[R] multiple graphs in the same ps file ?

From: Florence Combes <fcombes_at_gmail.com>
Date: Fri 28 Oct 2005 - 22:48:02 EST

Dear all,

I would like to be able to store multiple graphs in one ps or pdf file, but I cannot achieve this only if I don't shut the "postscript" device between the graphs.

here is what I managed to do :
> postscript(file="test_graph.eps", onefile=TRUE)
> plot(1:10)
> plot(1:20)
> dev.off()

but when I try :

> postscript(file="test_graph.eps", onefile=TRUE)
> plot(1:10)
> dev.off
[execution of another part of the code and then:]
> plot(1:20)
> dev.print(postscript, onefile=TRUE)
> dev.off()

I only have one page in my file "test_graph.eps" which only contains the last graphics.

So I wonder : is it possible to reopen a ps or pdf file and to add data (I tried the "append=TRUE" option but without success) ?

Thanks a lot


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