GEO::MeshInTriangle::Vertex Class Reference

A vertex of the triangulation. More...

#include <geogram/mesh/mesh_surface_intersection_internal.h>

Public Types
enum	Type { UNINITIALIZED , MESH_VERTEX , PRIMARY_ISECT , SECONDARY_ISECT }

Public Member Functions
	Vertex (MeshInTriangle *M, index_t f, index_t lv)
	Constructor for macro-triangle vertices. More...
	Vertex (MeshInTriangle *M, index_t f1, index_t f2, TriangleRegion R1, TriangleRegion R2)
	Constructor for intersections with other facets. More...
	Vertex (MeshInTriangle *M, const ExactPoint &point_exact_in)
	Constructor for intersections between constraints. More...
	Vertex ()
	Default constructor.
const Mesh &	mesh () const
	Gets the mesh. More...
void	print (std::ostream &out=std::cerr) const
	Prints this vertex. More...
std::string	to_string () const
	Gets a string representation of this Vertex. More...
vec2	get_UV_approx () const

Public Attributes
MeshInTriangle *	mit
ExactPoint	point_exact
Type	type
index_t	mesh_vertex_index
struct {
index_t   f1
index_t   f2
TriangleRegion   R1
TriangleRegion   R2
}	sym
double	l

Protected Member Functions
void	init_sym (index_t f1, index_t f2, TriangleRegion R1, TriangleRegion R2)
	Initializes the symbolic information of this Vertex. More...
ExactPoint	compute_geometry ()
	Gets the geometry of this vertex. More...
void	init_geometry (const ExactPoint &P)
	Optimizes exact numbers in generated points and computes approximate coordinates.

Detailed Description

A vertex of the triangulation.

Stores geometric information in exact precision, both in 3D and in local 2D coordinates. It also stores symbolic information, that is, facet indices and regions that generated the vertex.

Definition at line 112 of file mesh_surface_intersection_internal.h.

Constructor & Destructor Documentation

Vertex() [1/3]

GEO::MeshInTriangle::Vertex::Vertex ( MeshInTriangle *  M, index_t  f, index_t  lv  )

inline

Constructor for macro-triangle vertices.

Parameters

[in]	f	facet index, supposed to correspond to MeshInTriangle's current facet
[in]	lv	local vertex index in f

Definition at line 125 of file mesh_surface_intersection_internal.h.

Vertex() [2/3]

GEO::MeshInTriangle::Vertex::Vertex ( MeshInTriangle *  M, index_t  f1, index_t  f2, TriangleRegion  R1, TriangleRegion  R2  )

inline

Constructor for intersections with other facets.

Parameters

[in]	f1,f2	the two facets. f1 is suposed to correspond to MeshInTriangle's current facet
[in]	R1,R2	the two facet regions.

Definition at line 139 of file mesh_surface_intersection_internal.h.

Vertex() [3/3]

GEO::MeshInTriangle::Vertex::Vertex ( MeshInTriangle *  M, const ExactPoint &  point_exact_in  )

inline

Constructor for intersections between constraints.

Parameters

[in]

point_exact_in

exact 3D coordinates of the intersection

Definition at line 156 of file mesh_surface_intersection_internal.h.

Member Function Documentation

compute_geometry()

ExactPoint GEO::MeshInTriangle::Vertex::compute_geometry ( )

protected

Gets the geometry of this vertex.

Computes the exact 3D position of this vertex based on the mesh and the combinatorial information

init_sym()

void GEO::MeshInTriangle::Vertex::init_sym ( index_t  f1, index_t  f2, TriangleRegion  R1, TriangleRegion  R2  )

inlineprotected

Initializes the symbolic information of this Vertex.

Parameters

[in]	f1,f2	the two facets. f1 is suposed to correspond to MeshInTriangle's current facet
[in]	R1,R2	the two facet regions.

Definition at line 216 of file mesh_surface_intersection_internal.h.

mesh()

const Mesh& GEO::MeshInTriangle::Vertex::mesh ( ) const

inline

Gets the mesh.

Returns

a reference to the mesh

Definition at line 179 of file mesh_surface_intersection_internal.h.

print()

void GEO::MeshInTriangle::Vertex::print

(

std::ostream &

out = std::cerr

)

const

Prints this vertex.

Displays the combinatorial information

Parameters

[out]

out

an optional stream where to print

to_string()

std::string GEO::MeshInTriangle::Vertex::to_string ( ) const

inline

Gets a string representation of this Vertex.

Returns

a string with the combinatorial information of this Vertex

Definition at line 195 of file mesh_surface_intersection_internal.h.

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

• geogram/mesh/mesh_surface_intersection_internal.h