BTW,
If someone is willing to help with two questions - we can extend the small
code I just wrote to other OS's. It might be useful for future people who
will present R graphical outputs to an audience.

The questions are:
1) What is the equivalent of the command "windows" to other OS ?
2) How can you get from R what OS is running it ?
I try
sessionInfo()$R.version$os
but it gives me:
"mingw32"
Which I am not sure how to connect between this and "windows XP"...



Tal



----------------Contact
Details:-------------------------------------------------------
Contact me: Tal.Galili@gmail.com |  972-52-7275845
Read me: www.talgalili.com (Hebrew) | www.biostatistics.co.il (Hebrew) |
www.r-statistics.com (English)
----------------------------------------------------------------------------------------------




On Wed, Mar 3, 2010 at 2:00 PM, Tal Galili <tal.galili@gmail.com> wrote:

> Thanks Brian,
> I wrote a tiny script employing your answer.
>
> resize.win <- function(Width=6, Height=6)
> {
>         # works for windows
> dev.off(); # dev.new(width=6, height=6)
>  windows(record=TRUE, width=Width, height=Height)
> }
> resize.win(5,5)
> plot(rnorm(100))
> resize.win(10,10)
> plot(rnorm(100))
>
>
>
> Best,
> Tal
>
>
> ----------------Contact
> Details:-------------------------------------------------------
> Contact me: Tal.Galili@gmail.com |  972-52-7275845
> Read me: www.talgalili.com (Hebrew) | www.biostatistics.co.il (Hebrew) |
> www.r-statistics.com (English)
>
> ----------------------------------------------------------------------------------------------
>
>
>
>
> On Wed, Mar 3, 2010 at 12:13 PM, Prof Brian Ripley <ripley@stats.ox.ac.uk>wrote:
>
>> On Wed, 3 Mar 2010, Tal Galili wrote:
>>
>>  Thanks for replying Brian.
>>> Indeed, I am working on windows (XP).
>>>
>>> I tried doing:
>>> dev.new(record = T)
>>> And got:
>>> Warning message:
>>> ‘mode(record)’ differs between new and previous
>>>          ==> NOT changing ‘record’
>>>
>>> But if I understood you, I could open a window with a plot, then open a
>>> new
>>> one (with different dimensions), and then close the old plot device,
>>> while
>>> still keeping all my record. Did I get this correctly ?
>>>
>>
>> Yes: it worked for me when I tried it.
>>
>>
>>  (if so, I would love a simple example of how that can be done using the
>>> record = T)
>>>
>>
>> It is windows() and not dev.new() that you need to call with record=TRUE.
>>
>>
>>  Thank you very much!
>>>
>>> Tal
>>>
>>>
>>>
>>> ----------------Contact
>>> Details:-------------------------------------------------------
>>> Contact me: Tal.Galili@gmail.com |  972-52-7275845
>>> Read me: www.talgalili.com (Hebrew) | www.biostatistics.co.il (Hebrew) |
>>> www.r-statistics.com (English)
>>>
>>> ---------------------------------------------------------------------------
>>> -------------------
>>>
>>>
>>>
>>>
>>> On Wed, Mar 3, 2010 at 11:48 AM, Prof Brian Ripley <
>>> ripley@stats.ox.ac.uk>
>>> wrote:
>>>      You haven't mentioned an OS nor a graphics device, So I will
>>>      guess Windows and windows(), since that is commonest device with
>>>      a history.
>>>
>>>      On Wed, 3 Mar 2010, Tal Galili wrote:
>>>
>>>            Hello dear R-help members,
>>>
>>>            Very soon I am to give a lecture on R. And in that
>>>            lecture I intend to move
>>>            between: par(mfrow = c(1,1)) to par(mfrow = c(1,2))
>>>            back and forth.
>>>            I anticipate this will damage the image proportions
>>>            and will force me to
>>>            resize the window.
>>>            So far I have found it is possible to close the
>>>            window and then reopen it
>>>            (bigger/smaller) by using:
>>>
>>>
>>>            dev.off()dev.new(width=5, height=4)plot(1:20)
>>>
>>>
>>>            The issue with this solution is that I loose all the
>>>            history I had with
>>>            these windows.
>>>
>>>            Thus, my question is either of two:
>>>            1) Can I resize a plot window AFTER it was created ?
>>>
>>>
>>> Not programmatically.  But you can have more than one device open and
>>> switch between them by dev.next/dev.set ....
>>>
>>>      2) can you save and load a plot history, for between
>>>      closing and opening a
>>>      graphic device ?
>>>
>>>
>>> Yes, from the menu.  There is also the more general
>>> recordPlot/replayPlot mechanism.
>>>
>>> But note that the windows() plot history is shared between devices, so
>>> if you work with multiple windows their histories will be interleaved.
>>> It is a history _of the session_ and so you can page back into the
>>> history of previously opened devices.
>>>
>>> So I would do this by opening a device with record = TRUE, and when I
>>> needed a different aspect ratio, open one with record = FALSE and
>>> close it when I was done with it.
>>>
>>>
>>>      Thanks for any help,
>>>      Tal
>>>
>>>      ----------------Contact
>>>      Details:-------------------------------------------------------
>>>      Contact me: Tal.Galili@gmail.com |  972-52-7275845
>>>      Read me: www.talgalili.com (Hebrew) |
>>>      www.biostatistics.co.il (Hebrew) |
>>>      www.r-statistics.com (English)
>>>
>>> ---------------------------------------------------------------------------
>>>      -------------------
>>>
>>>
>>> --
>>> Brian D. Ripley,                  ripley@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
>>>
>>>
>>>
>>>
>>>
>> --
>> Brian D. Ripley,                  ripley@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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