smesh/src/SMDS/SMDS_VtkCellIterator.hxx
2020-04-15 18:19:44 +03:00

96 lines
3.3 KiB
C++

// Copyright (C) 2010-2020 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, or (at your option) any later version.
//
// 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
//
#ifndef _SMDS_VTKCELLITERATOR_HXX_
#define _SMDS_VTKCELLITERATOR_HXX_
#include "SMDS_ElemIterator.hxx"
#include "SMDS_Mesh.hxx"
#include "SMDSAbs_ElementType.hxx"
#include <vtkCell.h>
typedef std::vector< vtkIdType > TVtkIdList;
//--------------------------------------------------------------------------------
/*!
* \brief Retrieve nodes of a cell
*/
struct _GetVtkNodes
{
_GetVtkNodes( TVtkIdList& nodeIds, SMDS_Mesh* mesh, int vtkCellId, SMDSAbs_EntityType type);
};
struct _GetVtkNodesToUNV
{
_GetVtkNodesToUNV( TVtkIdList& nodeIds, SMDS_Mesh* mesh, int vtkCellId, SMDSAbs_EntityType type);
};
struct _GetVtkNodesPolyh
{
_GetVtkNodesPolyh( TVtkIdList& nodeIds, SMDS_Mesh* mesh, int vtkCellId, SMDSAbs_EntityType type);
};
//--------------------------------------------------------------------------------
/*!
* \brief Iterator on nodes of a cell
*/
template< class SMDS_ITERATOR = SMDS_ElemIterator, class GET_VTK_NODES = _GetVtkNodes >
class SMDS_VtkCellIterator: public SMDS_ITERATOR
{
public:
typedef typename SMDS_ITERATOR::value_type result_type;
SMDS_VtkCellIterator(SMDS_Mesh* mesh, int vtkCellId, SMDSAbs_EntityType aType)
: _mesh(mesh), _index(0)
{
GET_VTK_NODES getNodes( _vtkIdList, mesh, vtkCellId, aType );
}
virtual ~SMDS_VtkCellIterator() {}
virtual bool more() { return ( _index < _vtkIdList.size() ); }
virtual result_type next() {
vtkIdType id = _vtkIdList[ _index++ ];
return static_cast<result_type>( _mesh->FindNodeVtk( id ));
}
protected:
SMDS_Mesh* _mesh;
size_t _index;
TVtkIdList _vtkIdList;
};
//--------------------------------------------------------------------------------
template< class SMDS_ITERATOR = SMDS_ElemIterator >
class SMDS_VtkCellIteratorToUNV: public SMDS_VtkCellIterator< SMDS_ITERATOR, _GetVtkNodesToUNV >
{
typedef SMDS_VtkCellIterator< SMDS_ITERATOR, _GetVtkNodesToUNV > parent_t;
public:
SMDS_VtkCellIteratorToUNV(SMDS_Mesh* mesh, int vtkCellId, SMDSAbs_EntityType type):
parent_t( mesh, vtkCellId, type ) {}
};
//--------------------------------------------------------------------------------
template< class SMDS_ITERATOR = SMDS_ElemIterator >
class SMDS_VtkCellIteratorPolyH: public SMDS_VtkCellIterator< SMDS_ITERATOR, _GetVtkNodesPolyh >
{
typedef SMDS_VtkCellIterator< SMDS_ITERATOR, _GetVtkNodesPolyh > parent_t;
public:
SMDS_VtkCellIteratorPolyH(SMDS_Mesh* mesh, int vtkCellId, SMDSAbs_EntityType type):
parent_t( mesh, vtkCellId, type ) {}
};
#endif