TITLE(postscript @@ PostScript Graphics)
USAGE(
postscript(file="Rplots.ps", paper="a4", landscape=TRUE,
        width, height, family="Helvetica", pointsize=12,
        bg="white", fg="black")
)
ALIAS(postscript)
ARGUMENTS(
ARG(file @@ the name of a file to print to, it must be a quoted string.)
ARG(paper @@ the size of paper in the printer.  The choices are
LANG("a4"), LANG("letter"), LANG("legal") and LANG("executive").)
ARG(landscape @@ the orientation of the printed image, a logical.)
ARG(width,height @@ the width, and height of the graphics region in inches.
The default is to use the entire page.)
ARG(family @@ the font family to be used.
This must be one of LANG("AvantGarde"),
LANG("Bookman"), LANG("Courier"), LANG("Helvetica"),
LANG("Helvetica-Narrow"), LANG("NewCenturySchoolbook"),
LANG("Palatino") or LANG("Times").)
ARG(pointsize @@ the default point size to be used.)
ARG(bg @@ the default background color to be used.)
ARG(bg @@ the default foreground color to be used.)
)
DESCRIPTION(
The file LANG(file) is opened and the PostScript commands needed to 
plot any graphics requested are stored in that file.
This file can then be printed on a suitable device to obtain hard
copy.
)
SEEALSO(
LANG(LINK(x11)), LANG(LINK(macintosh)), LANG(LINK(device)).
)
EXAMPLES(
# open the file "foo.ps" for graphics output
postscript("foo.ps")
BLANK
plot(xx,yy)# produce the desired graph(s)
## dev.off()# turn off the postscript device
)
