core/vgl/vgl_line_3d_2_points.h File Reference

non-homogeneous 3D line, represented by 2 points. More...

#include <vcl_iosfwd.h>
#include <vcl_cassert.h>
#include <vgl/vgl_point_3d.h>
#include <vgl/vgl_vector_3d.h>

Go to the source code of this file.

Classes
class	vgl_line_3d_2_points< Type >
	A class to hold a non-homogeneous representation of a 3D line. More...
Defines
#define	l   vgl_line_3d_2_points<Type>
#define	VGL_LINE_3D_2_POINTS_INSTANTIATE(T)   extern "please include vgl/vgl_line_3d_2_points.txx first"
Functions
template<class Type >
bool	is_ideal (l const &, Type=(Type) 0)
	Return true iff line is at infinity (which is always false).
template<class Type >
bool	collinear (l const &l1, vgl_point_3d< Type > const &p)
	Does a line pass through a point, i.e., are the point and the line collinear?.
template<class Type >
bool	coplanar (l const &l1, l const &l2)
	Are two lines coplanar, i.e., do they either intersect or are parallel?.
template<class Type >
bool	concurrent (l const &l1, l const &l2)
	Are two lines concurrent, i.e., do they intersect in a finite point?.
template<class Type >
bool	coplanar (l const &l1, vgl_point_3d< Type > const &p1, vgl_point_3d< Type > const &p2)
	Are two points coplanar with a line?.
template<class Type >
bool	coplanar (l const &l1, l const &l2, l const &l3)
	Are three lines coplanar, i.e., are they in a common plane?.
template<class Type >
bool	concurrent (l const &l1, l const &l2, l const &l3)
	Are three lines concurrent, i.e., do they pass through a common point?.
template<class Type >
vcl_ostream &	operator<< (vcl_ostream &s, l const &)
	Write to stream (verbose).
template<class Type >
vcl_istream &	operator>> (vcl_istream &is, l &)
	Read parameters from stream.

---

Detailed Description

non-homogeneous 3D line, represented by 2 points.

Author:

Peter Vanroose

    Modifications
     Gamze Tunali    26 Jan 2007: Deprecated intersection(). Moved into vgl_intersection.
     Peter Vanroose  30 Mar 2007: Commented out deprecated intersection() functions.
   

Definition in file vgl_line_3d_2_points.h.

---

Define Documentation

#define l   vgl_line_3d_2_points<Type>

Definition at line 81 of file vgl_line_3d_2_points.h.

#define VGL_LINE_3D_2_POINTS_INSTANTIATE

(

T

)

extern "please include vgl/vgl_line_3d_2_points.txx first"

Definition at line 172 of file vgl_line_3d_2_points.h.

---

Function Documentation

template<class Type >

bool collinear	(	l const &	l1,
		vgl_point_3d< Type > const &	p
	)		[inline]

Does a line pass through a point, i.e., are the point and the line collinear?.

Definition at line 92 of file vgl_line_3d_2_points.h.

template<class Type >

bool concurrent	(	l const &	l1,
		l const &	l2
	)		[inline]

Are two lines concurrent, i.e., do they intersect in a finite point?.

Definition at line 106 of file vgl_line_3d_2_points.h.

template<class Type >

bool concurrent	(	l const &	l1,
		l const &	l2,
		l const &	l3
	)		[inline]

Are three lines concurrent, i.e., do they pass through a common point?.

Definition at line 150 of file vgl_line_3d_2_points.h.

template<class Type >

bool coplanar	(	l const &	l1,
		l const &	l2
	)		[inline]

Are two lines coplanar, i.e., do they either intersect or are parallel?.

Definition at line 100 of file vgl_line_3d_2_points.h.

template<class Type >

bool coplanar	(	l const &	l1,
		vgl_point_3d< Type > const &	p1,
		vgl_point_3d< Type > const &	p2
	)		[inline]

Are two points coplanar with a line?.

Definition at line 115 of file vgl_line_3d_2_points.h.

template<class Type >

bool coplanar	(	l const &	l1,
		l const &	l2,
		l const &	l3
	)		[inline]

Are three lines coplanar, i.e., are they in a common plane?.

Definition at line 121 of file vgl_line_3d_2_points.h.

template<class Type >

bool is_ideal	(	l const &	,
		Type	= (Type)0
	)		[inline]

Return true iff line is at infinity (which is always false).

Definition at line 86 of file vgl_line_3d_2_points.h.

template<class Type >

vcl_ostream& operator<<	(	vcl_ostream &	s,
		l const &
	)

Write to stream (verbose).

template<class Type >

vcl_istream& operator>>	(	vcl_istream &	is,
		l &
	)

Read parameters from stream.