HalfFace.vertex_attribute

HalfFace.vertex_attribute(vertex, name, value=None)

Get or set an attribute of a vertex.

Parameters:

vertexint

The vertex identifier.

namestr

The name of the attribute

valueobject, optional

The value of the attribute.

Returns:

object | None

The value of the attribute, or None when the function is used as a “setter”.

Raises:

KeyError

If the vertex does not exist.

See also

unset_vertex_attribute()

vertex_attributes(), vertices_attribute(), vertices_attributes()

edge_attribute(), face_attribute(), cell_attribute()