffRef (int n) const
EigenVector const &	asEigen () const noexcept(IS_ELEMENT_NOTHROW_COPYABLE)
	Return a fixed-size Eigen representation of the coordinate object.
EigenVector const &	asEigen () const noexcept(IS_ELEMENT_NOTHROW_COPYABLE)
	Return a fixed-size Eigen representation of the coordinate object.
Named vectorized comparison functions
Note that these return CoordinateExpr, not bool. Unlike most arithmetic and assignment operators, scalar interoperability is provided for comparisons; expressions like if (all(point.gt(0))) ... are both ubiquitous and easy to interpret.
CoordinateExpr< N >	eq (Point< T, N > const &other) const noexcept
CoordinateExpr< N >	ne (Point< T, N > const &other) const noexcept
CoordinateExpr< N >	lt (Point< T, N > const &other) const noexcept
CoordinateExpr< N >	le (Point< T, N > const &other) const noexcept
CoordinateExpr< N >	gt (Point< T, N > const &other) const noexcept
CoordinateExpr< N >	ge (Point< T, N > const &other) const noexcept
CoordinateExpr< N >	eq (T scalar) const noexcept(Super::IS_ELEMENT_NOTHROW_COPYABLE)
CoordinateExpr< N >	ne (T scalar) const noexcept(Super::IS_ELEMENT_NOTHROW_COPYABLE)
CoordinateExpr< N >	lt (T scalar) const noexcept(Super::IS_ELEMENT_NOTHROW_COPYABLE)
CoordinateExpr< N >	le (T scalar) const noexcept(Super::IS_ELEMENT_NOTHROW_COPYABLE)
CoordinateExpr< N >	gt (T scalar) const noexcept(Super::IS_ELEMENT_NOTHROW_COPYABLE)
CoordinateExpr< N >	ge (T scalar) const noexcept(Super::IS_ELEMENT_NOTHROW_COPYABLE)

Static Public Attributes
static int const	dimensions
static int const	dimensions
static bool constexpr	IS_ELEMENT_NOTHROW_COPYABLE
static bool constexpr	IS_ELEMENT_NOTHROW_COPYABLE
static bool constexpr	IS_ELEMENT_NOTHROW_ASSIGNABLE
static bool constexpr	IS_ELEMENT_NOTHROW_ASSIGNABLE

Protected Member Functions
void	_swap (CoordinateBase &other) noexcept
void	_swap (CoordinateBase &other) noexcept

Protected Attributes
EigenVector	_vector
EigenVector	_vector

Related Symbols
(Note that these are not member symbols.)
bool	allclose (CoordinateBase< Point< T, N >, T, N > const &a, CoordinateBase< Point< T, N >, T, N > const &b, T rtol=static_cast< T >(1E-5), T atol=static_cast< T >(1E-8)) noexcept(std::is_nothrow_copy_constructible< T >::value &&std::is_nothrow_copy_assignable< T >::value)
	Floating-point comparison with tolerance.
bool	allclose (CoordinateBase< Point< T, N >, T, N > const &a, CoordinateBase< Point< T, N >, T, N > const &b, T rtol=static_cast< T >(1E-5), T atol=static_cast< T >(1E-8)) noexcept(std::is_nothrow_copy_constructible< T >::value &&std::is_nothrow_copy_assignable< T >::value)
	Floating-point comparison with tolerance.

Arithmetic operators
No scalar interoperability is provided for Point arithmetic operations.
Extent< T, N >	operator- (Point< T, N > const &other) const noexcept(Super::IS_ELEMENT_NOTHROW_COPYABLE)
	Cast this object to an Extent of the same numeric type and dimensionality.
Point< T, N >	operator+ (Extent< T, N > const &other) const noexcept(Super::IS_ELEMENT_NOTHROW_COPYABLE)
	Cast this object to an Extent of the same numeric type and dimensionality.
Point< T, N >	operator- (Extent< T, N > const &other) const noexcept(Super::IS_ELEMENT_NOTHROW_COPYABLE)
	Cast this object to an Extent of the same numeric type and dimensionality.
Point< T, N > &	operator+= (Extent< T, N > const &other) noexcept(Super::IS_ELEMENT_NOTHROW_ASSIGNABLE)
	Cast this object to an Extent of the same numeric type and dimensionality.
Point< T, N > &	operator-= (Extent< T, N > const &other) noexcept(Super::IS_ELEMENT_NOTHROW_ASSIGNABLE)
	Cast this object to an Extent of the same numeric type and dimensionality.
Extent< T, N >	asExtent () const noexcept(Super::IS_ELEMENT_NOTHROW_COPYABLE)
	Cast this object to an Extent of the same numeric type and dimensionality.
void	shift (Extent< T, N > const &offset) noexcept(Super::IS_ELEMENT_NOTHROW_COPYABLE)
	Shift the point by the given offset.
void	scale (double factor) noexcept(Super::IS_ELEMENT_NOTHROW_COPYABLE)
	Cast this object to an Extent of the same numeric type and dimensionality.
double	distanceSquared (PointBase< T, N > const &other) const noexcept(Super::IS_ELEMENT_NOTHROW_COPYABLE)
	Cast this object to an Extent of the same numeric type and dimensionality.
std::string	toString () const
	Cast this object to an Extent of the same numeric type and dimensionality.
	PointBase (T val=static_cast< T >(0)) noexcept(Super::IS_ELEMENT_NOTHROW_COPYABLE)
	Cast this object to an Extent of the same numeric type and dimensionality.
template<typename Vector>
	PointBase (Eigen::MatrixBase< Vector > const &vector)
	Cast this object to an Extent of the same numeric type and dimensionality.

Detailed Description

template<typename T, int N>
class lsst::geom::PointBase< T, N >

Definition at line 38 of file Point.h.

Member Typedef Documentation

EigenVector

typedef Eigen::Matrix<T, N, 1, Eigen::DontAlign> lsst::geom::CoordinateBase< Point< T, N >, T, N >::EigenVector

inherited

Definition at line 59 of file CoordinateBase.h.

Element

typedef T lsst::geom::CoordinateBase< Point< T, N >, T, N >::Element

inherited

Definition at line 57 of file CoordinateBase.h.

Constructor & Destructor Documentation

PointBase() [1/4]

template<typename T, int N>

lsst::geom::PointBase< T, N >::PointBase ( PointBase< T, N > const & )

default

PointBase() [2/4]

template<typename T, int N>

lsst::geom::PointBase< T, N >::PointBase ( PointBase< T, N > && )

default

~PointBase()

template<typename T, int N>

lsst::geom::PointBase< T, N >::~PointBase ( )

default

PointBase() [3/4]

template<typename T, int N>

lsst::geom::PointBase< T, N >::PointBase ( T val = static_cast<T>(0) )

inlineexplicitprotectednoexcept

Cast this object to an Extent of the same numeric type and dimensionality.

Definition at line 157 of file Point.h.

: Super(val) {}

PointBase() [4/4]

template<typename T, int N>

template<typename Vector>

lsst::geom::PointBase< T, N >::PointBase ( Eigen::MatrixBase< Vector > const & vector )

inlineexplicitprotected

Cast this object to an Extent of the same numeric type and dimensionality.

Definition at line 160 of file Point.h.

: Super(vector) {}

Member Function Documentation

_swap() [1/2]

void lsst::geom::CoordinateBase< Point< T, N >, T, N >::_swap ( CoordinateBase< Point< T, N >, T, N > & other )

inlineprotectednoexceptinherited

Definition at line 108 of file CoordinateBase.h.

{ _vector.swap(other._vector); }

_swap() [2/2]

void lsst::geom::CoordinateBase< Point< T, N >, T, N >::_swap ( CoordinateBase< Point< T, N >, T, N > & other )

inlineprotectednoexceptinherited

Definition at line 108 of file CoordinateBase.h.

{ _vector.swap(other._vector); }

asEigen() [1/2]

EigenVector const & lsst::geom::CoordinateBase< Point< T, N >, T, N >::asEigen ( ) const

inlinenoexceptinherited

Return a fixed-size Eigen representation of the coordinate object.

The fact that this returns by const reference rather than by value should not be considered part of the API; this is merely an optimization enabled by the implementation.

Definition at line 89 of file CoordinateBase.h.

{ return _vector; }

asEigen() [2/2]

EigenVector const & lsst::geom::CoordinateBase< Point< T, N >, T, N >::asEigen ( ) const

inlinenoexceptinherited

Return a fixed-size Eigen representation of the coordinate object.

The fact that this returns by const reference rather than by value should not be considered part of the API; this is merely an optimization enabled by the implementation.

Definition at line 89 of file CoordinateBase.h.

{ return _vector; }

asExtent()

template<typename T, int N>

Extent< T, N > lsst::geom::PointBase< T, N >::asExtent ( ) const

inlinenoexcept

Cast this object to an Extent of the same numeric type and dimensionality.

Definition at line 127 of file Point.h.

                                                                             {
        return Extent<T, N>(static_cast<Point<T, N> const &>(*this));
    }

coeffRef() [1/4]

T & lsst::geom::CoordinateBase< Point< T, N >, T, N >::coeffRef ( int n )

inlineinherited

Definition at line 80 of file CoordinateBase.h.

{ return _vector.coeffRef(n); }

coeffRef() [2/4]

T & lsst::geom::CoordinateBase< Point< T, N >, T, N >::coeffRef ( int n )

inlineinherited

Definition at line 80 of file CoordinateBase.h.

{ return _vector.coeffRef(n); }

coeffRef() [3/4]

T const & lsst::geom::CoordinateBase< Point< T, N >, T, N >::coeffRef ( int n ) const

inlineinherited

Definition at line 81 of file CoordinateBase.h.

{ return const_cast<EigenVector&>(_vector).coeffRef(n); }

coeffRef() [4/4]

T const & lsst::geom::CoordinateBase< Point< T, N >, T, N >::coeffRef ( int n ) const

inlineinherited

Definition at line 81 of file CoordinateBase.h.

{ return const_cast<EigenVector&>(_vector).coeffRef(n); }

distanceSquared()

template<typename T, int N>

double lsst::geom::PointBase< T, N >::distanceSquared ( PointBase< T, N > const & other ) const

inlinenoexcept

Cast this object to an Extent of the same numeric type and dimensionality.

Definition at line 138 of file Point.h.

                                                                                                          {
        // the cast to double is lame but Eigen seems to require they be the same type
        return (this->asEigen() - other.asEigen()).squaredNorm();
    }

eq() [1/2]

template<typename T, int N>

CoordinateExpr< N > lsst::geom::PointBase< T, N >::eq ( Point< T, N > const & other ) const

noexcept

Definition at line 76 of file Point.cc.

                                                                             {
    CoordinateExpr<N> r;
    for (int n = 0; n < N; ++n) r[n] = this->_vector[n] == other[n];
    return r;
}

eq() [2/2]

template<typename T, int N>

CoordinateExpr< N > lsst::geom::PointBase< T, N >::eq ( T scalar ) const

inlinenoexcept

Definition at line 81 of file Point.h.

                                                                                    {
        return this->eq(Point<T, N>(scalar));
    }

ge() [1/2]

template<typename T, int N>

CoordinateExpr< N > lsst::geom::PointBase< T, N >::ge ( Point< T, N > const & other ) const

noexcept

Definition at line 111 of file Point.cc.

                                                                             {
    CoordinateExpr<N> r;
    for (int n = 0; n < N; ++n) r[n] = this->_vector[n] >= other[n];
    return r;
}

ge() [2/2]

template<typename T, int N>

CoordinateExpr< N > lsst::geom::PointBase< T, N >::ge ( T scalar ) const

inlinenoexcept

Definition at line 96 of file Point.h.

                                                                                    {
        return this->ge(Point<T, N>(scalar));
    }

gt() [1/2]

template<typename T, int N>

CoordinateExpr< N > lsst::geom::PointBase< T, N >::gt ( Point< T, N > const & other ) const

noexcept

Definition at line 104 of file Point.cc.

                                                                             {
    CoordinateExpr<N> r;
    for (int n = 0; n < N; ++n) r[n] = this->_vector[n] > other[n];
    return r;
}

gt() [2/2]

template<typename T, int N>

CoordinateExpr< N > lsst::geom::PointBase< T, N >::gt ( T scalar ) const

inlinenoexcept

Definition at line 93 of file Point.h.

                                                                                    {
        return this->gt(Point<T, N>(scalar));
    }

le() [1/2]

template<typename T, int N>

CoordinateExpr< N > lsst::geom::PointBase< T, N >::le ( Point< T, N > const & other ) const

noexcept

Definition at line 97 of file Point.cc.

                                                                             {
    CoordinateExpr<N> r;
    for (int n = 0; n < N; ++n) r[n] = this->_vector[n] <= other[n];
    return r;
}

le() [2/2]

template<typename T, int N>

CoordinateExpr< N > lsst::geom::PointBase< T, N >::le ( T scalar ) const

inlinenoexcept

Definition at line 90 of file Point.h.

                                                                                    {
        return this->le(Point<T, N>(scalar));
    }

lt() [1/2]

template<typename T, int N>

CoordinateExpr< N > lsst::geom::PointBase< T, N >::lt ( Point< T, N > const & other ) const

noexcept

Definition at line 90 of file Point.cc.

                                                                             {
    CoordinateExpr<N> r;
    for (int n = 0; n < N; ++n) r[n] = this->_vector[n] < other[n];
    return r;
}

lt() [2/2]

template<typename T, int N>

CoordinateExpr< N > lsst::geom::PointBase< T, N >::lt ( T scalar ) const

inlinenoexcept

Definition at line 87 of file Point.h.

                                                                                    {
        return this->lt(Point<T, N>(scalar));
    }

ne() [1/2]

template<typename T, int N>

CoordinateExpr< N > lsst::geom::PointBase< T, N >::ne ( Point< T, N > const & other ) const

noexcept

Definition at line 83 of file Point.cc.

                                                                             {
    CoordinateExpr<N> r;
    for (int n = 0; n < N; ++n) r[n] = this->_vector[n] != other[n];
    return r;
}

ne() [2/2]

template<typename T, int N>

CoordinateExpr< N > lsst::geom::PointBase< T, N >::ne ( T scalar ) const

inlinenoexcept

Definition at line 84 of file Point.h.

                                                                                    {
        return this->ne(Point<T, N>(scalar));
    }

operator!=()

template<typename T, int N>

bool lsst::geom::PointBase< T, N >::operator!= ( Point< T, N > const & other ) const

inlinenoexcept

Standard inequality comparison.

Returns true iff any(this->ne(other));

Definition at line 60 of file Point.h.

{ return any(this->ne(other)); }

operator+()

template<typename T, int N>

Point< T, N > lsst::geom::PointBase< T, N >::operator+ ( Extent< T, N > const & other ) const

inlinenoexcept

Cast this object to an Extent of the same numeric type and dimensionality.

Definition at line 110 of file Point.h.

                                                                                                      {
        return Point<T, N>(this->_vector + other.asEigen());
    }

operator+=()

template<typename T, int N>

Point< T, N > & lsst::geom::PointBase< T, N >::operator+= ( Extent< T, N > const & other )

inlinenoexcept

Cast this object to an Extent of the same numeric type and dimensionality.

Definition at line 116 of file Point.h.

                                                                                                    {
        this->_vector += other.asEigen();
        return static_cast<Point<T, N> &>(*this);
    }

operator-() [1/2]

template<typename T, int N>

Point< T, N > lsst::geom::PointBase< T, N >::operator- ( Extent< T, N > const & other ) const

inlinenoexcept

Cast this object to an Extent of the same numeric type and dimensionality.

Definition at line 113 of file Point.h.

                                                                                                      {
        return Point<T, N>(this->_vector - other.asEigen());
    }

operator-() [2/2]

template<typename T, int N>

Extent< T, N > lsst::geom::PointBase< T, N >::operator- ( Point< T, N > const & other ) const

inlinenoexcept

Cast this object to an Extent of the same numeric type and dimensionality.

Definition at line 107 of file Point.h.

                                                                                                      {
        return Extent<T, N>(this->_vector - other._vector);
    }

operator-=()

template<typename T, int N>

Point< T, N > & lsst::geom::PointBase< T, N >::operator-= ( Extent< T, N > const & other )

inlinenoexcept

Cast this object to an Extent of the same numeric type and dimensionality.

Definition at line 120 of file Point.h.

                                                                                                    {
        this->_vector -= other.asEigen();
        return static_cast<Point<T, N> &>(*this);
    }

operator=() [1/2]

template<typename T, int N>

PointBase & lsst::geom::PointBase< T, N >::operator= ( PointBase< T, N > && )

default

operator=() [2/2]

template<typename T, int N>

PointBase & lsst::geom::PointBase< T, N >::operator= ( PointBase< T, N > const & )

default

operator==()

template<typename T, int N>

bool lsst::geom::PointBase< T, N >::operator== ( Point< T, N > const & other ) const

inlinenoexcept

Standard equality comparison.

Returns true iff all(this->eq(other));

Definition at line 53 of file Point.h.

{ return all(this->eq(other)); }

operator[]() [1/4]

T & lsst::geom::CoordinateBase< Point< T, N >, T, N >::operator[] ( int n )

inlineinherited

Definition at line 78 of file CoordinateBase.h.

{ return _vector[n]; }

operator[]() [2/4]

T & lsst::geom::CoordinateBase< Point< T, N >, T, N >::operator[] ( int n )

inlineinherited

Definition at line 78 of file CoordinateBase.h.

{ return _vector[n]; }

operator[]() [3/4]

T const & lsst::geom::CoordinateBase< Point< T, N >, T, N >::operator[] ( int n ) const

inlineinherited

Definition at line 79 of file CoordinateBase.h.

{ return const_cast<EigenVector&>(_vector)[n]; }

operator[]() [4/4]

T const & lsst::geom::CoordinateBase< Point< T, N >, T, N >::operator[] ( int n ) const

inlineinherited

Definition at line 79 of file CoordinateBase.h.

{ return const_cast<EigenVector&>(_vector)[n]; }

scale()

template<typename T, int N>

void lsst::geom::PointBase< T, N >::scale ( double factor )

inlinenoexcept

Cast this object to an Extent of the same numeric type and dimensionality.

Definition at line 136 of file Point.h.

{ this->_vector *= factor; }

shift()

template<typename T, int N>

void lsst::geom::PointBase< T, N >::shift ( Extent< T, N > const & offset )

inlinenoexcept

Shift the point by the given offset.

Definition at line 132 of file Point.h.

                                                                                      {
        this->_vector += offset.asEigen();
    }

toString()

template<typename T, int N>

std::string lsst::geom::PointBase< T, N >::toString ( ) const

inline

Cast this object to an Extent of the same numeric type and dimensionality.

Definition at line 143 of file Point.h.

                               {
        std::stringstream out;
        out << "Point(";
        for (size_t i = 0; i < N; ++i) {
            if (i != 0) {
                out << ",";
            }
            out << (*this)[i];
        }
        out << ")";
        return out.str();
    }

Friends And Related Symbol Documentation

allclose() [1/2]

bool allclose ( CoordinateBase< Point< T, N >, T, N > const & a, CoordinateBase< Point< T, N >, T, N > const & b, T rtol = static_cast<T>(1E-5), T atol = static_cast<T>(1E-8) )

related

Floating-point comparison with tolerance.

Interface, naming, and default tolerances matches Numpy.

Definition at line 120 of file CoordinateBase.cc.

                                                                                {
    Eigen::Array<T, N, 1> diff = (a.asEigen().array() - b.asEigen().array()).abs();
    Eigen::Array<T, N, 1> rhs = (0.5 * (a.asEigen().array() + b.asEigen().array())).abs();
    rhs *= rtol;
    rhs += atol;
    return (diff <= rhs).all();
}

allclose() [2/2]

bool allclose ( CoordinateBase< Point< T, N >, T, N > const & a, CoordinateBase< Point< T, N >, T, N > const & b, T rtol = static_cast<T>(1E-5), T atol = static_cast<T>(1E-8) )

related

Floating-point comparison with tolerance.

Interface, naming, and default tolerances matches Numpy.

Definition at line 120 of file CoordinateBase.cc.

                                                                                {
    Eigen::Array<T, N, 1> diff = (a.asEigen().array() - b.asEigen().array()).abs();
    Eigen::Array<T, N, 1> rhs = (0.5 * (a.asEigen().array() + b.asEigen().array())).abs();
    rhs *= rtol;
    rhs += atol;
    return (diff <= rhs).all();
}

Member Data Documentation

_vector [1/2]

EigenVector lsst::geom::CoordinateBase< Point< T, N >, T, N >::_vector

protectedinherited

Definition at line 109 of file CoordinateBase.h.

_vector [2/2]

EigenVector lsst::geom::CoordinateBase< Point< T, N >, T, N >::_vector

protectedinherited

Definition at line 109 of file CoordinateBase.h.

dimensions [1/2]

int const lsst::geom::CoordinateBase< Point< T, N >, T, N >::dimensions

staticinherited

Definition at line 58 of file CoordinateBase.h.

dimensions [2/2]

int const lsst::geom::CoordinateBase< Point< T, N >, T, N >::dimensions

staticinherited

Definition at line 58 of file CoordinateBase.h.

IS_ELEMENT_NOTHROW_ASSIGNABLE [1/2]

bool constexpr lsst::geom::CoordinateBase< Point< T, N >, T, N >::IS_ELEMENT_NOTHROW_ASSIGNABLE

staticconstexprinherited

Definition at line 61 of file CoordinateBase.h.

IS_ELEMENT_NOTHROW_ASSIGNABLE [2/2]

bool constexpr lsst::geom::CoordinateBase< Point< T, N >, T, N >::IS_ELEMENT_NOTHROW_ASSIGNABLE

staticconstexprinherited

Definition at line 61 of file CoordinateBase.h.

IS_ELEMENT_NOTHROW_COPYABLE [1/2]

bool constexpr lsst::geom::CoordinateBase< Point< T, N >, T, N >::IS_ELEMENT_NOTHROW_COPYABLE

staticconstexprinherited

Definition at line 60 of file CoordinateBase.h.

IS_ELEMENT_NOTHROW_COPYABLE [2/2]

bool constexpr lsst::geom::CoordinateBase< Point< T, N >, T, N >::IS_ELEMENT_NOTHROW_COPYABLE

staticconstexprinherited

Definition at line 60 of file CoordinateBase.h.

---

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

• /j/snowflake/release/lsstsw/stack/lsst-scipipe-12.0.0/Linux/geom/gac66b60396+966efe6077/include/lsst/geom/Point.h
• /j/snowflake/release/lsstsw/stack/lsst-scipipe-12.0.0/Linux/geom/gac66b60396+966efe6077/src/Point.cc