Hi, Another option might be the tikzDevice package, which uses LaTeX to process the fonts,
library(tikzDevice) tikz(standAlone=T) plot(1,1, type = 'n') mtext(side = 3, line = 2, "$\\mu$") dev.off() ## system("/usr/texbin/pdflatex Rplots.tex") HTH, baptiste On 20 April 2010 07:30, Prof Brian Ripley <rip...@stats.ox.ac.uk> wrote: > This is discussed in detail on the help page for postcript! Default > PostScript with the 14 standard fonts does not cover Greek at all (but it > does cover mathematical symbols such as mu, in a different typeface). > > See the section 'Encodings': to display Greek you need to have an encoding > which supports Greek. You did not give us the 'at a minimum' information > requested in the posting guide so we don't know your locale, but at a guess > you got ISOLatin1, which does not support Greek. > > So try encoding="Greek" and family="URWHelvetica", and make sure that your > viewer is able to support the font. > > On Mon, 19 Apr 2010, Julia Uitz wrote: > >> Hi, >> >> I need to add on a plot text containing italic Greek characters using the >> function mtext (i.e. I cannot use Hershey vectors). The characters are >> nicely displayed when the file is saved as png but not when saved as eps. >> See code below as example: >> >> #postscript('test.eps') >> png('test.png') >> >> plot(1,1, type = 'n') >> mtext(side = 3, line = 2, expression(italic('\u03bc'))) >> >> graphics.off() >> >> Does anyone have an idea on how to solve this issue? >> >> FYI I use R 2.10.1 for Max OS X (v. 10.6.3) but this is not an OS related >> issue (I have also tried with Windows). >> >> Many many thanks in advance, >> >> - Julia >> >> -- >> Julia Uitz >> Scripps Institution of Oceanography >> University of California San Diego >> >> ______________________________________________ >> 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. >> > > -- > Brian D. Ripley, rip...@stats.ox.ac.uk > Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/ > University of Oxford, Tel: +44 1865 272861 (self) > 1 South Parks Road, +44 1865 272866 (PA) > Oxford OX1 3TG, UK Fax: +44 1865 272595 > > ______________________________________________ > 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. > -- ____________________ Baptiste Auguié Departamento de Química Física, Universidade de Vigo, Campus Universitario, 36310, Vigo, Spain tel: +34 9868 18617 http://webs.uvigo.es/coloides ______________________________________________ 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.