% Generated by roxygen2: do not edit by hand
% Please edit documentation in R/geom_taxalink.R
  curvature = 0.5,
  arrow = NULL,
  arrow.fill = NULL,
\item{taxa1}{taxa1, can be label or node number}

\item{taxa2}{taxa2, can be label or node number}

\item{curvature}{A numeric value giving the amount of curvature.
Negative values produce left-hand curves,
positive values produce right-hand curves, and zero produces a straight line.}

\item{arrow}{specification for arrow heads, as created by arrow().}

\item{arrow.fill}{fill color to usse for the arrow head (if closed). \code{NULL} means use \code{colour} aesthetic.}

\item{...}{additional parameter}
ggplot layer
link between taxa
Guangchuang Yu