R: Add color bar to a plot

add.color.bar {phytools}

R Documentation

Add color bar to a plot

Description

This function adds a color bar to a plot created by plotBranchbyTrait. A color bar can be added by clicking on a location within the plot (when prompt=TRUE) or by setting prompt=FALSE and supplying x & y coordinates for the object. This function is also used internally by plot.contMap and plot.densityMap.

Usage

add.color.bar(leg, cols, title=NULL, lims=c(0,1), digits=1, prompt=TRUE,
	lwd=4, outline=TRUE, ...)

Arguments

`leg`	numerical value for the length of the legend.
`cols`	colors for the legend.
`title`	text to plot above the bar.
`lims`	range for the bar.
`digits`	digits for plotted numbers.
`prompt`	logical value indicating whether the location of the legend should be obtained interactively.
`lwd`	width of the plotted bar.
`outline`	logical value indicated whether or not to outline the plotted color bar with a 1 pt line.
`...`	optional arguments including: `x` x-coordinate of the legend (if `prompt=FALSE`); `y` y-coordinate of the legend; `subtitle` optional legend subtitle.

Author(s)

Liam Revell liam.revell@umb.edu

References