rcsc::Triangulation Class Reference

(Constrained Delaunay) triangulation class More...

#include <triangulation.h>

Classes
struct	Triangle
	triangle object type for Triangulation. More...

Public Types
typedef std::vector< Vector2D >	PointCont
	point container type.
typedef std::vector< Triangle >	TriangleCont
	triangle container type.
typedef std::pair< size_t, size_t >	Segment
	segment edge type.
typedef std::set< Segment >	SegmentSet
	segment edge set type.
typedef std::vector< Segment >	SegmentCont
	segment edge container type.

Public Member Functions
	Triangulation ()
	create null triangulation object.
void	clear ()
	clear all data.
void	clearResults ()
	clear result data.
const PointCont &	points () const
	get input point container.
const SegmentSet &	constraints () const
	get constrained edges.
const TriangleCont &	triangles () const
	get result triangle set.
const SegmentCont &	edges () const
	get result triangle edges.
void	setUseTriangles (const bool on)
	set use_triangles property.
void	setUseEdges (const bool on)
	set use_triangles property.
bool	addPoint (const Vector2D &p)
	add point to the input point container.
size_t	addPoints (const PointCont &v)
	add points to the input point container.
bool	addConstraint (const size_t &origin_index, const size_t &terminal_index)
	add constraint point indices for Constrained Delaunay triangulation.
void	compute ()
	generates triangulation.
const Triangle *	findTriangleContains (const Vector2D &point) const
	find the triangle contanes the input point.
int	findNearestPoint (const Vector2D &point) const
	find the point nearest to the input point.

Detailed Description

(Constrained Delaunay) triangulation class

Member Function Documentation

addConstraint()

bool rcsc::Triangulation::addConstraint	(	const size_t &	origin_index,
		const size_t &	terminal_index )

add constraint point indices for Constrained Delaunay triangulation.

Parameters

origin_index	index of first point
terminal_index	index of second point

addPoint()

bool rcsc::Triangulation::addPoint

(

const Vector2D &

p

)

add point to the input point container.

Parameters

p	new point.

Returns

result of adding operation.

addPoints()

size_t rcsc::Triangulation::addPoints

(

const PointCont &

v

)

add points to the input point container.

Parameters

v	point container.

Returns

size of successfully added points.

constraints()

const SegmentSet & rcsc::Triangulation::constraints ( ) const

inline

get constrained edges.

Returns

const reference to the segment container.

edges()

const SegmentCont & rcsc::Triangulation::edges ( ) const

inline

get result triangle edges.

Returns

const reference to the segment container.

findNearestPoint()

int rcsc::Triangulation::findNearestPoint

(

const Vector2D &

point

)

const

find the point nearest to the input point.

Parameters

point

input point

Returns

index of the nearest point. if not found, returns -1.

findTriangleContains()

const Triangle * rcsc::Triangulation::findTriangleContains

(

const Vector2D &

point

)

const

find the triangle contanes the input point.

Parameters

point

input point

Returns

pointer to the triangle. if not found, returns NULL.

points()

const PointCont & rcsc::Triangulation::points ( ) const

inline

get input point container.

Returns

const reference to the point container.

setUseEdges()

void rcsc::Triangulation::setUseEdges ( const bool on )

inline

set use_triangles property.

Parameters

on	new property value.

setUseTriangles()

void rcsc::Triangulation::setUseTriangles ( const bool on )

inline

set use_triangles property.

Parameters

on	property value.

triangles()

const TriangleCont & rcsc::Triangulation::triangles ( ) const

inline

get result triangle set.

Returns

const reference to the triangle container.

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

• ui/geom/triangulation.h