AbstractGets the position for the given Node/Group as dictated by either the left/top properties, or some other nominated pair, in the Node/Group's data.
This position is what the Absolute layout uses itself, and this method exposes the absolute position for subclasses that wish to make use
of the absolute backing.
Node/Group to get absolute position for.
Optionalparameters: LayoutParametersConstructor parameters. May contain a custom locationFunction.
This class is the parent of layouts intended to arrange hierarchical data, specifically the BalloonLayout and HierarchicalLayout (which is now deprecated). Users of the API do not need to interact with this class.