[R] R: plotting values on graphics

[ben@zoo.ufl.edu]

  Use text().

On Fri, 6 Oct 2000, joseph d. hughes wrote:

> Everyone,
> 
> I have an array of integer values which are located on a uniform 2-D grid.  I want to plot the integer values at the node locations. The closest I have come is with the following code:
> 
> for (i in 1:ny) {
>   for (j in 1:nx) {
>   ncell <- nx*(i - 1) + j
>   ch <- as.character(ncount[ncell])
>   tx <- j*dx - dx/2
>   ty <- ny*dy - (i-1)*dy - dy/2
>   points(tx, ty, pch = ch, col = "red", bg = "yellow", cex = 3)
>   }
> }
> 
> The problem with the code above is I only get a one character symbol at each node (e.g. n=123 gives me 1 on the screen).  Is there something wrong with my as.character or points function calls?  Is there a better way to do this?
> 
> Thanks in advance,
> 
> Joseph Hughes
> jdhughes99 at mindspring.com
> 
> 
> 

-- 
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Zoology Department, University of Florida    http://www.zoo.ufl.edu/bolker
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