vtkTriQuadraticHexahedron.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkTriQuadraticHexahedron.h

  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
#ifndef vtkTriQuadraticHexahedron_h
#define vtkTriQuadraticHexahedron_h

#include "vtkCommonDataModelModule.h" // For export macro
#include "vtkNonLinearCell.h"

class vtkQuadraticEdge;
class vtkBiQuadraticQuad;
class vtkHexahedron;
class vtkDoubleArray;

class VTKCOMMONDATAMODEL_EXPORT vtkTriQuadraticHexahedron : public vtkNonLinearCell
{
public:
  static vtkTriQuadraticHexahedron *New ();
  vtkTypeMacro(vtkTriQuadraticHexahedron,vtkNonLinearCell);
  void PrintSelf (ostream & os, vtkIndent indent) override;


  int GetCellType() override { return VTK_TRIQUADRATIC_HEXAHEDRON; }
  int GetCellDimension() override { return 3; }
  int GetNumberOfEdges() override { return 12; }
  int GetNumberOfFaces() override { return 6; }
  vtkCell *GetEdge (int) override;
  vtkCell *GetFace (int) 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,
    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 Triangulate (int index, vtkIdList * ptIds, vtkPoints * pts) 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 * tetras,
       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;

  static void InterpolationFunctions(const double pcoords[3], double weights[27]);
  static void InterpolationDerivs(const double pcoords[3], double derivs[81]);

  void InterpolateFunctions(const double pcoords[3], double weights[27]) override
  {
    vtkTriQuadraticHexahedron::InterpolationFunctions(pcoords,weights);
  }
  void InterpolateDerivs(const double pcoords[3], double derivs[81]) override
  {
    vtkTriQuadraticHexahedron::InterpolationDerivs(pcoords,derivs);
  }


  static int *GetEdgeArray(int edgeId);
  static int *GetFaceArray(int faceId);

  void JacobianInverse(const double pcoords[3], double **inverse, double derivs[81]);

protected:
  vtkTriQuadraticHexahedron ();
  ~vtkTriQuadraticHexahedron () override;

  vtkQuadraticEdge *Edge;
  vtkBiQuadraticQuad *Face;
  vtkHexahedron *Hex;
  vtkDoubleArray *Scalars;

private:
  vtkTriQuadraticHexahedron (const vtkTriQuadraticHexahedron &) = delete;
  void operator = (const vtkTriQuadraticHexahedron &) = delete;
};

#endif