vtkHyperTreeGridContour.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkHyperTreeGridContour_h
#define vtkHyperTreeGridContour_h

#include "vtkCellArray.h"              // For vtkCellArray
#include "vtkContourValues.h"          // Needed for inline methods
#include "vtkFiltersHyperTreeModule.h" // For export macro
#include "vtkHyperTreeGridAlgorithm.h"
#include "vtkNew.h"       // For vtkNew
#include "vtkPointData.h" // For vtkPointData

#include <vector> // For STL

VTK_ABI_NAMESPACE_BEGIN
class vtkBitArray;
class vtkCellData;
class vtkContourHelper;
class vtkDataArray;
class vtkHyperTreeGrid;
class vtkIdList;
class vtkIncrementalPointLocator;
class vtkLine;
class vtkPixel;
class vtkUnsignedCharArray;
class vtkVoxel;
class vtkHyperTreeGridNonOrientedCursor;
class vtkHyperTreeGridNonOrientedMooreSuperCursor;

class VTKFILTERSHYPERTREE_EXPORT vtkHyperTreeGridContour : public vtkHyperTreeGridAlgorithm
{
public:
  static vtkHyperTreeGridContour* New();
  vtkTypeMacro(vtkHyperTreeGridContour, vtkHyperTreeGridAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;


  void SetLocator(vtkIncrementalPointLocator*);
  vtkGetObjectMacro(Locator, vtkIncrementalPointLocator);

  void CreateDefaultLocator();

  vtkMTimeType GetMTime() override;


  void SetValue(int, double);
  double GetValue(int);
  double* GetValues();
  void GetValues(double*);
  void SetNumberOfContours(int);
  vtkIdType GetNumberOfContours();
  void GenerateValues(int, double[2]);
  void GenerateValues(int, double, double);

  enum CellStrategy3D
  {
    USE_VOXELS,
    USE_DECOMPOSED_POLYHEDRA
  };
  vtkSetClampMacro(Strategy3D, int, USE_VOXELS, USE_DECOMPOSED_POLYHEDRA);


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

protected:
  vtkHyperTreeGridContour();
  ~vtkHyperTreeGridContour() override;

  int FillOutputPortInformation(int, vtkInformation*) override;

  int ProcessTrees(vtkHyperTreeGrid*, vtkDataObject*) override;

  bool RecursivelyPreProcessTree(vtkHyperTreeGridNonOrientedCursor*);

  void RecursivelyProcessTree(vtkHyperTreeGridNonOrientedMooreSuperCursor*, vtkCellArray* verts,
    vtkCellArray* lines, vtkCellArray* polys, vtkPointData* dualPointData);

  vtkContourValues* ContourValues;

  vtkBitArray* SelectedCells;

  vtkBitArray** CellSigns;

  vtkIncrementalPointLocator* Locator;


  vtkContourHelper* Helper;
  vtkDataArray* CellScalars;
  vtkLine* Line;
  vtkPixel* Pixel;
  vtkVoxel* Voxel;
  vtkIdList* Leaves;

  std::vector<bool> Signs;

  vtkIdType CurrentId;

  vtkDataArray* InScalars;

  vtkBitArray* InMask;
  vtkUnsignedCharArray* InGhostArray;

  // Strategy used to represent dual cells in 3D
  int Strategy3D = USE_VOXELS;

private:
  vtkHyperTreeGridContour(const vtkHyperTreeGridContour&) = delete;
  void operator=(const vtkHyperTreeGridContour&) = delete;

  // Use implicit arrays to store contour values
  bool UseImplicitArrays = false;

  struct vtkInternals;
  std::unique_ptr<vtkInternals> Internals;
};

inline void vtkHyperTreeGridContour::SetValue(int i, double value)
{
  this->ContourValues->SetValue(i, value);
}

inline double vtkHyperTreeGridContour::GetValue(int i)
{
  return this->ContourValues->GetValue(i);
}

inline double* vtkHyperTreeGridContour::GetValues()
{
  return this->ContourValues->GetValues();
}

inline void vtkHyperTreeGridContour::GetValues(double* contourValues)
{
  this->ContourValues->GetValues(contourValues);
}

inline void vtkHyperTreeGridContour::SetNumberOfContours(int number)
{
  this->ContourValues->SetNumberOfContours(number);
}

inline vtkIdType vtkHyperTreeGridContour::GetNumberOfContours()
{
  return this->ContourValues->GetNumberOfContours();
}

inline void vtkHyperTreeGridContour::GenerateValues(int numContours, double range[2])
{
  this->ContourValues->GenerateValues(numContours, range);
}

inline void vtkHyperTreeGridContour::GenerateValues(
  int numContours, double rangeStart, double rangeEnd)
{
  this->ContourValues->GenerateValues(numContours, rangeStart, rangeEnd);
}

VTK_ABI_NAMESPACE_END
#endif // vtkHyperTreeGridContour_h