+ // Groups. SMESHDS_Mesh is not an owner of groups
void SetNodeOnVertex(SMDS_MeshNode * aNode, int Index);
void SetMeshElementOnShape(const SMDS_MeshElement * anElt, int Index);
+ // Groups. SMESHDS_Mesh is not an owner of groups
void AddGroup (SMESHDS_GroupBase* theGroup) { myGroups.insert(theGroup); }
void RemoveGroup (SMESHDS_GroupBase* theGroup) { myGroups.erase(theGroup); }
int GetNbGroups() const { return myGroups.size(); }