[R] 'Extracting' plot area

[Marc Schwartz]

on 05/21/2008 08:02 AM Tine wrote:
> Hi!
> 
> Does anyone know hot to save (to png, pdf, ...) only plot area. That is 
> without box around, titles, axis, ...
> I tried: par(mar=c(0,0,0,0)) and it works for internal viewer (linux and 
> windows).
> But when I save the image in png it adds that annoying margin around 
> plot area.
> Any ideas?
> 
> by, Tine

Is this what you want?

   pdf("plot.pdf", height = 4, width = 4)
   par(mar = c(0, 0, 0, 0))
   plot(1:10, ann = FALSE, axes = FALSE)
   dev.off()

See ?plot.default for more information on the 'ann' and 'axes' arguments.

HTH,

Marc Schwartz