R/USbb.R

In FIRST-Data-Lab/Triangulation: Triangulation for 2D domain

#' United States of America Domain Boundary Data
#'
#' A list of coordinates of the boundary vertices of the United States of America
#'
#' @format \code{USbb} is a dataframe with vertices information of the modified external boundaries of the mainland of the United States of America.
#' \describe{
#'   \item{x.coord}{The latitudes of the external boundary.}
#'   \item{y.coord}{The longtitudes of the external boundary.}
#' }
#' @usage data('USbb')
#' @references Data courtesy by First-Data-Lab, 2022.
"USbb"