-using namespace std;
-// File: SMDS_MeshEdge.cxx
-// Created: Wed Jan 23 17:02:20 2002
-// Author: Jean-Michel BOULCOURT
-// <jmb@coulox.paris1.matra-dtv.fr>
+// SMESH SMDS : implementaion of Salome mesh data structure
+//
+// Copyright (C) 2003 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
+// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.opencascade.org/SALOME/ or email : webmaster.salome@opencascade.org
+//
+//
+//
+// File : SMDS_MeshEdge.cxx
+// Author : Jean-Michel BOULCOURT
+// Module : SMESH
+
+#ifdef _MSC_VER
+#pragma warning(disable:4786)
+#endif
+#include "SMDS_MeshEdge.hxx"
+#include "SMDS_IteratorOfElements.hxx"
+#include "SMDS_MeshNode.hxx"
-#include "SMDS_MeshEdge.ixx"
+using namespace std;
//=======================================================================
//function : SMDS_MeshEdge
//purpose :
//=======================================================================
-SMDS_MeshEdge::SMDS_MeshEdge(const Standard_Integer ID,
- const Standard_Integer idnode1,
- const Standard_Integer idnode2) :
-SMDS_MeshElement(ID,2,SMDSAbs_Edge)
-{
- SetConnections(idnode1,idnode2);
- ComputeKey();
+SMDS_MeshEdge::SMDS_MeshEdge(const SMDS_MeshNode * node1,
+ const SMDS_MeshNode * node2)
+{
+ myNodes[0]=node1;
+ myNodes[1]=node2;
}
//=======================================================================
-//function : SetConnections
+//function : Print
//purpose :
//=======================================================================
-void SMDS_MeshEdge::SetConnections(const Standard_Integer idnode1,
- const Standard_Integer idnode2)
+
+void SMDS_MeshEdge::Print(ostream & OS) const
+{
+ OS << "edge <" << GetID() << "> : (" << myNodes[0] << " , " << myNodes[1] <<
+ ") " << endl;
+}
+
+int SMDS_MeshEdge::NbNodes() const
+{
+ return 2;
+}
+
+int SMDS_MeshEdge::NbEdges() const
+{
+ return 1;
+}
+
+SMDSAbs_ElementType SMDS_MeshEdge::GetType() const
+{
+ return SMDSAbs_Edge;
+}
+
+class SMDS_MeshEdge_MyNodeIterator:public SMDS_ElemIterator
{
- Standard_Integer idmin = (idnode1 < idnode2? idnode1 : idnode2);
+ const SMDS_MeshNode *const* myNodes;
+ int myIndex;
+ public:
+ SMDS_MeshEdge_MyNodeIterator(const SMDS_MeshNode * const* nodes):
+ myNodes(nodes),myIndex(0) {}
+
+ bool more()
+ {
+ return myIndex<2;
+ }
- myNodes[0] = idmin;
- if (idmin == idnode1) {
- myNodes[1] = idnode2;
- } else {
- myNodes[1] = idnode1;
+ const SMDS_MeshElement* next()
+ {
+ myIndex++;
+ return myNodes[myIndex-1];
}
+};
+
+SMDS_ElemIteratorPtr SMDS_MeshEdge::
+ elementsIterator(SMDSAbs_ElementType type) const
+{
+ switch(type)
+ {
+ case SMDSAbs_Edge:
+ return SMDS_MeshElement::elementsIterator(SMDSAbs_Edge);
+ case SMDSAbs_Node:
+ return SMDS_ElemIteratorPtr(new SMDS_MeshEdge_MyNodeIterator(myNodes));
+ default:
+ return SMDS_ElemIteratorPtr
+ (new SMDS_IteratorOfElements
+ (this,type, SMDS_ElemIteratorPtr(new SMDS_MeshEdge_MyNodeIterator(myNodes))));
+ }
+}
+
+bool operator<(const SMDS_MeshEdge & e1, const SMDS_MeshEdge & e2)
+{
+ int id11=e1.myNodes[0]->GetID();
+ int id21=e2.myNodes[0]->GetID();
+ int id12=e1.myNodes[1]->GetID();
+ int id22=e2.myNodes[1]->GetID();
+ int tmp;
+
+ if(id11>=id12)
+ {
+ tmp=id11;
+ id11=id12;
+ id12=tmp;
+ }
+ if(id21>=id22)
+ {
+ tmp=id21;
+ id21=id22;
+ id22=tmp;
+ }
+
+ if(id11<id21) return true;
+ else if(id11==id21) return (id21<id22);
+ else return false;
}
//=======================================================================
-//function : Print
+//function : ChangeNodes
//purpose :
//=======================================================================
-void SMDS_MeshEdge::Print(Standard_OStream& OS) const
+bool SMDS_MeshEdge::ChangeNodes(const SMDS_MeshNode * node1,
+ const SMDS_MeshNode * node2)
{
- OS << "edge <" << myID <<"> : (" << myNodes[0] << " , " << myNodes[1] << ") " << endl;
+ myNodes[0]=node1;
+ myNodes[1]=node2;
+ return true;
}
-
-
-
