/usr/include/vtk-5.8/vtkQuadraticTriangle.h is in libvtk5-dev 5.8.0-5.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 | /*=========================================================================
Program: Visualization Toolkit
Module: vtkQuadraticTriangle.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.
=========================================================================*/
// .NAME vtkQuadraticTriangle - cell represents a parabolic, isoparametric triangle
// .SECTION Description
// vtkQuadraticTriangle is a concrete implementation of vtkNonLinearCell to
// represent a two-dimensional, 6-node, isoparametric parabolic triangle. The
// interpolation is the standard finite element, quadratic isoparametric
// shape function. The cell includes three mid-edge nodes besides the three
// triangle vertices. The ordering of the three points defining the cell is
// point ids (0-2,3-5) where id #3 is the midedge node between points
// (0,1); id #4 is the midedge node between points (1,2); and id #5 is the
// midedge node between points (2,0).
// .SECTION See Also
// vtkQuadraticEdge vtkQuadraticTetra vtkQuadraticPyramid
// vtkQuadraticQuad vtkQuadraticHexahedron vtkQuadraticWedge
#ifndef __vtkQuadraticTriangle_h
#define __vtkQuadraticTriangle_h
#include "vtkNonLinearCell.h"
class vtkQuadraticEdge;
class vtkTriangle;
class vtkDoubleArray;
class VTK_FILTERING_EXPORT vtkQuadraticTriangle : public vtkNonLinearCell
{
public:
static vtkQuadraticTriangle *New();
vtkTypeMacro(vtkQuadraticTriangle,vtkNonLinearCell);
void PrintSelf(ostream& os, vtkIndent indent);
// Description:
// Implement the vtkCell API. See the vtkCell API for descriptions
// of these methods.
int GetCellType() {return VTK_QUADRATIC_TRIANGLE;};
int GetCellDimension() {return 2;}
int GetNumberOfEdges() {return 3;}
int GetNumberOfFaces() {return 0;}
vtkCell *GetEdge(int edgeId);
vtkCell *GetFace(int) {return 0;}
int CellBoundary(int subId, double pcoords[3], vtkIdList *pts);
void Contour(double value, vtkDataArray *cellScalars,
vtkIncrementalPointLocator *locator, vtkCellArray *verts,
vtkCellArray *lines, vtkCellArray *polys,
vtkPointData *inPd, vtkPointData *outPd,
vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd);
int EvaluatePosition(double x[3], double* closestPoint,
int& subId, double pcoords[3],
double& dist2, double *weights);
void EvaluateLocation(int& subId, double pcoords[3], double x[3],
double *weights);
int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts);
void Derivatives(int subId, double pcoords[3], double *values,
int dim, double *derivs);
virtual double *GetParametricCoords();
// Description:
// Clip this quadratic triangle using scalar value provided. Like
// contouring, except that it cuts the triangle to produce linear
// triangles.
void Clip(double value, vtkDataArray *cellScalars,
vtkIncrementalPointLocator *locator, vtkCellArray *polys,
vtkPointData *inPd, vtkPointData *outPd,
vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd,
int insideOut);
// Description:
// Line-edge intersection. Intersection has to occur within [0,1] parametric
// coordinates and with specified tolerance.
int IntersectWithLine(double p1[3], double p2[3], double tol, double& t,
double x[3], double pcoords[3], int& subId);
// Description:
// Return the center of the quadratic triangle in parametric coordinates.
int GetParametricCenter(double pcoords[3]);
// Description:
// Return the distance of the parametric coordinate provided to the
// cell. If inside the cell, a distance of zero is returned.
double GetParametricDistance(double pcoords[3]);
// Description:
// @deprecated Replaced by vtkQuadraticTriangle::InterpolateFunctions as of VTK 5.2
static void InterpolationFunctions(double pcoords[3], double weights[6]);
// Description:
// @deprecated Replaced by vtkQuadraticTriangle::InterpolateDerivs as of VTK 5.2
static void InterpolationDerivs(double pcoords[3], double derivs[12]);
// Description:
// Compute the interpolation functions/derivatives
// (aka shape functions/derivatives)
virtual void InterpolateFunctions(double pcoords[3], double weights[6])
{
vtkQuadraticTriangle::InterpolationFunctions(pcoords,weights);
}
virtual void InterpolateDerivs(double pcoords[3], double derivs[12])
{
vtkQuadraticTriangle::InterpolationDerivs(pcoords,derivs);
}
protected:
vtkQuadraticTriangle();
~vtkQuadraticTriangle();
vtkQuadraticEdge *Edge;
vtkTriangle *Face;
vtkDoubleArray *Scalars; //used to avoid New/Delete in contouring/clipping
private:
vtkQuadraticTriangle(const vtkQuadraticTriangle&); // Not implemented.
void operator=(const vtkQuadraticTriangle&); // Not implemented.
};
//----------------------------------------------------------------------------
inline int vtkQuadraticTriangle::GetParametricCenter(double pcoords[3])
{
pcoords[0] = pcoords[1] = 1./3;
pcoords[2] = 0.0;
return 0;
}
#endif
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