home.md

@@ -24,6 +24,14 @@ For those who knows what they are looking for, here is the list of the main page
     * Computing the $`G^2`$ to get average stress
     * Inverting the problem to get force measurements
  
+What is the global purpose of this group?
+=========================================
+The pupose of this git is to give an overview of the different methods to deal with photoelasticity. 
+
+What is right now th main focus of this group?
+==============================================
+At first the focus will be on [making photoealstic samples](https://git-xen.lmgc.univ-montp2.fr/PhotoElasticity/Main/wikis/method-make).
+
 
 Why should I participate to this group?
 =======================================