The cnvrt.coords fnuction in the TeachingDemos package may simplify the procces of getting the coordinates.
Hope this helps, -- Gregory (Greg) L. Snow Ph.D. Statistical Data Center Intermountain Healthcare [EMAIL PROTECTED] (801) 408-8111 -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Marc Schwartz (via MN) Sent: Monday, October 09, 2006 9:18 AM To: Mike Wolfgang Cc: R-help list Subject: Re: [R] lines at margin? On Mon, 2006-10-09 at 10:56 -0400, Mike Wolfgang wrote: > Hi list, > > I want to add some lines at margin area of one figure. mtext could add > text to these margins, can I add lines with different lty parameters? > Thanks, > > mike You can do it, but it will take some fiddling to get the coordinates right: # Do a generic plot plot(1:10) # Get the current plot region axis ranges # x1, x2, y1, y2 par("usr") [1] 0.64 10.36 0.64 10.36 # Draw a vertical line in the right hand margin # Set 'xpd = TRUE' so that plotting is not # clipped at the plot region boundary segments(10.75, 4, 10.75, 6, xpd = TRUE) See ?par for more information. HTH, Marc Schwartz ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
