[R] Problems with png()

[Laura Quinn]

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
>
>