plotBG: Plot a colored plot background

Description

plotBG colors the plot background of the plot region (not the device region!).

Usage

plotBG(color, exp.factor = 1, xlim = c(), ylim = c(), ...)

Arguments

color

color: which color to use

exp.factor

integer:possible expansion factor to use if very high values are plotted

xlim

ylim

...

further arguments passed to plot()

Value

Details

The function opens a plot with no content and plots a very large polygon of the given color. Afterwards a new high level plot can be plotted over this background.