[R] how to obtain "par(ask=TRUE)" with trellis-plots

[Peter Dalgaard]

Deepayan Sarkar <deepayan.sarkar at gmail.com> writes:

> On 1/11/06, Leo GÃ¼rtler <leog at anicca-vijja.de> wrote:
> > Dear alltogether,
> >
> > how can a delay like possible with par(ask=TRUE) be attained while using
> > trellis-plots within a loop or something like that?
> > the following draws each plot without waiting for a signal
> > (mouse-klick), so par() does not work for that:
> >
> > library(nlme)
> > for(i in 1:3)
> > {
> >   fitlme <- lme(Orthodont)
> >   par(ask=TRUE)                     # does not work with trellis....
> >   print( plot(augPred(fitlme)) )
> > }
> 
> See ?grid.prompt in the grid package. To use it you can either attach
> grid, or do
> 
> grid::grid.prompt(TRUE)

I happened to need this today (some example() sections are a bit
unhelpful without it) and the only way I figured it out was by recalling
this recent thread. Any chance of putting a suitable pointer in the
help pages for trellis.par.set and/or trellis.device? 

-- 
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