[R] Sweave (R?) font encoding problems

[Prof Brian Ripley]

You are using UTF-8 and declaring latin1.  It is your use of UTF-8
that will have changed, not R.

On Mon, 31 Oct 2005, Luís Torgo wrote:

> Dear R list,
>
> I'm having some problems with font encodings when using R+Sweave+Latex in my
> native language: Portuguese.
>
> My environment:
> Kubuntu 5.10 Linux
> $> uname -a
> Linux nassa 2.6.12-9-686 #1 Mon Oct 10 13:25:32 BST 2005 i686 GNU/Linux
>
> R> R.version
>         _
> platform i486-pc-linux-gnu
> arch     i486
> os       linux-gnu
> system   i486, linux-gnu
> status
> major    2
> minor    1.1
> year     2005
> month    06
> day      20
> language R
> R> Sys.getlocale()
> [1]
> "LC_CTYPE=pt_PT.utf-8;LC_NUMERIC=C;LC_TIME=pt_PT.utf-8;LC_COLLATE=pt_PT.utf-8;LC_MONETARY=pt_PT.utf-8;LC_MESSAGES=pt_PT.utf-8;LC_PAPER=C;LC_NAME=C;LC_ADDRESS=C;LC_TELEPHONE=C;LC_MEASUREMENT=C;LC_IDENTIFICATION=C"
> R> localeToCharset()
> [1] "ISO8859-1"
>
>
> Here is a small example trying to replicate my problems:
>
> File:exp.Rnw
> ================================
> \documentclass[10pt,twoside]{article}
> \usepackage[dvips]{graphicx}
> \usepackage[portuges]{babel}
> \usepackage[latin1]{inputenc}
> \usepackage[T1]{fontenc}
>
> \begin{document}
>
> \section{Introdução}
>
> Isto é uma experiência.
>
> \begin{figure}[b]
> \centering
> <<echo=false,fig=true,width=10,height=10>>=
> barras(1)
> @
> \caption{Distribuição dos valores percentuais.}
> \label{fig:idade}
> \end{figure}
>
> \end{document}
> =================================
>
> The problem occurs when I Sweave this file using the command:
> R> Sweave('exp.Rnw')
>
> The generated exp.tex file gets these contents:
> =================================
> \documentclass[10pt,twoside]{article}
> \usepackage[dvips]{graphicx}
> \usepackage[portuges]{babel}
> \usepackage[latin1]{inputenc}
> \usepackage[T1]{fontenc}
>
> \usepackage{/usr/lib/R/share/texmf/Sweave}
> \begin{document}
>
> \section{Introdução}
>
> Isto é uma experiência.
>
> \begin{figure}[b]
> \centering
> \includegraphics{exp-001}
> \caption{Distribuição dos valores percentuais.}
> \label{fig:idade}
> \end{figure}
>
> \end{document}
> =================================
>
> All Portuguese  characters were "spoiled".  So apparently the Sweave function
> is "translating" my original font encoding
>
> I suspect that this is a problem related to the recent internationalization
> changes in R, as this same file/process was previously (around a year ago I
> think) working correctly for me.
>
> I've read several documentation on these internationalization issues in R and
> browsed the mailing list. As a result, because initially I didn't have R
> working with the pt_PT.utf-8 locale, I've installed the PT language support
> package for my OS, expecting that this would solve the "problem".  Apparently
> I'm missing something else, so I wonder if someone could give me a hint on
> how to solve this.
>
> Thanks,
> Luis Torgo
>
> -- 
> Luis Torgo
>    FEP/LIACC, University of Porto   Phone : (+351) 22 339 20 93
>    Machine Learning Group           Fax   : (+351) 22 339 20 99
>    R. de Ceuta, 118, 6o             email : ltorgo at liacc.up.pt
>    4050-190 PORTO - PORTUGAL        WWW   : http://www.liacc.up.pt/~ltorgo
>
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>

-- 
Brian D. Ripley,                  ripley at 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