smesh/src/SMDS/SMDS_PolygonalFaceOfNodes.cxx

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2010-05-14 21:32:37 +06:00
// Copyright (C) 2007-2010 CEA/DEN, EDF R&D, OPEN CASCADE
2009-02-17 10:27:49 +05:00
//
// 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
//
2010-05-14 21:32:37 +06:00
// SMESH SMDS : implementaion of Salome mesh data structure
//
#ifdef _MSC_VER
#pragma warning(disable:4786)
#endif
#include "SMDS_PolygonalFaceOfNodes.hxx"
#include "SMDS_IteratorOfElements.hxx"
#include "SMDS_SetIterator.hxx"
#include "SMDS_Mesh.hxx"
#include "utilities.h"
using namespace std;
//=======================================================================
//function : Constructor
//purpose :
//=======================================================================
SMDS_PolygonalFaceOfNodes::SMDS_PolygonalFaceOfNodes
(std::vector<const SMDS_MeshNode *> nodes)
{
//MESSAGE("******************************************** SMDS_PolygonalFaceOfNodes");
myNodes = nodes;
}
//=======================================================================
//function : GetType
//purpose :
//=======================================================================
SMDSAbs_ElementType SMDS_PolygonalFaceOfNodes::GetType() const
{
return SMDSAbs_Face;
//return SMDSAbs_PolygonalFace;
}
//=======================================================================
//function : ChangeNodes
//purpose :
//=======================================================================
bool SMDS_PolygonalFaceOfNodes::ChangeNodes (std::vector<const SMDS_MeshNode *> nodes)
{
if (nodes.size() < 3)
return false;
myNodes = nodes;
return true;
}
//=======================================================================
//function : ChangeNodes
//purpose : to support the same interface, as SMDS_FaceOfNodes
//=======================================================================
bool SMDS_PolygonalFaceOfNodes::ChangeNodes (const SMDS_MeshNode* nodes[],
const int nbNodes)
{
if (nbNodes < 3)
return false;
myNodes.resize(nbNodes);
int i = 0;
for (; i < nbNodes; i++) {
myNodes[i] = nodes[i];
}
return true;
}
//=======================================================================
//function : NbNodes
//purpose :
//=======================================================================
int SMDS_PolygonalFaceOfNodes::NbNodes() const
{
return myNodes.size();
}
//=======================================================================
//function : NbEdges
//purpose :
//=======================================================================
int SMDS_PolygonalFaceOfNodes::NbEdges() const
{
return NbNodes();
}
//=======================================================================
//function : NbFaces
//purpose :
//=======================================================================
int SMDS_PolygonalFaceOfNodes::NbFaces() const
{
return 1;
}
//=======================================================================
//function : Print
//purpose :
//=======================================================================
void SMDS_PolygonalFaceOfNodes::Print(ostream & OS) const
{
OS << "polygonal face <" << GetID() << " > : ";
int i, nbNodes = myNodes.size();
for (i = 0; i < nbNodes - 1; i++)
OS << myNodes[i] << ",";
OS << myNodes[i] << ") " << endl;
}
//=======================================================================
//function : elementsIterator
//purpose :
//=======================================================================
class SMDS_PolygonalFaceOfNodes_MyIterator:public SMDS_NodeVectorElemIterator
{
public:
SMDS_PolygonalFaceOfNodes_MyIterator(const vector<const SMDS_MeshNode *>& s):
SMDS_NodeVectorElemIterator( s.begin(), s.end() ) {}
};
/// ===================================================================
/*!
* \brief Iterator on edges of face
*/
/// ===================================================================
class _MyEdgeIterator : public SMDS_ElemIterator
{
vector< const SMDS_MeshElement* > myElems;
int myIndex;
public:
_MyEdgeIterator(const SMDS_MeshFace* face):myIndex(0) {
myElems.reserve( face->NbNodes() );
for ( int i = 0; i < face->NbNodes(); ++i ) {
const SMDS_MeshElement* edge =
SMDS_Mesh::FindEdge( face->GetNode( i ), face->GetNodeWrap( i + 1 ));
if ( edge )
myElems.push_back( edge );
}
}
/// 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++ ]; }
};
SMDS_ElemIteratorPtr SMDS_PolygonalFaceOfNodes::elementsIterator
(SMDSAbs_ElementType type) const
{
switch(type)
{
case SMDSAbs_Face:
return SMDS_MeshElement::elementsIterator(SMDSAbs_Face);
case SMDSAbs_Node:
return SMDS_ElemIteratorPtr(new SMDS_PolygonalFaceOfNodes_MyIterator(myNodes));
case SMDSAbs_Edge:
return SMDS_ElemIteratorPtr(new _MyEdgeIterator( this ));
break;
default:
return SMDS_ElemIteratorPtr
(new SMDS_IteratorOfElements
(this,type,SMDS_ElemIteratorPtr
(new SMDS_PolygonalFaceOfNodes_MyIterator(myNodes))));
}
return SMDS_ElemIteratorPtr();
}
/*!
* \brief Return node by its index
* \param ind - node index
* \retval const SMDS_MeshNode* - the node
*/
const SMDS_MeshNode* SMDS_PolygonalFaceOfNodes::GetNode(const int ind) const
{
return myNodes[ WrappedIndex( ind )];
}