This class is used to transfer information to Graphviz
that is necessary to represent and plot a node.
Arguments
Objects from the Class
Objects can be created by calls of the form new("pNode", ...).
Slots
name:
Object of class "character": The name of
the node, used to reference the node.
attrs:
Object of class "list": A list of
attributes specific to this node.
subG:
Object of class "integer": Which subgraph
this node is a part of.
Methods
name
signature(object = "pNode"): Retrieves the
name slot of the object.
Details
The attrs slot is a named list, where the names correspond to
attributes and the values in the list correspond to the value for that
element's attribute.
The subG slot describes which subgraph this node is a part of.
A value of 0 implies that the node is not a member of any subgraph.