vtkExtractGeometry.h

Go to the documentation of this file.

// 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