ggpolypath
A ggplot2 geom for polygons with holes, called 'geom_polypath'.
Install
Install from CRAN.
install.packages("ggpolypath")Install the development version.
## install from Github
devtools::install_github("mdsumner/ggpolypath")Example
See the vignette for examples.
vignette("ggpolypath")Gory details
More examples, and more detail than you probably need can be found here: