Add a colorbar to an ortho2 object

Adds a series of colors mapped to a value

colorbar(breaks, col, text.col = "white", labels = TRUE, maxleft = 0.95)

Arguments

breaks	a set of finite numeric breakpoints for the colours (see image
col	a list of colors (see image
text.col	axis and text label color
labels	labels for tick marks - see axis
maxleft	Extent the left hand for colorbar

Value

A plot

Note

Much of this was taken from vertical.image.legend from the aqfig package