dolfinx.cpp.mesh

Mesh library module

Functions

build_dual_graph(arg0, arg1, arg2)

cell_dim(arg0)

cell_entity_type(arg0, arg1)

cell_normals(arg0, arg1, arg2)

cell_num_entities(arg0, arg1)

cell_num_vertices(arg0)

compute_boundary_facets(arg0)

compute_connectivity(arg0, arg1, arg2)

compute_entities(arg0, arg1, arg2)

create_mesh(arg0, arg1, arg2, arg3, arg4, …)

Helper function for creating meshes.

create_meshtags(*args, **kwargs)

Overloaded function.

entities_to_geometry(arg0, arg1, arg2, arg3)

exterior_facet_indices(arg0)

extract_topology(arg0, arg1, arg2)

get_entity_vertices(arg0, arg1)

h(arg0, arg1, arg2)

Compute maximum distance between any two vertices.

is_simplex(arg0)

locate_entities(arg0, arg1, arg2, …)

locate_entities_boundary(arg0, arg1, arg2, …)

midpoints(arg0, arg1, arg2)

partition_cells_graph(arg0, arg1, arg2, …)

to_string(arg0)

to_type(arg0)

Classes

CellType(self, value)

Members:

Geometry(self, arg0, arg1, arg2, arg3, arg4)

Geometry object

GhostMode(self, value)

Members:

Mesh(self, arg0, arg1, arg2)

Mesh object

MeshTags_double(self, arg0, arg1, arg2, arg3)

MeshTags object

MeshTags_int32(self, arg0, arg1, arg2, arg3)

MeshTags object

MeshTags_int64(self, arg0, arg1, arg2, arg3)

MeshTags object

MeshTags_int8(self, arg0, arg1, arg2, arg3)

MeshTags object

Topology(self, arg0, arg1)

Topology object

class dolfinx.cpp.mesh.CellType(self: dolfinx.cpp.mesh.CellType, value: int) None

Bases: pybind11_builtins.pybind11_object

Members:

point

interval

triangle

quadrilateral

tetrahedron

pyramid

prism

hexahedron

hexahedron = <CellType.hexahedron: -8>
interval = <CellType.interval: 2>
property name
point = <CellType.point: 1>
prism = <CellType.prism: -6>
pyramid = <CellType.pyramid: -5>
quadrilateral = <CellType.quadrilateral: -4>
tetrahedron = <CellType.tetrahedron: 4>
triangle = <CellType.triangle: 3>
property value
class dolfinx.cpp.mesh.Geometry(self: dolfinx.cpp.mesh.Geometry, arg0: dolfinx.cpp.common.IndexMap, arg1: dolfinx::graph::AdjacencyList<int>, arg2: dolfinx::fem::CoordinateElement, arg3: numpy.ndarray[numpy.float64], arg4: numpy.ndarray[numpy.int64]) None

Bases: pybind11_builtins.pybind11_object

Geometry object

property cmap

The coordinate map

property dim

Geometric dimension

property dofmap
index_map(self: dolfinx.cpp.mesh.Geometry) dolfinx.cpp.common.IndexMap
property input_global_indices
property x

Return coordinates of all geometry points. Each row is the coordinate of a point.

class dolfinx.cpp.mesh.GhostMode(self: dolfinx.cpp.mesh.GhostMode, value: int) None

Bases: pybind11_builtins.pybind11_object

Members:

none

shared_facet

shared_vertex

property name
none = <GhostMode.none: 0>
shared_facet = <GhostMode.shared_facet: 1>
shared_vertex = <GhostMode.shared_vertex: 2>
property value
class dolfinx.cpp.mesh.Mesh(self: dolfinx.cpp.mesh.Mesh, arg0: MPICommWrapper, arg1: dolfinx.cpp.mesh.Topology, arg2: dolfinx.cpp.mesh.Geometry) None

Bases: pybind11_builtins.pybind11_object

Mesh object

property geometry

Mesh geometry

property id
mpi_comm(self: dolfinx.cpp.mesh.Mesh) MPICommWrapper
property name
property topology

Mesh topology

ufl_cell()
ufl_domain()

Return the ufl domain corresponding to the mesh.

ufl_id(self: dolfinx.cpp.mesh.Mesh) int
class dolfinx.cpp.mesh.MeshTags_double(self: dolfinx.cpp.mesh.MeshTags_double, arg0: dolfinx.cpp.mesh.Mesh, arg1: int, arg2: numpy.ndarray[numpy.int32], arg3: numpy.ndarray[numpy.float64]) None

Bases: pybind11_builtins.pybind11_object

MeshTags object

property dim
property indices
property mesh
property name
ufl_id(self: dolfinx.cpp.mesh.MeshTags_double) int
property values
class dolfinx.cpp.mesh.MeshTags_int32(self: dolfinx.cpp.mesh.MeshTags_int32, arg0: dolfinx.cpp.mesh.Mesh, arg1: int, arg2: numpy.ndarray[numpy.int32], arg3: numpy.ndarray[numpy.int32]) None

Bases: pybind11_builtins.pybind11_object

MeshTags object

property dim
property indices
property mesh
property name
ufl_id(self: dolfinx.cpp.mesh.MeshTags_int32) int
property values
class dolfinx.cpp.mesh.MeshTags_int64(self: dolfinx.cpp.mesh.MeshTags_int64, arg0: dolfinx.cpp.mesh.Mesh, arg1: int, arg2: numpy.ndarray[numpy.int32], arg3: numpy.ndarray[numpy.int64]) None

Bases: pybind11_builtins.pybind11_object

MeshTags object

property dim
property indices
property mesh
property name
ufl_id(self: dolfinx.cpp.mesh.MeshTags_int64) int
property values
class dolfinx.cpp.mesh.MeshTags_int8(self: dolfinx.cpp.mesh.MeshTags_int8, arg0: dolfinx.cpp.mesh.Mesh, arg1: int, arg2: numpy.ndarray[numpy.int32], arg3: numpy.ndarray[numpy.int8]) None

Bases: pybind11_builtins.pybind11_object

MeshTags object

property dim
property indices
property mesh
property name
ufl_id(self: dolfinx.cpp.mesh.MeshTags_int8) int
property values
class dolfinx.cpp.mesh.Topology(self: dolfinx.cpp.mesh.Topology, arg0: MPICommWrapper, arg1: dolfinx.cpp.mesh.CellType) None

Bases: pybind11_builtins.pybind11_object

Topology object

cell_name(self: dolfinx.cpp.mesh.Topology) str
property cell_type
connectivity(self: dolfinx.cpp.mesh.Topology, arg0: int, arg1: int) dolfinx::graph::AdjacencyList<int>
create_connectivity(self: dolfinx.cpp.mesh.Topology, arg0: int, arg1: int) None
create_connectivity_all(self: dolfinx.cpp.mesh.Topology) None
create_entities(self: dolfinx.cpp.mesh.Topology, arg0: int) int
create_entity_permutations(self: dolfinx.cpp.mesh.Topology) None
property dim

Topological dimension

get_cell_permutation_info(self: dolfinx.cpp.mesh.Topology) numpy.ndarray[numpy.uint32]
get_facet_permutations(self: dolfinx.cpp.mesh.Topology) numpy.ndarray[numpy.uint8]
index_map(self: dolfinx.cpp.mesh.Topology, arg0: int) dolfinx.cpp.common.IndexMap
mpi_comm(self: dolfinx::mesh::Mesh) MPICommWrapper
set_connectivity(self: dolfinx.cpp.mesh.Topology, arg0: dolfinx::graph::AdjacencyList<int>, arg1: int, arg2: int) None
set_index_map(self: dolfinx.cpp.mesh.Topology, arg0: int, arg1: dolfinx.cpp.common.IndexMap) None
dolfinx.cpp.mesh.build_dual_graph(arg0: MPICommWrapper, arg1: dolfinx::graph::AdjacencyList<long>, arg2: int) Tuple[dolfinx::graph::AdjacencyList<long>, List[int[2]]]
dolfinx.cpp.mesh.cell_dim(arg0: dolfinx.cpp.mesh.CellType) int
dolfinx.cpp.mesh.cell_entity_type(arg0: dolfinx.cpp.mesh.CellType, arg1: int) dolfinx.cpp.mesh.CellType
dolfinx.cpp.mesh.cell_normals(arg0: dolfinx::mesh::Mesh, arg1: int, arg2: numpy.ndarray[numpy.int32]) numpy.ndarray[numpy.float64]
dolfinx.cpp.mesh.cell_num_entities(arg0: dolfinx.cpp.mesh.CellType, arg1: int) int
dolfinx.cpp.mesh.cell_num_vertices(arg0: dolfinx.cpp.mesh.CellType) int
dolfinx.cpp.mesh.compute_boundary_facets(arg0: dolfinx::mesh::Topology) List[bool]
dolfinx.cpp.mesh.compute_connectivity(arg0: dolfinx::mesh::Topology, arg1: int, arg2: int) List[dolfinx::graph::AdjacencyList<int>[2]]
dolfinx.cpp.mesh.compute_entities(arg0: MPICommWrapper, arg1: dolfinx::mesh::Topology, arg2: int) Tuple[dolfinx::graph::AdjacencyList<int>, dolfinx::graph::AdjacencyList<int>, dolfinx.cpp.common.IndexMap]
dolfinx.cpp.mesh.create_mesh(arg0: MPICommWrapper, arg1: dolfinx::graph::AdjacencyList<long>, arg2: dolfinx::fem::CoordinateElement, arg3: numpy.ndarray[numpy.float64], arg4: dolfinx::mesh::GhostMode, arg5: Callable[[MPICommWrapper, int, int, dolfinx::graph::AdjacencyList<long>, dolfinx::mesh::GhostMode], dolfinx::graph::AdjacencyList<int>]) dolfinx::mesh::Mesh

Helper function for creating meshes.

dolfinx.cpp.mesh.create_meshtags(*args, **kwargs)

Overloaded function.

  1. create_meshtags(arg0: dolfinx.cpp.mesh.Mesh, arg1: int, arg2: dolfinx::graph::AdjacencyList<int>, arg3: numpy.ndarray[numpy.int8]) -> dolfinx.cpp.mesh.MeshTags_int8

  2. create_meshtags(arg0: dolfinx.cpp.mesh.Mesh, arg1: int, arg2: dolfinx::graph::AdjacencyList<int>, arg3: numpy.ndarray[numpy.int32]) -> dolfinx.cpp.mesh.MeshTags_int32

  3. create_meshtags(arg0: dolfinx.cpp.mesh.Mesh, arg1: int, arg2: dolfinx::graph::AdjacencyList<int>, arg3: numpy.ndarray[numpy.float64]) -> dolfinx.cpp.mesh.MeshTags_double

  4. create_meshtags(arg0: dolfinx.cpp.mesh.Mesh, arg1: int, arg2: dolfinx::graph::AdjacencyList<int>, arg3: numpy.ndarray[numpy.int64]) -> dolfinx.cpp.mesh.MeshTags_int64

dolfinx.cpp.mesh.entities_to_geometry(arg0: dolfinx.cpp.mesh.Mesh, arg1: int, arg2: numpy.ndarray[numpy.int32], arg3: bool) numpy.ndarray[numpy.int32]
dolfinx.cpp.mesh.exterior_facet_indices(arg0: dolfinx.cpp.mesh.Mesh) List[int]
dolfinx.cpp.mesh.extract_topology(arg0: dolfinx.cpp.mesh.CellType, arg1: dolfinx::fem::ElementDofLayout, arg2: dolfinx::graph::AdjacencyList<long>) dolfinx::graph::AdjacencyList<long>
dolfinx.cpp.mesh.get_entity_vertices(arg0: dolfinx.cpp.mesh.CellType, arg1: int) dolfinx::graph::AdjacencyList<int>
dolfinx.cpp.mesh.h(arg0: dolfinx::mesh::Mesh, arg1: int, arg2: numpy.ndarray[numpy.int32]) numpy.ndarray[numpy.float64]

Compute maximum distance between any two vertices.

dolfinx.cpp.mesh.is_simplex(arg0: dolfinx.cpp.mesh.CellType) bool
dolfinx.cpp.mesh.locate_entities(arg0: dolfinx.cpp.mesh.Mesh, arg1: int, arg2: Callable[[numpy.ndarray[numpy.float64]], numpy.ndarray[bool]]) numpy.ndarray[numpy.int32]
dolfinx.cpp.mesh.locate_entities_boundary(arg0: dolfinx.cpp.mesh.Mesh, arg1: int, arg2: Callable[[numpy.ndarray[numpy.float64]], numpy.ndarray[bool]]) numpy.ndarray[numpy.int32]
dolfinx.cpp.mesh.midpoints(arg0: dolfinx::mesh::Mesh, arg1: int, arg2: numpy.ndarray[numpy.int32]) numpy.ndarray[numpy.float64]
dolfinx.cpp.mesh.partition_cells_graph(arg0: MPICommWrapper, arg1: int, arg2: int, arg3: dolfinx::graph::AdjacencyList<long>, arg4: dolfinx.cpp.mesh.GhostMode) dolfinx::graph::AdjacencyList<int>
dolfinx.cpp.mesh.to_string(arg0: dolfinx.cpp.mesh.CellType) str
dolfinx.cpp.mesh.to_type(arg0: str) dolfinx.cpp.mesh.CellType