[R-sig-Debian] "Graphics history" in UNIX
roberto.scotti at gmail.com
Thu Jun 10 13:17:44 CEST 2010
Il 09/06/2010 17:56, Michael Rutter ha scritto:
> On 06/09/2010 08:12 AM, Scotti Roberto wrote:
>> Hello. First post, please excuse lack of experience.
>> I recently switched from MS-Win to Kubuntu and find it rather difficult
>> to recover Cran-R ease of use.
>> The "Graphics history" facility available under Windows was, for me,
>> extremely useful.
>> From Murrell's 2005 book (see citation below) I understand that no
>> facility is available under non-Windows systems.
>> In R-help archive, a 2000 comment from Ripley seems to confirm. (see
>> - do I correctly understand that "No<Graphics history> facility is
>> available for Linux systems"?
>> - (if Yes above) Please, let me understand why??
>> Many thanks for sharing.
>> Sincerely, Roberto Scotti
>> from: http://www.stat.auckland.ac.nz/~paul/RGraphics/chapter1.pdf
>> "1.3.2 Multiple pages of output"
>> "For a screen device, starting a new page involves clearing the window
>> producing more output. On Windows there is a facility for returning to
>> screens of output (see the \History" menu, which is available when a
>> graphics window has focus), but on most screen devices, the output of
>> pages is lost."
>> *Subject: *Re: [R] Activating Graphics History
>> *From: *Prof Brian D Ripley (/ripley at stats.ox.ac.uk/)
>> *Date: *Sat 29 Jan 2000 - 08:06:24 EST
>> * *In reply to:* Jim Ianelli: "[R] Activating Graphics History
>> Message-ID:<Pine.GSO.4.05.10001282201420.18401-100000 at auk.stats>
>> On Fri, 28 Jan 2000, Jim Ianelli wrote:
>> /> I'm having trouble finding documentation on how /
>> /> to activate the "record graphics history" option via /
>> /> a command line (as opposed to having to use the menu). /
>> /> But I can't find anything about setting the recording of plots /
>> /> without using the menu. /
>> Crucially, you did not say you were doing this on Windows, and it is
>> available on the windows() device on Windows. I am not aware of any
>> way to
>> do this.
> I am not aware of anything that replicates the "record graphics
> history" in Ubuntu. However, there are some tools/tricks that can be
> 1. If you run an .R file in batch mode (R CMD BATCH foo.R), any plots
> the code creates will be collected in the "Rplots.pdf" file. You can
> then use any pdf viewer to view the plots.
> 2. If you want to save a specific plot, try 'foo <- recordPlot()'.
> That will save the plot to 'foo'. To view the plot again,
> 3. If you are using R interactively, if you enter the command
> 'pdf("Rplots.pdf")', any plot you create will be written to that file.
> The downside is that the plot will not be shown on the screen.
> However, if you open that pdf file, you can view the contents of the
> file as it is being updated. So, as I work in a window and create a
> new plot, it is appended to the pdf file and shows up a second later
> in the pdf viewer. You can then page through the plots. Kind of a
> hack, put it works.
> I don't think there is a way to easily plot to multiple devices, say a
> pdf and a X11, at the same time. There is a function plotf in the
> agesmisc package that appears to do this, but I haven't played with it.
> Hope this helps,
Dear Michael, many thanks.
Question 2 is now definitely open. Activation of the option to
automatically "record graphics history" is very handy during
interactive sessions in order to compare and/or recall previous results.
Why is it available only under Windows? Are there any technical
limitations or is it just a question that hasn't yet been considered?
Your reply is very useful for me because I didn't know of the functions
"recordPlot/replayPlot". I estimate that these can be the building
blocks for setting up a procedure that substitutes (to some extent) the
For the last option you cite (by the way the spelling of the package
name has a mistake) I found documentation here:
Nice to know, but it doesn't seem to fit my purposes now.
Thanks again. Sincerely, Roberto
prof. R. Scotti
Forestry school of Nuoro
Università di Sassari - Italy
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