Main Page | Class Hierarchy | Alphabetical List | Class List | Directories | File List | Class Members | File Members

vifa_imp_line< Type > Class Template Reference

#include <vifa_imp_line.h>

Inheritance diagram for vifa_imp_line< Type >:

Inheritance graph
[legend]
List of all members.

Detailed Description

template<class Type>
class vifa_imp_line< Type >

Definition at line 22 of file vifa_imp_line.h.

Public Member Functions

 vifa_imp_line (void)
 Default constructor - does not initialize.
 vifa_imp_line (vifa_imp_line const &l)
 vifa_imp_line (vgl_point_2d< Type > const &p1, vgl_point_2d< Type > const &p2)
 Line segment constructor.
 vifa_imp_line (vgl_vector_2d< Type > d, vgl_point_2d< Type > m)
 Direction/midpoint constructor.
 vifa_imp_line (Type a, Type b, Type c)
 Implicit coefficient constructor.
bool near_zero (double x) const
 Test if a value is near 0.0.
double get_dir_x (void)
 Compute unit projection along X-axis.
double get_dir_y (void)
 Compute unit projection along Y-axis.
double length (void)
 Compute length of line segment.
void set_points (vgl_point_2d< Type > const &p1, vgl_point_2d< Type > const &p2)
 Assignment.
void project_2d_pt (const Type &p, const Type &q, Type &x, Type &y) const
 Project a 2D point onto the line.
vgl_point_2d< Type > project_2d_pt (const vgl_point_2d< Type > &t) const
double find_t (const vgl_point_2d< Type > &p)
 Find parametric t-value for a given point relative to line segment.
vgl_point_2d< Type > find_at_t (double t)
 Find point on line (defined by line segment) for a parametric t-value.
void ref ()
void unref ()
int get_references () const
bool is_referenced () const
vgl_point_2d< Type > point1 () const
vgl_point_2d< Type > point2 () const
bool operator== (vgl_line_segment_2d< Type > const &l) const
bool operator!= (vgl_line_segment_2d< Type >const &other) const
Type a () const
Type b () const
Type c () const
vgl_vector_2d< double > direction () const
vgl_vector_2d< double > normal () const
double slope_radians () const
double slope_degrees () const
void set (vgl_point_2d< Type > const &p1, vgl_point_2d< Type > const &p2)
double vgl_distance (vgl_line_segment_2d< T > const &l, vgl_point_2d< T > const &p)
vcl_ostream & operator<< (vcl_ostream &s, const vgl_line_segment_2d< Type > &p)
vcl_istream & operator>> (vcl_istream &is, vgl_line_segment_2d< Type > &p)
bool vgl_lineseg_test_line (vgl_line_2d< T > const &l1, vgl_line_segment_2d< T > const &l2)
bool vgl_lineseg_test_lineseg (vgl_line_segment_2d< T > const &l1, vgl_line_segment_2d< T > const &l2)

Protected Attributes

double dx_
 X-axis span of line segment.
double dy_
 Y-axis span of line segment.

Constructor & Destructor Documentation

template<class Type>
vifa_imp_line< Type >::vifa_imp_line (  void   )  [inline]
 

Default constructor - does not initialize.

Definition at line 33 of file vifa_imp_line.h.

template<class Type>
vifa_imp_line< Type >::vifa_imp_line (  vifa_imp_line< Type > const &  l  )  [inline]
 

Definition at line 36 of file vifa_imp_line.h.

template<class Type>
vifa_imp_line< Type >::vifa_imp_line (  vgl_point_2d< Type > const &  p1,
vgl_point_2d< Type > const &  p2
) 
 

Line segment constructor.

Definition at line 12 of file vifa_imp_line.txx.

template<class Type>
vifa_imp_line< Type >::vifa_imp_line (  vgl_vector_2d< Type >  d,
vgl_point_2d< Type >  m
) 
 

Direction/midpoint constructor.

Definition at line 21 of file vifa_imp_line.txx.

template<class Type>
vifa_imp_line< Type >::vifa_imp_line (  Type  a,
Type  b,
Type  c
) 
 

Implicit coefficient constructor.

Definition at line 33 of file vifa_imp_line.txx.

Member Function Documentation

template<class Type>
vgl_point_2d< Type > vifa_imp_line< Type >::find_at_t (  double  t  ) 
 

Find point on line (defined by line segment) for a parametric t-value.

Definition at line 161 of file vifa_imp_line.txx.

template<class Type>
double vifa_imp_line< Type >::find_t (  const vgl_point_2d< Type > &  p  ) 
 

Find parametric t-value for a given point relative to line segment.

Definition at line 141 of file vifa_imp_line.txx.

template<class Type>
double vifa_imp_line< Type >::get_dir_x (  void   ) 
 

Compute unit projection along X-axis.

Definition at line 52 of file vifa_imp_line.txx.

template<class Type>
double vifa_imp_line< Type >::get_dir_y (  void   ) 
 

Compute unit projection along Y-axis.

Definition at line 73 of file vifa_imp_line.txx.

template<class Type>
double vifa_imp_line< Type >::length (  void   ) 
 

Compute length of line segment.

Definition at line 64 of file vifa_imp_line.txx.

template<class Type>
bool vifa_imp_line< Type >::near_zero (  double  x  )  const [inline]
 

Test if a value is near 0.0.

Definition at line 51 of file vifa_imp_line.h.

template<class Type>
vgl_point_2d< Type > vifa_imp_line< Type >::project_2d_pt (  const vgl_point_2d< Type > &  t  )  const
 

Definition at line 126 of file vifa_imp_line.txx.

template<class Type>
void vifa_imp_line< Type >::project_2d_pt (  const Type &  p,
const Type &  q,
Type &  x,
Type &  y
)  const
 

Project a 2D point onto the line.

Definition at line 97 of file vifa_imp_line.txx.

template<class Type>
void vifa_imp_line< Type >::set_points (  vgl_point_2d< Type > const &  p1,
vgl_point_2d< Type > const &  p2
) 
 

Assignment.

Definition at line 84 of file vifa_imp_line.txx.

Member Data Documentation

template<class Type>
double vifa_imp_line< Type >::dx_ [protected]
 

X-axis span of line segment.

Definition at line 26 of file vifa_imp_line.h.

template<class Type>
double vifa_imp_line< Type >::dy_ [protected]
 

Y-axis span of line segment.

Definition at line 29 of file vifa_imp_line.h.

The documentation for this class was generated from the following files:
Generated on Thu Jan 10 14:47:32 2008 for contrib/gel/vifa by  doxygen 1.4.4