[R] width and length arguments to postscript()

[Paul Murrell]

Hi

Does par(pty="s") do the trick?

(setting the width and height of the device typically won't make the
plot square because the margins around the plot are typically not equal)

Paul



Robin Hankin wrote:
> 
> Hi everyone
> 
> This must be a FAQ but I can't find it anywhere...
> 
> I want a postscript image of a contour() plot, with axes of equal
> length. Try
> 
> R> postscript(file="~/f.ps")
> R> contour(matrix(rnorm(100),10,10))
> R> dev.off()
> 
> This isn't what I want: the plotting region is, as documented, quarter
> of an inch shy of the paper edge and the axes appear to be different
> lengths.  contour() doesn't take a "asp" argument.
> 
> postscript() does have a width and a length argument but I can't make
> them work as I want:
> 
> R> postscript(file="~/f.ps",width=5,height=5)
> R> contour(matrix(rnorm(100),10,10))
> R> dev.off()
> 
> gives axes of about 96mm by 80mm (on A4 paper).
> 
> What do I have to do to get square contour plots on a postscript file?
> 
> --
> 
> Robin K. S. Hankin, Lecturer,
> School of Geography and Environmental Science
> Tamaki Campus
> Private Bag 92019 Auckland
> New Zealand
> 
> r.hankin at auckland.ac.nz
> tel 0064-9-373-7599 x6820; FAX 0064-9-373-7042
> 
> as of: Fri Dec 13 11:07:00 NZDT 2002
> This (linux) system up continuously for:  470 days, 16 hours, 49 minutes
> 
> ______________________________________________
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-- 
Dr Paul Murrell
Department of Statistics
The University of Auckland
Private Bag 92019
Auckland
New Zealand
64 9 3737599 x85392
paul at stat.auckland.ac.nz