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vtkQuadraticWedge.h
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vtkQuadraticWedge.h
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/*=========================================================================
Program: Visualization Toolkit
Module: vtkQuadraticWedge.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.
=========================================================================*/
/**
* @class vtkQuadraticWedge
* @brief cell represents a parabolic, 15-node isoparametric wedge
*
* vtkQuadraticWedge is a concrete implementation of vtkNonLinearCell to
* represent a three-dimensional, 15-node isoparametric parabolic
* wedge. The interpolation is the standard finite element, quadratic
* isoparametric shape function. The cell includes a mid-edge node. The
* ordering of the fifteen points defining the cell is point ids (0-5,6-14)
* where point ids 0-5 are the six corner vertices of the wedge, defined
* analogously to the six points in vtkWedge (points (0,1,2) form the base of
* the wedge which, using the right hand rule, forms a triangle whose normal
* points away from the triangular face (3,4,5)); followed by nine midedge
* nodes (6-14). Note that these midedge nodes correspond lie on the edges
* defined by (0,1), (1,2), (2,0), (3,4), (4,5), (5,3), (0,3), (1,4), (2,5).
*
* @sa
* vtkQuadraticEdge vtkQuadraticTriangle vtkQuadraticTetra
* vtkQuadraticHexahedron vtkQuadraticQuad vtkQuadraticPyramid
*/
#ifndef vtkQuadraticWedge_h
#define vtkQuadraticWedge_h
#include "vtkCommonDataModelModule.h" // For export macro
#include "vtkNonLinearCell.h"
class vtkQuadraticEdge;
class vtkQuadraticQuad;
class vtkQuadraticTriangle;
class vtkWedge;
class vtkDoubleArray;
class VTKCOMMONDATAMODEL_EXPORT vtkQuadraticWedge : public vtkNonLinearCell
{
public:
static vtkQuadraticWedge *New();
vtkTypeMacro(vtkQuadraticWedge,vtkNonLinearCell);
void PrintSelf(ostream& os, vtkIndent indent) override;
//@{
/**
* Implement the vtkCell API. See the vtkCell API for descriptions
* of these methods.
*/
int GetCellType() override {return VTK_QUADRATIC_WEDGE;}
int GetCellDimension() override {return 3;}
int GetNumberOfEdges() override {return 9;}
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 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;
/**
* Clip this quadratic hexahedron using scalar value provided. Like
* contouring, except that it cuts the hex to produce linear
* tetrahedron.
*/
void Clip(double value, vtkDataArray *cellScalars,
vtkIncrementalPointLocator *locator, vtkCellArray *tetras,
vtkPointData *inPd, vtkPointData *outPd,
vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd,
int insideOut) override;
/**
* Line-edge intersection. Intersection has to occur within [0,1] parametric
* coordinates and with specified tolerance.
*/
int IntersectWithLine(const double p1[3], const double p2[3], double tol, double& t,
double x[3], double pcoords[3], int& subId) override;
/**
* Return the center of the quadratic wedge in parametric coordinates.
*/
int GetParametricCenter(double pcoords[3]) override;
/**
* @deprecated Replaced by vtkQuadraticWedge::InterpolateFunctions as of VTK 5.2
*/
static void InterpolationFunctions(const double pcoords[3], double weights[15]);
/**
* @deprecated Replaced by vtkQuadraticWedge::InterpolateDerivs as of VTK 5.2
*/
static void InterpolationDerivs(const double pcoords[3], double derivs[45]);
//@{
/**
* Compute the interpolation functions/derivatives
* (aka shape functions/derivatives)
*/
void InterpolateFunctions(const double pcoords[3], double weights[15]) override
{
vtkQuadraticWedge::InterpolationFunctions(pcoords,weights);
}
void InterpolateDerivs(const double pcoords[3], double derivs[45]) override
{
vtkQuadraticWedge::InterpolationDerivs(pcoords,derivs);
}
//@}
//@{
/**
* Return the ids of the vertices defining edge/face (`edgeId`/`faceId').
* Ids are related to the cell, not to the dataset.
*/
static int *GetEdgeArray(int edgeId);
static int *GetFaceArray(int faceId);
//@}
/**
* Given parametric coordinates compute inverse Jacobian transformation
* matrix. Returns 9 elements of 3x3 inverse Jacobian plus interpolation
* function derivatives.
*/
void JacobianInverse(const double pcoords[3], double **inverse, double derivs[45]);
protected:
vtkQuadraticWedge();
~vtkQuadraticWedge() override;
vtkQuadraticEdge *Edge;
vtkQuadraticTriangle *TriangleFace;
vtkQuadraticQuad *Face;
vtkWedge *Wedge;
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);
private:
vtkQuadraticWedge(const vtkQuadraticWedge&) = delete;
void operator=(const vtkQuadraticWedge&) = delete;
};
//----------------------------------------------------------------------------
// Return the center of the quadratic wedge in parametric coordinates.
inline int vtkQuadraticWedge::GetParametricCenter(double pcoords[3])
{
pcoords[0] = pcoords[1] = 1./3;
pcoords[2] = 0.5;
return 0;
}
#endif