lass::prim::Point2DH< T > Struct Template Reference

homogenous 2D Point More...

#include <point_2dh.h>

Inheritance diagram for lass::prim::Point2DH< T >:

Public Member Functions
TConstReference	at (signed iIndex) const
	Wrap index around range.
TReference	at (signed iIndex)
	Wrap index around range.
const Point2DH< T > &	operator+ () const
	A weird way to get back the same object.
bool	isZero () const
	Return true if point is origin (0, 0, z).
bool	isInfinite () const
	Return true if point is at infinite distance of origin.
bool	isNaN () const
	Return true if at least one of the components is NaN.
bool	isValid () const
	Return true if point is valid.
const TValue	weight () const
	Return weight of point.
const Point2D< T >	affine () const
	Return rescaled version of point with weight = 1.
void	homogenize ()
	Rescale point so that weight is 1.

Detailed Description

template<typename T>
struct lass::prim::Point2DH< T >

homogenous 2D Point

Author

BdG

Date

2003

Definition at line 62 of file point_2dh.h.

Member Function Documentation

isZero()

template<typename T>

bool lass::prim::Point2DH< T >::isZero

(

)

const

Return true if point is origin (0, 0, z).

z may be 0 but doesn't has to be.

Definition at line 212 of file point_2dh.inl.

References isZero().

Referenced by isZero().

isInfinite()

template<typename T>

bool lass::prim::Point2DH< T >::isInfinite

(

)

const

Return true if point is at infinite distance of origin.

test if z == 0.

Definition at line 232 of file point_2dh.inl.

References isInfinite().

Referenced by isInfinite().

isValid()

template<typename T>

bool lass::prim::Point2DH< T >::isValid

(

)

const

Return true if point is valid.

test if point != (0, 0, 0)

Definition at line 242 of file point_2dh.inl.

References isValid().

Referenced by isValid().

weight()

template<typename T>

const Point2DH< T >::TValue lass::prim::Point2DH< T >::weight ( ) const

inline

Return weight of point.

weight = z.

Definition at line 252 of file point_2dh.inl.

References weight().

Referenced by weight().

affine()

template<typename T>

const Point2D< T > lass::prim::Point2DH< T >::affine ( ) const

inline

Return rescaled version of point with weight = 1.

Does not influence original poitn.

Definition at line 263 of file point_2dh.inl.

References affine(), and homogenize().

Referenced by affine(), lass::prim::Line2D< T, EquationPolicy, NormalizingPolicy >::intersect(), and lass::prim::Triangle2D< U >::partialVoronoiArea().

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

• point_2dh.h
• point_2dh.inl