Hi,
It's probably easiest with the pdf (or postscript) device,
pdf("all.pdf")
for(ii in 1:27)
plot(rnorm(10), main=paste("plot", ii))
dev.off()
Bitmap-based devices can generate sequential filenames (Rplot1.png,
Rplot2.png, ...) that you could combine in a single document using external
tools (e.g. a pdf file with latex, or an html template that you can view in
a browser, etc.).
For example, create the following file "template.brew",
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"
"http://www.w3.org/TR/html4/strict.dtd";>
<html lang="en">
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8">
<title>title</title>
<link rel="stylesheet" type="text/css" href="style.css">
<script type="text/javascript" src="script.js"></script>
</head>
<body>
<%
for (ii in 1:27) {
filename <- paste("plot",ii, ".png", sep="")
png(filename)
plot(rnorm(10), main=paste("plot", ii))
dev.off()
%>
<p><img src="<% cat(filename) %>"> <p/>
<% } %>
</body>
</html>
and process it in R using,
library(brew)
brew("template.brew", "template.html")
HTH,
baptiste
2009/9/14 Polwart Calum (County Durham and Darlington NHS Foundation Trust)
<calum.polw...@nhs.net>
> > I have got 27 graphs to export (not a lot...I know!). How can I fit all
> of
> > them into a single file like PNG without adjusting the size of the
> graphs?
> > What's in my mind is like pasting graphs into Word, in which I can just
> > scroll down to view the graphs.
>
> Pretty sure PNG can only cope with single 'page' images - the page can be
> as big as it wants but then when it comes to things like printing its gonna
> cause problems as I doubt many graphics packages can split it over the page?
> So they'll either crop it or scale it. 27 on 1 page is gonna be very
> small?
>
> TIFF can handle multiple pages and of course so can PDF. I don't know of
> an export to TIFF function. So I'd suggest exporting to PDF - and exporting
> to 27 different file names (1 to 27.pdf) Then using a tool like pdfshuffler
> (linux GUI based) or using command line ghostscript (windows or linux)
>
> gs -q -dNOPAUSE -dBATCH -sDEVICE=pdfwrite -sOutputFile=merged.pdf 1.pdf
> 2.pdf 3.pdf ...etc... 27.pdf
> (This is a linux command not a R command. The widnwos version will be very
> simillar I suspect)
>
> That'd give you a 27 page pdf file with each graph on a new page? Much
> easier to scroll through than using a scroll bar on a graphics package - you
> can go back to Page 5 and on to page 9 to compare quickly rather than having
> to manually scroll to find the right info. Plus PDF is vector based which
> means future importing into decent desktop publishing packages should avoid
> and issues with loss / scaling.
>
> I believe its also possible with psmerge using postscript and so possible
> EPS files.
>
>
>
> ********************************************************************************************************************
>
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