#include <LocalMesh.hpp>

Public Member Functions
	LocalMesh (const M &m, const std::vector< Tuple > &element_tuples, const bool include_global_boundary)

int	num_local_vertices () const
	Number of vertices in the local mesh (not including extra global boundary vertices).

int	num_vertices () const
	Number of vertices in the local mesh.

int	num_elements () const
	Number of elements.

const Eigen::MatrixXd &	rest_positions () const
	Rest positions of the vertices.

const Eigen::MatrixXd &	positions () const
	Deformed positions of the vertices.

Eigen::MatrixXd	displacements () const
	Displacements of the vertices.

const Eigen::MatrixXd &	projection_quantities () const
	Projection quantaties for each vertex.

const Eigen::MatrixXi &	elements () const
	Elements in the local mesh.

const Eigen::MatrixXi &	boundary_edges () const
	Edged on the boundary.

const Eigen::MatrixXi &	boundary_faces () const
	Faces on the boundary (not set for TriMesh).

const std::unordered_map< int, int > &	global_to_local () const
	Map from global vertex index to local vertex index.

const std::vector< int > &	local_to_global () const
	Map from local vertex index to global vertex index.

const std::vector< int > &	fixed_vertices () const
	Fixed vertices.

const Remesher::BoundaryMap< int > &	boundary_ids () const
	Map from boundary elements (all edges for TriMesh or faces in TetMesh) to their boundary id.

const std::vector< int > &	body_ids () const
	One body id per element.

Eigen::MatrixXi &	boundary_facets ()
	Get a reference to the boundary facets (edges in 2D or faces in 3D).

const Eigen::MatrixXi &	boundary_facets () const

std::vector< polyfem::basis::ElementBases >	build_bases (const std::string &formulation)
	Build the ElementBases for the local mesh.

void	reorder_vertices (const Eigen::VectorXi &permutation)
	Reorder the vertices of the local mesh.

void	write_mesh (const std::string &path, const Eigen::MatrixXd &sol) const
	Write the local mesh to a VTU file.

Static Public Member Functions
static std::vector< Tuple >	n_ring (const M &m, const Tuple &center, const int n)
	Construct a local mesh as an n-ring around a vertex.

static std::vector< Tuple >	n_ring (const M &m, const std::vector< Tuple > &one_ring, const int n)

static std::vector< Tuple >	flood_fill_n_ring (const M &m, const Tuple &center, const double area)
	Construct a local mesh as an n-ring around a vertex.

static std::vector< Tuple >	ball_selection (const M &m, const VectorNd &center, const double rel_radius, const int n_ring_size)

Protected Types
using	Tuple = typename M::Tuple

Protected Member Functions
void	remove_duplicate_fixed_vertices ()

void	init_local_to_global ()

void	init_vertex_attributes (const M &m)

Protected Attributes
Eigen::MatrixXd	m_rest_positions
	Rest positions of the vertices.

Eigen::MatrixXd	m_positions
	Deformed positions of the vertices.

Eigen::MatrixXd	m_projection_quantities
	Projection quantaties for each vertex.

Eigen::MatrixXi	m_elements
	Elements in the local mesh.

Eigen::MatrixXi	m_boundary_edges
	Edged on the boundary.

Eigen::MatrixXi	m_boundary_faces
	Faces on the boundary (not set for TriMesh).

int	m_num_local_vertices
	Number of vertices in the local mesh (not including extra global boundary vertices).

std::unordered_map< int, int >	m_global_to_local
	Map from global vertex index to local vertex index.

std::vector< int >	m_local_to_global
	Map from local vertex index to global vertex index.

std::vector< int >	m_fixed_vertices
	Fixed vertices.

Remesher::BoundaryMap< int >	m_boundary_ids
	Map from boundary elements (all edges for TriMesh or faces in TetMesh) to their boundary id.

std::vector< int >	m_body_ids
	One body id per element.

Detailed Description

template<typename M>
class polyfem::mesh::LocalMesh< M >

Definition at line 12 of file LocalMesh.hpp.

Member Typedef Documentation

◆ Tuple

template<typename M >

using polyfem::mesh::LocalMesh< M >::Tuple = typename M::Tuple

protected

Definition at line 15 of file LocalMesh.hpp.

Constructor & Destructor Documentation

◆ LocalMesh()

template<typename M >

polyfem::mesh::LocalMesh< M >::LocalMesh	(	const M &	m,
		const std::vector< Tuple > &	element_tuples,
		const bool	include_global_boundary
	)

Definition at line 49 of file LocalMesh.cpp.

References polyfem::utils::append_rows(), polyfem::mesh::Obstacle::e(), polyfem::mesh::Obstacle::f(), polyfem::mesh::Obstacle::n_edges(), polyfem::mesh::Obstacle::n_faces(), polyfem::mesh::Obstacle::n_vertices(), POLYFEM_REMESHER_SCOPED_TIMER, POLYFEM_SCOPED_TIMER, polyfem::mesh::unique_facet_tuples(), and polyfem::mesh::Obstacle::v().

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Member Function Documentation

◆ ball_selection()

template<typename M >

std::vector< typename M::Tuple > polyfem::mesh::LocalMesh< M >::ball_selection	(	const M &	m,
		const VectorNd &	center,
		const double	rel_radius,
		const int	n_ring_size
	)

static

Definition at line 331 of file LocalMesh.cpp.

References polyfem::utils::are_aabbs_intersecting(), POLYFEM_REMESHER_SCOPED_TIMER, polyfem::utils::tetrahedron_intersects_ball(), and polyfem::utils::triangle_intersects_disk().

Referenced by polyfem::mesh::PhysicsRemesher< WMTKMesh >::local_mesh_tuples().

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◆ body_ids()

template<typename M >

const std::vector< int > & polyfem::mesh::LocalMesh< M >::body_ids ( ) const

inline

One body id per element.

Definition at line 83 of file LocalMesh.hpp.

References polyfem::mesh::LocalMesh< M >::m_body_ids.

◆ boundary_edges()

template<typename M >

const Eigen::MatrixXi & polyfem::mesh::LocalMesh< M >::boundary_edges ( ) const

inline

Edged on the boundary.

Definition at line 66 of file LocalMesh.hpp.

References polyfem::mesh::LocalMesh< M >::m_boundary_edges.

◆ boundary_faces()

template<typename M >

const Eigen::MatrixXi & polyfem::mesh::LocalMesh< M >::boundary_faces ( ) const

inline

Faces on the boundary (not set for TriMesh).

Definition at line 68 of file LocalMesh.hpp.

References polyfem::mesh::LocalMesh< M >::m_boundary_faces.

◆ boundary_facets() [1/2]

template<typename M >

Eigen::MatrixXi & polyfem::mesh::LocalMesh< M >::boundary_facets ( )

Get a reference to the boundary facets (edges in 2D or faces in 3D).

Todo:: Make this const.

Definition at line 467 of file LocalMesh.cpp.

◆ boundary_facets() [2/2]

template<typename M >

const Eigen::MatrixXi & polyfem::mesh::LocalMesh< M >::boundary_facets ( ) const

Definition at line 476 of file LocalMesh.cpp.

◆ boundary_ids()

template<typename M >

const Remesher::BoundaryMap< int > & polyfem::mesh::LocalMesh< M >::boundary_ids ( ) const

inline

Map from boundary elements (all edges for TriMesh or faces in TetMesh) to their boundary id.

Definition at line 80 of file LocalMesh.hpp.

References polyfem::mesh::LocalMesh< M >::m_boundary_ids.

◆ build_bases()

template<typename M >

std::vector< polyfem::basis::ElementBases > polyfem::mesh::LocalMesh< M >::build_bases ( const std::string & formulation )

Build the ElementBases for the local mesh.

Note: Reorders the vertices to match the order of the ElementBases.

Parameters

formulation Energy formulation.

Returns: ElementBases for the local mesh.

Definition at line 573 of file LocalMesh.cpp.

References polyfem::mesh::Remesher::build_bases(), polyfem::mesh::Mesh::create(), and POLYFEM_REMESHER_SCOPED_TIMER.

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◆ displacements()

template<typename M >

Eigen::MatrixXd polyfem::mesh::LocalMesh< M >::displacements ( ) const

inline

Displacements of the vertices.

Definition at line 58 of file LocalMesh.hpp.

References polyfem::mesh::LocalMesh< M >::m_positions, and polyfem::mesh::LocalMesh< M >::m_rest_positions.

◆ elements()

template<typename M >

const Eigen::MatrixXi & polyfem::mesh::LocalMesh< M >::elements ( ) const

inline

Elements in the local mesh.

Definition at line 64 of file LocalMesh.hpp.

References polyfem::mesh::LocalMesh< M >::m_elements.

◆ fixed_vertices()

template<typename M >

const std::vector< int > & polyfem::mesh::LocalMesh< M >::fixed_vertices ( ) const

inline

Fixed vertices.

Definition at line 77 of file LocalMesh.hpp.

References polyfem::mesh::LocalMesh< M >::m_fixed_vertices.

◆ flood_fill_n_ring()

template<typename M >

std::vector< typename M::Tuple > polyfem::mesh::LocalMesh< M >::flood_fill_n_ring	(	const M &	m,
		const Tuple &	center,
		const double	area
	)

static

Construct a local mesh as an n-ring around a vertex.

Definition at line 279 of file LocalMesh.cpp.

References POLYFEM_REMESHER_SCOPED_TIMER.

◆ global_to_local()

template<typename M >

const std::unordered_map< int, int > & polyfem::mesh::LocalMesh< M >::global_to_local ( ) const

inline

Map from global vertex index to local vertex index.

Definition at line 71 of file LocalMesh.hpp.

References polyfem::mesh::LocalMesh< M >::m_global_to_local.

◆ init_local_to_global()

template<typename M >

void polyfem::mesh::LocalMesh< M >::init_local_to_global ( )

protected

Definition at line 493 of file LocalMesh.cpp.

◆ init_vertex_attributes()

template<typename M >

void polyfem::mesh::LocalMesh< M >::init_vertex_attributes ( const M & m )

protected

Definition at line 504 of file LocalMesh.cpp.

◆ local_to_global()

template<typename M >

const std::vector< int > & polyfem::mesh::LocalMesh< M >::local_to_global ( ) const

inline

Map from local vertex index to global vertex index.

Definition at line 74 of file LocalMesh.hpp.

References polyfem::mesh::LocalMesh< M >::m_local_to_global.

◆ n_ring() [1/2]

template<typename M >

std::vector< typename M::Tuple > polyfem::mesh::LocalMesh< M >::n_ring	(	const M &	m,
		const std::vector< Tuple > &	one_ring,
		const int	n
	)

static

Definition at line 230 of file LocalMesh.cpp.

References POLYFEM_REMESHER_SCOPED_TIMER.

◆ n_ring() [2/2]

template<typename M >

std::vector< typename M::Tuple > polyfem::mesh::LocalMesh< M >::n_ring	(	const M &	m,
		const Tuple &	center,
		const int	n
	)

static

Construct a local mesh as an n-ring around a vertex.

Definition at line 223 of file LocalMesh.cpp.

◆ num_elements()

template<typename M >

int polyfem::mesh::LocalMesh< M >::num_elements ( ) const

inline

Number of elements.

Definition at line 50 of file LocalMesh.hpp.

References polyfem::mesh::LocalMesh< M >::m_elements.

◆ num_local_vertices()

template<typename M >

int polyfem::mesh::LocalMesh< M >::num_local_vertices ( ) const

inline

Number of vertices in the local mesh (not including extra global boundary vertices).

Definition at line 46 of file LocalMesh.hpp.

References polyfem::mesh::LocalMesh< M >::m_num_local_vertices.

◆ num_vertices()

template<typename M >

int polyfem::mesh::LocalMesh< M >::num_vertices ( ) const

inline

Number of vertices in the local mesh.

Definition at line 48 of file LocalMesh.hpp.

References polyfem::mesh::LocalMesh< M >::m_rest_positions.

◆ positions()

template<typename M >

const Eigen::MatrixXd & polyfem::mesh::LocalMesh< M >::positions ( ) const

inline

Deformed positions of the vertices.

Definition at line 55 of file LocalMesh.hpp.

References polyfem::mesh::LocalMesh< M >::m_positions.

◆ projection_quantities()

template<typename M >

const Eigen::MatrixXd & polyfem::mesh::LocalMesh< M >::projection_quantities ( ) const

inline

Projection quantaties for each vertex.

Definition at line 61 of file LocalMesh.hpp.

References polyfem::mesh::LocalMesh< M >::m_projection_quantities.

◆ remove_duplicate_fixed_vertices()

template<typename M >

void polyfem::mesh::LocalMesh< M >::remove_duplicate_fixed_vertices ( )

protected

Definition at line 485 of file LocalMesh.cpp.

◆ reorder_vertices()

template<typename M >

void polyfem::mesh::LocalMesh< M >::reorder_vertices ( const Eigen::VectorXi & permutation )

Reorder the vertices of the local mesh.

Parameters

permutation Map from old vertex index to new vertex index.

Definition at line 523 of file LocalMesh.cpp.

References polyfem::utils::map_index_matrix(), and polyfem::utils::reorder_matrix().

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◆ rest_positions()

template<typename M >

const Eigen::MatrixXd & polyfem::mesh::LocalMesh< M >::rest_positions ( ) const

inline

Rest positions of the vertices.

Definition at line 53 of file LocalMesh.hpp.

References polyfem::mesh::LocalMesh< M >::m_rest_positions.

◆ write_mesh()

template<typename M >

void polyfem::mesh::LocalMesh< M >::write_mesh	(	const std::string &	path,
		const Eigen::MatrixXd &	sol
	)		const

Write the local mesh to a VTU file.

Parameters

path	Filename to write to.
sol	Solution to write to the file.

Definition at line 607 of file LocalMesh.cpp.

References polyfem::utils::unflatten().

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Member Data Documentation

◆ m_body_ids

template<typename M >

std::vector<int> polyfem::mesh::LocalMesh< M >::m_body_ids

protected

One body id per element.

Definition at line 144 of file LocalMesh.hpp.

Referenced by polyfem::mesh::LocalMesh< M >::body_ids().

◆ m_boundary_edges

template<typename M >

Eigen::MatrixXi polyfem::mesh::LocalMesh< M >::m_boundary_edges

protected

Edged on the boundary.

Definition at line 123 of file LocalMesh.hpp.

Referenced by polyfem::mesh::LocalMesh< M >::boundary_edges().

◆ m_boundary_faces

template<typename M >

Eigen::MatrixXi polyfem::mesh::LocalMesh< M >::m_boundary_faces

protected

Faces on the boundary (not set for TriMesh).

Definition at line 126 of file LocalMesh.hpp.

Referenced by polyfem::mesh::LocalMesh< M >::boundary_faces().

◆ m_boundary_ids

template<typename M >

Remesher::BoundaryMap<int> polyfem::mesh::LocalMesh< M >::m_boundary_ids

protected

Map from boundary elements (all edges for TriMesh or faces in TetMesh) to their boundary id.

Definition at line 141 of file LocalMesh.hpp.

Referenced by polyfem::mesh::LocalMesh< M >::boundary_ids().

◆ m_elements

template<typename M >

Eigen::MatrixXi polyfem::mesh::LocalMesh< M >::m_elements

protected

Elements in the local mesh.

Definition at line 120 of file LocalMesh.hpp.

Referenced by polyfem::mesh::LocalMesh< M >::elements(), and polyfem::mesh::LocalMesh< M >::num_elements().

◆ m_fixed_vertices

template<typename M >

std::vector<int> polyfem::mesh::LocalMesh< M >::m_fixed_vertices

protected

Fixed vertices.

Definition at line 138 of file LocalMesh.hpp.

Referenced by polyfem::mesh::LocalMesh< M >::fixed_vertices().

◆ m_global_to_local

template<typename M >

std::unordered_map<int, int> polyfem::mesh::LocalMesh< M >::m_global_to_local

protected

Map from global vertex index to local vertex index.

Definition at line 132 of file LocalMesh.hpp.

Referenced by polyfem::mesh::LocalMesh< M >::global_to_local().

◆ m_local_to_global

template<typename M >

std::vector<int> polyfem::mesh::LocalMesh< M >::m_local_to_global

protected

Map from local vertex index to global vertex index.

Definition at line 135 of file LocalMesh.hpp.

Referenced by polyfem::mesh::LocalMesh< M >::local_to_global().

◆ m_num_local_vertices

template<typename M >

int polyfem::mesh::LocalMesh< M >::m_num_local_vertices

protected

Number of vertices in the local mesh (not including extra global boundary vertices).

Definition at line 129 of file LocalMesh.hpp.

Referenced by polyfem::mesh::LocalMesh< M >::num_local_vertices().

◆ m_positions

template<typename M >

Eigen::MatrixXd polyfem::mesh::LocalMesh< M >::m_positions

protected

Deformed positions of the vertices.

Definition at line 114 of file LocalMesh.hpp.

Referenced by polyfem::mesh::LocalMesh< M >::displacements(), and polyfem::mesh::LocalMesh< M >::positions().

◆ m_projection_quantities

template<typename M >

Eigen::MatrixXd polyfem::mesh::LocalMesh< M >::m_projection_quantities

protected

Projection quantaties for each vertex.

Definition at line 117 of file LocalMesh.hpp.

Referenced by polyfem::mesh::LocalMesh< M >::projection_quantities().

◆ m_rest_positions

template<typename M >

Eigen::MatrixXd polyfem::mesh::LocalMesh< M >::m_rest_positions

protected

Rest positions of the vertices.

Definition at line 111 of file LocalMesh.hpp.

Referenced by polyfem::mesh::LocalMesh< M >::displacements(), polyfem::mesh::LocalMesh< M >::num_vertices(), and polyfem::mesh::LocalMesh< M >::rest_positions().

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

src/polyfem/mesh/remesh/wild_remesh/LocalMesh.hpp
src/polyfem/mesh/remesh/wild_remesh/LocalMesh.cpp

Public Member Functions

Static Public Member Functions

Protected Types

Protected Member Functions

Protected Attributes

Detailed Description

Member Typedef Documentation

◆ Tuple

Constructor & Destructor Documentation

◆ LocalMesh()

Member Function Documentation

◆ ball_selection()

◆ body_ids()

◆ boundary_edges()

◆ boundary_faces()

◆ boundary_facets() [1/2]

◆ boundary_facets() [2/2]

◆ boundary_ids()

◆ build_bases()

◆ displacements()

◆ elements()

◆ fixed_vertices()

◆ flood_fill_n_ring()

◆ global_to_local()

◆ init_local_to_global()

◆ init_vertex_attributes()

◆ local_to_global()

◆ n_ring() [1/2]

◆ n_ring() [2/2]

◆ num_elements()

◆ num_local_vertices()

◆ num_vertices()

◆ positions()

◆ projection_quantities()

◆ remove_duplicate_fixed_vertices()

◆ reorder_vertices()

◆ rest_positions()

◆ write_mesh()

Member Data Documentation

◆ m_body_ids

◆ m_boundary_edges

◆ m_boundary_faces

◆ m_boundary_ids

◆ m_elements

◆ m_fixed_vertices

◆ m_global_to_local

◆ m_local_to_global

◆ m_num_local_vertices

◆ m_positions

◆ m_projection_quantities

◆ m_rest_positions