-## plot.phylo.R (2011-02-17)
+## plot.phylo.R (2011-06-14)
## Plot Phylogenies
## This file is part of the R-package `ape'.
## See the file ../COPYING for licensing issues.
-plot.phylo <- function(x, type = "phylogram", use.edge.length = TRUE,
- node.pos = NULL, show.tip.label = TRUE,
- show.node.label = FALSE, edge.color = "black",
- edge.width = 1, edge.lty = 1, font = 3, cex = par("cex"),
- adj = NULL, srt = 0, no.margin = FALSE,
- root.edge = FALSE, label.offset = 0, underscore = FALSE,
- x.lim = NULL, y.lim = NULL, direction = "rightwards",
- lab4ut = "horizontal", tip.color = "black", ...)
+plot.phylo <-
+ function(x, type = "phylogram", use.edge.length = TRUE,
+ node.pos = NULL, show.tip.label = TRUE,
+ show.node.label = FALSE, edge.color = "black",
+ edge.width = 1, edge.lty = 1, font = 3, cex = par("cex"),
+ adj = NULL, srt = 0, no.margin = FALSE, root.edge = FALSE,
+ label.offset = 0, underscore = FALSE, x.lim = NULL,
+ y.lim = NULL, direction = "rightwards", lab4ut = "horizontal",
+ tip.color = "black", plot = TRUE, ...)
{
Ntip <- length(x$tip.label)
if (Ntip == 1) {
}
asp <- if (type %in% c("fan", "radial", "unrooted")) 1 else NA # fixes by Klaus Schliep (2008-03-28 and 2010-08-12)
plot(0, type = "n", xlim = x.lim, ylim = y.lim, ann = FALSE, axes = FALSE, asp = asp, ...)
+
+if (plot) {
if (is.null(adj))
adj <- if (phyloORclado && direction == "leftwards") 1 else 0
if (phyloORclado && show.tip.label) {
}
if (direction == "leftwards") {
lox <- -label.offset - MAXSTRING * 1.05 * (1 - adj)
- #xx <- xx + MAXSTRING
+ ##xx <- xx + MAXSTRING
}
if (!horizontal) {
psr <- par("usr")
if (show.node.label)
text(xx[ROOT:length(xx)] + label.offset, yy[ROOT:length(yy)],
x$node.label, adj = adj, font = font, srt = srt, cex = cex)
+}
L <- list(type = type, use.edge.length = use.edge.length,
node.pos = node.pos, show.tip.label = show.tip.label,
show.node.label = show.node.label, font = font,
}
for (i in 1:length(x)) plot(x[[i]], ...)
}
+
+trex <- function(phy, title = TRUE, subbg = "lightyellow3",
+ return.tree = FALSE, ...)
+{
+ lastPP <- get("last_plot.phylo", envir = .PlotPhyloEnv)
+ devmain <- dev.cur() # where the main tree is plotted
+
+ restore <- function() {
+ dev.set(devmain)
+ assign("last_plot.phylo", lastPP, envir = .PlotPhyloEnv)
+ }
+
+ on.exit(restore())
+ NEW <- TRUE
+ cat("Click close to a node. Right-click to exit.\n")
+ repeat {
+ x <- identify.phylo(phy, quiet = TRUE)
+ if (is.null(x)) return(invisible(NULL)) else {
+ x <- x$nodes
+ if (is.null(x)) cat("Try again!\n") else {
+ if (NEW) {
+ dev.new()
+ par(bg = subbg)
+ devsub <- dev.cur()
+ NEW <- FALSE
+ } else dev.set(devsub)
+
+ tr <- extract.clade(phy, x)
+ plot(tr, ...)
+ if (is.character(title)) title(title)
+ else if (title) {
+ tl <-
+ if (is.null(phy$node.label))
+ paste("From node #", x, sep = "")
+ else paste("From", phy$node.label[x - Ntip(phy)])
+ title(tl)
+ }
+ if (return.tree) return(tr)
+ restore()
+ }
+ }
+ }
+}
+
+kronoviz <- function(x, layout = length(x), horiz = TRUE, ...)
+{
+ par(mar = rep(0.5, 4), oma = rep(2, 4))
+ rts <- sapply(x, function(x) branching.times(x)[1])
+ maxrts <- max(rts)
+ lim <- cbind(rts - maxrts, rts)
+ Ntree <- length(x)
+ Ntips <- sapply(x, Ntip)
+ if (horiz) {
+ nrow <- layout
+ w <- 1
+ h <- Ntips
+ } else {
+ nrow <- 1
+ w <- Ntips
+ h <- 1
+ }
+ layout(matrix(1:layout, nrow), widths = w, heights = h)
+ if (layout > Ntree && !par("ask")) {
+ par(ask = TRUE)
+ on.exit(par(ask = FALSE))
+ }
+ if (horiz) {
+ for (i in 1:Ntree)
+ plot(x[[i]], x.lim = lim[i, ], ...)
+ } else {
+ for (i in 1:Ntree)
+ plot(x[[i]], y.lim = lim[i, ], direction = "u", ...)
+ }
+ axisPhylo(if (horiz) 1 else 4) # better if the deepest tree is last ;)
+}