Thanks Duncan and Ted,

That will be tremendously helpful to me. In combination with the
width/height and xpos/ypos arguments, I think I'll be able to create this
matrix of devices I am looking for.

Thanks again

Sebastien

On Sun, Jul 25, 2010 at 12:07 PM, Duncan Murdoch
<murdoch.duncan@gmail.com>wrote:

> On 25/07/2010 10:03 AM, (Ted Harding) wrote:
>
>> On 25-Jul-10 13:22:11, Sébastien Bihorel wrote:
>>
>>> Dear R-users,
>>>
>>> Does anybody know a good way to create and use several graphical
>>> devices at the same time in interactive mode? Ideally, I'd like
>>> to open 2 to 3 devices and assign names to them. This way, I could
>>> make any addition/modification/update to a particular device using
>>> its name.
>>>
>>> I did not see anything like a name argument in ?X11. Is there an
>>> alternative?
>>>
>>> Thanks in advance for your feeback.
>>> Sebastien
>>>
>>
>> You can certainly do this "by hand". The basic R terminal is device
>> number 1. If you do X11() (or invoke it implicitly by using a 'plot'
>> command) this will be device number 2. With just this one open, any
>> 'plot' (or plot-related) commands will re-use it.
>>
>> However, having opened device #2, you can do X11() again and get a
>> second graphics device which will be number 3. And so on, for as many
>> additional devices as you like.
>>
>> By default, the device that the results of any 'plot' command are
>> sent to will be the most recently opened one. However, you can select
>> the device using the command dev.set(n) where n ( = 2,3,... ) is the
>> device you want to use. The device which is "active" will be shown
>> by the word "(ACTIVE)" attached to its display. All other devices
>> will show "(inactive)".
>>
>> You could "name" your devices by indexing a vector (2:n) by names.
>>
>> Try the following, Starting with no graphics devices open:
>>
>> X11()  # dev 2
>> X11()  # dev 3
>> X11()  # dev 4  ## This one is currently active
>>
>
> That's the right idea, but I wouldn't count on the numbers coming out 2, 3,
> 4:  what if another device was already opened?  Better to use dev.cur() just
> after you open a new device to find out what its number was.  So do
> something like
>
> X11()
> plotA <- dev.cur()
>
> X11()
> plotB <- dev.cur()
>
> X11()
> plotC <- dev.cur()
>
>
> dev.set(plotA)  # first one is active
>
> etc.
>
> Duncan Murdoch
>
>        ## Arange these so that you can see all their top bars
>> devN <- c(plotA=2,plotB=3,plotC=4)
>>
>> dev.set(devN["plotA"])  # dev 2 is active
>>
>> dev.set(devN["plotC"])  # dev 4 is active
>>
>> dev.set(devN["plotB"])  # dev 3 is active
>>
>> dev.set(devN["plotA"])  # dev 2 is active
>>
>> dev.set(devN["plotC"])  # dev 4 is active
>>
>> Hoping this helps,
>> Ted.
>>
>> --------------------------------------------------------------------
>> E-Mail: (Ted Harding) <Ted.Harding@manchester.ac.uk>
>> Fax-to-email: +44 (0)870 094 0861
>> Date: 25-Jul-10                                       Time: 15:03:14
>> ------------------------------ XFMail ------------------------------
>>
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>
>

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