[R] Changing origin of line in radial plot

[Jim Lemon]

On 10/28/2010 10:38 PM, Gonzalo Garcia-Perate wrote:
> Jim, thanks for your reply, it works! but the results are not what I
> expected. What the code does now is completely reverse the central
> chart area, so what was coloured before now is white, see here
> http://www.flickr.com/photos/gonzillaaa/
>
Okay, I've got a better idea of what you want, I think. As though the 
normal lines were pushed out radially until they hit the outer grid line.

> What I was hoping for, was having the same length lines (very short
> ones and very long ones) but stemming from the edge of the plot. Any
> suggestions?
>
Try this with the attached function:

library(plotrix)
testlen<-rnorm(10)*2+5
testpos<-seq(0,18*pi/10,length=10)
testlab<-letters[1:10]
radial.plot(testlen,testpos,main="Test Radial Lines",
  line.col="red",lwd=3)
source("radial.plot.R")
radial.plot(testlen,testpos,main="Test Radial Lines",
  line.col="red",lwd=3,outward=FALSE)

Jim
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