Arguments
edge.list
A list of vectors identifying the edges (between vertices).
Each vector of edge.list should be a vector of
integers giving the indices of the vertices of an edge, or
a vector of tex
vertices
The list of vertices,
each of a class containing VertexProto.
factorvertices
The list of factorvertices,
each of a class containing FactorVertexProto.
width
A numeric with the initial width of the factor edges.
color
A text string giving the initial color
of the factor edges.
type
A text string giving the type of the factor edges.