+const SMDS_PositionPtr& SMDS_MeshNode::GetPosition() const
+{
+ return myPosition;
+}
+
+//=======================================================================
+/*!
+ * \brief Iterator on list of elements
+ */
+//=======================================================================
+
+class SMDS_MeshNode_MyInvIterator:public SMDS_ElemIterator
+{
+ NCollection_List<const SMDS_MeshElement*>::Iterator myIterator;
+ SMDSAbs_ElementType myType;
+ public:
+ SMDS_MeshNode_MyInvIterator(const NCollection_List<const SMDS_MeshElement*>& s,
+ SMDSAbs_ElementType type):
+ myIterator(s), myType(type)
+ {}
+
+ bool more()
+ {
+ if ( myType != SMDSAbs_All ) {
+ while ( myIterator.More() && myIterator.Value()->GetType() != myType)
+ myIterator.Next();
+ }
+ return myIterator.More() != Standard_False;
+ }
+
+ const SMDS_MeshElement* next()
+ {
+ const SMDS_MeshElement* current=myIterator.Value();
+ myIterator.Next();
+ return current;
+ }
+};
+
+SMDS_ElemIteratorPtr SMDS_MeshNode::
+ GetInverseElementIterator(SMDSAbs_ElementType type) const
+{
+ return SMDS_ElemIteratorPtr(new SMDS_MeshNode_MyInvIterator(myInverseElements,type));
+}
+
+// Same as GetInverseElementIterator but the create iterator only return
+// wanted type elements.
+class SMDS_MeshNode_MyIterator:public SMDS_ElemIterator
+{
+ NCollection_List<const SMDS_MeshElement*> mySet;
+ NCollection_List<const SMDS_MeshElement*>::Iterator myIterator;
+ public:
+ SMDS_MeshNode_MyIterator(SMDSAbs_ElementType type,
+ const NCollection_List<const SMDS_MeshElement*>& s)
+ {
+ const SMDS_MeshElement * e;
+ bool toInsert;
+ NCollection_List<const SMDS_MeshElement*>::Iterator it(s);
+ for(; it.More(); it.Next())
+ {
+ e=it.Value();
+ switch(type)
+ {
+ case SMDSAbs_Edge: toInsert=true; break;
+ case SMDSAbs_Face: toInsert=(e->GetType()!=SMDSAbs_Edge); break;
+ case SMDSAbs_Volume: toInsert=(e->GetType()==SMDSAbs_Volume); break;
+ }
+ if(toInsert) mySet.Append(e);
+ }
+ myIterator.Init(mySet);
+ }
+
+ bool more()
+ {
+ return myIterator.More() != Standard_False;
+ }
+
+ const SMDS_MeshElement* next()
+ {
+ const SMDS_MeshElement* current=myIterator.Value();
+ myIterator.Next();
+ return current;
+ }
+};
+
+SMDS_ElemIteratorPtr SMDS_MeshNode::
+ elementsIterator(SMDSAbs_ElementType type) const
+{
+ if(type==SMDSAbs_Node)
+ return SMDS_MeshElement::elementsIterator(SMDSAbs_Node);
+ else
+ return SMDS_ElemIteratorPtr
+ (new SMDS_IteratorOfElements
+ (this,type,
+ SMDS_ElemIteratorPtr(new SMDS_MeshNode_MyIterator(type, myInverseElements))));
+}
+
+int SMDS_MeshNode::NbNodes() const
+{
+ return 1;
+}
+
+double SMDS_MeshNode::X() const
+{
+ return myX;
+}
+
+double SMDS_MeshNode::Y() const
+{
+ return myY;
+}
+
+double SMDS_MeshNode::Z() const
+{
+ return myZ;
+}
+
+void SMDS_MeshNode::setXYZ(double x, double y, double z)
+{
+ myX=x;
+ myY=y;
+ myZ=z;
+}
+
+SMDSAbs_ElementType SMDS_MeshNode::GetType() const
+{
+ return SMDSAbs_Node;
+}
+
+//=======================================================================
+//function : AddInverseElement
+//purpose :
+//=======================================================================
+void SMDS_MeshNode::AddInverseElement(const SMDS_MeshElement* ME)
+{
+ NCollection_List<const SMDS_MeshElement*>::Iterator it(myInverseElements);
+ for (; it.More(); it.Next()) {
+ const SMDS_MeshElement* elem = it.Value();
+ if (elem == ME)
+ return;
+ }
+ myInverseElements.Append(ME);
+}
+
+//=======================================================================
+//function : ClearInverseElements
+//purpose :
+//=======================================================================
+void SMDS_MeshNode::ClearInverseElements()
+{
+ myInverseElements.Clear();
+}
+
+bool SMDS_MeshNode::emptyInverseElements()
+{
+ return myInverseElements.IsEmpty() != Standard_False;
+}
+
+//================================================================================
+/*!
+ * \brief Count inverse elements of given type
+ */
+//================================================================================
+
+int SMDS_MeshNode::NbInverseElements(SMDSAbs_ElementType type) const
+{
+ if ( type == SMDSAbs_All )
+ return myInverseElements.Extent();
+ int nb = 0;
+ NCollection_List<const SMDS_MeshElement*>::Iterator it( myInverseElements );
+ for ( ; it.More(); it.Next() )
+ if ( it.Value()->GetType() == type )
+ nb++;
+ return nb;
+}
+
+///////////////////////////////////////////////////////////////////////////////
+/// To be used with STL set
+///////////////////////////////////////////////////////////////////////////////
+bool operator<(const SMDS_MeshNode& e1, const SMDS_MeshNode& e2)