In addition to the manner in which the PDF files are generated, you might want to consider the possibility that the lines are artifacts created by your PDF viewer.
See: http://cran.r-project.org/doc/FAQ/R-FAQ.html#Why-are-there-unwanted-borders Regards, Marc Schwartz On Jun 3, 2013, at 9:08 AM, Viechtbauer Wolfgang (STAT) <wolfgang.viechtba...@maastrichtuniversity.nl> wrote: > I have come across this issue many times. I have yet to find a pattern in > what causes this. > > At least I can offer a workaround. Instead of using "Save As" to create the > pdf, what I do is "Print" with "Adobe PDF" as the printer. This gets rid of > those lines and the resulting pdf looks just as nice. > > There is one slight disadvantage to this. Hyperlinks in your Powerpoint > presentation that are not directly given as a URL (with no line breaks) will > no longer work. So, if you have: > > http://www.r-project.org/ > > in your slide, then this will be "clickable". However, if the hyperlink is a > property of the object (e.g., text, button) in the slide, then it won't be > anymore clickable when you "print" it (while "Save As" does preserve those > links). > > Best, > Wolfgang > > -- > Wolfgang Viechtbauer, Ph.D., Statistician > Department of Psychiatry and Psychology > School for Mental Health and Neuroscience > Faculty of Health, Medicine, and Life Sciences > Maastricht University, P.O. Box 616 (VIJV1) > 6200 MD Maastricht, The Netherlands > +31 (43) 388-4170 | http://www.wvbauer.com > > >> -----Original Message----- >> From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] >> On Behalf Of Jeff Newmiller >> Sent: Monday, June 03, 2013 13:58 >> To: Erling Johan Frøysa; r-help@r-project.org >> Subject: Re: [R] Strange behaviour of R graphics copied to PowerPoint >> >> I have not seen this particular problem, but I have seen other problems >> and I tend to export bitmaps or pdf files as a result. >> >> Note that a reproducible example is usually required to to obtain help on >> this list, and posting in HTML format is bad because it mutilates example >> code, so fix your email client. Please read the Posting Guide for more >> etiquette tips. >> -------------------------------------------------------------------------- >> - >> Jeff Newmiller The ..... ..... Go >> Live... >> DCN:<jdnew...@dcn.davis.ca.us> Basics: ##.#. ##.#. Live >> Go... >> Live: OO#.. Dead: OO#.. Playing >> Research Engineer (Solar/Batteries O.O#. #.O#. with >> /Software/Embedded Controllers) .OO#. .OO#. >> rocks...1k >> -------------------------------------------------------------------------- >> - >> Sent from my phone. Please excuse my brevity. >> >> "Erling Johan Frøysa" <erling.fro...@gmail.com> wrote: >> >>> Hello, >>> >>> I am using R to create graphics, especially to plot time series charts. >>> These charts are then copied as metafiles (for best quality) to a >>> PowerPoint >>> presentation and then saved to PDF (via the "Save As" dialog"). >>> >>> Attached is two pictures. The first picture shows how my chart looks >>> like in >>> the R Graphics window, and the second picture shows how the chart >>> becomes >>> after saving it to PDF. >>> >>> < http://r.789695.n4.nabble.com/file/n4668522/R.png> >>> >>> < http://r.789695.n4.nabble.com/file/n4668522/Rppt.png> >>> >>> As you can see. After saving the metafile to PDF via PowerPoint, some >>> straight lines appears (it seems like all of the lines has the same >>> origin >>> in the upper left corner and ends somewhere on the times series line). >>> This >>> happens in both plot() and ggplot(). The problem appears more often >>> when >>> using daily data in my time series. With monthly data the problem don't >>> exist. >>> >>> Have anyone experienced this before? Do you think the problem is >>> related to >>> R or to Powerpoint? >>> >>> Thanks all, >>> >>> E ______________________________________________ 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.
