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`(args, *kwargs)	Overloaded function.
`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.

create_meshtags(arg0: dolfinx.cpp.mesh.Mesh, arg1: int, arg2: dolfinx::graph::AdjacencyList<int>, arg3: numpy.ndarray[numpy.int8]) -> dolfinx.cpp.mesh.MeshTags_int8
create_meshtags(arg0: dolfinx.cpp.mesh.Mesh, arg1: int, arg2: dolfinx::graph::AdjacencyList<int>, arg3: numpy.ndarray[numpy.int32]) -> dolfinx.cpp.mesh.MeshTags_int32
create_meshtags(arg0: dolfinx.cpp.mesh.Mesh, arg1: int, arg2: dolfinx::graph::AdjacencyList<int>, arg3: numpy.ndarray[numpy.float64]) -> dolfinx.cpp.mesh.MeshTags_double
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(*args, **kwargs)¶

Overloaded function.

midpoints(arg0: dolfinx::mesh::Mesh, arg1: int, arg2: tcb::span<int const, -1l>) -> xt::xtensor_container<xt::uvector<double, std::allocator<double> >, 2ul, (xt::layout_type)1, xt::xtensor_expression_tag>
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 ¶

dolfinx.cpp.mesh¶

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