[R] Graphic aspect ratio

2009-05-12 Thread MikSmith 

Hi

I've been playing with a 3x2 graphics device using the default size as it
appears on screen. This has given me tall thin plots which I can resize by
dragging the window and increasing the window width. However I was wondering
if I can force R to produce square plots or set the actual aspect ratio. asp
seems to affect data units, not on-screen pixel units.

thanks

mike
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Re: [R] Graphic aspect ratio

2009-05-12 Thread Paul Murrell 
Hi


MikSmith wrote:
 Hi
 
 I've been playing with a 3x2 graphics device using the default size as it
 appears on screen. This has given me tall thin plots which I can resize by
 dragging the window and increasing the window width. However I was wondering
 if I can force R to produce square plots or set the actual aspect ratio. asp
 seems to affect data units, not on-screen pixel units.


Sounds like you need a layout, for example ...


par(mar=c(4, 4, 1, 1))
layout(matrix(1:6, nrow=3),
   widths=rep(2, 2),
   heights=rep(1, 3),
   respect=TRUE)
for (i in 1:6) plot(1:i)


Paul


 thanks
 
 mike

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The University of Auckland
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