This function is a convenience wrapper around graphics::legend()
. It will show the AQI colors and
names by default if col
and legend
are not specified.
addAQILegend(
x = "topright",
y = NULL,
col = rev(AQI$colors),
legend = rev(AQI$names),
pch = 16,
title = "Air Quality Index",
...
)
x coordinate passed on to the legend()
command
y coordinate passed on to the legend()
command
the color for points/lines in the legend
a character vector to be shown in the legend
plotting symbols in the legend
title for the legend
additional arguments to be passed to legend()