From P.Dalgaard at biostat.ku.dk  Mon Jul 23 12:36:22 2007
From: P.Dalgaard at biostat.ku.dk (Peter Dalgaard)
Date: Mon, 23 Jul 2007 12:36:22 +0200
Subject: [Rd] postscript bug? (PR#9803)
In-Reply-To: <20070723101039.8371165982@slim.kubism.ku.dk>
References: <20070723101039.8371165982@slim.kubism.ku.dk>
Message-ID: <46A484A6.40606@biostat.ku.dk>

s.blomberg1 at uq.edu.au wrote:
> postscript() produces files that are not encoded as eps, according to
> the standard. Hence, word processors such as OpenOffice and AbiWord do
> not recognise the files as eps. See
> http://www.postscript.org/FAQs/language/node80.html
>
> The problem is in the first line of the postscript file: The header is
> wrong. It should be:
>
> %!PS-Adobe-3.0 EPSF-3.0
>
> whereas postscript() produces:
>
> %!PS-Adobe-3.0
>
> The following code replicates the problem:
>
> x <- rnorm(10)
> y <- rnorm(10)
> postscript("test.eps")
> plot(x,y)
> dev.off()
>
> # Now try importing test.eps into your favorite word processor.
>
> # Now edit test.eps and change the header to the correct header above, 
> and try importing the file again. Works! (This took me a couple of hours
> of hair-pulling to figure out. I sure hope it is a genuine bug. :-) )
>   
It isn't a bug. It is as it should be, because a plot file with multiple
pages cannot be EPS.

Try reading the help page for postscript again, this time ( ;-) ) paying
attention to the 'onefile' argument.

-- 
   O__  ---- Peter Dalgaard             ?ster Farimagsgade 5, Entr.B
  c/ /'_ --- Dept. of Biostatistics     PO Box 2099, 1014 Cph. K
 (*) \(*) -- University of Copenhagen   Denmark          Ph:  (+45) 35327918
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[Rd] postscript bug? (PR#9803)
Peter Dalgaard