+/// ===================================================================
+/*!
+ * \brief Iterator on faces or edges of volume
+ */
+/// ===================================================================
+
+class _MySubIterator : public SMDS_ElemIterator
+{
+ vector< const SMDS_MeshElement* > myElems;
+ int myIndex;
+public:
+ _MySubIterator(const SMDS_VolumeOfNodes* vol, SMDSAbs_ElementType type):myIndex(0) {
+ SMDS_VolumeTool vTool(vol);
+ if (type == SMDSAbs_Face)
+ vTool.GetAllExistingFaces( myElems );
+ else
+ vTool.GetAllExistingFaces( myElems );
+ }
+ /// Return true if and only if there are other object in this iterator
+ virtual bool more() { return myIndex < myElems.size(); }
+
+ /// Return the current object and step to the next one
+ virtual const SMDS_MeshElement* next() { return myElems[ myIndex++ ]; }
+};
+