vtkQuadraticPyramid.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
 
#ifndef vtkQuadraticPyramid_h
#define vtkQuadraticPyramid_h
 
#include "vtkCommonDataModelModule.h" // For export macro
#include "vtkNonLinearCell.h"
 
VTK_ABI_NAMESPACE_BEGIN
class vtkQuadraticEdge;
class vtkQuadraticQuad;
class vtkQuadraticTriangle;
class vtkTetra;
class vtkPyramid;
class vtkDoubleArray;
 
class VTKCOMMONDATAMODEL_EXPORT vtkQuadraticPyramid : public vtkNonLinearCell
{
public:
  static vtkQuadraticPyramid* New();
  vtkTypeMacro(vtkQuadraticPyramid, vtkNonLinearCell);
  void PrintSelf(ostream& os, vtkIndent indent) override;


  int GetCellType() override { return VTK_QUADRATIC_PYRAMID; }
  int GetCellDimension() override { return 3; }
  int GetNumberOfEdges() override { return 8; }
  int GetNumberOfFaces() override { return 5; }
  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 TriangulateLocalIds(int index, vtkIdList* ptIds) override;
  void Derivatives(
    int subId, const double pcoords[3], const double* values, int dim, double* derivs) override;
  double* GetParametricCoords() override;

  void Clip(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
    vtkCellArray* tets, vtkPointData* inPd, vtkPointData* outPd, vtkCellData* inCd,
    vtkIdType cellId, vtkCellData* outCd, int insideOut) 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 GetParametricCenter(double pcoords[3]) override;
 
  static void InterpolationFunctions(const double pcoords[3], double weights[13]);
  static void InterpolationDerivs(const double pcoords[3], double derivs[39]);

  void InterpolateFunctions(const double pcoords[3], double weights[13]) override
  {
    vtkQuadraticPyramid::InterpolationFunctions(pcoords, weights);
  }
  void InterpolateDerivs(const double pcoords[3], double derivs[39]) override
  {
    vtkQuadraticPyramid::InterpolationDerivs(pcoords, derivs);
  }


  static const vtkIdType* GetEdgeArray(vtkIdType edgeId);
  static const vtkIdType* GetFaceArray(vtkIdType faceId);

  void JacobianInverse(const double pcoords[3], double** inverse, double derivs[39]);
 
protected:
  vtkQuadraticPyramid();
  ~vtkQuadraticPyramid() override;
 
  vtkQuadraticEdge* Edge;
  vtkQuadraticTriangle* TriangleFace;
  vtkQuadraticQuad* Face;
  vtkTetra* Tetra;
  vtkPyramid* Pyramid;
  vtkPointData* PointData;
  vtkCellData* CellData;
  vtkDoubleArray* CellScalars;
  vtkDoubleArray* Scalars; // used to avoid New/Delete in contouring/clipping


  void Subdivide(
    vtkPointData* inPd, vtkCellData* inCd, vtkIdType cellId, vtkDataArray* cellScalars);

  void ResizeArrays(vtkIdType newSize);
 
private:
  vtkQuadraticPyramid(const vtkQuadraticPyramid&) = delete;
  void operator=(const vtkQuadraticPyramid&) = delete;
};
//----------------------------------------------------------------------------
// Return the center of the quadratic pyramid in parametric coordinates.
//
inline int vtkQuadraticPyramid::GetParametricCenter(double pcoords[3])
{
  pcoords[0] = pcoords[1] = 6.0 / 13.0;
  pcoords[2] = 3.0 / 13.0;
  return 0;
}
 
VTK_ABI_NAMESPACE_END
#endif