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vgl_distance.h File Reference

Detailed Description

Set of distance functions.

Author:
fsm
Note that these functions return double, not the template parameter Type, since e.g. the distance between two vgl_point_2d<int> is not always an int, but even the squared distance between such a point and a line is not integer.

    Modifications
      2 July 2001 Peter Vanroose added vgl_distance(point,line) and (point,plane)
      2 July 2001 Peter Vanroose inlined 4 functions and made return types double
      2 Jan. 2003 Peter Vanroose corrected functions returning negative distance
      5 June 2003 Peter Vanroose added vgl_distance(line_3d,line_3d)
     11 June 2003 Peter Vanroose added vgl_distance(line_3d,point_3d)
     14 Nov. 2003 Peter Vanroose made all functions templated
     25 Sept 2004 Peter Vanroose added 3D vgl_distance_to_linesegment()
     25 Sept 2004 Peter Vanroose added 3D vgl_distance_to_*_polygon()

Definition in file vgl_distance.h.

#include <vgl/vgl_fwd.h>

Go to the source code of this file.

Functions

template<class T>
double vgl_distance2_to_linesegment (T x1, T y1, T x2, T y2, T x, T y)
 Squared distance between point (x,y) and closest point on line segment (x1,y1)-(x2,y2).
template<class T>
double vgl_distance_to_linesegment (T x1, T y1, T x2, T y2, T x, T y)
 Distance between point (x,y) and closest point on line segment (x1,y1)-(x2,y2).
template<class T>
double vgl_distance2_to_linesegment (T x1, T y1, T z1, T x2, T y2, T z2, T x, T y, T z)
 Squared distance between point (x,y,z) and closest point on line segment (x1,y1,z1)-(x2,y2,z2).
template<class T>
double vgl_distance_to_linesegment (T x1, T y1, T z1, T x2, T y2, T z2, T x, T y, T z)
 Distance between point (x,y,z) and closest point on line segment (x1,y1,z1)-(x2,y2,z2).
template<class T>
double vgl_distance_to_non_closed_polygon (T const px[], T const py[], unsigned int n, T x, T y)
 Distance between point (x,y) and closest point on open polygon (px[i],py[i]).
template<class T>
double vgl_distance_to_non_closed_polygon (T const px[], T const py[], T const pz[], unsigned int n, T x, T y, T z)
 Distance between point (x,y,z) and closest point on open polygon (px[i],py[i],pz[i]).
template<class T>
double vgl_distance_to_closed_polygon (T const px[], T const py[], unsigned int n, T x, T y)
 Distance between point (x,y) and closest point on closed polygon (px[i],py[i]).
template<class T>
double vgl_distance_to_closed_polygon (T const px[], T const py[], T const pz[], unsigned int n, T x, T y, T z)
 Distance between point (x,y,z) and closest point on closed polygon (px[i],py[i]),pz[i].
template<class T>
double vgl_distance (vgl_point_2d< T > const &p, vgl_line_2d< T > const &l)
template<class T>
double vgl_distance (vgl_homg_point_2d< T > const &p, vgl_homg_line_2d< T > const &l)
template<class T>
double vgl_distance (vgl_point_3d< T > const &p, vgl_plane_3d< T > const &l)
template<class T>
double vgl_distance (vgl_homg_point_3d< T > const &p, vgl_homg_plane_3d< T > const &l)
template<class T>
double vgl_distance (vgl_point_2d< T > const &point, vgl_polygon< T > const &poly, bool closed=true)
template<class T>
double vgl_distance (vgl_homg_line_3d_2_points< T > const &line1, vgl_homg_line_3d_2_points< T > const &line2)
 Return the perpendicular distance between two lines in 3D.
template<class T>
double vgl_distance (vgl_homg_line_3d_2_points< T > const &l, vgl_homg_point_3d< T > const &p)
template<class T>
double vgl_distance (vgl_homg_point_3d< T > const &p, vgl_homg_line_3d_2_points< T > const &l)
template<class T>
double vgl_distance (vgl_line_3d_2_points< T > const &l, vgl_point_3d< T > const &p)
template<class T>
double vgl_distance (vgl_point_3d< T > const &p, vgl_line_3d_2_points< T > const &l)
template<class T>
double vgl_distance (vgl_point_2d< T > const &p, vgl_line_segment_2d< T > const &l)
template<class T>
double vgl_distance (vgl_point_3d< T > const &p, vgl_line_segment_3d< T > const &l)

Function Documentation

template<class T>
double vgl_distance (  vgl_point_3d< T > const &  p,
vgl_line_segment_3d< T > const &  l
)  [inline]
 

Definition at line 232 of file vgl_distance.h.

template<class T>
double vgl_distance (  vgl_point_2d< T > const &  p,
vgl_line_segment_2d< T > const &  l
)  [inline]
 

Definition at line 219 of file vgl_distance.h.

template<class T>
double vgl_distance (  vgl_point_3d< T > const &  p,
vgl_line_3d_2_points< T > const &  l
)  [inline]
 

Definition at line 206 of file vgl_distance.h.

template<class T>
double vgl_distance (  vgl_line_3d_2_points< T > const &  l,
vgl_point_3d< T > const &  p
) 
 

Definition at line 301 of file vgl_distance.txx.

template<class T>
double vgl_distance (  vgl_homg_point_3d< T > const &  p,
vgl_homg_line_3d_2_points< T > const &  l
)  [inline]
 

Definition at line 198 of file vgl_distance.h.

template<class T>
double vgl_distance (  vgl_homg_line_3d_2_points< T > const &  l,
vgl_homg_point_3d< T > const &  p
) 
 

Definition at line 293 of file vgl_distance.txx.

template<class T>
double vgl_distance (  vgl_homg_line_3d_2_points< T > const &  line1,
vgl_homg_line_3d_2_points< T > const &  line2
) 
 

Return the perpendicular distance between two lines in 3D.

See vgl_closest_point.h for more information.

Definition at line 280 of file vgl_distance.txx.

template<class T>
double vgl_distance (  vgl_point_2d< T > const &  point,
vgl_polygon< T > const &  poly,
bool  closed = true
)  [inline]
 

Definition at line 182 of file vgl_distance.h.

template<class T>
double vgl_distance (  vgl_homg_point_3d< T > const &  p,
vgl_homg_plane_3d< T > const &  l
)  [inline]
 

Definition at line 168 of file vgl_distance.h.

template<class T>
double vgl_distance (  vgl_point_3d< T > const &  p,
vgl_plane_3d< T > const &  l
)  [inline]
 

Definition at line 158 of file vgl_distance.h.

template<class T>
double vgl_distance (  vgl_homg_point_2d< T > const &  p,
vgl_homg_line_2d< T > const &  l
)  [inline]
 

Definition at line 148 of file vgl_distance.h.

template<class T>
double vgl_distance (  vgl_point_2d< T > const &  p,
vgl_line_2d< T > const &  l
)  [inline]
 

Definition at line 138 of file vgl_distance.h.

template<class T>
double vgl_distance2_to_linesegment (  T  x1,
T  y1,
T  z1,
T  x2,
T  y2,
T  z2,
T  x,
T  y,
T  z
) 
 

Squared distance between point (x,y,z) and closest point on line segment (x1,y1,z1)-(x2,y2,z2).

Definition at line 74 of file vgl_distance.txx.

template<class T>
double vgl_distance2_to_linesegment (  T  x1,
T  y1,
T  x2,
T  y2,
T  x,
T  y
) 
 

Squared distance between point (x,y) and closest point on line segment (x1,y1)-(x2,y2).

Definition at line 39 of file vgl_distance.txx.

template<class T>
double vgl_distance_to_closed_polygon (  T const   px[],
T const   py[],
T const   pz[],
unsigned int  n,
T  x,
T  y,
T  z
) 
 

Distance between point (x,y,z) and closest point on closed polygon (px[i],py[i]),pz[i].

Definition at line 153 of file vgl_distance.txx.

template<class T>
double vgl_distance_to_closed_polygon (  T const   px[],
T const   py[],
unsigned int  n,
T  x,
T  y
) 
 

Distance between point (x,y) and closest point on closed polygon (px[i],py[i]).

template<class T>
double vgl_distance_to_linesegment (  T  x1,
T  y1,
T  z1,
T  x2,
T  y2,
T  z2,
T  x,
T  y,
T  z
) 
 

Distance between point (x,y,z) and closest point on line segment (x1,y1,z1)-(x2,y2,z2).

Definition at line 66 of file vgl_distance.txx.

template<class T>
double vgl_distance_to_linesegment (  T  x1,
T  y1,
T  x2,
T  y2,
T  x,
T  y
) 
 

Distance between point (x,y) and closest point on line segment (x1,y1)-(x2,y2).

Definition at line 31 of file vgl_distance.txx.

template<class T>
double vgl_distance_to_non_closed_polygon (  T const   px[],
T const   py[],
T const   pz[],
unsigned int  n,
T  x,
T  y,
T  z
) 
 

Distance between point (x,y,z) and closest point on open polygon (px[i],py[i],pz[i]).

Definition at line 138 of file vgl_distance.txx.

template<class T>
double vgl_distance_to_non_closed_polygon (  T const   px[],
T const   py[],
unsigned int  n,
T  x,
T  y
) 
 

Distance between point (x,y) and closest point on open polygon (px[i],py[i]).

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