Re: [R] connection to X11 problem

From: Ted Harding <Ted.Harding_at_nessie.mcc.ac.uk>
Date: Sat 22 Jul 2006 - 08:34:09 EST


On 21-Jul-06 Paquet, Agnes wrote:
> Dear List,
>
> I am a new Mac user and I am having problem generating png (or jpeg)
> using the GUI version of R. I installed R-2.3.1.dmg (custom install
> with
> everything selected) and X11User.pkg but I am still getting the
> following X11 connection error when I try to generate a png (or a
> jpeg):
>
> Error in X11(paste("png::", filename, sep = ""), width, height,
> pointsize, :
> unable to start device PNG
> In addition: Warning message:
> unable to open connection to X11 display ''
>
> I tried to set up the DISPLAY variable using the command:
>
> Sys.putenv("DISPLAY"=":0")
>
> but I am still running into the same problem.

Like Marc, I don't use a Mac either. But the underlying BSD OS is basically similar to Linux. On Linux, my primary X11 DISPLAY envvar would be ":0.0", so (at a guess) I suggest you try

  Sys.putenv("DISPLAY"=":0.0")

Hoping this helps!
Ted.



E-Mail: (Ted Harding) <Ted.Harding@nessie.mcc.ac.uk> Fax-to-email: +44 (0)870 094 0861
Date: 21-Jul-06                                       Time: 23:34:05
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