vtkVolumeRepresentationPreprocessor.h

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// SPDX-FileCopyrightText: Copyright (c) Kitware Inc.
// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkVolumeRepresentationPreprocessor_h
#define vtkVolumeRepresentationPreprocessor_h
 
#include "vtkNew.h"                                   // for vtkNew
#include "vtkPVVTKExtensionsFiltersRenderingModule.h" // needed for export macro
#include "vtkSmartPointer.h"                          // for vtkSmartPointer
#include "vtkUnstructuredGridAlgorithm.h"
 
class vtkCompositeDataSet;
class vtkExtractBlockUsingDataAssembly;
 
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);
 
 
  bool AddSelector(const char* selector);
  void SetSelector(const char* selector);
  void ClearSelectors();
  void SetAssemblyName(const char*);
 
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;
 
private:
  vtkVolumeRepresentationPreprocessor(const vtkVolumeRepresentationPreprocessor&) = delete;
  void operator=(const vtkVolumeRepresentationPreprocessor&) = delete;
 
  vtkNew<vtkExtractBlockUsingDataAssembly> Extractor;
};
 
#endif