coordinate type independent base class of simple mesh data structure that handles indices and colors. More...

#include <simple_mesh.h>

Inheritance diagram for cgv::media::mesh::simple_mesh_base:

Public Types
enum class	attribute_type { begin =0 , position =0 , texcoords =1 , normal =2 , tangent =3 , color =4 , end =5 }
	different mesh attributes More...

enum	AttributeFlags { AF_position = 1 , AF_texcoords = 2 , AF_normal = 4 , AF_tangent = 8 , AF_color = 16 }

typedef cgv::type::uint32_type	idx_type
	define index type

typedef cgv::math::fvec< idx_type, 2 >	idx2_type
	define index pair type

typedef cgv::math::fvec< idx_type, 3 >	idx3_type
	define index triple type

typedef cgv::math::fvec< idx_type, 4 >	idx4_type
	define index quadruple type

typedef illum::textured_surface_material	mat_type
	define material type

Public Member Functions
virtual bool	has_attribute (attribute_type attr) const =0

virtual const uint8_t *	get_attribute_ptr (attribute_type attr, idx_type ai=0) const =0

virtual size_t	get_attribute_size (attribute_type attr) const =0

virtual size_t	get_attribute_offset (attribute_type attr) const =0

	simple_mesh_base ()
	default constructor

	simple_mesh_base (const simple_mesh_base &smb)
	copy constructor

	simple_mesh_base (simple_mesh_base &&smb)
	move constructor

simple_mesh_base &	operator= (const simple_mesh_base &smb)
	assignment operator

simple_mesh_base &	operator= (simple_mesh_base &&smb)
	move assignment operator

virtual idx_type	get_nr_positions () const =0
	position count

virtual uint32_t	get_coord_size () const =0
	return the size of one coordinate in bytes

idx_type	start_face ()
	Create a new empty face to which new corners are added.

idx_type	new_corner (idx_type position_index, idx_type normal_index=-1, idx_type tex_coord_index=-1)
	Create a new corner with the given attributes.

idx_type	c2p (idx_type ci) const
	return position index of corner

idx_type	c2n (idx_type ci) const
	return normal index of corner

bool	has_normal_indices () const
	return whether normal indices are stored

idx_type	c2t (idx_type ci) const
	return texture index of corner

bool	has_tex_coord_indices () const
	return whether texture coordinate indices are stored

idx_type	get_nr_faces () const
	return the number of faces

idx_type	get_nr_corners () const
	return the number of corners

idx_type	begin_corner (idx_type fi) const
	Retrieve the vertex index of the first corner of a face.

idx_type	end_corner (idx_type fi) const
	Retrieve index of the vertex which follows the end corner of a face.

idx_type	face_degree (idx_type fi) const
	return number of edges/corners of face with index fi

size_t	get_nr_materials () const
	return number of materials in mesh

idx_type	new_material ()
	add a new material and return its index

const mat_type &	get_material (size_t i) const
	return const reference to i-th material

mat_type &	ref_material (size_t i)
	return reference to i-th material

const idx_type &	material_index (idx_type fi) const
	return material index of given face

idx_type &	material_index (idx_type fi)
	return reference to material index of given face

size_t	get_nr_groups () const
	return number of face groups

const std::string &	group_name (size_t i) const
	return the name of the i-th face group

std::string &	group_name (size_t i)
	set a new group name

idx_type	new_group (const std::string &name)
	add a new group and return its index

const idx_type &	group_index (idx_type fi) const
	return group index of given face

idx_type &	group_index (idx_type fi)
	return reference to group index of given face

void	revert_face_orientation ()
	revert face orientation

void	sort_faces (std::vector< idx_type > &perm, bool by_group=true, bool by_material=true) const
	Calculate a permutation of face indices which sorts them by group and/or material.

void	merge_indices (std::vector< idx_type > &vertex_indices, std::vector< idx4_type > &unique_tuples, bool include_tex_coords_ptr=0, bool include_normals_ptr=0, bool *include_tangents_ptr=0) const
	Transforms n individual vertex attribute indices into one list of unique index n-tuples.

void	extract_triangle_element_buffer (const std::vector< idx_type > &vertex_indices, std::vector< idx_type > &triangle_element_buffer, const std::vector< idx_type > face_permutation_ptr=0, std::vector< idx3_type > material_group_start_ptr=0) const
	Extract element array buffers for triangulation.

void	extract_wireframe_element_buffer (const std::vector< idx_type > &vertex_indices, std::vector< idx_type > &edge_element_buffer) const
	Extract element array buffers for edges in wireframe.

idx_type	extract_vertex_attribute_buffer_base (const std::vector< idx4_type > &unique_quadruples, AttributeFlags &flags, std::vector< uint8_t > &attrib_buffer) const
	extract vertex attribute buffer for the given flags and return size of vertex in bytes

idx_type	compute_inv (std::vector< idx_type > &inv, bool link_non_manifold_edges=false, std::vector< idx_type > p2c_ptr=0, std::vector< idx_type > next_ptr=0, std::vector< idx_type > prev_ptr=0, std::vector< idx_type > unmatched=0, std::vector< idx_type > non_manifold=0, std::vector< idx_type > unmatched_elements=0, std::vector< idx_type > *non_manifold_elements=0) const
	Do inverse matching of half-edges.

idx_type	compute_c2e (const std::vector< idx_type > &inv, std::vector< idx_type > &c2e, std::vector< idx_type > *e2c_ptr=0) const
	given the inv corners compute vector storing per corner the edge index and optionally per edge one corner index and return edge count (implementation assumes closed manifold connectivity)

void	compute_c2f (std::vector< idx_type > &c2f) const
	compute index vector with per corner its face index

Public Member Functions inherited from cgv::media::colored_model
	colored_model ()
	construct colored model

	colored_model (const colored_model &cm)
	copy constructur

	colored_model (colored_model &&cm)
	move constructur

colored_model &	operator= (const colored_model &cm)
	assignment operator

colored_model &	operator= (colored_model &&cm)
	move assignment operator

virtual	~colored_model ()
	destruct colored model

bool	has_colors () const
	check whether colors have been allocated

void	set_color (size_t i, const void *col_ptr)
	set i-th color to color of type stored in storage

void	set_color (size_t i, const rgb &col)
	set i-th color from color of type rgb

void	set_color (size_t i, const rgb8 &col)
	set i-th color from color of type rgba

void	set_color (size_t i, const rgba &col)
	set i-th color from color of type rgb8

void	set_color (size_t i, const rgba8 &col)
	set i-th color from color of type rgba8

void	put_color (size_t i, void *col_ptr) const
	set color of type stored in storage to i-th color

void	put_color (size_t i, rgb &col) const
	set color of type rgb to i-th color

void	put_color (size_t i, rgba &col) const
	set color of type rgba to i-th color

void	put_color (size_t i, rgb8 &col) const
	set color of type rgb8 to i-th color

void	put_color (size_t i, rgba8 &col) const
	set color of type rgba8 to i-th color

size_t	get_nr_colors () const
	return number of allocated colors

void	resize_colors (size_t nr_colors)
	resize the color storage to given number of colors

size_t	get_color_size () const
	return the size of one allocated color in byte

ColorType	get_color_storage_type () const
	return storage type of colors, if no colors are allocated CT_RGBA8 is returned

const void *	get_color_data_ptr () const

const void *	get_color_data_vector_ptr () const

void *	ref_color_data_ptr ()

void *	ref_color_data_vector_ptr ()

void	ensure_colors (ColorType _color_type, size_t nr_colors=-1)
	ensure that colors are allocated and of given storage type

void	destruct_colors ()
	destruct color storage

Static Public Member Functions
static std::string	get_attribute_name (attribute_type attr)

static AttributeFlags	get_attribute_flag (attribute_type attr)

Protected Attributes
std::vector< idx_type >	position_indices

std::vector< idx_type >	tex_coord_indices

std::vector< idx_type >	normal_indices

std::vector< idx_type >	tangent_indices

std::vector< idx_type >	faces

std::vector< idx_type >	group_indices

std::vector< std::string >	group_names

std::vector< idx_type >	material_indices

std::vector< mat_type >	materials

Protected Attributes inherited from cgv::media::colored_model
abst_color_storage *	color_storage_ptr
	pointer to color storage

Detailed Description

coordinate type independent base class of simple mesh data structure that handles indices and colors.

Definition at line 26 of file simple_mesh.h.

Member Typedef Documentation

◆ idx2_type

typedef cgv::math::fvec<idx_type,2> cgv::media::mesh::simple_mesh_base::idx2_type

define index pair type

Definition at line 32 of file simple_mesh.h.

◆ idx3_type

typedef cgv::math::fvec<idx_type,3> cgv::media::mesh::simple_mesh_base::idx3_type

define index triple type

Definition at line 34 of file simple_mesh.h.

◆ idx4_type

typedef cgv::math::fvec<idx_type,4> cgv::media::mesh::simple_mesh_base::idx4_type

define index quadruple type

Definition at line 36 of file simple_mesh.h.

◆ idx_type

typedef cgv::type::uint32_type cgv::media::mesh::simple_mesh_base::idx_type

define index type

Definition at line 30 of file simple_mesh.h.

◆ mat_type

typedef illum::textured_surface_material cgv::media::mesh::simple_mesh_base::mat_type

define material type

Definition at line 38 of file simple_mesh.h.

Member Enumeration Documentation

◆ attribute_type

enum class cgv::media::mesh::simple_mesh_base::attribute_type

strong

different mesh attributes

Definition at line 40 of file simple_mesh.h.

◆ AttributeFlags

enum cgv::media::mesh::simple_mesh_base::AttributeFlags

Enumerator
AF_texcoords	vertex position
AF_normal	texture coordinates
AF_tangent	surface normal
AF_color	tangent vectors for u coordinate

Definition at line 44 of file simple_mesh.h.

Constructor & Destructor Documentation

◆ simple_mesh_base() [1/3]

cgv::media::mesh::simple_mesh_base::simple_mesh_base ( )

default constructor

Definition at line 25 of file simple_mesh.cxx.

◆ simple_mesh_base() [2/3]

cgv::media::mesh::simple_mesh_base::simple_mesh_base ( const simple_mesh_base & smb )

copy constructor

Definition at line 28 of file simple_mesh.cxx.

◆ simple_mesh_base() [3/3]

cgv::media::mesh::simple_mesh_base::simple_mesh_base ( simple_mesh_base && smb )

move constructor

Definition at line 40 of file simple_mesh.cxx.

Member Function Documentation

◆ begin_corner()

idx_type cgv::media::mesh::simple_mesh_base::begin_corner ( idx_type fi ) const

inline

Retrieve the vertex index of the first corner of a face.

Parameters

[in] fi Which face of simple_mesh<T>faces.

Returns: Index of the face's first vertex.

Definition at line 117 of file simple_mesh.h.

Referenced by compute_c2f(), compute_inv(), extract_triangle_element_buffer(), extract_wireframe_element_buffer(), and revert_face_orientation().

◆ c2n()

idx_type cgv::media::mesh::simple_mesh_base::c2n ( idx_type ci ) const

inline

return normal index of corner

Definition at line 100 of file simple_mesh.h.

◆ c2p()

idx_type cgv::media::mesh::simple_mesh_base::c2p ( idx_type ci ) const

inline

return position index of corner

Definition at line 98 of file simple_mesh.h.

Referenced by compute_inv().

◆ c2t()

idx_type cgv::media::mesh::simple_mesh_base::c2t ( idx_type ci ) const

inline

return texture index of corner

Definition at line 104 of file simple_mesh.h.

◆ compute_c2e()

simple_mesh_base::idx_type cgv::media::mesh::simple_mesh_base::compute_c2e	(	const std::vector< idx_type > &	inv,
		std::vector< idx_type > &	c2e,
		std::vector< idx_type > *	e2c_ptr = `0`
	)		const

given the inv corners compute vector storing per corner the edge index and optionally per edge one corner index and return edge count (implementation assumes closed manifold connectivity)

Definition at line 406 of file simple_mesh.cxx.

◆ compute_c2f()

void cgv::media::mesh::simple_mesh_base::compute_c2f ( std::vector< idx_type > & c2f ) const

compute index vector with per corner its face index

Definition at line 424 of file simple_mesh.cxx.

References begin_corner(), end_corner(), get_nr_corners(), and get_nr_faces().

◆ compute_inv()

simple_mesh_base::idx_type cgv::media::mesh::simple_mesh_base::compute_inv	(	std::vector< idx_type > &	inv,
		bool	link_non_manifold_edges = `false`,
		std::vector< idx_type > *	p2c_ptr = `0`,
		std::vector< idx_type > *	next_ptr = `0`,
		std::vector< idx_type > *	prev_ptr = `0`,
		std::vector< idx_type > *	unmatched = `0`,
		std::vector< idx_type > *	non_manifold = `0`,
		std::vector< idx_type > *	unmatched_elements = `0`,
		std::vector< idx_type > *	non_manifold_elements = `0`
	)		const

Do inverse matching of half-edges.

For this corners are converted to the half - edges that point in winding order away from the corner. The inverse matching result is stored in the vector inv with one index per corner. This index is -1 for unmatched half-edges and the index of the corner corresponding to matched half-edges. For non-manifold edges two strategies are supported: cyclic linking (link_non_manifold_edges = true) or cutting into unmatched half-edges (link_non_manifold_edges = false). The function fills the optionally provided vectors

p2c ... per position the index of one incident corner
next ... per corner the index of the next corner in the face
prev ... per corner the index of the prev corner in the face
unmatched ... corners with unmatched half-edges
non_manifold ... one corner index per non-manifold edge
unmatched_elements ... position indices of unmatched half-edges
non_manifold_elements ... position indices of non-manifold edges The function returns the number of interior manifold edges

Definition at line 265 of file simple_mesh.cxx.

References begin_corner(), c2p(), end_corner(), get_nr_corners(), get_nr_faces(), and get_nr_positions().

◆ end_corner()

idx_type cgv::media::mesh::simple_mesh_base::end_corner ( idx_type fi ) const

inline

Retrieve index of the vertex which follows the end corner of a face.

Parameters

[in] fi Which face of simple_mesh<T>faces.

Returns: Index of the face's last vertex + 1.

Definition at line 124 of file simple_mesh.h.

Referenced by compute_c2f(), compute_inv(), extract_triangle_element_buffer(), extract_wireframe_element_buffer(), and revert_face_orientation().

◆ extract_triangle_element_buffer()

void cgv::media::mesh::simple_mesh_base::extract_triangle_element_buffer	(	const std::vector< idx_type > &	vertex_indices,
		std::vector< idx_type > &	triangle_element_buffer,
		const std::vector< idx_type > *	face_permutation_ptr = `0`,
		std::vector< idx3_type > *	material_group_start_ptr = `0`
	)		const

Extract element array buffers for triangulation.

Parameters

[in]	vertex_indices	Contains indices into a list of vertices.
[out]	triangle_element_buffer	Stores the vertex indices which make up a triangulated mesh.
[in]	face_permutation_ptr	If nullptr the faces will be traversed in successive fashion. Otherwise the given index-permutation is used.
[out]	material_group_start_ptr	Will be filled with material group indices if not nullptr.

See also: simple_mesh::merge_indices(); simple_mesh::sort_faces() for getting a permutation

Definition at line 164 of file simple_mesh.cxx.

References begin_corner(), end_corner(), and face_degree().

Referenced by cgv::render::mesh_render_info::construct_index_buffers().

◆ extract_vertex_attribute_buffer_base()

simple_mesh_base::idx_type cgv::media::mesh::simple_mesh_base::extract_vertex_attribute_buffer_base	(	const std::vector< idx4_type > &	unique_quadruples,
		AttributeFlags &	flags,
		std::vector< uint8_t > &	attrib_buffer
	)		const

extract vertex attribute buffer for the given flags and return size of vertex in bytes

Definition at line 222 of file simple_mesh.cxx.

References AF_color, AF_normal, AF_tangent, AF_texcoords, cgv::media::colored_model::get_color_size(), get_coord_size(), and cgv::media::colored_model::has_colors().

Referenced by cgv::render::mesh_render_info::construct(), cgv::render::mesh_render_info::construct_dynamic(), and cgv::render::mesh_render_info::update_vbo().

◆ extract_wireframe_element_buffer()

void cgv::media::mesh::simple_mesh_base::extract_wireframe_element_buffer	(	const std::vector< idx_type > &	vertex_indices,
		std::vector< idx_type > &	edge_element_buffer
	)		const

Extract element array buffers for edges in wireframe.

Parameters

[in]	vertex_indices	Contains indices into a list of vertices.
[out]	edge_element_buffer	Stores the vertex indices which make up a wireframed mesh.

See also: simple_mesh::merge_indices()

Definition at line 194 of file simple_mesh.cxx.

References begin_corner(), and end_corner().

Referenced by cgv::render::mesh_render_info::construct_index_buffers().

◆ face_degree()

idx_type cgv::media::mesh::simple_mesh_base::face_degree ( idx_type fi ) const

inline

return number of edges/corners of face with index fi

Definition at line 126 of file simple_mesh.h.

Referenced by extract_triangle_element_buffer().

◆ get_attribute_flag()

simple_mesh_base::AttributeFlags cgv::media::mesh::simple_mesh_base::get_attribute_flag ( attribute_type attr )

static

Definition at line 20 of file simple_mesh.cxx.

◆ get_attribute_name()

std::string cgv::media::mesh::simple_mesh_base::get_attribute_name ( attribute_type attr )

static

Definition at line 15 of file simple_mesh.cxx.

◆ get_coord_size()

virtual uint32_t cgv::media::mesh::simple_mesh_base::get_coord_size ( ) const

pure virtual

return the size of one coordinate in bytes

Implemented in cgv::media::mesh::simple_mesh< T >, cgv::media::mesh::simple_mesh< float >, and cgv::media::mesh::simple_mesh< T >.

Referenced by extract_vertex_attribute_buffer_base().

◆ get_material()

const mat_type & cgv::media::mesh::simple_mesh_base::get_material ( size_t i ) const

inline

return const reference to i-th material

Definition at line 132 of file simple_mesh.h.

Referenced by cgv::render::mesh_render_info::construct_index_buffers().

◆ get_nr_corners()

idx_type cgv::media::mesh::simple_mesh_base::get_nr_corners ( ) const

inline

return the number of corners

Definition at line 110 of file simple_mesh.h.

Referenced by compute_c2f(), compute_inv(), and cgv::media::mesh::simple_mesh< float >::extract_vertex_attribute_buffer().

◆ get_nr_faces()

idx_type cgv::media::mesh::simple_mesh_base::get_nr_faces ( ) const

inline

return the number of faces

Definition at line 108 of file simple_mesh.h.

Referenced by compute_c2f(), compute_inv(), cgv::render::gl::gl_implicit_surface_drawable_base::draw(), cgv::render::gl::gl_implicit_surface_drawable_base::draw_implicit_surface(), and revert_face_orientation().

◆ get_nr_groups()

size_t cgv::media::mesh::simple_mesh_base::get_nr_groups ( ) const

inline

return number of face groups

Definition at line 140 of file simple_mesh.h.

Referenced by cgv::render::mesh_render_info::construct_index_buffers(), and sort_faces().

◆ get_nr_materials()

size_t cgv::media::mesh::simple_mesh_base::get_nr_materials ( ) const

inline

return number of materials in mesh

Definition at line 128 of file simple_mesh.h.

Referenced by cgv::render::mesh_render_info::construct_index_buffers(), and sort_faces().

◆ get_nr_positions()

virtual idx_type cgv::media::mesh::simple_mesh_base::get_nr_positions ( ) const

pure virtual

position count

Implemented in cgv::media::mesh::simple_mesh< T >, cgv::media::mesh::simple_mesh< float >, and cgv::media::mesh::simple_mesh< T >.

Referenced by compute_inv().

◆ group_index() [1/2]

idx_type & cgv::media::mesh::simple_mesh_base::group_index ( idx_type fi )

inline

return reference to group index of given face

Definition at line 150 of file simple_mesh.h.

◆ group_index() [2/2]

const idx_type & cgv::media::mesh::simple_mesh_base::group_index ( idx_type fi ) const

inline

return group index of given face

Definition at line 148 of file simple_mesh.h.

Referenced by cgv::render::extract_mesh().

◆ group_name() [1/2]

std::string & cgv::media::mesh::simple_mesh_base::group_name ( size_t i )

inline

set a new group name

Definition at line 144 of file simple_mesh.h.

◆ group_name() [2/2]

const std::string & cgv::media::mesh::simple_mesh_base::group_name ( size_t i ) const

inline

return the name of the i-th face group

Definition at line 142 of file simple_mesh.h.

◆ has_normal_indices()

bool cgv::media::mesh::simple_mesh_base::has_normal_indices ( ) const

inline

return whether normal indices are stored

Definition at line 102 of file simple_mesh.h.

◆ has_tex_coord_indices()

bool cgv::media::mesh::simple_mesh_base::has_tex_coord_indices ( ) const

inline

return whether texture coordinate indices are stored

Definition at line 106 of file simple_mesh.h.

◆ material_index() [1/2]

idx_type & cgv::media::mesh::simple_mesh_base::material_index ( idx_type fi )

inline

return reference to material index of given face

Definition at line 138 of file simple_mesh.h.

◆ material_index() [2/2]

const idx_type & cgv::media::mesh::simple_mesh_base::material_index ( idx_type fi ) const

inline

return material index of given face

Definition at line 136 of file simple_mesh.h.

Referenced by cgv::render::extract_mesh().

◆ merge_indices()

void cgv::media::mesh::simple_mesh_base::merge_indices	(	std::vector< idx_type > &	vertex_indices,
		std::vector< idx4_type > &	unique_tuples,
		bool *	include_tex_coords_ptr = `0`,
		bool *	include_normals_ptr = `0`,
		bool *	include_tangents_ptr = `0`
	)		const

Transforms n individual vertex attribute indices into one list of unique index n-tuples.

Picture for example a cube where each quadratic face has a color. There would be only eight vertex positions. However, each of these vertices belongs to three faces and would therefore need to carry three distinct colors. To solve this issue all the unique combinations of attribute indicies get recorded into a list. The new face primitives are then referenced by indexing into this list of unique index n-tuples.

See https://www.opengl-tutorial.org/intermediate-tutorials/tutorial-9-vbo-indexing/ for further details.

Parameters

[out]	vertex_indices	will be filled per corner with index into the unique tuple list.
[out]	unique_tuples	will be filled with all the unique n-tuples.
[in,out]	include_tex_coords_ptr	if nullptr then texture coordinates won't be included in the n-tuples. Otherwise the pointed to bool will be set to true if the mesh even contains texture coordinates or false if not.
[in,out]	include_normals_ptr	if nullptr then normals won't be included in the n-tuples. Otherwise the pointed to bool will be set to true if the mesh even contains normals or false if not.
[in,out]	include_tangents_ptr	if nullptr then tangents won't be included in the n-tuples. Otherwise the pointed to bool will be set to true if the mesh even contains texture coordinates or false if not.

See also: simple_mesh::extract_triangle_element_buffer(); simple_mesh::extract_wireframe_element_buffer()

Definition at line 127 of file simple_mesh.cxx.

Referenced by cgv::render::mesh_render_info::construct_index_buffers().

◆ new_corner()

simple_mesh_base::idx_type cgv::media::mesh::simple_mesh_base::new_corner	(	idx_type	position_index,
		idx_type	normal_index = `-1`,
		idx_type	tex_coord_index = `-1`
	)

Create a new corner with the given attributes.

Parameters

[in]	position_index	the corner's position as index into an attribute vector
[in]	normal_index	the corner's normal as index into an attribute vector, or -1 if no normal
[in]	tex_coord_index	the corner's texture coordinate as index into an attribute vector, or -1 if no texture coordinate

Returns: the index of the newly created corner

Definition at line 87 of file simple_mesh.cxx.

Referenced by cgv::media::mesh::simple_mesh< T >::ambo(), cgv::media::mesh::simple_mesh< T >::dual(), cgv::render::extract_mesh(), cgv::media::mesh::simple_mesh< T >::gyro(), cgv::media::mesh::simple_mesh< T >::join(), cgv::render::gl::gl_implicit_surface_drawable_base::new_polygon(), cgv::media::mesh::simple_mesh< T >::snub(), and cgv::media::mesh::simple_mesh< T >::truncate().

◆ new_group()

idx_type cgv::media::mesh::simple_mesh_base::new_group ( const std::string & name )

inline

add a new group and return its index

Definition at line 146 of file simple_mesh.h.

Referenced by cgv::render::extract_mesh().

◆ new_material()

idx_type cgv::media::mesh::simple_mesh_base::new_material ( )

inline

add a new material and return its index

Definition at line 130 of file simple_mesh.h.

Referenced by cgv::render::extract_mesh().

◆ operator=() [1/2]

simple_mesh_base & cgv::media::mesh::simple_mesh_base::operator= ( const simple_mesh_base & smb )

assignment operator

Definition at line 52 of file simple_mesh.cxx.

References cgv::media::colored_model::operator=().

Referenced by cgv::media::mesh::simple_mesh< T >::operator=(), and cgv::media::mesh::simple_mesh< T >::operator=().

◆ operator=() [2/2]

simple_mesh_base & cgv::media::mesh::simple_mesh_base::operator= ( simple_mesh_base && smb )

move assignment operator

Definition at line 65 of file simple_mesh.cxx.

References cgv::media::colored_model::operator=().

◆ ref_material()

mat_type & cgv::media::mesh::simple_mesh_base::ref_material ( size_t i )

inline

return reference to i-th material

Definition at line 134 of file simple_mesh.h.

Referenced by cgv::render::extract_mesh().

◆ revert_face_orientation()

void cgv::media::mesh::simple_mesh_base::revert_face_orientation ( )

revert face orientation

Definition at line 97 of file simple_mesh.cxx.

References begin_corner(), end_corner(), and get_nr_faces().

◆ sort_faces()

void cgv::media::mesh::simple_mesh_base::sort_faces	(	std::vector< idx_type > &	perm,
		bool	by_group = `true`,
		bool	by_material = `true`
	)		const

Calculate a permutation of face indices which sorts them by group and/or material.

Parameters

[out]	perm	The sorting permutation.
[in]	by_group	True if the faces should be sorted by group, false otherwise.
[in]	by_material	True if the faces should be sorted by material, false otherwise.

See also: simple_mesh::extract_triangle_element_buffer() for applying the sorting permutation

Definition at line 115 of file simple_mesh.cxx.

References get_nr_groups(), and get_nr_materials().

Referenced by cgv::render::mesh_render_info::construct_index_buffers().

◆ start_face()

simple_mesh_base::idx_type cgv::media::mesh::simple_mesh_base::start_face ( )

Create a new empty face to which new corners are added.

Returns: The index to the newly created face.

Definition at line 78 of file simple_mesh.cxx.

Referenced by cgv::media::mesh::simple_mesh< T >::ambo(), cgv::media::mesh::simple_mesh< T >::dual(), cgv::render::extract_mesh(), cgv::media::mesh::simple_mesh< T >::gyro(), cgv::media::mesh::simple_mesh< T >::join(), cgv::render::gl::gl_implicit_surface_drawable_base::new_polygon(), cgv::media::mesh::simple_mesh< T >::snub(), and cgv::media::mesh::simple_mesh< T >::truncate().

Member Data Documentation

◆ faces

std::vector<idx_type> cgv::media::mesh::simple_mesh_base::faces

protected

Definition at line 62 of file simple_mesh.h.

◆ group_indices

std::vector<idx_type> cgv::media::mesh::simple_mesh_base::group_indices

protected

Definition at line 63 of file simple_mesh.h.

◆ group_names

std::vector<std::string> cgv::media::mesh::simple_mesh_base::group_names

protected

Definition at line 64 of file simple_mesh.h.

◆ material_indices

std::vector<idx_type> cgv::media::mesh::simple_mesh_base::material_indices

protected

Definition at line 65 of file simple_mesh.h.

◆ materials

std::vector<mat_type> cgv::media::mesh::simple_mesh_base::materials

protected

Definition at line 66 of file simple_mesh.h.

◆ normal_indices

std::vector<idx_type> cgv::media::mesh::simple_mesh_base::normal_indices

protected

Definition at line 60 of file simple_mesh.h.

◆ position_indices

std::vector<idx_type> cgv::media::mesh::simple_mesh_base::position_indices

protected

Definition at line 58 of file simple_mesh.h.

◆ tangent_indices

std::vector<idx_type> cgv::media::mesh::simple_mesh_base::tangent_indices

protected

Definition at line 61 of file simple_mesh.h.

◆ tex_coord_indices

std::vector<idx_type> cgv::media::mesh::simple_mesh_base::tex_coord_indices

protected

Definition at line 59 of file simple_mesh.h.

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

cgv/media/mesh/simple_mesh.h
cgv/media/mesh/simple_mesh.cxx

Public Types

Public Member Functions

Static Public Member Functions

Protected Attributes

Detailed Description

Member Typedef Documentation

◆ idx2_type

◆ idx3_type

◆ idx4_type

◆ idx_type

◆ mat_type

Member Enumeration Documentation

◆ attribute_type

◆ AttributeFlags

Constructor & Destructor Documentation

◆ simple_mesh_base() [1/3]

◆ simple_mesh_base() [2/3]

◆ simple_mesh_base() [3/3]

Member Function Documentation

◆ begin_corner()

◆ c2n()

◆ c2p()

◆ c2t()

◆ compute_c2e()

◆ compute_c2f()

◆ compute_inv()

◆ end_corner()

◆ extract_triangle_element_buffer()

◆ extract_vertex_attribute_buffer_base()

◆ extract_wireframe_element_buffer()

◆ face_degree()

◆ get_attribute_flag()

◆ get_attribute_name()

◆ get_coord_size()

◆ get_material()

◆ get_nr_corners()

◆ get_nr_faces()

◆ get_nr_groups()

◆ get_nr_materials()

◆ get_nr_positions()

◆ group_index() [1/2]

◆ group_index() [2/2]

◆ group_name() [1/2]

◆ group_name() [2/2]

◆ has_normal_indices()

◆ has_tex_coord_indices()

◆ material_index() [1/2]

◆ material_index() [2/2]

◆ merge_indices()

◆ new_corner()

◆ new_group()

◆ new_material()

◆ operator=() [1/2]

◆ operator=() [2/2]

◆ ref_material()

◆ revert_face_orientation()

◆ sort_faces()

◆ start_face()

Member Data Documentation

◆ faces

◆ group_indices

◆ group_names

◆ material_indices

◆ materials

◆ normal_indices

◆ position_indices

◆ tangent_indices

◆ tex_coord_indices