+
+/// ===================================================================
+/*!
+ * \brief Iterator on node of volume
+ */
+/// ===================================================================
+
+struct _MyIterator:public SMDS_NodeVectorElemIterator
+{
+ _MyIterator(const vector<const SMDS_MeshNode *>& nodes):
+ SMDS_NodeVectorElemIterator( nodes.begin(), nodes.end()) {}
+};
+
+/// ===================================================================
+/*!
+ * \brief Iterator on faces or edges of volume
+ */
+/// ===================================================================
+
+class _MySubIterator : public SMDS_ElemIterator
+{
+ vector< const SMDS_MeshElement* > myElems;
+ int myIndex;
+public:
+ _MySubIterator(const SMDS_MeshVolume* vol, SMDSAbs_ElementType type):myIndex(0) {
+ SMDS_VolumeTool vTool(vol);
+ if (type == SMDSAbs_Face)
+ vTool.GetAllExistingFaces( myElems );
+ else
+ vTool.GetAllExistingEdges( 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++ ]; }
+};
+
+//================================================================================
+/*!
+ * \brief Return Iterator of sub elements
+ */
+//================================================================================
+
+SMDS_ElemIteratorPtr SMDS_PolyhedralVolumeOfNodes::elementsIterator(SMDSAbs_ElementType type) const
+{
+ switch(type)
+ {
+ case SMDSAbs_Volume:
+ return SMDS_MeshElement::elementsIterator(SMDSAbs_Volume);
+ case SMDSAbs_Node:
+ return SMDS_ElemIteratorPtr(new _MyIterator(myNodesByFaces));
+ case SMDSAbs_Face:
+ return SMDS_ElemIteratorPtr(new _MySubIterator(this,SMDSAbs_Face));
+ case SMDSAbs_Edge:
+ return SMDS_ElemIteratorPtr(new _MySubIterator(this,SMDSAbs_Edge));
+ default:
+ MESSAGE("ERROR : Iterator not implemented");
+ return SMDS_ElemIteratorPtr((SMDS_ElemIterator*)NULL);
+ }
+}
+
+//================================================================================
+/*!
+ * \brief Return iterator on unique nodes
+ */
+//================================================================================
+
+SMDS_ElemIteratorPtr SMDS_PolyhedralVolumeOfNodes::uniqueNodesIterator() const
+{
+ return SMDS_ElemIteratorPtr
+ (new SMDS_NodeArrayElemIterator( myNodes, & myNodes[ myNbNodes ]));
+}
+
+//================================================================================
+/*!
+ * \brief Return node by its index
+ */
+//================================================================================
+
+const SMDS_MeshNode* SMDS_PolyhedralVolumeOfNodes::GetNode(const int ind) const
+{
+ return myNodesByFaces[ ind ];
+}