vtkExtractCellsByType.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkExtractCellsByType.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 vtkExtractCellsByType_h
#define vtkExtractCellsByType_h
 
#include "vtkDataSetAlgorithm.h"
#include "vtkFiltersExtractionModule.h" // For export macro
 
struct vtkCellTypeSet;
class vtkIdTypeArray;
 
class VTKFILTERSEXTRACTION_EXPORT vtkExtractCellsByType : public vtkDataSetAlgorithm
{
public:
 
  static vtkExtractCellsByType* New();
  vtkTypeMacro(vtkExtractCellsByType, vtkDataSetAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
 
  void AddCellType(unsigned int type);
  void AddAllCellTypes();
  void RemoveCellType(unsigned int type);
  void RemoveAllCellTypes();
  bool ExtractCellType(unsigned int type);
 
protected:
  int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
  int FillInputPortInformation(int port, vtkInformation* info) override;
 
  void ExtractUnstructuredData(vtkDataSet* input, vtkDataSet* output);
  void ExtractPolyDataCells(
    vtkDataSet* input, vtkDataSet* output, vtkIdType* ptMap, vtkIdType& numNewPts);
  void ExtractUnstructuredGridCells(
    vtkDataSet* input, vtkDataSet* output, vtkIdType* ptMap, vtkIdType& numNewPts);
 
  vtkExtractCellsByType();
  ~vtkExtractCellsByType() override;
 
private:
  vtkExtractCellsByType(const vtkExtractCellsByType&) = delete;
  void operator=(const vtkExtractCellsByType&) = delete;
 
  vtkCellTypeSet* CellTypes;
};
 
#endif