face< C, V, POINT > Class Template Reference

#include <face.hpp>

List of all members.

Public Types

• typedef use< shape_def, V >::Shape Shape
• typedef POINT Point
• typedef edge< C, V, POINT > Edge
• typedef Seq< Point * >
  ::const_iterator const_iterator

Public Member Functions

• face (void)
• face (Point *p1, Point *p2, Point *p3)
• const_iterator begin () const
• const_iterator end () const
• unsigned size () const
• Seq< Point * > & points ()
• Point * points (int i)
• Point * operator[] (int i)
• void insert (Point *p)
• void push_vertex (Point *p)
• void set_index (const int &i)
• int get_index ()
• bool is_ccw ()
• void reverse ()

  Reverse face.
  

• Point * not_on (Edge *a)

  Refine face.
  

---

Detailed Description

template<class C, class V = default_env, class POINT = point<C,3,V>>
class mmx::shape::face< C, V, POINT >

Definition at line 53 of file face.hpp.

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Member Typedef Documentation

typedef Seq<Point*>::const_iterator const_iterator

Definition at line 60 of file face.hpp.

typedef edge<C,V,POINT> Edge

Definition at line 58 of file face.hpp.

typedef POINT Point

Definition at line 57 of file face.hpp.

typedef use<shape_def,V>::Shape Shape

Definition at line 56 of file face.hpp.

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Constructor & Destructor Documentation

face

(

void

)

[inline]

Definition at line 62 of file face.hpp.

: m_index(0) { };

face	(	Point *	p1,
		Point *	p2,
		Point *	p3
	)			[inline]

Definition at line 63 of file face.hpp.

                                          : Shape() {
    m_points<<p1;
    m_points<<p2;
    m_points<<p3;
    m_index=0;
  }; 

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Member Function Documentation

const_iterator begin

(

)

const [inline]

Definition at line 70 of file face.hpp.

References Seq< C, R >::begin().

{return m_points.begin();}

const_iterator end

(

)

const [inline]

Definition at line 71 of file face.hpp.

References Seq< C, R >::end().

{return m_points.end();}

int get_index

(

)

[inline]

Definition at line 81 of file face.hpp.

{ return m_index; } ;

void insert

(

Point *

p

)

[inline]

Definition at line 77 of file face.hpp.

Referenced by voronoi2dimpl< C, V >::run(), voronoi2d< C, V >::run(), semialgebraic2d< C, V >::run(), and arrangement2d< C, V >::run().

{ m_points<<p; } ;

bool is_ccw

(

)

[inline]

Definition at line 187 of file face.hpp.

References face< C, V, POINT >::size().

{
   double z(0);
   int    n=this->size();
   
   if (n < 3)
       return(0);
   n--;
   for (int i=0;i<n;i++) 
   {
       z+= m_points[i  ]->x() * m_points[i+1]->y() -
           m_points[i+1]->x() * m_points[i  ]->y() ;
   }
   z+= m_points[n]->x() * m_points[0]->y() -
       m_points[0]->x() * m_points[n]->y() ;

   return (z>0);
}

Point* not_on

(

Edge *

a

)

[inline]

Refine face.

Definition at line 91 of file face.hpp.

References edge< C, V, POINT >::destination(), and edge< C, V, POINT >::source().

    {
  foreach( Point * p, m_points)
    if ( !equal( a->destination(), p ) &&
         !equal( a->source()     , p ) )
      return p;
  std::cout<<" ! not_on(Edge) not found"<<std::endl;
  return NULL;};

Point* operator[]

(

int

i

)

[inline]

Definition at line 76 of file face.hpp.

{return m_points[i];}

Point* points

(

int

i

)

[inline]

Definition at line 75 of file face.hpp.

{return m_points[i];}

Seq<Point*>& points

(

)

[inline]

Definition at line 74 of file face.hpp.

Referenced by use< tpl3d_def >::print_as_graphic().

{return m_points;}

void push_vertex

(

Point *

p

)

[inline]

Definition at line 78 of file face.hpp.

{ m_points<<p; } ;

void reverse

(

)

[inline]

Reverse face.

Definition at line 86 of file face.hpp.

References Seq< C, R >::reverse().

{ m_points.reverse(); } ;

void set_index

(

const int &

i

)

[inline]

Definition at line 80 of file face.hpp.

Referenced by voronoi2dimpl< C, V >::run(), and voronoi2d< C, V >::run().

{ m_index=i; } ;

unsigned size

(

void

)

const [inline]

Definition at line 73 of file face.hpp.

References Seq< C, R >::size().

Referenced by face< C, V, POINT >::is_ccw(), and use< tpl3d_def >::print_as_graphic().

{return m_points.size();}

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

• include/shape/face.hpp