[R] Problems with png()

Laura Quinn laura at env.leeds.ac.uk
Mon Sep 6 14:58:00 CEST 2004


A windows machine?? If you could suggest where I might get my hands on
one...

AFAIK I'm running the code interactively.

Laura Quinn
Institute of Atmospheric Science
School of the 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 Mon, 6 Sep 2004, Adaikalavan Ramasamy wrote:

> Try running the codes on a windows machine just to rule out any
> code-related errors.
>
> Also are you running the codes interactively or in the background ?
>
> Regards, Adai
>
>
> On Mon, 2004-09-06 at 11:05, Laura Quinn wrote:
> > On Mon, 6 Sep 2004, Barry Rowlingson wrote:
> >
> > > Laura Quinn wrote:
> > > > I am trying to save a series of plots as .png files by using
> > > >
> > > > png(file="myfile.png",bg="transparent")
> > > > dev.off()
> > > >
> > > > for each image plot I produce. Unfortunately when I have tried this I am
> > > > unable to open the files, and am told they are corrupted.
> > > >
> > > > I have tried to use the jpeg() function but have the same problem. The only way I have managed to
> > > > export a graphic successfully is as dev.copy2eps. Aside from producing
> > > > unwieldy files, this is also unhelpful as I at m hoping to create a movie of
> > > > the images via ImageMagick.
> > > >
> > >
> > >   This sounds a bit obvious, but are you doing your plot commands
> > > _between_ the png() call and the dev.off() call?
> > >
> > >   Try:
> > >
> > >   png(file="foo.png")
> > >   plot(1:10)
> > >   dev.off()
> > >
> > >   What version/platform are you using?
> >
> > Yes, I have been using the above call to no avail. I'd be suprised if my
> > libpng wasn't up-to-date on SuSe 9.0, but I'm not sure how to check which
> > version I have?
> >
> > Laura
> >
> >
> > >
> > > Barry
> > >
> > >
> >
> > ______________________________________________
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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
> >
>
>




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