[R] how to retrieve user coordinates in xyplot

[Deepayan Sarkar]

On Fri, Oct 8, 2010 at 3:52 PM, array chip <arrayprofile at yahoo.com> wrote:
> Hi, is there a way to retrieve the extremes of the user coordinates of the
> plotting region, like what par("usr") does in general graphics? I'd like to use
> them to print additional texts at certain place inside each panel. Thanks

?current.panel.limits

-Deepayan