add_geo_timescale: Add geological timescale to a tree plot

In Rclade: Automated Deep-Time Phylogenetic Tree Collapsing and Visualization

Add geological timescale to a tree plot

Description

Add geological timescale to a tree plot

Usage

add_geo_timescale(
  p,
  tree,
  levels,
  layout,
  version = "ICS 2023/02",
  actual_ntips = NULL,
  timescale_mode = "radial",
  timescale_position = "right",
  angle = 360,
  tree_start_position = "right"
)

Arguments

p	ggplot object
tree	phylo object (edge lengths in Ma)
levels	Timescale levels vector, e.g., c("eras", "eons")
layout	Layout type
version	Geological timescale version. Default: "ICS 2023/02".

Value

ggplot object

Rclade documentation built on Sept. 26, 2026, 5:07 p.m.