Dr. Ripley, Thank you, yes, it's the anti-aliasing thing again. I'm using Redhat EL4, R-2.8.0, and pdf(). I had the problem with images displayed in xpdf, even with xpdf -aa no. I do not get the problem in Adobe Reader 7.0 for Linux. I'll try harder to remember this point. Scott Waichler Pacific Northwest National Laboratory [EMAIL PROTECTED]
> Most likely this is a bug in your pdf viewer: try turning off > anti-aliasing there (or use a better viewer, if that is not > an option). > It is a symptom of anti-aliasing of the rectangles used to > plot image pixels. ______________________________________________ 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.
