[R] plot.new() and grid functions in multipage pdfs

[Greg Snow]

The plot.new function is for base graphics and base and grid graphics
don't usually play well together.  You probably want to use
grid.newpage function instead.

On Tue, Oct 9, 2012 at 1:26 PM, Ali Tofigh <alix.tofigh at gmail.com> wrote:
> Hi,
>
> when using the grid package, I've come across this weird behaviour
> where a call to plot.new() will start a new page for a multi-page pdf,
> but then the margins will somehow behave strangely for all but the
> first page: here is some code:
>
> pdf("test.pdf"); plot.new(); grid.rect(gp = gpar(fill="blue"));
> plot.new();  grid.rect(gp = gpar(fill="blue")); dev.off()
>
> The first page is filled completely with a blue rectangle, but in the
> second page, the margins clip the rectangle. This is causing me
> considerable headache, as I rely on many grid functions for plotting.
> This seems like a bug to me, or is there something about the behaviour
> of plot.new() and/or grid functions that I don't understand?
>
> /Ali
>
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-- 
Gregory (Greg) L. Snow Ph.D.
538280 at gmail.com