the simple_mesh class is templated over the coordinate type that defaults to float More...

#include <simple_mesh.h>

Inheritance diagram for cgv::media::mesh::simple_mesh< T >:

Public Types
using	numeric_type = T

typedef simple_mesh< T >	mesh_type
	type of axis aligned 3d box

typedef cgv::media::axis_aligned_box< T, 3 >	box_type
	type of axis aligned 3d box

typedef cgv::math::fvec< T, 2 >	vec2_type
	type of 2d vector

typedef cgv::math::fvec< T, 3 >	vec3_type
	type of 3d vector

typedef cgv::math::fmat< T, 3, 3 >	mat3_type
	linear transformation

Public Types inherited from cgv::media::mesh::simple_mesh_base
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
	simple_mesh (const simple_mesh< T > &sm)
	copy constructor

	simple_mesh (simple_mesh< T > &&sm)
	move constructor

	simple_mesh (const std::string &conway_notation="")
	assignment operator

simple_mesh< T > &	operator= (const simple_mesh< T > &sm)
	assignment operator

simple_mesh< T > &	operator= (simple_mesh< T > &&sm)
	move assignment operator

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

void	clear ()
	clear simple mesh

idx_type	new_position (const vec3_type &p)
	add a new position and return position index

idx_type	get_nr_positions () const
	access to positions

vec3_type &	position (idx_type pi)

const vec3_type &	position (idx_type pi) const

const std::vector< vec3_type > &	get_positions () const

std::vector< vec3_type > &	ref_positions ()

idx_type	new_normal (const vec3_type &n)
	add a new normal and return normal index

bool	has_normals () const
	access to normals

idx_type	get_nr_normals () const

vec3_type &	normal (idx_type ni)

const vec3_type &	normal (idx_type ni) const

const std::vector< vec3_type > &	get_normals () const

idx_type	new_tangent (const vec3_type &tc)
	add a new tangent and return tangent index

bool	has_tangents () const
	access to tangents

idx_type	get_nr_tangents () const

vec3_type &	tangent (idx_type ti)

const vec3_type &	tangent (idx_type ti) const

idx_type	new_tex_coord (const vec2_type &tc)
	add a new texture coordinate and return texture coordinate index

bool	has_tex_coords () const
	access to texture coordinates

idx_type	get_nr_tex_coords () const

vec2_type &	tex_coord (idx_type ti)

const vec2_type &	tex_coord (idx_type ti) const

bool	compute_face_normal (idx_type fi, vec3_type &nml, bool normalize=true) const
	compute the normal nml of a face and return whether this was possible

vec3_type	compute_face_center (idx_type fi) const
	compute face center

void	compute_face_normals (bool construct_normal_indices=true)
	compute per face normals (ensure that per corner normal indices are set correspondingly)

void	compute_face_tangents (bool construct_tangent_indices=true)
	compute per face tangents (ensure that per corner tangent indices are set correspondingly)

void	ambo ()
	Conway ambo operator.

void	truncate (T lambda=0.33333f)
	Conway truncate operator.

void	snub (T lambda=0.33333f)
	Conway snub operator.

void	dual ()
	Conway dual operator.

void	gyro (T lambda=0.3333f)
	Conway gyro operator.

void	join ()
	Conway join operator.

void	ortho ()
	Conway ortho operator.

void	construct_conway_polyhedron (const std::string &conway_notation)
	construct new mesh according to Conway polyhedron notation: [a\|t\|s\|d\|g\|j\|o]*[T\|C\|O\|D\|I] which is evaluated from right to left and last capital letter is Platonic solid and lowercase letters are Conway operations

box_type	compute_box () const
	compute the axis aligned bounding box

void	compute_vertex_normals (bool use_parallel_implementation=true)
	compute vertex normals by averaging triangle normals

void	construct (const obj_loader_generic< T > &loader, bool copy_grp_info, bool copy_material_info)
	construct from obj loader

bool	read (const std::string &file_name)
	read simple mesh from file (currently only obj and stl are supported)

bool	write (const std::string &file_name) const
	write simple mesh to file (currently only obj is supported)

unsigned	extract_vertex_attribute_buffer (const std::vector< idx4_type > &unique_quadruples, bool include_tex_coords, bool include_normals, bool include_tangents, std::vector< T > &attrib_buffer, bool include_colors_ptr=0, int num_floats_in_vertex=nullptr) const
	Extract vertex attribute array and element array buffers for triangulation and edges in wireframe.

void	transform (const mat3_type &linear_transformation, const vec3_type &translation)
	apply transformation to mesh

void	transform (const mat3_type &linear_transform, const vec3_type &translation, const mat3_type &inverse_linear_transform)
	apply transformation to mesh with given inverse linear transformation

Public Member Functions inherited from cgv::media::mesh::simple_mesh_base
	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

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

Protected Member Functions
bool	has_attribute (attribute_type attr) const

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

size_t	get_attribute_size (attribute_type attr) const

size_t	get_attribute_offset (attribute_type attr) const

vec3_type	compute_normal (const vec3_type &p0, const vec3_type &p1, const vec3_type &p2)

Protected Attributes
std::vector< vec3_type >	positions

std::vector< vec3_type >	normals

std::vector< vec3_type >	tangents

std::vector< vec2_type >	tex_coords

Protected Attributes inherited from cgv::media::mesh::simple_mesh_base
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

Friends
class	simple_mesh_obj_reader< T >

Additional Inherited Members
Static Public Member Functions inherited from cgv::media::mesh::simple_mesh_base
static std::string	get_attribute_name (attribute_type attr)

static AttributeFlags	get_attribute_flag (attribute_type attr)

Detailed Description

template<typename T = float>
class cgv::media::mesh::simple_mesh< T >

the simple_mesh class is templated over the coordinate type that defaults to float

Definition at line 248 of file simple_mesh.h.

Member Typedef Documentation

◆ box_type

template<typename T = float>

typedef cgv::media::axis_aligned_box<T, 3> cgv::media::mesh::simple_mesh< T >::box_type

type of axis aligned 3d box

Definition at line 256 of file simple_mesh.h.

◆ mat3_type

template<typename T = float>

typedef cgv::math::fmat<T, 3, 3> cgv::media::mesh::simple_mesh< T >::mat3_type

linear transformation

Definition at line 262 of file simple_mesh.h.

◆ mesh_type

template<typename T = float>

typedef simple_mesh<T> cgv::media::mesh::simple_mesh< T >::mesh_type

type of axis aligned 3d box

Definition at line 254 of file simple_mesh.h.

◆ numeric_type

template<typename T = float>

using cgv::media::mesh::simple_mesh< T >::numeric_type = T

Definition at line 251 of file simple_mesh.h.

◆ vec2_type

template<typename T = float>

typedef cgv::math::fvec<T, 2> cgv::media::mesh::simple_mesh< T >::vec2_type

type of 2d vector

Definition at line 258 of file simple_mesh.h.

◆ vec3_type

template<typename T = float>

typedef cgv::math::fvec<T, 3> cgv::media::mesh::simple_mesh< T >::vec3_type

type of 3d vector

Definition at line 260 of file simple_mesh.h.

Constructor & Destructor Documentation

◆ simple_mesh() [1/3]

template<typename T >

cgv::media::mesh::simple_mesh< T >::simple_mesh ( const simple_mesh< T > & sm )

copy constructor

Definition at line 532 of file simple_mesh.cxx.

◆ simple_mesh() [2/3]

template<typename T >

cgv::media::mesh::simple_mesh< T >::simple_mesh ( simple_mesh< T > && sm )

move constructor

Definition at line 539 of file simple_mesh.cxx.

◆ simple_mesh() [3/3]

template<typename T >

cgv::media::mesh::simple_mesh< T >::simple_mesh ( const std::string & conway_notation = "" )

assignment operator

Definition at line 997 of file simple_mesh.cxx.

Member Function Documentation

◆ ambo()

template<typename T >

void cgv::media::mesh::simple_mesh< T >::ambo ( )

Conway ambo operator.

Definition at line 1002 of file simple_mesh.cxx.

References cgv::media::mesh::simple_mesh< T >::compute_face_normals(), cgv::media::mesh::simple_mesh_base::new_corner(), cgv::media::mesh::simple_mesh< T >::new_position(), and cgv::media::mesh::simple_mesh_base::start_face().

◆ clear()

template<typename T >

void cgv::media::mesh::simple_mesh< T >::clear ( )

clear simple mesh

Definition at line 571 of file simple_mesh.cxx.

Referenced by cgv::render::gl::gl_implicit_surface_drawable_base::extract_mesh(), cgv::render::extract_mesh(), and cgv::render::gl::mesh_drawable::read_mesh().

◆ compute_box()

template<typename T >

simple_mesh< T >::box_type cgv::media::mesh::simple_mesh< T >::compute_box ( ) const

compute the axis aligned bounding box

Definition at line 779 of file simple_mesh.cxx.

References cgv::media::axis_aligned_box< T, N >::add_point().

Referenced by cgv::render::gl::mesh_drawable::read_mesh().

◆ compute_face_center()

template<typename T >

simple_mesh< T >::vec3_type cgv::media::mesh::simple_mesh< T >::compute_face_center ( idx_type fi ) const

compute face center

Definition at line 888 of file simple_mesh.cxx.

◆ compute_face_normal()

template<typename T >

bool cgv::media::mesh::simple_mesh< T >::compute_face_normal	(	idx_type	fi,
		vec3_type &	nml,
		bool	normalize = `true`
	)		const

compute the normal nml of a face and return whether this was possible

Definition at line 899 of file simple_mesh.cxx.

References cgv::math::fvec< T, N >::length().

◆ compute_face_normals()

template<typename T >

void cgv::media::mesh::simple_mesh< T >::compute_face_normals ( bool construct_normal_indices = true )

compute per face normals (ensure that per corner normal indices are set correspondingly)

Definition at line 923 of file simple_mesh.cxx.

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

◆ compute_face_tangents()

template<typename T >

void cgv::media::mesh::simple_mesh< T >::compute_face_tangents ( bool construct_tangent_indices = true )

compute per face tangents (ensure that per corner tangent indices are set correspondingly)

Definition at line 944 of file simple_mesh.cxx.

References cgv::math::fvec< T, N >::normalize(), cgv::math::fvec< T, N >::x(), cgv::math::fvec< T, N >::y(), and cgv::math::fvec< T, N >::z().

◆ compute_normal()

template<typename T >

simple_mesh< T >::vec3_type cgv::media::mesh::simple_mesh< T >::compute_normal	(	const vec3_type &	p0,
		const vec3_type &	p1,
		const vec3_type &	p2
	)

protected

Definition at line 940 of file simple_mesh.cxx.

◆ compute_vertex_normals()

template<typename T >

void cgv::media::mesh::simple_mesh< T >::compute_vertex_normals ( bool use_parallel_implementation = true )

compute vertex normals by averaging triangle normals

Definition at line 788 of file simple_mesh.cxx.

References cgv::math::fvec< T, N >::normalize().

◆ construct()

template<typename T >

void cgv::media::mesh::simple_mesh< T >::construct	(	const obj_loader_generic< T > &	loader,
		bool	copy_grp_info,
		bool	copy_material_info
	)

construct from obj loader

Definition at line 433 of file simple_mesh.cxx.

◆ construct_conway_polyhedron()

template<typename T >

void cgv::media::mesh::simple_mesh< T >::construct_conway_polyhedron ( const std::string & conway_notation )

construct new mesh according to Conway polyhedron notation: [a|t|s|d|g|j|o]*[T|C|O|D|I] which is evaluated from right to left and last capital letter is Platonic solid and lowercase letters are Conway operations

Definition at line 1247 of file simple_mesh.cxx.

◆ dual()

template<typename T >

void cgv::media::mesh::simple_mesh< T >::dual ( )

Conway dual operator.

Definition at line 1119 of file simple_mesh.cxx.

References cgv::media::mesh::simple_mesh< T >::compute_face_normals(), cgv::media::mesh::simple_mesh_base::new_corner(), cgv::media::mesh::simple_mesh< T >::new_position(), cgv::math::fvec< T, N >::normalize(), and cgv::media::mesh::simple_mesh_base::start_face().

◆ extract_vertex_attribute_buffer()

template<typename T >

unsigned cgv::media::mesh::simple_mesh< T >::extract_vertex_attribute_buffer	(	const std::vector< idx4_type > &	unique_quadruples,
		bool	include_tex_coords,
		bool	include_normals,
		bool	include_tangents,
		std::vector< T > &	attrib_buffer,
		bool *	include_colors_ptr = `0`,
		int *	num_floats_in_vertex = `nullptr`
	)		const

Extract vertex attribute array and element array buffers for triangulation and edges in wireframe.

Parameters

unique_quadruples	A list of unique n-tuples where each entry is an index into attribute vectors of simple_mesh.
include_tex_coords	True if texture coordinates should be written into the vertex buffer, false otherwise.
include_normals	True if normals should be written into the vertex buffer, false otherwise.
include_tangents	True if tangents should be written into the vertex buffer, false otherwise.
attrib_buffer	will contain the vertex attribute data in interleaved form.
include_colors_ptr	If nullptr then the vertex buffer won't contain colors, otherwise it will be set to true if the mesh even contains colors or false if not.
num_floats_in_vertex	If not nullptr will be set to the number of floats which make up one vertex with all its attributes.

Returns: The size of one color in bytes.

Definition at line 821 of file simple_mesh.cxx.

◆ get_attribute_offset()

template<typename T = float>

size_t cgv::media::mesh::simple_mesh< T >::get_attribute_offset ( attribute_type attr ) const

inlineprotectedvirtual

Implements cgv::media::mesh::simple_mesh_base.

Definition at line 302 of file simple_mesh.h.

◆ get_attribute_ptr()

template<typename T = float>

const uint8_t * cgv::media::mesh::simple_mesh< T >::get_attribute_ptr	(	attribute_type	attr,
		idx_type	ai = `0`
	)		const

inlineprotectedvirtual

Implements cgv::media::mesh::simple_mesh_base.

Definition at line 280 of file simple_mesh.h.

◆ get_attribute_size()

template<typename T = float>

size_t cgv::media::mesh::simple_mesh< T >::get_attribute_size ( attribute_type attr ) const

inlineprotectedvirtual

Implements cgv::media::mesh::simple_mesh_base.

Definition at line 291 of file simple_mesh.h.

◆ get_coord_size()

template<typename T = float>

uint32_t cgv::media::mesh::simple_mesh< T >::get_coord_size ( ) const

inlinevirtual

return the size of one coordinate in bytes

Implements cgv::media::mesh::simple_mesh_base.

Definition at line 322 of file simple_mesh.h.

◆ get_normals()

template<typename T = float>

const std::vector< vec3_type > & cgv::media::mesh::simple_mesh< T >::get_normals ( ) const

inline

Definition at line 342 of file simple_mesh.h.

◆ get_nr_normals()

template<typename T = float>

idx_type cgv::media::mesh::simple_mesh< T >::get_nr_normals ( ) const

inline

Definition at line 339 of file simple_mesh.h.

◆ get_nr_positions()

template<typename T = float>

idx_type cgv::media::mesh::simple_mesh< T >::get_nr_positions ( ) const

inlinevirtual

access to positions

Implements cgv::media::mesh::simple_mesh_base.

Definition at line 329 of file simple_mesh.h.

Referenced by cgv::render::gl::gl_implicit_surface_drawable_base::draw_implicit_surface(), and cgv::render::extract_mesh().

◆ get_nr_tangents()

template<typename T = float>

idx_type cgv::media::mesh::simple_mesh< T >::get_nr_tangents ( ) const

inline

Definition at line 348 of file simple_mesh.h.

◆ get_nr_tex_coords()

template<typename T = float>

idx_type cgv::media::mesh::simple_mesh< T >::get_nr_tex_coords ( ) const

inline

Definition at line 356 of file simple_mesh.h.

◆ get_positions()

template<typename T = float>

const std::vector< vec3_type > & cgv::media::mesh::simple_mesh< T >::get_positions ( ) const

inline

Definition at line 332 of file simple_mesh.h.

◆ gyro()

template<typename T >

void cgv::media::mesh::simple_mesh< T >::gyro ( T lambda = 0.3333f )

Conway gyro operator.

Definition at line 1151 of file simple_mesh.cxx.

References cgv::media::mesh::simple_mesh< T >::compute_face_normals(), cgv::media::mesh::simple_mesh_base::new_corner(), cgv::media::mesh::simple_mesh< T >::new_position(), cgv::math::fvec< T, N >::normalize(), and cgv::media::mesh::simple_mesh_base::start_face().

◆ has_attribute()

template<typename T = float>

bool cgv::media::mesh::simple_mesh< T >::has_attribute ( attribute_type attr ) const

inlineprotectedvirtual

Implements cgv::media::mesh::simple_mesh_base.

Definition at line 269 of file simple_mesh.h.

◆ has_normals()

template<typename T = float>

bool cgv::media::mesh::simple_mesh< T >::has_normals ( ) const

inline

access to normals

Definition at line 338 of file simple_mesh.h.

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

◆ has_tangents()

template<typename T = float>

bool cgv::media::mesh::simple_mesh< T >::has_tangents ( ) const

inline

access to tangents

Definition at line 347 of file simple_mesh.h.

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

◆ has_tex_coords()

template<typename T = float>

bool cgv::media::mesh::simple_mesh< T >::has_tex_coords ( ) const

inline

access to texture coordinates

Definition at line 355 of file simple_mesh.h.

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

◆ join()

template<typename T >

void cgv::media::mesh::simple_mesh< T >::join ( )

Conway join operator.

Definition at line 1197 of file simple_mesh.cxx.

References cgv::media::mesh::simple_mesh< T >::compute_face_normals(), cgv::media::mesh::simple_mesh_base::new_corner(), cgv::media::mesh::simple_mesh< T >::new_position(), cgv::math::fvec< T, N >::normalize(), and cgv::media::mesh::simple_mesh_base::start_face().

◆ new_normal()

template<typename T = float>

idx_type cgv::media::mesh::simple_mesh< T >::new_normal ( const vec3_type & n )

inline

add a new normal and return normal index

Definition at line 336 of file simple_mesh.h.

Referenced by cgv::render::extract_mesh(), and cgv::render::gl::gl_implicit_surface_drawable_base::new_polygon().

◆ new_position()

template<typename T = float>

idx_type cgv::media::mesh::simple_mesh< T >::new_position ( const vec3_type & p )

inline

add a new position and return position index

Definition at line 327 of file simple_mesh.h.

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_vertex(), cgv::media::mesh::simple_mesh< T >::snub(), and cgv::media::mesh::simple_mesh< T >::truncate().

◆ new_tangent()

template<typename T = float>

idx_type cgv::media::mesh::simple_mesh< T >::new_tangent ( const vec3_type & tc )

inline

add a new tangent and return tangent index

Definition at line 345 of file simple_mesh.h.

◆ new_tex_coord()

template<typename T = float>

idx_type cgv::media::mesh::simple_mesh< T >::new_tex_coord ( const vec2_type & tc )

inline

add a new texture coordinate and return texture coordinate index

Definition at line 353 of file simple_mesh.h.

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

◆ normal() [1/2]

template<typename T = float>

vec3_type & cgv::media::mesh::simple_mesh< T >::normal ( idx_type ni )

inline

Definition at line 340 of file simple_mesh.h.

◆ normal() [2/2]

template<typename T = float>

const vec3_type & cgv::media::mesh::simple_mesh< T >::normal ( idx_type ni ) const

inline

Definition at line 341 of file simple_mesh.h.

◆ operator=() [1/2]

template<typename T >

simple_mesh< T > & cgv::media::mesh::simple_mesh< T >::operator= ( const simple_mesh< T > & sm )

assignment operator

Definition at line 547 of file simple_mesh.cxx.

References cgv::media::mesh::simple_mesh_base::operator=().

◆ operator=() [2/2]

template<typename T >

simple_mesh< T > & cgv::media::mesh::simple_mesh< T >::operator= ( simple_mesh< T > && sm )

move assignment operator

Definition at line 559 of file simple_mesh.cxx.

References cgv::media::mesh::simple_mesh_base::operator=().

◆ ortho()

template<typename T >

void cgv::media::mesh::simple_mesh< T >::ortho ( )

Conway ortho operator.

Definition at line 1242 of file simple_mesh.cxx.

◆ position() [1/2]

template<typename T = float>

vec3_type & cgv::media::mesh::simple_mesh< T >::position ( idx_type pi )

inline

Definition at line 330 of file simple_mesh.h.

◆ position() [2/2]

template<typename T = float>

const vec3_type & cgv::media::mesh::simple_mesh< T >::position ( idx_type pi ) const

inline

Definition at line 331 of file simple_mesh.h.

◆ read()

template<typename T >

bool cgv::media::mesh::simple_mesh< T >::read ( const std::string & file_name )

read simple mesh from file (currently only obj and stl are supported)

read simple mesh from file

Definition at line 694 of file simple_mesh.cxx.

References stl_reader::StlMesh< TNumber, TIndex >::num_tris(), stl_reader::StlMesh< TNumber, TIndex >::num_vrts(), stl_reader::StlMesh< TNumber, TIndex >::raw_normals(), cgv::media::mesh::obj_reader_base::read_obj(), cgv::utils::to_lower(), stl_reader::StlMesh< TNumber, TIndex >::tri_corner_ind(), stl_reader::StlMesh< TNumber, TIndex >::tri_normal(), and stl_reader::StlMesh< TNumber, TIndex >::vrt_coords().

Referenced by vr::get_vrmesh_render_info(), vr_test::init(), and cgv::render::gl::mesh_drawable::read_mesh().

◆ ref_positions()

template<typename T = float>

std::vector< vec3_type > & cgv::media::mesh::simple_mesh< T >::ref_positions ( )

inline

Definition at line 333 of file simple_mesh.h.

◆ snub()

template<typename T >

void cgv::media::mesh::simple_mesh< T >::snub ( T lambda = 0.33333f )

Conway snub operator.

Definition at line 1074 of file simple_mesh.cxx.

References cgv::media::mesh::simple_mesh< T >::compute_face_normals(), cgv::media::mesh::simple_mesh_base::new_corner(), cgv::media::mesh::simple_mesh< T >::new_position(), and cgv::media::mesh::simple_mesh_base::start_face().

◆ tangent() [1/2]

template<typename T = float>

vec3_type & cgv::media::mesh::simple_mesh< T >::tangent ( idx_type ti )

inline

Definition at line 349 of file simple_mesh.h.

◆ tangent() [2/2]

template<typename T = float>

const vec3_type & cgv::media::mesh::simple_mesh< T >::tangent ( idx_type ti ) const

inline

Definition at line 350 of file simple_mesh.h.

◆ tex_coord() [1/2]

template<typename T = float>

vec2_type & cgv::media::mesh::simple_mesh< T >::tex_coord ( idx_type ti )

inline

Definition at line 357 of file simple_mesh.h.

◆ tex_coord() [2/2]

template<typename T = float>

const vec2_type & cgv::media::mesh::simple_mesh< T >::tex_coord ( idx_type ti ) const

inline

Definition at line 358 of file simple_mesh.h.

◆ transform() [1/2]

template<typename T >

void cgv::media::mesh::simple_mesh< T >::transform	(	const mat3_type &	linear_transform,
		const vec3_type &	translation,
		const mat3_type &	inverse_linear_transform
	)

apply transformation to mesh with given inverse linear transformation

Definition at line 878 of file simple_mesh.cxx.

◆ transform() [2/2]

template<typename T >

void cgv::media::mesh::simple_mesh< T >::transform	(	const mat3_type &	linear_transformation,
		const vec3_type &	translation
	)

apply transformation to mesh

Definition at line 873 of file simple_mesh.cxx.

◆ truncate()

template<typename T >

void cgv::media::mesh::simple_mesh< T >::truncate ( T lambda = 0.33333f )

Conway truncate operator.

Definition at line 1038 of file simple_mesh.cxx.

References cgv::media::mesh::simple_mesh< T >::compute_face_normals(), cgv::media::mesh::simple_mesh_base::new_corner(), cgv::media::mesh::simple_mesh< T >::new_position(), and cgv::media::mesh::simple_mesh_base::start_face().

◆ write()

template<typename T >

bool cgv::media::mesh::simple_mesh< T >::write ( const std::string & file_name ) const

write simple mesh to file (currently only obj is supported)

Definition at line 745 of file simple_mesh.cxx.

Friends And Related Symbol Documentation

◆ simple_mesh_obj_reader< T >

template<typename T = float>

friend class simple_mesh_obj_reader< T >

friend

Definition at line 262 of file simple_mesh.h.

Member Data Documentation

◆ normals

template<typename T = float>

std::vector<vec3_type> cgv::media::mesh::simple_mesh< T >::normals

protected

Definition at line 266 of file simple_mesh.h.

◆ positions

template<typename T = float>

std::vector<vec3_type> cgv::media::mesh::simple_mesh< T >::positions

protected

Definition at line 265 of file simple_mesh.h.

◆ tangents

template<typename T = float>

std::vector<vec3_type> cgv::media::mesh::simple_mesh< T >::tangents

protected

Definition at line 267 of file simple_mesh.h.

◆ tex_coords

template<typename T = float>

std::vector<vec2_type> cgv::media::mesh::simple_mesh< T >::tex_coords

protected

Definition at line 268 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

Protected Member Functions

Protected Attributes

Friends

Additional Inherited Members

Detailed Description

Member Typedef Documentation

◆ box_type

◆ mat3_type

◆ mesh_type

◆ numeric_type

◆ vec2_type

◆ vec3_type

Constructor & Destructor Documentation

◆ simple_mesh() [1/3]

◆ simple_mesh() [2/3]

◆ simple_mesh() [3/3]

Member Function Documentation

◆ ambo()

◆ clear()

◆ compute_box()

◆ compute_face_center()

◆ compute_face_normal()

◆ compute_face_normals()

◆ compute_face_tangents()

◆ compute_normal()

◆ compute_vertex_normals()

◆ construct()

◆ construct_conway_polyhedron()

◆ dual()

◆ extract_vertex_attribute_buffer()

◆ get_attribute_offset()

◆ get_attribute_ptr()

◆ get_attribute_size()

◆ get_coord_size()

◆ get_normals()

◆ get_nr_normals()

◆ get_nr_positions()

◆ get_nr_tangents()

◆ get_nr_tex_coords()

◆ get_positions()

◆ gyro()

◆ has_attribute()

◆ has_normals()

◆ has_tangents()

◆ has_tex_coords()

◆ join()

◆ new_normal()

◆ new_position()

◆ new_tangent()

◆ new_tex_coord()

◆ normal() [1/2]

◆ normal() [2/2]

◆ operator=() [1/2]

◆ operator=() [2/2]

◆ ortho()

◆ position() [1/2]

◆ position() [2/2]

◆ read()

◆ ref_positions()

◆ snub()

◆ tangent() [1/2]

◆ tangent() [2/2]

◆ tex_coord() [1/2]

◆ tex_coord() [2/2]

◆ transform() [1/2]

◆ transform() [2/2]

◆ truncate()

◆ write()

Friends And Related Symbol Documentation

◆ simple_mesh_obj_reader< T >

Member Data Documentation

◆ normals

◆ positions

◆ tangents

◆ tex_coords