pal {sp} | R Documentation |
North Carolina county boundaries in e00 (ArcInfo) format for counties from the 1990 census.
data(co37_d90_arc) data(co37_d90_pal) data(co37_d90_pat)
The format is as read by functions in the RArcInfo package
http://www.census.gov/geo/cob/bdy/co/co90e00/co37_d90_e00.zip
## Not run: library(RArcInfo) fl <- "http://www.census.gov/geo/cob/bdy/co/co90e00/co37_d90_e00.zip" download.file(fl, "co37_d90_e00.zip") e00 <- zip.file.extract("co37_d90.e00", "co37_d90_e00.zip") e00toavc(e00, "nc") arc <- get.arcdata(".", "nc") pal <- get.paldata(".", "nc") sapply(pal[[2]], function(x) length(x[[1]])) pat <- get.tabledata("info", "NC.PAT") ## End(Not run) data(co37_d90_arc) data(co37_d90_pal) data(co37_d90_pat) IDs <- paste(pat$ST[-1], pat$CO[-1], sep="") nc3 <- as.SpatialPolygons.pal(arc, pal, IDs=IDs) plotSpatialPolygons(nc3) invisible(text(getSpPPolygonsLabptSlots(nc3), labels=getSpPPolygonsIDSlots(nc3), cex=0.6))