smesh/src/SMDS/SMDS_Mesh0DElement.cxx
2013-04-01 13:05:47 +00:00

148 lines
4.1 KiB
C++

// Copyright (C) 2007-2013 CEA/DEN, EDF R&D, OPEN CASCADE
//
// 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
// File : SMDS_Mesh0DElement.cxx
// Module : SMESH
//
#ifdef _MSC_VER
#pragma warning(disable:4786)
#endif
#include "SMDS_Mesh0DElement.hxx"
#include "SMDS_IteratorOfElements.hxx"
#include "SMDS_MeshNode.hxx"
#include "utilities.h"
using namespace std;
//=======================================================================
//function : SMDS_Mesh0DElement
//purpose :
//=======================================================================
SMDS_Mesh0DElement::SMDS_Mesh0DElement (const SMDS_MeshNode * node)
{
MESSAGE("SMDS_Mesh0DElement " << GetID());
myNode = node;
}
//=======================================================================
//function : Print
//purpose :
//=======================================================================
void SMDS_Mesh0DElement::Print (ostream & OS) const
{
OS << "0D Element <" << GetID() << "> : (" << myNode << ") " << endl;
}
//=======================================================================
//function : NbNodes
//purpose :
//=======================================================================
int SMDS_Mesh0DElement::NbNodes() const
{
return 1;
}
//=======================================================================
//function : NbEdges
//purpose :
//=======================================================================
int SMDS_Mesh0DElement::NbEdges() const
{
return 0;
}
//=======================================================================
//function : GetType
//purpose :
//=======================================================================
SMDSAbs_ElementType SMDS_Mesh0DElement::GetType() const
{
return SMDSAbs_0DElement;
}
vtkIdType SMDS_Mesh0DElement::GetVtkType() const
{
return VTK_VERTEX;
}
//=======================================================================
//function : elementsIterator
//purpose :
//=======================================================================
class SMDS_Mesh0DElement_MyNodeIterator: public SMDS_ElemIterator
{
const SMDS_MeshNode * myNode;
int myIndex;
public:
SMDS_Mesh0DElement_MyNodeIterator(const SMDS_MeshNode * node):
myNode(node),myIndex(0) {}
bool more()
{
return myIndex < 1;
}
const SMDS_MeshElement* next()
{
myIndex++;
if (myIndex == 1)
return myNode;
return NULL;
}
};
SMDS_ElemIteratorPtr SMDS_Mesh0DElement::elementsIterator (SMDSAbs_ElementType type) const
{
switch(type)
{
case SMDSAbs_0DElement:
return SMDS_MeshElement::elementsIterator(SMDSAbs_0DElement);
case SMDSAbs_Node:
return SMDS_ElemIteratorPtr(new SMDS_Mesh0DElement_MyNodeIterator(myNode));
default:
return SMDS_ElemIteratorPtr
(new SMDS_IteratorOfElements
(this,type, SMDS_ElemIteratorPtr(new SMDS_Mesh0DElement_MyNodeIterator(myNode))));
}
}
/*!
* \brief Return node by its index
* \param ind - node index
* \retval const SMDS_MeshNode* - the node
*/
const SMDS_MeshNode* SMDS_Mesh0DElement::GetNode(const int ind) const
{
if (ind == 0)
return myNode;
return NULL;
}
//=======================================================================
//function : ChangeNode
//purpose :
//=======================================================================
bool SMDS_Mesh0DElement::ChangeNode (const SMDS_MeshNode * node)
{
myNode = node;
return true;
}