<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Dear all,<br><br><br>I've just installed R on a new MacBook Pro, and I'm facing the following issue: continuous lines in some graphs appear with a discontinuity when I use the quartz or png() device. I really don't think it comes from this specific code as the pdf() output is fine, and so is the output on other machines. I have no clue where the problem is, I can't nail down what triggers it (I haven't been able yet to create a minimal example, sadly). The screenshot attached shows the result of the pdf() device vs the default quartz() device, note the broken lines in the middle of the right side graph.<br><br>Has anybody faced a similar glitch before? <div><br>Many thanks,<br><br>baptiste<br><br>sessionInfo()<br>R version 2.7.1 (2008-06-23)<br>i386-apple-darwin8.10.1<br><br>locale:<br>en_GB.UTF-8/en_GB.UTF-8/C/C/en_GB.UTF-8/en_GB.UTF-8<br><br>attached base packages:<br>[1] stats graphics grDevices utils datasets methods base<br><br><br><img height="332" width="609" src="cid:D3CBEF42-CEC6-45F2-965C-A700B495CD18"><br><br>PS: apologies for any duplicate, i've been trying to send to this list for 2 days without any apparent success.<br>_____________________________<br><br>Baptiste Auguié<br><br>School of Physics<br>University of Exeter<br>Stocker Road,<br>Exeter, Devon,<br>EX4 4QL, UK<br><br>Phone: +44 1392 264187<br><br><a href="http://newton.ex.ac.uk/research/emag">http://newton.ex.ac.uk/research/emag</a><br>______________________________<br></div></body></html>