Nothing
plot.rpst <- function(x, xlength = 1, ylength = 3, xshift = 0.5 , ysegment = 6, ...)
{
node = x$node
nodeinfo = x$nodeinfo
tempnode = x$existingnode
if (!is.matrix(tempnode)) tempnode <- as.matrix(t(tempnode)) #tree with root node only
maxnodenumber <- tempnode[nrow(tempnode), 1]
maxlayer <- tempnode[nrow(tempnode), 3]
nodeplot <- matrix(rep(0, nrow(tempnode)*9), nrow=nrow(tempnode))
colnames(nodeplot) <- c("Node number", "Node layer", "Upper node number in plot", "Left daughter node number in plot", "Right daughter node number in plot", "X axis", "Y axis", "Shape", "X axis relocated")
for (i in 1:nrow(tempnode)) {
nodeplot[i, c(1, 2)] <- tempnode[i, c(1, 3)]
for (k in 1:nrow(tempnode)) {
if (tempnode[k, 1] == node[tempnode[i, 1], 4]) { nodeplot[i, 3] <- k}
if (tempnode[k, 1] == node[tempnode[i, 1], 6]) { nodeplot[i, 4] <- k}
if (tempnode[k, 1] == node[tempnode[i, 1], 7]) { nodeplot[i, 5] <- k}
}
temp <- tempnode[i, 1] - 2^(tempnode[i, 3] - 1)
nodeplot[i, 6] <- 2^(maxlayer - tempnode[i, 3]) + temp*2^(maxlayer - tempnode[i, 3] + 1) + 3*xlength
nodeplot[i, 7] <- (maxlayer - tempnode[i, 3])*ysegment
if (nodeplot[i, 4]==0 && nodeplot[i, 5]==0) {nodeplot[i, 8] <- 1} # 0: ellipse; 1: rectangle
}
for (i in 1:nrow(nodeplot)) {
nodeplot[order(nodeplot[,6])[i], 9] <- i + 3*xlength
}
plot(c(0, nrow(nodeplot) + 6*xlength), c(0, maxlayer*ysegment), type = "n", xlab="", ylab="", axes = FALSE)
for (i in 1:nrow(nodeplot)) {
if (nodeplot[i, 2] > 1) {
segments(nodeplot[nodeplot[i, 3], 9], nodeplot[nodeplot[i, 3], 7], nodeplot[i, 9], nodeplot[i, 7])
if (nodeplot[i, 1]%%2 == 0) {
text( ((nodeplot[nodeplot[i, 3], 9] + nodeplot[i, 9])/2 - xshift), (nodeplot[i, 7] + ysegment/6*5), nodeinfo[nodeplot[i, 1], 3], cex=0.5)
text( ((nodeplot[nodeplot[i, 3], 9] + nodeplot[i, 9])/2 - xshift), (nodeplot[i, 7] + ysegment/6*4), nodeinfo[nodeplot[i, 1], 4], cex=0.5)
}
}
if (nodeplot[i, 8]==1) {
rect(nodeplot[i, 9] - xlength, nodeplot[i, 7], nodeplot[i, 9] + xlength, nodeplot[i, 7] + ylength, col="white")
} else {
draw.ellipse(nodeplot[i, 9], nodeplot[i, 7] + ylength/2, xlength, ylength/2, col="white")
}
text(nodeplot[i, 9], (nodeplot[i, 7] + ysegment/6*2), nodeinfo[nodeplot[i, 1], 1], cex=0.5)
text(nodeplot[i, 9], (nodeplot[i, 7] + ysegment/6*1), nodeinfo[nodeplot[i, 1], 2], cex=0.5)
}
}
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