pEdge-class
Class "pEdge": A class to represent an edge
This class is used to represent all necessary information to plot an edge in Graphviz
- Keywords
- classes
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 edge is a part of.
A value of 0
implies that the edge is not a member of any subgraph.
Objects from the Class
Objects can be created by calls of the form new("pEdge", ...)
.
Slots
from
:- Object of class
"character"
: The name of the node on the tail of this edge. to
:- Object of class
"character"
: The name of the node on the head of this edge. attrs
:- Object of class
"list"
: A list of attributes specific to this edge. subG
:- Object of class
"integer"
: Which subgraph this edge is a part of.
Methods
- from
signature(object = "pEdge")
: Retrieves thefrom
slot of this edge- to
signature(object = "pEdge")
: Retrieves theto
slot of this edge
See Also
Examples
set.seed(123)
V <- letters[1:10]
M <- 1:4
g1 <- randomGraph(V, M, .2)
z <- buildEdgeList(g1)
vv <- z[[1]] ## Object of type pEdge
vv
from(vv)
to(vv)
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