[R] Use of Second Monitor Question
Prof Brian Ripley
ripley at stats.ox.ac.uk
Fri Aug 22 08:18:57 CEST 2003
On Thu, 21 Aug 2003, Duncan Murdoch wrote:
> On Thu, 21 Aug 2003 17:55:34 -0400, kjetil brinchmann halvorsen wrote:
> >On 21 Aug 2003 at 16:51, Uwe Ligges wrote:
> >Slightly off-topic, but: we are about to buy a data show to put up
> >permanent in an aula. All "data shows" I have seen use the monitor
> >port directly, so the monitor is blacked out. Is it possible to have
> >a set up where I can see both on the monitor and the audience the
> >projection? From the answer to this Q, it seems that would work well
> >with R.
> Most reasonably new laptops allow the display to show in both places.
> (There may be limitations on the resolution to accommodate this.)
> The original question was about showing different things on each
> monitor: the console visible to the speaker, and graphics visible to
> the audience. I don't know of any PC laptops that do this, but I
> think some Macs can. At least that was my interpretation of a minor
> flap before a presentation at UWO where the projector showed the
> desktop and the laptop screen showed the stuff the audience was
> supposed to see.
All dual-headed graphics cards can do this: modern Mac laptops have
Radeons, I believe, and PC laptops with the same hardware can do the same
things. My 2002 laptop with a Radeon M graphics card certainly can.
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)
1 South Parks Road, +44 1865 272866 (PA)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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