Legend placement in barplot?
On Fri, 5 Nov 2004, F Z wrote:
You can use locator() nested within legend() i.e. plot(YourVariable) legend(locator(1),legend="Your Legend") Once you call this command it will display "Your Legend" in the place where you left clicked your mouse. Beware that, as described in the documentation "...'locator' is only supported on screen devices such as 'X11','windows' and 'quartz'. On other devices the call will do nothing" Altrenativelly you can pass the exact coordinates of the position where you want the legend, instead of using locator i.e. plot(YourVariable) x<-list(x=-91.76781, y=46.87375) legend(x,legend="Your Legend") I hope that this helps Francisco
Thanks very much for the tips. Basically I want a very flexible solution that lets me punch the numbers in - take a look at the result and then immediatly dump a .ps / .eps / .png format of what I saw. The result should be very quickly 'publication quality' (whatever that is). The problem with locator is that I don't know how to make it work with postscript, and I don't want to find out. I don't want to have to probe my figure for the coordinates every time I change the data in my figure. I am happy saying something like 'oh, top left is bad, lets use top right' - done. smartlegend is almost there, I just think barplot should support exactly the same functionality as smartlegend. This would save me the hassle of creating a new legend every time my data changes, matching up colors and names. I am sure their is a way to code this, but I don't want to write code - at least not code that I have to look at when what I want to see is my data.
From: Gabor Grothendieck <ggrothendieck at myway.com> To: r-help at stat.math.ethz.ch Subject: Re: [R] Legend placement in barplot? Date: Wed, 3 Nov 2004 18:48:48 +0000 (UTC) Dan Bolser <dmb <at> mrc-dunn.cam.ac.uk> writes: : : This has been asked before, but all the answers are hidiously complex. : : The : : legend.text=TRUE : : option of barplot is almost exactly what I need, except I need a : : legend.placement='tl' : : (top left) option. This option would be in contrast to the default : placement which we could call 'tr' (top right). : : Anyone know how to edit the barplot code to make this change? Could : someone like me work out how to do this? : : Cheers, : Dan. Check out gplots::smartlegend (in the R 2.0.0 gregmisc bundle).
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