vtkVoxel.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkVoxel_h
#define vtkVoxel_h
 
#include "vtkCell3D.h"
#include "vtkCommonDataModelModule.h" // For export macro
 
VTK_ABI_NAMESPACE_BEGIN
class vtkLine;
class vtkPixel;
class vtkIncrementalPointLocator;
 
class VTKCOMMONDATAMODEL_EXPORT vtkVoxel : public vtkCell3D
{
public:
  static vtkVoxel* New();
  vtkTypeMacro(vtkVoxel, vtkCell3D);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
 
  void GetEdgePoints(vtkIdType edgeId, const vtkIdType*& pts) override;
  vtkIdType GetFacePoints(vtkIdType faceId, const vtkIdType*& pts) override;
  void GetEdgeToAdjacentFaces(vtkIdType edgeId, const vtkIdType*& pts) override;
  vtkIdType GetFaceToAdjacentFaces(vtkIdType faceId, const vtkIdType*& faces) override;
  vtkIdType GetPointToIncidentEdges(vtkIdType pointId, const vtkIdType*& edges) override;
  vtkIdType GetPointToIncidentFaces(vtkIdType pointId, const vtkIdType*& faces) override;
  vtkIdType GetPointToOneRingPoints(vtkIdType pointId, const vtkIdType*& pts) override;
  double* GetParametricCoords() override;
  bool GetCentroid(double centroid[3]) const override;
  bool IsInsideOut() override;
 
  double ComputeBoundingSphere(double center[3]) const override;
 
  static constexpr vtkIdType NumberOfPoints = 8;
 
  static constexpr vtkIdType NumberOfEdges = 12;
 
  static constexpr vtkIdType NumberOfFaces = 6;
 
  static constexpr vtkIdType MaximumFaceSize = 4;
 
  static constexpr vtkIdType MaximumValence = 3;
 
 
  int GetCellType() override { return VTK_VOXEL; }
  int GetCellDimension() override { return 3; }
  int GetNumberOfEdges() override { return 12; }
  int GetNumberOfFaces() override { return 6; }
  vtkCell* GetEdge(int edgeId) override;
  vtkCell* GetFace(int faceId) override;
  int CellBoundary(int subId, const double pcoords[3], vtkIdList* pts) override;
  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;
  int EvaluatePosition(const double x[3], double closestPoint[3], int& subId, double pcoords[3],
    double& dist2, double weights[]) override;
  void EvaluateLocation(int& subId, const double pcoords[3], double x[3], double* weights) override;
  int IntersectWithLine(const double p1[3], const double p2[3], double tol, double& t, double x[3],
    double pcoords[3], int& subId) override;
  int TriangulateLocalIds(int index, vtkIdList* ptIds) override;
  void Derivatives(
    int subId, const double pcoords[3], const double* values, int dim, double* derivs) override;
 
  int Inflate(double dist) override;
 
  static void InterpolationDerivs(const double pcoords[3], double derivs[24]);
 
  void InterpolateFunctions(const double pcoords[3], double weights[8]) override
  {
    vtkVoxel::InterpolationFunctions(pcoords, weights);
  }
  void InterpolateDerivs(const double pcoords[3], double derivs[24]) override
  {
    vtkVoxel::InterpolationDerivs(pcoords, derivs);
  }
 
  static void InterpolationFunctions(const double pcoords[3], double weights[8]);
 
  static int* GetTriangleCases(int caseId);
 
 
  static const vtkIdType* GetEdgeArray(vtkIdType edgeId) VTK_SIZEHINT(2);
  static const vtkIdType* GetFaceArray(vtkIdType faceId) VTK_SIZEHINT(4);
 
  static const vtkIdType* GetEdgeToAdjacentFacesArray(vtkIdType edgeId) VTK_SIZEHINT(2);
 
  static const vtkIdType* GetFaceToAdjacentFacesArray(vtkIdType faceId) VTK_SIZEHINT(4);
 
  static const vtkIdType* GetPointToIncidentEdgesArray(vtkIdType pointId) VTK_SIZEHINT(3);
 
  static const vtkIdType* GetPointToIncidentFacesArray(vtkIdType pointId) VTK_SIZEHINT(3);
 
  static const vtkIdType* GetPointToOneRingPointsArray(vtkIdType pointId) VTK_SIZEHINT(3);
 
  static bool ComputeCentroid(vtkPoints* points, const vtkIdType* pointIds, double centroid[3]);
 
protected:
  vtkVoxel();
  ~vtkVoxel() override;
 
private:
  vtkVoxel(const vtkVoxel&) = delete;
  void operator=(const vtkVoxel&) = delete;
 
  vtkLine* Line;
  vtkPixel* Pixel;
};
 
VTK_ABI_NAMESPACE_END
#endif