tree.layout: tree.layout

In ArtPoon/ggfree: ggplot2-style plots with base R graphics

tree.layout

Description

Generate the coordinates for the nodes and edges of a phylogenetic tree (ape:phylo object) using one of several layout algorithms. Used before calling the generic plot functions (plot, points).

Usage

tree.layout(phy, type = "r", unscaled = FALSE)

Arguments

phy:	an S3 object of class 'phylo“
type:	what type of layout algorithm to employ: "r"Rectangular layout "s"Slanted (triangular) layout "u"Unrooted (equal-angle) layout "o"Circular (radial) layout
unscaled:	if TRUE, return a cladogram layout

Value

S3 object of class 'phyloLayout'

Examples

require(ape)
phy <- rcoal(20)
lay <- tree.layout(phy, 'r')
head(lay$edges)

ArtPoon/ggfree documentation built on July 11, 2024, 11:15 a.m.