ndelement.reference_cell

Reference cell information.

Classes

ReferenceCellType

Reference cell type.

Functions

dim(→ int)	Get the topological dimension of a reference cell.
is_simplex(→ bool)	Check if a reference cell is a simplex.
vertices(→ numpy.typing.NDArray)	Get the vertices of a reference cell.
midpoint(→ numpy.typing.NDArray)	Get the midpoint of a reference cell.
edges(→ List[List[int]])	Get the edges of a reference cell.
faces(→ List[List[int]])	Get the faces of a reference cell.
volumes(→ List[List[int]])	Get the volumes of a reference cell.
entity_types(→ List[List[ReferenceCellType]])	Get the types of the sub-entities of a reference cell.
entity_counts(→ List[int])	Get the number of the sub-entities of each dimension for a reference cell.
connectivity(→ List[List[List[List[int]]]])	Get the connectivity of a reference cell.
compute_orientation(→ numpy.int32)	Compute a 32-bit integer encoding the orientation differences between the reference cell and a cell.

Module Contents

class ndelement.reference_cell.ReferenceCellType

Bases: enum.Enum

Reference cell type.

Point = 0

Interval = 1

Triangle = 2

Quadrilateral = 3

Tetrahedron = 4

Hexahedron = 5

Prism = 6

Pyramid = 7

ndelement.reference_cell.dim(cell: ReferenceCellType) → int

Get the topological dimension of a reference cell.

ndelement.reference_cell.is_simplex(cell: ReferenceCellType) → bool

Check if a reference cell is a simplex.

ndelement.reference_cell.vertices(cell: ReferenceCellType, dtype: Type[numpy.floating] = np.float64) → numpy.typing.NDArray

Get the vertices of a reference cell.

ndelement.reference_cell.midpoint(cell: ReferenceCellType, dtype: Type[numpy.floating] = np.float64) → numpy.typing.NDArray

Get the midpoint of a reference cell.

ndelement.reference_cell.edges(cell: ReferenceCellType) → List[List[int]]

Get the edges of a reference cell.

ndelement.reference_cell.faces(cell: ReferenceCellType) → List[List[int]]

Get the faces of a reference cell.

ndelement.reference_cell.volumes(cell: ReferenceCellType) → List[List[int]]

Get the volumes of a reference cell.

ndelement.reference_cell.entity_types(cell: ReferenceCellType) → List[List[ReferenceCellType]]

Get the types of the sub-entities of a reference cell.

ndelement.reference_cell.entity_counts(cell: ReferenceCellType) → List[int]

Get the number of the sub-entities of each dimension for a reference cell.

ndelement.reference_cell.connectivity(cell: ReferenceCellType) → List[List[List[List[int]]]]

Get the connectivity of a reference cell.

ndelement.reference_cell.compute_orientation(cell: ReferenceCellType, vertices: List[int]) → numpy.int32

Compute a 32-bit integer encoding the orientation differences between the reference cell and a cell.