[R] png()/jpeg()

[ripley@stats.ox.ac.uk]

It really would help to know the platform here: Windows and Unix have
separate implementations.  On Windows with R 1.6.2 there is no overlap 
that I can see.

Also the version of R, please.

On Fri, 31 Jan 2003, Wilkinson, Mark wrote:

> When I execute the following code, it works just like I want it to: three
> pages of nine (or fewer) plots.  However, when I execute the code with the
> first and last lines uncommented, I get three pages (files), but the 2nd &
> 3rd pages have overlapping plots.  It's like a new page wasn't created.  
> 
> I'm pretty sure I've either misplaced or left out a crucial call to some
> function, but I'm not sure where. Please help.
> 
> 
> #png(width=937, height=703, pointsize=15)
> for (i in seq(1, 24, 9)) {
>   par(mfrow=c(3, 3))
>   
>   for (gt in i:min((i+8), 24)) {
>     
>     plot(density(rnorm(1000)))
>     
>     for (j in 1:20) { 
>       lines(density(rnorm(1000)), lty=4, col="gray")
>     }
>   }
> }
> #dev.off()

-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
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