From 43f06c83878240e7c9bdc9aa33b84115c6a56022 Mon Sep 17 00:00:00 2001
From: Paul RASCLE <paul.rascle@edf.fr>
Date: Mon, 8 Feb 2016 14:14:37 +0100
Subject: [PATCH] Python message when groups of nodes are missing

---
 src/HYDROTools/interpolZ.py | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/HYDROTools/interpolZ.py b/src/HYDROTools/interpolZ.py
index d803355b..268c0e35 100644
--- a/src/HYDROTools/interpolZ.py
+++ b/src/HYDROTools/interpolZ.py
@@ -190,6 +190,13 @@ def interpolZ(nomCas, fichierMaillage, dicoGroupeRegion, zUndef):
   ([maillagePlat], status) = smesh.CreateMeshesFromMED(fichierMaillage)
   groups = maillagePlat.GetGroups()
   
+  grpns = [grp for grp in groups if grp.GetType() == SMESH.NODE]
+  if len(grpns) == 0:
+    print "Problem! There are no groups of nodes in the mesh!"
+    print "Please create at least the groups of nodes corresponding to each region of the HYDRO case" 
+    return {}
+    
+  
   for grp in groups:
     if grp.GetType() == SMESH.NODE:
       grpName = grp.GetName()
-- 
2.39.2