Thanks for the suggestions.... Unfortunately contour won't in this case as it expects the x,y values to be in an ascending sequence.
-- View this message in context: http://r.789695.n4.nabble.com/overlaying-a-levelplot-on-a-map-plot-tp2019419p2020292.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ 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.
