+ virtual SMDS_ElemIteratorPtr nodesIteratorToUNV() const;
+ virtual SMDS_ElemIteratorPtr interlacedNodesElemIterator() const;
+
+ // std-like iteration on nodes
+ typedef SMDS_StdIterator< const SMDS_MeshNode*, SMDS_ElemIteratorPtr > iterator;
+ iterator begin_nodes() const { return iterator( nodesIterator() ); }
+ iterator end_nodes() const { return iterator(); }