Add a layer or element to an arphitgg graph.

Add a layer or element to an arphitgg graph.

# S3 method for arphit.gg
+(gg, element)

Arguments

gg	An arphitgg built graph.
element	The element to add to the graph.

See also

vignette("plotting-options", package = "arphit") for a detailed description of all the plotting options