boundary(x, ...)# S3 method for soap.film
boundary(x, ...)
# S3 method for gam
boundary(x, select, ...)
A list of lists or data frames specifying the loops that define the boundary of the soap film smooth.
an R object. Currently only objects that inherit from classes
"soap.film"
and "gam"
.
arguments passed to other methods.
character; the label of the soap film smooth from which to extract the boundary.