[R] Saving a map as a postscript file

Hi all, I am running the script below to produce a map. The problem I am having is saving it as a postscript file. A postscript file is created, but it is blank. I have also run this is linux (with different paths) and I get the same thing (blank postscript file). Does anyone know how to do thi

[R] Map plotting in a box

Hi everyone, I am using the script below to create a map plot of Ireland. library(ncdf)library(maps)library(mapdata)library(maptools)library(RColorBrewer)shapefile<-readShapeLines("C:\\Users\\sophysics\\Desktop\\IRL_adm\\IRL_adm1.shp")file<-open.ncdf("C:\\Users\\sophysics\\Desktop\\TempData\\avera