HalfFace.halfface_adjacent_halfface

HalfFace.halfface_adjacent_halfface(halfface, halfedge)

Return the halfface adjacent to the halfface across the halfedge.

Parameters:

halffaceint

The identifier of the halfface.

halfedgetuple[int, int]

The identifier of the halfedge.

Returns:

int | None

The identifier of the adjacent half-face, or None if halfedge is on the boundary.

See also

halfface_opposite_halfface()

Notes

The adjacent face belongs a to one of the cell neighbors over faces of the initial cell. A face and its adjacent face share two common vertices.