vtkCellSizeFilter.h

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

#include "vtkFiltersVerdictModule.h" // For export macro
#include "vtkNew.h"                  //For vtkNew
#include "vtkPassInputTypeAlgorithm.h"

VTK_ABI_NAMESPACE_BEGIN
class vtkDataSet;
class vtkDoubleArray;
class vtkIdList;
class vtkImageData;
class vtkPointSet;
class vtkTetra;

class VTKFILTERSVERDICT_EXPORT vtkCellSizeFilter : public vtkPassInputTypeAlgorithm
{
public:
  vtkTypeMacro(vtkCellSizeFilter, vtkPassInputTypeAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;
  static vtkCellSizeFilter* New();


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


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


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


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


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


  vtkSetStringMacro(VertexCountArrayName);
  vtkGetStringMacro(VertexCountArrayName);
  vtkSetStringMacro(LengthArrayName);
  vtkGetStringMacro(LengthArrayName);
  vtkSetStringMacro(AreaArrayName);
  vtkGetStringMacro(AreaArrayName);
  vtkSetStringMacro(VolumeArrayName);
  vtkGetStringMacro(VolumeArrayName);

protected:
  vtkCellSizeFilter();
  ~vtkCellSizeFilter() override;

  int RequestData(vtkInformation* request, vtkInformationVector** inputVector,
    vtkInformationVector* outputVector) override;
  bool ComputeDataSet(vtkDataSet* input, vtkDataSet* output, double sum[4]);

  void IntegrateImageData(vtkImageData* input, vtkImageData* output, double sum[4]);
  void ExecuteBlock(vtkDataSet* input, vtkDataSet* output, double sum[4]);


  double IntegratePolyLine(vtkDataSet* input, vtkIdList* cellPtIds);
  double IntegratePolygon(vtkPointSet* input, vtkIdList* cellPtIds);
  double IntegrateTriangleStrip(vtkPointSet* input, vtkIdList* cellPtIds);
  double IntegratePixel(vtkDataSet* input, vtkIdList* cellPtIds);
  double IntegrateVoxel(vtkDataSet* input, vtkIdList* cellPtIds);
  double IntegrateGeneral1DCell(vtkDataSet* input, vtkIdList* cellPtIds);
  double IntegrateGeneral2DCell(vtkPointSet* input, vtkIdList* cellPtIds);
  double IntegrateGeneral3DCell(vtkPointSet* input, vtkIdList* cellPtIds);


  void AddSumFieldData(vtkDataObject*, double sum[4]);


  virtual void ComputeGlobalSum(double sum[4]) { (void)sum; }

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

  bool ComputeVertexCount;
  bool ComputeLength;
  bool ComputeArea;
  bool ComputeVolume;
  bool ComputeSum;

  char* VertexCountArrayName;
  char* LengthArrayName;
  char* AreaArrayName;
  char* VolumeArrayName;
  vtkNew<vtkTetra> LocalTetCell;
};

VTK_ABI_NAMESPACE_END
#endif