ForceVolMesh.vertex_attribute
- ForceVolMesh.vertex_attribute(vertex, name, value=None)
 Get or set an attribute of a vertex.
- Parameters
 vertex (int) – The vertex identifier.
name (str) – The name of the attribute
value (obj, optional) – The value of the attribute.
- Returns
 object or None – The value of the attribute, or
Noneif the vertex does not exist or when the function is used as a “setter”.- Raises
 KeyError – If the vertex does not exist.