[Rd] Unpredictable EPS->PDF rotation (PR#4460)

[Peter Dalgaard BSA]

arnima at u.washington.edu writes:

> Dear r-bugs,
> 
> When I create EPS files, they sometimes appear rotated in my LaTeX PDF
> document and sometimes they don't. Two examples:
> 
> ## x1.eps is not rotated in LaTeX
> x <- seq(-1, 1, length=100)
> postscript("c:/x1.eps", height=3, width=4,
>            horizontal=FALSE, onefile=FALSE, paper="special")
> plot(x, dnorm(x), type="l")
> dev.off()
> 
> ## x2.eps is not rotated in LaTeX
> x <- seq(-2, 2, length=100)
> postscript("c:/x2.eps", height=3, width=4,
>            horizontal=FALSE, onefile=FALSE, paper="special")
> plot(x, dnorm(x), type="l")
> dev.off()
> 
> By LaTeX PDF, I am referring to the dvips->ghostscript pathway, but x2.eps
> also rotates when distilled into PDF outside LaTeX. I have tried
> ghostscript and acrobat, placed on a page or cropped, so the problem does
> not seem to be confounded with particular PDF distillation software.
> 
> I'm aware of the pdf() device in R, but EPS files are a widely used format
> to share scientific graphics, often winding up embedded in a PDF document
> at a later point in the hands of an editor.
> 
> If at all possible, a more predictable postscript generator would be
> appreciated, where EPS figures would not rotate when embedded in PDF
> documents.

I can reproduce the effect on RedHat 8, but I'm at a loss as to
explain it. The headers and bounding boxes of the two .eps files are
identical and to the best of my eyesight they are also using the same
coordinate system.

-- 
   O__  ---- Peter Dalgaard             Blegdamsvej 3  
  c/ /'_ --- Dept. of Biostatistics     2200 Cph. N   
 (*) \(*) -- University of Copenhagen   Denmark      Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk)             FAX: (+45) 35327907