vtkCell3D.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
 
#ifndef vtkCell3D_h
#define vtkCell3D_h
 
#include "vtkCell.h"
#include "vtkCommonDataModelModule.h" // For export macro
 
VTK_ABI_NAMESPACE_BEGIN
class vtkOrderedTriangulator;
class vtkTetra;
class vtkCellArray;
class vtkDoubleArray;
 
class VTKCOMMONDATAMODEL_EXPORT vtkCell3D : public vtkCell
{
public:
  vtkTypeMacro(vtkCell3D, vtkCell);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  virtual void GetEdgePoints(vtkIdType edgeId, const vtkIdType*& pts) VTK_SIZEHINT(pts, 2)
    VTK_EXPECTS(0 <= edgeId && edgeId < GetNumberOfEdges()) = 0;

  virtual vtkIdType GetFacePoints(vtkIdType faceId, const vtkIdType*& pts) VTK_SIZEHINT(pts, _)
    VTK_EXPECTS(0 <= faceId && faceId < GetNumberOfFaces()) = 0;

  virtual void GetEdgeToAdjacentFaces(vtkIdType edgeId, const vtkIdType*& faceIds)
    VTK_SIZEHINT(faceIds, 2) VTK_EXPECTS(0 <= edgeId && edgeId < GetNumberOfEdges()) = 0;

  virtual vtkIdType GetFaceToAdjacentFaces(vtkIdType faceId, const vtkIdType*& faceIds)
    VTK_SIZEHINT(faceIds, _) VTK_EXPECTS(0 <= faceId && faceId < GetNumberOfFaces()) = 0;

  virtual vtkIdType GetPointToIncidentEdges(vtkIdType pointId, const vtkIdType*& edgeIds)
    VTK_SIZEHINT(edgeIds, _) VTK_EXPECTS(0 <= pointId && pointId < GetNumberOfPoints()) = 0;

  virtual vtkIdType GetPointToIncidentFaces(vtkIdType pointId, const vtkIdType*& faceIds)
    VTK_SIZEHINT(faceIds, _) VTK_EXPECTS(0 <= pointId && pointId < GetNumberOfPoints()) = 0;

  virtual vtkIdType GetPointToOneRingPoints(vtkIdType pointId, const vtkIdType*& pts)
    VTK_SIZEHINT(pts, _) VTK_EXPECTS(0 <= pointId && pointId < GetNumberOfPoints()) = 0;

  virtual bool IsInsideOut();

  virtual bool GetCentroid(double centroid[3]) const = 0;
 
  void Contour(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
    vtkCellArray* verts, vtkCellArray* lines, vtkCellArray* polys, vtkPointData* inPd,
    vtkPointData* outPd, vtkCellData* inCd, vtkIdType cellId, vtkCellData* outCd) override;

  void Clip(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
    vtkCellArray* connectivity, vtkPointData* inPd, vtkPointData* outPd, vtkCellData* inCd,
    vtkIdType cellId, vtkCellData* outCd, int insideOut) override;

  int GetCellDimension() override { return 3; }

  int Inflate(double dist) override;


  vtkSetClampMacro(MergeTolerance, double, 0.0001, 0.25);
  vtkGetMacro(MergeTolerance, double);
 
protected:
  vtkCell3D();
  ~vtkCell3D() override = default;
 
  vtkSmartPointer<vtkOrderedTriangulator> Triangulator;
  double MergeTolerance;
 
  // used to support clipping
  vtkSmartPointer<vtkTetra> ClipTetra;
  vtkSmartPointer<vtkDoubleArray> ClipScalars;
 
private:
  vtkCell3D(const vtkCell3D&) = delete;
  void operator=(const vtkCell3D&) = delete;
};
 
VTK_ABI_NAMESPACE_END
#endif