Re: [R] embed image (png) in postscript (device)

From: Paul Murrell <p.murrell_at_auckland.ac.nz>
Date: Mon 04 Sep 2006 - 00:35:49 GMT

Hi

Hans-Peter wrote:
> Hi,
>
> I output multiple "grid-package-based" plots to the postscript device.
> Because the graphics are complicated and consists of a lot of datapoints
> (~200'000) the files become really big. To avoid this big files and to
> shorten the creation, I currently print the plots to the png device and
> manually combine them into one multipaged pdf document.

If you want to automate combining png files into a single pdf, you could take a look at ImageMagick.

Paul

> My question is, it is possible to do this in R directly?
> Probably I would have to create a png plot first, then reimport it into R
> and "put" it on the ps device. Is this a realistic way (in principle) ?
>
> If there is no package to read png files (I didn't find anything), I
> probably could solve this. But I still don't know if it would be possible to
> "put" this memory representation to a ps device.
>
> Thanks for your time.
>

-- 
Dr Paul Murrell
Department of Statistics
The University of Auckland
Private Bag 92019
Auckland
New Zealand
64 9 3737599 x85392
paul@stat.auckland.ac.nz
http://www.stat.auckland.ac.nz/~paul/

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Received on Mon Sep 04 10:39:21 2006

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