The inset= argument to legend does not depend on usr coordinates. On Wed, Jul 2, 2008 at 5:41 AM, Anne-Marie Ternes <[EMAIL PROTECTED]> wrote: > Dear helpers, > > I'm using a R script on several different datasets, which makes that > axis scales may vary quite a lot from dataset to dataset. So what I'm > looking for now, is how to automagically find out how to position the > legend (horizontal) in the space below the x-axis title, and how to > make sure that the legend is within the limits of the lower inner or > outer margin? > > I'm aware of plot, device and figure regions, and of the "din, fin, > pin, usr, mai, mar, omi, oma and xpd" parameters, of inner and outer > margins. > > I cannot simply position my legend on "minus something", as that > depends on "usr" coordinates, and those depend on the scale of the > y-axis. > > I tried finding the ideal spot by taking the figure height and > subtracting the upper margin, the height of the plot region, and half > of the lower margin. This is quite tedious and doesn't help me, as I > get a spot in inches, which doesn't to correspond to the "usr" > coordinates. > > I also tried to convert between inches and "usr" coordinates using > "xy.coords", but the result did not correspond to the position > returned by "locator". > > I'm also aware of "mtext" and its fabulous arguments "side" and > "line", but there I loose the functionality of displaying the legend > symbols. > > Finally, I found a hint about using "layout", but there I admit I > would need more than a hint - a small tutorial or graphical example > with code would be very helpful. > > So, the question is, if there is per chance a way to pass "side" and > "line" arguments to "legend", and if not, what is the best way to do > what I try to do? BTW, the plot types involved are mostly line plots > and barplots. > > Thanks a lot for your help, > > Anne-Marie > > ______________________________________________ > R-help@r-project.org 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@r-project.org 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.
