Re: [R] display UTF8 characters in pdf

2017-03-12 Thread Thierry Onkelinx
Dear all, Thanks to Ista and Olivier. The solution of Ista works for some characters but not all. The solution of Olivier works, at least for the characters that I've tried. Best regards, ir. Thierry Onkelinx Instituut voor natuur- en bosonderzoek / Research Institute for Nature and Forest team

Re: [R] display UTF8 characters in pdf

2017-03-10 Thread Olivier CROUZET
Hi, AFAICT, you need to use a Cairo device for being able to display some Unicode characters in a plot. From my experience, the CairoPDF() from library(Cairo) does not work (and I don't understand the difference with cairo_pdf()), but the cairo_pdf() from grDevices does work perfectly well for

Re: [R] display UTF8 characters in pdf

2017-03-10 Thread Ista Zahn
install.packages("emojifont") library(emojifont) ... # plot as before. Best, Ista On Fri, Mar 10, 2017 at 11:06 AM, Thierry Onkelinx wrote: > Dear all, > > I'd like to use some UTF-8 characters in a plot. Some of them are not > rendered with saving the plot as pdf. Any suggestions? > > library(

[R] display UTF8 characters in pdf

2017-03-10 Thread Thierry Onkelinx
Dear all, I'd like to use some UTF-8 characters in a plot. Some of them are not rendered with saving the plot as pdf. Any suggestions? library(ggplot2) symbols <- c("\U1F697", "\U00A9", "\U24DA", "\U00C1") test <- data.frame( x = seq_along(symbols) %% ceiling(sqrt(length(symbols))), y = ceili