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vtkPentagonalPrism.h
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vtkPentagonalPrism.h
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/*=========================================================================
Program: Visualization Toolkit
Module: vtkPentagonalPrism.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 vtkPentagonalPrism
* @brief a 3D cell that represents a convex prism with
* pentagonal base
*
* vtkPentagonalPrism is a concrete implementation of vtkCell to represent a
* linear convex 3D prism with pentagonal base. Such prism is defined by the
* ten points (0-9), where (0,1,2,3,4) is the base of the prism which, using
* the right hand rule, forms a pentagon whose normal points is in the direction
* of the opposite face (5,6,7,8,9).
*
* @par Thanks:
* Thanks to Philippe Guerville who developed this class.
* Thanks to Charles Pignerol (CEA-DAM, France) who ported this class under
* VTK 4. <br>
* Thanks to Jean Favre (CSCS, Switzerland) who contributed to integrate this
* class in VTK. <br>
* Please address all comments to Jean Favre (jfavre at cscs.ch).
*
* @par Thanks:
* The Interpolation functions and derivatives were changed in June
* 2015 by Bill Lorensen. These changes follow the formulation in:
* http://dilbert.engr.ucdavis.edu/~suku/nem/papers/polyelas.pdf
* NOTE: An additional copy of this paper is located at:
* http://www.vtk.org/Wiki/File:ApplicationOfPolygonalFiniteElementsInLinearElasticity.pdf
*/
#ifndef vtkPentagonalPrism_h
#define vtkPentagonalPrism_h
#include "vtkCommonDataModelModule.h" // For export macro
#include "vtkCell3D.h"
class vtkLine;
class vtkPolygon;
class vtkQuad;
class vtkTriangle;
class VTKCOMMONDATAMODEL_EXPORT vtkPentagonalPrism : public vtkCell3D
{
public:
static vtkPentagonalPrism *New();
vtkTypeMacro(vtkPentagonalPrism,vtkCell3D);
void PrintSelf(ostream& os, vtkIndent indent) override;
//@{
/**
* See vtkCell3D API for description of these methods.
*/
void GetEdgePoints(int edgeId, int* &pts) override;
void GetFacePoints(int faceId, int* &pts) override;
//@}
//@{
/**
* See the vtkCell3D API for descriptions of these methods.
*/
int GetCellType() override {return VTK_PENTAGONAL_PRISM;};
int GetCellDimension() override {return 3;};
int GetNumberOfEdges() override {return 15;};
int GetNumberOfFaces() override {return 7;};
vtkCell *GetEdge(int edgeId) override;
vtkCell *GetFace(int faceId) override;
int CellBoundary(int subId, const double pcoords[3], vtkIdList *pts) 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 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;
/**
* Return the center of the wedge in parametric coordinates.
*/
int GetParametricCenter(double pcoords[3]) override;
/**
* @deprecated Replaced by vtkPentagonalPrism::InterpolateFunctions as of VTK 5.2
*/
static void InterpolationFunctions(const double pcoords[3], double weights[10]);
/**
* @deprecated Replaced by vtkPentagonalPrism::InterpolateDerivs as of VTK 5.2
*/
static void InterpolationDerivs(const double pcoords[3], double derivs[30]);
//@{
/**
* Compute the interpolation functions/derivatives
* (aka shape functions/derivatives)
*/
void InterpolateFunctions(const double pcoords[3], double weights[10]) override
{
vtkPentagonalPrism::InterpolationFunctions(pcoords, weights);
}
void InterpolateDerivs(const double pcoords[3], double derivs[30]) override
{
vtkPentagonalPrism::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[30]);
protected:
vtkPentagonalPrism();
~vtkPentagonalPrism() override;
vtkLine *Line;
vtkQuad *Quad;
vtkPolygon *Polygon;
vtkTriangle *Triangle;
private:
vtkPentagonalPrism(const vtkPentagonalPrism&) = delete;
void operator=(const vtkPentagonalPrism&) = delete;
};
//----------------------------------------------------------------------------
inline int vtkPentagonalPrism::GetParametricCenter(double pcoords[3])
{
pcoords[0] = pcoords[1] = 0.5;
pcoords[2] = 0.5;
return 0;
}
#endif