An octant identifier.
Each octant can be identified by a positional key and a level.
Constructs a new octant ID.
The key.
The level.
Clones this octant identifier.
The cloned octant ID.
Copies the given octant identifier.
An octant ID.
This octant ID.
Sets the key and level.
This ID.
An octant identifier.
Each octant can be identified by a positional key and a level.