geom_rootedge
display root edge
geom_rootedge(rootedge = NULL, ...)
rootedge |
length of rootedge; use phylo$root.edge if rootedge = NULL (by default). |
... |
additional parameters Additional parameters can be referred to the following parameters:
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geom_rootedge is used to create a rootedge.
ggtree rootedge layer
Guangchuang Yu
G Yu, DK Smith, H Zhu, Y Guan, TTY Lam (2017). ggtree: an R package for visualization and annotation of phylogenetic trees with their covariates and other associated data. Methods in Ecology and Evolution, 8(1):28-36. https://doi.org/10.1111/2041-210X.12628
library(ggtree) set.seed(123) ## with root edge = 1 tree1 <- read.tree(text='((A:1,B:2):3,C:2):1;') ggtree(tree1) + geom_tiplab() + geom_rootedge() ## without root edge tree2 <- read.tree(text='((A:1,B:2):3,C:2);') ggtree(tree2) + geom_tiplab() + geom_rootedge() ## setting root edge tree2$root.edge <- 2 ggtree(tree2) + geom_tiplab() + geom_rootedge() ## specify length of root edge for just plotting ## this will ignore tree$root.edge ggtree(tree2) + geom_tiplab() + geom_rootedge(rootedge = 3) ## For more information about tree visualization, please refer to the online book ## https://yulab-smu.top/treedata-book/chapter4.html
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