Hi Uwe, thanks for the reply! I used postscript() instead of dev.copy2eps(), but the problem remained; furthermore, its the same on the screen and in a physical print. After some more testing, I figured out that I can produce the desired output if I do not use the pre-defined line type "dotted", as in
lines(LL[1:251], type="l", lwd=1, lty="dotted"), but rather define an own line type as in lines(LL[1:251], type="l", lwd=1, lty="11"). With this, dotted lines in the eps output look nice. So, thanks again for your help, Gregor Am Sonntag, 26. März 2006 15:16 schrieb Uwe Ligges: > Gregor Volberg wrote: > > Dear all, > > I am new to this list and, unfortunately, could not provide help to > > anyone as yet. I hope I can do so in the future, though! Until then, I am > > grateful for helpful hints from you more experienced users. > > > > For use in an upcoming publication, I generated an eps figure from my > > x11 window under Debian Linux with dev.copy2eps. It contains 28 line > > plots with 2 lines each, one solid and one dotted (they show > > event-related brain potentials in two different conditions, if this is of > > interest for someone). The plots are arranged in a window with width=5 > > inch and height = 6 inch, so single plots are quite small. > > Now the problem: When I include the file in Latex or other word > > processing programs, the dotted line is almost unreadable. The whole > > waveform consists of, say, 20 dots, which hardly form a curve. The same > > problem occurs under MS Windows with dev.copy2eps(). However, when I > > directly plot the device under Windows, the dotted lines are nice. Thus, > > the problem is presumably special to eps "export". > > I know that I could do an easy workaround by using thick/thin lines or > > black/grey ones, but publication offices say that such lines are hard to > > distinguish for the reader in the final print version. Also, I searched > > this list for something like "high resolution plots", but I learend that > > eps as a vector format does not have a fixed resolution (and thus no > > option to make ist "higher"). Plotting the figure to another device (png, > > bmp) reveals the expected curves, but bitmaps are often not accepted. > > Does anyone have a hint, or does anyone have the same problem? Thank you > > in advance for your help! > > 1. Use postscript() directly rather than the way through dev.copy2eps() > (which should work as well, but let us exclude it for further reference). > > 2. Print the resulting postscript physically rather than looking at it > on the screen. Omitting some points might be caused by some settings of > your postscript viewer. > > Uwe Ligges > > > Gregor > > > > > > P.S.: The dotted lines are not fuzzy, but "stretched" in the way that the > > point are to far away from each other to appear continuos. The same is > > with other non-solid lines (dashed etc). -- Dr. rer. nat. Gregor Volberg <[EMAIL PROTECTED]> Institute for Experimental Psychology University of Regensburg Universitätsstraße 31 D-93053 Regensburg Germany Tel: +49 941 943 3862 Fax: +49 941 943 3233 http://www.psychologie.uni-regensburg.de/Greenlee/team/volberg/volberg.html
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