dolfinx.cpp.mesh

Mesh library module

Classes

CellType(value[, names, module, qualname, ...])
DiagonalType(value[, names, module, ...])
Geometry_float32(self, index_map, dofmap[, ...])	Geometry object
Geometry_float64(self, index_map, dofmap[, ...])	Geometry object
GhostMode(value[, names, module, qualname, ...])
MeshTags_float64(self, arg0, arg1, arg2[, ...])	MeshTags object
MeshTags_int32(self, arg0, arg1, arg2[, ...])	MeshTags object
MeshTags_int64(self, arg0, arg1, arg2[, ...])	MeshTags object
MeshTags_int8(self, arg0, arg1, arg2[, ...])	MeshTags object
Mesh_float32(self, comm, topology, geometry)	Mesh object
Mesh_float64(self, comm, topology, geometry)	Mesh object
Topology(self, comm, cell_type, vertex_map, ...)	Topology object

class dolfinx.cpp.mesh.CellType(value, names=<not given>, *values, module=None, qualname=None, type=None, start=1, boundary=None)

Bases: Enum

hexahedron = -8

interval = 2

property name

(self) -> object

point = 1

prism = -6

pyramid = -5

quadrilateral = -4

tetrahedron = 4

triangle = 3

class dolfinx.cpp.mesh.DiagonalType(value, names=<not given>, *values, module=None, qualname=None, type=None, start=1, boundary=None)

Bases: Enum

crossed = 2

left = 0

left_right = 4

right = 1

right_left = 5

class dolfinx.cpp.mesh.Geometry_float32(self, index_map: dolfinx.cpp.common.IndexMap, dofmap: ndarray[dtype=int32, shape=(*, *), order='C', writable=False], element: dolfinx.cpp.fem.CoordinateElement_float32, x: ndarray[dtype=float32, shape=(*, *), writable=False], input_global_indices: ndarray[dtype=int64, shape=(*), order='C', writable=False])

Bases: object

Geometry object

property cmap

The coordinate map

cmaps

The ith coordinate map

property dim

Geometric dimension

property dofmap

(self) -> numpy.ndarray[dtype=int32, writable=False]

dofmaps

Get the geometry dofmap associated with coordinate element i (mixed topology)

index_map

property input_global_indices

(self) -> numpy.ndarray[dtype=int64, writable=False]

property x

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

class dolfinx.cpp.mesh.Geometry_float64(self, index_map: dolfinx.cpp.common.IndexMap, dofmap: ndarray[dtype=int32, shape=(*, *), order='C', writable=False], element: dolfinx.cpp.fem.CoordinateElement_float64, x: ndarray[dtype=float64, shape=(*, *), writable=False], input_global_indices: ndarray[dtype=int64, shape=(*), order='C', writable=False])

Bases: object

Geometry object

property cmap

The coordinate map

cmaps

The ith coordinate map

property dim

Geometric dimension

property dofmap

(self) -> numpy.ndarray[dtype=int32, writable=False]

dofmaps

Get the geometry dofmap associated with coordinate element i (mixed topology)

index_map

property input_global_indices

(self) -> numpy.ndarray[dtype=int64, writable=False]

property x

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

class dolfinx.cpp.mesh.GhostMode(value, names=<not given>, *values, module=None, qualname=None, type=None, start=1, boundary=None)

Bases: Enum

none = 0

shared_facet = 1

shared_vertex = 2

class dolfinx.cpp.mesh.MeshTags_float64(self, arg0: dolfinx.cpp.mesh.Topology, arg1: int, arg2: ndarray[dtype=int32, shape=(*), order='C', writable=False], arg3: ndarray[dtype=float64, shape=(*), order='C', writable=False], /)

Bases: object

MeshTags object

property dim

(self) -> int

property dtype

(self) -> str

find

property indices

(self) -> numpy.ndarray[dtype=int32, writable=False]

property name

(self) -> str

property topology

(self) -> dolfinx.cpp.mesh.Topology

property values

(self) -> numpy.ndarray[dtype=float64, writable=False]

class dolfinx.cpp.mesh.MeshTags_int32(self, arg0: dolfinx.cpp.mesh.Topology, arg1: int, arg2: ndarray[dtype=int32, shape=(*), order='C', writable=False], arg3: ndarray[dtype=int32, shape=(*), order='C', writable=False], /)

Bases: object

MeshTags object

property dim

(self) -> int

property dtype

(self) -> str

find

property indices

(self) -> numpy.ndarray[dtype=int32, writable=False]

property name

(self) -> str

property topology

(self) -> dolfinx.cpp.mesh.Topology

property values

(self) -> numpy.ndarray[dtype=int32, writable=False]

class dolfinx.cpp.mesh.MeshTags_int64(self, arg0: dolfinx.cpp.mesh.Topology, arg1: int, arg2: ndarray[dtype=int32, shape=(*), order='C', writable=False], arg3: ndarray[dtype=int64, shape=(*), order='C', writable=False], /)

Bases: object

MeshTags object

property dim

(self) -> int

property dtype

(self) -> str

find

property indices

(self) -> numpy.ndarray[dtype=int32, writable=False]

property name

(self) -> str

property topology

(self) -> dolfinx.cpp.mesh.Topology

property values

(self) -> numpy.ndarray[dtype=int64, writable=False]

class dolfinx.cpp.mesh.MeshTags_int8(self, arg0: dolfinx.cpp.mesh.Topology, arg1: int, arg2: ndarray[dtype=int32, shape=(*), order='C', writable=False], arg3: ndarray[dtype=int8, shape=(*), order='C', writable=False], /)

Bases: object

MeshTags object

property dim

(self) -> int

property dtype

(self) -> str

find

property indices

(self) -> numpy.ndarray[dtype=int32, writable=False]

property name

(self) -> str

property topology

(self) -> dolfinx.cpp.mesh.Topology

property values

(self) -> numpy.ndarray[dtype=int8, writable=False]

class dolfinx.cpp.mesh.Mesh_float32(self, comm: MPICommWrapper, topology: dolfinx.cpp.mesh.Topology, geometry: dolfinx.cpp.mesh.Geometry_float32)

Bases: object

Mesh object

property comm

(self) -> MPICommWrapper

property geometry

Mesh geometry

property name

(self) -> str

property topology

Mesh topology

class dolfinx.cpp.mesh.Mesh_float64(self, comm: MPICommWrapper, topology: dolfinx.cpp.mesh.Topology, geometry: dolfinx.cpp.mesh.Geometry_float64)

Bases: object

Mesh object

property comm

(self) -> MPICommWrapper

property geometry

Mesh geometry

property name

(self) -> str

property topology

Mesh topology

class dolfinx.cpp.mesh.Topology(self, comm: MPICommWrapper, cell_type: dolfinx.cpp.mesh.CellType, vertex_map: dolfinx.cpp.common.IndexMap, cell_map: dolfinx.cpp.common.IndexMap, cells: dolfinx.cpp.graph.AdjacencyList_int32, original_index: ndarray[dtype=int64, shape=(*), order='C', writable=False] | None)

Bases: object

Topology object

property cell_type

(self) -> dolfinx.cpp.mesh.CellType

property comm

(self) -> MPICommWrapper

connectivity

create_connectivity

create_entities

create_entity_permutations

property dim

Topological dimension

property entity_types

(self) -> list[list[dolfinx.cpp.mesh.CellType]]

get_cell_permutation_info

get_facet_permutations

index_map

index_maps

interprocess_facets

property original_cell_index

(self) -> numpy.ndarray[dtype=int64, writable=False]

set_connectivity

set_index_map