vtkExtractCTHPart.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
 
#ifndef vtkExtractCTHPart_h
#define vtkExtractCTHPart_h
 
#include "vtkFiltersParallelModule.h" // For export macro
#include "vtkMultiBlockDataSetAlgorithm.h"
#include "vtkSmartPointer.h" // for using smartpointer
 
VTK_ABI_NAMESPACE_BEGIN
class vtkAppendPolyData;
class vtkContourFilter;
class vtkDataArray;
class vtkDataSet;
class vtkDataSetSurfaceFilter;
class vtkDoubleArray;
class vtkExtractCTHPartInternal;
class vtkImageData;
class vtkCompositeDataSet;
class vtkMultiProcessController;
class vtkPlane;
class vtkPolyData;
class vtkRectilinearGrid;
class vtkUniformGrid;
class vtkUnsignedCharArray;
class vtkUnstructuredGrid;
class vtkExtractCTHPartFragments;
 
// #define EXTRACT_USE_IMAGE_DATA 1
 
class VTKFILTERSPARALLEL_EXPORT vtkExtractCTHPart : public vtkMultiBlockDataSetAlgorithm
{
public:
  static vtkExtractCTHPart* New();
  vtkTypeMacro(vtkExtractCTHPart, vtkMultiBlockDataSetAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;


  void AddVolumeArrayName(const char*);
  void RemoveVolumeArrayNames();
  int GetNumberOfVolumeArrayNames();
  const char* GetVolumeArrayName(int idx);


  void SetController(vtkMultiProcessController* controller);
  vtkGetObjectMacro(Controller, vtkMultiProcessController);


  vtkSetMacro(Capping, bool);
  vtkGetMacro(Capping, bool);
  vtkBooleanMacro(Capping, bool);


  vtkSetMacro(GenerateTriangles, bool);
  vtkGetMacro(GenerateTriangles, bool);
  vtkBooleanMacro(GenerateTriangles, bool);


  vtkSetMacro(GenerateSolidGeometry, bool);
  vtkGetMacro(GenerateSolidGeometry, bool);
  vtkBooleanMacro(GenerateSolidGeometry, bool);


  vtkSetMacro(RemoveGhostCells, bool);
  vtkGetMacro(RemoveGhostCells, bool);
  vtkBooleanMacro(RemoveGhostCells, bool);


  void SetClipPlane(vtkPlane* clipPlane);
  vtkGetObjectMacro(ClipPlane, vtkPlane);

  vtkMTimeType GetMTime() override;


  vtkSetClampMacro(VolumeFractionSurfaceValue, double, 0.0, 1.0);
  vtkGetMacro(VolumeFractionSurfaceValue, double);
 
protected:
  vtkExtractCTHPart();
  ~vtkExtractCTHPart() override;
 
  int FillInputPortInformation(int port, vtkInformation* info) override;
  int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;

  bool ComputeGlobalBounds(vtkCompositeDataSet* input);

  vtkSmartPointer<vtkDataSet> ExtractContour(vtkCompositeDataSet* input, const char* arrayName);

  vtkSmartPointer<vtkDataSet> ExtractSolid(vtkCompositeDataSet* input, const char* arrayName);
 
  void ExecuteFaceQuads(vtkDataSet* input, vtkPolyData* output, int maxFlag, int originExtents[6],
    int ext[6], int aAxis, int bAxis, int cAxis);

  int IsGhostFace(int axis0, int maxFlag, int dims[3], vtkUnsignedCharArray* ghostArray);
 
  void TriggerProgressEvent(double val);
 
  int VolumeFractionType;
  double VolumeFractionSurfaceValue;
  double VolumeFractionSurfaceValueInternal;
  bool GenerateTriangles;
  bool GenerateSolidGeometry;
  bool Capping;
  bool RemoveGhostCells;
  vtkPlane* ClipPlane;
  vtkMultiProcessController* Controller;
 
private:
  vtkExtractCTHPart(const vtkExtractCTHPart&) = delete;
  void operator=(const vtkExtractCTHPart&) = delete;
 
  class VectorOfFragments;
  class VectorOfSolids;

  inline void DetermineSurfaceValue(int dataType);

  template <class T>
  bool ExtractClippedContourOnBlock(
    vtkExtractCTHPart::VectorOfFragments& fragments, T* input, const char* arrayName);

  template <class T>
  bool ExtractContourOnBlock(
    vtkExtractCTHPart::VectorOfFragments& fragments, T* input, const char* arrayName);

  template <class T>
  void ExtractExteriorSurface(vtkExtractCTHPart::VectorOfFragments& fragments, T* input);

  template <class T>
  bool ExtractClippedVolumeOnBlock(VectorOfSolids& solids, T* input, const char* arrayName);

  void ExecuteCellDataToPointData(
    vtkDataArray* cellVolumeFraction, vtkDoubleArray* pointVolumeFraction, const int* dims);
 
  double ProgressShift;
  double ProgressScale;
 
  class ScaledProgress;
  friend class ScaledProgress;
  vtkExtractCTHPartInternal* Internals;
};
VTK_ABI_NAMESPACE_END
#endif