Devred, Emmanuel <DevredE <at> mar.dfo-mpo.gc.ca> writes: > I haven't found a way in the searchable archive to overplot a contour > (lines) over a surface. > I have a (n,m) matrix that represents sea surface temperature that I > have plotted using image.plot(), filled.contour() or image(). I would > like to overplot this image with some contour lines of mixed layer depth > values(same size matrix). How can I do this? >
When I search for contour (nothing else), the first item by Uwe Ligges is probably what you want: http://finzi.psych.upenn.edu/R/Rhelp02a/archive/2211.html Dieter ______________________________________________ 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.