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("gridBase-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('gridBase')
Loading required package: grid
> 
> assign(".oldSearch", search(), env = .CheckExEnv)
> assign(".oldNS", loadedNamespaces(), env = .CheckExEnv)
> cleanEx(); ..nameEx <- "baseViewports"
> 
> ### * baseViewports
> 
> flush(stderr()); flush(stdout())
> 
> ### Name: baseViewports
> ### Title: Generate grid Viewports from Base Plot
> ### Aliases: baseViewports
> ### Keywords: dplot
> 
> ### ** Examples
> 
> par(oma=rep(1, 4), mfrow=c(1, 2), xpd=NA)
> plot(1:10)
> vps <- baseViewports()
> pushViewport(vps$inner)
> grid.rect(gp=gpar(lwd=3, col="red"))
> pushViewport(vps$figure)
> grid.rect(gp=gpar(lwd=3, col="green"))
> pushViewport(vps$plot)
> grid.rect(gp=gpar(lwd=3, col="blue"))
> grid.points(1:10, 10:1)
> 
> 
> 
> graphics::par(get("par.postscript", env = .CheckExEnv))
> cleanEx(); ..nameEx <- "gridOMI"
> 
> ### * gridOMI
> 
> flush(stderr()); flush(stdout())
> 
> ### Name: Set Base Plot Regions
> ### Title: Set Base Plotting Regions from Grid Viewport
> ### Aliases: gridOMI gridFIG gridPLT gridPAR
> ### Keywords: dplot
> 
> ### ** Examples
> 
> opar <- par(no.readonly=TRUE)
> # gridFIG
> grid.newpage()
> pushViewport(viewport(width=0.5, height=0.5))
> grid.rect(gp=gpar(col="grey", lty="dashed"))
> par(fig=gridFIG())
> par(new=TRUE)
> plot(1:10)
> # multiple plots
> # NOTE the use of par(mfg)
> # gridOMI
> par(opar)
> grid.newpage()
> pushViewport(viewport(width=0.5, height=0.5))
> grid.rect(gp=gpar(col="grey", lty="dashed"))
> par(omi=gridOMI())
> par(mfrow=c(2, 2), mfg=c(1, 1), mar=c(3, 3, 1, 0))
> for (i in 1:4) {
+   plot(i)
+ }
> # gridPLT
> par(opar)
> grid.newpage()
> pushViewport(viewport(width=0.5, height=0.5))
> grid.rect(gp=gpar(col="grey", lwd=5))
> par(plt=gridPLT())
> par(new=TRUE)
> plot(1:10)
> # gridFIG with par(omi) set
> par(opar)
> grid.newpage()
> par(omi=rep(1, 4))
> pushViewport(viewport(width=0.5, height=0.5))
> grid.rect(gp=gpar(col="grey", lwd=5))
> par(fig=gridFIG())
> par(new=TRUE)
> plot(1:10)
> # gridPLT with par(omi) set
> par(opar)
> grid.newpage()
> par(omi=rep(1, 4))
> pushViewport(viewport(width=0.5, height=0.5))
> grid.rect(gp=gpar(col="grey", lwd=5))
> par(plt=gridPLT())
> par(new=TRUE)
> plot(1:10)
> # gridPAR
> par(opar)
> grid.newpage()
> pushViewport(viewport(width=0.5, height=0.5,
+   gp=gpar(col="red", lwd=3, lty="dotted")))
> grid.rect(gp=gpar(col="grey", lwd=5))
> par(fig=gridFIG())
> par(gridPAR())
> par(new=TRUE)
> plot(1:10, type="b")
> 
> 
> 
> graphics::par(get("par.postscript", env = .CheckExEnv))
> ### * <FOOTER>
> ###
> cat("Time elapsed: ", proc.time() - get("ptime", env = .CheckExEnv),"\n")
Time elapsed:  0.35 0.02 0.37 0 0 
> grDevices::dev.off()
null device 
          1 
> ###
> ### Local variables: ***
> ### mode: outline-minor ***
> ### outline-regexp: "\\(> \\)?### [*]+" ***
> ### End: ***
> quit('no')