A simple mesh. More...

#include <imesh_mesh.h>

Inheritance diagram for imesh_mesh:

Public Types
enum	tex_coord_type { TEX_COORD_NONE = 0, TEX_COORD_ON_VERT = 1, TEX_COORD_ON_CORNER = 2 }
	This type indicates how texture coordinates are indexed. More...
Public Member Functions
	imesh_mesh ()
	Default Constructor.
	imesh_mesh (vcl_auto_ptr< imesh_vertex_array_base > verts, vcl_auto_ptr< imesh_face_array_base > faces)
	Constructor from vertex and face arrays.
	imesh_mesh (const imesh_mesh &other)
	Copy Constructor.
imesh_mesh &	operator= (imesh_mesh const &other)
	Assignment operator.
unsigned int	num_verts () const
	Return the number of vertices.
unsigned int	num_faces () const
	Return the number of faces.
unsigned int	num_edges () const
	Return the number of edges.
void	merge (const imesh_mesh &other)
	Merge the data from another mesh into this one.
bool	is_init () const
	Return true if the mesh has been initialized.
const imesh_vertex_array_base &	vertices () const
	Access the vector of vertices.
imesh_vertex_array_base &	vertices ()
template<unsigned int d>
const imesh_vertex_array< d > &	vertices () const
	Access the vector of vertices cast to a dimension.
template<unsigned int d>
imesh_vertex_array< d > &	vertices ()
const imesh_face_array_base &	faces () const
	Access the vector of faces.
imesh_face_array_base &	faces ()
void	set_vertices (vcl_auto_ptr< imesh_vertex_array_base > verts)
	Set the vertices.
void	set_faces (vcl_auto_ptr< imesh_face_array_base > faces)
	Set the faces.
bool	has_half_edges () const
	Returns true if the mesh has computed half edges.
const imesh_half_edge_set &	half_edges () const
	Return the half edge set.
void	build_edge_graph ()
	Construct the half edges graph structure.
void	remove_edge_graph ()
	Remove the half edge graph structure.
void	compute_vertex_normals ()
	Compute vertex normals.
void	compute_vertex_normals_from_faces ()
	Compute vertex normals using face normals.
void	compute_face_normals (bool norm=true)
	Compute face normals.
tex_coord_type	has_tex_coords () const
	Returns texture coordinate availability.
const vcl_vector< vgl_point_2d < double > > &	tex_coords () const
	Return the texture coordinates.
void	set_tex_coords (const vcl_vector< vgl_point_2d< double > > &tc)
	Set the texture coordinates.
void	set_tex_source (const vcl_string ts)
	set the texture sources.
const vcl_string &	tex_source () const
const vcl_vector< bool > &	valid_tex_faces () const
	Return a vector indicating which faces have texture.
void	set_valid_tex_faces (const vcl_vector< bool > &valid)
	Set the vector indicating which faces have texture.
void	label_ccw_tex_faces_valid ()
	Label all faces with positive (counter clockwise orientation) area as valid.
vgl_point_2d< double >	texture_map (unsigned int tri, double u, double v) const
	Map a barycentric coordinate (u,v) on triangle.
Private Attributes
vcl_auto_ptr < imesh_vertex_array_base >	verts_
vcl_auto_ptr < imesh_face_array_base >	faces_
imesh_half_edge_set	half_edges_
vcl_vector< vgl_point_2d < double > >	tex_coords_
	vector of texture coordinates.
vcl_string	tex_source_
	vector of texture sources.
vcl_vector< bool >	valid_tex_faces_
	indicate which faces have texture data.
tex_coord_type	tex_coord_status_
	the type of texture coordinates.

Detailed Description

A simple mesh.

Definition at line 26 of file imesh_mesh.h.

Member Enumeration Documentation

enum imesh_mesh::tex_coord_type

This type indicates how texture coordinates are indexed.

ON_VERT is one coordinate per vertex ON_CORNER is one coordinate per half edge (i.e. corner)

Enumerator:

TEX_COORD_NONE
TEX_COORD_ON_VERT
TEX_COORD_ON_CORNER

Definition at line 112 of file imesh_mesh.h.

Constructor & Destructor Documentation

imesh_mesh::imesh_mesh ( ) [inline]

Default Constructor.

Definition at line 30 of file imesh_mesh.h.

imesh_mesh::imesh_mesh	(	vcl_auto_ptr< imesh_vertex_array_base >	verts,
		vcl_auto_ptr< imesh_face_array_base >	faces
	)		`[inline]`

Constructor from vertex and face arrays.

Takes ownership of these arrays

Definition at line 34 of file imesh_mesh.h.

imesh_mesh::imesh_mesh ( const imesh_mesh & other )

Copy Constructor.

Definition at line 12 of file imesh_mesh.cxx.

Member Function Documentation

void imesh_mesh::build_edge_graph ( )

Construct the half edges graph structure.

Definition at line 93 of file imesh_mesh.cxx.

void imesh_mesh::compute_face_normals ( bool norm = true )

Compute face normals.

If norm == false the vector lengths are twice the area of the face

Definition at line 183 of file imesh_mesh.cxx.

void imesh_mesh::compute_vertex_normals ( )

Compute vertex normals.

Definition at line 108 of file imesh_mesh.cxx.

void imesh_mesh::compute_vertex_normals_from_faces ( )

Compute vertex normals using face normals.

Definition at line 144 of file imesh_mesh.cxx.

const imesh_face_array_base& imesh_mesh::faces ( ) const [inline]

Access the vector of faces.

Definition at line 78 of file imesh_mesh.h.

imesh_face_array_base& imesh_mesh::faces ( ) [inline]

Definition at line 79 of file imesh_mesh.h.

const imesh_half_edge_set& imesh_mesh::half_edges ( ) const [inline]

Return the half edge set.

Definition at line 91 of file imesh_mesh.h.

bool imesh_mesh::has_half_edges ( ) const [inline]

Returns true if the mesh has computed half edges.

Definition at line 88 of file imesh_mesh.h.

tex_coord_type imesh_mesh::has_tex_coords ( ) const [inline]

Returns texture coordinate availability.

Definition at line 117 of file imesh_mesh.h.

bool imesh_mesh::is_init ( ) const [inline]

Return true if the mesh has been initialized.

Definition at line 57 of file imesh_mesh.h.

void imesh_mesh::label_ccw_tex_faces_valid ( )

Label all faces with positive (counter clockwise orientation) area as valid.

This requirement refers to the texture map coordinates

Definition at line 235 of file imesh_mesh.cxx.

void imesh_mesh::merge ( const imesh_mesh & other )

Merge the data from another mesh into this one.

Duplicates are not removed

Definition at line 44 of file imesh_mesh.cxx.

unsigned int imesh_mesh::num_edges ( ) const [inline]

Return the number of edges.

Definition at line 50 of file imesh_mesh.h.

unsigned int imesh_mesh::num_faces ( ) const [inline]

Return the number of faces.

Definition at line 47 of file imesh_mesh.h.

unsigned int imesh_mesh::num_verts ( ) const [inline]

Return the number of vertices.

Definition at line 44 of file imesh_mesh.h.

imesh_mesh & imesh_mesh::operator= ( imesh_mesh const & other )

Assignment operator.

Definition at line 26 of file imesh_mesh.cxx.

void imesh_mesh::remove_edge_graph ( ) [inline]

Remove the half edge graph structure.

Definition at line 97 of file imesh_mesh.h.

void imesh_mesh::set_faces ( vcl_auto_ptr< imesh_face_array_base > faces ) [inline]

Set the faces.

Definition at line 85 of file imesh_mesh.h.

void imesh_mesh::set_tex_coords ( const vcl_vector< vgl_point_2d< double > > & tc )

Set the texture coordinates.

Definition at line 79 of file imesh_mesh.cxx.

void imesh_mesh::set_tex_source ( const vcl_string ts ) [inline]

set the texture sources.

Definition at line 126 of file imesh_mesh.h.

void imesh_mesh::set_valid_tex_faces ( const vcl_vector< bool > & valid )

Set the vector indicating which faces have texture.

Definition at line 226 of file imesh_mesh.cxx.

void imesh_mesh::set_vertices ( vcl_auto_ptr< imesh_vertex_array_base > verts ) [inline]

Set the vertices.

Definition at line 82 of file imesh_mesh.h.

const vcl_vector<vgl_point_2d<double> >& imesh_mesh::tex_coords ( ) const [inline]

Return the texture coordinates.

Definition at line 120 of file imesh_mesh.h.

const vcl_string& imesh_mesh::tex_source ( ) const [inline]

Definition at line 127 of file imesh_mesh.h.

vgl_point_2d< double > imesh_mesh::texture_map	(	unsigned int	tri,
		double	u,
		double	v
	)		const

Map a barycentric coordinate (u,v) on triangle.

Parameters:

tri	into texture space.

Definition at line 208 of file imesh_mesh.cxx.

const vcl_vector<bool>& imesh_mesh::valid_tex_faces ( ) const [inline]

Return a vector indicating which faces have texture.

Definition at line 130 of file imesh_mesh.h.

const imesh_vertex_array_base& imesh_mesh::vertices ( ) const [inline]

Access the vector of vertices.

Definition at line 60 of file imesh_mesh.h.

imesh_vertex_array_base& imesh_mesh::vertices ( ) [inline]

Definition at line 61 of file imesh_mesh.h.

template<unsigned int d>

const imesh_vertex_array<d>& imesh_mesh::vertices ( ) const [inline]

Access the vector of vertices cast to a dimension.

Definition at line 65 of file imesh_mesh.h.

template<unsigned int d>

imesh_vertex_array<d>& imesh_mesh::vertices ( ) [inline]

Definition at line 71 of file imesh_mesh.h.

Member Data Documentation

vcl_auto_ptr<imesh_face_array_base> imesh_mesh::faces_ [private]

Definition at line 146 of file imesh_mesh.h.

imesh_half_edge_set imesh_mesh::half_edges_ [private]

Definition at line 147 of file imesh_mesh.h.

tex_coord_type imesh_mesh::tex_coord_status_ [private]

the type of texture coordinates.

Definition at line 158 of file imesh_mesh.h.

vcl_vector<vgl_point_2d<double> > imesh_mesh::tex_coords_ [private]

vector of texture coordinates.

Definition at line 150 of file imesh_mesh.h.

vcl_string imesh_mesh::tex_source_ [private]

vector of texture sources.

Definition at line 153 of file imesh_mesh.h.

vcl_vector<bool> imesh_mesh::valid_tex_faces_ [private]

indicate which faces have texture data.

Definition at line 156 of file imesh_mesh.h.

vcl_auto_ptr<imesh_vertex_array_base> imesh_mesh::verts_ [private]

Definition at line 145 of file imesh_mesh.h.

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

contrib/brl/bbas/imesh/imesh_mesh.h
contrib/brl/bbas/imesh/imesh_mesh.cxx

Public Types

Public Member Functions

Private Attributes

Detailed Description

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation