The function geo.legend
adds a geological (or other temporal) legend to a plotted tree.
The function geo.palette
returns a geological time color palette to the user.
geo.legend(leg=NULL, colors=NULL, alpha=0.2, ...)
geo.palette()
a matrix with the starting & ending point of each plotted era in rows, & names of the time periods as rownames.
a vector of colors for the time periods of the rows in leg
.
transparency level to apply to colors
.
optional arguments.
geo.legend
adds a visual element to a plotted tree and invisible returns an object of class geo.legend
containing the time periods and colors of the painted legend.
geo.palette
simply returns a geological timescale color palette as an object of class "geo.palette"
.
Revell, L. J. (2012) phytools: An R package for phylogenetic comparative biology (and other things). Methods Ecol. Evol., 3, 217-223.