Functions to create the actual illustrations that appear
in the book.
Usage
P.backcolor(filename = "backcolor.png")
Arguments
filename
either a character string for the name of the pdf or png file,
or NULL to send the plot to the current graphics
device.
Value
nothing useful.
Side effects
either a file is created or changed, or a plot is
sent to the current graphics device. The exception is P.template which merely has the form
of a function of this sort.
P.backcolor(NULL)
# see all the specific plot functionsls("package:TaoTeProgramming", pattern='^P')
# view a random plotget(sample(ls("package:TaoTeProgramming", pattern='^P')))(NULL)