On 9/19/2008 9:32 AM, john crepezzi wrote:
Is it possible to see if a plot is already open before I call lines()?
I don't think so. You can see if a graphics device is open by looking at dev.cur(), but I don't think there's a test for plot.new(). I'd just wrap the call in try() if you're not sure it will work.
Duncan Murdoch ______________________________________________ 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.
