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.

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.

-- 
Regards,
Hans-Peter

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