[R] Testing for blank space in a plot

[Jim Lemon]

John Fort wrote:
>   I have written code which puts text to the upper right of points on 
> a plot.  Some of my point are very close together and the new text is 
> writing over the previous text.
>
>   Has anyone written a clever "smart-text" function that writes the 
> text in a blank spot near the point (perhaps on the lower left or 
> lower right side) when it discovers that the new space is not blank.
>
>  I could write such a function if there was an is.blank(x,y) command. 
>  Does something like that exist?
Hi John,
Have a look at thigmophobe.labels in the plotrix package. That package 
also contains the emptyspace function that tries to find the largest 
empty space in a plot. There is an even snazzier empty space function, 
but I keep forgetting which package it is in...


Jim