Nothing
radial.plot.labels<-function(lengths,radial.pos=NULL,units="radians",
radial.lim = NULL,start=0,clockwise=FALSE,labels,adj=NULL,pos=NULL,
boxed.labels=FALSE,...) {
npoints<-length(lengths)
if(is.null(radial.pos))
radial.pos<-seq(0,pi*(2-2/npoints),length.out=npoints)
else {
# clock24 starts at "midnight" and always runs clockwise
if(units == "clock24") {
if(is.character(radial.pos)) {
splittime<-strsplit(radial.pos,":")
hm2dh<-function(x) return(as.numeric(x[1])+as.numeric(x[2])/60)
radial.pos<-sapply(splittime,hm2dh)
}
radial.pos<-pi*(450-radial.pos*15)/180
start<-pi*(450-start*15)/180
}
# polar starts at 3 o'clock and runs counterclockwise by default
if(units == "polar") {
radial.pos <- pi * radial.pos/180
start <- pi * start/180
}
}
if(clockwise && units != "clock24") radial.pos<--radial.pos
if (start && units != "clock24") radial.pos<-radial.pos+start
if (is.null(radial.lim)) radial.lim <- range(lengths)
lengths<-lengths-radial.lim[1]
# get the vector of x positions
xpos<-cos(radial.pos)*lengths
# get the vector of y positions
ypos<-sin(radial.pos)*lengths
if(boxed.labels)
boxed.labels(x=xpos,y=ypos,labels=labels,...)
else text(x=xpos,y=ypos,labels=labels,adj=adj,pos=pos,...)
}
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