#include <CMesh2D.hpp>

Inheritance diagram for polyfem::mesh::CMesh2D:

Collaboration diagram for polyfem::mesh::CMesh2D:

Public Member Functions
	CMesh2D ()=default

virtual	~CMesh2D ()=default

	CMesh2D (CMesh2D &&)=delete

CMesh2D &	operator= (CMesh2D &&)=delete

	CMesh2D (const CMesh2D &)=delete

CMesh2D &	operator= (const CMesh2D &)=delete

void	refine (const int n_refinement, const double t) override
	refine the mesh

bool	is_conforming () const override
	if the mesh is conforming

int	n_faces () const override
	number of faces

int	n_edges () const override
	number of edges

int	n_vertices () const override
	number of vertices

int	n_face_vertices (const int f_id) const override
	number of vertices of a face

int	face_vertex (const int f_id, const int lv_id) const override
	id of the face vertex

int	edge_vertex (const int e_id, const int lv_id) const override
	id of the edge vertex

int	cell_vertex (const int f_id, const int lv_id) const override
	id of the vertex of a cell

bool	is_boundary_vertex (const int vertex_global_id) const override
	is vertex boundary

bool	is_boundary_edge (const int edge_global_id) const override
	is edge boundary

bool	is_boundary_element (const int element_global_id) const override
	is cell boundary

bool	save (const std::string &path) const override

bool	build_from_matrices (const Eigen::MatrixXd &V, const Eigen::MatrixXi &F) override
	build a mesh from matrices

void	attach_higher_order_nodes (const Eigen::MatrixXd &V, const std::vector< std::vector< int > > &nodes) override
	attach high order nodes

RowVectorNd	edge_node (const Navigation::Index &index, const int n_new_nodes, const int i) const override

RowVectorNd	face_node (const Navigation::Index &index, const int n_new_nodes, const int i, const int j) const override

void	normalize () override
	normalize the mesh

double	edge_length (const int gid) const override
	edge length

void	compute_elements_tag () override
	compute element types, see ElementType

virtual void	update_elements_tag () override
	Update elements types.

void	set_point (const int global_index, const RowVectorNd &p) override
	Set the point.

virtual RowVectorNd	point (const int global_index) const override
	point coordinates

virtual RowVectorNd	edge_barycenter (const int index) const override
	edge barycenter

virtual void	bounding_box (RowVectorNd &min, RowVectorNd &max) const override
	computes the bbox of the mesh

void	compute_boundary_ids (const double eps) override
	computes the selection based on the bbx of the mesh.

void	compute_boundary_ids (const std::function< int(const RowVectorNd &)> &marker) override
	computes boundary selections based on a function

void	compute_boundary_ids (const std::function< int(const RowVectorNd &, bool)> &marker) override
	computes boundary selections based on a function

void	compute_boundary_ids (const std::function< int(const size_t, const RowVectorNd &, bool)> &marker) override
	computes boundary selections based on a function

void	compute_boundary_ids (const std::function< int(const std::vector< int > &, bool)> &marker) override
	computes boundary selections based on a function

void	compute_boundary_ids (const std::function< int(const size_t, const std::vector< int > &, const RowVectorNd &, bool)> &marker) override
	computes boundary selections based on a function

void	compute_body_ids (const std::function< int(const size_t, const RowVectorNd &)> &marker) override
	computes boundary selections based on a function

Navigation::Index	get_index_from_face (int f, int lv=0) const override

Navigation::Index	switch_vertex (Navigation::Index idx) const override

Navigation::Index	switch_edge (Navigation::Index idx) const override

Navigation::Index	switch_face (Navigation::Index idx) const override

void	triangulate_faces (Eigen::MatrixXi &tris, Eigen::MatrixXd &pts, std::vector< int > &ranges) const override
	generate a triangular representation of every face

void	append (const Mesh &mesh) override
	appends a new mesh to the end of this

std::unique_ptr< Mesh >	copy () const override
	Create a copy of the mesh.

Public Member Functions inherited from polyfem::mesh::Mesh2D
	Mesh2D ()=default

virtual	~Mesh2D ()=default

	Mesh2D (Mesh2D &&)=default

Mesh2D &	operator= (Mesh2D &&)=default

	Mesh2D (const Mesh2D &)=default

Mesh2D &	operator= (const Mesh2D &)=default

bool	is_volume () const override
	checks if mesh is volume

int	n_cells () const override
	number of cells

int	n_cell_vertices (const int c_id) const override
	number of vertices of a cell

bool	is_boundary_face (const int face_global_id) const override
	is face boundary

RowVectorNd	cell_barycenter (const int index) const override
	cell barycenter

void	compute_face_jacobian (const int el_id, const Eigen::MatrixXd &reference_map, Eigen::MatrixXd &jacobian) const

void	barycentric_coords (const RowVectorNd &p, const int el_id, Eigen::MatrixXd &coord) const override
	constructs barycentric coodiantes for a point p.

RowVectorNd	face_barycenter (const int index) const override
	face barycenter

void	compute_element_barycenters (Eigen::MatrixXd &barycenters) const override
	utility for 2d/3d.

void	elements_boxes (std::vector< std::array< Eigen::Vector3d, 2 > > &boxes) const override
	constructs a box around every element (3d cell, 2d face)

Navigation::Index	next_around_face (Navigation::Index idx) const

Navigation::Index	next_around_vertex (Navigation::Index idx) const

void	get_edges (Eigen::MatrixXd &p0, Eigen::MatrixXd &p1) const override
	Get all the edges.

void	get_edges (Eigen::MatrixXd &p0, Eigen::MatrixXd &p1, const std::vector< bool > &valid_elements) const override
	Get all the edges according to valid_elements selection.

Public Member Functions inherited from polyfem::mesh::Mesh
virtual	~Mesh ()=default
	Destroy the Mesh object.

	Mesh (Mesh &&)=default
	Construct a new Mesh object.

Mesh &	operator= (Mesh &&)=default
	Copy constructor.

	Mesh (const Mesh &)=default
	Construct a new Mesh object.

Mesh &	operator= (const Mesh &)=default

int	dimension () const
	utily for dimension

int	n_elements () const
	utitlity to return the number of elements, cells or faces in 3d and 2d

int	n_boundary_elements () const
	utitlity to return the number of boundary elements, faces or edges in 3d and 2d

int	element_vertex (const int el_id, const int lv_id) const
	id of the vertex of a element

int	boundary_element_vertex (const int primitive_id, const int lv_id) const

const Eigen::MatrixXi &	orders () const
	order of each element

bool	is_rational () const
	check if curved mesh has rational polynomials elements

void	set_is_rational (const bool in_is_rational)
	Set the is rational object.

virtual double	quad_area (const int gid) const
	area of a quad face of an hex mesh

virtual double	tri_area (const int gid) const
	area of a tri face of a tet mesh

void	edge_barycenters (Eigen::MatrixXd &barycenters) const
	all edges barycenters

void	face_barycenters (Eigen::MatrixXd &barycenters) const
	all face barycenters

void	cell_barycenters (Eigen::MatrixXd &barycenters) const
	all cells barycenters

bool	is_spline_compatible (const int el_id) const
	checks if element is spline compatible

bool	is_cube (const int el_id) const
	checks if element is cube compatible

bool	is_polytope (const int el_id) const
	checks if element is polygon compatible

bool	is_simplex (const int el_id) const
	checks if element is simples compatible

const std::vector< ElementType > &	elements_tag () const
	Returns the elements types.

void	set_tag (const int el, const ElementType type)
	changes the element type

void	compute_node_ids (const std::function< int(const size_t, const RowVectorNd &, bool)> &marker)
	computes boundary selections based on a function

virtual void	load_boundary_ids (const std::string &path)
	loads the boundary selections for a file

virtual void	set_boundary_ids (const std::vector< int > &boundary_ids)
	Set the boundary selection from a vector.

virtual void	set_body_ids (const std::vector< int > &body_ids)
	Set the volume sections.

virtual int	get_default_boundary_id (const int primitive) const
	Get the default boundary selection of an element (face in 3d, edge in 2d)

virtual int	get_boundary_id (const int primitive) const
	Get the boundary selection of an element (face in 3d, edge in 2d)

virtual int	get_node_id (const int node_id) const
	Get the boundary selection of a node.

void	update_nodes (const Eigen::VectorXi &in_node_to_node)
	Update the node ids to reorder them.

virtual int	get_body_id (const int primitive) const
	Get the volume selection of an element (cell in 3d, face in 2d)

virtual const std::vector< int > &	get_body_ids () const
	Get the volume selection of all elements (cells in 3d, faces in 2d)

bool	has_node_ids () const
	checks if points selections are available

bool	has_boundary_ids () const
	checks if surface selections are available

virtual bool	has_body_ids () const
	checks if volumes selections are available

const std::vector< double > &	cell_weights (const int cell_index) const
	weights for rational polynomial meshes

void	set_cell_weights (const std::vector< std::vector< double > > &in_cell_weights)
	Set the cell weights for rational polynomial meshes.

virtual void	prepare_mesh ()
	method used to finalize the mesh.

bool	has_poly () const
	checks if the mesh has polytopes

bool	is_simplicial () const
	checks if the mesh is simplicial

bool	is_linear () const
	check if the mesh is linear

std::vector< std::pair< int, int > >	edges () const
	list of sorted edges.

std::vector< std::vector< int > >	faces () const
	list of sorted faces.

std::unordered_map< std::pair< int, int >, size_t, polyfem::utils::HashPair >	edges_to_ids () const
	map from edge (pair of v id) to the id of the edge

std::unordered_map< std::vector< int >, size_t, polyfem::utils::HashVector >	faces_to_ids () const
	map from face (tuple of v id) to the id of the face

const Eigen::VectorXi &	in_ordered_vertices () const
	Order of the input vertices.

const Eigen::MatrixXi &	in_ordered_edges () const
	Order of the input edges.

const Eigen::MatrixXi &	in_ordered_faces () const
	Order of the input edges.

void	append (const std::unique_ptr< Mesh > &mesh)
	appends a new mesh to the end of this, utility that takes pointer, calls other one

void	apply_affine_transformation (const MatrixNd &A, const VectorNd &b)
	Apply an affine transformation \(Ax+b\) to the vertex positions \(x\).

Protected Member Functions
bool	load (const std::string &path) override
	loads a mesh from the path

bool	load (const GEO::Mesh &mesh) override
	loads a mesh from a geo mesh

Protected Member Functions inherited from polyfem::mesh::Mesh
	Mesh ()=default
	Construct a new Mesh object.

Private Attributes
GEO::Mesh	mesh_

std::unique_ptr< GEO::Attribute< GEO::index_t > >	c2e_

std::unique_ptr< GEO::Attribute< bool > >	boundary_vertices_

std::unique_ptr< GEO::Attribute< bool > >	boundary_edges_

Additional Inherited Members
Static Public Member Functions inherited from polyfem::mesh::Mesh
static std::unique_ptr< Mesh >	create (const std::string &path, const bool non_conforming=false)
	factory to build the proper mesh

static std::unique_ptr< Mesh >	create (GEO::Mesh &M, const bool non_conforming=false)
	factory to build the proper mesh

static std::unique_ptr< Mesh >	create (const Eigen::MatrixXd &vertices, const Eigen::MatrixXi &cells, const bool non_conforming=false)
	factory to build the proper mesh

static std::unique_ptr< Mesh >	create (const int dim, const bool non_conforming=false)
	factory to build the proper empty mesh

Protected Attributes inherited from polyfem::mesh::Mesh
std::vector< ElementType >	elements_tag_
	list of element types

std::vector< int >	node_ids_
	list of node labels

std::vector< int >	boundary_ids_
	list of surface labels

std::vector< int >	body_ids_
	list of volume labels

Eigen::MatrixXi	orders_
	list of geometry orders, one per cell

bool	is_rational_ = false
	stores if the mesh is rational

std::vector< EdgeNodes >	edge_nodes_
	high-order nodes associates to edges

std::vector< FaceNodes >	face_nodes_
	high-order nodes associates to faces

std::vector< CellNodes >	cell_nodes_
	high-order nodes associates to cells

std::vector< std::vector< double > >	cell_weights_
	weights associates to cells for rational polynomail meshes

Eigen::VectorXi	in_ordered_vertices_
	Order of the input vertices.

Eigen::MatrixXi	in_ordered_edges_
	Order of the input edges.

Eigen::MatrixXi	in_ordered_faces_
	Order of the input faces, TODO: change to std::vector of Eigen::Vector.

Detailed Description

Definition at line 17 of file CMesh2D.hpp.

Constructor & Destructor Documentation

◆ CMesh2D() [1/3]

polyfem::mesh::CMesh2D::CMesh2D ( )

default

◆ ~CMesh2D()

virtual polyfem::mesh::CMesh2D::~CMesh2D ( )

virtualdefault

◆ CMesh2D() [2/3]

polyfem::mesh::CMesh2D::CMesh2D ( CMesh2D && )

delete

◆ CMesh2D() [3/3]

polyfem::mesh::CMesh2D::CMesh2D ( const CMesh2D & )

delete

Member Function Documentation

◆ append()

void polyfem::mesh::CMesh2D::append ( const Mesh & mesh )

overridevirtual

appends a new mesh to the end of this

Parameters

[in] mesh to append

Reimplemented from polyfem::mesh::Mesh.

Definition at line 686 of file CMesh2D.cpp.

References polyfem::mesh::Mesh::append(), boundary_edges_, boundary_vertices_, c2e_, mesh_, n_faces(), n_vertices(), point(), polyfem::mesh::Navigation::prepare_mesh(), and set_point().

Here is the call graph for this function:

◆ attach_higher_order_nodes()

void polyfem::mesh::CMesh2D::attach_higher_order_nodes	(	const Eigen::MatrixXd &	V,
		const std::vector< std::vector< int > > &	nodes
	)

overridevirtual

attach high order nodes

Parameters

[in]	V	nodes
[in]	nodes	list of nodes per element

Implements polyfem::mesh::Mesh.

Definition at line 197 of file CMesh2D.cpp.

References polyfem::mesh::Mesh::cell_nodes_, polyfem::mesh::Mesh::edge_nodes_, polyfem::mesh::Mesh::face_nodes_, get_index_from_face(), mesh_, n_edges(), n_faces(), polyfem::mesh::Mesh2D::next_around_face(), polyfem::mesh::Mesh::orders_, switch_vertex(), V, and polyfem::mesh::Navigation::Index::vertex.

Here is the call graph for this function:

◆ bounding_box()

void polyfem::mesh::CMesh2D::bounding_box	(	RowVectorNd &	min,
		RowVectorNd &	max
	)		const

overridevirtual

computes the bbox of the mesh

Parameters

[out]	min	min coodiante
[out]	max	max coodiante

Implements polyfem::mesh::Mesh.

Definition at line 399 of file CMesh2D.cpp.

References mesh_.

Referenced by compute_boundary_ids().

Here is the caller graph for this function:

◆ build_from_matrices()

bool polyfem::mesh::CMesh2D::build_from_matrices	(	const Eigen::MatrixXd &	V,
		const Eigen::MatrixXi &	F
	)

overridevirtual

build a mesh from matrices

Parameters

[in]	V	vertices
[in]	F	connectivity

Returns: if success

Implements polyfem::mesh::Mesh.

Definition at line 173 of file CMesh2D.cpp.

References boundary_edges_, boundary_vertices_, c2e_, polyfem::mesh::Mesh::cell_nodes_, compute_elements_tag(), polyfem::mesh::Mesh::edge_nodes_, polyfem::F, polyfem::mesh::Mesh::face_nodes_, mesh_, polyfem::mesh::orient_normals_2d(), polyfem::mesh::Navigation::prepare_mesh(), polyfem::mesh::to_geogram_mesh(), and V.

Here is the call graph for this function:

◆ cell_vertex()

int polyfem::mesh::CMesh2D::cell_vertex	(	const int	f_id,
		const int	lv_id
	)		const

inlineoverridevirtual

id of the vertex of a cell

Parameters

[in]	f_id	global cell id
[in]	lv_id	local vertex id

Returns: vertex id

Implements polyfem::mesh::Mesh.

Definition at line 41 of file CMesh2D.hpp.

References mesh_.

◆ compute_body_ids()

void polyfem::mesh::CMesh2D::compute_body_ids ( const std::function< int(const size_t, const RowVectorNd &)> & marker )

overridevirtual

computes boundary selections based on a function

Parameters

[in] marker lambda function that takes the id and barycenter and returns an integer

Implements polyfem::mesh::Mesh.

Definition at line 576 of file CMesh2D.cpp.

References polyfem::mesh::Mesh::body_ids_, polyfem::mesh::Mesh2D::face_barycenter(), and polyfem::mesh::Mesh::n_elements().

Here is the call graph for this function:

◆ compute_boundary_ids() [1/6]

void polyfem::mesh::CMesh2D::compute_boundary_ids ( const double eps )

overridevirtual

computes the selection based on the bbx of the mesh.

Left gets 1, bottom 2, right 3, top 4, front 5, back 6

Parameters

[in] eps tolerance for proximity

Implements polyfem::mesh::Mesh.

Definition at line 588 of file CMesh2D.cpp.

References polyfem::mesh::Mesh::boundary_ids_, bounding_box(), edge_barycenter(), is_boundary_edge(), and n_edges().

Here is the call graph for this function:

◆ compute_boundary_ids() [2/6]

void polyfem::mesh::CMesh2D::compute_boundary_ids ( const std::function< int(const RowVectorNd &)> & marker )

overridevirtual

computes boundary selections based on a function

Parameters

[in] marker lambda function that takes the barycenter and returns an integer

Implements polyfem::mesh::Mesh.

Definition at line 618 of file CMesh2D.cpp.

References polyfem::mesh::Mesh::boundary_ids_, edge_barycenter(), is_boundary_edge(), and n_edges().

Here is the call graph for this function:

◆ compute_boundary_ids() [3/6]

void polyfem::mesh::CMesh2D::compute_boundary_ids ( const std::function< int(const RowVectorNd &, bool)> & marker )

overridevirtual

computes boundary selections based on a function

Parameters

[in] marker lambda function that takes the barycenter and true/false if the element is on the boundary and returns an integer

Implements polyfem::mesh::Mesh.

Definition at line 635 of file CMesh2D.cpp.

References polyfem::mesh::Mesh::boundary_ids_, edge_barycenter(), is_boundary_edge(), and n_edges().

Here is the call graph for this function:

◆ compute_boundary_ids() [4/6]

void polyfem::mesh::CMesh2D::compute_boundary_ids ( const std::function< int(const size_t, const RowVectorNd &, bool)> & marker )

overridevirtual

computes boundary selections based on a function

Parameters

[in] marker lambda function that takes the id, barycenter, and true/false if the element is on the boundary and returns an integer

Implements polyfem::mesh::Mesh.

Definition at line 647 of file CMesh2D.cpp.

References polyfem::mesh::Mesh::boundary_ids_, edge_barycenter(), is_boundary_edge(), and n_edges().

Here is the call graph for this function:

◆ compute_boundary_ids() [5/6]

void polyfem::mesh::CMesh2D::compute_boundary_ids ( const std::function< int(const size_t, const std::vector< int > &, const RowVectorNd &, bool)> & marker )

overridevirtual

computes boundary selections based on a function

Parameters

[in] marker lambda function that takes the id, the list of vertices, the barycenter, and true/false if the element is on the boundary and returns an integer

Implements polyfem::mesh::Mesh.

Definition at line 672 of file CMesh2D.cpp.

References polyfem::mesh::Mesh::boundary_ids_, edge_barycenter(), edge_vertex(), is_boundary_edge(), and n_edges().

Here is the call graph for this function:

◆ compute_boundary_ids() [6/6]

void polyfem::mesh::CMesh2D::compute_boundary_ids ( const std::function< int(const std::vector< int > &, bool)> & marker )

overridevirtual

computes boundary selections based on a function

Parameters

[in] marker lambda function that takes the list of vertices and true/false if the element is on the boundary and returns an integer

Implements polyfem::mesh::Mesh.

Definition at line 659 of file CMesh2D.cpp.

References polyfem::mesh::Mesh::boundary_ids_, edge_vertex(), is_boundary_edge(), and n_edges().

Here is the call graph for this function:

◆ compute_elements_tag()

void polyfem::mesh::CMesh2D::compute_elements_tag ( )

overridevirtual

compute element types, see ElementType

Implements polyfem::mesh::Mesh.

Definition at line 557 of file CMesh2D.cpp.

References polyfem::mesh::compute_element_tags(), polyfem::mesh::Mesh::elements_tag_, and mesh_.

Referenced by build_from_matrices(), load(), and refine().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ copy()

std::unique_ptr< Mesh > polyfem::mesh::CMesh2D::copy ( ) const

overridevirtual

Create a copy of the mesh.

Returns: pointer to the new copy mesh

Implements polyfem::mesh::Mesh.

Definition at line 725 of file CMesh2D.cpp.

References polyfem::mesh::Mesh::body_ids_, polyfem::mesh::Mesh::boundary_ids_, polyfem::mesh::Mesh::cell_nodes_, polyfem::mesh::Mesh::cell_weights_, polyfem::mesh::Mesh::edge_nodes_, polyfem::mesh::Mesh::elements_tag_, polyfem::mesh::Mesh::face_nodes_, polyfem::mesh::Mesh::in_ordered_edges_, polyfem::mesh::Mesh::in_ordered_faces_, polyfem::mesh::Mesh::in_ordered_vertices_, polyfem::mesh::Mesh::is_rational_, mesh_, polyfem::mesh::Mesh::node_ids_, and polyfem::mesh::Mesh::orders_.

◆ edge_barycenter()

RowVectorNd polyfem::mesh::CMesh2D::edge_barycenter ( const int e ) const

overridevirtual

edge barycenter

Parameters

[in] e global edge index

Returns: edge barycenter

Implements polyfem::mesh::Mesh.

Definition at line 568 of file CMesh2D.cpp.

References mesh_, and point().

Referenced by compute_boundary_ids(), compute_boundary_ids(), compute_boundary_ids(), compute_boundary_ids(), and compute_boundary_ids().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ edge_length()

double polyfem::mesh::CMesh2D::edge_length ( const int gid ) const

overridevirtual

edge length

Parameters

[in] gid global edge id

Returns: edge length

Reimplemented from polyfem::mesh::Mesh.

Definition at line 458 of file CMesh2D.cpp.

References mesh_, and point().

Here is the call graph for this function:

◆ edge_node()

RowVectorNd polyfem::mesh::CMesh2D::edge_node	(	const Navigation::Index &	index,
		const int	n_new_nodes,
		const int	i
	)		const

overridevirtual

Implements polyfem::mesh::Mesh2D.

Definition at line 333 of file CMesh2D.cpp.

References polyfem::mesh::Navigation::Index::edge, polyfem::mesh::Mesh::edge_nodes_, polyfem::mesh::Navigation::Index::face, polyfem::mesh::Mesh::orders_, point(), switch_vertex(), and polyfem::mesh::Navigation::Index::vertex.

Here is the call graph for this function:

◆ edge_vertex()

int polyfem::mesh::CMesh2D::edge_vertex	(	const int	e_id,
		const int	lv_id
	)		const

inlineoverridevirtual

id of the edge vertex

Parameters

[in]	e_id	global edge id
[in]	lv_id	local vertex index

Returns: int id of the face vertex

Implements polyfem::mesh::Mesh.

Definition at line 40 of file CMesh2D.hpp.

References mesh_.

Referenced by compute_boundary_ids(), and compute_boundary_ids().

Here is the caller graph for this function:

◆ face_node()

RowVectorNd polyfem::mesh::CMesh2D::face_node	(	const Navigation::Index &	index,
		const int	n_new_nodes,
		const int	i,
		const int	j
	)		const

overridevirtual

Implements polyfem::mesh::Mesh2D.

Definition at line 355 of file CMesh2D.cpp.

References polyfem::mesh::Navigation::Index::face, polyfem::mesh::Mesh::face_nodes_, polyfem::mesh::Mesh::is_cube(), polyfem::mesh::Mesh::is_simplex(), polyfem::mesh::Mesh::orders_, point(), switch_edge(), switch_vertex(), and polyfem::mesh::Navigation::Index::vertex.

Here is the call graph for this function:

◆ face_vertex()

int polyfem::mesh::CMesh2D::face_vertex	(	const int	f_id,
		const int	lv_id
	)		const

inlineoverridevirtual

id of the face vertex

Parameters

[in]	f_id	global face id
[in]	lv_id	local vertex index

Returns: int id of the face vertex

Implements polyfem::mesh::Mesh.

Definition at line 39 of file CMesh2D.hpp.

References mesh_.

◆ get_index_from_face()

Navigation::Index polyfem::mesh::CMesh2D::get_index_from_face	(	int	f,
		int	lv = `0`
	)		const

inlineoverridevirtual

Implements polyfem::mesh::Mesh2D.

Definition at line 88 of file CMesh2D.hpp.

References c2e_, polyfem::mesh::Navigation::get_index_from_face(), and mesh_.

Referenced by attach_higher_order_nodes(), is_boundary_element(), polyfem::utils::BoundarySampler::normal_for_polygon_edge(), polyfem::utils::BoundarySampler::quadrature_for_polygon_edge(), and polyfem::utils::BoundarySampler::sample_polygon_edge().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ is_boundary_edge()

bool polyfem::mesh::CMesh2D::is_boundary_edge ( const int edge_global_id ) const

inlineoverridevirtual

is edge boundary

Parameters

[in] edge_global_id global edge id

Returns: is edge boundary

Implements polyfem::mesh::Mesh.

Definition at line 48 of file CMesh2D.hpp.

References boundary_edges_.

Referenced by compute_boundary_ids(), compute_boundary_ids(), compute_boundary_ids(), compute_boundary_ids(), compute_boundary_ids(), compute_boundary_ids(), and is_boundary_element().

Here is the caller graph for this function:

◆ is_boundary_element()

bool polyfem::mesh::CMesh2D::is_boundary_element ( const int element_global_id ) const

overridevirtual

is cell boundary

Parameters

[in] element_global_id global cell id

Returns: is cell boundary

Implements polyfem::mesh::Mesh.

Definition at line 481 of file CMesh2D.cpp.

References get_index_from_face(), is_boundary_edge(), n_face_vertices(), and polyfem::mesh::Mesh2D::next_around_face().

Here is the call graph for this function:

◆ is_boundary_vertex()

bool polyfem::mesh::CMesh2D::is_boundary_vertex ( const int vertex_global_id ) const

inlineoverridevirtual

is vertex boundary

Parameters

[in] vertex_global_id global vertex id

Returns: is vertex boundary

Implements polyfem::mesh::Mesh.

Definition at line 43 of file CMesh2D.hpp.

References boundary_vertices_.

◆ is_conforming()

bool polyfem::mesh::CMesh2D::is_conforming ( ) const

inlineoverridevirtual

if the mesh is conforming

Returns: if the mesh is conforming

Implements polyfem::mesh::Mesh.

Definition at line 31 of file CMesh2D.hpp.

◆ load() [1/2]

bool polyfem::mesh::CMesh2D::load ( const GEO::Mesh & M )

overrideprotectedvirtual

loads a mesh from a geo mesh

Parameters

[in] M geo mesh

Returns: if success

Implements polyfem::mesh::Mesh.

Definition at line 142 of file CMesh2D.cpp.

References boundary_edges_, boundary_vertices_, c2e_, polyfem::mesh::Mesh::cell_nodes_, compute_elements_tag(), polyfem::mesh::Mesh::edge_nodes_, polyfem::mesh::Mesh::face_nodes_, mesh_, polyfem::mesh::orient_normals_2d(), and polyfem::mesh::Navigation::prepare_mesh().

Here is the call graph for this function:

◆ load() [2/2]

bool polyfem::mesh::CMesh2D::load ( const std::string & path )

overrideprotectedvirtual

loads a mesh from the path

Parameters

[in] path file location

Returns: if success

Implements polyfem::mesh::Mesh.

Definition at line 96 of file CMesh2D.cpp.

◆ n_edges()

int polyfem::mesh::CMesh2D::n_edges ( ) const

inlineoverridevirtual

number of edges

Returns: number of edges

Implements polyfem::mesh::Mesh.

Definition at line 34 of file CMesh2D.hpp.

References mesh_.

Referenced by attach_higher_order_nodes(), compute_boundary_ids(), compute_boundary_ids(), compute_boundary_ids(), compute_boundary_ids(), compute_boundary_ids(), and compute_boundary_ids().

Here is the caller graph for this function:

◆ n_face_vertices()

int polyfem::mesh::CMesh2D::n_face_vertices ( const int f_id ) const

inlineoverridevirtual

number of vertices of a face

Parameters

[in] f_id global face id

Returns: number of vertices

Implements polyfem::mesh::Mesh.

Definition at line 37 of file CMesh2D.hpp.

References mesh_.

Referenced by is_boundary_element(), polyfem::utils::BoundarySampler::normal_for_polygon_edge(), polyfem::utils::BoundarySampler::quadrature_for_polygon_edge(), and polyfem::utils::BoundarySampler::sample_polygon_edge().

Here is the caller graph for this function:

◆ n_faces()

int polyfem::mesh::CMesh2D::n_faces ( ) const

inlineoverridevirtual

number of faces

Returns: number of faces

Implements polyfem::mesh::Mesh.

Definition at line 33 of file CMesh2D.hpp.

References mesh_.

Referenced by append(), and attach_higher_order_nodes().

Here is the caller graph for this function:

◆ n_vertices()

int polyfem::mesh::CMesh2D::n_vertices ( ) const

inlineoverridevirtual

number of vertices

Returns: number of vertices

Implements polyfem::mesh::Mesh.

Definition at line 35 of file CMesh2D.hpp.

References mesh_.

Referenced by append(), and triangulate_faces().

Here is the caller graph for this function:

◆ normalize()

void polyfem::mesh::CMesh2D::normalize ( )

overridevirtual

normalize the mesh

Implements polyfem::mesh::Mesh.

Definition at line 413 of file CMesh2D.cpp.

References polyfem::mesh::Mesh::edge_nodes_, polyfem::mesh::Mesh::face_nodes_, polyfem::mesh::Mesh2D::get_edges(), polyfem::logger(), and mesh_.

Here is the call graph for this function:

◆ operator=() [1/2]

CMesh2D & polyfem::mesh::CMesh2D::operator= ( CMesh2D && )

delete

◆ operator=() [2/2]

CMesh2D & polyfem::mesh::CMesh2D::operator= ( const CMesh2D & )

delete

◆ point()

RowVectorNd polyfem::mesh::CMesh2D::point ( const int global_index ) const

overridevirtual

point coordinates

Parameters

[in] global_index global vertex index

Returns: RowVectorNd

Implements polyfem::mesh::Mesh.

Definition at line 472 of file CMesh2D.cpp.

References mesh_.

Referenced by append(), edge_barycenter(), edge_length(), edge_node(), face_node(), polyfem::utils::BoundarySampler::normal_for_polygon_edge(), polyfem::utils::BoundarySampler::quadrature_for_polygon_edge(), and polyfem::utils::BoundarySampler::sample_polygon_edge().

Here is the caller graph for this function:

◆ refine()

void polyfem::mesh::CMesh2D::refine	(	const int	n_refinement,
		const double	t
	)

overridevirtual

refine the mesh

Parameters

[in]	n_refinement	number of refinements
[in]	t	position of the refinement location (0.5 for standard refinement)

Implements polyfem::mesh::Mesh.

Definition at line 25 of file CMesh2D.cpp.

References boundary_edges_, boundary_vertices_, c2e_, polyfem::mesh::Polygons::catmul_clark_split_func(), compute_elements_tag(), polyfem::mesh::generate_edges(), polyfem::mesh::Mesh::in_ordered_edges_, polyfem::mesh::Mesh::in_ordered_faces_, polyfem::mesh::Mesh::in_ordered_vertices_, polyfem::mesh::Mesh::is_simplex(), mesh_, polyfem::mesh::Mesh::n_elements(), polyfem::mesh::Mesh::orders_, polyfem::mesh::Polygons::polar_split_func(), polyfem::mesh::Navigation::prepare_mesh(), polyfem::mesh::refine_polygonal_mesh(), and polyfem::mesh::refine_triangle_mesh().

Here is the call graph for this function:

◆ save()

bool polyfem::mesh::CMesh2D::save ( const std::string & path ) const

overridevirtual

Implements polyfem::mesh::Mesh.

Definition at line 165 of file CMesh2D.cpp.

References mesh_.

◆ set_point()

void polyfem::mesh::CMesh2D::set_point	(	const int	global_index,
		const RowVectorNd &	p
	)

overridevirtual

Set the point.

Parameters

[in]	global_index	global vertex index
[in]	p	value

Implements polyfem::mesh::Mesh.

Definition at line 466 of file CMesh2D.cpp.

References mesh_.

Referenced by append().

Here is the caller graph for this function:

◆ switch_edge()

Navigation::Index polyfem::mesh::CMesh2D::switch_edge ( Navigation::Index idx ) const

inlineoverridevirtual

Implements polyfem::mesh::Mesh2D.

Definition at line 92 of file CMesh2D.hpp.

References c2e_, mesh_, and polyfem::mesh::Navigation::switch_edge().

Referenced by face_node(), polyfem::utils::BoundarySampler::normal_for_polygon_edge(), polyfem::utils::BoundarySampler::quadrature_for_polygon_edge(), and polyfem::utils::BoundarySampler::sample_polygon_edge().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ switch_face()

Navigation::Index polyfem::mesh::CMesh2D::switch_face ( Navigation::Index idx ) const

inlineoverridevirtual

Implements polyfem::mesh::Mesh2D.

Definition at line 93 of file CMesh2D.hpp.

References c2e_, mesh_, and polyfem::mesh::Navigation::switch_face().

Here is the call graph for this function:

◆ switch_vertex()

Navigation::Index polyfem::mesh::CMesh2D::switch_vertex ( Navigation::Index idx ) const

inlineoverridevirtual

Implements polyfem::mesh::Mesh2D.

Definition at line 91 of file CMesh2D.hpp.

References mesh_, and polyfem::mesh::Navigation::switch_vertex().

Referenced by attach_higher_order_nodes(), edge_node(), and face_node().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ triangulate_faces()

void polyfem::mesh::CMesh2D::triangulate_faces	(	Eigen::MatrixXi &	tris,
		Eigen::MatrixXd &	pts,
		std::vector< int > &	ranges
	)		const

overridevirtual

generate a triangular representation of every face

Parameters

[out]	tris	triangles connectivity
[out]	pts	triangles vertices
[out]	ranges	connection to original faces

Implements polyfem::mesh::Mesh.

Definition at line 496 of file CMesh2D.cpp.

References mesh_, and n_vertices().

Here is the call graph for this function:

◆ update_elements_tag()

void polyfem::mesh::CMesh2D::update_elements_tag ( )

overridevirtual

Update elements types.

Reimplemented from polyfem::mesh::Mesh.

Definition at line 563 of file CMesh2D.cpp.

References polyfem::mesh::compute_element_tags(), polyfem::mesh::Mesh::elements_tag_, and mesh_.

Here is the call graph for this function:

Member Data Documentation

◆ boundary_edges_

std::unique_ptr<GEO::Attribute<bool> > polyfem::mesh::CMesh2D::boundary_edges_

private

Definition at line 109 of file CMesh2D.hpp.

Referenced by append(), build_from_matrices(), is_boundary_edge(), load(), and refine().

◆ boundary_vertices_

std::unique_ptr<GEO::Attribute<bool> > polyfem::mesh::CMesh2D::boundary_vertices_

private

Definition at line 108 of file CMesh2D.hpp.

Referenced by append(), build_from_matrices(), is_boundary_vertex(), load(), and refine().

◆ c2e_

std::unique_ptr<GEO::Attribute<GEO::index_t> > polyfem::mesh::CMesh2D::c2e_

private

Definition at line 107 of file CMesh2D.hpp.

Referenced by append(), build_from_matrices(), get_index_from_face(), load(), refine(), switch_edge(), and switch_face().

◆ mesh_

GEO::Mesh polyfem::mesh::CMesh2D::mesh_

private

Definition at line 106 of file CMesh2D.hpp.

Referenced by append(), attach_higher_order_nodes(), bounding_box(), build_from_matrices(), cell_vertex(), compute_elements_tag(), copy(), edge_barycenter(), edge_length(), edge_vertex(), face_vertex(), get_index_from_face(), load(), n_edges(), n_face_vertices(), n_faces(), n_vertices(), normalize(), point(), refine(), save(), set_point(), switch_edge(), switch_face(), switch_vertex(), triangulate_faces(), and update_elements_tag().

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

src/polyfem/mesh/mesh2D/CMesh2D.hpp
src/polyfem/mesh/mesh2D/CMesh2D.cpp

Public Member Functions

Protected Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ CMesh2D() [1/3]

◆ ~CMesh2D()

◆ CMesh2D() [2/3]

◆ CMesh2D() [3/3]

Member Function Documentation

◆ append()

◆ attach_higher_order_nodes()

◆ bounding_box()

◆ build_from_matrices()

◆ cell_vertex()

◆ compute_body_ids()

◆ compute_boundary_ids() [1/6]

◆ compute_boundary_ids() [2/6]

◆ compute_boundary_ids() [3/6]

◆ compute_boundary_ids() [4/6]

◆ compute_boundary_ids() [5/6]

◆ compute_boundary_ids() [6/6]

◆ compute_elements_tag()

◆ copy()

◆ edge_barycenter()

◆ edge_length()

◆ edge_node()

◆ edge_vertex()

◆ face_node()

◆ face_vertex()

◆ get_index_from_face()

◆ is_boundary_edge()

◆ is_boundary_element()

◆ is_boundary_vertex()

◆ is_conforming()

◆ load() [1/2]

◆ load() [2/2]

◆ n_edges()

◆ n_face_vertices()

◆ n_faces()

◆ n_vertices()

◆ normalize()

◆ operator=() [1/2]

◆ operator=() [2/2]

◆ point()

◆ refine()

◆ save()

◆ set_point()

◆ switch_edge()

◆ switch_face()

◆ switch_vertex()

◆ triangulate_faces()

◆ update_elements_tag()

Member Data Documentation

◆ boundary_edges_

◆ boundary_vertices_

◆ c2e_

◆ mesh_