Represents a 3-d ray. More...
#include <vgl_ray_3d.h>
Public Member Functions | |
| vgl_ray_3d () | |
| Default constructor - does not initialise!. | |
| vgl_ray_3d (vgl_ray_3d< Type > const &l) | |
| Copy constructor. | |
| vgl_ray_3d (vgl_point_3d< Type > const &p0, vgl_vector_3d< Type > const &direction) | |
| Construct from orign and direction. | |
| vgl_ray_3d (vgl_point_3d< Type > const &origin, vgl_point_3d< Type > const &p) | |
| Construct from two points. | |
| vgl_ray_3d (vgl_line_segment_3d< Type > const &ls) | |
| Construct from a line segment, direction from 1 to 2. | |
| vgl_ray_3d (vgl_line_3d_2_points< Type > const &ls) | |
| Construct from a line 2 points direction from 1 to 2. | |
| ~vgl_ray_3d () | |
| Destructor. | |
| vgl_point_3d< Type > | origin () const |
| Accessors. | |
| vgl_vector_3d< Type > | direction () const |
| bool | operator== (vgl_ray_3d< Type > const &r) const |
| The comparison operator. | |
| bool | operator!= (vgl_ray_3d< Type >const &other) const |
| void | set (vgl_point_3d< Type > const &p0, vgl_vector_3d< Type > const &direction) |
| Assignment. | |
| bool | contains (const vgl_point_3d< Type > &p) const |
| Check if point p is on the ray and lies in the positive ray direction. | |
Private Attributes | |
| vgl_point_3d< Type > | p0_ |
| The ray origin. | |
| vgl_vector_3d< Type > | t_ |
| ray direction vector | |
Related Functions | |
(Note that these are not member functions.) | |
| template<class T > | |
| bool | vgl_intersection (vgl_ray_3d< T > const &r1, vgl_ray_3d< T > const &r2, vgl_point_3d< T > &i_pnt) |
| Return the intersection point of rays. Returns false if rays are parallel or intersect outside of positive ray domain. | |
| template<class T > | |
| bool | vgl_intersection (vgl_box_3d< T > const &box, vgl_ray_3d< T > const &ray, vgl_point_3d< T > &p0, vgl_point_3d< T > &p1) |
| Return true if ray intersects box. If so, compute intersection points. | |
| template<class Type > | |
| vcl_ostream & | operator<< (vcl_ostream &s, const vgl_ray_3d< Type > &p) |
| Write to stream. | |
| template<class Type > | |
| vcl_istream & | operator>> (vcl_istream &is, vgl_ray_3d< Type > &p) |
| Read from stream. | |
Represents a 3-d ray.
The ray origin is p0 and the direction is t_.
Definition at line 27 of file vgl_ray_3d.h.
| vgl_ray_3d< Type >::vgl_ray_3d | ( | ) | [inline] |
Default constructor - does not initialise!.
Definition at line 33 of file vgl_ray_3d.h.
| vgl_ray_3d< Type >::vgl_ray_3d | ( | vgl_ray_3d< Type > const & | l | ) | [inline] |
Copy constructor.
Definition at line 36 of file vgl_ray_3d.h.
| vgl_ray_3d< Type >::vgl_ray_3d | ( | vgl_point_3d< Type > const & | p0, |
| vgl_vector_3d< Type > const & | direction | ||
| ) | [inline] |
Construct from orign and direction.
Definition at line 40 of file vgl_ray_3d.h.
| vgl_ray_3d< Type >::vgl_ray_3d | ( | vgl_point_3d< Type > const & | origin, |
| vgl_point_3d< Type > const & | p | ||
| ) | [inline] |
Construct from two points.
Definition at line 45 of file vgl_ray_3d.h.
| vgl_ray_3d< Type >::vgl_ray_3d | ( | vgl_line_segment_3d< Type > const & | ls | ) | [inline] |
Construct from a line segment, direction from 1 to 2.
Definition at line 49 of file vgl_ray_3d.h.
| vgl_ray_3d< Type >::vgl_ray_3d | ( | vgl_line_3d_2_points< Type > const & | ls | ) | [inline] |
Construct from a line 2 points direction from 1 to 2.
Definition at line 56 of file vgl_ray_3d.h.
| vgl_ray_3d< Type >::~vgl_ray_3d | ( | ) | [inline] |
Destructor.
Definition at line 63 of file vgl_ray_3d.h.
| bool vgl_ray_3d< Type >::contains | ( | const vgl_point_3d< Type > & | p | ) | const |
Check if point p is on the ray and lies in the positive ray direction.
Definition at line 13 of file vgl_ray_3d.txx.
| vgl_vector_3d<Type> vgl_ray_3d< Type >::direction | ( | ) | const [inline] |
Definition at line 68 of file vgl_ray_3d.h.
| bool vgl_ray_3d< Type >::operator!= | ( | vgl_ray_3d< Type >const & | other | ) | const [inline] |
Definition at line 75 of file vgl_ray_3d.h.
| bool vgl_ray_3d< Type >::operator== | ( | vgl_ray_3d< Type > const & | r | ) | const [inline] |
The comparison operator.
Definition at line 72 of file vgl_ray_3d.h.
| vgl_point_3d<Type> vgl_ray_3d< Type >::origin | ( | ) | const [inline] |
Accessors.
Definition at line 66 of file vgl_ray_3d.h.
| void vgl_ray_3d< Type >::set | ( | vgl_point_3d< Type > const & | p0, |
| vgl_vector_3d< Type > const & | direction | ||
| ) | [inline] |
Assignment.
Definition at line 79 of file vgl_ray_3d.h.
| vcl_ostream & operator<< | ( | vcl_ostream & | s, |
| const vgl_ray_3d< Type > & | p | ||
| ) | [related] |
Write to stream.
| vcl_istream & operator>> | ( | vcl_istream & | is, |
| vgl_ray_3d< Type > & | p | ||
| ) | [related] |
Read from stream.
| bool vgl_intersection | ( | vgl_ray_3d< T > const & | r1, |
| vgl_ray_3d< T > const & | r2, | ||
| vgl_point_3d< T > & | i_pnt | ||
| ) | [related] |
Return the intersection point of rays. Returns false if rays are parallel or intersect outside of positive ray domain.
| bool vgl_intersection | ( | vgl_box_3d< T > const & | box, |
| vgl_ray_3d< T > const & | ray, | ||
| vgl_point_3d< T > & | p0, | ||
| vgl_point_3d< T > & | p1 | ||
| ) | [related] |
Return true if ray intersects box. If so, compute intersection points.
If ray origin is inside box then p0==p1
Definition at line 167 of file vgl_intersection.txx.
vgl_point_3d<Type> vgl_ray_3d< Type >::p0_ [private] |
The ray origin.
Definition at line 29 of file vgl_ray_3d.h.
vgl_vector_3d<Type> vgl_ray_3d< Type >::t_ [private] |
ray direction vector
Definition at line 30 of file vgl_ray_3d.h.
1.7.5.1