sp (version 0.7-8)

ncmap: North Carolina county boundaries (maps)

Description

North Carolina county boundaries in maps package format

Usage

data(ncmap)

format

The format is: List of 4 $ x : num [1:3771] -79.5 -79.5 -79.5 -79.5 -79.5 ... $ y : num [1:3771] 35.8 35.9 35.9 36.0 36.2 ... $ range: num [1:4] -84.3 -75.5 33.9 36.6 $ names: chr [1:102] "north carolina,alamance" "north carolina,alexander" ... - attr(*, "class")= chr "map"

Examples

library(maps)
ncmap <- map("county", "north carolina", fill=TRUE, col="transparent", plot=FALSE)
data(ncmap)
IDs <- sapply(strsplit(ncmap$names, ","), function(x) x[2])
nc2 <- as.SpatialRings.map(ncmap, IDs)
plotSpatialRings(nc2)
invisible(text(getSRSringsLabptSlots(nc2), labels=getSRSringsIDSlots(nc2), cex=0.6))