R/ik_gg_gghole.R

In ikashnitsky/ik: Just a set of my own functions

gghole <- function(fort){
        poly <- fort[fort$id %in% fort[fort$hole,]$id,]
        hole <- fort[!fort$id %in% fort[fort$hole,]$id,]
        out <- list(poly,hole)
        names(out) <- c('poly','hole')
        return(out)
}