PolygonMesh Class Reference

#include <polygon_mesh.h>

List of all members.

Public Types
typedef vgl_point_3d< double >	DPoint
typedef vnl_vector_fixed < double, 3 >	DVector3D
typedef vcl_vector< int >	Face
typedef vcl_vector< DPoint >	Polygon
Public Member Functions
	PolygonMesh (int num_vertices=100, int num_faces=100)
int	add_vertex (DPoint &pt)
	add_vertex.
int	set_vertex (int index, DPoint &pt)
	add_vertex.
int	add_face (Face &fc)
	add_face.
int	set_face (int index, Face &fc)
	add_face.
DPoint	get_vertex (int index)
	get_vertex.
Polygon	get_face (int index)
	get_face.
DVector3D	get_face_normal (int face_index, int vertex_index)
	get_face_normal.
bool	read_file (char *filename)
	read_file.
int	num_faces () const
int	num_vertices () const
Private Attributes
vcl_vector< DPoint >	vertex_list
vcl_vector< Face >	face_list

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Detailed Description

Definition at line 16 of file polygon_mesh.h.

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Member Typedef Documentation

typedef vgl_point_3d<double> PolygonMesh::DPoint

Definition at line 19 of file polygon_mesh.h.

typedef vnl_vector_fixed<double, 3> PolygonMesh::DVector3D

Definition at line 20 of file polygon_mesh.h.

typedef vcl_vector<int> PolygonMesh::Face

Definition at line 21 of file polygon_mesh.h.

typedef vcl_vector<DPoint> PolygonMesh::Polygon

Definition at line 22 of file polygon_mesh.h.

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Constructor & Destructor Documentation

PolygonMesh::PolygonMesh	(	int	num_vertices = 100,
		int	num_faces = 100
	)		[inline]

Definition at line 28 of file polygon_mesh.h.

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Member Function Documentation

int PolygonMesh::add_face

(

Face &

fc

)

add_face.

Add a face to the end of the list of faces

Parameters:

fc	The vertices associated with the face

Returns:

The position of the added face

Author:

Brendan McCane

Definition at line 62 of file polygon_mesh.cxx.

int PolygonMesh::add_vertex

(

DPoint &

pt

)

add_vertex.

Add a vertex to the end of the list of vertices

Parameters:

pt	The location of the vertex

Returns:

The position of the added vertex

Author:

Brendan McCane

Definition at line 25 of file polygon_mesh.cxx.

PolygonMesh::Polygon PolygonMesh::get_face

(

int

index

)

get_face.

Returns a face at the specified location

Parameters:

index

the position to return

Returns:

a list of vertices

Author:

Brendan McCane

Definition at line 119 of file polygon_mesh.cxx.

PolygonMesh::DVector3D PolygonMesh::get_face_normal	(	int	face_index,
		int	vertex_index
	)

get_face_normal.

return the normal vector for the given vertex of a given face.

Parameters:

face_index	which face
vertex_index	which vertex in the face (ie not the vertex index in the entire list of vertices, but the vertex index within the face).

Returns:

the normalised normal vector

Author:

Brendan McCane

Definition at line 209 of file polygon_mesh.cxx.

PolygonMesh::DPoint PolygonMesh::get_vertex

(

int

index

)

get_vertex.

Returns a vertex at the specified location

Parameters:

index

the position to return

Returns:

the position of the vertex

Author:

Brendan McCane

Definition at line 98 of file polygon_mesh.cxx.

int PolygonMesh::num_faces

(

)

const [inline]

Definition at line 39 of file polygon_mesh.h.

int PolygonMesh::num_vertices

(

)

const [inline]

Definition at line 40 of file polygon_mesh.h.

bool PolygonMesh::read_file

(

char *

filename

)

read_file.

read a mesh in from a file

Parameters:

filename

the name of the file

Returns:

whether or not the file was successfully read

Author:

Brendan McCane

Definition at line 145 of file polygon_mesh.cxx.

int PolygonMesh::set_face	(	int	index,
		Face &	fc
	)

add_face.

Add a face to the prescribed position in the list of faces

Parameters:

fc	The vertices associated with the face
index	Where to add the face

Returns:

The position of the added face

Author:

Brendan McCane

Definition at line 79 of file polygon_mesh.cxx.

int PolygonMesh::set_vertex	(	int	index,
		DPoint &	pt
	)

add_vertex.

Add a vertex to the prescribed position in the list of vertices

Parameters:

pt	The location of the vertex
index	Where to add the vertex

Returns:

The position of the added vertex

Author:

Brendan McCane

Definition at line 43 of file polygon_mesh.cxx.

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Member Data Documentation

vcl_vector<Face> PolygonMesh::face_list [private]

Definition at line 25 of file polygon_mesh.h.

vcl_vector<DPoint> PolygonMesh::vertex_list [private]

Definition at line 24 of file polygon_mesh.h.

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

• contrib/oul/ouml/polygon_mesh.h
• contrib/oul/ouml/polygon_mesh.cxx