vtkBinnedDecimation.h

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

#include "vtkFiltersCoreModule.h" // For export macro
#include "vtkPolyDataAlgorithm.h"
#include "vtkWrappingHints.h" // For VTK_MARSHALAUTO

VTK_ABI_NAMESPACE_BEGIN
class VTKFILTERSCORE_EXPORT VTK_MARSHALAUTO vtkBinnedDecimation : public vtkPolyDataAlgorithm
{
public:

  static vtkBinnedDecimation* New();
  vtkTypeMacro(vtkBinnedDecimation, vtkPolyDataAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;


  void SetNumberOfXDivisions(int num);
  void SetNumberOfYDivisions(int num);
  void SetNumberOfZDivisions(int num);
  vtkGetMacro(NumberOfXDivisions, int);
  vtkGetMacro(NumberOfYDivisions, int);
  vtkGetMacro(NumberOfZDivisions, int);
  void SetNumberOfDivisions(int div[3]) { this->SetNumberOfDivisions(div[0], div[1], div[2]); }
  void SetNumberOfDivisions(int div0, int div1, int div2);
  int* GetNumberOfDivisions() VTK_SIZEHINT(3);
  void GetNumberOfDivisions(int div[3]);


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


  void SetDivisionOrigin(double x, double y, double z);
  void SetDivisionOrigin(double o[3]) { this->SetDivisionOrigin(o[0], o[1], o[2]); }
  vtkGetVector3Macro(DivisionOrigin, double);
  void SetDivisionSpacing(double x, double y, double z);
  void SetDivisionSpacing(double s[3]) { this->SetDivisionSpacing(s[0], s[1], s[2]); }
  vtkGetVector3Macro(DivisionSpacing, double);


  enum
  {
    INPUT_POINTS = 1,
    BIN_POINTS = 2,
    BIN_CENTERS = 3,
    BIN_AVERAGES = 4
  };
  vtkSetClampMacro(PointGenerationMode, int, INPUT_POINTS, BIN_AVERAGES);
  vtkGetMacro(PointGenerationMode, int);
  void SetPointGenerationModeToUseInputPoints() { this->SetPointGenerationMode(INPUT_POINTS); }
  void SetPointGenerationModeToBinPoints() { this->SetPointGenerationMode(BIN_POINTS); }
  void SetPointGenerationModeToBinCenters() { this->SetPointGenerationMode(BIN_CENTERS); }
  void SetPointGenerationModeToBinAverages() { this->SetPointGenerationMode(BIN_AVERAGES); }


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


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


  bool GetLargeIds() { return this->LargeIds; }

protected:
  vtkBinnedDecimation();
  ~vtkBinnedDecimation() override;

  int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
  int FillInputPortInformation(int, vtkInformation*) override;

  int NumberOfXDivisions;
  int NumberOfYDivisions;
  int NumberOfZDivisions;
  int NumberOfDivisions[3];

  // Since there are two ways of specifying the grid, we the the flag below
  // to indicate which the user has set.  When this flag is on, the bin sizes
  // are computed from the DivisionOrigin and DivisionSpacing.
  int ComputeNumberOfDivisions;

  bool AutoAdjustNumberOfDivisions;
  double DivisionOrigin[3];
  double DivisionSpacing[3];
  double Bounds[6];

  int PointGenerationMode;
  bool ProducePointData;
  bool ProduceCellData;
  bool LargeIds;

  // Helper function
  void ConfigureBinning(vtkPolyData* input, vtkIdType numPts);

private:
  vtkBinnedDecimation(const vtkBinnedDecimation&) = delete;
  void operator=(const vtkBinnedDecimation&) = delete;
};

VTK_ABI_NAMESPACE_END
#endif