RayS3< FT > Class Template Reference

#include <RayS3.h>

Public Member Functions
	RayS3 ()
	RayS3 (const PointS3< FT > &sp, const PointS3< FT > &secondp)
	RayS3 (const PointS3< FT > &sp, const DirectionS3< FT > &d)
bool	operator== (const RayS3< FT > &r) const
bool	operator!= (const RayS3< FT > &r) const
PointS3< FT >	start () const
PointS3< FT >	source () const
PointS3< FT >	second_point () const
PointS3< FT >	point (int i) const
DirectionS3< FT >	direction () const
LineS3< FT >	supporting_line () const
RayS3	opposite () const
RayS3	transform (const Aff_transformationS3< FT > &t) const
bool	is_degenerate () const
bool	has_on (const PointS3< FT > &p) const
bool	collinear_has_on (const PointS3< FT > &p) const

Public Attributes
PointS3< FT >	e0
PointS3< FT >	e1

Detailed Description

template<class FT>
class RayS3< FT >

Definition at line 59 of file RayS3.h.

Constructor & Destructor Documentation

RayS3 ( )

inline

Definition at line 62 of file RayS3.h.

{}

RayS3	(	const PointS3< FT > &	sp,
		const PointS3< FT > &	secondp
	)

Definition at line 91 of file RayS3.h.

{
  e0 = sp;
  e1 = secondp;
}

RayS3	(	const PointS3< FT > &	sp,
		const DirectionS3< FT > &	d
	)

Definition at line 99 of file RayS3.h.

References DirectionS3< FT >::vector().

{
  e0 = sp;
  e1 = sp + d.vector();
}

Here is the call graph for this function:

Member Function Documentation

bool collinear_has_on ( const PointS3< FT > &  p ) const

inline

Definition at line 200 of file RayS3.h.

References CGAL_kernel_exactness_precondition, collinear(), compare_x(), compare_y(), compare_z(), and EQUAL.

{
  CGAL_kernel_exactness_precondition( collinear(source(), p, second_point()) );

  Comparison_result cx = compare_x(source(), second_point());
  if (cx != EQUAL)
    return cx != compare_x(p, source());

  Comparison_result cy = compare_y(source(), second_point());
  if (cy != EQUAL)
    return cy != compare_y(p, source());

  Comparison_result cz = compare_z(source(), second_point());
  if (cz != EQUAL)
    return cz != compare_z(p, source());

  return true; // p == source()
}

Here is the call graph for this function:

DirectionS3< FT > direction ( ) const

inline

Definition at line 155 of file RayS3.h.

Referenced by RayS3< FT >::operator==().

{ return DirectionS3<FT>( second_point() - source() ); }

Here is the caller graph for this function:

bool has_on

(

const PointS3< FT > &

p

)

const

Definition at line 182 of file RayS3.h.

References collinear().

{
  return (p == source()) ||
         ( collinear(source(), p, second_point())
           && ( DirectionS3<FT>(p - source()) == direction() ));
}

Here is the call graph for this function:

bool is_degenerate ( ) const

inline

Definition at line 193 of file RayS3.h.

{ return source() == second_point(); }

bool operator!= ( const RayS3< FT > &  r ) const

inline

Definition at line 116 of file RayS3.h.

{ return !(*this == r); }

bool operator== ( const RayS3< FT > &  r ) const

inline

Definition at line 109 of file RayS3.h.

References RayS3< FT >::direction(), and RayS3< FT >::source().

{ return (source() == r.source()) && (direction() == r.direction()); }

Here is the call graph for this function:

RayS3< FT > opposite ( ) const

inline

Definition at line 169 of file RayS3.h.

{ return RayS3<FT>( source(), - direction() ); }

PointS3< FT > point

(

int

i

)

const

Definition at line 139 of file RayS3.h.

References CGAL_kernel_precondition.

{
  CGAL_kernel_precondition( i >= 0 );
  if (i == 0)
    return e0;

  if (i == 1)
    return e1;

  return source() + FT(i) * (second_point() - source());
}

PointS3< FT > second_point

(

)

const

Definition at line 133 of file RayS3.h.

Referenced by LineS3< FT >::LineS3(), and PlaneS3< FT >::PlaneS3().

{ return e1; }

Here is the caller graph for this function:

PointS3< FT > source

(

)

const

Definition at line 128 of file RayS3.h.

Referenced by RayS3< FT >::operator==().

{ return e0; }

Here is the caller graph for this function:

PointS3< FT > start

(

)

const

Definition at line 122 of file RayS3.h.

Referenced by LineS3< FT >::LineS3(), and PlaneS3< FT >::PlaneS3().

{ return e0; }

Here is the caller graph for this function:

LineS3< FT > supporting_line ( ) const

inline

Definition at line 162 of file RayS3.h.

{ return LineS3<FT>(*this); }

RayS3< FT > transform ( const Aff_transformationS3< FT > &  t ) const

inline

Definition at line 176 of file RayS3.h.

References Aff_transformationS3< FT >::transform().

{ return RayS3<FT>(t.transform(source()), t.transform(second_point())); }

Here is the call graph for this function:

Member Data Documentation

PointS3<FT> e0

Definition at line 85 of file RayS3.h.

PointS3<FT> e1

Definition at line 86 of file RayS3.h.

---

The documentation for this class was generated from the following file:

• RayS3.h