R : Copyright 2005, The R Foundation for Statistical Computing
Version 2.1.1  (2005-06-20), ISBN 3-900051-07-0

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> ### * <HEADER>
> ###
> attach(NULL, name = "CheckExEnv")
> assign(".CheckExEnv", as.environment(2), pos = length(search())) # base
> ## add some hooks to label plot pages for base and grid graphics
> setHook("plot.new", ".newplot.hook")
> setHook("persp", ".newplot.hook")
> setHook("grid.newpage", ".gridplot.hook")
> 
> assign("cleanEx",
+        function(env = .GlobalEnv) {
+ 	   rm(list = ls(envir = env, all.names = TRUE), envir = env)
+            RNGkind("default", "default")
+ 	   set.seed(1)
+    	   options(warn = 1)
+ 	   delayedAssign("T", stop("T used instead of TRUE"),
+ 		  assign.env = .CheckExEnv)
+ 	   delayedAssign("F", stop("F used instead of FALSE"),
+ 		  assign.env = .CheckExEnv)
+ 	   sch <- search()
+ 	   newitems <- sch[! sch %in% .oldSearch]
+ 	   for(item in rev(newitems))
+                eval(substitute(detach(item), list(item=item)))
+ 	   missitems <- .oldSearch[! .oldSearch %in% sch]
+ 	   if(length(missitems))
+ 	       warning("items ", paste(missitems, collapse=", "),
+ 		       " have been removed from the search path")
+        },
+        env = .CheckExEnv)
> assign("..nameEx", "__{must remake R-ex/*.R}__", env = .CheckExEnv) # for now
> assign("ptime", proc.time(), env = .CheckExEnv)
> grDevices::postscript("mapproj-Examples.ps")
> assign("par.postscript", graphics::par(no.readonly = TRUE), env = .CheckExEnv)
> options(contrasts = c(unordered = "contr.treatment", ordered = "contr.poly"))
> options(warn = 1)    
> library('mapproj')
Loading required package: maps
> 
> assign(".oldSearch", search(), env = .CheckExEnv)
> assign(".oldNS", loadedNamespaces(), env = .CheckExEnv)
> cleanEx(); ..nameEx <- "map.grid"
> 
> ### * map.grid
> 
> flush(stderr()); flush(stdout())
> 
> ### Name: map.grid
> ### Title: Draw a latitude/longitude grid on a projected map
> ### Aliases: map.grid
> ### Keywords: aplot
> 
> ### ** Examples
> 
> library(maps)
> m <- map("usa",plot=FALSE)
> map("usa",project="albers",par=c(39,45))
> map.grid(m)
> 
> # get unprojected world limits
> m <- map('world',plot=FALSE)
> 
> # center on NYC
> map('world',proj='azequalarea',orient=c(41,-74,0))
> map.grid(m,col=2)
> points(mapproject(list(y=41,x=-74)),col=3,pch="x",cex=2)
> 
> map('world',proj='orth',orient=c(41,-74,0))
Warning in map("world", proj = "orth", orient = c(41, -74, 0)) : 
	 projection failed for some data
> map.grid(m,col=2,nx=6,ny=5,label=FALSE,lty=2)
> points(mapproject(list(y=41,x=-74)),col=3,pch="x",cex=2)
> 
> # center on Auckland
> map('world',proj='orth',orient=c(-36.92,174.6,0))
Warning in map("world", proj = "orth", orient = c(-36.92, 174.6, 0)) : 
	 projection failed for some data
> map.grid(m,col=2,label=FALSE,lty=2)
> points(mapproject(list(y=-36.92,x=174.6)),col=3,pch="x",cex=2)
> 
> m <- map('nz')
> # center on Auckland
> map('nz',proj='azequalarea',orient=c(-36.92,174.6,0))
> points(mapproject(list(y=-36.92,x=174.6)),col=3,pch="x",cex=2)
> map.grid(m,col=2)
> 
> 
> 
> cleanEx(); ..nameEx <- "mapproject"
> 
> ### * mapproject
> 
> flush(stderr()); flush(stdout())
> 
> ### Name: mapproject
> ### Title: Apply a Map Projection
> ### Aliases: mapproject
> ### Keywords: dplot
> 
> ### ** Examples
> 
> library(maps)
> # Bonne equal-area projection with state abbreviations
> map("state",proj='bonne', param=45)
> data(state)
> text(mapproject(state.center), state.abb)
> 
> # this does not work because the default orientations are different:
> map("state",proj='bonne', param=45)
> text(mapproject(state.center,proj='bonne',param=45),state.abb)
> 
> map("state",proj="albers",par=c(30,40))
> map("state",par=c(20,50)) # another Albers projection
> 
> map("world",proj="gnomonic",orient=c(0,-100,0)) # example of orient
Warning in map("world", proj = "gnomonic", orient = c(0, -100, 0)) : 
	 projection failed for some data
> # see map.grid for more examples
> 
> 
> 
> ### * <FOOTER>
> ###
> cat("Time elapsed: ", proc.time() - get("ptime", env = .CheckExEnv),"\n")
Time elapsed:  1.65 0.88 6.63 0 0 
> grDevices::dev.off()
null device 
          1 
> ###
> ### Local variables: ***
> ### mode: outline-minor ***
> ### outline-regexp: "\\(> \\)?### [*]+" ***
> ### End: ***
> quit('no')