Dear lists, as requested, I wrote a small tutorial.
The tutorial is here:�http://car.mines-douai.fr/2014/01/624/

You are welcome to comment and to fix my english :)
Cheers
--

~~Jannik�Laval~~
�cole des Mines de Douai
Enseignant-chercheur
http://www.jannik-laval.eu
http://car.mines-douai.fr/