vtkCellIntegrator.h

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

#include "vtkObject.h"
#include "vtkPVVTKExtensionsFiltersGeneralModule.h" //needed for exports

class vtkDataSet;
class vtkIdList;

class VTKPVVTKEXTENSIONSFILTERSGENERAL_EXPORT vtkCellIntegrator : public vtkObject
{
public:
  vtkTypeMacro(vtkCellIntegrator, vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  static double Integrate(vtkDataSet* input, vtkIdType cellId);

protected:
  vtkCellIntegrator() = default;
  ~vtkCellIntegrator() override = default;

private:
  static double IntegratePolyLine(vtkDataSet* input, vtkIdType cellId, vtkIdList* ptIds);
  static double IntegrateTriangleStrip(vtkDataSet* input, vtkIdType cellId, vtkIdList* ptIds);
  static double IntegratePolygon(vtkDataSet* input, vtkIdType cellId, vtkIdList* ptIds);
  static double IntegratePixel(vtkDataSet* input, vtkIdType cellId, vtkIdList* cellPtIds);
  static double IntegrateTriangle(
    vtkDataSet* input, vtkIdType cellId, vtkIdType pt1Id, vtkIdType pt2Id, vtkIdType pt3Id);
  static double IntegrateTetrahedron(vtkDataSet* input, vtkIdType cellId, vtkIdType pt1Id,
    vtkIdType pt2Id, vtkIdType pt3Id, vtkIdType pt4Id);
  static double IntegrateVoxel(vtkDataSet* input, vtkIdType cellId, vtkIdList* cellPtIds);
  static double IntegrateGeneral1DCell(vtkDataSet* input, vtkIdType cellId, vtkIdList* ptIds);
  static double IntegrateGeneral2DCell(vtkDataSet* input, vtkIdType cellId, vtkIdList* ptIds);
  static double IntegrateGeneral3DCell(vtkDataSet* input, vtkIdType cellId, vtkIdList* ptIds);

  vtkCellIntegrator(const vtkCellIntegrator&) = delete;
  void operator=(const vtkCellIntegrator&) = delete;
};

#endif