vtkVolumeRepresentationPreprocessor.h

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

  Program:   Visualization Toolkit
  Module:    vtkVolumeRepresentationPreprocessor.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 vtkVolumeRepresentationPreprocessor_h
#define vtkVolumeRepresentationPreprocessor_h

#include "vtkPVVTKExtensionsFiltersRenderingModule.h" // needed for export macro
#include "vtkSmartPointer.h"                          // for vtkSmartPointer
#include "vtkUnstructuredGridAlgorithm.h"

class vtkCompositeDataSet;
class vtkExtractBlock;

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


  vtkSetMacro(TetrahedraOnly, int);
  vtkGetMacro(TetrahedraOnly, int);


  vtkSetMacro(ExtractedBlockIndex, unsigned int);
  vtkGetMacro(ExtractedBlockIndex, unsigned int);

protected:
  vtkVolumeRepresentationPreprocessor();
  ~vtkVolumeRepresentationPreprocessor() override;

  vtkSmartPointer<vtkUnstructuredGrid> Tetrahedralize(vtkDataObject*);
  vtkSmartPointer<vtkDataSet> ExtractDataSet(vtkCompositeDataSet*);

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

  int TetrahedraOnly;
  unsigned int ExtractedBlockIndex;

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

#endif