vtkUnstructuredGridCellIterator.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkUnstructuredGridCellIterator.h
 
  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.
 
=========================================================================*/
#ifndef vtkUnstructuredGridCellIterator_h
#define vtkUnstructuredGridCellIterator_h
 
#include "vtkCellArrayIterator.h" // Accessing cell array
#include "vtkCellIterator.h"
#include "vtkCommonDataModelModule.h" // For export macro
#include "vtkSmartPointer.h"          // For vtkSmartPointer
 
class vtkCellArray;
class vtkIdTypeArray;
class vtkUnsignedCharArray;
class vtkUnstructuredGrid;
class vtkPoints;
 
class VTKCOMMONDATAMODEL_EXPORT vtkUnstructuredGridCellIterator : public vtkCellIterator
{
public:
 
  static vtkUnstructuredGridCellIterator* New();
  vtkTypeMacro(vtkUnstructuredGridCellIterator, vtkCellIterator);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
 
  bool IsDoneWithTraversal() override;
  vtkIdType GetCellId() override;
 
  void GoToCell(vtkIdType cellId) { this->Cells->GoToCell(cellId); }
 
protected:
  vtkUnstructuredGridCellIterator();
  ~vtkUnstructuredGridCellIterator() override;
 
  void ResetToFirstCell() override;
  void IncrementToNextCell() override;
  void FetchCellType() override;
  void FetchPointIds() override;
  void FetchPoints() override;
  void FetchFaces() override;
 
  friend class vtkUnstructuredGrid;
  void SetUnstructuredGrid(vtkUnstructuredGrid* ug);
 
  vtkSmartPointer<vtkCellArrayIterator> Cells;
  vtkSmartPointer<vtkUnsignedCharArray> Types;
  vtkSmartPointer<vtkIdTypeArray> FaceConn;
  vtkSmartPointer<vtkIdTypeArray> FaceLocs;
  vtkSmartPointer<vtkPoints> Coords;
 
private:
  vtkUnstructuredGridCellIterator(const vtkUnstructuredGridCellIterator&) = delete;
  void operator=(const vtkUnstructuredGridCellIterator&) = delete;
};
 
#endif // vtkUnstructuredGridCellIterator_h