vtkExtractGeometry.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
 
#ifndef vtkExtractGeometry_h
#define vtkExtractGeometry_h
 
#include "vtkFiltersExtractionModule.h" // For export macro
#include "vtkNew.h"                     // for vtkNew
#include "vtkUnstructuredGridAlgorithm.h"
 
VTK_ABI_NAMESPACE_BEGIN
 
class vtkDataObjectMeshCache;
class vtkDataObjectTree;
class vtkImplicitFunction;
 
class VTKFILTERSEXTRACTION_EXPORT vtkExtractGeometry : public vtkUnstructuredGridAlgorithm
{
public:
  vtkTypeMacro(vtkExtractGeometry, vtkUnstructuredGridAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  static vtkExtractGeometry* New();

  vtkMTimeType GetMTime() override;


  virtual void SetImplicitFunction(vtkImplicitFunction*);
  vtkGetObjectMacro(ImplicitFunction, vtkImplicitFunction);


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


  vtkSetMacro(ExtractBoundaryCells, vtkTypeBool);
  vtkGetMacro(ExtractBoundaryCells, vtkTypeBool);
  vtkBooleanMacro(ExtractBoundaryCells, vtkTypeBool);
  vtkSetMacro(ExtractOnlyBoundaryCells, vtkTypeBool);
  vtkGetMacro(ExtractOnlyBoundaryCells, vtkTypeBool);
  vtkBooleanMacro(ExtractOnlyBoundaryCells, vtkTypeBool);
 
protected:
  vtkExtractGeometry(vtkImplicitFunction* f = nullptr);
  ~vtkExtractGeometry() override;
 
  // Usual data generation method
  int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
 
  int RequestDataObject(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
 
  int FillInputPortInformation(int port, vtkInformation* info) override;
 
  int FillOutputPortInformation(int port, vtkInformation* info) override;
 
  vtkImplicitFunction* ImplicitFunction;
  vtkTypeBool ExtractInside;
  vtkTypeBool ExtractBoundaryCells;
  vtkTypeBool ExtractOnlyBoundaryCells;
 
private:
  vtkExtractGeometry(const vtkExtractGeometry&) = delete;
  void operator=(const vtkExtractGeometry&) = delete;

  void InitializeOutput(vtkDataObjectTree* input, vtkDataObjectTree* output);

  int ExtractLeaf(vtkInformation* request, vtkInformationVector** inputVector,
    vtkInformationVector* outputVector);

  vtkSmartPointer<vtkInformationVector> DuplicateInfoForLeaf(
    vtkInformationVector* inputInfo, vtkDataObject* leaf);
 
  vtkNew<vtkDataObjectMeshCache> MeshCache;
};
 
VTK_ABI_NAMESPACE_END
#endif