How can we write Greek documents (i.e. in the Greek language) having the computer modern font? What code do we have to write? I'd like to note that I don't want to include some Greek letters, but I'd like to write an entire Greek text.
[Tex/LaTex] how can we write in Greek with computer modern font
computer-modernfontsgreek
Related Solutions
The Computer Modern Unicode cover a big part of Unicode; they are part of TeX Live 2012.
\font\tenrm="CMU Serif:mapping=tex-text"
\tenrm
Praha je hlavní a současně největší město České republiky a
14.~největší město Evropské unie. Leží mírně na sever od středu Čech
na řece Vltavě, uvnitř Středočeského kraje, jehož je správním centrem,
ale jako samostatný kraj není jeho součástí.
Tirana është kryeqendra e qarkut dhe rrethit me të njëtin emër dhe
kryeqyteti i Republikës së Shqipërisë.
İstanbul, Türkiye'nin en kalabalık, iktisadi ve kültürel açıdan en
önemli şehri.
Москва столица Российской Федерации, город федерального значения,
административный центр Центрального федерального округа и центр
Московской области, в состав которой не входит.
Η Αθήνα (Ἀθῆναι στα αρχαία ελληνικά και την καθαρεύουσα) είναι
η πρωτεύουσα της Ελλάδας. Επίσης είναι η έδρα της Περιφέρειας Αττικής.
\bye
You may need to say
\font\tenrm="[cmunrm.otf]:mapping=tex-text"
if you don't have the fonts installed as system fonts.
The texts are from Wikipedia (pages for Praha, in Czech; for Tirana, in Albanian; for Istanbul, in Turkish; for Moscow, in Russian; for Athens, in Greek).
The Latin Modern fonts don't have the full set of Greek letters, but only some of them.
If you need only some Greek words, you can benefit from the ucharclasses package, as shown in the example. If you need longer passages in Greek, it's convenient to load Polyglossia.
\documentclass{article}
\usepackage{fontspec}
\usepackage[Latin,Greek]{ucharclasses}
\setmainfont[Ligatures=TeX]{Latin Modern Roman}
\newfontfamily{\gfsartemisia}{GFS Artemisia}
\newfontfamily{\gfsbaskerville}{GFS Baskerville}
\newfontfamily{\gfsbodoni}{GFS Bodoni}
\newfontfamily{\gfsdidot}{GFS Didot}
\newfontfamily{\cmu}{CMU Serif}
\newcommand{\greekfont}{\gfsartemisia}
\setTransitionsForLatin{}{}
\setTransitionsForGreek{\begingroup\greekfont}{\endgroup}
\begin{document}
GFS Artemisia -- This text appears fine: ΔπΩε. And again.
\renewcommand{\greekfont}{\gfsbaskerville}
GFS Baskerville -- This text appears fine: ΔπΩε. And again.
\renewcommand{\greekfont}{\gfsbodoni}
GFS Bodoni -- This text appears fine: ΔπΩε. And again.
\renewcommand{\greekfont}{\gfsdidot}
GFS Didot -- This text appears fine: ΔπΩε. And again.
\renewcommand{\greekfont}{\cmu}
CMU Serif --This text appears fine: ΔπΩε. And again.
\end{document}
After you've chosen the font that suits you (maybe experimenting with other Greek fonts), give it directly the name of \greekfont.
Best Answer
It's not at all difficult, if you have an up-to-date TeX distribution.
The text is from http://el.wikipedia.org/wiki/Αθήνα
Version for TeX Live 2013 and later
Version for TeX Live 2012
Version for pre 2012 TeX Live
With an older TeX system (but I recommend you to upgrade) you get the same result with the following code.
Notes about the answer
The original answer did not have the first part, because it was written when the current release of TeX Live was labeled 2012.