David, Thanks a lot!
panel.grid() does the trick, but the generated grid extends beyond the plot region from levelplot() Is there a way to restrict grid to the plot region from levelplot() ? Best regards, Ryszard -------------------------------------------------------------------------- Confidentiality Notice: This message is private and may ...{{dropped:31}} ______________________________________________ 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.