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/*=========================================================================
Program: Visualization Toolkit
Module: vtkDataSetCellIterator.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 "vtkDataSetCellIterator.h"
#include "vtkDataSet.h"
#include "vtkObjectFactory.h"
#include "vtkPoints.h"
#include "vtkIdList.h"
vtkStandardNewMacro(vtkDataSetCellIterator)
//------------------------------------------------------------------------------
void vtkDataSetCellIterator::PrintSelf(ostream &os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
os << indent << "DataSet: " << this->DataSet.GetPointer() << endl;
}
//------------------------------------------------------------------------------
void vtkDataSetCellIterator::SetDataSet(vtkDataSet *ds)
{
this->DataSet = ds;
this->CellId = 0;
}
//------------------------------------------------------------------------------
bool vtkDataSetCellIterator::IsDoneWithTraversal()
{
return this->DataSet.GetPointer() == NULL
|| this->CellId >= this->DataSet->GetNumberOfCells();
}
//------------------------------------------------------------------------------
vtkIdType vtkDataSetCellIterator::GetCellId()
{
return this->CellId;
}
//------------------------------------------------------------------------------
void vtkDataSetCellIterator::IncrementToNextCell()
{
++this->CellId;
}
//------------------------------------------------------------------------------
vtkDataSetCellIterator::vtkDataSetCellIterator()
: vtkCellIterator(),
DataSet(NULL),
CellId(0)
{
}
//------------------------------------------------------------------------------
vtkDataSetCellIterator::~vtkDataSetCellIterator()
{
}
//------------------------------------------------------------------------------
void vtkDataSetCellIterator::ResetToFirstCell()
{
this->CellId = 0;
}
//------------------------------------------------------------------------------
void vtkDataSetCellIterator::FetchCellType()
{
this->CellType = this->DataSet->GetCellType(this->CellId);
}
//------------------------------------------------------------------------------
void vtkDataSetCellIterator::FetchPointIds()
{
this->DataSet->GetCellPoints(this->CellId, this->PointIds);
}
//------------------------------------------------------------------------------
void vtkDataSetCellIterator::FetchPoints()
{
// This will fetch the point ids if needed:
vtkIdList *pointIds = this->GetPointIds();
vtkIdType numPoints = pointIds->GetNumberOfIds();
vtkIdType *id = pointIds->GetPointer(0);
this->Points->SetNumberOfPoints(numPoints);
double point[3];
for (int i = 0; i < numPoints; ++i)
{
this->DataSet->GetPoint(*id++, point);
this->Points->SetPoint(i, point);
}
}
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