-using namespace std;
-// File: SMDS_MeshElement.cxx
-// Created: Wed Jan 23 16:49:11 2002
-// Author: Jean-Michel BOULCOURT
-// <jmb@coulox.paris1.matra-dtv.fr>
-
-
-#include "SMDS_MeshElement.ixx"
+// Copyright (C) 2007-2013 CEA/DEN, EDF R&D, OPEN CASCADE
+//
+// Copyright (C) 2003-2007 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.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
+
+// SMESH SMDS : implementaion of Salome mesh data structure
+//
+#ifdef _MSC_VER
+#pragma warning(disable:4786)
+#endif
+
+#include "SMDS_MeshElement.hxx"
+#include "SMDS_MeshNode.hxx"
+#include "SMDS_MeshEdge.hxx"
+#include "SMDS_MeshFace.hxx"
+#include "SMDS_MeshVolume.hxx"
+#include "utilities.h"
-//=======================================================================
-//function : SMDS_MeshElement
-//purpose :
-//=======================================================================
+using namespace std;
-SMDS_MeshElement::SMDS_MeshElement(const Standard_Integer ID, const Standard_Integer nb,const SMDSAbs_ElementType Type)
- :myID(ID),myNbNodes(nb),myType(Type)
+SMDS_MeshElement::SMDS_MeshElement(int ID)
{
+ init(ID);
}
-//=======================================================================
-//function : GetConnections
-//purpose :
-//=======================================================================
-
-Standard_Address SMDS_MeshElement::GetConnections() const
+SMDS_MeshElement::SMDS_MeshElement(int id, ShortType meshId, LongType shapeId)
{
- return (Standard_Address)&myID;
+ init(id, meshId, shapeId);
}
-
-//=======================================================================
-//function : GetConnection
-//purpose :
-//=======================================================================
-
-Standard_Integer SMDS_MeshElement::GetConnection(const Standard_Integer rank) const
+void SMDS_MeshElement::init(int id, ShortType meshId, LongType shapeId )
{
- return myID;
+ myID = id;
+ myMeshId = meshId;
+ myShapeId = shapeId;
+ myIdInShape = -1;
}
-
-//=======================================================================
-//function : InverseElements
-//purpose :
-//=======================================================================
-
-const SMDS_ListOfMeshElement& SMDS_MeshElement::InverseElements() const
+void SMDS_MeshElement::Print(ostream & OS) const
{
- static SMDS_ListOfMeshElement empty;
- return empty;
+ OS << "dump of mesh element" << endl;
}
-//=======================================================================
-//function : ClearInverseElements
-//purpose :
-//=======================================================================
-
-void SMDS_MeshElement::ClearInverseElements()
+ostream & operator <<(ostream & OS, const SMDS_MeshElement * ME)
{
+ ME->Print(OS);
+ return OS;
}
-//=======================================================================
-//function : AddInverseElement
-//purpose :
-//=======================================================================
+///////////////////////////////////////////////////////////////////////////////
+/// Create an iterator which iterate on nodes owned by the element.
+/// This method call elementsIterator().
+///////////////////////////////////////////////////////////////////////////////
+SMDS_ElemIteratorPtr SMDS_MeshElement::nodesIterator() const
+{
+ return elementsIterator(SMDSAbs_Node);
+}
-void SMDS_MeshElement::AddInverseElement(const Handle(SMDS_MeshElement)& elem)
+///////////////////////////////////////////////////////////////////////////////
+/// Create an iterator which iterate on edges linked with or owned by the element.
+/// This method call elementsIterator().
+///////////////////////////////////////////////////////////////////////////////
+SMDS_ElemIteratorPtr SMDS_MeshElement::edgesIterator() const
{
+ return elementsIterator(SMDSAbs_Edge);
}
-//=======================================================================
-//function : NbEdges
-//purpose :
-//=======================================================================
+///////////////////////////////////////////////////////////////////////////////
+/// Create an iterator which iterate on faces linked with or owned by the element.
+/// This method call elementsIterator().
+///////////////////////////////////////////////////////////////////////////////
+SMDS_ElemIteratorPtr SMDS_MeshElement::facesIterator() const
+{
+ return elementsIterator(SMDSAbs_Face);
+}
-Standard_Integer SMDS_MeshElement::NbEdges() const
+///////////////////////////////////////////////////////////////////////////////
+///Return The number of nodes owned by the current element
+///////////////////////////////////////////////////////////////////////////////
+int SMDS_MeshElement::NbNodes() const
{
- return 0;
+ int nbnodes=0;
+ SMDS_ElemIteratorPtr it=nodesIterator();
+ while(it->more())
+ {
+ it->next();
+ nbnodes++;
+ }
+ return nbnodes;
}
-//=======================================================================
-//function : NbFaces
-//purpose :
-//=======================================================================
+///////////////////////////////////////////////////////////////////////////////
+///Return the number of edges owned by or linked with the current element
+///////////////////////////////////////////////////////////////////////////////
+int SMDS_MeshElement::NbEdges() const
+{
+ int nbedges=0;
+ SMDS_ElemIteratorPtr it=edgesIterator();
+ while(it->more())
+ {
+ it->next();
+ nbedges++;
+ }
+ return nbedges;
+}
-Standard_Integer SMDS_MeshElement::NbFaces() const
+///////////////////////////////////////////////////////////////////////////////
+///Return the number of faces owned by or linked with the current element
+///////////////////////////////////////////////////////////////////////////////
+int SMDS_MeshElement::NbFaces() const
{
- return 0;
+ int nbfaces=0;
+ SMDS_ElemIteratorPtr it=facesIterator();
+ while(it->more())
+ {
+ it->next();
+ nbfaces++;
+ }
+ return nbfaces;
}
+///////////////////////////////////////////////////////////////////////////////
+///Create an iterator which iterate on elements linked with the current element.
+///@param type The of elements on which you want to iterate
+///@return A smart pointer to iterator, you are not to take care of freeing memory
+///////////////////////////////////////////////////////////////////////////////
+class SMDS_MeshElement_MyIterator:public SMDS_ElemIterator
+{
+ const SMDS_MeshElement * myElement;
+ bool myMore;
+ public:
+ SMDS_MeshElement_MyIterator(const SMDS_MeshElement * element):
+ myElement(element),myMore(true) {}
+
+ bool more()
+ {
+ return myMore;
+ }
-//=======================================================================
-//function : GetEdgeDefinedByNodes
-//purpose :
-//=======================================================================
+ const SMDS_MeshElement* next()
+ {
+ myMore=false;
+ return myElement;
+ }
+};
-void SMDS_MeshElement::GetEdgeDefinedByNodes(const Standard_Integer rank,
- Standard_Integer& idnode1,
- Standard_Integer& idnode2) const
+SMDS_ElemIteratorPtr
+SMDS_MeshElement::elementsIterator(SMDSAbs_ElementType type) const
{
- idnode1 = 0;
- idnode2 = 0;
+ /** @todo Check that iterator in the child classes return elements
+ in the same order for each different implementation (i.e: SMDS_VolumeOfNodes
+ and SMDS_VolumeOfFaces */
+ if(type==GetType())
+ return SMDS_ElemIteratorPtr(new SMDS_MeshElement_MyIterator(this));
+ else
+ {
+ MESSAGE("Iterator not implemented");
+ return SMDS_ElemIteratorPtr((SMDS_ElemIterator*)NULL);
+ }
}
-//=======================================================================
-//function : GetFaceDefinedByNodes
-//purpose :
-//=======================================================================
+//! virtual, redefined in vtkEdge, vtkFace and vtkVolume classes
+SMDS_NodeIteratorPtr SMDS_MeshElement::nodesIteratorToUNV() const
+{
+ return nodeIterator();
+}
-void SMDS_MeshElement::GetFaceDefinedByNodes(const Standard_Integer rank,
- const Standard_Address idnode,
- Standard_Integer& nb) const
+//! virtual, redefined in vtkEdge, vtkFace and vtkVolume classes
+SMDS_NodeIteratorPtr SMDS_MeshElement::interlacedNodesIterator() const
{
- nb = 0;
+ return nodeIterator();
}
-//=======================================================================
-//function : SetNormal
-//purpose :
-//=======================================================================
+namespace
+{
+ //=======================================================================
+ //class : _MyNodeIteratorFromElemIterator
+ //=======================================================================
+ class _MyNodeIteratorFromElemIterator : public SMDS_NodeIterator
+ {
+ SMDS_ElemIteratorPtr myItr;
+ public:
+ _MyNodeIteratorFromElemIterator(SMDS_ElemIteratorPtr elemItr):myItr( elemItr ) {}
+ bool more() { return myItr->more(); }
+ const SMDS_MeshNode* next() { return static_cast< const SMDS_MeshNode*>( myItr->next() ); }
+ };
+ //=======================================================================
+ //class : _MyElemIteratorFromNodeIterator
+ //=======================================================================
+ class _MyElemIteratorFromNodeIterator : public SMDS_ElemIterator
+ {
+ SMDS_NodeIteratorPtr myItr;
+ public:
+ _MyElemIteratorFromNodeIterator(SMDS_NodeIteratorPtr nodeItr): myItr( nodeItr ) {}
+ bool more() { return myItr->more(); }
+ const SMDS_MeshElement* next() { return myItr->next(); }
+ };
+}
-void SMDS_MeshElement::SetNormal(const Standard_Integer rank,
- const Standard_Real vx,
- const Standard_Real vy,
- const Standard_Real vz)
+SMDS_ElemIteratorPtr SMDS_MeshElement::interlacedNodesElemIterator() const
+{
+ return SMDS_ElemIteratorPtr
+ ( new _MyElemIteratorFromNodeIterator( interlacedNodesIterator() ));
+}
+SMDS_NodeIteratorPtr SMDS_MeshElement::nodeIterator() const
{
- if (myNormals.IsNull()) {
- myNormals = new TColgp_HArray1OfDir(1,NbNodes());
- }
- myNormals->SetValue(rank, gp_Dir(vx,vy,vz));
+ return SMDS_NodeIteratorPtr
+ ( new _MyNodeIteratorFromElemIterator( nodesIterator() ));
}
-//=======================================================================
-//function : SetNormal
-//purpose :
-//=======================================================================
+bool operator<(const SMDS_MeshElement& e1, const SMDS_MeshElement& e2)
+{
+ if(e1.GetType()!=e2.GetType()) return false;
+ switch(e1.GetType())
+ {
+ case SMDSAbs_Node:
+ return static_cast<const SMDS_MeshNode &>(e1) <
+ static_cast<const SMDS_MeshNode &>(e2);
+
+ case SMDSAbs_Edge:
+ return static_cast<const SMDS_MeshEdge &>(e1) <
+ static_cast<const SMDS_MeshEdge &>(e2);
+
+ case SMDSAbs_Face:
+ return static_cast<const SMDS_MeshFace &>(e1) <
+ static_cast<const SMDS_MeshFace &>(e2);
+
+ case SMDSAbs_Volume:
+ return static_cast<const SMDS_MeshVolume &>(e1) <
+ static_cast<const SMDS_MeshVolume &>(e2);
+
+ default : MESSAGE("Internal Error");
+ }
+ return false;
+}
+
+bool SMDS_MeshElement::IsValidIndex(const int ind) const
+{
+ return ( ind>-1 && ind<NbNodes() );
+}
-void SMDS_MeshElement::SetNormal(const Standard_Integer rank,
- const gp_Vec& V)
+const SMDS_MeshNode* SMDS_MeshElement::GetNode(const int ind) const
{
- if (myNormals.IsNull()) {
- myNormals = new TColgp_HArray1OfDir(1,NbNodes());
+ if ( ind >= 0 ) {
+ SMDS_ElemIteratorPtr it = nodesIterator();
+ for ( int i = 0; i < ind; ++i )
+ it->next();
+ if ( it->more() )
+ return static_cast<const SMDS_MeshNode*> (it->next());
}
- myNormals->SetValue(rank, gp_Dir(V));
+ return 0;
}
-//=======================================================================
-//function : GetNormal
-//purpose :
-//=======================================================================
+bool SMDS_MeshElement::IsQuadratic() const
+{
+ return false;
+}
-gp_Dir SMDS_MeshElement::GetNormal(const Standard_Integer rank)
+bool SMDS_MeshElement::IsMediumNode(const SMDS_MeshNode* node) const
{
- if (myNormals.IsNull()) {
- myNormals = new TColgp_HArray1OfDir(1,NbNodes());
- }
- return myNormals->Value(rank);
+ return false;
}
-//=======================================================================
-//function : Print
-//purpose :
-//=======================================================================
+//================================================================================
+/*!
+ * \brief Return number of nodes excluding medium ones
+ */
+//================================================================================
-void SMDS_MeshElement::Print(Standard_OStream& OS) const
+int SMDS_MeshElement::NbCornerNodes() const
{
- OS << "dump of mesh element" << endl;
+ return IsQuadratic() ? NbNodes() - NbEdges() : NbNodes();
}
+//================================================================================
+ /*!
+ * \brief Check if a node belongs to the element
+ * \param node - the node to check
+ * \retval int - node index within the element, -1 if not found
+ */
+//================================================================================
-Standard_OStream& operator << (Standard_OStream& OS
- ,const Handle(SMDS_MeshElement)& ME)
+int SMDS_MeshElement::GetNodeIndex( const SMDS_MeshNode* node ) const
{
- ME->Print(OS);
- return OS;
+ SMDS_ElemIteratorPtr nIt = nodesIterator();
+ for ( int i = 0; nIt->more(); ++i )
+ if ( nIt->next() == node )
+ return i;
+ return -1;
}
