[R] export many plots to one file

Greg Snow Greg.Snow at intermountainmail.org
Thu Jan 4 19:09:22 CET 2007

The approach I would take (possibly due to ignorance of a better option)
is to export to the multiple .png files, then use a tool like
imagemagick to combine them into a single pdf file.

For a quick test I exported 3 graphs from R and called them test1.png,
test2.png, and test3.png.  The imagemagick command is then just:

convert test*.png test.pdf

Hope this helps,

Gregory (Greg) L. Snow Ph.D.
Statistical Data Center
Intermountain Healthcare
greg.snow at intermountainmail.org
(801) 408-8111

> -----Original Message-----
> From: r-help-bounces at stat.math.ethz.ch 
> [mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of bogdan romocea
> Sent: Thursday, January 04, 2007 9:35 AM
> To: r-help
> Subject: [R] export many plots to one file
> Dear useRs,
> I have a few hundred plots that I'd like to export to one document.
> pdf() isn't an option, because the file created is 
> prohibitively huge (due to scatter plots with many points). 
> So I have to use png() instead, but then I end up with a lot 
> of files (would prefer just one).
> 1. Is there a way to have pdf() embed images, instead of 
> vector instructions? (What would have to be changed/added, 
> and where? I'd consider that a very useful feature.)
> 2. Does anyone have a script for importing many images (png, bitmap,
> jpg) into one PDF file? I'd prefer something that works both 
> on Windows and GNU.
> Thank you,
> b.
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