vtkDataSetTriangleFilter.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkDataSetTriangleFilter.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 vtkDataSetTriangleFilter_h
#define vtkDataSetTriangleFilter_h

#include "vtkFiltersGeneralModule.h" // For export macro
#include "vtkUnstructuredGridAlgorithm.h"

class vtkOrderedTriangulator;

class VTKFILTERSGENERAL_EXPORT vtkDataSetTriangleFilter : public vtkUnstructuredGridAlgorithm
{
public:
  static vtkDataSetTriangleFilter *New();
  vtkTypeMacro(vtkDataSetTriangleFilter,vtkUnstructuredGridAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;


  vtkSetMacro(TetrahedraOnly, vtkTypeBool);
  vtkGetMacro(TetrahedraOnly, vtkTypeBool);
  vtkBooleanMacro(TetrahedraOnly, vtkTypeBool);

protected:
  vtkDataSetTriangleFilter();
  ~vtkDataSetTriangleFilter() override;

  // Usual data generation method
  int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *) override;

  int FillInputPortInformation(int port, vtkInformation *info) override;

  // Used to triangulate 3D cells
  vtkOrderedTriangulator *Triangulator;

  // Different execute methods depending on whether input is structured or not
  void StructuredExecute(vtkDataSet *, vtkUnstructuredGrid *);
  void UnstructuredExecute(vtkDataSet *, vtkUnstructuredGrid *);

  vtkTypeBool TetrahedraOnly;

private:
  vtkDataSetTriangleFilter(const vtkDataSetTriangleFilter&) = delete;
  void operator=(const vtkDataSetTriangleFilter&) = delete;
};

#endif