simpleAxisPhylo: simpleAxisPhylo
In santiagosnchez/rBt: r BEAST tools (rBt)

Description Usage Arguments Value See Also Examples

Adds an x-axis to the latest plotted tree with minor with custom tickmarks and minor tickmarks.

1	simpleAxisPhylo(at = NULL, minor = NULL, ...)

`at`	a vector of points where to place major tickmarks
`minor`	NULL or numeric factor by which to divide intervals
`...`	further arguments passed to `axis`

x-axis (side 1)

axis axisPhylo

# simulate coalescent tree and plot
set.seed(1)
tr <- rcoal(10)
plot(tr)

# add default axis
simpleAxisPhylo()

# add custom scale
plot(tr)
trange <- c(0, max(branching.times(tr)))
trange <- pretty(trange)
x <- seq(trange[1], rev(trange)[1], (diff(trange)/2)[1])
simpleAxisPhylo(at=x, minor=2)