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/*=========================================================================
Program: Visualization Toolkit
Module: vtkCellIterator.cxx
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
#include "vtkCellIterator.h"
#include "vtkGenericCell.h"
#include "vtkIdList.h"
#include "vtkNew.h"
#include "vtkPoints.h"
//------------------------------------------------------------------------------
void vtkCellIterator::PrintSelf(ostream &os, vtkIndent indent)
{
os << indent << "CacheFlags: ";
switch (this->CacheFlags)
{
case UninitializedFlag:
os << "UninitializedFlag" << endl;
break;
default:
{
bool addSplit = false;
if (this->CheckCache(CellTypeFlag))
{
os << "CellTypeFlag";
addSplit = true;
}
if (this->CheckCache(PointIdsFlag))
{
os << (addSplit ? " | " : "") << "PointIdsFlag";
addSplit = true;
}
if (this->CheckCache(PointsFlag))
{
os << (addSplit ? " | " : "") << "PointsFlag";
addSplit = true;
}
if (this->CheckCache(FacesFlag))
{
os << (addSplit ? " | " : "") << "FacesFlag";
}
os << endl;
}
}
os << indent << "CellType: " << this->CellType << endl;
os << indent << "Points:" << endl;
this->Points->PrintSelf(os, indent.GetNextIndent());
os << indent << "PointIds:" << endl;
this->PointIds->PrintSelf(os, indent.GetNextIndent());
os << indent << "Faces:" << endl;
this->Faces->PrintSelf(os, indent.GetNextIndent());
}
//------------------------------------------------------------------------------
int vtkCellIterator::GetCellDimension()
{
// For the most common cell types, this is a fast call. If the cell type is
// more exotic, then the cell must be grabbed and queried directly, which is
// slow.
int cellType = this->GetCellType();
switch (cellType)
{
case VTK_EMPTY_CELL:
case VTK_VERTEX:
case VTK_POLY_VERTEX:
return 0;
case VTK_LINE:
case VTK_POLY_LINE:
case VTK_QUADRATIC_EDGE:
case VTK_CUBIC_LINE:
return 1;
case VTK_TRIANGLE:
case VTK_QUAD:
case VTK_PIXEL:
case VTK_POLYGON:
case VTK_TRIANGLE_STRIP:
case VTK_QUADRATIC_TRIANGLE:
case VTK_QUADRATIC_QUAD:
case VTK_QUADRATIC_POLYGON:
return 2;
case VTK_TETRA:
case VTK_VOXEL:
case VTK_HEXAHEDRON:
case VTK_WEDGE:
case VTK_PYRAMID:
case VTK_PENTAGONAL_PRISM:
case VTK_HEXAGONAL_PRISM:
case VTK_QUADRATIC_TETRA:
case VTK_QUADRATIC_HEXAHEDRON:
case VTK_QUADRATIC_WEDGE:
case VTK_QUADRATIC_PYRAMID:
return 3;
default:
vtkNew<vtkGenericCell> cell;
this->GetCell(cell.GetPointer());
return cell->GetCellDimension();
}
}
//------------------------------------------------------------------------------
void vtkCellIterator::GetCell(vtkGenericCell *cell)
{
cell->SetCellType(this->GetCellType());
cell->SetPointIds(this->GetPointIds());
cell->SetPoints(this->GetPoints());
if (cell->RequiresExplicitFaceRepresentation())
{
vtkIdList *faces = this->GetFaces();
if (faces->GetNumberOfIds() != 0)
{
cell->SetFaces(faces->GetPointer(0));
}
}
if (cell->RequiresInitialization())
{
cell->Initialize();
}
}
//------------------------------------------------------------------------------
vtkCellIterator::vtkCellIterator()
: CellType(VTK_EMPTY_CELL),
CacheFlags(UninitializedFlag)
{
this->Points = this->PointsContainer.GetPointer();
this->PointIds = this->PointIdsContainer.GetPointer();
this->Faces = this->FacesContainer.GetPointer();
}
//------------------------------------------------------------------------------
vtkCellIterator::~vtkCellIterator()
{
}
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