Re: [R] Multiple plot jpeg file

From: Marc Schwartz <marc_schwartz_at_comcast.net>
Date: Tue, 19 Jun 2007 15:20:29 -0500

On Tue, 2007-06-19 at 21:09 +0100, Prof Brian Ripley wrote:
> On Tue, 19 Jun 2007, Marc Schwartz wrote:
>
> >
> >
> > On Tue, 2007-06-19 at 15:39 -0400, Bill Hunsicker wrote:
> >> R-Help,
> >>
> >> I am executing a R script and would like to put multiple plots into a
> >> single file. For some reason the contents of plotfile.jpg always seem to
> >> contain the last plot and not all plots.
> >>
> >> If I do same thing with pdf, a multiple plot file is created.
> >>
> >> Can you help me?
> >>
> >> Regards,
> >> Bill
> >
> > There is no notion of a 'page' in bitmapped devices as there is with PDF
> > or PS devices. Thus, each time you call plot(...) with a bitmapped
> > device, the previous output is lost.
>
> But there is a concept of multiple pages in separate files and that is the
> default, Rplot001.jpg, Rplot002.jpg and so on.
>
> The JPEG format only supports one 'page' per file

Quite true. I thinking of 'pages' in the context of a PDF or PS file, as Bill had noted above and contrasting that with a bitmapped image of a defined finite 2D pixel space.

Thanks for clarifying.

Regards,

Marc



R-help_at_stat.math.ethz.ch mailing list
https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. Received on Tue 19 Jun 2007 - 20:33:14 GMT

Archive maintained by Robert King, hosted by the discipline of statistics at the University of Newcastle, Australia.
Archive generated by hypermail 2.2.0, at Tue 19 Jun 2007 - 21:32:37 GMT.

Mailing list information is available at https://stat.ethz.ch/mailman/listinfo/r-help. Please read the posting guide before posting to the list.