iggtree: Provide basic components for the interactive version of ggtree

📰 Description

Provides functions to render ‘ggtree’ objects as interactive graphics using the ‘ggiraph’ package. Adds support for interactive tooltips, data point selection, and click events to phylogenetic trees.

✍️ Author

Shuangbin Xu and Guangchuang Yu

School of Basic Medical Sciences, Southern Medical University

⏬ Installation

#It can be installed via GitHub.
if (!requireNamespace("remotes", quietly=TRUE))
    install.packages("remotes")
remotes::install_github("YuLab-SMU/iggtree")

📰 Usage

library(ggplot2)
library(ggiraph)
library(iggtree)
# Note: the ggtree should be re-installed via
# remotes::install_github("xiangpin/ggtree@use_iggtree_ggiraph")
library(ggtree)

set.seed(123)
tr <- rtree(20)
dt <- data.frame(id = c(36, 38), type=c("A", "B"))
p <- ggtree(
       tr, 
       mapping = aes(
           tooltip = round(branch.length, 2), 
           data_id = node
         )
     ) +
     geom_hilight(
        data = dt, 
        mapping = aes(
           node = id, 
           fill = type, 
           tooltip = paste0("clade of node ", id), 
           data_id = type
        ), 
        to.bottom = TRUE
     )

girafe(ggobj = p)

💖 Contributing

We welcome any contributions! By participating in this project you agree to abide by the terms outlined in the Contributor Code of Conduct.