[R] Runnning R remotely

[Laura Quinn]

I wasn't aware that it was possible to use postscript in the same fashion
as png, eg:

png(file,width=x,height=y,)
image(map)
text(text)
title(title)
box()
dev.off()

As there are a large number of iterations png has been working nicely
(when not working remotely!), especially as it has proven easy to convery
into gifs and then into movie gifs. Could anyone suggest an alternative
approach in this case?

TIA,
Laura

Laura Quinn
Institute of Atmospheric Science
School of Earth and Environment
University of Leeds
Leeds
LS2 9JT

tel: +44 113 343 1596
fax: +44 113 343 6716
mail: laura at env.leeds.ac.uk

On Wed, 2 Feb 2005, Jean Eid wrote:

> Why do you use png? I think that yu need X11 to save a png file. why not
> use a postscript?
>
>
> This is what ?png says
>
>
> "R can be compiled without support for either or both of these devices:
> this will be reported if you attempt to use them on a system where they
> are not supported. They will not be available if R has been started with
> --gui=none (and will give a different error message), and they may not be
> usable unless the X11 display is available to the owner of the R process."
>
>
> In addition I think the only thing slowing the machine is png.
>
>
> Jean
>
> On Wed, 2 Feb 2005, Laura Quinn wrote:
>
> > Hi,
> >
> > I was wondering if anyone might be able to help. I am trying to run R on a
> > remote machine, part of the model run I am attempting writes an external
> > file output as a png (about 48 iterations per model run). I am running R
> > 1.9.1 on SuSe9.0, and am accessing this via ssh from a Debian machine.
> >
> > Initially I used the command ssh -X IP.address and whilst I was able to
> > run the model successfully the model run was extremely slow (which I could
> > not understand as the output was being written to the remote machine), but
> > tried to log in again, this time without the X windows facility and found
> > that I couldn't run the model:
> >
> > 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`'
> >
> > Could somebody please advise a way around this?
> >
> > Thanks in advance,
> > Laura
> >
> > Laura Quinn
> > Institute of Atmospheric Science
> > School of Earth and Environment
> > University of Leeds
> > Leeds
> > LS2 9JT
> >
> > tel: +44 113 343 1596
> > fax: +44 113 343 6716
> > mail: laura at env.leeds.ac.uk
> >
> > ______________________________________________
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> > https://stat.ethz.ch/mailman/listinfo/r-help
> > PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
> >
>
>